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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 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
35		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
39		56
		57	our $RELOAD; # number of reloads so far
40	our @EVENT;	58	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		59
43	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(!)
44	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	76	our $NEXT_TICK;
46	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;
47		82
48	our %CFG;	83	our %CFG;
49		84
50	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	86	our $RUNTIME;
52		87
53	our %PLAYER; # all users	88	our %PLAYER; # all users
54	our %MAP; # all maps	89	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		91
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
61		98
62	binmode STDOUT;	99	binmode STDOUT;
63	binmode STDERR;	100	binmode STDERR;
64		101
65	# read virtual server time, if available	102	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
70	}	107	}
71		108
72	mkdir cf::localdir;	109	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		111
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
81		115
82	#############################################################################	116	#############################################################################
83		117
84	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
85		119
…		…
92	=item $cf::RUNTIME	126	=item $cf::RUNTIME
93		127
94	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
95	every server tick.	129	every server tick.
96		130
97	=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
98		134
99	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
100	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.
101		139
102	=item $cf::NOW	140	=item $cf::NOW
103		141
104	The time of the last (current) server tick.	142	The time of the last (current) server tick.
105		143
106	=item $cf::TICK	144	=item $cf::TICK
107		145
108	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.
109		157
110	=item %cf::CFG	158	=item %cf::CFG
111		159
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	161	from wherever your confdir points to.
114		162
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		164
117	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
118	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
119	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.
120	window of cpu time available, or simply to synchronise to the server tick.
121		168
122	=back	169	=back
123		170
124	=cut	171	=cut
125		172
126	BEGIN {	173	BEGIN {
127	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	175	my $msg = join "", @_;
129	utf8::encode $msg;
130		176
131	$msg .= "\n"	177	$msg .= "\n"
132	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
133		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
134	LOG llevError, $msg;	183	LOG llevError, $msg;
135	};	184	};
136	}	185	}
137		186
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@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';
143	@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)
144		194
145	# 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
146	# within the Safe compartment.	196	# within the Safe compartment.
147	for my $pkg (qw(	197	for my $pkg (qw(
148	cf::global cf::attachable	198	cf::global cf::attachable
…		…
157		207
158	$Event::DIED = sub {	208	$Event::DIED = sub {
159	warn "error in event callback: @_";	209	warn "error in event callback: @_";
160	};	210	};
161		211
162	my %ext_pkg;	212	#############################################################################
163	my @exts;
164	my @hook;
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->()
319	}	375	}
320	}	376	}
321		377
322	=item $coro = cf::async_ext { BLOCK }	378	=item $coro = cf::async_ext { BLOCK }
323		379
324	Like async, but this coro is automcatially being canceled when the	380	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	381	extension calling this is being unloaded.
326		382
327	=cut	383	=cut
328		384
329	sub async_ext(&) {	385	sub async_ext(&) {
…		…
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	my $runtime = cf::localdir . "/runtime";
344		399
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	400	Executes the given code block with the given arguments in a seperate
346	or return;	401	process, returning the results. Everything must be serialisable with
		402	Coro::Storable. May, of course, block. Note that the executed sub may
		403	never block itself or use any form of Event handling.
347		404
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	405	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		406
352	aio_fsync $fh	407	sub fork_call(&@) {
353	and return;	408	my ($cb, @args) = @_;
354		409
		410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		411	# or die "socketpair: $!";
		412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
		414
		415	if (my $pid = fork) {
355	close $fh	416	close $fh2;
356	or return;
357		417
358	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
359	and return;	419	$res = Coro::Storable::thaw $res;
360		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
361	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		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 });
362	}	567	}
363		568
364	=back	569	=back
365		570
366	=cut	571	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		572
490	#############################################################################	573	#############################################################################
491		574
492	=head2 ATTACHABLE OBJECTS	575	=head2 ATTACHABLE OBJECTS
493		576
…		…
495	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")
496	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
497		580
498	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>
499	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
500	crossfire+).	583	Crossfire TRT).
501		584
502	=over 4	585	=over 4
503		586
504	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
505		588
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	702	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	703	our @CB_MAP = ();
621		704
622	my %attachment;	705	my %attachment;
623		706
		707	sub cf::attachable::thawer_merge {
		708	# simply override everything except _meta
		709	local $_[0]{_meta};
		710	%{$_[0]} = %{$_[1]};
		711	}
		712
624	sub _attach_cb($$$$) {	713	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	714	my ($registry, $event, $prio, $cb) = @_;
626		715
627	use sort 'stable';	716	use sort 'stable';
628		717
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
663		752
664	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		757
669	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	759	my $pkg = shift @arg;
671		760
672	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
702	}	791	}
703		792
704	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
705	} else {	794	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	796	}
708		797
709	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
710	}	799	}
711		800
…		…
713	if (ref $_[0]) {	802	if (ref $_[0]) {
714	_object_attach @_;	803	_object_attach @_;
715	} else {	804	} else {
716	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
717	}	806	}
		807	_recalc_want;
718	};	808	};
719		809
720	# all those should be optimised	810	# all those should be optimised
721	sub cf::attachable::detach {	811	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
726	reattach ($obj);	816	reattach ($obj);
727	} else {	817	} else {
728	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
729	}	819	}
		820	_recalc_want;
730	};	821	};
731		822
732	sub cf::attachable::attached {	823	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
734		825
…		…
799	# object support	890	# object support
800		891
801	sub reattach {	892	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	893	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	894	my ($obj) = @_;
		895
		896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		897
805	my $registry = $obj->registry;	898	my $registry = $obj->registry;
806		899
807	@$registry = ();	900	@$registry = ();
808		901
…		…
855	$filename, length $$rdata, scalar @$objs;	948	$filename, length $$rdata, scalar @$objs;
856		949
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	951	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	953	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	954	close $fh;
862		955
863	if (@$objs) {	956	if (@$objs) {
864	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) {
865	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	959	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	960	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	962	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	963	aio_rename "$filename.pst~", "$filename.pst";
871	}	964	}
872	} else {	965	} else {
873	aio_unlink "$filename.pst";	966	aio_unlink "$filename.pst";
…		…
905	or return;	998	or return;
906	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
907	}	1000	}
908		1001
909	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
911	return ($data, $av);	1004	return ($data, $av);
912	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
913		1012
914	#############################################################################	1013	#############################################################################
915	# command handling &c	1014	# command handling &c
916		1015
917	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1030	}
932		1031
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1033
935	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.
936		1035
937	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
938	called.	1037	called.
939		1038
940	=cut	1039	=cut
941		1040
942	sub register_extcmd {	1041	sub register_extcmd {
943	my ($name, $cb) = @_;	1042	my ($name, $cb) = @_;
944		1043
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1044	$EXTCMD{$name} = $cb;
949	}	1045	}
950		1046
951	cf::player->attach (	1047	cf::player->attach (
952	on_command => sub {	1048	on_command => sub {
953	my ($pl, $name, $params) = @_;	1049	my ($pl, $name, $params) = @_;
…		…
966		1062
967	my $msg = eval { from_json $buf };	1063	my $msg = eval { from_json $buf };
968		1064
969	if (ref $msg) {	1065	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1067	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	1068	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	1069	}
974	}	1070	}
975	} else {	1071	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		1074
979	cf::override;	1075	cf::override;
980	},	1076	},
981	);	1077	);
982		1078
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {
990	my ($path) = @_;
991
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;
994	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}
1058
1059	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
1060	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1084	next unless -r $path;
1062	eval {	1085
1063	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;
1064	1	1143	}
1065	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
1066	}	1149	};
1067	}	1150	}
1068		1151
1069	#############################################################################	1152	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1153
1072	*cf::mapsupport::on_clean = sub {	1154	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1155
1085	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
1086		1157
1087	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
1088		1159
…		…
1101	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
1102		1173
1103	=cut	1174	=cut
1104		1175
1105	sub playerdir($) {	1176	sub playerdir($) {
1106	cf::localdir	1177	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1179	}
1112		1180
1113	sub path($) {	1181	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1183
1116	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
1117	}	1185	}
1118		1186
1119	sub find_active($) {	1187	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
1124		1192
1125	sub exists($) {	1193	sub exists($) {
1126	my ($login) = @_;	1194	my ($login) = @_;
1127		1195
1128	$cf::PLAYER{$login}	1196	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1197	or cf::sync_job { !aio_stat path $login }
1130	}	1198	}
1131		1199
1132	sub find($) {	1200	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1201	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1202	my $login = $_[0];
1135		1203
1136	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
1137		1205
1138	$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
1139	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
1140	or return;	1215	or return;
1141	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
1142	}	1217	}
1143	}	1218	}
…		…
1180		1255
1181	=cut	1256	=cut
1182		1257
1183	sub quit_character {	1258	sub quit_character {
1184	my ($pl) = @_;	1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
1185		1262
1186	$pl->{deny_save} = 1;	1263	$pl->{deny_save} = 1;
1187	$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
1188		1265
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1271	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1272	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1273	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1274	delete $cf::PLAYER{$pl->ob->name};
1198	$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
1199	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;
1200	}	1297	}
1201		1298
1202	=item cf::player::list_logins	1299	=item cf::player::list_logins
1203		1300
1204	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
1205	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1206		1303
1207	=cut	1304	=cut
1208		1305
1209	sub list_logins {	1306	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1308	or return [];
1212		1309
1213	my @logins;	1310	my @logins;
1214		1311
1215	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
…		…
1224	\@logins	1321	\@logins
1225	}	1322	}
1226		1323
1227	=item $player->maps	1324	=item $player->maps
1228		1325
1229	Returns an arrayref of cf::path's of all maps that are private for this	1326	Returns an arrayref of map paths that are private for this
1230	player. May block.	1327	player. May block.
1231		1328
1232	=cut	1329	=cut
1233		1330
1234	sub maps($) {	1331	sub maps($) {
1235	my ($pl) = @_;	1332	my ($pl) = @_;
		1333
		1334	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1335
1237	my $files = aio_readdir playerdir $pl	1336	my $files = aio_readdir playerdir $pl
1238	or return;	1337	or return;
1239		1338
1240	my @paths;	1339	my @paths;
1241		1340
1242	for (@$files) {	1341	for (@$files) {
1243	utf8::decode $_;	1342	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1343	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1344	next unless /^$PATH_SEP/o;
1246		1345
1247	s/$PATH_SEP/\//g;	1346	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1347	}
1250		1348
1251	\@paths	1349	\@paths
1252	}	1350	}
1253		1351
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1352	=item $player->ext_reply ($msgid, %msg)
1255		1353
1256	Sends an ext reply to the player.	1354	Sends an ext reply to the player.
1257		1355
1258	=cut	1356	=cut
1259		1357
1260	sub ext_reply($$$%) {	1358	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1359	my ($self, $id, %msg) = @_;
1262		1360
1263	$msg{msgid} = $id;	1361	$msg{msgid} = $id;
1264		1362
1265	$self->send ("ext " . cf::to_json \%msg);	1363	$self->send ("ext " . cf::to_json \%msg);
1266	}	1364	}
1267		1365
1268	package cf;	1366	=item $player->ext_event ($type, %msg)
		1367
		1368	Sends an ext event to the client.
		1369
		1370	=cut
		1371
		1372	sub ext_event($$%) {
		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	}
1269		1406
1270	=back	1407	=back
1271
1272		1408
1273	=head3 cf::map	1409	=head3 cf::map
1274		1410
1275	=over 4	1411	=over 4
1276		1412
…		…
1279	package cf::map;	1415	package cf::map;
1280		1416
1281	use Fcntl;	1417	use Fcntl;
1282	use Coro::AIO;	1418	use Coro::AIO;
1283		1419
		1420	use overload
		1421	'""' => \&as_string,
		1422	fallback => 1;
		1423
1284	our $MAX_RESET = 3600;	1424	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1425	our $DEFAULT_RESET = 3000;
1286		1426
1287	sub generate_random_map {	1427	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1428	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1429	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1430	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1434	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1435	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1438	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1439	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1440	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1441	(cf::region::find $rmp->{region}), $rmp->{custom}
		1442	)
		1443	}
		1444
		1445	=item cf::map->register ($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
		1453	sub register {
		1454	my (undef, $regex, $prio) = @_;
		1455	my $pkg = caller;
		1456
		1457	no strict;
		1458	push @{"$pkg\::ISA"}, __PACKAGE__;
		1459
		1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1461	}
		1462
		1463	# also paths starting with '/'
		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	}
		1475
		1476	sub normalise {
		1477	my ($path, $base) = @_;
		1478
		1479	$path = "$path"; # make sure its a string
		1480
		1481	$path =~ s/\.map$//;
		1482
		1483	# map plan:
		1484	#
		1485	# /! non-realised random map exit (special hack!)
		1486	# {... are special paths that are not being touched
		1487	# ?xxx/... are special absolute paths
		1488	# ?random/... random maps
		1489	# /... normal maps
		1490	# ~user/... per-player map of a specific user
		1491
		1492	$path =~ s/$PATH_SEP/\//go;
		1493
		1494	# treat it as relative path if it starts with
		1495	# something that looks reasonable
		1496	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1497	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1498
		1499	$base =~ s{[^/]+/?$}{};
		1500	$path = "$base/$path";
		1501	}
		1502
		1503	for ($path) {
		1504	redo if s{//}{/};
		1505	redo if s{/\.?/}{/};
		1506	redo if s{/[^/]+/\.\./}{/};
		1507	}
		1508
		1509	$path
		1510	}
		1511
		1512	sub new_from_path {
		1513	my (undef, $path, $base) = @_;
		1514
		1515	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1516
		1517	$path = normalise $path, $base;
		1518
		1519	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1520	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1521	my $self = bless cf::map::new, $pkg;
		1522	$self->{path} = $path; $self->path ($path);
		1523	$self->init; # pass $1 etc.
		1524	return $self;
		1525	}
		1526	}
		1527
		1528	Carp::carp "unable to resolve path '$path' (base '$base').";
		1529	()
		1530	}
		1531
		1532	sub init {
		1533	my ($self) = @_;
		1534
		1535	$self
		1536	}
		1537
		1538	sub as_string {
		1539	my ($self) = @_;
		1540
		1541	"$self->{path}"
		1542	}
		1543
		1544	# the displayed name, this is a one way mapping
		1545	sub visible_name {
		1546	&as_string
		1547	}
		1548
		1549	# the original (read-only) location
		1550	sub load_path {
		1551	my ($self) = @_;
		1552
		1553	"$MAPDIR/$self->{path}.map"
		1554	}
		1555
		1556	# the temporary/swap location
		1557	sub save_path {
		1558	my ($self) = @_;
		1559
		1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1561	"$TMPDIR/$path.map"
		1562	}
		1563
		1564	# the unique path, undef == no special unique path
		1565	sub uniq_path {
		1566	my ($self) = @_;
		1567
		1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1569	"$UNIQUEDIR/$path"
1304	}	1570	}
1305		1571
1306	# and all this just because we cannot iterate over	1572	# and all this just because we cannot iterate over
1307	# all maps in C++...	1573	# all maps in C++...
1308	sub change_all_map_light {	1574	sub change_all_map_light {
…		…
1310		1576
1311	$_->change_map_light ($change)	1577	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1578	for grep $_->outdoor, values %cf::MAP;
1313	}	1579	}
1314		1580
		1581	sub decay_objects {
		1582	my ($self) = @_;
		1583
		1584	return if $self->{deny_reset};
		1585
		1586	$self->do_decay_objects;
		1587	}
		1588
		1589	sub unlink_save {
		1590	my ($self) = @_;
		1591
		1592	utf8::encode (my $save = $self->save_path);
		1593	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1594	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1595	}
		1596
1315	sub try_load_header($) {	1597	sub load_header_from($) {
1316	my ($path) = @_;	1598	my ($self, $path) = @_;
1317		1599
1318	utf8::encode $path;	1600	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1601	#aio_open $path, O_RDONLY, 0
		1602	# or return;
		1603
		1604	$self->_load_header ($path)
1320	or return;	1605	or return;
1321		1606
1322	my $map = cf::map::new	1607	$self->{load_path} = $path;
		1608
		1609	1
		1610	}
		1611
		1612	sub load_header_orig {
		1613	my ($self) = @_;
		1614
		1615	$self->load_header_from ($self->load_path)
		1616	}
		1617
		1618	sub load_header_temp {
		1619	my ($self) = @_;
		1620
		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	$self->instantiate;
		1641	}
		1642
		1643	sub load_header {
		1644	my ($self) = @_;
		1645
		1646	if ($self->load_header_temp) {
		1647	$self->prepare_temp;
		1648	} else {
		1649	$self->load_header_orig
1323	or return;	1650	or return;
		1651	$self->prepare_orig;
		1652	}
1324		1653
1325	# for better error messages only, will be overwritten	1654	$self->{deny_reset} = 1
1326	$map->path ($path);	1655	if $self->no_reset;
1327		1656
1328	$map->load_header ($path)	1657	$self->default_region (cf::region::find_by_path $self->{path})
1329	or return;	1658	unless $self->default_region;
1330		1659
1331	$map->{load_path} = $path;	1660	1
1332
1333	$map
1334	}	1661	}
1335		1662
1336	sub find;	1663	sub find;
1337	sub find {	1664	sub find {
1338	my ($path, $origin) = @_;	1665	my ($path, $origin) = @_;
1339		1666
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1667	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1668
1345	cf::lock_wait "map_find:$key";	1669	cf::lock_wait "map_find:$path";
1346		1670
1347	$cf::MAP{$key} || do {	1671	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1672	my $guard = cf::lock_acquire "map_find:$path";
1349		1673	my $map = new_from_path cf::map $path
1350	# do it the slow way
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1674	or return;
1369		1675
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1676	$map->{last_save} = $cf::RUNTIME;
1382		1677
1383	Coro::cede;	1678	$map->load_header
		1679	or return;
1384		1680
1385	if ($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;
1386	$map->reset;	1684	$map->reset;
1387	undef $guard;	1685	undef $guard;
1388	$map = find $path	1686	return find $path;
1389	or return;
1390	}	1687	}
1391		1688
1392	$cf::MAP{$key} = $map	1689	$cf::MAP{$path} = $map
1393	}	1690	}
1394	}	1691	}
		1692
		1693	sub pre_load { }
		1694	sub post_load { }
1395		1695
1396	sub load {	1696	sub load {
1397	my ($self) = @_;	1697	my ($self) = @_;
1398		1698
		1699	local $self->{deny_reset} = 1; # loading can take a long time
		1700
1399	my $path = $self->{path};	1701	my $path = $self->{path};
		1702
		1703	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1704	my $guard = cf::lock_acquire "map_load:$path";
1401		1705
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1706	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1707
1404	$self->in_memory (cf::MAP_LOADING);	1708	$self->in_memory (cf::MAP_LOADING);
1405		1709
1406	$self->alloc;	1710	$self->alloc;
		1711
		1712	$self->pre_load;
		1713	Coro::cede;
		1714
1407	$self->load_objects ($self->{load_path}, 1)	1715	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1716	or return;
1409		1717
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1719	if delete $self->{load_original};
1412		1720
1413	if (my $uniq = $path->uniq_path) {	1721	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1722	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1723	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1724	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1725	$self->_load_objects ($uniq, 0);
1418	}	1726	}
1419	}	1727	}
1420		1728
1421	Coro::cede;	1729	Coro::cede;
1422
1423	# now do the right thing for maps	1730	# now do the right thing for maps
1424	$self->link_multipart_objects;	1731	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1732	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1733	unless $self->difficulty;
		1734	Coro::cede;
		1735
		1736	unless ($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;
1436	$self->activate;	1743	$self->activate;
1437	}	1744	}
1438		1745
1439	Coro::cede;
1440
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1746	$self->in_memory (cf::MAP_IN_MEMORY);
		1747	}
		1748
		1749	$self->post_load;
		1750	}
		1751
		1752	sub customise_for {
		1753	my ($self, $ob) = @_;
		1754
		1755	return find "~" . $ob->name . "/" . $self->{path}
		1756	if $self->per_player;
		1757
		1758	# return find "?party/" . $ob->name . "/" . $self->{path}
		1759	# if $self->per_party;
		1760
		1761	$self
1442	}	1762	}
1443		1763
1444	# find and load all maps in the 3x3 area around a map	1764	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	1765	sub load_diag {
1446	my ($map) = @_;	1766	my ($map) = @_;
…		…
1476		1796
1477	cf::sync_job { $map->load };	1797	cf::sync_job { $map->load };
1478	}	1798	}
1479		1799
1480	our %MAP_PREFETCH;	1800	our %MAP_PREFETCH;
1481	our $MAP_PREFETCHER = Coro::async {	1801	our $MAP_PREFETCHER = undef;
1482	while () {
1483	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH
1485	or next;
1486	my $path = delete $MAP_PREFETCH{$key};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}
1492	Coro::schedule;
1493	}
1494	};
1495		1802
1496	sub find_async {	1803	sub find_async {
1497	my ($path, $origin) = @_;	1804	my ($path, $origin) = @_;
1498		1805
1499	$path = new cf::path $path, $origin && $origin->path;	1806	$path = normalise $path, $origin && $origin->{path};
1500	my $key = $path->as_string;
1501		1807
1502	if (my $map = $cf::MAP{$key}) {	1808	if (my $map = $cf::MAP{$path}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}	1810	}
1505		1811
1506	$MAP_PREFETCH{$key} = $path;	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	};
1507	$MAP_PREFETCHER->ready;	1825	$MAP_PREFETCHER->prio (6);
1508		1826
1509	()	1827	()
1510	}	1828	}
1511		1829
1512	sub save {	1830	sub save {
…		…
1516		1834
1517	$self->{last_save} = $cf::RUNTIME;	1835	$self->{last_save} = $cf::RUNTIME;
1518		1836
1519	return unless $self->dirty;	1837	return unless $self->dirty;
1520		1838
1521	my $save = $self->{path}->save_path; utf8::encode $save;	1839	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1840	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		1841
1524	$self->{load_path} = $save;	1842	$self->{load_path} = $save;
1525		1843
1526	return if $self->{deny_save};	1844	return if $self->{deny_save};
1527		1845
…		…
1530	cf::async {	1848	cf::async {
1531	$_->contr->save for $self->players;	1849	$_->contr->save for $self->players;
1532	};	1850	};
1533		1851
1534	if ($uniq) {	1852	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	1855	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	1857	}
1540	}	1858	}
1541		1859
1542	sub swap_out {	1860	sub swap_out {
1543	my ($self) = @_;	1861	my ($self) = @_;
…		…
1557		1875
1558	sub reset_at {	1876	sub reset_at {
1559	my ($self) = @_;	1877	my ($self) = @_;
1560		1878
1561	# TODO: safety, remove and allow resettable per-player maps	1879	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	1880	return 1e99 if $self->{deny_reset};
1564		1881
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1882	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1883	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		1884
…		…
1572	my ($self) = @_;	1889	my ($self) = @_;
1573		1890
1574	$self->reset_at <= $cf::RUNTIME	1891	$self->reset_at <= $cf::RUNTIME
1575	}	1892	}
1576		1893
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	1894	sub reset {
1599	my ($self) = @_;	1895	my ($self) = @_;
1600		1896
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	1897	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		1898
1603	return if $self->players;	1899	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		1900
1606	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	}
1607		1912
1608	delete $cf::MAP{$self->path};	1913	delete $cf::MAP{$self->path};
		1914
		1915	$self->clear;
1609		1916
1610	$_->clear_links_to ($self) for values %cf::MAP;	1917	$_->clear_links_to ($self) for values %cf::MAP;
1611		1918
1612	$self->unlink_save;	1919	$self->unlink_save;
1613	$self->destroy;	1920	$self->destroy;
…		…
1616	my $nuke_counter = "aaaa";	1923	my $nuke_counter = "aaaa";
1617		1924
1618	sub nuke {	1925	sub nuke {
1619	my ($self) = @_;	1926	my ($self) = @_;
1620		1927
		1928	delete $cf::MAP{$self->path};
		1929
		1930	$self->unlink_save;
		1931
		1932	bless $self, "cf::map";
		1933	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	1934	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	1935	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1937
		1938	$cf::MAP{$self->path} = $self;
		1939
1624	$self->reset; # polite request, might not happen	1940	$self->reset; # polite request, might not happen
1625	}	1941	}
1626		1942
1627	sub customise_for {	1943	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		1944
1630	if ($map->per_player) {	1945	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1946	maps. May block.
		1947
		1948	=cut
		1949
		1950	sub tmp_maps() {
1632	}	1951	[
		1952	map {
		1953	utf8::decode $_;
		1954	/\.map$/
		1955	? normalise $_
		1956	: ()
		1957	} @{ aio_readdir $TMPDIR or [] }
		1958	]
		1959	}
1633		1960
1634	$map	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	]
		1977	}
		1978
		1979	=item cf::map::unique_maps
		1980
		1981	Returns an arrayref of paths of all shared maps that have
		1982	instantiated unique items. May block.
		1983
		1984	=cut
		1985
		1986	sub unique_maps() {
		1987	[
		1988	map {
		1989	utf8::decode $_;
		1990	/\.map$/
		1991	? normalise $_
		1992	: ()
		1993	} @{ aio_readdir $UNIQUEDIR or [] }
		1994	]
1635	}	1995	}
1636		1996
1637	package cf;	1997	package cf;
1638		1998
1639	=back	1999	=back
…		…
1711		2071
1712	=item $player_object->enter_link	2072	=item $player_object->enter_link
1713		2073
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2074	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2075
1716	The player should be reaosnably safe there for short amounts of time. You	2076	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2077	I<MUST> call C<leave_link> as soon as possible, though.
1718		2078
		2079	Will never block.
		2080
1719	=item $player_object->leave_link ($map, $x, $y)	2081	=item $player_object->leave_link ($map, $x, $y)
1720		2082
1721	Moves the player out of the specila link map onto the given map. If the	2083	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2084	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2085	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2086	fails, to the emergency map position.
1725		2087
1726	Might block.	2088	Might block.
1727		2089
1728	=cut	2090	=cut
		2091
		2092	sub link_map {
		2093	unless ($LINK_MAP) {
		2094	$LINK_MAP = cf::map::find "{link}"
		2095	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2096	$LINK_MAP->load;
		2097	}
		2098
		2099	$LINK_MAP
		2100	}
1729		2101
1730	sub cf::object::player::enter_link {	2102	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2103	my ($self) = @_;
1732		2104
1733	$self->deactivate_recursive;	2105	$self->deactivate_recursive;
1734		2106
1735	return if $self->map == $LINK_MAP;	2107	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2108
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2109	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2110	if $self->map && $self->map->{path} ne "{link}";
1739		2111
1740	$self->enter_map ($LINK_MAP, 20, 20);	2112	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2113	}
1742		2114
1743	sub cf::object::player::leave_link {	2115	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2116	my ($self, $map, $x, $y) = @_;
		2117
		2118	return unless $self->contr->active;
1745		2119
1746	my $link_pos = delete $self->{_link_pos};	2120	my $link_pos = delete $self->{_link_pos};
1747		2121
1748	unless ($map) {	2122	unless ($map) {
1749	# restore original map position	2123	# restore original map position
…		…
1767	$map->load;	2141	$map->load;
1768	$map->load_diag;	2142	$map->load_diag;
1769		2143
1770	return unless $self->contr->active;	2144	return unless $self->contr->active;
1771	$self->activate_recursive;	2145	$self->activate_recursive;
		2146
		2147	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2148	$self->enter_map ($map, $x, $y);
1773	}	2149	}
1774		2150
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($pl) = @_;
1778
1779	# abort map switching before logout
1780	if ($pl->ob->{_link_pos}) {
1781	cf::sync_job {
1782	$pl->ob->leave_link
1783	};
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)	2151	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1808		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
1809	=cut	2158	=cut
		2159
		2160	our $GOTOGEN;
1810		2161
1811	sub cf::object::player::goto {	2162	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2163	my ($self, $path, $x, $y, $check) = @_;
1813		2164
1814	$path = new cf::path $path;	2165	# do generation counting so two concurrent goto's will be executed in-order
1815	$path ne "/" or Carp::cluck ("oy");#d#	2166	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2167
1817	$self->enter_link;	2168	$self->enter_link;
1818		2169
1819	(async {	2170	(async {
		2171	my $map = eval {
1820	my $map = cf::map::find $path->as_string;	2172	my $map = cf::map::find $path;
		2173
		2174	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2175	$map = $map->customise_for ($self);
1822		2176	$map = $check->($map) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2177	} else {
1824	# if $map;
1825
1826	$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	}
1827		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};
1828	$self->leave_link ($map, $x, $y);	2191	$self->leave_link ($map, $x, $y);
		2192	}
1829	})->prio (1);	2193	})->prio (1);
1830	}	2194	}
1831		2195
1832	=item $player_object->enter_exit ($exit_object)	2196	=item $player_object->enter_exit ($exit_object)
1833		2197
…		…
1835		2199
1836	sub parse_random_map_params {	2200	sub parse_random_map_params {
1837	my ($spec) = @_;	2201	my ($spec) = @_;
1838		2202
1839	my $rmp = { # defaults	2203	my $rmp = { # defaults
1840	xsize => 10,	2204	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2205	ysize => (cf::rndm 15, 40),
		2206	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2207	#layout => string,
1842	};	2208	};
1843		2209
1844	for (split /\n/, $spec) {	2210	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2211	my ($k, $v) = split /\s+/, $_, 2;
1846		2212
…		…
1850	$rmp	2216	$rmp
1851	}	2217	}
1852		2218
1853	sub prepare_random_map {	2219	sub prepare_random_map {
1854	my ($exit) = @_;	2220	my ($exit) = @_;
		2221
		2222	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		2223
1856	# all this does is basically replace the /! path by	2224	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	2225	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	2226	# that depends on the exit object
1859		2227
1860	my $rmp = parse_random_map_params $exit->msg;	2228	my $rmp = parse_random_map_params $exit->msg;
1861		2229
1862	if ($exit->map) {	2230	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2231	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2232	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2233	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2234	$rmp->{origin_y} = $exit->y;
1867	}	2235	}
1868		2236
1869	$rmp->{random_seed} ||= $exit->random_seed;	2237	$rmp->{random_seed} ||= $exit->random_seed;
1870		2238
1871	my $data = cf::to_json $rmp;	2239	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	2240	my $md5 = Digest::MD5::md5_hex $data;
		2241	my $meta = "$RANDOMDIR/$md5.meta";
1873		2242
1874	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) {
1875	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;
1876		2247
1877	$exit->slaying ("?random/$md5");	2248	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2249	$exit->msg (undef);
1879	}	2250	}
1880	}	2251	}
1881		2252
1882	sub cf::object::player::enter_exit {	2253	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2254	my ($self, $exit) = @_;
1884		2255
1885	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;
1886		2268
1887	$self->enter_link;	2269	$self->enter_link;
1888		2270
1889	(async {	2271	(async {
1890	$self->deactivate_recursive; # just to be sure	2272	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	2273	unless (eval {
1892	prepare_random_map $exit	2274	$self->goto ($slaying, $hp, $sp);
1893	if $exit->slaying eq "/!";
1894
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897		2275
1898	1;	2276	1;
1899	}) {	2277	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2278	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "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. "
1902	. "Please report this to the dungeon master",	2280	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2281	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2282
1905	warn "ERROR in enter_exit: $@";	2283	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2284	$self->leave_link;
1907	}	2285	}
1908	})->prio (1);	2286	})->prio (1);
…		…
1921		2299
1922	sub cf::client::send_drawinfo {	2300	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2301	my ($self, $text, $flags) = @_;
1924		2302
1925	utf8::encode $text;	2303	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2304	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2305	}
1928		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	}
1929		2319
1930	=item $success = $client->query ($flags, "text", \&cb)	2320	=item $success = $client->query ($flags, "text", \&cb)
1931		2321
1932	Queues a query to the client, calling the given callback with	2322	Queues a query to the client, calling the given callback with
1933	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>,
…		…
1962	# get handled first	2352	# get handled first
1963	my $queue = delete $ns->{query_queue}	2353	my $queue = delete $ns->{query_queue}
1964	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
1965		2355
1966	(shift @$queue)->[1]->($msg);	2356	(shift @$queue)->[1]->($msg);
		2357	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2358
1968	push @{ $ns->{query_queue} }, @$queue;	2359	push @{ $ns->{query_queue} }, @$queue;
1969		2360
1970	if (@{ $ns->{query_queue} } == @$queue) {	2361	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2362	if (@$queue) {
…		…
2029		2420
2030	# here we export the classes and methods available to script code	2421	# here we export the classes and methods available to script code
2031		2422
2032	=pod	2423	=pod
2033		2424
2034	The following fucntions and emthods are available within a safe environment:	2425	The following functions and methods are available within a safe environment:
2035		2426
2036	cf::object contr pay_amount pay_player map	2427	cf::object contr pay_amount pay_player map
2037	cf::object::player player	2428	cf::object::player player
2038	cf::player peaceful	2429	cf::player peaceful
2039	cf::map trigger	2430	cf::map trigger
…		…
2120	=back	2511	=back
2121		2512
2122	=cut	2513	=cut
2123		2514
2124	#############################################################################	2515	#############################################################################
		2516	# the server's init and main functions
2125		2517
2126	=head2 EXTENSION DATABASE SUPPORT	2518	sub load_facedata($) {
		2519	my ($path) = @_;
2127		2520
2128	Crossfire maintains a very simple database for extension use. It can	2521	warn "loading facedata from $path\n";
2129	currently store anything that can be serialised using Storable, which
2130	excludes objects.
2131		2522
2132	The parameter C<$family> should best start with the name of the extension	2523	my $facedata;
2133	using it, it should be unique.	2524	0 < aio_load $path, $facedata
		2525	or die "$path: $!";
2134		2526
2135	=over 4	2527	$facedata = Coro::Storable::thaw $facedata;
2136		2528
2137	=item $hashref = cf::db_get $family	2529	$facedata->{version} == 2
		2530	or cf::cleanup "$path: version mismatch, cannot proceed.";
2138		2531
2139	Return a hashref for use by the extension C<$family>, which can be
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142
2143	=item $value = cf::db_get $family => $key
2144
2145	Returns a single value from the database
2146
2147	=item cf::db_put $family => $hashref
2148
2149	Stores the given family hashref into the database. Updates are delayed, if
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151
2152	=item cf::db_put $family => $key => $value
2153
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164
2165	=cut
2166
2167	our $DB;
2168
2169	{
2170	my $path = cf::localdir . "/database.pst";
2171
2172	sub db_load() {
2173	$DB = stat $path ? Storable::retrieve $path : { };
2174	}	2532	{
		2533	my $faces = $facedata->{faceinfo};
2175		2534
2176	my $pid;	2535	while (my ($face, $info) = each %$faces) {
2177		2536	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2178	sub db_save() {	2537	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2179	waitpid $pid, 0 if $pid;	2538	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2180	if (0 == ($pid = fork)) {	2539	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2181	$DB->{_meta}{version} = 1;	2540	Coro::cede;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});
2198
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}
2203
2204	sub db_get($;$) {
2205	@_ >= 2
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209
2210	sub db_put($$;$) {
2211	if (@_ >= 3) {
2212	$DB->{$_[0]}{$_[1]} = $_[2];
2213	} else {
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218
2219	cf::global->attach (
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	2541	}
2224	);
2225	}
2226		2542
2227	#############################################################################	2543	while (my ($face, $info) = each %$faces) {
2228	# 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	}
2229		2605
2230	sub cfg_load {	2606	sub cfg_load {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	2607	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	2608	or return;
2233		2609
2234	local $/;	2610	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	2611	*CFG = YAML::Syck::Load <$fh>;
2236		2612
…		…
2250		2626
2251	sub main {	2627	sub main {
2252	# we must not ever block the main coroutine	2628	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	2629	local $Coro::idle = sub {
2254	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 {
2255	async { Event::one_event };	2632	Event::one_event;
		2633	})->prio (Coro::PRIO_MAX);
2256	};	2634	};
2257		2635
2258	cfg_load;	2636	cfg_load;
2259	db_load;	2637	db_init;
2260	load_extensions;	2638	load_extensions;
		2639
		2640	$TICK_WATCHER->start;
2261	Event::loop;	2641	Event::loop;
2262	}	2642	}
2263		2643
2264	#############################################################################	2644	#############################################################################
2265	# initialisation and cleanup	2645	# initialisation and cleanup
2266		2646
2267	# install some emergency cleanup handlers	2647	# install some emergency cleanup handlers
2268	BEGIN {	2648	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2649	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2650	Event->signal (
		2651	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2652	data => WF_AUTOCANCEL,
2272	signal => $signal,	2653	signal => $signal,
		2654	prio => 0,
2273	cb => sub {	2655	cb => sub {
2274	cf::cleanup "SIG$signal";	2656	cf::cleanup "SIG$signal";
2275	},	2657	},
2276	);	2658	);
2277	}	2659	}
2278	}	2660	}
2279		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
2280	sub emergency_save() {	2700	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	2701	my $freeze_guard = cf::freeze_mainloop;
2282		2702
2283	warn "enter emergency perl save\n";	2703	warn "enter emergency perl save\n";
2284		2704
2285	cf::sync_job {	2705	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	2706	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	2707	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	2708	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	2709	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	2710	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	2711	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	2712	$pl->valid or next;
2293	$pl->save;	2713	$pl->save;
…		…
2299	my $map = $cf::MAP{$path} or next;	2719	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	2720	$map->valid or next;
2301	$map->save;	2721	$map->save;
2302	}	2722	}
2303	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 $DB_ENV;
		2727	warn "end emergency database checkpoint\n";
2304	};	2728	};
2305		2729
2306	warn "leave emergency perl save\n";	2730	warn "leave emergency perl save\n";
2307	}	2731	}
2308		2732
		2733	sub post_cleanup {
		2734	my ($make_core) = @_;
		2735
		2736	warn Carp::longmess "post_cleanup backtrace"
		2737	if $make_core;
		2738	}
		2739
2309	sub reload() {	2740	sub do_reload_perl() {
2310	# can/must only be called in main	2741	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	2742	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	2743	warn "can only reload from main coroutine";
2313	return;	2744	return;
2314	}	2745	}
2315		2746
2316	warn "reloading...";	2747	warn "reloading...";
2317		2748
2318	my $guard = freeze_mainloop;	2749	warn "entering sync_job";
		2750
		2751	cf::sync_job {
		2752	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2753	cf::emergency_save;
		2754	cf::write_runtime; # external watchdog should not bark
2320		2755
2321	eval {	2756	warn "syncing database to disk";
		2757	BDB::db_env_txn_checkpoint $DB_ENV;
		2758
2322	# 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
2323		2760
2324	# cancel all watchers	2761	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	2762	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	2764	}
2328		2765
		2766	warn "flushing outstanding aio requests";
		2767	for (;;) {
		2768	BDB::flush;
		2769	IO::AIO::flush;
		2770	Coro::cede;
		2771	last unless IO::AIO::nreqs || BDB::nreqs;
		2772	warn "iterate...";
		2773	}
		2774
		2775	++$RELOAD;
		2776
2329	# cancel all extension coros	2777	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	2778	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	2779	%EXT_CORO = ();
2332		2780
2333	# unload all extensions	2781	warn "removing commands";
2334	for (@exts) {	2782	%COMMAND = ();
		2783
		2784	warn "removing ext commands";
		2785	%EXTCMD = ();
		2786
		2787	warn "unloading/nuking all extensions";
		2788	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	2789	warn "... unloading $pkg";
2336	unload_extension $_;	2790
		2791	if (my $cb = $pkg->can ("unload")) {
		2792	eval {
		2793	$cb->($pkg);
		2794	1
		2795	} or warn "$pkg unloaded, but with errors: $@";
2337	}	2796	}
2338		2797
		2798	warn "... nuking $pkg";
		2799	Symbol::delete_package $pkg;
		2800	}
		2801
2339	# unload all modules loaded from $LIBDIR	2802	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	2803	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		2805
2343	warn "removing <$k>";	2806	warn "... unloading $k";
2344	delete $INC{$k};	2807	delete $INC{$k};
2345		2808
2346	$k =~ s/\.pm$//;	2809	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	2810	$k =~ s/\//::/g;
2348		2811
…		…
2351	}	2814	}
2352		2815
2353	Symbol::delete_package $k;	2816	Symbol::delete_package $k;
2354	}	2817	}
2355		2818
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	2819	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	2820	Symbol::delete_package "safe::$_"
2362	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);
2363		2822
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	2823	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	2824	delete $INC{"cf.pm"};
		2825	delete $INC{"cf/pod.pm"};
2369		2826
2370	# don't, removes xs symbols, too,	2827	# don't, removes xs symbols, too,
2371	# and global variables created in xs	2828	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	2829	#Symbol::delete_package __PACKAGE__;
2373		2830
2374	# reload cf.pm	2831	warn "unload completed, starting to reload now";
		2832
2375	warn "reloading cf.pm";	2833	warn "reloading cf.pm";
2376	require cf;	2834	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		2836
2379	# load config and database again	2837	warn "loading config and database again";
2380	cf::cfg_load;	2838	cf::cfg_load;
2381	cf::db_load;
2382		2839
2383	# load extensions
2384	warn "load extensions";	2840	warn "loading extensions";
2385	cf::load_extensions;	2841	cf::load_extensions;
2386		2842
2387	# reattach attachments to objects	2843	warn "reattaching attachments to objects/players";
2388	warn "reattach";	2844	_global_reattach; # objects, sockets
2389	_global_reattach;	2845	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	2846	reattach $_ for values %MAP;
2391	};	2847	warn "reattaching attachments to players";
		2848	reattach $_ for values %PLAYER;
2392		2849
2393	if ($@) {	2850	warn "leaving sync_job";
		2851
		2852	1
		2853	} or do {
2394	warn $@;	2854	warn $@;
2395	warn "error while reloading, exiting.";	2855	warn "error while reloading, exiting.";
2396	exit 1;	2856	exit 1;
2397	}	2857	};
2398		2858
2399	warn "reloaded successfully";	2859	warn "reloaded";
2400	};	2860	};
2401		2861
2402	#############################################################################	2862	our $RELOAD_WATCHER; # used only during reload
2403		2863
2404	unless ($LINK_MAP) {	2864	sub reload_perl() {
2405	$LINK_MAP = cf::map::new;	2865	# doing reload synchronously and two reloads happen back-to-back,
		2866	# coro crashes during coro_state_free->destroy here.
2406		2867
2407	$LINK_MAP->width (41);	2868	$RELOAD_WATCHER ||= Event->timer (
2408	$LINK_MAP->height (41);	2869	reentrant => 0,
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,	2870	after => 0,
		2871	data => WF_AUTOCANCEL,
2417	cb => sub {	2872	cb => sub {
2418	$_[0]->w->cancel;	2873	do_reload_perl;
2419		2874	undef $RELOAD_WATCHER;
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});	2875	},
2438		2876	);
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	2877	}
2444
2445	register "<global>", __PACKAGE__;
2446		2878
2447	register_command "reload" => sub {	2879	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	2880	my ($who, $arg) = @_;
2449		2881
2450	if ($who->flag (FLAG_WIZ)) {	2882	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	2883	$who->message ("reloading server.");
		2884	async { reload_perl };
2454	}	2885	}
2455	};	2886	};
2456		2887
2457	unshift @INC, $LIBDIR;	2888	unshift @INC, $LIBDIR;
2458		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;
2459	$TICK_WATCHER = Event->timer (	2915	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	2916	reentrant => 0,
		2917	parked => 1,
2461	prio => 0,	2918	prio => 0,
2462	at => $NEXT_TICK || $TICK,	2919	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	2920	data => WF_AUTOCANCEL,
2464	cb => sub {	2921	cb => sub {
		2922	if ($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
		2928	$NOW = $tick_start = Event::time;
		2929
2465	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
2466	$RUNTIME += $TICK;	2955	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	2956	$NEXT_TICK += $TICK;
2468		2957
2469	$WAIT_FOR_TICK->broadcast;	2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470	$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;
2471		2977
2472	# 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
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2474		2980
2475	$TICK_WATCHER->at ($NEXT_TICK);	2981	$TICK_WATCHER->at ($NEXT_TICK);
2476	$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
2477	},	2990	},
2478	);	2991	);
2479		2992
		2993	{
2480	IO::AIO::max_poll_time $TICK * 0.2;	2994	BDB::max_poll_time $TICK * 0.1;
2481		2995	$BDB_POLL_WATCHER = Event->io (
2482	Event->io (	2996	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	2997	fd => BDB::poll_fileno,
2484	poll => 'r',	2998	poll => 'r',
2485	prio => 5,	2999	prio => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,	3000	data => WF_AUTOCANCEL,
2492	after => 0,	3001	cb => \&BDB::poll_cb,
2493	interval => 10,	3002	);
2494	cb => sub {	3003	BDB::min_parallel 8;
2495	(Coro::unblock_sub {	3004
2496	write_runtime	3005	BDB::set_sync_prepare {
2497	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 $@;
2498	})->();	3039	};
2499	},	3040	}
2500	);	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;
2501		3098
2502	END { cf::emergency_save }	3099	END { cf::emergency_save }
2503		3100
2504	1	3101	1
2505		3102

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