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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.143 by root, Sun Jan 7 02:39:14 2007 UTC vs.
Revision 1.411 by root, Fri Feb 1 15:54:07 2008 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use EV 1.86;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.3 ();	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 ();
		29	use Data::Dumper;
20	use Digest::MD5;	30	use Digest::MD5;
21	use Fcntl;	31	use Fcntl;
		32	use YAML ();
22	use IO::AIO 2.31 ();	33	use IO::AIO 2.51 ();
23	use YAML::Syck ();
24	use Time::HiRes;	34	use Time::HiRes;
		35	use Compress::LZF;
		36	use Digest::MD5 ();
25		37
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	# configure various modules to our taste
27		39	#
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	$Storable::canonical = 1; # reduce rsync transfers
29	$YAML::Syck::ImplicitUnicode = 1;	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
30		43
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		45
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		47
35	our %COMMAND = ();	48	our %COMMAND = ();
36	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
		50
		51	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
38		56
		57	our $RELOAD; # number of reloads so far
39	our @EVENT;	58	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		59
42	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(!)
43	our $TICK_WATCHER;	74	our $TICK_WATCHER;
		75	our $AIO_POLL_WATCHER;
		76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	77	our $NEXT_TICK;
45	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;
46		85
47	our %CFG;	86	our %CFG;
48		87
49	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
51		91
52	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
53	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
54	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	95
56	our %EXT_CORO; # coroutines bound to extensions	96	# used to convert map paths into valid unix filenames by replacing / by ∕
		97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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 $tick_start; # for load detecting purposes
57		102
58	binmode STDOUT;	103	binmode STDOUT;
59	binmode STDERR;	104	binmode STDERR;
60		105
61	# read virtual server time, if available	106	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
66	}	111	}
67		112
68	mkdir cf::localdir;	113	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		115
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
77		119
78	#############################################################################	120	#############################################################################
79		121
80	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
81		123
…		…
88	=item $cf::RUNTIME	130	=item $cf::RUNTIME
89		131
90	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
91	every server tick.	133	every server tick.
92		134
93	=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
94		138
95	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
96	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.
97		143
98	=item $cf::NOW	144	=item $cf::NOW
99		145
100	The time of the last (current) server tick.	146	The time of the last (current) server tick.
101		147
102	=item $cf::TICK	148	=item $cf::TICK
103		149
104	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
105		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
106	=item %cf::CFG	162	=item %cf::CFG
107		163
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		170	returns directly I<after> the tick processing (and consequently, can only wake one process
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		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.
110		178
111	=back	179	=back
112		180
113	=cut	181	=cut
114		182
115	BEGIN {	183	BEGIN {
116	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	185	my $msg = join "", @_;
118	utf8::encode $msg;
119		186
120	$msg .= "\n"	187	$msg .= "\n"
121	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
122		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
123	LOG llevError, "cfperl: $msg";	192	LOG llevError, $msg;
124	};	193	};
125	}	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#?
126		210
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@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';
132	@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)
133		218
134	# 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
135	# within the Safe compartment.	220	# within the Safe compartment.
136	for my $pkg (qw(	221	for my $pkg (qw(
137	cf::global cf::attachable	222	cf::global cf::attachable
…		…
142	)) {	227	)) {
143	no strict 'refs';	228	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	230	}
146		231
147	$Event::DIED = sub {	232	$EV::DIED = sub {
148	warn "error in event callback: @_";	233	warn "error in event callback: @_";
149	};	234	};
150		235
151	my %ext_pkg;	236	#############################################################################
152	my @exts;
153	my @hook;
154		237
155	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
156		239
157	=over 4	240	=over 4
158		241
159	=cut	242	=item dumpval $ref
160		243
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	244	=cut
162		245
		246	sub dumpval {
		247	eval {
		248	local $SIG{__DIE__};
		249	my $d;
		250	if (1) {
		251	$d = new Data::Dumper([$_[0]], ["*var"]);
		252	$d->Terse(1);
		253	$d->Indent(2);
		254	$d->Quotekeys(0);
		255	$d->Useqq(1);
		256	#$d->Bless(...);
		257	$d->Seen($_[1]) if @_ > 1;
		258	$d = $d->Dump();
		259	}
		260	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		261	$d
		262	} || "[unable to dump $_[0]: '$@']";
		263	}
		264
163	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
164		266
165	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
166		268
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
175		270
176	Converts a perl data structure into its JSON representation.	271	Converts a perl data structure into its JSON representation.
177		272
178	=cut	273	=cut
179		274
180	sub to_json($) {	275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	276
182	JSON::Syck::Dump $_[0]	277	sub encode_json($) { $json_coder->encode ($_[0]) }
183	}	278	sub decode_json($) { $json_coder->decode ($_[0]) }
184		279
185	=item cf::lock_wait $string	280	=item cf::lock_wait $string
186		281
187	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
188		283
…		…
191	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
192	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,
193	for example when the coroutine gets canceled), the lock is automatically	288	for example when the coroutine gets canceled), the lock is automatically
194	returned.	289	returned.
195		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
196	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
197	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
198		296
		297	=item $locked = cf::lock_active $string
		298
		299	Return true if the lock is currently active, i.e. somebody has locked it.
		300
199	=cut	301	=cut
200		302
201	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
202		305
203	sub lock_wait($) {	306	sub lock_wait($) {
204	my ($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#
205		313
206	# wait for lock, if any	314	# wait for lock, if any
207	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;	317	Coro::schedule;
…		…
215		323
216	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
217	lock_wait $key;	325	lock_wait $key;
218		326
219	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
220		329
221	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
222	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
224	}	334	}
225	}	335	}
226		336
		337	sub lock_active($) {
		338	my ($key) = @_;
		339
		340	! ! $LOCK{$key}
		341	}
		342
227	sub freeze_mainloop {	343	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	344	return unless $TICK_WATCHER->is_active;
229		345
230	my $guard = Coro::guard { $TICK_WATCHER->start };	346	my $guard = Coro::guard {
		347	$TICK_WATCHER->start;
		348	};
231	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
232	$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	$sig->wait;
233	}	424	}
234		425
235	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
236		427
237	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		433
243	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
244		435
245	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
246		437
247	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
250		442
251	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
254	fast or be very important.	446	fast or be very important.
…		…
257		449
258	sub sync_job(&) {	450	sub sync_job(&) {
259	my ($job) = @_;	451	my ($job) = @_;
260		452
261	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
		454	my $time = EV::time;
		455
262	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
264		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
265	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
266	# (but this is cancel-safe)	462	# (but this is cancel-safe)
267	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
268		464
269	my $busy = 1;	465	my $busy = 1;
270	my @res;	466	my @res;
271		467
272	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
273	@res = eval { $job->() };	470	@res = eval { $job->() };
274	warn $@ if $@;	471	warn $@ if $@;
275	undef $busy;	472	undef $busy;
276	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
277		474
278	while ($busy) {	475	while ($busy) {
279	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
280	}	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
281		489
282	wantarray ? @res : $res[0]	490	wantarray ? @res : $res[0]
283	} else {	491	} else {
284	# we are in another coroutine, how wonderful, everything just works	492	# we are in another coroutine, how wonderful, everything just works
285		493
…		…
287	}	495	}
288	}	496	}
289		497
290	=item $coro = cf::async_ext { BLOCK }	498	=item $coro = cf::async_ext { BLOCK }
291		499
292	Like async, but this coro is automcatially being canceled when the	500	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	501	extension calling this is being unloaded.
294		502
295	=cut	503	=cut
296		504
297	sub async_ext(&) {	505	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
306		514
307	$coro	515	$coro
308	}	516	}
309		517
310	sub write_runtime {	518	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		519
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	520	Executes the given code block with the given arguments in a seperate
314	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.
315		524
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	525	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		526
320	aio_fsync $fh	527	sub fork_call(&@) {
321	and return;	528	my ($cb, @args) = @_;
322		529
323	close $fh	530	# we seemingly have to make a local copy of the whole thing,
324	or return;	531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
325		533
326	aio_rename "$runtime~", $runtime	534	my @res = Coro::Util::fork_eval {
327	and return;	535	reset_signals;
		536	&$cb
		537	}, @args;
328		538
		539	wantarray ? @res : $res[-1]
		540	}
		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($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
329	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		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 => $type });
330	}	678	}
331		679
332	=back	680	=back
333		681
334	=cut	682	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		683
456	#############################################################################	684	#############################################################################
457		685
458	=head2 ATTACHABLE OBJECTS	686	=head2 ATTACHABLE OBJECTS
459		687
…		…
461	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")
462	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
463		691
464	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>
465	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
466	crossfire+).	694	Deliantra).
467		695
468	=over 4	696	=over 4
469		697
470	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
471		699
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	813	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	814	our @CB_MAP = ();
587		815
588	my %attachment;	816	my %attachment;
589		817
		818	sub cf::attachable::thawer_merge {
		819	# simply override everything except _meta
		820	local $_[0]{_meta};
		821	%{$_[0]} = %{$_[1]};
		822	}
		823
590	sub _attach_cb($$$$) {	824	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	825	my ($registry, $event, $prio, $cb) = @_;
592		826
593	use sort 'stable';	827	use sort 'stable';
594		828
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	862	$registry = $CB_TYPE[$object_type] ||= [];
629		863
630	} elsif ($type eq "subtype") {	864	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	865	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	866	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	867	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		868
635	} elsif ($type eq "package") {	869	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	870	my $pkg = shift @arg;
637		871
638	while (my ($name, $id) = each %cb_id) {	872	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
668	}	902	}
669		903
670	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
671	} else {	905	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	907	}
674		908
675	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
676	}	910	}
677		911
…		…
679	if (ref $_[0]) {	913	if (ref $_[0]) {
680	_object_attach @_;	914	_object_attach @_;
681	} else {	915	} else {
682	_attach shift->_attach_registry, @_;	916	_attach shift->_attach_registry, @_;
683	}	917	}
		918	_recalc_want;
684	};	919	};
685		920
686	# all those should be optimised	921	# all those should be optimised
687	sub cf::attachable::detach {	922	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	926	delete $obj->{_attachment}{$name};
692	reattach ($obj);	927	reattach ($obj);
693	} else {	928	} else {
694	Carp::croak "cannot, currently, detach class attachments";	929	Carp::croak "cannot, currently, detach class attachments";
695	}	930	}
		931	_recalc_want;
696	};	932	};
697		933
698	sub cf::attachable::attached {	934	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
700		936
…		…
715	";	951	";
716	die if $@;	952	die if $@;
717	}	953	}
718		954
719	our $override;	955	our $override;
720	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?
721		957
722	sub override {	958	sub override {
723	$override = 1;	959	$override = 1;
724	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
725	}	961	}
726		962
727	sub do_invoke {	963	sub do_invoke {
728	my $event = shift;	964	my $event = shift;
729	my $callbacks = shift;	965	my $callbacks = shift;
730		966
731	@invoke_results = ();	967	@INVOKE_RESULTS = ();
732		968
733	local $override;	969	local $override;
734		970
735	for (@$callbacks) {	971	for (@$callbacks) {
736	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
745	}	981	}
746		982
747	0	983	0
748	}	984	}
749		985
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		987
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		989
754	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
755		991
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		995
760	=back	996	=back
761		997
762	=cut	998	=cut
763		999
764	#############################################################################	1000	#############################################################################
765	# 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	}
766		1044
767	sub reattach {	1045	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1047	my ($obj) = @_;
		1048
		1049	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		1050
771	my $registry = $obj->registry;	1051	my $registry = $obj->registry;
772		1052
773	@$registry = ();	1053	@$registry = ();
774		1054
…		…
789	cf::attachable->attach (	1069	cf::attachable->attach (
790	prio => -1000000,	1070	prio => -1000000,
791	on_instantiate => sub {	1071	on_instantiate => sub {
792	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
793		1073
794	$data = from_json $data;	1074	$data = decode_json $data;
795		1075
796	for (@$data) {	1076	for (@$data) {
797	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
798		1078
799	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
815	sub object_freezer_save {	1095	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
817		1097
818	sync_job {	1098	sync_job {
819	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
820	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
822		1103
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	1107	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	1108	close $fh;
828		1109
829	if (@$objs) {	1110	if (@$objs) {
830	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) {
831	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	1115	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	1116	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
837	}	1118	}
838	} else {	1119	} else {
839	aio_unlink "$filename.pst";	1120	aio_unlink "$filename.pst";
…		…
845	}	1126	}
846	} else {	1127	} else {
847	aio_unlink $filename;	1128	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
849	}	1130	}
850	}	1131	};
851	}	1132	}
852		1133
853	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
855		1136
…		…
867	or return;	1148	or return;
868		1149
869	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
871	or return;	1152	or return;
		1153
872	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
873	}	1156	}
874		1157
		1158	utf8::decode (my $decname = $filename);
875	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
877	return ($data, $av);	1162	($data, $av)
878	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
879		1170
880	#############################################################################	1171	#############################################################################
881	# command handling &c	1172	# command handling &c
882		1173
883	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1188	}
898		1189
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1191
901	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.
902		1197
903	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
904	called.	1199	called.
905		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
906	=cut	1212	=cut
907		1213
908	sub register_extcmd {	1214	sub register_extcmd {
909	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
910		1216
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
915	}	1224	}
916		1225
917	cf::player->attach (	1226	cf::player->attach (
918	on_command => sub {	1227	on_command => sub {
919	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1237	cf::override;
929	},	1238	},
930	on_extcmd => sub {	1239	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
932		1241
933	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1243
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
941	} else {	1259	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1261	}
944		1262
945	cf::override;	1263	cf::override;
946	},	1264	},
947	);	1265	);
948		1266
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {
956	my ($path) = @_;
957
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;
960	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}
1024
1025	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
1026	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1272	next unless -r $path;
1028	eval {	1273
1029	load_extension $ext;	1274	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1275	my $base = $1;
		1276	my $pkg = $1;
		1277	$pkg =~ s/[^[:word:]]/_/g;
		1278	$pkg = "ext::$pkg";
		1279
		1280	open my $fh, "<:utf8", $path
		1281	or die "$path: $!";
		1282
		1283	my $source = do { local $/; <$fh> };
		1284
		1285	my %ext = (
		1286	path => $path,
		1287	base => $base,
		1288	pkg => $pkg,
		1289	);
		1290
		1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1293
		1294	$ext{source} =
		1295	"package $pkg; use strict; use utf8;\n"
		1296	. "#line 1 \"$path\"\n{\n"
		1297	. $source
		1298	. "\n};\n1";
		1299
		1300	$todo{$base} = \%ext;
		1301	}
		1302
		1303	my %done;
		1304	while (%todo) {
		1305	my $progress;
		1306
		1307	while (my ($k, $v) = each %todo) {
		1308	for (split /,\s*/, $v->{meta}{depends}) {
		1309	goto skip
		1310	unless exists $done{$_};
		1311	}
		1312
		1313	warn "... loading '$k' into '$v->{pkg}'\n";
		1314
		1315	unless (eval $v->{source}) {
		1316	my $msg = $@ ? "$v->{path}: $@\n"
		1317	: "$v->{base}: extension inactive.\n";
		1318
		1319	if (exists $v->{meta}{mandatory}) {
		1320	warn $msg;
		1321	cf::cleanup "mandatory extension failed to load, exiting.";
		1322	}
		1323
		1324	warn $msg;
		1325	}
		1326
		1327	$done{$k} = delete $todo{$k};
		1328	push @EXTS, $v->{pkg};
		1329	$progress = 1;
1030	1	1330	}
1031	} or warn "$ext not loaded: $@";	1331
		1332	skip:
		1333	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1334	unless $progress;
		1335	}
1032	}	1336	};
1033	}	1337	}
1034		1338
1035	#############################################################################	1339	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1340
1038	*cf::mapsupport::on_clean = sub {	1341	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1342
1073	=head2 CORE EXTENSIONS	1343	=head2 CORE EXTENSIONS
1074		1344
1075	Functions and methods that extend core crossfire objects.	1345	Functions and methods that extend core crossfire objects.
1076		1346
1077	=cut	1347	=cut
1078		1348
1079	package cf::player;	1349	package cf::player;
1080		1350
		1351	use Coro::AIO;
		1352
1081	=head3 cf::player	1353	=head3 cf::player
1082		1354
1083	=over 4	1355	=over 4
1084		1356
		1357	=item cf::player::num_playing
		1358
		1359	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1360
		1361	=cut
		1362
		1363	sub num_playing {
		1364	scalar grep
		1365	$_->ob->map
		1366	&& !$_->hidden
		1367	&& !$_->ob->flag (cf::FLAG_WIZ),
		1368	cf::player::list
		1369	}
		1370
1085	=item cf::player::find $login	1371	=item cf::player::find $login
1086		1372
1087	Returns the given player object, loading it if necessary (might block).	1373	Returns the given player object, loading it if necessary (might block).
1088		1374
1089	=cut	1375	=cut
1090		1376
		1377	sub playerdir($) {
		1378	"$PLAYERDIR/"
		1379	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1380	}
		1381
1091	sub path($) {	1382	sub path($) {
1092	sprintf "%s/%s/%s/%s.pl",	1383	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093	cf::localdir, cf::playerdir,	1384
1094	(ref $_[0] ? $_[0]->ob->name : $_[0]) x 2	1385	(playerdir $login) . "/playerdata"
1095	}	1386	}
1096		1387
1097	sub find_active($) {	1388	sub find_active($) {
1098	$cf::PLAYER{$_[0]}	1389	$cf::PLAYER{$_[0]}
1099	and $cf::PLAYER{$_[0]}->active	1390	and $cf::PLAYER{$_[0]}->active
…		…
1102		1393
1103	sub exists($) {	1394	sub exists($) {
1104	my ($login) = @_;	1395	my ($login) = @_;
1105		1396
1106	$cf::PLAYER{$login}	1397	$cf::PLAYER{$login}
1107	or cf::sync_job { !aio_stat $login }	1398	or cf::sync_job { !aio_stat path $login }
1108	}	1399	}
1109		1400
1110	sub find($) {	1401	sub find($) {
1111	return $cf::PLAYER{$_[0]} || do {	1402	return $cf::PLAYER{$_[0]} || do {
1112	my $login = $_[0];	1403	my $login = $_[0];
1113		1404
1114	my $guard = cf::lock_acquire "user_find:$login";	1405	my $guard = cf::lock_acquire "user_find:$login";
1115		1406
1116	$cf::PLAYER{$login} ||= (load_pl path $login or return);	1407	$cf::PLAYER{$_[0]} || do {
		1408	# rename old playerfiles to new ones
		1409	#TODO: remove when no longer required
		1410	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1411	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1412	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1413	aio_unlink +(playerdir $login) . "/$login.pl";
		1414
		1415	my $f = new_from_file cf::object::thawer path $login
		1416	or return;
		1417
		1418	my $pl = cf::player::load_pl $f
		1419	or return;
		1420	local $cf::PLAYER_LOADING{$login} = $pl;
		1421	$f->resolve_delayed_derefs;
		1422	$cf::PLAYER{$login} = $pl
		1423	}
1117	};	1424	}
1118	}	1425	}
1119		1426
1120	sub save($) {	1427	sub save($) {
1121	my ($pl) = @_;	1428	my ($pl) = @_;
1122		1429
…		…
1124		1431
1125	my $path = path $pl;	1432	my $path = path $pl;
1126	my $guard = cf::lock_acquire "user_save:$path";	1433	my $guard = cf::lock_acquire "user_save:$path";
1127		1434
1128	return if $pl->{deny_save};	1435	return if $pl->{deny_save};
		1436
		1437	aio_mkdir playerdir $pl, 0770;
1129	$pl->{last_save} = $cf::RUNTIME;	1438	$pl->{last_save} = $cf::RUNTIME;
1130		1439
1131	Coro::cede;
1132	$pl->save_pl ($path);	1440	$pl->save_pl ($path);
1133	Coro::cede;	1441	cf::cede_to_tick;
1134	}	1442	}
1135		1443
1136	sub new($) {	1444	sub new($) {
1137	my ($login) = @_;	1445	my ($login) = @_;
1138		1446
…		…
1144	$cf::PLAYER{$login} = $self;	1452	$cf::PLAYER{$login} = $self;
1145		1453
1146	$self	1454	$self
1147	}	1455	}
1148		1456
		1457	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1458
		1459	=cut
		1460
		1461	sub send_msg {
		1462	my $ns = shift->ns
		1463	or return;
		1464	$ns->send_msg (@_);
		1465	}
		1466
		1467	=item $pl->quit_character
		1468
		1469	Nukes the player without looking back. If logged in, the connection will
		1470	be destroyed. May block for a long time.
		1471
		1472	=cut
		1473
		1474	sub quit_character {
		1475	my ($pl) = @_;
		1476
		1477	my $name = $pl->ob->name;
		1478
		1479	$pl->{deny_save} = 1;
		1480	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1481
		1482	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1483	$pl->deactivate;
		1484	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1485	$pl->ns->destroy if $pl->ns;
		1486
		1487	my $path = playerdir $pl;
		1488	my $temp = "$path~$cf::RUNTIME~deleting~";
		1489	aio_rename $path, $temp;
		1490	delete $cf::PLAYER{$pl->ob->name};
		1491	$pl->destroy;
		1492
		1493	my $prefix = qr<^~\Q$name\E/>;
		1494
		1495	# nuke player maps
		1496	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1497
		1498	IO::AIO::aio_rmtree $temp;
		1499	}
		1500
		1501	=item $pl->kick
		1502
		1503	Kicks a player out of the game. This destroys the connection.
		1504
		1505	=cut
		1506
		1507	sub kick {
		1508	my ($pl, $kicker) = @_;
		1509
		1510	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1511	$pl->killer ("kicked");
		1512	$pl->ns->destroy;
		1513	}
		1514
		1515	=item cf::player::list_logins
		1516
		1517	Returns am arrayref of all valid playernames in the system, can take a
		1518	while and may block, so not sync_job-capable, ever.
		1519
		1520	=cut
		1521
		1522	sub list_logins {
		1523	my $dirs = aio_readdir $PLAYERDIR
		1524	or return [];
		1525
		1526	my @logins;
		1527
		1528	for my $login (@$dirs) {
		1529	my $path = path $login;
		1530
		1531	# a .pst is a dead give-away for a valid player
		1532	unless (-e "$path.pst") {
		1533	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1534	aio_read $fh, 0, 512, my $buf, 0 or next;
		1535	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1536	}
		1537
		1538	utf8::decode $login;
		1539	push @logins, $login;
		1540	}
		1541
		1542	\@logins
		1543	}
		1544
		1545	=item $player->maps
		1546
		1547	Returns an arrayref of map paths that are private for this
		1548	player. May block.
		1549
		1550	=cut
		1551
		1552	sub maps($) {
		1553	my ($pl) = @_;
		1554
		1555	$pl = ref $pl ? $pl->ob->name : $pl;
		1556
		1557	my $files = aio_readdir playerdir $pl
		1558	or return;
		1559
		1560	my @paths;
		1561
		1562	for (@$files) {
		1563	utf8::decode $_;
		1564	next if /\.(?:pl|pst)$/;
		1565	next unless /^$PATH_SEP/o;
		1566
		1567	push @paths, cf::map::normalise "~$pl/$_";
		1568	}
		1569
		1570	\@paths
		1571	}
		1572
		1573	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1574
		1575	Expand crossfire pod fragments into protocol xml.
		1576
		1577	=cut
		1578
		1579	use re 'eval';
		1580
		1581	my $group;
		1582	my $interior; $interior = qr{
		1583	# match a pod interior sequence sans C<< >>
		1584	(?:
		1585	\ (.*?)\ (?{ $group = $^N })
		1586	| < (??{$interior}) >
		1587	)
		1588	}x;
		1589
		1590	sub expand_cfpod {
		1591	my ($self, $pod) = @_;
		1592
		1593	my $xml;
		1594
		1595	while () {
		1596	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1597	$group = $1;
		1598
		1599	$group =~ s/&/&amp;/g;
		1600	$group =~ s/</&lt;/g;
		1601
		1602	$xml .= $group;
		1603	} elsif ($pod =~ m%\G
		1604	([BCGHITU])
		1605	<
		1606	(?:
		1607	([^<>]*) (?{ $group = $^N })
		1608	| < $interior >
		1609	)
		1610	>
		1611	%gcsx
		1612	) {
		1613	my ($code, $data) = ($1, $group);
		1614
		1615	if ($code eq "B") {
		1616	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1617	} elsif ($code eq "I") {
		1618	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1619	} elsif ($code eq "U") {
		1620	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1621	} elsif ($code eq "C") {
		1622	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1623	} elsif ($code eq "T") {
		1624	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1625	} elsif ($code eq "G") {
		1626	my ($male, $female) = split /\|/, $data;
		1627	$data = $self->gender ? $female : $male;
		1628	$xml .= expand_cfpod ($self, $data);
		1629	} elsif ($code eq "H") {
		1630	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1631	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1632	"")
		1633	[$self->{hintmode}];
		1634	} else {
		1635	$xml .= "error processing '$code($data)' directive";
		1636	}
		1637	} else {
		1638	if ($pod =~ /\G(.+)/) {
		1639	warn "parse error while expanding $pod (at $1)";
		1640	}
		1641	last;
		1642	}
		1643	}
		1644
		1645	for ($xml) {
		1646	# create single paragraphs (very hackish)
		1647	s/(?<=\S)\n(?=\w)/ /g;
		1648
		1649	# compress some whitespace
		1650	s/\s+\n/\n/g; # ws line-ends
		1651	s/\n\n+/\n/g; # double lines
		1652	s/^\n+//; # beginning lines
		1653	s/\n+$//; # ending lines
		1654	}
		1655
		1656	$xml
		1657	}
		1658
		1659	no re 'eval';
		1660
		1661	sub hintmode {
		1662	$_[0]{hintmode} = $_[1] if @_ > 1;
		1663	$_[0]{hintmode}
		1664	}
		1665
1149	=item $player->ext_reply ($msgid, $msgtype, %msg)	1666	=item $player->ext_reply ($msgid, @msg)
1150		1667
1151	Sends an ext reply to the player.	1668	Sends an ext reply to the player.
1152		1669
1153	=cut	1670	=cut
1154		1671
1155	sub ext_reply($$$%) {	1672	sub ext_reply($$@) {
1156	my ($self, $id, %msg) = @_;	1673	my ($self, $id, @msg) = @_;
1157		1674
1158	$msg{msgid} = $id;	1675	$self->ns->ext_reply ($id, @msg)
1159
1160	$self->send ("ext " . cf::to_json \%msg);
1161	}	1676	}
1162		1677
1163	package cf;	1678	=item $player->ext_msg ($type, @msg)
		1679
		1680	Sends an ext event to the client.
		1681
		1682	=cut
		1683
		1684	sub ext_msg($$@) {
		1685	my ($self, $type, @msg) = @_;
		1686
		1687	$self->ns->ext_msg ($type, @msg);
		1688	}
		1689
		1690	=head3 cf::region
		1691
		1692	=over 4
		1693
		1694	=cut
		1695
		1696	package cf::region;
		1697
		1698	=item cf::region::find_by_path $path
		1699
		1700	Tries to decuce the likely region for a map knowing only its path.
		1701
		1702	=cut
		1703
		1704	sub find_by_path($) {
		1705	my ($path) = @_;
		1706
		1707	my ($match, $specificity);
		1708
		1709	for my $region (list) {
		1710	if ($region->{match} && $path =~ $region->{match}) {
		1711	($match, $specificity) = ($region, $region->specificity)
		1712	if $region->specificity > $specificity;
		1713	}
		1714	}
		1715
		1716	$match
		1717	}
1164		1718
1165	=back	1719	=back
1166
1167		1720
1168	=head3 cf::map	1721	=head3 cf::map
1169		1722
1170	=over 4	1723	=over 4
1171		1724
…		…
1174	package cf::map;	1727	package cf::map;
1175		1728
1176	use Fcntl;	1729	use Fcntl;
1177	use Coro::AIO;	1730	use Coro::AIO;
1178		1731
		1732	use overload
		1733	'""' => \&as_string,
		1734	fallback => 1;
		1735
1179	our $MAX_RESET = 3600;	1736	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1737	our $DEFAULT_RESET = 3000;
1181		1738
1182	sub generate_random_map {	1739	sub generate_random_map {
1183	my ($path, $rmp) = @_;	1740	my ($self, $rmp) = @_;
1184
1185	# mit "rum" bekleckern, nicht	1741	# mit "rum" bekleckern, nicht
1186	cf::map::_create_random_map	1742	$self->_create_random_map (
1187	$path,
1188	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1743	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1744	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1745	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191	$rmp->{exit_on_final_map},	1746	$rmp->{exit_on_final_map},
1192	$rmp->{xsize}, $rmp->{ysize},	1747	$rmp->{xsize}, $rmp->{ysize},
1193	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1748	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1749	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1750	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1751	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1197	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1752	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198	(cf::region::find $rmp->{region})	1753	(cf::region::find $rmp->{region}), $rmp->{custom}
		1754	)
		1755	}
		1756
		1757	=item cf::map->register ($regex, $prio)
		1758
		1759	Register a handler for the map path matching the given regex at the
		1760	givne priority (higher is better, built-in handlers have priority 0, the
		1761	default).
		1762
		1763	=cut
		1764
		1765	sub register {
		1766	my (undef, $regex, $prio) = @_;
		1767	my $pkg = caller;
		1768
		1769	no strict;
		1770	push @{"$pkg\::ISA"}, __PACKAGE__;
		1771
		1772	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1773	}
		1774
		1775	# also paths starting with '/'
		1776	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1777
		1778	sub thawer_merge {
		1779	my ($self, $merge) = @_;
		1780
		1781	# we have to keep some variables in memory intact
		1782	local $self->{path};
		1783	local $self->{load_path};
		1784
		1785	$self->SUPER::thawer_merge ($merge);
		1786	}
		1787
		1788	sub normalise {
		1789	my ($path, $base) = @_;
		1790
		1791	$path = "$path"; # make sure its a string
		1792
		1793	$path =~ s/\.map$//;
		1794
		1795	# map plan:
		1796	#
		1797	# /! non-realised random map exit (special hack!)
		1798	# {... are special paths that are not being touched
		1799	# ?xxx/... are special absolute paths
		1800	# ?random/... random maps
		1801	# /... normal maps
		1802	# ~user/... per-player map of a specific user
		1803
		1804	$path =~ s/$PATH_SEP/\//go;
		1805
		1806	# treat it as relative path if it starts with
		1807	# something that looks reasonable
		1808	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1809	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1810
		1811	$base =~ s{[^/]+/?$}{};
		1812	$path = "$base/$path";
		1813	}
		1814
		1815	for ($path) {
		1816	redo if s{//}{/};
		1817	redo if s{/\.?/}{/};
		1818	redo if s{/[^/]+/\.\./}{/};
		1819	}
		1820
		1821	$path
		1822	}
		1823
		1824	sub new_from_path {
		1825	my (undef, $path, $base) = @_;
		1826
		1827	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1828
		1829	$path = normalise $path, $base;
		1830
		1831	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1832	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1833	my $self = bless cf::map::new, $pkg;
		1834	$self->{path} = $path; $self->path ($path);
		1835	$self->init; # pass $1 etc.
		1836	return $self;
		1837	}
		1838	}
		1839
		1840	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1841	()
		1842	}
		1843
		1844	sub init {
		1845	my ($self) = @_;
		1846
		1847	$self
		1848	}
		1849
		1850	sub as_string {
		1851	my ($self) = @_;
		1852
		1853	"$self->{path}"
		1854	}
		1855
		1856	# the displayed name, this is a one way mapping
		1857	sub visible_name {
		1858	&as_string
		1859	}
		1860
		1861	# the original (read-only) location
		1862	sub load_path {
		1863	my ($self) = @_;
		1864
		1865	"$MAPDIR/$self->{path}.map"
		1866	}
		1867
		1868	# the temporary/swap location
		1869	sub save_path {
		1870	my ($self) = @_;
		1871
		1872	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1873	"$TMPDIR/$path.map"
		1874	}
		1875
		1876	# the unique path, undef == no special unique path
		1877	sub uniq_path {
		1878	my ($self) = @_;
		1879
		1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1881	"$UNIQUEDIR/$path"
1199	}	1882	}
1200		1883
1201	# and all this just because we cannot iterate over	1884	# and all this just because we cannot iterate over
1202	# all maps in C++...	1885	# all maps in C++...
1203	sub change_all_map_light {	1886	sub change_all_map_light {
…		…
1205		1888
1206	$_->change_map_light ($change)	1889	$_->change_map_light ($change)
1207	for grep $_->outdoor, values %cf::MAP;	1890	for grep $_->outdoor, values %cf::MAP;
1208	}	1891	}
1209		1892
		1893	sub decay_objects {
		1894	my ($self) = @_;
		1895
		1896	return if $self->{deny_reset};
		1897
		1898	$self->do_decay_objects;
		1899	}
		1900
		1901	sub unlink_save {
		1902	my ($self) = @_;
		1903
		1904	utf8::encode (my $save = $self->save_path);
		1905	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1906	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1907	}
		1908
1210	sub try_load_header($) {	1909	sub load_header_from($) {
1211	my ($path) = @_;	1910	my ($self, $path) = @_;
1212		1911
1213	utf8::encode $path;	1912	utf8::encode $path;
1214	aio_open $path, O_RDONLY, 0	1913	my $f = new_from_file cf::object::thawer $path
1215	or return;	1914	or return;
1216		1915
1217	my $map = cf::map::new	1916	$self->_load_header ($f)
1218	or return;	1917	or return;
1219		1918
1220	# for better error messages only, will be overwritten	1919	local $MAP_LOADING{$self->{path}} = $self;
1221	$map->path ($path);	1920	$f->resolve_delayed_derefs;
1222		1921
1223	$map->load_header ($path)	1922	$self->{load_path} = $path;
		1923
		1924	1
		1925	}
		1926
		1927	sub load_header_orig {
		1928	my ($self) = @_;
		1929
		1930	$self->load_header_from ($self->load_path)
		1931	}
		1932
		1933	sub load_header_temp {
		1934	my ($self) = @_;
		1935
		1936	$self->load_header_from ($self->save_path)
		1937	}
		1938
		1939	sub prepare_temp {
		1940	my ($self) = @_;
		1941
		1942	$self->last_access ((delete $self->{last_access})
		1943	|| $cf::RUNTIME); #d#
		1944	# safety
		1945	$self->{instantiate_time} = $cf::RUNTIME
		1946	if $self->{instantiate_time} > $cf::RUNTIME;
		1947	}
		1948
		1949	sub prepare_orig {
		1950	my ($self) = @_;
		1951
		1952	$self->{load_original} = 1;
		1953	$self->{instantiate_time} = $cf::RUNTIME;
		1954	$self->last_access ($cf::RUNTIME);
		1955	$self->instantiate;
		1956	}
		1957
		1958	sub load_header {
		1959	my ($self) = @_;
		1960
		1961	if ($self->load_header_temp) {
		1962	$self->prepare_temp;
		1963	} else {
		1964	$self->load_header_orig
1224	or return;	1965	or return;
		1966	$self->prepare_orig;
		1967	}
1225		1968
1226	$map->{load_path} = $path;	1969	$self->{deny_reset} = 1
		1970	if $self->no_reset;
1227		1971
1228	$map	1972	$self->default_region (cf::region::find_by_path $self->{path})
		1973	unless $self->default_region;
		1974
		1975	1
1229	}	1976	}
1230		1977
1231	sub find;	1978	sub find;
1232	sub find {	1979	sub find {
1233	my ($path, $origin) = @_;	1980	my ($path, $origin) = @_;
1234		1981
1235	#warn "find<$path,$origin>\n";#d#
1236
1237	$path = new cf::path $path, $origin && $origin->path;	1982	$path = normalise $path, $origin && $origin->path;
1238	my $key = $path->as_string;
1239		1983
		1984	cf::lock_wait "map_data:$path";#d#remove
1240	cf::lock_wait "map_find:$key";	1985	cf::lock_wait "map_find:$path";
1241		1986
1242	$cf::MAP{$key} || do {	1987	$cf::MAP{$path} || do {
1243	my $guard = cf::lock_acquire "map_find:$key";	1988	my $guard1 = cf::lock_acquire "map_find:$path";
		1989	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1244		1990
1245	# do it the slow way	1991	my $map = new_from_path cf::map $path
1246	my $map = try_load_header $path->save_path;
1247
1248	Coro::cede;
1249
1250	if ($map) {
1251	$map->last_access ((delete $map->{last_access})
1252	|| $cf::RUNTIME); #d#
1253	# safety
1254	$map->{instantiate_time} = $cf::RUNTIME
1255	if $map->{instantiate_time} > $cf::RUNTIME;
1256	} else {
1257	if (my $rmp = $path->random_map_params) {
1258	$map = generate_random_map $key, $rmp;
1259	} else {
1260	$map = try_load_header $path->load_path;
1261	}
1262
1263	$map or return;	1992	or return;
1264		1993
1265	$map->{load_original} = 1;
1266	$map->{instantiate_time} = $cf::RUNTIME;
1267	$map->last_access ($cf::RUNTIME);
1268	$map->instantiate;
1269
1270	# per-player maps become, after loading, normal maps
1271	$map->per_player (0) if $path->{user_rel};
1272	}
1273
1274	$map->path ($key);
1275	$map->{path} = $path;
1276	$map->{last_save} = $cf::RUNTIME;	1994	$map->{last_save} = $cf::RUNTIME;
1277		1995
1278	Coro::cede;	1996	$map->load_header
		1997	or return;
1279		1998
1280	if ($map->should_reset) {	1999	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2000	# doing this can freeze the server in a sync job, obviously
		2001	#$cf::WAIT_FOR_TICK->wait;
		2002	undef $guard1;
		2003	undef $guard2;
1281	$map->reset;	2004	$map->reset;
1282	undef $guard;
1283	$map = find $path	2005	return find $path;
1284	or return;
1285	}	2006	}
1286		2007
1287	$cf::MAP{$key} = $map	2008	$cf::MAP{$path} = $map
1288	}	2009	}
1289	}	2010	}
		2011
		2012	sub pre_load { }
		2013	sub post_load { }
1290		2014
1291	sub load {	2015	sub load {
1292	my ($self) = @_;	2016	my ($self) = @_;
1293		2017
		2018	local $self->{deny_reset} = 1; # loading can take a long time
		2019
1294	my $path = $self->{path};	2020	my $path = $self->{path};
		2021
		2022	{
1295	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2023	my $guard = cf::lock_acquire "map_data:$path";
1296		2024
		2025	return unless $self->valid;
1297	return if $self->in_memory != cf::MAP_SWAPPED;	2026	return unless $self->in_memory == cf::MAP_SWAPPED;
1298		2027
1299	$self->in_memory (cf::MAP_LOADING);	2028	$self->in_memory (cf::MAP_LOADING);
1300		2029
1301	$self->alloc;	2030	$self->alloc;
1302	$self->load_objects ($self->{load_path}, 1)	2031
		2032	$self->pre_load;
		2033	cf::cede_to_tick;
		2034
		2035	my $f = new_from_file cf::object::thawer $self->{load_path};
		2036	$f->skip_block;
		2037	$self->_load_objects ($f)
1303	or return;	2038	or return;
1304		2039
1305	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2040	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1306	if delete $self->{load_original};	2041	if delete $self->{load_original};
1307		2042
1308	if (my $uniq = $path->uniq_path) {	2043	if (my $uniq = $self->uniq_path) {
1309	utf8::encode $uniq;	2044	utf8::encode $uniq;
1310	if (aio_open $uniq, O_RDONLY, 0) {	2045	unless (aio_stat $uniq) {
		2046	if (my $f = new_from_file cf::object::thawer $uniq) {
1311	$self->clear_unique_items;	2047	$self->clear_unique_items;
1312	$self->load_objects ($uniq, 0);	2048	$self->_load_objects ($f);
		2049	$f->resolve_delayed_derefs;
		2050	}
1313	}	2051	}
1314	}	2052	}
1315		2053
1316	Coro::cede;	2054	$f->resolve_delayed_derefs;
1317		2055
		2056	cf::cede_to_tick;
1318	# now do the right thing for maps	2057	# now do the right thing for maps
1319	$self->link_multipart_objects;	2058	$self->link_multipart_objects;
1320
1321	if ($self->{path}->is_style_map) {
1322	$self->{deny_save} = 1;
1323	$self->{deny_reset} = 1;
1324	} else {
1325	$self->fix_auto_apply;
1326	$self->decay_objects;
1327	$self->update_buttons;
1328	$self->set_darkness_map;
1329	$self->difficulty ($self->estimate_difficulty)	2059	$self->difficulty ($self->estimate_difficulty)
1330	unless $self->difficulty;	2060	unless $self->difficulty;
		2061	cf::cede_to_tick;
		2062
		2063	unless ($self->{deny_activate}) {
		2064	$self->decay_objects;
		2065	$self->fix_auto_apply;
		2066	$self->update_buttons;
		2067	cf::cede_to_tick;
		2068	$self->set_darkness_map;
		2069	cf::cede_to_tick;
1331	$self->activate;	2070	$self->activate;
1332	}	2071	}
1333		2072
1334	Coro::cede;	2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
1335		2075
1336	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_IN_MEMORY);
		2077	}
		2078
		2079	$self->post_load;
		2080	}
		2081
		2082	sub customise_for {
		2083	my ($self, $ob) = @_;
		2084
		2085	return find "~" . $ob->name . "/" . $self->{path}
		2086	if $self->per_player;
		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
		2091	$self
		2092	}
		2093
		2094	# find and load all maps in the 3x3 area around a map
		2095	sub load_neighbours {
		2096	my ($map) = @_;
		2097
		2098	my @neigh; # diagonal neighbours
		2099
		2100	for (0 .. 3) {
		2101	my $neigh = $map->tile_path ($_)
		2102	or next;
		2103	$neigh = find $neigh, $map
		2104	or next;
		2105	$neigh->load;
		2106
		2107	push @neigh,
		2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2110	}
		2111
		2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
		2114	my $neigh = find $path, $origin
		2115	or next;
		2116	$neigh->load;
		2117	}
1337	}	2118	}
1338		2119
1339	sub find_sync {	2120	sub find_sync {
1340	my ($path, $origin) = @_;	2121	my ($path, $origin) = @_;
1341		2122
1342	cf::sync_job { cf::map::find $path, $origin }	2123	cf::sync_job { find $path, $origin }
1343	}	2124	}
1344		2125
1345	sub do_load_sync {	2126	sub do_load_sync {
1346	my ($map) = @_;	2127	my ($map) = @_;
1347		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1348	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
		2133	}
		2134
		2135	our %MAP_PREFETCH;
		2136	our $MAP_PREFETCHER = undef;
		2137
		2138	sub find_async {
		2139	my ($path, $origin, $load) = @_;
		2140
		2141	$path = normalise $path, $origin && $origin->{path};
		2142
		2143	if (my $map = $cf::MAP{$path}) {
		2144	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2145	}
		2146
		2147	$MAP_PREFETCH{$path} |= $load;
		2148
		2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
		2152	while (%MAP_PREFETCH) {
		2153	while (my ($k, $v) = each %MAP_PREFETCH) {
		2154	if (my $map = find $k) {
		2155	$map->load if $v;
		2156	}
		2157
		2158	delete $MAP_PREFETCH{$k};
		2159	}
		2160	}
		2161	undef $MAP_PREFETCHER;
		2162	};
		2163	$MAP_PREFETCHER->prio (6);
		2164
		2165	()
1349	}	2166	}
1350		2167
1351	sub save {	2168	sub save {
1352	my ($self) = @_;	2169	my ($self) = @_;
1353		2170
1354	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1355		2172
1356	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1357		2174
1358	return unless $self->dirty;	2175	return unless $self->dirty;
1359		2176
1360	my $save = $self->{path}->save_path; utf8::encode $save;	2177	my $save = $self->save_path; utf8::encode $save;
1361	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
1362		2179
1363	$self->{load_path} = $save;	2180	$self->{load_path} = $save;
1364		2181
1365	return if $self->{deny_save};	2182	return if $self->{deny_save};
1366		2183
1367	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1368		2185
1369	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1370	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1371	};	2189	};
1372		2190
1373	if ($uniq) {	2191	if ($uniq) {
1374	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2192	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375	$self->save_objects ($uniq, cf::IO_UNIQUES);	2193	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1376	} else {	2194	} else {
1377	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2195	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378	}	2196	}
1379	}	2197	}
1380		2198
1381	sub swap_out {	2199	sub swap_out {
1382	my ($self) = @_;	2200	my ($self) = @_;
1383		2201
1384	# save first because save cedes	2202	# save first because save cedes
1385	$self->save;	2203	$self->save;
1386		2204
1387	my $lock = cf::lock_acquire "map_data:" . $self->path;	2205	my $lock = cf::lock_acquire "map_data:$self->{path}";
1388		2206
1389	return if $self->players;	2207	return if $self->players;
1390	return if $self->in_memory != cf::MAP_IN_MEMORY;	2208	return if $self->in_memory != cf::MAP_IN_MEMORY;
1391	return if $self->{deny_save};	2209	return if $self->{deny_save};
1392		2210
		2211	$self->in_memory (cf::MAP_SWAPPED);
		2212
		2213	$self->deactivate;
		2214	$_->clear_links_to ($self) for values %cf::MAP;
1393	$self->clear;	2215	$self->clear;
1394	$self->in_memory (cf::MAP_SWAPPED);
1395	}	2216	}
1396		2217
1397	sub reset_at {	2218	sub reset_at {
1398	my ($self) = @_;	2219	my ($self) = @_;
1399		2220
1400	# TODO: safety, remove and allow resettable per-player maps	2221	# TODO: safety, remove and allow resettable per-player maps
1401	return 1e99 if $self->{path}{user_rel};
1402	return 1e99 if $self->{deny_reset};	2222	return 1e99 if $self->{deny_reset};
1403		2223
1404	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2224	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2225	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406		2226
…		…
1411	my ($self) = @_;	2231	my ($self) = @_;
1412		2232
1413	$self->reset_at <= $cf::RUNTIME	2233	$self->reset_at <= $cf::RUNTIME
1414	}	2234	}
1415		2235
1416	sub unlink_save {
1417	my ($self) = @_;
1418
1419	utf8::encode (my $save = $self->{path}->save_path);
1420	aioreq_pri 3; IO::AIO::aio_unlink $save;
1421	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1422	}
1423
1424	sub rename {
1425	my ($self, $new_path) = @_;
1426
1427	$self->unlink_save;
1428
1429	delete $cf::MAP{$self->path};
1430	$self->{path} = new cf::path $new_path;
1431	$self->path ($self->{path}->as_string);
1432	$cf::MAP{$self->path} = $self;
1433
1434	$self->save;
1435	}
1436
1437	sub reset {	2236	sub reset {
1438	my ($self) = @_;	2237	my ($self) = @_;
1439		2238
1440	my $lock = cf::lock_acquire "map_data:" . $self->path;	2239	my $lock = cf::lock_acquire "map_data:$self->{path}";
1441		2240
1442	return if $self->players;	2241	return if $self->players;
1443	return if $self->{path}{user_rel};#d#
1444		2242
1445	warn "resetting map ", $self->path;#d#	2243	warn "resetting map ", $self->path;
		2244
		2245	$self->in_memory (cf::MAP_SWAPPED);
		2246
		2247	# need to save uniques path
		2248	unless ($self->{deny_save}) {
		2249	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2250
		2251	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2252	if $uniq;
		2253	}
1446		2254
1447	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1448		2256
		2257	$self->deactivate;
1449	$_->clear_links_to ($self) for values %cf::MAP;	2258	$_->clear_links_to ($self) for values %cf::MAP;
		2259	$self->clear;
1450		2260
1451	$self->unlink_save;	2261	$self->unlink_save;
1452	$self->destroy;	2262	$self->destroy;
1453	}	2263	}
1454		2264
1455	my $nuke_counter = "aaaa";	2265	my $nuke_counter = "aaaa";
1456		2266
1457	sub nuke {	2267	sub nuke {
1458	my ($self) = @_;	2268	my ($self) = @_;
1459		2269
		2270	{
		2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2272
		2273	delete $cf::MAP{$self->path};
		2274
		2275	$self->unlink_save;
		2276
		2277	bless $self, "cf::map";
		2278	delete $self->{deny_reset};
1460	$self->{deny_save} = 1;	2279	$self->{deny_save} = 1;
1461	$self->reset_timeout (1);	2280	$self->reset_timeout (1);
1462	$self->rename ("{nuke}/" . ($nuke_counter++));	2281	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2282
		2283	$cf::MAP{$self->path} = $self;
		2284	}
		2285
1463	$self->reset; # polite request, might not happen	2286	$self->reset; # polite request, might not happen
1464	}	2287	}
1465		2288
1466	sub customise_for {	2289	=item $maps = cf::map::tmp_maps
1467	my ($map, $ob) = @_;
1468		2290
1469	if ($map->per_player) {	2291	Returns an arrayref with all map paths of currently instantiated and saved
1470	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2292	maps. May block.
		2293
		2294	=cut
		2295
		2296	sub tmp_maps() {
1471	}	2297	[
1472		2298	map {
1473	$map	2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise $_
		2302	: ()
		2303	} @{ aio_readdir $TMPDIR or [] }
		2304	]
1474	}	2305	}
1475		2306
1476	sub emergency_save {	2307	=item $maps = cf::map::random_maps
1477	my $freeze_guard = cf::freeze_mainloop;
1478		2308
1479	warn "enter emergency map save\n";	2309	Returns an arrayref with all map paths of currently instantiated and saved
		2310	random maps. May block.
1480		2311
1481	cf::sync_job {	2312	=cut
1482	warn "begin emergency map save\n";
1483	$_->save for values %cf::MAP;
1484	};
1485		2313
1486	warn "end emergency map save\n";	2314	sub random_maps() {
		2315	[
		2316	map {
		2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise "?random/$_"
		2320	: ()
		2321	} @{ aio_readdir $RANDOMDIR or [] }
		2322	]
		2323	}
		2324
		2325	=item cf::map::unique_maps
		2326
		2327	Returns an arrayref of paths of all shared maps that have
		2328	instantiated unique items. May block.
		2329
		2330	=cut
		2331
		2332	sub unique_maps() {
		2333	[
		2334	map {
		2335	utf8::decode $_;
		2336	/\.map$/
		2337	? normalise $_
		2338	: ()
		2339	} @{ aio_readdir $UNIQUEDIR or [] }
		2340	]
1487	}	2341	}
1488		2342
1489	package cf;	2343	package cf;
1490		2344
1491	=back	2345	=back
1492		2346
		2347	=head3 cf::object
		2348
		2349	=cut
		2350
		2351	package cf::object;
		2352
		2353	=over 4
		2354
		2355	=item $ob->inv_recursive
		2356
		2357	Returns the inventory of the object _and_ their inventories, recursively.
		2358
		2359	=cut
		2360
		2361	sub inv_recursive_;
		2362	sub inv_recursive_ {
		2363	map { $_, inv_recursive_ $_->inv } @_
		2364	}
		2365
		2366	sub inv_recursive {
		2367	inv_recursive_ inv $_[0]
		2368	}
		2369
		2370	=item $ref = $ob->ref
		2371
		2372	creates and returns a persistent reference to an objetc that can be stored as a string.
		2373
		2374	=item $ob = cf::object::deref ($refstring)
		2375
		2376	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2377	even if the object actually exists. May block.
		2378
		2379	=cut
		2380
		2381	sub deref {
		2382	my ($ref) = @_;
		2383
		2384	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2385	my ($uuid, $name) = ($1, $2);
		2386	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2387	or return;
		2388	$pl->ob->uuid eq $uuid
		2389	or return;
		2390
		2391	$pl->ob
		2392	} else {
		2393	warn "$ref: cannot resolve object reference\n";
		2394	undef
		2395	}
		2396	}
		2397
		2398	package cf;
		2399
		2400	=back
1493		2401
1494	=head3 cf::object::player	2402	=head3 cf::object::player
1495		2403
1496	=over 4	2404	=over 4
1497		2405
…		…
1511		2419
1512	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1513		2421
1514	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1515	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1516	} else {	2425	} else {
		2426	my $pl = $self->contr;
		2427
		2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2429	my $dialog = $pl->{npc_dialog};
		2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2431
		2432	} else {
1517	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1518	$self->message ($msg, $flags);	2434	$self->message ($msg, $flags);
		2435	}
1519	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
1520	}	2447	}
1521		2448
1522	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1523		2450
1524	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1537		2464
1538	=item $player_object->enter_link	2465	=item $player_object->enter_link
1539		2466
1540	Freezes the player and moves him/her to a special map (C<{link}>).	2467	Freezes the player and moves him/her to a special map (C<{link}>).
1541		2468
1542	The player should be reaosnably safe there for short amounts of time. You	2469	The player should be reasonably safe there for short amounts of time. You
1543	I<MUST> call C<leave_link> as soon as possible, though.	2470	I<MUST> call C<leave_link> as soon as possible, though.
1544		2471
		2472	Will never block.
		2473
1545	=item $player_object->leave_link ($map, $x, $y)	2474	=item $player_object->leave_link ($map, $x, $y)
1546		2475
1547	Moves the player out of the specila link map onto the given map. If the	2476	Moves the player out of the special C<{link}> map onto the specified
1548	map is not valid (or omitted), the player will be moved back to the	2477	map. If the map is not valid (or omitted), the player will be moved back
1549	location he/she was before the call to C<enter_link>, or, if that fails,	2478	to the location he/she was before the call to C<enter_link>, or, if that
1550	to the emergency map position.	2479	fails, to the emergency map position.
1551		2480
1552	Might block.	2481	Might block.
1553		2482
1554	=cut	2483	=cut
		2484
		2485	sub link_map {
		2486	unless ($LINK_MAP) {
		2487	$LINK_MAP = cf::map::find "{link}"
		2488	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2489	$LINK_MAP->load;
		2490	}
		2491
		2492	$LINK_MAP
		2493	}
1555		2494
1556	sub cf::object::player::enter_link {	2495	sub cf::object::player::enter_link {
1557	my ($self) = @_;	2496	my ($self) = @_;
1558		2497
1559	$self->deactivate_recursive;	2498	$self->deactivate_recursive;
1560		2499
1561	return if $self->map == $LINK_MAP;	2500	return if UNIVERSAL::isa $self->map, "ext::map_link";
1562		2501
1563	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1564	if $self->map;	2503	if $self->map && $self->map->{path} ne "{link}";
1565		2504
1566	$self->enter_map ($LINK_MAP, 20, 20);	2505	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1567	}	2506	}
1568		2507
1569	sub cf::object::player::leave_link {	2508	sub cf::object::player::leave_link {
1570	my ($self, $map, $x, $y) = @_;	2509	my ($self, $map, $x, $y) = @_;
		2510
		2511	return unless $self->contr->active;
1571		2512
1572	my $link_pos = delete $self->{_link_pos};	2513	my $link_pos = delete $self->{_link_pos};
1573		2514
1574	unless ($map) {	2515	unless ($map) {
1575	# restore original map position	2516	# restore original map position
…		…
1589	# use -1 or undef as default coordinates, not 0, 0	2530	# use -1 or undef as default coordinates, not 0, 0
1590	($x, $y) = ($map->enter_x, $map->enter_y)	2531	($x, $y) = ($map->enter_x, $map->enter_y)
1591	if $x <=0 && $y <= 0;	2532	if $x <=0 && $y <= 0;
1592		2533
1593	$map->load;	2534	$map->load;
		2535	$map->load_neighbours;
1594		2536
1595	return unless $self->contr->active;	2537	return unless $self->contr->active;
1596	$self->activate_recursive;	2538	$self->activate_recursive;
		2539
		2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1597	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1598	}	2542	}
1599		2543
1600	cf::player->attach (	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1601	on_logout => sub {
1602	my ($pl) = @_;
1603		2545
1604	# abort map switching before logout	2546	Moves the player to the given map-path and coordinates by first freezing
1605	if ($pl->ob->{_link_pos}) {	2547	her, loading and preparing them map, calling the provided $check callback
1606	cf::sync_job {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1607	$pl->ob->leave_link	2549	the new (success) or old (failed) map position. In either case, $done will
1608	};	2550	be called at the end of this process.
1609	}
1610	},
1611	on_login => sub {
1612	my ($pl) = @_;
1613		2551
1614	# try to abort aborted map switching on player login :)
1615	# should happen only on crashes
1616	if ($pl->ob->{_link_pos}) {
1617	$pl->ob->enter_link;
1618	(async {
1619	# we need this sleep as the login has a concurrent enter_exit running
1620	# and this sleep increases chances of the player not ending up in scorn
1621	$pl->ob->reply (undef,
1622	"There was an internal problem at your last logout, "
1623	. "the server will try to bring you to your intended destination in a second.",
1624	cf::NDI_RED);
1625	Coro::Timer::sleep 1;
1626	$pl->ob->leave_link;
1627	})->prio (2);
1628	}
1629	},
1630	);
1631
1632	=item $player_object->goto ($path, $x, $y)
1633
1634	=cut	2552	=cut
		2553
		2554	our $GOTOGEN;
1635		2555
1636	sub cf::object::player::goto {	2556	sub cf::object::player::goto {
1637	my ($self, $path, $x, $y) = @_;	2557	my ($self, $path, $x, $y, $check, $done) = @_;
		2558
		2559	# do generation counting so two concurrent goto's will be executed in-order
		2560	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1638		2561
1639	$self->enter_link;	2562	$self->enter_link;
1640		2563
1641	(async {	2564	(async {
1642	$path = new cf::path $path;	2565	$Coro::current->{desc} = "player::goto $path $x $y";
1643		2566
1644	my $map = cf::map::find $path->as_string;	2567	# *tag paths override both path and x|y
		2568	if ($path =~ /^\*(.*)$/) {
		2569	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2570	my $ob = $obs[rand @obs];
		2571
		2572	# see if we actually can go there
		2573	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2574	$ob = $obs[rand @obs];
		2575	} else {
		2576	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2577	}
		2578	# else put us there anyways for now #d#
		2579
		2580	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2581	} else {
		2582	($path, $x, $y) = (undef, undef, undef);
		2583	}
		2584	}
		2585
		2586	my $map = eval {
		2587	my $map = defined $path ? cf::map::find $path : undef;
		2588
		2589	if ($map) {
1645	$map = $map->customise_for ($self) if $map;	2590	$map = $map->customise_for ($self);
1646		2591	$map = $check->($map) if $check && $map;
1647	# warn "entering ", $map->path, " at ($x, $y)\n"	2592	} else {
1648	# if $map;
1649
1650	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2593	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	}
1651		2595
		2596	$map
		2597	};
		2598
		2599	if ($@) {
		2600	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2601	LOG llevError | logBacktrace, Carp::longmess $@;
		2602	}
		2603
		2604	if ($gen == $self->{_goto_generation}) {
		2605	delete $self->{_goto_generation};
1652	$self->leave_link ($map, $x, $y);	2606	$self->leave_link ($map, $x, $y);
		2607	}
		2608
		2609	$done->() if $done;
1653	})->prio (1);	2610	})->prio (1);
1654	}	2611	}
1655		2612
1656	=item $player_object->enter_exit ($exit_object)	2613	=item $player_object->enter_exit ($exit_object)
1657		2614
…		…
1659		2616
1660	sub parse_random_map_params {	2617	sub parse_random_map_params {
1661	my ($spec) = @_;	2618	my ($spec) = @_;
1662		2619
1663	my $rmp = { # defaults	2620	my $rmp = { # defaults
1664	xsize => 10,	2621	xsize => (cf::rndm 15, 40),
1665	ysize => 10,	2622	ysize => (cf::rndm 15, 40),
		2623	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2624	#layout => string,
1666	};	2625	};
1667		2626
1668	for (split /\n/, $spec) {	2627	for (split /\n/, $spec) {
1669	my ($k, $v) = split /\s+/, $_, 2;	2628	my ($k, $v) = split /\s+/, $_, 2;
1670		2629
…		…
1674	$rmp	2633	$rmp
1675	}	2634	}
1676		2635
1677	sub prepare_random_map {	2636	sub prepare_random_map {
1678	my ($exit) = @_;	2637	my ($exit) = @_;
		2638
		2639	my $guard = cf::lock_acquire "exit_prepare:$exit";
1679		2640
1680	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
1681	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
1682	# that depends on the exit object	2643	# that depends on the exit object
1683		2644
1684	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
1685		2646
1686	if ($exit->map) {	2647	if ($exit->map) {
1687	$rmp->{region} = $exit->map->region_name;	2648	$rmp->{region} = $exit->region->name;
1688	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
1689	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
1690	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
1691	}	2652	}
1692		2653
1693	$rmp->{random_seed} ||= $exit->random_seed;	2654	$rmp->{random_seed} ||= $exit->random_seed;
1694		2655
1695	my $data = cf::to_json $rmp;	2656	my $data = cf::encode_json $rmp;
1696	my $md5 = Digest::MD5::md5_hex $data;	2657	my $md5 = Digest::MD5::md5_hex $data;
		2658	my $meta = "$RANDOMDIR/$md5.meta";
1697		2659
1698	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2660	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1699	aio_write $fh, 0, (length $data), $data, 0;	2661	aio_write $fh, 0, (length $data), $data, 0;
		2662	undef $fh;
		2663	aio_rename "$meta~", $meta;
1700		2664
1701	$exit->slaying ("?random/$md5");	2665	$exit->slaying ("?random/$md5");
1702	$exit->msg (undef);	2666	$exit->msg (undef);
1703	}	2667	}
1704	}	2668	}
…		…
1706	sub cf::object::player::enter_exit {	2670	sub cf::object::player::enter_exit {
1707	my ($self, $exit) = @_;	2671	my ($self, $exit) = @_;
1708		2672
1709	return unless $self->type == cf::PLAYER;	2673	return unless $self->type == cf::PLAYER;
1710		2674
		2675	if ($exit->slaying eq "/!") {
		2676	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2677	# the problem is that $exit might not survive long enough
		2678	# so it needs to be done right now, right here
		2679	cf::sync_job { prepare_random_map $exit };
		2680	}
		2681
		2682	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2683	my $hp = $exit->stats->hp;
		2684	my $sp = $exit->stats->sp;
		2685
1711	$self->enter_link;	2686	$self->enter_link;
1712		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($slaying, $hp, $sp)
		2690	if $exit->flag (FLAG_DAMNED);
		2691
1713	(async {	2692	(async {
		2693	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2694
1714	$self->deactivate_recursive; # just to be sure	2695	$self->deactivate_recursive; # just to be sure
1715	unless (eval {	2696	unless (eval {
1716	prepare_random_map $exit	2697	$self->goto ($slaying, $hp, $sp);
1717	if $exit->slaying eq "/!";
1718
1719	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1720	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1721		2698
1722	1;	2699	1;
1723	}) {	2700	}) {
1724	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the crossfire server. "
1725	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
1726	. "Please report this to the dungeon master",	2703	. "Please report this to the dungeon master!",
1727	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
1728		2705
1729	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
1730	$self->leave_link;	2707	$self->leave_link;
1731	}	2708	}
1732	})->prio (1);	2709	})->prio (1);
…		…
1745		2722
1746	sub cf::client::send_drawinfo {	2723	sub cf::client::send_drawinfo {
1747	my ($self, $text, $flags) = @_;	2724	my ($self, $text, $flags) = @_;
1748		2725
1749	utf8::encode $text;	2726	utf8::encode $text;
1750	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1751	}	2728	}
1752		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/uptime" => {
		2778	id => "infobox",
		2779	title => "Uptime",
		2780	reply => undef,
		2781	tooltip => "How long the server has been running since last restart",
		2782	},
		2783	"c/mapinfo" => {
		2784	id => "infobox",
		2785	title => "Map Info",
		2786	reply => undef,
		2787	tooltip => "Information related to the maps",
		2788	},
		2789	);
		2790
		2791	sub cf::client::send_msg {
		2792	my ($self, $channel, $msg, $color, @extra) = @_;
		2793
		2794	$msg = $self->pl->expand_cfpod ($msg);
		2795
		2796	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2797
		2798	# check predefined channels, for the benefit of C
		2799	if ($CHANNEL{$channel}) {
		2800	$channel = $CHANNEL{$channel};
		2801
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804
		2805	$channel = $channel->{id};
		2806
		2807	} elsif (ref $channel) {
		2808	# send meta info to client, if not yet sent
		2809	unless (exists $self->{channel}{$channel->{id}}) {
		2810	$self->{channel}{$channel->{id}} = $channel;
		2811	$self->ext_msg (channel_info => $channel)
		2812	if $self->can_msg;
		2813	}
		2814
		2815	$channel = $channel->{id};
		2816	}
		2817
		2818	return unless @extra || length $msg;
		2819
		2820	if ($self->can_msg) {
		2821	# default colour, mask it out
		2822	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2823	if $color & cf::NDI_DEF;
		2824
		2825	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2827	} else {
		2828	if ($color >= 0) {
		2829	# replace some tags by gcfclient-compatible ones
		2830	for ($msg) {
		2831	1 while
		2832	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2833	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2834	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2835	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2836	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2837	}
		2838
		2839	$color &= cf::NDI_COLOR_MASK;
		2840
		2841	utf8::encode $msg;
		2842
		2843	if (0 && $msg =~ /\[/) {
		2844	# COMMAND/INFO
		2845	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2846	} else {
		2847	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2848	$self->send_packet ("drawinfo $color $msg")
		2849	}
		2850	}
		2851	}
		2852	}
		2853
		2854	=item $client->ext_msg ($type, @msg)
		2855
		2856	Sends an ext event to the client.
		2857
		2858	=cut
		2859
		2860	sub cf::client::ext_msg($$@) {
		2861	my ($self, $type, @msg) = @_;
		2862
		2863	if ($self->extcmd == 2) {
		2864	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2865	} elsif ($self->extcmd == 1) { # TODO: remove
		2866	push @msg, msgtype => "event_$type";
		2867	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2868	}
		2869	}
		2870
		2871	=item $client->ext_reply ($msgid, @msg)
		2872
		2873	Sends an ext reply to the client.
		2874
		2875	=cut
		2876
		2877	sub cf::client::ext_reply($$@) {
		2878	my ($self, $id, @msg) = @_;
		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2882	} elsif ($self->extcmd == 1) {
		2883	#TODO: version 1, remove
		2884	unshift @msg, msgtype => "reply", msgid => $id;
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2886	}
		2887	}
1753		2888
1754	=item $success = $client->query ($flags, "text", \&cb)	2889	=item $success = $client->query ($flags, "text", \&cb)
1755		2890
1756	Queues a query to the client, calling the given callback with	2891	Queues a query to the client, calling the given callback with
1757	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2892	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1758	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2893	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1759		2894
1760	Queries can fail, so check the return code. Or don't, as queries will become	2895	Queries can fail, so check the return code. Or don't, as queries will
1761	reliable at some point in the future.	2896	become reliable at some point in the future.
1762		2897
1763	=cut	2898	=cut
1764		2899
1765	sub cf::client::query {	2900	sub cf::client::query {
1766	my ($self, $flags, $text, $cb) = @_;	2901	my ($self, $flags, $text, $cb) = @_;
…		…
1774	utf8::encode $text;	2909	utf8::encode $text;
1775	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2910	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1776		2911
1777	$self->send_packet ($self->{query_queue}[0][0])	2912	$self->send_packet ($self->{query_queue}[0][0])
1778	if @{ $self->{query_queue} } == 1;	2913	if @{ $self->{query_queue} } == 1;
		2914
		2915	1
1779	}	2916	}
1780		2917
1781	cf::client->attach (	2918	cf::client->attach (
		2919	on_connect => sub {
		2920	my ($ns) = @_;
		2921
		2922	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2923	},
1782	on_reply => sub {	2924	on_reply => sub {
1783	my ($ns, $msg) = @_;	2925	my ($ns, $msg) = @_;
1784		2926
1785	# this weird shuffling is so that direct followup queries	2927	# this weird shuffling is so that direct followup queries
1786	# get handled first	2928	# get handled first
1787	my $queue = delete $ns->{query_queue}	2929	my $queue = delete $ns->{query_queue}
1788	or return; # be conservative, not sure how that can happen, but we saw a crash here	2930	or return; # be conservative, not sure how that can happen, but we saw a crash here
1789		2931
1790	(shift @$queue)->[1]->($msg);	2932	(shift @$queue)->[1]->($msg);
		2933	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1791		2934
1792	push @{ $ns->{query_queue} }, @$queue;	2935	push @{ $ns->{query_queue} }, @$queue;
1793		2936
1794	if (@{ $ns->{query_queue} } == @$queue) {	2937	if (@{ $ns->{query_queue} } == @$queue) {
1795	if (@$queue) {	2938	if (@$queue) {
…		…
1797	} else {	2940	} else {
1798	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2941	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1799	}	2942	}
1800	}	2943	}
1801	},	2944	},
		2945	on_exticmd => sub {
		2946	my ($ns, $buf) = @_;
		2947
		2948	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2949
		2950	if (ref $msg) {
		2951	my ($type, $reply, @payload) =
		2952	"ARRAY" eq ref $msg
		2953	? @$msg
		2954	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2955
		2956	my @reply;
		2957
		2958	if (my $cb = $EXTICMD{$type}) {
		2959	@reply = $cb->($ns, @payload);
		2960	}
		2961
		2962	$ns->ext_reply ($reply, @reply)
		2963	if $reply;
		2964
		2965	} else {
		2966	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2967	}
		2968
		2969	cf::override;
		2970	},
1802	);	2971	);
1803		2972
1804	=item $client->async (\&cb)	2973	=item $client->async (\&cb)
1805		2974
1806	Create a new coroutine, running the specified callback. The coroutine will	2975	Create a new coroutine, running the specified callback. The coroutine will
…		…
1847	our $safe = new Safe "safe";	3016	our $safe = new Safe "safe";
1848	our $safe_hole = new Safe::Hole;	3017	our $safe_hole = new Safe::Hole;
1849		3018
1850	$SIG{FPE} = 'IGNORE';	3019	$SIG{FPE} = 'IGNORE';
1851		3020
1852	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3021	$safe->permit_only (Opcode::opset qw(
		3022	:base_core :base_mem :base_orig :base_math
		3023	grepstart grepwhile mapstart mapwhile
		3024	sort time
		3025	));
1853		3026
1854	# here we export the classes and methods available to script code	3027	# here we export the classes and methods available to script code
1855		3028
1856	=pod	3029	=pod
1857		3030
1858	The following fucntions and emthods are available within a safe environment:	3031	The following functions and methods are available within a safe environment:
1859		3032
1860	cf::object contr pay_amount pay_player map	3033	cf::object
		3034	contr pay_amount pay_player map x y force_find force_add destroy
		3035	insert remove name archname title slaying race decrease_ob_nr
		3036
1861	cf::object::player player	3037	cf::object::player
1862	cf::player peaceful	3038	player
1863	cf::map trigger	3039
		3040	cf::player
		3041	peaceful
		3042
		3043	cf::map
		3044	trigger
1864		3045
1865	=cut	3046	=cut
1866		3047
1867	for (	3048	for (
1868	["cf::object" => qw(contr pay_amount pay_player map)],	3049	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3050	insert remove inv name archname title slaying race
		3051	decrease_ob_nr destroy)],
1869	["cf::object::player" => qw(player)],	3052	["cf::object::player" => qw(player)],
1870	["cf::player" => qw(peaceful)],	3053	["cf::player" => qw(peaceful)],
1871	["cf::map" => qw(trigger)],	3054	["cf::map" => qw(trigger)],
1872	) {	3055	) {
1873	no strict 'refs';	3056	no strict 'refs';
…		…
1944	=back	3127	=back
1945		3128
1946	=cut	3129	=cut
1947		3130
1948	#############################################################################	3131	#############################################################################
		3132	# the server's init and main functions
1949		3133
1950	=head2 EXTENSION DATABASE SUPPORT	3134	sub load_facedata($) {
		3135	my ($path) = @_;
1951		3136
1952	Crossfire maintains a very simple database for extension use. It can	3137	# HACK to clear player env face cache, we need some signal framework
1953	currently store anything that can be serialised using Storable, which	3138	# for this (global event?)
1954	excludes objects.	3139	%ext::player_env::MUSIC_FACE_CACHE = ();
1955		3140
1956	The parameter C<$family> should best start with the name of the extension	3141	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1957	using it, it should be unique.
1958		3142
1959	=over 4	3143	warn "loading facedata from $path\n";
1960		3144
1961	=item $hashref = cf::db_get $family	3145	my $facedata;
		3146	0 < aio_load $path, $facedata
		3147	or die "$path: $!";
1962		3148
1963	Return a hashref for use by the extension C<$family>, which can be	3149	$facedata = Coro::Storable::thaw $facedata;
1964	modified. After modifications, you have to call C<cf::db_dirty> or
1965	C<cf::db_sync>.
1966		3150
1967	=item $value = cf::db_get $family => $key	3151	$facedata->{version} == 2
		3152	or cf::cleanup "$path: version mismatch, cannot proceed.";
1968		3153
1969	Returns a single value from the database	3154	# patch in the exptable
1970		3155	$facedata->{resource}{"res/exp_table"} = {
1971	=item cf::db_put $family => $hashref	3156	type => FT_RSRC,
1972		3157	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1973	Stores the given family hashref into the database. Updates are delayed, if
1974	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1975
1976	=item cf::db_put $family => $key => $value
1977
1978	Stores the given C<$value> in the family hash. Updates are delayed, if you
1979	want the data to be synced to disk immediately, use C<cf::db_sync>.
1980
1981	=item cf::db_dirty
1982
1983	Marks the database as dirty, to be updated at a later time.
1984
1985	=item cf::db_sync
1986
1987	Immediately write the database to disk I<if it is dirty>.
1988
1989	=cut
1990
1991	our $DB;
1992
1993	{
1994	my $path = cf::localdir . "/database.pst";
1995
1996	sub db_load() {
1997	$DB = stat $path ? Storable::retrieve $path : { };
1998	}
1999
2000	my $pid;
2001
2002	sub db_save() {
2003	waitpid $pid, 0 if $pid;
2004	if (0 == ($pid = fork)) {
2005	$DB->{_meta}{version} = 1;
2006	Storable::nstore $DB, "$path~";
2007	rename "$path~", $path;
2008	cf::_exit 0 if defined $pid;
2009	}
2010	}
2011
2012	my $dirty;
2013
2014	sub db_sync() {
2015	db_save if $dirty;
2016	undef $dirty;
2017	}
2018
2019	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2020	db_sync;
2021	});	3158	};
		3159	cf::cede_to_tick;
2022		3160
2023	sub db_dirty() {
2024	$dirty = 1;
2025	$idle->start;
2026	}	3161	{
		3162	my $faces = $facedata->{faceinfo};
2027		3163
2028	sub db_get($;$) {	3164	while (my ($face, $info) = each %$faces) {
2029	@_ >= 2	3165	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2030	? $DB->{$_[0]}{$_[1]}
2031	: ($DB->{$_[0]} ||= { })
2032	}
2033		3166
2034	sub db_put($$;$) {	3167	cf::face::set_visibility $idx, $info->{visibility};
2035	if (@_ >= 3) {	3168	cf::face::set_magicmap $idx, $info->{magicmap};
2036	$DB->{$_[0]}{$_[1]} = $_[2];	3169	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2037	} else {	3170	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2038	$DB->{$_[0]} = $_[1];
2039	}
2040	db_dirty;
2041	}
2042		3171
2043	cf::global->attach (	3172	cf::cede_to_tick;
2044	prio => 10000,
2045	on_cleanup => sub {
2046	db_sync;
2047	},	3173	}
2048	);
2049	}
2050		3174
2051	#############################################################################	3175	while (my ($face, $info) = each %$faces) {
2052	# the server's main()	3176	next unless $info->{smooth};
2053		3177
2054	sub cfg_load {	3178	my $idx = cf::face::find $face
		3179	or next;
		3180
		3181	if (my $smooth = cf::face::find $info->{smooth}) {
		3182	cf::face::set_smooth $idx, $smooth;
		3183	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3184	} else {
		3185	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3186	}
		3187
		3188	cf::cede_to_tick;
		3189	}
		3190	}
		3191
		3192	{
		3193	my $anims = $facedata->{animinfo};
		3194
		3195	while (my ($anim, $info) = each %$anims) {
		3196	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3197	cf::cede_to_tick;
		3198	}
		3199
		3200	cf::anim::invalidate_all; # d'oh
		3201	}
		3202
		3203	{
		3204	# TODO: for gcfclient pleasure, we should give resources
		3205	# that gcfclient doesn't grok a >10000 face index.
		3206	my $res = $facedata->{resource};
		3207
		3208	while (my ($name, $info) = each %$res) {
		3209	if (defined $info->{type}) {
		3210	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3211	my $data;
		3212
		3213	if ($info->{type} & 1) {
		3214	# prepend meta info
		3215
		3216	my $meta = $enc->encode ({
		3217	name => $name,
		3218	%{ $info->{meta} || {} },
		3219	});
		3220
		3221	$data = pack "(w/a*)*", $meta, $info->{data};
		3222	} else {
		3223	$data = $info->{data};
		3224	}
		3225
		3226	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3227	cf::face::set_type $idx, $info->{type};
		3228	} else {
		3229	$RESOURCE{$name} = $info;
		3230	}
		3231
		3232	cf::cede_to_tick;
		3233	}
		3234	}
		3235
		3236	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3237
		3238	1
		3239	}
		3240
		3241	cf::global->attach (on_resource_update => sub {
		3242	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3243	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3244
		3245	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3246	my $sound = $soundconf->{compat}[$_]
		3247	or next;
		3248
		3249	my $face = cf::face::find "sound/$sound->[1]";
		3250	cf::sound::set $sound->[0] => $face;
		3251	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3252	}
		3253
		3254	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3255	my $face = cf::face::find "sound/$v";
		3256	cf::sound::set $k => $face;
		3257	}
		3258	}
		3259	});
		3260
		3261	register_exticmd fx_want => sub {
		3262	my ($ns, $want) = @_;
		3263
		3264	while (my ($k, $v) = each %$want) {
		3265	$ns->fx_want ($k, $v);
		3266	}
		3267	};
		3268
		3269	sub reload_regions {
		3270	# HACK to clear player env face cache, we need some signal framework
		3271	# for this (global event?)
		3272	%ext::player_env::MUSIC_FACE_CACHE = ();
		3273
		3274	load_resource_file "$MAPDIR/regions"
		3275	or die "unable to load regions file\n";
		3276
		3277	for (cf::region::list) {
		3278	$_->{match} = qr/$_->{match}/
		3279	if exists $_->{match};
		3280	}
		3281	}
		3282
		3283	sub reload_facedata {
		3284	load_facedata "$DATADIR/facedata"
		3285	or die "unable to load facedata\n";
		3286	}
		3287
		3288	sub reload_archetypes {
		3289	load_resource_file "$DATADIR/archetypes"
		3290	or die "unable to load archetypes\n";
		3291	#d# NEED to laod twice to resolve forward references
		3292	# this really needs to be done in an extra post-pass
		3293	# (which needs to be synchronous, so solve it differently)
		3294	load_resource_file "$DATADIR/archetypes"
		3295	or die "unable to load archetypes\n";
		3296	}
		3297
		3298	sub reload_treasures {
		3299	load_resource_file "$DATADIR/treasures"
		3300	or die "unable to load treasurelists\n";
		3301	}
		3302
		3303	sub reload_resources {
		3304	warn "reloading resource files...\n";
		3305
		3306	reload_regions;
		3307	reload_facedata;
		3308	#reload_archetypes;#d#
		3309	reload_archetypes;
		3310	reload_treasures;
		3311
		3312	warn "finished reloading resource files\n";
		3313	}
		3314
		3315	sub init {
		3316	reload_resources;
		3317	}
		3318
		3319	sub reload_config {
2055	open my $fh, "<:utf8", cf::confdir . "/config"	3320	open my $fh, "<:utf8", "$CONFDIR/config"
2056	or return;	3321	or return;
2057		3322
2058	local $/;	3323	local $/;
2059	*CFG = YAML::Syck::Load <$fh>;	3324	*CFG = YAML::Load <$fh>;
2060		3325
2061	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3326	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2062		3327
2063	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3328	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2064	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3329	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2065		3330
2066	if (exists $CFG{mlockall}) {	3331	if (exists $CFG{mlockall}) {
2067	eval {	3332	eval {
2068	$CFG{mlockall} ? &mlockall : &munlockall	3333	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2069	and die "WARNING: m(un)lockall failed: $!\n";	3334	and die "WARNING: m(un)lockall failed: $!\n";
2070	};	3335	};
2071	warn $@ if $@;	3336	warn $@ if $@;
2072	}	3337	}
2073	}	3338	}
2074		3339
2075	sub main {	3340	sub main {
2076	# we must not ever block the main coroutine	3341	# we must not ever block the main coroutine
2077	local $Coro::idle = sub {	3342	local $Coro::idle = sub {
2078	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3343	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2079	async { Event::one_event };	3344	(async {
		3345	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3346	EV::loop EV::LOOP_ONESHOT;
		3347	})->prio (Coro::PRIO_MAX);
2080	};	3348	};
2081		3349
2082	cfg_load;	3350	reload_config;
2083	db_load;	3351	db_init;
2084	load_extensions;	3352	load_extensions;
		3353
		3354	$TICK_WATCHER->start;
		3355	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2085	Event::loop;	3356	EV::loop;
2086	}	3357	}
2087		3358
2088	#############################################################################	3359	#############################################################################
2089	# initialisation	3360	# initialisation and cleanup
2090		3361
		3362	# install some emergency cleanup handlers
		3363	BEGIN {
		3364	our %SIGWATCHER = ();
		3365	for my $signal (qw(INT HUP TERM)) {
		3366	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3367	cf::cleanup "SIG$signal";
		3368	};
		3369	}
		3370	}
		3371
		3372	sub write_runtime {
		3373	my $runtime = "$LOCALDIR/runtime";
		3374
		3375	# first touch the runtime file to show we are still running:
		3376	# the fsync below can take a very very long time.
		3377
		3378	IO::AIO::aio_utime $runtime, undef, undef;
		3379
		3380	my $guard = cf::lock_acquire "write_runtime";
		3381
		3382	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3383	or return;
		3384
		3385	my $value = $cf::RUNTIME + 90 + 10;
		3386	# 10 is the runtime save interval, for a monotonic clock
		3387	# 60 allows for the watchdog to kill the server.
		3388
		3389	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3390	and return;
		3391
		3392	# always fsync - this file is important
		3393	aio_fsync $fh
		3394	and return;
		3395
		3396	# touch it again to show we are up-to-date
		3397	aio_utime $fh, undef, undef;
		3398
		3399	close $fh
		3400	or return;
		3401
		3402	aio_rename "$runtime~", $runtime
		3403	and return;
		3404
		3405	warn "runtime file written.\n";
		3406
		3407	1
		3408	}
		3409
		3410	sub emergency_save() {
		3411	my $freeze_guard = cf::freeze_mainloop;
		3412
		3413	warn "enter emergency perl save\n";
		3414
		3415	cf::sync_job {
		3416	# use a peculiar iteration method to avoid tripping on perl
		3417	# refcount bugs in for. also avoids problems with players
		3418	# and maps saved/destroyed asynchronously.
		3419	warn "begin emergency player save\n";
		3420	for my $login (keys %cf::PLAYER) {
		3421	my $pl = $cf::PLAYER{$login} or next;
		3422	$pl->valid or next;
		3423	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3424	$pl->save;
		3425	}
		3426	warn "end emergency player save\n";
		3427
		3428	warn "begin emergency map save\n";
		3429	for my $path (keys %cf::MAP) {
		3430	my $map = $cf::MAP{$path} or next;
		3431	$map->valid or next;
		3432	$map->save;
		3433	}
		3434	warn "end emergency map save\n";
		3435
		3436	warn "begin emergency database checkpoint\n";
		3437	BDB::db_env_txn_checkpoint $DB_ENV;
		3438	warn "end emergency database checkpoint\n";
		3439	};
		3440
		3441	warn "leave emergency perl save\n";
		3442	}
		3443
		3444	sub post_cleanup {
		3445	my ($make_core) = @_;
		3446
		3447	warn Carp::longmess "post_cleanup backtrace"
		3448	if $make_core;
		3449	}
		3450
2091	sub reload() {	3451	sub do_reload_perl() {
2092	# can/must only be called in main	3452	# can/must only be called in main
2093	if ($Coro::current != $Coro::main) {	3453	if ($Coro::current != $Coro::main) {
2094	warn "can only reload from main coroutine\n";	3454	warn "can only reload from main coroutine";
2095	return;	3455	return;
2096	}	3456	}
2097		3457
2098	warn "reloading...";	3458	warn "reloading...";
2099		3459
2100	my $guard = freeze_mainloop;	3460	warn "entering sync_job";
		3461
		3462	cf::sync_job {
		3463	cf::write_runtime; # external watchdog should not bark
2101	cf::emergency_save;	3464	cf::emergency_save;
		3465	cf::write_runtime; # external watchdog should not bark
2102		3466
2103	eval {	3467	warn "syncing database to disk";
		3468	BDB::db_env_txn_checkpoint $DB_ENV;
		3469
2104	# if anything goes wrong in here, we should simply crash as we already saved	3470	# if anything goes wrong in here, we should simply crash as we already saved
2105		3471
2106	# cancel all watchers	3472	warn "flushing outstanding aio requests";
2107	for (Event::all_watchers) {	3473	for (;;) {
2108	$_->cancel if $_->data & WF_AUTOCANCEL;	3474	BDB::flush;
		3475	IO::AIO::flush;
		3476	Coro::cede_notself;
		3477	last unless IO::AIO::nreqs || BDB::nreqs;
		3478	warn "iterate...";
2109	}	3479	}
2110		3480
		3481	++$RELOAD;
		3482
2111	# cancel all extension coros	3483	warn "cancelling all extension coros";
2112	$_->cancel for values %EXT_CORO;	3484	$_->cancel for values %EXT_CORO;
2113	%EXT_CORO = ();	3485	%EXT_CORO = ();
2114		3486
2115	# unload all extensions	3487	warn "removing commands";
2116	for (@exts) {	3488	%COMMAND = ();
		3489
		3490	warn "removing ext/exti commands";
		3491	%EXTCMD = ();
		3492	%EXTICMD = ();
		3493
		3494	warn "unloading/nuking all extensions";
		3495	for my $pkg (@EXTS) {
2117	warn "unloading <$_>";	3496	warn "... unloading $pkg";
2118	unload_extension $_;	3497
		3498	if (my $cb = $pkg->can ("unload")) {
		3499	eval {
		3500	$cb->($pkg);
		3501	1
		3502	} or warn "$pkg unloaded, but with errors: $@";
2119	}	3503	}
2120		3504
		3505	warn "... nuking $pkg";
		3506	Symbol::delete_package $pkg;
		3507	}
		3508
2121	# unload all modules loaded from $LIBDIR	3509	warn "unloading all perl modules loaded from $LIBDIR";
2122	while (my ($k, $v) = each %INC) {	3510	while (my ($k, $v) = each %INC) {
2123	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3511	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2124		3512
2125	warn "removing <$k>";	3513	warn "... unloading $k";
2126	delete $INC{$k};	3514	delete $INC{$k};
2127		3515
2128	$k =~ s/\.pm$//;	3516	$k =~ s/\.pm$//;
2129	$k =~ s/\//::/g;	3517	$k =~ s/\//::/g;
2130		3518
…		…
2133	}	3521	}
2134		3522
2135	Symbol::delete_package $k;	3523	Symbol::delete_package $k;
2136	}	3524	}
2137		3525
2138	# sync database to disk
2139	cf::db_sync;
2140	IO::AIO::flush;
2141
2142	# get rid of safe::, as good as possible	3526	warn "getting rid of safe::, as good as possible";
2143	Symbol::delete_package "safe::$_"	3527	Symbol::delete_package "safe::$_"
2144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2145		3529
2146	# remove register_script_function callbacks
2147	# TODO
2148
2149	# unload cf.pm "a bit"	3530	warn "unloading cf.pm \"a bit\"";
2150	delete $INC{"cf.pm"};	3531	delete $INC{"cf.pm"};
		3532	delete $INC{"cf/pod.pm"};
2151		3533
2152	# don't, removes xs symbols, too,	3534	# don't, removes xs symbols, too,
2153	# and global variables created in xs	3535	# and global variables created in xs
2154	#Symbol::delete_package __PACKAGE__;	3536	#Symbol::delete_package __PACKAGE__;
2155		3537
2156	# reload cf.pm	3538	warn "unload completed, starting to reload now";
		3539
2157	warn "reloading cf.pm";	3540	warn "reloading cf.pm";
2158	require cf;	3541	require cf;
2159	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3542	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2160		3543
2161	# load config and database again	3544	warn "loading config and database again";
2162	cf::cfg_load;	3545	cf::reload_config;
2163	cf::db_load;
2164		3546
2165	# load extensions
2166	warn "load extensions";	3547	warn "loading extensions";
2167	cf::load_extensions;	3548	cf::load_extensions;
2168		3549
2169	# reattach attachments to objects	3550	warn "reattaching attachments to objects/players";
2170	warn "reattach";	3551	_global_reattach; # objects, sockets
2171	_global_reattach;	3552	warn "reattaching attachments to maps";
		3553	reattach $_ for values %MAP;
		3554	warn "reattaching attachments to players";
		3555	reattach $_ for values %PLAYER;
		3556
		3557	warn "leaving sync_job";
		3558
		3559	1
		3560	} or do {
		3561	warn $@;
		3562	cf::cleanup "error while reloading, exiting.";
2172	};	3563	};
2173		3564
2174	if ($@) {	3565	warn "reloaded";
2175	warn $@;
2176	warn "error while reloading, exiting.";
2177	exit 1;
2178	}
2179
2180	warn "reloaded successfully";
2181	};	3566	};
2182		3567
2183	#############################################################################	3568	our $RELOAD_WATCHER; # used only during reload
2184		3569
2185	unless ($LINK_MAP) {	3570	sub reload_perl() {
2186	$LINK_MAP = cf::map::new;	3571	# doing reload synchronously and two reloads happen back-to-back,
		3572	# coro crashes during coro_state_free->destroy here.
2187		3573
2188	$LINK_MAP->width (41);	3574	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2189	$LINK_MAP->height (41);	3575	do_reload_perl;
2190	$LINK_MAP->alloc;	3576	undef $RELOAD_WATCHER;
2191	$LINK_MAP->path ("{link}");	3577	};
2192	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2193	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2194
2195	# dirty hack because... archetypes are not yet loaded
2196	Event->timer (
2197	after => 10,
2198	cb => sub {
2199	$_[0]->w->cancel;
2200
2201	# provide some exits "home"
2202	my $exit = cf::object::new "exit";
2203
2204	$exit->slaying ($EMERGENCY_POSITION->[0]);
2205	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2206	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2207
2208	$LINK_MAP->insert ($exit->clone, 19, 19);
2209	$LINK_MAP->insert ($exit->clone, 19, 20);
2210	$LINK_MAP->insert ($exit->clone, 19, 21);
2211	$LINK_MAP->insert ($exit->clone, 20, 19);
2212	$LINK_MAP->insert ($exit->clone, 20, 21);
2213	$LINK_MAP->insert ($exit->clone, 21, 19);
2214	$LINK_MAP->insert ($exit->clone, 21, 20);
2215	$LINK_MAP->insert ($exit->clone, 21, 21);
2216
2217	$exit->destroy;
2218	});
2219
2220	$LINK_MAP->{deny_save} = 1;
2221	$LINK_MAP->{deny_reset} = 1;
2222
2223	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2224	}	3578	}
2225
2226	register "<global>", __PACKAGE__;
2227		3579
2228	register_command "reload" => sub {	3580	register_command "reload" => sub {
2229	my ($who, $arg) = @_;	3581	my ($who, $arg) = @_;
2230		3582
2231	if ($who->flag (FLAG_WIZ)) {	3583	if ($who->flag (FLAG_WIZ)) {
2232	$who->message ("start of reload.");
2233	reload;
2234	$who->message ("end of reload.");	3584	$who->message ("reloading server.");
		3585	async {
		3586	$Coro::current->{desc} = "perl_reload";
		3587	reload_perl;
		3588	};
2235	}	3589	}
2236	};	3590	};
2237		3591
2238	unshift @INC, $LIBDIR;	3592	unshift @INC, $LIBDIR;
2239		3593
2240	$TICK_WATCHER = Event->timer (	3594	my $bug_warning = 0;
2241	reentrant => 0,	3595
2242	prio => 0,	3596	our @WAIT_FOR_TICK;
2243	at => $NEXT_TICK || $TICK,	3597	our @WAIT_FOR_TICK_BEGIN;
2244	data => WF_AUTOCANCEL,	3598
2245	cb => sub {	3599	sub wait_for_tick {
		3600	return unless $TICK_WATCHER->is_active;
		3601	return if $Coro::current == $Coro::main;
		3602
		3603	my $signal = new Coro::Signal;
		3604	push @WAIT_FOR_TICK, $signal;
		3605	$signal->wait;
		3606	}
		3607
		3608	sub wait_for_tick_begin {
		3609	return unless $TICK_WATCHER->is_active;
		3610	return if $Coro::current == $Coro::main;
		3611
		3612	my $signal = new Coro::Signal;
		3613	push @WAIT_FOR_TICK_BEGIN, $signal;
		3614	$signal->wait;
		3615	}
		3616
		3617	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
		3618	if ($Coro::current != $Coro::main) {
		3619	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3620	unless ++$bug_warning > 10;
		3621	return;
		3622	}
		3623
		3624	$NOW = $tick_start = EV::now;
		3625
2246	cf::server_tick; # one server iteration	3626	cf::server_tick; # one server iteration
		3627
2247	$RUNTIME += $TICK;	3628	$RUNTIME += $TICK;
2248	$NEXT_TICK += $TICK;	3629	$NEXT_TICK = $_[0]->at;
2249		3630
2250	# if we are delayed by four ticks or more, skip them all	3631	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2251	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3632	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2252		3633	Coro::async_pool {
2253	$TICK_WATCHER->at ($NEXT_TICK);	3634	$Coro::current->{desc} = "runtime saver";
2254	$TICK_WATCHER->start;
2255	},
2256	);
2257
2258	IO::AIO::max_poll_time $TICK * 0.2;
2259
2260	Event->io (
2261	fd => IO::AIO::poll_fileno,
2262	poll => 'r',
2263	prio => 5,
2264	data => WF_AUTOCANCEL,
2265	cb => \&IO::AIO::poll_cb,
2266	);
2267
2268	Event->timer (
2269	data => WF_AUTOCANCEL,
2270	after => 0,
2271	interval => 10,
2272	cb => sub {
2273	(Coro::unblock_sub {
2274	write_runtime	3635	write_runtime
2275	or warn "ERROR: unable to write runtime file: $!";	3636	or warn "ERROR: unable to write runtime file: $!";
2276	})->();	3637	};
2277	},	3638	}
2278	);	3639
		3640	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3641	$sig->send;
		3642	}
		3643	while (my $sig = shift @WAIT_FOR_TICK) {
		3644	$sig->send;
		3645	}
		3646
		3647	$LOAD = ($NOW - $tick_start) / $TICK;
		3648	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3649
		3650	_post_tick;
		3651	};
		3652	$TICK_WATCHER->priority (EV::MAXPRI);
		3653
		3654	{
		3655	# configure BDB
		3656
		3657	BDB::min_parallel 8;
		3658	BDB::max_poll_reqs $TICK * 0.1;
		3659	$Coro::BDB::WATCHER->priority (1);
		3660
		3661	unless ($DB_ENV) {
		3662	$DB_ENV = BDB::db_env_create;
		3663	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3664	| BDB::LOG_AUTOREMOVE, 1);
		3665	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3666	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3667
		3668	cf::sync_job {
		3669	eval {
		3670	BDB::db_env_open
		3671	$DB_ENV,
		3672	$BDBDIR,
		3673	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3674	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3675	0666;
		3676
		3677	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3678	};
		3679
		3680	cf::cleanup "db_env_open(db): $@" if $@;
		3681	};
		3682	}
		3683
		3684	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3685	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3686	};
		3687	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3688	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3689	};
		3690	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3691	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3692	};
		3693	}
		3694
		3695	{
		3696	# configure IO::AIO
		3697
		3698	IO::AIO::min_parallel 8;
		3699	IO::AIO::max_poll_time $TICK * 0.1;
		3700	$Coro::AIO::WATCHER->priority (1);
		3701	}
		3702
		3703	my $_log_backtrace;
		3704
		3705	sub _log_backtrace {
		3706	my ($msg, @addr) = @_;
		3707
		3708	$msg =~ s/\n//;
		3709
		3710	# limit the # of concurrent backtraces
		3711	if ($_log_backtrace < 2) {
		3712	++$_log_backtrace;
		3713	async {
		3714	$Coro::current->{desc} = "abt $msg";
		3715
		3716	my @bt = fork_call {
		3717	@addr = map { sprintf "%x", $_ } @addr;
		3718	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3719	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3720	or die "addr2line: $!";
		3721
		3722	my @funcs;
		3723	my @res = <$fh>;
		3724	chomp for @res;
		3725	while (@res) {
		3726	my ($func, $line) = splice @res, 0, 2, ();
		3727	push @funcs, "[$func] $line";
		3728	}
		3729
		3730	@funcs
		3731	};
		3732
		3733	LOG llevInfo, "[ABT] $msg\n";
		3734	LOG llevInfo, "[ABT] $_\n" for @bt;
		3735	--$_log_backtrace;
		3736	};
		3737	} else {
		3738	LOG llevInfo, "[ABT] $msg\n";
		3739	LOG llevInfo, "[ABT] [suppressed]\n";
		3740	}
		3741	}
		3742
		3743	# load additional modules
		3744	use cf::pod;
2279		3745
2280	END { cf::emergency_save }	3746	END { cf::emergency_save }
2281		3747
2282	1	3748	1
2283		3749

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