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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.216 by root, Thu Feb 15 14:30:21 2007 UTC vs.
Revision 1.408 by root, Mon Jan 14 10:12:12 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 $NEXT_RUNTIME_WRITE; # when should the runtime file be written	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	warn Carp::longmess $_[0];
		198	Coro::terminate;
		199	};
155		200
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	204	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	205	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		206	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	207	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		208
163	# we bless all objects into (empty) derived classes to force a method lookup	209	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	210	# within the Safe compartment.
165	for my $pkg (qw(	211	for my $pkg (qw(
166	cf::global cf::attachable	212	cf::global cf::attachable
…		…
171	)) {	217	)) {
172	no strict 'refs';	218	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	220	}
175		221
176	$Event::DIED = sub {	222	$EV::DIED = sub {
177	warn "error in event callback: @_";	223	warn "error in event callback: @_";
178	};	224	};
		225
		226	#############################################################################
179		227
180	=head2 UTILITY FUNCTIONS	228	=head2 UTILITY FUNCTIONS
181		229
182	=over 4	230	=over 4
183		231
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	250	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	251	$d
204	} || "[unable to dump $_[0]: '$@']";	252	} || "[unable to dump $_[0]: '$@']";
205	}	253	}
206		254
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	255	=item $ref = cf::decode_json $json
210		256
211	Converts a JSON string into the corresponding perl data structure.	257	Converts a JSON string into the corresponding perl data structure.
212		258
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	259	=item $json = cf::encode_json $ref
221		260
222	Converts a perl data structure into its JSON representation.	261	Converts a perl data structure into its JSON representation.
223		262
224	=cut	263	=cut
225		264
226	sub to_json($) {	265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	266
228	JSON::Syck::Dump $_[0]	267	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	268	sub decode_json($) { $json_coder->decode ($_[0]) }
230		269
231	=item cf::lock_wait $string	270	=item cf::lock_wait $string
232		271
233	Wait until the given lock is available. See cf::lock_acquire.	272	Wait until the given lock is available. See cf::lock_acquire.
234		273
…		…
237	Wait until the given lock is available and then acquires it and returns	276	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,	277	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	278	for example when the coroutine gets canceled), the lock is automatically
240	returned.	279	returned.
241		280
		281	Locks are *not* recursive, locking from the same coro twice results in a
		282	deadlocked coro.
		283
242	Lock names should begin with a unique identifier (for example, cf::map::find	284	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	285	uses map_find and cf::map::load uses map_load).
244		286
		287	=item $locked = cf::lock_active $string
		288
		289	Return true if the lock is currently active, i.e. somebody has locked it.
		290
245	=cut	291	=cut
246		292
247	our %LOCK;	293	our %LOCK;
		294	our %LOCKER;#d#
248		295
249	sub lock_wait($) {	296	sub lock_wait($) {
250	my ($key) = @_;	297	my ($key) = @_;
		298
		299	if ($LOCKER{$key} == $Coro::current) {#d#
		300	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		301	return;#d#
		302	}#d#
251		303
252	# wait for lock, if any	304	# wait for lock, if any
253	while ($LOCK{$key}) {	305	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	306	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	307	Coro::schedule;
…		…
261		313
262	# wait, to be sure we are not locked	314	# wait, to be sure we are not locked
263	lock_wait $key;	315	lock_wait $key;
264		316
265	$LOCK{$key} = [];	317	$LOCK{$key} = [];
		318	$LOCKER{$key} = $Coro::current;#d#
266		319
267	Coro::guard {	320	Coro::guard {
		321	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	322	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	323	$_->ready for @{ delete $LOCK{$key} };
270	}	324	}
		325	}
		326
		327	sub lock_active($) {
		328	my ($key) = @_;
		329
		330	! ! $LOCK{$key}
271	}	331	}
272		332
273	sub freeze_mainloop {	333	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	334	return unless $TICK_WATCHER->is_active;
275		335
…		…
278	};	338	};
279	$TICK_WATCHER->stop;	339	$TICK_WATCHER->stop;
280	$guard	340	$guard
281	}	341	}
282		342
		343	=item cf::periodic $interval, $cb
		344
		345	Like EV::periodic, but randomly selects a starting point so that the actions
		346	get spread over timer.
		347
		348	=cut
		349
		350	sub periodic($$) {
		351	my ($interval, $cb) = @_;
		352
		353	my $start = rand List::Util::min 180, $interval;
		354
		355	EV::periodic $start, $interval, 0, $cb
		356	}
		357
		358	=item cf::get_slot $time[, $priority[, $name]]
		359
		360	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		361	This call blocks and returns only when you have at least C<$time> seconds
		362	of cpu time till the next tick. The slot is only valid till the next cede.
		363
		364	The optional C<$name> can be used to identify the job to run. It might be
		365	used for statistical purposes and should identify the same time-class.
		366
		367	Useful for short background jobs.
		368
		369	=cut
		370
		371	our @SLOT_QUEUE;
		372	our $SLOT_QUEUE;
		373
		374	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		375	$SLOT_QUEUE = Coro::async {
		376	$Coro::current->desc ("timeslot manager");
		377
		378	my $signal = new Coro::Signal;
		379
		380	while () {
		381	next_job:
		382	my $avail = cf::till_tick;
		383	if ($avail > 0.01) {
		384	for (0 .. $#SLOT_QUEUE) {
		385	if ($SLOT_QUEUE[$_][0] < $avail) {
		386	my $job = splice @SLOT_QUEUE, $_, 1, ();
		387	$job->[2]->send;
		388	Coro::cede;
		389	goto next_job;
		390	}
		391	}
		392	}
		393
		394	if (@SLOT_QUEUE) {
		395	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		396	push @cf::WAIT_FOR_TICK, $signal;
		397	$signal->wait;
		398	} else {
		399	Coro::schedule;
		400	}
		401	}
		402	};
		403
		404	sub get_slot($;$$) {
		405	my ($time, $pri, $name) = @_;
		406
		407	$time = $TICK * .6 if $time > $TICK * .6;
		408	my $sig = new Coro::Signal;
		409
		410	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		411	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		412	$SLOT_QUEUE->ready;
		413	$sig->wait;
		414	}
		415
283	=item cf::async { BLOCK }	416	=item cf::async { BLOCK }
284		417
285	Currently the same as Coro::async_pool, meaning you cannot use	418	Currently the same as Coro::async_pool, meaning you cannot use
286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	419	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287	thing you are allowed to do is call C<prio> on it.	420	thing you are allowed to do is call C<prio> on it.
…		…
290		423
291	BEGIN { *async = \&Coro::async_pool }	424	BEGIN { *async = \&Coro::async_pool }
292		425
293	=item cf::sync_job { BLOCK }	426	=item cf::sync_job { BLOCK }
294		427
295	The design of crossfire+ requires that the main coro ($Coro::main) is	428	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	429	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	430	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		431	acceptable.
298		432
299	If it must be done, put the blocking parts into C<sync_job>. This will run	433	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	434	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	435	server will be frozen during this time, so the block should either finish
302	fast or be very important.	436	fast or be very important.
…		…
305		439
306	sub sync_job(&) {	440	sub sync_job(&) {
307	my ($job) = @_;	441	my ($job) = @_;
308		442
309	if ($Coro::current == $Coro::main) {	443	if ($Coro::current == $Coro::main) {
		444	my $time = EV::time;
		445
310	# this is the main coro, too bad, we have to block	446	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	447	# till the operation succeeds, freezing the server :/
312		448
		449	LOG llevError, Carp::longmess "sync job";#d#
		450
313	# TODO: use suspend/resume instead	451	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	452	# (but this is cancel-safe)
315	my $freeze_guard = freeze_mainloop;	453	my $freeze_guard = freeze_mainloop;
316		454
317	my $busy = 1;	455	my $busy = 1;
318	my @res;	456	my @res;
319		457
320	(async {	458	(async {
		459	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	460	@res = eval { $job->() };
322	warn $@ if $@;	461	warn $@ if $@;
323	undef $busy;	462	undef $busy;
324	})->prio (Coro::PRIO_MAX);	463	})->prio (Coro::PRIO_MAX);
325		464
326	while ($busy) {	465	while ($busy) {
327	Coro::cede or Event::one_event;	466	if (Coro::nready) {
		467	Coro::cede_notself;
		468	} else {
		469	EV::loop EV::LOOP_ONESHOT;
328	}	470	}
		471	}
		472
		473	$time = EV::time - $time;
		474
		475	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		476	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		477
		478	$tick_start += $time; # do not account sync jobs to server load
329		479
330	wantarray ? @res : $res[0]	480	wantarray ? @res : $res[0]
331	} else {	481	} else {
332	# we are in another coroutine, how wonderful, everything just works	482	# we are in another coroutine, how wonderful, everything just works
333		483
…		…
353	$EXT_CORO{$coro+0} = $coro;	503	$EXT_CORO{$coro+0} = $coro;
354		504
355	$coro	505	$coro
356	}	506	}
357		507
358	sub write_runtime {	508	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		509
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	510	Executes the given code block with the given arguments in a seperate
362	or return;	511	process, returning the results. Everything must be serialisable with
		512	Coro::Storable. May, of course, block. Note that the executed sub may
		513	never block itself or use any form of event handling.
363		514
364	my $value = $cf::RUNTIME + 90 + 10;	515	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		516
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	517	sub fork_call(&@) {
369	and return;	518	my ($cb, @args) = @_;
370		519
371	# always fsync - this file is important	520	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	521	# otherwise perl prematurely frees the stuff :/
373	and return;	522	# TODO: investigate and fix (likely this will be rather laborious)
374		523
375	close $fh	524	my @res = Coro::Util::fork_eval {
376	or return;	525	reset_signals;
		526	&$cb
		527	}, @args;
377		528
378	aio_rename "$runtime~", $runtime	529	wantarray ? @res : $res[-1]
379	and return;	530	}
380		531
		532	=item $value = cf::db_get $family => $key
		533
		534	Returns a single value from the environment database.
		535
		536	=item cf::db_put $family => $key => $value
		537
		538	Stores the given C<$value> in the family. It can currently store binary
		539	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		540
		541	=item $db = cf::db_table "name"
		542
		543	Create and/or open a new database table. The string must not be "db" and must be unique
		544	within each server.
		545
		546	=cut
		547
		548	sub db_table($) {
		549	my ($name) = @_;
		550	my $db = BDB::db_create $DB_ENV;
		551
		552	eval {
		553	$db->set_flags (BDB::CHKSUM);
		554
		555	utf8::encode $name;
		556	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		557	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		558	cf::cleanup "db_open(db): $!" if $!;
		559	};
		560	cf::cleanup "db_open(db): $@" if $@;
		561
		562	$db
		563	}
		564
		565	our $DB;
		566
		567	sub db_init {
		568	cf::sync_job {
		569	$DB ||= db_table "db";
		570	};
		571	}
		572
		573	sub db_get($$) {
		574	my $key = "$_[0]/$_[1]";
		575
		576	cf::sync_job {
		577	BDB::db_get $DB, undef, $key, my $data;
		578
		579	$! ? ()
		580	: $data
381	1	581	}
		582	}
		583
		584	sub db_put($$$) {
		585	BDB::dbreq_pri 4;
		586	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		587	}
		588
		589	=item cf::cache $id => [$paths...], $processversion => $process
		590
		591	Generic caching function that returns the value of the resource $id,
		592	caching and regenerating as required.
		593
		594	This function can block.
		595
		596	=cut
		597
		598	sub cache {
		599	my ($id, $src, $processversion, $process) = @_;
		600
		601	my $meta =
		602	join "\x00",
		603	$processversion,
		604	map {
		605	aio_stat $_
		606	and Carp::croak "$_: $!";
		607
		608	($_, (stat _)[7,9])
		609	} @$src;
		610
		611	my $dbmeta = db_get cache => "$id/meta";
		612	if ($dbmeta ne $meta) {
		613	# changed, we may need to process
		614
		615	my @data;
		616	my $md5;
		617
		618	for (0 .. $#$src) {
		619	0 <= aio_load $src->[$_], $data[$_]
		620	or Carp::croak "$src->[$_]: $!";
		621	}
		622
		623	# if processing is expensive, check
		624	# checksum first
		625	if (1) {
		626	$md5 =
		627	join "\x00",
		628	$processversion,
		629	map {
		630	cf::cede_to_tick;
		631	($src->[$_], Digest::MD5::md5_hex $data[$_])
		632	} 0.. $#$src;
		633
		634
		635	my $dbmd5 = db_get cache => "$id/md5";
		636	if ($dbmd5 eq $md5) {
		637	db_put cache => "$id/meta", $meta;
		638
		639	return db_get cache => "$id/data";
		640	}
		641	}
		642
		643	my $t1 = Time::HiRes::time;
		644	my $data = $process->(\@data);
		645	my $t2 = Time::HiRes::time;
		646
		647	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		648
		649	db_put cache => "$id/data", $data;
		650	db_put cache => "$id/md5" , $md5;
		651	db_put cache => "$id/meta", $meta;
		652
		653	return $data;
		654	}
		655
		656	db_get cache => "$id/data"
		657	}
		658
		659	=item cf::datalog type => key => value, ...
		660
		661	Log a datalog packet of the given type with the given key-value pairs.
		662
		663	=cut
		664
		665	sub datalog($@) {
		666	my ($type, %kv) = @_;
		667	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	668	}
383		669
384	=back	670	=back
385		671
386	=cut	672	=cut
…		…
393	attach callbacks/event handlers (a collection of which is called an "attachment")	679	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	680	to it. All such attachable objects support the following methods.
395		681
396	In the following description, CLASS can be any of C<global>, C<object>	682	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	683	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	684	Deliantra).
399		685
400	=over 4	686	=over 4
401		687
402	=item $attachable->attach ($attachment, key => $value...)	688	=item $attachable->attach ($attachment, key => $value...)
403		689
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	852	$registry = $CB_TYPE[$object_type] ||= [];
567		853
568	} elsif ($type eq "subtype") {	854	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	855	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	856	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	857	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		858
573	} elsif ($type eq "package") {	859	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	860	my $pkg = shift @arg;
575		861
576	while (my ($name, $id) = each %cb_id) {	862	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	891	_attach $registry, $klass, @attach;
606	}	892	}
607		893
608	$obj->{$name} = \%arg;	894	$obj->{$name} = \%arg;
609	} else {	895	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	896	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	897	}
612		898
613	$obj->{_attachment}{$name} = undef;	899	$obj->{_attachment}{$name} = undef;
614	}	900	}
615		901
…		…
617	if (ref $_[0]) {	903	if (ref $_[0]) {
618	_object_attach @_;	904	_object_attach @_;
619	} else {	905	} else {
620	_attach shift->_attach_registry, @_;	906	_attach shift->_attach_registry, @_;
621	}	907	}
		908	_recalc_want;
622	};	909	};
623		910
624	# all those should be optimised	911	# all those should be optimised
625	sub cf::attachable::detach {	912	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	913	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	916	delete $obj->{_attachment}{$name};
630	reattach ($obj);	917	reattach ($obj);
631	} else {	918	} else {
632	Carp::croak "cannot, currently, detach class attachments";	919	Carp::croak "cannot, currently, detach class attachments";
633	}	920	}
		921	_recalc_want;
634	};	922	};
635		923
636	sub cf::attachable::attached {	924	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	925	my ($obj, $name) = @_;
638		926
…		…
653	";	941	";
654	die if $@;	942	die if $@;
655	}	943	}
656		944
657	our $override;	945	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	946	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		947
660	sub override {	948	sub override {
661	$override = 1;	949	$override = 1;
662	@invoke_results = ();	950	@INVOKE_RESULTS = (@_);
663	}	951	}
664		952
665	sub do_invoke {	953	sub do_invoke {
666	my $event = shift;	954	my $event = shift;
667	my $callbacks = shift;	955	my $callbacks = shift;
668		956
669	@invoke_results = ();	957	@INVOKE_RESULTS = ();
670		958
671	local $override;	959	local $override;
672		960
673	for (@$callbacks) {	961	for (@$callbacks) {
674	eval { &{$_->[1]} };	962	eval { &{$_->[1]} };
…		…
683	}	971	}
684		972
685	0	973	0
686	}	974	}
687		975
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		977
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	978	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		979
692	Generate an object-specific event with the given arguments.	980	Generate an object-specific event with the given arguments.
693		981
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	982	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	983	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	984	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		985
698	=back	986	=back
699		987
700	=cut	988	=cut
701		989
702	#############################################################################	990	#############################################################################
703	# object support	991	# object support
		992
		993	sub _object_equal($$);
		994	sub _object_equal($$) {
		995	my ($a, $b) = @_;
		996
		997	return 0 unless (ref $a) eq (ref $b);
		998
		999	if ("HASH" eq ref $a) {
		1000	my @ka = keys %$a;
		1001	my @kb = keys %$b;
		1002
		1003	return 0 if @ka != @kb;
		1004
		1005	for (0 .. $#ka) {
		1006	return 0 unless $ka[$_] eq $kb[$_];
		1007	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1008	}
		1009
		1010	} elsif ("ARRAY" eq ref $a) {
		1011
		1012	return 0 if @$a != @$b;
		1013
		1014	for (0 .. $#$a) {
		1015	return 0 unless _object_equal $a->[$_], $b->[$_];
		1016	}
		1017
		1018	} elsif ($a ne $b) {
		1019	return 0;
		1020	}
		1021
		1022	1
		1023	}
		1024
		1025	our $SLOW_MERGES;#d#
		1026	sub _can_merge {
		1027	my ($ob1, $ob2) = @_;
		1028
		1029	++$SLOW_MERGES;#d#
		1030
		1031	# we do the slow way here
		1032	return _object_equal $ob1, $ob2
		1033	}
704		1034
705	sub reattach {	1035	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1036	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1037	my ($obj) = @_;
708		1038
…		…
729	cf::attachable->attach (	1059	cf::attachable->attach (
730	prio => -1000000,	1060	prio => -1000000,
731	on_instantiate => sub {	1061	on_instantiate => sub {
732	my ($obj, $data) = @_;	1062	my ($obj, $data) = @_;
733		1063
734	$data = from_json $data;	1064	$data = decode_json $data;
735		1065
736	for (@$data) {	1066	for (@$data) {
737	my ($name, $args) = @$_;	1067	my ($name, $args) = @$_;
738		1068
739	$obj->attach ($name, %{$args || {} });	1069	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1085	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1086	my ($filename, $rdata, $objs) = @_;
757		1087
758	sync_job {	1088	sync_job {
759	if (length $$rdata) {	1089	if (length $$rdata) {
		1090	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1091	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1092	$decname, length $$rdata, scalar @$objs;
762		1093
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1095	chmod SAVE_MODE, $fh;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1097	aio_fsync $fh if $cf::USE_FSYNC;
767	close $fh;	1098	close $fh;
768		1099
769	if (@$objs) {	1100	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1101	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1102	chmod SAVE_MODE, $fh;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1104	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1105	aio_fsync $fh if $cf::USE_FSYNC;
775	close $fh;	1106	close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1107	aio_rename "$filename.pst~", "$filename.pst";
777	}	1108	}
…		…
785	}	1116	}
786	} else {	1117	} else {
787	aio_unlink $filename;	1118	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1119	aio_unlink "$filename.pst";
789	}	1120	}
790	}	1121	};
791	}	1122	}
792		1123
793	sub object_freezer_as_string {	1124	sub object_freezer_as_string {
794	my ($rdata, $objs) = @_;	1125	my ($rdata, $objs) = @_;
795		1126
…		…
807	or return;	1138	or return;
808		1139
809	unless (aio_stat "$filename.pst") {	1140	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1141	(aio_load "$filename.pst", $av) >= 0
811	or return;	1142	or return;
		1143
812	$av = eval { (Storable::thaw $av)->{objs} };	1144	my $st = eval { Coro::Storable::thaw $av };
		1145	$av = $st->{objs};
813	}	1146	}
814		1147
		1148	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1149	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1150	$decname, length $data, scalar @{$av || []};
		1151
817	return ($data, $av);	1152	($data, $av)
818	}	1153	}
		1154
		1155	=head2 COMMAND CALLBACKS
		1156
		1157	=over 4
		1158
		1159	=cut
819		1160
820	#############################################################################	1161	#############################################################################
821	# command handling &c	1162	# command handling &c
822		1163
823	=item cf::register_command $name => \&callback($ob,$args);	1164	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1177	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1178	}
838		1179
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1180	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1181
841	Register a callbackf ro execution when the client sends an extcmd packet.	1182	Register a callback for execution when the client sends an (synchronous)
		1183	extcmd packet. Ext commands will be processed in the order they are
		1184	received by the server, like other user commands. The first argument is
		1185	the logged-in player. Ext commands can only be processed after a player
		1186	has logged in successfully.
842		1187
843	If the callback returns something, it is sent back as if reply was being	1188	If the callback returns something, it is sent back as if reply was being
844	called.	1189	called.
845		1190
		1191	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1192
		1193	Register a callback for execution when the client sends an (asynchronous)
		1194	exticmd packet. Exti commands are processed by the server as soon as they
		1195	are received, i.e. out of order w.r.t. other commands. The first argument
		1196	is a client socket. Exti commands can be received anytime, even before
		1197	log-in.
		1198
		1199	If the callback returns something, it is sent back as if reply was being
		1200	called.
		1201
846	=cut	1202	=cut
847		1203
848	sub register_extcmd {	1204	sub register_extcmd {
849	my ($name, $cb) = @_;	1205	my ($name, $cb) = @_;
850		1206
851	$EXTCMD{$name} = $cb;	1207	$EXTCMD{$name} = $cb;
		1208	}
		1209
		1210	sub register_exticmd {
		1211	my ($name, $cb) = @_;
		1212
		1213	$EXTICMD{$name} = $cb;
852	}	1214	}
853		1215
854	cf::player->attach (	1216	cf::player->attach (
855	on_command => sub {	1217	on_command => sub {
856	my ($pl, $name, $params) = @_;	1218	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1227	cf::override;
866	},	1228	},
867	on_extcmd => sub {	1229	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1230	my ($pl, $buf) = @_;
869		1231
870	my $msg = eval { from_json $buf };	1232	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1233
872	if (ref $msg) {	1234	if (ref $msg) {
		1235	my ($type, $reply, @payload) =
		1236	"ARRAY" eq ref $msg
		1237	? @$msg
		1238	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1239
		1240	my @reply;
		1241
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1242	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1243	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1244	}
		1245
		1246	$pl->ext_reply ($reply, @reply)
		1247	if $reply;
		1248
878	} else {	1249	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1251	}
881		1252
882	cf::override;	1253	cf::override;
883	},	1254	},
884	);	1255	);
885		1256
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1257	sub load_extensions {
		1258	cf::sync_job {
		1259	my %todo;
		1260
921	for my $ext (<$LIBDIR/*.ext>) {	1261	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1262	next unless -r $path;
923	eval {	1263
924	load_extension $ext;	1264	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1265	my $base = $1;
		1266	my $pkg = $1;
		1267	$pkg =~ s/[^[:word:]]/_/g;
		1268	$pkg = "ext::$pkg";
		1269
		1270	open my $fh, "<:utf8", $path
		1271	or die "$path: $!";
		1272
		1273	my $source = do { local $/; <$fh> };
		1274
		1275	my %ext = (
		1276	path => $path,
		1277	base => $base,
		1278	pkg => $pkg,
		1279	);
		1280
		1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1283
		1284	$ext{source} =
		1285	"package $pkg; use strict; use utf8;\n"
		1286	. "#line 1 \"$path\"\n{\n"
		1287	. $source
		1288	. "\n};\n1";
		1289
		1290	$todo{$base} = \%ext;
		1291	}
		1292
		1293	my %done;
		1294	while (%todo) {
		1295	my $progress;
		1296
		1297	while (my ($k, $v) = each %todo) {
		1298	for (split /,\s*/, $v->{meta}{depends}) {
		1299	goto skip
		1300	unless exists $done{$_};
		1301	}
		1302
		1303	warn "... loading '$k' into '$v->{pkg}'\n";
		1304
		1305	unless (eval $v->{source}) {
		1306	my $msg = $@ ? "$v->{path}: $@\n"
		1307	: "$v->{base}: extension inactive.\n";
		1308
		1309	if (exists $v->{meta}{mandatory}) {
		1310	warn $msg;
		1311	warn "mandatory extension failed to load, exiting.\n";
		1312	exit 1;
		1313	}
		1314
		1315	warn $msg;
		1316	}
		1317
		1318	$done{$k} = delete $todo{$k};
		1319	push @EXTS, $v->{pkg};
		1320	$progress = 1;
925	1	1321	}
926	} or warn "$ext not loaded: $@";	1322
		1323	skip:
		1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1325	unless $progress;
		1326	}
927	}	1327	};
928	}	1328	}
929		1329
930	#############################################################################	1330	#############################################################################
931		1331
		1332	=back
		1333
932	=head2 CORE EXTENSIONS	1334	=head2 CORE EXTENSIONS
933		1335
934	Functions and methods that extend core crossfire objects.	1336	Functions and methods that extend core crossfire objects.
935		1337
936	=cut	1338	=cut
…		…
941		1343
942	=head3 cf::player	1344	=head3 cf::player
943		1345
944	=over 4	1346	=over 4
945		1347
		1348	=item cf::player::num_playing
		1349
		1350	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1351
		1352	=cut
		1353
		1354	sub num_playing {
		1355	scalar grep
		1356	$_->ob->map
		1357	&& !$_->hidden
		1358	&& !$_->ob->flag (cf::FLAG_WIZ),
		1359	cf::player::list
		1360	}
		1361
946	=item cf::player::find $login	1362	=item cf::player::find $login
947		1363
948	Returns the given player object, loading it if necessary (might block).	1364	Returns the given player object, loading it if necessary (might block).
949		1365
950	=cut	1366	=cut
951		1367
952	sub playerdir($) {	1368	sub playerdir($) {
953	cf::localdir	1369	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1370	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1371	}
959		1372
960	sub path($) {	1373	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1374	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1375
963	(playerdir $login) . "/$login.pl"	1376	(playerdir $login) . "/playerdata"
964	}	1377	}
965		1378
966	sub find_active($) {	1379	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1380	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1381	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1394	my $login = $_[0];
982		1395
983	my $guard = cf::lock_acquire "user_find:$login";	1396	my $guard = cf::lock_acquire "user_find:$login";
984		1397
985	$cf::PLAYER{$_[0]} || do {	1398	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1399	# rename old playerfiles to new ones
		1400	#TODO: remove when no longer required
		1401	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1402	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1403	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1404	aio_unlink +(playerdir $login) . "/$login.pl";
		1405
		1406	my $f = new_from_file cf::object::thawer path $login
987	or return;	1407	or return;
		1408
		1409	my $pl = cf::player::load_pl $f
		1410	or return;
		1411	local $cf::PLAYER_LOADING{$login} = $pl;
		1412	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1413	$cf::PLAYER{$login} = $pl
989	}	1414	}
990	}	1415	}
991	}	1416	}
992		1417
…		…
1002		1427
1003	aio_mkdir playerdir $pl, 0770;	1428	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1429	$pl->{last_save} = $cf::RUNTIME;
1005		1430
1006	$pl->save_pl ($path);	1431	$pl->save_pl ($path);
1007	Coro::cede;	1432	cf::cede_to_tick;
1008	}	1433	}
1009		1434
1010	sub new($) {	1435	sub new($) {
1011	my ($login) = @_;	1436	my ($login) = @_;
1012		1437
…		…
1018	$cf::PLAYER{$login} = $self;	1443	$cf::PLAYER{$login} = $self;
1019		1444
1020	$self	1445	$self
1021	}	1446	}
1022		1447
		1448	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1449
		1450	=cut
		1451
		1452	sub send_msg {
		1453	my $ns = shift->ns
		1454	or return;
		1455	$ns->send_msg (@_);
		1456	}
		1457
1023	=item $pl->quit_character	1458	=item $pl->quit_character
1024		1459
1025	Nukes the player without looking back. If logged in, the connection will	1460	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1461	be destroyed. May block for a long time.
1027		1462
1028	=cut	1463	=cut
1029		1464
1030	sub quit_character {	1465	sub quit_character {
1031	my ($pl) = @_;	1466	my ($pl) = @_;
		1467
		1468	my $name = $pl->ob->name;
1032		1469
1033	$pl->{deny_save} = 1;	1470	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1471	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1472
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1473	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1478	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1479	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1480	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1481	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1482	$pl->destroy;
		1483
		1484	my $prefix = qr<^~\Q$name\E/>;
		1485
		1486	# nuke player maps
		1487	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1488
1046	IO::AIO::aio_rmtree $temp;	1489	IO::AIO::aio_rmtree $temp;
		1490	}
		1491
		1492	=item $pl->kick
		1493
		1494	Kicks a player out of the game. This destroys the connection.
		1495
		1496	=cut
		1497
		1498	sub kick {
		1499	my ($pl, $kicker) = @_;
		1500
		1501	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1502	$pl->killer ("kicked");
		1503	$pl->ns->destroy;
1047	}	1504	}
1048		1505
1049	=item cf::player::list_logins	1506	=item cf::player::list_logins
1050		1507
1051	Returns am arrayref of all valid playernames in the system, can take a	1508	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1509	while and may block, so not sync_job-capable, ever.
1053		1510
1054	=cut	1511	=cut
1055		1512
1056	sub list_logins {	1513	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1514	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1515	or return [];
1059		1516
1060	my @logins;	1517	my @logins;
1061		1518
1062	for my $login (@$dirs) {	1519	for my $login (@$dirs) {
		1520	my $path = path $login;
		1521
		1522	# a .pst is a dead give-away for a valid player
		1523	unless (-e "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1525	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1526	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1527	}
1066		1528
1067	utf8::decode $login;	1529	utf8::decode $login;
1068	push @logins, $login;	1530	push @logins, $login;
1069	}	1531	}
1070		1532
…		…
1097	}	1559	}
1098		1560
1099	\@paths	1561	\@paths
1100	}	1562	}
1101		1563
		1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1565
		1566	Expand crossfire pod fragments into protocol xml.
		1567
		1568	=cut
		1569
		1570	use re 'eval';
		1571
		1572	my $group;
		1573	my $interior; $interior = qr{
		1574	# match a pod interior sequence sans C<< >>
		1575	(?:
		1576	\ (.*?)\ (?{ $group = $^N })
		1577	| < (??{$interior}) >
		1578	)
		1579	}x;
		1580
		1581	sub expand_cfpod {
		1582	my ($self, $pod) = @_;
		1583
		1584	my $xml;
		1585
		1586	while () {
		1587	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1588	$group = $1;
		1589
		1590	$group =~ s/&/&amp;/g;
		1591	$group =~ s/</&lt;/g;
		1592
		1593	$xml .= $group;
		1594	} elsif ($pod =~ m%\G
		1595	([BCGHITU])
		1596	<
		1597	(?:
		1598	([^<>]*) (?{ $group = $^N })
		1599	| < $interior >
		1600	)
		1601	>
		1602	%gcsx
		1603	) {
		1604	my ($code, $data) = ($1, $group);
		1605
		1606	if ($code eq "B") {
		1607	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1608	} elsif ($code eq "I") {
		1609	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1610	} elsif ($code eq "U") {
		1611	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1612	} elsif ($code eq "C") {
		1613	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1614	} elsif ($code eq "T") {
		1615	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1616	} elsif ($code eq "G") {
		1617	my ($male, $female) = split /\|/, $data;
		1618	$data = $self->gender ? $female : $male;
		1619	$xml .= expand_cfpod ($self, $data);
		1620	} elsif ($code eq "H") {
		1621	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1622	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1623	"")
		1624	[$self->{hintmode}];
		1625	} else {
		1626	$xml .= "error processing '$code($data)' directive";
		1627	}
		1628	} else {
		1629	if ($pod =~ /\G(.+)/) {
		1630	warn "parse error while expanding $pod (at $1)";
		1631	}
		1632	last;
		1633	}
		1634	}
		1635
		1636	for ($xml) {
		1637	# create single paragraphs (very hackish)
		1638	s/(?<=\S)\n(?=\w)/ /g;
		1639
		1640	# compress some whitespace
		1641	s/\s+\n/\n/g; # ws line-ends
		1642	s/\n\n+/\n/g; # double lines
		1643	s/^\n+//; # beginning lines
		1644	s/\n+$//; # ending lines
		1645	}
		1646
		1647	$xml
		1648	}
		1649
		1650	no re 'eval';
		1651
		1652	sub hintmode {
		1653	$_[0]{hintmode} = $_[1] if @_ > 1;
		1654	$_[0]{hintmode}
		1655	}
		1656
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1103		1658
1104	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1105		1660
1106	=cut	1661	=cut
1107		1662
1108	sub ext_reply($$$%) {	1663	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1110		1665
1111	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1667	}
1115		1668
1116	package cf;	1669	=item $player->ext_msg ($type, @msg)
		1670
		1671	Sends an ext event to the client.
		1672
		1673	=cut
		1674
		1675	sub ext_msg($$@) {
		1676	my ($self, $type, @msg) = @_;
		1677
		1678	$self->ns->ext_msg ($type, @msg);
		1679	}
		1680
		1681	=head3 cf::region
		1682
		1683	=over 4
		1684
		1685	=cut
		1686
		1687	package cf::region;
		1688
		1689	=item cf::region::find_by_path $path
		1690
		1691	Tries to decuce the likely region for a map knowing only its path.
		1692
		1693	=cut
		1694
		1695	sub find_by_path($) {
		1696	my ($path) = @_;
		1697
		1698	my ($match, $specificity);
		1699
		1700	for my $region (list) {
		1701	if ($region->{match} && $path =~ $region->{match}) {
		1702	($match, $specificity) = ($region, $region->specificity)
		1703	if $region->specificity > $specificity;
		1704	}
		1705	}
		1706
		1707	$match
		1708	}
1117		1709
1118	=back	1710	=back
1119
1120		1711
1121	=head3 cf::map	1712	=head3 cf::map
1122		1713
1123	=over 4	1714	=over 4
1124		1715
…		…
1179	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1180		1771
1181	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1182	local $self->{path};	1773	local $self->{path};
1183	local $self->{load_path};	1774	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1775
1187	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1188	}	1777	}
1189		1778
1190	sub normalise {	1779	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1238	return $self;	1827	return $self;
1239	}	1828	}
1240	}	1829	}
1241		1830
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1832	()
1244	}	1833	}
1245		1834
1246	sub init {	1835	sub init {
1247	my ($self) = @_;	1836	my ($self) = @_;
…		…
1262		1851
1263	# the original (read-only) location	1852	# the original (read-only) location
1264	sub load_path {	1853	sub load_path {
1265	my ($self) = @_;	1854	my ($self) = @_;
1266		1855
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1856	"$MAPDIR/$self->{path}.map"
1268	}	1857	}
1269		1858
1270	# the temporary/swap location	1859	# the temporary/swap location
1271	sub save_path {	1860	sub save_path {
1272	my ($self) = @_;	1861	my ($self) = @_;
1273		1862
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1864	"$TMPDIR/$path.map"
1276	}	1865	}
1277		1866
1278	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1279	sub uniq_path {	1868	sub uniq_path {
1280	my ($self) = @_;	1869	my ($self) = @_;
1281		1870
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1872	"$UNIQUEDIR/$path"
1284	}	1873	}
1285		1874
1286	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1287	# all maps in C++...	1876	# all maps in C++...
1288	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1290		1879
1291	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1293	}	1882	}
1294		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1295	sub unlink_save {	1892	sub unlink_save {
1296	my ($self) = @_;	1893	my ($self) = @_;
1297		1894
1298	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1302		1899
1303	sub load_header_from($) {	1900	sub load_header_from($) {
1304	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1305		1902
1306	utf8::encode $path;	1903	utf8::encode $path;
1307	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1308	# or return;
1309
1310	$self->_load_header ($path)
1311	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1312		1912
1313	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1314		1914
1315	1	1915	1
1316	}	1916	}
…		…
1355	$self->load_header_orig	1955	$self->load_header_orig
1356	or return;	1956	or return;
1357	$self->prepare_orig;	1957	$self->prepare_orig;
1358	}	1958	}
1359		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
		1963	$self->default_region (cf::region::find_by_path $self->{path})
		1964	unless $self->default_region;
		1965
1360	1	1966	1
1361	}	1967	}
1362		1968
1363	sub find;	1969	sub find;
1364	sub find {	1970	sub find {
1365	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1366		1972
1367	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1368		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1369	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1370		1977
1371	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
1372	my $guard = cf::lock_acquire "map_find:$path";	1979	my $guard1 = cf::lock_acquire "map_find:$path";
		1980	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1981
1373	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1374	or return;	1983	or return;
1375		1984
1376	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1377		1986
1378	$map->load_header	1987	$map->load_header
1379	or return;	1988	or return;
1380		1989
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard1;
		1994	undef $guard2;
1384	$map->reset;	1995	$map->reset;
1385	undef $guard;
1386	return find $path;	1996	return find $path;
1387	}	1997	}
1388		1998
1389	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1390	}	2000	}
…		…
1397	my ($self) = @_;	2007	my ($self) = @_;
1398		2008
1399	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1400		2010
1401	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1402	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1403		2015
		2016	return unless $self->valid;
1404	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1405		2018
1406	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1407		2020
1408	$self->alloc;	2021	$self->alloc;
1409		2022
1410	$self->pre_load;	2023	$self->pre_load;
		2024	cf::cede_to_tick;
1411		2025
1412	$self->_load_objects ($self->{load_path}, 1)	2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
		2028	$self->_load_objects ($f)
1413	or return;	2029	or return;
1414		2030
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1416	if delete $self->{load_original};	2032	if delete $self->{load_original};
1417		2033
1418	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	2035	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1421	$self->clear_unique_items;	2038	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1423	}	2042	}
1424	}	2043	}
1425		2044
1426	Coro::cede;	2045	$f->resolve_delayed_derefs;
1427		2046
		2047	cf::cede_to_tick;
1428	# now do the right thing for maps	2048	# now do the right thing for maps
1429	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;
1436	$self->set_darkness_map;
1437	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	2051	unless $self->difficulty;
1439	Coro::cede;	2052	cf::cede_to_tick;
		2053
		2054	unless ($self->{deny_activate}) {
		2055	$self->decay_objects;
		2056	$self->fix_auto_apply;
		2057	$self->update_buttons;
		2058	cf::cede_to_tick;
		2059	$self->set_darkness_map;
		2060	cf::cede_to_tick;
1440	$self->activate;	2061	$self->activate;
		2062	}
		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
		2067	$self->in_memory (cf::MAP_IN_MEMORY);
1441	}	2068	}
1442		2069
1443	$self->post_load;	2070	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	2071	}
1447		2072
1448	sub customise_for {	2073	sub customise_for {
1449	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1450		2075
1451	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	2077	if $self->per_player;
1453		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1454	$self	2082	$self
1455	}	2083	}
1456		2084
1457	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1458	sub load_diag {	2086	sub load_neighbours {
1459	my ($map) = @_;	2087	my ($map) = @_;
1460		2088
1461	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1462		2090
1463	for (0 .. 3) {	2091	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1465	or next;	2093	or next;
1466	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1467	or next;	2095	or next;
1468	$neigh->load;	2096	$neigh->load;
1469		2097
		2098	push @neigh,
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}	2101	}
1473		2102
1474	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1475	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1476	or next;	2106	or next;
1477	$neigh->load;	2107	$neigh->load;
1478	}	2108	}
1479	}	2109	}
1480		2110
…		…
1485	}	2115	}
1486		2116
1487	sub do_load_sync {	2117	sub do_load_sync {
1488	my ($map) = @_;	2118	my ($map) = @_;
1489		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1490	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1491	}	2124	}
1492		2125
1493	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1495		2128
1496	sub find_async {	2129	sub find_async {
1497	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1498		2131
1499	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1500		2133
1501	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1503	}	2136	}
1504		2137
1505	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1506	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1507	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	2145	if (my $map = find $k) {
1510	or next;
1511	$map->load;	2146	$map->load if $v;
		2147	}
1512		2148
1513	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1514	}	2150	}
1515	}	2151	}
1516	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1517	};	2153	};
1518	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1521	}	2157	}
1522		2158
1523	sub save {	2159	sub save {
1524	my ($self) = @_;	2160	my ($self) = @_;
1525		2161
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1527		2163
1528	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1529		2165
1530	return unless $self->dirty;	2166	return unless $self->dirty;
1531		2167
…		…
1537	return if $self->{deny_save};	2173	return if $self->{deny_save};
1538		2174
1539	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1540		2176
1541	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1542	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1543	};	2180	};
1544		2181
1545	if ($uniq) {	2182	if ($uniq) {
1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1554	my ($self) = @_;	2191	my ($self) = @_;
1555		2192
1556	# save first because save cedes	2193	# save first because save cedes
1557	$self->save;	2194	$self->save;
1558		2195
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2196	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2197
1561	return if $self->players;	2198	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;	2199	return if $self->in_memory != cf::MAP_IN_MEMORY;
1563	return if $self->{deny_save};	2200	return if $self->{deny_save};
1564		2201
		2202	$self->in_memory (cf::MAP_SWAPPED);
		2203
		2204	$self->deactivate;
		2205	$_->clear_links_to ($self) for values %cf::MAP;
1565	$self->clear;	2206	$self->clear;
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	}	2207	}
1568		2208
1569	sub reset_at {	2209	sub reset_at {
1570	my ($self) = @_;	2210	my ($self) = @_;
1571		2211
1572	# TODO: safety, remove and allow resettable per-player maps	2212	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	2213	return 1e99 if $self->{deny_reset};
1575		2214
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2217
…		…
1589	my ($self) = @_;	2228	my ($self) = @_;
1590		2229
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2231
1593	return if $self->players;	2232	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2233
1596	warn "resetting map ", $self->path;#d#	2234	warn "resetting map ", $self->path;
1597		2235
1598	$self->in_memory (cf::MAP_SWAPPED);	2236	$self->in_memory (cf::MAP_SWAPPED);
1599		2237
1600	# need to save uniques path	2238	# need to save uniques path
1601	unless ($self->{deny_save}) {	2239	unless ($self->{deny_save}) {
…		…
1605	if $uniq;	2243	if $uniq;
1606	}	2244	}
1607		2245
1608	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1609		2247
		2248	$self->deactivate;
		2249	$_->clear_links_to ($self) for values %cf::MAP;
1610	$self->clear;	2250	$self->clear;
1611
1612	$_->clear_links_to ($self) for values %cf::MAP;
1613		2251
1614	$self->unlink_save;	2252	$self->unlink_save;
1615	$self->destroy;	2253	$self->destroy;
1616	}	2254	}
1617		2255
1618	my $nuke_counter = "aaaa";	2256	my $nuke_counter = "aaaa";
1619		2257
1620	sub nuke {	2258	sub nuke {
1621	my ($self) = @_;	2259	my ($self) = @_;
1622		2260
		2261	{
		2262	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2263
1623	delete $cf::MAP{$self->path};	2264	delete $cf::MAP{$self->path};
1624		2265
1625	$self->unlink_save;	2266	$self->unlink_save;
1626		2267
1627	bless $self, "cf::map";	2268	bless $self, "cf::map";
1628	delete $self->{deny_reset};	2269	delete $self->{deny_reset};
1629	$self->{deny_save} = 1;	2270	$self->{deny_save} = 1;
1630	$self->reset_timeout (1);	2271	$self->reset_timeout (1);
1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632		2273
1633	$cf::MAP{$self->path} = $self;	2274	$cf::MAP{$self->path} = $self;
		2275	}
1634		2276
1635	$self->reset; # polite request, might not happen	2277	$self->reset; # polite request, might not happen
		2278	}
		2279
		2280	=item $maps = cf::map::tmp_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	maps. May block.
		2284
		2285	=cut
		2286
		2287	sub tmp_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise $_
		2293	: ()
		2294	} @{ aio_readdir $TMPDIR or [] }
		2295	]
		2296	}
		2297
		2298	=item $maps = cf::map::random_maps
		2299
		2300	Returns an arrayref with all map paths of currently instantiated and saved
		2301	random maps. May block.
		2302
		2303	=cut
		2304
		2305	sub random_maps() {
		2306	[
		2307	map {
		2308	utf8::decode $_;
		2309	/\.map$/
		2310	? normalise "?random/$_"
		2311	: ()
		2312	} @{ aio_readdir $RANDOMDIR or [] }
		2313	]
1636	}	2314	}
1637		2315
1638	=item cf::map::unique_maps	2316	=item cf::map::unique_maps
1639		2317
1640	Returns an arrayref of paths of all shared maps that have	2318	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2319	instantiated unique items. May block.
1642		2320
1643	=cut	2321	=cut
1644		2322
1645	sub unique_maps() {	2323	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2324	[
1647	or return;	2325	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2326	utf8::decode $_;
1653	next if /\.pst$/;	2327	/\.map$/
1654	next unless /^$PATH_SEP/o;	2328	? normalise $_
1655		2329	: ()
1656	push @paths, cf::map::normalise $_;	2330	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2331	]
1658
1659	\@paths
1660	}	2332	}
1661		2333
1662	package cf;	2334	package cf;
1663		2335
1664	=back	2336	=back
…		…
1682	map { $_, inv_recursive_ $_->inv } @_	2354	map { $_, inv_recursive_ $_->inv } @_
1683	}	2355	}
1684		2356
1685	sub inv_recursive {	2357	sub inv_recursive {
1686	inv_recursive_ inv $_[0]	2358	inv_recursive_ inv $_[0]
		2359	}
		2360
		2361	=item $ref = $ob->ref
		2362
		2363	creates and returns a persistent reference to an objetc that can be stored as a string.
		2364
		2365	=item $ob = cf::object::deref ($refstring)
		2366
		2367	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2368	even if the object actually exists. May block.
		2369
		2370	=cut
		2371
		2372	sub deref {
		2373	my ($ref) = @_;
		2374
		2375	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2376	my ($uuid, $name) = ($1, $2);
		2377	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2378	or return;
		2379	$pl->ob->uuid eq $uuid
		2380	or return;
		2381
		2382	$pl->ob
		2383	} else {
		2384	warn "$ref: cannot resolve object reference\n";
		2385	undef
		2386	}
1687	}	2387	}
1688		2388
1689	package cf;	2389	package cf;
1690		2390
1691	=back	2391	=back
…		…
1710		2410
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2411	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2412
1713	if ($self->{record_replies}) {	2413	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2414	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2415
1715	} else {	2416	} else {
		2417	my $pl = $self->contr;
		2418
		2419	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2420	my $dialog = $pl->{npc_dialog};
		2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2422
		2423	} else {
1716	$msg = $npc->name . " says: $msg" if $npc;	2424	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2425	$self->message ($msg, $flags);
		2426	}
1718	}	2427	}
		2428	}
		2429
		2430	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2431
		2432	=cut
		2433
		2434	sub cf::object::send_msg {
		2435	my $pl = shift->contr
		2436	or return;
		2437	$pl->send_msg (@_);
1719	}	2438	}
1720		2439
1721	=item $player_object->may ("access")	2440	=item $player_object->may ("access")
1722		2441
1723	Returns wether the given player is authorized to access resource "access"	2442	Returns wether the given player is authorized to access resource "access"
…		…
1770	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1771		2490
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2492
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1776		2495
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1778	}	2497	}
1779		2498
1780	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1782		2503
1783	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1784		2505
1785	unless ($map) {	2506	unless ($map) {
1786	# restore original map position	2507	# restore original map position
…		…
1800	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1803		2524
1804	$map->load;	2525	$map->load;
1805	$map->load_diag;	2526	$map->load_neighbours;
1806		2527
1807	return unless $self->contr->active;	2528	return unless $self->contr->active;
1808	$self->activate_recursive;	2529	$self->activate_recursive;
1809		2530
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1812	}	2533	}
1813		2534
1814	cf::player->attach (	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1815	on_logout => sub {
1816	my ($pl) = @_;
1817		2536
1818	# abort map switching before logout	2537	Moves the player to the given map-path and coordinates by first freezing
1819	if ($pl->ob->{_link_pos}) {	2538	her, loading and preparing them map, calling the provided $check callback
1820	cf::sync_job {	2539	that has to return the map if sucecssful, and then unfreezes the player on
1821	$pl->ob->leave_link	2540	the new (success) or old (failed) map position. In either case, $done will
1822	};	2541	be called at the end of this process.
1823	}
1824	},
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2542
1828	# try to abort aborted map switching on player login :)
1829	# should happen only on crashes
1830	if ($pl->ob->{_link_pos}) {
1831	$pl->ob->enter_link;
1832	(async {
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845
1846	=item $player_object->goto ($path, $x, $y)
1847
1848	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1849		2546
1850	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
		2549
		2550	# do generation counting so two concurrent goto's will be executed in-order
		2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2552
1853	$self->enter_link;	2553	$self->enter_link;
1854		2554
1855	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
1856	my $map = eval {	2577	my $map = eval {
1857	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
		2582	$map = $check->($map) if $check && $map;
		2583	} else {
		2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
		2586
1859	$map	2587	$map
		2588	};
		2589
		2590	if ($@) {
		2591	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2592	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2593	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1864	})->prio (1);	2601	})->prio (1);
1865	}	2602	}
1866		2603
1867	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1868		2605
…		…
1905	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
1906	}	2643	}
1907		2644
1908	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1909		2646
1910	my $data = cf::to_json $rmp;	2647	my $data = cf::encode_json $rmp;
1911	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
1913		2650
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2653	undef $fh;
1917	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
…		…
1926		2663
1927	return unless $self->type == cf::PLAYER;	2664	return unless $self->type == cf::PLAYER;
1928		2665
1929	if ($exit->slaying eq "/!") {	2666	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job	2667	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2668	# the problem is that $exit might not survive long enough
		2669	# so it needs to be done right now, right here
1931	cf::sync_job { prepare_random_map $exit };	2670	cf::sync_job { prepare_random_map $exit };
1932	}	2671	}
1933		2672
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2673	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;	2674	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;	2675	my $sp = $exit->stats->sp;
1937		2676
1938	$self->enter_link;	2677	$self->enter_link;
1939		2678
		2679	# if exit is damned, update players death & WoR home-position
		2680	$self->contr->savebed ($slaying, $hp, $sp)
		2681	if $exit->flag (FLAG_DAMNED);
		2682
1940	(async {	2683	(async {
		2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2685
1941	$self->deactivate_recursive; # just to be sure	2686	$self->deactivate_recursive; # just to be sure
1942	unless (eval {	2687	unless (eval {
1943	$self->goto ($slaying, $hp, $sp);	2688	$self->goto ($slaying, $hp, $sp);
1944		2689
1945	1;	2690	1;
1946	}) {	2691	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2692	$self->message ("Something went wrong deep within the crossfire server. "
1948	. "I'll try to bring you back to the map you were before. "	2693	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	2694	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2695	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2696
1952	warn "ERROR in enter_exit: $@";	2697	warn "ERROR in enter_exit: $@";
1953	$self->leave_link;	2698	$self->leave_link;
1954	}	2699	}
1955	})->prio (1);	2700	})->prio (1);
…		…
1968		2713
1969	sub cf::client::send_drawinfo {	2714	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2715	my ($self, $text, $flags) = @_;
1971		2716
1972	utf8::encode $text;	2717	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2718	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2719	}
1975		2720
		2721	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2722
		2723	Send a drawinfo or msg packet to the client, formatting the msg for the
		2724	client if neccessary. C<$type> should be a string identifying the type of
		2725	the message, with C<log> being the default. If C<$color> is negative, suppress
		2726	the message unless the client supports the msg packet.
		2727
		2728	=cut
		2729
		2730	# non-persistent channels (usually the info channel)
		2731	our %CHANNEL = (
		2732	"c/identify" => {
		2733	id => "infobox",
		2734	title => "Identify",
		2735	reply => undef,
		2736	tooltip => "Items recently identified",
		2737	},
		2738	"c/examine" => {
		2739	id => "infobox",
		2740	title => "Examine",
		2741	reply => undef,
		2742	tooltip => "Signs and other items you examined",
		2743	},
		2744	"c/book" => {
		2745	id => "infobox",
		2746	title => "Book",
		2747	reply => undef,
		2748	tooltip => "The contents of a note or book",
		2749	},
		2750	"c/lookat" => {
		2751	id => "infobox",
		2752	title => "Look",
		2753	reply => undef,
		2754	tooltip => "What you saw there",
		2755	},
		2756	"c/who" => {
		2757	id => "infobox",
		2758	title => "Players",
		2759	reply => undef,
		2760	tooltip => "Shows players who are currently online",
		2761	},
		2762	"c/body" => {
		2763	id => "infobox",
		2764	title => "Body Parts",
		2765	reply => undef,
		2766	tooltip => "Shows which body parts you posess and are available",
		2767	},
		2768	"c/uptime" => {
		2769	id => "infobox",
		2770	title => "Uptime",
		2771	reply => undef,
		2772	tooltip => "How long the server has been running since last restart",
		2773	},
		2774	"c/mapinfo" => {
		2775	id => "infobox",
		2776	title => "Map Info",
		2777	reply => undef,
		2778	tooltip => "Information related to the maps",
		2779	},
		2780	);
		2781
		2782	sub cf::client::send_msg {
		2783	my ($self, $channel, $msg, $color, @extra) = @_;
		2784
		2785	$msg = $self->pl->expand_cfpod ($msg);
		2786
		2787	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2788
		2789	# check predefined channels, for the benefit of C
		2790	if ($CHANNEL{$channel}) {
		2791	$channel = $CHANNEL{$channel};
		2792
		2793	$self->ext_msg (channel_info => $channel)
		2794	if $self->can_msg;
		2795
		2796	$channel = $channel->{id};
		2797
		2798	} elsif (ref $channel) {
		2799	# send meta info to client, if not yet sent
		2800	unless (exists $self->{channel}{$channel->{id}}) {
		2801	$self->{channel}{$channel->{id}} = $channel;
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804	}
		2805
		2806	$channel = $channel->{id};
		2807	}
		2808
		2809	return unless @extra || length $msg;
		2810
		2811	if ($self->can_msg) {
		2812	# default colour, mask it out
		2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2814	if $color & cf::NDI_DEF;
		2815
		2816	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2818	} else {
		2819	if ($color >= 0) {
		2820	# replace some tags by gcfclient-compatible ones
		2821	for ($msg) {
		2822	1 while
		2823	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2824	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2825	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2826	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2827	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2828	}
		2829
		2830	$color &= cf::NDI_COLOR_MASK;
		2831
		2832	utf8::encode $msg;
		2833
		2834	if (0 && $msg =~ /\[/) {
		2835	# COMMAND/INFO
		2836	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2837	} else {
		2838	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2839	$self->send_packet ("drawinfo $color $msg")
		2840	}
		2841	}
		2842	}
		2843	}
		2844
		2845	=item $client->ext_msg ($type, @msg)
		2846
		2847	Sends an ext event to the client.
		2848
		2849	=cut
		2850
		2851	sub cf::client::ext_msg($$@) {
		2852	my ($self, $type, @msg) = @_;
		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2856	} elsif ($self->extcmd == 1) { # TODO: remove
		2857	push @msg, msgtype => "event_$type";
		2858	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2859	}
		2860	}
		2861
		2862	=item $client->ext_reply ($msgid, @msg)
		2863
		2864	Sends an ext reply to the client.
		2865
		2866	=cut
		2867
		2868	sub cf::client::ext_reply($$@) {
		2869	my ($self, $id, @msg) = @_;
		2870
		2871	if ($self->extcmd == 2) {
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2873	} elsif ($self->extcmd == 1) {
		2874	#TODO: version 1, remove
		2875	unshift @msg, msgtype => "reply", msgid => $id;
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2877	}
		2878	}
1976		2879
1977	=item $success = $client->query ($flags, "text", \&cb)	2880	=item $success = $client->query ($flags, "text", \&cb)
1978		2881
1979	Queues a query to the client, calling the given callback with	2882	Queues a query to the client, calling the given callback with
1980	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2883	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1981	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2884	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		2885
1983	Queries can fail, so check the return code. Or don't, as queries will become	2886	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	2887	become reliable at some point in the future.
1985		2888
1986	=cut	2889	=cut
1987		2890
1988	sub cf::client::query {	2891	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	2892	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	2900	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2901	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		2902
2000	$self->send_packet ($self->{query_queue}[0][0])	2903	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	2904	if @{ $self->{query_queue} } == 1;
		2905
		2906	1
2002	}	2907	}
2003		2908
2004	cf::client->attach (	2909	cf::client->attach (
		2910	on_connect => sub {
		2911	my ($ns) = @_;
		2912
		2913	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2914	},
2005	on_reply => sub {	2915	on_reply => sub {
2006	my ($ns, $msg) = @_;	2916	my ($ns, $msg) = @_;
2007		2917
2008	# this weird shuffling is so that direct followup queries	2918	# this weird shuffling is so that direct followup queries
2009	# get handled first	2919	# get handled first
…		…
2021	} else {	2931	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2932	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	2933	}
2024	}	2934	}
2025	},	2935	},
		2936	on_exticmd => sub {
		2937	my ($ns, $buf) = @_;
		2938
		2939	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2940
		2941	if (ref $msg) {
		2942	my ($type, $reply, @payload) =
		2943	"ARRAY" eq ref $msg
		2944	? @$msg
		2945	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2946
		2947	my @reply;
		2948
		2949	if (my $cb = $EXTICMD{$type}) {
		2950	@reply = $cb->($ns, @payload);
		2951	}
		2952
		2953	$ns->ext_reply ($reply, @reply)
		2954	if $reply;
		2955
		2956	} else {
		2957	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2958	}
		2959
		2960	cf::override;
		2961	},
2026	);	2962	);
2027		2963
2028	=item $client->async (\&cb)	2964	=item $client->async (\&cb)
2029		2965
2030	Create a new coroutine, running the specified callback. The coroutine will	2966	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071	our $safe = new Safe "safe";	3007	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	3008	our $safe_hole = new Safe::Hole;
2073		3009
2074	$SIG{FPE} = 'IGNORE';	3010	$SIG{FPE} = 'IGNORE';
2075		3011
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3012	$safe->permit_only (Opcode::opset qw(
		3013	:base_core :base_mem :base_orig :base_math
		3014	grepstart grepwhile mapstart mapwhile
		3015	sort time
		3016	));
2077		3017
2078	# here we export the classes and methods available to script code	3018	# here we export the classes and methods available to script code
2079		3019
2080	=pod	3020	=pod
2081		3021
2082	The following fucntions and emthods are available within a safe environment:	3022	The following functions and methods are available within a safe environment:
2083		3023
2084	cf::object contr pay_amount pay_player map	3024	cf::object
		3025	contr pay_amount pay_player map x y force_find force_add destroy
		3026	insert remove name archname title slaying race decrease_ob_nr
		3027
2085	cf::object::player player	3028	cf::object::player
2086	cf::player peaceful	3029	player
2087	cf::map trigger	3030
		3031	cf::player
		3032	peaceful
		3033
		3034	cf::map
		3035	trigger
2088		3036
2089	=cut	3037	=cut
2090		3038
2091	for (	3039	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3041	insert remove inv name archname title slaying race
		3042	decrease_ob_nr destroy)],
2093	["cf::object::player" => qw(player)],	3043	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	3044	["cf::player" => qw(peaceful)],
2095	["cf::map" => qw(trigger)],	3045	["cf::map" => qw(trigger)],
2096	) {	3046	) {
2097	no strict 'refs';	3047	no strict 'refs';
…		…
2168	=back	3118	=back
2169		3119
2170	=cut	3120	=cut
2171		3121
2172	#############################################################################	3122	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243
2244	#############################################################################
2245	# the server's init and main functions	3123	# the server's init and main functions
2246		3124
2247	sub load_resources {	3125	sub load_facedata($) {
2248	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3126	my ($path) = @_;
		3127
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
		3132	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3133
		3134	warn "loading facedata from $path\n";
		3135
		3136	my $facedata;
		3137	0 < aio_load $path, $facedata
		3138	or die "$path: $!";
		3139
		3140	$facedata = Coro::Storable::thaw $facedata;
		3141
		3142	$facedata->{version} == 2
		3143	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3144
		3145	# patch in the exptable
		3146	$facedata->{resource}{"res/exp_table"} = {
		3147	type => FT_RSRC,
		3148	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3149	};
		3150	cf::cede_to_tick;
		3151
		3152	{
		3153	my $faces = $facedata->{faceinfo};
		3154
		3155	while (my ($face, $info) = each %$faces) {
		3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3157
		3158	cf::face::set_visibility $idx, $info->{visibility};
		3159	cf::face::set_magicmap $idx, $info->{magicmap};
		3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3162
		3163	cf::cede_to_tick;
		3164	}
		3165
		3166	while (my ($face, $info) = each %$faces) {
		3167	next unless $info->{smooth};
		3168
		3169	my $idx = cf::face::find $face
		3170	or next;
		3171
		3172	if (my $smooth = cf::face::find $info->{smooth}) {
		3173	cf::face::set_smooth $idx, $smooth;
		3174	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3175	} else {
		3176	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3177	}
		3178
		3179	cf::cede_to_tick;
		3180	}
		3181	}
		3182
		3183	{
		3184	my $anims = $facedata->{animinfo};
		3185
		3186	while (my ($anim, $info) = each %$anims) {
		3187	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3188	cf::cede_to_tick;
		3189	}
		3190
		3191	cf::anim::invalidate_all; # d'oh
		3192	}
		3193
		3194	{
		3195	# TODO: for gcfclient pleasure, we should give resources
		3196	# that gcfclient doesn't grok a >10000 face index.
		3197	my $res = $facedata->{resource};
		3198
		3199	while (my ($name, $info) = each %$res) {
		3200	if (defined $info->{type}) {
		3201	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3202	my $data;
		3203
		3204	if ($info->{type} & 1) {
		3205	# prepend meta info
		3206
		3207	my $meta = $enc->encode ({
		3208	name => $name,
		3209	%{ $info->{meta} || {} },
		3210	});
		3211
		3212	$data = pack "(w/a*)*", $meta, $info->{data};
		3213	} else {
		3214	$data = $info->{data};
		3215	}
		3216
		3217	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3218	cf::face::set_type $idx, $info->{type};
		3219	} else {
		3220	$RESOURCE{$name} = $info;
		3221	}
		3222
		3223	cf::cede_to_tick;
		3224	}
		3225	}
		3226
		3227	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3228
		3229	1
		3230	}
		3231
		3232	cf::global->attach (on_resource_update => sub {
		3233	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3234	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3235
		3236	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3237	my $sound = $soundconf->{compat}[$_]
		3238	or next;
		3239
		3240	my $face = cf::face::find "sound/$sound->[1]";
		3241	cf::sound::set $sound->[0] => $face;
		3242	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3243	}
		3244
		3245	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3246	my $face = cf::face::find "sound/$v";
		3247	cf::sound::set $k => $face;
		3248	}
		3249	}
		3250	});
		3251
		3252	register_exticmd fx_want => sub {
		3253	my ($ns, $want) = @_;
		3254
		3255	while (my ($k, $v) = each %$want) {
		3256	$ns->fx_want ($k, $v);
		3257	}
		3258	};
		3259
		3260	sub reload_regions {
		3261	# HACK to clear player env face cache, we need some signal framework
		3262	# for this (global event?)
		3263	%ext::player_env::MUSIC_FACE_CACHE = ();
		3264
		3265	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	3266	or die "unable to load regions file\n";
2250	}
2251		3267
2252	sub cfg_load {	3268	for (cf::region::list) {
		3269	$_->{match} = qr/$_->{match}/
		3270	if exists $_->{match};
		3271	}
		3272	}
		3273
		3274	sub reload_facedata {
		3275	load_facedata "$DATADIR/facedata"
		3276	or die "unable to load facedata\n";
		3277	}
		3278
		3279	sub reload_archetypes {
		3280	load_resource_file "$DATADIR/archetypes"
		3281	or die "unable to load archetypes\n";
		3282	#d# NEED to laod twice to resolve forward references
		3283	# this really needs to be done in an extra post-pass
		3284	# (which needs to be synchronous, so solve it differently)
		3285	load_resource_file "$DATADIR/archetypes"
		3286	or die "unable to load archetypes\n";
		3287	}
		3288
		3289	sub reload_treasures {
		3290	load_resource_file "$DATADIR/treasures"
		3291	or die "unable to load treasurelists\n";
		3292	}
		3293
		3294	sub reload_resources {
		3295	warn "reloading resource files...\n";
		3296
		3297	reload_regions;
		3298	reload_facedata;
		3299	#reload_archetypes;#d#
		3300	reload_archetypes;
		3301	reload_treasures;
		3302
		3303	warn "finished reloading resource files\n";
		3304	}
		3305
		3306	sub init {
		3307	reload_resources;
		3308	}
		3309
		3310	sub reload_config {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3311	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3312	or return;
2255		3313
2256	local $/;	3314	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3315	*CFG = YAML::Load <$fh>;
2258		3316
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2260		3318
2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3319	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3320	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2268	};	3326	};
2269	warn $@ if $@;	3327	warn $@ if $@;
2270	}	3328	}
2271	}	3329	}
2272		3330
2273	sub init {
2274	load_resources;
2275	}
2276
2277	sub main {	3331	sub main {
2278	# we must not ever block the main coroutine	3332	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3333	local $Coro::idle = sub {
2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2281	(async {	3335	(async {
2282	Event::one_event;	3336	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3337	EV::loop EV::LOOP_ONESHOT;
2283	})->prio (Coro::PRIO_MAX);	3338	})->prio (Coro::PRIO_MAX);
2284	};	3339	};
2285		3340
2286	cfg_load;	3341	reload_config;
2287	db_init;	3342	db_init;
2288	load_extensions;	3343	load_extensions;
2289		3344
2290	$TICK_WATCHER->start;	3345	$TICK_WATCHER->start;
		3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2291	Event::loop;	3347	EV::loop;
2292	}	3348	}
2293		3349
2294	#############################################################################	3350	#############################################################################
2295	# initialisation and cleanup	3351	# initialisation and cleanup
2296		3352
2297	# install some emergency cleanup handlers	3353	# install some emergency cleanup handlers
2298	BEGIN {	3354	BEGIN {
		3355	our %SIGWATCHER = ();
2299	for my $signal (qw(INT HUP TERM)) {	3356	for my $signal (qw(INT HUP TERM)) {
2300	Event->signal (	3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2301	reentrant => 0,
2302	data => WF_AUTOCANCEL,
2303	signal => $signal,
2304	prio => 0,
2305	cb => sub {
2306	cf::cleanup "SIG$signal";	3358	cf::cleanup "SIG$signal";
2307	},
2308	);	3359	};
		3360	}
		3361	}
		3362
		3363	sub write_runtime {
		3364	my $runtime = "$LOCALDIR/runtime";
		3365
		3366	# first touch the runtime file to show we are still running:
		3367	# the fsync below can take a very very long time.
		3368
		3369	IO::AIO::aio_utime $runtime, undef, undef;
		3370
		3371	my $guard = cf::lock_acquire "write_runtime";
		3372
		3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3374	or return;
		3375
		3376	my $value = $cf::RUNTIME + 90 + 10;
		3377	# 10 is the runtime save interval, for a monotonic clock
		3378	# 60 allows for the watchdog to kill the server.
		3379
		3380	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3381	and return;
		3382
		3383	# always fsync - this file is important
		3384	aio_fsync $fh
		3385	and return;
		3386
		3387	# touch it again to show we are up-to-date
		3388	aio_utime $fh, undef, undef;
		3389
		3390	close $fh
		3391	or return;
		3392
		3393	aio_rename "$runtime~", $runtime
		3394	and return;
		3395
		3396	warn "runtime file written.\n";
		3397
2309	}	3398	1
2310	}	3399	}
2311		3400
2312	sub emergency_save() {	3401	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3402	my $freeze_guard = cf::freeze_mainloop;
2314		3403
…		…
2320	# and maps saved/destroyed asynchronously.	3409	# and maps saved/destroyed asynchronously.
2321	warn "begin emergency player save\n";	3410	warn "begin emergency player save\n";
2322	for my $login (keys %cf::PLAYER) {	3411	for my $login (keys %cf::PLAYER) {
2323	my $pl = $cf::PLAYER{$login} or next;	3412	my $pl = $cf::PLAYER{$login} or next;
2324	$pl->valid or next;	3413	$pl->valid or next;
		3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2325	$pl->save;	3415	$pl->save;
2326	}	3416	}
2327	warn "end emergency player save\n";	3417	warn "end emergency player save\n";
2328		3418
2329	warn "begin emergency map save\n";	3419	warn "begin emergency map save\n";
…		…
2347		3437
2348	warn Carp::longmess "post_cleanup backtrace"	3438	warn Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3439	if $make_core;
2350	}	3440	}
2351		3441
2352	sub reload() {	3442	sub do_reload_perl() {
2353	# can/must only be called in main	3443	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3444	if ($Coro::current != $Coro::main) {
2355	warn "can only reload from main coroutine";	3445	warn "can only reload from main coroutine";
2356	return;	3446	return;
2357	}	3447	}
…		…
2368	warn "syncing database to disk";	3458	warn "syncing database to disk";
2369	BDB::db_env_txn_checkpoint $DB_ENV;	3459	BDB::db_env_txn_checkpoint $DB_ENV;
2370		3460
2371	# if anything goes wrong in here, we should simply crash as we already saved	3461	# if anything goes wrong in here, we should simply crash as we already saved
2372		3462
2373	warn "cancelling all WF_AUTOCANCEL watchers";
2374	for (Event::all_watchers) {
2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2376	}
2377
2378	warn "flushing outstanding aio requests";	3463	warn "flushing outstanding aio requests";
2379	for (;;) {	3464	for (;;) {
2380	BDB::flush;	3465	BDB::flush;
2381	IO::AIO::flush;	3466	IO::AIO::flush;
2382	Coro::cede;	3467	Coro::cede_notself;
2383	last unless IO::AIO::nreqs || BDB::nreqs;	3468	last unless IO::AIO::nreqs || BDB::nreqs;
2384	warn "iterate...";	3469	warn "iterate...";
2385	}	3470	}
		3471
		3472	++$RELOAD;
2386		3473
2387	warn "cancelling all extension coros";	3474	warn "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;	3475	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();	3476	%EXT_CORO = ();
2390		3477
2391	warn "removing commands";	3478	warn "removing commands";
2392	%COMMAND = ();	3479	%COMMAND = ();
2393		3480
2394	warn "removing ext commands";	3481	warn "removing ext/exti commands";
2395	%EXTCMD = ();	3482	%EXTCMD = ();
		3483	%EXTICMD = ();
2396		3484
2397	warn "unloading/nuking all extensions";	3485	warn "unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {	3486	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";	3487	warn "... unloading $pkg";
2400		3488
…		…
2430	Symbol::delete_package "safe::$_"	3518	Symbol::delete_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3519	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		3520
2433	warn "unloading cf.pm \"a bit\"";	3521	warn "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3522	delete $INC{"cf.pm"};
		3523	delete $INC{"cf/pod.pm"};
2435		3524
2436	# don't, removes xs symbols, too,	3525	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3526	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3527	#Symbol::delete_package __PACKAGE__;
2439		3528
…		…
2442	warn "reloading cf.pm";	3531	warn "reloading cf.pm";
2443	require cf;	3532	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2445		3534
2446	warn "loading config and database again";	3535	warn "loading config and database again";
2447	cf::cfg_load;	3536	cf::reload_config;
2448		3537
2449	warn "loading extensions";	3538	warn "loading extensions";
2450	cf::load_extensions;	3539	cf::load_extensions;
2451		3540
2452	warn "reattaching attachments to objects/players";	3541	warn "reattaching attachments to objects/players";
2453	_global_reattach;	3542	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	3543	warn "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	3544	reattach $_ for values %MAP;
2456		3545	warn "reattaching attachments to players";
2457	warn "loading reloadable resources";	3546	reattach $_ for values %PLAYER;
2458	load_resources;
2459		3547
2460	warn "leaving sync_job";	3548	warn "leaving sync_job";
2461		3549
2462	1	3550	1
2463	} or do {	3551	} or do {
…		…
2469	warn "reloaded";	3557	warn "reloaded";
2470	};	3558	};
2471		3559
2472	our $RELOAD_WATCHER; # used only during reload	3560	our $RELOAD_WATCHER; # used only during reload
2473		3561
		3562	sub reload_perl() {
		3563	# doing reload synchronously and two reloads happen back-to-back,
		3564	# coro crashes during coro_state_free->destroy here.
		3565
		3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3567	undef $RELOAD_WATCHER;
		3568	do_reload_perl;
		3569	};
		3570	}
		3571
2474	register_command "reload" => sub {	3572	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3573	my ($who, $arg) = @_;
2476		3574
2477	if ($who->flag (FLAG_WIZ)) {	3575	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3576	$who->message ("reloading server.");
2479		3577	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	3578	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	3579	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	3580	};
2492	}	3581	}
2493	};	3582	};
2494		3583
2495	unshift @INC, $LIBDIR;	3584	unshift @INC, $LIBDIR;
2496		3585
2497	my $bug_warning = 0;	3586	my $bug_warning = 0;
2498		3587
2499	$TICK_WATCHER = Event->timer (	3588	our @WAIT_FOR_TICK;
2500	reentrant => 0,	3589	our @WAIT_FOR_TICK_BEGIN;
2501	parked => 1,	3590
2502	prio => 0,	3591	sub wait_for_tick {
2503	at => $NEXT_TICK || $TICK,	3592	return unless $TICK_WATCHER->is_active;
2504	data => WF_AUTOCANCEL,	3593	return if $Coro::current == $Coro::main;
2505	cb => sub {	3594
		3595	my $signal = new Coro::Signal;
		3596	push @WAIT_FOR_TICK, $signal;
		3597	$signal->wait;
		3598	}
		3599
		3600	sub wait_for_tick_begin {
		3601	return unless $TICK_WATCHER->is_active;
		3602	return if $Coro::current == $Coro::main;
		3603
		3604	my $signal = new Coro::Signal;
		3605	push @WAIT_FOR_TICK_BEGIN, $signal;
		3606	$signal->wait;
		3607	}
		3608
		3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2506	if ($Coro::current != $Coro::main) {	3610	if ($Coro::current != $Coro::main) {
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3612	unless ++$bug_warning > 10;
2509	return;	3613	return;
2510	}	3614	}
2511		3615
2512	$NOW = Event::time;	3616	$NOW = $tick_start = EV::now;
2513		3617
2514	cf::server_tick; # one server iteration	3618	cf::server_tick; # one server iteration
		3619
2515	$RUNTIME += $TICK;	3620	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;	3621	$NEXT_TICK = $_[0]->at;
2517		3622
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2520	Coro::async_pool {	3625	Coro::async_pool {
		3626	$Coro::current->{desc} = "runtime saver";
2521	write_runtime	3627	write_runtime
2522	or warn "ERROR: unable to write runtime file: $!";	3628	or warn "ERROR: unable to write runtime file: $!";
2523	};
2524	}	3629	};
2525
2526
2527	$WAIT_FOR_TICK->broadcast;
2528	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2529
2530	# my $AFTER = Event::time;
2531	# warn $AFTER - $NOW;#d#
2532
2533	# if we are delayed by four ticks or more, skip them all
2534	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2535
2536	$TICK_WATCHER->at ($NEXT_TICK);
2537	$TICK_WATCHER->start;
2538	},	3630	}
2539	);	3631
		3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3633	$sig->send;
		3634	}
		3635	while (my $sig = shift @WAIT_FOR_TICK) {
		3636	$sig->send;
		3637	}
		3638
		3639	$LOAD = ($NOW - $tick_start) / $TICK;
		3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3641
		3642	_post_tick;
		3643	};
		3644	$TICK_WATCHER->priority (EV::MAXPRI);
2540		3645
2541	{	3646	{
2542	BDB::max_poll_time $TICK * 0.1;	3647	# configure BDB
2543	$BDB_POLL_WATCHER = Event->io (	3648
2544	reentrant => 0,
2545	fd => BDB::poll_fileno,
2546	poll => 'r',
2547	prio => 0,
2548	data => WF_AUTOCANCEL,
2549	cb => \&BDB::poll_cb,
2550	);
2551	BDB::min_parallel 8;	3649	BDB::min_parallel 8;
2552		3650	BDB::max_poll_reqs $TICK * 0.1;
2553	BDB::set_sync_prepare {	3651	$Coro::BDB::WATCHER->priority (1);
2554	my $status;
2555	my $current = $Coro::current;
2556	(
2557	sub {
2558	$status = $!;
2559	$current->ready; undef $current;
2560	},
2561	sub {
2562	Coro::schedule while defined $current;
2563	$! = $status;
2564	},
2565	)
2566	};
2567		3652
2568	unless ($DB_ENV) {	3653	unless ($DB_ENV) {
2569	$DB_ENV = BDB::db_env_create;	3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2570		3659
2571	cf::sync_job {	3660	cf::sync_job {
2572	eval {	3661	eval {
2573	BDB::db_env_open	3662	BDB::db_env_open
2574	$DB_ENV,	3663	$DB_ENV,
2575	$BDB_ENV_DIR,	3664	$BDBDIR,
2576	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2577	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2578	0666;	3667	0666;
2579		3668
2580	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2581
2582	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2583	$DB_ENV->set_lk_detect;
2584	};	3670	};
2585		3671
2586	cf::cleanup "db_env_open(db): $@" if $@;	3672	cf::cleanup "db_env_open(db): $@" if $@;
2587	};	3673	};
2588	}	3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
2589	}	3685	}
2590		3686
2591	{	3687	{
		3688	# configure IO::AIO
		3689
2592	IO::AIO::min_parallel 8;	3690	IO::AIO::min_parallel 8;
2593
2594	undef $Coro::AIO::WATCHER;
2595	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
2596	$AIO_POLL_WATCHER = Event->io (	3692	$Coro::AIO::WATCHER->priority (1);
2597	reentrant => 0,
2598	data => WF_AUTOCANCEL,
2599	fd => IO::AIO::poll_fileno,
2600	poll => 'r',
2601	prio => 6,
2602	cb => \&IO::AIO::poll_cb,
2603	);
2604	}	3693	}
		3694
		3695	my $_log_backtrace;
		3696
		3697	sub _log_backtrace {
		3698	my ($msg, @addr) = @_;
		3699
		3700	$msg =~ s/\n//;
		3701
		3702	# limit the # of concurrent backtraces
		3703	if ($_log_backtrace < 2) {
		3704	++$_log_backtrace;
		3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
		3708	my @bt = fork_call {
		3709	@addr = map { sprintf "%x", $_ } @addr;
		3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3712	or die "addr2line: $!";
		3713
		3714	my @funcs;
		3715	my @res = <$fh>;
		3716	chomp for @res;
		3717	while (@res) {
		3718	my ($func, $line) = splice @res, 0, 2, ();
		3719	push @funcs, "[$func] $line";
		3720	}
		3721
		3722	@funcs
		3723	};
		3724
		3725	LOG llevInfo, "[ABT] $msg\n";
		3726	LOG llevInfo, "[ABT] $_\n" for @bt;
		3727	--$_log_backtrace;
		3728	};
		3729	} else {
		3730	LOG llevInfo, "[ABT] $msg\n";
		3731	LOG llevInfo, "[ABT] [suppressed]\n";
		3732	}
		3733	}
		3734
		3735	# load additional modules
		3736	use cf::pod;
2605		3737
2606	END { cf::emergency_save }	3738	END { cf::emergency_save }
2607		3739
2608	1	3740	1
2609		3741

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