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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.141 by root, Fri Jan 5 20:08:53 2007 UTC vs.
Revision 1.286 by root, Sun Jun 24 04:27:20 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
		26	use Data::Dumper;
20	use Digest::MD5;	27	use Digest::MD5;
21	use Fcntl;	28	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	29	use YAML::Syck ();
		30	use IO::AIO 2.32 ();
24	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
25		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
27		41
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
30		44
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		46
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		48
35	our %COMMAND = ();	49	our %COMMAND = ();
36	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
38		56
		57	our $RELOAD; # number of reloads so far
39	our @EVENT;	58	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		59
42	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	76	our $NEXT_TICK;
45	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
46		82
47	our %CFG;	83	our %CFG;
48		84
49	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	86	our $RUNTIME;
51		87
		88	our %PLAYER; # all users
52	our %MAP; # all maps	89	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	91
55	our %EXT_CORO;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
		93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
56		98
57	binmode STDOUT;	99	binmode STDOUT;
58	binmode STDERR;	100	binmode STDERR;
59		101
60	# read virtual server time, if available	102	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
65	}	107	}
66		108
67	mkdir cf::localdir;	109	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		111
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
76		115
77	#############################################################################	116	#############################################################################
78		117
79	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
80		119
…		…
87	=item $cf::RUNTIME	126	=item $cf::RUNTIME
88		127
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	129	every server tick.
91		130
92	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		134
94	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
96		139
97	=item $cf::NOW	140	=item $cf::NOW
98		141
99	The time of the last (current) server tick.	142	The time of the last (current) server tick.
100		143
101	=item $cf::TICK	144	=item $cf::TICK
102		145
103	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
104		157
105	=item %cf::CFG	158	=item %cf::CFG
106		159
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	161	from wherever your confdir points to.
		162
		163	=item cf::wait_for_tick, cf::wait_for_tick_begin
		164
		165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		166	returns directly I<after> the tick processing (and consequently, can only wake one process
		167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
109		168
110	=back	169	=back
111		170
112	=cut	171	=cut
113		172
114	BEGIN {	173	BEGIN {
115	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	175	my $msg = join "", @_;
117	utf8::encode $msg;
118		176
119	$msg .= "\n"	177	$msg .= "\n"
120	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
121		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	183	LOG llevError, $msg;
123	};	184	};
124	}	185	}
125		186
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
131	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
132		194
133	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
134	# within the Safe compartment.	196	# within the Safe compartment.
135	for my $pkg (qw(	197	for my $pkg (qw(
136	cf::global cf::attachable	198	cf::global cf::attachable
…		…
145		207
146	$Event::DIED = sub {	208	$Event::DIED = sub {
147	warn "error in event callback: @_";	209	warn "error in event callback: @_";
148	};	210	};
149		211
150	my %ext_pkg;	212	#############################################################################
151	my @exts;
152	my @hook;
153		213
154	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
155		215
156	=over 4	216	=over 4
157		217
158	=cut	218	=item dumpval $ref
159		219
		220	=cut
		221
		222	sub dumpval {
		223	eval {
		224	local $SIG{__DIE__};
		225	my $d;
		226	if (1) {
		227	$d = new Data::Dumper([$_[0]], ["*var"]);
		228	$d->Terse(1);
		229	$d->Indent(2);
		230	$d->Quotekeys(0);
		231	$d->Useqq(1);
		232	#$d->Bless(...);
		233	$d->Seen($_[1]) if @_ > 1;
		234	$d = $d->Dump();
		235	}
		236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		237	$d
		238	} || "[unable to dump $_[0]: '$@']";
		239	}
		240
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		242
162	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
163		244
164	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
165		246
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
174		248
175	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
176
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		250
184	=item cf::lock_wait $string	251	=item cf::lock_wait $string
185		252
186	Wait until the given lock is available. See cf::lock_acquire.	253	Wait until the given lock is available. See cf::lock_acquire.
187		254
…		…
193	returned.	260	returned.
194		261
195	Lock names should begin with a unique identifier (for example, cf::map::find	262	Lock names should begin with a unique identifier (for example, cf::map::find
196	uses map_find and cf::map::load uses map_load).	263	uses map_find and cf::map::load uses map_load).
197		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
		268
198	=cut	269	=cut
199		270
200	our %LOCK;	271	our %LOCK;
201		272
202	sub lock_wait($) {	273	sub lock_wait($) {
…		…
221	# wake up all waiters, to be on the safe side	292	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	293	$_->ready for @{ delete $LOCK{$key} };
223	}	294	}
224	}	295	}
225		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
		301	}
		302
226	sub freeze_mainloop {	303	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	304	return unless $TICK_WATCHER->is_active;
228		305
229	my $guard = Coro::guard { $TICK_WATCHER->start };	306	my $guard = Coro::guard {
		307	$TICK_WATCHER->start;
		308	};
230	$TICK_WATCHER->stop;	309	$TICK_WATCHER->stop;
231	$guard	310	$guard
232	}	311	}
233		312
234	=item cf::async { BLOCK }	313	=item cf::async { BLOCK }
…		…
241		320
242	BEGIN { *async = \&Coro::async_pool }	321	BEGIN { *async = \&Coro::async_pool }
243		322
244	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
245		324
246	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
247	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
248	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
249		329
250	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
251	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
252	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
253	fast or be very important.	333	fast or be very important.
…		…
256		336
257	sub sync_job(&) {	337	sub sync_job(&) {
258	my ($job) = @_;	338	my ($job) = @_;
259		339
260	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
261	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
262	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
263		345
264	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
265	# (but this is cancel-safe)	347	# (but this is cancel-safe)
…		…
276		358
277	while ($busy) {	359	while ($busy) {
278	Coro::cede or Event::one_event;	360	Coro::cede or Event::one_event;
279	}	361	}
280		362
		363	$time = Event::time - $time;
		364
		365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		367
		368	$tick_start += $time; # do not account sync jobs to server load
		369
281	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
282	} else {	371	} else {
283	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
284		373
285	$job->()	374	$job->()
286	}	375	}
287	}	376	}
288		377
289	=item $coro = cf::async_ext { BLOCK }	378	=item $coro = cf::async_ext { BLOCK }
290		379
291	Like async, but this coro is automcatially being canceled when the	380	Like async, but this coro is automatically being canceled when the
292	extension calling this is being unloaded.	381	extension calling this is being unloaded.
293		382
294	=cut	383	=cut
295		384
296	sub async_ext(&) {	385	sub async_ext(&) {
…		…
304	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
305		394
306	$coro	395	$coro
307	}	396	}
308		397
309	sub write_runtime {	398	=item fork_call { }, $args
310	my $runtime = cf::localdir . "/runtime";
311		399
312	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	400	Executes the given code block with the given arguments in a seperate
313	or return;	401	process, returning the results. Everything must be serialisable with
		402	Coro::Storable. May, of course, block. Note that the executed sub may
		403	never block itself or use any form of Event handling.
314		404
315	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	405	=cut
316	(aio_write $fh, 0, (length $value), $value, 0) <= 0
317	and return;
318		406
319	aio_fsync $fh	407	sub fork_call(&@) {
320	and return;	408	my ($cb, @args) = @_;
321		409
		410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		411	# or die "socketpair: $!";
		412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
		414
		415	if (my $pid = fork) {
322	close $fh	416	close $fh2;
323	or return;
324		417
325	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
326	and return;	419	$res = Coro::Storable::thaw $res;
327		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
328	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		473	my $key = "$_[0]/$_[1]";
		474
		475	cf::sync_job {
		476	BDB::db_get $DB, undef, $key, my $data;
		477
		478	$! ? ()
		479	: $data
		480	}
		481	}
		482
		483	sub db_put($$$) {
		484	BDB::dbreq_pri 4;
		485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		486	}
		487
		488	=item cf::cache $id => [$paths...], $processversion => $process
		489
		490	Generic caching function that returns the value of the resource $id,
		491	caching and regenerating as required.
		492
		493	This function can block.
		494
		495	=cut
		496
		497	sub cache {
		498	my ($id, $src, $processversion, $process) = @_;
		499
		500	my $meta =
		501	join "\x00",
		502	$processversion,
		503	map {
		504	aio_stat $_
		505	and Carp::croak "$_: $!";
		506
		507	($_, (stat _)[7,9])
		508	} @$src;
		509
		510	my $dbmeta = db_get cache => "$id/meta";
		511	if ($dbmeta ne $meta) {
		512	# changed, we may need to process
		513
		514	my @data;
		515	my $md5;
		516
		517	for (0 .. $#$src) {
		518	0 <= aio_load $src->[$_], $data[$_]
		519	or Carp::croak "$src->[$_]: $!";
		520	}
		521
		522	# if processing is expensive, check
		523	# checksum first
		524	if (1) {
		525	$md5 =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	Coro::cede;
		530	($src->[$_], Digest::MD5::md5_hex $data[$_])
		531	} 0.. $#$src;
		532
		533
		534	my $dbmd5 = db_get cache => "$id/md5";
		535	if ($dbmd5 eq $md5) {
		536	db_put cache => "$id/meta", $meta;
		537
		538	return db_get cache => "$id/data";
		539	}
		540	}
		541
		542	my $t1 = Time::HiRes::time;
		543	my $data = $process->(\@data);
		544	my $t2 = Time::HiRes::time;
		545
		546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		547
		548	db_put cache => "$id/data", $data;
		549	db_put cache => "$id/md5" , $md5;
		550	db_put cache => "$id/meta", $meta;
		551
		552	return $data;
		553	}
		554
		555	db_get cache => "$id/data"
		556	}
		557
		558	=item cf::datalog type => key => value, ...
		559
		560	Log a datalog packet of the given type with the given key-value pairs.
		561
		562	=cut
		563
		564	sub datalog($@) {
		565	my ($type, %kv) = @_;
		566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
329	}	567	}
330		568
331	=back	569	=back
332		570
333	=cut	571	=cut
334
335	#############################################################################
336
337	package cf::path;
338
339	sub new {
340	my ($class, $path, $base) = @_;
341
342	$path = $path->as_string if ref $path;
343
344	my $self = bless { }, $class;
345
346	# {... are special paths that are not touched
347	# ?xxx/... are special absolute paths
348	# ?random/... random maps
349	# /! non-realised random map exit
350	# /... normal maps
351	# ~/... per-player maps without a specific player (DO NOT USE)
352	# ~user/... per-player map of a specific user
353
354	if ($path =~ /^{/) {
355	# fine as it is
356	} elsif ($path =~ s{^\?random/}{}) {
357	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
358	$self->{random} = cf::from_json $data;
359	} else {
360	if ($path =~ s{^~([^/]+)?}{}) {
361	$self->{user_rel} = 1;
362
363	if (defined $1) {
364	$self->{user} = $1;
365	} elsif ($base =~ m{^~([^/]+)/}) {
366	$self->{user} = $1;
367	} else {
368	warn "cannot resolve user-relative path without user <$path,$base>\n";
369	}
370	} elsif ($path =~ /^\//) {
371	# already absolute
372	} else {
373	$base =~ s{[^/]+/?$}{};
374	return $class->new ("$base/$path");
375	}
376
377	for ($path) {
378	redo if s{/\.?/}{/};
379	redo if s{/[^/]+/\.\./}{/};
380	}
381	}
382
383	$self->{path} = $path;
384
385	$self
386	}
387
388	# the name / primary key / in-game path
389	sub as_string {
390	my ($self) = @_;
391
392	$self->{user_rel} ? "~$self->{user}$self->{path}"
393	: $self->{random} ? "?random/$self->{path}"
394	: $self->{path}
395	}
396
397	# the displayed name, this is a one way mapping
398	sub visible_name {
399	my ($self) = @_;
400
401	# if (my $rmp = $self->{random}) {
402	# # todo: be more intelligent about this
403	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
404	# } else {
405	$self->as_string
406	# }
407	}
408
409	# escape the /'s in the path
410	sub _escaped_path {
411	# ∕ is U+2215
412	(my $path = $_[0]{path}) =~ s/\//∕/g;
413	$path
414	}
415
416	# the original (read-only) location
417	sub load_path {
418	my ($self) = @_;
419
420	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
421	}
422
423	# the temporary/swap location
424	sub save_path {
425	my ($self) = @_;
426
427	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
428	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
429	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
430	}
431
432	# the unique path, might be eq to save_path
433	sub uniq_path {
434	my ($self) = @_;
435
436	$self->{user_rel} || $self->{random}
437	? undef
438	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
439	}
440
441	# return random map parameters, or undef
442	sub random_map_params {
443	my ($self) = @_;
444
445	$self->{random}
446	}
447
448	# this is somewhat ugly, but style maps do need special treatment
449	sub is_style_map {
450	$_[0]{path} =~ m{^/styles/}
451	}
452
453	package cf;
454		572
455	#############################################################################	573	#############################################################################
456		574
457	=head2 ATTACHABLE OBJECTS	575	=head2 ATTACHABLE OBJECTS
458		576
…		…
460	attach callbacks/event handlers (a collection of which is called an "attachment")	578	attach callbacks/event handlers (a collection of which is called an "attachment")
461	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
462		580
463	In the following description, CLASS can be any of C<global>, C<object>	581	In the following description, CLASS can be any of C<global>, C<object>
464	C<player>, C<client> or C<map> (i.e. the attachable objects in	582	C<player>, C<client> or C<map> (i.e. the attachable objects in
465	crossfire+).	583	Crossfire TRT).
466		584
467	=over 4	585	=over 4
468		586
469	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
470		588
…		…
584	our @CB_TYPE = (); # registry for type (cf-object class) based events	702	our @CB_TYPE = (); # registry for type (cf-object class) based events
585	our @CB_MAP = ();	703	our @CB_MAP = ();
586		704
587	my %attachment;	705	my %attachment;
588		706
		707	sub cf::attachable::thawer_merge {
		708	# simply override everything except _meta
		709	local $_[0]{_meta};
		710	%{$_[0]} = %{$_[1]};
		711	}
		712
589	sub _attach_cb($$$$) {	713	sub _attach_cb($$$$) {
590	my ($registry, $event, $prio, $cb) = @_;	714	my ($registry, $event, $prio, $cb) = @_;
591		715
592	use sort 'stable';	716	use sort 'stable';
593		717
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
628		752
629	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		757
634	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	759	my $pkg = shift @arg;
636		760
637	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
667	}	791	}
668		792
669	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
670	} else {	794	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	796	}
673		797
674	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
675	}	799	}
676		800
…		…
678	if (ref $_[0]) {	802	if (ref $_[0]) {
679	_object_attach @_;	803	_object_attach @_;
680	} else {	804	} else {
681	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
682	}	806	}
		807	_recalc_want;
683	};	808	};
684		809
685	# all those should be optimised	810	# all those should be optimised
686	sub cf::attachable::detach {	811	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
691	reattach ($obj);	816	reattach ($obj);
692	} else {	817	} else {
693	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
694	}	819	}
		820	_recalc_want;
695	};	821	};
696		822
697	sub cf::attachable::attached {	823	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
699		825
…		…
764	# object support	890	# object support
765		891
766	sub reattach {	892	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	893	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	894	my ($obj) = @_;
		895
		896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
769		897
770	my $registry = $obj->registry;	898	my $registry = $obj->registry;
771		899
772	@$registry = ();	900	@$registry = ();
773		901
…		…
820	$filename, length $$rdata, scalar @$objs;	948	$filename, length $$rdata, scalar @$objs;
821		949
822	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	951	chmod SAVE_MODE, $fh;
824	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
825	aio_fsync $fh;	953	aio_fsync $fh if $cf::USE_FSYNC;
826	close $fh;	954	close $fh;
827		955
828	if (@$objs) {	956	if (@$objs) {
829	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
831	my $data = Storable::nfreeze { version => 1, objs => $objs };	959	my $data = Storable::nfreeze { version => 1, objs => $objs };
832	aio_write $fh, 0, (length $data), $data, 0;	960	aio_write $fh, 0, (length $data), $data, 0;
833	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
834	close $fh;	962	close $fh;
835	aio_rename "$filename.pst~", "$filename.pst";	963	aio_rename "$filename.pst~", "$filename.pst";
836	}	964	}
837	} else {	965	} else {
838	aio_unlink "$filename.pst";	966	aio_unlink "$filename.pst";
…		…
870	or return;	998	or return;
871	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
872	}	1000	}
873		1001
874	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
875	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
876	return ($data, $av);	1004	return ($data, $av);
877	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
878		1012
879	#############################################################################	1013	#############################################################################
880	# command handling &c	1014	# command handling &c
881		1015
882	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
895	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
896	}	1030	}
897		1031
898	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
899		1033
900	Register a callbackf ro execution when the client sends an extcmd packet.	1034	Register a callback fro execution when the client sends an extcmd packet.
901		1035
902	If the callback returns something, it is sent back as if reply was being	1036	If the callback returns something, it is sent back as if reply was being
903	called.	1037	called.
904		1038
905	=cut	1039	=cut
906		1040
907	sub register_extcmd {	1041	sub register_extcmd {
908	my ($name, $cb) = @_;	1042	my ($name, $cb) = @_;
909		1043
910	my $caller = caller;
911	#warn "registering extcmd '$name' to '$caller'";
912
913	$EXTCMD{$name} = [$cb, $caller];	1044	$EXTCMD{$name} = $cb;
914	}	1045	}
915		1046
916	cf::player->attach (	1047	cf::player->attach (
917	on_command => sub {	1048	on_command => sub {
918	my ($pl, $name, $params) = @_;	1049	my ($pl, $name, $params) = @_;
…		…
931		1062
932	my $msg = eval { from_json $buf };	1063	my $msg = eval { from_json $buf };
933		1064
934	if (ref $msg) {	1065	if (ref $msg) {
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
936	if (my %reply = $cb->[0]->($pl, $msg)) {	1067	if (my %reply = $cb->($pl, $msg)) {
937	$pl->ext_reply ($msg->{msgid}, %reply);	1068	$pl->ext_reply ($msg->{msgid}, %reply);
938	}	1069	}
939	}	1070	}
940	} else {	1071	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
943		1074
944	cf::override;	1075	cf::override;
945	},	1076	},
946	);	1077	);
947		1078
948	sub register {
949	my ($base, $pkg) = @_;
950
951	#TODO
952	}
953
954	sub load_extension {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
		1083	for my $path (<$LIBDIR/*.ext>) {
		1084	next unless -r $path;
		1085
		1086	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1087	my $base = $1;
		1088	my $pkg = $1;
		1089	$pkg =~ s/[^[:word:]]/_/g;
		1090	$pkg = "ext::$pkg";
		1091
		1092	open my $fh, "<:utf8", $path
		1093	or die "$path: $!";
		1094
		1095	my $source = do { local $/; <$fh> };
		1096
		1097	my %ext = (
		1098	path => $path,
		1099	base => $base,
		1100	pkg => $pkg,
		1101	);
		1102
		1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1105
		1106	$ext{source} =
		1107	"package $pkg; use strict; use utf8;\n"
		1108	. "#line 1 \"$path\"\n{\n"
		1109	. $source
		1110	. "\n};\n1";
		1111
		1112	$todo{$base} = \%ext;
		1113	}
		1114
		1115	my %done;
		1116	while (%todo) {
		1117	my $progress;
		1118
		1119	while (my ($k, $v) = each %todo) {
		1120	for (split /,\s*/, $v->{meta}{depends}) {
		1121	goto skip
		1122	unless exists $done{$_};
		1123	}
		1124
		1125	warn "... loading '$k' into '$v->{pkg}'\n";
		1126
		1127	unless (eval $v->{source}) {
		1128	my $msg = $@ ? "$v->{path}: $@\n"
		1129	: "$v->{base}: extension inactive.\n";
		1130
		1131	if (exists $v->{meta}{mandatory}) {
		1132	warn $msg;
		1133	warn "mandatory extension failed to load, exiting.\n";
		1134	exit 1;
		1135	}
		1136
		1137	warn $msg;
		1138	}
		1139
		1140	$done{$k} = delete $todo{$k};
		1141	push @EXTS, $v->{pkg};
		1142	$progress = 1;
		1143	}
		1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
		1149	};
		1150	}
		1151
		1152	#############################################################################
		1153
		1154	=back
		1155
		1156	=head2 CORE EXTENSIONS
		1157
		1158	Functions and methods that extend core crossfire objects.
		1159
		1160	=cut
		1161
		1162	package cf::player;
		1163
		1164	use Coro::AIO;
		1165
		1166	=head3 cf::player
		1167
		1168	=over 4
		1169
		1170	=item cf::player::find $login
		1171
		1172	Returns the given player object, loading it if necessary (might block).
		1173
		1174	=cut
		1175
		1176	sub playerdir($) {
		1177	"$PLAYERDIR/"
		1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1179	}
		1180
		1181	sub path($) {
		1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1183
		1184	(playerdir $login) . "/playerdata"
		1185	}
		1186
		1187	sub find_active($) {
		1188	$cf::PLAYER{$_[0]}
		1189	and $cf::PLAYER{$_[0]}->active
		1190	and $cf::PLAYER{$_[0]}
		1191	}
		1192
		1193	sub exists($) {
		1194	my ($login) = @_;
		1195
		1196	$cf::PLAYER{$login}
		1197	or cf::sync_job { !aio_stat path $login }
		1198	}
		1199
		1200	sub find($) {
		1201	return $cf::PLAYER{$_[0]} || do {
		1202	my $login = $_[0];
		1203
		1204	my $guard = cf::lock_acquire "user_find:$login";
		1205
		1206	$cf::PLAYER{$_[0]} || do {
		1207	# rename old playerfiles to new ones
		1208	#TODO: remove when no longer required
		1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1212	aio_unlink +(playerdir $login) . "/$login.pl";
		1213
		1214	my $pl = load_pl path $login
		1215	or return;
		1216	$cf::PLAYER{$login} = $pl
		1217	}
		1218	}
		1219	}
		1220
		1221	sub save($) {
		1222	my ($pl) = @_;
		1223
		1224	return if $pl->{deny_save};
		1225
		1226	my $path = path $pl;
		1227	my $guard = cf::lock_acquire "user_save:$path";
		1228
		1229	return if $pl->{deny_save};
		1230
		1231	aio_mkdir playerdir $pl, 0770;
		1232	$pl->{last_save} = $cf::RUNTIME;
		1233
		1234	$pl->save_pl ($path);
		1235	Coro::cede;
		1236	}
		1237
		1238	sub new($) {
		1239	my ($login) = @_;
		1240
		1241	my $self = create;
		1242
		1243	$self->ob->name ($login);
		1244	$self->{deny_save} = 1;
		1245
		1246	$cf::PLAYER{$login} = $self;
		1247
		1248	$self
		1249	}
		1250
		1251	=item $pl->quit_character
		1252
		1253	Nukes the player without looking back. If logged in, the connection will
		1254	be destroyed. May block for a long time.
		1255
		1256	=cut
		1257
		1258	sub quit_character {
		1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
		1262
		1263	$pl->{deny_save} = 1;
		1264	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1265
		1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1267	$pl->deactivate;
		1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1269	$pl->ns->destroy if $pl->ns;
		1270
		1271	my $path = playerdir $pl;
		1272	my $temp = "$path~$cf::RUNTIME~deleting~";
		1273	aio_rename $path, $temp;
		1274	delete $cf::PLAYER{$pl->ob->name};
		1275	$pl->destroy;
		1276
		1277	my $prefix = qr<^~\Q$name\E/>;
		1278
		1279	# nuke player maps
		1280	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1281
		1282	IO::AIO::aio_rmtree $temp;
		1283	}
		1284
		1285	=item $pl->kick
		1286
		1287	Kicks a player out of the game. This destroys the connection.
		1288
		1289	=cut
		1290
		1291	sub kick {
		1292	my ($pl, $kicker) = @_;
		1293
		1294	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1295	$pl->killer ("kicked");
		1296	$pl->ns->destroy;
		1297	}
		1298
		1299	=item cf::player::list_logins
		1300
		1301	Returns am arrayref of all valid playernames in the system, can take a
		1302	while and may block, so not sync_job-capable, ever.
		1303
		1304	=cut
		1305
		1306	sub list_logins {
		1307	my $dirs = aio_readdir $PLAYERDIR
		1308	or return [];
		1309
		1310	my @logins;
		1311
		1312	for my $login (@$dirs) {
		1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1314	aio_read $fh, 0, 512, my $buf, 0 or next;
		1315	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1316
		1317	utf8::decode $login;
		1318	push @logins, $login;
		1319	}
		1320
		1321	\@logins
		1322	}
		1323
		1324	=item $player->maps
		1325
		1326	Returns an arrayref of map paths that are private for this
		1327	player. May block.
		1328
		1329	=cut
		1330
		1331	sub maps($) {
		1332	my ($pl) = @_;
		1333
		1334	$pl = ref $pl ? $pl->ob->name : $pl;
		1335
		1336	my $files = aio_readdir playerdir $pl
		1337	or return;
		1338
		1339	my @paths;
		1340
		1341	for (@$files) {
		1342	utf8::decode $_;
		1343	next if /\.(?:pl|pst)$/;
		1344	next unless /^$PATH_SEP/o;
		1345
		1346	push @paths, cf::map::normalise "~$pl/$_";
		1347	}
		1348
		1349	\@paths
		1350	}
		1351
		1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1353
		1354	Expand crossfire pod fragments into protocol xml.
		1355
		1356	=cut
		1357
		1358	sub expand_cfpod {
		1359	((my $self), (local $_)) = @_;
		1360
		1361	# escape & and <
		1362	s/&/&amp;/g;
		1363	s/(?<![BIUGH])</&lt;/g;
		1364
		1365	# this is buggy, it needs to properly take care of nested <'s
		1366
		1367	1 while
		1368	# replace B<>, I<>, U<> etc.
		1369	s/B<([^\>]*)>/<b>$1<\/b>/
		1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1372	# replace G<male|female> tags
		1373	|| s{G<([^>|]*)\|([^>]*)>}{
		1374	$self->gender ? $2 : $1
		1375	}ge
		1376	# replace H<hint text>
		1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1378
		1379	# create single paragraphs (very hackish)
		1380	s/(?<=\S)\n(?=\w)/ /g;
		1381
		1382	$_
		1383	}
		1384
		1385	=item $player->ext_reply ($msgid, %msg)
		1386
		1387	Sends an ext reply to the player.
		1388
		1389	=cut
		1390
		1391	sub ext_reply($$%) {
		1392	my ($self, $id, %msg) = @_;
		1393
		1394	$msg{msgid} = $id;
		1395
		1396	$self->send ("ext " . cf::to_json \%msg);
		1397	}
		1398
		1399	=item $player->ext_event ($type, %msg)
		1400
		1401	Sends an ext event to the client.
		1402
		1403	=cut
		1404
		1405	sub ext_event($$%) {
		1406	my ($self, $type, %msg) = @_;
		1407
		1408	$self->ns->ext_event ($type, %msg);
		1409	}
		1410
		1411	=head3 cf::region
		1412
		1413	=over 4
		1414
		1415	=cut
		1416
		1417	package cf::region;
		1418
		1419	=item cf::region::find_by_path $path
		1420
		1421	Tries to decuce the likely region for a map knowing only its path.
		1422
		1423	=cut
		1424
		1425	sub find_by_path($) {
955	my ($path) = @_;	1426	my ($path) = @_;
956		1427
957	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1428	my ($match, $specificity);
958	my $base = $1;
959	my $pkg = $1;
960	$pkg =~ s/[^[:word:]]/_/g;
961	$pkg = "ext::$pkg";
962		1429
963	warn "loading '$path' into '$pkg'\n";	1430	for my $region (list) {
964		1431	if ($region->match && $path =~ $region->match) {
965	open my $fh, "<:utf8", $path	1432	($match, $specificity) = ($region, $region->specificity)
966	or die "$path: $!";	1433	if $region->specificity > $specificity;
967		1434	}
968	my $source =
969	"package $pkg; use strict; use utf8;\n"
970	. "#line 1 \"$path\"\n{\n"
971	. (do { local $/; <$fh> })
972	. "\n};\n1";
973
974	eval $source
975	or die $@ ? "$path: $@\n"
976	: "extension disabled.\n";
977
978	push @exts, $pkg;
979	$ext_pkg{$base} = $pkg;
980
981	# no strict 'refs';
982	# @{"$pkg\::ISA"} = ext::;
983
984	register $base, $pkg;
985	}
986
987	sub unload_extension {
988	my ($pkg) = @_;
989
990	warn "removing extension $pkg\n";
991
992	# remove hooks
993	#TODO
994	# for my $idx (0 .. $#PLUGIN_EVENT) {
995	# delete $hook[$idx]{$pkg};
996	# }	1435	}
997		1436
998	# remove commands	1437	$match
999	for my $name (keys %COMMAND) {
1000	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1001
1002	if (@cb) {
1003	$COMMAND{$name} = \@cb;
1004	} else {
1005	delete $COMMAND{$name};
1006	}
1007	}
1008
1009	# remove extcmds
1010	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1011	delete $EXTCMD{$name};
1012	}
1013
1014	if (my $cb = $pkg->can ("unload")) {
1015	eval {
1016	$cb->($pkg);
1017	1
1018	} or warn "$pkg unloaded, but with errors: $@";
1019	}
1020
1021	Symbol::delete_package $pkg;
1022	}
1023
1024	sub load_extensions {
1025	for my $ext (<$LIBDIR/*.ext>) {
1026	next unless -r $ext;
1027	eval {
1028	load_extension $ext;
1029	1
1030	} or warn "$ext not loaded: $@";
1031	}
1032	}
1033
1034	#############################################################################
1035	# load/save/clean perl data associated with a map
1036
1037	*cf::mapsupport::on_clean = sub {
1038	my ($map) = @_;
1039
1040	my $path = $map->tmpname;
1041	defined $path or return;
1042
1043	unlink "$path.pst";
1044	};
1045
1046	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1047
1048	#############################################################################
1049	# load/save perl data associated with player->ob objects
1050
1051	sub all_objects(@) {
1052	@_, map all_objects ($_->inv), @_
1053	}
1054
1055	# TODO: compatibility cruft, remove when no longer needed
1056	cf::player->attach (
1057	on_load => sub {
1058	my ($pl, $path) = @_;
1059
1060	for my $o (all_objects $pl->ob) {
1061	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1062	$o->set_ob_key_value ("_perl_data");
1063
1064	%$o = %{ Storable::thaw pack "H*", $value };
1065	}
1066	}
1067	},
1068	);
1069
1070	#############################################################################
1071
1072	=head2 CORE EXTENSIONS
1073
1074	Functions and methods that extend core crossfire objects.
1075
1076	=head3 cf::player
1077
1078	=over 4
1079
1080	=item cf::player::exists $login
1081
1082	Returns true when the given account exists.
1083
1084	=cut
1085
1086	sub cf::player::exists($) {
1087	cf::player::find $_[0]
1088	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1089	}
1090
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)
1092
1093	Sends an ext reply to the player.
1094
1095	=cut
1096
1097	sub cf::player::ext_reply($$$%) {
1098	my ($self, $id, %msg) = @_;
1099
1100	$msg{msgid} = $id;
1101
1102	$self->send ("ext " . to_json \%msg);
1103	}	1438	}
1104		1439
1105	=back	1440	=back
1106
1107		1441
1108	=head3 cf::map	1442	=head3 cf::map
1109		1443
1110	=over 4	1444	=over 4
1111		1445
…		…
1114	package cf::map;	1448	package cf::map;
1115		1449
1116	use Fcntl;	1450	use Fcntl;
1117	use Coro::AIO;	1451	use Coro::AIO;
1118		1452
		1453	use overload
		1454	'""' => \&as_string,
		1455	fallback => 1;
		1456
1119	our $MAX_RESET = 3600;	1457	our $MAX_RESET = 3600;
1120	our $DEFAULT_RESET = 3000;	1458	our $DEFAULT_RESET = 3000;
1121		1459
1122	sub generate_random_map {	1460	sub generate_random_map {
1123	my ($path, $rmp) = @_;	1461	my ($self, $rmp) = @_;
1124
1125	# mit "rum" bekleckern, nicht	1462	# mit "rum" bekleckern, nicht
1126	cf::map::_create_random_map	1463	$self->_create_random_map (
1127	$path,
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1467	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1468	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1469	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1470	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1471	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1472	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1473	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region})	1474	(cf::region::find $rmp->{region}), $rmp->{custom}
		1475	)
		1476	}
		1477
		1478	=item cf::map->register ($regex, $prio)
		1479
		1480	Register a handler for the map path matching the given regex at the
		1481	givne priority (higher is better, built-in handlers have priority 0, the
		1482	default).
		1483
		1484	=cut
		1485
		1486	sub register {
		1487	my (undef, $regex, $prio) = @_;
		1488	my $pkg = caller;
		1489
		1490	no strict;
		1491	push @{"$pkg\::ISA"}, __PACKAGE__;
		1492
		1493	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1494	}
		1495
		1496	# also paths starting with '/'
		1497	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1498
		1499	sub thawer_merge {
		1500	my ($self, $merge) = @_;
		1501
		1502	# we have to keep some variables in memory intact
		1503	local $self->{path};
		1504	local $self->{load_path};
		1505
		1506	$self->SUPER::thawer_merge ($merge);
		1507	}
		1508
		1509	sub normalise {
		1510	my ($path, $base) = @_;
		1511
		1512	$path = "$path"; # make sure its a string
		1513
		1514	$path =~ s/\.map$//;
		1515
		1516	# map plan:
		1517	#
		1518	# /! non-realised random map exit (special hack!)
		1519	# {... are special paths that are not being touched
		1520	# ?xxx/... are special absolute paths
		1521	# ?random/... random maps
		1522	# /... normal maps
		1523	# ~user/... per-player map of a specific user
		1524
		1525	$path =~ s/$PATH_SEP/\//go;
		1526
		1527	# treat it as relative path if it starts with
		1528	# something that looks reasonable
		1529	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1530	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1531
		1532	$base =~ s{[^/]+/?$}{};
		1533	$path = "$base/$path";
		1534	}
		1535
		1536	for ($path) {
		1537	redo if s{//}{/};
		1538	redo if s{/\.?/}{/};
		1539	redo if s{/[^/]+/\.\./}{/};
		1540	}
		1541
		1542	$path
		1543	}
		1544
		1545	sub new_from_path {
		1546	my (undef, $path, $base) = @_;
		1547
		1548	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1549
		1550	$path = normalise $path, $base;
		1551
		1552	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1553	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1554	my $self = bless cf::map::new, $pkg;
		1555	$self->{path} = $path; $self->path ($path);
		1556	$self->init; # pass $1 etc.
		1557	return $self;
		1558	}
		1559	}
		1560
		1561	Carp::carp "unable to resolve path '$path' (base '$base').";
		1562	()
		1563	}
		1564
		1565	sub init {
		1566	my ($self) = @_;
		1567
		1568	$self
		1569	}
		1570
		1571	sub as_string {
		1572	my ($self) = @_;
		1573
		1574	"$self->{path}"
		1575	}
		1576
		1577	# the displayed name, this is a one way mapping
		1578	sub visible_name {
		1579	&as_string
		1580	}
		1581
		1582	# the original (read-only) location
		1583	sub load_path {
		1584	my ($self) = @_;
		1585
		1586	"$MAPDIR/$self->{path}.map"
		1587	}
		1588
		1589	# the temporary/swap location
		1590	sub save_path {
		1591	my ($self) = @_;
		1592
		1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1594	"$TMPDIR/$path.map"
		1595	}
		1596
		1597	# the unique path, undef == no special unique path
		1598	sub uniq_path {
		1599	my ($self) = @_;
		1600
		1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1602	"$UNIQUEDIR/$path"
1139	}	1603	}
1140		1604
1141	# and all this just because we cannot iterate over	1605	# and all this just because we cannot iterate over
1142	# all maps in C++...	1606	# all maps in C++...
1143	sub change_all_map_light {	1607	sub change_all_map_light {
…		…
1145		1609
1146	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1147	for grep $_->outdoor, values %cf::MAP;	1611	for grep $_->outdoor, values %cf::MAP;
1148	}	1612	}
1149		1613
		1614	sub decay_objects {
		1615	my ($self) = @_;
		1616
		1617	return if $self->{deny_reset};
		1618
		1619	$self->do_decay_objects;
		1620	}
		1621
		1622	sub unlink_save {
		1623	my ($self) = @_;
		1624
		1625	utf8::encode (my $save = $self->save_path);
		1626	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1627	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1628	}
		1629
1150	sub try_load_header($) {	1630	sub load_header_from($) {
1151	my ($path) = @_;	1631	my ($self, $path) = @_;
1152		1632
1153	utf8::encode $path;	1633	utf8::encode $path;
1154	aio_open $path, O_RDONLY, 0	1634	#aio_open $path, O_RDONLY, 0
		1635	# or return;
		1636
		1637	$self->_load_header ($path)
1155	or return;	1638	or return;
1156		1639
1157	my $map = cf::map::new	1640	$self->{load_path} = $path;
		1641
		1642	1
		1643	}
		1644
		1645	sub load_header_orig {
		1646	my ($self) = @_;
		1647
		1648	$self->load_header_from ($self->load_path)
		1649	}
		1650
		1651	sub load_header_temp {
		1652	my ($self) = @_;
		1653
		1654	$self->load_header_from ($self->save_path)
		1655	}
		1656
		1657	sub prepare_temp {
		1658	my ($self) = @_;
		1659
		1660	$self->last_access ((delete $self->{last_access})
		1661	|| $cf::RUNTIME); #d#
		1662	# safety
		1663	$self->{instantiate_time} = $cf::RUNTIME
		1664	if $self->{instantiate_time} > $cf::RUNTIME;
		1665	}
		1666
		1667	sub prepare_orig {
		1668	my ($self) = @_;
		1669
		1670	$self->{load_original} = 1;
		1671	$self->{instantiate_time} = $cf::RUNTIME;
		1672	$self->last_access ($cf::RUNTIME);
		1673	$self->instantiate;
		1674	}
		1675
		1676	sub load_header {
		1677	my ($self) = @_;
		1678
		1679	if ($self->load_header_temp) {
		1680	$self->prepare_temp;
		1681	} else {
		1682	$self->load_header_orig
1158	or return;	1683	or return;
		1684	$self->prepare_orig;
		1685	}
1159		1686
1160	# for better error messages only, will be overwritten	1687	$self->{deny_reset} = 1
1161	$map->path ($path);	1688	if $self->no_reset;
1162		1689
1163	$map->load_header ($path)	1690	$self->default_region (cf::region::find_by_path $self->{path})
1164	or return;	1691	unless $self->default_region;
1165		1692
1166	$map->{load_path} = $path;	1693	1
1167
1168	$map
1169	}	1694	}
1170		1695
1171	sub find;	1696	sub find;
1172	sub find {	1697	sub find {
1173	my ($path, $origin) = @_;	1698	my ($path, $origin) = @_;
1174		1699
1175	#warn "find<$path,$origin>\n";#d#
1176
1177	$path = new cf::path $path, $origin && $origin->path;	1700	$path = normalise $path, $origin && $origin->path;
1178	my $key = $path->as_string;
1179		1701
1180	cf::lock_wait "map_find:$key";	1702	cf::lock_wait "map_find:$path";
1181		1703
1182	$cf::MAP{$key} || do {	1704	$cf::MAP{$path} || do {
1183	my $guard = cf::lock_acquire "map_find:$key";	1705	my $guard = cf::lock_acquire "map_find:$path";
1184		1706	my $map = new_from_path cf::map $path
1185	# do it the slow way
1186	my $map = try_load_header $path->save_path;
1187
1188	Coro::cede;
1189
1190	if ($map) {
1191	$map->last_access ((delete $map->{last_access})
1192	|| $cf::RUNTIME); #d#
1193	# safety
1194	$map->{instantiate_time} = $cf::RUNTIME
1195	if $map->{instantiate_time} > $cf::RUNTIME;
1196	} else {
1197	if (my $rmp = $path->random_map_params) {
1198	$map = generate_random_map $key, $rmp;
1199	} else {
1200	$map = try_load_header $path->load_path;
1201	}
1202
1203	$map or return;	1707	or return;
1204		1708
1205	$map->{load_original} = 1;
1206	$map->{instantiate_time} = $cf::RUNTIME;
1207	$map->last_access ($cf::RUNTIME);
1208	$map->instantiate;
1209
1210	# per-player maps become, after loading, normal maps
1211	$map->per_player (0) if $path->{user_rel};
1212	}
1213
1214	$map->path ($key);
1215	$map->{path} = $path;
1216	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1217		1710
1218	Coro::cede;	1711	$map->load_header
		1712	or return;
1219		1713
1220	if ($map->should_reset) {	1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1715	# doing this can freeze the server in a sync job, obviously
		1716	#$cf::WAIT_FOR_TICK->wait;
1221	$map->reset;	1717	$map->reset;
1222	undef $guard;	1718	undef $guard;
1223	$map = find $path	1719	return find $path;
1224	or return;
1225	}	1720	}
1226		1721
1227	$cf::MAP{$key} = $map	1722	$cf::MAP{$path} = $map
1228	}	1723	}
1229	}	1724	}
		1725
		1726	sub pre_load { }
		1727	sub post_load { }
1230		1728
1231	sub load {	1729	sub load {
1232	my ($self) = @_;	1730	my ($self) = @_;
1233		1731
		1732	local $self->{deny_reset} = 1; # loading can take a long time
		1733
1234	my $path = $self->{path};	1734	my $path = $self->{path};
		1735
		1736	{
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1737	my $guard = cf::lock_acquire "map_load:$path";
1236		1738
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1739	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1740
1239	$self->in_memory (cf::MAP_LOADING);	1741	$self->in_memory (cf::MAP_LOADING);
1240		1742
1241	$self->alloc;	1743	$self->alloc;
		1744
		1745	$self->pre_load;
		1746	Coro::cede;
		1747
1242	$self->load_objects ($self->{load_path}, 1)	1748	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1749	or return;
1244		1750
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1752	if delete $self->{load_original};
1247		1753
1248	if (my $uniq = $path->uniq_path) {	1754	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1755	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1756	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1757	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1758	$self->_load_objects ($uniq, 0);
1253	}	1759	}
1254	}	1760	}
1255		1761
1256	Coro::cede;	1762	Coro::cede;
1257
1258	# now do the right thing for maps	1763	# now do the right thing for maps
1259	$self->link_multipart_objects;	1764	$self->link_multipart_objects;
1260
1261	if ($self->{path}->is_style_map) {
1262	$self->{deny_save} = 1;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;
1268	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1766	unless $self->difficulty;
		1767	Coro::cede;
		1768
		1769	unless ($self->{deny_activate}) {
		1770	$self->decay_objects;
		1771	$self->fix_auto_apply;
		1772	$self->update_buttons;
		1773	Coro::cede;
		1774	$self->set_darkness_map;
		1775	Coro::cede;
1271	$self->activate;	1776	$self->activate;
1272	}	1777	}
1273		1778
1274	Coro::cede;
1275
1276	$self->in_memory (cf::MAP_IN_MEMORY);	1779	$self->in_memory (cf::MAP_IN_MEMORY);
		1780	}
		1781
		1782	$self->post_load;
		1783	}
		1784
		1785	sub customise_for {
		1786	my ($self, $ob) = @_;
		1787
		1788	return find "~" . $ob->name . "/" . $self->{path}
		1789	if $self->per_player;
		1790
		1791	# return find "?party/" . $ob->name . "/" . $self->{path}
		1792	# if $self->per_party;
		1793
		1794	$self
		1795	}
		1796
		1797	# find and load all maps in the 3x3 area around a map
		1798	sub load_diag {
		1799	my ($map) = @_;
		1800
		1801	my @diag; # diagonal neighbours
		1802
		1803	for (0 .. 3) {
		1804	my $neigh = $map->tile_path ($_)
		1805	or next;
		1806	$neigh = find $neigh, $map
		1807	or next;
		1808	$neigh->load;
		1809
		1810	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1811	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1812	}
		1813
		1814	for (@diag) {
		1815	my $neigh = find @$_
		1816	or next;
		1817	$neigh->load;
		1818	}
1277	}	1819	}
1278		1820
1279	sub find_sync {	1821	sub find_sync {
1280	my ($path, $origin) = @_;	1822	my ($path, $origin) = @_;
1281		1823
1282	cf::sync_job { cf::map::find $path, $origin }	1824	cf::sync_job { find $path, $origin }
1283	}	1825	}
1284		1826
1285	sub do_load_sync {	1827	sub do_load_sync {
1286	my ($map) = @_;	1828	my ($map) = @_;
1287		1829
1288	cf::sync_job { $map->load };	1830	cf::sync_job { $map->load };
1289	}	1831	}
1290		1832
		1833	our %MAP_PREFETCH;
		1834	our $MAP_PREFETCHER = undef;
		1835
		1836	sub find_async {
		1837	my ($path, $origin) = @_;
		1838
		1839	$path = normalise $path, $origin && $origin->{path};
		1840
		1841	if (my $map = $cf::MAP{$path}) {
		1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1843	}
		1844
		1845	undef $MAP_PREFETCH{$path};
		1846	$MAP_PREFETCHER ||= cf::async {
		1847	while (%MAP_PREFETCH) {
		1848	for my $path (keys %MAP_PREFETCH) {
		1849	my $map = find $path
		1850	or next;
		1851	$map->load;
		1852
		1853	delete $MAP_PREFETCH{$path};
		1854	}
		1855	}
		1856	undef $MAP_PREFETCHER;
		1857	};
		1858	$MAP_PREFETCHER->prio (6);
		1859
		1860	()
		1861	}
		1862
1291	sub save {	1863	sub save {
1292	my ($self) = @_;	1864	my ($self) = @_;
1293		1865
1294	my $lock = cf::lock_acquire "map_data:" . $self->path;	1866	my $lock = cf::lock_acquire "map_data:" . $self->path;
1295		1867
1296	$self->{last_save} = $cf::RUNTIME;	1868	$self->{last_save} = $cf::RUNTIME;
1297		1869
1298	return unless $self->dirty;	1870	return unless $self->dirty;
1299		1871
1300	my $save = $self->{path}->save_path; utf8::encode $save;	1872	my $save = $self->save_path; utf8::encode $save;
1301	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1873	my $uniq = $self->uniq_path; utf8::encode $uniq;
1302		1874
1303	$self->{load_path} = $save;	1875	$self->{load_path} = $save;
1304		1876
1305	return if $self->{deny_save};	1877	return if $self->{deny_save};
1306		1878
1307	local $self->{last_access} = $self->last_access;#d#	1879	local $self->{last_access} = $self->last_access;#d#
1308		1880
		1881	cf::async {
		1882	$_->contr->save for $self->players;
		1883	};
		1884
1309	if ($uniq) {	1885	if ($uniq) {
1310	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1311	$self->save_objects ($uniq, cf::IO_UNIQUES);	1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1312	} else {	1888	} else {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1889	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1314	}	1890	}
1315	}	1891	}
1316		1892
1317	sub swap_out {	1893	sub swap_out {
1318	my ($self) = @_;	1894	my ($self) = @_;
…		…
1332		1908
1333	sub reset_at {	1909	sub reset_at {
1334	my ($self) = @_;	1910	my ($self) = @_;
1335		1911
1336	# TODO: safety, remove and allow resettable per-player maps	1912	# TODO: safety, remove and allow resettable per-player maps
1337	return 1e99 if $self->{path}{user_rel};
1338	return 1e99 if $self->{deny_reset};	1913	return 1e99 if $self->{deny_reset};
1339		1914
1340	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1342		1917
…		…
1347	my ($self) = @_;	1922	my ($self) = @_;
1348		1923
1349	$self->reset_at <= $cf::RUNTIME	1924	$self->reset_at <= $cf::RUNTIME
1350	}	1925	}
1351		1926
1352	sub unlink_save {
1353	my ($self) = @_;
1354
1355	utf8::encode (my $save = $self->{path}->save_path);
1356	aioreq_pri 3; IO::AIO::aio_unlink $save;
1357	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1358	}
1359
1360	sub rename {
1361	my ($self, $new_path) = @_;
1362
1363	$self->unlink_save;
1364
1365	delete $cf::MAP{$self->path};
1366	$self->{path} = new cf::path $new_path;
1367	$self->path ($self->{path}->as_string);
1368	$cf::MAP{$self->path} = $self;
1369
1370	$self->save;
1371	}
1372
1373	sub reset {	1927	sub reset {
1374	my ($self) = @_;	1928	my ($self) = @_;
1375		1929
1376	my $lock = cf::lock_acquire "map_data:" . $self->path;	1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
1377		1931
1378	return if $self->players;	1932	return if $self->players;
1379	return if $self->{path}{user_rel};#d#
1380		1933
1381	warn "resetting map ", $self->path;#d#	1934	warn "resetting map ", $self->path;
		1935
		1936	$self->in_memory (cf::MAP_SWAPPED);
		1937
		1938	# need to save uniques path
		1939	unless ($self->{deny_save}) {
		1940	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1941
		1942	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1943	if $uniq;
		1944	}
1382		1945
1383	delete $cf::MAP{$self->path};	1946	delete $cf::MAP{$self->path};
		1947
		1948	$self->clear;
1384		1949
1385	$_->clear_links_to ($self) for values %cf::MAP;	1950	$_->clear_links_to ($self) for values %cf::MAP;
1386		1951
1387	$self->unlink_save;	1952	$self->unlink_save;
1388	$self->destroy;	1953	$self->destroy;
…		…
1391	my $nuke_counter = "aaaa";	1956	my $nuke_counter = "aaaa";
1392		1957
1393	sub nuke {	1958	sub nuke {
1394	my ($self) = @_;	1959	my ($self) = @_;
1395		1960
		1961	delete $cf::MAP{$self->path};
		1962
		1963	$self->unlink_save;
		1964
		1965	bless $self, "cf::map";
		1966	delete $self->{deny_reset};
1396	$self->{deny_save} = 1;	1967	$self->{deny_save} = 1;
1397	$self->reset_timeout (1);	1968	$self->reset_timeout (1);
1398	$self->rename ("{nuke}/" . ($nuke_counter++));	1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1970
		1971	$cf::MAP{$self->path} = $self;
		1972
1399	$self->reset; # polite request, might not happen	1973	$self->reset; # polite request, might not happen
1400	}	1974	}
1401		1975
1402	sub customise_for {	1976	=item $maps = cf::map::tmp_maps
1403	my ($map, $ob) = @_;
1404		1977
1405	if ($map->per_player) {	1978	Returns an arrayref with all map paths of currently instantiated and saved
1406	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1979	maps. May block.
		1980
		1981	=cut
		1982
		1983	sub tmp_maps() {
1407	}	1984	[
1408		1985	map {
1409	$map	1986	utf8::decode $_;
		1987	/\.map$/
		1988	? normalise $_
		1989	: ()
		1990	} @{ aio_readdir $TMPDIR or [] }
		1991	]
1410	}	1992	}
1411		1993
1412	sub emergency_save {	1994	=item $maps = cf::map::random_maps
1413	my $freeze_guard = cf::freeze_mainloop;
1414		1995
1415	warn "enter emergency map save\n";	1996	Returns an arrayref with all map paths of currently instantiated and saved
		1997	random maps. May block.
1416		1998
1417	cf::sync_job {	1999	=cut
1418	warn "begin emergency map save\n";
1419	$_->save for values %cf::MAP;
1420	};
1421		2000
1422	warn "end emergency map save\n";	2001	sub random_maps() {
		2002	[
		2003	map {
		2004	utf8::decode $_;
		2005	/\.map$/
		2006	? normalise "?random/$_"
		2007	: ()
		2008	} @{ aio_readdir $RANDOMDIR or [] }
		2009	]
		2010	}
		2011
		2012	=item cf::map::unique_maps
		2013
		2014	Returns an arrayref of paths of all shared maps that have
		2015	instantiated unique items. May block.
		2016
		2017	=cut
		2018
		2019	sub unique_maps() {
		2020	[
		2021	map {
		2022	utf8::decode $_;
		2023	/\.map$/
		2024	? normalise $_
		2025	: ()
		2026	} @{ aio_readdir $UNIQUEDIR or [] }
		2027	]
1423	}	2028	}
1424		2029
1425	package cf;	2030	package cf;
1426		2031
1427	=back	2032	=back
1428		2033
		2034	=head3 cf::object
		2035
		2036	=cut
		2037
		2038	package cf::object;
		2039
		2040	=over 4
		2041
		2042	=item $ob->inv_recursive
		2043
		2044	Returns the inventory of the object _and_ their inventories, recursively.
		2045
		2046	=cut
		2047
		2048	sub inv_recursive_;
		2049	sub inv_recursive_ {
		2050	map { $_, inv_recursive_ $_->inv } @_
		2051	}
		2052
		2053	sub inv_recursive {
		2054	inv_recursive_ inv $_[0]
		2055	}
		2056
		2057	package cf;
		2058
		2059	=back
1429		2060
1430	=head3 cf::object::player	2061	=head3 cf::object::player
1431		2062
1432	=over 4	2063	=over 4
1433		2064
…		…
1447		2078
1448	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1449		2080
1450	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1451	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1452	} else {	2084	} else {
		2085	my $pl = $self->contr;
		2086
		2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2088	my $diag = $pl->{npc_dialog};
		2089	$diag->{pl}->ext_reply (
		2090	$diag->{id},
		2091	msgtype => "reply",
		2092	msg => $diag->{pl}->expand_cfpod ($msg),
		2093	add_topics => []
		2094	);
		2095
		2096	} else {
1453	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1454	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1455	}	2100	}
1456	}	2101	}
1457		2102
1458	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1459		2104
…		…
1473		2118
1474	=item $player_object->enter_link	2119	=item $player_object->enter_link
1475		2120
1476	Freezes the player and moves him/her to a special map (C<{link}>).	2121	Freezes the player and moves him/her to a special map (C<{link}>).
1477		2122
1478	The player should be reaosnably safe there for short amounts of time. You	2123	The player should be reasonably safe there for short amounts of time. You
1479	I<MUST> call C<leave_link> as soon as possible, though.	2124	I<MUST> call C<leave_link> as soon as possible, though.
1480		2125
		2126	Will never block.
		2127
1481	=item $player_object->leave_link ($map, $x, $y)	2128	=item $player_object->leave_link ($map, $x, $y)
1482		2129
1483	Moves the player out of the specila link map onto the given map. If the	2130	Moves the player out of the special C<{link}> map onto the specified
1484	map is not valid (or omitted), the player will be moved back to the	2131	map. If the map is not valid (or omitted), the player will be moved back
1485	location he/she was before the call to C<enter_link>, or, if that fails,	2132	to the location he/she was before the call to C<enter_link>, or, if that
1486	to the emergency map position.	2133	fails, to the emergency map position.
1487		2134
1488	Might block.	2135	Might block.
1489		2136
1490	=cut	2137	=cut
		2138
		2139	sub link_map {
		2140	unless ($LINK_MAP) {
		2141	$LINK_MAP = cf::map::find "{link}"
		2142	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2143	$LINK_MAP->load;
		2144	}
		2145
		2146	$LINK_MAP
		2147	}
1491		2148
1492	sub cf::object::player::enter_link {	2149	sub cf::object::player::enter_link {
1493	my ($self) = @_;	2150	my ($self) = @_;
1494		2151
1495	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
1496		2153
1497	return if $self->map == $LINK_MAP;	2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
1498		2155
1499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1500	if $self->map;	2157	if $self->map && $self->map->{path} ne "{link}";
1501		2158
1502	$self->enter_map ($LINK_MAP, 20, 20);	2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1503	}	2160	}
1504		2161
1505	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1506	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1507		2166
1508	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1509		2168
1510	unless ($map) {	2169	unless ($map) {
1511	# restore original map position	2170	# restore original map position
…		…
1525	# use -1 or undef as default coordinates, not 0, 0	2184	# use -1 or undef as default coordinates, not 0, 0
1526	($x, $y) = ($map->enter_x, $map->enter_y)	2185	($x, $y) = ($map->enter_x, $map->enter_y)
1527	if $x <=0 && $y <= 0;	2186	if $x <=0 && $y <= 0;
1528		2187
1529	$map->load;	2188	$map->load;
		2189	$map->load_diag;
1530		2190
		2191	return unless $self->contr->active;
1531	$self->activate_recursive;	2192	$self->activate_recursive;
		2193
		2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1532	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1533	}	2196	}
1534		2197
1535	cf::player->attach (
1536	on_logout => sub {
1537	my ($pl) = @_;
1538
1539	# abort map switching before logout
1540	if ($pl->ob->{_link_pos}) {
1541	cf::sync_job {
1542	$pl->ob->leave_link
1543	};
1544	}
1545	},
1546	on_login => sub {
1547	my ($pl) = @_;
1548
1549	# try to abort aborted map switching on player login :)
1550	# should happen only on crashes
1551	if ($pl->ob->{_link_pos}) {
1552
1553	$pl->ob->enter_link;
1554	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn
1557	$pl->ob->reply (undef,
1558	"There was an internal problem at your last logout, "
1559	. "the server will try to bring you to your intended destination in a second.",
1560	cf::NDI_RED);
1561	Coro::Timer::sleep 1;
1562	$pl->ob->leave_link;
1563	})->prio (2);
1564	}
1565	},
1566	);
1567
1568	=item $player_object->goto ($path, $x, $y)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1569		2199
		2200	Moves the player to the given map-path and coordinates by first freezing
		2201	her, loading and preparing them map, calling the provided $check callback
		2202	that has to return the map if sucecssful, and then unfreezes the player on
		2203	the new (success) or old (failed) map position.
		2204
1570	=cut	2205	=cut
		2206
		2207	our $GOTOGEN;
1571		2208
1572	sub cf::object::player::goto {	2209	sub cf::object::player::goto {
1573	my ($self, $path, $x, $y) = @_;	2210	my ($self, $path, $x, $y, $check) = @_;
		2211
		2212	# do generation counting so two concurrent goto's will be executed in-order
		2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1574		2214
1575	$self->enter_link;	2215	$self->enter_link;
1576		2216
1577	(async {	2217	(async {
1578	$path = new cf::path $path;	2218	my $map = eval {
1579
1580	my $map = cf::map::find $path->as_string;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1581	$map = $map->customise_for ($self) if $map;	2222	$map = $map->customise_for ($self);
1582		2223	$map = $check->($map) if $check && $map;
1583	# warn "entering ", $map->path, " at ($x, $y)\n"	2224	} else {
1584	# if $map;
1585
1586	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2226	}
1587		2227
		2228	$map
		2229	};
		2230
		2231	if ($@) {
		2232	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2233	LOG llevError | logBacktrace, Carp::longmess $@;
		2234	}
		2235
		2236	if ($gen == $self->{_goto_generation}) {
		2237	delete $self->{_goto_generation};
1588	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1589	})->prio (1);	2240	})->prio (1);
1590	}	2241	}
1591		2242
1592	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1593		2244
…		…
1595		2246
1596	sub parse_random_map_params {	2247	sub parse_random_map_params {
1597	my ($spec) = @_;	2248	my ($spec) = @_;
1598		2249
1599	my $rmp = { # defaults	2250	my $rmp = { # defaults
1600	xsize => 10,	2251	xsize => (cf::rndm 15, 40),
1601	ysize => 10,	2252	ysize => (cf::rndm 15, 40),
		2253	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2254	#layout => string,
1602	};	2255	};
1603		2256
1604	for (split /\n/, $spec) {	2257	for (split /\n/, $spec) {
1605	my ($k, $v) = split /\s+/, $_, 2;	2258	my ($k, $v) = split /\s+/, $_, 2;
1606		2259
…		…
1610	$rmp	2263	$rmp
1611	}	2264	}
1612		2265
1613	sub prepare_random_map {	2266	sub prepare_random_map {
1614	my ($exit) = @_;	2267	my ($exit) = @_;
		2268
		2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
1615		2270
1616	# all this does is basically replace the /! path by	2271	# all this does is basically replace the /! path by
1617	# a new random map path (?random/...) with a seed	2272	# a new random map path (?random/...) with a seed
1618	# that depends on the exit object	2273	# that depends on the exit object
1619		2274
1620	my $rmp = parse_random_map_params $exit->msg;	2275	my $rmp = parse_random_map_params $exit->msg;
1621		2276
1622	if ($exit->map) {	2277	if ($exit->map) {
1623	$rmp->{region} = $exit->map->region_name;	2278	$rmp->{region} = $exit->region->name;
1624	$rmp->{origin_map} = $exit->map->path;	2279	$rmp->{origin_map} = $exit->map->path;
1625	$rmp->{origin_x} = $exit->x;	2280	$rmp->{origin_x} = $exit->x;
1626	$rmp->{origin_y} = $exit->y;	2281	$rmp->{origin_y} = $exit->y;
1627	}	2282	}
1628		2283
1629	$rmp->{random_seed} ||= $exit->random_seed;	2284	$rmp->{random_seed} ||= $exit->random_seed;
1630		2285
1631	my $data = cf::to_json $rmp;	2286	my $data = cf::to_json $rmp;
1632	my $md5 = Digest::MD5::md5_hex $data;	2287	my $md5 = Digest::MD5::md5_hex $data;
		2288	my $meta = "$RANDOMDIR/$md5.meta";
1633		2289
1634	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1635	aio_write $fh, 0, (length $data), $data, 0;	2291	aio_write $fh, 0, (length $data), $data, 0;
		2292	undef $fh;
		2293	aio_rename "$meta~", $meta;
1636		2294
1637	$exit->slaying ("?random/$md5");	2295	$exit->slaying ("?random/$md5");
1638	$exit->msg (undef);	2296	$exit->msg (undef);
1639	}	2297	}
1640	}	2298	}
1641		2299
1642	sub cf::object::player::enter_exit {	2300	sub cf::object::player::enter_exit {
1643	my ($self, $exit) = @_;	2301	my ($self, $exit) = @_;
1644		2302
1645	return unless $self->type == cf::PLAYER;	2303	return unless $self->type == cf::PLAYER;
		2304
		2305	if ($exit->slaying eq "/!") {
		2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2307	# the problem is that $exit might not survive long enough
		2308	# so it needs to be done right now, right here
		2309	cf::sync_job { prepare_random_map $exit };
		2310	}
		2311
		2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2313	my $hp = $exit->stats->hp;
		2314	my $sp = $exit->stats->sp;
1646		2315
1647	$self->enter_link;	2316	$self->enter_link;
1648		2317
1649	(async {	2318	(async {
1650	$self->deactivate_recursive; # just to be sure	2319	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	2320	unless (eval {
1652	prepare_random_map $exit	2321	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1657		2322
1658	1;	2323	1;
1659	}) {	2324	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	2325	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "I'll try to bring you back to the map you were before. "	2326	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	2327	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	2328	cf::NDI_UNIQUE | cf::NDI_RED);
1664		2329
1665	warn "ERROR in enter_exit: $@";	2330	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	2331	$self->leave_link;
1667	}	2332	}
1668	})->prio (1);	2333	})->prio (1);
…		…
1681		2346
1682	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
1683	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
1684		2349
1685	utf8::encode $text;	2350	utf8::encode $text;
1686	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1687	}	2352	}
1688		2353
		2354	=item $client->send_msg ($color, $type, $msg, [extra...])
		2355
		2356	Send a drawinfo or msg packet to the client, formatting the msg for the
		2357	client if neccessary. C<$type> should be a string identifying the type of
		2358	the message, with C<log> being the default. If C<$color> is negative, suppress
		2359	the message unless the client supports the msg packet.
		2360
		2361	=cut
		2362
		2363	sub cf::client::send_msg {
		2364	my ($self, $color, $type, $msg, @extra) = @_;
		2365
		2366	$msg = $self->pl->expand_cfpod ($msg);
		2367
		2368	if ($self->can_msg) {
		2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2370	} else {
		2371	# replace some tags by gcfclient-compatible ones
		2372	for ($msg) {
		2373	1 while
		2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2379	}
		2380
		2381	if ($color >= 0) {
		2382	if (0 && $msg =~ /\[/) {
		2383	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2384	} else {
		2385	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2386	$self->send_packet ("drawinfo $color $msg")
		2387	}
		2388	}
		2389	}
		2390	}
		2391
		2392	=item $client->ext_event ($type, %msg)
		2393
		2394	Sends an exti event to the client.
		2395
		2396	=cut
		2397
		2398	sub cf::client::ext_event($$%) {
		2399	my ($self, $type, %msg) = @_;
		2400
		2401	$msg{msgtype} = "event_$type";
		2402	$self->send_packet ("ext " . cf::to_json \%msg);
		2403	}
1689		2404
1690	=item $success = $client->query ($flags, "text", \&cb)	2405	=item $success = $client->query ($flags, "text", \&cb)
1691		2406
1692	Queues a query to the client, calling the given callback with	2407	Queues a query to the client, calling the given callback with
1693	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2408	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1722	# get handled first	2437	# get handled first
1723	my $queue = delete $ns->{query_queue}	2438	my $queue = delete $ns->{query_queue}
1724	or return; # be conservative, not sure how that can happen, but we saw a crash here	2439	or return; # be conservative, not sure how that can happen, but we saw a crash here
1725		2440
1726	(shift @$queue)->[1]->($msg);	2441	(shift @$queue)->[1]->($msg);
		2442	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2443
1728	push @{ $ns->{query_queue} }, @$queue;	2444	push @{ $ns->{query_queue} }, @$queue;
1729		2445
1730	if (@{ $ns->{query_queue} } == @$queue) {	2446	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2447	if (@$queue) {
…		…
1789		2505
1790	# here we export the classes and methods available to script code	2506	# here we export the classes and methods available to script code
1791		2507
1792	=pod	2508	=pod
1793		2509
1794	The following fucntions and emthods are available within a safe environment:	2510	The following functions and methods are available within a safe environment:
1795		2511
1796	cf::object contr pay_amount pay_player map	2512	cf::object contr pay_amount pay_player map
1797	cf::object::player player	2513	cf::object::player player
1798	cf::player peaceful	2514	cf::player peaceful
1799	cf::map trigger	2515	cf::map trigger
…		…
1880	=back	2596	=back
1881		2597
1882	=cut	2598	=cut
1883		2599
1884	#############################################################################	2600	#############################################################################
		2601	# the server's init and main functions
1885		2602
1886	=head2 EXTENSION DATABASE SUPPORT	2603	sub load_facedata($) {
		2604	my ($path) = @_;
1887		2605
1888	Crossfire maintains a very simple database for extension use. It can	2606	warn "loading facedata from $path\n";
1889	currently store anything that can be serialised using Storable, which
1890	excludes objects.
1891		2607
1892	The parameter C<$family> should best start with the name of the extension	2608	my $facedata;
1893	using it, it should be unique.	2609	0 < aio_load $path, $facedata
		2610	or die "$path: $!";
1894		2611
1895	=over 4	2612	$facedata = Coro::Storable::thaw $facedata;
1896		2613
1897	=item $hashref = cf::db_get $family	2614	$facedata->{version} == 2
		2615	or cf::cleanup "$path: version mismatch, cannot proceed.";
1898		2616
1899	Return a hashref for use by the extension C<$family>, which can be
1900	modified. After modifications, you have to call C<cf::db_dirty> or
1901	C<cf::db_sync>.
1902
1903	=item $value = cf::db_get $family => $key
1904
1905	Returns a single value from the database
1906
1907	=item cf::db_put $family => $hashref
1908
1909	Stores the given family hashref into the database. Updates are delayed, if
1910	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1911
1912	=item cf::db_put $family => $key => $value
1913
1914	Stores the given C<$value> in the family hash. Updates are delayed, if you
1915	want the data to be synced to disk immediately, use C<cf::db_sync>.
1916
1917	=item cf::db_dirty
1918
1919	Marks the database as dirty, to be updated at a later time.
1920
1921	=item cf::db_sync
1922
1923	Immediately write the database to disk I<if it is dirty>.
1924
1925	=cut
1926
1927	our $DB;
1928
1929	{
1930	my $path = cf::localdir . "/database.pst";
1931
1932	sub db_load() {
1933	$DB = stat $path ? Storable::retrieve $path : { };
1934	}	2617	{
		2618	my $faces = $facedata->{faceinfo};
1935		2619
1936	my $pid;	2620	while (my ($face, $info) = each %$faces) {
1937		2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1938	sub db_save() {	2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
1939	waitpid $pid, 0 if $pid;	2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
1940	if (0 == ($pid = fork)) {	2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
1941	$DB->{_meta}{version} = 1;	2625	Coro::cede;
1942	Storable::nstore $DB, "$path~";
1943	rename "$path~", $path;
1944	cf::_exit 0 if defined $pid;
1945	}
1946	}
1947
1948	my $dirty;
1949
1950	sub db_sync() {
1951	db_save if $dirty;
1952	undef $dirty;
1953	}
1954
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1956	db_sync;
1957	});
1958
1959	sub db_dirty() {
1960	$dirty = 1;
1961	$idle->start;
1962	}
1963
1964	sub db_get($;$) {
1965	@_ >= 2
1966	? $DB->{$_[0]}{$_[1]}
1967	: ($DB->{$_[0]} ||= { })
1968	}
1969
1970	sub db_put($$;$) {
1971	if (@_ >= 3) {
1972	$DB->{$_[0]}{$_[1]} = $_[2];
1973	} else {
1974	$DB->{$_[0]} = $_[1];
1975	}
1976	db_dirty;
1977	}
1978
1979	cf::global->attach (
1980	prio => 10000,
1981	on_cleanup => sub {
1982	db_sync;
1983	},	2626	}
1984	);
1985	}
1986		2627
1987	#############################################################################	2628	while (my ($face, $info) = each %$faces) {
1988	# the server's main()	2629	next unless $info->{smooth};
		2630	my $idx = cf::face::find $face
		2631	or next;
		2632	if (my $smooth = cf::face::find $info->{smooth}) {
		2633	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2634	} else {
		2635	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2636	}
		2637	Coro::cede;
		2638	}
		2639	}
		2640
		2641	{
		2642	my $anims = $facedata->{animinfo};
		2643
		2644	while (my ($anim, $info) = each %$anims) {
		2645	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2646	Coro::cede;
		2647	}
		2648
		2649	cf::anim::invalidate_all; # d'oh
		2650	}
		2651
		2652	1
		2653	}
		2654
		2655	sub reload_regions {
		2656	load_resource_file "$MAPDIR/regions"
		2657	or die "unable to load regions file\n";
		2658	}
		2659
		2660	sub reload_facedata {
		2661	load_facedata "$DATADIR/facedata"
		2662	or die "unable to load facedata\n";
		2663	}
		2664
		2665	sub reload_archetypes {
		2666	load_resource_file "$DATADIR/archetypes"
		2667	or die "unable to load archetypes\n";
		2668	}
		2669
		2670	sub reload_treasures {
		2671	load_resource_file "$DATADIR/treasures"
		2672	or die "unable to load treasurelists\n";
		2673	}
		2674
		2675	sub reload_resources {
		2676	warn "reloading resource files...\n";
		2677
		2678	reload_regions;
		2679	reload_facedata;
		2680	#reload_archetypes;#d#
		2681	reload_archetypes;
		2682	reload_treasures;
		2683
		2684	warn "finished reloading resource files\n";
		2685	}
		2686
		2687	sub init {
		2688	reload_resources;
		2689	}
1989		2690
1990	sub cfg_load {	2691	sub cfg_load {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	2692	open my $fh, "<:utf8", "$CONFDIR/config"
1992	or return;	2693	or return;
1993		2694
1994	local $/;	2695	local $/;
1995	*CFG = YAML::Syck::Load <$fh>;	2696	*CFG = YAML::Syck::Load <$fh>;
1996		2697
…		…
1999	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2700	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2000	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2701	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2001		2702
2002	if (exists $CFG{mlockall}) {	2703	if (exists $CFG{mlockall}) {
2003	eval {	2704	eval {
2004	$CFG{mlockall} ? &mlockall : &munlockall	2705	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005	and die "WARNING: m(un)lockall failed: $!\n";	2706	and die "WARNING: m(un)lockall failed: $!\n";
2006	};	2707	};
2007	warn $@ if $@;	2708	warn $@ if $@;
2008	}	2709	}
2009	}	2710	}
2010		2711
2011	sub main {	2712	sub main {
2012	# we must not ever block the main coroutine	2713	# we must not ever block the main coroutine
2013	local $Coro::idle = sub {	2714	local $Coro::idle = sub {
2014	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2715	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2716	(async {
2015	async { Event::one_event };	2717	Event::one_event;
		2718	})->prio (Coro::PRIO_MAX);
2016	};	2719	};
2017		2720
2018	cfg_load;	2721	cfg_load;
2019	db_load;	2722	db_init;
2020	load_extensions;	2723	load_extensions;
		2724
		2725	$TICK_WATCHER->start;
2021	Event::loop;	2726	Event::loop;
2022	}	2727	}
2023		2728
2024	#############################################################################	2729	#############################################################################
2025	# initialisation	2730	# initialisation and cleanup
2026		2731
		2732	# install some emergency cleanup handlers
		2733	BEGIN {
		2734	for my $signal (qw(INT HUP TERM)) {
		2735	Event->signal (
		2736	reentrant => 0,
		2737	data => WF_AUTOCANCEL,
		2738	signal => $signal,
		2739	prio => 0,
		2740	cb => sub {
		2741	cf::cleanup "SIG$signal";
		2742	},
		2743	);
		2744	}
		2745	}
		2746
		2747	sub write_runtime {
		2748	my $runtime = "$LOCALDIR/runtime";
		2749
		2750	# first touch the runtime file to show we are still running:
		2751	# the fsync below can take a very very long time.
		2752
		2753	IO::AIO::aio_utime $runtime, undef, undef;
		2754
		2755	my $guard = cf::lock_acquire "write_runtime";
		2756
		2757	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2758	or return;
		2759
		2760	my $value = $cf::RUNTIME + 90 + 10;
		2761	# 10 is the runtime save interval, for a monotonic clock
		2762	# 60 allows for the watchdog to kill the server.
		2763
		2764	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2765	and return;
		2766
		2767	# always fsync - this file is important
		2768	aio_fsync $fh
		2769	and return;
		2770
		2771	# touch it again to show we are up-to-date
		2772	aio_utime $fh, undef, undef;
		2773
		2774	close $fh
		2775	or return;
		2776
		2777	aio_rename "$runtime~", $runtime
		2778	and return;
		2779
		2780	warn "runtime file written.\n";
		2781
		2782	1
		2783	}
		2784
		2785	sub emergency_save() {
		2786	my $freeze_guard = cf::freeze_mainloop;
		2787
		2788	warn "enter emergency perl save\n";
		2789
		2790	cf::sync_job {
		2791	# use a peculiar iteration method to avoid tripping on perl
		2792	# refcount bugs in for. also avoids problems with players
		2793	# and maps saved/destroyed asynchronously.
		2794	warn "begin emergency player save\n";
		2795	for my $login (keys %cf::PLAYER) {
		2796	my $pl = $cf::PLAYER{$login} or next;
		2797	$pl->valid or next;
		2798	$pl->save;
		2799	}
		2800	warn "end emergency player save\n";
		2801
		2802	warn "begin emergency map save\n";
		2803	for my $path (keys %cf::MAP) {
		2804	my $map = $cf::MAP{$path} or next;
		2805	$map->valid or next;
		2806	$map->save;
		2807	}
		2808	warn "end emergency map save\n";
		2809
		2810	warn "begin emergency database checkpoint\n";
		2811	BDB::db_env_txn_checkpoint $DB_ENV;
		2812	warn "end emergency database checkpoint\n";
		2813	};
		2814
		2815	warn "leave emergency perl save\n";
		2816	}
		2817
		2818	sub post_cleanup {
		2819	my ($make_core) = @_;
		2820
		2821	warn Carp::longmess "post_cleanup backtrace"
		2822	if $make_core;
		2823	}
		2824
2027	sub reload() {	2825	sub do_reload_perl() {
2028	# can/must only be called in main	2826	# can/must only be called in main
2029	if ($Coro::current != $Coro::main) {	2827	if ($Coro::current != $Coro::main) {
2030	warn "can only reload from main coroutine\n";	2828	warn "can only reload from main coroutine";
2031	return;	2829	return;
2032	}	2830	}
2033		2831
2034	warn "reloading...";	2832	warn "reloading...";
2035		2833
2036	my $guard = freeze_mainloop;	2834	warn "entering sync_job";
		2835
		2836	cf::sync_job {
		2837	cf::write_runtime; # external watchdog should not bark
2037	cf::emergency_save;	2838	cf::emergency_save;
		2839	cf::write_runtime; # external watchdog should not bark
2038		2840
2039	eval {	2841	warn "syncing database to disk";
		2842	BDB::db_env_txn_checkpoint $DB_ENV;
		2843
2040	# if anything goes wrong in here, we should simply crash as we already saved	2844	# if anything goes wrong in here, we should simply crash as we already saved
2041		2845
2042	# cancel all watchers	2846	warn "cancelling all WF_AUTOCANCEL watchers";
2043	for (Event::all_watchers) {	2847	for (Event::all_watchers) {
2044	$_->cancel if $_->data & WF_AUTOCANCEL;	2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2045	}	2849	}
2046		2850
		2851	warn "flushing outstanding aio requests";
		2852	for (;;) {
		2853	BDB::flush;
		2854	IO::AIO::flush;
		2855	Coro::cede;
		2856	last unless IO::AIO::nreqs || BDB::nreqs;
		2857	warn "iterate...";
		2858	}
		2859
		2860	++$RELOAD;
		2861
2047	# cancel all extension coros	2862	warn "cancelling all extension coros";
2048	$_->cancel for values %EXT_CORO;	2863	$_->cancel for values %EXT_CORO;
2049	%EXT_CORO = ();	2864	%EXT_CORO = ();
2050		2865
2051	# unload all extensions	2866	warn "removing commands";
2052	for (@exts) {	2867	%COMMAND = ();
		2868
		2869	warn "removing ext commands";
		2870	%EXTCMD = ();
		2871
		2872	warn "unloading/nuking all extensions";
		2873	for my $pkg (@EXTS) {
2053	warn "unloading <$_>";	2874	warn "... unloading $pkg";
2054	unload_extension $_;	2875
		2876	if (my $cb = $pkg->can ("unload")) {
		2877	eval {
		2878	$cb->($pkg);
		2879	1
		2880	} or warn "$pkg unloaded, but with errors: $@";
2055	}	2881	}
2056		2882
		2883	warn "... nuking $pkg";
		2884	Symbol::delete_package $pkg;
		2885	}
		2886
2057	# unload all modules loaded from $LIBDIR	2887	warn "unloading all perl modules loaded from $LIBDIR";
2058	while (my ($k, $v) = each %INC) {	2888	while (my ($k, $v) = each %INC) {
2059	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060		2890
2061	warn "removing <$k>";	2891	warn "... unloading $k";
2062	delete $INC{$k};	2892	delete $INC{$k};
2063		2893
2064	$k =~ s/\.pm$//;	2894	$k =~ s/\.pm$//;
2065	$k =~ s/\//::/g;	2895	$k =~ s/\//::/g;
2066		2896
…		…
2069	}	2899	}
2070		2900
2071	Symbol::delete_package $k;	2901	Symbol::delete_package $k;
2072	}	2902	}
2073		2903
2074	# sync database to disk
2075	cf::db_sync;
2076	IO::AIO::flush;
2077
2078	# get rid of safe::, as good as possible	2904	warn "getting rid of safe::, as good as possible";
2079	Symbol::delete_package "safe::$_"	2905	Symbol::delete_package "safe::$_"
2080	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2081		2907
2082	# remove register_script_function callbacks
2083	# TODO
2084
2085	# unload cf.pm "a bit"	2908	warn "unloading cf.pm \"a bit\"";
2086	delete $INC{"cf.pm"};	2909	delete $INC{"cf.pm"};
		2910	delete $INC{"cf/pod.pm"};
2087		2911
2088	# don't, removes xs symbols, too,	2912	# don't, removes xs symbols, too,
2089	# and global variables created in xs	2913	# and global variables created in xs
2090	#Symbol::delete_package __PACKAGE__;	2914	#Symbol::delete_package __PACKAGE__;
2091		2915
2092	# reload cf.pm	2916	warn "unload completed, starting to reload now";
		2917
2093	warn "reloading cf.pm";	2918	warn "reloading cf.pm";
2094	require cf;	2919	require cf;
2095	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2096		2921
2097	# load config and database again	2922	warn "loading config and database again";
2098	cf::cfg_load;	2923	cf::cfg_load;
2099	cf::db_load;
2100		2924
2101	# load extensions
2102	warn "load extensions";	2925	warn "loading extensions";
2103	cf::load_extensions;	2926	cf::load_extensions;
2104		2927
2105	# reattach attachments to objects	2928	warn "reattaching attachments to objects/players";
2106	warn "reattach";	2929	_global_reattach; # objects, sockets
2107	_global_reattach;	2930	warn "reattaching attachments to maps";
2108	};	2931	reattach $_ for values %MAP;
		2932	warn "reattaching attachments to players";
		2933	reattach $_ for values %PLAYER;
2109		2934
2110	if ($@) {	2935	warn "leaving sync_job";
		2936
		2937	1
		2938	} or do {
2111	warn $@;	2939	warn $@;
2112	warn "error while reloading, exiting.";	2940	warn "error while reloading, exiting.";
2113	exit 1;	2941	exit 1;
2114	}	2942	};
2115		2943
2116	warn "reloaded successfully";	2944	warn "reloaded";
2117	};	2945	};
2118		2946
2119	#############################################################################	2947	our $RELOAD_WATCHER; # used only during reload
2120		2948
2121	unless ($LINK_MAP) {	2949	sub reload_perl() {
2122	$LINK_MAP = cf::map::new;	2950	# doing reload synchronously and two reloads happen back-to-back,
		2951	# coro crashes during coro_state_free->destroy here.
2123		2952
2124	$LINK_MAP->width (41);	2953	$RELOAD_WATCHER ||= Event->timer (
2125	$LINK_MAP->height (41);	2954	reentrant => 0,
2126	$LINK_MAP->alloc;
2127	$LINK_MAP->path ("{link}");
2128	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2129	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2130
2131	# dirty hack because... archetypes are not yet loaded
2132	Event->timer (
2133	after => 2,	2955	after => 0,
		2956	data => WF_AUTOCANCEL,
2134	cb => sub {	2957	cb => sub {
2135	$_[0]->w->cancel;	2958	do_reload_perl;
2136		2959	undef $RELOAD_WATCHER;
2137	# provide some exits "home"
2138	my $exit = cf::object::new "exit";
2139
2140	$exit->slaying ($EMERGENCY_POSITION->[0]);
2141	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2142	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2143
2144	$LINK_MAP->insert ($exit->clone, 19, 19);
2145	$LINK_MAP->insert ($exit->clone, 19, 20);
2146	$LINK_MAP->insert ($exit->clone, 19, 21);
2147	$LINK_MAP->insert ($exit->clone, 20, 19);
2148	$LINK_MAP->insert ($exit->clone, 20, 21);
2149	$LINK_MAP->insert ($exit->clone, 21, 19);
2150	$LINK_MAP->insert ($exit->clone, 21, 20);
2151	$LINK_MAP->insert ($exit->clone, 21, 21);
2152
2153	$exit->destroy;
2154	});	2960	},
2155		2961	);
2156	$LINK_MAP->{deny_save} = 1;
2157	$LINK_MAP->{deny_reset} = 1;
2158
2159	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2160	}	2962	}
2161
2162	register "<global>", __PACKAGE__;
2163		2963
2164	register_command "reload" => sub {	2964	register_command "reload" => sub {
2165	my ($who, $arg) = @_;	2965	my ($who, $arg) = @_;
2166		2966
2167	if ($who->flag (FLAG_WIZ)) {	2967	if ($who->flag (FLAG_WIZ)) {
2168	$who->message ("start of reload.");
2169	reload;
2170	$who->message ("end of reload.");	2968	$who->message ("reloading server.");
		2969	async { reload_perl };
2171	}	2970	}
2172	};	2971	};
2173		2972
2174	unshift @INC, $LIBDIR;	2973	unshift @INC, $LIBDIR;
2175		2974
		2975	my $bug_warning = 0;
		2976
		2977	our @WAIT_FOR_TICK;
		2978	our @WAIT_FOR_TICK_BEGIN;
		2979
		2980	sub wait_for_tick {
		2981	return unless $TICK_WATCHER->is_active;
		2982	return if $Coro::current == $Coro::main;
		2983
		2984	my $signal = new Coro::Signal;
		2985	push @WAIT_FOR_TICK, $signal;
		2986	$signal->wait;
		2987	}
		2988
		2989	sub wait_for_tick_begin {
		2990	return unless $TICK_WATCHER->is_active;
		2991	return if $Coro::current == $Coro::main;
		2992
		2993	my $signal = new Coro::Signal;
		2994	push @WAIT_FOR_TICK_BEGIN, $signal;
		2995	$signal->wait;
		2996	}
		2997
		2998	my $min = 1e6;#d#
		2999	my $avg = 10;
2176	$TICK_WATCHER = Event->timer (	3000	$TICK_WATCHER = Event->timer (
2177	reentrant => 0,	3001	reentrant => 0,
		3002	parked => 1,
2178	prio => 0,	3003	prio => 0,
2179	at => $NEXT_TICK || $TICK,	3004	at => $NEXT_TICK || $TICK,
2180	data => WF_AUTOCANCEL,	3005	data => WF_AUTOCANCEL,
2181	cb => sub {	3006	cb => sub {
		3007	if ($Coro::current != $Coro::main) {
		3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3009	unless ++$bug_warning > 10;
		3010	return;
		3011	}
		3012
		3013	$NOW = $tick_start = Event::time;
		3014
2182	cf::server_tick; # one server iteration	3015	cf::server_tick; # one server iteration
		3016
		3017	0 && sync_job {#d#
		3018	for(1..10) {
		3019	my $t = Event::time;
		3020	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3021	or die;
		3022
		3023	$map->width (50);
		3024	$map->height (50);
		3025	$map->alloc;
		3026	$map->_load_objects ("/tmp/x.map", 1);
		3027	my $t = Event::time - $t;
		3028
		3029	#next unless $t < 0.0013;#d#
		3030	if ($t < $min) {
		3031	$min = $t;
		3032	}
		3033	$avg = $avg * 0.99 + $t * 0.01;
		3034	}
		3035	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3036	exit 0;
		3037	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3038	};
		3039
2183	$RUNTIME += $TICK;	3040	$RUNTIME += $TICK;
2184	$NEXT_TICK += $TICK;	3041	$NEXT_TICK += $TICK;
2185		3042
		3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3045	Coro::async_pool {
		3046	write_runtime
		3047	or warn "ERROR: unable to write runtime file: $!";
		3048	};
		3049	}
		3050
		3051	# my $AFTER = Event::time;
		3052	# warn $AFTER - $NOW;#d#
		3053
		3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3055	$sig->send;
		3056	}
		3057	while (my $sig = shift @WAIT_FOR_TICK) {
		3058	$sig->send;
		3059	}
		3060
		3061	$NOW = Event::time;
		3062
2186	# if we are delayed by four ticks or more, skip them all	3063	# if we are delayed by four ticks or more, skip them all
2187	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2188		3065
2189	$TICK_WATCHER->at ($NEXT_TICK);	3066	$TICK_WATCHER->at ($NEXT_TICK);
2190	$TICK_WATCHER->start;	3067	$TICK_WATCHER->start;
		3068
		3069	$LOAD = ($NOW - $tick_start) / $TICK;
		3070	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3071
		3072	_post_tick;
		3073
		3074
2191	},	3075	},
2192	);	3076	);
2193		3077
		3078	{
2194	IO::AIO::max_poll_time $TICK * 0.2;	3079	BDB::max_poll_time $TICK * 0.1;
2195		3080	$BDB_POLL_WATCHER = Event->io (
2196	Event->io (	3081	reentrant => 0,
2197	fd => IO::AIO::poll_fileno,	3082	fd => BDB::poll_fileno,
2198	poll => 'r',	3083	poll => 'r',
2199	prio => 5,	3084	prio => 0,
2200	data => WF_AUTOCANCEL,
2201	cb => \&IO::AIO::poll_cb,
2202	);
2203
2204	Event->timer (
2205	data => WF_AUTOCANCEL,	3085	data => WF_AUTOCANCEL,
2206	after => 0,	3086	cb => \&BDB::poll_cb,
2207	interval => 10,	3087	);
2208	cb => sub {	3088	BDB::min_parallel 8;
2209	(Coro::unblock_sub {	3089
2210	write_runtime	3090	BDB::set_sync_prepare {
2211	or warn "ERROR: unable to write runtime file: $!";	3091	my $status;
		3092	my $current = $Coro::current;
		3093	(
		3094	sub {
		3095	$status = $!;
		3096	$current->ready; undef $current;
		3097	},
		3098	sub {
		3099	Coro::schedule while defined $current;
		3100	$! = $status;
		3101	},
		3102	)
		3103	};
		3104
		3105	unless ($DB_ENV) {
		3106	$DB_ENV = BDB::db_env_create;
		3107
		3108	cf::sync_job {
		3109	eval {
		3110	BDB::db_env_open
		3111	$DB_ENV,
		3112	$BDBDIR,
		3113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3115	0666;
		3116
		3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3118
		3119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3120	$DB_ENV->set_lk_detect;
		3121	};
		3122
		3123	cf::cleanup "db_env_open(db): $@" if $@;
2212	})->();	3124	};
2213	},	3125	}
2214	);	3126	}
		3127
		3128	{
		3129	IO::AIO::min_parallel 8;
		3130
		3131	undef $Coro::AIO::WATCHER;
		3132	IO::AIO::max_poll_time $TICK * 0.1;
		3133	$AIO_POLL_WATCHER = Event->io (
		3134	reentrant => 0,
		3135	data => WF_AUTOCANCEL,
		3136	fd => IO::AIO::poll_fileno,
		3137	poll => 'r',
		3138	prio => 6,
		3139	cb => \&IO::AIO::poll_cb,
		3140	);
		3141	}
		3142
		3143	my $_log_backtrace;
		3144
		3145	sub _log_backtrace {
		3146	my ($msg, @addr) = @_;
		3147
		3148	$msg =~ s/\n//;
		3149
		3150	# limit the # of concurrent backtraces
		3151	if ($_log_backtrace < 2) {
		3152	++$_log_backtrace;
		3153	async {
		3154	my @bt = fork_call {
		3155	@addr = map { sprintf "%x", $_ } @addr;
		3156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3158	or die "addr2line: $!";
		3159
		3160	my @funcs;
		3161	my @res = <$fh>;
		3162	chomp for @res;
		3163	while (@res) {
		3164	my ($func, $line) = splice @res, 0, 2, ();
		3165	push @funcs, "[$func] $line";
		3166	}
		3167
		3168	@funcs
		3169	};
		3170
		3171	LOG llevInfo, "[ABT] $msg\n";
		3172	LOG llevInfo, "[ABT] $_\n" for @bt;
		3173	--$_log_backtrace;
		3174	};
		3175	} else {
		3176	LOG llevInfo, "[ABT] $msg\n";
		3177	LOG llevInfo, "[ABT] [suppressed]\n";
		3178	}
		3179	}
		3180
		3181	# load additional modules
		3182	use cf::pod;
2215		3183
2216	END { cf::emergency_save }	3184	END { cf::emergency_save }
2217		3185
2218	1	3186	1
2219		3187

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