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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.284 by root, Sun Jun 24 04:15:42 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	76	our $NEXT_TICK;
50	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
51		82
52	our %CFG;	83	our %CFG;
53		84
54	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	86	our $RUNTIME;
56		87
57	our %PLAYER; # all users	88	our %PLAYER; # all users
58	our %MAP; # all maps	89	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		91
65	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
		98
68	binmode STDOUT;	99	binmode STDOUT;
69	binmode STDERR;	100	binmode STDERR;
70		101
71	# read virtual server time, if available	102	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
76	}	107	}
77		108
78	mkdir cf::localdir;	109	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		111
84	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
85		115
86	#############################################################################	116	#############################################################################
87		117
88	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
89		119
…		…
96	=item $cf::RUNTIME	126	=item $cf::RUNTIME
97		127
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	129	every server tick.
100		130
101	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		134
103	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
105		139
106	=item $cf::NOW	140	=item $cf::NOW
107		141
108	The time of the last (current) server tick.	142	The time of the last (current) server tick.
109		143
110	=item $cf::TICK	144	=item $cf::TICK
111		145
112	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
113		157
114	=item %cf::CFG	158	=item %cf::CFG
115		159
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	161	from wherever your confdir points to.
118		162
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		164
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.
125		168
126	=back	169	=back
127		170
128	=cut	171	=cut
129		172
130	BEGIN {	173	BEGIN {
131	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	175	my $msg = join "", @_;
133	utf8::encode $msg;
134		176
135	$msg .= "\n"	177	$msg .= "\n"
136	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
137		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
138	LOG llevError, $msg;	183	LOG llevError, $msg;
139	};	184	};
140	}	185	}
141		186
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		194
149	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	196	# within the Safe compartment.
151	for my $pkg (qw(	197	for my $pkg (qw(
152	cf::global cf::attachable	198	cf::global cf::attachable
…		…
160	}	206	}
161		207
162	$Event::DIED = sub {	208	$Event::DIED = sub {
163	warn "error in event callback: @_";	209	warn "error in event callback: @_";
164	};	210	};
		211
		212	#############################################################################
165		213
166	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
167		215
168	=over 4	216	=over 4
169		217
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	237	$d
190	} || "[unable to dump $_[0]: '$@']";	238	} || "[unable to dump $_[0]: '$@']";
191	}	239	}
192		240
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194		242
195	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
196		244
197	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
198		246
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
207		248
208	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		250
217	=item cf::lock_wait $string	251	=item cf::lock_wait $string
218		252
219	Wait until the given lock is available. See cf::lock_acquire.	253	Wait until the given lock is available. See cf::lock_acquire.
220		254
…		…
226	returned.	260	returned.
227		261
228	Lock names should begin with a unique identifier (for example, cf::map::find	262	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	263	uses map_find and cf::map::load uses map_load).
230		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
		268
231	=cut	269	=cut
232		270
233	our %LOCK;	271	our %LOCK;
234		272
235	sub lock_wait($) {	273	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	292	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	293	$_->ready for @{ delete $LOCK{$key} };
256	}	294	}
257	}	295	}
258		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
		301	}
		302
259	sub freeze_mainloop {	303	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	304	return unless $TICK_WATCHER->is_active;
261		305
262	my $guard = Coro::guard { $TICK_WATCHER->start };	306	my $guard = Coro::guard {
		307	$TICK_WATCHER->start;
		308	};
263	$TICK_WATCHER->stop;	309	$TICK_WATCHER->stop;
264	$guard	310	$guard
265	}	311	}
266		312
267	=item cf::async { BLOCK }	313	=item cf::async { BLOCK }
…		…
274		320
275	BEGIN { *async = \&Coro::async_pool }	321	BEGIN { *async = \&Coro::async_pool }
276		322
277	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
278		324
279	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
282		329
283	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
286	fast or be very important.	333	fast or be very important.
…		…
289		336
290	sub sync_job(&) {	337	sub sync_job(&) {
291	my ($job) = @_;	338	my ($job) = @_;
292		339
293	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
294	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
296		345
297	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	347	# (but this is cancel-safe)
…		…
309		358
310	while ($busy) {	359	while ($busy) {
311	Coro::cede or Event::one_event;	360	Coro::cede or Event::one_event;
312	}	361	}
313		362
		363	$time = Event::time - $time;
		364
		365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		367
		368	$tick_start += $time; # do not account sync jobs to server load
		369
314	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
315	} else {	371	} else {
316	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
317		373
318	$job->()	374	$job->()
…		…
337	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
338		394
339	$coro	395	$coro
340	}	396	}
341		397
342	sub write_runtime {	398	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		399
345	my $runtime = cf::localdir . "/runtime";	400	Executes the given code block with the given arguments in a seperate
		401	process, returning the results. Everything must be serialisable with
		402	Coro::Storable. May, of course, block. Note that the executed sub may
		403	never block itself or use any form of Event handling.
346		404
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	=cut
348	or return;
349		406
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	407	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	408	my ($cb, @args) = @_;
352	and return;
353		409
354	aio_fsync $fh	410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
355	and return;	411	# or die "socketpair: $!";
		412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
356		414
		415	if (my $pid = fork) {
357	close $fh	416	close $fh2;
358	or return;
359		417
360	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
361	and return;	419	$res = Coro::Storable::thaw $res;
362		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
363	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		473	my $key = "$_[0]/$_[1]";
		474
		475	cf::sync_job {
		476	BDB::db_get $DB, undef, $key, my $data;
		477
		478	$! ? ()
		479	: $data
		480	}
		481	}
		482
		483	sub db_put($$$) {
		484	BDB::dbreq_pri 4;
		485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		486	}
		487
		488	=item cf::cache $id => [$paths...], $processversion => $process
		489
		490	Generic caching function that returns the value of the resource $id,
		491	caching and regenerating as required.
		492
		493	This function can block.
		494
		495	=cut
		496
		497	sub cache {
		498	my ($id, $src, $processversion, $process) = @_;
		499
		500	my $meta =
		501	join "\x00",
		502	$processversion,
		503	map {
		504	aio_stat $_
		505	and Carp::croak "$_: $!";
		506
		507	($_, (stat _)[7,9])
		508	} @$src;
		509
		510	my $dbmeta = db_get cache => "$id/meta";
		511	if ($dbmeta ne $meta) {
		512	# changed, we may need to process
		513
		514	my @data;
		515	my $md5;
		516
		517	for (0 .. $#$src) {
		518	0 <= aio_load $src->[$_], $data[$_]
		519	or Carp::croak "$src->[$_]: $!";
		520	}
		521
		522	# if processing is expensive, check
		523	# checksum first
		524	if (1) {
		525	$md5 =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	Coro::cede;
		530	($src->[$_], Digest::MD5::md5_hex $data[$_])
		531	} 0.. $#$src;
		532
		533
		534	my $dbmd5 = db_get cache => "$id/md5";
		535	if ($dbmd5 eq $md5) {
		536	db_put cache => "$id/meta", $meta;
		537
		538	return db_get cache => "$id/data";
		539	}
		540	}
		541
		542	my $t1 = Time::HiRes::time;
		543	my $data = $process->(\@data);
		544	my $t2 = Time::HiRes::time;
		545
		546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		547
		548	db_put cache => "$id/data", $data;
		549	db_put cache => "$id/md5" , $md5;
		550	db_put cache => "$id/meta", $meta;
		551
		552	return $data;
		553	}
		554
		555	db_get cache => "$id/data"
		556	}
		557
		558	=item cf::datalog type => key => value, ...
		559
		560	Log a datalog packet of the given type with the given key-value pairs.
		561
		562	=cut
		563
		564	sub datalog($@) {
		565	my ($type, %kv) = @_;
		566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	567	}
365		568
366	=back	569	=back
367		570
368	=cut	571	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	578	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
377		580
378	In the following description, CLASS can be any of C<global>, C<object>	581	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	582	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	583	Crossfire TRT).
381		584
382	=over 4	585	=over 4
383		586
384	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
385		588
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	702	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	703	our @CB_MAP = ();
501		704
502	my %attachment;	705	my %attachment;
503		706
		707	sub cf::attachable::thawer_merge {
		708	# simply override everything except _meta
		709	local $_[0]{_meta};
		710	%{$_[0]} = %{$_[1]};
		711	}
		712
504	sub _attach_cb($$$$) {	713	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	714	my ($registry, $event, $prio, $cb) = @_;
506		715
507	use sort 'stable';	716	use sort 'stable';
508		717
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
543		752
544	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		757
549	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	759	my $pkg = shift @arg;
551		760
552	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
582	}	791	}
583		792
584	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
585	} else {	794	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	796	}
588		797
589	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
590	}	799	}
591		800
…		…
593	if (ref $_[0]) {	802	if (ref $_[0]) {
594	_object_attach @_;	803	_object_attach @_;
595	} else {	804	} else {
596	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
597	}	806	}
		807	_recalc_want;
598	};	808	};
599		809
600	# all those should be optimised	810	# all those should be optimised
601	sub cf::attachable::detach {	811	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
606	reattach ($obj);	816	reattach ($obj);
607	} else {	817	} else {
608	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
609	}	819	}
		820	_recalc_want;
610	};	821	};
611		822
612	sub cf::attachable::attached {	823	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
614		825
…		…
679	# object support	890	# object support
680		891
681	sub reattach {	892	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	893	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	894	my ($obj) = @_;
		895
		896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		897
685	my $registry = $obj->registry;	898	my $registry = $obj->registry;
686		899
687	@$registry = ();	900	@$registry = ();
688		901
…		…
735	$filename, length $$rdata, scalar @$objs;	948	$filename, length $$rdata, scalar @$objs;
736		949
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	951	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	953	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	954	close $fh;
742		955
743	if (@$objs) {	956	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	959	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	960	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	962	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	963	aio_rename "$filename.pst~", "$filename.pst";
751	}	964	}
752	} else {	965	} else {
753	aio_unlink "$filename.pst";	966	aio_unlink "$filename.pst";
…		…
785	or return;	998	or return;
786	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1000	}
788		1001
789	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
791	return ($data, $av);	1004	return ($data, $av);
792	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
793		1012
794	#############################################################################	1013	#############################################################################
795	# command handling &c	1014	# command handling &c
796		1015
797	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1030	}
812		1031
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1033
815	Register a callbackf ro execution when the client sends an extcmd packet.	1034	Register a callback fro execution when the client sends an extcmd packet.
816		1035
817	If the callback returns something, it is sent back as if reply was being	1036	If the callback returns something, it is sent back as if reply was being
818	called.	1037	called.
819		1038
820	=cut	1039	=cut
…		…
855		1074
856	cf::override;	1075	cf::override;
857	},	1076	},
858	);	1077	);
859		1078
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
895	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1084	next unless -r $path;
897	eval {	1085
898	load_extension $ext;	1086	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1087	my $base = $1;
		1088	my $pkg = $1;
		1089	$pkg =~ s/[^[:word:]]/_/g;
		1090	$pkg = "ext::$pkg";
		1091
		1092	open my $fh, "<:utf8", $path
		1093	or die "$path: $!";
		1094
		1095	my $source = do { local $/; <$fh> };
		1096
		1097	my %ext = (
		1098	path => $path,
		1099	base => $base,
		1100	pkg => $pkg,
		1101	);
		1102
		1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1105
		1106	$ext{source} =
		1107	"package $pkg; use strict; use utf8;\n"
		1108	. "#line 1 \"$path\"\n{\n"
		1109	. $source
		1110	. "\n};\n1";
		1111
		1112	$todo{$base} = \%ext;
		1113	}
		1114
		1115	my %done;
		1116	while (%todo) {
		1117	my $progress;
		1118
		1119	while (my ($k, $v) = each %todo) {
		1120	for (split /,\s*/, $v->{meta}{depends}) {
		1121	goto skip
		1122	unless exists $done{$_};
		1123	}
		1124
		1125	warn "... loading '$k' into '$v->{pkg}'\n";
		1126
		1127	unless (eval $v->{source}) {
		1128	my $msg = $@ ? "$v->{path}: $@\n"
		1129	: "$v->{base}: extension inactive.\n";
		1130
		1131	if (exists $v->{meta}{mandatory}) {
		1132	warn $msg;
		1133	warn "mandatory extension failed to load, exiting.\n";
		1134	exit 1;
		1135	}
		1136
		1137	warn $msg;
		1138	}
		1139
		1140	$done{$k} = delete $todo{$k};
		1141	push @EXTS, $v->{pkg};
		1142	$progress = 1;
899	1	1143	}
900	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
901	}	1149	};
902	}	1150	}
903		1151
904	#############################################################################	1152	#############################################################################
905		1153
		1154	=back
		1155
906	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
907		1157
908	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
909		1159
910	=cut	1160	=cut
…		…
922	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
923		1173
924	=cut	1174	=cut
925		1175
926	sub playerdir($) {	1176	sub playerdir($) {
927	cf::localdir	1177	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1179	}
933		1180
934	sub path($) {	1181	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1183
937	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
938	}	1185	}
939		1186
940	sub find_active($) {	1187	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
945		1192
946	sub exists($) {	1193	sub exists($) {
947	my ($login) = @_;	1194	my ($login) = @_;
948		1195
949	$cf::PLAYER{$login}	1196	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1197	or cf::sync_job { !aio_stat path $login }
951	}	1198	}
952		1199
953	sub find($) {	1200	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1201	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1202	my $login = $_[0];
956		1203
957	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
958		1205
959	$cf::PLAYER{$_[0]} || do {	1206	$cf::PLAYER{$_[0]} || do {
		1207	# rename old playerfiles to new ones
		1208	#TODO: remove when no longer required
		1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1212	aio_unlink +(playerdir $login) . "/$login.pl";
		1213
960	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
961	or return;	1215	or return;
962	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
963	}	1217	}
964	}	1218	}
…		…
1001		1255
1002	=cut	1256	=cut
1003		1257
1004	sub quit_character {	1258	sub quit_character {
1005	my ($pl) = @_;	1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
1006		1262
1007	$pl->{deny_save} = 1;	1263	$pl->{deny_save} = 1;
1008	$pl->password ("*"); # this should lock out the player until we nuked the dir	1264	$pl->password ("*"); # this should lock out the player until we nuked the dir
1009		1265
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1271	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1272	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1273	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1274	delete $cf::PLAYER{$pl->ob->name};
1019	$pl->destroy;	1275	$pl->destroy;
		1276
		1277	my $prefix = qr<^~\Q$name\E/>;
		1278
		1279	# nuke player maps
		1280	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1281
1020	IO::AIO::aio_rmtree $temp;	1282	IO::AIO::aio_rmtree $temp;
		1283	}
		1284
		1285	=item $pl->kick
		1286
		1287	Kicks a player out of the game. This destroys the connection.
		1288
		1289	=cut
		1290
		1291	sub kick {
		1292	my ($pl, $kicker) = @_;
		1293
		1294	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1295	$pl->killer ("kicked");
		1296	$pl->ns->destroy;
1021	}	1297	}
1022		1298
1023	=item cf::player::list_logins	1299	=item cf::player::list_logins
1024		1300
1025	Returns am arrayref of all valid playernames in the system, can take a	1301	Returns am arrayref of all valid playernames in the system, can take a
1026	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1027		1303
1028	=cut	1304	=cut
1029		1305
1030	sub list_logins {	1306	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1308	or return [];
1033		1309
1034	my @logins;	1310	my @logins;
1035		1311
1036	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
…		…
1053	=cut	1329	=cut
1054		1330
1055	sub maps($) {	1331	sub maps($) {
1056	my ($pl) = @_;	1332	my ($pl) = @_;
1057		1333
		1334	$pl = ref $pl ? $pl->ob->name : $pl;
		1335
1058	my $files = aio_readdir playerdir $pl	1336	my $files = aio_readdir playerdir $pl
1059	or return;	1337	or return;
1060		1338
1061	my @paths;	1339	my @paths;
1062		1340
1063	for (@$files) {	1341	for (@$files) {
1064	utf8::decode $_;	1342	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1343	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1344	next unless /^$PATH_SEP/o;
1067		1345
1068	s/\.map$//;	1346	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1347	}
1071		1348
1072	\@paths	1349	\@paths
1073	}	1350	}
1074		1351
		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
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1385	=item $player->ext_reply ($msgid, %msg)
1076		1386
1077	Sends an ext reply to the player.	1387	Sends an ext reply to the player.
1078		1388
1079	=cut	1389	=cut
1080		1390
1081	sub ext_reply($$$%) {	1391	sub ext_reply($$%) {
1082	my ($self, $id, %msg) = @_;	1392	my ($self, $id, %msg) = @_;
1083		1393
1084	$msg{msgid} = $id;	1394	$msg{msgid} = $id;
1085		1395
1086	$self->send ("ext " . cf::to_json \%msg);	1396	$self->send ("ext " . cf::to_json \%msg);
1087	}	1397	}
1088		1398
1089	package cf;	1399	=item $player->ext_event ($type, %msg)
		1400
		1401	Sends an ext event to the client.
		1402
		1403	=cut
		1404
		1405	sub ext_event($$%) {
		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	}
1090		1439
1091	=back	1440	=back
1092
1093		1441
1094	=head3 cf::map	1442	=head3 cf::map
1095		1443
1096	=over 4	1444	=over 4
1097		1445
…		…
1101		1449
1102	use Fcntl;	1450	use Fcntl;
1103	use Coro::AIO;	1451	use Coro::AIO;
1104		1452
1105	use overload	1453	use overload
1106	'""' => \&as_string;	1454	'""' => \&as_string,
		1455	fallback => 1;
1107		1456
1108	our $MAX_RESET = 3600;	1457	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1458	our $DEFAULT_RESET = 3000;
1110		1459
1111	sub generate_random_map {	1460	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1461	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1462	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1463	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1473	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1474	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1475	)
1128	}	1476	}
1129		1477
		1478	=item cf::map->register ($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
1130	sub register {	1486	sub register {
1131	my (undef, $regex) = @_;	1487	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1488	my $pkg = caller;
1133		1489
1134	no strict;	1490	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1491	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1492
1137	$EXT_MAP{$pkg} = qr<$regex>;	1493	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1494	}
1139		1495
1140	# also paths starting with '/'	1496	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1497	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1498
		1499	sub thawer_merge {
		1500	my ($self, $merge) = @_;
		1501
		1502	# we have to keep some variables in memory intact
		1503	local $self->{path};
		1504	local $self->{load_path};
		1505
		1506	$self->SUPER::thawer_merge ($merge);
		1507	}
1142		1508
1143	sub normalise {	1509	sub normalise {
1144	my ($path, $base) = @_;	1510	my ($path, $base) = @_;
		1511
		1512	$path = "$path"; # make sure its a string
		1513
		1514	$path =~ s/\.map$//;
1145		1515
1146	# map plan:	1516	# map plan:
1147	#	1517	#
1148	# /! non-realised random map exit (special hack!)	1518	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1519	# {... are special paths that are not being touched
…		…
1177		1547
1178	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
1179		1549
1180	$path = normalise $path, $base;	1550	$path = normalise $path, $base;
1181		1551
1182	for my $pkg (keys %EXT_MAP) {	1552	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1553	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1554	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1555	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1556	$self->init; # pass $1 etc.
1187	return $self;	1557	return $self;
1188	}	1558	}
1189	}	1559	}
1190		1560
1191	Carp::carp "unable to resolve path '$path'.";	1561	Carp::carp "unable to resolve path '$path' (base '$base').";
1192	()	1562	()
1193	}	1563	}
1194		1564
1195	sub init {	1565	sub init {
1196	my ($self) = @_;	1566	my ($self) = @_;
…		…
1211		1581
1212	# the original (read-only) location	1582	# the original (read-only) location
1213	sub load_path {	1583	sub load_path {
1214	my ($self) = @_;	1584	my ($self) = @_;
1215		1585
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1586	"$MAPDIR/$self->{path}.map"
1217	}	1587	}
1218		1588
1219	# the temporary/swap location	1589	# the temporary/swap location
1220	sub save_path {	1590	sub save_path {
1221	my ($self) = @_;	1591	my ($self) = @_;
1222		1592
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1594	"$TMPDIR/$path.map"
1225	}	1595	}
1226		1596
1227	# the unique path, undef == no special unique path	1597	# the unique path, undef == no special unique path
1228	sub uniq_path {	1598	sub uniq_path {
1229	my ($self) = @_;	1599	my ($self) = @_;
1230		1600
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1602	"$UNIQUEDIR/$path"
1233	}	1603	}
1234		1604
1235	# and all this just because we cannot iterate over	1605	# and all this just because we cannot iterate over
1236	# all maps in C++...	1606	# all maps in C++...
1237	sub change_all_map_light {	1607	sub change_all_map_light {
…		…
1239		1609
1240	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1611	for grep $_->outdoor, values %cf::MAP;
1242	}	1612	}
1243		1613
		1614	sub decay_objects {
		1615	my ($self) = @_;
		1616
		1617	return if $self->{deny_reset};
		1618
		1619	$self->do_decay_objects;
		1620	}
		1621
1244	sub unlink_save {	1622	sub unlink_save {
1245	my ($self) = @_;	1623	my ($self) = @_;
1246		1624
1247	utf8::encode (my $save = $self->save_path);	1625	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1626	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1627	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1628	}
1251		1629
1252	sub load_header_from($) {	1630	sub load_header_from($) {
1253	my ($self, $path) = @_;	1631	my ($self, $path) = @_;
1254		1632
1255	utf8::encode $path;	1633	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1634	#aio_open $path, O_RDONLY, 0
1257	or return;	1635	# or return;
1258		1636
1259	$self->_load_header ($path)	1637	$self->_load_header ($path)
1260	or return;	1638	or return;
1261		1639
1262	$self->{load_path} = $path;	1640	$self->{load_path} = $path;
1263		1641
1264	1	1642	1
1265	}	1643	}
1266		1644
1267	sub load_orig {	1645	sub load_header_orig {
1268	my ($self) = @_;	1646	my ($self) = @_;
1269		1647
1270	$self->load_header_from ($self->load_path)	1648	$self->load_header_from ($self->load_path)
1271	}	1649	}
1272		1650
1273	sub load_temp {	1651	sub load_header_temp {
1274	my ($self) = @_;	1652	my ($self) = @_;
1275		1653
1276	$self->load_header_from ($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	$self->instantiate;
1277	}	1674	}
1278		1675
1279	sub load_header {	1676	sub load_header {
1280	my ($self) = @_;	1677	my ($self) = @_;
1281		1678
1282	if ($self->load_temp) {	1679	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1680	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1681	} else {
1289	$self->load_orig	1682	$self->load_header_orig
1290	or return;	1683	or return;
1291		1684	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	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;
1297		1692
1298	1	1693	1
1299	}	1694	}
1300		1695
1301	sub find;	1696	sub find;
…		…
1314	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1315		1710
1316	$map->load_header	1711	$map->load_header
1317	or return;	1712	or return;
1318		1713
1319	if ($map->should_reset) {	1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1715	# doing this can freeze the server in a sync job, obviously
		1716	#$cf::WAIT_FOR_TICK->wait;
1320	$map->reset;	1717	$map->reset;
1321	undef $guard;	1718	undef $guard;
1322	$map = find $path	1719	return find $path;
1323	or return;
1324	}	1720	}
1325		1721
1326	$cf::MAP{$path} = $map	1722	$cf::MAP{$path} = $map
1327	}	1723	}
1328	}	1724	}
		1725
		1726	sub pre_load { }
		1727	sub post_load { }
1329		1728
1330	sub load {	1729	sub load {
1331	my ($self) = @_;	1730	my ($self) = @_;
1332		1731
		1732	local $self->{deny_reset} = 1; # loading can take a long time
		1733
1333	my $path = $self->{path};	1734	my $path = $self->{path};
		1735
		1736	{
1334	my $guard = cf::lock_acquire "map_load:$path";	1737	my $guard = cf::lock_acquire "map_load:$path";
1335		1738
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1739	return if $self->in_memory != cf::MAP_SWAPPED;
1337		1740
1338	$self->in_memory (cf::MAP_LOADING);	1741	$self->in_memory (cf::MAP_LOADING);
1339		1742
1340	$self->alloc;	1743	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)
1342	or return;
1343		1744
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1745	$self->pre_load;
1345	if delete $self->{load_original};
1346
1347	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {
1350	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);
1352	}
1353	}
1354
1355	Coro::cede;
1356
1357	# now do the right thing for maps
1358	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;	1746	Coro::cede;
1365	$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;
1366	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1766	unless $self->difficulty;
1368	Coro::cede;	1767	Coro::cede;
		1768
		1769	unless ($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;
1369	$self->activate;	1776	$self->activate;
1370	}	1777	}
1371		1778
1372	$self->in_memory (cf::MAP_IN_MEMORY);	1779	$self->in_memory (cf::MAP_IN_MEMORY);
		1780	}
		1781
		1782	$self->post_load;
1373	}	1783	}
1374		1784
1375	sub customise_for {	1785	sub customise_for {
1376	my ($self, $ob) = @_;	1786	my ($self, $ob) = @_;
1377		1787
1378	return find "~" . $ob->name . "/" . $self->{path}	1788	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	1789	if $self->per_player;
		1790
		1791	# return find "?party/" . $ob->name . "/" . $self->{path}
		1792	# if $self->per_party;
1380		1793
1381	$self	1794	$self
1382	}	1795	}
1383		1796
1384	# 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
…		…
1416		1829
1417	cf::sync_job { $map->load };	1830	cf::sync_job { $map->load };
1418	}	1831	}
1419		1832
1420	our %MAP_PREFETCH;	1833	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	1834	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		1835
1434	sub find_async {	1836	sub find_async {
1435	my ($path, $origin) = @_;	1837	my ($path, $origin) = @_;
1436		1838
1437	$path = normalise $path, $origin && $origin->{path};	1839	$path = normalise $path, $origin && $origin->{path};
1438		1840
1439	if (my $map = $cf::MAP{$path}) {	1841	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1441	}	1843	}
1442		1844
1443	$MAP_PREFETCH{$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	};
1444	$MAP_PREFETCHER->ready;	1858	$MAP_PREFETCHER->prio (6);
1445		1859
1446	()	1860	()
1447	}	1861	}
1448		1862
1449	sub save {	1863	sub save {
…		…
1494		1908
1495	sub reset_at {	1909	sub reset_at {
1496	my ($self) = @_;	1910	my ($self) = @_;
1497		1911
1498	# TODO: safety, remove and allow resettable per-player maps	1912	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	1913	return 1e99 if $self->{deny_reset};
1501		1914
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		1917
…		…
1509	my ($self) = @_;	1922	my ($self) = @_;
1510		1923
1511	$self->reset_at <= $cf::RUNTIME	1924	$self->reset_at <= $cf::RUNTIME
1512	}	1925	}
1513		1926
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	1927	sub reset {
1529	my ($self) = @_;	1928	my ($self) = @_;
1530		1929
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		1931
1533	return if $self->players;	1932	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		1933
1536	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	}
1537		1945
1538	delete $cf::MAP{$self->path};	1946	delete $cf::MAP{$self->path};
1539		1947
1540	$self->in_memory (cf::MAP_SWAPPED);
1541	$self->clear;	1948	$self->clear;
1542		1949
1543	$_->clear_links_to ($self) for values %cf::MAP;	1950	$_->clear_links_to ($self) for values %cf::MAP;
1544		1951
1545	$self->unlink_save;	1952	$self->unlink_save;
…		…
1549	my $nuke_counter = "aaaa";	1956	my $nuke_counter = "aaaa";
1550		1957
1551	sub nuke {	1958	sub nuke {
1552	my ($self) = @_;	1959	my ($self) = @_;
1553		1960
		1961	delete $cf::MAP{$self->path};
		1962
		1963	$self->unlink_save;
		1964
		1965	bless $self, "cf::map";
		1966	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	1967	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	1968	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1970
		1971	$cf::MAP{$self->path} = $self;
		1972
1557	$self->reset; # polite request, might not happen	1973	$self->reset; # polite request, might not happen
		1974	}
		1975
		1976	=item $maps = cf::map::tmp_maps
		1977
		1978	Returns an arrayref with all map paths of currently instantiated and saved
		1979	maps. May block.
		1980
		1981	=cut
		1982
		1983	sub tmp_maps() {
		1984	[
		1985	map {
		1986	utf8::decode $_;
		1987	/\.map$/
		1988	? normalise $_
		1989	: ()
		1990	} @{ aio_readdir $TMPDIR or [] }
		1991	]
		1992	}
		1993
		1994	=item $maps = cf::map::random_maps
		1995
		1996	Returns an arrayref with all map paths of currently instantiated and saved
		1997	random maps. May block.
		1998
		1999	=cut
		2000
		2001	sub random_maps() {
		2002	[
		2003	map {
		2004	utf8::decode $_;
		2005	/\.map$/
		2006	? normalise "?random/$_"
		2007	: ()
		2008	} @{ aio_readdir $RANDOMDIR or [] }
		2009	]
1558	}	2010	}
1559		2011
1560	=item cf::map::unique_maps	2012	=item cf::map::unique_maps
1561		2013
1562	Returns an arrayref of paths of all shared maps that have	2014	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2015	instantiated unique items. May block.
1564		2016
1565	=cut	2017	=cut
1566		2018
1567	sub unique_maps() {	2019	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2020	[
1569	or return;	2021	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2022	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	2023	/\.map$/
1579	push @paths, $_;	2024	? normalise $_
		2025	: ()
		2026	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2027	]
1581
1582	\@paths
1583	}	2028	}
1584		2029
1585	package cf;	2030	package cf;
1586		2031
1587	=back	2032	=back
…		…
1633		2078
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2080
1636	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1638	} 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 {
1639	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1641	}	2100	}
1642	}	2101	}
1643		2102
1644	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1645		2104
…		…
1678	=cut	2137	=cut
1679		2138
1680	sub link_map {	2139	sub link_map {
1681	unless ($LINK_MAP) {	2140	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2141	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2142	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2143	$LINK_MAP->load;
1685	}	2144	}
1686		2145
1687	$LINK_MAP	2146	$LINK_MAP
1688	}	2147	}
…		…
1693	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
1694		2153
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2155
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2157	if $self->map && $self->map->{path} ne "{link}";
1699		2158
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2160	}
1702		2161
1703	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1705		2166
1706	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1707		2168
1708	unless ($map) {	2169	unless ($map) {
1709	# restore original map position	2170	# restore original map position
…		…
1727	$map->load;	2188	$map->load;
1728	$map->load_diag;	2189	$map->load_diag;
1729		2190
1730	return unless $self->contr->active;	2191	return unless $self->contr->active;
1731	$self->activate_recursive;	2192	$self->activate_recursive;
		2193
		2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1733	}	2196	}
1734		2197
1735	cf::player->attach (
1736	on_logout => sub {
1737	my ($pl) = @_;
1738
1739	# abort map switching before logout
1740	if ($pl->ob->{_link_pos}) {
1741	cf::sync_job {
1742	$pl->ob->leave_link
1743	};
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1768		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
1769	=cut	2205	=cut
		2206
		2207	our $GOTOGEN;
1770		2208
1771	sub cf::object::player::goto {	2209	sub cf::object::player::goto {
1772	my ($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;
1773		2214
1774	$self->enter_link;	2215	$self->enter_link;
1775		2216
1776	(async {	2217	(async {
		2218	my $map = eval {
1777	my $map = cf::map::find $path;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2222	$map = $map->customise_for ($self);
1779		2223	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2224	} else {
1781	# if $map;
1782
1783	$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	}
1784		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};
1785	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1786	})->prio (1);	2240	})->prio (1);
1787	}	2241	}
1788		2242
1789	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1790		2244
…		…
1792		2246
1793	sub parse_random_map_params {	2247	sub parse_random_map_params {
1794	my ($spec) = @_;	2248	my ($spec) = @_;
1795		2249
1796	my $rmp = { # defaults	2250	my $rmp = { # defaults
1797	xsize => 10,	2251	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2252	ysize => (cf::rndm 15, 40),
		2253	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2254	#layout => string,
1799	};	2255	};
1800		2256
1801	for (split /\n/, $spec) {	2257	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2258	my ($k, $v) = split /\s+/, $_, 2;
1803		2259
…		…
1807	$rmp	2263	$rmp
1808	}	2264	}
1809		2265
1810	sub prepare_random_map {	2266	sub prepare_random_map {
1811	my ($exit) = @_;	2267	my ($exit) = @_;
		2268
		2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2270
1813	# all this does is basically replace the /! path by	2271	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2272	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2273	# that depends on the exit object
1816		2274
1817	my $rmp = parse_random_map_params $exit->msg;	2275	my $rmp = parse_random_map_params $exit->msg;
1818		2276
1819	if ($exit->map) {	2277	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2278	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2279	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2280	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2281	$rmp->{origin_y} = $exit->y;
1824	}	2282	}
1825		2283
1826	$rmp->{random_seed} ||= $exit->random_seed;	2284	$rmp->{random_seed} ||= $exit->random_seed;
1827		2285
1828	my $data = cf::to_json $rmp;	2286	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2287	my $md5 = Digest::MD5::md5_hex $data;
		2288	my $meta = "$RANDOMDIR/$md5.meta";
1830		2289
1831	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) {
1832	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;
1833		2294
1834	$exit->slaying ("?random/$md5");	2295	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2296	$exit->msg (undef);
1836	}	2297	}
1837	}	2298	}
1838		2299
1839	sub cf::object::player::enter_exit {	2300	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2301	my ($self, $exit) = @_;
1841		2302
1842	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;
1843		2315
1844	$self->enter_link;	2316	$self->enter_link;
1845		2317
1846	(async {	2318	(async {
1847	$self->deactivate_recursive; # just to be sure	2319	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2320	unless (eval {
1849	prepare_random_map $exit	2321	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2322
1855	1;	2323	1;
1856	}) {	2324	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2325	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "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. "
1859	. "Please report this to the dungeon master!",	2327	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2328	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2329
1862	warn "ERROR in enter_exit: $@";	2330	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2331	$self->leave_link;
1864	}	2332	}
1865	})->prio (1);	2333	})->prio (1);
…		…
1878		2346
1879	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
1881		2349
1882	utf8::encode $text;	2350	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2352	}
1885		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	}
1886		2404
1887	=item $success = $client->query ($flags, "text", \&cb)	2405	=item $success = $client->query ($flags, "text", \&cb)
1888		2406
1889	Queues a query to the client, calling the given callback with	2407	Queues a query to the client, calling the given callback with
1890	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2408	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1919	# get handled first	2437	# get handled first
1920	my $queue = delete $ns->{query_queue}	2438	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2439	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2440
1923	(shift @$queue)->[1]->($msg);	2441	(shift @$queue)->[1]->($msg);
		2442	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2443
1925	push @{ $ns->{query_queue} }, @$queue;	2444	push @{ $ns->{query_queue} }, @$queue;
1926		2445
1927	if (@{ $ns->{query_queue} } == @$queue) {	2446	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2447	if (@$queue) {
…		…
1986		2505
1987	# here we export the classes and methods available to script code	2506	# here we export the classes and methods available to script code
1988		2507
1989	=pod	2508	=pod
1990		2509
1991	The following fucntions and emthods are available within a safe environment:	2510	The following functions and methods are available within a safe environment:
1992		2511
1993	cf::object contr pay_amount pay_player map	2512	cf::object contr pay_amount pay_player map
1994	cf::object::player player	2513	cf::object::player player
1995	cf::player peaceful	2514	cf::player peaceful
1996	cf::map trigger	2515	cf::map trigger
…		…
2077	=back	2596	=back
2078		2597
2079	=cut	2598	=cut
2080		2599
2081	#############################################################################	2600	#############################################################################
		2601	# the server's init and main functions
2082		2602
2083	=head2 EXTENSION DATABASE SUPPORT	2603	sub load_facedata($) {
		2604	my ($path) = @_;
2084		2605
2085	Crossfire maintains a very simple database for extension use. It can	2606	warn "loading facedata from $path\n";
2086	currently store anything that can be serialised using Storable, which
2087	excludes objects.
2088		2607
2089	The parameter C<$family> should best start with the name of the extension	2608	my $facedata;
2090	using it, it should be unique.	2609	0 < aio_load $path, $facedata
		2610	or die "$path: $!";
2091		2611
2092	=over 4	2612	$facedata = Coro::Storable::thaw $facedata;
2093		2613
2094	=item $hashref = cf::db_get $family	2614	$facedata->{version} == 2
		2615	or cf::cleanup "$path: version mismatch, cannot proceed.";
2095		2616
2096	Return a hashref for use by the extension C<$family>, which can be
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099
2100	=item $value = cf::db_get $family => $key
2101
2102	Returns a single value from the database
2103
2104	=item cf::db_put $family => $hashref
2105
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}	2617	{
		2618	my $faces = $facedata->{faceinfo};
2132		2619
2133	my $pid;	2620	while (my ($face, $info) = each %$faces) {
2134		2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2135	sub db_save() {	2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2136	waitpid $pid, 0 if $pid;	2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2137	if (0 == ($pid = fork)) {	2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2138	$DB->{_meta}{version} = 1;	2625	Coro::cede;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});
2155
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}
2160
2161	sub db_get($;$) {
2162	@_ >= 2
2163	? $DB->{$_[0]}{$_[1]}
2164	: ($DB->{$_[0]} ||= { })
2165	}
2166
2167	sub db_put($$;$) {
2168	if (@_ >= 3) {
2169	$DB->{$_[0]}{$_[1]} = $_[2];
2170	} else {
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175
2176	cf::global->attach (
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	2626	}
2181	);
2182	}
2183		2627
2184	#############################################################################	2628	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	2629	next unless $info->{smooth};
		2630	my $idx = cf::face::find $face
		2631	or next;
		2632	if (my $smooth = cf::face::find $info->{smooth}) {
		2633	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2634	} else {
		2635	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2636	}
		2637	Coro::cede;
		2638	}
		2639	}
		2640
		2641	{
		2642	my $anims = $facedata->{animinfo};
		2643
		2644	while (my ($anim, $info) = each %$anims) {
		2645	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2646	Coro::cede;
		2647	}
		2648
		2649	cf::anim::invalidate_all; # d'oh
		2650	}
		2651
		2652	1
		2653	}
		2654
		2655	sub reload_regions {
		2656	load_resource_file "$MAPDIR/regions"
		2657	or die "unable to load regions file\n";
		2658	}
		2659
		2660	sub reload_facedata {
		2661	load_facedata "$DATADIR/facedata"
		2662	or die "unable to load facedata\n";
		2663	}
		2664
		2665	sub reload_archetypes {
		2666	load_resource_file "$DATADIR/archetypes"
		2667	or die "unable to load archetypes\n";
		2668	}
		2669
		2670	sub reload_treasures {
		2671	load_resource_file "$DATADIR/treasures"
		2672	or die "unable to load treasurelists\n";
		2673	}
		2674
		2675	sub reload_resources {
		2676	warn "reloading resource files...\n";
		2677
		2678	reload_regions;
		2679	reload_facedata;
		2680	#reload_archetypes;#d#
		2681	reload_archetypes;
		2682	reload_treasures;
		2683
		2684	warn "finished reloading resource files\n";
		2685	}
		2686
		2687	sub init {
		2688	reload_resources;
		2689	}
2186		2690
2187	sub cfg_load {	2691	sub cfg_load {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	2692	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	2693	or return;
2190		2694
2191	local $/;	2695	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	2696	*CFG = YAML::Syck::Load <$fh>;
2193		2697
…		…
2207		2711
2208	sub main {	2712	sub main {
2209	# we must not ever block the main coroutine	2713	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	2714	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2715	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2716	(async {
2212	async { Event::one_event };	2717	Event::one_event;
		2718	})->prio (Coro::PRIO_MAX);
2213	};	2719	};
2214		2720
2215	cfg_load;	2721	cfg_load;
2216	db_load;	2722	db_init;
2217	load_extensions;	2723	load_extensions;
		2724
		2725	$TICK_WATCHER->start;
2218	Event::loop;	2726	Event::loop;
2219	}	2727	}
2220		2728
2221	#############################################################################	2729	#############################################################################
2222	# initialisation and cleanup	2730	# initialisation and cleanup
2223		2731
2224	# install some emergency cleanup handlers	2732	# install some emergency cleanup handlers
2225	BEGIN {	2733	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	2734	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	2735	Event->signal (
		2736	reentrant => 0,
2228	data => WF_AUTOCANCEL,	2737	data => WF_AUTOCANCEL,
2229	signal => $signal,	2738	signal => $signal,
		2739	prio => 0,
2230	cb => sub {	2740	cb => sub {
2231	cf::cleanup "SIG$signal";	2741	cf::cleanup "SIG$signal";
2232	},	2742	},
2233	);	2743	);
2234	}	2744	}
		2745	}
		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
2235	}	2783	}
2236		2784
2237	sub emergency_save() {	2785	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	2786	my $freeze_guard = cf::freeze_mainloop;
2239		2787
…		…
2256	my $map = $cf::MAP{$path} or next;	2804	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	2805	$map->valid or next;
2258	$map->save;	2806	$map->save;
2259	}	2807	}
2260	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 $DB_ENV;
		2812	warn "end emergency database checkpoint\n";
2261	};	2813	};
2262		2814
2263	warn "leave emergency perl save\n";	2815	warn "leave emergency perl save\n";
2264	}	2816	}
2265		2817
		2818	sub post_cleanup {
		2819	my ($make_core) = @_;
		2820
		2821	warn Carp::longmess "post_cleanup backtrace"
		2822	if $make_core;
		2823	}
		2824
2266	sub reload() {	2825	sub do_reload_perl() {
2267	# can/must only be called in main	2826	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	2827	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	2828	warn "can only reload from main coroutine";
2270	return;	2829	return;
2271	}	2830	}
2272		2831
2273	warn "reloading...";	2832	warn "reloading...";
2274		2833
2275	warn "freezing server";	2834	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	2835
		2836	cf::sync_job {
		2837	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	2838	cf::emergency_save;
		2839	cf::write_runtime; # external watchdog should not bark
2278		2840
2279	warn "sync database to disk";	2841	warn "syncing database to disk";
2280	cf::db_sync;	2842	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		2843
2283	eval {
2284	# 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
2285		2845
2286	warn "cancel all watchers";	2846	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	2847	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	2849	}
2290		2850
		2851	warn "flushing outstanding aio requests";
		2852	for (;;) {
		2853	BDB::flush;
		2854	IO::AIO::flush;
		2855	Coro::cede;
		2856	last unless IO::AIO::nreqs || BDB::nreqs;
		2857	warn "iterate...";
		2858	}
		2859
		2860	++$RELOAD;
		2861
2291	warn "cancel all extension coros";	2862	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	2863	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	2864	%EXT_CORO = ();
2294		2865
2295	warn "remove commands";	2866	warn "removing commands";
2296	%COMMAND = ();	2867	%COMMAND = ();
2297		2868
2298	warn "remove ext commands";	2869	warn "removing ext commands";
2299	%EXTCMD = ();	2870	%EXTCMD = ();
2300		2871
2301	warn "unload/nuke all extensions";	2872	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	2873	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	2874	warn "... unloading $pkg";
2304		2875
2305	if (my $cb = $pkg->can ("unload")) {	2876	if (my $cb = $pkg->can ("unload")) {
2306	eval {	2877	eval {
…		…
2311		2882
2312	warn "... nuking $pkg";	2883	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	2884	Symbol::delete_package $pkg;
2314	}	2885	}
2315		2886
2316	warn "unload all perl modules loaded from $LIBDIR";	2887	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	2888	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		2890
2320	warn "removing <$k>";	2891	warn "... unloading $k";
2321	delete $INC{$k};	2892	delete $INC{$k};
2322		2893
2323	$k =~ s/\.pm$//;	2894	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	2895	$k =~ s/\//::/g;
2325		2896
…		…
2328	}	2899	}
2329		2900
2330	Symbol::delete_package $k;	2901	Symbol::delete_package $k;
2331	}	2902	}
2332		2903
2333	warn "get rid of safe::, as good as possible";	2904	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	2905	Symbol::delete_package "safe::$_"
2335	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);
2336		2907
2337	warn "unload cf.pm \"a bit\"";	2908	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	2909	delete $INC{"cf.pm"};
		2910	delete $INC{"cf/pod.pm"};
2339		2911
2340	# don't, removes xs symbols, too,	2912	# don't, removes xs symbols, too,
2341	# and global variables created in xs	2913	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	2914	#Symbol::delete_package __PACKAGE__;
2343		2915
		2916	warn "unload completed, starting to reload now";
		2917
2344	warn "reloading cf.pm";	2918	warn "reloading cf.pm";
2345	require cf;	2919	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		2921
2348	warn "load config and database again";	2922	warn "loading config and database again";
2349	cf::cfg_load;	2923	cf::cfg_load;
2350	cf::db_load;
2351		2924
2352	warn "load extensions";	2925	warn "loading extensions";
2353	cf::load_extensions;	2926	cf::load_extensions;
2354		2927
2355	warn "reattach attachments to objects/players";	2928	warn "reattaching attachments to objects/players";
2356	_global_reattach;	2929	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	2930	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	2931	reattach $_ for values %MAP;
2359	};	2932	warn "reattaching attachments to players";
		2933	reattach $_ for values %PLAYER;
2360		2934
2361	if ($@) {	2935	warn "leaving sync_job";
		2936
		2937	1
		2938	} or do {
2362	warn $@;	2939	warn $@;
2363	warn "error while reloading, exiting.";	2940	warn "error while reloading, exiting.";
2364	exit 1;	2941	exit 1;
2365	}	2942	};
2366		2943
2367	warn "reloaded";	2944	warn "reloaded";
2368	};	2945	};
2369		2946
		2947	our $RELOAD_WATCHER; # used only during reload
		2948
		2949	sub reload_perl() {
		2950	# doing reload synchronously and two reloads happen back-to-back,
		2951	# coro crashes during coro_state_free->destroy here.
		2952
		2953	$RELOAD_WATCHER ||= Event->timer (
		2954	reentrant => 0,
		2955	after => 0,
		2956	data => WF_AUTOCANCEL,
		2957	cb => sub {
		2958	do_reload_perl;
		2959	undef $RELOAD_WATCHER;
		2960	},
		2961	);
		2962	}
		2963
2370	register_command "reload" => sub {	2964	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	2965	my ($who, $arg) = @_;
2372		2966
2373	if ($who->flag (FLAG_WIZ)) {	2967	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	2968	$who->message ("reloading server.");
		2969	async { reload_perl };
2377	}	2970	}
2378	};	2971	};
2379		2972
2380	unshift @INC, $LIBDIR;	2973	unshift @INC, $LIBDIR;
2381		2974
		2975	my $bug_warning = 0;
		2976
		2977	our @WAIT_FOR_TICK;
		2978	our @WAIT_FOR_TICK_BEGIN;
		2979
		2980	sub wait_for_tick {
		2981	return unless $TICK_WATCHER->is_active;
		2982	return if $Coro::current == $Coro::main;
		2983
		2984	my $signal = new Coro::Signal;
		2985	push @WAIT_FOR_TICK, $signal;
		2986	$signal->wait;
		2987	}
		2988
		2989	sub wait_for_tick_begin {
		2990	return unless $TICK_WATCHER->is_active;
		2991	return if $Coro::current == $Coro::main;
		2992
		2993	my $signal = new Coro::Signal;
		2994	push @WAIT_FOR_TICK_BEGIN, $signal;
		2995	$signal->wait;
		2996	}
		2997
		2998	my $min = 1e6;#d#
		2999	my $avg = 10;
2382	$TICK_WATCHER = Event->timer (	3000	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	3001	reentrant => 0,
		3002	parked => 1,
2384	prio => 0,	3003	prio => 0,
2385	at => $NEXT_TICK || $TICK,	3004	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	3005	data => WF_AUTOCANCEL,
2387	cb => sub {	3006	cb => sub {
		3007	if ($Coro::current != $Coro::main) {
		3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3009	unless ++$bug_warning > 10;
		3010	return;
		3011	}
		3012
2388	$NOW = Event::time;	3013	$NOW = $tick_start = Event::time;
2389		3014
2390	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
2391	$RUNTIME += $TICK;	3040	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	3041	$NEXT_TICK += $TICK;
2393		3042
2394	$WAIT_FOR_TICK->broadcast;	3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3045	Coro::async_pool {
		3046	write_runtime
		3047	or warn "ERROR: unable to write runtime file: $!";
		3048	};
		3049	}
		3050
		3051	# my $AFTER = Event::time;
		3052	# warn $AFTER - $NOW;#d#
		3053
		3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3055	$sig->send;
		3056	}
		3057	while (my $sig = shift @WAIT_FOR_TICK) {
		3058	$sig->send;
		3059	}
		3060
		3061	$NOW = Event::time;
2396		3062
2397	# 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
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		3065
2400	$TICK_WATCHER->at ($NEXT_TICK);	3066	$TICK_WATCHER->at ($NEXT_TICK);
2401	$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
2402	},	3075	},
2403	);	3076	);
2404		3077
		3078	{
2405	IO::AIO::max_poll_time $TICK * 0.2;	3079	BDB::max_poll_time $TICK * 0.1;
2406		3080	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	3081	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	3082	fd => BDB::poll_fileno,
2409	poll => 'r',	3083	poll => 'r',
2410	prio => 5,	3084	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	3085	data => WF_AUTOCANCEL,
2417	after => 0,	3086	cb => \&BDB::poll_cb,
2418	interval => 10,	3087	);
2419	cb => sub {	3088	BDB::min_parallel 8;
2420	(Coro::unblock_sub {	3089
2421	write_runtime	3090	BDB::set_sync_prepare {
2422	or warn "ERROR: unable to write runtime file: $!";	3091	my $status;
		3092	my $current = $Coro::current;
		3093	(
		3094	sub {
		3095	$status = $!;
		3096	$current->ready; undef $current;
		3097	},
		3098	sub {
		3099	Coro::schedule while defined $current;
		3100	$! = $status;
		3101	},
		3102	)
		3103	};
		3104
		3105	unless ($DB_ENV) {
		3106	$DB_ENV = BDB::db_env_create;
		3107
		3108	cf::sync_job {
		3109	eval {
		3110	BDB::db_env_open
		3111	$DB_ENV,
		3112	$BDBDIR,
		3113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3115	0666;
		3116
		3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3118
		3119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3120	$DB_ENV->set_lk_detect;
		3121	};
		3122
		3123	cf::cleanup "db_env_open(db): $@" if $@;
2423	})->();	3124	};
2424	},	3125	}
2425	);	3126	}
		3127
		3128	{
		3129	IO::AIO::min_parallel 8;
		3130
		3131	undef $Coro::AIO::WATCHER;
		3132	IO::AIO::max_poll_time $TICK * 0.1;
		3133	$AIO_POLL_WATCHER = Event->io (
		3134	reentrant => 0,
		3135	data => WF_AUTOCANCEL,
		3136	fd => IO::AIO::poll_fileno,
		3137	poll => 'r',
		3138	prio => 6,
		3139	cb => \&IO::AIO::poll_cb,
		3140	);
		3141	}
		3142
		3143	my $_log_backtrace;
		3144
		3145	sub _log_backtrace {
		3146	my ($msg, @addr) = @_;
		3147
		3148	$msg =~ s/\n//;
		3149
		3150	# limit the # of concurrent backtraces
		3151	if ($_log_backtrace < 2) {
		3152	++$_log_backtrace;
		3153	async {
		3154	my @bt = fork_call {
		3155	@addr = map { sprintf "%x", $_ } @addr;
		3156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3158	or die "addr2line: $!";
		3159
		3160	my @funcs;
		3161	my @res = <$fh>;
		3162	chomp for @res;
		3163	while (@res) {
		3164	my ($func, $line) = splice @res, 0, 2, ();
		3165	push @funcs, "[$func] $line";
		3166	}
		3167
		3168	@funcs
		3169	};
		3170
		3171	LOG llevInfo, "[ABT] $msg\n";
		3172	LOG llevInfo, "[ABT] $_\n" for @bt;
		3173	--$_log_backtrace;
		3174	};
		3175	} else {
		3176	LOG llevInfo, "[ABT] $msg\n";
		3177	LOG llevInfo, "[ABT] [suppressed]\n";
		3178	}
		3179	}
		3180
		3181	# load additional modules
		3182	use cf::pod;
2426		3183
2427	END { cf::emergency_save }	3184	END { cf::emergency_save }
2428		3185
2429	1	3186	1
2430		3187

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