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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 1.342 by root, Sun Aug 26 15:31:02 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 1.4 ();
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
…		…
234	returned.	275	returned.
235		276
236	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
238		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
239	=cut	284	=cut
240		285
241	our %LOCK;	286	our %LOCK;
242		287
243	sub lock_wait($) {	288	sub lock_wait($) {
…		…
260		305
261	Coro::guard {	306	Coro::guard {
262	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
264	}	309	}
		310	}
		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
265	}	316	}
266		317
267	sub freeze_mainloop {	318	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
269		320
…		…
272	};	323	};
273	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
274	$guard	325	$guard
275	}	326	}
276		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
		382	}
		383
277	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
278		385
279	Currently the same as Coro::async_pool, meaning you cannot use	386	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	387	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.	388	thing you are allowed to do is call C<prio> on it.
…		…
284		391
285	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
286		393
287	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
288		395
289	The design of crossfire+ requires that the main coro ($Coro::main) is	396	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	397	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.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
292		400
293	If it must be done, put the blocking parts into C<sync_job>. This will run	401	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	402	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	403	server will be frozen during this time, so the block should either finish
296	fast or be very important.	404	fast or be very important.
…		…
299		407
300	sub sync_job(&) {	408	sub sync_job(&) {
301	my ($job) = @_;	409	my ($job) = @_;
302		410
303	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
304	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
306		416
307	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
319		429
320	while ($busy) {	430	while ($busy) {
321	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
322	}	432	}
323		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
324	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
325	} else {	442	} else {
326	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
327		444
328	$job->()	445	$job->()
…		…
347	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
348		465
349	$coro	466	$coro
350	}	467	}
351		468
352	sub write_runtime {	469	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		470
355	my $runtime = cf::localdir . "/runtime";	471	Executes the given code block with the given arguments in a seperate
		472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
356		475
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	476	=cut
358	or return;
359		477
360	my $value = $cf::RUNTIME + 90 + 10;	478	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	479	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		480
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	# we seemingly have to make a local copy of the whole thing,
365	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
366		484
367	# always fsync - this file is important	485	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	486	reset_signals;
369	and return;	487	&$cb
		488	}, @args;
370		489
371	close $fh	490	wantarray ? @res : $res[-1]
372	or return;	491	}
373		492
374	aio_rename "$runtime~", $runtime	493	=item $value = cf::db_get $family => $key
375	and return;
376		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
377	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
378	}	607	}
379		608
380	=item cf::datalog type => key => value, ...	609	=item cf::datalog type => key => value, ...
381		610
382	Log a datalog packet of the given type with the given key-value pairs.	611	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")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
402		631
403	In the following description, CLASS can be any of C<global>, C<object>	632	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	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	634	Crossfire TRT).
406		635
407	=over 4	636	=over 4
408		637
409	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
410		639
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
574		803
575	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		808
580	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	810	my $pkg = shift @arg;
582		811
583	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
613	}	842	}
614		843
615	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
616	} else {	845	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	847	}
619		848
620	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
621	}	850	}
622		851
…		…
624	if (ref $_[0]) {	853	if (ref $_[0]) {
625	_object_attach @_;	854	_object_attach @_;
626	} else {	855	} else {
627	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
628	}	857	}
		858	_recalc_want;
629	};	859	};
630		860
631	# all those should be optimised	861	# all those should be optimised
632	sub cf::attachable::detach {	862	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
637	reattach ($obj);	867	reattach ($obj);
638	} else {	868	} else {
639	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
640	}	870	}
		871	_recalc_want;
641	};	872	};
642		873
643	sub cf::attachable::attached {	874	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
645		876
…		…
660	";	891	";
661	die if $@;	892	die if $@;
662	}	893	}
663		894
664	our $override;	895	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		897
667	sub override {	898	sub override {
668	$override = 1;	899	$override = 1;
669	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
670	}	901	}
671		902
672	sub do_invoke {	903	sub do_invoke {
673	my $event = shift;	904	my $event = shift;
674	my $callbacks = shift;	905	my $callbacks = shift;
675		906
676	@invoke_results = ();	907	@INVOKE_RESULTS = ();
677		908
678	local $override;	909	local $override;
679		910
680	for (@$callbacks) {	911	for (@$callbacks) {
681	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
698		929
699	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
700		931
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	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	933	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		935
705	=back	936	=back
706		937
707	=cut	938	=cut
708		939
709	#############################################################################	940	#############################################################################
710	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
711		953
712	sub reattach {	954	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	956	my ($obj) = @_;
715		957
…		…
818	or return;	1060	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1062	}
821		1063
822	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
824	return ($data, $av);	1066	return ($data, $av);
825	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
826		1074
827	#############################################################################	1075	#############################################################################
828	# command handling &c	1076	# command handling &c
829		1077
830	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1092	}
845		1093
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1095
848	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
849		1101
850	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
851	called.	1103	called.
852		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
853	=cut	1116	=cut
854		1117
855	sub register_extcmd {	1118	sub register_extcmd {
856	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
857		1120
858	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
859	}	1128	}
860		1129
861	cf::player->attach (	1130	cf::player->attach (
862	on_command => sub {	1131	on_command => sub {
863	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1141	cf::override;
873	},	1142	},
874	on_extcmd => sub {	1143	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
876		1145
877	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1147
879	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
885	} else {	1163	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1165	}
888		1166
889	cf::override;	1167	cf::override;
890	},	1168	},
891	);	1169	);
892		1170
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 {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
928	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1176	next unless -r $path;
930	eval {	1177
931	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
932	1	1235	}
933	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
934	}	1241	};
935	}	1242	}
936		1243
937	#############################################################################	1244	#############################################################################
938		1245
		1246	=back
		1247
939	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
940		1249
941	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
942		1251
943	=cut	1252	=cut
…		…
955	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
956		1265
957	=cut	1266	=cut
958		1267
959	sub playerdir($) {	1268	sub playerdir($) {
960	cf::localdir	1269	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1271	}
966		1272
967	sub path($) {	1273	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1032	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1033		1339
1034	$self	1340	$self
1035	}	1341	}
1036		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
1037	=item $pl->quit_character	1353	=item $pl->quit_character
1038		1354
1039	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1041		1357
…		…
1088	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1089		1405
1090	=cut	1406	=cut
1091		1407
1092	sub list_logins {	1408	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1410	or return [];
1095		1411
1096	my @logins;	1412	my @logins;
1097		1413
1098	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1133	}	1449	}
1134		1450
1135	\@paths	1451	\@paths
1136	}	1452	}
1137		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1138	=item $player->ext_reply ($msgid, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1139		1505
1140	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1141		1507
1142	=cut	1508	=cut
1143		1509
1144	sub ext_reply($$%) {	1510	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1146		1512
1147	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1514	}
1151		1515
1152	=item $player->ext_event ($type, %msg)	1516	=item $player->ext_msg ($type, @msg)
1153		1517
1154	Sends an ext event to the client.	1518	Sends an ext event to the client.
1155		1519
1156	=cut	1520	=cut
1157		1521
1158	sub ext_event($$%) {	1522	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1523	my ($self, $type, @msg) = @_;
1160		1524
1161	$self->ns->ext_event ($type, %msg);	1525	$self->ns->ext_msg ($type, @msg);
1162	}	1526	}
1163		1527
1164	=head3 cf::region	1528	=head3 cf::region
1165		1529
1166	=over 4	1530	=over 4
…		…
1169		1533
1170	package cf::region;	1534	package cf::region;
1171		1535
1172	=item cf::region::find_by_path $path	1536	=item cf::region::find_by_path $path
1173		1537
1174	Tries to decuce the probable region for a map knowing only its path.	1538	Tries to decuce the likely region for a map knowing only its path.
1175		1539
1176	=cut	1540	=cut
1177		1541
1178	sub find_by_path($) {	1542	sub find_by_path($) {
1179	my ($path) = @_;	1543	my ($path) = @_;
1180		1544
1181	my ($match, $specificity);	1545	my ($match, $specificity);
1182		1546
1183	for my $region (list) {	1547	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1548	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1549	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1550	if $region->specificity > $specificity;
1187	}	1551	}
1188	}	1552	}
1189		1553
…		…
1253	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1254		1618
1255	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1256	local $self->{path};	1620	local $self->{path};
1257	local $self->{load_path};	1621	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1622
1261	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1262	}	1624	}
1263		1625
1264	sub normalise {	1626	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1312	return $self;	1674	return $self;
1313	}	1675	}
1314	}	1676	}
1315		1677
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1679	()
1318	}	1680	}
1319		1681
1320	sub init {	1682	sub init {
1321	my ($self) = @_;	1683	my ($self) = @_;
…		…
1336		1698
1337	# the original (read-only) location	1699	# the original (read-only) location
1338	sub load_path {	1700	sub load_path {
1339	my ($self) = @_;	1701	my ($self) = @_;
1340		1702
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1703	"$MAPDIR/$self->{path}.map"
1342	}	1704	}
1343		1705
1344	# the temporary/swap location	1706	# the temporary/swap location
1345	sub save_path {	1707	sub save_path {
1346	my ($self) = @_;	1708	my ($self) = @_;
1347		1709
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1711	"$TMPDIR/$path.map"
1350	}	1712	}
1351		1713
1352	# the unique path, undef == no special unique path	1714	# the unique path, undef == no special unique path
1353	sub uniq_path {	1715	sub uniq_path {
1354	my ($self) = @_;	1716	my ($self) = @_;
1355		1717
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1719	"$UNIQUEDIR/$path"
1358	}	1720	}
1359		1721
1360	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1361	# all maps in C++...	1723	# all maps in C++...
1362	sub change_all_map_light {	1724	sub change_all_map_light {
1363	my ($change) = @_;	1725	my ($change) = @_;
1364		1726
1365	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
		1729	}
		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
1367	}	1737	}
1368		1738
1369	sub unlink_save {	1739	sub unlink_save {
1370	my ($self) = @_;	1740	my ($self) = @_;
1371		1741
…		…
1429	$self->load_header_orig	1799	$self->load_header_orig
1430	or return;	1800	or return;
1431	$self->prepare_orig;	1801	$self->prepare_orig;
1432	}	1802	}
1433		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
1434	$self->default_region (cf::region::find_by_path $self->{path})	1807	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1808	unless $self->default_region;
1436		1809
1437	1	1810	1
1438	}	1811	}
…		…
1453	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1454		1827
1455	$map->load_header	1828	$map->load_header
1456	or return;	1829	or return;
1457		1830
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1461	$map->reset;	1834	$map->reset;
1462	undef $guard;	1835	undef $guard;
1463	return find $path;	1836	return find $path;
…		…
1474	my ($self) = @_;	1847	my ($self) = @_;
1475		1848
1476	local $self->{deny_reset} = 1; # loading can take a long time	1849	local $self->{deny_reset} = 1; # loading can take a long time
1477		1850
1478	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
1479	my $guard = cf::lock_acquire "map_load:$path";	1854	my $guard = cf::lock_acquire "map_load:$path";
1480		1855
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1856	return if $self->in_memory != cf::MAP_SWAPPED;
1482		1857
1483	$self->in_memory (cf::MAP_LOADING);	1858	$self->in_memory (cf::MAP_LOADING);
1484		1859
1485	$self->alloc;	1860	$self->alloc;
1486		1861
1487	$self->pre_load;	1862	$self->pre_load;
1488	Coro::cede;
1489
1490	$self->_load_objects ($self->{load_path}, 1)
1491	or return;
1492
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494	if delete $self->{load_original};
1495
1496	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {
1499	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);
1501	}
1502	}
1503
1504	Coro::cede;
1505	# now do the right thing for maps
1506	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;	1863	Coro::cede;
1514	$self->set_darkness_map;	1864
		1865	$self->_load_objects ($self->{load_path}, 1)
		1866	or return;
		1867
		1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1869	if delete $self->{load_original};
		1870
		1871	if (my $uniq = $self->uniq_path) {
		1872	utf8::encode $uniq;
		1873	if (aio_open $uniq, O_RDONLY, 0) {
		1874	$self->clear_unique_items;
		1875	$self->_load_objects ($uniq, 0);
		1876	}
		1877	}
		1878
		1879	Coro::cede;
		1880	# now do the right thing for maps
		1881	$self->link_multipart_objects;
1515	$self->difficulty ($self->estimate_difficulty)	1882	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	1883	unless $self->difficulty;
1517	Coro::cede;	1884	Coro::cede;
		1885
		1886	unless ($self->{deny_activate}) {
		1887	$self->decay_objects;
		1888	$self->fix_auto_apply;
		1889	$self->update_buttons;
		1890	Coro::cede;
		1891	$self->set_darkness_map;
		1892	Coro::cede;
1518	$self->activate;	1893	$self->activate;
1519	Coro::cede;	1894	}
		1895
		1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
		1898
		1899	$self->in_memory (cf::MAP_IN_MEMORY);
1520	}	1900	}
1521		1901
1522	$self->post_load;	1902	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	1903	}
1527		1904
1528	sub customise_for {	1905	sub customise_for {
1529	my ($self, $ob) = @_;	1906	my ($self, $ob) = @_;
1530		1907
1531	return find "~" . $ob->name . "/" . $self->{path}	1908	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	1909	if $self->per_player;
1533		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
1534	$self	1914	$self
1535	}	1915	}
1536		1916
1537	# find and load all maps in the 3x3 area around a map	1917	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	1918	sub load_neighbours {
1539	my ($map) = @_;	1919	my ($map) = @_;
1540		1920
1541	my @diag; # diagonal neighbours	1921	my @neigh; # diagonal neighbours
1542		1922
1543	for (0 .. 3) {	1923	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	1924	my $neigh = $map->tile_path ($_)
1545	or next;	1925	or next;
1546	$neigh = find $neigh, $map	1926	$neigh = find $neigh, $map
1547	or next;	1927	or next;
1548	$neigh->load;	1928	$neigh->load;
1549		1929
		1930	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	1933	}
1553		1934
1554	for (@diag) {	1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	1937	my $neigh = find $path, $origin
1556	or next;	1938	or next;
1557	$neigh->load;	1939	$neigh->load;
1558	}	1940	}
1559	}	1941	}
1560		1942
…		…
1565	}	1947	}
1566		1948
1567	sub do_load_sync {	1949	sub do_load_sync {
1568	my ($map) = @_;	1950	my ($map) = @_;
1569		1951
		1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1953	if $Coro::current == $Coro::main;
		1954
1570	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1571	}	1956	}
1572		1957
1573	our %MAP_PREFETCH;	1958	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	1959	our $MAP_PREFETCHER = undef;
1575		1960
1576	sub find_async {	1961	sub find_async {
1577	my ($path, $origin) = @_;	1962	my ($path, $origin, $load) = @_;
1578		1963
1579	$path = normalise $path, $origin && $origin->{path};	1964	$path = normalise $path, $origin && $origin->{path};
1580		1965
1581	if (my $map = $cf::MAP{$path}) {	1966	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1583	}	1968	}
1584		1969
1585	undef $MAP_PREFETCH{$path};	1970	$MAP_PREFETCH{$path} |= $load;
		1971
1586	$MAP_PREFETCHER ||= cf::async {	1972	$MAP_PREFETCHER ||= cf::async {
1587	while (%MAP_PREFETCH) {	1973	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	1974	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	1975	if (my $map = find $k) {
1590	or next;
1591	$map->load;	1976	$map->load if $v;
		1977	}
1592		1978
1593	delete $MAP_PREFETCH{$path};	1979	delete $MAP_PREFETCH{$k};
1594	}	1980	}
1595	}	1981	}
1596	undef $MAP_PREFETCHER;	1982	undef $MAP_PREFETCHER;
1597	};	1983	};
1598	$MAP_PREFETCHER->prio (6);	1984	$MAP_PREFETCHER->prio (6);
…		…
1648		2034
1649	sub reset_at {	2035	sub reset_at {
1650	my ($self) = @_;	2036	my ($self) = @_;
1651		2037
1652	# TODO: safety, remove and allow resettable per-player maps	2038	# 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};	2039	return 1e99 if $self->{deny_reset};
1655		2040
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2041	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2042	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2043
…		…
1669	my ($self) = @_;	2054	my ($self) = @_;
1670		2055
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2056	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2057
1673	return if $self->players;	2058	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2059
1676	warn "resetting map ", $self->path;#d#	2060	warn "resetting map ", $self->path;
1677		2061
1678	$self->in_memory (cf::MAP_SWAPPED);	2062	$self->in_memory (cf::MAP_SWAPPED);
1679		2063
1680	# need to save uniques path	2064	# need to save uniques path
1681	unless ($self->{deny_save}) {	2065	unless ($self->{deny_save}) {
…		…
1713	$cf::MAP{$self->path} = $self;	2097	$cf::MAP{$self->path} = $self;
1714		2098
1715	$self->reset; # polite request, might not happen	2099	$self->reset; # polite request, might not happen
1716	}	2100	}
1717		2101
		2102	=item $maps = cf::map::tmp_maps
		2103
		2104	Returns an arrayref with all map paths of currently instantiated and saved
		2105	maps. May block.
		2106
		2107	=cut
		2108
		2109	sub tmp_maps() {
		2110	[
		2111	map {
		2112	utf8::decode $_;
		2113	/\.map$/
		2114	? normalise $_
		2115	: ()
		2116	} @{ aio_readdir $TMPDIR or [] }
		2117	]
		2118	}
		2119
		2120	=item $maps = cf::map::random_maps
		2121
		2122	Returns an arrayref with all map paths of currently instantiated and saved
		2123	random maps. May block.
		2124
		2125	=cut
		2126
		2127	sub random_maps() {
		2128	[
		2129	map {
		2130	utf8::decode $_;
		2131	/\.map$/
		2132	? normalise "?random/$_"
		2133	: ()
		2134	} @{ aio_readdir $RANDOMDIR or [] }
		2135	]
		2136	}
		2137
1718	=item cf::map::unique_maps	2138	=item cf::map::unique_maps
1719		2139
1720	Returns an arrayref of paths of all shared maps that have	2140	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2141	instantiated unique items. May block.
1722		2142
1723	=cut	2143	=cut
1724		2144
1725	sub unique_maps() {	2145	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2146	[
1727	or return;	2147	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2148	utf8::decode $_;
1733	next if /\.pst$/;	2149	/\.map$/
1734	next unless /^$PATH_SEP/o;	2150	? normalise $_
1735		2151	: ()
1736	push @paths, cf::map::normalise $_;	2152	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2153	]
1738
1739	\@paths
1740	}	2154	}
1741		2155
1742	package cf;	2156	package cf;
1743		2157
1744	=back	2158	=back
…		…
1790		2204
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2205	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2206
1793	if ($self->{record_replies}) {	2207	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2208	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2209
1795	} else {	2210	} else {
		2211	my $pl = $self->contr;
		2212
		2213	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2214	my $dialog = $pl->{npc_dialog};
		2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2216
		2217	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2218	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2219	$self->message ($msg, $flags);
		2220	}
1798	}	2221	}
		2222	}
		2223
		2224	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2225
		2226	=cut
		2227
		2228	sub cf::object::send_msg {
		2229	my $pl = shift->contr
		2230	or return;
		2231	$pl->send_msg (@_);
1799	}	2232	}
1800		2233
1801	=item $player_object->may ("access")	2234	=item $player_object->may ("access")
1802		2235
1803	Returns wether the given player is authorized to access resource "access"	2236	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2283	$self->deactivate_recursive;
1851		2284
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2285	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2286
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2288	if $self->map && $self->map->{path} ne "{link}";
1856		2289
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2291	}
1859		2292
1860	sub cf::object::player::leave_link {	2293	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2294	my ($self, $map, $x, $y) = @_;
		2295
		2296	return unless $self->contr->active;
1862		2297
1863	my $link_pos = delete $self->{_link_pos};	2298	my $link_pos = delete $self->{_link_pos};
1864		2299
1865	unless ($map) {	2300	unless ($map) {
1866	# restore original map position	2301	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2315	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2316	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2317	if $x <=0 && $y <= 0;
1883		2318
1884	$map->load;	2319	$map->load;
1885	$map->load_diag;	2320	$map->load_neighbours;
1886		2321
1887	return unless $self->contr->active;	2322	return unless $self->contr->active;
1888	$self->activate_recursive;	2323	$self->activate_recursive;
1889		2324
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2326	$self->enter_map ($map, $x, $y);
1892	}	2327	}
1893		2328
1894	cf::player->attach (	2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2330
1898	# abort map switching before logout	2331	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2332	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2333	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2334	the new (success) or old (failed) map position. In either case, $done will
1902	};	2335	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2336
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	2337	=cut
		2338
		2339	our $GOTOGEN;
1929		2340
1930	sub cf::object::player::goto {	2341	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2342	my ($self, $path, $x, $y, $check, $done) = @_;
		2343
		2344	# do generation counting so two concurrent goto's will be executed in-order
		2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2346
1933	$self->enter_link;	2347	$self->enter_link;
1934		2348
1935	(async {	2349	(async {
1936	my $map = eval {	2350	my $map = eval {
1937	my $map = cf::map::find $path;	2351	my $map = cf::map::find $path;
		2352
		2353	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2354	$map = $map->customise_for ($self);
		2355	$map = $check->($map) if $check && $map;
		2356	} else {
		2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	}
		2359
1939	$map	2360	$map
		2361	};
		2362
		2363	if ($@) {
		2364	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2365	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2366	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2367
		2368	if ($gen == $self->{_goto_generation}) {
		2369	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2370	$self->leave_link ($map, $x, $y);
		2371	}
		2372
		2373	$done->() if $done;
1944	})->prio (1);	2374	})->prio (1);
1945	}	2375	}
1946		2376
1947	=item $player_object->enter_exit ($exit_object)	2377	=item $player_object->enter_exit ($exit_object)
1948		2378
…		…
1987		2417
1988	$rmp->{random_seed} ||= $exit->random_seed;	2418	$rmp->{random_seed} ||= $exit->random_seed;
1989		2419
1990	my $data = cf::to_json $rmp;	2420	my $data = cf::to_json $rmp;
1991	my $md5 = Digest::MD5::md5_hex $data;	2421	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2422	my $meta = "$RANDOMDIR/$md5.meta";
1993		2423
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2425	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2426	undef $fh;
1997	aio_rename "$meta~", $meta;	2427	aio_rename "$meta~", $meta;
…		…
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;	2447	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;	2448	my $sp = $exit->stats->sp;
2019		2449
2020	$self->enter_link;	2450	$self->enter_link;
		2451
		2452	# if exit is damned, update players death & WoR home-position
		2453	$self->contr->savebed ($slaying, $hp, $sp)
		2454	if $exit->flag (FLAG_DAMNED);
2021		2455
2022	(async {	2456	(async {
2023	$self->deactivate_recursive; # just to be sure	2457	$self->deactivate_recursive; # just to be sure
2024	unless (eval {	2458	unless (eval {
2025	$self->goto ($slaying, $hp, $sp);	2459	$self->goto ($slaying, $hp, $sp);
…		…
2053		2487
2054	utf8::encode $text;	2488	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2490	}
2057		2491
		2492	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2493
		2494	Send a drawinfo or msg packet to the client, formatting the msg for the
		2495	client if neccessary. C<$type> should be a string identifying the type of
		2496	the message, with C<log> being the default. If C<$color> is negative, suppress
		2497	the message unless the client supports the msg packet.
		2498
		2499	=cut
		2500
		2501	sub cf::client::send_msg {
		2502	my ($self, $channel, $msg, $color, @extra) = @_;
		2503
		2504	$msg = $self->pl->expand_cfpod ($msg);
		2505
		2506	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2507
		2508	if (ref $channel) {
		2509	# send meta info to client, if not yet sent
		2510	unless (exists $self->{channel}{$channel->{id}}) {
		2511	$self->{channel}{$channel->{id}} = $channel;
		2512	$self->ext_msg (channel_info => $channel);
		2513	}
		2514
		2515	$channel = $channel->{id};
		2516	}
		2517
		2518	return unless @extra || length $msg;
		2519
		2520	if ($self->can_msg) {
		2521	# default colour, mask it out
		2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2523	if $color & cf::NDI_DEF;
		2524
		2525	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2527	} else {
		2528	if ($color >= 0) {
		2529	# replace some tags by gcfclient-compatible ones
		2530	for ($msg) {
		2531	1 while
		2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2537	}
		2538
		2539	$color &= cf::NDI_COLOR_MASK;
		2540
		2541	utf8::encode $msg;
		2542
		2543	if (0 && $msg =~ /\[/) {
		2544	# COMMAND/INFO
		2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2546	} else {
		2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2548	$self->send_packet ("drawinfo $color $msg")
		2549	}
		2550	}
		2551	}
		2552	}
		2553
2058	=item $client->ext_event ($type, %msg)	2554	=item $client->ext_msg ($type, @msg)
2059		2555
2060	Sends an exti event to the client.	2556	Sends an ext event to the client.
2061		2557
2062	=cut	2558	=cut
2063		2559
2064	sub cf::client::ext_event($$%) {	2560	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2561	my ($self, $type, @msg) = @_;
2066		2562
		2563	my $extcmd = $self->extcmd;
		2564
		2565	if ($extcmd == 2) {
		2566	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2567	} elsif ($extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2568	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2569	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2570	}
		2571	}
		2572
		2573	=item $client->ext_reply ($msgid, @msg)
		2574
		2575	Sends an ext reply to the client.
		2576
		2577	=cut
		2578
		2579	sub cf::client::ext_reply($$@) {
		2580	my ($self, $id, @msg) = @_;
		2581
		2582	if ($self->extcmd == 2) {
		2583	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2584	} elsif ($self->ns->extcmd == 1) {
		2585	#TODO: version 1, remove
		2586	unshift @msg, msgtype => "reply", msgid => $id;
		2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2588	}
2069	}	2589	}
2070		2590
2071	=item $success = $client->query ($flags, "text", \&cb)	2591	=item $success = $client->query ($flags, "text", \&cb)
2072		2592
2073	Queues a query to the client, calling the given callback with	2593	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>,	2594	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>.	2595	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2596
2077	Queries can fail, so check the return code. Or don't, as queries will become	2597	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2598	become reliable at some point in the future.
2079		2599
2080	=cut	2600	=cut
2081		2601
2082	sub cf::client::query {	2602	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2603	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2611	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2612	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2613
2094	$self->send_packet ($self->{query_queue}[0][0])	2614	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2615	if @{ $self->{query_queue} } == 1;
		2616
		2617	1
2096	}	2618	}
2097		2619
2098	cf::client->attach (	2620	cf::client->attach (
		2621	on_connect => sub {
		2622	my ($ns) = @_;
		2623
		2624	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2625	},
2099	on_reply => sub {	2626	on_reply => sub {
2100	my ($ns, $msg) = @_;	2627	my ($ns, $msg) = @_;
2101		2628
2102	# this weird shuffling is so that direct followup queries	2629	# this weird shuffling is so that direct followup queries
2103	# get handled first	2630	# get handled first
…		…
2115	} else {	2642	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2643	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2644	}
2118	}	2645	}
2119	},	2646	},
		2647	on_exticmd => sub {
		2648	my ($ns, $buf) = @_;
		2649
		2650	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2651
		2652	if (ref $msg) {
		2653	my ($type, $reply, @payload) =
		2654	"ARRAY" eq ref $msg
		2655	? @$msg
		2656	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2657
		2658	my @reply;
		2659
		2660	if (my $cb = $EXTICMD{$type}) {
		2661	@reply = $cb->($ns, @payload);
		2662	}
		2663
		2664	$ns->ext_reply ($reply, @reply)
		2665	if $reply;
		2666
		2667	} else {
		2668	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2669	}
		2670
		2671	cf::override;
		2672	},
2120	);	2673	);
2121		2674
2122	=item $client->async (\&cb)	2675	=item $client->async (\&cb)
2123		2676
2124	Create a new coroutine, running the specified callback. The coroutine will	2677	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	2718	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	2719	our $safe_hole = new Safe::Hole;
2167		2720
2168	$SIG{FPE} = 'IGNORE';	2721	$SIG{FPE} = 'IGNORE';
2169		2722
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2723	$safe->permit_only (Opcode::opset qw(
		2724	:base_core :base_mem :base_orig :base_math
		2725	grepstart grepwhile mapstart mapwhile
		2726	sort time
		2727	));
2171		2728
2172	# here we export the classes and methods available to script code	2729	# here we export the classes and methods available to script code
2173		2730
2174	=pod	2731	=pod
2175		2732
2176	The following functions and methods are available within a safe environment:	2733	The following functions and methods are available within a safe environment:
2177		2734
2178	cf::object contr pay_amount pay_player map	2735	cf::object
		2736	contr pay_amount pay_player map x y force_find force_add
		2737	insert remove name archname title slaying race decrease_ob_nr
		2738
2179	cf::object::player player	2739	cf::object::player
2180	cf::player peaceful	2740	player
2181	cf::map trigger	2741
		2742	cf::player
		2743	peaceful
		2744
		2745	cf::map
		2746	trigger
2182		2747
2183	=cut	2748	=cut
2184		2749
2185	for (	2750	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	2751	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2752	insert remove inv name archname title slaying race
		2753	decrease_ob_nr)],
2187	["cf::object::player" => qw(player)],	2754	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	2755	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	2756	["cf::map" => qw(trigger)],
2190	) {	2757	) {
2191	no strict 'refs';	2758	no strict 'refs';
…		…
2262	=back	2829	=back
2263		2830
2264	=cut	2831	=cut
2265		2832
2266	#############################################################################	2833	#############################################################################
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 $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434
2435	#############################################################################
2436	# the server's init and main functions	2834	# the server's init and main functions
2437		2835
2438	sub load_facedata($) {	2836	sub load_facedata($) {
2439	my ($path) = @_;	2837	my ($path) = @_;
		2838
		2839	my $enc = JSON::XS->new->utf8->canonical;
2440		2840
2441	warn "loading facedata from $path\n";	2841	warn "loading facedata from $path\n";
2442		2842
2443	my $facedata;	2843	my $facedata;
2444	0 < aio_load $path, $facedata	2844	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	2847	$facedata = Coro::Storable::thaw $facedata;
2448		2848
2449	$facedata->{version} == 2	2849	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	2850	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		2851
		2852	# patch in the exptable
		2853	$facedata->{resource}{"res/exp_table"} = {
		2854	type => FT_RSRC,
		2855	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2856	};
		2857	cf::cede_to_tick;
		2858
2452	{	2859	{
2453	my $faces = $facedata->{faceinfo};	2860	my $faces = $facedata->{faceinfo};
2454		2861
2455	while (my ($face, $info) = each %$faces) {	2862	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2863	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2864	cf::face::set_visibility $idx, $info->{visibility};
		2865	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2866	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2867	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460	Coro::cede;	2868
		2869	cf::cede_to_tick;
2461	}	2870	}
2462		2871
2463	while (my ($face, $info) = each %$faces) {	2872	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	2873	next unless $info->{smooth};
2465	my $idx = cf::face::find $face	2874	my $idx = cf::face::find $face
2466	or next;	2875	or next;
2467	if (my $smooth = cf::face::find $info->{smooth}) {	2876	if (my $smooth = cf::face::find $info->{smooth}) {
		2877	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2878	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	2879	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	2880	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	2881	}
2472	Coro::cede;	2882
		2883	cf::cede_to_tick;
2473	}	2884	}
2474	}	2885	}
2475		2886
2476	{	2887	{
2477	my $anims = $facedata->{animinfo};	2888	my $anims = $facedata->{animinfo};
2478		2889
2479	while (my ($anim, $info) = each %$anims) {	2890	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	2891	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	2892	cf::cede_to_tick;
2482	}	2893	}
2483		2894
2484	cf::anim::invalidate_all; # d'oh	2895	cf::anim::invalidate_all; # d'oh
2485	}	2896	}
2486		2897
		2898	{
		2899	# TODO: for gcfclient pleasure, we should give resources
		2900	# that gcfclient doesn't grok a >10000 face index.
		2901	my $res = $facedata->{resource};
		2902
		2903	my $soundconf = delete $res->{"res/sound.conf"};
		2904
		2905	while (my ($name, $info) = each %$res) {
		2906	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2907	my $data;
		2908
		2909	if ($info->{type} & 1) {
		2910	# prepend meta info
		2911
		2912	my $meta = $enc->encode ({
		2913	name => $name,
		2914	%{ $info->{meta} || {} },
		2915	});
		2916
		2917	$data = pack "(w/a*)*", $meta, $info->{data};
		2918	} else {
		2919	$data = $info->{data};
		2920	}
		2921
		2922	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2923	cf::face::set_type $idx, $info->{type};
		2924
		2925	cf::cede_to_tick;
		2926	}
		2927
		2928	if ($soundconf) {
		2929	$soundconf = $enc->decode (delete $soundconf->{data});
		2930
		2931	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2932	my $sound = $soundconf->{compat}[$_]
		2933	or next;
		2934
		2935	my $face = cf::face::find "sound/$sound->[1]";
		2936	cf::sound::set $sound->[0] => $face;
		2937	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2938	}
		2939
		2940	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2941	my $face = cf::face::find "sound/$v";
		2942	cf::sound::set $k => $face;
		2943	}
		2944	}
		2945	}
		2946
2487	1	2947	1
2488	}	2948	}
2489		2949
		2950	register_exticmd fx_want => sub {
		2951	my ($ns, $want) = @_;
		2952
		2953	while (my ($k, $v) = each %$want) {
		2954	$ns->fx_want ($k, $v);
		2955	}
		2956	};
		2957
		2958	sub reload_regions {
		2959	load_resource_file "$MAPDIR/regions"
		2960	or die "unable to load regions file\n";
		2961
		2962	for (cf::region::list) {
		2963	$_->{match} = qr/$_->{match}/
		2964	if exists $_->{match};
		2965	}
		2966	}
		2967
2490	sub reload_facedata {	2968	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	2969	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	2970	or die "unable to load facedata\n";
2493	}	2971	}
2494		2972
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 {	2973	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	2974	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	2975	or die "unable to load archetypes\n";
		2976	#d# NEED to laod twice to resolve forward references
		2977	# this really needs to be done in an extra post-pass
		2978	# (which needs to be synchronous, so solve it differently)
		2979	load_resource_file "$DATADIR/archetypes"
		2980	or die "unable to load archetypes\n";
2503	}	2981	}
2504		2982
2505	sub reload_treasures {	2983	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	2984	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	2985	or die "unable to load treasurelists\n";
2508	}	2986	}
2509		2987
2510	sub reload_resources {	2988	sub reload_resources {
2511	warn "reloading resource files...\n";	2989	warn "reloading resource files...\n";
2512		2990
2513	reload_regions;	2991	reload_regions;
2514	reload_facedata;	2992	reload_facedata;
		2993	#reload_archetypes;#d#
2515	reload_archetypes;	2994	reload_archetypes;
2516	reload_treasures;	2995	reload_treasures;
2517		2996
2518	warn "finished reloading resource files\n";	2997	warn "finished reloading resource files\n";
2519	}	2998	}
…		…
2521	sub init {	3000	sub init {
2522	reload_resources;	3001	reload_resources;
2523	}	3002	}
2524		3003
2525	sub cfg_load {	3004	sub cfg_load {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3005	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3006	or return;
2528		3007
2529	local $/;	3008	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3009	*CFG = YAML::Syck::Load <$fh>;
2531		3010
…		…
2576	},	3055	},
2577	);	3056	);
2578	}	3057	}
2579	}	3058	}
2580		3059
		3060	sub write_runtime {
		3061	my $runtime = "$LOCALDIR/runtime";
		3062
		3063	# first touch the runtime file to show we are still running:
		3064	# the fsync below can take a very very long time.
		3065
		3066	IO::AIO::aio_utime $runtime, undef, undef;
		3067
		3068	my $guard = cf::lock_acquire "write_runtime";
		3069
		3070	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3071	or return;
		3072
		3073	my $value = $cf::RUNTIME + 90 + 10;
		3074	# 10 is the runtime save interval, for a monotonic clock
		3075	# 60 allows for the watchdog to kill the server.
		3076
		3077	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3078	and return;
		3079
		3080	# always fsync - this file is important
		3081	aio_fsync $fh
		3082	and return;
		3083
		3084	# touch it again to show we are up-to-date
		3085	aio_utime $fh, undef, undef;
		3086
		3087	close $fh
		3088	or return;
		3089
		3090	aio_rename "$runtime~", $runtime
		3091	and return;
		3092
		3093	warn "runtime file written.\n";
		3094
		3095	1
		3096	}
		3097
2581	sub emergency_save() {	3098	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3099	my $freeze_guard = cf::freeze_mainloop;
2583		3100
2584	warn "enter emergency perl save\n";	3101	warn "enter emergency perl save\n";
2585		3102
…		…
2660	%EXT_CORO = ();	3177	%EXT_CORO = ();
2661		3178
2662	warn "removing commands";	3179	warn "removing commands";
2663	%COMMAND = ();	3180	%COMMAND = ();
2664		3181
2665	warn "removing ext commands";	3182	warn "removing ext/exti commands";
2666	%EXTCMD = ();	3183	%EXTCMD = ();
		3184	%EXTICMD = ();
2667		3185
2668	warn "unloading/nuking all extensions";	3186	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3187	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3188	warn "... unloading $pkg";
2671		3189
…		…
2789	my $signal = new Coro::Signal;	3307	my $signal = new Coro::Signal;
2790	push @WAIT_FOR_TICK_BEGIN, $signal;	3308	push @WAIT_FOR_TICK_BEGIN, $signal;
2791	$signal->wait;	3309	$signal->wait;
2792	}	3310	}
2793		3311
		3312	my $min = 1e6;#d#
		3313	my $avg = 10;
2794	$TICK_WATCHER = Event->timer (	3314	$TICK_WATCHER = Event->timer (
2795	reentrant => 0,	3315	reentrant => 0,
2796	parked => 1,	3316	parked => 1,
2797	prio => 0,	3317	prio => 0,
2798	at => $NEXT_TICK || $TICK,	3318	at => $NEXT_TICK || $TICK,
…		…
2802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3322	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2803	unless ++$bug_warning > 10;	3323	unless ++$bug_warning > 10;
2804	return;	3324	return;
2805	}	3325	}
2806		3326
2807	$NOW = Event::time;	3327	$NOW = $tick_start = Event::time;
2808		3328
2809	cf::server_tick; # one server iteration	3329	cf::server_tick; # one server iteration
		3330
		3331	0 && sync_job {#d#
		3332	for(1..10) {
		3333	my $t = Event::time;
		3334	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3335	or die;
		3336
		3337	$map->width (50);
		3338	$map->height (50);
		3339	$map->alloc;
		3340	$map->_load_objects ("/tmp/x.map", 1);
		3341	my $t = Event::time - $t;
		3342
		3343	#next unless $t < 0.0013;#d#
		3344	if ($t < $min) {
		3345	$min = $t;
		3346	}
		3347	$avg = $avg * 0.99 + $t * 0.01;
		3348	}
		3349	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3350	exit 0;
		3351	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3352	};
2810		3353
2811	$RUNTIME += $TICK;	3354	$RUNTIME += $TICK;
2812	$NEXT_TICK += $TICK;	3355	$NEXT_TICK += $TICK;
2813		3356
2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3357	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2820	}	3363	}
2821		3364
2822	# my $AFTER = Event::time;	3365	# my $AFTER = Event::time;
2823	# warn $AFTER - $NOW;#d#	3366	# warn $AFTER - $NOW;#d#
2824		3367
		3368	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3369	$sig->send;
		3370	}
		3371	while (my $sig = shift @WAIT_FOR_TICK) {
		3372	$sig->send;
		3373	}
		3374
		3375	$NOW = Event::time;
		3376
2825	# if we are delayed by four ticks or more, skip them all	3377	# if we are delayed by four ticks or more, skip them all
2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3378	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2827		3379
2828	$TICK_WATCHER->at ($NEXT_TICK);	3380	$TICK_WATCHER->at ($NEXT_TICK);
2829	$TICK_WATCHER->start;	3381	$TICK_WATCHER->start;
2830		3382
2831	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3383	$LOAD = ($NOW - $tick_start) / $TICK;
2832	$sig->send;	3384	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2833	}
2834	while (my $sig = shift @WAIT_FOR_TICK) {
2835	$sig->send;
2836	}
2837		3385
2838	_post_tick;	3386	_post_tick;
		3387
		3388
2839	},	3389	},
2840	);	3390	);
2841		3391
2842	{	3392	{
2843	BDB::max_poll_time $TICK * 0.1;	3393	BDB::max_poll_time $TICK * 0.1;
…		…
2871		3421
2872	cf::sync_job {	3422	cf::sync_job {
2873	eval {	3423	eval {
2874	BDB::db_env_open	3424	BDB::db_env_open
2875	$DB_ENV,	3425	$DB_ENV,
2876	$BDB_ENV_DIR,	3426	$BDBDIR,
2877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3427	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3428	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2879	0666;	3429	0666;
2880		3430
2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3431	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2882		3432
2883	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3433	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2884	$DB_ENV->set_lk_detect;	3434	$DB_ENV->set_lk_detect;
2885	};	3435	};
2886		3436
…		…
2902	prio => 6,	3452	prio => 6,
2903	cb => \&IO::AIO::poll_cb,	3453	cb => \&IO::AIO::poll_cb,
2904	);	3454	);
2905	}	3455	}
2906		3456
		3457	my $_log_backtrace;
		3458
		3459	sub _log_backtrace {
		3460	my ($msg, @addr) = @_;
		3461
		3462	$msg =~ s/\n//;
		3463
		3464	# limit the # of concurrent backtraces
		3465	if ($_log_backtrace < 2) {
		3466	++$_log_backtrace;
		3467	async {
		3468	my @bt = fork_call {
		3469	@addr = map { sprintf "%x", $_ } @addr;
		3470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3472	or die "addr2line: $!";
		3473
		3474	my @funcs;
		3475	my @res = <$fh>;
		3476	chomp for @res;
		3477	while (@res) {
		3478	my ($func, $line) = splice @res, 0, 2, ();
		3479	push @funcs, "[$func] $line";
		3480	}
		3481
		3482	@funcs
		3483	};
		3484
		3485	LOG llevInfo, "[ABT] $msg\n";
		3486	LOG llevInfo, "[ABT] $_\n" for @bt;
		3487	--$_log_backtrace;
		3488	};
		3489	} else {
		3490	LOG llevInfo, "[ABT] $msg\n";
		3491	LOG llevInfo, "[ABT] [suppressed]\n";
		3492	}
		3493	}
		3494
2907	# load additional modules	3495	# load additional modules
2908	use cf::pod;	3496	use cf::pod;
2909		3497
2910	END { cf::emergency_save }	3498	END { cf::emergency_save }
2911		3499

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