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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.225 by root, Wed Mar 14 00:04:58 2007 UTC vs.
Revision 1.410 by root, Tue Jan 15 12:02:24 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 Event;	9	use EV 1.86;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.52 ();	15	use Coro 4.32 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::EV;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
21		26
		27	use JSON::XS 2.01 ();
22	use BDB ();	28	use BDB ();
23	use Data::Dumper;	29	use Data::Dumper;
24	use Digest::MD5;	30	use Digest::MD5;
25	use Fcntl;	31	use Fcntl;
		32	use YAML ();
26	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
27	use YAML::Syck ();
28	use Time::HiRes;	34	use Time::HiRes;
29	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
30		37
		38	# configure various modules to our taste
		39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
33	$Event::Eval = 1; # no idea why this is required, but it is	43
		44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
34		45
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38	$YAML::Syck::ImplicitUnicode = 1;
39
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		47
42	our %COMMAND = ();	48	our %COMMAND = ();
43	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
44		50
45	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
49		56
50	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
51	our @EVENT;	58	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		59
54	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(!)
55	our $TICK_WATCHER;	74	our $TICK_WATCHER;
56	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	77	our $NEXT_TICK;
59	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
61		79
62	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	84	our $DB_ENV;
64		85
65	our %CFG;	86	our %CFG;
66		87
67	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
69		91
70	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		95
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $tick_start; # for load detecting purposes
		102
82	binmode STDOUT;	103	binmode STDOUT;
83	binmode STDERR;	104	binmode STDERR;
84		105
85	# read virtual server time, if available	106	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
88	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
89	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
90	}	111	}
91		112
92	mkdir cf::localdir;	113	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		115
99	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
100		117
101	sub cf::map::normalise;	118	sub cf::map::normalise;
102		119
…		…
113	=item $cf::RUNTIME	130	=item $cf::RUNTIME
114		131
115	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
116	every server tick.	133	every server tick.
117		134
118	=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
119		138
120	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		143
123	=item $cf::NOW	144	=item $cf::NOW
124		145
125	The time of the last (current) server tick.	146	The time of the last (current) server tick.
126		147
127	=item $cf::TICK	148	=item $cf::TICK
128		149
129	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
130		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
131	=item %cf::CFG	162	=item %cf::CFG
132		163
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	165	from wherever your confdir points to.
135		166
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		168
138	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
139	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
140	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.
141	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.
142		178
143	=back	179	=back
144		180
145	=cut	181	=cut
146		182
147	BEGIN {	183	BEGIN {
148	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	185	my $msg = join "", @_;
150	utf8::encode $msg;
151		186
152	$msg .= "\n"	187	$msg .= "\n"
153	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
154		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
155	LOG llevError, $msg;	192	LOG llevError, $msg;
156	};	193	};
157	}	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#?
158		210
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		218
166	# 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
167	# within the Safe compartment.	220	# within the Safe compartment.
168	for my $pkg (qw(	221	for my $pkg (qw(
169	cf::global cf::attachable	222	cf::global cf::attachable
…		…
174	)) {	227	)) {
175	no strict 'refs';	228	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	230	}
178		231
179	$Event::DIED = sub {	232	$EV::DIED = sub {
180	warn "error in event callback: @_";	233	warn "error in event callback: @_";
181	};	234	};
		235
		236	#############################################################################
182		237
183	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
184		239
185	=over 4	240	=over 4
186		241
…		…
205	$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;
206	$d	261	$d
207	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
208	}	263	}
209		264
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
213		266
214	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
215		268
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
224		270
225	Converts a perl data structure into its JSON representation.	271	Converts a perl data structure into its JSON representation.
226		272
227	=cut	273	=cut
228		274
229	sub to_json($) {	275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	276
231	JSON::Syck::Dump $_[0]	277	sub encode_json($) { $json_coder->encode ($_[0]) }
232	}	278	sub decode_json($) { $json_coder->decode ($_[0]) }
233		279
234	=item cf::lock_wait $string	280	=item cf::lock_wait $string
235		281
236	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
237		283
…		…
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	288	for example when the coroutine gets canceled), the lock is automatically
243	returned.	289	returned.
244		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
245	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
246	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
247		296
		297	=item $locked = cf::lock_active $string
		298
		299	Return true if the lock is currently active, i.e. somebody has locked it.
		300
248	=cut	301	=cut
249		302
250	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
251		305
252	sub lock_wait($) {	306	sub lock_wait($) {
253	my ($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#
254		313
255	# wait for lock, if any	314	# wait for lock, if any
256	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;	317	Coro::schedule;
…		…
264		323
265	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
266	lock_wait $key;	325	lock_wait $key;
267		326
268	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
269		329
270	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
271	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
273	}	334	}
		335	}
		336
		337	sub lock_active($) {
		338	my ($key) = @_;
		339
		340	! ! $LOCK{$key}
274	}	341	}
275		342
276	sub freeze_mainloop {	343	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	344	return unless $TICK_WATCHER->is_active;
278		345
…		…
281	};	348	};
282	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
283	$guard	350	$guard
284	}	351	}
285		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	$sig->wait;
		424	}
		425
286	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
287		427
288	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
289	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	429	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
290	thing you are allowed to do is call C<prio> on it.	430	thing you are allowed to do is call C<prio> on it.
…		…
293		433
294	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
295		435
296	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
297		437
298	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
301		442
302	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
305	fast or be very important.	446	fast or be very important.
…		…
308		449
309	sub sync_job(&) {	450	sub sync_job(&) {
310	my ($job) = @_;	451	my ($job) = @_;
311		452
312	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
		454	my $time = EV::time;
		455
313	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
315		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
316	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
317	# (but this is cancel-safe)	462	# (but this is cancel-safe)
318	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
319		464
320	my $busy = 1;	465	my $busy = 1;
321	my @res;	466	my @res;
322		467
323	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	470	@res = eval { $job->() };
325	warn $@ if $@;	471	warn $@ if $@;
326	undef $busy;	472	undef $busy;
327	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
328		474
329	while ($busy) {	475	while ($busy) {
330	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
331	}	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
332		489
333	wantarray ? @res : $res[0]	490	wantarray ? @res : $res[0]
334	} else {	491	} else {
335	# we are in another coroutine, how wonderful, everything just works	492	# we are in another coroutine, how wonderful, everything just works
336		493
…		…
356	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
357		514
358	$coro	515	$coro
359	}	516	}
360		517
361	sub write_runtime {	518	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		519
364	my $runtime = cf::localdir . "/runtime";	520	Executes the given code block with the given arguments in a seperate
		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.
365		524
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	525	=cut
367	or return;
368		526
369	my $value = $cf::RUNTIME + 90 + 10;	527	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	528	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		529
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	530	# we seemingly have to make a local copy of the whole thing,
374	and return;	531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
375		533
376	# always fsync - this file is important	534	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	535	reset_signals;
378	and return;	536	&$cb
		537	}, @args;
379		538
380	close $fh	539	wantarray ? @res : $res[-1]
381	or return;	540	}
382		541
383	aio_rename "$runtime~", $runtime	542	=item $value = cf::db_get $family => $key
384	and return;
385		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($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
386	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		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 });
387	}	678	}
388		679
389	=back	680	=back
390		681
391	=cut	682	=cut
…		…
398	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")
399	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
400		691
401	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>
402	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
403	crossfire+).	694	Deliantra).
404		695
405	=over 4	696	=over 4
406		697
407	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
408		699
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	862	$registry = $CB_TYPE[$object_type] ||= [];
572		863
573	} elsif ($type eq "subtype") {	864	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	865	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	866	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	867	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		868
578	} elsif ($type eq "package") {	869	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	870	my $pkg = shift @arg;
580		871
581	while (my ($name, $id) = each %cb_id) {	872	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
611	}	902	}
612		903
613	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
614	} else {	905	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	907	}
617		908
618	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
619	}	910	}
620		911
…		…
622	if (ref $_[0]) {	913	if (ref $_[0]) {
623	_object_attach @_;	914	_object_attach @_;
624	} else {	915	} else {
625	_attach shift->_attach_registry, @_;	916	_attach shift->_attach_registry, @_;
626	}	917	}
		918	_recalc_want;
627	};	919	};
628		920
629	# all those should be optimised	921	# all those should be optimised
630	sub cf::attachable::detach {	922	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	926	delete $obj->{_attachment}{$name};
635	reattach ($obj);	927	reattach ($obj);
636	} else {	928	} else {
637	Carp::croak "cannot, currently, detach class attachments";	929	Carp::croak "cannot, currently, detach class attachments";
638	}	930	}
		931	_recalc_want;
639	};	932	};
640		933
641	sub cf::attachable::attached {	934	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
643		936
…		…
658	";	951	";
659	die if $@;	952	die if $@;
660	}	953	}
661		954
662	our $override;	955	our $override;
663	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?
664		957
665	sub override {	958	sub override {
666	$override = 1;	959	$override = 1;
667	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
668	}	961	}
669		962
670	sub do_invoke {	963	sub do_invoke {
671	my $event = shift;	964	my $event = shift;
672	my $callbacks = shift;	965	my $callbacks = shift;
673		966
674	@invoke_results = ();	967	@INVOKE_RESULTS = ();
675		968
676	local $override;	969	local $override;
677		970
678	for (@$callbacks) {	971	for (@$callbacks) {
679	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
688	}	981	}
689		982
690	0	983	0
691	}	984	}
692		985
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		987
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		989
697	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
698		991
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		995
703	=back	996	=back
704		997
705	=cut	998	=cut
706		999
707	#############################################################################	1000	#############################################################################
708	# 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, $ob2
		1043	}
709		1044
710	sub reattach {	1045	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1047	my ($obj) = @_;
713		1048
…		…
734	cf::attachable->attach (	1069	cf::attachable->attach (
735	prio => -1000000,	1070	prio => -1000000,
736	on_instantiate => sub {	1071	on_instantiate => sub {
737	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
738		1073
739	$data = from_json $data;	1074	$data = decode_json $data;
740		1075
741	for (@$data) {	1076	for (@$data) {
742	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
743		1078
744	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1095	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
762		1097
763	sync_job {	1098	sync_job {
764	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
767		1103
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1107	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1108	close $fh;
773		1109
774	if (@$objs) {	1110	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1115	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1116	close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
782	}	1118	}
…		…
790	}	1126	}
791	} else {	1127	} else {
792	aio_unlink $filename;	1128	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
794	}	1130	}
795	}	1131	};
796	}	1132	}
797		1133
798	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
800		1136
…		…
812	or return;	1148	or return;
813		1149
814	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
816	or return;	1152	or return;
		1153
817	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
818	}	1156	}
819		1157
		1158	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
822	return ($data, $av);	1162	($data, $av)
823	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
824		1170
825	#############################################################################	1171	#############################################################################
826	# command handling &c	1172	# command handling &c
827		1173
828	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1188	}
843		1189
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1191
846	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.
847		1197
848	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
849	called.	1199	called.
850		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
851	=cut	1212	=cut
852		1213
853	sub register_extcmd {	1214	sub register_extcmd {
854	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
855		1216
856	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
857	}	1224	}
858		1225
859	cf::player->attach (	1226	cf::player->attach (
860	on_command => sub {	1227	on_command => sub {
861	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1237	cf::override;
871	},	1238	},
872	on_extcmd => sub {	1239	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
874		1241
875	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1243
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
883	} else {	1259	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1261	}
886		1262
887	cf::override;	1263	cf::override;
888	},	1264	},
889	);	1265	);
890		1266
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
926	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1272	next unless -r $path;
928	eval {	1273
929	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	warn "mandatory extension failed to load, exiting.\n";
		1322	exit 1;
		1323	}
		1324
		1325	warn $msg;
		1326	}
		1327
		1328	$done{$k} = delete $todo{$k};
		1329	push @EXTS, $v->{pkg};
		1330	$progress = 1;
930	1	1331	}
931	} or warn "$ext not loaded: $@";	1332
		1333	skip:
		1334	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1335	unless $progress;
		1336	}
932	}	1337	};
933	}	1338	}
934		1339
935	#############################################################################	1340	#############################################################################
936		1341
		1342	=back
		1343
937	=head2 CORE EXTENSIONS	1344	=head2 CORE EXTENSIONS
938		1345
939	Functions and methods that extend core crossfire objects.	1346	Functions and methods that extend core crossfire objects.
940		1347
941	=cut	1348	=cut
…		…
946		1353
947	=head3 cf::player	1354	=head3 cf::player
948		1355
949	=over 4	1356	=over 4
950		1357
		1358	=item cf::player::num_playing
		1359
		1360	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1361
		1362	=cut
		1363
		1364	sub num_playing {
		1365	scalar grep
		1366	$_->ob->map
		1367	&& !$_->hidden
		1368	&& !$_->ob->flag (cf::FLAG_WIZ),
		1369	cf::player::list
		1370	}
		1371
951	=item cf::player::find $login	1372	=item cf::player::find $login
952		1373
953	Returns the given player object, loading it if necessary (might block).	1374	Returns the given player object, loading it if necessary (might block).
954		1375
955	=cut	1376	=cut
956		1377
957	sub playerdir($) {	1378	sub playerdir($) {
958	cf::localdir	1379	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1380	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1381	}
964		1382
965	sub path($) {	1383	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1384	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1385
968	(playerdir $login) . "/$login.pl"	1386	(playerdir $login) . "/playerdata"
969	}	1387	}
970		1388
971	sub find_active($) {	1389	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1390	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1391	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1404	my $login = $_[0];
987		1405
988	my $guard = cf::lock_acquire "user_find:$login";	1406	my $guard = cf::lock_acquire "user_find:$login";
989		1407
990	$cf::PLAYER{$_[0]} || do {	1408	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1409	# rename old playerfiles to new ones
		1410	#TODO: remove when no longer required
		1411	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1412	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1413	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1414	aio_unlink +(playerdir $login) . "/$login.pl";
		1415
		1416	my $f = new_from_file cf::object::thawer path $login
992	or return;	1417	or return;
		1418
		1419	my $pl = cf::player::load_pl $f
		1420	or return;
		1421	local $cf::PLAYER_LOADING{$login} = $pl;
		1422	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1423	$cf::PLAYER{$login} = $pl
994	}	1424	}
995	}	1425	}
996	}	1426	}
997		1427
…		…
1007		1437
1008	aio_mkdir playerdir $pl, 0770;	1438	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1439	$pl->{last_save} = $cf::RUNTIME;
1010		1440
1011	$pl->save_pl ($path);	1441	$pl->save_pl ($path);
1012	Coro::cede;	1442	cf::cede_to_tick;
1013	}	1443	}
1014		1444
1015	sub new($) {	1445	sub new($) {
1016	my ($login) = @_;	1446	my ($login) = @_;
1017		1447
…		…
1021	$self->{deny_save} = 1;	1451	$self->{deny_save} = 1;
1022		1452
1023	$cf::PLAYER{$login} = $self;	1453	$cf::PLAYER{$login} = $self;
1024		1454
1025	$self	1455	$self
		1456	}
		1457
		1458	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1459
		1460	=cut
		1461
		1462	sub send_msg {
		1463	my $ns = shift->ns
		1464	or return;
		1465	$ns->send_msg (@_);
1026	}	1466	}
1027		1467
1028	=item $pl->quit_character	1468	=item $pl->quit_character
1029		1469
1030	Nukes the player without looking back. If logged in, the connection will	1470	Nukes the player without looking back. If logged in, the connection will
…		…
1079	while and may block, so not sync_job-capable, ever.	1519	while and may block, so not sync_job-capable, ever.
1080		1520
1081	=cut	1521	=cut
1082		1522
1083	sub list_logins {	1523	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1524	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1525	or return [];
1086		1526
1087	my @logins;	1527	my @logins;
1088		1528
1089	for my $login (@$dirs) {	1529	for my $login (@$dirs) {
		1530	my $path = path $login;
		1531
		1532	# a .pst is a dead give-away for a valid player
		1533	unless (-e "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1534	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1535	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1536	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1537	}
1093		1538
1094	utf8::decode $login;	1539	utf8::decode $login;
1095	push @logins, $login;	1540	push @logins, $login;
1096	}	1541	}
1097		1542
…		…
1124	}	1569	}
1125		1570
1126	\@paths	1571	\@paths
1127	}	1572	}
1128		1573
		1574	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1575
		1576	Expand crossfire pod fragments into protocol xml.
		1577
		1578	=cut
		1579
		1580	use re 'eval';
		1581
		1582	my $group;
		1583	my $interior; $interior = qr{
		1584	# match a pod interior sequence sans C<< >>
		1585	(?:
		1586	\ (.*?)\ (?{ $group = $^N })
		1587	| < (??{$interior}) >
		1588	)
		1589	}x;
		1590
		1591	sub expand_cfpod {
		1592	my ($self, $pod) = @_;
		1593
		1594	my $xml;
		1595
		1596	while () {
		1597	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1598	$group = $1;
		1599
		1600	$group =~ s/&/&amp;/g;
		1601	$group =~ s/</&lt;/g;
		1602
		1603	$xml .= $group;
		1604	} elsif ($pod =~ m%\G
		1605	([BCGHITU])
		1606	<
		1607	(?:
		1608	([^<>]*) (?{ $group = $^N })
		1609	| < $interior >
		1610	)
		1611	>
		1612	%gcsx
		1613	) {
		1614	my ($code, $data) = ($1, $group);
		1615
		1616	if ($code eq "B") {
		1617	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1618	} elsif ($code eq "I") {
		1619	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1620	} elsif ($code eq "U") {
		1621	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1622	} elsif ($code eq "C") {
		1623	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1624	} elsif ($code eq "T") {
		1625	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1626	} elsif ($code eq "G") {
		1627	my ($male, $female) = split /\|/, $data;
		1628	$data = $self->gender ? $female : $male;
		1629	$xml .= expand_cfpod ($self, $data);
		1630	} elsif ($code eq "H") {
		1631	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1632	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1633	"")
		1634	[$self->{hintmode}];
		1635	} else {
		1636	$xml .= "error processing '$code($data)' directive";
		1637	}
		1638	} else {
		1639	if ($pod =~ /\G(.+)/) {
		1640	warn "parse error while expanding $pod (at $1)";
		1641	}
		1642	last;
		1643	}
		1644	}
		1645
		1646	for ($xml) {
		1647	# create single paragraphs (very hackish)
		1648	s/(?<=\S)\n(?=\w)/ /g;
		1649
		1650	# compress some whitespace
		1651	s/\s+\n/\n/g; # ws line-ends
		1652	s/\n\n+/\n/g; # double lines
		1653	s/^\n+//; # beginning lines
		1654	s/\n+$//; # ending lines
		1655	}
		1656
		1657	$xml
		1658	}
		1659
		1660	no re 'eval';
		1661
		1662	sub hintmode {
		1663	$_[0]{hintmode} = $_[1] if @_ > 1;
		1664	$_[0]{hintmode}
		1665	}
		1666
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1667	=item $player->ext_reply ($msgid, @msg)
1130		1668
1131	Sends an ext reply to the player.	1669	Sends an ext reply to the player.
1132		1670
1133	=cut	1671	=cut
1134		1672
1135	sub ext_reply($$$%) {	1673	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1674	my ($self, $id, @msg) = @_;
1137		1675
1138	$msg{msgid} = $id;	1676	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1677	}
1142		1678
1143	package cf;	1679	=item $player->ext_msg ($type, @msg)
		1680
		1681	Sends an ext event to the client.
		1682
		1683	=cut
		1684
		1685	sub ext_msg($$@) {
		1686	my ($self, $type, @msg) = @_;
		1687
		1688	$self->ns->ext_msg ($type, @msg);
		1689	}
		1690
		1691	=head3 cf::region
		1692
		1693	=over 4
		1694
		1695	=cut
		1696
		1697	package cf::region;
		1698
		1699	=item cf::region::find_by_path $path
		1700
		1701	Tries to decuce the likely region for a map knowing only its path.
		1702
		1703	=cut
		1704
		1705	sub find_by_path($) {
		1706	my ($path) = @_;
		1707
		1708	my ($match, $specificity);
		1709
		1710	for my $region (list) {
		1711	if ($region->{match} && $path =~ $region->{match}) {
		1712	($match, $specificity) = ($region, $region->specificity)
		1713	if $region->specificity > $specificity;
		1714	}
		1715	}
		1716
		1717	$match
		1718	}
1144		1719
1145	=back	1720	=back
1146
1147		1721
1148	=head3 cf::map	1722	=head3 cf::map
1149		1723
1150	=over 4	1724	=over 4
1151		1725
…		…
1206	my ($self, $merge) = @_;	1780	my ($self, $merge) = @_;
1207		1781
1208	# we have to keep some variables in memory intact	1782	# we have to keep some variables in memory intact
1209	local $self->{path};	1783	local $self->{path};
1210	local $self->{load_path};	1784	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1785
1214	$self->SUPER::thawer_merge ($merge);	1786	$self->SUPER::thawer_merge ($merge);
1215	}	1787	}
1216		1788
1217	sub normalise {	1789	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1836	$self->init; # pass $1 etc.
1265	return $self;	1837	return $self;
1266	}	1838	}
1267	}	1839	}
1268		1840
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1841	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1842	()
1271	}	1843	}
1272		1844
1273	sub init {	1845	sub init {
1274	my ($self) = @_;	1846	my ($self) = @_;
…		…
1289		1861
1290	# the original (read-only) location	1862	# the original (read-only) location
1291	sub load_path {	1863	sub load_path {
1292	my ($self) = @_;	1864	my ($self) = @_;
1293		1865
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1866	"$MAPDIR/$self->{path}.map"
1295	}	1867	}
1296		1868
1297	# the temporary/swap location	1869	# the temporary/swap location
1298	sub save_path {	1870	sub save_path {
1299	my ($self) = @_;	1871	my ($self) = @_;
1300		1872
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1874	"$TMPDIR/$path.map"
1303	}	1875	}
1304		1876
1305	# the unique path, undef == no special unique path	1877	# the unique path, undef == no special unique path
1306	sub uniq_path {	1878	sub uniq_path {
1307	my ($self) = @_;	1879	my ($self) = @_;
1308		1880
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1882	"$UNIQUEDIR/$path"
1311	}	1883	}
1312		1884
1313	# and all this just because we cannot iterate over	1885	# and all this just because we cannot iterate over
1314	# all maps in C++...	1886	# all maps in C++...
1315	sub change_all_map_light {	1887	sub change_all_map_light {
…		…
1317		1889
1318	$_->change_map_light ($change)	1890	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1891	for grep $_->outdoor, values %cf::MAP;
1320	}	1892	}
1321		1893
		1894	sub decay_objects {
		1895	my ($self) = @_;
		1896
		1897	return if $self->{deny_reset};
		1898
		1899	$self->do_decay_objects;
		1900	}
		1901
1322	sub unlink_save {	1902	sub unlink_save {
1323	my ($self) = @_;	1903	my ($self) = @_;
1324		1904
1325	utf8::encode (my $save = $self->save_path);	1905	utf8::encode (my $save = $self->save_path);
1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1906	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1329		1909
1330	sub load_header_from($) {	1910	sub load_header_from($) {
1331	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1332		1912
1333	utf8::encode $path;	1913	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	1915	or return;
		1916
		1917	$self->_load_header ($f)
		1918	or return;
		1919
		1920	local $MAP_LOADING{$self->{path}} = $self;
		1921	$f->resolve_delayed_derefs;
1339		1922
1340	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1341		1924
1342	1	1925	1
1343	}	1926	}
…		…
1382	$self->load_header_orig	1965	$self->load_header_orig
1383	or return;	1966	or return;
1384	$self->prepare_orig;	1967	$self->prepare_orig;
1385	}	1968	}
1386		1969
		1970	$self->{deny_reset} = 1
		1971	if $self->no_reset;
		1972
		1973	$self->default_region (cf::region::find_by_path $self->{path})
		1974	unless $self->default_region;
		1975
1387	1	1976	1
1388	}	1977	}
1389		1978
1390	sub find;	1979	sub find;
1391	sub find {	1980	sub find {
1392	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1393		1982
1394	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1395		1984
		1985	cf::lock_wait "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	1986	cf::lock_wait "map_find:$path";
1397		1987
1398	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";	1989	my $guard1 = cf::lock_acquire "map_find:$path";
		1990	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1991
1400	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
1401	or return;	1993	or return;
1402		1994
1403	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1404		1996
1405	$map->load_header	1997	$map->load_header
1406	or return;	1998	or return;
1407		1999
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2001	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard1;
		2004	undef $guard2;
1411	$map->reset;	2005	$map->reset;
1412	undef $guard;
1413	return find $path;	2006	return find $path;
1414	}	2007	}
1415		2008
1416	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
1417	}	2010	}
…		…
1424	my ($self) = @_;	2017	my ($self) = @_;
1425		2018
1426	local $self->{deny_reset} = 1; # loading can take a long time	2019	local $self->{deny_reset} = 1; # loading can take a long time
1427		2020
1428	my $path = $self->{path};	2021	my $path = $self->{path};
		2022
		2023	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2024	my $guard = cf::lock_acquire "map_data:$path";
1430		2025
		2026	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2027	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2028
1433	$self->in_memory (cf::MAP_LOADING);	2029	$self->in_memory (cf::MAP_LOADING);
1434		2030
1435	$self->alloc;	2031	$self->alloc;
1436		2032
1437	$self->pre_load;	2033	$self->pre_load;
		2034	cf::cede_to_tick;
1438		2035
1439	$self->_load_objects ($self->{load_path}, 1)	2036	my $f = new_from_file cf::object::thawer $self->{load_path};
		2037	$f->skip_block;
		2038	$self->_load_objects ($f)
1440	or return;	2039	or return;
1441		2040
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};	2042	if delete $self->{load_original};
1444		2043
1445	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2045	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2046	unless (aio_stat $uniq) {
		2047	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2048	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2049	$self->_load_objects ($f);
		2050	$f->resolve_delayed_derefs;
		2051	}
1450	}	2052	}
1451	}	2053	}
1452		2054
1453	Coro::cede;	2055	$f->resolve_delayed_derefs;
1454		2056
		2057	cf::cede_to_tick;
1455	# now do the right thing for maps	2058	# now do the right thing for maps
1456	$self->link_multipart_objects;	2059	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2060	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2061	unless $self->difficulty;
1466	Coro::cede;	2062	cf::cede_to_tick;
		2063
		2064	unless ($self->{deny_activate}) {
		2065	$self->decay_objects;
		2066	$self->fix_auto_apply;
		2067	$self->update_buttons;
		2068	cf::cede_to_tick;
		2069	$self->set_darkness_map;
		2070	cf::cede_to_tick;
1467	$self->activate;	2071	$self->activate;
		2072	}
		2073
		2074	$self->{last_save} = $cf::RUNTIME;
		2075	$self->last_access ($cf::RUNTIME);
		2076
		2077	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	2078	}
1469		2079
1470	$self->post_load;	2080	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2081	}
1474		2082
1475	sub customise_for {	2083	sub customise_for {
1476	my ($self, $ob) = @_;	2084	my ($self, $ob) = @_;
1477		2085
1478	return find "~" . $ob->name . "/" . $self->{path}	2086	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2087	if $self->per_player;
1480		2088
		2089	# return find "?party/" . $ob->name . "/" . $self->{path}
		2090	# if $self->per_party;
		2091
1481	$self	2092	$self
1482	}	2093	}
1483		2094
1484	# find and load all maps in the 3x3 area around a map	2095	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2096	sub load_neighbours {
1486	my ($map) = @_;	2097	my ($map) = @_;
1487		2098
1488	my @diag; # diagonal neighbours	2099	my @neigh; # diagonal neighbours
1489		2100
1490	for (0 .. 3) {	2101	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2102	my $neigh = $map->tile_path ($_)
1492	or next;	2103	or next;
1493	$neigh = find $neigh, $map	2104	$neigh = find $neigh, $map
1494	or next;	2105	or next;
1495	$neigh->load;	2106	$neigh->load;
1496		2107
		2108	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2111	}
1500		2112
1501	for (@diag) {	2113	for (grep defined $_->[0], @neigh) {
		2114	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2115	my $neigh = find $path, $origin
1503	or next;	2116	or next;
1504	$neigh->load;	2117	$neigh->load;
1505	}	2118	}
1506	}	2119	}
1507		2120
…		…
1512	}	2125	}
1513		2126
1514	sub do_load_sync {	2127	sub do_load_sync {
1515	my ($map) = @_;	2128	my ($map) = @_;
1516		2129
		2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2131	if $Coro::current == $Coro::main;
		2132
1517	cf::sync_job { $map->load };	2133	cf::sync_job { $map->load };
1518	}	2134	}
1519		2135
1520	our %MAP_PREFETCH;	2136	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2137	our $MAP_PREFETCHER = undef;
1522		2138
1523	sub find_async {	2139	sub find_async {
1524	my ($path, $origin) = @_;	2140	my ($path, $origin, $load) = @_;
1525		2141
1526	$path = normalise $path, $origin && $origin->{path};	2142	$path = normalise $path, $origin && $origin->{path};
1527		2143
1528	if (my $map = $cf::MAP{$path}) {	2144	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2145	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1530	}	2146	}
1531		2147
1532	undef $MAP_PREFETCH{$path};	2148	$MAP_PREFETCH{$path} |= $load;
		2149
1533	$MAP_PREFETCHER ||= cf::async {	2150	$MAP_PREFETCHER ||= cf::async {
		2151	$Coro::current->{desc} = "map prefetcher";
		2152
1534	while (%MAP_PREFETCH) {	2153	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2154	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2155	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2156	$map->load if $v;
		2157	}
1539		2158
1540	delete $MAP_PREFETCH{$path};	2159	delete $MAP_PREFETCH{$k};
1541	}	2160	}
1542	}	2161	}
1543	undef $MAP_PREFETCHER;	2162	undef $MAP_PREFETCHER;
1544	};	2163	};
1545	$MAP_PREFETCHER->prio (6);	2164	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2167	}
1549		2168
1550	sub save {	2169	sub save {
1551	my ($self) = @_;	2170	my ($self) = @_;
1552		2171
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2173
1555	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1556		2175
1557	return unless $self->dirty;	2176	return unless $self->dirty;
1558		2177
…		…
1564	return if $self->{deny_save};	2183	return if $self->{deny_save};
1565		2184
1566	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
1567		2186
1568	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
1570	};	2190	};
1571		2191
1572	if ($uniq) {	2192	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1581	my ($self) = @_;	2201	my ($self) = @_;
1582		2202
1583	# save first because save cedes	2203	# save first because save cedes
1584	$self->save;	2204	$self->save;
1585		2205
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2207
1588	return if $self->players;	2208	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};	2210	return if $self->{deny_save};
1591		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	$self->deactivate;
		2215	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2216	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2217	}
1595		2218
1596	sub reset_at {	2219	sub reset_at {
1597	my ($self) = @_;	2220	my ($self) = @_;
1598		2221
1599	# TODO: safety, remove and allow resettable per-player maps	2222	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2223	return 1e99 if $self->{deny_reset};
1602		2224
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2225	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2226	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2227
…		…
1616	my ($self) = @_;	2238	my ($self) = @_;
1617		2239
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2241
1620	return if $self->players;	2242	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2243
1623	warn "resetting map ", $self->path;#d#	2244	warn "resetting map ", $self->path;
1624		2245
1625	$self->in_memory (cf::MAP_SWAPPED);	2246	$self->in_memory (cf::MAP_SWAPPED);
1626		2247
1627	# need to save uniques path	2248	# need to save uniques path
1628	unless ($self->{deny_save}) {	2249	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2253	if $uniq;
1633	}	2254	}
1634		2255
1635	delete $cf::MAP{$self->path};	2256	delete $cf::MAP{$self->path};
1636		2257
		2258	$self->deactivate;
		2259	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2260	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2261
1641	$self->unlink_save;	2262	$self->unlink_save;
1642	$self->destroy;	2263	$self->destroy;
1643	}	2264	}
1644		2265
1645	my $nuke_counter = "aaaa";	2266	my $nuke_counter = "aaaa";
1646		2267
1647	sub nuke {	2268	sub nuke {
1648	my ($self) = @_;	2269	my ($self) = @_;
1649		2270
		2271	{
		2272	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2273
1650	delete $cf::MAP{$self->path};	2274	delete $cf::MAP{$self->path};
1651		2275
1652	$self->unlink_save;	2276	$self->unlink_save;
1653		2277
1654	bless $self, "cf::map";	2278	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2279	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2280	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2281	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2283
1660	$cf::MAP{$self->path} = $self;	2284	$cf::MAP{$self->path} = $self;
		2285	}
1661		2286
1662	$self->reset; # polite request, might not happen	2287	$self->reset; # polite request, might not happen
		2288	}
		2289
		2290	=item $maps = cf::map::tmp_maps
		2291
		2292	Returns an arrayref with all map paths of currently instantiated and saved
		2293	maps. May block.
		2294
		2295	=cut
		2296
		2297	sub tmp_maps() {
		2298	[
		2299	map {
		2300	utf8::decode $_;
		2301	/\.map$/
		2302	? normalise $_
		2303	: ()
		2304	} @{ aio_readdir $TMPDIR or [] }
		2305	]
		2306	}
		2307
		2308	=item $maps = cf::map::random_maps
		2309
		2310	Returns an arrayref with all map paths of currently instantiated and saved
		2311	random maps. May block.
		2312
		2313	=cut
		2314
		2315	sub random_maps() {
		2316	[
		2317	map {
		2318	utf8::decode $_;
		2319	/\.map$/
		2320	? normalise "?random/$_"
		2321	: ()
		2322	} @{ aio_readdir $RANDOMDIR or [] }
		2323	]
1663	}	2324	}
1664		2325
1665	=item cf::map::unique_maps	2326	=item cf::map::unique_maps
1666		2327
1667	Returns an arrayref of paths of all shared maps that have	2328	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2329	instantiated unique items. May block.
1669		2330
1670	=cut	2331	=cut
1671		2332
1672	sub unique_maps() {	2333	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2334	[
1674	or return;	2335	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2336	utf8::decode $_;
1680	next if /\.pst$/;	2337	/\.map$/
1681	next unless /^$PATH_SEP/o;	2338	? normalise $_
1682		2339	: ()
1683	push @paths, cf::map::normalise $_;	2340	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2341	]
1685
1686	\@paths
1687	}	2342	}
1688		2343
1689	package cf;	2344	package cf;
1690		2345
1691	=back	2346	=back
…		…
1709	map { $_, inv_recursive_ $_->inv } @_	2364	map { $_, inv_recursive_ $_->inv } @_
1710	}	2365	}
1711		2366
1712	sub inv_recursive {	2367	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2368	inv_recursive_ inv $_[0]
		2369	}
		2370
		2371	=item $ref = $ob->ref
		2372
		2373	creates and returns a persistent reference to an objetc that can be stored as a string.
		2374
		2375	=item $ob = cf::object::deref ($refstring)
		2376
		2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2378	even if the object actually exists. May block.
		2379
		2380	=cut
		2381
		2382	sub deref {
		2383	my ($ref) = @_;
		2384
		2385	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2386	my ($uuid, $name) = ($1, $2);
		2387	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2388	or return;
		2389	$pl->ob->uuid eq $uuid
		2390	or return;
		2391
		2392	$pl->ob
		2393	} else {
		2394	warn "$ref: cannot resolve object reference\n";
		2395	undef
		2396	}
1714	}	2397	}
1715		2398
1716	package cf;	2399	package cf;
1717		2400
1718	=back	2401	=back
…		…
1737		2420
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2421	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2422
1740	if ($self->{record_replies}) {	2423	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2424	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2425
1742	} else {	2426	} else {
		2427	my $pl = $self->contr;
		2428
		2429	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2430	my $dialog = $pl->{npc_dialog};
		2431	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2432
		2433	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2434	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2435	$self->message ($msg, $flags);
		2436	}
1745	}	2437	}
		2438	}
		2439
		2440	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2441
		2442	=cut
		2443
		2444	sub cf::object::send_msg {
		2445	my $pl = shift->contr
		2446	or return;
		2447	$pl->send_msg (@_);
1746	}	2448	}
1747		2449
1748	=item $player_object->may ("access")	2450	=item $player_object->may ("access")
1749		2451
1750	Returns wether the given player is authorized to access resource "access"	2452	Returns wether the given player is authorized to access resource "access"
…		…
1797	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1798		2500
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2502
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1803		2505
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2507	}
1806		2508
1807	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1809		2513
1810	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1811		2515
1812	unless ($map) {	2516	unless ($map) {
1813	# restore original map position	2517	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1830		2534
1831	$map->load;	2535	$map->load;
1832	$map->load_diag;	2536	$map->load_neighbours;
1833		2537
1834	return unless $self->contr->active;	2538	return unless $self->contr->active;
1835	$self->activate_recursive;	2539	$self->activate_recursive;
1836		2540
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2541	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2542	$self->enter_map ($map, $x, $y);
1839	}	2543	}
1840		2544
1841	cf::player->attach (	2545	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2546
1845	# abort map switching before logout	2547	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2548	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2549	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2550	the new (success) or old (failed) map position. In either case, $done will
1849	};	2551	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2552
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2553	=cut
		2554
		2555	our $GOTOGEN;
1876		2556
1877	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
		2559
		2560	# do generation counting so two concurrent goto's will be executed in-order
		2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2562
1880	$self->enter_link;	2563	$self->enter_link;
1881		2564
1882	(async {	2565	(async {
		2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
1883	my $map = eval {	2587	my $map = eval {
1884	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
		2589
		2590	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2591	$map = $map->customise_for ($self);
		2592	$map = $check->($map) if $check && $map;
		2593	} else {
		2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	}
		2596
1886	$map	2597	$map
		2598	};
		2599
		2600	if ($@) {
		2601	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2602	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2603	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2604
		2605	if ($gen == $self->{_goto_generation}) {
		2606	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
		2608	}
		2609
		2610	$done->() if $done;
1891	})->prio (1);	2611	})->prio (1);
1892	}	2612	}
1893		2613
1894	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1895		2615
…		…
1932	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
1933	}	2653	}
1934		2654
1935	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
1936		2656
1937	my $data = cf::to_json $rmp;	2657	my $data = cf::encode_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
1940		2660
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2663	undef $fh;
1944	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
…		…
1953		2673
1954	return unless $self->type == cf::PLAYER;	2674	return unless $self->type == cf::PLAYER;
1955		2675
1956	if ($exit->slaying eq "/!") {	2676	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2677	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2678	# the problem is that $exit might not survive long enough
		2679	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2680	cf::sync_job { prepare_random_map $exit };
1959	}	2681	}
1960		2682
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2683	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2684	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2685	my $sp = $exit->stats->sp;
1964		2686
1965	$self->enter_link;	2687	$self->enter_link;
1966		2688
		2689	# if exit is damned, update players death & WoR home-position
		2690	$self->contr->savebed ($slaying, $hp, $sp)
		2691	if $exit->flag (FLAG_DAMNED);
		2692
1967	(async {	2693	(async {
		2694	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2695
1968	$self->deactivate_recursive; # just to be sure	2696	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2697	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2698	$self->goto ($slaying, $hp, $sp);
1971		2699
1972	1;	2700	1;
1973	}) {	2701	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2706
1979	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2708	$self->leave_link;
1981	}	2709	}
1982	})->prio (1);	2710	})->prio (1);
…		…
1998		2726
1999	utf8::encode $text;	2727	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2729	}
2002		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/uptime" => {
		2779	id => "infobox",
		2780	title => "Uptime",
		2781	reply => undef,
		2782	tooltip => "How long the server has been running since last restart",
		2783	},
		2784	"c/mapinfo" => {
		2785	id => "infobox",
		2786	title => "Map Info",
		2787	reply => undef,
		2788	tooltip => "Information related to the maps",
		2789	},
		2790	);
		2791
		2792	sub cf::client::send_msg {
		2793	my ($self, $channel, $msg, $color, @extra) = @_;
		2794
		2795	$msg = $self->pl->expand_cfpod ($msg);
		2796
		2797	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2798
		2799	# check predefined channels, for the benefit of C
		2800	if ($CHANNEL{$channel}) {
		2801	$channel = $CHANNEL{$channel};
		2802
		2803	$self->ext_msg (channel_info => $channel)
		2804	if $self->can_msg;
		2805
		2806	$channel = $channel->{id};
		2807
		2808	} elsif (ref $channel) {
		2809	# send meta info to client, if not yet sent
		2810	unless (exists $self->{channel}{$channel->{id}}) {
		2811	$self->{channel}{$channel->{id}} = $channel;
		2812	$self->ext_msg (channel_info => $channel)
		2813	if $self->can_msg;
		2814	}
		2815
		2816	$channel = $channel->{id};
		2817	}
		2818
		2819	return unless @extra || length $msg;
		2820
		2821	if ($self->can_msg) {
		2822	# default colour, mask it out
		2823	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2824	if $color & cf::NDI_DEF;
		2825
		2826	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2827	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2828	} else {
		2829	if ($color >= 0) {
		2830	# replace some tags by gcfclient-compatible ones
		2831	for ($msg) {
		2832	1 while
		2833	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2834	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2835	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2836	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2837	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2838	}
		2839
		2840	$color &= cf::NDI_COLOR_MASK;
		2841
		2842	utf8::encode $msg;
		2843
		2844	if (0 && $msg =~ /\[/) {
		2845	# COMMAND/INFO
		2846	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2847	} else {
		2848	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2849	$self->send_packet ("drawinfo $color $msg")
		2850	}
		2851	}
		2852	}
		2853	}
		2854
		2855	=item $client->ext_msg ($type, @msg)
		2856
		2857	Sends an ext event to the client.
		2858
		2859	=cut
		2860
		2861	sub cf::client::ext_msg($$@) {
		2862	my ($self, $type, @msg) = @_;
		2863
		2864	if ($self->extcmd == 2) {
		2865	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2866	} elsif ($self->extcmd == 1) { # TODO: remove
		2867	push @msg, msgtype => "event_$type";
		2868	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2869	}
		2870	}
		2871
		2872	=item $client->ext_reply ($msgid, @msg)
		2873
		2874	Sends an ext reply to the client.
		2875
		2876	=cut
		2877
		2878	sub cf::client::ext_reply($$@) {
		2879	my ($self, $id, @msg) = @_;
		2880
		2881	if ($self->extcmd == 2) {
		2882	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2883	} elsif ($self->extcmd == 1) {
		2884	#TODO: version 1, remove
		2885	unshift @msg, msgtype => "reply", msgid => $id;
		2886	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2887	}
		2888	}
2003		2889
2004	=item $success = $client->query ($flags, "text", \&cb)	2890	=item $success = $client->query ($flags, "text", \&cb)
2005		2891
2006	Queues a query to the client, calling the given callback with	2892	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2893	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2894	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2895
2010	Queries can fail, so check the return code. Or don't, as queries will become	2896	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2897	become reliable at some point in the future.
2012		2898
2013	=cut	2899	=cut
2014		2900
2015	sub cf::client::query {	2901	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2902	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2910	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2911	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2912
2027	$self->send_packet ($self->{query_queue}[0][0])	2913	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2914	if @{ $self->{query_queue} } == 1;
		2915
		2916	1
2029	}	2917	}
2030		2918
2031	cf::client->attach (	2919	cf::client->attach (
		2920	on_connect => sub {
		2921	my ($ns) = @_;
		2922
		2923	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2924	},
2032	on_reply => sub {	2925	on_reply => sub {
2033	my ($ns, $msg) = @_;	2926	my ($ns, $msg) = @_;
2034		2927
2035	# this weird shuffling is so that direct followup queries	2928	# this weird shuffling is so that direct followup queries
2036	# get handled first	2929	# get handled first
…		…
2048	} else {	2941	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2942	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2943	}
2051	}	2944	}
2052	},	2945	},
		2946	on_exticmd => sub {
		2947	my ($ns, $buf) = @_;
		2948
		2949	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2950
		2951	if (ref $msg) {
		2952	my ($type, $reply, @payload) =
		2953	"ARRAY" eq ref $msg
		2954	? @$msg
		2955	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2956
		2957	my @reply;
		2958
		2959	if (my $cb = $EXTICMD{$type}) {
		2960	@reply = $cb->($ns, @payload);
		2961	}
		2962
		2963	$ns->ext_reply ($reply, @reply)
		2964	if $reply;
		2965
		2966	} else {
		2967	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2968	}
		2969
		2970	cf::override;
		2971	},
2053	);	2972	);
2054		2973
2055	=item $client->async (\&cb)	2974	=item $client->async (\&cb)
2056		2975
2057	Create a new coroutine, running the specified callback. The coroutine will	2976	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	3017	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3018	our $safe_hole = new Safe::Hole;
2100		3019
2101	$SIG{FPE} = 'IGNORE';	3020	$SIG{FPE} = 'IGNORE';
2102		3021
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3022	$safe->permit_only (Opcode::opset qw(
		3023	:base_core :base_mem :base_orig :base_math
		3024	grepstart grepwhile mapstart mapwhile
		3025	sort time
		3026	));
2104		3027
2105	# here we export the classes and methods available to script code	3028	# here we export the classes and methods available to script code
2106		3029
2107	=pod	3030	=pod
2108		3031
2109	The following fucntions and emthods are available within a safe environment:	3032	The following functions and methods are available within a safe environment:
2110		3033
2111	cf::object contr pay_amount pay_player map	3034	cf::object
		3035	contr pay_amount pay_player map x y force_find force_add destroy
		3036	insert remove name archname title slaying race decrease_ob_nr
		3037
2112	cf::object::player player	3038	cf::object::player
2113	cf::player peaceful	3039	player
2114	cf::map trigger	3040
		3041	cf::player
		3042	peaceful
		3043
		3044	cf::map
		3045	trigger
2115		3046
2116	=cut	3047	=cut
2117		3048
2118	for (	3049	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3050	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3051	insert remove inv name archname title slaying race
		3052	decrease_ob_nr destroy)],
2120	["cf::object::player" => qw(player)],	3053	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3054	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	3055	["cf::map" => qw(trigger)],
2123	) {	3056	) {
2124	no strict 'refs';	3057	no strict 'refs';
…		…
2195	=back	3128	=back
2196		3129
2197	=cut	3130	=cut
2198		3131
2199	#############################################################################	3132	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	3133	# the server's init and main functions
2273		3134
2274	sub load_faces {	3135	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3136	my ($path) = @_;
2276		3137
		3138	# HACK to clear player env face cache, we need some signal framework
		3139	# for this (global event?)
		3140	%ext::player_env::MUSIC_FACE_CACHE = ();
		3141
		3142	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3143
2277	warn "loading faces from $path\n";	3144	warn "loading facedata from $path\n";
2278		3145
2279	my $faces;	3146	my $facedata;
2280	0 < aio_load $path, $faces	3147	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3148	or die "$path: $!";
2282		3149
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3150	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3151
		3152	$facedata->{version} == 2
		3153	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3154
		3155	# patch in the exptable
		3156	$facedata->{resource}{"res/exp_table"} = {
		3157	type => FT_RSRC,
		3158	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3159	};
		3160	cf::cede_to_tick;
		3161
		3162	{
		3163	my $faces = $facedata->{faceinfo};
		3164
2287	while (my ($face, $info) = each %$faces) {	3165	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3166	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3167
		3168	cf::face::set_visibility $idx, $info->{visibility};
		3169	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3170	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2291	Coro::cede;	3171	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2292	}
2293		3172
		3173	cf::cede_to_tick;
		3174	}
		3175
2294	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2295	next unless $info->{smooth};	3177	next unless $info->{smooth};
		3178
2296	my $idx = cf::face::find $face	3179	my $idx = cf::face::find $face
2297	or next;	3180	or next;
		3181
2298	if (my $smooth = cf::face::find $info->{smooth}) {	3182	if (my $smooth = cf::face::find $info->{smooth}) {
2299	cf::face::set_smooth $idx, $smooth;	3183	cf::face::set_smooth $idx, $smooth;
2300	warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#	3184	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2301	} else {	3185	} else {
2302	warn "smooth face '$info->{smooth}' not found for face '$face'";	3186	warn "smooth face '$info->{smooth}' not found for face '$face'";
2303	}	3187	}
2304	Coro::cede;	3188
		3189	cf::cede_to_tick;
		3190	}
		3191	}
		3192
2305	}	3193	{
		3194	my $anims = $facedata->{animinfo};
		3195
		3196	while (my ($anim, $info) = each %$anims) {
		3197	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3198	cf::cede_to_tick;
		3199	}
		3200
		3201	cf::anim::invalidate_all; # d'oh
		3202	}
		3203
		3204	{
		3205	# TODO: for gcfclient pleasure, we should give resources
		3206	# that gcfclient doesn't grok a >10000 face index.
		3207	my $res = $facedata->{resource};
		3208
		3209	while (my ($name, $info) = each %$res) {
		3210	if (defined $info->{type}) {
		3211	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3212	my $data;
		3213
		3214	if ($info->{type} & 1) {
		3215	# prepend meta info
		3216
		3217	my $meta = $enc->encode ({
		3218	name => $name,
		3219	%{ $info->{meta} || {} },
		3220	});
		3221
		3222	$data = pack "(w/a*)*", $meta, $info->{data};
		3223	} else {
		3224	$data = $info->{data};
		3225	}
		3226
		3227	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3228	cf::face::set_type $idx, $info->{type};
		3229	} else {
		3230	$RESOURCE{$name} = $info;
		3231	}
		3232
		3233	cf::cede_to_tick;
		3234	}
		3235	}
		3236
		3237	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2306		3238
2307	1	3239	1
2308	}	3240	}
2309		3241
		3242	cf::global->attach (on_resource_update => sub {
		3243	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3244	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3245
		3246	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3247	my $sound = $soundconf->{compat}[$_]
		3248	or next;
		3249
		3250	my $face = cf::face::find "sound/$sound->[1]";
		3251	cf::sound::set $sound->[0] => $face;
		3252	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3253	}
		3254
		3255	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3256	my $face = cf::face::find "sound/$v";
		3257	cf::sound::set $k => $face;
		3258	}
		3259	}
		3260	});
		3261
		3262	register_exticmd fx_want => sub {
		3263	my ($ns, $want) = @_;
		3264
		3265	while (my ($k, $v) = each %$want) {
		3266	$ns->fx_want ($k, $v);
		3267	}
		3268	};
		3269
		3270	sub reload_regions {
		3271	# HACK to clear player env face cache, we need some signal framework
		3272	# for this (global event?)
		3273	%ext::player_env::MUSIC_FACE_CACHE = ();
		3274
		3275	load_resource_file "$MAPDIR/regions"
		3276	or die "unable to load regions file\n";
		3277
		3278	for (cf::region::list) {
		3279	$_->{match} = qr/$_->{match}/
		3280	if exists $_->{match};
		3281	}
		3282	}
		3283
		3284	sub reload_facedata {
		3285	load_facedata "$DATADIR/facedata"
		3286	or die "unable to load facedata\n";
		3287	}
		3288
		3289	sub reload_archetypes {
		3290	load_resource_file "$DATADIR/archetypes"
		3291	or die "unable to load archetypes\n";
		3292	#d# NEED to laod twice to resolve forward references
		3293	# this really needs to be done in an extra post-pass
		3294	# (which needs to be synchronous, so solve it differently)
		3295	load_resource_file "$DATADIR/archetypes"
		3296	or die "unable to load archetypes\n";
		3297	}
		3298
		3299	sub reload_treasures {
		3300	load_resource_file "$DATADIR/treasures"
		3301	or die "unable to load treasurelists\n";
		3302	}
		3303
2310	sub reload_resources {	3304	sub reload_resources {
2311	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3305	warn "reloading resource files...\n";
2312	or die "unable to load regions file\n";#d#	3306
		3307	reload_regions;
2313	load_faces	3308	reload_facedata;
2314	or die "unable to load faces\n";#d#	3309	#reload_archetypes;#d#
		3310	reload_archetypes;
		3311	reload_treasures;
		3312
		3313	warn "finished reloading resource files\n";
2315	}	3314	}
2316		3315
2317	sub init {	3316	sub init {
2318	reload_resources;	3317	reload_resources;
2319	}	3318	}
2320		3319
2321	sub cfg_load {	3320	sub reload_config {
2322	open my $fh, "<:utf8", cf::confdir . "/config"	3321	open my $fh, "<:utf8", "$CONFDIR/config"
2323	or return;	3322	or return;
2324		3323
2325	local $/;	3324	local $/;
2326	*CFG = YAML::Syck::Load <$fh>;	3325	*CFG = YAML::Load <$fh>;
2327		3326
2328	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3327	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2329		3328
2330	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3329	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2331	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3330	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2342	sub main {	3341	sub main {
2343	# we must not ever block the main coroutine	3342	# we must not ever block the main coroutine
2344	local $Coro::idle = sub {	3343	local $Coro::idle = sub {
2345	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3344	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2346	(async {	3345	(async {
2347	Event::one_event;	3346	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3347	EV::loop EV::LOOP_ONESHOT;
2348	})->prio (Coro::PRIO_MAX);	3348	})->prio (Coro::PRIO_MAX);
2349	};	3349	};
2350		3350
2351	cfg_load;	3351	reload_config;
2352	db_init;	3352	db_init;
2353	load_extensions;	3353	load_extensions;
2354		3354
2355	$TICK_WATCHER->start;	3355	$TICK_WATCHER->start;
		3356	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2356	Event::loop;	3357	EV::loop;
2357	}	3358	}
2358		3359
2359	#############################################################################	3360	#############################################################################
2360	# initialisation and cleanup	3361	# initialisation and cleanup
2361		3362
2362	# install some emergency cleanup handlers	3363	# install some emergency cleanup handlers
2363	BEGIN {	3364	BEGIN {
		3365	our %SIGWATCHER = ();
2364	for my $signal (qw(INT HUP TERM)) {	3366	for my $signal (qw(INT HUP TERM)) {
2365	Event->signal (	3367	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2366	reentrant => 0,
2367	data => WF_AUTOCANCEL,
2368	signal => $signal,
2369	prio => 0,
2370	cb => sub {
2371	cf::cleanup "SIG$signal";	3368	cf::cleanup "SIG$signal";
2372	},
2373	);	3369	};
		3370	}
		3371	}
		3372
		3373	sub write_runtime {
		3374	my $runtime = "$LOCALDIR/runtime";
		3375
		3376	# first touch the runtime file to show we are still running:
		3377	# the fsync below can take a very very long time.
		3378
		3379	IO::AIO::aio_utime $runtime, undef, undef;
		3380
		3381	my $guard = cf::lock_acquire "write_runtime";
		3382
		3383	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3384	or return;
		3385
		3386	my $value = $cf::RUNTIME + 90 + 10;
		3387	# 10 is the runtime save interval, for a monotonic clock
		3388	# 60 allows for the watchdog to kill the server.
		3389
		3390	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3391	and return;
		3392
		3393	# always fsync - this file is important
		3394	aio_fsync $fh
		3395	and return;
		3396
		3397	# touch it again to show we are up-to-date
		3398	aio_utime $fh, undef, undef;
		3399
		3400	close $fh
		3401	or return;
		3402
		3403	aio_rename "$runtime~", $runtime
		3404	and return;
		3405
		3406	warn "runtime file written.\n";
		3407
2374	}	3408	1
2375	}	3409	}
2376		3410
2377	sub emergency_save() {	3411	sub emergency_save() {
2378	my $freeze_guard = cf::freeze_mainloop;	3412	my $freeze_guard = cf::freeze_mainloop;
2379		3413
…		…
2385	# and maps saved/destroyed asynchronously.	3419	# and maps saved/destroyed asynchronously.
2386	warn "begin emergency player save\n";	3420	warn "begin emergency player save\n";
2387	for my $login (keys %cf::PLAYER) {	3421	for my $login (keys %cf::PLAYER) {
2388	my $pl = $cf::PLAYER{$login} or next;	3422	my $pl = $cf::PLAYER{$login} or next;
2389	$pl->valid or next;	3423	$pl->valid or next;
		3424	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2390	$pl->save;	3425	$pl->save;
2391	}	3426	}
2392	warn "end emergency player save\n";	3427	warn "end emergency player save\n";
2393		3428
2394	warn "begin emergency map save\n";	3429	warn "begin emergency map save\n";
…		…
2412		3447
2413	warn Carp::longmess "post_cleanup backtrace"	3448	warn Carp::longmess "post_cleanup backtrace"
2414	if $make_core;	3449	if $make_core;
2415	}	3450	}
2416		3451
2417	sub reload() {	3452	sub do_reload_perl() {
2418	# can/must only be called in main	3453	# can/must only be called in main
2419	if ($Coro::current != $Coro::main) {	3454	if ($Coro::current != $Coro::main) {
2420	warn "can only reload from main coroutine";	3455	warn "can only reload from main coroutine";
2421	return;	3456	return;
2422	}	3457	}
…		…
2433	warn "syncing database to disk";	3468	warn "syncing database to disk";
2434	BDB::db_env_txn_checkpoint $DB_ENV;	3469	BDB::db_env_txn_checkpoint $DB_ENV;
2435		3470
2436	# if anything goes wrong in here, we should simply crash as we already saved	3471	# if anything goes wrong in here, we should simply crash as we already saved
2437		3472
2438	warn "cancelling all WF_AUTOCANCEL watchers";
2439	for (Event::all_watchers) {
2440	$_->cancel if $_->data & WF_AUTOCANCEL;
2441	}
2442
2443	warn "flushing outstanding aio requests";	3473	warn "flushing outstanding aio requests";
2444	for (;;) {	3474	for (;;) {
2445	BDB::flush;	3475	BDB::flush;
2446	IO::AIO::flush;	3476	IO::AIO::flush;
2447	Coro::cede;	3477	Coro::cede_notself;
2448	last unless IO::AIO::nreqs || BDB::nreqs;	3478	last unless IO::AIO::nreqs || BDB::nreqs;
2449	warn "iterate...";	3479	warn "iterate...";
2450	}	3480	}
2451		3481
2452	++$RELOAD;	3482	++$RELOAD;
…		…
2456	%EXT_CORO = ();	3486	%EXT_CORO = ();
2457		3487
2458	warn "removing commands";	3488	warn "removing commands";
2459	%COMMAND = ();	3489	%COMMAND = ();
2460		3490
2461	warn "removing ext commands";	3491	warn "removing ext/exti commands";
2462	%EXTCMD = ();	3492	%EXTCMD = ();
		3493	%EXTICMD = ();
2463		3494
2464	warn "unloading/nuking all extensions";	3495	warn "unloading/nuking all extensions";
2465	for my $pkg (@EXTS) {	3496	for my $pkg (@EXTS) {
2466	warn "... unloading $pkg";	3497	warn "... unloading $pkg";
2467		3498
…		…
2497	Symbol::delete_package "safe::$_"	3528	Symbol::delete_package "safe::$_"
2498	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3529	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2499		3530
2500	warn "unloading cf.pm \"a bit\"";	3531	warn "unloading cf.pm \"a bit\"";
2501	delete $INC{"cf.pm"};	3532	delete $INC{"cf.pm"};
		3533	delete $INC{"cf/pod.pm"};
2502		3534
2503	# don't, removes xs symbols, too,	3535	# don't, removes xs symbols, too,
2504	# and global variables created in xs	3536	# and global variables created in xs
2505	#Symbol::delete_package __PACKAGE__;	3537	#Symbol::delete_package __PACKAGE__;
2506		3538
…		…
2509	warn "reloading cf.pm";	3541	warn "reloading cf.pm";
2510	require cf;	3542	require cf;
2511	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3543	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2512		3544
2513	warn "loading config and database again";	3545	warn "loading config and database again";
2514	cf::cfg_load;	3546	cf::reload_config;
2515		3547
2516	warn "loading extensions";	3548	warn "loading extensions";
2517	cf::load_extensions;	3549	cf::load_extensions;
2518		3550
2519	warn "reattaching attachments to objects/players";	3551	warn "reattaching attachments to objects/players";
…		…
2521	warn "reattaching attachments to maps";	3553	warn "reattaching attachments to maps";
2522	reattach $_ for values %MAP;	3554	reattach $_ for values %MAP;
2523	warn "reattaching attachments to players";	3555	warn "reattaching attachments to players";
2524	reattach $_ for values %PLAYER;	3556	reattach $_ for values %PLAYER;
2525		3557
2526	warn "loading reloadable resources";
2527	reload_resources;
2528
2529	warn "leaving sync_job";	3558	warn "leaving sync_job";
2530		3559
2531	1	3560	1
2532	} or do {	3561	} or do {
2533	warn $@;	3562	warn $@;
…		…
2538	warn "reloaded";	3567	warn "reloaded";
2539	};	3568	};
2540		3569
2541	our $RELOAD_WATCHER; # used only during reload	3570	our $RELOAD_WATCHER; # used only during reload
2542		3571
		3572	sub reload_perl() {
		3573	# doing reload synchronously and two reloads happen back-to-back,
		3574	# coro crashes during coro_state_free->destroy here.
		3575
		3576	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3577	do_reload_perl;
		3578	undef $RELOAD_WATCHER;
		3579	};
		3580	}
		3581
2543	register_command "reload" => sub {	3582	register_command "reload" => sub {
2544	my ($who, $arg) = @_;	3583	my ($who, $arg) = @_;
2545		3584
2546	if ($who->flag (FLAG_WIZ)) {	3585	if ($who->flag (FLAG_WIZ)) {
2547	$who->message ("reloading server.");	3586	$who->message ("reloading server.");
2548		3587	async {
2549	# doing reload synchronously and two reloads happen back-to-back,	3588	$Coro::current->{desc} = "perl_reload";
2550	# coro crashes during coro_state_free->destroy here.
2551
2552	$RELOAD_WATCHER ||= Event->timer (
2553	reentrant => 0,
2554	after => 0,
2555	data => WF_AUTOCANCEL,
2556	cb => sub {
2557	reload;	3589	reload_perl;
2558	undef $RELOAD_WATCHER;
2559	},
2560	);	3590	};
2561	}	3591	}
2562	};	3592	};
2563		3593
2564	unshift @INC, $LIBDIR;	3594	unshift @INC, $LIBDIR;
2565		3595
2566	my $bug_warning = 0;	3596	my $bug_warning = 0;
2567		3597
2568	$TICK_WATCHER = Event->timer (	3598	our @WAIT_FOR_TICK;
2569	reentrant => 0,	3599	our @WAIT_FOR_TICK_BEGIN;
2570	parked => 1,	3600
2571	prio => 0,	3601	sub wait_for_tick {
2572	at => $NEXT_TICK || $TICK,	3602	return unless $TICK_WATCHER->is_active;
2573	data => WF_AUTOCANCEL,	3603	return if $Coro::current == $Coro::main;
2574	cb => sub {	3604
		3605	my $signal = new Coro::Signal;
		3606	push @WAIT_FOR_TICK, $signal;
		3607	$signal->wait;
		3608	}
		3609
		3610	sub wait_for_tick_begin {
		3611	return unless $TICK_WATCHER->is_active;
		3612	return if $Coro::current == $Coro::main;
		3613
		3614	my $signal = new Coro::Signal;
		3615	push @WAIT_FOR_TICK_BEGIN, $signal;
		3616	$signal->wait;
		3617	}
		3618
		3619	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2575	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
2576	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3621	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2577	unless ++$bug_warning > 10;	3622	unless ++$bug_warning > 10;
2578	return;	3623	return;
2579	}	3624	}
2580		3625
2581	$NOW = Event::time;	3626	$NOW = $tick_start = EV::now;
2582		3627
2583	cf::server_tick; # one server iteration	3628	cf::server_tick; # one server iteration
		3629
2584	$RUNTIME += $TICK;	3630	$RUNTIME += $TICK;
2585	$NEXT_TICK += $TICK;	3631	$NEXT_TICK = $_[0]->at;
2586		3632
2587	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3633	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2588	$NEXT_RUNTIME_WRITE = $NOW + 10;	3634	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2589	Coro::async_pool {	3635	Coro::async_pool {
		3636	$Coro::current->{desc} = "runtime saver";
2590	write_runtime	3637	write_runtime
2591	or warn "ERROR: unable to write runtime file: $!";	3638	or warn "ERROR: unable to write runtime file: $!";
2592	};
2593	}	3639	};
2594
2595	$WAIT_FOR_TICK->broadcast;
2596	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2597
2598	# my $AFTER = Event::time;
2599	# warn $AFTER - $NOW;#d#
2600
2601	# if we are delayed by four ticks or more, skip them all
2602	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2603
2604	$TICK_WATCHER->at ($NEXT_TICK);
2605	$TICK_WATCHER->start;
2606	},	3640	}
2607	);	3641
		3642	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3643	$sig->send;
		3644	}
		3645	while (my $sig = shift @WAIT_FOR_TICK) {
		3646	$sig->send;
		3647	}
		3648
		3649	$LOAD = ($NOW - $tick_start) / $TICK;
		3650	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3651
		3652	_post_tick;
		3653	};
		3654	$TICK_WATCHER->priority (EV::MAXPRI);
2608		3655
2609	{	3656	{
2610	BDB::max_poll_time $TICK * 0.1;	3657	# configure BDB
2611	$BDB_POLL_WATCHER = Event->io (	3658
2612	reentrant => 0,
2613	fd => BDB::poll_fileno,
2614	poll => 'r',
2615	prio => 0,
2616	data => WF_AUTOCANCEL,
2617	cb => \&BDB::poll_cb,
2618	);
2619	BDB::min_parallel 8;	3659	BDB::min_parallel 8;
2620		3660	BDB::max_poll_reqs $TICK * 0.1;
2621	BDB::set_sync_prepare {	3661	$Coro::BDB::WATCHER->priority (1);
2622	my $status;
2623	my $current = $Coro::current;
2624	(
2625	sub {
2626	$status = $!;
2627	$current->ready; undef $current;
2628	},
2629	sub {
2630	Coro::schedule while defined $current;
2631	$! = $status;
2632	},
2633	)
2634	};
2635		3662
2636	unless ($DB_ENV) {	3663	unless ($DB_ENV) {
2637	$DB_ENV = BDB::db_env_create;	3664	$DB_ENV = BDB::db_env_create;
		3665	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3666	| BDB::LOG_AUTOREMOVE, 1);
		3667	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3668	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2638		3669
2639	cf::sync_job {	3670	cf::sync_job {
2640	eval {	3671	eval {
2641	BDB::db_env_open	3672	BDB::db_env_open
2642	$DB_ENV,	3673	$DB_ENV,
2643	$BDB_ENV_DIR,	3674	$BDBDIR,
2644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3675	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3676	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2646	0666;	3677	0666;
2647		3678
2648	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3679	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2649
2650	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2651	$DB_ENV->set_lk_detect;
2652	};	3680	};
2653		3681
2654	cf::cleanup "db_env_open(db): $@" if $@;	3682	cf::cleanup "db_env_open(db): $@" if $@;
2655	};	3683	};
2656	}	3684	}
		3685
		3686	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3687	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3688	};
		3689	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3690	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3691	};
		3692	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3693	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3694	};
2657	}	3695	}
2658		3696
2659	{	3697	{
		3698	# configure IO::AIO
		3699
2660	IO::AIO::min_parallel 8;	3700	IO::AIO::min_parallel 8;
2661
2662	undef $Coro::AIO::WATCHER;
2663	IO::AIO::max_poll_time $TICK * 0.1;	3701	IO::AIO::max_poll_time $TICK * 0.1;
2664	$AIO_POLL_WATCHER = Event->io (	3702	$Coro::AIO::WATCHER->priority (1);
2665	reentrant => 0,
2666	data => WF_AUTOCANCEL,
2667	fd => IO::AIO::poll_fileno,
2668	poll => 'r',
2669	prio => 6,
2670	cb => \&IO::AIO::poll_cb,
2671	);
2672	}	3703	}
		3704
		3705	my $_log_backtrace;
		3706
		3707	sub _log_backtrace {
		3708	my ($msg, @addr) = @_;
		3709
		3710	$msg =~ s/\n//;
		3711
		3712	# limit the # of concurrent backtraces
		3713	if ($_log_backtrace < 2) {
		3714	++$_log_backtrace;
		3715	async {
		3716	$Coro::current->{desc} = "abt $msg";
		3717
		3718	my @bt = fork_call {
		3719	@addr = map { sprintf "%x", $_ } @addr;
		3720	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3721	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3722	or die "addr2line: $!";
		3723
		3724	my @funcs;
		3725	my @res = <$fh>;
		3726	chomp for @res;
		3727	while (@res) {
		3728	my ($func, $line) = splice @res, 0, 2, ();
		3729	push @funcs, "[$func] $line";
		3730	}
		3731
		3732	@funcs
		3733	};
		3734
		3735	LOG llevInfo, "[ABT] $msg\n";
		3736	LOG llevInfo, "[ABT] $_\n" for @bt;
		3737	--$_log_backtrace;
		3738	};
		3739	} else {
		3740	LOG llevInfo, "[ABT] $msg\n";
		3741	LOG llevInfo, "[ABT] [suppressed]\n";
		3742	}
		3743	}
		3744
		3745	# load additional modules
		3746	use cf::pod;
2673		3747
2674	END { cf::emergency_save }	3748	END { cf::emergency_save }
2675		3749
2676	1	3750	1
2677		3751

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