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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.129 by root, Wed Jan 3 00:41:19 2007 UTC vs.
Revision 1.360 by root, Sun Sep 9 06:25:46 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
		28	use Data::Dumper;
20	use Digest::MD5;	29	use Digest::MD5;
21	use Fcntl;	30	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.32 ();
24	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
25		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
27		44
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
30		47
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		49
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		51
35	our %COMMAND = ();	52	our %COMMAND = ();
36	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
38		60
		61	our $RELOAD; # number of reloads so far
39	our @EVENT;	62	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		63
42	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	80	our $NEXT_TICK;
45	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
46		86
47	our %CFG;	87	our %CFG;
48		88
49	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	90	our $RUNTIME;
51		91
52	our %MAP; # all maps	92	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	93	our (%MAP, %MAP_LOADING ); # all maps
54	our $FREEZE;	94	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	95
56	our %EXT_CORO;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
		97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
57		102
58	binmode STDOUT;	103	binmode STDOUT;
59	binmode STDERR;	104	binmode STDERR;
60		105
61	# read virtual server time, if available	106	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
66	}	111	}
67		112
68	mkdir cf::localdir;	113	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		115
74	# a special map that is always available	116	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		117
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	118	sub cf::map::normalise;
78		119
79	#############################################################################	120	#############################################################################
80		121
81	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
82		123
…		…
89	=item $cf::RUNTIME	130	=item $cf::RUNTIME
90		131
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	133	every server tick.
93		134
94	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		138
96	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
98		143
99	=item $cf::NOW	144	=item $cf::NOW
100		145
101	The time of the last (current) server tick.	146	The time of the last (current) server tick.
102		147
103	=item $cf::TICK	148	=item $cf::TICK
104		149
105	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
106		161
107	=item %cf::CFG	162	=item %cf::CFG
108		163
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		170	returns directly I<after> the tick processing (and consequently, can only wake one process
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
111		178
112	=back	179	=back
113		180
114	=cut	181	=cut
115		182
116	BEGIN {	183	BEGIN {
117	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	185	my $msg = join "", @_;
119	utf8::encode $msg;
120		186
121	$msg .= "\n"	187	$msg .= "\n"
122	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
123		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
124	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
125	};	194	};
126	}	195	}
127		196
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		204
135	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	206	# within the Safe compartment.
137	for my $pkg (qw(	207	for my $pkg (qw(
138	cf::global cf::attachable	208	cf::global cf::attachable
…		…
147		217
148	$Event::DIED = sub {	218	$Event::DIED = sub {
149	warn "error in event callback: @_";	219	warn "error in event callback: @_";
150	};	220	};
151		221
152	my %ext_pkg;	222	#############################################################################
153	my @exts;
154	my @hook;
155		223
156	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
157		225
158	=over 4	226	=over 4
159		227
160	=cut	228	=item dumpval $ref
161		229
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	230	=cut
		231
		232	sub dumpval {
		233	eval {
		234	local $SIG{__DIE__};
		235	my $d;
		236	if (1) {
		237	$d = new Data::Dumper([$_[0]], ["*var"]);
		238	$d->Terse(1);
		239	$d->Indent(2);
		240	$d->Quotekeys(0);
		241	$d->Useqq(1);
		242	#$d->Bless(...);
		243	$d->Seen($_[1]) if @_ > 1;
		244	$d = $d->Dump();
		245	}
		246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		247	$d
		248	} || "[unable to dump $_[0]: '$@']";
		249	}
163		250
164	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
165		252
166	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
167		254
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
176		256
177	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
178		258
179	=cut	259	=cut
180		260
181	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185		262
186	=item my $guard = cf::guard { BLOCK }	263	sub to_json ($) { $json_coder->encode ($_[0]) }
187		264	sub from_json ($) { $json_coder->decode ($_[0]) }
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207		265
208	=item cf::lock_wait $string	266	=item cf::lock_wait $string
209		267
210	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
211		269
212	=item my $lock = cf::lock_acquire $string	270	=item my $lock = cf::lock_acquire $string
213		271
214	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
217	returned.	275	returned.
218		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
219	Lock names should begin with a unique identifier (for example, find_map	280	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
221		286
222	=cut	287	=cut
223		288
224	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
225		291
226	sub lock_wait($) {	292	sub lock_wait($) {
227	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
228		299
229	# wait for lock, if any	300	# wait for lock, if any
230	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
231	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
232	Coro::schedule;	303	Coro::schedule;
…		…
238		309
239	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
240	lock_wait $key;	311	lock_wait $key;
241		312
242	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
243		315
244	cf::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
245	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
247	}	320	}
248	}	321	}
249		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
		329	sub freeze_mainloop {
		330	return unless $TICK_WATCHER->is_active;
		331
		332	my $guard = Coro::guard {
		333	$TICK_WATCHER->start;
		334	};
		335	$TICK_WATCHER->stop;
		336	$guard
		337	}
		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
		393	}
		394
250	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
251		396
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	397	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	398	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		399	thing you are allowed to do is call C<prio> on it.
254		400
255	=cut	401	=cut
256		402
257	sub async(&) {	403	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		404
266	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
267		406
268	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
269	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
270	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
271		411
272	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
273	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
274	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
275	fast or be very important.	415	fast or be very important.
…		…
278		418
279	sub sync_job(&) {	419	sub sync_job(&) {
280	my ($job) = @_;	420	my ($job) = @_;
281		421
282	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
283	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
285		427
286	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	429	# (but this is cancel-safe)
288	local $FREEZE = 1;	430	my $freeze_guard = freeze_mainloop;
289		431
290	my $busy = 1;	432	my $busy = 1;
291	my @res;	433	my @res;
292		434
293	(Coro::async {	435	(async {
294	@res = eval { $job->() };	436	@res = eval { $job->() };
295	warn $@ if $@;	437	warn $@ if $@;
296	undef $busy;	438	undef $busy;
297	})->prio (Coro::PRIO_MAX);	439	})->prio (Coro::PRIO_MAX);
298		440
299	while ($busy) {	441	while ($busy) {
300	Coro::cede_notself;	442	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	443	}
		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
303		451
304	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
305	} else {	453	} else {
306	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
307		455
308	$job->()	456	$job->()
309	}	457	}
310	}	458	}
311		459
312	=item $coro = cf::coro { BLOCK }	460	=item $coro = cf::async_ext { BLOCK }
313		461
314	Creates and returns a new coro. This coro is automcatially being canceled	462	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	463	extension calling this is being unloaded.
316		464
317	=cut	465	=cut
318		466
319	sub coro(&) {	467	sub async_ext(&) {
320	my $cb = shift;	468	my $cb = shift;
321		469
322	my $coro = &cf::async ($cb);	470	my $coro = &Coro::async ($cb);
323		471
324	$coro->on_destroy (sub {	472	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	473	delete $EXT_CORO{$coro+0};
326	});	474	});
327	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
328		476
329	$coro	477	$coro
330	}	478	}
331		479
332	sub write_runtime {	480	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		481
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
336	or return;	483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
337		486
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	487	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		488
342	aio_fsync $fh	489	sub fork_call(&@) {
343	and return;	490	my ($cb, @args) = @_;
344		491
345	close $fh	492	# we seemingly have to make a local copy of the whole thing,
346	or return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
347		495
348	aio_rename "$runtime~", $runtime	496	my @res = Coro::Util::fork_eval {
349	and return;	497	reset_signals;
		498	&$cb
		499	}, @args;
350		500
		501	wantarray ? @res : $res[-1]
		502	}
		503
		504	=item $value = cf::db_get $family => $key
		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
351	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
		618	}
		619
		620	=item cf::datalog type => key => value, ...
		621
		622	Log a datalog packet of the given type with the given key-value pairs.
		623
		624	=cut
		625
		626	sub datalog($@) {
		627	my ($type, %kv) = @_;
		628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
352	}	629	}
353		630
354	=back	631	=back
355		632
356	=cut	633	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		634
478	#############################################################################	635	#############################################################################
479		636
480	=head2 ATTACHABLE OBJECTS	637	=head2 ATTACHABLE OBJECTS
481		638
…		…
483	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
484	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
485		642
486	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
487	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
488	crossfire+).	645	Crossfire TRT).
489		646
490	=over 4	647	=over 4
491		648
492	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
493		650
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	764	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	765	our @CB_MAP = ();
609		766
610	my %attachment;	767	my %attachment;
611		768
		769	sub cf::attachable::thawer_merge {
		770	# simply override everything except _meta
		771	local $_[0]{_meta};
		772	%{$_[0]} = %{$_[1]};
		773	}
		774
612	sub _attach_cb($$$$) {	775	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	776	my ($registry, $event, $prio, $cb) = @_;
614		777
615	use sort 'stable';	778	use sort 'stable';
616		779
…		…
650	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
651		814
652	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
653	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
654	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
655	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
656		819
657	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
658	my $pkg = shift @arg;	821	my $pkg = shift @arg;
659		822
660	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
689	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
690	}	853	}
691		854
692	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
693	} else {	856	} else {
694	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
695	}	858	}
696		859
697	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
698	}	861	}
699		862
…		…
701	if (ref $_[0]) {	864	if (ref $_[0]) {
702	_object_attach @_;	865	_object_attach @_;
703	} else {	866	} else {
704	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
705	}	868	}
		869	_recalc_want;
706	};	870	};
707		871
708	# all those should be optimised	872	# all those should be optimised
709	sub cf::attachable::detach {	873	sub cf::attachable::detach {
710	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
713	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
714	reattach ($obj);	878	reattach ($obj);
715	} else {	879	} else {
716	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
717	}	881	}
		882	_recalc_want;
718	};	883	};
719		884
720	sub cf::attachable::attached {	885	sub cf::attachable::attached {
721	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
722		887
…		…
737	";	902	";
738	die if $@;	903	die if $@;
739	}	904	}
740		905
741	our $override;	906	our $override;
742	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
743		908
744	sub override {	909	sub override {
745	$override = 1;	910	$override = 1;
746	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
747	}	912	}
748		913
749	sub do_invoke {	914	sub do_invoke {
750	my $event = shift;	915	my $event = shift;
751	my $callbacks = shift;	916	my $callbacks = shift;
752		917
753	@invoke_results = ();	918	@INVOKE_RESULTS = ();
754		919
755	local $override;	920	local $override;
756		921
757	for (@$callbacks) {	922	for (@$callbacks) {
758	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
775		940
776	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
777		942
778	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
779	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
780	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
781		946
782	=back	947	=back
783		948
784	=cut	949	=cut
785		950
786	#############################################################################	951	#############################################################################
787	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
788		964
789	sub reattach {	965	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	967	my ($obj) = @_;
		968
		969	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		970
793	my $registry = $obj->registry;	971	my $registry = $obj->registry;
794		972
795	@$registry = ();	973	@$registry = ();
796		974
…		…
835	);	1013	);
836		1014
837	sub object_freezer_save {	1015	sub object_freezer_save {
838	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
839		1017
		1018	my $guard = cf::lock_acquire "io";
		1019
840	sync_job {	1020	sync_job {
841	if (length $$rdata) {	1021	if (length $$rdata) {
842	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
843	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
844		1024
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
849	close $fh;	1029	close $fh;
850		1030
851	if (@$objs) {	1031	if (@$objs) {
852	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
853	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
856	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
857	close $fh;	1037	close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
859	}	1039	}
860	} else {	1040	} else {
861	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
867	}	1047	}
868	} else {	1048	} else {
869	aio_unlink $filename;	1049	aio_unlink $filename;
870	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
871	}	1051	}
872	}	1052	};
		1053
		1054	undef $guard;
873	}	1055	}
874		1056
875	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
876	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
877		1059
…		…
882		1064
883	sub object_thawer_load {	1065	sub object_thawer_load {
884	my ($filename) = @_;	1066	my ($filename) = @_;
885		1067
886	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
887		1071
888	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
889	or return;	1073	or return;
890		1074
891	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
892	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
893	or return;	1077	or return;
		1078
		1079	undef $guard;
894	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
895	}	1081	}
896		1082
897	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
898	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
899	return ($data, $av);	1086	($data, $av)
900	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
901		1094
902	#############################################################################	1095	#############################################################################
903	# command handling &c	1096	# command handling &c
904		1097
905	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
918	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
919	}	1112	}
920		1113
921	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
922		1115
923	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
924		1121
925	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
926	called.	1123	called.
927		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
928	=cut	1136	=cut
929		1137
930	sub register_extcmd {	1138	sub register_extcmd {
931	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
932		1140
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
937	}	1148	}
938		1149
939	cf::player->attach (	1150	cf::player->attach (
940	on_command => sub {	1151	on_command => sub {
941	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
950	cf::override;	1161	cf::override;
951	},	1162	},
952	on_extcmd => sub {	1163	on_extcmd => sub {
953	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
954		1165
955	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
956		1167
957	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
960	$pl->ext_reply ($msg->{msgid}, %reply);
961	}
962	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
963	} else {	1183	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
965	}	1185	}
966		1186
967	cf::override;	1187	cf::override;
968	},	1188	},
969	);	1189	);
970		1190
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
		1195	for my $path (<$LIBDIR/*.ext>) {
		1196	next unless -r $path;
		1197
		1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
		1255	}
		1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
		1261	};
		1262	}
		1263
		1264	#############################################################################
		1265
		1266	=back
		1267
		1268	=head2 CORE EXTENSIONS
		1269
		1270	Functions and methods that extend core crossfire objects.
		1271
		1272	=cut
		1273
		1274	package cf::player;
		1275
		1276	use Coro::AIO;
		1277
		1278	=head3 cf::player
		1279
		1280	=over 4
		1281
		1282	=item cf::player::find $login
		1283
		1284	Returns the given player object, loading it if necessary (might block).
		1285
		1286	=cut
		1287
		1288	sub playerdir($) {
		1289	"$PLAYERDIR/"
		1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1291	}
		1292
		1293	sub path($) {
		1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1295
		1296	(playerdir $login) . "/playerdata"
		1297	}
		1298
		1299	sub find_active($) {
		1300	$cf::PLAYER{$_[0]}
		1301	and $cf::PLAYER{$_[0]}->active
		1302	and $cf::PLAYER{$_[0]}
		1303	}
		1304
		1305	sub exists($) {
		1306	my ($login) = @_;
		1307
		1308	$cf::PLAYER{$login}
		1309	or cf::sync_job { !aio_stat path $login }
		1310	}
		1311
		1312	sub find($) {
		1313	return $cf::PLAYER{$_[0]} || do {
		1314	my $login = $_[0];
		1315
		1316	my $guard = cf::lock_acquire "user_find:$login";
		1317
		1318	$cf::PLAYER{$_[0]} || do {
		1319	# rename old playerfiles to new ones
		1320	#TODO: remove when no longer required
		1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1324	aio_unlink +(playerdir $login) . "/$login.pl";
		1325
		1326	my $f = new_from_file cf::object::thawer path $login
		1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
		1334	$cf::PLAYER{$login} = $pl
		1335	}
		1336	}
		1337	}
		1338
		1339	sub save($) {
		1340	my ($pl) = @_;
		1341
		1342	return if $pl->{deny_save};
		1343
		1344	my $path = path $pl;
		1345	my $guard = cf::lock_acquire "user_save:$path";
		1346
		1347	return if $pl->{deny_save};
		1348
		1349	aio_mkdir playerdir $pl, 0770;
		1350	$pl->{last_save} = $cf::RUNTIME;
		1351
		1352	$pl->save_pl ($path);
		1353	cf::cede_to_tick;
		1354	}
		1355
		1356	sub new($) {
		1357	my ($login) = @_;
		1358
		1359	my $self = create;
		1360
		1361	$self->ob->name ($login);
		1362	$self->{deny_save} = 1;
		1363
		1364	$cf::PLAYER{$login} = $self;
		1365
		1366	$self
		1367	}
		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
		1377	}
		1378
		1379	=item $pl->quit_character
		1380
		1381	Nukes the player without looking back. If logged in, the connection will
		1382	be destroyed. May block for a long time.
		1383
		1384	=cut
		1385
		1386	sub quit_character {
		1387	my ($pl) = @_;
		1388
		1389	my $name = $pl->ob->name;
		1390
		1391	$pl->{deny_save} = 1;
		1392	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1393
		1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1395	$pl->deactivate;
		1396	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1397	$pl->ns->destroy if $pl->ns;
		1398
		1399	my $path = playerdir $pl;
		1400	my $temp = "$path~$cf::RUNTIME~deleting~";
		1401	aio_rename $path, $temp;
		1402	delete $cf::PLAYER{$pl->ob->name};
		1403	$pl->destroy;
		1404
		1405	my $prefix = qr<^~\Q$name\E/>;
		1406
		1407	# nuke player maps
		1408	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1409
		1410	IO::AIO::aio_rmtree $temp;
		1411	}
		1412
		1413	=item $pl->kick
		1414
		1415	Kicks a player out of the game. This destroys the connection.
		1416
		1417	=cut
		1418
		1419	sub kick {
		1420	my ($pl, $kicker) = @_;
		1421
		1422	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1423	$pl->killer ("kicked");
		1424	$pl->ns->destroy;
		1425	}
		1426
		1427	=item cf::player::list_logins
		1428
		1429	Returns am arrayref of all valid playernames in the system, can take a
		1430	while and may block, so not sync_job-capable, ever.
		1431
		1432	=cut
		1433
		1434	sub list_logins {
		1435	my $dirs = aio_readdir $PLAYERDIR
		1436	or return [];
		1437
		1438	my @logins;
		1439
		1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
		1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1446	aio_read $fh, 0, 512, my $buf, 0 or next;
		1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
		1449
		1450	utf8::decode $login;
		1451	push @logins, $login;
		1452	}
		1453
		1454	\@logins
		1455	}
		1456
		1457	=item $player->maps
		1458
		1459	Returns an arrayref of map paths that are private for this
		1460	player. May block.
		1461
		1462	=cut
		1463
		1464	sub maps($) {
		1465	my ($pl) = @_;
		1466
		1467	$pl = ref $pl ? $pl->ob->name : $pl;
		1468
		1469	my $files = aio_readdir playerdir $pl
		1470	or return;
		1471
		1472	my @paths;
		1473
		1474	for (@$files) {
		1475	utf8::decode $_;
		1476	next if /\.(?:pl|pst)$/;
		1477	next unless /^$PATH_SEP/o;
		1478
		1479	push @paths, cf::map::normalise "~$pl/$_";
		1480	}
		1481
		1482	\@paths
		1483	}
		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
		1536	=item $player->ext_reply ($msgid, @msg)
		1537
		1538	Sends an ext reply to the player.
		1539
		1540	=cut
		1541
		1542	sub ext_reply($$@) {
		1543	my ($self, $id, @msg) = @_;
		1544
		1545	$self->ns->ext_reply ($id, @msg)
		1546	}
		1547
		1548	=item $player->ext_msg ($type, @msg)
		1549
		1550	Sends an ext event to the client.
		1551
		1552	=cut
		1553
		1554	sub ext_msg($$@) {
		1555	my ($self, $type, @msg) = @_;
		1556
		1557	$self->ns->ext_msg ($type, @msg);
		1558	}
		1559
		1560	=head3 cf::region
		1561
		1562	=over 4
		1563
		1564	=cut
		1565
		1566	package cf::region;
		1567
		1568	=item cf::region::find_by_path $path
		1569
		1570	Tries to decuce the likely region for a map knowing only its path.
		1571
		1572	=cut
		1573
		1574	sub find_by_path($) {
978	my ($path) = @_;	1575	my ($path) = @_;
979		1576
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1577	my ($match, $specificity);
981	my $base = $1;
982	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";
985		1578
986	warn "loading '$path' into '$pkg'\n";	1579	for my $region (list) {
987		1580	if ($region->{match} && $path =~ $region->{match}) {
988	open my $fh, "<:utf8", $path	1581	($match, $specificity) = ($region, $region->specificity)
989	or die "$path: $!";	1582	if $region->specificity > $specificity;
990		1583	}
991	my $source =
992	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })
995	. "\n};\n1";
996
997	eval $source
998	or die $@ ? "$path: $@\n"
999	: "extension disabled.\n";
1000
1001	push @exts, $pkg;
1002	$ext_pkg{$base} = $pkg;
1003
1004	# no strict 'refs';
1005	# @{"$pkg\::ISA"} = ext::;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	1584	}
1020		1585
1021	# remove commands	1586	$match
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}
1046
1047	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;
1050	eval {
1051	load_extension $ext;
1052	1
1053	} or warn "$ext not loaded: $@";
1054	}
1055	}
1056
1057	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094
1095	=head2 CORE EXTENSIONS
1096
1097	Functions and methods that extend core crossfire objects.
1098
1099	=head3 cf::player
1100
1101	=over 4
1102
1103	=item cf::player::exists $login
1104
1105	Returns true when the given account exists.
1106
1107	=cut
1108
1109	sub cf::player::exists($) {
1110	cf::player::find $_[0]
1111	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1112	}
1113
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115
1116	Sends an ext reply to the player.
1117
1118	=cut
1119
1120	sub cf::player::ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;
1122
1123	$msg{msgid} = $id;
1124
1125	$self->send ("ext " . to_json \%msg);
1126	}	1587	}
1127		1588
1128	=back	1589	=back
1129
1130		1590
1131	=head3 cf::map	1591	=head3 cf::map
1132		1592
1133	=over 4	1593	=over 4
1134		1594
…		…
1137	package cf::map;	1597	package cf::map;
1138		1598
1139	use Fcntl;	1599	use Fcntl;
1140	use Coro::AIO;	1600	use Coro::AIO;
1141		1601
		1602	use overload
		1603	'""' => \&as_string,
		1604	fallback => 1;
		1605
1142	our $MAX_RESET = 7200;	1606	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1607	our $DEFAULT_RESET = 3000;
1144		1608
1145	sub generate_random_map {	1609	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1610	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1611	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1612	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1613	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1614	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1615	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1616	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1617	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1618	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1619	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1620	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1621	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1622	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region})	1623	(cf::region::find $rmp->{region}), $rmp->{custom}
		1624	)
		1625	}
		1626
		1627	=item cf::map->register ($regex, $prio)
		1628
		1629	Register a handler for the map path matching the given regex at the
		1630	givne priority (higher is better, built-in handlers have priority 0, the
		1631	default).
		1632
		1633	=cut
		1634
		1635	sub register {
		1636	my (undef, $regex, $prio) = @_;
		1637	my $pkg = caller;
		1638
		1639	no strict;
		1640	push @{"$pkg\::ISA"}, __PACKAGE__;
		1641
		1642	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1643	}
		1644
		1645	# also paths starting with '/'
		1646	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1647
		1648	sub thawer_merge {
		1649	my ($self, $merge) = @_;
		1650
		1651	# we have to keep some variables in memory intact
		1652	local $self->{path};
		1653	local $self->{load_path};
		1654
		1655	$self->SUPER::thawer_merge ($merge);
		1656	}
		1657
		1658	sub normalise {
		1659	my ($path, $base) = @_;
		1660
		1661	$path = "$path"; # make sure its a string
		1662
		1663	$path =~ s/\.map$//;
		1664
		1665	# map plan:
		1666	#
		1667	# /! non-realised random map exit (special hack!)
		1668	# {... are special paths that are not being touched
		1669	# ?xxx/... are special absolute paths
		1670	# ?random/... random maps
		1671	# /... normal maps
		1672	# ~user/... per-player map of a specific user
		1673
		1674	$path =~ s/$PATH_SEP/\//go;
		1675
		1676	# treat it as relative path if it starts with
		1677	# something that looks reasonable
		1678	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1679	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1680
		1681	$base =~ s{[^/]+/?$}{};
		1682	$path = "$base/$path";
		1683	}
		1684
		1685	for ($path) {
		1686	redo if s{//}{/};
		1687	redo if s{/\.?/}{/};
		1688	redo if s{/[^/]+/\.\./}{/};
		1689	}
		1690
		1691	$path
		1692	}
		1693
		1694	sub new_from_path {
		1695	my (undef, $path, $base) = @_;
		1696
		1697	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1698
		1699	$path = normalise $path, $base;
		1700
		1701	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1702	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1703	my $self = bless cf::map::new, $pkg;
		1704	$self->{path} = $path; $self->path ($path);
		1705	$self->init; # pass $1 etc.
		1706	return $self;
		1707	}
		1708	}
		1709
		1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1711	()
		1712	}
		1713
		1714	sub init {
		1715	my ($self) = @_;
		1716
		1717	$self
		1718	}
		1719
		1720	sub as_string {
		1721	my ($self) = @_;
		1722
		1723	"$self->{path}"
		1724	}
		1725
		1726	# the displayed name, this is a one way mapping
		1727	sub visible_name {
		1728	&as_string
		1729	}
		1730
		1731	# the original (read-only) location
		1732	sub load_path {
		1733	my ($self) = @_;
		1734
		1735	"$MAPDIR/$self->{path}.map"
		1736	}
		1737
		1738	# the temporary/swap location
		1739	sub save_path {
		1740	my ($self) = @_;
		1741
		1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1743	"$TMPDIR/$path.map"
		1744	}
		1745
		1746	# the unique path, undef == no special unique path
		1747	sub uniq_path {
		1748	my ($self) = @_;
		1749
		1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1751	"$UNIQUEDIR/$path"
1162	}	1752	}
1163		1753
1164	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1165	# all maps in C++...	1755	# all maps in C++...
1166	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1168		1758
1169	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1171	}	1761	}
1172		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
		1771	sub unlink_save {
		1772	my ($self) = @_;
		1773
		1774	utf8::encode (my $save = $self->save_path);
		1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1776	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1777	}
		1778
1173	sub try_load_header($) {	1779	sub load_header_from($) {
1174	my ($path) = @_;	1780	my ($self, $path) = @_;
1175		1781
1176	utf8::encode $path;	1782	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1178	or return;	1784	or return;
1179		1785
1180	my $map = cf::map::new	1786	$self->_load_header ($f)
1181	or return;	1787	or return;
1182		1788
1183	$map->load_header ($path)	1789	local $MAP_LOADING{$self->{path}} = $self;
		1790	$f->resolve_delayed_derefs;
		1791
		1792	$self->{load_path} = $path;
		1793
		1794	1
		1795	}
		1796
		1797	sub load_header_orig {
		1798	my ($self) = @_;
		1799
		1800	$self->load_header_from ($self->load_path)
		1801	}
		1802
		1803	sub load_header_temp {
		1804	my ($self) = @_;
		1805
		1806	$self->load_header_from ($self->save_path)
		1807	}
		1808
		1809	sub prepare_temp {
		1810	my ($self) = @_;
		1811
		1812	$self->last_access ((delete $self->{last_access})
		1813	|| $cf::RUNTIME); #d#
		1814	# safety
		1815	$self->{instantiate_time} = $cf::RUNTIME
		1816	if $self->{instantiate_time} > $cf::RUNTIME;
		1817	}
		1818
		1819	sub prepare_orig {
		1820	my ($self) = @_;
		1821
		1822	$self->{load_original} = 1;
		1823	$self->{instantiate_time} = $cf::RUNTIME;
		1824	$self->last_access ($cf::RUNTIME);
		1825	$self->instantiate;
		1826	}
		1827
		1828	sub load_header {
		1829	my ($self) = @_;
		1830
		1831	if ($self->load_header_temp) {
		1832	$self->prepare_temp;
		1833	} else {
		1834	$self->load_header_orig
1184	or return;	1835	or return;
		1836	$self->prepare_orig;
		1837	}
1185		1838
1186	$map->{load_path} = $path;	1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
1187		1841
1188	$map	1842	$self->default_region (cf::region::find_by_path $self->{path})
1189	}	1843	unless $self->default_region;
1190		1844
		1845	1
		1846	}
		1847
1191	sub find_map;	1848	sub find;
1192	sub find_map {	1849	sub find {
1193	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1194		1851
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1200	cf::lock_wait "map_find:$key";	1855	cf::lock_wait "map_find:$path";
1201		1856
1202	$cf::MAP{$key} || do {	1857	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1204		1860
1205	# do it the slow way	1861	my $map = new_from_path cf::map $path
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1862	or return;
1220		1863
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1865
1234	if ($map->should_reset) {	1866	$map->load_header
		1867	or return;
		1868
		1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1870	# doing this can freeze the server in a sync job, obviously
		1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1235	$map->reset;	1874	$map->reset;
1236	undef $guard;	1875	return find $path;
1237	$map = find_map $path
1238	or return;
1239	}	1876	}
1240		1877
1241	$cf::MAP{$key} = $map	1878	$cf::MAP{$path} = $map
1242	}	1879	}
1243	}	1880	}
		1881
		1882	sub pre_load { }
		1883	sub post_load { }
1244		1884
1245	sub load {	1885	sub load {
1246	my ($self) = @_;	1886	my ($self) = @_;
1247		1887
		1888	local $self->{deny_reset} = 1; # loading can take a long time
		1889
1248	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1893	my $guard = cf::lock_acquire "map_data:$path";
1250		1894
		1895	return unless $self->valid;
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return unless $self->in_memory == cf::MAP_SWAPPED;
1252		1897
1253	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1254		1899
1255	$self->alloc;	1900	$self->alloc;
1256	$self->load_objects ($self->{load_path}, 1)	1901
		1902	$self->pre_load;
		1903	cf::cede_to_tick;
		1904
		1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
		1907	$self->_load_objects ($f)
1257	or return;	1908	or return;
1258		1909
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1911	if delete $self->{load_original};
1261		1912
1262	if (my $uniq = $path->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1914	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1265	$self->clear_unique_items;	1917	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1267	}	1921	}
1268	}	1922	}
1269		1923
		1924	$f->resolve_delayed_derefs;
		1925
		1926	cf::cede_to_tick;
1270	# now do the right thing for maps	1927	# now do the right thing for maps
1271	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1272
1273	if ($self->{path}->is_style_map) {
1274	$self->{deny_save} = 1;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;
1280	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1930	unless $self->difficulty;
		1931	cf::cede_to_tick;
		1932
		1933	unless ($self->{deny_activate}) {
		1934	$self->decay_objects;
		1935	$self->fix_auto_apply;
		1936	$self->update_buttons;
		1937	cf::cede_to_tick;
		1938	$self->set_darkness_map;
		1939	cf::cede_to_tick;
1283	$self->activate;	1940	$self->activate;
1284	}	1941	}
1285		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
		1945
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1946	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1947	}
1288		1948
1289	sub load_map_sync {	1949	$self->post_load;
		1950	}
		1951
		1952	sub customise_for {
		1953	my ($self, $ob) = @_;
		1954
		1955	return find "~" . $ob->name . "/" . $self->{path}
		1956	if $self->per_player;
		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
		1961	$self
		1962	}
		1963
		1964	# find and load all maps in the 3x3 area around a map
		1965	sub load_neighbours {
		1966	my ($map) = @_;
		1967
		1968	my @neigh; # diagonal neighbours
		1969
		1970	for (0 .. 3) {
		1971	my $neigh = $map->tile_path ($_)
		1972	or next;
		1973	$neigh = find $neigh, $map
		1974	or next;
		1975	$neigh->load;
		1976
		1977	push @neigh,
		1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1980	}
		1981
		1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
		1984	my $neigh = find $path, $origin
		1985	or next;
		1986	$neigh->load;
		1987	}
		1988	}
		1989
		1990	sub find_sync {
1290	my ($path, $origin) = @_;	1991	my ($path, $origin) = @_;
1291		1992
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1993	cf::sync_job { find $path, $origin }
		1994	}
1293		1995
1294	cf::sync_job {	1996	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1997	my ($map) = @_;
1296	or return;	1998
1297	$map->load;	1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1298	$map	2000	if $Coro::current == $Coro::main;
		2001
		2002	cf::sync_job { $map->load };
		2003	}
		2004
		2005	our %MAP_PREFETCH;
		2006	our $MAP_PREFETCHER = undef;
		2007
		2008	sub find_async {
		2009	my ($path, $origin, $load) = @_;
		2010
		2011	$path = normalise $path, $origin && $origin->{path};
		2012
		2013	if (my $map = $cf::MAP{$path}) {
		2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2015	}
		2016
		2017	$MAP_PREFETCH{$path} |= $load;
		2018
		2019	$MAP_PREFETCHER ||= cf::async {
		2020	while (%MAP_PREFETCH) {
		2021	while (my ($k, $v) = each %MAP_PREFETCH) {
		2022	if (my $map = find $k) {
		2023	$map->load if $v;
		2024	}
		2025
		2026	delete $MAP_PREFETCH{$k};
		2027	}
		2028	}
		2029	undef $MAP_PREFETCHER;
1299	}	2030	};
		2031	$MAP_PREFETCHER->prio (6);
		2032
		2033	()
1300	}	2034	}
1301		2035
1302	sub save {	2036	sub save {
1303	my ($self) = @_;	2037	my ($self) = @_;
1304		2038
		2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2040
1305	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1306		2042
1307	return unless $self->dirty;	2043	return unless $self->dirty;
1308		2044
1309	my $save = $self->{path}->save_path; utf8::encode $save;	2045	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2046	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		2047
1312	$self->{load_path} = $save;	2048	$self->{load_path} = $save;
1313		2049
1314	return if $self->{deny_save};	2050	return if $self->{deny_save};
1315		2051
		2052	local $self->{last_access} = $self->last_access;#d#
		2053
		2054	cf::async {
		2055	$_->contr->save for $self->players;
		2056	};
		2057
1316	if ($uniq) {	2058	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2059	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	2060	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	2061	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2062	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	2063	}
1322	}	2064	}
1323		2065
1324	sub swap_out {	2066	sub swap_out {
1325	my ($self) = @_;	2067	my ($self) = @_;
		2068
		2069	# save first because save cedes
		2070	$self->save;
		2071
		2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1326		2073
1327	return if $self->players;	2074	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};	2076	return if $self->{deny_save};
1330		2077
		2078	$self->in_memory (cf::MAP_SWAPPED);
		2079
1331	$self->save;	2080	$self->deactivate;
		2081	$_->clear_links_to ($self) for values %cf::MAP;
1332	$self->clear;	2082	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);
1334	}	2083	}
1335		2084
1336	sub reset_at {	2085	sub reset_at {
1337	my ($self) = @_;	2086	my ($self) = @_;
1338		2087
1339	# TODO: safety, remove and allow resettable per-player maps	2088	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};
1341	return 1e99 if $self->{deny_reset};	2089	return 1e99 if $self->{deny_reset};
1342		2090
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2091	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2092	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		2093
…		…
1350	my ($self) = @_;	2098	my ($self) = @_;
1351		2099
1352	$self->reset_at <= $cf::RUNTIME	2100	$self->reset_at <= $cf::RUNTIME
1353	}	2101	}
1354		2102
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	2103	sub reset {
1377	my ($self) = @_;	2104	my ($self) = @_;
1378		2105
		2106	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2107
1379	return if $self->players;	2108	return if $self->players;
1380	return if $self->{path}{user_rel};#d#
1381		2109
1382	warn "resetting map ", $self->path;#d#	2110	warn "resetting map ", $self->path;
		2111
		2112	$self->in_memory (cf::MAP_SWAPPED);
		2113
		2114	# need to save uniques path
		2115	unless ($self->{deny_save}) {
		2116	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2117
		2118	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2119	if $uniq;
		2120	}
1383		2121
1384	delete $cf::MAP{$self->path};	2122	delete $cf::MAP{$self->path};
1385		2123
		2124	$self->deactivate;
1386	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
		2126	$self->clear;
1387		2127
1388	$self->unlink_save;	2128	$self->unlink_save;
1389	$self->destroy;	2129	$self->destroy;
1390	}	2130	}
1391		2131
1392	my $nuke_counter = "aaaa";	2132	my $nuke_counter = "aaaa";
1393		2133
1394	sub nuke {	2134	sub nuke {
1395	my ($self) = @_;	2135	my ($self) = @_;
1396		2136
		2137	{
		2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2139
		2140	delete $cf::MAP{$self->path};
		2141
		2142	$self->unlink_save;
		2143
		2144	bless $self, "cf::map";
		2145	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	2146	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	2147	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	2148	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2149
		2150	$cf::MAP{$self->path} = $self;
		2151	}
		2152
1400	$self->reset; # polite request, might not happen	2153	$self->reset; # polite request, might not happen
1401	}	2154	}
1402		2155
1403	sub customise_for {	2156	=item $maps = cf::map::tmp_maps
1404	my ($map, $ob) = @_;
1405		2157
1406	if ($map->per_player) {	2158	Returns an arrayref with all map paths of currently instantiated and saved
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2159	maps. May block.
		2160
		2161	=cut
		2162
		2163	sub tmp_maps() {
1408	}	2164	[
1409		2165	map {
1410	$map	2166	utf8::decode $_;
		2167	/\.map$/
		2168	? normalise $_
		2169	: ()
		2170	} @{ aio_readdir $TMPDIR or [] }
		2171	]
1411	}	2172	}
1412		2173
1413	sub emergency_save {	2174	=item $maps = cf::map::random_maps
1414	local $cf::FREEZE = 1;
1415		2175
1416	warn "enter emergency map save\n";	2176	Returns an arrayref with all map paths of currently instantiated and saved
		2177	random maps. May block.
1417		2178
1418	cf::sync_job {	2179	=cut
1419	warn "begin emergency map save\n";
1420	$_->save for values %cf::MAP;
1421	};
1422		2180
1423	warn "end emergency map save\n";	2181	sub random_maps() {
		2182	[
		2183	map {
		2184	utf8::decode $_;
		2185	/\.map$/
		2186	? normalise "?random/$_"
		2187	: ()
		2188	} @{ aio_readdir $RANDOMDIR or [] }
		2189	]
		2190	}
		2191
		2192	=item cf::map::unique_maps
		2193
		2194	Returns an arrayref of paths of all shared maps that have
		2195	instantiated unique items. May block.
		2196
		2197	=cut
		2198
		2199	sub unique_maps() {
		2200	[
		2201	map {
		2202	utf8::decode $_;
		2203	/\.map$/
		2204	? normalise $_
		2205	: ()
		2206	} @{ aio_readdir $UNIQUEDIR or [] }
		2207	]
1424	}	2208	}
1425		2209
1426	package cf;	2210	package cf;
1427		2211
1428	=back	2212	=back
1429		2213
		2214	=head3 cf::object
		2215
		2216	=cut
		2217
		2218	package cf::object;
		2219
		2220	=over 4
		2221
		2222	=item $ob->inv_recursive
		2223
		2224	Returns the inventory of the object _and_ their inventories, recursively.
		2225
		2226	=cut
		2227
		2228	sub inv_recursive_;
		2229	sub inv_recursive_ {
		2230	map { $_, inv_recursive_ $_->inv } @_
		2231	}
		2232
		2233	sub inv_recursive {
		2234	inv_recursive_ inv $_[0]
		2235	}
		2236
		2237	=item $ref = $ob->ref
		2238
		2239	creates and returns a persistent reference to an objetc that can be stored as a string.
		2240
		2241	=item $ob = cf::object::deref ($refstring)
		2242
		2243	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2244	even if the object actually exists. May block.
		2245
		2246	=cut
		2247
		2248	sub deref {
		2249	my ($ref) = @_;
		2250
		2251	# temporary compatibility#TODO#remove
		2252	$ref =~ s{^<}{player/<};
		2253
		2254	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2255	my ($uuid, $name) = ($1, $2);
		2256	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2257	or return;
		2258	$pl->ob->uuid eq $uuid
		2259	or return;
		2260
		2261	$pl->ob
		2262	} else {
		2263	warn "$ref: cannot resolve object reference\n";
		2264	undef
		2265	}
		2266	}
		2267
		2268	package cf;
		2269
		2270	=back
1430		2271
1431	=head3 cf::object::player	2272	=head3 cf::object::player
1432		2273
1433	=over 4	2274	=over 4
1434		2275
…		…
1448		2289
1449	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2290	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1450		2291
1451	if ($self->{record_replies}) {	2292	if ($self->{record_replies}) {
1452	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2293	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2294
1453	} else {	2295	} else {
		2296	my $pl = $self->contr;
		2297
		2298	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2299	my $dialog = $pl->{npc_dialog};
		2300	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2301
		2302	} else {
1454	$msg = $npc->name . " says: $msg" if $npc;	2303	$msg = $npc->name . " says: $msg" if $npc;
1455	$self->message ($msg, $flags);	2304	$self->message ($msg, $flags);
		2305	}
1456	}	2306	}
		2307	}
		2308
		2309	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2310
		2311	=cut
		2312
		2313	sub cf::object::send_msg {
		2314	my $pl = shift->contr
		2315	or return;
		2316	$pl->send_msg (@_);
1457	}	2317	}
1458		2318
1459	=item $player_object->may ("access")	2319	=item $player_object->may ("access")
1460		2320
1461	Returns wether the given player is authorized to access resource "access"	2321	Returns wether the given player is authorized to access resource "access"
…		…
1474		2334
1475	=item $player_object->enter_link	2335	=item $player_object->enter_link
1476		2336
1477	Freezes the player and moves him/her to a special map (C<{link}>).	2337	Freezes the player and moves him/her to a special map (C<{link}>).
1478		2338
1479	The player should be reaosnably safe there for short amounts of time. You	2339	The player should be reasonably safe there for short amounts of time. You
1480	I<MUST> call C<leave_link> as soon as possible, though.	2340	I<MUST> call C<leave_link> as soon as possible, though.
1481		2341
		2342	Will never block.
		2343
1482	=item $player_object->leave_link ($map, $x, $y)	2344	=item $player_object->leave_link ($map, $x, $y)
1483		2345
1484	Moves the player out of the specila link map onto the given map. If the	2346	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	2347	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	2348	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	2349	fails, to the emergency map position.
1488		2350
1489	Might block.	2351	Might block.
1490		2352
1491	=cut	2353	=cut
		2354
		2355	sub link_map {
		2356	unless ($LINK_MAP) {
		2357	$LINK_MAP = cf::map::find "{link}"
		2358	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2359	$LINK_MAP->load;
		2360	}
		2361
		2362	$LINK_MAP
		2363	}
1492		2364
1493	sub cf::object::player::enter_link {	2365	sub cf::object::player::enter_link {
1494	my ($self) = @_;	2366	my ($self) = @_;
1495		2367
1496	$self->deactivate_recursive;	2368	$self->deactivate_recursive;
1497		2369
1498	return if $self->map == $LINK_MAP;	2370	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		2371
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2372	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	2373	if $self->map && $self->map->{path} ne "{link}";
1502		2374
1503	$self->enter_map ($LINK_MAP, 20, 20);	2375	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	2376	}
1505		2377
1506	sub cf::object::player::leave_link {	2378	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	2379	my ($self, $map, $x, $y) = @_;
		2380
		2381	return unless $self->contr->active;
1508		2382
1509	my $link_pos = delete $self->{_link_pos};	2383	my $link_pos = delete $self->{_link_pos};
1510		2384
1511	unless ($map) {	2385	unless ($map) {
1512	# restore original map position	2386	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	2387	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	2388	$map = cf::map::find $map;
1515		2389
1516	unless ($map) {	2390	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	2391	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	2392	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	2393	or die "FATAL: cannot load emergency map\n";
1520	}	2394	}
1521	}	2395	}
1522		2396
1523	($x, $y) = (-1, -1)	2397	($x, $y) = (-1, -1)
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	2400	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	2401	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	2402	if $x <=0 && $y <= 0;
1529		2403
1530	$map->load;	2404	$map->load;
		2405	$map->load_neighbours;
1531		2406
		2407	return unless $self->contr->active;
1532	$self->activate_recursive;	2408	$self->activate_recursive;
		2409
		2410	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1533	$self->enter_map ($map, $x, $y);	2411	$self->enter_map ($map, $x, $y);
1534	}	2412	}
1535		2413
1536	cf::player->attach (	2414	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1537	on_logout => sub {
1538	my ($pl) = @_;
1539		2415
1540	# abort map switching before logout	2416	Moves the player to the given map-path and coordinates by first freezing
1541	if ($pl->ob->{_link_pos}) {	2417	her, loading and preparing them map, calling the provided $check callback
1542	cf::sync_job {	2418	that has to return the map if sucecssful, and then unfreezes the player on
1543	$pl->ob->leave_link	2419	the new (success) or old (failed) map position. In either case, $done will
1544	};	2420	be called at the end of this process.
1545	}
1546	},
1547	on_login => sub {
1548	my ($pl) = @_;
1549		2421
1550	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;
1554	cf::async {
1555	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn
1557	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;
1559	};
1560	}
1561	},
1562	);
1563
1564	=item $player_object->goto_map ($path, $x, $y)
1565
1566	=cut	2422	=cut
1567		2423
		2424	our $GOTOGEN;
		2425
1568	sub cf::object::player::goto_map {	2426	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	2427	my ($self, $path, $x, $y, $check, $done) = @_;
		2428
		2429	# do generation counting so two concurrent goto's will be executed in-order
		2430	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1570		2431
1571	$self->enter_link;	2432	$self->enter_link;
1572		2433
1573	(cf::async {	2434	(async {
1574	$path = new cf::path $path;	2435	my $map = eval {
1575
1576	my $map = cf::map::find_map $path->as_string;	2436	my $map = cf::map::find $path;
		2437
		2438	if ($map) {
1577	$map = $map->customise_for ($self) if $map;	2439	$map = $map->customise_for ($self);
1578		2440	$map = $check->($map) if $check && $map;
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	2441	} else {
1580	# if $map;
1581
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2442	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2443	}
1583		2444
		2445	$map
		2446	};
		2447
		2448	if ($@) {
		2449	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2450	LOG llevError | logBacktrace, Carp::longmess $@;
		2451	}
		2452
		2453	if ($gen == $self->{_goto_generation}) {
		2454	delete $self->{_goto_generation};
1584	$self->leave_link ($map, $x, $y);	2455	$self->leave_link ($map, $x, $y);
		2456	}
		2457
		2458	$done->() if $done;
1585	})->prio (1);	2459	})->prio (1);
1586	}	2460	}
1587		2461
1588	=item $player_object->enter_exit ($exit_object)	2462	=item $player_object->enter_exit ($exit_object)
1589		2463
…		…
1591		2465
1592	sub parse_random_map_params {	2466	sub parse_random_map_params {
1593	my ($spec) = @_;	2467	my ($spec) = @_;
1594		2468
1595	my $rmp = { # defaults	2469	my $rmp = { # defaults
1596	xsize => 10,	2470	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	2471	ysize => (cf::rndm 15, 40),
		2472	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2473	#layout => string,
1598	};	2474	};
1599		2475
1600	for (split /\n/, $spec) {	2476	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	2477	my ($k, $v) = split /\s+/, $_, 2;
1602		2478
…		…
1606	$rmp	2482	$rmp
1607	}	2483	}
1608		2484
1609	sub prepare_random_map {	2485	sub prepare_random_map {
1610	my ($exit) = @_;	2486	my ($exit) = @_;
		2487
		2488	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		2489
1612	# all this does is basically replace the /! path by	2490	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	2491	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	2492	# that depends on the exit object
1615		2493
1616	my $rmp = parse_random_map_params $exit->msg;	2494	my $rmp = parse_random_map_params $exit->msg;
1617		2495
1618	if ($exit->map) {	2496	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	2497	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	2498	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	2499	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	2500	$rmp->{origin_y} = $exit->y;
1623	}	2501	}
1624		2502
1625	$rmp->{random_seed} ||= $exit->random_seed;	2503	$rmp->{random_seed} ||= $exit->random_seed;
1626		2504
1627	my $data = cf::to_json $rmp;	2505	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	2506	my $md5 = Digest::MD5::md5_hex $data;
		2507	my $meta = "$RANDOMDIR/$md5.meta";
1629		2508
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2509	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	2510	aio_write $fh, 0, (length $data), $data, 0;
		2511	undef $fh;
		2512	aio_rename "$meta~", $meta;
1632		2513
1633	$exit->slaying ("?random/$md5");	2514	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	2515	$exit->msg (undef);
1635	}	2516	}
1636	}	2517	}
…		…
1638	sub cf::object::player::enter_exit {	2519	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	2520	my ($self, $exit) = @_;
1640		2521
1641	return unless $self->type == cf::PLAYER;	2522	return unless $self->type == cf::PLAYER;
1642		2523
		2524	if ($exit->slaying eq "/!") {
		2525	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2526	# the problem is that $exit might not survive long enough
		2527	# so it needs to be done right now, right here
		2528	cf::sync_job { prepare_random_map $exit };
		2529	}
		2530
		2531	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2532	my $hp = $exit->stats->hp;
		2533	my $sp = $exit->stats->sp;
		2534
1643	$self->enter_link;	2535	$self->enter_link;
1644		2536
		2537	# if exit is damned, update players death & WoR home-position
		2538	$self->contr->savebed ($slaying, $hp, $sp)
		2539	if $exit->flag (FLAG_DAMNED);
		2540
1645	(cf::async {	2541	(async {
		2542	$self->deactivate_recursive; # just to be sure
1646	unless (eval {	2543	unless (eval {
1647	prepare_random_map $exit	2544	$self->goto ($slaying, $hp, $sp);
1648	if $exit->slaying eq "/!";
1649
1650	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1652		2545
1653	1;	2546	1;
1654	}) {	2547	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	2548	$self->message ("Something went wrong deep within the crossfire server. "
1656	. "I'll try to bring you back to the map you were before. "	2549	. "I'll try to bring you back to the map you were before. "
1657	. "Please report this to the dungeon master",	2550	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	2551	cf::NDI_UNIQUE | cf::NDI_RED);
1659		2552
1660	warn "ERROR in enter_exit: $@";	2553	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	2554	$self->leave_link;
1662	}	2555	}
1663	})->prio (1);	2556	})->prio (1);
…		…
1676		2569
1677	sub cf::client::send_drawinfo {	2570	sub cf::client::send_drawinfo {
1678	my ($self, $text, $flags) = @_;	2571	my ($self, $text, $flags) = @_;
1679		2572
1680	utf8::encode $text;	2573	utf8::encode $text;
1681	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2574	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1682	}	2575	}
1683		2576
		2577	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2578
		2579	Send a drawinfo or msg packet to the client, formatting the msg for the
		2580	client if neccessary. C<$type> should be a string identifying the type of
		2581	the message, with C<log> being the default. If C<$color> is negative, suppress
		2582	the message unless the client supports the msg packet.
		2583
		2584	=cut
		2585
		2586	our %CHANNEL = (
		2587	"c/identify" => {
		2588	id => "identify",
		2589	title => "Identify",
		2590	reply => undef,
		2591	tooltip => "Items recently identified",
		2592	},
		2593	"c/examine" => {
		2594	id => "examine",
		2595	title => "Examine",
		2596	reply => undef,
		2597	tooltip => "Signs and other items you examined",
		2598	},
		2599	);
		2600
		2601	sub cf::client::send_msg {
		2602	my ($self, $channel, $msg, $color, @extra) = @_;
		2603
		2604	$msg = $self->pl->expand_cfpod ($msg);
		2605
		2606	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2607
		2608	# check predefined channels, for the benefit of C
		2609	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2610
		2611	if (ref $channel) {
		2612	# send meta info to client, if not yet sent
		2613	unless (exists $self->{channel}{$channel->{id}}) {
		2614	$self->{channel}{$channel->{id}} = $channel;
		2615	$self->ext_msg (channel_info => $channel)
		2616	if $self->can_msg;
		2617	}
		2618
		2619	$channel = $channel->{id};
		2620	}
		2621
		2622	return unless @extra || length $msg;
		2623
		2624	if ($self->can_msg) {
		2625	# default colour, mask it out
		2626	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2627	if $color & cf::NDI_DEF;
		2628
		2629	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2630	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2631	} else {
		2632	if ($color >= 0) {
		2633	# replace some tags by gcfclient-compatible ones
		2634	for ($msg) {
		2635	1 while
		2636	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2637	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2638	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2639	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2640	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2641	}
		2642
		2643	$color &= cf::NDI_COLOR_MASK;
		2644
		2645	utf8::encode $msg;
		2646
		2647	if (0 && $msg =~ /\[/) {
		2648	# COMMAND/INFO
		2649	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2650	} else {
		2651	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2652	$self->send_packet ("drawinfo $color $msg")
		2653	}
		2654	}
		2655	}
		2656	}
		2657
		2658	=item $client->ext_msg ($type, @msg)
		2659
		2660	Sends an ext event to the client.
		2661
		2662	=cut
		2663
		2664	sub cf::client::ext_msg($$@) {
		2665	my ($self, $type, @msg) = @_;
		2666
		2667	if ($self->extcmd == 2) {
		2668	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2669	} elsif ($self->extcmd == 1) { # TODO: remove
		2670	push @msg, msgtype => "event_$type";
		2671	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2672	}
		2673	}
		2674
		2675	=item $client->ext_reply ($msgid, @msg)
		2676
		2677	Sends an ext reply to the client.
		2678
		2679	=cut
		2680
		2681	sub cf::client::ext_reply($$@) {
		2682	my ($self, $id, @msg) = @_;
		2683
		2684	if ($self->extcmd == 2) {
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2686	} elsif ($self->extcmd == 1) {
		2687	#TODO: version 1, remove
		2688	unshift @msg, msgtype => "reply", msgid => $id;
		2689	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2690	}
		2691	}
1684		2692
1685	=item $success = $client->query ($flags, "text", \&cb)	2693	=item $success = $client->query ($flags, "text", \&cb)
1686		2694
1687	Queues a query to the client, calling the given callback with	2695	Queues a query to the client, calling the given callback with
1688	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2696	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1689	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2697	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1690		2698
1691	Queries can fail, so check the return code. Or don't, as queries will become	2699	Queries can fail, so check the return code. Or don't, as queries will
1692	reliable at some point in the future.	2700	become reliable at some point in the future.
1693		2701
1694	=cut	2702	=cut
1695		2703
1696	sub cf::client::query {	2704	sub cf::client::query {
1697	my ($self, $flags, $text, $cb) = @_;	2705	my ($self, $flags, $text, $cb) = @_;
…		…
1705	utf8::encode $text;	2713	utf8::encode $text;
1706	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2714	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1707		2715
1708	$self->send_packet ($self->{query_queue}[0][0])	2716	$self->send_packet ($self->{query_queue}[0][0])
1709	if @{ $self->{query_queue} } == 1;	2717	if @{ $self->{query_queue} } == 1;
		2718
		2719	1
1710	}	2720	}
1711		2721
1712	cf::client->attach (	2722	cf::client->attach (
		2723	on_connect => sub {
		2724	my ($ns) = @_;
		2725
		2726	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2727	},
1713	on_reply => sub {	2728	on_reply => sub {
1714	my ($ns, $msg) = @_;	2729	my ($ns, $msg) = @_;
1715		2730
1716	# this weird shuffling is so that direct followup queries	2731	# this weird shuffling is so that direct followup queries
1717	# get handled first	2732	# get handled first
1718	my $queue = delete $ns->{query_queue}	2733	my $queue = delete $ns->{query_queue}
1719	or return; # be conservative, not sure how that can happen, but we saw a crash here	2734	or return; # be conservative, not sure how that can happen, but we saw a crash here
1720		2735
1721	(shift @$queue)->[1]->($msg);	2736	(shift @$queue)->[1]->($msg);
		2737	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1722		2738
1723	push @{ $ns->{query_queue} }, @$queue;	2739	push @{ $ns->{query_queue} }, @$queue;
1724		2740
1725	if (@{ $ns->{query_queue} } == @$queue) {	2741	if (@{ $ns->{query_queue} } == @$queue) {
1726	if (@$queue) {	2742	if (@$queue) {
…		…
1728	} else {	2744	} else {
1729	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2745	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1730	}	2746	}
1731	}	2747	}
1732	},	2748	},
		2749	on_exticmd => sub {
		2750	my ($ns, $buf) = @_;
		2751
		2752	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2753
		2754	if (ref $msg) {
		2755	my ($type, $reply, @payload) =
		2756	"ARRAY" eq ref $msg
		2757	? @$msg
		2758	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2759
		2760	my @reply;
		2761
		2762	if (my $cb = $EXTICMD{$type}) {
		2763	@reply = $cb->($ns, @payload);
		2764	}
		2765
		2766	$ns->ext_reply ($reply, @reply)
		2767	if $reply;
		2768
		2769	} else {
		2770	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2771	}
		2772
		2773	cf::override;
		2774	},
1733	);	2775	);
1734		2776
1735	=item $client->coro (\&cb)	2777	=item $client->async (\&cb)
1736		2778
1737	Create a new coroutine, running the specified callback. The coroutine will	2779	Create a new coroutine, running the specified callback. The coroutine will
1738	be automatically cancelled when the client gets destroyed (e.g. on logout,	2780	be automatically cancelled when the client gets destroyed (e.g. on logout,
1739	or loss of connection).	2781	or loss of connection).
1740		2782
1741	=cut	2783	=cut
1742		2784
1743	sub cf::client::coro {	2785	sub cf::client::async {
1744	my ($self, $cb) = @_;	2786	my ($self, $cb) = @_;
1745		2787
1746	my $coro = &cf::async ($cb);	2788	my $coro = &Coro::async ($cb);
1747		2789
1748	$coro->on_destroy (sub {	2790	$coro->on_destroy (sub {
1749	delete $self->{_coro}{$coro+0};	2791	delete $self->{_coro}{$coro+0};
1750	});	2792	});
1751		2793
…		…
1778	our $safe = new Safe "safe";	2820	our $safe = new Safe "safe";
1779	our $safe_hole = new Safe::Hole;	2821	our $safe_hole = new Safe::Hole;
1780		2822
1781	$SIG{FPE} = 'IGNORE';	2823	$SIG{FPE} = 'IGNORE';
1782		2824
1783	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2825	$safe->permit_only (Opcode::opset qw(
		2826	:base_core :base_mem :base_orig :base_math
		2827	grepstart grepwhile mapstart mapwhile
		2828	sort time
		2829	));
1784		2830
1785	# here we export the classes and methods available to script code	2831	# here we export the classes and methods available to script code
1786		2832
1787	=pod	2833	=pod
1788		2834
1789	The following fucntions and emthods are available within a safe environment:	2835	The following functions and methods are available within a safe environment:
1790		2836
1791	cf::object contr pay_amount pay_player map	2837	cf::object
		2838	contr pay_amount pay_player map x y force_find force_add
		2839	insert remove name archname title slaying race decrease_ob_nr
		2840
1792	cf::object::player player	2841	cf::object::player
1793	cf::player peaceful	2842	player
1794	cf::map trigger	2843
		2844	cf::player
		2845	peaceful
		2846
		2847	cf::map
		2848	trigger
1795		2849
1796	=cut	2850	=cut
1797		2851
1798	for (	2852	for (
1799	["cf::object" => qw(contr pay_amount pay_player map)],	2853	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2854	insert remove inv name archname title slaying race
		2855	decrease_ob_nr)],
1800	["cf::object::player" => qw(player)],	2856	["cf::object::player" => qw(player)],
1801	["cf::player" => qw(peaceful)],	2857	["cf::player" => qw(peaceful)],
1802	["cf::map" => qw(trigger)],	2858	["cf::map" => qw(trigger)],
1803	) {	2859	) {
1804	no strict 'refs';	2860	no strict 'refs';
…		…
1875	=back	2931	=back
1876		2932
1877	=cut	2933	=cut
1878		2934
1879	#############################################################################	2935	#############################################################################
		2936	# the server's init and main functions
1880		2937
1881	=head2 EXTENSION DATABASE SUPPORT	2938	sub load_facedata($) {
		2939	my ($path) = @_;
1882		2940
1883	Crossfire maintains a very simple database for extension use. It can	2941	# HACK to clear player env face cache, we need some signal framework
1884	currently store anything that can be serialised using Storable, which	2942	# for this (global event?)
1885	excludes objects.	2943	%ext::player_env::MUSIC_FACE_CACHE = ();
1886		2944
1887	The parameter C<$family> should best start with the name of the extension	2945	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1888	using it, it should be unique.
1889		2946
1890	=over 4	2947	warn "loading facedata from $path\n";
1891		2948
1892	=item $hashref = cf::db_get $family	2949	my $facedata;
		2950	0 < aio_load $path, $facedata
		2951	or die "$path: $!";
1893		2952
1894	Return a hashref for use by the extension C<$family>, which can be	2953	$facedata = Coro::Storable::thaw $facedata;
1895	modified. After modifications, you have to call C<cf::db_dirty> or
1896	C<cf::db_sync>.
1897		2954
1898	=item $value = cf::db_get $family => $key	2955	$facedata->{version} == 2
		2956	or cf::cleanup "$path: version mismatch, cannot proceed.";
1899		2957
1900	Returns a single value from the database	2958	# patch in the exptable
1901		2959	$facedata->{resource}{"res/exp_table"} = {
1902	=item cf::db_put $family => $hashref	2960	type => FT_RSRC,
1903		2961	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1904	Stores the given family hashref into the database. Updates are delayed, if
1905	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1906
1907	=item cf::db_put $family => $key => $value
1908
1909	Stores the given C<$value> in the family hash. Updates are delayed, if you
1910	want the data to be synced to disk immediately, use C<cf::db_sync>.
1911
1912	=item cf::db_dirty
1913
1914	Marks the database as dirty, to be updated at a later time.
1915
1916	=item cf::db_sync
1917
1918	Immediately write the database to disk I<if it is dirty>.
1919
1920	=cut
1921
1922	our $DB;
1923
1924	{
1925	my $path = cf::localdir . "/database.pst";
1926
1927	sub db_load() {
1928	$DB = stat $path ? Storable::retrieve $path : { };
1929	}
1930
1931	my $pid;
1932
1933	sub db_save() {
1934	waitpid $pid, 0 if $pid;
1935	if (0 == ($pid = fork)) {
1936	$DB->{_meta}{version} = 1;
1937	Storable::nstore $DB, "$path~";
1938	rename "$path~", $path;
1939	cf::_exit 0 if defined $pid;
1940	}
1941	}
1942
1943	my $dirty;
1944
1945	sub db_sync() {
1946	db_save if $dirty;
1947	undef $dirty;
1948	}
1949
1950	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1951	db_sync;
1952	});	2962	};
		2963	cf::cede_to_tick;
1953		2964
1954	sub db_dirty() {
1955	$dirty = 1;
1956	$idle->start;
1957	}	2965	{
		2966	my $faces = $facedata->{faceinfo};
1958		2967
1959	sub db_get($;$) {	2968	while (my ($face, $info) = each %$faces) {
1960	@_ >= 2	2969	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1961	? $DB->{$_[0]}{$_[1]}	2970	cf::face::set_visibility $idx, $info->{visibility};
1962	: ($DB->{$_[0]} ||= { })	2971	cf::face::set_magicmap $idx, $info->{magicmap};
1963	}	2972	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2973	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1964		2974
1965	sub db_put($$;$) {	2975	cf::cede_to_tick;
1966	if (@_ >= 3) {
1967	$DB->{$_[0]}{$_[1]} = $_[2];
1968	} else {
1969	$DB->{$_[0]} = $_[1];
1970	}
1971	db_dirty;
1972	}
1973
1974	cf::global->attach (
1975	prio => 10000,
1976	on_cleanup => sub {
1977	db_sync;
1978	},	2976	}
1979	);
1980	}
1981		2977
1982	#############################################################################	2978	while (my ($face, $info) = each %$faces) {
1983	# the server's main()	2979	next unless $info->{smooth};
		2980	my $idx = cf::face::find $face
		2981	or next;
		2982	if (my $smooth = cf::face::find $info->{smooth}) {
		2983	cf::face::set_smooth $idx, $smooth;
		2984	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2985	} else {
		2986	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2987	}
1984		2988
1985	sub cfg_load {	2989	cf::cede_to_tick;
		2990	}
		2991	}
		2992
		2993	{
		2994	my $anims = $facedata->{animinfo};
		2995
		2996	while (my ($anim, $info) = each %$anims) {
		2997	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2998	cf::cede_to_tick;
		2999	}
		3000
		3001	cf::anim::invalidate_all; # d'oh
		3002	}
		3003
		3004	{
		3005	# TODO: for gcfclient pleasure, we should give resources
		3006	# that gcfclient doesn't grok a >10000 face index.
		3007	my $res = $facedata->{resource};
		3008
		3009	my $soundconf = delete $res->{"res/sound.conf"};
		3010
		3011	while (my ($name, $info) = each %$res) {
		3012	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3013	my $data;
		3014
		3015	if ($info->{type} & 1) {
		3016	# prepend meta info
		3017
		3018	my $meta = $enc->encode ({
		3019	name => $name,
		3020	%{ $info->{meta} || {} },
		3021	});
		3022
		3023	$data = pack "(w/a*)*", $meta, $info->{data};
		3024	} else {
		3025	$data = $info->{data};
		3026	}
		3027
		3028	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3029	cf::face::set_type $idx, $info->{type};
		3030
		3031	cf::cede_to_tick;
		3032	}
		3033
		3034	if ($soundconf) {
		3035	$soundconf = $enc->decode (delete $soundconf->{data});
		3036
		3037	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3038	my $sound = $soundconf->{compat}[$_]
		3039	or next;
		3040
		3041	my $face = cf::face::find "sound/$sound->[1]";
		3042	cf::sound::set $sound->[0] => $face;
		3043	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3044	}
		3045
		3046	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3047	my $face = cf::face::find "sound/$v";
		3048	cf::sound::set $k => $face;
		3049	}
		3050	}
		3051	}
		3052
		3053	1
		3054	}
		3055
		3056	register_exticmd fx_want => sub {
		3057	my ($ns, $want) = @_;
		3058
		3059	while (my ($k, $v) = each %$want) {
		3060	$ns->fx_want ($k, $v);
		3061	}
		3062	};
		3063
		3064	sub reload_regions {
		3065	# HACK to clear player env face cache, we need some signal framework
		3066	# for this (global event?)
		3067	%ext::player_env::MUSIC_FACE_CACHE = ();
		3068
		3069	load_resource_file "$MAPDIR/regions"
		3070	or die "unable to load regions file\n";
		3071
		3072	for (cf::region::list) {
		3073	$_->{match} = qr/$_->{match}/
		3074	if exists $_->{match};
		3075	}
		3076	}
		3077
		3078	sub reload_facedata {
		3079	load_facedata "$DATADIR/facedata"
		3080	or die "unable to load facedata\n";
		3081	}
		3082
		3083	sub reload_archetypes {
		3084	load_resource_file "$DATADIR/archetypes"
		3085	or die "unable to load archetypes\n";
		3086	#d# NEED to laod twice to resolve forward references
		3087	# this really needs to be done in an extra post-pass
		3088	# (which needs to be synchronous, so solve it differently)
		3089	load_resource_file "$DATADIR/archetypes"
		3090	or die "unable to load archetypes\n";
		3091	}
		3092
		3093	sub reload_treasures {
		3094	load_resource_file "$DATADIR/treasures"
		3095	or die "unable to load treasurelists\n";
		3096	}
		3097
		3098	sub reload_resources {
		3099	warn "reloading resource files...\n";
		3100
		3101	reload_regions;
		3102	reload_facedata;
		3103	#reload_archetypes;#d#
		3104	reload_archetypes;
		3105	reload_treasures;
		3106
		3107	warn "finished reloading resource files\n";
		3108	}
		3109
		3110	sub init {
		3111	reload_resources;
		3112	}
		3113
		3114	sub reload_config {
1986	open my $fh, "<:utf8", cf::confdir . "/config"	3115	open my $fh, "<:utf8", "$CONFDIR/config"
1987	or return;	3116	or return;
1988		3117
1989	local $/;	3118	local $/;
1990	*CFG = YAML::Syck::Load <$fh>;	3119	*CFG = YAML::Syck::Load <$fh>;
		3120
		3121	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3122
		3123	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3124	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3125
		3126	if (exists $CFG{mlockall}) {
		3127	eval {
		3128	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3129	and die "WARNING: m(un)lockall failed: $!\n";
		3130	};
		3131	warn $@ if $@;
		3132	}
1991	}	3133	}
1992		3134
1993	sub main {	3135	sub main {
1994	# we must not ever block the main coroutine	3136	# we must not ever block the main coroutine
1995	local $Coro::idle = sub {	3137	local $Coro::idle = sub {
1996	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3138	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1997	(Coro::unblock_sub {	3139	(async {
1998	Event::one_event;	3140	Event::one_event;
1999	})->();	3141	})->prio (Coro::PRIO_MAX);
2000	};	3142	};
2001		3143
2002	cfg_load;	3144	reload_config;
2003	db_load;	3145	db_init;
2004	load_extensions;	3146	load_extensions;
		3147
		3148	$TICK_WATCHER->start;
2005	Event::loop;	3149	Event::loop;
2006	}	3150	}
2007		3151
2008	#############################################################################	3152	#############################################################################
2009	# initialisation	3153	# initialisation and cleanup
2010		3154
		3155	# install some emergency cleanup handlers
		3156	BEGIN {
		3157	for my $signal (qw(INT HUP TERM)) {
		3158	Event->signal (
		3159	reentrant => 0,
		3160	data => WF_AUTOCANCEL,
		3161	signal => $signal,
		3162	prio => 0,
		3163	cb => sub {
		3164	cf::cleanup "SIG$signal";
		3165	},
		3166	);
		3167	}
		3168	}
		3169
		3170	sub write_runtime {
		3171	my $runtime = "$LOCALDIR/runtime";
		3172
		3173	# first touch the runtime file to show we are still running:
		3174	# the fsync below can take a very very long time.
		3175
		3176	IO::AIO::aio_utime $runtime, undef, undef;
		3177
		3178	my $guard = cf::lock_acquire "write_runtime";
		3179
		3180	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3181	or return;
		3182
		3183	my $value = $cf::RUNTIME + 90 + 10;
		3184	# 10 is the runtime save interval, for a monotonic clock
		3185	# 60 allows for the watchdog to kill the server.
		3186
		3187	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3188	and return;
		3189
		3190	# always fsync - this file is important
		3191	aio_fsync $fh
		3192	and return;
		3193
		3194	# touch it again to show we are up-to-date
		3195	aio_utime $fh, undef, undef;
		3196
		3197	close $fh
		3198	or return;
		3199
		3200	aio_rename "$runtime~", $runtime
		3201	and return;
		3202
		3203	warn "runtime file written.\n";
		3204
		3205	1
		3206	}
		3207
		3208	sub emergency_save() {
		3209	my $freeze_guard = cf::freeze_mainloop;
		3210
		3211	warn "enter emergency perl save\n";
		3212
		3213	cf::sync_job {
		3214	# use a peculiar iteration method to avoid tripping on perl
		3215	# refcount bugs in for. also avoids problems with players
		3216	# and maps saved/destroyed asynchronously.
		3217	warn "begin emergency player save\n";
		3218	for my $login (keys %cf::PLAYER) {
		3219	my $pl = $cf::PLAYER{$login} or next;
		3220	$pl->valid or next;
		3221	$pl->save;
		3222	}
		3223	warn "end emergency player save\n";
		3224
		3225	warn "begin emergency map save\n";
		3226	for my $path (keys %cf::MAP) {
		3227	my $map = $cf::MAP{$path} or next;
		3228	$map->valid or next;
		3229	$map->save;
		3230	}
		3231	warn "end emergency map save\n";
		3232
		3233	warn "begin emergency database checkpoint\n";
		3234	BDB::db_env_txn_checkpoint $DB_ENV;
		3235	warn "end emergency database checkpoint\n";
		3236	};
		3237
		3238	warn "leave emergency perl save\n";
		3239	}
		3240
		3241	sub post_cleanup {
		3242	my ($make_core) = @_;
		3243
		3244	warn Carp::longmess "post_cleanup backtrace"
		3245	if $make_core;
		3246	}
		3247
2011	sub reload() {	3248	sub do_reload_perl() {
2012	# can/must only be called in main	3249	# can/must only be called in main
2013	if ($Coro::current != $Coro::main) {	3250	if ($Coro::current != $Coro::main) {
2014	warn "can only reload from main coroutine\n";	3251	warn "can only reload from main coroutine";
2015	return;	3252	return;
2016	}	3253	}
2017		3254
2018	warn "reloading...";	3255	warn "reloading...";
2019		3256
2020	local $FREEZE = 1;	3257	warn "entering sync_job";
		3258
		3259	cf::sync_job {
		3260	cf::write_runtime; # external watchdog should not bark
2021	cf::emergency_save;	3261	cf::emergency_save;
		3262	cf::write_runtime; # external watchdog should not bark
2022		3263
2023	eval {	3264	warn "syncing database to disk";
		3265	BDB::db_env_txn_checkpoint $DB_ENV;
		3266
2024	# if anything goes wrong in here, we should simply crash as we already saved	3267	# if anything goes wrong in here, we should simply crash as we already saved
2025		3268
2026	# cancel all watchers	3269	warn "cancelling all WF_AUTOCANCEL watchers";
2027	for (Event::all_watchers) {	3270	for (Event::all_watchers) {
2028	$_->cancel if $_->data & WF_AUTOCANCEL;	3271	$_->cancel if $_->data & WF_AUTOCANCEL;
2029	}	3272	}
2030		3273
		3274	warn "flushing outstanding aio requests";
		3275	for (;;) {
		3276	BDB::flush;
		3277	IO::AIO::flush;
		3278	Coro::cede;
		3279	last unless IO::AIO::nreqs || BDB::nreqs;
		3280	warn "iterate...";
		3281	}
		3282
		3283	++$RELOAD;
		3284
2031	# cancel all extension coros	3285	warn "cancelling all extension coros";
2032	$_->cancel for values %EXT_CORO;	3286	$_->cancel for values %EXT_CORO;
2033	%EXT_CORO = ();	3287	%EXT_CORO = ();
2034		3288
2035	# unload all extensions	3289	warn "removing commands";
2036	for (@exts) {	3290	%COMMAND = ();
		3291
		3292	warn "removing ext/exti commands";
		3293	%EXTCMD = ();
		3294	%EXTICMD = ();
		3295
		3296	warn "unloading/nuking all extensions";
		3297	for my $pkg (@EXTS) {
2037	warn "unloading <$_>";	3298	warn "... unloading $pkg";
2038	unload_extension $_;	3299
		3300	if (my $cb = $pkg->can ("unload")) {
		3301	eval {
		3302	$cb->($pkg);
		3303	1
		3304	} or warn "$pkg unloaded, but with errors: $@";
2039	}	3305	}
2040		3306
		3307	warn "... nuking $pkg";
		3308	Symbol::delete_package $pkg;
		3309	}
		3310
2041	# unload all modules loaded from $LIBDIR	3311	warn "unloading all perl modules loaded from $LIBDIR";
2042	while (my ($k, $v) = each %INC) {	3312	while (my ($k, $v) = each %INC) {
2043	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3313	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2044		3314
2045	warn "removing <$k>";	3315	warn "... unloading $k";
2046	delete $INC{$k};	3316	delete $INC{$k};
2047		3317
2048	$k =~ s/\.pm$//;	3318	$k =~ s/\.pm$//;
2049	$k =~ s/\//::/g;	3319	$k =~ s/\//::/g;
2050		3320
…		…
2053	}	3323	}
2054		3324
2055	Symbol::delete_package $k;	3325	Symbol::delete_package $k;
2056	}	3326	}
2057		3327
2058	# sync database to disk
2059	cf::db_sync;
2060	IO::AIO::flush;
2061
2062	# get rid of safe::, as good as possible	3328	warn "getting rid of safe::, as good as possible";
2063	Symbol::delete_package "safe::$_"	3329	Symbol::delete_package "safe::$_"
2064	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3330	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2065		3331
2066	# remove register_script_function callbacks
2067	# TODO
2068
2069	# unload cf.pm "a bit"	3332	warn "unloading cf.pm \"a bit\"";
2070	delete $INC{"cf.pm"};	3333	delete $INC{"cf.pm"};
		3334	delete $INC{"cf/pod.pm"};
2071		3335
2072	# don't, removes xs symbols, too,	3336	# don't, removes xs symbols, too,
2073	# and global variables created in xs	3337	# and global variables created in xs
2074	#Symbol::delete_package __PACKAGE__;	3338	#Symbol::delete_package __PACKAGE__;
2075		3339
2076	# reload cf.pm	3340	warn "unload completed, starting to reload now";
		3341
2077	warn "reloading cf.pm";	3342	warn "reloading cf.pm";
2078	require cf;	3343	require cf;
2079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3344	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2080		3345
2081	# load config and database again	3346	warn "loading config and database again";
2082	cf::cfg_load;	3347	cf::reload_config;
2083	cf::db_load;
2084		3348
2085	# load extensions
2086	warn "load extensions";	3349	warn "loading extensions";
2087	cf::load_extensions;	3350	cf::load_extensions;
2088		3351
2089	# reattach attachments to objects	3352	warn "reattaching attachments to objects/players";
2090	warn "reattach";	3353	_global_reattach; # objects, sockets
2091	_global_reattach;	3354	warn "reattaching attachments to maps";
2092	};	3355	reattach $_ for values %MAP;
		3356	warn "reattaching attachments to players";
		3357	reattach $_ for values %PLAYER;
2093		3358
2094	if ($@) {	3359	warn "leaving sync_job";
		3360
		3361	1
		3362	} or do {
2095	warn $@;	3363	warn $@;
2096	warn "error while reloading, exiting.";	3364	warn "error while reloading, exiting.";
2097	exit 1;	3365	exit 1;
2098	}	3366	};
2099		3367
2100	warn "reloaded successfully";	3368	warn "reloaded";
2101	};	3369	};
2102		3370
2103	#############################################################################	3371	our $RELOAD_WATCHER; # used only during reload
2104		3372
2105	unless ($LINK_MAP) {	3373	sub reload_perl() {
2106	$LINK_MAP = cf::map::new;	3374	# doing reload synchronously and two reloads happen back-to-back,
		3375	# coro crashes during coro_state_free->destroy here.
2107		3376
2108	$LINK_MAP->width (41);	3377	$RELOAD_WATCHER ||= Event->timer (
2109	$LINK_MAP->height (41);	3378	reentrant => 0,
2110	$LINK_MAP->alloc;
2111	$LINK_MAP->path ("{link}");
2112	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2113	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2114
2115	# dirty hack because... archetypes are not yet loaded
2116	Event->timer (
2117	after => 2,	3379	after => 0,
		3380	data => WF_AUTOCANCEL,
2118	cb => sub {	3381	cb => sub {
2119	$_[0]->w->cancel;	3382	do_reload_perl;
2120		3383	undef $RELOAD_WATCHER;
2121	# provide some exits "home"
2122	my $exit = cf::object::new "exit";
2123
2124	$exit->slaying ($EMERGENCY_POSITION->[0]);
2125	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2126	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2127
2128	$LINK_MAP->insert ($exit->clone, 19, 19);
2129	$LINK_MAP->insert ($exit->clone, 19, 20);
2130	$LINK_MAP->insert ($exit->clone, 19, 21);
2131	$LINK_MAP->insert ($exit->clone, 20, 19);
2132	$LINK_MAP->insert ($exit->clone, 20, 21);
2133	$LINK_MAP->insert ($exit->clone, 21, 19);
2134	$LINK_MAP->insert ($exit->clone, 21, 20);
2135	$LINK_MAP->insert ($exit->clone, 21, 21);
2136
2137	$exit->destroy;
2138	});	3384	},
2139		3385	);
2140	$LINK_MAP->{deny_save} = 1;
2141	$LINK_MAP->{deny_reset} = 1;
2142
2143	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2144	}	3386	}
2145
2146	register "<global>", __PACKAGE__;
2147		3387
2148	register_command "reload" => sub {	3388	register_command "reload" => sub {
2149	my ($who, $arg) = @_;	3389	my ($who, $arg) = @_;
2150		3390
2151	if ($who->flag (FLAG_WIZ)) {	3391	if ($who->flag (FLAG_WIZ)) {
2152	$who->message ("start of reload.");
2153	reload;
2154	$who->message ("end of reload.");	3392	$who->message ("reloading server.");
		3393	async { reload_perl };
2155	}	3394	}
2156	};	3395	};
2157		3396
2158	unshift @INC, $LIBDIR;	3397	unshift @INC, $LIBDIR;
2159		3398
		3399	my $bug_warning = 0;
		3400
		3401	our @WAIT_FOR_TICK;
		3402	our @WAIT_FOR_TICK_BEGIN;
		3403
		3404	sub wait_for_tick {
		3405	return unless $TICK_WATCHER->is_active;
		3406	return if $Coro::current == $Coro::main;
		3407
		3408	my $signal = new Coro::Signal;
		3409	push @WAIT_FOR_TICK, $signal;
		3410	$signal->wait;
		3411	}
		3412
		3413	sub wait_for_tick_begin {
		3414	return unless $TICK_WATCHER->is_active;
		3415	return if $Coro::current == $Coro::main;
		3416
		3417	my $signal = new Coro::Signal;
		3418	push @WAIT_FOR_TICK_BEGIN, $signal;
		3419	$signal->wait;
		3420	}
		3421
		3422	my $min = 1e6;#d#
		3423	my $avg = 10;
2160	$TICK_WATCHER = Event->timer (	3424	$TICK_WATCHER = Event->timer (
2161	reentrant => 0,	3425	reentrant => 0,
		3426	parked => 1,
2162	prio => 0,	3427	prio => 0,
2163	at => $NEXT_TICK || $TICK,	3428	at => $NEXT_TICK || $TICK,
2164	data => WF_AUTOCANCEL,	3429	data => WF_AUTOCANCEL,
2165	cb => sub {	3430	cb => sub {
2166	unless ($FREEZE) {	3431	if ($Coro::current != $Coro::main) {
		3432	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3433	unless ++$bug_warning > 10;
		3434	return;
		3435	}
		3436
		3437	$NOW = $tick_start = Event::time;
		3438
2167	cf::server_tick; # one server iteration	3439	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	3440
		3441	0 && sync_job {#d#
		3442	for(1..10) {
		3443	my $t = Event::time;
		3444	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3445	or die;
		3446
		3447	$map->width (50);
		3448	$map->height (50);
		3449	$map->alloc;
		3450	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3451	my $t = Event::time - $t;
		3452
		3453	#next unless $t < 0.0013;#d#
		3454	if ($t < $min) {
		3455	$min = $t;
		3456	}
		3457	$avg = $avg * 0.99 + $t * 0.01;
		3458	}
		3459	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3460	exit 0;
		3461	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2169	}	3462	};
2170		3463
		3464	$RUNTIME += $TICK;
2171	$NEXT_TICK += $TICK;	3465	$NEXT_TICK += $TICK;
2172		3466
		3467	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3468	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3469	Coro::async_pool {
		3470	write_runtime
		3471	or warn "ERROR: unable to write runtime file: $!";
		3472	};
		3473	}
		3474
		3475	# my $AFTER = Event::time;
		3476	# warn $AFTER - $NOW;#d#
		3477
		3478	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3479	$sig->send;
		3480	}
		3481	while (my $sig = shift @WAIT_FOR_TICK) {
		3482	$sig->send;
		3483	}
		3484
		3485	$NOW = Event::time;
		3486
2173	# if we are delayed by four ticks or more, skip them all	3487	# if we are delayed by four ticks or more, skip them all
2174	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3488	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2175		3489
2176	$TICK_WATCHER->at ($NEXT_TICK);	3490	$TICK_WATCHER->at ($NEXT_TICK);
2177	$TICK_WATCHER->start;	3491	$TICK_WATCHER->start;
		3492
		3493	$LOAD = ($NOW - $tick_start) / $TICK;
		3494	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3495
		3496	_post_tick;
		3497
		3498
2178	},	3499	},
2179	);	3500	);
2180		3501
		3502	{
2181	IO::AIO::max_poll_time $TICK * 0.2;	3503	BDB::max_poll_time $TICK * 0.1;
2182		3504	$BDB_POLL_WATCHER = Event->io (
2183	Event->io (	3505	reentrant => 0,
2184	fd => IO::AIO::poll_fileno,	3506	fd => BDB::poll_fileno,
2185	poll => 'r',	3507	poll => 'r',
2186	prio => 5,	3508	prio => 0,
2187	data => WF_AUTOCANCEL,
2188	cb => \&IO::AIO::poll_cb,
2189	);
2190
2191	Event->timer (
2192	data => WF_AUTOCANCEL,	3509	data => WF_AUTOCANCEL,
2193	after => 0,	3510	cb => \&BDB::poll_cb,
2194	interval => 10,	3511	);
2195	cb => sub {	3512	BDB::min_parallel 8;
2196	(Coro::unblock_sub {	3513
2197	write_runtime	3514	BDB::set_sync_prepare {
2198	or warn "ERROR: unable to write runtime file: $!";	3515	my $status;
		3516	my $current = $Coro::current;
		3517	(
		3518	sub {
		3519	$status = $!;
		3520	$current->ready; undef $current;
		3521	},
		3522	sub {
		3523	Coro::schedule while defined $current;
		3524	$! = $status;
		3525	},
		3526	)
		3527	};
		3528
		3529	unless ($DB_ENV) {
		3530	$DB_ENV = BDB::db_env_create;
		3531
		3532	cf::sync_job {
		3533	eval {
		3534	BDB::db_env_open
		3535	$DB_ENV,
		3536	$BDBDIR,
		3537	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3538	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3539	0666;
		3540
		3541	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3542
		3543	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3544	$DB_ENV->set_lk_detect;
		3545	};
		3546
		3547	cf::cleanup "db_env_open(db): $@" if $@;
2199	})->();	3548	};
2200	},	3549	}
2201	);	3550	}
		3551
		3552	{
		3553	IO::AIO::min_parallel 8;
		3554
		3555	undef $Coro::AIO::WATCHER;
		3556	IO::AIO::max_poll_time $TICK * 0.1;
		3557	$AIO_POLL_WATCHER = Event->io (
		3558	reentrant => 0,
		3559	data => WF_AUTOCANCEL,
		3560	fd => IO::AIO::poll_fileno,
		3561	poll => 'r',
		3562	prio => 6,
		3563	cb => \&IO::AIO::poll_cb,
		3564	);
		3565	}
		3566
		3567	my $_log_backtrace;
		3568
		3569	sub _log_backtrace {
		3570	my ($msg, @addr) = @_;
		3571
		3572	$msg =~ s/\n//;
		3573
		3574	# limit the # of concurrent backtraces
		3575	if ($_log_backtrace < 2) {
		3576	++$_log_backtrace;
		3577	async {
		3578	my @bt = fork_call {
		3579	@addr = map { sprintf "%x", $_ } @addr;
		3580	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3581	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3582	or die "addr2line: $!";
		3583
		3584	my @funcs;
		3585	my @res = <$fh>;
		3586	chomp for @res;
		3587	while (@res) {
		3588	my ($func, $line) = splice @res, 0, 2, ();
		3589	push @funcs, "[$func] $line";
		3590	}
		3591
		3592	@funcs
		3593	};
		3594
		3595	LOG llevInfo, "[ABT] $msg\n";
		3596	LOG llevInfo, "[ABT] $_\n" for @bt;
		3597	--$_log_backtrace;
		3598	};
		3599	} else {
		3600	LOG llevInfo, "[ABT] $msg\n";
		3601	LOG llevInfo, "[ABT] [suppressed]\n";
		3602	}
		3603	}
		3604
		3605	# load additional modules
		3606	use cf::pod;
2202		3607
2203	END { cf::emergency_save }	3608	END { cf::emergency_save }
2204		3609
2205	1	3610	1
2206		3611

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