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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.153 by root, Mon Jan 8 23:36:16 2007 UTC vs.
Revision 1.284 by root, Sun Jun 24 04:15:42 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;
		29	use YAML::Syck ();
22	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
23	use YAML::Syck ();
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
52	our %PLAYER; # all users	88	our %PLAYER; # all users
53	our %MAP; # all maps	89	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	91
56	our %EXT_CORO; # coroutines bound to extensions	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 $tick_start; # for load detecting purposes
57		98
58	binmode STDOUT;	99	binmode STDOUT;
59	binmode STDERR;	100	binmode STDERR;
60		101
61	# read virtual server time, if available	102	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
66	}	107	}
67		108
68	mkdir cf::localdir;	109	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		111
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
77		115
78	#############################################################################	116	#############################################################################
79		117
80	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
81		119
…		…
88	=item $cf::RUNTIME	126	=item $cf::RUNTIME
89		127
90	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
91	every server tick.	129	every server tick.
92		130
93	=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
94		134
95	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
96	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.
97		139
98	=item $cf::NOW	140	=item $cf::NOW
99		141
100	The time of the last (current) server tick.	142	The time of the last (current) server tick.
101		143
102	=item $cf::TICK	144	=item $cf::TICK
103		145
104	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.
105		157
106	=item %cf::CFG	158	=item %cf::CFG
107		159
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		168
111	=back	169	=back
112		170
113	=cut	171	=cut
114		172
115	BEGIN {	173	BEGIN {
116	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	175	my $msg = join "", @_;
118	utf8::encode $msg;
119		176
120	$msg .= "\n"	177	$msg .= "\n"
121	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
122		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
123	LOG llevError, $msg;	183	LOG llevError, $msg;
124	};	184	};
125	}	185	}
126		186
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@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';
132	@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)
133		194
134	# 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
135	# within the Safe compartment.	196	# within the Safe compartment.
136	for my $pkg (qw(	197	for my $pkg (qw(
137	cf::global cf::attachable	198	cf::global cf::attachable
…		…
146		207
147	$Event::DIED = sub {	208	$Event::DIED = sub {
148	warn "error in event callback: @_";	209	warn "error in event callback: @_";
149	};	210	};
150		211
151	my %ext_pkg;	212	#############################################################################
152	my @exts;
153	my @hook;
154		213
155	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
156		215
157	=over 4	216	=over 4
158		217
159	=cut	218	=item dumpval $ref
160		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
161	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
162		242
163	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
164		244
165	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
166		246
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
175		248
176	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
177
178	=cut
179
180	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]
183	}
184		250
185	=item cf::lock_wait $string	251	=item cf::lock_wait $string
186		252
187	Wait until the given lock is available. See cf::lock_acquire.	253	Wait until the given lock is available. See cf::lock_acquire.
188		254
…		…
194	returned.	260	returned.
195		261
196	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
197	uses map_find and cf::map::load uses map_load).	263	uses map_find and cf::map::load uses map_load).
198		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
		268
199	=cut	269	=cut
200		270
201	our %LOCK;	271	our %LOCK;
202		272
203	sub lock_wait($) {	273	sub lock_wait($) {
…		…
222	# wake up all waiters, to be on the safe side	292	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };	293	$_->ready for @{ delete $LOCK{$key} };
224	}	294	}
225	}	295	}
226		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
		301	}
		302
227	sub freeze_mainloop {	303	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	304	return unless $TICK_WATCHER->is_active;
229		305
230	my $guard = Coro::guard { $TICK_WATCHER->start };	306	my $guard = Coro::guard {
		307	$TICK_WATCHER->start;
		308	};
231	$TICK_WATCHER->stop;	309	$TICK_WATCHER->stop;
232	$guard	310	$guard
233	}	311	}
234		312
235	=item cf::async { BLOCK }	313	=item cf::async { BLOCK }
…		…
242		320
243	BEGIN { *async = \&Coro::async_pool }	321	BEGIN { *async = \&Coro::async_pool }
244		322
245	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
246		324
247	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
250		329
251	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
254	fast or be very important.	333	fast or be very important.
…		…
257		336
258	sub sync_job(&) {	337	sub sync_job(&) {
259	my ($job) = @_;	338	my ($job) = @_;
260		339
261	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
262	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
264		345
265	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
266	# (but this is cancel-safe)	347	# (but this is cancel-safe)
…		…
277		358
278	while ($busy) {	359	while ($busy) {
279	Coro::cede or Event::one_event;	360	Coro::cede or Event::one_event;
280	}	361	}
281		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
282	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
283	} else {	371	} else {
284	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
285		373
286	$job->()	374	$job->()
287	}	375	}
288	}	376	}
289		377
290	=item $coro = cf::async_ext { BLOCK }	378	=item $coro = cf::async_ext { BLOCK }
291		379
292	Like async, but this coro is automcatially being canceled when the	380	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	381	extension calling this is being unloaded.
294		382
295	=cut	383	=cut
296		384
297	sub async_ext(&) {	385	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
306		394
307	$coro	395	$coro
308	}	396	}
309		397
310	sub write_runtime {	398	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		399
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	400	Executes the given code block with the given arguments in a seperate
314	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.
315		404
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	405	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		406
320	aio_fsync $fh	407	sub fork_call(&@) {
321	and return;	408	my ($cb, @args) = @_;
322		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) {
323	close $fh	416	close $fh2;
324	or return;
325		417
326	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
327	and return;	419	$res = Coro::Storable::thaw $res;
328		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
329	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		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 });
330	}	567	}
331		568
332	=back	569	=back
333		570
334	=cut	571	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		572
456	#############################################################################	573	#############################################################################
457		574
458	=head2 ATTACHABLE OBJECTS	575	=head2 ATTACHABLE OBJECTS
459		576
…		…
461	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")
462	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
463		580
464	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>
465	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
466	crossfire+).	583	Crossfire TRT).
467		584
468	=over 4	585	=over 4
469		586
470	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
471		588
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	702	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	703	our @CB_MAP = ();
587		704
588	my %attachment;	705	my %attachment;
589		706
		707	sub cf::attachable::thawer_merge {
		708	# simply override everything except _meta
		709	local $_[0]{_meta};
		710	%{$_[0]} = %{$_[1]};
		711	}
		712
590	sub _attach_cb($$$$) {	713	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	714	my ($registry, $event, $prio, $cb) = @_;
592		715
593	use sort 'stable';	716	use sort 'stable';
594		717
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
629		752
630	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		757
635	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	759	my $pkg = shift @arg;
637		760
638	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
668	}	791	}
669		792
670	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
671	} else {	794	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	796	}
674		797
675	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
676	}	799	}
677		800
…		…
679	if (ref $_[0]) {	802	if (ref $_[0]) {
680	_object_attach @_;	803	_object_attach @_;
681	} else {	804	} else {
682	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
683	}	806	}
		807	_recalc_want;
684	};	808	};
685		809
686	# all those should be optimised	810	# all those should be optimised
687	sub cf::attachable::detach {	811	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
692	reattach ($obj);	816	reattach ($obj);
693	} else {	817	} else {
694	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
695	}	819	}
		820	_recalc_want;
696	};	821	};
697		822
698	sub cf::attachable::attached {	823	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
700		825
…		…
765	# object support	890	# object support
766		891
767	sub reattach {	892	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	893	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	894	my ($obj) = @_;
		895
		896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		897
771	my $registry = $obj->registry;	898	my $registry = $obj->registry;
772		899
773	@$registry = ();	900	@$registry = ();
774		901
…		…
821	$filename, length $$rdata, scalar @$objs;	948	$filename, length $$rdata, scalar @$objs;
822		949
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	951	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	953	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	954	close $fh;
828		955
829	if (@$objs) {	956	if (@$objs) {
830	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) {
831	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	959	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	960	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	962	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	963	aio_rename "$filename.pst~", "$filename.pst";
837	}	964	}
838	} else {	965	} else {
839	aio_unlink "$filename.pst";	966	aio_unlink "$filename.pst";
…		…
871	or return;	998	or return;
872	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
873	}	1000	}
874		1001
875	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
877	return ($data, $av);	1004	return ($data, $av);
878	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
879		1012
880	#############################################################################	1013	#############################################################################
881	# command handling &c	1014	# command handling &c
882		1015
883	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1030	}
898		1031
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1033
901	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.
902		1035
903	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
904	called.	1037	called.
905		1038
906	=cut	1039	=cut
907		1040
908	sub register_extcmd {	1041	sub register_extcmd {
909	my ($name, $cb) = @_;	1042	my ($name, $cb) = @_;
910		1043
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1044	$EXTCMD{$name} = $cb;
915	}	1045	}
916		1046
917	cf::player->attach (	1047	cf::player->attach (
918	on_command => sub {	1048	on_command => sub {
919	my ($pl, $name, $params) = @_;	1049	my ($pl, $name, $params) = @_;
…		…
932		1062
933	my $msg = eval { from_json $buf };	1063	my $msg = eval { from_json $buf };
934		1064
935	if (ref $msg) {	1065	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1067	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	1068	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	1069	}
940	}	1070	}
941	} else {	1071	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		1074
945	cf::override;	1075	cf::override;
946	},	1076	},
947	);	1077	);
948		1078
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {
956	my ($path) = @_;
957
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;
960	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}
1024
1025	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
1026	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1084	next unless -r $path;
1028	eval {	1085
1029	load_extension $ext;	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;
1030	1	1143	}
1031	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
1032	}	1149	};
1033	}	1150	}
1034		1151
1035	#############################################################################	1152	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1153
1038	*cf::mapsupport::on_clean = sub {	1154	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1155
1073	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
1074		1157
1075	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
1076		1159
1077	=cut	1160	=cut
1078		1161
1079	package cf::player;	1162	package cf::player;
1080		1163
		1164	use Coro::AIO;
		1165
1081	=head3 cf::player	1166	=head3 cf::player
1082		1167
1083	=over 4	1168	=over 4
1084		1169
1085	=item cf::player::find $login	1170	=item cf::player::find $login
…		…
1087	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
1088		1173
1089	=cut	1174	=cut
1090		1175
1091	sub playerdir($) {	1176	sub playerdir($) {
1092	cf::localdir	1177	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1179	}
1098		1180
1099	sub path($) {	1181	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1183
1102	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
1103	}	1185	}
1104		1186
1105	sub find_active($) {	1187	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
1110		1192
1111	sub exists($) {	1193	sub exists($) {
1112	my ($login) = @_;	1194	my ($login) = @_;
1113		1195
1114	$cf::PLAYER{$login}	1196	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1197	or cf::sync_job { !aio_stat path $login }
1116	}	1198	}
1117		1199
1118	sub find($) {	1200	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1201	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1202	my $login = $_[0];
1121		1203
1122	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
1123		1205
1124	$cf::PLAYER{$_[0]} || do {	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
1125	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
1126	or return;	1215	or return;
1127	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
1128	}	1217	}
1129	}	1218	}
…		…
1137	my $path = path $pl;	1226	my $path = path $pl;
1138	my $guard = cf::lock_acquire "user_save:$path";	1227	my $guard = cf::lock_acquire "user_save:$path";
1139		1228
1140	return if $pl->{deny_save};	1229	return if $pl->{deny_save};
1141		1230
1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1231	aio_mkdir playerdir $pl, 0770;
1143	$pl->{last_save} = $cf::RUNTIME;	1232	$pl->{last_save} = $cf::RUNTIME;
1144		1233
1145	$pl->save_pl ($path);	1234	$pl->save_pl ($path);
1146	Coro::cede;	1235	Coro::cede;
1147	}	1236	}
…		…
1157	$cf::PLAYER{$login} = $self;	1246	$cf::PLAYER{$login} = $self;
1158		1247
1159	$self	1248	$self
1160	}	1249	}
1161		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
1162	sub quit_character {	1258	sub quit_character {
1163	my ($pl) = @_;	1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
1164		1262
1165	$pl->{deny_save} = 1;	1263	$pl->{deny_save} = 1;
1166	$pl->password ("*"); # this should lock out the player until we nuked the dir	1264	$pl->password ("*"); # this should lock out the player until we nuked the dir
1167		1265
1168	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1171	$pl->ns->destroy if $pl->ns;	1269	$pl->ns->destroy if $pl->ns;
1172		1270
1173	my $path = playerdir $pl;	1271	my $path = playerdir $pl;
1174	my $temp = "$path~$cf::RUNTIME~deleting~";	1272	my $temp = "$path~$cf::RUNTIME~deleting~";
1175	Coro::AIO::aio_rename $path, $temp;	1273	aio_rename $path, $temp;
1176	delete $cf::PLAYER{$pl->ob->name};	1274	delete $cf::PLAYER{$pl->ob->name};
1177	$pl->destroy;	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
1178	IO::AIO::aio_rmtree $temp;	1282	IO::AIO::aio_rmtree $temp;
1179	}	1283	}
1180		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
1181	=item $player->ext_reply ($msgid, $msgtype, %msg)	1385	=item $player->ext_reply ($msgid, %msg)
1182		1386
1183	Sends an ext reply to the player.	1387	Sends an ext reply to the player.
1184		1388
1185	=cut	1389	=cut
1186		1390
1187	sub ext_reply($$$%) {	1391	sub ext_reply($$%) {
1188	my ($self, $id, %msg) = @_;	1392	my ($self, $id, %msg) = @_;
1189		1393
1190	$msg{msgid} = $id;	1394	$msg{msgid} = $id;
1191		1395
1192	$self->send ("ext " . cf::to_json \%msg);	1396	$self->send ("ext " . cf::to_json \%msg);
1193	}	1397	}
1194		1398
1195	package cf;	1399	=item $player->ext_event ($type, %msg)
		1400
		1401	Sends an ext event to the client.
		1402
		1403	=cut
		1404
		1405	sub ext_event($$%) {
		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 $path
		1420
		1421	Tries to decuce the likely region for a map knowing only its path.
		1422
		1423	=cut
		1424
		1425	sub find_by_path($) {
		1426	my ($path) = @_;
		1427
		1428	my ($match, $specificity);
		1429
		1430	for my $region (list) {
		1431	if ($region->match && $path =~ $region->match) {
		1432	($match, $specificity) = ($region, $region->specificity)
		1433	if $region->specificity > $specificity;
		1434	}
		1435	}
		1436
		1437	$match
		1438	}
1196		1439
1197	=back	1440	=back
1198
1199		1441
1200	=head3 cf::map	1442	=head3 cf::map
1201		1443
1202	=over 4	1444	=over 4
1203		1445
…		…
1206	package cf::map;	1448	package cf::map;
1207		1449
1208	use Fcntl;	1450	use Fcntl;
1209	use Coro::AIO;	1451	use Coro::AIO;
1210		1452
		1453	use overload
		1454	'""' => \&as_string,
		1455	fallback => 1;
		1456
1211	our $MAX_RESET = 3600;	1457	our $MAX_RESET = 3600;
1212	our $DEFAULT_RESET = 3000;	1458	our $DEFAULT_RESET = 3000;
1213		1459
1214	sub generate_random_map {	1460	sub generate_random_map {
1215	my ($path, $rmp) = @_;	1461	my ($self, $rmp) = @_;
1216
1217	# mit "rum" bekleckern, nicht	1462	# mit "rum" bekleckern, nicht
1218	cf::map::_create_random_map	1463	$self->_create_random_map (
1219	$path,
1220	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1221	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1222	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1223	$rmp->{exit_on_final_map},	1467	$rmp->{exit_on_final_map},
1224	$rmp->{xsize}, $rmp->{ysize},	1468	$rmp->{xsize}, $rmp->{ysize},
1225	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1469	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1470	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1471	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228	$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},
1229	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1473	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230	(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"
1231	}	1603	}
1232		1604
1233	# and all this just because we cannot iterate over	1605	# and all this just because we cannot iterate over
1234	# all maps in C++...	1606	# all maps in C++...
1235	sub change_all_map_light {	1607	sub change_all_map_light {
…		…
1237		1609
1238	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1239	for grep $_->outdoor, values %cf::MAP;	1611	for grep $_->outdoor, values %cf::MAP;
1240	}	1612	}
1241		1613
		1614	sub decay_objects {
		1615	my ($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
1242	sub try_load_header($) {	1630	sub load_header_from($) {
1243	my ($path) = @_;	1631	my ($self, $path) = @_;
1244		1632
1245	utf8::encode $path;	1633	utf8::encode $path;
1246	aio_open $path, O_RDONLY, 0	1634	#aio_open $path, O_RDONLY, 0
		1635	# or return;
		1636
		1637	$self->_load_header ($path)
1247	or return;	1638	or return;
1248		1639
1249	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
1250	or return;	1683	or return;
		1684	$self->prepare_orig;
		1685	}
1251		1686
1252	# for better error messages only, will be overwritten	1687	$self->{deny_reset} = 1
1253	$map->path ($path);	1688	if $self->no_reset;
1254		1689
1255	$map->load_header ($path)	1690	$self->default_region (cf::region::find_by_path $self->{path})
1256	or return;	1691	unless $self->default_region;
1257		1692
1258	$map->{load_path} = $path;	1693	1
1259
1260	$map
1261	}	1694	}
1262		1695
1263	sub find;	1696	sub find;
1264	sub find {	1697	sub find {
1265	my ($path, $origin) = @_;	1698	my ($path, $origin) = @_;
1266		1699
1267	#warn "find<$path,$origin>\n";#d#
1268
1269	$path = new cf::path $path, $origin && $origin->path;	1700	$path = normalise $path, $origin && $origin->path;
1270	my $key = $path->as_string;
1271		1701
1272	cf::lock_wait "map_find:$key";	1702	cf::lock_wait "map_find:$path";
1273		1703
1274	$cf::MAP{$key} || do {	1704	$cf::MAP{$path} || do {
1275	my $guard = cf::lock_acquire "map_find:$key";	1705	my $guard = cf::lock_acquire "map_find:$path";
1276		1706	my $map = new_from_path cf::map $path
1277	# do it the slow way
1278	my $map = try_load_header $path->save_path;
1279
1280	Coro::cede;
1281
1282	if ($map) {
1283	$map->last_access ((delete $map->{last_access})
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$map->{instantiate_time} = $cf::RUNTIME
1287	if $map->{instantiate_time} > $cf::RUNTIME;
1288	} else {
1289	if (my $rmp = $path->random_map_params) {
1290	$map = generate_random_map $key, $rmp;
1291	} else {
1292	$map = try_load_header $path->load_path;
1293	}
1294
1295	$map or return;	1707	or return;
1296		1708
1297	$map->{load_original} = 1;
1298	$map->{instantiate_time} = $cf::RUNTIME;
1299	$map->last_access ($cf::RUNTIME);
1300	$map->instantiate;
1301
1302	# per-player maps become, after loading, normal maps
1303	$map->per_player (0) if $path->{user_rel};
1304	}
1305
1306	$map->path ($key);
1307	$map->{path} = $path;
1308	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1309		1710
1310	Coro::cede;	1711	$map->load_header
		1712	or return;
1311		1713
1312	if ($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;
1313	$map->reset;	1717	$map->reset;
1314	undef $guard;	1718	undef $guard;
1315	$map = find $path	1719	return find $path;
1316	or return;
1317	}	1720	}
1318		1721
1319	$cf::MAP{$key} = $map	1722	$cf::MAP{$path} = $map
1320	}	1723	}
1321	}	1724	}
		1725
		1726	sub pre_load { }
		1727	sub post_load { }
1322		1728
1323	sub load {	1729	sub load {
1324	my ($self) = @_;	1730	my ($self) = @_;
1325		1731
		1732	local $self->{deny_reset} = 1; # loading can take a long time
		1733
1326	my $path = $self->{path};	1734	my $path = $self->{path};
		1735
		1736	{
1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1737	my $guard = cf::lock_acquire "map_load:$path";
1328		1738
1329	return if $self->in_memory != cf::MAP_SWAPPED;	1739	return if $self->in_memory != cf::MAP_SWAPPED;
1330		1740
1331	$self->in_memory (cf::MAP_LOADING);	1741	$self->in_memory (cf::MAP_LOADING);
1332		1742
1333	$self->alloc;	1743	$self->alloc;
		1744
		1745	$self->pre_load;
		1746	Coro::cede;
		1747
1334	$self->load_objects ($self->{load_path}, 1)	1748	$self->_load_objects ($self->{load_path}, 1)
1335	or return;	1749	or return;
1336		1750
1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1338	if delete $self->{load_original};	1752	if delete $self->{load_original};
1339		1753
1340	if (my $uniq = $path->uniq_path) {	1754	if (my $uniq = $self->uniq_path) {
1341	utf8::encode $uniq;	1755	utf8::encode $uniq;
1342	if (aio_open $uniq, O_RDONLY, 0) {	1756	if (aio_open $uniq, O_RDONLY, 0) {
1343	$self->clear_unique_items;	1757	$self->clear_unique_items;
1344	$self->load_objects ($uniq, 0);	1758	$self->_load_objects ($uniq, 0);
1345	}	1759	}
1346	}	1760	}
1347		1761
1348	Coro::cede;	1762	Coro::cede;
1349
1350	# now do the right thing for maps	1763	# now do the right thing for maps
1351	$self->link_multipart_objects;	1764	$self->link_multipart_objects;
1352
1353	if ($self->{path}->is_style_map) {
1354	$self->{deny_save} = 1;
1355	$self->{deny_reset} = 1;
1356	} else {
1357	$self->fix_auto_apply;
1358	$self->decay_objects;
1359	$self->update_buttons;
1360	$self->set_darkness_map;
1361	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1362	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;
1363	$self->activate;	1776	$self->activate;
1364	}	1777	}
1365		1778
1366	Coro::cede;
1367
1368	$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	$neigh->load;
		1818	}
1369	}	1819	}
1370		1820
1371	sub find_sync {	1821	sub find_sync {
1372	my ($path, $origin) = @_;	1822	my ($path, $origin) = @_;
1373		1823
1374	cf::sync_job { cf::map::find $path, $origin }	1824	cf::sync_job { find $path, $origin }
1375	}	1825	}
1376		1826
1377	sub do_load_sync {	1827	sub do_load_sync {
1378	my ($map) = @_;	1828	my ($map) = @_;
1379		1829
1380	cf::sync_job { $map->load };	1830	cf::sync_job { $map->load };
1381	}	1831	}
1382		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	$MAP_PREFETCHER->prio (6);
		1859
		1860	()
		1861	}
		1862
1383	sub save {	1863	sub save {
1384	my ($self) = @_;	1864	my ($self) = @_;
1385		1865
1386	my $lock = cf::lock_acquire "map_data:" . $self->path;	1866	my $lock = cf::lock_acquire "map_data:" . $self->path;
1387		1867
1388	$self->{last_save} = $cf::RUNTIME;	1868	$self->{last_save} = $cf::RUNTIME;
1389		1869
1390	return unless $self->dirty;	1870	return unless $self->dirty;
1391		1871
1392	my $save = $self->{path}->save_path; utf8::encode $save;	1872	my $save = $self->save_path; utf8::encode $save;
1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1873	my $uniq = $self->uniq_path; utf8::encode $uniq;
1394		1874
1395	$self->{load_path} = $save;	1875	$self->{load_path} = $save;
1396		1876
1397	return if $self->{deny_save};	1877	return if $self->{deny_save};
1398		1878
…		…
1401	cf::async {	1881	cf::async {
1402	$_->contr->save for $self->players;	1882	$_->contr->save for $self->players;
1403	};	1883	};
1404		1884
1405	if ($uniq) {	1885	if ($uniq) {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407	$self->save_objects ($uniq, cf::IO_UNIQUES);	1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1408	} else {	1888	} else {
1409	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1889	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410	}	1890	}
1411	}	1891	}
1412		1892
1413	sub swap_out {	1893	sub swap_out {
1414	my ($self) = @_;	1894	my ($self) = @_;
…		…
1428		1908
1429	sub reset_at {	1909	sub reset_at {
1430	my ($self) = @_;	1910	my ($self) = @_;
1431		1911
1432	# TODO: safety, remove and allow resettable per-player maps	1912	# TODO: safety, remove and allow resettable per-player maps
1433	return 1e99 if $self->{path}{user_rel};
1434	return 1e99 if $self->{deny_reset};	1913	return 1e99 if $self->{deny_reset};
1435		1914
1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1438		1917
…		…
1443	my ($self) = @_;	1922	my ($self) = @_;
1444		1923
1445	$self->reset_at <= $cf::RUNTIME	1924	$self->reset_at <= $cf::RUNTIME
1446	}	1925	}
1447		1926
1448	sub unlink_save {
1449	my ($self) = @_;
1450
1451	utf8::encode (my $save = $self->{path}->save_path);
1452	aioreq_pri 3; IO::AIO::aio_unlink $save;
1453	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1454	}
1455
1456	sub rename {
1457	my ($self, $new_path) = @_;
1458
1459	$self->unlink_save;
1460
1461	delete $cf::MAP{$self->path};
1462	$self->{path} = new cf::path $new_path;
1463	$self->path ($self->{path}->as_string);
1464	$cf::MAP{$self->path} = $self;
1465
1466	$self->save;
1467	}
1468
1469	sub reset {	1927	sub reset {
1470	my ($self) = @_;	1928	my ($self) = @_;
1471		1929
1472	my $lock = cf::lock_acquire "map_data:" . $self->path;	1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
1473		1931
1474	return if $self->players;	1932	return if $self->players;
1475	return if $self->{path}{user_rel};#d#
1476		1933
1477	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	}
1478		1945
1479	delete $cf::MAP{$self->path};	1946	delete $cf::MAP{$self->path};
		1947
		1948	$self->clear;
1480		1949
1481	$_->clear_links_to ($self) for values %cf::MAP;	1950	$_->clear_links_to ($self) for values %cf::MAP;
1482		1951
1483	$self->unlink_save;	1952	$self->unlink_save;
1484	$self->destroy;	1953	$self->destroy;
…		…
1487	my $nuke_counter = "aaaa";	1956	my $nuke_counter = "aaaa";
1488		1957
1489	sub nuke {	1958	sub nuke {
1490	my ($self) = @_;	1959	my ($self) = @_;
1491		1960
		1961	delete $cf::MAP{$self->path};
		1962
		1963	$self->unlink_save;
		1964
		1965	bless $self, "cf::map";
		1966	delete $self->{deny_reset};
1492	$self->{deny_save} = 1;	1967	$self->{deny_save} = 1;
1493	$self->reset_timeout (1);	1968	$self->reset_timeout (1);
1494	$self->rename ("{nuke}/" . ($nuke_counter++));	1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1970
		1971	$cf::MAP{$self->path} = $self;
		1972
1495	$self->reset; # polite request, might not happen	1973	$self->reset; # polite request, might not happen
1496	}	1974	}
1497		1975
1498	sub customise_for {	1976	=item $maps = cf::map::tmp_maps
1499	my ($map, $ob) = @_;
1500		1977
1501	if ($map->per_player) {	1978	Returns an arrayref with all map paths of currently instantiated and saved
1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1979	maps. May block.
		1980
		1981	=cut
		1982
		1983	sub tmp_maps() {
1503	}	1984	[
1504		1985	map {
1505	$map	1986	utf8::decode $_;
		1987	/\.map$/
		1988	? normalise $_
		1989	: ()
		1990	} @{ aio_readdir $TMPDIR or [] }
		1991	]
1506	}	1992	}
1507		1993
1508	sub emergency_save {	1994	=item $maps = cf::map::random_maps
1509	my $freeze_guard = cf::freeze_mainloop;
1510		1995
1511	warn "enter emergency perl save\n";	1996	Returns an arrayref with all map paths of currently instantiated and saved
		1997	random maps. May block.
1512		1998
1513	cf::sync_job {	1999	=cut
1514	warn "begin emergency player save\n";
1515	$_->save for values %cf::PLAYER;
1516	warn "end emergency player save\n";
1517		2000
1518	warn "begin emergency map save\n";	2001	sub random_maps() {
1519	$_->save for values %cf::MAP;	2002	[
1520	warn "end emergency map save\n";	2003	map {
1521	};	2004	utf8::decode $_;
		2005	/\.map$/
		2006	? normalise "?random/$_"
		2007	: ()
		2008	} @{ aio_readdir $RANDOMDIR or [] }
		2009	]
		2010	}
1522		2011
1523	warn "leave emergency perl save\n";	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	]
1524	}	2028	}
1525		2029
1526	package cf;	2030	package cf;
1527		2031
1528	=back	2032	=back
1529		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
1530		2060
1531	=head3 cf::object::player	2061	=head3 cf::object::player
1532		2062
1533	=over 4	2063	=over 4
1534		2064
…		…
1548		2078
1549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1550		2080
1551	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1553	} 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 {
1554	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1555	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1556	}	2100	}
1557	}	2101	}
1558		2102
1559	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1560		2104
…		…
1574		2118
1575	=item $player_object->enter_link	2119	=item $player_object->enter_link
1576		2120
1577	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}>).
1578		2122
1579	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
1580	I<MUST> call C<leave_link> as soon as possible, though.	2124	I<MUST> call C<leave_link> as soon as possible, though.
1581		2125
		2126	Will never block.
		2127
1582	=item $player_object->leave_link ($map, $x, $y)	2128	=item $player_object->leave_link ($map, $x, $y)
1583		2129
1584	Moves the player out of the specila link map onto the given map. If the	2130	Moves the player out of the special C<{link}> map onto the specified
1585	map is not valid (or omitted), the player will be moved back to the	2131	map. If the map is not valid (or omitted), the player will be moved back
1586	location he/she was before the call to C<enter_link>, or, if that fails,	2132	to the location he/she was before the call to C<enter_link>, or, if that
1587	to the emergency map position.	2133	fails, to the emergency map position.
1588		2134
1589	Might block.	2135	Might block.
1590		2136
1591	=cut	2137	=cut
		2138
		2139	sub link_map {
		2140	unless ($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	$LINK_MAP
		2147	}
1592		2148
1593	sub cf::object::player::enter_link {	2149	sub cf::object::player::enter_link {
1594	my ($self) = @_;	2150	my ($self) = @_;
1595		2151
1596	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
1597		2153
1598	return if $self->map == $LINK_MAP;	2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
1599		2155
1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601	if $self->map;	2157	if $self->map && $self->map->{path} ne "{link}";
1602		2158
1603	$self->enter_map ($LINK_MAP, 20, 20);	2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1604	}	2160	}
1605		2161
1606	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1607	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1608		2166
1609	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1610		2168
1611	unless ($map) {	2169	unless ($map) {
1612	# restore original map position	2170	# restore original map position
…		…
1626	# use -1 or undef as default coordinates, not 0, 0	2184	# use -1 or undef as default coordinates, not 0, 0
1627	($x, $y) = ($map->enter_x, $map->enter_y)	2185	($x, $y) = ($map->enter_x, $map->enter_y)
1628	if $x <=0 && $y <= 0;	2186	if $x <=0 && $y <= 0;
1629		2187
1630	$map->load;	2188	$map->load;
		2189	$map->load_diag;
1631		2190
1632	return unless $self->contr->active;	2191	return unless $self->contr->active;
1633	$self->activate_recursive;	2192	$self->activate_recursive;
		2193
		2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1634	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1635	}	2196	}
1636		2197
1637	cf::player->attach (
1638	on_logout => sub {
1639	my ($pl) = @_;
1640
1641	# abort map switching before logout
1642	if ($pl->ob->{_link_pos}) {
1643	cf::sync_job {
1644	$pl->ob->leave_link
1645	};
1646	}
1647	},
1648	on_login => sub {
1649	my ($pl) = @_;
1650
1651	# try to abort aborted map switching on player login :)
1652	# should happen only on crashes
1653	if ($pl->ob->{_link_pos}) {
1654	$pl->ob->enter_link;
1655	(async {
1656	# we need this sleep as the login has a concurrent enter_exit running
1657	# and this sleep increases chances of the player not ending up in scorn
1658	$pl->ob->reply (undef,
1659	"There was an internal problem at your last logout, "
1660	. "the server will try to bring you to your intended destination in a second.",
1661	cf::NDI_RED);
1662	Coro::Timer::sleep 1;
1663	$pl->ob->leave_link;
1664	})->prio (2);
1665	}
1666	},
1667	);
1668
1669	=item $player_object->goto ($path, $x, $y)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1670		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
1671	=cut	2205	=cut
		2206
		2207	our $GOTOGEN;
1672		2208
1673	sub cf::object::player::goto {	2209	sub cf::object::player::goto {
1674	my ($self, $path, $x, $y) = @_;	2210	my ($self, $path, $x, $y, $check) = @_;
1675		2211
1676	$path = new cf::path $path;	2212	# do generation counting so two concurrent goto's will be executed in-order
1677	$path ne "/" or Carp::cluck ("oy");#d#	2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1678		2214
1679	$self->enter_link;	2215	$self->enter_link;
1680		2216
1681	(async {	2217	(async {
		2218	my $map = eval {
1682	my $map = cf::map::find $path->as_string;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1683	$map = $map->customise_for ($self) if $map;	2222	$map = $map->customise_for ($self);
1684		2223	$map = $check->($map) if $check && $map;
1685	# warn "entering ", $map->path, " at ($x, $y)\n"	2224	} else {
1686	# if $map;
1687
1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2226	}
1689		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};
1690	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1691	})->prio (1);	2240	})->prio (1);
1692	}	2241	}
1693		2242
1694	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1695		2244
…		…
1697		2246
1698	sub parse_random_map_params {	2247	sub parse_random_map_params {
1699	my ($spec) = @_;	2248	my ($spec) = @_;
1700		2249
1701	my $rmp = { # defaults	2250	my $rmp = { # defaults
1702	xsize => 10,	2251	xsize => (cf::rndm 15, 40),
1703	ysize => 10,	2252	ysize => (cf::rndm 15, 40),
		2253	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2254	#layout => string,
1704	};	2255	};
1705		2256
1706	for (split /\n/, $spec) {	2257	for (split /\n/, $spec) {
1707	my ($k, $v) = split /\s+/, $_, 2;	2258	my ($k, $v) = split /\s+/, $_, 2;
1708		2259
…		…
1712	$rmp	2263	$rmp
1713	}	2264	}
1714		2265
1715	sub prepare_random_map {	2266	sub prepare_random_map {
1716	my ($exit) = @_;	2267	my ($exit) = @_;
		2268
		2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
1717		2270
1718	# all this does is basically replace the /! path by	2271	# all this does is basically replace the /! path by
1719	# a new random map path (?random/...) with a seed	2272	# a new random map path (?random/...) with a seed
1720	# that depends on the exit object	2273	# that depends on the exit object
1721		2274
1722	my $rmp = parse_random_map_params $exit->msg;	2275	my $rmp = parse_random_map_params $exit->msg;
1723		2276
1724	if ($exit->map) {	2277	if ($exit->map) {
1725	$rmp->{region} = $exit->map->region_name;	2278	$rmp->{region} = $exit->region->name;
1726	$rmp->{origin_map} = $exit->map->path;	2279	$rmp->{origin_map} = $exit->map->path;
1727	$rmp->{origin_x} = $exit->x;	2280	$rmp->{origin_x} = $exit->x;
1728	$rmp->{origin_y} = $exit->y;	2281	$rmp->{origin_y} = $exit->y;
1729	}	2282	}
1730		2283
1731	$rmp->{random_seed} ||= $exit->random_seed;	2284	$rmp->{random_seed} ||= $exit->random_seed;
1732		2285
1733	my $data = cf::to_json $rmp;	2286	my $data = cf::to_json $rmp;
1734	my $md5 = Digest::MD5::md5_hex $data;	2287	my $md5 = Digest::MD5::md5_hex $data;
		2288	my $meta = "$RANDOMDIR/$md5.meta";
1735		2289
1736	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) {
1737	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;
1738		2294
1739	$exit->slaying ("?random/$md5");	2295	$exit->slaying ("?random/$md5");
1740	$exit->msg (undef);	2296	$exit->msg (undef);
1741	}	2297	}
1742	}	2298	}
1743		2299
1744	sub cf::object::player::enter_exit {	2300	sub cf::object::player::enter_exit {
1745	my ($self, $exit) = @_;	2301	my ($self, $exit) = @_;
1746		2302
1747	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;
1748		2315
1749	$self->enter_link;	2316	$self->enter_link;
1750		2317
1751	(async {	2318	(async {
1752	$self->deactivate_recursive; # just to be sure	2319	$self->deactivate_recursive; # just to be sure
1753	unless (eval {	2320	unless (eval {
1754	prepare_random_map $exit	2321	$self->goto ($slaying, $hp, $sp);
1755	if $exit->slaying eq "/!";
1756
1757	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1758	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1759		2322
1760	1;	2323	1;
1761	}) {	2324	}) {
1762	$self->message ("Something went wrong deep within the crossfire server. "	2325	$self->message ("Something went wrong deep within the crossfire server. "
1763	. "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. "
1764	. "Please report this to the dungeon master",	2327	. "Please report this to the dungeon master!",
1765	cf::NDI_UNIQUE | cf::NDI_RED);	2328	cf::NDI_UNIQUE | cf::NDI_RED);
1766		2329
1767	warn "ERROR in enter_exit: $@";	2330	warn "ERROR in enter_exit: $@";
1768	$self->leave_link;	2331	$self->leave_link;
1769	}	2332	}
1770	})->prio (1);	2333	})->prio (1);
…		…
1783		2346
1784	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
1785	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
1786		2349
1787	utf8::encode $text;	2350	utf8::encode $text;
1788	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1789	}	2352	}
1790		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=$1]${1}[\/color]/;
		2379	}
		2380
		2381	if ($color >= 0) {
		2382	if (0 && $msg =~ /\[/) {
		2383	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2384	} else {
		2385	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	}
1791		2404
1792	=item $success = $client->query ($flags, "text", \&cb)	2405	=item $success = $client->query ($flags, "text", \&cb)
1793		2406
1794	Queues a query to the client, calling the given callback with	2407	Queues a query to the client, calling the given callback with
1795	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>,
…		…
1824	# get handled first	2437	# get handled first
1825	my $queue = delete $ns->{query_queue}	2438	my $queue = delete $ns->{query_queue}
1826	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
1827		2440
1828	(shift @$queue)->[1]->($msg);	2441	(shift @$queue)->[1]->($msg);
		2442	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1829		2443
1830	push @{ $ns->{query_queue} }, @$queue;	2444	push @{ $ns->{query_queue} }, @$queue;
1831		2445
1832	if (@{ $ns->{query_queue} } == @$queue) {	2446	if (@{ $ns->{query_queue} } == @$queue) {
1833	if (@$queue) {	2447	if (@$queue) {
…		…
1891		2505
1892	# here we export the classes and methods available to script code	2506	# here we export the classes and methods available to script code
1893		2507
1894	=pod	2508	=pod
1895		2509
1896	The following fucntions and emthods are available within a safe environment:	2510	The following functions and methods are available within a safe environment:
1897		2511
1898	cf::object contr pay_amount pay_player map	2512	cf::object contr pay_amount pay_player map
1899	cf::object::player player	2513	cf::object::player player
1900	cf::player peaceful	2514	cf::player peaceful
1901	cf::map trigger	2515	cf::map trigger
…		…
1982	=back	2596	=back
1983		2597
1984	=cut	2598	=cut
1985		2599
1986	#############################################################################	2600	#############################################################################
		2601	# the server's init and main functions
1987		2602
1988	=head2 EXTENSION DATABASE SUPPORT	2603	sub load_facedata($) {
		2604	my ($path) = @_;
1989		2605
1990	Crossfire maintains a very simple database for extension use. It can	2606	warn "loading facedata from $path\n";
1991	currently store anything that can be serialised using Storable, which
1992	excludes objects.
1993		2607
1994	The parameter C<$family> should best start with the name of the extension	2608	my $facedata;
1995	using it, it should be unique.	2609	0 < aio_load $path, $facedata
		2610	or die "$path: $!";
1996		2611
1997	=over 4	2612	$facedata = Coro::Storable::thaw $facedata;
1998		2613
1999	=item $hashref = cf::db_get $family	2614	$facedata->{version} == 2
		2615	or cf::cleanup "$path: version mismatch, cannot proceed.";
2000		2616
2001	Return a hashref for use by the extension C<$family>, which can be
2002	modified. After modifications, you have to call C<cf::db_dirty> or
2003	C<cf::db_sync>.
2004
2005	=item $value = cf::db_get $family => $key
2006
2007	Returns a single value from the database
2008
2009	=item cf::db_put $family => $hashref
2010
2011	Stores the given family hashref into the database. Updates are delayed, if
2012	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2013
2014	=item cf::db_put $family => $key => $value
2015
2016	Stores the given C<$value> in the family hash. Updates are delayed, if you
2017	want the data to be synced to disk immediately, use C<cf::db_sync>.
2018
2019	=item cf::db_dirty
2020
2021	Marks the database as dirty, to be updated at a later time.
2022
2023	=item cf::db_sync
2024
2025	Immediately write the database to disk I<if it is dirty>.
2026
2027	=cut
2028
2029	our $DB;
2030
2031	{
2032	my $path = cf::localdir . "/database.pst";
2033
2034	sub db_load() {
2035	$DB = stat $path ? Storable::retrieve $path : { };
2036	}	2617	{
		2618	my $faces = $facedata->{faceinfo};
2037		2619
2038	my $pid;	2620	while (my ($face, $info) = each %$faces) {
2039		2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2040	sub db_save() {	2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2041	waitpid $pid, 0 if $pid;	2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2042	if (0 == ($pid = fork)) {	2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2043	$DB->{_meta}{version} = 1;	2625	Coro::cede;
2044	Storable::nstore $DB, "$path~";
2045	rename "$path~", $path;
2046	cf::_exit 0 if defined $pid;
2047	}
2048	}
2049
2050	my $dirty;
2051
2052	sub db_sync() {
2053	db_save if $dirty;
2054	undef $dirty;
2055	}
2056
2057	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2058	db_sync;
2059	});
2060
2061	sub db_dirty() {
2062	$dirty = 1;
2063	$idle->start;
2064	}
2065
2066	sub db_get($;$) {
2067	@_ >= 2
2068	? $DB->{$_[0]}{$_[1]}
2069	: ($DB->{$_[0]} ||= { })
2070	}
2071
2072	sub db_put($$;$) {
2073	if (@_ >= 3) {
2074	$DB->{$_[0]}{$_[1]} = $_[2];
2075	} else {
2076	$DB->{$_[0]} = $_[1];
2077	}
2078	db_dirty;
2079	}
2080
2081	cf::global->attach (
2082	prio => 10000,
2083	on_cleanup => sub {
2084	db_sync;
2085	},	2626	}
2086	);
2087	}
2088		2627
2089	#############################################################################	2628	while (my ($face, $info) = each %$faces) {
2090	# 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	}
2091		2690
2092	sub cfg_load {	2691	sub cfg_load {
2093	open my $fh, "<:utf8", cf::confdir . "/config"	2692	open my $fh, "<:utf8", "$CONFDIR/config"
2094	or return;	2693	or return;
2095		2694
2096	local $/;	2695	local $/;
2097	*CFG = YAML::Syck::Load <$fh>;	2696	*CFG = YAML::Syck::Load <$fh>;
2098		2697
…		…
2112		2711
2113	sub main {	2712	sub main {
2114	# we must not ever block the main coroutine	2713	# we must not ever block the main coroutine
2115	local $Coro::idle = sub {	2714	local $Coro::idle = sub {
2116	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 {
2117	async { Event::one_event };	2717	Event::one_event;
		2718	})->prio (Coro::PRIO_MAX);
2118	};	2719	};
2119		2720
2120	cfg_load;	2721	cfg_load;
2121	db_load;	2722	db_init;
2122	load_extensions;	2723	load_extensions;
		2724
		2725	$TICK_WATCHER->start;
2123	Event::loop;	2726	Event::loop;
2124	}	2727	}
2125		2728
2126	#############################################################################	2729	#############################################################################
2127	# initialisation	2730	# initialisation and cleanup
2128		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 $make_core;
		2823	}
		2824
2129	sub reload() {	2825	sub do_reload_perl() {
2130	# can/must only be called in main	2826	# can/must only be called in main
2131	if ($Coro::current != $Coro::main) {	2827	if ($Coro::current != $Coro::main) {
2132	warn "can only reload from main coroutine\n";	2828	warn "can only reload from main coroutine";
2133	return;	2829	return;
2134	}	2830	}
2135		2831
2136	warn "reloading...";	2832	warn "reloading...";
2137		2833
2138	my $guard = freeze_mainloop;	2834	warn "entering sync_job";
		2835
		2836	cf::sync_job {
		2837	cf::write_runtime; # external watchdog should not bark
2139	cf::emergency_save;	2838	cf::emergency_save;
		2839	cf::write_runtime; # external watchdog should not bark
2140		2840
2141	eval {	2841	warn "syncing database to disk";
		2842	BDB::db_env_txn_checkpoint $DB_ENV;
		2843
2142	# 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
2143		2845
2144	# cancel all watchers	2846	warn "cancelling all WF_AUTOCANCEL watchers";
2145	for (Event::all_watchers) {	2847	for (Event::all_watchers) {
2146	$_->cancel if $_->data & WF_AUTOCANCEL;	2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2147	}	2849	}
2148		2850
		2851	warn "flushing outstanding aio requests";
		2852	for (;;) {
		2853	BDB::flush;
		2854	IO::AIO::flush;
		2855	Coro::cede;
		2856	last unless IO::AIO::nreqs || BDB::nreqs;
		2857	warn "iterate...";
		2858	}
		2859
		2860	++$RELOAD;
		2861
2149	# cancel all extension coros	2862	warn "cancelling all extension coros";
2150	$_->cancel for values %EXT_CORO;	2863	$_->cancel for values %EXT_CORO;
2151	%EXT_CORO = ();	2864	%EXT_CORO = ();
2152		2865
2153	# unload all extensions	2866	warn "removing commands";
2154	for (@exts) {	2867	%COMMAND = ();
		2868
		2869	warn "removing ext commands";
		2870	%EXTCMD = ();
		2871
		2872	warn "unloading/nuking all extensions";
		2873	for my $pkg (@EXTS) {
2155	warn "unloading <$_>";	2874	warn "... unloading $pkg";
2156	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: $@";
2157	}	2881	}
2158		2882
		2883	warn "... nuking $pkg";
		2884	Symbol::delete_package $pkg;
		2885	}
		2886
2159	# unload all modules loaded from $LIBDIR	2887	warn "unloading all perl modules loaded from $LIBDIR";
2160	while (my ($k, $v) = each %INC) {	2888	while (my ($k, $v) = each %INC) {
2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2162		2890
2163	warn "removing <$k>";	2891	warn "... unloading $k";
2164	delete $INC{$k};	2892	delete $INC{$k};
2165		2893
2166	$k =~ s/\.pm$//;	2894	$k =~ s/\.pm$//;
2167	$k =~ s/\//::/g;	2895	$k =~ s/\//::/g;
2168		2896
…		…
2171	}	2899	}
2172		2900
2173	Symbol::delete_package $k;	2901	Symbol::delete_package $k;
2174	}	2902	}
2175		2903
2176	# sync database to disk
2177	cf::db_sync;
2178	IO::AIO::flush;
2179
2180	# get rid of safe::, as good as possible	2904	warn "getting rid of safe::, as good as possible";
2181	Symbol::delete_package "safe::$_"	2905	Symbol::delete_package "safe::$_"
2182	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);
2183		2907
2184	# remove register_script_function callbacks
2185	# TODO
2186
2187	# unload cf.pm "a bit"	2908	warn "unloading cf.pm \"a bit\"";
2188	delete $INC{"cf.pm"};	2909	delete $INC{"cf.pm"};
		2910	delete $INC{"cf/pod.pm"};
2189		2911
2190	# don't, removes xs symbols, too,	2912	# don't, removes xs symbols, too,
2191	# and global variables created in xs	2913	# and global variables created in xs
2192	#Symbol::delete_package __PACKAGE__;	2914	#Symbol::delete_package __PACKAGE__;
2193		2915
2194	# reload cf.pm	2916	warn "unload completed, starting to reload now";
		2917
2195	warn "reloading cf.pm";	2918	warn "reloading cf.pm";
2196	require cf;	2919	require cf;
2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2198		2921
2199	# load config and database again	2922	warn "loading config and database again";
2200	cf::cfg_load;	2923	cf::cfg_load;
2201	cf::db_load;
2202		2924
2203	# load extensions
2204	warn "load extensions";	2925	warn "loading extensions";
2205	cf::load_extensions;	2926	cf::load_extensions;
2206		2927
2207	# reattach attachments to objects	2928	warn "reattaching attachments to objects/players";
2208	warn "reattach";	2929	_global_reattach; # objects, sockets
2209	_global_reattach;	2930	warn "reattaching attachments to maps";
2210	reattach $_ for values %MAP;	2931	reattach $_ for values %MAP;
2211	};	2932	warn "reattaching attachments to players";
		2933	reattach $_ for values %PLAYER;
2212		2934
2213	if ($@) {	2935	warn "leaving sync_job";
		2936
		2937	1
		2938	} or do {
2214	warn $@;	2939	warn $@;
2215	warn "error while reloading, exiting.";	2940	warn "error while reloading, exiting.";
2216	exit 1;	2941	exit 1;
2217	}	2942	};
2218		2943
2219	warn "reloaded successfully";	2944	warn "reloaded";
2220	};	2945	};
2221		2946
2222	#############################################################################	2947	our $RELOAD_WATCHER; # used only during reload
2223		2948
2224	unless ($LINK_MAP) {	2949	sub reload_perl() {
2225	$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.
2226		2952
2227	$LINK_MAP->width (41);	2953	$RELOAD_WATCHER ||= Event->timer (
2228	$LINK_MAP->height (41);	2954	reentrant => 0,
2229	$LINK_MAP->alloc;
2230	$LINK_MAP->path ("{link}");
2231	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2232	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2233
2234	# dirty hack because... archetypes are not yet loaded
2235	Event->timer (
2236	after => 10,	2955	after => 0,
		2956	data => WF_AUTOCANCEL,
2237	cb => sub {	2957	cb => sub {
2238	$_[0]->w->cancel;	2958	do_reload_perl;
2239		2959	undef $RELOAD_WATCHER;
2240	# provide some exits "home"
2241	my $exit = cf::object::new "exit";
2242
2243	$exit->slaying ($EMERGENCY_POSITION->[0]);
2244	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2245	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2246
2247	$LINK_MAP->insert ($exit->clone, 19, 19);
2248	$LINK_MAP->insert ($exit->clone, 19, 20);
2249	$LINK_MAP->insert ($exit->clone, 19, 21);
2250	$LINK_MAP->insert ($exit->clone, 20, 19);
2251	$LINK_MAP->insert ($exit->clone, 20, 21);
2252	$LINK_MAP->insert ($exit->clone, 21, 19);
2253	$LINK_MAP->insert ($exit->clone, 21, 20);
2254	$LINK_MAP->insert ($exit->clone, 21, 21);
2255
2256	$exit->destroy;
2257	});	2960	},
2258		2961	);
2259	$LINK_MAP->{deny_save} = 1;
2260	$LINK_MAP->{deny_reset} = 1;
2261
2262	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2263	}	2962	}
2264
2265	register "<global>", __PACKAGE__;
2266		2963
2267	register_command "reload" => sub {	2964	register_command "reload" => sub {
2268	my ($who, $arg) = @_;	2965	my ($who, $arg) = @_;
2269		2966
2270	if ($who->flag (FLAG_WIZ)) {	2967	if ($who->flag (FLAG_WIZ)) {
2271	$who->message ("start of reload.");
2272	reload;
2273	$who->message ("end of reload.");	2968	$who->message ("reloading server.");
		2969	async { reload_perl };
2274	}	2970	}
2275	};	2971	};
2276		2972
2277	unshift @INC, $LIBDIR;	2973	unshift @INC, $LIBDIR;
2278		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;
2279	$TICK_WATCHER = Event->timer (	3000	$TICK_WATCHER = Event->timer (
2280	reentrant => 0,	3001	reentrant => 0,
		3002	parked => 1,
2281	prio => 0,	3003	prio => 0,
2282	at => $NEXT_TICK || $TICK,	3004	at => $NEXT_TICK || $TICK,
2283	data => WF_AUTOCANCEL,	3005	data => WF_AUTOCANCEL,
2284	cb => sub {	3006	cb => sub {
		3007	if ($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
2285	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
2286	$RUNTIME += $TICK;	3040	$RUNTIME += $TICK;
2287	$NEXT_TICK += $TICK;	3041	$NEXT_TICK += $TICK;
2288		3042
		3043	if ($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
2289	# 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
2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2291		3065
2292	$TICK_WATCHER->at ($NEXT_TICK);	3066	$TICK_WATCHER->at ($NEXT_TICK);
2293	$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
2294	},	3075	},
2295	);	3076	);
2296		3077
		3078	{
2297	IO::AIO::max_poll_time $TICK * 0.2;	3079	BDB::max_poll_time $TICK * 0.1;
2298		3080	$BDB_POLL_WATCHER = Event->io (
2299	Event->io (	3081	reentrant => 0,
2300	fd => IO::AIO::poll_fileno,	3082	fd => BDB::poll_fileno,
2301	poll => 'r',	3083	poll => 'r',
2302	prio => 5,	3084	prio => 0,
2303	data => WF_AUTOCANCEL,
2304	cb => \&IO::AIO::poll_cb,
2305	);
2306
2307	Event->timer (
2308	data => WF_AUTOCANCEL,	3085	data => WF_AUTOCANCEL,
2309	after => 0,	3086	cb => \&BDB::poll_cb,
2310	interval => 10,	3087	);
2311	cb => sub {	3088	BDB::min_parallel 8;
2312	(Coro::unblock_sub {	3089
2313	write_runtime	3090	BDB::set_sync_prepare {
2314	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 $@;
2315	})->();	3124	};
2316	},	3125	}
2317	);	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;
2318		3183
2319	END { cf::emergency_save }	3184	END { cf::emergency_save }
2320		3185
2321	1	3186	1
2322		3187

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