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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.282 by elmex, Tue Jun 19 18:15:34 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		1153
		1154	=back
		1155
906	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
907		1157
908	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
909		1159
910	=cut	1160	=cut
…		…
922	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
923		1173
924	=cut	1174	=cut
925		1175
926	sub playerdir($) {	1176	sub playerdir($) {
927	cf::localdir	1177	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1179	}
933		1180
934	sub path($) {	1181	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1183
937	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
938	}	1185	}
939		1186
940	sub find_active($) {	1187	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
945		1192
946	sub exists($) {	1193	sub exists($) {
947	my ($login) = @_;	1194	my ($login) = @_;
948		1195
949	$cf::PLAYER{$login}	1196	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1197	or cf::sync_job { !aio_stat path $login }
951	}	1198	}
952		1199
953	sub find($) {	1200	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1201	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1202	my $login = $_[0];
956		1203
957	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
958		1205
959	$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
960	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
961	or return;	1215	or return;
962	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
963	}	1217	}
964	}	1218	}
…		…
1001		1255
1002	=cut	1256	=cut
1003		1257
1004	sub quit_character {	1258	sub quit_character {
1005	my ($pl) = @_;	1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
1006		1262
1007	$pl->{deny_save} = 1;	1263	$pl->{deny_save} = 1;
1008	$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
1009		1265
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1271	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1272	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1273	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1274	delete $cf::PLAYER{$pl->ob->name};
1019	$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
1020	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;
1021	}	1297	}
1022		1298
1023	=item cf::player::list_logins	1299	=item cf::player::list_logins
1024		1300
1025	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
1026	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1027		1303
1028	=cut	1304	=cut
1029		1305
1030	sub list_logins {	1306	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1308	or return [];
1033		1309
1034	my @logins;	1310	my @logins;
1035		1311
1036	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
…		…
1053	=cut	1329	=cut
1054		1330
1055	sub maps($) {	1331	sub maps($) {
1056	my ($pl) = @_;	1332	my ($pl) = @_;
1057		1333
		1334	$pl = ref $pl ? $pl->ob->name : $pl;
		1335
1058	my $files = aio_readdir playerdir $pl	1336	my $files = aio_readdir playerdir $pl
1059	or return;	1337	or return;
1060		1338
1061	my @paths;	1339	my @paths;
1062		1340
1063	for (@$files) {	1341	for (@$files) {
1064	utf8::decode $_;	1342	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1343	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1344	next unless /^$PATH_SEP/o;
1067		1345
1068	s/\.map$//;	1346	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1347	}
1071		1348
1072	\@paths	1349	\@paths
1073	}	1350	}
1074		1351
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1352	=item $player->ext_reply ($msgid, %msg)
1076		1353
1077	Sends an ext reply to the player.	1354	Sends an ext reply to the player.
1078		1355
1079	=cut	1356	=cut
1080		1357
1081	sub ext_reply($$$%) {	1358	sub ext_reply($$%) {
1082	my ($self, $id, %msg) = @_;	1359	my ($self, $id, %msg) = @_;
1083		1360
1084	$msg{msgid} = $id;	1361	$msg{msgid} = $id;
1085		1362
1086	$self->send ("ext " . cf::to_json \%msg);	1363	$self->send ("ext " . cf::to_json \%msg);
1087	}	1364	}
1088		1365
1089	package cf;	1366	=item $player->ext_event ($type, %msg)
		1367
		1368	Sends an ext event to the client.
		1369
		1370	=cut
		1371
		1372	sub ext_event($$%) {
		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	}
1090		1406
1091	=back	1407	=back
1092
1093		1408
1094	=head3 cf::map	1409	=head3 cf::map
1095		1410
1096	=over 4	1411	=over 4
1097		1412
…		…
1101		1416
1102	use Fcntl;	1417	use Fcntl;
1103	use Coro::AIO;	1418	use Coro::AIO;
1104		1419
1105	use overload	1420	use overload
1106	'""' => \&as_string;	1421	'""' => \&as_string,
		1422	fallback => 1;
1107		1423
1108	our $MAX_RESET = 3600;	1424	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1425	our $DEFAULT_RESET = 3000;
1110		1426
1111	sub generate_random_map {	1427	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1428	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1429	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1430	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1440	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1441	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1442	)
1128	}	1443	}
1129		1444
		1445	=item cf::map->register ($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
1130	sub register {	1453	sub register {
1131	my (undef, $regex) = @_;	1454	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1455	my $pkg = caller;
1133		1456
1134	no strict;	1457	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1458	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1459
1137	$EXT_MAP{$pkg} = qr<$regex>;	1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1461	}
1139		1462
1140	# also paths starting with '/'	1463	# also paths starting with '/'
1141	$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	}
1142		1475
1143	sub normalise {	1476	sub normalise {
1144	my ($path, $base) = @_;	1477	my ($path, $base) = @_;
		1478
		1479	$path = "$path"; # make sure its a string
		1480
		1481	$path =~ s/\.map$//;
1145		1482
1146	# map plan:	1483	# map plan:
1147	#	1484	#
1148	# /! non-realised random map exit (special hack!)	1485	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1486	# {... are special paths that are not being touched
…		…
1177		1514
1178	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
1179		1516
1180	$path = normalise $path, $base;	1517	$path = normalise $path, $base;
1181		1518
1182	for my $pkg (keys %EXT_MAP) {	1519	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1520	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1521	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1522	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1523	$self->init; # pass $1 etc.
1187	return $self;	1524	return $self;
1188	}	1525	}
1189	}	1526	}
1190		1527
1191	Carp::carp "unable to resolve path '$path'.";	1528	Carp::carp "unable to resolve path '$path' (base '$base').";
1192	()	1529	()
1193	}	1530	}
1194		1531
1195	sub init {	1532	sub init {
1196	my ($self) = @_;	1533	my ($self) = @_;
…		…
1211		1548
1212	# the original (read-only) location	1549	# the original (read-only) location
1213	sub load_path {	1550	sub load_path {
1214	my ($self) = @_;	1551	my ($self) = @_;
1215		1552
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1553	"$MAPDIR/$self->{path}.map"
1217	}	1554	}
1218		1555
1219	# the temporary/swap location	1556	# the temporary/swap location
1220	sub save_path {	1557	sub save_path {
1221	my ($self) = @_;	1558	my ($self) = @_;
1222		1559
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1561	"$TMPDIR/$path.map"
1225	}	1562	}
1226		1563
1227	# the unique path, undef == no special unique path	1564	# the unique path, undef == no special unique path
1228	sub uniq_path {	1565	sub uniq_path {
1229	my ($self) = @_;	1566	my ($self) = @_;
1230		1567
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1569	"$UNIQUEDIR/$path"
1233	}	1570	}
1234		1571
1235	# and all this just because we cannot iterate over	1572	# and all this just because we cannot iterate over
1236	# all maps in C++...	1573	# all maps in C++...
1237	sub change_all_map_light {	1574	sub change_all_map_light {
…		…
1239		1576
1240	$_->change_map_light ($change)	1577	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1578	for grep $_->outdoor, values %cf::MAP;
1242	}	1579	}
1243		1580
		1581	sub decay_objects {
		1582	my ($self) = @_;
		1583
		1584	return if $self->{deny_reset};
		1585
		1586	$self->do_decay_objects;
		1587	}
		1588
1244	sub unlink_save {	1589	sub unlink_save {
1245	my ($self) = @_;	1590	my ($self) = @_;
1246		1591
1247	utf8::encode (my $save = $self->save_path);	1592	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1593	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1594	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1595	}
1251		1596
1252	sub load_header_from($) {	1597	sub load_header_from($) {
1253	my ($self, $path) = @_;	1598	my ($self, $path) = @_;
1254		1599
1255	utf8::encode $path;	1600	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1601	#aio_open $path, O_RDONLY, 0
1257	or return;	1602	# or return;
1258		1603
1259	$self->_load_header ($path)	1604	$self->_load_header ($path)
1260	or return;	1605	or return;
1261		1606
1262	$self->{load_path} = $path;	1607	$self->{load_path} = $path;
1263		1608
1264	1	1609	1
1265	}	1610	}
1266		1611
1267	sub load_orig {	1612	sub load_header_orig {
1268	my ($self) = @_;	1613	my ($self) = @_;
1269		1614
1270	$self->load_header_from ($self->load_path)	1615	$self->load_header_from ($self->load_path)
1271	}	1616	}
1272		1617
1273	sub load_temp {	1618	sub load_header_temp {
1274	my ($self) = @_;	1619	my ($self) = @_;
1275		1620
1276	$self->load_header_from ($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	$self->instantiate;
1277	}	1641	}
1278		1642
1279	sub load_header {	1643	sub load_header {
1280	my ($self) = @_;	1644	my ($self) = @_;
1281		1645
1282	if ($self->load_temp) {	1646	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1647	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1648	} else {
1289	$self->load_orig	1649	$self->load_header_orig
1290	or return;	1650	or return;
1291		1651	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	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;
1297		1659
1298	1	1660	1
1299	}	1661	}
1300		1662
1301	sub find;	1663	sub find;
…		…
1314	$map->{last_save} = $cf::RUNTIME;	1676	$map->{last_save} = $cf::RUNTIME;
1315		1677
1316	$map->load_header	1678	$map->load_header
1317	or return;	1679	or return;
1318		1680
1319	if ($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;
1320	$map->reset;	1684	$map->reset;
1321	undef $guard;	1685	undef $guard;
1322	$map = find $path	1686	return find $path;
1323	or return;
1324	}	1687	}
1325		1688
1326	$cf::MAP{$path} = $map	1689	$cf::MAP{$path} = $map
1327	}	1690	}
1328	}	1691	}
		1692
		1693	sub pre_load { }
		1694	sub post_load { }
1329		1695
1330	sub load {	1696	sub load {
1331	my ($self) = @_;	1697	my ($self) = @_;
1332		1698
		1699	local $self->{deny_reset} = 1; # loading can take a long time
		1700
1333	my $path = $self->{path};	1701	my $path = $self->{path};
		1702
		1703	{
1334	my $guard = cf::lock_acquire "map_load:$path";	1704	my $guard = cf::lock_acquire "map_load:$path";
1335		1705
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1706	return if $self->in_memory != cf::MAP_SWAPPED;
1337		1707
1338	$self->in_memory (cf::MAP_LOADING);	1708	$self->in_memory (cf::MAP_LOADING);
1339		1709
1340	$self->alloc;	1710	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)
1342	or return;
1343		1711
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1712	$self->pre_load;
1345	if delete $self->{load_original};
1346
1347	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {
1350	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);
1352	}
1353	}
1354
1355	Coro::cede;
1356
1357	# now do the right thing for maps
1358	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;	1713	Coro::cede;
1365	$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;
1366	$self->difficulty ($self->estimate_difficulty)	1732	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1733	unless $self->difficulty;
1368	Coro::cede;	1734	Coro::cede;
		1735
		1736	unless ($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;
1369	$self->activate;	1743	$self->activate;
1370	}	1744	}
1371		1745
1372	$self->in_memory (cf::MAP_IN_MEMORY);	1746	$self->in_memory (cf::MAP_IN_MEMORY);
		1747	}
		1748
		1749	$self->post_load;
1373	}	1750	}
1374		1751
1375	sub customise_for {	1752	sub customise_for {
1376	my ($self, $ob) = @_;	1753	my ($self, $ob) = @_;
1377		1754
1378	return find "~" . $ob->name . "/" . $self->{path}	1755	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	1756	if $self->per_player;
		1757
		1758	# return find "?party/" . $ob->name . "/" . $self->{path}
		1759	# if $self->per_party;
1380		1760
1381	$self	1761	$self
1382	}	1762	}
1383		1763
1384	# 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
…		…
1416		1796
1417	cf::sync_job { $map->load };	1797	cf::sync_job { $map->load };
1418	}	1798	}
1419		1799
1420	our %MAP_PREFETCH;	1800	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	1801	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		1802
1434	sub find_async {	1803	sub find_async {
1435	my ($path, $origin) = @_;	1804	my ($path, $origin) = @_;
1436		1805
1437	$path = normalise $path, $origin && $origin->{path};	1806	$path = normalise $path, $origin && $origin->{path};
1438		1807
1439	if (my $map = $cf::MAP{$path}) {	1808	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1441	}	1810	}
1442		1811
1443	$MAP_PREFETCH{$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	};
1444	$MAP_PREFETCHER->ready;	1825	$MAP_PREFETCHER->prio (6);
1445		1826
1446	()	1827	()
1447	}	1828	}
1448		1829
1449	sub save {	1830	sub save {
…		…
1494		1875
1495	sub reset_at {	1876	sub reset_at {
1496	my ($self) = @_;	1877	my ($self) = @_;
1497		1878
1498	# TODO: safety, remove and allow resettable per-player maps	1879	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	1880	return 1e99 if $self->{deny_reset};
1501		1881
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1882	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1883	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		1884
…		…
1509	my ($self) = @_;	1889	my ($self) = @_;
1510		1890
1511	$self->reset_at <= $cf::RUNTIME	1891	$self->reset_at <= $cf::RUNTIME
1512	}	1892	}
1513		1893
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	1894	sub reset {
1529	my ($self) = @_;	1895	my ($self) = @_;
1530		1896
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	1897	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		1898
1533	return if $self->players;	1899	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		1900
1536	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	}
1537		1912
1538	delete $cf::MAP{$self->path};	1913	delete $cf::MAP{$self->path};
1539		1914
1540	$self->in_memory (cf::MAP_SWAPPED);
1541	$self->clear;	1915	$self->clear;
1542		1916
1543	$_->clear_links_to ($self) for values %cf::MAP;	1917	$_->clear_links_to ($self) for values %cf::MAP;
1544		1918
1545	$self->unlink_save;	1919	$self->unlink_save;
…		…
1549	my $nuke_counter = "aaaa";	1923	my $nuke_counter = "aaaa";
1550		1924
1551	sub nuke {	1925	sub nuke {
1552	my ($self) = @_;	1926	my ($self) = @_;
1553		1927
		1928	delete $cf::MAP{$self->path};
		1929
		1930	$self->unlink_save;
		1931
		1932	bless $self, "cf::map";
		1933	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	1934	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	1935	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1937
		1938	$cf::MAP{$self->path} = $self;
		1939
1557	$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	]
1558	}	1977	}
1559		1978
1560	=item cf::map::unique_maps	1979	=item cf::map::unique_maps
1561		1980
1562	Returns an arrayref of paths of all shared maps that have	1981	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	1982	instantiated unique items. May block.
1564		1983
1565	=cut	1984	=cut
1566		1985
1567	sub unique_maps() {	1986	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1987	[
1569	or return;	1988	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	1989	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	1990	/\.map$/
1579	push @paths, $_;	1991	? normalise $_
		1992	: ()
		1993	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	1994	]
1581
1582	\@paths
1583	}	1995	}
1584		1996
1585	package cf;	1997	package cf;
1586		1998
1587	=back	1999	=back
…		…
1633		2045
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2046	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2047
1636	if ($self->{record_replies}) {	2048	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2049	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2050
1638	} else {	2051	} else {
		2052	my $pl = $self->contr;
		2053
		2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2055	my $diag = $pl->{npc_dialog};
		2056	$diag->{pl}->ext_reply (
		2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
		2058	);
		2059
		2060	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2061	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2062	$self->message ($msg, $flags);
		2063	}
1641	}	2064	}
1642	}	2065	}
1643		2066
1644	=item $player_object->may ("access")	2067	=item $player_object->may ("access")
1645		2068
…		…
1678	=cut	2101	=cut
1679		2102
1680	sub link_map {	2103	sub link_map {
1681	unless ($LINK_MAP) {	2104	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2105	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2106	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2107	$LINK_MAP->load;
1685	}	2108	}
1686		2109
1687	$LINK_MAP	2110	$LINK_MAP
1688	}	2111	}
…		…
1693	$self->deactivate_recursive;	2116	$self->deactivate_recursive;
1694		2117
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2118	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2119
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2121	if $self->map && $self->map->{path} ne "{link}";
1699		2122
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2124	}
1702		2125
1703	sub cf::object::player::leave_link {	2126	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2127	my ($self, $map, $x, $y) = @_;
		2128
		2129	return unless $self->contr->active;
1705		2130
1706	my $link_pos = delete $self->{_link_pos};	2131	my $link_pos = delete $self->{_link_pos};
1707		2132
1708	unless ($map) {	2133	unless ($map) {
1709	# restore original map position	2134	# restore original map position
…		…
1727	$map->load;	2152	$map->load;
1728	$map->load_diag;	2153	$map->load_diag;
1729		2154
1730	return unless $self->contr->active;	2155	return unless $self->contr->active;
1731	$self->activate_recursive;	2156	$self->activate_recursive;
		2157
		2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2159	$self->enter_map ($map, $x, $y);
1733	}	2160	}
1734		2161
1735	cf::player->attach (
1736	on_logout => sub {
1737	my ($pl) = @_;
1738
1739	# abort map switching before logout
1740	if ($pl->ob->{_link_pos}) {
1741	cf::sync_job {
1742	$pl->ob->leave_link
1743	};
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)	2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1768		2163
		2164	Moves the player to the given map-path and coordinates by first freezing
		2165	her, loading and preparing them map, calling the provided $check callback
		2166	that has to return the map if sucecssful, and then unfreezes the player on
		2167	the new (success) or old (failed) map position.
		2168
1769	=cut	2169	=cut
		2170
		2171	our $GOTOGEN;
1770		2172
1771	sub cf::object::player::goto {	2173	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2174	my ($self, $path, $x, $y, $check) = @_;
		2175
		2176	# do generation counting so two concurrent goto's will be executed in-order
		2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2178
1774	$self->enter_link;	2179	$self->enter_link;
1775		2180
1776	(async {	2181	(async {
		2182	my $map = eval {
1777	my $map = cf::map::find $path;	2183	my $map = cf::map::find $path;
		2184
		2185	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2186	$map = $map->customise_for ($self);
1779		2187	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2188	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2190	}
1784		2191
		2192	$map
		2193	};
		2194
		2195	if ($@) {
		2196	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2197	LOG llevError | logBacktrace, Carp::longmess $@;
		2198	}
		2199
		2200	if ($gen == $self->{_goto_generation}) {
		2201	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2202	$self->leave_link ($map, $x, $y);
		2203	}
1786	})->prio (1);	2204	})->prio (1);
1787	}	2205	}
1788		2206
1789	=item $player_object->enter_exit ($exit_object)	2207	=item $player_object->enter_exit ($exit_object)
1790		2208
…		…
1792		2210
1793	sub parse_random_map_params {	2211	sub parse_random_map_params {
1794	my ($spec) = @_;	2212	my ($spec) = @_;
1795		2213
1796	my $rmp = { # defaults	2214	my $rmp = { # defaults
1797	xsize => 10,	2215	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2216	ysize => (cf::rndm 15, 40),
		2217	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2218	#layout => string,
1799	};	2219	};
1800		2220
1801	for (split /\n/, $spec) {	2221	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2222	my ($k, $v) = split /\s+/, $_, 2;
1803		2223
…		…
1807	$rmp	2227	$rmp
1808	}	2228	}
1809		2229
1810	sub prepare_random_map {	2230	sub prepare_random_map {
1811	my ($exit) = @_;	2231	my ($exit) = @_;
		2232
		2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2234
1813	# all this does is basically replace the /! path by	2235	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2236	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2237	# that depends on the exit object
1816		2238
1817	my $rmp = parse_random_map_params $exit->msg;	2239	my $rmp = parse_random_map_params $exit->msg;
1818		2240
1819	if ($exit->map) {	2241	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2242	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2243	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2244	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2245	$rmp->{origin_y} = $exit->y;
1824	}	2246	}
1825		2247
1826	$rmp->{random_seed} ||= $exit->random_seed;	2248	$rmp->{random_seed} ||= $exit->random_seed;
1827		2249
1828	my $data = cf::to_json $rmp;	2250	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2251	my $md5 = Digest::MD5::md5_hex $data;
		2252	my $meta = "$RANDOMDIR/$md5.meta";
1830		2253
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2255	aio_write $fh, 0, (length $data), $data, 0;
		2256	undef $fh;
		2257	aio_rename "$meta~", $meta;
1833		2258
1834	$exit->slaying ("?random/$md5");	2259	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2260	$exit->msg (undef);
1836	}	2261	}
1837	}	2262	}
1838		2263
1839	sub cf::object::player::enter_exit {	2264	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2265	my ($self, $exit) = @_;
1841		2266
1842	return unless $self->type == cf::PLAYER;	2267	return unless $self->type == cf::PLAYER;
		2268
		2269	if ($exit->slaying eq "/!") {
		2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2271	# the problem is that $exit might not survive long enough
		2272	# so it needs to be done right now, right here
		2273	cf::sync_job { prepare_random_map $exit };
		2274	}
		2275
		2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2277	my $hp = $exit->stats->hp;
		2278	my $sp = $exit->stats->sp;
1843		2279
1844	$self->enter_link;	2280	$self->enter_link;
1845		2281
1846	(async {	2282	(async {
1847	$self->deactivate_recursive; # just to be sure	2283	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2284	unless (eval {
1849	prepare_random_map $exit	2285	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2286
1855	1;	2287	1;
1856	}) {	2288	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2289	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	2290	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2291	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2292	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2293
1862	warn "ERROR in enter_exit: $@";	2294	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2295	$self->leave_link;
1864	}	2296	}
1865	})->prio (1);	2297	})->prio (1);
…		…
1878		2310
1879	sub cf::client::send_drawinfo {	2311	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2312	my ($self, $text, $flags) = @_;
1881		2313
1882	utf8::encode $text;	2314	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2316	}
1885		2317
		2318	=item $client->ext_event ($type, %msg)
		2319
		2320	Sends an exti event to the client.
		2321
		2322	=cut
		2323
		2324	sub cf::client::ext_event($$%) {
		2325	my ($self, $type, %msg) = @_;
		2326
		2327	$msg{msgtype} = "event_$type";
		2328	$self->send_packet ("ext " . cf::to_json \%msg);
		2329	}
1886		2330
1887	=item $success = $client->query ($flags, "text", \&cb)	2331	=item $success = $client->query ($flags, "text", \&cb)
1888		2332
1889	Queues a query to the client, calling the given callback with	2333	Queues a query to the client, calling the given callback with
1890	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1919	# get handled first	2363	# get handled first
1920	my $queue = delete $ns->{query_queue}	2364	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2365	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2366
1923	(shift @$queue)->[1]->($msg);	2367	(shift @$queue)->[1]->($msg);
		2368	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2369
1925	push @{ $ns->{query_queue} }, @$queue;	2370	push @{ $ns->{query_queue} }, @$queue;
1926		2371
1927	if (@{ $ns->{query_queue} } == @$queue) {	2372	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2373	if (@$queue) {
…		…
1986		2431
1987	# here we export the classes and methods available to script code	2432	# here we export the classes and methods available to script code
1988		2433
1989	=pod	2434	=pod
1990		2435
1991	The following fucntions and emthods are available within a safe environment:	2436	The following functions and methods are available within a safe environment:
1992		2437
1993	cf::object contr pay_amount pay_player map	2438	cf::object contr pay_amount pay_player map
1994	cf::object::player player	2439	cf::object::player player
1995	cf::player peaceful	2440	cf::player peaceful
1996	cf::map trigger	2441	cf::map trigger
…		…
2077	=back	2522	=back
2078		2523
2079	=cut	2524	=cut
2080		2525
2081	#############################################################################	2526	#############################################################################
		2527	# the server's init and main functions
2082		2528
2083	=head2 EXTENSION DATABASE SUPPORT	2529	sub load_facedata($) {
		2530	my ($path) = @_;
2084		2531
2085	Crossfire maintains a very simple database for extension use. It can	2532	warn "loading facedata from $path\n";
2086	currently store anything that can be serialised using Storable, which
2087	excludes objects.
2088		2533
2089	The parameter C<$family> should best start with the name of the extension	2534	my $facedata;
2090	using it, it should be unique.	2535	0 < aio_load $path, $facedata
		2536	or die "$path: $!";
2091		2537
2092	=over 4	2538	$facedata = Coro::Storable::thaw $facedata;
2093		2539
2094	=item $hashref = cf::db_get $family	2540	$facedata->{version} == 2
		2541	or cf::cleanup "$path: version mismatch, cannot proceed.";
2095		2542
2096	Return a hashref for use by the extension C<$family>, which can be
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099
2100	=item $value = cf::db_get $family => $key
2101
2102	Returns a single value from the database
2103
2104	=item cf::db_put $family => $hashref
2105
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}	2543	{
		2544	my $faces = $facedata->{faceinfo};
2132		2545
2133	my $pid;	2546	while (my ($face, $info) = each %$faces) {
2134		2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2135	sub db_save() {	2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2136	waitpid $pid, 0 if $pid;	2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2137	if (0 == ($pid = fork)) {	2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2138	$DB->{_meta}{version} = 1;	2551	Coro::cede;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});
2155
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}
2160
2161	sub db_get($;$) {
2162	@_ >= 2
2163	? $DB->{$_[0]}{$_[1]}
2164	: ($DB->{$_[0]} ||= { })
2165	}
2166
2167	sub db_put($$;$) {
2168	if (@_ >= 3) {
2169	$DB->{$_[0]}{$_[1]} = $_[2];
2170	} else {
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175
2176	cf::global->attach (
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	2552	}
2181	);
2182	}
2183		2553
2184	#############################################################################	2554	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	2555	next unless $info->{smooth};
		2556	my $idx = cf::face::find $face
		2557	or next;
		2558	if (my $smooth = cf::face::find $info->{smooth}) {
		2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2560	} else {
		2561	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2562	}
		2563	Coro::cede;
		2564	}
		2565	}
		2566
		2567	{
		2568	my $anims = $facedata->{animinfo};
		2569
		2570	while (my ($anim, $info) = each %$anims) {
		2571	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2572	Coro::cede;
		2573	}
		2574
		2575	cf::anim::invalidate_all; # d'oh
		2576	}
		2577
		2578	1
		2579	}
		2580
		2581	sub reload_regions {
		2582	load_resource_file "$MAPDIR/regions"
		2583	or die "unable to load regions file\n";
		2584	}
		2585
		2586	sub reload_facedata {
		2587	load_facedata "$DATADIR/facedata"
		2588	or die "unable to load facedata\n";
		2589	}
		2590
		2591	sub reload_archetypes {
		2592	load_resource_file "$DATADIR/archetypes"
		2593	or die "unable to load archetypes\n";
		2594	}
		2595
		2596	sub reload_treasures {
		2597	load_resource_file "$DATADIR/treasures"
		2598	or die "unable to load treasurelists\n";
		2599	}
		2600
		2601	sub reload_resources {
		2602	warn "reloading resource files...\n";
		2603
		2604	reload_regions;
		2605	reload_facedata;
		2606	#reload_archetypes;#d#
		2607	reload_archetypes;
		2608	reload_treasures;
		2609
		2610	warn "finished reloading resource files\n";
		2611	}
		2612
		2613	sub init {
		2614	reload_resources;
		2615	}
2186		2616
2187	sub cfg_load {	2617	sub cfg_load {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	2618	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	2619	or return;
2190		2620
2191	local $/;	2621	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	2622	*CFG = YAML::Syck::Load <$fh>;
2193		2623
…		…
2207		2637
2208	sub main {	2638	sub main {
2209	# we must not ever block the main coroutine	2639	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	2640	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2642	(async {
2212	async { Event::one_event };	2643	Event::one_event;
		2644	})->prio (Coro::PRIO_MAX);
2213	};	2645	};
2214		2646
2215	cfg_load;	2647	cfg_load;
2216	db_load;	2648	db_init;
2217	load_extensions;	2649	load_extensions;
		2650
		2651	$TICK_WATCHER->start;
2218	Event::loop;	2652	Event::loop;
2219	}	2653	}
2220		2654
2221	#############################################################################	2655	#############################################################################
2222	# initialisation and cleanup	2656	# initialisation and cleanup
2223		2657
2224	# install some emergency cleanup handlers	2658	# install some emergency cleanup handlers
2225	BEGIN {	2659	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	2660	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	2661	Event->signal (
		2662	reentrant => 0,
2228	data => WF_AUTOCANCEL,	2663	data => WF_AUTOCANCEL,
2229	signal => $signal,	2664	signal => $signal,
		2665	prio => 0,
2230	cb => sub {	2666	cb => sub {
2231	cf::cleanup "SIG$signal";	2667	cf::cleanup "SIG$signal";
2232	},	2668	},
2233	);	2669	);
2234	}	2670	}
		2671	}
		2672
		2673	sub write_runtime {
		2674	my $runtime = "$LOCALDIR/runtime";
		2675
		2676	# first touch the runtime file to show we are still running:
		2677	# the fsync below can take a very very long time.
		2678
		2679	IO::AIO::aio_utime $runtime, undef, undef;
		2680
		2681	my $guard = cf::lock_acquire "write_runtime";
		2682
		2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2684	or return;
		2685
		2686	my $value = $cf::RUNTIME + 90 + 10;
		2687	# 10 is the runtime save interval, for a monotonic clock
		2688	# 60 allows for the watchdog to kill the server.
		2689
		2690	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2691	and return;
		2692
		2693	# always fsync - this file is important
		2694	aio_fsync $fh
		2695	and return;
		2696
		2697	# touch it again to show we are up-to-date
		2698	aio_utime $fh, undef, undef;
		2699
		2700	close $fh
		2701	or return;
		2702
		2703	aio_rename "$runtime~", $runtime
		2704	and return;
		2705
		2706	warn "runtime file written.\n";
		2707
		2708	1
2235	}	2709	}
2236		2710
2237	sub emergency_save() {	2711	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	2712	my $freeze_guard = cf::freeze_mainloop;
2239		2713
…		…
2256	my $map = $cf::MAP{$path} or next;	2730	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	2731	$map->valid or next;
2258	$map->save;	2732	$map->save;
2259	}	2733	}
2260	warn "end emergency map save\n";	2734	warn "end emergency map save\n";
		2735
		2736	warn "begin emergency database checkpoint\n";
		2737	BDB::db_env_txn_checkpoint $DB_ENV;
		2738	warn "end emergency database checkpoint\n";
2261	};	2739	};
2262		2740
2263	warn "leave emergency perl save\n";	2741	warn "leave emergency perl save\n";
2264	}	2742	}
2265		2743
		2744	sub post_cleanup {
		2745	my ($make_core) = @_;
		2746
		2747	warn Carp::longmess "post_cleanup backtrace"
		2748	if $make_core;
		2749	}
		2750
2266	sub reload() {	2751	sub do_reload_perl() {
2267	# can/must only be called in main	2752	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	2753	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	2754	warn "can only reload from main coroutine";
2270	return;	2755	return;
2271	}	2756	}
2272		2757
2273	warn "reloading...";	2758	warn "reloading...";
2274		2759
2275	warn "freezing server";	2760	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	2761
		2762	cf::sync_job {
		2763	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	2764	cf::emergency_save;
		2765	cf::write_runtime; # external watchdog should not bark
2278		2766
2279	warn "sync database to disk";	2767	warn "syncing database to disk";
2280	cf::db_sync;	2768	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		2769
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	2770	# if anything goes wrong in here, we should simply crash as we already saved
2285		2771
2286	warn "cancel all watchers";	2772	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	2773	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	2775	}
2290		2776
		2777	warn "flushing outstanding aio requests";
		2778	for (;;) {
		2779	BDB::flush;
		2780	IO::AIO::flush;
		2781	Coro::cede;
		2782	last unless IO::AIO::nreqs || BDB::nreqs;
		2783	warn "iterate...";
		2784	}
		2785
		2786	++$RELOAD;
		2787
2291	warn "cancel all extension coros";	2788	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	2789	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	2790	%EXT_CORO = ();
2294		2791
2295	warn "remove commands";	2792	warn "removing commands";
2296	%COMMAND = ();	2793	%COMMAND = ();
2297		2794
2298	warn "remove ext commands";	2795	warn "removing ext commands";
2299	%EXTCMD = ();	2796	%EXTCMD = ();
2300		2797
2301	warn "unload/nuke all extensions";	2798	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	2799	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	2800	warn "... unloading $pkg";
2304		2801
2305	if (my $cb = $pkg->can ("unload")) {	2802	if (my $cb = $pkg->can ("unload")) {
2306	eval {	2803	eval {
…		…
2311		2808
2312	warn "... nuking $pkg";	2809	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	2810	Symbol::delete_package $pkg;
2314	}	2811	}
2315		2812
2316	warn "unload all perl modules loaded from $LIBDIR";	2813	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	2814	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		2816
2320	warn "removing <$k>";	2817	warn "... unloading $k";
2321	delete $INC{$k};	2818	delete $INC{$k};
2322		2819
2323	$k =~ s/\.pm$//;	2820	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	2821	$k =~ s/\//::/g;
2325		2822
…		…
2328	}	2825	}
2329		2826
2330	Symbol::delete_package $k;	2827	Symbol::delete_package $k;
2331	}	2828	}
2332		2829
2333	warn "get rid of safe::, as good as possible";	2830	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	2831	Symbol::delete_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		2833
2337	warn "unload cf.pm \"a bit\"";	2834	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	2835	delete $INC{"cf.pm"};
		2836	delete $INC{"cf/pod.pm"};
2339		2837
2340	# don't, removes xs symbols, too,	2838	# don't, removes xs symbols, too,
2341	# and global variables created in xs	2839	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	2840	#Symbol::delete_package __PACKAGE__;
2343		2841
		2842	warn "unload completed, starting to reload now";
		2843
2344	warn "reloading cf.pm";	2844	warn "reloading cf.pm";
2345	require cf;	2845	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		2847
2348	warn "load config and database again";	2848	warn "loading config and database again";
2349	cf::cfg_load;	2849	cf::cfg_load;
2350	cf::db_load;
2351		2850
2352	warn "load extensions";	2851	warn "loading extensions";
2353	cf::load_extensions;	2852	cf::load_extensions;
2354		2853
2355	warn "reattach attachments to objects/players";	2854	warn "reattaching attachments to objects/players";
2356	_global_reattach;	2855	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	2856	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	2857	reattach $_ for values %MAP;
2359	};	2858	warn "reattaching attachments to players";
		2859	reattach $_ for values %PLAYER;
2360		2860
2361	if ($@) {	2861	warn "leaving sync_job";
		2862
		2863	1
		2864	} or do {
2362	warn $@;	2865	warn $@;
2363	warn "error while reloading, exiting.";	2866	warn "error while reloading, exiting.";
2364	exit 1;	2867	exit 1;
2365	}	2868	};
2366		2869
2367	warn "reloaded";	2870	warn "reloaded";
2368	};	2871	};
2369		2872
		2873	our $RELOAD_WATCHER; # used only during reload
		2874
		2875	sub reload_perl() {
		2876	# doing reload synchronously and two reloads happen back-to-back,
		2877	# coro crashes during coro_state_free->destroy here.
		2878
		2879	$RELOAD_WATCHER ||= Event->timer (
		2880	reentrant => 0,
		2881	after => 0,
		2882	data => WF_AUTOCANCEL,
		2883	cb => sub {
		2884	do_reload_perl;
		2885	undef $RELOAD_WATCHER;
		2886	},
		2887	);
		2888	}
		2889
2370	register_command "reload" => sub {	2890	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	2891	my ($who, $arg) = @_;
2372		2892
2373	if ($who->flag (FLAG_WIZ)) {	2893	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	2894	$who->message ("reloading server.");
		2895	async { reload_perl };
2377	}	2896	}
2378	};	2897	};
2379		2898
2380	unshift @INC, $LIBDIR;	2899	unshift @INC, $LIBDIR;
2381		2900
		2901	my $bug_warning = 0;
		2902
		2903	our @WAIT_FOR_TICK;
		2904	our @WAIT_FOR_TICK_BEGIN;
		2905
		2906	sub wait_for_tick {
		2907	return unless $TICK_WATCHER->is_active;
		2908	return if $Coro::current == $Coro::main;
		2909
		2910	my $signal = new Coro::Signal;
		2911	push @WAIT_FOR_TICK, $signal;
		2912	$signal->wait;
		2913	}
		2914
		2915	sub wait_for_tick_begin {
		2916	return unless $TICK_WATCHER->is_active;
		2917	return if $Coro::current == $Coro::main;
		2918
		2919	my $signal = new Coro::Signal;
		2920	push @WAIT_FOR_TICK_BEGIN, $signal;
		2921	$signal->wait;
		2922	}
		2923
		2924	my $min = 1e6;#d#
		2925	my $avg = 10;
2382	$TICK_WATCHER = Event->timer (	2926	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	2927	reentrant => 0,
		2928	parked => 1,
2384	prio => 0,	2929	prio => 0,
2385	at => $NEXT_TICK || $TICK,	2930	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	2931	data => WF_AUTOCANCEL,
2387	cb => sub {	2932	cb => sub {
		2933	if ($Coro::current != $Coro::main) {
		2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2935	unless ++$bug_warning > 10;
		2936	return;
		2937	}
		2938
2388	$NOW = Event::time;	2939	$NOW = $tick_start = Event::time;
2389		2940
2390	cf::server_tick; # one server iteration	2941	cf::server_tick; # one server iteration
		2942
		2943	0 && sync_job {#d#
		2944	for(1..10) {
		2945	my $t = Event::time;
		2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2947	or die;
		2948
		2949	$map->width (50);
		2950	$map->height (50);
		2951	$map->alloc;
		2952	$map->_load_objects ("/tmp/x.map", 1);
		2953	my $t = Event::time - $t;
		2954
		2955	#next unless $t < 0.0013;#d#
		2956	if ($t < $min) {
		2957	$min = $t;
		2958	}
		2959	$avg = $avg * 0.99 + $t * 0.01;
		2960	}
		2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2962	exit 0;
		2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2964	};
		2965
2391	$RUNTIME += $TICK;	2966	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	2967	$NEXT_TICK += $TICK;
2393		2968
2394	$WAIT_FOR_TICK->broadcast;	2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2971	Coro::async_pool {
		2972	write_runtime
		2973	or warn "ERROR: unable to write runtime file: $!";
		2974	};
		2975	}
		2976
		2977	# my $AFTER = Event::time;
		2978	# warn $AFTER - $NOW;#d#
		2979
		2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2981	$sig->send;
		2982	}
		2983	while (my $sig = shift @WAIT_FOR_TICK) {
		2984	$sig->send;
		2985	}
		2986
		2987	$NOW = Event::time;
2396		2988
2397	# if we are delayed by four ticks or more, skip them all	2989	# if we are delayed by four ticks or more, skip them all
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		2991
2400	$TICK_WATCHER->at ($NEXT_TICK);	2992	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;	2993	$TICK_WATCHER->start;
		2994
		2995	$LOAD = ($NOW - $tick_start) / $TICK;
		2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2997
		2998	_post_tick;
		2999
		3000
2402	},	3001	},
2403	);	3002	);
2404		3003
		3004	{
2405	IO::AIO::max_poll_time $TICK * 0.2;	3005	BDB::max_poll_time $TICK * 0.1;
2406		3006	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	3007	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	3008	fd => BDB::poll_fileno,
2409	poll => 'r',	3009	poll => 'r',
2410	prio => 5,	3010	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	3011	data => WF_AUTOCANCEL,
2417	after => 0,	3012	cb => \&BDB::poll_cb,
2418	interval => 10,	3013	);
2419	cb => sub {	3014	BDB::min_parallel 8;
2420	(Coro::unblock_sub {	3015
2421	write_runtime	3016	BDB::set_sync_prepare {
2422	or warn "ERROR: unable to write runtime file: $!";	3017	my $status;
		3018	my $current = $Coro::current;
		3019	(
		3020	sub {
		3021	$status = $!;
		3022	$current->ready; undef $current;
		3023	},
		3024	sub {
		3025	Coro::schedule while defined $current;
		3026	$! = $status;
		3027	},
		3028	)
		3029	};
		3030
		3031	unless ($DB_ENV) {
		3032	$DB_ENV = BDB::db_env_create;
		3033
		3034	cf::sync_job {
		3035	eval {
		3036	BDB::db_env_open
		3037	$DB_ENV,
		3038	$BDBDIR,
		3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3041	0666;
		3042
		3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3044
		3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3046	$DB_ENV->set_lk_detect;
		3047	};
		3048
		3049	cf::cleanup "db_env_open(db): $@" if $@;
2423	})->();	3050	};
2424	},	3051	}
2425	);	3052	}
		3053
		3054	{
		3055	IO::AIO::min_parallel 8;
		3056
		3057	undef $Coro::AIO::WATCHER;
		3058	IO::AIO::max_poll_time $TICK * 0.1;
		3059	$AIO_POLL_WATCHER = Event->io (
		3060	reentrant => 0,
		3061	data => WF_AUTOCANCEL,
		3062	fd => IO::AIO::poll_fileno,
		3063	poll => 'r',
		3064	prio => 6,
		3065	cb => \&IO::AIO::poll_cb,
		3066	);
		3067	}
		3068
		3069	my $_log_backtrace;
		3070
		3071	sub _log_backtrace {
		3072	my ($msg, @addr) = @_;
		3073
		3074	$msg =~ s/\n//;
		3075
		3076	# limit the # of concurrent backtraces
		3077	if ($_log_backtrace < 2) {
		3078	++$_log_backtrace;
		3079	async {
		3080	my @bt = fork_call {
		3081	@addr = map { sprintf "%x", $_ } @addr;
		3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3084	or die "addr2line: $!";
		3085
		3086	my @funcs;
		3087	my @res = <$fh>;
		3088	chomp for @res;
		3089	while (@res) {
		3090	my ($func, $line) = splice @res, 0, 2, ();
		3091	push @funcs, "[$func] $line";
		3092	}
		3093
		3094	@funcs
		3095	};
		3096
		3097	LOG llevInfo, "[ABT] $msg\n";
		3098	LOG llevInfo, "[ABT] $_\n" for @bt;
		3099	--$_log_backtrace;
		3100	};
		3101	} else {
		3102	LOG llevInfo, "[ABT] $msg\n";
		3103	LOG llevInfo, "[ABT] [suppressed]\n";
		3104	}
		3105	}
		3106
		3107	# load additional modules
		3108	use cf::pod;
2426		3109
2427	END { cf::emergency_save }	3110	END { cf::emergency_save }
2428		3111
2429	1	3112	1
2430		3113

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