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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.408 by root, Mon Jan 14 10:12:12 2008 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;	9	use EV 1.86;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
		27	use JSON::XS 2.01 ();
25	use BDB ();	28	use BDB ();
26	use Data::Dumper;	29	use Data::Dumper;
27	use Digest::MD5;	30	use Digest::MD5;
28	use Fcntl;	31	use Fcntl;
29	use YAML::Syck ();	32	use YAML ();
30	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
31	use Time::HiRes;	34	use Time::HiRes;
32	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
33		37
34	# configure various modules to our taste	38	# configure various modules to our taste
35	#	39	#
36	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		43
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		45
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		47
49	our %COMMAND = ();	48	our %COMMAND = ();
50	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
51		50
52	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
56		56
57	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
58	our @EVENT;	58	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	69	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	70	our $BDBDIR = "$LOCALDIR/db";
		71	our %RESOURCE;
71		72
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;	74	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	77	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		79
80	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	84	our $DB_ENV;
82		85
83	our %CFG;	86	our %CFG;
84		87
85	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
87		91
88	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
91		95
92	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		98
…		…
155		159
156	The raw value load value from the last tick.	160	The raw value load value from the last tick.
157		161
158	=item %cf::CFG	162	=item %cf::CFG
159		163
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	165	from wherever your confdir points to.
162		166
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		168
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
		178
169	=back	179	=back
170		180
171	=cut	181	=cut
172		182
173	BEGIN {	183	BEGIN {
…		…
177	$msg .= "\n"	187	$msg .= "\n"
178	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
179		189
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		191
182	utf8::encode $msg;
183	LOG llevError, $msg;	192	LOG llevError, $msg;
184	};	193	};
185	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	warn Carp::longmess $_[0];
		198	Coro::terminate;
		199	};
186		200
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	204	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
203	)) {	217	)) {
204	no strict 'refs';	218	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	220	}
207		221
208	$Event::DIED = sub {	222	$EV::DIED = sub {
209	warn "error in event callback: @_";	223	warn "error in event callback: @_";
210	};	224	};
		225
		226	#############################################################################
211		227
212	=head2 UTILITY FUNCTIONS	228	=head2 UTILITY FUNCTIONS
213		229
214	=over 4	230	=over 4
215		231
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	250	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	251	$d
236	} || "[unable to dump $_[0]: '$@']";	252	} || "[unable to dump $_[0]: '$@']";
237	}	253	}
238		254
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	255	=item $ref = cf::decode_json $json
242		256
243	Converts a JSON string into the corresponding perl data structure.	257	Converts a JSON string into the corresponding perl data structure.
244		258
245	=item $json = cf::to_json $ref	259	=item $json = cf::encode_json $ref
246		260
247	Converts a perl data structure into its JSON representation.	261	Converts a perl data structure into its JSON representation.
		262
		263	=cut
		264
		265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		266
		267	sub encode_json($) { $json_coder->encode ($_[0]) }
		268	sub decode_json($) { $json_coder->decode ($_[0]) }
248		269
249	=item cf::lock_wait $string	270	=item cf::lock_wait $string
250		271
251	Wait until the given lock is available. See cf::lock_acquire.	272	Wait until the given lock is available. See cf::lock_acquire.
252		273
…		…
255	Wait until the given lock is available and then acquires it and returns	276	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	277	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	278	for example when the coroutine gets canceled), the lock is automatically
258	returned.	279	returned.
259		280
		281	Locks are *not* recursive, locking from the same coro twice results in a
		282	deadlocked coro.
		283
260	Lock names should begin with a unique identifier (for example, cf::map::find	284	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	285	uses map_find and cf::map::load uses map_load).
262		286
263	=item $locked = cf::lock_active $string	287	=item $locked = cf::lock_active $string
264		288
265	Return true if the lock is currently active, i.e. somebody has locked it.	289	Return true if the lock is currently active, i.e. somebody has locked it.
266		290
267	=cut	291	=cut
268		292
269	our %LOCK;	293	our %LOCK;
		294	our %LOCKER;#d#
270		295
271	sub lock_wait($) {	296	sub lock_wait($) {
272	my ($key) = @_;	297	my ($key) = @_;
		298
		299	if ($LOCKER{$key} == $Coro::current) {#d#
		300	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		301	return;#d#
		302	}#d#
273		303
274	# wait for lock, if any	304	# wait for lock, if any
275	while ($LOCK{$key}) {	305	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	306	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	307	Coro::schedule;
…		…
283		313
284	# wait, to be sure we are not locked	314	# wait, to be sure we are not locked
285	lock_wait $key;	315	lock_wait $key;
286		316
287	$LOCK{$key} = [];	317	$LOCK{$key} = [];
		318	$LOCKER{$key} = $Coro::current;#d#
288		319
289	Coro::guard {	320	Coro::guard {
		321	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	322	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	323	$_->ready for @{ delete $LOCK{$key} };
292	}	324	}
293	}	325	}
294		326
…		…
306	};	338	};
307	$TICK_WATCHER->stop;	339	$TICK_WATCHER->stop;
308	$guard	340	$guard
309	}	341	}
310		342
		343	=item cf::periodic $interval, $cb
		344
		345	Like EV::periodic, but randomly selects a starting point so that the actions
		346	get spread over timer.
		347
		348	=cut
		349
		350	sub periodic($$) {
		351	my ($interval, $cb) = @_;
		352
		353	my $start = rand List::Util::min 180, $interval;
		354
		355	EV::periodic $start, $interval, 0, $cb
		356	}
		357
		358	=item cf::get_slot $time[, $priority[, $name]]
		359
		360	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		361	This call blocks and returns only when you have at least C<$time> seconds
		362	of cpu time till the next tick. The slot is only valid till the next cede.
		363
		364	The optional C<$name> can be used to identify the job to run. It might be
		365	used for statistical purposes and should identify the same time-class.
		366
		367	Useful for short background jobs.
		368
		369	=cut
		370
		371	our @SLOT_QUEUE;
		372	our $SLOT_QUEUE;
		373
		374	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		375	$SLOT_QUEUE = Coro::async {
		376	$Coro::current->desc ("timeslot manager");
		377
		378	my $signal = new Coro::Signal;
		379
		380	while () {
		381	next_job:
		382	my $avail = cf::till_tick;
		383	if ($avail > 0.01) {
		384	for (0 .. $#SLOT_QUEUE) {
		385	if ($SLOT_QUEUE[$_][0] < $avail) {
		386	my $job = splice @SLOT_QUEUE, $_, 1, ();
		387	$job->[2]->send;
		388	Coro::cede;
		389	goto next_job;
		390	}
		391	}
		392	}
		393
		394	if (@SLOT_QUEUE) {
		395	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		396	push @cf::WAIT_FOR_TICK, $signal;
		397	$signal->wait;
		398	} else {
		399	Coro::schedule;
		400	}
		401	}
		402	};
		403
		404	sub get_slot($;$$) {
		405	my ($time, $pri, $name) = @_;
		406
		407	$time = $TICK * .6 if $time > $TICK * .6;
		408	my $sig = new Coro::Signal;
		409
		410	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		411	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		412	$SLOT_QUEUE->ready;
		413	$sig->wait;
		414	}
		415
311	=item cf::async { BLOCK }	416	=item cf::async { BLOCK }
312		417
313	Currently the same as Coro::async_pool, meaning you cannot use	418	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	419	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	420	thing you are allowed to do is call C<prio> on it.
…		…
318		423
319	BEGIN { *async = \&Coro::async_pool }	424	BEGIN { *async = \&Coro::async_pool }
320		425
321	=item cf::sync_job { BLOCK }	426	=item cf::sync_job { BLOCK }
322		427
323	The design of crossfire+ requires that the main coro ($Coro::main) is	428	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	429	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	430	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		431	acceptable.
326		432
327	If it must be done, put the blocking parts into C<sync_job>. This will run	433	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	434	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	435	server will be frozen during this time, so the block should either finish
330	fast or be very important.	436	fast or be very important.
…		…
333		439
334	sub sync_job(&) {	440	sub sync_job(&) {
335	my ($job) = @_;	441	my ($job) = @_;
336		442
337	if ($Coro::current == $Coro::main) {	443	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	444	my $time = EV::time;
339		445
340	# this is the main coro, too bad, we have to block	446	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	447	# till the operation succeeds, freezing the server :/
342		448
		449	LOG llevError, Carp::longmess "sync job";#d#
		450
343	# TODO: use suspend/resume instead	451	# TODO: use suspend/resume instead
344	# (but this is cancel-safe)	452	# (but this is cancel-safe)
345	my $freeze_guard = freeze_mainloop;	453	my $freeze_guard = freeze_mainloop;
346		454
347	my $busy = 1;	455	my $busy = 1;
348	my @res;	456	my @res;
349		457
350	(async {	458	(async {
		459	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	460	@res = eval { $job->() };
352	warn $@ if $@;	461	warn $@ if $@;
353	undef $busy;	462	undef $busy;
354	})->prio (Coro::PRIO_MAX);	463	})->prio (Coro::PRIO_MAX);
355		464
356	while ($busy) {	465	while ($busy) {
357	Coro::cede or Event::one_event;	466	if (Coro::nready) {
		467	Coro::cede_notself;
		468	} else {
		469	EV::loop EV::LOOP_ONESHOT;
358	}	470	}
		471	}
359		472
360	$time = Event::time - $time;	473	$time = EV::time - $time;
361		474
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"	475	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	476	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364		477
365	$tick_start += $time; # do not account sync jobs to server load	478	$tick_start += $time; # do not account sync jobs to server load
…		…
390	$EXT_CORO{$coro+0} = $coro;	503	$EXT_CORO{$coro+0} = $coro;
391		504
392	$coro	505	$coro
393	}	506	}
394		507
395	sub write_runtime {	508	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		509
398	# first touch the runtime file to show we are still running:	510	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	511	process, returning the results. Everything must be serialisable with
		512	Coro::Storable. May, of course, block. Note that the executed sub may
		513	never block itself or use any form of event handling.
400		514
401	IO::AIO::aio_utime $runtime, undef, undef;	515	=cut
402		516
403	my $guard = cf::lock_acquire "write_runtime";	517	sub fork_call(&@) {
		518	my ($cb, @args) = @_;
404		519
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	520	# we seemingly have to make a local copy of the whole thing,
406	or return;	521	# otherwise perl prematurely frees the stuff :/
		522	# TODO: investigate and fix (likely this will be rather laborious)
407		523
408	my $value = $cf::RUNTIME + 90 + 10;	524	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	525	reset_signals;
410	# 60 allows for the watchdog to kill the server.	526	&$cb
		527	}, @args;
411		528
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	529	wantarray ? @res : $res[-1]
413	and return;	530	}
414		531
415	# always fsync - this file is important	532	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		533
419	# touch it again to show we are up-to-date	534	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		535
422	close $fh	536	=item cf::db_put $family => $key => $value
423	or return;
424		537
425	aio_rename "$runtime~", $runtime	538	Stores the given C<$value> in the family. It can currently store binary
426	and return;	539	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		540
428	warn "runtime file written.\n";	541	=item $db = cf::db_table "name"
429		542
		543	Create and/or open a new database table. The string must not be "db" and must be unique
		544	within each server.
		545
		546	=cut
		547
		548	sub db_table($) {
		549	my ($name) = @_;
		550	my $db = BDB::db_create $DB_ENV;
		551
		552	eval {
		553	$db->set_flags (BDB::CHKSUM);
		554
		555	utf8::encode $name;
		556	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		557	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		558	cf::cleanup "db_open(db): $!" if $!;
		559	};
		560	cf::cleanup "db_open(db): $@" if $@;
		561
		562	$db
		563	}
		564
		565	our $DB;
		566
		567	sub db_init {
		568	cf::sync_job {
		569	$DB ||= db_table "db";
		570	};
		571	}
		572
		573	sub db_get($$) {
		574	my $key = "$_[0]/$_[1]";
		575
		576	cf::sync_job {
		577	BDB::db_get $DB, undef, $key, my $data;
		578
		579	$! ? ()
		580	: $data
430	1	581	}
		582	}
		583
		584	sub db_put($$$) {
		585	BDB::dbreq_pri 4;
		586	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		587	}
		588
		589	=item cf::cache $id => [$paths...], $processversion => $process
		590
		591	Generic caching function that returns the value of the resource $id,
		592	caching and regenerating as required.
		593
		594	This function can block.
		595
		596	=cut
		597
		598	sub cache {
		599	my ($id, $src, $processversion, $process) = @_;
		600
		601	my $meta =
		602	join "\x00",
		603	$processversion,
		604	map {
		605	aio_stat $_
		606	and Carp::croak "$_: $!";
		607
		608	($_, (stat _)[7,9])
		609	} @$src;
		610
		611	my $dbmeta = db_get cache => "$id/meta";
		612	if ($dbmeta ne $meta) {
		613	# changed, we may need to process
		614
		615	my @data;
		616	my $md5;
		617
		618	for (0 .. $#$src) {
		619	0 <= aio_load $src->[$_], $data[$_]
		620	or Carp::croak "$src->[$_]: $!";
		621	}
		622
		623	# if processing is expensive, check
		624	# checksum first
		625	if (1) {
		626	$md5 =
		627	join "\x00",
		628	$processversion,
		629	map {
		630	cf::cede_to_tick;
		631	($src->[$_], Digest::MD5::md5_hex $data[$_])
		632	} 0.. $#$src;
		633
		634
		635	my $dbmd5 = db_get cache => "$id/md5";
		636	if ($dbmd5 eq $md5) {
		637	db_put cache => "$id/meta", $meta;
		638
		639	return db_get cache => "$id/data";
		640	}
		641	}
		642
		643	my $t1 = Time::HiRes::time;
		644	my $data = $process->(\@data);
		645	my $t2 = Time::HiRes::time;
		646
		647	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		648
		649	db_put cache => "$id/data", $data;
		650	db_put cache => "$id/md5" , $md5;
		651	db_put cache => "$id/meta", $meta;
		652
		653	return $data;
		654	}
		655
		656	db_get cache => "$id/data"
431	}	657	}
432		658
433	=item cf::datalog type => key => value, ...	659	=item cf::datalog type => key => value, ...
434		660
435	Log a datalog packet of the given type with the given key-value pairs.	661	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	679	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	680	to it. All such attachable objects support the following methods.
455		681
456	In the following description, CLASS can be any of C<global>, C<object>	682	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	683	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	684	Deliantra).
459		685
460	=over 4	686	=over 4
461		687
462	=item $attachable->attach ($attachment, key => $value...)	688	=item $attachable->attach ($attachment, key => $value...)
463		689
…		…
665	_attach $registry, $klass, @attach;	891	_attach $registry, $klass, @attach;
666	}	892	}
667		893
668	$obj->{$name} = \%arg;	894	$obj->{$name} = \%arg;
669	} else {	895	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	896	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	897	}
672		898
673	$obj->{_attachment}{$name} = undef;	899	$obj->{_attachment}{$name} = undef;
674	}	900	}
675		901
…		…
715	";	941	";
716	die if $@;	942	die if $@;
717	}	943	}
718		944
719	our $override;	945	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	946	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		947
722	sub override {	948	sub override {
723	$override = 1;	949	$override = 1;
724	@invoke_results = ();	950	@INVOKE_RESULTS = (@_);
725	}	951	}
726		952
727	sub do_invoke {	953	sub do_invoke {
728	my $event = shift;	954	my $event = shift;
729	my $callbacks = shift;	955	my $callbacks = shift;
730		956
731	@invoke_results = ();	957	@INVOKE_RESULTS = ();
732		958
733	local $override;	959	local $override;
734		960
735	for (@$callbacks) {	961	for (@$callbacks) {
736	eval { &{$_->[1]} };	962	eval { &{$_->[1]} };
…		…
745	}	971	}
746		972
747	0	973	0
748	}	974	}
749		975
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		977
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	978	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		979
754	Generate an object-specific event with the given arguments.	980	Generate an object-specific event with the given arguments.
755		981
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	982	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	983	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	984	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		985
760	=back	986	=back
761		987
762	=cut	988	=cut
763		989
764	#############################################################################	990	#############################################################################
765	# object support	991	# object support
		992
		993	sub _object_equal($$);
		994	sub _object_equal($$) {
		995	my ($a, $b) = @_;
		996
		997	return 0 unless (ref $a) eq (ref $b);
		998
		999	if ("HASH" eq ref $a) {
		1000	my @ka = keys %$a;
		1001	my @kb = keys %$b;
		1002
		1003	return 0 if @ka != @kb;
		1004
		1005	for (0 .. $#ka) {
		1006	return 0 unless $ka[$_] eq $kb[$_];
		1007	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1008	}
		1009
		1010	} elsif ("ARRAY" eq ref $a) {
		1011
		1012	return 0 if @$a != @$b;
		1013
		1014	for (0 .. $#$a) {
		1015	return 0 unless _object_equal $a->[$_], $b->[$_];
		1016	}
		1017
		1018	} elsif ($a ne $b) {
		1019	return 0;
		1020	}
		1021
		1022	1
		1023	}
		1024
		1025	our $SLOW_MERGES;#d#
		1026	sub _can_merge {
		1027	my ($ob1, $ob2) = @_;
		1028
		1029	++$SLOW_MERGES;#d#
		1030
		1031	# we do the slow way here
		1032	return _object_equal $ob1, $ob2
		1033	}
766		1034
767	sub reattach {	1035	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1036	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1037	my ($obj) = @_;
770		1038
…		…
791	cf::attachable->attach (	1059	cf::attachable->attach (
792	prio => -1000000,	1060	prio => -1000000,
793	on_instantiate => sub {	1061	on_instantiate => sub {
794	my ($obj, $data) = @_;	1062	my ($obj, $data) = @_;
795		1063
796	$data = from_json $data;	1064	$data = decode_json $data;
797		1065
798	for (@$data) {	1066	for (@$data) {
799	my ($name, $args) = @$_;	1067	my ($name, $args) = @$_;
800		1068
801	$obj->attach ($name, %{$args || {} });	1069	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1085	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1086	my ($filename, $rdata, $objs) = @_;
819		1087
820	sync_job {	1088	sync_job {
821	if (length $$rdata) {	1089	if (length $$rdata) {
		1090	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1091	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1092	$decname, length $$rdata, scalar @$objs;
824		1093
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1095	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1097	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1098	close $fh;
830		1099
831	if (@$objs) {	1100	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1101	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1102	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1104	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1105	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1106	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1107	aio_rename "$filename.pst~", "$filename.pst";
839	}	1108	}
…		…
847	}	1116	}
848	} else {	1117	} else {
849	aio_unlink $filename;	1118	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1119	aio_unlink "$filename.pst";
851	}	1120	}
852	}	1121	};
853	}	1122	}
854		1123
855	sub object_freezer_as_string {	1124	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1125	my ($rdata, $objs) = @_;
857		1126
…		…
869	or return;	1138	or return;
870		1139
871	unless (aio_stat "$filename.pst") {	1140	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1141	(aio_load "$filename.pst", $av) >= 0
873	or return;	1142	or return;
		1143
874	$av = eval { (Storable::thaw $av)->{objs} };	1144	my $st = eval { Coro::Storable::thaw $av };
		1145	$av = $st->{objs};
875	}	1146	}
876		1147
		1148	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1149	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1150	$decname, length $data, scalar @{$av || []};
		1151
879	return ($data, $av);	1152	($data, $av)
880	}	1153	}
		1154
		1155	=head2 COMMAND CALLBACKS
		1156
		1157	=over 4
		1158
		1159	=cut
881		1160
882	#############################################################################	1161	#############################################################################
883	# command handling &c	1162	# command handling &c
884		1163
885	=item cf::register_command $name => \&callback($ob,$args);	1164	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1177	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1178	}
900		1179
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1180	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1181
903	Register a callbackf ro execution when the client sends an extcmd packet.	1182	Register a callback for execution when the client sends an (synchronous)
		1183	extcmd packet. Ext commands will be processed in the order they are
		1184	received by the server, like other user commands. The first argument is
		1185	the logged-in player. Ext commands can only be processed after a player
		1186	has logged in successfully.
904		1187
905	If the callback returns something, it is sent back as if reply was being	1188	If the callback returns something, it is sent back as if reply was being
906	called.	1189	called.
907		1190
		1191	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1192
		1193	Register a callback for execution when the client sends an (asynchronous)
		1194	exticmd packet. Exti commands are processed by the server as soon as they
		1195	are received, i.e. out of order w.r.t. other commands. The first argument
		1196	is a client socket. Exti commands can be received anytime, even before
		1197	log-in.
		1198
		1199	If the callback returns something, it is sent back as if reply was being
		1200	called.
		1201
908	=cut	1202	=cut
909		1203
910	sub register_extcmd {	1204	sub register_extcmd {
911	my ($name, $cb) = @_;	1205	my ($name, $cb) = @_;
912		1206
913	$EXTCMD{$name} = $cb;	1207	$EXTCMD{$name} = $cb;
		1208	}
		1209
		1210	sub register_exticmd {
		1211	my ($name, $cb) = @_;
		1212
		1213	$EXTICMD{$name} = $cb;
914	}	1214	}
915		1215
916	cf::player->attach (	1216	cf::player->attach (
917	on_command => sub {	1217	on_command => sub {
918	my ($pl, $name, $params) = @_;	1218	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1227	cf::override;
928	},	1228	},
929	on_extcmd => sub {	1229	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1230	my ($pl, $buf) = @_;
931		1231
932	my $msg = eval { from_json $buf };	1232	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1233
934	if (ref $msg) {	1234	if (ref $msg) {
		1235	my ($type, $reply, @payload) =
		1236	"ARRAY" eq ref $msg
		1237	? @$msg
		1238	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1239
		1240	my @reply;
		1241
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1242	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1243	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1244	}
		1245
		1246	$pl->ext_reply ($reply, @reply)
		1247	if $reply;
		1248
940	} else {	1249	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1251	}
943		1252
944	cf::override;	1253	cf::override;
…		…
967	path => $path,	1276	path => $path,
968	base => $base,	1277	base => $base,
969	pkg => $pkg,	1278	pkg => $pkg,
970	);	1279	);
971		1280
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1283
975	$ext{source} =	1284	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1285	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1286	. "#line 1 \"$path\"\n{\n"
978	. $source	1287	. $source
…		…
984	my %done;	1293	my %done;
985	while (%todo) {	1294	while (%todo) {
986	my $progress;	1295	my $progress;
987		1296
988	while (my ($k, $v) = each %todo) {	1297	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1298	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1299	goto skip
991	unless exists $done{$_};	1300	unless exists $done{$_};
992	}	1301	}
993		1302
994	warn "... loading '$k' into '$v->{pkg}'\n";	1303	warn "... loading '$k' into '$v->{pkg}'\n";
995		1304
996	unless (eval $v->{source}) {	1305	unless (eval $v->{source}) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1306	my $msg = $@ ? "$v->{path}: $@\n"
998	: "extension disabled.\n";	1307	: "$v->{base}: extension inactive.\n";
999		1308
1000	if (exists $v->{meta}{mandatory}) {	1309	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1310	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1311	warn "mandatory extension failed to load, exiting.\n";
1003	exit 1;	1312	exit 1;
1004	}	1313	}
1005		1314
1006	die $msg;	1315	warn $msg;
1007	}	1316	}
1008		1317
1009	$done{$k} = delete $todo{$k};	1318	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};	1319	push @EXTS, $v->{pkg};
		1320	$progress = 1;
1011	}	1321	}
1012		1322
1013	skip:	1323	skip:
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015	unless $progress;	1325	unless $progress;
…		…
1017	};	1327	};
1018	}	1328	}
1019		1329
1020	#############################################################################	1330	#############################################################################
1021		1331
		1332	=back
		1333
1022	=head2 CORE EXTENSIONS	1334	=head2 CORE EXTENSIONS
1023		1335
1024	Functions and methods that extend core crossfire objects.	1336	Functions and methods that extend core crossfire objects.
1025		1337
1026	=cut	1338	=cut
…		…
1030	use Coro::AIO;	1342	use Coro::AIO;
1031		1343
1032	=head3 cf::player	1344	=head3 cf::player
1033		1345
1034	=over 4	1346	=over 4
		1347
		1348	=item cf::player::num_playing
		1349
		1350	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1351
		1352	=cut
		1353
		1354	sub num_playing {
		1355	scalar grep
		1356	$_->ob->map
		1357	&& !$_->hidden
		1358	&& !$_->ob->flag (cf::FLAG_WIZ),
		1359	cf::player::list
		1360	}
1035		1361
1036	=item cf::player::find $login	1362	=item cf::player::find $login
1037		1363
1038	Returns the given player object, loading it if necessary (might block).	1364	Returns the given player object, loading it if necessary (might block).
1039		1365
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1401	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1402	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1403	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1404	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1405
1080	my $pl = load_pl path $login	1406	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1407	or return;
		1408
		1409	my $pl = cf::player::load_pl $f
		1410	or return;
		1411	local $cf::PLAYER_LOADING{$login} = $pl;
		1412	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1413	$cf::PLAYER{$login} = $pl
1083	}	1414	}
1084	}	1415	}
1085	}	1416	}
1086		1417
…		…
1096		1427
1097	aio_mkdir playerdir $pl, 0770;	1428	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1429	$pl->{last_save} = $cf::RUNTIME;
1099		1430
1100	$pl->save_pl ($path);	1431	$pl->save_pl ($path);
1101	Coro::cede;	1432	cf::cede_to_tick;
1102	}	1433	}
1103		1434
1104	sub new($) {	1435	sub new($) {
1105	my ($login) = @_;	1436	my ($login) = @_;
1106		1437
…		…
1110	$self->{deny_save} = 1;	1441	$self->{deny_save} = 1;
1111		1442
1112	$cf::PLAYER{$login} = $self;	1443	$cf::PLAYER{$login} = $self;
1113		1444
1114	$self	1445	$self
		1446	}
		1447
		1448	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1449
		1450	=cut
		1451
		1452	sub send_msg {
		1453	my $ns = shift->ns
		1454	or return;
		1455	$ns->send_msg (@_);
1115	}	1456	}
1116		1457
1117	=item $pl->quit_character	1458	=item $pl->quit_character
1118		1459
1119	Nukes the player without looking back. If logged in, the connection will	1460	Nukes the player without looking back. If logged in, the connection will
…		…
1174	or return [];	1515	or return [];
1175		1516
1176	my @logins;	1517	my @logins;
1177		1518
1178	for my $login (@$dirs) {	1519	for my $login (@$dirs) {
		1520	my $path = path $login;
		1521
		1522	# a .pst is a dead give-away for a valid player
		1523	unless (-e "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1525	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1526	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1527	}
1182		1528
1183	utf8::decode $login;	1529	utf8::decode $login;
1184	push @logins, $login;	1530	push @logins, $login;
1185	}	1531	}
1186		1532
…		…
1213	}	1559	}
1214		1560
1215	\@paths	1561	\@paths
1216	}	1562	}
1217		1563
		1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1565
		1566	Expand crossfire pod fragments into protocol xml.
		1567
		1568	=cut
		1569
		1570	use re 'eval';
		1571
		1572	my $group;
		1573	my $interior; $interior = qr{
		1574	# match a pod interior sequence sans C<< >>
		1575	(?:
		1576	\ (.*?)\ (?{ $group = $^N })
		1577	| < (??{$interior}) >
		1578	)
		1579	}x;
		1580
		1581	sub expand_cfpod {
		1582	my ($self, $pod) = @_;
		1583
		1584	my $xml;
		1585
		1586	while () {
		1587	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1588	$group = $1;
		1589
		1590	$group =~ s/&/&amp;/g;
		1591	$group =~ s/</&lt;/g;
		1592
		1593	$xml .= $group;
		1594	} elsif ($pod =~ m%\G
		1595	([BCGHITU])
		1596	<
		1597	(?:
		1598	([^<>]*) (?{ $group = $^N })
		1599	| < $interior >
		1600	)
		1601	>
		1602	%gcsx
		1603	) {
		1604	my ($code, $data) = ($1, $group);
		1605
		1606	if ($code eq "B") {
		1607	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1608	} elsif ($code eq "I") {
		1609	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1610	} elsif ($code eq "U") {
		1611	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1612	} elsif ($code eq "C") {
		1613	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1614	} elsif ($code eq "T") {
		1615	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1616	} elsif ($code eq "G") {
		1617	my ($male, $female) = split /\|/, $data;
		1618	$data = $self->gender ? $female : $male;
		1619	$xml .= expand_cfpod ($self, $data);
		1620	} elsif ($code eq "H") {
		1621	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1622	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1623	"")
		1624	[$self->{hintmode}];
		1625	} else {
		1626	$xml .= "error processing '$code($data)' directive";
		1627	}
		1628	} else {
		1629	if ($pod =~ /\G(.+)/) {
		1630	warn "parse error while expanding $pod (at $1)";
		1631	}
		1632	last;
		1633	}
		1634	}
		1635
		1636	for ($xml) {
		1637	# create single paragraphs (very hackish)
		1638	s/(?<=\S)\n(?=\w)/ /g;
		1639
		1640	# compress some whitespace
		1641	s/\s+\n/\n/g; # ws line-ends
		1642	s/\n\n+/\n/g; # double lines
		1643	s/^\n+//; # beginning lines
		1644	s/\n+$//; # ending lines
		1645	}
		1646
		1647	$xml
		1648	}
		1649
		1650	no re 'eval';
		1651
		1652	sub hintmode {
		1653	$_[0]{hintmode} = $_[1] if @_ > 1;
		1654	$_[0]{hintmode}
		1655	}
		1656
1218	=item $player->ext_reply ($msgid, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1219		1658
1220	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1221		1660
1222	=cut	1661	=cut
1223		1662
1224	sub ext_reply($$%) {	1663	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1226		1665
1227	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1667	}
1231		1668
1232	=item $player->ext_event ($type, %msg)	1669	=item $player->ext_msg ($type, @msg)
1233		1670
1234	Sends an ext event to the client.	1671	Sends an ext event to the client.
1235		1672
1236	=cut	1673	=cut
1237		1674
1238	sub ext_event($$%) {	1675	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1676	my ($self, $type, @msg) = @_;
1240		1677
1241	$self->ns->ext_event ($type, %msg);	1678	$self->ns->ext_msg ($type, @msg);
1242	}	1679	}
1243		1680
1244	=head3 cf::region	1681	=head3 cf::region
1245		1682
1246	=over 4	1683	=over 4
…		…
1249		1686
1250	package cf::region;	1687	package cf::region;
1251		1688
1252	=item cf::region::find_by_path $path	1689	=item cf::region::find_by_path $path
1253		1690
1254	Tries to decuce the probable region for a map knowing only its path.	1691	Tries to decuce the likely region for a map knowing only its path.
1255		1692
1256	=cut	1693	=cut
1257		1694
1258	sub find_by_path($) {	1695	sub find_by_path($) {
1259	my ($path) = @_;	1696	my ($path) = @_;
1260		1697
1261	my ($match, $specificity);	1698	my ($match, $specificity);
1262		1699
1263	for my $region (list) {	1700	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1701	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1702	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1703	if $region->specificity > $specificity;
1267	}	1704	}
1268	}	1705	}
1269		1706
…		…
1389	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1390	return $self;	1827	return $self;
1391	}	1828	}
1392	}	1829	}
1393		1830
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1832	()
1396	}	1833	}
1397		1834
1398	sub init {	1835	sub init {
1399	my ($self) = @_;	1836	my ($self) = @_;
…		…
1462		1899
1463	sub load_header_from($) {	1900	sub load_header_from($) {
1464	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1465		1902
1466	utf8::encode $path;	1903	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1472		1912
1473	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1474		1914
1475	1	1915	1
1476	}	1916	}
…		…
1530	sub find {	1970	sub find {
1531	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1532		1972
1533	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1534		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1536		1977
1537	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";	1979	my $guard1 = cf::lock_acquire "map_find:$path";
		1980	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1981
1539	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1540	or return;	1983	or return;
1541		1984
1542	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1543		1986
…		…
1545	or return;	1988	or return;
1546		1989
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard1;
		1994	undef $guard2;
1550	$map->reset;	1995	$map->reset;
1551	undef $guard;
1552	return find $path;	1996	return find $path;
1553	}	1997	}
1554		1998
1555	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1556	}	2000	}
…		…
1565	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1566		2010
1567	my $path = $self->{path};	2011	my $path = $self->{path};
1568		2012
1569	{	2013	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1571		2015
		2016	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2018
1574	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1575		2020
1576	$self->alloc;	2021	$self->alloc;
1577		2022
1578	$self->pre_load;	2023	$self->pre_load;
1579	Coro::cede;	2024	cf::cede_to_tick;
1580		2025
		2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2028	$self->_load_objects ($f)
1582	or return;	2029	or return;
1583		2030
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1585	if delete $self->{load_original};	2032	if delete $self->{load_original};
1586		2033
1587	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2035	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2038	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1592	}	2042	}
1593	}	2043	}
1594		2044
1595	Coro::cede;	2045	$f->resolve_delayed_derefs;
		2046
		2047	cf::cede_to_tick;
1596	# now do the right thing for maps	2048	# now do the right thing for maps
1597	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2051	unless $self->difficulty;
1600	Coro::cede;	2052	cf::cede_to_tick;
1601		2053
1602	unless ($self->{deny_activate}) {	2054	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2055	$self->decay_objects;
1604	$self->fix_auto_apply;	2056	$self->fix_auto_apply;
1605	$self->update_buttons;	2057	$self->update_buttons;
1606	Coro::cede;	2058	cf::cede_to_tick;
1607	$self->set_darkness_map;	2059	$self->set_darkness_map;
1608	Coro::cede;	2060	cf::cede_to_tick;
1609	$self->activate;	2061	$self->activate;
1610	}	2062	}
		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
1611		2066
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2067	$self->in_memory (cf::MAP_IN_MEMORY);
1613	}	2068	}
1614		2069
1615	$self->post_load;	2070	$self->post_load;
…		…
1626		2081
1627	$self	2082	$self
1628	}	2083	}
1629		2084
1630	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2086	sub load_neighbours {
1632	my ($map) = @_;	2087	my ($map) = @_;
1633		2088
1634	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1635		2090
1636	for (0 .. 3) {	2091	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1638	or next;	2093	or next;
1639	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1640	or next;	2095	or next;
1641	$neigh->load;	2096	$neigh->load;
1642		2097
		2098	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2101	}
1646		2102
1647	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1649	or next;	2106	or next;
1650	$neigh->load;	2107	$neigh->load;
1651	}	2108	}
1652	}	2109	}
1653		2110
…		…
1658	}	2115	}
1659		2116
1660	sub do_load_sync {	2117	sub do_load_sync {
1661	my ($map) = @_;	2118	my ($map) = @_;
1662		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1663	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1664	}	2124	}
1665		2125
1666	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1668		2128
1669	sub find_async {	2129	sub find_async {
1670	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1671		2131
1672	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1673		2133
1674	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1676	}	2136	}
1677		2137
1678	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1679	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1680	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2145	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2146	$map->load if $v;
		2147	}
1685		2148
1686	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1687	}	2150	}
1688	}	2151	}
1689	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1690	};	2153	};
1691	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2157	}
1695		2158
1696	sub save {	2159	sub save {
1697	my ($self) = @_;	2160	my ($self) = @_;
1698		2161
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2163
1701	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1702		2165
1703	return unless $self->dirty;	2166	return unless $self->dirty;
1704		2167
…		…
1710	return if $self->{deny_save};	2173	return if $self->{deny_save};
1711		2174
1712	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1713		2176
1714	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1716	};	2180	};
1717		2181
1718	if ($uniq) {	2182	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1727	my ($self) = @_;	2191	my ($self) = @_;
1728		2192
1729	# save first because save cedes	2193	# save first because save cedes
1730	$self->save;	2194	$self->save;
1731		2195
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2196	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2197
1734	return if $self->players;	2198	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2199	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};	2200	return if $self->{deny_save};
1737		2201
		2202	$self->in_memory (cf::MAP_SWAPPED);
		2203
		2204	$self->deactivate;
		2205	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2206	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2207	}
1741		2208
1742	sub reset_at {	2209	sub reset_at {
1743	my ($self) = @_;	2210	my ($self) = @_;
1744		2211
…		…
1776	if $uniq;	2243	if $uniq;
1777	}	2244	}
1778		2245
1779	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1780		2247
		2248	$self->deactivate;
		2249	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2250	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2251
1785	$self->unlink_save;	2252	$self->unlink_save;
1786	$self->destroy;	2253	$self->destroy;
1787	}	2254	}
1788		2255
1789	my $nuke_counter = "aaaa";	2256	my $nuke_counter = "aaaa";
1790		2257
1791	sub nuke {	2258	sub nuke {
1792	my ($self) = @_;	2259	my ($self) = @_;
1793		2260
		2261	{
		2262	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2263
1794	delete $cf::MAP{$self->path};	2264	delete $cf::MAP{$self->path};
1795		2265
1796	$self->unlink_save;	2266	$self->unlink_save;
1797		2267
1798	bless $self, "cf::map";	2268	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2269	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2270	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2271	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2273
1804	$cf::MAP{$self->path} = $self;	2274	$cf::MAP{$self->path} = $self;
		2275	}
1805		2276
1806	$self->reset; # polite request, might not happen	2277	$self->reset; # polite request, might not happen
1807	}	2278	}
1808		2279
1809	=item $maps = cf::map::tmp_maps	2280	=item $maps = cf::map::tmp_maps
…		…
1885		2356
1886	sub inv_recursive {	2357	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2358	inv_recursive_ inv $_[0]
1888	}	2359	}
1889		2360
		2361	=item $ref = $ob->ref
		2362
		2363	creates and returns a persistent reference to an objetc that can be stored as a string.
		2364
		2365	=item $ob = cf::object::deref ($refstring)
		2366
		2367	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2368	even if the object actually exists. May block.
		2369
		2370	=cut
		2371
		2372	sub deref {
		2373	my ($ref) = @_;
		2374
		2375	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2376	my ($uuid, $name) = ($1, $2);
		2377	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2378	or return;
		2379	$pl->ob->uuid eq $uuid
		2380	or return;
		2381
		2382	$pl->ob
		2383	} else {
		2384	warn "$ref: cannot resolve object reference\n";
		2385	undef
		2386	}
		2387	}
		2388
1890	package cf;	2389	package cf;
1891		2390
1892	=back	2391	=back
1893		2392
1894	=head3 cf::object::player	2393	=head3 cf::object::player
…		…
1911		2410
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2411	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2412
1914	if ($self->{record_replies}) {	2413	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2414	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2415
1916	} else {	2416	} else {
		2417	my $pl = $self->contr;
		2418
		2419	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2420	my $dialog = $pl->{npc_dialog};
		2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2422
		2423	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2424	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2425	$self->message ($msg, $flags);
		2426	}
1919	}	2427	}
		2428	}
		2429
		2430	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2431
		2432	=cut
		2433
		2434	sub cf::object::send_msg {
		2435	my $pl = shift->contr
		2436	or return;
		2437	$pl->send_msg (@_);
1920	}	2438	}
1921		2439
1922	=item $player_object->may ("access")	2440	=item $player_object->may ("access")
1923		2441
1924	Returns wether the given player is authorized to access resource "access"	2442	Returns wether the given player is authorized to access resource "access"
…		…
2003	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
2006		2524
2007	$map->load;	2525	$map->load;
2008	$map->load_diag;	2526	$map->load_neighbours;
2009		2527
2010	return unless $self->contr->active;	2528	return unless $self->contr->active;
2011	$self->activate_recursive;	2529	$self->activate_recursive;
2012		2530
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
2015	}	2533	}
2016		2534
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2536
2019	Moves the player to the given map-path and coordinates by first freezing	2537	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2538	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2539	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2540	the new (success) or old (failed) map position. In either case, $done will
		2541	be called at the end of this process.
2023		2542
2024	=cut	2543	=cut
2025		2544
2026	our $GOTOGEN;	2545	our $GOTOGEN;
2027		2546
2028	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2549
2031	# do generation counting so two concurrent goto's will be executed in-order	2550	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2552
2034	$self->enter_link;	2553	$self->enter_link;
2035		2554
2036	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
2037	my $map = eval {	2577	my $map = eval {
2038	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
2039		2579
2040	if ($map) {	2580	if ($map) {
2041	$map = $map->customise_for ($self);	2581	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2582	$map = $check->($map) if $check && $map;
2043	} else {	2583	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2585	}
2046		2586
2047	$map	2587	$map
2048	};	2588	};
2049		2589
…		…
2054		2594
2055	if ($gen == $self->{_goto_generation}) {	2595	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2596	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
2058	}	2598	}
		2599
		2600	$done->() if $done;
2059	})->prio (1);	2601	})->prio (1);
2060	}	2602	}
2061		2603
2062	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
2063		2605
…		…
2100	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
2101	}	2643	}
2102		2644
2103	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2104		2646
2105	my $data = cf::to_json $rmp;	2647	my $data = cf::encode_json $rmp;
2106	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2108		2650
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
…		…
2132	my $hp = $exit->stats->hp;	2674	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;	2675	my $sp = $exit->stats->sp;
2134		2676
2135	$self->enter_link;	2677	$self->enter_link;
2136		2678
		2679	# if exit is damned, update players death & WoR home-position
		2680	$self->contr->savebed ($slaying, $hp, $sp)
		2681	if $exit->flag (FLAG_DAMNED);
		2682
2137	(async {	2683	(async {
		2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2685
2138	$self->deactivate_recursive; # just to be sure	2686	$self->deactivate_recursive; # just to be sure
2139	unless (eval {	2687	unless (eval {
2140	$self->goto ($slaying, $hp, $sp);	2688	$self->goto ($slaying, $hp, $sp);
2141		2689
2142	1;	2690	1;
…		…
2168		2716
2169	utf8::encode $text;	2717	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2718	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2719	}
2172		2720
		2721	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2722
		2723	Send a drawinfo or msg packet to the client, formatting the msg for the
		2724	client if neccessary. C<$type> should be a string identifying the type of
		2725	the message, with C<log> being the default. If C<$color> is negative, suppress
		2726	the message unless the client supports the msg packet.
		2727
		2728	=cut
		2729
		2730	# non-persistent channels (usually the info channel)
		2731	our %CHANNEL = (
		2732	"c/identify" => {
		2733	id => "infobox",
		2734	title => "Identify",
		2735	reply => undef,
		2736	tooltip => "Items recently identified",
		2737	},
		2738	"c/examine" => {
		2739	id => "infobox",
		2740	title => "Examine",
		2741	reply => undef,
		2742	tooltip => "Signs and other items you examined",
		2743	},
		2744	"c/book" => {
		2745	id => "infobox",
		2746	title => "Book",
		2747	reply => undef,
		2748	tooltip => "The contents of a note or book",
		2749	},
		2750	"c/lookat" => {
		2751	id => "infobox",
		2752	title => "Look",
		2753	reply => undef,
		2754	tooltip => "What you saw there",
		2755	},
		2756	"c/who" => {
		2757	id => "infobox",
		2758	title => "Players",
		2759	reply => undef,
		2760	tooltip => "Shows players who are currently online",
		2761	},
		2762	"c/body" => {
		2763	id => "infobox",
		2764	title => "Body Parts",
		2765	reply => undef,
		2766	tooltip => "Shows which body parts you posess and are available",
		2767	},
		2768	"c/uptime" => {
		2769	id => "infobox",
		2770	title => "Uptime",
		2771	reply => undef,
		2772	tooltip => "How long the server has been running since last restart",
		2773	},
		2774	"c/mapinfo" => {
		2775	id => "infobox",
		2776	title => "Map Info",
		2777	reply => undef,
		2778	tooltip => "Information related to the maps",
		2779	},
		2780	);
		2781
		2782	sub cf::client::send_msg {
		2783	my ($self, $channel, $msg, $color, @extra) = @_;
		2784
		2785	$msg = $self->pl->expand_cfpod ($msg);
		2786
		2787	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2788
		2789	# check predefined channels, for the benefit of C
		2790	if ($CHANNEL{$channel}) {
		2791	$channel = $CHANNEL{$channel};
		2792
		2793	$self->ext_msg (channel_info => $channel)
		2794	if $self->can_msg;
		2795
		2796	$channel = $channel->{id};
		2797
		2798	} elsif (ref $channel) {
		2799	# send meta info to client, if not yet sent
		2800	unless (exists $self->{channel}{$channel->{id}}) {
		2801	$self->{channel}{$channel->{id}} = $channel;
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804	}
		2805
		2806	$channel = $channel->{id};
		2807	}
		2808
		2809	return unless @extra || length $msg;
		2810
		2811	if ($self->can_msg) {
		2812	# default colour, mask it out
		2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2814	if $color & cf::NDI_DEF;
		2815
		2816	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2818	} else {
		2819	if ($color >= 0) {
		2820	# replace some tags by gcfclient-compatible ones
		2821	for ($msg) {
		2822	1 while
		2823	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2824	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2825	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2826	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2827	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2828	}
		2829
		2830	$color &= cf::NDI_COLOR_MASK;
		2831
		2832	utf8::encode $msg;
		2833
		2834	if (0 && $msg =~ /\[/) {
		2835	# COMMAND/INFO
		2836	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2837	} else {
		2838	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2839	$self->send_packet ("drawinfo $color $msg")
		2840	}
		2841	}
		2842	}
		2843	}
		2844
2173	=item $client->ext_event ($type, %msg)	2845	=item $client->ext_msg ($type, @msg)
2174		2846
2175	Sends an exti event to the client.	2847	Sends an ext event to the client.
2176		2848
2177	=cut	2849	=cut
2178		2850
2179	sub cf::client::ext_event($$%) {	2851	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	2852	my ($self, $type, @msg) = @_;
2181		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2856	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	2857	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	2858	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2859	}
		2860	}
		2861
		2862	=item $client->ext_reply ($msgid, @msg)
		2863
		2864	Sends an ext reply to the client.
		2865
		2866	=cut
		2867
		2868	sub cf::client::ext_reply($$@) {
		2869	my ($self, $id, @msg) = @_;
		2870
		2871	if ($self->extcmd == 2) {
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2873	} elsif ($self->extcmd == 1) {
		2874	#TODO: version 1, remove
		2875	unshift @msg, msgtype => "reply", msgid => $id;
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2877	}
2184	}	2878	}
2185		2879
2186	=item $success = $client->query ($flags, "text", \&cb)	2880	=item $success = $client->query ($flags, "text", \&cb)
2187		2881
2188	Queues a query to the client, calling the given callback with	2882	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2883	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2884	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		2885
2192	Queries can fail, so check the return code. Or don't, as queries will become	2886	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	2887	become reliable at some point in the future.
2194		2888
2195	=cut	2889	=cut
2196		2890
2197	sub cf::client::query {	2891	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	2892	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	2900	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2901	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		2902
2209	$self->send_packet ($self->{query_queue}[0][0])	2903	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	2904	if @{ $self->{query_queue} } == 1;
		2905
		2906	1
2211	}	2907	}
2212		2908
2213	cf::client->attach (	2909	cf::client->attach (
		2910	on_connect => sub {
		2911	my ($ns) = @_;
		2912
		2913	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2914	},
2214	on_reply => sub {	2915	on_reply => sub {
2215	my ($ns, $msg) = @_;	2916	my ($ns, $msg) = @_;
2216		2917
2217	# this weird shuffling is so that direct followup queries	2918	# this weird shuffling is so that direct followup queries
2218	# get handled first	2919	# get handled first
…		…
2230	} else {	2931	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2932	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	2933	}
2233	}	2934	}
2234	},	2935	},
		2936	on_exticmd => sub {
		2937	my ($ns, $buf) = @_;
		2938
		2939	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2940
		2941	if (ref $msg) {
		2942	my ($type, $reply, @payload) =
		2943	"ARRAY" eq ref $msg
		2944	? @$msg
		2945	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2946
		2947	my @reply;
		2948
		2949	if (my $cb = $EXTICMD{$type}) {
		2950	@reply = $cb->($ns, @payload);
		2951	}
		2952
		2953	$ns->ext_reply ($reply, @reply)
		2954	if $reply;
		2955
		2956	} else {
		2957	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2958	}
		2959
		2960	cf::override;
		2961	},
2235	);	2962	);
2236		2963
2237	=item $client->async (\&cb)	2964	=item $client->async (\&cb)
2238		2965
2239	Create a new coroutine, running the specified callback. The coroutine will	2966	Create a new coroutine, running the specified callback. The coroutine will
…		…
2280	our $safe = new Safe "safe";	3007	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3008	our $safe_hole = new Safe::Hole;
2282		3009
2283	$SIG{FPE} = 'IGNORE';	3010	$SIG{FPE} = 'IGNORE';
2284		3011
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3012	$safe->permit_only (Opcode::opset qw(
		3013	:base_core :base_mem :base_orig :base_math
		3014	grepstart grepwhile mapstart mapwhile
		3015	sort time
		3016	));
2286		3017
2287	# here we export the classes and methods available to script code	3018	# here we export the classes and methods available to script code
2288		3019
2289	=pod	3020	=pod
2290		3021
2291	The following functions and methods are available within a safe environment:	3022	The following functions and methods are available within a safe environment:
2292		3023
2293	cf::object contr pay_amount pay_player map	3024	cf::object
		3025	contr pay_amount pay_player map x y force_find force_add destroy
		3026	insert remove name archname title slaying race decrease_ob_nr
		3027
2294	cf::object::player player	3028	cf::object::player
2295	cf::player peaceful	3029	player
2296	cf::map trigger	3030
		3031	cf::player
		3032	peaceful
		3033
		3034	cf::map
		3035	trigger
2297		3036
2298	=cut	3037	=cut
2299		3038
2300	for (	3039	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3041	insert remove inv name archname title slaying race
		3042	decrease_ob_nr destroy)],
2302	["cf::object::player" => qw(player)],	3043	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3044	["cf::player" => qw(peaceful)],
2304	["cf::map" => qw(trigger)],	3045	["cf::map" => qw(trigger)],
2305	) {	3046	) {
2306	no strict 'refs';	3047	no strict 'refs';
…		…
2377	=back	3118	=back
2378		3119
2379	=cut	3120	=cut
2380		3121
2381	#############################################################################	3122	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552
2553	#############################################################################
2554	# the server's init and main functions	3123	# the server's init and main functions
2555		3124
2556	sub load_facedata($) {	3125	sub load_facedata($) {
2557	my ($path) = @_;	3126	my ($path) = @_;
		3127
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
		3132	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558		3133
2559	warn "loading facedata from $path\n";	3134	warn "loading facedata from $path\n";
2560		3135
2561	my $facedata;	3136	my $facedata;
2562	0 < aio_load $path, $facedata	3137	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3140	$facedata = Coro::Storable::thaw $facedata;
2566		3141
2567	$facedata->{version} == 2	3142	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3143	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3144
		3145	# patch in the exptable
		3146	$facedata->{resource}{"res/exp_table"} = {
		3147	type => FT_RSRC,
		3148	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3149	};
		3150	cf::cede_to_tick;
		3151
2570	{	3152	{
2571	my $faces = $facedata->{faceinfo};	3153	my $faces = $facedata->{faceinfo};
2572		3154
2573	while (my ($face, $info) = each %$faces) {	3155	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3157
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3158	cf::face::set_visibility $idx, $info->{visibility};
		3159	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578	Coro::cede;	3162
		3163	cf::cede_to_tick;
2579	}	3164	}
2580		3165
2581	while (my ($face, $info) = each %$faces) {	3166	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3167	next unless $info->{smooth};
		3168
2583	my $idx = cf::face::find $face	3169	my $idx = cf::face::find $face
2584	or next;	3170	or next;
		3171
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3172	if (my $smooth = cf::face::find $info->{smooth}) {
		3173	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3174	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3175	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3176	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3177	}
2590	Coro::cede;	3178
		3179	cf::cede_to_tick;
2591	}	3180	}
2592	}	3181	}
2593		3182
2594	{	3183	{
2595	my $anims = $facedata->{animinfo};	3184	my $anims = $facedata->{animinfo};
2596		3185
2597	while (my ($anim, $info) = each %$anims) {	3186	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3187	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3188	cf::cede_to_tick;
2600	}	3189	}
2601		3190
2602	cf::anim::invalidate_all; # d'oh	3191	cf::anim::invalidate_all; # d'oh
2603	}	3192	}
2604		3193
		3194	{
		3195	# TODO: for gcfclient pleasure, we should give resources
		3196	# that gcfclient doesn't grok a >10000 face index.
		3197	my $res = $facedata->{resource};
		3198
		3199	while (my ($name, $info) = each %$res) {
		3200	if (defined $info->{type}) {
		3201	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3202	my $data;
		3203
		3204	if ($info->{type} & 1) {
		3205	# prepend meta info
		3206
		3207	my $meta = $enc->encode ({
		3208	name => $name,
		3209	%{ $info->{meta} || {} },
		3210	});
		3211
		3212	$data = pack "(w/a*)*", $meta, $info->{data};
		3213	} else {
		3214	$data = $info->{data};
		3215	}
		3216
		3217	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3218	cf::face::set_type $idx, $info->{type};
		3219	} else {
		3220	$RESOURCE{$name} = $info;
		3221	}
		3222
		3223	cf::cede_to_tick;
		3224	}
		3225	}
		3226
		3227	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3228
2605	1	3229	1
2606	}	3230	}
2607		3231
		3232	cf::global->attach (on_resource_update => sub {
		3233	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3234	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3235
		3236	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3237	my $sound = $soundconf->{compat}[$_]
		3238	or next;
		3239
		3240	my $face = cf::face::find "sound/$sound->[1]";
		3241	cf::sound::set $sound->[0] => $face;
		3242	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3243	}
		3244
		3245	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3246	my $face = cf::face::find "sound/$v";
		3247	cf::sound::set $k => $face;
		3248	}
		3249	}
		3250	});
		3251
		3252	register_exticmd fx_want => sub {
		3253	my ($ns, $want) = @_;
		3254
		3255	while (my ($k, $v) = each %$want) {
		3256	$ns->fx_want ($k, $v);
		3257	}
		3258	};
		3259
2608	sub reload_regions {	3260	sub reload_regions {
		3261	# HACK to clear player env face cache, we need some signal framework
		3262	# for this (global event?)
		3263	%ext::player_env::MUSIC_FACE_CACHE = ();
		3264
2609	load_resource_file "$MAPDIR/regions"	3265	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3266	or die "unable to load regions file\n";
		3267
		3268	for (cf::region::list) {
		3269	$_->{match} = qr/$_->{match}/
		3270	if exists $_->{match};
		3271	}
2611	}	3272	}
2612		3273
2613	sub reload_facedata {	3274	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3275	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3276	or die "unable to load facedata\n";
2616	}	3277	}
2617		3278
2618	sub reload_archetypes {	3279	sub reload_archetypes {
		3280	load_resource_file "$DATADIR/archetypes"
		3281	or die "unable to load archetypes\n";
		3282	#d# NEED to laod twice to resolve forward references
		3283	# this really needs to be done in an extra post-pass
		3284	# (which needs to be synchronous, so solve it differently)
2619	load_resource_file "$DATADIR/archetypes"	3285	load_resource_file "$DATADIR/archetypes"
2620	or die "unable to load archetypes\n";	3286	or die "unable to load archetypes\n";
2621	}	3287	}
2622		3288
2623	sub reload_treasures {	3289	sub reload_treasures {
…		…
2639		3305
2640	sub init {	3306	sub init {
2641	reload_resources;	3307	reload_resources;
2642	}	3308	}
2643		3309
2644	sub cfg_load {	3310	sub reload_config {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3311	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3312	or return;
2647		3313
2648	local $/;	3314	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3315	*CFG = YAML::Load <$fh>;
2650		3316
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2652		3318
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3319	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3320	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2665	sub main {	3331	sub main {
2666	# we must not ever block the main coroutine	3332	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3333	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3335	(async {
2670	Event::one_event;	3336	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3337	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3338	})->prio (Coro::PRIO_MAX);
2672	};	3339	};
2673		3340
2674	cfg_load;	3341	reload_config;
2675	db_init;	3342	db_init;
2676	load_extensions;	3343	load_extensions;
2677		3344
2678	$TICK_WATCHER->start;	3345	$TICK_WATCHER->start;
		3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2679	Event::loop;	3347	EV::loop;
2680	}	3348	}
2681		3349
2682	#############################################################################	3350	#############################################################################
2683	# initialisation and cleanup	3351	# initialisation and cleanup
2684		3352
2685	# install some emergency cleanup handlers	3353	# install some emergency cleanup handlers
2686	BEGIN {	3354	BEGIN {
		3355	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3356	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3358	cf::cleanup "SIG$signal";
2695	},
2696	);	3359	};
		3360	}
		3361	}
		3362
		3363	sub write_runtime {
		3364	my $runtime = "$LOCALDIR/runtime";
		3365
		3366	# first touch the runtime file to show we are still running:
		3367	# the fsync below can take a very very long time.
		3368
		3369	IO::AIO::aio_utime $runtime, undef, undef;
		3370
		3371	my $guard = cf::lock_acquire "write_runtime";
		3372
		3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3374	or return;
		3375
		3376	my $value = $cf::RUNTIME + 90 + 10;
		3377	# 10 is the runtime save interval, for a monotonic clock
		3378	# 60 allows for the watchdog to kill the server.
		3379
		3380	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3381	and return;
		3382
		3383	# always fsync - this file is important
		3384	aio_fsync $fh
		3385	and return;
		3386
		3387	# touch it again to show we are up-to-date
		3388	aio_utime $fh, undef, undef;
		3389
		3390	close $fh
		3391	or return;
		3392
		3393	aio_rename "$runtime~", $runtime
		3394	and return;
		3395
		3396	warn "runtime file written.\n";
		3397
2697	}	3398	1
2698	}	3399	}
2699		3400
2700	sub emergency_save() {	3401	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3402	my $freeze_guard = cf::freeze_mainloop;
2702		3403
…		…
2708	# and maps saved/destroyed asynchronously.	3409	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3410	warn "begin emergency player save\n";
2710	for my $login (keys %cf::PLAYER) {	3411	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3412	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3413	$pl->valid or next;
		3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3415	$pl->save;
2714	}	3416	}
2715	warn "end emergency player save\n";	3417	warn "end emergency player save\n";
2716		3418
2717	warn "begin emergency map save\n";	3419	warn "begin emergency map save\n";
…		…
2756	warn "syncing database to disk";	3458	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3459	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3460
2759	# if anything goes wrong in here, we should simply crash as we already saved	3461	# if anything goes wrong in here, we should simply crash as we already saved
2760		3462
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3463	warn "flushing outstanding aio requests";
2767	for (;;) {	3464	for (;;) {
2768	BDB::flush;	3465	BDB::flush;
2769	IO::AIO::flush;	3466	IO::AIO::flush;
2770	Coro::cede;	3467	Coro::cede_notself;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3468	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";	3469	warn "iterate...";
2773	}	3470	}
2774		3471
2775	++$RELOAD;	3472	++$RELOAD;
…		…
2779	%EXT_CORO = ();	3476	%EXT_CORO = ();
2780		3477
2781	warn "removing commands";	3478	warn "removing commands";
2782	%COMMAND = ();	3479	%COMMAND = ();
2783		3480
2784	warn "removing ext commands";	3481	warn "removing ext/exti commands";
2785	%EXTCMD = ();	3482	%EXTCMD = ();
		3483	%EXTICMD = ();
2786		3484
2787	warn "unloading/nuking all extensions";	3485	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3486	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3487	warn "... unloading $pkg";
2790		3488
…		…
2833	warn "reloading cf.pm";	3531	warn "reloading cf.pm";
2834	require cf;	3532	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3534
2837	warn "loading config and database again";	3535	warn "loading config and database again";
2838	cf::cfg_load;	3536	cf::reload_config;
2839		3537
2840	warn "loading extensions";	3538	warn "loading extensions";
2841	cf::load_extensions;	3539	cf::load_extensions;
2842		3540
2843	warn "reattaching attachments to objects/players";	3541	warn "reattaching attachments to objects/players";
…		…
2863		3561
2864	sub reload_perl() {	3562	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3563	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3564	# coro crashes during coro_state_free->destroy here.
2867		3565
2868	$RELOAD_WATCHER ||= Event->timer (	3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2869	reentrant => 0,
2870	after => 0,
2871	data => WF_AUTOCANCEL,
2872	cb => sub {
2873	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3567	undef $RELOAD_WATCHER;
2875	},	3568	do_reload_perl;
2876	);	3569	};
2877	}	3570	}
2878		3571
2879	register_command "reload" => sub {	3572	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3573	my ($who, $arg) = @_;
2881		3574
2882	if ($who->flag (FLAG_WIZ)) {	3575	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3576	$who->message ("reloading server.");
		3577	async {
		3578	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3579	reload_perl;
		3580	};
2885	}	3581	}
2886	};	3582	};
2887		3583
2888	unshift @INC, $LIBDIR;	3584	unshift @INC, $LIBDIR;
2889		3585
…		…
2908	my $signal = new Coro::Signal;	3604	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3605	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3606	$signal->wait;
2911	}	3607	}
2912		3608
2913	my $min = 1e6;#d#	3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3610	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3612	unless ++$bug_warning > 10;
2925	return;	3613	return;
2926	}	3614	}
2927		3615
2928	$NOW = $tick_start = Event::time;	3616	$NOW = $tick_start = EV::now;
2929		3617
2930	cf::server_tick; # one server iteration	3618	cf::server_tick; # one server iteration
2931		3619
2932	0 && sync_job {#d#	3620	$RUNTIME += $TICK;
2933	for(1..10) {	3621	$NEXT_TICK = $_[0]->at;
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937		3622
2938	$map->width (50);	3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	3625	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	3626	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	3627	write_runtime
2943		3628	or warn "ERROR: unable to write runtime file: $!";
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3629	};
		3630	}
2954		3631
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3633	$sig->send;
2971	}	3634	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3635	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3636	$sig->send;
2974	}	3637	}
2975		3638
2976	$NOW = Event::time;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;	3639	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3641
2987	_post_tick;	3642	_post_tick;
2988		3643	};
2989		3644	$TICK_WATCHER->priority (EV::MAXPRI);
2990	},
2991	);
2992		3645
2993	{	3646	{
2994	BDB::max_poll_time $TICK * 0.1;	3647	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3648
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	3649	BDB::min_parallel 8;
3004		3650	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	3651	$Coro::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		3652
3020	unless ($DB_ENV) {	3653	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3659
3023	cf::sync_job {	3660	cf::sync_job {
3024	eval {	3661	eval {
3025	BDB::db_env_open	3662	BDB::db_env_open
3026	$DB_ENV,	3663	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3667	0666;
3031		3668
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3670	};
3037		3671
3038	cf::cleanup "db_env_open(db): $@" if $@;	3672	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3673	};
3040	}	3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
3041	}	3685	}
3042		3686
3043	{	3687	{
		3688	# configure IO::AIO
		3689
3044	IO::AIO::min_parallel 8;	3690	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	3692	$Coro::AIO::WATCHER->priority (1);
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	3693	}
3057		3694
3058	my $_log_backtrace;	3695	my $_log_backtrace;
3059		3696
3060	sub _log_backtrace {	3697	sub _log_backtrace {
…		…
3064		3701
3065	# limit the # of concurrent backtraces	3702	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3703	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3704	++$_log_backtrace;
3068	async {	3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
3069	my @bt = fork_call {	3708	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3709	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	3712	or die "addr2line: $!";

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