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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.270 by root, Sat May 26 15:44:06 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	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	515	=cut
401	utime undef, undef, $fh;	516
		517	sub fork_call(&@) {
		518	my ($cb, @args) = @_;
		519
		520	# we seemingly have to make a local copy of the whole thing,
		521	# otherwise perl prematurely frees the stuff :/
		522	# TODO: investigate and fix (likely this will be rather laborious)
		523
		524	my @res = Coro::Util::fork_eval {
		525	reset_signals;
		526	&$cb
		527	}, @args;
		528
		529	wantarray ? @res : $res[-1]
		530	}
		531
		532	=item $value = cf::db_get $family => $key
		533
		534	Returns a single value from the environment database.
		535
		536	=item cf::db_put $family => $key => $value
		537
		538	Stores the given C<$value> in the family. It can currently store binary
		539	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		540
		541	=item $db = cf::db_table "name"
		542
		543	Create and/or open a new database table. The string must not be "db" and must be unique
		544	within each server.
		545
		546	=cut
		547
		548	sub db_table($) {
		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 $!;
402	}	559	};
		560	cf::cleanup "db_open(db): $@" if $@;
403		561
404	my $guard = cf::lock_acquire "write_runtime";	562	$db
		563	}
405		564
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	565	our $DB;
407	or return;
408		566
409	my $value = $cf::RUNTIME + 90 + 10;	567	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	568	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	569	$DB ||= db_table "db";
		570	};
		571	}
412		572
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	573	sub db_get($$) {
414	and return;	574	my $key = "$_[0]/$_[1]";
415		575
416	# always fsync - this file is important	576	cf::sync_job {
417	aio_fsync $fh	577	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		578
420	# touch it again to show we are up-to-date	579	$! ? ()
421	utime undef, undef, $fh;	580	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	581	}
		582	}
		583
		584	sub db_put($$$) {
		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"
432	}	657	}
433		658
434	=item cf::datalog type => key => value, ...	659	=item cf::datalog type => key => value, ...
435		660
436	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.
…		…
454	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")
455	to it. All such attachable objects support the following methods.	680	to it. All such attachable objects support the following methods.
456		681
457	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>
458	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
459	crossfire+).	684	Deliantra).
460		685
461	=over 4	686	=over 4
462		687
463	=item $attachable->attach ($attachment, key => $value...)	688	=item $attachable->attach ($attachment, key => $value...)
464		689
…		…
666	_attach $registry, $klass, @attach;	891	_attach $registry, $klass, @attach;
667	}	892	}
668		893
669	$obj->{$name} = \%arg;	894	$obj->{$name} = \%arg;
670	} else {	895	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	896	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	897	}
673		898
674	$obj->{_attachment}{$name} = undef;	899	$obj->{_attachment}{$name} = undef;
675	}	900	}
676		901
…		…
716	";	941	";
717	die if $@;	942	die if $@;
718	}	943	}
719		944
720	our $override;	945	our $override;
721	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?
722		947
723	sub override {	948	sub override {
724	$override = 1;	949	$override = 1;
725	@invoke_results = ();	950	@INVOKE_RESULTS = (@_);
726	}	951	}
727		952
728	sub do_invoke {	953	sub do_invoke {
729	my $event = shift;	954	my $event = shift;
730	my $callbacks = shift;	955	my $callbacks = shift;
731		956
732	@invoke_results = ();	957	@INVOKE_RESULTS = ();
733		958
734	local $override;	959	local $override;
735		960
736	for (@$callbacks) {	961	for (@$callbacks) {
737	eval { &{$_->[1]} };	962	eval { &{$_->[1]} };
…		…
746	}	971	}
747		972
748	0	973	0
749	}	974	}
750		975
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		977
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	978	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		979
755	Generate an object-specific event with the given arguments.	980	Generate an object-specific event with the given arguments.
756		981
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	984	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		985
761	=back	986	=back
762		987
763	=cut	988	=cut
764		989
765	#############################################################################	990	#############################################################################
766	# 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, $ob2
		1033	}
767		1034
768	sub reattach {	1035	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1036	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1037	my ($obj) = @_;
771		1038
…		…
792	cf::attachable->attach (	1059	cf::attachable->attach (
793	prio => -1000000,	1060	prio => -1000000,
794	on_instantiate => sub {	1061	on_instantiate => sub {
795	my ($obj, $data) = @_;	1062	my ($obj, $data) = @_;
796		1063
797	$data = from_json $data;	1064	$data = decode_json $data;
798		1065
799	for (@$data) {	1066	for (@$data) {
800	my ($name, $args) = @$_;	1067	my ($name, $args) = @$_;
801		1068
802	$obj->attach ($name, %{$args || {} });	1069	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1085	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1086	my ($filename, $rdata, $objs) = @_;
820		1087
821	sync_job {	1088	sync_job {
822	if (length $$rdata) {	1089	if (length $$rdata) {
		1090	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1091	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1092	$decname, length $$rdata, scalar @$objs;
825		1093
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1095	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1097	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1098	close $fh;
831		1099
832	if (@$objs) {	1100	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1102	chmod SAVE_MODE, $fh;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1104	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1105	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1106	close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1107	aio_rename "$filename.pst~", "$filename.pst";
840	}	1108	}
…		…
848	}	1116	}
849	} else {	1117	} else {
850	aio_unlink $filename;	1118	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1119	aio_unlink "$filename.pst";
852	}	1120	}
853	}	1121	};
854	}	1122	}
855		1123
856	sub object_freezer_as_string {	1124	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1125	my ($rdata, $objs) = @_;
858		1126
…		…
870	or return;	1138	or return;
871		1139
872	unless (aio_stat "$filename.pst") {	1140	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1141	(aio_load "$filename.pst", $av) >= 0
874	or return;	1142	or return;
		1143
875	$av = eval { (Storable::thaw $av)->{objs} };	1144	my $st = eval { Coro::Storable::thaw $av };
		1145	$av = $st->{objs};
876	}	1146	}
877		1147
		1148	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1149	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1150	$decname, length $data, scalar @{$av || []};
		1151
880	return ($data, $av);	1152	($data, $av)
881	}	1153	}
		1154
		1155	=head2 COMMAND CALLBACKS
		1156
		1157	=over 4
		1158
		1159	=cut
882		1160
883	#############################################################################	1161	#############################################################################
884	# command handling &c	1162	# command handling &c
885		1163
886	=item cf::register_command $name => \&callback($ob,$args);	1164	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1177	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1178	}
901		1179
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1180	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1181
904	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.
905		1187
906	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
907	called.	1189	called.
908		1190
		1191	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1192
		1193	Register a callback for execution when the client sends an (asynchronous)
		1194	exticmd packet. Exti commands are processed by the server as soon as they
		1195	are received, i.e. out of order w.r.t. other commands. The first argument
		1196	is a client socket. Exti commands can be received anytime, even before
		1197	log-in.
		1198
		1199	If the callback returns something, it is sent back as if reply was being
		1200	called.
		1201
909	=cut	1202	=cut
910		1203
911	sub register_extcmd {	1204	sub register_extcmd {
912	my ($name, $cb) = @_;	1205	my ($name, $cb) = @_;
913		1206
914	$EXTCMD{$name} = $cb;	1207	$EXTCMD{$name} = $cb;
		1208	}
		1209
		1210	sub register_exticmd {
		1211	my ($name, $cb) = @_;
		1212
		1213	$EXTICMD{$name} = $cb;
915	}	1214	}
916		1215
917	cf::player->attach (	1216	cf::player->attach (
918	on_command => sub {	1217	on_command => sub {
919	my ($pl, $name, $params) = @_;	1218	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1227	cf::override;
929	},	1228	},
930	on_extcmd => sub {	1229	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1230	my ($pl, $buf) = @_;
932		1231
933	my $msg = eval { from_json $buf };	1232	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1233
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1242	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1243	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1244	}
		1245
		1246	$pl->ext_reply ($reply, @reply)
		1247	if $reply;
		1248
941	} else {	1249	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1251	}
944		1252
945	cf::override;	1253	cf::override;
946	},	1254	},
947	);	1255	);
948		1256
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1257	sub load_extensions {
		1258	cf::sync_job {
		1259	my %todo;
		1260
984	for my $ext (<$LIBDIR/*.ext>) {	1261	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1262	next unless -r $path;
986	eval {	1263
987	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	$progress = 1;
988	1	1321	}
989	} or warn "$ext not loaded: $@";	1322
		1323	skip:
		1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1325	unless $progress;
		1326	}
990	}	1327	};
991	}	1328	}
992		1329
993	#############################################################################	1330	#############################################################################
994		1331
		1332	=back
		1333
995	=head2 CORE EXTENSIONS	1334	=head2 CORE EXTENSIONS
996		1335
997	Functions and methods that extend core crossfire objects.	1336	Functions and methods that extend core crossfire objects.
998		1337
999	=cut	1338	=cut
…		…
1003	use Coro::AIO;	1342	use Coro::AIO;
1004		1343
1005	=head3 cf::player	1344	=head3 cf::player
1006		1345
1007	=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	}
1008		1361
1009	=item cf::player::find $login	1362	=item cf::player::find $login
1010		1363
1011	Returns the given player object, loading it if necessary (might block).	1364	Returns the given player object, loading it if necessary (might block).
1012		1365
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1401	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1402	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1403	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1404	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1405
1053	my $pl = load_pl path $login	1406	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1413	$cf::PLAYER{$login} = $pl
1056	}	1414	}
1057	}	1415	}
1058	}	1416	}
1059		1417
…		…
1069		1427
1070	aio_mkdir playerdir $pl, 0770;	1428	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1429	$pl->{last_save} = $cf::RUNTIME;
1072		1430
1073	$pl->save_pl ($path);	1431	$pl->save_pl ($path);
1074	Coro::cede;	1432	cf::cede_to_tick;
1075	}	1433	}
1076		1434
1077	sub new($) {	1435	sub new($) {
1078	my ($login) = @_;	1436	my ($login) = @_;
1079		1437
…		…
1083	$self->{deny_save} = 1;	1441	$self->{deny_save} = 1;
1084		1442
1085	$cf::PLAYER{$login} = $self;	1443	$cf::PLAYER{$login} = $self;
1086		1444
1087	$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 (@_);
1088	}	1456	}
1089		1457
1090	=item $pl->quit_character	1458	=item $pl->quit_character
1091		1459
1092	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
…		…
1147	or return [];	1515	or return [];
1148		1516
1149	my @logins;	1517	my @logins;
1150		1518
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1525	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1526	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1527	}
1155		1528
1156	utf8::decode $login;	1529	utf8::decode $login;
1157	push @logins, $login;	1530	push @logins, $login;
1158	}	1531	}
1159		1532
…		…
1186	}	1559	}
1187		1560
1188	\@paths	1561	\@paths
1189	}	1562	}
1190		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
1191	=item $player->ext_reply ($msgid, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1192		1658
1193	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1194		1660
1195	=cut	1661	=cut
1196		1662
1197	sub ext_reply($$%) {	1663	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1199		1665
1200	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1667	}
1204		1668
1205	=item $player->ext_event ($type, %msg)	1669	=item $player->ext_msg ($type, @msg)
1206		1670
1207	Sends an ext event to the client.	1671	Sends an ext event to the client.
1208		1672
1209	=cut	1673	=cut
1210		1674
1211	sub ext_event($$%) {	1675	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1676	my ($self, $type, @msg) = @_;
1213		1677
1214	$self->ns->ext_event ($type, %msg);	1678	$self->ns->ext_msg ($type, @msg);
1215	}	1679	}
1216		1680
1217	=head3 cf::region	1681	=head3 cf::region
1218		1682
1219	=over 4	1683	=over 4
…		…
1222		1686
1223	package cf::region;	1687	package cf::region;
1224		1688
1225	=item cf::region::find_by_path $path	1689	=item cf::region::find_by_path $path
1226		1690
1227	Tries to decuce the probable region for a map knowing only its path.	1691	Tries to decuce the likely region for a map knowing only its path.
1228		1692
1229	=cut	1693	=cut
1230		1694
1231	sub find_by_path($) {	1695	sub find_by_path($) {
1232	my ($path) = @_;	1696	my ($path) = @_;
1233		1697
1234	my ($match, $specificity);	1698	my ($match, $specificity);
1235		1699
1236	for my $region (list) {	1700	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1701	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1702	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1703	if $region->specificity > $specificity;
1240	}	1704	}
1241	}	1705	}
1242		1706
…		…
1306	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1307		1771
1308	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1309	local $self->{path};	1773	local $self->{path};
1310	local $self->{load_path};	1774	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1775
1314	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1315	}	1777	}
1316		1778
1317	sub normalise {	1779	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1365	return $self;	1827	return $self;
1366	}	1828	}
1367	}	1829	}
1368		1830
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1832	()
1371	}	1833	}
1372		1834
1373	sub init {	1835	sub init {
1374	my ($self) = @_;	1836	my ($self) = @_;
…		…
1417		1879
1418	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1420	}	1882	}
1421		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1422	sub unlink_save {	1892	sub unlink_save {
1423	my ($self) = @_;	1893	my ($self) = @_;
1424		1894
1425	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1899
1430	sub load_header_from($) {	1900	sub load_header_from($) {
1431	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1432		1902
1433	utf8::encode $path;	1903	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	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;
1439		1912
1440	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1441		1914
1442	1	1915	1
1443	}	1916	}
…		…
1482	$self->load_header_orig	1955	$self->load_header_orig
1483	or return;	1956	or return;
1484	$self->prepare_orig;	1957	$self->prepare_orig;
1485	}	1958	}
1486		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
1487	$self->default_region (cf::region::find_by_path $self->{path})	1963	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1964	unless $self->default_region;
1489		1965
1490	1	1966	1
1491	}	1967	}
…		…
1494	sub find {	1970	sub find {
1495	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1496		1972
1497	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1498		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1500		1977
1501	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
1502	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
1503	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1504	or return;	1983	or return;
1505		1984
1506	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1507		1986
1508	$map->load_header	1987	$map->load_header
1509	or return;	1988	or return;
1510		1989
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard1;
		1994	undef $guard2;
1514	$map->reset;	1995	$map->reset;
1515	undef $guard;
1516	return find $path;	1996	return find $path;
1517	}	1997	}
1518		1998
1519	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1520	}	2000	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1530		2010
1531	my $path = $self->{path};	2011	my $path = $self->{path};
1532		2012
1533	{	2013	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1535		2015
		2016	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2018
1538	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1539		2020
1540	$self->alloc;	2021	$self->alloc;
1541		2022
1542	$self->pre_load;	2023	$self->pre_load;
1543	Coro::cede;	2024	cf::cede_to_tick;
1544		2025
		2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2028	$self->_load_objects ($f)
1546	or return;	2029	or return;
1547		2030
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	2032	if delete $self->{load_original};
1550		2033
1551	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2035	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2038	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1556	}	2042	}
1557	}	2043	}
1558		2044
1559	Coro::cede;	2045	$f->resolve_delayed_derefs;
		2046
		2047	cf::cede_to_tick;
1560	# now do the right thing for maps	2048	# now do the right thing for maps
1561	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2051	unless $self->difficulty;
1564	Coro::cede;	2052	cf::cede_to_tick;
1565		2053
1566	unless ($self->{deny_activate}) {	2054	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2055	$self->decay_objects;
1568	$self->fix_auto_apply;	2056	$self->fix_auto_apply;
1569	$self->update_buttons;	2057	$self->update_buttons;
1570	Coro::cede;	2058	cf::cede_to_tick;
1571	$self->set_darkness_map;	2059	$self->set_darkness_map;
1572	Coro::cede;	2060	cf::cede_to_tick;
1573	$self->activate;	2061	$self->activate;
1574	}	2062	}
		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
1575		2066
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2067	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	2068	}
1578		2069
1579	$self->post_load;	2070	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1584		2075
1585	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2077	if $self->per_player;
1587		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1588	$self	2082	$self
1589	}	2083	}
1590		2084
1591	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2086	sub load_neighbours {
1593	my ($map) = @_;	2087	my ($map) = @_;
1594		2088
1595	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1596		2090
1597	for (0 .. 3) {	2091	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1599	or next;	2093	or next;
1600	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1601	or next;	2095	or next;
1602	$neigh->load;	2096	$neigh->load;
1603		2097
		2098	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2101	}
1607		2102
1608	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1610	or next;	2106	or next;
1611	$neigh->load;	2107	$neigh->load;
1612	}	2108	}
1613	}	2109	}
1614		2110
…		…
1619	}	2115	}
1620		2116
1621	sub do_load_sync {	2117	sub do_load_sync {
1622	my ($map) = @_;	2118	my ($map) = @_;
1623		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1624	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1625	}	2124	}
1626		2125
1627	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1629		2128
1630	sub find_async {	2129	sub find_async {
1631	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1632		2131
1633	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1634		2133
1635	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2136	}
1638		2137
1639	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1640	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1641	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2145	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2146	$map->load if $v;
		2147	}
1646		2148
1647	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1648	}	2150	}
1649	}	2151	}
1650	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1651	};	2153	};
1652	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2157	}
1656		2158
1657	sub save {	2159	sub save {
1658	my ($self) = @_;	2160	my ($self) = @_;
1659		2161
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2163
1662	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1663		2165
1664	return unless $self->dirty;	2166	return unless $self->dirty;
1665		2167
…		…
1671	return if $self->{deny_save};	2173	return if $self->{deny_save};
1672		2174
1673	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1674		2176
1675	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1677	};	2180	};
1678		2181
1679	if ($uniq) {	2182	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1688	my ($self) = @_;	2191	my ($self) = @_;
1689		2192
1690	# save first because save cedes	2193	# save first because save cedes
1691	$self->save;	2194	$self->save;
1692		2195
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2196	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2197
1695	return if $self->players;	2198	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2199	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2200	return if $self->{deny_save};
1698		2201
		2202	$self->in_memory (cf::MAP_SWAPPED);
		2203
		2204	$self->deactivate;
		2205	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2206	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2207	}
1702		2208
1703	sub reset_at {	2209	sub reset_at {
1704	my ($self) = @_;	2210	my ($self) = @_;
1705		2211
1706	# TODO: safety, remove and allow resettable per-player maps	2212	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2213	return 1e99 if $self->{deny_reset};
1709		2214
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2217
…		…
1723	my ($self) = @_;	2228	my ($self) = @_;
1724		2229
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2231
1727	return if $self->players;	2232	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2233
1730	warn "resetting map ", $self->path;#d#	2234	warn "resetting map ", $self->path;
1731		2235
1732	$self->in_memory (cf::MAP_SWAPPED);	2236	$self->in_memory (cf::MAP_SWAPPED);
1733		2237
1734	# need to save uniques path	2238	# need to save uniques path
1735	unless ($self->{deny_save}) {	2239	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2243	if $uniq;
1740	}	2244	}
1741		2245
1742	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1743		2247
		2248	$self->deactivate;
		2249	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2250	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2251
1748	$self->unlink_save;	2252	$self->unlink_save;
1749	$self->destroy;	2253	$self->destroy;
1750	}	2254	}
1751		2255
1752	my $nuke_counter = "aaaa";	2256	my $nuke_counter = "aaaa";
1753		2257
1754	sub nuke {	2258	sub nuke {
1755	my ($self) = @_;	2259	my ($self) = @_;
1756		2260
		2261	{
		2262	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2263
1757	delete $cf::MAP{$self->path};	2264	delete $cf::MAP{$self->path};
1758		2265
1759	$self->unlink_save;	2266	$self->unlink_save;
1760		2267
1761	bless $self, "cf::map";	2268	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2269	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2270	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2271	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2273
1767	$cf::MAP{$self->path} = $self;	2274	$cf::MAP{$self->path} = $self;
		2275	}
1768		2276
1769	$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	]
1770	}	2314	}
1771		2315
1772	=item cf::map::unique_maps	2316	=item cf::map::unique_maps
1773		2317
1774	Returns an arrayref of paths of all shared maps that have	2318	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2319	instantiated unique items. May block.
1776		2320
1777	=cut	2321	=cut
1778		2322
1779	sub unique_maps() {	2323	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2324	[
1781	or return;	2325	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2326	utf8::decode $_;
1787	next if /\.pst$/;	2327	/\.map$/
1788	next unless /^$PATH_SEP/o;	2328	? normalise $_
1789		2329	: ()
1790	push @paths, cf::map::normalise $_;	2330	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2331	]
1792
1793	\@paths
1794	}	2332	}
1795		2333
1796	package cf;	2334	package cf;
1797		2335
1798	=back	2336	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2354	map { $_, inv_recursive_ $_->inv } @_
1817	}	2355	}
1818		2356
1819	sub inv_recursive {	2357	sub inv_recursive {
1820	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	}
1821	}	2387	}
1822		2388
1823	package cf;	2389	package cf;
1824		2390
1825	=back	2391	=back
…		…
1844		2410
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2411	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2412
1847	if ($self->{record_replies}) {	2413	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2414	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2415
1849	} 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 {
1850	$msg = $npc->name . " says: $msg" if $npc;	2424	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2425	$self->message ($msg, $flags);
		2426	}
1852	}	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 (@_);
1853	}	2438	}
1854		2439
1855	=item $player_object->may ("access")	2440	=item $player_object->may ("access")
1856		2441
1857	Returns wether the given player is authorized to access resource "access"	2442	Returns wether the given player is authorized to access resource "access"
…		…
1936	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1937	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1938	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1939		2524
1940	$map->load;	2525	$map->load;
1941	$map->load_diag;	2526	$map->load_neighbours;
1942		2527
1943	return unless $self->contr->active;	2528	return unless $self->contr->active;
1944	$self->activate_recursive;	2529	$self->activate_recursive;
1945		2530
1946	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1947	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1948	}	2533	}
1949		2534
1950	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1951		2536
1952	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
1953	her, loading and preparing them map, calling the provided $check callback	2538	her, loading and preparing them map, calling the provided $check callback
1954	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
1955	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.
1956		2542
1957	=cut	2543	=cut
1958		2544
1959	our $GOTOGEN;	2545	our $GOTOGEN;
1960		2546
1961	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y, $check) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
1963		2549
1964	# 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
1965	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1966		2552
1967	$self->enter_link;	2553	$self->enter_link;
1968		2554
1969	(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
1970	my $map = eval {	2577	my $map = eval {
1971	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
1972		2579
1973	if ($map) {	2580	if ($map) {
1974	$map = $map->customise_for ($self);	2581	$map = $map->customise_for ($self);
1975	$map = $check->($map) if $check && $map;	2582	$map = $check->($map) if $check && $map;
1976	} else {	2583	} else {
1977	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1978	}	2585	}
1979		2586
1980	$map	2587	$map
1981	};	2588	};
1982		2589
…		…
1987		2594
1988	if ($gen == $self->{_goto_generation}) {	2595	if ($gen == $self->{_goto_generation}) {
1989	delete $self->{_goto_generation};	2596	delete $self->{_goto_generation};
1990	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
1991	}	2598	}
		2599
		2600	$done->() if $done;
1992	})->prio (1);	2601	})->prio (1);
1993	}	2602	}
1994		2603
1995	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1996		2605
…		…
2033	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
2034	}	2643	}
2035		2644
2036	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2037		2646
2038	my $data = cf::to_json $rmp;	2647	my $data = cf::encode_json $rmp;
2039	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2040	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2041		2650
2042	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2043	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
…		…
2065	my $hp = $exit->stats->hp;	2674	my $hp = $exit->stats->hp;
2066	my $sp = $exit->stats->sp;	2675	my $sp = $exit->stats->sp;
2067		2676
2068	$self->enter_link;	2677	$self->enter_link;
2069		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
2070	(async {	2683	(async {
		2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2685
2071	$self->deactivate_recursive; # just to be sure	2686	$self->deactivate_recursive; # just to be sure
2072	unless (eval {	2687	unless (eval {
2073	$self->goto ($slaying, $hp, $sp);	2688	$self->goto ($slaying, $hp, $sp);
2074		2689
2075	1;	2690	1;
…		…
2101		2716
2102	utf8::encode $text;	2717	utf8::encode $text;
2103	$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);
2104	}	2719	}
2105		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
2106	=item $client->ext_event ($type, %msg)	2845	=item $client->ext_msg ($type, @msg)
2107		2846
2108	Sends an exti event to the client.	2847	Sends an ext event to the client.
2109		2848
2110	=cut	2849	=cut
2111		2850
2112	sub cf::client::ext_event($$%) {	2851	sub cf::client::ext_msg($$@) {
2113	my ($self, $type, %msg) = @_;	2852	my ($self, $type, @msg) = @_;
2114		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2856	} elsif ($self->extcmd == 1) { # TODO: remove
2115	$msg{msgtype} = "event_$type";	2857	push @msg, msgtype => "event_$type";
2116	$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	}
2117	}	2878	}
2118		2879
2119	=item $success = $client->query ($flags, "text", \&cb)	2880	=item $success = $client->query ($flags, "text", \&cb)
2120		2881
2121	Queues a query to the client, calling the given callback with	2882	Queues a query to the client, calling the given callback with
2122	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>,
2123	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>.
2124		2885
2125	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
2126	reliable at some point in the future.	2887	become reliable at some point in the future.
2127		2888
2128	=cut	2889	=cut
2129		2890
2130	sub cf::client::query {	2891	sub cf::client::query {
2131	my ($self, $flags, $text, $cb) = @_;	2892	my ($self, $flags, $text, $cb) = @_;
…		…
2139	utf8::encode $text;	2900	utf8::encode $text;
2140	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2901	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2141		2902
2142	$self->send_packet ($self->{query_queue}[0][0])	2903	$self->send_packet ($self->{query_queue}[0][0])
2143	if @{ $self->{query_queue} } == 1;	2904	if @{ $self->{query_queue} } == 1;
		2905
		2906	1
2144	}	2907	}
2145		2908
2146	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	},
2147	on_reply => sub {	2915	on_reply => sub {
2148	my ($ns, $msg) = @_;	2916	my ($ns, $msg) = @_;
2149		2917
2150	# this weird shuffling is so that direct followup queries	2918	# this weird shuffling is so that direct followup queries
2151	# get handled first	2919	# get handled first
…		…
2163	} else {	2931	} else {
2164	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2932	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2165	}	2933	}
2166	}	2934	}
2167	},	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	},
2168	);	2962	);
2169		2963
2170	=item $client->async (\&cb)	2964	=item $client->async (\&cb)
2171		2965
2172	Create a new coroutine, running the specified callback. The coroutine will	2966	Create a new coroutine, running the specified callback. The coroutine will
…		…
2213	our $safe = new Safe "safe";	3007	our $safe = new Safe "safe";
2214	our $safe_hole = new Safe::Hole;	3008	our $safe_hole = new Safe::Hole;
2215		3009
2216	$SIG{FPE} = 'IGNORE';	3010	$SIG{FPE} = 'IGNORE';
2217		3011
2218	$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	));
2219		3017
2220	# here we export the classes and methods available to script code	3018	# here we export the classes and methods available to script code
2221		3019
2222	=pod	3020	=pod
2223		3021
2224	The following functions and methods are available within a safe environment:	3022	The following functions and methods are available within a safe environment:
2225		3023
2226	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
2227	cf::object::player player	3028	cf::object::player
2228	cf::player peaceful	3029	player
2229	cf::map trigger	3030
		3031	cf::player
		3032	peaceful
		3033
		3034	cf::map
		3035	trigger
2230		3036
2231	=cut	3037	=cut
2232		3038
2233	for (	3039	for (
2234	["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)],
2235	["cf::object::player" => qw(player)],	3043	["cf::object::player" => qw(player)],
2236	["cf::player" => qw(peaceful)],	3044	["cf::player" => qw(peaceful)],
2237	["cf::map" => qw(trigger)],	3045	["cf::map" => qw(trigger)],
2238	) {	3046	) {
2239	no strict 'refs';	3047	no strict 'refs';
…		…
2310	=back	3118	=back
2311		3119
2312	=cut	3120	=cut
2313		3121
2314	#############################################################################	3122	#############################################################################
2315
2316	=head2 EXTENSION DATABASE SUPPORT
2317
2318	Crossfire maintains a very simple database for extension use. It can
2319	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2320	convert to/from binary).
2321
2322	The parameter C<$family> should best start with the name of the extension
2323	using it, it should be unique.
2324
2325	=over 4
2326
2327	=item $value = cf::db_get $family => $key
2328
2329	Returns a single value from the database.
2330
2331	=item cf::db_put $family => $key => $value
2332
2333	Stores the given C<$value> in the family.
2334
2335	=cut
2336
2337	our $DB;
2338
2339	sub db_init {
2340	unless ($DB) {
2341	$DB = BDB::db_create $DB_ENV;
2342
2343	cf::sync_job {
2344	eval {
2345	$DB->set_flags (BDB::CHKSUM);
2346
2347	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2348	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2349	cf::cleanup "db_open(db): $!" if $!;
2350	};
2351	cf::cleanup "db_open(db): $@" if $@;
2352	};
2353	}
2354	}
2355
2356	sub db_get($$) {
2357	my $key = "$_[0]/$_[1]";
2358
2359	cf::sync_job {
2360	BDB::db_get $DB, undef, $key, my $data;
2361
2362	$! ? ()
2363	: $data
2364	}
2365	}
2366
2367	sub db_put($$$) {
2368	BDB::dbreq_pri 4;
2369	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2370	}
2371
2372	=item cf::cache $id => [$paths...], $processversion => $process
2373
2374	Generic caching function that returns the value of the resource $id,
2375	caching and regenerating as required.
2376
2377	This function can block.
2378
2379	=cut
2380
2381	sub cache {
2382	my ($id, $src, $processversion, $process) = @_;
2383
2384	my $meta =
2385	join "\x00",
2386	$processversion,
2387	map {
2388	aio_stat $_
2389	and Carp::croak "$_: $!";
2390
2391	($_, (stat _)[7,9])
2392	} @$src;
2393
2394	my $dbmeta = db_get cache => "$id/meta";
2395	if ($dbmeta ne $meta) {
2396	# changed, we may need to process
2397
2398	my @data;
2399	my $md5;
2400
2401	for (0 .. $#$src) {
2402	0 <= aio_load $src->[$_], $data[$_]
2403	or Carp::croak "$src->[$_]: $!";
2404	}
2405
2406	# if processing is expensive, check
2407	# checksum first
2408	if (1) {
2409	$md5 =
2410	join "\x00",
2411	$processversion,
2412	map {
2413	Coro::cede;
2414	($src->[$_], Digest::MD5::md5_hex $data[$_])
2415	} 0.. $#$src;
2416
2417
2418	my $dbmd5 = db_get cache => "$id/md5";
2419	if ($dbmd5 eq $md5) {
2420	db_put cache => "$id/meta", $meta;
2421
2422	return db_get cache => "$id/data";
2423	}
2424	}
2425
2426	my $t1 = Time::HiRes::time;
2427	my $data = $process->(\@data);
2428	my $t2 = Time::HiRes::time;
2429
2430	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2431
2432	db_put cache => "$id/data", $data;
2433	db_put cache => "$id/md5" , $md5;
2434	db_put cache => "$id/meta", $meta;
2435
2436	return $data;
2437	}
2438
2439	db_get cache => "$id/data"
2440	}
2441
2442	=item fork_call { }, $args
2443
2444	Executes the given code block with the given arguments in a seperate
2445	process, returning the results. Everything must be serialisable with
2446	Coro::Storable. May, of course, block. Note that the executed sub may
2447	never block itself or use any form of Event handling.
2448
2449	=cut
2450
2451	sub fork_call(&@) {
2452	my ($cb, @args) = @_;
2453
2454	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2455	# or die "socketpair: $!";
2456	pipe my $fh1, my $fh2
2457	or die "pipe: $!";
2458
2459	if (my $pid = fork) {
2460	close $fh2;
2461
2462	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2463	$res = Coro::Storable::thaw $res;
2464
2465	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2466
2467	die $$res unless "ARRAY" eq ref $res;
2468
2469	return wantarray ? @$res : $res->[-1];
2470	} else {
2471	reset_signals;
2472	local $SIG{__WARN__};
2473	local $SIG{__DIE__};
2474	eval {
2475	close $fh1;
2476
2477	my @res = eval { $cb->(@args) };
2478	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2479	};
2480
2481	warn $@ if $@;
2482	_exit 0;
2483	}
2484	}
2485
2486
2487
2488	#############################################################################
2489	# the server's init and main functions	3123	# the server's init and main functions
2490		3124
2491	sub load_facedata($) {	3125	sub load_facedata($) {
2492	my ($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;
2493		3133
2494	warn "loading facedata from $path\n";	3134	warn "loading facedata from $path\n";
2495		3135
2496	my $facedata;	3136	my $facedata;
2497	0 < aio_load $path, $facedata	3137	0 < aio_load $path, $facedata
…		…
2500	$facedata = Coro::Storable::thaw $facedata;	3140	$facedata = Coro::Storable::thaw $facedata;
2501		3141
2502	$facedata->{version} == 2	3142	$facedata->{version} == 2
2503	or cf::cleanup "$path: version mismatch, cannot proceed.";	3143	or cf::cleanup "$path: version mismatch, cannot proceed.";
2504		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
2505	{	3152	{
2506	my $faces = $facedata->{faceinfo};	3153	my $faces = $facedata->{faceinfo};
2507		3154
2508	while (my ($face, $info) = each %$faces) {	3155	while (my ($face, $info) = each %$faces) {
2509	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3157
2510	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3158	cf::face::set_visibility $idx, $info->{visibility};
		3159	cf::face::set_magicmap $idx, $info->{magicmap};
2511	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2512	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2513	Coro::cede;	3162
		3163	cf::cede_to_tick;
2514	}	3164	}
2515		3165
2516	while (my ($face, $info) = each %$faces) {	3166	while (my ($face, $info) = each %$faces) {
2517	next unless $info->{smooth};	3167	next unless $info->{smooth};
		3168
2518	my $idx = cf::face::find $face	3169	my $idx = cf::face::find $face
2519	or next;	3170	or next;
		3171
2520	if (my $smooth = cf::face::find $info->{smooth}) {	3172	if (my $smooth = cf::face::find $info->{smooth}) {
		3173	cf::face::set_smooth $idx, $smooth;
2521	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3174	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2522	} else {	3175	} else {
2523	warn "smooth face '$info->{smooth}' not found for face '$face'";	3176	warn "smooth face '$info->{smooth}' not found for face '$face'";
2524	}	3177	}
2525	Coro::cede;	3178
		3179	cf::cede_to_tick;
2526	}	3180	}
2527	}	3181	}
2528		3182
2529	{	3183	{
2530	my $anims = $facedata->{animinfo};	3184	my $anims = $facedata->{animinfo};
2531		3185
2532	while (my ($anim, $info) = each %$anims) {	3186	while (my ($anim, $info) = each %$anims) {
2533	cf::anim::set $anim, $info->{frames}, $info->{facings};	3187	cf::anim::set $anim, $info->{frames}, $info->{facings};
2534	Coro::cede;	3188	cf::cede_to_tick;
2535	}	3189	}
2536		3190
2537	cf::anim::invalidate_all; # d'oh	3191	cf::anim::invalidate_all; # d'oh
2538	}	3192	}
2539		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
2540	1	3229	1
2541	}	3230	}
2542		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, $v);
		3257	}
		3258	};
		3259
2543	sub reload_regions {	3260	sub reload_regions {
		3261	# HACK to clear player env face cache, we need some signal framework
		3262	# for this (global event?)
		3263	%ext::player_env::MUSIC_FACE_CACHE = ();
		3264
2544	load_resource_file "$MAPDIR/regions"	3265	load_resource_file "$MAPDIR/regions"
2545	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 $_->{match};
		3271	}
2546	}	3272	}
2547		3273
2548	sub reload_facedata {	3274	sub reload_facedata {
2549	load_facedata "$DATADIR/facedata"	3275	load_facedata "$DATADIR/facedata"
2550	or die "unable to load facedata\n";	3276	or die "unable to load facedata\n";
2551	}	3277	}
2552		3278
2553	sub reload_archetypes {	3279	sub reload_archetypes {
2554	load_resource_file "$DATADIR/archetypes"	3280	load_resource_file "$DATADIR/archetypes"
2555	or die "unable to load archetypes\n";	3281	or die "unable to load archetypes\n";
		3282	#d# NEED to laod twice to resolve forward references
		3283	# this really needs to be done in an extra post-pass
		3284	# (which needs to be synchronous, so solve it differently)
		3285	load_resource_file "$DATADIR/archetypes"
		3286	or die "unable to load archetypes\n";
2556	}	3287	}
2557		3288
2558	sub reload_treasures {	3289	sub reload_treasures {
2559	load_resource_file "$DATADIR/treasures"	3290	load_resource_file "$DATADIR/treasures"
2560	or die "unable to load treasurelists\n";	3291	or die "unable to load treasurelists\n";
…		…
2563	sub reload_resources {	3294	sub reload_resources {
2564	warn "reloading resource files...\n";	3295	warn "reloading resource files...\n";
2565		3296
2566	reload_regions;	3297	reload_regions;
2567	reload_facedata;	3298	reload_facedata;
		3299	#reload_archetypes;#d#
2568	reload_archetypes;	3300	reload_archetypes;
2569	reload_treasures;	3301	reload_treasures;
2570		3302
2571	warn "finished reloading resource files\n";	3303	warn "finished reloading resource files\n";
2572	}	3304	}
2573		3305
2574	sub init {	3306	sub init {
2575	reload_resources;	3307	reload_resources;
2576	}	3308	}
2577		3309
2578	sub cfg_load {	3310	sub reload_config {
2579	open my $fh, "<:utf8", "$CONFDIR/config"	3311	open my $fh, "<:utf8", "$CONFDIR/config"
2580	or return;	3312	or return;
2581		3313
2582	local $/;	3314	local $/;
2583	*CFG = YAML::Syck::Load <$fh>;	3315	*CFG = YAML::Load <$fh>;
2584		3316
2585	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2586		3318
2587	$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};
2588	$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};
…		…
2599	sub main {	3331	sub main {
2600	# we must not ever block the main coroutine	3332	# we must not ever block the main coroutine
2601	local $Coro::idle = sub {	3333	local $Coro::idle = sub {
2602	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#
2603	(async {	3335	(async {
2604	Event::one_event;	3336	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3337	EV::loop EV::LOOP_ONESHOT;
2605	})->prio (Coro::PRIO_MAX);	3338	})->prio (Coro::PRIO_MAX);
2606	};	3339	};
2607		3340
2608	cfg_load;	3341	reload_config;
2609	db_init;	3342	db_init;
2610	load_extensions;	3343	load_extensions;
2611		3344
2612	$TICK_WATCHER->start;	3345	$TICK_WATCHER->start;
		3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2613	Event::loop;	3347	EV::loop;
2614	}	3348	}
2615		3349
2616	#############################################################################	3350	#############################################################################
2617	# initialisation and cleanup	3351	# initialisation and cleanup
2618		3352
2619	# install some emergency cleanup handlers	3353	# install some emergency cleanup handlers
2620	BEGIN {	3354	BEGIN {
		3355	our %SIGWATCHER = ();
2621	for my $signal (qw(INT HUP TERM)) {	3356	for my $signal (qw(INT HUP TERM)) {
2622	Event->signal (	3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2623	reentrant => 0,
2624	data => WF_AUTOCANCEL,
2625	signal => $signal,
2626	prio => 0,
2627	cb => sub {
2628	cf::cleanup "SIG$signal";	3358	cf::cleanup "SIG$signal";
2629	},
2630	);	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
2631	}	3398	1
2632	}	3399	}
2633		3400
2634	sub emergency_save() {	3401	sub emergency_save() {
2635	my $freeze_guard = cf::freeze_mainloop;	3402	my $freeze_guard = cf::freeze_mainloop;
2636		3403
…		…
2642	# and maps saved/destroyed asynchronously.	3409	# and maps saved/destroyed asynchronously.
2643	warn "begin emergency player save\n";	3410	warn "begin emergency player save\n";
2644	for my $login (keys %cf::PLAYER) {	3411	for my $login (keys %cf::PLAYER) {
2645	my $pl = $cf::PLAYER{$login} or next;	3412	my $pl = $cf::PLAYER{$login} or next;
2646	$pl->valid or next;	3413	$pl->valid or next;
		3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2647	$pl->save;	3415	$pl->save;
2648	}	3416	}
2649	warn "end emergency player save\n";	3417	warn "end emergency player save\n";
2650		3418
2651	warn "begin emergency map save\n";	3419	warn "begin emergency map save\n";
…		…
2690	warn "syncing database to disk";	3458	warn "syncing database to disk";
2691	BDB::db_env_txn_checkpoint $DB_ENV;	3459	BDB::db_env_txn_checkpoint $DB_ENV;
2692		3460
2693	# 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
2694		3462
2695	warn "cancelling all WF_AUTOCANCEL watchers";
2696	for (Event::all_watchers) {
2697	$_->cancel if $_->data & WF_AUTOCANCEL;
2698	}
2699
2700	warn "flushing outstanding aio requests";	3463	warn "flushing outstanding aio requests";
2701	for (;;) {	3464	for (;;) {
2702	BDB::flush;	3465	BDB::flush;
2703	IO::AIO::flush;	3466	IO::AIO::flush;
2704	Coro::cede;	3467	Coro::cede_notself;
2705	last unless IO::AIO::nreqs || BDB::nreqs;	3468	last unless IO::AIO::nreqs || BDB::nreqs;
2706	warn "iterate...";	3469	warn "iterate...";
2707	}	3470	}
2708		3471
2709	++$RELOAD;	3472	++$RELOAD;
…		…
2713	%EXT_CORO = ();	3476	%EXT_CORO = ();
2714		3477
2715	warn "removing commands";	3478	warn "removing commands";
2716	%COMMAND = ();	3479	%COMMAND = ();
2717		3480
2718	warn "removing ext commands";	3481	warn "removing ext/exti commands";
2719	%EXTCMD = ();	3482	%EXTCMD = ();
		3483	%EXTICMD = ();
2720		3484
2721	warn "unloading/nuking all extensions";	3485	warn "unloading/nuking all extensions";
2722	for my $pkg (@EXTS) {	3486	for my $pkg (@EXTS) {
2723	warn "... unloading $pkg";	3487	warn "... unloading $pkg";
2724		3488
…		…
2767	warn "reloading cf.pm";	3531	warn "reloading cf.pm";
2768	require cf;	3532	require cf;
2769	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2770		3534
2771	warn "loading config and database again";	3535	warn "loading config and database again";
2772	cf::cfg_load;	3536	cf::reload_config;
2773		3537
2774	warn "loading extensions";	3538	warn "loading extensions";
2775	cf::load_extensions;	3539	cf::load_extensions;
2776		3540
2777	warn "reattaching attachments to objects/players";	3541	warn "reattaching attachments to objects/players";
…		…
2797		3561
2798	sub reload_perl() {	3562	sub reload_perl() {
2799	# doing reload synchronously and two reloads happen back-to-back,	3563	# doing reload synchronously and two reloads happen back-to-back,
2800	# coro crashes during coro_state_free->destroy here.	3564	# coro crashes during coro_state_free->destroy here.
2801		3565
2802	$RELOAD_WATCHER ||= Event->timer (	3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2803	reentrant => 0,
2804	after => 0,
2805	data => WF_AUTOCANCEL,
2806	cb => sub {
2807	do_reload_perl;
2808	undef $RELOAD_WATCHER;	3567	undef $RELOAD_WATCHER;
2809	},	3568	do_reload_perl;
2810	);	3569	};
2811	}	3570	}
2812		3571
2813	register_command "reload" => sub {	3572	register_command "reload" => sub {
2814	my ($who, $arg) = @_;	3573	my ($who, $arg) = @_;
2815		3574
2816	if ($who->flag (FLAG_WIZ)) {	3575	if ($who->flag (FLAG_WIZ)) {
2817	$who->message ("reloading server.");	3576	$who->message ("reloading server.");
		3577	async {
		3578	$Coro::current->{desc} = "perl_reload";
2818	async { reload_perl };	3579	reload_perl;
		3580	};
2819	}	3581	}
2820	};	3582	};
2821		3583
2822	unshift @INC, $LIBDIR;	3584	unshift @INC, $LIBDIR;
2823		3585
…		…
2842	my $signal = new Coro::Signal;	3604	my $signal = new Coro::Signal;
2843	push @WAIT_FOR_TICK_BEGIN, $signal;	3605	push @WAIT_FOR_TICK_BEGIN, $signal;
2844	$signal->wait;	3606	$signal->wait;
2845	}	3607	}
2846		3608
2847	my $min = 1e6;#d#	3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2848	my $avg = 10;
2849	$TICK_WATCHER = Event->timer (
2850	reentrant => 0,
2851	parked => 1,
2852	prio => 0,
2853	at => $NEXT_TICK || $TICK,
2854	data => WF_AUTOCANCEL,
2855	cb => sub {
2856	if ($Coro::current != $Coro::main) {	3610	if ($Coro::current != $Coro::main) {
2857	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2858	unless ++$bug_warning > 10;	3612	unless ++$bug_warning > 10;
2859	return;	3613	return;
2860	}	3614	}
2861		3615
2862	$NOW = $tick_start = Event::time;	3616	$NOW = $tick_start = EV::now;
2863		3617
2864	cf::server_tick; # one server iteration	3618	cf::server_tick; # one server iteration
2865		3619
2866	0 && sync_job {#d#	3620	$RUNTIME += $TICK;
2867	for(1..10) {	3621	$NEXT_TICK = $_[0]->at;
2868	my $t = Event::time;
2869	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2870	or die;
2871		3622
2872	$map->width (50);	3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2873	$map->height (50);	3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2874	$map->alloc;	3625	Coro::async_pool {
2875	$map->_load_objects ("/tmp/x.map", 1);	3626	$Coro::current->{desc} = "runtime saver";
2876	my $t = Event::time - $t;	3627	write_runtime
2877		3628	or warn "ERROR: unable to write runtime file: $!";
2878	#next unless $t < 0.0013;#d#
2879	if ($t < $min) {
2880	$min = $t;
2881	}
2882	$avg = $avg * 0.99 + $t * 0.01;
2883	}
2884	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2885	exit 0;
2886	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2887	};	3629	};
		3630	}
2888		3631
2889	$RUNTIME += $TICK;
2890	$NEXT_TICK += $TICK;
2891
2892	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2893	$NEXT_RUNTIME_WRITE = $NOW + 10;
2894	Coro::async_pool {
2895	write_runtime
2896	or warn "ERROR: unable to write runtime file: $!";
2897	};
2898	}
2899
2900	# my $AFTER = Event::time;
2901	# warn $AFTER - $NOW;#d#
2902
2903	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2904	$sig->send;	3633	$sig->send;
2905	}	3634	}
2906	while (my $sig = shift @WAIT_FOR_TICK) {	3635	while (my $sig = shift @WAIT_FOR_TICK) {
2907	$sig->send;	3636	$sig->send;
2908	}	3637	}
2909		3638
2910	$NOW = Event::time;
2911
2912	# if we are delayed by four ticks or more, skip them all
2913	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2914
2915	$TICK_WATCHER->at ($NEXT_TICK);
2916	$TICK_WATCHER->start;
2917
2918	$LOAD = ($NOW - $tick_start) / $TICK;	3639	$LOAD = ($NOW - $tick_start) / $TICK;
2919	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2920		3641
2921	_post_tick;	3642	_post_tick;
2922		3643	};
2923		3644	$TICK_WATCHER->priority (EV::MAXPRI);
2924	},
2925	);
2926		3645
2927	{	3646	{
2928	BDB::max_poll_time $TICK * 0.1;	3647	# configure BDB
2929	$BDB_POLL_WATCHER = Event->io (	3648
2930	reentrant => 0,
2931	fd => BDB::poll_fileno,
2932	poll => 'r',
2933	prio => 0,
2934	data => WF_AUTOCANCEL,
2935	cb => \&BDB::poll_cb,
2936	);
2937	BDB::min_parallel 8;	3649	BDB::min_parallel 8;
2938		3650	BDB::max_poll_reqs $TICK * 0.1;
2939	BDB::set_sync_prepare {	3651	$Coro::BDB::WATCHER->priority (1);
2940	my $status;
2941	my $current = $Coro::current;
2942	(
2943	sub {
2944	$status = $!;
2945	$current->ready; undef $current;
2946	},
2947	sub {
2948	Coro::schedule while defined $current;
2949	$! = $status;
2950	},
2951	)
2952	};
2953		3652
2954	unless ($DB_ENV) {	3653	unless ($DB_ENV) {
2955	$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);
2956		3659
2957	cf::sync_job {	3660	cf::sync_job {
2958	eval {	3661	eval {
2959	BDB::db_env_open	3662	BDB::db_env_open
2960	$DB_ENV,	3663	$DB_ENV,
…		…
2962	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2963	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2964	0666;	3667	0666;
2965		3668
2966	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2967
2968	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2969	$DB_ENV->set_lk_detect;
2970	};	3670	};
2971		3671
2972	cf::cleanup "db_env_open(db): $@" if $@;	3672	cf::cleanup "db_env_open(db): $@" if $@;
2973	};	3673	};
2974	}	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	};
2975	}	3685	}
2976		3686
2977	{	3687	{
		3688	# configure IO::AIO
		3689
2978	IO::AIO::min_parallel 8;	3690	IO::AIO::min_parallel 8;
2979
2980	undef $Coro::AIO::WATCHER;
2981	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
2982	$AIO_POLL_WATCHER = Event->io (	3692	$Coro::AIO::WATCHER->priority (1);
2983	reentrant => 0,
2984	data => WF_AUTOCANCEL,
2985	fd => IO::AIO::poll_fileno,
2986	poll => 'r',
2987	prio => 6,
2988	cb => \&IO::AIO::poll_cb,
2989	);
2990	}	3693	}
2991		3694
2992	my $_log_backtrace;	3695	my $_log_backtrace;
2993		3696
2994	sub _log_backtrace {	3697	sub _log_backtrace {
…		…
2998		3701
2999	# limit the # of concurrent backtraces	3702	# limit the # of concurrent backtraces
3000	if ($_log_backtrace < 2) {	3703	if ($_log_backtrace < 2) {
3001	++$_log_backtrace;	3704	++$_log_backtrace;
3002	async {	3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
3003	my @bt = fork_call {	3708	my @bt = fork_call {
3004	@addr = map { sprintf "%x", $_ } @addr;	3709	@addr = map { sprintf "%x", $_ } @addr;
3005	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3006	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 |"
3007	or die "addr2line: $!";	3712	or die "addr2line: $!";

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