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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.234 by root, Thu Apr 5 13:44:31 2007 UTC vs.
Revision 1.411 by root, Fri Feb 1 15:54:07 2008 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
9	use Event;	9	use EV 1.86;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.52 ();	15	use Coro 4.32 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::EV;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
		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	cf::cleanup "mandatory extension failed to load, exiting.";
		1322	}
		1323
		1324	warn $msg;
		1325	}
		1326
		1327	$done{$k} = delete $todo{$k};
		1328	push @EXTS, $v->{pkg};
		1329	$progress = 1;
930	1	1330	}
931	} or warn "$ext not loaded: $@";	1331
		1332	skip:
		1333	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1334	unless $progress;
		1335	}
932	}	1336	};
933	}	1337	}
934		1338
935	#############################################################################	1339	#############################################################################
936		1340
		1341	=back
		1342
937	=head2 CORE EXTENSIONS	1343	=head2 CORE EXTENSIONS
938		1344
939	Functions and methods that extend core crossfire objects.	1345	Functions and methods that extend core crossfire objects.
940		1346
941	=cut	1347	=cut
…		…
946		1352
947	=head3 cf::player	1353	=head3 cf::player
948		1354
949	=over 4	1355	=over 4
950		1356
		1357	=item cf::player::num_playing
		1358
		1359	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1360
		1361	=cut
		1362
		1363	sub num_playing {
		1364	scalar grep
		1365	$_->ob->map
		1366	&& !$_->hidden
		1367	&& !$_->ob->flag (cf::FLAG_WIZ),
		1368	cf::player::list
		1369	}
		1370
951	=item cf::player::find $login	1371	=item cf::player::find $login
952		1372
953	Returns the given player object, loading it if necessary (might block).	1373	Returns the given player object, loading it if necessary (might block).
954		1374
955	=cut	1375	=cut
956		1376
957	sub playerdir($) {	1377	sub playerdir($) {
958	cf::localdir	1378	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1379	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1380	}
964		1381
965	sub path($) {	1382	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1383	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1410	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1411	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1412	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1413	aio_unlink +(playerdir $login) . "/$login.pl";
997		1414
998	my $pl = load_pl path $login	1415	my $f = new_from_file cf::object::thawer path $login
999	or return;	1416	or return;
		1417
		1418	my $pl = cf::player::load_pl $f
		1419	or return;
		1420	local $cf::PLAYER_LOADING{$login} = $pl;
		1421	$f->resolve_delayed_derefs;
1000	$cf::PLAYER{$login} = $pl	1422	$cf::PLAYER{$login} = $pl
1001	}	1423	}
1002	}	1424	}
1003	}	1425	}
1004		1426
…		…
1014		1436
1015	aio_mkdir playerdir $pl, 0770;	1437	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1438	$pl->{last_save} = $cf::RUNTIME;
1017		1439
1018	$pl->save_pl ($path);	1440	$pl->save_pl ($path);
1019	Coro::cede;	1441	cf::cede_to_tick;
1020	}	1442	}
1021		1443
1022	sub new($) {	1444	sub new($) {
1023	my ($login) = @_;	1445	my ($login) = @_;
1024		1446
…		…
1028	$self->{deny_save} = 1;	1450	$self->{deny_save} = 1;
1029		1451
1030	$cf::PLAYER{$login} = $self;	1452	$cf::PLAYER{$login} = $self;
1031		1453
1032	$self	1454	$self
		1455	}
		1456
		1457	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1458
		1459	=cut
		1460
		1461	sub send_msg {
		1462	my $ns = shift->ns
		1463	or return;
		1464	$ns->send_msg (@_);
1033	}	1465	}
1034		1466
1035	=item $pl->quit_character	1467	=item $pl->quit_character
1036		1468
1037	Nukes the player without looking back. If logged in, the connection will	1469	Nukes the player without looking back. If logged in, the connection will
…		…
1086	while and may block, so not sync_job-capable, ever.	1518	while and may block, so not sync_job-capable, ever.
1087		1519
1088	=cut	1520	=cut
1089		1521
1090	sub list_logins {	1522	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1523	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1524	or return [];
1093		1525
1094	my @logins;	1526	my @logins;
1095		1527
1096	for my $login (@$dirs) {	1528	for my $login (@$dirs) {
		1529	my $path = path $login;
		1530
		1531	# a .pst is a dead give-away for a valid player
		1532	unless (-e "$path.pst") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1533	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1534	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1535	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1536	}
1100		1537
1101	utf8::decode $login;	1538	utf8::decode $login;
1102	push @logins, $login;	1539	push @logins, $login;
1103	}	1540	}
1104		1541
…		…
1131	}	1568	}
1132		1569
1133	\@paths	1570	\@paths
1134	}	1571	}
1135		1572
		1573	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1574
		1575	Expand crossfire pod fragments into protocol xml.
		1576
		1577	=cut
		1578
		1579	use re 'eval';
		1580
		1581	my $group;
		1582	my $interior; $interior = qr{
		1583	# match a pod interior sequence sans C<< >>
		1584	(?:
		1585	\ (.*?)\ (?{ $group = $^N })
		1586	| < (??{$interior}) >
		1587	)
		1588	}x;
		1589
		1590	sub expand_cfpod {
		1591	my ($self, $pod) = @_;
		1592
		1593	my $xml;
		1594
		1595	while () {
		1596	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1597	$group = $1;
		1598
		1599	$group =~ s/&/&amp;/g;
		1600	$group =~ s/</&lt;/g;
		1601
		1602	$xml .= $group;
		1603	} elsif ($pod =~ m%\G
		1604	([BCGHITU])
		1605	<
		1606	(?:
		1607	([^<>]*) (?{ $group = $^N })
		1608	| < $interior >
		1609	)
		1610	>
		1611	%gcsx
		1612	) {
		1613	my ($code, $data) = ($1, $group);
		1614
		1615	if ($code eq "B") {
		1616	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1617	} elsif ($code eq "I") {
		1618	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1619	} elsif ($code eq "U") {
		1620	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1621	} elsif ($code eq "C") {
		1622	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1623	} elsif ($code eq "T") {
		1624	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1625	} elsif ($code eq "G") {
		1626	my ($male, $female) = split /\|/, $data;
		1627	$data = $self->gender ? $female : $male;
		1628	$xml .= expand_cfpod ($self, $data);
		1629	} elsif ($code eq "H") {
		1630	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1631	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1632	"")
		1633	[$self->{hintmode}];
		1634	} else {
		1635	$xml .= "error processing '$code($data)' directive";
		1636	}
		1637	} else {
		1638	if ($pod =~ /\G(.+)/) {
		1639	warn "parse error while expanding $pod (at $1)";
		1640	}
		1641	last;
		1642	}
		1643	}
		1644
		1645	for ($xml) {
		1646	# create single paragraphs (very hackish)
		1647	s/(?<=\S)\n(?=\w)/ /g;
		1648
		1649	# compress some whitespace
		1650	s/\s+\n/\n/g; # ws line-ends
		1651	s/\n\n+/\n/g; # double lines
		1652	s/^\n+//; # beginning lines
		1653	s/\n+$//; # ending lines
		1654	}
		1655
		1656	$xml
		1657	}
		1658
		1659	no re 'eval';
		1660
		1661	sub hintmode {
		1662	$_[0]{hintmode} = $_[1] if @_ > 1;
		1663	$_[0]{hintmode}
		1664	}
		1665
1136	=item $player->ext_reply ($msgid, %msg)	1666	=item $player->ext_reply ($msgid, @msg)
1137		1667
1138	Sends an ext reply to the player.	1668	Sends an ext reply to the player.
1139		1669
1140	=cut	1670	=cut
1141		1671
1142	sub ext_reply($$%) {	1672	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1673	my ($self, $id, @msg) = @_;
1144		1674
1145	$msg{msgid} = $id;	1675	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1676	}
1149		1677
1150	=item $player->ext_event ($type, %msg)	1678	=item $player->ext_msg ($type, @msg)
1151		1679
1152	Sends an ext event to the client.	1680	Sends an ext event to the client.
1153		1681
1154	=cut	1682	=cut
1155		1683
1156	sub ext_event($$%) {	1684	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1685	my ($self, $type, @msg) = @_;
1158		1686
1159	$self->ns->ext_event ($type, %msg);	1687	$self->ns->ext_msg ($type, @msg);
1160	}	1688	}
1161		1689
1162	package cf;	1690	=head3 cf::region
		1691
		1692	=over 4
		1693
		1694	=cut
		1695
		1696	package cf::region;
		1697
		1698	=item cf::region::find_by_path $path
		1699
		1700	Tries to decuce the likely region for a map knowing only its path.
		1701
		1702	=cut
		1703
		1704	sub find_by_path($) {
		1705	my ($path) = @_;
		1706
		1707	my ($match, $specificity);
		1708
		1709	for my $region (list) {
		1710	if ($region->{match} && $path =~ $region->{match}) {
		1711	($match, $specificity) = ($region, $region->specificity)
		1712	if $region->specificity > $specificity;
		1713	}
		1714	}
		1715
		1716	$match
		1717	}
1163		1718
1164	=back	1719	=back
1165
1166		1720
1167	=head3 cf::map	1721	=head3 cf::map
1168		1722
1169	=over 4	1723	=over 4
1170		1724
…		…
1225	my ($self, $merge) = @_;	1779	my ($self, $merge) = @_;
1226		1780
1227	# we have to keep some variables in memory intact	1781	# we have to keep some variables in memory intact
1228	local $self->{path};	1782	local $self->{path};
1229	local $self->{load_path};	1783	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1784
1233	$self->SUPER::thawer_merge ($merge);	1785	$self->SUPER::thawer_merge ($merge);
1234	}	1786	}
1235		1787
1236	sub normalise {	1788	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1835	$self->init; # pass $1 etc.
1284	return $self;	1836	return $self;
1285	}	1837	}
1286	}	1838	}
1287		1839
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1840	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1841	()
1290	}	1842	}
1291		1843
1292	sub init {	1844	sub init {
1293	my ($self) = @_;	1845	my ($self) = @_;
…		…
1308		1860
1309	# the original (read-only) location	1861	# the original (read-only) location
1310	sub load_path {	1862	sub load_path {
1311	my ($self) = @_;	1863	my ($self) = @_;
1312		1864
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1865	"$MAPDIR/$self->{path}.map"
1314	}	1866	}
1315		1867
1316	# the temporary/swap location	1868	# the temporary/swap location
1317	sub save_path {	1869	sub save_path {
1318	my ($self) = @_;	1870	my ($self) = @_;
1319		1871
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1872	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1873	"$TMPDIR/$path.map"
1322	}	1874	}
1323		1875
1324	# the unique path, undef == no special unique path	1876	# the unique path, undef == no special unique path
1325	sub uniq_path {	1877	sub uniq_path {
1326	my ($self) = @_;	1878	my ($self) = @_;
1327		1879
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1881	"$UNIQUEDIR/$path"
1330	}	1882	}
1331		1883
1332	# and all this just because we cannot iterate over	1884	# and all this just because we cannot iterate over
1333	# all maps in C++...	1885	# all maps in C++...
1334	sub change_all_map_light {	1886	sub change_all_map_light {
…		…
1336		1888
1337	$_->change_map_light ($change)	1889	$_->change_map_light ($change)
1338	for grep $_->outdoor, values %cf::MAP;	1890	for grep $_->outdoor, values %cf::MAP;
1339	}	1891	}
1340		1892
		1893	sub decay_objects {
		1894	my ($self) = @_;
		1895
		1896	return if $self->{deny_reset};
		1897
		1898	$self->do_decay_objects;
		1899	}
		1900
1341	sub unlink_save {	1901	sub unlink_save {
1342	my ($self) = @_;	1902	my ($self) = @_;
1343		1903
1344	utf8::encode (my $save = $self->save_path);	1904	utf8::encode (my $save = $self->save_path);
1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1905	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1348		1908
1349	sub load_header_from($) {	1909	sub load_header_from($) {
1350	my ($self, $path) = @_;	1910	my ($self, $path) = @_;
1351		1911
1352	utf8::encode $path;	1912	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	1913	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	or return;	1914	or return;
		1915
		1916	$self->_load_header ($f)
		1917	or return;
		1918
		1919	local $MAP_LOADING{$self->{path}} = $self;
		1920	$f->resolve_delayed_derefs;
1358		1921
1359	$self->{load_path} = $path;	1922	$self->{load_path} = $path;
1360		1923
1361	1	1924	1
1362	}	1925	}
…		…
1401	$self->load_header_orig	1964	$self->load_header_orig
1402	or return;	1965	or return;
1403	$self->prepare_orig;	1966	$self->prepare_orig;
1404	}	1967	}
1405		1968
		1969	$self->{deny_reset} = 1
		1970	if $self->no_reset;
		1971
		1972	$self->default_region (cf::region::find_by_path $self->{path})
		1973	unless $self->default_region;
		1974
1406	1	1975	1
1407	}	1976	}
1408		1977
1409	sub find;	1978	sub find;
1410	sub find {	1979	sub find {
1411	my ($path, $origin) = @_;	1980	my ($path, $origin) = @_;
1412		1981
1413	$path = normalise $path, $origin && $origin->path;	1982	$path = normalise $path, $origin && $origin->path;
1414		1983
		1984	cf::lock_wait "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	1985	cf::lock_wait "map_find:$path";
1416		1986
1417	$cf::MAP{$path} || do {	1987	$cf::MAP{$path} || do {
1418	my $guard = cf::lock_acquire "map_find:$path";	1988	my $guard1 = cf::lock_acquire "map_find:$path";
		1989	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1990
1419	my $map = new_from_path cf::map $path	1991	my $map = new_from_path cf::map $path
1420	or return;	1992	or return;
1421		1993
1422	$map->{last_save} = $cf::RUNTIME;	1994	$map->{last_save} = $cf::RUNTIME;
1423		1995
1424	$map->load_header	1996	$map->load_header
1425	or return;	1997	or return;
1426		1998
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1999	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	2000	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	2001	#$cf::WAIT_FOR_TICK->wait;
		2002	undef $guard1;
		2003	undef $guard2;
1430	$map->reset;	2004	$map->reset;
1431	undef $guard;
1432	return find $path;	2005	return find $path;
1433	}	2006	}
1434		2007
1435	$cf::MAP{$path} = $map	2008	$cf::MAP{$path} = $map
1436	}	2009	}
…		…
1443	my ($self) = @_;	2016	my ($self) = @_;
1444		2017
1445	local $self->{deny_reset} = 1; # loading can take a long time	2018	local $self->{deny_reset} = 1; # loading can take a long time
1446		2019
1447	my $path = $self->{path};	2020	my $path = $self->{path};
		2021
		2022	{
1448	my $guard = cf::lock_acquire "map_load:$path";	2023	my $guard = cf::lock_acquire "map_data:$path";
1449		2024
		2025	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	2026	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		2027
1452	$self->in_memory (cf::MAP_LOADING);	2028	$self->in_memory (cf::MAP_LOADING);
1453		2029
1454	$self->alloc;	2030	$self->alloc;
1455		2031
1456	$self->pre_load;	2032	$self->pre_load;
		2033	cf::cede_to_tick;
1457		2034
1458	$self->_load_objects ($self->{load_path}, 1)	2035	my $f = new_from_file cf::object::thawer $self->{load_path};
		2036	$f->skip_block;
		2037	$self->_load_objects ($f)
1459	or return;	2038	or return;
1460		2039
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2040	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1462	if delete $self->{load_original};	2041	if delete $self->{load_original};
1463		2042
1464	if (my $uniq = $self->uniq_path) {	2043	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2044	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2045	unless (aio_stat $uniq) {
		2046	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2047	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2048	$self->_load_objects ($f);
		2049	$f->resolve_delayed_derefs;
		2050	}
1469	}	2051	}
1470	}	2052	}
1471		2053
1472	Coro::cede;	2054	$f->resolve_delayed_derefs;
1473		2055
		2056	cf::cede_to_tick;
1474	# now do the right thing for maps	2057	# now do the right thing for maps
1475	$self->link_multipart_objects;	2058	$self->link_multipart_objects;
1476
1477	unless ($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)	2059	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2060	unless $self->difficulty;
1485	Coro::cede;	2061	cf::cede_to_tick;
		2062
		2063	unless ($self->{deny_activate}) {
		2064	$self->decay_objects;
		2065	$self->fix_auto_apply;
		2066	$self->update_buttons;
		2067	cf::cede_to_tick;
		2068	$self->set_darkness_map;
		2069	cf::cede_to_tick;
1486	$self->activate;	2070	$self->activate;
		2071	}
		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
		2076	$self->in_memory (cf::MAP_IN_MEMORY);
1487	}	2077	}
1488		2078
1489	$self->post_load;	2079	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	2080	}
1493		2081
1494	sub customise_for {	2082	sub customise_for {
1495	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1496		2084
1497	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2086	if $self->per_player;
1499		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1500	$self	2091	$self
1501	}	2092	}
1502		2093
1503	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	2095	sub load_neighbours {
1505	my ($map) = @_;	2096	my ($map) = @_;
1506		2097
1507	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1508		2099
1509	for (0 .. 3) {	2100	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1511	or next;	2102	or next;
1512	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1513	or next;	2104	or next;
1514	$neigh->load;	2105	$neigh->load;
1515		2106
		2107	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2110	}
1519		2111
1520	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1522	or next;	2115	or next;
1523	$neigh->load;	2116	$neigh->load;
1524	}	2117	}
1525	}	2118	}
1526		2119
…		…
1531	}	2124	}
1532		2125
1533	sub do_load_sync {	2126	sub do_load_sync {
1534	my ($map) = @_;	2127	my ($map) = @_;
1535		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1536	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1537	}	2133	}
1538		2134
1539	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1541		2137
1542	sub find_async {	2138	sub find_async {
1543	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1544		2140
1545	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1546		2142
1547	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1549	}	2145	}
1550		2146
1551	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1552	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1553	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2154	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2155	$map->load if $v;
		2156	}
1558		2157
1559	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1560	}	2159	}
1561	}	2160	}
1562	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1563	};	2162	};
1564	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1567	}	2166	}
1568		2167
1569	sub save {	2168	sub save {
1570	my ($self) = @_;	2169	my ($self) = @_;
1571		2170
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2172
1574	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1575		2174
1576	return unless $self->dirty;	2175	return unless $self->dirty;
1577		2176
…		…
1583	return if $self->{deny_save};	2182	return if $self->{deny_save};
1584		2183
1585	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1586		2185
1587	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1589	};	2189	};
1590		2190
1591	if ($uniq) {	2191	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2192	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1600	my ($self) = @_;	2200	my ($self) = @_;
1601		2201
1602	# save first because save cedes	2202	# save first because save cedes
1603	$self->save;	2203	$self->save;
1604		2204
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2205	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2206
1607	return if $self->players;	2207	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;	2208	return if $self->in_memory != cf::MAP_IN_MEMORY;
1609	return if $self->{deny_save};	2209	return if $self->{deny_save};
1610		2210
		2211	$self->in_memory (cf::MAP_SWAPPED);
		2212
		2213	$self->deactivate;
		2214	$_->clear_links_to ($self) for values %cf::MAP;
1611	$self->clear;	2215	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2216	}
1614		2217
1615	sub reset_at {	2218	sub reset_at {
1616	my ($self) = @_;	2219	my ($self) = @_;
1617		2220
1618	# TODO: safety, remove and allow resettable per-player maps	2221	# 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};	2222	return 1e99 if $self->{deny_reset};
1621		2223
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2224	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2225	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2226
…		…
1635	my ($self) = @_;	2237	my ($self) = @_;
1636		2238
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2239	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2240
1639	return if $self->players;	2241	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2242
1642	warn "resetting map ", $self->path;#d#	2243	warn "resetting map ", $self->path;
1643		2244
1644	$self->in_memory (cf::MAP_SWAPPED);	2245	$self->in_memory (cf::MAP_SWAPPED);
1645		2246
1646	# need to save uniques path	2247	# need to save uniques path
1647	unless ($self->{deny_save}) {	2248	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2252	if $uniq;
1652	}	2253	}
1653		2254
1654	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1655		2256
		2257	$self->deactivate;
		2258	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2259	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2260
1660	$self->unlink_save;	2261	$self->unlink_save;
1661	$self->destroy;	2262	$self->destroy;
1662	}	2263	}
1663		2264
1664	my $nuke_counter = "aaaa";	2265	my $nuke_counter = "aaaa";
1665		2266
1666	sub nuke {	2267	sub nuke {
1667	my ($self) = @_;	2268	my ($self) = @_;
1668		2269
		2270	{
		2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2272
1669	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1670		2274
1671	$self->unlink_save;	2275	$self->unlink_save;
1672		2276
1673	bless $self, "cf::map";	2277	bless $self, "cf::map";
1674	delete $self->{deny_reset};	2278	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2279	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2280	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2281	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2282
1679	$cf::MAP{$self->path} = $self;	2283	$cf::MAP{$self->path} = $self;
		2284	}
1680		2285
1681	$self->reset; # polite request, might not happen	2286	$self->reset; # polite request, might not happen
		2287	}
		2288
		2289	=item $maps = cf::map::tmp_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	maps. May block.
		2293
		2294	=cut
		2295
		2296	sub tmp_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise $_
		2302	: ()
		2303	} @{ aio_readdir $TMPDIR or [] }
		2304	]
		2305	}
		2306
		2307	=item $maps = cf::map::random_maps
		2308
		2309	Returns an arrayref with all map paths of currently instantiated and saved
		2310	random maps. May block.
		2311
		2312	=cut
		2313
		2314	sub random_maps() {
		2315	[
		2316	map {
		2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise "?random/$_"
		2320	: ()
		2321	} @{ aio_readdir $RANDOMDIR or [] }
		2322	]
1682	}	2323	}
1683		2324
1684	=item cf::map::unique_maps	2325	=item cf::map::unique_maps
1685		2326
1686	Returns an arrayref of paths of all shared maps that have	2327	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2328	instantiated unique items. May block.
1688		2329
1689	=cut	2330	=cut
1690		2331
1691	sub unique_maps() {	2332	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2333	[
1693	or return;	2334	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2335	utf8::decode $_;
1699	next if /\.pst$/;	2336	/\.map$/
1700	next unless /^$PATH_SEP/o;	2337	? normalise $_
1701		2338	: ()
1702	push @paths, cf::map::normalise $_;	2339	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2340	]
1704
1705	\@paths
1706	}	2341	}
1707		2342
1708	package cf;	2343	package cf;
1709		2344
1710	=back	2345	=back
…		…
1728	map { $_, inv_recursive_ $_->inv } @_	2363	map { $_, inv_recursive_ $_->inv } @_
1729	}	2364	}
1730		2365
1731	sub inv_recursive {	2366	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2367	inv_recursive_ inv $_[0]
		2368	}
		2369
		2370	=item $ref = $ob->ref
		2371
		2372	creates and returns a persistent reference to an objetc that can be stored as a string.
		2373
		2374	=item $ob = cf::object::deref ($refstring)
		2375
		2376	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2377	even if the object actually exists. May block.
		2378
		2379	=cut
		2380
		2381	sub deref {
		2382	my ($ref) = @_;
		2383
		2384	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2385	my ($uuid, $name) = ($1, $2);
		2386	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2387	or return;
		2388	$pl->ob->uuid eq $uuid
		2389	or return;
		2390
		2391	$pl->ob
		2392	} else {
		2393	warn "$ref: cannot resolve object reference\n";
		2394	undef
		2395	}
1733	}	2396	}
1734		2397
1735	package cf;	2398	package cf;
1736		2399
1737	=back	2400	=back
…		…
1756		2419
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2421
1759	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1761	} else {	2425	} else {
		2426	my $pl = $self->contr;
		2427
		2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2429	my $dialog = $pl->{npc_dialog};
		2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2431
		2432	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2434	$self->message ($msg, $flags);
		2435	}
1764	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
1765	}	2447	}
1766		2448
1767	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1768		2450
1769	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1816	$self->deactivate_recursive;	2498	$self->deactivate_recursive;
1817		2499
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2500	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2501
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2503	if $self->map && $self->map->{path} ne "{link}";
1822		2504
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2505	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2506	}
1825		2507
1826	sub cf::object::player::leave_link {	2508	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2509	my ($self, $map, $x, $y) = @_;
		2510
		2511	return unless $self->contr->active;
1828		2512
1829	my $link_pos = delete $self->{_link_pos};	2513	my $link_pos = delete $self->{_link_pos};
1830		2514
1831	unless ($map) {	2515	unless ($map) {
1832	# restore original map position	2516	# restore original map position
…		…
1846	# use -1 or undef as default coordinates, not 0, 0	2530	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2531	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2532	if $x <=0 && $y <= 0;
1849		2533
1850	$map->load;	2534	$map->load;
1851	$map->load_diag;	2535	$map->load_neighbours;
1852		2536
1853	return unless $self->contr->active;	2537	return unless $self->contr->active;
1854	$self->activate_recursive;	2538	$self->activate_recursive;
1855		2539
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1858	}	2542	}
1859		2543
1860	cf::player->attach (	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861	on_logout => sub {
1862	my ($pl) = @_;
1863		2545
1864	# abort map switching before logout	2546	Moves the player to the given map-path and coordinates by first freezing
1865	if ($pl->ob->{_link_pos}) {	2547	her, loading and preparing them map, calling the provided $check callback
1866	cf::sync_job {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1867	$pl->ob->leave_link	2549	the new (success) or old (failed) map position. In either case, $done will
1868	};	2550	be called at the end of this process.
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2551
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	2552	=cut
		2553
		2554	our $GOTOGEN;
1895		2555
1896	sub cf::object::player::goto {	2556	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2557	my ($self, $path, $x, $y, $check, $done) = @_;
		2558
		2559	# do generation counting so two concurrent goto's will be executed in-order
		2560	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2561
1899	$self->enter_link;	2562	$self->enter_link;
1900		2563
1901	(async {	2564	(async {
		2565	$Coro::current->{desc} = "player::goto $path $x $y";
		2566
		2567	# *tag paths override both path and x|y
		2568	if ($path =~ /^\*(.*)$/) {
		2569	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2570	my $ob = $obs[rand @obs];
		2571
		2572	# see if we actually can go there
		2573	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2574	$ob = $obs[rand @obs];
		2575	} else {
		2576	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2577	}
		2578	# else put us there anyways for now #d#
		2579
		2580	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2581	} else {
		2582	($path, $x, $y) = (undef, undef, undef);
		2583	}
		2584	}
		2585
1902	my $map = eval {	2586	my $map = eval {
1903	my $map = cf::map::find $path;	2587	my $map = defined $path ? cf::map::find $path : undef;
		2588
		2589	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2590	$map = $map->customise_for ($self);
		2591	$map = $check->($map) if $check && $map;
		2592	} else {
		2593	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	}
		2595
1905	$map	2596	$map
		2597	};
		2598
		2599	if ($@) {
		2600	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2601	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2602	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2603
		2604	if ($gen == $self->{_goto_generation}) {
		2605	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2606	$self->leave_link ($map, $x, $y);
		2607	}
		2608
		2609	$done->() if $done;
1910	})->prio (1);	2610	})->prio (1);
1911	}	2611	}
1912		2612
1913	=item $player_object->enter_exit ($exit_object)	2613	=item $player_object->enter_exit ($exit_object)
1914		2614
…		…
1951	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
1952	}	2652	}
1953		2653
1954	$rmp->{random_seed} ||= $exit->random_seed;	2654	$rmp->{random_seed} ||= $exit->random_seed;
1955		2655
1956	my $data = cf::to_json $rmp;	2656	my $data = cf::encode_json $rmp;
1957	my $md5 = Digest::MD5::md5_hex $data;	2657	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2658	my $meta = "$RANDOMDIR/$md5.meta";
1959		2659
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2660	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2661	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2662	undef $fh;
1963	aio_rename "$meta~", $meta;	2663	aio_rename "$meta~", $meta;
…		…
1983	my $hp = $exit->stats->hp;	2683	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;	2684	my $sp = $exit->stats->sp;
1985		2685
1986	$self->enter_link;	2686	$self->enter_link;
1987		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($slaying, $hp, $sp)
		2690	if $exit->flag (FLAG_DAMNED);
		2691
1988	(async {	2692	(async {
		2693	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2694
1989	$self->deactivate_recursive; # just to be sure	2695	$self->deactivate_recursive; # just to be sure
1990	unless (eval {	2696	unless (eval {
1991	$self->goto ($slaying, $hp, $sp);	2697	$self->goto ($slaying, $hp, $sp);
1992		2698
1993	1;	2699	1;
…		…
2019		2725
2020	utf8::encode $text;	2726	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2728	}
2023		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/uptime" => {
		2778	id => "infobox",
		2779	title => "Uptime",
		2780	reply => undef,
		2781	tooltip => "How long the server has been running since last restart",
		2782	},
		2783	"c/mapinfo" => {
		2784	id => "infobox",
		2785	title => "Map Info",
		2786	reply => undef,
		2787	tooltip => "Information related to the maps",
		2788	},
		2789	);
		2790
		2791	sub cf::client::send_msg {
		2792	my ($self, $channel, $msg, $color, @extra) = @_;
		2793
		2794	$msg = $self->pl->expand_cfpod ($msg);
		2795
		2796	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2797
		2798	# check predefined channels, for the benefit of C
		2799	if ($CHANNEL{$channel}) {
		2800	$channel = $CHANNEL{$channel};
		2801
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804
		2805	$channel = $channel->{id};
		2806
		2807	} elsif (ref $channel) {
		2808	# send meta info to client, if not yet sent
		2809	unless (exists $self->{channel}{$channel->{id}}) {
		2810	$self->{channel}{$channel->{id}} = $channel;
		2811	$self->ext_msg (channel_info => $channel)
		2812	if $self->can_msg;
		2813	}
		2814
		2815	$channel = $channel->{id};
		2816	}
		2817
		2818	return unless @extra || length $msg;
		2819
		2820	if ($self->can_msg) {
		2821	# default colour, mask it out
		2822	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2823	if $color & cf::NDI_DEF;
		2824
		2825	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2827	} else {
		2828	if ($color >= 0) {
		2829	# replace some tags by gcfclient-compatible ones
		2830	for ($msg) {
		2831	1 while
		2832	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2833	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2834	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2835	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2836	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2837	}
		2838
		2839	$color &= cf::NDI_COLOR_MASK;
		2840
		2841	utf8::encode $msg;
		2842
		2843	if (0 && $msg =~ /\[/) {
		2844	# COMMAND/INFO
		2845	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2846	} else {
		2847	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2848	$self->send_packet ("drawinfo $color $msg")
		2849	}
		2850	}
		2851	}
		2852	}
		2853
2024	=item $client->ext_event ($type, %msg)	2854	=item $client->ext_msg ($type, @msg)
2025		2855
2026	Sends an exti event to the client.	2856	Sends an ext event to the client.
2027		2857
2028	=cut	2858	=cut
2029		2859
2030	sub cf::client::ext_event($$%) {	2860	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	2861	my ($self, $type, @msg) = @_;
2032		2862
		2863	if ($self->extcmd == 2) {
		2864	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2865	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	2866	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	2867	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2868	}
		2869	}
		2870
		2871	=item $client->ext_reply ($msgid, @msg)
		2872
		2873	Sends an ext reply to the client.
		2874
		2875	=cut
		2876
		2877	sub cf::client::ext_reply($$@) {
		2878	my ($self, $id, @msg) = @_;
		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2882	} elsif ($self->extcmd == 1) {
		2883	#TODO: version 1, remove
		2884	unshift @msg, msgtype => "reply", msgid => $id;
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2886	}
2035	}	2887	}
2036		2888
2037	=item $success = $client->query ($flags, "text", \&cb)	2889	=item $success = $client->query ($flags, "text", \&cb)
2038		2890
2039	Queues a query to the client, calling the given callback with	2891	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>,	2892	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>.	2893	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2894
2043	Queries can fail, so check the return code. Or don't, as queries will become	2895	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	2896	become reliable at some point in the future.
2045		2897
2046	=cut	2898	=cut
2047		2899
2048	sub cf::client::query {	2900	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2901	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2909	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2910	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2911
2060	$self->send_packet ($self->{query_queue}[0][0])	2912	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2913	if @{ $self->{query_queue} } == 1;
		2914
		2915	1
2062	}	2916	}
2063		2917
2064	cf::client->attach (	2918	cf::client->attach (
		2919	on_connect => sub {
		2920	my ($ns) = @_;
		2921
		2922	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2923	},
2065	on_reply => sub {	2924	on_reply => sub {
2066	my ($ns, $msg) = @_;	2925	my ($ns, $msg) = @_;
2067		2926
2068	# this weird shuffling is so that direct followup queries	2927	# this weird shuffling is so that direct followup queries
2069	# get handled first	2928	# get handled first
…		…
2081	} else {	2940	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2941	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	2942	}
2084	}	2943	}
2085	},	2944	},
		2945	on_exticmd => sub {
		2946	my ($ns, $buf) = @_;
		2947
		2948	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2949
		2950	if (ref $msg) {
		2951	my ($type, $reply, @payload) =
		2952	"ARRAY" eq ref $msg
		2953	? @$msg
		2954	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2955
		2956	my @reply;
		2957
		2958	if (my $cb = $EXTICMD{$type}) {
		2959	@reply = $cb->($ns, @payload);
		2960	}
		2961
		2962	$ns->ext_reply ($reply, @reply)
		2963	if $reply;
		2964
		2965	} else {
		2966	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2967	}
		2968
		2969	cf::override;
		2970	},
2086	);	2971	);
2087		2972
2088	=item $client->async (\&cb)	2973	=item $client->async (\&cb)
2089		2974
2090	Create a new coroutine, running the specified callback. The coroutine will	2975	Create a new coroutine, running the specified callback. The coroutine will
…		…
2131	our $safe = new Safe "safe";	3016	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3017	our $safe_hole = new Safe::Hole;
2133		3018
2134	$SIG{FPE} = 'IGNORE';	3019	$SIG{FPE} = 'IGNORE';
2135		3020
2136	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3021	$safe->permit_only (Opcode::opset qw(
		3022	:base_core :base_mem :base_orig :base_math
		3023	grepstart grepwhile mapstart mapwhile
		3024	sort time
		3025	));
2137		3026
2138	# here we export the classes and methods available to script code	3027	# here we export the classes and methods available to script code
2139		3028
2140	=pod	3029	=pod
2141		3030
2142	The following functions and methods are available within a safe environment:	3031	The following functions and methods are available within a safe environment:
2143		3032
2144	cf::object contr pay_amount pay_player map	3033	cf::object
		3034	contr pay_amount pay_player map x y force_find force_add destroy
		3035	insert remove name archname title slaying race decrease_ob_nr
		3036
2145	cf::object::player player	3037	cf::object::player
2146	cf::player peaceful	3038	player
2147	cf::map trigger	3039
		3040	cf::player
		3041	peaceful
		3042
		3043	cf::map
		3044	trigger
2148		3045
2149	=cut	3046	=cut
2150		3047
2151	for (	3048	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	3049	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3050	insert remove inv name archname title slaying race
		3051	decrease_ob_nr destroy)],
2153	["cf::object::player" => qw(player)],	3052	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3053	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	3054	["cf::map" => qw(trigger)],
2156	) {	3055	) {
2157	no strict 'refs';	3056	no strict 'refs';
…		…
2228	=back	3127	=back
2229		3128
2230	=cut	3129	=cut
2231		3130
2232	#############################################################################	3131	#############################################################################
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	3132	# the server's init and main functions
2306		3133
2307	sub load_facedata {	3134	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	3135	my ($path) = @_;
		3136
		3137	# HACK to clear player env face cache, we need some signal framework
		3138	# for this (global event?)
		3139	%ext::player_env::MUSIC_FACE_CACHE = ();
		3140
		3141	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2309		3142
2310	warn "loading facedata from $path\n";	3143	warn "loading facedata from $path\n";
2311		3144
2312	my $faces;	3145	my $facedata;
2313	0 < aio_load $path, $faces	3146	0 < aio_load $path, $facedata
2314	or die "$path: $!";	3147	or die "$path: $!";
2315		3148
2316	Coro::cede;
2317	$faces = Storable::thaw $faces;	3149	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		3150
2320	my $meta = delete $faces->{""};
2321	$meta->{version} == 1	3151	$facedata->{version} == 2
2322	or cf::cleanup "$path: version mismatch, cannot proceed.";	3152	or cf::cleanup "$path: version mismatch, cannot proceed.";
2323		3153
		3154	# patch in the exptable
		3155	$facedata->{resource}{"res/exp_table"} = {
		3156	type => FT_RSRC,
		3157	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3158	};
		3159	cf::cede_to_tick;
		3160
		3161	{
		3162	my $faces = $facedata->{faceinfo};
		3163
2324	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3165	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3166
		3167	cf::face::set_visibility $idx, $info->{visibility};
		3168	cf::face::set_magicmap $idx, $info->{magicmap};
2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3169	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3170	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2329	Coro::cede;
2330	}
2331		3171
		3172	cf::cede_to_tick;
		3173	}
		3174
2332	while (my ($face, $info) = each %$faces) {	3175	while (my ($face, $info) = each %$faces) {
2333	next unless $info->{smooth};	3176	next unless $info->{smooth};
		3177
2334	my $idx = cf::face::find $face	3178	my $idx = cf::face::find $face
2335	or next;	3179	or next;
		3180
2336	if (my $smooth = cf::face::find $info->{smooth}) {	3181	if (my $smooth = cf::face::find $info->{smooth}) {
2337	cf::face::set_smooth $idx, $smooth;	3182	cf::face::set_smooth $idx, $smooth;
		3183	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2338	} else {	3184	} else {
2339	warn "smooth face '$info->{smooth}' not found for face '$face'";	3185	warn "smooth face '$info->{smooth}' not found for face '$face'";
2340	}	3186	}
2341	Coro::cede;	3187
		3188	cf::cede_to_tick;
		3189	}
		3190	}
		3191
2342	}	3192	{
		3193	my $anims = $facedata->{animinfo};
		3194
		3195	while (my ($anim, $info) = each %$anims) {
		3196	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3197	cf::cede_to_tick;
		3198	}
		3199
		3200	cf::anim::invalidate_all; # d'oh
		3201	}
		3202
		3203	{
		3204	# TODO: for gcfclient pleasure, we should give resources
		3205	# that gcfclient doesn't grok a >10000 face index.
		3206	my $res = $facedata->{resource};
		3207
		3208	while (my ($name, $info) = each %$res) {
		3209	if (defined $info->{type}) {
		3210	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3211	my $data;
		3212
		3213	if ($info->{type} & 1) {
		3214	# prepend meta info
		3215
		3216	my $meta = $enc->encode ({
		3217	name => $name,
		3218	%{ $info->{meta} || {} },
		3219	});
		3220
		3221	$data = pack "(w/a*)*", $meta, $info->{data};
		3222	} else {
		3223	$data = $info->{data};
		3224	}
		3225
		3226	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3227	cf::face::set_type $idx, $info->{type};
		3228	} else {
		3229	$RESOURCE{$name} = $info;
		3230	}
		3231
		3232	cf::cede_to_tick;
		3233	}
		3234	}
		3235
		3236	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2343		3237
2344	1	3238	1
2345	}	3239	}
2346		3240
		3241	cf::global->attach (on_resource_update => sub {
		3242	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3243	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3244
		3245	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3246	my $sound = $soundconf->{compat}[$_]
		3247	or next;
		3248
		3249	my $face = cf::face::find "sound/$sound->[1]";
		3250	cf::sound::set $sound->[0] => $face;
		3251	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3252	}
		3253
		3254	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3255	my $face = cf::face::find "sound/$v";
		3256	cf::sound::set $k => $face;
		3257	}
		3258	}
		3259	});
		3260
		3261	register_exticmd fx_want => sub {
		3262	my ($ns, $want) = @_;
		3263
		3264	while (my ($k, $v) = each %$want) {
		3265	$ns->fx_want ($k, $v);
		3266	}
		3267	};
		3268
		3269	sub reload_regions {
		3270	# HACK to clear player env face cache, we need some signal framework
		3271	# for this (global event?)
		3272	%ext::player_env::MUSIC_FACE_CACHE = ();
		3273
		3274	load_resource_file "$MAPDIR/regions"
		3275	or die "unable to load regions file\n";
		3276
		3277	for (cf::region::list) {
		3278	$_->{match} = qr/$_->{match}/
		3279	if exists $_->{match};
		3280	}
		3281	}
		3282
		3283	sub reload_facedata {
		3284	load_facedata "$DATADIR/facedata"
		3285	or die "unable to load facedata\n";
		3286	}
		3287
		3288	sub reload_archetypes {
		3289	load_resource_file "$DATADIR/archetypes"
		3290	or die "unable to load archetypes\n";
		3291	#d# NEED to laod twice to resolve forward references
		3292	# this really needs to be done in an extra post-pass
		3293	# (which needs to be synchronous, so solve it differently)
		3294	load_resource_file "$DATADIR/archetypes"
		3295	or die "unable to load archetypes\n";
		3296	}
		3297
		3298	sub reload_treasures {
		3299	load_resource_file "$DATADIR/treasures"
		3300	or die "unable to load treasurelists\n";
		3301	}
		3302
2347	sub reload_resources {	3303	sub reload_resources {
2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3304	warn "reloading resource files...\n";
2349	or die "unable to load regions file\n";#d#	3305
		3306	reload_regions;
2350	load_facedata	3307	reload_facedata;
2351	or die "unable to load facedata\n";#d#	3308	#reload_archetypes;#d#
		3309	reload_archetypes;
		3310	reload_treasures;
		3311
		3312	warn "finished reloading resource files\n";
2352	}	3313	}
2353		3314
2354	sub init {	3315	sub init {
2355	reload_resources;	3316	reload_resources;
2356	}	3317	}
2357		3318
2358	sub cfg_load {	3319	sub reload_config {
2359	open my $fh, "<:utf8", cf::confdir . "/config"	3320	open my $fh, "<:utf8", "$CONFDIR/config"
2360	or return;	3321	or return;
2361		3322
2362	local $/;	3323	local $/;
2363	*CFG = YAML::Syck::Load <$fh>;	3324	*CFG = YAML::Load <$fh>;
2364		3325
2365	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3326	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2366		3327
2367	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3328	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2368	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3329	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2379	sub main {	3340	sub main {
2380	# we must not ever block the main coroutine	3341	# we must not ever block the main coroutine
2381	local $Coro::idle = sub {	3342	local $Coro::idle = sub {
2382	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3343	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2383	(async {	3344	(async {
2384	Event::one_event;	3345	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3346	EV::loop EV::LOOP_ONESHOT;
2385	})->prio (Coro::PRIO_MAX);	3347	})->prio (Coro::PRIO_MAX);
2386	};	3348	};
2387		3349
2388	cfg_load;	3350	reload_config;
2389	db_init;	3351	db_init;
2390	load_extensions;	3352	load_extensions;
2391		3353
2392	$TICK_WATCHER->start;	3354	$TICK_WATCHER->start;
		3355	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2393	Event::loop;	3356	EV::loop;
2394	}	3357	}
2395		3358
2396	#############################################################################	3359	#############################################################################
2397	# initialisation and cleanup	3360	# initialisation and cleanup
2398		3361
2399	# install some emergency cleanup handlers	3362	# install some emergency cleanup handlers
2400	BEGIN {	3363	BEGIN {
		3364	our %SIGWATCHER = ();
2401	for my $signal (qw(INT HUP TERM)) {	3365	for my $signal (qw(INT HUP TERM)) {
2402	Event->signal (	3366	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2403	reentrant => 0,
2404	data => WF_AUTOCANCEL,
2405	signal => $signal,
2406	prio => 0,
2407	cb => sub {
2408	cf::cleanup "SIG$signal";	3367	cf::cleanup "SIG$signal";
2409	},
2410	);	3368	};
		3369	}
		3370	}
		3371
		3372	sub write_runtime {
		3373	my $runtime = "$LOCALDIR/runtime";
		3374
		3375	# first touch the runtime file to show we are still running:
		3376	# the fsync below can take a very very long time.
		3377
		3378	IO::AIO::aio_utime $runtime, undef, undef;
		3379
		3380	my $guard = cf::lock_acquire "write_runtime";
		3381
		3382	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3383	or return;
		3384
		3385	my $value = $cf::RUNTIME + 90 + 10;
		3386	# 10 is the runtime save interval, for a monotonic clock
		3387	# 60 allows for the watchdog to kill the server.
		3388
		3389	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3390	and return;
		3391
		3392	# always fsync - this file is important
		3393	aio_fsync $fh
		3394	and return;
		3395
		3396	# touch it again to show we are up-to-date
		3397	aio_utime $fh, undef, undef;
		3398
		3399	close $fh
		3400	or return;
		3401
		3402	aio_rename "$runtime~", $runtime
		3403	and return;
		3404
		3405	warn "runtime file written.\n";
		3406
2411	}	3407	1
2412	}	3408	}
2413		3409
2414	sub emergency_save() {	3410	sub emergency_save() {
2415	my $freeze_guard = cf::freeze_mainloop;	3411	my $freeze_guard = cf::freeze_mainloop;
2416		3412
…		…
2422	# and maps saved/destroyed asynchronously.	3418	# and maps saved/destroyed asynchronously.
2423	warn "begin emergency player save\n";	3419	warn "begin emergency player save\n";
2424	for my $login (keys %cf::PLAYER) {	3420	for my $login (keys %cf::PLAYER) {
2425	my $pl = $cf::PLAYER{$login} or next;	3421	my $pl = $cf::PLAYER{$login} or next;
2426	$pl->valid or next;	3422	$pl->valid or next;
		3423	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2427	$pl->save;	3424	$pl->save;
2428	}	3425	}
2429	warn "end emergency player save\n";	3426	warn "end emergency player save\n";
2430		3427
2431	warn "begin emergency map save\n";	3428	warn "begin emergency map save\n";
…		…
2449		3446
2450	warn Carp::longmess "post_cleanup backtrace"	3447	warn Carp::longmess "post_cleanup backtrace"
2451	if $make_core;	3448	if $make_core;
2452	}	3449	}
2453		3450
2454	sub reload() {	3451	sub do_reload_perl() {
2455	# can/must only be called in main	3452	# can/must only be called in main
2456	if ($Coro::current != $Coro::main) {	3453	if ($Coro::current != $Coro::main) {
2457	warn "can only reload from main coroutine";	3454	warn "can only reload from main coroutine";
2458	return;	3455	return;
2459	}	3456	}
…		…
2470	warn "syncing database to disk";	3467	warn "syncing database to disk";
2471	BDB::db_env_txn_checkpoint $DB_ENV;	3468	BDB::db_env_txn_checkpoint $DB_ENV;
2472		3469
2473	# if anything goes wrong in here, we should simply crash as we already saved	3470	# if anything goes wrong in here, we should simply crash as we already saved
2474		3471
2475	warn "cancelling all WF_AUTOCANCEL watchers";
2476	for (Event::all_watchers) {
2477	$_->cancel if $_->data & WF_AUTOCANCEL;
2478	}
2479
2480	warn "flushing outstanding aio requests";	3472	warn "flushing outstanding aio requests";
2481	for (;;) {	3473	for (;;) {
2482	BDB::flush;	3474	BDB::flush;
2483	IO::AIO::flush;	3475	IO::AIO::flush;
2484	Coro::cede;	3476	Coro::cede_notself;
2485	last unless IO::AIO::nreqs || BDB::nreqs;	3477	last unless IO::AIO::nreqs || BDB::nreqs;
2486	warn "iterate...";	3478	warn "iterate...";
2487	}	3479	}
2488		3480
2489	++$RELOAD;	3481	++$RELOAD;
…		…
2493	%EXT_CORO = ();	3485	%EXT_CORO = ();
2494		3486
2495	warn "removing commands";	3487	warn "removing commands";
2496	%COMMAND = ();	3488	%COMMAND = ();
2497		3489
2498	warn "removing ext commands";	3490	warn "removing ext/exti commands";
2499	%EXTCMD = ();	3491	%EXTCMD = ();
		3492	%EXTICMD = ();
2500		3493
2501	warn "unloading/nuking all extensions";	3494	warn "unloading/nuking all extensions";
2502	for my $pkg (@EXTS) {	3495	for my $pkg (@EXTS) {
2503	warn "... unloading $pkg";	3496	warn "... unloading $pkg";
2504		3497
…		…
2534	Symbol::delete_package "safe::$_"	3527	Symbol::delete_package "safe::$_"
2535	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2536		3529
2537	warn "unloading cf.pm \"a bit\"";	3530	warn "unloading cf.pm \"a bit\"";
2538	delete $INC{"cf.pm"};	3531	delete $INC{"cf.pm"};
		3532	delete $INC{"cf/pod.pm"};
2539		3533
2540	# don't, removes xs symbols, too,	3534	# don't, removes xs symbols, too,
2541	# and global variables created in xs	3535	# and global variables created in xs
2542	#Symbol::delete_package __PACKAGE__;	3536	#Symbol::delete_package __PACKAGE__;
2543		3537
…		…
2546	warn "reloading cf.pm";	3540	warn "reloading cf.pm";
2547	require cf;	3541	require cf;
2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3542	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2549		3543
2550	warn "loading config and database again";	3544	warn "loading config and database again";
2551	cf::cfg_load;	3545	cf::reload_config;
2552		3546
2553	warn "loading extensions";	3547	warn "loading extensions";
2554	cf::load_extensions;	3548	cf::load_extensions;
2555		3549
2556	warn "reattaching attachments to objects/players";	3550	warn "reattaching attachments to objects/players";
…		…
2558	warn "reattaching attachments to maps";	3552	warn "reattaching attachments to maps";
2559	reattach $_ for values %MAP;	3553	reattach $_ for values %MAP;
2560	warn "reattaching attachments to players";	3554	warn "reattaching attachments to players";
2561	reattach $_ for values %PLAYER;	3555	reattach $_ for values %PLAYER;
2562		3556
2563	warn "loading reloadable resources";
2564	reload_resources;
2565
2566	warn "leaving sync_job";	3557	warn "leaving sync_job";
2567		3558
2568	1	3559	1
2569	} or do {	3560	} or do {
2570	warn $@;	3561	warn $@;
2571	warn "error while reloading, exiting.";	3562	cf::cleanup "error while reloading, exiting.";
2572	exit 1;
2573	};	3563	};
2574		3564
2575	warn "reloaded";	3565	warn "reloaded";
2576	};	3566	};
2577		3567
2578	our $RELOAD_WATCHER; # used only during reload	3568	our $RELOAD_WATCHER; # used only during reload
2579		3569
		3570	sub reload_perl() {
		3571	# doing reload synchronously and two reloads happen back-to-back,
		3572	# coro crashes during coro_state_free->destroy here.
		3573
		3574	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3575	do_reload_perl;
		3576	undef $RELOAD_WATCHER;
		3577	};
		3578	}
		3579
2580	register_command "reload" => sub {	3580	register_command "reload" => sub {
2581	my ($who, $arg) = @_;	3581	my ($who, $arg) = @_;
2582		3582
2583	if ($who->flag (FLAG_WIZ)) {	3583	if ($who->flag (FLAG_WIZ)) {
2584	$who->message ("reloading server.");	3584	$who->message ("reloading server.");
2585		3585	async {
2586	# doing reload synchronously and two reloads happen back-to-back,	3586	$Coro::current->{desc} = "perl_reload";
2587	# coro crashes during coro_state_free->destroy here.
2588
2589	$RELOAD_WATCHER ||= Event->timer (
2590	reentrant => 0,
2591	after => 0,
2592	data => WF_AUTOCANCEL,
2593	cb => sub {
2594	reload;	3587	reload_perl;
2595	undef $RELOAD_WATCHER;
2596	},
2597	);	3588	};
2598	}	3589	}
2599	};	3590	};
2600		3591
2601	unshift @INC, $LIBDIR;	3592	unshift @INC, $LIBDIR;
2602		3593
2603	my $bug_warning = 0;	3594	my $bug_warning = 0;
2604		3595
2605	$TICK_WATCHER = Event->timer (	3596	our @WAIT_FOR_TICK;
2606	reentrant => 0,	3597	our @WAIT_FOR_TICK_BEGIN;
2607	parked => 1,	3598
2608	prio => 0,	3599	sub wait_for_tick {
2609	at => $NEXT_TICK || $TICK,	3600	return unless $TICK_WATCHER->is_active;
2610	data => WF_AUTOCANCEL,	3601	return if $Coro::current == $Coro::main;
2611	cb => sub {	3602
		3603	my $signal = new Coro::Signal;
		3604	push @WAIT_FOR_TICK, $signal;
		3605	$signal->wait;
		3606	}
		3607
		3608	sub wait_for_tick_begin {
		3609	return unless $TICK_WATCHER->is_active;
		3610	return if $Coro::current == $Coro::main;
		3611
		3612	my $signal = new Coro::Signal;
		3613	push @WAIT_FOR_TICK_BEGIN, $signal;
		3614	$signal->wait;
		3615	}
		3616
		3617	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2612	if ($Coro::current != $Coro::main) {	3618	if ($Coro::current != $Coro::main) {
2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3619	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614	unless ++$bug_warning > 10;	3620	unless ++$bug_warning > 10;
2615	return;	3621	return;
2616	}	3622	}
2617		3623
2618	$NOW = Event::time;	3624	$NOW = $tick_start = EV::now;
2619		3625
2620	cf::server_tick; # one server iteration	3626	cf::server_tick; # one server iteration
		3627
2621	$RUNTIME += $TICK;	3628	$RUNTIME += $TICK;
2622	$NEXT_TICK += $TICK;	3629	$NEXT_TICK = $_[0]->at;
2623		3630
2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3631	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625	$NEXT_RUNTIME_WRITE = $NOW + 10;	3632	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2626	Coro::async_pool {	3633	Coro::async_pool {
		3634	$Coro::current->{desc} = "runtime saver";
2627	write_runtime	3635	write_runtime
2628	or warn "ERROR: unable to write runtime file: $!";	3636	or warn "ERROR: unable to write runtime file: $!";
2629	};
2630	}	3637	};
2631
2632	$WAIT_FOR_TICK->broadcast;
2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635	# my $AFTER = Event::time;
2636	# warn $AFTER - $NOW;#d#
2637
2638	# if we are delayed by four ticks or more, skip them all
2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2640
2641	$TICK_WATCHER->at ($NEXT_TICK);
2642	$TICK_WATCHER->start;
2643	},	3638	}
2644	);	3639
		3640	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3641	$sig->send;
		3642	}
		3643	while (my $sig = shift @WAIT_FOR_TICK) {
		3644	$sig->send;
		3645	}
		3646
		3647	$LOAD = ($NOW - $tick_start) / $TICK;
		3648	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3649
		3650	_post_tick;
		3651	};
		3652	$TICK_WATCHER->priority (EV::MAXPRI);
2645		3653
2646	{	3654	{
2647	BDB::max_poll_time $TICK * 0.1;	3655	# configure BDB
2648	$BDB_POLL_WATCHER = Event->io (	3656
2649	reentrant => 0,
2650	fd => BDB::poll_fileno,
2651	poll => 'r',
2652	prio => 0,
2653	data => WF_AUTOCANCEL,
2654	cb => \&BDB::poll_cb,
2655	);
2656	BDB::min_parallel 8;	3657	BDB::min_parallel 8;
2657		3658	BDB::max_poll_reqs $TICK * 0.1;
2658	BDB::set_sync_prepare {	3659	$Coro::BDB::WATCHER->priority (1);
2659	my $status;
2660	my $current = $Coro::current;
2661	(
2662	sub {
2663	$status = $!;
2664	$current->ready; undef $current;
2665	},
2666	sub {
2667	Coro::schedule while defined $current;
2668	$! = $status;
2669	},
2670	)
2671	};
2672		3660
2673	unless ($DB_ENV) {	3661	unless ($DB_ENV) {
2674	$DB_ENV = BDB::db_env_create;	3662	$DB_ENV = BDB::db_env_create;
		3663	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3664	| BDB::LOG_AUTOREMOVE, 1);
		3665	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3666	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2675		3667
2676	cf::sync_job {	3668	cf::sync_job {
2677	eval {	3669	eval {
2678	BDB::db_env_open	3670	BDB::db_env_open
2679	$DB_ENV,	3671	$DB_ENV,
2680	$BDB_ENV_DIR,	3672	$BDBDIR,
2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3673	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3674	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683	0666;	3675	0666;
2684		3676
2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3677	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2686
2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688	$DB_ENV->set_lk_detect;
2689	};	3678	};
2690		3679
2691	cf::cleanup "db_env_open(db): $@" if $@;	3680	cf::cleanup "db_env_open(db): $@" if $@;
2692	};	3681	};
2693	}	3682	}
		3683
		3684	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3685	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3686	};
		3687	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3688	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3689	};
		3690	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3691	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3692	};
2694	}	3693	}
2695		3694
2696	{	3695	{
		3696	# configure IO::AIO
		3697
2697	IO::AIO::min_parallel 8;	3698	IO::AIO::min_parallel 8;
2698
2699	undef $Coro::AIO::WATCHER;
2700	IO::AIO::max_poll_time $TICK * 0.1;	3699	IO::AIO::max_poll_time $TICK * 0.1;
2701	$AIO_POLL_WATCHER = Event->io (	3700	$Coro::AIO::WATCHER->priority (1);
2702	reentrant => 0,
2703	data => WF_AUTOCANCEL,
2704	fd => IO::AIO::poll_fileno,
2705	poll => 'r',
2706	prio => 6,
2707	cb => \&IO::AIO::poll_cb,
2708	);
2709	}	3701	}
		3702
		3703	my $_log_backtrace;
		3704
		3705	sub _log_backtrace {
		3706	my ($msg, @addr) = @_;
		3707
		3708	$msg =~ s/\n//;
		3709
		3710	# limit the # of concurrent backtraces
		3711	if ($_log_backtrace < 2) {
		3712	++$_log_backtrace;
		3713	async {
		3714	$Coro::current->{desc} = "abt $msg";
		3715
		3716	my @bt = fork_call {
		3717	@addr = map { sprintf "%x", $_ } @addr;
		3718	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3719	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3720	or die "addr2line: $!";
		3721
		3722	my @funcs;
		3723	my @res = <$fh>;
		3724	chomp for @res;
		3725	while (@res) {
		3726	my ($func, $line) = splice @res, 0, 2, ();
		3727	push @funcs, "[$func] $line";
		3728	}
		3729
		3730	@funcs
		3731	};
		3732
		3733	LOG llevInfo, "[ABT] $msg\n";
		3734	LOG llevInfo, "[ABT] $_\n" for @bt;
		3735	--$_log_backtrace;
		3736	};
		3737	} else {
		3738	LOG llevInfo, "[ABT] $msg\n";
		3739	LOG llevInfo, "[ABT] [suppressed]\n";
		3740	}
		3741	}
		3742
		3743	# load additional modules
		3744	use cf::pod;
2710		3745
2711	END { cf::emergency_save }	3746	END { cf::emergency_save }
2712		3747
2713	1	3748	1
2714		3749

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