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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.189 by root, Sun Jan 21 21:28:27 2007 UTC vs.
Revision 1.411 by root, Fri Feb 1 15:54:07 2008 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 Storable;	8	use Socket;
		9	use EV 1.86;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.4 ();	15	use Coro 4.32 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
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::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
19		26
		27	use JSON::XS 2.01 ();
		28	use BDB ();
20	use Data::Dumper;	29	use Data::Dumper;
21	use Digest::MD5;	30	use Digest::MD5;
22	use Fcntl;	31	use Fcntl;
		32	use YAML ();
23	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	34	use Time::HiRes;
		35	use Compress::LZF;
		36	use Digest::MD5 ();
26		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	# configure various modules to our taste
		39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
		41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		43
		44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		45
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
36	our %COMMAND = ();	48	our %COMMAND = ();
37	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
38		50
39	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71	our %RESOURCE;
		72
		73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	74	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	77	our $NEXT_TICK;
52	our $NOW;	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
		84	our $DB_ENV;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
58		91
59	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	133	every server tick.
102		134
103	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
115		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
140	LOG llevError, $msg;	192	LOG llevError, $msg;
141	};	193	};
142	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	return unless $^S eq 0; # "eq", not "=="
		198
		199	if ($Coro::current == $Coro::main) {#d#
		200	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		201	return;#d#
		202	}#d#
		203
		204	# kill coroutine otherwise
		205	warn Carp::longmess $_[0];
		206	Coro::terminate
		207	};
		208
		209	$SIG{__DIE__} = sub { }; #d#?
143		210
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	215	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		216	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	217	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		218
151	# we bless all objects into (empty) derived classes to force a method lookup	219	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	220	# within the Safe compartment.
153	for my $pkg (qw(	221	for my $pkg (qw(
154	cf::global cf::attachable	222	cf::global cf::attachable
…		…
159	)) {	227	)) {
160	no strict 'refs';	228	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	230	}
163		231
164	$Event::DIED = sub {	232	$EV::DIED = sub {
165	warn "error in event callback: @_";	233	warn "error in event callback: @_";
166	};	234	};
		235
		236	#############################################################################
167		237
168	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
169		239
170	=over 4	240	=over 4
171		241
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	260	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	261	$d
192	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
193	}	263	}
194		264
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
198		266
199	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
200		268
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
209		270
210	Converts a perl data structure into its JSON representation.	271	Converts a perl data structure into its JSON representation.
211		272
212	=cut	273	=cut
213		274
214	sub to_json($) {	275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	276
216	JSON::Syck::Dump $_[0]	277	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	278	sub decode_json($) { $json_coder->decode ($_[0]) }
218		279
219	=item cf::lock_wait $string	280	=item cf::lock_wait $string
220		281
221	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
222		283
…		…
225	Wait until the given lock is available and then acquires it and returns	286	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	287	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	288	for example when the coroutine gets canceled), the lock is automatically
228	returned.	289	returned.
229		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
230	Lock names should begin with a unique identifier (for example, cf::map::find	294	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
232		296
		297	=item $locked = cf::lock_active $string
		298
		299	Return true if the lock is currently active, i.e. somebody has locked it.
		300
233	=cut	301	=cut
234		302
235	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
236		305
237	sub lock_wait($) {	306	sub lock_wait($) {
238	my ($key) = @_;	307	my ($key) = @_;
		308
		309	if ($LOCKER{$key} == $Coro::current) {#d#
		310	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		311	return;#d#
		312	}#d#
239		313
240	# wait for lock, if any	314	# wait for lock, if any
241	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	317	Coro::schedule;
…		…
249		323
250	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
251	lock_wait $key;	325	lock_wait $key;
252		326
253	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
254		329
255	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
258	}	334	}
259	}	335	}
260		336
		337	sub lock_active($) {
		338	my ($key) = @_;
		339
		340	! ! $LOCK{$key}
		341	}
		342
261	sub freeze_mainloop {	343	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	344	return unless $TICK_WATCHER->is_active;
263		345
264	my $guard = Coro::guard {	346	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	347	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	348	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
270	$guard	350	$guard
		351	}
		352
		353	=item cf::periodic $interval, $cb
		354
		355	Like EV::periodic, but randomly selects a starting point so that the actions
		356	get spread over timer.
		357
		358	=cut
		359
		360	sub periodic($$) {
		361	my ($interval, $cb) = @_;
		362
		363	my $start = rand List::Util::min 180, $interval;
		364
		365	EV::periodic $start, $interval, 0, $cb
		366	}
		367
		368	=item cf::get_slot $time[, $priority[, $name]]
		369
		370	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		371	This call blocks and returns only when you have at least C<$time> seconds
		372	of cpu time till the next tick. The slot is only valid till the next cede.
		373
		374	The optional C<$name> can be used to identify the job to run. It might be
		375	used for statistical purposes and should identify the same time-class.
		376
		377	Useful for short background jobs.
		378
		379	=cut
		380
		381	our @SLOT_QUEUE;
		382	our $SLOT_QUEUE;
		383
		384	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		385	$SLOT_QUEUE = Coro::async {
		386	$Coro::current->desc ("timeslot manager");
		387
		388	my $signal = new Coro::Signal;
		389
		390	while () {
		391	next_job:
		392	my $avail = cf::till_tick;
		393	if ($avail > 0.01) {
		394	for (0 .. $#SLOT_QUEUE) {
		395	if ($SLOT_QUEUE[$_][0] < $avail) {
		396	my $job = splice @SLOT_QUEUE, $_, 1, ();
		397	$job->[2]->send;
		398	Coro::cede;
		399	goto next_job;
		400	}
		401	}
		402	}
		403
		404	if (@SLOT_QUEUE) {
		405	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		406	push @cf::WAIT_FOR_TICK, $signal;
		407	$signal->wait;
		408	} else {
		409	Coro::schedule;
		410	}
		411	}
		412	};
		413
		414	sub get_slot($;$$) {
		415	my ($time, $pri, $name) = @_;
		416
		417	$time = $TICK * .6 if $time > $TICK * .6;
		418	my $sig = new Coro::Signal;
		419
		420	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		421	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		422	$SLOT_QUEUE->ready;
		423	$sig->wait;
271	}	424	}
272		425
273	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
274		427
275	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		433
281	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
282		435
283	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
284		437
285	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
288		442
289	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
292	fast or be very important.	446	fast or be very important.
…		…
295		449
296	sub sync_job(&) {	450	sub sync_job(&) {
297	my ($job) = @_;	451	my ($job) = @_;
298		452
299	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
		454	my $time = EV::time;
		455
300	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
302		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
303	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	462	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
306		464
307	my $busy = 1;	465	my $busy = 1;
308	my @res;	466	my @res;
309		467
310	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	470	@res = eval { $job->() };
312	warn $@ if $@;	471	warn $@ if $@;
313	undef $busy;	472	undef $busy;
314	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
315		474
316	while ($busy) {	475	while ($busy) {
317	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
318	}	480	}
		481	}
		482
		483	$time = EV::time - $time;
		484
		485	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		486	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		487
		488	$tick_start += $time; # do not account sync jobs to server load
319		489
320	wantarray ? @res : $res[0]	490	wantarray ? @res : $res[0]
321	} else {	491	} else {
322	# we are in another coroutine, how wonderful, everything just works	492	# we are in another coroutine, how wonderful, everything just works
323		493
…		…
343	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
344		514
345	$coro	515	$coro
346	}	516	}
347		517
348	sub write_runtime {	518	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		519
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	520	Executes the given code block with the given arguments in a seperate
352	or return;	521	process, returning the results. Everything must be serialisable with
		522	Coro::Storable. May, of course, block. Note that the executed sub may
		523	never block itself or use any form of event handling.
353		524
354	my $value = $cf::RUNTIME + 90 + 10;	525	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		526
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	527	sub fork_call(&@) {
359	and return;	528	my ($cb, @args) = @_;
360		529
361	aio_fsync $fh	530	# we seemingly have to make a local copy of the whole thing,
362	and return;	531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
363		533
364	close $fh	534	my @res = Coro::Util::fork_eval {
365	or return;	535	reset_signals;
		536	&$cb
		537	}, @args;
366		538
367	aio_rename "$runtime~", $runtime	539	wantarray ? @res : $res[-1]
368	and return;	540	}
369		541
		542	=item $value = cf::db_get $family => $key
		543
		544	Returns a single value from the environment database.
		545
		546	=item cf::db_put $family => $key => $value
		547
		548	Stores the given C<$value> in the family. It can currently store binary
		549	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		550
		551	=item $db = cf::db_table "name"
		552
		553	Create and/or open a new database table. The string must not be "db" and must be unique
		554	within each server.
		555
		556	=cut
		557
		558	sub db_table($) {
		559	my ($name) = @_;
		560	my $db = BDB::db_create $DB_ENV;
		561
		562	eval {
		563	$db->set_flags (BDB::CHKSUM);
		564
		565	utf8::encode $name;
		566	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		567	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		568	cf::cleanup "db_open(db): $!" if $!;
		569	};
		570	cf::cleanup "db_open(db): $@" if $@;
		571
		572	$db
		573	}
		574
		575	our $DB;
		576
		577	sub db_init {
		578	cf::sync_job {
		579	$DB ||= db_table "db";
		580	};
		581	}
		582
		583	sub db_get($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
370	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		595	BDB::dbreq_pri 4;
		596	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		597	}
		598
		599	=item cf::cache $id => [$paths...], $processversion => $process
		600
		601	Generic caching function that returns the value of the resource $id,
		602	caching and regenerating as required.
		603
		604	This function can block.
		605
		606	=cut
		607
		608	sub cache {
		609	my ($id, $src, $processversion, $process) = @_;
		610
		611	my $meta =
		612	join "\x00",
		613	$processversion,
		614	map {
		615	aio_stat $_
		616	and Carp::croak "$_: $!";
		617
		618	($_, (stat _)[7,9])
		619	} @$src;
		620
		621	my $dbmeta = db_get cache => "$id/meta";
		622	if ($dbmeta ne $meta) {
		623	# changed, we may need to process
		624
		625	my @data;
		626	my $md5;
		627
		628	for (0 .. $#$src) {
		629	0 <= aio_load $src->[$_], $data[$_]
		630	or Carp::croak "$src->[$_]: $!";
		631	}
		632
		633	# if processing is expensive, check
		634	# checksum first
		635	if (1) {
		636	$md5 =
		637	join "\x00",
		638	$processversion,
		639	map {
		640	cf::cede_to_tick;
		641	($src->[$_], Digest::MD5::md5_hex $data[$_])
		642	} 0.. $#$src;
		643
		644
		645	my $dbmd5 = db_get cache => "$id/md5";
		646	if ($dbmd5 eq $md5) {
		647	db_put cache => "$id/meta", $meta;
		648
		649	return db_get cache => "$id/data";
		650	}
		651	}
		652
		653	my $t1 = Time::HiRes::time;
		654	my $data = $process->(\@data);
		655	my $t2 = Time::HiRes::time;
		656
		657	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		658
		659	db_put cache => "$id/data", $data;
		660	db_put cache => "$id/md5" , $md5;
		661	db_put cache => "$id/meta", $meta;
		662
		663	return $data;
		664	}
		665
		666	db_get cache => "$id/data"
		667	}
		668
		669	=item cf::datalog type => key => value, ...
		670
		671	Log a datalog packet of the given type with the given key-value pairs.
		672
		673	=cut
		674
		675	sub datalog($@) {
		676	my ($type, %kv) = @_;
		677	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	678	}
372		679
373	=back	680	=back
374		681
375	=cut	682	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	689	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
384		691
385	In the following description, CLASS can be any of C<global>, C<object>	692	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	693	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	694	Deliantra).
388		695
389	=over 4	696	=over 4
390		697
391	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
392		699
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	862	$registry = $CB_TYPE[$object_type] ||= [];
556		863
557	} elsif ($type eq "subtype") {	864	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	865	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	866	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	867	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		868
562	} elsif ($type eq "package") {	869	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	870	my $pkg = shift @arg;
564		871
565	while (my ($name, $id) = each %cb_id) {	872	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
595	}	902	}
596		903
597	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
598	} else {	905	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	907	}
601		908
602	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
603	}	910	}
604		911
…		…
606	if (ref $_[0]) {	913	if (ref $_[0]) {
607	_object_attach @_;	914	_object_attach @_;
608	} else {	915	} else {
609	_attach shift->_attach_registry, @_;	916	_attach shift->_attach_registry, @_;
610	}	917	}
		918	_recalc_want;
611	};	919	};
612		920
613	# all those should be optimised	921	# all those should be optimised
614	sub cf::attachable::detach {	922	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	926	delete $obj->{_attachment}{$name};
619	reattach ($obj);	927	reattach ($obj);
620	} else {	928	} else {
621	Carp::croak "cannot, currently, detach class attachments";	929	Carp::croak "cannot, currently, detach class attachments";
622	}	930	}
		931	_recalc_want;
623	};	932	};
624		933
625	sub cf::attachable::attached {	934	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
627		936
…		…
642	";	951	";
643	die if $@;	952	die if $@;
644	}	953	}
645		954
646	our $override;	955	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	956	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		957
649	sub override {	958	sub override {
650	$override = 1;	959	$override = 1;
651	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
652	}	961	}
653		962
654	sub do_invoke {	963	sub do_invoke {
655	my $event = shift;	964	my $event = shift;
656	my $callbacks = shift;	965	my $callbacks = shift;
657		966
658	@invoke_results = ();	967	@INVOKE_RESULTS = ();
659		968
660	local $override;	969	local $override;
661		970
662	for (@$callbacks) {	971	for (@$callbacks) {
663	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
672	}	981	}
673		982
674	0	983	0
675	}	984	}
676		985
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		987
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		989
681	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
682		991
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	992	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	993	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		995
687	=back	996	=back
688		997
689	=cut	998	=cut
690		999
691	#############################################################################	1000	#############################################################################
692	# object support	1001	# object support
		1002
		1003	sub _object_equal($$);
		1004	sub _object_equal($$) {
		1005	my ($a, $b) = @_;
		1006
		1007	return 0 unless (ref $a) eq (ref $b);
		1008
		1009	if ("HASH" eq ref $a) {
		1010	my @ka = keys %$a;
		1011	my @kb = keys %$b;
		1012
		1013	return 0 if @ka != @kb;
		1014
		1015	for (0 .. $#ka) {
		1016	return 0 unless $ka[$_] eq $kb[$_];
		1017	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1018	}
		1019
		1020	} elsif ("ARRAY" eq ref $a) {
		1021
		1022	return 0 if @$a != @$b;
		1023
		1024	for (0 .. $#$a) {
		1025	return 0 unless _object_equal $a->[$_], $b->[$_];
		1026	}
		1027
		1028	} elsif ($a ne $b) {
		1029	return 0;
		1030	}
		1031
		1032	1
		1033	}
		1034
		1035	our $SLOW_MERGES;#d#
		1036	sub _can_merge {
		1037	my ($ob1, $ob2) = @_;
		1038
		1039	++$SLOW_MERGES;#d#
		1040
		1041	# we do the slow way here
		1042	return _object_equal $ob1, $ob2
		1043	}
693		1044
694	sub reattach {	1045	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1047	my ($obj) = @_;
697		1048
…		…
718	cf::attachable->attach (	1069	cf::attachable->attach (
719	prio => -1000000,	1070	prio => -1000000,
720	on_instantiate => sub {	1071	on_instantiate => sub {
721	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
722		1073
723	$data = from_json $data;	1074	$data = decode_json $data;
724		1075
725	for (@$data) {	1076	for (@$data) {
726	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
727		1078
728	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1095	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
746		1097
747	sync_job {	1098	sync_job {
748	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
751		1103
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1107	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1108	close $fh;
757		1109
758	if (@$objs) {	1110	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1111	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1115	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1116	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
766	}	1118	}
767	} else {	1119	} else {
768	aio_unlink "$filename.pst";	1120	aio_unlink "$filename.pst";
…		…
774	}	1126	}
775	} else {	1127	} else {
776	aio_unlink $filename;	1128	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
778	}	1130	}
779	}	1131	};
780	}	1132	}
781		1133
782	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
784		1136
…		…
796	or return;	1148	or return;
797		1149
798	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
800	or return;	1152	or return;
		1153
801	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
802	}	1156	}
803		1157
		1158	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
806	return ($data, $av);	1162	($data, $av)
807	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
808		1170
809	#############################################################################	1171	#############################################################################
810	# command handling &c	1172	# command handling &c
811		1173
812	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1188	}
827		1189
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1191
830	Register a callbackf ro execution when the client sends an extcmd packet.	1192	Register a callback for execution when the client sends an (synchronous)
		1193	extcmd packet. Ext commands will be processed in the order they are
		1194	received by the server, like other user commands. The first argument is
		1195	the logged-in player. Ext commands can only be processed after a player
		1196	has logged in successfully.
831		1197
832	If the callback returns something, it is sent back as if reply was being	1198	If the callback returns something, it is sent back as if reply was being
833	called.	1199	called.
834		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
835	=cut	1212	=cut
836		1213
837	sub register_extcmd {	1214	sub register_extcmd {
838	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
839		1216
840	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
841	}	1224	}
842		1225
843	cf::player->attach (	1226	cf::player->attach (
844	on_command => sub {	1227	on_command => sub {
845	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1237	cf::override;
855	},	1238	},
856	on_extcmd => sub {	1239	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
858		1241
859	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1243
861	if (ref $msg) {	1244	if (ref $msg) {
		1245	my ($type, $reply, @payload) =
		1246	"ARRAY" eq ref $msg
		1247	? @$msg
		1248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1249
		1250	my @reply;
		1251
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
867	} else {	1259	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1261	}
870		1262
871	cf::override;	1263	cf::override;
872	},	1264	},
873	);	1265	);
874		1266
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
910	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1272	next unless -r $path;
912	eval {	1273
913	load_extension $ext;	1274	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1275	my $base = $1;
		1276	my $pkg = $1;
		1277	$pkg =~ s/[^[:word:]]/_/g;
		1278	$pkg = "ext::$pkg";
		1279
		1280	open my $fh, "<:utf8", $path
		1281	or die "$path: $!";
		1282
		1283	my $source = do { local $/; <$fh> };
		1284
		1285	my %ext = (
		1286	path => $path,
		1287	base => $base,
		1288	pkg => $pkg,
		1289	);
		1290
		1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1293
		1294	$ext{source} =
		1295	"package $pkg; use strict; use utf8;\n"
		1296	. "#line 1 \"$path\"\n{\n"
		1297	. $source
		1298	. "\n};\n1";
		1299
		1300	$todo{$base} = \%ext;
		1301	}
		1302
		1303	my %done;
		1304	while (%todo) {
		1305	my $progress;
		1306
		1307	while (my ($k, $v) = each %todo) {
		1308	for (split /,\s*/, $v->{meta}{depends}) {
		1309	goto skip
		1310	unless exists $done{$_};
		1311	}
		1312
		1313	warn "... loading '$k' into '$v->{pkg}'\n";
		1314
		1315	unless (eval $v->{source}) {
		1316	my $msg = $@ ? "$v->{path}: $@\n"
		1317	: "$v->{base}: extension inactive.\n";
		1318
		1319	if (exists $v->{meta}{mandatory}) {
		1320	warn $msg;
		1321	cf::cleanup "mandatory extension failed to load, exiting.";
		1322	}
		1323
		1324	warn $msg;
		1325	}
		1326
		1327	$done{$k} = delete $todo{$k};
		1328	push @EXTS, $v->{pkg};
		1329	$progress = 1;
914	1	1330	}
915	} or warn "$ext not loaded: $@";	1331
		1332	skip:
		1333	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1334	unless $progress;
		1335	}
916	}	1336	};
917	}	1337	}
918		1338
919	#############################################################################	1339	#############################################################################
920		1340
		1341	=back
		1342
921	=head2 CORE EXTENSIONS	1343	=head2 CORE EXTENSIONS
922		1344
923	Functions and methods that extend core crossfire objects.	1345	Functions and methods that extend core crossfire objects.
924		1346
925	=cut	1347	=cut
…		…
930		1352
931	=head3 cf::player	1353	=head3 cf::player
932		1354
933	=over 4	1355	=over 4
934		1356
		1357	=item cf::player::num_playing
		1358
		1359	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1360
		1361	=cut
		1362
		1363	sub num_playing {
		1364	scalar grep
		1365	$_->ob->map
		1366	&& !$_->hidden
		1367	&& !$_->ob->flag (cf::FLAG_WIZ),
		1368	cf::player::list
		1369	}
		1370
935	=item cf::player::find $login	1371	=item cf::player::find $login
936		1372
937	Returns the given player object, loading it if necessary (might block).	1373	Returns the given player object, loading it if necessary (might block).
938		1374
939	=cut	1375	=cut
940		1376
941	sub playerdir($) {	1377	sub playerdir($) {
942	cf::localdir	1378	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1379	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1380	}
948		1381
949	sub path($) {	1382	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1383	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1384
952	(playerdir $login) . "/$login.pl"	1385	(playerdir $login) . "/playerdata"
953	}	1386	}
954		1387
955	sub find_active($) {	1388	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1389	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1390	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1403	my $login = $_[0];
971		1404
972	my $guard = cf::lock_acquire "user_find:$login";	1405	my $guard = cf::lock_acquire "user_find:$login";
973		1406
974	$cf::PLAYER{$_[0]} || do {	1407	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1408	# rename old playerfiles to new ones
		1409	#TODO: remove when no longer required
		1410	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1411	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1412	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1413	aio_unlink +(playerdir $login) . "/$login.pl";
		1414
		1415	my $f = new_from_file cf::object::thawer path $login
976	or return;	1416	or return;
		1417
		1418	my $pl = cf::player::load_pl $f
		1419	or return;
		1420	local $cf::PLAYER_LOADING{$login} = $pl;
		1421	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1422	$cf::PLAYER{$login} = $pl
978	}	1423	}
979	}	1424	}
980	}	1425	}
981		1426
…		…
991		1436
992	aio_mkdir playerdir $pl, 0770;	1437	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1438	$pl->{last_save} = $cf::RUNTIME;
994		1439
995	$pl->save_pl ($path);	1440	$pl->save_pl ($path);
996	Coro::cede;	1441	cf::cede_to_tick;
997	}	1442	}
998		1443
999	sub new($) {	1444	sub new($) {
1000	my ($login) = @_;	1445	my ($login) = @_;
1001		1446
…		…
1007	$cf::PLAYER{$login} = $self;	1452	$cf::PLAYER{$login} = $self;
1008		1453
1009	$self	1454	$self
1010	}	1455	}
1011		1456
		1457	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1458
		1459	=cut
		1460
		1461	sub send_msg {
		1462	my $ns = shift->ns
		1463	or return;
		1464	$ns->send_msg (@_);
		1465	}
		1466
1012	=item $pl->quit_character	1467	=item $pl->quit_character
1013		1468
1014	Nukes the player without looking back. If logged in, the connection will	1469	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1470	be destroyed. May block for a long time.
1016		1471
1017	=cut	1472	=cut
1018		1473
1019	sub quit_character {	1474	sub quit_character {
1020	my ($pl) = @_;	1475	my ($pl) = @_;
		1476
		1477	my $name = $pl->ob->name;
1021		1478
1022	$pl->{deny_save} = 1;	1479	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1480	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1481
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1482	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1487	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1488	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1489	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1490	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1491	$pl->destroy;
		1492
		1493	my $prefix = qr<^~\Q$name\E/>;
		1494
		1495	# nuke player maps
		1496	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1497
1035	IO::AIO::aio_rmtree $temp;	1498	IO::AIO::aio_rmtree $temp;
		1499	}
		1500
		1501	=item $pl->kick
		1502
		1503	Kicks a player out of the game. This destroys the connection.
		1504
		1505	=cut
		1506
		1507	sub kick {
		1508	my ($pl, $kicker) = @_;
		1509
		1510	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1511	$pl->killer ("kicked");
		1512	$pl->ns->destroy;
1036	}	1513	}
1037		1514
1038	=item cf::player::list_logins	1515	=item cf::player::list_logins
1039		1516
1040	Returns am arrayref of all valid playernames in the system, can take a	1517	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1518	while and may block, so not sync_job-capable, ever.
1042		1519
1043	=cut	1520	=cut
1044		1521
1045	sub list_logins {	1522	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1523	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1524	or return [];
1048		1525
1049	my @logins;	1526	my @logins;
1050		1527
1051	for my $login (@$dirs) {	1528	for my $login (@$dirs) {
		1529	my $path = path $login;
		1530
		1531	# a .pst is a dead give-away for a valid player
		1532	unless (-e "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1533	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1534	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1535	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1536	}
1055		1537
1056	utf8::decode $login;	1538	utf8::decode $login;
1057	push @logins, $login;	1539	push @logins, $login;
1058	}	1540	}
1059		1541
…		…
1067		1549
1068	=cut	1550	=cut
1069		1551
1070	sub maps($) {	1552	sub maps($) {
1071	my ($pl) = @_;	1553	my ($pl) = @_;
		1554
		1555	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1556
1073	my $files = aio_readdir playerdir $pl	1557	my $files = aio_readdir playerdir $pl
1074	or return;	1558	or return;
1075		1559
1076	my @paths;	1560	my @paths;
…		…
1078	for (@$files) {	1562	for (@$files) {
1079	utf8::decode $_;	1563	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1564	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1565	next unless /^$PATH_SEP/o;
1082		1566
1083	s/\.map$//;	1567	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1568	}
1086		1569
1087	\@paths	1570	\@paths
1088	}	1571	}
1089		1572
		1573	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1574
		1575	Expand crossfire pod fragments into protocol xml.
		1576
		1577	=cut
		1578
		1579	use re 'eval';
		1580
		1581	my $group;
		1582	my $interior; $interior = qr{
		1583	# match a pod interior sequence sans C<< >>
		1584	(?:
		1585	\ (.*?)\ (?{ $group = $^N })
		1586	| < (??{$interior}) >
		1587	)
		1588	}x;
		1589
		1590	sub expand_cfpod {
		1591	my ($self, $pod) = @_;
		1592
		1593	my $xml;
		1594
		1595	while () {
		1596	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1597	$group = $1;
		1598
		1599	$group =~ s/&/&amp;/g;
		1600	$group =~ s/</&lt;/g;
		1601
		1602	$xml .= $group;
		1603	} elsif ($pod =~ m%\G
		1604	([BCGHITU])
		1605	<
		1606	(?:
		1607	([^<>]*) (?{ $group = $^N })
		1608	| < $interior >
		1609	)
		1610	>
		1611	%gcsx
		1612	) {
		1613	my ($code, $data) = ($1, $group);
		1614
		1615	if ($code eq "B") {
		1616	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1617	} elsif ($code eq "I") {
		1618	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1619	} elsif ($code eq "U") {
		1620	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1621	} elsif ($code eq "C") {
		1622	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1623	} elsif ($code eq "T") {
		1624	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1625	} elsif ($code eq "G") {
		1626	my ($male, $female) = split /\|/, $data;
		1627	$data = $self->gender ? $female : $male;
		1628	$xml .= expand_cfpod ($self, $data);
		1629	} elsif ($code eq "H") {
		1630	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1631	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1632	"")
		1633	[$self->{hintmode}];
		1634	} else {
		1635	$xml .= "error processing '$code($data)' directive";
		1636	}
		1637	} else {
		1638	if ($pod =~ /\G(.+)/) {
		1639	warn "parse error while expanding $pod (at $1)";
		1640	}
		1641	last;
		1642	}
		1643	}
		1644
		1645	for ($xml) {
		1646	# create single paragraphs (very hackish)
		1647	s/(?<=\S)\n(?=\w)/ /g;
		1648
		1649	# compress some whitespace
		1650	s/\s+\n/\n/g; # ws line-ends
		1651	s/\n\n+/\n/g; # double lines
		1652	s/^\n+//; # beginning lines
		1653	s/\n+$//; # ending lines
		1654	}
		1655
		1656	$xml
		1657	}
		1658
		1659	no re 'eval';
		1660
		1661	sub hintmode {
		1662	$_[0]{hintmode} = $_[1] if @_ > 1;
		1663	$_[0]{hintmode}
		1664	}
		1665
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1666	=item $player->ext_reply ($msgid, @msg)
1091		1667
1092	Sends an ext reply to the player.	1668	Sends an ext reply to the player.
1093		1669
1094	=cut	1670	=cut
1095		1671
1096	sub ext_reply($$$%) {	1672	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1673	my ($self, $id, @msg) = @_;
1098		1674
1099	$msg{msgid} = $id;	1675	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1676	}
1103		1677
1104	package cf;	1678	=item $player->ext_msg ($type, @msg)
		1679
		1680	Sends an ext event to the client.
		1681
		1682	=cut
		1683
		1684	sub ext_msg($$@) {
		1685	my ($self, $type, @msg) = @_;
		1686
		1687	$self->ns->ext_msg ($type, @msg);
		1688	}
		1689
		1690	=head3 cf::region
		1691
		1692	=over 4
		1693
		1694	=cut
		1695
		1696	package cf::region;
		1697
		1698	=item cf::region::find_by_path $path
		1699
		1700	Tries to decuce the likely region for a map knowing only its path.
		1701
		1702	=cut
		1703
		1704	sub find_by_path($) {
		1705	my ($path) = @_;
		1706
		1707	my ($match, $specificity);
		1708
		1709	for my $region (list) {
		1710	if ($region->{match} && $path =~ $region->{match}) {
		1711	($match, $specificity) = ($region, $region->specificity)
		1712	if $region->specificity > $specificity;
		1713	}
		1714	}
		1715
		1716	$match
		1717	}
1105		1718
1106	=back	1719	=back
1107
1108		1720
1109	=head3 cf::map	1721	=head3 cf::map
1110		1722
1111	=over 4	1723	=over 4
1112		1724
…		…
1167	my ($self, $merge) = @_;	1779	my ($self, $merge) = @_;
1168		1780
1169	# we have to keep some variables in memory intact	1781	# we have to keep some variables in memory intact
1170	local $self->{path};	1782	local $self->{path};
1171	local $self->{load_path};	1783	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1784
1175	$self->SUPER::thawer_merge ($merge);	1785	$self->SUPER::thawer_merge ($merge);
1176	}	1786	}
1177		1787
1178	sub normalise {	1788	sub normalise {
1179	my ($path, $base) = @_;	1789	my ($path, $base) = @_;
		1790
		1791	$path = "$path"; # make sure its a string
		1792
		1793	$path =~ s/\.map$//;
1180		1794
1181	# map plan:	1795	# map plan:
1182	#	1796	#
1183	# /! non-realised random map exit (special hack!)	1797	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1798	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1835	$self->init; # pass $1 etc.
1222	return $self;	1836	return $self;
1223	}	1837	}
1224	}	1838	}
1225		1839
1226	Carp::carp "unable to resolve path '$path'.";	1840	Carp::cluck "unable to resolve path '$path' (base '$base').";
1227	()	1841	()
1228	}	1842	}
1229		1843
1230	sub init {	1844	sub init {
1231	my ($self) = @_;	1845	my ($self) = @_;
…		…
1246		1860
1247	# the original (read-only) location	1861	# the original (read-only) location
1248	sub load_path {	1862	sub load_path {
1249	my ($self) = @_;	1863	my ($self) = @_;
1250		1864
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1865	"$MAPDIR/$self->{path}.map"
1252	}	1866	}
1253		1867
1254	# the temporary/swap location	1868	# the temporary/swap location
1255	sub save_path {	1869	sub save_path {
1256	my ($self) = @_;	1870	my ($self) = @_;
1257		1871
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1872	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1873	"$TMPDIR/$path.map"
1260	}	1874	}
1261		1875
1262	# the unique path, undef == no special unique path	1876	# the unique path, undef == no special unique path
1263	sub uniq_path {	1877	sub uniq_path {
1264	my ($self) = @_;	1878	my ($self) = @_;
1265		1879
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1881	"$UNIQUEDIR/$path"
1268	}	1882	}
1269		1883
1270	# and all this just because we cannot iterate over	1884	# and all this just because we cannot iterate over
1271	# all maps in C++...	1885	# all maps in C++...
1272	sub change_all_map_light {	1886	sub change_all_map_light {
…		…
1274		1888
1275	$_->change_map_light ($change)	1889	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1890	for grep $_->outdoor, values %cf::MAP;
1277	}	1891	}
1278		1892
		1893	sub decay_objects {
		1894	my ($self) = @_;
		1895
		1896	return if $self->{deny_reset};
		1897
		1898	$self->do_decay_objects;
		1899	}
		1900
1279	sub unlink_save {	1901	sub unlink_save {
1280	my ($self) = @_;	1902	my ($self) = @_;
1281		1903
1282	utf8::encode (my $save = $self->save_path);	1904	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1905	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1908
1287	sub load_header_from($) {	1909	sub load_header_from($) {
1288	my ($self, $path) = @_;	1910	my ($self, $path) = @_;
1289		1911
1290	utf8::encode $path;	1912	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1913	my $f = new_from_file cf::object::thawer $path
1292	or return;	1914	or return;
1293		1915
1294	$self->_load_header ($path)	1916	$self->_load_header ($f)
1295	or return;	1917	or return;
		1918
		1919	local $MAP_LOADING{$self->{path}} = $self;
		1920	$f->resolve_delayed_derefs;
1296		1921
1297	$self->{load_path} = $path;	1922	$self->{load_path} = $path;
1298		1923
1299	1	1924	1
1300	}	1925	}
…		…
1339	$self->load_header_orig	1964	$self->load_header_orig
1340	or return;	1965	or return;
1341	$self->prepare_orig;	1966	$self->prepare_orig;
1342	}	1967	}
1343		1968
		1969	$self->{deny_reset} = 1
		1970	if $self->no_reset;
		1971
		1972	$self->default_region (cf::region::find_by_path $self->{path})
		1973	unless $self->default_region;
		1974
1344	1	1975	1
1345	}	1976	}
1346		1977
1347	sub find;	1978	sub find;
1348	sub find {	1979	sub find {
1349	my ($path, $origin) = @_;	1980	my ($path, $origin) = @_;
1350		1981
1351	$path = normalise $path, $origin && $origin->path;	1982	$path = normalise $path, $origin && $origin->path;
1352		1983
		1984	cf::lock_wait "map_data:$path";#d#remove
1353	cf::lock_wait "map_find:$path";	1985	cf::lock_wait "map_find:$path";
1354		1986
1355	$cf::MAP{$path} || do {	1987	$cf::MAP{$path} || do {
1356	my $guard = cf::lock_acquire "map_find:$path";	1988	my $guard1 = cf::lock_acquire "map_find:$path";
		1989	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1990
1357	my $map = new_from_path cf::map $path	1991	my $map = new_from_path cf::map $path
1358	or return;	1992	or return;
1359		1993
1360	$map->{last_save} = $cf::RUNTIME;	1994	$map->{last_save} = $cf::RUNTIME;
1361		1995
1362	$map->load_header	1996	$map->load_header
1363	or return;	1997	or return;
1364		1998
1365	if ($map->should_reset) {	1999	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1366	# doing this can freeze the server in a sync job, obviously	2000	# doing this can freeze the server in a sync job, obviously
1367	#$cf::WAIT_FOR_TICK->wait;	2001	#$cf::WAIT_FOR_TICK->wait;
		2002	undef $guard1;
		2003	undef $guard2;
1368	$map->reset;	2004	$map->reset;
1369	undef $guard;
1370	$map = find $path	2005	return find $path;
1371	or return;
1372	}	2006	}
1373		2007
1374	$cf::MAP{$path} = $map	2008	$cf::MAP{$path} = $map
1375	}	2009	}
1376	}	2010	}
…		…
1379	sub post_load { }	2013	sub post_load { }
1380		2014
1381	sub load {	2015	sub load {
1382	my ($self) = @_;	2016	my ($self) = @_;
1383		2017
		2018	local $self->{deny_reset} = 1; # loading can take a long time
		2019
1384	my $path = $self->{path};	2020	my $path = $self->{path};
		2021
		2022	{
1385	my $guard = cf::lock_acquire "map_load:$path";	2023	my $guard = cf::lock_acquire "map_data:$path";
1386		2024
		2025	return unless $self->valid;
1387	return if $self->in_memory != cf::MAP_SWAPPED;	2026	return unless $self->in_memory == cf::MAP_SWAPPED;
1388		2027
1389	$self->in_memory (cf::MAP_LOADING);	2028	$self->in_memory (cf::MAP_LOADING);
1390		2029
1391	$self->alloc;	2030	$self->alloc;
1392		2031
1393	$self->pre_load;	2032	$self->pre_load;
		2033	cf::cede_to_tick;
1394		2034
1395	$self->_load_objects ($self->{load_path}, 1)	2035	my $f = new_from_file cf::object::thawer $self->{load_path};
		2036	$f->skip_block;
		2037	$self->_load_objects ($f)
1396	or return;	2038	or return;
1397		2039
1398	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2040	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1399	if delete $self->{load_original};	2041	if delete $self->{load_original};
1400		2042
1401	if (my $uniq = $self->uniq_path) {	2043	if (my $uniq = $self->uniq_path) {
1402	utf8::encode $uniq;	2044	utf8::encode $uniq;
1403	if (aio_open $uniq, O_RDONLY, 0) {	2045	unless (aio_stat $uniq) {
		2046	if (my $f = new_from_file cf::object::thawer $uniq) {
1404	$self->clear_unique_items;	2047	$self->clear_unique_items;
1405	$self->_load_objects ($uniq, 0);	2048	$self->_load_objects ($f);
		2049	$f->resolve_delayed_derefs;
		2050	}
1406	}	2051	}
1407	}	2052	}
1408		2053
1409	Coro::cede;	2054	$f->resolve_delayed_derefs;
1410		2055
		2056	cf::cede_to_tick;
1411	# now do the right thing for maps	2057	# now do the right thing for maps
1412	$self->link_multipart_objects;	2058	$self->link_multipart_objects;
1413
1414	unless ($self->{deny_activate}) {
1415	$self->decay_objects;
1416	$self->fix_auto_apply;
1417	$self->update_buttons;
1418	Coro::cede;
1419	$self->set_darkness_map;
1420	$self->difficulty ($self->estimate_difficulty)	2059	$self->difficulty ($self->estimate_difficulty)
1421	unless $self->difficulty;	2060	unless $self->difficulty;
1422	Coro::cede;	2061	cf::cede_to_tick;
		2062
		2063	unless ($self->{deny_activate}) {
		2064	$self->decay_objects;
		2065	$self->fix_auto_apply;
		2066	$self->update_buttons;
		2067	cf::cede_to_tick;
		2068	$self->set_darkness_map;
		2069	cf::cede_to_tick;
1423	$self->activate;	2070	$self->activate;
		2071	}
		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
		2076	$self->in_memory (cf::MAP_IN_MEMORY);
1424	}	2077	}
1425		2078
1426	$self->post_load;	2079	$self->post_load;
1427
1428	$self->in_memory (cf::MAP_IN_MEMORY);
1429	}	2080	}
1430		2081
1431	sub customise_for {	2082	sub customise_for {
1432	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1433		2084
1434	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1435	if $self->per_player;	2086	if $self->per_player;
1436		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1437	$self	2091	$self
1438	}	2092	}
1439		2093
1440	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	2095	sub load_neighbours {
1442	my ($map) = @_;	2096	my ($map) = @_;
1443		2097
1444	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1445		2099
1446	for (0 .. 3) {	2100	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1448	or next;	2102	or next;
1449	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1450	or next;	2104	or next;
1451	$neigh->load;	2105	$neigh->load;
1452		2106
		2107	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	2110	}
1456		2111
1457	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1459	or next;	2115	or next;
1460	$neigh->load;	2116	$neigh->load;
1461	}	2117	}
1462	}	2118	}
1463		2119
…		…
1468	}	2124	}
1469		2125
1470	sub do_load_sync {	2126	sub do_load_sync {
1471	my ($map) = @_;	2127	my ($map) = @_;
1472		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1473	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1474	}	2133	}
1475		2134
1476	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1478		2137
1479	sub find_async {	2138	sub find_async {
1480	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1481		2140
1482	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1483		2142
1484	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1485	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1486	}	2145	}
1487		2146
1488	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1489	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1490	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1491	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1492	my $map = find $path	2154	if (my $map = find $k) {
1493	or next;
1494	$map->load;	2155	$map->load if $v;
		2156	}
1495		2157
1496	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1497	}	2159	}
1498	}	2160	}
1499	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1500	};	2162	};
1501	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1504	}	2166	}
1505		2167
1506	sub save {	2168	sub save {
1507	my ($self) = @_;	2169	my ($self) = @_;
1508		2170
1509	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1510		2172
1511	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1512		2174
1513	return unless $self->dirty;	2175	return unless $self->dirty;
1514		2176
…		…
1520	return if $self->{deny_save};	2182	return if $self->{deny_save};
1521		2183
1522	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1523		2185
1524	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1525	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1526	};	2189	};
1527		2190
1528	if ($uniq) {	2191	if ($uniq) {
1529	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2192	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1537	my ($self) = @_;	2200	my ($self) = @_;
1538		2201
1539	# save first because save cedes	2202	# save first because save cedes
1540	$self->save;	2203	$self->save;
1541		2204
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2205	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2206
1544	return if $self->players;	2207	return if $self->players;
1545	return if $self->in_memory != cf::MAP_IN_MEMORY;	2208	return if $self->in_memory != cf::MAP_IN_MEMORY;
1546	return if $self->{deny_save};	2209	return if $self->{deny_save};
1547		2210
		2211	$self->in_memory (cf::MAP_SWAPPED);
		2212
		2213	$self->deactivate;
		2214	$_->clear_links_to ($self) for values %cf::MAP;
1548	$self->clear;	2215	$self->clear;
1549	$self->in_memory (cf::MAP_SWAPPED);
1550	}	2216	}
1551		2217
1552	sub reset_at {	2218	sub reset_at {
1553	my ($self) = @_;	2219	my ($self) = @_;
1554		2220
1555	# TODO: safety, remove and allow resettable per-player maps	2221	# TODO: safety, remove and allow resettable per-player maps
1556	return 1e99 if $self->isa ("ext::map_per_player");#d#
1557	return 1e99 if $self->{deny_reset};	2222	return 1e99 if $self->{deny_reset};
1558		2223
1559	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2224	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1560	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2225	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1561		2226
…		…
1572	my ($self) = @_;	2237	my ($self) = @_;
1573		2238
1574	my $lock = cf::lock_acquire "map_data:$self->{path}";	2239	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2240
1576	return if $self->players;	2241	return if $self->players;
1577	return if $self->isa ("ext::map_per_player");#d#
1578		2242
1579	warn "resetting map ", $self->path;#d#	2243	warn "resetting map ", $self->path;
		2244
		2245	$self->in_memory (cf::MAP_SWAPPED);
		2246
		2247	# need to save uniques path
		2248	unless ($self->{deny_save}) {
		2249	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2250
		2251	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2252	if $uniq;
		2253	}
1580		2254
1581	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1582		2256
1583	$self->in_memory (cf::MAP_SWAPPED);	2257	$self->deactivate;
		2258	$_->clear_links_to ($self) for values %cf::MAP;
1584	$self->clear;	2259	$self->clear;
1585
1586	$_->clear_links_to ($self) for values %cf::MAP;
1587		2260
1588	$self->unlink_save;	2261	$self->unlink_save;
1589	$self->destroy;	2262	$self->destroy;
1590	}	2263	}
1591		2264
1592	my $nuke_counter = "aaaa";	2265	my $nuke_counter = "aaaa";
1593		2266
1594	sub nuke {	2267	sub nuke {
1595	my ($self) = @_;	2268	my ($self) = @_;
1596		2269
		2270	{
		2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2272
1597	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1598		2274
1599	$self->unlink_save;	2275	$self->unlink_save;
1600		2276
1601	bless $self, "cf::map";	2277	bless $self, "cf::map";
1602	delete $self->{deny_reset};	2278	delete $self->{deny_reset};
1603	$self->{deny_save} = 1;	2279	$self->{deny_save} = 1;
1604	$self->reset_timeout (1);	2280	$self->reset_timeout (1);
1605	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2281	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1606		2282
1607	$cf::MAP{$self->path} = $self;	2283	$cf::MAP{$self->path} = $self;
		2284	}
1608		2285
1609	$self->reset; # polite request, might not happen	2286	$self->reset; # polite request, might not happen
		2287	}
		2288
		2289	=item $maps = cf::map::tmp_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	maps. May block.
		2293
		2294	=cut
		2295
		2296	sub tmp_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise $_
		2302	: ()
		2303	} @{ aio_readdir $TMPDIR or [] }
		2304	]
		2305	}
		2306
		2307	=item $maps = cf::map::random_maps
		2308
		2309	Returns an arrayref with all map paths of currently instantiated and saved
		2310	random maps. May block.
		2311
		2312	=cut
		2313
		2314	sub random_maps() {
		2315	[
		2316	map {
		2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise "?random/$_"
		2320	: ()
		2321	} @{ aio_readdir $RANDOMDIR or [] }
		2322	]
1610	}	2323	}
1611		2324
1612	=item cf::map::unique_maps	2325	=item cf::map::unique_maps
1613		2326
1614	Returns an arrayref of paths of all shared maps that have	2327	Returns an arrayref of paths of all shared maps that have
1615	instantiated unique items. May block.	2328	instantiated unique items. May block.
1616		2329
1617	=cut	2330	=cut
1618		2331
1619	sub unique_maps() {	2332	sub unique_maps() {
1620	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2333	[
1621	or return;	2334	map {
1622
1623	my @paths;
1624
1625	for (@$files) {
1626	utf8::decode $_;	2335	utf8::decode $_;
1627	next if /\.pst$/;
1628	next unless /^$PATH_SEP/o;
1629
1630	s/\.map$//;	2336	/\.map$/
1631	push @paths, $_;	2337	? normalise $_
		2338	: ()
		2339	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2340	]
1633
1634	\@paths
1635	}	2341	}
1636		2342
1637	package cf;	2343	package cf;
1638		2344
1639	=back	2345	=back
…		…
1657	map { $_, inv_recursive_ $_->inv } @_	2363	map { $_, inv_recursive_ $_->inv } @_
1658	}	2364	}
1659		2365
1660	sub inv_recursive {	2366	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2367	inv_recursive_ inv $_[0]
		2368	}
		2369
		2370	=item $ref = $ob->ref
		2371
		2372	creates and returns a persistent reference to an objetc that can be stored as a string.
		2373
		2374	=item $ob = cf::object::deref ($refstring)
		2375
		2376	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2377	even if the object actually exists. May block.
		2378
		2379	=cut
		2380
		2381	sub deref {
		2382	my ($ref) = @_;
		2383
		2384	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2385	my ($uuid, $name) = ($1, $2);
		2386	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2387	or return;
		2388	$pl->ob->uuid eq $uuid
		2389	or return;
		2390
		2391	$pl->ob
		2392	} else {
		2393	warn "$ref: cannot resolve object reference\n";
		2394	undef
		2395	}
1662	}	2396	}
1663		2397
1664	package cf;	2398	package cf;
1665		2399
1666	=back	2400	=back
…		…
1685		2419
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2421
1688	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1690	} else {	2425	} else {
		2426	my $pl = $self->contr;
		2427
		2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2429	my $dialog = $pl->{npc_dialog};
		2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2431
		2432	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2434	$self->message ($msg, $flags);
		2435	}
1693	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
1694	}	2447	}
1695		2448
1696	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1697		2450
1698	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1730	=cut	2483	=cut
1731		2484
1732	sub link_map {	2485	sub link_map {
1733	unless ($LINK_MAP) {	2486	unless ($LINK_MAP) {
1734	$LINK_MAP = cf::map::find "{link}"	2487	$LINK_MAP = cf::map::find "{link}"
1735	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2488	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1736	$LINK_MAP->load;	2489	$LINK_MAP->load;
1737	}	2490	}
1738		2491
1739	$LINK_MAP	2492	$LINK_MAP
1740	}	2493	}
…		…
1745	$self->deactivate_recursive;	2498	$self->deactivate_recursive;
1746		2499
1747	return if UNIVERSAL::isa $self->map, "ext::map_link";	2500	return if UNIVERSAL::isa $self->map, "ext::map_link";
1748		2501
1749	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1750	if $self->map;	2503	if $self->map && $self->map->{path} ne "{link}";
1751		2504
1752	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2505	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1753	}	2506	}
1754		2507
1755	sub cf::object::player::leave_link {	2508	sub cf::object::player::leave_link {
1756	my ($self, $map, $x, $y) = @_;	2509	my ($self, $map, $x, $y) = @_;
		2510
		2511	return unless $self->contr->active;
1757		2512
1758	my $link_pos = delete $self->{_link_pos};	2513	my $link_pos = delete $self->{_link_pos};
1759		2514
1760	unless ($map) {	2515	unless ($map) {
1761	# restore original map position	2516	# restore original map position
…		…
1775	# use -1 or undef as default coordinates, not 0, 0	2530	# use -1 or undef as default coordinates, not 0, 0
1776	($x, $y) = ($map->enter_x, $map->enter_y)	2531	($x, $y) = ($map->enter_x, $map->enter_y)
1777	if $x <=0 && $y <= 0;	2532	if $x <=0 && $y <= 0;
1778		2533
1779	$map->load;	2534	$map->load;
1780	$map->load_diag;	2535	$map->load_neighbours;
1781		2536
1782	return unless $self->contr->active;	2537	return unless $self->contr->active;
1783	$self->activate_recursive;	2538	$self->activate_recursive;
		2539
		2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1784	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1785	}	2542	}
1786		2543
1787	cf::player->attach (	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1788	on_logout => sub {
1789	my ($pl) = @_;
1790		2545
1791	# abort map switching before logout	2546	Moves the player to the given map-path and coordinates by first freezing
1792	if ($pl->ob->{_link_pos}) {	2547	her, loading and preparing them map, calling the provided $check callback
1793	cf::sync_job {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1794	$pl->ob->leave_link	2549	the new (success) or old (failed) map position. In either case, $done will
1795	};	2550	be called at the end of this process.
1796	}
1797	},
1798	on_login => sub {
1799	my ($pl) = @_;
1800		2551
1801	# try to abort aborted map switching on player login :)
1802	# should happen only on crashes
1803	if ($pl->ob->{_link_pos}) {
1804	$pl->ob->enter_link;
1805	(async {
1806	# we need this sleep as the login has a concurrent enter_exit running
1807	# and this sleep increases chances of the player not ending up in scorn
1808	$pl->ob->reply (undef,
1809	"There was an internal problem at your last logout, "
1810	. "the server will try to bring you to your intended destination in a second.",
1811	cf::NDI_RED);
1812	Coro::Timer::sleep 1;
1813	$pl->ob->leave_link;
1814	})->prio (2);
1815	}
1816	},
1817	);
1818
1819	=item $player_object->goto ($path, $x, $y)
1820
1821	=cut	2552	=cut
		2553
		2554	our $GOTOGEN;
1822		2555
1823	sub cf::object::player::goto {	2556	sub cf::object::player::goto {
1824	my ($self, $path, $x, $y) = @_;	2557	my ($self, $path, $x, $y, $check, $done) = @_;
		2558
		2559	# do generation counting so two concurrent goto's will be executed in-order
		2560	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1825		2561
1826	$self->enter_link;	2562	$self->enter_link;
1827		2563
1828	(async {	2564	(async {
1829	my $map = cf::map::find $path;	2565	$Coro::current->{desc} = "player::goto $path $x $y";
		2566
		2567	# *tag paths override both path and x|y
		2568	if ($path =~ /^\*(.*)$/) {
		2569	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2570	my $ob = $obs[rand @obs];
		2571
		2572	# see if we actually can go there
		2573	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2574	$ob = $obs[rand @obs];
		2575	} else {
		2576	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2577	}
		2578	# else put us there anyways for now #d#
		2579
		2580	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2581	} else {
		2582	($path, $x, $y) = (undef, undef, undef);
		2583	}
		2584	}
		2585
		2586	my $map = eval {
		2587	my $map = defined $path ? cf::map::find $path : undef;
		2588
		2589	if ($map) {
1830	$map = $map->customise_for ($self) if $map;	2590	$map = $map->customise_for ($self);
1831		2591	$map = $check->($map) if $check && $map;
1832	# warn "entering ", $map->path, " at ($x, $y)\n"	2592	} else {
1833	# if $map;
1834
1835	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2593	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	}
1836		2595
		2596	$map
		2597	};
		2598
		2599	if ($@) {
		2600	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2601	LOG llevError | logBacktrace, Carp::longmess $@;
		2602	}
		2603
		2604	if ($gen == $self->{_goto_generation}) {
		2605	delete $self->{_goto_generation};
1837	$self->leave_link ($map, $x, $y);	2606	$self->leave_link ($map, $x, $y);
		2607	}
		2608
		2609	$done->() if $done;
1838	})->prio (1);	2610	})->prio (1);
1839	}	2611	}
1840		2612
1841	=item $player_object->enter_exit ($exit_object)	2613	=item $player_object->enter_exit ($exit_object)
1842		2614
…		…
1871	# that depends on the exit object	2643	# that depends on the exit object
1872		2644
1873	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
1874		2646
1875	if ($exit->map) {	2647	if ($exit->map) {
1876	$rmp->{region} = $exit->map->region_name;	2648	$rmp->{region} = $exit->region->name;
1877	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
1878	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
1879	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
1880	}	2652	}
1881		2653
1882	$rmp->{random_seed} ||= $exit->random_seed;	2654	$rmp->{random_seed} ||= $exit->random_seed;
1883		2655
1884	my $data = cf::to_json $rmp;	2656	my $data = cf::encode_json $rmp;
1885	my $md5 = Digest::MD5::md5_hex $data;	2657	my $md5 = Digest::MD5::md5_hex $data;
1886	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2658	my $meta = "$RANDOMDIR/$md5.meta";
1887		2659
1888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2660	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1889	aio_write $fh, 0, (length $data), $data, 0;	2661	aio_write $fh, 0, (length $data), $data, 0;
1890	undef $fh;	2662	undef $fh;
1891	aio_rename "$meta~", $meta;	2663	aio_rename "$meta~", $meta;
…		…
1898	sub cf::object::player::enter_exit {	2670	sub cf::object::player::enter_exit {
1899	my ($self, $exit) = @_;	2671	my ($self, $exit) = @_;
1900		2672
1901	return unless $self->type == cf::PLAYER;	2673	return unless $self->type == cf::PLAYER;
1902		2674
		2675	if ($exit->slaying eq "/!") {
		2676	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2677	# the problem is that $exit might not survive long enough
		2678	# so it needs to be done right now, right here
		2679	cf::sync_job { prepare_random_map $exit };
		2680	}
		2681
		2682	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2683	my $hp = $exit->stats->hp;
		2684	my $sp = $exit->stats->sp;
		2685
1903	$self->enter_link;	2686	$self->enter_link;
1904		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($slaying, $hp, $sp)
		2690	if $exit->flag (FLAG_DAMNED);
		2691
1905	(async {	2692	(async {
		2693	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2694
1906	$self->deactivate_recursive; # just to be sure	2695	$self->deactivate_recursive; # just to be sure
1907	unless (eval {	2696	unless (eval {
1908	prepare_random_map $exit	2697	$self->goto ($slaying, $hp, $sp);
1909	if $exit->slaying eq "/!";
1910
1911	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1912	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1913		2698
1914	1;	2699	1;
1915	}) {	2700	}) {
1916	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the crossfire server. "
1917	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
1918	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
1919	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
1920		2705
1921	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
1922	$self->leave_link;	2707	$self->leave_link;
1923	}	2708	}
1924	})->prio (1);	2709	})->prio (1);
…		…
1937		2722
1938	sub cf::client::send_drawinfo {	2723	sub cf::client::send_drawinfo {
1939	my ($self, $text, $flags) = @_;	2724	my ($self, $text, $flags) = @_;
1940		2725
1941	utf8::encode $text;	2726	utf8::encode $text;
1942	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1943	}	2728	}
1944		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/uptime" => {
		2778	id => "infobox",
		2779	title => "Uptime",
		2780	reply => undef,
		2781	tooltip => "How long the server has been running since last restart",
		2782	},
		2783	"c/mapinfo" => {
		2784	id => "infobox",
		2785	title => "Map Info",
		2786	reply => undef,
		2787	tooltip => "Information related to the maps",
		2788	},
		2789	);
		2790
		2791	sub cf::client::send_msg {
		2792	my ($self, $channel, $msg, $color, @extra) = @_;
		2793
		2794	$msg = $self->pl->expand_cfpod ($msg);
		2795
		2796	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2797
		2798	# check predefined channels, for the benefit of C
		2799	if ($CHANNEL{$channel}) {
		2800	$channel = $CHANNEL{$channel};
		2801
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804
		2805	$channel = $channel->{id};
		2806
		2807	} elsif (ref $channel) {
		2808	# send meta info to client, if not yet sent
		2809	unless (exists $self->{channel}{$channel->{id}}) {
		2810	$self->{channel}{$channel->{id}} = $channel;
		2811	$self->ext_msg (channel_info => $channel)
		2812	if $self->can_msg;
		2813	}
		2814
		2815	$channel = $channel->{id};
		2816	}
		2817
		2818	return unless @extra || length $msg;
		2819
		2820	if ($self->can_msg) {
		2821	# default colour, mask it out
		2822	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2823	if $color & cf::NDI_DEF;
		2824
		2825	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2827	} else {
		2828	if ($color >= 0) {
		2829	# replace some tags by gcfclient-compatible ones
		2830	for ($msg) {
		2831	1 while
		2832	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2833	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2834	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2835	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2836	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2837	}
		2838
		2839	$color &= cf::NDI_COLOR_MASK;
		2840
		2841	utf8::encode $msg;
		2842
		2843	if (0 && $msg =~ /\[/) {
		2844	# COMMAND/INFO
		2845	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2846	} else {
		2847	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2848	$self->send_packet ("drawinfo $color $msg")
		2849	}
		2850	}
		2851	}
		2852	}
		2853
		2854	=item $client->ext_msg ($type, @msg)
		2855
		2856	Sends an ext event to the client.
		2857
		2858	=cut
		2859
		2860	sub cf::client::ext_msg($$@) {
		2861	my ($self, $type, @msg) = @_;
		2862
		2863	if ($self->extcmd == 2) {
		2864	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2865	} elsif ($self->extcmd == 1) { # TODO: remove
		2866	push @msg, msgtype => "event_$type";
		2867	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2868	}
		2869	}
		2870
		2871	=item $client->ext_reply ($msgid, @msg)
		2872
		2873	Sends an ext reply to the client.
		2874
		2875	=cut
		2876
		2877	sub cf::client::ext_reply($$@) {
		2878	my ($self, $id, @msg) = @_;
		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2882	} elsif ($self->extcmd == 1) {
		2883	#TODO: version 1, remove
		2884	unshift @msg, msgtype => "reply", msgid => $id;
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2886	}
		2887	}
1945		2888
1946	=item $success = $client->query ($flags, "text", \&cb)	2889	=item $success = $client->query ($flags, "text", \&cb)
1947		2890
1948	Queues a query to the client, calling the given callback with	2891	Queues a query to the client, calling the given callback with
1949	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2892	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1950	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2893	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1951		2894
1952	Queries can fail, so check the return code. Or don't, as queries will become	2895	Queries can fail, so check the return code. Or don't, as queries will
1953	reliable at some point in the future.	2896	become reliable at some point in the future.
1954		2897
1955	=cut	2898	=cut
1956		2899
1957	sub cf::client::query {	2900	sub cf::client::query {
1958	my ($self, $flags, $text, $cb) = @_;	2901	my ($self, $flags, $text, $cb) = @_;
…		…
1966	utf8::encode $text;	2909	utf8::encode $text;
1967	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2910	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1968		2911
1969	$self->send_packet ($self->{query_queue}[0][0])	2912	$self->send_packet ($self->{query_queue}[0][0])
1970	if @{ $self->{query_queue} } == 1;	2913	if @{ $self->{query_queue} } == 1;
		2914
		2915	1
1971	}	2916	}
1972		2917
1973	cf::client->attach (	2918	cf::client->attach (
		2919	on_connect => sub {
		2920	my ($ns) = @_;
		2921
		2922	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2923	},
1974	on_reply => sub {	2924	on_reply => sub {
1975	my ($ns, $msg) = @_;	2925	my ($ns, $msg) = @_;
1976		2926
1977	# this weird shuffling is so that direct followup queries	2927	# this weird shuffling is so that direct followup queries
1978	# get handled first	2928	# get handled first
1979	my $queue = delete $ns->{query_queue}	2929	my $queue = delete $ns->{query_queue}
1980	or return; # be conservative, not sure how that can happen, but we saw a crash here	2930	or return; # be conservative, not sure how that can happen, but we saw a crash here
1981		2931
1982	(shift @$queue)->[1]->($msg);	2932	(shift @$queue)->[1]->($msg);
		2933	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1983		2934
1984	push @{ $ns->{query_queue} }, @$queue;	2935	push @{ $ns->{query_queue} }, @$queue;
1985		2936
1986	if (@{ $ns->{query_queue} } == @$queue) {	2937	if (@{ $ns->{query_queue} } == @$queue) {
1987	if (@$queue) {	2938	if (@$queue) {
…		…
1989	} else {	2940	} else {
1990	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2941	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1991	}	2942	}
1992	}	2943	}
1993	},	2944	},
		2945	on_exticmd => sub {
		2946	my ($ns, $buf) = @_;
		2947
		2948	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2949
		2950	if (ref $msg) {
		2951	my ($type, $reply, @payload) =
		2952	"ARRAY" eq ref $msg
		2953	? @$msg
		2954	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2955
		2956	my @reply;
		2957
		2958	if (my $cb = $EXTICMD{$type}) {
		2959	@reply = $cb->($ns, @payload);
		2960	}
		2961
		2962	$ns->ext_reply ($reply, @reply)
		2963	if $reply;
		2964
		2965	} else {
		2966	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2967	}
		2968
		2969	cf::override;
		2970	},
1994	);	2971	);
1995		2972
1996	=item $client->async (\&cb)	2973	=item $client->async (\&cb)
1997		2974
1998	Create a new coroutine, running the specified callback. The coroutine will	2975	Create a new coroutine, running the specified callback. The coroutine will
…		…
2039	our $safe = new Safe "safe";	3016	our $safe = new Safe "safe";
2040	our $safe_hole = new Safe::Hole;	3017	our $safe_hole = new Safe::Hole;
2041		3018
2042	$SIG{FPE} = 'IGNORE';	3019	$SIG{FPE} = 'IGNORE';
2043		3020
2044	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3021	$safe->permit_only (Opcode::opset qw(
		3022	:base_core :base_mem :base_orig :base_math
		3023	grepstart grepwhile mapstart mapwhile
		3024	sort time
		3025	));
2045		3026
2046	# here we export the classes and methods available to script code	3027	# here we export the classes and methods available to script code
2047		3028
2048	=pod	3029	=pod
2049		3030
2050	The following fucntions and emthods are available within a safe environment:	3031	The following functions and methods are available within a safe environment:
2051		3032
2052	cf::object contr pay_amount pay_player map	3033	cf::object
		3034	contr pay_amount pay_player map x y force_find force_add destroy
		3035	insert remove name archname title slaying race decrease_ob_nr
		3036
2053	cf::object::player player	3037	cf::object::player
2054	cf::player peaceful	3038	player
2055	cf::map trigger	3039
		3040	cf::player
		3041	peaceful
		3042
		3043	cf::map
		3044	trigger
2056		3045
2057	=cut	3046	=cut
2058		3047
2059	for (	3048	for (
2060	["cf::object" => qw(contr pay_amount pay_player map)],	3049	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3050	insert remove inv name archname title slaying race
		3051	decrease_ob_nr destroy)],
2061	["cf::object::player" => qw(player)],	3052	["cf::object::player" => qw(player)],
2062	["cf::player" => qw(peaceful)],	3053	["cf::player" => qw(peaceful)],
2063	["cf::map" => qw(trigger)],	3054	["cf::map" => qw(trigger)],
2064	) {	3055	) {
2065	no strict 'refs';	3056	no strict 'refs';
…		…
2136	=back	3127	=back
2137		3128
2138	=cut	3129	=cut
2139		3130
2140	#############################################################################	3131	#############################################################################
		3132	# the server's init and main functions
2141		3133
2142	=head2 EXTENSION DATABASE SUPPORT	3134	sub load_facedata($) {
		3135	my ($path) = @_;
2143		3136
2144	Crossfire maintains a very simple database for extension use. It can	3137	# HACK to clear player env face cache, we need some signal framework
2145	currently store anything that can be serialised using Storable, which	3138	# for this (global event?)
2146	excludes objects.	3139	%ext::player_env::MUSIC_FACE_CACHE = ();
2147		3140
2148	The parameter C<$family> should best start with the name of the extension	3141	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2149	using it, it should be unique.
2150		3142
2151	=over 4	3143	warn "loading facedata from $path\n";
2152		3144
2153	=item $hashref = cf::db_get $family	3145	my $facedata;
		3146	0 < aio_load $path, $facedata
		3147	or die "$path: $!";
2154		3148
2155	Return a hashref for use by the extension C<$family>, which can be	3149	$facedata = Coro::Storable::thaw $facedata;
2156	modified. After modifications, you have to call C<cf::db_dirty> or
2157	C<cf::db_sync>.
2158		3150
2159	=item $value = cf::db_get $family => $key	3151	$facedata->{version} == 2
		3152	or cf::cleanup "$path: version mismatch, cannot proceed.";
2160		3153
2161	Returns a single value from the database	3154	# patch in the exptable
2162		3155	$facedata->{resource}{"res/exp_table"} = {
2163	=item cf::db_put $family => $hashref	3156	type => FT_RSRC,
2164		3157	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2165	Stores the given family hashref into the database. Updates are delayed, if
2166	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2167
2168	=item cf::db_put $family => $key => $value
2169
2170	Stores the given C<$value> in the family hash. Updates are delayed, if you
2171	want the data to be synced to disk immediately, use C<cf::db_sync>.
2172
2173	=item cf::db_dirty
2174
2175	Marks the database as dirty, to be updated at a later time.
2176
2177	=item cf::db_sync
2178
2179	Immediately write the database to disk I<if it is dirty>.
2180
2181	=cut
2182
2183	our $DB;
2184
2185	{
2186	my $path = cf::localdir . "/database.pst";
2187
2188	sub db_load() {
2189	$DB = stat $path ? Storable::retrieve $path : { };
2190	}	3158	};
		3159	cf::cede_to_tick;
2191		3160
2192	my $pid;
2193
2194	sub db_save() {
2195	waitpid $pid, 0 if $pid;
2196	if (0 == ($pid = fork)) {
2197	$DB->{_meta}{version} = 1;
2198	Storable::nstore $DB, "$path~";
2199	rename "$path~", $path;
2200	cf::_exit 0 if defined $pid;
2201	}
2202	}	3161	{
		3162	my $faces = $facedata->{faceinfo};
2203		3163
2204	my $dirty;	3164	while (my ($face, $info) = each %$faces) {
		3165	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205		3166
2206	sub db_sync() {	3167	cf::face::set_visibility $idx, $info->{visibility};
2207	db_save if $dirty;	3168	cf::face::set_magicmap $idx, $info->{magicmap};
2208	undef $dirty;	3169	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2209	}	3170	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2210		3171
2211	my $idle = Event->idle (	3172	cf::cede_to_tick;
2212	reentrant => 0,
2213	min => 10,
2214	max => 20,
2215	repeat => 0,
2216	data => WF_AUTOCANCEL,
2217	cb => \&db_sync,
2218	);
2219
2220	sub db_dirty() {
2221	$dirty = 1;
2222	$idle->start;
2223	}
2224
2225	sub db_get($;$) {
2226	@_ >= 2
2227	? $DB->{$_[0]}{$_[1]}
2228	: ($DB->{$_[0]} ||= { })
2229	}
2230
2231	sub db_put($$;$) {
2232	if (@_ >= 3) {
2233	$DB->{$_[0]}{$_[1]} = $_[2];
2234	} else {
2235	$DB->{$_[0]} = $_[1];
2236	}
2237	db_dirty;
2238	}
2239
2240	cf::global->attach (
2241	prio => 10000,
2242	on_cleanup => sub {
2243	db_sync;
2244	},	3173	}
2245	);
2246	}
2247		3174
2248	#############################################################################	3175	while (my ($face, $info) = each %$faces) {
2249	# the server's main()	3176	next unless $info->{smooth};
2250		3177
2251	sub cfg_load {	3178	my $idx = cf::face::find $face
		3179	or next;
		3180
		3181	if (my $smooth = cf::face::find $info->{smooth}) {
		3182	cf::face::set_smooth $idx, $smooth;
		3183	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3184	} else {
		3185	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3186	}
		3187
		3188	cf::cede_to_tick;
		3189	}
		3190	}
		3191
		3192	{
		3193	my $anims = $facedata->{animinfo};
		3194
		3195	while (my ($anim, $info) = each %$anims) {
		3196	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3197	cf::cede_to_tick;
		3198	}
		3199
		3200	cf::anim::invalidate_all; # d'oh
		3201	}
		3202
		3203	{
		3204	# TODO: for gcfclient pleasure, we should give resources
		3205	# that gcfclient doesn't grok a >10000 face index.
		3206	my $res = $facedata->{resource};
		3207
		3208	while (my ($name, $info) = each %$res) {
		3209	if (defined $info->{type}) {
		3210	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3211	my $data;
		3212
		3213	if ($info->{type} & 1) {
		3214	# prepend meta info
		3215
		3216	my $meta = $enc->encode ({
		3217	name => $name,
		3218	%{ $info->{meta} || {} },
		3219	});
		3220
		3221	$data = pack "(w/a*)*", $meta, $info->{data};
		3222	} else {
		3223	$data = $info->{data};
		3224	}
		3225
		3226	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3227	cf::face::set_type $idx, $info->{type};
		3228	} else {
		3229	$RESOURCE{$name} = $info;
		3230	}
		3231
		3232	cf::cede_to_tick;
		3233	}
		3234	}
		3235
		3236	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3237
		3238	1
		3239	}
		3240
		3241	cf::global->attach (on_resource_update => sub {
		3242	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3243	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3244
		3245	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3246	my $sound = $soundconf->{compat}[$_]
		3247	or next;
		3248
		3249	my $face = cf::face::find "sound/$sound->[1]";
		3250	cf::sound::set $sound->[0] => $face;
		3251	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3252	}
		3253
		3254	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3255	my $face = cf::face::find "sound/$v";
		3256	cf::sound::set $k => $face;
		3257	}
		3258	}
		3259	});
		3260
		3261	register_exticmd fx_want => sub {
		3262	my ($ns, $want) = @_;
		3263
		3264	while (my ($k, $v) = each %$want) {
		3265	$ns->fx_want ($k, $v);
		3266	}
		3267	};
		3268
		3269	sub reload_regions {
		3270	# HACK to clear player env face cache, we need some signal framework
		3271	# for this (global event?)
		3272	%ext::player_env::MUSIC_FACE_CACHE = ();
		3273
		3274	load_resource_file "$MAPDIR/regions"
		3275	or die "unable to load regions file\n";
		3276
		3277	for (cf::region::list) {
		3278	$_->{match} = qr/$_->{match}/
		3279	if exists $_->{match};
		3280	}
		3281	}
		3282
		3283	sub reload_facedata {
		3284	load_facedata "$DATADIR/facedata"
		3285	or die "unable to load facedata\n";
		3286	}
		3287
		3288	sub reload_archetypes {
		3289	load_resource_file "$DATADIR/archetypes"
		3290	or die "unable to load archetypes\n";
		3291	#d# NEED to laod twice to resolve forward references
		3292	# this really needs to be done in an extra post-pass
		3293	# (which needs to be synchronous, so solve it differently)
		3294	load_resource_file "$DATADIR/archetypes"
		3295	or die "unable to load archetypes\n";
		3296	}
		3297
		3298	sub reload_treasures {
		3299	load_resource_file "$DATADIR/treasures"
		3300	or die "unable to load treasurelists\n";
		3301	}
		3302
		3303	sub reload_resources {
		3304	warn "reloading resource files...\n";
		3305
		3306	reload_regions;
		3307	reload_facedata;
		3308	#reload_archetypes;#d#
		3309	reload_archetypes;
		3310	reload_treasures;
		3311
		3312	warn "finished reloading resource files\n";
		3313	}
		3314
		3315	sub init {
		3316	reload_resources;
		3317	}
		3318
		3319	sub reload_config {
2252	open my $fh, "<:utf8", cf::confdir . "/config"	3320	open my $fh, "<:utf8", "$CONFDIR/config"
2253	or return;	3321	or return;
2254		3322
2255	local $/;	3323	local $/;
2256	*CFG = YAML::Syck::Load <$fh>;	3324	*CFG = YAML::Load <$fh>;
2257		3325
2258	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3326	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2259		3327
2260	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3328	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2261	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3329	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2272	sub main {	3340	sub main {
2273	# we must not ever block the main coroutine	3341	# we must not ever block the main coroutine
2274	local $Coro::idle = sub {	3342	local $Coro::idle = sub {
2275	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3343	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2276	(async {	3344	(async {
2277	Event::one_event;	3345	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3346	EV::loop EV::LOOP_ONESHOT;
2278	})->prio (Coro::PRIO_MAX);	3347	})->prio (Coro::PRIO_MAX);
2279	};	3348	};
2280		3349
2281	cfg_load;	3350	reload_config;
2282	db_load;	3351	db_init;
2283	load_extensions;	3352	load_extensions;
2284		3353
2285	$TICK_WATCHER->start;	3354	$TICK_WATCHER->start;
		3355	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2286	Event::loop;	3356	EV::loop;
2287	}	3357	}
2288		3358
2289	#############################################################################	3359	#############################################################################
2290	# initialisation and cleanup	3360	# initialisation and cleanup
2291		3361
2292	# install some emergency cleanup handlers	3362	# install some emergency cleanup handlers
2293	BEGIN {	3363	BEGIN {
		3364	our %SIGWATCHER = ();
2294	for my $signal (qw(INT HUP TERM)) {	3365	for my $signal (qw(INT HUP TERM)) {
2295	Event->signal (	3366	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2296	reentrant => 0,
2297	data => WF_AUTOCANCEL,
2298	signal => $signal,
2299	cb => sub {
2300	cf::cleanup "SIG$signal";	3367	cf::cleanup "SIG$signal";
2301	},
2302	);	3368	};
		3369	}
		3370	}
		3371
		3372	sub write_runtime {
		3373	my $runtime = "$LOCALDIR/runtime";
		3374
		3375	# first touch the runtime file to show we are still running:
		3376	# the fsync below can take a very very long time.
		3377
		3378	IO::AIO::aio_utime $runtime, undef, undef;
		3379
		3380	my $guard = cf::lock_acquire "write_runtime";
		3381
		3382	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3383	or return;
		3384
		3385	my $value = $cf::RUNTIME + 90 + 10;
		3386	# 10 is the runtime save interval, for a monotonic clock
		3387	# 60 allows for the watchdog to kill the server.
		3388
		3389	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3390	and return;
		3391
		3392	# always fsync - this file is important
		3393	aio_fsync $fh
		3394	and return;
		3395
		3396	# touch it again to show we are up-to-date
		3397	aio_utime $fh, undef, undef;
		3398
		3399	close $fh
		3400	or return;
		3401
		3402	aio_rename "$runtime~", $runtime
		3403	and return;
		3404
		3405	warn "runtime file written.\n";
		3406
2303	}	3407	1
2304	}	3408	}
2305		3409
2306	sub emergency_save() {	3410	sub emergency_save() {
2307	my $freeze_guard = cf::freeze_mainloop;	3411	my $freeze_guard = cf::freeze_mainloop;
2308		3412
…		…
2314	# and maps saved/destroyed asynchronously.	3418	# and maps saved/destroyed asynchronously.
2315	warn "begin emergency player save\n";	3419	warn "begin emergency player save\n";
2316	for my $login (keys %cf::PLAYER) {	3420	for my $login (keys %cf::PLAYER) {
2317	my $pl = $cf::PLAYER{$login} or next;	3421	my $pl = $cf::PLAYER{$login} or next;
2318	$pl->valid or next;	3422	$pl->valid or next;
		3423	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2319	$pl->save;	3424	$pl->save;
2320	}	3425	}
2321	warn "end emergency player save\n";	3426	warn "end emergency player save\n";
2322		3427
2323	warn "begin emergency map save\n";	3428	warn "begin emergency map save\n";
…		…
2325	my $map = $cf::MAP{$path} or next;	3430	my $map = $cf::MAP{$path} or next;
2326	$map->valid or next;	3431	$map->valid or next;
2327	$map->save;	3432	$map->save;
2328	}	3433	}
2329	warn "end emergency map save\n";	3434	warn "end emergency map save\n";
		3435
		3436	warn "begin emergency database checkpoint\n";
		3437	BDB::db_env_txn_checkpoint $DB_ENV;
		3438	warn "end emergency database checkpoint\n";
2330	};	3439	};
2331		3440
2332	warn "leave emergency perl save\n";	3441	warn "leave emergency perl save\n";
2333	}	3442	}
2334		3443
		3444	sub post_cleanup {
		3445	my ($make_core) = @_;
		3446
		3447	warn Carp::longmess "post_cleanup backtrace"
		3448	if $make_core;
		3449	}
		3450
2335	sub reload() {	3451	sub do_reload_perl() {
2336	# can/must only be called in main	3452	# can/must only be called in main
2337	if ($Coro::current != $Coro::main) {	3453	if ($Coro::current != $Coro::main) {
2338	warn "can only reload from main coroutine";	3454	warn "can only reload from main coroutine";
2339	return;	3455	return;
2340	}	3456	}
2341		3457
2342	warn "reloading...";	3458	warn "reloading...";
2343		3459
2344	warn "cancelling server ticker";	3460	warn "entering sync_job";
2345	$TICK_WATCHER->cancel;
2346		3461
		3462	cf::sync_job {
		3463	cf::write_runtime; # external watchdog should not bark
2347	cf::emergency_save;	3464	cf::emergency_save;
		3465	cf::write_runtime; # external watchdog should not bark
2348		3466
2349	eval {	3467	warn "syncing database to disk";
		3468	BDB::db_env_txn_checkpoint $DB_ENV;
		3469
2350	# if anything goes wrong in here, we should simply crash as we already saved	3470	# if anything goes wrong in here, we should simply crash as we already saved
2351
2352	warn "syncing database to disk";
2353	cf::db_sync;
2354
2355	warn "cancelling all WF_AUTOCANCEL watchers";
2356	for (Event::all_watchers) {
2357	$_->cancel if $_->data & WF_AUTOCANCEL;
2358	}
2359		3471
2360	warn "flushing outstanding aio requests";	3472	warn "flushing outstanding aio requests";
2361	for (;;) {	3473	for (;;) {
		3474	BDB::flush;
2362	IO::AIO::flush;	3475	IO::AIO::flush;
2363	Coro::cede;	3476	Coro::cede_notself;
2364	last unless IO::AIO::nreqs;	3477	last unless IO::AIO::nreqs || BDB::nreqs;
2365	warn "iterate...";	3478	warn "iterate...";
2366	}	3479	}
		3480
		3481	++$RELOAD;
2367		3482
2368	warn "cancelling all extension coros";	3483	warn "cancelling all extension coros";
2369	$_->cancel for values %EXT_CORO;	3484	$_->cancel for values %EXT_CORO;
2370	%EXT_CORO = ();	3485	%EXT_CORO = ();
2371		3486
2372	warn "removing commands";	3487	warn "removing commands";
2373	%COMMAND = ();	3488	%COMMAND = ();
2374		3489
2375	warn "removing ext commands";	3490	warn "removing ext/exti commands";
2376	%EXTCMD = ();	3491	%EXTCMD = ();
		3492	%EXTICMD = ();
2377		3493
2378	warn "unloading/nuking all extensions";	3494	warn "unloading/nuking all extensions";
2379	for my $pkg (@EXTS) {	3495	for my $pkg (@EXTS) {
2380	warn "... unloading $pkg";	3496	warn "... unloading $pkg";
2381		3497
…		…
2411	Symbol::delete_package "safe::$_"	3527	Symbol::delete_package "safe::$_"
2412	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2413		3529
2414	warn "unloading cf.pm \"a bit\"";	3530	warn "unloading cf.pm \"a bit\"";
2415	delete $INC{"cf.pm"};	3531	delete $INC{"cf.pm"};
		3532	delete $INC{"cf/pod.pm"};
2416		3533
2417	# don't, removes xs symbols, too,	3534	# don't, removes xs symbols, too,
2418	# and global variables created in xs	3535	# and global variables created in xs
2419	#Symbol::delete_package __PACKAGE__;	3536	#Symbol::delete_package __PACKAGE__;
2420		3537
…		…
2423	warn "reloading cf.pm";	3540	warn "reloading cf.pm";
2424	require cf;	3541	require cf;
2425	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3542	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2426		3543
2427	warn "loading config and database again";	3544	warn "loading config and database again";
2428	cf::cfg_load;	3545	cf::reload_config;
2429	cf::db_load;
2430		3546
2431	warn "loading extensions";	3547	warn "loading extensions";
2432	cf::load_extensions;	3548	cf::load_extensions;
2433		3549
2434	warn "reattaching attachments to objects/players";	3550	warn "reattaching attachments to objects/players";
2435	_global_reattach;	3551	_global_reattach; # objects, sockets
2436	warn "reattaching attachments to maps";	3552	warn "reattaching attachments to maps";
2437	reattach $_ for values %MAP;	3553	reattach $_ for values %MAP;
		3554	warn "reattaching attachments to players";
		3555	reattach $_ for values %PLAYER;
2438		3556
2439	warn "restarting server ticker";	3557	warn "leaving sync_job";
2440		3558
2441	$TICK_WATCHER->start;	3559	1
		3560	} or do {
		3561	warn $@;
		3562	cf::cleanup "error while reloading, exiting.";
2442	};	3563	};
2443
2444	if ($@) {
2445	warn $@;
2446	warn "error while reloading, exiting.";
2447	exit 1;
2448	}
2449		3564
2450	warn "reloaded";	3565	warn "reloaded";
2451	};	3566	};
2452		3567
2453	our $RELOAD_WATCHER; # used only during reload	3568	our $RELOAD_WATCHER; # used only during reload
2454		3569
		3570	sub reload_perl() {
		3571	# doing reload synchronously and two reloads happen back-to-back,
		3572	# coro crashes during coro_state_free->destroy here.
		3573
		3574	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3575	do_reload_perl;
		3576	undef $RELOAD_WATCHER;
		3577	};
		3578	}
		3579
2455	register_command "reload" => sub {	3580	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3581	my ($who, $arg) = @_;
2457		3582
2458	if ($who->flag (FLAG_WIZ)) {	3583	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("reloading server.");	3584	$who->message ("reloading server.");
2460		3585	async {
2461	# doing reload synchronously and two reloads happen back-to-back,	3586	$Coro::current->{desc} = "perl_reload";
2462	# coro crashes during coro_state_free->destroy here.
2463
2464	$RELOAD_WATCHER ||= Event->timer (
2465	reentrant => 0,
2466	after => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => sub {
2469	reload;	3587	reload_perl;
2470	undef $RELOAD_WATCHER;
2471	},
2472	);	3588	};
2473	}	3589	}
2474	};	3590	};
2475		3591
2476	unshift @INC, $LIBDIR;	3592	unshift @INC, $LIBDIR;
2477		3593
2478	my $bug_warning = 0;	3594	my $bug_warning = 0;
2479		3595
2480	$TICK_WATCHER = Event->timer (	3596	our @WAIT_FOR_TICK;
2481	reentrant => 0,	3597	our @WAIT_FOR_TICK_BEGIN;
2482	parked => 1,	3598
2483	prio => 0,	3599	sub wait_for_tick {
2484	at => $NEXT_TICK || $TICK,	3600	return unless $TICK_WATCHER->is_active;
2485	data => WF_AUTOCANCEL,	3601	return if $Coro::current == $Coro::main;
2486	cb => sub {	3602
		3603	my $signal = new Coro::Signal;
		3604	push @WAIT_FOR_TICK, $signal;
		3605	$signal->wait;
		3606	}
		3607
		3608	sub wait_for_tick_begin {
		3609	return unless $TICK_WATCHER->is_active;
		3610	return if $Coro::current == $Coro::main;
		3611
		3612	my $signal = new Coro::Signal;
		3613	push @WAIT_FOR_TICK_BEGIN, $signal;
		3614	$signal->wait;
		3615	}
		3616
		3617	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2487	if ($Coro::current != $Coro::main) {	3618	if ($Coro::current != $Coro::main) {
2488	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3619	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2489	unless ++$bug_warning > 10;	3620	unless ++$bug_warning > 10;
2490	return;	3621	return;
2491	}	3622	}
2492		3623
2493	$NOW = Event::time;	3624	$NOW = $tick_start = EV::now;
2494		3625
2495	cf::server_tick; # one server iteration	3626	cf::server_tick; # one server iteration
		3627
2496	$RUNTIME += $TICK;	3628	$RUNTIME += $TICK;
2497	$NEXT_TICK += $TICK;	3629	$NEXT_TICK = $_[0]->at;
2498		3630
2499	$WAIT_FOR_TICK->broadcast;	3631	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2500	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3632	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2501		3633	Coro::async_pool {
2502	# if we are delayed by four ticks or more, skip them all	3634	$Coro::current->{desc} = "runtime saver";
2503	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2504
2505	$TICK_WATCHER->at ($NEXT_TICK);
2506	$TICK_WATCHER->start;
2507	},
2508	);
2509
2510	IO::AIO::max_poll_time $TICK * 0.2;
2511
2512	undef $Coro::AIO::WATCHER;
2513	$AIO_POLL_WATCHER = Event->io (
2514	reentrant => 0,
2515	fd => IO::AIO::poll_fileno,
2516	poll => 'r',
2517	prio => 6,
2518	data => WF_AUTOCANCEL,
2519	cb => \&IO::AIO::poll_cb,
2520	);
2521
2522	$WRITE_RUNTIME_WATCHER = Event->timer (
2523	reentrant => 0,
2524	data => WF_AUTOCANCEL,
2525	after => 1,
2526	interval => 10,
2527	prio => 6, # keep it lowest so it acts like a watchdog
2528	cb => Coro::unblock_sub {
2529	write_runtime	3635	write_runtime
2530	or warn "ERROR: unable to write runtime file: $!";	3636	or warn "ERROR: unable to write runtime file: $!";
		3637	};
2531	},	3638	}
2532	);	3639
		3640	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3641	$sig->send;
		3642	}
		3643	while (my $sig = shift @WAIT_FOR_TICK) {
		3644	$sig->send;
		3645	}
		3646
		3647	$LOAD = ($NOW - $tick_start) / $TICK;
		3648	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3649
		3650	_post_tick;
		3651	};
		3652	$TICK_WATCHER->priority (EV::MAXPRI);
		3653
		3654	{
		3655	# configure BDB
		3656
		3657	BDB::min_parallel 8;
		3658	BDB::max_poll_reqs $TICK * 0.1;
		3659	$Coro::BDB::WATCHER->priority (1);
		3660
		3661	unless ($DB_ENV) {
		3662	$DB_ENV = BDB::db_env_create;
		3663	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3664	| BDB::LOG_AUTOREMOVE, 1);
		3665	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3666	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3667
		3668	cf::sync_job {
		3669	eval {
		3670	BDB::db_env_open
		3671	$DB_ENV,
		3672	$BDBDIR,
		3673	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3674	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3675	0666;
		3676
		3677	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3678	};
		3679
		3680	cf::cleanup "db_env_open(db): $@" if $@;
		3681	};
		3682	}
		3683
		3684	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3685	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3686	};
		3687	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3688	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3689	};
		3690	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3691	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3692	};
		3693	}
		3694
		3695	{
		3696	# configure IO::AIO
		3697
		3698	IO::AIO::min_parallel 8;
		3699	IO::AIO::max_poll_time $TICK * 0.1;
		3700	$Coro::AIO::WATCHER->priority (1);
		3701	}
		3702
		3703	my $_log_backtrace;
		3704
		3705	sub _log_backtrace {
		3706	my ($msg, @addr) = @_;
		3707
		3708	$msg =~ s/\n//;
		3709
		3710	# limit the # of concurrent backtraces
		3711	if ($_log_backtrace < 2) {
		3712	++$_log_backtrace;
		3713	async {
		3714	$Coro::current->{desc} = "abt $msg";
		3715
		3716	my @bt = fork_call {
		3717	@addr = map { sprintf "%x", $_ } @addr;
		3718	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3719	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3720	or die "addr2line: $!";
		3721
		3722	my @funcs;
		3723	my @res = <$fh>;
		3724	chomp for @res;
		3725	while (@res) {
		3726	my ($func, $line) = splice @res, 0, 2, ();
		3727	push @funcs, "[$func] $line";
		3728	}
		3729
		3730	@funcs
		3731	};
		3732
		3733	LOG llevInfo, "[ABT] $msg\n";
		3734	LOG llevInfo, "[ABT] $_\n" for @bt;
		3735	--$_log_backtrace;
		3736	};
		3737	} else {
		3738	LOG llevInfo, "[ABT] $msg\n";
		3739	LOG llevInfo, "[ABT] [suppressed]\n";
		3740	}
		3741	}
		3742
		3743	# load additional modules
		3744	use cf::pod;
2533		3745
2534	END { cf::emergency_save }	3746	END { cf::emergency_save }
2535		3747
2536	1	3748	1
2537		3749

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