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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs.
Revision 1.396 by root, Wed Nov 14 08:09:46 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;
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 4.1 ();
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::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	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	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		42
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
44		45
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		47
…		…
49	our %COMMAND = ();	50	our %COMMAND = ();
50	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
51		52
52	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
56		58
57	our $RELOAD; # number of reloads so far	59	our $RELOAD; # number of reloads so far
58	our @EVENT;	60	our @EVENT;
…		…
76	our $NEXT_TICK;	78	our $NEXT_TICK;
77	our $NOW;	79	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		81
80	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	86	our $DB_ENV;
82		87
83	our %CFG;	88	our %CFG;
84		89
85	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	91	our $RUNTIME;
87		92
88	our %PLAYER; # all users	93	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	94	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	95	our $LINK_MAP; # the special {link} map, which is always available
91		96
92	# used to convert map paths into valid unix filenames by replacing / by ∕	97	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		99
…		…
155		160
156	The raw value load value from the last tick.	161	The raw value load value from the last tick.
157		162
158	=item %cf::CFG	163	=item %cf::CFG
159		164
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	165	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	166	from wherever your confdir points to.
162		167
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	168	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		169
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	170	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	171	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.	172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		173
		174	=item @cf::INVOKE_RESULTS
		175
		176	This array contains the results of the last C<invoke ()> call. When
		177	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		178	that call.
		179
169	=back	180	=back
170		181
171	=cut	182	=cut
172		183
173	BEGIN {	184	BEGIN {
…		…
177	$msg .= "\n"	188	$msg .= "\n"
178	unless $msg =~ /\n$/;	189	unless $msg =~ /\n$/;
179		190
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	191	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		192
182	utf8::encode $msg;
183	LOG llevError, $msg;	193	LOG llevError, $msg;
184	};	194	};
185	}	195	}
186		196
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		204
194	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	206	# within the Safe compartment.
196	for my $pkg (qw(	207	for my $pkg (qw(
197	cf::global cf::attachable	208	cf::global cf::attachable
…		…
202	)) {	213	)) {
203	no strict 'refs';	214	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	216	}
206		217
207	$Event::DIED = sub {	218	$EV::DIED = sub {
208	warn "error in event callback: @_";	219	warn "error in event callback: @_";
209	};	220	};
		221
		222	#############################################################################
210		223
211	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
212		225
213	=over 4	226	=over 4
214		227
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	247	$d
235	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
236	}	249	}
237		250
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
241		252
242	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
243		254
244	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
245		256
246	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
247		265
248	=item cf::lock_wait $string	266	=item cf::lock_wait $string
249		267
250	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
251		269
…		…
254	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
257	returned.	275	returned.
258		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
259	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
261		282
262	=item $locked = cf::lock_active $string	283	=item $locked = cf::lock_active $string
263		284
264	Return true if the lock is currently active, i.e. somebody has locked it.	285	Return true if the lock is currently active, i.e. somebody has locked it.
265		286
266	=cut	287	=cut
267		288
268	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
269		291
270	sub lock_wait($) {	292	sub lock_wait($) {
271	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
272		299
273	# wait for lock, if any	300	# wait for lock, if any
274	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	303	Coro::schedule;
…		…
282		309
283	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
284	lock_wait $key;	311	lock_wait $key;
285		312
286	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
287		315
288	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
291	}	320	}
292	}	321	}
293		322
…		…
305	};	334	};
306	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
307	$guard	336	$guard
308	}	337	}
309		338
		339	=item cf::periodic $interval, $cb
		340
		341	Like EV::periodic, but randomly selects a starting point so that the actions
		342	get spread over timer.
		343
		344	=cut
		345
		346	sub periodic($$) {
		347	my ($interval, $cb) = @_;
		348
		349	my $start = rand List::Util::min 180, $interval;
		350
		351	EV::periodic $start, $interval, 0, $cb
		352	}
		353
		354	=item cf::get_slot $time[, $priority[, $name]]
		355
		356	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		357	This call blocks and returns only when you have at least C<$time> seconds
		358	of cpu time till the next tick. The slot is only valid till the next cede.
		359
		360	The optional C<$name> can be used to identify the job to run. It might be
		361	used for statistical purposes and should identify the same time-class.
		362
		363	Useful for short background jobs.
		364
		365	=cut
		366
		367	our @SLOT_QUEUE;
		368	our $SLOT_QUEUE;
		369
		370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		371	$SLOT_QUEUE = Coro::async {
		372	$Coro::current->desc ("timeslot manager");
		373
		374	my $signal = new Coro::Signal;
		375
		376	while () {
		377	next_job:
		378	my $avail = cf::till_tick;
		379	if ($avail > 0.01) {
		380	for (0 .. $#SLOT_QUEUE) {
		381	if ($SLOT_QUEUE[$_][0] < $avail) {
		382	my $job = splice @SLOT_QUEUE, $_, 1, ();
		383	$job->[2]->send;
		384	Coro::cede;
		385	goto next_job;
		386	}
		387	}
		388	}
		389
		390	if (@SLOT_QUEUE) {
		391	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		392	push @cf::WAIT_FOR_TICK, $signal;
		393	$signal->wait;
		394	} else {
		395	Coro::schedule;
		396	}
		397	}
		398	};
		399
		400	sub get_slot($;$$) {
		401	my ($time, $pri, $name) = @_;
		402
		403	$time = $TICK * .6 if $time > $TICK * .6;
		404	my $sig = new Coro::Signal;
		405
		406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		408	$SLOT_QUEUE->ready;
		409	$sig->wait;
		410	}
		411
310	=item cf::async { BLOCK }	412	=item cf::async { BLOCK }
311		413
312	Currently the same as Coro::async_pool, meaning you cannot use	414	Currently the same as Coro::async_pool, meaning you cannot use
313	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	415	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
314	thing you are allowed to do is call C<prio> on it.	416	thing you are allowed to do is call C<prio> on it.
…		…
317		419
318	BEGIN { *async = \&Coro::async_pool }	420	BEGIN { *async = \&Coro::async_pool }
319		421
320	=item cf::sync_job { BLOCK }	422	=item cf::sync_job { BLOCK }
321		423
322	The design of crossfire+ requires that the main coro ($Coro::main) is	424	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	425	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	426	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		427	acceptable.
325		428
326	If it must be done, put the blocking parts into C<sync_job>. This will run	429	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	430	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	431	server will be frozen during this time, so the block should either finish
329	fast or be very important.	432	fast or be very important.
…		…
332		435
333	sub sync_job(&) {	436	sub sync_job(&) {
334	my ($job) = @_;	437	my ($job) = @_;
335		438
336	if ($Coro::current == $Coro::main) {	439	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	440	my $time = EV::time;
338		441
339	# this is the main coro, too bad, we have to block	442	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	443	# till the operation succeeds, freezing the server :/
341		444
		445	LOG llevError, Carp::longmess "sync job";#d#
		446
342	# TODO: use suspend/resume instead	447	# TODO: use suspend/resume instead
343	# (but this is cancel-safe)	448	# (but this is cancel-safe)
344	my $freeze_guard = freeze_mainloop;	449	my $freeze_guard = freeze_mainloop;
345		450
346	my $busy = 1;	451	my $busy = 1;
347	my @res;	452	my @res;
348		453
349	(async {	454	(async {
		455	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	456	@res = eval { $job->() };
351	warn $@ if $@;	457	warn $@ if $@;
352	undef $busy;	458	undef $busy;
353	})->prio (Coro::PRIO_MAX);	459	})->prio (Coro::PRIO_MAX);
354		460
355	while ($busy) {	461	while ($busy) {
356	Coro::cede or Event::one_event;	462	if (Coro::nready) {
		463	Coro::cede_notself;
		464	} else {
		465	EV::loop EV::LOOP_ONESHOT;
357	}	466	}
		467	}
358		468
359	$time = Event::time - $time;	469	$time = EV::time - $time;
360		470
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"	471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363		473
364	$tick_start += $time; # do not account sync jobs to server load	474	$tick_start += $time; # do not account sync jobs to server load
…		…
389	$EXT_CORO{$coro+0} = $coro;	499	$EXT_CORO{$coro+0} = $coro;
390		500
391	$coro	501	$coro
392	}	502	}
393		503
394	sub write_runtime {	504	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		505
397	# first touch the runtime file to show we are still running:	506	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	507	process, returning the results. Everything must be serialisable with
		508	Coro::Storable. May, of course, block. Note that the executed sub may
		509	never block itself or use any form of event handling.
399		510
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	511	=cut
401	utime undef, undef, $fh;	512
		513	sub fork_call(&@) {
		514	my ($cb, @args) = @_;
		515
		516	# we seemingly have to make a local copy of the whole thing,
		517	# otherwise perl prematurely frees the stuff :/
		518	# TODO: investigate and fix (likely this will be rather laborious)
		519
		520	my @res = Coro::Util::fork_eval {
		521	reset_signals;
		522	&$cb
		523	}, @args;
		524
		525	wantarray ? @res : $res[-1]
		526	}
		527
		528	=item $value = cf::db_get $family => $key
		529
		530	Returns a single value from the environment database.
		531
		532	=item cf::db_put $family => $key => $value
		533
		534	Stores the given C<$value> in the family. It can currently store binary
		535	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		536
		537	=item $db = cf::db_table "name"
		538
		539	Create and/or open a new database table. The string must not be "db" and must be unique
		540	within each server.
		541
		542	=cut
		543
		544	sub db_table($) {
		545	my ($name) = @_;
		546	my $db = BDB::db_create $DB_ENV;
		547
		548	eval {
		549	$db->set_flags (BDB::CHKSUM);
		550
		551	utf8::encode $name;
		552	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		553	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		554	cf::cleanup "db_open(db): $!" if $!;
402	}	555	};
		556	cf::cleanup "db_open(db): $@" if $@;
403		557
404	my $guard = cf::lock_acquire "write_runtime";	558	$db
		559	}
405		560
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	561	our $DB;
407	or return;
408		562
409	my $value = $cf::RUNTIME + 90 + 10;	563	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	564	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	565	$DB ||= db_table "db";
		566	};
		567	}
412		568
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	569	sub db_get($$) {
414	and return;	570	my $key = "$_[0]/$_[1]";
415		571
416	# always fsync - this file is important	572	cf::sync_job {
417	aio_fsync $fh	573	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		574
420	# touch it again to show we are up-to-date	575	$! ? ()
421	utime undef, undef, $fh;	576	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	577	}
		578	}
		579
		580	sub db_put($$$) {
		581	BDB::dbreq_pri 4;
		582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		583	}
		584
		585	=item cf::cache $id => [$paths...], $processversion => $process
		586
		587	Generic caching function that returns the value of the resource $id,
		588	caching and regenerating as required.
		589
		590	This function can block.
		591
		592	=cut
		593
		594	sub cache {
		595	my ($id, $src, $processversion, $process) = @_;
		596
		597	my $meta =
		598	join "\x00",
		599	$processversion,
		600	map {
		601	aio_stat $_
		602	and Carp::croak "$_: $!";
		603
		604	($_, (stat _)[7,9])
		605	} @$src;
		606
		607	my $dbmeta = db_get cache => "$id/meta";
		608	if ($dbmeta ne $meta) {
		609	# changed, we may need to process
		610
		611	my @data;
		612	my $md5;
		613
		614	for (0 .. $#$src) {
		615	0 <= aio_load $src->[$_], $data[$_]
		616	or Carp::croak "$src->[$_]: $!";
		617	}
		618
		619	# if processing is expensive, check
		620	# checksum first
		621	if (1) {
		622	$md5 =
		623	join "\x00",
		624	$processversion,
		625	map {
		626	cf::cede_to_tick;
		627	($src->[$_], Digest::MD5::md5_hex $data[$_])
		628	} 0.. $#$src;
		629
		630
		631	my $dbmd5 = db_get cache => "$id/md5";
		632	if ($dbmd5 eq $md5) {
		633	db_put cache => "$id/meta", $meta;
		634
		635	return db_get cache => "$id/data";
		636	}
		637	}
		638
		639	my $t1 = Time::HiRes::time;
		640	my $data = $process->(\@data);
		641	my $t2 = Time::HiRes::time;
		642
		643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		644
		645	db_put cache => "$id/data", $data;
		646	db_put cache => "$id/md5" , $md5;
		647	db_put cache => "$id/meta", $meta;
		648
		649	return $data;
		650	}
		651
		652	db_get cache => "$id/data"
432	}	653	}
433		654
434	=item cf::datalog type => key => value, ...	655	=item cf::datalog type => key => value, ...
435		656
436	Log a datalog packet of the given type with the given key-value pairs.	657	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	675	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	676	to it. All such attachable objects support the following methods.
456		677
457	In the following description, CLASS can be any of C<global>, C<object>	678	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	679	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	680	Deliantra).
460		681
461	=over 4	682	=over 4
462		683
463	=item $attachable->attach ($attachment, key => $value...)	684	=item $attachable->attach ($attachment, key => $value...)
464		685
…		…
666	_attach $registry, $klass, @attach;	887	_attach $registry, $klass, @attach;
667	}	888	}
668		889
669	$obj->{$name} = \%arg;	890	$obj->{$name} = \%arg;
670	} else {	891	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	892	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	893	}
673		894
674	$obj->{_attachment}{$name} = undef;	895	$obj->{_attachment}{$name} = undef;
675	}	896	}
676		897
…		…
716	";	937	";
717	die if $@;	938	die if $@;
718	}	939	}
719		940
720	our $override;	941	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	942	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		943
723	sub override {	944	sub override {
724	$override = 1;	945	$override = 1;
725	@invoke_results = ();	946	@INVOKE_RESULTS = (@_);
726	}	947	}
727		948
728	sub do_invoke {	949	sub do_invoke {
729	my $event = shift;	950	my $event = shift;
730	my $callbacks = shift;	951	my $callbacks = shift;
731		952
732	@invoke_results = ();	953	@INVOKE_RESULTS = ();
733		954
734	local $override;	955	local $override;
735		956
736	for (@$callbacks) {	957	for (@$callbacks) {
737	eval { &{$_->[1]} };	958	eval { &{$_->[1]} };
…		…
754		975
755	Generate an object-specific event with the given arguments.	976	Generate an object-specific event with the given arguments.
756		977
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	978	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	979	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	980	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		981
761	=back	982	=back
762		983
763	=cut	984	=cut
764		985
765	#############################################################################	986	#############################################################################
766	# object support	987	# object support
		988
		989	sub _object_equal($$);
		990	sub _object_equal($$) {
		991	my ($a, $b) = @_;
		992
		993	return 0 unless (ref $a) eq (ref $b);
		994
		995	if ("HASH" eq ref $a) {
		996	my @ka = keys %$a;
		997	my @kb = keys %$b;
		998
		999	return 0 if @ka != @kb;
		1000
		1001	for (0 .. $#ka) {
		1002	return 0 unless $ka[$_] eq $kb[$_];
		1003	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1004	}
		1005
		1006	} elsif ("ARRAY" eq ref $a) {
		1007
		1008	return 0 if @$a != @$b;
		1009
		1010	for (0 .. $#$a) {
		1011	return 0 unless _object_equal $a->[$_], $b->[$_];
		1012	}
		1013
		1014	} elsif ($a ne $b) {
		1015	return 0;
		1016	}
		1017
		1018	1
		1019	}
		1020
		1021	our $SLOW_MERGES;#d#
		1022	sub _can_merge {
		1023	my ($ob1, $ob2) = @_;
		1024
		1025	++$SLOW_MERGES;#d#
		1026
		1027	# we do the slow way here
		1028	return _object_equal $ob1, $ob2
		1029	}
767		1030
768	sub reattach {	1031	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1032	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1033	my ($obj) = @_;
771		1034
…		…
818	sub object_freezer_save {	1081	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1082	my ($filename, $rdata, $objs) = @_;
820		1083
821	sync_job {	1084	sync_job {
822	if (length $$rdata) {	1085	if (length $$rdata) {
		1086	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1087	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1088	$decname, length $$rdata, scalar @$objs;
825		1089
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1091	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1093	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1094	close $fh;
831		1095
832	if (@$objs) {	1096	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1100	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1101	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1102	close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1103	aio_rename "$filename.pst~", "$filename.pst";
840	}	1104	}
…		…
848	}	1112	}
849	} else {	1113	} else {
850	aio_unlink $filename;	1114	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1115	aio_unlink "$filename.pst";
852	}	1116	}
853	}	1117	};
854	}	1118	}
855		1119
856	sub object_freezer_as_string {	1120	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1121	my ($rdata, $objs) = @_;
858		1122
…		…
870	or return;	1134	or return;
871		1135
872	unless (aio_stat "$filename.pst") {	1136	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1137	(aio_load "$filename.pst", $av) >= 0
874	or return;	1138	or return;
		1139
875	$av = eval { (Storable::thaw $av)->{objs} };	1140	my $st = eval { Coro::Storable::thaw $av };
		1141	$av = $st->{objs};
876	}	1142	}
877		1143
		1144	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1145	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1146	$decname, length $data, scalar @{$av || []};
		1147
880	return ($data, $av);	1148	($data, $av)
881	}	1149	}
		1150
		1151	=head2 COMMAND CALLBACKS
		1152
		1153	=over 4
		1154
		1155	=cut
882		1156
883	#############################################################################	1157	#############################################################################
884	# command handling &c	1158	# command handling &c
885		1159
886	=item cf::register_command $name => \&callback($ob,$args);	1160	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1173	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1174	}
901		1175
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1176	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1177
904	Register a callbackf ro execution when the client sends an extcmd packet.	1178	Register a callback for execution when the client sends an (synchronous)
		1179	extcmd packet. Ext commands will be processed in the order they are
		1180	received by the server, like other user commands. The first argument is
		1181	the logged-in player. Ext commands can only be processed after a player
		1182	has logged in successfully.
905		1183
906	If the callback returns something, it is sent back as if reply was being	1184	If the callback returns something, it is sent back as if reply was being
907	called.	1185	called.
908		1186
		1187	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1188
		1189	Register a callback for execution when the client sends an (asynchronous)
		1190	exticmd packet. Exti commands are processed by the server as soon as they
		1191	are received, i.e. out of order w.r.t. other commands. The first argument
		1192	is a client socket. Exti commands can be received anytime, even before
		1193	log-in.
		1194
		1195	If the callback returns something, it is sent back as if reply was being
		1196	called.
		1197
909	=cut	1198	=cut
910		1199
911	sub register_extcmd {	1200	sub register_extcmd {
912	my ($name, $cb) = @_;	1201	my ($name, $cb) = @_;
913		1202
914	$EXTCMD{$name} = $cb;	1203	$EXTCMD{$name} = $cb;
		1204	}
		1205
		1206	sub register_exticmd {
		1207	my ($name, $cb) = @_;
		1208
		1209	$EXTICMD{$name} = $cb;
915	}	1210	}
916		1211
917	cf::player->attach (	1212	cf::player->attach (
918	on_command => sub {	1213	on_command => sub {
919	my ($pl, $name, $params) = @_;	1214	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1223	cf::override;
929	},	1224	},
930	on_extcmd => sub {	1225	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1226	my ($pl, $buf) = @_;
932		1227
933	my $msg = eval { from_json $buf };	1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1229
935	if (ref $msg) {	1230	if (ref $msg) {
		1231	my ($type, $reply, @payload) =
		1232	"ARRAY" eq ref $msg
		1233	? @$msg
		1234	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1235
		1236	my @reply;
		1237
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1238	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1239	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1240	}
		1241
		1242	$pl->ext_reply ($reply, @reply)
		1243	if $reply;
		1244
941	} else {	1245	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1247	}
944		1248
945	cf::override;	1249	cf::override;
946	},	1250	},
947	);	1251	);
948		1252
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1253	sub load_extensions {
		1254	cf::sync_job {
		1255	my %todo;
		1256
984	for my $ext (<$LIBDIR/*.ext>) {	1257	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1258	next unless -r $path;
986	eval {	1259
987	load_extension $ext;	1260	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1261	my $base = $1;
		1262	my $pkg = $1;
		1263	$pkg =~ s/[^[:word:]]/_/g;
		1264	$pkg = "ext::$pkg";
		1265
		1266	open my $fh, "<:utf8", $path
		1267	or die "$path: $!";
		1268
		1269	my $source = do { local $/; <$fh> };
		1270
		1271	my %ext = (
		1272	path => $path,
		1273	base => $base,
		1274	pkg => $pkg,
		1275	);
		1276
		1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1279
		1280	$ext{source} =
		1281	"package $pkg; use strict; use utf8;\n"
		1282	. "#line 1 \"$path\"\n{\n"
		1283	. $source
		1284	. "\n};\n1";
		1285
		1286	$todo{$base} = \%ext;
		1287	}
		1288
		1289	my %done;
		1290	while (%todo) {
		1291	my $progress;
		1292
		1293	while (my ($k, $v) = each %todo) {
		1294	for (split /,\s*/, $v->{meta}{depends}) {
		1295	goto skip
		1296	unless exists $done{$_};
		1297	}
		1298
		1299	warn "... loading '$k' into '$v->{pkg}'\n";
		1300
		1301	unless (eval $v->{source}) {
		1302	my $msg = $@ ? "$v->{path}: $@\n"
		1303	: "$v->{base}: extension inactive.\n";
		1304
		1305	if (exists $v->{meta}{mandatory}) {
		1306	warn $msg;
		1307	warn "mandatory extension failed to load, exiting.\n";
		1308	exit 1;
		1309	}
		1310
		1311	warn $msg;
		1312	}
		1313
		1314	$done{$k} = delete $todo{$k};
		1315	push @EXTS, $v->{pkg};
		1316	$progress = 1;
988	1	1317	}
989	} or warn "$ext not loaded: $@";	1318
		1319	skip:
		1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1321	unless $progress;
		1322	}
990	}	1323	};
991	}	1324	}
992		1325
993	#############################################################################	1326	#############################################################################
994		1327
		1328	=back
		1329
995	=head2 CORE EXTENSIONS	1330	=head2 CORE EXTENSIONS
996		1331
997	Functions and methods that extend core crossfire objects.	1332	Functions and methods that extend core crossfire objects.
998		1333
999	=cut	1334	=cut
…		…
1003	use Coro::AIO;	1338	use Coro::AIO;
1004		1339
1005	=head3 cf::player	1340	=head3 cf::player
1006		1341
1007	=over 4	1342	=over 4
		1343
		1344	=item cf::player::num_playing
		1345
		1346	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1347
		1348	=cut
		1349
		1350	sub num_playing {
		1351	scalar grep
		1352	$_->ob->map
		1353	&& !$_->hidden
		1354	&& !$_->ob->flag (cf::FLAG_WIZ),
		1355	cf::player::list
		1356	}
1008		1357
1009	=item cf::player::find $login	1358	=item cf::player::find $login
1010		1359
1011	Returns the given player object, loading it if necessary (might block).	1360	Returns the given player object, loading it if necessary (might block).
1012		1361
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1397	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1398	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1399	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1400	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1401
1053	my $pl = load_pl path $login	1402	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1403	or return;
		1404
		1405	my $pl = cf::player::load_pl $f
		1406	or return;
		1407	local $cf::PLAYER_LOADING{$login} = $pl;
		1408	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1409	$cf::PLAYER{$login} = $pl
1056	}	1410	}
1057	}	1411	}
1058	}	1412	}
1059		1413
…		…
1069		1423
1070	aio_mkdir playerdir $pl, 0770;	1424	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1425	$pl->{last_save} = $cf::RUNTIME;
1072		1426
1073	$pl->save_pl ($path);	1427	$pl->save_pl ($path);
1074	Coro::cede;	1428	cf::cede_to_tick;
1075	}	1429	}
1076		1430
1077	sub new($) {	1431	sub new($) {
1078	my ($login) = @_;	1432	my ($login) = @_;
1079		1433
…		…
1083	$self->{deny_save} = 1;	1437	$self->{deny_save} = 1;
1084		1438
1085	$cf::PLAYER{$login} = $self;	1439	$cf::PLAYER{$login} = $self;
1086		1440
1087	$self	1441	$self
		1442	}
		1443
		1444	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1445
		1446	=cut
		1447
		1448	sub send_msg {
		1449	my $ns = shift->ns
		1450	or return;
		1451	$ns->send_msg (@_);
1088	}	1452	}
1089		1453
1090	=item $pl->quit_character	1454	=item $pl->quit_character
1091		1455
1092	Nukes the player without looking back. If logged in, the connection will	1456	Nukes the player without looking back. If logged in, the connection will
…		…
1147	or return [];	1511	or return [];
1148		1512
1149	my @logins;	1513	my @logins;
1150		1514
1151	for my $login (@$dirs) {	1515	for my $login (@$dirs) {
		1516	my $path = path $login;
		1517
		1518	# a .pst is a dead give-away for a valid player
		1519	unless (-e "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1521	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1522	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1523	}
1155		1524
1156	utf8::decode $login;	1525	utf8::decode $login;
1157	push @logins, $login;	1526	push @logins, $login;
1158	}	1527	}
1159		1528
…		…
1186	}	1555	}
1187		1556
1188	\@paths	1557	\@paths
1189	}	1558	}
1190		1559
		1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1561
		1562	Expand crossfire pod fragments into protocol xml.
		1563
		1564	=cut
		1565
		1566	use re 'eval';
		1567
		1568	my $group;
		1569	my $interior; $interior = qr{
		1570	# match a pod interior sequence sans C<< >>
		1571	(?:
		1572	\ (.*?)\ (?{ $group = $^N })
		1573	| < (??{$interior}) >
		1574	)
		1575	}x;
		1576
		1577	sub expand_cfpod {
		1578	my ($self, $pod) = @_;
		1579
		1580	my $xml;
		1581
		1582	while () {
		1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1584	$group = $1;
		1585
		1586	$group =~ s/&/&amp;/g;
		1587	$group =~ s/</&lt;/g;
		1588
		1589	$xml .= $group;
		1590	} elsif ($pod =~ m%\G
		1591	([BCGHITU])
		1592	<
		1593	(?:
		1594	([^<>]*) (?{ $group = $^N })
		1595	| < $interior >
		1596	)
		1597	>
		1598	%gcsx
		1599	) {
		1600	my ($code, $data) = ($1, $group);
		1601
		1602	if ($code eq "B") {
		1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1604	} elsif ($code eq "I") {
		1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1606	} elsif ($code eq "U") {
		1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1608	} elsif ($code eq "C") {
		1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1610	} elsif ($code eq "T") {
		1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1612	} elsif ($code eq "G") {
		1613	my ($male, $female) = split /\|/, $data;
		1614	$data = $self->gender ? $female : $male;
		1615	$xml .= expand_cfpod ($self, $data);
		1616	} elsif ($code eq "H") {
		1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1619	"")
		1620	[$self->{hintmode}];
		1621	} else {
		1622	$xml .= "error processing '$code($data)' directive";
		1623	}
		1624	} else {
		1625	if ($pod =~ /\G(.+)/) {
		1626	warn "parse error while expanding $pod (at $1)";
		1627	}
		1628	last;
		1629	}
		1630	}
		1631
		1632	for ($xml) {
		1633	# create single paragraphs (very hackish)
		1634	s/(?<=\S)\n(?=\w)/ /g;
		1635
		1636	# compress some whitespace
		1637	s/\s+\n/\n/g; # ws line-ends
		1638	s/\n\n+/\n/g; # double lines
		1639	s/^\n+//; # beginning lines
		1640	s/\n+$//; # ending lines
		1641	}
		1642
		1643	$xml
		1644	}
		1645
		1646	no re 'eval';
		1647
		1648	sub hintmode {
		1649	$_[0]{hintmode} = $_[1] if @_ > 1;
		1650	$_[0]{hintmode}
		1651	}
		1652
1191	=item $player->ext_reply ($msgid, %msg)	1653	=item $player->ext_reply ($msgid, @msg)
1192		1654
1193	Sends an ext reply to the player.	1655	Sends an ext reply to the player.
1194		1656
1195	=cut	1657	=cut
1196		1658
1197	sub ext_reply($$%) {	1659	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1660	my ($self, $id, @msg) = @_;
1199		1661
1200	$msg{msgid} = $id;	1662	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1663	}
1204		1664
1205	=item $player->ext_event ($type, %msg)	1665	=item $player->ext_msg ($type, @msg)
1206		1666
1207	Sends an ext event to the client.	1667	Sends an ext event to the client.
1208		1668
1209	=cut	1669	=cut
1210		1670
1211	sub ext_event($$%) {	1671	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1672	my ($self, $type, @msg) = @_;
1213		1673
1214	$self->ns->ext_event ($type, %msg);	1674	$self->ns->ext_msg ($type, @msg);
1215	}	1675	}
1216		1676
1217	=head3 cf::region	1677	=head3 cf::region
1218		1678
1219	=over 4	1679	=over 4
…		…
1222		1682
1223	package cf::region;	1683	package cf::region;
1224		1684
1225	=item cf::region::find_by_path $path	1685	=item cf::region::find_by_path $path
1226		1686
1227	Tries to decuce the probable region for a map knowing only its path.	1687	Tries to decuce the likely region for a map knowing only its path.
1228		1688
1229	=cut	1689	=cut
1230		1690
1231	sub find_by_path($) {	1691	sub find_by_path($) {
1232	my ($path) = @_;	1692	my ($path) = @_;
1233		1693
1234	my ($match, $specificity);	1694	my ($match, $specificity);
1235		1695
1236	for my $region (list) {	1696	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1697	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1698	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1699	if $region->specificity > $specificity;
1240	}	1700	}
1241	}	1701	}
1242		1702
…		…
1306	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1307		1767
1308	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1309	local $self->{path};	1769	local $self->{path};
1310	local $self->{load_path};	1770	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1771
1314	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1315	}	1773	}
1316		1774
1317	sub normalise {	1775	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1365	return $self;	1823	return $self;
1366	}	1824	}
1367	}	1825	}
1368		1826
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1828	()
1371	}	1829	}
1372		1830
1373	sub init {	1831	sub init {
1374	my ($self) = @_;	1832	my ($self) = @_;
…		…
1417		1875
1418	$_->change_map_light ($change)	1876	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1877	for grep $_->outdoor, values %cf::MAP;
1420	}	1878	}
1421		1879
		1880	sub decay_objects {
		1881	my ($self) = @_;
		1882
		1883	return if $self->{deny_reset};
		1884
		1885	$self->do_decay_objects;
		1886	}
		1887
1422	sub unlink_save {	1888	sub unlink_save {
1423	my ($self) = @_;	1889	my ($self) = @_;
1424		1890
1425	utf8::encode (my $save = $self->save_path);	1891	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1892	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1895
1430	sub load_header_from($) {	1896	sub load_header_from($) {
1431	my ($self, $path) = @_;	1897	my ($self, $path) = @_;
1432		1898
1433	utf8::encode $path;	1899	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1900	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1901	or return;
		1902
		1903	$self->_load_header ($f)
		1904	or return;
		1905
		1906	local $MAP_LOADING{$self->{path}} = $self;
		1907	$f->resolve_delayed_derefs;
1439		1908
1440	$self->{load_path} = $path;	1909	$self->{load_path} = $path;
1441		1910
1442	1	1911	1
1443	}	1912	}
…		…
1482	$self->load_header_orig	1951	$self->load_header_orig
1483	or return;	1952	or return;
1484	$self->prepare_orig;	1953	$self->prepare_orig;
1485	}	1954	}
1486		1955
		1956	$self->{deny_reset} = 1
		1957	if $self->no_reset;
		1958
1487	$self->default_region (cf::region::find_by_path $self->{path})	1959	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1960	unless $self->default_region;
1489		1961
1490	1	1962	1
1491	}	1963	}
…		…
1494	sub find {	1966	sub find {
1495	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1496		1968
1497	$path = normalise $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->path;
1498		1970
		1971	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1972	cf::lock_wait "map_find:$path";
1500		1973
1501	$cf::MAP{$path} || do {	1974	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";	1975	my $guard1 = cf::lock_acquire "map_find:$path";
		1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1977
1503	my $map = new_from_path cf::map $path	1978	my $map = new_from_path cf::map $path
1504	or return;	1979	or return;
1505		1980
1506	$map->{last_save} = $cf::RUNTIME;	1981	$map->{last_save} = $cf::RUNTIME;
1507		1982
1508	$map->load_header	1983	$map->load_header
1509	or return;	1984	or return;
1510		1985
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1987	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1988	#$cf::WAIT_FOR_TICK->wait;
		1989	undef $guard1;
		1990	undef $guard2;
1514	$map->reset;	1991	$map->reset;
1515	undef $guard;
1516	return find $path;	1992	return find $path;
1517	}	1993	}
1518		1994
1519	$cf::MAP{$path} = $map	1995	$cf::MAP{$path} = $map
1520	}	1996	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2005	local $self->{deny_reset} = 1; # loading can take a long time
1530		2006
1531	my $path = $self->{path};	2007	my $path = $self->{path};
1532		2008
1533	{	2009	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2010	my $guard = cf::lock_acquire "map_data:$path";
1535		2011
		2012	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2013	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2014
1538	$self->in_memory (cf::MAP_LOADING);	2015	$self->in_memory (cf::MAP_LOADING);
1539		2016
1540	$self->alloc;	2017	$self->alloc;
1541		2018
1542	$self->pre_load;	2019	$self->pre_load;
1543	Coro::cede;	2020	cf::cede_to_tick;
1544		2021
		2022	my $f = new_from_file cf::object::thawer $self->{load_path};
		2023	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2024	$self->_load_objects ($f)
1546	or return;	2025	or return;
1547		2026
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	2028	if delete $self->{load_original};
1550		2029
1551	if (my $uniq = $self->uniq_path) {	2030	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2031	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2032	unless (aio_stat $uniq) {
		2033	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2034	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2035	$self->_load_objects ($f);
		2036	$f->resolve_delayed_derefs;
		2037	}
1556	}	2038	}
1557	}	2039	}
1558		2040
1559	Coro::cede;	2041	$f->resolve_delayed_derefs;
		2042
		2043	cf::cede_to_tick;
1560	# now do the right thing for maps	2044	# now do the right thing for maps
1561	$self->link_multipart_objects;	2045	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2046	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2047	unless $self->difficulty;
1564	Coro::cede;	2048	cf::cede_to_tick;
1565		2049
1566	unless ($self->{deny_activate}) {	2050	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2051	$self->decay_objects;
1568	$self->fix_auto_apply;	2052	$self->fix_auto_apply;
1569	$self->update_buttons;	2053	$self->update_buttons;
1570	Coro::cede;	2054	cf::cede_to_tick;
1571	$self->set_darkness_map;	2055	$self->set_darkness_map;
1572	Coro::cede;	2056	cf::cede_to_tick;
1573	$self->activate;	2057	$self->activate;
1574	}	2058	}
		2059
		2060	$self->{last_save} = $cf::RUNTIME;
		2061	$self->last_access ($cf::RUNTIME);
1575		2062
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2063	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	2064	}
1578		2065
1579	$self->post_load;	2066	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	2070	my ($self, $ob) = @_;
1584		2071
1585	return find "~" . $ob->name . "/" . $self->{path}	2072	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2073	if $self->per_player;
1587		2074
		2075	# return find "?party/" . $ob->name . "/" . $self->{path}
		2076	# if $self->per_party;
		2077
1588	$self	2078	$self
1589	}	2079	}
1590		2080
1591	# find and load all maps in the 3x3 area around a map	2081	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2082	sub load_neighbours {
1593	my ($map) = @_;	2083	my ($map) = @_;
1594		2084
1595	my @diag; # diagonal neighbours	2085	my @neigh; # diagonal neighbours
1596		2086
1597	for (0 .. 3) {	2087	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2088	my $neigh = $map->tile_path ($_)
1599	or next;	2089	or next;
1600	$neigh = find $neigh, $map	2090	$neigh = find $neigh, $map
1601	or next;	2091	or next;
1602	$neigh->load;	2092	$neigh->load;
1603		2093
		2094	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2097	}
1607		2098
1608	for (@diag) {	2099	for (grep defined $_->[0], @neigh) {
		2100	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2101	my $neigh = find $path, $origin
1610	or next;	2102	or next;
1611	$neigh->load;	2103	$neigh->load;
1612	}	2104	}
1613	}	2105	}
1614		2106
…		…
1619	}	2111	}
1620		2112
1621	sub do_load_sync {	2113	sub do_load_sync {
1622	my ($map) = @_;	2114	my ($map) = @_;
1623		2115
		2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2117	if $Coro::current == $Coro::main;
		2118
1624	cf::sync_job { $map->load };	2119	cf::sync_job { $map->load };
1625	}	2120	}
1626		2121
1627	our %MAP_PREFETCH;	2122	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2123	our $MAP_PREFETCHER = undef;
1629		2124
1630	sub find_async {	2125	sub find_async {
1631	my ($path, $origin) = @_;	2126	my ($path, $origin, $load) = @_;
1632		2127
1633	$path = normalise $path, $origin && $origin->{path};	2128	$path = normalise $path, $origin && $origin->{path};
1634		2129
1635	if (my $map = $cf::MAP{$path}) {	2130	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2132	}
1638		2133
1639	undef $MAP_PREFETCH{$path};	2134	$MAP_PREFETCH{$path} |= $load;
		2135
1640	$MAP_PREFETCHER ||= cf::async {	2136	$MAP_PREFETCHER ||= cf::async {
		2137	$Coro::current->{desc} = "map prefetcher";
		2138
1641	while (%MAP_PREFETCH) {	2139	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2140	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2141	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2142	$map->load if $v;
		2143	}
1646		2144
1647	delete $MAP_PREFETCH{$path};	2145	delete $MAP_PREFETCH{$k};
1648	}	2146	}
1649	}	2147	}
1650	undef $MAP_PREFETCHER;	2148	undef $MAP_PREFETCHER;
1651	};	2149	};
1652	$MAP_PREFETCHER->prio (6);	2150	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2153	}
1656		2154
1657	sub save {	2155	sub save {
1658	my ($self) = @_;	2156	my ($self) = @_;
1659		2157
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2159
1662	$self->{last_save} = $cf::RUNTIME;	2160	$self->{last_save} = $cf::RUNTIME;
1663		2161
1664	return unless $self->dirty;	2162	return unless $self->dirty;
1665		2163
…		…
1671	return if $self->{deny_save};	2169	return if $self->{deny_save};
1672		2170
1673	local $self->{last_access} = $self->last_access;#d#	2171	local $self->{last_access} = $self->last_access;#d#
1674		2172
1675	cf::async {	2173	cf::async {
		2174	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2175	$_->contr->save for $self->players;
1677	};	2176	};
1678		2177
1679	if ($uniq) {	2178	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1688	my ($self) = @_;	2187	my ($self) = @_;
1689		2188
1690	# save first because save cedes	2189	# save first because save cedes
1691	$self->save;	2190	$self->save;
1692		2191
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2192	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2193
1695	return if $self->players;	2194	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2195	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2196	return if $self->{deny_save};
1698		2197
		2198	$self->in_memory (cf::MAP_SWAPPED);
		2199
		2200	$self->deactivate;
		2201	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2202	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2203	}
1702		2204
1703	sub reset_at {	2205	sub reset_at {
1704	my ($self) = @_;	2206	my ($self) = @_;
1705		2207
1706	# TODO: safety, remove and allow resettable per-player maps	2208	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2209	return 1e99 if $self->{deny_reset};
1709		2210
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2213
…		…
1723	my ($self) = @_;	2224	my ($self) = @_;
1724		2225
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2227
1727	return if $self->players;	2228	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2229
1730	warn "resetting map ", $self->path;#d#	2230	warn "resetting map ", $self->path;
1731		2231
1732	$self->in_memory (cf::MAP_SWAPPED);	2232	$self->in_memory (cf::MAP_SWAPPED);
1733		2233
1734	# need to save uniques path	2234	# need to save uniques path
1735	unless ($self->{deny_save}) {	2235	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2239	if $uniq;
1740	}	2240	}
1741		2241
1742	delete $cf::MAP{$self->path};	2242	delete $cf::MAP{$self->path};
1743		2243
		2244	$self->deactivate;
		2245	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2246	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2247
1748	$self->unlink_save;	2248	$self->unlink_save;
1749	$self->destroy;	2249	$self->destroy;
1750	}	2250	}
1751		2251
1752	my $nuke_counter = "aaaa";	2252	my $nuke_counter = "aaaa";
1753		2253
1754	sub nuke {	2254	sub nuke {
1755	my ($self) = @_;	2255	my ($self) = @_;
1756		2256
		2257	{
		2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2259
1757	delete $cf::MAP{$self->path};	2260	delete $cf::MAP{$self->path};
1758		2261
1759	$self->unlink_save;	2262	$self->unlink_save;
1760		2263
1761	bless $self, "cf::map";	2264	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2265	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2266	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2267	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2269
1767	$cf::MAP{$self->path} = $self;	2270	$cf::MAP{$self->path} = $self;
		2271	}
1768		2272
1769	$self->reset; # polite request, might not happen	2273	$self->reset; # polite request, might not happen
		2274	}
		2275
		2276	=item $maps = cf::map::tmp_maps
		2277
		2278	Returns an arrayref with all map paths of currently instantiated and saved
		2279	maps. May block.
		2280
		2281	=cut
		2282
		2283	sub tmp_maps() {
		2284	[
		2285	map {
		2286	utf8::decode $_;
		2287	/\.map$/
		2288	? normalise $_
		2289	: ()
		2290	} @{ aio_readdir $TMPDIR or [] }
		2291	]
		2292	}
		2293
		2294	=item $maps = cf::map::random_maps
		2295
		2296	Returns an arrayref with all map paths of currently instantiated and saved
		2297	random maps. May block.
		2298
		2299	=cut
		2300
		2301	sub random_maps() {
		2302	[
		2303	map {
		2304	utf8::decode $_;
		2305	/\.map$/
		2306	? normalise "?random/$_"
		2307	: ()
		2308	} @{ aio_readdir $RANDOMDIR or [] }
		2309	]
1770	}	2310	}
1771		2311
1772	=item cf::map::unique_maps	2312	=item cf::map::unique_maps
1773		2313
1774	Returns an arrayref of paths of all shared maps that have	2314	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2315	instantiated unique items. May block.
1776		2316
1777	=cut	2317	=cut
1778		2318
1779	sub unique_maps() {	2319	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2320	[
1781	or return;	2321	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2322	utf8::decode $_;
1787	next if /\.pst$/;	2323	/\.map$/
1788	next unless /^$PATH_SEP/o;	2324	? normalise $_
1789		2325	: ()
1790	push @paths, cf::map::normalise $_;	2326	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2327	]
1792
1793	\@paths
1794	}	2328	}
1795		2329
1796	package cf;	2330	package cf;
1797		2331
1798	=back	2332	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2350	map { $_, inv_recursive_ $_->inv } @_
1817	}	2351	}
1818		2352
1819	sub inv_recursive {	2353	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2354	inv_recursive_ inv $_[0]
		2355	}
		2356
		2357	=item $ref = $ob->ref
		2358
		2359	creates and returns a persistent reference to an objetc that can be stored as a string.
		2360
		2361	=item $ob = cf::object::deref ($refstring)
		2362
		2363	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2364	even if the object actually exists. May block.
		2365
		2366	=cut
		2367
		2368	sub deref {
		2369	my ($ref) = @_;
		2370
		2371	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2372	my ($uuid, $name) = ($1, $2);
		2373	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2374	or return;
		2375	$pl->ob->uuid eq $uuid
		2376	or return;
		2377
		2378	$pl->ob
		2379	} else {
		2380	warn "$ref: cannot resolve object reference\n";
		2381	undef
		2382	}
1821	}	2383	}
1822		2384
1823	package cf;	2385	package cf;
1824		2386
1825	=back	2387	=back
…		…
1844		2406
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2408
1847	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1849	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2421	$self->message ($msg, $flags);
		2422	}
1852	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1853	}	2434	}
1854		2435
1855	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1856		2437
1857	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1905		2486
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2488
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1910		2491
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2493	}
1913		2494
1914	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1916		2499
1917	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1918		2501
1919	unless ($map) {	2502	unless ($map) {
1920	# restore original map position	2503	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1937		2520
1938	$map->load;	2521	$map->load;
1939	$map->load_diag;	2522	$map->load_neighbours;
1940		2523
1941	return unless $self->contr->active;	2524	return unless $self->contr->active;
1942	$self->activate_recursive;	2525	$self->activate_recursive;
1943		2526
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1946	}	2529	}
1947		2530
1948	cf::player->attach (
1949	on_logout => sub {
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981		2532
1982	Moves the player to the given map-path and coordinates by first freezing	2533	Moves the player to the given map-path and coordinates by first freezing
1983	her, loading and preparing them map, calling the provided $check callback	2534	her, loading and preparing them map, calling the provided $check callback
1984	that has to return the map if sucecssful, and then unfreezes the player on	2535	that has to return the map if sucecssful, and then unfreezes the player on
1985	the new (success) or old (failed) map position.	2536	the new (success) or old (failed) map position. In either case, $done will
		2537	be called at the end of this process.
1986		2538
1987	=cut	2539	=cut
		2540
		2541	our $GOTOGEN;
1988		2542
1989	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1990	my ($self, $path, $x, $y, $check) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
		2545
		2546	# do generation counting so two concurrent goto's will be executed in-order
		2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1991		2548
1992	$self->enter_link;	2549	$self->enter_link;
1993		2550
1994	(async {	2551	(async {
		2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
1995	my $map = eval {	2573	my $map = eval {
1996	my $map = cf::map::find $path;	2574	my $map = defined $path ? cf::map::find $path : undef;
1997		2575
1998	if ($map) {	2576	if ($map) {
1999	$map = $map->customise_for ($self);	2577	$map = $map->customise_for ($self);
2000	$map = $check->($map) if $check && $map;	2578	$map = $check->($map) if $check && $map;
2001	} else {	2579	} else {
2002	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2003	}	2581	}
2004		2582
2005	$map	2583	$map
2006	};	2584	};
2007		2585
2008	if ($@) {	2586	if ($@) {
2009	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);	2587	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2010	LOG llevError | logBacktrace, Carp::longmess $@;	2588	LOG llevError | logBacktrace, Carp::longmess $@;
2011	}	2589	}
2012		2590
		2591	if ($gen == $self->{_goto_generation}) {
		2592	delete $self->{_goto_generation};
2013	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
		2594	}
		2595
		2596	$done->() if $done;
2014	})->prio (1);	2597	})->prio (1);
2015	}	2598	}
2016		2599
2017	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
2018		2601
…		…
2087	my $hp = $exit->stats->hp;	2670	my $hp = $exit->stats->hp;
2088	my $sp = $exit->stats->sp;	2671	my $sp = $exit->stats->sp;
2089		2672
2090	$self->enter_link;	2673	$self->enter_link;
2091		2674
		2675	# if exit is damned, update players death & WoR home-position
		2676	$self->contr->savebed ($slaying, $hp, $sp)
		2677	if $exit->flag (FLAG_DAMNED);
		2678
2092	(async {	2679	(async {
		2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2681
2093	$self->deactivate_recursive; # just to be sure	2682	$self->deactivate_recursive; # just to be sure
2094	unless (eval {	2683	unless (eval {
2095	$self->goto ($slaying, $hp, $sp);	2684	$self->goto ($slaying, $hp, $sp);
2096		2685
2097	1;	2686	1;
…		…
2123		2712
2124	utf8::encode $text;	2713	utf8::encode $text;
2125	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2126	}	2715	}
2127		2716
		2717	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2718
		2719	Send a drawinfo or msg packet to the client, formatting the msg for the
		2720	client if neccessary. C<$type> should be a string identifying the type of
		2721	the message, with C<log> being the default. If C<$color> is negative, suppress
		2722	the message unless the client supports the msg packet.
		2723
		2724	=cut
		2725
		2726	# non-persistent channels (usually the info channel)
		2727	our %CHANNEL = (
		2728	"c/identify" => {
		2729	id => "infobox",
		2730	title => "Identify",
		2731	reply => undef,
		2732	tooltip => "Items recently identified",
		2733	},
		2734	"c/examine" => {
		2735	id => "infobox",
		2736	title => "Examine",
		2737	reply => undef,
		2738	tooltip => "Signs and other items you examined",
		2739	},
		2740	"c/book" => {
		2741	id => "infobox",
		2742	title => "Book",
		2743	reply => undef,
		2744	tooltip => "The contents of a note or book",
		2745	},
		2746	"c/lookat" => {
		2747	id => "infobox",
		2748	title => "Look",
		2749	reply => undef,
		2750	tooltip => "What you saw there",
		2751	},
		2752	"c/who" => {
		2753	id => "infobox",
		2754	title => "Players",
		2755	reply => undef,
		2756	tooltip => "Shows players who are currently online",
		2757	},
		2758	"c/body" => {
		2759	id => "infobox",
		2760	title => "Body Parts",
		2761	reply => undef,
		2762	tooltip => "Shows which body parts you posess and are available",
		2763	},
		2764	"c/uptime" => {
		2765	id => "infobox",
		2766	title => "Uptime",
		2767	reply => undef,
		2768	tooltip => "How long the server has been running since last restart",
		2769	},
		2770	"c/mapinfo" => {
		2771	id => "infobox",
		2772	title => "Map Info",
		2773	reply => undef,
		2774	tooltip => "Information related to the maps",
		2775	},
		2776	);
		2777
		2778	sub cf::client::send_msg {
		2779	my ($self, $channel, $msg, $color, @extra) = @_;
		2780
		2781	$msg = $self->pl->expand_cfpod ($msg);
		2782
		2783	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2784
		2785	# check predefined channels, for the benefit of C
		2786	if ($CHANNEL{$channel}) {
		2787	$channel = $CHANNEL{$channel};
		2788
		2789	$self->ext_msg (channel_info => $channel)
		2790	if $self->can_msg;
		2791
		2792	$channel = $channel->{id};
		2793
		2794	} elsif (ref $channel) {
		2795	# send meta info to client, if not yet sent
		2796	unless (exists $self->{channel}{$channel->{id}}) {
		2797	$self->{channel}{$channel->{id}} = $channel;
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800	}
		2801
		2802	$channel = $channel->{id};
		2803	}
		2804
		2805	return unless @extra || length $msg;
		2806
		2807	if ($self->can_msg) {
		2808	# default colour, mask it out
		2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2810	if $color & cf::NDI_DEF;
		2811
		2812	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2814	} else {
		2815	if ($color >= 0) {
		2816	# replace some tags by gcfclient-compatible ones
		2817	for ($msg) {
		2818	1 while
		2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2824	}
		2825
		2826	$color &= cf::NDI_COLOR_MASK;
		2827
		2828	utf8::encode $msg;
		2829
		2830	if (0 && $msg =~ /\[/) {
		2831	# COMMAND/INFO
		2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2833	} else {
		2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2835	$self->send_packet ("drawinfo $color $msg")
		2836	}
		2837	}
		2838	}
		2839	}
		2840
2128	=item $client->ext_event ($type, %msg)	2841	=item $client->ext_msg ($type, @msg)
2129		2842
2130	Sends an exti event to the client.	2843	Sends an ext event to the client.
2131		2844
2132	=cut	2845	=cut
2133		2846
2134	sub cf::client::ext_event($$%) {	2847	sub cf::client::ext_msg($$@) {
2135	my ($self, $type, %msg) = @_;	2848	my ($self, $type, @msg) = @_;
2136		2849
		2850	if ($self->extcmd == 2) {
		2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2852	} elsif ($self->extcmd == 1) { # TODO: remove
2137	$msg{msgtype} = "event_$type";	2853	push @msg, msgtype => "event_$type";
2138	$self->send_packet ("ext " . cf::to_json \%msg);	2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2855	}
		2856	}
		2857
		2858	=item $client->ext_reply ($msgid, @msg)
		2859
		2860	Sends an ext reply to the client.
		2861
		2862	=cut
		2863
		2864	sub cf::client::ext_reply($$@) {
		2865	my ($self, $id, @msg) = @_;
		2866
		2867	if ($self->extcmd == 2) {
		2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2869	} elsif ($self->extcmd == 1) {
		2870	#TODO: version 1, remove
		2871	unshift @msg, msgtype => "reply", msgid => $id;
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2873	}
2139	}	2874	}
2140		2875
2141	=item $success = $client->query ($flags, "text", \&cb)	2876	=item $success = $client->query ($flags, "text", \&cb)
2142		2877
2143	Queues a query to the client, calling the given callback with	2878	Queues a query to the client, calling the given callback with
2144	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2879	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2145	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2880	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2146		2881
2147	Queries can fail, so check the return code. Or don't, as queries will become	2882	Queries can fail, so check the return code. Or don't, as queries will
2148	reliable at some point in the future.	2883	become reliable at some point in the future.
2149		2884
2150	=cut	2885	=cut
2151		2886
2152	sub cf::client::query {	2887	sub cf::client::query {
2153	my ($self, $flags, $text, $cb) = @_;	2888	my ($self, $flags, $text, $cb) = @_;
…		…
2161	utf8::encode $text;	2896	utf8::encode $text;
2162	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2897	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2163		2898
2164	$self->send_packet ($self->{query_queue}[0][0])	2899	$self->send_packet ($self->{query_queue}[0][0])
2165	if @{ $self->{query_queue} } == 1;	2900	if @{ $self->{query_queue} } == 1;
		2901
		2902	1
2166	}	2903	}
2167		2904
2168	cf::client->attach (	2905	cf::client->attach (
		2906	on_connect => sub {
		2907	my ($ns) = @_;
		2908
		2909	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2910	},
2169	on_reply => sub {	2911	on_reply => sub {
2170	my ($ns, $msg) = @_;	2912	my ($ns, $msg) = @_;
2171		2913
2172	# this weird shuffling is so that direct followup queries	2914	# this weird shuffling is so that direct followup queries
2173	# get handled first	2915	# get handled first
…		…
2185	} else {	2927	} else {
2186	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2928	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2187	}	2929	}
2188	}	2930	}
2189	},	2931	},
		2932	on_exticmd => sub {
		2933	my ($ns, $buf) = @_;
		2934
		2935	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2936
		2937	if (ref $msg) {
		2938	my ($type, $reply, @payload) =
		2939	"ARRAY" eq ref $msg
		2940	? @$msg
		2941	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2942
		2943	my @reply;
		2944
		2945	if (my $cb = $EXTICMD{$type}) {
		2946	@reply = $cb->($ns, @payload);
		2947	}
		2948
		2949	$ns->ext_reply ($reply, @reply)
		2950	if $reply;
		2951
		2952	} else {
		2953	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2954	}
		2955
		2956	cf::override;
		2957	},
2190	);	2958	);
2191		2959
2192	=item $client->async (\&cb)	2960	=item $client->async (\&cb)
2193		2961
2194	Create a new coroutine, running the specified callback. The coroutine will	2962	Create a new coroutine, running the specified callback. The coroutine will
…		…
2235	our $safe = new Safe "safe";	3003	our $safe = new Safe "safe";
2236	our $safe_hole = new Safe::Hole;	3004	our $safe_hole = new Safe::Hole;
2237		3005
2238	$SIG{FPE} = 'IGNORE';	3006	$SIG{FPE} = 'IGNORE';
2239		3007
2240	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3008	$safe->permit_only (Opcode::opset qw(
		3009	:base_core :base_mem :base_orig :base_math
		3010	grepstart grepwhile mapstart mapwhile
		3011	sort time
		3012	));
2241		3013
2242	# here we export the classes and methods available to script code	3014	# here we export the classes and methods available to script code
2243		3015
2244	=pod	3016	=pod
2245		3017
2246	The following functions and methods are available within a safe environment:	3018	The following functions and methods are available within a safe environment:
2247		3019
2248	cf::object contr pay_amount pay_player map	3020	cf::object
		3021	contr pay_amount pay_player map x y force_find force_add destroy
		3022	insert remove name archname title slaying race decrease_ob_nr
		3023
2249	cf::object::player player	3024	cf::object::player
2250	cf::player peaceful	3025	player
2251	cf::map trigger	3026
		3027	cf::player
		3028	peaceful
		3029
		3030	cf::map
		3031	trigger
2252		3032
2253	=cut	3033	=cut
2254		3034
2255	for (	3035	for (
2256	["cf::object" => qw(contr pay_amount pay_player map)],	3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3037	insert remove inv name archname title slaying race
		3038	decrease_ob_nr destroy)],
2257	["cf::object::player" => qw(player)],	3039	["cf::object::player" => qw(player)],
2258	["cf::player" => qw(peaceful)],	3040	["cf::player" => qw(peaceful)],
2259	["cf::map" => qw(trigger)],	3041	["cf::map" => qw(trigger)],
2260	) {	3042	) {
2261	no strict 'refs';	3043	no strict 'refs';
…		…
2332	=back	3114	=back
2333		3115
2334	=cut	3116	=cut
2335		3117
2336	#############################################################################	3118	#############################################################################
2337
2338	=head2 EXTENSION DATABASE SUPPORT
2339
2340	Crossfire maintains a very simple database for extension use. It can
2341	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2342	convert to/from binary).
2343
2344	The parameter C<$family> should best start with the name of the extension
2345	using it, it should be unique.
2346
2347	=over 4
2348
2349	=item $value = cf::db_get $family => $key
2350
2351	Returns a single value from the database.
2352
2353	=item cf::db_put $family => $key => $value
2354
2355	Stores the given C<$value> in the family.
2356
2357	=cut
2358
2359	our $DB;
2360
2361	sub db_init {
2362	unless ($DB) {
2363	$DB = BDB::db_create $DB_ENV;
2364
2365	cf::sync_job {
2366	eval {
2367	$DB->set_flags (BDB::CHKSUM);
2368
2369	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2370	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2371	cf::cleanup "db_open(db): $!" if $!;
2372	};
2373	cf::cleanup "db_open(db): $@" if $@;
2374	};
2375	}
2376	}
2377
2378	sub db_get($$) {
2379	my $key = "$_[0]/$_[1]";
2380
2381	cf::sync_job {
2382	BDB::db_get $DB, undef, $key, my $data;
2383
2384	$! ? ()
2385	: $data
2386	}
2387	}
2388
2389	sub db_put($$$) {
2390	BDB::dbreq_pri 4;
2391	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2392	}
2393
2394	=item cf::cache $id => [$paths...], $processversion => $process
2395
2396	Generic caching function that returns the value of the resource $id,
2397	caching and regenerating as required.
2398
2399	This function can block.
2400
2401	=cut
2402
2403	sub cache {
2404	my ($id, $src, $processversion, $process) = @_;
2405
2406	my $meta =
2407	join "\x00",
2408	$processversion,
2409	map {
2410	aio_stat $_
2411	and Carp::croak "$_: $!";
2412
2413	($_, (stat _)[7,9])
2414	} @$src;
2415
2416	my $dbmeta = db_get cache => "$id/meta";
2417	if ($dbmeta ne $meta) {
2418	# changed, we may need to process
2419
2420	my @data;
2421	my $md5;
2422
2423	for (0 .. $#$src) {
2424	0 <= aio_load $src->[$_], $data[$_]
2425	or Carp::croak "$src->[$_]: $!";
2426	}
2427
2428	# if processing is expensive, check
2429	# checksum first
2430	if (1) {
2431	$md5 =
2432	join "\x00",
2433	$processversion,
2434	map {
2435	Coro::cede;
2436	($src->[$_], Digest::MD5::md5_hex $data[$_])
2437	} 0.. $#$src;
2438
2439
2440	my $dbmd5 = db_get cache => "$id/md5";
2441	if ($dbmd5 eq $md5) {
2442	db_put cache => "$id/meta", $meta;
2443
2444	return db_get cache => "$id/data";
2445	}
2446	}
2447
2448	my $t1 = Time::HiRes::time;
2449	my $data = $process->(\@data);
2450	my $t2 = Time::HiRes::time;
2451
2452	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2453
2454	db_put cache => "$id/data", $data;
2455	db_put cache => "$id/md5" , $md5;
2456	db_put cache => "$id/meta", $meta;
2457
2458	return $data;
2459	}
2460
2461	db_get cache => "$id/data"
2462	}
2463
2464	=item fork_call { }, $args
2465
2466	Executes the given code block with the given arguments in a seperate
2467	process, returning the results. Everything must be serialisable with
2468	Coro::Storable. May, of course, block. Note that the executed sub may
2469	never block itself or use any form of Event handling.
2470
2471	=cut
2472
2473	sub fork_call(&@) {
2474	my ($cb, @args) = @_;
2475
2476	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2477	# or die "socketpair: $!";
2478	pipe my $fh1, my $fh2
2479	or die "pipe: $!";
2480
2481	if (my $pid = fork) {
2482	close $fh2;
2483
2484	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2485	$res = Coro::Storable::thaw $res;
2486
2487	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2488
2489	die $$res unless "ARRAY" eq ref $res;
2490
2491	return wantarray ? @$res : $res->[-1];
2492	} else {
2493	reset_signals;
2494	local $SIG{__WARN__};
2495	local $SIG{__DIE__};
2496	eval {
2497	close $fh1;
2498
2499	my @res = eval { $cb->(@args) };
2500	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2501	};
2502
2503	warn $@ if $@;
2504	_exit 0;
2505	}
2506	}
2507
2508
2509
2510	#############################################################################
2511	# the server's init and main functions	3119	# the server's init and main functions
2512		3120
2513	sub load_facedata($) {	3121	sub load_facedata($) {
2514	my ($path) = @_;	3122	my ($path) = @_;
		3123
		3124	# HACK to clear player env face cache, we need some signal framework
		3125	# for this (global event?)
		3126	%ext::player_env::MUSIC_FACE_CACHE = ();
		3127
		3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2515		3129
2516	warn "loading facedata from $path\n";	3130	warn "loading facedata from $path\n";
2517		3131
2518	my $facedata;	3132	my $facedata;
2519	0 < aio_load $path, $facedata	3133	0 < aio_load $path, $facedata
…		…
2522	$facedata = Coro::Storable::thaw $facedata;	3136	$facedata = Coro::Storable::thaw $facedata;
2523		3137
2524	$facedata->{version} == 2	3138	$facedata->{version} == 2
2525	or cf::cleanup "$path: version mismatch, cannot proceed.";	3139	or cf::cleanup "$path: version mismatch, cannot proceed.";
2526		3140
		3141	# patch in the exptable
		3142	$facedata->{resource}{"res/exp_table"} = {
		3143	type => FT_RSRC,
		3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3145	};
		3146	cf::cede_to_tick;
		3147
2527	{	3148	{
2528	my $faces = $facedata->{faceinfo};	3149	my $faces = $facedata->{faceinfo};
2529		3150
2530	while (my ($face, $info) = each %$faces) {	3151	while (my ($face, $info) = each %$faces) {
2531	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2532	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3153	cf::face::set_visibility $idx, $info->{visibility};
		3154	cf::face::set_magicmap $idx, $info->{magicmap};
2533	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2534	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2535	Coro::cede;	3157
		3158	cf::cede_to_tick;
2536	}	3159	}
2537		3160
2538	while (my ($face, $info) = each %$faces) {	3161	while (my ($face, $info) = each %$faces) {
2539	next unless $info->{smooth};	3162	next unless $info->{smooth};
2540	my $idx = cf::face::find $face	3163	my $idx = cf::face::find $face
2541	or next;	3164	or next;
2542	if (my $smooth = cf::face::find $info->{smooth}) {	3165	if (my $smooth = cf::face::find $info->{smooth}) {
		3166	cf::face::set_smooth $idx, $smooth;
2543	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2544	} else {	3168	} else {
2545	warn "smooth face '$info->{smooth}' not found for face '$face'";	3169	warn "smooth face '$info->{smooth}' not found for face '$face'";
2546	}	3170	}
2547	Coro::cede;	3171
		3172	cf::cede_to_tick;
2548	}	3173	}
2549	}	3174	}
2550		3175
2551	{	3176	{
2552	my $anims = $facedata->{animinfo};	3177	my $anims = $facedata->{animinfo};
2553		3178
2554	while (my ($anim, $info) = each %$anims) {	3179	while (my ($anim, $info) = each %$anims) {
2555	cf::anim::set $anim, $info->{frames}, $info->{facings};	3180	cf::anim::set $anim, $info->{frames}, $info->{facings};
2556	Coro::cede;	3181	cf::cede_to_tick;
2557	}	3182	}
2558		3183
2559	cf::anim::invalidate_all; # d'oh	3184	cf::anim::invalidate_all; # d'oh
2560	}	3185	}
2561		3186
		3187	{
		3188	# TODO: for gcfclient pleasure, we should give resources
		3189	# that gcfclient doesn't grok a >10000 face index.
		3190	my $res = $facedata->{resource};
		3191
		3192	my $soundconf = delete $res->{"res/sound.conf"};
		3193
		3194	while (my ($name, $info) = each %$res) {
		3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3196	my $data;
		3197
		3198	if ($info->{type} & 1) {
		3199	# prepend meta info
		3200
		3201	my $meta = $enc->encode ({
		3202	name => $name,
		3203	%{ $info->{meta} || {} },
		3204	});
		3205
		3206	$data = pack "(w/a*)*", $meta, $info->{data};
		3207	} else {
		3208	$data = $info->{data};
		3209	}
		3210
		3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3212	cf::face::set_type $idx, $info->{type};
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	if ($soundconf) {
		3218	$soundconf = $enc->decode (delete $soundconf->{data});
		3219
		3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3221	my $sound = $soundconf->{compat}[$_]
		3222	or next;
		3223
		3224	my $face = cf::face::find "sound/$sound->[1]";
		3225	cf::sound::set $sound->[0] => $face;
		3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3227	}
		3228
		3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3230	my $face = cf::face::find "sound/$v";
		3231	cf::sound::set $k => $face;
		3232	}
		3233	}
		3234	}
		3235
2562	1	3236	1
2563	}	3237	}
2564		3238
		3239	register_exticmd fx_want => sub {
		3240	my ($ns, $want) = @_;
		3241
		3242	while (my ($k, $v) = each %$want) {
		3243	$ns->fx_want ($k, $v);
		3244	}
		3245	};
		3246
2565	sub reload_regions {	3247	sub reload_regions {
		3248	# HACK to clear player env face cache, we need some signal framework
		3249	# for this (global event?)
		3250	%ext::player_env::MUSIC_FACE_CACHE = ();
		3251
2566	load_resource_file "$MAPDIR/regions"	3252	load_resource_file "$MAPDIR/regions"
2567	or die "unable to load regions file\n";	3253	or die "unable to load regions file\n";
		3254
		3255	for (cf::region::list) {
		3256	$_->{match} = qr/$_->{match}/
		3257	if exists $_->{match};
		3258	}
2568	}	3259	}
2569		3260
2570	sub reload_facedata {	3261	sub reload_facedata {
2571	load_facedata "$DATADIR/facedata"	3262	load_facedata "$DATADIR/facedata"
2572	or die "unable to load facedata\n";	3263	or die "unable to load facedata\n";
2573	}	3264	}
2574		3265
2575	sub reload_archetypes {	3266	sub reload_archetypes {
2576	load_resource_file "$DATADIR/archetypes"	3267	load_resource_file "$DATADIR/archetypes"
2577	or die "unable to load archetypes\n";	3268	or die "unable to load archetypes\n";
		3269	#d# NEED to laod twice to resolve forward references
		3270	# this really needs to be done in an extra post-pass
		3271	# (which needs to be synchronous, so solve it differently)
		3272	load_resource_file "$DATADIR/archetypes"
		3273	or die "unable to load archetypes\n";
2578	}	3274	}
2579		3275
2580	sub reload_treasures {	3276	sub reload_treasures {
2581	load_resource_file "$DATADIR/treasures"	3277	load_resource_file "$DATADIR/treasures"
2582	or die "unable to load treasurelists\n";	3278	or die "unable to load treasurelists\n";
…		…
2585	sub reload_resources {	3281	sub reload_resources {
2586	warn "reloading resource files...\n";	3282	warn "reloading resource files...\n";
2587		3283
2588	reload_regions;	3284	reload_regions;
2589	reload_facedata;	3285	reload_facedata;
		3286	#reload_archetypes;#d#
2590	reload_archetypes;	3287	reload_archetypes;
2591	reload_treasures;	3288	reload_treasures;
2592		3289
2593	warn "finished reloading resource files\n";	3290	warn "finished reloading resource files\n";
2594	}	3291	}
2595		3292
2596	sub init {	3293	sub init {
2597	reload_resources;	3294	reload_resources;
2598	}	3295	}
2599		3296
2600	sub cfg_load {	3297	sub reload_config {
2601	open my $fh, "<:utf8", "$CONFDIR/config"	3298	open my $fh, "<:utf8", "$CONFDIR/config"
2602	or return;	3299	or return;
2603		3300
2604	local $/;	3301	local $/;
2605	*CFG = YAML::Syck::Load <$fh>;	3302	*CFG = YAML::Syck::Load <$fh>;
…		…
2621	sub main {	3318	sub main {
2622	# we must not ever block the main coroutine	3319	# we must not ever block the main coroutine
2623	local $Coro::idle = sub {	3320	local $Coro::idle = sub {
2624	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3321	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2625	(async {	3322	(async {
2626	Event::one_event;	3323	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3324	EV::loop EV::LOOP_ONESHOT;
2627	})->prio (Coro::PRIO_MAX);	3325	})->prio (Coro::PRIO_MAX);
2628	};	3326	};
2629		3327
2630	cfg_load;	3328	reload_config;
2631	db_init;	3329	db_init;
2632	load_extensions;	3330	load_extensions;
2633		3331
2634	$TICK_WATCHER->start;	3332	$TICK_WATCHER->start;
2635	Event::loop;	3333	EV::loop;
2636	}	3334	}
2637		3335
2638	#############################################################################	3336	#############################################################################
2639	# initialisation and cleanup	3337	# initialisation and cleanup
2640		3338
2641	# install some emergency cleanup handlers	3339	# install some emergency cleanup handlers
2642	BEGIN {	3340	BEGIN {
		3341	our %SIGWATCHER = ();
2643	for my $signal (qw(INT HUP TERM)) {	3342	for my $signal (qw(INT HUP TERM)) {
2644	Event->signal (	3343	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2645	reentrant => 0,
2646	data => WF_AUTOCANCEL,
2647	signal => $signal,
2648	prio => 0,
2649	cb => sub {
2650	cf::cleanup "SIG$signal";	3344	cf::cleanup "SIG$signal";
2651	},
2652	);	3345	};
		3346	}
		3347	}
		3348
		3349	sub write_runtime {
		3350	my $runtime = "$LOCALDIR/runtime";
		3351
		3352	# first touch the runtime file to show we are still running:
		3353	# the fsync below can take a very very long time.
		3354
		3355	IO::AIO::aio_utime $runtime, undef, undef;
		3356
		3357	my $guard = cf::lock_acquire "write_runtime";
		3358
		3359	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3360	or return;
		3361
		3362	my $value = $cf::RUNTIME + 90 + 10;
		3363	# 10 is the runtime save interval, for a monotonic clock
		3364	# 60 allows for the watchdog to kill the server.
		3365
		3366	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3367	and return;
		3368
		3369	# always fsync - this file is important
		3370	aio_fsync $fh
		3371	and return;
		3372
		3373	# touch it again to show we are up-to-date
		3374	aio_utime $fh, undef, undef;
		3375
		3376	close $fh
		3377	or return;
		3378
		3379	aio_rename "$runtime~", $runtime
		3380	and return;
		3381
		3382	warn "runtime file written.\n";
		3383
2653	}	3384	1
2654	}	3385	}
2655		3386
2656	sub emergency_save() {	3387	sub emergency_save() {
2657	my $freeze_guard = cf::freeze_mainloop;	3388	my $freeze_guard = cf::freeze_mainloop;
2658		3389
…		…
2664	# and maps saved/destroyed asynchronously.	3395	# and maps saved/destroyed asynchronously.
2665	warn "begin emergency player save\n";	3396	warn "begin emergency player save\n";
2666	for my $login (keys %cf::PLAYER) {	3397	for my $login (keys %cf::PLAYER) {
2667	my $pl = $cf::PLAYER{$login} or next;	3398	my $pl = $cf::PLAYER{$login} or next;
2668	$pl->valid or next;	3399	$pl->valid or next;
		3400	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2669	$pl->save;	3401	$pl->save;
2670	}	3402	}
2671	warn "end emergency player save\n";	3403	warn "end emergency player save\n";
2672		3404
2673	warn "begin emergency map save\n";	3405	warn "begin emergency map save\n";
…		…
2712	warn "syncing database to disk";	3444	warn "syncing database to disk";
2713	BDB::db_env_txn_checkpoint $DB_ENV;	3445	BDB::db_env_txn_checkpoint $DB_ENV;
2714		3446
2715	# if anything goes wrong in here, we should simply crash as we already saved	3447	# if anything goes wrong in here, we should simply crash as we already saved
2716		3448
2717	warn "cancelling all WF_AUTOCANCEL watchers";
2718	for (Event::all_watchers) {
2719	$_->cancel if $_->data & WF_AUTOCANCEL;
2720	}
2721
2722	warn "flushing outstanding aio requests";	3449	warn "flushing outstanding aio requests";
2723	for (;;) {	3450	for (;;) {
2724	BDB::flush;	3451	BDB::flush;
2725	IO::AIO::flush;	3452	IO::AIO::flush;
2726	Coro::cede;	3453	Coro::cede_notself;
2727	last unless IO::AIO::nreqs || BDB::nreqs;	3454	last unless IO::AIO::nreqs || BDB::nreqs;
2728	warn "iterate...";	3455	warn "iterate...";
2729	}	3456	}
2730		3457
2731	++$RELOAD;	3458	++$RELOAD;
…		…
2735	%EXT_CORO = ();	3462	%EXT_CORO = ();
2736		3463
2737	warn "removing commands";	3464	warn "removing commands";
2738	%COMMAND = ();	3465	%COMMAND = ();
2739		3466
2740	warn "removing ext commands";	3467	warn "removing ext/exti commands";
2741	%EXTCMD = ();	3468	%EXTCMD = ();
		3469	%EXTICMD = ();
2742		3470
2743	warn "unloading/nuking all extensions";	3471	warn "unloading/nuking all extensions";
2744	for my $pkg (@EXTS) {	3472	for my $pkg (@EXTS) {
2745	warn "... unloading $pkg";	3473	warn "... unloading $pkg";
2746		3474
…		…
2789	warn "reloading cf.pm";	3517	warn "reloading cf.pm";
2790	require cf;	3518	require cf;
2791	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3519	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2792		3520
2793	warn "loading config and database again";	3521	warn "loading config and database again";
2794	cf::cfg_load;	3522	cf::reload_config;
2795		3523
2796	warn "loading extensions";	3524	warn "loading extensions";
2797	cf::load_extensions;	3525	cf::load_extensions;
2798		3526
2799	warn "reattaching attachments to objects/players";	3527	warn "reattaching attachments to objects/players";
…		…
2819		3547
2820	sub reload_perl() {	3548	sub reload_perl() {
2821	# doing reload synchronously and two reloads happen back-to-back,	3549	# doing reload synchronously and two reloads happen back-to-back,
2822	# coro crashes during coro_state_free->destroy here.	3550	# coro crashes during coro_state_free->destroy here.
2823		3551
2824	$RELOAD_WATCHER ||= Event->timer (	3552	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2825	reentrant => 0,
2826	after => 0,
2827	data => WF_AUTOCANCEL,
2828	cb => sub {
2829	do_reload_perl;
2830	undef $RELOAD_WATCHER;	3553	undef $RELOAD_WATCHER;
2831	},	3554	do_reload_perl;
2832	);	3555	};
2833	}	3556	}
2834		3557
2835	register_command "reload" => sub {	3558	register_command "reload" => sub {
2836	my ($who, $arg) = @_;	3559	my ($who, $arg) = @_;
2837		3560
2838	if ($who->flag (FLAG_WIZ)) {	3561	if ($who->flag (FLAG_WIZ)) {
2839	$who->message ("reloading server.");	3562	$who->message ("reloading server.");
		3563	async {
		3564	$Coro::current->{desc} = "perl_reload";
2840	async { reload_perl };	3565	reload_perl;
		3566	};
2841	}	3567	}
2842	};	3568	};
2843		3569
2844	unshift @INC, $LIBDIR;	3570	unshift @INC, $LIBDIR;
2845		3571
…		…
2864	my $signal = new Coro::Signal;	3590	my $signal = new Coro::Signal;
2865	push @WAIT_FOR_TICK_BEGIN, $signal;	3591	push @WAIT_FOR_TICK_BEGIN, $signal;
2866	$signal->wait;	3592	$signal->wait;
2867	}	3593	}
2868		3594
2869	my $min = 1e6;#d#	3595	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2870	my $avg = 10;
2871	$TICK_WATCHER = Event->timer (
2872	reentrant => 0,
2873	parked => 1,
2874	prio => 0,
2875	at => $NEXT_TICK || $TICK,
2876	data => WF_AUTOCANCEL,
2877	cb => sub {
2878	if ($Coro::current != $Coro::main) {	3596	if ($Coro::current != $Coro::main) {
2879	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3597	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2880	unless ++$bug_warning > 10;	3598	unless ++$bug_warning > 10;
2881	return;	3599	return;
2882	}	3600	}
2883		3601
2884	$NOW = $tick_start = Event::time;	3602	$NOW = $tick_start = EV::now;
2885		3603
2886	cf::server_tick; # one server iteration	3604	cf::server_tick; # one server iteration
2887		3605
2888	0 && sync_job {#d#	3606	$RUNTIME += $TICK;
2889	for(1..10) {	3607	$NEXT_TICK += $TICK;
2890	my $t = Event::time;
2891	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2892	or die;
2893		3608
2894	$map->width (50);	3609	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2895	$map->height (50);	3610	$NEXT_RUNTIME_WRITE = $NOW + 10;
2896	$map->alloc;	3611	Coro::async_pool {
2897	$map->_load_objects ("/tmp/x.map", 1);	3612	$Coro::current->{desc} = "runtime saver";
2898	my $t = Event::time - $t;	3613	write_runtime
2899		3614	or warn "ERROR: unable to write runtime file: $!";
2900	#next unless $t < 0.0013;#d#
2901	if ($t < $min) {
2902	$min = $t;
2903	}
2904	$avg = $avg * 0.99 + $t * 0.01;
2905	}
2906	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2907	exit 0;
2908	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2909	};	3615	};
		3616	}
2910		3617
2911	$RUNTIME += $TICK;
2912	$NEXT_TICK += $TICK;
2913
2914	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2915	$NEXT_RUNTIME_WRITE = $NOW + 10;
2916	Coro::async_pool {
2917	write_runtime
2918	or warn "ERROR: unable to write runtime file: $!";
2919	};
2920	}
2921
2922	# my $AFTER = Event::time;
2923	# warn $AFTER - $NOW;#d#
2924
2925	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3618	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2926	$sig->send;	3619	$sig->send;
2927	}	3620	}
2928	while (my $sig = shift @WAIT_FOR_TICK) {	3621	while (my $sig = shift @WAIT_FOR_TICK) {
2929	$sig->send;	3622	$sig->send;
2930	}	3623	}
2931		3624
2932	$NOW = Event::time;
2933
2934	# if we are delayed by four ticks or more, skip them all
2935	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2936
2937	$TICK_WATCHER->at ($NEXT_TICK);
2938	$TICK_WATCHER->start;
2939
2940	$LOAD = ($NOW - $tick_start) / $TICK;	3625	$LOAD = ($NOW - $tick_start) / $TICK;
2941	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3626	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2942		3627
2943	_post_tick;	3628	_post_tick;
2944		3629	};
2945		3630	$TICK_WATCHER->priority (EV::MAXPRI);
2946	},
2947	);
2948		3631
2949	{	3632	{
		3633	BDB::min_parallel 8;
2950	BDB::max_poll_time $TICK * 0.1;	3634	BDB::max_poll_time $TICK * 0.1;
2951	$BDB_POLL_WATCHER = Event->io (	3635	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
2952	reentrant => 0,
2953	fd => BDB::poll_fileno,
2954	poll => 'r',
2955	prio => 0,
2956	data => WF_AUTOCANCEL,
2957	cb => \&BDB::poll_cb,
2958	);
2959	BDB::min_parallel 8;
2960		3636
2961	BDB::set_sync_prepare {	3637	BDB::set_sync_prepare {
2962	my $status;	3638	my $status;
2963	my $current = $Coro::current;	3639	my $current = $Coro::current;
2964	(	3640	(
…		…
2973	)	3649	)
2974	};	3650	};
2975		3651
2976	unless ($DB_ENV) {	3652	unless ($DB_ENV) {
2977	$DB_ENV = BDB::db_env_create;	3653	$DB_ENV = BDB::db_env_create;
		3654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3655	| BDB::LOG_AUTOREMOVE, 1);
		3656	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3657	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2978		3658
2979	cf::sync_job {	3659	cf::sync_job {
2980	eval {	3660	eval {
2981	BDB::db_env_open	3661	BDB::db_env_open
2982	$DB_ENV,	3662	$DB_ENV,
…		…
2984	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2985	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2986	0666;	3666	0666;
2987		3667
2988	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3668	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2989
2990	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2991	$DB_ENV->set_lk_detect;
2992	};	3669	};
2993		3670
2994	cf::cleanup "db_env_open(db): $@" if $@;	3671	cf::cleanup "db_env_open(db): $@" if $@;
2995	};	3672	};
2996	}	3673	}
		3674
		3675	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3676	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3677	};
		3678	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3679	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3680	};
		3681	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3682	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3683	};
2997	}	3684	}
2998		3685
2999	{	3686	{
3000	IO::AIO::min_parallel 8;	3687	IO::AIO::min_parallel 8;
3001		3688
3002	undef $Coro::AIO::WATCHER;	3689	undef $Coro::AIO::WATCHER;
3003	IO::AIO::max_poll_time $TICK * 0.1;	3690	IO::AIO::max_poll_time $TICK * 0.1;
3004	$AIO_POLL_WATCHER = Event->io (	3691	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
3005	reentrant => 0,
3006	data => WF_AUTOCANCEL,
3007	fd => IO::AIO::poll_fileno,
3008	poll => 'r',
3009	prio => 6,
3010	cb => \&IO::AIO::poll_cb,
3011	);
3012	}	3692	}
3013		3693
3014	my $_log_backtrace;	3694	my $_log_backtrace;
3015		3695
3016	sub _log_backtrace {	3696	sub _log_backtrace {
…		…
3020		3700
3021	# limit the # of concurrent backtraces	3701	# limit the # of concurrent backtraces
3022	if ($_log_backtrace < 2) {	3702	if ($_log_backtrace < 2) {
3023	++$_log_backtrace;	3703	++$_log_backtrace;
3024	async {	3704	async {
		3705	$Coro::current->{desc} = "abt $msg";
		3706
3025	my @bt = fork_call {	3707	my @bt = fork_call {
3026	@addr = map { sprintf "%x", $_ } @addr;	3708	@addr = map { sprintf "%x", $_ } @addr;
3027	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3709	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3028	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3710	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3029	or die "addr2line: $!";	3711	or die "addr2line: $!";

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