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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.198 by root, Sun Jan 28 01:58:37 2007 UTC vs.
Revision 1.410 by root, Tue Jan 15 12:02:24 2008 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use EV 1.86;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.32 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
19		26
		27	use JSON::XS 2.01 ();
		28	use BDB ();
20	use Data::Dumper;	29	use Data::Dumper;
21	use Digest::MD5;	30	use Digest::MD5;
22	use Fcntl;	31	use Fcntl;
		32	use YAML ();
23	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	34	use Time::HiRes;
		35	use Compress::LZF;
		36	use Digest::MD5 ();
26		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	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
		42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		43
		44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		45
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
36	our %COMMAND = ();	48	our %COMMAND = ();
37	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
38		50
39	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	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(!)
48	our $TICK_WATCHER;	74	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	77	our $NEXT_TICK;
52	our $NOW;	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
		84	our $DB_ENV;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
58		91
59	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	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
101	every server tick.	133	every server tick.
102		134
103	=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
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	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
124	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
125	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.
126	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.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
140	LOG llevError, $msg;	192	LOG llevError, $msg;
141	};	193	};
142	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	return unless $^S eq 0; # "eq", not "=="
		198
		199	if ($Coro::current == $Coro::main) {#d#
		200	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		201	return;#d#
		202	}#d#
		203
		204	# kill coroutine otherwise
		205	warn Carp::longmess $_[0];
		206	Coro::terminate
		207	};
		208
		209	$SIG{__DIE__} = sub { }; #d#?
143		210
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	215	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		216	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	217	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		218
151	# we bless all objects into (empty) derived classes to force a method lookup	219	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	220	# within the Safe compartment.
153	for my $pkg (qw(	221	for my $pkg (qw(
154	cf::global cf::attachable	222	cf::global cf::attachable
…		…
159	)) {	227	)) {
160	no strict 'refs';	228	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	230	}
163		231
164	$Event::DIED = sub {	232	$EV::DIED = sub {
165	warn "error in event callback: @_";	233	warn "error in event callback: @_";
166	};	234	};
		235
		236	#############################################################################
167		237
168	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
169		239
170	=over 4	240	=over 4
171		241
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	260	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	261	$d
192	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
193	}	263	}
194		264
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
198		266
199	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
200		268
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
209		270
210	Converts a perl data structure into its JSON representation.	271	Converts a perl data structure into its JSON representation.
211		272
212	=cut	273	=cut
213		274
214	sub to_json($) {	275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	276
216	JSON::Syck::Dump $_[0]	277	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	278	sub decode_json($) { $json_coder->decode ($_[0]) }
218		279
219	=item cf::lock_wait $string	280	=item cf::lock_wait $string
220		281
221	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
222		283
…		…
225	Wait until the given lock is available and then acquires it and returns	286	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	287	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	288	for example when the coroutine gets canceled), the lock is automatically
228	returned.	289	returned.
229		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
230	Lock names should begin with a unique identifier (for example, cf::map::find	294	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
232		296
		297	=item $locked = cf::lock_active $string
		298
		299	Return true if the lock is currently active, i.e. somebody has locked it.
		300
233	=cut	301	=cut
234		302
235	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
236		305
237	sub lock_wait($) {	306	sub lock_wait($) {
238	my ($key) = @_;	307	my ($key) = @_;
		308
		309	if ($LOCKER{$key} == $Coro::current) {#d#
		310	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		311	return;#d#
		312	}#d#
239		313
240	# wait for lock, if any	314	# wait for lock, if any
241	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	317	Coro::schedule;
…		…
249		323
250	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
251	lock_wait $key;	325	lock_wait $key;
252		326
253	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
254		329
255	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
258	}	334	}
259	}	335	}
260		336
		337	sub lock_active($) {
		338	my ($key) = @_;
		339
		340	! ! $LOCK{$key}
		341	}
		342
261	sub freeze_mainloop {	343	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	344	return unless $TICK_WATCHER->is_active;
263		345
264	my $guard = Coro::guard {	346	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	347	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	348	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
270	$guard	350	$guard
		351	}
		352
		353	=item cf::periodic $interval, $cb
		354
		355	Like EV::periodic, but randomly selects a starting point so that the actions
		356	get spread over timer.
		357
		358	=cut
		359
		360	sub periodic($$) {
		361	my ($interval, $cb) = @_;
		362
		363	my $start = rand List::Util::min 180, $interval;
		364
		365	EV::periodic $start, $interval, 0, $cb
		366	}
		367
		368	=item cf::get_slot $time[, $priority[, $name]]
		369
		370	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		371	This call blocks and returns only when you have at least C<$time> seconds
		372	of cpu time till the next tick. The slot is only valid till the next cede.
		373
		374	The optional C<$name> can be used to identify the job to run. It might be
		375	used for statistical purposes and should identify the same time-class.
		376
		377	Useful for short background jobs.
		378
		379	=cut
		380
		381	our @SLOT_QUEUE;
		382	our $SLOT_QUEUE;
		383
		384	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		385	$SLOT_QUEUE = Coro::async {
		386	$Coro::current->desc ("timeslot manager");
		387
		388	my $signal = new Coro::Signal;
		389
		390	while () {
		391	next_job:
		392	my $avail = cf::till_tick;
		393	if ($avail > 0.01) {
		394	for (0 .. $#SLOT_QUEUE) {
		395	if ($SLOT_QUEUE[$_][0] < $avail) {
		396	my $job = splice @SLOT_QUEUE, $_, 1, ();
		397	$job->[2]->send;
		398	Coro::cede;
		399	goto next_job;
		400	}
		401	}
		402	}
		403
		404	if (@SLOT_QUEUE) {
		405	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		406	push @cf::WAIT_FOR_TICK, $signal;
		407	$signal->wait;
		408	} else {
		409	Coro::schedule;
		410	}
		411	}
		412	};
		413
		414	sub get_slot($;$$) {
		415	my ($time, $pri, $name) = @_;
		416
		417	$time = $TICK * .6 if $time > $TICK * .6;
		418	my $sig = new Coro::Signal;
		419
		420	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		421	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		422	$SLOT_QUEUE->ready;
		423	$sig->wait;
271	}	424	}
272		425
273	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
274		427
275	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		433
281	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
282		435
283	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
284		437
285	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
288		442
289	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
292	fast or be very important.	446	fast or be very important.
…		…
295		449
296	sub sync_job(&) {	450	sub sync_job(&) {
297	my ($job) = @_;	451	my ($job) = @_;
298		452
299	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
		454	my $time = EV::time;
		455
300	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
302		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
303	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	462	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
306		464
307	my $busy = 1;	465	my $busy = 1;
308	my @res;	466	my @res;
309		467
310	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	470	@res = eval { $job->() };
312	warn $@ if $@;	471	warn $@ if $@;
313	undef $busy;	472	undef $busy;
314	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
315		474
316	while ($busy) {	475	while ($busy) {
317	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
318	}	480	}
		481	}
		482
		483	$time = EV::time - $time;
		484
		485	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		486	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		487
		488	$tick_start += $time; # do not account sync jobs to server load
319		489
320	wantarray ? @res : $res[0]	490	wantarray ? @res : $res[0]
321	} else {	491	} else {
322	# we are in another coroutine, how wonderful, everything just works	492	# we are in another coroutine, how wonderful, everything just works
323		493
…		…
343	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
344		514
345	$coro	515	$coro
346	}	516	}
347		517
348	sub write_runtime {	518	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		519
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	520	Executes the given code block with the given arguments in a seperate
352	or return;	521	process, returning the results. Everything must be serialisable with
		522	Coro::Storable. May, of course, block. Note that the executed sub may
		523	never block itself or use any form of event handling.
353		524
354	my $value = $cf::RUNTIME + 90 + 10;	525	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		526
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	527	sub fork_call(&@) {
359	and return;	528	my ($cb, @args) = @_;
360		529
361	aio_fsync $fh	530	# we seemingly have to make a local copy of the whole thing,
362	and return;	531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
363		533
364	close $fh	534	my @res = Coro::Util::fork_eval {
365	or return;	535	reset_signals;
		536	&$cb
		537	}, @args;
366		538
367	aio_rename "$runtime~", $runtime	539	wantarray ? @res : $res[-1]
368	and return;	540	}
369		541
		542	=item $value = cf::db_get $family => $key
		543
		544	Returns a single value from the environment database.
		545
		546	=item cf::db_put $family => $key => $value
		547
		548	Stores the given C<$value> in the family. It can currently store binary
		549	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		550
		551	=item $db = cf::db_table "name"
		552
		553	Create and/or open a new database table. The string must not be "db" and must be unique
		554	within each server.
		555
		556	=cut
		557
		558	sub db_table($) {
		559	my ($name) = @_;
		560	my $db = BDB::db_create $DB_ENV;
		561
		562	eval {
		563	$db->set_flags (BDB::CHKSUM);
		564
		565	utf8::encode $name;
		566	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		567	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		568	cf::cleanup "db_open(db): $!" if $!;
		569	};
		570	cf::cleanup "db_open(db): $@" if $@;
		571
		572	$db
		573	}
		574
		575	our $DB;
		576
		577	sub db_init {
		578	cf::sync_job {
		579	$DB ||= db_table "db";
		580	};
		581	}
		582
		583	sub db_get($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
370	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		595	BDB::dbreq_pri 4;
		596	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		597	}
		598
		599	=item cf::cache $id => [$paths...], $processversion => $process
		600
		601	Generic caching function that returns the value of the resource $id,
		602	caching and regenerating as required.
		603
		604	This function can block.
		605
		606	=cut
		607
		608	sub cache {
		609	my ($id, $src, $processversion, $process) = @_;
		610
		611	my $meta =
		612	join "\x00",
		613	$processversion,
		614	map {
		615	aio_stat $_
		616	and Carp::croak "$_: $!";
		617
		618	($_, (stat _)[7,9])
		619	} @$src;
		620
		621	my $dbmeta = db_get cache => "$id/meta";
		622	if ($dbmeta ne $meta) {
		623	# changed, we may need to process
		624
		625	my @data;
		626	my $md5;
		627
		628	for (0 .. $#$src) {
		629	0 <= aio_load $src->[$_], $data[$_]
		630	or Carp::croak "$src->[$_]: $!";
		631	}
		632
		633	# if processing is expensive, check
		634	# checksum first
		635	if (1) {
		636	$md5 =
		637	join "\x00",
		638	$processversion,
		639	map {
		640	cf::cede_to_tick;
		641	($src->[$_], Digest::MD5::md5_hex $data[$_])
		642	} 0.. $#$src;
		643
		644
		645	my $dbmd5 = db_get cache => "$id/md5";
		646	if ($dbmd5 eq $md5) {
		647	db_put cache => "$id/meta", $meta;
		648
		649	return db_get cache => "$id/data";
		650	}
		651	}
		652
		653	my $t1 = Time::HiRes::time;
		654	my $data = $process->(\@data);
		655	my $t2 = Time::HiRes::time;
		656
		657	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		658
		659	db_put cache => "$id/data", $data;
		660	db_put cache => "$id/md5" , $md5;
		661	db_put cache => "$id/meta", $meta;
		662
		663	return $data;
		664	}
		665
		666	db_get cache => "$id/data"
		667	}
		668
		669	=item cf::datalog type => key => value, ...
		670
		671	Log a datalog packet of the given type with the given key-value pairs.
		672
		673	=cut
		674
		675	sub datalog($@) {
		676	my ($type, %kv) = @_;
		677	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	678	}
372		679
373	=back	680	=back
374		681
375	=cut	682	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	689	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
384		691
385	In the following description, CLASS can be any of C<global>, C<object>	692	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	693	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	694	Deliantra).
388		695
389	=over 4	696	=over 4
390		697
391	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
392		699
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	862	$registry = $CB_TYPE[$object_type] ||= [];
556		863
557	} elsif ($type eq "subtype") {	864	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	865	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	866	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	867	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		868
562	} elsif ($type eq "package") {	869	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	870	my $pkg = shift @arg;
564		871
565	while (my ($name, $id) = each %cb_id) {	872	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
595	}	902	}
596		903
597	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
598	} else {	905	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	907	}
601		908
602	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
603	}	910	}
604		911
…		…
606	if (ref $_[0]) {	913	if (ref $_[0]) {
607	_object_attach @_;	914	_object_attach @_;
608	} else {	915	} else {
609	_attach shift->_attach_registry, @_;	916	_attach shift->_attach_registry, @_;
610	}	917	}
		918	_recalc_want;
611	};	919	};
612		920
613	# all those should be optimised	921	# all those should be optimised
614	sub cf::attachable::detach {	922	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	926	delete $obj->{_attachment}{$name};
619	reattach ($obj);	927	reattach ($obj);
620	} else {	928	} else {
621	Carp::croak "cannot, currently, detach class attachments";	929	Carp::croak "cannot, currently, detach class attachments";
622	}	930	}
		931	_recalc_want;
623	};	932	};
624		933
625	sub cf::attachable::attached {	934	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
627		936
…		…
642	";	951	";
643	die if $@;	952	die if $@;
644	}	953	}
645		954
646	our $override;	955	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	956	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		957
649	sub override {	958	sub override {
650	$override = 1;	959	$override = 1;
651	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
652	}	961	}
653		962
654	sub do_invoke {	963	sub do_invoke {
655	my $event = shift;	964	my $event = shift;
656	my $callbacks = shift;	965	my $callbacks = shift;
657		966
658	@invoke_results = ();	967	@INVOKE_RESULTS = ();
659		968
660	local $override;	969	local $override;
661		970
662	for (@$callbacks) {	971	for (@$callbacks) {
663	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
672	}	981	}
673		982
674	0	983	0
675	}	984	}
676		985
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		987
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		989
681	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
682		991
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	992	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	993	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		995
687	=back	996	=back
688		997
689	=cut	998	=cut
690		999
691	#############################################################################	1000	#############################################################################
692	# object support	1001	# object support
		1002
		1003	sub _object_equal($$);
		1004	sub _object_equal($$) {
		1005	my ($a, $b) = @_;
		1006
		1007	return 0 unless (ref $a) eq (ref $b);
		1008
		1009	if ("HASH" eq ref $a) {
		1010	my @ka = keys %$a;
		1011	my @kb = keys %$b;
		1012
		1013	return 0 if @ka != @kb;
		1014
		1015	for (0 .. $#ka) {
		1016	return 0 unless $ka[$_] eq $kb[$_];
		1017	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1018	}
		1019
		1020	} elsif ("ARRAY" eq ref $a) {
		1021
		1022	return 0 if @$a != @$b;
		1023
		1024	for (0 .. $#$a) {
		1025	return 0 unless _object_equal $a->[$_], $b->[$_];
		1026	}
		1027
		1028	} elsif ($a ne $b) {
		1029	return 0;
		1030	}
		1031
		1032	1
		1033	}
		1034
		1035	our $SLOW_MERGES;#d#
		1036	sub _can_merge {
		1037	my ($ob1, $ob2) = @_;
		1038
		1039	++$SLOW_MERGES;#d#
		1040
		1041	# we do the slow way here
		1042	return _object_equal $ob1, $ob2
		1043	}
693		1044
694	sub reattach {	1045	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1047	my ($obj) = @_;
697		1048
…		…
718	cf::attachable->attach (	1069	cf::attachable->attach (
719	prio => -1000000,	1070	prio => -1000000,
720	on_instantiate => sub {	1071	on_instantiate => sub {
721	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
722		1073
723	$data = from_json $data;	1074	$data = decode_json $data;
724		1075
725	for (@$data) {	1076	for (@$data) {
726	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
727		1078
728	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1095	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
746		1097
747	sync_job {	1098	sync_job {
748	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
751		1103
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1107	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1108	close $fh;
757		1109
758	if (@$objs) {	1110	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1111	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1115	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1116	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
766	}	1118	}
767	} else {	1119	} else {
768	aio_unlink "$filename.pst";	1120	aio_unlink "$filename.pst";
…		…
774	}	1126	}
775	} else {	1127	} else {
776	aio_unlink $filename;	1128	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
778	}	1130	}
779	}	1131	};
780	}	1132	}
781		1133
782	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
784		1136
…		…
796	or return;	1148	or return;
797		1149
798	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
800	or return;	1152	or return;
		1153
801	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
802	}	1156	}
803		1157
		1158	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
806	return ($data, $av);	1162	($data, $av)
807	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
808		1170
809	#############################################################################	1171	#############################################################################
810	# command handling &c	1172	# command handling &c
811		1173
812	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1188	}
827		1189
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1191
830	Register a callbackf ro execution when the client sends an extcmd packet.	1192	Register a callback for execution when the client sends an (synchronous)
		1193	extcmd packet. Ext commands will be processed in the order they are
		1194	received by the server, like other user commands. The first argument is
		1195	the logged-in player. Ext commands can only be processed after a player
		1196	has logged in successfully.
831		1197
832	If the callback returns something, it is sent back as if reply was being	1198	If the callback returns something, it is sent back as if reply was being
833	called.	1199	called.
834		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
835	=cut	1212	=cut
836		1213
837	sub register_extcmd {	1214	sub register_extcmd {
838	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
839		1216
840	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
841	}	1224	}
842		1225
843	cf::player->attach (	1226	cf::player->attach (
844	on_command => sub {	1227	on_command => sub {
845	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1237	cf::override;
855	},	1238	},
856	on_extcmd => sub {	1239	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
858		1241
859	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1243
861	if (ref $msg) {	1244	if (ref $msg) {
		1245	my ($type, $reply, @payload) =
		1246	"ARRAY" eq ref $msg
		1247	? @$msg
		1248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1249
		1250	my @reply;
		1251
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
867	} else {	1259	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1261	}
870		1262
871	cf::override;	1263	cf::override;
872	},	1264	},
873	);	1265	);
874		1266
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
910	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1272	next unless -r $path;
912	eval {	1273
913	load_extension $ext;	1274	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1275	my $base = $1;
		1276	my $pkg = $1;
		1277	$pkg =~ s/[^[:word:]]/_/g;
		1278	$pkg = "ext::$pkg";
		1279
		1280	open my $fh, "<:utf8", $path
		1281	or die "$path: $!";
		1282
		1283	my $source = do { local $/; <$fh> };
		1284
		1285	my %ext = (
		1286	path => $path,
		1287	base => $base,
		1288	pkg => $pkg,
		1289	);
		1290
		1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1293
		1294	$ext{source} =
		1295	"package $pkg; use strict; use utf8;\n"
		1296	. "#line 1 \"$path\"\n{\n"
		1297	. $source
		1298	. "\n};\n1";
		1299
		1300	$todo{$base} = \%ext;
		1301	}
		1302
		1303	my %done;
		1304	while (%todo) {
		1305	my $progress;
		1306
		1307	while (my ($k, $v) = each %todo) {
		1308	for (split /,\s*/, $v->{meta}{depends}) {
		1309	goto skip
		1310	unless exists $done{$_};
		1311	}
		1312
		1313	warn "... loading '$k' into '$v->{pkg}'\n";
		1314
		1315	unless (eval $v->{source}) {
		1316	my $msg = $@ ? "$v->{path}: $@\n"
		1317	: "$v->{base}: extension inactive.\n";
		1318
		1319	if (exists $v->{meta}{mandatory}) {
		1320	warn $msg;
		1321	warn "mandatory extension failed to load, exiting.\n";
		1322	exit 1;
		1323	}
		1324
		1325	warn $msg;
		1326	}
		1327
		1328	$done{$k} = delete $todo{$k};
		1329	push @EXTS, $v->{pkg};
		1330	$progress = 1;
914	1	1331	}
915	} or warn "$ext not loaded: $@";	1332
		1333	skip:
		1334	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1335	unless $progress;
		1336	}
916	}	1337	};
917	}	1338	}
918		1339
919	#############################################################################	1340	#############################################################################
920		1341
		1342	=back
		1343
921	=head2 CORE EXTENSIONS	1344	=head2 CORE EXTENSIONS
922		1345
923	Functions and methods that extend core crossfire objects.	1346	Functions and methods that extend core crossfire objects.
924		1347
925	=cut	1348	=cut
…		…
930		1353
931	=head3 cf::player	1354	=head3 cf::player
932		1355
933	=over 4	1356	=over 4
934		1357
		1358	=item cf::player::num_playing
		1359
		1360	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1361
		1362	=cut
		1363
		1364	sub num_playing {
		1365	scalar grep
		1366	$_->ob->map
		1367	&& !$_->hidden
		1368	&& !$_->ob->flag (cf::FLAG_WIZ),
		1369	cf::player::list
		1370	}
		1371
935	=item cf::player::find $login	1372	=item cf::player::find $login
936		1373
937	Returns the given player object, loading it if necessary (might block).	1374	Returns the given player object, loading it if necessary (might block).
938		1375
939	=cut	1376	=cut
940		1377
941	sub playerdir($) {	1378	sub playerdir($) {
942	cf::localdir	1379	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1380	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1381	}
948		1382
949	sub path($) {	1383	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1384	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1385
952	(playerdir $login) . "/$login.pl"	1386	(playerdir $login) . "/playerdata"
953	}	1387	}
954		1388
955	sub find_active($) {	1389	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1390	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1391	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1404	my $login = $_[0];
971		1405
972	my $guard = cf::lock_acquire "user_find:$login";	1406	my $guard = cf::lock_acquire "user_find:$login";
973		1407
974	$cf::PLAYER{$_[0]} || do {	1408	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1409	# rename old playerfiles to new ones
		1410	#TODO: remove when no longer required
		1411	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1412	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1413	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1414	aio_unlink +(playerdir $login) . "/$login.pl";
		1415
		1416	my $f = new_from_file cf::object::thawer path $login
976	or return;	1417	or return;
		1418
		1419	my $pl = cf::player::load_pl $f
		1420	or return;
		1421	local $cf::PLAYER_LOADING{$login} = $pl;
		1422	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1423	$cf::PLAYER{$login} = $pl
978	}	1424	}
979	}	1425	}
980	}	1426	}
981		1427
…		…
991		1437
992	aio_mkdir playerdir $pl, 0770;	1438	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1439	$pl->{last_save} = $cf::RUNTIME;
994		1440
995	$pl->save_pl ($path);	1441	$pl->save_pl ($path);
996	Coro::cede;	1442	cf::cede_to_tick;
997	}	1443	}
998		1444
999	sub new($) {	1445	sub new($) {
1000	my ($login) = @_;	1446	my ($login) = @_;
1001		1447
…		…
1007	$cf::PLAYER{$login} = $self;	1453	$cf::PLAYER{$login} = $self;
1008		1454
1009	$self	1455	$self
1010	}	1456	}
1011		1457
		1458	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1459
		1460	=cut
		1461
		1462	sub send_msg {
		1463	my $ns = shift->ns
		1464	or return;
		1465	$ns->send_msg (@_);
		1466	}
		1467
1012	=item $pl->quit_character	1468	=item $pl->quit_character
1013		1469
1014	Nukes the player without looking back. If logged in, the connection will	1470	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1471	be destroyed. May block for a long time.
1016		1472
1017	=cut	1473	=cut
1018		1474
1019	sub quit_character {	1475	sub quit_character {
1020	my ($pl) = @_;	1476	my ($pl) = @_;
		1477
		1478	my $name = $pl->ob->name;
1021		1479
1022	$pl->{deny_save} = 1;	1480	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1481	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1482
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1483	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1488	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1489	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1490	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1491	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1492	$pl->destroy;
		1493
		1494	my $prefix = qr<^~\Q$name\E/>;
		1495
		1496	# nuke player maps
		1497	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1498
1035	IO::AIO::aio_rmtree $temp;	1499	IO::AIO::aio_rmtree $temp;
		1500	}
		1501
		1502	=item $pl->kick
		1503
		1504	Kicks a player out of the game. This destroys the connection.
		1505
		1506	=cut
		1507
		1508	sub kick {
		1509	my ($pl, $kicker) = @_;
		1510
		1511	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1512	$pl->killer ("kicked");
		1513	$pl->ns->destroy;
1036	}	1514	}
1037		1515
1038	=item cf::player::list_logins	1516	=item cf::player::list_logins
1039		1517
1040	Returns am arrayref of all valid playernames in the system, can take a	1518	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1519	while and may block, so not sync_job-capable, ever.
1042		1520
1043	=cut	1521	=cut
1044		1522
1045	sub list_logins {	1523	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1524	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1525	or return [];
1048		1526
1049	my @logins;	1527	my @logins;
1050		1528
1051	for my $login (@$dirs) {	1529	for my $login (@$dirs) {
		1530	my $path = path $login;
		1531
		1532	# a .pst is a dead give-away for a valid player
		1533	unless (-e "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1534	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1535	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1536	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1537	}
1055		1538
1056	utf8::decode $login;	1539	utf8::decode $login;
1057	push @logins, $login;	1540	push @logins, $login;
1058	}	1541	}
1059		1542
…		…
1067		1550
1068	=cut	1551	=cut
1069		1552
1070	sub maps($) {	1553	sub maps($) {
1071	my ($pl) = @_;	1554	my ($pl) = @_;
		1555
		1556	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1557
1073	my $files = aio_readdir playerdir $pl	1558	my $files = aio_readdir playerdir $pl
1074	or return;	1559	or return;
1075		1560
1076	my @paths;	1561	my @paths;
…		…
1078	for (@$files) {	1563	for (@$files) {
1079	utf8::decode $_;	1564	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1565	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1566	next unless /^$PATH_SEP/o;
1082		1567
1083	s/\.map$//;	1568	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1569	}
1086		1570
1087	\@paths	1571	\@paths
1088	}	1572	}
1089		1573
		1574	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1575
		1576	Expand crossfire pod fragments into protocol xml.
		1577
		1578	=cut
		1579
		1580	use re 'eval';
		1581
		1582	my $group;
		1583	my $interior; $interior = qr{
		1584	# match a pod interior sequence sans C<< >>
		1585	(?:
		1586	\ (.*?)\ (?{ $group = $^N })
		1587	| < (??{$interior}) >
		1588	)
		1589	}x;
		1590
		1591	sub expand_cfpod {
		1592	my ($self, $pod) = @_;
		1593
		1594	my $xml;
		1595
		1596	while () {
		1597	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1598	$group = $1;
		1599
		1600	$group =~ s/&/&amp;/g;
		1601	$group =~ s/</&lt;/g;
		1602
		1603	$xml .= $group;
		1604	} elsif ($pod =~ m%\G
		1605	([BCGHITU])
		1606	<
		1607	(?:
		1608	([^<>]*) (?{ $group = $^N })
		1609	| < $interior >
		1610	)
		1611	>
		1612	%gcsx
		1613	) {
		1614	my ($code, $data) = ($1, $group);
		1615
		1616	if ($code eq "B") {
		1617	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1618	} elsif ($code eq "I") {
		1619	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1620	} elsif ($code eq "U") {
		1621	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1622	} elsif ($code eq "C") {
		1623	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1624	} elsif ($code eq "T") {
		1625	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1626	} elsif ($code eq "G") {
		1627	my ($male, $female) = split /\|/, $data;
		1628	$data = $self->gender ? $female : $male;
		1629	$xml .= expand_cfpod ($self, $data);
		1630	} elsif ($code eq "H") {
		1631	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1632	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1633	"")
		1634	[$self->{hintmode}];
		1635	} else {
		1636	$xml .= "error processing '$code($data)' directive";
		1637	}
		1638	} else {
		1639	if ($pod =~ /\G(.+)/) {
		1640	warn "parse error while expanding $pod (at $1)";
		1641	}
		1642	last;
		1643	}
		1644	}
		1645
		1646	for ($xml) {
		1647	# create single paragraphs (very hackish)
		1648	s/(?<=\S)\n(?=\w)/ /g;
		1649
		1650	# compress some whitespace
		1651	s/\s+\n/\n/g; # ws line-ends
		1652	s/\n\n+/\n/g; # double lines
		1653	s/^\n+//; # beginning lines
		1654	s/\n+$//; # ending lines
		1655	}
		1656
		1657	$xml
		1658	}
		1659
		1660	no re 'eval';
		1661
		1662	sub hintmode {
		1663	$_[0]{hintmode} = $_[1] if @_ > 1;
		1664	$_[0]{hintmode}
		1665	}
		1666
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1667	=item $player->ext_reply ($msgid, @msg)
1091		1668
1092	Sends an ext reply to the player.	1669	Sends an ext reply to the player.
1093		1670
1094	=cut	1671	=cut
1095		1672
1096	sub ext_reply($$$%) {	1673	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1674	my ($self, $id, @msg) = @_;
1098		1675
1099	$msg{msgid} = $id;	1676	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1677	}
1103		1678
1104	package cf;	1679	=item $player->ext_msg ($type, @msg)
		1680
		1681	Sends an ext event to the client.
		1682
		1683	=cut
		1684
		1685	sub ext_msg($$@) {
		1686	my ($self, $type, @msg) = @_;
		1687
		1688	$self->ns->ext_msg ($type, @msg);
		1689	}
		1690
		1691	=head3 cf::region
		1692
		1693	=over 4
		1694
		1695	=cut
		1696
		1697	package cf::region;
		1698
		1699	=item cf::region::find_by_path $path
		1700
		1701	Tries to decuce the likely region for a map knowing only its path.
		1702
		1703	=cut
		1704
		1705	sub find_by_path($) {
		1706	my ($path) = @_;
		1707
		1708	my ($match, $specificity);
		1709
		1710	for my $region (list) {
		1711	if ($region->{match} && $path =~ $region->{match}) {
		1712	($match, $specificity) = ($region, $region->specificity)
		1713	if $region->specificity > $specificity;
		1714	}
		1715	}
		1716
		1717	$match
		1718	}
1105		1719
1106	=back	1720	=back
1107
1108		1721
1109	=head3 cf::map	1722	=head3 cf::map
1110		1723
1111	=over 4	1724	=over 4
1112		1725
…		…
1167	my ($self, $merge) = @_;	1780	my ($self, $merge) = @_;
1168		1781
1169	# we have to keep some variables in memory intact	1782	# we have to keep some variables in memory intact
1170	local $self->{path};	1783	local $self->{path};
1171	local $self->{load_path};	1784	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1785
1175	$self->SUPER::thawer_merge ($merge);	1786	$self->SUPER::thawer_merge ($merge);
1176	}	1787	}
1177		1788
1178	sub normalise {	1789	sub normalise {
1179	my ($path, $base) = @_;	1790	my ($path, $base) = @_;
1180		1791
1181	$path = "$path"; # make sure its a string	1792	$path = "$path"; # make sure its a string
		1793
		1794	$path =~ s/\.map$//;
1182		1795
1183	# map plan:	1796	# map plan:
1184	#	1797	#
1185	# /! non-realised random map exit (special hack!)	1798	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1799	# {... are special paths that are not being touched
…		…
1223	$self->init; # pass $1 etc.	1836	$self->init; # pass $1 etc.
1224	return $self;	1837	return $self;
1225	}	1838	}
1226	}	1839	}
1227		1840
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1841	Carp::cluck "unable to resolve path '$path' (base '$base').";
1229	()	1842	()
1230	}	1843	}
1231		1844
1232	sub init {	1845	sub init {
1233	my ($self) = @_;	1846	my ($self) = @_;
…		…
1248		1861
1249	# the original (read-only) location	1862	# the original (read-only) location
1250	sub load_path {	1863	sub load_path {
1251	my ($self) = @_;	1864	my ($self) = @_;
1252		1865
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1866	"$MAPDIR/$self->{path}.map"
1254	}	1867	}
1255		1868
1256	# the temporary/swap location	1869	# the temporary/swap location
1257	sub save_path {	1870	sub save_path {
1258	my ($self) = @_;	1871	my ($self) = @_;
1259		1872
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1874	"$TMPDIR/$path.map"
1262	}	1875	}
1263		1876
1264	# the unique path, undef == no special unique path	1877	# the unique path, undef == no special unique path
1265	sub uniq_path {	1878	sub uniq_path {
1266	my ($self) = @_;	1879	my ($self) = @_;
1267		1880
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1882	"$UNIQUEDIR/$path"
1270	}	1883	}
1271		1884
1272	# and all this just because we cannot iterate over	1885	# and all this just because we cannot iterate over
1273	# all maps in C++...	1886	# all maps in C++...
1274	sub change_all_map_light {	1887	sub change_all_map_light {
…		…
1276		1889
1277	$_->change_map_light ($change)	1890	$_->change_map_light ($change)
1278	for grep $_->outdoor, values %cf::MAP;	1891	for grep $_->outdoor, values %cf::MAP;
1279	}	1892	}
1280		1893
		1894	sub decay_objects {
		1895	my ($self) = @_;
		1896
		1897	return if $self->{deny_reset};
		1898
		1899	$self->do_decay_objects;
		1900	}
		1901
1281	sub unlink_save {	1902	sub unlink_save {
1282	my ($self) = @_;	1903	my ($self) = @_;
1283		1904
1284	utf8::encode (my $save = $self->save_path);	1905	utf8::encode (my $save = $self->save_path);
1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1906	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1288		1909
1289	sub load_header_from($) {	1910	sub load_header_from($) {
1290	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1291		1912
1292	utf8::encode $path;	1913	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1294	or return;	1915	or return;
1295		1916
1296	$self->_load_header ($path)	1917	$self->_load_header ($f)
1297	or return;	1918	or return;
		1919
		1920	local $MAP_LOADING{$self->{path}} = $self;
		1921	$f->resolve_delayed_derefs;
1298		1922
1299	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1300		1924
1301	1	1925	1
1302	}	1926	}
…		…
1341	$self->load_header_orig	1965	$self->load_header_orig
1342	or return;	1966	or return;
1343	$self->prepare_orig;	1967	$self->prepare_orig;
1344	}	1968	}
1345		1969
		1970	$self->{deny_reset} = 1
		1971	if $self->no_reset;
		1972
		1973	$self->default_region (cf::region::find_by_path $self->{path})
		1974	unless $self->default_region;
		1975
1346	1	1976	1
1347	}	1977	}
1348		1978
1349	sub find;	1979	sub find;
1350	sub find {	1980	sub find {
1351	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1352		1982
1353	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1354		1984
		1985	cf::lock_wait "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	1986	cf::lock_wait "map_find:$path";
1356		1987
1357	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1358	my $guard = cf::lock_acquire "map_find:$path";	1989	my $guard1 = cf::lock_acquire "map_find:$path";
		1990	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1991
1359	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
1360	or return;	1993	or return;
1361		1994
1362	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1363		1996
1364	$map->load_header	1997	$map->load_header
1365	or return;	1998	or return;
1366		1999
1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	2001	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard1;
		2004	undef $guard2;
1370	$map->reset;	2005	$map->reset;
1371	undef $guard;
1372	return find $path;	2006	return find $path;
1373	}	2007	}
1374		2008
1375	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
1376	}	2010	}
…		…
1383	my ($self) = @_;	2017	my ($self) = @_;
1384		2018
1385	local $self->{deny_reset} = 1; # loading can take a long time	2019	local $self->{deny_reset} = 1; # loading can take a long time
1386		2020
1387	my $path = $self->{path};	2021	my $path = $self->{path};
		2022
		2023	{
1388	my $guard = cf::lock_acquire "map_load:$path";	2024	my $guard = cf::lock_acquire "map_data:$path";
1389		2025
		2026	return unless $self->valid;
1390	return if $self->in_memory != cf::MAP_SWAPPED;	2027	return unless $self->in_memory == cf::MAP_SWAPPED;
1391		2028
1392	$self->in_memory (cf::MAP_LOADING);	2029	$self->in_memory (cf::MAP_LOADING);
1393		2030
1394	$self->alloc;	2031	$self->alloc;
1395		2032
1396	$self->pre_load;	2033	$self->pre_load;
		2034	cf::cede_to_tick;
1397		2035
1398	$self->_load_objects ($self->{load_path}, 1)	2036	my $f = new_from_file cf::object::thawer $self->{load_path};
		2037	$f->skip_block;
		2038	$self->_load_objects ($f)
1399	or return;	2039	or return;
1400		2040
1401	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1402	if delete $self->{load_original};	2042	if delete $self->{load_original};
1403		2043
1404	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1405	utf8::encode $uniq;	2045	utf8::encode $uniq;
1406	if (aio_open $uniq, O_RDONLY, 0) {	2046	unless (aio_stat $uniq) {
		2047	if (my $f = new_from_file cf::object::thawer $uniq) {
1407	$self->clear_unique_items;	2048	$self->clear_unique_items;
1408	$self->_load_objects ($uniq, 0);	2049	$self->_load_objects ($f);
		2050	$f->resolve_delayed_derefs;
		2051	}
1409	}	2052	}
1410	}	2053	}
1411		2054
1412	Coro::cede;	2055	$f->resolve_delayed_derefs;
1413		2056
		2057	cf::cede_to_tick;
1414	# now do the right thing for maps	2058	# now do the right thing for maps
1415	$self->link_multipart_objects;	2059	$self->link_multipart_objects;
1416
1417	unless ($self->{deny_activate}) {
1418	$self->decay_objects;
1419	$self->fix_auto_apply;
1420	$self->update_buttons;
1421	Coro::cede;
1422	$self->set_darkness_map;
1423	$self->difficulty ($self->estimate_difficulty)	2060	$self->difficulty ($self->estimate_difficulty)
1424	unless $self->difficulty;	2061	unless $self->difficulty;
1425	Coro::cede;	2062	cf::cede_to_tick;
		2063
		2064	unless ($self->{deny_activate}) {
		2065	$self->decay_objects;
		2066	$self->fix_auto_apply;
		2067	$self->update_buttons;
		2068	cf::cede_to_tick;
		2069	$self->set_darkness_map;
		2070	cf::cede_to_tick;
1426	$self->activate;	2071	$self->activate;
		2072	}
		2073
		2074	$self->{last_save} = $cf::RUNTIME;
		2075	$self->last_access ($cf::RUNTIME);
		2076
		2077	$self->in_memory (cf::MAP_IN_MEMORY);
1427	}	2078	}
1428		2079
1429	$self->post_load;	2080	$self->post_load;
1430
1431	$self->in_memory (cf::MAP_IN_MEMORY);
1432	}	2081	}
1433		2082
1434	sub customise_for {	2083	sub customise_for {
1435	my ($self, $ob) = @_;	2084	my ($self, $ob) = @_;
1436		2085
1437	return find "~" . $ob->name . "/" . $self->{path}	2086	return find "~" . $ob->name . "/" . $self->{path}
1438	if $self->per_player;	2087	if $self->per_player;
1439		2088
		2089	# return find "?party/" . $ob->name . "/" . $self->{path}
		2090	# if $self->per_party;
		2091
1440	$self	2092	$self
1441	}	2093	}
1442		2094
1443	# find and load all maps in the 3x3 area around a map	2095	# find and load all maps in the 3x3 area around a map
1444	sub load_diag {	2096	sub load_neighbours {
1445	my ($map) = @_;	2097	my ($map) = @_;
1446		2098
1447	my @diag; # diagonal neighbours	2099	my @neigh; # diagonal neighbours
1448		2100
1449	for (0 .. 3) {	2101	for (0 .. 3) {
1450	my $neigh = $map->tile_path ($_)	2102	my $neigh = $map->tile_path ($_)
1451	or next;	2103	or next;
1452	$neigh = find $neigh, $map	2104	$neigh = find $neigh, $map
1453	or next;	2105	or next;
1454	$neigh->load;	2106	$neigh->load;
1455		2107
		2108	push @neigh,
1456	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1457	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1458	}	2111	}
1459		2112
1460	for (@diag) {	2113	for (grep defined $_->[0], @neigh) {
		2114	my ($path, $origin) = @$_;
1461	my $neigh = find @$_	2115	my $neigh = find $path, $origin
1462	or next;	2116	or next;
1463	$neigh->load;	2117	$neigh->load;
1464	}	2118	}
1465	}	2119	}
1466		2120
…		…
1471	}	2125	}
1472		2126
1473	sub do_load_sync {	2127	sub do_load_sync {
1474	my ($map) = @_;	2128	my ($map) = @_;
1475		2129
		2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2131	if $Coro::current == $Coro::main;
		2132
1476	cf::sync_job { $map->load };	2133	cf::sync_job { $map->load };
1477	}	2134	}
1478		2135
1479	our %MAP_PREFETCH;	2136	our %MAP_PREFETCH;
1480	our $MAP_PREFETCHER = undef;	2137	our $MAP_PREFETCHER = undef;
1481		2138
1482	sub find_async {	2139	sub find_async {
1483	my ($path, $origin) = @_;	2140	my ($path, $origin, $load) = @_;
1484		2141
1485	$path = normalise $path, $origin && $origin->{path};	2142	$path = normalise $path, $origin && $origin->{path};
1486		2143
1487	if (my $map = $cf::MAP{$path}) {	2144	if (my $map = $cf::MAP{$path}) {
1488	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2145	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1489	}	2146	}
1490		2147
1491	undef $MAP_PREFETCH{$path};	2148	$MAP_PREFETCH{$path} |= $load;
		2149
1492	$MAP_PREFETCHER ||= cf::async {	2150	$MAP_PREFETCHER ||= cf::async {
		2151	$Coro::current->{desc} = "map prefetcher";
		2152
1493	while (%MAP_PREFETCH) {	2153	while (%MAP_PREFETCH) {
1494	for my $path (keys %MAP_PREFETCH) {	2154	while (my ($k, $v) = each %MAP_PREFETCH) {
1495	my $map = find $path	2155	if (my $map = find $k) {
1496	or next;
1497	$map->load;	2156	$map->load if $v;
		2157	}
1498		2158
1499	delete $MAP_PREFETCH{$path};	2159	delete $MAP_PREFETCH{$k};
1500	}	2160	}
1501	}	2161	}
1502	undef $MAP_PREFETCHER;	2162	undef $MAP_PREFETCHER;
1503	};	2163	};
1504	$MAP_PREFETCHER->prio (6);	2164	$MAP_PREFETCHER->prio (6);
…		…
1507	}	2167	}
1508		2168
1509	sub save {	2169	sub save {
1510	my ($self) = @_;	2170	my ($self) = @_;
1511		2171
1512	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1513		2173
1514	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1515		2175
1516	return unless $self->dirty;	2176	return unless $self->dirty;
1517		2177
…		…
1523	return if $self->{deny_save};	2183	return if $self->{deny_save};
1524		2184
1525	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
1526		2186
1527	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
1528	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
1529	};	2190	};
1530		2191
1531	if ($uniq) {	2192	if ($uniq) {
1532	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1540	my ($self) = @_;	2201	my ($self) = @_;
1541		2202
1542	# save first because save cedes	2203	# save first because save cedes
1543	$self->save;	2204	$self->save;
1544		2205
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		2207
1547	return if $self->players;	2208	return if $self->players;
1548	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_IN_MEMORY;
1549	return if $self->{deny_save};	2210	return if $self->{deny_save};
1550		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	$self->deactivate;
		2215	$_->clear_links_to ($self) for values %cf::MAP;
1551	$self->clear;	2216	$self->clear;
1552	$self->in_memory (cf::MAP_SWAPPED);
1553	}	2217	}
1554		2218
1555	sub reset_at {	2219	sub reset_at {
1556	my ($self) = @_;	2220	my ($self) = @_;
1557		2221
1558	# TODO: safety, remove and allow resettable per-player maps	2222	# TODO: safety, remove and allow resettable per-player maps
1559	return 1e99 if $self->isa ("ext::map_per_player");#d#
1560	return 1e99 if $self->{deny_reset};	2223	return 1e99 if $self->{deny_reset};
1561		2224
1562	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2225	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1563	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2226	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1564		2227
…		…
1575	my ($self) = @_;	2238	my ($self) = @_;
1576		2239
1577	my $lock = cf::lock_acquire "map_data:$self->{path}";	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2241
1579	return if $self->players;	2242	return if $self->players;
1580	return if $self->isa ("ext::map_per_player");#d#
1581		2243
1582	warn "resetting map ", $self->path;#d#	2244	warn "resetting map ", $self->path;
		2245
		2246	$self->in_memory (cf::MAP_SWAPPED);
		2247
		2248	# need to save uniques path
		2249	unless ($self->{deny_save}) {
		2250	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2251
		2252	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2253	if $uniq;
		2254	}
1583		2255
1584	delete $cf::MAP{$self->path};	2256	delete $cf::MAP{$self->path};
1585		2257
1586	$self->in_memory (cf::MAP_SWAPPED);	2258	$self->deactivate;
		2259	$_->clear_links_to ($self) for values %cf::MAP;
1587	$self->clear;	2260	$self->clear;
1588
1589	$_->clear_links_to ($self) for values %cf::MAP;
1590		2261
1591	$self->unlink_save;	2262	$self->unlink_save;
1592	$self->destroy;	2263	$self->destroy;
1593	}	2264	}
1594		2265
1595	my $nuke_counter = "aaaa";	2266	my $nuke_counter = "aaaa";
1596		2267
1597	sub nuke {	2268	sub nuke {
1598	my ($self) = @_;	2269	my ($self) = @_;
1599		2270
		2271	{
		2272	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2273
1600	delete $cf::MAP{$self->path};	2274	delete $cf::MAP{$self->path};
1601		2275
1602	$self->unlink_save;	2276	$self->unlink_save;
1603		2277
1604	bless $self, "cf::map";	2278	bless $self, "cf::map";
1605	delete $self->{deny_reset};	2279	delete $self->{deny_reset};
1606	$self->{deny_save} = 1;	2280	$self->{deny_save} = 1;
1607	$self->reset_timeout (1);	2281	$self->reset_timeout (1);
1608	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1609		2283
1610	$cf::MAP{$self->path} = $self;	2284	$cf::MAP{$self->path} = $self;
		2285	}
1611		2286
1612	$self->reset; # polite request, might not happen	2287	$self->reset; # polite request, might not happen
		2288	}
		2289
		2290	=item $maps = cf::map::tmp_maps
		2291
		2292	Returns an arrayref with all map paths of currently instantiated and saved
		2293	maps. May block.
		2294
		2295	=cut
		2296
		2297	sub tmp_maps() {
		2298	[
		2299	map {
		2300	utf8::decode $_;
		2301	/\.map$/
		2302	? normalise $_
		2303	: ()
		2304	} @{ aio_readdir $TMPDIR or [] }
		2305	]
		2306	}
		2307
		2308	=item $maps = cf::map::random_maps
		2309
		2310	Returns an arrayref with all map paths of currently instantiated and saved
		2311	random maps. May block.
		2312
		2313	=cut
		2314
		2315	sub random_maps() {
		2316	[
		2317	map {
		2318	utf8::decode $_;
		2319	/\.map$/
		2320	? normalise "?random/$_"
		2321	: ()
		2322	} @{ aio_readdir $RANDOMDIR or [] }
		2323	]
1613	}	2324	}
1614		2325
1615	=item cf::map::unique_maps	2326	=item cf::map::unique_maps
1616		2327
1617	Returns an arrayref of paths of all shared maps that have	2328	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2329	instantiated unique items. May block.
1619		2330
1620	=cut	2331	=cut
1621		2332
1622	sub unique_maps() {	2333	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2334	[
1624	or return;	2335	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2336	utf8::decode $_;
1630	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;
1632
1633	s/\.map$//;	2337	/\.map$/
1634	push @paths, $_;	2338	? normalise $_
		2339	: ()
		2340	} @{ aio_readdir $UNIQUEDIR or [] }
1635	}	2341	]
1636
1637	\@paths
1638	}	2342	}
1639		2343
1640	package cf;	2344	package cf;
1641		2345
1642	=back	2346	=back
…		…
1660	map { $_, inv_recursive_ $_->inv } @_	2364	map { $_, inv_recursive_ $_->inv } @_
1661	}	2365	}
1662		2366
1663	sub inv_recursive {	2367	sub inv_recursive {
1664	inv_recursive_ inv $_[0]	2368	inv_recursive_ inv $_[0]
		2369	}
		2370
		2371	=item $ref = $ob->ref
		2372
		2373	creates and returns a persistent reference to an objetc that can be stored as a string.
		2374
		2375	=item $ob = cf::object::deref ($refstring)
		2376
		2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2378	even if the object actually exists. May block.
		2379
		2380	=cut
		2381
		2382	sub deref {
		2383	my ($ref) = @_;
		2384
		2385	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2386	my ($uuid, $name) = ($1, $2);
		2387	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2388	or return;
		2389	$pl->ob->uuid eq $uuid
		2390	or return;
		2391
		2392	$pl->ob
		2393	} else {
		2394	warn "$ref: cannot resolve object reference\n";
		2395	undef
		2396	}
1665	}	2397	}
1666		2398
1667	package cf;	2399	package cf;
1668		2400
1669	=back	2401	=back
…		…
1688		2420
1689	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2421	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1690		2422
1691	if ($self->{record_replies}) {	2423	if ($self->{record_replies}) {
1692	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2424	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2425
1693	} else {	2426	} else {
		2427	my $pl = $self->contr;
		2428
		2429	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2430	my $dialog = $pl->{npc_dialog};
		2431	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2432
		2433	} else {
1694	$msg = $npc->name . " says: $msg" if $npc;	2434	$msg = $npc->name . " says: $msg" if $npc;
1695	$self->message ($msg, $flags);	2435	$self->message ($msg, $flags);
		2436	}
1696	}	2437	}
		2438	}
		2439
		2440	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2441
		2442	=cut
		2443
		2444	sub cf::object::send_msg {
		2445	my $pl = shift->contr
		2446	or return;
		2447	$pl->send_msg (@_);
1697	}	2448	}
1698		2449
1699	=item $player_object->may ("access")	2450	=item $player_object->may ("access")
1700		2451
1701	Returns wether the given player is authorized to access resource "access"	2452	Returns wether the given player is authorized to access resource "access"
…		…
1748	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1749		2500
1750	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1751		2502
1752	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1753	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1754		2505
1755	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1756	}	2507	}
1757		2508
1758	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1759	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1760		2513
1761	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1762		2515
1763	unless ($map) {	2516	unless ($map) {
1764	# restore original map position	2517	# restore original map position
…		…
1778	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1779	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1780	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1781		2534
1782	$map->load;	2535	$map->load;
1783	$map->load_diag;	2536	$map->load_neighbours;
1784		2537
1785	return unless $self->contr->active;	2538	return unless $self->contr->active;
1786	$self->activate_recursive;	2539	$self->activate_recursive;
		2540
		2541	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1787	$self->enter_map ($map, $x, $y);	2542	$self->enter_map ($map, $x, $y);
1788	}	2543	}
1789		2544
1790	cf::player->attach (	2545	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1791	on_logout => sub {
1792	my ($pl) = @_;
1793		2546
1794	# abort map switching before logout	2547	Moves the player to the given map-path and coordinates by first freezing
1795	if ($pl->ob->{_link_pos}) {	2548	her, loading and preparing them map, calling the provided $check callback
1796	cf::sync_job {	2549	that has to return the map if sucecssful, and then unfreezes the player on
1797	$pl->ob->leave_link	2550	the new (success) or old (failed) map position. In either case, $done will
1798	};	2551	be called at the end of this process.
1799	}
1800	},
1801	on_login => sub {
1802	my ($pl) = @_;
1803		2552
1804	# try to abort aborted map switching on player login :)
1805	# should happen only on crashes
1806	if ($pl->ob->{_link_pos}) {
1807	$pl->ob->enter_link;
1808	(async {
1809	# we need this sleep as the login has a concurrent enter_exit running
1810	# and this sleep increases chances of the player not ending up in scorn
1811	$pl->ob->reply (undef,
1812	"There was an internal problem at your last logout, "
1813	. "the server will try to bring you to your intended destination in a second.",
1814	cf::NDI_RED);
1815	Coro::Timer::sleep 1;
1816	$pl->ob->leave_link;
1817	})->prio (2);
1818	}
1819	},
1820	);
1821
1822	=item $player_object->goto ($path, $x, $y)
1823
1824	=cut	2553	=cut
		2554
		2555	our $GOTOGEN;
1825		2556
1826	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1827	my ($self, $path, $x, $y) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
		2559
		2560	# do generation counting so two concurrent goto's will be executed in-order
		2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1828		2562
1829	$self->enter_link;	2563	$self->enter_link;
1830		2564
1831	(async {	2565	(async {
		2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
1832	my $map = eval {	2587	my $map = eval {
1833	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
		2589
		2590	if ($map) {
1834	$map = $map->customise_for ($self) if $map;	2591	$map = $map->customise_for ($self);
		2592	$map = $check->($map) if $check && $map;
		2593	} else {
		2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	}
		2596
1835	$map	2597	$map
		2598	};
		2599
		2600	if ($@) {
		2601	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2602	LOG llevError | logBacktrace, Carp::longmess $@;
1836	} or	2603	}
1837	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1838		2604
		2605	if ($gen == $self->{_goto_generation}) {
		2606	delete $self->{_goto_generation};
1839	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
		2608	}
		2609
		2610	$done->() if $done;
1840	})->prio (1);	2611	})->prio (1);
1841	}	2612	}
1842		2613
1843	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1844		2615
…		…
1881	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
1882	}	2653	}
1883		2654
1884	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
1885		2656
1886	my $data = cf::to_json $rmp;	2657	my $data = cf::encode_json $rmp;
1887	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
1888	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
1889		2660
1890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1891	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
1892	undef $fh;	2663	undef $fh;
1893	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
…		…
1902		2673
1903	return unless $self->type == cf::PLAYER;	2674	return unless $self->type == cf::PLAYER;
1904		2675
1905	if ($exit->slaying eq "/!") {	2676	if ($exit->slaying eq "/!") {
1906	#TODO: this should de-fi-ni-te-ly not be a sync-job	2677	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2678	# the problem is that $exit might not survive long enough
		2679	# so it needs to be done right now, right here
1907	cf::sync_job { prepare_random_map $exit };	2680	cf::sync_job { prepare_random_map $exit };
1908	}	2681	}
1909		2682
1910	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2683	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1911	my $hp = $exit->stats->hp;	2684	my $hp = $exit->stats->hp;
1912	my $sp = $exit->stats->sp;	2685	my $sp = $exit->stats->sp;
1913		2686
1914	$self->enter_link;	2687	$self->enter_link;
1915		2688
		2689	# if exit is damned, update players death & WoR home-position
		2690	$self->contr->savebed ($slaying, $hp, $sp)
		2691	if $exit->flag (FLAG_DAMNED);
		2692
1916	(async {	2693	(async {
		2694	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2695
1917	$self->deactivate_recursive; # just to be sure	2696	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2697	unless (eval {
1919	$self->goto ($slaying, $hp, $sp);	2698	$self->goto ($slaying, $hp, $sp);
1920		2699
1921	1;	2700	1;
1922	}) {	2701	}) {
1923	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the crossfire server. "
1924	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
1925	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
1926	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
1927		2706
1928	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
1929	$self->leave_link;	2708	$self->leave_link;
1930	}	2709	}
1931	})->prio (1);	2710	})->prio (1);
…		…
1944		2723
1945	sub cf::client::send_drawinfo {	2724	sub cf::client::send_drawinfo {
1946	my ($self, $text, $flags) = @_;	2725	my ($self, $text, $flags) = @_;
1947		2726
1948	utf8::encode $text;	2727	utf8::encode $text;
1949	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1950	}	2729	}
1951		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/uptime" => {
		2779	id => "infobox",
		2780	title => "Uptime",
		2781	reply => undef,
		2782	tooltip => "How long the server has been running since last restart",
		2783	},
		2784	"c/mapinfo" => {
		2785	id => "infobox",
		2786	title => "Map Info",
		2787	reply => undef,
		2788	tooltip => "Information related to the maps",
		2789	},
		2790	);
		2791
		2792	sub cf::client::send_msg {
		2793	my ($self, $channel, $msg, $color, @extra) = @_;
		2794
		2795	$msg = $self->pl->expand_cfpod ($msg);
		2796
		2797	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2798
		2799	# check predefined channels, for the benefit of C
		2800	if ($CHANNEL{$channel}) {
		2801	$channel = $CHANNEL{$channel};
		2802
		2803	$self->ext_msg (channel_info => $channel)
		2804	if $self->can_msg;
		2805
		2806	$channel = $channel->{id};
		2807
		2808	} elsif (ref $channel) {
		2809	# send meta info to client, if not yet sent
		2810	unless (exists $self->{channel}{$channel->{id}}) {
		2811	$self->{channel}{$channel->{id}} = $channel;
		2812	$self->ext_msg (channel_info => $channel)
		2813	if $self->can_msg;
		2814	}
		2815
		2816	$channel = $channel->{id};
		2817	}
		2818
		2819	return unless @extra || length $msg;
		2820
		2821	if ($self->can_msg) {
		2822	# default colour, mask it out
		2823	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2824	if $color & cf::NDI_DEF;
		2825
		2826	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2827	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2828	} else {
		2829	if ($color >= 0) {
		2830	# replace some tags by gcfclient-compatible ones
		2831	for ($msg) {
		2832	1 while
		2833	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2834	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2835	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2836	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2837	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2838	}
		2839
		2840	$color &= cf::NDI_COLOR_MASK;
		2841
		2842	utf8::encode $msg;
		2843
		2844	if (0 && $msg =~ /\[/) {
		2845	# COMMAND/INFO
		2846	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2847	} else {
		2848	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2849	$self->send_packet ("drawinfo $color $msg")
		2850	}
		2851	}
		2852	}
		2853	}
		2854
		2855	=item $client->ext_msg ($type, @msg)
		2856
		2857	Sends an ext event to the client.
		2858
		2859	=cut
		2860
		2861	sub cf::client::ext_msg($$@) {
		2862	my ($self, $type, @msg) = @_;
		2863
		2864	if ($self->extcmd == 2) {
		2865	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2866	} elsif ($self->extcmd == 1) { # TODO: remove
		2867	push @msg, msgtype => "event_$type";
		2868	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2869	}
		2870	}
		2871
		2872	=item $client->ext_reply ($msgid, @msg)
		2873
		2874	Sends an ext reply to the client.
		2875
		2876	=cut
		2877
		2878	sub cf::client::ext_reply($$@) {
		2879	my ($self, $id, @msg) = @_;
		2880
		2881	if ($self->extcmd == 2) {
		2882	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2883	} elsif ($self->extcmd == 1) {
		2884	#TODO: version 1, remove
		2885	unshift @msg, msgtype => "reply", msgid => $id;
		2886	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2887	}
		2888	}
1952		2889
1953	=item $success = $client->query ($flags, "text", \&cb)	2890	=item $success = $client->query ($flags, "text", \&cb)
1954		2891
1955	Queues a query to the client, calling the given callback with	2892	Queues a query to the client, calling the given callback with
1956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2893	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2894	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1958		2895
1959	Queries can fail, so check the return code. Or don't, as queries will become	2896	Queries can fail, so check the return code. Or don't, as queries will
1960	reliable at some point in the future.	2897	become reliable at some point in the future.
1961		2898
1962	=cut	2899	=cut
1963		2900
1964	sub cf::client::query {	2901	sub cf::client::query {
1965	my ($self, $flags, $text, $cb) = @_;	2902	my ($self, $flags, $text, $cb) = @_;
…		…
1973	utf8::encode $text;	2910	utf8::encode $text;
1974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2911	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1975		2912
1976	$self->send_packet ($self->{query_queue}[0][0])	2913	$self->send_packet ($self->{query_queue}[0][0])
1977	if @{ $self->{query_queue} } == 1;	2914	if @{ $self->{query_queue} } == 1;
		2915
		2916	1
1978	}	2917	}
1979		2918
1980	cf::client->attach (	2919	cf::client->attach (
		2920	on_connect => sub {
		2921	my ($ns) = @_;
		2922
		2923	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2924	},
1981	on_reply => sub {	2925	on_reply => sub {
1982	my ($ns, $msg) = @_;	2926	my ($ns, $msg) = @_;
1983		2927
1984	# this weird shuffling is so that direct followup queries	2928	# this weird shuffling is so that direct followup queries
1985	# get handled first	2929	# get handled first
1986	my $queue = delete $ns->{query_queue}	2930	my $queue = delete $ns->{query_queue}
1987	or return; # be conservative, not sure how that can happen, but we saw a crash here	2931	or return; # be conservative, not sure how that can happen, but we saw a crash here
1988		2932
1989	(shift @$queue)->[1]->($msg);	2933	(shift @$queue)->[1]->($msg);
		2934	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1990		2935
1991	push @{ $ns->{query_queue} }, @$queue;	2936	push @{ $ns->{query_queue} }, @$queue;
1992		2937
1993	if (@{ $ns->{query_queue} } == @$queue) {	2938	if (@{ $ns->{query_queue} } == @$queue) {
1994	if (@$queue) {	2939	if (@$queue) {
…		…
1996	} else {	2941	} else {
1997	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2942	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1998	}	2943	}
1999	}	2944	}
2000	},	2945	},
		2946	on_exticmd => sub {
		2947	my ($ns, $buf) = @_;
		2948
		2949	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2950
		2951	if (ref $msg) {
		2952	my ($type, $reply, @payload) =
		2953	"ARRAY" eq ref $msg
		2954	? @$msg
		2955	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2956
		2957	my @reply;
		2958
		2959	if (my $cb = $EXTICMD{$type}) {
		2960	@reply = $cb->($ns, @payload);
		2961	}
		2962
		2963	$ns->ext_reply ($reply, @reply)
		2964	if $reply;
		2965
		2966	} else {
		2967	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2968	}
		2969
		2970	cf::override;
		2971	},
2001	);	2972	);
2002		2973
2003	=item $client->async (\&cb)	2974	=item $client->async (\&cb)
2004		2975
2005	Create a new coroutine, running the specified callback. The coroutine will	2976	Create a new coroutine, running the specified callback. The coroutine will
…		…
2046	our $safe = new Safe "safe";	3017	our $safe = new Safe "safe";
2047	our $safe_hole = new Safe::Hole;	3018	our $safe_hole = new Safe::Hole;
2048		3019
2049	$SIG{FPE} = 'IGNORE';	3020	$SIG{FPE} = 'IGNORE';
2050		3021
2051	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3022	$safe->permit_only (Opcode::opset qw(
		3023	:base_core :base_mem :base_orig :base_math
		3024	grepstart grepwhile mapstart mapwhile
		3025	sort time
		3026	));
2052		3027
2053	# here we export the classes and methods available to script code	3028	# here we export the classes and methods available to script code
2054		3029
2055	=pod	3030	=pod
2056		3031
2057	The following fucntions and emthods are available within a safe environment:	3032	The following functions and methods are available within a safe environment:
2058		3033
2059	cf::object contr pay_amount pay_player map	3034	cf::object
		3035	contr pay_amount pay_player map x y force_find force_add destroy
		3036	insert remove name archname title slaying race decrease_ob_nr
		3037
2060	cf::object::player player	3038	cf::object::player
2061	cf::player peaceful	3039	player
2062	cf::map trigger	3040
		3041	cf::player
		3042	peaceful
		3043
		3044	cf::map
		3045	trigger
2063		3046
2064	=cut	3047	=cut
2065		3048
2066	for (	3049	for (
2067	["cf::object" => qw(contr pay_amount pay_player map)],	3050	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3051	insert remove inv name archname title slaying race
		3052	decrease_ob_nr destroy)],
2068	["cf::object::player" => qw(player)],	3053	["cf::object::player" => qw(player)],
2069	["cf::player" => qw(peaceful)],	3054	["cf::player" => qw(peaceful)],
2070	["cf::map" => qw(trigger)],	3055	["cf::map" => qw(trigger)],
2071	) {	3056	) {
2072	no strict 'refs';	3057	no strict 'refs';
…		…
2143	=back	3128	=back
2144		3129
2145	=cut	3130	=cut
2146		3131
2147	#############################################################################	3132	#############################################################################
		3133	# the server's init and main functions
2148		3134
2149	=head2 EXTENSION DATABASE SUPPORT	3135	sub load_facedata($) {
		3136	my ($path) = @_;
2150		3137
2151	Crossfire maintains a very simple database for extension use. It can	3138	# HACK to clear player env face cache, we need some signal framework
2152	currently store anything that can be serialised using Storable, which	3139	# for this (global event?)
2153	excludes objects.	3140	%ext::player_env::MUSIC_FACE_CACHE = ();
2154		3141
2155	The parameter C<$family> should best start with the name of the extension	3142	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2156	using it, it should be unique.
2157		3143
2158	=over 4	3144	warn "loading facedata from $path\n";
2159		3145
2160	=item $hashref = cf::db_get $family	3146	my $facedata;
		3147	0 < aio_load $path, $facedata
		3148	or die "$path: $!";
2161		3149
2162	Return a hashref for use by the extension C<$family>, which can be	3150	$facedata = Coro::Storable::thaw $facedata;
2163	modified. After modifications, you have to call C<cf::db_dirty> or
2164	C<cf::db_sync>.
2165		3151
2166	=item $value = cf::db_get $family => $key	3152	$facedata->{version} == 2
		3153	or cf::cleanup "$path: version mismatch, cannot proceed.";
2167		3154
2168	Returns a single value from the database	3155	# patch in the exptable
2169		3156	$facedata->{resource}{"res/exp_table"} = {
2170	=item cf::db_put $family => $hashref	3157	type => FT_RSRC,
2171		3158	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2172	Stores the given family hashref into the database. Updates are delayed, if
2173	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2174
2175	=item cf::db_put $family => $key => $value
2176
2177	Stores the given C<$value> in the family hash. Updates are delayed, if you
2178	want the data to be synced to disk immediately, use C<cf::db_sync>.
2179
2180	=item cf::db_dirty
2181
2182	Marks the database as dirty, to be updated at a later time.
2183
2184	=item cf::db_sync
2185
2186	Immediately write the database to disk I<if it is dirty>.
2187
2188	=cut
2189
2190	our $DB;
2191
2192	{
2193	my $path = cf::localdir . "/database.pst";
2194
2195	sub db_load() {
2196	$DB = stat $path ? Storable::retrieve $path : { };
2197	}	3159	};
		3160	cf::cede_to_tick;
2198		3161
2199	my $pid;
2200
2201	sub db_save() {
2202	waitpid $pid, 0 if $pid;
2203	if (0 == ($pid = fork)) {
2204	$DB->{_meta}{version} = 1;
2205	Storable::nstore $DB, "$path~";
2206	rename "$path~", $path;
2207	cf::_exit 0 if defined $pid;
2208	}
2209	}	3162	{
		3163	my $faces = $facedata->{faceinfo};
2210		3164
2211	my $dirty;	3165	while (my ($face, $info) = each %$faces) {
		3166	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2212		3167
2213	sub db_sync() {	3168	cf::face::set_visibility $idx, $info->{visibility};
2214	db_save if $dirty;	3169	cf::face::set_magicmap $idx, $info->{magicmap};
2215	undef $dirty;	3170	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2216	}	3171	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2217		3172
2218	my $idle = Event->idle (	3173	cf::cede_to_tick;
2219	reentrant => 0,
2220	min => 10,
2221	max => 20,
2222	repeat => 0,
2223	data => WF_AUTOCANCEL,
2224	cb => \&db_sync,
2225	);
2226
2227	sub db_dirty() {
2228	$dirty = 1;
2229	$idle->start;
2230	}
2231
2232	sub db_get($;$) {
2233	@_ >= 2
2234	? $DB->{$_[0]}{$_[1]}
2235	: ($DB->{$_[0]} ||= { })
2236	}
2237
2238	sub db_put($$;$) {
2239	if (@_ >= 3) {
2240	$DB->{$_[0]}{$_[1]} = $_[2];
2241	} else {
2242	$DB->{$_[0]} = $_[1];
2243	}
2244	db_dirty;
2245	}
2246
2247	cf::global->attach (
2248	prio => 10000,
2249	on_cleanup => sub {
2250	db_sync;
2251	},	3174	}
2252	);
2253	}
2254		3175
2255	#############################################################################	3176	while (my ($face, $info) = each %$faces) {
2256	# the server's main()	3177	next unless $info->{smooth};
2257		3178
2258	sub cfg_load {	3179	my $idx = cf::face::find $face
		3180	or next;
		3181
		3182	if (my $smooth = cf::face::find $info->{smooth}) {
		3183	cf::face::set_smooth $idx, $smooth;
		3184	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3185	} else {
		3186	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3187	}
		3188
		3189	cf::cede_to_tick;
		3190	}
		3191	}
		3192
		3193	{
		3194	my $anims = $facedata->{animinfo};
		3195
		3196	while (my ($anim, $info) = each %$anims) {
		3197	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3198	cf::cede_to_tick;
		3199	}
		3200
		3201	cf::anim::invalidate_all; # d'oh
		3202	}
		3203
		3204	{
		3205	# TODO: for gcfclient pleasure, we should give resources
		3206	# that gcfclient doesn't grok a >10000 face index.
		3207	my $res = $facedata->{resource};
		3208
		3209	while (my ($name, $info) = each %$res) {
		3210	if (defined $info->{type}) {
		3211	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3212	my $data;
		3213
		3214	if ($info->{type} & 1) {
		3215	# prepend meta info
		3216
		3217	my $meta = $enc->encode ({
		3218	name => $name,
		3219	%{ $info->{meta} || {} },
		3220	});
		3221
		3222	$data = pack "(w/a*)*", $meta, $info->{data};
		3223	} else {
		3224	$data = $info->{data};
		3225	}
		3226
		3227	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3228	cf::face::set_type $idx, $info->{type};
		3229	} else {
		3230	$RESOURCE{$name} = $info;
		3231	}
		3232
		3233	cf::cede_to_tick;
		3234	}
		3235	}
		3236
		3237	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3238
		3239	1
		3240	}
		3241
		3242	cf::global->attach (on_resource_update => sub {
		3243	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3244	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3245
		3246	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3247	my $sound = $soundconf->{compat}[$_]
		3248	or next;
		3249
		3250	my $face = cf::face::find "sound/$sound->[1]";
		3251	cf::sound::set $sound->[0] => $face;
		3252	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3253	}
		3254
		3255	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3256	my $face = cf::face::find "sound/$v";
		3257	cf::sound::set $k => $face;
		3258	}
		3259	}
		3260	});
		3261
		3262	register_exticmd fx_want => sub {
		3263	my ($ns, $want) = @_;
		3264
		3265	while (my ($k, $v) = each %$want) {
		3266	$ns->fx_want ($k, $v);
		3267	}
		3268	};
		3269
		3270	sub reload_regions {
		3271	# HACK to clear player env face cache, we need some signal framework
		3272	# for this (global event?)
		3273	%ext::player_env::MUSIC_FACE_CACHE = ();
		3274
		3275	load_resource_file "$MAPDIR/regions"
		3276	or die "unable to load regions file\n";
		3277
		3278	for (cf::region::list) {
		3279	$_->{match} = qr/$_->{match}/
		3280	if exists $_->{match};
		3281	}
		3282	}
		3283
		3284	sub reload_facedata {
		3285	load_facedata "$DATADIR/facedata"
		3286	or die "unable to load facedata\n";
		3287	}
		3288
		3289	sub reload_archetypes {
		3290	load_resource_file "$DATADIR/archetypes"
		3291	or die "unable to load archetypes\n";
		3292	#d# NEED to laod twice to resolve forward references
		3293	# this really needs to be done in an extra post-pass
		3294	# (which needs to be synchronous, so solve it differently)
		3295	load_resource_file "$DATADIR/archetypes"
		3296	or die "unable to load archetypes\n";
		3297	}
		3298
		3299	sub reload_treasures {
		3300	load_resource_file "$DATADIR/treasures"
		3301	or die "unable to load treasurelists\n";
		3302	}
		3303
		3304	sub reload_resources {
		3305	warn "reloading resource files...\n";
		3306
		3307	reload_regions;
		3308	reload_facedata;
		3309	#reload_archetypes;#d#
		3310	reload_archetypes;
		3311	reload_treasures;
		3312
		3313	warn "finished reloading resource files\n";
		3314	}
		3315
		3316	sub init {
		3317	reload_resources;
		3318	}
		3319
		3320	sub reload_config {
2259	open my $fh, "<:utf8", cf::confdir . "/config"	3321	open my $fh, "<:utf8", "$CONFDIR/config"
2260	or return;	3322	or return;
2261		3323
2262	local $/;	3324	local $/;
2263	*CFG = YAML::Syck::Load <$fh>;	3325	*CFG = YAML::Load <$fh>;
2264		3326
2265	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3327	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2266		3328
2267	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3329	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2268	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3330	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2279	sub main {	3341	sub main {
2280	# we must not ever block the main coroutine	3342	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	3343	local $Coro::idle = sub {
2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3344	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283	(async {	3345	(async {
2284	Event::one_event;	3346	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3347	EV::loop EV::LOOP_ONESHOT;
2285	})->prio (Coro::PRIO_MAX);	3348	})->prio (Coro::PRIO_MAX);
2286	};	3349	};
2287		3350
2288	cfg_load;	3351	reload_config;
2289	db_load;	3352	db_init;
2290	load_extensions;	3353	load_extensions;
2291		3354
2292	$TICK_WATCHER->start;	3355	$TICK_WATCHER->start;
		3356	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2293	Event::loop;	3357	EV::loop;
2294	}	3358	}
2295		3359
2296	#############################################################################	3360	#############################################################################
2297	# initialisation and cleanup	3361	# initialisation and cleanup
2298		3362
2299	# install some emergency cleanup handlers	3363	# install some emergency cleanup handlers
2300	BEGIN {	3364	BEGIN {
		3365	our %SIGWATCHER = ();
2301	for my $signal (qw(INT HUP TERM)) {	3366	for my $signal (qw(INT HUP TERM)) {
2302	Event->signal (	3367	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2303	reentrant => 0,
2304	data => WF_AUTOCANCEL,
2305	signal => $signal,
2306	prio => 0,
2307	cb => sub {
2308	cf::cleanup "SIG$signal";	3368	cf::cleanup "SIG$signal";
2309	},
2310	);	3369	};
		3370	}
		3371	}
		3372
		3373	sub write_runtime {
		3374	my $runtime = "$LOCALDIR/runtime";
		3375
		3376	# first touch the runtime file to show we are still running:
		3377	# the fsync below can take a very very long time.
		3378
		3379	IO::AIO::aio_utime $runtime, undef, undef;
		3380
		3381	my $guard = cf::lock_acquire "write_runtime";
		3382
		3383	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3384	or return;
		3385
		3386	my $value = $cf::RUNTIME + 90 + 10;
		3387	# 10 is the runtime save interval, for a monotonic clock
		3388	# 60 allows for the watchdog to kill the server.
		3389
		3390	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3391	and return;
		3392
		3393	# always fsync - this file is important
		3394	aio_fsync $fh
		3395	and return;
		3396
		3397	# touch it again to show we are up-to-date
		3398	aio_utime $fh, undef, undef;
		3399
		3400	close $fh
		3401	or return;
		3402
		3403	aio_rename "$runtime~", $runtime
		3404	and return;
		3405
		3406	warn "runtime file written.\n";
		3407
2311	}	3408	1
2312	}	3409	}
2313		3410
2314	sub emergency_save() {	3411	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3412	my $freeze_guard = cf::freeze_mainloop;
2316		3413
…		…
2322	# and maps saved/destroyed asynchronously.	3419	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3420	warn "begin emergency player save\n";
2324	for my $login (keys %cf::PLAYER) {	3421	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3422	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3423	$pl->valid or next;
		3424	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3425	$pl->save;
2328	}	3426	}
2329	warn "end emergency player save\n";	3427	warn "end emergency player save\n";
2330		3428
2331	warn "begin emergency map save\n";	3429	warn "begin emergency map save\n";
…		…
2333	my $map = $cf::MAP{$path} or next;	3431	my $map = $cf::MAP{$path} or next;
2334	$map->valid or next;	3432	$map->valid or next;
2335	$map->save;	3433	$map->save;
2336	}	3434	}
2337	warn "end emergency map save\n";	3435	warn "end emergency map save\n";
		3436
		3437	warn "begin emergency database checkpoint\n";
		3438	BDB::db_env_txn_checkpoint $DB_ENV;
		3439	warn "end emergency database checkpoint\n";
2338	};	3440	};
2339		3441
2340	warn "leave emergency perl save\n";	3442	warn "leave emergency perl save\n";
2341	}	3443	}
2342		3444
		3445	sub post_cleanup {
		3446	my ($make_core) = @_;
		3447
		3448	warn Carp::longmess "post_cleanup backtrace"
		3449	if $make_core;
		3450	}
		3451
2343	sub reload() {	3452	sub do_reload_perl() {
2344	# can/must only be called in main	3453	# can/must only be called in main
2345	if ($Coro::current != $Coro::main) {	3454	if ($Coro::current != $Coro::main) {
2346	warn "can only reload from main coroutine";	3455	warn "can only reload from main coroutine";
2347	return;	3456	return;
2348	}	3457	}
2349		3458
2350	warn "reloading...";	3459	warn "reloading...";
2351		3460
2352	warn "cancelling server ticker";	3461	warn "entering sync_job";
2353	$TICK_WATCHER->cancel;
2354		3462
		3463	cf::sync_job {
		3464	cf::write_runtime; # external watchdog should not bark
2355	cf::emergency_save;	3465	cf::emergency_save;
		3466	cf::write_runtime; # external watchdog should not bark
2356		3467
2357	eval {	3468	warn "syncing database to disk";
		3469	BDB::db_env_txn_checkpoint $DB_ENV;
		3470
2358	# if anything goes wrong in here, we should simply crash as we already saved	3471	# if anything goes wrong in here, we should simply crash as we already saved
2359
2360	warn "syncing database to disk";
2361	cf::db_sync;
2362
2363	warn "cancelling all WF_AUTOCANCEL watchers";
2364	for (Event::all_watchers) {
2365	$_->cancel if $_->data & WF_AUTOCANCEL;
2366	}
2367		3472
2368	warn "flushing outstanding aio requests";	3473	warn "flushing outstanding aio requests";
2369	for (;;) {	3474	for (;;) {
		3475	BDB::flush;
2370	IO::AIO::flush;	3476	IO::AIO::flush;
2371	Coro::cede;	3477	Coro::cede_notself;
2372	last unless IO::AIO::nreqs;	3478	last unless IO::AIO::nreqs || BDB::nreqs;
2373	warn "iterate...";	3479	warn "iterate...";
2374	}	3480	}
		3481
		3482	++$RELOAD;
2375		3483
2376	warn "cancelling all extension coros";	3484	warn "cancelling all extension coros";
2377	$_->cancel for values %EXT_CORO;	3485	$_->cancel for values %EXT_CORO;
2378	%EXT_CORO = ();	3486	%EXT_CORO = ();
2379		3487
2380	warn "removing commands";	3488	warn "removing commands";
2381	%COMMAND = ();	3489	%COMMAND = ();
2382		3490
2383	warn "removing ext commands";	3491	warn "removing ext/exti commands";
2384	%EXTCMD = ();	3492	%EXTCMD = ();
		3493	%EXTICMD = ();
2385		3494
2386	warn "unloading/nuking all extensions";	3495	warn "unloading/nuking all extensions";
2387	for my $pkg (@EXTS) {	3496	for my $pkg (@EXTS) {
2388	warn "... unloading $pkg";	3497	warn "... unloading $pkg";
2389		3498
…		…
2419	Symbol::delete_package "safe::$_"	3528	Symbol::delete_package "safe::$_"
2420	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3529	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2421		3530
2422	warn "unloading cf.pm \"a bit\"";	3531	warn "unloading cf.pm \"a bit\"";
2423	delete $INC{"cf.pm"};	3532	delete $INC{"cf.pm"};
		3533	delete $INC{"cf/pod.pm"};
2424		3534
2425	# don't, removes xs symbols, too,	3535	# don't, removes xs symbols, too,
2426	# and global variables created in xs	3536	# and global variables created in xs
2427	#Symbol::delete_package __PACKAGE__;	3537	#Symbol::delete_package __PACKAGE__;
2428		3538
…		…
2431	warn "reloading cf.pm";	3541	warn "reloading cf.pm";
2432	require cf;	3542	require cf;
2433	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3543	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2434		3544
2435	warn "loading config and database again";	3545	warn "loading config and database again";
2436	cf::cfg_load;	3546	cf::reload_config;
2437	cf::db_load;
2438		3547
2439	warn "loading extensions";	3548	warn "loading extensions";
2440	cf::load_extensions;	3549	cf::load_extensions;
2441		3550
2442	warn "reattaching attachments to objects/players";	3551	warn "reattaching attachments to objects/players";
2443	_global_reattach;	3552	_global_reattach; # objects, sockets
2444	warn "reattaching attachments to maps";	3553	warn "reattaching attachments to maps";
2445	reattach $_ for values %MAP;	3554	reattach $_ for values %MAP;
		3555	warn "reattaching attachments to players";
		3556	reattach $_ for values %PLAYER;
2446		3557
2447	warn "restarting server ticker";	3558	warn "leaving sync_job";
2448		3559
2449	$TICK_WATCHER->start;	3560	1
2450	};	3561	} or do {
2451
2452	if ($@) {
2453	warn $@;	3562	warn $@;
2454	warn "error while reloading, exiting.";	3563	warn "error while reloading, exiting.";
2455	exit 1;	3564	exit 1;
2456	}	3565	};
2457		3566
2458	warn "reloaded";	3567	warn "reloaded";
2459	};	3568	};
2460		3569
2461	our $RELOAD_WATCHER; # used only during reload	3570	our $RELOAD_WATCHER; # used only during reload
2462		3571
		3572	sub reload_perl() {
		3573	# doing reload synchronously and two reloads happen back-to-back,
		3574	# coro crashes during coro_state_free->destroy here.
		3575
		3576	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3577	do_reload_perl;
		3578	undef $RELOAD_WATCHER;
		3579	};
		3580	}
		3581
2463	register_command "reload" => sub {	3582	register_command "reload" => sub {
2464	my ($who, $arg) = @_;	3583	my ($who, $arg) = @_;
2465		3584
2466	if ($who->flag (FLAG_WIZ)) {	3585	if ($who->flag (FLAG_WIZ)) {
2467	$who->message ("reloading server.");	3586	$who->message ("reloading server.");
2468		3587	async {
2469	# doing reload synchronously and two reloads happen back-to-back,	3588	$Coro::current->{desc} = "perl_reload";
2470	# coro crashes during coro_state_free->destroy here.
2471
2472	$RELOAD_WATCHER ||= Event->timer (
2473	reentrant => 0,
2474	after => 0,
2475	data => WF_AUTOCANCEL,
2476	cb => sub {
2477	reload;	3589	reload_perl;
2478	undef $RELOAD_WATCHER;
2479	},
2480	);	3590	};
2481	}	3591	}
2482	};	3592	};
2483		3593
2484	unshift @INC, $LIBDIR;	3594	unshift @INC, $LIBDIR;
2485		3595
2486	my $bug_warning = 0;	3596	my $bug_warning = 0;
2487		3597
2488	$TICK_WATCHER = Event->timer (	3598	our @WAIT_FOR_TICK;
2489	reentrant => 0,	3599	our @WAIT_FOR_TICK_BEGIN;
2490	parked => 1,	3600
2491	prio => 0,	3601	sub wait_for_tick {
2492	at => $NEXT_TICK || $TICK,	3602	return unless $TICK_WATCHER->is_active;
2493	data => WF_AUTOCANCEL,	3603	return if $Coro::current == $Coro::main;
2494	cb => sub {	3604
		3605	my $signal = new Coro::Signal;
		3606	push @WAIT_FOR_TICK, $signal;
		3607	$signal->wait;
		3608	}
		3609
		3610	sub wait_for_tick_begin {
		3611	return unless $TICK_WATCHER->is_active;
		3612	return if $Coro::current == $Coro::main;
		3613
		3614	my $signal = new Coro::Signal;
		3615	push @WAIT_FOR_TICK_BEGIN, $signal;
		3616	$signal->wait;
		3617	}
		3618
		3619	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2495	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
2496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3621	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2497	unless ++$bug_warning > 10;	3622	unless ++$bug_warning > 10;
2498	return;	3623	return;
2499	}	3624	}
2500		3625
2501	$NOW = Event::time;	3626	$NOW = $tick_start = EV::now;
2502		3627
2503	cf::server_tick; # one server iteration	3628	cf::server_tick; # one server iteration
		3629
2504	$RUNTIME += $TICK;	3630	$RUNTIME += $TICK;
2505	$NEXT_TICK += $TICK;	3631	$NEXT_TICK = $_[0]->at;
2506		3632
2507	$WAIT_FOR_TICK->broadcast;	3633	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2508	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3634	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2509		3635	Coro::async_pool {
2510	Event::sweep;	3636	$Coro::current->{desc} = "runtime saver";
2511	Coro::cede_notself;
2512
2513	# my $AFTER = Event::time;
2514	# warn $AFTER - $NOW;#d#
2515
2516	# if we are delayed by four ticks or more, skip them all
2517	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2518
2519	$TICK_WATCHER->at ($NEXT_TICK);
2520	$TICK_WATCHER->start;
2521	},
2522	);
2523
2524	IO::AIO::max_poll_time $TICK * 0.1;
2525
2526	undef $Coro::AIO::WATCHER;
2527	$AIO_POLL_WATCHER = Event->io (
2528	reentrant => 0,
2529	fd => IO::AIO::poll_fileno,
2530	poll => 'r',
2531	prio => 6,
2532	data => WF_AUTOCANCEL,
2533	cb => \&IO::AIO::poll_cb,
2534	);
2535
2536	$WRITE_RUNTIME_WATCHER = Event->timer (
2537	reentrant => 0,
2538	data => WF_AUTOCANCEL,
2539	after => 1,
2540	interval => 10,
2541	prio => 6, # keep it lowest so it acts like a watchdog
2542	cb => Coro::unblock_sub {
2543	write_runtime	3637	write_runtime
2544	or warn "ERROR: unable to write runtime file: $!";	3638	or warn "ERROR: unable to write runtime file: $!";
		3639	};
2545	},	3640	}
2546	);	3641
		3642	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3643	$sig->send;
		3644	}
		3645	while (my $sig = shift @WAIT_FOR_TICK) {
		3646	$sig->send;
		3647	}
		3648
		3649	$LOAD = ($NOW - $tick_start) / $TICK;
		3650	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3651
		3652	_post_tick;
		3653	};
		3654	$TICK_WATCHER->priority (EV::MAXPRI);
		3655
		3656	{
		3657	# configure BDB
		3658
		3659	BDB::min_parallel 8;
		3660	BDB::max_poll_reqs $TICK * 0.1;
		3661	$Coro::BDB::WATCHER->priority (1);
		3662
		3663	unless ($DB_ENV) {
		3664	$DB_ENV = BDB::db_env_create;
		3665	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3666	| BDB::LOG_AUTOREMOVE, 1);
		3667	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3668	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3669
		3670	cf::sync_job {
		3671	eval {
		3672	BDB::db_env_open
		3673	$DB_ENV,
		3674	$BDBDIR,
		3675	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3676	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3677	0666;
		3678
		3679	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3680	};
		3681
		3682	cf::cleanup "db_env_open(db): $@" if $@;
		3683	};
		3684	}
		3685
		3686	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3687	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3688	};
		3689	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3690	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3691	};
		3692	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3693	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3694	};
		3695	}
		3696
		3697	{
		3698	# configure IO::AIO
		3699
		3700	IO::AIO::min_parallel 8;
		3701	IO::AIO::max_poll_time $TICK * 0.1;
		3702	$Coro::AIO::WATCHER->priority (1);
		3703	}
		3704
		3705	my $_log_backtrace;
		3706
		3707	sub _log_backtrace {
		3708	my ($msg, @addr) = @_;
		3709
		3710	$msg =~ s/\n//;
		3711
		3712	# limit the # of concurrent backtraces
		3713	if ($_log_backtrace < 2) {
		3714	++$_log_backtrace;
		3715	async {
		3716	$Coro::current->{desc} = "abt $msg";
		3717
		3718	my @bt = fork_call {
		3719	@addr = map { sprintf "%x", $_ } @addr;
		3720	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3721	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3722	or die "addr2line: $!";
		3723
		3724	my @funcs;
		3725	my @res = <$fh>;
		3726	chomp for @res;
		3727	while (@res) {
		3728	my ($func, $line) = splice @res, 0, 2, ();
		3729	push @funcs, "[$func] $line";
		3730	}
		3731
		3732	@funcs
		3733	};
		3734
		3735	LOG llevInfo, "[ABT] $msg\n";
		3736	LOG llevInfo, "[ABT] $_\n" for @bt;
		3737	--$_log_backtrace;
		3738	};
		3739	} else {
		3740	LOG llevInfo, "[ABT] $msg\n";
		3741	LOG llevInfo, "[ABT] [suppressed]\n";
		3742	}
		3743	}
		3744
		3745	# load additional modules
		3746	use cf::pod;
2547		3747
2548	END { cf::emergency_save }	3748	END { cf::emergency_save }
2549		3749
2550	1	3750	1
2551		3751

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