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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.286 by root, Sun Jun 24 04:27:20 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;
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
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	702	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	703	our @CB_MAP = ();
505		704
506	my %attachment;	705	my %attachment;
507		706
		707	sub cf::attachable::thawer_merge {
		708	# simply override everything except _meta
		709	local $_[0]{_meta};
		710	%{$_[0]} = %{$_[1]};
		711	}
		712
508	sub _attach_cb($$$$) {	713	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	714	my ($registry, $event, $prio, $cb) = @_;
510		715
511	use sort 'stable';	716	use sort 'stable';
512		717
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
547		752
548	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		757
553	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	759	my $pkg = shift @arg;
555		760
556	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
586	}	791	}
587		792
588	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
589	} else {	794	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	796	}
592		797
593	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
594	}	799	}
595		800
…		…
597	if (ref $_[0]) {	802	if (ref $_[0]) {
598	_object_attach @_;	803	_object_attach @_;
599	} else {	804	} else {
600	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
601	}	806	}
		807	_recalc_want;
602	};	808	};
603		809
604	# all those should be optimised	810	# all those should be optimised
605	sub cf::attachable::detach {	811	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
610	reattach ($obj);	816	reattach ($obj);
611	} else {	817	} else {
612	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
613	}	819	}
		820	_recalc_want;
614	};	821	};
615		822
616	sub cf::attachable::attached {	823	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
618		825
…		…
741	$filename, length $$rdata, scalar @$objs;	948	$filename, length $$rdata, scalar @$objs;
742		949
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	951	chmod SAVE_MODE, $fh;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	953	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	954	close $fh;
748		955
749	if (@$objs) {	956	if (@$objs) {
750	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) {
751	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	959	my $data = Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	960	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	962	close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	963	aio_rename "$filename.pst~", "$filename.pst";
757	}	964	}
758	} else {	965	} else {
759	aio_unlink "$filename.pst";	966	aio_unlink "$filename.pst";
…		…
791	or return;	998	or return;
792	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
793	}	1000	}
794		1001
795	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
797	return ($data, $av);	1004	return ($data, $av);
798	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
799		1012
800	#############################################################################	1013	#############################################################################
801	# command handling &c	1014	# command handling &c
802		1015
803	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1030	}
818		1031
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1033
821	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.
822		1035
823	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
824	called.	1037	called.
825		1038
826	=cut	1039	=cut
…		…
861		1074
862	cf::override;	1075	cf::override;
863	},	1076	},
864	);	1077	);
865		1078
866	sub load_extension {
867	my ($path) = @_;
868
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
870	my $base = $1;
871	my $pkg = $1;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}
894	die $@;
895	}
896
897	push @EXTS, $pkg;
898	}
899
900	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
901	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1084	next unless -r $path;
903	eval {	1085
904	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;
905	1	1143	}
906	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
907	}	1149	};
908	}	1150	}
909		1151
910	#############################################################################	1152	#############################################################################
911		1153
		1154	=back
		1155
912	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
913		1157
914	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
915		1159
916	=cut	1160	=cut
…		…
928	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
929		1173
930	=cut	1174	=cut
931		1175
932	sub playerdir($) {	1176	sub playerdir($) {
933	cf::localdir	1177	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1179	}
939		1180
940	sub path($) {	1181	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1183
943	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
944	}	1185	}
945		1186
946	sub find_active($) {	1187	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
951		1192
952	sub exists($) {	1193	sub exists($) {
953	my ($login) = @_;	1194	my ($login) = @_;
954		1195
955	$cf::PLAYER{$login}	1196	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1197	or cf::sync_job { !aio_stat path $login }
957	}	1198	}
958		1199
959	sub find($) {	1200	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1201	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1202	my $login = $_[0];
962		1203
963	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
964		1205
965	$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
966	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
967	or return;	1215	or return;
968	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
969	}	1217	}
970	}	1218	}
…		…
1007		1255
1008	=cut	1256	=cut
1009		1257
1010	sub quit_character {	1258	sub quit_character {
1011	my ($pl) = @_;	1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
1012		1262
1013	$pl->{deny_save} = 1;	1263	$pl->{deny_save} = 1;
1014	$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
1015		1265
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1021	my $path = playerdir $pl;	1271	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1272	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1273	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1274	delete $cf::PLAYER{$pl->ob->name};
1025	$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
1026	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;
1027	}	1297	}
1028		1298
1029	=item cf::player::list_logins	1299	=item cf::player::list_logins
1030		1300
1031	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
1032	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1033		1303
1034	=cut	1304	=cut
1035		1305
1036	sub list_logins {	1306	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1308	or return [];
1039		1309
1040	my @logins;	1310	my @logins;
1041		1311
1042	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
…		…
1059	=cut	1329	=cut
1060		1330
1061	sub maps($) {	1331	sub maps($) {
1062	my ($pl) = @_;	1332	my ($pl) = @_;
1063		1333
		1334	$pl = ref $pl ? $pl->ob->name : $pl;
		1335
1064	my $files = aio_readdir playerdir $pl	1336	my $files = aio_readdir playerdir $pl
1065	or return;	1337	or return;
1066		1338
1067	my @paths;	1339	my @paths;
1068		1340
1069	for (@$files) {	1341	for (@$files) {
1070	utf8::decode $_;	1342	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1343	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1344	next unless /^$PATH_SEP/o;
1073		1345
1074	s/\.map$//;	1346	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1347	}
1077		1348
1078	\@paths	1349	\@paths
1079	}	1350	}
1080		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
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1385	=item $player->ext_reply ($msgid, %msg)
1082		1386
1083	Sends an ext reply to the player.	1387	Sends an ext reply to the player.
1084		1388
1085	=cut	1389	=cut
1086		1390
1087	sub ext_reply($$$%) {	1391	sub ext_reply($$%) {
1088	my ($self, $id, %msg) = @_;	1392	my ($self, $id, %msg) = @_;
1089		1393
1090	$msg{msgid} = $id;	1394	$msg{msgid} = $id;
1091		1395
1092	$self->send ("ext " . cf::to_json \%msg);	1396	$self->send ("ext " . cf::to_json \%msg);
1093	}	1397	}
1094		1398
1095	package cf;	1399	=item $player->ext_event ($type, %msg)
		1400
		1401	Sends an ext event to the client.
		1402
		1403	=cut
		1404
		1405	sub ext_event($$%) {
		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	}
1096		1439
1097	=back	1440	=back
1098
1099		1441
1100	=head3 cf::map	1442	=head3 cf::map
1101		1443
1102	=over 4	1444	=over 4
1103		1445
…		…
1107		1449
1108	use Fcntl;	1450	use Fcntl;
1109	use Coro::AIO;	1451	use Coro::AIO;
1110		1452
1111	use overload	1453	use overload
1112	'""' => \&as_string;	1454	'""' => \&as_string,
		1455	fallback => 1;
1113		1456
1114	our $MAX_RESET = 3600;	1457	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1458	our $DEFAULT_RESET = 3000;
1116		1459
1117	sub generate_random_map {	1460	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1461	my ($self, $rmp) = @_;
1119
1120	# mit "rum" bekleckern, nicht	1462	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1463	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1473	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1474	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1475	)
1134	}	1476	}
1135		1477
		1478	=item cf::map->register ($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
1136	sub register {	1486	sub register {
1137	my (undef, $regex) = @_;	1487	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1488	my $pkg = caller;
1139		1489
1140	no strict;	1490	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1491	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1492
1143	$EXT_MAP{$pkg} = qr<$regex>;	1493	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1494	}
1145		1495
1146	# also paths starting with '/'	1496	# also paths starting with '/'
1147	$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	}
1148		1508
1149	sub normalise {	1509	sub normalise {
1150	my ($path, $base) = @_;	1510	my ($path, $base) = @_;
		1511
		1512	$path = "$path"; # make sure its a string
		1513
		1514	$path =~ s/\.map$//;
1151		1515
1152	# map plan:	1516	# map plan:
1153	#	1517	#
1154	# /! non-realised random map exit (special hack!)	1518	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1519	# {... are special paths that are not being touched
…		…
1183		1547
1184	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
1185		1549
1186	$path = normalise $path, $base;	1550	$path = normalise $path, $base;
1187		1551
1188	for my $pkg (keys %EXT_MAP) {	1552	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1553	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1554	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1555	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1556	$self->init; # pass $1 etc.
1193	return $self;	1557	return $self;
1194	}	1558	}
1195	}	1559	}
1196		1560
1197	Carp::carp "unable to resolve path '$path'.";	1561	Carp::carp "unable to resolve path '$path' (base '$base').";
1198	()	1562	()
1199	}	1563	}
1200		1564
1201	sub init {	1565	sub init {
1202	my ($self) = @_;	1566	my ($self) = @_;
…		…
1217		1581
1218	# the original (read-only) location	1582	# the original (read-only) location
1219	sub load_path {	1583	sub load_path {
1220	my ($self) = @_;	1584	my ($self) = @_;
1221		1585
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1586	"$MAPDIR/$self->{path}.map"
1223	}	1587	}
1224		1588
1225	# the temporary/swap location	1589	# the temporary/swap location
1226	sub save_path {	1590	sub save_path {
1227	my ($self) = @_;	1591	my ($self) = @_;
1228		1592
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1594	"$TMPDIR/$path.map"
1231	}	1595	}
1232		1596
1233	# the unique path, undef == no special unique path	1597	# the unique path, undef == no special unique path
1234	sub uniq_path {	1598	sub uniq_path {
1235	my ($self) = @_;	1599	my ($self) = @_;
1236		1600
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1602	"$UNIQUEDIR/$path"
1239	}	1603	}
1240		1604
1241	# and all this just because we cannot iterate over	1605	# and all this just because we cannot iterate over
1242	# all maps in C++...	1606	# all maps in C++...
1243	sub change_all_map_light {	1607	sub change_all_map_light {
…		…
1245		1609
1246	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1247	for grep $_->outdoor, values %cf::MAP;	1611	for grep $_->outdoor, values %cf::MAP;
1248	}	1612	}
1249		1613
		1614	sub decay_objects {
		1615	my ($self) = @_;
		1616
		1617	return if $self->{deny_reset};
		1618
		1619	$self->do_decay_objects;
		1620	}
		1621
1250	sub unlink_save {	1622	sub unlink_save {
1251	my ($self) = @_;	1623	my ($self) = @_;
1252		1624
1253	utf8::encode (my $save = $self->save_path);	1625	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1626	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1627	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1628	}
1257		1629
1258	sub load_header_from($) {	1630	sub load_header_from($) {
1259	my ($self, $path) = @_;	1631	my ($self, $path) = @_;
1260		1632
1261	utf8::encode $path;	1633	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1634	#aio_open $path, O_RDONLY, 0
1263	or return;	1635	# or return;
1264		1636
1265	$self->_load_header ($path)	1637	$self->_load_header ($path)
1266	or return;	1638	or return;
1267		1639
1268	$self->{load_path} = $path;	1640	$self->{load_path} = $path;
1269		1641
1270	1	1642	1
1271	}	1643	}
1272		1644
1273	sub load_orig {	1645	sub load_header_orig {
1274	my ($self) = @_;	1646	my ($self) = @_;
1275		1647
1276	$self->load_header_from ($self->load_path)	1648	$self->load_header_from ($self->load_path)
1277	}	1649	}
1278		1650
1279	sub load_temp {	1651	sub load_header_temp {
1280	my ($self) = @_;	1652	my ($self) = @_;
1281		1653
1282	$self->load_header_from ($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	$self->instantiate;
1283	}	1674	}
1284		1675
1285	sub load_header {	1676	sub load_header {
1286	my ($self) = @_;	1677	my ($self) = @_;
1287		1678
1288	if ($self->load_temp) {	1679	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	1680	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	1681	} else {
1295	$self->load_orig	1682	$self->load_header_orig
1296	or return;	1683	or return;
1297		1684	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	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;
1303		1692
1304	1	1693	1
1305	}	1694	}
1306		1695
1307	sub find;	1696	sub find;
…		…
1320	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1321		1710
1322	$map->load_header	1711	$map->load_header
1323	or return;	1712	or return;
1324		1713
1325	if ($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;
1326	$map->reset;	1717	$map->reset;
1327	undef $guard;	1718	undef $guard;
1328	$map = find $path	1719	return find $path;
1329	or return;
1330	}	1720	}
1331		1721
1332	$cf::MAP{$path} = $map	1722	$cf::MAP{$path} = $map
1333	}	1723	}
1334	}	1724	}
		1725
		1726	sub pre_load { }
		1727	sub post_load { }
1335		1728
1336	sub load {	1729	sub load {
1337	my ($self) = @_;	1730	my ($self) = @_;
1338		1731
		1732	local $self->{deny_reset} = 1; # loading can take a long time
		1733
1339	my $path = $self->{path};	1734	my $path = $self->{path};
		1735
		1736	{
1340	my $guard = cf::lock_acquire "map_load:$path";	1737	my $guard = cf::lock_acquire "map_load:$path";
1341		1738
1342	return if $self->in_memory != cf::MAP_SWAPPED;	1739	return if $self->in_memory != cf::MAP_SWAPPED;
1343		1740
1344	$self->in_memory (cf::MAP_LOADING);	1741	$self->in_memory (cf::MAP_LOADING);
1345		1742
1346	$self->alloc;	1743	$self->alloc;
1347	$self->_load_objects ($self->{load_path}, 1)
1348	or return;
1349		1744
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1745	$self->pre_load;
1351	if delete $self->{load_original};
1352
1353	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {
1356	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);
1358	}
1359	}
1360
1361	Coro::cede;
1362
1363	# now do the right thing for maps
1364	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;	1746	Coro::cede;
1371	$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;
1372	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	1766	unless $self->difficulty;
1374	Coro::cede;	1767	Coro::cede;
		1768
		1769	unless ($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;
1375	$self->activate;	1776	$self->activate;
1376	}	1777	}
1377		1778
1378	$self->in_memory (cf::MAP_IN_MEMORY);	1779	$self->in_memory (cf::MAP_IN_MEMORY);
		1780	}
		1781
		1782	$self->post_load;
1379	}	1783	}
1380		1784
1381	sub customise_for {	1785	sub customise_for {
1382	my ($self, $ob) = @_;	1786	my ($self, $ob) = @_;
1383		1787
1384	return find "~" . $ob->name . "/" . $self->{path}	1788	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	1789	if $self->per_player;
		1790
		1791	# return find "?party/" . $ob->name . "/" . $self->{path}
		1792	# if $self->per_party;
1386		1793
1387	$self	1794	$self
1388	}	1795	}
1389		1796
1390	# 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
…		…
1422		1829
1423	cf::sync_job { $map->load };	1830	cf::sync_job { $map->load };
1424	}	1831	}
1425		1832
1426	our %MAP_PREFETCH;	1833	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	1834	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		1835
1440	sub find_async {	1836	sub find_async {
1441	my ($path, $origin) = @_;	1837	my ($path, $origin) = @_;
1442		1838
1443	$path = normalise $path, $origin && $origin->{path};	1839	$path = normalise $path, $origin && $origin->{path};
1444		1840
1445	if (my $map = $cf::MAP{$path}) {	1841	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1447	}	1843	}
1448		1844
1449	$MAP_PREFETCH{$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	};
1450	$MAP_PREFETCHER->ready;	1858	$MAP_PREFETCHER->prio (6);
1451		1859
1452	()	1860	()
1453	}	1861	}
1454		1862
1455	sub save {	1863	sub save {
…		…
1500		1908
1501	sub reset_at {	1909	sub reset_at {
1502	my ($self) = @_;	1910	my ($self) = @_;
1503		1911
1504	# TODO: safety, remove and allow resettable per-player maps	1912	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	1913	return 1e99 if $self->{deny_reset};
1507		1914
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		1917
…		…
1515	my ($self) = @_;	1922	my ($self) = @_;
1516		1923
1517	$self->reset_at <= $cf::RUNTIME	1924	$self->reset_at <= $cf::RUNTIME
1518	}	1925	}
1519		1926
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	1927	sub reset {
1535	my ($self) = @_;	1928	my ($self) = @_;
1536		1929
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		1931
1539	return if $self->players;	1932	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		1933
1542	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	}
1543		1945
1544	delete $cf::MAP{$self->path};	1946	delete $cf::MAP{$self->path};
1545		1947
1546	$self->in_memory (cf::MAP_SWAPPED);
1547	$self->clear;	1948	$self->clear;
1548		1949
1549	$_->clear_links_to ($self) for values %cf::MAP;	1950	$_->clear_links_to ($self) for values %cf::MAP;
1550		1951
1551	$self->unlink_save;	1952	$self->unlink_save;
…		…
1555	my $nuke_counter = "aaaa";	1956	my $nuke_counter = "aaaa";
1556		1957
1557	sub nuke {	1958	sub nuke {
1558	my ($self) = @_;	1959	my ($self) = @_;
1559		1960
		1961	delete $cf::MAP{$self->path};
		1962
		1963	$self->unlink_save;
		1964
		1965	bless $self, "cf::map";
		1966	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	1967	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	1968	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1970
		1971	$cf::MAP{$self->path} = $self;
		1972
1563	$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	]
1564	}	2010	}
1565		2011
1566	=item cf::map::unique_maps	2012	=item cf::map::unique_maps
1567		2013
1568	Returns an arrayref of paths of all shared maps that have	2014	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2015	instantiated unique items. May block.
1570		2016
1571	=cut	2017	=cut
1572		2018
1573	sub unique_maps() {	2019	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2020	[
1575	or return;	2021	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2022	utf8::decode $_;
1581	next if /\.pst$/;
1582	next unless /^$PATH_SEP/o;
1583
1584	s/\.map$//;	2023	/\.map$/
1585	push @paths, $_;	2024	? normalise $_
		2025	: ()
		2026	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2027	]
1587
1588	\@paths
1589	}	2028	}
1590		2029
1591	package cf;	2030	package cf;
1592		2031
1593	=back	2032	=back
…		…
1639		2078
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2080
1642	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1644	} 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 {
1645	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1647	}	2100	}
1648	}	2101	}
1649		2102
1650	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1651		2104
…		…
1684	=cut	2137	=cut
1685		2138
1686	sub link_map {	2139	sub link_map {
1687	unless ($LINK_MAP) {	2140	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2141	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2142	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2143	$LINK_MAP->load;
1691	}	2144	}
1692		2145
1693	$LINK_MAP	2146	$LINK_MAP
1694	}	2147	}
…		…
1699	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
1700		2153
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2155
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2157	if $self->map && $self->map->{path} ne "{link}";
1705		2158
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	2160	}
1708		2161
1709	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1711		2166
1712	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1713		2168
1714	unless ($map) {	2169	unless ($map) {
1715	# restore original map position	2170	# restore original map position
…		…
1733	$map->load;	2188	$map->load;
1734	$map->load_diag;	2189	$map->load_diag;
1735		2190
1736	return unless $self->contr->active;	2191	return unless $self->contr->active;
1737	$self->activate_recursive;	2192	$self->activate_recursive;
		2193
		2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1739	}	2196	}
1740		2197
1741	cf::player->attach (
1742	on_logout => sub {
1743	my ($pl) = @_;
1744
1745	# abort map switching before logout
1746	if ($pl->ob->{_link_pos}) {
1747	cf::sync_job {
1748	$pl->ob->leave_link
1749	};
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754
1755	# try to abort aborted map switching on player login :)
1756	# should happen only on crashes
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772
1773	=item $player_object->goto ($path, $x, $y)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1774		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
1775	=cut	2205	=cut
		2206
		2207	our $GOTOGEN;
1776		2208
1777	sub cf::object::player::goto {	2209	sub cf::object::player::goto {
1778	my ($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;
1779		2214
1780	$self->enter_link;	2215	$self->enter_link;
1781		2216
1782	(async {	2217	(async {
		2218	my $map = eval {
1783	my $map = cf::map::find $path;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2222	$map = $map->customise_for ($self);
1785		2223	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2224	} else {
1787	# if $map;
1788
1789	$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	}
1790		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};
1791	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1792	})->prio (1);	2240	})->prio (1);
1793	}	2241	}
1794		2242
1795	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1796		2244
…		…
1798		2246
1799	sub parse_random_map_params {	2247	sub parse_random_map_params {
1800	my ($spec) = @_;	2248	my ($spec) = @_;
1801		2249
1802	my $rmp = { # defaults	2250	my $rmp = { # defaults
1803	xsize => 10,	2251	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2252	ysize => (cf::rndm 15, 40),
		2253	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2254	#layout => string,
1805	};	2255	};
1806		2256
1807	for (split /\n/, $spec) {	2257	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2258	my ($k, $v) = split /\s+/, $_, 2;
1809		2259
…		…
1813	$rmp	2263	$rmp
1814	}	2264	}
1815		2265
1816	sub prepare_random_map {	2266	sub prepare_random_map {
1817	my ($exit) = @_;	2267	my ($exit) = @_;
		2268
		2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
1818		2270
1819	# all this does is basically replace the /! path by	2271	# all this does is basically replace the /! path by
1820	# a new random map path (?random/...) with a seed	2272	# a new random map path (?random/...) with a seed
1821	# that depends on the exit object	2273	# that depends on the exit object
1822		2274
1823	my $rmp = parse_random_map_params $exit->msg;	2275	my $rmp = parse_random_map_params $exit->msg;
1824		2276
1825	if ($exit->map) {	2277	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2278	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2279	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2280	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2281	$rmp->{origin_y} = $exit->y;
1830	}	2282	}
1831		2283
1832	$rmp->{random_seed} ||= $exit->random_seed;	2284	$rmp->{random_seed} ||= $exit->random_seed;
1833		2285
1834	my $data = cf::to_json $rmp;	2286	my $data = cf::to_json $rmp;
1835	my $md5 = Digest::MD5::md5_hex $data;	2287	my $md5 = Digest::MD5::md5_hex $data;
		2288	my $meta = "$RANDOMDIR/$md5.meta";
1836		2289
1837	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) {
1838	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;
1839		2294
1840	$exit->slaying ("?random/$md5");	2295	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2296	$exit->msg (undef);
1842	}	2297	}
1843	}	2298	}
1844		2299
1845	sub cf::object::player::enter_exit {	2300	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2301	my ($self, $exit) = @_;
1847		2302
1848	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;
1849		2315
1850	$self->enter_link;	2316	$self->enter_link;
1851		2317
1852	(async {	2318	(async {
1853	$self->deactivate_recursive; # just to be sure	2319	$self->deactivate_recursive; # just to be sure
1854	unless (eval {	2320	unless (eval {
1855	prepare_random_map $exit	2321	$self->goto ($slaying, $hp, $sp);
1856	if $exit->slaying eq "/!";
1857
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860		2322
1861	1;	2323	1;
1862	}) {	2324	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2325	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "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. "
1865	. "Please report this to the dungeon master!",	2327	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2328	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2329
1868	warn "ERROR in enter_exit: $@";	2330	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2331	$self->leave_link;
1870	}	2332	}
1871	})->prio (1);	2333	})->prio (1);
…		…
1884		2346
1885	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
1887		2349
1888	utf8::encode $text;	2350	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2352	}
1891		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=$1]${2}[\/color]/;
		2379	}
		2380
		2381	if ($color >= 0) {
		2382	if (0 && $msg =~ /\[/) {
		2383	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2384	} else {
		2385	$msg =~ 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	}
1892		2404
1893	=item $success = $client->query ($flags, "text", \&cb)	2405	=item $success = $client->query ($flags, "text", \&cb)
1894		2406
1895	Queues a query to the client, calling the given callback with	2407	Queues a query to the client, calling the given callback with
1896	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>,
…		…
1925	# get handled first	2437	# get handled first
1926	my $queue = delete $ns->{query_queue}	2438	my $queue = delete $ns->{query_queue}
1927	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
1928		2440
1929	(shift @$queue)->[1]->($msg);	2441	(shift @$queue)->[1]->($msg);
		2442	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2443
1931	push @{ $ns->{query_queue} }, @$queue;	2444	push @{ $ns->{query_queue} }, @$queue;
1932		2445
1933	if (@{ $ns->{query_queue} } == @$queue) {	2446	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2447	if (@$queue) {
…		…
1992		2505
1993	# here we export the classes and methods available to script code	2506	# here we export the classes and methods available to script code
1994		2507
1995	=pod	2508	=pod
1996		2509
1997	The following fucntions and emthods are available within a safe environment:	2510	The following functions and methods are available within a safe environment:
1998		2511
1999	cf::object contr pay_amount pay_player map	2512	cf::object contr pay_amount pay_player map
2000	cf::object::player player	2513	cf::object::player player
2001	cf::player peaceful	2514	cf::player peaceful
2002	cf::map trigger	2515	cf::map trigger
…		…
2083	=back	2596	=back
2084		2597
2085	=cut	2598	=cut
2086		2599
2087	#############################################################################	2600	#############################################################################
		2601	# the server's init and main functions
2088		2602
2089	=head2 EXTENSION DATABASE SUPPORT	2603	sub load_facedata($) {
		2604	my ($path) = @_;
2090		2605
2091	Crossfire maintains a very simple database for extension use. It can	2606	warn "loading facedata from $path\n";
2092	currently store anything that can be serialised using Storable, which
2093	excludes objects.
2094		2607
2095	The parameter C<$family> should best start with the name of the extension	2608	my $facedata;
2096	using it, it should be unique.	2609	0 < aio_load $path, $facedata
		2610	or die "$path: $!";
2097		2611
2098	=over 4	2612	$facedata = Coro::Storable::thaw $facedata;
2099		2613
2100	=item $hashref = cf::db_get $family	2614	$facedata->{version} == 2
		2615	or cf::cleanup "$path: version mismatch, cannot proceed.";
2101		2616
2102	Return a hashref for use by the extension C<$family>, which can be
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105
2106	=item $value = cf::db_get $family => $key
2107
2108	Returns a single value from the database
2109
2110	=item cf::db_put $family => $hashref
2111
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}	2617	{
		2618	my $faces = $facedata->{faceinfo};
2138		2619
2139	my $pid;	2620	while (my ($face, $info) = each %$faces) {
2140		2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2141	sub db_save() {	2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2142	waitpid $pid, 0 if $pid;	2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2143	if (0 == ($pid = fork)) {	2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2144	$DB->{_meta}{version} = 1;	2625	Coro::cede;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});
2161
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}
2166
2167	sub db_get($;$) {
2168	@_ >= 2
2169	? $DB->{$_[0]}{$_[1]}
2170	: ($DB->{$_[0]} ||= { })
2171	}
2172
2173	sub db_put($$;$) {
2174	if (@_ >= 3) {
2175	$DB->{$_[0]}{$_[1]} = $_[2];
2176	} else {
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181
2182	cf::global->attach (
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	2626	}
2187	);
2188	}
2189		2627
2190	#############################################################################	2628	while (my ($face, $info) = each %$faces) {
2191	# 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	}
2192		2690
2193	sub cfg_load {	2691	sub cfg_load {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	2692	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	2693	or return;
2196		2694
2197	local $/;	2695	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	2696	*CFG = YAML::Syck::Load <$fh>;
2199		2697
…		…
2213		2711
2214	sub main {	2712	sub main {
2215	# we must not ever block the main coroutine	2713	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	2714	local $Coro::idle = sub {
2217	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 {
2218	async { Event::one_event };	2717	Event::one_event;
		2718	})->prio (Coro::PRIO_MAX);
2219	};	2719	};
2220		2720
2221	cfg_load;	2721	cfg_load;
2222	db_load;	2722	db_init;
2223	load_extensions;	2723	load_extensions;
		2724
		2725	$TICK_WATCHER->start;
2224	Event::loop;	2726	Event::loop;
2225	}	2727	}
2226		2728
2227	#############################################################################	2729	#############################################################################
2228	# initialisation and cleanup	2730	# initialisation and cleanup
2229		2731
2230	# install some emergency cleanup handlers	2732	# install some emergency cleanup handlers
2231	BEGIN {	2733	BEGIN {
2232	for my $signal (qw(INT HUP TERM)) {	2734	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	2735	Event->signal (
		2736	reentrant => 0,
2234	data => WF_AUTOCANCEL,	2737	data => WF_AUTOCANCEL,
2235	signal => $signal,	2738	signal => $signal,
		2739	prio => 0,
2236	cb => sub {	2740	cb => sub {
2237	cf::cleanup "SIG$signal";	2741	cf::cleanup "SIG$signal";
2238	},	2742	},
2239	);	2743	);
2240	}	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
2241	}	2783	}
2242		2784
2243	sub emergency_save() {	2785	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	2786	my $freeze_guard = cf::freeze_mainloop;
2245		2787
…		…
2262	my $map = $cf::MAP{$path} or next;	2804	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	2805	$map->valid or next;
2264	$map->save;	2806	$map->save;
2265	}	2807	}
2266	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 $DB_ENV;
		2812	warn "end emergency database checkpoint\n";
2267	};	2813	};
2268		2814
2269	warn "leave emergency perl save\n";	2815	warn "leave emergency perl save\n";
2270	}	2816	}
2271		2817
		2818	sub post_cleanup {
		2819	my ($make_core) = @_;
		2820
		2821	warn Carp::longmess "post_cleanup backtrace"
		2822	if $make_core;
		2823	}
		2824
2272	sub reload() {	2825	sub do_reload_perl() {
2273	# can/must only be called in main	2826	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	2827	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	2828	warn "can only reload from main coroutine";
2276	return;	2829	return;
2277	}	2830	}
2278		2831
2279	warn "reloading...";	2832	warn "reloading...";
2280		2833
2281	warn "freezing server";	2834	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	2835
		2836	cf::sync_job {
		2837	cf::write_runtime; # external watchdog should not bark
2283	cf::emergency_save;	2838	cf::emergency_save;
		2839	cf::write_runtime; # external watchdog should not bark
2284		2840
2285	warn "sync database to disk";	2841	warn "syncing database to disk";
2286	cf::db_sync;	2842	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		2843
2289	eval {
2290	# 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
2291		2845
2292	warn "cancel all watchers";	2846	warn "cancelling all WF_AUTOCANCEL watchers";
2293	for (Event::all_watchers) {	2847	for (Event::all_watchers) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2295	}	2849	}
2296		2850
		2851	warn "flushing outstanding aio requests";
		2852	for (;;) {
		2853	BDB::flush;
		2854	IO::AIO::flush;
		2855	Coro::cede;
		2856	last unless IO::AIO::nreqs || BDB::nreqs;
		2857	warn "iterate...";
		2858	}
		2859
		2860	++$RELOAD;
		2861
2297	warn "cancel all extension coros";	2862	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	2863	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	2864	%EXT_CORO = ();
2300		2865
2301	warn "remove commands";	2866	warn "removing commands";
2302	%COMMAND = ();	2867	%COMMAND = ();
2303		2868
2304	warn "remove ext commands";	2869	warn "removing ext commands";
2305	%EXTCMD = ();	2870	%EXTCMD = ();
2306		2871
2307	warn "unload/nuke all extensions";	2872	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	2873	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	2874	warn "... unloading $pkg";
2310		2875
2311	if (my $cb = $pkg->can ("unload")) {	2876	if (my $cb = $pkg->can ("unload")) {
2312	eval {	2877	eval {
…		…
2317		2882
2318	warn "... nuking $pkg";	2883	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	2884	Symbol::delete_package $pkg;
2320	}	2885	}
2321		2886
2322	warn "unload all perl modules loaded from $LIBDIR";	2887	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	2888	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		2890
2326	warn "removing <$k>";	2891	warn "... unloading $k";
2327	delete $INC{$k};	2892	delete $INC{$k};
2328		2893
2329	$k =~ s/\.pm$//;	2894	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	2895	$k =~ s/\//::/g;
2331		2896
…		…
2334	}	2899	}
2335		2900
2336	Symbol::delete_package $k;	2901	Symbol::delete_package $k;
2337	}	2902	}
2338		2903
2339	warn "get rid of safe::, as good as possible";	2904	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	2905	Symbol::delete_package "safe::$_"
2341	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);
2342		2907
2343	warn "unload cf.pm \"a bit\"";	2908	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	2909	delete $INC{"cf.pm"};
		2910	delete $INC{"cf/pod.pm"};
2345		2911
2346	# don't, removes xs symbols, too,	2912	# don't, removes xs symbols, too,
2347	# and global variables created in xs	2913	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	2914	#Symbol::delete_package __PACKAGE__;
2349		2915
		2916	warn "unload completed, starting to reload now";
		2917
2350	warn "reloading cf.pm";	2918	warn "reloading cf.pm";
2351	require cf;	2919	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		2921
2354	warn "load config and database again";	2922	warn "loading config and database again";
2355	cf::cfg_load;	2923	cf::cfg_load;
2356	cf::db_load;
2357		2924
2358	warn "load extensions";	2925	warn "loading extensions";
2359	cf::load_extensions;	2926	cf::load_extensions;
2360		2927
2361	warn "reattach attachments to objects/players";	2928	warn "reattaching attachments to objects/players";
2362	_global_reattach;	2929	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	2930	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	2931	reattach $_ for values %MAP;
2365	};	2932	warn "reattaching attachments to players";
		2933	reattach $_ for values %PLAYER;
2366		2934
2367	if ($@) {	2935	warn "leaving sync_job";
		2936
		2937	1
		2938	} or do {
2368	warn $@;	2939	warn $@;
2369	warn "error while reloading, exiting.";	2940	warn "error while reloading, exiting.";
2370	exit 1;	2941	exit 1;
2371	}	2942	};
2372		2943
2373	warn "reloaded";	2944	warn "reloaded";
2374	};	2945	};
2375		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 $RELOAD_WATCHER;
		2960	},
		2961	);
		2962	}
		2963
2376	register_command "reload" => sub {	2964	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	2965	my ($who, $arg) = @_;
2378		2966
2379	if ($who->flag (FLAG_WIZ)) {	2967	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	2968	$who->message ("reloading server.");
		2969	async { reload_perl };
2383	}	2970	}
2384	};	2971	};
2385		2972
2386	unshift @INC, $LIBDIR;	2973	unshift @INC, $LIBDIR;
2387		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;
2388	$TICK_WATCHER = Event->timer (	3000	$TICK_WATCHER = Event->timer (
2389	reentrant => 0,	3001	reentrant => 0,
		3002	parked => 1,
2390	prio => 0,	3003	prio => 0,
2391	at => $NEXT_TICK || $TICK,	3004	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,	3005	data => WF_AUTOCANCEL,
2393	cb => sub {	3006	cb => sub {
		3007	if ($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
2394	$NOW = Event::time;	3013	$NOW = $tick_start = Event::time;
2395		3014
2396	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
2397	$RUNTIME += $TICK;	3040	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;	3041	$NEXT_TICK += $TICK;
2399		3042
2400	$WAIT_FOR_TICK->broadcast;	3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$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;
2402		3062
2403	# 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
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2405		3065
2406	$TICK_WATCHER->at ($NEXT_TICK);	3066	$TICK_WATCHER->at ($NEXT_TICK);
2407	$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
2408	},	3075	},
2409	);	3076	);
2410		3077
		3078	{
		3079	BDB::max_poll_time $TICK * 0.1;
		3080	$BDB_POLL_WATCHER = Event->io (
		3081	reentrant => 0,
		3082	fd => BDB::poll_fileno,
		3083	poll => 'r',
		3084	prio => 0,
		3085	data => WF_AUTOCANCEL,
		3086	cb => \&BDB::poll_cb,
		3087	);
		3088	BDB::min_parallel 8;
		3089
		3090	BDB::set_sync_prepare {
		3091	my $status;
		3092	my $current = $Coro::current;
		3093	(
		3094	sub {
		3095	$status = $!;
		3096	$current->ready; undef $current;
		3097	},
		3098	sub {
		3099	Coro::schedule while defined $current;
		3100	$! = $status;
		3101	},
		3102	)
		3103	};
		3104
		3105	unless ($DB_ENV) {
		3106	$DB_ENV = BDB::db_env_create;
		3107
		3108	cf::sync_job {
		3109	eval {
		3110	BDB::db_env_open
		3111	$DB_ENV,
		3112	$BDBDIR,
		3113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3115	0666;
		3116
		3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3118
		3119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3120	$DB_ENV->set_lk_detect;
		3121	};
		3122
		3123	cf::cleanup "db_env_open(db): $@" if $@;
		3124	};
		3125	}
		3126	}
		3127
		3128	{
		3129	IO::AIO::min_parallel 8;
		3130
		3131	undef $Coro::AIO::WATCHER;
2411	IO::AIO::max_poll_time $TICK * 0.2;	3132	IO::AIO::max_poll_time $TICK * 0.1;
2412
2413	$AIO_POLL_WATCHER = Event->io (	3133	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,	3134	reentrant => 0,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,	3135	data => WF_AUTOCANCEL,
2423	after => 0,	3136	fd => IO::AIO::poll_fileno,
2424	interval => 10,	3137	poll => 'r',
2425	cb => sub {	3138	prio => 6,
2426	(Coro::unblock_sub {	3139	cb => \&IO::AIO::poll_cb,
2427	write_runtime	3140	);
2428	or warn "ERROR: unable to write runtime file: $!";	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;
2429	})->();	3174	};
		3175	} else {
		3176	LOG llevInfo, "[ABT] $msg\n";
		3177	LOG llevInfo, "[ABT] [suppressed]\n";
2430	},	3178	}
2431	);	3179	}
		3180
		3181	# load additional modules
		3182	use cf::pod;
2432		3183
2433	END { cf::emergency_save }	3184	END { cf::emergency_save }
2434		3185
2435	1	3186	1
2436		3187

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