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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.175 by root, Sun Jan 14 21:20:51 2007 UTC vs.
Revision 1.283 by root, Sun Jun 24 04:09:29 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 3.4 ();	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;
		113
		114	sub cf::map::normalise;
87		115
88	#############################################################################	116	#############################################################################
89		117
90	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
91		119
…		…
98	=item $cf::RUNTIME	126	=item $cf::RUNTIME
99		127
100	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
101	every server tick.	129	every server tick.
102		130
103	=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
104		134
105	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		139
108	=item $cf::NOW	140	=item $cf::NOW
109		141
110	The time of the last (current) server tick.	142	The time of the last (current) server tick.
111		143
112	=item $cf::TICK	144	=item $cf::TICK
113		145
114	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.
115		157
116	=item %cf::CFG	158	=item %cf::CFG
117		159
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	161	from wherever your confdir points to.
120		162
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		164
123	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
124	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
125	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.
126	window of cpu time available, or simply to synchronise to the server tick.
127		168
128	=back	169	=back
129		170
130	=cut	171	=cut
131		172
132	BEGIN {	173	BEGIN {
133	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	175	my $msg = join "", @_;
135	utf8::encode $msg;
136		176
137	$msg .= "\n"	177	$msg .= "\n"
138	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
139		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
140	LOG llevError, $msg;	183	LOG llevError, $msg;
141	};	184	};
142	}	185	}
143		186
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		194
151	# 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
152	# within the Safe compartment.	196	# within the Safe compartment.
153	for my $pkg (qw(	197	for my $pkg (qw(
154	cf::global cf::attachable	198	cf::global cf::attachable
…		…
162	}	206	}
163		207
164	$Event::DIED = sub {	208	$Event::DIED = sub {
165	warn "error in event callback: @_";	209	warn "error in event callback: @_";
166	};	210	};
		211
		212	#############################################################################
167		213
168	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
169		215
170	=over 4	216	=over 4
171		217
…		…
190	$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;
191	$d	237	$d
192	} || "[unable to dump $_[0]: '$@']";	238	} || "[unable to dump $_[0]: '$@']";
193	}	239	}
194		240
195	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
196		242
197	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
198		244
199	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
200		246
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
209		248
210	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
211
212	=cut
213
214	sub to_json($) {
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216	JSON::Syck::Dump $_[0]
217	}
218		250
219	=item cf::lock_wait $string	251	=item cf::lock_wait $string
220		252
221	Wait until the given lock is available. See cf::lock_acquire.	253	Wait until the given lock is available. See cf::lock_acquire.
222		254
…		…
228	returned.	260	returned.
229		261
230	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
231	uses map_find and cf::map::load uses map_load).	263	uses map_find and cf::map::load uses map_load).
232		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
		268
233	=cut	269	=cut
234		270
235	our %LOCK;	271	our %LOCK;
236		272
237	sub lock_wait($) {	273	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	292	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	293	$_->ready for @{ delete $LOCK{$key} };
258	}	294	}
259	}	295	}
260		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
		301	}
		302
261	sub freeze_mainloop {	303	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	304	return unless $TICK_WATCHER->is_active;
263		305
264	my $guard = Coro::guard {	306	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	307	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	308	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	309	$TICK_WATCHER->stop;
270	$guard	310	$guard
271	}	311	}
272		312
273	=item cf::async { BLOCK }	313	=item cf::async { BLOCK }
…		…
280		320
281	BEGIN { *async = \&Coro::async_pool }	321	BEGIN { *async = \&Coro::async_pool }
282		322
283	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
284		324
285	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
288		329
289	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
292	fast or be very important.	333	fast or be very important.
…		…
295		336
296	sub sync_job(&) {	337	sub sync_job(&) {
297	my ($job) = @_;	338	my ($job) = @_;
298		339
299	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
300	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
302		345
303	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	347	# (but this is cancel-safe)
…		…
315		358
316	while ($busy) {	359	while ($busy) {
317	Coro::cede or Event::one_event;	360	Coro::cede or Event::one_event;
318	}	361	}
319		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
320	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
321	} else {	371	} else {
322	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
323		373
324	$job->()	374	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
344		394
345	$coro	395	$coro
346	}	396	}
347		397
348	sub write_runtime {	398	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		399
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	400	Executes the given code block with the given arguments in a seperate
352	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.
353		404
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	405	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		406
358	aio_fsync $fh	407	sub fork_call(&@) {
359	and return;	408	my ($cb, @args) = @_;
360		409
		410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		411	# or die "socketpair: $!";
		412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
		414
		415	if (my $pid = fork) {
361	close $fh	416	close $fh2;
362	or return;
363		417
364	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
365	and return;	419	$res = Coro::Storable::thaw $res;
366		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
367	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		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 });
368	}	567	}
369		568
370	=back	569	=back
371		570
372	=cut	571	=cut
…		…
379	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")
380	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
381		580
382	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>
383	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
384	crossfire+).	583	Crossfire TRT).
385		584
386	=over 4	585	=over 4
387		586
388	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
389		588
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
553		752
554	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		757
559	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	759	my $pkg = shift @arg;
561		760
562	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
592	}	791	}
593		792
594	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
595	} else {	794	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	796	}
598		797
599	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
600	}	799	}
601		800
…		…
603	if (ref $_[0]) {	802	if (ref $_[0]) {
604	_object_attach @_;	803	_object_attach @_;
605	} else {	804	} else {
606	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
607	}	806	}
		807	_recalc_want;
608	};	808	};
609		809
610	# all those should be optimised	810	# all those should be optimised
611	sub cf::attachable::detach {	811	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
616	reattach ($obj);	816	reattach ($obj);
617	} else {	817	} else {
618	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
619	}	819	}
		820	_recalc_want;
620	};	821	};
621		822
622	sub cf::attachable::attached {	823	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
624		825
…		…
747	$filename, length $$rdata, scalar @$objs;	948	$filename, length $$rdata, scalar @$objs;
748		949
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	951	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	953	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	954	close $fh;
754		955
755	if (@$objs) {	956	if (@$objs) {
756	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) {
757	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	959	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	960	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	962	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	963	aio_rename "$filename.pst~", "$filename.pst";
763	}	964	}
764	} else {	965	} else {
765	aio_unlink "$filename.pst";	966	aio_unlink "$filename.pst";
…		…
797	or return;	998	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1000	}
800		1001
801	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
803	return ($data, $av);	1004	return ($data, $av);
804	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
805		1012
806	#############################################################################	1013	#############################################################################
807	# command handling &c	1014	# command handling &c
808		1015
809	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1030	}
824		1031
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1033
827	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.
828		1035
829	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
830	called.	1037	called.
831		1038
832	=cut	1039	=cut
…		…
867		1074
868	cf::override;	1075	cf::override;
869	},	1076	},
870	);	1077	);
871		1078
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
907	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1084	next unless -r $path;
909	eval {	1085
910	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;
911	1	1143	}
912	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
913	}	1149	};
914	}	1150	}
915		1151
916	#############################################################################	1152	#############################################################################
917		1153
		1154	=back
		1155
918	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
919		1157
920	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
921		1159
922	=cut	1160	=cut
…		…
934	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
935		1173
936	=cut	1174	=cut
937		1175
938	sub playerdir($) {	1176	sub playerdir($) {
939	cf::localdir	1177	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1179	}
945		1180
946	sub path($) {	1181	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1183
949	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
950	}	1185	}
951		1186
952	sub find_active($) {	1187	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
957		1192
958	sub exists($) {	1193	sub exists($) {
959	my ($login) = @_;	1194	my ($login) = @_;
960		1195
961	$cf::PLAYER{$login}	1196	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1197	or cf::sync_job { !aio_stat path $login }
963	}	1198	}
964		1199
965	sub find($) {	1200	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1201	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1202	my $login = $_[0];
968		1203
969	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
970		1205
971	$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
972	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
973	or return;	1215	or return;
974	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
975	}	1217	}
976	}	1218	}
…		…
1013		1255
1014	=cut	1256	=cut
1015		1257
1016	sub quit_character {	1258	sub quit_character {
1017	my ($pl) = @_;	1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
1018		1262
1019	$pl->{deny_save} = 1;	1263	$pl->{deny_save} = 1;
1020	$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
1021		1265
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1271	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1272	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1273	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1274	delete $cf::PLAYER{$pl->ob->name};
1031	$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
1032	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;
1033	}	1297	}
1034		1298
1035	=item cf::player::list_logins	1299	=item cf::player::list_logins
1036		1300
1037	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
1038	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1039		1303
1040	=cut	1304	=cut
1041		1305
1042	sub list_logins {	1306	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1308	or return [];
1045		1309
1046	my @logins;	1310	my @logins;
1047		1311
1048	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
…		…
1065	=cut	1329	=cut
1066		1330
1067	sub maps($) {	1331	sub maps($) {
1068	my ($pl) = @_;	1332	my ($pl) = @_;
1069		1333
		1334	$pl = ref $pl ? $pl->ob->name : $pl;
		1335
1070	my $files = aio_readdir playerdir $pl	1336	my $files = aio_readdir playerdir $pl
1071	or return;	1337	or return;
1072		1338
1073	my @paths;	1339	my @paths;
1074		1340
1075	for (@$files) {	1341	for (@$files) {
1076	utf8::decode $_;	1342	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1343	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1344	next unless /^$PATH_SEP/o;
1079		1345
1080	s/\.map$//;	1346	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1347	}
1083		1348
1084	\@paths	1349	\@paths
1085	}	1350	}
1086		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
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1385	=item $player->ext_reply ($msgid, %msg)
1088		1386
1089	Sends an ext reply to the player.	1387	Sends an ext reply to the player.
1090		1388
1091	=cut	1389	=cut
1092		1390
1093	sub ext_reply($$$%) {	1391	sub ext_reply($$%) {
1094	my ($self, $id, %msg) = @_;	1392	my ($self, $id, %msg) = @_;
1095		1393
1096	$msg{msgid} = $id;	1394	$msg{msgid} = $id;
1097		1395
1098	$self->send ("ext " . cf::to_json \%msg);	1396	$self->send ("ext " . cf::to_json \%msg);
1099	}	1397	}
1100		1398
1101	package cf;	1399	=item $player->ext_event ($type, %msg)
		1400
		1401	Sends an ext event to the client.
		1402
		1403	=cut
		1404
		1405	sub ext_event($$%) {
		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	}
1102		1439
1103	=back	1440	=back
1104
1105		1441
1106	=head3 cf::map	1442	=head3 cf::map
1107		1443
1108	=over 4	1444	=over 4
1109		1445
…		…
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	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155		1498
1156	sub thawer_merge {	1499	sub thawer_merge {
1157	my ($self, $merge) = @_;	1500	my ($self, $merge) = @_;
1158		1501
1159	# we have to keep some variables in memory intact	1502	# we have to keep some variables in memory intact
1160	local $self->{path};	1503	local $self->{path};
1161	local $self->{load_path};	1504	local $self->{load_path};
1162	local $self->{deny_save};
1163	local $self->{deny_reset};
1164		1505
1165	$self->SUPER::thawer_merge ($merge);	1506	$self->SUPER::thawer_merge ($merge);
1166	}	1507	}
1167		1508
1168	sub normalise {	1509	sub normalise {
1169	my ($path, $base) = @_;	1510	my ($path, $base) = @_;
		1511
		1512	$path = "$path"; # make sure its a string
		1513
		1514	$path =~ s/\.map$//;
1170		1515
1171	# map plan:	1516	# map plan:
1172	#	1517	#
1173	# /! non-realised random map exit (special hack!)	1518	# /! non-realised random map exit (special hack!)
1174	# {... are special paths that are not being touched	1519	# {... are special paths that are not being touched
…		…
1202		1547
1203	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
1204		1549
1205	$path = normalise $path, $base;	1550	$path = normalise $path, $base;
1206		1551
1207	for my $pkg (keys %EXT_MAP) {	1552	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208	if ($path =~ $EXT_MAP{$pkg}) {	1553	if ($path =~ $EXT_MAP{$pkg}[1]) {
1209	my $self = bless cf::map::new, $pkg;	1554	my $self = bless cf::map::new, $pkg;
1210	$self->{path} = $path; $self->path ($path);	1555	$self->{path} = $path; $self->path ($path);
1211	$self->init; # pass $1 etc.	1556	$self->init; # pass $1 etc.
1212	return $self;	1557	return $self;
1213	}	1558	}
1214	}	1559	}
1215		1560
1216	Carp::carp "unable to resolve path '$path'.";	1561	Carp::carp "unable to resolve path '$path' (base '$base').";
1217	()	1562	()
1218	}	1563	}
1219		1564
1220	sub init {	1565	sub init {
1221	my ($self) = @_;	1566	my ($self) = @_;
…		…
1236		1581
1237	# the original (read-only) location	1582	# the original (read-only) location
1238	sub load_path {	1583	sub load_path {
1239	my ($self) = @_;	1584	my ($self) = @_;
1240		1585
1241	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1586	"$MAPDIR/$self->{path}.map"
1242	}	1587	}
1243		1588
1244	# the temporary/swap location	1589	# the temporary/swap location
1245	sub save_path {	1590	sub save_path {
1246	my ($self) = @_;	1591	my ($self) = @_;
1247		1592
1248	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1249	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1594	"$TMPDIR/$path.map"
1250	}	1595	}
1251		1596
1252	# the unique path, undef == no special unique path	1597	# the unique path, undef == no special unique path
1253	sub uniq_path {	1598	sub uniq_path {
1254	my ($self) = @_;	1599	my ($self) = @_;
1255		1600
1256	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1257	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1602	"$UNIQUEDIR/$path"
1258	}	1603	}
1259		1604
1260	# and all this just because we cannot iterate over	1605	# and all this just because we cannot iterate over
1261	# all maps in C++...	1606	# all maps in C++...
1262	sub change_all_map_light {	1607	sub change_all_map_light {
…		…
1264		1609
1265	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1266	for grep $_->outdoor, values %cf::MAP;	1611	for grep $_->outdoor, values %cf::MAP;
1267	}	1612	}
1268		1613
		1614	sub decay_objects {
		1615	my ($self) = @_;
		1616
		1617	return if $self->{deny_reset};
		1618
		1619	$self->do_decay_objects;
		1620	}
		1621
1269	sub unlink_save {	1622	sub unlink_save {
1270	my ($self) = @_;	1623	my ($self) = @_;
1271		1624
1272	utf8::encode (my $save = $self->save_path);	1625	utf8::encode (my $save = $self->save_path);
1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1626	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1276		1629
1277	sub load_header_from($) {	1630	sub load_header_from($) {
1278	my ($self, $path) = @_;	1631	my ($self, $path) = @_;
1279		1632
1280	utf8::encode $path;	1633	utf8::encode $path;
1281	aio_open $path, O_RDONLY, 0	1634	#aio_open $path, O_RDONLY, 0
1282	or return;	1635	# or return;
1283		1636
1284	$self->_load_header ($path)	1637	$self->_load_header ($path)
1285	or return;	1638	or return;
1286		1639
1287	$self->{load_path} = $path;	1640	$self->{load_path} = $path;
1288		1641
1289	1	1642	1
1290	}	1643	}
1291		1644
1292	sub load_orig {	1645	sub load_header_orig {
1293	my ($self) = @_;	1646	my ($self) = @_;
1294		1647
1295	$self->load_header_from ($self->load_path)	1648	$self->load_header_from ($self->load_path)
1296	}	1649	}
1297		1650
1298	sub load_temp {	1651	sub load_header_temp {
1299	my ($self) = @_;	1652	my ($self) = @_;
1300		1653
1301	$self->load_header_from ($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	$self->instantiate;
1302	}	1674	}
1303		1675
1304	sub load_header {	1676	sub load_header {
1305	my ($self) = @_;	1677	my ($self) = @_;
1306		1678
1307	if ($self->load_temp) {	1679	if ($self->load_header_temp) {
1308	$self->last_access ((delete $self->{last_access})	1680	$self->prepare_temp;
1309	|| $cf::RUNTIME); #d#
1310	# safety
1311	$self->{instantiate_time} = $cf::RUNTIME
1312	if $self->{instantiate_time} > $cf::RUNTIME;
1313	} else {	1681	} else {
1314	$self->load_orig	1682	$self->load_header_orig
1315	or return;	1683	or return;
1316		1684	$self->prepare_orig;
1317	$self->{load_original} = 1;
1318	$self->{instantiate_time} = $cf::RUNTIME;
1319	$self->last_access ($cf::RUNTIME);
1320	$self->instantiate;
1321	}	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;
1322		1692
1323	1	1693	1
1324	}	1694	}
1325		1695
1326	sub find;	1696	sub find;
…		…
1339	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1340		1710
1341	$map->load_header	1711	$map->load_header
1342	or return;	1712	or return;
1343		1713
1344	if ($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
1345	$cf::WAIT_FOR_TICK->wait;	1716	#$cf::WAIT_FOR_TICK->wait;
1346	$map->reset;	1717	$map->reset;
1347	undef $guard;	1718	undef $guard;
1348	$map = find $path	1719	return find $path;
1349	or return;
1350	}	1720	}
1351		1721
1352	$cf::MAP{$path} = $map	1722	$cf::MAP{$path} = $map
1353	}	1723	}
1354	}	1724	}
		1725
		1726	sub pre_load { }
		1727	sub post_load { }
1355		1728
1356	sub load {	1729	sub load {
1357	my ($self) = @_;	1730	my ($self) = @_;
1358		1731
		1732	local $self->{deny_reset} = 1; # loading can take a long time
		1733
1359	my $path = $self->{path};	1734	my $path = $self->{path};
		1735
		1736	{
1360	my $guard = cf::lock_acquire "map_load:$path";	1737	my $guard = cf::lock_acquire "map_load:$path";
1361		1738
1362	return if $self->in_memory != cf::MAP_SWAPPED;	1739	return if $self->in_memory != cf::MAP_SWAPPED;
1363		1740
1364	$self->in_memory (cf::MAP_LOADING);	1741	$self->in_memory (cf::MAP_LOADING);
1365		1742
1366	$self->alloc;	1743	$self->alloc;
1367	$self->_load_objects ($self->{load_path}, 1)
1368	or return;
1369		1744
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1745	$self->pre_load;
1371	if delete $self->{load_original};
1372
1373	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {
1376	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);
1378	}
1379	}
1380
1381	Coro::cede;
1382
1383	# now do the right thing for maps
1384	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;	1746	Coro::cede;
1391	$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;
1392	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	1766	unless $self->difficulty;
1394	Coro::cede;	1767	Coro::cede;
		1768
		1769	unless ($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;
1395	$self->activate;	1776	$self->activate;
1396	}	1777	}
1397		1778
1398	$self->in_memory (cf::MAP_IN_MEMORY);	1779	$self->in_memory (cf::MAP_IN_MEMORY);
		1780	}
		1781
		1782	$self->post_load;
1399	}	1783	}
1400		1784
1401	sub customise_for {	1785	sub customise_for {
1402	my ($self, $ob) = @_;	1786	my ($self, $ob) = @_;
1403		1787
1404	return find "~" . $ob->name . "/" . $self->{path}	1788	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	1789	if $self->per_player;
		1790
		1791	# return find "?party/" . $ob->name . "/" . $self->{path}
		1792	# if $self->per_party;
1406		1793
1407	$self	1794	$self
1408	}	1795	}
1409		1796
1410	# 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
…		…
1442		1829
1443	cf::sync_job { $map->load };	1830	cf::sync_job { $map->load };
1444	}	1831	}
1445		1832
1446	our %MAP_PREFETCH;	1833	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = Coro::async {	1834	our $MAP_PREFETCHER = undef;
1448	while () {
1449	for my $path (keys %MAP_PREFETCH) {
1450	my $map = find $path
1451	or next;
1452	$map->load;
1453
1454	delete $MAP_PREFETCH{$path};
1455	}
1456	Coro::schedule;
1457	}
1458	};
1459		1835
1460	sub find_async {	1836	sub find_async {
1461	my ($path, $origin) = @_;	1837	my ($path, $origin) = @_;
1462		1838
1463	$path = normalise $path, $origin && $origin->{path};	1839	$path = normalise $path, $origin && $origin->{path};
1464		1840
1465	if (my $map = $cf::MAP{$path}) {	1841	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1467	}	1843	}
1468		1844
1469	$MAP_PREFETCH{$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	};
1470	$MAP_PREFETCHER->ready;	1858	$MAP_PREFETCHER->prio (6);
1471		1859
1472	()	1860	()
1473	}	1861	}
1474		1862
1475	sub save {	1863	sub save {
…		…
1520		1908
1521	sub reset_at {	1909	sub reset_at {
1522	my ($self) = @_;	1910	my ($self) = @_;
1523		1911
1524	# TODO: safety, remove and allow resettable per-player maps	1912	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	1913	return 1e99 if $self->{deny_reset};
1527		1914
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		1917
…		…
1541	my ($self) = @_;	1928	my ($self) = @_;
1542		1929
1543	my $lock = cf::lock_acquire "map_data:$self->{path}";	1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		1931
1545	return if $self->players;	1932	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#
1547		1933
1548	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	}
1549		1945
1550	delete $cf::MAP{$self->path};	1946	delete $cf::MAP{$self->path};
1551		1947
1552	$self->in_memory (cf::MAP_SWAPPED);
1553	$self->clear;	1948	$self->clear;
1554		1949
1555	$_->clear_links_to ($self) for values %cf::MAP;	1950	$_->clear_links_to ($self) for values %cf::MAP;
1556		1951
1557	$self->unlink_save;	1952	$self->unlink_save;
…		…
1576	$cf::MAP{$self->path} = $self;	1971	$cf::MAP{$self->path} = $self;
1577		1972
1578	$self->reset; # polite request, might not happen	1973	$self->reset; # polite request, might not happen
1579	}	1974	}
1580		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
1581	=item cf::map::unique_maps	2012	=item cf::map::unique_maps
1582		2013
1583	Returns an arrayref of paths of all shared maps that have	2014	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2015	instantiated unique items. May block.
1585		2016
1586	=cut	2017	=cut
1587		2018
1588	sub unique_maps() {	2019	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2020	[
1590	or return;	2021	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2022	utf8::decode $_;
1596	next if /\.pst$/;
1597	next unless /^$PATH_SEP/o;
1598
1599	s/\.map$//;	2023	/\.map$/
1600	push @paths, $_;	2024	? normalise $_
		2025	: ()
		2026	} @{ aio_readdir $UNIQUEDIR or [] }
1601	}	2027	]
1602
1603	\@paths
1604	}	2028	}
1605		2029
1606	package cf;	2030	package cf;
1607		2031
1608	=back	2032	=back
…		…
1654		2078
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2080
1657	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1659	} 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 {
1660	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1662	}	2100	}
1663	}	2101	}
1664		2102
1665	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1666		2104
…		…
1699	=cut	2137	=cut
1700		2138
1701	sub link_map {	2139	sub link_map {
1702	unless ($LINK_MAP) {	2140	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2141	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2142	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2143	$LINK_MAP->load;
1706	}	2144	}
1707		2145
1708	$LINK_MAP	2146	$LINK_MAP
1709	}	2147	}
…		…
1714	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
1715		2153
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2155
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2157	if $self->map && $self->map->{path} ne "{link}";
1720		2158
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1722	}	2160	}
1723		2161
1724	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1726		2166
1727	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1728		2168
1729	unless ($map) {	2169	unless ($map) {
1730	# restore original map position	2170	# restore original map position
…		…
1748	$map->load;	2188	$map->load;
1749	$map->load_diag;	2189	$map->load_diag;
1750		2190
1751	return unless $self->contr->active;	2191	return unless $self->contr->active;
1752	$self->activate_recursive;	2192	$self->activate_recursive;
		2193
		2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1754	}	2196	}
1755		2197
1756	cf::player->attach (
1757	on_logout => sub {
1758	my ($pl) = @_;
1759
1760	# abort map switching before logout
1761	if ($pl->ob->{_link_pos}) {
1762	cf::sync_job {
1763	$pl->ob->leave_link
1764	};
1765	}
1766	},
1767	on_login => sub {
1768	my ($pl) = @_;
1769
1770	# try to abort aborted map switching on player login :)
1771	# should happen only on crashes
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787
1788	=item $player_object->goto ($path, $x, $y)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1789		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
1790	=cut	2205	=cut
		2206
		2207	our $GOTOGEN;
1791		2208
1792	sub cf::object::player::goto {	2209	sub cf::object::player::goto {
1793	my ($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;
1794		2214
1795	$self->enter_link;	2215	$self->enter_link;
1796		2216
1797	(async {	2217	(async {
		2218	my $map = eval {
1798	my $map = cf::map::find $path;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2222	$map = $map->customise_for ($self);
1800		2223	$map = $check->($map) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2224	} else {
1802	# if $map;
1803
1804	$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	}
1805		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};
1806	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1807	})->prio (1);	2240	})->prio (1);
1808	}	2241	}
1809		2242
1810	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1811		2244
…		…
1813		2246
1814	sub parse_random_map_params {	2247	sub parse_random_map_params {
1815	my ($spec) = @_;	2248	my ($spec) = @_;
1816		2249
1817	my $rmp = { # defaults	2250	my $rmp = { # defaults
1818	xsize => 10,	2251	xsize => (cf::rndm 15, 40),
1819	ysize => 10,	2252	ysize => (cf::rndm 15, 40),
		2253	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2254	#layout => string,
1820	};	2255	};
1821		2256
1822	for (split /\n/, $spec) {	2257	for (split /\n/, $spec) {
1823	my ($k, $v) = split /\s+/, $_, 2;	2258	my ($k, $v) = split /\s+/, $_, 2;
1824		2259
…		…
1828	$rmp	2263	$rmp
1829	}	2264	}
1830		2265
1831	sub prepare_random_map {	2266	sub prepare_random_map {
1832	my ($exit) = @_;	2267	my ($exit) = @_;
		2268
		2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
1833		2270
1834	# all this does is basically replace the /! path by	2271	# all this does is basically replace the /! path by
1835	# a new random map path (?random/...) with a seed	2272	# a new random map path (?random/...) with a seed
1836	# that depends on the exit object	2273	# that depends on the exit object
1837		2274
1838	my $rmp = parse_random_map_params $exit->msg;	2275	my $rmp = parse_random_map_params $exit->msg;
1839		2276
1840	if ($exit->map) {	2277	if ($exit->map) {
1841	$rmp->{region} = $exit->map->region_name;	2278	$rmp->{region} = $exit->region->name;
1842	$rmp->{origin_map} = $exit->map->path;	2279	$rmp->{origin_map} = $exit->map->path;
1843	$rmp->{origin_x} = $exit->x;	2280	$rmp->{origin_x} = $exit->x;
1844	$rmp->{origin_y} = $exit->y;	2281	$rmp->{origin_y} = $exit->y;
1845	}	2282	}
1846		2283
1847	$rmp->{random_seed} ||= $exit->random_seed;	2284	$rmp->{random_seed} ||= $exit->random_seed;
1848		2285
1849	my $data = cf::to_json $rmp;	2286	my $data = cf::to_json $rmp;
1850	my $md5 = Digest::MD5::md5_hex $data;	2287	my $md5 = Digest::MD5::md5_hex $data;
		2288	my $meta = "$RANDOMDIR/$md5.meta";
1851		2289
1852	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) {
1853	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;
1854		2294
1855	$exit->slaying ("?random/$md5");	2295	$exit->slaying ("?random/$md5");
1856	$exit->msg (undef);	2296	$exit->msg (undef);
1857	}	2297	}
1858	}	2298	}
1859		2299
1860	sub cf::object::player::enter_exit {	2300	sub cf::object::player::enter_exit {
1861	my ($self, $exit) = @_;	2301	my ($self, $exit) = @_;
1862		2302
1863	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;
1864		2315
1865	$self->enter_link;	2316	$self->enter_link;
1866		2317
1867	(async {	2318	(async {
1868	$self->deactivate_recursive; # just to be sure	2319	$self->deactivate_recursive; # just to be sure
1869	unless (eval {	2320	unless (eval {
1870	prepare_random_map $exit	2321	$self->goto ($slaying, $hp, $sp);
1871	if $exit->slaying eq "/!";
1872
1873	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1874	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1875		2322
1876	1;	2323	1;
1877	}) {	2324	}) {
1878	$self->message ("Something went wrong deep within the crossfire server. "	2325	$self->message ("Something went wrong deep within the crossfire server. "
1879	. "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. "
1880	. "Please report this to the dungeon master!",	2327	. "Please report this to the dungeon master!",
1881	cf::NDI_UNIQUE | cf::NDI_RED);	2328	cf::NDI_UNIQUE | cf::NDI_RED);
1882		2329
1883	warn "ERROR in enter_exit: $@";	2330	warn "ERROR in enter_exit: $@";
1884	$self->leave_link;	2331	$self->leave_link;
1885	}	2332	}
1886	})->prio (1);	2333	})->prio (1);
…		…
1899		2346
1900	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
1901	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
1902		2349
1903	utf8::encode $text;	2350	utf8::encode $text;
1904	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1905	}	2352	}
1906		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 ($color >= 0) {
		2382	if ($msg =~ /\[/) {
		2383	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2384	} else {
		2385	$self->send_packet ("drawinfo $color $msg")
		2386	}
		2387	}
		2388	}
		2389	}
		2390
		2391	=item $client->ext_event ($type, %msg)
		2392
		2393	Sends an exti event to the client.
		2394
		2395	=cut
		2396
		2397	sub cf::client::ext_event($$%) {
		2398	my ($self, $type, %msg) = @_;
		2399
		2400	$msg{msgtype} = "event_$type";
		2401	$self->send_packet ("ext " . cf::to_json \%msg);
		2402	}
1907		2403
1908	=item $success = $client->query ($flags, "text", \&cb)	2404	=item $success = $client->query ($flags, "text", \&cb)
1909		2405
1910	Queues a query to the client, calling the given callback with	2406	Queues a query to the client, calling the given callback with
1911	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2407	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1940	# get handled first	2436	# get handled first
1941	my $queue = delete $ns->{query_queue}	2437	my $queue = delete $ns->{query_queue}
1942	or return; # be conservative, not sure how that can happen, but we saw a crash here	2438	or return; # be conservative, not sure how that can happen, but we saw a crash here
1943		2439
1944	(shift @$queue)->[1]->($msg);	2440	(shift @$queue)->[1]->($msg);
		2441	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1945		2442
1946	push @{ $ns->{query_queue} }, @$queue;	2443	push @{ $ns->{query_queue} }, @$queue;
1947		2444
1948	if (@{ $ns->{query_queue} } == @$queue) {	2445	if (@{ $ns->{query_queue} } == @$queue) {
1949	if (@$queue) {	2446	if (@$queue) {
…		…
2007		2504
2008	# here we export the classes and methods available to script code	2505	# here we export the classes and methods available to script code
2009		2506
2010	=pod	2507	=pod
2011		2508
2012	The following fucntions and emthods are available within a safe environment:	2509	The following functions and methods are available within a safe environment:
2013		2510
2014	cf::object contr pay_amount pay_player map	2511	cf::object contr pay_amount pay_player map
2015	cf::object::player player	2512	cf::object::player player
2016	cf::player peaceful	2513	cf::player peaceful
2017	cf::map trigger	2514	cf::map trigger
…		…
2098	=back	2595	=back
2099		2596
2100	=cut	2597	=cut
2101		2598
2102	#############################################################################	2599	#############################################################################
		2600	# the server's init and main functions
2103		2601
2104	=head2 EXTENSION DATABASE SUPPORT	2602	sub load_facedata($) {
		2603	my ($path) = @_;
2105		2604
2106	Crossfire maintains a very simple database for extension use. It can	2605	warn "loading facedata from $path\n";
2107	currently store anything that can be serialised using Storable, which
2108	excludes objects.
2109		2606
2110	The parameter C<$family> should best start with the name of the extension	2607	my $facedata;
2111	using it, it should be unique.	2608	0 < aio_load $path, $facedata
		2609	or die "$path: $!";
2112		2610
2113	=over 4	2611	$facedata = Coro::Storable::thaw $facedata;
2114		2612
2115	=item $hashref = cf::db_get $family	2613	$facedata->{version} == 2
		2614	or cf::cleanup "$path: version mismatch, cannot proceed.";
2116		2615
2117	Return a hashref for use by the extension C<$family>, which can be
2118	modified. After modifications, you have to call C<cf::db_dirty> or
2119	C<cf::db_sync>.
2120
2121	=item $value = cf::db_get $family => $key
2122
2123	Returns a single value from the database
2124
2125	=item cf::db_put $family => $hashref
2126
2127	Stores the given family hashref into the database. Updates are delayed, if
2128	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_put $family => $key => $value
2131
2132	Stores the given C<$value> in the family hash. Updates are delayed, if you
2133	want the data to be synced to disk immediately, use C<cf::db_sync>.
2134
2135	=item cf::db_dirty
2136
2137	Marks the database as dirty, to be updated at a later time.
2138
2139	=item cf::db_sync
2140
2141	Immediately write the database to disk I<if it is dirty>.
2142
2143	=cut
2144
2145	our $DB;
2146
2147	{
2148	my $path = cf::localdir . "/database.pst";
2149
2150	sub db_load() {
2151	$DB = stat $path ? Storable::retrieve $path : { };
2152	}	2616	{
		2617	my $faces = $facedata->{faceinfo};
2153		2618
2154	my $pid;	2619	while (my ($face, $info) = each %$faces) {
2155		2620	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2156	sub db_save() {	2621	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2157	waitpid $pid, 0 if $pid;	2622	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2158	if (0 == ($pid = fork)) {	2623	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2159	$DB->{_meta}{version} = 1;	2624	Coro::cede;
2160	Storable::nstore $DB, "$path~";
2161	rename "$path~", $path;
2162	cf::_exit 0 if defined $pid;
2163	}
2164	}
2165
2166	my $dirty;
2167
2168	sub db_sync() {
2169	db_save if $dirty;
2170	undef $dirty;
2171	}
2172
2173	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2174	db_sync;
2175	});
2176
2177	sub db_dirty() {
2178	$dirty = 1;
2179	$idle->start;
2180	}
2181
2182	sub db_get($;$) {
2183	@_ >= 2
2184	? $DB->{$_[0]}{$_[1]}
2185	: ($DB->{$_[0]} ||= { })
2186	}
2187
2188	sub db_put($$;$) {
2189	if (@_ >= 3) {
2190	$DB->{$_[0]}{$_[1]} = $_[2];
2191	} else {
2192	$DB->{$_[0]} = $_[1];
2193	}
2194	db_dirty;
2195	}
2196
2197	cf::global->attach (
2198	prio => 10000,
2199	on_cleanup => sub {
2200	db_sync;
2201	},	2625	}
2202	);
2203	}
2204		2626
2205	#############################################################################	2627	while (my ($face, $info) = each %$faces) {
2206	# the server's main()	2628	next unless $info->{smooth};
		2629	my $idx = cf::face::find $face
		2630	or next;
		2631	if (my $smooth = cf::face::find $info->{smooth}) {
		2632	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2633	} else {
		2634	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2635	}
		2636	Coro::cede;
		2637	}
		2638	}
		2639
		2640	{
		2641	my $anims = $facedata->{animinfo};
		2642
		2643	while (my ($anim, $info) = each %$anims) {
		2644	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2645	Coro::cede;
		2646	}
		2647
		2648	cf::anim::invalidate_all; # d'oh
		2649	}
		2650
		2651	1
		2652	}
		2653
		2654	sub reload_regions {
		2655	load_resource_file "$MAPDIR/regions"
		2656	or die "unable to load regions file\n";
		2657	}
		2658
		2659	sub reload_facedata {
		2660	load_facedata "$DATADIR/facedata"
		2661	or die "unable to load facedata\n";
		2662	}
		2663
		2664	sub reload_archetypes {
		2665	load_resource_file "$DATADIR/archetypes"
		2666	or die "unable to load archetypes\n";
		2667	}
		2668
		2669	sub reload_treasures {
		2670	load_resource_file "$DATADIR/treasures"
		2671	or die "unable to load treasurelists\n";
		2672	}
		2673
		2674	sub reload_resources {
		2675	warn "reloading resource files...\n";
		2676
		2677	reload_regions;
		2678	reload_facedata;
		2679	#reload_archetypes;#d#
		2680	reload_archetypes;
		2681	reload_treasures;
		2682
		2683	warn "finished reloading resource files\n";
		2684	}
		2685
		2686	sub init {
		2687	reload_resources;
		2688	}
2207		2689
2208	sub cfg_load {	2690	sub cfg_load {
2209	open my $fh, "<:utf8", cf::confdir . "/config"	2691	open my $fh, "<:utf8", "$CONFDIR/config"
2210	or return;	2692	or return;
2211		2693
2212	local $/;	2694	local $/;
2213	*CFG = YAML::Syck::Load <$fh>;	2695	*CFG = YAML::Syck::Load <$fh>;
2214		2696
…		…
2229	sub main {	2711	sub main {
2230	# we must not ever block the main coroutine	2712	# we must not ever block the main coroutine
2231	local $Coro::idle = sub {	2713	local $Coro::idle = sub {
2232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2714	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2233	(async {	2715	(async {
2234	warn "BP1\n";#d#
2235	Event::one_event;	2716	Event::one_event;
2236	warn "BP2\n";#d#
2237	})->prio (Coro::PRIO_MAX);	2717	})->prio (Coro::PRIO_MAX);
2238	};	2718	};
2239		2719
2240	cfg_load;	2720	cfg_load;
2241	db_load;	2721	db_init;
2242	load_extensions;	2722	load_extensions;
		2723
		2724	$TICK_WATCHER->start;
2243	Event::loop;	2725	Event::loop;
2244	}	2726	}
2245		2727
2246	#############################################################################	2728	#############################################################################
2247	# initialisation and cleanup	2729	# initialisation and cleanup
2248		2730
2249	# install some emergency cleanup handlers	2731	# install some emergency cleanup handlers
2250	BEGIN {	2732	BEGIN {
2251	for my $signal (qw(INT HUP TERM)) {	2733	for my $signal (qw(INT HUP TERM)) {
2252	Event->signal (	2734	Event->signal (
		2735	reentrant => 0,
2253	data => WF_AUTOCANCEL,	2736	data => WF_AUTOCANCEL,
2254	signal => $signal,	2737	signal => $signal,
		2738	prio => 0,
2255	cb => sub {	2739	cb => sub {
2256	cf::cleanup "SIG$signal";	2740	cf::cleanup "SIG$signal";
2257	},	2741	},
2258	);	2742	);
2259	}	2743	}
		2744	}
		2745
		2746	sub write_runtime {
		2747	my $runtime = "$LOCALDIR/runtime";
		2748
		2749	# first touch the runtime file to show we are still running:
		2750	# the fsync below can take a very very long time.
		2751
		2752	IO::AIO::aio_utime $runtime, undef, undef;
		2753
		2754	my $guard = cf::lock_acquire "write_runtime";
		2755
		2756	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2757	or return;
		2758
		2759	my $value = $cf::RUNTIME + 90 + 10;
		2760	# 10 is the runtime save interval, for a monotonic clock
		2761	# 60 allows for the watchdog to kill the server.
		2762
		2763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2764	and return;
		2765
		2766	# always fsync - this file is important
		2767	aio_fsync $fh
		2768	and return;
		2769
		2770	# touch it again to show we are up-to-date
		2771	aio_utime $fh, undef, undef;
		2772
		2773	close $fh
		2774	or return;
		2775
		2776	aio_rename "$runtime~", $runtime
		2777	and return;
		2778
		2779	warn "runtime file written.\n";
		2780
		2781	1
2260	}	2782	}
2261		2783
2262	sub emergency_save() {	2784	sub emergency_save() {
2263	my $freeze_guard = cf::freeze_mainloop;	2785	my $freeze_guard = cf::freeze_mainloop;
2264		2786
…		…
2281	my $map = $cf::MAP{$path} or next;	2803	my $map = $cf::MAP{$path} or next;
2282	$map->valid or next;	2804	$map->valid or next;
2283	$map->save;	2805	$map->save;
2284	}	2806	}
2285	warn "end emergency map save\n";	2807	warn "end emergency map save\n";
		2808
		2809	warn "begin emergency database checkpoint\n";
		2810	BDB::db_env_txn_checkpoint $DB_ENV;
		2811	warn "end emergency database checkpoint\n";
2286	};	2812	};
2287		2813
2288	warn "leave emergency perl save\n";	2814	warn "leave emergency perl save\n";
2289	}	2815	}
2290		2816
		2817	sub post_cleanup {
		2818	my ($make_core) = @_;
		2819
		2820	warn Carp::longmess "post_cleanup backtrace"
		2821	if $make_core;
		2822	}
		2823
2291	sub reload() {	2824	sub do_reload_perl() {
2292	# can/must only be called in main	2825	# can/must only be called in main
2293	if ($Coro::current != $Coro::main) {	2826	if ($Coro::current != $Coro::main) {
2294	warn "can only reload from main coroutine\n";	2827	warn "can only reload from main coroutine";
2295	return;	2828	return;
2296	}	2829	}
2297		2830
2298	warn "reloading...";	2831	warn "reloading...";
2299		2832
2300	warn "freezing server";	2833	warn "entering sync_job";
2301	my $guard = freeze_mainloop;	2834
		2835	cf::sync_job {
		2836	cf::write_runtime; # external watchdog should not bark
2302	cf::emergency_save;	2837	cf::emergency_save;
		2838	cf::write_runtime; # external watchdog should not bark
2303		2839
2304	warn "sync database to disk";	2840	warn "syncing database to disk";
2305	cf::db_sync;	2841	BDB::db_env_txn_checkpoint $DB_ENV;
2306	IO::AIO::flush;
2307		2842
2308	eval {
2309	# if anything goes wrong in here, we should simply crash as we already saved	2843	# if anything goes wrong in here, we should simply crash as we already saved
2310		2844
2311	warn "cancel all watchers";	2845	warn "cancelling all WF_AUTOCANCEL watchers";
2312	for (Event::all_watchers) {	2846	for (Event::all_watchers) {
2313	$_->cancel if $_->data & WF_AUTOCANCEL;	2847	$_->cancel if $_->data & WF_AUTOCANCEL;
2314	}	2848	}
2315		2849
		2850	warn "flushing outstanding aio requests";
		2851	for (;;) {
		2852	BDB::flush;
		2853	IO::AIO::flush;
		2854	Coro::cede;
		2855	last unless IO::AIO::nreqs || BDB::nreqs;
		2856	warn "iterate...";
		2857	}
		2858
		2859	++$RELOAD;
		2860
2316	warn "cancel all extension coros";	2861	warn "cancelling all extension coros";
2317	$_->cancel for values %EXT_CORO;	2862	$_->cancel for values %EXT_CORO;
2318	%EXT_CORO = ();	2863	%EXT_CORO = ();
2319		2864
2320	warn "remove commands";	2865	warn "removing commands";
2321	%COMMAND = ();	2866	%COMMAND = ();
2322		2867
2323	warn "remove ext commands";	2868	warn "removing ext commands";
2324	%EXTCMD = ();	2869	%EXTCMD = ();
2325		2870
2326	warn "unload/nuke all extensions";	2871	warn "unloading/nuking all extensions";
2327	for my $pkg (@EXTS) {	2872	for my $pkg (@EXTS) {
2328	warn "... unloading $pkg";	2873	warn "... unloading $pkg";
2329		2874
2330	if (my $cb = $pkg->can ("unload")) {	2875	if (my $cb = $pkg->can ("unload")) {
2331	eval {	2876	eval {
…		…
2336		2881
2337	warn "... nuking $pkg";	2882	warn "... nuking $pkg";
2338	Symbol::delete_package $pkg;	2883	Symbol::delete_package $pkg;
2339	}	2884	}
2340		2885
2341	warn "unload all perl modules loaded from $LIBDIR";	2886	warn "unloading all perl modules loaded from $LIBDIR";
2342	while (my ($k, $v) = each %INC) {	2887	while (my ($k, $v) = each %INC) {
2343	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2888	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2344		2889
2345	warn "removing <$k>";	2890	warn "... unloading $k";
2346	delete $INC{$k};	2891	delete $INC{$k};
2347		2892
2348	$k =~ s/\.pm$//;	2893	$k =~ s/\.pm$//;
2349	$k =~ s/\//::/g;	2894	$k =~ s/\//::/g;
2350		2895
…		…
2353	}	2898	}
2354		2899
2355	Symbol::delete_package $k;	2900	Symbol::delete_package $k;
2356	}	2901	}
2357		2902
2358	warn "get rid of safe::, as good as possible";	2903	warn "getting rid of safe::, as good as possible";
2359	Symbol::delete_package "safe::$_"	2904	Symbol::delete_package "safe::$_"
2360	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2905	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2361		2906
2362	warn "unload cf.pm \"a bit\"";	2907	warn "unloading cf.pm \"a bit\"";
2363	delete $INC{"cf.pm"};	2908	delete $INC{"cf.pm"};
		2909	delete $INC{"cf/pod.pm"};
2364		2910
2365	# don't, removes xs symbols, too,	2911	# don't, removes xs symbols, too,
2366	# and global variables created in xs	2912	# and global variables created in xs
2367	#Symbol::delete_package __PACKAGE__;	2913	#Symbol::delete_package __PACKAGE__;
2368		2914
		2915	warn "unload completed, starting to reload now";
		2916
2369	warn "reloading cf.pm";	2917	warn "reloading cf.pm";
2370	require cf;	2918	require cf;
2371	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2372		2920
2373	warn "load config and database again";	2921	warn "loading config and database again";
2374	cf::cfg_load;	2922	cf::cfg_load;
2375	cf::db_load;
2376		2923
2377	warn "load extensions";	2924	warn "loading extensions";
2378	cf::load_extensions;	2925	cf::load_extensions;
2379		2926
2380	warn "reattach attachments to objects/players";	2927	warn "reattaching attachments to objects/players";
2381	_global_reattach;	2928	_global_reattach; # objects, sockets
2382	warn "reattach attachments to maps";	2929	warn "reattaching attachments to maps";
2383	reattach $_ for values %MAP;	2930	reattach $_ for values %MAP;
2384	};	2931	warn "reattaching attachments to players";
		2932	reattach $_ for values %PLAYER;
2385		2933
2386	if ($@) {	2934	warn "leaving sync_job";
		2935
		2936	1
		2937	} or do {
2387	warn $@;	2938	warn $@;
2388	warn "error while reloading, exiting.";	2939	warn "error while reloading, exiting.";
2389	exit 1;	2940	exit 1;
2390	}	2941	};
2391		2942
2392	warn "reloaded";	2943	warn "reloaded";
2393	};	2944	};
2394		2945
2395	our $RELOAD_WATCHER; # used only during reload	2946	our $RELOAD_WATCHER; # used only during reload
2396		2947
		2948	sub reload_perl() {
		2949	# doing reload synchronously and two reloads happen back-to-back,
		2950	# coro crashes during coro_state_free->destroy here.
		2951
		2952	$RELOAD_WATCHER ||= Event->timer (
		2953	reentrant => 0,
		2954	after => 0,
		2955	data => WF_AUTOCANCEL,
		2956	cb => sub {
		2957	do_reload_perl;
		2958	undef $RELOAD_WATCHER;
		2959	},
		2960	);
		2961	}
		2962
2397	register_command "reload" => sub {	2963	register_command "reload" => sub {
2398	my ($who, $arg) = @_;	2964	my ($who, $arg) = @_;
2399		2965
2400	if ($who->flag (FLAG_WIZ)) {	2966	if ($who->flag (FLAG_WIZ)) {
2401	$who->message ("reloading server.");	2967	$who->message ("reloading server.");
2402		2968	async { reload_perl };
2403	# doing reload synchronously and two reloads happen back-to-back,
2404	# coro crashes during coro_state_free->destroy here.
2405
2406	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2407	reload;
2408	undef $RELOAD_WATCHER;
2409	});
2410	}	2969	}
2411	};	2970	};
2412		2971
2413	unshift @INC, $LIBDIR;	2972	unshift @INC, $LIBDIR;
2414		2973
		2974	my $bug_warning = 0;
		2975
		2976	our @WAIT_FOR_TICK;
		2977	our @WAIT_FOR_TICK_BEGIN;
		2978
		2979	sub wait_for_tick {
		2980	return unless $TICK_WATCHER->is_active;
		2981	return if $Coro::current == $Coro::main;
		2982
		2983	my $signal = new Coro::Signal;
		2984	push @WAIT_FOR_TICK, $signal;
		2985	$signal->wait;
		2986	}
		2987
		2988	sub wait_for_tick_begin {
		2989	return unless $TICK_WATCHER->is_active;
		2990	return if $Coro::current == $Coro::main;
		2991
		2992	my $signal = new Coro::Signal;
		2993	push @WAIT_FOR_TICK_BEGIN, $signal;
		2994	$signal->wait;
		2995	}
		2996
		2997	my $min = 1e6;#d#
		2998	my $avg = 10;
2415	$TICK_WATCHER = Event->timer (	2999	$TICK_WATCHER = Event->timer (
2416	reentrant => 0,	3000	reentrant => 0,
		3001	parked => 1,
2417	prio => 0,	3002	prio => 0,
2418	at => $NEXT_TICK || $TICK,	3003	at => $NEXT_TICK || $TICK,
2419	data => WF_AUTOCANCEL,	3004	data => WF_AUTOCANCEL,
2420	cb => sub {	3005	cb => sub {
		3006	if ($Coro::current != $Coro::main) {
		3007	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3008	unless ++$bug_warning > 10;
		3009	return;
		3010	}
		3011
2421	$NOW = Event::time;	3012	$NOW = $tick_start = Event::time;
2422		3013
2423	cf::server_tick; # one server iteration	3014	cf::server_tick; # one server iteration
		3015
		3016	0 && sync_job {#d#
		3017	for(1..10) {
		3018	my $t = Event::time;
		3019	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3020	or die;
		3021
		3022	$map->width (50);
		3023	$map->height (50);
		3024	$map->alloc;
		3025	$map->_load_objects ("/tmp/x.map", 1);
		3026	my $t = Event::time - $t;
		3027
		3028	#next unless $t < 0.0013;#d#
		3029	if ($t < $min) {
		3030	$min = $t;
		3031	}
		3032	$avg = $avg * 0.99 + $t * 0.01;
		3033	}
		3034	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3035	exit 0;
		3036	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3037	};
		3038
2424	$RUNTIME += $TICK;	3039	$RUNTIME += $TICK;
2425	$NEXT_TICK += $TICK;	3040	$NEXT_TICK += $TICK;
2426		3041
2427	$WAIT_FOR_TICK->broadcast;	3042	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2428	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3043	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3044	Coro::async_pool {
		3045	write_runtime
		3046	or warn "ERROR: unable to write runtime file: $!";
		3047	};
		3048	}
		3049
		3050	# my $AFTER = Event::time;
		3051	# warn $AFTER - $NOW;#d#
		3052
		3053	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3054	$sig->send;
		3055	}
		3056	while (my $sig = shift @WAIT_FOR_TICK) {
		3057	$sig->send;
		3058	}
		3059
		3060	$NOW = Event::time;
2429		3061
2430	# if we are delayed by four ticks or more, skip them all	3062	# if we are delayed by four ticks or more, skip them all
2431	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3063	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2432		3064
2433	$TICK_WATCHER->at ($NEXT_TICK);	3065	$TICK_WATCHER->at ($NEXT_TICK);
2434	$TICK_WATCHER->start;	3066	$TICK_WATCHER->start;
		3067
		3068	$LOAD = ($NOW - $tick_start) / $TICK;
		3069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3070
		3071	_post_tick;
		3072
		3073
2435	},	3074	},
2436	);	3075	);
2437		3076
		3077	{
		3078	BDB::max_poll_time $TICK * 0.1;
		3079	$BDB_POLL_WATCHER = Event->io (
		3080	reentrant => 0,
		3081	fd => BDB::poll_fileno,
		3082	poll => 'r',
		3083	prio => 0,
		3084	data => WF_AUTOCANCEL,
		3085	cb => \&BDB::poll_cb,
		3086	);
		3087	BDB::min_parallel 8;
		3088
		3089	BDB::set_sync_prepare {
		3090	my $status;
		3091	my $current = $Coro::current;
		3092	(
		3093	sub {
		3094	$status = $!;
		3095	$current->ready; undef $current;
		3096	},
		3097	sub {
		3098	Coro::schedule while defined $current;
		3099	$! = $status;
		3100	},
		3101	)
		3102	};
		3103
		3104	unless ($DB_ENV) {
		3105	$DB_ENV = BDB::db_env_create;
		3106
		3107	cf::sync_job {
		3108	eval {
		3109	BDB::db_env_open
		3110	$DB_ENV,
		3111	$BDBDIR,
		3112	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3113	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3114	0666;
		3115
		3116	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3117
		3118	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3119	$DB_ENV->set_lk_detect;
		3120	};
		3121
		3122	cf::cleanup "db_env_open(db): $@" if $@;
		3123	};
		3124	}
		3125	}
		3126
		3127	{
		3128	IO::AIO::min_parallel 8;
		3129
		3130	undef $Coro::AIO::WATCHER;
2438	IO::AIO::max_poll_time $TICK * 0.2;	3131	IO::AIO::max_poll_time $TICK * 0.1;
2439
2440	$AIO_POLL_WATCHER = Event->io (	3132	$AIO_POLL_WATCHER = Event->io (
2441	fd => IO::AIO::poll_fileno,	3133	reentrant => 0,
2442	poll => 'r',
2443	prio => 5,
2444	data => WF_AUTOCANCEL,
2445	cb => \&IO::AIO::poll_cb,
2446	);
2447
2448	$WRITE_RUNTIME_WATCHER = Event->timer (
2449	data => WF_AUTOCANCEL,	3134	data => WF_AUTOCANCEL,
2450	after => 0,	3135	fd => IO::AIO::poll_fileno,
2451	interval => 10,	3136	poll => 'r',
2452	cb => sub {	3137	prio => 6,
2453	(Coro::unblock_sub {	3138	cb => \&IO::AIO::poll_cb,
2454	write_runtime	3139	);
2455	or warn "ERROR: unable to write runtime file: $!";	3140	}
		3141
		3142	my $_log_backtrace;
		3143
		3144	sub _log_backtrace {
		3145	my ($msg, @addr) = @_;
		3146
		3147	$msg =~ s/\n//;
		3148
		3149	# limit the # of concurrent backtraces
		3150	if ($_log_backtrace < 2) {
		3151	++$_log_backtrace;
		3152	async {
		3153	my @bt = fork_call {
		3154	@addr = map { sprintf "%x", $_ } @addr;
		3155	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3156	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3157	or die "addr2line: $!";
		3158
		3159	my @funcs;
		3160	my @res = <$fh>;
		3161	chomp for @res;
		3162	while (@res) {
		3163	my ($func, $line) = splice @res, 0, 2, ();
		3164	push @funcs, "[$func] $line";
		3165	}
		3166
		3167	@funcs
		3168	};
		3169
		3170	LOG llevInfo, "[ABT] $msg\n";
		3171	LOG llevInfo, "[ABT] $_\n" for @bt;
		3172	--$_log_backtrace;
2456	})->();	3173	};
		3174	} else {
		3175	LOG llevInfo, "[ABT] $msg\n";
		3176	LOG llevInfo, "[ABT] [suppressed]\n";
2457	},	3177	}
2458	);	3178	}
		3179
		3180	# load additional modules
		3181	use cf::pod;
2459		3182
2460	END { cf::emergency_save }	3183	END { cf::emergency_save }
2461		3184
2462	1	3185	1
2463		3186

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