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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.284 by root, Sun Jun 24 04:15:42 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	76	our $NEXT_TICK;
50	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
51		82
52	our %CFG;	83	our %CFG;
53		84
54	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	86	our $RUNTIME;
56		87
57	our %PLAYER; # all users	88	our %PLAYER; # all users
58	our %MAP; # all maps	89	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		91
65	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
		98
68	binmode STDOUT;	99	binmode STDOUT;
69	binmode STDERR;	100	binmode STDERR;
70		101
71	# read virtual server time, if available	102	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
76	}	107	}
77		108
78	mkdir cf::localdir;	109	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		111
84	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
85		115
86	#############################################################################	116	#############################################################################
87		117
88	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
89		119
…		…
96	=item $cf::RUNTIME	126	=item $cf::RUNTIME
97		127
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	129	every server tick.
100		130
101	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		134
103	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
105		139
106	=item $cf::NOW	140	=item $cf::NOW
107		141
108	The time of the last (current) server tick.	142	The time of the last (current) server tick.
109		143
110	=item $cf::TICK	144	=item $cf::TICK
111		145
112	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
113		157
114	=item %cf::CFG	158	=item %cf::CFG
115		159
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	161	from wherever your confdir points to.
118		162
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		164
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.
125		168
126	=back	169	=back
127		170
128	=cut	171	=cut
129		172
130	BEGIN {	173	BEGIN {
131	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	175	my $msg = join "", @_;
133	utf8::encode $msg;
134		176
135	$msg .= "\n"	177	$msg .= "\n"
136	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
137		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
138	LOG llevError, $msg;	183	LOG llevError, $msg;
139	};	184	};
140	}	185	}
141		186
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		194
149	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	196	# within the Safe compartment.
151	for my $pkg (qw(	197	for my $pkg (qw(
152	cf::global cf::attachable	198	cf::global cf::attachable
…		…
160	}	206	}
161		207
162	$Event::DIED = sub {	208	$Event::DIED = sub {
163	warn "error in event callback: @_";	209	warn "error in event callback: @_";
164	};	210	};
		211
		212	#############################################################################
165		213
166	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
167		215
168	=over 4	216	=over 4
169		217
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	237	$d
190	} || "[unable to dump $_[0]: '$@']";	238	} || "[unable to dump $_[0]: '$@']";
191	}	239	}
192		240
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194		242
195	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
196		244
197	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
198		246
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
207		248
208	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		250
217	=item cf::lock_wait $string	251	=item cf::lock_wait $string
218		252
219	Wait until the given lock is available. See cf::lock_acquire.	253	Wait until the given lock is available. See cf::lock_acquire.
220		254
…		…
226	returned.	260	returned.
227		261
228	Lock names should begin with a unique identifier (for example, cf::map::find	262	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	263	uses map_find and cf::map::load uses map_load).
230		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
		268
231	=cut	269	=cut
232		270
233	our %LOCK;	271	our %LOCK;
234		272
235	sub lock_wait($) {	273	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	292	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	293	$_->ready for @{ delete $LOCK{$key} };
256	}	294	}
257	}	295	}
258		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
		301	}
		302
259	sub freeze_mainloop {	303	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	304	return unless $TICK_WATCHER->is_active;
261		305
262	my $guard = Coro::guard { $TICK_WATCHER->start };	306	my $guard = Coro::guard {
		307	$TICK_WATCHER->start;
		308	};
263	$TICK_WATCHER->stop;	309	$TICK_WATCHER->stop;
264	$guard	310	$guard
265	}	311	}
266		312
267	=item cf::async { BLOCK }	313	=item cf::async { BLOCK }
…		…
274		320
275	BEGIN { *async = \&Coro::async_pool }	321	BEGIN { *async = \&Coro::async_pool }
276		322
277	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
278		324
279	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
282		329
283	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
286	fast or be very important.	333	fast or be very important.
…		…
289		336
290	sub sync_job(&) {	337	sub sync_job(&) {
291	my ($job) = @_;	338	my ($job) = @_;
292		339
293	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
294	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
296		345
297	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	347	# (but this is cancel-safe)
…		…
309		358
310	while ($busy) {	359	while ($busy) {
311	Coro::cede or Event::one_event;	360	Coro::cede or Event::one_event;
312	}	361	}
313		362
		363	$time = Event::time - $time;
		364
		365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		367
		368	$tick_start += $time; # do not account sync jobs to server load
		369
314	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
315	} else {	371	} else {
316	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
317		373
318	$job->()	374	$job->()
…		…
337	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
338		394
339	$coro	395	$coro
340	}	396	}
341		397
342	sub write_runtime {	398	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		399
345	my $runtime = cf::localdir . "/runtime";	400	Executes the given code block with the given arguments in a seperate
		401	process, returning the results. Everything must be serialisable with
		402	Coro::Storable. May, of course, block. Note that the executed sub may
		403	never block itself or use any form of Event handling.
346		404
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	=cut
348	or return;
349		406
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	407	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	408	my ($cb, @args) = @_;
352	and return;
353		409
354	aio_fsync $fh	410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
355	and return;	411	# or die "socketpair: $!";
		412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
356		414
		415	if (my $pid = fork) {
357	close $fh	416	close $fh2;
358	or return;
359		417
360	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
361	and return;	419	$res = Coro::Storable::thaw $res;
362		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
363	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		473	my $key = "$_[0]/$_[1]";
		474
		475	cf::sync_job {
		476	BDB::db_get $DB, undef, $key, my $data;
		477
		478	$! ? ()
		479	: $data
		480	}
		481	}
		482
		483	sub db_put($$$) {
		484	BDB::dbreq_pri 4;
		485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		486	}
		487
		488	=item cf::cache $id => [$paths...], $processversion => $process
		489
		490	Generic caching function that returns the value of the resource $id,
		491	caching and regenerating as required.
		492
		493	This function can block.
		494
		495	=cut
		496
		497	sub cache {
		498	my ($id, $src, $processversion, $process) = @_;
		499
		500	my $meta =
		501	join "\x00",
		502	$processversion,
		503	map {
		504	aio_stat $_
		505	and Carp::croak "$_: $!";
		506
		507	($_, (stat _)[7,9])
		508	} @$src;
		509
		510	my $dbmeta = db_get cache => "$id/meta";
		511	if ($dbmeta ne $meta) {
		512	# changed, we may need to process
		513
		514	my @data;
		515	my $md5;
		516
		517	for (0 .. $#$src) {
		518	0 <= aio_load $src->[$_], $data[$_]
		519	or Carp::croak "$src->[$_]: $!";
		520	}
		521
		522	# if processing is expensive, check
		523	# checksum first
		524	if (1) {
		525	$md5 =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	Coro::cede;
		530	($src->[$_], Digest::MD5::md5_hex $data[$_])
		531	} 0.. $#$src;
		532
		533
		534	my $dbmd5 = db_get cache => "$id/md5";
		535	if ($dbmd5 eq $md5) {
		536	db_put cache => "$id/meta", $meta;
		537
		538	return db_get cache => "$id/data";
		539	}
		540	}
		541
		542	my $t1 = Time::HiRes::time;
		543	my $data = $process->(\@data);
		544	my $t2 = Time::HiRes::time;
		545
		546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		547
		548	db_put cache => "$id/data", $data;
		549	db_put cache => "$id/md5" , $md5;
		550	db_put cache => "$id/meta", $meta;
		551
		552	return $data;
		553	}
		554
		555	db_get cache => "$id/data"
		556	}
		557
		558	=item cf::datalog type => key => value, ...
		559
		560	Log a datalog packet of the given type with the given key-value pairs.
		561
		562	=cut
		563
		564	sub datalog($@) {
		565	my ($type, %kv) = @_;
		566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	567	}
365		568
366	=back	569	=back
367		570
368	=cut	571	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	578	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
377		580
378	In the following description, CLASS can be any of C<global>, C<object>	581	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	582	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	583	Crossfire TRT).
381		584
382	=over 4	585	=over 4
383		586
384	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
385		588
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	702	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	703	our @CB_MAP = ();
501		704
502	my %attachment;	705	my %attachment;
503		706
		707	sub cf::attachable::thawer_merge {
		708	# simply override everything except _meta
		709	local $_[0]{_meta};
		710	%{$_[0]} = %{$_[1]};
		711	}
		712
504	sub _attach_cb($$$$) {	713	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	714	my ($registry, $event, $prio, $cb) = @_;
506		715
507	use sort 'stable';	716	use sort 'stable';
508		717
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
543		752
544	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		757
549	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	759	my $pkg = shift @arg;
551		760
552	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
582	}	791	}
583		792
584	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
585	} else {	794	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	796	}
588		797
589	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
590	}	799	}
591		800
…		…
593	if (ref $_[0]) {	802	if (ref $_[0]) {
594	_object_attach @_;	803	_object_attach @_;
595	} else {	804	} else {
596	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
597	}	806	}
		807	_recalc_want;
598	};	808	};
599		809
600	# all those should be optimised	810	# all those should be optimised
601	sub cf::attachable::detach {	811	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
606	reattach ($obj);	816	reattach ($obj);
607	} else {	817	} else {
608	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
609	}	819	}
		820	_recalc_want;
610	};	821	};
611		822
612	sub cf::attachable::attached {	823	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
614		825
…		…
679	# object support	890	# object support
680		891
681	sub reattach {	892	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	893	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	894	my ($obj) = @_;
		895
		896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		897
685	my $registry = $obj->registry;	898	my $registry = $obj->registry;
686		899
687	@$registry = ();	900	@$registry = ();
688		901
…		…
735	$filename, length $$rdata, scalar @$objs;	948	$filename, length $$rdata, scalar @$objs;
736		949
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	951	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	953	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	954	close $fh;
742		955
743	if (@$objs) {	956	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	959	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	960	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	962	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	963	aio_rename "$filename.pst~", "$filename.pst";
751	}	964	}
752	} else {	965	} else {
753	aio_unlink "$filename.pst";	966	aio_unlink "$filename.pst";
…		…
785	or return;	998	or return;
786	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1000	}
788		1001
789	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
791	return ($data, $av);	1004	return ($data, $av);
792	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
793		1012
794	#############################################################################	1013	#############################################################################
795	# command handling &c	1014	# command handling &c
796		1015
797	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1030	}
812		1031
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1033
815	Register a callbackf ro execution when the client sends an extcmd packet.	1034	Register a callback fro execution when the client sends an extcmd packet.
816		1035
817	If the callback returns something, it is sent back as if reply was being	1036	If the callback returns something, it is sent back as if reply was being
818	called.	1037	called.
819		1038
820	=cut	1039	=cut
…		…
855		1074
856	cf::override;	1075	cf::override;
857	},	1076	},
858	);	1077	);
859		1078
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
895	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1084	next unless -r $path;
897	eval {	1085
898	load_extension $ext;	1086	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1087	my $base = $1;
		1088	my $pkg = $1;
		1089	$pkg =~ s/[^[:word:]]/_/g;
		1090	$pkg = "ext::$pkg";
		1091
		1092	open my $fh, "<:utf8", $path
		1093	or die "$path: $!";
		1094
		1095	my $source = do { local $/; <$fh> };
		1096
		1097	my %ext = (
		1098	path => $path,
		1099	base => $base,
		1100	pkg => $pkg,
		1101	);
		1102
		1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1105
		1106	$ext{source} =
		1107	"package $pkg; use strict; use utf8;\n"
		1108	. "#line 1 \"$path\"\n{\n"
		1109	. $source
		1110	. "\n};\n1";
		1111
		1112	$todo{$base} = \%ext;
		1113	}
		1114
		1115	my %done;
		1116	while (%todo) {
		1117	my $progress;
		1118
		1119	while (my ($k, $v) = each %todo) {
		1120	for (split /,\s*/, $v->{meta}{depends}) {
		1121	goto skip
		1122	unless exists $done{$_};
		1123	}
		1124
		1125	warn "... loading '$k' into '$v->{pkg}'\n";
		1126
		1127	unless (eval $v->{source}) {
		1128	my $msg = $@ ? "$v->{path}: $@\n"
		1129	: "$v->{base}: extension inactive.\n";
		1130
		1131	if (exists $v->{meta}{mandatory}) {
		1132	warn $msg;
		1133	warn "mandatory extension failed to load, exiting.\n";
		1134	exit 1;
		1135	}
		1136
		1137	warn $msg;
		1138	}
		1139
		1140	$done{$k} = delete $todo{$k};
		1141	push @EXTS, $v->{pkg};
		1142	$progress = 1;
899	1	1143	}
900	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
901	}	1149	};
902	}	1150	}
903		1151
904	#############################################################################	1152	#############################################################################
905	# load/save/clean perl data associated with a map
906		1153
907	*cf::mapsupport::on_clean = sub {	1154	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1155
920	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
921		1157
922	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
923		1159
…		…
936	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
937		1173
938	=cut	1174	=cut
939		1175
940	sub playerdir($) {	1176	sub playerdir($) {
941	cf::localdir	1177	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1179	}
947		1180
948	sub path($) {	1181	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1183
951	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
952	}	1185	}
953		1186
954	sub find_active($) {	1187	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
959		1192
960	sub exists($) {	1193	sub exists($) {
961	my ($login) = @_;	1194	my ($login) = @_;
962		1195
963	$cf::PLAYER{$login}	1196	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1197	or cf::sync_job { !aio_stat path $login }
965	}	1198	}
966		1199
967	sub find($) {	1200	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1201	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1202	my $login = $_[0];
970		1203
971	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
972		1205
973	$cf::PLAYER{$_[0]} || do {	1206	$cf::PLAYER{$_[0]} || do {
		1207	# rename old playerfiles to new ones
		1208	#TODO: remove when no longer required
		1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1212	aio_unlink +(playerdir $login) . "/$login.pl";
		1213
974	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
975	or return;	1215	or return;
976	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
977	}	1217	}
978	}	1218	}
…		…
1015		1255
1016	=cut	1256	=cut
1017		1257
1018	sub quit_character {	1258	sub quit_character {
1019	my ($pl) = @_;	1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
1020		1262
1021	$pl->{deny_save} = 1;	1263	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1264	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1265
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1271	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1272	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1273	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1274	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1275	$pl->destroy;
		1276
		1277	my $prefix = qr<^~\Q$name\E/>;
		1278
		1279	# nuke player maps
		1280	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1281
1034	IO::AIO::aio_rmtree $temp;	1282	IO::AIO::aio_rmtree $temp;
		1283	}
		1284
		1285	=item $pl->kick
		1286
		1287	Kicks a player out of the game. This destroys the connection.
		1288
		1289	=cut
		1290
		1291	sub kick {
		1292	my ($pl, $kicker) = @_;
		1293
		1294	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1295	$pl->killer ("kicked");
		1296	$pl->ns->destroy;
1035	}	1297	}
1036		1298
1037	=item cf::player::list_logins	1299	=item cf::player::list_logins
1038		1300
1039	Returns am arrayref of all valid playernames in the system, can take a	1301	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1041		1303
1042	=cut	1304	=cut
1043		1305
1044	sub list_logins {	1306	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1308	or return [];
1047		1309
1048	my @logins;	1310	my @logins;
1049		1311
1050	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
…		…
1067	=cut	1329	=cut
1068		1330
1069	sub maps($) {	1331	sub maps($) {
1070	my ($pl) = @_;	1332	my ($pl) = @_;
1071		1333
		1334	$pl = ref $pl ? $pl->ob->name : $pl;
		1335
1072	my $files = aio_readdir playerdir $pl	1336	my $files = aio_readdir playerdir $pl
1073	or return;	1337	or return;
1074		1338
1075	my @paths;	1339	my @paths;
1076		1340
1077	for (@$files) {	1341	for (@$files) {
1078	utf8::decode $_;	1342	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1343	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1344	next unless /^$PATH_SEP/o;
1081		1345
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1346	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1347	}
1084		1348
1085	\@paths	1349	\@paths
1086	}	1350	}
1087		1351
		1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1353
		1354	Expand crossfire pod fragments into protocol xml.
		1355
		1356	=cut
		1357
		1358	sub expand_cfpod {
		1359	((my $self), (local $_)) = @_;
		1360
		1361	# escape & and <
		1362	s/&/&amp;/g;
		1363	s/(?<![BIUGH])</&lt;/g;
		1364
		1365	# this is buggy, it needs to properly take care of nested <'s
		1366
		1367	1 while
		1368	# replace B<>, I<>, U<> etc.
		1369	s/B<([^\>]*)>/<b>$1<\/b>/
		1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1372	# replace G<male|female> tags
		1373	|| s{G<([^>|]*)\|([^>]*)>}{
		1374	$self->gender ? $2 : $1
		1375	}ge
		1376	# replace H<hint text>
		1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1378
		1379	# create single paragraphs (very hackish)
		1380	s/(?<=\S)\n(?=\w)/ /g;
		1381
		1382	$_
		1383	}
		1384
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1385	=item $player->ext_reply ($msgid, %msg)
1089		1386
1090	Sends an ext reply to the player.	1387	Sends an ext reply to the player.
1091		1388
1092	=cut	1389	=cut
1093		1390
1094	sub ext_reply($$$%) {	1391	sub ext_reply($$%) {
1095	my ($self, $id, %msg) = @_;	1392	my ($self, $id, %msg) = @_;
1096		1393
1097	$msg{msgid} = $id;	1394	$msg{msgid} = $id;
1098		1395
1099	$self->send ("ext " . cf::to_json \%msg);	1396	$self->send ("ext " . cf::to_json \%msg);
1100	}	1397	}
1101		1398
1102	package cf;	1399	=item $player->ext_event ($type, %msg)
		1400
		1401	Sends an ext event to the client.
		1402
		1403	=cut
		1404
		1405	sub ext_event($$%) {
		1406	my ($self, $type, %msg) = @_;
		1407
		1408	$self->ns->ext_event ($type, %msg);
		1409	}
		1410
		1411	=head3 cf::region
		1412
		1413	=over 4
		1414
		1415	=cut
		1416
		1417	package cf::region;
		1418
		1419	=item cf::region::find_by_path $path
		1420
		1421	Tries to decuce the likely region for a map knowing only its path.
		1422
		1423	=cut
		1424
		1425	sub find_by_path($) {
		1426	my ($path) = @_;
		1427
		1428	my ($match, $specificity);
		1429
		1430	for my $region (list) {
		1431	if ($region->match && $path =~ $region->match) {
		1432	($match, $specificity) = ($region, $region->specificity)
		1433	if $region->specificity > $specificity;
		1434	}
		1435	}
		1436
		1437	$match
		1438	}
1103		1439
1104	=back	1440	=back
1105
1106		1441
1107	=head3 cf::map	1442	=head3 cf::map
1108		1443
1109	=over 4	1444	=over 4
1110		1445
…		…
1114		1449
1115	use Fcntl;	1450	use Fcntl;
1116	use Coro::AIO;	1451	use Coro::AIO;
1117		1452
1118	use overload	1453	use overload
1119	'""' => \&as_string;	1454	'""' => \&as_string,
		1455	fallback => 1;
1120		1456
1121	our $MAX_RESET = 3600;	1457	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1458	our $DEFAULT_RESET = 3000;
1123		1459
1124	sub generate_random_map {	1460	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1461	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1462	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1463	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1473	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1474	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1475	)
1141	}	1476	}
1142		1477
		1478	=item cf::map->register ($regex, $prio)
		1479
		1480	Register a handler for the map path matching the given regex at the
		1481	givne priority (higher is better, built-in handlers have priority 0, the
		1482	default).
		1483
		1484	=cut
		1485
1143	sub register {	1486	sub register {
1144	my (undef, $regex) = @_;	1487	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1488	my $pkg = caller;
1146		1489
1147	no strict;	1490	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1491	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1492
1150	$EXT_MAP{$pkg} = qr<$regex>;	1493	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1494	}
1152		1495
1153	# also paths starting with '/'	1496	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1497	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1498
		1499	sub thawer_merge {
		1500	my ($self, $merge) = @_;
		1501
		1502	# we have to keep some variables in memory intact
		1503	local $self->{path};
		1504	local $self->{load_path};
		1505
		1506	$self->SUPER::thawer_merge ($merge);
		1507	}
1155		1508
1156	sub normalise {	1509	sub normalise {
1157	my ($path, $base) = @_;	1510	my ($path, $base) = @_;
		1511
		1512	$path = "$path"; # make sure its a string
		1513
		1514	$path =~ s/\.map$//;
1158		1515
1159	# map plan:	1516	# map plan:
1160	#	1517	#
1161	# /! non-realised random map exit (special hack!)	1518	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1519	# {... are special paths that are not being touched
…		…
1190		1547
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1548	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1549
1193	$path = normalise $path, $base;	1550	$path = normalise $path, $base;
1194		1551
1195	for my $pkg (keys %EXT_MAP) {	1552	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1553	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1554	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1555	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1556	$self->init; # pass $1 etc.
1200	return $self;	1557	return $self;
1201	}	1558	}
1202	}	1559	}
1203		1560
1204	Carp::carp "unable to resolve path '$path'.";	1561	Carp::carp "unable to resolve path '$path' (base '$base').";
1205	()	1562	()
1206	}	1563	}
1207		1564
1208	sub init {	1565	sub init {
1209	my ($self) = @_;	1566	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1577	# the displayed name, this is a one way mapping
1221	sub visible_name {	1578	sub visible_name {
1222	&as_string	1579	&as_string
1223	}	1580	}
1224		1581
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1582	# the original (read-only) location
1233	sub load_path {	1583	sub load_path {
1234	my ($self) = @_;	1584	my ($self) = @_;
1235		1585
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1586	"$MAPDIR/$self->{path}.map"
1237	}	1587	}
1238		1588
1239	# the temporary/swap location	1589	# the temporary/swap location
1240	sub save_path {	1590	sub save_path {
1241	my ($self) = @_;	1591	my ($self) = @_;
1242		1592
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1594	"$TMPDIR/$path.map"
1244	}	1595	}
1245		1596
1246	# the unique path, undef == no special unique path	1597	# the unique path, undef == no special unique path
1247	sub uniq_path {	1598	sub uniq_path {
1248	my ($self) = @_;	1599	my ($self) = @_;
1249		1600
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1602	"$UNIQUEDIR/$path"
1251	}	1603	}
1252		1604
1253	# and all this just because we cannot iterate over	1605	# and all this just because we cannot iterate over
1254	# all maps in C++...	1606	# all maps in C++...
1255	sub change_all_map_light {	1607	sub change_all_map_light {
…		…
1257		1609
1258	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1611	for grep $_->outdoor, values %cf::MAP;
1260	}	1612	}
1261		1613
		1614	sub decay_objects {
		1615	my ($self) = @_;
		1616
		1617	return if $self->{deny_reset};
		1618
		1619	$self->do_decay_objects;
		1620	}
		1621
1262	sub unlink_save {	1622	sub unlink_save {
1263	my ($self) = @_;	1623	my ($self) = @_;
1264		1624
1265	utf8::encode (my $save = $self->save_path);	1625	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1626	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1627	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1628	}
1269		1629
1270	sub load_header_from($) {	1630	sub load_header_from($) {
1271	my ($self, $path) = @_;	1631	my ($self, $path) = @_;
1272		1632
1273	utf8::encode $path;	1633	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1634	#aio_open $path, O_RDONLY, 0
1275	or return;	1635	# or return;
1276		1636
1277	$self->_load_header ($path)	1637	$self->_load_header ($path)
1278	or return;	1638	or return;
1279		1639
1280	$self->{load_path} = $path;	1640	$self->{load_path} = $path;
1281		1641
1282	1	1642	1
1283	}	1643	}
1284		1644
1285	sub load_orig {	1645	sub load_header_orig {
1286	my ($self) = @_;	1646	my ($self) = @_;
1287		1647
1288	$self->load_header_from ($self->load_path)	1648	$self->load_header_from ($self->load_path)
1289	}	1649	}
1290		1650
1291	sub load_temp {	1651	sub load_header_temp {
1292	my ($self) = @_;	1652	my ($self) = @_;
1293		1653
1294	$self->load_header_from ($self->save_path)	1654	$self->load_header_from ($self->save_path)
		1655	}
		1656
		1657	sub prepare_temp {
		1658	my ($self) = @_;
		1659
		1660	$self->last_access ((delete $self->{last_access})
		1661	|| $cf::RUNTIME); #d#
		1662	# safety
		1663	$self->{instantiate_time} = $cf::RUNTIME
		1664	if $self->{instantiate_time} > $cf::RUNTIME;
		1665	}
		1666
		1667	sub prepare_orig {
		1668	my ($self) = @_;
		1669
		1670	$self->{load_original} = 1;
		1671	$self->{instantiate_time} = $cf::RUNTIME;
		1672	$self->last_access ($cf::RUNTIME);
		1673	$self->instantiate;
1295	}	1674	}
1296		1675
1297	sub load_header {	1676	sub load_header {
1298	my ($self) = @_;	1677	my ($self) = @_;
1299		1678
1300	if ($self->load_temp) {	1679	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1680	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1681	} else {
1307	$self->load_orig	1682	$self->load_header_orig
1308	or return;	1683	or return;
1309		1684	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1685	}
		1686
		1687	$self->{deny_reset} = 1
		1688	if $self->no_reset;
		1689
		1690	$self->default_region (cf::region::find_by_path $self->{path})
		1691	unless $self->default_region;
1315		1692
1316	1	1693	1
1317	}	1694	}
1318		1695
1319	sub find;	1696	sub find;
…		…
1332	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1333		1710
1334	$map->load_header	1711	$map->load_header
1335	or return;	1712	or return;
1336		1713
1337	if ($map->should_reset) {	1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1715	# doing this can freeze the server in a sync job, obviously
		1716	#$cf::WAIT_FOR_TICK->wait;
1338	$map->reset;	1717	$map->reset;
1339	undef $guard;	1718	undef $guard;
1340	$map = find $path	1719	return find $path;
1341	or return;
1342	}	1720	}
1343		1721
1344	$cf::MAP{$path} = $map	1722	$cf::MAP{$path} = $map
1345	}	1723	}
1346	}	1724	}
		1725
		1726	sub pre_load { }
		1727	sub post_load { }
1347		1728
1348	sub load {	1729	sub load {
1349	my ($self) = @_;	1730	my ($self) = @_;
1350		1731
		1732	local $self->{deny_reset} = 1; # loading can take a long time
		1733
1351	my $path = $self->{path};	1734	my $path = $self->{path};
		1735
		1736	{
1352	my $guard = cf::lock_acquire "map_load:$path";	1737	my $guard = cf::lock_acquire "map_load:$path";
1353		1738
1354	return if $self->in_memory != cf::MAP_SWAPPED;	1739	return if $self->in_memory != cf::MAP_SWAPPED;
1355		1740
1356	$self->in_memory (cf::MAP_LOADING);	1741	$self->in_memory (cf::MAP_LOADING);
1357		1742
1358	$self->alloc;	1743	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)
1360	or return;
1361		1744
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1745	$self->pre_load;
1363	if delete $self->{load_original};
1364
1365	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {
1368	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);
1370	}
1371	}
1372
1373	Coro::cede;
1374
1375	# now do the right thing for maps
1376	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;	1746	Coro::cede;
1383	$self->set_darkness_map;	1747
		1748	$self->_load_objects ($self->{load_path}, 1)
		1749	or return;
		1750
		1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1752	if delete $self->{load_original};
		1753
		1754	if (my $uniq = $self->uniq_path) {
		1755	utf8::encode $uniq;
		1756	if (aio_open $uniq, O_RDONLY, 0) {
		1757	$self->clear_unique_items;
		1758	$self->_load_objects ($uniq, 0);
		1759	}
		1760	}
		1761
		1762	Coro::cede;
		1763	# now do the right thing for maps
		1764	$self->link_multipart_objects;
1384	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1766	unless $self->difficulty;
1386	Coro::cede;	1767	Coro::cede;
		1768
		1769	unless ($self->{deny_activate}) {
		1770	$self->decay_objects;
		1771	$self->fix_auto_apply;
		1772	$self->update_buttons;
		1773	Coro::cede;
		1774	$self->set_darkness_map;
		1775	Coro::cede;
1387	$self->activate;	1776	$self->activate;
1388	}	1777	}
1389		1778
1390	$self->in_memory (cf::MAP_IN_MEMORY);	1779	$self->in_memory (cf::MAP_IN_MEMORY);
		1780	}
		1781
		1782	$self->post_load;
1391	}	1783	}
1392		1784
1393	sub customise_for {	1785	sub customise_for {
1394	my ($self, $ob) = @_;	1786	my ($self, $ob) = @_;
1395		1787
1396	return find "~" . $ob->name . "/" . $self->{path}	1788	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	1789	if $self->per_player;
		1790
		1791	# return find "?party/" . $ob->name . "/" . $self->{path}
		1792	# if $self->per_party;
1398		1793
1399	$self	1794	$self
1400	}	1795	}
1401		1796
1402	# find and load all maps in the 3x3 area around a map	1797	# find and load all maps in the 3x3 area around a map
…		…
1434		1829
1435	cf::sync_job { $map->load };	1830	cf::sync_job { $map->load };
1436	}	1831	}
1437		1832
1438	our %MAP_PREFETCH;	1833	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	1834	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		1835
1452	sub find_async {	1836	sub find_async {
1453	my ($path, $origin) = @_;	1837	my ($path, $origin) = @_;
1454		1838
1455	$path = normalise $path, $origin && $origin->{path};	1839	$path = normalise $path, $origin && $origin->{path};
1456		1840
1457	if (my $map = $cf::MAP{$path}) {	1841	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1459	}	1843	}
1460		1844
1461	$MAP_PREFETCH{$path} = 0;	1845	undef $MAP_PREFETCH{$path};
		1846	$MAP_PREFETCHER ||= cf::async {
		1847	while (%MAP_PREFETCH) {
		1848	for my $path (keys %MAP_PREFETCH) {
		1849	my $map = find $path
		1850	or next;
		1851	$map->load;
		1852
		1853	delete $MAP_PREFETCH{$path};
		1854	}
		1855	}
		1856	undef $MAP_PREFETCHER;
		1857	};
1462	$MAP_PREFETCHER->ready;	1858	$MAP_PREFETCHER->prio (6);
1463		1859
1464	()	1860	()
1465	}	1861	}
1466		1862
1467	sub save {	1863	sub save {
…		…
1512		1908
1513	sub reset_at {	1909	sub reset_at {
1514	my ($self) = @_;	1910	my ($self) = @_;
1515		1911
1516	# TODO: safety, remove and allow resettable per-player maps	1912	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	1913	return 1e99 if $self->{deny_reset};
1519		1914
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		1917
…		…
1527	my ($self) = @_;	1922	my ($self) = @_;
1528		1923
1529	$self->reset_at <= $cf::RUNTIME	1924	$self->reset_at <= $cf::RUNTIME
1530	}	1925	}
1531		1926
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	1927	sub reset {
1547	my ($self) = @_;	1928	my ($self) = @_;
1548		1929
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		1931
1551	return if $self->players;	1932	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		1933
1554	warn "resetting map ", $self->path;#d#	1934	warn "resetting map ", $self->path;
		1935
		1936	$self->in_memory (cf::MAP_SWAPPED);
		1937
		1938	# need to save uniques path
		1939	unless ($self->{deny_save}) {
		1940	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1941
		1942	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1943	if $uniq;
		1944	}
1555		1945
1556	delete $cf::MAP{$self->path};	1946	delete $cf::MAP{$self->path};
		1947
		1948	$self->clear;
1557		1949
1558	$_->clear_links_to ($self) for values %cf::MAP;	1950	$_->clear_links_to ($self) for values %cf::MAP;
1559		1951
1560	$self->unlink_save;	1952	$self->unlink_save;
1561	$self->destroy;	1953	$self->destroy;
…		…
1564	my $nuke_counter = "aaaa";	1956	my $nuke_counter = "aaaa";
1565		1957
1566	sub nuke {	1958	sub nuke {
1567	my ($self) = @_;	1959	my ($self) = @_;
1568		1960
		1961	delete $cf::MAP{$self->path};
		1962
		1963	$self->unlink_save;
		1964
		1965	bless $self, "cf::map";
		1966	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	1967	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	1968	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1970
		1971	$cf::MAP{$self->path} = $self;
		1972
1572	$self->reset; # polite request, might not happen	1973	$self->reset; # polite request, might not happen
		1974	}
		1975
		1976	=item $maps = cf::map::tmp_maps
		1977
		1978	Returns an arrayref with all map paths of currently instantiated and saved
		1979	maps. May block.
		1980
		1981	=cut
		1982
		1983	sub tmp_maps() {
		1984	[
		1985	map {
		1986	utf8::decode $_;
		1987	/\.map$/
		1988	? normalise $_
		1989	: ()
		1990	} @{ aio_readdir $TMPDIR or [] }
		1991	]
		1992	}
		1993
		1994	=item $maps = cf::map::random_maps
		1995
		1996	Returns an arrayref with all map paths of currently instantiated and saved
		1997	random maps. May block.
		1998
		1999	=cut
		2000
		2001	sub random_maps() {
		2002	[
		2003	map {
		2004	utf8::decode $_;
		2005	/\.map$/
		2006	? normalise "?random/$_"
		2007	: ()
		2008	} @{ aio_readdir $RANDOMDIR or [] }
		2009	]
1573	}	2010	}
1574		2011
1575	=item cf::map::unique_maps	2012	=item cf::map::unique_maps
1576		2013
1577	Returns an arrayref of paths of all shared maps that have	2014	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2015	instantiated unique items. May block.
1579		2016
1580	=cut	2017	=cut
1581		2018
1582	sub unique_maps() {	2019	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2020	[
1584	or return;	2021	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2022	utf8::decode $_;
1590	next if /\.pst$/;	2023	/\.map$/
1591	next unless /^$PATH_SEP/o;	2024	? normalise $_
1592		2025	: ()
1593	push @paths, $_;	2026	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2027	]
1595
1596	\@paths
1597	}	2028	}
1598		2029
1599	package cf;	2030	package cf;
1600		2031
1601	=back	2032	=back
…		…
1647		2078
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2080
1650	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1652	} else {	2084	} else {
		2085	my $pl = $self->contr;
		2086
		2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2088	my $diag = $pl->{npc_dialog};
		2089	$diag->{pl}->ext_reply (
		2090	$diag->{id},
		2091	msgtype => "reply",
		2092	msg => $diag->{pl}->expand_cfpod ($msg),
		2093	add_topics => []
		2094	);
		2095
		2096	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1655	}	2100	}
1656	}	2101	}
1657		2102
1658	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1659		2104
…		…
1692	=cut	2137	=cut
1693		2138
1694	sub link_map {	2139	sub link_map {
1695	unless ($LINK_MAP) {	2140	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2141	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2142	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2143	$LINK_MAP->load;
1699	}	2144	}
1700		2145
1701	$LINK_MAP	2146	$LINK_MAP
1702	}	2147	}
…		…
1707	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
1708		2153
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2155
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2157	if $self->map && $self->map->{path} ne "{link}";
1713		2158
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2160	}
1716		2161
1717	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1719		2166
1720	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1721		2168
1722	unless ($map) {	2169	unless ($map) {
1723	# restore original map position	2170	# restore original map position
…		…
1741	$map->load;	2188	$map->load;
1742	$map->load_diag;	2189	$map->load_diag;
1743		2190
1744	return unless $self->contr->active;	2191	return unless $self->contr->active;
1745	$self->activate_recursive;	2192	$self->activate_recursive;
		2193
		2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1747	}	2196	}
1748		2197
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($pl) = @_;
1752
1753	# abort map switching before logout
1754	if ($pl->ob->{_link_pos}) {
1755	cf::sync_job {
1756	$pl->ob->leave_link
1757	};
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1782		2199
		2200	Moves the player to the given map-path and coordinates by first freezing
		2201	her, loading and preparing them map, calling the provided $check callback
		2202	that has to return the map if sucecssful, and then unfreezes the player on
		2203	the new (success) or old (failed) map position.
		2204
1783	=cut	2205	=cut
		2206
		2207	our $GOTOGEN;
1784		2208
1785	sub cf::object::player::goto {	2209	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2210	my ($self, $path, $x, $y, $check) = @_;
		2211
		2212	# do generation counting so two concurrent goto's will be executed in-order
		2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2214
1788	$self->enter_link;	2215	$self->enter_link;
1789		2216
1790	(async {	2217	(async {
		2218	my $map = eval {
1791	my $map = cf::map::find $path;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2222	$map = $map->customise_for ($self);
1793		2223	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2224	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2226	}
1798		2227
		2228	$map
		2229	};
		2230
		2231	if ($@) {
		2232	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2233	LOG llevError | logBacktrace, Carp::longmess $@;
		2234	}
		2235
		2236	if ($gen == $self->{_goto_generation}) {
		2237	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1800	})->prio (1);	2240	})->prio (1);
1801	}	2241	}
1802		2242
1803	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1804		2244
…		…
1806		2246
1807	sub parse_random_map_params {	2247	sub parse_random_map_params {
1808	my ($spec) = @_;	2248	my ($spec) = @_;
1809		2249
1810	my $rmp = { # defaults	2250	my $rmp = { # defaults
1811	xsize => 10,	2251	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2252	ysize => (cf::rndm 15, 40),
		2253	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2254	#layout => string,
1813	};	2255	};
1814		2256
1815	for (split /\n/, $spec) {	2257	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2258	my ($k, $v) = split /\s+/, $_, 2;
1817		2259
…		…
1821	$rmp	2263	$rmp
1822	}	2264	}
1823		2265
1824	sub prepare_random_map {	2266	sub prepare_random_map {
1825	my ($exit) = @_;	2267	my ($exit) = @_;
		2268
		2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2270
1827	# all this does is basically replace the /! path by	2271	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2272	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2273	# that depends on the exit object
1830		2274
1831	my $rmp = parse_random_map_params $exit->msg;	2275	my $rmp = parse_random_map_params $exit->msg;
1832		2276
1833	if ($exit->map) {	2277	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2278	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2279	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2280	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2281	$rmp->{origin_y} = $exit->y;
1838	}	2282	}
1839		2283
1840	$rmp->{random_seed} ||= $exit->random_seed;	2284	$rmp->{random_seed} ||= $exit->random_seed;
1841		2285
1842	my $data = cf::to_json $rmp;	2286	my $data = cf::to_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2287	my $md5 = Digest::MD5::md5_hex $data;
		2288	my $meta = "$RANDOMDIR/$md5.meta";
1844		2289
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2291	aio_write $fh, 0, (length $data), $data, 0;
		2292	undef $fh;
		2293	aio_rename "$meta~", $meta;
1847		2294
1848	$exit->slaying ("?random/$md5");	2295	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2296	$exit->msg (undef);
1850	}	2297	}
1851	}	2298	}
1852		2299
1853	sub cf::object::player::enter_exit {	2300	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2301	my ($self, $exit) = @_;
1855		2302
1856	return unless $self->type == cf::PLAYER;	2303	return unless $self->type == cf::PLAYER;
		2304
		2305	if ($exit->slaying eq "/!") {
		2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2307	# the problem is that $exit might not survive long enough
		2308	# so it needs to be done right now, right here
		2309	cf::sync_job { prepare_random_map $exit };
		2310	}
		2311
		2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2313	my $hp = $exit->stats->hp;
		2314	my $sp = $exit->stats->sp;
1857		2315
1858	$self->enter_link;	2316	$self->enter_link;
1859		2317
1860	(async {	2318	(async {
1861	$self->deactivate_recursive; # just to be sure	2319	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2320	unless (eval {
1863	prepare_random_map $exit	2321	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2322
1869	1;	2323	1;
1870	}) {	2324	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2325	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2326	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2327	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2328	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2329
1876	warn "ERROR in enter_exit: $@";	2330	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2331	$self->leave_link;
1878	}	2332	}
1879	})->prio (1);	2333	})->prio (1);
…		…
1892		2346
1893	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
1895		2349
1896	utf8::encode $text;	2350	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2352	}
1899		2353
		2354	=item $client->send_msg ($color, $type, $msg, [extra...])
		2355
		2356	Send a drawinfo or msg packet to the client, formatting the msg for the
		2357	client if neccessary. C<$type> should be a string identifying the type of
		2358	the message, with C<log> being the default. If C<$color> is negative, suppress
		2359	the message unless the client supports the msg packet.
		2360
		2361	=cut
		2362
		2363	sub cf::client::send_msg {
		2364	my ($self, $color, $type, $msg, @extra) = @_;
		2365
		2366	$msg = $self->pl->expand_cfpod ($msg);
		2367
		2368	if ($self->can_msg) {
		2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2370	} else {
		2371	# replace some tags by gcfclient-compatible ones
		2372	for ($msg) {
		2373	1 while
		2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${1}[\/color]/;
		2379	}
		2380
		2381	if ($color >= 0) {
		2382	if (0 && $msg =~ /\[/) {
		2383	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2384	} else {
		2385	s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2386	$self->send_packet ("drawinfo $color $msg")
		2387	}
		2388	}
		2389	}
		2390	}
		2391
		2392	=item $client->ext_event ($type, %msg)
		2393
		2394	Sends an exti event to the client.
		2395
		2396	=cut
		2397
		2398	sub cf::client::ext_event($$%) {
		2399	my ($self, $type, %msg) = @_;
		2400
		2401	$msg{msgtype} = "event_$type";
		2402	$self->send_packet ("ext " . cf::to_json \%msg);
		2403	}
1900		2404
1901	=item $success = $client->query ($flags, "text", \&cb)	2405	=item $success = $client->query ($flags, "text", \&cb)
1902		2406
1903	Queues a query to the client, calling the given callback with	2407	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2408	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1933	# get handled first	2437	# get handled first
1934	my $queue = delete $ns->{query_queue}	2438	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2439	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2440
1937	(shift @$queue)->[1]->($msg);	2441	(shift @$queue)->[1]->($msg);
		2442	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2443
1939	push @{ $ns->{query_queue} }, @$queue;	2444	push @{ $ns->{query_queue} }, @$queue;
1940		2445
1941	if (@{ $ns->{query_queue} } == @$queue) {	2446	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2447	if (@$queue) {
…		…
2000		2505
2001	# here we export the classes and methods available to script code	2506	# here we export the classes and methods available to script code
2002		2507
2003	=pod	2508	=pod
2004		2509
2005	The following fucntions and emthods are available within a safe environment:	2510	The following functions and methods are available within a safe environment:
2006		2511
2007	cf::object contr pay_amount pay_player map	2512	cf::object contr pay_amount pay_player map
2008	cf::object::player player	2513	cf::object::player player
2009	cf::player peaceful	2514	cf::player peaceful
2010	cf::map trigger	2515	cf::map trigger
…		…
2091	=back	2596	=back
2092		2597
2093	=cut	2598	=cut
2094		2599
2095	#############################################################################	2600	#############################################################################
		2601	# the server's init and main functions
2096		2602
2097	=head2 EXTENSION DATABASE SUPPORT	2603	sub load_facedata($) {
		2604	my ($path) = @_;
2098		2605
2099	Crossfire maintains a very simple database for extension use. It can	2606	warn "loading facedata from $path\n";
2100	currently store anything that can be serialised using Storable, which
2101	excludes objects.
2102		2607
2103	The parameter C<$family> should best start with the name of the extension	2608	my $facedata;
2104	using it, it should be unique.	2609	0 < aio_load $path, $facedata
		2610	or die "$path: $!";
2105		2611
2106	=over 4	2612	$facedata = Coro::Storable::thaw $facedata;
2107		2613
2108	=item $hashref = cf::db_get $family	2614	$facedata->{version} == 2
		2615	or cf::cleanup "$path: version mismatch, cannot proceed.";
2109		2616
2110	Return a hashref for use by the extension C<$family>, which can be
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113
2114	=item $value = cf::db_get $family => $key
2115
2116	Returns a single value from the database
2117
2118	=item cf::db_put $family => $hashref
2119
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}	2617	{
		2618	my $faces = $facedata->{faceinfo};
2146		2619
2147	my $pid;	2620	while (my ($face, $info) = each %$faces) {
2148		2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2149	sub db_save() {	2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2150	waitpid $pid, 0 if $pid;	2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2151	if (0 == ($pid = fork)) {	2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2152	$DB->{_meta}{version} = 1;	2625	Coro::cede;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});
2169
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}
2174
2175	sub db_get($;$) {
2176	@_ >= 2
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180
2181	sub db_put($$;$) {
2182	if (@_ >= 3) {
2183	$DB->{$_[0]}{$_[1]} = $_[2];
2184	} else {
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189
2190	cf::global->attach (
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	2626	}
2195	);
2196	}
2197		2627
2198	#############################################################################	2628	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	2629	next unless $info->{smooth};
		2630	my $idx = cf::face::find $face
		2631	or next;
		2632	if (my $smooth = cf::face::find $info->{smooth}) {
		2633	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2634	} else {
		2635	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2636	}
		2637	Coro::cede;
		2638	}
		2639	}
		2640
		2641	{
		2642	my $anims = $facedata->{animinfo};
		2643
		2644	while (my ($anim, $info) = each %$anims) {
		2645	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2646	Coro::cede;
		2647	}
		2648
		2649	cf::anim::invalidate_all; # d'oh
		2650	}
		2651
		2652	1
		2653	}
		2654
		2655	sub reload_regions {
		2656	load_resource_file "$MAPDIR/regions"
		2657	or die "unable to load regions file\n";
		2658	}
		2659
		2660	sub reload_facedata {
		2661	load_facedata "$DATADIR/facedata"
		2662	or die "unable to load facedata\n";
		2663	}
		2664
		2665	sub reload_archetypes {
		2666	load_resource_file "$DATADIR/archetypes"
		2667	or die "unable to load archetypes\n";
		2668	}
		2669
		2670	sub reload_treasures {
		2671	load_resource_file "$DATADIR/treasures"
		2672	or die "unable to load treasurelists\n";
		2673	}
		2674
		2675	sub reload_resources {
		2676	warn "reloading resource files...\n";
		2677
		2678	reload_regions;
		2679	reload_facedata;
		2680	#reload_archetypes;#d#
		2681	reload_archetypes;
		2682	reload_treasures;
		2683
		2684	warn "finished reloading resource files\n";
		2685	}
		2686
		2687	sub init {
		2688	reload_resources;
		2689	}
2200		2690
2201	sub cfg_load {	2691	sub cfg_load {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	2692	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	2693	or return;
2204		2694
2205	local $/;	2695	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	2696	*CFG = YAML::Syck::Load <$fh>;
2207		2697
…		…
2221		2711
2222	sub main {	2712	sub main {
2223	# we must not ever block the main coroutine	2713	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	2714	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2715	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2716	(async {
2226	async { Event::one_event };	2717	Event::one_event;
		2718	})->prio (Coro::PRIO_MAX);
2227	};	2719	};
2228		2720
2229	cfg_load;	2721	cfg_load;
2230	db_load;	2722	db_init;
2231	load_extensions;	2723	load_extensions;
		2724
		2725	$TICK_WATCHER->start;
2232	Event::loop;	2726	Event::loop;
2233	}	2727	}
2234		2728
2235	#############################################################################	2729	#############################################################################
2236	# initialisation and cleanup	2730	# initialisation and cleanup
2237		2731
2238	# install some emergency cleanup handlers	2732	# install some emergency cleanup handlers
2239	BEGIN {	2733	BEGIN {
2240	for my $signal (qw(INT HUP TERM)) {	2734	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	2735	Event->signal (
		2736	reentrant => 0,
2242	data => WF_AUTOCANCEL,	2737	data => WF_AUTOCANCEL,
2243	signal => $signal,	2738	signal => $signal,
		2739	prio => 0,
2244	cb => sub {	2740	cb => sub {
2245	cf::cleanup "SIG$signal";	2741	cf::cleanup "SIG$signal";
2246	},	2742	},
2247	);	2743	);
2248	}	2744	}
2249	}	2745	}
2250		2746
		2747	sub write_runtime {
		2748	my $runtime = "$LOCALDIR/runtime";
		2749
		2750	# first touch the runtime file to show we are still running:
		2751	# the fsync below can take a very very long time.
		2752
		2753	IO::AIO::aio_utime $runtime, undef, undef;
		2754
		2755	my $guard = cf::lock_acquire "write_runtime";
		2756
		2757	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2758	or return;
		2759
		2760	my $value = $cf::RUNTIME + 90 + 10;
		2761	# 10 is the runtime save interval, for a monotonic clock
		2762	# 60 allows for the watchdog to kill the server.
		2763
		2764	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2765	and return;
		2766
		2767	# always fsync - this file is important
		2768	aio_fsync $fh
		2769	and return;
		2770
		2771	# touch it again to show we are up-to-date
		2772	aio_utime $fh, undef, undef;
		2773
		2774	close $fh
		2775	or return;
		2776
		2777	aio_rename "$runtime~", $runtime
		2778	and return;
		2779
		2780	warn "runtime file written.\n";
		2781
		2782	1
		2783	}
		2784
2251	sub emergency_save() {	2785	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	2786	my $freeze_guard = cf::freeze_mainloop;
2253		2787
2254	warn "enter emergency perl save\n";	2788	warn "enter emergency perl save\n";
2255		2789
2256	cf::sync_job {	2790	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	2791	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	2792	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	2793	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	2794	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	2795	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	2796	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	2797	$pl->valid or next;
2264	$pl->save;	2798	$pl->save;
…		…
2270	my $map = $cf::MAP{$path} or next;	2804	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	2805	$map->valid or next;
2272	$map->save;	2806	$map->save;
2273	}	2807	}
2274	warn "end emergency map save\n";	2808	warn "end emergency map save\n";
		2809
		2810	warn "begin emergency database checkpoint\n";
		2811	BDB::db_env_txn_checkpoint $DB_ENV;
		2812	warn "end emergency database checkpoint\n";
2275	};	2813	};
2276		2814
2277	warn "leave emergency perl save\n";	2815	warn "leave emergency perl save\n";
2278	}	2816	}
2279		2817
		2818	sub post_cleanup {
		2819	my ($make_core) = @_;
		2820
		2821	warn Carp::longmess "post_cleanup backtrace"
		2822	if $make_core;
		2823	}
		2824
2280	sub reload() {	2825	sub do_reload_perl() {
2281	# can/must only be called in main	2826	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	2827	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	2828	warn "can only reload from main coroutine";
2284	return;	2829	return;
2285	}	2830	}
2286		2831
2287	warn "reloading...";	2832	warn "reloading...";
2288		2833
2289	warn "freezing server";	2834	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	2835
		2836	cf::sync_job {
		2837	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	2838	cf::emergency_save;
		2839	cf::write_runtime; # external watchdog should not bark
2292		2840
2293	warn "sync database to disk";	2841	warn "syncing database to disk";
2294	cf::db_sync;	2842	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		2843
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	2844	# if anything goes wrong in here, we should simply crash as we already saved
2299		2845
2300	warn "cancel all watchers";	2846	warn "cancelling all WF_AUTOCANCEL watchers";
2301	for (Event::all_watchers) {	2847	for (Event::all_watchers) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2303	}	2849	}
2304		2850
		2851	warn "flushing outstanding aio requests";
		2852	for (;;) {
		2853	BDB::flush;
		2854	IO::AIO::flush;
		2855	Coro::cede;
		2856	last unless IO::AIO::nreqs || BDB::nreqs;
		2857	warn "iterate...";
		2858	}
		2859
		2860	++$RELOAD;
		2861
2305	warn "cancel all extension coros";	2862	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	2863	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	2864	%EXT_CORO = ();
2308		2865
2309	warn "remove commands";	2866	warn "removing commands";
2310	%COMMAND = ();	2867	%COMMAND = ();
2311		2868
2312	warn "remove ext commands";	2869	warn "removing ext commands";
2313	%EXTCMD = ();	2870	%EXTCMD = ();
2314		2871
2315	warn "unload/nuke all extensions";	2872	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	2873	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	2874	warn "... unloading $pkg";
2318		2875
2319	if (my $cb = $pkg->can ("unload")) {	2876	if (my $cb = $pkg->can ("unload")) {
2320	eval {	2877	eval {
…		…
2325		2882
2326	warn "... nuking $pkg";	2883	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	2884	Symbol::delete_package $pkg;
2328	}	2885	}
2329		2886
2330	warn "unload all perl modules loaded from $LIBDIR";	2887	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	2888	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		2890
2334	warn "removing <$k>";	2891	warn "... unloading $k";
2335	delete $INC{$k};	2892	delete $INC{$k};
2336		2893
2337	$k =~ s/\.pm$//;	2894	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	2895	$k =~ s/\//::/g;
2339		2896
…		…
2342	}	2899	}
2343		2900
2344	Symbol::delete_package $k;	2901	Symbol::delete_package $k;
2345	}	2902	}
2346		2903
2347	warn "get rid of safe::, as good as possible";	2904	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	2905	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		2907
2351	warn "unload cf.pm \"a bit\"";	2908	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	2909	delete $INC{"cf.pm"};
		2910	delete $INC{"cf/pod.pm"};
2353		2911
2354	# don't, removes xs symbols, too,	2912	# don't, removes xs symbols, too,
2355	# and global variables created in xs	2913	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	2914	#Symbol::delete_package __PACKAGE__;
2357		2915
		2916	warn "unload completed, starting to reload now";
		2917
2358	warn "reloading cf.pm";	2918	warn "reloading cf.pm";
2359	require cf;	2919	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		2921
2362	warn "load config and database again";	2922	warn "loading config and database again";
2363	cf::cfg_load;	2923	cf::cfg_load;
2364	cf::db_load;
2365		2924
2366	warn "load extensions";	2925	warn "loading extensions";
2367	cf::load_extensions;	2926	cf::load_extensions;
2368		2927
2369	warn "reattach attachments to objects/players";	2928	warn "reattaching attachments to objects/players";
2370	_global_reattach;	2929	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	2930	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	2931	reattach $_ for values %MAP;
2373	};	2932	warn "reattaching attachments to players";
		2933	reattach $_ for values %PLAYER;
2374		2934
2375	if ($@) {	2935	warn "leaving sync_job";
		2936
		2937	1
		2938	} or do {
2376	warn $@;	2939	warn $@;
2377	warn "error while reloading, exiting.";	2940	warn "error while reloading, exiting.";
2378	exit 1;	2941	exit 1;
2379	}	2942	};
2380		2943
2381	warn "reloaded";	2944	warn "reloaded";
2382	};	2945	};
2383		2946
		2947	our $RELOAD_WATCHER; # used only during reload
		2948
		2949	sub reload_perl() {
		2950	# doing reload synchronously and two reloads happen back-to-back,
		2951	# coro crashes during coro_state_free->destroy here.
		2952
		2953	$RELOAD_WATCHER ||= Event->timer (
		2954	reentrant => 0,
		2955	after => 0,
		2956	data => WF_AUTOCANCEL,
		2957	cb => sub {
		2958	do_reload_perl;
		2959	undef $RELOAD_WATCHER;
		2960	},
		2961	);
		2962	}
		2963
2384	register_command "reload" => sub {	2964	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	2965	my ($who, $arg) = @_;
2386		2966
2387	if ($who->flag (FLAG_WIZ)) {	2967	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	2968	$who->message ("reloading server.");
		2969	async { reload_perl };
2391	}	2970	}
2392	};	2971	};
2393		2972
2394	unshift @INC, $LIBDIR;	2973	unshift @INC, $LIBDIR;
2395		2974
		2975	my $bug_warning = 0;
		2976
		2977	our @WAIT_FOR_TICK;
		2978	our @WAIT_FOR_TICK_BEGIN;
		2979
		2980	sub wait_for_tick {
		2981	return unless $TICK_WATCHER->is_active;
		2982	return if $Coro::current == $Coro::main;
		2983
		2984	my $signal = new Coro::Signal;
		2985	push @WAIT_FOR_TICK, $signal;
		2986	$signal->wait;
		2987	}
		2988
		2989	sub wait_for_tick_begin {
		2990	return unless $TICK_WATCHER->is_active;
		2991	return if $Coro::current == $Coro::main;
		2992
		2993	my $signal = new Coro::Signal;
		2994	push @WAIT_FOR_TICK_BEGIN, $signal;
		2995	$signal->wait;
		2996	}
		2997
		2998	my $min = 1e6;#d#
		2999	my $avg = 10;
2396	$TICK_WATCHER = Event->timer (	3000	$TICK_WATCHER = Event->timer (
2397	reentrant => 0,	3001	reentrant => 0,
		3002	parked => 1,
2398	prio => 0,	3003	prio => 0,
2399	at => $NEXT_TICK || $TICK,	3004	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,	3005	data => WF_AUTOCANCEL,
2401	cb => sub {	3006	cb => sub {
		3007	if ($Coro::current != $Coro::main) {
		3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3009	unless ++$bug_warning > 10;
		3010	return;
		3011	}
		3012
2402	$NOW = Event::time;	3013	$NOW = $tick_start = Event::time;
2403		3014
2404	cf::server_tick; # one server iteration	3015	cf::server_tick; # one server iteration
		3016
		3017	0 && sync_job {#d#
		3018	for(1..10) {
		3019	my $t = Event::time;
		3020	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3021	or die;
		3022
		3023	$map->width (50);
		3024	$map->height (50);
		3025	$map->alloc;
		3026	$map->_load_objects ("/tmp/x.map", 1);
		3027	my $t = Event::time - $t;
		3028
		3029	#next unless $t < 0.0013;#d#
		3030	if ($t < $min) {
		3031	$min = $t;
		3032	}
		3033	$avg = $avg * 0.99 + $t * 0.01;
		3034	}
		3035	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3036	exit 0;
		3037	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3038	};
		3039
2405	$RUNTIME += $TICK;	3040	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3041	$NEXT_TICK += $TICK;
2407		3042
2408	$WAIT_FOR_TICK->broadcast;	3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3045	Coro::async_pool {
		3046	write_runtime
		3047	or warn "ERROR: unable to write runtime file: $!";
		3048	};
		3049	}
		3050
		3051	# my $AFTER = Event::time;
		3052	# warn $AFTER - $NOW;#d#
		3053
		3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3055	$sig->send;
		3056	}
		3057	while (my $sig = shift @WAIT_FOR_TICK) {
		3058	$sig->send;
		3059	}
		3060
		3061	$NOW = Event::time;
2410		3062
2411	# if we are delayed by four ticks or more, skip them all	3063	# if we are delayed by four ticks or more, skip them all
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2413		3065
2414	$TICK_WATCHER->at ($NEXT_TICK);	3066	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;	3067	$TICK_WATCHER->start;
		3068
		3069	$LOAD = ($NOW - $tick_start) / $TICK;
		3070	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3071
		3072	_post_tick;
		3073
		3074
2416	},	3075	},
2417	);	3076	);
2418		3077
		3078	{
2419	IO::AIO::max_poll_time $TICK * 0.2;	3079	BDB::max_poll_time $TICK * 0.1;
2420		3080	$BDB_POLL_WATCHER = Event->io (
2421	Event->io (	3081	reentrant => 0,
2422	fd => IO::AIO::poll_fileno,	3082	fd => BDB::poll_fileno,
2423	poll => 'r',	3083	poll => 'r',
2424	prio => 5,	3084	prio => 0,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,	3085	data => WF_AUTOCANCEL,
2431	after => 0,	3086	cb => \&BDB::poll_cb,
2432	interval => 10,	3087	);
2433	cb => sub {	3088	BDB::min_parallel 8;
2434	(Coro::unblock_sub {	3089
2435	write_runtime	3090	BDB::set_sync_prepare {
2436	or warn "ERROR: unable to write runtime file: $!";	3091	my $status;
		3092	my $current = $Coro::current;
		3093	(
		3094	sub {
		3095	$status = $!;
		3096	$current->ready; undef $current;
		3097	},
		3098	sub {
		3099	Coro::schedule while defined $current;
		3100	$! = $status;
		3101	},
		3102	)
		3103	};
		3104
		3105	unless ($DB_ENV) {
		3106	$DB_ENV = BDB::db_env_create;
		3107
		3108	cf::sync_job {
		3109	eval {
		3110	BDB::db_env_open
		3111	$DB_ENV,
		3112	$BDBDIR,
		3113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3115	0666;
		3116
		3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3118
		3119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3120	$DB_ENV->set_lk_detect;
		3121	};
		3122
		3123	cf::cleanup "db_env_open(db): $@" if $@;
2437	})->();	3124	};
2438	},	3125	}
2439	);	3126	}
		3127
		3128	{
		3129	IO::AIO::min_parallel 8;
		3130
		3131	undef $Coro::AIO::WATCHER;
		3132	IO::AIO::max_poll_time $TICK * 0.1;
		3133	$AIO_POLL_WATCHER = Event->io (
		3134	reentrant => 0,
		3135	data => WF_AUTOCANCEL,
		3136	fd => IO::AIO::poll_fileno,
		3137	poll => 'r',
		3138	prio => 6,
		3139	cb => \&IO::AIO::poll_cb,
		3140	);
		3141	}
		3142
		3143	my $_log_backtrace;
		3144
		3145	sub _log_backtrace {
		3146	my ($msg, @addr) = @_;
		3147
		3148	$msg =~ s/\n//;
		3149
		3150	# limit the # of concurrent backtraces
		3151	if ($_log_backtrace < 2) {
		3152	++$_log_backtrace;
		3153	async {
		3154	my @bt = fork_call {
		3155	@addr = map { sprintf "%x", $_ } @addr;
		3156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3158	or die "addr2line: $!";
		3159
		3160	my @funcs;
		3161	my @res = <$fh>;
		3162	chomp for @res;
		3163	while (@res) {
		3164	my ($func, $line) = splice @res, 0, 2, ();
		3165	push @funcs, "[$func] $line";
		3166	}
		3167
		3168	@funcs
		3169	};
		3170
		3171	LOG llevInfo, "[ABT] $msg\n";
		3172	LOG llevInfo, "[ABT] $_\n" for @bt;
		3173	--$_log_backtrace;
		3174	};
		3175	} else {
		3176	LOG llevInfo, "[ABT] $msg\n";
		3177	LOG llevInfo, "[ABT] [suppressed]\n";
		3178	}
		3179	}
		3180
		3181	# load additional modules
		3182	use cf::pod;
2440		3183
2441	END { cf::emergency_save }	3184	END { cf::emergency_save }
2442		3185
2443	1	3186	1
2444		3187

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