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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.133 by root, Thu Jan 4 16:19:32 2007 UTC vs.
Revision 1.356 by root, Tue Sep 4 05:43:21 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 $RANDOM_MAPS = cf::localdir . "/random";	94	our $LINK_MAP; # the special {link} map, which is always available
55	our %EXT_CORO;	95
		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 $tick_start; # for load detecting purposes
56		102
57	binmode STDOUT;	103	binmode STDOUT;
58	binmode STDERR;	104	binmode STDERR;
59		105
60	# read virtual server time, if available	106	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
65	}	111	}
66		112
67	mkdir cf::localdir;	113	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		115
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
76		119
77	#############################################################################	120	#############################################################################
78		121
79	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
80		123
…		…
87	=item $cf::RUNTIME	130	=item $cf::RUNTIME
88		131
89	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
90	every server tick.	133	every server tick.
91		134
92	=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
93		138
94	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
95	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.
96		143
97	=item $cf::NOW	144	=item $cf::NOW
98		145
99	The time of the last (current) server tick.	146	The time of the last (current) server tick.
100		147
101	=item $cf::TICK	148	=item $cf::TICK
102		149
103	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.
104		161
105	=item %cf::CFG	162	=item %cf::CFG
106		163
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		178
110	=back	179	=back
111		180
112	=cut	181	=cut
113		182
114	BEGIN {	183	BEGIN {
115	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	185	my $msg = join "", @_;
117	utf8::encode $msg;
118		186
119	$msg .= "\n"	187	$msg .= "\n"
120	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
121		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
123	};	194	};
124	}	195	}
125		196
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@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';
131	@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)
132		204
133	# 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
134	# within the Safe compartment.	206	# within the Safe compartment.
135	for my $pkg (qw(	207	for my $pkg (qw(
136	cf::global cf::attachable	208	cf::global cf::attachable
…		…
145		217
146	$Event::DIED = sub {	218	$Event::DIED = sub {
147	warn "error in event callback: @_";	219	warn "error in event callback: @_";
148	};	220	};
149		221
150	my %ext_pkg;	222	#############################################################################
151	my @exts;
152	my @hook;
153		223
154	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
155		225
156	=over 4	226	=over 4
157		227
158	=cut	228	=item dumpval $ref
159		229
160	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	}
161		250
162	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
163		252
164	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
165		254
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
174		256
175	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
176		258
177	=cut	259	=cut
178		260
179	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		262
184	=item my $guard = cf::guard { BLOCK }	263	sub to_json ($) { $json_coder->encode ($_[0]) }
185		264	sub from_json ($) { $json_coder->decode ($_[0]) }
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205		265
206	=item cf::lock_wait $string	266	=item cf::lock_wait $string
207		267
208	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
209		269
210	=item my $lock = cf::lock_acquire $string	270	=item my $lock = cf::lock_acquire $string
211		271
212	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
213	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,
214	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
215	returned.	275	returned.
216		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
217	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load 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.
219		286
220	=cut	287	=cut
221		288
222	our %LOCK;	289	our %LOCK;
223		290
…		…
237	# wait, to be sure we are not locked	304	# wait, to be sure we are not locked
238	lock_wait $key;	305	lock_wait $key;
239		306
240	$LOCK{$key} = [];	307	$LOCK{$key} = [];
241		308
242	cf::guard {	309	Coro::guard {
243	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
245	}	312	}
246	}	313	}
247		314
248	=item cf::async { BLOCK }	315	sub lock_active($) {
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;	316	my ($key) = @_;
257		317
258	Coro::async {	318	! ! $LOCK{$key}
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}	319	}
263		320
264	sub freeze_mainloop {	321	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
266		323
267	my $guard = guard { $TICK_WATCHER->start };	324	my $guard = Coro::guard {
		325	$TICK_WATCHER->start;
		326	};
268	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
269	$guard	328	$guard
270	}	329	}
271		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
272	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
273		398
274	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)
275	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
276	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.
277		403
278	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
279	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
280	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
281	fast or be very important.	407	fast or be very important.
…		…
284		410
285	sub sync_job(&) {	411	sub sync_job(&) {
286	my ($job) = @_;	412	my ($job) = @_;
287		413
288	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
289	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
290	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
291		419
292	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
293	# (but this is cancel-safe)	421	# (but this is cancel-safe)
294	my $freeze_guard = freeze_mainloop;	422	my $freeze_guard = freeze_mainloop;
295		423
296	my $busy = 1;	424	my $busy = 1;
297	my @res;	425	my @res;
298		426
299	(Coro::async {	427	(async {
300	@res = eval { $job->() };	428	@res = eval { $job->() };
301	warn $@ if $@;	429	warn $@ if $@;
302	undef $busy;	430	undef $busy;
303	})->prio (Coro::PRIO_MAX);	431	})->prio (Coro::PRIO_MAX);
304		432
305	while ($busy) {	433	while ($busy) {
306	Coro::cede_notself;	434	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	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
309		443
310	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
311	} else {	445	} else {
312	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
313		447
314	$job->()	448	$job->()
315	}	449	}
316	}	450	}
317		451
318	=item $coro = cf::coro { BLOCK }	452	=item $coro = cf::async_ext { BLOCK }
319		453
320	Creates and returns a new coro. This coro is automcatially being canceled	454	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	455	extension calling this is being unloaded.
322		456
323	=cut	457	=cut
324		458
325	sub coro(&) {	459	sub async_ext(&) {
326	my $cb = shift;	460	my $cb = shift;
327		461
328	my $coro = &cf::async ($cb);	462	my $coro = &Coro::async ($cb);
329		463
330	$coro->on_destroy (sub {	464	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	465	delete $EXT_CORO{$coro+0};
332	});	466	});
333	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
334		468
335	$coro	469	$coro
336	}	470	}
337		471
338	sub write_runtime {	472	=item fork_call { }, $args
339	my $runtime = cf::localdir . "/runtime";
340		473
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
342	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.
343		478
344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;
347		480
348	aio_fsync $fh	481	sub fork_call(&@) {
349	and return;	482	my ($cb, @args) = @_;
350		483
351	close $fh	484	# we seemingly have to make a local copy of the whole thing,
352	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (likely this will be rather laborious)
353		487
354	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
355	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
356		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	};
357	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 });
358	}	621	}
359		622
360	=back	623	=back
361		624
362	=cut	625	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		626
484	#############################################################################	627	#############################################################################
485		628
486	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
487		630
…		…
489	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")
490	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
491		634
492	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>
493	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
494	crossfire+).	637	Crossfire TRT).
495		638
496	=over 4	639	=over 4
497		640
498	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
499		642
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	757	our @CB_MAP = ();
615		758
616	my %attachment;	759	my %attachment;
617		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
618	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
620		769
621	use sort 'stable';	770	use sort 'stable';
622		771
…		…
656	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
657		806
658	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
659	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
660	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
661	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
662		811
663	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
664	my $pkg = shift @arg;	813	my $pkg = shift @arg;
665		814
666	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
695	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
696	}	845	}
697		846
698	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
699	} else {	848	} else {
700	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
701	}	850	}
702		851
703	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
704	}	853	}
705		854
…		…
707	if (ref $_[0]) {	856	if (ref $_[0]) {
708	_object_attach @_;	857	_object_attach @_;
709	} else {	858	} else {
710	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
711	}	860	}
		861	_recalc_want;
712	};	862	};
713		863
714	# all those should be optimised	864	# all those should be optimised
715	sub cf::attachable::detach {	865	sub cf::attachable::detach {
716	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
719	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
720	reattach ($obj);	870	reattach ($obj);
721	} else {	871	} else {
722	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
723	}	873	}
		874	_recalc_want;
724	};	875	};
725		876
726	sub cf::attachable::attached {	877	sub cf::attachable::attached {
727	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
728		879
…		…
743	";	894	";
744	die if $@;	895	die if $@;
745	}	896	}
746		897
747	our $override;	898	our $override;
748	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?
749		900
750	sub override {	901	sub override {
751	$override = 1;	902	$override = 1;
752	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
753	}	904	}
754		905
755	sub do_invoke {	906	sub do_invoke {
756	my $event = shift;	907	my $event = shift;
757	my $callbacks = shift;	908	my $callbacks = shift;
758		909
759	@invoke_results = ();	910	@INVOKE_RESULTS = ();
760		911
761	local $override;	912	local $override;
762		913
763	for (@$callbacks) {	914	for (@$callbacks) {
764	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
781		932
782	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
783		934
784	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
785	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
786	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
787		938
788	=back	939	=back
789		940
790	=cut	941	=cut
791		942
792	#############################################################################	943	#############################################################################
793	# 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	}
794		956
795	sub reattach {	957	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		962
799	my $registry = $obj->registry;	963	my $registry = $obj->registry;
800		964
801	@$registry = ();	965	@$registry = ();
802		966
…		…
841	);	1005	);
842		1006
843	sub object_freezer_save {	1007	sub object_freezer_save {
844	my ($filename, $rdata, $objs) = @_;	1008	my ($filename, $rdata, $objs) = @_;
845		1009
		1010	my $guard = cf::lock_acquire "io";
		1011
846	sync_job {	1012	sync_job {
847	if (length $$rdata) {	1013	if (length $$rdata) {
848	warn sprintf "saving %s (%d,%d)\n",	1014	warn sprintf "saving %s (%d,%d)\n",
849	$filename, length $$rdata, scalar @$objs;	1015	$filename, length $$rdata, scalar @$objs;
850		1016
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1017	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	1018	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1019	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	1020	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	1021	close $fh;
856		1022
857	if (@$objs) {	1023	if (@$objs) {
858	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) {
859	chmod SAVE_MODE, $fh;	1025	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	1026	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	1027	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	1029	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	1030	aio_rename "$filename.pst~", "$filename.pst";
865	}	1031	}
866	} else {	1032	} else {
867	aio_unlink "$filename.pst";	1033	aio_unlink "$filename.pst";
…		…
873	}	1039	}
874	} else {	1040	} else {
875	aio_unlink $filename;	1041	aio_unlink $filename;
876	aio_unlink "$filename.pst";	1042	aio_unlink "$filename.pst";
877	}	1043	}
878	}	1044	};
		1045
		1046	undef $guard;
879	}	1047	}
880		1048
881	sub object_freezer_as_string {	1049	sub object_freezer_as_string {
882	my ($rdata, $objs) = @_;	1050	my ($rdata, $objs) = @_;
883		1051
…		…
888		1056
889	sub object_thawer_load {	1057	sub object_thawer_load {
890	my ($filename) = @_;	1058	my ($filename) = @_;
891		1059
892	my ($data, $av);	1060	my ($data, $av);
		1061
		1062	my $guard = cf::lock_acquire "io";
893		1063
894	(aio_load $filename, $data) >= 0	1064	(aio_load $filename, $data) >= 0
895	or return;	1065	or return;
896		1066
897	unless (aio_stat "$filename.pst") {	1067	unless (aio_stat "$filename.pst") {
898	(aio_load "$filename.pst", $av) >= 0	1068	(aio_load "$filename.pst", $av) >= 0
899	or return;	1069	or return;
		1070
		1071	undef $guard;
900	$av = eval { (Storable::thaw $av)->{objs} };	1072	$av = eval { (Storable::thaw $av)->{objs} };
901	}	1073	}
902		1074
903	warn sprintf "loading %s (%d)\n",	1075	warn sprintf "loading %s (%d)\n",
904	$filename, length $data, scalar @{$av || []};#d#	1076	$filename, length $data, scalar @{$av || []};
		1077
905	return ($data, $av);	1078	($data, $av)
906	}	1079	}
		1080
		1081	=head2 COMMAND CALLBACKS
		1082
		1083	=over 4
		1084
		1085	=cut
907		1086
908	#############################################################################	1087	#############################################################################
909	# command handling &c	1088	# command handling &c
910		1089
911	=item cf::register_command $name => \&callback($ob,$args);	1090	=item cf::register_command $name => \&callback($ob,$args);
…		…
924	push @{ $COMMAND{$name} }, [$caller, $cb];	1103	push @{ $COMMAND{$name} }, [$caller, $cb];
925	}	1104	}
926		1105
927	=item cf::register_extcmd $name => \&callback($pl,$packet);	1106	=item cf::register_extcmd $name => \&callback($pl,$packet);
928		1107
929	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.
930		1113
931	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
932	called.	1115	called.
933		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
934	=cut	1128	=cut
935		1129
936	sub register_extcmd {	1130	sub register_extcmd {
937	my ($name, $cb) = @_;	1131	my ($name, $cb) = @_;
938		1132
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	1133	$EXTCMD{$name} = $cb;
		1134	}
		1135
		1136	sub register_exticmd {
		1137	my ($name, $cb) = @_;
		1138
		1139	$EXTICMD{$name} = $cb;
943	}	1140	}
944		1141
945	cf::player->attach (	1142	cf::player->attach (
946	on_command => sub {	1143	on_command => sub {
947	my ($pl, $name, $params) = @_;	1144	my ($pl, $name, $params) = @_;
…		…
956	cf::override;	1153	cf::override;
957	},	1154	},
958	on_extcmd => sub {	1155	on_extcmd => sub {
959	my ($pl, $buf) = @_;	1156	my ($pl, $buf) = @_;
960		1157
961	my $msg = eval { from_json $buf };	1158	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
962		1159
963	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
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1168	if (my $cb = $EXTCMD{$type}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	1169	@reply = $cb->($pl, @payload);
966	$pl->ext_reply ($msg->{msgid}, %reply);
967	}
968	}	1170	}
		1171
		1172	$pl->ext_reply ($reply, @reply)
		1173	if $reply;
		1174
969	} else {	1175	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1176	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
971	}	1177	}
972		1178
973	cf::override;	1179	cf::override;
974	},	1180	},
975	);	1181	);
976		1182
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	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($) {
984	my ($path) = @_;	1567	my ($path) = @_;
985		1568
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1569	my ($match, $specificity);
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991		1570
992	warn "loading '$path' into '$pkg'\n";	1571	for my $region (list) {
993		1572	if ($region->{match} && $path =~ $region->{match}) {
994	open my $fh, "<:utf8", $path	1573	($match, $specificity) = ($region, $region->specificity)
995	or die "$path: $!";	1574	if $region->specificity > $specificity;
996		1575	}
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @exts, $pkg;
1008	$ext_pkg{$base} = $pkg;
1009
1010	# no strict 'refs';
1011	# @{"$pkg\::ISA"} = ext::;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	1576	}
1026		1577
1027	# remove commands	1578	$match
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}
1052
1053	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;
1056	eval {
1057	load_extension $ext;
1058	1
1059	} or warn "$ext not loaded: $@";
1060	}
1061	}
1062
1063	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100
1101	=head2 CORE EXTENSIONS
1102
1103	Functions and methods that extend core crossfire objects.
1104
1105	=head3 cf::player
1106
1107	=over 4
1108
1109	=item cf::player::exists $login
1110
1111	Returns true when the given account exists.
1112
1113	=cut
1114
1115	sub cf::player::exists($) {
1116	cf::player::find $_[0]
1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1118	}
1119
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121
1122	Sends an ext reply to the player.
1123
1124	=cut
1125
1126	sub cf::player::ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;
1128
1129	$msg{msgid} = $id;
1130
1131	$self->send ("ext " . to_json \%msg);
1132	}	1579	}
1133		1580
1134	=back	1581	=back
1135
1136		1582
1137	=head3 cf::map	1583	=head3 cf::map
1138		1584
1139	=over 4	1585	=over 4
1140		1586
…		…
1143	package cf::map;	1589	package cf::map;
1144		1590
1145	use Fcntl;	1591	use Fcntl;
1146	use Coro::AIO;	1592	use Coro::AIO;
1147		1593
		1594	use overload
		1595	'""' => \&as_string,
		1596	fallback => 1;
		1597
1148	our $MAX_RESET = 3600;	1598	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1599	our $DEFAULT_RESET = 3000;
1150		1600
1151	sub generate_random_map {	1601	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1602	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1603	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1604	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1605	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1606	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1607	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1608	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1609	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1610	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1611	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1612	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$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},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1614	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(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"
1168	}	1744	}
1169		1745
1170	# and all this just because we cannot iterate over	1746	# and all this just because we cannot iterate over
1171	# all maps in C++...	1747	# all maps in C++...
1172	sub change_all_map_light {	1748	sub change_all_map_light {
…		…
1174		1750
1175	$_->change_map_light ($change)	1751	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1752	for grep $_->outdoor, values %cf::MAP;
1177	}	1753	}
1178		1754
		1755	sub decay_objects {
		1756	my ($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
1179	sub try_load_header($) {	1771	sub load_header_from($) {
1180	my ($path) = @_;	1772	my ($self, $path) = @_;
1181		1773
1182	utf8::encode $path;	1774	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1775	my $f = new_from_file cf::object::thawer $path
1184	or return;	1776	or return;
1185		1777
1186	my $map = cf::map::new	1778	$self->_load_header ($f)
1187	or return;	1779	or return;
1188		1780
1189	$map->load_header ($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
1190	or return;	1827	or return;
		1828	$self->prepare_orig;
		1829	}
1191		1830
1192	$map->{load_path} = $path;	1831	$self->{deny_reset} = 1
		1832	if $self->no_reset;
1193		1833
1194	$map	1834	$self->default_region (cf::region::find_by_path $self->{path})
		1835	unless $self->default_region;
		1836
		1837	1
1195	}	1838	}
1196		1839
1197	sub find;	1840	sub find;
1198	sub find {	1841	sub find {
1199	my ($path, $origin) = @_;	1842	my ($path, $origin) = @_;
1200		1843
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1844	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1845
1206	cf::lock_wait "map_find:$key";	1846	cf::lock_wait "map_find:$path";
1207		1847
1208	$cf::MAP{$key} || do {	1848	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1849	my $guard = cf::lock_acquire "map_find:$path";
1210		1850	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	if ($map) {
1215	$map->last_access ((delete $map->{last_access})
1216	|| $cf::RUNTIME); #d#
1217	# safety
1218	$map->{instantiate_time} = $cf::RUNTIME
1219	if $map->{instantiate_time} > $cf::RUNTIME;
1220	} else {
1221	if (my $rmp = $path->random_map_params) {
1222	$map = generate_random_map $key, $rmp;
1223	} else {
1224	$map = try_load_header $path->load_path;
1225	}
1226
1227	$map or return;	1851	or return;
1228		1852
1229	$map->{load_original} = 1;
1230	$map->{instantiate_time} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232	$map->instantiate;
1233
1234	# per-player maps become, after loading, normal maps
1235	$map->per_player (0) if $path->{user_rel};
1236	}
1237
1238	$map->path ($key);
1239	$map->{path} = $path;
1240	$map->{last_save} = $cf::RUNTIME;	1853	$map->{last_save} = $cf::RUNTIME;
1241		1854
1242	if ($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;
1243	$map->reset;	1861	$map->reset;
1244	undef $guard;	1862	undef $guard;
1245	$map = find $path	1863	return find $path;
1246	or return;
1247	}	1864	}
1248		1865
1249	$cf::MAP{$key} = $map	1866	$cf::MAP{$path} = $map
1250	}	1867	}
1251	}	1868	}
		1869
		1870	sub pre_load { }
		1871	sub post_load { }
1252		1872
1253	sub load {	1873	sub load {
1254	my ($self) = @_;	1874	my ($self) = @_;
1255		1875
		1876	local $self->{deny_reset} = 1; # loading can take a long time
		1877
1256	my $path = $self->{path};	1878	my $path = $self->{path};
		1879
		1880	{
		1881	my $guard1 = cf::lock_acquire "map_data:$path";
1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1882	my $guard2 = cf::lock_acquire "map_load:$path";
1258		1883
1259	return if $self->in_memory != cf::MAP_SWAPPED;	1884	return if $self->in_memory != cf::MAP_SWAPPED;
1260		1885
1261	$self->in_memory (cf::MAP_LOADING);	1886	$self->in_memory (cf::MAP_LOADING);
1262		1887
1263	$self->alloc;	1888	$self->alloc;
1264	$self->load_objects ($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)
1265	or return;	1896	or return;
1266		1897
1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1268	if delete $self->{load_original};	1899	if delete $self->{load_original};
1269		1900
1270	if (my $uniq = $path->uniq_path) {	1901	if (my $uniq = $self->uniq_path) {
1271	utf8::encode $uniq;	1902	utf8::encode $uniq;
1272	if (aio_open $uniq, O_RDONLY, 0) {	1903	unless (aio_stat $uniq) {
		1904	if (my $f = new_from_file cf::object::thawer $uniq) {
1273	$self->clear_unique_items;	1905	$self->clear_unique_items;
1274	$self->load_objects ($uniq, 0);	1906	$self->_load_objects ($f);
		1907	$f->resolve_delayed_derefs;
		1908	}
1275	}	1909	}
1276	}	1910	}
1277		1911
		1912	$f->resolve_delayed_derefs;
		1913
		1914	cf::cede_to_tick;
1278	# now do the right thing for maps	1915	# now do the right thing for maps
1279	$self->link_multipart_objects;	1916	$self->link_multipart_objects;
1280
1281	if ($self->{path}->is_style_map) {
1282	$self->{deny_save} = 1;
1283	$self->{deny_reset} = 1;
1284	} else {
1285	$self->fix_auto_apply;
1286	$self->decay_objects;
1287	$self->update_buttons;
1288	$self->set_darkness_map;
1289	$self->difficulty ($self->estimate_difficulty)	1917	$self->difficulty ($self->estimate_difficulty)
1290	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;
1291	$self->activate;	1928	$self->activate;
1292	}	1929	}
1293		1930
		1931	$self->{last_save} = $cf::RUNTIME;
		1932	$self->last_access ($cf::RUNTIME);
		1933
1294	$self->in_memory (cf::MAP_IN_MEMORY);	1934	$self->in_memory (cf::MAP_IN_MEMORY);
		1935	}
		1936
		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	$neigh->load;
		1975	}
1295	}	1976	}
1296		1977
1297	sub find_sync {	1978	sub find_sync {
1298	my ($path, $origin) = @_;	1979	my ($path, $origin) = @_;
1299		1980
1300	cf::sync_job { cf::map::find $path, $origin }	1981	cf::sync_job { find $path, $origin }
1301	}	1982	}
1302		1983
1303	sub do_load_sync {	1984	sub do_load_sync {
1304	my ($map) = @_;	1985	my ($map) = @_;
1305		1986
		1987	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1988	if $Coro::current == $Coro::main;
		1989
1306	cf::sync_job { $map->load };	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;
		2018	};
		2019	$MAP_PREFETCHER->prio (6);
		2020
		2021	()
1307	}	2022	}
1308		2023
1309	sub save {	2024	sub save {
1310	my ($self) = @_;	2025	my ($self) = @_;
1311		2026
		2027	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2028
1312	$self->{last_save} = $cf::RUNTIME;	2029	$self->{last_save} = $cf::RUNTIME;
1313		2030
1314	return unless $self->dirty;	2031	return unless $self->dirty;
1315		2032
1316	my $save = $self->{path}->save_path; utf8::encode $save;	2033	my $save = $self->save_path; utf8::encode $save;
1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2034	my $uniq = $self->uniq_path; utf8::encode $uniq;
1318		2035
1319	$self->{load_path} = $save;	2036	$self->{load_path} = $save;
1320		2037
1321	return if $self->{deny_save};	2038	return if $self->{deny_save};
1322		2039
1323	local $self->{last_access} = $self->last_access;#d#	2040	local $self->{last_access} = $self->last_access;#d#
1324		2041
		2042	cf::async {
		2043	$_->contr->save for $self->players;
		2044	};
		2045
1325	if ($uniq) {	2046	if ($uniq) {
1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2047	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327	$self->save_objects ($uniq, cf::IO_UNIQUES);	2048	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1328	} else {	2049	} else {
1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2050	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330	}	2051	}
1331	}	2052	}
1332		2053
1333	sub swap_out {	2054	sub swap_out {
1334	my ($self) = @_;	2055	my ($self) = @_;
1335		2056
1336	# save first because save cedes	2057	# save first because save cedes
1337	$self->save;	2058	$self->save;
		2059
		2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1338		2061
1339	return if $self->players;	2062	return if $self->players;
1340	return if $self->in_memory != cf::MAP_IN_MEMORY;	2063	return if $self->in_memory != cf::MAP_IN_MEMORY;
1341	return if $self->{deny_save};	2064	return if $self->{deny_save};
1342		2065
…		…
1346		2069
1347	sub reset_at {	2070	sub reset_at {
1348	my ($self) = @_;	2071	my ($self) = @_;
1349		2072
1350	# TODO: safety, remove and allow resettable per-player maps	2073	# TODO: safety, remove and allow resettable per-player maps
1351	return 1e99 if $self->{path}{user_rel};
1352	return 1e99 if $self->{deny_reset};	2074	return 1e99 if $self->{deny_reset};
1353		2075
1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2076	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2077	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356		2078
…		…
1361	my ($self) = @_;	2083	my ($self) = @_;
1362		2084
1363	$self->reset_at <= $cf::RUNTIME	2085	$self->reset_at <= $cf::RUNTIME
1364	}	2086	}
1365		2087
1366	sub unlink_save {
1367	my ($self) = @_;
1368
1369	utf8::encode (my $save = $self->{path}->save_path);
1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1372	}
1373
1374	sub rename {
1375	my ($self, $new_path) = @_;
1376
1377	$self->unlink_save;
1378
1379	delete $cf::MAP{$self->path};
1380	$self->{path} = new cf::path $new_path;
1381	$self->path ($self->{path}->as_string);
1382	$cf::MAP{$self->path} = $self;
1383
1384	$self->save;
1385	}
1386
1387	sub reset {	2088	sub reset {
1388	my ($self) = @_;	2089	my ($self) = @_;
1389		2090
		2091	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2092
1390	return if $self->players;	2093	return if $self->players;
1391	return if $self->{path}{user_rel};#d#
1392		2094
1393	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	}
1394		2106
1395	delete $cf::MAP{$self->path};	2107	delete $cf::MAP{$self->path};
		2108
		2109	$self->clear;
1396		2110
1397	$_->clear_links_to ($self) for values %cf::MAP;	2111	$_->clear_links_to ($self) for values %cf::MAP;
1398		2112
1399	$self->unlink_save;	2113	$self->unlink_save;
1400	$self->destroy;	2114	$self->destroy;
…		…
1403	my $nuke_counter = "aaaa";	2117	my $nuke_counter = "aaaa";
1404		2118
1405	sub nuke {	2119	sub nuke {
1406	my ($self) = @_;	2120	my ($self) = @_;
1407		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};
1408	$self->{deny_save} = 1;	2131	$self->{deny_save} = 1;
1409	$self->reset_timeout (1);	2132	$self->reset_timeout (1);
1410	$self->rename ("{nuke}/" . ($nuke_counter++));	2133	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2134
		2135	$cf::MAP{$self->path} = $self;
		2136	}
		2137
1411	$self->reset; # polite request, might not happen	2138	$self->reset; # polite request, might not happen
1412	}	2139	}
1413		2140
1414	sub customise_for {	2141	=item $maps = cf::map::tmp_maps
1415	my ($map, $ob) = @_;
1416		2142
1417	if ($map->per_player) {	2143	Returns an arrayref with all map paths of currently instantiated and saved
1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2144	maps. May block.
		2145
		2146	=cut
		2147
		2148	sub tmp_maps() {
1419	}	2149	[
1420		2150	map {
1421	$map	2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise $_
		2154	: ()
		2155	} @{ aio_readdir $TMPDIR or [] }
		2156	]
1422	}	2157	}
1423		2158
1424	sub emergency_save {	2159	=item $maps = cf::map::random_maps
1425	my $freeze_guard = cf::freeze_mainloop;
1426		2160
1427	warn "enter emergency map save\n";	2161	Returns an arrayref with all map paths of currently instantiated and saved
		2162	random maps. May block.
1428		2163
1429	cf::sync_job {	2164	=cut
1430	warn "begin emergency map save\n";
1431	$_->save for values %cf::MAP;
1432	};
1433		2165
1434	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	]
1435	}	2193	}
1436		2194
1437	package cf;	2195	package cf;
1438		2196
1439	=back	2197	=back
1440		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
1441		2256
1442	=head3 cf::object::player	2257	=head3 cf::object::player
1443		2258
1444	=over 4	2259	=over 4
1445		2260
…		…
1459		2274
1460	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2275	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1461		2276
1462	if ($self->{record_replies}) {	2277	if ($self->{record_replies}) {
1463	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2278	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2279
1464	} 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 {
1465	$msg = $npc->name . " says: $msg" if $npc;	2288	$msg = $npc->name . " says: $msg" if $npc;
1466	$self->message ($msg, $flags);	2289	$self->message ($msg, $flags);
		2290	}
1467	}	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 (@_);
1468	}	2302	}
1469		2303
1470	=item $player_object->may ("access")	2304	=item $player_object->may ("access")
1471		2305
1472	Returns wether the given player is authorized to access resource "access"	2306	Returns wether the given player is authorized to access resource "access"
…		…
1485		2319
1486	=item $player_object->enter_link	2320	=item $player_object->enter_link
1487		2321
1488	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}>).
1489		2323
1490	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
1491	I<MUST> call C<leave_link> as soon as possible, though.	2325	I<MUST> call C<leave_link> as soon as possible, though.
1492		2326
		2327	Will never block.
		2328
1493	=item $player_object->leave_link ($map, $x, $y)	2329	=item $player_object->leave_link ($map, $x, $y)
1494		2330
1495	Moves the player out of the specila link map onto the given map. If the	2331	Moves the player out of the special C<{link}> map onto the specified
1496	map is not valid (or omitted), the player will be moved back to the	2332	map. If the map is not valid (or omitted), the player will be moved back
1497	location he/she was before the call to C<enter_link>, or, if that fails,	2333	to the location he/she was before the call to C<enter_link>, or, if that
1498	to the emergency map position.	2334	fails, to the emergency map position.
1499		2335
1500	Might block.	2336	Might block.
1501		2337
1502	=cut	2338	=cut
		2339
		2340	sub link_map {
		2341	unless ($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	$LINK_MAP
		2348	}
1503		2349
1504	sub cf::object::player::enter_link {	2350	sub cf::object::player::enter_link {
1505	my ($self) = @_;	2351	my ($self) = @_;
1506		2352
1507	$self->deactivate_recursive;	2353	$self->deactivate_recursive;
1508		2354
1509	return if $self->map == $LINK_MAP;	2355	return if UNIVERSAL::isa $self->map, "ext::map_link";
1510		2356
1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2357	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512	if $self->map;	2358	if $self->map && $self->map->{path} ne "{link}";
1513		2359
1514	$self->enter_map ($LINK_MAP, 20, 20);	2360	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1515	}	2361	}
1516		2362
1517	sub cf::object::player::leave_link {	2363	sub cf::object::player::leave_link {
1518	my ($self, $map, $x, $y) = @_;	2364	my ($self, $map, $x, $y) = @_;
		2365
		2366	return unless $self->contr->active;
1519		2367
1520	my $link_pos = delete $self->{_link_pos};	2368	my $link_pos = delete $self->{_link_pos};
1521		2369
1522	unless ($map) {	2370	unless ($map) {
1523	# restore original map position	2371	# restore original map position
…		…
1537	# use -1 or undef as default coordinates, not 0, 0	2385	# use -1 or undef as default coordinates, not 0, 0
1538	($x, $y) = ($map->enter_x, $map->enter_y)	2386	($x, $y) = ($map->enter_x, $map->enter_y)
1539	if $x <=0 && $y <= 0;	2387	if $x <=0 && $y <= 0;
1540		2388
1541	$map->load;	2389	$map->load;
		2390	$map->load_neighbours;
1542		2391
		2392	return unless $self->contr->active;
1543	$self->activate_recursive;	2393	$self->activate_recursive;
		2394
		2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1544	$self->enter_map ($map, $x, $y);	2396	$self->enter_map ($map, $x, $y);
1545	}	2397	}
1546		2398
1547	cf::player->attach (	2399	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1548	on_logout => sub {
1549	my ($pl) = @_;
1550		2400
1551	# abort map switching before logout	2401	Moves the player to the given map-path and coordinates by first freezing
1552	if ($pl->ob->{_link_pos}) {	2402	her, loading and preparing them map, calling the provided $check callback
1553	cf::sync_job {	2403	that has to return the map if sucecssful, and then unfreezes the player on
1554	$pl->ob->leave_link	2404	the new (success) or old (failed) map position. In either case, $done will
1555	};	2405	be called at the end of this process.
1556	}
1557	},
1558	on_login => sub {
1559	my ($pl) = @_;
1560		2406
1561	# try to abort aborted map switching on player login :)
1562	# should happen only on crashes
1563	if ($pl->ob->{_link_pos}) {
1564	$pl->ob->enter_link;
1565	cf::async {
1566	# we need this sleep as the login has a concurrent enter_exit running
1567	# and this sleep increases chances of the player not ending up in scorn
1568	Coro::Timer::sleep 1;
1569	$pl->ob->leave_link;
1570	};
1571	}
1572	},
1573	);
1574
1575	=item $player_object->goto_map ($path, $x, $y)
1576
1577	=cut	2407	=cut
1578		2408
		2409	our $GOTOGEN;
		2410
1579	sub cf::object::player::goto_map {	2411	sub cf::object::player::goto {
1580	my ($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;
1581		2416
1582	$self->enter_link;	2417	$self->enter_link;
1583		2418
1584	(cf::async {	2419	(async {
1585	$path = new cf::path $path;	2420	my $map = eval {
1586
1587	my $map = cf::map::find $path->as_string;	2421	my $map = cf::map::find $path;
		2422
		2423	if ($map) {
1588	$map = $map->customise_for ($self) if $map;	2424	$map = $map->customise_for ($self);
1589		2425	$map = $check->($map) if $check && $map;
1590	# warn "entering ", $map->path, " at ($x, $y)\n"	2426	} else {
1591	# if $map;
1592
1593	$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	}
1594		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};
1595	$self->leave_link ($map, $x, $y);	2440	$self->leave_link ($map, $x, $y);
		2441	}
		2442
		2443	$done->() if $done;
1596	})->prio (1);	2444	})->prio (1);
1597	}	2445	}
1598		2446
1599	=item $player_object->enter_exit ($exit_object)	2447	=item $player_object->enter_exit ($exit_object)
1600		2448
…		…
1602		2450
1603	sub parse_random_map_params {	2451	sub parse_random_map_params {
1604	my ($spec) = @_;	2452	my ($spec) = @_;
1605		2453
1606	my $rmp = { # defaults	2454	my $rmp = { # defaults
1607	xsize => 10,	2455	xsize => (cf::rndm 15, 40),
1608	ysize => 10,	2456	ysize => (cf::rndm 15, 40),
		2457	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2458	#layout => string,
1609	};	2459	};
1610		2460
1611	for (split /\n/, $spec) {	2461	for (split /\n/, $spec) {
1612	my ($k, $v) = split /\s+/, $_, 2;	2462	my ($k, $v) = split /\s+/, $_, 2;
1613		2463
…		…
1617	$rmp	2467	$rmp
1618	}	2468	}
1619		2469
1620	sub prepare_random_map {	2470	sub prepare_random_map {
1621	my ($exit) = @_;	2471	my ($exit) = @_;
		2472
		2473	my $guard = cf::lock_acquire "exit_prepare:$exit";
1622		2474
1623	# all this does is basically replace the /! path by	2475	# all this does is basically replace the /! path by
1624	# a new random map path (?random/...) with a seed	2476	# a new random map path (?random/...) with a seed
1625	# that depends on the exit object	2477	# that depends on the exit object
1626		2478
1627	my $rmp = parse_random_map_params $exit->msg;	2479	my $rmp = parse_random_map_params $exit->msg;
1628		2480
1629	if ($exit->map) {	2481	if ($exit->map) {
1630	$rmp->{region} = $exit->map->region_name;	2482	$rmp->{region} = $exit->region->name;
1631	$rmp->{origin_map} = $exit->map->path;	2483	$rmp->{origin_map} = $exit->map->path;
1632	$rmp->{origin_x} = $exit->x;	2484	$rmp->{origin_x} = $exit->x;
1633	$rmp->{origin_y} = $exit->y;	2485	$rmp->{origin_y} = $exit->y;
1634	}	2486	}
1635		2487
1636	$rmp->{random_seed} ||= $exit->random_seed;	2488	$rmp->{random_seed} ||= $exit->random_seed;
1637		2489
1638	my $data = cf::to_json $rmp;	2490	my $data = cf::to_json $rmp;
1639	my $md5 = Digest::MD5::md5_hex $data;	2491	my $md5 = Digest::MD5::md5_hex $data;
		2492	my $meta = "$RANDOMDIR/$md5.meta";
1640		2493
1641	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) {
1642	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;
1643		2498
1644	$exit->slaying ("?random/$md5");	2499	$exit->slaying ("?random/$md5");
1645	$exit->msg (undef);	2500	$exit->msg (undef);
1646	}	2501	}
1647	}	2502	}
…		…
1649	sub cf::object::player::enter_exit {	2504	sub cf::object::player::enter_exit {
1650	my ($self, $exit) = @_;	2505	my ($self, $exit) = @_;
1651		2506
1652	return unless $self->type == cf::PLAYER;	2507	return unless $self->type == cf::PLAYER;
1653		2508
		2509	if ($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
1654	$self->enter_link;	2520	$self->enter_link;
1655		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
1656	(cf::async {	2526	(async {
1657	$self->deactivate_recursive; # just to be sure	2527	$self->deactivate_recursive; # just to be sure
1658	unless (eval {	2528	unless (eval {
1659	prepare_random_map $exit	2529	$self->goto ($slaying, $hp, $sp);
1660	if $exit->slaying eq "/!";
1661
1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1664		2530
1665	1;	2531	1;
1666	}) {	2532	}) {
1667	$self->message ("Something went wrong deep within the crossfire server. "	2533	$self->message ("Something went wrong deep within the crossfire server. "
1668	. "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. "
1669	. "Please report this to the dungeon master",	2535	. "Please report this to the dungeon master!",
1670	cf::NDI_UNIQUE | cf::NDI_RED);	2536	cf::NDI_UNIQUE | cf::NDI_RED);
1671		2537
1672	warn "ERROR in enter_exit: $@";	2538	warn "ERROR in enter_exit: $@";
1673	$self->leave_link;	2539	$self->leave_link;
1674	}	2540	}
1675	})->prio (1);	2541	})->prio (1);
…		…
1688		2554
1689	sub cf::client::send_drawinfo {	2555	sub cf::client::send_drawinfo {
1690	my ($self, $text, $flags) = @_;	2556	my ($self, $text, $flags) = @_;
1691		2557
1692	utf8::encode $text;	2558	utf8::encode $text;
1693	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2559	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1694	}	2560	}
1695		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	}
1696		2677
1697	=item $success = $client->query ($flags, "text", \&cb)	2678	=item $success = $client->query ($flags, "text", \&cb)
1698		2679
1699	Queues a query to the client, calling the given callback with	2680	Queues a query to the client, calling the given callback with
1700	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>,
1701	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>.
1702		2683
1703	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
1704	reliable at some point in the future.	2685	become reliable at some point in the future.
1705		2686
1706	=cut	2687	=cut
1707		2688
1708	sub cf::client::query {	2689	sub cf::client::query {
1709	my ($self, $flags, $text, $cb) = @_;	2690	my ($self, $flags, $text, $cb) = @_;
…		…
1717	utf8::encode $text;	2698	utf8::encode $text;
1718	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2699	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1719		2700
1720	$self->send_packet ($self->{query_queue}[0][0])	2701	$self->send_packet ($self->{query_queue}[0][0])
1721	if @{ $self->{query_queue} } == 1;	2702	if @{ $self->{query_queue} } == 1;
		2703
		2704	1
1722	}	2705	}
1723		2706
1724	cf::client->attach (	2707	cf::client->attach (
		2708	on_connect => sub {
		2709	my ($ns) = @_;
		2710
		2711	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2712	},
1725	on_reply => sub {	2713	on_reply => sub {
1726	my ($ns, $msg) = @_;	2714	my ($ns, $msg) = @_;
1727		2715
1728	# this weird shuffling is so that direct followup queries	2716	# this weird shuffling is so that direct followup queries
1729	# get handled first	2717	# get handled first
1730	my $queue = delete $ns->{query_queue}	2718	my $queue = delete $ns->{query_queue}
1731	or return; # be conservative, not sure how that can happen, but we saw a crash here	2719	or return; # be conservative, not sure how that can happen, but we saw a crash here
1732		2720
1733	(shift @$queue)->[1]->($msg);	2721	(shift @$queue)->[1]->($msg);
		2722	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1734		2723
1735	push @{ $ns->{query_queue} }, @$queue;	2724	push @{ $ns->{query_queue} }, @$queue;
1736		2725
1737	if (@{ $ns->{query_queue} } == @$queue) {	2726	if (@{ $ns->{query_queue} } == @$queue) {
1738	if (@$queue) {	2727	if (@$queue) {
…		…
1740	} else {	2729	} else {
1741	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1742	}	2731	}
1743	}	2732	}
1744	},	2733	},
		2734	on_exticmd => sub {
		2735	my ($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	},
1745	);	2760	);
1746		2761
1747	=item $client->coro (\&cb)	2762	=item $client->async (\&cb)
1748		2763
1749	Create a new coroutine, running the specified callback. The coroutine will	2764	Create a new coroutine, running the specified callback. The coroutine will
1750	be automatically cancelled when the client gets destroyed (e.g. on logout,	2765	be automatically cancelled when the client gets destroyed (e.g. on logout,
1751	or loss of connection).	2766	or loss of connection).
1752		2767
1753	=cut	2768	=cut
1754		2769
1755	sub cf::client::coro {	2770	sub cf::client::async {
1756	my ($self, $cb) = @_;	2771	my ($self, $cb) = @_;
1757		2772
1758	my $coro = &cf::async ($cb);	2773	my $coro = &Coro::async ($cb);
1759		2774
1760	$coro->on_destroy (sub {	2775	$coro->on_destroy (sub {
1761	delete $self->{_coro}{$coro+0};	2776	delete $self->{_coro}{$coro+0};
1762	});	2777	});
1763		2778
…		…
1790	our $safe = new Safe "safe";	2805	our $safe = new Safe "safe";
1791	our $safe_hole = new Safe::Hole;	2806	our $safe_hole = new Safe::Hole;
1792		2807
1793	$SIG{FPE} = 'IGNORE';	2808	$SIG{FPE} = 'IGNORE';
1794		2809
1795	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2810	$safe->permit_only (Opcode::opset qw(
		2811	:base_core :base_mem :base_orig :base_math
		2812	grepstart grepwhile mapstart mapwhile
		2813	sort time
		2814	));
1796		2815
1797	# here we export the classes and methods available to script code	2816	# here we export the classes and methods available to script code
1798		2817
1799	=pod	2818	=pod
1800		2819
1801	The following fucntions and emthods are available within a safe environment:	2820	The following functions and methods are available within a safe environment:
1802		2821
1803	cf::object contr pay_amount pay_player map	2822	cf::object
		2823	contr pay_amount pay_player map x y force_find force_add
		2824	insert remove name archname title slaying race decrease_ob_nr
		2825
1804	cf::object::player player	2826	cf::object::player
1805	cf::player peaceful	2827	player
1806	cf::map trigger	2828
		2829	cf::player
		2830	peaceful
		2831
		2832	cf::map
		2833	trigger
1807		2834
1808	=cut	2835	=cut
1809		2836
1810	for (	2837	for (
1811	["cf::object" => qw(contr pay_amount pay_player map)],	2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2839	insert remove inv name archname title slaying race
		2840	decrease_ob_nr)],
1812	["cf::object::player" => qw(player)],	2841	["cf::object::player" => qw(player)],
1813	["cf::player" => qw(peaceful)],	2842	["cf::player" => qw(peaceful)],
1814	["cf::map" => qw(trigger)],	2843	["cf::map" => qw(trigger)],
1815	) {	2844	) {
1816	no strict 'refs';	2845	no strict 'refs';
…		…
1887	=back	2916	=back
1888		2917
1889	=cut	2918	=cut
1890		2919
1891	#############################################################################	2920	#############################################################################
		2921	# the server's init and main functions
1892		2922
1893	=head2 EXTENSION DATABASE SUPPORT	2923	sub load_facedata($) {
		2924	my ($path) = @_;
1894		2925
1895	Crossfire maintains a very simple database for extension use. It can	2926	# HACK to clear player env face cache, we need some signal framework
1896	currently store anything that can be serialised using Storable, which	2927	# for this (global event?)
1897	excludes objects.	2928	%ext::player_env::MUSIC_FACE_CACHE = ();
1898		2929
1899	The parameter C<$family> should best start with the name of the extension	2930	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1900	using it, it should be unique.
1901		2931
1902	=over 4	2932	warn "loading facedata from $path\n";
1903		2933
1904	=item $hashref = cf::db_get $family	2934	my $facedata;
		2935	0 < aio_load $path, $facedata
		2936	or die "$path: $!";
1905		2937
1906	Return a hashref for use by the extension C<$family>, which can be	2938	$facedata = Coro::Storable::thaw $facedata;
1907	modified. After modifications, you have to call C<cf::db_dirty> or
1908	C<cf::db_sync>.
1909		2939
1910	=item $value = cf::db_get $family => $key	2940	$facedata->{version} == 2
		2941	or cf::cleanup "$path: version mismatch, cannot proceed.";
1911		2942
1912	Returns a single value from the database	2943	# patch in the exptable
1913		2944	$facedata->{resource}{"res/exp_table"} = {
1914	=item cf::db_put $family => $hashref	2945	type => FT_RSRC,
1915		2946	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1916	Stores the given family hashref into the database. Updates are delayed, if
1917	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1918
1919	=item cf::db_put $family => $key => $value
1920
1921	Stores the given C<$value> in the family hash. Updates are delayed, if you
1922	want the data to be synced to disk immediately, use C<cf::db_sync>.
1923
1924	=item cf::db_dirty
1925
1926	Marks the database as dirty, to be updated at a later time.
1927
1928	=item cf::db_sync
1929
1930	Immediately write the database to disk I<if it is dirty>.
1931
1932	=cut
1933
1934	our $DB;
1935
1936	{
1937	my $path = cf::localdir . "/database.pst";
1938
1939	sub db_load() {
1940	$DB = stat $path ? Storable::retrieve $path : { };
1941	}
1942
1943	my $pid;
1944
1945	sub db_save() {
1946	waitpid $pid, 0 if $pid;
1947	if (0 == ($pid = fork)) {
1948	$DB->{_meta}{version} = 1;
1949	Storable::nstore $DB, "$path~";
1950	rename "$path~", $path;
1951	cf::_exit 0 if defined $pid;
1952	}
1953	}
1954
1955	my $dirty;
1956
1957	sub db_sync() {
1958	db_save if $dirty;
1959	undef $dirty;
1960	}
1961
1962	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1963	db_sync;
1964	});	2947	};
		2948	cf::cede_to_tick;
1965		2949
1966	sub db_dirty() {
1967	$dirty = 1;
1968	$idle->start;
1969	}	2950	{
		2951	my $faces = $facedata->{faceinfo};
1970		2952
1971	sub db_get($;$) {	2953	while (my ($face, $info) = each %$faces) {
1972	@_ >= 2	2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1973	? $DB->{$_[0]}{$_[1]}	2955	cf::face::set_visibility $idx, $info->{visibility};
1974	: ($DB->{$_[0]} ||= { })	2956	cf::face::set_magicmap $idx, $info->{magicmap};
1975	}	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};
1976		2959
1977	sub db_put($$;$) {	2960	cf::cede_to_tick;
1978	if (@_ >= 3) {
1979	$DB->{$_[0]}{$_[1]} = $_[2];
1980	} else {
1981	$DB->{$_[0]} = $_[1];
1982	}
1983	db_dirty;
1984	}
1985
1986	cf::global->attach (
1987	prio => 10000,
1988	on_cleanup => sub {
1989	db_sync;
1990	},	2961	}
1991	);
1992	}
1993		2962
1994	#############################################################################	2963	while (my ($face, $info) = each %$faces) {
1995	# 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	}
1996		2973
1997	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 {
1998	open my $fh, "<:utf8", cf::confdir . "/config"	3100	open my $fh, "<:utf8", "$CONFDIR/config"
1999	or return;	3101	or return;
2000		3102
2001	local $/;	3103	local $/;
2002	*CFG = YAML::Syck::Load <$fh>;	3104	*CFG = YAML::Syck::Load <$fh>;
2003		3105
2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3106	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2005		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
2006	if (exists $CFG{mlockall}) {	3111	if (exists $CFG{mlockall}) {
2007	eval {	3112	eval {
2008	$CFG{mlockall} ? &mlockall : &munlockall	3113	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009	and die "WARNING: m(un)lockall failed: $!\n";	3114	and die "WARNING: m(un)lockall failed: $!\n";
2010	};	3115	};
2011	warn $@ if $@;	3116	warn $@ if $@;
2012	}	3117	}
2013	}	3118	}
2014		3119
2015	sub main {	3120	sub main {
2016	# we must not ever block the main coroutine	3121	# we must not ever block the main coroutine
2017	local $Coro::idle = sub {	3122	local $Coro::idle = sub {
2018	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#
2019	(Coro::unblock_sub {	3124	(async {
2020	Event::one_event;	3125	Event::one_event;
2021	})->();	3126	})->prio (Coro::PRIO_MAX);
2022	};	3127	};
2023		3128
2024	cfg_load;	3129	reload_config;
2025	db_load;	3130	db_init;
2026	load_extensions;	3131	load_extensions;
		3132
		3133	$TICK_WATCHER->start;
2027	Event::loop;	3134	Event::loop;
2028	}	3135	}
2029		3136
2030	#############################################################################	3137	#############################################################################
2031	# initialisation	3138	# initialisation and cleanup
2032		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
2033	sub reload() {	3233	sub do_reload_perl() {
2034	# can/must only be called in main	3234	# can/must only be called in main
2035	if ($Coro::current != $Coro::main) {	3235	if ($Coro::current != $Coro::main) {
2036	warn "can only reload from main coroutine\n";	3236	warn "can only reload from main coroutine";
2037	return;	3237	return;
2038	}	3238	}
2039		3239
2040	warn "reloading...";	3240	warn "reloading...";
2041		3241
2042	my $guard = freeze_mainloop;	3242	warn "entering sync_job";
		3243
		3244	cf::sync_job {
		3245	cf::write_runtime; # external watchdog should not bark
2043	cf::emergency_save;	3246	cf::emergency_save;
		3247	cf::write_runtime; # external watchdog should not bark
2044		3248
2045	eval {	3249	warn "syncing database to disk";
		3250	BDB::db_env_txn_checkpoint $DB_ENV;
		3251
2046	# 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
2047		3253
2048	# cancel all watchers	3254	warn "cancelling all WF_AUTOCANCEL watchers";
2049	for (Event::all_watchers) {	3255	for (Event::all_watchers) {
2050	$_->cancel if $_->data & WF_AUTOCANCEL;	3256	$_->cancel if $_->data & WF_AUTOCANCEL;
2051	}	3257	}
2052		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
2053	# cancel all extension coros	3270	warn "cancelling all extension coros";
2054	$_->cancel for values %EXT_CORO;	3271	$_->cancel for values %EXT_CORO;
2055	%EXT_CORO = ();	3272	%EXT_CORO = ();
2056		3273
2057	# unload all extensions	3274	warn "removing commands";
2058	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) {
2059	warn "unloading <$_>";	3283	warn "... unloading $pkg";
2060	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: $@";
2061	}	3290	}
2062		3291
		3292	warn "... nuking $pkg";
		3293	Symbol::delete_package $pkg;
		3294	}
		3295
2063	# unload all modules loaded from $LIBDIR	3296	warn "unloading all perl modules loaded from $LIBDIR";
2064	while (my ($k, $v) = each %INC) {	3297	while (my ($k, $v) = each %INC) {
2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3298	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2066		3299
2067	warn "removing <$k>";	3300	warn "... unloading $k";
2068	delete $INC{$k};	3301	delete $INC{$k};
2069		3302
2070	$k =~ s/\.pm$//;	3303	$k =~ s/\.pm$//;
2071	$k =~ s/\//::/g;	3304	$k =~ s/\//::/g;
2072		3305
…		…
2075	}	3308	}
2076		3309
2077	Symbol::delete_package $k;	3310	Symbol::delete_package $k;
2078	}	3311	}
2079		3312
2080	# sync database to disk
2081	cf::db_sync;
2082	IO::AIO::flush;
2083
2084	# get rid of safe::, as good as possible	3313	warn "getting rid of safe::, as good as possible";
2085	Symbol::delete_package "safe::$_"	3314	Symbol::delete_package "safe::$_"
2086	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);
2087		3316
2088	# remove register_script_function callbacks
2089	# TODO
2090
2091	# unload cf.pm "a bit"	3317	warn "unloading cf.pm \"a bit\"";
2092	delete $INC{"cf.pm"};	3318	delete $INC{"cf.pm"};
		3319	delete $INC{"cf/pod.pm"};
2093		3320
2094	# don't, removes xs symbols, too,	3321	# don't, removes xs symbols, too,
2095	# and global variables created in xs	3322	# and global variables created in xs
2096	#Symbol::delete_package __PACKAGE__;	3323	#Symbol::delete_package __PACKAGE__;
2097		3324
2098	# reload cf.pm	3325	warn "unload completed, starting to reload now";
		3326
2099	warn "reloading cf.pm";	3327	warn "reloading cf.pm";
2100	require cf;	3328	require cf;
2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2102		3330
2103	# load config and database again	3331	warn "loading config and database again";
2104	cf::cfg_load;	3332	cf::reload_config;
2105	cf::db_load;
2106		3333
2107	# load extensions
2108	warn "load extensions";	3334	warn "loading extensions";
2109	cf::load_extensions;	3335	cf::load_extensions;
2110		3336
2111	# reattach attachments to objects	3337	warn "reattaching attachments to objects/players";
2112	warn "reattach";	3338	_global_reattach; # objects, sockets
2113	_global_reattach;	3339	warn "reattaching attachments to maps";
2114	};	3340	reattach $_ for values %MAP;
		3341	warn "reattaching attachments to players";
		3342	reattach $_ for values %PLAYER;
2115		3343
2116	if ($@) {	3344	warn "leaving sync_job";
		3345
		3346	1
		3347	} or do {
2117	warn $@;	3348	warn $@;
2118	warn "error while reloading, exiting.";	3349	warn "error while reloading, exiting.";
2119	exit 1;	3350	exit 1;
2120	}	3351	};
2121		3352
2122	warn "reloaded successfully";	3353	warn "reloaded";
2123	};	3354	};
2124		3355
2125	#############################################################################	3356	our $RELOAD_WATCHER; # used only during reload
2126		3357
2127	unless ($LINK_MAP) {	3358	sub reload_perl() {
2128	$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.
2129		3361
2130	$LINK_MAP->width (41);	3362	$RELOAD_WATCHER ||= Event->timer (
2131	$LINK_MAP->height (41);	3363	reentrant => 0,
2132	$LINK_MAP->alloc;
2133	$LINK_MAP->path ("{link}");
2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2136
2137	# dirty hack because... archetypes are not yet loaded
2138	Event->timer (
2139	after => 2,	3364	after => 0,
		3365	data => WF_AUTOCANCEL,
2140	cb => sub {	3366	cb => sub {
2141	$_[0]->w->cancel;	3367	do_reload_perl;
2142		3368	undef $RELOAD_WATCHER;
2143	# provide some exits "home"
2144	my $exit = cf::object::new "exit";
2145
2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2149
2150	$LINK_MAP->insert ($exit->clone, 19, 19);
2151	$LINK_MAP->insert ($exit->clone, 19, 20);
2152	$LINK_MAP->insert ($exit->clone, 19, 21);
2153	$LINK_MAP->insert ($exit->clone, 20, 19);
2154	$LINK_MAP->insert ($exit->clone, 20, 21);
2155	$LINK_MAP->insert ($exit->clone, 21, 19);
2156	$LINK_MAP->insert ($exit->clone, 21, 20);
2157	$LINK_MAP->insert ($exit->clone, 21, 21);
2158
2159	$exit->destroy;
2160	});	3369	},
2161		3370	);
2162	$LINK_MAP->{deny_save} = 1;
2163	$LINK_MAP->{deny_reset} = 1;
2164
2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2166	}	3371	}
2167
2168	register "<global>", __PACKAGE__;
2169		3372
2170	register_command "reload" => sub {	3373	register_command "reload" => sub {
2171	my ($who, $arg) = @_;	3374	my ($who, $arg) = @_;
2172		3375
2173	if ($who->flag (FLAG_WIZ)) {	3376	if ($who->flag (FLAG_WIZ)) {
2174	$who->message ("start of reload.");
2175	reload;
2176	$who->message ("end of reload.");	3377	$who->message ("reloading server.");
		3378	async { reload_perl };
2177	}	3379	}
2178	};	3380	};
2179		3381
2180	unshift @INC, $LIBDIR;	3382	unshift @INC, $LIBDIR;
2181		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;
2182	$TICK_WATCHER = Event->timer (	3409	$TICK_WATCHER = Event->timer (
2183	reentrant => 0,	3410	reentrant => 0,
		3411	parked => 1,
2184	prio => 0,	3412	prio => 0,
2185	at => $NEXT_TICK || $TICK,	3413	at => $NEXT_TICK || $TICK,
2186	data => WF_AUTOCANCEL,	3414	data => WF_AUTOCANCEL,
2187	cb => sub {	3415	cb => sub {
		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
2188	cf::server_tick; # one server iteration	3424	cf::server_tick; # one server iteration
		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
		3447	};
		3448
2189	$RUNTIME += $TICK;	3449	$RUNTIME += $TICK;
2190	$NEXT_TICK += $TICK;	3450	$NEXT_TICK += $TICK;
2191		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
2192	# 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
2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2194		3474
2195	$TICK_WATCHER->at ($NEXT_TICK);	3475	$TICK_WATCHER->at ($NEXT_TICK);
2196	$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
2197	},	3484	},
2198	);	3485	);
2199		3486
		3487	{
2200	IO::AIO::max_poll_time $TICK * 0.2;	3488	BDB::max_poll_time $TICK * 0.1;
2201		3489	$BDB_POLL_WATCHER = Event->io (
2202	Event->io (	3490	reentrant => 0,
2203	fd => IO::AIO::poll_fileno,	3491	fd => BDB::poll_fileno,
2204	poll => 'r',	3492	poll => 'r',
2205	prio => 5,	3493	prio => 0,
2206	data => WF_AUTOCANCEL,
2207	cb => \&IO::AIO::poll_cb,
2208	);
2209
2210	Event->timer (
2211	data => WF_AUTOCANCEL,	3494	data => WF_AUTOCANCEL,
2212	after => 0,	3495	cb => \&BDB::poll_cb,
2213	interval => 10,	3496	);
2214	cb => sub {	3497	BDB::min_parallel 8;
2215	(Coro::unblock_sub {	3498
2216	write_runtime	3499	BDB::set_sync_prepare {
2217	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 $@;
2218	})->();	3533	};
2219	},	3534	}
2220	);	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;
2221		3592
2222	END { cf::emergency_save }	3593	END { cf::emergency_save }
2223		3594
2224	1	3595	1
2225		3596

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