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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 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;
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
…		…
683	# object support	890	# object support
684		891
685	sub reattach {	892	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	893	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	894	my ($obj) = @_;
		895
		896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		897
689	my $registry = $obj->registry;	898	my $registry = $obj->registry;
690		899
691	@$registry = ();	900	@$registry = ();
692		901
…		…
739	$filename, length $$rdata, scalar @$objs;	948	$filename, length $$rdata, scalar @$objs;
740		949
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	951	chmod SAVE_MODE, $fh;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
744	aio_fsync $fh;	953	aio_fsync $fh if $cf::USE_FSYNC;
745	close $fh;	954	close $fh;
746		955
747	if (@$objs) {	956	if (@$objs) {
748	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) {
749	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	959	my $data = Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	960	aio_write $fh, 0, (length $data), $data, 0;
752	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	962	close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	963	aio_rename "$filename.pst~", "$filename.pst";
755	}	964	}
756	} else {	965	} else {
757	aio_unlink "$filename.pst";	966	aio_unlink "$filename.pst";
…		…
789	or return;	998	or return;
790	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
791	}	1000	}
792		1001
793	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
795	return ($data, $av);	1004	return ($data, $av);
796	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
797		1012
798	#############################################################################	1013	#############################################################################
799	# command handling &c	1014	# command handling &c
800		1015
801	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1030	}
816		1031
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1033
819	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.
820		1035
821	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
822	called.	1037	called.
823		1038
824	=cut	1039	=cut
…		…
859		1074
860	cf::override;	1075	cf::override;
861	},	1076	},
862	);	1077	);
863		1078
864	sub load_extension {
865	my ($path) = @_;
866
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
868	my $base = $1;
869	my $pkg = $1;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}
892	die $@;
893	}
894
895	push @EXTS, $pkg;
896	}
897
898	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
899	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1084	next unless -r $path;
901	eval {	1085
902	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;
903	1	1143	}
904	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
905	}	1149	};
906	}	1150	}
907		1151
908	#############################################################################	1152	#############################################################################
909		1153
		1154	=back
		1155
910	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
911		1157
912	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
913		1159
914	=cut	1160	=cut
…		…
926	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
927		1173
928	=cut	1174	=cut
929		1175
930	sub playerdir($) {	1176	sub playerdir($) {
931	cf::localdir	1177	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1179	}
937		1180
938	sub path($) {	1181	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1183
941	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
942	}	1185	}
943		1186
944	sub find_active($) {	1187	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
949		1192
950	sub exists($) {	1193	sub exists($) {
951	my ($login) = @_;	1194	my ($login) = @_;
952		1195
953	$cf::PLAYER{$login}	1196	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1197	or cf::sync_job { !aio_stat path $login }
955	}	1198	}
956		1199
957	sub find($) {	1200	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1201	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1202	my $login = $_[0];
960		1203
961	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
962		1205
963	$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
964	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
965	or return;	1215	or return;
966	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
967	}	1217	}
968	}	1218	}
…		…
1005		1255
1006	=cut	1256	=cut
1007		1257
1008	sub quit_character {	1258	sub quit_character {
1009	my ($pl) = @_;	1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
1010		1262
1011	$pl->{deny_save} = 1;	1263	$pl->{deny_save} = 1;
1012	$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
1013		1265
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1019	my $path = playerdir $pl;	1271	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1272	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1273	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1274	delete $cf::PLAYER{$pl->ob->name};
1023	$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
1024	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;
1025	}	1297	}
1026		1298
1027	=item cf::player::list_logins	1299	=item cf::player::list_logins
1028		1300
1029	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
1030	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1031		1303
1032	=cut	1304	=cut
1033		1305
1034	sub list_logins {	1306	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1308	or return [];
1037		1309
1038	my @logins;	1310	my @logins;
1039		1311
1040	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
…		…
1057	=cut	1329	=cut
1058		1330
1059	sub maps($) {	1331	sub maps($) {
1060	my ($pl) = @_;	1332	my ($pl) = @_;
1061		1333
		1334	$pl = ref $pl ? $pl->ob->name : $pl;
		1335
1062	my $files = aio_readdir playerdir $pl	1336	my $files = aio_readdir playerdir $pl
1063	or return;	1337	or return;
1064		1338
1065	my @paths;	1339	my @paths;
1066		1340
1067	for (@$files) {	1341	for (@$files) {
1068	utf8::decode $_;	1342	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1343	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1344	next unless /^$PATH_SEP/o;
1071		1345
1072	s/\.map$//;	1346	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1347	}
1075		1348
1076	\@paths	1349	\@paths
1077	}	1350	}
1078		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
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1385	=item $player->ext_reply ($msgid, %msg)
1080		1386
1081	Sends an ext reply to the player.	1387	Sends an ext reply to the player.
1082		1388
1083	=cut	1389	=cut
1084		1390
1085	sub ext_reply($$$%) {	1391	sub ext_reply($$%) {
1086	my ($self, $id, %msg) = @_;	1392	my ($self, $id, %msg) = @_;
1087		1393
1088	$msg{msgid} = $id;	1394	$msg{msgid} = $id;
1089		1395
1090	$self->send ("ext " . cf::to_json \%msg);	1396	$self->send ("ext " . cf::to_json \%msg);
1091	}	1397	}
1092		1398
1093	package cf;	1399	=item $player->ext_event ($type, %msg)
		1400
		1401	Sends an ext event to the client.
		1402
		1403	=cut
		1404
		1405	sub ext_event($$%) {
		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	}
1094		1439
1095	=back	1440	=back
1096
1097		1441
1098	=head3 cf::map	1442	=head3 cf::map
1099		1443
1100	=over 4	1444	=over 4
1101		1445
…		…
1105		1449
1106	use Fcntl;	1450	use Fcntl;
1107	use Coro::AIO;	1451	use Coro::AIO;
1108		1452
1109	use overload	1453	use overload
1110	'""' => \&as_string;	1454	'""' => \&as_string,
		1455	fallback => 1;
1111		1456
1112	our $MAX_RESET = 3600;	1457	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1458	our $DEFAULT_RESET = 3000;
1114		1459
1115	sub generate_random_map {	1460	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1461	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1462	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1463	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1473	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1474	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1475	)
1132	}	1476	}
1133		1477
		1478	=item cf::map->register ($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
1134	sub register {	1486	sub register {
1135	my (undef, $regex) = @_;	1487	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1488	my $pkg = caller;
1137		1489
1138	no strict;	1490	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1491	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1492
1141	$EXT_MAP{$pkg} = qr<$regex>;	1493	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1494	}
1143		1495
1144	# also paths starting with '/'	1496	# also paths starting with '/'
1145	$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	}
1146		1508
1147	sub normalise {	1509	sub normalise {
1148	my ($path, $base) = @_;	1510	my ($path, $base) = @_;
		1511
		1512	$path = "$path"; # make sure its a string
		1513
		1514	$path =~ s/\.map$//;
1149		1515
1150	# map plan:	1516	# map plan:
1151	#	1517	#
1152	# /! non-realised random map exit (special hack!)	1518	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1519	# {... are special paths that are not being touched
…		…
1181		1547
1182	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
1183		1549
1184	$path = normalise $path, $base;	1550	$path = normalise $path, $base;
1185		1551
1186	for my $pkg (keys %EXT_MAP) {	1552	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1553	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1554	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1555	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1556	$self->init; # pass $1 etc.
1191	return $self;	1557	return $self;
1192	}	1558	}
1193	}	1559	}
1194		1560
1195	Carp::carp "unable to resolve path '$path'.";	1561	Carp::carp "unable to resolve path '$path' (base '$base').";
1196	()	1562	()
1197	}	1563	}
1198		1564
1199	sub init {	1565	sub init {
1200	my ($self) = @_;	1566	my ($self) = @_;
…		…
1215		1581
1216	# the original (read-only) location	1582	# the original (read-only) location
1217	sub load_path {	1583	sub load_path {
1218	my ($self) = @_;	1584	my ($self) = @_;
1219		1585
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1586	"$MAPDIR/$self->{path}.map"
1221	}	1587	}
1222		1588
1223	# the temporary/swap location	1589	# the temporary/swap location
1224	sub save_path {	1590	sub save_path {
1225	my ($self) = @_;	1591	my ($self) = @_;
1226		1592
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1594	"$TMPDIR/$path.map"
1229	}	1595	}
1230		1596
1231	# the unique path, undef == no special unique path	1597	# the unique path, undef == no special unique path
1232	sub uniq_path {	1598	sub uniq_path {
1233	my ($self) = @_;	1599	my ($self) = @_;
1234		1600
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1602	"$UNIQUEDIR/$path"
1237	}	1603	}
1238		1604
1239	# and all this just because we cannot iterate over	1605	# and all this just because we cannot iterate over
1240	# all maps in C++...	1606	# all maps in C++...
1241	sub change_all_map_light {	1607	sub change_all_map_light {
…		…
1243		1609
1244	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1245	for grep $_->outdoor, values %cf::MAP;	1611	for grep $_->outdoor, values %cf::MAP;
1246	}	1612	}
1247		1613
		1614	sub decay_objects {
		1615	my ($self) = @_;
		1616
		1617	return if $self->{deny_reset};
		1618
		1619	$self->do_decay_objects;
		1620	}
		1621
1248	sub unlink_save {	1622	sub unlink_save {
1249	my ($self) = @_;	1623	my ($self) = @_;
1250		1624
1251	utf8::encode (my $save = $self->save_path);	1625	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1626	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1627	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1628	}
1255		1629
1256	sub load_header_from($) {	1630	sub load_header_from($) {
1257	my ($self, $path) = @_;	1631	my ($self, $path) = @_;
1258		1632
1259	utf8::encode $path;	1633	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1634	#aio_open $path, O_RDONLY, 0
1261	or return;	1635	# or return;
1262		1636
1263	$self->_load_header ($path)	1637	$self->_load_header ($path)
1264	or return;	1638	or return;
1265		1639
1266	$self->{load_path} = $path;	1640	$self->{load_path} = $path;
1267		1641
1268	1	1642	1
1269	}	1643	}
1270		1644
1271	sub load_orig {	1645	sub load_header_orig {
1272	my ($self) = @_;	1646	my ($self) = @_;
1273		1647
1274	$self->load_header_from ($self->load_path)	1648	$self->load_header_from ($self->load_path)
1275	}	1649	}
1276		1650
1277	sub load_temp {	1651	sub load_header_temp {
1278	my ($self) = @_;	1652	my ($self) = @_;
1279		1653
1280	$self->load_header_from ($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	$self->instantiate;
1281	}	1674	}
1282		1675
1283	sub load_header {	1676	sub load_header {
1284	my ($self) = @_;	1677	my ($self) = @_;
1285		1678
1286	if ($self->load_temp) {	1679	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	1680	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	1681	} else {
1293	$self->load_orig	1682	$self->load_header_orig
1294	or return;	1683	or return;
1295		1684	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	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;
1301		1692
1302	1	1693	1
1303	}	1694	}
1304		1695
1305	sub find;	1696	sub find;
…		…
1318	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1319		1710
1320	$map->load_header	1711	$map->load_header
1321	or return;	1712	or return;
1322		1713
1323	if ($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;
1324	$map->reset;	1717	$map->reset;
1325	undef $guard;	1718	undef $guard;
1326	$map = find $path	1719	return find $path;
1327	or return;
1328	}	1720	}
1329		1721
1330	$cf::MAP{$path} = $map	1722	$cf::MAP{$path} = $map
1331	}	1723	}
1332	}	1724	}
		1725
		1726	sub pre_load { }
		1727	sub post_load { }
1333		1728
1334	sub load {	1729	sub load {
1335	my ($self) = @_;	1730	my ($self) = @_;
1336		1731
		1732	local $self->{deny_reset} = 1; # loading can take a long time
		1733
1337	my $path = $self->{path};	1734	my $path = $self->{path};
		1735
		1736	{
1338	my $guard = cf::lock_acquire "map_load:$path";	1737	my $guard = cf::lock_acquire "map_load:$path";
1339		1738
1340	return if $self->in_memory != cf::MAP_SWAPPED;	1739	return if $self->in_memory != cf::MAP_SWAPPED;
1341		1740
1342	$self->in_memory (cf::MAP_LOADING);	1741	$self->in_memory (cf::MAP_LOADING);
1343		1742
1344	$self->alloc;	1743	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)
1346	or return;
1347		1744
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1745	$self->pre_load;
1349	if delete $self->{load_original};
1350
1351	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {
1354	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);
1356	}
1357	}
1358
1359	Coro::cede;
1360
1361	# now do the right thing for maps
1362	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;	1746	Coro::cede;
1369	$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;
1370	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	1766	unless $self->difficulty;
1372	Coro::cede;	1767	Coro::cede;
		1768
		1769	unless ($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;
1373	$self->activate;	1776	$self->activate;
1374	}	1777	}
1375		1778
1376	$self->in_memory (cf::MAP_IN_MEMORY);	1779	$self->in_memory (cf::MAP_IN_MEMORY);
		1780	}
		1781
		1782	$self->post_load;
1377	}	1783	}
1378		1784
1379	sub customise_for {	1785	sub customise_for {
1380	my ($self, $ob) = @_;	1786	my ($self, $ob) = @_;
1381		1787
1382	return find "~" . $ob->name . "/" . $self->{path}	1788	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	1789	if $self->per_player;
		1790
		1791	# return find "?party/" . $ob->name . "/" . $self->{path}
		1792	# if $self->per_party;
1384		1793
1385	$self	1794	$self
1386	}	1795	}
1387		1796
1388	# 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
…		…
1420		1829
1421	cf::sync_job { $map->load };	1830	cf::sync_job { $map->load };
1422	}	1831	}
1423		1832
1424	our %MAP_PREFETCH;	1833	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	1834	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		1835
1438	sub find_async {	1836	sub find_async {
1439	my ($path, $origin) = @_;	1837	my ($path, $origin) = @_;
1440		1838
1441	$path = normalise $path, $origin && $origin->{path};	1839	$path = normalise $path, $origin && $origin->{path};
1442		1840
1443	if (my $map = $cf::MAP{$path}) {	1841	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1445	}	1843	}
1446		1844
1447	$MAP_PREFETCH{$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	};
1448	$MAP_PREFETCHER->ready;	1858	$MAP_PREFETCHER->prio (6);
1449		1859
1450	()	1860	()
1451	}	1861	}
1452		1862
1453	sub save {	1863	sub save {
…		…
1498		1908
1499	sub reset_at {	1909	sub reset_at {
1500	my ($self) = @_;	1910	my ($self) = @_;
1501		1911
1502	# TODO: safety, remove and allow resettable per-player maps	1912	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	1913	return 1e99 if $self->{deny_reset};
1505		1914
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		1917
…		…
1513	my ($self) = @_;	1922	my ($self) = @_;
1514		1923
1515	$self->reset_at <= $cf::RUNTIME	1924	$self->reset_at <= $cf::RUNTIME
1516	}	1925	}
1517		1926
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	1927	sub reset {
1533	my ($self) = @_;	1928	my ($self) = @_;
1534		1929
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		1931
1537	return if $self->players;	1932	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		1933
1540	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	}
1541		1945
1542	delete $cf::MAP{$self->path};	1946	delete $cf::MAP{$self->path};
1543		1947
1544	$self->in_memory (cf::MAP_SWAPPED);
1545	$self->clear;	1948	$self->clear;
1546		1949
1547	$_->clear_links_to ($self) for values %cf::MAP;	1950	$_->clear_links_to ($self) for values %cf::MAP;
1548		1951
1549	$self->unlink_save;	1952	$self->unlink_save;
…		…
1553	my $nuke_counter = "aaaa";	1956	my $nuke_counter = "aaaa";
1554		1957
1555	sub nuke {	1958	sub nuke {
1556	my ($self) = @_;	1959	my ($self) = @_;
1557		1960
		1961	delete $cf::MAP{$self->path};
		1962
		1963	$self->unlink_save;
		1964
		1965	bless $self, "cf::map";
		1966	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	1967	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	1968	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1970
		1971	$cf::MAP{$self->path} = $self;
		1972
1561	$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	]
1562	}	2010	}
1563		2011
1564	=item cf::map::unique_maps	2012	=item cf::map::unique_maps
1565		2013
1566	Returns an arrayref of paths of all shared maps that have	2014	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2015	instantiated unique items. May block.
1568		2016
1569	=cut	2017	=cut
1570		2018
1571	sub unique_maps() {	2019	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2020	[
1573	or return;	2021	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2022	utf8::decode $_;
1579	next if /\.pst$/;
1580	next unless /^$PATH_SEP/o;
1581
1582	s/\.map$//;	2023	/\.map$/
1583	push @paths, $_;	2024	? normalise $_
		2025	: ()
		2026	} @{ aio_readdir $UNIQUEDIR or [] }
1584	}	2027	]
1585
1586	\@paths
1587	}	2028	}
1588		2029
1589	package cf;	2030	package cf;
1590		2031
1591	=back	2032	=back
…		…
1637		2078
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2080
1640	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1642	} 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 {
1643	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1645	}	2100	}
1646	}	2101	}
1647		2102
1648	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1649		2104
…		…
1682	=cut	2137	=cut
1683		2138
1684	sub link_map {	2139	sub link_map {
1685	unless ($LINK_MAP) {	2140	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2141	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2142	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2143	$LINK_MAP->load;
1689	}	2144	}
1690		2145
1691	$LINK_MAP	2146	$LINK_MAP
1692	}	2147	}
…		…
1697	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
1698		2153
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2155
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2157	if $self->map && $self->map->{path} ne "{link}";
1703		2158
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1705	}	2160	}
1706		2161
1707	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1709		2166
1710	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1711		2168
1712	unless ($map) {	2169	unless ($map) {
1713	# restore original map position	2170	# restore original map position
…		…
1731	$map->load;	2188	$map->load;
1732	$map->load_diag;	2189	$map->load_diag;
1733		2190
1734	return unless $self->contr->active;	2191	return unless $self->contr->active;
1735	$self->activate_recursive;	2192	$self->activate_recursive;
		2193
		2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1737	}	2196	}
1738		2197
1739	cf::player->attach (
1740	on_logout => sub {
1741	my ($pl) = @_;
1742
1743	# abort map switching before logout
1744	if ($pl->ob->{_link_pos}) {
1745	cf::sync_job {
1746	$pl->ob->leave_link
1747	};
1748	}
1749	},
1750	on_login => sub {
1751	my ($pl) = @_;
1752
1753	# try to abort aborted map switching on player login :)
1754	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770
1771	=item $player_object->goto ($path, $x, $y)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1772		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
1773	=cut	2205	=cut
		2206
		2207	our $GOTOGEN;
1774		2208
1775	sub cf::object::player::goto {	2209	sub cf::object::player::goto {
1776	my ($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;
1777		2214
1778	$self->enter_link;	2215	$self->enter_link;
1779		2216
1780	(async {	2217	(async {
		2218	my $map = eval {
1781	my $map = cf::map::find $path;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2222	$map = $map->customise_for ($self);
1783		2223	$map = $check->($map) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2224	} else {
1785	# if $map;
1786
1787	$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	}
1788		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};
1789	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1790	})->prio (1);	2240	})->prio (1);
1791	}	2241	}
1792		2242
1793	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1794		2244
…		…
1796		2246
1797	sub parse_random_map_params {	2247	sub parse_random_map_params {
1798	my ($spec) = @_;	2248	my ($spec) = @_;
1799		2249
1800	my $rmp = { # defaults	2250	my $rmp = { # defaults
1801	xsize => 10,	2251	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2252	ysize => (cf::rndm 15, 40),
		2253	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2254	#layout => string,
1803	};	2255	};
1804		2256
1805	for (split /\n/, $spec) {	2257	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2258	my ($k, $v) = split /\s+/, $_, 2;
1807		2259
…		…
1811	$rmp	2263	$rmp
1812	}	2264	}
1813		2265
1814	sub prepare_random_map {	2266	sub prepare_random_map {
1815	my ($exit) = @_;	2267	my ($exit) = @_;
		2268
		2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
1816		2270
1817	# all this does is basically replace the /! path by	2271	# all this does is basically replace the /! path by
1818	# a new random map path (?random/...) with a seed	2272	# a new random map path (?random/...) with a seed
1819	# that depends on the exit object	2273	# that depends on the exit object
1820		2274
1821	my $rmp = parse_random_map_params $exit->msg;	2275	my $rmp = parse_random_map_params $exit->msg;
1822		2276
1823	if ($exit->map) {	2277	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2278	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2279	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2280	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2281	$rmp->{origin_y} = $exit->y;
1828	}	2282	}
1829		2283
1830	$rmp->{random_seed} ||= $exit->random_seed;	2284	$rmp->{random_seed} ||= $exit->random_seed;
1831		2285
1832	my $data = cf::to_json $rmp;	2286	my $data = cf::to_json $rmp;
1833	my $md5 = Digest::MD5::md5_hex $data;	2287	my $md5 = Digest::MD5::md5_hex $data;
		2288	my $meta = "$RANDOMDIR/$md5.meta";
1834		2289
1835	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) {
1836	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;
1837		2294
1838	$exit->slaying ("?random/$md5");	2295	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2296	$exit->msg (undef);
1840	}	2297	}
1841	}	2298	}
1842		2299
1843	sub cf::object::player::enter_exit {	2300	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2301	my ($self, $exit) = @_;
1845		2302
1846	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;
1847		2315
1848	$self->enter_link;	2316	$self->enter_link;
1849		2317
1850	(async {	2318	(async {
1851	$self->deactivate_recursive; # just to be sure	2319	$self->deactivate_recursive; # just to be sure
1852	unless (eval {	2320	unless (eval {
1853	prepare_random_map $exit	2321	$self->goto ($slaying, $hp, $sp);
1854	if $exit->slaying eq "/!";
1855
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1858		2322
1859	1;	2323	1;
1860	}) {	2324	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2325	$self->message ("Something went wrong deep within the crossfire server. "
1862	. "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. "
1863	. "Please report this to the dungeon master!",	2327	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2328	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2329
1866	warn "ERROR in enter_exit: $@";	2330	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2331	$self->leave_link;
1868	}	2332	}
1869	})->prio (1);	2333	})->prio (1);
…		…
1882		2346
1883	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
1885		2349
1886	utf8::encode $text;	2350	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2352	}
1889		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	}
1890		2404
1891	=item $success = $client->query ($flags, "text", \&cb)	2405	=item $success = $client->query ($flags, "text", \&cb)
1892		2406
1893	Queues a query to the client, calling the given callback with	2407	Queues a query to the client, calling the given callback with
1894	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>,
…		…
1923	# get handled first	2437	# get handled first
1924	my $queue = delete $ns->{query_queue}	2438	my $queue = delete $ns->{query_queue}
1925	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
1926		2440
1927	(shift @$queue)->[1]->($msg);	2441	(shift @$queue)->[1]->($msg);
		2442	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		2443
1929	push @{ $ns->{query_queue} }, @$queue;	2444	push @{ $ns->{query_queue} }, @$queue;
1930		2445
1931	if (@{ $ns->{query_queue} } == @$queue) {	2446	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	2447	if (@$queue) {
…		…
1990		2505
1991	# here we export the classes and methods available to script code	2506	# here we export the classes and methods available to script code
1992		2507
1993	=pod	2508	=pod
1994		2509
1995	The following fucntions and emthods are available within a safe environment:	2510	The following functions and methods are available within a safe environment:
1996		2511
1997	cf::object contr pay_amount pay_player map	2512	cf::object contr pay_amount pay_player map
1998	cf::object::player player	2513	cf::object::player player
1999	cf::player peaceful	2514	cf::player peaceful
2000	cf::map trigger	2515	cf::map trigger
…		…
2081	=back	2596	=back
2082		2597
2083	=cut	2598	=cut
2084		2599
2085	#############################################################################	2600	#############################################################################
		2601	# the server's init and main functions
2086		2602
2087	=head2 EXTENSION DATABASE SUPPORT	2603	sub load_facedata($) {
		2604	my ($path) = @_;
2088		2605
2089	Crossfire maintains a very simple database for extension use. It can	2606	warn "loading facedata from $path\n";
2090	currently store anything that can be serialised using Storable, which
2091	excludes objects.
2092		2607
2093	The parameter C<$family> should best start with the name of the extension	2608	my $facedata;
2094	using it, it should be unique.	2609	0 < aio_load $path, $facedata
		2610	or die "$path: $!";
2095		2611
2096	=over 4	2612	$facedata = Coro::Storable::thaw $facedata;
2097		2613
2098	=item $hashref = cf::db_get $family	2614	$facedata->{version} == 2
		2615	or cf::cleanup "$path: version mismatch, cannot proceed.";
2099		2616
2100	Return a hashref for use by the extension C<$family>, which can be
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103
2104	=item $value = cf::db_get $family => $key
2105
2106	Returns a single value from the database
2107
2108	=item cf::db_put $family => $hashref
2109
2110	Stores the given family hashref into the database. Updates are delayed, if
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}	2617	{
		2618	my $faces = $facedata->{faceinfo};
2136		2619
2137	my $pid;	2620	while (my ($face, $info) = each %$faces) {
2138		2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2139	sub db_save() {	2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2140	waitpid $pid, 0 if $pid;	2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2141	if (0 == ($pid = fork)) {	2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2142	$DB->{_meta}{version} = 1;	2625	Coro::cede;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});
2159
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}
2164
2165	sub db_get($;$) {
2166	@_ >= 2
2167	? $DB->{$_[0]}{$_[1]}
2168	: ($DB->{$_[0]} ||= { })
2169	}
2170
2171	sub db_put($$;$) {
2172	if (@_ >= 3) {
2173	$DB->{$_[0]}{$_[1]} = $_[2];
2174	} else {
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179
2180	cf::global->attach (
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	2626	}
2185	);
2186	}
2187		2627
2188	#############################################################################	2628	while (my ($face, $info) = each %$faces) {
2189	# 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	}
2190		2690
2191	sub cfg_load {	2691	sub cfg_load {
2192	open my $fh, "<:utf8", cf::confdir . "/config"	2692	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	2693	or return;
2194		2694
2195	local $/;	2695	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	2696	*CFG = YAML::Syck::Load <$fh>;
2197		2697
…		…
2211		2711
2212	sub main {	2712	sub main {
2213	# we must not ever block the main coroutine	2713	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	2714	local $Coro::idle = sub {
2215	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 {
2216	async { Event::one_event };	2717	Event::one_event;
		2718	})->prio (Coro::PRIO_MAX);
2217	};	2719	};
2218		2720
2219	cfg_load;	2721	cfg_load;
2220	db_load;	2722	db_init;
2221	load_extensions;	2723	load_extensions;
		2724
		2725	$TICK_WATCHER->start;
2222	Event::loop;	2726	Event::loop;
2223	}	2727	}
2224		2728
2225	#############################################################################	2729	#############################################################################
2226	# initialisation and cleanup	2730	# initialisation and cleanup
2227		2731
2228	# install some emergency cleanup handlers	2732	# install some emergency cleanup handlers
2229	BEGIN {	2733	BEGIN {
2230	for my $signal (qw(INT HUP TERM)) {	2734	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	2735	Event->signal (
		2736	reentrant => 0,
2232	data => WF_AUTOCANCEL,	2737	data => WF_AUTOCANCEL,
2233	signal => $signal,	2738	signal => $signal,
		2739	prio => 0,
2234	cb => sub {	2740	cb => sub {
2235	cf::cleanup "SIG$signal";	2741	cf::cleanup "SIG$signal";
2236	},	2742	},
2237	);	2743	);
2238	}	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
2239	}	2783	}
2240		2784
2241	sub emergency_save() {	2785	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	2786	my $freeze_guard = cf::freeze_mainloop;
2243		2787
…		…
2260	my $map = $cf::MAP{$path} or next;	2804	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	2805	$map->valid or next;
2262	$map->save;	2806	$map->save;
2263	}	2807	}
2264	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 $DB_ENV;
		2812	warn "end emergency database checkpoint\n";
2265	};	2813	};
2266		2814
2267	warn "leave emergency perl save\n";	2815	warn "leave emergency perl save\n";
2268	}	2816	}
2269		2817
		2818	sub post_cleanup {
		2819	my ($make_core) = @_;
		2820
		2821	warn Carp::longmess "post_cleanup backtrace"
		2822	if $make_core;
		2823	}
		2824
2270	sub reload() {	2825	sub do_reload_perl() {
2271	# can/must only be called in main	2826	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	2827	if ($Coro::current != $Coro::main) {
2273	warn "can only reload from main coroutine\n";	2828	warn "can only reload from main coroutine";
2274	return;	2829	return;
2275	}	2830	}
2276		2831
2277	warn "reloading...";	2832	warn "reloading...";
2278		2833
2279	warn "freezing server";	2834	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	2835
		2836	cf::sync_job {
		2837	cf::write_runtime; # external watchdog should not bark
2281	cf::emergency_save;	2838	cf::emergency_save;
		2839	cf::write_runtime; # external watchdog should not bark
2282		2840
2283	warn "sync database to disk";	2841	warn "syncing database to disk";
2284	cf::db_sync;	2842	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		2843
2287	eval {
2288	# 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
2289		2845
2290	warn "cancel all watchers";	2846	warn "cancelling all WF_AUTOCANCEL watchers";
2291	for (Event::all_watchers) {	2847	for (Event::all_watchers) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2293	}	2849	}
2294		2850
		2851	warn "flushing outstanding aio requests";
		2852	for (;;) {
		2853	BDB::flush;
		2854	IO::AIO::flush;
		2855	Coro::cede;
		2856	last unless IO::AIO::nreqs || BDB::nreqs;
		2857	warn "iterate...";
		2858	}
		2859
		2860	++$RELOAD;
		2861
2295	warn "cancel all extension coros";	2862	warn "cancelling all extension coros";
2296	$_->cancel for values %EXT_CORO;	2863	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();	2864	%EXT_CORO = ();
2298		2865
2299	warn "remove commands";	2866	warn "removing commands";
2300	%COMMAND = ();	2867	%COMMAND = ();
2301		2868
2302	warn "remove ext commands";	2869	warn "removing ext commands";
2303	%EXTCMD = ();	2870	%EXTCMD = ();
2304		2871
2305	warn "unload/nuke all extensions";	2872	warn "unloading/nuking all extensions";
2306	for my $pkg (@EXTS) {	2873	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";	2874	warn "... unloading $pkg";
2308		2875
2309	if (my $cb = $pkg->can ("unload")) {	2876	if (my $cb = $pkg->can ("unload")) {
2310	eval {	2877	eval {
…		…
2315		2882
2316	warn "... nuking $pkg";	2883	warn "... nuking $pkg";
2317	Symbol::delete_package $pkg;	2884	Symbol::delete_package $pkg;
2318	}	2885	}
2319		2886
2320	warn "unload all perl modules loaded from $LIBDIR";	2887	warn "unloading all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {	2888	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323		2890
2324	warn "removing <$k>";	2891	warn "... unloading $k";
2325	delete $INC{$k};	2892	delete $INC{$k};
2326		2893
2327	$k =~ s/\.pm$//;	2894	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;	2895	$k =~ s/\//::/g;
2329		2896
…		…
2332	}	2899	}
2333		2900
2334	Symbol::delete_package $k;	2901	Symbol::delete_package $k;
2335	}	2902	}
2336		2903
2337	warn "get rid of safe::, as good as possible";	2904	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	2905	Symbol::delete_package "safe::$_"
2339	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);
2340		2907
2341	warn "unload cf.pm \"a bit\"";	2908	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	2909	delete $INC{"cf.pm"};
		2910	delete $INC{"cf/pod.pm"};
2343		2911
2344	# don't, removes xs symbols, too,	2912	# don't, removes xs symbols, too,
2345	# and global variables created in xs	2913	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	2914	#Symbol::delete_package __PACKAGE__;
2347		2915
		2916	warn "unload completed, starting to reload now";
		2917
2348	warn "reloading cf.pm";	2918	warn "reloading cf.pm";
2349	require cf;	2919	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351		2921
2352	warn "load config and database again";	2922	warn "loading config and database again";
2353	cf::cfg_load;	2923	cf::cfg_load;
2354	cf::db_load;
2355		2924
2356	warn "load extensions";	2925	warn "loading extensions";
2357	cf::load_extensions;	2926	cf::load_extensions;
2358		2927
2359	warn "reattach attachments to objects/players";	2928	warn "reattaching attachments to objects/players";
2360	_global_reattach;	2929	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	2930	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	2931	reattach $_ for values %MAP;
2363	};	2932	warn "reattaching attachments to players";
		2933	reattach $_ for values %PLAYER;
2364		2934
2365	if ($@) {	2935	warn "leaving sync_job";
		2936
		2937	1
		2938	} or do {
2366	warn $@;	2939	warn $@;
2367	warn "error while reloading, exiting.";	2940	warn "error while reloading, exiting.";
2368	exit 1;	2941	exit 1;
2369	}	2942	};
2370		2943
2371	warn "reloaded";	2944	warn "reloaded";
2372	};	2945	};
2373		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 $RELOAD_WATCHER;
		2960	},
		2961	);
		2962	}
		2963
2374	register_command "reload" => sub {	2964	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	2965	my ($who, $arg) = @_;
2376		2966
2377	if ($who->flag (FLAG_WIZ)) {	2967	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	2968	$who->message ("reloading server.");
		2969	async { reload_perl };
2381	}	2970	}
2382	};	2971	};
2383		2972
2384	unshift @INC, $LIBDIR;	2973	unshift @INC, $LIBDIR;
2385		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;
2386	$TICK_WATCHER = Event->timer (	3000	$TICK_WATCHER = Event->timer (
2387	reentrant => 0,	3001	reentrant => 0,
		3002	parked => 1,
2388	prio => 0,	3003	prio => 0,
2389	at => $NEXT_TICK || $TICK,	3004	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,	3005	data => WF_AUTOCANCEL,
2391	cb => sub {	3006	cb => sub {
		3007	if ($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
2392	$NOW = Event::time;	3013	$NOW = $tick_start = Event::time;
2393		3014
2394	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
2395	$RUNTIME += $TICK;	3040	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;	3041	$NEXT_TICK += $TICK;
2397		3042
2398	$WAIT_FOR_TICK->broadcast;	3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2399	$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;
2400		3062
2401	# 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
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2403		3065
2404	$TICK_WATCHER->at ($NEXT_TICK);	3066	$TICK_WATCHER->at ($NEXT_TICK);
2405	$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
2406	},	3075	},
2407	);	3076	);
2408		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;
2409	IO::AIO::max_poll_time $TICK * 0.2;	3132	IO::AIO::max_poll_time $TICK * 0.1;
2410
2411	$AIO_POLL_WATCHER = Event->io (	3133	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,	3134	reentrant => 0,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,	3135	data => WF_AUTOCANCEL,
2421	after => 0,	3136	fd => IO::AIO::poll_fileno,
2422	interval => 10,	3137	poll => 'r',
2423	cb => sub {	3138	prio => 6,
2424	(Coro::unblock_sub {	3139	cb => \&IO::AIO::poll_cb,
2425	write_runtime	3140	);
2426	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;
2427	})->();	3174	};
		3175	} else {
		3176	LOG llevInfo, "[ABT] $msg\n";
		3177	LOG llevInfo, "[ABT] [suppressed]\n";
2428	},	3178	}
2429	);	3179	}
		3180
		3181	# load additional modules
		3182	use cf::pod;
2430		3183
2431	END { cf::emergency_save }	3184	END { cf::emergency_save }
2432		3185
2433	1	3186	1
2434		3187

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