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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.252 by root, Wed Apr 18 15:28:18 2007 UTC vs.
Revision 1.354 by root, Sun Sep 2 12:26:54 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
…		…
75	our $RUNTIME;	90	our $RUNTIME;
76		91
77	our %PLAYER; # all users	92	our %PLAYER; # all users
78	our %MAP; # all maps	93	our %MAP; # 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).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
238		286
239	=cut	287	=cut
240		288
241	our %LOCK;	289	our %LOCK;
242		290
…		…
260		308
261	Coro::guard {	309	Coro::guard {
262	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
264	}	312	}
		313	}
		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
265	}	319	}
266		320
267	sub freeze_mainloop {	321	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
269		323
…		…
272	};	326	};
273	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
274	$guard	328	$guard
275	}	329	}
276		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
		385	}
		386
277	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
278		388
279	Currently the same as Coro::async_pool, meaning you cannot use	389	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	390	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.	391	thing you are allowed to do is call C<prio> on it.
…		…
284		394
285	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
286		396
287	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
288		398
289	The design of crossfire+ requires that the main coro ($Coro::main) is	399	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	400	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.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
292		403
293	If it must be done, put the blocking parts into C<sync_job>. This will run	404	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	405	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	406	server will be frozen during this time, so the block should either finish
296	fast or be very important.	407	fast or be very important.
…		…
299		410
300	sub sync_job(&) {	411	sub sync_job(&) {
301	my ($job) = @_;	412	my ($job) = @_;
302		413
303	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
304	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
306		419
307	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
319		432
320	while ($busy) {	433	while ($busy) {
321	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
322	}	435	}
323		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
324	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
325	} else {	445	} else {
326	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
327		447
328	$job->()	448	$job->()
…		…
347	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
348		468
349	$coro	469	$coro
350	}	470	}
351		471
352	sub write_runtime {	472	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		473
355	my $runtime = cf::localdir . "/runtime";	474	Executes the given code block with the given arguments in a seperate
		475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
356		478
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	479	=cut
358	or return;
359		480
360	my $value = $cf::RUNTIME + 90 + 10;	481	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	482	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		483
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	484	# we seemingly have to make a local copy of the whole thing,
365	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
366		487
367	# always fsync - this file is important	488	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	489	reset_signals;
369	and return;	490	&$cb
		491	}, @args;
370		492
371	close $fh	493	wantarray ? @res : $res[-1]
372	or return;	494	}
373		495
374	aio_rename "$runtime~", $runtime	496	=item $value = cf::db_get $family => $key
375	and return;
376		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
377	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
378	}	610	}
379		611
380	=item cf::datalog type => key => value, ...	612	=item cf::datalog type => key => value, ...
381		613
382	Log a datalog packet of the given type with the given key-value pairs.	614	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")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
402		634
403	In the following description, CLASS can be any of C<global>, C<object>	635	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	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	637	Crossfire TRT).
406		638
407	=over 4	639	=over 4
408		640
409	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
410		642
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
574		806
575	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		811
580	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	813	my $pkg = shift @arg;
582		814
583	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
613	}	845	}
614		846
615	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
616	} else {	848	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	850	}
619		851
620	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
621	}	853	}
622		854
…		…
624	if (ref $_[0]) {	856	if (ref $_[0]) {
625	_object_attach @_;	857	_object_attach @_;
626	} else {	858	} else {
627	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
628	}	860	}
		861	_recalc_want;
629	};	862	};
630		863
631	# all those should be optimised	864	# all those should be optimised
632	sub cf::attachable::detach {	865	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
637	reattach ($obj);	870	reattach ($obj);
638	} else {	871	} else {
639	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
640	}	873	}
		874	_recalc_want;
641	};	875	};
642		876
643	sub cf::attachable::attached {	877	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
645		879
…		…
660	";	894	";
661	die if $@;	895	die if $@;
662	}	896	}
663		897
664	our $override;	898	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		900
667	sub override {	901	sub override {
668	$override = 1;	902	$override = 1;
669	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
670	}	904	}
671		905
672	sub do_invoke {	906	sub do_invoke {
673	my $event = shift;	907	my $event = shift;
674	my $callbacks = shift;	908	my $callbacks = shift;
675		909
676	@invoke_results = ();	910	@INVOKE_RESULTS = ();
677		911
678	local $override;	912	local $override;
679		913
680	for (@$callbacks) {	914	for (@$callbacks) {
681	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
698		932
699	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
700		934
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	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	936	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		938
705	=back	939	=back
706		940
707	=cut	941	=cut
708		942
709	#############################################################################	943	#############################################################################
710	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
711		956
712	sub reattach {	957	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	959	my ($obj) = @_;
715		960
…		…
818	or return;	1063	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1065	}
821		1066
822	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
824	return ($data, $av);	1069	return ($data, $av);
825	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
826		1077
827	#############################################################################	1078	#############################################################################
828	# command handling &c	1079	# command handling &c
829		1080
830	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1095	}
845		1096
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1098
848	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
849		1104
850	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
851	called.	1106	called.
852		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
853	=cut	1119	=cut
854		1120
855	sub register_extcmd {	1121	sub register_extcmd {
856	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
857		1123
858	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
859	}	1131	}
860		1132
861	cf::player->attach (	1133	cf::player->attach (
862	on_command => sub {	1134	on_command => sub {
863	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1144	cf::override;
873	},	1145	},
874	on_extcmd => sub {	1146	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
876		1148
877	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1150
879	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
885	} else {	1166	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1168	}
888		1169
889	cf::override;	1170	cf::override;
890	},	1171	},
891	);	1172	);
892		1173
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 {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
928	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1179	next unless -r $path;
930	eval {	1180
931	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
932	1	1238	}
933	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
934	}	1244	};
935	}	1245	}
936		1246
937	#############################################################################	1247	#############################################################################
938		1248
		1249	=back
		1250
939	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
940		1252
941	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
942		1254
943	=cut	1255	=cut
…		…
955	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
956		1268
957	=cut	1269	=cut
958		1270
959	sub playerdir($) {	1271	sub playerdir($) {
960	cf::localdir	1272	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1274	}
966		1275
967	sub path($) {	1276	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1016		1325
1017	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1019		1328
1020	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1021	Coro::cede;	1330	cf::cede_to_tick;
1022	}	1331	}
1023		1332
1024	sub new($) {	1333	sub new($) {
1025	my ($login) = @_;	1334	my ($login) = @_;
1026		1335
…		…
1030	$self->{deny_save} = 1;	1339	$self->{deny_save} = 1;
1031		1340
1032	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1033		1342
1034	$self	1343	$self
		1344	}
		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
1035	}	1354	}
1036		1355
1037	=item $pl->quit_character	1356	=item $pl->quit_character
1038		1357
1039	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1089		1408
1090	=cut	1409	=cut
1091		1410
1092	sub list_logins {	1411	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1413	or return [];
1095		1414
1096	my @logins;	1415	my @logins;
1097		1416
1098	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
		1418	my $path = path $login;
		1419
		1420	# a .pst is a dead give-away for a valid player
		1421	unless (-e "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1422	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1423	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1424	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1425	}
1102		1426
1103	utf8::decode $login;	1427	utf8::decode $login;
1104	push @logins, $login;	1428	push @logins, $login;
1105	}	1429	}
1106		1430
…		…
1133	}	1457	}
1134		1458
1135	\@paths	1459	\@paths
1136	}	1460	}
1137		1461
		1462	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1463
		1464	Expand crossfire pod fragments into protocol xml.
		1465
		1466	=cut
		1467
		1468	sub expand_cfpod {
		1469	((my $self), (local $_)) = @_;
		1470
		1471	# escape & and <
		1472	s/&/&amp;/g;
		1473	s/(?<![BIUGHT])</&lt;/g;
		1474
		1475	# this is buggy, it needs to properly take care of nested <'s
		1476
		1477	1 while
		1478	# replace B<>, I<>, U<> etc.
		1479	s/B<([^\>]*)>/<b>$1<\/b>/
		1480	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1481	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1482	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1483	# replace G<male|female> tags
		1484	|| s{G<([^>|]*)\|([^>]*)>}{
		1485	$self->gender ? $2 : $1
		1486	}ge
		1487	# replace H<hint text>
		1488	|| s{H<([^\>]*)>}
		1489	{
		1490	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1491	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1492	"")
		1493	[$self->{hintmode}]
		1494	}ge;
		1495
		1496	# create single paragraphs (very hackish)
		1497	s/(?<=\S)\n(?=\w)/ /g;
		1498
		1499	# compress some whitespace
		1500	s/\s+\n/\n/g; # ws line-ends
		1501	s/\n\n+/\n/g; # double lines
		1502	s/^\n+//; # beginning lines
		1503	s/\n+$//; # ending lines
		1504
		1505	$_
		1506	}
		1507
		1508	sub hintmode {
		1509	$_[0]{hintmode} = $_[1] if @_ > 1;
		1510	$_[0]{hintmode}
		1511	}
		1512
1138	=item $player->ext_reply ($msgid, %msg)	1513	=item $player->ext_reply ($msgid, @msg)
1139		1514
1140	Sends an ext reply to the player.	1515	Sends an ext reply to the player.
1141		1516
1142	=cut	1517	=cut
1143		1518
1144	sub ext_reply($$%) {	1519	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1520	my ($self, $id, @msg) = @_;
1146		1521
1147	$msg{msgid} = $id;	1522	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1523	}
1151		1524
1152	=item $player->ext_event ($type, %msg)	1525	=item $player->ext_msg ($type, @msg)
1153		1526
1154	Sends an ext event to the client.	1527	Sends an ext event to the client.
1155		1528
1156	=cut	1529	=cut
1157		1530
1158	sub ext_event($$%) {	1531	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1532	my ($self, $type, @msg) = @_;
1160		1533
1161	$self->ns->ext_event ($type, %msg);	1534	$self->ns->ext_msg ($type, @msg);
1162	}	1535	}
1163		1536
1164	=head3 cf::region	1537	=head3 cf::region
1165		1538
1166	=over 4	1539	=over 4
…		…
1169		1542
1170	package cf::region;	1543	package cf::region;
1171		1544
1172	=item cf::region::find_by_path $path	1545	=item cf::region::find_by_path $path
1173		1546
1174	Tries to decuce the probable region for a map knowing only its path.	1547	Tries to decuce the likely region for a map knowing only its path.
1175		1548
1176	=cut	1549	=cut
1177		1550
1178	sub find_by_path($) {	1551	sub find_by_path($) {
1179	my ($path) = @_;	1552	my ($path) = @_;
1180		1553
1181	my ($match, $specificity);	1554	my ($match, $specificity);
1182		1555
1183	for my $region (list) {	1556	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1557	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1558	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1559	if $region->specificity > $specificity;
1187	}	1560	}
1188	}	1561	}
1189		1562
…		…
1253	my ($self, $merge) = @_;	1626	my ($self, $merge) = @_;
1254		1627
1255	# we have to keep some variables in memory intact	1628	# we have to keep some variables in memory intact
1256	local $self->{path};	1629	local $self->{path};
1257	local $self->{load_path};	1630	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1631
1261	$self->SUPER::thawer_merge ($merge);	1632	$self->SUPER::thawer_merge ($merge);
1262	}	1633	}
1263		1634
1264	sub normalise {	1635	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1682	$self->init; # pass $1 etc.
1312	return $self;	1683	return $self;
1313	}	1684	}
1314	}	1685	}
1315		1686
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1687	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1688	()
1318	}	1689	}
1319		1690
1320	sub init {	1691	sub init {
1321	my ($self) = @_;	1692	my ($self) = @_;
…		…
1336		1707
1337	# the original (read-only) location	1708	# the original (read-only) location
1338	sub load_path {	1709	sub load_path {
1339	my ($self) = @_;	1710	my ($self) = @_;
1340		1711
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1712	"$MAPDIR/$self->{path}.map"
1342	}	1713	}
1343		1714
1344	# the temporary/swap location	1715	# the temporary/swap location
1345	sub save_path {	1716	sub save_path {
1346	my ($self) = @_;	1717	my ($self) = @_;
1347		1718
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1719	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1720	"$TMPDIR/$path.map"
1350	}	1721	}
1351		1722
1352	# the unique path, undef == no special unique path	1723	# the unique path, undef == no special unique path
1353	sub uniq_path {	1724	sub uniq_path {
1354	my ($self) = @_;	1725	my ($self) = @_;
1355		1726
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1727	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1728	"$UNIQUEDIR/$path"
1358	}	1729	}
1359		1730
1360	# and all this just because we cannot iterate over	1731	# and all this just because we cannot iterate over
1361	# all maps in C++...	1732	# all maps in C++...
1362	sub change_all_map_light {	1733	sub change_all_map_light {
1363	my ($change) = @_;	1734	my ($change) = @_;
1364		1735
1365	$_->change_map_light ($change)	1736	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1737	for grep $_->outdoor, values %cf::MAP;
		1738	}
		1739
		1740	sub decay_objects {
		1741	my ($self) = @_;
		1742
		1743	return if $self->{deny_reset};
		1744
		1745	$self->do_decay_objects;
1367	}	1746	}
1368		1747
1369	sub unlink_save {	1748	sub unlink_save {
1370	my ($self) = @_;	1749	my ($self) = @_;
1371		1750
…		…
1429	$self->load_header_orig	1808	$self->load_header_orig
1430	or return;	1809	or return;
1431	$self->prepare_orig;	1810	$self->prepare_orig;
1432	}	1811	}
1433		1812
		1813	$self->{deny_reset} = 1
		1814	if $self->no_reset;
		1815
1434	$self->default_region (cf::region::find_by_path $self->{path})	1816	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1817	unless $self->default_region;
1436		1818
1437	1	1819	1
1438	}	1820	}
…		…
1453	$map->{last_save} = $cf::RUNTIME;	1835	$map->{last_save} = $cf::RUNTIME;
1454		1836
1455	$map->load_header	1837	$map->load_header
1456	or return;	1838	or return;
1457		1839
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1840	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1841	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1842	#$cf::WAIT_FOR_TICK->wait;
1461	$map->reset;	1843	$map->reset;
1462	undef $guard;	1844	undef $guard;
1463	return find $path;	1845	return find $path;
…		…
1474	my ($self) = @_;	1856	my ($self) = @_;
1475		1857
1476	local $self->{deny_reset} = 1; # loading can take a long time	1858	local $self->{deny_reset} = 1; # loading can take a long time
1477		1859
1478	my $path = $self->{path};	1860	my $path = $self->{path};
		1861
		1862	{
		1863	my $guard1 = cf::lock_acquire "map_data:$path";
1479	my $guard = cf::lock_acquire "map_load:$path";	1864	my $guard2 = cf::lock_acquire "map_load:$path";
1480		1865
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1866	return if $self->in_memory != cf::MAP_SWAPPED;
1482		1867
1483	$self->in_memory (cf::MAP_LOADING);	1868	$self->in_memory (cf::MAP_LOADING);
1484		1869
1485	$self->alloc;	1870	$self->alloc;
1486		1871
1487	$self->pre_load;	1872	$self->pre_load;
1488	Coro::cede;	1873	cf::cede_to_tick;
1489		1874
1490	$self->_load_objects ($self->{load_path}, 1)	1875	$self->_load_objects ($self->{load_path}, 1)
1491	or return;	1876	or return;
1492		1877
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1878	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494	if delete $self->{load_original};	1879	if delete $self->{load_original};
1495		1880
1496	if (my $uniq = $self->uniq_path) {	1881	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	1882	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	1883	if (aio_open $uniq, O_RDONLY, 0) {
1499	$self->clear_unique_items;	1884	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	1885	$self->_load_objects ($uniq, 0);
1501	}	1886	}
1502	}	1887	}
1503		1888
1504	Coro::cede;	1889	cf::cede_to_tick;
1505	# now do the right thing for maps	1890	# now do the right thing for maps
1506	$self->link_multipart_objects;	1891	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($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)	1892	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	1893	unless $self->difficulty;
1517	Coro::cede;	1894	cf::cede_to_tick;
		1895
		1896	unless ($self->{deny_activate}) {
		1897	$self->decay_objects;
		1898	$self->fix_auto_apply;
		1899	$self->update_buttons;
		1900	cf::cede_to_tick;
		1901	$self->set_darkness_map;
		1902	cf::cede_to_tick;
1518	$self->activate;	1903	$self->activate;
1519	Coro::cede;	1904	}
		1905
		1906	$self->{last_save} = $cf::RUNTIME;
		1907	$self->last_access ($cf::RUNTIME);
		1908
		1909	$self->in_memory (cf::MAP_IN_MEMORY);
1520	}	1910	}
1521		1911
1522	$self->post_load;	1912	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	1913	}
1527		1914
1528	sub customise_for {	1915	sub customise_for {
1529	my ($self, $ob) = @_;	1916	my ($self, $ob) = @_;
1530		1917
1531	return find "~" . $ob->name . "/" . $self->{path}	1918	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	1919	if $self->per_player;
1533		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
		1923
1534	$self	1924	$self
1535	}	1925	}
1536		1926
1537	# find and load all maps in the 3x3 area around a map	1927	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	1928	sub load_neighbours {
1539	my ($map) = @_;	1929	my ($map) = @_;
1540		1930
1541	my @diag; # diagonal neighbours	1931	my @neigh; # diagonal neighbours
1542		1932
1543	for (0 .. 3) {	1933	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	1934	my $neigh = $map->tile_path ($_)
1545	or next;	1935	or next;
1546	$neigh = find $neigh, $map	1936	$neigh = find $neigh, $map
1547	or next;	1937	or next;
1548	$neigh->load;	1938	$neigh->load;
1549		1939
		1940	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1941	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1942	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	1943	}
1553		1944
1554	for (@diag) {	1945	for (grep defined $_->[0], @neigh) {
		1946	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	1947	my $neigh = find $path, $origin
1556	or next;	1948	or next;
1557	$neigh->load;	1949	$neigh->load;
1558	}	1950	}
1559	}	1951	}
1560		1952
…		…
1565	}	1957	}
1566		1958
1567	sub do_load_sync {	1959	sub do_load_sync {
1568	my ($map) = @_;	1960	my ($map) = @_;
1569		1961
		1962	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1963	if $Coro::current == $Coro::main;
		1964
1570	cf::sync_job { $map->load };	1965	cf::sync_job { $map->load };
1571	}	1966	}
1572		1967
1573	our %MAP_PREFETCH;	1968	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	1969	our $MAP_PREFETCHER = undef;
1575		1970
1576	sub find_async {	1971	sub find_async {
1577	my ($path, $origin) = @_;	1972	my ($path, $origin, $load) = @_;
1578		1973
1579	$path = normalise $path, $origin && $origin->{path};	1974	$path = normalise $path, $origin && $origin->{path};
1580		1975
1581	if (my $map = $cf::MAP{$path}) {	1976	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1977	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1583	}	1978	}
1584		1979
1585	undef $MAP_PREFETCH{$path};	1980	$MAP_PREFETCH{$path} |= $load;
		1981
1586	$MAP_PREFETCHER ||= cf::async {	1982	$MAP_PREFETCHER ||= cf::async {
1587	while (%MAP_PREFETCH) {	1983	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	1984	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	1985	if (my $map = find $k) {
1590	or next;
1591	$map->load;	1986	$map->load if $v;
		1987	}
1592		1988
1593	delete $MAP_PREFETCH{$path};	1989	delete $MAP_PREFETCH{$k};
1594	}	1990	}
1595	}	1991	}
1596	undef $MAP_PREFETCHER;	1992	undef $MAP_PREFETCHER;
1597	};	1993	};
1598	$MAP_PREFETCHER->prio (6);	1994	$MAP_PREFETCHER->prio (6);
…		…
1601	}	1997	}
1602		1998
1603	sub save {	1999	sub save {
1604	my ($self) = @_;	2000	my ($self) = @_;
1605		2001
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2002	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2003
1608	$self->{last_save} = $cf::RUNTIME;	2004	$self->{last_save} = $cf::RUNTIME;
1609		2005
1610	return unless $self->dirty;	2006	return unless $self->dirty;
1611		2007
…		…
1634	my ($self) = @_;	2030	my ($self) = @_;
1635		2031
1636	# save first because save cedes	2032	# save first because save cedes
1637	$self->save;	2033	$self->save;
1638		2034
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2035	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2036
1641	return if $self->players;	2037	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2038	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};	2039	return if $self->{deny_save};
1644		2040
…		…
1648		2044
1649	sub reset_at {	2045	sub reset_at {
1650	my ($self) = @_;	2046	my ($self) = @_;
1651		2047
1652	# TODO: safety, remove and allow resettable per-player maps	2048	# 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};	2049	return 1e99 if $self->{deny_reset};
1655		2050
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2053
…		…
1669	my ($self) = @_;	2064	my ($self) = @_;
1670		2065
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2067
1673	return if $self->players;	2068	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2069
1676	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
1677		2071
1678	$self->in_memory (cf::MAP_SWAPPED);	2072	$self->in_memory (cf::MAP_SWAPPED);
1679		2073
1680	# need to save uniques path	2074	# need to save uniques path
1681	unless ($self->{deny_save}) {	2075	unless ($self->{deny_save}) {
…		…
1698	my $nuke_counter = "aaaa";	2092	my $nuke_counter = "aaaa";
1699		2093
1700	sub nuke {	2094	sub nuke {
1701	my ($self) = @_;	2095	my ($self) = @_;
1702		2096
		2097	{
		2098	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2099
1703	delete $cf::MAP{$self->path};	2100	delete $cf::MAP{$self->path};
1704		2101
1705	$self->unlink_save;	2102	$self->unlink_save;
1706		2103
1707	bless $self, "cf::map";	2104	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2105	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2106	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2107	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2108	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2109
1713	$cf::MAP{$self->path} = $self;	2110	$cf::MAP{$self->path} = $self;
		2111	}
1714		2112
1715	$self->reset; # polite request, might not happen	2113	$self->reset; # polite request, might not happen
		2114	}
		2115
		2116	=item $maps = cf::map::tmp_maps
		2117
		2118	Returns an arrayref with all map paths of currently instantiated and saved
		2119	maps. May block.
		2120
		2121	=cut
		2122
		2123	sub tmp_maps() {
		2124	[
		2125	map {
		2126	utf8::decode $_;
		2127	/\.map$/
		2128	? normalise $_
		2129	: ()
		2130	} @{ aio_readdir $TMPDIR or [] }
		2131	]
		2132	}
		2133
		2134	=item $maps = cf::map::random_maps
		2135
		2136	Returns an arrayref with all map paths of currently instantiated and saved
		2137	random maps. May block.
		2138
		2139	=cut
		2140
		2141	sub random_maps() {
		2142	[
		2143	map {
		2144	utf8::decode $_;
		2145	/\.map$/
		2146	? normalise "?random/$_"
		2147	: ()
		2148	} @{ aio_readdir $RANDOMDIR or [] }
		2149	]
1716	}	2150	}
1717		2151
1718	=item cf::map::unique_maps	2152	=item cf::map::unique_maps
1719		2153
1720	Returns an arrayref of paths of all shared maps that have	2154	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2155	instantiated unique items. May block.
1722		2156
1723	=cut	2157	=cut
1724		2158
1725	sub unique_maps() {	2159	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2160	[
1727	or return;	2161	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2162	utf8::decode $_;
1733	next if /\.pst$/;	2163	/\.map$/
1734	next unless /^$PATH_SEP/o;	2164	? normalise $_
1735		2165	: ()
1736	push @paths, cf::map::normalise $_;	2166	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2167	]
1738
1739	\@paths
1740	}	2168	}
1741		2169
1742	package cf;	2170	package cf;
1743		2171
1744	=back	2172	=back
…		…
1790		2218
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2219	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2220
1793	if ($self->{record_replies}) {	2221	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2222	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2223
1795	} else {	2224	} else {
		2225	my $pl = $self->contr;
		2226
		2227	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2228	my $dialog = $pl->{npc_dialog};
		2229	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2230
		2231	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2232	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2233	$self->message ($msg, $flags);
		2234	}
1798	}	2235	}
		2236	}
		2237
		2238	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2239
		2240	=cut
		2241
		2242	sub cf::object::send_msg {
		2243	my $pl = shift->contr
		2244	or return;
		2245	$pl->send_msg (@_);
1799	}	2246	}
1800		2247
1801	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1802		2249
1803	Returns wether the given player is authorized to access resource "access"	2250	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1851		2298
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2300
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1856		2303
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2305	}
1859		2306
1860	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1862		2311
1863	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1864		2313
1865	unless ($map) {	2314	unless ($map) {
1866	# restore original map position	2315	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2329	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2330	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2331	if $x <=0 && $y <= 0;
1883		2332
1884	$map->load;	2333	$map->load;
1885	$map->load_diag;	2334	$map->load_neighbours;
1886		2335
1887	return unless $self->contr->active;	2336	return unless $self->contr->active;
1888	$self->activate_recursive;	2337	$self->activate_recursive;
1889		2338
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1892	}	2341	}
1893		2342
1894	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2344
1898	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1902	};	2349	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2350
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	2351	=cut
		2352
		2353	our $GOTOGEN;
1929		2354
1930	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2356	my ($self, $path, $x, $y, $check, $done) = @_;
		2357
		2358	# do generation counting so two concurrent goto's will be executed in-order
		2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2360
1933	$self->enter_link;	2361	$self->enter_link;
1934		2362
1935	(async {	2363	(async {
1936	my $map = eval {	2364	my $map = eval {
1937	my $map = cf::map::find $path;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2368	$map = $map->customise_for ($self);
		2369	$map = $check->($map) if $check && $map;
		2370	} else {
		2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2372	}
		2373
1939	$map	2374	$map
		2375	};
		2376
		2377	if ($@) {
		2378	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2379	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2380	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2381
		2382	if ($gen == $self->{_goto_generation}) {
		2383	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1944	})->prio (1);	2388	})->prio (1);
1945	}	2389	}
1946		2390
1947	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
1948		2392
…		…
1987		2431
1988	$rmp->{random_seed} ||= $exit->random_seed;	2432	$rmp->{random_seed} ||= $exit->random_seed;
1989		2433
1990	my $data = cf::to_json $rmp;	2434	my $data = cf::to_json $rmp;
1991	my $md5 = Digest::MD5::md5_hex $data;	2435	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2436	my $meta = "$RANDOMDIR/$md5.meta";
1993		2437
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2439	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2440	undef $fh;
1997	aio_rename "$meta~", $meta;	2441	aio_rename "$meta~", $meta;
…		…
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;	2461	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;	2462	my $sp = $exit->stats->sp;
2019		2463
2020	$self->enter_link;	2464	$self->enter_link;
		2465
		2466	# if exit is damned, update players death & WoR home-position
		2467	$self->contr->savebed ($slaying, $hp, $sp)
		2468	if $exit->flag (FLAG_DAMNED);
2021		2469
2022	(async {	2470	(async {
2023	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
2024	unless (eval {	2472	unless (eval {
2025	$self->goto ($slaying, $hp, $sp);	2473	$self->goto ($slaying, $hp, $sp);
…		…
2053		2501
2054	utf8::encode $text;	2502	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2504	}
2057		2505
		2506	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	Send a drawinfo or msg packet to the client, formatting the msg for the
		2509	client if neccessary. C<$type> should be a string identifying the type of
		2510	the message, with C<log> being the default. If C<$color> is negative, suppress
		2511	the message unless the client supports the msg packet.
		2512
		2513	=cut
		2514
		2515	our %CHANNEL = (
		2516	"c/identify" => {
		2517	id => "identify",
		2518	title => "Identify",
		2519	reply => undef,
		2520	tooltip => "Items recently identified",
		2521	},
		2522	"c/examine" => {
		2523	id => "examine",
		2524	title => "Examine",
		2525	reply => undef,
		2526	tooltip => "Signs and other items you examined",
		2527	},
		2528	);
		2529
		2530	sub cf::client::send_msg {
		2531	my ($self, $channel, $msg, $color, @extra) = @_;
		2532
		2533	$msg = $self->pl->expand_cfpod ($msg);
		2534
		2535	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2536
		2537	# check predefined channels, for the benefit of C
		2538	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2539
		2540	if (ref $channel) {
		2541	# send meta info to client, if not yet sent
		2542	unless (exists $self->{channel}{$channel->{id}}) {
		2543	$self->{channel}{$channel->{id}} = $channel;
		2544	$self->ext_msg (channel_info => $channel)
		2545	if $self->can_msg;
		2546	}
		2547
		2548	$channel = $channel->{id};
		2549	}
		2550
		2551	return unless @extra || length $msg;
		2552
		2553	if ($self->can_msg) {
		2554	# default colour, mask it out
		2555	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2556	if $color & cf::NDI_DEF;
		2557
		2558	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2559	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2560	} else {
		2561	if ($color >= 0) {
		2562	# replace some tags by gcfclient-compatible ones
		2563	for ($msg) {
		2564	1 while
		2565	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2566	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2567	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2568	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2569	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2570	}
		2571
		2572	$color &= cf::NDI_COLOR_MASK;
		2573
		2574	utf8::encode $msg;
		2575
		2576	if (0 && $msg =~ /\[/) {
		2577	# COMMAND/INFO
		2578	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2579	} else {
		2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2581	$self->send_packet ("drawinfo $color $msg")
		2582	}
		2583	}
		2584	}
		2585	}
		2586
2058	=item $client->ext_event ($type, %msg)	2587	=item $client->ext_msg ($type, @msg)
2059		2588
2060	Sends an exti event to the client.	2589	Sends an ext event to the client.
2061		2590
2062	=cut	2591	=cut
2063		2592
2064	sub cf::client::ext_event($$%) {	2593	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2594	my ($self, $type, @msg) = @_;
2066		2595
		2596	if ($self->extcmd == 2) {
		2597	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2598	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2599	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2600	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2601	}
		2602	}
		2603
		2604	=item $client->ext_reply ($msgid, @msg)
		2605
		2606	Sends an ext reply to the client.
		2607
		2608	=cut
		2609
		2610	sub cf::client::ext_reply($$@) {
		2611	my ($self, $id, @msg) = @_;
		2612
		2613	if ($self->extcmd == 2) {
		2614	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2615	} elsif ($self->extcmd == 1) {
		2616	#TODO: version 1, remove
		2617	unshift @msg, msgtype => "reply", msgid => $id;
		2618	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2619	}
2069	}	2620	}
2070		2621
2071	=item $success = $client->query ($flags, "text", \&cb)	2622	=item $success = $client->query ($flags, "text", \&cb)
2072		2623
2073	Queues a query to the client, calling the given callback with	2624	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>,	2625	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>.	2626	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2627
2077	Queries can fail, so check the return code. Or don't, as queries will become	2628	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2629	become reliable at some point in the future.
2079		2630
2080	=cut	2631	=cut
2081		2632
2082	sub cf::client::query {	2633	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2634	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2642	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2643	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2644
2094	$self->send_packet ($self->{query_queue}[0][0])	2645	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2646	if @{ $self->{query_queue} } == 1;
		2647
		2648	1
2096	}	2649	}
2097		2650
2098	cf::client->attach (	2651	cf::client->attach (
		2652	on_connect => sub {
		2653	my ($ns) = @_;
		2654
		2655	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2656	},
2099	on_reply => sub {	2657	on_reply => sub {
2100	my ($ns, $msg) = @_;	2658	my ($ns, $msg) = @_;
2101		2659
2102	# this weird shuffling is so that direct followup queries	2660	# this weird shuffling is so that direct followup queries
2103	# get handled first	2661	# get handled first
…		…
2115	} else {	2673	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2674	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2675	}
2118	}	2676	}
2119	},	2677	},
		2678	on_exticmd => sub {
		2679	my ($ns, $buf) = @_;
		2680
		2681	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2682
		2683	if (ref $msg) {
		2684	my ($type, $reply, @payload) =
		2685	"ARRAY" eq ref $msg
		2686	? @$msg
		2687	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2688
		2689	my @reply;
		2690
		2691	if (my $cb = $EXTICMD{$type}) {
		2692	@reply = $cb->($ns, @payload);
		2693	}
		2694
		2695	$ns->ext_reply ($reply, @reply)
		2696	if $reply;
		2697
		2698	} else {
		2699	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2700	}
		2701
		2702	cf::override;
		2703	},
2120	);	2704	);
2121		2705
2122	=item $client->async (\&cb)	2706	=item $client->async (\&cb)
2123		2707
2124	Create a new coroutine, running the specified callback. The coroutine will	2708	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	2749	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	2750	our $safe_hole = new Safe::Hole;
2167		2751
2168	$SIG{FPE} = 'IGNORE';	2752	$SIG{FPE} = 'IGNORE';
2169		2753
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2754	$safe->permit_only (Opcode::opset qw(
		2755	:base_core :base_mem :base_orig :base_math
		2756	grepstart grepwhile mapstart mapwhile
		2757	sort time
		2758	));
2171		2759
2172	# here we export the classes and methods available to script code	2760	# here we export the classes and methods available to script code
2173		2761
2174	=pod	2762	=pod
2175		2763
2176	The following functions and methods are available within a safe environment:	2764	The following functions and methods are available within a safe environment:
2177		2765
2178	cf::object contr pay_amount pay_player map	2766	cf::object
		2767	contr pay_amount pay_player map x y force_find force_add
		2768	insert remove name archname title slaying race decrease_ob_nr
		2769
2179	cf::object::player player	2770	cf::object::player
2180	cf::player peaceful	2771	player
2181	cf::map trigger	2772
		2773	cf::player
		2774	peaceful
		2775
		2776	cf::map
		2777	trigger
2182		2778
2183	=cut	2779	=cut
2184		2780
2185	for (	2781	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	2782	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2783	insert remove inv name archname title slaying race
		2784	decrease_ob_nr)],
2187	["cf::object::player" => qw(player)],	2785	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	2786	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	2787	["cf::map" => qw(trigger)],
2190	) {	2788	) {
2191	no strict 'refs';	2789	no strict 'refs';
…		…
2262	=back	2860	=back
2263		2861
2264	=cut	2862	=cut
2265		2863
2266	#############################################################################	2864	#############################################################################
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 $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434
2435	#############################################################################
2436	# the server's init and main functions	2865	# the server's init and main functions
2437		2866
2438	sub load_facedata($) {	2867	sub load_facedata($) {
2439	my ($path) = @_;	2868	my ($path) = @_;
		2869
		2870	# HACK to clear player env face cache, we need some signal framework
		2871	# for this (global event?)
		2872	%ext::player_env::MUSIC_FACE_CACHE = ();
		2873
		2874	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2440		2875
2441	warn "loading facedata from $path\n";	2876	warn "loading facedata from $path\n";
2442		2877
2443	my $facedata;	2878	my $facedata;
2444	0 < aio_load $path, $facedata	2879	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	2882	$facedata = Coro::Storable::thaw $facedata;
2448		2883
2449	$facedata->{version} == 2	2884	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	2885	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		2886
		2887	# patch in the exptable
		2888	$facedata->{resource}{"res/exp_table"} = {
		2889	type => FT_RSRC,
		2890	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2891	};
		2892	cf::cede_to_tick;
		2893
2452	{	2894	{
2453	my $faces = $facedata->{faceinfo};	2895	my $faces = $facedata->{faceinfo};
2454		2896
2455	while (my ($face, $info) = each %$faces) {	2897	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2898	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2899	cf::face::set_visibility $idx, $info->{visibility};
		2900	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2901	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2902	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460	Coro::cede;	2903
		2904	cf::cede_to_tick;
2461	}	2905	}
2462		2906
2463	while (my ($face, $info) = each %$faces) {	2907	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	2908	next unless $info->{smooth};
2465	my $idx = cf::face::find $face	2909	my $idx = cf::face::find $face
2466	or next;	2910	or next;
2467	if (my $smooth = cf::face::find $info->{smooth}) {	2911	if (my $smooth = cf::face::find $info->{smooth}) {
		2912	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2913	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	2914	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	2915	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	2916	}
2472	Coro::cede;	2917
		2918	cf::cede_to_tick;
2473	}	2919	}
2474	}	2920	}
2475		2921
2476	{	2922	{
2477	my $anims = $facedata->{animinfo};	2923	my $anims = $facedata->{animinfo};
2478		2924
2479	while (my ($anim, $info) = each %$anims) {	2925	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	2926	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	2927	cf::cede_to_tick;
2482	}	2928	}
2483		2929
2484	cf::anim::invalidate_all; # d'oh	2930	cf::anim::invalidate_all; # d'oh
2485	}	2931	}
2486		2932
		2933	{
		2934	# TODO: for gcfclient pleasure, we should give resources
		2935	# that gcfclient doesn't grok a >10000 face index.
		2936	my $res = $facedata->{resource};
		2937
		2938	my $soundconf = delete $res->{"res/sound.conf"};
		2939
		2940	while (my ($name, $info) = each %$res) {
		2941	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2942	my $data;
		2943
		2944	if ($info->{type} & 1) {
		2945	# prepend meta info
		2946
		2947	my $meta = $enc->encode ({
		2948	name => $name,
		2949	%{ $info->{meta} || {} },
		2950	});
		2951
		2952	$data = pack "(w/a*)*", $meta, $info->{data};
		2953	} else {
		2954	$data = $info->{data};
		2955	}
		2956
		2957	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2958	cf::face::set_type $idx, $info->{type};
		2959
		2960	cf::cede_to_tick;
		2961	}
		2962
		2963	if ($soundconf) {
		2964	$soundconf = $enc->decode (delete $soundconf->{data});
		2965
		2966	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2967	my $sound = $soundconf->{compat}[$_]
		2968	or next;
		2969
		2970	my $face = cf::face::find "sound/$sound->[1]";
		2971	cf::sound::set $sound->[0] => $face;
		2972	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2973	}
		2974
		2975	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2976	my $face = cf::face::find "sound/$v";
		2977	cf::sound::set $k => $face;
		2978	}
		2979	}
		2980	}
		2981
2487	1	2982	1
2488	}	2983	}
2489		2984
		2985	register_exticmd fx_want => sub {
		2986	my ($ns, $want) = @_;
		2987
		2988	while (my ($k, $v) = each %$want) {
		2989	$ns->fx_want ($k, $v);
		2990	}
		2991	};
		2992
		2993	sub reload_regions {
		2994	# HACK to clear player env face cache, we need some signal framework
		2995	# for this (global event?)
		2996	%ext::player_env::MUSIC_FACE_CACHE = ();
		2997
		2998	load_resource_file "$MAPDIR/regions"
		2999	or die "unable to load regions file\n";
		3000
		3001	for (cf::region::list) {
		3002	$_->{match} = qr/$_->{match}/
		3003	if exists $_->{match};
		3004	}
		3005	}
		3006
2490	sub reload_facedata {	3007	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3008	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3009	or die "unable to load facedata\n";
2493	}	3010	}
2494		3011
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 {	3012	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3013	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3014	or die "unable to load archetypes\n";
		3015	#d# NEED to laod twice to resolve forward references
		3016	# this really needs to be done in an extra post-pass
		3017	# (which needs to be synchronous, so solve it differently)
		3018	load_resource_file "$DATADIR/archetypes"
		3019	or die "unable to load archetypes\n";
2503	}	3020	}
2504		3021
2505	sub reload_treasures {	3022	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3023	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3024	or die "unable to load treasurelists\n";
2508	}	3025	}
2509		3026
2510	sub reload_resources {	3027	sub reload_resources {
2511	warn "reloading resource files...\n";	3028	warn "reloading resource files...\n";
2512		3029
2513	reload_regions;	3030	reload_regions;
2514	reload_facedata;	3031	reload_facedata;
		3032	#reload_archetypes;#d#
2515	reload_archetypes;	3033	reload_archetypes;
2516	reload_treasures;	3034	reload_treasures;
2517		3035
2518	warn "finished reloading resource files\n";	3036	warn "finished reloading resource files\n";
2519	}	3037	}
2520		3038
2521	sub init {	3039	sub init {
2522	reload_resources;	3040	reload_resources;
2523	}	3041	}
2524		3042
2525	sub cfg_load {	3043	sub reload_config {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3044	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3045	or return;
2528		3046
2529	local $/;	3047	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3048	*CFG = YAML::Syck::Load <$fh>;
2531		3049
…		…
2550	(async {	3068	(async {
2551	Event::one_event;	3069	Event::one_event;
2552	})->prio (Coro::PRIO_MAX);	3070	})->prio (Coro::PRIO_MAX);
2553	};	3071	};
2554		3072
2555	cfg_load;	3073	reload_config;
2556	db_init;	3074	db_init;
2557	load_extensions;	3075	load_extensions;
2558		3076
2559	$TICK_WATCHER->start;	3077	$TICK_WATCHER->start;
2560	Event::loop;	3078	Event::loop;
…		…
2576	},	3094	},
2577	);	3095	);
2578	}	3096	}
2579	}	3097	}
2580		3098
		3099	sub write_runtime {
		3100	my $runtime = "$LOCALDIR/runtime";
		3101
		3102	# first touch the runtime file to show we are still running:
		3103	# the fsync below can take a very very long time.
		3104
		3105	IO::AIO::aio_utime $runtime, undef, undef;
		3106
		3107	my $guard = cf::lock_acquire "write_runtime";
		3108
		3109	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3110	or return;
		3111
		3112	my $value = $cf::RUNTIME + 90 + 10;
		3113	# 10 is the runtime save interval, for a monotonic clock
		3114	# 60 allows for the watchdog to kill the server.
		3115
		3116	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3117	and return;
		3118
		3119	# always fsync - this file is important
		3120	aio_fsync $fh
		3121	and return;
		3122
		3123	# touch it again to show we are up-to-date
		3124	aio_utime $fh, undef, undef;
		3125
		3126	close $fh
		3127	or return;
		3128
		3129	aio_rename "$runtime~", $runtime
		3130	and return;
		3131
		3132	warn "runtime file written.\n";
		3133
		3134	1
		3135	}
		3136
2581	sub emergency_save() {	3137	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3138	my $freeze_guard = cf::freeze_mainloop;
2583		3139
2584	warn "enter emergency perl save\n";	3140	warn "enter emergency perl save\n";
2585		3141
…		…
2660	%EXT_CORO = ();	3216	%EXT_CORO = ();
2661		3217
2662	warn "removing commands";	3218	warn "removing commands";
2663	%COMMAND = ();	3219	%COMMAND = ();
2664		3220
2665	warn "removing ext commands";	3221	warn "removing ext/exti commands";
2666	%EXTCMD = ();	3222	%EXTCMD = ();
		3223	%EXTICMD = ();
2667		3224
2668	warn "unloading/nuking all extensions";	3225	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3226	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3227	warn "... unloading $pkg";
2671		3228
…		…
2714	warn "reloading cf.pm";	3271	warn "reloading cf.pm";
2715	require cf;	3272	require cf;
2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3273	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2717		3274
2718	warn "loading config and database again";	3275	warn "loading config and database again";
2719	cf::cfg_load;	3276	cf::reload_config;
2720		3277
2721	warn "loading extensions";	3278	warn "loading extensions";
2722	cf::load_extensions;	3279	cf::load_extensions;
2723		3280
2724	warn "reattaching attachments to objects/players";	3281	warn "reattaching attachments to objects/players";
…		…
2789	my $signal = new Coro::Signal;	3346	my $signal = new Coro::Signal;
2790	push @WAIT_FOR_TICK_BEGIN, $signal;	3347	push @WAIT_FOR_TICK_BEGIN, $signal;
2791	$signal->wait;	3348	$signal->wait;
2792	}	3349	}
2793		3350
		3351	my $min = 1e6;#d#
		3352	my $avg = 10;
2794	$TICK_WATCHER = Event->timer (	3353	$TICK_WATCHER = Event->timer (
2795	reentrant => 0,	3354	reentrant => 0,
2796	parked => 1,	3355	parked => 1,
2797	prio => 0,	3356	prio => 0,
2798	at => $NEXT_TICK || $TICK,	3357	at => $NEXT_TICK || $TICK,
…		…
2802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3361	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2803	unless ++$bug_warning > 10;	3362	unless ++$bug_warning > 10;
2804	return;	3363	return;
2805	}	3364	}
2806		3365
2807	$NOW = Event::time;	3366	$NOW = $tick_start = Event::time;
2808		3367
2809	cf::server_tick; # one server iteration	3368	cf::server_tick; # one server iteration
		3369
		3370	0 && sync_job {#d#
		3371	for(1..10) {
		3372	my $t = Event::time;
		3373	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3374	or die;
		3375
		3376	$map->width (50);
		3377	$map->height (50);
		3378	$map->alloc;
		3379	$map->_load_objects ("/tmp/x.map", 1);
		3380	my $t = Event::time - $t;
		3381
		3382	#next unless $t < 0.0013;#d#
		3383	if ($t < $min) {
		3384	$min = $t;
		3385	}
		3386	$avg = $avg * 0.99 + $t * 0.01;
		3387	}
		3388	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3389	exit 0;
		3390	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3391	};
2810		3392
2811	$RUNTIME += $TICK;	3393	$RUNTIME += $TICK;
2812	$NEXT_TICK += $TICK;	3394	$NEXT_TICK += $TICK;
2813		3395
2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3396	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2820	}	3402	}
2821		3403
2822	# my $AFTER = Event::time;	3404	# my $AFTER = Event::time;
2823	# warn $AFTER - $NOW;#d#	3405	# warn $AFTER - $NOW;#d#
2824		3406
		3407	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3408	$sig->send;
		3409	}
		3410	while (my $sig = shift @WAIT_FOR_TICK) {
		3411	$sig->send;
		3412	}
		3413
		3414	$NOW = Event::time;
		3415
2825	# if we are delayed by four ticks or more, skip them all	3416	# if we are delayed by four ticks or more, skip them all
2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3417	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2827		3418
2828	$TICK_WATCHER->at ($NEXT_TICK);	3419	$TICK_WATCHER->at ($NEXT_TICK);
2829	$TICK_WATCHER->start;	3420	$TICK_WATCHER->start;
2830		3421
2831	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3422	$LOAD = ($NOW - $tick_start) / $TICK;
2832	$sig->send;	3423	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2833	}
2834	while (my $sig = shift @WAIT_FOR_TICK) {
2835	$sig->send;
2836	}
2837		3424
2838	_post_tick;	3425	_post_tick;
		3426
		3427
2839	},	3428	},
2840	);	3429	);
2841		3430
2842	{	3431	{
2843	BDB::max_poll_time $TICK * 0.1;	3432	BDB::max_poll_time $TICK * 0.1;
…		…
2871		3460
2872	cf::sync_job {	3461	cf::sync_job {
2873	eval {	3462	eval {
2874	BDB::db_env_open	3463	BDB::db_env_open
2875	$DB_ENV,	3464	$DB_ENV,
2876	$BDB_ENV_DIR,	3465	$BDBDIR,
2877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3466	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3467	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2879	0666;	3468	0666;
2880		3469
2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3470	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2882		3471
2883	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3472	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2884	$DB_ENV->set_lk_detect;	3473	$DB_ENV->set_lk_detect;
2885	};	3474	};
2886		3475
…		…
2902	prio => 6,	3491	prio => 6,
2903	cb => \&IO::AIO::poll_cb,	3492	cb => \&IO::AIO::poll_cb,
2904	);	3493	);
2905	}	3494	}
2906		3495
		3496	my $_log_backtrace;
		3497
		3498	sub _log_backtrace {
		3499	my ($msg, @addr) = @_;
		3500
		3501	$msg =~ s/\n//;
		3502
		3503	# limit the # of concurrent backtraces
		3504	if ($_log_backtrace < 2) {
		3505	++$_log_backtrace;
		3506	async {
		3507	my @bt = fork_call {
		3508	@addr = map { sprintf "%x", $_ } @addr;
		3509	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3510	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3511	or die "addr2line: $!";
		3512
		3513	my @funcs;
		3514	my @res = <$fh>;
		3515	chomp for @res;
		3516	while (@res) {
		3517	my ($func, $line) = splice @res, 0, 2, ();
		3518	push @funcs, "[$func] $line";
		3519	}
		3520
		3521	@funcs
		3522	};
		3523
		3524	LOG llevInfo, "[ABT] $msg\n";
		3525	LOG llevInfo, "[ABT] $_\n" for @bt;
		3526	--$_log_backtrace;
		3527	};
		3528	} else {
		3529	LOG llevInfo, "[ABT] $msg\n";
		3530	LOG llevInfo, "[ABT] [suppressed]\n";
		3531	}
		3532	}
		3533
2907	# load additional modules	3534	# load additional modules
2908	use cf::pod;	3535	use cf::pod;
2909		3536
2910	END { cf::emergency_save }	3537	END { cf::emergency_save }
2911		3538

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