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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.251 by root, Wed Apr 18 14:45:13 2007 UTC vs.
Revision 1.351 by root, Sun Sep 2 00:57:38 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) {
…		…
1133	}	1452	}
1134		1453
1135	\@paths	1454	\@paths
1136	}	1455	}
1137		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGH])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
1138	=item $player->ext_reply ($msgid, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1139		1508
1140	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1141		1510
1142	=cut	1511	=cut
1143		1512
1144	sub ext_reply($$%) {	1513	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1146		1515
1147	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1517	}
1151		1518
1152	=item $player->ext_event ($type, %msg)	1519	=item $player->ext_msg ($type, @msg)
1153		1520
1154	Sends an ext event to the client.	1521	Sends an ext event to the client.
1155		1522
1156	=cut	1523	=cut
1157		1524
1158	sub ext_event($$%) {	1525	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1526	my ($self, $type, @msg) = @_;
1160		1527
1161	$self->ns->ext_event ($type, %msg);	1528	$self->ns->ext_msg ($type, @msg);
1162	}	1529	}
1163		1530
1164	=head3 cf::region	1531	=head3 cf::region
1165		1532
1166	=over 4	1533	=over 4
…		…
1169		1536
1170	package cf::region;	1537	package cf::region;
1171		1538
1172	=item cf::region::find_by_path $path	1539	=item cf::region::find_by_path $path
1173		1540
1174	Tries to decuce the probable region for a map knowing only its path.	1541	Tries to decuce the likely region for a map knowing only its path.
1175		1542
1176	=cut	1543	=cut
1177		1544
1178	sub find_by_path($) {	1545	sub find_by_path($) {
1179	my ($path) = @_;	1546	my ($path) = @_;
1180		1547
1181	my ($match, $specificity);	1548	my ($match, $specificity);
1182		1549
1183	for my $region (list) {	1550	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1551	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1552	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1553	if $region->specificity > $specificity;
1187	}	1554	}
1188	}	1555	}
1189		1556
…		…
1253	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1254		1621
1255	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1256	local $self->{path};	1623	local $self->{path};
1257	local $self->{load_path};	1624	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1625
1261	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1262	}	1627	}
1263		1628
1264	sub normalise {	1629	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1312	return $self;	1677	return $self;
1313	}	1678	}
1314	}	1679	}
1315		1680
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1682	()
1318	}	1683	}
1319		1684
1320	sub init {	1685	sub init {
1321	my ($self) = @_;	1686	my ($self) = @_;
…		…
1336		1701
1337	# the original (read-only) location	1702	# the original (read-only) location
1338	sub load_path {	1703	sub load_path {
1339	my ($self) = @_;	1704	my ($self) = @_;
1340		1705
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1342	}	1707	}
1343		1708
1344	# the temporary/swap location	1709	# the temporary/swap location
1345	sub save_path {	1710	sub save_path {
1346	my ($self) = @_;	1711	my ($self) = @_;
1347		1712
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1350	}	1715	}
1351		1716
1352	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1353	sub uniq_path {	1718	sub uniq_path {
1354	my ($self) = @_;	1719	my ($self) = @_;
1355		1720
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1358	}	1723	}
1359		1724
1360	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1361	# all maps in C++...	1726	# all maps in C++...
1362	sub change_all_map_light {	1727	sub change_all_map_light {
1363	my ($change) = @_;	1728	my ($change) = @_;
1364		1729
1365	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
		1732	}
		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
1367	}	1740	}
1368		1741
1369	sub unlink_save {	1742	sub unlink_save {
1370	my ($self) = @_;	1743	my ($self) = @_;
1371		1744
…		…
1429	$self->load_header_orig	1802	$self->load_header_orig
1430	or return;	1803	or return;
1431	$self->prepare_orig;	1804	$self->prepare_orig;
1432	}	1805	}
1433		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
1434	$self->default_region (cf::region::find_by_path $self->{path})	1810	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1811	unless $self->default_region;
1436		1812
1437	1	1813	1
1438	}	1814	}
…		…
1453	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1454		1830
1455	$map->load_header	1831	$map->load_header
1456	or return;	1832	or return;
1457		1833
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1461	$map->reset;	1837	$map->reset;
1462	undef $guard;	1838	undef $guard;
1463	return find $path;	1839	return find $path;
…		…
1474	my ($self) = @_;	1850	my ($self) = @_;
1475		1851
1476	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1477		1853
1478	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1479	my $guard = cf::lock_acquire "map_load:$path";	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1480		1859
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1482		1861
1483	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1484		1863
1485	$self->alloc;	1864	$self->alloc;
1486		1865
1487	$self->pre_load;	1866	$self->pre_load;
1488	Coro::cede;	1867	cf::cede_to_tick;
1489		1868
1490	$self->_load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1491	or return;	1870	or return;
1492		1871
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494	if delete $self->{load_original};	1873	if delete $self->{load_original};
1495		1874
1496	if (my $uniq = $self->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	1876	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1499	$self->clear_unique_items;	1878	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1501	}	1880	}
1502	}	1881	}
1503		1882
1504	Coro::cede;	1883	cf::cede_to_tick;
1505	# now do the right thing for maps	1884	# now do the right thing for maps
1506	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($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)	1886	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	1887	unless $self->difficulty;
1517	Coro::cede;	1888	cf::cede_to_tick;
		1889
		1890	unless ($self->{deny_activate}) {
		1891	$self->decay_objects;
		1892	$self->fix_auto_apply;
		1893	$self->update_buttons;
		1894	cf::cede_to_tick;
		1895	$self->set_darkness_map;
		1896	cf::cede_to_tick;
1518	$self->activate;	1897	$self->activate;
1519	Coro::cede;	1898	}
		1899
		1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
		1902
		1903	$self->in_memory (cf::MAP_IN_MEMORY);
1520	}	1904	}
1521		1905
1522	$self->post_load;	1906	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	1907	}
1527		1908
1528	sub customise_for {	1909	sub customise_for {
1529	my ($self, $ob) = @_;	1910	my ($self, $ob) = @_;
1530		1911
1531	return find "~" . $ob->name . "/" . $self->{path}	1912	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	1913	if $self->per_player;
1533		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
1534	$self	1918	$self
1535	}	1919	}
1536		1920
1537	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	1922	sub load_neighbours {
1539	my ($map) = @_;	1923	my ($map) = @_;
1540		1924
1541	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1542		1926
1543	for (0 .. 3) {	1927	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1545	or next;	1929	or next;
1546	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1547	or next;	1931	or next;
1548	$neigh->load;	1932	$neigh->load;
1549		1933
		1934	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	1937	}
1553		1938
1554	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1556	or next;	1942	or next;
1557	$neigh->load;	1943	$neigh->load;
1558	}	1944	}
1559	}	1945	}
1560		1946
…		…
1565	}	1951	}
1566		1952
1567	sub do_load_sync {	1953	sub do_load_sync {
1568	my ($map) = @_;	1954	my ($map) = @_;
1569		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1570	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1571	}	1960	}
1572		1961
1573	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	1963	our $MAP_PREFETCHER = undef;
1575		1964
1576	sub find_async {	1965	sub find_async {
1577	my ($path, $origin) = @_;	1966	my ($path, $origin, $load) = @_;
1578		1967
1579	$path = normalise $path, $origin && $origin->{path};	1968	$path = normalise $path, $origin && $origin->{path};
1580		1969
1581	if (my $map = $cf::MAP{$path}) {	1970	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1583	}	1972	}
1584		1973
1585	undef $MAP_PREFETCH{$path};	1974	$MAP_PREFETCH{$path} |= $load;
		1975
1586	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1587	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	1978	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	1979	if (my $map = find $k) {
1590	or next;
1591	$map->load;	1980	$map->load if $v;
		1981	}
1592		1982
1593	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$k};
1594	}	1984	}
1595	}	1985	}
1596	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
1597	};	1987	};
1598	$MAP_PREFETCHER->prio (6);	1988	$MAP_PREFETCHER->prio (6);
…		…
1601	}	1991	}
1602		1992
1603	sub save {	1993	sub save {
1604	my ($self) = @_;	1994	my ($self) = @_;
1605		1995
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		1997
1608	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1609		1999
1610	return unless $self->dirty;	2000	return unless $self->dirty;
1611		2001
…		…
1634	my ($self) = @_;	2024	my ($self) = @_;
1635		2025
1636	# save first because save cedes	2026	# save first because save cedes
1637	$self->save;	2027	$self->save;
1638		2028
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2030
1641	return if $self->players;	2031	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};	2033	return if $self->{deny_save};
1644		2034
…		…
1648		2038
1649	sub reset_at {	2039	sub reset_at {
1650	my ($self) = @_;	2040	my ($self) = @_;
1651		2041
1652	# TODO: safety, remove and allow resettable per-player maps	2042	# 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};	2043	return 1e99 if $self->{deny_reset};
1655		2044
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2047
…		…
1669	my ($self) = @_;	2058	my ($self) = @_;
1670		2059
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2061
1673	return if $self->players;	2062	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2063
1676	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
1677		2065
1678	$self->in_memory (cf::MAP_SWAPPED);	2066	$self->in_memory (cf::MAP_SWAPPED);
1679		2067
1680	# need to save uniques path	2068	# need to save uniques path
1681	unless ($self->{deny_save}) {	2069	unless ($self->{deny_save}) {
…		…
1698	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1699		2087
1700	sub nuke {	2088	sub nuke {
1701	my ($self) = @_;	2089	my ($self) = @_;
1702		2090
		2091	{
		2092	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2093
1703	delete $cf::MAP{$self->path};	2094	delete $cf::MAP{$self->path};
1704		2095
1705	$self->unlink_save;	2096	$self->unlink_save;
1706		2097
1707	bless $self, "cf::map";	2098	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2099	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2100	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2101	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2102	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2103
1713	$cf::MAP{$self->path} = $self;	2104	$cf::MAP{$self->path} = $self;
		2105	}
1714		2106
1715	$self->reset; # polite request, might not happen	2107	$self->reset; # polite request, might not happen
		2108	}
		2109
		2110	=item $maps = cf::map::tmp_maps
		2111
		2112	Returns an arrayref with all map paths of currently instantiated and saved
		2113	maps. May block.
		2114
		2115	=cut
		2116
		2117	sub tmp_maps() {
		2118	[
		2119	map {
		2120	utf8::decode $_;
		2121	/\.map$/
		2122	? normalise $_
		2123	: ()
		2124	} @{ aio_readdir $TMPDIR or [] }
		2125	]
		2126	}
		2127
		2128	=item $maps = cf::map::random_maps
		2129
		2130	Returns an arrayref with all map paths of currently instantiated and saved
		2131	random maps. May block.
		2132
		2133	=cut
		2134
		2135	sub random_maps() {
		2136	[
		2137	map {
		2138	utf8::decode $_;
		2139	/\.map$/
		2140	? normalise "?random/$_"
		2141	: ()
		2142	} @{ aio_readdir $RANDOMDIR or [] }
		2143	]
1716	}	2144	}
1717		2145
1718	=item cf::map::unique_maps	2146	=item cf::map::unique_maps
1719		2147
1720	Returns an arrayref of paths of all shared maps that have	2148	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2149	instantiated unique items. May block.
1722		2150
1723	=cut	2151	=cut
1724		2152
1725	sub unique_maps() {	2153	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2154	[
1727	or return;	2155	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2156	utf8::decode $_;
1733	next if /\.pst$/;	2157	/\.map$/
1734	next unless /^$PATH_SEP/o;	2158	? normalise $_
1735		2159	: ()
1736	push @paths, cf::map::normalise $_;	2160	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2161	]
1738
1739	\@paths
1740	}	2162	}
1741		2163
1742	package cf;	2164	package cf;
1743		2165
1744	=back	2166	=back
…		…
1790		2212
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2213	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2214
1793	if ($self->{record_replies}) {	2215	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2216	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2217
1795	} else {	2218	} else {
		2219	my $pl = $self->contr;
		2220
		2221	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2222	my $dialog = $pl->{npc_dialog};
		2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2224
		2225	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2226	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2227	$self->message ($msg, $flags);
		2228	}
1798	}	2229	}
		2230	}
		2231
		2232	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2233
		2234	=cut
		2235
		2236	sub cf::object::send_msg {
		2237	my $pl = shift->contr
		2238	or return;
		2239	$pl->send_msg (@_);
1799	}	2240	}
1800		2241
1801	=item $player_object->may ("access")	2242	=item $player_object->may ("access")
1802		2243
1803	Returns wether the given player is authorized to access resource "access"	2244	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2291	$self->deactivate_recursive;
1851		2292
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2293	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2294
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2295	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2296	if $self->map && $self->map->{path} ne "{link}";
1856		2297
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2298	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2299	}
1859		2300
1860	sub cf::object::player::leave_link {	2301	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2302	my ($self, $map, $x, $y) = @_;
		2303
		2304	return unless $self->contr->active;
1862		2305
1863	my $link_pos = delete $self->{_link_pos};	2306	my $link_pos = delete $self->{_link_pos};
1864		2307
1865	unless ($map) {	2308	unless ($map) {
1866	# restore original map position	2309	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2323	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2324	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2325	if $x <=0 && $y <= 0;
1883		2326
1884	$map->load;	2327	$map->load;
1885	$map->load_diag;	2328	$map->load_neighbours;
1886		2329
1887	return unless $self->contr->active;	2330	return unless $self->contr->active;
1888	$self->activate_recursive;	2331	$self->activate_recursive;
1889		2332
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2334	$self->enter_map ($map, $x, $y);
1892	}	2335	}
1893		2336
1894	cf::player->attach (	2337	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2338
1898	# abort map switching before logout	2339	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2340	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2341	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2342	the new (success) or old (failed) map position. In either case, $done will
1902	};	2343	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2344
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	2345	=cut
		2346
		2347	our $GOTOGEN;
1929		2348
1930	sub cf::object::player::goto {	2349	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2350	my ($self, $path, $x, $y, $check, $done) = @_;
		2351
		2352	# do generation counting so two concurrent goto's will be executed in-order
		2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2354
1933	$self->enter_link;	2355	$self->enter_link;
1934		2356
1935	(async {	2357	(async {
1936	my $map = eval {	2358	my $map = eval {
1937	my $map = cf::map::find $path;	2359	my $map = cf::map::find $path;
		2360
		2361	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2362	$map = $map->customise_for ($self);
		2363	$map = $check->($map) if $check && $map;
		2364	} else {
		2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	}
		2367
1939	$map	2368	$map
		2369	};
		2370
		2371	if ($@) {
		2372	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2373	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2374	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2375
		2376	if ($gen == $self->{_goto_generation}) {
		2377	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2378	$self->leave_link ($map, $x, $y);
		2379	}
		2380
		2381	$done->() if $done;
1944	})->prio (1);	2382	})->prio (1);
1945	}	2383	}
1946		2384
1947	=item $player_object->enter_exit ($exit_object)	2385	=item $player_object->enter_exit ($exit_object)
1948		2386
…		…
1987		2425
1988	$rmp->{random_seed} ||= $exit->random_seed;	2426	$rmp->{random_seed} ||= $exit->random_seed;
1989		2427
1990	my $data = cf::to_json $rmp;	2428	my $data = cf::to_json $rmp;
1991	my $md5 = Digest::MD5::md5_hex $data;	2429	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2430	my $meta = "$RANDOMDIR/$md5.meta";
1993		2431
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2433	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2434	undef $fh;
1997	aio_rename "$meta~", $meta;	2435	aio_rename "$meta~", $meta;
…		…
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;	2455	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;	2456	my $sp = $exit->stats->sp;
2019		2457
2020	$self->enter_link;	2458	$self->enter_link;
		2459
		2460	# if exit is damned, update players death & WoR home-position
		2461	$self->contr->savebed ($slaying, $hp, $sp)
		2462	if $exit->flag (FLAG_DAMNED);
2021		2463
2022	(async {	2464	(async {
2023	$self->deactivate_recursive; # just to be sure	2465	$self->deactivate_recursive; # just to be sure
2024	unless (eval {	2466	unless (eval {
2025	$self->goto ($slaying, $hp, $sp);	2467	$self->goto ($slaying, $hp, $sp);
…		…
2053		2495
2054	utf8::encode $text;	2496	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2497	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2498	}
2057		2499
		2500	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2501
		2502	Send a drawinfo or msg packet to the client, formatting the msg for the
		2503	client if neccessary. C<$type> should be a string identifying the type of
		2504	the message, with C<log> being the default. If C<$color> is negative, suppress
		2505	the message unless the client supports the msg packet.
		2506
		2507	=cut
		2508
		2509	our %CHANNEL = (
		2510	"c/identify" => {
		2511	id => "identify",
		2512	title => "Identify",
		2513	reply => undef,
		2514	tooltip => "Items recently identified",
		2515	},
		2516	);
		2517
		2518	sub cf::client::send_msg {
		2519	my ($self, $channel, $msg, $color, @extra) = @_;
		2520
		2521	$msg = $self->pl->expand_cfpod ($msg);
		2522
		2523	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2524
		2525	# check predefined channels, for the benefit of C
		2526	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2527
		2528	if (ref $channel) {
		2529	# send meta info to client, if not yet sent
		2530	unless (exists $self->{channel}{$channel->{id}}) {
		2531	$self->{channel}{$channel->{id}} = $channel;
		2532	$self->ext_msg (channel_info => $channel);
		2533	}
		2534
		2535	$channel = $channel->{id};
		2536	}
		2537
		2538	return unless @extra || length $msg;
		2539
		2540	if ($self->can_msg) {
		2541	# default colour, mask it out
		2542	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2543	if $color & cf::NDI_DEF;
		2544
		2545	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2546	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2547	} else {
		2548	if ($color >= 0) {
		2549	# replace some tags by gcfclient-compatible ones
		2550	for ($msg) {
		2551	1 while
		2552	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2553	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2554	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2555	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2556	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2557	}
		2558
		2559	$color &= cf::NDI_COLOR_MASK;
		2560
		2561	utf8::encode $msg;
		2562
		2563	if (0 && $msg =~ /\[/) {
		2564	# COMMAND/INFO
		2565	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2566	} else {
		2567	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2568	$self->send_packet ("drawinfo $color $msg")
		2569	}
		2570	}
		2571	}
		2572	}
		2573
2058	=item $client->ext_event ($type, %msg)	2574	=item $client->ext_msg ($type, @msg)
2059		2575
2060	Sends an exti event to the client.	2576	Sends an ext event to the client.
2061		2577
2062	=cut	2578	=cut
2063		2579
2064	sub cf::client::ext_event($$%) {	2580	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2581	my ($self, $type, @msg) = @_;
2066		2582
		2583	if ($self->extcmd == 2) {
		2584	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2585	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2586	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2588	}
		2589	}
		2590
		2591	=item $client->ext_reply ($msgid, @msg)
		2592
		2593	Sends an ext reply to the client.
		2594
		2595	=cut
		2596
		2597	sub cf::client::ext_reply($$@) {
		2598	my ($self, $id, @msg) = @_;
		2599
		2600	if ($self->extcmd == 2) {
		2601	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2602	} elsif ($self->extcmd == 1) {
		2603	#TODO: version 1, remove
		2604	unshift @msg, msgtype => "reply", msgid => $id;
		2605	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2606	}
2069	}	2607	}
2070		2608
2071	=item $success = $client->query ($flags, "text", \&cb)	2609	=item $success = $client->query ($flags, "text", \&cb)
2072		2610
2073	Queues a query to the client, calling the given callback with	2611	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>,	2612	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>.	2613	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2614
2077	Queries can fail, so check the return code. Or don't, as queries will become	2615	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2616	become reliable at some point in the future.
2079		2617
2080	=cut	2618	=cut
2081		2619
2082	sub cf::client::query {	2620	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2621	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2629	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2630	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2631
2094	$self->send_packet ($self->{query_queue}[0][0])	2632	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2633	if @{ $self->{query_queue} } == 1;
		2634
		2635	1
2096	}	2636	}
2097		2637
2098	cf::client->attach (	2638	cf::client->attach (
		2639	on_connect => sub {
		2640	my ($ns) = @_;
		2641
		2642	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2643	},
2099	on_reply => sub {	2644	on_reply => sub {
2100	my ($ns, $msg) = @_;	2645	my ($ns, $msg) = @_;
2101		2646
2102	# this weird shuffling is so that direct followup queries	2647	# this weird shuffling is so that direct followup queries
2103	# get handled first	2648	# get handled first
…		…
2115	} else {	2660	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2661	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2662	}
2118	}	2663	}
2119	},	2664	},
		2665	on_exticmd => sub {
		2666	my ($ns, $buf) = @_;
		2667
		2668	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2669
		2670	if (ref $msg) {
		2671	my ($type, $reply, @payload) =
		2672	"ARRAY" eq ref $msg
		2673	? @$msg
		2674	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2675
		2676	my @reply;
		2677
		2678	if (my $cb = $EXTICMD{$type}) {
		2679	@reply = $cb->($ns, @payload);
		2680	}
		2681
		2682	$ns->ext_reply ($reply, @reply)
		2683	if $reply;
		2684
		2685	} else {
		2686	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2687	}
		2688
		2689	cf::override;
		2690	},
2120	);	2691	);
2121		2692
2122	=item $client->async (\&cb)	2693	=item $client->async (\&cb)
2123		2694
2124	Create a new coroutine, running the specified callback. The coroutine will	2695	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	2736	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	2737	our $safe_hole = new Safe::Hole;
2167		2738
2168	$SIG{FPE} = 'IGNORE';	2739	$SIG{FPE} = 'IGNORE';
2169		2740
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2741	$safe->permit_only (Opcode::opset qw(
		2742	:base_core :base_mem :base_orig :base_math
		2743	grepstart grepwhile mapstart mapwhile
		2744	sort time
		2745	));
2171		2746
2172	# here we export the classes and methods available to script code	2747	# here we export the classes and methods available to script code
2173		2748
2174	=pod	2749	=pod
2175		2750
2176	The following functions and methods are available within a safe environment:	2751	The following functions and methods are available within a safe environment:
2177		2752
2178	cf::object contr pay_amount pay_player map	2753	cf::object
		2754	contr pay_amount pay_player map x y force_find force_add
		2755	insert remove name archname title slaying race decrease_ob_nr
		2756
2179	cf::object::player player	2757	cf::object::player
2180	cf::player peaceful	2758	player
2181	cf::map trigger	2759
		2760	cf::player
		2761	peaceful
		2762
		2763	cf::map
		2764	trigger
2182		2765
2183	=cut	2766	=cut
2184		2767
2185	for (	2768	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	2769	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2770	insert remove inv name archname title slaying race
		2771	decrease_ob_nr)],
2187	["cf::object::player" => qw(player)],	2772	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	2773	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	2774	["cf::map" => qw(trigger)],
2190	) {	2775	) {
2191	no strict 'refs';	2776	no strict 'refs';
…		…
2262	=back	2847	=back
2263		2848
2264	=cut	2849	=cut
2265		2850
2266	#############################################################################	2851	#############################################################################
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 $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434
2435	#############################################################################
2436	# the server's init and main functions	2852	# the server's init and main functions
2437		2853
2438	sub load_facedata($) {	2854	sub load_facedata($) {
2439	my ($path) = @_;	2855	my ($path) = @_;
		2856
		2857	# HACK to clear player env face cache, we need some signal framework
		2858	# for this (global event?)
		2859	%ext::player_env::MUSIC_FACE_CACHE = ();
		2860
		2861	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2440		2862
2441	warn "loading facedata from $path\n";	2863	warn "loading facedata from $path\n";
2442		2864
2443	my $facedata;	2865	my $facedata;
2444	0 < aio_load $path, $facedata	2866	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	2869	$facedata = Coro::Storable::thaw $facedata;
2448		2870
2449	$facedata->{version} == 2	2871	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	2872	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		2873
		2874	# patch in the exptable
		2875	$facedata->{resource}{"res/exp_table"} = {
		2876	type => FT_RSRC,
		2877	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2878	};
		2879	cf::cede_to_tick;
		2880
2452	{	2881	{
2453	my $faces = $facedata->{faceinfo};	2882	my $faces = $facedata->{faceinfo};
2454		2883
2455	while (my ($face, $info) = each %$faces) {	2884	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2885	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2886	cf::face::set_visibility $idx, $info->{visibility};
		2887	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2888	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2889	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460	Coro::cede;	2890
		2891	cf::cede_to_tick;
2461	}	2892	}
2462		2893
2463	while (my ($face, $info) = each %$faces) {	2894	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	2895	next unless $info->{smooth};
2465	my $idx = cf::face::find $face	2896	my $idx = cf::face::find $face
2466	or next;	2897	or next;
2467	if (my $smooth = cf::face::find $info->{smooth}) {	2898	if (my $smooth = cf::face::find $info->{smooth}) {
		2899	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2900	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	2901	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	2902	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	2903	}
2472	Coro::cede;	2904
		2905	cf::cede_to_tick;
2473	}	2906	}
2474	}	2907	}
2475		2908
2476	{	2909	{
2477	my $anims = $facedata->{animinfo};	2910	my $anims = $facedata->{animinfo};
2478		2911
2479	while (my ($anim, $info) = each %$anims) {	2912	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	2913	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	2914	cf::cede_to_tick;
2482	}	2915	}
2483		2916
2484	cf::anim::invalidate_all; # d'oh	2917	cf::anim::invalidate_all; # d'oh
2485	}	2918	}
2486		2919
		2920	{
		2921	# TODO: for gcfclient pleasure, we should give resources
		2922	# that gcfclient doesn't grok a >10000 face index.
		2923	my $res = $facedata->{resource};
		2924
		2925	my $soundconf = delete $res->{"res/sound.conf"};
		2926
		2927	while (my ($name, $info) = each %$res) {
		2928	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2929	my $data;
		2930
		2931	if ($info->{type} & 1) {
		2932	# prepend meta info
		2933
		2934	my $meta = $enc->encode ({
		2935	name => $name,
		2936	%{ $info->{meta} || {} },
		2937	});
		2938
		2939	$data = pack "(w/a*)*", $meta, $info->{data};
		2940	} else {
		2941	$data = $info->{data};
		2942	}
		2943
		2944	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2945	cf::face::set_type $idx, $info->{type};
		2946
		2947	cf::cede_to_tick;
		2948	}
		2949
		2950	if ($soundconf) {
		2951	$soundconf = $enc->decode (delete $soundconf->{data});
		2952
		2953	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2954	my $sound = $soundconf->{compat}[$_]
		2955	or next;
		2956
		2957	my $face = cf::face::find "sound/$sound->[1]";
		2958	cf::sound::set $sound->[0] => $face;
		2959	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2960	}
		2961
		2962	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2963	my $face = cf::face::find "sound/$v";
		2964	cf::sound::set $k => $face;
		2965	}
		2966	}
		2967	}
		2968
2487	1	2969	1
2488	}	2970	}
2489		2971
		2972	register_exticmd fx_want => sub {
		2973	my ($ns, $want) = @_;
		2974
		2975	while (my ($k, $v) = each %$want) {
		2976	$ns->fx_want ($k, $v);
		2977	}
		2978	};
		2979
		2980	sub reload_regions {
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
		2985	load_resource_file "$MAPDIR/regions"
		2986	or die "unable to load regions file\n";
		2987
		2988	for (cf::region::list) {
		2989	$_->{match} = qr/$_->{match}/
		2990	if exists $_->{match};
		2991	}
		2992	}
		2993
2490	sub reload_facedata {	2994	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	2995	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	2996	or die "unable to load facedata\n";
2493	}	2997	}
2494		2998
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 {	2999	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3000	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3001	or die "unable to load archetypes\n";
		3002	#d# NEED to laod twice to resolve forward references
		3003	# this really needs to be done in an extra post-pass
		3004	# (which needs to be synchronous, so solve it differently)
		3005	load_resource_file "$DATADIR/archetypes"
		3006	or die "unable to load archetypes\n";
2503	}	3007	}
2504		3008
2505	sub reload_treasures {	3009	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3010	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3011	or die "unable to load treasurelists\n";
2508	}	3012	}
2509		3013
2510	sub reload_resources {	3014	sub reload_resources {
2511	warn "reloading resource files...\n";	3015	warn "reloading resource files...\n";
2512		3016
2513	reload_regions;	3017	reload_regions;
2514	reload_facedata;	3018	reload_facedata;
		3019	#reload_archetypes;#d#
2515	reload_archetypes;	3020	reload_archetypes;
2516	reload_treasures;	3021	reload_treasures;
2517		3022
2518	warn "finished reloading resource files\n";	3023	warn "finished reloading resource files\n";
2519	}	3024	}
2520		3025
2521	sub init {	3026	sub init {
2522	reload_resources;	3027	reload_resources;
2523	}	3028	}
2524		3029
2525	sub cfg_load {	3030	sub reload_config {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3031	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3032	or return;
2528		3033
2529	local $/;	3034	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3035	*CFG = YAML::Syck::Load <$fh>;
2531		3036
…		…
2550	(async {	3055	(async {
2551	Event::one_event;	3056	Event::one_event;
2552	})->prio (Coro::PRIO_MAX);	3057	})->prio (Coro::PRIO_MAX);
2553	};	3058	};
2554		3059
2555	cfg_load;	3060	reload_config;
2556	db_init;	3061	db_init;
2557	load_extensions;	3062	load_extensions;
2558		3063
2559	$TICK_WATCHER->start;	3064	$TICK_WATCHER->start;
2560	Event::loop;	3065	Event::loop;
…		…
2576	},	3081	},
2577	);	3082	);
2578	}	3083	}
2579	}	3084	}
2580		3085
		3086	sub write_runtime {
		3087	my $runtime = "$LOCALDIR/runtime";
		3088
		3089	# first touch the runtime file to show we are still running:
		3090	# the fsync below can take a very very long time.
		3091
		3092	IO::AIO::aio_utime $runtime, undef, undef;
		3093
		3094	my $guard = cf::lock_acquire "write_runtime";
		3095
		3096	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3097	or return;
		3098
		3099	my $value = $cf::RUNTIME + 90 + 10;
		3100	# 10 is the runtime save interval, for a monotonic clock
		3101	# 60 allows for the watchdog to kill the server.
		3102
		3103	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3104	and return;
		3105
		3106	# always fsync - this file is important
		3107	aio_fsync $fh
		3108	and return;
		3109
		3110	# touch it again to show we are up-to-date
		3111	aio_utime $fh, undef, undef;
		3112
		3113	close $fh
		3114	or return;
		3115
		3116	aio_rename "$runtime~", $runtime
		3117	and return;
		3118
		3119	warn "runtime file written.\n";
		3120
		3121	1
		3122	}
		3123
2581	sub emergency_save() {	3124	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3125	my $freeze_guard = cf::freeze_mainloop;
2583		3126
2584	warn "enter emergency perl save\n";	3127	warn "enter emergency perl save\n";
2585		3128
…		…
2660	%EXT_CORO = ();	3203	%EXT_CORO = ();
2661		3204
2662	warn "removing commands";	3205	warn "removing commands";
2663	%COMMAND = ();	3206	%COMMAND = ();
2664		3207
2665	warn "removing ext commands";	3208	warn "removing ext/exti commands";
2666	%EXTCMD = ();	3209	%EXTCMD = ();
		3210	%EXTICMD = ();
2667		3211
2668	warn "unloading/nuking all extensions";	3212	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3213	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3214	warn "... unloading $pkg";
2671		3215
…		…
2701	Symbol::delete_package "safe::$_"	3245	Symbol::delete_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3246	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		3247
2704	warn "unloading cf.pm \"a bit\"";	3248	warn "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3249	delete $INC{"cf.pm"};
		3250	delete $INC{"cf/pod.pm"};
2706		3251
2707	# don't, removes xs symbols, too,	3252	# don't, removes xs symbols, too,
2708	# and global variables created in xs	3253	# and global variables created in xs
2709	#Symbol::delete_package __PACKAGE__;	3254	#Symbol::delete_package __PACKAGE__;
2710		3255
…		…
2713	warn "reloading cf.pm";	3258	warn "reloading cf.pm";
2714	require cf;	3259	require cf;
2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3260	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2716		3261
2717	warn "loading config and database again";	3262	warn "loading config and database again";
2718	cf::cfg_load;	3263	cf::reload_config;
2719		3264
2720	warn "loading extensions";	3265	warn "loading extensions";
2721	cf::load_extensions;	3266	cf::load_extensions;
2722		3267
2723	warn "reattaching attachments to objects/players";	3268	warn "reattaching attachments to objects/players";
…		…
2788	my $signal = new Coro::Signal;	3333	my $signal = new Coro::Signal;
2789	push @WAIT_FOR_TICK_BEGIN, $signal;	3334	push @WAIT_FOR_TICK_BEGIN, $signal;
2790	$signal->wait;	3335	$signal->wait;
2791	}	3336	}
2792		3337
		3338	my $min = 1e6;#d#
		3339	my $avg = 10;
2793	$TICK_WATCHER = Event->timer (	3340	$TICK_WATCHER = Event->timer (
2794	reentrant => 0,	3341	reentrant => 0,
2795	parked => 1,	3342	parked => 1,
2796	prio => 0,	3343	prio => 0,
2797	at => $NEXT_TICK || $TICK,	3344	at => $NEXT_TICK || $TICK,
…		…
2801	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3348	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2802	unless ++$bug_warning > 10;	3349	unless ++$bug_warning > 10;
2803	return;	3350	return;
2804	}	3351	}
2805		3352
2806	$NOW = Event::time;	3353	$NOW = $tick_start = Event::time;
2807		3354
2808	cf::server_tick; # one server iteration	3355	cf::server_tick; # one server iteration
		3356
		3357	0 && sync_job {#d#
		3358	for(1..10) {
		3359	my $t = Event::time;
		3360	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3361	or die;
		3362
		3363	$map->width (50);
		3364	$map->height (50);
		3365	$map->alloc;
		3366	$map->_load_objects ("/tmp/x.map", 1);
		3367	my $t = Event::time - $t;
		3368
		3369	#next unless $t < 0.0013;#d#
		3370	if ($t < $min) {
		3371	$min = $t;
		3372	}
		3373	$avg = $avg * 0.99 + $t * 0.01;
		3374	}
		3375	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3376	exit 0;
		3377	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3378	};
2809		3379
2810	$RUNTIME += $TICK;	3380	$RUNTIME += $TICK;
2811	$NEXT_TICK += $TICK;	3381	$NEXT_TICK += $TICK;
2812		3382
2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2819	}	3389	}
2820		3390
2821	# my $AFTER = Event::time;	3391	# my $AFTER = Event::time;
2822	# warn $AFTER - $NOW;#d#	3392	# warn $AFTER - $NOW;#d#
2823		3393
		3394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3395	$sig->send;
		3396	}
		3397	while (my $sig = shift @WAIT_FOR_TICK) {
		3398	$sig->send;
		3399	}
		3400
		3401	$NOW = Event::time;
		3402
2824	# if we are delayed by four ticks or more, skip them all	3403	# if we are delayed by four ticks or more, skip them all
2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3404	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2826		3405
2827	$TICK_WATCHER->at ($NEXT_TICK);	3406	$TICK_WATCHER->at ($NEXT_TICK);
2828	$TICK_WATCHER->start;	3407	$TICK_WATCHER->start;
2829		3408
2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3409	$LOAD = ($NOW - $tick_start) / $TICK;
2831	$sig->send;	3410	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2832	}
2833	while (my $sig = shift @WAIT_FOR_TICK) {
2834	$sig->send;
2835	}
2836		3411
2837	_post_tick;	3412	_post_tick;
		3413
		3414
2838	},	3415	},
2839	);	3416	);
2840		3417
2841	{	3418	{
2842	BDB::max_poll_time $TICK * 0.1;	3419	BDB::max_poll_time $TICK * 0.1;
…		…
2870		3447
2871	cf::sync_job {	3448	cf::sync_job {
2872	eval {	3449	eval {
2873	BDB::db_env_open	3450	BDB::db_env_open
2874	$DB_ENV,	3451	$DB_ENV,
2875	$BDB_ENV_DIR,	3452	$BDBDIR,
2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3453	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3454	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2878	0666;	3455	0666;
2879		3456
2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3457	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2881		3458
2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3459	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2883	$DB_ENV->set_lk_detect;	3460	$DB_ENV->set_lk_detect;
2884	};	3461	};
2885		3462
…		…
2901	prio => 6,	3478	prio => 6,
2902	cb => \&IO::AIO::poll_cb,	3479	cb => \&IO::AIO::poll_cb,
2903	);	3480	);
2904	}	3481	}
2905		3482
		3483	my $_log_backtrace;
		3484
		3485	sub _log_backtrace {
		3486	my ($msg, @addr) = @_;
		3487
		3488	$msg =~ s/\n//;
		3489
		3490	# limit the # of concurrent backtraces
		3491	if ($_log_backtrace < 2) {
		3492	++$_log_backtrace;
		3493	async {
		3494	my @bt = fork_call {
		3495	@addr = map { sprintf "%x", $_ } @addr;
		3496	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3497	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3498	or die "addr2line: $!";
		3499
		3500	my @funcs;
		3501	my @res = <$fh>;
		3502	chomp for @res;
		3503	while (@res) {
		3504	my ($func, $line) = splice @res, 0, 2, ();
		3505	push @funcs, "[$func] $line";
		3506	}
		3507
		3508	@funcs
		3509	};
		3510
		3511	LOG llevInfo, "[ABT] $msg\n";
		3512	LOG llevInfo, "[ABT] $_\n" for @bt;
		3513	--$_log_backtrace;
		3514	};
		3515	} else {
		3516	LOG llevInfo, "[ABT] $msg\n";
		3517	LOG llevInfo, "[ABT] [suppressed]\n";
		3518	}
		3519	}
		3520
2906	# load additional modules	3521	# load additional modules
2907	use cf::pod;	3522	use cf::pod;
2908		3523
2909	END { cf::emergency_save }	3524	END { cf::emergency_save }
2910		3525

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