ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.203 by root, Thu Feb 1 19:40:42 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 3.5 ();	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;
49	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	76	our $NEXT_TICK;
52	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;
53		82
54	our %CFG;	83	our %CFG;
55		84
56	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	86	our $RUNTIME;
58		87
59	our %PLAYER; # all users	88	our %PLAYER; # all users
60	our %MAP; # all maps	89	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		91
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		98
70	binmode STDOUT;	99	binmode STDOUT;
71	binmode STDERR;	100	binmode STDERR;
72		101
73	# read virtual server time, if available	102	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
78	}	107	}
79		108
80	mkdir cf::localdir;	109	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		111
86	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
87		113
88	sub cf::map::normalise;	114	sub cf::map::normalise;
89		115
…		…
100	=item $cf::RUNTIME	126	=item $cf::RUNTIME
101		127
102	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
103	every server tick.	129	every server tick.
104		130
105	=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
106		134
107	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		139
110	=item $cf::NOW	140	=item $cf::NOW
111		141
112	The time of the last (current) server tick.	142	The time of the last (current) server tick.
113		143
114	=item $cf::TICK	144	=item $cf::TICK
115		145
116	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.
117		157
118	=item %cf::CFG	158	=item %cf::CFG
119		159
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	161	from wherever your confdir points to.
122		162
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		164
125	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
126	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
127	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.
128	window of cpu time available, or simply to synchronise to the server tick.
129		168
130	=back	169	=back
131		170
132	=cut	171	=cut
133		172
134	BEGIN {	173	BEGIN {
135	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	175	my $msg = join "", @_;
137	utf8::encode $msg;
138		176
139	$msg .= "\n"	177	$msg .= "\n"
140	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
141		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
142	LOG llevError, $msg;	183	LOG llevError, $msg;
143	};	184	};
144	}	185	}
145		186
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		194
153	# 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
154	# within the Safe compartment.	196	# within the Safe compartment.
155	for my $pkg (qw(	197	for my $pkg (qw(
156	cf::global cf::attachable	198	cf::global cf::attachable
…		…
164	}	206	}
165		207
166	$Event::DIED = sub {	208	$Event::DIED = sub {
167	warn "error in event callback: @_";	209	warn "error in event callback: @_";
168	};	210	};
		211
		212	#############################################################################
169		213
170	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
171		215
172	=over 4	216	=over 4
173		217
…		…
192	$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;
193	$d	237	$d
194	} || "[unable to dump $_[0]: '$@']";	238	} || "[unable to dump $_[0]: '$@']";
195	}	239	}
196		240
197	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
198		242
199	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
200		244
201	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
202		246
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
211		248
212	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
213
214	=cut
215
216	sub to_json($) {
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
218	JSON::Syck::Dump $_[0]
219	}
220		250
221	=item cf::lock_wait $string	251	=item cf::lock_wait $string
222		252
223	Wait until the given lock is available. See cf::lock_acquire.	253	Wait until the given lock is available. See cf::lock_acquire.
224		254
…		…
230	returned.	260	returned.
231		261
232	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
233	uses map_find and cf::map::load uses map_load).	263	uses map_find and cf::map::load uses map_load).
234		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
		268
235	=cut	269	=cut
236		270
237	our %LOCK;	271	our %LOCK;
238		272
239	sub lock_wait($) {	273	sub lock_wait($) {
…		…
258	# wake up all waiters, to be on the safe side	292	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	293	$_->ready for @{ delete $LOCK{$key} };
260	}	294	}
261	}	295	}
262		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
		301	}
		302
263	sub freeze_mainloop {	303	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	304	return unless $TICK_WATCHER->is_active;
265		305
266	my $guard = Coro::guard {	306	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	307	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	308	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	309	$TICK_WATCHER->stop;
272	$guard	310	$guard
273	}	311	}
274		312
275	=item cf::async { BLOCK }	313	=item cf::async { BLOCK }
…		…
282		320
283	BEGIN { *async = \&Coro::async_pool }	321	BEGIN { *async = \&Coro::async_pool }
284		322
285	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
286		324
287	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
290		329
291	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
294	fast or be very important.	333	fast or be very important.
…		…
297		336
298	sub sync_job(&) {	337	sub sync_job(&) {
299	my ($job) = @_;	338	my ($job) = @_;
300		339
301	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
302	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
304		345
305	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	347	# (but this is cancel-safe)
…		…
317		358
318	while ($busy) {	359	while ($busy) {
319	Coro::cede or Event::one_event;	360	Coro::cede or Event::one_event;
320	}	361	}
321		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
322	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
323	} else {	371	} else {
324	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
325		373
326	$job->()	374	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
346		394
347	$coro	395	$coro
348	}	396	}
349		397
350	sub write_runtime {	398	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		399
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	400	Executes the given code block with the given arguments in a seperate
354	or return;	401	process, returning the results. Everything must be serialisable with
		402	Coro::Storable. May, of course, block. Note that the executed sub may
		403	never block itself or use any form of Event handling.
355		404
356	my $value = $cf::RUNTIME + 90 + 10;	405	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		406
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	407	sub fork_call(&@) {
361	and return;	408	my ($cb, @args) = @_;
362		409
363	aio_fsync $fh	410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
364	and return;	411	# or die "socketpair: $!";
		412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
365		414
		415	if (my $pid = fork) {
366	close $fh	416	close $fh2;
367	or return;
368		417
369	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
370	and return;	419	$res = Coro::Storable::thaw $res;
371		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
372	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		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 });
373	}	567	}
374		568
375	=back	569	=back
376		570
377	=cut	571	=cut
…		…
384	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")
385	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
386		580
387	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>
388	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
389	crossfire+).	583	Crossfire TRT).
390		584
391	=over 4	585	=over 4
392		586
393	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
394		588
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
558		752
559	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		757
564	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	759	my $pkg = shift @arg;
566		760
567	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
597	}	791	}
598		792
599	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
600	} else {	794	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	796	}
603		797
604	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
605	}	799	}
606		800
…		…
608	if (ref $_[0]) {	802	if (ref $_[0]) {
609	_object_attach @_;	803	_object_attach @_;
610	} else {	804	} else {
611	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
612	}	806	}
		807	_recalc_want;
613	};	808	};
614		809
615	# all those should be optimised	810	# all those should be optimised
616	sub cf::attachable::detach {	811	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
621	reattach ($obj);	816	reattach ($obj);
622	} else {	817	} else {
623	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
624	}	819	}
		820	_recalc_want;
625	};	821	};
626		822
627	sub cf::attachable::attached {	823	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
629		825
…		…
752	$filename, length $$rdata, scalar @$objs;	948	$filename, length $$rdata, scalar @$objs;
753		949
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	951	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	953	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	954	close $fh;
759		955
760	if (@$objs) {	956	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	959	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	960	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	962	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	963	aio_rename "$filename.pst~", "$filename.pst";
768	}	964	}
769	} else {	965	} else {
770	aio_unlink "$filename.pst";	966	aio_unlink "$filename.pst";
…		…
776	}	972	}
777	} else {	973	} else {
778	aio_unlink $filename;	974	aio_unlink $filename;
779	aio_unlink "$filename.pst";	975	aio_unlink "$filename.pst";
780	}	976	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	977	}
788	}	978	}
789		979
790	sub object_freezer_as_string {	980	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	981	my ($rdata, $objs) = @_;
…		…
797		987
798	sub object_thawer_load {	988	sub object_thawer_load {
799	my ($filename) = @_;	989	my ($filename) = @_;
800		990
801	my ($data, $av);	991	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		992
806	(aio_load $filename, $data) >= 0	993	(aio_load $filename, $data) >= 0
807	or return;	994	or return;
808		995
809	unless (aio_stat "$filename.pst") {	996	unless (aio_stat "$filename.pst") {
…		…
811	or return;	998	or return;
812	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
813	}	1000	}
814		1001
815	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
817	return ($data, $av);	1004	return ($data, $av);
818	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
819		1012
820	#############################################################################	1013	#############################################################################
821	# command handling &c	1014	# command handling &c
822		1015
823	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1030	}
838		1031
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1033
841	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.
842		1035
843	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
844	called.	1037	called.
845		1038
846	=cut	1039	=cut
…		…
881		1074
882	cf::override;	1075	cf::override;
883	},	1076	},
884	);	1077	);
885		1078
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
921	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1084	next unless -r $path;
923	eval {	1085
924	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;
925	1	1143	}
926	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
927	}	1149	};
928	}	1150	}
929		1151
930	#############################################################################	1152	#############################################################################
931		1153
		1154	=back
		1155
932	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
933		1157
934	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
935		1159
936	=cut	1160	=cut
…		…
948	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
949		1173
950	=cut	1174	=cut
951		1175
952	sub playerdir($) {	1176	sub playerdir($) {
953	cf::localdir	1177	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1179	}
959		1180
960	sub path($) {	1181	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1183
963	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
964	}	1185	}
965		1186
966	sub find_active($) {	1187	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1202	my $login = $_[0];
982		1203
983	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
984		1205
985	$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
986	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
987	or return;	1215	or return;
988	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
989	}	1217	}
990	}	1218	}
…		…
1027		1255
1028	=cut	1256	=cut
1029		1257
1030	sub quit_character {	1258	sub quit_character {
1031	my ($pl) = @_;	1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
1032		1262
1033	$pl->{deny_save} = 1;	1263	$pl->{deny_save} = 1;
1034	$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
1035		1265
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1271	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1272	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1273	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1274	delete $cf::PLAYER{$pl->ob->name};
1045	$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
1046	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;
1047	}	1297	}
1048		1298
1049	=item cf::player::list_logins	1299	=item cf::player::list_logins
1050		1300
1051	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
1052	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1053		1303
1054	=cut	1304	=cut
1055		1305
1056	sub list_logins {	1306	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1308	or return [];
1059		1309
1060	my @logins;	1310	my @logins;
1061		1311
1062	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
…		…
1097	}	1347	}
1098		1348
1099	\@paths	1349	\@paths
1100	}	1350	}
1101		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
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1385	=item $player->ext_reply ($msgid, %msg)
1103		1386
1104	Sends an ext reply to the player.	1387	Sends an ext reply to the player.
1105		1388
1106	=cut	1389	=cut
1107		1390
1108	sub ext_reply($$$%) {	1391	sub ext_reply($$%) {
1109	my ($self, $id, %msg) = @_;	1392	my ($self, $id, %msg) = @_;
1110		1393
1111	$msg{msgid} = $id;	1394	$msg{msgid} = $id;
1112		1395
1113	$self->send ("ext " . cf::to_json \%msg);	1396	$self->send ("ext " . cf::to_json \%msg);
1114	}	1397	}
1115		1398
1116	package cf;	1399	=item $player->ext_event ($type, %msg)
		1400
		1401	Sends an ext event to the client.
		1402
		1403	=cut
		1404
		1405	sub ext_event($$%) {
		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	$match
		1438	}
1117		1439
1118	=back	1440	=back
1119
1120		1441
1121	=head3 cf::map	1442	=head3 cf::map
1122		1443
1123	=over 4	1444	=over 4
1124		1445
…		…
1179	my ($self, $merge) = @_;	1500	my ($self, $merge) = @_;
1180		1501
1181	# we have to keep some variables in memory intact	1502	# we have to keep some variables in memory intact
1182	local $self->{path};	1503	local $self->{path};
1183	local $self->{load_path};	1504	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1505
1187	$self->SUPER::thawer_merge ($merge);	1506	$self->SUPER::thawer_merge ($merge);
1188	}	1507	}
1189		1508
1190	sub normalise {	1509	sub normalise {
…		…
1262		1581
1263	# the original (read-only) location	1582	# the original (read-only) location
1264	sub load_path {	1583	sub load_path {
1265	my ($self) = @_;	1584	my ($self) = @_;
1266		1585
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1586	"$MAPDIR/$self->{path}.map"
1268	}	1587	}
1269		1588
1270	# the temporary/swap location	1589	# the temporary/swap location
1271	sub save_path {	1590	sub save_path {
1272	my ($self) = @_;	1591	my ($self) = @_;
1273		1592
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1594	"$TMPDIR/$path.map"
1276	}	1595	}
1277		1596
1278	# the unique path, undef == no special unique path	1597	# the unique path, undef == no special unique path
1279	sub uniq_path {	1598	sub uniq_path {
1280	my ($self) = @_;	1599	my ($self) = @_;
1281		1600
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1602	"$UNIQUEDIR/$path"
1284	}	1603	}
1285		1604
1286	# and all this just because we cannot iterate over	1605	# and all this just because we cannot iterate over
1287	# all maps in C++...	1606	# all maps in C++...
1288	sub change_all_map_light {	1607	sub change_all_map_light {
…		…
1290		1609
1291	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1611	for grep $_->outdoor, values %cf::MAP;
1293	}	1612	}
1294		1613
		1614	sub decay_objects {
		1615	my ($self) = @_;
		1616
		1617	return if $self->{deny_reset};
		1618
		1619	$self->do_decay_objects;
		1620	}
		1621
1295	sub unlink_save {	1622	sub unlink_save {
1296	my ($self) = @_;	1623	my ($self) = @_;
1297		1624
1298	utf8::encode (my $save = $self->save_path);	1625	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1626	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1627	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1628	}
1307		1629
1308	sub load_header_from($) {	1630	sub load_header_from($) {
1309	my ($self, $path) = @_;	1631	my ($self, $path) = @_;
1310		1632
…		…
1360	$self->load_header_orig	1682	$self->load_header_orig
1361	or return;	1683	or return;
1362	$self->prepare_orig;	1684	$self->prepare_orig;
1363	}	1685	}
1364		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;
		1692
1365	1	1693	1
1366	}	1694	}
1367		1695
1368	sub find;	1696	sub find;
1369	sub find {	1697	sub find {
…		…
1381	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1382		1710
1383	$map->load_header	1711	$map->load_header
1384	or return;	1712	or return;
1385		1713
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	1715	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	1716	#$cf::WAIT_FOR_TICK->wait;
1389	$map->reset;	1717	$map->reset;
1390	undef $guard;	1718	undef $guard;
1391	return find $path;	1719	return find $path;
…		…
1402	my ($self) = @_;	1730	my ($self) = @_;
1403		1731
1404	local $self->{deny_reset} = 1; # loading can take a long time	1732	local $self->{deny_reset} = 1; # loading can take a long time
1405		1733
1406	my $path = $self->{path};	1734	my $path = $self->{path};
		1735
		1736	{
1407	my $guard = cf::lock_acquire "map_load:$path";	1737	my $guard = cf::lock_acquire "map_load:$path";
1408		1738
1409	return if $self->in_memory != cf::MAP_SWAPPED;	1739	return if $self->in_memory != cf::MAP_SWAPPED;
1410		1740
1411	$self->in_memory (cf::MAP_LOADING);	1741	$self->in_memory (cf::MAP_LOADING);
1412		1742
1413	$self->alloc;	1743	$self->alloc;
1414		1744
1415	$self->pre_load;	1745	$self->pre_load;
1416
1417	$self->_load_objects ($self->{load_path}, 1)
1418	or return;
1419
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1421	if delete $self->{load_original};
1422
1423	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {
1426	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);
1428	}
1429	}
1430
1431	Coro::cede;
1432
1433	# now do the right thing for maps
1434	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;	1746	Coro::cede;
1441	$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;
1442	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	1766	unless $self->difficulty;
1444	Coro::cede;	1767	Coro::cede;
		1768
		1769	unless ($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;
1445	$self->activate;	1776	$self->activate;
		1777	}
		1778
		1779	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	1780	}
1447		1781
1448	$self->post_load;	1782	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	1783	}
1452		1784
1453	sub customise_for {	1785	sub customise_for {
1454	my ($self, $ob) = @_;	1786	my ($self, $ob) = @_;
1455		1787
1456	return find "~" . $ob->name . "/" . $self->{path}	1788	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	1789	if $self->per_player;
		1790
		1791	# return find "?party/" . $ob->name . "/" . $self->{path}
		1792	# if $self->per_party;
1458		1793
1459	$self	1794	$self
1460	}	1795	}
1461		1796
1462	# find and load all maps in the 3x3 area around a map	1797	# find and load all maps in the 3x3 area around a map
…		…
1573		1908
1574	sub reset_at {	1909	sub reset_at {
1575	my ($self) = @_;	1910	my ($self) = @_;
1576		1911
1577	# TODO: safety, remove and allow resettable per-player maps	1912	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	1913	return 1e99 if $self->{deny_reset};
1580		1914
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		1917
…		…
1594	my ($self) = @_;	1928	my ($self) = @_;
1595		1929
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		1931
1598	return if $self->players;	1932	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		1933
1601	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	}
1602		1945
1603	delete $cf::MAP{$self->path};	1946	delete $cf::MAP{$self->path};
1604		1947
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	$self->clear;	1948	$self->clear;
1607		1949
1608	$_->clear_links_to ($self) for values %cf::MAP;	1950	$_->clear_links_to ($self) for values %cf::MAP;
1609		1951
1610	$self->unlink_save;	1952	$self->unlink_save;
…		…
1629	$cf::MAP{$self->path} = $self;	1971	$cf::MAP{$self->path} = $self;
1630		1972
1631	$self->reset; # polite request, might not happen	1973	$self->reset; # polite request, might not happen
1632	}	1974	}
1633		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	]
		2010	}
		2011
1634	=item cf::map::unique_maps	2012	=item cf::map::unique_maps
1635		2013
1636	Returns an arrayref of paths of all shared maps that have	2014	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2015	instantiated unique items. May block.
1638		2016
1639	=cut	2017	=cut
1640		2018
1641	sub unique_maps() {	2019	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2020	[
1643	or return;	2021	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2022	utf8::decode $_;
1649	next if /\.pst$/;	2023	/\.map$/
1650	next unless /^$PATH_SEP/o;	2024	? normalise $_
1651		2025	: ()
1652	push @paths, cf::map::normalise $_;	2026	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2027	]
1654
1655	\@paths
1656	}	2028	}
1657		2029
1658	package cf;	2030	package cf;
1659		2031
1660	=back	2032	=back
…		…
1706		2078
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2080
1709	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1711	} 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 {
1712	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1714	}	2100	}
1715	}	2101	}
1716		2102
1717	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1718		2104
…		…
1766	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
1767		2153
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2155
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2157	if $self->map && $self->map->{path} ne "{link}";
1772		2158
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1774	}	2160	}
1775		2161
1776	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1778		2166
1779	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1780		2168
1781	unless ($map) {	2169	unless ($map) {
1782	# restore original map position	2170	# restore original map position
…		…
1800	$map->load;	2188	$map->load;
1801	$map->load_diag;	2189	$map->load_diag;
1802		2190
1803	return unless $self->contr->active;	2191	return unless $self->contr->active;
1804	$self->activate_recursive;	2192	$self->activate_recursive;
		2193
		2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1806	}	2196	}
1807		2197
1808	cf::player->attach (
1809	on_logout => sub {
1810	my ($pl) = @_;
1811
1812	# abort map switching before logout
1813	if ($pl->ob->{_link_pos}) {
1814	cf::sync_job {
1815	$pl->ob->leave_link
1816	};
1817	}
1818	},
1819	on_login => sub {
1820	my ($pl) = @_;
1821
1822	# try to abort aborted map switching on player login :)
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839
1840	=item $player_object->goto ($path, $x, $y)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1841		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
1842	=cut	2205	=cut
		2206
		2207	our $GOTOGEN;
1843		2208
1844	sub cf::object::player::goto {	2209	sub cf::object::player::goto {
1845	my ($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;
1846		2214
1847	$self->enter_link;	2215	$self->enter_link;
1848		2216
1849	(async {	2217	(async {
1850	my $map = eval {	2218	my $map = eval {
1851	my $map = cf::map::find $path;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2222	$map = $map->customise_for ($self);
		2223	$map = $check->($map) if $check && $map;
		2224	} else {
		2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2226	}
		2227
1853	$map	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 $@;
1854	} or	2234	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2235
		2236	if ($gen == $self->{_goto_generation}) {
		2237	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1858	})->prio (1);	2240	})->prio (1);
1859	}	2241	}
1860		2242
1861	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1862		2244
…		…
1901		2283
1902	$rmp->{random_seed} ||= $exit->random_seed;	2284	$rmp->{random_seed} ||= $exit->random_seed;
1903		2285
1904	my $data = cf::to_json $rmp;	2286	my $data = cf::to_json $rmp;
1905	my $md5 = Digest::MD5::md5_hex $data;	2287	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2288	my $meta = "$RANDOMDIR/$md5.meta";
1907		2289
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2291	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2292	undef $fh;
1911	aio_rename "$meta~", $meta;	2293	aio_rename "$meta~", $meta;
…		…
1920		2302
1921	return unless $self->type == cf::PLAYER;	2303	return unless $self->type == cf::PLAYER;
1922		2304
1923	if ($exit->slaying eq "/!") {	2305	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job	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
1925	cf::sync_job { prepare_random_map $exit };	2309	cf::sync_job { prepare_random_map $exit };
1926	}	2310	}
1927		2311
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;	2313	my $hp = $exit->stats->hp;
…		…
1937	$self->goto ($slaying, $hp, $sp);	2321	$self->goto ($slaying, $hp, $sp);
1938		2322
1939	1;	2323	1;
1940	}) {	2324	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2325	$self->message ("Something went wrong deep within the crossfire server. "
1942	. "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. "
1943	. "Please report this to the dungeon master!",	2327	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2328	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2329
1946	warn "ERROR in enter_exit: $@";	2330	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2331	$self->leave_link;
1948	}	2332	}
1949	})->prio (1);	2333	})->prio (1);
…		…
1962		2346
1963	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
1965		2349
1966	utf8::encode $text;	2350	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2352	}
1969		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	}
1970		2404
1971	=item $success = $client->query ($flags, "text", \&cb)	2405	=item $success = $client->query ($flags, "text", \&cb)
1972		2406
1973	Queues a query to the client, calling the given callback with	2407	Queues a query to the client, calling the given callback with
1974	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>,
…		…
2071		2505
2072	# here we export the classes and methods available to script code	2506	# here we export the classes and methods available to script code
2073		2507
2074	=pod	2508	=pod
2075		2509
2076	The following fucntions and emthods are available within a safe environment:	2510	The following functions and methods are available within a safe environment:
2077		2511
2078	cf::object contr pay_amount pay_player map	2512	cf::object contr pay_amount pay_player map
2079	cf::object::player player	2513	cf::object::player player
2080	cf::player peaceful	2514	cf::player peaceful
2081	cf::map trigger	2515	cf::map trigger
…		…
2162	=back	2596	=back
2163		2597
2164	=cut	2598	=cut
2165		2599
2166	#############################################################################	2600	#############################################################################
2167
2168	=head2 EXTENSION DATABASE SUPPORT
2169
2170	Crossfire maintains a very simple database for extension use. It can
2171	currently store anything that can be serialised using Storable, which
2172	excludes objects.
2173
2174	The parameter C<$family> should best start with the name of the extension
2175	using it, it should be unique.
2176
2177	=over 4
2178
2179	=item $hashref = cf::db_get $family
2180
2181	Return a hashref for use by the extension C<$family>, which can be
2182	modified. After modifications, you have to call C<cf::db_dirty> or
2183	C<cf::db_sync>.
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database
2188
2189	=item cf::db_put $family => $hashref
2190
2191	Stores the given family hashref into the database. Updates are delayed, if
2192	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family hash. Updates are delayed, if you
2197	want the data to be synced to disk immediately, use C<cf::db_sync>.
2198
2199	=item cf::db_dirty
2200
2201	Marks the database as dirty, to be updated at a later time.
2202
2203	=item cf::db_sync
2204
2205	Immediately write the database to disk I<if it is dirty>.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	{
2212	my $path = cf::localdir . "/database.pst";
2213
2214	sub db_load() {
2215	$DB = stat $path ? Storable::retrieve $path : { };
2216	}
2217
2218	my $pid;
2219
2220	sub db_save() {
2221	waitpid $pid, 0 if $pid;
2222	if (0 == ($pid = fork)) {
2223	$DB->{_meta}{version} = 1;
2224	Storable::nstore $DB, "$path~";
2225	rename "$path~", $path;
2226	cf::_exit 0 if defined $pid;
2227	}
2228	}
2229
2230	my $dirty;
2231
2232	sub db_sync() {
2233	db_save if $dirty;
2234	undef $dirty;
2235	}
2236
2237	my $idle = Event->idle (
2238	reentrant => 0,
2239	min => 10,
2240	max => 20,
2241	repeat => 0,
2242	data => WF_AUTOCANCEL,
2243	cb => \&db_sync,
2244	);
2245
2246	sub db_dirty() {
2247	$dirty = 1;
2248	$idle->start;
2249	}
2250
2251	sub db_get($;$) {
2252	@_ >= 2
2253	? $DB->{$_[0]}{$_[1]}
2254	: ($DB->{$_[0]} ||= { })
2255	}
2256
2257	sub db_put($$;$) {
2258	if (@_ >= 3) {
2259	$DB->{$_[0]}{$_[1]} = $_[2];
2260	} else {
2261	$DB->{$_[0]} = $_[1];
2262	}
2263	db_dirty;
2264	}
2265
2266	cf::global->attach (
2267	prio => 10000,
2268	on_cleanup => sub {
2269	db_sync;
2270	},
2271	);
2272	}
2273
2274	#############################################################################
2275	# the server's init and main functions	2601	# the server's init and main functions
2276		2602
2277	sub load_resources {	2603	sub load_facedata($) {
2278	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2604	my ($path) = @_;
		2605
		2606	warn "loading facedata from $path\n";
		2607
		2608	my $facedata;
		2609	0 < aio_load $path, $facedata
		2610	or die "$path: $!";
		2611
		2612	$facedata = Coro::Storable::thaw $facedata;
		2613
		2614	$facedata->{version} == 2
		2615	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2616
		2617	{
		2618	my $faces = $facedata->{faceinfo};
		2619
		2620	while (my ($face, $info) = each %$faces) {
		2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2625	Coro::cede;
		2626	}
		2627
		2628	while (my ($face, $info) = each %$faces) {
		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"
2279	or die "unable to load regions file\n";#d#	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;
2280	}	2689	}
2281		2690
2282	sub cfg_load {	2691	sub cfg_load {
2283	open my $fh, "<:utf8", cf::confdir . "/config"	2692	open my $fh, "<:utf8", "$CONFDIR/config"
2284	or return;	2693	or return;
2285		2694
2286	local $/;	2695	local $/;
2287	*CFG = YAML::Syck::Load <$fh>;	2696	*CFG = YAML::Syck::Load <$fh>;
2288		2697
…		…
2296	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2705	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2297	and die "WARNING: m(un)lockall failed: $!\n";	2706	and die "WARNING: m(un)lockall failed: $!\n";
2298	};	2707	};
2299	warn $@ if $@;	2708	warn $@ if $@;
2300	}	2709	}
2301	}
2302
2303	sub init {
2304	load_resources;
2305	}	2710	}
2306		2711
2307	sub main {	2712	sub main {
2308	# we must not ever block the main coroutine	2713	# we must not ever block the main coroutine
2309	local $Coro::idle = sub {	2714	local $Coro::idle = sub {
…		…
2312	Event::one_event;	2717	Event::one_event;
2313	})->prio (Coro::PRIO_MAX);	2718	})->prio (Coro::PRIO_MAX);
2314	};	2719	};
2315		2720
2316	cfg_load;	2721	cfg_load;
2317	db_load;	2722	db_init;
2318	load_extensions;	2723	load_extensions;
2319		2724
2320	$TICK_WATCHER->start;	2725	$TICK_WATCHER->start;
2321	Event::loop;	2726	Event::loop;
2322	}	2727	}
…		…
2337	},	2742	},
2338	);	2743	);
2339	}	2744	}
2340	}	2745	}
2341		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
2342	sub emergency_save() {	2785	sub emergency_save() {
2343	my $freeze_guard = cf::freeze_mainloop;	2786	my $freeze_guard = cf::freeze_mainloop;
2344		2787
2345	warn "enter emergency perl save\n";	2788	warn "enter emergency perl save\n";
2346		2789
…		…
2361	my $map = $cf::MAP{$path} or next;	2804	my $map = $cf::MAP{$path} or next;
2362	$map->valid or next;	2805	$map->valid or next;
2363	$map->save;	2806	$map->save;
2364	}	2807	}
2365	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 $DB_ENV;
		2812	warn "end emergency database checkpoint\n";
2366	};	2813	};
2367		2814
2368	warn "leave emergency perl save\n";	2815	warn "leave emergency perl save\n";
2369	}	2816	}
2370		2817
		2818	sub post_cleanup {
		2819	my ($make_core) = @_;
		2820
		2821	warn Carp::longmess "post_cleanup backtrace"
		2822	if $make_core;
		2823	}
		2824
2371	sub reload() {	2825	sub do_reload_perl() {
2372	# can/must only be called in main	2826	# can/must only be called in main
2373	if ($Coro::current != $Coro::main) {	2827	if ($Coro::current != $Coro::main) {
2374	warn "can only reload from main coroutine";	2828	warn "can only reload from main coroutine";
2375	return;	2829	return;
2376	}	2830	}
2377		2831
2378	warn "reloading...";	2832	warn "reloading...";
2379		2833
2380	warn "cancelling server ticker";	2834	warn "entering sync_job";
2381	$TICK_WATCHER->cancel;
2382		2835
		2836	cf::sync_job {
		2837	cf::write_runtime; # external watchdog should not bark
2383	cf::emergency_save;	2838	cf::emergency_save;
		2839	cf::write_runtime; # external watchdog should not bark
2384		2840
2385	eval {	2841	warn "syncing database to disk";
		2842	BDB::db_env_txn_checkpoint $DB_ENV;
		2843
2386	# 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
2387
2388	warn "syncing database to disk";
2389	cf::db_sync;
2390		2845
2391	warn "cancelling all WF_AUTOCANCEL watchers";	2846	warn "cancelling all WF_AUTOCANCEL watchers";
2392	for (Event::all_watchers) {	2847	for (Event::all_watchers) {
2393	$_->cancel if $_->data & WF_AUTOCANCEL;	2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2394	}	2849	}
2395		2850
2396	warn "flushing outstanding aio requests";	2851	warn "flushing outstanding aio requests";
2397	for (;;) {	2852	for (;;) {
		2853	BDB::flush;
2398	IO::AIO::flush;	2854	IO::AIO::flush;
2399	Coro::cede;	2855	Coro::cede;
2400	last unless IO::AIO::nreqs;	2856	last unless IO::AIO::nreqs || BDB::nreqs;
2401	warn "iterate...";	2857	warn "iterate...";
2402	}	2858	}
		2859
		2860	++$RELOAD;
2403		2861
2404	warn "cancelling all extension coros";	2862	warn "cancelling all extension coros";
2405	$_->cancel for values %EXT_CORO;	2863	$_->cancel for values %EXT_CORO;
2406	%EXT_CORO = ();	2864	%EXT_CORO = ();
2407		2865
…		…
2447	Symbol::delete_package "safe::$_"	2905	Symbol::delete_package "safe::$_"
2448	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);
2449		2907
2450	warn "unloading cf.pm \"a bit\"";	2908	warn "unloading cf.pm \"a bit\"";
2451	delete $INC{"cf.pm"};	2909	delete $INC{"cf.pm"};
		2910	delete $INC{"cf/pod.pm"};
2452		2911
2453	# don't, removes xs symbols, too,	2912	# don't, removes xs symbols, too,
2454	# and global variables created in xs	2913	# and global variables created in xs
2455	#Symbol::delete_package __PACKAGE__;	2914	#Symbol::delete_package __PACKAGE__;
2456		2915
…		…
2460	require cf;	2919	require cf;
2461	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2462		2921
2463	warn "loading config and database again";	2922	warn "loading config and database again";
2464	cf::cfg_load;	2923	cf::cfg_load;
2465	cf::db_load;
2466		2924
2467	warn "loading extensions";	2925	warn "loading extensions";
2468	cf::load_extensions;	2926	cf::load_extensions;
2469		2927
2470	warn "reattaching attachments to objects/players";	2928	warn "reattaching attachments to objects/players";
2471	_global_reattach;	2929	_global_reattach; # objects, sockets
2472	warn "reattaching attachments to maps";	2930	warn "reattaching attachments to maps";
2473	reattach $_ for values %MAP;	2931	reattach $_ for values %MAP;
		2932	warn "reattaching attachments to players";
		2933	reattach $_ for values %PLAYER;
2474		2934
2475	warn "loading reloadable resources";	2935	warn "leaving sync_job";
2476	load_resources;
2477		2936
2478	warn "restarting server ticker";	2937	1
2479		2938	} or do {
2480	$TICK_WATCHER->start;
2481	};
2482
2483	if ($@) {
2484	warn $@;	2939	warn $@;
2485	warn "error while reloading, exiting.";	2940	warn "error while reloading, exiting.";
2486	exit 1;	2941	exit 1;
2487	}	2942	};
2488		2943
2489	warn "reloaded";	2944	warn "reloaded";
2490	};	2945	};
2491		2946
2492	our $RELOAD_WATCHER; # used only during reload	2947	our $RELOAD_WATCHER; # used only during reload
2493		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 $RELOAD_WATCHER;
		2960	},
		2961	);
		2962	}
		2963
2494	register_command "reload" => sub {	2964	register_command "reload" => sub {
2495	my ($who, $arg) = @_;	2965	my ($who, $arg) = @_;
2496		2966
2497	if ($who->flag (FLAG_WIZ)) {	2967	if ($who->flag (FLAG_WIZ)) {
2498	$who->message ("reloading server.");	2968	$who->message ("reloading server.");
2499		2969	async { reload_perl };
2500	# doing reload synchronously and two reloads happen back-to-back,
2501	# coro crashes during coro_state_free->destroy here.
2502
2503	$RELOAD_WATCHER ||= Event->timer (
2504	reentrant => 0,
2505	after => 0,
2506	data => WF_AUTOCANCEL,
2507	cb => sub {
2508	reload;
2509	undef $RELOAD_WATCHER;
2510	},
2511	);
2512	}	2970	}
2513	};	2971	};
2514		2972
2515	unshift @INC, $LIBDIR;	2973	unshift @INC, $LIBDIR;
2516		2974
2517	my $bug_warning = 0;	2975	my $bug_warning = 0;
2518		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;
2519	$TICK_WATCHER = Event->timer (	3000	$TICK_WATCHER = Event->timer (
2520	reentrant => 0,	3001	reentrant => 0,
2521	parked => 1,	3002	parked => 1,
2522	prio => 0,	3003	prio => 0,
2523	at => $NEXT_TICK || $TICK,	3004	at => $NEXT_TICK || $TICK,
…		…
2527	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2528	unless ++$bug_warning > 10;	3009	unless ++$bug_warning > 10;
2529	return;	3010	return;
2530	}	3011	}
2531		3012
2532	$NOW = Event::time;	3013	$NOW = $tick_start = Event::time;
2533		3014
2534	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
2535	$RUNTIME += $TICK;	3040	$RUNTIME += $TICK;
2536	$NEXT_TICK += $TICK;	3041	$NEXT_TICK += $TICK;
2537		3042
2538	$WAIT_FOR_TICK->broadcast;	3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2539	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
2540		3045	Coro::async_pool {
2541	Event::sweep;	3046	write_runtime
2542	Coro::cede_notself;	3047	or warn "ERROR: unable to write runtime file: $!";
		3048	};
2543		3049	}
		3050
2544	# my $AFTER = Event::time;	3051	# my $AFTER = Event::time;
2545	# warn $AFTER - $NOW;#d#	3052	# warn $AFTER - $NOW;#d#
2546		3053
		3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3055	$sig->send;
		3056	}
		3057	while (my $sig = shift @WAIT_FOR_TICK) {
		3058	$sig->send;
		3059	}
		3060
		3061	$NOW = Event::time;
		3062
2547	# 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
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2549		3065
2550	$TICK_WATCHER->at ($NEXT_TICK);	3066	$TICK_WATCHER->at ($NEXT_TICK);
2551	$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
2552	},	3075	},
2553	);	3076	);
2554		3077
		3078	{
		3079	BDB::max_poll_time $TICK * 0.1;
		3080	$BDB_POLL_WATCHER = Event->io (
		3081	reentrant => 0,
		3082	fd => BDB::poll_fileno,
		3083	poll => 'r',
		3084	prio => 0,
		3085	data => WF_AUTOCANCEL,
		3086	cb => \&BDB::poll_cb,
		3087	);
		3088	BDB::min_parallel 8;
		3089
		3090	BDB::set_sync_prepare {
		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 $@;
		3124	};
		3125	}
		3126	}
		3127
		3128	{
		3129	IO::AIO::min_parallel 8;
		3130
		3131	undef $Coro::AIO::WATCHER;
2555	IO::AIO::max_poll_time $TICK * 0.1;	3132	IO::AIO::max_poll_time $TICK * 0.1;
2556
2557	undef $Coro::AIO::WATCHER;
2558	$AIO_POLL_WATCHER = Event->io (	3133	$AIO_POLL_WATCHER = Event->io (
2559	reentrant => 0,	3134	reentrant => 0,
		3135	data => WF_AUTOCANCEL,
2560	fd => IO::AIO::poll_fileno,	3136	fd => IO::AIO::poll_fileno,
2561	poll => 'r',	3137	poll => 'r',
2562	prio => 6,	3138	prio => 6,
2563	data => WF_AUTOCANCEL,
2564	cb => \&IO::AIO::poll_cb,	3139	cb => \&IO::AIO::poll_cb,
2565	);	3140	);
		3141	}
2566		3142
2567	$WRITE_RUNTIME_WATCHER = Event->timer (	3143	my $_log_backtrace;
2568	reentrant => 0,	3144
2569	data => WF_AUTOCANCEL,	3145	sub _log_backtrace {
2570	after => 1,	3146	my ($msg, @addr) = @_;
2571	interval => 10,	3147
2572	prio => 6, # keep it lowest so it acts like a watchdog	3148	$msg =~ s/\n//;
2573	cb => Coro::unblock_sub {	3149
2574	write_runtime	3150	# limit the # of concurrent backtraces
2575	or warn "ERROR: unable to write runtime file: $!";	3151	if ($_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";
2576	},	3178	}
2577	);	3179	}
		3180
		3181	# load additional modules
		3182	use cf::pod;
2578		3183
2579	END { cf::emergency_save }	3184	END { cf::emergency_save }
2580		3185
2581	1	3186	1
2582		3187

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines