ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.120 by root, Tue Jan 2 11:08:36 2007 UTC vs.
Revision 1.357 by root, Tue Sep 4 08:42:58 2007 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 Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3;	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
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::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
		28	use Data::Dumper;
20	use Digest::MD5;	29	use Digest::MD5;
21	use Fcntl;	30	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.32 ();
24	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
25		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
27		44
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
30		47
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		49
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		51
35	our %COMMAND = ();	52	our %COMMAND = ();
36	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
38		60
		61	our $RELOAD; # number of reloads so far
39	our @EVENT;	62	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		63
42	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	80	our $NEXT_TICK;
45	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
46		86
47	our %CFG;	87	our %CFG;
48		88
49	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	90	our $RUNTIME;
51		91
52	our %MAP; # all maps	92	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	93	our (%MAP, %MAP_LOADING ); # all maps
54	our $FREEZE;	94	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	95
56	our %EXT_CORO;	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	116	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		117
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	118	sub cf::map::normalise;
78		119
79	#############################################################################	120	#############################################################################
80		121
81	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
82		123
…		…
89	=item $cf::RUNTIME	130	=item $cf::RUNTIME
90		131
91	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
92	every server tick.	133	every server tick.
93		134
94	=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
95		138
96	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		143
99	=item $cf::NOW	144	=item $cf::NOW
100		145
101	The time of the last (current) server tick.	146	The time of the last (current) server tick.
102		147
103	=item $cf::TICK	148	=item $cf::TICK
104		149
105	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		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.
106		161
107	=item %cf::CFG	162	=item %cf::CFG
108		163
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	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.
111		178
112	=back	179	=back
113		180
114	=cut	181	=cut
115		182
116	BEGIN {	183	BEGIN {
117	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	185	my $msg = join "", @_;
119	utf8::encode $msg;
120		186
121	$msg .= "\n"	187	$msg .= "\n"
122	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
123		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
124	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
125	};	194	};
126	}	195	}
127		196
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		204
135	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	206	# within the Safe compartment.
137	for my $pkg (qw(	207	for my $pkg (qw(
138	cf::global cf::attachable	208	cf::global cf::attachable
…		…
147		217
148	$Event::DIED = sub {	218	$Event::DIED = sub {
149	warn "error in event callback: @_";	219	warn "error in event callback: @_";
150	};	220	};
151		221
152	my %ext_pkg;	222	#############################################################################
153	my @exts;
154	my @hook;
155		223
156	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
157		225
158	=over 4	226	=over 4
159		227
160	=cut	228	=item dumpval $ref
161		229
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	230	=cut
		231
		232	sub dumpval {
		233	eval {
		234	local $SIG{__DIE__};
		235	my $d;
		236	if (1) {
		237	$d = new Data::Dumper([$_[0]], ["*var"]);
		238	$d->Terse(1);
		239	$d->Indent(2);
		240	$d->Quotekeys(0);
		241	$d->Useqq(1);
		242	#$d->Bless(...);
		243	$d->Seen($_[1]) if @_ > 1;
		244	$d = $d->Dump();
		245	}
		246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		247	$d
		248	} || "[unable to dump $_[0]: '$@']";
		249	}
163		250
164	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
165		252
166	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
167		254
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
176		256
177	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
178		258
179	=cut	259	=cut
180		260
181	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185		262
186	=item my $guard = cf::guard { BLOCK }	263	sub to_json ($) { $json_coder->encode ($_[0]) }
187		264	sub from_json ($) { $json_coder->decode ($_[0]) }
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207		265
208	=item cf::lock_wait $string	266	=item cf::lock_wait $string
209		267
210	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
211		269
212	=item my $lock = cf::lock_acquire $string	270	=item my $lock = cf::lock_acquire $string
213		271
214	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
217	returned.	275	returned.
218		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
219	Lock names should begin with a unique identifier (for example, find_map	280	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
221		286
222	=cut	287	=cut
223		288
224	our %LOCK;	289	our %LOCK;
225		290
…		…
239	# wait, to be sure we are not locked	304	# wait, to be sure we are not locked
240	lock_wait $key;	305	lock_wait $key;
241		306
242	$LOCK{$key} = [];	307	$LOCK{$key} = [];
243		308
244	cf::guard {	309	Coro::guard {
245	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
247	}	312	}
248	}	313	}
249		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
		321	sub freeze_mainloop {
		322	return unless $TICK_WATCHER->is_active;
		323
		324	my $guard = Coro::guard {
		325	$TICK_WATCHER->start;
		326	};
		327	$TICK_WATCHER->stop;
		328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
		385	}
		386
		387	=item cf::async { BLOCK }
		388
		389	Currently the same as Coro::async_pool, meaning you cannot use
		390	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		391	thing you are allowed to do is call C<prio> on it.
		392
		393	=cut
		394
		395	BEGIN { *async = \&Coro::async_pool }
		396
250	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
251		398
252	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
253	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
255		403
256	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
257	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
258	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
259	fast or be very important.	407	fast or be very important.
…		…
262		410
263	sub sync_job(&) {	411	sub sync_job(&) {
264	my ($job) = @_;	412	my ($job) = @_;
265		413
266	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
267	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
269		419
270	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	421	# (but this is cancel-safe)
272	local $FREEZE = 1;	422	my $freeze_guard = freeze_mainloop;
273		423
274	my $busy = 1;	424	my $busy = 1;
275	my @res;	425	my @res;
276		426
277	(Coro::async {	427	(async {
278	@res = eval { $job->() };	428	@res = eval { $job->() };
279	warn $@ if $@;	429	warn $@ if $@;
280	undef $busy;	430	undef $busy;
281	})->prio (Coro::PRIO_MAX);	431	})->prio (Coro::PRIO_MAX);
282		432
283	while ($busy) {	433	while ($busy) {
284	Coro::cede_notself;	434	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	435	}
		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
287		443
288	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
289	} else {	445	} else {
290	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
291		447
292	$job->()	448	$job->()
293	}	449	}
294	}	450	}
295		451
296	=item $coro = cf::coro { BLOCK }	452	=item $coro = cf::async_ext { BLOCK }
297		453
298	Creates and returns a new coro. This coro is automcatially being canceled	454	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	455	extension calling this is being unloaded.
300		456
301	=cut	457	=cut
302		458
303	sub coro(&) {	459	sub async_ext(&) {
304	my $cb = shift;	460	my $cb = shift;
305		461
306	my $coro; $coro = async {	462	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		463
313	$coro->on_destroy (sub {	464	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	465	delete $EXT_CORO{$coro+0};
315	});	466	});
316	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
317		468
318	$coro	469	$coro
319	}	470	}
320		471
321	sub write_runtime {	472	=item fork_call { }, $args
322	my $runtime = cf::localdir . "/runtime";
323		473
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
325	or return;	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
326		478
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;
330		480
331	aio_fsync $fh	481	sub fork_call(&@) {
332	and return;	482	my ($cb, @args) = @_;
333		483
334	close $fh	484	# we seemingly have to make a local copy of the whole thing,
335	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (likely this will be rather laborious)
336		487
337	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
338	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
339		492
		493	wantarray ? @res : $res[-1]
		494	}
		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
340	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
341	}	621	}
342		622
343	=back	623	=back
344		624
345	=cut	625	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		626
467	#############################################################################	627	#############################################################################
468		628
469	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
470		630
…		…
472	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
473	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
474		634
475	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
476	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
477	crossfire+).	637	Crossfire TRT).
478		638
479	=over 4	639	=over 4
480		640
481	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
482		642
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	757	our @CB_MAP = ();
598		758
599	my %attachment;	759	my %attachment;
600		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
601	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
603		769
604	use sort 'stable';	770	use sort 'stable';
605		771
…		…
639	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
640		806
641	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
642	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
643	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
644	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
645		811
646	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
647	my $pkg = shift @arg;	813	my $pkg = shift @arg;
648		814
649	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
678	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
679	}	845	}
680		846
681	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
682	} else {	848	} else {
683	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
684	}	850	}
685		851
686	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
687	}	853	}
688		854
…		…
690	if (ref $_[0]) {	856	if (ref $_[0]) {
691	_object_attach @_;	857	_object_attach @_;
692	} else {	858	} else {
693	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
694	}	860	}
		861	_recalc_want;
695	};	862	};
696		863
697	# all those should be optimised	864	# all those should be optimised
698	sub cf::attachable::detach {	865	sub cf::attachable::detach {
699	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
702	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
703	reattach ($obj);	870	reattach ($obj);
704	} else {	871	} else {
705	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
706	}	873	}
		874	_recalc_want;
707	};	875	};
708		876
709	sub cf::attachable::attached {	877	sub cf::attachable::attached {
710	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
711		879
…		…
726	";	894	";
727	die if $@;	895	die if $@;
728	}	896	}
729		897
730	our $override;	898	our $override;
731	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
732		900
733	sub override {	901	sub override {
734	$override = 1;	902	$override = 1;
735	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
736	}	904	}
737		905
738	sub do_invoke {	906	sub do_invoke {
739	my $event = shift;	907	my $event = shift;
740	my $callbacks = shift;	908	my $callbacks = shift;
741		909
742	@invoke_results = ();	910	@INVOKE_RESULTS = ();
743		911
744	local $override;	912	local $override;
745		913
746	for (@$callbacks) {	914	for (@$callbacks) {
747	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
764		932
765	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
766		934
767	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
768	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
769	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
770		938
771	=back	939	=back
772		940
773	=cut	941	=cut
774		942
775	#############################################################################	943	#############################################################################
776	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
777		956
778	sub reattach {	957	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		962
782	my $registry = $obj->registry;	963	my $registry = $obj->registry;
783		964
784	@$registry = ();	965	@$registry = ();
785		966
…		…
824	);	1005	);
825		1006
826	sub object_freezer_save {	1007	sub object_freezer_save {
827	my ($filename, $rdata, $objs) = @_;	1008	my ($filename, $rdata, $objs) = @_;
828		1009
		1010	my $guard = cf::lock_acquire "io";
		1011
829	sync_job {	1012	sync_job {
830	if (length $$rdata) {	1013	if (length $$rdata) {
831	warn sprintf "saving %s (%d,%d)\n",	1014	warn sprintf "saving %s (%d,%d)\n",
832	$filename, length $$rdata, scalar @$objs;	1015	$filename, length $$rdata, scalar @$objs;
833		1016
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1017	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	1018	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1019	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	1020	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1021	close $fh;
839		1022
840	if (@$objs) {	1023	if (@$objs) {
841	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1024	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
842	chmod SAVE_MODE, $fh;	1025	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	1026	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	1027	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	1029	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	1030	aio_rename "$filename.pst~", "$filename.pst";
848	}	1031	}
849	} else {	1032	} else {
850	aio_unlink "$filename.pst";	1033	aio_unlink "$filename.pst";
…		…
856	}	1039	}
857	} else {	1040	} else {
858	aio_unlink $filename;	1041	aio_unlink $filename;
859	aio_unlink "$filename.pst";	1042	aio_unlink "$filename.pst";
860	}	1043	}
861	}	1044	};
		1045
		1046	undef $guard;
862	}	1047	}
863		1048
864	sub object_freezer_as_string {	1049	sub object_freezer_as_string {
865	my ($rdata, $objs) = @_;	1050	my ($rdata, $objs) = @_;
866		1051
…		…
871		1056
872	sub object_thawer_load {	1057	sub object_thawer_load {
873	my ($filename) = @_;	1058	my ($filename) = @_;
874		1059
875	my ($data, $av);	1060	my ($data, $av);
		1061
		1062	my $guard = cf::lock_acquire "io";
876		1063
877	(aio_load $filename, $data) >= 0	1064	(aio_load $filename, $data) >= 0
878	or return;	1065	or return;
879		1066
880	unless (aio_stat "$filename.pst") {	1067	unless (aio_stat "$filename.pst") {
881	(aio_load "$filename.pst", $av) >= 0	1068	(aio_load "$filename.pst", $av) >= 0
882	or return;	1069	or return;
		1070
		1071	undef $guard;
883	$av = eval { (Storable::thaw $av)->{objs} };	1072	$av = eval { (Storable::thaw $av)->{objs} };
884	}	1073	}
885		1074
886	warn sprintf "loading %s (%d)\n",	1075	warn sprintf "loading %s (%d)\n",
887	$filename, length $data, scalar @{$av || []};#d#	1076	$filename, length $data, scalar @{$av || []};
		1077
888	return ($data, $av);	1078	($data, $av)
889	}	1079	}
		1080
		1081	=head2 COMMAND CALLBACKS
		1082
		1083	=over 4
		1084
		1085	=cut
890		1086
891	#############################################################################	1087	#############################################################################
892	# command handling &c	1088	# command handling &c
893		1089
894	=item cf::register_command $name => \&callback($ob,$args);	1090	=item cf::register_command $name => \&callback($ob,$args);
…		…
907	push @{ $COMMAND{$name} }, [$caller, $cb];	1103	push @{ $COMMAND{$name} }, [$caller, $cb];
908	}	1104	}
909		1105
910	=item cf::register_extcmd $name => \&callback($pl,$packet);	1106	=item cf::register_extcmd $name => \&callback($pl,$packet);
911		1107
912	Register a callbackf ro execution when the client sends an extcmd packet.	1108	Register a callback for execution when the client sends an (synchronous)
		1109	extcmd packet. Ext commands will be processed in the order they are
		1110	received by the server, like other user commands. The first argument is
		1111	the logged-in player. Ext commands can only be processed after a player
		1112	has logged in successfully.
913		1113
914	If the callback returns something, it is sent back as if reply was being	1114	If the callback returns something, it is sent back as if reply was being
915	called.	1115	called.
916		1116
		1117	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1118
		1119	Register a callback for execution when the client sends an (asynchronous)
		1120	exticmd packet. Exti commands are processed by the server as soon as they
		1121	are received, i.e. out of order w.r.t. other commands. The first argument
		1122	is a client socket. Exti commands can be received anytime, even before
		1123	log-in.
		1124
		1125	If the callback returns something, it is sent back as if reply was being
		1126	called.
		1127
917	=cut	1128	=cut
918		1129
919	sub register_extcmd {	1130	sub register_extcmd {
920	my ($name, $cb) = @_;	1131	my ($name, $cb) = @_;
921		1132
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	1133	$EXTCMD{$name} = $cb;
		1134	}
		1135
		1136	sub register_exticmd {
		1137	my ($name, $cb) = @_;
		1138
		1139	$EXTICMD{$name} = $cb;
926	}	1140	}
927		1141
928	cf::player->attach (	1142	cf::player->attach (
929	on_command => sub {	1143	on_command => sub {
930	my ($pl, $name, $params) = @_;	1144	my ($pl, $name, $params) = @_;
…		…
939	cf::override;	1153	cf::override;
940	},	1154	},
941	on_extcmd => sub {	1155	on_extcmd => sub {
942	my ($pl, $buf) = @_;	1156	my ($pl, $buf) = @_;
943		1157
944	my $msg = eval { from_json $buf };	1158	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
945		1159
946	if (ref $msg) {	1160	if (ref $msg) {
		1161	my ($type, $reply, @payload) =
		1162	"ARRAY" eq ref $msg
		1163	? @$msg
		1164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1165
		1166	my @reply;
		1167
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1168	if (my $cb = $EXTCMD{$type}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	1169	@reply = $cb->($pl, @payload);
949	$pl->ext_reply ($msg->{msgid}, %reply);
950	}
951	}	1170	}
		1171
		1172	$pl->ext_reply ($reply, @reply)
		1173	if $reply;
		1174
952	} else {	1175	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1176	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
954	}	1177	}
955		1178
956	cf::override;	1179	cf::override;
957	},	1180	},
958	);	1181	);
959		1182
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	1183	sub load_extensions {
		1184	cf::sync_job {
		1185	my %todo;
		1186
		1187	for my $path (<$LIBDIR/*.ext>) {
		1188	next unless -r $path;
		1189
		1190	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1191	my $base = $1;
		1192	my $pkg = $1;
		1193	$pkg =~ s/[^[:word:]]/_/g;
		1194	$pkg = "ext::$pkg";
		1195
		1196	open my $fh, "<:utf8", $path
		1197	or die "$path: $!";
		1198
		1199	my $source = do { local $/; <$fh> };
		1200
		1201	my %ext = (
		1202	path => $path,
		1203	base => $base,
		1204	pkg => $pkg,
		1205	);
		1206
		1207	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1208	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1209
		1210	$ext{source} =
		1211	"package $pkg; use strict; use utf8;\n"
		1212	. "#line 1 \"$path\"\n{\n"
		1213	. $source
		1214	. "\n};\n1";
		1215
		1216	$todo{$base} = \%ext;
		1217	}
		1218
		1219	my %done;
		1220	while (%todo) {
		1221	my $progress;
		1222
		1223	while (my ($k, $v) = each %todo) {
		1224	for (split /,\s*/, $v->{meta}{depends}) {
		1225	goto skip
		1226	unless exists $done{$_};
		1227	}
		1228
		1229	warn "... loading '$k' into '$v->{pkg}'\n";
		1230
		1231	unless (eval $v->{source}) {
		1232	my $msg = $@ ? "$v->{path}: $@\n"
		1233	: "$v->{base}: extension inactive.\n";
		1234
		1235	if (exists $v->{meta}{mandatory}) {
		1236	warn $msg;
		1237	warn "mandatory extension failed to load, exiting.\n";
		1238	exit 1;
		1239	}
		1240
		1241	warn $msg;
		1242	}
		1243
		1244	$done{$k} = delete $todo{$k};
		1245	push @EXTS, $v->{pkg};
		1246	$progress = 1;
		1247	}
		1248
		1249	skip:
		1250	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1251	unless $progress;
		1252	}
		1253	};
		1254	}
		1255
		1256	#############################################################################
		1257
		1258	=back
		1259
		1260	=head2 CORE EXTENSIONS
		1261
		1262	Functions and methods that extend core crossfire objects.
		1263
		1264	=cut
		1265
		1266	package cf::player;
		1267
		1268	use Coro::AIO;
		1269
		1270	=head3 cf::player
		1271
		1272	=over 4
		1273
		1274	=item cf::player::find $login
		1275
		1276	Returns the given player object, loading it if necessary (might block).
		1277
		1278	=cut
		1279
		1280	sub playerdir($) {
		1281	"$PLAYERDIR/"
		1282	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1283	}
		1284
		1285	sub path($) {
		1286	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1287
		1288	(playerdir $login) . "/playerdata"
		1289	}
		1290
		1291	sub find_active($) {
		1292	$cf::PLAYER{$_[0]}
		1293	and $cf::PLAYER{$_[0]}->active
		1294	and $cf::PLAYER{$_[0]}
		1295	}
		1296
		1297	sub exists($) {
		1298	my ($login) = @_;
		1299
		1300	$cf::PLAYER{$login}
		1301	or cf::sync_job { !aio_stat path $login }
		1302	}
		1303
		1304	sub find($) {
		1305	return $cf::PLAYER{$_[0]} || do {
		1306	my $login = $_[0];
		1307
		1308	my $guard = cf::lock_acquire "user_find:$login";
		1309
		1310	$cf::PLAYER{$_[0]} || do {
		1311	# rename old playerfiles to new ones
		1312	#TODO: remove when no longer required
		1313	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1314	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1315	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1316	aio_unlink +(playerdir $login) . "/$login.pl";
		1317
		1318	my $f = new_from_file cf::object::thawer path $login
		1319	or return;
		1320
		1321	$f->next;
		1322	my $pl = cf::player::load_pl $f
		1323	or return;
		1324	local $cf::PLAYER_LOADING{$login} = $pl;
		1325	$f->resolve_delayed_derefs;
		1326	$cf::PLAYER{$login} = $pl
		1327	}
		1328	}
		1329	}
		1330
		1331	sub save($) {
		1332	my ($pl) = @_;
		1333
		1334	return if $pl->{deny_save};
		1335
		1336	my $path = path $pl;
		1337	my $guard = cf::lock_acquire "user_save:$path";
		1338
		1339	return if $pl->{deny_save};
		1340
		1341	aio_mkdir playerdir $pl, 0770;
		1342	$pl->{last_save} = $cf::RUNTIME;
		1343
		1344	$pl->save_pl ($path);
		1345	cf::cede_to_tick;
		1346	}
		1347
		1348	sub new($) {
		1349	my ($login) = @_;
		1350
		1351	my $self = create;
		1352
		1353	$self->ob->name ($login);
		1354	$self->{deny_save} = 1;
		1355
		1356	$cf::PLAYER{$login} = $self;
		1357
		1358	$self
		1359	}
		1360
		1361	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1362
		1363	=cut
		1364
		1365	sub send_msg {
		1366	my $ns = shift->ns
		1367	or return;
		1368	$ns->send_msg (@_);
		1369	}
		1370
		1371	=item $pl->quit_character
		1372
		1373	Nukes the player without looking back. If logged in, the connection will
		1374	be destroyed. May block for a long time.
		1375
		1376	=cut
		1377
		1378	sub quit_character {
		1379	my ($pl) = @_;
		1380
		1381	my $name = $pl->ob->name;
		1382
		1383	$pl->{deny_save} = 1;
		1384	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1385
		1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1387	$pl->deactivate;
		1388	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1389	$pl->ns->destroy if $pl->ns;
		1390
		1391	my $path = playerdir $pl;
		1392	my $temp = "$path~$cf::RUNTIME~deleting~";
		1393	aio_rename $path, $temp;
		1394	delete $cf::PLAYER{$pl->ob->name};
		1395	$pl->destroy;
		1396
		1397	my $prefix = qr<^~\Q$name\E/>;
		1398
		1399	# nuke player maps
		1400	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1401
		1402	IO::AIO::aio_rmtree $temp;
		1403	}
		1404
		1405	=item $pl->kick
		1406
		1407	Kicks a player out of the game. This destroys the connection.
		1408
		1409	=cut
		1410
		1411	sub kick {
		1412	my ($pl, $kicker) = @_;
		1413
		1414	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1415	$pl->killer ("kicked");
		1416	$pl->ns->destroy;
		1417	}
		1418
		1419	=item cf::player::list_logins
		1420
		1421	Returns am arrayref of all valid playernames in the system, can take a
		1422	while and may block, so not sync_job-capable, ever.
		1423
		1424	=cut
		1425
		1426	sub list_logins {
		1427	my $dirs = aio_readdir $PLAYERDIR
		1428	or return [];
		1429
		1430	my @logins;
		1431
		1432	for my $login (@$dirs) {
		1433	my $path = path $login;
		1434
		1435	# a .pst is a dead give-away for a valid player
		1436	unless (-e "$path.pst") {
		1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1438	aio_read $fh, 0, 512, my $buf, 0 or next;
		1439	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1440	}
		1441
		1442	utf8::decode $login;
		1443	push @logins, $login;
		1444	}
		1445
		1446	\@logins
		1447	}
		1448
		1449	=item $player->maps
		1450
		1451	Returns an arrayref of map paths that are private for this
		1452	player. May block.
		1453
		1454	=cut
		1455
		1456	sub maps($) {
		1457	my ($pl) = @_;
		1458
		1459	$pl = ref $pl ? $pl->ob->name : $pl;
		1460
		1461	my $files = aio_readdir playerdir $pl
		1462	or return;
		1463
		1464	my @paths;
		1465
		1466	for (@$files) {
		1467	utf8::decode $_;
		1468	next if /\.(?:pl|pst)$/;
		1469	next unless /^$PATH_SEP/o;
		1470
		1471	push @paths, cf::map::normalise "~$pl/$_";
		1472	}
		1473
		1474	\@paths
		1475	}
		1476
		1477	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1478
		1479	Expand crossfire pod fragments into protocol xml.
		1480
		1481	=cut
		1482
		1483	sub expand_cfpod {
		1484	((my $self), (local $_)) = @_;
		1485
		1486	# escape & and <
		1487	s/&/&amp;/g;
		1488	s/(?<![BIUGHT])</&lt;/g;
		1489
		1490	# this is buggy, it needs to properly take care of nested <'s
		1491
		1492	1 while
		1493	# replace B<>, I<>, U<> etc.
		1494	s/B<([^\>]*)>/<b>$1<\/b>/
		1495	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1496	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1497	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
		1528	=item $player->ext_reply ($msgid, @msg)
		1529
		1530	Sends an ext reply to the player.
		1531
		1532	=cut
		1533
		1534	sub ext_reply($$@) {
		1535	my ($self, $id, @msg) = @_;
		1536
		1537	$self->ns->ext_reply ($id, @msg)
		1538	}
		1539
		1540	=item $player->ext_msg ($type, @msg)
		1541
		1542	Sends an ext event to the client.
		1543
		1544	=cut
		1545
		1546	sub ext_msg($$@) {
		1547	my ($self, $type, @msg) = @_;
		1548
		1549	$self->ns->ext_msg ($type, @msg);
		1550	}
		1551
		1552	=head3 cf::region
		1553
		1554	=over 4
		1555
		1556	=cut
		1557
		1558	package cf::region;
		1559
		1560	=item cf::region::find_by_path $path
		1561
		1562	Tries to decuce the likely region for a map knowing only its path.
		1563
		1564	=cut
		1565
		1566	sub find_by_path($) {
967	my ($path) = @_;	1567	my ($path) = @_;
968		1568
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1569	my ($match, $specificity);
970	my $base = $1;
971	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";
974		1570
975	warn "loading '$path' into '$pkg'\n";	1571	for my $region (list) {
976		1572	if ($region->{match} && $path =~ $region->{match}) {
977	open my $fh, "<:utf8", $path	1573	($match, $specificity) = ($region, $region->specificity)
978	or die "$path: $!";	1574	if $region->specificity > $specificity;
979		1575	}
980	my $source =
981	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })
984	. "\n};\n1";
985
986	eval $source
987	or die $@ ? "$path: $@\n"
988	: "extension disabled.\n";
989
990	push @exts, $pkg;
991	$ext_pkg{$base} = $pkg;
992
993	# no strict 'refs';
994	# @{"$pkg\::ISA"} = ext::;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	1576	}
1009		1577
1010	# remove commands	1578	$match
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}
1035
1036	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;
1039	eval {
1040	load_extension $ext;
1041	1
1042	} or warn "$ext not loaded: $@";
1043	}
1044	}
1045
1046	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083
1084	=head2 CORE EXTENSIONS
1085
1086	Functions and methods that extend core crossfire objects.
1087
1088	=head3 cf::player
1089
1090	=over 4
1091
1092	=item cf::player::exists $login
1093
1094	Returns true when the given account exists.
1095
1096	=cut
1097
1098	sub cf::player::exists($) {
1099	cf::player::find $_[0]
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1101	}
1102
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104
1105	Sends an ext reply to the player.
1106
1107	=cut
1108
1109	sub cf::player::ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;
1111
1112	$msg{msgid} = $id;
1113
1114	$self->send ("ext " . to_json \%msg);
1115	}	1579	}
1116		1580
1117	=back	1581	=back
1118
1119		1582
1120	=head3 cf::map	1583	=head3 cf::map
1121		1584
1122	=over 4	1585	=over 4
1123		1586
…		…
1126	package cf::map;	1589	package cf::map;
1127		1590
1128	use Fcntl;	1591	use Fcntl;
1129	use Coro::AIO;	1592	use Coro::AIO;
1130		1593
		1594	use overload
		1595	'""' => \&as_string,
		1596	fallback => 1;
		1597
1131	our $MAX_RESET = 7200;	1598	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1599	our $DEFAULT_RESET = 3000;
1133		1600
1134	sub generate_random_map {	1601	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1602	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1603	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1604	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1605	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1606	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1607	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1608	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1609	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1610	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1611	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1612	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1613	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1614	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1615	(cf::region::find $rmp->{region}), $rmp->{custom}
		1616	)
		1617	}
		1618
		1619	=item cf::map->register ($regex, $prio)
		1620
		1621	Register a handler for the map path matching the given regex at the
		1622	givne priority (higher is better, built-in handlers have priority 0, the
		1623	default).
		1624
		1625	=cut
		1626
		1627	sub register {
		1628	my (undef, $regex, $prio) = @_;
		1629	my $pkg = caller;
		1630
		1631	no strict;
		1632	push @{"$pkg\::ISA"}, __PACKAGE__;
		1633
		1634	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1635	}
		1636
		1637	# also paths starting with '/'
		1638	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1639
		1640	sub thawer_merge {
		1641	my ($self, $merge) = @_;
		1642
		1643	# we have to keep some variables in memory intact
		1644	local $self->{path};
		1645	local $self->{load_path};
		1646
		1647	$self->SUPER::thawer_merge ($merge);
		1648	}
		1649
		1650	sub normalise {
		1651	my ($path, $base) = @_;
		1652
		1653	$path = "$path"; # make sure its a string
		1654
		1655	$path =~ s/\.map$//;
		1656
		1657	# map plan:
		1658	#
		1659	# /! non-realised random map exit (special hack!)
		1660	# {... are special paths that are not being touched
		1661	# ?xxx/... are special absolute paths
		1662	# ?random/... random maps
		1663	# /... normal maps
		1664	# ~user/... per-player map of a specific user
		1665
		1666	$path =~ s/$PATH_SEP/\//go;
		1667
		1668	# treat it as relative path if it starts with
		1669	# something that looks reasonable
		1670	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1671	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1672
		1673	$base =~ s{[^/]+/?$}{};
		1674	$path = "$base/$path";
		1675	}
		1676
		1677	for ($path) {
		1678	redo if s{//}{/};
		1679	redo if s{/\.?/}{/};
		1680	redo if s{/[^/]+/\.\./}{/};
		1681	}
		1682
		1683	$path
		1684	}
		1685
		1686	sub new_from_path {
		1687	my (undef, $path, $base) = @_;
		1688
		1689	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1690
		1691	$path = normalise $path, $base;
		1692
		1693	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1694	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1695	my $self = bless cf::map::new, $pkg;
		1696	$self->{path} = $path; $self->path ($path);
		1697	$self->init; # pass $1 etc.
		1698	return $self;
		1699	}
		1700	}
		1701
		1702	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1703	()
		1704	}
		1705
		1706	sub init {
		1707	my ($self) = @_;
		1708
		1709	$self
		1710	}
		1711
		1712	sub as_string {
		1713	my ($self) = @_;
		1714
		1715	"$self->{path}"
		1716	}
		1717
		1718	# the displayed name, this is a one way mapping
		1719	sub visible_name {
		1720	&as_string
		1721	}
		1722
		1723	# the original (read-only) location
		1724	sub load_path {
		1725	my ($self) = @_;
		1726
		1727	"$MAPDIR/$self->{path}.map"
		1728	}
		1729
		1730	# the temporary/swap location
		1731	sub save_path {
		1732	my ($self) = @_;
		1733
		1734	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1735	"$TMPDIR/$path.map"
		1736	}
		1737
		1738	# the unique path, undef == no special unique path
		1739	sub uniq_path {
		1740	my ($self) = @_;
		1741
		1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1743	"$UNIQUEDIR/$path"
1151	}	1744	}
1152		1745
1153	# and all this just because we cannot iterate over	1746	# and all this just because we cannot iterate over
1154	# all maps in C++...	1747	# all maps in C++...
1155	sub change_all_map_light {	1748	sub change_all_map_light {
1156	my ($change) = @_;	1749	my ($change) = @_;
1157		1750
1158	$_->change_map_light ($change) for values %cf::MAP;	1751	$_->change_map_light ($change)
		1752	for grep $_->outdoor, values %cf::MAP;
1159	}	1753	}
1160		1754
		1755	sub decay_objects {
		1756	my ($self) = @_;
		1757
		1758	return if $self->{deny_reset};
		1759
		1760	$self->do_decay_objects;
		1761	}
		1762
		1763	sub unlink_save {
		1764	my ($self) = @_;
		1765
		1766	utf8::encode (my $save = $self->save_path);
		1767	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1768	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1769	}
		1770
1161	sub try_load_header($) {	1771	sub load_header_from($) {
1162	my ($path) = @_;	1772	my ($self, $path) = @_;
1163		1773
1164	utf8::encode $path;	1774	utf8::encode $path;
1165	aio_open $path, O_RDONLY, 0	1775	my $f = new_from_file cf::object::thawer $path
1166	or return;	1776	or return;
1167		1777
1168	my $map = cf::map::new	1778	$self->_load_header ($f)
1169	or return;	1779	or return;
1170		1780
1171	$map->load_header ($path)	1781	local $MAP_LOADING{$self->{path}} = $self;
		1782	$f->resolve_delayed_derefs;
		1783
		1784	$self->{load_path} = $path;
		1785
		1786	1
		1787	}
		1788
		1789	sub load_header_orig {
		1790	my ($self) = @_;
		1791
		1792	$self->load_header_from ($self->load_path)
		1793	}
		1794
		1795	sub load_header_temp {
		1796	my ($self) = @_;
		1797
		1798	$self->load_header_from ($self->save_path)
		1799	}
		1800
		1801	sub prepare_temp {
		1802	my ($self) = @_;
		1803
		1804	$self->last_access ((delete $self->{last_access})
		1805	|| $cf::RUNTIME); #d#
		1806	# safety
		1807	$self->{instantiate_time} = $cf::RUNTIME
		1808	if $self->{instantiate_time} > $cf::RUNTIME;
		1809	}
		1810
		1811	sub prepare_orig {
		1812	my ($self) = @_;
		1813
		1814	$self->{load_original} = 1;
		1815	$self->{instantiate_time} = $cf::RUNTIME;
		1816	$self->last_access ($cf::RUNTIME);
		1817	$self->instantiate;
		1818	}
		1819
		1820	sub load_header {
		1821	my ($self) = @_;
		1822
		1823	if ($self->load_header_temp) {
		1824	$self->prepare_temp;
		1825	} else {
		1826	$self->load_header_orig
1172	or return;	1827	or return;
		1828	$self->prepare_orig;
		1829	}
1173		1830
1174	$map->{load_path} = $path;	1831	$self->{deny_reset} = 1
		1832	if $self->no_reset;
1175		1833
1176	$map	1834	$self->default_region (cf::region::find_by_path $self->{path})
1177	}	1835	unless $self->default_region;
1178		1836
		1837	1
		1838	}
		1839
		1840	sub find;
1179	sub find_map {	1841	sub find {
1180	my ($path, $origin) = @_;	1842	my ($path, $origin) = @_;
1181		1843
1182	#warn "find_map<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1844	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1845
1187	cf::lock_wait "map_find:$key";	1846	cf::lock_wait "map_find:$path";
1188		1847
1189	$cf::MAP{$key} || do {	1848	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1849	my $guard = cf::lock_acquire "map_find:$path";
1191		1850	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	if ($map) {
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1851	or return;
1207		1852
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->instantiate;
1211
1212	# per-player maps become, after loading, normal maps
1213	$map->per_player (0) if $path->{user_rel};
1214	}
1215	#Coro::Timer::sleep 1;#d#
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1853	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		1854
1222	if ($map->should_reset) {	1855	$map->load_header
		1856	or return;
		1857
		1858	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1859	# doing this can freeze the server in a sync job, obviously
		1860	#$cf::WAIT_FOR_TICK->wait;
1223	$map->reset;	1861	$map->reset;
1224	$map = find_map $path;	1862	undef $guard;
		1863	return find $path;
1225	}	1864	}
1226		1865
1227	$cf::MAP{$key} = $map	1866	$cf::MAP{$path} = $map
1228	}	1867	}
1229	}	1868	}
		1869
		1870	sub pre_load { }
		1871	sub post_load { }
1230		1872
1231	sub load {	1873	sub load {
1232	my ($self) = @_;	1874	my ($self) = @_;
1233		1875
		1876	local $self->{deny_reset} = 1; # loading can take a long time
		1877
1234	my $path = $self->{path};	1878	my $path = $self->{path};
		1879
		1880	{
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1881	my $guard = cf::lock_acquire "map_data:$path";
1236		1882
		1883	return unless $self->valid;
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1884	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1885
1239	$self->in_memory (cf::MAP_LOADING);	1886	$self->in_memory (cf::MAP_LOADING);
1240		1887
1241	$self->alloc;	1888	$self->alloc;
1242	$self->load_objects ($self->{load_path}, 1)	1889
		1890	$self->pre_load;
		1891	cf::cede_to_tick;
		1892
		1893	my $f = new_from_file cf::object::thawer $self->{load_path};
		1894	$f->skip_block;
		1895	$self->_load_objects ($f)
1243	or return;	1896	or return;
1244		1897
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1899	if delete $self->{load_original};
1247		1900
1248	if (my $uniq = $path->uniq_path) {	1901	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1902	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1903	unless (aio_stat $uniq) {
		1904	if (my $f = new_from_file cf::object::thawer $uniq) {
1251	$self->clear_unique_items;	1905	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1906	$self->_load_objects ($f);
		1907	$f->resolve_delayed_derefs;
		1908	}
1253	}	1909	}
1254	}	1910	}
1255		1911
		1912	$f->resolve_delayed_derefs;
		1913
		1914	cf::cede_to_tick;
1256	# now do the right thing for maps	1915	# now do the right thing for maps
1257	$self->link_multipart_objects;	1916	$self->link_multipart_objects;
1258
1259	if ($self->{path}->is_style_map) {
1260	$self->{deny_save} = 1;
1261	$self->{deny_reset} = 1;
1262	} else {
1263	$self->fix_auto_apply;
1264	$self->decay_objects;
1265	$self->update_buttons;
1266	$self->set_darkness_map;
1267	$self->difficulty ($self->estimate_difficulty)	1917	$self->difficulty ($self->estimate_difficulty)
1268	unless $self->difficulty;	1918	unless $self->difficulty;
		1919	cf::cede_to_tick;
		1920
		1921	unless ($self->{deny_activate}) {
		1922	$self->decay_objects;
		1923	$self->fix_auto_apply;
		1924	$self->update_buttons;
		1925	cf::cede_to_tick;
		1926	$self->set_darkness_map;
		1927	cf::cede_to_tick;
1269	$self->activate;	1928	$self->activate;
1270	}	1929	}
1271		1930
		1931	$self->{last_save} = $cf::RUNTIME;
		1932	$self->last_access ($cf::RUNTIME);
		1933
1272	$self->in_memory (cf::MAP_IN_MEMORY);	1934	$self->in_memory (cf::MAP_IN_MEMORY);
1273	}	1935	}
1274		1936
1275	sub load_map_sync {	1937	$self->post_load;
		1938	}
		1939
		1940	sub customise_for {
		1941	my ($self, $ob) = @_;
		1942
		1943	return find "~" . $ob->name . "/" . $self->{path}
		1944	if $self->per_player;
		1945
		1946	# return find "?party/" . $ob->name . "/" . $self->{path}
		1947	# if $self->per_party;
		1948
		1949	$self
		1950	}
		1951
		1952	# find and load all maps in the 3x3 area around a map
		1953	sub load_neighbours {
		1954	my ($map) = @_;
		1955
		1956	my @neigh; # diagonal neighbours
		1957
		1958	for (0 .. 3) {
		1959	my $neigh = $map->tile_path ($_)
		1960	or next;
		1961	$neigh = find $neigh, $map
		1962	or next;
		1963	$neigh->load;
		1964
		1965	push @neigh,
		1966	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1967	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1968	}
		1969
		1970	for (grep defined $_->[0], @neigh) {
		1971	my ($path, $origin) = @$_;
		1972	my $neigh = find $path, $origin
		1973	or next;
		1974	$neigh->load;
		1975	}
		1976	}
		1977
		1978	sub find_sync {
1276	my ($path, $origin) = @_;	1979	my ($path, $origin) = @_;
1277		1980
1278	#warn "load_map_sync<$path, $origin>\n";#d#	1981	cf::sync_job { find $path, $origin }
		1982	}
1279		1983
1280	cf::sync_job {	1984	sub do_load_sync {
1281	my $map = cf::map::find_map $path, $origin	1985	my ($map) = @_;
1282	or return;	1986
1283	$map->load;	1987	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1284	$map	1988	if $Coro::current == $Coro::main;
		1989
		1990	cf::sync_job { $map->load };
		1991	}
		1992
		1993	our %MAP_PREFETCH;
		1994	our $MAP_PREFETCHER = undef;
		1995
		1996	sub find_async {
		1997	my ($path, $origin, $load) = @_;
		1998
		1999	$path = normalise $path, $origin && $origin->{path};
		2000
		2001	if (my $map = $cf::MAP{$path}) {
		2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2003	}
		2004
		2005	$MAP_PREFETCH{$path} |= $load;
		2006
		2007	$MAP_PREFETCHER ||= cf::async {
		2008	while (%MAP_PREFETCH) {
		2009	while (my ($k, $v) = each %MAP_PREFETCH) {
		2010	if (my $map = find $k) {
		2011	$map->load if $v;
		2012	}
		2013
		2014	delete $MAP_PREFETCH{$k};
		2015	}
		2016	}
		2017	undef $MAP_PREFETCHER;
1285	}	2018	};
		2019	$MAP_PREFETCHER->prio (6);
		2020
		2021	()
1286	}	2022	}
1287		2023
1288	sub save {	2024	sub save {
1289	my ($self) = @_;	2025	my ($self) = @_;
1290		2026
		2027	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2028
1291	$self->{last_save} = $cf::RUNTIME;	2029	$self->{last_save} = $cf::RUNTIME;
1292		2030
1293	return unless $self->dirty;	2031	return unless $self->dirty;
1294		2032
1295	my $save = $self->{path}->save_path; utf8::encode $save;	2033	my $save = $self->save_path; utf8::encode $save;
1296	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2034	my $uniq = $self->uniq_path; utf8::encode $uniq;
1297		2035
1298	$self->{load_path} = $save;	2036	$self->{load_path} = $save;
1299		2037
1300	return if $self->{deny_save};	2038	return if $self->{deny_save};
1301		2039
		2040	local $self->{last_access} = $self->last_access;#d#
		2041
		2042	cf::async {
		2043	$_->contr->save for $self->players;
		2044	};
		2045
1302	if ($uniq) {	2046	if ($uniq) {
1303	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2047	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1304	$self->save_objects ($uniq, cf::IO_UNIQUES);	2048	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1305	} else {	2049	} else {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2050	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1307	}	2051	}
1308	}	2052	}
1309		2053
1310	sub swap_out {	2054	sub swap_out {
1311	my ($self) = @_;	2055	my ($self) = @_;
		2056
		2057	# save first because save cedes
		2058	$self->save;
		2059
		2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1312		2061
1313	return if $self->players;	2062	return if $self->players;
1314	return if $self->in_memory != cf::MAP_IN_MEMORY;	2063	return if $self->in_memory != cf::MAP_IN_MEMORY;
1315	return if $self->{deny_save};	2064	return if $self->{deny_save};
1316		2065
1317	$self->save;
1318	$self->clear;	2066	$self->clear;
1319	$self->in_memory (cf::MAP_SWAPPED);	2067	$self->in_memory (cf::MAP_SWAPPED);
1320	}	2068	}
1321		2069
1322	sub reset_at {	2070	sub reset_at {
1323	my ($self) = @_;	2071	my ($self) = @_;
1324		2072
1325	# TODO: safety, remove and allow resettable per-player maps	2073	# TODO: safety, remove and allow resettable per-player maps
1326	return 1e99 if $self->{path}{user_rel};
1327	return 1e99 if $self->{deny_reset};	2074	return 1e99 if $self->{deny_reset};
1328		2075
1329	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2076	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1330	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2077	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1331		2078
…		…
1336	my ($self) = @_;	2083	my ($self) = @_;
1337		2084
1338	$self->reset_at <= $cf::RUNTIME	2085	$self->reset_at <= $cf::RUNTIME
1339	}	2086	}
1340		2087
1341	sub unlink_save {
1342	my ($self) = @_;
1343
1344	utf8::encode (my $save = $self->{path}->save_path);
1345	aioreq_pri 3; IO::AIO::aio_unlink $save;
1346	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1347	}
1348
1349	sub rename {
1350	my ($self, $new_path) = @_;
1351
1352	$self->unlink_save;
1353
1354	delete $cf::MAP{$self->path};
1355	$self->{path} = new cf::path $new_path;
1356	$self->path ($self->{path}->as_string);
1357	$cf::MAP{$self->path} = $self;
1358
1359	$self->save;
1360	}
1361
1362	sub reset {	2088	sub reset {
1363	my ($self) = @_;	2089	my ($self) = @_;
1364		2090
		2091	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2092
1365	return if $self->players;	2093	return if $self->players;
1366	return if $self->{path}{user_rel};#d#
1367		2094
1368	warn "resetting map ", $self->path;#d#	2095	warn "resetting map ", $self->path;
		2096
		2097	$self->in_memory (cf::MAP_SWAPPED);
		2098
		2099	# need to save uniques path
		2100	unless ($self->{deny_save}) {
		2101	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2102
		2103	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2104	if $uniq;
		2105	}
1369		2106
1370	delete $cf::MAP{$self->path};	2107	delete $cf::MAP{$self->path};
		2108
		2109	$self->clear;
1371		2110
1372	$_->clear_links_to ($self) for values %cf::MAP;	2111	$_->clear_links_to ($self) for values %cf::MAP;
1373		2112
1374	$self->unlink_save;	2113	$self->unlink_save;
1375	$self->destroy;	2114	$self->destroy;
…		…
1378	my $nuke_counter = "aaaa";	2117	my $nuke_counter = "aaaa";
1379		2118
1380	sub nuke {	2119	sub nuke {
1381	my ($self) = @_;	2120	my ($self) = @_;
1382		2121
		2122	{
		2123	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2124
		2125	delete $cf::MAP{$self->path};
		2126
		2127	$self->unlink_save;
		2128
		2129	bless $self, "cf::map";
		2130	delete $self->{deny_reset};
1383	$self->{deny_save} = 1;	2131	$self->{deny_save} = 1;
1384	$self->reset_timeout (1);	2132	$self->reset_timeout (1);
1385	$self->rename ("{nuke}/" . ($nuke_counter++));	2133	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2134
		2135	$cf::MAP{$self->path} = $self;
		2136	}
		2137
1386	$self->reset; # polite request, might not happen	2138	$self->reset; # polite request, might not happen
1387	}	2139	}
1388		2140
1389	sub customise_for {	2141	=item $maps = cf::map::tmp_maps
1390	my ($map, $ob) = @_;
1391		2142
1392	if ($map->per_player) {	2143	Returns an arrayref with all map paths of currently instantiated and saved
1393	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2144	maps. May block.
		2145
		2146	=cut
		2147
		2148	sub tmp_maps() {
1394	}	2149	[
1395		2150	map {
1396	$map	2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise $_
		2154	: ()
		2155	} @{ aio_readdir $TMPDIR or [] }
		2156	]
1397	}	2157	}
1398		2158
1399	sub emergency_save {	2159	=item $maps = cf::map::random_maps
1400	local $cf::FREEZE = 1;
1401		2160
1402	warn "enter emergency map save\n";	2161	Returns an arrayref with all map paths of currently instantiated and saved
		2162	random maps. May block.
1403		2163
1404	cf::sync_job {	2164	=cut
1405	warn "begin emergency map save\n";
1406	$_->save for values %cf::MAP;
1407	};
1408		2165
1409	warn "end emergency map save\n";	2166	sub random_maps() {
		2167	[
		2168	map {
		2169	utf8::decode $_;
		2170	/\.map$/
		2171	? normalise "?random/$_"
		2172	: ()
		2173	} @{ aio_readdir $RANDOMDIR or [] }
		2174	]
		2175	}
		2176
		2177	=item cf::map::unique_maps
		2178
		2179	Returns an arrayref of paths of all shared maps that have
		2180	instantiated unique items. May block.
		2181
		2182	=cut
		2183
		2184	sub unique_maps() {
		2185	[
		2186	map {
		2187	utf8::decode $_;
		2188	/\.map$/
		2189	? normalise $_
		2190	: ()
		2191	} @{ aio_readdir $UNIQUEDIR or [] }
		2192	]
1410	}	2193	}
1411		2194
1412	package cf;	2195	package cf;
1413		2196
1414	=back	2197	=back
1415		2198
		2199	=head3 cf::object
		2200
		2201	=cut
		2202
		2203	package cf::object;
		2204
		2205	=over 4
		2206
		2207	=item $ob->inv_recursive
		2208
		2209	Returns the inventory of the object _and_ their inventories, recursively.
		2210
		2211	=cut
		2212
		2213	sub inv_recursive_;
		2214	sub inv_recursive_ {
		2215	map { $_, inv_recursive_ $_->inv } @_
		2216	}
		2217
		2218	sub inv_recursive {
		2219	inv_recursive_ inv $_[0]
		2220	}
		2221
		2222	=item $ref = $ob->ref
		2223
		2224	creates and returns a persistent reference to an objetc that can be stored as a string.
		2225
		2226	=item $ob = cf::object::deref ($refstring)
		2227
		2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2229	even if the object actually exists. May block.
		2230
		2231	=cut
		2232
		2233	sub deref {
		2234	my ($ref) = @_;
		2235
		2236	# temporary compatibility#TODO#remove
		2237	$ref =~ s{^<}{player/<};
		2238
		2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2240	my ($uuid, $name) = ($1, $2);
		2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2242	or return;
		2243	$pl->ob->uuid eq $uuid
		2244	or return;
		2245
		2246	$pl->ob
		2247	} else {
		2248	warn "$ref: cannot resolve object reference\n";
		2249	undef
		2250	}
		2251	}
		2252
		2253	package cf;
		2254
		2255	=back
1416		2256
1417	=head3 cf::object::player	2257	=head3 cf::object::player
1418		2258
1419	=over 4	2259	=over 4
1420		2260
…		…
1434		2274
1435	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2275	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1436		2276
1437	if ($self->{record_replies}) {	2277	if ($self->{record_replies}) {
1438	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2278	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2279
1439	} else {	2280	} else {
		2281	my $pl = $self->contr;
		2282
		2283	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2284	my $dialog = $pl->{npc_dialog};
		2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2286
		2287	} else {
1440	$msg = $npc->name . " says: $msg" if $npc;	2288	$msg = $npc->name . " says: $msg" if $npc;
1441	$self->message ($msg, $flags);	2289	$self->message ($msg, $flags);
		2290	}
1442	}	2291	}
		2292	}
		2293
		2294	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2295
		2296	=cut
		2297
		2298	sub cf::object::send_msg {
		2299	my $pl = shift->contr
		2300	or return;
		2301	$pl->send_msg (@_);
1443	}	2302	}
1444		2303
1445	=item $player_object->may ("access")	2304	=item $player_object->may ("access")
1446		2305
1447	Returns wether the given player is authorized to access resource "access"	2306	Returns wether the given player is authorized to access resource "access"
…		…
1460		2319
1461	=item $player_object->enter_link	2320	=item $player_object->enter_link
1462		2321
1463	Freezes the player and moves him/her to a special map (C<{link}>).	2322	Freezes the player and moves him/her to a special map (C<{link}>).
1464		2323
1465	The player should be reaosnably safe there for short amounts of time. You	2324	The player should be reasonably safe there for short amounts of time. You
1466	I<MUST> call C<leave_link> as soon as possible, though.	2325	I<MUST> call C<leave_link> as soon as possible, though.
1467		2326
		2327	Will never block.
		2328
1468	=item $player_object->leave_link ($map, $x, $y)	2329	=item $player_object->leave_link ($map, $x, $y)
1469		2330
1470	Moves the player out of the specila link map onto the given map. If the	2331	Moves the player out of the special C<{link}> map onto the specified
1471	map is not valid (or omitted), the player will be moved back to the	2332	map. If the map is not valid (or omitted), the player will be moved back
1472	location he/she was before the call to C<enter_link>, or, if that fails,	2333	to the location he/she was before the call to C<enter_link>, or, if that
1473	to the emergency map position.	2334	fails, to the emergency map position.
1474		2335
1475	Might block.	2336	Might block.
1476		2337
1477	=cut	2338	=cut
		2339
		2340	sub link_map {
		2341	unless ($LINK_MAP) {
		2342	$LINK_MAP = cf::map::find "{link}"
		2343	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2344	$LINK_MAP->load;
		2345	}
		2346
		2347	$LINK_MAP
		2348	}
1478		2349
1479	sub cf::object::player::enter_link {	2350	sub cf::object::player::enter_link {
1480	my ($self) = @_;	2351	my ($self) = @_;
1481		2352
1482	$self->deactivate_recursive;	2353	$self->deactivate_recursive;
1483		2354
1484	return if $self->map == $LINK_MAP;	2355	return if UNIVERSAL::isa $self->map, "ext::map_link";
1485		2356
1486	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2357	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1487	if $self->map;	2358	if $self->map && $self->map->{path} ne "{link}";
1488		2359
1489	$self->enter_map ($LINK_MAP, 20, 20);	2360	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1490	}	2361	}
1491		2362
1492	sub cf::object::player::leave_link {	2363	sub cf::object::player::leave_link {
1493	my ($self, $map, $x, $y) = @_;	2364	my ($self, $map, $x, $y) = @_;
		2365
		2366	return unless $self->contr->active;
1494		2367
1495	my $link_pos = delete $self->{_link_pos};	2368	my $link_pos = delete $self->{_link_pos};
1496		2369
1497	unless ($map) {	2370	unless ($map) {
1498	# restore original map position	2371	# restore original map position
1499	($map, $x, $y) = @{ $link_pos || [] };	2372	($map, $x, $y) = @{ $link_pos || [] };
1500	$map = cf::map::find_map $map;	2373	$map = cf::map::find $map;
1501		2374
1502	unless ($map) {	2375	unless ($map) {
1503	($map, $x, $y) = @$EMERGENCY_POSITION;	2376	($map, $x, $y) = @$EMERGENCY_POSITION;
1504	$map = cf::map::find_map $map	2377	$map = cf::map::find $map
1505	or die "FATAL: cannot load emergency map\n";	2378	or die "FATAL: cannot load emergency map\n";
1506	}	2379	}
1507	}	2380	}
1508		2381
1509	($x, $y) = (-1, -1)	2382	($x, $y) = (-1, -1)
…		…
1512	# use -1 or undef as default coordinates, not 0, 0	2385	# use -1 or undef as default coordinates, not 0, 0
1513	($x, $y) = ($map->enter_x, $map->enter_y)	2386	($x, $y) = ($map->enter_x, $map->enter_y)
1514	if $x <=0 && $y <= 0;	2387	if $x <=0 && $y <= 0;
1515		2388
1516	$map->load;	2389	$map->load;
		2390	$map->load_neighbours;
1517		2391
		2392	return unless $self->contr->active;
1518	$self->activate_recursive;	2393	$self->activate_recursive;
		2394
		2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1519	$self->enter_map ($map, $x, $y);	2396	$self->enter_map ($map, $x, $y);
1520	}	2397	}
1521		2398
1522	cf::player->attach (	2399	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1523	on_logout => sub {
1524	my ($pl) = @_;
1525		2400
1526	# abort map switching before logout	2401	Moves the player to the given map-path and coordinates by first freezing
1527	if ($pl->ob->{_link_pos}) {	2402	her, loading and preparing them map, calling the provided $check callback
1528	cf::sync_job {	2403	that has to return the map if sucecssful, and then unfreezes the player on
1529	$pl->ob->leave_link	2404	the new (success) or old (failed) map position. In either case, $done will
1530	};	2405	be called at the end of this process.
1531	}
1532	},
1533	on_login => sub {
1534	my ($pl) = @_;
1535		2406
1536	# try to abort aborted map switching on player login :)
1537	# should happen only on crashes
1538	if ($pl->ob->{_link_pos}) {
1539	$pl->ob->enter_link;
1540	Coro::async {
1541	# we need this sleep as the login has a concurrent enter_exit running
1542	# and this sleep increases chances of the player not ending up in scorn
1543	Coro::Timer::sleep 1;
1544	$pl->ob->leave_link;
1545	};
1546	}
1547	},
1548	);
1549
1550	=item $player_object->goto_map ($path, $x, $y)
1551
1552	=cut	2407	=cut
1553		2408
		2409	our $GOTOGEN;
		2410
1554	sub cf::object::player::goto_map {	2411	sub cf::object::player::goto {
1555	my ($self, $path, $x, $y) = @_;	2412	my ($self, $path, $x, $y, $check, $done) = @_;
		2413
		2414	# do generation counting so two concurrent goto's will be executed in-order
		2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1556		2416
1557	$self->enter_link;	2417	$self->enter_link;
1558		2418
1559	(Coro::async {	2419	(async {
1560	$path = new cf::path $path;	2420	my $map = eval {
1561
1562	my $map = cf::map::find_map $path->as_string;	2421	my $map = cf::map::find $path;
		2422
		2423	if ($map) {
1563	$map = $map->customise_for ($self) if $map;	2424	$map = $map->customise_for ($self);
1564		2425	$map = $check->($map) if $check && $map;
1565	# warn "entering ", $map->path, " at ($x, $y)\n"	2426	} else {
1566	# if $map;
1567
1568	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2428	}
1569		2429
		2430	$map
		2431	};
		2432
		2433	if ($@) {
		2434	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2435	LOG llevError | logBacktrace, Carp::longmess $@;
		2436	}
		2437
		2438	if ($gen == $self->{_goto_generation}) {
		2439	delete $self->{_goto_generation};
1570	$self->leave_link ($map, $x, $y);	2440	$self->leave_link ($map, $x, $y);
		2441	}
		2442
		2443	$done->() if $done;
1571	})->prio (1);	2444	})->prio (1);
1572	}	2445	}
1573		2446
1574	=item $player_object->enter_exit ($exit_object)	2447	=item $player_object->enter_exit ($exit_object)
1575		2448
…		…
1577		2450
1578	sub parse_random_map_params {	2451	sub parse_random_map_params {
1579	my ($spec) = @_;	2452	my ($spec) = @_;
1580		2453
1581	my $rmp = { # defaults	2454	my $rmp = { # defaults
1582	xsize => 10,	2455	xsize => (cf::rndm 15, 40),
1583	ysize => 10,	2456	ysize => (cf::rndm 15, 40),
		2457	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2458	#layout => string,
1584	};	2459	};
1585		2460
1586	for (split /\n/, $spec) {	2461	for (split /\n/, $spec) {
1587	my ($k, $v) = split /\s+/, $_, 2;	2462	my ($k, $v) = split /\s+/, $_, 2;
1588		2463
…		…
1592	$rmp	2467	$rmp
1593	}	2468	}
1594		2469
1595	sub prepare_random_map {	2470	sub prepare_random_map {
1596	my ($exit) = @_;	2471	my ($exit) = @_;
		2472
		2473	my $guard = cf::lock_acquire "exit_prepare:$exit";
1597		2474
1598	# all this does is basically replace the /! path by	2475	# all this does is basically replace the /! path by
1599	# a new random map path (?random/...) with a seed	2476	# a new random map path (?random/...) with a seed
1600	# that depends on the exit object	2477	# that depends on the exit object
1601		2478
1602	my $rmp = parse_random_map_params $exit->msg;	2479	my $rmp = parse_random_map_params $exit->msg;
1603		2480
1604	if ($exit->map) {	2481	if ($exit->map) {
1605	$rmp->{region} = $exit->map->region_name;	2482	$rmp->{region} = $exit->region->name;
1606	$rmp->{origin_map} = $exit->map->path;	2483	$rmp->{origin_map} = $exit->map->path;
1607	$rmp->{origin_x} = $exit->x;	2484	$rmp->{origin_x} = $exit->x;
1608	$rmp->{origin_y} = $exit->y;	2485	$rmp->{origin_y} = $exit->y;
1609	}	2486	}
1610		2487
1611	$rmp->{random_seed} ||= $exit->random_seed;	2488	$rmp->{random_seed} ||= $exit->random_seed;
1612		2489
1613	my $data = cf::to_json $rmp;	2490	my $data = cf::to_json $rmp;
1614	my $md5 = Digest::MD5::md5_hex $data;	2491	my $md5 = Digest::MD5::md5_hex $data;
		2492	my $meta = "$RANDOMDIR/$md5.meta";
1615		2493
1616	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2494	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1617	aio_write $fh, 0, (length $data), $data, 0;	2495	aio_write $fh, 0, (length $data), $data, 0;
		2496	undef $fh;
		2497	aio_rename "$meta~", $meta;
1618		2498
1619	$exit->slaying ("?random/$md5");	2499	$exit->slaying ("?random/$md5");
1620	$exit->msg (undef);	2500	$exit->msg (undef);
1621	}	2501	}
1622	}	2502	}
…		…
1624	sub cf::object::player::enter_exit {	2504	sub cf::object::player::enter_exit {
1625	my ($self, $exit) = @_;	2505	my ($self, $exit) = @_;
1626		2506
1627	return unless $self->type == cf::PLAYER;	2507	return unless $self->type == cf::PLAYER;
1628		2508
		2509	if ($exit->slaying eq "/!") {
		2510	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2511	# the problem is that $exit might not survive long enough
		2512	# so it needs to be done right now, right here
		2513	cf::sync_job { prepare_random_map $exit };
		2514	}
		2515
		2516	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2517	my $hp = $exit->stats->hp;
		2518	my $sp = $exit->stats->sp;
		2519
1629	$self->enter_link;	2520	$self->enter_link;
1630		2521
		2522	# if exit is damned, update players death & WoR home-position
		2523	$self->contr->savebed ($slaying, $hp, $sp)
		2524	if $exit->flag (FLAG_DAMNED);
		2525
1631	(Coro::async {	2526	(async {
		2527	$self->deactivate_recursive; # just to be sure
1632	unless (eval {	2528	unless (eval {
1633		2529	$self->goto ($slaying, $hp, $sp);
1634	prepare_random_map $exit
1635	if $exit->slaying eq "/!";
1636
1637	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1638	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1639		2530
1640	1;	2531	1;
1641	}) {	2532	}) {
1642	$self->message ("Something went wrong deep within the crossfire server. "	2533	$self->message ("Something went wrong deep within the crossfire server. "
1643	. "I'll try to bring you back to the map you were before. "	2534	. "I'll try to bring you back to the map you were before. "
1644	. "Please report this to the dungeon master",	2535	. "Please report this to the dungeon master!",
1645	cf::NDI_UNIQUE | cf::NDI_RED);	2536	cf::NDI_UNIQUE | cf::NDI_RED);
1646		2537
1647	warn "ERROR in enter_exit: $@";	2538	warn "ERROR in enter_exit: $@";
1648	$self->leave_link;	2539	$self->leave_link;
1649	}	2540	}
1650	})->prio (1);	2541	})->prio (1);
…		…
1663		2554
1664	sub cf::client::send_drawinfo {	2555	sub cf::client::send_drawinfo {
1665	my ($self, $text, $flags) = @_;	2556	my ($self, $text, $flags) = @_;
1666		2557
1667	utf8::encode $text;	2558	utf8::encode $text;
1668	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2559	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1669	}	2560	}
1670		2561
		2562	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2563
		2564	Send a drawinfo or msg packet to the client, formatting the msg for the
		2565	client if neccessary. C<$type> should be a string identifying the type of
		2566	the message, with C<log> being the default. If C<$color> is negative, suppress
		2567	the message unless the client supports the msg packet.
		2568
		2569	=cut
		2570
		2571	our %CHANNEL = (
		2572	"c/identify" => {
		2573	id => "identify",
		2574	title => "Identify",
		2575	reply => undef,
		2576	tooltip => "Items recently identified",
		2577	},
		2578	"c/examine" => {
		2579	id => "examine",
		2580	title => "Examine",
		2581	reply => undef,
		2582	tooltip => "Signs and other items you examined",
		2583	},
		2584	);
		2585
		2586	sub cf::client::send_msg {
		2587	my ($self, $channel, $msg, $color, @extra) = @_;
		2588
		2589	$msg = $self->pl->expand_cfpod ($msg);
		2590
		2591	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2592
		2593	# check predefined channels, for the benefit of C
		2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2595
		2596	if (ref $channel) {
		2597	# send meta info to client, if not yet sent
		2598	unless (exists $self->{channel}{$channel->{id}}) {
		2599	$self->{channel}{$channel->{id}} = $channel;
		2600	$self->ext_msg (channel_info => $channel)
		2601	if $self->can_msg;
		2602	}
		2603
		2604	$channel = $channel->{id};
		2605	}
		2606
		2607	return unless @extra || length $msg;
		2608
		2609	if ($self->can_msg) {
		2610	# default colour, mask it out
		2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2612	if $color & cf::NDI_DEF;
		2613
		2614	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2616	} else {
		2617	if ($color >= 0) {
		2618	# replace some tags by gcfclient-compatible ones
		2619	for ($msg) {
		2620	1 while
		2621	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2622	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2623	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2624	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2625	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2626	}
		2627
		2628	$color &= cf::NDI_COLOR_MASK;
		2629
		2630	utf8::encode $msg;
		2631
		2632	if (0 && $msg =~ /\[/) {
		2633	# COMMAND/INFO
		2634	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2635	} else {
		2636	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2637	$self->send_packet ("drawinfo $color $msg")
		2638	}
		2639	}
		2640	}
		2641	}
		2642
		2643	=item $client->ext_msg ($type, @msg)
		2644
		2645	Sends an ext event to the client.
		2646
		2647	=cut
		2648
		2649	sub cf::client::ext_msg($$@) {
		2650	my ($self, $type, @msg) = @_;
		2651
		2652	if ($self->extcmd == 2) {
		2653	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2654	} elsif ($self->extcmd == 1) { # TODO: remove
		2655	push @msg, msgtype => "event_$type";
		2656	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2657	}
		2658	}
		2659
		2660	=item $client->ext_reply ($msgid, @msg)
		2661
		2662	Sends an ext reply to the client.
		2663
		2664	=cut
		2665
		2666	sub cf::client::ext_reply($$@) {
		2667	my ($self, $id, @msg) = @_;
		2668
		2669	if ($self->extcmd == 2) {
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2671	} elsif ($self->extcmd == 1) {
		2672	#TODO: version 1, remove
		2673	unshift @msg, msgtype => "reply", msgid => $id;
		2674	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2675	}
		2676	}
1671		2677
1672	=item $success = $client->query ($flags, "text", \&cb)	2678	=item $success = $client->query ($flags, "text", \&cb)
1673		2679
1674	Queues a query to the client, calling the given callback with	2680	Queues a query to the client, calling the given callback with
1675	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2681	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1676	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2682	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1677		2683
1678	Queries can fail, so check the return code. Or don't, as queries will become	2684	Queries can fail, so check the return code. Or don't, as queries will
1679	reliable at some point in the future.	2685	become reliable at some point in the future.
1680		2686
1681	=cut	2687	=cut
1682		2688
1683	sub cf::client::query {	2689	sub cf::client::query {
1684	my ($self, $flags, $text, $cb) = @_;	2690	my ($self, $flags, $text, $cb) = @_;
…		…
1692	utf8::encode $text;	2698	utf8::encode $text;
1693	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2699	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1694		2700
1695	$self->send_packet ($self->{query_queue}[0][0])	2701	$self->send_packet ($self->{query_queue}[0][0])
1696	if @{ $self->{query_queue} } == 1;	2702	if @{ $self->{query_queue} } == 1;
		2703
		2704	1
1697	}	2705	}
1698		2706
1699	cf::client->attach (	2707	cf::client->attach (
		2708	on_connect => sub {
		2709	my ($ns) = @_;
		2710
		2711	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2712	},
1700	on_reply => sub {	2713	on_reply => sub {
1701	my ($ns, $msg) = @_;	2714	my ($ns, $msg) = @_;
1702		2715
1703	# this weird shuffling is so that direct followup queries	2716	# this weird shuffling is so that direct followup queries
1704	# get handled first	2717	# get handled first
1705	my $queue = delete $ns->{query_queue};	2718	my $queue = delete $ns->{query_queue}
		2719	or return; # be conservative, not sure how that can happen, but we saw a crash here
1706		2720
1707	(shift @$queue)->[1]->($msg);	2721	(shift @$queue)->[1]->($msg);
		2722	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1708		2723
1709	push @{ $ns->{query_queue} }, @$queue;	2724	push @{ $ns->{query_queue} }, @$queue;
1710		2725
1711	if (@{ $ns->{query_queue} } == @$queue) {	2726	if (@{ $ns->{query_queue} } == @$queue) {
1712	if (@$queue) {	2727	if (@$queue) {
…		…
1714	} else {	2729	} else {
1715	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1716	}	2731	}
1717	}	2732	}
1718	},	2733	},
		2734	on_exticmd => sub {
		2735	my ($ns, $buf) = @_;
		2736
		2737	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2738
		2739	if (ref $msg) {
		2740	my ($type, $reply, @payload) =
		2741	"ARRAY" eq ref $msg
		2742	? @$msg
		2743	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2744
		2745	my @reply;
		2746
		2747	if (my $cb = $EXTICMD{$type}) {
		2748	@reply = $cb->($ns, @payload);
		2749	}
		2750
		2751	$ns->ext_reply ($reply, @reply)
		2752	if $reply;
		2753
		2754	} else {
		2755	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2756	}
		2757
		2758	cf::override;
		2759	},
1719	);	2760	);
1720		2761
1721	=item $client->coro (\&cb)	2762	=item $client->async (\&cb)
1722		2763
1723	Create a new coroutine, running the specified callback. The coroutine will	2764	Create a new coroutine, running the specified callback. The coroutine will
1724	be automatically cancelled when the client gets destroyed (e.g. on logout,	2765	be automatically cancelled when the client gets destroyed (e.g. on logout,
1725	or loss of connection).	2766	or loss of connection).
1726		2767
1727	=cut	2768	=cut
1728		2769
1729	sub cf::client::coro {	2770	sub cf::client::async {
1730	my ($self, $cb) = @_;	2771	my ($self, $cb) = @_;
1731		2772
1732	my $coro; $coro = async {	2773	my $coro = &Coro::async ($cb);
1733	eval {
1734	$cb->();
1735	};
1736	warn $@ if $@;
1737	};
1738		2774
1739	$coro->on_destroy (sub {	2775	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2776	delete $self->{_coro}{$coro+0};
1741	});	2777	});
1742		2778
…		…
1769	our $safe = new Safe "safe";	2805	our $safe = new Safe "safe";
1770	our $safe_hole = new Safe::Hole;	2806	our $safe_hole = new Safe::Hole;
1771		2807
1772	$SIG{FPE} = 'IGNORE';	2808	$SIG{FPE} = 'IGNORE';
1773		2809
1774	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2810	$safe->permit_only (Opcode::opset qw(
		2811	:base_core :base_mem :base_orig :base_math
		2812	grepstart grepwhile mapstart mapwhile
		2813	sort time
		2814	));
1775		2815
1776	# here we export the classes and methods available to script code	2816	# here we export the classes and methods available to script code
1777		2817
1778	=pod	2818	=pod
1779		2819
1780	The following fucntions and emthods are available within a safe environment:	2820	The following functions and methods are available within a safe environment:
1781		2821
1782	cf::object contr pay_amount pay_player map	2822	cf::object
		2823	contr pay_amount pay_player map x y force_find force_add
		2824	insert remove name archname title slaying race decrease_ob_nr
		2825
1783	cf::object::player player	2826	cf::object::player
1784	cf::player peaceful	2827	player
1785	cf::map trigger	2828
		2829	cf::player
		2830	peaceful
		2831
		2832	cf::map
		2833	trigger
1786		2834
1787	=cut	2835	=cut
1788		2836
1789	for (	2837	for (
1790	["cf::object" => qw(contr pay_amount pay_player map)],	2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2839	insert remove inv name archname title slaying race
		2840	decrease_ob_nr)],
1791	["cf::object::player" => qw(player)],	2841	["cf::object::player" => qw(player)],
1792	["cf::player" => qw(peaceful)],	2842	["cf::player" => qw(peaceful)],
1793	["cf::map" => qw(trigger)],	2843	["cf::map" => qw(trigger)],
1794	) {	2844	) {
1795	no strict 'refs';	2845	no strict 'refs';
…		…
1866	=back	2916	=back
1867		2917
1868	=cut	2918	=cut
1869		2919
1870	#############################################################################	2920	#############################################################################
		2921	# the server's init and main functions
1871		2922
1872	=head2 EXTENSION DATABASE SUPPORT	2923	sub load_facedata($) {
		2924	my ($path) = @_;
1873		2925
1874	Crossfire maintains a very simple database for extension use. It can	2926	# HACK to clear player env face cache, we need some signal framework
1875	currently store anything that can be serialised using Storable, which	2927	# for this (global event?)
1876	excludes objects.	2928	%ext::player_env::MUSIC_FACE_CACHE = ();
1877		2929
1878	The parameter C<$family> should best start with the name of the extension	2930	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1879	using it, it should be unique.
1880		2931
1881	=over 4	2932	warn "loading facedata from $path\n";
1882		2933
1883	=item $hashref = cf::db_get $family	2934	my $facedata;
		2935	0 < aio_load $path, $facedata
		2936	or die "$path: $!";
1884		2937
1885	Return a hashref for use by the extension C<$family>, which can be	2938	$facedata = Coro::Storable::thaw $facedata;
1886	modified. After modifications, you have to call C<cf::db_dirty> or
1887	C<cf::db_sync>.
1888		2939
1889	=item $value = cf::db_get $family => $key	2940	$facedata->{version} == 2
		2941	or cf::cleanup "$path: version mismatch, cannot proceed.";
1890		2942
1891	Returns a single value from the database	2943	# patch in the exptable
1892		2944	$facedata->{resource}{"res/exp_table"} = {
1893	=item cf::db_put $family => $hashref	2945	type => FT_RSRC,
1894		2946	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1895	Stores the given family hashref into the database. Updates are delayed, if
1896	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1897
1898	=item cf::db_put $family => $key => $value
1899
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you
1901	want the data to be synced to disk immediately, use C<cf::db_sync>.
1902
1903	=item cf::db_dirty
1904
1905	Marks the database as dirty, to be updated at a later time.
1906
1907	=item cf::db_sync
1908
1909	Immediately write the database to disk I<if it is dirty>.
1910
1911	=cut
1912
1913	our $DB;
1914
1915	{
1916	my $path = cf::localdir . "/database.pst";
1917
1918	sub db_load() {
1919	warn "loading database $path\n";#d# remove later
1920	$DB = stat $path ? Storable::retrieve $path : { };
1921	}
1922
1923	my $pid;
1924
1925	sub db_save() {
1926	warn "saving database $path\n";#d# remove later
1927	waitpid $pid, 0 if $pid;
1928	if (0 == ($pid = fork)) {
1929	$DB->{_meta}{version} = 1;
1930	Storable::nstore $DB, "$path~";
1931	rename "$path~", $path;
1932	cf::_exit 0 if defined $pid;
1933	}
1934	}
1935
1936	my $dirty;
1937
1938	sub db_sync() {
1939	db_save if $dirty;
1940	undef $dirty;
1941	}
1942
1943	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1944	db_sync;
1945	});	2947	};
		2948	cf::cede_to_tick;
1946		2949
1947	sub db_dirty() {
1948	$dirty = 1;
1949	$idle->start;
1950	}	2950	{
		2951	my $faces = $facedata->{faceinfo};
1951		2952
1952	sub db_get($;$) {	2953	while (my ($face, $info) = each %$faces) {
1953	@_ >= 2	2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1954	? $DB->{$_[0]}{$_[1]}	2955	cf::face::set_visibility $idx, $info->{visibility};
1955	: ($DB->{$_[0]} ||= { })	2956	cf::face::set_magicmap $idx, $info->{magicmap};
1956	}	2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2958	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1957		2959
1958	sub db_put($$;$) {	2960	cf::cede_to_tick;
1959	if (@_ >= 3) {
1960	$DB->{$_[0]}{$_[1]} = $_[2];
1961	} else {
1962	$DB->{$_[0]} = $_[1];
1963	}
1964	db_dirty;
1965	}
1966
1967	cf::global->attach (
1968	prio => 10000,
1969	on_cleanup => sub {
1970	db_sync;
1971	},	2961	}
1972	);
1973	}
1974		2962
1975	#############################################################################	2963	while (my ($face, $info) = each %$faces) {
1976	# the server's main()	2964	next unless $info->{smooth};
		2965	my $idx = cf::face::find $face
		2966	or next;
		2967	if (my $smooth = cf::face::find $info->{smooth}) {
		2968	cf::face::set_smooth $idx, $smooth;
		2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2970	} else {
		2971	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2972	}
1977		2973
1978	sub cfg_load {	2974	cf::cede_to_tick;
		2975	}
		2976	}
		2977
		2978	{
		2979	my $anims = $facedata->{animinfo};
		2980
		2981	while (my ($anim, $info) = each %$anims) {
		2982	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2983	cf::cede_to_tick;
		2984	}
		2985
		2986	cf::anim::invalidate_all; # d'oh
		2987	}
		2988
		2989	{
		2990	# TODO: for gcfclient pleasure, we should give resources
		2991	# that gcfclient doesn't grok a >10000 face index.
		2992	my $res = $facedata->{resource};
		2993
		2994	my $soundconf = delete $res->{"res/sound.conf"};
		2995
		2996	while (my ($name, $info) = each %$res) {
		2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2998	my $data;
		2999
		3000	if ($info->{type} & 1) {
		3001	# prepend meta info
		3002
		3003	my $meta = $enc->encode ({
		3004	name => $name,
		3005	%{ $info->{meta} || {} },
		3006	});
		3007
		3008	$data = pack "(w/a*)*", $meta, $info->{data};
		3009	} else {
		3010	$data = $info->{data};
		3011	}
		3012
		3013	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3014	cf::face::set_type $idx, $info->{type};
		3015
		3016	cf::cede_to_tick;
		3017	}
		3018
		3019	if ($soundconf) {
		3020	$soundconf = $enc->decode (delete $soundconf->{data});
		3021
		3022	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3023	my $sound = $soundconf->{compat}[$_]
		3024	or next;
		3025
		3026	my $face = cf::face::find "sound/$sound->[1]";
		3027	cf::sound::set $sound->[0] => $face;
		3028	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3029	}
		3030
		3031	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3032	my $face = cf::face::find "sound/$v";
		3033	cf::sound::set $k => $face;
		3034	}
		3035	}
		3036	}
		3037
		3038	1
		3039	}
		3040
		3041	register_exticmd fx_want => sub {
		3042	my ($ns, $want) = @_;
		3043
		3044	while (my ($k, $v) = each %$want) {
		3045	$ns->fx_want ($k, $v);
		3046	}
		3047	};
		3048
		3049	sub reload_regions {
		3050	# HACK to clear player env face cache, we need some signal framework
		3051	# for this (global event?)
		3052	%ext::player_env::MUSIC_FACE_CACHE = ();
		3053
		3054	load_resource_file "$MAPDIR/regions"
		3055	or die "unable to load regions file\n";
		3056
		3057	for (cf::region::list) {
		3058	$_->{match} = qr/$_->{match}/
		3059	if exists $_->{match};
		3060	}
		3061	}
		3062
		3063	sub reload_facedata {
		3064	load_facedata "$DATADIR/facedata"
		3065	or die "unable to load facedata\n";
		3066	}
		3067
		3068	sub reload_archetypes {
		3069	load_resource_file "$DATADIR/archetypes"
		3070	or die "unable to load archetypes\n";
		3071	#d# NEED to laod twice to resolve forward references
		3072	# this really needs to be done in an extra post-pass
		3073	# (which needs to be synchronous, so solve it differently)
		3074	load_resource_file "$DATADIR/archetypes"
		3075	or die "unable to load archetypes\n";
		3076	}
		3077
		3078	sub reload_treasures {
		3079	load_resource_file "$DATADIR/treasures"
		3080	or die "unable to load treasurelists\n";
		3081	}
		3082
		3083	sub reload_resources {
		3084	warn "reloading resource files...\n";
		3085
		3086	reload_regions;
		3087	reload_facedata;
		3088	#reload_archetypes;#d#
		3089	reload_archetypes;
		3090	reload_treasures;
		3091
		3092	warn "finished reloading resource files\n";
		3093	}
		3094
		3095	sub init {
		3096	reload_resources;
		3097	}
		3098
		3099	sub reload_config {
1979	open my $fh, "<:utf8", cf::confdir . "/config"	3100	open my $fh, "<:utf8", "$CONFDIR/config"
1980	or return;	3101	or return;
1981		3102
1982	local $/;	3103	local $/;
1983	*CFG = YAML::Syck::Load <$fh>;	3104	*CFG = YAML::Syck::Load <$fh>;
		3105
		3106	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3107
		3108	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3109	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3110
		3111	if (exists $CFG{mlockall}) {
		3112	eval {
		3113	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3114	and die "WARNING: m(un)lockall failed: $!\n";
		3115	};
		3116	warn $@ if $@;
		3117	}
1984	}	3118	}
1985		3119
1986	sub main {	3120	sub main {
1987	# we must not ever block the main coroutine	3121	# we must not ever block the main coroutine
1988	local $Coro::idle = sub {	3122	local $Coro::idle = sub {
1989	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3123	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1990	(Coro::unblock_sub {	3124	(async {
1991	Event::one_event;	3125	Event::one_event;
1992	})->();	3126	})->prio (Coro::PRIO_MAX);
1993	};	3127	};
1994		3128
1995	cfg_load;	3129	reload_config;
1996	db_load;	3130	db_init;
1997	load_extensions;	3131	load_extensions;
		3132
		3133	$TICK_WATCHER->start;
1998	Event::loop;	3134	Event::loop;
1999	}	3135	}
2000		3136
2001	#############################################################################	3137	#############################################################################
2002	# initialisation	3138	# initialisation and cleanup
2003		3139
		3140	# install some emergency cleanup handlers
		3141	BEGIN {
		3142	for my $signal (qw(INT HUP TERM)) {
		3143	Event->signal (
		3144	reentrant => 0,
		3145	data => WF_AUTOCANCEL,
		3146	signal => $signal,
		3147	prio => 0,
		3148	cb => sub {
		3149	cf::cleanup "SIG$signal";
		3150	},
		3151	);
		3152	}
		3153	}
		3154
		3155	sub write_runtime {
		3156	my $runtime = "$LOCALDIR/runtime";
		3157
		3158	# first touch the runtime file to show we are still running:
		3159	# the fsync below can take a very very long time.
		3160
		3161	IO::AIO::aio_utime $runtime, undef, undef;
		3162
		3163	my $guard = cf::lock_acquire "write_runtime";
		3164
		3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3166	or return;
		3167
		3168	my $value = $cf::RUNTIME + 90 + 10;
		3169	# 10 is the runtime save interval, for a monotonic clock
		3170	# 60 allows for the watchdog to kill the server.
		3171
		3172	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3173	and return;
		3174
		3175	# always fsync - this file is important
		3176	aio_fsync $fh
		3177	and return;
		3178
		3179	# touch it again to show we are up-to-date
		3180	aio_utime $fh, undef, undef;
		3181
		3182	close $fh
		3183	or return;
		3184
		3185	aio_rename "$runtime~", $runtime
		3186	and return;
		3187
		3188	warn "runtime file written.\n";
		3189
		3190	1
		3191	}
		3192
		3193	sub emergency_save() {
		3194	my $freeze_guard = cf::freeze_mainloop;
		3195
		3196	warn "enter emergency perl save\n";
		3197
		3198	cf::sync_job {
		3199	# use a peculiar iteration method to avoid tripping on perl
		3200	# refcount bugs in for. also avoids problems with players
		3201	# and maps saved/destroyed asynchronously.
		3202	warn "begin emergency player save\n";
		3203	for my $login (keys %cf::PLAYER) {
		3204	my $pl = $cf::PLAYER{$login} or next;
		3205	$pl->valid or next;
		3206	$pl->save;
		3207	}
		3208	warn "end emergency player save\n";
		3209
		3210	warn "begin emergency map save\n";
		3211	for my $path (keys %cf::MAP) {
		3212	my $map = $cf::MAP{$path} or next;
		3213	$map->valid or next;
		3214	$map->save;
		3215	}
		3216	warn "end emergency map save\n";
		3217
		3218	warn "begin emergency database checkpoint\n";
		3219	BDB::db_env_txn_checkpoint $DB_ENV;
		3220	warn "end emergency database checkpoint\n";
		3221	};
		3222
		3223	warn "leave emergency perl save\n";
		3224	}
		3225
		3226	sub post_cleanup {
		3227	my ($make_core) = @_;
		3228
		3229	warn Carp::longmess "post_cleanup backtrace"
		3230	if $make_core;
		3231	}
		3232
2004	sub reload() {	3233	sub do_reload_perl() {
2005	# can/must only be called in main	3234	# can/must only be called in main
2006	if ($Coro::current != $Coro::main) {	3235	if ($Coro::current != $Coro::main) {
2007	warn "can only reload from main coroutine\n";	3236	warn "can only reload from main coroutine";
2008	return;	3237	return;
2009	}	3238	}
2010		3239
2011	warn "reloading...";	3240	warn "reloading...";
2012		3241
2013	local $FREEZE = 1;	3242	warn "entering sync_job";
		3243
		3244	cf::sync_job {
		3245	cf::write_runtime; # external watchdog should not bark
2014	cf::emergency_save;	3246	cf::emergency_save;
		3247	cf::write_runtime; # external watchdog should not bark
2015		3248
2016	eval {	3249	warn "syncing database to disk";
		3250	BDB::db_env_txn_checkpoint $DB_ENV;
		3251
2017	# if anything goes wrong in here, we should simply crash as we already saved	3252	# if anything goes wrong in here, we should simply crash as we already saved
2018		3253
2019	# cancel all watchers	3254	warn "cancelling all WF_AUTOCANCEL watchers";
2020	for (Event::all_watchers) {	3255	for (Event::all_watchers) {
2021	$_->cancel if $_->data & WF_AUTOCANCEL;	3256	$_->cancel if $_->data & WF_AUTOCANCEL;
2022	}	3257	}
2023		3258
		3259	warn "flushing outstanding aio requests";
		3260	for (;;) {
		3261	BDB::flush;
		3262	IO::AIO::flush;
		3263	Coro::cede;
		3264	last unless IO::AIO::nreqs || BDB::nreqs;
		3265	warn "iterate...";
		3266	}
		3267
		3268	++$RELOAD;
		3269
2024	# cancel all extension coros	3270	warn "cancelling all extension coros";
2025	$_->cancel for values %EXT_CORO;	3271	$_->cancel for values %EXT_CORO;
2026	%EXT_CORO = ();	3272	%EXT_CORO = ();
2027		3273
2028	# unload all extensions	3274	warn "removing commands";
2029	for (@exts) {	3275	%COMMAND = ();
		3276
		3277	warn "removing ext/exti commands";
		3278	%EXTCMD = ();
		3279	%EXTICMD = ();
		3280
		3281	warn "unloading/nuking all extensions";
		3282	for my $pkg (@EXTS) {
2030	warn "unloading <$_>";	3283	warn "... unloading $pkg";
2031	unload_extension $_;	3284
		3285	if (my $cb = $pkg->can ("unload")) {
		3286	eval {
		3287	$cb->($pkg);
		3288	1
		3289	} or warn "$pkg unloaded, but with errors: $@";
2032	}	3290	}
2033		3291
		3292	warn "... nuking $pkg";
		3293	Symbol::delete_package $pkg;
		3294	}
		3295
2034	# unload all modules loaded from $LIBDIR	3296	warn "unloading all perl modules loaded from $LIBDIR";
2035	while (my ($k, $v) = each %INC) {	3297	while (my ($k, $v) = each %INC) {
2036	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3298	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2037		3299
2038	warn "removing <$k>";	3300	warn "... unloading $k";
2039	delete $INC{$k};	3301	delete $INC{$k};
2040		3302
2041	$k =~ s/\.pm$//;	3303	$k =~ s/\.pm$//;
2042	$k =~ s/\//::/g;	3304	$k =~ s/\//::/g;
2043		3305
…		…
2046	}	3308	}
2047		3309
2048	Symbol::delete_package $k;	3310	Symbol::delete_package $k;
2049	}	3311	}
2050		3312
2051	# sync database to disk
2052	cf::db_sync;
2053	IO::AIO::flush;
2054
2055	# get rid of safe::, as good as possible	3313	warn "getting rid of safe::, as good as possible";
2056	Symbol::delete_package "safe::$_"	3314	Symbol::delete_package "safe::$_"
2057	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3315	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2058		3316
2059	# remove register_script_function callbacks
2060	# TODO
2061
2062	# unload cf.pm "a bit"	3317	warn "unloading cf.pm \"a bit\"";
2063	delete $INC{"cf.pm"};	3318	delete $INC{"cf.pm"};
		3319	delete $INC{"cf/pod.pm"};
2064		3320
2065	# don't, removes xs symbols, too,	3321	# don't, removes xs symbols, too,
2066	# and global variables created in xs	3322	# and global variables created in xs
2067	#Symbol::delete_package __PACKAGE__;	3323	#Symbol::delete_package __PACKAGE__;
2068		3324
2069	# reload cf.pm	3325	warn "unload completed, starting to reload now";
		3326
2070	warn "reloading cf.pm";	3327	warn "reloading cf.pm";
2071	require cf;	3328	require cf;
2072	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2073		3330
2074	# load config and database again	3331	warn "loading config and database again";
2075	cf::cfg_load;	3332	cf::reload_config;
2076	cf::db_load;
2077		3333
2078	# load extensions
2079	warn "load extensions";	3334	warn "loading extensions";
2080	cf::load_extensions;	3335	cf::load_extensions;
2081		3336
2082	# reattach attachments to objects	3337	warn "reattaching attachments to objects/players";
2083	warn "reattach";	3338	_global_reattach; # objects, sockets
2084	_global_reattach;	3339	warn "reattaching attachments to maps";
2085	};	3340	reattach $_ for values %MAP;
		3341	warn "reattaching attachments to players";
		3342	reattach $_ for values %PLAYER;
2086		3343
2087	if ($@) {	3344	warn "leaving sync_job";
		3345
		3346	1
		3347	} or do {
2088	warn $@;	3348	warn $@;
2089	warn "error while reloading, exiting.";	3349	warn "error while reloading, exiting.";
2090	exit 1;	3350	exit 1;
2091	}	3351	};
2092		3352
2093	warn "reloaded successfully";	3353	warn "reloaded";
2094	};	3354	};
2095		3355
2096	#############################################################################	3356	our $RELOAD_WATCHER; # used only during reload
2097		3357
2098	unless ($LINK_MAP) {	3358	sub reload_perl() {
2099	$LINK_MAP = cf::map::new;	3359	# doing reload synchronously and two reloads happen back-to-back,
		3360	# coro crashes during coro_state_free->destroy here.
2100		3361
2101	$LINK_MAP->width (41);	3362	$RELOAD_WATCHER ||= Event->timer (
2102	$LINK_MAP->height (41);	3363	reentrant => 0,
2103	$LINK_MAP->alloc;
2104	$LINK_MAP->path ("{link}");
2105	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2106	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2107
2108	# dirty hack because... archetypes are not yet loaded
2109	Event->timer (
2110	after => 2,	3364	after => 0,
		3365	data => WF_AUTOCANCEL,
2111	cb => sub {	3366	cb => sub {
2112	$_[0]->w->cancel;	3367	do_reload_perl;
2113		3368	undef $RELOAD_WATCHER;
2114	# provide some exits "home"
2115	my $exit = cf::object::new "exit";
2116
2117	$exit->slaying ($EMERGENCY_POSITION->[0]);
2118	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2119	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2120
2121	$LINK_MAP->insert ($exit->clone, 19, 19);
2122	$LINK_MAP->insert ($exit->clone, 19, 20);
2123	$LINK_MAP->insert ($exit->clone, 19, 21);
2124	$LINK_MAP->insert ($exit->clone, 20, 19);
2125	$LINK_MAP->insert ($exit->clone, 20, 21);
2126	$LINK_MAP->insert ($exit->clone, 21, 19);
2127	$LINK_MAP->insert ($exit->clone, 21, 20);
2128	$LINK_MAP->insert ($exit->clone, 21, 21);
2129
2130	$exit->destroy;
2131	});	3369	},
2132		3370	);
2133	$LINK_MAP->{deny_save} = 1;
2134	$LINK_MAP->{deny_reset} = 1;
2135
2136	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2137	}	3371	}
2138
2139	register "<global>", __PACKAGE__;
2140		3372
2141	register_command "reload" => sub {	3373	register_command "reload" => sub {
2142	my ($who, $arg) = @_;	3374	my ($who, $arg) = @_;
2143		3375
2144	if ($who->flag (FLAG_WIZ)) {	3376	if ($who->flag (FLAG_WIZ)) {
2145	$who->message ("start of reload.");
2146	reload;
2147	$who->message ("end of reload.");	3377	$who->message ("reloading server.");
		3378	async { reload_perl };
2148	}	3379	}
2149	};	3380	};
2150		3381
2151	unshift @INC, $LIBDIR;	3382	unshift @INC, $LIBDIR;
2152		3383
		3384	my $bug_warning = 0;
		3385
		3386	our @WAIT_FOR_TICK;
		3387	our @WAIT_FOR_TICK_BEGIN;
		3388
		3389	sub wait_for_tick {
		3390	return unless $TICK_WATCHER->is_active;
		3391	return if $Coro::current == $Coro::main;
		3392
		3393	my $signal = new Coro::Signal;
		3394	push @WAIT_FOR_TICK, $signal;
		3395	$signal->wait;
		3396	}
		3397
		3398	sub wait_for_tick_begin {
		3399	return unless $TICK_WATCHER->is_active;
		3400	return if $Coro::current == $Coro::main;
		3401
		3402	my $signal = new Coro::Signal;
		3403	push @WAIT_FOR_TICK_BEGIN, $signal;
		3404	$signal->wait;
		3405	}
		3406
		3407	my $min = 1e6;#d#
		3408	my $avg = 10;
2153	$TICK_WATCHER = Event->timer (	3409	$TICK_WATCHER = Event->timer (
2154	reentrant => 0,	3410	reentrant => 0,
		3411	parked => 1,
2155	prio => 0,	3412	prio => 0,
2156	at => $NEXT_TICK || $TICK,	3413	at => $NEXT_TICK || $TICK,
2157	data => WF_AUTOCANCEL,	3414	data => WF_AUTOCANCEL,
2158	cb => sub {	3415	cb => sub {
2159	unless ($FREEZE) {	3416	if ($Coro::current != $Coro::main) {
		3417	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3418	unless ++$bug_warning > 10;
		3419	return;
		3420	}
		3421
		3422	$NOW = $tick_start = Event::time;
		3423
2160	cf::server_tick; # one server iteration	3424	cf::server_tick; # one server iteration
2161	$RUNTIME += $TICK;	3425
		3426	0 && sync_job {#d#
		3427	for(1..10) {
		3428	my $t = Event::time;
		3429	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3430	or die;
		3431
		3432	$map->width (50);
		3433	$map->height (50);
		3434	$map->alloc;
		3435	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3436	my $t = Event::time - $t;
		3437
		3438	#next unless $t < 0.0013;#d#
		3439	if ($t < $min) {
		3440	$min = $t;
		3441	}
		3442	$avg = $avg * 0.99 + $t * 0.01;
		3443	}
		3444	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3445	exit 0;
		3446	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2162	}	3447	};
2163		3448
		3449	$RUNTIME += $TICK;
2164	$NEXT_TICK += $TICK;	3450	$NEXT_TICK += $TICK;
2165		3451
		3452	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3453	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3454	Coro::async_pool {
		3455	write_runtime
		3456	or warn "ERROR: unable to write runtime file: $!";
		3457	};
		3458	}
		3459
		3460	# my $AFTER = Event::time;
		3461	# warn $AFTER - $NOW;#d#
		3462
		3463	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3464	$sig->send;
		3465	}
		3466	while (my $sig = shift @WAIT_FOR_TICK) {
		3467	$sig->send;
		3468	}
		3469
		3470	$NOW = Event::time;
		3471
2166	# if we are delayed by four ticks or more, skip them all	3472	# if we are delayed by four ticks or more, skip them all
2167	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2168		3474
2169	$TICK_WATCHER->at ($NEXT_TICK);	3475	$TICK_WATCHER->at ($NEXT_TICK);
2170	$TICK_WATCHER->start;	3476	$TICK_WATCHER->start;
		3477
		3478	$LOAD = ($NOW - $tick_start) / $TICK;
		3479	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3480
		3481	_post_tick;
		3482
		3483
2171	},	3484	},
2172	);	3485	);
2173		3486
		3487	{
2174	IO::AIO::max_poll_time $TICK * 0.2;	3488	BDB::max_poll_time $TICK * 0.1;
2175		3489	$BDB_POLL_WATCHER = Event->io (
2176	Event->io (	3490	reentrant => 0,
2177	fd => IO::AIO::poll_fileno,	3491	fd => BDB::poll_fileno,
2178	poll => 'r',	3492	poll => 'r',
2179	prio => 5,	3493	prio => 0,
2180	data => WF_AUTOCANCEL,
2181	cb => \&IO::AIO::poll_cb,
2182	);
2183
2184	Event->timer (
2185	data => WF_AUTOCANCEL,	3494	data => WF_AUTOCANCEL,
2186	after => 0,	3495	cb => \&BDB::poll_cb,
2187	interval => 10,	3496	);
2188	cb => sub {	3497	BDB::min_parallel 8;
2189	(Coro::unblock_sub {	3498
2190	write_runtime	3499	BDB::set_sync_prepare {
2191	or warn "ERROR: unable to write runtime file: $!";	3500	my $status;
		3501	my $current = $Coro::current;
		3502	(
		3503	sub {
		3504	$status = $!;
		3505	$current->ready; undef $current;
		3506	},
		3507	sub {
		3508	Coro::schedule while defined $current;
		3509	$! = $status;
		3510	},
		3511	)
		3512	};
		3513
		3514	unless ($DB_ENV) {
		3515	$DB_ENV = BDB::db_env_create;
		3516
		3517	cf::sync_job {
		3518	eval {
		3519	BDB::db_env_open
		3520	$DB_ENV,
		3521	$BDBDIR,
		3522	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3523	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3524	0666;
		3525
		3526	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3527
		3528	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3529	$DB_ENV->set_lk_detect;
		3530	};
		3531
		3532	cf::cleanup "db_env_open(db): $@" if $@;
2192	})->();	3533	};
2193	},	3534	}
2194	);	3535	}
		3536
		3537	{
		3538	IO::AIO::min_parallel 8;
		3539
		3540	undef $Coro::AIO::WATCHER;
		3541	IO::AIO::max_poll_time $TICK * 0.1;
		3542	$AIO_POLL_WATCHER = Event->io (
		3543	reentrant => 0,
		3544	data => WF_AUTOCANCEL,
		3545	fd => IO::AIO::poll_fileno,
		3546	poll => 'r',
		3547	prio => 6,
		3548	cb => \&IO::AIO::poll_cb,
		3549	);
		3550	}
		3551
		3552	my $_log_backtrace;
		3553
		3554	sub _log_backtrace {
		3555	my ($msg, @addr) = @_;
		3556
		3557	$msg =~ s/\n//;
		3558
		3559	# limit the # of concurrent backtraces
		3560	if ($_log_backtrace < 2) {
		3561	++$_log_backtrace;
		3562	async {
		3563	my @bt = fork_call {
		3564	@addr = map { sprintf "%x", $_ } @addr;
		3565	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3566	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3567	or die "addr2line: $!";
		3568
		3569	my @funcs;
		3570	my @res = <$fh>;
		3571	chomp for @res;
		3572	while (@res) {
		3573	my ($func, $line) = splice @res, 0, 2, ();
		3574	push @funcs, "[$func] $line";
		3575	}
		3576
		3577	@funcs
		3578	};
		3579
		3580	LOG llevInfo, "[ABT] $msg\n";
		3581	LOG llevInfo, "[ABT] $_\n" for @bt;
		3582	--$_log_backtrace;
		3583	};
		3584	} else {
		3585	LOG llevInfo, "[ABT] $msg\n";
		3586	LOG llevInfo, "[ABT] [suppressed]\n";
		3587	}
		3588	}
		3589
		3590	# load additional modules
		3591	use cf::pod;
		3592
		3593	END { cf::emergency_save }
2195		3594
2196	1	3595	1
2197		3596

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines