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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.130 by root, Thu Jan 4 00:08:08 2007 UTC vs.
Revision 1.285 by root, Sun Jun 24 04:21:42 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
		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	$guard
		311	}
		312
250	=item cf::async { BLOCK }	313	=item cf::async { BLOCK }
251		314
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	315	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	316	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		317	thing you are allowed to do is call C<prio> on it.
254		318
255	=cut	319	=cut
256		320
257	sub async(&) {	321	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		322
266	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
267		324
268	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
269	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
270	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
271		329
272	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
273	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
274	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
275	fast or be very important.	333	fast or be very important.
…		…
278		336
279	sub sync_job(&) {	337	sub sync_job(&) {
280	my ($job) = @_;	338	my ($job) = @_;
281		339
282	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
283	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
285		345
286	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	347	# (but this is cancel-safe)
288	local $FREEZE = 1;	348	my $freeze_guard = freeze_mainloop;
289		349
290	my $busy = 1;	350	my $busy = 1;
291	my @res;	351	my @res;
292		352
293	(Coro::async {	353	(async {
294	@res = eval { $job->() };	354	@res = eval { $job->() };
295	warn $@ if $@;	355	warn $@ if $@;
296	undef $busy;	356	undef $busy;
297	})->prio (Coro::PRIO_MAX);	357	})->prio (Coro::PRIO_MAX);
298		358
299	while ($busy) {	359	while ($busy) {
300	Coro::cede_notself;	360	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	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
303		369
304	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
305	} else {	371	} else {
306	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
307		373
308	$job->()	374	$job->()
309	}	375	}
310	}	376	}
311		377
312	=item $coro = cf::coro { BLOCK }	378	=item $coro = cf::async_ext { BLOCK }
313		379
314	Creates and returns a new coro. This coro is automcatially being canceled	380	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	381	extension calling this is being unloaded.
316		382
317	=cut	383	=cut
318		384
319	sub coro(&) {	385	sub async_ext(&) {
320	my $cb = shift;	386	my $cb = shift;
321		387
322	my $coro = &cf::async ($cb);	388	my $coro = &Coro::async ($cb);
323		389
324	$coro->on_destroy (sub {	390	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	391	delete $EXT_CORO{$coro+0};
326	});	392	});
327	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
328		394
329	$coro	395	$coro
330	}	396	}
331		397
332	sub write_runtime {	398	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		399
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	400	Executes the given code block with the given arguments in a seperate
336	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.
337		404
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	405	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		406
342	aio_fsync $fh	407	sub fork_call(&@) {
343	and return;	408	my ($cb, @args) = @_;
344		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) {
345	close $fh	416	close $fh2;
346	or return;
347		417
348	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
349	and return;	419	$res = Coro::Storable::thaw $res;
350		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
351	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		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 });
352	}	567	}
353		568
354	=back	569	=back
355		570
356	=cut	571	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		572
478	#############################################################################	573	#############################################################################
479		574
480	=head2 ATTACHABLE OBJECTS	575	=head2 ATTACHABLE OBJECTS
481		576
…		…
483	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")
484	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
485		580
486	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>
487	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
488	crossfire+).	583	Crossfire TRT).
489		584
490	=over 4	585	=over 4
491		586
492	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
493		588
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	702	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	703	our @CB_MAP = ();
609		704
610	my %attachment;	705	my %attachment;
611		706
		707	sub cf::attachable::thawer_merge {
		708	# simply override everything except _meta
		709	local $_[0]{_meta};
		710	%{$_[0]} = %{$_[1]};
		711	}
		712
612	sub _attach_cb($$$$) {	713	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	714	my ($registry, $event, $prio, $cb) = @_;
614		715
615	use sort 'stable';	716	use sort 'stable';
616		717
…		…
650	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
651		752
652	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
653	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
654	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
655	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
656		757
657	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
658	my $pkg = shift @arg;	759	my $pkg = shift @arg;
659		760
660	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
689	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
690	}	791	}
691		792
692	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
693	} else {	794	} else {
694	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
695	}	796	}
696		797
697	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
698	}	799	}
699		800
…		…
701	if (ref $_[0]) {	802	if (ref $_[0]) {
702	_object_attach @_;	803	_object_attach @_;
703	} else {	804	} else {
704	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
705	}	806	}
		807	_recalc_want;
706	};	808	};
707		809
708	# all those should be optimised	810	# all those should be optimised
709	sub cf::attachable::detach {	811	sub cf::attachable::detach {
710	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
713	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
714	reattach ($obj);	816	reattach ($obj);
715	} else {	817	} else {
716	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
717	}	819	}
		820	_recalc_want;
718	};	821	};
719		822
720	sub cf::attachable::attached {	823	sub cf::attachable::attached {
721	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
722		825
…		…
787	# object support	890	# object support
788		891
789	sub reattach {	892	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	893	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	894	my ($obj) = @_;
		895
		896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		897
793	my $registry = $obj->registry;	898	my $registry = $obj->registry;
794		899
795	@$registry = ();	900	@$registry = ();
796		901
…		…
843	$filename, length $$rdata, scalar @$objs;	948	$filename, length $$rdata, scalar @$objs;
844		949
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	951	chmod SAVE_MODE, $fh;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848	aio_fsync $fh;	953	aio_fsync $fh if $cf::USE_FSYNC;
849	close $fh;	954	close $fh;
850		955
851	if (@$objs) {	956	if (@$objs) {
852	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) {
853	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	959	my $data = Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	960	aio_write $fh, 0, (length $data), $data, 0;
856	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
857	close $fh;	962	close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	963	aio_rename "$filename.pst~", "$filename.pst";
859	}	964	}
860	} else {	965	} else {
861	aio_unlink "$filename.pst";	966	aio_unlink "$filename.pst";
…		…
893	or return;	998	or return;
894	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
895	}	1000	}
896		1001
897	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
898	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
899	return ($data, $av);	1004	return ($data, $av);
900	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
901		1012
902	#############################################################################	1013	#############################################################################
903	# command handling &c	1014	# command handling &c
904		1015
905	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
918	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
919	}	1030	}
920		1031
921	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
922		1033
923	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.
924		1035
925	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
926	called.	1037	called.
927		1038
928	=cut	1039	=cut
929		1040
930	sub register_extcmd {	1041	sub register_extcmd {
931	my ($name, $cb) = @_;	1042	my ($name, $cb) = @_;
932		1043
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	1044	$EXTCMD{$name} = $cb;
937	}	1045	}
938		1046
939	cf::player->attach (	1047	cf::player->attach (
940	on_command => sub {	1048	on_command => sub {
941	my ($pl, $name, $params) = @_;	1049	my ($pl, $name, $params) = @_;
…		…
954		1062
955	my $msg = eval { from_json $buf };	1063	my $msg = eval { from_json $buf };
956		1064
957	if (ref $msg) {	1065	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	1067	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	1068	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	1069	}
962	}	1070	}
963	} else {	1071	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		1074
967	cf::override;	1075	cf::override;
968	},	1076	},
969	);	1077	);
970		1078
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	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($) {
978	my ($path) = @_;	1426	my ($path) = @_;
979		1427
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1428	my ($match, $specificity);
981	my $base = $1;
982	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";
985		1429
986	warn "loading '$path' into '$pkg'\n";	1430	for my $region (list) {
987		1431	if ($region->match && $path =~ $region->match) {
988	open my $fh, "<:utf8", $path	1432	($match, $specificity) = ($region, $region->specificity)
989	or die "$path: $!";	1433	if $region->specificity > $specificity;
990		1434	}
991	my $source =
992	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })
995	. "\n};\n1";
996
997	eval $source
998	or die $@ ? "$path: $@\n"
999	: "extension disabled.\n";
1000
1001	push @exts, $pkg;
1002	$ext_pkg{$base} = $pkg;
1003
1004	# no strict 'refs';
1005	# @{"$pkg\::ISA"} = ext::;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	1435	}
1020		1436
1021	# remove commands	1437	$match
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}
1046
1047	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;
1050	eval {
1051	load_extension $ext;
1052	1
1053	} or warn "$ext not loaded: $@";
1054	}
1055	}
1056
1057	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094
1095	=head2 CORE EXTENSIONS
1096
1097	Functions and methods that extend core crossfire objects.
1098
1099	=head3 cf::player
1100
1101	=over 4
1102
1103	=item cf::player::exists $login
1104
1105	Returns true when the given account exists.
1106
1107	=cut
1108
1109	sub cf::player::exists($) {
1110	cf::player::find $_[0]
1111	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1112	}
1113
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115
1116	Sends an ext reply to the player.
1117
1118	=cut
1119
1120	sub cf::player::ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;
1122
1123	$msg{msgid} = $id;
1124
1125	$self->send ("ext " . to_json \%msg);
1126	}	1438	}
1127		1439
1128	=back	1440	=back
1129
1130		1441
1131	=head3 cf::map	1442	=head3 cf::map
1132		1443
1133	=over 4	1444	=over 4
1134		1445
…		…
1137	package cf::map;	1448	package cf::map;
1138		1449
1139	use Fcntl;	1450	use Fcntl;
1140	use Coro::AIO;	1451	use Coro::AIO;
1141		1452
		1453	use overload
		1454	'""' => \&as_string,
		1455	fallback => 1;
		1456
1142	our $MAX_RESET = 7200;	1457	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1458	our $DEFAULT_RESET = 3000;
1144		1459
1145	sub generate_random_map {	1460	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1461	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1462	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1463	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1467	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1468	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1469	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1470	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1471	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$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},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1473	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(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"
1162	}	1603	}
1163		1604
1164	# and all this just because we cannot iterate over	1605	# and all this just because we cannot iterate over
1165	# all maps in C++...	1606	# all maps in C++...
1166	sub change_all_map_light {	1607	sub change_all_map_light {
…		…
1168		1609
1169	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1611	for grep $_->outdoor, values %cf::MAP;
1171	}	1612	}
1172		1613
		1614	sub decay_objects {
		1615	my ($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
1173	sub try_load_header($) {	1630	sub load_header_from($) {
1174	my ($path) = @_;	1631	my ($self, $path) = @_;
1175		1632
1176	utf8::encode $path;	1633	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1634	#aio_open $path, O_RDONLY, 0
		1635	# or return;
		1636
		1637	$self->_load_header ($path)
1178	or return;	1638	or return;
1179		1639
1180	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
1181	or return;	1683	or return;
		1684	$self->prepare_orig;
		1685	}
1182		1686
1183	$map->load_header ($path)	1687	$self->{deny_reset} = 1
1184	or return;	1688	if $self->no_reset;
1185		1689
1186	$map->{load_path} = $path;	1690	$self->default_region (cf::region::find_by_path $self->{path})
		1691	unless $self->default_region;
1187		1692
1188	$map	1693	1
1189	}	1694	}
1190		1695
1191	sub find_map;	1696	sub find;
1192	sub find_map {	1697	sub find {
1193	my ($path, $origin) = @_;	1698	my ($path, $origin) = @_;
1194		1699
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1700	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1701
1200	cf::lock_wait "map_find:$key";	1702	cf::lock_wait "map_find:$path";
1201		1703
1202	$cf::MAP{$key} || do {	1704	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1705	my $guard = cf::lock_acquire "map_find:$path";
1204		1706	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1707	or return;
1220		1708
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1710
1234	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;
1235	$map->reset;	1717	$map->reset;
1236	undef $guard;	1718	undef $guard;
1237	$map = find_map $path	1719	return find $path;
1238	or return;
1239	}	1720	}
1240		1721
1241	$cf::MAP{$key} = $map	1722	$cf::MAP{$path} = $map
1242	}	1723	}
1243	}	1724	}
		1725
		1726	sub pre_load { }
		1727	sub post_load { }
1244		1728
1245	sub load {	1729	sub load {
1246	my ($self) = @_;	1730	my ($self) = @_;
1247		1731
		1732	local $self->{deny_reset} = 1; # loading can take a long time
		1733
1248	my $path = $self->{path};	1734	my $path = $self->{path};
		1735
		1736	{
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1737	my $guard = cf::lock_acquire "map_load:$path";
1250		1738
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1739	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1740
1253	$self->in_memory (cf::MAP_LOADING);	1741	$self->in_memory (cf::MAP_LOADING);
1254		1742
1255	$self->alloc;	1743	$self->alloc;
		1744
		1745	$self->pre_load;
		1746	Coro::cede;
		1747
1256	$self->load_objects ($self->{load_path}, 1)	1748	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1749	or return;
1258		1750
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1752	if delete $self->{load_original};
1261		1753
1262	if (my $uniq = $path->uniq_path) {	1754	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1755	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1756	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1757	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1758	$self->_load_objects ($uniq, 0);
1267	}	1759	}
1268	}	1760	}
1269		1761
		1762	Coro::cede;
1270	# now do the right thing for maps	1763	# now do the right thing for maps
1271	$self->link_multipart_objects;	1764	$self->link_multipart_objects;
1272
1273	if ($self->{path}->is_style_map) {
1274	$self->{deny_save} = 1;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;
1280	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1282	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;
1283	$self->activate;	1776	$self->activate;
1284	}	1777	}
1285		1778
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1779	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1780	}
1288		1781
1289	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	$neigh->load;
		1818	}
		1819	}
		1820
		1821	sub find_sync {
1290	my ($path, $origin) = @_;	1822	my ($path, $origin) = @_;
1291		1823
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1824	cf::sync_job { find $path, $origin }
		1825	}
1293		1826
1294	cf::sync_job {	1827	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1828	my ($map) = @_;
1296	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;
1297	$map->load;	1851	$map->load;
1298	$map	1852
		1853	delete $MAP_PREFETCH{$path};
		1854	}
		1855	}
		1856	undef $MAP_PREFETCHER;
1299	}	1857	};
		1858	$MAP_PREFETCHER->prio (6);
		1859
		1860	()
1300	}	1861	}
1301		1862
1302	sub save {	1863	sub save {
1303	my ($self) = @_;	1864	my ($self) = @_;
1304		1865
		1866	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1867
1305	$self->{last_save} = $cf::RUNTIME;	1868	$self->{last_save} = $cf::RUNTIME;
1306		1869
1307	return unless $self->dirty;	1870	return unless $self->dirty;
1308		1871
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1872	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1873	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1874
1312	$self->{load_path} = $save;	1875	$self->{load_path} = $save;
1313		1876
1314	return if $self->{deny_save};	1877	return if $self->{deny_save};
1315		1878
		1879	local $self->{last_access} = $self->last_access;#d#
		1880
		1881	cf::async {
		1882	$_->contr->save for $self->players;
		1883	};
		1884
1316	if ($uniq) {	1885	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1888	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1889	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1890	}
1322	}	1891	}
1323		1892
1324	sub swap_out {	1893	sub swap_out {
1325	my ($self) = @_;	1894	my ($self) = @_;
1326		1895
1327	# save first because save cedes	1896	# save first because save cedes
1328	$self->save;	1897	$self->save;
		1898
		1899	my $lock = cf::lock_acquire "map_data:" . $self->path;
1329		1900
1330	return if $self->players;	1901	return if $self->players;
1331	return if $self->in_memory != cf::MAP_IN_MEMORY;	1902	return if $self->in_memory != cf::MAP_IN_MEMORY;
1332	return if $self->{deny_save};	1903	return if $self->{deny_save};
1333		1904
…		…
1337		1908
1338	sub reset_at {	1909	sub reset_at {
1339	my ($self) = @_;	1910	my ($self) = @_;
1340		1911
1341	# TODO: safety, remove and allow resettable per-player maps	1912	# TODO: safety, remove and allow resettable per-player maps
1342	return 1e99 if $self->{path}{user_rel};
1343	return 1e99 if $self->{deny_reset};	1913	return 1e99 if $self->{deny_reset};
1344		1914
1345	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1346	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1347		1917
…		…
1352	my ($self) = @_;	1922	my ($self) = @_;
1353		1923
1354	$self->reset_at <= $cf::RUNTIME	1924	$self->reset_at <= $cf::RUNTIME
1355	}	1925	}
1356		1926
1357	sub unlink_save {
1358	my ($self) = @_;
1359
1360	utf8::encode (my $save = $self->{path}->save_path);
1361	aioreq_pri 3; IO::AIO::aio_unlink $save;
1362	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1363	}
1364
1365	sub rename {
1366	my ($self, $new_path) = @_;
1367
1368	$self->unlink_save;
1369
1370	delete $cf::MAP{$self->path};
1371	$self->{path} = new cf::path $new_path;
1372	$self->path ($self->{path}->as_string);
1373	$cf::MAP{$self->path} = $self;
1374
1375	$self->save;
1376	}
1377
1378	sub reset {	1927	sub reset {
1379	my ($self) = @_;	1928	my ($self) = @_;
1380		1929
		1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1931
1381	return if $self->players;	1932	return if $self->players;
1382	return if $self->{path}{user_rel};#d#
1383		1933
1384	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	}
1385		1945
1386	delete $cf::MAP{$self->path};	1946	delete $cf::MAP{$self->path};
		1947
		1948	$self->clear;
1387		1949
1388	$_->clear_links_to ($self) for values %cf::MAP;	1950	$_->clear_links_to ($self) for values %cf::MAP;
1389		1951
1390	$self->unlink_save;	1952	$self->unlink_save;
1391	$self->destroy;	1953	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1956	my $nuke_counter = "aaaa";
1395		1957
1396	sub nuke {	1958	sub nuke {
1397	my ($self) = @_;	1959	my ($self) = @_;
1398		1960
		1961	delete $cf::MAP{$self->path};
		1962
		1963	$self->unlink_save;
		1964
		1965	bless $self, "cf::map";
		1966	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1967	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1968	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1970
		1971	$cf::MAP{$self->path} = $self;
		1972
1402	$self->reset; # polite request, might not happen	1973	$self->reset; # polite request, might not happen
1403	}	1974	}
1404		1975
1405	sub customise_for {	1976	=item $maps = cf::map::tmp_maps
1406	my ($map, $ob) = @_;
1407		1977
1408	if ($map->per_player) {	1978	Returns an arrayref with all map paths of currently instantiated and saved
1409	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1979	maps. May block.
		1980
		1981	=cut
		1982
		1983	sub tmp_maps() {
1410	}	1984	[
1411		1985	map {
1412	$map	1986	utf8::decode $_;
		1987	/\.map$/
		1988	? normalise $_
		1989	: ()
		1990	} @{ aio_readdir $TMPDIR or [] }
		1991	]
1413	}	1992	}
1414		1993
1415	sub emergency_save {	1994	=item $maps = cf::map::random_maps
1416	local $cf::FREEZE = 1;
1417		1995
1418	warn "enter emergency map save\n";	1996	Returns an arrayref with all map paths of currently instantiated and saved
		1997	random maps. May block.
1419		1998
1420	cf::sync_job {	1999	=cut
1421	warn "begin emergency map save\n";
1422	$_->save for values %cf::MAP;
1423	};
1424		2000
1425	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	]
1426	}	2028	}
1427		2029
1428	package cf;	2030	package cf;
1429		2031
1430	=back	2032	=back
1431		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
1432		2060
1433	=head3 cf::object::player	2061	=head3 cf::object::player
1434		2062
1435	=over 4	2063	=over 4
1436		2064
…		…
1450		2078
1451	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1452		2080
1453	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1454	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1455	} 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 {
1456	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1457	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1458	}	2100	}
1459	}	2101	}
1460		2102
1461	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1462		2104
…		…
1476		2118
1477	=item $player_object->enter_link	2119	=item $player_object->enter_link
1478		2120
1479	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}>).
1480		2122
1481	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
1482	I<MUST> call C<leave_link> as soon as possible, though.	2124	I<MUST> call C<leave_link> as soon as possible, though.
1483		2125
		2126	Will never block.
		2127
1484	=item $player_object->leave_link ($map, $x, $y)	2128	=item $player_object->leave_link ($map, $x, $y)
1485		2129
1486	Moves the player out of the specila link map onto the given map. If the	2130	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	2131	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	2132	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	2133	fails, to the emergency map position.
1490		2134
1491	Might block.	2135	Might block.
1492		2136
1493	=cut	2137	=cut
		2138
		2139	sub link_map {
		2140	unless ($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	$LINK_MAP
		2147	}
1494		2148
1495	sub cf::object::player::enter_link {	2149	sub cf::object::player::enter_link {
1496	my ($self) = @_;	2150	my ($self) = @_;
1497		2151
1498	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
1499		2153
1500	return if $self->map == $LINK_MAP;	2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		2155
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	2157	if $self->map && $self->map->{path} ne "{link}";
1504		2158
1505	$self->enter_map ($LINK_MAP, 20, 20);	2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	2160	}
1507		2161
1508	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1510		2166
1511	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1512		2168
1513	unless ($map) {	2169	unless ($map) {
1514	# restore original map position	2170	# restore original map position
1515	($map, $x, $y) = @{ $link_pos || [] };	2171	($map, $x, $y) = @{ $link_pos || [] };
1516	$map = cf::map::find_map $map;	2172	$map = cf::map::find $map;
1517		2173
1518	unless ($map) {	2174	unless ($map) {
1519	($map, $x, $y) = @$EMERGENCY_POSITION;	2175	($map, $x, $y) = @$EMERGENCY_POSITION;
1520	$map = cf::map::find_map $map	2176	$map = cf::map::find $map
1521	or die "FATAL: cannot load emergency map\n";	2177	or die "FATAL: cannot load emergency map\n";
1522	}	2178	}
1523	}	2179	}
1524		2180
1525	($x, $y) = (-1, -1)	2181	($x, $y) = (-1, -1)
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	2184	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	2185	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	2186	if $x <=0 && $y <= 0;
1531		2187
1532	$map->load;	2188	$map->load;
		2189	$map->load_diag;
1533		2190
		2191	return unless $self->contr->active;
1534	$self->activate_recursive;	2192	$self->activate_recursive;
		2193
		2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1536	}	2196	}
1537		2197
1538	cf::player->attach (
1539	on_logout => sub {
1540	my ($pl) = @_;
1541
1542	# abort map switching before logout
1543	if ($pl->ob->{_link_pos}) {
1544	cf::sync_job {
1545	$pl->ob->leave_link
1546	};
1547	}
1548	},
1549	on_login => sub {
1550	my ($pl) = @_;
1551
1552	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {
1555	$pl->ob->enter_link;
1556	cf::async {
1557	# we need this sleep as the login has a concurrent enter_exit running
1558	# and this sleep increases chances of the player not ending up in scorn
1559	Coro::Timer::sleep 1;
1560	$pl->ob->leave_link;
1561	};
1562	}
1563	},
1564	);
1565
1566	=item $player_object->goto_map ($path, $x, $y)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1567		2199
1568	=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.
1569		2204
		2205	=cut
		2206
		2207	our $GOTOGEN;
		2208
1570	sub cf::object::player::goto_map {	2209	sub cf::object::player::goto {
1571	my ($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;
1572		2214
1573	$self->enter_link;	2215	$self->enter_link;
1574		2216
1575	(cf::async {	2217	(async {
1576	$path = new cf::path $path;	2218	my $map = eval {
1577
1578	my $map = cf::map::find_map $path->as_string;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1579	$map = $map->customise_for ($self) if $map;	2222	$map = $map->customise_for ($self);
1580		2223	$map = $check->($map) if $check && $map;
1581	# warn "entering ", $map->path, " at ($x, $y)\n"	2224	} else {
1582	# if $map;
1583
1584	$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	}
1585		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};
1586	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1587	})->prio (1);	2240	})->prio (1);
1588	}	2241	}
1589		2242
1590	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1591		2244
…		…
1593		2246
1594	sub parse_random_map_params {	2247	sub parse_random_map_params {
1595	my ($spec) = @_;	2248	my ($spec) = @_;
1596		2249
1597	my $rmp = { # defaults	2250	my $rmp = { # defaults
1598	xsize => 10,	2251	xsize => (cf::rndm 15, 40),
1599	ysize => 10,	2252	ysize => (cf::rndm 15, 40),
		2253	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2254	#layout => string,
1600	};	2255	};
1601		2256
1602	for (split /\n/, $spec) {	2257	for (split /\n/, $spec) {
1603	my ($k, $v) = split /\s+/, $_, 2;	2258	my ($k, $v) = split /\s+/, $_, 2;
1604		2259
…		…
1608	$rmp	2263	$rmp
1609	}	2264	}
1610		2265
1611	sub prepare_random_map {	2266	sub prepare_random_map {
1612	my ($exit) = @_;	2267	my ($exit) = @_;
		2268
		2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
1613		2270
1614	# all this does is basically replace the /! path by	2271	# all this does is basically replace the /! path by
1615	# a new random map path (?random/...) with a seed	2272	# a new random map path (?random/...) with a seed
1616	# that depends on the exit object	2273	# that depends on the exit object
1617		2274
1618	my $rmp = parse_random_map_params $exit->msg;	2275	my $rmp = parse_random_map_params $exit->msg;
1619		2276
1620	if ($exit->map) {	2277	if ($exit->map) {
1621	$rmp->{region} = $exit->map->region_name;	2278	$rmp->{region} = $exit->region->name;
1622	$rmp->{origin_map} = $exit->map->path;	2279	$rmp->{origin_map} = $exit->map->path;
1623	$rmp->{origin_x} = $exit->x;	2280	$rmp->{origin_x} = $exit->x;
1624	$rmp->{origin_y} = $exit->y;	2281	$rmp->{origin_y} = $exit->y;
1625	}	2282	}
1626		2283
1627	$rmp->{random_seed} ||= $exit->random_seed;	2284	$rmp->{random_seed} ||= $exit->random_seed;
1628		2285
1629	my $data = cf::to_json $rmp;	2286	my $data = cf::to_json $rmp;
1630	my $md5 = Digest::MD5::md5_hex $data;	2287	my $md5 = Digest::MD5::md5_hex $data;
		2288	my $meta = "$RANDOMDIR/$md5.meta";
1631		2289
1632	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) {
1633	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;
1634		2294
1635	$exit->slaying ("?random/$md5");	2295	$exit->slaying ("?random/$md5");
1636	$exit->msg (undef);	2296	$exit->msg (undef);
1637	}	2297	}
1638	}	2298	}
…		…
1640	sub cf::object::player::enter_exit {	2300	sub cf::object::player::enter_exit {
1641	my ($self, $exit) = @_;	2301	my ($self, $exit) = @_;
1642		2302
1643	return unless $self->type == cf::PLAYER;	2303	return unless $self->type == cf::PLAYER;
1644		2304
		2305	if ($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
1645	$self->enter_link;	2316	$self->enter_link;
1646		2317
1647	(cf::async {	2318	(async {
		2319	$self->deactivate_recursive; # just to be sure
1648	unless (eval {	2320	unless (eval {
1649	prepare_random_map $exit	2321	$self->goto ($slaying, $hp, $sp);
1650	if $exit->slaying eq "/!";
1651
1652	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1653	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1654		2322
1655	1;	2323	1;
1656	}) {	2324	}) {
1657	$self->message ("Something went wrong deep within the crossfire server. "	2325	$self->message ("Something went wrong deep within the crossfire server. "
1658	. "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. "
1659	. "Please report this to the dungeon master",	2327	. "Please report this to the dungeon master!",
1660	cf::NDI_UNIQUE | cf::NDI_RED);	2328	cf::NDI_UNIQUE | cf::NDI_RED);
1661		2329
1662	warn "ERROR in enter_exit: $@";	2330	warn "ERROR in enter_exit: $@";
1663	$self->leave_link;	2331	$self->leave_link;
1664	}	2332	}
1665	})->prio (1);	2333	})->prio (1);
…		…
1678		2346
1679	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
1680	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
1681		2349
1682	utf8::encode $text;	2350	utf8::encode $text;
1683	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1684	}	2352	}
1685		2353
		2354	=item $client->send_msg ($color, $type, $msg, [extra...])
		2355
		2356	Send a drawinfo or msg packet to the client, formatting the msg for the
		2357	client if neccessary. C<$type> should be a string identifying the type of
		2358	the message, with C<log> being the default. If C<$color> is negative, suppress
		2359	the message unless the client supports the msg packet.
		2360
		2361	=cut
		2362
		2363	sub cf::client::send_msg {
		2364	my ($self, $color, $type, $msg, @extra) = @_;
		2365
		2366	$msg = $self->pl->expand_cfpod ($msg);
		2367
		2368	if ($self->can_msg) {
		2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2370	} else {
		2371	# replace some tags by gcfclient-compatible ones
		2372	for ($msg) {
		2373	1 while
		2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2379	}
		2380
		2381	if ($color >= 0) {
		2382	if (0 && $msg =~ /\[/) {
		2383	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2384	} else {
		2385	s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2386	$self->send_packet ("drawinfo $color $msg")
		2387	}
		2388	}
		2389	}
		2390	}
		2391
		2392	=item $client->ext_event ($type, %msg)
		2393
		2394	Sends an exti event to the client.
		2395
		2396	=cut
		2397
		2398	sub cf::client::ext_event($$%) {
		2399	my ($self, $type, %msg) = @_;
		2400
		2401	$msg{msgtype} = "event_$type";
		2402	$self->send_packet ("ext " . cf::to_json \%msg);
		2403	}
1686		2404
1687	=item $success = $client->query ($flags, "text", \&cb)	2405	=item $success = $client->query ($flags, "text", \&cb)
1688		2406
1689	Queues a query to the client, calling the given callback with	2407	Queues a query to the client, calling the given callback with
1690	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2408	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1719	# get handled first	2437	# get handled first
1720	my $queue = delete $ns->{query_queue}	2438	my $queue = delete $ns->{query_queue}
1721	or return; # be conservative, not sure how that can happen, but we saw a crash here	2439	or return; # be conservative, not sure how that can happen, but we saw a crash here
1722		2440
1723	(shift @$queue)->[1]->($msg);	2441	(shift @$queue)->[1]->($msg);
		2442	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1724		2443
1725	push @{ $ns->{query_queue} }, @$queue;	2444	push @{ $ns->{query_queue} }, @$queue;
1726		2445
1727	if (@{ $ns->{query_queue} } == @$queue) {	2446	if (@{ $ns->{query_queue} } == @$queue) {
1728	if (@$queue) {	2447	if (@$queue) {
…		…
1732	}	2451	}
1733	}	2452	}
1734	},	2453	},
1735	);	2454	);
1736		2455
1737	=item $client->coro (\&cb)	2456	=item $client->async (\&cb)
1738		2457
1739	Create a new coroutine, running the specified callback. The coroutine will	2458	Create a new coroutine, running the specified callback. The coroutine will
1740	be automatically cancelled when the client gets destroyed (e.g. on logout,	2459	be automatically cancelled when the client gets destroyed (e.g. on logout,
1741	or loss of connection).	2460	or loss of connection).
1742		2461
1743	=cut	2462	=cut
1744		2463
1745	sub cf::client::coro {	2464	sub cf::client::async {
1746	my ($self, $cb) = @_;	2465	my ($self, $cb) = @_;
1747		2466
1748	my $coro = &cf::async ($cb);	2467	my $coro = &Coro::async ($cb);
1749		2468
1750	$coro->on_destroy (sub {	2469	$coro->on_destroy (sub {
1751	delete $self->{_coro}{$coro+0};	2470	delete $self->{_coro}{$coro+0};
1752	});	2471	});
1753		2472
…		…
1786		2505
1787	# here we export the classes and methods available to script code	2506	# here we export the classes and methods available to script code
1788		2507
1789	=pod	2508	=pod
1790		2509
1791	The following fucntions and emthods are available within a safe environment:	2510	The following functions and methods are available within a safe environment:
1792		2511
1793	cf::object contr pay_amount pay_player map	2512	cf::object contr pay_amount pay_player map
1794	cf::object::player player	2513	cf::object::player player
1795	cf::player peaceful	2514	cf::player peaceful
1796	cf::map trigger	2515	cf::map trigger
…		…
1877	=back	2596	=back
1878		2597
1879	=cut	2598	=cut
1880		2599
1881	#############################################################################	2600	#############################################################################
		2601	# the server's init and main functions
1882		2602
1883	=head2 EXTENSION DATABASE SUPPORT	2603	sub load_facedata($) {
		2604	my ($path) = @_;
1884		2605
1885	Crossfire maintains a very simple database for extension use. It can	2606	warn "loading facedata from $path\n";
1886	currently store anything that can be serialised using Storable, which
1887	excludes objects.
1888		2607
1889	The parameter C<$family> should best start with the name of the extension	2608	my $facedata;
1890	using it, it should be unique.	2609	0 < aio_load $path, $facedata
		2610	or die "$path: $!";
1891		2611
1892	=over 4	2612	$facedata = Coro::Storable::thaw $facedata;
1893		2613
1894	=item $hashref = cf::db_get $family	2614	$facedata->{version} == 2
		2615	or cf::cleanup "$path: version mismatch, cannot proceed.";
1895		2616
1896	Return a hashref for use by the extension C<$family>, which can be
1897	modified. After modifications, you have to call C<cf::db_dirty> or
1898	C<cf::db_sync>.
1899
1900	=item $value = cf::db_get $family => $key
1901
1902	Returns a single value from the database
1903
1904	=item cf::db_put $family => $hashref
1905
1906	Stores the given family hashref into the database. Updates are delayed, if
1907	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1908
1909	=item cf::db_put $family => $key => $value
1910
1911	Stores the given C<$value> in the family hash. Updates are delayed, if you
1912	want the data to be synced to disk immediately, use C<cf::db_sync>.
1913
1914	=item cf::db_dirty
1915
1916	Marks the database as dirty, to be updated at a later time.
1917
1918	=item cf::db_sync
1919
1920	Immediately write the database to disk I<if it is dirty>.
1921
1922	=cut
1923
1924	our $DB;
1925
1926	{
1927	my $path = cf::localdir . "/database.pst";
1928
1929	sub db_load() {
1930	$DB = stat $path ? Storable::retrieve $path : { };
1931	}	2617	{
		2618	my $faces = $facedata->{faceinfo};
1932		2619
1933	my $pid;	2620	while (my ($face, $info) = each %$faces) {
1934		2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1935	sub db_save() {	2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
1936	waitpid $pid, 0 if $pid;	2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
1937	if (0 == ($pid = fork)) {	2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
1938	$DB->{_meta}{version} = 1;	2625	Coro::cede;
1939	Storable::nstore $DB, "$path~";
1940	rename "$path~", $path;
1941	cf::_exit 0 if defined $pid;
1942	}
1943	}
1944
1945	my $dirty;
1946
1947	sub db_sync() {
1948	db_save if $dirty;
1949	undef $dirty;
1950	}
1951
1952	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1953	db_sync;
1954	});
1955
1956	sub db_dirty() {
1957	$dirty = 1;
1958	$idle->start;
1959	}
1960
1961	sub db_get($;$) {
1962	@_ >= 2
1963	? $DB->{$_[0]}{$_[1]}
1964	: ($DB->{$_[0]} ||= { })
1965	}
1966
1967	sub db_put($$;$) {
1968	if (@_ >= 3) {
1969	$DB->{$_[0]}{$_[1]} = $_[2];
1970	} else {
1971	$DB->{$_[0]} = $_[1];
1972	}
1973	db_dirty;
1974	}
1975
1976	cf::global->attach (
1977	prio => 10000,
1978	on_cleanup => sub {
1979	db_sync;
1980	},	2626	}
1981	);
1982	}
1983		2627
1984	#############################################################################	2628	while (my ($face, $info) = each %$faces) {
1985	# the server's main()	2629	next unless $info->{smooth};
		2630	my $idx = cf::face::find $face
		2631	or next;
		2632	if (my $smooth = cf::face::find $info->{smooth}) {
		2633	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2634	} else {
		2635	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2636	}
		2637	Coro::cede;
		2638	}
		2639	}
		2640
		2641	{
		2642	my $anims = $facedata->{animinfo};
		2643
		2644	while (my ($anim, $info) = each %$anims) {
		2645	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2646	Coro::cede;
		2647	}
		2648
		2649	cf::anim::invalidate_all; # d'oh
		2650	}
		2651
		2652	1
		2653	}
		2654
		2655	sub reload_regions {
		2656	load_resource_file "$MAPDIR/regions"
		2657	or die "unable to load regions file\n";
		2658	}
		2659
		2660	sub reload_facedata {
		2661	load_facedata "$DATADIR/facedata"
		2662	or die "unable to load facedata\n";
		2663	}
		2664
		2665	sub reload_archetypes {
		2666	load_resource_file "$DATADIR/archetypes"
		2667	or die "unable to load archetypes\n";
		2668	}
		2669
		2670	sub reload_treasures {
		2671	load_resource_file "$DATADIR/treasures"
		2672	or die "unable to load treasurelists\n";
		2673	}
		2674
		2675	sub reload_resources {
		2676	warn "reloading resource files...\n";
		2677
		2678	reload_regions;
		2679	reload_facedata;
		2680	#reload_archetypes;#d#
		2681	reload_archetypes;
		2682	reload_treasures;
		2683
		2684	warn "finished reloading resource files\n";
		2685	}
		2686
		2687	sub init {
		2688	reload_resources;
		2689	}
1986		2690
1987	sub cfg_load {	2691	sub cfg_load {
1988	open my $fh, "<:utf8", cf::confdir . "/config"	2692	open my $fh, "<:utf8", "$CONFDIR/config"
1989	or return;	2693	or return;
1990		2694
1991	local $/;	2695	local $/;
1992	*CFG = YAML::Syck::Load <$fh>;	2696	*CFG = YAML::Syck::Load <$fh>;
		2697
		2698	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2699
		2700	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2701	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2702
		2703	if (exists $CFG{mlockall}) {
		2704	eval {
		2705	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2706	and die "WARNING: m(un)lockall failed: $!\n";
		2707	};
		2708	warn $@ if $@;
		2709	}
1993	}	2710	}
1994		2711
1995	sub main {	2712	sub main {
1996	# we must not ever block the main coroutine	2713	# we must not ever block the main coroutine
1997	local $Coro::idle = sub {	2714	local $Coro::idle = sub {
1998	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2715	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1999	(Coro::unblock_sub {	2716	(async {
2000	Event::one_event;	2717	Event::one_event;
2001	})->();	2718	})->prio (Coro::PRIO_MAX);
2002	};	2719	};
2003		2720
2004	cfg_load;	2721	cfg_load;
2005	db_load;	2722	db_init;
2006	load_extensions;	2723	load_extensions;
		2724
		2725	$TICK_WATCHER->start;
2007	Event::loop;	2726	Event::loop;
2008	}	2727	}
2009		2728
2010	#############################################################################	2729	#############################################################################
2011	# initialisation	2730	# initialisation and cleanup
2012		2731
		2732	# install some emergency cleanup handlers
		2733	BEGIN {
		2734	for my $signal (qw(INT HUP TERM)) {
		2735	Event->signal (
		2736	reentrant => 0,
		2737	data => WF_AUTOCANCEL,
		2738	signal => $signal,
		2739	prio => 0,
		2740	cb => sub {
		2741	cf::cleanup "SIG$signal";
		2742	},
		2743	);
		2744	}
		2745	}
		2746
		2747	sub write_runtime {
		2748	my $runtime = "$LOCALDIR/runtime";
		2749
		2750	# first touch the runtime file to show we are still running:
		2751	# the fsync below can take a very very long time.
		2752
		2753	IO::AIO::aio_utime $runtime, undef, undef;
		2754
		2755	my $guard = cf::lock_acquire "write_runtime";
		2756
		2757	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2758	or return;
		2759
		2760	my $value = $cf::RUNTIME + 90 + 10;
		2761	# 10 is the runtime save interval, for a monotonic clock
		2762	# 60 allows for the watchdog to kill the server.
		2763
		2764	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2765	and return;
		2766
		2767	# always fsync - this file is important
		2768	aio_fsync $fh
		2769	and return;
		2770
		2771	# touch it again to show we are up-to-date
		2772	aio_utime $fh, undef, undef;
		2773
		2774	close $fh
		2775	or return;
		2776
		2777	aio_rename "$runtime~", $runtime
		2778	and return;
		2779
		2780	warn "runtime file written.\n";
		2781
		2782	1
		2783	}
		2784
		2785	sub emergency_save() {
		2786	my $freeze_guard = cf::freeze_mainloop;
		2787
		2788	warn "enter emergency perl save\n";
		2789
		2790	cf::sync_job {
		2791	# use a peculiar iteration method to avoid tripping on perl
		2792	# refcount bugs in for. also avoids problems with players
		2793	# and maps saved/destroyed asynchronously.
		2794	warn "begin emergency player save\n";
		2795	for my $login (keys %cf::PLAYER) {
		2796	my $pl = $cf::PLAYER{$login} or next;
		2797	$pl->valid or next;
		2798	$pl->save;
		2799	}
		2800	warn "end emergency player save\n";
		2801
		2802	warn "begin emergency map save\n";
		2803	for my $path (keys %cf::MAP) {
		2804	my $map = $cf::MAP{$path} or next;
		2805	$map->valid or next;
		2806	$map->save;
		2807	}
		2808	warn "end emergency map save\n";
		2809
		2810	warn "begin emergency database checkpoint\n";
		2811	BDB::db_env_txn_checkpoint $DB_ENV;
		2812	warn "end emergency database checkpoint\n";
		2813	};
		2814
		2815	warn "leave emergency perl save\n";
		2816	}
		2817
		2818	sub post_cleanup {
		2819	my ($make_core) = @_;
		2820
		2821	warn Carp::longmess "post_cleanup backtrace"
		2822	if $make_core;
		2823	}
		2824
2013	sub reload() {	2825	sub do_reload_perl() {
2014	# can/must only be called in main	2826	# can/must only be called in main
2015	if ($Coro::current != $Coro::main) {	2827	if ($Coro::current != $Coro::main) {
2016	warn "can only reload from main coroutine\n";	2828	warn "can only reload from main coroutine";
2017	return;	2829	return;
2018	}	2830	}
2019		2831
2020	warn "reloading...";	2832	warn "reloading...";
2021		2833
2022	local $FREEZE = 1;	2834	warn "entering sync_job";
		2835
		2836	cf::sync_job {
		2837	cf::write_runtime; # external watchdog should not bark
2023	cf::emergency_save;	2838	cf::emergency_save;
		2839	cf::write_runtime; # external watchdog should not bark
2024		2840
2025	eval {	2841	warn "syncing database to disk";
		2842	BDB::db_env_txn_checkpoint $DB_ENV;
		2843
2026	# if anything goes wrong in here, we should simply crash as we already saved	2844	# if anything goes wrong in here, we should simply crash as we already saved
2027		2845
2028	# cancel all watchers	2846	warn "cancelling all WF_AUTOCANCEL watchers";
2029	for (Event::all_watchers) {	2847	for (Event::all_watchers) {
2030	$_->cancel if $_->data & WF_AUTOCANCEL;	2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2031	}	2849	}
2032		2850
		2851	warn "flushing outstanding aio requests";
		2852	for (;;) {
		2853	BDB::flush;
		2854	IO::AIO::flush;
		2855	Coro::cede;
		2856	last unless IO::AIO::nreqs || BDB::nreqs;
		2857	warn "iterate...";
		2858	}
		2859
		2860	++$RELOAD;
		2861
2033	# cancel all extension coros	2862	warn "cancelling all extension coros";
2034	$_->cancel for values %EXT_CORO;	2863	$_->cancel for values %EXT_CORO;
2035	%EXT_CORO = ();	2864	%EXT_CORO = ();
2036		2865
2037	# unload all extensions	2866	warn "removing commands";
2038	for (@exts) {	2867	%COMMAND = ();
		2868
		2869	warn "removing ext commands";
		2870	%EXTCMD = ();
		2871
		2872	warn "unloading/nuking all extensions";
		2873	for my $pkg (@EXTS) {
2039	warn "unloading <$_>";	2874	warn "... unloading $pkg";
2040	unload_extension $_;	2875
		2876	if (my $cb = $pkg->can ("unload")) {
		2877	eval {
		2878	$cb->($pkg);
		2879	1
		2880	} or warn "$pkg unloaded, but with errors: $@";
2041	}	2881	}
2042		2882
		2883	warn "... nuking $pkg";
		2884	Symbol::delete_package $pkg;
		2885	}
		2886
2043	# unload all modules loaded from $LIBDIR	2887	warn "unloading all perl modules loaded from $LIBDIR";
2044	while (my ($k, $v) = each %INC) {	2888	while (my ($k, $v) = each %INC) {
2045	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2046		2890
2047	warn "removing <$k>";	2891	warn "... unloading $k";
2048	delete $INC{$k};	2892	delete $INC{$k};
2049		2893
2050	$k =~ s/\.pm$//;	2894	$k =~ s/\.pm$//;
2051	$k =~ s/\//::/g;	2895	$k =~ s/\//::/g;
2052		2896
…		…
2055	}	2899	}
2056		2900
2057	Symbol::delete_package $k;	2901	Symbol::delete_package $k;
2058	}	2902	}
2059		2903
2060	# sync database to disk
2061	cf::db_sync;
2062	IO::AIO::flush;
2063
2064	# get rid of safe::, as good as possible	2904	warn "getting rid of safe::, as good as possible";
2065	Symbol::delete_package "safe::$_"	2905	Symbol::delete_package "safe::$_"
2066	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2067		2907
2068	# remove register_script_function callbacks
2069	# TODO
2070
2071	# unload cf.pm "a bit"	2908	warn "unloading cf.pm \"a bit\"";
2072	delete $INC{"cf.pm"};	2909	delete $INC{"cf.pm"};
		2910	delete $INC{"cf/pod.pm"};
2073		2911
2074	# don't, removes xs symbols, too,	2912	# don't, removes xs symbols, too,
2075	# and global variables created in xs	2913	# and global variables created in xs
2076	#Symbol::delete_package __PACKAGE__;	2914	#Symbol::delete_package __PACKAGE__;
2077		2915
2078	# reload cf.pm	2916	warn "unload completed, starting to reload now";
		2917
2079	warn "reloading cf.pm";	2918	warn "reloading cf.pm";
2080	require cf;	2919	require cf;
2081	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2082		2921
2083	# load config and database again	2922	warn "loading config and database again";
2084	cf::cfg_load;	2923	cf::cfg_load;
2085	cf::db_load;
2086		2924
2087	# load extensions
2088	warn "load extensions";	2925	warn "loading extensions";
2089	cf::load_extensions;	2926	cf::load_extensions;
2090		2927
2091	# reattach attachments to objects	2928	warn "reattaching attachments to objects/players";
2092	warn "reattach";	2929	_global_reattach; # objects, sockets
2093	_global_reattach;	2930	warn "reattaching attachments to maps";
2094	};	2931	reattach $_ for values %MAP;
		2932	warn "reattaching attachments to players";
		2933	reattach $_ for values %PLAYER;
2095		2934
2096	if ($@) {	2935	warn "leaving sync_job";
		2936
		2937	1
		2938	} or do {
2097	warn $@;	2939	warn $@;
2098	warn "error while reloading, exiting.";	2940	warn "error while reloading, exiting.";
2099	exit 1;	2941	exit 1;
2100	}	2942	};
2101		2943
2102	warn "reloaded successfully";	2944	warn "reloaded";
2103	};	2945	};
2104		2946
2105	#############################################################################	2947	our $RELOAD_WATCHER; # used only during reload
2106		2948
2107	unless ($LINK_MAP) {	2949	sub reload_perl() {
2108	$LINK_MAP = cf::map::new;	2950	# doing reload synchronously and two reloads happen back-to-back,
		2951	# coro crashes during coro_state_free->destroy here.
2109		2952
2110	$LINK_MAP->width (41);	2953	$RELOAD_WATCHER ||= Event->timer (
2111	$LINK_MAP->height (41);	2954	reentrant => 0,
2112	$LINK_MAP->alloc;
2113	$LINK_MAP->path ("{link}");
2114	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2115	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2116
2117	# dirty hack because... archetypes are not yet loaded
2118	Event->timer (
2119	after => 2,	2955	after => 0,
		2956	data => WF_AUTOCANCEL,
2120	cb => sub {	2957	cb => sub {
2121	$_[0]->w->cancel;	2958	do_reload_perl;
2122		2959	undef $RELOAD_WATCHER;
2123	# provide some exits "home"
2124	my $exit = cf::object::new "exit";
2125
2126	$exit->slaying ($EMERGENCY_POSITION->[0]);
2127	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2128	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2129
2130	$LINK_MAP->insert ($exit->clone, 19, 19);
2131	$LINK_MAP->insert ($exit->clone, 19, 20);
2132	$LINK_MAP->insert ($exit->clone, 19, 21);
2133	$LINK_MAP->insert ($exit->clone, 20, 19);
2134	$LINK_MAP->insert ($exit->clone, 20, 21);
2135	$LINK_MAP->insert ($exit->clone, 21, 19);
2136	$LINK_MAP->insert ($exit->clone, 21, 20);
2137	$LINK_MAP->insert ($exit->clone, 21, 21);
2138
2139	$exit->destroy;
2140	});	2960	},
2141		2961	);
2142	$LINK_MAP->{deny_save} = 1;
2143	$LINK_MAP->{deny_reset} = 1;
2144
2145	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2146	}	2962	}
2147
2148	register "<global>", __PACKAGE__;
2149		2963
2150	register_command "reload" => sub {	2964	register_command "reload" => sub {
2151	my ($who, $arg) = @_;	2965	my ($who, $arg) = @_;
2152		2966
2153	if ($who->flag (FLAG_WIZ)) {	2967	if ($who->flag (FLAG_WIZ)) {
2154	$who->message ("start of reload.");
2155	reload;
2156	$who->message ("end of reload.");	2968	$who->message ("reloading server.");
		2969	async { reload_perl };
2157	}	2970	}
2158	};	2971	};
2159		2972
2160	unshift @INC, $LIBDIR;	2973	unshift @INC, $LIBDIR;
2161		2974
		2975	my $bug_warning = 0;
		2976
		2977	our @WAIT_FOR_TICK;
		2978	our @WAIT_FOR_TICK_BEGIN;
		2979
		2980	sub wait_for_tick {
		2981	return unless $TICK_WATCHER->is_active;
		2982	return if $Coro::current == $Coro::main;
		2983
		2984	my $signal = new Coro::Signal;
		2985	push @WAIT_FOR_TICK, $signal;
		2986	$signal->wait;
		2987	}
		2988
		2989	sub wait_for_tick_begin {
		2990	return unless $TICK_WATCHER->is_active;
		2991	return if $Coro::current == $Coro::main;
		2992
		2993	my $signal = new Coro::Signal;
		2994	push @WAIT_FOR_TICK_BEGIN, $signal;
		2995	$signal->wait;
		2996	}
		2997
		2998	my $min = 1e6;#d#
		2999	my $avg = 10;
2162	$TICK_WATCHER = Event->timer (	3000	$TICK_WATCHER = Event->timer (
2163	reentrant => 0,	3001	reentrant => 0,
		3002	parked => 1,
2164	prio => 0,	3003	prio => 0,
2165	at => $NEXT_TICK || $TICK,	3004	at => $NEXT_TICK || $TICK,
2166	data => WF_AUTOCANCEL,	3005	data => WF_AUTOCANCEL,
2167	cb => sub {	3006	cb => sub {
2168	unless ($FREEZE) {	3007	if ($Coro::current != $Coro::main) {
		3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3009	unless ++$bug_warning > 10;
		3010	return;
		3011	}
		3012
		3013	$NOW = $tick_start = Event::time;
		3014
2169	cf::server_tick; # one server iteration	3015	cf::server_tick; # one server iteration
2170	$RUNTIME += $TICK;	3016
		3017	0 && sync_job {#d#
		3018	for(1..10) {
		3019	my $t = Event::time;
		3020	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3021	or die;
		3022
		3023	$map->width (50);
		3024	$map->height (50);
		3025	$map->alloc;
		3026	$map->_load_objects ("/tmp/x.map", 1);
		3027	my $t = Event::time - $t;
		3028
		3029	#next unless $t < 0.0013;#d#
		3030	if ($t < $min) {
		3031	$min = $t;
		3032	}
		3033	$avg = $avg * 0.99 + $t * 0.01;
		3034	}
		3035	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3036	exit 0;
		3037	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2171	}	3038	};
2172		3039
		3040	$RUNTIME += $TICK;
2173	$NEXT_TICK += $TICK;	3041	$NEXT_TICK += $TICK;
2174		3042
		3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3045	Coro::async_pool {
		3046	write_runtime
		3047	or warn "ERROR: unable to write runtime file: $!";
		3048	};
		3049	}
		3050
		3051	# my $AFTER = Event::time;
		3052	# warn $AFTER - $NOW;#d#
		3053
		3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3055	$sig->send;
		3056	}
		3057	while (my $sig = shift @WAIT_FOR_TICK) {
		3058	$sig->send;
		3059	}
		3060
		3061	$NOW = Event::time;
		3062
2175	# if we are delayed by four ticks or more, skip them all	3063	# if we are delayed by four ticks or more, skip them all
2176	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2177		3065
2178	$TICK_WATCHER->at ($NEXT_TICK);	3066	$TICK_WATCHER->at ($NEXT_TICK);
2179	$TICK_WATCHER->start;	3067	$TICK_WATCHER->start;
		3068
		3069	$LOAD = ($NOW - $tick_start) / $TICK;
		3070	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3071
		3072	_post_tick;
		3073
		3074
2180	},	3075	},
2181	);	3076	);
2182		3077
		3078	{
2183	IO::AIO::max_poll_time $TICK * 0.2;	3079	BDB::max_poll_time $TICK * 0.1;
2184		3080	$BDB_POLL_WATCHER = Event->io (
2185	Event->io (	3081	reentrant => 0,
2186	fd => IO::AIO::poll_fileno,	3082	fd => BDB::poll_fileno,
2187	poll => 'r',	3083	poll => 'r',
2188	prio => 5,	3084	prio => 0,
2189	data => WF_AUTOCANCEL,
2190	cb => \&IO::AIO::poll_cb,
2191	);
2192
2193	Event->timer (
2194	data => WF_AUTOCANCEL,	3085	data => WF_AUTOCANCEL,
2195	after => 0,	3086	cb => \&BDB::poll_cb,
2196	interval => 10,	3087	);
2197	cb => sub {	3088	BDB::min_parallel 8;
2198	(Coro::unblock_sub {	3089
2199	write_runtime	3090	BDB::set_sync_prepare {
2200	or warn "ERROR: unable to write runtime file: $!";	3091	my $status;
		3092	my $current = $Coro::current;
		3093	(
		3094	sub {
		3095	$status = $!;
		3096	$current->ready; undef $current;
		3097	},
		3098	sub {
		3099	Coro::schedule while defined $current;
		3100	$! = $status;
		3101	},
		3102	)
		3103	};
		3104
		3105	unless ($DB_ENV) {
		3106	$DB_ENV = BDB::db_env_create;
		3107
		3108	cf::sync_job {
		3109	eval {
		3110	BDB::db_env_open
		3111	$DB_ENV,
		3112	$BDBDIR,
		3113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3115	0666;
		3116
		3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3118
		3119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3120	$DB_ENV->set_lk_detect;
		3121	};
		3122
		3123	cf::cleanup "db_env_open(db): $@" if $@;
2201	})->();	3124	};
2202	},	3125	}
2203	);	3126	}
		3127
		3128	{
		3129	IO::AIO::min_parallel 8;
		3130
		3131	undef $Coro::AIO::WATCHER;
		3132	IO::AIO::max_poll_time $TICK * 0.1;
		3133	$AIO_POLL_WATCHER = Event->io (
		3134	reentrant => 0,
		3135	data => WF_AUTOCANCEL,
		3136	fd => IO::AIO::poll_fileno,
		3137	poll => 'r',
		3138	prio => 6,
		3139	cb => \&IO::AIO::poll_cb,
		3140	);
		3141	}
		3142
		3143	my $_log_backtrace;
		3144
		3145	sub _log_backtrace {
		3146	my ($msg, @addr) = @_;
		3147
		3148	$msg =~ s/\n//;
		3149
		3150	# limit the # of concurrent backtraces
		3151	if ($_log_backtrace < 2) {
		3152	++$_log_backtrace;
		3153	async {
		3154	my @bt = fork_call {
		3155	@addr = map { sprintf "%x", $_ } @addr;
		3156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3158	or die "addr2line: $!";
		3159
		3160	my @funcs;
		3161	my @res = <$fh>;
		3162	chomp for @res;
		3163	while (@res) {
		3164	my ($func, $line) = splice @res, 0, 2, ();
		3165	push @funcs, "[$func] $line";
		3166	}
		3167
		3168	@funcs
		3169	};
		3170
		3171	LOG llevInfo, "[ABT] $msg\n";
		3172	LOG llevInfo, "[ABT] $_\n" for @bt;
		3173	--$_log_backtrace;
		3174	};
		3175	} else {
		3176	LOG llevInfo, "[ABT] $msg\n";
		3177	LOG llevInfo, "[ABT] [suppressed]\n";
		3178	}
		3179	}
		3180
		3181	# load additional modules
		3182	use cf::pod;
2204		3183
2205	END { cf::emergency_save }	3184	END { cf::emergency_save }
2206		3185
2207	1	3186	1
2208		3187

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