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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.122 by root, Tue Jan 2 17:32:24 2007 UTC vs.
Revision 1.283 by root, Sun Jun 24 04:09:29 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3;	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 ();
		26	use Data::Dumper;
20	use Digest::MD5;	27	use Digest::MD5;
21	use Fcntl;	28	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	29	use YAML::Syck ();
		30	use IO::AIO 2.32 ();
24	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
25		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
26	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
27		41
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
30		44
31	$Coro::main->prio (2); # 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
32		46
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		48
35	our %COMMAND = ();	49	our %COMMAND = ();
36	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
38		56
		57	our $RELOAD; # number of reloads so far
39	our @EVENT;	58	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		59
42	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(!)
43	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	76	our $NEXT_TICK;
45	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;
46		82
47	our %CFG;	83	our %CFG;
48		84
49	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	86	our $RUNTIME;
51		87
		88	our %PLAYER; # all users
52	our %MAP; # all maps	89	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;	91
55	our $RANDOM_MAPS = cf::localdir . "/random";	92	# used to convert map paths into valid unix filenames by replacing / by ∕
56	our %EXT_CORO;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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 $tick_start; # for load detecting purposes
57		98
58	binmode STDOUT;	99	binmode STDOUT;
59	binmode STDERR;	100	binmode STDERR;
60		101
61	# read virtual server time, if available	102	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
66	}	107	}
67		108
68	mkdir cf::localdir;	109	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		111
74	# a special map that is always available	112	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		113
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	114	sub cf::map::normalise;
78		115
79	#############################################################################	116	#############################################################################
80		117
81	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
82		119
…		…
89	=item $cf::RUNTIME	126	=item $cf::RUNTIME
90		127
91	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
92	every server tick.	129	every server tick.
93		130
94	=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
95		134
96	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		139
99	=item $cf::NOW	140	=item $cf::NOW
100		141
101	The time of the last (current) server tick.	142	The time of the last (current) server tick.
102		143
103	=item $cf::TICK	144	=item $cf::TICK
104		145
105	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.
106		157
107	=item %cf::CFG	158	=item %cf::CFG
108		159
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	161	from wherever your confdir points to.
		162
		163	=item cf::wait_for_tick, cf::wait_for_tick_begin
		164
		165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		166	returns directly I<after> the tick processing (and consequently, can only wake one process
		167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
111		168
112	=back	169	=back
113		170
114	=cut	171	=cut
115		172
116	BEGIN {	173	BEGIN {
117	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	175	my $msg = join "", @_;
119	utf8::encode $msg;
120		176
121	$msg .= "\n"	177	$msg .= "\n"
122	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
123		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
124	LOG llevError, "cfperl: $msg";	183	LOG llevError, $msg;
125	};	184	};
126	}	185	}
127		186
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@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';
133	@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)
134		194
135	# 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
136	# within the Safe compartment.	196	# within the Safe compartment.
137	for my $pkg (qw(	197	for my $pkg (qw(
138	cf::global cf::attachable	198	cf::global cf::attachable
…		…
147		207
148	$Event::DIED = sub {	208	$Event::DIED = sub {
149	warn "error in event callback: @_";	209	warn "error in event callback: @_";
150	};	210	};
151		211
152	my %ext_pkg;	212	#############################################################################
153	my @exts;
154	my @hook;
155		213
156	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
157		215
158	=over 4	216	=over 4
159		217
160	=cut	218	=item dumpval $ref
161		219
		220	=cut
		221
		222	sub dumpval {
		223	eval {
		224	local $SIG{__DIE__};
		225	my $d;
		226	if (1) {
		227	$d = new Data::Dumper([$_[0]], ["*var"]);
		228	$d->Terse(1);
		229	$d->Indent(2);
		230	$d->Quotekeys(0);
		231	$d->Useqq(1);
		232	#$d->Bless(...);
		233	$d->Seen($_[1]) if @_ > 1;
		234	$d = $d->Dump();
		235	}
		236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		237	$d
		238	} || "[unable to dump $_[0]: '$@']";
		239	}
		240
162	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
163		242
164	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
165		244
166	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
167		246
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
176		248
177	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
178		250
179	=cut
180
181	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	251	=item cf::lock_wait $string
209		252
210	Wait until the given lock is available. See cf::lock_acquire.	253	Wait until the given lock is available. See cf::lock_acquire.
211		254
212	=item my $lock = cf::lock_acquire $string	255	=item my $lock = cf::lock_acquire $string
213		256
214	Wait until the given lock is available and then acquires it and returns	257	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	259	for example when the coroutine gets canceled), the lock is automatically
217	returned.	260	returned.
218		261
219	Lock names should begin with a unique identifier (for example, find_map	262	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	263	uses map_find and cf::map::load uses map_load).
		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
221		268
222	=cut	269	=cut
223		270
224	our %LOCK;	271	our %LOCK;
225		272
…		…
239	# wait, to be sure we are not locked	286	# wait, to be sure we are not locked
240	lock_wait $key;	287	lock_wait $key;
241		288
242	$LOCK{$key} = [];	289	$LOCK{$key} = [];
243		290
244	cf::guard {	291	Coro::guard {
245	# wake up all waiters, to be on the safe side	292	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	293	$_->ready for @{ delete $LOCK{$key} };
247	}	294	}
248	}	295	}
249		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
		301	}
		302
		303	sub freeze_mainloop {
		304	return unless $TICK_WATCHER->is_active;
		305
		306	my $guard = Coro::guard {
		307	$TICK_WATCHER->start;
		308	};
		309	$TICK_WATCHER->stop;
		310	$guard
		311	}
		312
		313	=item cf::async { BLOCK }
		314
		315	Currently the same as Coro::async_pool, meaning you cannot use
		316	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		317	thing you are allowed to do is call C<prio> on it.
		318
		319	=cut
		320
		321	BEGIN { *async = \&Coro::async_pool }
		322
250	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
251		324
252	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
253	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
255		329
256	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
257	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
258	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
259	fast or be very important.	333	fast or be very important.
…		…
262		336
263	sub sync_job(&) {	337	sub sync_job(&) {
264	my ($job) = @_;	338	my ($job) = @_;
265		339
266	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
267	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
269		345
270	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	347	# (but this is cancel-safe)
272	local $FREEZE = 1;	348	my $freeze_guard = freeze_mainloop;
273		349
274	my $busy = 1;	350	my $busy = 1;
275	my @res;	351	my @res;
276		352
277	(Coro::async {	353	(async {
278	@res = eval { $job->() };	354	@res = eval { $job->() };
279	warn $@ if $@;	355	warn $@ if $@;
280	undef $busy;	356	undef $busy;
281	})->prio (Coro::PRIO_MAX);	357	})->prio (Coro::PRIO_MAX);
282		358
283	while ($busy) {	359	while ($busy) {
284	Coro::cede_notself;	360	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	361	}
		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
287		369
288	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
289	} else {	371	} else {
290	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
291		373
292	$job->()	374	$job->()
293	}	375	}
294	}	376	}
295		377
296	=item $coro = cf::coro { BLOCK }	378	=item $coro = cf::async_ext { BLOCK }
297		379
298	Creates and returns a new coro. This coro is automcatially being canceled	380	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	381	extension calling this is being unloaded.
300		382
301	=cut	383	=cut
302		384
303	sub coro(&) {	385	sub async_ext(&) {
304	my $cb = shift;	386	my $cb = shift;
305		387
306	my $coro; $coro = async {	388	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		389
313	$coro->on_destroy (sub {	390	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	391	delete $EXT_CORO{$coro+0};
315	});	392	});
316	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
317		394
318	$coro	395	$coro
319	}	396	}
320		397
321	sub write_runtime {	398	=item fork_call { }, $args
322	my $runtime = cf::localdir . "/runtime";
323		399
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	400	Executes the given code block with the given arguments in a seperate
325	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.
326		404
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	405	=cut
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;
330		406
331	aio_fsync $fh	407	sub fork_call(&@) {
332	and return;	408	my ($cb, @args) = @_;
333		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) {
334	close $fh	416	close $fh2;
335	or return;
336		417
337	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
338	and return;	419	$res = Coro::Storable::thaw $res;
339		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
340	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		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 });
341	}	567	}
342		568
343	=back	569	=back
344		570
345	=cut	571	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		572
467	#############################################################################	573	#############################################################################
468		574
469	=head2 ATTACHABLE OBJECTS	575	=head2 ATTACHABLE OBJECTS
470		576
…		…
472	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")
473	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
474		580
475	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>
476	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
477	crossfire+).	583	Crossfire TRT).
478		584
479	=over 4	585	=over 4
480		586
481	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
482		588
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	702	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	703	our @CB_MAP = ();
598		704
599	my %attachment;	705	my %attachment;
600		706
		707	sub cf::attachable::thawer_merge {
		708	# simply override everything except _meta
		709	local $_[0]{_meta};
		710	%{$_[0]} = %{$_[1]};
		711	}
		712
601	sub _attach_cb($$$$) {	713	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	714	my ($registry, $event, $prio, $cb) = @_;
603		715
604	use sort 'stable';	716	use sort 'stable';
605		717
…		…
639	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
640		752
641	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
642	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
643	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
644	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
645		757
646	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
647	my $pkg = shift @arg;	759	my $pkg = shift @arg;
648		760
649	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
678	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
679	}	791	}
680		792
681	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
682	} else {	794	} else {
683	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
684	}	796	}
685		797
686	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
687	}	799	}
688		800
…		…
690	if (ref $_[0]) {	802	if (ref $_[0]) {
691	_object_attach @_;	803	_object_attach @_;
692	} else {	804	} else {
693	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
694	}	806	}
		807	_recalc_want;
695	};	808	};
696		809
697	# all those should be optimised	810	# all those should be optimised
698	sub cf::attachable::detach {	811	sub cf::attachable::detach {
699	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
702	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
703	reattach ($obj);	816	reattach ($obj);
704	} else {	817	} else {
705	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
706	}	819	}
		820	_recalc_want;
707	};	821	};
708		822
709	sub cf::attachable::attached {	823	sub cf::attachable::attached {
710	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
711		825
…		…
776	# object support	890	# object support
777		891
778	sub reattach {	892	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	893	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	894	my ($obj) = @_;
		895
		896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		897
782	my $registry = $obj->registry;	898	my $registry = $obj->registry;
783		899
784	@$registry = ();	900	@$registry = ();
785		901
…		…
832	$filename, length $$rdata, scalar @$objs;	948	$filename, length $$rdata, scalar @$objs;
833		949
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	951	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	953	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	954	close $fh;
839		955
840	if (@$objs) {	956	if (@$objs) {
841	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) {
842	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	959	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	960	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	962	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	963	aio_rename "$filename.pst~", "$filename.pst";
848	}	964	}
849	} else {	965	} else {
850	aio_unlink "$filename.pst";	966	aio_unlink "$filename.pst";
…		…
882	or return;	998	or return;
883	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
884	}	1000	}
885		1001
886	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
887	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
888	return ($data, $av);	1004	return ($data, $av);
889	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
890		1012
891	#############################################################################	1013	#############################################################################
892	# command handling &c	1014	# command handling &c
893		1015
894	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
907	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
908	}	1030	}
909		1031
910	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
911		1033
912	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.
913		1035
914	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
915	called.	1037	called.
916		1038
917	=cut	1039	=cut
918		1040
919	sub register_extcmd {	1041	sub register_extcmd {
920	my ($name, $cb) = @_;	1042	my ($name, $cb) = @_;
921		1043
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	1044	$EXTCMD{$name} = $cb;
926	}	1045	}
927		1046
928	cf::player->attach (	1047	cf::player->attach (
929	on_command => sub {	1048	on_command => sub {
930	my ($pl, $name, $params) = @_;	1049	my ($pl, $name, $params) = @_;
…		…
943		1062
944	my $msg = eval { from_json $buf };	1063	my $msg = eval { from_json $buf };
945		1064
946	if (ref $msg) {	1065	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	1067	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	1068	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	1069	}
951	}	1070	}
952	} else {	1071	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		1074
956	cf::override;	1075	cf::override;
957	},	1076	},
958	);	1077	);
959		1078
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
		1083	for my $path (<$LIBDIR/*.ext>) {
		1084	next unless -r $path;
		1085
		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;
		1143	}
		1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
		1149	};
		1150	}
		1151
		1152	#############################################################################
		1153
		1154	=back
		1155
		1156	=head2 CORE EXTENSIONS
		1157
		1158	Functions and methods that extend core crossfire objects.
		1159
		1160	=cut
		1161
		1162	package cf::player;
		1163
		1164	use Coro::AIO;
		1165
		1166	=head3 cf::player
		1167
		1168	=over 4
		1169
		1170	=item cf::player::find $login
		1171
		1172	Returns the given player object, loading it if necessary (might block).
		1173
		1174	=cut
		1175
		1176	sub playerdir($) {
		1177	"$PLAYERDIR/"
		1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1179	}
		1180
		1181	sub path($) {
		1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1183
		1184	(playerdir $login) . "/playerdata"
		1185	}
		1186
		1187	sub find_active($) {
		1188	$cf::PLAYER{$_[0]}
		1189	and $cf::PLAYER{$_[0]}->active
		1190	and $cf::PLAYER{$_[0]}
		1191	}
		1192
		1193	sub exists($) {
		1194	my ($login) = @_;
		1195
		1196	$cf::PLAYER{$login}
		1197	or cf::sync_job { !aio_stat path $login }
		1198	}
		1199
		1200	sub find($) {
		1201	return $cf::PLAYER{$_[0]} || do {
		1202	my $login = $_[0];
		1203
		1204	my $guard = cf::lock_acquire "user_find:$login";
		1205
		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
		1214	my $pl = load_pl path $login
		1215	or return;
		1216	$cf::PLAYER{$login} = $pl
		1217	}
		1218	}
		1219	}
		1220
		1221	sub save($) {
		1222	my ($pl) = @_;
		1223
		1224	return if $pl->{deny_save};
		1225
		1226	my $path = path $pl;
		1227	my $guard = cf::lock_acquire "user_save:$path";
		1228
		1229	return if $pl->{deny_save};
		1230
		1231	aio_mkdir playerdir $pl, 0770;
		1232	$pl->{last_save} = $cf::RUNTIME;
		1233
		1234	$pl->save_pl ($path);
		1235	Coro::cede;
		1236	}
		1237
		1238	sub new($) {
		1239	my ($login) = @_;
		1240
		1241	my $self = create;
		1242
		1243	$self->ob->name ($login);
		1244	$self->{deny_save} = 1;
		1245
		1246	$cf::PLAYER{$login} = $self;
		1247
		1248	$self
		1249	}
		1250
		1251	=item $pl->quit_character
		1252
		1253	Nukes the player without looking back. If logged in, the connection will
		1254	be destroyed. May block for a long time.
		1255
		1256	=cut
		1257
		1258	sub quit_character {
		1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
		1262
		1263	$pl->{deny_save} = 1;
		1264	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1265
		1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1267	$pl->deactivate;
		1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1269	$pl->ns->destroy if $pl->ns;
		1270
		1271	my $path = playerdir $pl;
		1272	my $temp = "$path~$cf::RUNTIME~deleting~";
		1273	aio_rename $path, $temp;
		1274	delete $cf::PLAYER{$pl->ob->name};
		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
		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;
		1297	}
		1298
		1299	=item cf::player::list_logins
		1300
		1301	Returns am arrayref of all valid playernames in the system, can take a
		1302	while and may block, so not sync_job-capable, ever.
		1303
		1304	=cut
		1305
		1306	sub list_logins {
		1307	my $dirs = aio_readdir $PLAYERDIR
		1308	or return [];
		1309
		1310	my @logins;
		1311
		1312	for my $login (@$dirs) {
		1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1314	aio_read $fh, 0, 512, my $buf, 0 or next;
		1315	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1316
		1317	utf8::decode $login;
		1318	push @logins, $login;
		1319	}
		1320
		1321	\@logins
		1322	}
		1323
		1324	=item $player->maps
		1325
		1326	Returns an arrayref of map paths that are private for this
		1327	player. May block.
		1328
		1329	=cut
		1330
		1331	sub maps($) {
		1332	my ($pl) = @_;
		1333
		1334	$pl = ref $pl ? $pl->ob->name : $pl;
		1335
		1336	my $files = aio_readdir playerdir $pl
		1337	or return;
		1338
		1339	my @paths;
		1340
		1341	for (@$files) {
		1342	utf8::decode $_;
		1343	next if /\.(?:pl|pst)$/;
		1344	next unless /^$PATH_SEP/o;
		1345
		1346	push @paths, cf::map::normalise "~$pl/$_";
		1347	}
		1348
		1349	\@paths
		1350	}
		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
		1385	=item $player->ext_reply ($msgid, %msg)
		1386
		1387	Sends an ext reply to the player.
		1388
		1389	=cut
		1390
		1391	sub ext_reply($$%) {
		1392	my ($self, $id, %msg) = @_;
		1393
		1394	$msg{msgid} = $id;
		1395
		1396	$self->send ("ext " . cf::to_json \%msg);
		1397	}
		1398
		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($) {
967	my ($path) = @_;	1426	my ($path) = @_;
968		1427
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1428	my ($match, $specificity);
970	my $base = $1;
971	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";
974		1429
975	warn "loading '$path' into '$pkg'\n";	1430	for my $region (list) {
976		1431	if ($region->match && $path =~ $region->match) {
977	open my $fh, "<:utf8", $path	1432	($match, $specificity) = ($region, $region->specificity)
978	or die "$path: $!";	1433	if $region->specificity > $specificity;
979		1434	}
980	my $source =
981	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })
984	. "\n};\n1";
985
986	eval $source
987	or die $@ ? "$path: $@\n"
988	: "extension disabled.\n";
989
990	push @exts, $pkg;
991	$ext_pkg{$base} = $pkg;
992
993	# no strict 'refs';
994	# @{"$pkg\::ISA"} = ext::;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	1435	}
1009		1436
1010	# remove commands	1437	$match
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}
1035
1036	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;
1039	eval {
1040	load_extension $ext;
1041	1
1042	} or warn "$ext not loaded: $@";
1043	}
1044	}
1045
1046	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083
1084	=head2 CORE EXTENSIONS
1085
1086	Functions and methods that extend core crossfire objects.
1087
1088	=head3 cf::player
1089
1090	=over 4
1091
1092	=item cf::player::exists $login
1093
1094	Returns true when the given account exists.
1095
1096	=cut
1097
1098	sub cf::player::exists($) {
1099	cf::player::find $_[0]
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1101	}
1102
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104
1105	Sends an ext reply to the player.
1106
1107	=cut
1108
1109	sub cf::player::ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;
1111
1112	$msg{msgid} = $id;
1113
1114	$self->send ("ext " . to_json \%msg);
1115	}	1438	}
1116		1439
1117	=back	1440	=back
1118
1119		1441
1120	=head3 cf::map	1442	=head3 cf::map
1121		1443
1122	=over 4	1444	=over 4
1123		1445
…		…
1126	package cf::map;	1448	package cf::map;
1127		1449
1128	use Fcntl;	1450	use Fcntl;
1129	use Coro::AIO;	1451	use Coro::AIO;
1130		1452
		1453	use overload
		1454	'""' => \&as_string,
		1455	fallback => 1;
		1456
1131	our $MAX_RESET = 7200;	1457	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1458	our $DEFAULT_RESET = 3000;
1133		1459
1134	sub generate_random_map {	1460	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1461	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1462	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1463	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1467	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1468	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1469	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1470	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1471	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1472	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1473	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1474	(cf::region::find $rmp->{region}), $rmp->{custom}
		1475	)
		1476	}
		1477
		1478	=item cf::map->register ($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
		1486	sub register {
		1487	my (undef, $regex, $prio) = @_;
		1488	my $pkg = caller;
		1489
		1490	no strict;
		1491	push @{"$pkg\::ISA"}, __PACKAGE__;
		1492
		1493	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1494	}
		1495
		1496	# also paths starting with '/'
		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	}
		1508
		1509	sub normalise {
		1510	my ($path, $base) = @_;
		1511
		1512	$path = "$path"; # make sure its a string
		1513
		1514	$path =~ s/\.map$//;
		1515
		1516	# map plan:
		1517	#
		1518	# /! non-realised random map exit (special hack!)
		1519	# {... are special paths that are not being touched
		1520	# ?xxx/... are special absolute paths
		1521	# ?random/... random maps
		1522	# /... normal maps
		1523	# ~user/... per-player map of a specific user
		1524
		1525	$path =~ s/$PATH_SEP/\//go;
		1526
		1527	# treat it as relative path if it starts with
		1528	# something that looks reasonable
		1529	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1530	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1531
		1532	$base =~ s{[^/]+/?$}{};
		1533	$path = "$base/$path";
		1534	}
		1535
		1536	for ($path) {
		1537	redo if s{//}{/};
		1538	redo if s{/\.?/}{/};
		1539	redo if s{/[^/]+/\.\./}{/};
		1540	}
		1541
		1542	$path
		1543	}
		1544
		1545	sub new_from_path {
		1546	my (undef, $path, $base) = @_;
		1547
		1548	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1549
		1550	$path = normalise $path, $base;
		1551
		1552	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1553	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1554	my $self = bless cf::map::new, $pkg;
		1555	$self->{path} = $path; $self->path ($path);
		1556	$self->init; # pass $1 etc.
		1557	return $self;
		1558	}
		1559	}
		1560
		1561	Carp::carp "unable to resolve path '$path' (base '$base').";
		1562	()
		1563	}
		1564
		1565	sub init {
		1566	my ($self) = @_;
		1567
		1568	$self
		1569	}
		1570
		1571	sub as_string {
		1572	my ($self) = @_;
		1573
		1574	"$self->{path}"
		1575	}
		1576
		1577	# the displayed name, this is a one way mapping
		1578	sub visible_name {
		1579	&as_string
		1580	}
		1581
		1582	# the original (read-only) location
		1583	sub load_path {
		1584	my ($self) = @_;
		1585
		1586	"$MAPDIR/$self->{path}.map"
		1587	}
		1588
		1589	# the temporary/swap location
		1590	sub save_path {
		1591	my ($self) = @_;
		1592
		1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1594	"$TMPDIR/$path.map"
		1595	}
		1596
		1597	# the unique path, undef == no special unique path
		1598	sub uniq_path {
		1599	my ($self) = @_;
		1600
		1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1602	"$UNIQUEDIR/$path"
1151	}	1603	}
1152		1604
1153	# and all this just because we cannot iterate over	1605	# and all this just because we cannot iterate over
1154	# all maps in C++...	1606	# all maps in C++...
1155	sub change_all_map_light {	1607	sub change_all_map_light {
…		…
1157		1609
1158	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1611	for grep $_->outdoor, values %cf::MAP;
1160	}	1612	}
1161		1613
		1614	sub decay_objects {
		1615	my ($self) = @_;
		1616
		1617	return if $self->{deny_reset};
		1618
		1619	$self->do_decay_objects;
		1620	}
		1621
		1622	sub unlink_save {
		1623	my ($self) = @_;
		1624
		1625	utf8::encode (my $save = $self->save_path);
		1626	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1627	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1628	}
		1629
1162	sub try_load_header($) {	1630	sub load_header_from($) {
1163	my ($path) = @_;	1631	my ($self, $path) = @_;
1164		1632
1165	utf8::encode $path;	1633	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1634	#aio_open $path, O_RDONLY, 0
		1635	# or return;
		1636
		1637	$self->_load_header ($path)
1167	or return;	1638	or return;
1168		1639
1169	my $map = cf::map::new	1640	$self->{load_path} = $path;
		1641
		1642	1
		1643	}
		1644
		1645	sub load_header_orig {
		1646	my ($self) = @_;
		1647
		1648	$self->load_header_from ($self->load_path)
		1649	}
		1650
		1651	sub load_header_temp {
		1652	my ($self) = @_;
		1653
		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	$self->instantiate;
		1674	}
		1675
		1676	sub load_header {
		1677	my ($self) = @_;
		1678
		1679	if ($self->load_header_temp) {
		1680	$self->prepare_temp;
		1681	} else {
		1682	$self->load_header_orig
1170	or return;	1683	or return;
		1684	$self->prepare_orig;
		1685	}
1171		1686
1172	$map->load_header ($path)	1687	$self->{deny_reset} = 1
1173	or return;	1688	if $self->no_reset;
1174		1689
1175	$map->{load_path} = $path;	1690	$self->default_region (cf::region::find_by_path $self->{path})
		1691	unless $self->default_region;
1176		1692
1177	$map	1693	1
1178	}	1694	}
1179		1695
		1696	sub find;
1180	sub find_map {	1697	sub find {
1181	my ($path, $origin) = @_;	1698	my ($path, $origin) = @_;
1182		1699
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1700	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1701
1188	cf::lock_wait "map_find:$key";	1702	cf::lock_wait "map_find:$path";
1189		1703
1190	$cf::MAP{$key} || do {	1704	$cf::MAP{$path} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1705	my $guard = cf::lock_acquire "map_find:$path";
1192		1706	my $map = new_from_path cf::map $path
1193	# do it the slow way
1194	my $map = try_load_header $path->save_path;
1195
1196	if ($map) {
1197	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {
1201	if (my $rmp = $path->random_map_params) {
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1707	or return;
1208		1708
1209	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		1710
1222	if ($map->should_reset) {	1711	$map->load_header
		1712	or return;
		1713
		1714	if ($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;
1223	$map->reset;	1717	$map->reset;
1224	$map = find_map $path;	1718	undef $guard;
		1719	return find $path;
1225	}	1720	}
1226		1721
1227	$cf::MAP{$key} = $map	1722	$cf::MAP{$path} = $map
1228	}	1723	}
1229	}	1724	}
		1725
		1726	sub pre_load { }
		1727	sub post_load { }
1230		1728
1231	sub load {	1729	sub load {
1232	my ($self) = @_;	1730	my ($self) = @_;
1233		1731
		1732	local $self->{deny_reset} = 1; # loading can take a long time
		1733
1234	my $path = $self->{path};	1734	my $path = $self->{path};
		1735
		1736	{
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1737	my $guard = cf::lock_acquire "map_load:$path";
1236		1738
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1739	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1740
1239	$self->in_memory (cf::MAP_LOADING);	1741	$self->in_memory (cf::MAP_LOADING);
1240		1742
1241	$self->alloc;	1743	$self->alloc;
		1744
		1745	$self->pre_load;
		1746	Coro::cede;
		1747
1242	$self->load_objects ($self->{load_path}, 1)	1748	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1749	or return;
1244		1750
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1752	if delete $self->{load_original};
1247		1753
1248	if (my $uniq = $path->uniq_path) {	1754	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1755	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1756	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1757	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1758	$self->_load_objects ($uniq, 0);
1253	}	1759	}
1254	}	1760	}
1255		1761
		1762	Coro::cede;
1256	# now do the right thing for maps	1763	# now do the right thing for maps
1257	$self->link_multipart_objects;	1764	$self->link_multipart_objects;
1258
1259	if ($self->{path}->is_style_map) {
1260	$self->{deny_save} = 1;
1261	$self->{deny_reset} = 1;
1262	} else {
1263	$self->fix_auto_apply;
1264	$self->decay_objects;
1265	$self->update_buttons;
1266	$self->set_darkness_map;
1267	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1268	unless $self->difficulty;	1766	unless $self->difficulty;
		1767	Coro::cede;
		1768
		1769	unless ($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;
1269	$self->activate;	1776	$self->activate;
1270	}	1777	}
1271		1778
1272	$self->in_memory (cf::MAP_IN_MEMORY);	1779	$self->in_memory (cf::MAP_IN_MEMORY);
1273	}	1780	}
1274		1781
1275	sub load_map_sync {	1782	$self->post_load;
		1783	}
		1784
		1785	sub customise_for {
		1786	my ($self, $ob) = @_;
		1787
		1788	return find "~" . $ob->name . "/" . $self->{path}
		1789	if $self->per_player;
		1790
		1791	# return find "?party/" . $ob->name . "/" . $self->{path}
		1792	# if $self->per_party;
		1793
		1794	$self
		1795	}
		1796
		1797	# find and load all maps in the 3x3 area around a map
		1798	sub load_diag {
		1799	my ($map) = @_;
		1800
		1801	my @diag; # diagonal neighbours
		1802
		1803	for (0 .. 3) {
		1804	my $neigh = $map->tile_path ($_)
		1805	or next;
		1806	$neigh = find $neigh, $map
		1807	or next;
		1808	$neigh->load;
		1809
		1810	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1811	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1812	}
		1813
		1814	for (@diag) {
		1815	my $neigh = find @$_
		1816	or next;
		1817	$neigh->load;
		1818	}
		1819	}
		1820
		1821	sub find_sync {
1276	my ($path, $origin) = @_;	1822	my ($path, $origin) = @_;
1277		1823
1278	#warn "load_map_sync<$path, $origin>\n";#d#	1824	cf::sync_job { find $path, $origin }
		1825	}
1279		1826
1280	cf::sync_job {	1827	sub do_load_sync {
1281	my $map = cf::map::find_map $path, $origin	1828	my ($map) = @_;
1282	or return;	1829
		1830	cf::sync_job { $map->load };
		1831	}
		1832
		1833	our %MAP_PREFETCH;
		1834	our $MAP_PREFETCHER = undef;
		1835
		1836	sub find_async {
		1837	my ($path, $origin) = @_;
		1838
		1839	$path = normalise $path, $origin && $origin->{path};
		1840
		1841	if (my $map = $cf::MAP{$path}) {
		1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1843	}
		1844
		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;
1283	$map->load;	1851	$map->load;
1284	$map	1852
		1853	delete $MAP_PREFETCH{$path};
		1854	}
		1855	}
		1856	undef $MAP_PREFETCHER;
1285	}	1857	};
		1858	$MAP_PREFETCHER->prio (6);
		1859
		1860	()
1286	}	1861	}
1287		1862
1288	sub save {	1863	sub save {
1289	my ($self) = @_;	1864	my ($self) = @_;
1290		1865
		1866	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1867
1291	$self->{last_save} = $cf::RUNTIME;	1868	$self->{last_save} = $cf::RUNTIME;
1292		1869
1293	return unless $self->dirty;	1870	return unless $self->dirty;
1294		1871
1295	my $save = $self->{path}->save_path; utf8::encode $save;	1872	my $save = $self->save_path; utf8::encode $save;
1296	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1873	my $uniq = $self->uniq_path; utf8::encode $uniq;
1297		1874
1298	$self->{load_path} = $save;	1875	$self->{load_path} = $save;
1299		1876
1300	return if $self->{deny_save};	1877	return if $self->{deny_save};
1301		1878
		1879	local $self->{last_access} = $self->last_access;#d#
		1880
		1881	cf::async {
		1882	$_->contr->save for $self->players;
		1883	};
		1884
1302	if ($uniq) {	1885	if ($uniq) {
1303	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1304	$self->save_objects ($uniq, cf::IO_UNIQUES);	1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1305	} else {	1888	} else {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1889	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1307	}	1890	}
1308	}	1891	}
1309		1892
1310	sub swap_out {	1893	sub swap_out {
1311	my ($self) = @_;	1894	my ($self) = @_;
		1895
		1896	# save first because save cedes
		1897	$self->save;
		1898
		1899	my $lock = cf::lock_acquire "map_data:" . $self->path;
1312		1900
1313	return if $self->players;	1901	return if $self->players;
1314	return if $self->in_memory != cf::MAP_IN_MEMORY;	1902	return if $self->in_memory != cf::MAP_IN_MEMORY;
1315	return if $self->{deny_save};	1903	return if $self->{deny_save};
1316		1904
1317	$self->save;
1318	$self->clear;	1905	$self->clear;
1319	$self->in_memory (cf::MAP_SWAPPED);	1906	$self->in_memory (cf::MAP_SWAPPED);
1320	}	1907	}
1321		1908
1322	sub reset_at {	1909	sub reset_at {
1323	my ($self) = @_;	1910	my ($self) = @_;
1324		1911
1325	# TODO: safety, remove and allow resettable per-player maps	1912	# TODO: safety, remove and allow resettable per-player maps
1326	return 1e99 if $self->{path}{user_rel};
1327	return 1e99 if $self->{deny_reset};	1913	return 1e99 if $self->{deny_reset};
1328		1914
1329	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1330	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1331		1917
…		…
1336	my ($self) = @_;	1922	my ($self) = @_;
1337		1923
1338	$self->reset_at <= $cf::RUNTIME	1924	$self->reset_at <= $cf::RUNTIME
1339	}	1925	}
1340		1926
1341	sub unlink_save {
1342	my ($self) = @_;
1343
1344	utf8::encode (my $save = $self->{path}->save_path);
1345	aioreq_pri 3; IO::AIO::aio_unlink $save;
1346	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1347	}
1348
1349	sub rename {
1350	my ($self, $new_path) = @_;
1351
1352	$self->unlink_save;
1353
1354	delete $cf::MAP{$self->path};
1355	$self->{path} = new cf::path $new_path;
1356	$self->path ($self->{path}->as_string);
1357	$cf::MAP{$self->path} = $self;
1358
1359	$self->save;
1360	}
1361
1362	sub reset {	1927	sub reset {
1363	my ($self) = @_;	1928	my ($self) = @_;
1364		1929
		1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1931
1365	return if $self->players;	1932	return if $self->players;
1366	return if $self->{path}{user_rel};#d#
1367		1933
1368	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	}
1369		1945
1370	delete $cf::MAP{$self->path};	1946	delete $cf::MAP{$self->path};
		1947
		1948	$self->clear;
1371		1949
1372	$_->clear_links_to ($self) for values %cf::MAP;	1950	$_->clear_links_to ($self) for values %cf::MAP;
1373		1951
1374	$self->unlink_save;	1952	$self->unlink_save;
1375	$self->destroy;	1953	$self->destroy;
…		…
1378	my $nuke_counter = "aaaa";	1956	my $nuke_counter = "aaaa";
1379		1957
1380	sub nuke {	1958	sub nuke {
1381	my ($self) = @_;	1959	my ($self) = @_;
1382		1960
		1961	delete $cf::MAP{$self->path};
		1962
		1963	$self->unlink_save;
		1964
		1965	bless $self, "cf::map";
		1966	delete $self->{deny_reset};
1383	$self->{deny_save} = 1;	1967	$self->{deny_save} = 1;
1384	$self->reset_timeout (1);	1968	$self->reset_timeout (1);
1385	$self->rename ("{nuke}/" . ($nuke_counter++));	1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1970
		1971	$cf::MAP{$self->path} = $self;
		1972
1386	$self->reset; # polite request, might not happen	1973	$self->reset; # polite request, might not happen
1387	}	1974	}
1388		1975
1389	sub customise_for {	1976	=item $maps = cf::map::tmp_maps
1390	my ($map, $ob) = @_;
1391		1977
1392	if ($map->per_player) {	1978	Returns an arrayref with all map paths of currently instantiated and saved
1393	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1979	maps. May block.
		1980
		1981	=cut
		1982
		1983	sub tmp_maps() {
1394	}	1984	[
1395		1985	map {
1396	$map	1986	utf8::decode $_;
		1987	/\.map$/
		1988	? normalise $_
		1989	: ()
		1990	} @{ aio_readdir $TMPDIR or [] }
		1991	]
1397	}	1992	}
1398		1993
1399	sub emergency_save {	1994	=item $maps = cf::map::random_maps
1400	local $cf::FREEZE = 1;
1401		1995
1402	warn "enter emergency map save\n";	1996	Returns an arrayref with all map paths of currently instantiated and saved
		1997	random maps. May block.
1403		1998
1404	cf::sync_job {	1999	=cut
1405	warn "begin emergency map save\n";
1406	$_->save for values %cf::MAP;
1407	};
1408		2000
1409	warn "end emergency map save\n";	2001	sub random_maps() {
		2002	[
		2003	map {
		2004	utf8::decode $_;
		2005	/\.map$/
		2006	? normalise "?random/$_"
		2007	: ()
		2008	} @{ aio_readdir $RANDOMDIR or [] }
		2009	]
		2010	}
		2011
		2012	=item cf::map::unique_maps
		2013
		2014	Returns an arrayref of paths of all shared maps that have
		2015	instantiated unique items. May block.
		2016
		2017	=cut
		2018
		2019	sub unique_maps() {
		2020	[
		2021	map {
		2022	utf8::decode $_;
		2023	/\.map$/
		2024	? normalise $_
		2025	: ()
		2026	} @{ aio_readdir $UNIQUEDIR or [] }
		2027	]
1410	}	2028	}
1411		2029
1412	package cf;	2030	package cf;
1413		2031
1414	=back	2032	=back
1415		2033
		2034	=head3 cf::object
		2035
		2036	=cut
		2037
		2038	package cf::object;
		2039
		2040	=over 4
		2041
		2042	=item $ob->inv_recursive
		2043
		2044	Returns the inventory of the object _and_ their inventories, recursively.
		2045
		2046	=cut
		2047
		2048	sub inv_recursive_;
		2049	sub inv_recursive_ {
		2050	map { $_, inv_recursive_ $_->inv } @_
		2051	}
		2052
		2053	sub inv_recursive {
		2054	inv_recursive_ inv $_[0]
		2055	}
		2056
		2057	package cf;
		2058
		2059	=back
1416		2060
1417	=head3 cf::object::player	2061	=head3 cf::object::player
1418		2062
1419	=over 4	2063	=over 4
1420		2064
…		…
1434		2078
1435	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1436		2080
1437	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1438	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1439	} 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 {
1440	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1441	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1442	}	2100	}
1443	}	2101	}
1444		2102
1445	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1446		2104
…		…
1460		2118
1461	=item $player_object->enter_link	2119	=item $player_object->enter_link
1462		2120
1463	Freezes the player and moves him/her to a special map (C<{link}>).	2121	Freezes the player and moves him/her to a special map (C<{link}>).
1464		2122
1465	The player should be reaosnably safe there for short amounts of time. You	2123	The player should be reasonably safe there for short amounts of time. You
1466	I<MUST> call C<leave_link> as soon as possible, though.	2124	I<MUST> call C<leave_link> as soon as possible, though.
1467		2125
		2126	Will never block.
		2127
1468	=item $player_object->leave_link ($map, $x, $y)	2128	=item $player_object->leave_link ($map, $x, $y)
1469		2129
1470	Moves the player out of the specila link map onto the given map. If the	2130	Moves the player out of the special C<{link}> map onto the specified
1471	map is not valid (or omitted), the player will be moved back to the	2131	map. If the map is not valid (or omitted), the player will be moved back
1472	location he/she was before the call to C<enter_link>, or, if that fails,	2132	to the location he/she was before the call to C<enter_link>, or, if that
1473	to the emergency map position.	2133	fails, to the emergency map position.
1474		2134
1475	Might block.	2135	Might block.
1476		2136
1477	=cut	2137	=cut
		2138
		2139	sub link_map {
		2140	unless ($LINK_MAP) {
		2141	$LINK_MAP = cf::map::find "{link}"
		2142	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2143	$LINK_MAP->load;
		2144	}
		2145
		2146	$LINK_MAP
		2147	}
1478		2148
1479	sub cf::object::player::enter_link {	2149	sub cf::object::player::enter_link {
1480	my ($self) = @_;	2150	my ($self) = @_;
1481		2151
1482	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
1483		2153
1484	return if $self->map == $LINK_MAP;	2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
1485		2155
1486	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1487	if $self->map;	2157	if $self->map && $self->map->{path} ne "{link}";
1488		2158
1489	$self->enter_map ($LINK_MAP, 20, 20);	2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1490	}	2160	}
1491		2161
1492	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1493	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1494		2166
1495	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1496		2168
1497	unless ($map) {	2169	unless ($map) {
1498	# restore original map position	2170	# restore original map position
1499	($map, $x, $y) = @{ $link_pos || [] };	2171	($map, $x, $y) = @{ $link_pos || [] };
1500	$map = cf::map::find_map $map;	2172	$map = cf::map::find $map;
1501		2173
1502	unless ($map) {	2174	unless ($map) {
1503	($map, $x, $y) = @$EMERGENCY_POSITION;	2175	($map, $x, $y) = @$EMERGENCY_POSITION;
1504	$map = cf::map::find_map $map	2176	$map = cf::map::find $map
1505	or die "FATAL: cannot load emergency map\n";	2177	or die "FATAL: cannot load emergency map\n";
1506	}	2178	}
1507	}	2179	}
1508		2180
1509	($x, $y) = (-1, -1)	2181	($x, $y) = (-1, -1)
…		…
1512	# use -1 or undef as default coordinates, not 0, 0	2184	# use -1 or undef as default coordinates, not 0, 0
1513	($x, $y) = ($map->enter_x, $map->enter_y)	2185	($x, $y) = ($map->enter_x, $map->enter_y)
1514	if $x <=0 && $y <= 0;	2186	if $x <=0 && $y <= 0;
1515		2187
1516	$map->load;	2188	$map->load;
		2189	$map->load_diag;
1517		2190
		2191	return unless $self->contr->active;
1518	$self->activate_recursive;	2192	$self->activate_recursive;
		2193
		2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1519	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1520	}	2196	}
1521		2197
1522	cf::player->attach (
1523	on_logout => sub {
1524	my ($pl) = @_;
1525
1526	# abort map switching before logout
1527	if ($pl->ob->{_link_pos}) {
1528	cf::sync_job {
1529	$pl->ob->leave_link
1530	};
1531	}
1532	},
1533	on_login => sub {
1534	my ($pl) = @_;
1535
1536	# try to abort aborted map switching on player login :)
1537	# should happen only on crashes
1538	if ($pl->ob->{_link_pos}) {
1539	$pl->ob->enter_link;
1540	Coro::async {
1541	# we need this sleep as the login has a concurrent enter_exit running
1542	# and this sleep increases chances of the player not ending up in scorn
1543	Coro::Timer::sleep 1;
1544	$pl->ob->leave_link;
1545	};
1546	}
1547	},
1548	);
1549
1550	=item $player_object->goto_map ($path, $x, $y)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1551		2199
1552	=cut	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.
1553		2204
		2205	=cut
		2206
		2207	our $GOTOGEN;
		2208
1554	sub cf::object::player::goto_map {	2209	sub cf::object::player::goto {
1555	my ($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;
1556		2214
1557	$self->enter_link;	2215	$self->enter_link;
1558		2216
1559	(Coro::async {	2217	(async {
1560	$path = new cf::path $path;	2218	my $map = eval {
1561
1562	my $map = cf::map::find_map $path->as_string;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1563	$map = $map->customise_for ($self) if $map;	2222	$map = $map->customise_for ($self);
1564		2223	$map = $check->($map) if $check && $map;
1565	# warn "entering ", $map->path, " at ($x, $y)\n"	2224	} else {
1566	# if $map;
1567
1568	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2226	}
1569		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};
1570	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1571	})->prio (1);	2240	})->prio (1);
1572	}	2241	}
1573		2242
1574	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1575		2244
…		…
1577		2246
1578	sub parse_random_map_params {	2247	sub parse_random_map_params {
1579	my ($spec) = @_;	2248	my ($spec) = @_;
1580		2249
1581	my $rmp = { # defaults	2250	my $rmp = { # defaults
1582	xsize => 10,	2251	xsize => (cf::rndm 15, 40),
1583	ysize => 10,	2252	ysize => (cf::rndm 15, 40),
		2253	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2254	#layout => string,
1584	};	2255	};
1585		2256
1586	for (split /\n/, $spec) {	2257	for (split /\n/, $spec) {
1587	my ($k, $v) = split /\s+/, $_, 2;	2258	my ($k, $v) = split /\s+/, $_, 2;
1588		2259
…		…
1592	$rmp	2263	$rmp
1593	}	2264	}
1594		2265
1595	sub prepare_random_map {	2266	sub prepare_random_map {
1596	my ($exit) = @_;	2267	my ($exit) = @_;
		2268
		2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
1597		2270
1598	# all this does is basically replace the /! path by	2271	# all this does is basically replace the /! path by
1599	# a new random map path (?random/...) with a seed	2272	# a new random map path (?random/...) with a seed
1600	# that depends on the exit object	2273	# that depends on the exit object
1601		2274
1602	my $rmp = parse_random_map_params $exit->msg;	2275	my $rmp = parse_random_map_params $exit->msg;
1603		2276
1604	if ($exit->map) {	2277	if ($exit->map) {
1605	$rmp->{region} = $exit->map->region_name;	2278	$rmp->{region} = $exit->region->name;
1606	$rmp->{origin_map} = $exit->map->path;	2279	$rmp->{origin_map} = $exit->map->path;
1607	$rmp->{origin_x} = $exit->x;	2280	$rmp->{origin_x} = $exit->x;
1608	$rmp->{origin_y} = $exit->y;	2281	$rmp->{origin_y} = $exit->y;
1609	}	2282	}
1610		2283
1611	$rmp->{random_seed} ||= $exit->random_seed;	2284	$rmp->{random_seed} ||= $exit->random_seed;
1612		2285
1613	my $data = cf::to_json $rmp;	2286	my $data = cf::to_json $rmp;
1614	my $md5 = Digest::MD5::md5_hex $data;	2287	my $md5 = Digest::MD5::md5_hex $data;
		2288	my $meta = "$RANDOMDIR/$md5.meta";
1615		2289
1616	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) {
1617	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;
1618		2294
1619	$exit->slaying ("?random/$md5");	2295	$exit->slaying ("?random/$md5");
1620	$exit->msg (undef);	2296	$exit->msg (undef);
1621	}	2297	}
1622	}	2298	}
…		…
1624	sub cf::object::player::enter_exit {	2300	sub cf::object::player::enter_exit {
1625	my ($self, $exit) = @_;	2301	my ($self, $exit) = @_;
1626		2302
1627	return unless $self->type == cf::PLAYER;	2303	return unless $self->type == cf::PLAYER;
1628		2304
		2305	if ($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;
		2315
1629	$self->enter_link;	2316	$self->enter_link;
1630		2317
1631	(Coro::async {	2318	(async {
		2319	$self->deactivate_recursive; # just to be sure
1632	unless (eval {	2320	unless (eval {
1633		2321	$self->goto ($slaying, $hp, $sp);
1634	prepare_random_map $exit
1635	if $exit->slaying eq "/!";
1636
1637	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1638	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1639		2322
1640	1;	2323	1;
1641	}) {	2324	}) {
1642	$self->message ("Something went wrong deep within the crossfire server. "	2325	$self->message ("Something went wrong deep within the crossfire server. "
1643	. "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. "
1644	. "Please report this to the dungeon master",	2327	. "Please report this to the dungeon master!",
1645	cf::NDI_UNIQUE | cf::NDI_RED);	2328	cf::NDI_UNIQUE | cf::NDI_RED);
1646		2329
1647	warn "ERROR in enter_exit: $@";	2330	warn "ERROR in enter_exit: $@";
1648	$self->leave_link;	2331	$self->leave_link;
1649	}	2332	}
1650	})->prio (1);	2333	})->prio (1);
…		…
1663		2346
1664	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
1665	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
1666		2349
1667	utf8::encode $text;	2350	utf8::encode $text;
1668	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1669	}	2352	}
1670		2353
		2354	=item $client->send_msg ($color, $type, $msg, [extra...])
		2355
		2356	Send a drawinfo or msg packet to the client, formatting the msg for the
		2357	client if neccessary. C<$type> should be a string identifying the type of
		2358	the message, with C<log> being the default. If C<$color> is negative, suppress
		2359	the message unless the client supports the msg packet.
		2360
		2361	=cut
		2362
		2363	sub cf::client::send_msg {
		2364	my ($self, $color, $type, $msg, @extra) = @_;
		2365
		2366	$msg = $self->pl->expand_cfpod ($msg);
		2367
		2368	if ($self->can_msg) {
		2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2370	} else {
		2371	# replace some tags by gcfclient-compatible ones
		2372	for ($msg) {
		2373	1 while
		2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${1}[\/color]/;
		2379	}
		2380
		2381	if ($color >= 0) {
		2382	if ($msg =~ /\[/) {
		2383	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2384	} else {
		2385	$self->send_packet ("drawinfo $color $msg")
		2386	}
		2387	}
		2388	}
		2389	}
		2390
		2391	=item $client->ext_event ($type, %msg)
		2392
		2393	Sends an exti event to the client.
		2394
		2395	=cut
		2396
		2397	sub cf::client::ext_event($$%) {
		2398	my ($self, $type, %msg) = @_;
		2399
		2400	$msg{msgtype} = "event_$type";
		2401	$self->send_packet ("ext " . cf::to_json \%msg);
		2402	}
1671		2403
1672	=item $success = $client->query ($flags, "text", \&cb)	2404	=item $success = $client->query ($flags, "text", \&cb)
1673		2405
1674	Queues a query to the client, calling the given callback with	2406	Queues a query to the client, calling the given callback with
1675	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2407	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1700	on_reply => sub {	2432	on_reply => sub {
1701	my ($ns, $msg) = @_;	2433	my ($ns, $msg) = @_;
1702		2434
1703	# this weird shuffling is so that direct followup queries	2435	# this weird shuffling is so that direct followup queries
1704	# get handled first	2436	# get handled first
1705	my $queue = delete $ns->{query_queue};	2437	my $queue = delete $ns->{query_queue}
		2438	or return; # be conservative, not sure how that can happen, but we saw a crash here
1706		2439
1707	(shift @$queue)->[1]->($msg);	2440	(shift @$queue)->[1]->($msg);
		2441	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1708		2442
1709	push @{ $ns->{query_queue} }, @$queue;	2443	push @{ $ns->{query_queue} }, @$queue;
1710		2444
1711	if (@{ $ns->{query_queue} } == @$queue) {	2445	if (@{ $ns->{query_queue} } == @$queue) {
1712	if (@$queue) {	2446	if (@$queue) {
…		…
1716	}	2450	}
1717	}	2451	}
1718	},	2452	},
1719	);	2453	);
1720		2454
1721	=item $client->coro (\&cb)	2455	=item $client->async (\&cb)
1722		2456
1723	Create a new coroutine, running the specified callback. The coroutine will	2457	Create a new coroutine, running the specified callback. The coroutine will
1724	be automatically cancelled when the client gets destroyed (e.g. on logout,	2458	be automatically cancelled when the client gets destroyed (e.g. on logout,
1725	or loss of connection).	2459	or loss of connection).
1726		2460
1727	=cut	2461	=cut
1728		2462
1729	sub cf::client::coro {	2463	sub cf::client::async {
1730	my ($self, $cb) = @_;	2464	my ($self, $cb) = @_;
1731		2465
1732	my $coro; $coro = async {	2466	my $coro = &Coro::async ($cb);
1733	eval {
1734	$cb->();
1735	};
1736	warn $@ if $@;
1737	};
1738		2467
1739	$coro->on_destroy (sub {	2468	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2469	delete $self->{_coro}{$coro+0};
1741	});	2470	});
1742		2471
…		…
1775		2504
1776	# here we export the classes and methods available to script code	2505	# here we export the classes and methods available to script code
1777		2506
1778	=pod	2507	=pod
1779		2508
1780	The following fucntions and emthods are available within a safe environment:	2509	The following functions and methods are available within a safe environment:
1781		2510
1782	cf::object contr pay_amount pay_player map	2511	cf::object contr pay_amount pay_player map
1783	cf::object::player player	2512	cf::object::player player
1784	cf::player peaceful	2513	cf::player peaceful
1785	cf::map trigger	2514	cf::map trigger
…		…
1866	=back	2595	=back
1867		2596
1868	=cut	2597	=cut
1869		2598
1870	#############################################################################	2599	#############################################################################
		2600	# the server's init and main functions
1871		2601
1872	=head2 EXTENSION DATABASE SUPPORT	2602	sub load_facedata($) {
		2603	my ($path) = @_;
1873		2604
1874	Crossfire maintains a very simple database for extension use. It can	2605	warn "loading facedata from $path\n";
1875	currently store anything that can be serialised using Storable, which
1876	excludes objects.
1877		2606
1878	The parameter C<$family> should best start with the name of the extension	2607	my $facedata;
1879	using it, it should be unique.	2608	0 < aio_load $path, $facedata
		2609	or die "$path: $!";
1880		2610
1881	=over 4	2611	$facedata = Coro::Storable::thaw $facedata;
1882		2612
1883	=item $hashref = cf::db_get $family	2613	$facedata->{version} == 2
		2614	or cf::cleanup "$path: version mismatch, cannot proceed.";
1884		2615
1885	Return a hashref for use by the extension C<$family>, which can be
1886	modified. After modifications, you have to call C<cf::db_dirty> or
1887	C<cf::db_sync>.
1888
1889	=item $value = cf::db_get $family => $key
1890
1891	Returns a single value from the database
1892
1893	=item cf::db_put $family => $hashref
1894
1895	Stores the given family hashref into the database. Updates are delayed, if
1896	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1897
1898	=item cf::db_put $family => $key => $value
1899
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you
1901	want the data to be synced to disk immediately, use C<cf::db_sync>.
1902
1903	=item cf::db_dirty
1904
1905	Marks the database as dirty, to be updated at a later time.
1906
1907	=item cf::db_sync
1908
1909	Immediately write the database to disk I<if it is dirty>.
1910
1911	=cut
1912
1913	our $DB;
1914
1915	{
1916	my $path = cf::localdir . "/database.pst";
1917
1918	sub db_load() {
1919	$DB = stat $path ? Storable::retrieve $path : { };
1920	}	2616	{
		2617	my $faces = $facedata->{faceinfo};
1921		2618
1922	my $pid;	2619	while (my ($face, $info) = each %$faces) {
1923		2620	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1924	sub db_save() {	2621	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
1925	waitpid $pid, 0 if $pid;	2622	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
1926	if (0 == ($pid = fork)) {	2623	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
1927	$DB->{_meta}{version} = 1;	2624	Coro::cede;
1928	Storable::nstore $DB, "$path~";
1929	rename "$path~", $path;
1930	cf::_exit 0 if defined $pid;
1931	}
1932	}
1933
1934	my $dirty;
1935
1936	sub db_sync() {
1937	db_save if $dirty;
1938	undef $dirty;
1939	}
1940
1941	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1942	db_sync;
1943	});
1944
1945	sub db_dirty() {
1946	$dirty = 1;
1947	$idle->start;
1948	}
1949
1950	sub db_get($;$) {
1951	@_ >= 2
1952	? $DB->{$_[0]}{$_[1]}
1953	: ($DB->{$_[0]} ||= { })
1954	}
1955
1956	sub db_put($$;$) {
1957	if (@_ >= 3) {
1958	$DB->{$_[0]}{$_[1]} = $_[2];
1959	} else {
1960	$DB->{$_[0]} = $_[1];
1961	}
1962	db_dirty;
1963	}
1964
1965	cf::global->attach (
1966	prio => 10000,
1967	on_cleanup => sub {
1968	db_sync;
1969	},	2625	}
1970	);
1971	}
1972		2626
1973	#############################################################################	2627	while (my ($face, $info) = each %$faces) {
1974	# the server's main()	2628	next unless $info->{smooth};
		2629	my $idx = cf::face::find $face
		2630	or next;
		2631	if (my $smooth = cf::face::find $info->{smooth}) {
		2632	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2633	} else {
		2634	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2635	}
		2636	Coro::cede;
		2637	}
		2638	}
		2639
		2640	{
		2641	my $anims = $facedata->{animinfo};
		2642
		2643	while (my ($anim, $info) = each %$anims) {
		2644	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2645	Coro::cede;
		2646	}
		2647
		2648	cf::anim::invalidate_all; # d'oh
		2649	}
		2650
		2651	1
		2652	}
		2653
		2654	sub reload_regions {
		2655	load_resource_file "$MAPDIR/regions"
		2656	or die "unable to load regions file\n";
		2657	}
		2658
		2659	sub reload_facedata {
		2660	load_facedata "$DATADIR/facedata"
		2661	or die "unable to load facedata\n";
		2662	}
		2663
		2664	sub reload_archetypes {
		2665	load_resource_file "$DATADIR/archetypes"
		2666	or die "unable to load archetypes\n";
		2667	}
		2668
		2669	sub reload_treasures {
		2670	load_resource_file "$DATADIR/treasures"
		2671	or die "unable to load treasurelists\n";
		2672	}
		2673
		2674	sub reload_resources {
		2675	warn "reloading resource files...\n";
		2676
		2677	reload_regions;
		2678	reload_facedata;
		2679	#reload_archetypes;#d#
		2680	reload_archetypes;
		2681	reload_treasures;
		2682
		2683	warn "finished reloading resource files\n";
		2684	}
		2685
		2686	sub init {
		2687	reload_resources;
		2688	}
1975		2689
1976	sub cfg_load {	2690	sub cfg_load {
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2691	open my $fh, "<:utf8", "$CONFDIR/config"
1978	or return;	2692	or return;
1979		2693
1980	local $/;	2694	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2695	*CFG = YAML::Syck::Load <$fh>;
		2696
		2697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2698
		2699	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2700	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2701
		2702	if (exists $CFG{mlockall}) {
		2703	eval {
		2704	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2705	and die "WARNING: m(un)lockall failed: $!\n";
		2706	};
		2707	warn $@ if $@;
		2708	}
1982	}	2709	}
1983		2710
1984	sub main {	2711	sub main {
1985	# we must not ever block the main coroutine	2712	# we must not ever block the main coroutine
1986	local $Coro::idle = sub {	2713	local $Coro::idle = sub {
1987	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2714	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1988	(Coro::unblock_sub {	2715	(async {
1989	Event::one_event;	2716	Event::one_event;
1990	})->();	2717	})->prio (Coro::PRIO_MAX);
1991	};	2718	};
1992		2719
1993	cfg_load;	2720	cfg_load;
1994	db_load;	2721	db_init;
1995	load_extensions;	2722	load_extensions;
		2723
		2724	$TICK_WATCHER->start;
1996	Event::loop;	2725	Event::loop;
1997	}	2726	}
1998		2727
1999	#############################################################################	2728	#############################################################################
2000	# initialisation	2729	# initialisation and cleanup
2001		2730
		2731	# install some emergency cleanup handlers
		2732	BEGIN {
		2733	for my $signal (qw(INT HUP TERM)) {
		2734	Event->signal (
		2735	reentrant => 0,
		2736	data => WF_AUTOCANCEL,
		2737	signal => $signal,
		2738	prio => 0,
		2739	cb => sub {
		2740	cf::cleanup "SIG$signal";
		2741	},
		2742	);
		2743	}
		2744	}
		2745
		2746	sub write_runtime {
		2747	my $runtime = "$LOCALDIR/runtime";
		2748
		2749	# first touch the runtime file to show we are still running:
		2750	# the fsync below can take a very very long time.
		2751
		2752	IO::AIO::aio_utime $runtime, undef, undef;
		2753
		2754	my $guard = cf::lock_acquire "write_runtime";
		2755
		2756	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2757	or return;
		2758
		2759	my $value = $cf::RUNTIME + 90 + 10;
		2760	# 10 is the runtime save interval, for a monotonic clock
		2761	# 60 allows for the watchdog to kill the server.
		2762
		2763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2764	and return;
		2765
		2766	# always fsync - this file is important
		2767	aio_fsync $fh
		2768	and return;
		2769
		2770	# touch it again to show we are up-to-date
		2771	aio_utime $fh, undef, undef;
		2772
		2773	close $fh
		2774	or return;
		2775
		2776	aio_rename "$runtime~", $runtime
		2777	and return;
		2778
		2779	warn "runtime file written.\n";
		2780
		2781	1
		2782	}
		2783
		2784	sub emergency_save() {
		2785	my $freeze_guard = cf::freeze_mainloop;
		2786
		2787	warn "enter emergency perl save\n";
		2788
		2789	cf::sync_job {
		2790	# use a peculiar iteration method to avoid tripping on perl
		2791	# refcount bugs in for. also avoids problems with players
		2792	# and maps saved/destroyed asynchronously.
		2793	warn "begin emergency player save\n";
		2794	for my $login (keys %cf::PLAYER) {
		2795	my $pl = $cf::PLAYER{$login} or next;
		2796	$pl->valid or next;
		2797	$pl->save;
		2798	}
		2799	warn "end emergency player save\n";
		2800
		2801	warn "begin emergency map save\n";
		2802	for my $path (keys %cf::MAP) {
		2803	my $map = $cf::MAP{$path} or next;
		2804	$map->valid or next;
		2805	$map->save;
		2806	}
		2807	warn "end emergency map save\n";
		2808
		2809	warn "begin emergency database checkpoint\n";
		2810	BDB::db_env_txn_checkpoint $DB_ENV;
		2811	warn "end emergency database checkpoint\n";
		2812	};
		2813
		2814	warn "leave emergency perl save\n";
		2815	}
		2816
		2817	sub post_cleanup {
		2818	my ($make_core) = @_;
		2819
		2820	warn Carp::longmess "post_cleanup backtrace"
		2821	if $make_core;
		2822	}
		2823
2002	sub reload() {	2824	sub do_reload_perl() {
2003	# can/must only be called in main	2825	# can/must only be called in main
2004	if ($Coro::current != $Coro::main) {	2826	if ($Coro::current != $Coro::main) {
2005	warn "can only reload from main coroutine\n";	2827	warn "can only reload from main coroutine";
2006	return;	2828	return;
2007	}	2829	}
2008		2830
2009	warn "reloading...";	2831	warn "reloading...";
2010		2832
2011	local $FREEZE = 1;	2833	warn "entering sync_job";
		2834
		2835	cf::sync_job {
		2836	cf::write_runtime; # external watchdog should not bark
2012	cf::emergency_save;	2837	cf::emergency_save;
		2838	cf::write_runtime; # external watchdog should not bark
2013		2839
2014	eval {	2840	warn "syncing database to disk";
		2841	BDB::db_env_txn_checkpoint $DB_ENV;
		2842
2015	# if anything goes wrong in here, we should simply crash as we already saved	2843	# if anything goes wrong in here, we should simply crash as we already saved
2016		2844
2017	# cancel all watchers	2845	warn "cancelling all WF_AUTOCANCEL watchers";
2018	for (Event::all_watchers) {	2846	for (Event::all_watchers) {
2019	$_->cancel if $_->data & WF_AUTOCANCEL;	2847	$_->cancel if $_->data & WF_AUTOCANCEL;
2020	}	2848	}
2021		2849
		2850	warn "flushing outstanding aio requests";
		2851	for (;;) {
		2852	BDB::flush;
		2853	IO::AIO::flush;
		2854	Coro::cede;
		2855	last unless IO::AIO::nreqs || BDB::nreqs;
		2856	warn "iterate...";
		2857	}
		2858
		2859	++$RELOAD;
		2860
2022	# cancel all extension coros	2861	warn "cancelling all extension coros";
2023	$_->cancel for values %EXT_CORO;	2862	$_->cancel for values %EXT_CORO;
2024	%EXT_CORO = ();	2863	%EXT_CORO = ();
2025		2864
2026	# unload all extensions	2865	warn "removing commands";
2027	for (@exts) {	2866	%COMMAND = ();
		2867
		2868	warn "removing ext commands";
		2869	%EXTCMD = ();
		2870
		2871	warn "unloading/nuking all extensions";
		2872	for my $pkg (@EXTS) {
2028	warn "unloading <$_>";	2873	warn "... unloading $pkg";
2029	unload_extension $_;	2874
		2875	if (my $cb = $pkg->can ("unload")) {
		2876	eval {
		2877	$cb->($pkg);
		2878	1
		2879	} or warn "$pkg unloaded, but with errors: $@";
2030	}	2880	}
2031		2881
		2882	warn "... nuking $pkg";
		2883	Symbol::delete_package $pkg;
		2884	}
		2885
2032	# unload all modules loaded from $LIBDIR	2886	warn "unloading all perl modules loaded from $LIBDIR";
2033	while (my ($k, $v) = each %INC) {	2887	while (my ($k, $v) = each %INC) {
2034	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2888	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2035		2889
2036	warn "removing <$k>";	2890	warn "... unloading $k";
2037	delete $INC{$k};	2891	delete $INC{$k};
2038		2892
2039	$k =~ s/\.pm$//;	2893	$k =~ s/\.pm$//;
2040	$k =~ s/\//::/g;	2894	$k =~ s/\//::/g;
2041		2895
…		…
2044	}	2898	}
2045		2899
2046	Symbol::delete_package $k;	2900	Symbol::delete_package $k;
2047	}	2901	}
2048		2902
2049	# sync database to disk
2050	cf::db_sync;
2051	IO::AIO::flush;
2052
2053	# get rid of safe::, as good as possible	2903	warn "getting rid of safe::, as good as possible";
2054	Symbol::delete_package "safe::$_"	2904	Symbol::delete_package "safe::$_"
2055	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2905	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2056		2906
2057	# remove register_script_function callbacks
2058	# TODO
2059
2060	# unload cf.pm "a bit"	2907	warn "unloading cf.pm \"a bit\"";
2061	delete $INC{"cf.pm"};	2908	delete $INC{"cf.pm"};
		2909	delete $INC{"cf/pod.pm"};
2062		2910
2063	# don't, removes xs symbols, too,	2911	# don't, removes xs symbols, too,
2064	# and global variables created in xs	2912	# and global variables created in xs
2065	#Symbol::delete_package __PACKAGE__;	2913	#Symbol::delete_package __PACKAGE__;
2066		2914
2067	# reload cf.pm	2915	warn "unload completed, starting to reload now";
		2916
2068	warn "reloading cf.pm";	2917	warn "reloading cf.pm";
2069	require cf;	2918	require cf;
2070	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2071		2920
2072	# load config and database again	2921	warn "loading config and database again";
2073	cf::cfg_load;	2922	cf::cfg_load;
2074	cf::db_load;
2075		2923
2076	# load extensions
2077	warn "load extensions";	2924	warn "loading extensions";
2078	cf::load_extensions;	2925	cf::load_extensions;
2079		2926
2080	# reattach attachments to objects	2927	warn "reattaching attachments to objects/players";
2081	warn "reattach";	2928	_global_reattach; # objects, sockets
2082	_global_reattach;	2929	warn "reattaching attachments to maps";
2083	};	2930	reattach $_ for values %MAP;
		2931	warn "reattaching attachments to players";
		2932	reattach $_ for values %PLAYER;
2084		2933
2085	if ($@) {	2934	warn "leaving sync_job";
		2935
		2936	1
		2937	} or do {
2086	warn $@;	2938	warn $@;
2087	warn "error while reloading, exiting.";	2939	warn "error while reloading, exiting.";
2088	exit 1;	2940	exit 1;
2089	}	2941	};
2090		2942
2091	warn "reloaded successfully";	2943	warn "reloaded";
2092	};	2944	};
2093		2945
2094	#############################################################################	2946	our $RELOAD_WATCHER; # used only during reload
2095		2947
2096	unless ($LINK_MAP) {	2948	sub reload_perl() {
2097	$LINK_MAP = cf::map::new;	2949	# doing reload synchronously and two reloads happen back-to-back,
		2950	# coro crashes during coro_state_free->destroy here.
2098		2951
2099	$LINK_MAP->width (41);	2952	$RELOAD_WATCHER ||= Event->timer (
2100	$LINK_MAP->height (41);	2953	reentrant => 0,
2101	$LINK_MAP->alloc;
2102	$LINK_MAP->path ("{link}");
2103	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2104	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2105
2106	# dirty hack because... archetypes are not yet loaded
2107	Event->timer (
2108	after => 2,	2954	after => 0,
		2955	data => WF_AUTOCANCEL,
2109	cb => sub {	2956	cb => sub {
2110	$_[0]->w->cancel;	2957	do_reload_perl;
2111		2958	undef $RELOAD_WATCHER;
2112	# provide some exits "home"
2113	my $exit = cf::object::new "exit";
2114
2115	$exit->slaying ($EMERGENCY_POSITION->[0]);
2116	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2117	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2118
2119	$LINK_MAP->insert ($exit->clone, 19, 19);
2120	$LINK_MAP->insert ($exit->clone, 19, 20);
2121	$LINK_MAP->insert ($exit->clone, 19, 21);
2122	$LINK_MAP->insert ($exit->clone, 20, 19);
2123	$LINK_MAP->insert ($exit->clone, 20, 21);
2124	$LINK_MAP->insert ($exit->clone, 21, 19);
2125	$LINK_MAP->insert ($exit->clone, 21, 20);
2126	$LINK_MAP->insert ($exit->clone, 21, 21);
2127
2128	$exit->destroy;
2129	});	2959	},
2130		2960	);
2131	$LINK_MAP->{deny_save} = 1;
2132	$LINK_MAP->{deny_reset} = 1;
2133
2134	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2135	}	2961	}
2136
2137	register "<global>", __PACKAGE__;
2138		2962
2139	register_command "reload" => sub {	2963	register_command "reload" => sub {
2140	my ($who, $arg) = @_;	2964	my ($who, $arg) = @_;
2141		2965
2142	if ($who->flag (FLAG_WIZ)) {	2966	if ($who->flag (FLAG_WIZ)) {
2143	$who->message ("start of reload.");
2144	reload;
2145	$who->message ("end of reload.");	2967	$who->message ("reloading server.");
		2968	async { reload_perl };
2146	}	2969	}
2147	};	2970	};
2148		2971
2149	unshift @INC, $LIBDIR;	2972	unshift @INC, $LIBDIR;
2150		2973
		2974	my $bug_warning = 0;
		2975
		2976	our @WAIT_FOR_TICK;
		2977	our @WAIT_FOR_TICK_BEGIN;
		2978
		2979	sub wait_for_tick {
		2980	return unless $TICK_WATCHER->is_active;
		2981	return if $Coro::current == $Coro::main;
		2982
		2983	my $signal = new Coro::Signal;
		2984	push @WAIT_FOR_TICK, $signal;
		2985	$signal->wait;
		2986	}
		2987
		2988	sub wait_for_tick_begin {
		2989	return unless $TICK_WATCHER->is_active;
		2990	return if $Coro::current == $Coro::main;
		2991
		2992	my $signal = new Coro::Signal;
		2993	push @WAIT_FOR_TICK_BEGIN, $signal;
		2994	$signal->wait;
		2995	}
		2996
		2997	my $min = 1e6;#d#
		2998	my $avg = 10;
2151	$TICK_WATCHER = Event->timer (	2999	$TICK_WATCHER = Event->timer (
2152	reentrant => 0,	3000	reentrant => 0,
		3001	parked => 1,
2153	prio => 0,	3002	prio => 0,
2154	at => $NEXT_TICK || $TICK,	3003	at => $NEXT_TICK || $TICK,
2155	data => WF_AUTOCANCEL,	3004	data => WF_AUTOCANCEL,
2156	cb => sub {	3005	cb => sub {
2157	unless ($FREEZE) {	3006	if ($Coro::current != $Coro::main) {
		3007	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3008	unless ++$bug_warning > 10;
		3009	return;
		3010	}
		3011
		3012	$NOW = $tick_start = Event::time;
		3013
2158	cf::server_tick; # one server iteration	3014	cf::server_tick; # one server iteration
2159	$RUNTIME += $TICK;	3015
		3016	0 && sync_job {#d#
		3017	for(1..10) {
		3018	my $t = Event::time;
		3019	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3020	or die;
		3021
		3022	$map->width (50);
		3023	$map->height (50);
		3024	$map->alloc;
		3025	$map->_load_objects ("/tmp/x.map", 1);
		3026	my $t = Event::time - $t;
		3027
		3028	#next unless $t < 0.0013;#d#
		3029	if ($t < $min) {
		3030	$min = $t;
		3031	}
		3032	$avg = $avg * 0.99 + $t * 0.01;
		3033	}
		3034	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3035	exit 0;
		3036	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2160	}	3037	};
2161		3038
		3039	$RUNTIME += $TICK;
2162	$NEXT_TICK += $TICK;	3040	$NEXT_TICK += $TICK;
2163		3041
		3042	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3043	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3044	Coro::async_pool {
		3045	write_runtime
		3046	or warn "ERROR: unable to write runtime file: $!";
		3047	};
		3048	}
		3049
		3050	# my $AFTER = Event::time;
		3051	# warn $AFTER - $NOW;#d#
		3052
		3053	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3054	$sig->send;
		3055	}
		3056	while (my $sig = shift @WAIT_FOR_TICK) {
		3057	$sig->send;
		3058	}
		3059
		3060	$NOW = Event::time;
		3061
2164	# if we are delayed by four ticks or more, skip them all	3062	# if we are delayed by four ticks or more, skip them all
2165	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3063	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2166		3064
2167	$TICK_WATCHER->at ($NEXT_TICK);	3065	$TICK_WATCHER->at ($NEXT_TICK);
2168	$TICK_WATCHER->start;	3066	$TICK_WATCHER->start;
		3067
		3068	$LOAD = ($NOW - $tick_start) / $TICK;
		3069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3070
		3071	_post_tick;
		3072
		3073
2169	},	3074	},
2170	);	3075	);
2171		3076
		3077	{
2172	IO::AIO::max_poll_time $TICK * 0.2;	3078	BDB::max_poll_time $TICK * 0.1;
2173		3079	$BDB_POLL_WATCHER = Event->io (
2174	Event->io (	3080	reentrant => 0,
2175	fd => IO::AIO::poll_fileno,	3081	fd => BDB::poll_fileno,
2176	poll => 'r',	3082	poll => 'r',
2177	prio => 5,	3083	prio => 0,
2178	data => WF_AUTOCANCEL,
2179	cb => \&IO::AIO::poll_cb,
2180	);
2181
2182	Event->timer (
2183	data => WF_AUTOCANCEL,	3084	data => WF_AUTOCANCEL,
2184	after => 0,	3085	cb => \&BDB::poll_cb,
2185	interval => 10,	3086	);
2186	cb => sub {	3087	BDB::min_parallel 8;
2187	(Coro::unblock_sub {	3088
2188	write_runtime	3089	BDB::set_sync_prepare {
2189	or warn "ERROR: unable to write runtime file: $!";	3090	my $status;
		3091	my $current = $Coro::current;
		3092	(
		3093	sub {
		3094	$status = $!;
		3095	$current->ready; undef $current;
		3096	},
		3097	sub {
		3098	Coro::schedule while defined $current;
		3099	$! = $status;
		3100	},
		3101	)
		3102	};
		3103
		3104	unless ($DB_ENV) {
		3105	$DB_ENV = BDB::db_env_create;
		3106
		3107	cf::sync_job {
		3108	eval {
		3109	BDB::db_env_open
		3110	$DB_ENV,
		3111	$BDBDIR,
		3112	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3113	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3114	0666;
		3115
		3116	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3117
		3118	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3119	$DB_ENV->set_lk_detect;
		3120	};
		3121
		3122	cf::cleanup "db_env_open(db): $@" if $@;
2190	})->();	3123	};
2191	},	3124	}
2192	);	3125	}
		3126
		3127	{
		3128	IO::AIO::min_parallel 8;
		3129
		3130	undef $Coro::AIO::WATCHER;
		3131	IO::AIO::max_poll_time $TICK * 0.1;
		3132	$AIO_POLL_WATCHER = Event->io (
		3133	reentrant => 0,
		3134	data => WF_AUTOCANCEL,
		3135	fd => IO::AIO::poll_fileno,
		3136	poll => 'r',
		3137	prio => 6,
		3138	cb => \&IO::AIO::poll_cb,
		3139	);
		3140	}
		3141
		3142	my $_log_backtrace;
		3143
		3144	sub _log_backtrace {
		3145	my ($msg, @addr) = @_;
		3146
		3147	$msg =~ s/\n//;
		3148
		3149	# limit the # of concurrent backtraces
		3150	if ($_log_backtrace < 2) {
		3151	++$_log_backtrace;
		3152	async {
		3153	my @bt = fork_call {
		3154	@addr = map { sprintf "%x", $_ } @addr;
		3155	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3156	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3157	or die "addr2line: $!";
		3158
		3159	my @funcs;
		3160	my @res = <$fh>;
		3161	chomp for @res;
		3162	while (@res) {
		3163	my ($func, $line) = splice @res, 0, 2, ();
		3164	push @funcs, "[$func] $line";
		3165	}
		3166
		3167	@funcs
		3168	};
		3169
		3170	LOG llevInfo, "[ABT] $msg\n";
		3171	LOG llevInfo, "[ABT] $_\n" for @bt;
		3172	--$_log_backtrace;
		3173	};
		3174	} else {
		3175	LOG llevInfo, "[ABT] $msg\n";
		3176	LOG llevInfo, "[ABT] [suppressed]\n";
		3177	}
		3178	}
		3179
		3180	# load additional modules
		3181	use cf::pod;
		3182
		3183	END { cf::emergency_save }
2193		3184
2194	1	3185	1
2195		3186

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