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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.236 by root, Thu Apr 12 14:18:05 2007 UTC vs.
Revision 1.410 by root, Tue Jan 15 12:02:24 2008 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
9	use Event;	9	use EV 1.86;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.52 ();	15	use Coro 4.32 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::EV;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
21		26
		27	use JSON::XS 2.01 ();
22	use BDB ();	28	use BDB ();
23	use Data::Dumper;	29	use Data::Dumper;
24	use Digest::MD5;	30	use Digest::MD5;
25	use Fcntl;	31	use Fcntl;
26	use YAML::Syck ();	32	use YAML ();
27	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
28	use Time::HiRes;	34	use Time::HiRes;
29	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
30		37
31	# configure various modules to our taste	38	# configure various modules to our taste
32	#	39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
33	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
34	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
35		43
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$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
42		45
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		47
45	our %COMMAND = ();	48	our %COMMAND = ();
46	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
47		50
48	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
52		56
53	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
54	our @EVENT;	58	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		59
57	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(!)
58	our $TICK_WATCHER;	74	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	77	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		79
65	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	84	our $DB_ENV;
67		85
68	our %CFG;	86	our %CFG;
69		87
70	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
72		91
73	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		95
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $tick_start; # for load detecting purposes
		102
85	binmode STDOUT;	103	binmode STDOUT;
86	binmode STDERR;	104	binmode STDERR;
87		105
88	# read virtual server time, if available	106	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
93	}	111	}
94		112
95	mkdir cf::localdir;	113	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		115
102	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
103		117
104	sub cf::map::normalise;	118	sub cf::map::normalise;
105		119
…		…
116	=item $cf::RUNTIME	130	=item $cf::RUNTIME
117		131
118	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
119	every server tick.	133	every server tick.
120		134
121	=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
122		138
123	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		143
126	=item $cf::NOW	144	=item $cf::NOW
127		145
128	The time of the last (current) server tick.	146	The time of the last (current) server tick.
129		147
130	=item $cf::TICK	148	=item $cf::TICK
131		149
132	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	162	=item %cf::CFG
135		163
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	165	from wherever your confdir points to.
138		166
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		168
141	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
142	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
143	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.
144	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.
145		178
146	=back	179	=back
147		180
148	=cut	181	=cut
149		182
150	BEGIN {	183	BEGIN {
151	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	185	my $msg = join "", @_;
153	utf8::encode $msg;
154		186
155	$msg .= "\n"	187	$msg .= "\n"
156	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
157		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
158	LOG llevError, $msg;	192	LOG llevError, $msg;
159	};	193	};
160	}	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#?
161		210
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		218
169	# 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
170	# within the Safe compartment.	220	# within the Safe compartment.
171	for my $pkg (qw(	221	for my $pkg (qw(
172	cf::global cf::attachable	222	cf::global cf::attachable
…		…
177	)) {	227	)) {
178	no strict 'refs';	228	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	230	}
181		231
182	$Event::DIED = sub {	232	$EV::DIED = sub {
183	warn "error in event callback: @_";	233	warn "error in event callback: @_";
184	};	234	};
		235
		236	#############################################################################
185		237
186	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
187		239
188	=over 4	240	=over 4
189		241
…		…
208	$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;
209	$d	261	$d
210	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
211	}	263	}
212		264
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
216		266
217	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
218		268
219	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
220		270
221	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]) }
222		279
223	=item cf::lock_wait $string	280	=item cf::lock_wait $string
224		281
225	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
226		283
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	288	for example when the coroutine gets canceled), the lock is automatically
232	returned.	289	returned.
233		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
234	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
235	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
236		296
		297	=item $locked = cf::lock_active $string
		298
		299	Return true if the lock is currently active, i.e. somebody has locked it.
		300
237	=cut	301	=cut
238		302
239	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
240		305
241	sub lock_wait($) {	306	sub lock_wait($) {
242	my ($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#
243		313
244	# wait for lock, if any	314	# wait for lock, if any
245	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	317	Coro::schedule;
…		…
253		323
254	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
255	lock_wait $key;	325	lock_wait $key;
256		326
257	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
258		329
259	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
262	}	334	}
		335	}
		336
		337	sub lock_active($) {
		338	my ($key) = @_;
		339
		340	! ! $LOCK{$key}
263	}	341	}
264		342
265	sub freeze_mainloop {	343	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	344	return unless $TICK_WATCHER->is_active;
267		345
…		…
270	};	348	};
271	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
272	$guard	350	$guard
273	}	351	}
274		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	$sig->wait;
		424	}
		425
275	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
276		427
277	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	429	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279	thing you are allowed to do is call C<prio> on it.	430	thing you are allowed to do is call C<prio> on it.
…		…
282		433
283	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
284		435
285	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
286		437
287	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
290		442
291	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
294	fast or be very important.	446	fast or be very important.
…		…
297		449
298	sub sync_job(&) {	450	sub sync_job(&) {
299	my ($job) = @_;	451	my ($job) = @_;
300		452
301	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
		454	my $time = EV::time;
		455
302	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
304		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
305	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	462	# (but this is cancel-safe)
307	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
308		464
309	my $busy = 1;	465	my $busy = 1;
310	my @res;	466	my @res;
311		467
312	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	470	@res = eval { $job->() };
314	warn $@ if $@;	471	warn $@ if $@;
315	undef $busy;	472	undef $busy;
316	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
317		474
318	while ($busy) {	475	while ($busy) {
319	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
320	}	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
321		489
322	wantarray ? @res : $res[0]	490	wantarray ? @res : $res[0]
323	} else {	491	} else {
324	# we are in another coroutine, how wonderful, everything just works	492	# we are in another coroutine, how wonderful, everything just works
325		493
…		…
345	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
346		514
347	$coro	515	$coro
348	}	516	}
349		517
350	sub write_runtime {	518	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		519
353	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.
354		524
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	525	=cut
356	or return;
357		526
358	my $value = $cf::RUNTIME + 90 + 10;	527	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	528	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		529
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	530	# we seemingly have to make a local copy of the whole thing,
363	and return;	531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
364		533
365	# always fsync - this file is important	534	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	535	reset_signals;
367	and return;	536	&$cb
		537	}, @args;
368		538
369	close $fh	539	wantarray ? @res : $res[-1]
370	or return;	540	}
371		541
372	aio_rename "$runtime~", $runtime	542	=item $value = cf::db_get $family => $key
373	and return;
374		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($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
375	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		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"
376	}	667	}
377		668
378	=item cf::datalog type => key => value, ...	669	=item cf::datalog type => key => value, ...
379		670
380	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.
…		…
398	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")
399	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
400		691
401	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>
402	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
403	crossfire+).	694	Deliantra).
404		695
405	=over 4	696	=over 4
406		697
407	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
408		699
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	862	$registry = $CB_TYPE[$object_type] ||= [];
572		863
573	} elsif ($type eq "subtype") {	864	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	865	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	866	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	867	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		868
578	} elsif ($type eq "package") {	869	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	870	my $pkg = shift @arg;
580		871
581	while (my ($name, $id) = each %cb_id) {	872	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
611	}	902	}
612		903
613	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
614	} else {	905	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	907	}
617		908
618	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
619	}	910	}
620		911
…		…
622	if (ref $_[0]) {	913	if (ref $_[0]) {
623	_object_attach @_;	914	_object_attach @_;
624	} else {	915	} else {
625	_attach shift->_attach_registry, @_;	916	_attach shift->_attach_registry, @_;
626	}	917	}
		918	_recalc_want;
627	};	919	};
628		920
629	# all those should be optimised	921	# all those should be optimised
630	sub cf::attachable::detach {	922	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	926	delete $obj->{_attachment}{$name};
635	reattach ($obj);	927	reattach ($obj);
636	} else {	928	} else {
637	Carp::croak "cannot, currently, detach class attachments";	929	Carp::croak "cannot, currently, detach class attachments";
638	}	930	}
		931	_recalc_want;
639	};	932	};
640		933
641	sub cf::attachable::attached {	934	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
643		936
…		…
658	";	951	";
659	die if $@;	952	die if $@;
660	}	953	}
661		954
662	our $override;	955	our $override;
663	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?
664		957
665	sub override {	958	sub override {
666	$override = 1;	959	$override = 1;
667	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
668	}	961	}
669		962
670	sub do_invoke {	963	sub do_invoke {
671	my $event = shift;	964	my $event = shift;
672	my $callbacks = shift;	965	my $callbacks = shift;
673		966
674	@invoke_results = ();	967	@INVOKE_RESULTS = ();
675		968
676	local $override;	969	local $override;
677		970
678	for (@$callbacks) {	971	for (@$callbacks) {
679	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
688	}	981	}
689		982
690	0	983	0
691	}	984	}
692		985
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		987
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		989
697	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
698		991
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		995
703	=back	996	=back
704		997
705	=cut	998	=cut
706		999
707	#############################################################################	1000	#############################################################################
708	# 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, $ob2
		1043	}
709		1044
710	sub reattach {	1045	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1047	my ($obj) = @_;
713		1048
…		…
734	cf::attachable->attach (	1069	cf::attachable->attach (
735	prio => -1000000,	1070	prio => -1000000,
736	on_instantiate => sub {	1071	on_instantiate => sub {
737	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
738		1073
739	$data = from_json $data;	1074	$data = decode_json $data;
740		1075
741	for (@$data) {	1076	for (@$data) {
742	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
743		1078
744	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1095	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
762		1097
763	sync_job {	1098	sync_job {
764	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
767		1103
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1107	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1108	close $fh;
773		1109
774	if (@$objs) {	1110	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1115	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1116	close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
782	}	1118	}
…		…
790	}	1126	}
791	} else {	1127	} else {
792	aio_unlink $filename;	1128	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
794	}	1130	}
795	}	1131	};
796	}	1132	}
797		1133
798	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
800		1136
…		…
812	or return;	1148	or return;
813		1149
814	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
816	or return;	1152	or return;
		1153
817	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
818	}	1156	}
819		1157
		1158	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
822	return ($data, $av);	1162	($data, $av)
823	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
824		1170
825	#############################################################################	1171	#############################################################################
826	# command handling &c	1172	# command handling &c
827		1173
828	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1188	}
843		1189
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1191
846	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.
847		1197
848	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
849	called.	1199	called.
850		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
851	=cut	1212	=cut
852		1213
853	sub register_extcmd {	1214	sub register_extcmd {
854	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
855		1216
856	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
857	}	1224	}
858		1225
859	cf::player->attach (	1226	cf::player->attach (
860	on_command => sub {	1227	on_command => sub {
861	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1237	cf::override;
871	},	1238	},
872	on_extcmd => sub {	1239	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
874		1241
875	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1243
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
883	} else {	1259	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1261	}
886		1262
887	cf::override;	1263	cf::override;
888	},	1264	},
889	);	1265	);
890		1266
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
926	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1272	next unless -r $path;
928	eval {	1273
929	load_extension $ext;	1274	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1275	my $base = $1;
		1276	my $pkg = $1;
		1277	$pkg =~ s/[^[:word:]]/_/g;
		1278	$pkg = "ext::$pkg";
		1279
		1280	open my $fh, "<:utf8", $path
		1281	or die "$path: $!";
		1282
		1283	my $source = do { local $/; <$fh> };
		1284
		1285	my %ext = (
		1286	path => $path,
		1287	base => $base,
		1288	pkg => $pkg,
		1289	);
		1290
		1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1293
		1294	$ext{source} =
		1295	"package $pkg; use strict; use utf8;\n"
		1296	. "#line 1 \"$path\"\n{\n"
		1297	. $source
		1298	. "\n};\n1";
		1299
		1300	$todo{$base} = \%ext;
		1301	}
		1302
		1303	my %done;
		1304	while (%todo) {
		1305	my $progress;
		1306
		1307	while (my ($k, $v) = each %todo) {
		1308	for (split /,\s*/, $v->{meta}{depends}) {
		1309	goto skip
		1310	unless exists $done{$_};
		1311	}
		1312
		1313	warn "... loading '$k' into '$v->{pkg}'\n";
		1314
		1315	unless (eval $v->{source}) {
		1316	my $msg = $@ ? "$v->{path}: $@\n"
		1317	: "$v->{base}: extension inactive.\n";
		1318
		1319	if (exists $v->{meta}{mandatory}) {
		1320	warn $msg;
		1321	warn "mandatory extension failed to load, exiting.\n";
		1322	exit 1;
		1323	}
		1324
		1325	warn $msg;
		1326	}
		1327
		1328	$done{$k} = delete $todo{$k};
		1329	push @EXTS, $v->{pkg};
		1330	$progress = 1;
930	1	1331	}
931	} or warn "$ext not loaded: $@";	1332
		1333	skip:
		1334	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1335	unless $progress;
		1336	}
932	}	1337	};
933	}	1338	}
934		1339
935	#############################################################################	1340	#############################################################################
936		1341
		1342	=back
		1343
937	=head2 CORE EXTENSIONS	1344	=head2 CORE EXTENSIONS
938		1345
939	Functions and methods that extend core crossfire objects.	1346	Functions and methods that extend core crossfire objects.
940		1347
941	=cut	1348	=cut
…		…
946		1353
947	=head3 cf::player	1354	=head3 cf::player
948		1355
949	=over 4	1356	=over 4
950		1357
		1358	=item cf::player::num_playing
		1359
		1360	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1361
		1362	=cut
		1363
		1364	sub num_playing {
		1365	scalar grep
		1366	$_->ob->map
		1367	&& !$_->hidden
		1368	&& !$_->ob->flag (cf::FLAG_WIZ),
		1369	cf::player::list
		1370	}
		1371
951	=item cf::player::find $login	1372	=item cf::player::find $login
952		1373
953	Returns the given player object, loading it if necessary (might block).	1374	Returns the given player object, loading it if necessary (might block).
954		1375
955	=cut	1376	=cut
956		1377
957	sub playerdir($) {	1378	sub playerdir($) {
958	cf::localdir	1379	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1380	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1381	}
964		1382
965	sub path($) {	1383	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1384	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1411	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1412	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1413	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1414	aio_unlink +(playerdir $login) . "/$login.pl";
997		1415
998	my $pl = load_pl path $login	1416	my $f = new_from_file cf::object::thawer path $login
999	or return;	1417	or return;
		1418
		1419	my $pl = cf::player::load_pl $f
		1420	or return;
		1421	local $cf::PLAYER_LOADING{$login} = $pl;
		1422	$f->resolve_delayed_derefs;
1000	$cf::PLAYER{$login} = $pl	1423	$cf::PLAYER{$login} = $pl
1001	}	1424	}
1002	}	1425	}
1003	}	1426	}
1004		1427
…		…
1014		1437
1015	aio_mkdir playerdir $pl, 0770;	1438	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1439	$pl->{last_save} = $cf::RUNTIME;
1017		1440
1018	$pl->save_pl ($path);	1441	$pl->save_pl ($path);
1019	Coro::cede;	1442	cf::cede_to_tick;
1020	}	1443	}
1021		1444
1022	sub new($) {	1445	sub new($) {
1023	my ($login) = @_;	1446	my ($login) = @_;
1024		1447
…		…
1028	$self->{deny_save} = 1;	1451	$self->{deny_save} = 1;
1029		1452
1030	$cf::PLAYER{$login} = $self;	1453	$cf::PLAYER{$login} = $self;
1031		1454
1032	$self	1455	$self
		1456	}
		1457
		1458	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1459
		1460	=cut
		1461
		1462	sub send_msg {
		1463	my $ns = shift->ns
		1464	or return;
		1465	$ns->send_msg (@_);
1033	}	1466	}
1034		1467
1035	=item $pl->quit_character	1468	=item $pl->quit_character
1036		1469
1037	Nukes the player without looking back. If logged in, the connection will	1470	Nukes the player without looking back. If logged in, the connection will
…		…
1086	while and may block, so not sync_job-capable, ever.	1519	while and may block, so not sync_job-capable, ever.
1087		1520
1088	=cut	1521	=cut
1089		1522
1090	sub list_logins {	1523	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1524	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1525	or return [];
1093		1526
1094	my @logins;	1527	my @logins;
1095		1528
1096	for my $login (@$dirs) {	1529	for my $login (@$dirs) {
		1530	my $path = path $login;
		1531
		1532	# a .pst is a dead give-away for a valid player
		1533	unless (-e "$path.pst") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1534	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1535	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1536	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1537	}
1100		1538
1101	utf8::decode $login;	1539	utf8::decode $login;
1102	push @logins, $login;	1540	push @logins, $login;
1103	}	1541	}
1104		1542
…		…
1131	}	1569	}
1132		1570
1133	\@paths	1571	\@paths
1134	}	1572	}
1135		1573
		1574	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1575
		1576	Expand crossfire pod fragments into protocol xml.
		1577
		1578	=cut
		1579
		1580	use re 'eval';
		1581
		1582	my $group;
		1583	my $interior; $interior = qr{
		1584	# match a pod interior sequence sans C<< >>
		1585	(?:
		1586	\ (.*?)\ (?{ $group = $^N })
		1587	| < (??{$interior}) >
		1588	)
		1589	}x;
		1590
		1591	sub expand_cfpod {
		1592	my ($self, $pod) = @_;
		1593
		1594	my $xml;
		1595
		1596	while () {
		1597	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1598	$group = $1;
		1599
		1600	$group =~ s/&/&amp;/g;
		1601	$group =~ s/</&lt;/g;
		1602
		1603	$xml .= $group;
		1604	} elsif ($pod =~ m%\G
		1605	([BCGHITU])
		1606	<
		1607	(?:
		1608	([^<>]*) (?{ $group = $^N })
		1609	| < $interior >
		1610	)
		1611	>
		1612	%gcsx
		1613	) {
		1614	my ($code, $data) = ($1, $group);
		1615
		1616	if ($code eq "B") {
		1617	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1618	} elsif ($code eq "I") {
		1619	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1620	} elsif ($code eq "U") {
		1621	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1622	} elsif ($code eq "C") {
		1623	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1624	} elsif ($code eq "T") {
		1625	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1626	} elsif ($code eq "G") {
		1627	my ($male, $female) = split /\|/, $data;
		1628	$data = $self->gender ? $female : $male;
		1629	$xml .= expand_cfpod ($self, $data);
		1630	} elsif ($code eq "H") {
		1631	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1632	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1633	"")
		1634	[$self->{hintmode}];
		1635	} else {
		1636	$xml .= "error processing '$code($data)' directive";
		1637	}
		1638	} else {
		1639	if ($pod =~ /\G(.+)/) {
		1640	warn "parse error while expanding $pod (at $1)";
		1641	}
		1642	last;
		1643	}
		1644	}
		1645
		1646	for ($xml) {
		1647	# create single paragraphs (very hackish)
		1648	s/(?<=\S)\n(?=\w)/ /g;
		1649
		1650	# compress some whitespace
		1651	s/\s+\n/\n/g; # ws line-ends
		1652	s/\n\n+/\n/g; # double lines
		1653	s/^\n+//; # beginning lines
		1654	s/\n+$//; # ending lines
		1655	}
		1656
		1657	$xml
		1658	}
		1659
		1660	no re 'eval';
		1661
		1662	sub hintmode {
		1663	$_[0]{hintmode} = $_[1] if @_ > 1;
		1664	$_[0]{hintmode}
		1665	}
		1666
1136	=item $player->ext_reply ($msgid, %msg)	1667	=item $player->ext_reply ($msgid, @msg)
1137		1668
1138	Sends an ext reply to the player.	1669	Sends an ext reply to the player.
1139		1670
1140	=cut	1671	=cut
1141		1672
1142	sub ext_reply($$%) {	1673	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1674	my ($self, $id, @msg) = @_;
1144		1675
1145	$msg{msgid} = $id;	1676	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1677	}
1149		1678
1150	=item $player->ext_event ($type, %msg)	1679	=item $player->ext_msg ($type, @msg)
1151		1680
1152	Sends an ext event to the client.	1681	Sends an ext event to the client.
1153		1682
1154	=cut	1683	=cut
1155		1684
1156	sub ext_event($$%) {	1685	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1686	my ($self, $type, @msg) = @_;
1158		1687
1159	$self->ns->ext_event ($type, %msg);	1688	$self->ns->ext_msg ($type, @msg);
1160	}	1689	}
1161		1690
1162	package cf;	1691	=head3 cf::region
		1692
		1693	=over 4
		1694
		1695	=cut
		1696
		1697	package cf::region;
		1698
		1699	=item cf::region::find_by_path $path
		1700
		1701	Tries to decuce the likely region for a map knowing only its path.
		1702
		1703	=cut
		1704
		1705	sub find_by_path($) {
		1706	my ($path) = @_;
		1707
		1708	my ($match, $specificity);
		1709
		1710	for my $region (list) {
		1711	if ($region->{match} && $path =~ $region->{match}) {
		1712	($match, $specificity) = ($region, $region->specificity)
		1713	if $region->specificity > $specificity;
		1714	}
		1715	}
		1716
		1717	$match
		1718	}
1163		1719
1164	=back	1720	=back
1165
1166		1721
1167	=head3 cf::map	1722	=head3 cf::map
1168		1723
1169	=over 4	1724	=over 4
1170		1725
…		…
1225	my ($self, $merge) = @_;	1780	my ($self, $merge) = @_;
1226		1781
1227	# we have to keep some variables in memory intact	1782	# we have to keep some variables in memory intact
1228	local $self->{path};	1783	local $self->{path};
1229	local $self->{load_path};	1784	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1785
1233	$self->SUPER::thawer_merge ($merge);	1786	$self->SUPER::thawer_merge ($merge);
1234	}	1787	}
1235		1788
1236	sub normalise {	1789	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1836	$self->init; # pass $1 etc.
1284	return $self;	1837	return $self;
1285	}	1838	}
1286	}	1839	}
1287		1840
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1841	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1842	()
1290	}	1843	}
1291		1844
1292	sub init {	1845	sub init {
1293	my ($self) = @_;	1846	my ($self) = @_;
…		…
1308		1861
1309	# the original (read-only) location	1862	# the original (read-only) location
1310	sub load_path {	1863	sub load_path {
1311	my ($self) = @_;	1864	my ($self) = @_;
1312		1865
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1866	"$MAPDIR/$self->{path}.map"
1314	}	1867	}
1315		1868
1316	# the temporary/swap location	1869	# the temporary/swap location
1317	sub save_path {	1870	sub save_path {
1318	my ($self) = @_;	1871	my ($self) = @_;
1319		1872
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1874	"$TMPDIR/$path.map"
1322	}	1875	}
1323		1876
1324	# the unique path, undef == no special unique path	1877	# the unique path, undef == no special unique path
1325	sub uniq_path {	1878	sub uniq_path {
1326	my ($self) = @_;	1879	my ($self) = @_;
1327		1880
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1882	"$UNIQUEDIR/$path"
1330	}	1883	}
1331		1884
1332	# and all this just because we cannot iterate over	1885	# and all this just because we cannot iterate over
1333	# all maps in C++...	1886	# all maps in C++...
1334	sub change_all_map_light {	1887	sub change_all_map_light {
…		…
1336		1889
1337	$_->change_map_light ($change)	1890	$_->change_map_light ($change)
1338	for grep $_->outdoor, values %cf::MAP;	1891	for grep $_->outdoor, values %cf::MAP;
1339	}	1892	}
1340		1893
		1894	sub decay_objects {
		1895	my ($self) = @_;
		1896
		1897	return if $self->{deny_reset};
		1898
		1899	$self->do_decay_objects;
		1900	}
		1901
1341	sub unlink_save {	1902	sub unlink_save {
1342	my ($self) = @_;	1903	my ($self) = @_;
1343		1904
1344	utf8::encode (my $save = $self->save_path);	1905	utf8::encode (my $save = $self->save_path);
1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1906	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1348		1909
1349	sub load_header_from($) {	1910	sub load_header_from($) {
1350	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1351		1912
1352	utf8::encode $path;	1913	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	or return;	1915	or return;
		1916
		1917	$self->_load_header ($f)
		1918	or return;
		1919
		1920	local $MAP_LOADING{$self->{path}} = $self;
		1921	$f->resolve_delayed_derefs;
1358		1922
1359	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1360		1924
1361	1	1925	1
1362	}	1926	}
…		…
1401	$self->load_header_orig	1965	$self->load_header_orig
1402	or return;	1966	or return;
1403	$self->prepare_orig;	1967	$self->prepare_orig;
1404	}	1968	}
1405		1969
		1970	$self->{deny_reset} = 1
		1971	if $self->no_reset;
		1972
		1973	$self->default_region (cf::region::find_by_path $self->{path})
		1974	unless $self->default_region;
		1975
1406	1	1976	1
1407	}	1977	}
1408		1978
1409	sub find;	1979	sub find;
1410	sub find {	1980	sub find {
1411	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1412		1982
1413	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1414		1984
		1985	cf::lock_wait "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	1986	cf::lock_wait "map_find:$path";
1416		1987
1417	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1418	my $guard = cf::lock_acquire "map_find:$path";	1989	my $guard1 = cf::lock_acquire "map_find:$path";
		1990	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1991
1419	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
1420	or return;	1993	or return;
1421		1994
1422	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1423		1996
1424	$map->load_header	1997	$map->load_header
1425	or return;	1998	or return;
1426		1999
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	2001	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard1;
		2004	undef $guard2;
1430	$map->reset;	2005	$map->reset;
1431	undef $guard;
1432	return find $path;	2006	return find $path;
1433	}	2007	}
1434		2008
1435	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
1436	}	2010	}
…		…
1443	my ($self) = @_;	2017	my ($self) = @_;
1444		2018
1445	local $self->{deny_reset} = 1; # loading can take a long time	2019	local $self->{deny_reset} = 1; # loading can take a long time
1446		2020
1447	my $path = $self->{path};	2021	my $path = $self->{path};
		2022
		2023	{
1448	my $guard = cf::lock_acquire "map_load:$path";	2024	my $guard = cf::lock_acquire "map_data:$path";
1449		2025
		2026	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	2027	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		2028
1452	$self->in_memory (cf::MAP_LOADING);	2029	$self->in_memory (cf::MAP_LOADING);
1453		2030
1454	$self->alloc;	2031	$self->alloc;
1455		2032
1456	$self->pre_load;	2033	$self->pre_load;
		2034	cf::cede_to_tick;
1457		2035
1458	$self->_load_objects ($self->{load_path}, 1)	2036	my $f = new_from_file cf::object::thawer $self->{load_path};
		2037	$f->skip_block;
		2038	$self->_load_objects ($f)
1459	or return;	2039	or return;
1460		2040
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1462	if delete $self->{load_original};	2042	if delete $self->{load_original};
1463		2043
1464	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2045	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2046	unless (aio_stat $uniq) {
		2047	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2048	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2049	$self->_load_objects ($f);
		2050	$f->resolve_delayed_derefs;
		2051	}
1469	}	2052	}
1470	}	2053	}
1471		2054
1472	Coro::cede;	2055	$f->resolve_delayed_derefs;
1473		2056
		2057	cf::cede_to_tick;
1474	# now do the right thing for maps	2058	# now do the right thing for maps
1475	$self->link_multipart_objects;	2059	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2060	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2061	unless $self->difficulty;
1485	Coro::cede;	2062	cf::cede_to_tick;
		2063
		2064	unless ($self->{deny_activate}) {
		2065	$self->decay_objects;
		2066	$self->fix_auto_apply;
		2067	$self->update_buttons;
		2068	cf::cede_to_tick;
		2069	$self->set_darkness_map;
		2070	cf::cede_to_tick;
1486	$self->activate;	2071	$self->activate;
		2072	}
		2073
		2074	$self->{last_save} = $cf::RUNTIME;
		2075	$self->last_access ($cf::RUNTIME);
		2076
		2077	$self->in_memory (cf::MAP_IN_MEMORY);
1487	}	2078	}
1488		2079
1489	$self->post_load;	2080	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	2081	}
1493		2082
1494	sub customise_for {	2083	sub customise_for {
1495	my ($self, $ob) = @_;	2084	my ($self, $ob) = @_;
1496		2085
1497	return find "~" . $ob->name . "/" . $self->{path}	2086	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2087	if $self->per_player;
1499		2088
		2089	# return find "?party/" . $ob->name . "/" . $self->{path}
		2090	# if $self->per_party;
		2091
1500	$self	2092	$self
1501	}	2093	}
1502		2094
1503	# find and load all maps in the 3x3 area around a map	2095	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	2096	sub load_neighbours {
1505	my ($map) = @_;	2097	my ($map) = @_;
1506		2098
1507	my @diag; # diagonal neighbours	2099	my @neigh; # diagonal neighbours
1508		2100
1509	for (0 .. 3) {	2101	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2102	my $neigh = $map->tile_path ($_)
1511	or next;	2103	or next;
1512	$neigh = find $neigh, $map	2104	$neigh = find $neigh, $map
1513	or next;	2105	or next;
1514	$neigh->load;	2106	$neigh->load;
1515		2107
		2108	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2111	}
1519		2112
1520	for (@diag) {	2113	for (grep defined $_->[0], @neigh) {
		2114	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2115	my $neigh = find $path, $origin
1522	or next;	2116	or next;
1523	$neigh->load;	2117	$neigh->load;
1524	}	2118	}
1525	}	2119	}
1526		2120
…		…
1531	}	2125	}
1532		2126
1533	sub do_load_sync {	2127	sub do_load_sync {
1534	my ($map) = @_;	2128	my ($map) = @_;
1535		2129
		2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2131	if $Coro::current == $Coro::main;
		2132
1536	cf::sync_job { $map->load };	2133	cf::sync_job { $map->load };
1537	}	2134	}
1538		2135
1539	our %MAP_PREFETCH;	2136	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2137	our $MAP_PREFETCHER = undef;
1541		2138
1542	sub find_async {	2139	sub find_async {
1543	my ($path, $origin) = @_;	2140	my ($path, $origin, $load) = @_;
1544		2141
1545	$path = normalise $path, $origin && $origin->{path};	2142	$path = normalise $path, $origin && $origin->{path};
1546		2143
1547	if (my $map = $cf::MAP{$path}) {	2144	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2145	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1549	}	2146	}
1550		2147
1551	undef $MAP_PREFETCH{$path};	2148	$MAP_PREFETCH{$path} |= $load;
		2149
1552	$MAP_PREFETCHER ||= cf::async {	2150	$MAP_PREFETCHER ||= cf::async {
		2151	$Coro::current->{desc} = "map prefetcher";
		2152
1553	while (%MAP_PREFETCH) {	2153	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2154	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2155	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2156	$map->load if $v;
		2157	}
1558		2158
1559	delete $MAP_PREFETCH{$path};	2159	delete $MAP_PREFETCH{$k};
1560	}	2160	}
1561	}	2161	}
1562	undef $MAP_PREFETCHER;	2162	undef $MAP_PREFETCHER;
1563	};	2163	};
1564	$MAP_PREFETCHER->prio (6);	2164	$MAP_PREFETCHER->prio (6);
…		…
1567	}	2167	}
1568		2168
1569	sub save {	2169	sub save {
1570	my ($self) = @_;	2170	my ($self) = @_;
1571		2171
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2173
1574	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1575		2175
1576	return unless $self->dirty;	2176	return unless $self->dirty;
1577		2177
…		…
1583	return if $self->{deny_save};	2183	return if $self->{deny_save};
1584		2184
1585	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
1586		2186
1587	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
1589	};	2190	};
1590		2191
1591	if ($uniq) {	2192	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1600	my ($self) = @_;	2201	my ($self) = @_;
1601		2202
1602	# save first because save cedes	2203	# save first because save cedes
1603	$self->save;	2204	$self->save;
1604		2205
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2207
1607	return if $self->players;	2208	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_IN_MEMORY;
1609	return if $self->{deny_save};	2210	return if $self->{deny_save};
1610		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	$self->deactivate;
		2215	$_->clear_links_to ($self) for values %cf::MAP;
1611	$self->clear;	2216	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2217	}
1614		2218
1615	sub reset_at {	2219	sub reset_at {
1616	my ($self) = @_;	2220	my ($self) = @_;
1617		2221
1618	# TODO: safety, remove and allow resettable per-player maps	2222	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2223	return 1e99 if $self->{deny_reset};
1621		2224
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2225	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2226	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2227
…		…
1635	my ($self) = @_;	2238	my ($self) = @_;
1636		2239
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2241
1639	return if $self->players;	2242	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2243
1642	warn "resetting map ", $self->path;#d#	2244	warn "resetting map ", $self->path;
1643		2245
1644	$self->in_memory (cf::MAP_SWAPPED);	2246	$self->in_memory (cf::MAP_SWAPPED);
1645		2247
1646	# need to save uniques path	2248	# need to save uniques path
1647	unless ($self->{deny_save}) {	2249	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2253	if $uniq;
1652	}	2254	}
1653		2255
1654	delete $cf::MAP{$self->path};	2256	delete $cf::MAP{$self->path};
1655		2257
		2258	$self->deactivate;
		2259	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2260	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2261
1660	$self->unlink_save;	2262	$self->unlink_save;
1661	$self->destroy;	2263	$self->destroy;
1662	}	2264	}
1663		2265
1664	my $nuke_counter = "aaaa";	2266	my $nuke_counter = "aaaa";
1665		2267
1666	sub nuke {	2268	sub nuke {
1667	my ($self) = @_;	2269	my ($self) = @_;
1668		2270
		2271	{
		2272	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2273
1669	delete $cf::MAP{$self->path};	2274	delete $cf::MAP{$self->path};
1670		2275
1671	$self->unlink_save;	2276	$self->unlink_save;
1672		2277
1673	bless $self, "cf::map";	2278	bless $self, "cf::map";
1674	delete $self->{deny_reset};	2279	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2280	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2281	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2283
1679	$cf::MAP{$self->path} = $self;	2284	$cf::MAP{$self->path} = $self;
		2285	}
1680		2286
1681	$self->reset; # polite request, might not happen	2287	$self->reset; # polite request, might not happen
		2288	}
		2289
		2290	=item $maps = cf::map::tmp_maps
		2291
		2292	Returns an arrayref with all map paths of currently instantiated and saved
		2293	maps. May block.
		2294
		2295	=cut
		2296
		2297	sub tmp_maps() {
		2298	[
		2299	map {
		2300	utf8::decode $_;
		2301	/\.map$/
		2302	? normalise $_
		2303	: ()
		2304	} @{ aio_readdir $TMPDIR or [] }
		2305	]
		2306	}
		2307
		2308	=item $maps = cf::map::random_maps
		2309
		2310	Returns an arrayref with all map paths of currently instantiated and saved
		2311	random maps. May block.
		2312
		2313	=cut
		2314
		2315	sub random_maps() {
		2316	[
		2317	map {
		2318	utf8::decode $_;
		2319	/\.map$/
		2320	? normalise "?random/$_"
		2321	: ()
		2322	} @{ aio_readdir $RANDOMDIR or [] }
		2323	]
1682	}	2324	}
1683		2325
1684	=item cf::map::unique_maps	2326	=item cf::map::unique_maps
1685		2327
1686	Returns an arrayref of paths of all shared maps that have	2328	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2329	instantiated unique items. May block.
1688		2330
1689	=cut	2331	=cut
1690		2332
1691	sub unique_maps() {	2333	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2334	[
1693	or return;	2335	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2336	utf8::decode $_;
1699	next if /\.pst$/;	2337	/\.map$/
1700	next unless /^$PATH_SEP/o;	2338	? normalise $_
1701		2339	: ()
1702	push @paths, cf::map::normalise $_;	2340	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2341	]
1704
1705	\@paths
1706	}	2342	}
1707		2343
1708	package cf;	2344	package cf;
1709		2345
1710	=back	2346	=back
…		…
1728	map { $_, inv_recursive_ $_->inv } @_	2364	map { $_, inv_recursive_ $_->inv } @_
1729	}	2365	}
1730		2366
1731	sub inv_recursive {	2367	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2368	inv_recursive_ inv $_[0]
		2369	}
		2370
		2371	=item $ref = $ob->ref
		2372
		2373	creates and returns a persistent reference to an objetc that can be stored as a string.
		2374
		2375	=item $ob = cf::object::deref ($refstring)
		2376
		2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2378	even if the object actually exists. May block.
		2379
		2380	=cut
		2381
		2382	sub deref {
		2383	my ($ref) = @_;
		2384
		2385	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2386	my ($uuid, $name) = ($1, $2);
		2387	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2388	or return;
		2389	$pl->ob->uuid eq $uuid
		2390	or return;
		2391
		2392	$pl->ob
		2393	} else {
		2394	warn "$ref: cannot resolve object reference\n";
		2395	undef
		2396	}
1733	}	2397	}
1734		2398
1735	package cf;	2399	package cf;
1736		2400
1737	=back	2401	=back
…		…
1756		2420
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2421	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2422
1759	if ($self->{record_replies}) {	2423	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2424	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2425
1761	} else {	2426	} else {
		2427	my $pl = $self->contr;
		2428
		2429	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2430	my $dialog = $pl->{npc_dialog};
		2431	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2432
		2433	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2434	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2435	$self->message ($msg, $flags);
		2436	}
1764	}	2437	}
		2438	}
		2439
		2440	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2441
		2442	=cut
		2443
		2444	sub cf::object::send_msg {
		2445	my $pl = shift->contr
		2446	or return;
		2447	$pl->send_msg (@_);
1765	}	2448	}
1766		2449
1767	=item $player_object->may ("access")	2450	=item $player_object->may ("access")
1768		2451
1769	Returns wether the given player is authorized to access resource "access"	2452	Returns wether the given player is authorized to access resource "access"
…		…
1816	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1817		2500
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2502
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1822		2505
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2507	}
1825		2508
1826	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1828		2513
1829	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1830		2515
1831	unless ($map) {	2516	unless ($map) {
1832	# restore original map position	2517	# restore original map position
…		…
1846	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1849		2534
1850	$map->load;	2535	$map->load;
1851	$map->load_diag;	2536	$map->load_neighbours;
1852		2537
1853	return unless $self->contr->active;	2538	return unless $self->contr->active;
1854	$self->activate_recursive;	2539	$self->activate_recursive;
1855		2540
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2541	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2542	$self->enter_map ($map, $x, $y);
1858	}	2543	}
1859		2544
1860	cf::player->attach (	2545	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861	on_logout => sub {
1862	my ($pl) = @_;
1863		2546
1864	# abort map switching before logout	2547	Moves the player to the given map-path and coordinates by first freezing
1865	if ($pl->ob->{_link_pos}) {	2548	her, loading and preparing them map, calling the provided $check callback
1866	cf::sync_job {	2549	that has to return the map if sucecssful, and then unfreezes the player on
1867	$pl->ob->leave_link	2550	the new (success) or old (failed) map position. In either case, $done will
1868	};	2551	be called at the end of this process.
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2552
1874	# try to abort aborted map switching on player login :)
1875	# should happen only on crashes
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891
1892	=item $player_object->goto ($path, $x, $y)
1893
1894	=cut	2553	=cut
		2554
		2555	our $GOTOGEN;
1895		2556
1896	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
		2559
		2560	# do generation counting so two concurrent goto's will be executed in-order
		2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2562
1899	$self->enter_link;	2563	$self->enter_link;
1900		2564
1901	(async {	2565	(async {
		2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
1902	my $map = eval {	2587	my $map = eval {
1903	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
		2589
		2590	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2591	$map = $map->customise_for ($self);
		2592	$map = $check->($map) if $check && $map;
		2593	} else {
		2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	}
		2596
1905	$map	2597	$map
		2598	};
		2599
		2600	if ($@) {
		2601	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2602	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2603	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2604
		2605	if ($gen == $self->{_goto_generation}) {
		2606	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
		2608	}
		2609
		2610	$done->() if $done;
1910	})->prio (1);	2611	})->prio (1);
1911	}	2612	}
1912		2613
1913	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1914		2615
…		…
1951	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
1952	}	2653	}
1953		2654
1954	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
1955		2656
1956	my $data = cf::to_json $rmp;	2657	my $data = cf::encode_json $rmp;
1957	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
1959		2660
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2663	undef $fh;
1963	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
…		…
1983	my $hp = $exit->stats->hp;	2684	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;	2685	my $sp = $exit->stats->sp;
1985		2686
1986	$self->enter_link;	2687	$self->enter_link;
1987		2688
		2689	# if exit is damned, update players death & WoR home-position
		2690	$self->contr->savebed ($slaying, $hp, $sp)
		2691	if $exit->flag (FLAG_DAMNED);
		2692
1988	(async {	2693	(async {
		2694	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2695
1989	$self->deactivate_recursive; # just to be sure	2696	$self->deactivate_recursive; # just to be sure
1990	unless (eval {	2697	unless (eval {
1991	$self->goto ($slaying, $hp, $sp);	2698	$self->goto ($slaying, $hp, $sp);
1992		2699
1993	1;	2700	1;
…		…
2019		2726
2020	utf8::encode $text;	2727	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2729	}
2023		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/uptime" => {
		2779	id => "infobox",
		2780	title => "Uptime",
		2781	reply => undef,
		2782	tooltip => "How long the server has been running since last restart",
		2783	},
		2784	"c/mapinfo" => {
		2785	id => "infobox",
		2786	title => "Map Info",
		2787	reply => undef,
		2788	tooltip => "Information related to the maps",
		2789	},
		2790	);
		2791
		2792	sub cf::client::send_msg {
		2793	my ($self, $channel, $msg, $color, @extra) = @_;
		2794
		2795	$msg = $self->pl->expand_cfpod ($msg);
		2796
		2797	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2798
		2799	# check predefined channels, for the benefit of C
		2800	if ($CHANNEL{$channel}) {
		2801	$channel = $CHANNEL{$channel};
		2802
		2803	$self->ext_msg (channel_info => $channel)
		2804	if $self->can_msg;
		2805
		2806	$channel = $channel->{id};
		2807
		2808	} elsif (ref $channel) {
		2809	# send meta info to client, if not yet sent
		2810	unless (exists $self->{channel}{$channel->{id}}) {
		2811	$self->{channel}{$channel->{id}} = $channel;
		2812	$self->ext_msg (channel_info => $channel)
		2813	if $self->can_msg;
		2814	}
		2815
		2816	$channel = $channel->{id};
		2817	}
		2818
		2819	return unless @extra || length $msg;
		2820
		2821	if ($self->can_msg) {
		2822	# default colour, mask it out
		2823	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2824	if $color & cf::NDI_DEF;
		2825
		2826	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2827	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2828	} else {
		2829	if ($color >= 0) {
		2830	# replace some tags by gcfclient-compatible ones
		2831	for ($msg) {
		2832	1 while
		2833	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2834	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2835	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2836	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2837	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2838	}
		2839
		2840	$color &= cf::NDI_COLOR_MASK;
		2841
		2842	utf8::encode $msg;
		2843
		2844	if (0 && $msg =~ /\[/) {
		2845	# COMMAND/INFO
		2846	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2847	} else {
		2848	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2849	$self->send_packet ("drawinfo $color $msg")
		2850	}
		2851	}
		2852	}
		2853	}
		2854
2024	=item $client->ext_event ($type, %msg)	2855	=item $client->ext_msg ($type, @msg)
2025		2856
2026	Sends an exti event to the client.	2857	Sends an ext event to the client.
2027		2858
2028	=cut	2859	=cut
2029		2860
2030	sub cf::client::ext_event($$%) {	2861	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	2862	my ($self, $type, @msg) = @_;
2032		2863
		2864	if ($self->extcmd == 2) {
		2865	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2866	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	2867	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	2868	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2869	}
		2870	}
		2871
		2872	=item $client->ext_reply ($msgid, @msg)
		2873
		2874	Sends an ext reply to the client.
		2875
		2876	=cut
		2877
		2878	sub cf::client::ext_reply($$@) {
		2879	my ($self, $id, @msg) = @_;
		2880
		2881	if ($self->extcmd == 2) {
		2882	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2883	} elsif ($self->extcmd == 1) {
		2884	#TODO: version 1, remove
		2885	unshift @msg, msgtype => "reply", msgid => $id;
		2886	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2887	}
2035	}	2888	}
2036		2889
2037	=item $success = $client->query ($flags, "text", \&cb)	2890	=item $success = $client->query ($flags, "text", \&cb)
2038		2891
2039	Queues a query to the client, calling the given callback with	2892	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2893	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2894	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2895
2043	Queries can fail, so check the return code. Or don't, as queries will become	2896	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	2897	become reliable at some point in the future.
2045		2898
2046	=cut	2899	=cut
2047		2900
2048	sub cf::client::query {	2901	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2902	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2910	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2911	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2912
2060	$self->send_packet ($self->{query_queue}[0][0])	2913	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2914	if @{ $self->{query_queue} } == 1;
		2915
		2916	1
2062	}	2917	}
2063		2918
2064	cf::client->attach (	2919	cf::client->attach (
		2920	on_connect => sub {
		2921	my ($ns) = @_;
		2922
		2923	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2924	},
2065	on_reply => sub {	2925	on_reply => sub {
2066	my ($ns, $msg) = @_;	2926	my ($ns, $msg) = @_;
2067		2927
2068	# this weird shuffling is so that direct followup queries	2928	# this weird shuffling is so that direct followup queries
2069	# get handled first	2929	# get handled first
…		…
2081	} else {	2941	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2942	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	2943	}
2084	}	2944	}
2085	},	2945	},
		2946	on_exticmd => sub {
		2947	my ($ns, $buf) = @_;
		2948
		2949	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2950
		2951	if (ref $msg) {
		2952	my ($type, $reply, @payload) =
		2953	"ARRAY" eq ref $msg
		2954	? @$msg
		2955	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2956
		2957	my @reply;
		2958
		2959	if (my $cb = $EXTICMD{$type}) {
		2960	@reply = $cb->($ns, @payload);
		2961	}
		2962
		2963	$ns->ext_reply ($reply, @reply)
		2964	if $reply;
		2965
		2966	} else {
		2967	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2968	}
		2969
		2970	cf::override;
		2971	},
2086	);	2972	);
2087		2973
2088	=item $client->async (\&cb)	2974	=item $client->async (\&cb)
2089		2975
2090	Create a new coroutine, running the specified callback. The coroutine will	2976	Create a new coroutine, running the specified callback. The coroutine will
…		…
2131	our $safe = new Safe "safe";	3017	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3018	our $safe_hole = new Safe::Hole;
2133		3019
2134	$SIG{FPE} = 'IGNORE';	3020	$SIG{FPE} = 'IGNORE';
2135		3021
2136	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3022	$safe->permit_only (Opcode::opset qw(
		3023	:base_core :base_mem :base_orig :base_math
		3024	grepstart grepwhile mapstart mapwhile
		3025	sort time
		3026	));
2137		3027
2138	# here we export the classes and methods available to script code	3028	# here we export the classes and methods available to script code
2139		3029
2140	=pod	3030	=pod
2141		3031
2142	The following functions and methods are available within a safe environment:	3032	The following functions and methods are available within a safe environment:
2143		3033
2144	cf::object contr pay_amount pay_player map	3034	cf::object
		3035	contr pay_amount pay_player map x y force_find force_add destroy
		3036	insert remove name archname title slaying race decrease_ob_nr
		3037
2145	cf::object::player player	3038	cf::object::player
2146	cf::player peaceful	3039	player
2147	cf::map trigger	3040
		3041	cf::player
		3042	peaceful
		3043
		3044	cf::map
		3045	trigger
2148		3046
2149	=cut	3047	=cut
2150		3048
2151	for (	3049	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	3050	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3051	insert remove inv name archname title slaying race
		3052	decrease_ob_nr destroy)],
2153	["cf::object::player" => qw(player)],	3053	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3054	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	3055	["cf::map" => qw(trigger)],
2156	) {	3056	) {
2157	no strict 'refs';	3057	no strict 'refs';
…		…
2228	=back	3128	=back
2229		3129
2230	=cut	3130	=cut
2231		3131
2232	#############################################################################	3132	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	3133	# the server's init and main functions
2306		3134
2307	sub load_facedata {	3135	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	3136	my ($path) = @_;
		3137
		3138	# HACK to clear player env face cache, we need some signal framework
		3139	# for this (global event?)
		3140	%ext::player_env::MUSIC_FACE_CACHE = ();
		3141
		3142	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2309		3143
2310	warn "loading facedata from $path\n";	3144	warn "loading facedata from $path\n";
2311		3145
2312	my $facedata;	3146	my $facedata;
2313	0 < aio_load $path, $facedata	3147	0 < aio_load $path, $facedata
2314	or die "$path: $!";	3148	or die "$path: $!";
2315		3149
2316	Coro::cede;
2317	$facedata = Storable::thaw $facedata;	3150	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		3151
2320	$facedata->{version} == 2	3152	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3153	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3154
		3155	# patch in the exptable
		3156	$facedata->{resource}{"res/exp_table"} = {
		3157	type => FT_RSRC,
		3158	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3159	};
		3160	cf::cede_to_tick;
		3161
2323	{	3162	{
2324	my $faces = $facedata->{faceinfo};	3163	my $faces = $facedata->{faceinfo};
2325		3164
2326	while (my ($face, $info) = each %$faces) {	3165	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3166	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3167
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3168	cf::face::set_visibility $idx, $info->{visibility};
		3169	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3170	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3171	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3172
		3173	cf::cede_to_tick;
2332	}	3174	}
2333		3175
2334	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3177	next unless $info->{smooth};
		3178
2336	my $idx = cf::face::find $face	3179	my $idx = cf::face::find $face
2337	or next;	3180	or next;
		3181
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3182	if (my $smooth = cf::face::find $info->{smooth}) {
		3183	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3184	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3185	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3186	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3187	}
2343	Coro::cede;	3188
		3189	cf::cede_to_tick;
2344	}	3190	}
2345	}	3191	}
2346		3192
2347	{	3193	{
2348	my $anims = $facedata->{animinfo};	3194	my $anims = $facedata->{animinfo};
2349		3195
2350	while (my ($anim, $info) = each %$anims) {	3196	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3197	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3198	cf::cede_to_tick;
2353	}	3199	}
2354		3200
2355	cf::anim::invalidate_all; # d'oh	3201	cf::anim::invalidate_all; # d'oh
2356	}	3202	}
2357		3203
		3204	{
		3205	# TODO: for gcfclient pleasure, we should give resources
		3206	# that gcfclient doesn't grok a >10000 face index.
		3207	my $res = $facedata->{resource};
		3208
		3209	while (my ($name, $info) = each %$res) {
		3210	if (defined $info->{type}) {
		3211	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3212	my $data;
		3213
		3214	if ($info->{type} & 1) {
		3215	# prepend meta info
		3216
		3217	my $meta = $enc->encode ({
		3218	name => $name,
		3219	%{ $info->{meta} || {} },
		3220	});
		3221
		3222	$data = pack "(w/a*)*", $meta, $info->{data};
		3223	} else {
		3224	$data = $info->{data};
		3225	}
		3226
		3227	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3228	cf::face::set_type $idx, $info->{type};
		3229	} else {
		3230	$RESOURCE{$name} = $info;
		3231	}
		3232
		3233	cf::cede_to_tick;
		3234	}
		3235	}
		3236
		3237	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3238
2358	1	3239	1
2359	}	3240	}
2360		3241
		3242	cf::global->attach (on_resource_update => sub {
		3243	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3244	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3245
		3246	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3247	my $sound = $soundconf->{compat}[$_]
		3248	or next;
		3249
		3250	my $face = cf::face::find "sound/$sound->[1]";
		3251	cf::sound::set $sound->[0] => $face;
		3252	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3253	}
		3254
		3255	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3256	my $face = cf::face::find "sound/$v";
		3257	cf::sound::set $k => $face;
		3258	}
		3259	}
		3260	});
		3261
		3262	register_exticmd fx_want => sub {
		3263	my ($ns, $want) = @_;
		3264
		3265	while (my ($k, $v) = each %$want) {
		3266	$ns->fx_want ($k, $v);
		3267	}
		3268	};
		3269
		3270	sub reload_regions {
		3271	# HACK to clear player env face cache, we need some signal framework
		3272	# for this (global event?)
		3273	%ext::player_env::MUSIC_FACE_CACHE = ();
		3274
		3275	load_resource_file "$MAPDIR/regions"
		3276	or die "unable to load regions file\n";
		3277
		3278	for (cf::region::list) {
		3279	$_->{match} = qr/$_->{match}/
		3280	if exists $_->{match};
		3281	}
		3282	}
		3283
		3284	sub reload_facedata {
		3285	load_facedata "$DATADIR/facedata"
		3286	or die "unable to load facedata\n";
		3287	}
		3288
		3289	sub reload_archetypes {
		3290	load_resource_file "$DATADIR/archetypes"
		3291	or die "unable to load archetypes\n";
		3292	#d# NEED to laod twice to resolve forward references
		3293	# this really needs to be done in an extra post-pass
		3294	# (which needs to be synchronous, so solve it differently)
		3295	load_resource_file "$DATADIR/archetypes"
		3296	or die "unable to load archetypes\n";
		3297	}
		3298
		3299	sub reload_treasures {
		3300	load_resource_file "$DATADIR/treasures"
		3301	or die "unable to load treasurelists\n";
		3302	}
		3303
2361	sub reload_resources {	3304	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3305	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3306
		3307	reload_regions;
2364	load_facedata	3308	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3309	#reload_archetypes;#d#
		3310	reload_archetypes;
		3311	reload_treasures;
		3312
		3313	warn "finished reloading resource files\n";
2366	}	3314	}
2367		3315
2368	sub init {	3316	sub init {
2369	reload_resources;	3317	reload_resources;
2370	}	3318	}
2371		3319
2372	sub cfg_load {	3320	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3321	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3322	or return;
2375		3323
2376	local $/;	3324	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3325	*CFG = YAML::Load <$fh>;
2378		3326
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3327	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2380		3328
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3329	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3330	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2393	sub main {	3341	sub main {
2394	# we must not ever block the main coroutine	3342	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3343	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3344	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3345	(async {
2398	Event::one_event;	3346	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3347	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3348	})->prio (Coro::PRIO_MAX);
2400	};	3349	};
2401		3350
2402	cfg_load;	3351	reload_config;
2403	db_init;	3352	db_init;
2404	load_extensions;	3353	load_extensions;
2405		3354
2406	$TICK_WATCHER->start;	3355	$TICK_WATCHER->start;
		3356	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2407	Event::loop;	3357	EV::loop;
2408	}	3358	}
2409		3359
2410	#############################################################################	3360	#############################################################################
2411	# initialisation and cleanup	3361	# initialisation and cleanup
2412		3362
2413	# install some emergency cleanup handlers	3363	# install some emergency cleanup handlers
2414	BEGIN {	3364	BEGIN {
		3365	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3366	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3367	$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";	3368	cf::cleanup "SIG$signal";
2423	},
2424	);	3369	};
		3370	}
		3371	}
		3372
		3373	sub write_runtime {
		3374	my $runtime = "$LOCALDIR/runtime";
		3375
		3376	# first touch the runtime file to show we are still running:
		3377	# the fsync below can take a very very long time.
		3378
		3379	IO::AIO::aio_utime $runtime, undef, undef;
		3380
		3381	my $guard = cf::lock_acquire "write_runtime";
		3382
		3383	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3384	or return;
		3385
		3386	my $value = $cf::RUNTIME + 90 + 10;
		3387	# 10 is the runtime save interval, for a monotonic clock
		3388	# 60 allows for the watchdog to kill the server.
		3389
		3390	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3391	and return;
		3392
		3393	# always fsync - this file is important
		3394	aio_fsync $fh
		3395	and return;
		3396
		3397	# touch it again to show we are up-to-date
		3398	aio_utime $fh, undef, undef;
		3399
		3400	close $fh
		3401	or return;
		3402
		3403	aio_rename "$runtime~", $runtime
		3404	and return;
		3405
		3406	warn "runtime file written.\n";
		3407
2425	}	3408	1
2426	}	3409	}
2427		3410
2428	sub emergency_save() {	3411	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3412	my $freeze_guard = cf::freeze_mainloop;
2430		3413
…		…
2436	# and maps saved/destroyed asynchronously.	3419	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3420	warn "begin emergency player save\n";
2438	for my $login (keys %cf::PLAYER) {	3421	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3422	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3423	$pl->valid or next;
		3424	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3425	$pl->save;
2442	}	3426	}
2443	warn "end emergency player save\n";	3427	warn "end emergency player save\n";
2444		3428
2445	warn "begin emergency map save\n";	3429	warn "begin emergency map save\n";
…		…
2463		3447
2464	warn Carp::longmess "post_cleanup backtrace"	3448	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3449	if $make_core;
2466	}	3450	}
2467		3451
2468	sub reload() {	3452	sub do_reload_perl() {
2469	# can/must only be called in main	3453	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3454	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3455	warn "can only reload from main coroutine";
2472	return;	3456	return;
2473	}	3457	}
…		…
2484	warn "syncing database to disk";	3468	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3469	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3470
2487	# if anything goes wrong in here, we should simply crash as we already saved	3471	# if anything goes wrong in here, we should simply crash as we already saved
2488		3472
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";	3473	warn "flushing outstanding aio requests";
2495	for (;;) {	3474	for (;;) {
2496	BDB::flush;	3475	BDB::flush;
2497	IO::AIO::flush;	3476	IO::AIO::flush;
2498	Coro::cede;	3477	Coro::cede_notself;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3478	last unless IO::AIO::nreqs || BDB::nreqs;
2500	warn "iterate...";	3479	warn "iterate...";
2501	}	3480	}
2502		3481
2503	++$RELOAD;	3482	++$RELOAD;
…		…
2507	%EXT_CORO = ();	3486	%EXT_CORO = ();
2508		3487
2509	warn "removing commands";	3488	warn "removing commands";
2510	%COMMAND = ();	3489	%COMMAND = ();
2511		3490
2512	warn "removing ext commands";	3491	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3492	%EXTCMD = ();
		3493	%EXTICMD = ();
2514		3494
2515	warn "unloading/nuking all extensions";	3495	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3496	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3497	warn "... unloading $pkg";
2518		3498
…		…
2548	Symbol::delete_package "safe::$_"	3528	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3529	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3530
2551	warn "unloading cf.pm \"a bit\"";	3531	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3532	delete $INC{"cf.pm"};
		3533	delete $INC{"cf/pod.pm"};
2553		3534
2554	# don't, removes xs symbols, too,	3535	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3536	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3537	#Symbol::delete_package __PACKAGE__;
2557		3538
…		…
2560	warn "reloading cf.pm";	3541	warn "reloading cf.pm";
2561	require cf;	3542	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3543	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3544
2564	warn "loading config and database again";	3545	warn "loading config and database again";
2565	cf::cfg_load;	3546	cf::reload_config;
2566		3547
2567	warn "loading extensions";	3548	warn "loading extensions";
2568	cf::load_extensions;	3549	cf::load_extensions;
2569		3550
2570	warn "reattaching attachments to objects/players";	3551	warn "reattaching attachments to objects/players";
…		…
2572	warn "reattaching attachments to maps";	3553	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3554	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3555	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3556	reattach $_ for values %PLAYER;
2576		3557
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3558	warn "leaving sync_job";
2581		3559
2582	1	3560	1
2583	} or do {	3561	} or do {
2584	warn $@;	3562	warn $@;
…		…
2589	warn "reloaded";	3567	warn "reloaded";
2590	};	3568	};
2591		3569
2592	our $RELOAD_WATCHER; # used only during reload	3570	our $RELOAD_WATCHER; # used only during reload
2593		3571
		3572	sub reload_perl() {
		3573	# doing reload synchronously and two reloads happen back-to-back,
		3574	# coro crashes during coro_state_free->destroy here.
		3575
		3576	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3577	do_reload_perl;
		3578	undef $RELOAD_WATCHER;
		3579	};
		3580	}
		3581
2594	register_command "reload" => sub {	3582	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3583	my ($who, $arg) = @_;
2596		3584
2597	if ($who->flag (FLAG_WIZ)) {	3585	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3586	$who->message ("reloading server.");
2599		3587	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3588	$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;	3589	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3590	};
2612	}	3591	}
2613	};	3592	};
2614		3593
2615	unshift @INC, $LIBDIR;	3594	unshift @INC, $LIBDIR;
2616		3595
2617	my $bug_warning = 0;	3596	my $bug_warning = 0;
2618		3597
2619	$TICK_WATCHER = Event->timer (	3598	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3599	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3600
2622	prio => 0,	3601	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3602	return unless $TICK_WATCHER->is_active;
2624	data => WF_AUTOCANCEL,	3603	return if $Coro::current == $Coro::main;
2625	cb => sub {	3604
		3605	my $signal = new Coro::Signal;
		3606	push @WAIT_FOR_TICK, $signal;
		3607	$signal->wait;
		3608	}
		3609
		3610	sub wait_for_tick_begin {
		3611	return unless $TICK_WATCHER->is_active;
		3612	return if $Coro::current == $Coro::main;
		3613
		3614	my $signal = new Coro::Signal;
		3615	push @WAIT_FOR_TICK_BEGIN, $signal;
		3616	$signal->wait;
		3617	}
		3618
		3619	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2626	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3621	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3622	unless ++$bug_warning > 10;
2629	return;	3623	return;
2630	}	3624	}
2631		3625
2632	$NOW = Event::time;	3626	$NOW = $tick_start = EV::now;
2633		3627
2634	cf::server_tick; # one server iteration	3628	cf::server_tick; # one server iteration
		3629
2635	$RUNTIME += $TICK;	3630	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;	3631	$NEXT_TICK = $_[0]->at;
2637		3632
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3633	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3634	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3635	Coro::async_pool {
		3636	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3637	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3638	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3639	};
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	},	3640	}
2658	);	3641
		3642	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3643	$sig->send;
		3644	}
		3645	while (my $sig = shift @WAIT_FOR_TICK) {
		3646	$sig->send;
		3647	}
		3648
		3649	$LOAD = ($NOW - $tick_start) / $TICK;
		3650	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3651
		3652	_post_tick;
		3653	};
		3654	$TICK_WATCHER->priority (EV::MAXPRI);
2659		3655
2660	{	3656	{
2661	BDB::max_poll_time $TICK * 0.1;	3657	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3658
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;	3659	BDB::min_parallel 8;
2671		3660	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3661	$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		3662
2687	unless ($DB_ENV) {	3663	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3664	$DB_ENV = BDB::db_env_create;
		3665	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3666	| BDB::LOG_AUTOREMOVE, 1);
		3667	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3668	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3669
2690	cf::sync_job {	3670	cf::sync_job {
2691	eval {	3671	eval {
2692	BDB::db_env_open	3672	BDB::db_env_open
2693	$DB_ENV,	3673	$DB_ENV,
2694	$BDB_ENV_DIR,	3674	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3675	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3676	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3677	0666;
2698		3678
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3679	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	};	3680	};
2704		3681
2705	cf::cleanup "db_env_open(db): $@" if $@;	3682	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3683	};
2707	}	3684	}
		3685
		3686	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3687	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3688	};
		3689	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3690	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3691	};
		3692	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3693	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3694	};
2708	}	3695	}
2709		3696
2710	{	3697	{
		3698	# configure IO::AIO
		3699
2711	IO::AIO::min_parallel 8;	3700	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3701	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3702	$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	}	3703	}
		3704
		3705	my $_log_backtrace;
		3706
		3707	sub _log_backtrace {
		3708	my ($msg, @addr) = @_;
		3709
		3710	$msg =~ s/\n//;
		3711
		3712	# limit the # of concurrent backtraces
		3713	if ($_log_backtrace < 2) {
		3714	++$_log_backtrace;
		3715	async {
		3716	$Coro::current->{desc} = "abt $msg";
		3717
		3718	my @bt = fork_call {
		3719	@addr = map { sprintf "%x", $_ } @addr;
		3720	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3721	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3722	or die "addr2line: $!";
		3723
		3724	my @funcs;
		3725	my @res = <$fh>;
		3726	chomp for @res;
		3727	while (@res) {
		3728	my ($func, $line) = splice @res, 0, 2, ();
		3729	push @funcs, "[$func] $line";
		3730	}
		3731
		3732	@funcs
		3733	};
		3734
		3735	LOG llevInfo, "[ABT] $msg\n";
		3736	LOG llevInfo, "[ABT] $_\n" for @bt;
		3737	--$_log_backtrace;
		3738	};
		3739	} else {
		3740	LOG llevInfo, "[ABT] $msg\n";
		3741	LOG llevInfo, "[ABT] [suppressed]\n";
		3742	}
		3743	}
		3744
		3745	# load additional modules
		3746	use cf::pod;
2724		3747
2725	END { cf::emergency_save }	3748	END { cf::emergency_save }
2726		3749
2727	1	3750	1
2728		3751

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