ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/cf.schmorp.de/server/lib/cf.pm

Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 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 3.5 ();	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 ();
20	use BDB ();	28	use BDB ();
21	use Data::Dumper;	29	use Data::Dumper;
22	use Digest::MD5;	30	use Digest::MD5;
23	use Fcntl;	31	use Fcntl;
		32	use YAML ();
24	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
25	use YAML::Syck ();
26	use Time::HiRes;	34	use Time::HiRes;
		35	use Compress::LZF;
		36	use Digest::MD5 ();
27		37
28	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
29		45
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		47
37	our %COMMAND = ();	48	our %COMMAND = ();
38	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
39		50
40	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
44		56
		57	our $RELOAD; # number of reloads so far
45	our @EVENT;	58	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		59
48	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(!)
49	our $TICK_WATCHER;	74	our $TICK_WATCHER;
50	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
51	our $WRITE_RUNTIME_WATCHER;	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	77	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		79
56	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	84	our $DB_ENV;
58		85
59	our %CFG;	86	our %CFG;
60		87
61	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
63		91
64	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		95
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $tick_start; # for load detecting purposes
		102
76	binmode STDOUT;	103	binmode STDOUT;
77	binmode STDERR;	104	binmode STDERR;
78		105
79	# read virtual server time, if available	106	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
84	}	111	}
85		112
86	mkdir cf::localdir;	113	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		115
93	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
94		117
95	sub cf::map::normalise;	118	sub cf::map::normalise;
96		119
…		…
107	=item $cf::RUNTIME	130	=item $cf::RUNTIME
108		131
109	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
110	every server tick.	133	every server tick.
111		134
112	=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
113		138
114	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		143
117	=item $cf::NOW	144	=item $cf::NOW
118		145
119	The time of the last (current) server tick.	146	The time of the last (current) server tick.
120		147
121	=item $cf::TICK	148	=item $cf::TICK
122		149
123	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
124		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
125	=item %cf::CFG	162	=item %cf::CFG
126		163
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	165	from wherever your confdir points to.
129		166
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		168
132	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
133	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
134	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.
135	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.
136		178
137	=back	179	=back
138		180
139	=cut	181	=cut
140		182
141	BEGIN {	183	BEGIN {
142	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	185	my $msg = join "", @_;
144	utf8::encode $msg;
145		186
146	$msg .= "\n"	187	$msg .= "\n"
147	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
148		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
149	LOG llevError, $msg;	192	LOG llevError, $msg;
150	};	193	};
151	}	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#?
152		210
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		218
160	# 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
161	# within the Safe compartment.	220	# within the Safe compartment.
162	for my $pkg (qw(	221	for my $pkg (qw(
163	cf::global cf::attachable	222	cf::global cf::attachable
…		…
168	)) {	227	)) {
169	no strict 'refs';	228	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	230	}
172		231
173	$Event::DIED = sub {	232	$EV::DIED = sub {
174	warn "error in event callback: @_";	233	warn "error in event callback: @_";
175	};	234	};
		235
		236	#############################################################################
176		237
177	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
178		239
179	=over 4	240	=over 4
180		241
…		…
199	$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;
200	$d	261	$d
201	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
202	}	263	}
203		264
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
207		266
208	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
209		268
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
218		270
219	Converts a perl data structure into its JSON representation.	271	Converts a perl data structure into its JSON representation.
220		272
221	=cut	273	=cut
222		274
223	sub to_json($) {	275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	276
225	JSON::Syck::Dump $_[0]	277	sub encode_json($) { $json_coder->encode ($_[0]) }
226	}	278	sub decode_json($) { $json_coder->decode ($_[0]) }
227		279
228	=item cf::lock_wait $string	280	=item cf::lock_wait $string
229		281
230	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
231		283
…		…
234	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
235	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,
236	for example when the coroutine gets canceled), the lock is automatically	288	for example when the coroutine gets canceled), the lock is automatically
237	returned.	289	returned.
238		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
239	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
240	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
241		296
		297	=item $locked = cf::lock_active $string
		298
		299	Return true if the lock is currently active, i.e. somebody has locked it.
		300
242	=cut	301	=cut
243		302
244	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
245		305
246	sub lock_wait($) {	306	sub lock_wait($) {
247	my ($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#
248		313
249	# wait for lock, if any	314	# wait for lock, if any
250	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;	317	Coro::schedule;
…		…
258		323
259	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
260	lock_wait $key;	325	lock_wait $key;
261		326
262	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
263		329
264	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
265	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
267	}	334	}
268	}	335	}
269		336
		337	sub lock_active($) {
		338	my ($key) = @_;
		339
		340	! ! $LOCK{$key}
		341	}
		342
270	sub freeze_mainloop {	343	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	344	return unless $TICK_WATCHER->is_active;
272		345
273	my $guard = Coro::guard {	346	my $guard = Coro::guard {
274	$TICK_WATCHER->start;	347	$TICK_WATCHER->start;
275	$WRITE_RUNTIME_WATCHER->start;
276	};	348	};
277	$WRITE_RUNTIME_WATCHER->stop;
278	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
279	$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	$sig->wait;
280	}	424	}
281		425
282	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
283		427
284	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		433
290	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
291		435
292	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
293		437
294	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
297		442
298	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
301	fast or be very important.	446	fast or be very important.
…		…
304		449
305	sub sync_job(&) {	450	sub sync_job(&) {
306	my ($job) = @_;	451	my ($job) = @_;
307		452
308	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
		454	my $time = EV::time;
		455
309	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
311		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
312	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
313	# (but this is cancel-safe)	462	# (but this is cancel-safe)
314	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
315		464
316	my $busy = 1;	465	my $busy = 1;
317	my @res;	466	my @res;
318		467
319	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	470	@res = eval { $job->() };
321	warn $@ if $@;	471	warn $@ if $@;
322	undef $busy;	472	undef $busy;
323	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
324		474
325	while ($busy) {	475	while ($busy) {
326	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
327	}	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
328		489
329	wantarray ? @res : $res[0]	490	wantarray ? @res : $res[0]
330	} else {	491	} else {
331	# we are in another coroutine, how wonderful, everything just works	492	# we are in another coroutine, how wonderful, everything just works
332		493
…		…
352	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
353		514
354	$coro	515	$coro
355	}	516	}
356		517
357	sub write_runtime {	518	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		519
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	520	Executes the given code block with the given arguments in a seperate
361	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.
362		524
363	my $value = $cf::RUNTIME + 90 + 10;	525	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		526
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	527	sub fork_call(&@) {
368	and return;	528	my ($cb, @args) = @_;
369		529
370	# always fsync - this file is important	530	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	531	# otherwise perl prematurely frees the stuff :/
372	and return;	532	# TODO: investigate and fix (likely this will be rather laborious)
373		533
374	close $fh	534	my @res = Coro::Util::fork_eval {
375	or return;	535	reset_signals;
		536	&$cb
		537	}, @args;
376		538
377	aio_rename "$runtime~", $runtime	539	wantarray ? @res : $res[-1]
378	and return;	540	}
379		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($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
380	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		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 });
381	}	678	}
382		679
383	=back	680	=back
384		681
385	=cut	682	=cut
…		…
392	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")
393	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
394		691
395	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>
396	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
397	crossfire+).	694	Deliantra).
398		695
399	=over 4	696	=over 4
400		697
401	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
402		699
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	862	$registry = $CB_TYPE[$object_type] ||= [];
566		863
567	} elsif ($type eq "subtype") {	864	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	865	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	866	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	867	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		868
572	} elsif ($type eq "package") {	869	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	870	my $pkg = shift @arg;
574		871
575	while (my ($name, $id) = each %cb_id) {	872	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
605	}	902	}
606		903
607	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
608	} else {	905	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	907	}
611		908
612	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
613	}	910	}
614		911
…		…
616	if (ref $_[0]) {	913	if (ref $_[0]) {
617	_object_attach @_;	914	_object_attach @_;
618	} else {	915	} else {
619	_attach shift->_attach_registry, @_;	916	_attach shift->_attach_registry, @_;
620	}	917	}
		918	_recalc_want;
621	};	919	};
622		920
623	# all those should be optimised	921	# all those should be optimised
624	sub cf::attachable::detach {	922	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	926	delete $obj->{_attachment}{$name};
629	reattach ($obj);	927	reattach ($obj);
630	} else {	928	} else {
631	Carp::croak "cannot, currently, detach class attachments";	929	Carp::croak "cannot, currently, detach class attachments";
632	}	930	}
		931	_recalc_want;
633	};	932	};
634		933
635	sub cf::attachable::attached {	934	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
637		936
…		…
652	";	951	";
653	die if $@;	952	die if $@;
654	}	953	}
655		954
656	our $override;	955	our $override;
657	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?
658		957
659	sub override {	958	sub override {
660	$override = 1;	959	$override = 1;
661	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
662	}	961	}
663		962
664	sub do_invoke {	963	sub do_invoke {
665	my $event = shift;	964	my $event = shift;
666	my $callbacks = shift;	965	my $callbacks = shift;
667		966
668	@invoke_results = ();	967	@INVOKE_RESULTS = ();
669		968
670	local $override;	969	local $override;
671		970
672	for (@$callbacks) {	971	for (@$callbacks) {
673	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
682	}	981	}
683		982
684	0	983	0
685	}	984	}
686		985
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		987
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		989
691	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
692		991
693	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
694	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
695	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		995
697	=back	996	=back
698		997
699	=cut	998	=cut
700		999
701	#############################################################################	1000	#############################################################################
702	# 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, $ob2
		1043	}
703		1044
704	sub reattach {	1045	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1047	my ($obj) = @_;
707		1048
…		…
728	cf::attachable->attach (	1069	cf::attachable->attach (
729	prio => -1000000,	1070	prio => -1000000,
730	on_instantiate => sub {	1071	on_instantiate => sub {
731	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
732		1073
733	$data = from_json $data;	1074	$data = decode_json $data;
734		1075
735	for (@$data) {	1076	for (@$data) {
736	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
737		1078
738	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1095	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
756		1097
757	sync_job {	1098	sync_job {
758	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
761		1103
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1107	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1108	close $fh;
767		1109
768	if (@$objs) {	1110	if (@$objs) {
769	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) {
770	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1115	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1116	close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
776	}	1118	}
…		…
784	}	1126	}
785	} else {	1127	} else {
786	aio_unlink $filename;	1128	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
788	}	1130	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1131	};
796	}	1132	}
797		1133
798	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
800		1136
…		…
805		1141
806	sub object_thawer_load {	1142	sub object_thawer_load {
807	my ($filename) = @_;	1143	my ($filename) = @_;
808		1144
809	my ($data, $av);	1145	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1146
814	(aio_load $filename, $data) >= 0	1147	(aio_load $filename, $data) >= 0
815	or return;	1148	or return;
816		1149
817	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
819	or return;	1152	or return;
		1153
820	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
821	}	1156	}
822		1157
		1158	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
825	return ($data, $av);	1162	($data, $av)
826	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
827		1170
828	#############################################################################	1171	#############################################################################
829	# command handling &c	1172	# command handling &c
830		1173
831	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1188	}
846		1189
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1191
849	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.
850		1197
851	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
852	called.	1199	called.
853		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
854	=cut	1212	=cut
855		1213
856	sub register_extcmd {	1214	sub register_extcmd {
857	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
858		1216
859	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
860	}	1224	}
861		1225
862	cf::player->attach (	1226	cf::player->attach (
863	on_command => sub {	1227	on_command => sub {
864	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1237	cf::override;
874	},	1238	},
875	on_extcmd => sub {	1239	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
877		1241
878	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1243
880	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
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
886	} else {	1259	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1261	}
889		1262
890	cf::override;	1263	cf::override;
891	},	1264	},
892	);	1265	);
893		1266
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
929	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1272	next unless -r $path;
931	eval {	1273
932	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	$progress = 1;
933	1	1330	}
934	} or warn "$ext not loaded: $@";	1331
		1332	skip:
		1333	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1334	unless $progress;
		1335	}
935	}	1336	};
936	}	1337	}
937		1338
938	#############################################################################	1339	#############################################################################
939		1340
		1341	=back
		1342
940	=head2 CORE EXTENSIONS	1343	=head2 CORE EXTENSIONS
941		1344
942	Functions and methods that extend core crossfire objects.	1345	Functions and methods that extend core crossfire objects.
943		1346
944	=cut	1347	=cut
…		…
949		1352
950	=head3 cf::player	1353	=head3 cf::player
951		1354
952	=over 4	1355	=over 4
953		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
954	=item cf::player::find $login	1371	=item cf::player::find $login
955		1372
956	Returns the given player object, loading it if necessary (might block).	1373	Returns the given player object, loading it if necessary (might block).
957		1374
958	=cut	1375	=cut
959		1376
960	sub playerdir($) {	1377	sub playerdir($) {
961	cf::localdir	1378	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1379	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1380	}
967		1381
968	sub path($) {	1382	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1383	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1384
971	(playerdir $login) . "/$login.pl"	1385	(playerdir $login) . "/playerdata"
972	}	1386	}
973		1387
974	sub find_active($) {	1388	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1389	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1390	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1403	my $login = $_[0];
990		1404
991	my $guard = cf::lock_acquire "user_find:$login";	1405	my $guard = cf::lock_acquire "user_find:$login";
992		1406
993	$cf::PLAYER{$_[0]} || do {	1407	$cf::PLAYER{$_[0]} || do {
994	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
995	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;
996	$cf::PLAYER{$login} = $pl	1422	$cf::PLAYER{$login} = $pl
997	}	1423	}
998	}	1424	}
999	}	1425	}
1000		1426
…		…
1010		1436
1011	aio_mkdir playerdir $pl, 0770;	1437	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1438	$pl->{last_save} = $cf::RUNTIME;
1013		1439
1014	$pl->save_pl ($path);	1440	$pl->save_pl ($path);
1015	Coro::cede;	1441	cf::cede_to_tick;
1016	}	1442	}
1017		1443
1018	sub new($) {	1444	sub new($) {
1019	my ($login) = @_;	1445	my ($login) = @_;
1020		1446
…		…
1026	$cf::PLAYER{$login} = $self;	1452	$cf::PLAYER{$login} = $self;
1027		1453
1028	$self	1454	$self
1029	}	1455	}
1030		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
1031	=item $pl->quit_character	1467	=item $pl->quit_character
1032		1468
1033	Nukes the player without looking back. If logged in, the connection will	1469	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1470	be destroyed. May block for a long time.
1035		1471
1036	=cut	1472	=cut
1037		1473
1038	sub quit_character {	1474	sub quit_character {
1039	my ($pl) = @_;	1475	my ($pl) = @_;
		1476
		1477	my $name = $pl->ob->name;
1040		1478
1041	$pl->{deny_save} = 1;	1479	$pl->{deny_save} = 1;
1042	$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
1043		1481
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1482	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1487	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1488	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1489	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1490	delete $cf::PLAYER{$pl->ob->name};
1053	$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
1054	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;
1055	}	1513	}
1056		1514
1057	=item cf::player::list_logins	1515	=item cf::player::list_logins
1058		1516
1059	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
1060	while and may block, so not sync_job-capable, ever.	1518	while and may block, so not sync_job-capable, ever.
1061		1519
1062	=cut	1520	=cut
1063		1521
1064	sub list_logins {	1522	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1523	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1524	or return [];
1067		1525
1068	my @logins;	1526	my @logins;
1069		1527
1070	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") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1533	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1534	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1535	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1536	}
1074		1537
1075	utf8::decode $login;	1538	utf8::decode $login;
1076	push @logins, $login;	1539	push @logins, $login;
1077	}	1540	}
1078		1541
…		…
1105	}	1568	}
1106		1569
1107	\@paths	1570	\@paths
1108	}	1571	}
1109		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
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1666	=item $player->ext_reply ($msgid, @msg)
1111		1667
1112	Sends an ext reply to the player.	1668	Sends an ext reply to the player.
1113		1669
1114	=cut	1670	=cut
1115		1671
1116	sub ext_reply($$$%) {	1672	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1673	my ($self, $id, @msg) = @_;
1118		1674
1119	$msg{msgid} = $id;	1675	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1676	}
1123		1677
1124	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	$match
		1717	}
1125		1718
1126	=back	1719	=back
1127
1128		1720
1129	=head3 cf::map	1721	=head3 cf::map
1130		1722
1131	=over 4	1723	=over 4
1132		1724
…		…
1187	my ($self, $merge) = @_;	1779	my ($self, $merge) = @_;
1188		1780
1189	# we have to keep some variables in memory intact	1781	# we have to keep some variables in memory intact
1190	local $self->{path};	1782	local $self->{path};
1191	local $self->{load_path};	1783	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1784
1195	$self->SUPER::thawer_merge ($merge);	1785	$self->SUPER::thawer_merge ($merge);
1196	}	1786	}
1197		1787
1198	sub normalise {	1788	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1835	$self->init; # pass $1 etc.
1246	return $self;	1836	return $self;
1247	}	1837	}
1248	}	1838	}
1249		1839
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1840	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1841	()
1252	}	1842	}
1253		1843
1254	sub init {	1844	sub init {
1255	my ($self) = @_;	1845	my ($self) = @_;
…		…
1270		1860
1271	# the original (read-only) location	1861	# the original (read-only) location
1272	sub load_path {	1862	sub load_path {
1273	my ($self) = @_;	1863	my ($self) = @_;
1274		1864
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1865	"$MAPDIR/$self->{path}.map"
1276	}	1866	}
1277		1867
1278	# the temporary/swap location	1868	# the temporary/swap location
1279	sub save_path {	1869	sub save_path {
1280	my ($self) = @_;	1870	my ($self) = @_;
1281		1871
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1872	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1873	"$TMPDIR/$path.map"
1284	}	1874	}
1285		1875
1286	# the unique path, undef == no special unique path	1876	# the unique path, undef == no special unique path
1287	sub uniq_path {	1877	sub uniq_path {
1288	my ($self) = @_;	1878	my ($self) = @_;
1289		1879
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1881	"$UNIQUEDIR/$path"
1292	}	1882	}
1293		1883
1294	# and all this just because we cannot iterate over	1884	# and all this just because we cannot iterate over
1295	# all maps in C++...	1885	# all maps in C++...
1296	sub change_all_map_light {	1886	sub change_all_map_light {
…		…
1298		1888
1299	$_->change_map_light ($change)	1889	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1890	for grep $_->outdoor, values %cf::MAP;
1301	}	1891	}
1302		1892
		1893	sub decay_objects {
		1894	my ($self) = @_;
		1895
		1896	return if $self->{deny_reset};
		1897
		1898	$self->do_decay_objects;
		1899	}
		1900
1303	sub unlink_save {	1901	sub unlink_save {
1304	my ($self) = @_;	1902	my ($self) = @_;
1305		1903
1306	utf8::encode (my $save = $self->save_path);	1904	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1905	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1906	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1907	}
1315		1908
1316	sub load_header_from($) {	1909	sub load_header_from($) {
1317	my ($self, $path) = @_;	1910	my ($self, $path) = @_;
1318		1911
1319	utf8::encode $path;	1912	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1913	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1914	or return;
		1915
		1916	$self->_load_header ($f)
		1917	or return;
		1918
		1919	local $MAP_LOADING{$self->{path}} = $self;
		1920	$f->resolve_delayed_derefs;
1325		1921
1326	$self->{load_path} = $path;	1922	$self->{load_path} = $path;
1327		1923
1328	1	1924	1
1329	}	1925	}
…		…
1368	$self->load_header_orig	1964	$self->load_header_orig
1369	or return;	1965	or return;
1370	$self->prepare_orig;	1966	$self->prepare_orig;
1371	}	1967	}
1372		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 $self->default_region;
		1974
1373	1	1975	1
1374	}	1976	}
1375		1977
1376	sub find;	1978	sub find;
1377	sub find {	1979	sub find {
1378	my ($path, $origin) = @_;	1980	my ($path, $origin) = @_;
1379		1981
1380	$path = normalise $path, $origin && $origin->path;	1982	$path = normalise $path, $origin && $origin->path;
1381		1983
		1984	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1985	cf::lock_wait "map_find:$path";
1383		1986
1384	$cf::MAP{$path} || do {	1987	$cf::MAP{$path} || do {
1385	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
1386	my $map = new_from_path cf::map $path	1991	my $map = new_from_path cf::map $path
1387	or return;	1992	or return;
1388		1993
1389	$map->{last_save} = $cf::RUNTIME;	1994	$map->{last_save} = $cf::RUNTIME;
1390		1995
1391	$map->load_header	1996	$map->load_header
1392	or return;	1997	or return;
1393		1998
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1999	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2000	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2001	#$cf::WAIT_FOR_TICK->wait;
		2002	undef $guard1;
		2003	undef $guard2;
1397	$map->reset;	2004	$map->reset;
1398	undef $guard;
1399	return find $path;	2005	return find $path;
1400	}	2006	}
1401		2007
1402	$cf::MAP{$path} = $map	2008	$cf::MAP{$path} = $map
1403	}	2009	}
…		…
1410	my ($self) = @_;	2016	my ($self) = @_;
1411		2017
1412	local $self->{deny_reset} = 1; # loading can take a long time	2018	local $self->{deny_reset} = 1; # loading can take a long time
1413		2019
1414	my $path = $self->{path};	2020	my $path = $self->{path};
		2021
		2022	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2023	my $guard = cf::lock_acquire "map_data:$path";
1416		2024
		2025	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2026	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2027
1419	$self->in_memory (cf::MAP_LOADING);	2028	$self->in_memory (cf::MAP_LOADING);
1420		2029
1421	$self->alloc;	2030	$self->alloc;
1422		2031
1423	$self->pre_load;	2032	$self->pre_load;
		2033	cf::cede_to_tick;
1424		2034
1425	$self->_load_objects ($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)
1426	or return;	2038	or return;
1427		2039
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2040	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};	2041	if delete $self->{load_original};
1430		2042
1431	if (my $uniq = $self->uniq_path) {	2043	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2044	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2045	unless (aio_stat $uniq) {
		2046	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2047	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2048	$self->_load_objects ($f);
		2049	$f->resolve_delayed_derefs;
		2050	}
1436	}	2051	}
1437	}	2052	}
1438		2053
1439	Coro::cede;	2054	$f->resolve_delayed_derefs;
1440		2055
		2056	cf::cede_to_tick;
1441	# now do the right thing for maps	2057	# now do the right thing for maps
1442	$self->link_multipart_objects;	2058	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2059	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2060	unless $self->difficulty;
1452	Coro::cede;	2061	cf::cede_to_tick;
		2062
		2063	unless ($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;
1453	$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);
1454	}	2077	}
1455		2078
1456	$self->post_load;	2079	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2080	}
1460		2081
1461	sub customise_for {	2082	sub customise_for {
1462	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1463		2084
1464	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2086	if $self->per_player;
1466		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1467	$self	2091	$self
1468	}	2092	}
1469		2093
1470	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2095	sub load_neighbours {
1472	my ($map) = @_;	2096	my ($map) = @_;
1473		2097
1474	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1475		2099
1476	for (0 .. 3) {	2100	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1478	or next;	2102	or next;
1479	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1480	or next;	2104	or next;
1481	$neigh->load;	2105	$neigh->load;
1482		2106
		2107	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2110	}
1486		2111
1487	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1489	or next;	2115	or next;
1490	$neigh->load;	2116	$neigh->load;
1491	}	2117	}
1492	}	2118	}
1493		2119
…		…
1498	}	2124	}
1499		2125
1500	sub do_load_sync {	2126	sub do_load_sync {
1501	my ($map) = @_;	2127	my ($map) = @_;
1502		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1503	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1504	}	2133	}
1505		2134
1506	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1508		2137
1509	sub find_async {	2138	sub find_async {
1510	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1511		2140
1512	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1513		2142
1514	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1516	}	2145	}
1517		2146
1518	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1519	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1520	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2154	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2155	$map->load if $v;
		2156	}
1525		2157
1526	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1527	}	2159	}
1528	}	2160	}
1529	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1530	};	2162	};
1531	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2166	}
1535		2167
1536	sub save {	2168	sub save {
1537	my ($self) = @_;	2169	my ($self) = @_;
1538		2170
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2172
1541	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1542		2174
1543	return unless $self->dirty;	2175	return unless $self->dirty;
1544		2176
…		…
1550	return if $self->{deny_save};	2182	return if $self->{deny_save};
1551		2183
1552	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1553		2185
1554	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1556	};	2189	};
1557		2190
1558	if ($uniq) {	2191	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2192	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1567	my ($self) = @_;	2200	my ($self) = @_;
1568		2201
1569	# save first because save cedes	2202	# save first because save cedes
1570	$self->save;	2203	$self->save;
1571		2204
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2205	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2206
1574	return if $self->players;	2207	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2208	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};	2209	return if $self->{deny_save};
1577		2210
		2211	$self->in_memory (cf::MAP_SWAPPED);
		2212
		2213	$self->deactivate;
		2214	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2215	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2216	}
1581		2217
1582	sub reset_at {	2218	sub reset_at {
1583	my ($self) = @_;	2219	my ($self) = @_;
1584		2220
1585	# TODO: safety, remove and allow resettable per-player maps	2221	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2222	return 1e99 if $self->{deny_reset};
1588		2223
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2224	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2225	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2226
…		…
1602	my ($self) = @_;	2237	my ($self) = @_;
1603		2238
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2239	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2240
1606	return if $self->players;	2241	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2242
1609	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	}
1610		2254
1611	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1612		2256
1613	$self->in_memory (cf::MAP_SWAPPED);	2257	$self->deactivate;
		2258	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2259	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2260
1618	$self->unlink_save;	2261	$self->unlink_save;
1619	$self->destroy;	2262	$self->destroy;
1620	}	2263	}
1621		2264
1622	my $nuke_counter = "aaaa";	2265	my $nuke_counter = "aaaa";
1623		2266
1624	sub nuke {	2267	sub nuke {
1625	my ($self) = @_;	2268	my ($self) = @_;
1626		2269
		2270	{
		2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2272
1627	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1628		2274
1629	$self->unlink_save;	2275	$self->unlink_save;
1630		2276
1631	bless $self, "cf::map";	2277	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2278	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2279	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2280	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2281	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2282
1637	$cf::MAP{$self->path} = $self;	2283	$cf::MAP{$self->path} = $self;
		2284	}
1638		2285
1639	$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	]
1640	}	2323	}
1641		2324
1642	=item cf::map::unique_maps	2325	=item cf::map::unique_maps
1643		2326
1644	Returns an arrayref of paths of all shared maps that have	2327	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2328	instantiated unique items. May block.
1646		2329
1647	=cut	2330	=cut
1648		2331
1649	sub unique_maps() {	2332	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2333	[
1651	or return;	2334	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2335	utf8::decode $_;
1657	next if /\.pst$/;	2336	/\.map$/
1658	next unless /^$PATH_SEP/o;	2337	? normalise $_
1659		2338	: ()
1660	push @paths, cf::map::normalise $_;	2339	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2340	]
1662
1663	\@paths
1664	}	2341	}
1665		2342
1666	package cf;	2343	package cf;
1667		2344
1668	=back	2345	=back
…		…
1686	map { $_, inv_recursive_ $_->inv } @_	2363	map { $_, inv_recursive_ $_->inv } @_
1687	}	2364	}
1688		2365
1689	sub inv_recursive {	2366	sub inv_recursive {
1690	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	}
1691	}	2396	}
1692		2397
1693	package cf;	2398	package cf;
1694		2399
1695	=back	2400	=back
…		…
1714		2419
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2421
1717	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1719	} 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 {
1720	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2434	$self->message ($msg, $flags);
		2435	}
1722	}	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 (@_);
1723	}	2447	}
1724		2448
1725	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1726		2450
1727	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2498	$self->deactivate_recursive;
1775		2499
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2500	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2501
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2503	if $self->map && $self->map->{path} ne "{link}";
1780		2504
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2505	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2506	}
1783		2507
1784	sub cf::object::player::leave_link {	2508	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2509	my ($self, $map, $x, $y) = @_;
		2510
		2511	return unless $self->contr->active;
1786		2512
1787	my $link_pos = delete $self->{_link_pos};	2513	my $link_pos = delete $self->{_link_pos};
1788		2514
1789	unless ($map) {	2515	unless ($map) {
1790	# restore original map position	2516	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2530	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2531	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2532	if $x <=0 && $y <= 0;
1807		2533
1808	$map->load;	2534	$map->load;
1809	$map->load_diag;	2535	$map->load_neighbours;
1810		2536
1811	return unless $self->contr->active;	2537	return unless $self->contr->active;
1812	$self->activate_recursive;	2538	$self->activate_recursive;
		2539
		2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1814	}	2542	}
1815		2543
1816	cf::player->attach (	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2545
1820	# abort map switching before logout	2546	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2547	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2549	the new (success) or old (failed) map position. In either case, $done will
1824	};	2550	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2551
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2552	=cut
		2553
		2554	our $GOTOGEN;
1851		2555
1852	sub cf::object::player::goto {	2556	sub cf::object::player::goto {
1853	my ($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;
1854		2561
1855	$self->enter_link;	2562	$self->enter_link;
1856		2563
1857	(async {	2564	(async {
		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
1858	my $map = eval {	2586	my $map = eval {
1859	my $map = cf::map::find $path;	2587	my $map = defined $path ? cf::map::find $path : undef;
		2588
		2589	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2590	$map = $map->customise_for ($self);
		2591	$map = $check->($map) if $check && $map;
		2592	} else {
		2593	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	}
		2595
1861	$map	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 $@;
1862	} or	2602	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2603
		2604	if ($gen == $self->{_goto_generation}) {
		2605	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2606	$self->leave_link ($map, $x, $y);
		2607	}
		2608
		2609	$done->() if $done;
1866	})->prio (1);	2610	})->prio (1);
1867	}	2611	}
1868		2612
1869	=item $player_object->enter_exit ($exit_object)	2613	=item $player_object->enter_exit ($exit_object)
1870		2614
…		…
1907	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
1908	}	2652	}
1909		2653
1910	$rmp->{random_seed} ||= $exit->random_seed;	2654	$rmp->{random_seed} ||= $exit->random_seed;
1911		2655
1912	my $data = cf::to_json $rmp;	2656	my $data = cf::encode_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2657	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2658	my $meta = "$RANDOMDIR/$md5.meta";
1915		2659
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2660	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2661	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2662	undef $fh;
1919	aio_rename "$meta~", $meta;	2663	aio_rename "$meta~", $meta;
…		…
1928		2672
1929	return unless $self->type == cf::PLAYER;	2673	return unless $self->type == cf::PLAYER;
1930		2674
1931	if ($exit->slaying eq "/!") {	2675	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	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
1933	cf::sync_job { prepare_random_map $exit };	2679	cf::sync_job { prepare_random_map $exit };
1934	}	2680	}
1935		2681
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2682	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2683	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2684	my $sp = $exit->stats->sp;
1939		2685
1940	$self->enter_link;	2686	$self->enter_link;
1941		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
1942	(async {	2692	(async {
		2693	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2694
1943	$self->deactivate_recursive; # just to be sure	2695	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2696	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2697	$self->goto ($slaying, $hp, $sp);
1946		2698
1947	1;	2699	1;
1948	}) {	2700	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "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. "
1951	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2705
1954	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2707	$self->leave_link;
1956	}	2708	}
1957	})->prio (1);	2709	})->prio (1);
…		…
1970		2722
1971	sub cf::client::send_drawinfo {	2723	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2724	my ($self, $text, $flags) = @_;
1973		2725
1974	utf8::encode $text;	2726	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2728	}
1977		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	}
1978		2888
1979	=item $success = $client->query ($flags, "text", \&cb)	2889	=item $success = $client->query ($flags, "text", \&cb)
1980		2890
1981	Queues a query to the client, calling the given callback with	2891	Queues a query to the client, calling the given callback with
1982	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>,
1983	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>.
1984		2894
1985	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
1986	reliable at some point in the future.	2896	become reliable at some point in the future.
1987		2897
1988	=cut	2898	=cut
1989		2899
1990	sub cf::client::query {	2900	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2901	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2909	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2910	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2911
2002	$self->send_packet ($self->{query_queue}[0][0])	2912	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2913	if @{ $self->{query_queue} } == 1;
		2914
		2915	1
2004	}	2916	}
2005		2917
2006	cf::client->attach (	2918	cf::client->attach (
		2919	on_connect => sub {
		2920	my ($ns) = @_;
		2921
		2922	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2923	},
2007	on_reply => sub {	2924	on_reply => sub {
2008	my ($ns, $msg) = @_;	2925	my ($ns, $msg) = @_;
2009		2926
2010	# this weird shuffling is so that direct followup queries	2927	# this weird shuffling is so that direct followup queries
2011	# get handled first	2928	# get handled first
…		…
2023	} else {	2940	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2941	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2942	}
2026	}	2943	}
2027	},	2944	},
		2945	on_exticmd => sub {
		2946	my ($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	},
2028	);	2971	);
2029		2972
2030	=item $client->async (\&cb)	2973	=item $client->async (\&cb)
2031		2974
2032	Create a new coroutine, running the specified callback. The coroutine will	2975	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3016	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3017	our $safe_hole = new Safe::Hole;
2075		3018
2076	$SIG{FPE} = 'IGNORE';	3019	$SIG{FPE} = 'IGNORE';
2077		3020
2078	$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	));
2079		3026
2080	# here we export the classes and methods available to script code	3027	# here we export the classes and methods available to script code
2081		3028
2082	=pod	3029	=pod
2083		3030
2084	The following fucntions and emthods are available within a safe environment:	3031	The following functions and methods are available within a safe environment:
2085		3032
2086	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
2087	cf::object::player player	3037	cf::object::player
2088	cf::player peaceful	3038	player
2089	cf::map trigger	3039
		3040	cf::player
		3041	peaceful
		3042
		3043	cf::map
		3044	trigger
2090		3045
2091	=cut	3046	=cut
2092		3047
2093	for (	3048	for (
2094	["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)],
2095	["cf::object::player" => qw(player)],	3052	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3053	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3054	["cf::map" => qw(trigger)],
2098	) {	3055	) {
2099	no strict 'refs';	3056	no strict 'refs';
…		…
2170	=back	3127	=back
2171		3128
2172	=cut	3129	=cut
2173		3130
2174	#############################################################################	3131	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	3132	# the server's init and main functions
2284		3133
2285	sub load_resources {	3134	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3135	my ($path) = @_;
		3136
		3137	# HACK to clear player env face cache, we need some signal framework
		3138	# for this (global event?)
		3139	%ext::player_env::MUSIC_FACE_CACHE = ();
		3140
		3141	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3142
		3143	warn "loading facedata from $path\n";
		3144
		3145	my $facedata;
		3146	0 < aio_load $path, $facedata
		3147	or die "$path: $!";
		3148
		3149	$facedata = Coro::Storable::thaw $facedata;
		3150
		3151	$facedata->{version} == 2
		3152	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3153
		3154	# patch in the exptable
		3155	$facedata->{resource}{"res/exp_table"} = {
		3156	type => FT_RSRC,
		3157	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3158	};
		3159	cf::cede_to_tick;
		3160
		3161	{
		3162	my $faces = $facedata->{faceinfo};
		3163
		3164	while (my ($face, $info) = each %$faces) {
		3165	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3166
		3167	cf::face::set_visibility $idx, $info->{visibility};
		3168	cf::face::set_magicmap $idx, $info->{magicmap};
		3169	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3170	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3171
		3172	cf::cede_to_tick;
		3173	}
		3174
		3175	while (my ($face, $info) = each %$faces) {
		3176	next unless $info->{smooth};
		3177
		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"
2287	or die "unable to load regions file\n";#d#	3275	or die "unable to load regions file\n";
2288	}
2289		3276
2290	sub cfg_load {	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 {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3320	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3321	or return;
2293		3322
2294	local $/;	3323	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3324	*CFG = YAML::Load <$fh>;
2296		3325
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3326	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2298		3327
2299	$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};
2300	$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};
…		…
2306	};	3335	};
2307	warn $@ if $@;	3336	warn $@ if $@;
2308	}	3337	}
2309	}	3338	}
2310		3339
2311	sub init {
2312	load_resources;
2313	}
2314
2315	sub main {	3340	sub main {
2316	# we must not ever block the main coroutine	3341	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3342	local $Coro::idle = sub {
2318	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#
2319	(async {	3344	(async {
2320	Event::one_event;	3345	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3346	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3347	})->prio (Coro::PRIO_MAX);
2322	};	3348	};
2323		3349
2324	cfg_load;	3350	reload_config;
2325	db_load;	3351	db_init;
2326	load_extensions;	3352	load_extensions;
2327		3353
2328	$TICK_WATCHER->start;	3354	$TICK_WATCHER->start;
		3355	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2329	Event::loop;	3356	EV::loop;
2330	}	3357	}
2331		3358
2332	#############################################################################	3359	#############################################################################
2333	# initialisation and cleanup	3360	# initialisation and cleanup
2334		3361
2335	# install some emergency cleanup handlers	3362	# install some emergency cleanup handlers
2336	BEGIN {	3363	BEGIN {
		3364	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3365	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3366	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3367	cf::cleanup "SIG$signal";
2345	},
2346	);	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
2347	}	3407	1
2348	}	3408	}
2349		3409
2350	sub emergency_save() {	3410	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3411	my $freeze_guard = cf::freeze_mainloop;
2352		3412
…		…
2358	# and maps saved/destroyed asynchronously.	3418	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3419	warn "begin emergency player save\n";
2360	for my $login (keys %cf::PLAYER) {	3420	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3421	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3422	$pl->valid or next;
		3423	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3424	$pl->save;
2364	}	3425	}
2365	warn "end emergency player save\n";	3426	warn "end emergency player save\n";
2366		3427
2367	warn "begin emergency map save\n";	3428	warn "begin emergency map save\n";
…		…
2369	my $map = $cf::MAP{$path} or next;	3430	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3431	$map->valid or next;
2371	$map->save;	3432	$map->save;
2372	}	3433	}
2373	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";
2374	};	3439	};
2375		3440
2376	warn "leave emergency perl save\n";	3441	warn "leave emergency perl save\n";
2377	}	3442	}
2378		3443
		3444	sub post_cleanup {
		3445	my ($make_core) = @_;
		3446
		3447	warn Carp::longmess "post_cleanup backtrace"
		3448	if $make_core;
		3449	}
		3450
2379	sub reload() {	3451	sub do_reload_perl() {
2380	# can/must only be called in main	3452	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3453	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3454	warn "can only reload from main coroutine";
2383	return;	3455	return;
2384	}	3456	}
2385		3457
2386	warn "reloading...";	3458	warn "reloading...";
2387		3459
2388	warn "cancelling server ticker";	3460	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3461
		3462	cf::sync_job {
		3463	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	3464	cf::emergency_save;
		3465	cf::write_runtime; # external watchdog should not bark
2392		3466
2393	eval {	3467	warn "syncing database to disk";
		3468	BDB::db_env_txn_checkpoint $DB_ENV;
		3469
2394	# 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
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403		3471
2404	warn "flushing outstanding aio requests";	3472	warn "flushing outstanding aio requests";
2405	for (;;) {	3473	for (;;) {
		3474	BDB::flush;
2406	IO::AIO::flush;	3475	IO::AIO::flush;
2407	Coro::cede;	3476	Coro::cede_notself;
2408	last unless IO::AIO::nreqs;	3477	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3478	warn "iterate...";
2410	}	3479	}
		3480
		3481	++$RELOAD;
2411		3482
2412	warn "cancelling all extension coros";	3483	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3484	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3485	%EXT_CORO = ();
2415		3486
2416	warn "removing commands";	3487	warn "removing commands";
2417	%COMMAND = ();	3488	%COMMAND = ();
2418		3489
2419	warn "removing ext commands";	3490	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3491	%EXTCMD = ();
		3492	%EXTICMD = ();
2421		3493
2422	warn "unloading/nuking all extensions";	3494	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3495	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3496	warn "... unloading $pkg";
2425		3497
…		…
2455	Symbol::delete_package "safe::$_"	3527	Symbol::delete_package "safe::$_"
2456	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);
2457		3529
2458	warn "unloading cf.pm \"a bit\"";	3530	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3531	delete $INC{"cf.pm"};
		3532	delete $INC{"cf/pod.pm"};
2460		3533
2461	# don't, removes xs symbols, too,	3534	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3535	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3536	#Symbol::delete_package __PACKAGE__;
2464		3537
…		…
2467	warn "reloading cf.pm";	3540	warn "reloading cf.pm";
2468	require cf;	3541	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3542	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3543
2471	warn "loading config and database again";	3544	warn "loading config and database again";
2472	cf::cfg_load;	3545	cf::reload_config;
2473	cf::db_load;
2474		3546
2475	warn "loading extensions";	3547	warn "loading extensions";
2476	cf::load_extensions;	3548	cf::load_extensions;
2477		3549
2478	warn "reattaching attachments to objects/players";	3550	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3551	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3552	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3553	reattach $_ for values %MAP;
		3554	warn "reattaching attachments to players";
		3555	reattach $_ for values %PLAYER;
2482		3556
2483	warn "loading reloadable resources";	3557	warn "leaving sync_job";
2484	load_resources;
2485		3558
2486	warn "restarting server ticker";	3559	1
2487		3560	} or do {
2488	$TICK_WATCHER->start;	3561	warn $@;
		3562	cf::cleanup "error while reloading, exiting.";
2489	};	3563	};
2490
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496		3564
2497	warn "reloaded";	3565	warn "reloaded";
2498	};	3566	};
2499		3567
2500	our $RELOAD_WATCHER; # used only during reload	3568	our $RELOAD_WATCHER; # used only during reload
2501		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
2502	register_command "reload" => sub {	3580	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3581	my ($who, $arg) = @_;
2504		3582
2505	if ($who->flag (FLAG_WIZ)) {	3583	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3584	$who->message ("reloading server.");
2507		3585	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3586	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	3587	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3588	};
2520	}	3589	}
2521	};	3590	};
2522		3591
2523	unshift @INC, $LIBDIR;	3592	unshift @INC, $LIBDIR;
2524		3593
2525	my $bug_warning = 0;	3594	my $bug_warning = 0;
2526		3595
2527	$TICK_WATCHER = Event->timer (	3596	our @WAIT_FOR_TICK;
2528	reentrant => 0,	3597	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	3598
2530	prio => 0,	3599	sub wait_for_tick {
2531	at => $NEXT_TICK || $TICK,	3600	return unless $TICK_WATCHER->is_active;
2532	data => WF_AUTOCANCEL,	3601	return if $Coro::current == $Coro::main;
2533	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 {
2534	if ($Coro::current != $Coro::main) {	3618	if ($Coro::current != $Coro::main) {
2535	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"
2536	unless ++$bug_warning > 10;	3620	unless ++$bug_warning > 10;
2537	return;	3621	return;
2538	}	3622	}
2539		3623
2540	$NOW = Event::time;	3624	$NOW = $tick_start = EV::now;
2541		3625
2542	cf::server_tick; # one server iteration	3626	cf::server_tick; # one server iteration
		3627
2543	$RUNTIME += $TICK;	3628	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3629	$NEXT_TICK = $_[0]->at;
2545		3630
2546	$WAIT_FOR_TICK->broadcast;	3631	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3632	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2548		3633	Coro::async_pool {
2549	Event::sweep;	3634	$Coro::current->{desc} = "runtime saver";
2550	Coro::cede_notself;	3635	write_runtime
		3636	or warn "ERROR: unable to write runtime file: $!";
2551		3637	};
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	3638	}
2561	);	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);
2562		3653
2563	{	3654	{
2564	BDB::max_poll_time $TICK * 0.1;	3655	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	3656
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	3657	BDB::min_parallel 8;
2574		3658	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	3659	$Coro::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		3660
2590	unless ($DB_ENV) {	3661	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	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);
2592		3667
2593	cf::sync_job {	3668	cf::sync_job {
		3669	eval {
2594	BDB::db_env_open	3670	BDB::db_env_open
2595	$DB_ENV,	3671	$DB_ENV,
2596	$BDB_ENV_DIR,	3672	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3673	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3674	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3675	0666;
2600		3676
2601	cf::cleanup "$!" if $!;	3677	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3678	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3679
2604	$DB_ENV->set_lk_detect;	3680	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3681	};
2606	}	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	};
2607	}	3693	}
2608		3694
2609	{	3695	{
		3696	# configure IO::AIO
		3697
2610	IO::AIO::min_parallel 8;	3698	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3699	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3700	$Coro::AIO::WATCHER->priority (1);
2615	reentrant => 0,
2616	fd => IO::AIO::poll_fileno,
2617	poll => 'r',
2618	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,
2621	);
2622	}	3701	}
2623		3702
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3703	my $_log_backtrace;
2625	reentrant => 0,	3704
2626	data => WF_AUTOCANCEL,	3705	sub _log_backtrace {
2627	after => 1,	3706	my ($msg, @addr) = @_;
2628	interval => 10,	3707
2629	prio => 6, # keep it lowest so it acts like a watchdog	3708	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3709
2631	write_runtime	3710	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	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";
2633	},	3740	}
2634	);	3741	}
		3742
		3743	# load additional modules
		3744	use cf::pod;
2635		3745
2636	END { cf::emergency_save }	3746	END { cf::emergency_save }
2637		3747
2638	1	3748	1
2639		3749

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines