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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.411 by root, Fri Feb 1 15:54:07 2008 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use 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	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		519
363	my $runtime = cf::localdir . "/runtime";	520	Executes the given code block with the given arguments in a seperate
		521	process, returning the results. Everything must be serialisable with
		522	Coro::Storable. May, of course, block. Note that the executed sub may
		523	never block itself or use any form of event handling.
364		524
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	525	=cut
366	or return;
367		526
368	my $value = $cf::RUNTIME + 90 + 10;	527	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	528	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		529
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	530	# we seemingly have to make a local copy of the whole thing,
373	and return;	531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
374		533
375	# always fsync - this file is important	534	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	535	reset_signals;
377	and return;	536	&$cb
		537	}, @args;
378		538
379	close $fh	539	wantarray ? @res : $res[-1]
380	or return;	540	}
381		541
382	aio_rename "$runtime~", $runtime	542	=item $value = cf::db_get $family => $key
383	and return;
384		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($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
385	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		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 });
386	}	678	}
387		679
388	=back	680	=back
389		681
390	=cut	682	=cut
…		…
397	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")
398	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
399		691
400	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>
401	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
402	crossfire+).	694	Deliantra).
403		695
404	=over 4	696	=over 4
405		697
406	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
407		699
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	862	$registry = $CB_TYPE[$object_type] ||= [];
571		863
572	} elsif ($type eq "subtype") {	864	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	865	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	866	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	867	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		868
577	} elsif ($type eq "package") {	869	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	870	my $pkg = shift @arg;
579		871
580	while (my ($name, $id) = each %cb_id) {	872	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
610	}	902	}
611		903
612	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
613	} else {	905	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	907	}
616		908
617	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
618	}	910	}
619		911
…		…
621	if (ref $_[0]) {	913	if (ref $_[0]) {
622	_object_attach @_;	914	_object_attach @_;
623	} else {	915	} else {
624	_attach shift->_attach_registry, @_;	916	_attach shift->_attach_registry, @_;
625	}	917	}
		918	_recalc_want;
626	};	919	};
627		920
628	# all those should be optimised	921	# all those should be optimised
629	sub cf::attachable::detach {	922	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	926	delete $obj->{_attachment}{$name};
634	reattach ($obj);	927	reattach ($obj);
635	} else {	928	} else {
636	Carp::croak "cannot, currently, detach class attachments";	929	Carp::croak "cannot, currently, detach class attachments";
637	}	930	}
		931	_recalc_want;
638	};	932	};
639		933
640	sub cf::attachable::attached {	934	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
642		936
…		…
657	";	951	";
658	die if $@;	952	die if $@;
659	}	953	}
660		954
661	our $override;	955	our $override;
662	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?
663		957
664	sub override {	958	sub override {
665	$override = 1;	959	$override = 1;
666	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
667	}	961	}
668		962
669	sub do_invoke {	963	sub do_invoke {
670	my $event = shift;	964	my $event = shift;
671	my $callbacks = shift;	965	my $callbacks = shift;
672		966
673	@invoke_results = ();	967	@INVOKE_RESULTS = ();
674		968
675	local $override;	969	local $override;
676		970
677	for (@$callbacks) {	971	for (@$callbacks) {
678	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
687	}	981	}
688		982
689	0	983	0
690	}	984	}
691		985
692	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
693		987
694	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
695		989
696	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
697		991
698	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
699	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
700	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		995
702	=back	996	=back
703		997
704	=cut	998	=cut
705		999
706	#############################################################################	1000	#############################################################################
707	# 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, $ob2
		1043	}
708		1044
709	sub reattach {	1045	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	1047	my ($obj) = @_;
712		1048
…		…
733	cf::attachable->attach (	1069	cf::attachable->attach (
734	prio => -1000000,	1070	prio => -1000000,
735	on_instantiate => sub {	1071	on_instantiate => sub {
736	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
737		1073
738	$data = from_json $data;	1074	$data = decode_json $data;
739		1075
740	for (@$data) {	1076	for (@$data) {
741	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
742		1078
743	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
759	sub object_freezer_save {	1095	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
761		1097
762	sync_job {	1098	sync_job {
763	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
766		1103
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	aio_fsync $fh if $cf::USE_FSYNC;	1107	aio_fsync $fh if $cf::USE_FSYNC;
771	close $fh;	1108	close $fh;
772		1109
773	if (@$objs) {	1110	if (@$objs) {
774	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) {
775	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
776	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
778	aio_fsync $fh if $cf::USE_FSYNC;	1115	aio_fsync $fh if $cf::USE_FSYNC;
779	close $fh;	1116	close $fh;
780	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
781	}	1118	}
…		…
789	}	1126	}
790	} else {	1127	} else {
791	aio_unlink $filename;	1128	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
793	}	1130	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1131	};
801	}	1132	}
802		1133
803	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
805		1136
…		…
810		1141
811	sub object_thawer_load {	1142	sub object_thawer_load {
812	my ($filename) = @_;	1143	my ($filename) = @_;
813		1144
814	my ($data, $av);	1145	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1146
819	(aio_load $filename, $data) >= 0	1147	(aio_load $filename, $data) >= 0
820	or return;	1148	or return;
821		1149
822	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
824	or return;	1152	or return;
		1153
825	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
826	}	1156	}
827		1157
		1158	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
830	return ($data, $av);	1162	($data, $av)
831	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
832		1170
833	#############################################################################	1171	#############################################################################
834	# command handling &c	1172	# command handling &c
835		1173
836	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1188	}
851		1189
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1191
854	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.
855		1197
856	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
857	called.	1199	called.
858		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
859	=cut	1212	=cut
860		1213
861	sub register_extcmd {	1214	sub register_extcmd {
862	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
863		1216
864	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
865	}	1224	}
866		1225
867	cf::player->attach (	1226	cf::player->attach (
868	on_command => sub {	1227	on_command => sub {
869	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
878	cf::override;	1237	cf::override;
879	},	1238	},
880	on_extcmd => sub {	1239	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
882		1241
883	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1243
885	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
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
891	} else {	1259	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1261	}
894		1262
895	cf::override;	1263	cf::override;
896	},	1264	},
897	);	1265	);
898		1266
899	sub load_extension {
900	my ($path) = @_;
901
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
903	my $base = $1;
904	my $pkg = $1;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}
927	die $@;
928	}
929
930	push @EXTS, $pkg;
931	}
932
933	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
934	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1272	next unless -r $path;
936	eval {	1273
937	load_extension $ext;	1274	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1275	my $base = $1;
		1276	my $pkg = $1;
		1277	$pkg =~ s/[^[:word:]]/_/g;
		1278	$pkg = "ext::$pkg";
		1279
		1280	open my $fh, "<:utf8", $path
		1281	or die "$path: $!";
		1282
		1283	my $source = do { local $/; <$fh> };
		1284
		1285	my %ext = (
		1286	path => $path,
		1287	base => $base,
		1288	pkg => $pkg,
		1289	);
		1290
		1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1293
		1294	$ext{source} =
		1295	"package $pkg; use strict; use utf8;\n"
		1296	. "#line 1 \"$path\"\n{\n"
		1297	. $source
		1298	. "\n};\n1";
		1299
		1300	$todo{$base} = \%ext;
		1301	}
		1302
		1303	my %done;
		1304	while (%todo) {
		1305	my $progress;
		1306
		1307	while (my ($k, $v) = each %todo) {
		1308	for (split /,\s*/, $v->{meta}{depends}) {
		1309	goto skip
		1310	unless exists $done{$_};
		1311	}
		1312
		1313	warn "... loading '$k' into '$v->{pkg}'\n";
		1314
		1315	unless (eval $v->{source}) {
		1316	my $msg = $@ ? "$v->{path}: $@\n"
		1317	: "$v->{base}: extension inactive.\n";
		1318
		1319	if (exists $v->{meta}{mandatory}) {
		1320	warn $msg;
		1321	cf::cleanup "mandatory extension failed to load, exiting.";
		1322	}
		1323
		1324	warn $msg;
		1325	}
		1326
		1327	$done{$k} = delete $todo{$k};
		1328	push @EXTS, $v->{pkg};
		1329	$progress = 1;
938	1	1330	}
939	} or warn "$ext not loaded: $@";	1331
		1332	skip:
		1333	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1334	unless $progress;
		1335	}
940	}	1336	};
941	}	1337	}
942		1338
943	#############################################################################	1339	#############################################################################
944		1340
		1341	=back
		1342
945	=head2 CORE EXTENSIONS	1343	=head2 CORE EXTENSIONS
946		1344
947	Functions and methods that extend core crossfire objects.	1345	Functions and methods that extend core crossfire objects.
948		1346
949	=cut	1347	=cut
…		…
954		1352
955	=head3 cf::player	1353	=head3 cf::player
956		1354
957	=over 4	1355	=over 4
958		1356
		1357	=item cf::player::num_playing
		1358
		1359	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1360
		1361	=cut
		1362
		1363	sub num_playing {
		1364	scalar grep
		1365	$_->ob->map
		1366	&& !$_->hidden
		1367	&& !$_->ob->flag (cf::FLAG_WIZ),
		1368	cf::player::list
		1369	}
		1370
959	=item cf::player::find $login	1371	=item cf::player::find $login
960		1372
961	Returns the given player object, loading it if necessary (might block).	1373	Returns the given player object, loading it if necessary (might block).
962		1374
963	=cut	1375	=cut
964		1376
965	sub playerdir($) {	1377	sub playerdir($) {
966	cf::localdir	1378	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1379	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1380	}
972		1381
973	sub path($) {	1382	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1383	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1384
976	(playerdir $login) . "/$login.pl"	1385	(playerdir $login) . "/playerdata"
977	}	1386	}
978		1387
979	sub find_active($) {	1388	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1389	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1390	and $cf::PLAYER{$_[0]}->active
…		…
994	my $login = $_[0];	1403	my $login = $_[0];
995		1404
996	my $guard = cf::lock_acquire "user_find:$login";	1405	my $guard = cf::lock_acquire "user_find:$login";
997		1406
998	$cf::PLAYER{$_[0]} || do {	1407	$cf::PLAYER{$_[0]} || do {
999	my $pl = load_pl path $login	1408	# rename old playerfiles to new ones
		1409	#TODO: remove when no longer required
		1410	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1411	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1412	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1413	aio_unlink +(playerdir $login) . "/$login.pl";
		1414
		1415	my $f = new_from_file cf::object::thawer path $login
1000	or return;	1416	or return;
		1417
		1418	my $pl = cf::player::load_pl $f
		1419	or return;
		1420	local $cf::PLAYER_LOADING{$login} = $pl;
		1421	$f->resolve_delayed_derefs;
1001	$cf::PLAYER{$login} = $pl	1422	$cf::PLAYER{$login} = $pl
1002	}	1423	}
1003	}	1424	}
1004	}	1425	}
1005		1426
…		…
1015		1436
1016	aio_mkdir playerdir $pl, 0770;	1437	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1438	$pl->{last_save} = $cf::RUNTIME;
1018		1439
1019	$pl->save_pl ($path);	1440	$pl->save_pl ($path);
1020	Coro::cede;	1441	cf::cede_to_tick;
1021	}	1442	}
1022		1443
1023	sub new($) {	1444	sub new($) {
1024	my ($login) = @_;	1445	my ($login) = @_;
1025		1446
…		…
1031	$cf::PLAYER{$login} = $self;	1452	$cf::PLAYER{$login} = $self;
1032		1453
1033	$self	1454	$self
1034	}	1455	}
1035		1456
		1457	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1458
		1459	=cut
		1460
		1461	sub send_msg {
		1462	my $ns = shift->ns
		1463	or return;
		1464	$ns->send_msg (@_);
		1465	}
		1466
1036	=item $pl->quit_character	1467	=item $pl->quit_character
1037		1468
1038	Nukes the player without looking back. If logged in, the connection will	1469	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1470	be destroyed. May block for a long time.
1040		1471
1041	=cut	1472	=cut
1042		1473
1043	sub quit_character {	1474	sub quit_character {
1044	my ($pl) = @_;	1475	my ($pl) = @_;
		1476
		1477	my $name = $pl->ob->name;
1045		1478
1046	$pl->{deny_save} = 1;	1479	$pl->{deny_save} = 1;
1047	$pl->password ("*"); # this should lock out the player until we nuked the dir	1480	$pl->password ("*"); # this should lock out the player until we nuked the dir
1048		1481
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1482	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1054	my $path = playerdir $pl;	1487	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1488	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1489	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1490	delete $cf::PLAYER{$pl->ob->name};
1058	$pl->destroy;	1491	$pl->destroy;
		1492
		1493	my $prefix = qr<^~\Q$name\E/>;
		1494
		1495	# nuke player maps
		1496	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1497
1059	IO::AIO::aio_rmtree $temp;	1498	IO::AIO::aio_rmtree $temp;
		1499	}
		1500
		1501	=item $pl->kick
		1502
		1503	Kicks a player out of the game. This destroys the connection.
		1504
		1505	=cut
		1506
		1507	sub kick {
		1508	my ($pl, $kicker) = @_;
		1509
		1510	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1511	$pl->killer ("kicked");
		1512	$pl->ns->destroy;
1060	}	1513	}
1061		1514
1062	=item cf::player::list_logins	1515	=item cf::player::list_logins
1063		1516
1064	Returns am arrayref of all valid playernames in the system, can take a	1517	Returns am arrayref of all valid playernames in the system, can take a
1065	while and may block, so not sync_job-capable, ever.	1518	while and may block, so not sync_job-capable, ever.
1066		1519
1067	=cut	1520	=cut
1068		1521
1069	sub list_logins {	1522	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1523	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1524	or return [];
1072		1525
1073	my @logins;	1526	my @logins;
1074		1527
1075	for my $login (@$dirs) {	1528	for my $login (@$dirs) {
		1529	my $path = path $login;
		1530
		1531	# a .pst is a dead give-away for a valid player
		1532	unless (-e "$path.pst") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1533	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1534	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1535	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1536	}
1079		1537
1080	utf8::decode $login;	1538	utf8::decode $login;
1081	push @logins, $login;	1539	push @logins, $login;
1082	}	1540	}
1083		1541
…		…
1110	}	1568	}
1111		1569
1112	\@paths	1570	\@paths
1113	}	1571	}
1114		1572
		1573	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1574
		1575	Expand crossfire pod fragments into protocol xml.
		1576
		1577	=cut
		1578
		1579	use re 'eval';
		1580
		1581	my $group;
		1582	my $interior; $interior = qr{
		1583	# match a pod interior sequence sans C<< >>
		1584	(?:
		1585	\ (.*?)\ (?{ $group = $^N })
		1586	| < (??{$interior}) >
		1587	)
		1588	}x;
		1589
		1590	sub expand_cfpod {
		1591	my ($self, $pod) = @_;
		1592
		1593	my $xml;
		1594
		1595	while () {
		1596	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1597	$group = $1;
		1598
		1599	$group =~ s/&/&amp;/g;
		1600	$group =~ s/</&lt;/g;
		1601
		1602	$xml .= $group;
		1603	} elsif ($pod =~ m%\G
		1604	([BCGHITU])
		1605	<
		1606	(?:
		1607	([^<>]*) (?{ $group = $^N })
		1608	| < $interior >
		1609	)
		1610	>
		1611	%gcsx
		1612	) {
		1613	my ($code, $data) = ($1, $group);
		1614
		1615	if ($code eq "B") {
		1616	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1617	} elsif ($code eq "I") {
		1618	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1619	} elsif ($code eq "U") {
		1620	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1621	} elsif ($code eq "C") {
		1622	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1623	} elsif ($code eq "T") {
		1624	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1625	} elsif ($code eq "G") {
		1626	my ($male, $female) = split /\|/, $data;
		1627	$data = $self->gender ? $female : $male;
		1628	$xml .= expand_cfpod ($self, $data);
		1629	} elsif ($code eq "H") {
		1630	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1631	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1632	"")
		1633	[$self->{hintmode}];
		1634	} else {
		1635	$xml .= "error processing '$code($data)' directive";
		1636	}
		1637	} else {
		1638	if ($pod =~ /\G(.+)/) {
		1639	warn "parse error while expanding $pod (at $1)";
		1640	}
		1641	last;
		1642	}
		1643	}
		1644
		1645	for ($xml) {
		1646	# create single paragraphs (very hackish)
		1647	s/(?<=\S)\n(?=\w)/ /g;
		1648
		1649	# compress some whitespace
		1650	s/\s+\n/\n/g; # ws line-ends
		1651	s/\n\n+/\n/g; # double lines
		1652	s/^\n+//; # beginning lines
		1653	s/\n+$//; # ending lines
		1654	}
		1655
		1656	$xml
		1657	}
		1658
		1659	no re 'eval';
		1660
		1661	sub hintmode {
		1662	$_[0]{hintmode} = $_[1] if @_ > 1;
		1663	$_[0]{hintmode}
		1664	}
		1665
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1666	=item $player->ext_reply ($msgid, @msg)
1116		1667
1117	Sends an ext reply to the player.	1668	Sends an ext reply to the player.
1118		1669
1119	=cut	1670	=cut
1120		1671
1121	sub ext_reply($$$%) {	1672	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1673	my ($self, $id, @msg) = @_;
1123		1674
1124	$msg{msgid} = $id;	1675	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1676	}
1128		1677
1129	package cf;	1678	=item $player->ext_msg ($type, @msg)
		1679
		1680	Sends an ext event to the client.
		1681
		1682	=cut
		1683
		1684	sub ext_msg($$@) {
		1685	my ($self, $type, @msg) = @_;
		1686
		1687	$self->ns->ext_msg ($type, @msg);
		1688	}
		1689
		1690	=head3 cf::region
		1691
		1692	=over 4
		1693
		1694	=cut
		1695
		1696	package cf::region;
		1697
		1698	=item cf::region::find_by_path $path
		1699
		1700	Tries to decuce the likely region for a map knowing only its path.
		1701
		1702	=cut
		1703
		1704	sub find_by_path($) {
		1705	my ($path) = @_;
		1706
		1707	my ($match, $specificity);
		1708
		1709	for my $region (list) {
		1710	if ($region->{match} && $path =~ $region->{match}) {
		1711	($match, $specificity) = ($region, $region->specificity)
		1712	if $region->specificity > $specificity;
		1713	}
		1714	}
		1715
		1716	$match
		1717	}
1130		1718
1131	=back	1719	=back
1132
1133		1720
1134	=head3 cf::map	1721	=head3 cf::map
1135		1722
1136	=over 4	1723	=over 4
1137		1724
…		…
1192	my ($self, $merge) = @_;	1779	my ($self, $merge) = @_;
1193		1780
1194	# we have to keep some variables in memory intact	1781	# we have to keep some variables in memory intact
1195	local $self->{path};	1782	local $self->{path};
1196	local $self->{load_path};	1783	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1784
1200	$self->SUPER::thawer_merge ($merge);	1785	$self->SUPER::thawer_merge ($merge);
1201	}	1786	}
1202		1787
1203	sub normalise {	1788	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1835	$self->init; # pass $1 etc.
1251	return $self;	1836	return $self;
1252	}	1837	}
1253	}	1838	}
1254		1839
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1840	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1841	()
1257	}	1842	}
1258		1843
1259	sub init {	1844	sub init {
1260	my ($self) = @_;	1845	my ($self) = @_;
…		…
1275		1860
1276	# the original (read-only) location	1861	# the original (read-only) location
1277	sub load_path {	1862	sub load_path {
1278	my ($self) = @_;	1863	my ($self) = @_;
1279		1864
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1865	"$MAPDIR/$self->{path}.map"
1281	}	1866	}
1282		1867
1283	# the temporary/swap location	1868	# the temporary/swap location
1284	sub save_path {	1869	sub save_path {
1285	my ($self) = @_;	1870	my ($self) = @_;
1286		1871
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1872	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1873	"$TMPDIR/$path.map"
1289	}	1874	}
1290		1875
1291	# the unique path, undef == no special unique path	1876	# the unique path, undef == no special unique path
1292	sub uniq_path {	1877	sub uniq_path {
1293	my ($self) = @_;	1878	my ($self) = @_;
1294		1879
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1881	"$UNIQUEDIR/$path"
1297	}	1882	}
1298		1883
1299	# and all this just because we cannot iterate over	1884	# and all this just because we cannot iterate over
1300	# all maps in C++...	1885	# all maps in C++...
1301	sub change_all_map_light {	1886	sub change_all_map_light {
…		…
1303		1888
1304	$_->change_map_light ($change)	1889	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1890	for grep $_->outdoor, values %cf::MAP;
1306	}	1891	}
1307		1892
		1893	sub decay_objects {
		1894	my ($self) = @_;
		1895
		1896	return if $self->{deny_reset};
		1897
		1898	$self->do_decay_objects;
		1899	}
		1900
1308	sub unlink_save {	1901	sub unlink_save {
1309	my ($self) = @_;	1902	my ($self) = @_;
1310		1903
1311	utf8::encode (my $save = $self->save_path);	1904	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1905	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1906	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1907	}
1320		1908
1321	sub load_header_from($) {	1909	sub load_header_from($) {
1322	my ($self, $path) = @_;	1910	my ($self, $path) = @_;
1323		1911
1324	utf8::encode $path;	1912	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	1913	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	or return;	1914	or return;
		1915
		1916	$self->_load_header ($f)
		1917	or return;
		1918
		1919	local $MAP_LOADING{$self->{path}} = $self;
		1920	$f->resolve_delayed_derefs;
1330		1921
1331	$self->{load_path} = $path;	1922	$self->{load_path} = $path;
1332		1923
1333	1	1924	1
1334	}	1925	}
…		…
1373	$self->load_header_orig	1964	$self->load_header_orig
1374	or return;	1965	or return;
1375	$self->prepare_orig;	1966	$self->prepare_orig;
1376	}	1967	}
1377		1968
		1969	$self->{deny_reset} = 1
		1970	if $self->no_reset;
		1971
		1972	$self->default_region (cf::region::find_by_path $self->{path})
		1973	unless $self->default_region;
		1974
1378	1	1975	1
1379	}	1976	}
1380		1977
1381	sub find;	1978	sub find;
1382	sub find {	1979	sub find {
1383	my ($path, $origin) = @_;	1980	my ($path, $origin) = @_;
1384		1981
1385	$path = normalise $path, $origin && $origin->path;	1982	$path = normalise $path, $origin && $origin->path;
1386		1983
		1984	cf::lock_wait "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	1985	cf::lock_wait "map_find:$path";
1388		1986
1389	$cf::MAP{$path} || do {	1987	$cf::MAP{$path} || do {
1390	my $guard = cf::lock_acquire "map_find:$path";	1988	my $guard1 = cf::lock_acquire "map_find:$path";
		1989	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1990
1391	my $map = new_from_path cf::map $path	1991	my $map = new_from_path cf::map $path
1392	or return;	1992	or return;
1393		1993
1394	$map->{last_save} = $cf::RUNTIME;	1994	$map->{last_save} = $cf::RUNTIME;
1395		1995
1396	$map->load_header	1996	$map->load_header
1397	or return;	1997	or return;
1398		1998
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1999	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	2000	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	2001	#$cf::WAIT_FOR_TICK->wait;
		2002	undef $guard1;
		2003	undef $guard2;
1402	$map->reset;	2004	$map->reset;
1403	undef $guard;
1404	return find $path;	2005	return find $path;
1405	}	2006	}
1406		2007
1407	$cf::MAP{$path} = $map	2008	$cf::MAP{$path} = $map
1408	}	2009	}
…		…
1415	my ($self) = @_;	2016	my ($self) = @_;
1416		2017
1417	local $self->{deny_reset} = 1; # loading can take a long time	2018	local $self->{deny_reset} = 1; # loading can take a long time
1418		2019
1419	my $path = $self->{path};	2020	my $path = $self->{path};
		2021
		2022	{
1420	my $guard = cf::lock_acquire "map_load:$path";	2023	my $guard = cf::lock_acquire "map_data:$path";
1421		2024
		2025	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	2026	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		2027
1424	$self->in_memory (cf::MAP_LOADING);	2028	$self->in_memory (cf::MAP_LOADING);
1425		2029
1426	$self->alloc;	2030	$self->alloc;
1427		2031
1428	$self->pre_load;	2032	$self->pre_load;
		2033	cf::cede_to_tick;
1429		2034
1430	$self->_load_objects ($self->{load_path}, 1)	2035	my $f = new_from_file cf::object::thawer $self->{load_path};
		2036	$f->skip_block;
		2037	$self->_load_objects ($f)
1431	or return;	2038	or return;
1432		2039
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2040	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1434	if delete $self->{load_original};	2041	if delete $self->{load_original};
1435		2042
1436	if (my $uniq = $self->uniq_path) {	2043	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	2044	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	2045	unless (aio_stat $uniq) {
		2046	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	2047	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	2048	$self->_load_objects ($f);
		2049	$f->resolve_delayed_derefs;
		2050	}
1441	}	2051	}
1442	}	2052	}
1443		2053
1444	Coro::cede;	2054	$f->resolve_delayed_derefs;
1445		2055
		2056	cf::cede_to_tick;
1446	# now do the right thing for maps	2057	# now do the right thing for maps
1447	$self->link_multipart_objects;	2058	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	2059	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	2060	unless $self->difficulty;
1457	Coro::cede;	2061	cf::cede_to_tick;
		2062
		2063	unless ($self->{deny_activate}) {
		2064	$self->decay_objects;
		2065	$self->fix_auto_apply;
		2066	$self->update_buttons;
		2067	cf::cede_to_tick;
		2068	$self->set_darkness_map;
		2069	cf::cede_to_tick;
1458	$self->activate;	2070	$self->activate;
		2071	}
		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
		2076	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2077	}
1460		2078
1461	$self->post_load;	2079	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	2080	}
1465		2081
1466	sub customise_for {	2082	sub customise_for {
1467	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1468		2084
1469	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	2086	if $self->per_player;
1471		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1472	$self	2091	$self
1473	}	2092	}
1474		2093
1475	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	2095	sub load_neighbours {
1477	my ($map) = @_;	2096	my ($map) = @_;
1478		2097
1479	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1480		2099
1481	for (0 .. 3) {	2100	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1483	or next;	2102	or next;
1484	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1485	or next;	2104	or next;
1486	$neigh->load;	2105	$neigh->load;
1487		2106
		2107	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2110	}
1491		2111
1492	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1494	or next;	2115	or next;
1495	$neigh->load;	2116	$neigh->load;
1496	}	2117	}
1497	}	2118	}
1498		2119
…		…
1503	}	2124	}
1504		2125
1505	sub do_load_sync {	2126	sub do_load_sync {
1506	my ($map) = @_;	2127	my ($map) = @_;
1507		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1508	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1509	}	2133	}
1510		2134
1511	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1513		2137
1514	sub find_async {	2138	sub find_async {
1515	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1516		2140
1517	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1518		2142
1519	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1521	}	2145	}
1522		2146
1523	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1524	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1525	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2154	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2155	$map->load if $v;
		2156	}
1530		2157
1531	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1532	}	2159	}
1533	}	2160	}
1534	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1535	};	2162	};
1536	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1539	}	2166	}
1540		2167
1541	sub save {	2168	sub save {
1542	my ($self) = @_;	2169	my ($self) = @_;
1543		2170
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2172
1546	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1547		2174
1548	return unless $self->dirty;	2175	return unless $self->dirty;
1549		2176
…		…
1555	return if $self->{deny_save};	2182	return if $self->{deny_save};
1556		2183
1557	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1558		2185
1559	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1561	};	2189	};
1562		2190
1563	if ($uniq) {	2191	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2192	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1572	my ($self) = @_;	2200	my ($self) = @_;
1573		2201
1574	# save first because save cedes	2202	# save first because save cedes
1575	$self->save;	2203	$self->save;
1576		2204
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2205	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2206
1579	return if $self->players;	2207	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;	2208	return if $self->in_memory != cf::MAP_IN_MEMORY;
1581	return if $self->{deny_save};	2209	return if $self->{deny_save};
1582		2210
		2211	$self->in_memory (cf::MAP_SWAPPED);
		2212
		2213	$self->deactivate;
		2214	$_->clear_links_to ($self) for values %cf::MAP;
1583	$self->clear;	2215	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2216	}
1586		2217
1587	sub reset_at {	2218	sub reset_at {
1588	my ($self) = @_;	2219	my ($self) = @_;
1589		2220
1590	# TODO: safety, remove and allow resettable per-player maps	2221	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2222	return 1e99 if $self->{deny_reset};
1593		2223
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2224	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2225	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2226
…		…
1607	my ($self) = @_;	2237	my ($self) = @_;
1608		2238
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2239	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2240
1611	return if $self->players;	2241	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2242
1614	warn "resetting map ", $self->path;#d#	2243	warn "resetting map ", $self->path;
1615		2244
1616	$self->in_memory (cf::MAP_SWAPPED);	2245	$self->in_memory (cf::MAP_SWAPPED);
1617		2246
1618	# need to save uniques path	2247	# need to save uniques path
1619	unless ($self->{deny_save}) {	2248	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2252	if $uniq;
1624	}	2253	}
1625		2254
1626	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1627		2256
		2257	$self->deactivate;
		2258	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2259	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2260
1632	$self->unlink_save;	2261	$self->unlink_save;
1633	$self->destroy;	2262	$self->destroy;
1634	}	2263	}
1635		2264
1636	my $nuke_counter = "aaaa";	2265	my $nuke_counter = "aaaa";
1637		2266
1638	sub nuke {	2267	sub nuke {
1639	my ($self) = @_;	2268	my ($self) = @_;
1640		2269
		2270	{
		2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2272
1641	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1642		2274
1643	$self->unlink_save;	2275	$self->unlink_save;
1644		2276
1645	bless $self, "cf::map";	2277	bless $self, "cf::map";
1646	delete $self->{deny_reset};	2278	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2279	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2280	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2281	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2282
1651	$cf::MAP{$self->path} = $self;	2283	$cf::MAP{$self->path} = $self;
		2284	}
1652		2285
1653	$self->reset; # polite request, might not happen	2286	$self->reset; # polite request, might not happen
		2287	}
		2288
		2289	=item $maps = cf::map::tmp_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	maps. May block.
		2293
		2294	=cut
		2295
		2296	sub tmp_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise $_
		2302	: ()
		2303	} @{ aio_readdir $TMPDIR or [] }
		2304	]
		2305	}
		2306
		2307	=item $maps = cf::map::random_maps
		2308
		2309	Returns an arrayref with all map paths of currently instantiated and saved
		2310	random maps. May block.
		2311
		2312	=cut
		2313
		2314	sub random_maps() {
		2315	[
		2316	map {
		2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise "?random/$_"
		2320	: ()
		2321	} @{ aio_readdir $RANDOMDIR or [] }
		2322	]
1654	}	2323	}
1655		2324
1656	=item cf::map::unique_maps	2325	=item cf::map::unique_maps
1657		2326
1658	Returns an arrayref of paths of all shared maps that have	2327	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2328	instantiated unique items. May block.
1660		2329
1661	=cut	2330	=cut
1662		2331
1663	sub unique_maps() {	2332	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2333	[
1665	or return;	2334	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2335	utf8::decode $_;
1671	next if /\.pst$/;	2336	/\.map$/
1672	next unless /^$PATH_SEP/o;	2337	? normalise $_
1673		2338	: ()
1674	push @paths, cf::map::normalise $_;	2339	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2340	]
1676
1677	\@paths
1678	}	2341	}
1679		2342
1680	package cf;	2343	package cf;
1681		2344
1682	=back	2345	=back
…		…
1700	map { $_, inv_recursive_ $_->inv } @_	2363	map { $_, inv_recursive_ $_->inv } @_
1701	}	2364	}
1702		2365
1703	sub inv_recursive {	2366	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2367	inv_recursive_ inv $_[0]
		2368	}
		2369
		2370	=item $ref = $ob->ref
		2371
		2372	creates and returns a persistent reference to an objetc that can be stored as a string.
		2373
		2374	=item $ob = cf::object::deref ($refstring)
		2375
		2376	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2377	even if the object actually exists. May block.
		2378
		2379	=cut
		2380
		2381	sub deref {
		2382	my ($ref) = @_;
		2383
		2384	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2385	my ($uuid, $name) = ($1, $2);
		2386	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2387	or return;
		2388	$pl->ob->uuid eq $uuid
		2389	or return;
		2390
		2391	$pl->ob
		2392	} else {
		2393	warn "$ref: cannot resolve object reference\n";
		2394	undef
		2395	}
1705	}	2396	}
1706		2397
1707	package cf;	2398	package cf;
1708		2399
1709	=back	2400	=back
…		…
1728		2419
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2421
1731	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1733	} else {	2425	} else {
		2426	my $pl = $self->contr;
		2427
		2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2429	my $dialog = $pl->{npc_dialog};
		2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2431
		2432	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2434	$self->message ($msg, $flags);
		2435	}
1736	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
1737	}	2447	}
1738		2448
1739	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1740		2450
1741	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1788	$self->deactivate_recursive;	2498	$self->deactivate_recursive;
1789		2499
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2500	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2501
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2503	if $self->map && $self->map->{path} ne "{link}";
1794		2504
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2505	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2506	}
1797		2507
1798	sub cf::object::player::leave_link {	2508	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2509	my ($self, $map, $x, $y) = @_;
		2510
		2511	return unless $self->contr->active;
1800		2512
1801	my $link_pos = delete $self->{_link_pos};	2513	my $link_pos = delete $self->{_link_pos};
1802		2514
1803	unless ($map) {	2515	unless ($map) {
1804	# restore original map position	2516	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2530	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2531	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2532	if $x <=0 && $y <= 0;
1821		2533
1822	$map->load;	2534	$map->load;
1823	$map->load_diag;	2535	$map->load_neighbours;
1824		2536
1825	return unless $self->contr->active;	2537	return unless $self->contr->active;
1826	$self->activate_recursive;	2538	$self->activate_recursive;
		2539
		2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1828	}	2542	}
1829		2543
1830	cf::player->attach (	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2545
1834	# abort map switching before logout	2546	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2547	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2549	the new (success) or old (failed) map position. In either case, $done will
1838	};	2550	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2551
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2552	=cut
		2553
		2554	our $GOTOGEN;
1865		2555
1866	sub cf::object::player::goto {	2556	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2557	my ($self, $path, $x, $y, $check, $done) = @_;
		2558
		2559	# do generation counting so two concurrent goto's will be executed in-order
		2560	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2561
1869	$self->enter_link;	2562	$self->enter_link;
1870		2563
1871	(async {	2564	(async {
		2565	$Coro::current->{desc} = "player::goto $path $x $y";
		2566
		2567	# *tag paths override both path and x|y
		2568	if ($path =~ /^\*(.*)$/) {
		2569	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2570	my $ob = $obs[rand @obs];
		2571
		2572	# see if we actually can go there
		2573	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2574	$ob = $obs[rand @obs];
		2575	} else {
		2576	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2577	}
		2578	# else put us there anyways for now #d#
		2579
		2580	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2581	} else {
		2582	($path, $x, $y) = (undef, undef, undef);
		2583	}
		2584	}
		2585
1872	my $map = eval {	2586	my $map = eval {
1873	my $map = cf::map::find $path;	2587	my $map = defined $path ? cf::map::find $path : undef;
		2588
		2589	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2590	$map = $map->customise_for ($self);
		2591	$map = $check->($map) if $check && $map;
		2592	} else {
		2593	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	}
		2595
1875	$map	2596	$map
		2597	};
		2598
		2599	if ($@) {
		2600	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2601	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2602	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2603
		2604	if ($gen == $self->{_goto_generation}) {
		2605	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2606	$self->leave_link ($map, $x, $y);
		2607	}
		2608
		2609	$done->() if $done;
1880	})->prio (1);	2610	})->prio (1);
1881	}	2611	}
1882		2612
1883	=item $player_object->enter_exit ($exit_object)	2613	=item $player_object->enter_exit ($exit_object)
1884		2614
…		…
1921	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
1922	}	2652	}
1923		2653
1924	$rmp->{random_seed} ||= $exit->random_seed;	2654	$rmp->{random_seed} ||= $exit->random_seed;
1925		2655
1926	my $data = cf::to_json $rmp;	2656	my $data = cf::encode_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2657	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2658	my $meta = "$RANDOMDIR/$md5.meta";
1929		2659
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2660	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2661	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2662	undef $fh;
1933	aio_rename "$meta~", $meta;	2663	aio_rename "$meta~", $meta;
…		…
1942		2672
1943	return unless $self->type == cf::PLAYER;	2673	return unless $self->type == cf::PLAYER;
1944		2674
1945	if ($exit->slaying eq "/!") {	2675	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2676	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2677	# the problem is that $exit might not survive long enough
		2678	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2679	cf::sync_job { prepare_random_map $exit };
1948	}	2680	}
1949		2681
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2682	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2683	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2684	my $sp = $exit->stats->sp;
1953		2685
1954	$self->enter_link;	2686	$self->enter_link;
1955		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($slaying, $hp, $sp)
		2690	if $exit->flag (FLAG_DAMNED);
		2691
1956	(async {	2692	(async {
		2693	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2694
1957	$self->deactivate_recursive; # just to be sure	2695	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2696	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2697	$self->goto ($slaying, $hp, $sp);
1960		2698
1961	1;	2699	1;
1962	}) {	2700	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2705
1968	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2707	$self->leave_link;
1970	}	2708	}
1971	})->prio (1);	2709	})->prio (1);
…		…
1984		2722
1985	sub cf::client::send_drawinfo {	2723	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2724	my ($self, $text, $flags) = @_;
1987		2725
1988	utf8::encode $text;	2726	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2728	}
1991		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/uptime" => {
		2778	id => "infobox",
		2779	title => "Uptime",
		2780	reply => undef,
		2781	tooltip => "How long the server has been running since last restart",
		2782	},
		2783	"c/mapinfo" => {
		2784	id => "infobox",
		2785	title => "Map Info",
		2786	reply => undef,
		2787	tooltip => "Information related to the maps",
		2788	},
		2789	);
		2790
		2791	sub cf::client::send_msg {
		2792	my ($self, $channel, $msg, $color, @extra) = @_;
		2793
		2794	$msg = $self->pl->expand_cfpod ($msg);
		2795
		2796	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2797
		2798	# check predefined channels, for the benefit of C
		2799	if ($CHANNEL{$channel}) {
		2800	$channel = $CHANNEL{$channel};
		2801
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804
		2805	$channel = $channel->{id};
		2806
		2807	} elsif (ref $channel) {
		2808	# send meta info to client, if not yet sent
		2809	unless (exists $self->{channel}{$channel->{id}}) {
		2810	$self->{channel}{$channel->{id}} = $channel;
		2811	$self->ext_msg (channel_info => $channel)
		2812	if $self->can_msg;
		2813	}
		2814
		2815	$channel = $channel->{id};
		2816	}
		2817
		2818	return unless @extra || length $msg;
		2819
		2820	if ($self->can_msg) {
		2821	# default colour, mask it out
		2822	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2823	if $color & cf::NDI_DEF;
		2824
		2825	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2827	} else {
		2828	if ($color >= 0) {
		2829	# replace some tags by gcfclient-compatible ones
		2830	for ($msg) {
		2831	1 while
		2832	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2833	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2834	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2835	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2836	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2837	}
		2838
		2839	$color &= cf::NDI_COLOR_MASK;
		2840
		2841	utf8::encode $msg;
		2842
		2843	if (0 && $msg =~ /\[/) {
		2844	# COMMAND/INFO
		2845	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2846	} else {
		2847	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2848	$self->send_packet ("drawinfo $color $msg")
		2849	}
		2850	}
		2851	}
		2852	}
		2853
		2854	=item $client->ext_msg ($type, @msg)
		2855
		2856	Sends an ext event to the client.
		2857
		2858	=cut
		2859
		2860	sub cf::client::ext_msg($$@) {
		2861	my ($self, $type, @msg) = @_;
		2862
		2863	if ($self->extcmd == 2) {
		2864	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2865	} elsif ($self->extcmd == 1) { # TODO: remove
		2866	push @msg, msgtype => "event_$type";
		2867	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2868	}
		2869	}
		2870
		2871	=item $client->ext_reply ($msgid, @msg)
		2872
		2873	Sends an ext reply to the client.
		2874
		2875	=cut
		2876
		2877	sub cf::client::ext_reply($$@) {
		2878	my ($self, $id, @msg) = @_;
		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2882	} elsif ($self->extcmd == 1) {
		2883	#TODO: version 1, remove
		2884	unshift @msg, msgtype => "reply", msgid => $id;
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2886	}
		2887	}
1992		2888
1993	=item $success = $client->query ($flags, "text", \&cb)	2889	=item $success = $client->query ($flags, "text", \&cb)
1994		2890
1995	Queues a query to the client, calling the given callback with	2891	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2892	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2893	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2894
1999	Queries can fail, so check the return code. Or don't, as queries will become	2895	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2896	become reliable at some point in the future.
2001		2897
2002	=cut	2898	=cut
2003		2899
2004	sub cf::client::query {	2900	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2901	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2909	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2910	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2911
2016	$self->send_packet ($self->{query_queue}[0][0])	2912	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2913	if @{ $self->{query_queue} } == 1;
		2914
		2915	1
2018	}	2916	}
2019		2917
2020	cf::client->attach (	2918	cf::client->attach (
		2919	on_connect => sub {
		2920	my ($ns) = @_;
		2921
		2922	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2923	},
2021	on_reply => sub {	2924	on_reply => sub {
2022	my ($ns, $msg) = @_;	2925	my ($ns, $msg) = @_;
2023		2926
2024	# this weird shuffling is so that direct followup queries	2927	# this weird shuffling is so that direct followup queries
2025	# get handled first	2928	# get handled first
…		…
2037	} else {	2940	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2941	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2942	}
2040	}	2943	}
2041	},	2944	},
		2945	on_exticmd => sub {
		2946	my ($ns, $buf) = @_;
		2947
		2948	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2949
		2950	if (ref $msg) {
		2951	my ($type, $reply, @payload) =
		2952	"ARRAY" eq ref $msg
		2953	? @$msg
		2954	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2955
		2956	my @reply;
		2957
		2958	if (my $cb = $EXTICMD{$type}) {
		2959	@reply = $cb->($ns, @payload);
		2960	}
		2961
		2962	$ns->ext_reply ($reply, @reply)
		2963	if $reply;
		2964
		2965	} else {
		2966	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2967	}
		2968
		2969	cf::override;
		2970	},
2042	);	2971	);
2043		2972
2044	=item $client->async (\&cb)	2973	=item $client->async (\&cb)
2045		2974
2046	Create a new coroutine, running the specified callback. The coroutine will	2975	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3016	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3017	our $safe_hole = new Safe::Hole;
2089		3018
2090	$SIG{FPE} = 'IGNORE';	3019	$SIG{FPE} = 'IGNORE';
2091		3020
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3021	$safe->permit_only (Opcode::opset qw(
		3022	:base_core :base_mem :base_orig :base_math
		3023	grepstart grepwhile mapstart mapwhile
		3024	sort time
		3025	));
2093		3026
2094	# here we export the classes and methods available to script code	3027	# here we export the classes and methods available to script code
2095		3028
2096	=pod	3029	=pod
2097		3030
2098	The following fucntions and emthods are available within a safe environment:	3031	The following functions and methods are available within a safe environment:
2099		3032
2100	cf::object contr pay_amount pay_player map	3033	cf::object
		3034	contr pay_amount pay_player map x y force_find force_add destroy
		3035	insert remove name archname title slaying race decrease_ob_nr
		3036
2101	cf::object::player player	3037	cf::object::player
2102	cf::player peaceful	3038	player
2103	cf::map trigger	3039
		3040	cf::player
		3041	peaceful
		3042
		3043	cf::map
		3044	trigger
2104		3045
2105	=cut	3046	=cut
2106		3047
2107	for (	3048	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3049	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3050	insert remove inv name archname title slaying race
		3051	decrease_ob_nr destroy)],
2109	["cf::object::player" => qw(player)],	3052	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3053	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3054	["cf::map" => qw(trigger)],
2112	) {	3055	) {
2113	no strict 'refs';	3056	no strict 'refs';
…		…
2184	=back	3127	=back
2185		3128
2186	=cut	3129	=cut
2187		3130
2188	#############################################################################	3131	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3132	# the server's init and main functions
2262		3133
2263	sub load_resources {	3134	sub load_facedata($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3135	my ($path) = @_;
		3136
		3137	# HACK to clear player env face cache, we need some signal framework
		3138	# for this (global event?)
		3139	%ext::player_env::MUSIC_FACE_CACHE = ();
		3140
		3141	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3142
		3143	warn "loading facedata from $path\n";
		3144
		3145	my $facedata;
		3146	0 < aio_load $path, $facedata
		3147	or die "$path: $!";
		3148
		3149	$facedata = Coro::Storable::thaw $facedata;
		3150
		3151	$facedata->{version} == 2
		3152	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3153
		3154	# patch in the exptable
		3155	$facedata->{resource}{"res/exp_table"} = {
		3156	type => FT_RSRC,
		3157	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3158	};
		3159	cf::cede_to_tick;
		3160
		3161	{
		3162	my $faces = $facedata->{faceinfo};
		3163
		3164	while (my ($face, $info) = each %$faces) {
		3165	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3166
		3167	cf::face::set_visibility $idx, $info->{visibility};
		3168	cf::face::set_magicmap $idx, $info->{magicmap};
		3169	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3170	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3171
		3172	cf::cede_to_tick;
		3173	}
		3174
		3175	while (my ($face, $info) = each %$faces) {
		3176	next unless $info->{smooth};
		3177
		3178	my $idx = cf::face::find $face
		3179	or next;
		3180
		3181	if (my $smooth = cf::face::find $info->{smooth}) {
		3182	cf::face::set_smooth $idx, $smooth;
		3183	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3184	} else {
		3185	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3186	}
		3187
		3188	cf::cede_to_tick;
		3189	}
		3190	}
		3191
		3192	{
		3193	my $anims = $facedata->{animinfo};
		3194
		3195	while (my ($anim, $info) = each %$anims) {
		3196	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3197	cf::cede_to_tick;
		3198	}
		3199
		3200	cf::anim::invalidate_all; # d'oh
		3201	}
		3202
		3203	{
		3204	# TODO: for gcfclient pleasure, we should give resources
		3205	# that gcfclient doesn't grok a >10000 face index.
		3206	my $res = $facedata->{resource};
		3207
		3208	while (my ($name, $info) = each %$res) {
		3209	if (defined $info->{type}) {
		3210	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3211	my $data;
		3212
		3213	if ($info->{type} & 1) {
		3214	# prepend meta info
		3215
		3216	my $meta = $enc->encode ({
		3217	name => $name,
		3218	%{ $info->{meta} || {} },
		3219	});
		3220
		3221	$data = pack "(w/a*)*", $meta, $info->{data};
		3222	} else {
		3223	$data = $info->{data};
		3224	}
		3225
		3226	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3227	cf::face::set_type $idx, $info->{type};
		3228	} else {
		3229	$RESOURCE{$name} = $info;
		3230	}
		3231
		3232	cf::cede_to_tick;
		3233	}
		3234	}
		3235
		3236	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3237
		3238	1
		3239	}
		3240
		3241	cf::global->attach (on_resource_update => sub {
		3242	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3243	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3244
		3245	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3246	my $sound = $soundconf->{compat}[$_]
		3247	or next;
		3248
		3249	my $face = cf::face::find "sound/$sound->[1]";
		3250	cf::sound::set $sound->[0] => $face;
		3251	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3252	}
		3253
		3254	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3255	my $face = cf::face::find "sound/$v";
		3256	cf::sound::set $k => $face;
		3257	}
		3258	}
		3259	});
		3260
		3261	register_exticmd fx_want => sub {
		3262	my ($ns, $want) = @_;
		3263
		3264	while (my ($k, $v) = each %$want) {
		3265	$ns->fx_want ($k, $v);
		3266	}
		3267	};
		3268
		3269	sub reload_regions {
		3270	# HACK to clear player env face cache, we need some signal framework
		3271	# for this (global event?)
		3272	%ext::player_env::MUSIC_FACE_CACHE = ();
		3273
		3274	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	3275	or die "unable to load regions file\n";
2266	}
2267		3276
2268	sub cfg_load {	3277	for (cf::region::list) {
		3278	$_->{match} = qr/$_->{match}/
		3279	if exists $_->{match};
		3280	}
		3281	}
		3282
		3283	sub reload_facedata {
		3284	load_facedata "$DATADIR/facedata"
		3285	or die "unable to load facedata\n";
		3286	}
		3287
		3288	sub reload_archetypes {
		3289	load_resource_file "$DATADIR/archetypes"
		3290	or die "unable to load archetypes\n";
		3291	#d# NEED to laod twice to resolve forward references
		3292	# this really needs to be done in an extra post-pass
		3293	# (which needs to be synchronous, so solve it differently)
		3294	load_resource_file "$DATADIR/archetypes"
		3295	or die "unable to load archetypes\n";
		3296	}
		3297
		3298	sub reload_treasures {
		3299	load_resource_file "$DATADIR/treasures"
		3300	or die "unable to load treasurelists\n";
		3301	}
		3302
		3303	sub reload_resources {
		3304	warn "reloading resource files...\n";
		3305
		3306	reload_regions;
		3307	reload_facedata;
		3308	#reload_archetypes;#d#
		3309	reload_archetypes;
		3310	reload_treasures;
		3311
		3312	warn "finished reloading resource files\n";
		3313	}
		3314
		3315	sub init {
		3316	reload_resources;
		3317	}
		3318
		3319	sub reload_config {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3320	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3321	or return;
2271		3322
2272	local $/;	3323	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3324	*CFG = YAML::Load <$fh>;
2274		3325
2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3326	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2276		3327
2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3328	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3329	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2284	};	3335	};
2285	warn $@ if $@;	3336	warn $@ if $@;
2286	}	3337	}
2287	}	3338	}
2288		3339
2289	sub init {
2290	load_resources;
2291	}
2292
2293	sub main {	3340	sub main {
2294	# we must not ever block the main coroutine	3341	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3342	local $Coro::idle = sub {
2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3343	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297	(async {	3344	(async {
2298	Event::one_event;	3345	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3346	EV::loop EV::LOOP_ONESHOT;
2299	})->prio (Coro::PRIO_MAX);	3347	})->prio (Coro::PRIO_MAX);
2300	};	3348	};
2301		3349
2302	cfg_load;	3350	reload_config;
2303	db_init;	3351	db_init;
2304	load_extensions;	3352	load_extensions;
2305		3353
2306	$TICK_WATCHER->start;	3354	$TICK_WATCHER->start;
		3355	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2307	Event::loop;	3356	EV::loop;
2308	}	3357	}
2309		3358
2310	#############################################################################	3359	#############################################################################
2311	# initialisation and cleanup	3360	# initialisation and cleanup
2312		3361
2313	# install some emergency cleanup handlers	3362	# install some emergency cleanup handlers
2314	BEGIN {	3363	BEGIN {
		3364	our %SIGWATCHER = ();
2315	for my $signal (qw(INT HUP TERM)) {	3365	for my $signal (qw(INT HUP TERM)) {
2316	Event->signal (	3366	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2317	reentrant => 0,
2318	data => WF_AUTOCANCEL,
2319	signal => $signal,
2320	prio => 0,
2321	cb => sub {
2322	cf::cleanup "SIG$signal";	3367	cf::cleanup "SIG$signal";
2323	},
2324	);	3368	};
		3369	}
		3370	}
		3371
		3372	sub write_runtime {
		3373	my $runtime = "$LOCALDIR/runtime";
		3374
		3375	# first touch the runtime file to show we are still running:
		3376	# the fsync below can take a very very long time.
		3377
		3378	IO::AIO::aio_utime $runtime, undef, undef;
		3379
		3380	my $guard = cf::lock_acquire "write_runtime";
		3381
		3382	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3383	or return;
		3384
		3385	my $value = $cf::RUNTIME + 90 + 10;
		3386	# 10 is the runtime save interval, for a monotonic clock
		3387	# 60 allows for the watchdog to kill the server.
		3388
		3389	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3390	and return;
		3391
		3392	# always fsync - this file is important
		3393	aio_fsync $fh
		3394	and return;
		3395
		3396	# touch it again to show we are up-to-date
		3397	aio_utime $fh, undef, undef;
		3398
		3399	close $fh
		3400	or return;
		3401
		3402	aio_rename "$runtime~", $runtime
		3403	and return;
		3404
		3405	warn "runtime file written.\n";
		3406
2325	}	3407	1
2326	}	3408	}
2327		3409
2328	sub emergency_save() {	3410	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3411	my $freeze_guard = cf::freeze_mainloop;
2330		3412
…		…
2336	# and maps saved/destroyed asynchronously.	3418	# and maps saved/destroyed asynchronously.
2337	warn "begin emergency player save\n";	3419	warn "begin emergency player save\n";
2338	for my $login (keys %cf::PLAYER) {	3420	for my $login (keys %cf::PLAYER) {
2339	my $pl = $cf::PLAYER{$login} or next;	3421	my $pl = $cf::PLAYER{$login} or next;
2340	$pl->valid or next;	3422	$pl->valid or next;
		3423	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341	$pl->save;	3424	$pl->save;
2342	}	3425	}
2343	warn "end emergency player save\n";	3426	warn "end emergency player save\n";
2344		3427
2345	warn "begin emergency map save\n";	3428	warn "begin emergency map save\n";
…		…
2363		3446
2364	warn Carp::longmess "post_cleanup backtrace"	3447	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3448	if $make_core;
2366	}	3449	}
2367		3450
2368	sub reload() {	3451	sub do_reload_perl() {
2369	# can/must only be called in main	3452	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3453	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3454	warn "can only reload from main coroutine";
2372	return;	3455	return;
2373	}	3456	}
2374		3457
2375	warn "reloading...";	3458	warn "reloading...";
2376		3459
2377	warn "cancelling server ticker";	3460	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3461
		3462	cf::sync_job {
		3463	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3464	cf::emergency_save;
		3465	cf::write_runtime; # external watchdog should not bark
2381		3466
2382	eval {	3467	warn "syncing database to disk";
		3468	BDB::db_env_txn_checkpoint $DB_ENV;
		3469
2383	# if anything goes wrong in here, we should simply crash as we already saved	3470	# if anything goes wrong in here, we should simply crash as we already saved
2384
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392		3471
2393	warn "flushing outstanding aio requests";	3472	warn "flushing outstanding aio requests";
2394	for (;;) {	3473	for (;;) {
2395	BDB::flush;	3474	BDB::flush;
2396	IO::AIO::flush;	3475	IO::AIO::flush;
2397	Coro::cede;	3476	Coro::cede_notself;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3477	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3478	warn "iterate...";
2400	}	3479	}
		3480
		3481	++$RELOAD;
2401		3482
2402	warn "cancelling all extension coros";	3483	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3484	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3485	%EXT_CORO = ();
2405		3486
2406	warn "removing commands";	3487	warn "removing commands";
2407	%COMMAND = ();	3488	%COMMAND = ();
2408		3489
2409	warn "removing ext commands";	3490	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3491	%EXTCMD = ();
		3492	%EXTICMD = ();
2411		3493
2412	warn "unloading/nuking all extensions";	3494	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3495	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3496	warn "... unloading $pkg";
2415		3497
…		…
2445	Symbol::delete_package "safe::$_"	3527	Symbol::delete_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3529
2448	warn "unloading cf.pm \"a bit\"";	3530	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3531	delete $INC{"cf.pm"};
		3532	delete $INC{"cf/pod.pm"};
2450		3533
2451	# don't, removes xs symbols, too,	3534	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3535	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3536	#Symbol::delete_package __PACKAGE__;
2454		3537
…		…
2457	warn "reloading cf.pm";	3540	warn "reloading cf.pm";
2458	require cf;	3541	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3542	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3543
2461	warn "loading config and database again";	3544	warn "loading config and database again";
2462	cf::cfg_load;	3545	cf::reload_config;
2463		3546
2464	warn "loading extensions";	3547	warn "loading extensions";
2465	cf::load_extensions;	3548	cf::load_extensions;
2466		3549
2467	warn "reattaching attachments to objects/players";	3550	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3551	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3552	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3553	reattach $_ for values %MAP;
		3554	warn "reattaching attachments to players";
		3555	reattach $_ for values %PLAYER;
2471		3556
2472	warn "loading reloadable resources";	3557	warn "leaving sync_job";
2473	load_resources;
2474		3558
2475	warn "restarting server ticker";	3559	1
2476		3560	} or do {
2477	$TICK_WATCHER->start;	3561	warn $@;
		3562	cf::cleanup "error while reloading, exiting.";
2478	};	3563	};
2479
2480	if ($@) {
2481	warn $@;
2482	warn "error while reloading, exiting.";
2483	exit 1;
2484	}
2485		3564
2486	warn "reloaded";	3565	warn "reloaded";
2487	};	3566	};
2488		3567
2489	our $RELOAD_WATCHER; # used only during reload	3568	our $RELOAD_WATCHER; # used only during reload
2490		3569
		3570	sub reload_perl() {
		3571	# doing reload synchronously and two reloads happen back-to-back,
		3572	# coro crashes during coro_state_free->destroy here.
		3573
		3574	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3575	do_reload_perl;
		3576	undef $RELOAD_WATCHER;
		3577	};
		3578	}
		3579
2491	register_command "reload" => sub {	3580	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3581	my ($who, $arg) = @_;
2493		3582
2494	if ($who->flag (FLAG_WIZ)) {	3583	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3584	$who->message ("reloading server.");
2496		3585	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	3586	$Coro::current->{desc} = "perl_reload";
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;	3587	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	3588	};
2509	}	3589	}
2510	};	3590	};
2511		3591
2512	unshift @INC, $LIBDIR;	3592	unshift @INC, $LIBDIR;
2513		3593
2514	my $bug_warning = 0;	3594	my $bug_warning = 0;
2515		3595
2516	$TICK_WATCHER = Event->timer (	3596	our @WAIT_FOR_TICK;
2517	reentrant => 0,	3597	our @WAIT_FOR_TICK_BEGIN;
2518	parked => 1,	3598
2519	prio => 0,	3599	sub wait_for_tick {
2520	at => $NEXT_TICK || $TICK,	3600	return unless $TICK_WATCHER->is_active;
2521	data => WF_AUTOCANCEL,	3601	return if $Coro::current == $Coro::main;
2522	cb => sub {	3602
		3603	my $signal = new Coro::Signal;
		3604	push @WAIT_FOR_TICK, $signal;
		3605	$signal->wait;
		3606	}
		3607
		3608	sub wait_for_tick_begin {
		3609	return unless $TICK_WATCHER->is_active;
		3610	return if $Coro::current == $Coro::main;
		3611
		3612	my $signal = new Coro::Signal;
		3613	push @WAIT_FOR_TICK_BEGIN, $signal;
		3614	$signal->wait;
		3615	}
		3616
		3617	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2523	if ($Coro::current != $Coro::main) {	3618	if ($Coro::current != $Coro::main) {
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3619	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3620	unless ++$bug_warning > 10;
2526	return;	3621	return;
2527	}	3622	}
2528		3623
2529	$NOW = Event::time;	3624	$NOW = $tick_start = EV::now;
2530		3625
2531	cf::server_tick; # one server iteration	3626	cf::server_tick; # one server iteration
		3627
2532	$RUNTIME += $TICK;	3628	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;	3629	$NEXT_TICK = $_[0]->at;
2534		3630
2535	$WAIT_FOR_TICK->broadcast;	3631	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3632	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2537		3633	Coro::async_pool {
2538	Event::sweep;	3634	$Coro::current->{desc} = "runtime saver";
2539	Coro::cede_notself;	3635	write_runtime
		3636	or warn "ERROR: unable to write runtime file: $!";
2540		3637	};
2541	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#
2543
2544	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2546
2547	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;
2549	},	3638	}
2550	);	3639
		3640	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3641	$sig->send;
		3642	}
		3643	while (my $sig = shift @WAIT_FOR_TICK) {
		3644	$sig->send;
		3645	}
		3646
		3647	$LOAD = ($NOW - $tick_start) / $TICK;
		3648	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3649
		3650	_post_tick;
		3651	};
		3652	$TICK_WATCHER->priority (EV::MAXPRI);
2551		3653
2552	{	3654	{
2553	BDB::max_poll_time $TICK * 0.1;	3655	# configure BDB
2554	$BDB_POLL_WATCHER = Event->io (	3656
2555	reentrant => 0,
2556	fd => BDB::poll_fileno,
2557	poll => 'r',
2558	prio => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,
2561	);
2562	BDB::min_parallel 8;	3657	BDB::min_parallel 8;
2563		3658	BDB::max_poll_reqs $TICK * 0.1;
2564	BDB::set_sync_prepare {	3659	$Coro::BDB::WATCHER->priority (1);
2565	my $status;
2566	my $current = $Coro::current;
2567	(
2568	sub {
2569	$status = $!;
2570	$current->ready; undef $current;
2571	},
2572	sub {
2573	Coro::schedule while defined $current;
2574	$! = $status;
2575	},
2576	)
2577	};
2578		3660
2579	unless ($DB_ENV) {	3661	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	3662	$DB_ENV = BDB::db_env_create;
		3663	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3664	| BDB::LOG_AUTOREMOVE, 1);
		3665	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3666	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581		3667
2582	cf::sync_job {	3668	cf::sync_job {
2583	eval {	3669	eval {
2584	BDB::db_env_open	3670	BDB::db_env_open
2585	$DB_ENV,	3671	$DB_ENV,
2586	$BDB_ENV_DIR,	3672	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3673	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3674	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3675	0666;
2590		3676
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3677	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;
2595	};	3678	};
2596		3679
2597	cf::cleanup "db_env_open(db): $@" if $@;	3680	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	3681	};
2599	}	3682	}
		3683
		3684	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3685	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3686	};
		3687	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3688	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3689	};
		3690	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3691	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3692	};
2600	}	3693	}
2601		3694
2602	{	3695	{
		3696	# configure IO::AIO
		3697
2603	IO::AIO::min_parallel 8;	3698	IO::AIO::min_parallel 8;
2604
2605	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3699	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3700	$Coro::AIO::WATCHER->priority (1);
2608	reentrant => 0,
2609	fd => IO::AIO::poll_fileno,
2610	poll => 'r',
2611	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,
2614	);
2615	}	3701	}
2616		3702
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3703	my $_log_backtrace;
2618	reentrant => 0,	3704
2619	data => WF_AUTOCANCEL,	3705	sub _log_backtrace {
2620	after => 1,	3706	my ($msg, @addr) = @_;
2621	interval => 10,	3707
2622	prio => 6, # keep it lowest so it acts like a watchdog	3708	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3709
2624	write_runtime	3710	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3711	if ($_log_backtrace < 2) {
		3712	++$_log_backtrace;
		3713	async {
		3714	$Coro::current->{desc} = "abt $msg";
		3715
		3716	my @bt = fork_call {
		3717	@addr = map { sprintf "%x", $_ } @addr;
		3718	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3719	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3720	or die "addr2line: $!";
		3721
		3722	my @funcs;
		3723	my @res = <$fh>;
		3724	chomp for @res;
		3725	while (@res) {
		3726	my ($func, $line) = splice @res, 0, 2, ();
		3727	push @funcs, "[$func] $line";
		3728	}
		3729
		3730	@funcs
		3731	};
		3732
		3733	LOG llevInfo, "[ABT] $msg\n";
		3734	LOG llevInfo, "[ABT] $_\n" for @bt;
		3735	--$_log_backtrace;
		3736	};
		3737	} else {
		3738	LOG llevInfo, "[ABT] $msg\n";
		3739	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3740	}
2627	);	3741	}
		3742
		3743	# load additional modules
		3744	use cf::pod;
2628		3745
2629	END { cf::emergency_save }	3746	END { cf::emergency_save }
2630		3747
2631	1	3748	1
2632		3749

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