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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC vs.
Revision 1.411 by root, Fri Feb 1 15:54:07 2008 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;	9	use EV 1.86;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
		27	use JSON::XS 2.01 ();
25	use BDB ();	28	use BDB ();
26	use Data::Dumper;	29	use Data::Dumper;
27	use Digest::MD5;	30	use Digest::MD5;
28	use Fcntl;	31	use Fcntl;
29	use YAML::Syck ();	32	use YAML ();
30	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
31	use Time::HiRes;	34	use Time::HiRes;
32	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
33		37
34	# configure various modules to our taste	38	# configure various modules to our taste
35	#	39	#
36	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		43
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		45
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		47
49	our %COMMAND = ();	48	our %COMMAND = ();
50	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
51		50
52	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
56		56
57	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
58	our @EVENT;	58	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	69	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	70	our $BDBDIR = "$LOCALDIR/db";
		71	our %RESOURCE;
71		72
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;	74	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	77	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		79
80	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	84	our $DB_ENV;
82		85
83	our %CFG;	86	our %CFG;
84		87
85	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
87		91
88	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
91		95
92	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		98
…		…
155		159
156	The raw value load value from the last tick.	160	The raw value load value from the last tick.
157		161
158	=item %cf::CFG	162	=item %cf::CFG
159		163
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	165	from wherever your confdir points to.
162		166
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		168
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
		178
169	=back	179	=back
170		180
171	=cut	181	=cut
172		182
173	BEGIN {	183	BEGIN {
…		…
177	$msg .= "\n"	187	$msg .= "\n"
178	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
179		189
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		191
182	utf8::encode $msg;
183	LOG llevError, $msg;	192	LOG llevError, $msg;
184	};	193	};
185	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	return unless $^S eq 0; # "eq", not "=="
		198
		199	if ($Coro::current == $Coro::main) {#d#
		200	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		201	return;#d#
		202	}#d#
		203
		204	# kill coroutine otherwise
		205	warn Carp::longmess $_[0];
		206	Coro::terminate
		207	};
		208
		209	$SIG{__DIE__} = sub { }; #d#?
186		210
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
203	)) {	227	)) {
204	no strict 'refs';	228	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	230	}
207		231
208	$Event::DIED = sub {	232	$EV::DIED = sub {
209	warn "error in event callback: @_";	233	warn "error in event callback: @_";
210	};	234	};
		235
		236	#############################################################################
211		237
212	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
213		239
214	=over 4	240	=over 4
215		241
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	260	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	261	$d
236	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
237	}	263	}
238		264
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
242		266
243	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
244		268
245	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
246		270
247	Converts a perl data structure into its JSON representation.	271	Converts a perl data structure into its JSON representation.
		272
		273	=cut
		274
		275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		276
		277	sub encode_json($) { $json_coder->encode ($_[0]) }
		278	sub decode_json($) { $json_coder->decode ($_[0]) }
248		279
249	=item cf::lock_wait $string	280	=item cf::lock_wait $string
250		281
251	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
252		283
…		…
255	Wait until the given lock is available and then acquires it and returns	286	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	287	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	288	for example when the coroutine gets canceled), the lock is automatically
258	returned.	289	returned.
259		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
260	Lock names should begin with a unique identifier (for example, cf::map::find	294	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
262		296
263	=item $locked = cf::lock_active $string	297	=item $locked = cf::lock_active $string
264		298
265	Return true if the lock is currently active, i.e. somebody has locked it.	299	Return true if the lock is currently active, i.e. somebody has locked it.
266		300
267	=cut	301	=cut
268		302
269	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
270		305
271	sub lock_wait($) {	306	sub lock_wait($) {
272	my ($key) = @_;	307	my ($key) = @_;
		308
		309	if ($LOCKER{$key} == $Coro::current) {#d#
		310	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		311	return;#d#
		312	}#d#
273		313
274	# wait for lock, if any	314	# wait for lock, if any
275	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	317	Coro::schedule;
…		…
283		323
284	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
285	lock_wait $key;	325	lock_wait $key;
286		326
287	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
288		329
289	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
292	}	334	}
293	}	335	}
294		336
…		…
306	};	348	};
307	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
308	$guard	350	$guard
309	}	351	}
310		352
		353	=item cf::periodic $interval, $cb
		354
		355	Like EV::periodic, but randomly selects a starting point so that the actions
		356	get spread over timer.
		357
		358	=cut
		359
		360	sub periodic($$) {
		361	my ($interval, $cb) = @_;
		362
		363	my $start = rand List::Util::min 180, $interval;
		364
		365	EV::periodic $start, $interval, 0, $cb
		366	}
		367
		368	=item cf::get_slot $time[, $priority[, $name]]
		369
		370	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		371	This call blocks and returns only when you have at least C<$time> seconds
		372	of cpu time till the next tick. The slot is only valid till the next cede.
		373
		374	The optional C<$name> can be used to identify the job to run. It might be
		375	used for statistical purposes and should identify the same time-class.
		376
		377	Useful for short background jobs.
		378
		379	=cut
		380
		381	our @SLOT_QUEUE;
		382	our $SLOT_QUEUE;
		383
		384	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		385	$SLOT_QUEUE = Coro::async {
		386	$Coro::current->desc ("timeslot manager");
		387
		388	my $signal = new Coro::Signal;
		389
		390	while () {
		391	next_job:
		392	my $avail = cf::till_tick;
		393	if ($avail > 0.01) {
		394	for (0 .. $#SLOT_QUEUE) {
		395	if ($SLOT_QUEUE[$_][0] < $avail) {
		396	my $job = splice @SLOT_QUEUE, $_, 1, ();
		397	$job->[2]->send;
		398	Coro::cede;
		399	goto next_job;
		400	}
		401	}
		402	}
		403
		404	if (@SLOT_QUEUE) {
		405	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		406	push @cf::WAIT_FOR_TICK, $signal;
		407	$signal->wait;
		408	} else {
		409	Coro::schedule;
		410	}
		411	}
		412	};
		413
		414	sub get_slot($;$$) {
		415	my ($time, $pri, $name) = @_;
		416
		417	$time = $TICK * .6 if $time > $TICK * .6;
		418	my $sig = new Coro::Signal;
		419
		420	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		421	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		422	$SLOT_QUEUE->ready;
		423	$sig->wait;
		424	}
		425
311	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
312		427
313	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	429	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	430	thing you are allowed to do is call C<prio> on it.
…		…
318		433
319	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
320		435
321	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
322		437
323	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
326		442
327	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
330	fast or be very important.	446	fast or be very important.
…		…
333		449
334	sub sync_job(&) {	450	sub sync_job(&) {
335	my ($job) = @_;	451	my ($job) = @_;
336		452
337	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	454	my $time = EV::time;
339		455
340	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
342		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
343	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
344	# (but this is cancel-safe)	462	# (but this is cancel-safe)
345	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
346		464
347	my $busy = 1;	465	my $busy = 1;
348	my @res;	466	my @res;
349		467
350	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	470	@res = eval { $job->() };
352	warn $@ if $@;	471	warn $@ if $@;
353	undef $busy;	472	undef $busy;
354	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
355		474
356	while ($busy) {	475	while ($busy) {
357	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
358	}	480	}
		481	}
359		482
360	$time = Event::time - $time;	483	$time = EV::time - $time;
361		484
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"	485	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	486	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364		487
365	$tick_start += $time; # do not account sync jobs to server load	488	$tick_start += $time; # do not account sync jobs to server load
…		…
390	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
391		514
392	$coro	515	$coro
393	}	516	}
394		517
395	sub write_runtime {	518	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		519
398	# first touch the runtime file to show we are still running:	520	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	521	process, returning the results. Everything must be serialisable with
		522	Coro::Storable. May, of course, block. Note that the executed sub may
		523	never block itself or use any form of event handling.
400		524
401	IO::AIO::aio_utime $runtime, undef, undef;	525	=cut
402		526
403	my $guard = cf::lock_acquire "write_runtime";	527	sub fork_call(&@) {
		528	my ($cb, @args) = @_;
404		529
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	530	# we seemingly have to make a local copy of the whole thing,
406	or return;	531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
407		533
408	my $value = $cf::RUNTIME + 90 + 10;	534	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	535	reset_signals;
410	# 60 allows for the watchdog to kill the server.	536	&$cb
		537	}, @args;
411		538
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	539	wantarray ? @res : $res[-1]
413	and return;	540	}
414		541
415	# always fsync - this file is important	542	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		543
419	# touch it again to show we are up-to-date	544	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		545
422	close $fh	546	=item cf::db_put $family => $key => $value
423	or return;
424		547
425	aio_rename "$runtime~", $runtime	548	Stores the given C<$value> in the family. It can currently store binary
426	and return;	549	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		550
428	warn "runtime file written.\n";	551	=item $db = cf::db_table "name"
429		552
		553	Create and/or open a new database table. The string must not be "db" and must be unique
		554	within each server.
		555
		556	=cut
		557
		558	sub db_table($) {
		559	my ($name) = @_;
		560	my $db = BDB::db_create $DB_ENV;
		561
		562	eval {
		563	$db->set_flags (BDB::CHKSUM);
		564
		565	utf8::encode $name;
		566	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		567	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		568	cf::cleanup "db_open(db): $!" if $!;
		569	};
		570	cf::cleanup "db_open(db): $@" if $@;
		571
		572	$db
		573	}
		574
		575	our $DB;
		576
		577	sub db_init {
		578	cf::sync_job {
		579	$DB ||= db_table "db";
		580	};
		581	}
		582
		583	sub db_get($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
430	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		595	BDB::dbreq_pri 4;
		596	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		597	}
		598
		599	=item cf::cache $id => [$paths...], $processversion => $process
		600
		601	Generic caching function that returns the value of the resource $id,
		602	caching and regenerating as required.
		603
		604	This function can block.
		605
		606	=cut
		607
		608	sub cache {
		609	my ($id, $src, $processversion, $process) = @_;
		610
		611	my $meta =
		612	join "\x00",
		613	$processversion,
		614	map {
		615	aio_stat $_
		616	and Carp::croak "$_: $!";
		617
		618	($_, (stat _)[7,9])
		619	} @$src;
		620
		621	my $dbmeta = db_get cache => "$id/meta";
		622	if ($dbmeta ne $meta) {
		623	# changed, we may need to process
		624
		625	my @data;
		626	my $md5;
		627
		628	for (0 .. $#$src) {
		629	0 <= aio_load $src->[$_], $data[$_]
		630	or Carp::croak "$src->[$_]: $!";
		631	}
		632
		633	# if processing is expensive, check
		634	# checksum first
		635	if (1) {
		636	$md5 =
		637	join "\x00",
		638	$processversion,
		639	map {
		640	cf::cede_to_tick;
		641	($src->[$_], Digest::MD5::md5_hex $data[$_])
		642	} 0.. $#$src;
		643
		644
		645	my $dbmd5 = db_get cache => "$id/md5";
		646	if ($dbmd5 eq $md5) {
		647	db_put cache => "$id/meta", $meta;
		648
		649	return db_get cache => "$id/data";
		650	}
		651	}
		652
		653	my $t1 = Time::HiRes::time;
		654	my $data = $process->(\@data);
		655	my $t2 = Time::HiRes::time;
		656
		657	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		658
		659	db_put cache => "$id/data", $data;
		660	db_put cache => "$id/md5" , $md5;
		661	db_put cache => "$id/meta", $meta;
		662
		663	return $data;
		664	}
		665
		666	db_get cache => "$id/data"
431	}	667	}
432		668
433	=item cf::datalog type => key => value, ...	669	=item cf::datalog type => key => value, ...
434		670
435	Log a datalog packet of the given type with the given key-value pairs.	671	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	689	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
455		691
456	In the following description, CLASS can be any of C<global>, C<object>	692	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	693	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	694	Deliantra).
459		695
460	=over 4	696	=over 4
461		697
462	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
463		699
…		…
665	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
666	}	902	}
667		903
668	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
669	} else {	905	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	907	}
672		908
673	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
674	}	910	}
675		911
…		…
715	";	951	";
716	die if $@;	952	die if $@;
717	}	953	}
718		954
719	our $override;	955	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	956	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		957
722	sub override {	958	sub override {
723	$override = 1;	959	$override = 1;
724	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
725	}	961	}
726		962
727	sub do_invoke {	963	sub do_invoke {
728	my $event = shift;	964	my $event = shift;
729	my $callbacks = shift;	965	my $callbacks = shift;
730		966
731	@invoke_results = ();	967	@INVOKE_RESULTS = ();
732		968
733	local $override;	969	local $override;
734		970
735	for (@$callbacks) {	971	for (@$callbacks) {
736	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
745	}	981	}
746		982
747	0	983	0
748	}	984	}
749		985
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		987
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		989
754	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
755		991
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	992	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	993	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		995
760	=back	996	=back
761		997
762	=cut	998	=cut
763		999
764	#############################################################################	1000	#############################################################################
765	# object support	1001	# object support
		1002
		1003	sub _object_equal($$);
		1004	sub _object_equal($$) {
		1005	my ($a, $b) = @_;
		1006
		1007	return 0 unless (ref $a) eq (ref $b);
		1008
		1009	if ("HASH" eq ref $a) {
		1010	my @ka = keys %$a;
		1011	my @kb = keys %$b;
		1012
		1013	return 0 if @ka != @kb;
		1014
		1015	for (0 .. $#ka) {
		1016	return 0 unless $ka[$_] eq $kb[$_];
		1017	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1018	}
		1019
		1020	} elsif ("ARRAY" eq ref $a) {
		1021
		1022	return 0 if @$a != @$b;
		1023
		1024	for (0 .. $#$a) {
		1025	return 0 unless _object_equal $a->[$_], $b->[$_];
		1026	}
		1027
		1028	} elsif ($a ne $b) {
		1029	return 0;
		1030	}
		1031
		1032	1
		1033	}
		1034
		1035	our $SLOW_MERGES;#d#
		1036	sub _can_merge {
		1037	my ($ob1, $ob2) = @_;
		1038
		1039	++$SLOW_MERGES;#d#
		1040
		1041	# we do the slow way here
		1042	return _object_equal $ob1, $ob2
		1043	}
766		1044
767	sub reattach {	1045	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1047	my ($obj) = @_;
770		1048
…		…
791	cf::attachable->attach (	1069	cf::attachable->attach (
792	prio => -1000000,	1070	prio => -1000000,
793	on_instantiate => sub {	1071	on_instantiate => sub {
794	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
795		1073
796	$data = from_json $data;	1074	$data = decode_json $data;
797		1075
798	for (@$data) {	1076	for (@$data) {
799	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
800		1078
801	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1095	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
819		1097
820	sync_job {	1098	sync_job {
821	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
824		1103
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1107	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1108	close $fh;
830		1109
831	if (@$objs) {	1110	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1111	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1115	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1116	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
839	}	1118	}
…		…
847	}	1126	}
848	} else {	1127	} else {
849	aio_unlink $filename;	1128	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
851	}	1130	}
852	}	1131	};
853	}	1132	}
854		1133
855	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
857		1136
…		…
869	or return;	1148	or return;
870		1149
871	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
873	or return;	1152	or return;
		1153
874	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
875	}	1156	}
876		1157
		1158	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1160	$decname, length $data, scalar @{$av || []};
		1161
879	return ($data, $av);	1162	($data, $av)
880	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
881		1170
882	#############################################################################	1171	#############################################################################
883	# command handling &c	1172	# command handling &c
884		1173
885	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1188	}
900		1189
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1191
903	Register a callbackf ro execution when the client sends an extcmd packet.	1192	Register a callback for execution when the client sends an (synchronous)
		1193	extcmd packet. Ext commands will be processed in the order they are
		1194	received by the server, like other user commands. The first argument is
		1195	the logged-in player. Ext commands can only be processed after a player
		1196	has logged in successfully.
904		1197
905	If the callback returns something, it is sent back as if reply was being	1198	If the callback returns something, it is sent back as if reply was being
906	called.	1199	called.
907		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
908	=cut	1212	=cut
909		1213
910	sub register_extcmd {	1214	sub register_extcmd {
911	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
912		1216
913	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
914	}	1224	}
915		1225
916	cf::player->attach (	1226	cf::player->attach (
917	on_command => sub {	1227	on_command => sub {
918	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1237	cf::override;
928	},	1238	},
929	on_extcmd => sub {	1239	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
931		1241
932	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1243
934	if (ref $msg) {	1244	if (ref $msg) {
		1245	my ($type, $reply, @payload) =
		1246	"ARRAY" eq ref $msg
		1247	? @$msg
		1248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1249
		1250	my @reply;
		1251
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
940	} else {	1259	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1261	}
943		1262
944	cf::override;	1263	cf::override;
945	},	1264	},
946	);	1265	);
947		1266
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
983	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1272	next unless -r $path;
985	eval {	1273
986	load_extension $ext;	1274	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1275	my $base = $1;
		1276	my $pkg = $1;
		1277	$pkg =~ s/[^[:word:]]/_/g;
		1278	$pkg = "ext::$pkg";
		1279
		1280	open my $fh, "<:utf8", $path
		1281	or die "$path: $!";
		1282
		1283	my $source = do { local $/; <$fh> };
		1284
		1285	my %ext = (
		1286	path => $path,
		1287	base => $base,
		1288	pkg => $pkg,
		1289	);
		1290
		1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1293
		1294	$ext{source} =
		1295	"package $pkg; use strict; use utf8;\n"
		1296	. "#line 1 \"$path\"\n{\n"
		1297	. $source
		1298	. "\n};\n1";
		1299
		1300	$todo{$base} = \%ext;
		1301	}
		1302
		1303	my %done;
		1304	while (%todo) {
		1305	my $progress;
		1306
		1307	while (my ($k, $v) = each %todo) {
		1308	for (split /,\s*/, $v->{meta}{depends}) {
		1309	goto skip
		1310	unless exists $done{$_};
		1311	}
		1312
		1313	warn "... loading '$k' into '$v->{pkg}'\n";
		1314
		1315	unless (eval $v->{source}) {
		1316	my $msg = $@ ? "$v->{path}: $@\n"
		1317	: "$v->{base}: extension inactive.\n";
		1318
		1319	if (exists $v->{meta}{mandatory}) {
		1320	warn $msg;
		1321	cf::cleanup "mandatory extension failed to load, exiting.";
		1322	}
		1323
		1324	warn $msg;
		1325	}
		1326
		1327	$done{$k} = delete $todo{$k};
		1328	push @EXTS, $v->{pkg};
		1329	$progress = 1;
987	1	1330	}
988	} or warn "$ext not loaded: $@";	1331
		1332	skip:
		1333	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1334	unless $progress;
		1335	}
989	}	1336	};
990	}	1337	}
991		1338
992	#############################################################################	1339	#############################################################################
993		1340
		1341	=back
		1342
994	=head2 CORE EXTENSIONS	1343	=head2 CORE EXTENSIONS
995		1344
996	Functions and methods that extend core crossfire objects.	1345	Functions and methods that extend core crossfire objects.
997		1346
998	=cut	1347	=cut
…		…
1002	use Coro::AIO;	1351	use Coro::AIO;
1003		1352
1004	=head3 cf::player	1353	=head3 cf::player
1005		1354
1006	=over 4	1355	=over 4
		1356
		1357	=item cf::player::num_playing
		1358
		1359	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1360
		1361	=cut
		1362
		1363	sub num_playing {
		1364	scalar grep
		1365	$_->ob->map
		1366	&& !$_->hidden
		1367	&& !$_->ob->flag (cf::FLAG_WIZ),
		1368	cf::player::list
		1369	}
1007		1370
1008	=item cf::player::find $login	1371	=item cf::player::find $login
1009		1372
1010	Returns the given player object, loading it if necessary (might block).	1373	Returns the given player object, loading it if necessary (might block).
1011		1374
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1410	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1411	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1412	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1413	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1414
1052	my $pl = load_pl path $login	1415	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1416	or return;
		1417
		1418	my $pl = cf::player::load_pl $f
		1419	or return;
		1420	local $cf::PLAYER_LOADING{$login} = $pl;
		1421	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1422	$cf::PLAYER{$login} = $pl
1055	}	1423	}
1056	}	1424	}
1057	}	1425	}
1058		1426
…		…
1068		1436
1069	aio_mkdir playerdir $pl, 0770;	1437	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1438	$pl->{last_save} = $cf::RUNTIME;
1071		1439
1072	$pl->save_pl ($path);	1440	$pl->save_pl ($path);
1073	Coro::cede;	1441	cf::cede_to_tick;
1074	}	1442	}
1075		1443
1076	sub new($) {	1444	sub new($) {
1077	my ($login) = @_;	1445	my ($login) = @_;
1078		1446
…		…
1082	$self->{deny_save} = 1;	1450	$self->{deny_save} = 1;
1083		1451
1084	$cf::PLAYER{$login} = $self;	1452	$cf::PLAYER{$login} = $self;
1085		1453
1086	$self	1454	$self
		1455	}
		1456
		1457	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1458
		1459	=cut
		1460
		1461	sub send_msg {
		1462	my $ns = shift->ns
		1463	or return;
		1464	$ns->send_msg (@_);
1087	}	1465	}
1088		1466
1089	=item $pl->quit_character	1467	=item $pl->quit_character
1090		1468
1091	Nukes the player without looking back. If logged in, the connection will	1469	Nukes the player without looking back. If logged in, the connection will
…		…
1146	or return [];	1524	or return [];
1147		1525
1148	my @logins;	1526	my @logins;
1149		1527
1150	for my $login (@$dirs) {	1528	for my $login (@$dirs) {
		1529	my $path = path $login;
		1530
		1531	# a .pst is a dead give-away for a valid player
		1532	unless (-e "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1533	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1534	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1535	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1536	}
1154		1537
1155	utf8::decode $login;	1538	utf8::decode $login;
1156	push @logins, $login;	1539	push @logins, $login;
1157	}	1540	}
1158		1541
…		…
1185	}	1568	}
1186		1569
1187	\@paths	1570	\@paths
1188	}	1571	}
1189		1572
		1573	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1574
		1575	Expand crossfire pod fragments into protocol xml.
		1576
		1577	=cut
		1578
		1579	use re 'eval';
		1580
		1581	my $group;
		1582	my $interior; $interior = qr{
		1583	# match a pod interior sequence sans C<< >>
		1584	(?:
		1585	\ (.*?)\ (?{ $group = $^N })
		1586	| < (??{$interior}) >
		1587	)
		1588	}x;
		1589
		1590	sub expand_cfpod {
		1591	my ($self, $pod) = @_;
		1592
		1593	my $xml;
		1594
		1595	while () {
		1596	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1597	$group = $1;
		1598
		1599	$group =~ s/&/&amp;/g;
		1600	$group =~ s/</&lt;/g;
		1601
		1602	$xml .= $group;
		1603	} elsif ($pod =~ m%\G
		1604	([BCGHITU])
		1605	<
		1606	(?:
		1607	([^<>]*) (?{ $group = $^N })
		1608	| < $interior >
		1609	)
		1610	>
		1611	%gcsx
		1612	) {
		1613	my ($code, $data) = ($1, $group);
		1614
		1615	if ($code eq "B") {
		1616	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1617	} elsif ($code eq "I") {
		1618	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1619	} elsif ($code eq "U") {
		1620	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1621	} elsif ($code eq "C") {
		1622	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1623	} elsif ($code eq "T") {
		1624	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1625	} elsif ($code eq "G") {
		1626	my ($male, $female) = split /\|/, $data;
		1627	$data = $self->gender ? $female : $male;
		1628	$xml .= expand_cfpod ($self, $data);
		1629	} elsif ($code eq "H") {
		1630	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1631	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1632	"")
		1633	[$self->{hintmode}];
		1634	} else {
		1635	$xml .= "error processing '$code($data)' directive";
		1636	}
		1637	} else {
		1638	if ($pod =~ /\G(.+)/) {
		1639	warn "parse error while expanding $pod (at $1)";
		1640	}
		1641	last;
		1642	}
		1643	}
		1644
		1645	for ($xml) {
		1646	# create single paragraphs (very hackish)
		1647	s/(?<=\S)\n(?=\w)/ /g;
		1648
		1649	# compress some whitespace
		1650	s/\s+\n/\n/g; # ws line-ends
		1651	s/\n\n+/\n/g; # double lines
		1652	s/^\n+//; # beginning lines
		1653	s/\n+$//; # ending lines
		1654	}
		1655
		1656	$xml
		1657	}
		1658
		1659	no re 'eval';
		1660
		1661	sub hintmode {
		1662	$_[0]{hintmode} = $_[1] if @_ > 1;
		1663	$_[0]{hintmode}
		1664	}
		1665
1190	=item $player->ext_reply ($msgid, %msg)	1666	=item $player->ext_reply ($msgid, @msg)
1191		1667
1192	Sends an ext reply to the player.	1668	Sends an ext reply to the player.
1193		1669
1194	=cut	1670	=cut
1195		1671
1196	sub ext_reply($$%) {	1672	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1673	my ($self, $id, @msg) = @_;
1198		1674
1199	$msg{msgid} = $id;	1675	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1676	}
1203		1677
1204	=item $player->ext_event ($type, %msg)	1678	=item $player->ext_msg ($type, @msg)
1205		1679
1206	Sends an ext event to the client.	1680	Sends an ext event to the client.
1207		1681
1208	=cut	1682	=cut
1209		1683
1210	sub ext_event($$%) {	1684	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1685	my ($self, $type, @msg) = @_;
1212		1686
1213	$self->ns->ext_event ($type, %msg);	1687	$self->ns->ext_msg ($type, @msg);
1214	}	1688	}
1215		1689
1216	=head3 cf::region	1690	=head3 cf::region
1217		1691
1218	=over 4	1692	=over 4
…		…
1221		1695
1222	package cf::region;	1696	package cf::region;
1223		1697
1224	=item cf::region::find_by_path $path	1698	=item cf::region::find_by_path $path
1225		1699
1226	Tries to decuce the probable region for a map knowing only its path.	1700	Tries to decuce the likely region for a map knowing only its path.
1227		1701
1228	=cut	1702	=cut
1229		1703
1230	sub find_by_path($) {	1704	sub find_by_path($) {
1231	my ($path) = @_;	1705	my ($path) = @_;
1232		1706
1233	my ($match, $specificity);	1707	my ($match, $specificity);
1234		1708
1235	for my $region (list) {	1709	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1710	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1711	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1712	if $region->specificity > $specificity;
1239	}	1713	}
1240	}	1714	}
1241		1715
…		…
1361	$self->init; # pass $1 etc.	1835	$self->init; # pass $1 etc.
1362	return $self;	1836	return $self;
1363	}	1837	}
1364	}	1838	}
1365		1839
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1840	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1841	()
1368	}	1842	}
1369		1843
1370	sub init {	1844	sub init {
1371	my ($self) = @_;	1845	my ($self) = @_;
…		…
1434		1908
1435	sub load_header_from($) {	1909	sub load_header_from($) {
1436	my ($self, $path) = @_;	1910	my ($self, $path) = @_;
1437		1911
1438	utf8::encode $path;	1912	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1913	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1914	or return;
		1915
		1916	$self->_load_header ($f)
		1917	or return;
		1918
		1919	local $MAP_LOADING{$self->{path}} = $self;
		1920	$f->resolve_delayed_derefs;
1444		1921
1445	$self->{load_path} = $path;	1922	$self->{load_path} = $path;
1446		1923
1447	1	1924	1
1448	}	1925	}
…		…
1502	sub find {	1979	sub find {
1503	my ($path, $origin) = @_;	1980	my ($path, $origin) = @_;
1504		1981
1505	$path = normalise $path, $origin && $origin->path;	1982	$path = normalise $path, $origin && $origin->path;
1506		1983
		1984	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1985	cf::lock_wait "map_find:$path";
1508		1986
1509	$cf::MAP{$path} || do {	1987	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";	1988	my $guard1 = cf::lock_acquire "map_find:$path";
		1989	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1990
1511	my $map = new_from_path cf::map $path	1991	my $map = new_from_path cf::map $path
1512	or return;	1992	or return;
1513		1993
1514	$map->{last_save} = $cf::RUNTIME;	1994	$map->{last_save} = $cf::RUNTIME;
1515		1995
…		…
1517	or return;	1997	or return;
1518		1998
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1999	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2000	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2001	#$cf::WAIT_FOR_TICK->wait;
		2002	undef $guard1;
		2003	undef $guard2;
1522	$map->reset;	2004	$map->reset;
1523	undef $guard;
1524	return find $path;	2005	return find $path;
1525	}	2006	}
1526		2007
1527	$cf::MAP{$path} = $map	2008	$cf::MAP{$path} = $map
1528	}	2009	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	2018	local $self->{deny_reset} = 1; # loading can take a long time
1538		2019
1539	my $path = $self->{path};	2020	my $path = $self->{path};
1540		2021
1541	{	2022	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2023	my $guard = cf::lock_acquire "map_data:$path";
1543		2024
		2025	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2026	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2027
1546	$self->in_memory (cf::MAP_LOADING);	2028	$self->in_memory (cf::MAP_LOADING);
1547		2029
1548	$self->alloc;	2030	$self->alloc;
1549		2031
1550	$self->pre_load;	2032	$self->pre_load;
1551	Coro::cede;	2033	cf::cede_to_tick;
1552		2034
		2035	my $f = new_from_file cf::object::thawer $self->{load_path};
		2036	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2037	$self->_load_objects ($f)
1554	or return;	2038	or return;
1555		2039
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2040	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557	if delete $self->{load_original};	2041	if delete $self->{load_original};
1558		2042
1559	if (my $uniq = $self->uniq_path) {	2043	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2044	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2045	unless (aio_stat $uniq) {
		2046	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2047	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2048	$self->_load_objects ($f);
		2049	$f->resolve_delayed_derefs;
		2050	}
1564	}	2051	}
1565	}	2052	}
1566		2053
1567	Coro::cede;	2054	$f->resolve_delayed_derefs;
		2055
		2056	cf::cede_to_tick;
1568	# now do the right thing for maps	2057	# now do the right thing for maps
1569	$self->link_multipart_objects;	2058	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2059	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2060	unless $self->difficulty;
1572	Coro::cede;	2061	cf::cede_to_tick;
1573		2062
1574	unless ($self->{deny_activate}) {	2063	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2064	$self->decay_objects;
1576	$self->fix_auto_apply;	2065	$self->fix_auto_apply;
1577	$self->update_buttons;	2066	$self->update_buttons;
1578	Coro::cede;	2067	cf::cede_to_tick;
1579	$self->set_darkness_map;	2068	$self->set_darkness_map;
1580	Coro::cede;	2069	cf::cede_to_tick;
1581	$self->activate;	2070	$self->activate;
1582	}	2071	}
		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
1583		2075
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_IN_MEMORY);
1585	}	2077	}
1586		2078
1587	$self->post_load;	2079	$self->post_load;
…		…
1598		2090
1599	$self	2091	$self
1600	}	2092	}
1601		2093
1602	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2095	sub load_neighbours {
1604	my ($map) = @_;	2096	my ($map) = @_;
1605		2097
1606	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1607		2099
1608	for (0 .. 3) {	2100	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1610	or next;	2102	or next;
1611	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1612	or next;	2104	or next;
1613	$neigh->load;	2105	$neigh->load;
1614		2106
		2107	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2110	}
1618		2111
1619	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1621	or next;	2115	or next;
1622	$neigh->load;	2116	$neigh->load;
1623	}	2117	}
1624	}	2118	}
1625		2119
…		…
1630	}	2124	}
1631		2125
1632	sub do_load_sync {	2126	sub do_load_sync {
1633	my ($map) = @_;	2127	my ($map) = @_;
1634		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1635	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1636	}	2133	}
1637		2134
1638	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1640		2137
1641	sub find_async {	2138	sub find_async {
1642	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1643		2140
1644	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1645		2142
1646	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1648	}	2145	}
1649		2146
1650	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1651	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1652	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2154	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2155	$map->load if $v;
		2156	}
1657		2157
1658	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1659	}	2159	}
1660	}	2160	}
1661	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1662	};	2162	};
1663	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2166	}
1667		2167
1668	sub save {	2168	sub save {
1669	my ($self) = @_;	2169	my ($self) = @_;
1670		2170
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2172
1673	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1674		2174
1675	return unless $self->dirty;	2175	return unless $self->dirty;
1676		2176
…		…
1682	return if $self->{deny_save};	2182	return if $self->{deny_save};
1683		2183
1684	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1685		2185
1686	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1688	};	2189	};
1689		2190
1690	if ($uniq) {	2191	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2192	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1699	my ($self) = @_;	2200	my ($self) = @_;
1700		2201
1701	# save first because save cedes	2202	# save first because save cedes
1702	$self->save;	2203	$self->save;
1703		2204
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2205	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2206
1706	return if $self->players;	2207	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2208	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};	2209	return if $self->{deny_save};
1709		2210
		2211	$self->in_memory (cf::MAP_SWAPPED);
		2212
		2213	$self->deactivate;
		2214	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2215	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2216	}
1713		2217
1714	sub reset_at {	2218	sub reset_at {
1715	my ($self) = @_;	2219	my ($self) = @_;
1716		2220
…		…
1748	if $uniq;	2252	if $uniq;
1749	}	2253	}
1750		2254
1751	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1752		2256
		2257	$self->deactivate;
		2258	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2259	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2260
1757	$self->unlink_save;	2261	$self->unlink_save;
1758	$self->destroy;	2262	$self->destroy;
1759	}	2263	}
1760		2264
1761	my $nuke_counter = "aaaa";	2265	my $nuke_counter = "aaaa";
1762		2266
1763	sub nuke {	2267	sub nuke {
1764	my ($self) = @_;	2268	my ($self) = @_;
1765		2269
		2270	{
		2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2272
1766	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1767		2274
1768	$self->unlink_save;	2275	$self->unlink_save;
1769		2276
1770	bless $self, "cf::map";	2277	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2278	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2279	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2280	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2281	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2282
1776	$cf::MAP{$self->path} = $self;	2283	$cf::MAP{$self->path} = $self;
		2284	}
1777		2285
1778	$self->reset; # polite request, might not happen	2286	$self->reset; # polite request, might not happen
1779	}	2287	}
1780		2288
1781	=item $maps = cf::map::tmp_maps	2289	=item $maps = cf::map::tmp_maps
…		…
1857		2365
1858	sub inv_recursive {	2366	sub inv_recursive {
1859	inv_recursive_ inv $_[0]	2367	inv_recursive_ inv $_[0]
1860	}	2368	}
1861		2369
		2370	=item $ref = $ob->ref
		2371
		2372	creates and returns a persistent reference to an objetc that can be stored as a string.
		2373
		2374	=item $ob = cf::object::deref ($refstring)
		2375
		2376	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2377	even if the object actually exists. May block.
		2378
		2379	=cut
		2380
		2381	sub deref {
		2382	my ($ref) = @_;
		2383
		2384	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2385	my ($uuid, $name) = ($1, $2);
		2386	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2387	or return;
		2388	$pl->ob->uuid eq $uuid
		2389	or return;
		2390
		2391	$pl->ob
		2392	} else {
		2393	warn "$ref: cannot resolve object reference\n";
		2394	undef
		2395	}
		2396	}
		2397
1862	package cf;	2398	package cf;
1863		2399
1864	=back	2400	=back
1865		2401
1866	=head3 cf::object::player	2402	=head3 cf::object::player
…		…
1883		2419
1884	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1885		2421
1886	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1887	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1888	} else {	2425	} else {
		2426	my $pl = $self->contr;
		2427
		2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2429	my $dialog = $pl->{npc_dialog};
		2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2431
		2432	} else {
1889	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1890	$self->message ($msg, $flags);	2434	$self->message ($msg, $flags);
		2435	}
1891	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
1892	}	2447	}
1893		2448
1894	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1895		2450
1896	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1975	# use -1 or undef as default coordinates, not 0, 0	2530	# use -1 or undef as default coordinates, not 0, 0
1976	($x, $y) = ($map->enter_x, $map->enter_y)	2531	($x, $y) = ($map->enter_x, $map->enter_y)
1977	if $x <=0 && $y <= 0;	2532	if $x <=0 && $y <= 0;
1978		2533
1979	$map->load;	2534	$map->load;
1980	$map->load_diag;	2535	$map->load_neighbours;
1981		2536
1982	return unless $self->contr->active;	2537	return unless $self->contr->active;
1983	$self->activate_recursive;	2538	$self->activate_recursive;
1984		2539
1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1986	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1987	}	2542	}
1988		2543
1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1990		2545
1991	Moves the player to the given map-path and coordinates by first freezing	2546	Moves the player to the given map-path and coordinates by first freezing
1992	her, loading and preparing them map, calling the provided $check callback	2547	her, loading and preparing them map, calling the provided $check callback
1993	that has to return the map if sucecssful, and then unfreezes the player on	2548	that has to return the map if sucecssful, and then unfreezes the player on
1994	the new (success) or old (failed) map position.	2549	the new (success) or old (failed) map position. In either case, $done will
		2550	be called at the end of this process.
1995		2551
1996	=cut	2552	=cut
1997		2553
1998	our $GOTOGEN;	2554	our $GOTOGEN;
1999		2555
2000	sub cf::object::player::goto {	2556	sub cf::object::player::goto {
2001	my ($self, $path, $x, $y, $check) = @_;	2557	my ($self, $path, $x, $y, $check, $done) = @_;
2002		2558
2003	# do generation counting so two concurrent goto's will be executed in-order	2559	# do generation counting so two concurrent goto's will be executed in-order
2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2560	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2005		2561
2006	$self->enter_link;	2562	$self->enter_link;
2007		2563
2008	(async {	2564	(async {
		2565	$Coro::current->{desc} = "player::goto $path $x $y";
		2566
		2567	# *tag paths override both path and x|y
		2568	if ($path =~ /^\*(.*)$/) {
		2569	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2570	my $ob = $obs[rand @obs];
		2571
		2572	# see if we actually can go there
		2573	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2574	$ob = $obs[rand @obs];
		2575	} else {
		2576	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2577	}
		2578	# else put us there anyways for now #d#
		2579
		2580	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2581	} else {
		2582	($path, $x, $y) = (undef, undef, undef);
		2583	}
		2584	}
		2585
2009	my $map = eval {	2586	my $map = eval {
2010	my $map = cf::map::find $path;	2587	my $map = defined $path ? cf::map::find $path : undef;
2011		2588
2012	if ($map) {	2589	if ($map) {
2013	$map = $map->customise_for ($self);	2590	$map = $map->customise_for ($self);
2014	$map = $check->($map) if $check && $map;	2591	$map = $check->($map) if $check && $map;
2015	} else {	2592	} else {
2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2593	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2017	}	2594	}
2018		2595
2019	$map	2596	$map
2020	};	2597	};
2021		2598
…		…
2026		2603
2027	if ($gen == $self->{_goto_generation}) {	2604	if ($gen == $self->{_goto_generation}) {
2028	delete $self->{_goto_generation};	2605	delete $self->{_goto_generation};
2029	$self->leave_link ($map, $x, $y);	2606	$self->leave_link ($map, $x, $y);
2030	}	2607	}
		2608
		2609	$done->() if $done;
2031	})->prio (1);	2610	})->prio (1);
2032	}	2611	}
2033		2612
2034	=item $player_object->enter_exit ($exit_object)	2613	=item $player_object->enter_exit ($exit_object)
2035		2614
…		…
2072	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
2073	}	2652	}
2074		2653
2075	$rmp->{random_seed} ||= $exit->random_seed;	2654	$rmp->{random_seed} ||= $exit->random_seed;
2076		2655
2077	my $data = cf::to_json $rmp;	2656	my $data = cf::encode_json $rmp;
2078	my $md5 = Digest::MD5::md5_hex $data;	2657	my $md5 = Digest::MD5::md5_hex $data;
2079	my $meta = "$RANDOMDIR/$md5.meta";	2658	my $meta = "$RANDOMDIR/$md5.meta";
2080		2659
2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2660	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2082	aio_write $fh, 0, (length $data), $data, 0;	2661	aio_write $fh, 0, (length $data), $data, 0;
…		…
2104	my $hp = $exit->stats->hp;	2683	my $hp = $exit->stats->hp;
2105	my $sp = $exit->stats->sp;	2684	my $sp = $exit->stats->sp;
2106		2685
2107	$self->enter_link;	2686	$self->enter_link;
2108		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($slaying, $hp, $sp)
		2690	if $exit->flag (FLAG_DAMNED);
		2691
2109	(async {	2692	(async {
		2693	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2694
2110	$self->deactivate_recursive; # just to be sure	2695	$self->deactivate_recursive; # just to be sure
2111	unless (eval {	2696	unless (eval {
2112	$self->goto ($slaying, $hp, $sp);	2697	$self->goto ($slaying, $hp, $sp);
2113		2698
2114	1;	2699	1;
…		…
2140		2725
2141	utf8::encode $text;	2726	utf8::encode $text;
2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2143	}	2728	}
2144		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/uptime" => {
		2778	id => "infobox",
		2779	title => "Uptime",
		2780	reply => undef,
		2781	tooltip => "How long the server has been running since last restart",
		2782	},
		2783	"c/mapinfo" => {
		2784	id => "infobox",
		2785	title => "Map Info",
		2786	reply => undef,
		2787	tooltip => "Information related to the maps",
		2788	},
		2789	);
		2790
		2791	sub cf::client::send_msg {
		2792	my ($self, $channel, $msg, $color, @extra) = @_;
		2793
		2794	$msg = $self->pl->expand_cfpod ($msg);
		2795
		2796	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2797
		2798	# check predefined channels, for the benefit of C
		2799	if ($CHANNEL{$channel}) {
		2800	$channel = $CHANNEL{$channel};
		2801
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804
		2805	$channel = $channel->{id};
		2806
		2807	} elsif (ref $channel) {
		2808	# send meta info to client, if not yet sent
		2809	unless (exists $self->{channel}{$channel->{id}}) {
		2810	$self->{channel}{$channel->{id}} = $channel;
		2811	$self->ext_msg (channel_info => $channel)
		2812	if $self->can_msg;
		2813	}
		2814
		2815	$channel = $channel->{id};
		2816	}
		2817
		2818	return unless @extra || length $msg;
		2819
		2820	if ($self->can_msg) {
		2821	# default colour, mask it out
		2822	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2823	if $color & cf::NDI_DEF;
		2824
		2825	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2827	} else {
		2828	if ($color >= 0) {
		2829	# replace some tags by gcfclient-compatible ones
		2830	for ($msg) {
		2831	1 while
		2832	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2833	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2834	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2835	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2836	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2837	}
		2838
		2839	$color &= cf::NDI_COLOR_MASK;
		2840
		2841	utf8::encode $msg;
		2842
		2843	if (0 && $msg =~ /\[/) {
		2844	# COMMAND/INFO
		2845	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2846	} else {
		2847	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2848	$self->send_packet ("drawinfo $color $msg")
		2849	}
		2850	}
		2851	}
		2852	}
		2853
2145	=item $client->ext_event ($type, %msg)	2854	=item $client->ext_msg ($type, @msg)
2146		2855
2147	Sends an exti event to the client.	2856	Sends an ext event to the client.
2148		2857
2149	=cut	2858	=cut
2150		2859
2151	sub cf::client::ext_event($$%) {	2860	sub cf::client::ext_msg($$@) {
2152	my ($self, $type, %msg) = @_;	2861	my ($self, $type, @msg) = @_;
2153		2862
		2863	if ($self->extcmd == 2) {
		2864	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2865	} elsif ($self->extcmd == 1) { # TODO: remove
2154	$msg{msgtype} = "event_$type";	2866	push @msg, msgtype => "event_$type";
2155	$self->send_packet ("ext " . cf::to_json \%msg);	2867	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2868	}
		2869	}
		2870
		2871	=item $client->ext_reply ($msgid, @msg)
		2872
		2873	Sends an ext reply to the client.
		2874
		2875	=cut
		2876
		2877	sub cf::client::ext_reply($$@) {
		2878	my ($self, $id, @msg) = @_;
		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2882	} elsif ($self->extcmd == 1) {
		2883	#TODO: version 1, remove
		2884	unshift @msg, msgtype => "reply", msgid => $id;
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2886	}
2156	}	2887	}
2157		2888
2158	=item $success = $client->query ($flags, "text", \&cb)	2889	=item $success = $client->query ($flags, "text", \&cb)
2159		2890
2160	Queues a query to the client, calling the given callback with	2891	Queues a query to the client, calling the given callback with
2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2892	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2162	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2893	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2163		2894
2164	Queries can fail, so check the return code. Or don't, as queries will become	2895	Queries can fail, so check the return code. Or don't, as queries will
2165	reliable at some point in the future.	2896	become reliable at some point in the future.
2166		2897
2167	=cut	2898	=cut
2168		2899
2169	sub cf::client::query {	2900	sub cf::client::query {
2170	my ($self, $flags, $text, $cb) = @_;	2901	my ($self, $flags, $text, $cb) = @_;
…		…
2178	utf8::encode $text;	2909	utf8::encode $text;
2179	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2910	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2180		2911
2181	$self->send_packet ($self->{query_queue}[0][0])	2912	$self->send_packet ($self->{query_queue}[0][0])
2182	if @{ $self->{query_queue} } == 1;	2913	if @{ $self->{query_queue} } == 1;
		2914
		2915	1
2183	}	2916	}
2184		2917
2185	cf::client->attach (	2918	cf::client->attach (
		2919	on_connect => sub {
		2920	my ($ns) = @_;
		2921
		2922	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2923	},
2186	on_reply => sub {	2924	on_reply => sub {
2187	my ($ns, $msg) = @_;	2925	my ($ns, $msg) = @_;
2188		2926
2189	# this weird shuffling is so that direct followup queries	2927	# this weird shuffling is so that direct followup queries
2190	# get handled first	2928	# get handled first
…		…
2202	} else {	2940	} else {
2203	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2941	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2204	}	2942	}
2205	}	2943	}
2206	},	2944	},
		2945	on_exticmd => sub {
		2946	my ($ns, $buf) = @_;
		2947
		2948	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2949
		2950	if (ref $msg) {
		2951	my ($type, $reply, @payload) =
		2952	"ARRAY" eq ref $msg
		2953	? @$msg
		2954	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2955
		2956	my @reply;
		2957
		2958	if (my $cb = $EXTICMD{$type}) {
		2959	@reply = $cb->($ns, @payload);
		2960	}
		2961
		2962	$ns->ext_reply ($reply, @reply)
		2963	if $reply;
		2964
		2965	} else {
		2966	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2967	}
		2968
		2969	cf::override;
		2970	},
2207	);	2971	);
2208		2972
2209	=item $client->async (\&cb)	2973	=item $client->async (\&cb)
2210		2974
2211	Create a new coroutine, running the specified callback. The coroutine will	2975	Create a new coroutine, running the specified callback. The coroutine will
…		…
2252	our $safe = new Safe "safe";	3016	our $safe = new Safe "safe";
2253	our $safe_hole = new Safe::Hole;	3017	our $safe_hole = new Safe::Hole;
2254		3018
2255	$SIG{FPE} = 'IGNORE';	3019	$SIG{FPE} = 'IGNORE';
2256		3020
2257	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3021	$safe->permit_only (Opcode::opset qw(
		3022	:base_core :base_mem :base_orig :base_math
		3023	grepstart grepwhile mapstart mapwhile
		3024	sort time
		3025	));
2258		3026
2259	# here we export the classes and methods available to script code	3027	# here we export the classes and methods available to script code
2260		3028
2261	=pod	3029	=pod
2262		3030
2263	The following functions and methods are available within a safe environment:	3031	The following functions and methods are available within a safe environment:
2264		3032
2265	cf::object contr pay_amount pay_player map	3033	cf::object
		3034	contr pay_amount pay_player map x y force_find force_add destroy
		3035	insert remove name archname title slaying race decrease_ob_nr
		3036
2266	cf::object::player player	3037	cf::object::player
2267	cf::player peaceful	3038	player
2268	cf::map trigger	3039
		3040	cf::player
		3041	peaceful
		3042
		3043	cf::map
		3044	trigger
2269		3045
2270	=cut	3046	=cut
2271		3047
2272	for (	3048	for (
2273	["cf::object" => qw(contr pay_amount pay_player map)],	3049	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3050	insert remove inv name archname title slaying race
		3051	decrease_ob_nr destroy)],
2274	["cf::object::player" => qw(player)],	3052	["cf::object::player" => qw(player)],
2275	["cf::player" => qw(peaceful)],	3053	["cf::player" => qw(peaceful)],
2276	["cf::map" => qw(trigger)],	3054	["cf::map" => qw(trigger)],
2277	) {	3055	) {
2278	no strict 'refs';	3056	no strict 'refs';
…		…
2349	=back	3127	=back
2350		3128
2351	=cut	3129	=cut
2352		3130
2353	#############################################################################	3131	#############################################################################
2354
2355	=head2 EXTENSION DATABASE SUPPORT
2356
2357	Crossfire maintains a very simple database for extension use. It can
2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2359	convert to/from binary).
2360
2361	The parameter C<$family> should best start with the name of the extension
2362	using it, it should be unique.
2363
2364	=over 4
2365
2366	=item $value = cf::db_get $family => $key
2367
2368	Returns a single value from the database.
2369
2370	=item cf::db_put $family => $key => $value
2371
2372	Stores the given C<$value> in the family.
2373
2374	=cut
2375
2376	our $DB;
2377
2378	sub db_init {
2379	unless ($DB) {
2380	$DB = BDB::db_create $DB_ENV;
2381
2382	cf::sync_job {
2383	eval {
2384	$DB->set_flags (BDB::CHKSUM);
2385
2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2388	cf::cleanup "db_open(db): $!" if $!;
2389	};
2390	cf::cleanup "db_open(db): $@" if $@;
2391	};
2392	}
2393	}
2394
2395	sub db_get($$) {
2396	my $key = "$_[0]/$_[1]";
2397
2398	cf::sync_job {
2399	BDB::db_get $DB, undef, $key, my $data;
2400
2401	$! ? ()
2402	: $data
2403	}
2404	}
2405
2406	sub db_put($$$) {
2407	BDB::dbreq_pri 4;
2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2409	}
2410
2411	=item cf::cache $id => [$paths...], $processversion => $process
2412
2413	Generic caching function that returns the value of the resource $id,
2414	caching and regenerating as required.
2415
2416	This function can block.
2417
2418	=cut
2419
2420	sub cache {
2421	my ($id, $src, $processversion, $process) = @_;
2422
2423	my $meta =
2424	join "\x00",
2425	$processversion,
2426	map {
2427	aio_stat $_
2428	and Carp::croak "$_: $!";
2429
2430	($_, (stat _)[7,9])
2431	} @$src;
2432
2433	my $dbmeta = db_get cache => "$id/meta";
2434	if ($dbmeta ne $meta) {
2435	# changed, we may need to process
2436
2437	my @data;
2438	my $md5;
2439
2440	for (0 .. $#$src) {
2441	0 <= aio_load $src->[$_], $data[$_]
2442	or Carp::croak "$src->[$_]: $!";
2443	}
2444
2445	# if processing is expensive, check
2446	# checksum first
2447	if (1) {
2448	$md5 =
2449	join "\x00",
2450	$processversion,
2451	map {
2452	Coro::cede;
2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
2454	} 0.. $#$src;
2455
2456
2457	my $dbmd5 = db_get cache => "$id/md5";
2458	if ($dbmd5 eq $md5) {
2459	db_put cache => "$id/meta", $meta;
2460
2461	return db_get cache => "$id/data";
2462	}
2463	}
2464
2465	my $t1 = Time::HiRes::time;
2466	my $data = $process->(\@data);
2467	my $t2 = Time::HiRes::time;
2468
2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2470
2471	db_put cache => "$id/data", $data;
2472	db_put cache => "$id/md5" , $md5;
2473	db_put cache => "$id/meta", $meta;
2474
2475	return $data;
2476	}
2477
2478	db_get cache => "$id/data"
2479	}
2480
2481	=item fork_call { }, $args
2482
2483	Executes the given code block with the given arguments in a seperate
2484	process, returning the results. Everything must be serialisable with
2485	Coro::Storable. May, of course, block. Note that the executed sub may
2486	never block itself or use any form of Event handling.
2487
2488	=cut
2489
2490	sub fork_call(&@) {
2491	my ($cb, @args) = @_;
2492
2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2494	# or die "socketpair: $!";
2495	pipe my $fh1, my $fh2
2496	or die "pipe: $!";
2497
2498	if (my $pid = fork) {
2499	close $fh2;
2500
2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2502	$res = Coro::Storable::thaw $res;
2503
2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2505
2506	die $$res unless "ARRAY" eq ref $res;
2507
2508	return wantarray ? @$res : $res->[-1];
2509	} else {
2510	reset_signals;
2511	local $SIG{__WARN__};
2512	local $SIG{__DIE__};
2513	eval {
2514	close $fh1;
2515
2516	my @res = eval { $cb->(@args) };
2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2518	};
2519
2520	warn $@ if $@;
2521	_exit 0;
2522	}
2523	}
2524
2525	#############################################################################
2526	# the server's init and main functions	3132	# the server's init and main functions
2527		3133
2528	sub load_facedata($) {	3134	sub load_facedata($) {
2529	my ($path) = @_;	3135	my ($path) = @_;
		3136
		3137	# HACK to clear player env face cache, we need some signal framework
		3138	# for this (global event?)
		3139	%ext::player_env::MUSIC_FACE_CACHE = ();
		3140
		3141	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2530		3142
2531	warn "loading facedata from $path\n";	3143	warn "loading facedata from $path\n";
2532		3144
2533	my $facedata;	3145	my $facedata;
2534	0 < aio_load $path, $facedata	3146	0 < aio_load $path, $facedata
…		…
2537	$facedata = Coro::Storable::thaw $facedata;	3149	$facedata = Coro::Storable::thaw $facedata;
2538		3150
2539	$facedata->{version} == 2	3151	$facedata->{version} == 2
2540	or cf::cleanup "$path: version mismatch, cannot proceed.";	3152	or cf::cleanup "$path: version mismatch, cannot proceed.";
2541		3153
		3154	# patch in the exptable
		3155	$facedata->{resource}{"res/exp_table"} = {
		3156	type => FT_RSRC,
		3157	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3158	};
		3159	cf::cede_to_tick;
		3160
2542	{	3161	{
2543	my $faces = $facedata->{faceinfo};	3162	my $faces = $facedata->{faceinfo};
2544		3163
2545	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3165	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3166
2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3167	cf::face::set_visibility $idx, $info->{visibility};
		3168	cf::face::set_magicmap $idx, $info->{magicmap};
2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3169	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3170	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2550	Coro::cede;	3171
		3172	cf::cede_to_tick;
2551	}	3173	}
2552		3174
2553	while (my ($face, $info) = each %$faces) {	3175	while (my ($face, $info) = each %$faces) {
2554	next unless $info->{smooth};	3176	next unless $info->{smooth};
		3177
2555	my $idx = cf::face::find $face	3178	my $idx = cf::face::find $face
2556	or next;	3179	or next;
		3180
2557	if (my $smooth = cf::face::find $info->{smooth}) {	3181	if (my $smooth = cf::face::find $info->{smooth}) {
		3182	cf::face::set_smooth $idx, $smooth;
2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3183	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2559	} else {	3184	} else {
2560	warn "smooth face '$info->{smooth}' not found for face '$face'";	3185	warn "smooth face '$info->{smooth}' not found for face '$face'";
2561	}	3186	}
2562	Coro::cede;	3187
		3188	cf::cede_to_tick;
2563	}	3189	}
2564	}	3190	}
2565		3191
2566	{	3192	{
2567	my $anims = $facedata->{animinfo};	3193	my $anims = $facedata->{animinfo};
2568		3194
2569	while (my ($anim, $info) = each %$anims) {	3195	while (my ($anim, $info) = each %$anims) {
2570	cf::anim::set $anim, $info->{frames}, $info->{facings};	3196	cf::anim::set $anim, $info->{frames}, $info->{facings};
2571	Coro::cede;	3197	cf::cede_to_tick;
2572	}	3198	}
2573		3199
2574	cf::anim::invalidate_all; # d'oh	3200	cf::anim::invalidate_all; # d'oh
2575	}	3201	}
2576		3202
		3203	{
		3204	# TODO: for gcfclient pleasure, we should give resources
		3205	# that gcfclient doesn't grok a >10000 face index.
		3206	my $res = $facedata->{resource};
		3207
		3208	while (my ($name, $info) = each %$res) {
		3209	if (defined $info->{type}) {
		3210	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3211	my $data;
		3212
		3213	if ($info->{type} & 1) {
		3214	# prepend meta info
		3215
		3216	my $meta = $enc->encode ({
		3217	name => $name,
		3218	%{ $info->{meta} || {} },
		3219	});
		3220
		3221	$data = pack "(w/a*)*", $meta, $info->{data};
		3222	} else {
		3223	$data = $info->{data};
		3224	}
		3225
		3226	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3227	cf::face::set_type $idx, $info->{type};
		3228	} else {
		3229	$RESOURCE{$name} = $info;
		3230	}
		3231
		3232	cf::cede_to_tick;
		3233	}
		3234	}
		3235
		3236	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3237
2577	1	3238	1
2578	}	3239	}
2579		3240
		3241	cf::global->attach (on_resource_update => sub {
		3242	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3243	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3244
		3245	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3246	my $sound = $soundconf->{compat}[$_]
		3247	or next;
		3248
		3249	my $face = cf::face::find "sound/$sound->[1]";
		3250	cf::sound::set $sound->[0] => $face;
		3251	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3252	}
		3253
		3254	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3255	my $face = cf::face::find "sound/$v";
		3256	cf::sound::set $k => $face;
		3257	}
		3258	}
		3259	});
		3260
		3261	register_exticmd fx_want => sub {
		3262	my ($ns, $want) = @_;
		3263
		3264	while (my ($k, $v) = each %$want) {
		3265	$ns->fx_want ($k, $v);
		3266	}
		3267	};
		3268
2580	sub reload_regions {	3269	sub reload_regions {
		3270	# HACK to clear player env face cache, we need some signal framework
		3271	# for this (global event?)
		3272	%ext::player_env::MUSIC_FACE_CACHE = ();
		3273
2581	load_resource_file "$MAPDIR/regions"	3274	load_resource_file "$MAPDIR/regions"
2582	or die "unable to load regions file\n";	3275	or die "unable to load regions file\n";
		3276
		3277	for (cf::region::list) {
		3278	$_->{match} = qr/$_->{match}/
		3279	if exists $_->{match};
		3280	}
2583	}	3281	}
2584		3282
2585	sub reload_facedata {	3283	sub reload_facedata {
2586	load_facedata "$DATADIR/facedata"	3284	load_facedata "$DATADIR/facedata"
2587	or die "unable to load facedata\n";	3285	or die "unable to load facedata\n";
2588	}	3286	}
2589		3287
2590	sub reload_archetypes {	3288	sub reload_archetypes {
		3289	load_resource_file "$DATADIR/archetypes"
		3290	or die "unable to load archetypes\n";
		3291	#d# NEED to laod twice to resolve forward references
		3292	# this really needs to be done in an extra post-pass
		3293	# (which needs to be synchronous, so solve it differently)
2591	load_resource_file "$DATADIR/archetypes"	3294	load_resource_file "$DATADIR/archetypes"
2592	or die "unable to load archetypes\n";	3295	or die "unable to load archetypes\n";
2593	}	3296	}
2594		3297
2595	sub reload_treasures {	3298	sub reload_treasures {
…		…
2611		3314
2612	sub init {	3315	sub init {
2613	reload_resources;	3316	reload_resources;
2614	}	3317	}
2615		3318
2616	sub cfg_load {	3319	sub reload_config {
2617	open my $fh, "<:utf8", "$CONFDIR/config"	3320	open my $fh, "<:utf8", "$CONFDIR/config"
2618	or return;	3321	or return;
2619		3322
2620	local $/;	3323	local $/;
2621	*CFG = YAML::Syck::Load <$fh>;	3324	*CFG = YAML::Load <$fh>;
2622		3325
2623	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3326	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2624		3327
2625	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3328	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2626	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3329	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2637	sub main {	3340	sub main {
2638	# we must not ever block the main coroutine	3341	# we must not ever block the main coroutine
2639	local $Coro::idle = sub {	3342	local $Coro::idle = sub {
2640	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3343	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2641	(async {	3344	(async {
2642	Event::one_event;	3345	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3346	EV::loop EV::LOOP_ONESHOT;
2643	})->prio (Coro::PRIO_MAX);	3347	})->prio (Coro::PRIO_MAX);
2644	};	3348	};
2645		3349
2646	cfg_load;	3350	reload_config;
2647	db_init;	3351	db_init;
2648	load_extensions;	3352	load_extensions;
2649		3353
2650	$TICK_WATCHER->start;	3354	$TICK_WATCHER->start;
		3355	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2651	Event::loop;	3356	EV::loop;
2652	}	3357	}
2653		3358
2654	#############################################################################	3359	#############################################################################
2655	# initialisation and cleanup	3360	# initialisation and cleanup
2656		3361
2657	# install some emergency cleanup handlers	3362	# install some emergency cleanup handlers
2658	BEGIN {	3363	BEGIN {
		3364	our %SIGWATCHER = ();
2659	for my $signal (qw(INT HUP TERM)) {	3365	for my $signal (qw(INT HUP TERM)) {
2660	Event->signal (	3366	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2661	reentrant => 0,
2662	data => WF_AUTOCANCEL,
2663	signal => $signal,
2664	prio => 0,
2665	cb => sub {
2666	cf::cleanup "SIG$signal";	3367	cf::cleanup "SIG$signal";
2667	},
2668	);	3368	};
		3369	}
		3370	}
		3371
		3372	sub write_runtime {
		3373	my $runtime = "$LOCALDIR/runtime";
		3374
		3375	# first touch the runtime file to show we are still running:
		3376	# the fsync below can take a very very long time.
		3377
		3378	IO::AIO::aio_utime $runtime, undef, undef;
		3379
		3380	my $guard = cf::lock_acquire "write_runtime";
		3381
		3382	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3383	or return;
		3384
		3385	my $value = $cf::RUNTIME + 90 + 10;
		3386	# 10 is the runtime save interval, for a monotonic clock
		3387	# 60 allows for the watchdog to kill the server.
		3388
		3389	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3390	and return;
		3391
		3392	# always fsync - this file is important
		3393	aio_fsync $fh
		3394	and return;
		3395
		3396	# touch it again to show we are up-to-date
		3397	aio_utime $fh, undef, undef;
		3398
		3399	close $fh
		3400	or return;
		3401
		3402	aio_rename "$runtime~", $runtime
		3403	and return;
		3404
		3405	warn "runtime file written.\n";
		3406
2669	}	3407	1
2670	}	3408	}
2671		3409
2672	sub emergency_save() {	3410	sub emergency_save() {
2673	my $freeze_guard = cf::freeze_mainloop;	3411	my $freeze_guard = cf::freeze_mainloop;
2674		3412
…		…
2680	# and maps saved/destroyed asynchronously.	3418	# and maps saved/destroyed asynchronously.
2681	warn "begin emergency player save\n";	3419	warn "begin emergency player save\n";
2682	for my $login (keys %cf::PLAYER) {	3420	for my $login (keys %cf::PLAYER) {
2683	my $pl = $cf::PLAYER{$login} or next;	3421	my $pl = $cf::PLAYER{$login} or next;
2684	$pl->valid or next;	3422	$pl->valid or next;
		3423	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2685	$pl->save;	3424	$pl->save;
2686	}	3425	}
2687	warn "end emergency player save\n";	3426	warn "end emergency player save\n";
2688		3427
2689	warn "begin emergency map save\n";	3428	warn "begin emergency map save\n";
…		…
2728	warn "syncing database to disk";	3467	warn "syncing database to disk";
2729	BDB::db_env_txn_checkpoint $DB_ENV;	3468	BDB::db_env_txn_checkpoint $DB_ENV;
2730		3469
2731	# if anything goes wrong in here, we should simply crash as we already saved	3470	# if anything goes wrong in here, we should simply crash as we already saved
2732		3471
2733	warn "cancelling all WF_AUTOCANCEL watchers";
2734	for (Event::all_watchers) {
2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2736	}
2737
2738	warn "flushing outstanding aio requests";	3472	warn "flushing outstanding aio requests";
2739	for (;;) {	3473	for (;;) {
2740	BDB::flush;	3474	BDB::flush;
2741	IO::AIO::flush;	3475	IO::AIO::flush;
2742	Coro::cede;	3476	Coro::cede_notself;
2743	last unless IO::AIO::nreqs || BDB::nreqs;	3477	last unless IO::AIO::nreqs || BDB::nreqs;
2744	warn "iterate...";	3478	warn "iterate...";
2745	}	3479	}
2746		3480
2747	++$RELOAD;	3481	++$RELOAD;
…		…
2751	%EXT_CORO = ();	3485	%EXT_CORO = ();
2752		3486
2753	warn "removing commands";	3487	warn "removing commands";
2754	%COMMAND = ();	3488	%COMMAND = ();
2755		3489
2756	warn "removing ext commands";	3490	warn "removing ext/exti commands";
2757	%EXTCMD = ();	3491	%EXTCMD = ();
		3492	%EXTICMD = ();
2758		3493
2759	warn "unloading/nuking all extensions";	3494	warn "unloading/nuking all extensions";
2760	for my $pkg (@EXTS) {	3495	for my $pkg (@EXTS) {
2761	warn "... unloading $pkg";	3496	warn "... unloading $pkg";
2762		3497
…		…
2805	warn "reloading cf.pm";	3540	warn "reloading cf.pm";
2806	require cf;	3541	require cf;
2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3542	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2808		3543
2809	warn "loading config and database again";	3544	warn "loading config and database again";
2810	cf::cfg_load;	3545	cf::reload_config;
2811		3546
2812	warn "loading extensions";	3547	warn "loading extensions";
2813	cf::load_extensions;	3548	cf::load_extensions;
2814		3549
2815	warn "reattaching attachments to objects/players";	3550	warn "reattaching attachments to objects/players";
…		…
2822	warn "leaving sync_job";	3557	warn "leaving sync_job";
2823		3558
2824	1	3559	1
2825	} or do {	3560	} or do {
2826	warn $@;	3561	warn $@;
2827	warn "error while reloading, exiting.";	3562	cf::cleanup "error while reloading, exiting.";
2828	exit 1;
2829	};	3563	};
2830		3564
2831	warn "reloaded";	3565	warn "reloaded";
2832	};	3566	};
2833		3567
…		…
2835		3569
2836	sub reload_perl() {	3570	sub reload_perl() {
2837	# doing reload synchronously and two reloads happen back-to-back,	3571	# doing reload synchronously and two reloads happen back-to-back,
2838	# coro crashes during coro_state_free->destroy here.	3572	# coro crashes during coro_state_free->destroy here.
2839		3573
2840	$RELOAD_WATCHER ||= Event->timer (	3574	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2841	reentrant => 0,
2842	after => 0,
2843	data => WF_AUTOCANCEL,
2844	cb => sub {
2845	do_reload_perl;	3575	do_reload_perl;
2846	undef $RELOAD_WATCHER;	3576	undef $RELOAD_WATCHER;
2847	},
2848	);	3577	};
2849	}	3578	}
2850		3579
2851	register_command "reload" => sub {	3580	register_command "reload" => sub {
2852	my ($who, $arg) = @_;	3581	my ($who, $arg) = @_;
2853		3582
2854	if ($who->flag (FLAG_WIZ)) {	3583	if ($who->flag (FLAG_WIZ)) {
2855	$who->message ("reloading server.");	3584	$who->message ("reloading server.");
		3585	async {
		3586	$Coro::current->{desc} = "perl_reload";
2856	async { reload_perl };	3587	reload_perl;
		3588	};
2857	}	3589	}
2858	};	3590	};
2859		3591
2860	unshift @INC, $LIBDIR;	3592	unshift @INC, $LIBDIR;
2861		3593
…		…
2880	my $signal = new Coro::Signal;	3612	my $signal = new Coro::Signal;
2881	push @WAIT_FOR_TICK_BEGIN, $signal;	3613	push @WAIT_FOR_TICK_BEGIN, $signal;
2882	$signal->wait;	3614	$signal->wait;
2883	}	3615	}
2884		3616
2885	my $min = 1e6;#d#	3617	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2886	my $avg = 10;
2887	$TICK_WATCHER = Event->timer (
2888	reentrant => 0,
2889	parked => 1,
2890	prio => 0,
2891	at => $NEXT_TICK || $TICK,
2892	data => WF_AUTOCANCEL,
2893	cb => sub {
2894	if ($Coro::current != $Coro::main) {	3618	if ($Coro::current != $Coro::main) {
2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3619	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2896	unless ++$bug_warning > 10;	3620	unless ++$bug_warning > 10;
2897	return;	3621	return;
2898	}	3622	}
2899		3623
2900	$NOW = $tick_start = Event::time;	3624	$NOW = $tick_start = EV::now;
2901		3625
2902	cf::server_tick; # one server iteration	3626	cf::server_tick; # one server iteration
2903		3627
2904	0 && sync_job {#d#	3628	$RUNTIME += $TICK;
2905	for(1..10) {	3629	$NEXT_TICK = $_[0]->at;
2906	my $t = Event::time;
2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2908	or die;
2909		3630
2910	$map->width (50);	3631	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2911	$map->height (50);	3632	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2912	$map->alloc;	3633	Coro::async_pool {
2913	$map->_load_objects ("/tmp/x.map", 1);	3634	$Coro::current->{desc} = "runtime saver";
2914	my $t = Event::time - $t;	3635	write_runtime
2915		3636	or warn "ERROR: unable to write runtime file: $!";
2916	#next unless $t < 0.0013;#d#
2917	if ($t < $min) {
2918	$min = $t;
2919	}
2920	$avg = $avg * 0.99 + $t * 0.01;
2921	}
2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2923	exit 0;
2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2925	};	3637	};
		3638	}
2926		3639
2927	$RUNTIME += $TICK;
2928	$NEXT_TICK += $TICK;
2929
2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
2932	Coro::async_pool {
2933	write_runtime
2934	or warn "ERROR: unable to write runtime file: $!";
2935	};
2936	}
2937
2938	# my $AFTER = Event::time;
2939	# warn $AFTER - $NOW;#d#
2940
2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3640	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2942	$sig->send;	3641	$sig->send;
2943	}	3642	}
2944	while (my $sig = shift @WAIT_FOR_TICK) {	3643	while (my $sig = shift @WAIT_FOR_TICK) {
2945	$sig->send;	3644	$sig->send;
2946	}	3645	}
2947		3646
2948	$NOW = Event::time;
2949
2950	# if we are delayed by four ticks or more, skip them all
2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2952
2953	$TICK_WATCHER->at ($NEXT_TICK);
2954	$TICK_WATCHER->start;
2955
2956	$LOAD = ($NOW - $tick_start) / $TICK;	3647	$LOAD = ($NOW - $tick_start) / $TICK;
2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3648	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2958		3649
2959	_post_tick;	3650	_post_tick;
2960		3651	};
2961		3652	$TICK_WATCHER->priority (EV::MAXPRI);
2962	},
2963	);
2964		3653
2965	{	3654	{
2966	BDB::max_poll_time $TICK * 0.1;	3655	# configure BDB
2967	$BDB_POLL_WATCHER = Event->io (	3656
2968	reentrant => 0,
2969	fd => BDB::poll_fileno,
2970	poll => 'r',
2971	prio => 0,
2972	data => WF_AUTOCANCEL,
2973	cb => \&BDB::poll_cb,
2974	);
2975	BDB::min_parallel 8;	3657	BDB::min_parallel 8;
2976		3658	BDB::max_poll_reqs $TICK * 0.1;
2977	BDB::set_sync_prepare {	3659	$Coro::BDB::WATCHER->priority (1);
2978	my $status;
2979	my $current = $Coro::current;
2980	(
2981	sub {
2982	$status = $!;
2983	$current->ready; undef $current;
2984	},
2985	sub {
2986	Coro::schedule while defined $current;
2987	$! = $status;
2988	},
2989	)
2990	};
2991		3660
2992	unless ($DB_ENV) {	3661	unless ($DB_ENV) {
2993	$DB_ENV = BDB::db_env_create;	3662	$DB_ENV = BDB::db_env_create;
		3663	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3664	| BDB::LOG_AUTOREMOVE, 1);
		3665	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3666	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2994		3667
2995	cf::sync_job {	3668	cf::sync_job {
2996	eval {	3669	eval {
2997	BDB::db_env_open	3670	BDB::db_env_open
2998	$DB_ENV,	3671	$DB_ENV,
…		…
3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3673	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3674	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3002	0666;	3675	0666;
3003		3676
3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3677	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3005
3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3007	$DB_ENV->set_lk_detect;
3008	};	3678	};
3009		3679
3010	cf::cleanup "db_env_open(db): $@" if $@;	3680	cf::cleanup "db_env_open(db): $@" if $@;
3011	};	3681	};
3012	}	3682	}
		3683
		3684	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3685	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3686	};
		3687	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3688	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3689	};
		3690	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3691	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3692	};
3013	}	3693	}
3014		3694
3015	{	3695	{
		3696	# configure IO::AIO
		3697
3016	IO::AIO::min_parallel 8;	3698	IO::AIO::min_parallel 8;
3017
3018	undef $Coro::AIO::WATCHER;
3019	IO::AIO::max_poll_time $TICK * 0.1;	3699	IO::AIO::max_poll_time $TICK * 0.1;
3020	$AIO_POLL_WATCHER = Event->io (	3700	$Coro::AIO::WATCHER->priority (1);
3021	reentrant => 0,
3022	data => WF_AUTOCANCEL,
3023	fd => IO::AIO::poll_fileno,
3024	poll => 'r',
3025	prio => 6,
3026	cb => \&IO::AIO::poll_cb,
3027	);
3028	}	3701	}
3029		3702
3030	my $_log_backtrace;	3703	my $_log_backtrace;
3031		3704
3032	sub _log_backtrace {	3705	sub _log_backtrace {
…		…
3036		3709
3037	# limit the # of concurrent backtraces	3710	# limit the # of concurrent backtraces
3038	if ($_log_backtrace < 2) {	3711	if ($_log_backtrace < 2) {
3039	++$_log_backtrace;	3712	++$_log_backtrace;
3040	async {	3713	async {
		3714	$Coro::current->{desc} = "abt $msg";
		3715
3041	my @bt = fork_call {	3716	my @bt = fork_call {
3042	@addr = map { sprintf "%x", $_ } @addr;	3717	@addr = map { sprintf "%x", $_ } @addr;
3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3718	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3719	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3045	or die "addr2line: $!";	3720	or die "addr2line: $!";

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