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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.251 by root, Wed Apr 18 14:45:13 2007 UTC vs.
Revision 1.358 by root, Fri Sep 7 18:10:52 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	63
		64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
60		75
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;	77	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
…		…
72	our %CFG;	87	our %CFG;
73		88
74	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	90	our $RUNTIME;
76		91
77	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		95
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
86	binmode STDOUT;	103	binmode STDOUT;
87	binmode STDERR;	104	binmode STDERR;
88		105
89	# read virtual server time, if available	106	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
92	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
93	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
94	}	111	}
95		112
96	mkdir cf::localdir;	113	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		115
103	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
104		117
105	sub cf::map::normalise;	118	sub cf::map::normalise;
106		119
…		…
117	=item $cf::RUNTIME	130	=item $cf::RUNTIME
118		131
119	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
120	every server tick.	133	every server tick.
121		134
122	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123		138
124	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
125	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
126		143
127	=item $cf::NOW	144	=item $cf::NOW
128		145
129	The time of the last (current) server tick.	146	The time of the last (current) server tick.
130		147
131	=item $cf::TICK	148	=item $cf::TICK
132		149
133	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
134		161
135	=item %cf::CFG	162	=item %cf::CFG
136		163
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
138	from wherever your confdir points to.	165	from wherever your confdir points to.
…		…
141		168
142	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
143	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
144	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.
145		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
146	=back	179	=back
147		180
148	=cut	181	=cut
149		182
150	BEGIN {	183	BEGIN {
…		…
152	my $msg = join "", @_;	185	my $msg = join "", @_;
153		186
154	$msg .= "\n"	187	$msg .= "\n"
155	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
156		189
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		191
159	utf8::encode $msg;	192	utf8::encode $msg;
160	LOG llevError, $msg;	193	LOG llevError, $msg;
161	};	194	};
162	}	195	}
…		…
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		204
171	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	206	# within the Safe compartment.
173	for my $pkg (qw(	207	for my $pkg (qw(
174	cf::global cf::attachable	208	cf::global cf::attachable
…		…
182	}	216	}
183		217
184	$Event::DIED = sub {	218	$Event::DIED = sub {
185	warn "error in event callback: @_";	219	warn "error in event callback: @_";
186	};	220	};
		221
		222	#############################################################################
187		223
188	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
189		225
190	=over 4	226	=over 4
191		227
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	247	$d
212	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
213	}	249	}
214		250
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
218		252
219	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
220		254
221	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
222		256
223	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
224		265
225	=item cf::lock_wait $string	266	=item cf::lock_wait $string
226		267
227	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
228		269
…		…
231	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
234	returned.	275	returned.
235		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
236	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
238		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
239	=cut	287	=cut
240		288
241	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
242		291
243	sub lock_wait($) {	292	sub lock_wait($) {
244	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
245		299
246	# wait for lock, if any	300	# wait for lock, if any
247	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	303	Coro::schedule;
…		…
255		309
256	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
257	lock_wait $key;	311	lock_wait $key;
258		312
259	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
260		315
261	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
264	}	320	}
		321	}
		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
265	}	327	}
266		328
267	sub freeze_mainloop {	329	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
269		331
…		…
272	};	334	};
273	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
274	$guard	336	$guard
275	}	337	}
276		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
		393	}
		394
277	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
278		396
279	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	398	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281	thing you are allowed to do is call C<prio> on it.	399	thing you are allowed to do is call C<prio> on it.
…		…
284		402
285	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
286		404
287	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
288		406
289	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
292		411
293	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
296	fast or be very important.	415	fast or be very important.
…		…
299		418
300	sub sync_job(&) {	419	sub sync_job(&) {
301	my ($job) = @_;	420	my ($job) = @_;
302		421
303	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
304	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
306		427
307	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
319		440
320	while ($busy) {	441	while ($busy) {
321	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
322	}	443	}
323		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
324	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
325	} else {	453	} else {
326	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
327		455
328	$job->()	456	$job->()
…		…
347	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
348		476
349	$coro	477	$coro
350	}	478	}
351		479
352	sub write_runtime {	480	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		481
355	my $runtime = cf::localdir . "/runtime";	482	Executes the given code block with the given arguments in a seperate
		483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
356		486
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	487	=cut
358	or return;
359		488
360	my $value = $cf::RUNTIME + 90 + 10;	489	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	490	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		491
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	492	# we seemingly have to make a local copy of the whole thing,
365	and return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
366		495
367	# always fsync - this file is important	496	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	497	reset_signals;
369	and return;	498	&$cb
		499	}, @args;
370		500
371	close $fh	501	wantarray ? @res : $res[-1]
372	or return;	502	}
373		503
374	aio_rename "$runtime~", $runtime	504	=item $value = cf::db_get $family => $key
375	and return;
376		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
377	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
378	}	618	}
379		619
380	=item cf::datalog type => key => value, ...	620	=item cf::datalog type => key => value, ...
381		621
382	Log a datalog packet of the given type with the given key-value pairs.	622	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
402		642
403	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	645	Crossfire TRT).
406		646
407	=over 4	647	=over 4
408		648
409	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
410		650
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
574		814
575	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		819
580	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	821	my $pkg = shift @arg;
582		822
583	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
613	}	853	}
614		854
615	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
616	} else {	856	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	858	}
619		859
620	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
621	}	861	}
622		862
…		…
624	if (ref $_[0]) {	864	if (ref $_[0]) {
625	_object_attach @_;	865	_object_attach @_;
626	} else {	866	} else {
627	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
628	}	868	}
		869	_recalc_want;
629	};	870	};
630		871
631	# all those should be optimised	872	# all those should be optimised
632	sub cf::attachable::detach {	873	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
637	reattach ($obj);	878	reattach ($obj);
638	} else {	879	} else {
639	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
640	}	881	}
		882	_recalc_want;
641	};	883	};
642		884
643	sub cf::attachable::attached {	885	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
645		887
…		…
660	";	902	";
661	die if $@;	903	die if $@;
662	}	904	}
663		905
664	our $override;	906	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		908
667	sub override {	909	sub override {
668	$override = 1;	910	$override = 1;
669	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
670	}	912	}
671		913
672	sub do_invoke {	914	sub do_invoke {
673	my $event = shift;	915	my $event = shift;
674	my $callbacks = shift;	916	my $callbacks = shift;
675		917
676	@invoke_results = ();	918	@INVOKE_RESULTS = ();
677		919
678	local $override;	920	local $override;
679		921
680	for (@$callbacks) {	922	for (@$callbacks) {
681	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
698		940
699	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
700		942
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		946
705	=back	947	=back
706		948
707	=cut	949	=cut
708		950
709	#############################################################################	951	#############################################################################
710	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
711		964
712	sub reattach {	965	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	967	my ($obj) = @_;
715		968
…		…
759	},	1012	},
760	);	1013	);
761		1014
762	sub object_freezer_save {	1015	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
		1017
		1018	my $guard = cf::lock_acquire "io";
764		1019
765	sync_job {	1020	sync_job {
766	if (length $$rdata) {	1021	if (length $$rdata) {
767	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
…		…
792	}	1047	}
793	} else {	1048	} else {
794	aio_unlink $filename;	1049	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
796	}	1051	}
797	}	1052	};
		1053
		1054	undef $guard;
798	}	1055	}
799		1056
800	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
802		1059
…		…
807		1064
808	sub object_thawer_load {	1065	sub object_thawer_load {
809	my ($filename) = @_;	1066	my ($filename) = @_;
810		1067
811	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
812		1071
813	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
814	or return;	1073	or return;
815		1074
816	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
818	or return;	1077	or return;
		1078
		1079	undef $guard;
819	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1081	}
821		1082
822	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
824	return ($data, $av);	1086	($data, $av)
825	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
826		1094
827	#############################################################################	1095	#############################################################################
828	# command handling &c	1096	# command handling &c
829		1097
830	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1112	}
845		1113
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1115
848	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
849		1121
850	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
851	called.	1123	called.
852		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
853	=cut	1136	=cut
854		1137
855	sub register_extcmd {	1138	sub register_extcmd {
856	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
857		1140
858	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
859	}	1148	}
860		1149
861	cf::player->attach (	1150	cf::player->attach (
862	on_command => sub {	1151	on_command => sub {
863	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1161	cf::override;
873	},	1162	},
874	on_extcmd => sub {	1163	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
876		1165
877	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1167
879	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
885	} else {	1183	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1185	}
888		1186
889	cf::override;	1187	cf::override;
890	},	1188	},
891	);	1189	);
892		1190
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
928	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1196	next unless -r $path;
930	eval {	1197
931	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
932	1	1255	}
933	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
934	}	1261	};
935	}	1262	}
936		1263
937	#############################################################################	1264	#############################################################################
938		1265
		1266	=back
		1267
939	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
940		1269
941	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
942		1271
943	=cut	1272	=cut
…		…
955	Returns the given player object, loading it if necessary (might block).	1284	Returns the given player object, loading it if necessary (might block).
956		1285
957	=cut	1286	=cut
958		1287
959	sub playerdir($) {	1288	sub playerdir($) {
960	cf::localdir	1289	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1291	}
966		1292
967	sub path($) {	1293	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1324	aio_unlink +(playerdir $login) . "/$login.pl";
999		1325
1000	my $pl = load_pl path $login	1326	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
1003	}	1335	}
1004	}	1336	}
1005	}	1337	}
1006		1338
…		…
1016		1348
1017	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
1019		1351
1020	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
1021	Coro::cede;	1353	cf::cede_to_tick;
1022	}	1354	}
1023		1355
1024	sub new($) {	1356	sub new($) {
1025	my ($login) = @_;	1357	my ($login) = @_;
1026		1358
…		…
1030	$self->{deny_save} = 1;	1362	$self->{deny_save} = 1;
1031		1363
1032	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1033		1365
1034	$self	1366	$self
		1367	}
		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
1035	}	1377	}
1036		1378
1037	=item $pl->quit_character	1379	=item $pl->quit_character
1038		1380
1039	Nukes the player without looking back. If logged in, the connection will	1381	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1430	while and may block, so not sync_job-capable, ever.
1089		1431
1090	=cut	1432	=cut
1091		1433
1092	sub list_logins {	1434	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1435	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1436	or return [];
1095		1437
1096	my @logins;	1438	my @logins;
1097		1439
1098	for my $login (@$dirs) {	1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1102		1449
1103	utf8::decode $login;	1450	utf8::decode $login;
1104	push @logins, $login;	1451	push @logins, $login;
1105	}	1452	}
1106		1453
…		…
1133	}	1480	}
1134		1481
1135	\@paths	1482	\@paths
1136	}	1483	}
1137		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
1138	=item $player->ext_reply ($msgid, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1139		1537
1140	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1141		1539
1142	=cut	1540	=cut
1143		1541
1144	sub ext_reply($$%) {	1542	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1146		1544
1147	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1546	}
1151		1547
1152	=item $player->ext_event ($type, %msg)	1548	=item $player->ext_msg ($type, @msg)
1153		1549
1154	Sends an ext event to the client.	1550	Sends an ext event to the client.
1155		1551
1156	=cut	1552	=cut
1157		1553
1158	sub ext_event($$%) {	1554	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1555	my ($self, $type, @msg) = @_;
1160		1556
1161	$self->ns->ext_event ($type, %msg);	1557	$self->ns->ext_msg ($type, @msg);
1162	}	1558	}
1163		1559
1164	=head3 cf::region	1560	=head3 cf::region
1165		1561
1166	=over 4	1562	=over 4
…		…
1169		1565
1170	package cf::region;	1566	package cf::region;
1171		1567
1172	=item cf::region::find_by_path $path	1568	=item cf::region::find_by_path $path
1173		1569
1174	Tries to decuce the probable region for a map knowing only its path.	1570	Tries to decuce the likely region for a map knowing only its path.
1175		1571
1176	=cut	1572	=cut
1177		1573
1178	sub find_by_path($) {	1574	sub find_by_path($) {
1179	my ($path) = @_;	1575	my ($path) = @_;
1180		1576
1181	my ($match, $specificity);	1577	my ($match, $specificity);
1182		1578
1183	for my $region (list) {	1579	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1580	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1581	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1582	if $region->specificity > $specificity;
1187	}	1583	}
1188	}	1584	}
1189		1585
…		…
1253	my ($self, $merge) = @_;	1649	my ($self, $merge) = @_;
1254		1650
1255	# we have to keep some variables in memory intact	1651	# we have to keep some variables in memory intact
1256	local $self->{path};	1652	local $self->{path};
1257	local $self->{load_path};	1653	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1654
1261	$self->SUPER::thawer_merge ($merge);	1655	$self->SUPER::thawer_merge ($merge);
1262	}	1656	}
1263		1657
1264	sub normalise {	1658	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1705	$self->init; # pass $1 etc.
1312	return $self;	1706	return $self;
1313	}	1707	}
1314	}	1708	}
1315		1709
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1711	()
1318	}	1712	}
1319		1713
1320	sub init {	1714	sub init {
1321	my ($self) = @_;	1715	my ($self) = @_;
…		…
1336		1730
1337	# the original (read-only) location	1731	# the original (read-only) location
1338	sub load_path {	1732	sub load_path {
1339	my ($self) = @_;	1733	my ($self) = @_;
1340		1734
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1735	"$MAPDIR/$self->{path}.map"
1342	}	1736	}
1343		1737
1344	# the temporary/swap location	1738	# the temporary/swap location
1345	sub save_path {	1739	sub save_path {
1346	my ($self) = @_;	1740	my ($self) = @_;
1347		1741
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1743	"$TMPDIR/$path.map"
1350	}	1744	}
1351		1745
1352	# the unique path, undef == no special unique path	1746	# the unique path, undef == no special unique path
1353	sub uniq_path {	1747	sub uniq_path {
1354	my ($self) = @_;	1748	my ($self) = @_;
1355		1749
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1751	"$UNIQUEDIR/$path"
1358	}	1752	}
1359		1753
1360	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1361	# all maps in C++...	1755	# all maps in C++...
1362	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1364		1758
1365	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1367	}	1761	}
1368		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
1369	sub unlink_save {	1771	sub unlink_save {
1370	my ($self) = @_;	1772	my ($self) = @_;
1371		1773
1372	utf8::encode (my $save = $self->save_path);	1774	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1778
1377	sub load_header_from($) {	1779	sub load_header_from($) {
1378	my ($self, $path) = @_;	1780	my ($self, $path) = @_;
1379		1781
1380	utf8::encode $path;	1782	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1784	or return;
		1785
		1786	$self->_load_header ($f)
		1787	or return;
		1788
		1789	local $MAP_LOADING{$self->{path}} = $self;
		1790	$f->resolve_delayed_derefs;
1386		1791
1387	$self->{load_path} = $path;	1792	$self->{load_path} = $path;
1388		1793
1389	1	1794	1
1390	}	1795	}
…		…
1429	$self->load_header_orig	1834	$self->load_header_orig
1430	or return;	1835	or return;
1431	$self->prepare_orig;	1836	$self->prepare_orig;
1432	}	1837	}
1433		1838
		1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
		1841
1434	$self->default_region (cf::region::find_by_path $self->{path})	1842	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1843	unless $self->default_region;
1436		1844
1437	1	1845	1
1438	}	1846	}
…		…
1441	sub find {	1849	sub find {
1442	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1443		1851
1444	$path = normalise $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1445		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	1855	cf::lock_wait "map_find:$path";
1447		1856
1448	$cf::MAP{$path} || do {	1857	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1860
1450	my $map = new_from_path cf::map $path	1861	my $map = new_from_path cf::map $path
1451	or return;	1862	or return;
1452		1863
1453	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1454		1865
1455	$map->load_header	1866	$map->load_header
1456	or return;	1867	or return;
1457		1868
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1870	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1461	$map->reset;	1874	$map->reset;
1462	undef $guard;
1463	return find $path;	1875	return find $path;
1464	}	1876	}
1465		1877
1466	$cf::MAP{$path} = $map	1878	$cf::MAP{$path} = $map
1467	}	1879	}
…		…
1474	my ($self) = @_;	1886	my ($self) = @_;
1475		1887
1476	local $self->{deny_reset} = 1; # loading can take a long time	1888	local $self->{deny_reset} = 1; # loading can take a long time
1477		1889
1478	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1479	my $guard = cf::lock_acquire "map_load:$path";	1893	my $guard = cf::lock_acquire "map_data:$path";
1480		1894
		1895	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1482		1897
1483	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1484		1899
1485	$self->alloc;	1900	$self->alloc;
1486		1901
1487	$self->pre_load;	1902	$self->pre_load;
1488	Coro::cede;	1903	cf::cede_to_tick;
1489		1904
1490	$self->_load_objects ($self->{load_path}, 1)	1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
		1907	$self->_load_objects ($f)
1491	or return;	1908	or return;
1492		1909
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494	if delete $self->{load_original};	1911	if delete $self->{load_original};
1495		1912
1496	if (my $uniq = $self->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	1914	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	1917	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1501	}	1921	}
1502	}	1922	}
1503		1923
1504	Coro::cede;	1924	$f->resolve_delayed_derefs;
		1925
		1926	cf::cede_to_tick;
1505	# now do the right thing for maps	1927	# now do the right thing for maps
1506	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	1930	unless $self->difficulty;
1517	Coro::cede;	1931	cf::cede_to_tick;
		1932
		1933	unless ($self->{deny_activate}) {
		1934	$self->decay_objects;
		1935	$self->fix_auto_apply;
		1936	$self->update_buttons;
		1937	cf::cede_to_tick;
		1938	$self->set_darkness_map;
		1939	cf::cede_to_tick;
1518	$self->activate;	1940	$self->activate;
1519	Coro::cede;	1941	}
		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
		1945
		1946	$self->in_memory (cf::MAP_IN_MEMORY);
1520	}	1947	}
1521		1948
1522	$self->post_load;	1949	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	1950	}
1527		1951
1528	sub customise_for {	1952	sub customise_for {
1529	my ($self, $ob) = @_;	1953	my ($self, $ob) = @_;
1530		1954
1531	return find "~" . $ob->name . "/" . $self->{path}	1955	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	1956	if $self->per_player;
1533		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
1534	$self	1961	$self
1535	}	1962	}
1536		1963
1537	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	1965	sub load_neighbours {
1539	my ($map) = @_;	1966	my ($map) = @_;
1540		1967
1541	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1542		1969
1543	for (0 .. 3) {	1970	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1545	or next;	1972	or next;
1546	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1547	or next;	1974	or next;
1548	$neigh->load;	1975	$neigh->load;
1549		1976
		1977	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	1980	}
1553		1981
1554	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1556	or next;	1985	or next;
1557	$neigh->load;	1986	$neigh->load;
1558	}	1987	}
1559	}	1988	}
1560		1989
…		…
1565	}	1994	}
1566		1995
1567	sub do_load_sync {	1996	sub do_load_sync {
1568	my ($map) = @_;	1997	my ($map) = @_;
1569		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1570	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1571	}	2003	}
1572		2004
1573	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2006	our $MAP_PREFETCHER = undef;
1575		2007
1576	sub find_async {	2008	sub find_async {
1577	my ($path, $origin) = @_;	2009	my ($path, $origin, $load) = @_;
1578		2010
1579	$path = normalise $path, $origin && $origin->{path};	2011	$path = normalise $path, $origin && $origin->{path};
1580		2012
1581	if (my $map = $cf::MAP{$path}) {	2013	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1583	}	2015	}
1584		2016
1585	undef $MAP_PREFETCH{$path};	2017	$MAP_PREFETCH{$path} |= $load;
		2018
1586	$MAP_PREFETCHER ||= cf::async {	2019	$MAP_PREFETCHER ||= cf::async {
1587	while (%MAP_PREFETCH) {	2020	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2021	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2022	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2023	$map->load if $v;
		2024	}
1592		2025
1593	delete $MAP_PREFETCH{$path};	2026	delete $MAP_PREFETCH{$k};
1594	}	2027	}
1595	}	2028	}
1596	undef $MAP_PREFETCHER;	2029	undef $MAP_PREFETCHER;
1597	};	2030	};
1598	$MAP_PREFETCHER->prio (6);	2031	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2034	}
1602		2035
1603	sub save {	2036	sub save {
1604	my ($self) = @_;	2037	my ($self) = @_;
1605		2038
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2040
1608	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1609		2042
1610	return unless $self->dirty;	2043	return unless $self->dirty;
1611		2044
…		…
1634	my ($self) = @_;	2067	my ($self) = @_;
1635		2068
1636	# save first because save cedes	2069	# save first because save cedes
1637	$self->save;	2070	$self->save;
1638		2071
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2073
1641	return if $self->players;	2074	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};	2076	return if $self->{deny_save};
1644		2077
		2078	$self->deactivate;
1645	$self->clear;	2079	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);	2080	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2081	}
1648		2082
1649	sub reset_at {	2083	sub reset_at {
1650	my ($self) = @_;	2084	my ($self) = @_;
1651		2085
1652	# TODO: safety, remove and allow resettable per-player maps	2086	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2087	return 1e99 if $self->{deny_reset};
1655		2088
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2089	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2090	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2091
…		…
1669	my ($self) = @_;	2102	my ($self) = @_;
1670		2103
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2105
1673	return if $self->players;	2106	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2107
1676	warn "resetting map ", $self->path;#d#	2108	warn "resetting map ", $self->path;
1677		2109
1678	$self->in_memory (cf::MAP_SWAPPED);	2110	$self->in_memory (cf::MAP_SWAPPED);
1679		2111
1680	# need to save uniques path	2112	# need to save uniques path
1681	unless ($self->{deny_save}) {	2113	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2117	if $uniq;
1686	}	2118	}
1687		2119
1688	delete $cf::MAP{$self->path};	2120	delete $cf::MAP{$self->path};
1689		2121
		2122	$self->deactivate;
1690	$self->clear;	2123	$self->clear;
1691		2124
1692	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
1693		2126
1694	$self->unlink_save;	2127	$self->unlink_save;
…		…
1698	my $nuke_counter = "aaaa";	2131	my $nuke_counter = "aaaa";
1699		2132
1700	sub nuke {	2133	sub nuke {
1701	my ($self) = @_;	2134	my ($self) = @_;
1702		2135
		2136	{
		2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2138
1703	delete $cf::MAP{$self->path};	2139	delete $cf::MAP{$self->path};
1704		2140
1705	$self->unlink_save;	2141	$self->unlink_save;
1706		2142
1707	bless $self, "cf::map";	2143	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2144	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2145	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2146	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2147	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2148
1713	$cf::MAP{$self->path} = $self;	2149	$cf::MAP{$self->path} = $self;
		2150	}
1714		2151
1715	$self->reset; # polite request, might not happen	2152	$self->reset; # polite request, might not happen
		2153	}
		2154
		2155	=item $maps = cf::map::tmp_maps
		2156
		2157	Returns an arrayref with all map paths of currently instantiated and saved
		2158	maps. May block.
		2159
		2160	=cut
		2161
		2162	sub tmp_maps() {
		2163	[
		2164	map {
		2165	utf8::decode $_;
		2166	/\.map$/
		2167	? normalise $_
		2168	: ()
		2169	} @{ aio_readdir $TMPDIR or [] }
		2170	]
		2171	}
		2172
		2173	=item $maps = cf::map::random_maps
		2174
		2175	Returns an arrayref with all map paths of currently instantiated and saved
		2176	random maps. May block.
		2177
		2178	=cut
		2179
		2180	sub random_maps() {
		2181	[
		2182	map {
		2183	utf8::decode $_;
		2184	/\.map$/
		2185	? normalise "?random/$_"
		2186	: ()
		2187	} @{ aio_readdir $RANDOMDIR or [] }
		2188	]
1716	}	2189	}
1717		2190
1718	=item cf::map::unique_maps	2191	=item cf::map::unique_maps
1719		2192
1720	Returns an arrayref of paths of all shared maps that have	2193	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2194	instantiated unique items. May block.
1722		2195
1723	=cut	2196	=cut
1724		2197
1725	sub unique_maps() {	2198	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2199	[
1727	or return;	2200	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2201	utf8::decode $_;
1733	next if /\.pst$/;	2202	/\.map$/
1734	next unless /^$PATH_SEP/o;	2203	? normalise $_
1735		2204	: ()
1736	push @paths, cf::map::normalise $_;	2205	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2206	]
1738
1739	\@paths
1740	}	2207	}
1741		2208
1742	package cf;	2209	package cf;
1743		2210
1744	=back	2211	=back
…		…
1762	map { $_, inv_recursive_ $_->inv } @_	2229	map { $_, inv_recursive_ $_->inv } @_
1763	}	2230	}
1764		2231
1765	sub inv_recursive {	2232	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2233	inv_recursive_ inv $_[0]
		2234	}
		2235
		2236	=item $ref = $ob->ref
		2237
		2238	creates and returns a persistent reference to an objetc that can be stored as a string.
		2239
		2240	=item $ob = cf::object::deref ($refstring)
		2241
		2242	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2243	even if the object actually exists. May block.
		2244
		2245	=cut
		2246
		2247	sub deref {
		2248	my ($ref) = @_;
		2249
		2250	# temporary compatibility#TODO#remove
		2251	$ref =~ s{^<}{player/<};
		2252
		2253	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2254	my ($uuid, $name) = ($1, $2);
		2255	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2256	or return;
		2257	$pl->ob->uuid eq $uuid
		2258	or return;
		2259
		2260	$pl->ob
		2261	} else {
		2262	warn "$ref: cannot resolve object reference\n";
		2263	undef
		2264	}
1767	}	2265	}
1768		2266
1769	package cf;	2267	package cf;
1770		2268
1771	=back	2269	=back
…		…
1790		2288
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2289	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2290
1793	if ($self->{record_replies}) {	2291	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2292	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2293
1795	} else {	2294	} else {
		2295	my $pl = $self->contr;
		2296
		2297	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2298	my $dialog = $pl->{npc_dialog};
		2299	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2300
		2301	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2302	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2303	$self->message ($msg, $flags);
		2304	}
1798	}	2305	}
		2306	}
		2307
		2308	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2309
		2310	=cut
		2311
		2312	sub cf::object::send_msg {
		2313	my $pl = shift->contr
		2314	or return;
		2315	$pl->send_msg (@_);
1799	}	2316	}
1800		2317
1801	=item $player_object->may ("access")	2318	=item $player_object->may ("access")
1802		2319
1803	Returns wether the given player is authorized to access resource "access"	2320	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2367	$self->deactivate_recursive;
1851		2368
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2369	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2370
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2371	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2372	if $self->map && $self->map->{path} ne "{link}";
1856		2373
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2374	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2375	}
1859		2376
1860	sub cf::object::player::leave_link {	2377	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2378	my ($self, $map, $x, $y) = @_;
		2379
		2380	return unless $self->contr->active;
1862		2381
1863	my $link_pos = delete $self->{_link_pos};	2382	my $link_pos = delete $self->{_link_pos};
1864		2383
1865	unless ($map) {	2384	unless ($map) {
1866	# restore original map position	2385	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2399	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2400	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2401	if $x <=0 && $y <= 0;
1883		2402
1884	$map->load;	2403	$map->load;
1885	$map->load_diag;	2404	$map->load_neighbours;
1886		2405
1887	return unless $self->contr->active;	2406	return unless $self->contr->active;
1888	$self->activate_recursive;	2407	$self->activate_recursive;
1889		2408
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2409	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2410	$self->enter_map ($map, $x, $y);
1892	}	2411	}
1893		2412
1894	cf::player->attach (	2413	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2414
1898	# abort map switching before logout	2415	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2416	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2417	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2418	the new (success) or old (failed) map position. In either case, $done will
1902	};	2419	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2420
1908	# try to abort aborted map switching on player login :)
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2421	=cut
		2422
		2423	our $GOTOGEN;
1929		2424
1930	sub cf::object::player::goto {	2425	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2426	my ($self, $path, $x, $y, $check, $done) = @_;
		2427
		2428	# do generation counting so two concurrent goto's will be executed in-order
		2429	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2430
1933	$self->enter_link;	2431	$self->enter_link;
1934		2432
1935	(async {	2433	(async {
1936	my $map = eval {	2434	my $map = eval {
1937	my $map = cf::map::find $path;	2435	my $map = cf::map::find $path;
		2436
		2437	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2438	$map = $map->customise_for ($self);
		2439	$map = $check->($map) if $check && $map;
		2440	} else {
		2441	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2442	}
		2443
1939	$map	2444	$map
		2445	};
		2446
		2447	if ($@) {
		2448	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2449	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2450	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2451
		2452	if ($gen == $self->{_goto_generation}) {
		2453	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2454	$self->leave_link ($map, $x, $y);
		2455	}
		2456
		2457	$done->() if $done;
1944	})->prio (1);	2458	})->prio (1);
1945	}	2459	}
1946		2460
1947	=item $player_object->enter_exit ($exit_object)	2461	=item $player_object->enter_exit ($exit_object)
1948		2462
…		…
1987		2501
1988	$rmp->{random_seed} ||= $exit->random_seed;	2502	$rmp->{random_seed} ||= $exit->random_seed;
1989		2503
1990	my $data = cf::to_json $rmp;	2504	my $data = cf::to_json $rmp;
1991	my $md5 = Digest::MD5::md5_hex $data;	2505	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2506	my $meta = "$RANDOMDIR/$md5.meta";
1993		2507
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2508	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2509	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2510	undef $fh;
1997	aio_rename "$meta~", $meta;	2511	aio_rename "$meta~", $meta;
…		…
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2530	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;	2531	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;	2532	my $sp = $exit->stats->sp;
2019		2533
2020	$self->enter_link;	2534	$self->enter_link;
		2535
		2536	# if exit is damned, update players death & WoR home-position
		2537	$self->contr->savebed ($slaying, $hp, $sp)
		2538	if $exit->flag (FLAG_DAMNED);
2021		2539
2022	(async {	2540	(async {
2023	$self->deactivate_recursive; # just to be sure	2541	$self->deactivate_recursive; # just to be sure
2024	unless (eval {	2542	unless (eval {
2025	$self->goto ($slaying, $hp, $sp);	2543	$self->goto ($slaying, $hp, $sp);
…		…
2053		2571
2054	utf8::encode $text;	2572	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2573	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2574	}
2057		2575
		2576	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2577
		2578	Send a drawinfo or msg packet to the client, formatting the msg for the
		2579	client if neccessary. C<$type> should be a string identifying the type of
		2580	the message, with C<log> being the default. If C<$color> is negative, suppress
		2581	the message unless the client supports the msg packet.
		2582
		2583	=cut
		2584
		2585	our %CHANNEL = (
		2586	"c/identify" => {
		2587	id => "identify",
		2588	title => "Identify",
		2589	reply => undef,
		2590	tooltip => "Items recently identified",
		2591	},
		2592	"c/examine" => {
		2593	id => "examine",
		2594	title => "Examine",
		2595	reply => undef,
		2596	tooltip => "Signs and other items you examined",
		2597	},
		2598	);
		2599
		2600	sub cf::client::send_msg {
		2601	my ($self, $channel, $msg, $color, @extra) = @_;
		2602
		2603	$msg = $self->pl->expand_cfpod ($msg);
		2604
		2605	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2606
		2607	# check predefined channels, for the benefit of C
		2608	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2609
		2610	if (ref $channel) {
		2611	# send meta info to client, if not yet sent
		2612	unless (exists $self->{channel}{$channel->{id}}) {
		2613	$self->{channel}{$channel->{id}} = $channel;
		2614	$self->ext_msg (channel_info => $channel)
		2615	if $self->can_msg;
		2616	}
		2617
		2618	$channel = $channel->{id};
		2619	}
		2620
		2621	return unless @extra || length $msg;
		2622
		2623	if ($self->can_msg) {
		2624	# default colour, mask it out
		2625	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2626	if $color & cf::NDI_DEF;
		2627
		2628	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2629	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2630	} else {
		2631	if ($color >= 0) {
		2632	# replace some tags by gcfclient-compatible ones
		2633	for ($msg) {
		2634	1 while
		2635	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2636	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2637	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2638	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2639	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2640	}
		2641
		2642	$color &= cf::NDI_COLOR_MASK;
		2643
		2644	utf8::encode $msg;
		2645
		2646	if (0 && $msg =~ /\[/) {
		2647	# COMMAND/INFO
		2648	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2649	} else {
		2650	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2651	$self->send_packet ("drawinfo $color $msg")
		2652	}
		2653	}
		2654	}
		2655	}
		2656
2058	=item $client->ext_event ($type, %msg)	2657	=item $client->ext_msg ($type, @msg)
2059		2658
2060	Sends an exti event to the client.	2659	Sends an ext event to the client.
2061		2660
2062	=cut	2661	=cut
2063		2662
2064	sub cf::client::ext_event($$%) {	2663	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2664	my ($self, $type, @msg) = @_;
2066		2665
		2666	if ($self->extcmd == 2) {
		2667	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2668	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2669	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2670	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2671	}
		2672	}
		2673
		2674	=item $client->ext_reply ($msgid, @msg)
		2675
		2676	Sends an ext reply to the client.
		2677
		2678	=cut
		2679
		2680	sub cf::client::ext_reply($$@) {
		2681	my ($self, $id, @msg) = @_;
		2682
		2683	if ($self->extcmd == 2) {
		2684	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2685	} elsif ($self->extcmd == 1) {
		2686	#TODO: version 1, remove
		2687	unshift @msg, msgtype => "reply", msgid => $id;
		2688	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2689	}
2069	}	2690	}
2070		2691
2071	=item $success = $client->query ($flags, "text", \&cb)	2692	=item $success = $client->query ($flags, "text", \&cb)
2072		2693
2073	Queues a query to the client, calling the given callback with	2694	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2695	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2696	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2697
2077	Queries can fail, so check the return code. Or don't, as queries will become	2698	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2699	become reliable at some point in the future.
2079		2700
2080	=cut	2701	=cut
2081		2702
2082	sub cf::client::query {	2703	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2704	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2712	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2714
2094	$self->send_packet ($self->{query_queue}[0][0])	2715	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2716	if @{ $self->{query_queue} } == 1;
		2717
		2718	1
2096	}	2719	}
2097		2720
2098	cf::client->attach (	2721	cf::client->attach (
		2722	on_connect => sub {
		2723	my ($ns) = @_;
		2724
		2725	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2726	},
2099	on_reply => sub {	2727	on_reply => sub {
2100	my ($ns, $msg) = @_;	2728	my ($ns, $msg) = @_;
2101		2729
2102	# this weird shuffling is so that direct followup queries	2730	# this weird shuffling is so that direct followup queries
2103	# get handled first	2731	# get handled first
…		…
2115	} else {	2743	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2744	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2745	}
2118	}	2746	}
2119	},	2747	},
		2748	on_exticmd => sub {
		2749	my ($ns, $buf) = @_;
		2750
		2751	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2752
		2753	if (ref $msg) {
		2754	my ($type, $reply, @payload) =
		2755	"ARRAY" eq ref $msg
		2756	? @$msg
		2757	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2758
		2759	my @reply;
		2760
		2761	if (my $cb = $EXTICMD{$type}) {
		2762	@reply = $cb->($ns, @payload);
		2763	}
		2764
		2765	$ns->ext_reply ($reply, @reply)
		2766	if $reply;
		2767
		2768	} else {
		2769	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2770	}
		2771
		2772	cf::override;
		2773	},
2120	);	2774	);
2121		2775
2122	=item $client->async (\&cb)	2776	=item $client->async (\&cb)
2123		2777
2124	Create a new coroutine, running the specified callback. The coroutine will	2778	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	2819	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	2820	our $safe_hole = new Safe::Hole;
2167		2821
2168	$SIG{FPE} = 'IGNORE';	2822	$SIG{FPE} = 'IGNORE';
2169		2823
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2824	$safe->permit_only (Opcode::opset qw(
		2825	:base_core :base_mem :base_orig :base_math
		2826	grepstart grepwhile mapstart mapwhile
		2827	sort time
		2828	));
2171		2829
2172	# here we export the classes and methods available to script code	2830	# here we export the classes and methods available to script code
2173		2831
2174	=pod	2832	=pod
2175		2833
2176	The following functions and methods are available within a safe environment:	2834	The following functions and methods are available within a safe environment:
2177		2835
2178	cf::object contr pay_amount pay_player map	2836	cf::object
		2837	contr pay_amount pay_player map x y force_find force_add
		2838	insert remove name archname title slaying race decrease_ob_nr
		2839
2179	cf::object::player player	2840	cf::object::player
2180	cf::player peaceful	2841	player
2181	cf::map trigger	2842
		2843	cf::player
		2844	peaceful
		2845
		2846	cf::map
		2847	trigger
2182		2848
2183	=cut	2849	=cut
2184		2850
2185	for (	2851	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	2852	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2853	insert remove inv name archname title slaying race
		2854	decrease_ob_nr)],
2187	["cf::object::player" => qw(player)],	2855	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	2856	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	2857	["cf::map" => qw(trigger)],
2190	) {	2858	) {
2191	no strict 'refs';	2859	no strict 'refs';
…		…
2262	=back	2930	=back
2263		2931
2264	=cut	2932	=cut
2265		2933
2266	#############################################################################	2934	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434
2435	#############################################################################
2436	# the server's init and main functions	2935	# the server's init and main functions
2437		2936
2438	sub load_facedata($) {	2937	sub load_facedata($) {
2439	my ($path) = @_;	2938	my ($path) = @_;
		2939
		2940	# HACK to clear player env face cache, we need some signal framework
		2941	# for this (global event?)
		2942	%ext::player_env::MUSIC_FACE_CACHE = ();
		2943
		2944	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2440		2945
2441	warn "loading facedata from $path\n";	2946	warn "loading facedata from $path\n";
2442		2947
2443	my $facedata;	2948	my $facedata;
2444	0 < aio_load $path, $facedata	2949	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	2952	$facedata = Coro::Storable::thaw $facedata;
2448		2953
2449	$facedata->{version} == 2	2954	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	2955	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		2956
		2957	# patch in the exptable
		2958	$facedata->{resource}{"res/exp_table"} = {
		2959	type => FT_RSRC,
		2960	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2961	};
		2962	cf::cede_to_tick;
		2963
2452	{	2964	{
2453	my $faces = $facedata->{faceinfo};	2965	my $faces = $facedata->{faceinfo};
2454		2966
2455	while (my ($face, $info) = each %$faces) {	2967	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2968	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2969	cf::face::set_visibility $idx, $info->{visibility};
		2970	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2971	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2972	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460	Coro::cede;	2973
		2974	cf::cede_to_tick;
2461	}	2975	}
2462		2976
2463	while (my ($face, $info) = each %$faces) {	2977	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	2978	next unless $info->{smooth};
2465	my $idx = cf::face::find $face	2979	my $idx = cf::face::find $face
2466	or next;	2980	or next;
2467	if (my $smooth = cf::face::find $info->{smooth}) {	2981	if (my $smooth = cf::face::find $info->{smooth}) {
		2982	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2983	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	2984	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	2985	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	2986	}
2472	Coro::cede;	2987
		2988	cf::cede_to_tick;
2473	}	2989	}
2474	}	2990	}
2475		2991
2476	{	2992	{
2477	my $anims = $facedata->{animinfo};	2993	my $anims = $facedata->{animinfo};
2478		2994
2479	while (my ($anim, $info) = each %$anims) {	2995	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	2996	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	2997	cf::cede_to_tick;
2482	}	2998	}
2483		2999
2484	cf::anim::invalidate_all; # d'oh	3000	cf::anim::invalidate_all; # d'oh
2485	}	3001	}
2486		3002
		3003	{
		3004	# TODO: for gcfclient pleasure, we should give resources
		3005	# that gcfclient doesn't grok a >10000 face index.
		3006	my $res = $facedata->{resource};
		3007
		3008	my $soundconf = delete $res->{"res/sound.conf"};
		3009
		3010	while (my ($name, $info) = each %$res) {
		3011	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3012	my $data;
		3013
		3014	if ($info->{type} & 1) {
		3015	# prepend meta info
		3016
		3017	my $meta = $enc->encode ({
		3018	name => $name,
		3019	%{ $info->{meta} || {} },
		3020	});
		3021
		3022	$data = pack "(w/a*)*", $meta, $info->{data};
		3023	} else {
		3024	$data = $info->{data};
		3025	}
		3026
		3027	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3028	cf::face::set_type $idx, $info->{type};
		3029
		3030	cf::cede_to_tick;
		3031	}
		3032
		3033	if ($soundconf) {
		3034	$soundconf = $enc->decode (delete $soundconf->{data});
		3035
		3036	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3037	my $sound = $soundconf->{compat}[$_]
		3038	or next;
		3039
		3040	my $face = cf::face::find "sound/$sound->[1]";
		3041	cf::sound::set $sound->[0] => $face;
		3042	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3043	}
		3044
		3045	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3046	my $face = cf::face::find "sound/$v";
		3047	cf::sound::set $k => $face;
		3048	}
		3049	}
		3050	}
		3051
2487	1	3052	1
2488	}	3053	}
2489		3054
		3055	register_exticmd fx_want => sub {
		3056	my ($ns, $want) = @_;
		3057
		3058	while (my ($k, $v) = each %$want) {
		3059	$ns->fx_want ($k, $v);
		3060	}
		3061	};
		3062
		3063	sub reload_regions {
		3064	# HACK to clear player env face cache, we need some signal framework
		3065	# for this (global event?)
		3066	%ext::player_env::MUSIC_FACE_CACHE = ();
		3067
		3068	load_resource_file "$MAPDIR/regions"
		3069	or die "unable to load regions file\n";
		3070
		3071	for (cf::region::list) {
		3072	$_->{match} = qr/$_->{match}/
		3073	if exists $_->{match};
		3074	}
		3075	}
		3076
2490	sub reload_facedata {	3077	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3078	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3079	or die "unable to load facedata\n";
2493	}	3080	}
2494		3081
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3082	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3083	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3084	or die "unable to load archetypes\n";
		3085	#d# NEED to laod twice to resolve forward references
		3086	# this really needs to be done in an extra post-pass
		3087	# (which needs to be synchronous, so solve it differently)
		3088	load_resource_file "$DATADIR/archetypes"
		3089	or die "unable to load archetypes\n";
2503	}	3090	}
2504		3091
2505	sub reload_treasures {	3092	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3093	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3094	or die "unable to load treasurelists\n";
2508	}	3095	}
2509		3096
2510	sub reload_resources {	3097	sub reload_resources {
2511	warn "reloading resource files...\n";	3098	warn "reloading resource files...\n";
2512		3099
2513	reload_regions;	3100	reload_regions;
2514	reload_facedata;	3101	reload_facedata;
		3102	#reload_archetypes;#d#
2515	reload_archetypes;	3103	reload_archetypes;
2516	reload_treasures;	3104	reload_treasures;
2517		3105
2518	warn "finished reloading resource files\n";	3106	warn "finished reloading resource files\n";
2519	}	3107	}
2520		3108
2521	sub init {	3109	sub init {
2522	reload_resources;	3110	reload_resources;
2523	}	3111	}
2524		3112
2525	sub cfg_load {	3113	sub reload_config {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3114	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3115	or return;
2528		3116
2529	local $/;	3117	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3118	*CFG = YAML::Syck::Load <$fh>;
2531		3119
…		…
2550	(async {	3138	(async {
2551	Event::one_event;	3139	Event::one_event;
2552	})->prio (Coro::PRIO_MAX);	3140	})->prio (Coro::PRIO_MAX);
2553	};	3141	};
2554		3142
2555	cfg_load;	3143	reload_config;
2556	db_init;	3144	db_init;
2557	load_extensions;	3145	load_extensions;
2558		3146
2559	$TICK_WATCHER->start;	3147	$TICK_WATCHER->start;
2560	Event::loop;	3148	Event::loop;
…		…
2576	},	3164	},
2577	);	3165	);
2578	}	3166	}
2579	}	3167	}
2580		3168
		3169	sub write_runtime {
		3170	my $runtime = "$LOCALDIR/runtime";
		3171
		3172	# first touch the runtime file to show we are still running:
		3173	# the fsync below can take a very very long time.
		3174
		3175	IO::AIO::aio_utime $runtime, undef, undef;
		3176
		3177	my $guard = cf::lock_acquire "write_runtime";
		3178
		3179	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3180	or return;
		3181
		3182	my $value = $cf::RUNTIME + 90 + 10;
		3183	# 10 is the runtime save interval, for a monotonic clock
		3184	# 60 allows for the watchdog to kill the server.
		3185
		3186	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3187	and return;
		3188
		3189	# always fsync - this file is important
		3190	aio_fsync $fh
		3191	and return;
		3192
		3193	# touch it again to show we are up-to-date
		3194	aio_utime $fh, undef, undef;
		3195
		3196	close $fh
		3197	or return;
		3198
		3199	aio_rename "$runtime~", $runtime
		3200	and return;
		3201
		3202	warn "runtime file written.\n";
		3203
		3204	1
		3205	}
		3206
2581	sub emergency_save() {	3207	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3208	my $freeze_guard = cf::freeze_mainloop;
2583		3209
2584	warn "enter emergency perl save\n";	3210	warn "enter emergency perl save\n";
2585		3211
…		…
2660	%EXT_CORO = ();	3286	%EXT_CORO = ();
2661		3287
2662	warn "removing commands";	3288	warn "removing commands";
2663	%COMMAND = ();	3289	%COMMAND = ();
2664		3290
2665	warn "removing ext commands";	3291	warn "removing ext/exti commands";
2666	%EXTCMD = ();	3292	%EXTCMD = ();
		3293	%EXTICMD = ();
2667		3294
2668	warn "unloading/nuking all extensions";	3295	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3296	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3297	warn "... unloading $pkg";
2671		3298
…		…
2701	Symbol::delete_package "safe::$_"	3328	Symbol::delete_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3329	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		3330
2704	warn "unloading cf.pm \"a bit\"";	3331	warn "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3332	delete $INC{"cf.pm"};
		3333	delete $INC{"cf/pod.pm"};
2706		3334
2707	# don't, removes xs symbols, too,	3335	# don't, removes xs symbols, too,
2708	# and global variables created in xs	3336	# and global variables created in xs
2709	#Symbol::delete_package __PACKAGE__;	3337	#Symbol::delete_package __PACKAGE__;
2710		3338
…		…
2713	warn "reloading cf.pm";	3341	warn "reloading cf.pm";
2714	require cf;	3342	require cf;
2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3343	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2716		3344
2717	warn "loading config and database again";	3345	warn "loading config and database again";
2718	cf::cfg_load;	3346	cf::reload_config;
2719		3347
2720	warn "loading extensions";	3348	warn "loading extensions";
2721	cf::load_extensions;	3349	cf::load_extensions;
2722		3350
2723	warn "reattaching attachments to objects/players";	3351	warn "reattaching attachments to objects/players";
…		…
2788	my $signal = new Coro::Signal;	3416	my $signal = new Coro::Signal;
2789	push @WAIT_FOR_TICK_BEGIN, $signal;	3417	push @WAIT_FOR_TICK_BEGIN, $signal;
2790	$signal->wait;	3418	$signal->wait;
2791	}	3419	}
2792		3420
		3421	my $min = 1e6;#d#
		3422	my $avg = 10;
2793	$TICK_WATCHER = Event->timer (	3423	$TICK_WATCHER = Event->timer (
2794	reentrant => 0,	3424	reentrant => 0,
2795	parked => 1,	3425	parked => 1,
2796	prio => 0,	3426	prio => 0,
2797	at => $NEXT_TICK || $TICK,	3427	at => $NEXT_TICK || $TICK,
…		…
2801	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3431	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2802	unless ++$bug_warning > 10;	3432	unless ++$bug_warning > 10;
2803	return;	3433	return;
2804	}	3434	}
2805		3435
2806	$NOW = Event::time;	3436	$NOW = $tick_start = Event::time;
2807		3437
2808	cf::server_tick; # one server iteration	3438	cf::server_tick; # one server iteration
		3439
		3440	0 && sync_job {#d#
		3441	for(1..10) {
		3442	my $t = Event::time;
		3443	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3444	or die;
		3445
		3446	$map->width (50);
		3447	$map->height (50);
		3448	$map->alloc;
		3449	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3450	my $t = Event::time - $t;
		3451
		3452	#next unless $t < 0.0013;#d#
		3453	if ($t < $min) {
		3454	$min = $t;
		3455	}
		3456	$avg = $avg * 0.99 + $t * 0.01;
		3457	}
		3458	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3459	exit 0;
		3460	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3461	};
2809		3462
2810	$RUNTIME += $TICK;	3463	$RUNTIME += $TICK;
2811	$NEXT_TICK += $TICK;	3464	$NEXT_TICK += $TICK;
2812		3465
2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3466	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2819	}	3472	}
2820		3473
2821	# my $AFTER = Event::time;	3474	# my $AFTER = Event::time;
2822	# warn $AFTER - $NOW;#d#	3475	# warn $AFTER - $NOW;#d#
2823		3476
		3477	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3478	$sig->send;
		3479	}
		3480	while (my $sig = shift @WAIT_FOR_TICK) {
		3481	$sig->send;
		3482	}
		3483
		3484	$NOW = Event::time;
		3485
2824	# if we are delayed by four ticks or more, skip them all	3486	# if we are delayed by four ticks or more, skip them all
2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3487	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2826		3488
2827	$TICK_WATCHER->at ($NEXT_TICK);	3489	$TICK_WATCHER->at ($NEXT_TICK);
2828	$TICK_WATCHER->start;	3490	$TICK_WATCHER->start;
2829		3491
2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3492	$LOAD = ($NOW - $tick_start) / $TICK;
2831	$sig->send;	3493	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2832	}
2833	while (my $sig = shift @WAIT_FOR_TICK) {
2834	$sig->send;
2835	}
2836		3494
2837	_post_tick;	3495	_post_tick;
		3496
		3497
2838	},	3498	},
2839	);	3499	);
2840		3500
2841	{	3501	{
2842	BDB::max_poll_time $TICK * 0.1;	3502	BDB::max_poll_time $TICK * 0.1;
…		…
2870		3530
2871	cf::sync_job {	3531	cf::sync_job {
2872	eval {	3532	eval {
2873	BDB::db_env_open	3533	BDB::db_env_open
2874	$DB_ENV,	3534	$DB_ENV,
2875	$BDB_ENV_DIR,	3535	$BDBDIR,
2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3536	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3537	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2878	0666;	3538	0666;
2879		3539
2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3540	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2881		3541
2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3542	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2883	$DB_ENV->set_lk_detect;	3543	$DB_ENV->set_lk_detect;
2884	};	3544	};
2885		3545
…		…
2901	prio => 6,	3561	prio => 6,
2902	cb => \&IO::AIO::poll_cb,	3562	cb => \&IO::AIO::poll_cb,
2903	);	3563	);
2904	}	3564	}
2905		3565
		3566	my $_log_backtrace;
		3567
		3568	sub _log_backtrace {
		3569	my ($msg, @addr) = @_;
		3570
		3571	$msg =~ s/\n//;
		3572
		3573	# limit the # of concurrent backtraces
		3574	if ($_log_backtrace < 2) {
		3575	++$_log_backtrace;
		3576	async {
		3577	my @bt = fork_call {
		3578	@addr = map { sprintf "%x", $_ } @addr;
		3579	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3580	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3581	or die "addr2line: $!";
		3582
		3583	my @funcs;
		3584	my @res = <$fh>;
		3585	chomp for @res;
		3586	while (@res) {
		3587	my ($func, $line) = splice @res, 0, 2, ();
		3588	push @funcs, "[$func] $line";
		3589	}
		3590
		3591	@funcs
		3592	};
		3593
		3594	LOG llevInfo, "[ABT] $msg\n";
		3595	LOG llevInfo, "[ABT] $_\n" for @bt;
		3596	--$_log_backtrace;
		3597	};
		3598	} else {
		3599	LOG llevInfo, "[ABT] $msg\n";
		3600	LOG llevInfo, "[ABT] [suppressed]\n";
		3601	}
		3602	}
		3603
2906	# load additional modules	3604	# load additional modules
2907	use cf::pod;	3605	use cf::pod;
2908		3606
2909	END { cf::emergency_save }	3607	END { cf::emergency_save }
2910		3608

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