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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 1.411 by root, Fri Feb 1 15:54:07 2008 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
9	use 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	cf::cleanup "mandatory extension failed to load, exiting.";
		1322	}
		1323
		1324	warn $msg;
		1325	}
		1326
		1327	$done{$k} = delete $todo{$k};
		1328	push @EXTS, $v->{pkg};
		1329	$progress = 1;
930	1	1330	}
931	} or warn "$ext not loaded: $@";	1331
		1332	skip:
		1333	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1334	unless $progress;
		1335	}
932	}	1336	};
933	}	1337	}
934		1338
935	#############################################################################	1339	#############################################################################
936		1340
		1341	=back
		1342
937	=head2 CORE EXTENSIONS	1343	=head2 CORE EXTENSIONS
938		1344
939	Functions and methods that extend core crossfire objects.	1345	Functions and methods that extend core crossfire objects.
940		1346
941	=cut	1347	=cut
…		…
946		1352
947	=head3 cf::player	1353	=head3 cf::player
948		1354
949	=over 4	1355	=over 4
950		1356
		1357	=item cf::player::num_playing
		1358
		1359	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1360
		1361	=cut
		1362
		1363	sub num_playing {
		1364	scalar grep
		1365	$_->ob->map
		1366	&& !$_->hidden
		1367	&& !$_->ob->flag (cf::FLAG_WIZ),
		1368	cf::player::list
		1369	}
		1370
951	=item cf::player::find $login	1371	=item cf::player::find $login
952		1372
953	Returns the given player object, loading it if necessary (might block).	1373	Returns the given player object, loading it if necessary (might block).
954		1374
955	=cut	1375	=cut
956		1376
957	sub playerdir($) {	1377	sub playerdir($) {
958	cf::localdir	1378	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1379	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1380	}
964		1381
965	sub path($) {	1382	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1383	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1384
968	(playerdir $login) . "/$login.pl"	1385	(playerdir $login) . "/playerdata"
969	}	1386	}
970		1387
971	sub find_active($) {	1388	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1389	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1390	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1403	my $login = $_[0];
987		1404
988	my $guard = cf::lock_acquire "user_find:$login";	1405	my $guard = cf::lock_acquire "user_find:$login";
989		1406
990	$cf::PLAYER{$_[0]} || do {	1407	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1408	# rename old playerfiles to new ones
		1409	#TODO: remove when no longer required
		1410	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1411	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1412	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1413	aio_unlink +(playerdir $login) . "/$login.pl";
		1414
		1415	my $f = new_from_file cf::object::thawer path $login
992	or return;	1416	or return;
		1417
		1418	my $pl = cf::player::load_pl $f
		1419	or return;
		1420	local $cf::PLAYER_LOADING{$login} = $pl;
		1421	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1422	$cf::PLAYER{$login} = $pl
994	}	1423	}
995	}	1424	}
996	}	1425	}
997		1426
…		…
1007		1436
1008	aio_mkdir playerdir $pl, 0770;	1437	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1438	$pl->{last_save} = $cf::RUNTIME;
1010		1439
1011	$pl->save_pl ($path);	1440	$pl->save_pl ($path);
1012	Coro::cede;	1441	cf::cede_to_tick;
1013	}	1442	}
1014		1443
1015	sub new($) {	1444	sub new($) {
1016	my ($login) = @_;	1445	my ($login) = @_;
1017		1446
…		…
1021	$self->{deny_save} = 1;	1450	$self->{deny_save} = 1;
1022		1451
1023	$cf::PLAYER{$login} = $self;	1452	$cf::PLAYER{$login} = $self;
1024		1453
1025	$self	1454	$self
		1455	}
		1456
		1457	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1458
		1459	=cut
		1460
		1461	sub send_msg {
		1462	my $ns = shift->ns
		1463	or return;
		1464	$ns->send_msg (@_);
1026	}	1465	}
1027		1466
1028	=item $pl->quit_character	1467	=item $pl->quit_character
1029		1468
1030	Nukes the player without looking back. If logged in, the connection will	1469	Nukes the player without looking back. If logged in, the connection will
…		…
1079	while and may block, so not sync_job-capable, ever.	1518	while and may block, so not sync_job-capable, ever.
1080		1519
1081	=cut	1520	=cut
1082		1521
1083	sub list_logins {	1522	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1523	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1524	or return [];
1086		1525
1087	my @logins;	1526	my @logins;
1088		1527
1089	for my $login (@$dirs) {	1528	for my $login (@$dirs) {
		1529	my $path = path $login;
		1530
		1531	# a .pst is a dead give-away for a valid player
		1532	unless (-e "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1533	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1534	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1535	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1536	}
1093		1537
1094	utf8::decode $login;	1538	utf8::decode $login;
1095	push @logins, $login;	1539	push @logins, $login;
1096	}	1540	}
1097		1541
…		…
1124	}	1568	}
1125		1569
1126	\@paths	1570	\@paths
1127	}	1571	}
1128		1572
		1573	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1574
		1575	Expand crossfire pod fragments into protocol xml.
		1576
		1577	=cut
		1578
		1579	use re 'eval';
		1580
		1581	my $group;
		1582	my $interior; $interior = qr{
		1583	# match a pod interior sequence sans C<< >>
		1584	(?:
		1585	\ (.*?)\ (?{ $group = $^N })
		1586	| < (??{$interior}) >
		1587	)
		1588	}x;
		1589
		1590	sub expand_cfpod {
		1591	my ($self, $pod) = @_;
		1592
		1593	my $xml;
		1594
		1595	while () {
		1596	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1597	$group = $1;
		1598
		1599	$group =~ s/&/&amp;/g;
		1600	$group =~ s/</&lt;/g;
		1601
		1602	$xml .= $group;
		1603	} elsif ($pod =~ m%\G
		1604	([BCGHITU])
		1605	<
		1606	(?:
		1607	([^<>]*) (?{ $group = $^N })
		1608	| < $interior >
		1609	)
		1610	>
		1611	%gcsx
		1612	) {
		1613	my ($code, $data) = ($1, $group);
		1614
		1615	if ($code eq "B") {
		1616	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1617	} elsif ($code eq "I") {
		1618	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1619	} elsif ($code eq "U") {
		1620	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1621	} elsif ($code eq "C") {
		1622	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1623	} elsif ($code eq "T") {
		1624	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1625	} elsif ($code eq "G") {
		1626	my ($male, $female) = split /\|/, $data;
		1627	$data = $self->gender ? $female : $male;
		1628	$xml .= expand_cfpod ($self, $data);
		1629	} elsif ($code eq "H") {
		1630	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1631	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1632	"")
		1633	[$self->{hintmode}];
		1634	} else {
		1635	$xml .= "error processing '$code($data)' directive";
		1636	}
		1637	} else {
		1638	if ($pod =~ /\G(.+)/) {
		1639	warn "parse error while expanding $pod (at $1)";
		1640	}
		1641	last;
		1642	}
		1643	}
		1644
		1645	for ($xml) {
		1646	# create single paragraphs (very hackish)
		1647	s/(?<=\S)\n(?=\w)/ /g;
		1648
		1649	# compress some whitespace
		1650	s/\s+\n/\n/g; # ws line-ends
		1651	s/\n\n+/\n/g; # double lines
		1652	s/^\n+//; # beginning lines
		1653	s/\n+$//; # ending lines
		1654	}
		1655
		1656	$xml
		1657	}
		1658
		1659	no re 'eval';
		1660
		1661	sub hintmode {
		1662	$_[0]{hintmode} = $_[1] if @_ > 1;
		1663	$_[0]{hintmode}
		1664	}
		1665
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1666	=item $player->ext_reply ($msgid, @msg)
1130		1667
1131	Sends an ext reply to the player.	1668	Sends an ext reply to the player.
1132		1669
1133	=cut	1670	=cut
1134		1671
1135	sub ext_reply($$$%) {	1672	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1673	my ($self, $id, @msg) = @_;
1137		1674
1138	$msg{msgid} = $id;	1675	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1676	}
1142		1677
1143	package cf;	1678	=item $player->ext_msg ($type, @msg)
		1679
		1680	Sends an ext event to the client.
		1681
		1682	=cut
		1683
		1684	sub ext_msg($$@) {
		1685	my ($self, $type, @msg) = @_;
		1686
		1687	$self->ns->ext_msg ($type, @msg);
		1688	}
		1689
		1690	=head3 cf::region
		1691
		1692	=over 4
		1693
		1694	=cut
		1695
		1696	package cf::region;
		1697
		1698	=item cf::region::find_by_path $path
		1699
		1700	Tries to decuce the likely region for a map knowing only its path.
		1701
		1702	=cut
		1703
		1704	sub find_by_path($) {
		1705	my ($path) = @_;
		1706
		1707	my ($match, $specificity);
		1708
		1709	for my $region (list) {
		1710	if ($region->{match} && $path =~ $region->{match}) {
		1711	($match, $specificity) = ($region, $region->specificity)
		1712	if $region->specificity > $specificity;
		1713	}
		1714	}
		1715
		1716	$match
		1717	}
1144		1718
1145	=back	1719	=back
1146
1147		1720
1148	=head3 cf::map	1721	=head3 cf::map
1149		1722
1150	=over 4	1723	=over 4
1151		1724
…		…
1206	my ($self, $merge) = @_;	1779	my ($self, $merge) = @_;
1207		1780
1208	# we have to keep some variables in memory intact	1781	# we have to keep some variables in memory intact
1209	local $self->{path};	1782	local $self->{path};
1210	local $self->{load_path};	1783	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1784
1214	$self->SUPER::thawer_merge ($merge);	1785	$self->SUPER::thawer_merge ($merge);
1215	}	1786	}
1216		1787
1217	sub normalise {	1788	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1835	$self->init; # pass $1 etc.
1265	return $self;	1836	return $self;
1266	}	1837	}
1267	}	1838	}
1268		1839
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1840	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1841	()
1271	}	1842	}
1272		1843
1273	sub init {	1844	sub init {
1274	my ($self) = @_;	1845	my ($self) = @_;
…		…
1289		1860
1290	# the original (read-only) location	1861	# the original (read-only) location
1291	sub load_path {	1862	sub load_path {
1292	my ($self) = @_;	1863	my ($self) = @_;
1293		1864
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1865	"$MAPDIR/$self->{path}.map"
1295	}	1866	}
1296		1867
1297	# the temporary/swap location	1868	# the temporary/swap location
1298	sub save_path {	1869	sub save_path {
1299	my ($self) = @_;	1870	my ($self) = @_;
1300		1871
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1872	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1873	"$TMPDIR/$path.map"
1303	}	1874	}
1304		1875
1305	# the unique path, undef == no special unique path	1876	# the unique path, undef == no special unique path
1306	sub uniq_path {	1877	sub uniq_path {
1307	my ($self) = @_;	1878	my ($self) = @_;
1308		1879
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1881	"$UNIQUEDIR/$path"
1311	}	1882	}
1312		1883
1313	# and all this just because we cannot iterate over	1884	# and all this just because we cannot iterate over
1314	# all maps in C++...	1885	# all maps in C++...
1315	sub change_all_map_light {	1886	sub change_all_map_light {
…		…
1317		1888
1318	$_->change_map_light ($change)	1889	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1890	for grep $_->outdoor, values %cf::MAP;
1320	}	1891	}
1321		1892
		1893	sub decay_objects {
		1894	my ($self) = @_;
		1895
		1896	return if $self->{deny_reset};
		1897
		1898	$self->do_decay_objects;
		1899	}
		1900
1322	sub unlink_save {	1901	sub unlink_save {
1323	my ($self) = @_;	1902	my ($self) = @_;
1324		1903
1325	utf8::encode (my $save = $self->save_path);	1904	utf8::encode (my $save = $self->save_path);
1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1905	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1329		1908
1330	sub load_header_from($) {	1909	sub load_header_from($) {
1331	my ($self, $path) = @_;	1910	my ($self, $path) = @_;
1332		1911
1333	utf8::encode $path;	1912	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1913	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	1914	or return;
		1915
		1916	$self->_load_header ($f)
		1917	or return;
		1918
		1919	local $MAP_LOADING{$self->{path}} = $self;
		1920	$f->resolve_delayed_derefs;
1339		1921
1340	$self->{load_path} = $path;	1922	$self->{load_path} = $path;
1341		1923
1342	1	1924	1
1343	}	1925	}
…		…
1382	$self->load_header_orig	1964	$self->load_header_orig
1383	or return;	1965	or return;
1384	$self->prepare_orig;	1966	$self->prepare_orig;
1385	}	1967	}
1386		1968
		1969	$self->{deny_reset} = 1
		1970	if $self->no_reset;
		1971
		1972	$self->default_region (cf::region::find_by_path $self->{path})
		1973	unless $self->default_region;
		1974
1387	1	1975	1
1388	}	1976	}
1389		1977
1390	sub find;	1978	sub find;
1391	sub find {	1979	sub find {
1392	my ($path, $origin) = @_;	1980	my ($path, $origin) = @_;
1393		1981
1394	$path = normalise $path, $origin && $origin->path;	1982	$path = normalise $path, $origin && $origin->path;
1395		1983
		1984	cf::lock_wait "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	1985	cf::lock_wait "map_find:$path";
1397		1986
1398	$cf::MAP{$path} || do {	1987	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";	1988	my $guard1 = cf::lock_acquire "map_find:$path";
		1989	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1990
1400	my $map = new_from_path cf::map $path	1991	my $map = new_from_path cf::map $path
1401	or return;	1992	or return;
1402		1993
1403	$map->{last_save} = $cf::RUNTIME;	1994	$map->{last_save} = $cf::RUNTIME;
1404		1995
1405	$map->load_header	1996	$map->load_header
1406	or return;	1997	or return;
1407		1998
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1999	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2000	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2001	#$cf::WAIT_FOR_TICK->wait;
		2002	undef $guard1;
		2003	undef $guard2;
1411	$map->reset;	2004	$map->reset;
1412	undef $guard;
1413	return find $path;	2005	return find $path;
1414	}	2006	}
1415		2007
1416	$cf::MAP{$path} = $map	2008	$cf::MAP{$path} = $map
1417	}	2009	}
…		…
1424	my ($self) = @_;	2016	my ($self) = @_;
1425		2017
1426	local $self->{deny_reset} = 1; # loading can take a long time	2018	local $self->{deny_reset} = 1; # loading can take a long time
1427		2019
1428	my $path = $self->{path};	2020	my $path = $self->{path};
		2021
		2022	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2023	my $guard = cf::lock_acquire "map_data:$path";
1430		2024
		2025	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2026	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2027
1433	$self->in_memory (cf::MAP_LOADING);	2028	$self->in_memory (cf::MAP_LOADING);
1434		2029
1435	$self->alloc;	2030	$self->alloc;
1436		2031
1437	$self->pre_load;	2032	$self->pre_load;
		2033	cf::cede_to_tick;
1438		2034
1439	$self->_load_objects ($self->{load_path}, 1)	2035	my $f = new_from_file cf::object::thawer $self->{load_path};
		2036	$f->skip_block;
		2037	$self->_load_objects ($f)
1440	or return;	2038	or return;
1441		2039
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2040	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};	2041	if delete $self->{load_original};
1444		2042
1445	if (my $uniq = $self->uniq_path) {	2043	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2044	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2045	unless (aio_stat $uniq) {
		2046	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2047	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2048	$self->_load_objects ($f);
		2049	$f->resolve_delayed_derefs;
		2050	}
1450	}	2051	}
1451	}	2052	}
1452		2053
1453	Coro::cede;	2054	$f->resolve_delayed_derefs;
1454		2055
		2056	cf::cede_to_tick;
1455	# now do the right thing for maps	2057	# now do the right thing for maps
1456	$self->link_multipart_objects;	2058	$self->link_multipart_objects;
1457
1458	unless ($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)	2059	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2060	unless $self->difficulty;
1466	Coro::cede;	2061	cf::cede_to_tick;
		2062
		2063	unless ($self->{deny_activate}) {
		2064	$self->decay_objects;
		2065	$self->fix_auto_apply;
		2066	$self->update_buttons;
		2067	cf::cede_to_tick;
		2068	$self->set_darkness_map;
		2069	cf::cede_to_tick;
1467	$self->activate;	2070	$self->activate;
		2071	}
		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
		2076	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	2077	}
1469		2078
1470	$self->post_load;	2079	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2080	}
1474		2081
1475	sub customise_for {	2082	sub customise_for {
1476	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1477		2084
1478	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2086	if $self->per_player;
1480		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1481	$self	2091	$self
1482	}	2092	}
1483		2093
1484	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2095	sub load_neighbours {
1486	my ($map) = @_;	2096	my ($map) = @_;
1487		2097
1488	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1489		2099
1490	for (0 .. 3) {	2100	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1492	or next;	2102	or next;
1493	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1494	or next;	2104	or next;
1495	$neigh->load;	2105	$neigh->load;
1496		2106
		2107	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2110	}
1500		2111
1501	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1503	or next;	2115	or next;
1504	$neigh->load;	2116	$neigh->load;
1505	}	2117	}
1506	}	2118	}
1507		2119
…		…
1512	}	2124	}
1513		2125
1514	sub do_load_sync {	2126	sub do_load_sync {
1515	my ($map) = @_;	2127	my ($map) = @_;
1516		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1517	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1518	}	2133	}
1519		2134
1520	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1522		2137
1523	sub find_async {	2138	sub find_async {
1524	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1525		2140
1526	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1527		2142
1528	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1530	}	2145	}
1531		2146
1532	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1533	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1534	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2154	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2155	$map->load if $v;
		2156	}
1539		2157
1540	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1541	}	2159	}
1542	}	2160	}
1543	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1544	};	2162	};
1545	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2166	}
1549		2167
1550	sub save {	2168	sub save {
1551	my ($self) = @_;	2169	my ($self) = @_;
1552		2170
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2172
1555	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1556		2174
1557	return unless $self->dirty;	2175	return unless $self->dirty;
1558		2176
…		…
1564	return if $self->{deny_save};	2182	return if $self->{deny_save};
1565		2183
1566	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1567		2185
1568	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1570	};	2189	};
1571		2190
1572	if ($uniq) {	2191	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2192	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1581	my ($self) = @_;	2200	my ($self) = @_;
1582		2201
1583	# save first because save cedes	2202	# save first because save cedes
1584	$self->save;	2203	$self->save;
1585		2204
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2205	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2206
1588	return if $self->players;	2207	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2208	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};	2209	return if $self->{deny_save};
1591		2210
		2211	$self->in_memory (cf::MAP_SWAPPED);
		2212
		2213	$self->deactivate;
		2214	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2215	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2216	}
1595		2217
1596	sub reset_at {	2218	sub reset_at {
1597	my ($self) = @_;	2219	my ($self) = @_;
1598		2220
1599	# TODO: safety, remove and allow resettable per-player maps	2221	# 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};	2222	return 1e99 if $self->{deny_reset};
1602		2223
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2224	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2225	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2226
…		…
1616	my ($self) = @_;	2237	my ($self) = @_;
1617		2238
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2239	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2240
1620	return if $self->players;	2241	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2242
1623	warn "resetting map ", $self->path;#d#	2243	warn "resetting map ", $self->path;
1624		2244
1625	$self->in_memory (cf::MAP_SWAPPED);	2245	$self->in_memory (cf::MAP_SWAPPED);
1626		2246
1627	# need to save uniques path	2247	# need to save uniques path
1628	unless ($self->{deny_save}) {	2248	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2252	if $uniq;
1633	}	2253	}
1634		2254
1635	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1636		2256
		2257	$self->deactivate;
		2258	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2259	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2260
1641	$self->unlink_save;	2261	$self->unlink_save;
1642	$self->destroy;	2262	$self->destroy;
1643	}	2263	}
1644		2264
1645	my $nuke_counter = "aaaa";	2265	my $nuke_counter = "aaaa";
1646		2266
1647	sub nuke {	2267	sub nuke {
1648	my ($self) = @_;	2268	my ($self) = @_;
1649		2269
		2270	{
		2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2272
1650	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1651		2274
1652	$self->unlink_save;	2275	$self->unlink_save;
1653		2276
1654	bless $self, "cf::map";	2277	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2278	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2279	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2280	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2281	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2282
1660	$cf::MAP{$self->path} = $self;	2283	$cf::MAP{$self->path} = $self;
		2284	}
1661		2285
1662	$self->reset; # polite request, might not happen	2286	$self->reset; # polite request, might not happen
		2287	}
		2288
		2289	=item $maps = cf::map::tmp_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	maps. May block.
		2293
		2294	=cut
		2295
		2296	sub tmp_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise $_
		2302	: ()
		2303	} @{ aio_readdir $TMPDIR or [] }
		2304	]
		2305	}
		2306
		2307	=item $maps = cf::map::random_maps
		2308
		2309	Returns an arrayref with all map paths of currently instantiated and saved
		2310	random maps. May block.
		2311
		2312	=cut
		2313
		2314	sub random_maps() {
		2315	[
		2316	map {
		2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise "?random/$_"
		2320	: ()
		2321	} @{ aio_readdir $RANDOMDIR or [] }
		2322	]
1663	}	2323	}
1664		2324
1665	=item cf::map::unique_maps	2325	=item cf::map::unique_maps
1666		2326
1667	Returns an arrayref of paths of all shared maps that have	2327	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2328	instantiated unique items. May block.
1669		2329
1670	=cut	2330	=cut
1671		2331
1672	sub unique_maps() {	2332	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2333	[
1674	or return;	2334	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2335	utf8::decode $_;
1680	next if /\.pst$/;	2336	/\.map$/
1681	next unless /^$PATH_SEP/o;	2337	? normalise $_
1682		2338	: ()
1683	push @paths, cf::map::normalise $_;	2339	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2340	]
1685
1686	\@paths
1687	}	2341	}
1688		2342
1689	package cf;	2343	package cf;
1690		2344
1691	=back	2345	=back
…		…
1709	map { $_, inv_recursive_ $_->inv } @_	2363	map { $_, inv_recursive_ $_->inv } @_
1710	}	2364	}
1711		2365
1712	sub inv_recursive {	2366	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2367	inv_recursive_ inv $_[0]
		2368	}
		2369
		2370	=item $ref = $ob->ref
		2371
		2372	creates and returns a persistent reference to an objetc that can be stored as a string.
		2373
		2374	=item $ob = cf::object::deref ($refstring)
		2375
		2376	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2377	even if the object actually exists. May block.
		2378
		2379	=cut
		2380
		2381	sub deref {
		2382	my ($ref) = @_;
		2383
		2384	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2385	my ($uuid, $name) = ($1, $2);
		2386	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2387	or return;
		2388	$pl->ob->uuid eq $uuid
		2389	or return;
		2390
		2391	$pl->ob
		2392	} else {
		2393	warn "$ref: cannot resolve object reference\n";
		2394	undef
		2395	}
1714	}	2396	}
1715		2397
1716	package cf;	2398	package cf;
1717		2399
1718	=back	2400	=back
…		…
1737		2419
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2421
1740	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1742	} else {	2425	} else {
		2426	my $pl = $self->contr;
		2427
		2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2429	my $dialog = $pl->{npc_dialog};
		2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2431
		2432	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2434	$self->message ($msg, $flags);
		2435	}
1745	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
1746	}	2447	}
1747		2448
1748	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1749		2450
1750	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1797	$self->deactivate_recursive;	2498	$self->deactivate_recursive;
1798		2499
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2500	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2501
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2503	if $self->map && $self->map->{path} ne "{link}";
1803		2504
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2505	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2506	}
1806		2507
1807	sub cf::object::player::leave_link {	2508	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2509	my ($self, $map, $x, $y) = @_;
		2510
		2511	return unless $self->contr->active;
1809		2512
1810	my $link_pos = delete $self->{_link_pos};	2513	my $link_pos = delete $self->{_link_pos};
1811		2514
1812	unless ($map) {	2515	unless ($map) {
1813	# restore original map position	2516	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2530	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2531	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2532	if $x <=0 && $y <= 0;
1830		2533
1831	$map->load;	2534	$map->load;
1832	$map->load_diag;	2535	$map->load_neighbours;
1833		2536
1834	return unless $self->contr->active;	2537	return unless $self->contr->active;
1835	$self->activate_recursive;	2538	$self->activate_recursive;
1836		2539
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1839	}	2542	}
1840		2543
1841	cf::player->attach (	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2545
1845	# abort map switching before logout	2546	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2547	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2549	the new (success) or old (failed) map position. In either case, $done will
1849	};	2550	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2551
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	2552	=cut
		2553
		2554	our $GOTOGEN;
1876		2555
1877	sub cf::object::player::goto {	2556	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2557	my ($self, $path, $x, $y, $check, $done) = @_;
		2558
		2559	# do generation counting so two concurrent goto's will be executed in-order
		2560	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2561
1880	$self->enter_link;	2562	$self->enter_link;
1881		2563
1882	(async {	2564	(async {
		2565	$Coro::current->{desc} = "player::goto $path $x $y";
		2566
		2567	# *tag paths override both path and x|y
		2568	if ($path =~ /^\*(.*)$/) {
		2569	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2570	my $ob = $obs[rand @obs];
		2571
		2572	# see if we actually can go there
		2573	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2574	$ob = $obs[rand @obs];
		2575	} else {
		2576	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2577	}
		2578	# else put us there anyways for now #d#
		2579
		2580	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2581	} else {
		2582	($path, $x, $y) = (undef, undef, undef);
		2583	}
		2584	}
		2585
1883	my $map = eval {	2586	my $map = eval {
1884	my $map = cf::map::find $path;	2587	my $map = defined $path ? cf::map::find $path : undef;
		2588
		2589	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2590	$map = $map->customise_for ($self);
		2591	$map = $check->($map) if $check && $map;
		2592	} else {
		2593	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	}
		2595
1886	$map	2596	$map
		2597	};
		2598
		2599	if ($@) {
		2600	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2601	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2602	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2603
		2604	if ($gen == $self->{_goto_generation}) {
		2605	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2606	$self->leave_link ($map, $x, $y);
		2607	}
		2608
		2609	$done->() if $done;
1891	})->prio (1);	2610	})->prio (1);
1892	}	2611	}
1893		2612
1894	=item $player_object->enter_exit ($exit_object)	2613	=item $player_object->enter_exit ($exit_object)
1895		2614
…		…
1932	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
1933	}	2652	}
1934		2653
1935	$rmp->{random_seed} ||= $exit->random_seed;	2654	$rmp->{random_seed} ||= $exit->random_seed;
1936		2655
1937	my $data = cf::to_json $rmp;	2656	my $data = cf::encode_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2657	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2658	my $meta = "$RANDOMDIR/$md5.meta";
1940		2659
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2660	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2661	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2662	undef $fh;
1944	aio_rename "$meta~", $meta;	2663	aio_rename "$meta~", $meta;
…		…
1953		2672
1954	return unless $self->type == cf::PLAYER;	2673	return unless $self->type == cf::PLAYER;
1955		2674
1956	if ($exit->slaying eq "/!") {	2675	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2676	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2677	# the problem is that $exit might not survive long enough
		2678	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2679	cf::sync_job { prepare_random_map $exit };
1959	}	2680	}
1960		2681
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2682	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2683	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2684	my $sp = $exit->stats->sp;
1964		2685
1965	$self->enter_link;	2686	$self->enter_link;
1966		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($slaying, $hp, $sp)
		2690	if $exit->flag (FLAG_DAMNED);
		2691
1967	(async {	2692	(async {
		2693	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2694
1968	$self->deactivate_recursive; # just to be sure	2695	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2696	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2697	$self->goto ($slaying, $hp, $sp);
1971		2698
1972	1;	2699	1;
1973	}) {	2700	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2705
1979	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2707	$self->leave_link;
1981	}	2708	}
1982	})->prio (1);	2709	})->prio (1);
…		…
1998		2725
1999	utf8::encode $text;	2726	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2728	}
2002		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/uptime" => {
		2778	id => "infobox",
		2779	title => "Uptime",
		2780	reply => undef,
		2781	tooltip => "How long the server has been running since last restart",
		2782	},
		2783	"c/mapinfo" => {
		2784	id => "infobox",
		2785	title => "Map Info",
		2786	reply => undef,
		2787	tooltip => "Information related to the maps",
		2788	},
		2789	);
		2790
		2791	sub cf::client::send_msg {
		2792	my ($self, $channel, $msg, $color, @extra) = @_;
		2793
		2794	$msg = $self->pl->expand_cfpod ($msg);
		2795
		2796	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2797
		2798	# check predefined channels, for the benefit of C
		2799	if ($CHANNEL{$channel}) {
		2800	$channel = $CHANNEL{$channel};
		2801
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804
		2805	$channel = $channel->{id};
		2806
		2807	} elsif (ref $channel) {
		2808	# send meta info to client, if not yet sent
		2809	unless (exists $self->{channel}{$channel->{id}}) {
		2810	$self->{channel}{$channel->{id}} = $channel;
		2811	$self->ext_msg (channel_info => $channel)
		2812	if $self->can_msg;
		2813	}
		2814
		2815	$channel = $channel->{id};
		2816	}
		2817
		2818	return unless @extra || length $msg;
		2819
		2820	if ($self->can_msg) {
		2821	# default colour, mask it out
		2822	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2823	if $color & cf::NDI_DEF;
		2824
		2825	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2827	} else {
		2828	if ($color >= 0) {
		2829	# replace some tags by gcfclient-compatible ones
		2830	for ($msg) {
		2831	1 while
		2832	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2833	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2834	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2835	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2836	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2837	}
		2838
		2839	$color &= cf::NDI_COLOR_MASK;
		2840
		2841	utf8::encode $msg;
		2842
		2843	if (0 && $msg =~ /\[/) {
		2844	# COMMAND/INFO
		2845	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2846	} else {
		2847	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2848	$self->send_packet ("drawinfo $color $msg")
		2849	}
		2850	}
		2851	}
		2852	}
		2853
		2854	=item $client->ext_msg ($type, @msg)
		2855
		2856	Sends an ext event to the client.
		2857
		2858	=cut
		2859
		2860	sub cf::client::ext_msg($$@) {
		2861	my ($self, $type, @msg) = @_;
		2862
		2863	if ($self->extcmd == 2) {
		2864	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2865	} elsif ($self->extcmd == 1) { # TODO: remove
		2866	push @msg, msgtype => "event_$type";
		2867	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2868	}
		2869	}
		2870
		2871	=item $client->ext_reply ($msgid, @msg)
		2872
		2873	Sends an ext reply to the client.
		2874
		2875	=cut
		2876
		2877	sub cf::client::ext_reply($$@) {
		2878	my ($self, $id, @msg) = @_;
		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2882	} elsif ($self->extcmd == 1) {
		2883	#TODO: version 1, remove
		2884	unshift @msg, msgtype => "reply", msgid => $id;
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2886	}
		2887	}
2003		2888
2004	=item $success = $client->query ($flags, "text", \&cb)	2889	=item $success = $client->query ($flags, "text", \&cb)
2005		2890
2006	Queues a query to the client, calling the given callback with	2891	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>,	2892	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>.	2893	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2894
2010	Queries can fail, so check the return code. Or don't, as queries will become	2895	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2896	become reliable at some point in the future.
2012		2897
2013	=cut	2898	=cut
2014		2899
2015	sub cf::client::query {	2900	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2901	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2909	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2910	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2911
2027	$self->send_packet ($self->{query_queue}[0][0])	2912	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2913	if @{ $self->{query_queue} } == 1;
		2914
		2915	1
2029	}	2916	}
2030		2917
2031	cf::client->attach (	2918	cf::client->attach (
		2919	on_connect => sub {
		2920	my ($ns) = @_;
		2921
		2922	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2923	},
2032	on_reply => sub {	2924	on_reply => sub {
2033	my ($ns, $msg) = @_;	2925	my ($ns, $msg) = @_;
2034		2926
2035	# this weird shuffling is so that direct followup queries	2927	# this weird shuffling is so that direct followup queries
2036	# get handled first	2928	# get handled first
…		…
2048	} else {	2940	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2941	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2942	}
2051	}	2943	}
2052	},	2944	},
		2945	on_exticmd => sub {
		2946	my ($ns, $buf) = @_;
		2947
		2948	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2949
		2950	if (ref $msg) {
		2951	my ($type, $reply, @payload) =
		2952	"ARRAY" eq ref $msg
		2953	? @$msg
		2954	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2955
		2956	my @reply;
		2957
		2958	if (my $cb = $EXTICMD{$type}) {
		2959	@reply = $cb->($ns, @payload);
		2960	}
		2961
		2962	$ns->ext_reply ($reply, @reply)
		2963	if $reply;
		2964
		2965	} else {
		2966	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2967	}
		2968
		2969	cf::override;
		2970	},
2053	);	2971	);
2054		2972
2055	=item $client->async (\&cb)	2973	=item $client->async (\&cb)
2056		2974
2057	Create a new coroutine, running the specified callback. The coroutine will	2975	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	3016	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3017	our $safe_hole = new Safe::Hole;
2100		3018
2101	$SIG{FPE} = 'IGNORE';	3019	$SIG{FPE} = 'IGNORE';
2102		3020
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3021	$safe->permit_only (Opcode::opset qw(
		3022	:base_core :base_mem :base_orig :base_math
		3023	grepstart grepwhile mapstart mapwhile
		3024	sort time
		3025	));
2104		3026
2105	# here we export the classes and methods available to script code	3027	# here we export the classes and methods available to script code
2106		3028
2107	=pod	3029	=pod
2108		3030
2109	The following fucntions and emthods are available within a safe environment:	3031	The following functions and methods are available within a safe environment:
2110		3032
2111	cf::object contr pay_amount pay_player map	3033	cf::object
		3034	contr pay_amount pay_player map x y force_find force_add destroy
		3035	insert remove name archname title slaying race decrease_ob_nr
		3036
2112	cf::object::player player	3037	cf::object::player
2113	cf::player peaceful	3038	player
2114	cf::map trigger	3039
		3040	cf::player
		3041	peaceful
		3042
		3043	cf::map
		3044	trigger
2115		3045
2116	=cut	3046	=cut
2117		3047
2118	for (	3048	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3049	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3050	insert remove inv name archname title slaying race
		3051	decrease_ob_nr destroy)],
2120	["cf::object::player" => qw(player)],	3052	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3053	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	3054	["cf::map" => qw(trigger)],
2123	) {	3055	) {
2124	no strict 'refs';	3056	no strict 'refs';
…		…
2195	=back	3127	=back
2196		3128
2197	=cut	3129	=cut
2198		3130
2199	#############################################################################	3131	#############################################################################
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 $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	3132	# the server's init and main functions
2273		3133
2274	sub load_faces {	3134	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3135	my ($path) = @_;
2276		3136
		3137	# HACK to clear player env face cache, we need some signal framework
		3138	# for this (global event?)
		3139	%ext::player_env::MUSIC_FACE_CACHE = ();
		3140
		3141	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3142
2277	warn "loading faces from $path\n";	3143	warn "loading facedata from $path\n";
2278		3144
2279	my $faces;	3145	my $facedata;
2280	0 < aio_load $path, $faces	3146	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3147	or die "$path: $!";
2282		3148
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3149	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3150
		3151	$facedata->{version} == 2
		3152	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3153
		3154	# patch in the exptable
		3155	$facedata->{resource}{"res/exp_table"} = {
		3156	type => FT_RSRC,
		3157	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3158	};
		3159	cf::cede_to_tick;
		3160
		3161	{
		3162	my $faces = $facedata->{faceinfo};
		3163
2287	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3165	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3166
		3167	cf::face::set_visibility $idx, $info->{visibility};
		3168	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3169	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2291	Coro::cede;	3170	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2292	}
2293		3171
		3172	cf::cede_to_tick;
		3173	}
		3174
2294	while (my ($face, $info) = each %$faces) {	3175	while (my ($face, $info) = each %$faces) {
2295	next unless $info->{smooth};	3176	next unless $info->{smooth};
		3177
2296	my $idx = cf::face::find $face	3178	my $idx = cf::face::find $face
2297	or next;	3179	or next;
		3180
2298	if (my $smooth = cf::face::find $info->{smooth}) {	3181	if (my $smooth = cf::face::find $info->{smooth}) {
2299	cf::face::set_smooth $idx, $smooth;	3182	cf::face::set_smooth $idx, $smooth;
2300	warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#	3183	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2301	} else {	3184	} else {
2302	warn "smooth face '$info->{smooth}' not found for face '$face'";	3185	warn "smooth face '$info->{smooth}' not found for face '$face'";
2303	}	3186	}
2304	Coro::cede;	3187
		3188	cf::cede_to_tick;
		3189	}
		3190	}
		3191
2305	}	3192	{
		3193	my $anims = $facedata->{animinfo};
		3194
		3195	while (my ($anim, $info) = each %$anims) {
		3196	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3197	cf::cede_to_tick;
		3198	}
		3199
		3200	cf::anim::invalidate_all; # d'oh
		3201	}
		3202
		3203	{
		3204	# TODO: for gcfclient pleasure, we should give resources
		3205	# that gcfclient doesn't grok a >10000 face index.
		3206	my $res = $facedata->{resource};
		3207
		3208	while (my ($name, $info) = each %$res) {
		3209	if (defined $info->{type}) {
		3210	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3211	my $data;
		3212
		3213	if ($info->{type} & 1) {
		3214	# prepend meta info
		3215
		3216	my $meta = $enc->encode ({
		3217	name => $name,
		3218	%{ $info->{meta} || {} },
		3219	});
		3220
		3221	$data = pack "(w/a*)*", $meta, $info->{data};
		3222	} else {
		3223	$data = $info->{data};
		3224	}
		3225
		3226	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3227	cf::face::set_type $idx, $info->{type};
		3228	} else {
		3229	$RESOURCE{$name} = $info;
		3230	}
		3231
		3232	cf::cede_to_tick;
		3233	}
		3234	}
		3235
		3236	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2306		3237
2307	1	3238	1
2308	}	3239	}
2309		3240
		3241	cf::global->attach (on_resource_update => sub {
		3242	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3243	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3244
		3245	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3246	my $sound = $soundconf->{compat}[$_]
		3247	or next;
		3248
		3249	my $face = cf::face::find "sound/$sound->[1]";
		3250	cf::sound::set $sound->[0] => $face;
		3251	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3252	}
		3253
		3254	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3255	my $face = cf::face::find "sound/$v";
		3256	cf::sound::set $k => $face;
		3257	}
		3258	}
		3259	});
		3260
		3261	register_exticmd fx_want => sub {
		3262	my ($ns, $want) = @_;
		3263
		3264	while (my ($k, $v) = each %$want) {
		3265	$ns->fx_want ($k, $v);
		3266	}
		3267	};
		3268
		3269	sub reload_regions {
		3270	# HACK to clear player env face cache, we need some signal framework
		3271	# for this (global event?)
		3272	%ext::player_env::MUSIC_FACE_CACHE = ();
		3273
		3274	load_resource_file "$MAPDIR/regions"
		3275	or die "unable to load regions file\n";
		3276
		3277	for (cf::region::list) {
		3278	$_->{match} = qr/$_->{match}/
		3279	if exists $_->{match};
		3280	}
		3281	}
		3282
		3283	sub reload_facedata {
		3284	load_facedata "$DATADIR/facedata"
		3285	or die "unable to load facedata\n";
		3286	}
		3287
		3288	sub reload_archetypes {
		3289	load_resource_file "$DATADIR/archetypes"
		3290	or die "unable to load archetypes\n";
		3291	#d# NEED to laod twice to resolve forward references
		3292	# this really needs to be done in an extra post-pass
		3293	# (which needs to be synchronous, so solve it differently)
		3294	load_resource_file "$DATADIR/archetypes"
		3295	or die "unable to load archetypes\n";
		3296	}
		3297
		3298	sub reload_treasures {
		3299	load_resource_file "$DATADIR/treasures"
		3300	or die "unable to load treasurelists\n";
		3301	}
		3302
2310	sub reload_resources {	3303	sub reload_resources {
2311	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3304	warn "reloading resource files...\n";
2312	or die "unable to load regions file\n";#d#	3305
		3306	reload_regions;
2313	load_faces	3307	reload_facedata;
2314	or die "unable to load faces\n";#d#	3308	#reload_archetypes;#d#
		3309	reload_archetypes;
		3310	reload_treasures;
		3311
		3312	warn "finished reloading resource files\n";
2315	}	3313	}
2316		3314
2317	sub init {	3315	sub init {
2318	reload_resources;	3316	reload_resources;
2319	}	3317	}
2320		3318
2321	sub cfg_load {	3319	sub reload_config {
2322	open my $fh, "<:utf8", cf::confdir . "/config"	3320	open my $fh, "<:utf8", "$CONFDIR/config"
2323	or return;	3321	or return;
2324		3322
2325	local $/;	3323	local $/;
2326	*CFG = YAML::Syck::Load <$fh>;	3324	*CFG = YAML::Load <$fh>;
2327		3325
2328	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3326	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2329		3327
2330	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3328	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2331	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3329	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2342	sub main {	3340	sub main {
2343	# we must not ever block the main coroutine	3341	# we must not ever block the main coroutine
2344	local $Coro::idle = sub {	3342	local $Coro::idle = sub {
2345	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3343	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2346	(async {	3344	(async {
2347	Event::one_event;	3345	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3346	EV::loop EV::LOOP_ONESHOT;
2348	})->prio (Coro::PRIO_MAX);	3347	})->prio (Coro::PRIO_MAX);
2349	};	3348	};
2350		3349
2351	cfg_load;	3350	reload_config;
2352	db_init;	3351	db_init;
2353	load_extensions;	3352	load_extensions;
2354		3353
2355	$TICK_WATCHER->start;	3354	$TICK_WATCHER->start;
		3355	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2356	Event::loop;	3356	EV::loop;
2357	}	3357	}
2358		3358
2359	#############################################################################	3359	#############################################################################
2360	# initialisation and cleanup	3360	# initialisation and cleanup
2361		3361
2362	# install some emergency cleanup handlers	3362	# install some emergency cleanup handlers
2363	BEGIN {	3363	BEGIN {
		3364	our %SIGWATCHER = ();
2364	for my $signal (qw(INT HUP TERM)) {	3365	for my $signal (qw(INT HUP TERM)) {
2365	Event->signal (	3366	$SIGWATCHER{$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";	3367	cf::cleanup "SIG$signal";
2372	},
2373	);	3368	};
		3369	}
		3370	}
		3371
		3372	sub write_runtime {
		3373	my $runtime = "$LOCALDIR/runtime";
		3374
		3375	# first touch the runtime file to show we are still running:
		3376	# the fsync below can take a very very long time.
		3377
		3378	IO::AIO::aio_utime $runtime, undef, undef;
		3379
		3380	my $guard = cf::lock_acquire "write_runtime";
		3381
		3382	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3383	or return;
		3384
		3385	my $value = $cf::RUNTIME + 90 + 10;
		3386	# 10 is the runtime save interval, for a monotonic clock
		3387	# 60 allows for the watchdog to kill the server.
		3388
		3389	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3390	and return;
		3391
		3392	# always fsync - this file is important
		3393	aio_fsync $fh
		3394	and return;
		3395
		3396	# touch it again to show we are up-to-date
		3397	aio_utime $fh, undef, undef;
		3398
		3399	close $fh
		3400	or return;
		3401
		3402	aio_rename "$runtime~", $runtime
		3403	and return;
		3404
		3405	warn "runtime file written.\n";
		3406
2374	}	3407	1
2375	}	3408	}
2376		3409
2377	sub emergency_save() {	3410	sub emergency_save() {
2378	my $freeze_guard = cf::freeze_mainloop;	3411	my $freeze_guard = cf::freeze_mainloop;
2379		3412
…		…
2385	# and maps saved/destroyed asynchronously.	3418	# and maps saved/destroyed asynchronously.
2386	warn "begin emergency player save\n";	3419	warn "begin emergency player save\n";
2387	for my $login (keys %cf::PLAYER) {	3420	for my $login (keys %cf::PLAYER) {
2388	my $pl = $cf::PLAYER{$login} or next;	3421	my $pl = $cf::PLAYER{$login} or next;
2389	$pl->valid or next;	3422	$pl->valid or next;
		3423	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2390	$pl->save;	3424	$pl->save;
2391	}	3425	}
2392	warn "end emergency player save\n";	3426	warn "end emergency player save\n";
2393		3427
2394	warn "begin emergency map save\n";	3428	warn "begin emergency map save\n";
…		…
2412		3446
2413	warn Carp::longmess "post_cleanup backtrace"	3447	warn Carp::longmess "post_cleanup backtrace"
2414	if $make_core;	3448	if $make_core;
2415	}	3449	}
2416		3450
2417	sub reload() {	3451	sub do_reload_perl() {
2418	# can/must only be called in main	3452	# can/must only be called in main
2419	if ($Coro::current != $Coro::main) {	3453	if ($Coro::current != $Coro::main) {
2420	warn "can only reload from main coroutine";	3454	warn "can only reload from main coroutine";
2421	return;	3455	return;
2422	}	3456	}
…		…
2433	warn "syncing database to disk";	3467	warn "syncing database to disk";
2434	BDB::db_env_txn_checkpoint $DB_ENV;	3468	BDB::db_env_txn_checkpoint $DB_ENV;
2435		3469
2436	# if anything goes wrong in here, we should simply crash as we already saved	3470	# if anything goes wrong in here, we should simply crash as we already saved
2437		3471
2438	warn "cancelling all WF_AUTOCANCEL watchers";
2439	for (Event::all_watchers) {
2440	$_->cancel if $_->data & WF_AUTOCANCEL;
2441	}
2442
2443	warn "flushing outstanding aio requests";	3472	warn "flushing outstanding aio requests";
2444	for (;;) {	3473	for (;;) {
2445	BDB::flush;	3474	BDB::flush;
2446	IO::AIO::flush;	3475	IO::AIO::flush;
2447	Coro::cede;	3476	Coro::cede_notself;
2448	last unless IO::AIO::nreqs || BDB::nreqs;	3477	last unless IO::AIO::nreqs || BDB::nreqs;
2449	warn "iterate...";	3478	warn "iterate...";
2450	}	3479	}
2451		3480
2452	++$RELOAD;	3481	++$RELOAD;
…		…
2456	%EXT_CORO = ();	3485	%EXT_CORO = ();
2457		3486
2458	warn "removing commands";	3487	warn "removing commands";
2459	%COMMAND = ();	3488	%COMMAND = ();
2460		3489
2461	warn "removing ext commands";	3490	warn "removing ext/exti commands";
2462	%EXTCMD = ();	3491	%EXTCMD = ();
		3492	%EXTICMD = ();
2463		3493
2464	warn "unloading/nuking all extensions";	3494	warn "unloading/nuking all extensions";
2465	for my $pkg (@EXTS) {	3495	for my $pkg (@EXTS) {
2466	warn "... unloading $pkg";	3496	warn "... unloading $pkg";
2467		3497
…		…
2497	Symbol::delete_package "safe::$_"	3527	Symbol::delete_package "safe::$_"
2498	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2499		3529
2500	warn "unloading cf.pm \"a bit\"";	3530	warn "unloading cf.pm \"a bit\"";
2501	delete $INC{"cf.pm"};	3531	delete $INC{"cf.pm"};
		3532	delete $INC{"cf/pod.pm"};
2502		3533
2503	# don't, removes xs symbols, too,	3534	# don't, removes xs symbols, too,
2504	# and global variables created in xs	3535	# and global variables created in xs
2505	#Symbol::delete_package __PACKAGE__;	3536	#Symbol::delete_package __PACKAGE__;
2506		3537
…		…
2509	warn "reloading cf.pm";	3540	warn "reloading cf.pm";
2510	require cf;	3541	require cf;
2511	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3542	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2512		3543
2513	warn "loading config and database again";	3544	warn "loading config and database again";
2514	cf::cfg_load;	3545	cf::reload_config;
2515		3546
2516	warn "loading extensions";	3547	warn "loading extensions";
2517	cf::load_extensions;	3548	cf::load_extensions;
2518		3549
2519	warn "reattaching attachments to objects/players";	3550	warn "reattaching attachments to objects/players";
…		…
2521	warn "reattaching attachments to maps";	3552	warn "reattaching attachments to maps";
2522	reattach $_ for values %MAP;	3553	reattach $_ for values %MAP;
2523	warn "reattaching attachments to players";	3554	warn "reattaching attachments to players";
2524	reattach $_ for values %PLAYER;	3555	reattach $_ for values %PLAYER;
2525		3556
2526	warn "loading reloadable resources";
2527	reload_resources;
2528
2529	warn "leaving sync_job";	3557	warn "leaving sync_job";
2530		3558
2531	1	3559	1
2532	} or do {	3560	} or do {
2533	warn $@;	3561	warn $@;
2534	warn "error while reloading, exiting.";	3562	cf::cleanup "error while reloading, exiting.";
2535	exit 1;
2536	};	3563	};
2537		3564
2538	warn "reloaded";	3565	warn "reloaded";
2539	};	3566	};
2540		3567
2541	our $RELOAD_WATCHER; # used only during reload	3568	our $RELOAD_WATCHER; # used only during reload
2542		3569
		3570	sub reload_perl() {
		3571	# doing reload synchronously and two reloads happen back-to-back,
		3572	# coro crashes during coro_state_free->destroy here.
		3573
		3574	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3575	do_reload_perl;
		3576	undef $RELOAD_WATCHER;
		3577	};
		3578	}
		3579
2543	register_command "reload" => sub {	3580	register_command "reload" => sub {
2544	my ($who, $arg) = @_;	3581	my ($who, $arg) = @_;
2545		3582
2546	if ($who->flag (FLAG_WIZ)) {	3583	if ($who->flag (FLAG_WIZ)) {
2547	$who->message ("reloading server.");	3584	$who->message ("reloading server.");
2548		3585	async {
2549	# doing reload synchronously and two reloads happen back-to-back,	3586	$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;	3587	reload_perl;
2558	undef $RELOAD_WATCHER;
2559	},
2560	);	3588	};
2561	}	3589	}
2562	};	3590	};
2563		3591
2564	unshift @INC, $LIBDIR;	3592	unshift @INC, $LIBDIR;
2565		3593
2566	my $bug_warning = 0;	3594	my $bug_warning = 0;
2567		3595
2568	$TICK_WATCHER = Event->timer (	3596	our @WAIT_FOR_TICK;
2569	reentrant => 0,	3597	our @WAIT_FOR_TICK_BEGIN;
2570	parked => 1,	3598
2571	prio => 0,	3599	sub wait_for_tick {
2572	at => $NEXT_TICK || $TICK,	3600	return unless $TICK_WATCHER->is_active;
2573	data => WF_AUTOCANCEL,	3601	return if $Coro::current == $Coro::main;
2574	cb => sub {	3602
		3603	my $signal = new Coro::Signal;
		3604	push @WAIT_FOR_TICK, $signal;
		3605	$signal->wait;
		3606	}
		3607
		3608	sub wait_for_tick_begin {
		3609	return unless $TICK_WATCHER->is_active;
		3610	return if $Coro::current == $Coro::main;
		3611
		3612	my $signal = new Coro::Signal;
		3613	push @WAIT_FOR_TICK_BEGIN, $signal;
		3614	$signal->wait;
		3615	}
		3616
		3617	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2575	if ($Coro::current != $Coro::main) {	3618	if ($Coro::current != $Coro::main) {
2576	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3619	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2577	unless ++$bug_warning > 10;	3620	unless ++$bug_warning > 10;
2578	return;	3621	return;
2579	}	3622	}
2580		3623
2581	$NOW = Event::time;	3624	$NOW = $tick_start = EV::now;
2582		3625
2583	cf::server_tick; # one server iteration	3626	cf::server_tick; # one server iteration
		3627
2584	$RUNTIME += $TICK;	3628	$RUNTIME += $TICK;
2585	$NEXT_TICK += $TICK;	3629	$NEXT_TICK = $_[0]->at;
2586		3630
2587	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3631	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2588	$NEXT_RUNTIME_WRITE = $NOW + 10;	3632	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2589	Coro::async_pool {	3633	Coro::async_pool {
		3634	$Coro::current->{desc} = "runtime saver";
2590	write_runtime	3635	write_runtime
2591	or warn "ERROR: unable to write runtime file: $!";	3636	or warn "ERROR: unable to write runtime file: $!";
2592	};
2593	}	3637	};
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	},	3638	}
2607	);	3639
		3640	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3641	$sig->send;
		3642	}
		3643	while (my $sig = shift @WAIT_FOR_TICK) {
		3644	$sig->send;
		3645	}
		3646
		3647	$LOAD = ($NOW - $tick_start) / $TICK;
		3648	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3649
		3650	_post_tick;
		3651	};
		3652	$TICK_WATCHER->priority (EV::MAXPRI);
2608		3653
2609	{	3654	{
2610	BDB::max_poll_time $TICK * 0.1;	3655	# configure BDB
2611	$BDB_POLL_WATCHER = Event->io (	3656
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;	3657	BDB::min_parallel 8;
2620		3658	BDB::max_poll_reqs $TICK * 0.1;
2621	BDB::set_sync_prepare {	3659	$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	$! = $status;
2632	},
2633	)
2634	};
2635		3660
2636	unless ($DB_ENV) {	3661	unless ($DB_ENV) {
2637	$DB_ENV = BDB::db_env_create;	3662	$DB_ENV = BDB::db_env_create;
		3663	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3664	| BDB::LOG_AUTOREMOVE, 1);
		3665	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3666	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2638		3667
2639	cf::sync_job {	3668	cf::sync_job {
2640	eval {	3669	eval {
2641	BDB::db_env_open	3670	BDB::db_env_open
2642	$DB_ENV,	3671	$DB_ENV,
2643	$BDB_ENV_DIR,	3672	$BDBDIR,
2644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3673	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3674	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2646	0666;	3675	0666;
2647		3676
2648	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3677	cf::cleanup "db_env_open($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	};	3678	};
2653		3679
2654	cf::cleanup "db_env_open(db): $@" if $@;	3680	cf::cleanup "db_env_open(db): $@" if $@;
2655	};	3681	};
2656	}	3682	}
		3683
		3684	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3685	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3686	};
		3687	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3688	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3689	};
		3690	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3691	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3692	};
2657	}	3693	}
2658		3694
2659	{	3695	{
		3696	# configure IO::AIO
		3697
2660	IO::AIO::min_parallel 8;	3698	IO::AIO::min_parallel 8;
2661
2662	undef $Coro::AIO::WATCHER;
2663	IO::AIO::max_poll_time $TICK * 0.1;	3699	IO::AIO::max_poll_time $TICK * 0.1;
2664	$AIO_POLL_WATCHER = Event->io (	3700	$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	}	3701	}
		3702
		3703	my $_log_backtrace;
		3704
		3705	sub _log_backtrace {
		3706	my ($msg, @addr) = @_;
		3707
		3708	$msg =~ s/\n//;
		3709
		3710	# limit the # of concurrent backtraces
		3711	if ($_log_backtrace < 2) {
		3712	++$_log_backtrace;
		3713	async {
		3714	$Coro::current->{desc} = "abt $msg";
		3715
		3716	my @bt = fork_call {
		3717	@addr = map { sprintf "%x", $_ } @addr;
		3718	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3719	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3720	or die "addr2line: $!";
		3721
		3722	my @funcs;
		3723	my @res = <$fh>;
		3724	chomp for @res;
		3725	while (@res) {
		3726	my ($func, $line) = splice @res, 0, 2, ();
		3727	push @funcs, "[$func] $line";
		3728	}
		3729
		3730	@funcs
		3731	};
		3732
		3733	LOG llevInfo, "[ABT] $msg\n";
		3734	LOG llevInfo, "[ABT] $_\n" for @bt;
		3735	--$_log_backtrace;
		3736	};
		3737	} else {
		3738	LOG llevInfo, "[ABT] $msg\n";
		3739	LOG llevInfo, "[ABT] [suppressed]\n";
		3740	}
		3741	}
		3742
		3743	# load additional modules
		3744	use cf::pod;
2673		3745
2674	END { cf::emergency_save }	3746	END { cf::emergency_save }
2675		3747
2676	1	3748	1
2677		3749

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