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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.274 by root, Tue Jun 5 13:05:02 2007 UTC vs.
Revision 1.406 by root, Mon Dec 17 08:27:44 2007 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::Syck ();
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?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
44		46
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		48
…		…
49	our %COMMAND = ();	51	our %COMMAND = ();
50	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
51		53
52	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
56		59
57	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
58	our @EVENT;	61	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	72	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	73	our $BDBDIR = "$LOCALDIR/db";
		74	our %RESOURCE;
71		75
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;	77	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		82
80	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	87	our $DB_ENV;
82		88
83	our %CFG;	89	our %CFG;
84		90
85	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
155		162
156	The raw value load value from the last tick.	163	The raw value load value from the last tick.
157		164
158	=item %cf::CFG	165	=item %cf::CFG
159		166
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	168	from wherever your confdir points to.
162		169
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	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	173	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.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
203	)) {	215	)) {
204	no strict 'refs';	216	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	218	}
207		219
208	$Event::DIED = sub {	220	$EV::DIED = sub {
209	warn "error in event callback: @_";	221	warn "error in event callback: @_";
210	};	222	};
		223
		224	#############################################################################
211		225
212	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
213		227
214	=over 4	228	=over 4
215		229
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	249	$d
236	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
237	}	251	}
238		252
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	253	=item $ref = cf::decode_json $json
242		254
243	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
244		256
245	=item $json = cf::to_json $ref	257	=item $json = cf::encode_json $ref
246		258
247	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub encode_json($) { $json_coder->encode ($_[0]) }
		266	sub decode_json($) { $json_coder->decode ($_[0]) }
248		267
249	=item cf::lock_wait $string	268	=item cf::lock_wait $string
250		269
251	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
252		271
…		…
255	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
258	returned.	277	returned.
259		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
260	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
262		284
263	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
264		286
265	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
266		288
267	=cut	289	=cut
268		290
269	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
270		293
271	sub lock_wait($) {	294	sub lock_wait($) {
272	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
273		301
274	# wait for lock, if any	302	# wait for lock, if any
275	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	305	Coro::schedule;
…		…
283		311
284	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
285	lock_wait $key;	313	lock_wait $key;
286		314
287	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
288		317
289	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
292	}	322	}
293	}	323	}
294		324
…		…
306	};	336	};
307	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
308	$guard	338	$guard
309	}	339	}
310		340
		341	=item cf::periodic $interval, $cb
		342
		343	Like EV::periodic, but randomly selects a starting point so that the actions
		344	get spread over timer.
		345
		346	=cut
		347
		348	sub periodic($$) {
		349	my ($interval, $cb) = @_;
		350
		351	my $start = rand List::Util::min 180, $interval;
		352
		353	EV::periodic $start, $interval, 0, $cb
		354	}
		355
		356	=item cf::get_slot $time[, $priority[, $name]]
		357
		358	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		359	This call blocks and returns only when you have at least C<$time> seconds
		360	of cpu time till the next tick. The slot is only valid till the next cede.
		361
		362	The optional C<$name> can be used to identify the job to run. It might be
		363	used for statistical purposes and should identify the same time-class.
		364
		365	Useful for short background jobs.
		366
		367	=cut
		368
		369	our @SLOT_QUEUE;
		370	our $SLOT_QUEUE;
		371
		372	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		373	$SLOT_QUEUE = Coro::async {
		374	$Coro::current->desc ("timeslot manager");
		375
		376	my $signal = new Coro::Signal;
		377
		378	while () {
		379	next_job:
		380	my $avail = cf::till_tick;
		381	if ($avail > 0.01) {
		382	for (0 .. $#SLOT_QUEUE) {
		383	if ($SLOT_QUEUE[$_][0] < $avail) {
		384	my $job = splice @SLOT_QUEUE, $_, 1, ();
		385	$job->[2]->send;
		386	Coro::cede;
		387	goto next_job;
		388	}
		389	}
		390	}
		391
		392	if (@SLOT_QUEUE) {
		393	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		394	push @cf::WAIT_FOR_TICK, $signal;
		395	$signal->wait;
		396	} else {
		397	Coro::schedule;
		398	}
		399	}
		400	};
		401
		402	sub get_slot($;$$) {
		403	my ($time, $pri, $name) = @_;
		404
		405	$time = $TICK * .6 if $time > $TICK * .6;
		406	my $sig = new Coro::Signal;
		407
		408	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		409	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		410	$SLOT_QUEUE->ready;
		411	$sig->wait;
		412	}
		413
311	=item cf::async { BLOCK }	414	=item cf::async { BLOCK }
312		415
313	Currently the same as Coro::async_pool, meaning you cannot use	416	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	417	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	418	thing you are allowed to do is call C<prio> on it.
…		…
318		421
319	BEGIN { *async = \&Coro::async_pool }	422	BEGIN { *async = \&Coro::async_pool }
320		423
321	=item cf::sync_job { BLOCK }	424	=item cf::sync_job { BLOCK }
322		425
323	The design of crossfire+ requires that the main coro ($Coro::main) is	426	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	427	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	428	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		429	acceptable.
326		430
327	If it must be done, put the blocking parts into C<sync_job>. This will run	431	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	432	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	433	server will be frozen during this time, so the block should either finish
330	fast or be very important.	434	fast or be very important.
…		…
333		437
334	sub sync_job(&) {	438	sub sync_job(&) {
335	my ($job) = @_;	439	my ($job) = @_;
336		440
337	if ($Coro::current == $Coro::main) {	441	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	442	my $time = EV::time;
339		443
340	# this is the main coro, too bad, we have to block	444	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	445	# till the operation succeeds, freezing the server :/
342		446
		447	LOG llevError, Carp::longmess "sync job";#d#
		448
343	# TODO: use suspend/resume instead	449	# TODO: use suspend/resume instead
344	# (but this is cancel-safe)	450	# (but this is cancel-safe)
345	my $freeze_guard = freeze_mainloop;	451	my $freeze_guard = freeze_mainloop;
346		452
347	my $busy = 1;	453	my $busy = 1;
348	my @res;	454	my @res;
349		455
350	(async {	456	(async {
		457	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	458	@res = eval { $job->() };
352	warn $@ if $@;	459	warn $@ if $@;
353	undef $busy;	460	undef $busy;
354	})->prio (Coro::PRIO_MAX);	461	})->prio (Coro::PRIO_MAX);
355		462
356	while ($busy) {	463	while ($busy) {
357	Coro::cede or Event::one_event;	464	if (Coro::nready) {
		465	Coro::cede_notself;
		466	} else {
		467	EV::loop EV::LOOP_ONESHOT;
358	}	468	}
		469	}
359		470
360	$time = Event::time - $time;	471	$time = EV::time - $time;
361		472
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"	473	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	474	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364		475
365	$tick_start += $time; # do not account sync jobs to server load	476	$tick_start += $time; # do not account sync jobs to server load
…		…
390	$EXT_CORO{$coro+0} = $coro;	501	$EXT_CORO{$coro+0} = $coro;
391		502
392	$coro	503	$coro
393	}	504	}
394		505
395	sub write_runtime {	506	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		507
398	# first touch the runtime file to show we are still running:	508	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	509	process, returning the results. Everything must be serialisable with
		510	Coro::Storable. May, of course, block. Note that the executed sub may
		511	never block itself or use any form of event handling.
400		512
401	IO::AIO::aio_utime $runtime, undef, undef;	513	=cut
402		514
403	my $guard = cf::lock_acquire "write_runtime";	515	sub fork_call(&@) {
		516	my ($cb, @args) = @_;
404		517
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	518	# we seemingly have to make a local copy of the whole thing,
406	or return;	519	# otherwise perl prematurely frees the stuff :/
		520	# TODO: investigate and fix (likely this will be rather laborious)
407		521
408	my $value = $cf::RUNTIME + 90 + 10;	522	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	523	reset_signals;
410	# 60 allows for the watchdog to kill the server.	524	&$cb
		525	}, @args;
411		526
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	527	wantarray ? @res : $res[-1]
413	and return;	528	}
414		529
415	# always fsync - this file is important	530	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		531
419	# touch it again to show we are up-to-date	532	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		533
422	close $fh	534	=item cf::db_put $family => $key => $value
423	or return;
424		535
425	aio_rename "$runtime~", $runtime	536	Stores the given C<$value> in the family. It can currently store binary
426	and return;	537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		538
428	warn "runtime file written.\n";	539	=item $db = cf::db_table "name"
429		540
		541	Create and/or open a new database table. The string must not be "db" and must be unique
		542	within each server.
		543
		544	=cut
		545
		546	sub db_table($) {
		547	my ($name) = @_;
		548	my $db = BDB::db_create $DB_ENV;
		549
		550	eval {
		551	$db->set_flags (BDB::CHKSUM);
		552
		553	utf8::encode $name;
		554	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		555	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		556	cf::cleanup "db_open(db): $!" if $!;
		557	};
		558	cf::cleanup "db_open(db): $@" if $@;
		559
		560	$db
		561	}
		562
		563	our $DB;
		564
		565	sub db_init {
		566	cf::sync_job {
		567	$DB ||= db_table "db";
		568	};
		569	}
		570
		571	sub db_get($$) {
		572	my $key = "$_[0]/$_[1]";
		573
		574	cf::sync_job {
		575	BDB::db_get $DB, undef, $key, my $data;
		576
		577	$! ? ()
		578	: $data
430	1	579	}
		580	}
		581
		582	sub db_put($$$) {
		583	BDB::dbreq_pri 4;
		584	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		585	}
		586
		587	=item cf::cache $id => [$paths...], $processversion => $process
		588
		589	Generic caching function that returns the value of the resource $id,
		590	caching and regenerating as required.
		591
		592	This function can block.
		593
		594	=cut
		595
		596	sub cache {
		597	my ($id, $src, $processversion, $process) = @_;
		598
		599	my $meta =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	aio_stat $_
		604	and Carp::croak "$_: $!";
		605
		606	($_, (stat _)[7,9])
		607	} @$src;
		608
		609	my $dbmeta = db_get cache => "$id/meta";
		610	if ($dbmeta ne $meta) {
		611	# changed, we may need to process
		612
		613	my @data;
		614	my $md5;
		615
		616	for (0 .. $#$src) {
		617	0 <= aio_load $src->[$_], $data[$_]
		618	or Carp::croak "$src->[$_]: $!";
		619	}
		620
		621	# if processing is expensive, check
		622	# checksum first
		623	if (1) {
		624	$md5 =
		625	join "\x00",
		626	$processversion,
		627	map {
		628	cf::cede_to_tick;
		629	($src->[$_], Digest::MD5::md5_hex $data[$_])
		630	} 0.. $#$src;
		631
		632
		633	my $dbmd5 = db_get cache => "$id/md5";
		634	if ($dbmd5 eq $md5) {
		635	db_put cache => "$id/meta", $meta;
		636
		637	return db_get cache => "$id/data";
		638	}
		639	}
		640
		641	my $t1 = Time::HiRes::time;
		642	my $data = $process->(\@data);
		643	my $t2 = Time::HiRes::time;
		644
		645	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		646
		647	db_put cache => "$id/data", $data;
		648	db_put cache => "$id/md5" , $md5;
		649	db_put cache => "$id/meta", $meta;
		650
		651	return $data;
		652	}
		653
		654	db_get cache => "$id/data"
431	}	655	}
432		656
433	=item cf::datalog type => key => value, ...	657	=item cf::datalog type => key => value, ...
434		658
435	Log a datalog packet of the given type with the given key-value pairs.	659	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	677	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	678	to it. All such attachable objects support the following methods.
455		679
456	In the following description, CLASS can be any of C<global>, C<object>	680	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	681	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	682	Deliantra).
459		683
460	=over 4	684	=over 4
461		685
462	=item $attachable->attach ($attachment, key => $value...)	686	=item $attachable->attach ($attachment, key => $value...)
463		687
…		…
665	_attach $registry, $klass, @attach;	889	_attach $registry, $klass, @attach;
666	}	890	}
667		891
668	$obj->{$name} = \%arg;	892	$obj->{$name} = \%arg;
669	} else {	893	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	894	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	895	}
672		896
673	$obj->{_attachment}{$name} = undef;	897	$obj->{_attachment}{$name} = undef;
674	}	898	}
675		899
…		…
715	";	939	";
716	die if $@;	940	die if $@;
717	}	941	}
718		942
719	our $override;	943	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	944	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		945
722	sub override {	946	sub override {
723	$override = 1;	947	$override = 1;
724	@invoke_results = ();	948	@INVOKE_RESULTS = (@_);
725	}	949	}
726		950
727	sub do_invoke {	951	sub do_invoke {
728	my $event = shift;	952	my $event = shift;
729	my $callbacks = shift;	953	my $callbacks = shift;
730		954
731	@invoke_results = ();	955	@INVOKE_RESULTS = ();
732		956
733	local $override;	957	local $override;
734		958
735	for (@$callbacks) {	959	for (@$callbacks) {
736	eval { &{$_->[1]} };	960	eval { &{$_->[1]} };
…		…
745	}	969	}
746		970
747	0	971	0
748	}	972	}
749		973
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	974	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		975
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		977
754	Generate an object-specific event with the given arguments.	978	Generate an object-specific event with the given arguments.
755		979
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	980	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	981	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	982	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		983
760	=back	984	=back
761		985
762	=cut	986	=cut
763		987
764	#############################################################################	988	#############################################################################
765	# object support	989	# object support
		990
		991	sub _object_equal($$);
		992	sub _object_equal($$) {
		993	my ($a, $b) = @_;
		994
		995	return 0 unless (ref $a) eq (ref $b);
		996
		997	if ("HASH" eq ref $a) {
		998	my @ka = keys %$a;
		999	my @kb = keys %$b;
		1000
		1001	return 0 if @ka != @kb;
		1002
		1003	for (0 .. $#ka) {
		1004	return 0 unless $ka[$_] eq $kb[$_];
		1005	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1006	}
		1007
		1008	} elsif ("ARRAY" eq ref $a) {
		1009
		1010	return 0 if @$a != @$b;
		1011
		1012	for (0 .. $#$a) {
		1013	return 0 unless _object_equal $a->[$_], $b->[$_];
		1014	}
		1015
		1016	} elsif ($a ne $b) {
		1017	return 0;
		1018	}
		1019
		1020	1
		1021	}
		1022
		1023	our $SLOW_MERGES;#d#
		1024	sub _can_merge {
		1025	my ($ob1, $ob2) = @_;
		1026
		1027	++$SLOW_MERGES;#d#
		1028
		1029	# we do the slow way here
		1030	return _object_equal $ob1, $ob2
		1031	}
766		1032
767	sub reattach {	1033	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1034	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1035	my ($obj) = @_;
770		1036
…		…
791	cf::attachable->attach (	1057	cf::attachable->attach (
792	prio => -1000000,	1058	prio => -1000000,
793	on_instantiate => sub {	1059	on_instantiate => sub {
794	my ($obj, $data) = @_;	1060	my ($obj, $data) = @_;
795		1061
796	$data = from_json $data;	1062	$data = decode_json $data;
797		1063
798	for (@$data) {	1064	for (@$data) {
799	my ($name, $args) = @$_;	1065	my ($name, $args) = @$_;
800		1066
801	$obj->attach ($name, %{$args || {} });	1067	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1083	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1084	my ($filename, $rdata, $objs) = @_;
819		1085
820	sync_job {	1086	sync_job {
821	if (length $$rdata) {	1087	if (length $$rdata) {
		1088	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1089	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1090	$decname, length $$rdata, scalar @$objs;
824		1091
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1093	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1095	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1096	close $fh;
830		1097
831	if (@$objs) {	1098	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1099	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1100	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1102	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1103	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1104	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1105	aio_rename "$filename.pst~", "$filename.pst";
839	}	1106	}
…		…
847	}	1114	}
848	} else {	1115	} else {
849	aio_unlink $filename;	1116	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1117	aio_unlink "$filename.pst";
851	}	1118	}
852	}	1119	};
853	}	1120	}
854		1121
855	sub object_freezer_as_string {	1122	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1123	my ($rdata, $objs) = @_;
857		1124
…		…
869	or return;	1136	or return;
870		1137
871	unless (aio_stat "$filename.pst") {	1138	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1139	(aio_load "$filename.pst", $av) >= 0
873	or return;	1140	or return;
		1141
874	$av = eval { (Storable::thaw $av)->{objs} };	1142	my $st = eval { Coro::Storable::thaw $av };
		1143	$av = $st->{objs};
875	}	1144	}
876		1145
		1146	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1147	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1148	$decname, length $data, scalar @{$av || []};
		1149
879	return ($data, $av);	1150	($data, $av)
880	}	1151	}
		1152
		1153	=head2 COMMAND CALLBACKS
		1154
		1155	=over 4
		1156
		1157	=cut
881		1158
882	#############################################################################	1159	#############################################################################
883	# command handling &c	1160	# command handling &c
884		1161
885	=item cf::register_command $name => \&callback($ob,$args);	1162	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1175	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1176	}
900		1177
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1178	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1179
903	Register a callbackf ro execution when the client sends an extcmd packet.	1180	Register a callback for execution when the client sends an (synchronous)
		1181	extcmd packet. Ext commands will be processed in the order they are
		1182	received by the server, like other user commands. The first argument is
		1183	the logged-in player. Ext commands can only be processed after a player
		1184	has logged in successfully.
904		1185
905	If the callback returns something, it is sent back as if reply was being	1186	If the callback returns something, it is sent back as if reply was being
906	called.	1187	called.
907		1188
		1189	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1190
		1191	Register a callback for execution when the client sends an (asynchronous)
		1192	exticmd packet. Exti commands are processed by the server as soon as they
		1193	are received, i.e. out of order w.r.t. other commands. The first argument
		1194	is a client socket. Exti commands can be received anytime, even before
		1195	log-in.
		1196
		1197	If the callback returns something, it is sent back as if reply was being
		1198	called.
		1199
908	=cut	1200	=cut
909		1201
910	sub register_extcmd {	1202	sub register_extcmd {
911	my ($name, $cb) = @_;	1203	my ($name, $cb) = @_;
912		1204
913	$EXTCMD{$name} = $cb;	1205	$EXTCMD{$name} = $cb;
		1206	}
		1207
		1208	sub register_exticmd {
		1209	my ($name, $cb) = @_;
		1210
		1211	$EXTICMD{$name} = $cb;
914	}	1212	}
915		1213
916	cf::player->attach (	1214	cf::player->attach (
917	on_command => sub {	1215	on_command => sub {
918	my ($pl, $name, $params) = @_;	1216	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1225	cf::override;
928	},	1226	},
929	on_extcmd => sub {	1227	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1228	my ($pl, $buf) = @_;
931		1229
932	my $msg = eval { from_json $buf };	1230	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1231
934	if (ref $msg) {	1232	if (ref $msg) {
		1233	my ($type, $reply, @payload) =
		1234	"ARRAY" eq ref $msg
		1235	? @$msg
		1236	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1237
		1238	my @reply;
		1239
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1240	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1241	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1242	}
		1243
		1244	$pl->ext_reply ($reply, @reply)
		1245	if $reply;
		1246
940	} else {	1247	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1248	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1249	}
943		1250
944	cf::override;	1251	cf::override;
945	},	1252	},
946	);	1253	);
947		1254
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1255	sub load_extensions {
		1256	cf::sync_job {
		1257	my %todo;
		1258
983	for my $ext (<$LIBDIR/*.ext>) {	1259	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1260	next unless -r $path;
985	eval {	1261
986	load_extension $ext;	1262	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1263	my $base = $1;
		1264	my $pkg = $1;
		1265	$pkg =~ s/[^[:word:]]/_/g;
		1266	$pkg = "ext::$pkg";
		1267
		1268	open my $fh, "<:utf8", $path
		1269	or die "$path: $!";
		1270
		1271	my $source = do { local $/; <$fh> };
		1272
		1273	my %ext = (
		1274	path => $path,
		1275	base => $base,
		1276	pkg => $pkg,
		1277	);
		1278
		1279	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1280	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1281
		1282	$ext{source} =
		1283	"package $pkg; use strict; use utf8;\n"
		1284	. "#line 1 \"$path\"\n{\n"
		1285	. $source
		1286	. "\n};\n1";
		1287
		1288	$todo{$base} = \%ext;
		1289	}
		1290
		1291	my %done;
		1292	while (%todo) {
		1293	my $progress;
		1294
		1295	while (my ($k, $v) = each %todo) {
		1296	for (split /,\s*/, $v->{meta}{depends}) {
		1297	goto skip
		1298	unless exists $done{$_};
		1299	}
		1300
		1301	warn "... loading '$k' into '$v->{pkg}'\n";
		1302
		1303	unless (eval $v->{source}) {
		1304	my $msg = $@ ? "$v->{path}: $@\n"
		1305	: "$v->{base}: extension inactive.\n";
		1306
		1307	if (exists $v->{meta}{mandatory}) {
		1308	warn $msg;
		1309	warn "mandatory extension failed to load, exiting.\n";
		1310	exit 1;
		1311	}
		1312
		1313	warn $msg;
		1314	}
		1315
		1316	$done{$k} = delete $todo{$k};
		1317	push @EXTS, $v->{pkg};
		1318	$progress = 1;
987	1	1319	}
988	} or warn "$ext not loaded: $@";	1320
		1321	skip:
		1322	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1323	unless $progress;
		1324	}
989	}	1325	};
990	}	1326	}
991		1327
992	#############################################################################	1328	#############################################################################
993		1329
		1330	=back
		1331
994	=head2 CORE EXTENSIONS	1332	=head2 CORE EXTENSIONS
995		1333
996	Functions and methods that extend core crossfire objects.	1334	Functions and methods that extend core crossfire objects.
997		1335
998	=cut	1336	=cut
…		…
1002	use Coro::AIO;	1340	use Coro::AIO;
1003		1341
1004	=head3 cf::player	1342	=head3 cf::player
1005		1343
1006	=over 4	1344	=over 4
		1345
		1346	=item cf::player::num_playing
		1347
		1348	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1349
		1350	=cut
		1351
		1352	sub num_playing {
		1353	scalar grep
		1354	$_->ob->map
		1355	&& !$_->hidden
		1356	&& !$_->ob->flag (cf::FLAG_WIZ),
		1357	cf::player::list
		1358	}
1007		1359
1008	=item cf::player::find $login	1360	=item cf::player::find $login
1009		1361
1010	Returns the given player object, loading it if necessary (might block).	1362	Returns the given player object, loading it if necessary (might block).
1011		1363
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1399	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1400	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1401	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1402	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1403
1052	my $pl = load_pl path $login	1404	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1405	or return;
		1406
		1407	my $pl = cf::player::load_pl $f
		1408	or return;
		1409	local $cf::PLAYER_LOADING{$login} = $pl;
		1410	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1411	$cf::PLAYER{$login} = $pl
1055	}	1412	}
1056	}	1413	}
1057	}	1414	}
1058		1415
…		…
1068		1425
1069	aio_mkdir playerdir $pl, 0770;	1426	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1427	$pl->{last_save} = $cf::RUNTIME;
1071		1428
1072	$pl->save_pl ($path);	1429	$pl->save_pl ($path);
1073	Coro::cede;	1430	cf::cede_to_tick;
1074	}	1431	}
1075		1432
1076	sub new($) {	1433	sub new($) {
1077	my ($login) = @_;	1434	my ($login) = @_;
1078		1435
…		…
1082	$self->{deny_save} = 1;	1439	$self->{deny_save} = 1;
1083		1440
1084	$cf::PLAYER{$login} = $self;	1441	$cf::PLAYER{$login} = $self;
1085		1442
1086	$self	1443	$self
		1444	}
		1445
		1446	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1447
		1448	=cut
		1449
		1450	sub send_msg {
		1451	my $ns = shift->ns
		1452	or return;
		1453	$ns->send_msg (@_);
1087	}	1454	}
1088		1455
1089	=item $pl->quit_character	1456	=item $pl->quit_character
1090		1457
1091	Nukes the player without looking back. If logged in, the connection will	1458	Nukes the player without looking back. If logged in, the connection will
…		…
1146	or return [];	1513	or return [];
1147		1514
1148	my @logins;	1515	my @logins;
1149		1516
1150	for my $login (@$dirs) {	1517	for my $login (@$dirs) {
		1518	my $path = path $login;
		1519
		1520	# a .pst is a dead give-away for a valid player
		1521	unless (-e "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1523	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1524	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1525	}
1154		1526
1155	utf8::decode $login;	1527	utf8::decode $login;
1156	push @logins, $login;	1528	push @logins, $login;
1157	}	1529	}
1158		1530
…		…
1185	}	1557	}
1186		1558
1187	\@paths	1559	\@paths
1188	}	1560	}
1189		1561
		1562	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1563
		1564	Expand crossfire pod fragments into protocol xml.
		1565
		1566	=cut
		1567
		1568	use re 'eval';
		1569
		1570	my $group;
		1571	my $interior; $interior = qr{
		1572	# match a pod interior sequence sans C<< >>
		1573	(?:
		1574	\ (.*?)\ (?{ $group = $^N })
		1575	| < (??{$interior}) >
		1576	)
		1577	}x;
		1578
		1579	sub expand_cfpod {
		1580	my ($self, $pod) = @_;
		1581
		1582	my $xml;
		1583
		1584	while () {
		1585	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1586	$group = $1;
		1587
		1588	$group =~ s/&/&amp;/g;
		1589	$group =~ s/</&lt;/g;
		1590
		1591	$xml .= $group;
		1592	} elsif ($pod =~ m%\G
		1593	([BCGHITU])
		1594	<
		1595	(?:
		1596	([^<>]*) (?{ $group = $^N })
		1597	| < $interior >
		1598	)
		1599	>
		1600	%gcsx
		1601	) {
		1602	my ($code, $data) = ($1, $group);
		1603
		1604	if ($code eq "B") {
		1605	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1606	} elsif ($code eq "I") {
		1607	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1608	} elsif ($code eq "U") {
		1609	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1610	} elsif ($code eq "C") {
		1611	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1612	} elsif ($code eq "T") {
		1613	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1614	} elsif ($code eq "G") {
		1615	my ($male, $female) = split /\|/, $data;
		1616	$data = $self->gender ? $female : $male;
		1617	$xml .= expand_cfpod ($self, $data);
		1618	} elsif ($code eq "H") {
		1619	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1620	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1621	"")
		1622	[$self->{hintmode}];
		1623	} else {
		1624	$xml .= "error processing '$code($data)' directive";
		1625	}
		1626	} else {
		1627	if ($pod =~ /\G(.+)/) {
		1628	warn "parse error while expanding $pod (at $1)";
		1629	}
		1630	last;
		1631	}
		1632	}
		1633
		1634	for ($xml) {
		1635	# create single paragraphs (very hackish)
		1636	s/(?<=\S)\n(?=\w)/ /g;
		1637
		1638	# compress some whitespace
		1639	s/\s+\n/\n/g; # ws line-ends
		1640	s/\n\n+/\n/g; # double lines
		1641	s/^\n+//; # beginning lines
		1642	s/\n+$//; # ending lines
		1643	}
		1644
		1645	$xml
		1646	}
		1647
		1648	no re 'eval';
		1649
		1650	sub hintmode {
		1651	$_[0]{hintmode} = $_[1] if @_ > 1;
		1652	$_[0]{hintmode}
		1653	}
		1654
1190	=item $player->ext_reply ($msgid, %msg)	1655	=item $player->ext_reply ($msgid, @msg)
1191		1656
1192	Sends an ext reply to the player.	1657	Sends an ext reply to the player.
1193		1658
1194	=cut	1659	=cut
1195		1660
1196	sub ext_reply($$%) {	1661	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1662	my ($self, $id, @msg) = @_;
1198		1663
1199	$msg{msgid} = $id;	1664	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1665	}
1203		1666
1204	=item $player->ext_event ($type, %msg)	1667	=item $player->ext_msg ($type, @msg)
1205		1668
1206	Sends an ext event to the client.	1669	Sends an ext event to the client.
1207		1670
1208	=cut	1671	=cut
1209		1672
1210	sub ext_event($$%) {	1673	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1674	my ($self, $type, @msg) = @_;
1212		1675
1213	$self->ns->ext_event ($type, %msg);	1676	$self->ns->ext_msg ($type, @msg);
1214	}	1677	}
1215		1678
1216	=head3 cf::region	1679	=head3 cf::region
1217		1680
1218	=over 4	1681	=over 4
…		…
1221		1684
1222	package cf::region;	1685	package cf::region;
1223		1686
1224	=item cf::region::find_by_path $path	1687	=item cf::region::find_by_path $path
1225		1688
1226	Tries to decuce the probable region for a map knowing only its path.	1689	Tries to decuce the likely region for a map knowing only its path.
1227		1690
1228	=cut	1691	=cut
1229		1692
1230	sub find_by_path($) {	1693	sub find_by_path($) {
1231	my ($path) = @_;	1694	my ($path) = @_;
1232		1695
1233	my ($match, $specificity);	1696	my ($match, $specificity);
1234		1697
1235	for my $region (list) {	1698	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1699	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1700	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1701	if $region->specificity > $specificity;
1239	}	1702	}
1240	}	1703	}
1241		1704
…		…
1305	my ($self, $merge) = @_;	1768	my ($self, $merge) = @_;
1306		1769
1307	# we have to keep some variables in memory intact	1770	# we have to keep some variables in memory intact
1308	local $self->{path};	1771	local $self->{path};
1309	local $self->{load_path};	1772	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1773
1313	$self->SUPER::thawer_merge ($merge);	1774	$self->SUPER::thawer_merge ($merge);
1314	}	1775	}
1315		1776
1316	sub normalise {	1777	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1824	$self->init; # pass $1 etc.
1364	return $self;	1825	return $self;
1365	}	1826	}
1366	}	1827	}
1367		1828
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1829	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1830	()
1370	}	1831	}
1371		1832
1372	sub init {	1833	sub init {
1373	my ($self) = @_;	1834	my ($self) = @_;
…		…
1416		1877
1417	$_->change_map_light ($change)	1878	$_->change_map_light ($change)
1418	for grep $_->outdoor, values %cf::MAP;	1879	for grep $_->outdoor, values %cf::MAP;
1419	}	1880	}
1420		1881
		1882	sub decay_objects {
		1883	my ($self) = @_;
		1884
		1885	return if $self->{deny_reset};
		1886
		1887	$self->do_decay_objects;
		1888	}
		1889
1421	sub unlink_save {	1890	sub unlink_save {
1422	my ($self) = @_;	1891	my ($self) = @_;
1423		1892
1424	utf8::encode (my $save = $self->save_path);	1893	utf8::encode (my $save = $self->save_path);
1425	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1428		1897
1429	sub load_header_from($) {	1898	sub load_header_from($) {
1430	my ($self, $path) = @_;	1899	my ($self, $path) = @_;
1431		1900
1432	utf8::encode $path;	1901	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1902	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	1903	or return;
		1904
		1905	$self->_load_header ($f)
		1906	or return;
		1907
		1908	local $MAP_LOADING{$self->{path}} = $self;
		1909	$f->resolve_delayed_derefs;
1438		1910
1439	$self->{load_path} = $path;	1911	$self->{load_path} = $path;
1440		1912
1441	1	1913	1
1442	}	1914	}
…		…
1481	$self->load_header_orig	1953	$self->load_header_orig
1482	or return;	1954	or return;
1483	$self->prepare_orig;	1955	$self->prepare_orig;
1484	}	1956	}
1485		1957
		1958	$self->{deny_reset} = 1
		1959	if $self->no_reset;
		1960
1486	$self->default_region (cf::region::find_by_path $self->{path})	1961	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	1962	unless $self->default_region;
1488		1963
1489	1	1964	1
1490	}	1965	}
…		…
1493	sub find {	1968	sub find {
1494	my ($path, $origin) = @_;	1969	my ($path, $origin) = @_;
1495		1970
1496	$path = normalise $path, $origin && $origin->path;	1971	$path = normalise $path, $origin && $origin->path;
1497		1972
		1973	cf::lock_wait "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	1974	cf::lock_wait "map_find:$path";
1499		1975
1500	$cf::MAP{$path} || do {	1976	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard1 = cf::lock_acquire "map_find:$path";
		1978	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1979
1502	my $map = new_from_path cf::map $path	1980	my $map = new_from_path cf::map $path
1503	or return;	1981	or return;
1504		1982
1505	$map->{last_save} = $cf::RUNTIME;	1983	$map->{last_save} = $cf::RUNTIME;
1506		1984
1507	$map->load_header	1985	$map->load_header
1508	or return;	1986	or return;
1509		1987
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	1989	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	1990	#$cf::WAIT_FOR_TICK->wait;
		1991	undef $guard1;
		1992	undef $guard2;
1513	$map->reset;	1993	$map->reset;
1514	undef $guard;
1515	return find $path;	1994	return find $path;
1516	}	1995	}
1517		1996
1518	$cf::MAP{$path} = $map	1997	$cf::MAP{$path} = $map
1519	}	1998	}
…		…
1528	local $self->{deny_reset} = 1; # loading can take a long time	2007	local $self->{deny_reset} = 1; # loading can take a long time
1529		2008
1530	my $path = $self->{path};	2009	my $path = $self->{path};
1531		2010
1532	{	2011	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2012	my $guard = cf::lock_acquire "map_data:$path";
1534		2013
		2014	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2015	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		2016
1537	$self->in_memory (cf::MAP_LOADING);	2017	$self->in_memory (cf::MAP_LOADING);
1538		2018
1539	$self->alloc;	2019	$self->alloc;
1540		2020
1541	$self->pre_load;	2021	$self->pre_load;
1542	Coro::cede;	2022	cf::cede_to_tick;
1543		2023
		2024	my $f = new_from_file cf::object::thawer $self->{load_path};
		2025	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2026	$self->_load_objects ($f)
1545	or return;	2027	or return;
1546		2028
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1548	if delete $self->{load_original};	2030	if delete $self->{load_original};
1549		2031
1550	if (my $uniq = $self->uniq_path) {	2032	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2033	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2034	unless (aio_stat $uniq) {
		2035	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2036	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2037	$self->_load_objects ($f);
		2038	$f->resolve_delayed_derefs;
		2039	}
1555	}	2040	}
1556	}	2041	}
1557		2042
1558	Coro::cede;	2043	$f->resolve_delayed_derefs;
		2044
		2045	cf::cede_to_tick;
1559	# now do the right thing for maps	2046	# now do the right thing for maps
1560	$self->link_multipart_objects;	2047	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2048	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2049	unless $self->difficulty;
1563	Coro::cede;	2050	cf::cede_to_tick;
1564		2051
1565	unless ($self->{deny_activate}) {	2052	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2053	$self->decay_objects;
1567	$self->fix_auto_apply;	2054	$self->fix_auto_apply;
1568	$self->update_buttons;	2055	$self->update_buttons;
1569	Coro::cede;	2056	cf::cede_to_tick;
1570	$self->set_darkness_map;	2057	$self->set_darkness_map;
1571	Coro::cede;	2058	cf::cede_to_tick;
1572	$self->activate;	2059	$self->activate;
1573	}	2060	}
		2061
		2062	$self->{last_save} = $cf::RUNTIME;
		2063	$self->last_access ($cf::RUNTIME);
1574		2064
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2065	$self->in_memory (cf::MAP_IN_MEMORY);
1576	}	2066	}
1577		2067
1578	$self->post_load;	2068	$self->post_load;
…		…
1582	my ($self, $ob) = @_;	2072	my ($self, $ob) = @_;
1583		2073
1584	return find "~" . $ob->name . "/" . $self->{path}	2074	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2075	if $self->per_player;
1586		2076
		2077	# return find "?party/" . $ob->name . "/" . $self->{path}
		2078	# if $self->per_party;
		2079
1587	$self	2080	$self
1588	}	2081	}
1589		2082
1590	# find and load all maps in the 3x3 area around a map	2083	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2084	sub load_neighbours {
1592	my ($map) = @_;	2085	my ($map) = @_;
1593		2086
1594	my @diag; # diagonal neighbours	2087	my @neigh; # diagonal neighbours
1595		2088
1596	for (0 .. 3) {	2089	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2090	my $neigh = $map->tile_path ($_)
1598	or next;	2091	or next;
1599	$neigh = find $neigh, $map	2092	$neigh = find $neigh, $map
1600	or next;	2093	or next;
1601	$neigh->load;	2094	$neigh->load;
1602		2095
		2096	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2099	}
1606		2100
1607	for (@diag) {	2101	for (grep defined $_->[0], @neigh) {
		2102	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2103	my $neigh = find $path, $origin
1609	or next;	2104	or next;
1610	$neigh->load;	2105	$neigh->load;
1611	}	2106	}
1612	}	2107	}
1613		2108
…		…
1618	}	2113	}
1619		2114
1620	sub do_load_sync {	2115	sub do_load_sync {
1621	my ($map) = @_;	2116	my ($map) = @_;
1622		2117
		2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2119	if $Coro::current == $Coro::main;
		2120
1623	cf::sync_job { $map->load };	2121	cf::sync_job { $map->load };
1624	}	2122	}
1625		2123
1626	our %MAP_PREFETCH;	2124	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2125	our $MAP_PREFETCHER = undef;
1628		2126
1629	sub find_async {	2127	sub find_async {
1630	my ($path, $origin) = @_;	2128	my ($path, $origin, $load) = @_;
1631		2129
1632	$path = normalise $path, $origin && $origin->{path};	2130	$path = normalise $path, $origin && $origin->{path};
1633		2131
1634	if (my $map = $cf::MAP{$path}) {	2132	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1636	}	2134	}
1637		2135
1638	undef $MAP_PREFETCH{$path};	2136	$MAP_PREFETCH{$path} |= $load;
		2137
1639	$MAP_PREFETCHER ||= cf::async {	2138	$MAP_PREFETCHER ||= cf::async {
		2139	$Coro::current->{desc} = "map prefetcher";
		2140
1640	while (%MAP_PREFETCH) {	2141	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2142	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2143	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2144	$map->load if $v;
		2145	}
1645		2146
1646	delete $MAP_PREFETCH{$path};	2147	delete $MAP_PREFETCH{$k};
1647	}	2148	}
1648	}	2149	}
1649	undef $MAP_PREFETCHER;	2150	undef $MAP_PREFETCHER;
1650	};	2151	};
1651	$MAP_PREFETCHER->prio (6);	2152	$MAP_PREFETCHER->prio (6);
…		…
1654	}	2155	}
1655		2156
1656	sub save {	2157	sub save {
1657	my ($self) = @_;	2158	my ($self) = @_;
1658		2159
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2161
1661	$self->{last_save} = $cf::RUNTIME;	2162	$self->{last_save} = $cf::RUNTIME;
1662		2163
1663	return unless $self->dirty;	2164	return unless $self->dirty;
1664		2165
…		…
1670	return if $self->{deny_save};	2171	return if $self->{deny_save};
1671		2172
1672	local $self->{last_access} = $self->last_access;#d#	2173	local $self->{last_access} = $self->last_access;#d#
1673		2174
1674	cf::async {	2175	cf::async {
		2176	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2177	$_->contr->save for $self->players;
1676	};	2178	};
1677		2179
1678	if ($uniq) {	2180	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1687	my ($self) = @_;	2189	my ($self) = @_;
1688		2190
1689	# save first because save cedes	2191	# save first because save cedes
1690	$self->save;	2192	$self->save;
1691		2193
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2194	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2195
1694	return if $self->players;	2196	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2197	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};	2198	return if $self->{deny_save};
1697		2199
		2200	$self->in_memory (cf::MAP_SWAPPED);
		2201
		2202	$self->deactivate;
		2203	$_->clear_links_to ($self) for values %cf::MAP;
1698	$self->clear;	2204	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2205	}
1701		2206
1702	sub reset_at {	2207	sub reset_at {
1703	my ($self) = @_;	2208	my ($self) = @_;
1704		2209
1705	# TODO: safety, remove and allow resettable per-player maps	2210	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2211	return 1e99 if $self->{deny_reset};
1708		2212
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2213	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2214	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2215
…		…
1722	my ($self) = @_;	2226	my ($self) = @_;
1723		2227
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2228	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2229
1726	return if $self->players;	2230	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2231
1729	warn "resetting map ", $self->path;	2232	warn "resetting map ", $self->path;
1730		2233
1731	$self->in_memory (cf::MAP_SWAPPED);	2234	$self->in_memory (cf::MAP_SWAPPED);
1732		2235
…		…
1738	if $uniq;	2241	if $uniq;
1739	}	2242	}
1740		2243
1741	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1742		2245
		2246	$self->deactivate;
		2247	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2248	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2249
1747	$self->unlink_save;	2250	$self->unlink_save;
1748	$self->destroy;	2251	$self->destroy;
1749	}	2252	}
1750		2253
1751	my $nuke_counter = "aaaa";	2254	my $nuke_counter = "aaaa";
1752		2255
1753	sub nuke {	2256	sub nuke {
1754	my ($self) = @_;	2257	my ($self) = @_;
1755		2258
		2259	{
		2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2261
1756	delete $cf::MAP{$self->path};	2262	delete $cf::MAP{$self->path};
1757		2263
1758	$self->unlink_save;	2264	$self->unlink_save;
1759		2265
1760	bless $self, "cf::map";	2266	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2267	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2268	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2269	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2271
1766	$cf::MAP{$self->path} = $self;	2272	$cf::MAP{$self->path} = $self;
		2273	}
1767		2274
1768	$self->reset; # polite request, might not happen	2275	$self->reset; # polite request, might not happen
		2276	}
		2277
		2278	=item $maps = cf::map::tmp_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	maps. May block.
		2282
		2283	=cut
		2284
		2285	sub tmp_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise $_
		2291	: ()
		2292	} @{ aio_readdir $TMPDIR or [] }
		2293	]
		2294	}
		2295
		2296	=item $maps = cf::map::random_maps
		2297
		2298	Returns an arrayref with all map paths of currently instantiated and saved
		2299	random maps. May block.
		2300
		2301	=cut
		2302
		2303	sub random_maps() {
		2304	[
		2305	map {
		2306	utf8::decode $_;
		2307	/\.map$/
		2308	? normalise "?random/$_"
		2309	: ()
		2310	} @{ aio_readdir $RANDOMDIR or [] }
		2311	]
1769	}	2312	}
1770		2313
1771	=item cf::map::unique_maps	2314	=item cf::map::unique_maps
1772		2315
1773	Returns an arrayref of paths of all shared maps that have	2316	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2317	instantiated unique items. May block.
1775		2318
1776	=cut	2319	=cut
1777		2320
1778	sub unique_maps() {	2321	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2322	[
1780	or return;	2323	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2324	utf8::decode $_;
1786	next if /\.pst$/;	2325	/\.map$/
1787	next unless /^$PATH_SEP/o;	2326	? normalise $_
1788		2327	: ()
1789	push @paths, cf::map::normalise $_;	2328	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2329	]
1791
1792	\@paths
1793	}	2330	}
1794		2331
1795	package cf;	2332	package cf;
1796		2333
1797	=back	2334	=back
…		…
1815	map { $_, inv_recursive_ $_->inv } @_	2352	map { $_, inv_recursive_ $_->inv } @_
1816	}	2353	}
1817		2354
1818	sub inv_recursive {	2355	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2356	inv_recursive_ inv $_[0]
		2357	}
		2358
		2359	=item $ref = $ob->ref
		2360
		2361	creates and returns a persistent reference to an objetc that can be stored as a string.
		2362
		2363	=item $ob = cf::object::deref ($refstring)
		2364
		2365	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2366	even if the object actually exists. May block.
		2367
		2368	=cut
		2369
		2370	sub deref {
		2371	my ($ref) = @_;
		2372
		2373	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2374	my ($uuid, $name) = ($1, $2);
		2375	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2376	or return;
		2377	$pl->ob->uuid eq $uuid
		2378	or return;
		2379
		2380	$pl->ob
		2381	} else {
		2382	warn "$ref: cannot resolve object reference\n";
		2383	undef
		2384	}
1820	}	2385	}
1821		2386
1822	package cf;	2387	package cf;
1823		2388
1824	=back	2389	=back
…		…
1843		2408
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2410
1846	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1848	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2423	$self->message ($msg, $flags);
		2424	}
1851	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1852	}	2436	}
1853		2437
1854	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1855		2439
1856	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1935	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1938		2522
1939	$map->load;	2523	$map->load;
1940	$map->load_diag;	2524	$map->load_neighbours;
1941		2525
1942	return unless $self->contr->active;	2526	return unless $self->contr->active;
1943	$self->activate_recursive;	2527	$self->activate_recursive;
1944		2528
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2530	$self->enter_map ($map, $x, $y);
1947	}	2531	}
1948		2532
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2534
1951	Moves the player to the given map-path and coordinates by first freezing	2535	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2536	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2537	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2538	the new (success) or old (failed) map position. In either case, $done will
		2539	be called at the end of this process.
1955		2540
1956	=cut	2541	=cut
1957		2542
1958	our $GOTOGEN;	2543	our $GOTOGEN;
1959		2544
1960	sub cf::object::player::goto {	2545	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2546	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2547
1963	# do generation counting so two concurrent goto's will be executed in-order	2548	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2549	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2550
1966	$self->enter_link;	2551	$self->enter_link;
1967		2552
1968	(async {	2553	(async {
		2554	$Coro::current->{desc} = "player::goto $path $x $y";
		2555
		2556	# *tag paths override both path and x|y
		2557	if ($path =~ /^\*(.*)$/) {
		2558	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2559	my $ob = $obs[rand @obs];
		2560
		2561	# see if we actually can go there
		2562	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2563	$ob = $obs[rand @obs];
		2564	} else {
		2565	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2566	}
		2567	# else put us there anyways for now #d#
		2568
		2569	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2570	} else {
		2571	($path, $x, $y) = (undef, undef, undef);
		2572	}
		2573	}
		2574
1969	my $map = eval {	2575	my $map = eval {
1970	my $map = cf::map::find $path;	2576	my $map = defined $path ? cf::map::find $path : undef;
1971		2577
1972	if ($map) {	2578	if ($map) {
1973	$map = $map->customise_for ($self);	2579	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2580	$map = $check->($map) if $check && $map;
1975	} else {	2581	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2582	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2583	}
1978		2584
1979	$map	2585	$map
1980	};	2586	};
1981		2587
…		…
1986		2592
1987	if ($gen == $self->{_goto_generation}) {	2593	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2594	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2595	$self->leave_link ($map, $x, $y);
1990	}	2596	}
		2597
		2598	$done->() if $done;
1991	})->prio (1);	2599	})->prio (1);
1992	}	2600	}
1993		2601
1994	=item $player_object->enter_exit ($exit_object)	2602	=item $player_object->enter_exit ($exit_object)
1995		2603
…		…
2032	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
2033	}	2641	}
2034		2642
2035	$rmp->{random_seed} ||= $exit->random_seed;	2643	$rmp->{random_seed} ||= $exit->random_seed;
2036		2644
2037	my $data = cf::to_json $rmp;	2645	my $data = cf::encode_json $rmp;
2038	my $md5 = Digest::MD5::md5_hex $data;	2646	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2647	my $meta = "$RANDOMDIR/$md5.meta";
2040		2648
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2650	aio_write $fh, 0, (length $data), $data, 0;
…		…
2064	my $hp = $exit->stats->hp;	2672	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;	2673	my $sp = $exit->stats->sp;
2066		2674
2067	$self->enter_link;	2675	$self->enter_link;
2068		2676
		2677	# if exit is damned, update players death & WoR home-position
		2678	$self->contr->savebed ($slaying, $hp, $sp)
		2679	if $exit->flag (FLAG_DAMNED);
		2680
2069	(async {	2681	(async {
		2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2683
2070	$self->deactivate_recursive; # just to be sure	2684	$self->deactivate_recursive; # just to be sure
2071	unless (eval {	2685	unless (eval {
2072	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($slaying, $hp, $sp);
2073		2687
2074	1;	2688	1;
…		…
2100		2714
2101	utf8::encode $text;	2715	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2716	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2717	}
2104		2718
		2719	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2720
		2721	Send a drawinfo or msg packet to the client, formatting the msg for the
		2722	client if neccessary. C<$type> should be a string identifying the type of
		2723	the message, with C<log> being the default. If C<$color> is negative, suppress
		2724	the message unless the client supports the msg packet.
		2725
		2726	=cut
		2727
		2728	# non-persistent channels (usually the info channel)
		2729	our %CHANNEL = (
		2730	"c/identify" => {
		2731	id => "infobox",
		2732	title => "Identify",
		2733	reply => undef,
		2734	tooltip => "Items recently identified",
		2735	},
		2736	"c/examine" => {
		2737	id => "infobox",
		2738	title => "Examine",
		2739	reply => undef,
		2740	tooltip => "Signs and other items you examined",
		2741	},
		2742	"c/book" => {
		2743	id => "infobox",
		2744	title => "Book",
		2745	reply => undef,
		2746	tooltip => "The contents of a note or book",
		2747	},
		2748	"c/lookat" => {
		2749	id => "infobox",
		2750	title => "Look",
		2751	reply => undef,
		2752	tooltip => "What you saw there",
		2753	},
		2754	"c/who" => {
		2755	id => "infobox",
		2756	title => "Players",
		2757	reply => undef,
		2758	tooltip => "Shows players who are currently online",
		2759	},
		2760	"c/body" => {
		2761	id => "infobox",
		2762	title => "Body Parts",
		2763	reply => undef,
		2764	tooltip => "Shows which body parts you posess and are available",
		2765	},
		2766	"c/uptime" => {
		2767	id => "infobox",
		2768	title => "Uptime",
		2769	reply => undef,
		2770	tooltip => "How long the server has been running since last restart",
		2771	},
		2772	"c/mapinfo" => {
		2773	id => "infobox",
		2774	title => "Map Info",
		2775	reply => undef,
		2776	tooltip => "Information related to the maps",
		2777	},
		2778	);
		2779
		2780	sub cf::client::send_msg {
		2781	my ($self, $channel, $msg, $color, @extra) = @_;
		2782
		2783	$msg = $self->pl->expand_cfpod ($msg);
		2784
		2785	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2786
		2787	# check predefined channels, for the benefit of C
		2788	if ($CHANNEL{$channel}) {
		2789	$channel = $CHANNEL{$channel};
		2790
		2791	$self->ext_msg (channel_info => $channel)
		2792	if $self->can_msg;
		2793
		2794	$channel = $channel->{id};
		2795
		2796	} elsif (ref $channel) {
		2797	# send meta info to client, if not yet sent
		2798	unless (exists $self->{channel}{$channel->{id}}) {
		2799	$self->{channel}{$channel->{id}} = $channel;
		2800	$self->ext_msg (channel_info => $channel)
		2801	if $self->can_msg;
		2802	}
		2803
		2804	$channel = $channel->{id};
		2805	}
		2806
		2807	return unless @extra || length $msg;
		2808
		2809	if ($self->can_msg) {
		2810	# default colour, mask it out
		2811	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2812	if $color & cf::NDI_DEF;
		2813
		2814	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2815	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2816	} else {
		2817	if ($color >= 0) {
		2818	# replace some tags by gcfclient-compatible ones
		2819	for ($msg) {
		2820	1 while
		2821	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2822	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2823	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2824	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2825	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2826	}
		2827
		2828	$color &= cf::NDI_COLOR_MASK;
		2829
		2830	utf8::encode $msg;
		2831
		2832	if (0 && $msg =~ /\[/) {
		2833	# COMMAND/INFO
		2834	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2835	} else {
		2836	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2837	$self->send_packet ("drawinfo $color $msg")
		2838	}
		2839	}
		2840	}
		2841	}
		2842
2105	=item $client->ext_event ($type, %msg)	2843	=item $client->ext_msg ($type, @msg)
2106		2844
2107	Sends an exti event to the client.	2845	Sends an ext event to the client.
2108		2846
2109	=cut	2847	=cut
2110		2848
2111	sub cf::client::ext_event($$%) {	2849	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2850	my ($self, $type, @msg) = @_;
2113		2851
		2852	if ($self->extcmd == 2) {
		2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2854	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2855	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
		2858	}
		2859
		2860	=item $client->ext_reply ($msgid, @msg)
		2861
		2862	Sends an ext reply to the client.
		2863
		2864	=cut
		2865
		2866	sub cf::client::ext_reply($$@) {
		2867	my ($self, $id, @msg) = @_;
		2868
		2869	if ($self->extcmd == 2) {
		2870	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2871	} elsif ($self->extcmd == 1) {
		2872	#TODO: version 1, remove
		2873	unshift @msg, msgtype => "reply", msgid => $id;
		2874	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2875	}
2116	}	2876	}
2117		2877
2118	=item $success = $client->query ($flags, "text", \&cb)	2878	=item $success = $client->query ($flags, "text", \&cb)
2119		2879
2120	Queues a query to the client, calling the given callback with	2880	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2881	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2882	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		2883
2124	Queries can fail, so check the return code. Or don't, as queries will become	2884	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	2885	become reliable at some point in the future.
2126		2886
2127	=cut	2887	=cut
2128		2888
2129	sub cf::client::query {	2889	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	2890	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	2898	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2899	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		2900
2141	$self->send_packet ($self->{query_queue}[0][0])	2901	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	2902	if @{ $self->{query_queue} } == 1;
		2903
		2904	1
2143	}	2905	}
2144		2906
2145	cf::client->attach (	2907	cf::client->attach (
		2908	on_connect => sub {
		2909	my ($ns) = @_;
		2910
		2911	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2912	},
2146	on_reply => sub {	2913	on_reply => sub {
2147	my ($ns, $msg) = @_;	2914	my ($ns, $msg) = @_;
2148		2915
2149	# this weird shuffling is so that direct followup queries	2916	# this weird shuffling is so that direct followup queries
2150	# get handled first	2917	# get handled first
…		…
2162	} else {	2929	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2930	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	2931	}
2165	}	2932	}
2166	},	2933	},
		2934	on_exticmd => sub {
		2935	my ($ns, $buf) = @_;
		2936
		2937	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2938
		2939	if (ref $msg) {
		2940	my ($type, $reply, @payload) =
		2941	"ARRAY" eq ref $msg
		2942	? @$msg
		2943	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2944
		2945	my @reply;
		2946
		2947	if (my $cb = $EXTICMD{$type}) {
		2948	@reply = $cb->($ns, @payload);
		2949	}
		2950
		2951	$ns->ext_reply ($reply, @reply)
		2952	if $reply;
		2953
		2954	} else {
		2955	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2956	}
		2957
		2958	cf::override;
		2959	},
2167	);	2960	);
2168		2961
2169	=item $client->async (\&cb)	2962	=item $client->async (\&cb)
2170		2963
2171	Create a new coroutine, running the specified callback. The coroutine will	2964	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	3005	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3006	our $safe_hole = new Safe::Hole;
2214		3007
2215	$SIG{FPE} = 'IGNORE';	3008	$SIG{FPE} = 'IGNORE';
2216		3009
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3010	$safe->permit_only (Opcode::opset qw(
		3011	:base_core :base_mem :base_orig :base_math
		3012	grepstart grepwhile mapstart mapwhile
		3013	sort time
		3014	));
2218		3015
2219	# here we export the classes and methods available to script code	3016	# here we export the classes and methods available to script code
2220		3017
2221	=pod	3018	=pod
2222		3019
2223	The following functions and methods are available within a safe environment:	3020	The following functions and methods are available within a safe environment:
2224		3021
2225	cf::object contr pay_amount pay_player map	3022	cf::object
		3023	contr pay_amount pay_player map x y force_find force_add destroy
		3024	insert remove name archname title slaying race decrease_ob_nr
		3025
2226	cf::object::player player	3026	cf::object::player
2227	cf::player peaceful	3027	player
2228	cf::map trigger	3028
		3029	cf::player
		3030	peaceful
		3031
		3032	cf::map
		3033	trigger
2229		3034
2230	=cut	3035	=cut
2231		3036
2232	for (	3037	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3038	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3039	insert remove inv name archname title slaying race
		3040	decrease_ob_nr destroy)],
2234	["cf::object::player" => qw(player)],	3041	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3042	["cf::player" => qw(peaceful)],
2236	["cf::map" => qw(trigger)],	3043	["cf::map" => qw(trigger)],
2237	) {	3044	) {
2238	no strict 'refs';	3045	no strict 'refs';
…		…
2309	=back	3116	=back
2310		3117
2311	=cut	3118	=cut
2312		3119
2313	#############################################################################	3120	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	3121	# the server's init and main functions
2487		3122
2488	sub load_facedata($) {	3123	sub load_facedata($) {
2489	my ($path) = @_;	3124	my ($path) = @_;
		3125
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
		3130	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490		3131
2491	warn "loading facedata from $path\n";	3132	warn "loading facedata from $path\n";
2492		3133
2493	my $facedata;	3134	my $facedata;
2494	0 < aio_load $path, $facedata	3135	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	3138	$facedata = Coro::Storable::thaw $facedata;
2498		3139
2499	$facedata->{version} == 2	3140	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3141	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3142
		3143	# patch in the exptable
		3144	$facedata->{resource}{"res/exp_table"} = {
		3145	type => FT_RSRC,
		3146	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3147	};
		3148	cf::cede_to_tick;
		3149
2502	{	3150	{
2503	my $faces = $facedata->{faceinfo};	3151	my $faces = $facedata->{faceinfo};
2504		3152
2505	while (my ($face, $info) = each %$faces) {	3153	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3155
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3156	cf::face::set_visibility $idx, $info->{visibility};
		3157	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3160
		3161	cf::cede_to_tick;
2511	}	3162	}
2512		3163
2513	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3165	next unless $info->{smooth};
		3166
2515	my $idx = cf::face::find $face	3167	my $idx = cf::face::find $face
2516	or next;	3168	or next;
		3169
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3170	if (my $smooth = cf::face::find $info->{smooth}) {
		3171	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3173	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3174	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3175	}
2522	Coro::cede;	3176
		3177	cf::cede_to_tick;
2523	}	3178	}
2524	}	3179	}
2525		3180
2526	{	3181	{
2527	my $anims = $facedata->{animinfo};	3182	my $anims = $facedata->{animinfo};
2528		3183
2529	while (my ($anim, $info) = each %$anims) {	3184	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3185	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3186	cf::cede_to_tick;
2532	}	3187	}
2533		3188
2534	cf::anim::invalidate_all; # d'oh	3189	cf::anim::invalidate_all; # d'oh
2535	}	3190	}
2536		3191
		3192	{
		3193	# TODO: for gcfclient pleasure, we should give resources
		3194	# that gcfclient doesn't grok a >10000 face index.
		3195	my $res = $facedata->{resource};
		3196
		3197	while (my ($name, $info) = each %$res) {
		3198	if (defined $info->{type}) {
		3199	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3200	my $data;
		3201
		3202	if ($info->{type} & 1) {
		3203	# prepend meta info
		3204
		3205	my $meta = $enc->encode ({
		3206	name => $name,
		3207	%{ $info->{meta} || {} },
		3208	});
		3209
		3210	$data = pack "(w/a*)*", $meta, $info->{data};
		3211	} else {
		3212	$data = $info->{data};
		3213	}
		3214
		3215	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3216	cf::face::set_type $idx, $info->{type};
		3217	} else {
		3218	$RESOURCE{$name} = $info;
		3219	}
		3220
		3221	cf::cede_to_tick;
		3222	}
		3223	}
		3224
		3225	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3226
2537	1	3227	1
2538	}	3228	}
2539		3229
		3230	cf::global->attach (on_resource_update => sub {
		3231	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3232	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3233
		3234	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3235	my $sound = $soundconf->{compat}[$_]
		3236	or next;
		3237
		3238	my $face = cf::face::find "sound/$sound->[1]";
		3239	cf::sound::set $sound->[0] => $face;
		3240	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3241	}
		3242
		3243	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3244	my $face = cf::face::find "sound/$v";
		3245	cf::sound::set $k => $face;
		3246	}
		3247	}
		3248	});
		3249
		3250	register_exticmd fx_want => sub {
		3251	my ($ns, $want) = @_;
		3252
		3253	while (my ($k, $v) = each %$want) {
		3254	$ns->fx_want ($k, $v);
		3255	}
		3256	};
		3257
2540	sub reload_regions {	3258	sub reload_regions {
		3259	# HACK to clear player env face cache, we need some signal framework
		3260	# for this (global event?)
		3261	%ext::player_env::MUSIC_FACE_CACHE = ();
		3262
2541	load_resource_file "$MAPDIR/regions"	3263	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3264	or die "unable to load regions file\n";
		3265
		3266	for (cf::region::list) {
		3267	$_->{match} = qr/$_->{match}/
		3268	if exists $_->{match};
		3269	}
2543	}	3270	}
2544		3271
2545	sub reload_facedata {	3272	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3273	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3274	or die "unable to load facedata\n";
2548	}	3275	}
2549		3276
2550	sub reload_archetypes {	3277	sub reload_archetypes {
		3278	load_resource_file "$DATADIR/archetypes"
		3279	or die "unable to load archetypes\n";
		3280	#d# NEED to laod twice to resolve forward references
		3281	# this really needs to be done in an extra post-pass
		3282	# (which needs to be synchronous, so solve it differently)
2551	load_resource_file "$DATADIR/archetypes"	3283	load_resource_file "$DATADIR/archetypes"
2552	or die "unable to load archetypes\n";	3284	or die "unable to load archetypes\n";
2553	}	3285	}
2554		3286
2555	sub reload_treasures {	3287	sub reload_treasures {
…		…
2571		3303
2572	sub init {	3304	sub init {
2573	reload_resources;	3305	reload_resources;
2574	}	3306	}
2575		3307
2576	sub cfg_load {	3308	sub reload_config {
2577	open my $fh, "<:utf8", "$CONFDIR/config"	3309	open my $fh, "<:utf8", "$CONFDIR/config"
2578	or return;	3310	or return;
2579		3311
2580	local $/;	3312	local $/;
2581	*CFG = YAML::Syck::Load <$fh>;	3313	*CFG = YAML::Syck::Load <$fh>;
…		…
2597	sub main {	3329	sub main {
2598	# we must not ever block the main coroutine	3330	# we must not ever block the main coroutine
2599	local $Coro::idle = sub {	3331	local $Coro::idle = sub {
2600	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2601	(async {	3333	(async {
2602	Event::one_event;	3334	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3335	EV::loop EV::LOOP_ONESHOT;
2603	})->prio (Coro::PRIO_MAX);	3336	})->prio (Coro::PRIO_MAX);
2604	};	3337	};
2605		3338
2606	cfg_load;	3339	reload_config;
2607	db_init;	3340	db_init;
2608	load_extensions;	3341	load_extensions;
2609		3342
2610	$TICK_WATCHER->start;	3343	$TICK_WATCHER->start;
		3344	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2611	Event::loop;	3345	EV::loop;
2612	}	3346	}
2613		3347
2614	#############################################################################	3348	#############################################################################
2615	# initialisation and cleanup	3349	# initialisation and cleanup
2616		3350
2617	# install some emergency cleanup handlers	3351	# install some emergency cleanup handlers
2618	BEGIN {	3352	BEGIN {
		3353	our %SIGWATCHER = ();
2619	for my $signal (qw(INT HUP TERM)) {	3354	for my $signal (qw(INT HUP TERM)) {
2620	Event->signal (	3355	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2621	reentrant => 0,
2622	data => WF_AUTOCANCEL,
2623	signal => $signal,
2624	prio => 0,
2625	cb => sub {
2626	cf::cleanup "SIG$signal";	3356	cf::cleanup "SIG$signal";
2627	},
2628	);	3357	};
		3358	}
		3359	}
		3360
		3361	sub write_runtime {
		3362	my $runtime = "$LOCALDIR/runtime";
		3363
		3364	# first touch the runtime file to show we are still running:
		3365	# the fsync below can take a very very long time.
		3366
		3367	IO::AIO::aio_utime $runtime, undef, undef;
		3368
		3369	my $guard = cf::lock_acquire "write_runtime";
		3370
		3371	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3372	or return;
		3373
		3374	my $value = $cf::RUNTIME + 90 + 10;
		3375	# 10 is the runtime save interval, for a monotonic clock
		3376	# 60 allows for the watchdog to kill the server.
		3377
		3378	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3379	and return;
		3380
		3381	# always fsync - this file is important
		3382	aio_fsync $fh
		3383	and return;
		3384
		3385	# touch it again to show we are up-to-date
		3386	aio_utime $fh, undef, undef;
		3387
		3388	close $fh
		3389	or return;
		3390
		3391	aio_rename "$runtime~", $runtime
		3392	and return;
		3393
		3394	warn "runtime file written.\n";
		3395
2629	}	3396	1
2630	}	3397	}
2631		3398
2632	sub emergency_save() {	3399	sub emergency_save() {
2633	my $freeze_guard = cf::freeze_mainloop;	3400	my $freeze_guard = cf::freeze_mainloop;
2634		3401
…		…
2640	# and maps saved/destroyed asynchronously.	3407	# and maps saved/destroyed asynchronously.
2641	warn "begin emergency player save\n";	3408	warn "begin emergency player save\n";
2642	for my $login (keys %cf::PLAYER) {	3409	for my $login (keys %cf::PLAYER) {
2643	my $pl = $cf::PLAYER{$login} or next;	3410	my $pl = $cf::PLAYER{$login} or next;
2644	$pl->valid or next;	3411	$pl->valid or next;
		3412	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2645	$pl->save;	3413	$pl->save;
2646	}	3414	}
2647	warn "end emergency player save\n";	3415	warn "end emergency player save\n";
2648		3416
2649	warn "begin emergency map save\n";	3417	warn "begin emergency map save\n";
…		…
2688	warn "syncing database to disk";	3456	warn "syncing database to disk";
2689	BDB::db_env_txn_checkpoint $DB_ENV;	3457	BDB::db_env_txn_checkpoint $DB_ENV;
2690		3458
2691	# if anything goes wrong in here, we should simply crash as we already saved	3459	# if anything goes wrong in here, we should simply crash as we already saved
2692		3460
2693	warn "cancelling all WF_AUTOCANCEL watchers";
2694	for (Event::all_watchers) {
2695	$_->cancel if $_->data & WF_AUTOCANCEL;
2696	}
2697
2698	warn "flushing outstanding aio requests";	3461	warn "flushing outstanding aio requests";
2699	for (;;) {	3462	for (;;) {
2700	BDB::flush;	3463	BDB::flush;
2701	IO::AIO::flush;	3464	IO::AIO::flush;
2702	Coro::cede;	3465	Coro::cede_notself;
2703	last unless IO::AIO::nreqs || BDB::nreqs;	3466	last unless IO::AIO::nreqs || BDB::nreqs;
2704	warn "iterate...";	3467	warn "iterate...";
2705	}	3468	}
2706		3469
2707	++$RELOAD;	3470	++$RELOAD;
…		…
2711	%EXT_CORO = ();	3474	%EXT_CORO = ();
2712		3475
2713	warn "removing commands";	3476	warn "removing commands";
2714	%COMMAND = ();	3477	%COMMAND = ();
2715		3478
2716	warn "removing ext commands";	3479	warn "removing ext/exti commands";
2717	%EXTCMD = ();	3480	%EXTCMD = ();
		3481	%EXTICMD = ();
2718		3482
2719	warn "unloading/nuking all extensions";	3483	warn "unloading/nuking all extensions";
2720	for my $pkg (@EXTS) {	3484	for my $pkg (@EXTS) {
2721	warn "... unloading $pkg";	3485	warn "... unloading $pkg";
2722		3486
…		…
2765	warn "reloading cf.pm";	3529	warn "reloading cf.pm";
2766	require cf;	3530	require cf;
2767	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2768		3532
2769	warn "loading config and database again";	3533	warn "loading config and database again";
2770	cf::cfg_load;	3534	cf::reload_config;
2771		3535
2772	warn "loading extensions";	3536	warn "loading extensions";
2773	cf::load_extensions;	3537	cf::load_extensions;
2774		3538
2775	warn "reattaching attachments to objects/players";	3539	warn "reattaching attachments to objects/players";
…		…
2795		3559
2796	sub reload_perl() {	3560	sub reload_perl() {
2797	# doing reload synchronously and two reloads happen back-to-back,	3561	# doing reload synchronously and two reloads happen back-to-back,
2798	# coro crashes during coro_state_free->destroy here.	3562	# coro crashes during coro_state_free->destroy here.
2799		3563
2800	$RELOAD_WATCHER ||= Event->timer (	3564	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2801	reentrant => 0,
2802	after => 0,
2803	data => WF_AUTOCANCEL,
2804	cb => sub {
2805	do_reload_perl;
2806	undef $RELOAD_WATCHER;	3565	undef $RELOAD_WATCHER;
2807	},	3566	do_reload_perl;
2808	);	3567	};
2809	}	3568	}
2810		3569
2811	register_command "reload" => sub {	3570	register_command "reload" => sub {
2812	my ($who, $arg) = @_;	3571	my ($who, $arg) = @_;
2813		3572
2814	if ($who->flag (FLAG_WIZ)) {	3573	if ($who->flag (FLAG_WIZ)) {
2815	$who->message ("reloading server.");	3574	$who->message ("reloading server.");
		3575	async {
		3576	$Coro::current->{desc} = "perl_reload";
2816	async { reload_perl };	3577	reload_perl;
		3578	};
2817	}	3579	}
2818	};	3580	};
2819		3581
2820	unshift @INC, $LIBDIR;	3582	unshift @INC, $LIBDIR;
2821		3583
…		…
2840	my $signal = new Coro::Signal;	3602	my $signal = new Coro::Signal;
2841	push @WAIT_FOR_TICK_BEGIN, $signal;	3603	push @WAIT_FOR_TICK_BEGIN, $signal;
2842	$signal->wait;	3604	$signal->wait;
2843	}	3605	}
2844		3606
2845	my $min = 1e6;#d#	3607	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2846	my $avg = 10;
2847	$TICK_WATCHER = Event->timer (
2848	reentrant => 0,
2849	parked => 1,
2850	prio => 0,
2851	at => $NEXT_TICK || $TICK,
2852	data => WF_AUTOCANCEL,
2853	cb => sub {
2854	if ($Coro::current != $Coro::main) {	3608	if ($Coro::current != $Coro::main) {
2855	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3609	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2856	unless ++$bug_warning > 10;	3610	unless ++$bug_warning > 10;
2857	return;	3611	return;
2858	}	3612	}
2859		3613
2860	$NOW = $tick_start = Event::time;	3614	$NOW = $tick_start = EV::now;
2861		3615
2862	cf::server_tick; # one server iteration	3616	cf::server_tick; # one server iteration
2863		3617
2864	0 && sync_job {#d#	3618	$RUNTIME += $TICK;
2865	for(1..10) {	3619	$NEXT_TICK = $_[0]->at;
2866	my $t = Event::time;
2867	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2868	or die;
2869		3620
2870	$map->width (50);	3621	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2871	$map->height (50);	3622	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2872	$map->alloc;	3623	Coro::async_pool {
2873	$map->_load_objects ("/tmp/x.map", 1);	3624	$Coro::current->{desc} = "runtime saver";
2874	my $t = Event::time - $t;	3625	write_runtime
2875		3626	or warn "ERROR: unable to write runtime file: $!";
2876	#next unless $t < 0.0013;#d#
2877	if ($t < $min) {
2878	$min = $t;
2879	}
2880	$avg = $avg * 0.99 + $t * 0.01;
2881	}
2882	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2883	exit 0;
2884	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2885	};	3627	};
		3628	}
2886		3629
2887	$RUNTIME += $TICK;
2888	$NEXT_TICK += $TICK;
2889
2890	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2891	$NEXT_RUNTIME_WRITE = $NOW + 10;
2892	Coro::async_pool {
2893	write_runtime
2894	or warn "ERROR: unable to write runtime file: $!";
2895	};
2896	}
2897
2898	# my $AFTER = Event::time;
2899	# warn $AFTER - $NOW;#d#
2900
2901	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3630	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2902	$sig->send;	3631	$sig->send;
2903	}	3632	}
2904	while (my $sig = shift @WAIT_FOR_TICK) {	3633	while (my $sig = shift @WAIT_FOR_TICK) {
2905	$sig->send;	3634	$sig->send;
2906	}	3635	}
2907		3636
2908	$NOW = Event::time;
2909
2910	# if we are delayed by four ticks or more, skip them all
2911	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2912
2913	$TICK_WATCHER->at ($NEXT_TICK);
2914	$TICK_WATCHER->start;
2915
2916	$LOAD = ($NOW - $tick_start) / $TICK;	3637	$LOAD = ($NOW - $tick_start) / $TICK;
2917	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3638	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2918		3639
2919	_post_tick;	3640	_post_tick;
2920		3641	};
2921		3642	$TICK_WATCHER->priority (EV::MAXPRI);
2922	},
2923	);
2924		3643
2925	{	3644	{
2926	BDB::max_poll_time $TICK * 0.1;	3645	# configure BDB
2927	$BDB_POLL_WATCHER = Event->io (	3646
2928	reentrant => 0,
2929	fd => BDB::poll_fileno,
2930	poll => 'r',
2931	prio => 0,
2932	data => WF_AUTOCANCEL,
2933	cb => \&BDB::poll_cb,
2934	);
2935	BDB::min_parallel 8;	3647	BDB::min_parallel 8;
2936		3648	BDB::max_poll_reqs $TICK * 0.1;
2937	BDB::set_sync_prepare {	3649	$Coro::BDB::WATCHER->priority (1);
2938	my $status;
2939	my $current = $Coro::current;
2940	(
2941	sub {
2942	$status = $!;
2943	$current->ready; undef $current;
2944	},
2945	sub {
2946	Coro::schedule while defined $current;
2947	$! = $status;
2948	},
2949	)
2950	};
2951		3650
2952	unless ($DB_ENV) {	3651	unless ($DB_ENV) {
2953	$DB_ENV = BDB::db_env_create;	3652	$DB_ENV = BDB::db_env_create;
		3653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3654	| BDB::LOG_AUTOREMOVE, 1);
		3655	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3656	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2954		3657
2955	cf::sync_job {	3658	cf::sync_job {
2956	eval {	3659	eval {
2957	BDB::db_env_open	3660	BDB::db_env_open
2958	$DB_ENV,	3661	$DB_ENV,
…		…
2960	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3663	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2961	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3664	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2962	0666;	3665	0666;
2963		3666
2964	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3667	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2965
2966	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2967	$DB_ENV->set_lk_detect;
2968	};	3668	};
2969		3669
2970	cf::cleanup "db_env_open(db): $@" if $@;	3670	cf::cleanup "db_env_open(db): $@" if $@;
2971	};	3671	};
2972	}	3672	}
		3673
		3674	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3675	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3676	};
		3677	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3678	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3679	};
		3680	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3681	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3682	};
2973	}	3683	}
2974		3684
2975	{	3685	{
		3686	# configure IO::AIO
		3687
2976	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2977
2978	undef $Coro::AIO::WATCHER;
2979	IO::AIO::max_poll_time $TICK * 0.1;	3689	IO::AIO::max_poll_time $TICK * 0.1;
2980	$AIO_POLL_WATCHER = Event->io (	3690	$Coro::AIO::WATCHER->priority (1);
2981	reentrant => 0,
2982	data => WF_AUTOCANCEL,
2983	fd => IO::AIO::poll_fileno,
2984	poll => 'r',
2985	prio => 6,
2986	cb => \&IO::AIO::poll_cb,
2987	);
2988	}	3691	}
2989		3692
2990	my $_log_backtrace;	3693	my $_log_backtrace;
2991		3694
2992	sub _log_backtrace {	3695	sub _log_backtrace {
…		…
2996		3699
2997	# limit the # of concurrent backtraces	3700	# limit the # of concurrent backtraces
2998	if ($_log_backtrace < 2) {	3701	if ($_log_backtrace < 2) {
2999	++$_log_backtrace;	3702	++$_log_backtrace;
3000	async {	3703	async {
		3704	$Coro::current->{desc} = "abt $msg";
		3705
3001	my @bt = fork_call {	3706	my @bt = fork_call {
3002	@addr = map { sprintf "%x", $_ } @addr;	3707	@addr = map { sprintf "%x", $_ } @addr;
3003	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3708	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3004	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3709	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3005	or die "addr2line: $!";	3710	or die "addr2line: $!";

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