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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.208 by root, Mon Feb 12 00:27:20 2007 UTC vs.
Revision 1.410 by root, Tue Jan 15 12:02:24 2008 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use EV 1.86;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.32 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
19		26
		27	use JSON::XS 2.01 ();
20	use BDB ();	28	use BDB ();
21	use Data::Dumper;	29	use Data::Dumper;
22	use Digest::MD5;	30	use Digest::MD5;
23	use Fcntl;	31	use Fcntl;
		32	use YAML ();
24	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
25	use YAML::Syck ();
26	use Time::HiRes;	34	use Time::HiRes;
27	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
28		37
		38	# configure various modules to our taste
		39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
		41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	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
30		43
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		45
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		47
40	our %COMMAND = ();	48	our %COMMAND = ();
41	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
42		50
43	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
47		56
		57	our $RELOAD; # number of reloads so far
48	our @EVENT;	58	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		59
51	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(!)
52	our $TICK_WATCHER;	74	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	77	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		79
59	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	84	our $DB_ENV;
61		85
62	our %CFG;	86	our %CFG;
63		87
64	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
66		91
67	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		95
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		102
79	binmode STDOUT;	103	binmode STDOUT;
80	binmode STDERR;	104	binmode STDERR;
81		105
82	# read virtual server time, if available	106	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
87	}	111	}
88		112
89	mkdir cf::localdir;	113	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		115
96	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
97		117
98	sub cf::map::normalise;	118	sub cf::map::normalise;
99		119
…		…
110	=item $cf::RUNTIME	130	=item $cf::RUNTIME
111		131
112	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
113	every server tick.	133	every server tick.
114		134
115	=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
116		138
117	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		143
120	=item $cf::NOW	144	=item $cf::NOW
121		145
122	The time of the last (current) server tick.	146	The time of the last (current) server tick.
123		147
124	=item $cf::TICK	148	=item $cf::TICK
125		149
126	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	162	=item %cf::CFG
129		163
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	165	from wherever your confdir points to.
132		166
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		168
135	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
136	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
137	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.
138	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.
139		178
140	=back	179	=back
141		180
142	=cut	181	=cut
143		182
144	BEGIN {	183	BEGIN {
145	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	185	my $msg = join "", @_;
147	utf8::encode $msg;
148		186
149	$msg .= "\n"	187	$msg .= "\n"
150	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
151		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
152	LOG llevError, $msg;	192	LOG llevError, $msg;
153	};	193	};
154	}	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#?
155		210
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		218
163	# 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
164	# within the Safe compartment.	220	# within the Safe compartment.
165	for my $pkg (qw(	221	for my $pkg (qw(
166	cf::global cf::attachable	222	cf::global cf::attachable
…		…
171	)) {	227	)) {
172	no strict 'refs';	228	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	230	}
175		231
176	$Event::DIED = sub {	232	$EV::DIED = sub {
177	warn "error in event callback: @_";	233	warn "error in event callback: @_";
178	};	234	};
		235
		236	#############################################################################
179		237
180	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
181		239
182	=over 4	240	=over 4
183		241
…		…
202	$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;
203	$d	261	$d
204	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
205	}	263	}
206		264
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
210		266
211	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
212		268
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
221		270
222	Converts a perl data structure into its JSON representation.	271	Converts a perl data structure into its JSON representation.
223		272
224	=cut	273	=cut
225		274
226	sub to_json($) {	275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	276
228	JSON::Syck::Dump $_[0]	277	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	278	sub decode_json($) { $json_coder->decode ($_[0]) }
230		279
231	=item cf::lock_wait $string	280	=item cf::lock_wait $string
232		281
233	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
234		283
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	288	for example when the coroutine gets canceled), the lock is automatically
240	returned.	289	returned.
241		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
242	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
243	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
244		296
		297	=item $locked = cf::lock_active $string
		298
		299	Return true if the lock is currently active, i.e. somebody has locked it.
		300
245	=cut	301	=cut
246		302
247	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
248		305
249	sub lock_wait($) {	306	sub lock_wait($) {
250	my ($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#
251		313
252	# wait for lock, if any	314	# wait for lock, if any
253	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	317	Coro::schedule;
…		…
261		323
262	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
263	lock_wait $key;	325	lock_wait $key;
264		326
265	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
266		329
267	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
270	}	334	}
271	}	335	}
272		336
		337	sub lock_active($) {
		338	my ($key) = @_;
		339
		340	! ! $LOCK{$key}
		341	}
		342
273	sub freeze_mainloop {	343	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	344	return unless $TICK_WATCHER->is_active;
275		345
276	my $guard = Coro::guard {	346	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	347	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	348	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
282	$guard	350	$guard
		351	}
		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	$sig->wait;
283	}	424	}
284		425
285	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
286		427
287	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		433
293	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
294		435
295	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
296		437
297	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
300		442
301	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
304	fast or be very important.	446	fast or be very important.
…		…
307		449
308	sub sync_job(&) {	450	sub sync_job(&) {
309	my ($job) = @_;	451	my ($job) = @_;
310		452
311	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
		454	my $time = EV::time;
		455
312	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
314		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
315	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	462	# (but this is cancel-safe)
317	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
318		464
319	my $busy = 1;	465	my $busy = 1;
320	my @res;	466	my @res;
321		467
322	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	470	@res = eval { $job->() };
324	warn $@ if $@;	471	warn $@ if $@;
325	undef $busy;	472	undef $busy;
326	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
327		474
328	while ($busy) {	475	while ($busy) {
329	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
330	}	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
331		489
332	wantarray ? @res : $res[0]	490	wantarray ? @res : $res[0]
333	} else {	491	} else {
334	# we are in another coroutine, how wonderful, everything just works	492	# we are in another coroutine, how wonderful, everything just works
335		493
…		…
355	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
356		514
357	$coro	515	$coro
358	}	516	}
359		517
360	sub write_runtime {	518	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		519
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	520	Executes the given code block with the given arguments in a seperate
364	or return;	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.
365		524
366	my $value = $cf::RUNTIME + 90 + 10;	525	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		526
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	527	sub fork_call(&@) {
371	and return;	528	my ($cb, @args) = @_;
372		529
373	# always fsync - this file is important	530	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	531	# otherwise perl prematurely frees the stuff :/
375	and return;	532	# TODO: investigate and fix (likely this will be rather laborious)
376		533
377	close $fh	534	my @res = Coro::Util::fork_eval {
378	or return;	535	reset_signals;
		536	&$cb
		537	}, @args;
379		538
380	aio_rename "$runtime~", $runtime	539	wantarray ? @res : $res[-1]
381	and return;	540	}
382		541
		542	=item $value = cf::db_get $family => $key
		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($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
383	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		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"
		667	}
		668
		669	=item cf::datalog type => key => value, ...
		670
		671	Log a datalog packet of the given type with the given key-value pairs.
		672
		673	=cut
		674
		675	sub datalog($@) {
		676	my ($type, %kv) = @_;
		677	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	678	}
385		679
386	=back	680	=back
387		681
388	=cut	682	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
397		691
398	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>
399	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
400	crossfire+).	694	Deliantra).
401		695
402	=over 4	696	=over 4
403		697
404	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
405		699
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	862	$registry = $CB_TYPE[$object_type] ||= [];
569		863
570	} elsif ($type eq "subtype") {	864	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	865	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	866	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	867	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		868
575	} elsif ($type eq "package") {	869	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	870	my $pkg = shift @arg;
577		871
578	while (my ($name, $id) = each %cb_id) {	872	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
608	}	902	}
609		903
610	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
611	} else {	905	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	907	}
614		908
615	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
616	}	910	}
617		911
…		…
619	if (ref $_[0]) {	913	if (ref $_[0]) {
620	_object_attach @_;	914	_object_attach @_;
621	} else {	915	} else {
622	_attach shift->_attach_registry, @_;	916	_attach shift->_attach_registry, @_;
623	}	917	}
		918	_recalc_want;
624	};	919	};
625		920
626	# all those should be optimised	921	# all those should be optimised
627	sub cf::attachable::detach {	922	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	926	delete $obj->{_attachment}{$name};
632	reattach ($obj);	927	reattach ($obj);
633	} else {	928	} else {
634	Carp::croak "cannot, currently, detach class attachments";	929	Carp::croak "cannot, currently, detach class attachments";
635	}	930	}
		931	_recalc_want;
636	};	932	};
637		933
638	sub cf::attachable::attached {	934	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
640		936
…		…
655	";	951	";
656	die if $@;	952	die if $@;
657	}	953	}
658		954
659	our $override;	955	our $override;
660	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?
661		957
662	sub override {	958	sub override {
663	$override = 1;	959	$override = 1;
664	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
665	}	961	}
666		962
667	sub do_invoke {	963	sub do_invoke {
668	my $event = shift;	964	my $event = shift;
669	my $callbacks = shift;	965	my $callbacks = shift;
670		966
671	@invoke_results = ();	967	@INVOKE_RESULTS = ();
672		968
673	local $override;	969	local $override;
674		970
675	for (@$callbacks) {	971	for (@$callbacks) {
676	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
685	}	981	}
686		982
687	0	983	0
688	}	984	}
689		985
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		987
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		989
694	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
695		991
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		995
700	=back	996	=back
701		997
702	=cut	998	=cut
703		999
704	#############################################################################	1000	#############################################################################
705	# 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, $ob2
		1043	}
706		1044
707	sub reattach {	1045	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1047	my ($obj) = @_;
710		1048
…		…
731	cf::attachable->attach (	1069	cf::attachable->attach (
732	prio => -1000000,	1070	prio => -1000000,
733	on_instantiate => sub {	1071	on_instantiate => sub {
734	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
735		1073
736	$data = from_json $data;	1074	$data = decode_json $data;
737		1075
738	for (@$data) {	1076	for (@$data) {
739	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
740		1078
741	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1095	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
759		1097
760	sync_job {	1098	sync_job {
761	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
764		1103
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1107	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1108	close $fh;
770		1109
771	if (@$objs) {	1110	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1115	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1116	close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
779	}	1118	}
…		…
787	}	1126	}
788	} else {	1127	} else {
789	aio_unlink $filename;	1128	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
791	}	1130	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1131	};
799	}	1132	}
800		1133
801	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
803		1136
…		…
808		1141
809	sub object_thawer_load {	1142	sub object_thawer_load {
810	my ($filename) = @_;	1143	my ($filename) = @_;
811		1144
812	my ($data, $av);	1145	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1146
817	(aio_load $filename, $data) >= 0	1147	(aio_load $filename, $data) >= 0
818	or return;	1148	or return;
819		1149
820	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
822	or return;	1152	or return;
		1153
823	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
824	}	1156	}
825		1157
		1158	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
828	return ($data, $av);	1162	($data, $av)
829	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
830		1170
831	#############################################################################	1171	#############################################################################
832	# command handling &c	1172	# command handling &c
833		1173
834	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1188	}
849		1189
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1191
852	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.
853		1197
854	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
855	called.	1199	called.
856		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
857	=cut	1212	=cut
858		1213
859	sub register_extcmd {	1214	sub register_extcmd {
860	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
861		1216
862	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
863	}	1224	}
864		1225
865	cf::player->attach (	1226	cf::player->attach (
866	on_command => sub {	1227	on_command => sub {
867	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1237	cf::override;
877	},	1238	},
878	on_extcmd => sub {	1239	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
880		1241
881	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1243
883	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
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
889	} else {	1259	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1261	}
892		1262
893	cf::override;	1263	cf::override;
894	},	1264	},
895	);	1265	);
896		1266
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
932	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1272	next unless -r $path;
934	eval {	1273
935	load_extension $ext;	1274	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1275	my $base = $1;
		1276	my $pkg = $1;
		1277	$pkg =~ s/[^[:word:]]/_/g;
		1278	$pkg = "ext::$pkg";
		1279
		1280	open my $fh, "<:utf8", $path
		1281	or die "$path: $!";
		1282
		1283	my $source = do { local $/; <$fh> };
		1284
		1285	my %ext = (
		1286	path => $path,
		1287	base => $base,
		1288	pkg => $pkg,
		1289	);
		1290
		1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1293
		1294	$ext{source} =
		1295	"package $pkg; use strict; use utf8;\n"
		1296	. "#line 1 \"$path\"\n{\n"
		1297	. $source
		1298	. "\n};\n1";
		1299
		1300	$todo{$base} = \%ext;
		1301	}
		1302
		1303	my %done;
		1304	while (%todo) {
		1305	my $progress;
		1306
		1307	while (my ($k, $v) = each %todo) {
		1308	for (split /,\s*/, $v->{meta}{depends}) {
		1309	goto skip
		1310	unless exists $done{$_};
		1311	}
		1312
		1313	warn "... loading '$k' into '$v->{pkg}'\n";
		1314
		1315	unless (eval $v->{source}) {
		1316	my $msg = $@ ? "$v->{path}: $@\n"
		1317	: "$v->{base}: extension inactive.\n";
		1318
		1319	if (exists $v->{meta}{mandatory}) {
		1320	warn $msg;
		1321	warn "mandatory extension failed to load, exiting.\n";
		1322	exit 1;
		1323	}
		1324
		1325	warn $msg;
		1326	}
		1327
		1328	$done{$k} = delete $todo{$k};
		1329	push @EXTS, $v->{pkg};
		1330	$progress = 1;
936	1	1331	}
937	} or warn "$ext not loaded: $@";	1332
		1333	skip:
		1334	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1335	unless $progress;
		1336	}
938	}	1337	};
939	}	1338	}
940		1339
941	#############################################################################	1340	#############################################################################
942		1341
		1342	=back
		1343
943	=head2 CORE EXTENSIONS	1344	=head2 CORE EXTENSIONS
944		1345
945	Functions and methods that extend core crossfire objects.	1346	Functions and methods that extend core crossfire objects.
946		1347
947	=cut	1348	=cut
…		…
952		1353
953	=head3 cf::player	1354	=head3 cf::player
954		1355
955	=over 4	1356	=over 4
956		1357
		1358	=item cf::player::num_playing
		1359
		1360	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1361
		1362	=cut
		1363
		1364	sub num_playing {
		1365	scalar grep
		1366	$_->ob->map
		1367	&& !$_->hidden
		1368	&& !$_->ob->flag (cf::FLAG_WIZ),
		1369	cf::player::list
		1370	}
		1371
957	=item cf::player::find $login	1372	=item cf::player::find $login
958		1373
959	Returns the given player object, loading it if necessary (might block).	1374	Returns the given player object, loading it if necessary (might block).
960		1375
961	=cut	1376	=cut
962		1377
963	sub playerdir($) {	1378	sub playerdir($) {
964	cf::localdir	1379	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1380	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1381	}
970		1382
971	sub path($) {	1383	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1384	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1385
974	(playerdir $login) . "/$login.pl"	1386	(playerdir $login) . "/playerdata"
975	}	1387	}
976		1388
977	sub find_active($) {	1389	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1390	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1391	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1404	my $login = $_[0];
993		1405
994	my $guard = cf::lock_acquire "user_find:$login";	1406	my $guard = cf::lock_acquire "user_find:$login";
995		1407
996	$cf::PLAYER{$_[0]} || do {	1408	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1409	# rename old playerfiles to new ones
		1410	#TODO: remove when no longer required
		1411	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1412	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1413	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1414	aio_unlink +(playerdir $login) . "/$login.pl";
		1415
		1416	my $f = new_from_file cf::object::thawer path $login
998	or return;	1417	or return;
		1418
		1419	my $pl = cf::player::load_pl $f
		1420	or return;
		1421	local $cf::PLAYER_LOADING{$login} = $pl;
		1422	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1423	$cf::PLAYER{$login} = $pl
1000	}	1424	}
1001	}	1425	}
1002	}	1426	}
1003		1427
…		…
1013		1437
1014	aio_mkdir playerdir $pl, 0770;	1438	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1439	$pl->{last_save} = $cf::RUNTIME;
1016		1440
1017	$pl->save_pl ($path);	1441	$pl->save_pl ($path);
1018	Coro::cede;	1442	cf::cede_to_tick;
1019	}	1443	}
1020		1444
1021	sub new($) {	1445	sub new($) {
1022	my ($login) = @_;	1446	my ($login) = @_;
1023		1447
…		…
1029	$cf::PLAYER{$login} = $self;	1453	$cf::PLAYER{$login} = $self;
1030		1454
1031	$self	1455	$self
1032	}	1456	}
1033		1457
		1458	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1459
		1460	=cut
		1461
		1462	sub send_msg {
		1463	my $ns = shift->ns
		1464	or return;
		1465	$ns->send_msg (@_);
		1466	}
		1467
1034	=item $pl->quit_character	1468	=item $pl->quit_character
1035		1469
1036	Nukes the player without looking back. If logged in, the connection will	1470	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1471	be destroyed. May block for a long time.
1038		1472
1039	=cut	1473	=cut
1040		1474
1041	sub quit_character {	1475	sub quit_character {
1042	my ($pl) = @_;	1476	my ($pl) = @_;
		1477
		1478	my $name = $pl->ob->name;
1043		1479
1044	$pl->{deny_save} = 1;	1480	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1481	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1482
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1483	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1488	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1489	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1490	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1491	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1492	$pl->destroy;
		1493
		1494	my $prefix = qr<^~\Q$name\E/>;
		1495
		1496	# nuke player maps
		1497	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1498
1057	IO::AIO::aio_rmtree $temp;	1499	IO::AIO::aio_rmtree $temp;
		1500	}
		1501
		1502	=item $pl->kick
		1503
		1504	Kicks a player out of the game. This destroys the connection.
		1505
		1506	=cut
		1507
		1508	sub kick {
		1509	my ($pl, $kicker) = @_;
		1510
		1511	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1512	$pl->killer ("kicked");
		1513	$pl->ns->destroy;
1058	}	1514	}
1059		1515
1060	=item cf::player::list_logins	1516	=item cf::player::list_logins
1061		1517
1062	Returns am arrayref of all valid playernames in the system, can take a	1518	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1519	while and may block, so not sync_job-capable, ever.
1064		1520
1065	=cut	1521	=cut
1066		1522
1067	sub list_logins {	1523	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1524	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1525	or return [];
1070		1526
1071	my @logins;	1527	my @logins;
1072		1528
1073	for my $login (@$dirs) {	1529	for my $login (@$dirs) {
		1530	my $path = path $login;
		1531
		1532	# a .pst is a dead give-away for a valid player
		1533	unless (-e "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1534	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1535	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1536	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1537	}
1077		1538
1078	utf8::decode $login;	1539	utf8::decode $login;
1079	push @logins, $login;	1540	push @logins, $login;
1080	}	1541	}
1081		1542
…		…
1108	}	1569	}
1109		1570
1110	\@paths	1571	\@paths
1111	}	1572	}
1112		1573
		1574	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1575
		1576	Expand crossfire pod fragments into protocol xml.
		1577
		1578	=cut
		1579
		1580	use re 'eval';
		1581
		1582	my $group;
		1583	my $interior; $interior = qr{
		1584	# match a pod interior sequence sans C<< >>
		1585	(?:
		1586	\ (.*?)\ (?{ $group = $^N })
		1587	| < (??{$interior}) >
		1588	)
		1589	}x;
		1590
		1591	sub expand_cfpod {
		1592	my ($self, $pod) = @_;
		1593
		1594	my $xml;
		1595
		1596	while () {
		1597	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1598	$group = $1;
		1599
		1600	$group =~ s/&/&amp;/g;
		1601	$group =~ s/</&lt;/g;
		1602
		1603	$xml .= $group;
		1604	} elsif ($pod =~ m%\G
		1605	([BCGHITU])
		1606	<
		1607	(?:
		1608	([^<>]*) (?{ $group = $^N })
		1609	| < $interior >
		1610	)
		1611	>
		1612	%gcsx
		1613	) {
		1614	my ($code, $data) = ($1, $group);
		1615
		1616	if ($code eq "B") {
		1617	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1618	} elsif ($code eq "I") {
		1619	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1620	} elsif ($code eq "U") {
		1621	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1622	} elsif ($code eq "C") {
		1623	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1624	} elsif ($code eq "T") {
		1625	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1626	} elsif ($code eq "G") {
		1627	my ($male, $female) = split /\|/, $data;
		1628	$data = $self->gender ? $female : $male;
		1629	$xml .= expand_cfpod ($self, $data);
		1630	} elsif ($code eq "H") {
		1631	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1632	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1633	"")
		1634	[$self->{hintmode}];
		1635	} else {
		1636	$xml .= "error processing '$code($data)' directive";
		1637	}
		1638	} else {
		1639	if ($pod =~ /\G(.+)/) {
		1640	warn "parse error while expanding $pod (at $1)";
		1641	}
		1642	last;
		1643	}
		1644	}
		1645
		1646	for ($xml) {
		1647	# create single paragraphs (very hackish)
		1648	s/(?<=\S)\n(?=\w)/ /g;
		1649
		1650	# compress some whitespace
		1651	s/\s+\n/\n/g; # ws line-ends
		1652	s/\n\n+/\n/g; # double lines
		1653	s/^\n+//; # beginning lines
		1654	s/\n+$//; # ending lines
		1655	}
		1656
		1657	$xml
		1658	}
		1659
		1660	no re 'eval';
		1661
		1662	sub hintmode {
		1663	$_[0]{hintmode} = $_[1] if @_ > 1;
		1664	$_[0]{hintmode}
		1665	}
		1666
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1667	=item $player->ext_reply ($msgid, @msg)
1114		1668
1115	Sends an ext reply to the player.	1669	Sends an ext reply to the player.
1116		1670
1117	=cut	1671	=cut
1118		1672
1119	sub ext_reply($$$%) {	1673	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1674	my ($self, $id, @msg) = @_;
1121		1675
1122	$msg{msgid} = $id;	1676	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1677	}
1126		1678
1127	package cf;	1679	=item $player->ext_msg ($type, @msg)
		1680
		1681	Sends an ext event to the client.
		1682
		1683	=cut
		1684
		1685	sub ext_msg($$@) {
		1686	my ($self, $type, @msg) = @_;
		1687
		1688	$self->ns->ext_msg ($type, @msg);
		1689	}
		1690
		1691	=head3 cf::region
		1692
		1693	=over 4
		1694
		1695	=cut
		1696
		1697	package cf::region;
		1698
		1699	=item cf::region::find_by_path $path
		1700
		1701	Tries to decuce the likely region for a map knowing only its path.
		1702
		1703	=cut
		1704
		1705	sub find_by_path($) {
		1706	my ($path) = @_;
		1707
		1708	my ($match, $specificity);
		1709
		1710	for my $region (list) {
		1711	if ($region->{match} && $path =~ $region->{match}) {
		1712	($match, $specificity) = ($region, $region->specificity)
		1713	if $region->specificity > $specificity;
		1714	}
		1715	}
		1716
		1717	$match
		1718	}
1128		1719
1129	=back	1720	=back
1130
1131		1721
1132	=head3 cf::map	1722	=head3 cf::map
1133		1723
1134	=over 4	1724	=over 4
1135		1725
…		…
1190	my ($self, $merge) = @_;	1780	my ($self, $merge) = @_;
1191		1781
1192	# we have to keep some variables in memory intact	1782	# we have to keep some variables in memory intact
1193	local $self->{path};	1783	local $self->{path};
1194	local $self->{load_path};	1784	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1785
1198	$self->SUPER::thawer_merge ($merge);	1786	$self->SUPER::thawer_merge ($merge);
1199	}	1787	}
1200		1788
1201	sub normalise {	1789	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1836	$self->init; # pass $1 etc.
1249	return $self;	1837	return $self;
1250	}	1838	}
1251	}	1839	}
1252		1840
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1841	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1842	()
1255	}	1843	}
1256		1844
1257	sub init {	1845	sub init {
1258	my ($self) = @_;	1846	my ($self) = @_;
…		…
1273		1861
1274	# the original (read-only) location	1862	# the original (read-only) location
1275	sub load_path {	1863	sub load_path {
1276	my ($self) = @_;	1864	my ($self) = @_;
1277		1865
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1866	"$MAPDIR/$self->{path}.map"
1279	}	1867	}
1280		1868
1281	# the temporary/swap location	1869	# the temporary/swap location
1282	sub save_path {	1870	sub save_path {
1283	my ($self) = @_;	1871	my ($self) = @_;
1284		1872
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1874	"$TMPDIR/$path.map"
1287	}	1875	}
1288		1876
1289	# the unique path, undef == no special unique path	1877	# the unique path, undef == no special unique path
1290	sub uniq_path {	1878	sub uniq_path {
1291	my ($self) = @_;	1879	my ($self) = @_;
1292		1880
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1882	"$UNIQUEDIR/$path"
1295	}	1883	}
1296		1884
1297	# and all this just because we cannot iterate over	1885	# and all this just because we cannot iterate over
1298	# all maps in C++...	1886	# all maps in C++...
1299	sub change_all_map_light {	1887	sub change_all_map_light {
…		…
1301		1889
1302	$_->change_map_light ($change)	1890	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1891	for grep $_->outdoor, values %cf::MAP;
1304	}	1892	}
1305		1893
		1894	sub decay_objects {
		1895	my ($self) = @_;
		1896
		1897	return if $self->{deny_reset};
		1898
		1899	$self->do_decay_objects;
		1900	}
		1901
1306	sub unlink_save {	1902	sub unlink_save {
1307	my ($self) = @_;	1903	my ($self) = @_;
1308		1904
1309	utf8::encode (my $save = $self->save_path);	1905	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1906	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1907	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1908	}
1318		1909
1319	sub load_header_from($) {	1910	sub load_header_from($) {
1320	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1321		1912
1322	utf8::encode $path;	1913	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1915	or return;
		1916
		1917	$self->_load_header ($f)
		1918	or return;
		1919
		1920	local $MAP_LOADING{$self->{path}} = $self;
		1921	$f->resolve_delayed_derefs;
1328		1922
1329	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1330		1924
1331	1	1925	1
1332	}	1926	}
…		…
1371	$self->load_header_orig	1965	$self->load_header_orig
1372	or return;	1966	or return;
1373	$self->prepare_orig;	1967	$self->prepare_orig;
1374	}	1968	}
1375		1969
		1970	$self->{deny_reset} = 1
		1971	if $self->no_reset;
		1972
		1973	$self->default_region (cf::region::find_by_path $self->{path})
		1974	unless $self->default_region;
		1975
1376	1	1976	1
1377	}	1977	}
1378		1978
1379	sub find;	1979	sub find;
1380	sub find {	1980	sub find {
1381	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1382		1982
1383	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1384		1984
		1985	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1986	cf::lock_wait "map_find:$path";
1386		1987
1387	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";	1989	my $guard1 = cf::lock_acquire "map_find:$path";
		1990	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1991
1389	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
1390	or return;	1993	or return;
1391		1994
1392	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1393		1996
1394	$map->load_header	1997	$map->load_header
1395	or return;	1998	or return;
1396		1999
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2001	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard1;
		2004	undef $guard2;
1400	$map->reset;	2005	$map->reset;
1401	undef $guard;
1402	return find $path;	2006	return find $path;
1403	}	2007	}
1404		2008
1405	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
1406	}	2010	}
…		…
1413	my ($self) = @_;	2017	my ($self) = @_;
1414		2018
1415	local $self->{deny_reset} = 1; # loading can take a long time	2019	local $self->{deny_reset} = 1; # loading can take a long time
1416		2020
1417	my $path = $self->{path};	2021	my $path = $self->{path};
		2022
		2023	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2024	my $guard = cf::lock_acquire "map_data:$path";
1419		2025
		2026	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2027	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2028
1422	$self->in_memory (cf::MAP_LOADING);	2029	$self->in_memory (cf::MAP_LOADING);
1423		2030
1424	$self->alloc;	2031	$self->alloc;
1425		2032
1426	$self->pre_load;	2033	$self->pre_load;
		2034	cf::cede_to_tick;
1427		2035
1428	$self->_load_objects ($self->{load_path}, 1)	2036	my $f = new_from_file cf::object::thawer $self->{load_path};
		2037	$f->skip_block;
		2038	$self->_load_objects ($f)
1429	or return;	2039	or return;
1430		2040
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	2042	if delete $self->{load_original};
1433		2043
1434	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2045	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2046	unless (aio_stat $uniq) {
		2047	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2048	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2049	$self->_load_objects ($f);
		2050	$f->resolve_delayed_derefs;
		2051	}
1439	}	2052	}
1440	}	2053	}
1441		2054
1442	Coro::cede;	2055	$f->resolve_delayed_derefs;
1443		2056
		2057	cf::cede_to_tick;
1444	# now do the right thing for maps	2058	# now do the right thing for maps
1445	$self->link_multipart_objects;	2059	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2060	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2061	unless $self->difficulty;
1455	Coro::cede;	2062	cf::cede_to_tick;
		2063
		2064	unless ($self->{deny_activate}) {
		2065	$self->decay_objects;
		2066	$self->fix_auto_apply;
		2067	$self->update_buttons;
		2068	cf::cede_to_tick;
		2069	$self->set_darkness_map;
		2070	cf::cede_to_tick;
1456	$self->activate;	2071	$self->activate;
		2072	}
		2073
		2074	$self->{last_save} = $cf::RUNTIME;
		2075	$self->last_access ($cf::RUNTIME);
		2076
		2077	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	2078	}
1458		2079
1459	$self->post_load;	2080	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2081	}
1463		2082
1464	sub customise_for {	2083	sub customise_for {
1465	my ($self, $ob) = @_;	2084	my ($self, $ob) = @_;
1466		2085
1467	return find "~" . $ob->name . "/" . $self->{path}	2086	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2087	if $self->per_player;
1469		2088
		2089	# return find "?party/" . $ob->name . "/" . $self->{path}
		2090	# if $self->per_party;
		2091
1470	$self	2092	$self
1471	}	2093	}
1472		2094
1473	# find and load all maps in the 3x3 area around a map	2095	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2096	sub load_neighbours {
1475	my ($map) = @_;	2097	my ($map) = @_;
1476		2098
1477	my @diag; # diagonal neighbours	2099	my @neigh; # diagonal neighbours
1478		2100
1479	for (0 .. 3) {	2101	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2102	my $neigh = $map->tile_path ($_)
1481	or next;	2103	or next;
1482	$neigh = find $neigh, $map	2104	$neigh = find $neigh, $map
1483	or next;	2105	or next;
1484	$neigh->load;	2106	$neigh->load;
1485		2107
		2108	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2111	}
1489		2112
1490	for (@diag) {	2113	for (grep defined $_->[0], @neigh) {
		2114	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2115	my $neigh = find $path, $origin
1492	or next;	2116	or next;
1493	$neigh->load;	2117	$neigh->load;
1494	}	2118	}
1495	}	2119	}
1496		2120
…		…
1501	}	2125	}
1502		2126
1503	sub do_load_sync {	2127	sub do_load_sync {
1504	my ($map) = @_;	2128	my ($map) = @_;
1505		2129
		2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2131	if $Coro::current == $Coro::main;
		2132
1506	cf::sync_job { $map->load };	2133	cf::sync_job { $map->load };
1507	}	2134	}
1508		2135
1509	our %MAP_PREFETCH;	2136	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2137	our $MAP_PREFETCHER = undef;
1511		2138
1512	sub find_async {	2139	sub find_async {
1513	my ($path, $origin) = @_;	2140	my ($path, $origin, $load) = @_;
1514		2141
1515	$path = normalise $path, $origin && $origin->{path};	2142	$path = normalise $path, $origin && $origin->{path};
1516		2143
1517	if (my $map = $cf::MAP{$path}) {	2144	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2145	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2146	}
1520		2147
1521	undef $MAP_PREFETCH{$path};	2148	$MAP_PREFETCH{$path} |= $load;
		2149
1522	$MAP_PREFETCHER ||= cf::async {	2150	$MAP_PREFETCHER ||= cf::async {
		2151	$Coro::current->{desc} = "map prefetcher";
		2152
1523	while (%MAP_PREFETCH) {	2153	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2154	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2155	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2156	$map->load if $v;
		2157	}
1528		2158
1529	delete $MAP_PREFETCH{$path};	2159	delete $MAP_PREFETCH{$k};
1530	}	2160	}
1531	}	2161	}
1532	undef $MAP_PREFETCHER;	2162	undef $MAP_PREFETCHER;
1533	};	2163	};
1534	$MAP_PREFETCHER->prio (6);	2164	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2167	}
1538		2168
1539	sub save {	2169	sub save {
1540	my ($self) = @_;	2170	my ($self) = @_;
1541		2171
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2173
1544	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1545		2175
1546	return unless $self->dirty;	2176	return unless $self->dirty;
1547		2177
…		…
1553	return if $self->{deny_save};	2183	return if $self->{deny_save};
1554		2184
1555	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
1556		2186
1557	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
1559	};	2190	};
1560		2191
1561	if ($uniq) {	2192	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1570	my ($self) = @_;	2201	my ($self) = @_;
1571		2202
1572	# save first because save cedes	2203	# save first because save cedes
1573	$self->save;	2204	$self->save;
1574		2205
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2207
1577	return if $self->players;	2208	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2210	return if $self->{deny_save};
1580		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	$self->deactivate;
		2215	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2216	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2217	}
1584		2218
1585	sub reset_at {	2219	sub reset_at {
1586	my ($self) = @_;	2220	my ($self) = @_;
1587		2221
1588	# TODO: safety, remove and allow resettable per-player maps	2222	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2223	return 1e99 if $self->{deny_reset};
1591		2224
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2225	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2226	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2227
…		…
1605	my ($self) = @_;	2238	my ($self) = @_;
1606		2239
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2241
1609	return if $self->players;	2242	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2243
1612	warn "resetting map ", $self->path;#d#	2244	warn "resetting map ", $self->path;
		2245
		2246	$self->in_memory (cf::MAP_SWAPPED);
		2247
		2248	# need to save uniques path
		2249	unless ($self->{deny_save}) {
		2250	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2251
		2252	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2253	if $uniq;
		2254	}
1613		2255
1614	delete $cf::MAP{$self->path};	2256	delete $cf::MAP{$self->path};
1615		2257
1616	$self->in_memory (cf::MAP_SWAPPED);	2258	$self->deactivate;
		2259	$_->clear_links_to ($self) for values %cf::MAP;
1617	$self->clear;	2260	$self->clear;
1618
1619	$_->clear_links_to ($self) for values %cf::MAP;
1620		2261
1621	$self->unlink_save;	2262	$self->unlink_save;
1622	$self->destroy;	2263	$self->destroy;
1623	}	2264	}
1624		2265
1625	my $nuke_counter = "aaaa";	2266	my $nuke_counter = "aaaa";
1626		2267
1627	sub nuke {	2268	sub nuke {
1628	my ($self) = @_;	2269	my ($self) = @_;
1629		2270
		2271	{
		2272	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2273
1630	delete $cf::MAP{$self->path};	2274	delete $cf::MAP{$self->path};
1631		2275
1632	$self->unlink_save;	2276	$self->unlink_save;
1633		2277
1634	bless $self, "cf::map";	2278	bless $self, "cf::map";
1635	delete $self->{deny_reset};	2279	delete $self->{deny_reset};
1636	$self->{deny_save} = 1;	2280	$self->{deny_save} = 1;
1637	$self->reset_timeout (1);	2281	$self->reset_timeout (1);
1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639		2283
1640	$cf::MAP{$self->path} = $self;	2284	$cf::MAP{$self->path} = $self;
		2285	}
1641		2286
1642	$self->reset; # polite request, might not happen	2287	$self->reset; # polite request, might not happen
		2288	}
		2289
		2290	=item $maps = cf::map::tmp_maps
		2291
		2292	Returns an arrayref with all map paths of currently instantiated and saved
		2293	maps. May block.
		2294
		2295	=cut
		2296
		2297	sub tmp_maps() {
		2298	[
		2299	map {
		2300	utf8::decode $_;
		2301	/\.map$/
		2302	? normalise $_
		2303	: ()
		2304	} @{ aio_readdir $TMPDIR or [] }
		2305	]
		2306	}
		2307
		2308	=item $maps = cf::map::random_maps
		2309
		2310	Returns an arrayref with all map paths of currently instantiated and saved
		2311	random maps. May block.
		2312
		2313	=cut
		2314
		2315	sub random_maps() {
		2316	[
		2317	map {
		2318	utf8::decode $_;
		2319	/\.map$/
		2320	? normalise "?random/$_"
		2321	: ()
		2322	} @{ aio_readdir $RANDOMDIR or [] }
		2323	]
1643	}	2324	}
1644		2325
1645	=item cf::map::unique_maps	2326	=item cf::map::unique_maps
1646		2327
1647	Returns an arrayref of paths of all shared maps that have	2328	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2329	instantiated unique items. May block.
1649		2330
1650	=cut	2331	=cut
1651		2332
1652	sub unique_maps() {	2333	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2334	[
1654	or return;	2335	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2336	utf8::decode $_;
1660	next if /\.pst$/;	2337	/\.map$/
1661	next unless /^$PATH_SEP/o;	2338	? normalise $_
1662		2339	: ()
1663	push @paths, cf::map::normalise $_;	2340	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2341	]
1665
1666	\@paths
1667	}	2342	}
1668		2343
1669	package cf;	2344	package cf;
1670		2345
1671	=back	2346	=back
…		…
1689	map { $_, inv_recursive_ $_->inv } @_	2364	map { $_, inv_recursive_ $_->inv } @_
1690	}	2365	}
1691		2366
1692	sub inv_recursive {	2367	sub inv_recursive {
1693	inv_recursive_ inv $_[0]	2368	inv_recursive_ inv $_[0]
		2369	}
		2370
		2371	=item $ref = $ob->ref
		2372
		2373	creates and returns a persistent reference to an objetc that can be stored as a string.
		2374
		2375	=item $ob = cf::object::deref ($refstring)
		2376
		2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2378	even if the object actually exists. May block.
		2379
		2380	=cut
		2381
		2382	sub deref {
		2383	my ($ref) = @_;
		2384
		2385	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2386	my ($uuid, $name) = ($1, $2);
		2387	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2388	or return;
		2389	$pl->ob->uuid eq $uuid
		2390	or return;
		2391
		2392	$pl->ob
		2393	} else {
		2394	warn "$ref: cannot resolve object reference\n";
		2395	undef
		2396	}
1694	}	2397	}
1695		2398
1696	package cf;	2399	package cf;
1697		2400
1698	=back	2401	=back
…		…
1717		2420
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2421	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2422
1720	if ($self->{record_replies}) {	2423	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2424	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2425
1722	} else {	2426	} else {
		2427	my $pl = $self->contr;
		2428
		2429	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2430	my $dialog = $pl->{npc_dialog};
		2431	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2432
		2433	} else {
1723	$msg = $npc->name . " says: $msg" if $npc;	2434	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2435	$self->message ($msg, $flags);
		2436	}
1725	}	2437	}
		2438	}
		2439
		2440	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2441
		2442	=cut
		2443
		2444	sub cf::object::send_msg {
		2445	my $pl = shift->contr
		2446	or return;
		2447	$pl->send_msg (@_);
1726	}	2448	}
1727		2449
1728	=item $player_object->may ("access")	2450	=item $player_object->may ("access")
1729		2451
1730	Returns wether the given player is authorized to access resource "access"	2452	Returns wether the given player is authorized to access resource "access"
…		…
1777	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1778		2500
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2502
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1783		2505
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1785	}	2507	}
1786		2508
1787	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1789		2513
1790	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1791		2515
1792	unless ($map) {	2516	unless ($map) {
1793	# restore original map position	2517	# restore original map position
…		…
1807	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1808	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1809	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1810		2534
1811	$map->load;	2535	$map->load;
1812	$map->load_diag;	2536	$map->load_neighbours;
1813		2537
1814	return unless $self->contr->active;	2538	return unless $self->contr->active;
1815	$self->activate_recursive;	2539	$self->activate_recursive;
		2540
		2541	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816	$self->enter_map ($map, $x, $y);	2542	$self->enter_map ($map, $x, $y);
1817	}	2543	}
1818		2544
1819	cf::player->attach (	2545	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1820	on_logout => sub {
1821	my ($pl) = @_;
1822		2546
1823	# abort map switching before logout	2547	Moves the player to the given map-path and coordinates by first freezing
1824	if ($pl->ob->{_link_pos}) {	2548	her, loading and preparing them map, calling the provided $check callback
1825	cf::sync_job {	2549	that has to return the map if sucecssful, and then unfreezes the player on
1826	$pl->ob->leave_link	2550	the new (success) or old (failed) map position. In either case, $done will
1827	};	2551	be called at the end of this process.
1828	}
1829	},
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2552
1833	# try to abort aborted map switching on player login :)
1834	# should happen only on crashes
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850
1851	=item $player_object->goto ($path, $x, $y)
1852
1853	=cut	2553	=cut
		2554
		2555	our $GOTOGEN;
1854		2556
1855	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1856	my ($self, $path, $x, $y) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
		2559
		2560	# do generation counting so two concurrent goto's will be executed in-order
		2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1857		2562
1858	$self->enter_link;	2563	$self->enter_link;
1859		2564
1860	(async {	2565	(async {
		2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
1861	my $map = eval {	2587	my $map = eval {
1862	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
		2589
		2590	if ($map) {
1863	$map = $map->customise_for ($self) if $map;	2591	$map = $map->customise_for ($self);
		2592	$map = $check->($map) if $check && $map;
		2593	} else {
		2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	}
		2596
1864	$map	2597	$map
		2598	};
		2599
		2600	if ($@) {
		2601	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2602	LOG llevError | logBacktrace, Carp::longmess $@;
1865	} or	2603	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2604
		2605	if ($gen == $self->{_goto_generation}) {
		2606	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
		2608	}
		2609
		2610	$done->() if $done;
1869	})->prio (1);	2611	})->prio (1);
1870	}	2612	}
1871		2613
1872	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1873		2615
…		…
1910	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
1911	}	2653	}
1912		2654
1913	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
1914		2656
1915	my $data = cf::to_json $rmp;	2657	my $data = cf::encode_json $rmp;
1916	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
1918		2660
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2663	undef $fh;
1922	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
…		…
1931		2673
1932	return unless $self->type == cf::PLAYER;	2674	return unless $self->type == cf::PLAYER;
1933		2675
1934	if ($exit->slaying eq "/!") {	2676	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job	2677	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2678	# the problem is that $exit might not survive long enough
		2679	# so it needs to be done right now, right here
1936	cf::sync_job { prepare_random_map $exit };	2680	cf::sync_job { prepare_random_map $exit };
1937	}	2681	}
1938		2682
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2683	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;	2684	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;	2685	my $sp = $exit->stats->sp;
1942		2686
1943	$self->enter_link;	2687	$self->enter_link;
1944		2688
		2689	# if exit is damned, update players death & WoR home-position
		2690	$self->contr->savebed ($slaying, $hp, $sp)
		2691	if $exit->flag (FLAG_DAMNED);
		2692
1945	(async {	2693	(async {
		2694	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2695
1946	$self->deactivate_recursive; # just to be sure	2696	$self->deactivate_recursive; # just to be sure
1947	unless (eval {	2697	unless (eval {
1948	$self->goto ($slaying, $hp, $sp);	2698	$self->goto ($slaying, $hp, $sp);
1949		2699
1950	1;	2700	1;
1951	}) {	2701	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the crossfire server. "
1953	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
1954	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2706
1957	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2708	$self->leave_link;
1959	}	2709	}
1960	})->prio (1);	2710	})->prio (1);
…		…
1973		2723
1974	sub cf::client::send_drawinfo {	2724	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2725	my ($self, $text, $flags) = @_;
1976		2726
1977	utf8::encode $text;	2727	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2729	}
1980		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/uptime" => {
		2779	id => "infobox",
		2780	title => "Uptime",
		2781	reply => undef,
		2782	tooltip => "How long the server has been running since last restart",
		2783	},
		2784	"c/mapinfo" => {
		2785	id => "infobox",
		2786	title => "Map Info",
		2787	reply => undef,
		2788	tooltip => "Information related to the maps",
		2789	},
		2790	);
		2791
		2792	sub cf::client::send_msg {
		2793	my ($self, $channel, $msg, $color, @extra) = @_;
		2794
		2795	$msg = $self->pl->expand_cfpod ($msg);
		2796
		2797	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2798
		2799	# check predefined channels, for the benefit of C
		2800	if ($CHANNEL{$channel}) {
		2801	$channel = $CHANNEL{$channel};
		2802
		2803	$self->ext_msg (channel_info => $channel)
		2804	if $self->can_msg;
		2805
		2806	$channel = $channel->{id};
		2807
		2808	} elsif (ref $channel) {
		2809	# send meta info to client, if not yet sent
		2810	unless (exists $self->{channel}{$channel->{id}}) {
		2811	$self->{channel}{$channel->{id}} = $channel;
		2812	$self->ext_msg (channel_info => $channel)
		2813	if $self->can_msg;
		2814	}
		2815
		2816	$channel = $channel->{id};
		2817	}
		2818
		2819	return unless @extra || length $msg;
		2820
		2821	if ($self->can_msg) {
		2822	# default colour, mask it out
		2823	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2824	if $color & cf::NDI_DEF;
		2825
		2826	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2827	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2828	} else {
		2829	if ($color >= 0) {
		2830	# replace some tags by gcfclient-compatible ones
		2831	for ($msg) {
		2832	1 while
		2833	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2834	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2835	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2836	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2837	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2838	}
		2839
		2840	$color &= cf::NDI_COLOR_MASK;
		2841
		2842	utf8::encode $msg;
		2843
		2844	if (0 && $msg =~ /\[/) {
		2845	# COMMAND/INFO
		2846	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2847	} else {
		2848	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2849	$self->send_packet ("drawinfo $color $msg")
		2850	}
		2851	}
		2852	}
		2853	}
		2854
		2855	=item $client->ext_msg ($type, @msg)
		2856
		2857	Sends an ext event to the client.
		2858
		2859	=cut
		2860
		2861	sub cf::client::ext_msg($$@) {
		2862	my ($self, $type, @msg) = @_;
		2863
		2864	if ($self->extcmd == 2) {
		2865	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2866	} elsif ($self->extcmd == 1) { # TODO: remove
		2867	push @msg, msgtype => "event_$type";
		2868	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2869	}
		2870	}
		2871
		2872	=item $client->ext_reply ($msgid, @msg)
		2873
		2874	Sends an ext reply to the client.
		2875
		2876	=cut
		2877
		2878	sub cf::client::ext_reply($$@) {
		2879	my ($self, $id, @msg) = @_;
		2880
		2881	if ($self->extcmd == 2) {
		2882	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2883	} elsif ($self->extcmd == 1) {
		2884	#TODO: version 1, remove
		2885	unshift @msg, msgtype => "reply", msgid => $id;
		2886	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2887	}
		2888	}
1981		2889
1982	=item $success = $client->query ($flags, "text", \&cb)	2890	=item $success = $client->query ($flags, "text", \&cb)
1983		2891
1984	Queues a query to the client, calling the given callback with	2892	Queues a query to the client, calling the given callback with
1985	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2893	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1986	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2894	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1987		2895
1988	Queries can fail, so check the return code. Or don't, as queries will become	2896	Queries can fail, so check the return code. Or don't, as queries will
1989	reliable at some point in the future.	2897	become reliable at some point in the future.
1990		2898
1991	=cut	2899	=cut
1992		2900
1993	sub cf::client::query {	2901	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	2902	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	2910	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2911	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		2912
2005	$self->send_packet ($self->{query_queue}[0][0])	2913	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	2914	if @{ $self->{query_queue} } == 1;
		2915
		2916	1
2007	}	2917	}
2008		2918
2009	cf::client->attach (	2919	cf::client->attach (
		2920	on_connect => sub {
		2921	my ($ns) = @_;
		2922
		2923	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2924	},
2010	on_reply => sub {	2925	on_reply => sub {
2011	my ($ns, $msg) = @_;	2926	my ($ns, $msg) = @_;
2012		2927
2013	# this weird shuffling is so that direct followup queries	2928	# this weird shuffling is so that direct followup queries
2014	# get handled first	2929	# get handled first
…		…
2026	} else {	2941	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2942	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	2943	}
2029	}	2944	}
2030	},	2945	},
		2946	on_exticmd => sub {
		2947	my ($ns, $buf) = @_;
		2948
		2949	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2950
		2951	if (ref $msg) {
		2952	my ($type, $reply, @payload) =
		2953	"ARRAY" eq ref $msg
		2954	? @$msg
		2955	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2956
		2957	my @reply;
		2958
		2959	if (my $cb = $EXTICMD{$type}) {
		2960	@reply = $cb->($ns, @payload);
		2961	}
		2962
		2963	$ns->ext_reply ($reply, @reply)
		2964	if $reply;
		2965
		2966	} else {
		2967	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2968	}
		2969
		2970	cf::override;
		2971	},
2031	);	2972	);
2032		2973
2033	=item $client->async (\&cb)	2974	=item $client->async (\&cb)
2034		2975
2035	Create a new coroutine, running the specified callback. The coroutine will	2976	Create a new coroutine, running the specified callback. The coroutine will
…		…
2076	our $safe = new Safe "safe";	3017	our $safe = new Safe "safe";
2077	our $safe_hole = new Safe::Hole;	3018	our $safe_hole = new Safe::Hole;
2078		3019
2079	$SIG{FPE} = 'IGNORE';	3020	$SIG{FPE} = 'IGNORE';
2080		3021
2081	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3022	$safe->permit_only (Opcode::opset qw(
		3023	:base_core :base_mem :base_orig :base_math
		3024	grepstart grepwhile mapstart mapwhile
		3025	sort time
		3026	));
2082		3027
2083	# here we export the classes and methods available to script code	3028	# here we export the classes and methods available to script code
2084		3029
2085	=pod	3030	=pod
2086		3031
2087	The following fucntions and emthods are available within a safe environment:	3032	The following functions and methods are available within a safe environment:
2088		3033
2089	cf::object contr pay_amount pay_player map	3034	cf::object
		3035	contr pay_amount pay_player map x y force_find force_add destroy
		3036	insert remove name archname title slaying race decrease_ob_nr
		3037
2090	cf::object::player player	3038	cf::object::player
2091	cf::player peaceful	3039	player
2092	cf::map trigger	3040
		3041	cf::player
		3042	peaceful
		3043
		3044	cf::map
		3045	trigger
2093		3046
2094	=cut	3047	=cut
2095		3048
2096	for (	3049	for (
2097	["cf::object" => qw(contr pay_amount pay_player map)],	3050	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3051	insert remove inv name archname title slaying race
		3052	decrease_ob_nr destroy)],
2098	["cf::object::player" => qw(player)],	3053	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	3054	["cf::player" => qw(peaceful)],
2100	["cf::map" => qw(trigger)],	3055	["cf::map" => qw(trigger)],
2101	) {	3056	) {
2102	no strict 'refs';	3057	no strict 'refs';
…		…
2173	=back	3128	=back
2174		3129
2175	=cut	3130	=cut
2176		3131
2177	#############################################################################	3132	#############################################################################
2178
2179	=head2 EXTENSION DATABASE SUPPORT
2180
2181	Crossfire maintains a very simple database for extension use. It can
2182	currently store anything that can be serialised using Storable, which
2183	excludes objects.
2184
2185	The parameter C<$family> should best start with the name of the extension
2186	using it, it should be unique.
2187
2188	=over 4
2189
2190	=item $value = cf::db_get $family => $key
2191
2192	Returns a single value from the database.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family.
2197
2198	=cut
2199
2200	our $DB;
2201
2202	sub db_load() {
2203	unless ($DB) {
2204	$DB = BDB::db_create $DB_ENV;
2205
2206	cf::sync_job {
2207	eval {
2208	$DB->set_flags (BDB::CHKSUM);
2209
2210	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2211	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2212	cf::cleanup "db_open(db): $!" if $!;
2213	};
2214	cf::cleanup "db_open(db): $@" if $@;
2215	};
2216
2217	my $path = cf::localdir . "/database.pst";
2218	if (stat $path) {
2219	cf::sync_job {
2220	my $pst = Storable::retrieve $path;
2221
2222	cf::db_put (board => data => $pst->{board});
2223	cf::db_put (guildrules => data => $pst->{guildrules});
2224	cf::db_put (rent => balance => $pst->{rent}{balance});
2225	BDB::db_env_txn_checkpoint $DB_ENV;
2226
2227	unlink $path;
2228	};
2229	}
2230	}
2231	}
2232
2233	sub db_get($$) {
2234	my $key = "$_[0]/$_[1]";
2235
2236	cf::sync_job {
2237	BDB::db_get $DB, undef, $key, my $data;
2238
2239	$! ? ()
2240	: Compress::LZF::sthaw $data
2241	}
2242	}
2243
2244	sub db_put($$$) {
2245	BDB::dbreq_pri 4;
2246	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2247	}
2248
2249	#############################################################################
2250	# the server's init and main functions	3133	# the server's init and main functions
2251		3134
2252	sub load_resources {	3135	sub load_facedata($) {
2253	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3136	my ($path) = @_;
		3137
		3138	# HACK to clear player env face cache, we need some signal framework
		3139	# for this (global event?)
		3140	%ext::player_env::MUSIC_FACE_CACHE = ();
		3141
		3142	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3143
		3144	warn "loading facedata from $path\n";
		3145
		3146	my $facedata;
		3147	0 < aio_load $path, $facedata
		3148	or die "$path: $!";
		3149
		3150	$facedata = Coro::Storable::thaw $facedata;
		3151
		3152	$facedata->{version} == 2
		3153	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3154
		3155	# patch in the exptable
		3156	$facedata->{resource}{"res/exp_table"} = {
		3157	type => FT_RSRC,
		3158	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3159	};
		3160	cf::cede_to_tick;
		3161
		3162	{
		3163	my $faces = $facedata->{faceinfo};
		3164
		3165	while (my ($face, $info) = each %$faces) {
		3166	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3167
		3168	cf::face::set_visibility $idx, $info->{visibility};
		3169	cf::face::set_magicmap $idx, $info->{magicmap};
		3170	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3171	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3172
		3173	cf::cede_to_tick;
		3174	}
		3175
		3176	while (my ($face, $info) = each %$faces) {
		3177	next unless $info->{smooth};
		3178
		3179	my $idx = cf::face::find $face
		3180	or next;
		3181
		3182	if (my $smooth = cf::face::find $info->{smooth}) {
		3183	cf::face::set_smooth $idx, $smooth;
		3184	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3185	} else {
		3186	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3187	}
		3188
		3189	cf::cede_to_tick;
		3190	}
		3191	}
		3192
		3193	{
		3194	my $anims = $facedata->{animinfo};
		3195
		3196	while (my ($anim, $info) = each %$anims) {
		3197	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3198	cf::cede_to_tick;
		3199	}
		3200
		3201	cf::anim::invalidate_all; # d'oh
		3202	}
		3203
		3204	{
		3205	# TODO: for gcfclient pleasure, we should give resources
		3206	# that gcfclient doesn't grok a >10000 face index.
		3207	my $res = $facedata->{resource};
		3208
		3209	while (my ($name, $info) = each %$res) {
		3210	if (defined $info->{type}) {
		3211	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3212	my $data;
		3213
		3214	if ($info->{type} & 1) {
		3215	# prepend meta info
		3216
		3217	my $meta = $enc->encode ({
		3218	name => $name,
		3219	%{ $info->{meta} || {} },
		3220	});
		3221
		3222	$data = pack "(w/a*)*", $meta, $info->{data};
		3223	} else {
		3224	$data = $info->{data};
		3225	}
		3226
		3227	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3228	cf::face::set_type $idx, $info->{type};
		3229	} else {
		3230	$RESOURCE{$name} = $info;
		3231	}
		3232
		3233	cf::cede_to_tick;
		3234	}
		3235	}
		3236
		3237	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3238
		3239	1
		3240	}
		3241
		3242	cf::global->attach (on_resource_update => sub {
		3243	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3244	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3245
		3246	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3247	my $sound = $soundconf->{compat}[$_]
		3248	or next;
		3249
		3250	my $face = cf::face::find "sound/$sound->[1]";
		3251	cf::sound::set $sound->[0] => $face;
		3252	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3253	}
		3254
		3255	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3256	my $face = cf::face::find "sound/$v";
		3257	cf::sound::set $k => $face;
		3258	}
		3259	}
		3260	});
		3261
		3262	register_exticmd fx_want => sub {
		3263	my ($ns, $want) = @_;
		3264
		3265	while (my ($k, $v) = each %$want) {
		3266	$ns->fx_want ($k, $v);
		3267	}
		3268	};
		3269
		3270	sub reload_regions {
		3271	# HACK to clear player env face cache, we need some signal framework
		3272	# for this (global event?)
		3273	%ext::player_env::MUSIC_FACE_CACHE = ();
		3274
		3275	load_resource_file "$MAPDIR/regions"
2254	or die "unable to load regions file\n";#d#	3276	or die "unable to load regions file\n";
2255	}
2256		3277
2257	sub cfg_load {	3278	for (cf::region::list) {
		3279	$_->{match} = qr/$_->{match}/
		3280	if exists $_->{match};
		3281	}
		3282	}
		3283
		3284	sub reload_facedata {
		3285	load_facedata "$DATADIR/facedata"
		3286	or die "unable to load facedata\n";
		3287	}
		3288
		3289	sub reload_archetypes {
		3290	load_resource_file "$DATADIR/archetypes"
		3291	or die "unable to load archetypes\n";
		3292	#d# NEED to laod twice to resolve forward references
		3293	# this really needs to be done in an extra post-pass
		3294	# (which needs to be synchronous, so solve it differently)
		3295	load_resource_file "$DATADIR/archetypes"
		3296	or die "unable to load archetypes\n";
		3297	}
		3298
		3299	sub reload_treasures {
		3300	load_resource_file "$DATADIR/treasures"
		3301	or die "unable to load treasurelists\n";
		3302	}
		3303
		3304	sub reload_resources {
		3305	warn "reloading resource files...\n";
		3306
		3307	reload_regions;
		3308	reload_facedata;
		3309	#reload_archetypes;#d#
		3310	reload_archetypes;
		3311	reload_treasures;
		3312
		3313	warn "finished reloading resource files\n";
		3314	}
		3315
		3316	sub init {
		3317	reload_resources;
		3318	}
		3319
		3320	sub reload_config {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3321	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3322	or return;
2260		3323
2261	local $/;	3324	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3325	*CFG = YAML::Load <$fh>;
2263		3326
2264	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3327	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2265		3328
2266	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3329	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2267	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3330	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2273	};	3336	};
2274	warn $@ if $@;	3337	warn $@ if $@;
2275	}	3338	}
2276	}	3339	}
2277		3340
2278	sub init {
2279	load_resources;
2280	}
2281
2282	sub main {	3341	sub main {
2283	# we must not ever block the main coroutine	3342	# we must not ever block the main coroutine
2284	local $Coro::idle = sub {	3343	local $Coro::idle = sub {
2285	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3344	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2286	(async {	3345	(async {
2287	Event::one_event;	3346	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3347	EV::loop EV::LOOP_ONESHOT;
2288	})->prio (Coro::PRIO_MAX);	3348	})->prio (Coro::PRIO_MAX);
2289	};	3349	};
2290		3350
2291	cfg_load;	3351	reload_config;
2292	db_load;	3352	db_init;
2293	load_extensions;	3353	load_extensions;
2294		3354
2295	$TICK_WATCHER->start;	3355	$TICK_WATCHER->start;
		3356	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2296	Event::loop;	3357	EV::loop;
2297	}	3358	}
2298		3359
2299	#############################################################################	3360	#############################################################################
2300	# initialisation and cleanup	3361	# initialisation and cleanup
2301		3362
2302	# install some emergency cleanup handlers	3363	# install some emergency cleanup handlers
2303	BEGIN {	3364	BEGIN {
		3365	our %SIGWATCHER = ();
2304	for my $signal (qw(INT HUP TERM)) {	3366	for my $signal (qw(INT HUP TERM)) {
2305	Event->signal (	3367	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2306	reentrant => 0,
2307	data => WF_AUTOCANCEL,
2308	signal => $signal,
2309	prio => 0,
2310	cb => sub {
2311	cf::cleanup "SIG$signal";	3368	cf::cleanup "SIG$signal";
2312	},
2313	);	3369	};
		3370	}
		3371	}
		3372
		3373	sub write_runtime {
		3374	my $runtime = "$LOCALDIR/runtime";
		3375
		3376	# first touch the runtime file to show we are still running:
		3377	# the fsync below can take a very very long time.
		3378
		3379	IO::AIO::aio_utime $runtime, undef, undef;
		3380
		3381	my $guard = cf::lock_acquire "write_runtime";
		3382
		3383	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3384	or return;
		3385
		3386	my $value = $cf::RUNTIME + 90 + 10;
		3387	# 10 is the runtime save interval, for a monotonic clock
		3388	# 60 allows for the watchdog to kill the server.
		3389
		3390	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3391	and return;
		3392
		3393	# always fsync - this file is important
		3394	aio_fsync $fh
		3395	and return;
		3396
		3397	# touch it again to show we are up-to-date
		3398	aio_utime $fh, undef, undef;
		3399
		3400	close $fh
		3401	or return;
		3402
		3403	aio_rename "$runtime~", $runtime
		3404	and return;
		3405
		3406	warn "runtime file written.\n";
		3407
2314	}	3408	1
2315	}	3409	}
2316		3410
2317	sub emergency_save() {	3411	sub emergency_save() {
2318	my $freeze_guard = cf::freeze_mainloop;	3412	my $freeze_guard = cf::freeze_mainloop;
2319		3413
…		…
2325	# and maps saved/destroyed asynchronously.	3419	# and maps saved/destroyed asynchronously.
2326	warn "begin emergency player save\n";	3420	warn "begin emergency player save\n";
2327	for my $login (keys %cf::PLAYER) {	3421	for my $login (keys %cf::PLAYER) {
2328	my $pl = $cf::PLAYER{$login} or next;	3422	my $pl = $cf::PLAYER{$login} or next;
2329	$pl->valid or next;	3423	$pl->valid or next;
		3424	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2330	$pl->save;	3425	$pl->save;
2331	}	3426	}
2332	warn "end emergency player save\n";	3427	warn "end emergency player save\n";
2333		3428
2334	warn "begin emergency map save\n";	3429	warn "begin emergency map save\n";
…		…
2345	};	3440	};
2346		3441
2347	warn "leave emergency perl save\n";	3442	warn "leave emergency perl save\n";
2348	}	3443	}
2349		3444
		3445	sub post_cleanup {
		3446	my ($make_core) = @_;
		3447
		3448	warn Carp::longmess "post_cleanup backtrace"
		3449	if $make_core;
		3450	}
		3451
2350	sub reload() {	3452	sub do_reload_perl() {
2351	# can/must only be called in main	3453	# can/must only be called in main
2352	if ($Coro::current != $Coro::main) {	3454	if ($Coro::current != $Coro::main) {
2353	warn "can only reload from main coroutine";	3455	warn "can only reload from main coroutine";
2354	return;	3456	return;
2355	}	3457	}
2356		3458
2357	warn "reloading...";	3459	warn "reloading...";
2358		3460
2359	warn "cancelling server ticker";	3461	warn "entering sync_job";
2360	$TICK_WATCHER->cancel;
2361		3462
		3463	cf::sync_job {
		3464	cf::write_runtime; # external watchdog should not bark
2362	cf::emergency_save;	3465	cf::emergency_save;
		3466	cf::write_runtime; # external watchdog should not bark
2363		3467
2364	eval {	3468	warn "syncing database to disk";
		3469	BDB::db_env_txn_checkpoint $DB_ENV;
		3470
2365	# if anything goes wrong in here, we should simply crash as we already saved	3471	# if anything goes wrong in here, we should simply crash as we already saved
2366
2367	warn "cancelling all WF_AUTOCANCEL watchers";
2368	for (Event::all_watchers) {
2369	$_->cancel if $_->data & WF_AUTOCANCEL;
2370	}
2371
2372	warn "syncing database to disk";
2373	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2374		3472
2375	warn "flushing outstanding aio requests";	3473	warn "flushing outstanding aio requests";
2376	for (;;) {	3474	for (;;) {
2377	BDB::flush;	3475	BDB::flush;
2378	IO::AIO::flush;	3476	IO::AIO::flush;
2379	Coro::cede;	3477	Coro::cede_notself;
2380	last unless IO::AIO::nreqs || BDB::nreqs;	3478	last unless IO::AIO::nreqs || BDB::nreqs;
2381	warn "iterate...";	3479	warn "iterate...";
2382	}	3480	}
		3481
		3482	++$RELOAD;
2383		3483
2384	warn "cancelling all extension coros";	3484	warn "cancelling all extension coros";
2385	$_->cancel for values %EXT_CORO;	3485	$_->cancel for values %EXT_CORO;
2386	%EXT_CORO = ();	3486	%EXT_CORO = ();
2387		3487
2388	warn "removing commands";	3488	warn "removing commands";
2389	%COMMAND = ();	3489	%COMMAND = ();
2390		3490
2391	warn "removing ext commands";	3491	warn "removing ext/exti commands";
2392	%EXTCMD = ();	3492	%EXTCMD = ();
		3493	%EXTICMD = ();
2393		3494
2394	warn "unloading/nuking all extensions";	3495	warn "unloading/nuking all extensions";
2395	for my $pkg (@EXTS) {	3496	for my $pkg (@EXTS) {
2396	warn "... unloading $pkg";	3497	warn "... unloading $pkg";
2397		3498
…		…
2427	Symbol::delete_package "safe::$_"	3528	Symbol::delete_package "safe::$_"
2428	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3529	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2429		3530
2430	warn "unloading cf.pm \"a bit\"";	3531	warn "unloading cf.pm \"a bit\"";
2431	delete $INC{"cf.pm"};	3532	delete $INC{"cf.pm"};
		3533	delete $INC{"cf/pod.pm"};
2432		3534
2433	# don't, removes xs symbols, too,	3535	# don't, removes xs symbols, too,
2434	# and global variables created in xs	3536	# and global variables created in xs
2435	#Symbol::delete_package __PACKAGE__;	3537	#Symbol::delete_package __PACKAGE__;
2436		3538
…		…
2439	warn "reloading cf.pm";	3541	warn "reloading cf.pm";
2440	require cf;	3542	require cf;
2441	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3543	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2442		3544
2443	warn "loading config and database again";	3545	warn "loading config and database again";
2444	cf::cfg_load;	3546	cf::reload_config;
2445	cf::db_load;
2446		3547
2447	warn "loading extensions";	3548	warn "loading extensions";
2448	cf::load_extensions;	3549	cf::load_extensions;
2449		3550
2450	warn "reattaching attachments to objects/players";	3551	warn "reattaching attachments to objects/players";
2451	_global_reattach;	3552	_global_reattach; # objects, sockets
2452	warn "reattaching attachments to maps";	3553	warn "reattaching attachments to maps";
2453	reattach $_ for values %MAP;	3554	reattach $_ for values %MAP;
		3555	warn "reattaching attachments to players";
		3556	reattach $_ for values %PLAYER;
2454		3557
2455	warn "loading reloadable resources";	3558	warn "leaving sync_job";
2456	load_resources;
2457		3559
2458	warn "restarting server ticker";	3560	1
2459		3561	} or do {
2460	$TICK_WATCHER->start;
2461	};
2462
2463	if ($@) {
2464	warn $@;	3562	warn $@;
2465	warn "error while reloading, exiting.";	3563	warn "error while reloading, exiting.";
2466	exit 1;	3564	exit 1;
2467	}	3565	};
2468		3566
2469	warn "reloaded";	3567	warn "reloaded";
2470	};	3568	};
2471		3569
2472	our $RELOAD_WATCHER; # used only during reload	3570	our $RELOAD_WATCHER; # used only during reload
2473		3571
		3572	sub reload_perl() {
		3573	# doing reload synchronously and two reloads happen back-to-back,
		3574	# coro crashes during coro_state_free->destroy here.
		3575
		3576	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3577	do_reload_perl;
		3578	undef $RELOAD_WATCHER;
		3579	};
		3580	}
		3581
2474	register_command "reload" => sub {	3582	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3583	my ($who, $arg) = @_;
2476		3584
2477	if ($who->flag (FLAG_WIZ)) {	3585	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3586	$who->message ("reloading server.");
2479		3587	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	3588	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	3589	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	3590	};
2492	}	3591	}
2493	};	3592	};
2494		3593
2495	unshift @INC, $LIBDIR;	3594	unshift @INC, $LIBDIR;
2496		3595
2497	my $bug_warning = 0;	3596	my $bug_warning = 0;
2498		3597
2499	$TICK_WATCHER = Event->timer (	3598	our @WAIT_FOR_TICK;
2500	reentrant => 0,	3599	our @WAIT_FOR_TICK_BEGIN;
2501	parked => 1,	3600
2502	prio => 0,	3601	sub wait_for_tick {
2503	at => $NEXT_TICK || $TICK,	3602	return unless $TICK_WATCHER->is_active;
2504	data => WF_AUTOCANCEL,	3603	return if $Coro::current == $Coro::main;
2505	cb => sub {	3604
		3605	my $signal = new Coro::Signal;
		3606	push @WAIT_FOR_TICK, $signal;
		3607	$signal->wait;
		3608	}
		3609
		3610	sub wait_for_tick_begin {
		3611	return unless $TICK_WATCHER->is_active;
		3612	return if $Coro::current == $Coro::main;
		3613
		3614	my $signal = new Coro::Signal;
		3615	push @WAIT_FOR_TICK_BEGIN, $signal;
		3616	$signal->wait;
		3617	}
		3618
		3619	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2506	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3621	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3622	unless ++$bug_warning > 10;
2509	return;	3623	return;
2510	}	3624	}
2511		3625
2512	$NOW = Event::time;	3626	$NOW = $tick_start = EV::now;
2513		3627
2514	cf::server_tick; # one server iteration	3628	cf::server_tick; # one server iteration
		3629
2515	$RUNTIME += $TICK;	3630	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;	3631	$NEXT_TICK = $_[0]->at;
2517		3632
2518	$WAIT_FOR_TICK->broadcast;	3633	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3634	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2520		3635	Coro::async_pool {
2521	Event::sweep;	3636	$Coro::current->{desc} = "runtime saver";
2522	Coro::cede_notself;	3637	write_runtime
		3638	or warn "ERROR: unable to write runtime file: $!";
2523		3639	};
2524	# my $AFTER = Event::time;
2525	# warn $AFTER - $NOW;#d#
2526
2527	# if we are delayed by four ticks or more, skip them all
2528	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2529
2530	$TICK_WATCHER->at ($NEXT_TICK);
2531	$TICK_WATCHER->start;
2532	},	3640	}
2533	);	3641
		3642	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3643	$sig->send;
		3644	}
		3645	while (my $sig = shift @WAIT_FOR_TICK) {
		3646	$sig->send;
		3647	}
		3648
		3649	$LOAD = ($NOW - $tick_start) / $TICK;
		3650	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3651
		3652	_post_tick;
		3653	};
		3654	$TICK_WATCHER->priority (EV::MAXPRI);
2534		3655
2535	{	3656	{
2536	BDB::max_poll_time $TICK * 0.1;	3657	# configure BDB
2537	$BDB_POLL_WATCHER = Event->io (	3658
2538	reentrant => 0,
2539	fd => BDB::poll_fileno,
2540	poll => 'r',
2541	prio => 0,
2542	data => WF_AUTOCANCEL,
2543	cb => \&BDB::poll_cb,
2544	);
2545	BDB::min_parallel 8;	3659	BDB::min_parallel 8;
2546		3660	BDB::max_poll_reqs $TICK * 0.1;
2547	BDB::set_sync_prepare {	3661	$Coro::BDB::WATCHER->priority (1);
2548	my $status;
2549	my $current = $Coro::current;
2550	(
2551	sub {
2552	$status = $!;
2553	$current->ready; undef $current;
2554	},
2555	sub {
2556	Coro::schedule while defined $current;
2557	$! = $status;
2558	},
2559	)
2560	};
2561		3662
2562	unless ($DB_ENV) {	3663	unless ($DB_ENV) {
2563	$DB_ENV = BDB::db_env_create;	3664	$DB_ENV = BDB::db_env_create;
		3665	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3666	| BDB::LOG_AUTOREMOVE, 1);
		3667	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3668	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2564		3669
2565	cf::sync_job {	3670	cf::sync_job {
2566	eval {	3671	eval {
2567	BDB::db_env_open	3672	BDB::db_env_open
2568	$DB_ENV,	3673	$DB_ENV,
2569	$BDB_ENV_DIR,	3674	$BDBDIR,
2570	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3675	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2571	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3676	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2572	0666;	3677	0666;
2573		3678
2574	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3679	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2575
2576	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2577	$DB_ENV->set_lk_detect;
2578	};	3680	};
2579		3681
2580	cf::cleanup "db_env_open(db): $@" if $@;	3682	cf::cleanup "db_env_open(db): $@" if $@;
2581	};	3683	};
2582	}	3684	}
		3685
		3686	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3687	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3688	};
		3689	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3690	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3691	};
		3692	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3693	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3694	};
2583	}	3695	}
2584		3696
2585	{	3697	{
		3698	# configure IO::AIO
		3699
2586	IO::AIO::min_parallel 8;	3700	IO::AIO::min_parallel 8;
2587
2588	undef $Coro::AIO::WATCHER;
2589	IO::AIO::max_poll_time $TICK * 0.1;	3701	IO::AIO::max_poll_time $TICK * 0.1;
2590	$AIO_POLL_WATCHER = Event->io (	3702	$Coro::AIO::WATCHER->priority (1);
2591	reentrant => 0,
2592	fd => IO::AIO::poll_fileno,
2593	poll => 'r',
2594	prio => 6,
2595	data => WF_AUTOCANCEL,
2596	cb => \&IO::AIO::poll_cb,
2597	);
2598	}	3703	}
2599		3704
2600	$WRITE_RUNTIME_WATCHER = Event->timer (	3705	my $_log_backtrace;
2601	reentrant => 0,	3706
2602	data => WF_AUTOCANCEL,	3707	sub _log_backtrace {
2603	after => 1,	3708	my ($msg, @addr) = @_;
2604	interval => 10,	3709
2605	prio => 6, # keep it lowest so it acts like a watchdog	3710	$msg =~ s/\n//;
2606	cb => Coro::unblock_sub {	3711
2607	write_runtime	3712	# limit the # of concurrent backtraces
2608	or warn "ERROR: unable to write runtime file: $!";	3713	if ($_log_backtrace < 2) {
		3714	++$_log_backtrace;
		3715	async {
		3716	$Coro::current->{desc} = "abt $msg";
		3717
		3718	my @bt = fork_call {
		3719	@addr = map { sprintf "%x", $_ } @addr;
		3720	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3721	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3722	or die "addr2line: $!";
		3723
		3724	my @funcs;
		3725	my @res = <$fh>;
		3726	chomp for @res;
		3727	while (@res) {
		3728	my ($func, $line) = splice @res, 0, 2, ();
		3729	push @funcs, "[$func] $line";
		3730	}
		3731
		3732	@funcs
		3733	};
		3734
		3735	LOG llevInfo, "[ABT] $msg\n";
		3736	LOG llevInfo, "[ABT] $_\n" for @bt;
		3737	--$_log_backtrace;
		3738	};
		3739	} else {
		3740	LOG llevInfo, "[ABT] $msg\n";
		3741	LOG llevInfo, "[ABT] [suppressed]\n";
2609	},	3742	}
2610	);	3743	}
		3744
		3745	# load additional modules
		3746	use cf::pod;
2611		3747
2612	END { cf::emergency_save }	3748	END { cf::emergency_save }
2613		3749
2614	1	3750	1
2615		3751

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