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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs.
Revision 1.408 by root, Mon Jan 14 10:12:12 2008 UTC

…		…
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 Socket;
9	use Storable;	9	use EV 1.86;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
		27	use JSON::XS 2.01 ();
25	use BDB ();	28	use BDB ();
26	use Data::Dumper;	29	use Data::Dumper;
27	use Digest::MD5;	30	use Digest::MD5;
28	use Fcntl;	31	use Fcntl;
29	use YAML::Syck ();	32	use YAML ();
30	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
31	use Time::HiRes;	34	use Time::HiRes;
32	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
33		37
34	# configure various modules to our taste	38	# configure various modules to our taste
35	#	39	#
36	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		43
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		45
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		47
49	our %COMMAND = ();	48	our %COMMAND = ();
50	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
51		50
52	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
56		56
57	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
58	our @EVENT;	58	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	69	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	70	our $BDBDIR = "$LOCALDIR/db";
		71	our %RESOURCE;
71		72
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;	74	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	77	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		79
80	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	84	our $DB_ENV;
82		85
83	our %CFG;	86	our %CFG;
84		87
85	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
87		91
88	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
91		95
92	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		98
…		…
155		159
156	The raw value load value from the last tick.	160	The raw value load value from the last tick.
157		161
158	=item %cf::CFG	162	=item %cf::CFG
159		163
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	165	from wherever your confdir points to.
162		166
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		168
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		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.
		178
169	=back	179	=back
170		180
171	=cut	181	=cut
172		182
173	BEGIN {	183	BEGIN {
…		…
177	$msg .= "\n"	187	$msg .= "\n"
178	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
179		189
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		191
182	utf8::encode $msg;
183	LOG llevError, $msg;	192	LOG llevError, $msg;
184	};	193	};
185	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	warn Carp::longmess $_[0];
		198	Coro::terminate;
		199	};
186		200
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	204	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	205	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		206	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	207	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		208
194	# we bless all objects into (empty) derived classes to force a method lookup	209	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	210	# within the Safe compartment.
196	for my $pkg (qw(	211	for my $pkg (qw(
197	cf::global cf::attachable	212	cf::global cf::attachable
…		…
202	)) {	217	)) {
203	no strict 'refs';	218	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	220	}
206		221
207	$Event::DIED = sub {	222	$EV::DIED = sub {
208	warn "error in event callback: @_";	223	warn "error in event callback: @_";
209	};	224	};
		225
		226	#############################################################################
210		227
211	=head2 UTILITY FUNCTIONS	228	=head2 UTILITY FUNCTIONS
212		229
213	=over 4	230	=over 4
214		231
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	250	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	251	$d
235	} || "[unable to dump $_[0]: '$@']";	252	} || "[unable to dump $_[0]: '$@']";
236	}	253	}
237		254
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	255	=item $ref = cf::decode_json $json
241		256
242	Converts a JSON string into the corresponding perl data structure.	257	Converts a JSON string into the corresponding perl data structure.
243		258
244	=item $json = cf::to_json $ref	259	=item $json = cf::encode_json $ref
245		260
246	Converts a perl data structure into its JSON representation.	261	Converts a perl data structure into its JSON representation.
		262
		263	=cut
		264
		265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		266
		267	sub encode_json($) { $json_coder->encode ($_[0]) }
		268	sub decode_json($) { $json_coder->decode ($_[0]) }
247		269
248	=item cf::lock_wait $string	270	=item cf::lock_wait $string
249		271
250	Wait until the given lock is available. See cf::lock_acquire.	272	Wait until the given lock is available. See cf::lock_acquire.
251		273
…		…
254	Wait until the given lock is available and then acquires it and returns	276	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	277	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	278	for example when the coroutine gets canceled), the lock is automatically
257	returned.	279	returned.
258		280
		281	Locks are *not* recursive, locking from the same coro twice results in a
		282	deadlocked coro.
		283
259	Lock names should begin with a unique identifier (for example, cf::map::find	284	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	285	uses map_find and cf::map::load uses map_load).
261		286
262	=item $locked = cf::lock_active $string	287	=item $locked = cf::lock_active $string
263		288
264	Return true if the lock is currently active, i.e. somebody has locked it.	289	Return true if the lock is currently active, i.e. somebody has locked it.
265		290
266	=cut	291	=cut
267		292
268	our %LOCK;	293	our %LOCK;
		294	our %LOCKER;#d#
269		295
270	sub lock_wait($) {	296	sub lock_wait($) {
271	my ($key) = @_;	297	my ($key) = @_;
		298
		299	if ($LOCKER{$key} == $Coro::current) {#d#
		300	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		301	return;#d#
		302	}#d#
272		303
273	# wait for lock, if any	304	# wait for lock, if any
274	while ($LOCK{$key}) {	305	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	306	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	307	Coro::schedule;
…		…
282		313
283	# wait, to be sure we are not locked	314	# wait, to be sure we are not locked
284	lock_wait $key;	315	lock_wait $key;
285		316
286	$LOCK{$key} = [];	317	$LOCK{$key} = [];
		318	$LOCKER{$key} = $Coro::current;#d#
287		319
288	Coro::guard {	320	Coro::guard {
		321	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	322	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	323	$_->ready for @{ delete $LOCK{$key} };
291	}	324	}
292	}	325	}
293		326
…		…
305	};	338	};
306	$TICK_WATCHER->stop;	339	$TICK_WATCHER->stop;
307	$guard	340	$guard
308	}	341	}
309		342
		343	=item cf::periodic $interval, $cb
		344
		345	Like EV::periodic, but randomly selects a starting point so that the actions
		346	get spread over timer.
		347
		348	=cut
		349
		350	sub periodic($$) {
		351	my ($interval, $cb) = @_;
		352
		353	my $start = rand List::Util::min 180, $interval;
		354
		355	EV::periodic $start, $interval, 0, $cb
		356	}
		357
		358	=item cf::get_slot $time[, $priority[, $name]]
		359
		360	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		361	This call blocks and returns only when you have at least C<$time> seconds
		362	of cpu time till the next tick. The slot is only valid till the next cede.
		363
		364	The optional C<$name> can be used to identify the job to run. It might be
		365	used for statistical purposes and should identify the same time-class.
		366
		367	Useful for short background jobs.
		368
		369	=cut
		370
		371	our @SLOT_QUEUE;
		372	our $SLOT_QUEUE;
		373
		374	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		375	$SLOT_QUEUE = Coro::async {
		376	$Coro::current->desc ("timeslot manager");
		377
		378	my $signal = new Coro::Signal;
		379
		380	while () {
		381	next_job:
		382	my $avail = cf::till_tick;
		383	if ($avail > 0.01) {
		384	for (0 .. $#SLOT_QUEUE) {
		385	if ($SLOT_QUEUE[$_][0] < $avail) {
		386	my $job = splice @SLOT_QUEUE, $_, 1, ();
		387	$job->[2]->send;
		388	Coro::cede;
		389	goto next_job;
		390	}
		391	}
		392	}
		393
		394	if (@SLOT_QUEUE) {
		395	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		396	push @cf::WAIT_FOR_TICK, $signal;
		397	$signal->wait;
		398	} else {
		399	Coro::schedule;
		400	}
		401	}
		402	};
		403
		404	sub get_slot($;$$) {
		405	my ($time, $pri, $name) = @_;
		406
		407	$time = $TICK * .6 if $time > $TICK * .6;
		408	my $sig = new Coro::Signal;
		409
		410	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		411	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		412	$SLOT_QUEUE->ready;
		413	$sig->wait;
		414	}
		415
310	=item cf::async { BLOCK }	416	=item cf::async { BLOCK }
311		417
312	Currently the same as Coro::async_pool, meaning you cannot use	418	Currently the same as Coro::async_pool, meaning you cannot use
313	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	419	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
314	thing you are allowed to do is call C<prio> on it.	420	thing you are allowed to do is call C<prio> on it.
…		…
317		423
318	BEGIN { *async = \&Coro::async_pool }	424	BEGIN { *async = \&Coro::async_pool }
319		425
320	=item cf::sync_job { BLOCK }	426	=item cf::sync_job { BLOCK }
321		427
322	The design of crossfire+ requires that the main coro ($Coro::main) is	428	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	429	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	430	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		431	acceptable.
325		432
326	If it must be done, put the blocking parts into C<sync_job>. This will run	433	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	434	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	435	server will be frozen during this time, so the block should either finish
329	fast or be very important.	436	fast or be very important.
…		…
332		439
333	sub sync_job(&) {	440	sub sync_job(&) {
334	my ($job) = @_;	441	my ($job) = @_;
335		442
336	if ($Coro::current == $Coro::main) {	443	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	444	my $time = EV::time;
338		445
339	# this is the main coro, too bad, we have to block	446	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	447	# till the operation succeeds, freezing the server :/
341		448
		449	LOG llevError, Carp::longmess "sync job";#d#
		450
342	# TODO: use suspend/resume instead	451	# TODO: use suspend/resume instead
343	# (but this is cancel-safe)	452	# (but this is cancel-safe)
344	my $freeze_guard = freeze_mainloop;	453	my $freeze_guard = freeze_mainloop;
345		454
346	my $busy = 1;	455	my $busy = 1;
347	my @res;	456	my @res;
348		457
349	(async {	458	(async {
		459	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	460	@res = eval { $job->() };
351	warn $@ if $@;	461	warn $@ if $@;
352	undef $busy;	462	undef $busy;
353	})->prio (Coro::PRIO_MAX);	463	})->prio (Coro::PRIO_MAX);
354		464
355	while ($busy) {	465	while ($busy) {
356	Coro::cede or Event::one_event;	466	if (Coro::nready) {
		467	Coro::cede_notself;
		468	} else {
		469	EV::loop EV::LOOP_ONESHOT;
357	}	470	}
		471	}
358		472
359	$time = Event::time - $time;	473	$time = EV::time - $time;
360		474
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"	475	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	476	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363		477
364	$tick_start += $time; # do not account sync jobs to server load	478	$tick_start += $time; # do not account sync jobs to server load
…		…
389	$EXT_CORO{$coro+0} = $coro;	503	$EXT_CORO{$coro+0} = $coro;
390		504
391	$coro	505	$coro
392	}	506	}
393		507
394	sub write_runtime {	508	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		509
397	# first touch the runtime file to show we are still running:	510	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	511	process, returning the results. Everything must be serialisable with
		512	Coro::Storable. May, of course, block. Note that the executed sub may
		513	never block itself or use any form of event handling.
399		514
400	IO::AIO::aio_utime $runtime, undef, undef;	515	=cut
401		516
402	my $guard = cf::lock_acquire "write_runtime";	517	sub fork_call(&@) {
		518	my ($cb, @args) = @_;
403		519
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	520	# we seemingly have to make a local copy of the whole thing,
405	or return;	521	# otherwise perl prematurely frees the stuff :/
		522	# TODO: investigate and fix (likely this will be rather laborious)
406		523
407	my $value = $cf::RUNTIME + 90 + 10;	524	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	525	reset_signals;
409	# 60 allows for the watchdog to kill the server.	526	&$cb
		527	}, @args;
410		528
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	529	wantarray ? @res : $res[-1]
412	and return;	530	}
413		531
414	# always fsync - this file is important	532	=item $value = cf::db_get $family => $key
415	aio_fsync $fh
416	and return;
417		533
418	# touch it again to show we are up-to-date	534	Returns a single value from the environment database.
419	aio_utime $fh, undef, undef;
420		535
421	close $fh	536	=item cf::db_put $family => $key => $value
422	or return;
423		537
424	aio_rename "$runtime~", $runtime	538	Stores the given C<$value> in the family. It can currently store binary
425	and return;	539	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
426		540
427	warn "runtime file written.\n";#d#	541	=item $db = cf::db_table "name"
428		542
		543	Create and/or open a new database table. The string must not be "db" and must be unique
		544	within each server.
		545
		546	=cut
		547
		548	sub db_table($) {
		549	my ($name) = @_;
		550	my $db = BDB::db_create $DB_ENV;
		551
		552	eval {
		553	$db->set_flags (BDB::CHKSUM);
		554
		555	utf8::encode $name;
		556	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		557	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		558	cf::cleanup "db_open(db): $!" if $!;
		559	};
		560	cf::cleanup "db_open(db): $@" if $@;
		561
		562	$db
		563	}
		564
		565	our $DB;
		566
		567	sub db_init {
		568	cf::sync_job {
		569	$DB ||= db_table "db";
		570	};
		571	}
		572
		573	sub db_get($$) {
		574	my $key = "$_[0]/$_[1]";
		575
		576	cf::sync_job {
		577	BDB::db_get $DB, undef, $key, my $data;
		578
		579	$! ? ()
		580	: $data
429	1	581	}
		582	}
		583
		584	sub db_put($$$) {
		585	BDB::dbreq_pri 4;
		586	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		587	}
		588
		589	=item cf::cache $id => [$paths...], $processversion => $process
		590
		591	Generic caching function that returns the value of the resource $id,
		592	caching and regenerating as required.
		593
		594	This function can block.
		595
		596	=cut
		597
		598	sub cache {
		599	my ($id, $src, $processversion, $process) = @_;
		600
		601	my $meta =
		602	join "\x00",
		603	$processversion,
		604	map {
		605	aio_stat $_
		606	and Carp::croak "$_: $!";
		607
		608	($_, (stat _)[7,9])
		609	} @$src;
		610
		611	my $dbmeta = db_get cache => "$id/meta";
		612	if ($dbmeta ne $meta) {
		613	# changed, we may need to process
		614
		615	my @data;
		616	my $md5;
		617
		618	for (0 .. $#$src) {
		619	0 <= aio_load $src->[$_], $data[$_]
		620	or Carp::croak "$src->[$_]: $!";
		621	}
		622
		623	# if processing is expensive, check
		624	# checksum first
		625	if (1) {
		626	$md5 =
		627	join "\x00",
		628	$processversion,
		629	map {
		630	cf::cede_to_tick;
		631	($src->[$_], Digest::MD5::md5_hex $data[$_])
		632	} 0.. $#$src;
		633
		634
		635	my $dbmd5 = db_get cache => "$id/md5";
		636	if ($dbmd5 eq $md5) {
		637	db_put cache => "$id/meta", $meta;
		638
		639	return db_get cache => "$id/data";
		640	}
		641	}
		642
		643	my $t1 = Time::HiRes::time;
		644	my $data = $process->(\@data);
		645	my $t2 = Time::HiRes::time;
		646
		647	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		648
		649	db_put cache => "$id/data", $data;
		650	db_put cache => "$id/md5" , $md5;
		651	db_put cache => "$id/meta", $meta;
		652
		653	return $data;
		654	}
		655
		656	db_get cache => "$id/data"
430	}	657	}
431		658
432	=item cf::datalog type => key => value, ...	659	=item cf::datalog type => key => value, ...
433		660
434	Log a datalog packet of the given type with the given key-value pairs.	661	Log a datalog packet of the given type with the given key-value pairs.
…		…
452	attach callbacks/event handlers (a collection of which is called an "attachment")	679	attach callbacks/event handlers (a collection of which is called an "attachment")
453	to it. All such attachable objects support the following methods.	680	to it. All such attachable objects support the following methods.
454		681
455	In the following description, CLASS can be any of C<global>, C<object>	682	In the following description, CLASS can be any of C<global>, C<object>
456	C<player>, C<client> or C<map> (i.e. the attachable objects in	683	C<player>, C<client> or C<map> (i.e. the attachable objects in
457	crossfire+).	684	Deliantra).
458		685
459	=over 4	686	=over 4
460		687
461	=item $attachable->attach ($attachment, key => $value...)	688	=item $attachable->attach ($attachment, key => $value...)
462		689
…		…
664	_attach $registry, $klass, @attach;	891	_attach $registry, $klass, @attach;
665	}	892	}
666		893
667	$obj->{$name} = \%arg;	894	$obj->{$name} = \%arg;
668	} else {	895	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	896	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	897	}
671		898
672	$obj->{_attachment}{$name} = undef;	899	$obj->{_attachment}{$name} = undef;
673	}	900	}
674		901
…		…
714	";	941	";
715	die if $@;	942	die if $@;
716	}	943	}
717		944
718	our $override;	945	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	946	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		947
721	sub override {	948	sub override {
722	$override = 1;	949	$override = 1;
723	@invoke_results = ();	950	@INVOKE_RESULTS = (@_);
724	}	951	}
725		952
726	sub do_invoke {	953	sub do_invoke {
727	my $event = shift;	954	my $event = shift;
728	my $callbacks = shift;	955	my $callbacks = shift;
729		956
730	@invoke_results = ();	957	@INVOKE_RESULTS = ();
731		958
732	local $override;	959	local $override;
733		960
734	for (@$callbacks) {	961	for (@$callbacks) {
735	eval { &{$_->[1]} };	962	eval { &{$_->[1]} };
…		…
744	}	971	}
745		972
746	0	973	0
747	}	974	}
748		975
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		977
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	978	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		979
753	Generate an object-specific event with the given arguments.	980	Generate an object-specific event with the given arguments.
754		981
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	982	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	983	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	984	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		985
759	=back	986	=back
760		987
761	=cut	988	=cut
762		989
763	#############################################################################	990	#############################################################################
764	# object support	991	# object support
		992
		993	sub _object_equal($$);
		994	sub _object_equal($$) {
		995	my ($a, $b) = @_;
		996
		997	return 0 unless (ref $a) eq (ref $b);
		998
		999	if ("HASH" eq ref $a) {
		1000	my @ka = keys %$a;
		1001	my @kb = keys %$b;
		1002
		1003	return 0 if @ka != @kb;
		1004
		1005	for (0 .. $#ka) {
		1006	return 0 unless $ka[$_] eq $kb[$_];
		1007	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1008	}
		1009
		1010	} elsif ("ARRAY" eq ref $a) {
		1011
		1012	return 0 if @$a != @$b;
		1013
		1014	for (0 .. $#$a) {
		1015	return 0 unless _object_equal $a->[$_], $b->[$_];
		1016	}
		1017
		1018	} elsif ($a ne $b) {
		1019	return 0;
		1020	}
		1021
		1022	1
		1023	}
		1024
		1025	our $SLOW_MERGES;#d#
		1026	sub _can_merge {
		1027	my ($ob1, $ob2) = @_;
		1028
		1029	++$SLOW_MERGES;#d#
		1030
		1031	# we do the slow way here
		1032	return _object_equal $ob1, $ob2
		1033	}
765		1034
766	sub reattach {	1035	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1036	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1037	my ($obj) = @_;
769		1038
…		…
790	cf::attachable->attach (	1059	cf::attachable->attach (
791	prio => -1000000,	1060	prio => -1000000,
792	on_instantiate => sub {	1061	on_instantiate => sub {
793	my ($obj, $data) = @_;	1062	my ($obj, $data) = @_;
794		1063
795	$data = from_json $data;	1064	$data = decode_json $data;
796		1065
797	for (@$data) {	1066	for (@$data) {
798	my ($name, $args) = @$_;	1067	my ($name, $args) = @$_;
799		1068
800	$obj->attach ($name, %{$args || {} });	1069	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1085	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1086	my ($filename, $rdata, $objs) = @_;
818		1087
819	sync_job {	1088	sync_job {
820	if (length $$rdata) {	1089	if (length $$rdata) {
		1090	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1091	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1092	$decname, length $$rdata, scalar @$objs;
823		1093
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1095	chmod SAVE_MODE, $fh;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1097	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1098	close $fh;
829		1099
830	if (@$objs) {	1100	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1101	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1102	chmod SAVE_MODE, $fh;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1104	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1105	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1106	close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1107	aio_rename "$filename.pst~", "$filename.pst";
838	}	1108	}
…		…
846	}	1116	}
847	} else {	1117	} else {
848	aio_unlink $filename;	1118	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1119	aio_unlink "$filename.pst";
850	}	1120	}
851	}	1121	};
852	}	1122	}
853		1123
854	sub object_freezer_as_string {	1124	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1125	my ($rdata, $objs) = @_;
856		1126
…		…
868	or return;	1138	or return;
869		1139
870	unless (aio_stat "$filename.pst") {	1140	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1141	(aio_load "$filename.pst", $av) >= 0
872	or return;	1142	or return;
		1143
873	$av = eval { (Storable::thaw $av)->{objs} };	1144	my $st = eval { Coro::Storable::thaw $av };
		1145	$av = $st->{objs};
874	}	1146	}
875		1147
		1148	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1149	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1150	$decname, length $data, scalar @{$av || []};
		1151
878	return ($data, $av);	1152	($data, $av)
879	}	1153	}
		1154
		1155	=head2 COMMAND CALLBACKS
		1156
		1157	=over 4
		1158
		1159	=cut
880		1160
881	#############################################################################	1161	#############################################################################
882	# command handling &c	1162	# command handling &c
883		1163
884	=item cf::register_command $name => \&callback($ob,$args);	1164	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1177	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1178	}
899		1179
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1180	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1181
902	Register a callbackf ro execution when the client sends an extcmd packet.	1182	Register a callback for execution when the client sends an (synchronous)
		1183	extcmd packet. Ext commands will be processed in the order they are
		1184	received by the server, like other user commands. The first argument is
		1185	the logged-in player. Ext commands can only be processed after a player
		1186	has logged in successfully.
903		1187
904	If the callback returns something, it is sent back as if reply was being	1188	If the callback returns something, it is sent back as if reply was being
905	called.	1189	called.
906		1190
		1191	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1192
		1193	Register a callback for execution when the client sends an (asynchronous)
		1194	exticmd packet. Exti commands are processed by the server as soon as they
		1195	are received, i.e. out of order w.r.t. other commands. The first argument
		1196	is a client socket. Exti commands can be received anytime, even before
		1197	log-in.
		1198
		1199	If the callback returns something, it is sent back as if reply was being
		1200	called.
		1201
907	=cut	1202	=cut
908		1203
909	sub register_extcmd {	1204	sub register_extcmd {
910	my ($name, $cb) = @_;	1205	my ($name, $cb) = @_;
911		1206
912	$EXTCMD{$name} = $cb;	1207	$EXTCMD{$name} = $cb;
		1208	}
		1209
		1210	sub register_exticmd {
		1211	my ($name, $cb) = @_;
		1212
		1213	$EXTICMD{$name} = $cb;
913	}	1214	}
914		1215
915	cf::player->attach (	1216	cf::player->attach (
916	on_command => sub {	1217	on_command => sub {
917	my ($pl, $name, $params) = @_;	1218	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1227	cf::override;
927	},	1228	},
928	on_extcmd => sub {	1229	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1230	my ($pl, $buf) = @_;
930		1231
931	my $msg = eval { from_json $buf };	1232	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1233
933	if (ref $msg) {	1234	if (ref $msg) {
		1235	my ($type, $reply, @payload) =
		1236	"ARRAY" eq ref $msg
		1237	? @$msg
		1238	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1239
		1240	my @reply;
		1241
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1242	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1243	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1244	}
		1245
		1246	$pl->ext_reply ($reply, @reply)
		1247	if $reply;
		1248
939	} else {	1249	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1251	}
942		1252
943	cf::override;	1253	cf::override;
944	},	1254	},
945	);	1255	);
946		1256
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1257	sub load_extensions {
		1258	cf::sync_job {
		1259	my %todo;
		1260
982	for my $ext (<$LIBDIR/*.ext>) {	1261	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1262	next unless -r $path;
984	eval {	1263
985	load_extension $ext;	1264	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1265	my $base = $1;
		1266	my $pkg = $1;
		1267	$pkg =~ s/[^[:word:]]/_/g;
		1268	$pkg = "ext::$pkg";
		1269
		1270	open my $fh, "<:utf8", $path
		1271	or die "$path: $!";
		1272
		1273	my $source = do { local $/; <$fh> };
		1274
		1275	my %ext = (
		1276	path => $path,
		1277	base => $base,
		1278	pkg => $pkg,
		1279	);
		1280
		1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1283
		1284	$ext{source} =
		1285	"package $pkg; use strict; use utf8;\n"
		1286	. "#line 1 \"$path\"\n{\n"
		1287	. $source
		1288	. "\n};\n1";
		1289
		1290	$todo{$base} = \%ext;
		1291	}
		1292
		1293	my %done;
		1294	while (%todo) {
		1295	my $progress;
		1296
		1297	while (my ($k, $v) = each %todo) {
		1298	for (split /,\s*/, $v->{meta}{depends}) {
		1299	goto skip
		1300	unless exists $done{$_};
		1301	}
		1302
		1303	warn "... loading '$k' into '$v->{pkg}'\n";
		1304
		1305	unless (eval $v->{source}) {
		1306	my $msg = $@ ? "$v->{path}: $@\n"
		1307	: "$v->{base}: extension inactive.\n";
		1308
		1309	if (exists $v->{meta}{mandatory}) {
		1310	warn $msg;
		1311	warn "mandatory extension failed to load, exiting.\n";
		1312	exit 1;
		1313	}
		1314
		1315	warn $msg;
		1316	}
		1317
		1318	$done{$k} = delete $todo{$k};
		1319	push @EXTS, $v->{pkg};
		1320	$progress = 1;
986	1	1321	}
987	} or warn "$ext not loaded: $@";	1322
		1323	skip:
		1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1325	unless $progress;
		1326	}
988	}	1327	};
989	}	1328	}
990		1329
991	#############################################################################	1330	#############################################################################
992		1331
		1332	=back
		1333
993	=head2 CORE EXTENSIONS	1334	=head2 CORE EXTENSIONS
994		1335
995	Functions and methods that extend core crossfire objects.	1336	Functions and methods that extend core crossfire objects.
996		1337
997	=cut	1338	=cut
…		…
1001	use Coro::AIO;	1342	use Coro::AIO;
1002		1343
1003	=head3 cf::player	1344	=head3 cf::player
1004		1345
1005	=over 4	1346	=over 4
		1347
		1348	=item cf::player::num_playing
		1349
		1350	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1351
		1352	=cut
		1353
		1354	sub num_playing {
		1355	scalar grep
		1356	$_->ob->map
		1357	&& !$_->hidden
		1358	&& !$_->ob->flag (cf::FLAG_WIZ),
		1359	cf::player::list
		1360	}
1006		1361
1007	=item cf::player::find $login	1362	=item cf::player::find $login
1008		1363
1009	Returns the given player object, loading it if necessary (might block).	1364	Returns the given player object, loading it if necessary (might block).
1010		1365
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1401	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1402	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1403	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1404	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1405
1051	my $pl = load_pl path $login	1406	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1407	or return;
		1408
		1409	my $pl = cf::player::load_pl $f
		1410	or return;
		1411	local $cf::PLAYER_LOADING{$login} = $pl;
		1412	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1413	$cf::PLAYER{$login} = $pl
1054	}	1414	}
1055	}	1415	}
1056	}	1416	}
1057		1417
…		…
1067		1427
1068	aio_mkdir playerdir $pl, 0770;	1428	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1429	$pl->{last_save} = $cf::RUNTIME;
1070		1430
1071	$pl->save_pl ($path);	1431	$pl->save_pl ($path);
1072	Coro::cede;	1432	cf::cede_to_tick;
1073	}	1433	}
1074		1434
1075	sub new($) {	1435	sub new($) {
1076	my ($login) = @_;	1436	my ($login) = @_;
1077		1437
…		…
1081	$self->{deny_save} = 1;	1441	$self->{deny_save} = 1;
1082		1442
1083	$cf::PLAYER{$login} = $self;	1443	$cf::PLAYER{$login} = $self;
1084		1444
1085	$self	1445	$self
		1446	}
		1447
		1448	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1449
		1450	=cut
		1451
		1452	sub send_msg {
		1453	my $ns = shift->ns
		1454	or return;
		1455	$ns->send_msg (@_);
1086	}	1456	}
1087		1457
1088	=item $pl->quit_character	1458	=item $pl->quit_character
1089		1459
1090	Nukes the player without looking back. If logged in, the connection will	1460	Nukes the player without looking back. If logged in, the connection will
…		…
1145	or return [];	1515	or return [];
1146		1516
1147	my @logins;	1517	my @logins;
1148		1518
1149	for my $login (@$dirs) {	1519	for my $login (@$dirs) {
		1520	my $path = path $login;
		1521
		1522	# a .pst is a dead give-away for a valid player
		1523	unless (-e "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1525	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1526	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1527	}
1153		1528
1154	utf8::decode $login;	1529	utf8::decode $login;
1155	push @logins, $login;	1530	push @logins, $login;
1156	}	1531	}
1157		1532
…		…
1184	}	1559	}
1185		1560
1186	\@paths	1561	\@paths
1187	}	1562	}
1188		1563
		1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1565
		1566	Expand crossfire pod fragments into protocol xml.
		1567
		1568	=cut
		1569
		1570	use re 'eval';
		1571
		1572	my $group;
		1573	my $interior; $interior = qr{
		1574	# match a pod interior sequence sans C<< >>
		1575	(?:
		1576	\ (.*?)\ (?{ $group = $^N })
		1577	| < (??{$interior}) >
		1578	)
		1579	}x;
		1580
		1581	sub expand_cfpod {
		1582	my ($self, $pod) = @_;
		1583
		1584	my $xml;
		1585
		1586	while () {
		1587	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1588	$group = $1;
		1589
		1590	$group =~ s/&/&amp;/g;
		1591	$group =~ s/</&lt;/g;
		1592
		1593	$xml .= $group;
		1594	} elsif ($pod =~ m%\G
		1595	([BCGHITU])
		1596	<
		1597	(?:
		1598	([^<>]*) (?{ $group = $^N })
		1599	| < $interior >
		1600	)
		1601	>
		1602	%gcsx
		1603	) {
		1604	my ($code, $data) = ($1, $group);
		1605
		1606	if ($code eq "B") {
		1607	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1608	} elsif ($code eq "I") {
		1609	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1610	} elsif ($code eq "U") {
		1611	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1612	} elsif ($code eq "C") {
		1613	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1614	} elsif ($code eq "T") {
		1615	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1616	} elsif ($code eq "G") {
		1617	my ($male, $female) = split /\|/, $data;
		1618	$data = $self->gender ? $female : $male;
		1619	$xml .= expand_cfpod ($self, $data);
		1620	} elsif ($code eq "H") {
		1621	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1622	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1623	"")
		1624	[$self->{hintmode}];
		1625	} else {
		1626	$xml .= "error processing '$code($data)' directive";
		1627	}
		1628	} else {
		1629	if ($pod =~ /\G(.+)/) {
		1630	warn "parse error while expanding $pod (at $1)";
		1631	}
		1632	last;
		1633	}
		1634	}
		1635
		1636	for ($xml) {
		1637	# create single paragraphs (very hackish)
		1638	s/(?<=\S)\n(?=\w)/ /g;
		1639
		1640	# compress some whitespace
		1641	s/\s+\n/\n/g; # ws line-ends
		1642	s/\n\n+/\n/g; # double lines
		1643	s/^\n+//; # beginning lines
		1644	s/\n+$//; # ending lines
		1645	}
		1646
		1647	$xml
		1648	}
		1649
		1650	no re 'eval';
		1651
		1652	sub hintmode {
		1653	$_[0]{hintmode} = $_[1] if @_ > 1;
		1654	$_[0]{hintmode}
		1655	}
		1656
1189	=item $player->ext_reply ($msgid, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1190		1658
1191	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1192		1660
1193	=cut	1661	=cut
1194		1662
1195	sub ext_reply($$%) {	1663	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1197		1665
1198	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1667	}
1202		1668
1203	=item $player->ext_event ($type, %msg)	1669	=item $player->ext_msg ($type, @msg)
1204		1670
1205	Sends an ext event to the client.	1671	Sends an ext event to the client.
1206		1672
1207	=cut	1673	=cut
1208		1674
1209	sub ext_event($$%) {	1675	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1676	my ($self, $type, @msg) = @_;
1211		1677
1212	$self->ns->ext_event ($type, %msg);	1678	$self->ns->ext_msg ($type, @msg);
1213	}	1679	}
1214		1680
1215	=head3 cf::region	1681	=head3 cf::region
1216		1682
1217	=over 4	1683	=over 4
…		…
1220		1686
1221	package cf::region;	1687	package cf::region;
1222		1688
1223	=item cf::region::find_by_path $path	1689	=item cf::region::find_by_path $path
1224		1690
1225	Tries to decuce the probable region for a map knowing only its path.	1691	Tries to decuce the likely region for a map knowing only its path.
1226		1692
1227	=cut	1693	=cut
1228		1694
1229	sub find_by_path($) {	1695	sub find_by_path($) {
1230	my ($path) = @_;	1696	my ($path) = @_;
1231		1697
1232	my ($match, $specificity);	1698	my ($match, $specificity);
1233		1699
1234	for my $region (list) {	1700	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1701	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1702	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1703	if $region->specificity > $specificity;
1238	}	1704	}
1239	}	1705	}
1240		1706
…		…
1304	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1305		1771
1306	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1307	local $self->{path};	1773	local $self->{path};
1308	local $self->{load_path};	1774	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1775
1312	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1313	}	1777	}
1314		1778
1315	sub normalise {	1779	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1363	return $self;	1827	return $self;
1364	}	1828	}
1365	}	1829	}
1366		1830
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1832	()
1369	}	1833	}
1370		1834
1371	sub init {	1835	sub init {
1372	my ($self) = @_;	1836	my ($self) = @_;
…		…
1415		1879
1416	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1418	}	1882	}
1419		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1420	sub unlink_save {	1892	sub unlink_save {
1421	my ($self) = @_;	1893	my ($self) = @_;
1422		1894
1423	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1899
1428	sub load_header_from($) {	1900	sub load_header_from($) {
1429	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1430		1902
1431	utf8::encode $path;	1903	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1437		1912
1438	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1439		1914
1440	1	1915	1
1441	}	1916	}
…		…
1480	$self->load_header_orig	1955	$self->load_header_orig
1481	or return;	1956	or return;
1482	$self->prepare_orig;	1957	$self->prepare_orig;
1483	}	1958	}
1484		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
1485	$self->default_region (cf::region::find_by_path $self->{path})	1963	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1964	unless $self->default_region;
1487		1965
1488	1	1966	1
1489	}	1967	}
…		…
1492	sub find {	1970	sub find {
1493	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1494		1972
1495	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1496		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1498		1977
1499	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";	1979	my $guard1 = cf::lock_acquire "map_find:$path";
		1980	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1981
1501	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1502	or return;	1983	or return;
1503		1984
1504	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1505		1986
1506	$map->load_header	1987	$map->load_header
1507	or return;	1988	or return;
1508		1989
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard1;
		1994	undef $guard2;
1512	$map->reset;	1995	$map->reset;
1513	undef $guard;
1514	return find $path;	1996	return find $path;
1515	}	1997	}
1516		1998
1517	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1518	}	2000	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1528		2010
1529	my $path = $self->{path};	2011	my $path = $self->{path};
1530		2012
1531	{	2013	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1533		2015
		2016	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2018
1536	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1537		2020
1538	$self->alloc;	2021	$self->alloc;
1539		2022
1540	$self->pre_load;	2023	$self->pre_load;
1541	Coro::cede;	2024	cf::cede_to_tick;
1542		2025
		2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2028	$self->_load_objects ($f)
1544	or return;	2029	or return;
1545		2030
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547	if delete $self->{load_original};	2032	if delete $self->{load_original};
1548		2033
1549	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2035	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2038	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1554	}	2042	}
1555	}	2043	}
1556		2044
1557	Coro::cede;	2045	$f->resolve_delayed_derefs;
		2046
		2047	cf::cede_to_tick;
1558	# now do the right thing for maps	2048	# now do the right thing for maps
1559	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2051	unless $self->difficulty;
1562	Coro::cede;	2052	cf::cede_to_tick;
1563		2053
1564	unless ($self->{deny_activate}) {	2054	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2055	$self->decay_objects;
1566	$self->fix_auto_apply;	2056	$self->fix_auto_apply;
1567	$self->update_buttons;	2057	$self->update_buttons;
1568	Coro::cede;	2058	cf::cede_to_tick;
1569	$self->set_darkness_map;	2059	$self->set_darkness_map;
1570	Coro::cede;	2060	cf::cede_to_tick;
1571	$self->activate;	2061	$self->activate;
1572	}	2062	}
		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
1573		2066
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2067	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	2068	}
1576		2069
1577	$self->post_load;	2070	$self->post_load;
…		…
1581	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1582		2075
1583	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2077	if $self->per_player;
1585		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1586	$self	2082	$self
1587	}	2083	}
1588		2084
1589	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2086	sub load_neighbours {
1591	my ($map) = @_;	2087	my ($map) = @_;
1592		2088
1593	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1594		2090
1595	for (0 .. 3) {	2091	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1597	or next;	2093	or next;
1598	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1599	or next;	2095	or next;
1600	$neigh->load;	2096	$neigh->load;
1601		2097
		2098	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2101	}
1605		2102
1606	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1608	or next;	2106	or next;
1609	$neigh->load;	2107	$neigh->load;
1610	}	2108	}
1611	}	2109	}
1612		2110
…		…
1617	}	2115	}
1618		2116
1619	sub do_load_sync {	2117	sub do_load_sync {
1620	my ($map) = @_;	2118	my ($map) = @_;
1621		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1622	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1623	}	2124	}
1624		2125
1625	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1627		2128
1628	sub find_async {	2129	sub find_async {
1629	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1630		2131
1631	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1632		2133
1633	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635	}	2136	}
1636		2137
1637	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1638	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1639	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2145	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2146	$map->load if $v;
		2147	}
1644		2148
1645	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1646	}	2150	}
1647	}	2151	}
1648	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1649	};	2153	};
1650	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2157	}
1654		2158
1655	sub save {	2159	sub save {
1656	my ($self) = @_;	2160	my ($self) = @_;
1657		2161
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2163
1660	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1661		2165
1662	return unless $self->dirty;	2166	return unless $self->dirty;
1663		2167
…		…
1669	return if $self->{deny_save};	2173	return if $self->{deny_save};
1670		2174
1671	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1672		2176
1673	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1675	};	2180	};
1676		2181
1677	if ($uniq) {	2182	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1686	my ($self) = @_;	2191	my ($self) = @_;
1687		2192
1688	# save first because save cedes	2193	# save first because save cedes
1689	$self->save;	2194	$self->save;
1690		2195
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2196	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2197
1693	return if $self->players;	2198	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2199	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};	2200	return if $self->{deny_save};
1696		2201
		2202	$self->in_memory (cf::MAP_SWAPPED);
		2203
		2204	$self->deactivate;
		2205	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2206	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2207	}
1700		2208
1701	sub reset_at {	2209	sub reset_at {
1702	my ($self) = @_;	2210	my ($self) = @_;
1703		2211
1704	# TODO: safety, remove and allow resettable per-player maps	2212	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2213	return 1e99 if $self->{deny_reset};
1707		2214
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2217
…		…
1721	my ($self) = @_;	2228	my ($self) = @_;
1722		2229
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2231
1725	return if $self->players;	2232	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2233
1728	warn "resetting map ", $self->path;#d#	2234	warn "resetting map ", $self->path;
1729		2235
1730	$self->in_memory (cf::MAP_SWAPPED);	2236	$self->in_memory (cf::MAP_SWAPPED);
1731		2237
1732	# need to save uniques path	2238	# need to save uniques path
1733	unless ($self->{deny_save}) {	2239	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2243	if $uniq;
1738	}	2244	}
1739		2245
1740	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1741		2247
		2248	$self->deactivate;
		2249	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2250	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2251
1746	$self->unlink_save;	2252	$self->unlink_save;
1747	$self->destroy;	2253	$self->destroy;
1748	}	2254	}
1749		2255
1750	my $nuke_counter = "aaaa";	2256	my $nuke_counter = "aaaa";
1751		2257
1752	sub nuke {	2258	sub nuke {
1753	my ($self) = @_;	2259	my ($self) = @_;
1754		2260
		2261	{
		2262	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2263
1755	delete $cf::MAP{$self->path};	2264	delete $cf::MAP{$self->path};
1756		2265
1757	$self->unlink_save;	2266	$self->unlink_save;
1758		2267
1759	bless $self, "cf::map";	2268	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2269	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2270	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2271	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2273
1765	$cf::MAP{$self->path} = $self;	2274	$cf::MAP{$self->path} = $self;
		2275	}
1766		2276
1767	$self->reset; # polite request, might not happen	2277	$self->reset; # polite request, might not happen
		2278	}
		2279
		2280	=item $maps = cf::map::tmp_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	maps. May block.
		2284
		2285	=cut
		2286
		2287	sub tmp_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise $_
		2293	: ()
		2294	} @{ aio_readdir $TMPDIR or [] }
		2295	]
		2296	}
		2297
		2298	=item $maps = cf::map::random_maps
		2299
		2300	Returns an arrayref with all map paths of currently instantiated and saved
		2301	random maps. May block.
		2302
		2303	=cut
		2304
		2305	sub random_maps() {
		2306	[
		2307	map {
		2308	utf8::decode $_;
		2309	/\.map$/
		2310	? normalise "?random/$_"
		2311	: ()
		2312	} @{ aio_readdir $RANDOMDIR or [] }
		2313	]
1768	}	2314	}
1769		2315
1770	=item cf::map::unique_maps	2316	=item cf::map::unique_maps
1771		2317
1772	Returns an arrayref of paths of all shared maps that have	2318	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2319	instantiated unique items. May block.
1774		2320
1775	=cut	2321	=cut
1776		2322
1777	sub unique_maps() {	2323	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2324	[
1779	or return;	2325	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2326	utf8::decode $_;
1785	next if /\.pst$/;	2327	/\.map$/
1786	next unless /^$PATH_SEP/o;	2328	? normalise $_
1787		2329	: ()
1788	push @paths, cf::map::normalise $_;	2330	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2331	]
1790
1791	\@paths
1792	}	2332	}
1793		2333
1794	package cf;	2334	package cf;
1795		2335
1796	=back	2336	=back
…		…
1814	map { $_, inv_recursive_ $_->inv } @_	2354	map { $_, inv_recursive_ $_->inv } @_
1815	}	2355	}
1816		2356
1817	sub inv_recursive {	2357	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2358	inv_recursive_ inv $_[0]
		2359	}
		2360
		2361	=item $ref = $ob->ref
		2362
		2363	creates and returns a persistent reference to an objetc that can be stored as a string.
		2364
		2365	=item $ob = cf::object::deref ($refstring)
		2366
		2367	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2368	even if the object actually exists. May block.
		2369
		2370	=cut
		2371
		2372	sub deref {
		2373	my ($ref) = @_;
		2374
		2375	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2376	my ($uuid, $name) = ($1, $2);
		2377	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2378	or return;
		2379	$pl->ob->uuid eq $uuid
		2380	or return;
		2381
		2382	$pl->ob
		2383	} else {
		2384	warn "$ref: cannot resolve object reference\n";
		2385	undef
		2386	}
1819	}	2387	}
1820		2388
1821	package cf;	2389	package cf;
1822		2390
1823	=back	2391	=back
…		…
1842		2410
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2411	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2412
1845	if ($self->{record_replies}) {	2413	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2414	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2415
1847	} else {	2416	} else {
		2417	my $pl = $self->contr;
		2418
		2419	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2420	my $dialog = $pl->{npc_dialog};
		2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2422
		2423	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2424	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2425	$self->message ($msg, $flags);
		2426	}
1850	}	2427	}
		2428	}
		2429
		2430	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2431
		2432	=cut
		2433
		2434	sub cf::object::send_msg {
		2435	my $pl = shift->contr
		2436	or return;
		2437	$pl->send_msg (@_);
1851	}	2438	}
1852		2439
1853	=item $player_object->may ("access")	2440	=item $player_object->may ("access")
1854		2441
1855	Returns wether the given player is authorized to access resource "access"	2442	Returns wether the given player is authorized to access resource "access"
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1937		2524
1938	$map->load;	2525	$map->load;
1939	$map->load_diag;	2526	$map->load_neighbours;
1940		2527
1941	return unless $self->contr->active;	2528	return unless $self->contr->active;
1942	$self->activate_recursive;	2529	$self->activate_recursive;
1943		2530
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1946	}	2533	}
1947		2534
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949		2536
1950	Moves the player to the given map-path and coordinates by first freezing	2537	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2538	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2539	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2540	the new (success) or old (failed) map position. In either case, $done will
		2541	be called at the end of this process.
1954		2542
1955	=cut	2543	=cut
1956		2544
1957	our $GOTOGEN;	2545	our $GOTOGEN;
1958		2546
1959	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
1961		2549
1962	# do generation counting so two concurrent goto's will be executed in-order	2550	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2552
1965	$self->enter_link;	2553	$self->enter_link;
1966		2554
1967	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
1968	my $map = eval {	2577	my $map = eval {
1969	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
1970		2579
1971	if ($map) {	2580	if ($map) {
1972	$map = $map->customise_for ($self);	2581	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2582	$map = $check->($map) if $check && $map;
1974	} else {	2583	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2585	}
1977		2586
1978	$map	2587	$map
1979	};	2588	};
1980		2589
…		…
1985		2594
1986	if ($gen == $self->{_goto_generation}) {	2595	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2596	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
1989	}	2598	}
		2599
		2600	$done->() if $done;
1990	})->prio (1);	2601	})->prio (1);
1991	}	2602	}
1992		2603
1993	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1994		2605
…		…
2031	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
2032	}	2643	}
2033		2644
2034	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2035		2646
2036	my $data = cf::to_json $rmp;	2647	my $data = cf::encode_json $rmp;
2037	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2039		2650
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
…		…
2063	my $hp = $exit->stats->hp;	2674	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;	2675	my $sp = $exit->stats->sp;
2065		2676
2066	$self->enter_link;	2677	$self->enter_link;
2067		2678
		2679	# if exit is damned, update players death & WoR home-position
		2680	$self->contr->savebed ($slaying, $hp, $sp)
		2681	if $exit->flag (FLAG_DAMNED);
		2682
2068	(async {	2683	(async {
		2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2685
2069	$self->deactivate_recursive; # just to be sure	2686	$self->deactivate_recursive; # just to be sure
2070	unless (eval {	2687	unless (eval {
2071	$self->goto ($slaying, $hp, $sp);	2688	$self->goto ($slaying, $hp, $sp);
2072		2689
2073	1;	2690	1;
…		…
2099		2716
2100	utf8::encode $text;	2717	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2718	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2719	}
2103		2720
		2721	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2722
		2723	Send a drawinfo or msg packet to the client, formatting the msg for the
		2724	client if neccessary. C<$type> should be a string identifying the type of
		2725	the message, with C<log> being the default. If C<$color> is negative, suppress
		2726	the message unless the client supports the msg packet.
		2727
		2728	=cut
		2729
		2730	# non-persistent channels (usually the info channel)
		2731	our %CHANNEL = (
		2732	"c/identify" => {
		2733	id => "infobox",
		2734	title => "Identify",
		2735	reply => undef,
		2736	tooltip => "Items recently identified",
		2737	},
		2738	"c/examine" => {
		2739	id => "infobox",
		2740	title => "Examine",
		2741	reply => undef,
		2742	tooltip => "Signs and other items you examined",
		2743	},
		2744	"c/book" => {
		2745	id => "infobox",
		2746	title => "Book",
		2747	reply => undef,
		2748	tooltip => "The contents of a note or book",
		2749	},
		2750	"c/lookat" => {
		2751	id => "infobox",
		2752	title => "Look",
		2753	reply => undef,
		2754	tooltip => "What you saw there",
		2755	},
		2756	"c/who" => {
		2757	id => "infobox",
		2758	title => "Players",
		2759	reply => undef,
		2760	tooltip => "Shows players who are currently online",
		2761	},
		2762	"c/body" => {
		2763	id => "infobox",
		2764	title => "Body Parts",
		2765	reply => undef,
		2766	tooltip => "Shows which body parts you posess and are available",
		2767	},
		2768	"c/uptime" => {
		2769	id => "infobox",
		2770	title => "Uptime",
		2771	reply => undef,
		2772	tooltip => "How long the server has been running since last restart",
		2773	},
		2774	"c/mapinfo" => {
		2775	id => "infobox",
		2776	title => "Map Info",
		2777	reply => undef,
		2778	tooltip => "Information related to the maps",
		2779	},
		2780	);
		2781
		2782	sub cf::client::send_msg {
		2783	my ($self, $channel, $msg, $color, @extra) = @_;
		2784
		2785	$msg = $self->pl->expand_cfpod ($msg);
		2786
		2787	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2788
		2789	# check predefined channels, for the benefit of C
		2790	if ($CHANNEL{$channel}) {
		2791	$channel = $CHANNEL{$channel};
		2792
		2793	$self->ext_msg (channel_info => $channel)
		2794	if $self->can_msg;
		2795
		2796	$channel = $channel->{id};
		2797
		2798	} elsif (ref $channel) {
		2799	# send meta info to client, if not yet sent
		2800	unless (exists $self->{channel}{$channel->{id}}) {
		2801	$self->{channel}{$channel->{id}} = $channel;
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804	}
		2805
		2806	$channel = $channel->{id};
		2807	}
		2808
		2809	return unless @extra || length $msg;
		2810
		2811	if ($self->can_msg) {
		2812	# default colour, mask it out
		2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2814	if $color & cf::NDI_DEF;
		2815
		2816	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2818	} else {
		2819	if ($color >= 0) {
		2820	# replace some tags by gcfclient-compatible ones
		2821	for ($msg) {
		2822	1 while
		2823	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2824	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2825	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2826	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2827	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2828	}
		2829
		2830	$color &= cf::NDI_COLOR_MASK;
		2831
		2832	utf8::encode $msg;
		2833
		2834	if (0 && $msg =~ /\[/) {
		2835	# COMMAND/INFO
		2836	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2837	} else {
		2838	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2839	$self->send_packet ("drawinfo $color $msg")
		2840	}
		2841	}
		2842	}
		2843	}
		2844
2104	=item $client->ext_event ($type, %msg)	2845	=item $client->ext_msg ($type, @msg)
2105		2846
2106	Sends an exti event to the client.	2847	Sends an ext event to the client.
2107		2848
2108	=cut	2849	=cut
2109		2850
2110	sub cf::client::ext_event($$%) {	2851	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	2852	my ($self, $type, @msg) = @_;
2112		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2856	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	2857	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	2858	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2859	}
		2860	}
		2861
		2862	=item $client->ext_reply ($msgid, @msg)
		2863
		2864	Sends an ext reply to the client.
		2865
		2866	=cut
		2867
		2868	sub cf::client::ext_reply($$@) {
		2869	my ($self, $id, @msg) = @_;
		2870
		2871	if ($self->extcmd == 2) {
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2873	} elsif ($self->extcmd == 1) {
		2874	#TODO: version 1, remove
		2875	unshift @msg, msgtype => "reply", msgid => $id;
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2877	}
2115	}	2878	}
2116		2879
2117	=item $success = $client->query ($flags, "text", \&cb)	2880	=item $success = $client->query ($flags, "text", \&cb)
2118		2881
2119	Queues a query to the client, calling the given callback with	2882	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2883	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2884	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		2885
2123	Queries can fail, so check the return code. Or don't, as queries will become	2886	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	2887	become reliable at some point in the future.
2125		2888
2126	=cut	2889	=cut
2127		2890
2128	sub cf::client::query {	2891	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	2892	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	2900	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2901	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		2902
2140	$self->send_packet ($self->{query_queue}[0][0])	2903	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	2904	if @{ $self->{query_queue} } == 1;
		2905
		2906	1
2142	}	2907	}
2143		2908
2144	cf::client->attach (	2909	cf::client->attach (
		2910	on_connect => sub {
		2911	my ($ns) = @_;
		2912
		2913	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2914	},
2145	on_reply => sub {	2915	on_reply => sub {
2146	my ($ns, $msg) = @_;	2916	my ($ns, $msg) = @_;
2147		2917
2148	# this weird shuffling is so that direct followup queries	2918	# this weird shuffling is so that direct followup queries
2149	# get handled first	2919	# get handled first
…		…
2161	} else {	2931	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2932	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	2933	}
2164	}	2934	}
2165	},	2935	},
		2936	on_exticmd => sub {
		2937	my ($ns, $buf) = @_;
		2938
		2939	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2940
		2941	if (ref $msg) {
		2942	my ($type, $reply, @payload) =
		2943	"ARRAY" eq ref $msg
		2944	? @$msg
		2945	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2946
		2947	my @reply;
		2948
		2949	if (my $cb = $EXTICMD{$type}) {
		2950	@reply = $cb->($ns, @payload);
		2951	}
		2952
		2953	$ns->ext_reply ($reply, @reply)
		2954	if $reply;
		2955
		2956	} else {
		2957	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2958	}
		2959
		2960	cf::override;
		2961	},
2166	);	2962	);
2167		2963
2168	=item $client->async (\&cb)	2964	=item $client->async (\&cb)
2169		2965
2170	Create a new coroutine, running the specified callback. The coroutine will	2966	Create a new coroutine, running the specified callback. The coroutine will
…		…
2211	our $safe = new Safe "safe";	3007	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3008	our $safe_hole = new Safe::Hole;
2213		3009
2214	$SIG{FPE} = 'IGNORE';	3010	$SIG{FPE} = 'IGNORE';
2215		3011
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3012	$safe->permit_only (Opcode::opset qw(
		3013	:base_core :base_mem :base_orig :base_math
		3014	grepstart grepwhile mapstart mapwhile
		3015	sort time
		3016	));
2217		3017
2218	# here we export the classes and methods available to script code	3018	# here we export the classes and methods available to script code
2219		3019
2220	=pod	3020	=pod
2221		3021
2222	The following functions and methods are available within a safe environment:	3022	The following functions and methods are available within a safe environment:
2223		3023
2224	cf::object contr pay_amount pay_player map	3024	cf::object
		3025	contr pay_amount pay_player map x y force_find force_add destroy
		3026	insert remove name archname title slaying race decrease_ob_nr
		3027
2225	cf::object::player player	3028	cf::object::player
2226	cf::player peaceful	3029	player
2227	cf::map trigger	3030
		3031	cf::player
		3032	peaceful
		3033
		3034	cf::map
		3035	trigger
2228		3036
2229	=cut	3037	=cut
2230		3038
2231	for (	3039	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3041	insert remove inv name archname title slaying race
		3042	decrease_ob_nr destroy)],
2233	["cf::object::player" => qw(player)],	3043	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3044	["cf::player" => qw(peaceful)],
2235	["cf::map" => qw(trigger)],	3045	["cf::map" => qw(trigger)],
2236	) {	3046	) {
2237	no strict 'refs';	3047	no strict 'refs';
…		…
2308	=back	3118	=back
2309		3119
2310	=cut	3120	=cut
2311		3121
2312	#############################################################################	3122	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483
2484	#############################################################################
2485	# the server's init and main functions	3123	# the server's init and main functions
2486		3124
2487	sub load_facedata($) {	3125	sub load_facedata($) {
2488	my ($path) = @_;	3126	my ($path) = @_;
		3127
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
		3132	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489		3133
2490	warn "loading facedata from $path\n";	3134	warn "loading facedata from $path\n";
2491		3135
2492	my $facedata;	3136	my $facedata;
2493	0 < aio_load $path, $facedata	3137	0 < aio_load $path, $facedata
…		…
2496	$facedata = Coro::Storable::thaw $facedata;	3140	$facedata = Coro::Storable::thaw $facedata;
2497		3141
2498	$facedata->{version} == 2	3142	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3143	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3144
		3145	# patch in the exptable
		3146	$facedata->{resource}{"res/exp_table"} = {
		3147	type => FT_RSRC,
		3148	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3149	};
		3150	cf::cede_to_tick;
		3151
2501	{	3152	{
2502	my $faces = $facedata->{faceinfo};	3153	my $faces = $facedata->{faceinfo};
2503		3154
2504	while (my ($face, $info) = each %$faces) {	3155	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506	warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d#	3157
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3158	cf::face::set_visibility $idx, $info->{visibility};
		3159	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3162
		3163	cf::cede_to_tick;
2511	}	3164	}
2512		3165
2513	while (my ($face, $info) = each %$faces) {	3166	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3167	next unless $info->{smooth};
		3168
2515	my $idx = cf::face::find $face	3169	my $idx = cf::face::find $face
2516	or next;	3170	or next;
		3171
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3172	if (my $smooth = cf::face::find $info->{smooth}) {
		3173	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3174	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3175	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3176	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3177	}
2522	Coro::cede;	3178
		3179	cf::cede_to_tick;
2523	}	3180	}
2524	}	3181	}
2525		3182
2526	{	3183	{
2527	my $anims = $facedata->{animinfo};	3184	my $anims = $facedata->{animinfo};
2528		3185
2529	while (my ($anim, $info) = each %$anims) {	3186	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3187	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3188	cf::cede_to_tick;
2532	}	3189	}
2533		3190
2534	cf::anim::invalidate_all; # d'oh	3191	cf::anim::invalidate_all; # d'oh
2535	}	3192	}
2536		3193
		3194	{
		3195	# TODO: for gcfclient pleasure, we should give resources
		3196	# that gcfclient doesn't grok a >10000 face index.
		3197	my $res = $facedata->{resource};
		3198
		3199	while (my ($name, $info) = each %$res) {
		3200	if (defined $info->{type}) {
		3201	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3202	my $data;
		3203
		3204	if ($info->{type} & 1) {
		3205	# prepend meta info
		3206
		3207	my $meta = $enc->encode ({
		3208	name => $name,
		3209	%{ $info->{meta} || {} },
		3210	});
		3211
		3212	$data = pack "(w/a*)*", $meta, $info->{data};
		3213	} else {
		3214	$data = $info->{data};
		3215	}
		3216
		3217	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3218	cf::face::set_type $idx, $info->{type};
		3219	} else {
		3220	$RESOURCE{$name} = $info;
		3221	}
		3222
		3223	cf::cede_to_tick;
		3224	}
		3225	}
		3226
		3227	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3228
2537	1	3229	1
2538	}	3230	}
2539		3231
		3232	cf::global->attach (on_resource_update => sub {
		3233	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3234	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3235
		3236	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3237	my $sound = $soundconf->{compat}[$_]
		3238	or next;
		3239
		3240	my $face = cf::face::find "sound/$sound->[1]";
		3241	cf::sound::set $sound->[0] => $face;
		3242	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3243	}
		3244
		3245	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3246	my $face = cf::face::find "sound/$v";
		3247	cf::sound::set $k => $face;
		3248	}
		3249	}
		3250	});
		3251
		3252	register_exticmd fx_want => sub {
		3253	my ($ns, $want) = @_;
		3254
		3255	while (my ($k, $v) = each %$want) {
		3256	$ns->fx_want ($k, $v);
		3257	}
		3258	};
		3259
2540	sub reload_regions {	3260	sub reload_regions {
		3261	# HACK to clear player env face cache, we need some signal framework
		3262	# for this (global event?)
		3263	%ext::player_env::MUSIC_FACE_CACHE = ();
		3264
2541	load_resource_file "$MAPDIR/regions"	3265	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3266	or die "unable to load regions file\n";
		3267
		3268	for (cf::region::list) {
		3269	$_->{match} = qr/$_->{match}/
		3270	if exists $_->{match};
		3271	}
2543	}	3272	}
2544		3273
2545	sub reload_facedata {	3274	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3275	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3276	or die "unable to load facedata\n";
2548	}	3277	}
2549		3278
2550	sub reload_archetypes {	3279	sub reload_archetypes {
2551	load_resource_file "$DATADIR/archetypes"	3280	load_resource_file "$DATADIR/archetypes"
2552	or die "unable to load archetypes\n";	3281	or die "unable to load archetypes\n";
		3282	#d# NEED to laod twice to resolve forward references
		3283	# this really needs to be done in an extra post-pass
		3284	# (which needs to be synchronous, so solve it differently)
		3285	load_resource_file "$DATADIR/archetypes"
		3286	or die "unable to load archetypes\n";
2553	}	3287	}
2554		3288
2555	sub reload_treasures {	3289	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3290	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3291	or die "unable to load treasurelists\n";
…		…
2560	sub reload_resources {	3294	sub reload_resources {
2561	warn "reloading resource files...\n";	3295	warn "reloading resource files...\n";
2562		3296
2563	reload_regions;	3297	reload_regions;
2564	reload_facedata;	3298	reload_facedata;
		3299	#reload_archetypes;#d#
2565	reload_archetypes;	3300	reload_archetypes;
2566	reload_treasures;	3301	reload_treasures;
2567		3302
2568	warn "finished reloading resource files\n";	3303	warn "finished reloading resource files\n";
2569	}	3304	}
2570		3305
2571	sub init {	3306	sub init {
2572	reload_resources;	3307	reload_resources;
2573	}	3308	}
2574		3309
2575	sub cfg_load {	3310	sub reload_config {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3311	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3312	or return;
2578		3313
2579	local $/;	3314	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3315	*CFG = YAML::Load <$fh>;
2581		3316
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2583		3318
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3319	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3320	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2596	sub main {	3331	sub main {
2597	# we must not ever block the main coroutine	3332	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3333	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3335	(async {
2601	Event::one_event;	3336	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3337	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3338	})->prio (Coro::PRIO_MAX);
2603	};	3339	};
2604		3340
2605	cfg_load;	3341	reload_config;
2606	db_init;	3342	db_init;
2607	load_extensions;	3343	load_extensions;
2608		3344
2609	$TICK_WATCHER->start;	3345	$TICK_WATCHER->start;
		3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2610	Event::loop;	3347	EV::loop;
2611	}	3348	}
2612		3349
2613	#############################################################################	3350	#############################################################################
2614	# initialisation and cleanup	3351	# initialisation and cleanup
2615		3352
2616	# install some emergency cleanup handlers	3353	# install some emergency cleanup handlers
2617	BEGIN {	3354	BEGIN {
		3355	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3356	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3358	cf::cleanup "SIG$signal";
2626	},
2627	);	3359	};
		3360	}
		3361	}
		3362
		3363	sub write_runtime {
		3364	my $runtime = "$LOCALDIR/runtime";
		3365
		3366	# first touch the runtime file to show we are still running:
		3367	# the fsync below can take a very very long time.
		3368
		3369	IO::AIO::aio_utime $runtime, undef, undef;
		3370
		3371	my $guard = cf::lock_acquire "write_runtime";
		3372
		3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3374	or return;
		3375
		3376	my $value = $cf::RUNTIME + 90 + 10;
		3377	# 10 is the runtime save interval, for a monotonic clock
		3378	# 60 allows for the watchdog to kill the server.
		3379
		3380	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3381	and return;
		3382
		3383	# always fsync - this file is important
		3384	aio_fsync $fh
		3385	and return;
		3386
		3387	# touch it again to show we are up-to-date
		3388	aio_utime $fh, undef, undef;
		3389
		3390	close $fh
		3391	or return;
		3392
		3393	aio_rename "$runtime~", $runtime
		3394	and return;
		3395
		3396	warn "runtime file written.\n";
		3397
2628	}	3398	1
2629	}	3399	}
2630		3400
2631	sub emergency_save() {	3401	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3402	my $freeze_guard = cf::freeze_mainloop;
2633		3403
…		…
2639	# and maps saved/destroyed asynchronously.	3409	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3410	warn "begin emergency player save\n";
2641	for my $login (keys %cf::PLAYER) {	3411	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3412	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3413	$pl->valid or next;
		3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3415	$pl->save;
2645	}	3416	}
2646	warn "end emergency player save\n";	3417	warn "end emergency player save\n";
2647		3418
2648	warn "begin emergency map save\n";	3419	warn "begin emergency map save\n";
…		…
2687	warn "syncing database to disk";	3458	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;	3459	BDB::db_env_txn_checkpoint $DB_ENV;
2689		3460
2690	# if anything goes wrong in here, we should simply crash as we already saved	3461	# if anything goes wrong in here, we should simply crash as we already saved
2691		3462
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";	3463	warn "flushing outstanding aio requests";
2698	for (;;) {	3464	for (;;) {
2699	BDB::flush;	3465	BDB::flush;
2700	IO::AIO::flush;	3466	IO::AIO::flush;
2701	Coro::cede;	3467	Coro::cede_notself;
2702	last unless IO::AIO::nreqs || BDB::nreqs;	3468	last unless IO::AIO::nreqs || BDB::nreqs;
2703	warn "iterate...";	3469	warn "iterate...";
2704	}	3470	}
2705		3471
2706	++$RELOAD;	3472	++$RELOAD;
…		…
2710	%EXT_CORO = ();	3476	%EXT_CORO = ();
2711		3477
2712	warn "removing commands";	3478	warn "removing commands";
2713	%COMMAND = ();	3479	%COMMAND = ();
2714		3480
2715	warn "removing ext commands";	3481	warn "removing ext/exti commands";
2716	%EXTCMD = ();	3482	%EXTCMD = ();
		3483	%EXTICMD = ();
2717		3484
2718	warn "unloading/nuking all extensions";	3485	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	3486	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	3487	warn "... unloading $pkg";
2721		3488
…		…
2764	warn "reloading cf.pm";	3531	warn "reloading cf.pm";
2765	require cf;	3532	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2767		3534
2768	warn "loading config and database again";	3535	warn "loading config and database again";
2769	cf::cfg_load;	3536	cf::reload_config;
2770		3537
2771	warn "loading extensions";	3538	warn "loading extensions";
2772	cf::load_extensions;	3539	cf::load_extensions;
2773		3540
2774	warn "reattaching attachments to objects/players";	3541	warn "reattaching attachments to objects/players";
…		…
2794		3561
2795	sub reload_perl() {	3562	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	3563	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	3564	# coro crashes during coro_state_free->destroy here.
2798		3565
2799	$RELOAD_WATCHER ||= Event->timer (	3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2800	reentrant => 0,
2801	after => 0,
2802	data => WF_AUTOCANCEL,
2803	cb => sub {
2804	do_reload_perl;
2805	undef $RELOAD_WATCHER;	3567	undef $RELOAD_WATCHER;
2806	},	3568	do_reload_perl;
2807	);	3569	};
2808	}	3570	}
2809		3571
2810	register_command "reload" => sub {	3572	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	3573	my ($who, $arg) = @_;
2812		3574
2813	if ($who->flag (FLAG_WIZ)) {	3575	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	3576	$who->message ("reloading server.");
		3577	async {
		3578	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	3579	reload_perl;
		3580	};
2816	}	3581	}
2817	};	3582	};
2818		3583
2819	unshift @INC, $LIBDIR;	3584	unshift @INC, $LIBDIR;
2820		3585
…		…
2839	my $signal = new Coro::Signal;	3604	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	3605	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	3606	$signal->wait;
2842	}	3607	}
2843		3608
2844	my $min = 1e6;#d#	3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	3610	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	3612	unless ++$bug_warning > 10;
2856	return;	3613	return;
2857	}	3614	}
2858		3615
2859	$NOW = $tick_start = Event::time;	3616	$NOW = $tick_start = EV::now;
2860		3617
2861	cf::server_tick; # one server iteration	3618	cf::server_tick; # one server iteration
2862		3619
2863	0 && sync_job {#d#	3620	$RUNTIME += $TICK;
2864	for(1..10) {	3621	$NEXT_TICK = $_[0]->at;
2865	my $t = Event::time;
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2867	or die;
2868		3622
2869	$map->width (50);	3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2870	$map->height (50);	3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2871	$map->alloc;	3625	Coro::async_pool {
2872	$map->_load_objects ("/tmp/x.map", 1);	3626	$Coro::current->{desc} = "runtime saver";
2873	my $t = Event::time - $t;	3627	write_runtime
2874		3628	or warn "ERROR: unable to write runtime file: $!";
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	3629	};
		3630	}
2885		3631
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	3633	$sig->send;
2902	}	3634	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	3635	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	3636	$sig->send;
2905	}	3637	}
2906		3638
2907	$NOW = Event::time;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;	3639	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		3641
2918	_post_tick;	3642	_post_tick;
2919		3643	};
2920		3644	$TICK_WATCHER->priority (EV::MAXPRI);
2921	},
2922	);
2923		3645
2924	{	3646	{
2925	BDB::max_poll_time $TICK * 0.1;	3647	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	3648
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	3649	BDB::min_parallel 8;
2935		3650	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	3651	$Coro::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		3652
2951	unless ($DB_ENV) {	3653	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		3659
2954	cf::sync_job {	3660	cf::sync_job {
2955	eval {	3661	eval {
2956	BDB::db_env_open	3662	BDB::db_env_open
2957	$DB_ENV,	3663	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	3667	0666;
2962		3668
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	3670	};
2968		3671
2969	cf::cleanup "db_env_open(db): $@" if $@;	3672	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	3673	};
2971	}	3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
2972	}	3685	}
2973		3686
2974	{	3687	{
		3688	# configure IO::AIO
		3689
2975	IO::AIO::min_parallel 8;	3690	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	3692	$Coro::AIO::WATCHER->priority (1);
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	3693	}
2988		3694
2989	my $_log_backtrace;	3695	my $_log_backtrace;
2990		3696
2991	sub _log_backtrace {	3697	sub _log_backtrace {
…		…
2995		3701
2996	# limit the # of concurrent backtraces	3702	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	3703	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	3704	++$_log_backtrace;
2999	async {	3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
3000	my @bt = fork_call {	3708	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	3709	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	3712	or die "addr2line: $!";

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