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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.120 by root, Tue Jan 2 11:08:36 2007 UTC vs.
Revision 1.362 by root, Mon Sep 10 12:44:06 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
124	LOG llevError, "cfperl: $msg";	192	LOG llevError, $msg;
125	};	193	};
126	}	194	}
127		195
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		203
135	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	205	# within the Safe compartment.
137	for my $pkg (qw(	206	for my $pkg (qw(
138	cf::global cf::attachable	207	cf::global cf::attachable
…		…
147		216
148	$Event::DIED = sub {	217	$Event::DIED = sub {
149	warn "error in event callback: @_";	218	warn "error in event callback: @_";
150	};	219	};
151		220
152	my %ext_pkg;	221	#############################################################################
153	my @exts;
154	my @hook;
155		222
156	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
157		224
158	=over 4	225	=over 4
159		226
160	=cut	227	=item dumpval $ref
161		228
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	229	=cut
		230
		231	sub dumpval {
		232	eval {
		233	local $SIG{__DIE__};
		234	my $d;
		235	if (1) {
		236	$d = new Data::Dumper([$_[0]], ["*var"]);
		237	$d->Terse(1);
		238	$d->Indent(2);
		239	$d->Quotekeys(0);
		240	$d->Useqq(1);
		241	#$d->Bless(...);
		242	$d->Seen($_[1]) if @_ > 1;
		243	$d = $d->Dump();
		244	}
		245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		246	$d
		247	} || "[unable to dump $_[0]: '$@']";
		248	}
163		249
164	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
165		251
166	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
167		253
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
176		255
177	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
178		257
179	=cut	258	=cut
180		259
181	sub to_json($) {	260	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		261
186	=item my $guard = cf::guard { BLOCK }	262	sub to_json ($) { $json_coder->encode ($_[0]) }
187		263	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		264
208	=item cf::lock_wait $string	265	=item cf::lock_wait $string
209		266
210	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
211		268
212	=item my $lock = cf::lock_acquire $string	269	=item my $lock = cf::lock_acquire $string
213		270
214	Wait until the given lock is available and then acquires it and returns	271	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,	272	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	273	for example when the coroutine gets canceled), the lock is automatically
217	returned.	274	returned.
218		275
		276	Locks are *not* recursive, locking from the same coro twice results in a
		277	deadlocked coro.
		278
219	Lock names should begin with a unique identifier (for example, find_map	279	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	280	uses map_find and cf::map::load uses map_load).
		281
		282	=item $locked = cf::lock_active $string
		283
		284	Return true if the lock is currently active, i.e. somebody has locked it.
221		285
222	=cut	286	=cut
223		287
224	our %LOCK;	288	our %LOCK;
		289	our %LOCKER;#d#
225		290
226	sub lock_wait($) {	291	sub lock_wait($) {
227	my ($key) = @_;	292	my ($key) = @_;
		293
		294	if ($LOCKER{$key} == $Coro::current) {#d#
		295	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		296	return;#d#
		297	}#d#
228		298
229	# wait for lock, if any	299	# wait for lock, if any
230	while ($LOCK{$key}) {	300	while ($LOCK{$key}) {
231	push @{ $LOCK{$key} }, $Coro::current;	301	push @{ $LOCK{$key} }, $Coro::current;
232	Coro::schedule;	302	Coro::schedule;
…		…
238		308
239	# wait, to be sure we are not locked	309	# wait, to be sure we are not locked
240	lock_wait $key;	310	lock_wait $key;
241		311
242	$LOCK{$key} = [];	312	$LOCK{$key} = [];
		313	$LOCKER{$key} = $Coro::current;#d#
243		314
244	cf::guard {	315	Coro::guard {
		316	delete $LOCKER{$key};#d#
245	# wake up all waiters, to be on the safe side	317	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	318	$_->ready for @{ delete $LOCK{$key} };
247	}	319	}
248	}	320	}
249		321
		322	sub lock_active($) {
		323	my ($key) = @_;
		324
		325	! ! $LOCK{$key}
		326	}
		327
		328	sub freeze_mainloop {
		329	return unless $TICK_WATCHER->is_active;
		330
		331	my $guard = Coro::guard {
		332	$TICK_WATCHER->start;
		333	};
		334	$TICK_WATCHER->stop;
		335	$guard
		336	}
		337
		338	=item cf::get_slot $time[, $priority[, $name]]
		339
		340	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		341	This call blocks and returns only when you have at least C<$time> seconds
		342	of cpu time till the next tick. The slot is only valid till the next cede.
		343
		344	The optional C<$name> can be used to identify the job to run. It might be
		345	used for statistical purposes and should identify the same time-class.
		346
		347	Useful for short background jobs.
		348
		349	=cut
		350
		351	our @SLOT_QUEUE;
		352	our $SLOT_QUEUE;
		353
		354	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		355	$SLOT_QUEUE = Coro::async {
		356	my $signal = new Coro::Signal;
		357
		358	while () {
		359	next_job:
		360	my $avail = cf::till_tick;
		361	if ($avail > 0.01) {
		362	for (0 .. $#SLOT_QUEUE) {
		363	if ($SLOT_QUEUE[$_][0] < $avail) {
		364	my $job = splice @SLOT_QUEUE, $_, 1, ();
		365	$job->[2]->send;
		366	Coro::cede;
		367	goto next_job;
		368	}
		369	}
		370	}
		371
		372	if (@SLOT_QUEUE) {
		373	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		374	push @cf::WAIT_FOR_TICK, $signal;
		375	$signal->wait;
		376	} else {
		377	Coro::schedule;
		378	}
		379	}
		380	};
		381
		382	sub get_slot($;$$) {
		383	my ($time, $pri, $name) = @_;
		384
		385	$time = $TICK * .6 if $time > $TICK * .6;
		386	my $sig = new Coro::Signal;
		387
		388	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		389	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		390	$SLOT_QUEUE->ready;
		391	$sig->wait;
		392	}
		393
		394	=item cf::async { BLOCK }
		395
		396	Currently the same as Coro::async_pool, meaning you cannot use
		397	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		398	thing you are allowed to do is call C<prio> on it.
		399
		400	=cut
		401
		402	BEGIN { *async = \&Coro::async_pool }
		403
250	=item cf::sync_job { BLOCK }	404	=item cf::sync_job { BLOCK }
251		405
252	The design of crossfire+ requires that the main coro ($Coro::main) is	406	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
253	always able to handle events or runnable, as crossfire+ is only partly	407	is always able to handle events or runnable, as Crossfire TRT is only
254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	408	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		409	acceptable.
255		410
256	If it must be done, put the blocking parts into C<sync_job>. This will run	411	If it must be done, put the blocking parts into C<sync_job>. This will run
257	the given BLOCK in another coroutine while waiting for the result. The	412	the given BLOCK in another coroutine while waiting for the result. The
258	server will be frozen during this time, so the block should either finish	413	server will be frozen during this time, so the block should either finish
259	fast or be very important.	414	fast or be very important.
…		…
262		417
263	sub sync_job(&) {	418	sub sync_job(&) {
264	my ($job) = @_;	419	my ($job) = @_;
265		420
266	if ($Coro::current == $Coro::main) {	421	if ($Coro::current == $Coro::main) {
		422	my $time = Event::time;
		423
267	# this is the main coro, too bad, we have to block	424	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	425	# till the operation succeeds, freezing the server :/
269		426
270	# TODO: use suspend/resume instead	427	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	428	# (but this is cancel-safe)
272	local $FREEZE = 1;	429	my $freeze_guard = freeze_mainloop;
273		430
274	my $busy = 1;	431	my $busy = 1;
275	my @res;	432	my @res;
276		433
277	(Coro::async {	434	(async {
278	@res = eval { $job->() };	435	@res = eval { $job->() };
279	warn $@ if $@;	436	warn $@ if $@;
280	undef $busy;	437	undef $busy;
281	})->prio (Coro::PRIO_MAX);	438	})->prio (Coro::PRIO_MAX);
282		439
283	while ($busy) {	440	while ($busy) {
284	Coro::cede_notself;	441	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	442	}
		443
		444	$time = Event::time - $time;
		445
		446	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		447	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		448
		449	$tick_start += $time; # do not account sync jobs to server load
287		450
288	wantarray ? @res : $res[0]	451	wantarray ? @res : $res[0]
289	} else {	452	} else {
290	# we are in another coroutine, how wonderful, everything just works	453	# we are in another coroutine, how wonderful, everything just works
291		454
292	$job->()	455	$job->()
293	}	456	}
294	}	457	}
295		458
296	=item $coro = cf::coro { BLOCK }	459	=item $coro = cf::async_ext { BLOCK }
297		460
298	Creates and returns a new coro. This coro is automcatially being canceled	461	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	462	extension calling this is being unloaded.
300		463
301	=cut	464	=cut
302		465
303	sub coro(&) {	466	sub async_ext(&) {
304	my $cb = shift;	467	my $cb = shift;
305		468
306	my $coro; $coro = async {	469	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		470
313	$coro->on_destroy (sub {	471	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	472	delete $EXT_CORO{$coro+0};
315	});	473	});
316	$EXT_CORO{$coro+0} = $coro;	474	$EXT_CORO{$coro+0} = $coro;
317		475
318	$coro	476	$coro
319	}	477	}
320		478
321	sub write_runtime {	479	=item fork_call { }, $args
322	my $runtime = cf::localdir . "/runtime";
323		480
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	481	Executes the given code block with the given arguments in a seperate
325	or return;	482	process, returning the results. Everything must be serialisable with
		483	Coro::Storable. May, of course, block. Note that the executed sub may
		484	never block itself or use any form of Event handling.
326		485
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	486	=cut
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;
330		487
331	aio_fsync $fh	488	sub fork_call(&@) {
332	and return;	489	my ($cb, @args) = @_;
333		490
334	close $fh	491	# we seemingly have to make a local copy of the whole thing,
335	or return;	492	# otherwise perl prematurely frees the stuff :/
		493	# TODO: investigate and fix (likely this will be rather laborious)
336		494
337	aio_rename "$runtime~", $runtime	495	my @res = Coro::Util::fork_eval {
338	and return;	496	reset_signals;
		497	&$cb
		498	}, @args;
339		499
		500	wantarray ? @res : $res[-1]
		501	}
		502
		503	=item $value = cf::db_get $family => $key
		504
		505	Returns a single value from the environment database.
		506
		507	=item cf::db_put $family => $key => $value
		508
		509	Stores the given C<$value> in the family. It can currently store binary
		510	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		511
		512	=cut
		513
		514	our $DB;
		515
		516	sub db_init {
		517	unless ($DB) {
		518	$DB = BDB::db_create $DB_ENV;
		519
		520	cf::sync_job {
		521	eval {
		522	$DB->set_flags (BDB::CHKSUM);
		523
		524	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		525	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		526	cf::cleanup "db_open(db): $!" if $!;
		527	};
		528	cf::cleanup "db_open(db): $@" if $@;
		529	};
340	1	530	}
		531	}
		532
		533	sub db_get($$) {
		534	my $key = "$_[0]/$_[1]";
		535
		536	cf::sync_job {
		537	BDB::db_get $DB, undef, $key, my $data;
		538
		539	$! ? ()
		540	: $data
		541	}
		542	}
		543
		544	sub db_put($$$) {
		545	BDB::dbreq_pri 4;
		546	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		547	}
		548
		549	=item cf::cache $id => [$paths...], $processversion => $process
		550
		551	Generic caching function that returns the value of the resource $id,
		552	caching and regenerating as required.
		553
		554	This function can block.
		555
		556	=cut
		557
		558	sub cache {
		559	my ($id, $src, $processversion, $process) = @_;
		560
		561	my $meta =
		562	join "\x00",
		563	$processversion,
		564	map {
		565	aio_stat $_
		566	and Carp::croak "$_: $!";
		567
		568	($_, (stat _)[7,9])
		569	} @$src;
		570
		571	my $dbmeta = db_get cache => "$id/meta";
		572	if ($dbmeta ne $meta) {
		573	# changed, we may need to process
		574
		575	my @data;
		576	my $md5;
		577
		578	for (0 .. $#$src) {
		579	0 <= aio_load $src->[$_], $data[$_]
		580	or Carp::croak "$src->[$_]: $!";
		581	}
		582
		583	# if processing is expensive, check
		584	# checksum first
		585	if (1) {
		586	$md5 =
		587	join "\x00",
		588	$processversion,
		589	map {
		590	cf::cede_to_tick;
		591	($src->[$_], Digest::MD5::md5_hex $data[$_])
		592	} 0.. $#$src;
		593
		594
		595	my $dbmd5 = db_get cache => "$id/md5";
		596	if ($dbmd5 eq $md5) {
		597	db_put cache => "$id/meta", $meta;
		598
		599	return db_get cache => "$id/data";
		600	}
		601	}
		602
		603	my $t1 = Time::HiRes::time;
		604	my $data = $process->(\@data);
		605	my $t2 = Time::HiRes::time;
		606
		607	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		608
		609	db_put cache => "$id/data", $data;
		610	db_put cache => "$id/md5" , $md5;
		611	db_put cache => "$id/meta", $meta;
		612
		613	return $data;
		614	}
		615
		616	db_get cache => "$id/data"
		617	}
		618
		619	=item cf::datalog type => key => value, ...
		620
		621	Log a datalog packet of the given type with the given key-value pairs.
		622
		623	=cut
		624
		625	sub datalog($@) {
		626	my ($type, %kv) = @_;
		627	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
341	}	628	}
342		629
343	=back	630	=back
344		631
345	=cut	632	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		633
467	#############################################################################	634	#############################################################################
468		635
469	=head2 ATTACHABLE OBJECTS	636	=head2 ATTACHABLE OBJECTS
470		637
…		…
472	attach callbacks/event handlers (a collection of which is called an "attachment")	639	attach callbacks/event handlers (a collection of which is called an "attachment")
473	to it. All such attachable objects support the following methods.	640	to it. All such attachable objects support the following methods.
474		641
475	In the following description, CLASS can be any of C<global>, C<object>	642	In the following description, CLASS can be any of C<global>, C<object>
476	C<player>, C<client> or C<map> (i.e. the attachable objects in	643	C<player>, C<client> or C<map> (i.e. the attachable objects in
477	crossfire+).	644	Crossfire TRT).
478		645
479	=over 4	646	=over 4
480		647
481	=item $attachable->attach ($attachment, key => $value...)	648	=item $attachable->attach ($attachment, key => $value...)
482		649
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	763	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	764	our @CB_MAP = ();
598		765
599	my %attachment;	766	my %attachment;
600		767
		768	sub cf::attachable::thawer_merge {
		769	# simply override everything except _meta
		770	local $_[0]{_meta};
		771	%{$_[0]} = %{$_[1]};
		772	}
		773
601	sub _attach_cb($$$$) {	774	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	775	my ($registry, $event, $prio, $cb) = @_;
603		776
604	use sort 'stable';	777	use sort 'stable';
605		778
…		…
639	$registry = $CB_TYPE[$object_type] ||= [];	812	$registry = $CB_TYPE[$object_type] ||= [];
640		813
641	} elsif ($type eq "subtype") {	814	} elsif ($type eq "subtype") {
642	defined $object_type or Carp::croak "subtype specified without type";	815	defined $object_type or Carp::croak "subtype specified without type";
643	my $object_subtype = shift @arg;	816	my $object_subtype = shift @arg;
644	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	817	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
645		818
646	} elsif ($type eq "package") {	819	} elsif ($type eq "package") {
647	my $pkg = shift @arg;	820	my $pkg = shift @arg;
648		821
649	while (my ($name, $id) = each %cb_id) {	822	while (my ($name, $id) = each %cb_id) {
…		…
678	_attach $registry, $klass, @attach;	851	_attach $registry, $klass, @attach;
679	}	852	}
680		853
681	$obj->{$name} = \%arg;	854	$obj->{$name} = \%arg;
682	} else {	855	} else {
683	warn "object uses attachment '$name' that is not available, postponing.\n";	856	warn "object uses attachment '$name' which is not available, postponing.\n";
684	}	857	}
685		858
686	$obj->{_attachment}{$name} = undef;	859	$obj->{_attachment}{$name} = undef;
687	}	860	}
688		861
…		…
690	if (ref $_[0]) {	863	if (ref $_[0]) {
691	_object_attach @_;	864	_object_attach @_;
692	} else {	865	} else {
693	_attach shift->_attach_registry, @_;	866	_attach shift->_attach_registry, @_;
694	}	867	}
		868	_recalc_want;
695	};	869	};
696		870
697	# all those should be optimised	871	# all those should be optimised
698	sub cf::attachable::detach {	872	sub cf::attachable::detach {
699	my ($obj, $name) = @_;	873	my ($obj, $name) = @_;
…		…
702	delete $obj->{_attachment}{$name};	876	delete $obj->{_attachment}{$name};
703	reattach ($obj);	877	reattach ($obj);
704	} else {	878	} else {
705	Carp::croak "cannot, currently, detach class attachments";	879	Carp::croak "cannot, currently, detach class attachments";
706	}	880	}
		881	_recalc_want;
707	};	882	};
708		883
709	sub cf::attachable::attached {	884	sub cf::attachable::attached {
710	my ($obj, $name) = @_;	885	my ($obj, $name) = @_;
711		886
…		…
726	";	901	";
727	die if $@;	902	die if $@;
728	}	903	}
729		904
730	our $override;	905	our $override;
731	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	906	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
732		907
733	sub override {	908	sub override {
734	$override = 1;	909	$override = 1;
735	@invoke_results = ();	910	@INVOKE_RESULTS = (@_);
736	}	911	}
737		912
738	sub do_invoke {	913	sub do_invoke {
739	my $event = shift;	914	my $event = shift;
740	my $callbacks = shift;	915	my $callbacks = shift;
741		916
742	@invoke_results = ();	917	@INVOKE_RESULTS = ();
743		918
744	local $override;	919	local $override;
745		920
746	for (@$callbacks) {	921	for (@$callbacks) {
747	eval { &{$_->[1]} };	922	eval { &{$_->[1]} };
…		…
764		939
765	Generate an object-specific event with the given arguments.	940	Generate an object-specific event with the given arguments.
766		941
767	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	942	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
768	removed in future versions), and there is no public API to access override	943	removed in future versions), and there is no public API to access override
769	results (if you must, access C<@cf::invoke_results> directly).	944	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
770		945
771	=back	946	=back
772		947
773	=cut	948	=cut
774		949
775	#############################################################################	950	#############################################################################
776	# object support	951	# object support
		952	#
		953
		954	sub _can_merge {
		955	my ($ob1, $ob2) = @_;
		956
		957	local $Storable::canonical = 1;
		958	my $fob1 = Storable::freeze $ob1;
		959	my $fob2 = Storable::freeze $ob2;
		960
		961	$fob1 eq $fob2
		962	}
777		963
778	sub reattach {	964	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	965	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	966	my ($obj) = @_;
		967
		968	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		969
782	my $registry = $obj->registry;	970	my $registry = $obj->registry;
783		971
784	@$registry = ();	972	@$registry = ();
785		973
…		…
824	);	1012	);
825		1013
826	sub object_freezer_save {	1014	sub object_freezer_save {
827	my ($filename, $rdata, $objs) = @_;	1015	my ($filename, $rdata, $objs) = @_;
828		1016
		1017	my $guard = cf::lock_acquire "io";
		1018
829	sync_job {	1019	sync_job {
830	if (length $$rdata) {	1020	if (length $$rdata) {
		1021	utf8::decode (my $decname = $filename);
831	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
832	$filename, length $$rdata, scalar @$objs;	1023	$decname, length $$rdata, scalar @$objs;
833		1024
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1029	close $fh;
839		1030
840	if (@$objs) {	1031	if (@$objs) {
841	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) {
842	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	1037	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
848	}	1039	}
849	} else {	1040	} else {
850	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
856	}	1047	}
857	} else {	1048	} else {
858	aio_unlink $filename;	1049	aio_unlink $filename;
859	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
860	}	1051	}
861	}	1052	};
		1053
		1054	undef $guard;
862	}	1055	}
863		1056
864	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
865	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
866		1059
…		…
871		1064
872	sub object_thawer_load {	1065	sub object_thawer_load {
873	my ($filename) = @_;	1066	my ($filename) = @_;
874		1067
875	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
876		1071
877	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
878	or return;	1073	or return;
879		1074
880	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
881	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
882	or return;	1077	or return;
		1078
		1079	undef $guard;
883	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
884	}	1081	}
885		1082
		1083	utf8::decode (my $decname = $filename);
886	warn sprintf "loading %s (%d)\n",	1084	warn sprintf "loading %s (%d,%d)\n",
887	$filename, length $data, scalar @{$av || []};#d#	1085	$decname, length $data, scalar @{$av || []};
		1086
888	return ($data, $av);	1087	($data, $av)
889	}	1088	}
		1089
		1090	=head2 COMMAND CALLBACKS
		1091
		1092	=over 4
		1093
		1094	=cut
890		1095
891	#############################################################################	1096	#############################################################################
892	# command handling &c	1097	# command handling &c
893		1098
894	=item cf::register_command $name => \&callback($ob,$args);	1099	=item cf::register_command $name => \&callback($ob,$args);
…		…
907	push @{ $COMMAND{$name} }, [$caller, $cb];	1112	push @{ $COMMAND{$name} }, [$caller, $cb];
908	}	1113	}
909		1114
910	=item cf::register_extcmd $name => \&callback($pl,$packet);	1115	=item cf::register_extcmd $name => \&callback($pl,$packet);
911		1116
912	Register a callbackf ro execution when the client sends an extcmd packet.	1117	Register a callback for execution when the client sends an (synchronous)
		1118	extcmd packet. Ext commands will be processed in the order they are
		1119	received by the server, like other user commands. The first argument is
		1120	the logged-in player. Ext commands can only be processed after a player
		1121	has logged in successfully.
913		1122
914	If the callback returns something, it is sent back as if reply was being	1123	If the callback returns something, it is sent back as if reply was being
915	called.	1124	called.
916		1125
		1126	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1127
		1128	Register a callback for execution when the client sends an (asynchronous)
		1129	exticmd packet. Exti commands are processed by the server as soon as they
		1130	are received, i.e. out of order w.r.t. other commands. The first argument
		1131	is a client socket. Exti commands can be received anytime, even before
		1132	log-in.
		1133
		1134	If the callback returns something, it is sent back as if reply was being
		1135	called.
		1136
917	=cut	1137	=cut
918		1138
919	sub register_extcmd {	1139	sub register_extcmd {
920	my ($name, $cb) = @_;	1140	my ($name, $cb) = @_;
921		1141
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	1142	$EXTCMD{$name} = $cb;
		1143	}
		1144
		1145	sub register_exticmd {
		1146	my ($name, $cb) = @_;
		1147
		1148	$EXTICMD{$name} = $cb;
926	}	1149	}
927		1150
928	cf::player->attach (	1151	cf::player->attach (
929	on_command => sub {	1152	on_command => sub {
930	my ($pl, $name, $params) = @_;	1153	my ($pl, $name, $params) = @_;
…		…
939	cf::override;	1162	cf::override;
940	},	1163	},
941	on_extcmd => sub {	1164	on_extcmd => sub {
942	my ($pl, $buf) = @_;	1165	my ($pl, $buf) = @_;
943		1166
944	my $msg = eval { from_json $buf };	1167	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
945		1168
946	if (ref $msg) {	1169	if (ref $msg) {
		1170	my ($type, $reply, @payload) =
		1171	"ARRAY" eq ref $msg
		1172	? @$msg
		1173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1174
		1175	my @reply;
		1176
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1177	if (my $cb = $EXTCMD{$type}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	1178	@reply = $cb->($pl, @payload);
949	$pl->ext_reply ($msg->{msgid}, %reply);
950	}
951	}	1179	}
		1180
		1181	$pl->ext_reply ($reply, @reply)
		1182	if $reply;
		1183
952	} else {	1184	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1185	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
954	}	1186	}
955		1187
956	cf::override;	1188	cf::override;
957	},	1189	},
958	);	1190	);
959		1191
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	1192	sub load_extensions {
		1193	cf::sync_job {
		1194	my %todo;
		1195
		1196	for my $path (<$LIBDIR/*.ext>) {
		1197	next unless -r $path;
		1198
		1199	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1200	my $base = $1;
		1201	my $pkg = $1;
		1202	$pkg =~ s/[^[:word:]]/_/g;
		1203	$pkg = "ext::$pkg";
		1204
		1205	open my $fh, "<:utf8", $path
		1206	or die "$path: $!";
		1207
		1208	my $source = do { local $/; <$fh> };
		1209
		1210	my %ext = (
		1211	path => $path,
		1212	base => $base,
		1213	pkg => $pkg,
		1214	);
		1215
		1216	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1217	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1218
		1219	$ext{source} =
		1220	"package $pkg; use strict; use utf8;\n"
		1221	. "#line 1 \"$path\"\n{\n"
		1222	. $source
		1223	. "\n};\n1";
		1224
		1225	$todo{$base} = \%ext;
		1226	}
		1227
		1228	my %done;
		1229	while (%todo) {
		1230	my $progress;
		1231
		1232	while (my ($k, $v) = each %todo) {
		1233	for (split /,\s*/, $v->{meta}{depends}) {
		1234	goto skip
		1235	unless exists $done{$_};
		1236	}
		1237
		1238	warn "... loading '$k' into '$v->{pkg}'\n";
		1239
		1240	unless (eval $v->{source}) {
		1241	my $msg = $@ ? "$v->{path}: $@\n"
		1242	: "$v->{base}: extension inactive.\n";
		1243
		1244	if (exists $v->{meta}{mandatory}) {
		1245	warn $msg;
		1246	warn "mandatory extension failed to load, exiting.\n";
		1247	exit 1;
		1248	}
		1249
		1250	warn $msg;
		1251	}
		1252
		1253	$done{$k} = delete $todo{$k};
		1254	push @EXTS, $v->{pkg};
		1255	$progress = 1;
		1256	}
		1257
		1258	skip:
		1259	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1260	unless $progress;
		1261	}
		1262	};
		1263	}
		1264
		1265	#############################################################################
		1266
		1267	=back
		1268
		1269	=head2 CORE EXTENSIONS
		1270
		1271	Functions and methods that extend core crossfire objects.
		1272
		1273	=cut
		1274
		1275	package cf::player;
		1276
		1277	use Coro::AIO;
		1278
		1279	=head3 cf::player
		1280
		1281	=over 4
		1282
		1283	=item cf::player::num_playing
		1284
		1285	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1286
		1287	=cut
		1288
		1289	sub num_playing {
		1290	scalar grep
		1291	$_->ob->map
		1292	&& !$_->hidden
		1293	&& !$_->ob->flag (cf::FLAG_WIZ),
		1294	cf::player::list
		1295	}
		1296
		1297	=item cf::player::find $login
		1298
		1299	Returns the given player object, loading it if necessary (might block).
		1300
		1301	=cut
		1302
		1303	sub playerdir($) {
		1304	"$PLAYERDIR/"
		1305	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1306	}
		1307
		1308	sub path($) {
		1309	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1310
		1311	(playerdir $login) . "/playerdata"
		1312	}
		1313
		1314	sub find_active($) {
		1315	$cf::PLAYER{$_[0]}
		1316	and $cf::PLAYER{$_[0]}->active
		1317	and $cf::PLAYER{$_[0]}
		1318	}
		1319
		1320	sub exists($) {
		1321	my ($login) = @_;
		1322
		1323	$cf::PLAYER{$login}
		1324	or cf::sync_job { !aio_stat path $login }
		1325	}
		1326
		1327	sub find($) {
		1328	return $cf::PLAYER{$_[0]} || do {
		1329	my $login = $_[0];
		1330
		1331	my $guard = cf::lock_acquire "user_find:$login";
		1332
		1333	$cf::PLAYER{$_[0]} || do {
		1334	# rename old playerfiles to new ones
		1335	#TODO: remove when no longer required
		1336	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1337	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1338	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1339	aio_unlink +(playerdir $login) . "/$login.pl";
		1340
		1341	my $f = new_from_file cf::object::thawer path $login
		1342	or return;
		1343
		1344	$f->next;
		1345	my $pl = cf::player::load_pl $f
		1346	or return;
		1347	local $cf::PLAYER_LOADING{$login} = $pl;
		1348	$f->resolve_delayed_derefs;
		1349	$cf::PLAYER{$login} = $pl
		1350	}
		1351	}
		1352	}
		1353
		1354	sub save($) {
		1355	my ($pl) = @_;
		1356
		1357	return if $pl->{deny_save};
		1358
		1359	my $path = path $pl;
		1360	my $guard = cf::lock_acquire "user_save:$path";
		1361
		1362	return if $pl->{deny_save};
		1363
		1364	aio_mkdir playerdir $pl, 0770;
		1365	$pl->{last_save} = $cf::RUNTIME;
		1366
		1367	$pl->save_pl ($path);
		1368	cf::cede_to_tick;
		1369	}
		1370
		1371	sub new($) {
		1372	my ($login) = @_;
		1373
		1374	my $self = create;
		1375
		1376	$self->ob->name ($login);
		1377	$self->{deny_save} = 1;
		1378
		1379	$cf::PLAYER{$login} = $self;
		1380
		1381	$self
		1382	}
		1383
		1384	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1385
		1386	=cut
		1387
		1388	sub send_msg {
		1389	my $ns = shift->ns
		1390	or return;
		1391	$ns->send_msg (@_);
		1392	}
		1393
		1394	=item $pl->quit_character
		1395
		1396	Nukes the player without looking back. If logged in, the connection will
		1397	be destroyed. May block for a long time.
		1398
		1399	=cut
		1400
		1401	sub quit_character {
		1402	my ($pl) = @_;
		1403
		1404	my $name = $pl->ob->name;
		1405
		1406	$pl->{deny_save} = 1;
		1407	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1408
		1409	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1410	$pl->deactivate;
		1411	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1412	$pl->ns->destroy if $pl->ns;
		1413
		1414	my $path = playerdir $pl;
		1415	my $temp = "$path~$cf::RUNTIME~deleting~";
		1416	aio_rename $path, $temp;
		1417	delete $cf::PLAYER{$pl->ob->name};
		1418	$pl->destroy;
		1419
		1420	my $prefix = qr<^~\Q$name\E/>;
		1421
		1422	# nuke player maps
		1423	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1424
		1425	IO::AIO::aio_rmtree $temp;
		1426	}
		1427
		1428	=item $pl->kick
		1429
		1430	Kicks a player out of the game. This destroys the connection.
		1431
		1432	=cut
		1433
		1434	sub kick {
		1435	my ($pl, $kicker) = @_;
		1436
		1437	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1438	$pl->killer ("kicked");
		1439	$pl->ns->destroy;
		1440	}
		1441
		1442	=item cf::player::list_logins
		1443
		1444	Returns am arrayref of all valid playernames in the system, can take a
		1445	while and may block, so not sync_job-capable, ever.
		1446
		1447	=cut
		1448
		1449	sub list_logins {
		1450	my $dirs = aio_readdir $PLAYERDIR
		1451	or return [];
		1452
		1453	my @logins;
		1454
		1455	for my $login (@$dirs) {
		1456	my $path = path $login;
		1457
		1458	# a .pst is a dead give-away for a valid player
		1459	unless (-e "$path.pst") {
		1460	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1461	aio_read $fh, 0, 512, my $buf, 0 or next;
		1462	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1463	}
		1464
		1465	utf8::decode $login;
		1466	push @logins, $login;
		1467	}
		1468
		1469	\@logins
		1470	}
		1471
		1472	=item $player->maps
		1473
		1474	Returns an arrayref of map paths that are private for this
		1475	player. May block.
		1476
		1477	=cut
		1478
		1479	sub maps($) {
		1480	my ($pl) = @_;
		1481
		1482	$pl = ref $pl ? $pl->ob->name : $pl;
		1483
		1484	my $files = aio_readdir playerdir $pl
		1485	or return;
		1486
		1487	my @paths;
		1488
		1489	for (@$files) {
		1490	utf8::decode $_;
		1491	next if /\.(?:pl|pst)$/;
		1492	next unless /^$PATH_SEP/o;
		1493
		1494	push @paths, cf::map::normalise "~$pl/$_";
		1495	}
		1496
		1497	\@paths
		1498	}
		1499
		1500	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1501
		1502	Expand crossfire pod fragments into protocol xml.
		1503
		1504	=cut
		1505
		1506	sub expand_cfpod {
		1507	((my $self), (local $_)) = @_;
		1508
		1509	# escape & and <
		1510	s/&/&amp;/g;
		1511	s/(?<![BIUGHT])</&lt;/g;
		1512
		1513	# this is buggy, it needs to properly take care of nested <'s
		1514
		1515	1 while
		1516	# replace B<>, I<>, U<> etc.
		1517	s/B<([^\>]*)>/<b>$1<\/b>/
		1518	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1519	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1520	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1521	# replace G<male|female> tags
		1522	|| s{G<([^>|]*)\|([^>]*)>}{
		1523	$self->gender ? $2 : $1
		1524	}ge
		1525	# replace H<hint text>
		1526	|| s{H<([^\>]*)>}
		1527	{
		1528	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1529	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1530	"")
		1531	[$self->{hintmode}]
		1532	}ge;
		1533
		1534	# create single paragraphs (very hackish)
		1535	s/(?<=\S)\n(?=\w)/ /g;
		1536
		1537	# compress some whitespace
		1538	s/\s+\n/\n/g; # ws line-ends
		1539	s/\n\n+/\n/g; # double lines
		1540	s/^\n+//; # beginning lines
		1541	s/\n+$//; # ending lines
		1542
		1543	$_
		1544	}
		1545
		1546	sub hintmode {
		1547	$_[0]{hintmode} = $_[1] if @_ > 1;
		1548	$_[0]{hintmode}
		1549	}
		1550
		1551	=item $player->ext_reply ($msgid, @msg)
		1552
		1553	Sends an ext reply to the player.
		1554
		1555	=cut
		1556
		1557	sub ext_reply($$@) {
		1558	my ($self, $id, @msg) = @_;
		1559
		1560	$self->ns->ext_reply ($id, @msg)
		1561	}
		1562
		1563	=item $player->ext_msg ($type, @msg)
		1564
		1565	Sends an ext event to the client.
		1566
		1567	=cut
		1568
		1569	sub ext_msg($$@) {
		1570	my ($self, $type, @msg) = @_;
		1571
		1572	$self->ns->ext_msg ($type, @msg);
		1573	}
		1574
		1575	=head3 cf::region
		1576
		1577	=over 4
		1578
		1579	=cut
		1580
		1581	package cf::region;
		1582
		1583	=item cf::region::find_by_path $path
		1584
		1585	Tries to decuce the likely region for a map knowing only its path.
		1586
		1587	=cut
		1588
		1589	sub find_by_path($) {
967	my ($path) = @_;	1590	my ($path) = @_;
968		1591
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1592	my ($match, $specificity);
970	my $base = $1;
971	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";
974		1593
975	warn "loading '$path' into '$pkg'\n";	1594	for my $region (list) {
976		1595	if ($region->{match} && $path =~ $region->{match}) {
977	open my $fh, "<:utf8", $path	1596	($match, $specificity) = ($region, $region->specificity)
978	or die "$path: $!";	1597	if $region->specificity > $specificity;
979		1598	}
980	my $source =
981	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })
984	. "\n};\n1";
985
986	eval $source
987	or die $@ ? "$path: $@\n"
988	: "extension disabled.\n";
989
990	push @exts, $pkg;
991	$ext_pkg{$base} = $pkg;
992
993	# no strict 'refs';
994	# @{"$pkg\::ISA"} = ext::;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	1599	}
1009		1600
1010	# remove commands	1601	$match
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}
1035
1036	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;
1039	eval {
1040	load_extension $ext;
1041	1
1042	} or warn "$ext not loaded: $@";
1043	}
1044	}
1045
1046	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083
1084	=head2 CORE EXTENSIONS
1085
1086	Functions and methods that extend core crossfire objects.
1087
1088	=head3 cf::player
1089
1090	=over 4
1091
1092	=item cf::player::exists $login
1093
1094	Returns true when the given account exists.
1095
1096	=cut
1097
1098	sub cf::player::exists($) {
1099	cf::player::find $_[0]
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1101	}
1102
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104
1105	Sends an ext reply to the player.
1106
1107	=cut
1108
1109	sub cf::player::ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;
1111
1112	$msg{msgid} = $id;
1113
1114	$self->send ("ext " . to_json \%msg);
1115	}	1602	}
1116		1603
1117	=back	1604	=back
1118
1119		1605
1120	=head3 cf::map	1606	=head3 cf::map
1121		1607
1122	=over 4	1608	=over 4
1123		1609
…		…
1126	package cf::map;	1612	package cf::map;
1127		1613
1128	use Fcntl;	1614	use Fcntl;
1129	use Coro::AIO;	1615	use Coro::AIO;
1130		1616
		1617	use overload
		1618	'""' => \&as_string,
		1619	fallback => 1;
		1620
1131	our $MAX_RESET = 7200;	1621	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1622	our $DEFAULT_RESET = 3000;
1133		1623
1134	sub generate_random_map {	1624	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1625	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1626	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1627	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1628	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1629	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1630	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1631	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1632	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1633	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1634	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1635	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1636	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1637	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1638	(cf::region::find $rmp->{region}), $rmp->{custom}
		1639	)
		1640	}
		1641
		1642	=item cf::map->register ($regex, $prio)
		1643
		1644	Register a handler for the map path matching the given regex at the
		1645	givne priority (higher is better, built-in handlers have priority 0, the
		1646	default).
		1647
		1648	=cut
		1649
		1650	sub register {
		1651	my (undef, $regex, $prio) = @_;
		1652	my $pkg = caller;
		1653
		1654	no strict;
		1655	push @{"$pkg\::ISA"}, __PACKAGE__;
		1656
		1657	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1658	}
		1659
		1660	# also paths starting with '/'
		1661	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1662
		1663	sub thawer_merge {
		1664	my ($self, $merge) = @_;
		1665
		1666	# we have to keep some variables in memory intact
		1667	local $self->{path};
		1668	local $self->{load_path};
		1669
		1670	$self->SUPER::thawer_merge ($merge);
		1671	}
		1672
		1673	sub normalise {
		1674	my ($path, $base) = @_;
		1675
		1676	$path = "$path"; # make sure its a string
		1677
		1678	$path =~ s/\.map$//;
		1679
		1680	# map plan:
		1681	#
		1682	# /! non-realised random map exit (special hack!)
		1683	# {... are special paths that are not being touched
		1684	# ?xxx/... are special absolute paths
		1685	# ?random/... random maps
		1686	# /... normal maps
		1687	# ~user/... per-player map of a specific user
		1688
		1689	$path =~ s/$PATH_SEP/\//go;
		1690
		1691	# treat it as relative path if it starts with
		1692	# something that looks reasonable
		1693	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1694	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1695
		1696	$base =~ s{[^/]+/?$}{};
		1697	$path = "$base/$path";
		1698	}
		1699
		1700	for ($path) {
		1701	redo if s{//}{/};
		1702	redo if s{/\.?/}{/};
		1703	redo if s{/[^/]+/\.\./}{/};
		1704	}
		1705
		1706	$path
		1707	}
		1708
		1709	sub new_from_path {
		1710	my (undef, $path, $base) = @_;
		1711
		1712	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1713
		1714	$path = normalise $path, $base;
		1715
		1716	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1717	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1718	my $self = bless cf::map::new, $pkg;
		1719	$self->{path} = $path; $self->path ($path);
		1720	$self->init; # pass $1 etc.
		1721	return $self;
		1722	}
		1723	}
		1724
		1725	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1726	()
		1727	}
		1728
		1729	sub init {
		1730	my ($self) = @_;
		1731
		1732	$self
		1733	}
		1734
		1735	sub as_string {
		1736	my ($self) = @_;
		1737
		1738	"$self->{path}"
		1739	}
		1740
		1741	# the displayed name, this is a one way mapping
		1742	sub visible_name {
		1743	&as_string
		1744	}
		1745
		1746	# the original (read-only) location
		1747	sub load_path {
		1748	my ($self) = @_;
		1749
		1750	"$MAPDIR/$self->{path}.map"
		1751	}
		1752
		1753	# the temporary/swap location
		1754	sub save_path {
		1755	my ($self) = @_;
		1756
		1757	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1758	"$TMPDIR/$path.map"
		1759	}
		1760
		1761	# the unique path, undef == no special unique path
		1762	sub uniq_path {
		1763	my ($self) = @_;
		1764
		1765	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1766	"$UNIQUEDIR/$path"
1151	}	1767	}
1152		1768
1153	# and all this just because we cannot iterate over	1769	# and all this just because we cannot iterate over
1154	# all maps in C++...	1770	# all maps in C++...
1155	sub change_all_map_light {	1771	sub change_all_map_light {
1156	my ($change) = @_;	1772	my ($change) = @_;
1157		1773
1158	$_->change_map_light ($change) for values %cf::MAP;	1774	$_->change_map_light ($change)
		1775	for grep $_->outdoor, values %cf::MAP;
1159	}	1776	}
1160		1777
		1778	sub decay_objects {
		1779	my ($self) = @_;
		1780
		1781	return if $self->{deny_reset};
		1782
		1783	$self->do_decay_objects;
		1784	}
		1785
		1786	sub unlink_save {
		1787	my ($self) = @_;
		1788
		1789	utf8::encode (my $save = $self->save_path);
		1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1791	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1792	}
		1793
1161	sub try_load_header($) {	1794	sub load_header_from($) {
1162	my ($path) = @_;	1795	my ($self, $path) = @_;
1163		1796
1164	utf8::encode $path;	1797	utf8::encode $path;
1165	aio_open $path, O_RDONLY, 0	1798	my $f = new_from_file cf::object::thawer $path
1166	or return;	1799	or return;
1167		1800
1168	my $map = cf::map::new	1801	$self->_load_header ($f)
1169	or return;	1802	or return;
1170		1803
1171	$map->load_header ($path)	1804	local $MAP_LOADING{$self->{path}} = $self;
		1805	$f->resolve_delayed_derefs;
		1806
		1807	$self->{load_path} = $path;
		1808
		1809	1
		1810	}
		1811
		1812	sub load_header_orig {
		1813	my ($self) = @_;
		1814
		1815	$self->load_header_from ($self->load_path)
		1816	}
		1817
		1818	sub load_header_temp {
		1819	my ($self) = @_;
		1820
		1821	$self->load_header_from ($self->save_path)
		1822	}
		1823
		1824	sub prepare_temp {
		1825	my ($self) = @_;
		1826
		1827	$self->last_access ((delete $self->{last_access})
		1828	|| $cf::RUNTIME); #d#
		1829	# safety
		1830	$self->{instantiate_time} = $cf::RUNTIME
		1831	if $self->{instantiate_time} > $cf::RUNTIME;
		1832	}
		1833
		1834	sub prepare_orig {
		1835	my ($self) = @_;
		1836
		1837	$self->{load_original} = 1;
		1838	$self->{instantiate_time} = $cf::RUNTIME;
		1839	$self->last_access ($cf::RUNTIME);
		1840	$self->instantiate;
		1841	}
		1842
		1843	sub load_header {
		1844	my ($self) = @_;
		1845
		1846	if ($self->load_header_temp) {
		1847	$self->prepare_temp;
		1848	} else {
		1849	$self->load_header_orig
1172	or return;	1850	or return;
		1851	$self->prepare_orig;
		1852	}
1173		1853
1174	$map->{load_path} = $path;	1854	$self->{deny_reset} = 1
		1855	if $self->no_reset;
1175		1856
1176	$map	1857	$self->default_region (cf::region::find_by_path $self->{path})
1177	}	1858	unless $self->default_region;
1178		1859
		1860	1
		1861	}
		1862
		1863	sub find;
1179	sub find_map {	1864	sub find {
1180	my ($path, $origin) = @_;	1865	my ($path, $origin) = @_;
1181		1866
1182	#warn "find_map<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1867	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1868
		1869	cf::lock_wait "map_data:$path";#d#remove
1187	cf::lock_wait "map_find:$key";	1870	cf::lock_wait "map_find:$path";
1188		1871
1189	$cf::MAP{$key} || do {	1872	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1873	my $guard1 = cf::lock_acquire "map_find:$path";
		1874	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1191		1875
1192	# do it the slow way	1876	my $map = new_from_path cf::map $path
1193	my $map = try_load_header $path->save_path;
1194
1195	if ($map) {
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1877	or return;
1207		1878
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->instantiate;
1211
1212	# per-player maps become, after loading, normal maps
1213	$map->per_player (0) if $path->{user_rel};
1214	}
1215	#Coro::Timer::sleep 1;#d#
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1879	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		1880
1222	if ($map->should_reset) {	1881	$map->load_header
		1882	or return;
		1883
		1884	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1885	# doing this can freeze the server in a sync job, obviously
		1886	#$cf::WAIT_FOR_TICK->wait;
		1887	undef $guard1;
		1888	undef $guard2;
1223	$map->reset;	1889	$map->reset;
1224	$map = find_map $path;	1890	return find $path;
1225	}	1891	}
1226		1892
1227	$cf::MAP{$key} = $map	1893	$cf::MAP{$path} = $map
1228	}	1894	}
1229	}	1895	}
		1896
		1897	sub pre_load { }
		1898	sub post_load { }
1230		1899
1231	sub load {	1900	sub load {
1232	my ($self) = @_;	1901	my ($self) = @_;
1233		1902
		1903	local $self->{deny_reset} = 1; # loading can take a long time
		1904
1234	my $path = $self->{path};	1905	my $path = $self->{path};
		1906
		1907	{
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1908	my $guard = cf::lock_acquire "map_data:$path";
1236		1909
		1910	return unless $self->valid;
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1911	return unless $self->in_memory == cf::MAP_SWAPPED;
1238		1912
1239	$self->in_memory (cf::MAP_LOADING);	1913	$self->in_memory (cf::MAP_LOADING);
1240		1914
1241	$self->alloc;	1915	$self->alloc;
1242	$self->load_objects ($self->{load_path}, 1)	1916
		1917	$self->pre_load;
		1918	cf::cede_to_tick;
		1919
		1920	my $f = new_from_file cf::object::thawer $self->{load_path};
		1921	$f->skip_block;
		1922	$self->_load_objects ($f)
1243	or return;	1923	or return;
1244		1924
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1925	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1926	if delete $self->{load_original};
1247		1927
1248	if (my $uniq = $path->uniq_path) {	1928	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1929	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1930	unless (aio_stat $uniq) {
		1931	if (my $f = new_from_file cf::object::thawer $uniq) {
1251	$self->clear_unique_items;	1932	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1933	$self->_load_objects ($f);
		1934	$f->resolve_delayed_derefs;
		1935	}
1253	}	1936	}
1254	}	1937	}
1255		1938
		1939	$f->resolve_delayed_derefs;
		1940
		1941	cf::cede_to_tick;
1256	# now do the right thing for maps	1942	# now do the right thing for maps
1257	$self->link_multipart_objects;	1943	$self->link_multipart_objects;
1258
1259	if ($self->{path}->is_style_map) {
1260	$self->{deny_save} = 1;
1261	$self->{deny_reset} = 1;
1262	} else {
1263	$self->fix_auto_apply;
1264	$self->decay_objects;
1265	$self->update_buttons;
1266	$self->set_darkness_map;
1267	$self->difficulty ($self->estimate_difficulty)	1944	$self->difficulty ($self->estimate_difficulty)
1268	unless $self->difficulty;	1945	unless $self->difficulty;
		1946	cf::cede_to_tick;
		1947
		1948	unless ($self->{deny_activate}) {
		1949	$self->decay_objects;
		1950	$self->fix_auto_apply;
		1951	$self->update_buttons;
		1952	cf::cede_to_tick;
		1953	$self->set_darkness_map;
		1954	cf::cede_to_tick;
1269	$self->activate;	1955	$self->activate;
1270	}	1956	}
1271		1957
		1958	$self->{last_save} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
		1960
1272	$self->in_memory (cf::MAP_IN_MEMORY);	1961	$self->in_memory (cf::MAP_IN_MEMORY);
1273	}	1962	}
1274		1963
1275	sub load_map_sync {	1964	$self->post_load;
		1965	}
		1966
		1967	sub customise_for {
		1968	my ($self, $ob) = @_;
		1969
		1970	return find "~" . $ob->name . "/" . $self->{path}
		1971	if $self->per_player;
		1972
		1973	# return find "?party/" . $ob->name . "/" . $self->{path}
		1974	# if $self->per_party;
		1975
		1976	$self
		1977	}
		1978
		1979	# find and load all maps in the 3x3 area around a map
		1980	sub load_neighbours {
		1981	my ($map) = @_;
		1982
		1983	my @neigh; # diagonal neighbours
		1984
		1985	for (0 .. 3) {
		1986	my $neigh = $map->tile_path ($_)
		1987	or next;
		1988	$neigh = find $neigh, $map
		1989	or next;
		1990	$neigh->load;
		1991
		1992	push @neigh,
		1993	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1994	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1995	}
		1996
		1997	for (grep defined $_->[0], @neigh) {
		1998	my ($path, $origin) = @$_;
		1999	my $neigh = find $path, $origin
		2000	or next;
		2001	$neigh->load;
		2002	}
		2003	}
		2004
		2005	sub find_sync {
1276	my ($path, $origin) = @_;	2006	my ($path, $origin) = @_;
1277		2007
1278	#warn "load_map_sync<$path, $origin>\n";#d#	2008	cf::sync_job { find $path, $origin }
		2009	}
1279		2010
1280	cf::sync_job {	2011	sub do_load_sync {
1281	my $map = cf::map::find_map $path, $origin	2012	my ($map) = @_;
1282	or return;	2013
1283	$map->load;	2014	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1284	$map	2015	if $Coro::current == $Coro::main;
		2016
		2017	cf::sync_job { $map->load };
		2018	}
		2019
		2020	our %MAP_PREFETCH;
		2021	our $MAP_PREFETCHER = undef;
		2022
		2023	sub find_async {
		2024	my ($path, $origin, $load) = @_;
		2025
		2026	$path = normalise $path, $origin && $origin->{path};
		2027
		2028	if (my $map = $cf::MAP{$path}) {
		2029	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2030	}
		2031
		2032	$MAP_PREFETCH{$path} |= $load;
		2033
		2034	$MAP_PREFETCHER ||= cf::async {
		2035	while (%MAP_PREFETCH) {
		2036	while (my ($k, $v) = each %MAP_PREFETCH) {
		2037	if (my $map = find $k) {
		2038	$map->load if $v;
		2039	}
		2040
		2041	delete $MAP_PREFETCH{$k};
		2042	}
		2043	}
		2044	undef $MAP_PREFETCHER;
1285	}	2045	};
		2046	$MAP_PREFETCHER->prio (6);
		2047
		2048	()
1286	}	2049	}
1287		2050
1288	sub save {	2051	sub save {
1289	my ($self) = @_;	2052	my ($self) = @_;
1290		2053
		2054	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2055
1291	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
1292		2057
1293	return unless $self->dirty;	2058	return unless $self->dirty;
1294		2059
1295	my $save = $self->{path}->save_path; utf8::encode $save;	2060	my $save = $self->save_path; utf8::encode $save;
1296	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2061	my $uniq = $self->uniq_path; utf8::encode $uniq;
1297		2062
1298	$self->{load_path} = $save;	2063	$self->{load_path} = $save;
1299		2064
1300	return if $self->{deny_save};	2065	return if $self->{deny_save};
1301		2066
		2067	local $self->{last_access} = $self->last_access;#d#
		2068
		2069	cf::async {
		2070	$_->contr->save for $self->players;
		2071	};
		2072
1302	if ($uniq) {	2073	if ($uniq) {
1303	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2074	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1304	$self->save_objects ($uniq, cf::IO_UNIQUES);	2075	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1305	} else {	2076	} else {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2077	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1307	}	2078	}
1308	}	2079	}
1309		2080
1310	sub swap_out {	2081	sub swap_out {
1311	my ($self) = @_;	2082	my ($self) = @_;
		2083
		2084	# save first because save cedes
		2085	$self->save;
		2086
		2087	my $lock = cf::lock_acquire "map_data:$self->{path}";
1312		2088
1313	return if $self->players;	2089	return if $self->players;
1314	return if $self->in_memory != cf::MAP_IN_MEMORY;	2090	return if $self->in_memory != cf::MAP_IN_MEMORY;
1315	return if $self->{deny_save};	2091	return if $self->{deny_save};
1316		2092
		2093	$self->in_memory (cf::MAP_SWAPPED);
		2094
1317	$self->save;	2095	$self->deactivate;
		2096	$_->clear_links_to ($self) for values %cf::MAP;
1318	$self->clear;	2097	$self->clear;
1319	$self->in_memory (cf::MAP_SWAPPED);
1320	}	2098	}
1321		2099
1322	sub reset_at {	2100	sub reset_at {
1323	my ($self) = @_;	2101	my ($self) = @_;
1324		2102
1325	# TODO: safety, remove and allow resettable per-player maps	2103	# TODO: safety, remove and allow resettable per-player maps
1326	return 1e99 if $self->{path}{user_rel};
1327	return 1e99 if $self->{deny_reset};	2104	return 1e99 if $self->{deny_reset};
1328		2105
1329	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2106	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1330	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2107	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1331		2108
…		…
1336	my ($self) = @_;	2113	my ($self) = @_;
1337		2114
1338	$self->reset_at <= $cf::RUNTIME	2115	$self->reset_at <= $cf::RUNTIME
1339	}	2116	}
1340		2117
1341	sub unlink_save {
1342	my ($self) = @_;
1343
1344	utf8::encode (my $save = $self->{path}->save_path);
1345	aioreq_pri 3; IO::AIO::aio_unlink $save;
1346	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1347	}
1348
1349	sub rename {
1350	my ($self, $new_path) = @_;
1351
1352	$self->unlink_save;
1353
1354	delete $cf::MAP{$self->path};
1355	$self->{path} = new cf::path $new_path;
1356	$self->path ($self->{path}->as_string);
1357	$cf::MAP{$self->path} = $self;
1358
1359	$self->save;
1360	}
1361
1362	sub reset {	2118	sub reset {
1363	my ($self) = @_;	2119	my ($self) = @_;
1364		2120
		2121	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2122
1365	return if $self->players;	2123	return if $self->players;
1366	return if $self->{path}{user_rel};#d#
1367		2124
1368	warn "resetting map ", $self->path;#d#	2125	warn "resetting map ", $self->path;
		2126
		2127	$self->in_memory (cf::MAP_SWAPPED);
		2128
		2129	# need to save uniques path
		2130	unless ($self->{deny_save}) {
		2131	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2132
		2133	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2134	if $uniq;
		2135	}
1369		2136
1370	delete $cf::MAP{$self->path};	2137	delete $cf::MAP{$self->path};
1371		2138
		2139	$self->deactivate;
1372	$_->clear_links_to ($self) for values %cf::MAP;	2140	$_->clear_links_to ($self) for values %cf::MAP;
		2141	$self->clear;
1373		2142
1374	$self->unlink_save;	2143	$self->unlink_save;
1375	$self->destroy;	2144	$self->destroy;
1376	}	2145	}
1377		2146
1378	my $nuke_counter = "aaaa";	2147	my $nuke_counter = "aaaa";
1379		2148
1380	sub nuke {	2149	sub nuke {
1381	my ($self) = @_;	2150	my ($self) = @_;
1382		2151
		2152	{
		2153	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2154
		2155	delete $cf::MAP{$self->path};
		2156
		2157	$self->unlink_save;
		2158
		2159	bless $self, "cf::map";
		2160	delete $self->{deny_reset};
1383	$self->{deny_save} = 1;	2161	$self->{deny_save} = 1;
1384	$self->reset_timeout (1);	2162	$self->reset_timeout (1);
1385	$self->rename ("{nuke}/" . ($nuke_counter++));	2163	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2164
		2165	$cf::MAP{$self->path} = $self;
		2166	}
		2167
1386	$self->reset; # polite request, might not happen	2168	$self->reset; # polite request, might not happen
1387	}	2169	}
1388		2170
1389	sub customise_for {	2171	=item $maps = cf::map::tmp_maps
1390	my ($map, $ob) = @_;
1391		2172
1392	if ($map->per_player) {	2173	Returns an arrayref with all map paths of currently instantiated and saved
1393	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2174	maps. May block.
		2175
		2176	=cut
		2177
		2178	sub tmp_maps() {
1394	}	2179	[
1395		2180	map {
1396	$map	2181	utf8::decode $_;
		2182	/\.map$/
		2183	? normalise $_
		2184	: ()
		2185	} @{ aio_readdir $TMPDIR or [] }
		2186	]
1397	}	2187	}
1398		2188
1399	sub emergency_save {	2189	=item $maps = cf::map::random_maps
1400	local $cf::FREEZE = 1;
1401		2190
1402	warn "enter emergency map save\n";	2191	Returns an arrayref with all map paths of currently instantiated and saved
		2192	random maps. May block.
1403		2193
1404	cf::sync_job {	2194	=cut
1405	warn "begin emergency map save\n";
1406	$_->save for values %cf::MAP;
1407	};
1408		2195
1409	warn "end emergency map save\n";	2196	sub random_maps() {
		2197	[
		2198	map {
		2199	utf8::decode $_;
		2200	/\.map$/
		2201	? normalise "?random/$_"
		2202	: ()
		2203	} @{ aio_readdir $RANDOMDIR or [] }
		2204	]
		2205	}
		2206
		2207	=item cf::map::unique_maps
		2208
		2209	Returns an arrayref of paths of all shared maps that have
		2210	instantiated unique items. May block.
		2211
		2212	=cut
		2213
		2214	sub unique_maps() {
		2215	[
		2216	map {
		2217	utf8::decode $_;
		2218	/\.map$/
		2219	? normalise $_
		2220	: ()
		2221	} @{ aio_readdir $UNIQUEDIR or [] }
		2222	]
1410	}	2223	}
1411		2224
1412	package cf;	2225	package cf;
1413		2226
1414	=back	2227	=back
1415		2228
		2229	=head3 cf::object
		2230
		2231	=cut
		2232
		2233	package cf::object;
		2234
		2235	=over 4
		2236
		2237	=item $ob->inv_recursive
		2238
		2239	Returns the inventory of the object _and_ their inventories, recursively.
		2240
		2241	=cut
		2242
		2243	sub inv_recursive_;
		2244	sub inv_recursive_ {
		2245	map { $_, inv_recursive_ $_->inv } @_
		2246	}
		2247
		2248	sub inv_recursive {
		2249	inv_recursive_ inv $_[0]
		2250	}
		2251
		2252	=item $ref = $ob->ref
		2253
		2254	creates and returns a persistent reference to an objetc that can be stored as a string.
		2255
		2256	=item $ob = cf::object::deref ($refstring)
		2257
		2258	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2259	even if the object actually exists. May block.
		2260
		2261	=cut
		2262
		2263	sub deref {
		2264	my ($ref) = @_;
		2265
		2266	# temporary compatibility#TODO#remove
		2267	$ref =~ s{^<}{player/<};
		2268
		2269	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2270	my ($uuid, $name) = ($1, $2);
		2271	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2272	or return;
		2273	$pl->ob->uuid eq $uuid
		2274	or return;
		2275
		2276	$pl->ob
		2277	} else {
		2278	warn "$ref: cannot resolve object reference\n";
		2279	undef
		2280	}
		2281	}
		2282
		2283	package cf;
		2284
		2285	=back
1416		2286
1417	=head3 cf::object::player	2287	=head3 cf::object::player
1418		2288
1419	=over 4	2289	=over 4
1420		2290
…		…
1434		2304
1435	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2305	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1436		2306
1437	if ($self->{record_replies}) {	2307	if ($self->{record_replies}) {
1438	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2308	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2309
1439	} else {	2310	} else {
		2311	my $pl = $self->contr;
		2312
		2313	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2314	my $dialog = $pl->{npc_dialog};
		2315	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2316
		2317	} else {
1440	$msg = $npc->name . " says: $msg" if $npc;	2318	$msg = $npc->name . " says: $msg" if $npc;
1441	$self->message ($msg, $flags);	2319	$self->message ($msg, $flags);
		2320	}
1442	}	2321	}
		2322	}
		2323
		2324	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2325
		2326	=cut
		2327
		2328	sub cf::object::send_msg {
		2329	my $pl = shift->contr
		2330	or return;
		2331	$pl->send_msg (@_);
1443	}	2332	}
1444		2333
1445	=item $player_object->may ("access")	2334	=item $player_object->may ("access")
1446		2335
1447	Returns wether the given player is authorized to access resource "access"	2336	Returns wether the given player is authorized to access resource "access"
…		…
1460		2349
1461	=item $player_object->enter_link	2350	=item $player_object->enter_link
1462		2351
1463	Freezes the player and moves him/her to a special map (C<{link}>).	2352	Freezes the player and moves him/her to a special map (C<{link}>).
1464		2353
1465	The player should be reaosnably safe there for short amounts of time. You	2354	The player should be reasonably safe there for short amounts of time. You
1466	I<MUST> call C<leave_link> as soon as possible, though.	2355	I<MUST> call C<leave_link> as soon as possible, though.
1467		2356
		2357	Will never block.
		2358
1468	=item $player_object->leave_link ($map, $x, $y)	2359	=item $player_object->leave_link ($map, $x, $y)
1469		2360
1470	Moves the player out of the specila link map onto the given map. If the	2361	Moves the player out of the special C<{link}> map onto the specified
1471	map is not valid (or omitted), the player will be moved back to the	2362	map. If the map is not valid (or omitted), the player will be moved back
1472	location he/she was before the call to C<enter_link>, or, if that fails,	2363	to the location he/she was before the call to C<enter_link>, or, if that
1473	to the emergency map position.	2364	fails, to the emergency map position.
1474		2365
1475	Might block.	2366	Might block.
1476		2367
1477	=cut	2368	=cut
		2369
		2370	sub link_map {
		2371	unless ($LINK_MAP) {
		2372	$LINK_MAP = cf::map::find "{link}"
		2373	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2374	$LINK_MAP->load;
		2375	}
		2376
		2377	$LINK_MAP
		2378	}
1478		2379
1479	sub cf::object::player::enter_link {	2380	sub cf::object::player::enter_link {
1480	my ($self) = @_;	2381	my ($self) = @_;
1481		2382
1482	$self->deactivate_recursive;	2383	$self->deactivate_recursive;
1483		2384
1484	return if $self->map == $LINK_MAP;	2385	return if UNIVERSAL::isa $self->map, "ext::map_link";
1485		2386
1486	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2387	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1487	if $self->map;	2388	if $self->map && $self->map->{path} ne "{link}";
1488		2389
1489	$self->enter_map ($LINK_MAP, 20, 20);	2390	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1490	}	2391	}
1491		2392
1492	sub cf::object::player::leave_link {	2393	sub cf::object::player::leave_link {
1493	my ($self, $map, $x, $y) = @_;	2394	my ($self, $map, $x, $y) = @_;
		2395
		2396	return unless $self->contr->active;
1494		2397
1495	my $link_pos = delete $self->{_link_pos};	2398	my $link_pos = delete $self->{_link_pos};
1496		2399
1497	unless ($map) {	2400	unless ($map) {
1498	# restore original map position	2401	# restore original map position
1499	($map, $x, $y) = @{ $link_pos || [] };	2402	($map, $x, $y) = @{ $link_pos || [] };
1500	$map = cf::map::find_map $map;	2403	$map = cf::map::find $map;
1501		2404
1502	unless ($map) {	2405	unless ($map) {
1503	($map, $x, $y) = @$EMERGENCY_POSITION;	2406	($map, $x, $y) = @$EMERGENCY_POSITION;
1504	$map = cf::map::find_map $map	2407	$map = cf::map::find $map
1505	or die "FATAL: cannot load emergency map\n";	2408	or die "FATAL: cannot load emergency map\n";
1506	}	2409	}
1507	}	2410	}
1508		2411
1509	($x, $y) = (-1, -1)	2412	($x, $y) = (-1, -1)
…		…
1512	# use -1 or undef as default coordinates, not 0, 0	2415	# use -1 or undef as default coordinates, not 0, 0
1513	($x, $y) = ($map->enter_x, $map->enter_y)	2416	($x, $y) = ($map->enter_x, $map->enter_y)
1514	if $x <=0 && $y <= 0;	2417	if $x <=0 && $y <= 0;
1515		2418
1516	$map->load;	2419	$map->load;
		2420	$map->load_neighbours;
1517		2421
		2422	return unless $self->contr->active;
1518	$self->activate_recursive;	2423	$self->activate_recursive;
		2424
		2425	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1519	$self->enter_map ($map, $x, $y);	2426	$self->enter_map ($map, $x, $y);
1520	}	2427	}
1521		2428
1522	cf::player->attach (	2429	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1523	on_logout => sub {
1524	my ($pl) = @_;
1525		2430
1526	# abort map switching before logout	2431	Moves the player to the given map-path and coordinates by first freezing
1527	if ($pl->ob->{_link_pos}) {	2432	her, loading and preparing them map, calling the provided $check callback
1528	cf::sync_job {	2433	that has to return the map if sucecssful, and then unfreezes the player on
1529	$pl->ob->leave_link	2434	the new (success) or old (failed) map position. In either case, $done will
1530	};	2435	be called at the end of this process.
1531	}
1532	},
1533	on_login => sub {
1534	my ($pl) = @_;
1535		2436
1536	# try to abort aborted map switching on player login :)
1537	# should happen only on crashes
1538	if ($pl->ob->{_link_pos}) {
1539	$pl->ob->enter_link;
1540	Coro::async {
1541	# we need this sleep as the login has a concurrent enter_exit running
1542	# and this sleep increases chances of the player not ending up in scorn
1543	Coro::Timer::sleep 1;
1544	$pl->ob->leave_link;
1545	};
1546	}
1547	},
1548	);
1549
1550	=item $player_object->goto_map ($path, $x, $y)
1551
1552	=cut	2437	=cut
1553		2438
		2439	our $GOTOGEN;
		2440
1554	sub cf::object::player::goto_map {	2441	sub cf::object::player::goto {
1555	my ($self, $path, $x, $y) = @_;	2442	my ($self, $path, $x, $y, $check, $done) = @_;
		2443
		2444	# do generation counting so two concurrent goto's will be executed in-order
		2445	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1556		2446
1557	$self->enter_link;	2447	$self->enter_link;
1558		2448
1559	(Coro::async {	2449	(async {
1560	$path = new cf::path $path;	2450	my $map = eval {
1561
1562	my $map = cf::map::find_map $path->as_string;	2451	my $map = cf::map::find $path;
		2452
		2453	if ($map) {
1563	$map = $map->customise_for ($self) if $map;	2454	$map = $map->customise_for ($self);
1564		2455	$map = $check->($map) if $check && $map;
1565	# warn "entering ", $map->path, " at ($x, $y)\n"	2456	} else {
1566	# if $map;
1567
1568	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2457	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2458	}
1569		2459
		2460	$map
		2461	};
		2462
		2463	if ($@) {
		2464	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2465	LOG llevError | logBacktrace, Carp::longmess $@;
		2466	}
		2467
		2468	if ($gen == $self->{_goto_generation}) {
		2469	delete $self->{_goto_generation};
1570	$self->leave_link ($map, $x, $y);	2470	$self->leave_link ($map, $x, $y);
		2471	}
		2472
		2473	$done->() if $done;
1571	})->prio (1);	2474	})->prio (1);
1572	}	2475	}
1573		2476
1574	=item $player_object->enter_exit ($exit_object)	2477	=item $player_object->enter_exit ($exit_object)
1575		2478
…		…
1577		2480
1578	sub parse_random_map_params {	2481	sub parse_random_map_params {
1579	my ($spec) = @_;	2482	my ($spec) = @_;
1580		2483
1581	my $rmp = { # defaults	2484	my $rmp = { # defaults
1582	xsize => 10,	2485	xsize => (cf::rndm 15, 40),
1583	ysize => 10,	2486	ysize => (cf::rndm 15, 40),
		2487	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2488	#layout => string,
1584	};	2489	};
1585		2490
1586	for (split /\n/, $spec) {	2491	for (split /\n/, $spec) {
1587	my ($k, $v) = split /\s+/, $_, 2;	2492	my ($k, $v) = split /\s+/, $_, 2;
1588		2493
…		…
1592	$rmp	2497	$rmp
1593	}	2498	}
1594		2499
1595	sub prepare_random_map {	2500	sub prepare_random_map {
1596	my ($exit) = @_;	2501	my ($exit) = @_;
		2502
		2503	my $guard = cf::lock_acquire "exit_prepare:$exit";
1597		2504
1598	# all this does is basically replace the /! path by	2505	# all this does is basically replace the /! path by
1599	# a new random map path (?random/...) with a seed	2506	# a new random map path (?random/...) with a seed
1600	# that depends on the exit object	2507	# that depends on the exit object
1601		2508
1602	my $rmp = parse_random_map_params $exit->msg;	2509	my $rmp = parse_random_map_params $exit->msg;
1603		2510
1604	if ($exit->map) {	2511	if ($exit->map) {
1605	$rmp->{region} = $exit->map->region_name;	2512	$rmp->{region} = $exit->region->name;
1606	$rmp->{origin_map} = $exit->map->path;	2513	$rmp->{origin_map} = $exit->map->path;
1607	$rmp->{origin_x} = $exit->x;	2514	$rmp->{origin_x} = $exit->x;
1608	$rmp->{origin_y} = $exit->y;	2515	$rmp->{origin_y} = $exit->y;
1609	}	2516	}
1610		2517
1611	$rmp->{random_seed} ||= $exit->random_seed;	2518	$rmp->{random_seed} ||= $exit->random_seed;
1612		2519
1613	my $data = cf::to_json $rmp;	2520	my $data = cf::to_json $rmp;
1614	my $md5 = Digest::MD5::md5_hex $data;	2521	my $md5 = Digest::MD5::md5_hex $data;
		2522	my $meta = "$RANDOMDIR/$md5.meta";
1615		2523
1616	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2524	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1617	aio_write $fh, 0, (length $data), $data, 0;	2525	aio_write $fh, 0, (length $data), $data, 0;
		2526	undef $fh;
		2527	aio_rename "$meta~", $meta;
1618		2528
1619	$exit->slaying ("?random/$md5");	2529	$exit->slaying ("?random/$md5");
1620	$exit->msg (undef);	2530	$exit->msg (undef);
1621	}	2531	}
1622	}	2532	}
…		…
1624	sub cf::object::player::enter_exit {	2534	sub cf::object::player::enter_exit {
1625	my ($self, $exit) = @_;	2535	my ($self, $exit) = @_;
1626		2536
1627	return unless $self->type == cf::PLAYER;	2537	return unless $self->type == cf::PLAYER;
1628		2538
		2539	if ($exit->slaying eq "/!") {
		2540	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2541	# the problem is that $exit might not survive long enough
		2542	# so it needs to be done right now, right here
		2543	cf::sync_job { prepare_random_map $exit };
		2544	}
		2545
		2546	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2547	my $hp = $exit->stats->hp;
		2548	my $sp = $exit->stats->sp;
		2549
1629	$self->enter_link;	2550	$self->enter_link;
1630		2551
		2552	# if exit is damned, update players death & WoR home-position
		2553	$self->contr->savebed ($slaying, $hp, $sp)
		2554	if $exit->flag (FLAG_DAMNED);
		2555
1631	(Coro::async {	2556	(async {
		2557	$self->deactivate_recursive; # just to be sure
1632	unless (eval {	2558	unless (eval {
1633		2559	$self->goto ($slaying, $hp, $sp);
1634	prepare_random_map $exit
1635	if $exit->slaying eq "/!";
1636
1637	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1638	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1639		2560
1640	1;	2561	1;
1641	}) {	2562	}) {
1642	$self->message ("Something went wrong deep within the crossfire server. "	2563	$self->message ("Something went wrong deep within the crossfire server. "
1643	. "I'll try to bring you back to the map you were before. "	2564	. "I'll try to bring you back to the map you were before. "
1644	. "Please report this to the dungeon master",	2565	. "Please report this to the dungeon master!",
1645	cf::NDI_UNIQUE | cf::NDI_RED);	2566	cf::NDI_UNIQUE | cf::NDI_RED);
1646		2567
1647	warn "ERROR in enter_exit: $@";	2568	warn "ERROR in enter_exit: $@";
1648	$self->leave_link;	2569	$self->leave_link;
1649	}	2570	}
1650	})->prio (1);	2571	})->prio (1);
…		…
1663		2584
1664	sub cf::client::send_drawinfo {	2585	sub cf::client::send_drawinfo {
1665	my ($self, $text, $flags) = @_;	2586	my ($self, $text, $flags) = @_;
1666		2587
1667	utf8::encode $text;	2588	utf8::encode $text;
1668	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2589	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1669	}	2590	}
1670		2591
		2592	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2593
		2594	Send a drawinfo or msg packet to the client, formatting the msg for the
		2595	client if neccessary. C<$type> should be a string identifying the type of
		2596	the message, with C<log> being the default. If C<$color> is negative, suppress
		2597	the message unless the client supports the msg packet.
		2598
		2599	=cut
		2600
		2601	our %CHANNEL = (
		2602	"c/identify" => {
		2603	id => "identify",
		2604	title => "Identify",
		2605	reply => undef,
		2606	tooltip => "Items recently identified",
		2607	},
		2608	"c/examine" => {
		2609	id => "examine",
		2610	title => "Examine",
		2611	reply => undef,
		2612	tooltip => "Signs and other items you examined",
		2613	},
		2614	);
		2615
		2616	sub cf::client::send_msg {
		2617	my ($self, $channel, $msg, $color, @extra) = @_;
		2618
		2619	$msg = $self->pl->expand_cfpod ($msg);
		2620
		2621	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2622
		2623	# check predefined channels, for the benefit of C
		2624	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2625
		2626	if (ref $channel) {
		2627	# send meta info to client, if not yet sent
		2628	unless (exists $self->{channel}{$channel->{id}}) {
		2629	$self->{channel}{$channel->{id}} = $channel;
		2630	$self->ext_msg (channel_info => $channel)
		2631	if $self->can_msg;
		2632	}
		2633
		2634	$channel = $channel->{id};
		2635	}
		2636
		2637	return unless @extra || length $msg;
		2638
		2639	if ($self->can_msg) {
		2640	# default colour, mask it out
		2641	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2642	if $color & cf::NDI_DEF;
		2643
		2644	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2645	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2646	} else {
		2647	if ($color >= 0) {
		2648	# replace some tags by gcfclient-compatible ones
		2649	for ($msg) {
		2650	1 while
		2651	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2652	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2653	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2654	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2655	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2656	}
		2657
		2658	$color &= cf::NDI_COLOR_MASK;
		2659
		2660	utf8::encode $msg;
		2661
		2662	if (0 && $msg =~ /\[/) {
		2663	# COMMAND/INFO
		2664	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2665	} else {
		2666	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2667	$self->send_packet ("drawinfo $color $msg")
		2668	}
		2669	}
		2670	}
		2671	}
		2672
		2673	=item $client->ext_msg ($type, @msg)
		2674
		2675	Sends an ext event to the client.
		2676
		2677	=cut
		2678
		2679	sub cf::client::ext_msg($$@) {
		2680	my ($self, $type, @msg) = @_;
		2681
		2682	if ($self->extcmd == 2) {
		2683	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2684	} elsif ($self->extcmd == 1) { # TODO: remove
		2685	push @msg, msgtype => "event_$type";
		2686	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2687	}
		2688	}
		2689
		2690	=item $client->ext_reply ($msgid, @msg)
		2691
		2692	Sends an ext reply to the client.
		2693
		2694	=cut
		2695
		2696	sub cf::client::ext_reply($$@) {
		2697	my ($self, $id, @msg) = @_;
		2698
		2699	if ($self->extcmd == 2) {
		2700	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2701	} elsif ($self->extcmd == 1) {
		2702	#TODO: version 1, remove
		2703	unshift @msg, msgtype => "reply", msgid => $id;
		2704	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2705	}
		2706	}
1671		2707
1672	=item $success = $client->query ($flags, "text", \&cb)	2708	=item $success = $client->query ($flags, "text", \&cb)
1673		2709
1674	Queues a query to the client, calling the given callback with	2710	Queues a query to the client, calling the given callback with
1675	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2711	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1676	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2712	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1677		2713
1678	Queries can fail, so check the return code. Or don't, as queries will become	2714	Queries can fail, so check the return code. Or don't, as queries will
1679	reliable at some point in the future.	2715	become reliable at some point in the future.
1680		2716
1681	=cut	2717	=cut
1682		2718
1683	sub cf::client::query {	2719	sub cf::client::query {
1684	my ($self, $flags, $text, $cb) = @_;	2720	my ($self, $flags, $text, $cb) = @_;
…		…
1692	utf8::encode $text;	2728	utf8::encode $text;
1693	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2729	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1694		2730
1695	$self->send_packet ($self->{query_queue}[0][0])	2731	$self->send_packet ($self->{query_queue}[0][0])
1696	if @{ $self->{query_queue} } == 1;	2732	if @{ $self->{query_queue} } == 1;
		2733
		2734	1
1697	}	2735	}
1698		2736
1699	cf::client->attach (	2737	cf::client->attach (
		2738	on_connect => sub {
		2739	my ($ns) = @_;
		2740
		2741	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2742	},
1700	on_reply => sub {	2743	on_reply => sub {
1701	my ($ns, $msg) = @_;	2744	my ($ns, $msg) = @_;
1702		2745
1703	# this weird shuffling is so that direct followup queries	2746	# this weird shuffling is so that direct followup queries
1704	# get handled first	2747	# get handled first
1705	my $queue = delete $ns->{query_queue};	2748	my $queue = delete $ns->{query_queue}
		2749	or return; # be conservative, not sure how that can happen, but we saw a crash here
1706		2750
1707	(shift @$queue)->[1]->($msg);	2751	(shift @$queue)->[1]->($msg);
		2752	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1708		2753
1709	push @{ $ns->{query_queue} }, @$queue;	2754	push @{ $ns->{query_queue} }, @$queue;
1710		2755
1711	if (@{ $ns->{query_queue} } == @$queue) {	2756	if (@{ $ns->{query_queue} } == @$queue) {
1712	if (@$queue) {	2757	if (@$queue) {
…		…
1714	} else {	2759	} else {
1715	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2760	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1716	}	2761	}
1717	}	2762	}
1718	},	2763	},
		2764	on_exticmd => sub {
		2765	my ($ns, $buf) = @_;
		2766
		2767	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2768
		2769	if (ref $msg) {
		2770	my ($type, $reply, @payload) =
		2771	"ARRAY" eq ref $msg
		2772	? @$msg
		2773	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2774
		2775	my @reply;
		2776
		2777	if (my $cb = $EXTICMD{$type}) {
		2778	@reply = $cb->($ns, @payload);
		2779	}
		2780
		2781	$ns->ext_reply ($reply, @reply)
		2782	if $reply;
		2783
		2784	} else {
		2785	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2786	}
		2787
		2788	cf::override;
		2789	},
1719	);	2790	);
1720		2791
1721	=item $client->coro (\&cb)	2792	=item $client->async (\&cb)
1722		2793
1723	Create a new coroutine, running the specified callback. The coroutine will	2794	Create a new coroutine, running the specified callback. The coroutine will
1724	be automatically cancelled when the client gets destroyed (e.g. on logout,	2795	be automatically cancelled when the client gets destroyed (e.g. on logout,
1725	or loss of connection).	2796	or loss of connection).
1726		2797
1727	=cut	2798	=cut
1728		2799
1729	sub cf::client::coro {	2800	sub cf::client::async {
1730	my ($self, $cb) = @_;	2801	my ($self, $cb) = @_;
1731		2802
1732	my $coro; $coro = async {	2803	my $coro = &Coro::async ($cb);
1733	eval {
1734	$cb->();
1735	};
1736	warn $@ if $@;
1737	};
1738		2804
1739	$coro->on_destroy (sub {	2805	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2806	delete $self->{_coro}{$coro+0};
1741	});	2807	});
1742		2808
…		…
1769	our $safe = new Safe "safe";	2835	our $safe = new Safe "safe";
1770	our $safe_hole = new Safe::Hole;	2836	our $safe_hole = new Safe::Hole;
1771		2837
1772	$SIG{FPE} = 'IGNORE';	2838	$SIG{FPE} = 'IGNORE';
1773		2839
1774	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2840	$safe->permit_only (Opcode::opset qw(
		2841	:base_core :base_mem :base_orig :base_math
		2842	grepstart grepwhile mapstart mapwhile
		2843	sort time
		2844	));
1775		2845
1776	# here we export the classes and methods available to script code	2846	# here we export the classes and methods available to script code
1777		2847
1778	=pod	2848	=pod
1779		2849
1780	The following fucntions and emthods are available within a safe environment:	2850	The following functions and methods are available within a safe environment:
1781		2851
1782	cf::object contr pay_amount pay_player map	2852	cf::object
		2853	contr pay_amount pay_player map x y force_find force_add
		2854	insert remove name archname title slaying race decrease_ob_nr
		2855
1783	cf::object::player player	2856	cf::object::player
1784	cf::player peaceful	2857	player
1785	cf::map trigger	2858
		2859	cf::player
		2860	peaceful
		2861
		2862	cf::map
		2863	trigger
1786		2864
1787	=cut	2865	=cut
1788		2866
1789	for (	2867	for (
1790	["cf::object" => qw(contr pay_amount pay_player map)],	2868	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2869	insert remove inv name archname title slaying race
		2870	decrease_ob_nr)],
1791	["cf::object::player" => qw(player)],	2871	["cf::object::player" => qw(player)],
1792	["cf::player" => qw(peaceful)],	2872	["cf::player" => qw(peaceful)],
1793	["cf::map" => qw(trigger)],	2873	["cf::map" => qw(trigger)],
1794	) {	2874	) {
1795	no strict 'refs';	2875	no strict 'refs';
…		…
1866	=back	2946	=back
1867		2947
1868	=cut	2948	=cut
1869		2949
1870	#############################################################################	2950	#############################################################################
		2951	# the server's init and main functions
1871		2952
1872	=head2 EXTENSION DATABASE SUPPORT	2953	sub load_facedata($) {
		2954	my ($path) = @_;
1873		2955
1874	Crossfire maintains a very simple database for extension use. It can	2956	# HACK to clear player env face cache, we need some signal framework
1875	currently store anything that can be serialised using Storable, which	2957	# for this (global event?)
1876	excludes objects.	2958	%ext::player_env::MUSIC_FACE_CACHE = ();
1877		2959
1878	The parameter C<$family> should best start with the name of the extension	2960	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1879	using it, it should be unique.
1880		2961
1881	=over 4	2962	warn "loading facedata from $path\n";
1882		2963
1883	=item $hashref = cf::db_get $family	2964	my $facedata;
		2965	0 < aio_load $path, $facedata
		2966	or die "$path: $!";
1884		2967
1885	Return a hashref for use by the extension C<$family>, which can be	2968	$facedata = Coro::Storable::thaw $facedata;
1886	modified. After modifications, you have to call C<cf::db_dirty> or
1887	C<cf::db_sync>.
1888		2969
1889	=item $value = cf::db_get $family => $key	2970	$facedata->{version} == 2
		2971	or cf::cleanup "$path: version mismatch, cannot proceed.";
1890		2972
1891	Returns a single value from the database	2973	# patch in the exptable
1892		2974	$facedata->{resource}{"res/exp_table"} = {
1893	=item cf::db_put $family => $hashref	2975	type => FT_RSRC,
1894		2976	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1895	Stores the given family hashref into the database. Updates are delayed, if
1896	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1897
1898	=item cf::db_put $family => $key => $value
1899
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you
1901	want the data to be synced to disk immediately, use C<cf::db_sync>.
1902
1903	=item cf::db_dirty
1904
1905	Marks the database as dirty, to be updated at a later time.
1906
1907	=item cf::db_sync
1908
1909	Immediately write the database to disk I<if it is dirty>.
1910
1911	=cut
1912
1913	our $DB;
1914
1915	{
1916	my $path = cf::localdir . "/database.pst";
1917
1918	sub db_load() {
1919	warn "loading database $path\n";#d# remove later
1920	$DB = stat $path ? Storable::retrieve $path : { };
1921	}
1922
1923	my $pid;
1924
1925	sub db_save() {
1926	warn "saving database $path\n";#d# remove later
1927	waitpid $pid, 0 if $pid;
1928	if (0 == ($pid = fork)) {
1929	$DB->{_meta}{version} = 1;
1930	Storable::nstore $DB, "$path~";
1931	rename "$path~", $path;
1932	cf::_exit 0 if defined $pid;
1933	}
1934	}
1935
1936	my $dirty;
1937
1938	sub db_sync() {
1939	db_save if $dirty;
1940	undef $dirty;
1941	}
1942
1943	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1944	db_sync;
1945	});	2977	};
		2978	cf::cede_to_tick;
1946		2979
1947	sub db_dirty() {
1948	$dirty = 1;
1949	$idle->start;
1950	}	2980	{
		2981	my $faces = $facedata->{faceinfo};
1951		2982
1952	sub db_get($;$) {	2983	while (my ($face, $info) = each %$faces) {
1953	@_ >= 2	2984	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1954	? $DB->{$_[0]}{$_[1]}	2985	cf::face::set_visibility $idx, $info->{visibility};
1955	: ($DB->{$_[0]} ||= { })	2986	cf::face::set_magicmap $idx, $info->{magicmap};
1956	}	2987	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2988	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1957		2989
1958	sub db_put($$;$) {	2990	cf::cede_to_tick;
1959	if (@_ >= 3) {
1960	$DB->{$_[0]}{$_[1]} = $_[2];
1961	} else {
1962	$DB->{$_[0]} = $_[1];
1963	}
1964	db_dirty;
1965	}
1966
1967	cf::global->attach (
1968	prio => 10000,
1969	on_cleanup => sub {
1970	db_sync;
1971	},	2991	}
1972	);
1973	}
1974		2992
1975	#############################################################################	2993	while (my ($face, $info) = each %$faces) {
1976	# the server's main()	2994	next unless $info->{smooth};
		2995	my $idx = cf::face::find $face
		2996	or next;
		2997	if (my $smooth = cf::face::find $info->{smooth}) {
		2998	cf::face::set_smooth $idx, $smooth;
		2999	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3000	} else {
		3001	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3002	}
1977		3003
1978	sub cfg_load {	3004	cf::cede_to_tick;
		3005	}
		3006	}
		3007
		3008	{
		3009	my $anims = $facedata->{animinfo};
		3010
		3011	while (my ($anim, $info) = each %$anims) {
		3012	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3013	cf::cede_to_tick;
		3014	}
		3015
		3016	cf::anim::invalidate_all; # d'oh
		3017	}
		3018
		3019	{
		3020	# TODO: for gcfclient pleasure, we should give resources
		3021	# that gcfclient doesn't grok a >10000 face index.
		3022	my $res = $facedata->{resource};
		3023
		3024	my $soundconf = delete $res->{"res/sound.conf"};
		3025
		3026	while (my ($name, $info) = each %$res) {
		3027	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3028	my $data;
		3029
		3030	if ($info->{type} & 1) {
		3031	# prepend meta info
		3032
		3033	my $meta = $enc->encode ({
		3034	name => $name,
		3035	%{ $info->{meta} || {} },
		3036	});
		3037
		3038	$data = pack "(w/a*)*", $meta, $info->{data};
		3039	} else {
		3040	$data = $info->{data};
		3041	}
		3042
		3043	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3044	cf::face::set_type $idx, $info->{type};
		3045
		3046	cf::cede_to_tick;
		3047	}
		3048
		3049	if ($soundconf) {
		3050	$soundconf = $enc->decode (delete $soundconf->{data});
		3051
		3052	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3053	my $sound = $soundconf->{compat}[$_]
		3054	or next;
		3055
		3056	my $face = cf::face::find "sound/$sound->[1]";
		3057	cf::sound::set $sound->[0] => $face;
		3058	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3059	}
		3060
		3061	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3062	my $face = cf::face::find "sound/$v";
		3063	cf::sound::set $k => $face;
		3064	}
		3065	}
		3066	}
		3067
		3068	1
		3069	}
		3070
		3071	register_exticmd fx_want => sub {
		3072	my ($ns, $want) = @_;
		3073
		3074	while (my ($k, $v) = each %$want) {
		3075	$ns->fx_want ($k, $v);
		3076	}
		3077	};
		3078
		3079	sub reload_regions {
		3080	# HACK to clear player env face cache, we need some signal framework
		3081	# for this (global event?)
		3082	%ext::player_env::MUSIC_FACE_CACHE = ();
		3083
		3084	load_resource_file "$MAPDIR/regions"
		3085	or die "unable to load regions file\n";
		3086
		3087	for (cf::region::list) {
		3088	$_->{match} = qr/$_->{match}/
		3089	if exists $_->{match};
		3090	}
		3091	}
		3092
		3093	sub reload_facedata {
		3094	load_facedata "$DATADIR/facedata"
		3095	or die "unable to load facedata\n";
		3096	}
		3097
		3098	sub reload_archetypes {
		3099	load_resource_file "$DATADIR/archetypes"
		3100	or die "unable to load archetypes\n";
		3101	#d# NEED to laod twice to resolve forward references
		3102	# this really needs to be done in an extra post-pass
		3103	# (which needs to be synchronous, so solve it differently)
		3104	load_resource_file "$DATADIR/archetypes"
		3105	or die "unable to load archetypes\n";
		3106	}
		3107
		3108	sub reload_treasures {
		3109	load_resource_file "$DATADIR/treasures"
		3110	or die "unable to load treasurelists\n";
		3111	}
		3112
		3113	sub reload_resources {
		3114	warn "reloading resource files...\n";
		3115
		3116	reload_regions;
		3117	reload_facedata;
		3118	#reload_archetypes;#d#
		3119	reload_archetypes;
		3120	reload_treasures;
		3121
		3122	warn "finished reloading resource files\n";
		3123	}
		3124
		3125	sub init {
		3126	reload_resources;
		3127	}
		3128
		3129	sub reload_config {
1979	open my $fh, "<:utf8", cf::confdir . "/config"	3130	open my $fh, "<:utf8", "$CONFDIR/config"
1980	or return;	3131	or return;
1981		3132
1982	local $/;	3133	local $/;
1983	*CFG = YAML::Syck::Load <$fh>;	3134	*CFG = YAML::Syck::Load <$fh>;
		3135
		3136	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3137
		3138	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3139	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3140
		3141	if (exists $CFG{mlockall}) {
		3142	eval {
		3143	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3144	and die "WARNING: m(un)lockall failed: $!\n";
		3145	};
		3146	warn $@ if $@;
		3147	}
1984	}	3148	}
1985		3149
1986	sub main {	3150	sub main {
1987	# we must not ever block the main coroutine	3151	# we must not ever block the main coroutine
1988	local $Coro::idle = sub {	3152	local $Coro::idle = sub {
1989	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3153	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1990	(Coro::unblock_sub {	3154	(async {
1991	Event::one_event;	3155	Event::one_event;
1992	})->();	3156	})->prio (Coro::PRIO_MAX);
1993	};	3157	};
1994		3158
1995	cfg_load;	3159	reload_config;
1996	db_load;	3160	db_init;
1997	load_extensions;	3161	load_extensions;
		3162
		3163	$TICK_WATCHER->start;
1998	Event::loop;	3164	Event::loop;
1999	}	3165	}
2000		3166
2001	#############################################################################	3167	#############################################################################
2002	# initialisation	3168	# initialisation and cleanup
2003		3169
		3170	# install some emergency cleanup handlers
		3171	BEGIN {
		3172	for my $signal (qw(INT HUP TERM)) {
		3173	Event->signal (
		3174	reentrant => 0,
		3175	data => WF_AUTOCANCEL,
		3176	signal => $signal,
		3177	prio => 0,
		3178	cb => sub {
		3179	cf::cleanup "SIG$signal";
		3180	},
		3181	);
		3182	}
		3183	}
		3184
		3185	sub write_runtime {
		3186	my $runtime = "$LOCALDIR/runtime";
		3187
		3188	# first touch the runtime file to show we are still running:
		3189	# the fsync below can take a very very long time.
		3190
		3191	IO::AIO::aio_utime $runtime, undef, undef;
		3192
		3193	my $guard = cf::lock_acquire "write_runtime";
		3194
		3195	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3196	or return;
		3197
		3198	my $value = $cf::RUNTIME + 90 + 10;
		3199	# 10 is the runtime save interval, for a monotonic clock
		3200	# 60 allows for the watchdog to kill the server.
		3201
		3202	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3203	and return;
		3204
		3205	# always fsync - this file is important
		3206	aio_fsync $fh
		3207	and return;
		3208
		3209	# touch it again to show we are up-to-date
		3210	aio_utime $fh, undef, undef;
		3211
		3212	close $fh
		3213	or return;
		3214
		3215	aio_rename "$runtime~", $runtime
		3216	and return;
		3217
		3218	warn "runtime file written.\n";
		3219
		3220	1
		3221	}
		3222
		3223	sub emergency_save() {
		3224	my $freeze_guard = cf::freeze_mainloop;
		3225
		3226	warn "enter emergency perl save\n";
		3227
		3228	cf::sync_job {
		3229	# use a peculiar iteration method to avoid tripping on perl
		3230	# refcount bugs in for. also avoids problems with players
		3231	# and maps saved/destroyed asynchronously.
		3232	warn "begin emergency player save\n";
		3233	for my $login (keys %cf::PLAYER) {
		3234	my $pl = $cf::PLAYER{$login} or next;
		3235	$pl->valid or next;
		3236	$pl->save;
		3237	}
		3238	warn "end emergency player save\n";
		3239
		3240	warn "begin emergency map save\n";
		3241	for my $path (keys %cf::MAP) {
		3242	my $map = $cf::MAP{$path} or next;
		3243	$map->valid or next;
		3244	$map->save;
		3245	}
		3246	warn "end emergency map save\n";
		3247
		3248	warn "begin emergency database checkpoint\n";
		3249	BDB::db_env_txn_checkpoint $DB_ENV;
		3250	warn "end emergency database checkpoint\n";
		3251	};
		3252
		3253	warn "leave emergency perl save\n";
		3254	}
		3255
		3256	sub post_cleanup {
		3257	my ($make_core) = @_;
		3258
		3259	warn Carp::longmess "post_cleanup backtrace"
		3260	if $make_core;
		3261	}
		3262
2004	sub reload() {	3263	sub do_reload_perl() {
2005	# can/must only be called in main	3264	# can/must only be called in main
2006	if ($Coro::current != $Coro::main) {	3265	if ($Coro::current != $Coro::main) {
2007	warn "can only reload from main coroutine\n";	3266	warn "can only reload from main coroutine";
2008	return;	3267	return;
2009	}	3268	}
2010		3269
2011	warn "reloading...";	3270	warn "reloading...";
2012		3271
2013	local $FREEZE = 1;	3272	warn "entering sync_job";
		3273
		3274	cf::sync_job {
		3275	cf::write_runtime; # external watchdog should not bark
2014	cf::emergency_save;	3276	cf::emergency_save;
		3277	cf::write_runtime; # external watchdog should not bark
2015		3278
2016	eval {	3279	warn "syncing database to disk";
		3280	BDB::db_env_txn_checkpoint $DB_ENV;
		3281
2017	# if anything goes wrong in here, we should simply crash as we already saved	3282	# if anything goes wrong in here, we should simply crash as we already saved
2018		3283
2019	# cancel all watchers	3284	warn "cancelling all WF_AUTOCANCEL watchers";
2020	for (Event::all_watchers) {	3285	for (Event::all_watchers) {
2021	$_->cancel if $_->data & WF_AUTOCANCEL;	3286	$_->cancel if $_->data & WF_AUTOCANCEL;
2022	}	3287	}
2023		3288
		3289	warn "flushing outstanding aio requests";
		3290	for (;;) {
		3291	BDB::flush;
		3292	IO::AIO::flush;
		3293	Coro::cede;
		3294	last unless IO::AIO::nreqs || BDB::nreqs;
		3295	warn "iterate...";
		3296	}
		3297
		3298	++$RELOAD;
		3299
2024	# cancel all extension coros	3300	warn "cancelling all extension coros";
2025	$_->cancel for values %EXT_CORO;	3301	$_->cancel for values %EXT_CORO;
2026	%EXT_CORO = ();	3302	%EXT_CORO = ();
2027		3303
2028	# unload all extensions	3304	warn "removing commands";
2029	for (@exts) {	3305	%COMMAND = ();
		3306
		3307	warn "removing ext/exti commands";
		3308	%EXTCMD = ();
		3309	%EXTICMD = ();
		3310
		3311	warn "unloading/nuking all extensions";
		3312	for my $pkg (@EXTS) {
2030	warn "unloading <$_>";	3313	warn "... unloading $pkg";
2031	unload_extension $_;	3314
		3315	if (my $cb = $pkg->can ("unload")) {
		3316	eval {
		3317	$cb->($pkg);
		3318	1
		3319	} or warn "$pkg unloaded, but with errors: $@";
2032	}	3320	}
2033		3321
		3322	warn "... nuking $pkg";
		3323	Symbol::delete_package $pkg;
		3324	}
		3325
2034	# unload all modules loaded from $LIBDIR	3326	warn "unloading all perl modules loaded from $LIBDIR";
2035	while (my ($k, $v) = each %INC) {	3327	while (my ($k, $v) = each %INC) {
2036	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3328	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2037		3329
2038	warn "removing <$k>";	3330	warn "... unloading $k";
2039	delete $INC{$k};	3331	delete $INC{$k};
2040		3332
2041	$k =~ s/\.pm$//;	3333	$k =~ s/\.pm$//;
2042	$k =~ s/\//::/g;	3334	$k =~ s/\//::/g;
2043		3335
…		…
2046	}	3338	}
2047		3339
2048	Symbol::delete_package $k;	3340	Symbol::delete_package $k;
2049	}	3341	}
2050		3342
2051	# sync database to disk
2052	cf::db_sync;
2053	IO::AIO::flush;
2054
2055	# get rid of safe::, as good as possible	3343	warn "getting rid of safe::, as good as possible";
2056	Symbol::delete_package "safe::$_"	3344	Symbol::delete_package "safe::$_"
2057	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3345	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2058		3346
2059	# remove register_script_function callbacks
2060	# TODO
2061
2062	# unload cf.pm "a bit"	3347	warn "unloading cf.pm \"a bit\"";
2063	delete $INC{"cf.pm"};	3348	delete $INC{"cf.pm"};
		3349	delete $INC{"cf/pod.pm"};
2064		3350
2065	# don't, removes xs symbols, too,	3351	# don't, removes xs symbols, too,
2066	# and global variables created in xs	3352	# and global variables created in xs
2067	#Symbol::delete_package __PACKAGE__;	3353	#Symbol::delete_package __PACKAGE__;
2068		3354
2069	# reload cf.pm	3355	warn "unload completed, starting to reload now";
		3356
2070	warn "reloading cf.pm";	3357	warn "reloading cf.pm";
2071	require cf;	3358	require cf;
2072	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3359	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2073		3360
2074	# load config and database again	3361	warn "loading config and database again";
2075	cf::cfg_load;	3362	cf::reload_config;
2076	cf::db_load;
2077		3363
2078	# load extensions
2079	warn "load extensions";	3364	warn "loading extensions";
2080	cf::load_extensions;	3365	cf::load_extensions;
2081		3366
2082	# reattach attachments to objects	3367	warn "reattaching attachments to objects/players";
2083	warn "reattach";	3368	_global_reattach; # objects, sockets
2084	_global_reattach;	3369	warn "reattaching attachments to maps";
2085	};	3370	reattach $_ for values %MAP;
		3371	warn "reattaching attachments to players";
		3372	reattach $_ for values %PLAYER;
2086		3373
2087	if ($@) {	3374	warn "leaving sync_job";
		3375
		3376	1
		3377	} or do {
2088	warn $@;	3378	warn $@;
2089	warn "error while reloading, exiting.";	3379	warn "error while reloading, exiting.";
2090	exit 1;	3380	exit 1;
2091	}	3381	};
2092		3382
2093	warn "reloaded successfully";	3383	warn "reloaded";
2094	};	3384	};
2095		3385
2096	#############################################################################	3386	our $RELOAD_WATCHER; # used only during reload
2097		3387
2098	unless ($LINK_MAP) {	3388	sub reload_perl() {
2099	$LINK_MAP = cf::map::new;	3389	# doing reload synchronously and two reloads happen back-to-back,
		3390	# coro crashes during coro_state_free->destroy here.
2100		3391
2101	$LINK_MAP->width (41);	3392	$RELOAD_WATCHER ||= Event->timer (
2102	$LINK_MAP->height (41);	3393	reentrant => 0,
2103	$LINK_MAP->alloc;
2104	$LINK_MAP->path ("{link}");
2105	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2106	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2107
2108	# dirty hack because... archetypes are not yet loaded
2109	Event->timer (
2110	after => 2,	3394	after => 0,
		3395	data => WF_AUTOCANCEL,
2111	cb => sub {	3396	cb => sub {
2112	$_[0]->w->cancel;	3397	do_reload_perl;
2113		3398	undef $RELOAD_WATCHER;
2114	# provide some exits "home"
2115	my $exit = cf::object::new "exit";
2116
2117	$exit->slaying ($EMERGENCY_POSITION->[0]);
2118	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2119	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2120
2121	$LINK_MAP->insert ($exit->clone, 19, 19);
2122	$LINK_MAP->insert ($exit->clone, 19, 20);
2123	$LINK_MAP->insert ($exit->clone, 19, 21);
2124	$LINK_MAP->insert ($exit->clone, 20, 19);
2125	$LINK_MAP->insert ($exit->clone, 20, 21);
2126	$LINK_MAP->insert ($exit->clone, 21, 19);
2127	$LINK_MAP->insert ($exit->clone, 21, 20);
2128	$LINK_MAP->insert ($exit->clone, 21, 21);
2129
2130	$exit->destroy;
2131	});	3399	},
2132		3400	);
2133	$LINK_MAP->{deny_save} = 1;
2134	$LINK_MAP->{deny_reset} = 1;
2135
2136	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2137	}	3401	}
2138
2139	register "<global>", __PACKAGE__;
2140		3402
2141	register_command "reload" => sub {	3403	register_command "reload" => sub {
2142	my ($who, $arg) = @_;	3404	my ($who, $arg) = @_;
2143		3405
2144	if ($who->flag (FLAG_WIZ)) {	3406	if ($who->flag (FLAG_WIZ)) {
2145	$who->message ("start of reload.");
2146	reload;
2147	$who->message ("end of reload.");	3407	$who->message ("reloading server.");
		3408	async { reload_perl };
2148	}	3409	}
2149	};	3410	};
2150		3411
2151	unshift @INC, $LIBDIR;	3412	unshift @INC, $LIBDIR;
2152		3413
		3414	my $bug_warning = 0;
		3415
		3416	our @WAIT_FOR_TICK;
		3417	our @WAIT_FOR_TICK_BEGIN;
		3418
		3419	sub wait_for_tick {
		3420	return unless $TICK_WATCHER->is_active;
		3421	return if $Coro::current == $Coro::main;
		3422
		3423	my $signal = new Coro::Signal;
		3424	push @WAIT_FOR_TICK, $signal;
		3425	$signal->wait;
		3426	}
		3427
		3428	sub wait_for_tick_begin {
		3429	return unless $TICK_WATCHER->is_active;
		3430	return if $Coro::current == $Coro::main;
		3431
		3432	my $signal = new Coro::Signal;
		3433	push @WAIT_FOR_TICK_BEGIN, $signal;
		3434	$signal->wait;
		3435	}
		3436
		3437	my $min = 1e6;#d#
		3438	my $avg = 10;
2153	$TICK_WATCHER = Event->timer (	3439	$TICK_WATCHER = Event->timer (
2154	reentrant => 0,	3440	reentrant => 0,
		3441	parked => 1,
2155	prio => 0,	3442	prio => 0,
2156	at => $NEXT_TICK || $TICK,	3443	at => $NEXT_TICK || $TICK,
2157	data => WF_AUTOCANCEL,	3444	data => WF_AUTOCANCEL,
2158	cb => sub {	3445	cb => sub {
2159	unless ($FREEZE) {	3446	if ($Coro::current != $Coro::main) {
		3447	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3448	unless ++$bug_warning > 10;
		3449	return;
		3450	}
		3451
		3452	$NOW = $tick_start = Event::time;
		3453
2160	cf::server_tick; # one server iteration	3454	cf::server_tick; # one server iteration
2161	$RUNTIME += $TICK;	3455
		3456	0 && sync_job {#d#
		3457	for(1..10) {
		3458	my $t = Event::time;
		3459	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3460	or die;
		3461
		3462	$map->width (50);
		3463	$map->height (50);
		3464	$map->alloc;
		3465	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3466	my $t = Event::time - $t;
		3467
		3468	#next unless $t < 0.0013;#d#
		3469	if ($t < $min) {
		3470	$min = $t;
		3471	}
		3472	$avg = $avg * 0.99 + $t * 0.01;
		3473	}
		3474	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3475	exit 0;
		3476	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2162	}	3477	};
2163		3478
		3479	$RUNTIME += $TICK;
2164	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2165		3481
		3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3484	Coro::async_pool {
		3485	write_runtime
		3486	or warn "ERROR: unable to write runtime file: $!";
		3487	};
		3488	}
		3489
		3490	# my $AFTER = Event::time;
		3491	# warn $AFTER - $NOW;#d#
		3492
		3493	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3494	$sig->send;
		3495	}
		3496	while (my $sig = shift @WAIT_FOR_TICK) {
		3497	$sig->send;
		3498	}
		3499
		3500	$NOW = Event::time;
		3501
2166	# if we are delayed by four ticks or more, skip them all	3502	# if we are delayed by four ticks or more, skip them all
2167	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3503	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2168		3504
2169	$TICK_WATCHER->at ($NEXT_TICK);	3505	$TICK_WATCHER->at ($NEXT_TICK);
2170	$TICK_WATCHER->start;	3506	$TICK_WATCHER->start;
		3507
		3508	$LOAD = ($NOW - $tick_start) / $TICK;
		3509	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3510
		3511	_post_tick;
		3512
		3513
2171	},	3514	},
2172	);	3515	);
2173		3516
		3517	{
2174	IO::AIO::max_poll_time $TICK * 0.2;	3518	BDB::max_poll_time $TICK * 0.1;
2175		3519	$BDB_POLL_WATCHER = Event->io (
2176	Event->io (	3520	reentrant => 0,
2177	fd => IO::AIO::poll_fileno,	3521	fd => BDB::poll_fileno,
2178	poll => 'r',	3522	poll => 'r',
2179	prio => 5,	3523	prio => 0,
2180	data => WF_AUTOCANCEL,
2181	cb => \&IO::AIO::poll_cb,
2182	);
2183
2184	Event->timer (
2185	data => WF_AUTOCANCEL,	3524	data => WF_AUTOCANCEL,
2186	after => 0,	3525	cb => \&BDB::poll_cb,
2187	interval => 10,	3526	);
2188	cb => sub {	3527	BDB::min_parallel 8;
2189	(Coro::unblock_sub {	3528
2190	write_runtime	3529	BDB::set_sync_prepare {
2191	or warn "ERROR: unable to write runtime file: $!";	3530	my $status;
		3531	my $current = $Coro::current;
		3532	(
		3533	sub {
		3534	$status = $!;
		3535	$current->ready; undef $current;
		3536	},
		3537	sub {
		3538	Coro::schedule while defined $current;
		3539	$! = $status;
		3540	},
		3541	)
		3542	};
		3543
		3544	unless ($DB_ENV) {
		3545	$DB_ENV = BDB::db_env_create;
		3546
		3547	cf::sync_job {
		3548	eval {
		3549	BDB::db_env_open
		3550	$DB_ENV,
		3551	$BDBDIR,
		3552	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3553	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3554	0666;
		3555
		3556	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3557
		3558	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3559	$DB_ENV->set_lk_detect;
		3560	};
		3561
		3562	cf::cleanup "db_env_open(db): $@" if $@;
2192	})->();	3563	};
2193	},	3564	}
2194	);	3565	}
		3566
		3567	{
		3568	IO::AIO::min_parallel 8;
		3569
		3570	undef $Coro::AIO::WATCHER;
		3571	IO::AIO::max_poll_time $TICK * 0.1;
		3572	$AIO_POLL_WATCHER = Event->io (
		3573	reentrant => 0,
		3574	data => WF_AUTOCANCEL,
		3575	fd => IO::AIO::poll_fileno,
		3576	poll => 'r',
		3577	prio => 6,
		3578	cb => \&IO::AIO::poll_cb,
		3579	);
		3580	}
		3581
		3582	my $_log_backtrace;
		3583
		3584	sub _log_backtrace {
		3585	my ($msg, @addr) = @_;
		3586
		3587	$msg =~ s/\n//;
		3588
		3589	# limit the # of concurrent backtraces
		3590	if ($_log_backtrace < 2) {
		3591	++$_log_backtrace;
		3592	async {
		3593	my @bt = fork_call {
		3594	@addr = map { sprintf "%x", $_ } @addr;
		3595	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3596	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3597	or die "addr2line: $!";
		3598
		3599	my @funcs;
		3600	my @res = <$fh>;
		3601	chomp for @res;
		3602	while (@res) {
		3603	my ($func, $line) = splice @res, 0, 2, ();
		3604	push @funcs, "[$func] $line";
		3605	}
		3606
		3607	@funcs
		3608	};
		3609
		3610	LOG llevInfo, "[ABT] $msg\n";
		3611	LOG llevInfo, "[ABT] $_\n" for @bt;
		3612	--$_log_backtrace;
		3613	};
		3614	} else {
		3615	LOG llevInfo, "[ABT] $msg\n";
		3616	LOG llevInfo, "[ABT] [suppressed]\n";
		3617	}
		3618	}
		3619
		3620	# load additional modules
		3621	use cf::pod;
		3622
		3623	END { cf::emergency_save }
2195		3624
2196	1	3625	1
2197		3626

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