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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 1.360 by root, Sun Sep 9 06:25:46 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 unless $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->in_memory (cf::MAP_SWAPPED);
		2079
		2080	$self->deactivate;
		2081	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2082	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2083	}
1648		2084
1649	sub reset_at {	2085	sub reset_at {
1650	my ($self) = @_;	2086	my ($self) = @_;
1651		2087
1652	# TODO: safety, remove and allow resettable per-player maps	2088	# 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};	2089	return 1e99 if $self->{deny_reset};
1655		2090
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2091	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2092	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2093
…		…
1669	my ($self) = @_;	2104	my ($self) = @_;
1670		2105
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2106	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2107
1673	return if $self->players;	2108	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2109
1676	warn "resetting map ", $self->path;#d#	2110	warn "resetting map ", $self->path;
1677		2111
1678	$self->in_memory (cf::MAP_SWAPPED);	2112	$self->in_memory (cf::MAP_SWAPPED);
1679		2113
1680	# need to save uniques path	2114	# need to save uniques path
1681	unless ($self->{deny_save}) {	2115	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2119	if $uniq;
1686	}	2120	}
1687		2121
1688	delete $cf::MAP{$self->path};	2122	delete $cf::MAP{$self->path};
1689		2123
		2124	$self->deactivate;
		2125	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2126	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2127
1694	$self->unlink_save;	2128	$self->unlink_save;
1695	$self->destroy;	2129	$self->destroy;
1696	}	2130	}
1697		2131
1698	my $nuke_counter = "aaaa";	2132	my $nuke_counter = "aaaa";
1699		2133
1700	sub nuke {	2134	sub nuke {
1701	my ($self) = @_;	2135	my ($self) = @_;
1702		2136
		2137	{
		2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2139
1703	delete $cf::MAP{$self->path};	2140	delete $cf::MAP{$self->path};
1704		2141
1705	$self->unlink_save;	2142	$self->unlink_save;
1706		2143
1707	bless $self, "cf::map";	2144	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2145	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2146	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2147	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2148	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2149
1713	$cf::MAP{$self->path} = $self;	2150	$cf::MAP{$self->path} = $self;
		2151	}
1714		2152
1715	$self->reset; # polite request, might not happen	2153	$self->reset; # polite request, might not happen
		2154	}
		2155
		2156	=item $maps = cf::map::tmp_maps
		2157
		2158	Returns an arrayref with all map paths of currently instantiated and saved
		2159	maps. May block.
		2160
		2161	=cut
		2162
		2163	sub tmp_maps() {
		2164	[
		2165	map {
		2166	utf8::decode $_;
		2167	/\.map$/
		2168	? normalise $_
		2169	: ()
		2170	} @{ aio_readdir $TMPDIR or [] }
		2171	]
		2172	}
		2173
		2174	=item $maps = cf::map::random_maps
		2175
		2176	Returns an arrayref with all map paths of currently instantiated and saved
		2177	random maps. May block.
		2178
		2179	=cut
		2180
		2181	sub random_maps() {
		2182	[
		2183	map {
		2184	utf8::decode $_;
		2185	/\.map$/
		2186	? normalise "?random/$_"
		2187	: ()
		2188	} @{ aio_readdir $RANDOMDIR or [] }
		2189	]
1716	}	2190	}
1717		2191
1718	=item cf::map::unique_maps	2192	=item cf::map::unique_maps
1719		2193
1720	Returns an arrayref of paths of all shared maps that have	2194	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2195	instantiated unique items. May block.
1722		2196
1723	=cut	2197	=cut
1724		2198
1725	sub unique_maps() {	2199	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2200	[
1727	or return;	2201	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2202	utf8::decode $_;
1733	next if /\.pst$/;	2203	/\.map$/
1734	next unless /^$PATH_SEP/o;	2204	? normalise $_
1735		2205	: ()
1736	push @paths, cf::map::normalise $_;	2206	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2207	]
1738
1739	\@paths
1740	}	2208	}
1741		2209
1742	package cf;	2210	package cf;
1743		2211
1744	=back	2212	=back
…		…
1762	map { $_, inv_recursive_ $_->inv } @_	2230	map { $_, inv_recursive_ $_->inv } @_
1763	}	2231	}
1764		2232
1765	sub inv_recursive {	2233	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2234	inv_recursive_ inv $_[0]
		2235	}
		2236
		2237	=item $ref = $ob->ref
		2238
		2239	creates and returns a persistent reference to an objetc that can be stored as a string.
		2240
		2241	=item $ob = cf::object::deref ($refstring)
		2242
		2243	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2244	even if the object actually exists. May block.
		2245
		2246	=cut
		2247
		2248	sub deref {
		2249	my ($ref) = @_;
		2250
		2251	# temporary compatibility#TODO#remove
		2252	$ref =~ s{^<}{player/<};
		2253
		2254	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2255	my ($uuid, $name) = ($1, $2);
		2256	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2257	or return;
		2258	$pl->ob->uuid eq $uuid
		2259	or return;
		2260
		2261	$pl->ob
		2262	} else {
		2263	warn "$ref: cannot resolve object reference\n";
		2264	undef
		2265	}
1767	}	2266	}
1768		2267
1769	package cf;	2268	package cf;
1770		2269
1771	=back	2270	=back
…		…
1790		2289
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2290	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2291
1793	if ($self->{record_replies}) {	2292	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2293	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2294
1795	} else {	2295	} else {
		2296	my $pl = $self->contr;
		2297
		2298	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2299	my $dialog = $pl->{npc_dialog};
		2300	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2301
		2302	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2303	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2304	$self->message ($msg, $flags);
		2305	}
1798	}	2306	}
		2307	}
		2308
		2309	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2310
		2311	=cut
		2312
		2313	sub cf::object::send_msg {
		2314	my $pl = shift->contr
		2315	or return;
		2316	$pl->send_msg (@_);
1799	}	2317	}
1800		2318
1801	=item $player_object->may ("access")	2319	=item $player_object->may ("access")
1802		2320
1803	Returns wether the given player is authorized to access resource "access"	2321	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2368	$self->deactivate_recursive;
1851		2369
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2370	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2371
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2372	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2373	if $self->map && $self->map->{path} ne "{link}";
1856		2374
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2375	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2376	}
1859		2377
1860	sub cf::object::player::leave_link {	2378	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2379	my ($self, $map, $x, $y) = @_;
		2380
		2381	return unless $self->contr->active;
1862		2382
1863	my $link_pos = delete $self->{_link_pos};	2383	my $link_pos = delete $self->{_link_pos};
1864		2384
1865	unless ($map) {	2385	unless ($map) {
1866	# restore original map position	2386	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2400	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2401	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2402	if $x <=0 && $y <= 0;
1883		2403
1884	$map->load;	2404	$map->load;
1885	$map->load_diag;	2405	$map->load_neighbours;
1886		2406
1887	return unless $self->contr->active;	2407	return unless $self->contr->active;
1888	$self->activate_recursive;	2408	$self->activate_recursive;
1889		2409
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2410	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2411	$self->enter_map ($map, $x, $y);
1892	}	2412	}
1893		2413
1894	cf::player->attach (	2414	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2415
1898	# abort map switching before logout	2416	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2417	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2418	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2419	the new (success) or old (failed) map position. In either case, $done will
1902	};	2420	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2421
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	2422	=cut
		2423
		2424	our $GOTOGEN;
1929		2425
1930	sub cf::object::player::goto {	2426	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2427	my ($self, $path, $x, $y, $check, $done) = @_;
		2428
		2429	# do generation counting so two concurrent goto's will be executed in-order
		2430	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2431
1933	$self->enter_link;	2432	$self->enter_link;
1934		2433
1935	(async {	2434	(async {
1936	my $map = eval {	2435	my $map = eval {
1937	my $map = cf::map::find $path;	2436	my $map = cf::map::find $path;
		2437
		2438	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2439	$map = $map->customise_for ($self);
		2440	$map = $check->($map) if $check && $map;
		2441	} else {
		2442	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2443	}
		2444
1939	$map	2445	$map
		2446	};
		2447
		2448	if ($@) {
		2449	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2450	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2451	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2452
		2453	if ($gen == $self->{_goto_generation}) {
		2454	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2455	$self->leave_link ($map, $x, $y);
		2456	}
		2457
		2458	$done->() if $done;
1944	})->prio (1);	2459	})->prio (1);
1945	}	2460	}
1946		2461
1947	=item $player_object->enter_exit ($exit_object)	2462	=item $player_object->enter_exit ($exit_object)
1948		2463
…		…
1987		2502
1988	$rmp->{random_seed} ||= $exit->random_seed;	2503	$rmp->{random_seed} ||= $exit->random_seed;
1989		2504
1990	my $data = cf::to_json $rmp;	2505	my $data = cf::to_json $rmp;
1991	my $md5 = Digest::MD5::md5_hex $data;	2506	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2507	my $meta = "$RANDOMDIR/$md5.meta";
1993		2508
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2509	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2510	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2511	undef $fh;
1997	aio_rename "$meta~", $meta;	2512	aio_rename "$meta~", $meta;
…		…
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2531	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;	2532	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;	2533	my $sp = $exit->stats->sp;
2019		2534
2020	$self->enter_link;	2535	$self->enter_link;
		2536
		2537	# if exit is damned, update players death & WoR home-position
		2538	$self->contr->savebed ($slaying, $hp, $sp)
		2539	if $exit->flag (FLAG_DAMNED);
2021		2540
2022	(async {	2541	(async {
2023	$self->deactivate_recursive; # just to be sure	2542	$self->deactivate_recursive; # just to be sure
2024	unless (eval {	2543	unless (eval {
2025	$self->goto ($slaying, $hp, $sp);	2544	$self->goto ($slaying, $hp, $sp);
…		…
2053		2572
2054	utf8::encode $text;	2573	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2574	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2575	}
2057		2576
		2577	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2578
		2579	Send a drawinfo or msg packet to the client, formatting the msg for the
		2580	client if neccessary. C<$type> should be a string identifying the type of
		2581	the message, with C<log> being the default. If C<$color> is negative, suppress
		2582	the message unless the client supports the msg packet.
		2583
		2584	=cut
		2585
		2586	our %CHANNEL = (
		2587	"c/identify" => {
		2588	id => "identify",
		2589	title => "Identify",
		2590	reply => undef,
		2591	tooltip => "Items recently identified",
		2592	},
		2593	"c/examine" => {
		2594	id => "examine",
		2595	title => "Examine",
		2596	reply => undef,
		2597	tooltip => "Signs and other items you examined",
		2598	},
		2599	);
		2600
		2601	sub cf::client::send_msg {
		2602	my ($self, $channel, $msg, $color, @extra) = @_;
		2603
		2604	$msg = $self->pl->expand_cfpod ($msg);
		2605
		2606	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2607
		2608	# check predefined channels, for the benefit of C
		2609	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2610
		2611	if (ref $channel) {
		2612	# send meta info to client, if not yet sent
		2613	unless (exists $self->{channel}{$channel->{id}}) {
		2614	$self->{channel}{$channel->{id}} = $channel;
		2615	$self->ext_msg (channel_info => $channel)
		2616	if $self->can_msg;
		2617	}
		2618
		2619	$channel = $channel->{id};
		2620	}
		2621
		2622	return unless @extra || length $msg;
		2623
		2624	if ($self->can_msg) {
		2625	# default colour, mask it out
		2626	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2627	if $color & cf::NDI_DEF;
		2628
		2629	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2630	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2631	} else {
		2632	if ($color >= 0) {
		2633	# replace some tags by gcfclient-compatible ones
		2634	for ($msg) {
		2635	1 while
		2636	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2637	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2638	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2639	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2640	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2641	}
		2642
		2643	$color &= cf::NDI_COLOR_MASK;
		2644
		2645	utf8::encode $msg;
		2646
		2647	if (0 && $msg =~ /\[/) {
		2648	# COMMAND/INFO
		2649	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2650	} else {
		2651	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2652	$self->send_packet ("drawinfo $color $msg")
		2653	}
		2654	}
		2655	}
		2656	}
		2657
2058	=item $client->ext_event ($type, %msg)	2658	=item $client->ext_msg ($type, @msg)
2059		2659
2060	Sends an exti event to the client.	2660	Sends an ext event to the client.
2061		2661
2062	=cut	2662	=cut
2063		2663
2064	sub cf::client::ext_event($$%) {	2664	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2665	my ($self, $type, @msg) = @_;
2066		2666
		2667	if ($self->extcmd == 2) {
		2668	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2669	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2670	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2671	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2672	}
		2673	}
		2674
		2675	=item $client->ext_reply ($msgid, @msg)
		2676
		2677	Sends an ext reply to the client.
		2678
		2679	=cut
		2680
		2681	sub cf::client::ext_reply($$@) {
		2682	my ($self, $id, @msg) = @_;
		2683
		2684	if ($self->extcmd == 2) {
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2686	} elsif ($self->extcmd == 1) {
		2687	#TODO: version 1, remove
		2688	unshift @msg, msgtype => "reply", msgid => $id;
		2689	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2690	}
2069	}	2691	}
2070		2692
2071	=item $success = $client->query ($flags, "text", \&cb)	2693	=item $success = $client->query ($flags, "text", \&cb)
2072		2694
2073	Queues a query to the client, calling the given callback with	2695	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>,	2696	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>.	2697	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2698
2077	Queries can fail, so check the return code. Or don't, as queries will become	2699	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2700	become reliable at some point in the future.
2079		2701
2080	=cut	2702	=cut
2081		2703
2082	sub cf::client::query {	2704	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2705	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2713	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2714	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2715
2094	$self->send_packet ($self->{query_queue}[0][0])	2716	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2717	if @{ $self->{query_queue} } == 1;
		2718
		2719	1
2096	}	2720	}
2097		2721
2098	cf::client->attach (	2722	cf::client->attach (
		2723	on_connect => sub {
		2724	my ($ns) = @_;
		2725
		2726	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2727	},
2099	on_reply => sub {	2728	on_reply => sub {
2100	my ($ns, $msg) = @_;	2729	my ($ns, $msg) = @_;
2101		2730
2102	# this weird shuffling is so that direct followup queries	2731	# this weird shuffling is so that direct followup queries
2103	# get handled first	2732	# get handled first
…		…
2115	} else {	2744	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2745	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2746	}
2118	}	2747	}
2119	},	2748	},
		2749	on_exticmd => sub {
		2750	my ($ns, $buf) = @_;
		2751
		2752	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2753
		2754	if (ref $msg) {
		2755	my ($type, $reply, @payload) =
		2756	"ARRAY" eq ref $msg
		2757	? @$msg
		2758	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2759
		2760	my @reply;
		2761
		2762	if (my $cb = $EXTICMD{$type}) {
		2763	@reply = $cb->($ns, @payload);
		2764	}
		2765
		2766	$ns->ext_reply ($reply, @reply)
		2767	if $reply;
		2768
		2769	} else {
		2770	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2771	}
		2772
		2773	cf::override;
		2774	},
2120	);	2775	);
2121		2776
2122	=item $client->async (\&cb)	2777	=item $client->async (\&cb)
2123		2778
2124	Create a new coroutine, running the specified callback. The coroutine will	2779	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	2820	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	2821	our $safe_hole = new Safe::Hole;
2167		2822
2168	$SIG{FPE} = 'IGNORE';	2823	$SIG{FPE} = 'IGNORE';
2169		2824
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2825	$safe->permit_only (Opcode::opset qw(
		2826	:base_core :base_mem :base_orig :base_math
		2827	grepstart grepwhile mapstart mapwhile
		2828	sort time
		2829	));
2171		2830
2172	# here we export the classes and methods available to script code	2831	# here we export the classes and methods available to script code
2173		2832
2174	=pod	2833	=pod
2175		2834
2176	The following functions and methods are available within a safe environment:	2835	The following functions and methods are available within a safe environment:
2177		2836
2178	cf::object contr pay_amount pay_player map	2837	cf::object
		2838	contr pay_amount pay_player map x y force_find force_add
		2839	insert remove name archname title slaying race decrease_ob_nr
		2840
2179	cf::object::player player	2841	cf::object::player
2180	cf::player peaceful	2842	player
2181	cf::map trigger	2843
		2844	cf::player
		2845	peaceful
		2846
		2847	cf::map
		2848	trigger
2182		2849
2183	=cut	2850	=cut
2184		2851
2185	for (	2852	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	2853	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2854	insert remove inv name archname title slaying race
		2855	decrease_ob_nr)],
2187	["cf::object::player" => qw(player)],	2856	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	2857	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	2858	["cf::map" => qw(trigger)],
2190	) {	2859	) {
2191	no strict 'refs';	2860	no strict 'refs';
…		…
2262	=back	2931	=back
2263		2932
2264	=cut	2933	=cut
2265		2934
2266	#############################################################################	2935	#############################################################################
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 $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434
2435	#############################################################################
2436	# the server's init and main functions	2936	# the server's init and main functions
2437		2937
2438	sub load_facedata($) {	2938	sub load_facedata($) {
2439	my ($path) = @_;	2939	my ($path) = @_;
		2940
		2941	# HACK to clear player env face cache, we need some signal framework
		2942	# for this (global event?)
		2943	%ext::player_env::MUSIC_FACE_CACHE = ();
		2944
		2945	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2440		2946
2441	warn "loading facedata from $path\n";	2947	warn "loading facedata from $path\n";
2442		2948
2443	my $facedata;	2949	my $facedata;
2444	0 < aio_load $path, $facedata	2950	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	2953	$facedata = Coro::Storable::thaw $facedata;
2448		2954
2449	$facedata->{version} == 2	2955	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	2956	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		2957
		2958	# patch in the exptable
		2959	$facedata->{resource}{"res/exp_table"} = {
		2960	type => FT_RSRC,
		2961	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2962	};
		2963	cf::cede_to_tick;
		2964
2452	{	2965	{
2453	my $faces = $facedata->{faceinfo};	2966	my $faces = $facedata->{faceinfo};
2454		2967
2455	while (my ($face, $info) = each %$faces) {	2968	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2969	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2970	cf::face::set_visibility $idx, $info->{visibility};
		2971	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2972	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2973	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460	Coro::cede;	2974
		2975	cf::cede_to_tick;
2461	}	2976	}
2462		2977
2463	while (my ($face, $info) = each %$faces) {	2978	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	2979	next unless $info->{smooth};
2465	my $idx = cf::face::find $face	2980	my $idx = cf::face::find $face
2466	or next;	2981	or next;
2467	if (my $smooth = cf::face::find $info->{smooth}) {	2982	if (my $smooth = cf::face::find $info->{smooth}) {
		2983	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2984	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	2985	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	2986	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	2987	}
2472	Coro::cede;	2988
		2989	cf::cede_to_tick;
2473	}	2990	}
2474	}	2991	}
2475		2992
2476	{	2993	{
2477	my $anims = $facedata->{animinfo};	2994	my $anims = $facedata->{animinfo};
2478		2995
2479	while (my ($anim, $info) = each %$anims) {	2996	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	2997	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	2998	cf::cede_to_tick;
2482	}	2999	}
2483		3000
2484	cf::anim::invalidate_all; # d'oh	3001	cf::anim::invalidate_all; # d'oh
2485	}	3002	}
2486		3003
		3004	{
		3005	# TODO: for gcfclient pleasure, we should give resources
		3006	# that gcfclient doesn't grok a >10000 face index.
		3007	my $res = $facedata->{resource};
		3008
		3009	my $soundconf = delete $res->{"res/sound.conf"};
		3010
		3011	while (my ($name, $info) = each %$res) {
		3012	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3013	my $data;
		3014
		3015	if ($info->{type} & 1) {
		3016	# prepend meta info
		3017
		3018	my $meta = $enc->encode ({
		3019	name => $name,
		3020	%{ $info->{meta} || {} },
		3021	});
		3022
		3023	$data = pack "(w/a*)*", $meta, $info->{data};
		3024	} else {
		3025	$data = $info->{data};
		3026	}
		3027
		3028	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3029	cf::face::set_type $idx, $info->{type};
		3030
		3031	cf::cede_to_tick;
		3032	}
		3033
		3034	if ($soundconf) {
		3035	$soundconf = $enc->decode (delete $soundconf->{data});
		3036
		3037	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3038	my $sound = $soundconf->{compat}[$_]
		3039	or next;
		3040
		3041	my $face = cf::face::find "sound/$sound->[1]";
		3042	cf::sound::set $sound->[0] => $face;
		3043	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3044	}
		3045
		3046	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3047	my $face = cf::face::find "sound/$v";
		3048	cf::sound::set $k => $face;
		3049	}
		3050	}
		3051	}
		3052
2487	1	3053	1
2488	}	3054	}
2489		3055
		3056	register_exticmd fx_want => sub {
		3057	my ($ns, $want) = @_;
		3058
		3059	while (my ($k, $v) = each %$want) {
		3060	$ns->fx_want ($k, $v);
		3061	}
		3062	};
		3063
		3064	sub reload_regions {
		3065	# HACK to clear player env face cache, we need some signal framework
		3066	# for this (global event?)
		3067	%ext::player_env::MUSIC_FACE_CACHE = ();
		3068
		3069	load_resource_file "$MAPDIR/regions"
		3070	or die "unable to load regions file\n";
		3071
		3072	for (cf::region::list) {
		3073	$_->{match} = qr/$_->{match}/
		3074	if exists $_->{match};
		3075	}
		3076	}
		3077
2490	sub reload_facedata {	3078	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3079	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3080	or die "unable to load facedata\n";
2493	}	3081	}
2494		3082
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 {	3083	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3084	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3085	or die "unable to load archetypes\n";
		3086	#d# NEED to laod twice to resolve forward references
		3087	# this really needs to be done in an extra post-pass
		3088	# (which needs to be synchronous, so solve it differently)
		3089	load_resource_file "$DATADIR/archetypes"
		3090	or die "unable to load archetypes\n";
2503	}	3091	}
2504		3092
2505	sub reload_treasures {	3093	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3094	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3095	or die "unable to load treasurelists\n";
2508	}	3096	}
2509		3097
2510	sub reload_resources {	3098	sub reload_resources {
2511	warn "reloading resource files...\n";	3099	warn "reloading resource files...\n";
2512		3100
2513	reload_regions;	3101	reload_regions;
2514	reload_facedata;	3102	reload_facedata;
		3103	#reload_archetypes;#d#
2515	reload_archetypes;	3104	reload_archetypes;
2516	reload_treasures;	3105	reload_treasures;
2517		3106
2518	warn "finished reloading resource files\n";	3107	warn "finished reloading resource files\n";
2519	}	3108	}
2520		3109
2521	sub init {	3110	sub init {
2522	reload_resources;	3111	reload_resources;
2523	}	3112	}
2524		3113
2525	sub cfg_load {	3114	sub reload_config {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3115	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3116	or return;
2528		3117
2529	local $/;	3118	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3119	*CFG = YAML::Syck::Load <$fh>;
2531		3120
…		…
2550	(async {	3139	(async {
2551	Event::one_event;	3140	Event::one_event;
2552	})->prio (Coro::PRIO_MAX);	3141	})->prio (Coro::PRIO_MAX);
2553	};	3142	};
2554		3143
2555	cfg_load;	3144	reload_config;
2556	db_init;	3145	db_init;
2557	load_extensions;	3146	load_extensions;
2558		3147
2559	$TICK_WATCHER->start;	3148	$TICK_WATCHER->start;
2560	Event::loop;	3149	Event::loop;
…		…
2576	},	3165	},
2577	);	3166	);
2578	}	3167	}
2579	}	3168	}
2580		3169
		3170	sub write_runtime {
		3171	my $runtime = "$LOCALDIR/runtime";
		3172
		3173	# first touch the runtime file to show we are still running:
		3174	# the fsync below can take a very very long time.
		3175
		3176	IO::AIO::aio_utime $runtime, undef, undef;
		3177
		3178	my $guard = cf::lock_acquire "write_runtime";
		3179
		3180	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3181	or return;
		3182
		3183	my $value = $cf::RUNTIME + 90 + 10;
		3184	# 10 is the runtime save interval, for a monotonic clock
		3185	# 60 allows for the watchdog to kill the server.
		3186
		3187	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3188	and return;
		3189
		3190	# always fsync - this file is important
		3191	aio_fsync $fh
		3192	and return;
		3193
		3194	# touch it again to show we are up-to-date
		3195	aio_utime $fh, undef, undef;
		3196
		3197	close $fh
		3198	or return;
		3199
		3200	aio_rename "$runtime~", $runtime
		3201	and return;
		3202
		3203	warn "runtime file written.\n";
		3204
		3205	1
		3206	}
		3207
2581	sub emergency_save() {	3208	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3209	my $freeze_guard = cf::freeze_mainloop;
2583		3210
2584	warn "enter emergency perl save\n";	3211	warn "enter emergency perl save\n";
2585		3212
…		…
2660	%EXT_CORO = ();	3287	%EXT_CORO = ();
2661		3288
2662	warn "removing commands";	3289	warn "removing commands";
2663	%COMMAND = ();	3290	%COMMAND = ();
2664		3291
2665	warn "removing ext commands";	3292	warn "removing ext/exti commands";
2666	%EXTCMD = ();	3293	%EXTCMD = ();
		3294	%EXTICMD = ();
2667		3295
2668	warn "unloading/nuking all extensions";	3296	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3297	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3298	warn "... unloading $pkg";
2671		3299
…		…
2701	Symbol::delete_package "safe::$_"	3329	Symbol::delete_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3330	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		3331
2704	warn "unloading cf.pm \"a bit\"";	3332	warn "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3333	delete $INC{"cf.pm"};
		3334	delete $INC{"cf/pod.pm"};
2706		3335
2707	# don't, removes xs symbols, too,	3336	# don't, removes xs symbols, too,
2708	# and global variables created in xs	3337	# and global variables created in xs
2709	#Symbol::delete_package __PACKAGE__;	3338	#Symbol::delete_package __PACKAGE__;
2710		3339
…		…
2713	warn "reloading cf.pm";	3342	warn "reloading cf.pm";
2714	require cf;	3343	require cf;
2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3344	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2716		3345
2717	warn "loading config and database again";	3346	warn "loading config and database again";
2718	cf::cfg_load;	3347	cf::reload_config;
2719		3348
2720	warn "loading extensions";	3349	warn "loading extensions";
2721	cf::load_extensions;	3350	cf::load_extensions;
2722		3351
2723	warn "reattaching attachments to objects/players";	3352	warn "reattaching attachments to objects/players";
…		…
2788	my $signal = new Coro::Signal;	3417	my $signal = new Coro::Signal;
2789	push @WAIT_FOR_TICK_BEGIN, $signal;	3418	push @WAIT_FOR_TICK_BEGIN, $signal;
2790	$signal->wait;	3419	$signal->wait;
2791	}	3420	}
2792		3421
		3422	my $min = 1e6;#d#
		3423	my $avg = 10;
2793	$TICK_WATCHER = Event->timer (	3424	$TICK_WATCHER = Event->timer (
2794	reentrant => 0,	3425	reentrant => 0,
2795	parked => 1,	3426	parked => 1,
2796	prio => 0,	3427	prio => 0,
2797	at => $NEXT_TICK || $TICK,	3428	at => $NEXT_TICK || $TICK,
…		…
2801	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3432	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2802	unless ++$bug_warning > 10;	3433	unless ++$bug_warning > 10;
2803	return;	3434	return;
2804	}	3435	}
2805		3436
2806	$NOW = Event::time;	3437	$NOW = $tick_start = Event::time;
2807		3438
2808	cf::server_tick; # one server iteration	3439	cf::server_tick; # one server iteration
		3440
		3441	0 && sync_job {#d#
		3442	for(1..10) {
		3443	my $t = Event::time;
		3444	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3445	or die;
		3446
		3447	$map->width (50);
		3448	$map->height (50);
		3449	$map->alloc;
		3450	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3451	my $t = Event::time - $t;
		3452
		3453	#next unless $t < 0.0013;#d#
		3454	if ($t < $min) {
		3455	$min = $t;
		3456	}
		3457	$avg = $avg * 0.99 + $t * 0.01;
		3458	}
		3459	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3460	exit 0;
		3461	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3462	};
2809		3463
2810	$RUNTIME += $TICK;	3464	$RUNTIME += $TICK;
2811	$NEXT_TICK += $TICK;	3465	$NEXT_TICK += $TICK;
2812		3466
2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3467	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2819	}	3473	}
2820		3474
2821	# my $AFTER = Event::time;	3475	# my $AFTER = Event::time;
2822	# warn $AFTER - $NOW;#d#	3476	# warn $AFTER - $NOW;#d#
2823		3477
		3478	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3479	$sig->send;
		3480	}
		3481	while (my $sig = shift @WAIT_FOR_TICK) {
		3482	$sig->send;
		3483	}
		3484
		3485	$NOW = Event::time;
		3486
2824	# if we are delayed by four ticks or more, skip them all	3487	# if we are delayed by four ticks or more, skip them all
2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3488	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2826		3489
2827	$TICK_WATCHER->at ($NEXT_TICK);	3490	$TICK_WATCHER->at ($NEXT_TICK);
2828	$TICK_WATCHER->start;	3491	$TICK_WATCHER->start;
2829		3492
2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3493	$LOAD = ($NOW - $tick_start) / $TICK;
2831	$sig->send;	3494	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2832	}
2833	while (my $sig = shift @WAIT_FOR_TICK) {
2834	$sig->send;
2835	}
2836		3495
2837	_post_tick;	3496	_post_tick;
		3497
		3498
2838	},	3499	},
2839	);	3500	);
2840		3501
2841	{	3502	{
2842	BDB::max_poll_time $TICK * 0.1;	3503	BDB::max_poll_time $TICK * 0.1;
…		…
2870		3531
2871	cf::sync_job {	3532	cf::sync_job {
2872	eval {	3533	eval {
2873	BDB::db_env_open	3534	BDB::db_env_open
2874	$DB_ENV,	3535	$DB_ENV,
2875	$BDB_ENV_DIR,	3536	$BDBDIR,
2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3537	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3538	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2878	0666;	3539	0666;
2879		3540
2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3541	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2881		3542
2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3543	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2883	$DB_ENV->set_lk_detect;	3544	$DB_ENV->set_lk_detect;
2884	};	3545	};
2885		3546
…		…
2901	prio => 6,	3562	prio => 6,
2902	cb => \&IO::AIO::poll_cb,	3563	cb => \&IO::AIO::poll_cb,
2903	);	3564	);
2904	}	3565	}
2905		3566
		3567	my $_log_backtrace;
		3568
		3569	sub _log_backtrace {
		3570	my ($msg, @addr) = @_;
		3571
		3572	$msg =~ s/\n//;
		3573
		3574	# limit the # of concurrent backtraces
		3575	if ($_log_backtrace < 2) {
		3576	++$_log_backtrace;
		3577	async {
		3578	my @bt = fork_call {
		3579	@addr = map { sprintf "%x", $_ } @addr;
		3580	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3581	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3582	or die "addr2line: $!";
		3583
		3584	my @funcs;
		3585	my @res = <$fh>;
		3586	chomp for @res;
		3587	while (@res) {
		3588	my ($func, $line) = splice @res, 0, 2, ();
		3589	push @funcs, "[$func] $line";
		3590	}
		3591
		3592	@funcs
		3593	};
		3594
		3595	LOG llevInfo, "[ABT] $msg\n";
		3596	LOG llevInfo, "[ABT] $_\n" for @bt;
		3597	--$_log_backtrace;
		3598	};
		3599	} else {
		3600	LOG llevInfo, "[ABT] $msg\n";
		3601	LOG llevInfo, "[ABT] [suppressed]\n";
		3602	}
		3603	}
		3604
2906	# load additional modules	3605	# load additional modules
2907	use cf::pod;	3606	use cf::pod;
2908		3607
2909	END { cf::emergency_save }	3608	END { cf::emergency_save }
2910		3609

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