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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.281 by root, Sat Jun 16 23:22:59 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 ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		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
27	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
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$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
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	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(!)
48	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	76	our $NEXT_TICK;
50	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;
51		82
52	our %CFG;	83	our %CFG;
53		84
54	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	86	our $RUNTIME;
56		87
57	our %PLAYER; # all users	88	our %PLAYER; # all users
58	our %MAP; # all maps	89	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		91
65	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $tick_start; # for load detecting purposes
		98
68	binmode STDOUT;	99	binmode STDOUT;
69	binmode STDERR;	100	binmode STDERR;
70		101
71	# read virtual server time, if available	102	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
76	}	107	}
77		108
78	mkdir cf::localdir;	109	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		111
84	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
85		115
86	#############################################################################	116	#############################################################################
87		117
88	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
89		119
…		…
96	=item $cf::RUNTIME	126	=item $cf::RUNTIME
97		127
98	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
99	every server tick.	129	every server tick.
100		130
101	=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
102		134
103	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		139
106	=item $cf::NOW	140	=item $cf::NOW
107		141
108	The time of the last (current) server tick.	142	The time of the last (current) server tick.
109		143
110	=item $cf::TICK	144	=item $cf::TICK
111		145
112	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.
113		157
114	=item %cf::CFG	158	=item %cf::CFG
115		159
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	161	from wherever your confdir points to.
118		162
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		164
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.
125		168
126	=back	169	=back
127		170
128	=cut	171	=cut
129		172
130	BEGIN {	173	BEGIN {
131	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	175	my $msg = join "", @_;
133	utf8::encode $msg;
134		176
135	$msg .= "\n"	177	$msg .= "\n"
136	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
137		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
138	LOG llevError, $msg;	183	LOG llevError, $msg;
139	};	184	};
140	}	185	}
141		186
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		194
149	# 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
150	# within the Safe compartment.	196	# within the Safe compartment.
151	for my $pkg (qw(	197	for my $pkg (qw(
152	cf::global cf::attachable	198	cf::global cf::attachable
…		…
160	}	206	}
161		207
162	$Event::DIED = sub {	208	$Event::DIED = sub {
163	warn "error in event callback: @_";	209	warn "error in event callback: @_";
164	};	210	};
		211
		212	#############################################################################
165		213
166	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
167		215
168	=over 4	216	=over 4
169		217
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	237	$d
190	} || "[unable to dump $_[0]: '$@']";	238	} || "[unable to dump $_[0]: '$@']";
191	}	239	}
192		240
193	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
194		242
195	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
196		244
197	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
198		246
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
207		248
208	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		250
217	=item cf::lock_wait $string	251	=item cf::lock_wait $string
218		252
219	Wait until the given lock is available. See cf::lock_acquire.	253	Wait until the given lock is available. See cf::lock_acquire.
220		254
…		…
226	returned.	260	returned.
227		261
228	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
229	uses map_find and cf::map::load uses map_load).	263	uses map_find and cf::map::load uses map_load).
230		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
		268
231	=cut	269	=cut
232		270
233	our %LOCK;	271	our %LOCK;
234		272
235	sub lock_wait($) {	273	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	292	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	293	$_->ready for @{ delete $LOCK{$key} };
256	}	294	}
257	}	295	}
258		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
		301	}
		302
259	sub freeze_mainloop {	303	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	304	return unless $TICK_WATCHER->is_active;
261		305
262	my $guard = Coro::guard { $TICK_WATCHER->start };	306	my $guard = Coro::guard {
		307	$TICK_WATCHER->start;
		308	};
263	$TICK_WATCHER->stop;	309	$TICK_WATCHER->stop;
264	$guard	310	$guard
265	}	311	}
266		312
267	=item cf::async { BLOCK }	313	=item cf::async { BLOCK }
…		…
274		320
275	BEGIN { *async = \&Coro::async_pool }	321	BEGIN { *async = \&Coro::async_pool }
276		322
277	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
278		324
279	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
282		329
283	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
286	fast or be very important.	333	fast or be very important.
…		…
289		336
290	sub sync_job(&) {	337	sub sync_job(&) {
291	my ($job) = @_;	338	my ($job) = @_;
292		339
293	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
294	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
296		345
297	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	347	# (but this is cancel-safe)
…		…
309		358
310	while ($busy) {	359	while ($busy) {
311	Coro::cede or Event::one_event;	360	Coro::cede or Event::one_event;
312	}	361	}
313		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
314	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
315	} else {	371	} else {
316	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
317		373
318	$job->()	374	$job->()
…		…
337	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
338		394
339	$coro	395	$coro
340	}	396	}
341		397
342	sub write_runtime {	398	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		399
345	my $runtime = cf::localdir . "/runtime";	400	Executes the given code block with the given arguments in a seperate
		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.
346		404
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	=cut
348	or return;
349		406
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	407	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	408	my ($cb, @args) = @_;
352	and return;
353		409
354	aio_fsync $fh	410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
355	and return;	411	# or die "socketpair: $!";
		412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
356		414
		415	if (my $pid = fork) {
357	close $fh	416	close $fh2;
358	or return;
359		417
360	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
361	and return;	419	$res = Coro::Storable::thaw $res;
362		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
363	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		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 });
364	}	567	}
365		568
366	=back	569	=back
367		570
368	=cut	571	=cut
…		…
375	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")
376	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
377		580
378	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>
379	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
380	crossfire+).	583	Crossfire TRT).
381		584
382	=over 4	585	=over 4
383		586
384	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
385		588
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	702	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	703	our @CB_MAP = ();
501		704
502	my %attachment;	705	my %attachment;
503		706
		707	sub cf::attachable::thawer_merge {
		708	# simply override everything except _meta
		709	local $_[0]{_meta};
		710	%{$_[0]} = %{$_[1]};
		711	}
		712
504	sub _attach_cb($$$$) {	713	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	714	my ($registry, $event, $prio, $cb) = @_;
506		715
507	use sort 'stable';	716	use sort 'stable';
508		717
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
543		752
544	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		757
549	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	759	my $pkg = shift @arg;
551		760
552	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
582	}	791	}
583		792
584	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
585	} else {	794	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	796	}
588		797
589	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
590	}	799	}
591		800
…		…
593	if (ref $_[0]) {	802	if (ref $_[0]) {
594	_object_attach @_;	803	_object_attach @_;
595	} else {	804	} else {
596	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
597	}	806	}
		807	_recalc_want;
598	};	808	};
599		809
600	# all those should be optimised	810	# all those should be optimised
601	sub cf::attachable::detach {	811	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
606	reattach ($obj);	816	reattach ($obj);
607	} else {	817	} else {
608	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
609	}	819	}
		820	_recalc_want;
610	};	821	};
611		822
612	sub cf::attachable::attached {	823	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
614		825
…		…
679	# object support	890	# object support
680		891
681	sub reattach {	892	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	893	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	894	my ($obj) = @_;
		895
		896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		897
685	my $registry = $obj->registry;	898	my $registry = $obj->registry;
686		899
687	@$registry = ();	900	@$registry = ();
688		901
…		…
735	$filename, length $$rdata, scalar @$objs;	948	$filename, length $$rdata, scalar @$objs;
736		949
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	951	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	953	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	954	close $fh;
742		955
743	if (@$objs) {	956	if (@$objs) {
744	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) {
745	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	959	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	960	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	962	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	963	aio_rename "$filename.pst~", "$filename.pst";
751	}	964	}
752	} else {	965	} else {
753	aio_unlink "$filename.pst";	966	aio_unlink "$filename.pst";
…		…
785	or return;	998	or return;
786	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1000	}
788		1001
789	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
791	return ($data, $av);	1004	return ($data, $av);
792	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
793		1012
794	#############################################################################	1013	#############################################################################
795	# command handling &c	1014	# command handling &c
796		1015
797	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1030	}
812		1031
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1033
815	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.
816		1035
817	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
818	called.	1037	called.
819		1038
820	=cut	1039	=cut
…		…
855		1074
856	cf::override;	1075	cf::override;
857	},	1076	},
858	);	1077	);
859		1078
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
895	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1084	next unless -r $path;
897	eval {	1085
898	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;
899	1	1143	}
900	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
901	}	1149	};
902	}	1150	}
903		1151
904	#############################################################################	1152	#############################################################################
905	# load/save/clean perl data associated with a map
906		1153
907	*cf::mapsupport::on_clean = sub {	1154	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1155
920	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
921		1157
922	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
923		1159
…		…
936	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
937		1173
938	=cut	1174	=cut
939		1175
940	sub playerdir($) {	1176	sub playerdir($) {
941	cf::localdir	1177	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1179	}
947		1180
948	sub path($) {	1181	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1183
951	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
952	}	1185	}
953		1186
954	sub find_active($) {	1187	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
959		1192
960	sub exists($) {	1193	sub exists($) {
961	my ($login) = @_;	1194	my ($login) = @_;
962		1195
963	$cf::PLAYER{$login}	1196	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1197	or cf::sync_job { !aio_stat path $login }
965	}	1198	}
966		1199
967	sub find($) {	1200	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1201	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1202	my $login = $_[0];
970		1203
971	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
972		1205
973	$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
974	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
975	or return;	1215	or return;
976	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
977	}	1217	}
978	}	1218	}
…		…
1015		1255
1016	=cut	1256	=cut
1017		1257
1018	sub quit_character {	1258	sub quit_character {
1019	my ($pl) = @_;	1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
1020		1262
1021	$pl->{deny_save} = 1;	1263	$pl->{deny_save} = 1;
1022	$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
1023		1265
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1271	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1272	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1273	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1274	delete $cf::PLAYER{$pl->ob->name};
1033	$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
1034	IO::AIO::aio_rmtree $temp;	1282	IO::AIO::aio_rmtree $temp;
		1283	}
		1284
		1285	=item $pl->kick
		1286
		1287	Kicks a player out of the game. This destroys the connection.
		1288
		1289	=cut
		1290
		1291	sub kick {
		1292	my ($pl, $kicker) = @_;
		1293
		1294	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1295	$pl->killer ("kicked");
		1296	$pl->ns->destroy;
1035	}	1297	}
1036		1298
1037	=item cf::player::list_logins	1299	=item cf::player::list_logins
1038		1300
1039	Returns am arrayref of all valid playernames in the system, can take a	1301	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1041		1303
1042	=cut	1304	=cut
1043		1305
1044	sub list_logins {	1306	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1308	or return [];
1047		1309
1048	my @logins;	1310	my @logins;
1049		1311
1050	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
…		…
1067	=cut	1329	=cut
1068		1330
1069	sub maps($) {	1331	sub maps($) {
1070	my ($pl) = @_;	1332	my ($pl) = @_;
1071		1333
		1334	$pl = ref $pl ? $pl->ob->name : $pl;
		1335
1072	my $files = aio_readdir playerdir $pl	1336	my $files = aio_readdir playerdir $pl
1073	or return;	1337	or return;
1074		1338
1075	my @paths;	1339	my @paths;
1076		1340
1077	for (@$files) {	1341	for (@$files) {
1078	utf8::decode $_;	1342	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1343	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1344	next unless /^$PATH_SEP/o;
1081		1345
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1346	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1347	}
1084		1348
1085	\@paths	1349	\@paths
1086	}	1350	}
1087		1351
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1352	=item $player->ext_reply ($msgid, %msg)
1089		1353
1090	Sends an ext reply to the player.	1354	Sends an ext reply to the player.
1091		1355
1092	=cut	1356	=cut
1093		1357
1094	sub ext_reply($$$%) {	1358	sub ext_reply($$%) {
1095	my ($self, $id, %msg) = @_;	1359	my ($self, $id, %msg) = @_;
1096		1360
1097	$msg{msgid} = $id;	1361	$msg{msgid} = $id;
1098		1362
1099	$self->send ("ext " . cf::to_json \%msg);	1363	$self->send ("ext " . cf::to_json \%msg);
1100	}	1364	}
1101		1365
1102	package cf;	1366	=item $player->ext_event ($type, %msg)
		1367
		1368	Sends an ext event to the client.
		1369
		1370	=cut
		1371
		1372	sub ext_event($$%) {
		1373	my ($self, $type, %msg) = @_;
		1374
		1375	$self->ns->ext_event ($type, %msg);
		1376	}
		1377
		1378	=head3 cf::region
		1379
		1380	=over 4
		1381
		1382	=cut
		1383
		1384	package cf::region;
		1385
		1386	=item cf::region::find_by_path $path
		1387
		1388	Tries to decuce the likely region for a map knowing only its path.
		1389
		1390	=cut
		1391
		1392	sub find_by_path($) {
		1393	my ($path) = @_;
		1394
		1395	my ($match, $specificity);
		1396
		1397	for my $region (list) {
		1398	if ($region->match && $path =~ $region->match) {
		1399	($match, $specificity) = ($region, $region->specificity)
		1400	if $region->specificity > $specificity;
		1401	}
		1402	}
		1403
		1404	$match
		1405	}
1103		1406
1104	=back	1407	=back
1105
1106		1408
1107	=head3 cf::map	1409	=head3 cf::map
1108		1410
1109	=over 4	1411	=over 4
1110		1412
…		…
1114		1416
1115	use Fcntl;	1417	use Fcntl;
1116	use Coro::AIO;	1418	use Coro::AIO;
1117		1419
1118	use overload	1420	use overload
1119	'""' => \&as_string;	1421	'""' => \&as_string,
		1422	fallback => 1;
1120		1423
1121	our $MAX_RESET = 3600;	1424	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1425	our $DEFAULT_RESET = 3000;
1123		1426
1124	sub generate_random_map {	1427	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1428	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1429	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1430	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1440	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1441	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1442	)
1141	}	1443	}
1142		1444
		1445	=item cf::map->register ($regex, $prio)
		1446
		1447	Register a handler for the map path matching the given regex at the
		1448	givne priority (higher is better, built-in handlers have priority 0, the
		1449	default).
		1450
		1451	=cut
		1452
1143	sub register {	1453	sub register {
1144	my (undef, $regex) = @_;	1454	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1455	my $pkg = caller;
1146		1456
1147	no strict;	1457	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1458	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1459
1150	$EXT_MAP{$pkg} = qr<$regex>;	1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1461	}
1152		1462
1153	# also paths starting with '/'	1463	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1465
		1466	sub thawer_merge {
		1467	my ($self, $merge) = @_;
		1468
		1469	# we have to keep some variables in memory intact
		1470	local $self->{path};
		1471	local $self->{load_path};
		1472
		1473	$self->SUPER::thawer_merge ($merge);
		1474	}
1155		1475
1156	sub normalise {	1476	sub normalise {
1157	my ($path, $base) = @_;	1477	my ($path, $base) = @_;
		1478
		1479	$path = "$path"; # make sure its a string
		1480
		1481	$path =~ s/\.map$//;
1158		1482
1159	# map plan:	1483	# map plan:
1160	#	1484	#
1161	# /! non-realised random map exit (special hack!)	1485	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1486	# {... are special paths that are not being touched
…		…
1190		1514
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1515	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1516
1193	$path = normalise $path, $base;	1517	$path = normalise $path, $base;
1194		1518
1195	for my $pkg (keys %EXT_MAP) {	1519	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1520	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1521	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1522	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1523	$self->init; # pass $1 etc.
1200	return $self;	1524	return $self;
1201	}	1525	}
1202	}	1526	}
1203		1527
1204	Carp::carp "unable to resolve path '$path'.";	1528	Carp::carp "unable to resolve path '$path' (base '$base').";
1205	()	1529	()
1206	}	1530	}
1207		1531
1208	sub init {	1532	sub init {
1209	my ($self) = @_;	1533	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1544	# the displayed name, this is a one way mapping
1221	sub visible_name {	1545	sub visible_name {
1222	&as_string	1546	&as_string
1223	}	1547	}
1224		1548
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1549	# the original (read-only) location
1233	sub load_path {	1550	sub load_path {
1234	my ($self) = @_;	1551	my ($self) = @_;
1235		1552
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1553	"$MAPDIR/$self->{path}.map"
1237	}	1554	}
1238		1555
1239	# the temporary/swap location	1556	# the temporary/swap location
1240	sub save_path {	1557	sub save_path {
1241	my ($self) = @_;	1558	my ($self) = @_;
1242		1559
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1561	"$TMPDIR/$path.map"
1244	}	1562	}
1245		1563
1246	# the unique path, undef == no special unique path	1564	# the unique path, undef == no special unique path
1247	sub uniq_path {	1565	sub uniq_path {
1248	my ($self) = @_;	1566	my ($self) = @_;
1249		1567
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1569	"$UNIQUEDIR/$path"
1251	}	1570	}
1252		1571
1253	# and all this just because we cannot iterate over	1572	# and all this just because we cannot iterate over
1254	# all maps in C++...	1573	# all maps in C++...
1255	sub change_all_map_light {	1574	sub change_all_map_light {
…		…
1257		1576
1258	$_->change_map_light ($change)	1577	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1578	for grep $_->outdoor, values %cf::MAP;
1260	}	1579	}
1261		1580
		1581	sub decay_objects {
		1582	my ($self) = @_;
		1583
		1584	return if $self->{deny_reset};
		1585
		1586	$self->do_decay_objects;
		1587	}
		1588
1262	sub unlink_save {	1589	sub unlink_save {
1263	my ($self) = @_;	1590	my ($self) = @_;
1264		1591
1265	utf8::encode (my $save = $self->save_path);	1592	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1593	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1594	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1595	}
1269		1596
1270	sub load_header_from($) {	1597	sub load_header_from($) {
1271	my ($self, $path) = @_;	1598	my ($self, $path) = @_;
1272		1599
1273	utf8::encode $path;	1600	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1601	#aio_open $path, O_RDONLY, 0
1275	or return;	1602	# or return;
1276		1603
1277	$self->_load_header ($path)	1604	$self->_load_header ($path)
1278	or return;	1605	or return;
1279		1606
1280	$self->{load_path} = $path;	1607	$self->{load_path} = $path;
1281		1608
1282	1	1609	1
1283	}	1610	}
1284		1611
1285	sub load_orig {	1612	sub load_header_orig {
1286	my ($self) = @_;	1613	my ($self) = @_;
1287		1614
1288	$self->load_header_from ($self->load_path)	1615	$self->load_header_from ($self->load_path)
1289	}	1616	}
1290		1617
1291	sub load_temp {	1618	sub load_header_temp {
1292	my ($self) = @_;	1619	my ($self) = @_;
1293		1620
1294	$self->load_header_from ($self->save_path)	1621	$self->load_header_from ($self->save_path)
		1622	}
		1623
		1624	sub prepare_temp {
		1625	my ($self) = @_;
		1626
		1627	$self->last_access ((delete $self->{last_access})
		1628	|| $cf::RUNTIME); #d#
		1629	# safety
		1630	$self->{instantiate_time} = $cf::RUNTIME
		1631	if $self->{instantiate_time} > $cf::RUNTIME;
		1632	}
		1633
		1634	sub prepare_orig {
		1635	my ($self) = @_;
		1636
		1637	$self->{load_original} = 1;
		1638	$self->{instantiate_time} = $cf::RUNTIME;
		1639	$self->last_access ($cf::RUNTIME);
		1640	$self->instantiate;
1295	}	1641	}
1296		1642
1297	sub load_header {	1643	sub load_header {
1298	my ($self) = @_;	1644	my ($self) = @_;
1299		1645
1300	if ($self->load_temp) {	1646	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1647	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1648	} else {
1307	$self->load_orig	1649	$self->load_header_orig
1308	or return;	1650	or return;
1309		1651	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1652	}
		1653
		1654	$self->{deny_reset} = 1
		1655	if $self->no_reset;
		1656
		1657	$self->default_region (cf::region::find_by_path $self->{path})
		1658	unless $self->default_region;
1315		1659
1316	1	1660	1
1317	}	1661	}
1318		1662
1319	sub find;	1663	sub find;
…		…
1332	$map->{last_save} = $cf::RUNTIME;	1676	$map->{last_save} = $cf::RUNTIME;
1333		1677
1334	$map->load_header	1678	$map->load_header
1335	or return;	1679	or return;
1336		1680
1337	if ($map->should_reset) {	1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1682	# doing this can freeze the server in a sync job, obviously
		1683	#$cf::WAIT_FOR_TICK->wait;
1338	$map->reset;	1684	$map->reset;
1339	undef $guard;	1685	undef $guard;
1340	$map = find $path	1686	return find $path;
1341	or return;
1342	}	1687	}
1343		1688
1344	$cf::MAP{$path} = $map	1689	$cf::MAP{$path} = $map
1345	}	1690	}
1346	}	1691	}
		1692
		1693	sub pre_load { }
		1694	sub post_load { }
1347		1695
1348	sub load {	1696	sub load {
1349	my ($self) = @_;	1697	my ($self) = @_;
1350		1698
		1699	local $self->{deny_reset} = 1; # loading can take a long time
		1700
1351	my $path = $self->{path};	1701	my $path = $self->{path};
		1702
		1703	{
1352	my $guard = cf::lock_acquire "map_load:$path";	1704	my $guard = cf::lock_acquire "map_load:$path";
1353		1705
1354	return if $self->in_memory != cf::MAP_SWAPPED;	1706	return if $self->in_memory != cf::MAP_SWAPPED;
1355		1707
1356	$self->in_memory (cf::MAP_LOADING);	1708	$self->in_memory (cf::MAP_LOADING);
1357		1709
1358	$self->alloc;	1710	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)
1360	or return;
1361		1711
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1712	$self->pre_load;
1363	if delete $self->{load_original};
1364
1365	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {
1368	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);
1370	}
1371	}
1372
1373	Coro::cede;
1374
1375	# now do the right thing for maps
1376	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;	1713	Coro::cede;
1383	$self->set_darkness_map;	1714
		1715	$self->_load_objects ($self->{load_path}, 1)
		1716	or return;
		1717
		1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1719	if delete $self->{load_original};
		1720
		1721	if (my $uniq = $self->uniq_path) {
		1722	utf8::encode $uniq;
		1723	if (aio_open $uniq, O_RDONLY, 0) {
		1724	$self->clear_unique_items;
		1725	$self->_load_objects ($uniq, 0);
		1726	}
		1727	}
		1728
		1729	Coro::cede;
		1730	# now do the right thing for maps
		1731	$self->link_multipart_objects;
1384	$self->difficulty ($self->estimate_difficulty)	1732	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1733	unless $self->difficulty;
1386	Coro::cede;	1734	Coro::cede;
		1735
		1736	unless ($self->{deny_activate}) {
		1737	$self->decay_objects;
		1738	$self->fix_auto_apply;
		1739	$self->update_buttons;
		1740	Coro::cede;
		1741	$self->set_darkness_map;
		1742	Coro::cede;
1387	$self->activate;	1743	$self->activate;
1388	}	1744	}
1389		1745
1390	$self->in_memory (cf::MAP_IN_MEMORY);	1746	$self->in_memory (cf::MAP_IN_MEMORY);
		1747	}
		1748
		1749	$self->post_load;
1391	}	1750	}
1392		1751
1393	sub customise_for {	1752	sub customise_for {
1394	my ($self, $ob) = @_;	1753	my ($self, $ob) = @_;
1395		1754
1396	return find "~" . $ob->name . "/" . $self->{path}	1755	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	1756	if $self->per_player;
		1757
		1758	# return find "?party/" . $ob->name . "/" . $self->{path}
		1759	# if $self->per_party;
1398		1760
1399	$self	1761	$self
1400	}	1762	}
1401		1763
1402	# find and load all maps in the 3x3 area around a map	1764	# find and load all maps in the 3x3 area around a map
…		…
1434		1796
1435	cf::sync_job { $map->load };	1797	cf::sync_job { $map->load };
1436	}	1798	}
1437		1799
1438	our %MAP_PREFETCH;	1800	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	1801	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		1802
1452	sub find_async {	1803	sub find_async {
1453	my ($path, $origin) = @_;	1804	my ($path, $origin) = @_;
1454		1805
1455	$path = normalise $path, $origin && $origin->{path};	1806	$path = normalise $path, $origin && $origin->{path};
1456		1807
1457	if (my $map = $cf::MAP{$path}) {	1808	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1459	}	1810	}
1460		1811
1461	$MAP_PREFETCH{$path} = 0;	1812	undef $MAP_PREFETCH{$path};
		1813	$MAP_PREFETCHER ||= cf::async {
		1814	while (%MAP_PREFETCH) {
		1815	for my $path (keys %MAP_PREFETCH) {
		1816	my $map = find $path
		1817	or next;
		1818	$map->load;
		1819
		1820	delete $MAP_PREFETCH{$path};
		1821	}
		1822	}
		1823	undef $MAP_PREFETCHER;
		1824	};
1462	$MAP_PREFETCHER->ready;	1825	$MAP_PREFETCHER->prio (6);
1463		1826
1464	()	1827	()
1465	}	1828	}
1466		1829
1467	sub save {	1830	sub save {
…		…
1512		1875
1513	sub reset_at {	1876	sub reset_at {
1514	my ($self) = @_;	1877	my ($self) = @_;
1515		1878
1516	# TODO: safety, remove and allow resettable per-player maps	1879	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	1880	return 1e99 if $self->{deny_reset};
1519		1881
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1882	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1883	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		1884
…		…
1527	my ($self) = @_;	1889	my ($self) = @_;
1528		1890
1529	$self->reset_at <= $cf::RUNTIME	1891	$self->reset_at <= $cf::RUNTIME
1530	}	1892	}
1531		1893
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	1894	sub reset {
1547	my ($self) = @_;	1895	my ($self) = @_;
1548		1896
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	1897	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		1898
1551	return if $self->players;	1899	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		1900
1554	warn "resetting map ", $self->path;#d#	1901	warn "resetting map ", $self->path;
		1902
		1903	$self->in_memory (cf::MAP_SWAPPED);
		1904
		1905	# need to save uniques path
		1906	unless ($self->{deny_save}) {
		1907	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1908
		1909	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1910	if $uniq;
		1911	}
1555		1912
1556	delete $cf::MAP{$self->path};	1913	delete $cf::MAP{$self->path};
		1914
		1915	$self->clear;
1557		1916
1558	$_->clear_links_to ($self) for values %cf::MAP;	1917	$_->clear_links_to ($self) for values %cf::MAP;
1559		1918
1560	$self->unlink_save;	1919	$self->unlink_save;
1561	$self->destroy;	1920	$self->destroy;
…		…
1564	my $nuke_counter = "aaaa";	1923	my $nuke_counter = "aaaa";
1565		1924
1566	sub nuke {	1925	sub nuke {
1567	my ($self) = @_;	1926	my ($self) = @_;
1568		1927
		1928	delete $cf::MAP{$self->path};
		1929
		1930	$self->unlink_save;
		1931
		1932	bless $self, "cf::map";
		1933	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	1934	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	1935	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1937
		1938	$cf::MAP{$self->path} = $self;
		1939
1572	$self->reset; # polite request, might not happen	1940	$self->reset; # polite request, might not happen
		1941	}
		1942
		1943	=item $maps = cf::map::tmp_maps
		1944
		1945	Returns an arrayref with all map paths of currently instantiated and saved
		1946	maps. May block.
		1947
		1948	=cut
		1949
		1950	sub tmp_maps() {
		1951	[
		1952	map {
		1953	utf8::decode $_;
		1954	/\.map$/
		1955	? normalise $_
		1956	: ()
		1957	} @{ aio_readdir $TMPDIR or [] }
		1958	]
		1959	}
		1960
		1961	=item $maps = cf::map::random_maps
		1962
		1963	Returns an arrayref with all map paths of currently instantiated and saved
		1964	random maps. May block.
		1965
		1966	=cut
		1967
		1968	sub random_maps() {
		1969	[
		1970	map {
		1971	utf8::decode $_;
		1972	/\.map$/
		1973	? normalise "?random/$_"
		1974	: ()
		1975	} @{ aio_readdir $RANDOMDIR or [] }
		1976	]
1573	}	1977	}
1574		1978
1575	=item cf::map::unique_maps	1979	=item cf::map::unique_maps
1576		1980
1577	Returns an arrayref of paths of all shared maps that have	1981	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	1982	instantiated unique items. May block.
1579		1983
1580	=cut	1984	=cut
1581		1985
1582	sub unique_maps() {	1986	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1987	[
1584	or return;	1988	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	1989	utf8::decode $_;
1590	next if /\.pst$/;	1990	/\.map$/
1591	next unless /^$PATH_SEP/o;	1991	? normalise $_
1592		1992	: ()
1593	push @paths, $_;	1993	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	1994	]
1595
1596	\@paths
1597	}	1995	}
1598		1996
1599	package cf;	1997	package cf;
1600		1998
1601	=back	1999	=back
…		…
1692	=cut	2090	=cut
1693		2091
1694	sub link_map {	2092	sub link_map {
1695	unless ($LINK_MAP) {	2093	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2094	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2095	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2096	$LINK_MAP->load;
1699	}	2097	}
1700		2098
1701	$LINK_MAP	2099	$LINK_MAP
1702	}	2100	}
…		…
1707	$self->deactivate_recursive;	2105	$self->deactivate_recursive;
1708		2106
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2107	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2108
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2109	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2110	if $self->map && $self->map->{path} ne "{link}";
1713		2111
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2112	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2113	}
1716		2114
1717	sub cf::object::player::leave_link {	2115	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2116	my ($self, $map, $x, $y) = @_;
		2117
		2118	return unless $self->contr->active;
1719		2119
1720	my $link_pos = delete $self->{_link_pos};	2120	my $link_pos = delete $self->{_link_pos};
1721		2121
1722	unless ($map) {	2122	unless ($map) {
1723	# restore original map position	2123	# restore original map position
…		…
1741	$map->load;	2141	$map->load;
1742	$map->load_diag;	2142	$map->load_diag;
1743		2143
1744	return unless $self->contr->active;	2144	return unless $self->contr->active;
1745	$self->activate_recursive;	2145	$self->activate_recursive;
		2146
		2147	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2148	$self->enter_map ($map, $x, $y);
1747	}	2149	}
1748		2150
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($pl) = @_;
1752
1753	# abort map switching before logout
1754	if ($pl->ob->{_link_pos}) {
1755	cf::sync_job {
1756	$pl->ob->leave_link
1757	};
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)	2151	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1782		2152
		2153	Moves the player to the given map-path and coordinates by first freezing
		2154	her, loading and preparing them map, calling the provided $check callback
		2155	that has to return the map if sucecssful, and then unfreezes the player on
		2156	the new (success) or old (failed) map position.
		2157
1783	=cut	2158	=cut
		2159
		2160	our $GOTOGEN;
1784		2161
1785	sub cf::object::player::goto {	2162	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2163	my ($self, $path, $x, $y, $check) = @_;
		2164
		2165	# do generation counting so two concurrent goto's will be executed in-order
		2166	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2167
1788	$self->enter_link;	2168	$self->enter_link;
1789		2169
1790	(async {	2170	(async {
		2171	my $map = eval {
1791	my $map = cf::map::find $path;	2172	my $map = cf::map::find $path;
		2173
		2174	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2175	$map = $map->customise_for ($self);
1793		2176	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2177	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2178	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2179	}
1798		2180
		2181	$map
		2182	};
		2183
		2184	if ($@) {
		2185	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2186	LOG llevError | logBacktrace, Carp::longmess $@;
		2187	}
		2188
		2189	if ($gen == $self->{_goto_generation}) {
		2190	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2191	$self->leave_link ($map, $x, $y);
		2192	}
1800	})->prio (1);	2193	})->prio (1);
1801	}	2194	}
1802		2195
1803	=item $player_object->enter_exit ($exit_object)	2196	=item $player_object->enter_exit ($exit_object)
1804		2197
…		…
1806		2199
1807	sub parse_random_map_params {	2200	sub parse_random_map_params {
1808	my ($spec) = @_;	2201	my ($spec) = @_;
1809		2202
1810	my $rmp = { # defaults	2203	my $rmp = { # defaults
1811	xsize => 10,	2204	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2205	ysize => (cf::rndm 15, 40),
		2206	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2207	#layout => string,
1813	};	2208	};
1814		2209
1815	for (split /\n/, $spec) {	2210	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2211	my ($k, $v) = split /\s+/, $_, 2;
1817		2212
…		…
1821	$rmp	2216	$rmp
1822	}	2217	}
1823		2218
1824	sub prepare_random_map {	2219	sub prepare_random_map {
1825	my ($exit) = @_;	2220	my ($exit) = @_;
		2221
		2222	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2223
1827	# all this does is basically replace the /! path by	2224	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2225	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2226	# that depends on the exit object
1830		2227
1831	my $rmp = parse_random_map_params $exit->msg;	2228	my $rmp = parse_random_map_params $exit->msg;
1832		2229
1833	if ($exit->map) {	2230	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2231	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2232	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2233	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2234	$rmp->{origin_y} = $exit->y;
1838	}	2235	}
1839		2236
1840	$rmp->{random_seed} ||= $exit->random_seed;	2237	$rmp->{random_seed} ||= $exit->random_seed;
1841		2238
1842	my $data = cf::to_json $rmp;	2239	my $data = cf::to_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2240	my $md5 = Digest::MD5::md5_hex $data;
		2241	my $meta = "$RANDOMDIR/$md5.meta";
1844		2242
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2243	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2244	aio_write $fh, 0, (length $data), $data, 0;
		2245	undef $fh;
		2246	aio_rename "$meta~", $meta;
1847		2247
1848	$exit->slaying ("?random/$md5");	2248	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2249	$exit->msg (undef);
1850	}	2250	}
1851	}	2251	}
1852		2252
1853	sub cf::object::player::enter_exit {	2253	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2254	my ($self, $exit) = @_;
1855		2255
1856	return unless $self->type == cf::PLAYER;	2256	return unless $self->type == cf::PLAYER;
		2257
		2258	if ($exit->slaying eq "/!") {
		2259	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2260	# the problem is that $exit might not survive long enough
		2261	# so it needs to be done right now, right here
		2262	cf::sync_job { prepare_random_map $exit };
		2263	}
		2264
		2265	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2266	my $hp = $exit->stats->hp;
		2267	my $sp = $exit->stats->sp;
1857		2268
1858	$self->enter_link;	2269	$self->enter_link;
1859		2270
1860	(async {	2271	(async {
1861	$self->deactivate_recursive; # just to be sure	2272	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2273	unless (eval {
1863	prepare_random_map $exit	2274	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2275
1869	1;	2276	1;
1870	}) {	2277	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2278	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2279	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2280	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2281	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2282
1876	warn "ERROR in enter_exit: $@";	2283	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2284	$self->leave_link;
1878	}	2285	}
1879	})->prio (1);	2286	})->prio (1);
…		…
1892		2299
1893	sub cf::client::send_drawinfo {	2300	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2301	my ($self, $text, $flags) = @_;
1895		2302
1896	utf8::encode $text;	2303	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2304	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2305	}
1899		2306
		2307	=item $client->ext_event ($type, %msg)
		2308
		2309	Sends an exti event to the client.
		2310
		2311	=cut
		2312
		2313	sub cf::client::ext_event($$%) {
		2314	my ($self, $type, %msg) = @_;
		2315
		2316	$msg{msgtype} = "event_$type";
		2317	$self->send_packet ("ext " . cf::to_json \%msg);
		2318	}
1900		2319
1901	=item $success = $client->query ($flags, "text", \&cb)	2320	=item $success = $client->query ($flags, "text", \&cb)
1902		2321
1903	Queues a query to the client, calling the given callback with	2322	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2323	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1933	# get handled first	2352	# get handled first
1934	my $queue = delete $ns->{query_queue}	2353	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2354	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2355
1937	(shift @$queue)->[1]->($msg);	2356	(shift @$queue)->[1]->($msg);
		2357	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2358
1939	push @{ $ns->{query_queue} }, @$queue;	2359	push @{ $ns->{query_queue} }, @$queue;
1940		2360
1941	if (@{ $ns->{query_queue} } == @$queue) {	2361	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2362	if (@$queue) {
…		…
2000		2420
2001	# here we export the classes and methods available to script code	2421	# here we export the classes and methods available to script code
2002		2422
2003	=pod	2423	=pod
2004		2424
2005	The following fucntions and emthods are available within a safe environment:	2425	The following functions and methods are available within a safe environment:
2006		2426
2007	cf::object contr pay_amount pay_player map	2427	cf::object contr pay_amount pay_player map
2008	cf::object::player player	2428	cf::object::player player
2009	cf::player peaceful	2429	cf::player peaceful
2010	cf::map trigger	2430	cf::map trigger
…		…
2091	=back	2511	=back
2092		2512
2093	=cut	2513	=cut
2094		2514
2095	#############################################################################	2515	#############################################################################
		2516	# the server's init and main functions
2096		2517
2097	=head2 EXTENSION DATABASE SUPPORT	2518	sub load_facedata($) {
		2519	my ($path) = @_;
2098		2520
2099	Crossfire maintains a very simple database for extension use. It can	2521	warn "loading facedata from $path\n";
2100	currently store anything that can be serialised using Storable, which
2101	excludes objects.
2102		2522
2103	The parameter C<$family> should best start with the name of the extension	2523	my $facedata;
2104	using it, it should be unique.	2524	0 < aio_load $path, $facedata
		2525	or die "$path: $!";
2105		2526
2106	=over 4	2527	$facedata = Coro::Storable::thaw $facedata;
2107		2528
2108	=item $hashref = cf::db_get $family	2529	$facedata->{version} == 2
		2530	or cf::cleanup "$path: version mismatch, cannot proceed.";
2109		2531
2110	Return a hashref for use by the extension C<$family>, which can be
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113
2114	=item $value = cf::db_get $family => $key
2115
2116	Returns a single value from the database
2117
2118	=item cf::db_put $family => $hashref
2119
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}	2532	{
		2533	my $faces = $facedata->{faceinfo};
2146		2534
2147	my $pid;	2535	while (my ($face, $info) = each %$faces) {
2148		2536	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2149	sub db_save() {	2537	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2150	waitpid $pid, 0 if $pid;	2538	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2151	if (0 == ($pid = fork)) {	2539	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2152	$DB->{_meta}{version} = 1;	2540	Coro::cede;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});
2169
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}
2174
2175	sub db_get($;$) {
2176	@_ >= 2
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180
2181	sub db_put($$;$) {
2182	if (@_ >= 3) {
2183	$DB->{$_[0]}{$_[1]} = $_[2];
2184	} else {
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189
2190	cf::global->attach (
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	2541	}
2195	);
2196	}
2197		2542
2198	#############################################################################	2543	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	2544	next unless $info->{smooth};
		2545	my $idx = cf::face::find $face
		2546	or next;
		2547	if (my $smooth = cf::face::find $info->{smooth}) {
		2548	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2549	} else {
		2550	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2551	}
		2552	Coro::cede;
		2553	}
		2554	}
		2555
		2556	{
		2557	my $anims = $facedata->{animinfo};
		2558
		2559	while (my ($anim, $info) = each %$anims) {
		2560	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2561	Coro::cede;
		2562	}
		2563
		2564	cf::anim::invalidate_all; # d'oh
		2565	}
		2566
		2567	1
		2568	}
		2569
		2570	sub reload_regions {
		2571	load_resource_file "$MAPDIR/regions"
		2572	or die "unable to load regions file\n";
		2573	}
		2574
		2575	sub reload_facedata {
		2576	load_facedata "$DATADIR/facedata"
		2577	or die "unable to load facedata\n";
		2578	}
		2579
		2580	sub reload_archetypes {
		2581	load_resource_file "$DATADIR/archetypes"
		2582	or die "unable to load archetypes\n";
		2583	}
		2584
		2585	sub reload_treasures {
		2586	load_resource_file "$DATADIR/treasures"
		2587	or die "unable to load treasurelists\n";
		2588	}
		2589
		2590	sub reload_resources {
		2591	warn "reloading resource files...\n";
		2592
		2593	reload_regions;
		2594	reload_facedata;
		2595	#reload_archetypes;#d#
		2596	reload_archetypes;
		2597	reload_treasures;
		2598
		2599	warn "finished reloading resource files\n";
		2600	}
		2601
		2602	sub init {
		2603	reload_resources;
		2604	}
2200		2605
2201	sub cfg_load {	2606	sub cfg_load {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	2607	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	2608	or return;
2204		2609
2205	local $/;	2610	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	2611	*CFG = YAML::Syck::Load <$fh>;
2207		2612
…		…
2221		2626
2222	sub main {	2627	sub main {
2223	# we must not ever block the main coroutine	2628	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	2629	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2630	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2631	(async {
2226	async { Event::one_event };	2632	Event::one_event;
		2633	})->prio (Coro::PRIO_MAX);
2227	};	2634	};
2228		2635
2229	cfg_load;	2636	cfg_load;
2230	db_load;	2637	db_init;
2231	load_extensions;	2638	load_extensions;
		2639
		2640	$TICK_WATCHER->start;
2232	Event::loop;	2641	Event::loop;
2233	}	2642	}
2234		2643
2235	#############################################################################	2644	#############################################################################
2236	# initialisation and cleanup	2645	# initialisation and cleanup
2237		2646
2238	# install some emergency cleanup handlers	2647	# install some emergency cleanup handlers
2239	BEGIN {	2648	BEGIN {
2240	for my $signal (qw(INT HUP TERM)) {	2649	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	2650	Event->signal (
		2651	reentrant => 0,
2242	data => WF_AUTOCANCEL,	2652	data => WF_AUTOCANCEL,
2243	signal => $signal,	2653	signal => $signal,
		2654	prio => 0,
2244	cb => sub {	2655	cb => sub {
2245	cf::cleanup "SIG$signal";	2656	cf::cleanup "SIG$signal";
2246	},	2657	},
2247	);	2658	);
2248	}	2659	}
2249	}	2660	}
2250		2661
		2662	sub write_runtime {
		2663	my $runtime = "$LOCALDIR/runtime";
		2664
		2665	# first touch the runtime file to show we are still running:
		2666	# the fsync below can take a very very long time.
		2667
		2668	IO::AIO::aio_utime $runtime, undef, undef;
		2669
		2670	my $guard = cf::lock_acquire "write_runtime";
		2671
		2672	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2673	or return;
		2674
		2675	my $value = $cf::RUNTIME + 90 + 10;
		2676	# 10 is the runtime save interval, for a monotonic clock
		2677	# 60 allows for the watchdog to kill the server.
		2678
		2679	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2680	and return;
		2681
		2682	# always fsync - this file is important
		2683	aio_fsync $fh
		2684	and return;
		2685
		2686	# touch it again to show we are up-to-date
		2687	aio_utime $fh, undef, undef;
		2688
		2689	close $fh
		2690	or return;
		2691
		2692	aio_rename "$runtime~", $runtime
		2693	and return;
		2694
		2695	warn "runtime file written.\n";
		2696
		2697	1
		2698	}
		2699
2251	sub emergency_save() {	2700	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	2701	my $freeze_guard = cf::freeze_mainloop;
2253		2702
2254	warn "enter emergency perl save\n";	2703	warn "enter emergency perl save\n";
2255		2704
2256	cf::sync_job {	2705	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	2706	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	2707	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	2708	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	2709	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	2710	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	2711	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	2712	$pl->valid or next;
2264	$pl->save;	2713	$pl->save;
…		…
2270	my $map = $cf::MAP{$path} or next;	2719	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	2720	$map->valid or next;
2272	$map->save;	2721	$map->save;
2273	}	2722	}
2274	warn "end emergency map save\n";	2723	warn "end emergency map save\n";
		2724
		2725	warn "begin emergency database checkpoint\n";
		2726	BDB::db_env_txn_checkpoint $DB_ENV;
		2727	warn "end emergency database checkpoint\n";
2275	};	2728	};
2276		2729
2277	warn "leave emergency perl save\n";	2730	warn "leave emergency perl save\n";
2278	}	2731	}
2279		2732
		2733	sub post_cleanup {
		2734	my ($make_core) = @_;
		2735
		2736	warn Carp::longmess "post_cleanup backtrace"
		2737	if $make_core;
		2738	}
		2739
2280	sub reload() {	2740	sub do_reload_perl() {
2281	# can/must only be called in main	2741	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	2742	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	2743	warn "can only reload from main coroutine";
2284	return;	2744	return;
2285	}	2745	}
2286		2746
2287	warn "reloading...";	2747	warn "reloading...";
2288		2748
2289	warn "freezing server";	2749	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	2750
		2751	cf::sync_job {
		2752	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	2753	cf::emergency_save;
		2754	cf::write_runtime; # external watchdog should not bark
2292		2755
2293	warn "sync database to disk";	2756	warn "syncing database to disk";
2294	cf::db_sync;	2757	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		2758
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	2759	# if anything goes wrong in here, we should simply crash as we already saved
2299		2760
2300	warn "cancel all watchers";	2761	warn "cancelling all WF_AUTOCANCEL watchers";
2301	for (Event::all_watchers) {	2762	for (Event::all_watchers) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2303	}	2764	}
2304		2765
		2766	warn "flushing outstanding aio requests";
		2767	for (;;) {
		2768	BDB::flush;
		2769	IO::AIO::flush;
		2770	Coro::cede;
		2771	last unless IO::AIO::nreqs || BDB::nreqs;
		2772	warn "iterate...";
		2773	}
		2774
		2775	++$RELOAD;
		2776
2305	warn "cancel all extension coros";	2777	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	2778	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	2779	%EXT_CORO = ();
2308		2780
2309	warn "remove commands";	2781	warn "removing commands";
2310	%COMMAND = ();	2782	%COMMAND = ();
2311		2783
2312	warn "remove ext commands";	2784	warn "removing ext commands";
2313	%EXTCMD = ();	2785	%EXTCMD = ();
2314		2786
2315	warn "unload/nuke all extensions";	2787	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	2788	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	2789	warn "... unloading $pkg";
2318		2790
2319	if (my $cb = $pkg->can ("unload")) {	2791	if (my $cb = $pkg->can ("unload")) {
2320	eval {	2792	eval {
…		…
2325		2797
2326	warn "... nuking $pkg";	2798	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	2799	Symbol::delete_package $pkg;
2328	}	2800	}
2329		2801
2330	warn "unload all perl modules loaded from $LIBDIR";	2802	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	2803	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		2805
2334	warn "removing <$k>";	2806	warn "... unloading $k";
2335	delete $INC{$k};	2807	delete $INC{$k};
2336		2808
2337	$k =~ s/\.pm$//;	2809	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	2810	$k =~ s/\//::/g;
2339		2811
…		…
2342	}	2814	}
2343		2815
2344	Symbol::delete_package $k;	2816	Symbol::delete_package $k;
2345	}	2817	}
2346		2818
2347	warn "get rid of safe::, as good as possible";	2819	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	2820	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		2822
2351	warn "unload cf.pm \"a bit\"";	2823	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	2824	delete $INC{"cf.pm"};
		2825	delete $INC{"cf/pod.pm"};
2353		2826
2354	# don't, removes xs symbols, too,	2827	# don't, removes xs symbols, too,
2355	# and global variables created in xs	2828	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	2829	#Symbol::delete_package __PACKAGE__;
2357		2830
		2831	warn "unload completed, starting to reload now";
		2832
2358	warn "reloading cf.pm";	2833	warn "reloading cf.pm";
2359	require cf;	2834	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		2836
2362	warn "load config and database again";	2837	warn "loading config and database again";
2363	cf::cfg_load;	2838	cf::cfg_load;
2364	cf::db_load;
2365		2839
2366	warn "load extensions";	2840	warn "loading extensions";
2367	cf::load_extensions;	2841	cf::load_extensions;
2368		2842
2369	warn "reattach attachments to objects/players";	2843	warn "reattaching attachments to objects/players";
2370	_global_reattach;	2844	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	2845	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	2846	reattach $_ for values %MAP;
2373	};	2847	warn "reattaching attachments to players";
		2848	reattach $_ for values %PLAYER;
2374		2849
2375	if ($@) {	2850	warn "leaving sync_job";
		2851
		2852	1
		2853	} or do {
2376	warn $@;	2854	warn $@;
2377	warn "error while reloading, exiting.";	2855	warn "error while reloading, exiting.";
2378	exit 1;	2856	exit 1;
2379	}	2857	};
2380		2858
2381	warn "reloaded";	2859	warn "reloaded";
2382	};	2860	};
2383		2861
		2862	our $RELOAD_WATCHER; # used only during reload
		2863
		2864	sub reload_perl() {
		2865	# doing reload synchronously and two reloads happen back-to-back,
		2866	# coro crashes during coro_state_free->destroy here.
		2867
		2868	$RELOAD_WATCHER ||= Event->timer (
		2869	reentrant => 0,
		2870	after => 0,
		2871	data => WF_AUTOCANCEL,
		2872	cb => sub {
		2873	do_reload_perl;
		2874	undef $RELOAD_WATCHER;
		2875	},
		2876	);
		2877	}
		2878
2384	register_command "reload" => sub {	2879	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	2880	my ($who, $arg) = @_;
2386		2881
2387	if ($who->flag (FLAG_WIZ)) {	2882	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	2883	$who->message ("reloading server.");
		2884	async { reload_perl };
2391	}	2885	}
2392	};	2886	};
2393		2887
2394	unshift @INC, $LIBDIR;	2888	unshift @INC, $LIBDIR;
2395		2889
		2890	my $bug_warning = 0;
		2891
		2892	our @WAIT_FOR_TICK;
		2893	our @WAIT_FOR_TICK_BEGIN;
		2894
		2895	sub wait_for_tick {
		2896	return unless $TICK_WATCHER->is_active;
		2897	return if $Coro::current == $Coro::main;
		2898
		2899	my $signal = new Coro::Signal;
		2900	push @WAIT_FOR_TICK, $signal;
		2901	$signal->wait;
		2902	}
		2903
		2904	sub wait_for_tick_begin {
		2905	return unless $TICK_WATCHER->is_active;
		2906	return if $Coro::current == $Coro::main;
		2907
		2908	my $signal = new Coro::Signal;
		2909	push @WAIT_FOR_TICK_BEGIN, $signal;
		2910	$signal->wait;
		2911	}
		2912
		2913	my $min = 1e6;#d#
		2914	my $avg = 10;
2396	$TICK_WATCHER = Event->timer (	2915	$TICK_WATCHER = Event->timer (
2397	reentrant => 0,	2916	reentrant => 0,
		2917	parked => 1,
2398	prio => 0,	2918	prio => 0,
2399	at => $NEXT_TICK || $TICK,	2919	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,	2920	data => WF_AUTOCANCEL,
2401	cb => sub {	2921	cb => sub {
		2922	if ($Coro::current != $Coro::main) {
		2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2924	unless ++$bug_warning > 10;
		2925	return;
		2926	}
		2927
2402	$NOW = Event::time;	2928	$NOW = $tick_start = Event::time;
2403		2929
2404	cf::server_tick; # one server iteration	2930	cf::server_tick; # one server iteration
		2931
		2932	0 && sync_job {#d#
		2933	for(1..10) {
		2934	my $t = Event::time;
		2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2936	or die;
		2937
		2938	$map->width (50);
		2939	$map->height (50);
		2940	$map->alloc;
		2941	$map->_load_objects ("/tmp/x.map", 1);
		2942	my $t = Event::time - $t;
		2943
		2944	#next unless $t < 0.0013;#d#
		2945	if ($t < $min) {
		2946	$min = $t;
		2947	}
		2948	$avg = $avg * 0.99 + $t * 0.01;
		2949	}
		2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2951	exit 0;
		2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2953	};
		2954
2405	$RUNTIME += $TICK;	2955	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	2956	$NEXT_TICK += $TICK;
2407		2957
2408	$WAIT_FOR_TICK->broadcast;	2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2960	Coro::async_pool {
		2961	write_runtime
		2962	or warn "ERROR: unable to write runtime file: $!";
		2963	};
		2964	}
		2965
		2966	# my $AFTER = Event::time;
		2967	# warn $AFTER - $NOW;#d#
		2968
		2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2970	$sig->send;
		2971	}
		2972	while (my $sig = shift @WAIT_FOR_TICK) {
		2973	$sig->send;
		2974	}
		2975
		2976	$NOW = Event::time;
2410		2977
2411	# if we are delayed by four ticks or more, skip them all	2978	# if we are delayed by four ticks or more, skip them all
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2413		2980
2414	$TICK_WATCHER->at ($NEXT_TICK);	2981	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;	2982	$TICK_WATCHER->start;
		2983
		2984	$LOAD = ($NOW - $tick_start) / $TICK;
		2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2986
		2987	_post_tick;
		2988
		2989
2416	},	2990	},
2417	);	2991	);
2418		2992
		2993	{
2419	IO::AIO::max_poll_time $TICK * 0.2;	2994	BDB::max_poll_time $TICK * 0.1;
2420		2995	$BDB_POLL_WATCHER = Event->io (
2421	Event->io (	2996	reentrant => 0,
2422	fd => IO::AIO::poll_fileno,	2997	fd => BDB::poll_fileno,
2423	poll => 'r',	2998	poll => 'r',
2424	prio => 5,	2999	prio => 0,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,	3000	data => WF_AUTOCANCEL,
2431	after => 0,	3001	cb => \&BDB::poll_cb,
2432	interval => 10,	3002	);
2433	cb => sub {	3003	BDB::min_parallel 8;
2434	(Coro::unblock_sub {	3004
2435	write_runtime	3005	BDB::set_sync_prepare {
2436	or warn "ERROR: unable to write runtime file: $!";	3006	my $status;
		3007	my $current = $Coro::current;
		3008	(
		3009	sub {
		3010	$status = $!;
		3011	$current->ready; undef $current;
		3012	},
		3013	sub {
		3014	Coro::schedule while defined $current;
		3015	$! = $status;
		3016	},
		3017	)
		3018	};
		3019
		3020	unless ($DB_ENV) {
		3021	$DB_ENV = BDB::db_env_create;
		3022
		3023	cf::sync_job {
		3024	eval {
		3025	BDB::db_env_open
		3026	$DB_ENV,
		3027	$BDBDIR,
		3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3030	0666;
		3031
		3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3033
		3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3035	$DB_ENV->set_lk_detect;
		3036	};
		3037
		3038	cf::cleanup "db_env_open(db): $@" if $@;
2437	})->();	3039	};
2438	},	3040	}
2439	);	3041	}
		3042
		3043	{
		3044	IO::AIO::min_parallel 8;
		3045
		3046	undef $Coro::AIO::WATCHER;
		3047	IO::AIO::max_poll_time $TICK * 0.1;
		3048	$AIO_POLL_WATCHER = Event->io (
		3049	reentrant => 0,
		3050	data => WF_AUTOCANCEL,
		3051	fd => IO::AIO::poll_fileno,
		3052	poll => 'r',
		3053	prio => 6,
		3054	cb => \&IO::AIO::poll_cb,
		3055	);
		3056	}
		3057
		3058	my $_log_backtrace;
		3059
		3060	sub _log_backtrace {
		3061	my ($msg, @addr) = @_;
		3062
		3063	$msg =~ s/\n//;
		3064
		3065	# limit the # of concurrent backtraces
		3066	if ($_log_backtrace < 2) {
		3067	++$_log_backtrace;
		3068	async {
		3069	my @bt = fork_call {
		3070	@addr = map { sprintf "%x", $_ } @addr;
		3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3073	or die "addr2line: $!";
		3074
		3075	my @funcs;
		3076	my @res = <$fh>;
		3077	chomp for @res;
		3078	while (@res) {
		3079	my ($func, $line) = splice @res, 0, 2, ();
		3080	push @funcs, "[$func] $line";
		3081	}
		3082
		3083	@funcs
		3084	};
		3085
		3086	LOG llevInfo, "[ABT] $msg\n";
		3087	LOG llevInfo, "[ABT] $_\n" for @bt;
		3088	--$_log_backtrace;
		3089	};
		3090	} else {
		3091	LOG llevInfo, "[ABT] $msg\n";
		3092	LOG llevInfo, "[ABT] [suppressed]\n";
		3093	}
		3094	}
		3095
		3096	# load additional modules
		3097	use cf::pod;
2440		3098
2441	END { cf::emergency_save }	3099	END { cf::emergency_save }
2442		3100
2443	1	3101	1
2444		3102

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