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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.410 by root, Tue Jan 15 12:02:24 2008 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;	9	use EV 1.86;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
		27	use JSON::XS 2.01 ();
25	use BDB ();	28	use BDB ();
26	use Data::Dumper;	29	use Data::Dumper;
27	use Digest::MD5;	30	use Digest::MD5;
28	use Fcntl;	31	use Fcntl;
29	use YAML::Syck ();	32	use YAML ();
30	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
31	use Time::HiRes;	34	use Time::HiRes;
32	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
33		37
34	# configure various modules to our taste	38	# configure various modules to our taste
35	#	39	#
36	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		43
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		45
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		47
49	our %COMMAND = ();	48	our %COMMAND = ();
50	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
51		50
52	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
56		56
57	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
58	our @EVENT;	58	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	69	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	70	our $BDBDIR = "$LOCALDIR/db";
		71	our %RESOURCE;
71		72
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;	74	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	77	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		79
80	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	84	our $DB_ENV;
82		85
83	our %CFG;	86	our %CFG;
84		87
85	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
87		91
88	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
91		95
92	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		98
…		…
155		159
156	The raw value load value from the last tick.	160	The raw value load value from the last tick.
157		161
158	=item %cf::CFG	162	=item %cf::CFG
159		163
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	165	from wherever your confdir points to.
162		166
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		168
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
		178
169	=back	179	=back
170		180
171	=cut	181	=cut
172		182
173	BEGIN {	183	BEGIN {
…		…
177	$msg .= "\n"	187	$msg .= "\n"
178	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
179		189
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		191
182	utf8::encode $msg;
183	LOG llevError, $msg;	192	LOG llevError, $msg;
184	};	193	};
185	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	return unless $^S eq 0; # "eq", not "=="
		198
		199	if ($Coro::current == $Coro::main) {#d#
		200	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		201	return;#d#
		202	}#d#
		203
		204	# kill coroutine otherwise
		205	warn Carp::longmess $_[0];
		206	Coro::terminate
		207	};
		208
		209	$SIG{__DIE__} = sub { }; #d#?
186		210
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	215	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		216	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	217	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		218
194	# we bless all objects into (empty) derived classes to force a method lookup	219	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	220	# within the Safe compartment.
196	for my $pkg (qw(	221	for my $pkg (qw(
197	cf::global cf::attachable	222	cf::global cf::attachable
…		…
202	)) {	227	)) {
203	no strict 'refs';	228	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	230	}
206		231
207	$Event::DIED = sub {	232	$EV::DIED = sub {
208	warn "error in event callback: @_";	233	warn "error in event callback: @_";
209	};	234	};
		235
		236	#############################################################################
210		237
211	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
212		239
213	=over 4	240	=over 4
214		241
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	260	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	261	$d
235	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
236	}	263	}
237		264
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
241		266
242	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
243		268
244	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
245		270
246	Converts a perl data structure into its JSON representation.	271	Converts a perl data structure into its JSON representation.
		272
		273	=cut
		274
		275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		276
		277	sub encode_json($) { $json_coder->encode ($_[0]) }
		278	sub decode_json($) { $json_coder->decode ($_[0]) }
247		279
248	=item cf::lock_wait $string	280	=item cf::lock_wait $string
249		281
250	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
251		283
…		…
254	Wait until the given lock is available and then acquires it and returns	286	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,	287	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	288	for example when the coroutine gets canceled), the lock is automatically
257	returned.	289	returned.
258		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
259	Lock names should begin with a unique identifier (for example, cf::map::find	294	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
261		296
262	=item $locked = cf::lock_active $string	297	=item $locked = cf::lock_active $string
263		298
264	Return true if the lock is currently active, i.e. somebody has locked it.	299	Return true if the lock is currently active, i.e. somebody has locked it.
265		300
266	=cut	301	=cut
267		302
268	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
269		305
270	sub lock_wait($) {	306	sub lock_wait($) {
271	my ($key) = @_;	307	my ($key) = @_;
		308
		309	if ($LOCKER{$key} == $Coro::current) {#d#
		310	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		311	return;#d#
		312	}#d#
272		313
273	# wait for lock, if any	314	# wait for lock, if any
274	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	317	Coro::schedule;
…		…
282		323
283	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
284	lock_wait $key;	325	lock_wait $key;
285		326
286	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
287		329
288	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
291	}	334	}
292	}	335	}
293		336
…		…
305	};	348	};
306	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
307	$guard	350	$guard
308	}	351	}
309		352
		353	=item cf::periodic $interval, $cb
		354
		355	Like EV::periodic, but randomly selects a starting point so that the actions
		356	get spread over timer.
		357
		358	=cut
		359
		360	sub periodic($$) {
		361	my ($interval, $cb) = @_;
		362
		363	my $start = rand List::Util::min 180, $interval;
		364
		365	EV::periodic $start, $interval, 0, $cb
		366	}
		367
		368	=item cf::get_slot $time[, $priority[, $name]]
		369
		370	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		371	This call blocks and returns only when you have at least C<$time> seconds
		372	of cpu time till the next tick. The slot is only valid till the next cede.
		373
		374	The optional C<$name> can be used to identify the job to run. It might be
		375	used for statistical purposes and should identify the same time-class.
		376
		377	Useful for short background jobs.
		378
		379	=cut
		380
		381	our @SLOT_QUEUE;
		382	our $SLOT_QUEUE;
		383
		384	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		385	$SLOT_QUEUE = Coro::async {
		386	$Coro::current->desc ("timeslot manager");
		387
		388	my $signal = new Coro::Signal;
		389
		390	while () {
		391	next_job:
		392	my $avail = cf::till_tick;
		393	if ($avail > 0.01) {
		394	for (0 .. $#SLOT_QUEUE) {
		395	if ($SLOT_QUEUE[$_][0] < $avail) {
		396	my $job = splice @SLOT_QUEUE, $_, 1, ();
		397	$job->[2]->send;
		398	Coro::cede;
		399	goto next_job;
		400	}
		401	}
		402	}
		403
		404	if (@SLOT_QUEUE) {
		405	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		406	push @cf::WAIT_FOR_TICK, $signal;
		407	$signal->wait;
		408	} else {
		409	Coro::schedule;
		410	}
		411	}
		412	};
		413
		414	sub get_slot($;$$) {
		415	my ($time, $pri, $name) = @_;
		416
		417	$time = $TICK * .6 if $time > $TICK * .6;
		418	my $sig = new Coro::Signal;
		419
		420	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		421	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		422	$SLOT_QUEUE->ready;
		423	$sig->wait;
		424	}
		425
310	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
311		427
312	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
313	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	429	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
314	thing you are allowed to do is call C<prio> on it.	430	thing you are allowed to do is call C<prio> on it.
…		…
317		433
318	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
319		435
320	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
321		437
322	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
325		442
326	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
329	fast or be very important.	446	fast or be very important.
…		…
332		449
333	sub sync_job(&) {	450	sub sync_job(&) {
334	my ($job) = @_;	451	my ($job) = @_;
335		452
336	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	454	my $time = EV::time;
338		455
339	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
341		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
342	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
343	# (but this is cancel-safe)	462	# (but this is cancel-safe)
344	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
345		464
346	my $busy = 1;	465	my $busy = 1;
347	my @res;	466	my @res;
348		467
349	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	470	@res = eval { $job->() };
351	warn $@ if $@;	471	warn $@ if $@;
352	undef $busy;	472	undef $busy;
353	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
354		474
355	while ($busy) {	475	while ($busy) {
356	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
357	}	480	}
		481	}
358		482
359	$time = Event::time - $time;	483	$time = EV::time - $time;
360		484
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"	485	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	486	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363		487
364	$tick_start += $time; # do not account sync jobs to server load	488	$tick_start += $time; # do not account sync jobs to server load
…		…
389	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
390		514
391	$coro	515	$coro
392	}	516	}
393		517
394	sub write_runtime {	518	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		519
397	# first touch the runtime file to show we are still running:	520	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	521	process, returning the results. Everything must be serialisable with
		522	Coro::Storable. May, of course, block. Note that the executed sub may
		523	never block itself or use any form of event handling.
399		524
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	525	=cut
401	utime undef, undef, $fh;	526
		527	sub fork_call(&@) {
		528	my ($cb, @args) = @_;
		529
		530	# we seemingly have to make a local copy of the whole thing,
		531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
		533
		534	my @res = Coro::Util::fork_eval {
		535	reset_signals;
		536	&$cb
		537	}, @args;
		538
		539	wantarray ? @res : $res[-1]
		540	}
		541
		542	=item $value = cf::db_get $family => $key
		543
		544	Returns a single value from the environment database.
		545
		546	=item cf::db_put $family => $key => $value
		547
		548	Stores the given C<$value> in the family. It can currently store binary
		549	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		550
		551	=item $db = cf::db_table "name"
		552
		553	Create and/or open a new database table. The string must not be "db" and must be unique
		554	within each server.
		555
		556	=cut
		557
		558	sub db_table($) {
		559	my ($name) = @_;
		560	my $db = BDB::db_create $DB_ENV;
		561
		562	eval {
		563	$db->set_flags (BDB::CHKSUM);
		564
		565	utf8::encode $name;
		566	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		567	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		568	cf::cleanup "db_open(db): $!" if $!;
402	}	569	};
		570	cf::cleanup "db_open(db): $@" if $@;
403		571
404	my $guard = cf::lock_acquire "write_runtime";	572	$db
		573	}
405		574
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	575	our $DB;
407	or return;
408		576
409	my $value = $cf::RUNTIME + 90 + 10;	577	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	578	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	579	$DB ||= db_table "db";
		580	};
		581	}
412		582
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	583	sub db_get($$) {
414	and return;	584	my $key = "$_[0]/$_[1]";
415		585
416	# always fsync - this file is important	586	cf::sync_job {
417	aio_fsync $fh	587	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		588
420	# touch it again to show we are up-to-date	589	$! ? ()
421	utime undef, undef, $fh;	590	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		595	BDB::dbreq_pri 4;
		596	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		597	}
		598
		599	=item cf::cache $id => [$paths...], $processversion => $process
		600
		601	Generic caching function that returns the value of the resource $id,
		602	caching and regenerating as required.
		603
		604	This function can block.
		605
		606	=cut
		607
		608	sub cache {
		609	my ($id, $src, $processversion, $process) = @_;
		610
		611	my $meta =
		612	join "\x00",
		613	$processversion,
		614	map {
		615	aio_stat $_
		616	and Carp::croak "$_: $!";
		617
		618	($_, (stat _)[7,9])
		619	} @$src;
		620
		621	my $dbmeta = db_get cache => "$id/meta";
		622	if ($dbmeta ne $meta) {
		623	# changed, we may need to process
		624
		625	my @data;
		626	my $md5;
		627
		628	for (0 .. $#$src) {
		629	0 <= aio_load $src->[$_], $data[$_]
		630	or Carp::croak "$src->[$_]: $!";
		631	}
		632
		633	# if processing is expensive, check
		634	# checksum first
		635	if (1) {
		636	$md5 =
		637	join "\x00",
		638	$processversion,
		639	map {
		640	cf::cede_to_tick;
		641	($src->[$_], Digest::MD5::md5_hex $data[$_])
		642	} 0.. $#$src;
		643
		644
		645	my $dbmd5 = db_get cache => "$id/md5";
		646	if ($dbmd5 eq $md5) {
		647	db_put cache => "$id/meta", $meta;
		648
		649	return db_get cache => "$id/data";
		650	}
		651	}
		652
		653	my $t1 = Time::HiRes::time;
		654	my $data = $process->(\@data);
		655	my $t2 = Time::HiRes::time;
		656
		657	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		658
		659	db_put cache => "$id/data", $data;
		660	db_put cache => "$id/md5" , $md5;
		661	db_put cache => "$id/meta", $meta;
		662
		663	return $data;
		664	}
		665
		666	db_get cache => "$id/data"
432	}	667	}
433		668
434	=item cf::datalog type => key => value, ...	669	=item cf::datalog type => key => value, ...
435		670
436	Log a datalog packet of the given type with the given key-value pairs.	671	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")	689	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
456		691
457	In the following description, CLASS can be any of C<global>, C<object>	692	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	693	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	694	Deliantra).
460		695
461	=over 4	696	=over 4
462		697
463	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
464		699
…		…
666	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
667	}	902	}
668		903
669	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
670	} else {	905	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	907	}
673		908
674	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
675	}	910	}
676		911
…		…
716	";	951	";
717	die if $@;	952	die if $@;
718	}	953	}
719		954
720	our $override;	955	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	956	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		957
723	sub override {	958	sub override {
724	$override = 1;	959	$override = 1;
725	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
726	}	961	}
727		962
728	sub do_invoke {	963	sub do_invoke {
729	my $event = shift;	964	my $event = shift;
730	my $callbacks = shift;	965	my $callbacks = shift;
731		966
732	@invoke_results = ();	967	@INVOKE_RESULTS = ();
733		968
734	local $override;	969	local $override;
735		970
736	for (@$callbacks) {	971	for (@$callbacks) {
737	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
746	}	981	}
747		982
748	0	983	0
749	}	984	}
750		985
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		987
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		989
755	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
756		991
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	992	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	993	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		995
761	=back	996	=back
762		997
763	=cut	998	=cut
764		999
765	#############################################################################	1000	#############################################################################
766	# object support	1001	# object support
		1002
		1003	sub _object_equal($$);
		1004	sub _object_equal($$) {
		1005	my ($a, $b) = @_;
		1006
		1007	return 0 unless (ref $a) eq (ref $b);
		1008
		1009	if ("HASH" eq ref $a) {
		1010	my @ka = keys %$a;
		1011	my @kb = keys %$b;
		1012
		1013	return 0 if @ka != @kb;
		1014
		1015	for (0 .. $#ka) {
		1016	return 0 unless $ka[$_] eq $kb[$_];
		1017	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1018	}
		1019
		1020	} elsif ("ARRAY" eq ref $a) {
		1021
		1022	return 0 if @$a != @$b;
		1023
		1024	for (0 .. $#$a) {
		1025	return 0 unless _object_equal $a->[$_], $b->[$_];
		1026	}
		1027
		1028	} elsif ($a ne $b) {
		1029	return 0;
		1030	}
		1031
		1032	1
		1033	}
		1034
		1035	our $SLOW_MERGES;#d#
		1036	sub _can_merge {
		1037	my ($ob1, $ob2) = @_;
		1038
		1039	++$SLOW_MERGES;#d#
		1040
		1041	# we do the slow way here
		1042	return _object_equal $ob1, $ob2
		1043	}
767		1044
768	sub reattach {	1045	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1047	my ($obj) = @_;
771		1048
…		…
792	cf::attachable->attach (	1069	cf::attachable->attach (
793	prio => -1000000,	1070	prio => -1000000,
794	on_instantiate => sub {	1071	on_instantiate => sub {
795	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
796		1073
797	$data = from_json $data;	1074	$data = decode_json $data;
798		1075
799	for (@$data) {	1076	for (@$data) {
800	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
801		1078
802	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1095	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
820		1097
821	sync_job {	1098	sync_job {
822	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
825		1103
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1107	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1108	close $fh;
831		1109
832	if (@$objs) {	1110	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1111	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1115	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1116	close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
840	}	1118	}
…		…
848	}	1126	}
849	} else {	1127	} else {
850	aio_unlink $filename;	1128	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
852	}	1130	}
853	}	1131	};
854	}	1132	}
855		1133
856	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
858		1136
…		…
870	or return;	1148	or return;
871		1149
872	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
874	or return;	1152	or return;
		1153
875	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
876	}	1156	}
877		1157
		1158	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
880	return ($data, $av);	1162	($data, $av)
881	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
882		1170
883	#############################################################################	1171	#############################################################################
884	# command handling &c	1172	# command handling &c
885		1173
886	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1188	}
901		1189
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1191
904	Register a callbackf ro execution when the client sends an extcmd packet.	1192	Register a callback for execution when the client sends an (synchronous)
		1193	extcmd packet. Ext commands will be processed in the order they are
		1194	received by the server, like other user commands. The first argument is
		1195	the logged-in player. Ext commands can only be processed after a player
		1196	has logged in successfully.
905		1197
906	If the callback returns something, it is sent back as if reply was being	1198	If the callback returns something, it is sent back as if reply was being
907	called.	1199	called.
908		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
909	=cut	1212	=cut
910		1213
911	sub register_extcmd {	1214	sub register_extcmd {
912	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
913		1216
914	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
915	}	1224	}
916		1225
917	cf::player->attach (	1226	cf::player->attach (
918	on_command => sub {	1227	on_command => sub {
919	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1237	cf::override;
929	},	1238	},
930	on_extcmd => sub {	1239	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
932		1241
933	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1243
935	if (ref $msg) {	1244	if (ref $msg) {
		1245	my ($type, $reply, @payload) =
		1246	"ARRAY" eq ref $msg
		1247	? @$msg
		1248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1249
		1250	my @reply;
		1251
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
941	} else {	1259	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1261	}
944		1262
945	cf::override;	1263	cf::override;
946	},	1264	},
947	);	1265	);
948		1266
949	sub load_extension {
950	my ($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 {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
984	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1272	next unless -r $path;
986	eval {	1273
987	load_extension $ext;	1274	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1275	my $base = $1;
		1276	my $pkg = $1;
		1277	$pkg =~ s/[^[:word:]]/_/g;
		1278	$pkg = "ext::$pkg";
		1279
		1280	open my $fh, "<:utf8", $path
		1281	or die "$path: $!";
		1282
		1283	my $source = do { local $/; <$fh> };
		1284
		1285	my %ext = (
		1286	path => $path,
		1287	base => $base,
		1288	pkg => $pkg,
		1289	);
		1290
		1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1293
		1294	$ext{source} =
		1295	"package $pkg; use strict; use utf8;\n"
		1296	. "#line 1 \"$path\"\n{\n"
		1297	. $source
		1298	. "\n};\n1";
		1299
		1300	$todo{$base} = \%ext;
		1301	}
		1302
		1303	my %done;
		1304	while (%todo) {
		1305	my $progress;
		1306
		1307	while (my ($k, $v) = each %todo) {
		1308	for (split /,\s*/, $v->{meta}{depends}) {
		1309	goto skip
		1310	unless exists $done{$_};
		1311	}
		1312
		1313	warn "... loading '$k' into '$v->{pkg}'\n";
		1314
		1315	unless (eval $v->{source}) {
		1316	my $msg = $@ ? "$v->{path}: $@\n"
		1317	: "$v->{base}: extension inactive.\n";
		1318
		1319	if (exists $v->{meta}{mandatory}) {
		1320	warn $msg;
		1321	warn "mandatory extension failed to load, exiting.\n";
		1322	exit 1;
		1323	}
		1324
		1325	warn $msg;
		1326	}
		1327
		1328	$done{$k} = delete $todo{$k};
		1329	push @EXTS, $v->{pkg};
		1330	$progress = 1;
988	1	1331	}
989	} or warn "$ext not loaded: $@";	1332
		1333	skip:
		1334	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1335	unless $progress;
		1336	}
990	}	1337	};
991	}	1338	}
992		1339
993	#############################################################################	1340	#############################################################################
994		1341
		1342	=back
		1343
995	=head2 CORE EXTENSIONS	1344	=head2 CORE EXTENSIONS
996		1345
997	Functions and methods that extend core crossfire objects.	1346	Functions and methods that extend core crossfire objects.
998		1347
999	=cut	1348	=cut
…		…
1003	use Coro::AIO;	1352	use Coro::AIO;
1004		1353
1005	=head3 cf::player	1354	=head3 cf::player
1006		1355
1007	=over 4	1356	=over 4
		1357
		1358	=item cf::player::num_playing
		1359
		1360	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1361
		1362	=cut
		1363
		1364	sub num_playing {
		1365	scalar grep
		1366	$_->ob->map
		1367	&& !$_->hidden
		1368	&& !$_->ob->flag (cf::FLAG_WIZ),
		1369	cf::player::list
		1370	}
1008		1371
1009	=item cf::player::find $login	1372	=item cf::player::find $login
1010		1373
1011	Returns the given player object, loading it if necessary (might block).	1374	Returns the given player object, loading it if necessary (might block).
1012		1375
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1411	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1412	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1413	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1414	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1415
1053	my $pl = load_pl path $login	1416	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1417	or return;
		1418
		1419	my $pl = cf::player::load_pl $f
		1420	or return;
		1421	local $cf::PLAYER_LOADING{$login} = $pl;
		1422	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1423	$cf::PLAYER{$login} = $pl
1056	}	1424	}
1057	}	1425	}
1058	}	1426	}
1059		1427
…		…
1069		1437
1070	aio_mkdir playerdir $pl, 0770;	1438	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1439	$pl->{last_save} = $cf::RUNTIME;
1072		1440
1073	$pl->save_pl ($path);	1441	$pl->save_pl ($path);
1074	Coro::cede;	1442	cf::cede_to_tick;
1075	}	1443	}
1076		1444
1077	sub new($) {	1445	sub new($) {
1078	my ($login) = @_;	1446	my ($login) = @_;
1079		1447
…		…
1083	$self->{deny_save} = 1;	1451	$self->{deny_save} = 1;
1084		1452
1085	$cf::PLAYER{$login} = $self;	1453	$cf::PLAYER{$login} = $self;
1086		1454
1087	$self	1455	$self
		1456	}
		1457
		1458	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1459
		1460	=cut
		1461
		1462	sub send_msg {
		1463	my $ns = shift->ns
		1464	or return;
		1465	$ns->send_msg (@_);
1088	}	1466	}
1089		1467
1090	=item $pl->quit_character	1468	=item $pl->quit_character
1091		1469
1092	Nukes the player without looking back. If logged in, the connection will	1470	Nukes the player without looking back. If logged in, the connection will
…		…
1147	or return [];	1525	or return [];
1148		1526
1149	my @logins;	1527	my @logins;
1150		1528
1151	for my $login (@$dirs) {	1529	for my $login (@$dirs) {
		1530	my $path = path $login;
		1531
		1532	# a .pst is a dead give-away for a valid player
		1533	unless (-e "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1534	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1535	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1536	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1537	}
1155		1538
1156	utf8::decode $login;	1539	utf8::decode $login;
1157	push @logins, $login;	1540	push @logins, $login;
1158	}	1541	}
1159		1542
…		…
1186	}	1569	}
1187		1570
1188	\@paths	1571	\@paths
1189	}	1572	}
1190		1573
		1574	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1575
		1576	Expand crossfire pod fragments into protocol xml.
		1577
		1578	=cut
		1579
		1580	use re 'eval';
		1581
		1582	my $group;
		1583	my $interior; $interior = qr{
		1584	# match a pod interior sequence sans C<< >>
		1585	(?:
		1586	\ (.*?)\ (?{ $group = $^N })
		1587	| < (??{$interior}) >
		1588	)
		1589	}x;
		1590
		1591	sub expand_cfpod {
		1592	my ($self, $pod) = @_;
		1593
		1594	my $xml;
		1595
		1596	while () {
		1597	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1598	$group = $1;
		1599
		1600	$group =~ s/&/&amp;/g;
		1601	$group =~ s/</&lt;/g;
		1602
		1603	$xml .= $group;
		1604	} elsif ($pod =~ m%\G
		1605	([BCGHITU])
		1606	<
		1607	(?:
		1608	([^<>]*) (?{ $group = $^N })
		1609	| < $interior >
		1610	)
		1611	>
		1612	%gcsx
		1613	) {
		1614	my ($code, $data) = ($1, $group);
		1615
		1616	if ($code eq "B") {
		1617	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1618	} elsif ($code eq "I") {
		1619	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1620	} elsif ($code eq "U") {
		1621	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1622	} elsif ($code eq "C") {
		1623	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1624	} elsif ($code eq "T") {
		1625	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1626	} elsif ($code eq "G") {
		1627	my ($male, $female) = split /\|/, $data;
		1628	$data = $self->gender ? $female : $male;
		1629	$xml .= expand_cfpod ($self, $data);
		1630	} elsif ($code eq "H") {
		1631	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1632	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1633	"")
		1634	[$self->{hintmode}];
		1635	} else {
		1636	$xml .= "error processing '$code($data)' directive";
		1637	}
		1638	} else {
		1639	if ($pod =~ /\G(.+)/) {
		1640	warn "parse error while expanding $pod (at $1)";
		1641	}
		1642	last;
		1643	}
		1644	}
		1645
		1646	for ($xml) {
		1647	# create single paragraphs (very hackish)
		1648	s/(?<=\S)\n(?=\w)/ /g;
		1649
		1650	# compress some whitespace
		1651	s/\s+\n/\n/g; # ws line-ends
		1652	s/\n\n+/\n/g; # double lines
		1653	s/^\n+//; # beginning lines
		1654	s/\n+$//; # ending lines
		1655	}
		1656
		1657	$xml
		1658	}
		1659
		1660	no re 'eval';
		1661
		1662	sub hintmode {
		1663	$_[0]{hintmode} = $_[1] if @_ > 1;
		1664	$_[0]{hintmode}
		1665	}
		1666
1191	=item $player->ext_reply ($msgid, %msg)	1667	=item $player->ext_reply ($msgid, @msg)
1192		1668
1193	Sends an ext reply to the player.	1669	Sends an ext reply to the player.
1194		1670
1195	=cut	1671	=cut
1196		1672
1197	sub ext_reply($$%) {	1673	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1674	my ($self, $id, @msg) = @_;
1199		1675
1200	$msg{msgid} = $id;	1676	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1677	}
1204		1678
1205	=item $player->ext_event ($type, %msg)	1679	=item $player->ext_msg ($type, @msg)
1206		1680
1207	Sends an ext event to the client.	1681	Sends an ext event to the client.
1208		1682
1209	=cut	1683	=cut
1210		1684
1211	sub ext_event($$%) {	1685	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1686	my ($self, $type, @msg) = @_;
1213		1687
1214	$self->ns->ext_event ($type, %msg);	1688	$self->ns->ext_msg ($type, @msg);
1215	}	1689	}
1216		1690
1217	=head3 cf::region	1691	=head3 cf::region
1218		1692
1219	=over 4	1693	=over 4
…		…
1222		1696
1223	package cf::region;	1697	package cf::region;
1224		1698
1225	=item cf::region::find_by_path $path	1699	=item cf::region::find_by_path $path
1226		1700
1227	Tries to decuce the probable region for a map knowing only its path.	1701	Tries to decuce the likely region for a map knowing only its path.
1228		1702
1229	=cut	1703	=cut
1230		1704
1231	sub find_by_path($) {	1705	sub find_by_path($) {
1232	my ($path) = @_;	1706	my ($path) = @_;
1233		1707
1234	my ($match, $specificity);	1708	my ($match, $specificity);
1235		1709
1236	for my $region (list) {	1710	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1711	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1712	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1713	if $region->specificity > $specificity;
1240	}	1714	}
1241	}	1715	}
1242		1716
…		…
1306	my ($self, $merge) = @_;	1780	my ($self, $merge) = @_;
1307		1781
1308	# we have to keep some variables in memory intact	1782	# we have to keep some variables in memory intact
1309	local $self->{path};	1783	local $self->{path};
1310	local $self->{load_path};	1784	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1785
1314	$self->SUPER::thawer_merge ($merge);	1786	$self->SUPER::thawer_merge ($merge);
1315	}	1787	}
1316		1788
1317	sub normalise {	1789	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1836	$self->init; # pass $1 etc.
1365	return $self;	1837	return $self;
1366	}	1838	}
1367	}	1839	}
1368		1840
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1841	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1842	()
1371	}	1843	}
1372		1844
1373	sub init {	1845	sub init {
1374	my ($self) = @_;	1846	my ($self) = @_;
…		…
1417		1889
1418	$_->change_map_light ($change)	1890	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1891	for grep $_->outdoor, values %cf::MAP;
1420	}	1892	}
1421		1893
		1894	sub decay_objects {
		1895	my ($self) = @_;
		1896
		1897	return if $self->{deny_reset};
		1898
		1899	$self->do_decay_objects;
		1900	}
		1901
1422	sub unlink_save {	1902	sub unlink_save {
1423	my ($self) = @_;	1903	my ($self) = @_;
1424		1904
1425	utf8::encode (my $save = $self->save_path);	1905	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1906	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1909
1430	sub load_header_from($) {	1910	sub load_header_from($) {
1431	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1432		1912
1433	utf8::encode $path;	1913	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1915	or return;
		1916
		1917	$self->_load_header ($f)
		1918	or return;
		1919
		1920	local $MAP_LOADING{$self->{path}} = $self;
		1921	$f->resolve_delayed_derefs;
1439		1922
1440	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1441		1924
1442	1	1925	1
1443	}	1926	}
…		…
1482	$self->load_header_orig	1965	$self->load_header_orig
1483	or return;	1966	or return;
1484	$self->prepare_orig;	1967	$self->prepare_orig;
1485	}	1968	}
1486		1969
		1970	$self->{deny_reset} = 1
		1971	if $self->no_reset;
		1972
1487	$self->default_region (cf::region::find_by_path $self->{path})	1973	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1974	unless $self->default_region;
1489		1975
1490	1	1976	1
1491	}	1977	}
…		…
1494	sub find {	1980	sub find {
1495	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1496		1982
1497	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1498		1984
		1985	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1986	cf::lock_wait "map_find:$path";
1500		1987
1501	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";	1989	my $guard1 = cf::lock_acquire "map_find:$path";
		1990	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1991
1503	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
1504	or return;	1993	or return;
1505		1994
1506	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1507		1996
1508	$map->load_header	1997	$map->load_header
1509	or return;	1998	or return;
1510		1999
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2001	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard1;
		2004	undef $guard2;
1514	$map->reset;	2005	$map->reset;
1515	undef $guard;
1516	return find $path;	2006	return find $path;
1517	}	2007	}
1518		2008
1519	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
1520	}	2010	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2019	local $self->{deny_reset} = 1; # loading can take a long time
1530		2020
1531	my $path = $self->{path};	2021	my $path = $self->{path};
1532		2022
1533	{	2023	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2024	my $guard = cf::lock_acquire "map_data:$path";
1535		2025
		2026	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2027	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2028
1538	$self->in_memory (cf::MAP_LOADING);	2029	$self->in_memory (cf::MAP_LOADING);
1539		2030
1540	$self->alloc;	2031	$self->alloc;
1541		2032
1542	$self->pre_load;	2033	$self->pre_load;
1543	Coro::cede;	2034	cf::cede_to_tick;
1544		2035
		2036	my $f = new_from_file cf::object::thawer $self->{load_path};
		2037	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2038	$self->_load_objects ($f)
1546	or return;	2039	or return;
1547		2040
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	2042	if delete $self->{load_original};
1550		2043
1551	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2045	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2046	unless (aio_stat $uniq) {
		2047	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2048	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2049	$self->_load_objects ($f);
		2050	$f->resolve_delayed_derefs;
		2051	}
1556	}	2052	}
1557	}	2053	}
1558		2054
1559	Coro::cede;	2055	$f->resolve_delayed_derefs;
		2056
		2057	cf::cede_to_tick;
1560	# now do the right thing for maps	2058	# now do the right thing for maps
1561	$self->link_multipart_objects;	2059	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2060	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2061	unless $self->difficulty;
1564	Coro::cede;	2062	cf::cede_to_tick;
1565		2063
1566	unless ($self->{deny_activate}) {	2064	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2065	$self->decay_objects;
1568	$self->fix_auto_apply;	2066	$self->fix_auto_apply;
1569	$self->update_buttons;	2067	$self->update_buttons;
1570	Coro::cede;	2068	cf::cede_to_tick;
1571	$self->set_darkness_map;	2069	$self->set_darkness_map;
1572	Coro::cede;	2070	cf::cede_to_tick;
1573	$self->activate;	2071	$self->activate;
1574	}	2072	}
		2073
		2074	$self->{last_save} = $cf::RUNTIME;
		2075	$self->last_access ($cf::RUNTIME);
1575		2076
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2077	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	2078	}
1578		2079
1579	$self->post_load;	2080	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	2084	my ($self, $ob) = @_;
1584		2085
1585	return find "~" . $ob->name . "/" . $self->{path}	2086	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2087	if $self->per_player;
1587		2088
		2089	# return find "?party/" . $ob->name . "/" . $self->{path}
		2090	# if $self->per_party;
		2091
1588	$self	2092	$self
1589	}	2093	}
1590		2094
1591	# find and load all maps in the 3x3 area around a map	2095	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2096	sub load_neighbours {
1593	my ($map) = @_;	2097	my ($map) = @_;
1594		2098
1595	my @diag; # diagonal neighbours	2099	my @neigh; # diagonal neighbours
1596		2100
1597	for (0 .. 3) {	2101	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2102	my $neigh = $map->tile_path ($_)
1599	or next;	2103	or next;
1600	$neigh = find $neigh, $map	2104	$neigh = find $neigh, $map
1601	or next;	2105	or next;
1602	$neigh->load;	2106	$neigh->load;
1603		2107
		2108	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2111	}
1607		2112
1608	for (@diag) {	2113	for (grep defined $_->[0], @neigh) {
		2114	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2115	my $neigh = find $path, $origin
1610	or next;	2116	or next;
1611	$neigh->load;	2117	$neigh->load;
1612	}	2118	}
1613	}	2119	}
1614		2120
…		…
1619	}	2125	}
1620		2126
1621	sub do_load_sync {	2127	sub do_load_sync {
1622	my ($map) = @_;	2128	my ($map) = @_;
1623		2129
		2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2131	if $Coro::current == $Coro::main;
		2132
1624	cf::sync_job { $map->load };	2133	cf::sync_job { $map->load };
1625	}	2134	}
1626		2135
1627	our %MAP_PREFETCH;	2136	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2137	our $MAP_PREFETCHER = undef;
1629		2138
1630	sub find_async {	2139	sub find_async {
1631	my ($path, $origin) = @_;	2140	my ($path, $origin, $load) = @_;
1632		2141
1633	$path = normalise $path, $origin && $origin->{path};	2142	$path = normalise $path, $origin && $origin->{path};
1634		2143
1635	if (my $map = $cf::MAP{$path}) {	2144	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2145	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2146	}
1638		2147
1639	undef $MAP_PREFETCH{$path};	2148	$MAP_PREFETCH{$path} |= $load;
		2149
1640	$MAP_PREFETCHER ||= cf::async {	2150	$MAP_PREFETCHER ||= cf::async {
		2151	$Coro::current->{desc} = "map prefetcher";
		2152
1641	while (%MAP_PREFETCH) {	2153	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2154	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2155	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2156	$map->load if $v;
		2157	}
1646		2158
1647	delete $MAP_PREFETCH{$path};	2159	delete $MAP_PREFETCH{$k};
1648	}	2160	}
1649	}	2161	}
1650	undef $MAP_PREFETCHER;	2162	undef $MAP_PREFETCHER;
1651	};	2163	};
1652	$MAP_PREFETCHER->prio (6);	2164	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2167	}
1656		2168
1657	sub save {	2169	sub save {
1658	my ($self) = @_;	2170	my ($self) = @_;
1659		2171
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2173
1662	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1663		2175
1664	return unless $self->dirty;	2176	return unless $self->dirty;
1665		2177
…		…
1671	return if $self->{deny_save};	2183	return if $self->{deny_save};
1672		2184
1673	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
1674		2186
1675	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
1677	};	2190	};
1678		2191
1679	if ($uniq) {	2192	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1688	my ($self) = @_;	2201	my ($self) = @_;
1689		2202
1690	# save first because save cedes	2203	# save first because save cedes
1691	$self->save;	2204	$self->save;
1692		2205
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2207
1695	return if $self->players;	2208	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2210	return if $self->{deny_save};
1698		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	$self->deactivate;
		2215	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2216	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2217	}
1702		2218
1703	sub reset_at {	2219	sub reset_at {
1704	my ($self) = @_;	2220	my ($self) = @_;
1705		2221
1706	# TODO: safety, remove and allow resettable per-player maps	2222	# 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};	2223	return 1e99 if $self->{deny_reset};
1709		2224
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2225	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2226	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2227
…		…
1723	my ($self) = @_;	2238	my ($self) = @_;
1724		2239
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2241
1727	return if $self->players;	2242	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2243
1730	warn "resetting map ", $self->path;#d#	2244	warn "resetting map ", $self->path;
1731		2245
1732	$self->in_memory (cf::MAP_SWAPPED);	2246	$self->in_memory (cf::MAP_SWAPPED);
1733		2247
1734	# need to save uniques path	2248	# need to save uniques path
1735	unless ($self->{deny_save}) {	2249	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2253	if $uniq;
1740	}	2254	}
1741		2255
1742	delete $cf::MAP{$self->path};	2256	delete $cf::MAP{$self->path};
1743		2257
		2258	$self->deactivate;
		2259	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2260	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2261
1748	$self->unlink_save;	2262	$self->unlink_save;
1749	$self->destroy;	2263	$self->destroy;
1750	}	2264	}
1751		2265
1752	my $nuke_counter = "aaaa";	2266	my $nuke_counter = "aaaa";
1753		2267
1754	sub nuke {	2268	sub nuke {
1755	my ($self) = @_;	2269	my ($self) = @_;
1756		2270
		2271	{
		2272	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2273
1757	delete $cf::MAP{$self->path};	2274	delete $cf::MAP{$self->path};
1758		2275
1759	$self->unlink_save;	2276	$self->unlink_save;
1760		2277
1761	bless $self, "cf::map";	2278	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2279	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2280	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2281	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2283
1767	$cf::MAP{$self->path} = $self;	2284	$cf::MAP{$self->path} = $self;
		2285	}
1768		2286
1769	$self->reset; # polite request, might not happen	2287	$self->reset; # polite request, might not happen
		2288	}
		2289
		2290	=item $maps = cf::map::tmp_maps
		2291
		2292	Returns an arrayref with all map paths of currently instantiated and saved
		2293	maps. May block.
		2294
		2295	=cut
		2296
		2297	sub tmp_maps() {
		2298	[
		2299	map {
		2300	utf8::decode $_;
		2301	/\.map$/
		2302	? normalise $_
		2303	: ()
		2304	} @{ aio_readdir $TMPDIR or [] }
		2305	]
		2306	}
		2307
		2308	=item $maps = cf::map::random_maps
		2309
		2310	Returns an arrayref with all map paths of currently instantiated and saved
		2311	random maps. May block.
		2312
		2313	=cut
		2314
		2315	sub random_maps() {
		2316	[
		2317	map {
		2318	utf8::decode $_;
		2319	/\.map$/
		2320	? normalise "?random/$_"
		2321	: ()
		2322	} @{ aio_readdir $RANDOMDIR or [] }
		2323	]
1770	}	2324	}
1771		2325
1772	=item cf::map::unique_maps	2326	=item cf::map::unique_maps
1773		2327
1774	Returns an arrayref of paths of all shared maps that have	2328	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2329	instantiated unique items. May block.
1776		2330
1777	=cut	2331	=cut
1778		2332
1779	sub unique_maps() {	2333	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2334	[
1781	or return;	2335	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2336	utf8::decode $_;
1787	next if /\.pst$/;	2337	/\.map$/
1788	next unless /^$PATH_SEP/o;	2338	? normalise $_
1789		2339	: ()
1790	push @paths, cf::map::normalise $_;	2340	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2341	]
1792
1793	\@paths
1794	}	2342	}
1795		2343
1796	package cf;	2344	package cf;
1797		2345
1798	=back	2346	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2364	map { $_, inv_recursive_ $_->inv } @_
1817	}	2365	}
1818		2366
1819	sub inv_recursive {	2367	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2368	inv_recursive_ inv $_[0]
		2369	}
		2370
		2371	=item $ref = $ob->ref
		2372
		2373	creates and returns a persistent reference to an objetc that can be stored as a string.
		2374
		2375	=item $ob = cf::object::deref ($refstring)
		2376
		2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2378	even if the object actually exists. May block.
		2379
		2380	=cut
		2381
		2382	sub deref {
		2383	my ($ref) = @_;
		2384
		2385	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2386	my ($uuid, $name) = ($1, $2);
		2387	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2388	or return;
		2389	$pl->ob->uuid eq $uuid
		2390	or return;
		2391
		2392	$pl->ob
		2393	} else {
		2394	warn "$ref: cannot resolve object reference\n";
		2395	undef
		2396	}
1821	}	2397	}
1822		2398
1823	package cf;	2399	package cf;
1824		2400
1825	=back	2401	=back
…		…
1844		2420
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2421	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2422
1847	if ($self->{record_replies}) {	2423	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2424	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2425
1849	} else {	2426	} else {
		2427	my $pl = $self->contr;
		2428
		2429	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2430	my $dialog = $pl->{npc_dialog};
		2431	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2432
		2433	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2434	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2435	$self->message ($msg, $flags);
		2436	}
1852	}	2437	}
		2438	}
		2439
		2440	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2441
		2442	=cut
		2443
		2444	sub cf::object::send_msg {
		2445	my $pl = shift->contr
		2446	or return;
		2447	$pl->send_msg (@_);
1853	}	2448	}
1854		2449
1855	=item $player_object->may ("access")	2450	=item $player_object->may ("access")
1856		2451
1857	Returns wether the given player is authorized to access resource "access"	2452	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1905		2500
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2502
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1910		2505
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2507	}
1913		2508
1914	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1916		2513
1917	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1918		2515
1919	unless ($map) {	2516	unless ($map) {
1920	# restore original map position	2517	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1937		2534
1938	$map->load;	2535	$map->load;
1939	$map->load_diag;	2536	$map->load_neighbours;
1940		2537
1941	return unless $self->contr->active;	2538	return unless $self->contr->active;
1942	$self->activate_recursive;	2539	$self->activate_recursive;
1943		2540
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2541	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2542	$self->enter_map ($map, $x, $y);
1946	}	2543	}
1947		2544
1948	cf::player->attach (	2545	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2546
1952	# abort map switching before logout	2547	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2548	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2549	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2550	the new (success) or old (failed) map position. In either case, $done will
1956	};	2551	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2552
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)
1981
1982	=cut	2553	=cut
		2554
		2555	our $GOTOGEN;
1983		2556
1984	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
		2559
		2560	# do generation counting so two concurrent goto's will be executed in-order
		2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2562
1987	$self->enter_link;	2563	$self->enter_link;
1988		2564
1989	(async {	2565	(async {
		2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
1990	my $map = eval {	2587	my $map = eval {
1991	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
		2589
		2590	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2591	$map = $map->customise_for ($self);
		2592	$map = $check->($map) if $check && $map;
		2593	} else {
		2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	}
		2596
1993	$map	2597	$map
		2598	};
		2599
		2600	if ($@) {
		2601	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2602	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2603	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2604
		2605	if ($gen == $self->{_goto_generation}) {
		2606	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
		2608	}
		2609
		2610	$done->() if $done;
1998	})->prio (1);	2611	})->prio (1);
1999	}	2612	}
2000		2613
2001	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
2002		2615
…		…
2039	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
2040	}	2653	}
2041		2654
2042	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
2043		2656
2044	my $data = cf::to_json $rmp;	2657	my $data = cf::encode_json $rmp;
2045	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
2047		2660
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
…		…
2071	my $hp = $exit->stats->hp;	2684	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;	2685	my $sp = $exit->stats->sp;
2073		2686
2074	$self->enter_link;	2687	$self->enter_link;
2075		2688
		2689	# if exit is damned, update players death & WoR home-position
		2690	$self->contr->savebed ($slaying, $hp, $sp)
		2691	if $exit->flag (FLAG_DAMNED);
		2692
2076	(async {	2693	(async {
		2694	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2695
2077	$self->deactivate_recursive; # just to be sure	2696	$self->deactivate_recursive; # just to be sure
2078	unless (eval {	2697	unless (eval {
2079	$self->goto ($slaying, $hp, $sp);	2698	$self->goto ($slaying, $hp, $sp);
2080		2699
2081	1;	2700	1;
…		…
2107		2726
2108	utf8::encode $text;	2727	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2729	}
2111		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/uptime" => {
		2779	id => "infobox",
		2780	title => "Uptime",
		2781	reply => undef,
		2782	tooltip => "How long the server has been running since last restart",
		2783	},
		2784	"c/mapinfo" => {
		2785	id => "infobox",
		2786	title => "Map Info",
		2787	reply => undef,
		2788	tooltip => "Information related to the maps",
		2789	},
		2790	);
		2791
		2792	sub cf::client::send_msg {
		2793	my ($self, $channel, $msg, $color, @extra) = @_;
		2794
		2795	$msg = $self->pl->expand_cfpod ($msg);
		2796
		2797	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2798
		2799	# check predefined channels, for the benefit of C
		2800	if ($CHANNEL{$channel}) {
		2801	$channel = $CHANNEL{$channel};
		2802
		2803	$self->ext_msg (channel_info => $channel)
		2804	if $self->can_msg;
		2805
		2806	$channel = $channel->{id};
		2807
		2808	} elsif (ref $channel) {
		2809	# send meta info to client, if not yet sent
		2810	unless (exists $self->{channel}{$channel->{id}}) {
		2811	$self->{channel}{$channel->{id}} = $channel;
		2812	$self->ext_msg (channel_info => $channel)
		2813	if $self->can_msg;
		2814	}
		2815
		2816	$channel = $channel->{id};
		2817	}
		2818
		2819	return unless @extra || length $msg;
		2820
		2821	if ($self->can_msg) {
		2822	# default colour, mask it out
		2823	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2824	if $color & cf::NDI_DEF;
		2825
		2826	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2827	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2828	} else {
		2829	if ($color >= 0) {
		2830	# replace some tags by gcfclient-compatible ones
		2831	for ($msg) {
		2832	1 while
		2833	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2834	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2835	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2836	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2837	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2838	}
		2839
		2840	$color &= cf::NDI_COLOR_MASK;
		2841
		2842	utf8::encode $msg;
		2843
		2844	if (0 && $msg =~ /\[/) {
		2845	# COMMAND/INFO
		2846	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2847	} else {
		2848	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2849	$self->send_packet ("drawinfo $color $msg")
		2850	}
		2851	}
		2852	}
		2853	}
		2854
2112	=item $client->ext_event ($type, %msg)	2855	=item $client->ext_msg ($type, @msg)
2113		2856
2114	Sends an exti event to the client.	2857	Sends an ext event to the client.
2115		2858
2116	=cut	2859	=cut
2117		2860
2118	sub cf::client::ext_event($$%) {	2861	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2862	my ($self, $type, @msg) = @_;
2120		2863
		2864	if ($self->extcmd == 2) {
		2865	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2866	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2867	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2868	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2869	}
		2870	}
		2871
		2872	=item $client->ext_reply ($msgid, @msg)
		2873
		2874	Sends an ext reply to the client.
		2875
		2876	=cut
		2877
		2878	sub cf::client::ext_reply($$@) {
		2879	my ($self, $id, @msg) = @_;
		2880
		2881	if ($self->extcmd == 2) {
		2882	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2883	} elsif ($self->extcmd == 1) {
		2884	#TODO: version 1, remove
		2885	unshift @msg, msgtype => "reply", msgid => $id;
		2886	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2887	}
2123	}	2888	}
2124		2889
2125	=item $success = $client->query ($flags, "text", \&cb)	2890	=item $success = $client->query ($flags, "text", \&cb)
2126		2891
2127	Queues a query to the client, calling the given callback with	2892	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2893	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2894	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2895
2131	Queries can fail, so check the return code. Or don't, as queries will become	2896	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2897	become reliable at some point in the future.
2133		2898
2134	=cut	2899	=cut
2135		2900
2136	sub cf::client::query {	2901	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2902	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2910	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2911	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2912
2148	$self->send_packet ($self->{query_queue}[0][0])	2913	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2914	if @{ $self->{query_queue} } == 1;
		2915
		2916	1
2150	}	2917	}
2151		2918
2152	cf::client->attach (	2919	cf::client->attach (
		2920	on_connect => sub {
		2921	my ($ns) = @_;
		2922
		2923	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2924	},
2153	on_reply => sub {	2925	on_reply => sub {
2154	my ($ns, $msg) = @_;	2926	my ($ns, $msg) = @_;
2155		2927
2156	# this weird shuffling is so that direct followup queries	2928	# this weird shuffling is so that direct followup queries
2157	# get handled first	2929	# get handled first
…		…
2169	} else {	2941	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2942	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2943	}
2172	}	2944	}
2173	},	2945	},
		2946	on_exticmd => sub {
		2947	my ($ns, $buf) = @_;
		2948
		2949	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2950
		2951	if (ref $msg) {
		2952	my ($type, $reply, @payload) =
		2953	"ARRAY" eq ref $msg
		2954	? @$msg
		2955	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2956
		2957	my @reply;
		2958
		2959	if (my $cb = $EXTICMD{$type}) {
		2960	@reply = $cb->($ns, @payload);
		2961	}
		2962
		2963	$ns->ext_reply ($reply, @reply)
		2964	if $reply;
		2965
		2966	} else {
		2967	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2968	}
		2969
		2970	cf::override;
		2971	},
2174	);	2972	);
2175		2973
2176	=item $client->async (\&cb)	2974	=item $client->async (\&cb)
2177		2975
2178	Create a new coroutine, running the specified callback. The coroutine will	2976	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	3017	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3018	our $safe_hole = new Safe::Hole;
2221		3019
2222	$SIG{FPE} = 'IGNORE';	3020	$SIG{FPE} = 'IGNORE';
2223		3021
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3022	$safe->permit_only (Opcode::opset qw(
		3023	:base_core :base_mem :base_orig :base_math
		3024	grepstart grepwhile mapstart mapwhile
		3025	sort time
		3026	));
2225		3027
2226	# here we export the classes and methods available to script code	3028	# here we export the classes and methods available to script code
2227		3029
2228	=pod	3030	=pod
2229		3031
2230	The following functions and methods are available within a safe environment:	3032	The following functions and methods are available within a safe environment:
2231		3033
2232	cf::object contr pay_amount pay_player map	3034	cf::object
		3035	contr pay_amount pay_player map x y force_find force_add destroy
		3036	insert remove name archname title slaying race decrease_ob_nr
		3037
2233	cf::object::player player	3038	cf::object::player
2234	cf::player peaceful	3039	player
2235	cf::map trigger	3040
		3041	cf::player
		3042	peaceful
		3043
		3044	cf::map
		3045	trigger
2236		3046
2237	=cut	3047	=cut
2238		3048
2239	for (	3049	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3050	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3051	insert remove inv name archname title slaying race
		3052	decrease_ob_nr destroy)],
2241	["cf::object::player" => qw(player)],	3053	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3054	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	3055	["cf::map" => qw(trigger)],
2244	) {	3056	) {
2245	no strict 'refs';	3057	no strict 'refs';
…		…
2316	=back	3128	=back
2317		3129
2318	=cut	3130	=cut
2319		3131
2320	#############################################################################	3132	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3133	# the server's init and main functions
2496		3134
2497	sub load_facedata($) {	3135	sub load_facedata($) {
2498	my ($path) = @_;	3136	my ($path) = @_;
		3137
		3138	# HACK to clear player env face cache, we need some signal framework
		3139	# for this (global event?)
		3140	%ext::player_env::MUSIC_FACE_CACHE = ();
		3141
		3142	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3143
2500	warn "loading facedata from $path\n";	3144	warn "loading facedata from $path\n";
2501		3145
2502	my $facedata;	3146	my $facedata;
2503	0 < aio_load $path, $facedata	3147	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3150	$facedata = Coro::Storable::thaw $facedata;
2507		3151
2508	$facedata->{version} == 2	3152	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3153	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3154
		3155	# patch in the exptable
		3156	$facedata->{resource}{"res/exp_table"} = {
		3157	type => FT_RSRC,
		3158	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3159	};
		3160	cf::cede_to_tick;
		3161
2511	{	3162	{
2512	my $faces = $facedata->{faceinfo};	3163	my $faces = $facedata->{faceinfo};
2513		3164
2514	while (my ($face, $info) = each %$faces) {	3165	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3166	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3167
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3168	cf::face::set_visibility $idx, $info->{visibility};
		3169	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3170	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3171	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3172
		3173	cf::cede_to_tick;
2520	}	3174	}
2521		3175
2522	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3177	next unless $info->{smooth};
		3178
2524	my $idx = cf::face::find $face	3179	my $idx = cf::face::find $face
2525	or next;	3180	or next;
		3181
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3182	if (my $smooth = cf::face::find $info->{smooth}) {
		3183	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3184	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3185	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3186	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3187	}
2531	Coro::cede;	3188
		3189	cf::cede_to_tick;
2532	}	3190	}
2533	}	3191	}
2534		3192
2535	{	3193	{
2536	my $anims = $facedata->{animinfo};	3194	my $anims = $facedata->{animinfo};
2537		3195
2538	while (my ($anim, $info) = each %$anims) {	3196	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3197	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3198	cf::cede_to_tick;
2541	}	3199	}
2542		3200
2543	cf::anim::invalidate_all; # d'oh	3201	cf::anim::invalidate_all; # d'oh
2544	}	3202	}
2545		3203
		3204	{
		3205	# TODO: for gcfclient pleasure, we should give resources
		3206	# that gcfclient doesn't grok a >10000 face index.
		3207	my $res = $facedata->{resource};
		3208
		3209	while (my ($name, $info) = each %$res) {
		3210	if (defined $info->{type}) {
		3211	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3212	my $data;
		3213
		3214	if ($info->{type} & 1) {
		3215	# prepend meta info
		3216
		3217	my $meta = $enc->encode ({
		3218	name => $name,
		3219	%{ $info->{meta} || {} },
		3220	});
		3221
		3222	$data = pack "(w/a*)*", $meta, $info->{data};
		3223	} else {
		3224	$data = $info->{data};
		3225	}
		3226
		3227	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3228	cf::face::set_type $idx, $info->{type};
		3229	} else {
		3230	$RESOURCE{$name} = $info;
		3231	}
		3232
		3233	cf::cede_to_tick;
		3234	}
		3235	}
		3236
		3237	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3238
2546	1	3239	1
2547	}	3240	}
2548		3241
		3242	cf::global->attach (on_resource_update => sub {
		3243	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3244	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3245
		3246	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3247	my $sound = $soundconf->{compat}[$_]
		3248	or next;
		3249
		3250	my $face = cf::face::find "sound/$sound->[1]";
		3251	cf::sound::set $sound->[0] => $face;
		3252	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3253	}
		3254
		3255	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3256	my $face = cf::face::find "sound/$v";
		3257	cf::sound::set $k => $face;
		3258	}
		3259	}
		3260	});
		3261
		3262	register_exticmd fx_want => sub {
		3263	my ($ns, $want) = @_;
		3264
		3265	while (my ($k, $v) = each %$want) {
		3266	$ns->fx_want ($k, $v);
		3267	}
		3268	};
		3269
2549	sub reload_regions {	3270	sub reload_regions {
		3271	# HACK to clear player env face cache, we need some signal framework
		3272	# for this (global event?)
		3273	%ext::player_env::MUSIC_FACE_CACHE = ();
		3274
2550	load_resource_file "$MAPDIR/regions"	3275	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3276	or die "unable to load regions file\n";
		3277
		3278	for (cf::region::list) {
		3279	$_->{match} = qr/$_->{match}/
		3280	if exists $_->{match};
		3281	}
2552	}	3282	}
2553		3283
2554	sub reload_facedata {	3284	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3285	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3286	or die "unable to load facedata\n";
2557	}	3287	}
2558		3288
2559	sub reload_archetypes {	3289	sub reload_archetypes {
2560	load_resource_file "$DATADIR/archetypes"	3290	load_resource_file "$DATADIR/archetypes"
2561	or die "unable to load archetypes\n";	3291	or die "unable to load archetypes\n";
		3292	#d# NEED to laod twice to resolve forward references
		3293	# this really needs to be done in an extra post-pass
		3294	# (which needs to be synchronous, so solve it differently)
		3295	load_resource_file "$DATADIR/archetypes"
		3296	or die "unable to load archetypes\n";
2562	}	3297	}
2563		3298
2564	sub reload_treasures {	3299	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3300	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3301	or die "unable to load treasurelists\n";
…		…
2569	sub reload_resources {	3304	sub reload_resources {
2570	warn "reloading resource files...\n";	3305	warn "reloading resource files...\n";
2571		3306
2572	reload_regions;	3307	reload_regions;
2573	reload_facedata;	3308	reload_facedata;
		3309	#reload_archetypes;#d#
2574	reload_archetypes;	3310	reload_archetypes;
2575	reload_treasures;	3311	reload_treasures;
2576		3312
2577	warn "finished reloading resource files\n";	3313	warn "finished reloading resource files\n";
2578	}	3314	}
2579		3315
2580	sub init {	3316	sub init {
2581	reload_resources;	3317	reload_resources;
2582	}	3318	}
2583		3319
2584	sub cfg_load {	3320	sub reload_config {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3321	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3322	or return;
2587		3323
2588	local $/;	3324	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3325	*CFG = YAML::Load <$fh>;
2590		3326
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3327	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592		3328
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3329	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3330	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2605	sub main {	3341	sub main {
2606	# we must not ever block the main coroutine	3342	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3343	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3344	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3345	(async {
2610	Event::one_event;	3346	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3347	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3348	})->prio (Coro::PRIO_MAX);
2612	};	3349	};
2613		3350
2614	cfg_load;	3351	reload_config;
2615	db_init;	3352	db_init;
2616	load_extensions;	3353	load_extensions;
2617		3354
2618	$TICK_WATCHER->start;	3355	$TICK_WATCHER->start;
		3356	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2619	Event::loop;	3357	EV::loop;
2620	}	3358	}
2621		3359
2622	#############################################################################	3360	#############################################################################
2623	# initialisation and cleanup	3361	# initialisation and cleanup
2624		3362
2625	# install some emergency cleanup handlers	3363	# install some emergency cleanup handlers
2626	BEGIN {	3364	BEGIN {
		3365	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3366	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3367	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3368	cf::cleanup "SIG$signal";
2635	},
2636	);	3369	};
		3370	}
		3371	}
		3372
		3373	sub write_runtime {
		3374	my $runtime = "$LOCALDIR/runtime";
		3375
		3376	# first touch the runtime file to show we are still running:
		3377	# the fsync below can take a very very long time.
		3378
		3379	IO::AIO::aio_utime $runtime, undef, undef;
		3380
		3381	my $guard = cf::lock_acquire "write_runtime";
		3382
		3383	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3384	or return;
		3385
		3386	my $value = $cf::RUNTIME + 90 + 10;
		3387	# 10 is the runtime save interval, for a monotonic clock
		3388	# 60 allows for the watchdog to kill the server.
		3389
		3390	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3391	and return;
		3392
		3393	# always fsync - this file is important
		3394	aio_fsync $fh
		3395	and return;
		3396
		3397	# touch it again to show we are up-to-date
		3398	aio_utime $fh, undef, undef;
		3399
		3400	close $fh
		3401	or return;
		3402
		3403	aio_rename "$runtime~", $runtime
		3404	and return;
		3405
		3406	warn "runtime file written.\n";
		3407
2637	}	3408	1
2638	}	3409	}
2639		3410
2640	sub emergency_save() {	3411	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3412	my $freeze_guard = cf::freeze_mainloop;
2642		3413
…		…
2648	# and maps saved/destroyed asynchronously.	3419	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3420	warn "begin emergency player save\n";
2650	for my $login (keys %cf::PLAYER) {	3421	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3422	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3423	$pl->valid or next;
		3424	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3425	$pl->save;
2654	}	3426	}
2655	warn "end emergency player save\n";	3427	warn "end emergency player save\n";
2656		3428
2657	warn "begin emergency map save\n";	3429	warn "begin emergency map save\n";
…		…
2696	warn "syncing database to disk";	3468	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3469	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3470
2699	# if anything goes wrong in here, we should simply crash as we already saved	3471	# if anything goes wrong in here, we should simply crash as we already saved
2700		3472
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";	3473	warn "flushing outstanding aio requests";
2707	for (;;) {	3474	for (;;) {
2708	BDB::flush;	3475	BDB::flush;
2709	IO::AIO::flush;	3476	IO::AIO::flush;
2710	Coro::cede;	3477	Coro::cede_notself;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3478	last unless IO::AIO::nreqs || BDB::nreqs;
2712	warn "iterate...";	3479	warn "iterate...";
2713	}	3480	}
2714		3481
2715	++$RELOAD;	3482	++$RELOAD;
…		…
2719	%EXT_CORO = ();	3486	%EXT_CORO = ();
2720		3487
2721	warn "removing commands";	3488	warn "removing commands";
2722	%COMMAND = ();	3489	%COMMAND = ();
2723		3490
2724	warn "removing ext commands";	3491	warn "removing ext/exti commands";
2725	%EXTCMD = ();	3492	%EXTCMD = ();
		3493	%EXTICMD = ();
2726		3494
2727	warn "unloading/nuking all extensions";	3495	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3496	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3497	warn "... unloading $pkg";
2730		3498
…		…
2773	warn "reloading cf.pm";	3541	warn "reloading cf.pm";
2774	require cf;	3542	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3543	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3544
2777	warn "loading config and database again";	3545	warn "loading config and database again";
2778	cf::cfg_load;	3546	cf::reload_config;
2779		3547
2780	warn "loading extensions";	3548	warn "loading extensions";
2781	cf::load_extensions;	3549	cf::load_extensions;
2782		3550
2783	warn "reattaching attachments to objects/players";	3551	warn "reattaching attachments to objects/players";
…		…
2803		3571
2804	sub reload_perl() {	3572	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3573	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3574	# coro crashes during coro_state_free->destroy here.
2807		3575
2808	$RELOAD_WATCHER ||= Event->timer (	3576	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2809	reentrant => 0,
2810	after => 0,
2811	data => WF_AUTOCANCEL,
2812	cb => sub {
2813	do_reload_perl;	3577	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3578	undef $RELOAD_WATCHER;
2815	},
2816	);	3579	};
2817	}	3580	}
2818		3581
2819	register_command "reload" => sub {	3582	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3583	my ($who, $arg) = @_;
2821		3584
2822	if ($who->flag (FLAG_WIZ)) {	3585	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3586	$who->message ("reloading server.");
		3587	async {
		3588	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3589	reload_perl;
		3590	};
2825	}	3591	}
2826	};	3592	};
2827		3593
2828	unshift @INC, $LIBDIR;	3594	unshift @INC, $LIBDIR;
2829		3595
…		…
2848	my $signal = new Coro::Signal;	3614	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3615	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3616	$signal->wait;
2851	}	3617	}
2852		3618
2853	$TICK_WATCHER = Event->timer (	3619	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3621	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	3622	unless ++$bug_warning > 10;
2863	return;	3623	return;
2864	}	3624	}
2865		3625
2866	$NOW = $tick_start = Event::time;	3626	$NOW = $tick_start = EV::now;
2867		3627
2868	cf::server_tick; # one server iteration	3628	cf::server_tick; # one server iteration
2869		3629
2870	$RUNTIME += $TICK;	3630	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;	3631	$NEXT_TICK = $_[0]->at;
2872		3632
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3633	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3634	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3635	Coro::async_pool {
		3636	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3637	write_runtime
2877	or warn "ERROR: unable to write runtime file: $!";	3638	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3639	};
		3640	}
2880		3641
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3642	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3643	$sig->send;
2886	}	3644	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3645	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3646	$sig->send;
2889	}	3647	}
2890		3648
2891	$NOW = Event::time;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;	3649	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3650	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3651
2902	_post_tick;	3652	_post_tick;
2903		3653	};
2904		3654	$TICK_WATCHER->priority (EV::MAXPRI);
2905	},
2906	);
2907		3655
2908	{	3656	{
2909	BDB::max_poll_time $TICK * 0.1;	3657	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	3658
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	3659	BDB::min_parallel 8;
2919		3660	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	3661	$Coro::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		3662
2935	unless ($DB_ENV) {	3663	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	3664	$DB_ENV = BDB::db_env_create;
		3665	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3666	| BDB::LOG_AUTOREMOVE, 1);
		3667	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3668	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		3669
2938	cf::sync_job {	3670	cf::sync_job {
2939	eval {	3671	eval {
2940	BDB::db_env_open	3672	BDB::db_env_open
2941	$DB_ENV,	3673	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3675	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3676	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3677	0666;
2946		3678
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3679	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	3680	};
2952		3681
2953	cf::cleanup "db_env_open(db): $@" if $@;	3682	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3683	};
2955	}	3684	}
		3685
		3686	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3687	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3688	};
		3689	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3690	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3691	};
		3692	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3693	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3694	};
2956	}	3695	}
2957		3696
2958	{	3697	{
		3698	# configure IO::AIO
		3699
2959	IO::AIO::min_parallel 8;	3700	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	3701	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	3702	$Coro::AIO::WATCHER->priority (1);
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	3703	}
2972		3704
2973	my $_log_backtrace;	3705	my $_log_backtrace;
2974		3706
2975	sub _log_backtrace {	3707	sub _log_backtrace {
…		…
2979		3711
2980	# limit the # of concurrent backtraces	3712	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3713	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3714	++$_log_backtrace;
2983	async {	3715	async {
		3716	$Coro::current->{desc} = "abt $msg";
		3717
2984	my @bt = fork_call {	3718	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3719	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3720	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3721	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3722	or die "addr2line: $!";

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