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/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.228 by root, Mon Mar 26 16:53:33 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;
26	use YAML::Syck ();	32	use YAML ();
27	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
28	use Time::HiRes;	34	use Time::HiRes;
29	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
30		37
31	# configure various modules to our taste	38	# configure various modules to our taste
32	#	39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
33	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
34	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
35		43
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		45
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		47
45	our %COMMAND = ();	48	our %COMMAND = ();
46	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
47		50
48	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
52		56
53	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
54	our @EVENT;	58	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		59
57	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(!)
58	our $TICK_WATCHER;	74	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	77	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		79
65	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	84	our $DB_ENV;
67		85
68	our %CFG;	86	our %CFG;
69		87
70	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
72		91
73	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		95
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $tick_start; # for load detecting purposes
		102
85	binmode STDOUT;	103	binmode STDOUT;
86	binmode STDERR;	104	binmode STDERR;
87		105
88	# read virtual server time, if available	106	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
93	}	111	}
94		112
95	mkdir cf::localdir;	113	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		115
102	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
103		117
104	sub cf::map::normalise;	118	sub cf::map::normalise;
105		119
…		…
116	=item $cf::RUNTIME	130	=item $cf::RUNTIME
117		131
118	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
119	every server tick.	133	every server tick.
120		134
121	=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
122		138
123	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		143
126	=item $cf::NOW	144	=item $cf::NOW
127		145
128	The time of the last (current) server tick.	146	The time of the last (current) server tick.
129		147
130	=item $cf::TICK	148	=item $cf::TICK
131		149
132	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	162	=item %cf::CFG
135		163
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	165	from wherever your confdir points to.
138		166
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		168
141	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
142	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
143	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.
144	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.
145		178
146	=back	179	=back
147		180
148	=cut	181	=cut
149		182
150	BEGIN {	183	BEGIN {
151	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	185	my $msg = join "", @_;
153	utf8::encode $msg;
154		186
155	$msg .= "\n"	187	$msg .= "\n"
156	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
157		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
158	LOG llevError, $msg;	192	LOG llevError, $msg;
159	};	193	};
160	}	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#?
161		210
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		218
169	# 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
170	# within the Safe compartment.	220	# within the Safe compartment.
171	for my $pkg (qw(	221	for my $pkg (qw(
172	cf::global cf::attachable	222	cf::global cf::attachable
…		…
177	)) {	227	)) {
178	no strict 'refs';	228	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	230	}
181		231
182	$Event::DIED = sub {	232	$EV::DIED = sub {
183	warn "error in event callback: @_";	233	warn "error in event callback: @_";
184	};	234	};
		235
		236	#############################################################################
185		237
186	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
187		239
188	=over 4	240	=over 4
189		241
…		…
208	$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;
209	$d	261	$d
210	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
211	}	263	}
212		264
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
216		266
217	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
218		268
219	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
220		270
221	Converts a perl data structure into its JSON representation.	271	Converts a perl data structure into its JSON representation.
		272
		273	=cut
		274
		275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		276
		277	sub encode_json($) { $json_coder->encode ($_[0]) }
		278	sub decode_json($) { $json_coder->decode ($_[0]) }
222		279
223	=item cf::lock_wait $string	280	=item cf::lock_wait $string
224		281
225	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
226		283
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	288	for example when the coroutine gets canceled), the lock is automatically
232	returned.	289	returned.
233		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
234	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
235	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
236		296
		297	=item $locked = cf::lock_active $string
		298
		299	Return true if the lock is currently active, i.e. somebody has locked it.
		300
237	=cut	301	=cut
238		302
239	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
240		305
241	sub lock_wait($) {	306	sub lock_wait($) {
242	my ($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#
243		313
244	# wait for lock, if any	314	# wait for lock, if any
245	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	317	Coro::schedule;
…		…
253		323
254	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
255	lock_wait $key;	325	lock_wait $key;
256		326
257	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
258		329
259	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
262	}	334	}
		335	}
		336
		337	sub lock_active($) {
		338	my ($key) = @_;
		339
		340	! ! $LOCK{$key}
263	}	341	}
264		342
265	sub freeze_mainloop {	343	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	344	return unless $TICK_WATCHER->is_active;
267		345
…		…
270	};	348	};
271	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
272	$guard	350	$guard
273	}	351	}
274		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	$sig->wait;
		424	}
		425
275	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
276		427
277	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	429	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279	thing you are allowed to do is call C<prio> on it.	430	thing you are allowed to do is call C<prio> on it.
…		…
282		433
283	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
284		435
285	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
286		437
287	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
290		442
291	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
294	fast or be very important.	446	fast or be very important.
…		…
297		449
298	sub sync_job(&) {	450	sub sync_job(&) {
299	my ($job) = @_;	451	my ($job) = @_;
300		452
301	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
		454	my $time = EV::time;
		455
302	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
304		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
305	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	462	# (but this is cancel-safe)
307	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
308		464
309	my $busy = 1;	465	my $busy = 1;
310	my @res;	466	my @res;
311		467
312	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	470	@res = eval { $job->() };
314	warn $@ if $@;	471	warn $@ if $@;
315	undef $busy;	472	undef $busy;
316	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
317		474
318	while ($busy) {	475	while ($busy) {
319	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
320	}	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
321		489
322	wantarray ? @res : $res[0]	490	wantarray ? @res : $res[0]
323	} else {	491	} else {
324	# we are in another coroutine, how wonderful, everything just works	492	# we are in another coroutine, how wonderful, everything just works
325		493
…		…
345	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
346		514
347	$coro	515	$coro
348	}	516	}
349		517
350	sub write_runtime {	518	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		519
353	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.
354		524
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	525	=cut
356	or return;
357		526
358	my $value = $cf::RUNTIME + 90 + 10;	527	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	528	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		529
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	530	# we seemingly have to make a local copy of the whole thing,
363	and return;	531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
364		533
365	# always fsync - this file is important	534	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	535	reset_signals;
367	and return;	536	&$cb
		537	}, @args;
368		538
369	close $fh	539	wantarray ? @res : $res[-1]
370	or return;	540	}
371		541
372	aio_rename "$runtime~", $runtime	542	=item $value = cf::db_get $family => $key
373	and return;
374		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($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
375	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		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 });
376	}	678	}
377		679
378	=back	680	=back
379		681
380	=cut	682	=cut
…		…
387	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")
388	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
389		691
390	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>
391	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
392	crossfire+).	694	Deliantra).
393		695
394	=over 4	696	=over 4
395		697
396	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
397		699
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	862	$registry = $CB_TYPE[$object_type] ||= [];
561		863
562	} elsif ($type eq "subtype") {	864	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	865	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	866	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	867	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		868
567	} elsif ($type eq "package") {	869	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	870	my $pkg = shift @arg;
569		871
570	while (my ($name, $id) = each %cb_id) {	872	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
600	}	902	}
601		903
602	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
603	} else {	905	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	907	}
606		908
607	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
608	}	910	}
609		911
…		…
611	if (ref $_[0]) {	913	if (ref $_[0]) {
612	_object_attach @_;	914	_object_attach @_;
613	} else {	915	} else {
614	_attach shift->_attach_registry, @_;	916	_attach shift->_attach_registry, @_;
615	}	917	}
		918	_recalc_want;
616	};	919	};
617		920
618	# all those should be optimised	921	# all those should be optimised
619	sub cf::attachable::detach {	922	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	926	delete $obj->{_attachment}{$name};
624	reattach ($obj);	927	reattach ($obj);
625	} else {	928	} else {
626	Carp::croak "cannot, currently, detach class attachments";	929	Carp::croak "cannot, currently, detach class attachments";
627	}	930	}
		931	_recalc_want;
628	};	932	};
629		933
630	sub cf::attachable::attached {	934	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
632		936
…		…
647	";	951	";
648	die if $@;	952	die if $@;
649	}	953	}
650		954
651	our $override;	955	our $override;
652	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?
653		957
654	sub override {	958	sub override {
655	$override = 1;	959	$override = 1;
656	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
657	}	961	}
658		962
659	sub do_invoke {	963	sub do_invoke {
660	my $event = shift;	964	my $event = shift;
661	my $callbacks = shift;	965	my $callbacks = shift;
662		966
663	@invoke_results = ();	967	@INVOKE_RESULTS = ();
664		968
665	local $override;	969	local $override;
666		970
667	for (@$callbacks) {	971	for (@$callbacks) {
668	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
677	}	981	}
678		982
679	0	983	0
680	}	984	}
681		985
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		987
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		989
686	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
687		991
688	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
689	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
690	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		995
692	=back	996	=back
693		997
694	=cut	998	=cut
695		999
696	#############################################################################	1000	#############################################################################
697	# 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, $ob2
		1043	}
698		1044
699	sub reattach {	1045	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1047	my ($obj) = @_;
702		1048
…		…
723	cf::attachable->attach (	1069	cf::attachable->attach (
724	prio => -1000000,	1070	prio => -1000000,
725	on_instantiate => sub {	1071	on_instantiate => sub {
726	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
727		1073
728	$data = from_json $data;	1074	$data = decode_json $data;
729		1075
730	for (@$data) {	1076	for (@$data) {
731	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
732		1078
733	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1095	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
751		1097
752	sync_job {	1098	sync_job {
753	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
756		1103
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1107	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1108	close $fh;
762		1109
763	if (@$objs) {	1110	if (@$objs) {
764	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) {
765	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1115	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1116	close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
771	}	1118	}
…		…
779	}	1126	}
780	} else {	1127	} else {
781	aio_unlink $filename;	1128	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
783	}	1130	}
784	}	1131	};
785	}	1132	}
786		1133
787	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
789		1136
…		…
801	or return;	1148	or return;
802		1149
803	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
805	or return;	1152	or return;
		1153
806	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
807	}	1156	}
808		1157
		1158	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
811	return ($data, $av);	1162	($data, $av)
812	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
813		1170
814	#############################################################################	1171	#############################################################################
815	# command handling &c	1172	# command handling &c
816		1173
817	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1188	}
832		1189
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1191
835	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.
836		1197
837	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
838	called.	1199	called.
839		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
840	=cut	1212	=cut
841		1213
842	sub register_extcmd {	1214	sub register_extcmd {
843	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
844		1216
845	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
846	}	1224	}
847		1225
848	cf::player->attach (	1226	cf::player->attach (
849	on_command => sub {	1227	on_command => sub {
850	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
859	cf::override;	1237	cf::override;
860	},	1238	},
861	on_extcmd => sub {	1239	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
863		1241
864	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1243
866	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
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
872	} else {	1259	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1261	}
875		1262
876	cf::override;	1263	cf::override;
877	},	1264	},
878	);	1265	);
879		1266
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
915	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1272	next unless -r $path;
917	eval {	1273
918	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	$progress = 1;
919	1	1330	}
920	} or warn "$ext not loaded: $@";	1331
		1332	skip:
		1333	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1334	unless $progress;
		1335	}
921	}	1336	};
922	}	1337	}
923		1338
924	#############################################################################	1339	#############################################################################
925		1340
		1341	=back
		1342
926	=head2 CORE EXTENSIONS	1343	=head2 CORE EXTENSIONS
927		1344
928	Functions and methods that extend core crossfire objects.	1345	Functions and methods that extend core crossfire objects.
929		1346
930	=cut	1347	=cut
…		…
935		1352
936	=head3 cf::player	1353	=head3 cf::player
937		1354
938	=over 4	1355	=over 4
939		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
940	=item cf::player::find $login	1371	=item cf::player::find $login
941		1372
942	Returns the given player object, loading it if necessary (might block).	1373	Returns the given player object, loading it if necessary (might block).
943		1374
944	=cut	1375	=cut
945		1376
946	sub playerdir($) {	1377	sub playerdir($) {
947	cf::localdir	1378	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1379	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1380	}
953		1381
954	sub path($) {	1382	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1383	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1384
957	(playerdir $login) . "/$login.pl"	1385	(playerdir $login) . "/playerdata"
958	}	1386	}
959		1387
960	sub find_active($) {	1388	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1389	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1390	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1403	my $login = $_[0];
976		1404
977	my $guard = cf::lock_acquire "user_find:$login";	1405	my $guard = cf::lock_acquire "user_find:$login";
978		1406
979	$cf::PLAYER{$_[0]} || do {	1407	$cf::PLAYER{$_[0]} || do {
980	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
981	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;
982	$cf::PLAYER{$login} = $pl	1422	$cf::PLAYER{$login} = $pl
983	}	1423	}
984	}	1424	}
985	}	1425	}
986		1426
…		…
996		1436
997	aio_mkdir playerdir $pl, 0770;	1437	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1438	$pl->{last_save} = $cf::RUNTIME;
999		1439
1000	$pl->save_pl ($path);	1440	$pl->save_pl ($path);
1001	Coro::cede;	1441	cf::cede_to_tick;
1002	}	1442	}
1003		1443
1004	sub new($) {	1444	sub new($) {
1005	my ($login) = @_;	1445	my ($login) = @_;
1006		1446
…		…
1010	$self->{deny_save} = 1;	1450	$self->{deny_save} = 1;
1011		1451
1012	$cf::PLAYER{$login} = $self;	1452	$cf::PLAYER{$login} = $self;
1013		1453
1014	$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 (@_);
1015	}	1465	}
1016		1466
1017	=item $pl->quit_character	1467	=item $pl->quit_character
1018		1468
1019	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
…		…
1068	while and may block, so not sync_job-capable, ever.	1518	while and may block, so not sync_job-capable, ever.
1069		1519
1070	=cut	1520	=cut
1071		1521
1072	sub list_logins {	1522	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1523	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1524	or return [];
1075		1525
1076	my @logins;	1526	my @logins;
1077		1527
1078	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") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1533	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1534	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1535	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1536	}
1082		1537
1083	utf8::decode $login;	1538	utf8::decode $login;
1084	push @logins, $login;	1539	push @logins, $login;
1085	}	1540	}
1086		1541
…		…
1113	}	1568	}
1114		1569
1115	\@paths	1570	\@paths
1116	}	1571	}
1117		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
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1666	=item $player->ext_reply ($msgid, @msg)
1119		1667
1120	Sends an ext reply to the player.	1668	Sends an ext reply to the player.
1121		1669
1122	=cut	1670	=cut
1123		1671
1124	sub ext_reply($$$%) {	1672	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1673	my ($self, $id, @msg) = @_;
1126		1674
1127	$msg{msgid} = $id;	1675	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1676	}
1131		1677
1132	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	$match
		1717	}
1133		1718
1134	=back	1719	=back
1135
1136		1720
1137	=head3 cf::map	1721	=head3 cf::map
1138		1722
1139	=over 4	1723	=over 4
1140		1724
…		…
1195	my ($self, $merge) = @_;	1779	my ($self, $merge) = @_;
1196		1780
1197	# we have to keep some variables in memory intact	1781	# we have to keep some variables in memory intact
1198	local $self->{path};	1782	local $self->{path};
1199	local $self->{load_path};	1783	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1784
1203	$self->SUPER::thawer_merge ($merge);	1785	$self->SUPER::thawer_merge ($merge);
1204	}	1786	}
1205		1787
1206	sub normalise {	1788	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1835	$self->init; # pass $1 etc.
1254	return $self;	1836	return $self;
1255	}	1837	}
1256	}	1838	}
1257		1839
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1840	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1841	()
1260	}	1842	}
1261		1843
1262	sub init {	1844	sub init {
1263	my ($self) = @_;	1845	my ($self) = @_;
…		…
1278		1860
1279	# the original (read-only) location	1861	# the original (read-only) location
1280	sub load_path {	1862	sub load_path {
1281	my ($self) = @_;	1863	my ($self) = @_;
1282		1864
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1865	"$MAPDIR/$self->{path}.map"
1284	}	1866	}
1285		1867
1286	# the temporary/swap location	1868	# the temporary/swap location
1287	sub save_path {	1869	sub save_path {
1288	my ($self) = @_;	1870	my ($self) = @_;
1289		1871
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1872	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1873	"$TMPDIR/$path.map"
1292	}	1874	}
1293		1875
1294	# the unique path, undef == no special unique path	1876	# the unique path, undef == no special unique path
1295	sub uniq_path {	1877	sub uniq_path {
1296	my ($self) = @_;	1878	my ($self) = @_;
1297		1879
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1881	"$UNIQUEDIR/$path"
1300	}	1882	}
1301		1883
1302	# and all this just because we cannot iterate over	1884	# and all this just because we cannot iterate over
1303	# all maps in C++...	1885	# all maps in C++...
1304	sub change_all_map_light {	1886	sub change_all_map_light {
…		…
1306		1888
1307	$_->change_map_light ($change)	1889	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1890	for grep $_->outdoor, values %cf::MAP;
1309	}	1891	}
1310		1892
		1893	sub decay_objects {
		1894	my ($self) = @_;
		1895
		1896	return if $self->{deny_reset};
		1897
		1898	$self->do_decay_objects;
		1899	}
		1900
1311	sub unlink_save {	1901	sub unlink_save {
1312	my ($self) = @_;	1902	my ($self) = @_;
1313		1903
1314	utf8::encode (my $save = $self->save_path);	1904	utf8::encode (my $save = $self->save_path);
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1905	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1318		1908
1319	sub load_header_from($) {	1909	sub load_header_from($) {
1320	my ($self, $path) = @_;	1910	my ($self, $path) = @_;
1321		1911
1322	utf8::encode $path;	1912	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1913	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	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;
1328		1921
1329	$self->{load_path} = $path;	1922	$self->{load_path} = $path;
1330		1923
1331	1	1924	1
1332	}	1925	}
…		…
1371	$self->load_header_orig	1964	$self->load_header_orig
1372	or return;	1965	or return;
1373	$self->prepare_orig;	1966	$self->prepare_orig;
1374	}	1967	}
1375		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 $self->default_region;
		1974
1376	1	1975	1
1377	}	1976	}
1378		1977
1379	sub find;	1978	sub find;
1380	sub find {	1979	sub find {
1381	my ($path, $origin) = @_;	1980	my ($path, $origin) = @_;
1382		1981
1383	$path = normalise $path, $origin && $origin->path;	1982	$path = normalise $path, $origin && $origin->path;
1384		1983
		1984	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1985	cf::lock_wait "map_find:$path";
1386		1986
1387	$cf::MAP{$path} || do {	1987	$cf::MAP{$path} || do {
1388	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
1389	my $map = new_from_path cf::map $path	1991	my $map = new_from_path cf::map $path
1390	or return;	1992	or return;
1391		1993
1392	$map->{last_save} = $cf::RUNTIME;	1994	$map->{last_save} = $cf::RUNTIME;
1393		1995
1394	$map->load_header	1996	$map->load_header
1395	or return;	1997	or return;
1396		1998
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1999	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2000	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2001	#$cf::WAIT_FOR_TICK->wait;
		2002	undef $guard1;
		2003	undef $guard2;
1400	$map->reset;	2004	$map->reset;
1401	undef $guard;
1402	return find $path;	2005	return find $path;
1403	}	2006	}
1404		2007
1405	$cf::MAP{$path} = $map	2008	$cf::MAP{$path} = $map
1406	}	2009	}
…		…
1413	my ($self) = @_;	2016	my ($self) = @_;
1414		2017
1415	local $self->{deny_reset} = 1; # loading can take a long time	2018	local $self->{deny_reset} = 1; # loading can take a long time
1416		2019
1417	my $path = $self->{path};	2020	my $path = $self->{path};
		2021
		2022	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2023	my $guard = cf::lock_acquire "map_data:$path";
1419		2024
		2025	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2026	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2027
1422	$self->in_memory (cf::MAP_LOADING);	2028	$self->in_memory (cf::MAP_LOADING);
1423		2029
1424	$self->alloc;	2030	$self->alloc;
1425		2031
1426	$self->pre_load;	2032	$self->pre_load;
		2033	cf::cede_to_tick;
1427		2034
1428	$self->_load_objects ($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)
1429	or return;	2038	or return;
1430		2039
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2040	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	2041	if delete $self->{load_original};
1433		2042
1434	if (my $uniq = $self->uniq_path) {	2043	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2044	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2045	unless (aio_stat $uniq) {
		2046	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2047	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2048	$self->_load_objects ($f);
		2049	$f->resolve_delayed_derefs;
		2050	}
1439	}	2051	}
1440	}	2052	}
1441		2053
1442	Coro::cede;	2054	$f->resolve_delayed_derefs;
1443		2055
		2056	cf::cede_to_tick;
1444	# now do the right thing for maps	2057	# now do the right thing for maps
1445	$self->link_multipart_objects;	2058	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2059	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2060	unless $self->difficulty;
1455	Coro::cede;	2061	cf::cede_to_tick;
		2062
		2063	unless ($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;
1456	$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);
1457	}	2077	}
1458		2078
1459	$self->post_load;	2079	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2080	}
1463		2081
1464	sub customise_for {	2082	sub customise_for {
1465	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1466		2084
1467	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2086	if $self->per_player;
1469		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1470	$self	2091	$self
1471	}	2092	}
1472		2093
1473	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2095	sub load_neighbours {
1475	my ($map) = @_;	2096	my ($map) = @_;
1476		2097
1477	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1478		2099
1479	for (0 .. 3) {	2100	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1481	or next;	2102	or next;
1482	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1483	or next;	2104	or next;
1484	$neigh->load;	2105	$neigh->load;
1485		2106
		2107	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2110	}
1489		2111
1490	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1492	or next;	2115	or next;
1493	$neigh->load;	2116	$neigh->load;
1494	}	2117	}
1495	}	2118	}
1496		2119
…		…
1501	}	2124	}
1502		2125
1503	sub do_load_sync {	2126	sub do_load_sync {
1504	my ($map) = @_;	2127	my ($map) = @_;
1505		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1506	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1507	}	2133	}
1508		2134
1509	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1511		2137
1512	sub find_async {	2138	sub find_async {
1513	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1514		2140
1515	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1516		2142
1517	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2145	}
1520		2146
1521	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1522	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1523	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2154	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2155	$map->load if $v;
		2156	}
1528		2157
1529	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1530	}	2159	}
1531	}	2160	}
1532	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1533	};	2162	};
1534	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2166	}
1538		2167
1539	sub save {	2168	sub save {
1540	my ($self) = @_;	2169	my ($self) = @_;
1541		2170
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2172
1544	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1545		2174
1546	return unless $self->dirty;	2175	return unless $self->dirty;
1547		2176
…		…
1553	return if $self->{deny_save};	2182	return if $self->{deny_save};
1554		2183
1555	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1556		2185
1557	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1559	};	2189	};
1560		2190
1561	if ($uniq) {	2191	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2192	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1570	my ($self) = @_;	2200	my ($self) = @_;
1571		2201
1572	# save first because save cedes	2202	# save first because save cedes
1573	$self->save;	2203	$self->save;
1574		2204
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2205	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2206
1577	return if $self->players;	2207	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2208	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2209	return if $self->{deny_save};
1580		2210
		2211	$self->in_memory (cf::MAP_SWAPPED);
		2212
		2213	$self->deactivate;
		2214	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2215	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2216	}
1584		2217
1585	sub reset_at {	2218	sub reset_at {
1586	my ($self) = @_;	2219	my ($self) = @_;
1587		2220
1588	# TODO: safety, remove and allow resettable per-player maps	2221	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2222	return 1e99 if $self->{deny_reset};
1591		2223
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2224	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2225	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2226
…		…
1605	my ($self) = @_;	2237	my ($self) = @_;
1606		2238
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2239	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2240
1609	return if $self->players;	2241	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2242
1612	warn "resetting map ", $self->path;#d#	2243	warn "resetting map ", $self->path;
1613		2244
1614	$self->in_memory (cf::MAP_SWAPPED);	2245	$self->in_memory (cf::MAP_SWAPPED);
1615		2246
1616	# need to save uniques path	2247	# need to save uniques path
1617	unless ($self->{deny_save}) {	2248	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2252	if $uniq;
1622	}	2253	}
1623		2254
1624	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1625		2256
		2257	$self->deactivate;
		2258	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2259	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2260
1630	$self->unlink_save;	2261	$self->unlink_save;
1631	$self->destroy;	2262	$self->destroy;
1632	}	2263	}
1633		2264
1634	my $nuke_counter = "aaaa";	2265	my $nuke_counter = "aaaa";
1635		2266
1636	sub nuke {	2267	sub nuke {
1637	my ($self) = @_;	2268	my ($self) = @_;
1638		2269
		2270	{
		2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2272
1639	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1640		2274
1641	$self->unlink_save;	2275	$self->unlink_save;
1642		2276
1643	bless $self, "cf::map";	2277	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2278	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2279	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2280	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2281	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2282
1649	$cf::MAP{$self->path} = $self;	2283	$cf::MAP{$self->path} = $self;
		2284	}
1650		2285
1651	$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	]
1652	}	2323	}
1653		2324
1654	=item cf::map::unique_maps	2325	=item cf::map::unique_maps
1655		2326
1656	Returns an arrayref of paths of all shared maps that have	2327	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2328	instantiated unique items. May block.
1658		2329
1659	=cut	2330	=cut
1660		2331
1661	sub unique_maps() {	2332	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2333	[
1663	or return;	2334	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2335	utf8::decode $_;
1669	next if /\.pst$/;	2336	/\.map$/
1670	next unless /^$PATH_SEP/o;	2337	? normalise $_
1671		2338	: ()
1672	push @paths, cf::map::normalise $_;	2339	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2340	]
1674
1675	\@paths
1676	}	2341	}
1677		2342
1678	package cf;	2343	package cf;
1679		2344
1680	=back	2345	=back
…		…
1698	map { $_, inv_recursive_ $_->inv } @_	2363	map { $_, inv_recursive_ $_->inv } @_
1699	}	2364	}
1700		2365
1701	sub inv_recursive {	2366	sub inv_recursive {
1702	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	}
1703	}	2396	}
1704		2397
1705	package cf;	2398	package cf;
1706		2399
1707	=back	2400	=back
…		…
1726		2419
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2421
1729	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1731	} 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 {
1732	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2434	$self->message ($msg, $flags);
		2435	}
1734	}	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 (@_);
1735	}	2447	}
1736		2448
1737	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1738		2450
1739	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2498	$self->deactivate_recursive;
1787		2499
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2500	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2501
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2503	if $self->map && $self->map->{path} ne "{link}";
1792		2504
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2505	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2506	}
1795		2507
1796	sub cf::object::player::leave_link {	2508	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2509	my ($self, $map, $x, $y) = @_;
		2510
		2511	return unless $self->contr->active;
1798		2512
1799	my $link_pos = delete $self->{_link_pos};	2513	my $link_pos = delete $self->{_link_pos};
1800		2514
1801	unless ($map) {	2515	unless ($map) {
1802	# restore original map position	2516	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2530	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2531	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2532	if $x <=0 && $y <= 0;
1819		2533
1820	$map->load;	2534	$map->load;
1821	$map->load_diag;	2535	$map->load_neighbours;
1822		2536
1823	return unless $self->contr->active;	2537	return unless $self->contr->active;
1824	$self->activate_recursive;	2538	$self->activate_recursive;
1825		2539
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1828	}	2542	}
1829		2543
1830	cf::player->attach (	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2545
1834	# abort map switching before logout	2546	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2547	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2549	the new (success) or old (failed) map position. In either case, $done will
1838	};	2550	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2551
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2552	=cut
		2553
		2554	our $GOTOGEN;
1865		2555
1866	sub cf::object::player::goto {	2556	sub cf::object::player::goto {
1867	my ($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;
1868		2561
1869	$self->enter_link;	2562	$self->enter_link;
1870		2563
1871	(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
1872	my $map = eval {	2586	my $map = eval {
1873	my $map = cf::map::find $path;	2587	my $map = defined $path ? cf::map::find $path : undef;
		2588
		2589	if ($map) {
1874	$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
1875	$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 $@;
1876	} or	2602	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2603
		2604	if ($gen == $self->{_goto_generation}) {
		2605	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2606	$self->leave_link ($map, $x, $y);
		2607	}
		2608
		2609	$done->() if $done;
1880	})->prio (1);	2610	})->prio (1);
1881	}	2611	}
1882		2612
1883	=item $player_object->enter_exit ($exit_object)	2613	=item $player_object->enter_exit ($exit_object)
1884		2614
…		…
1921	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
1922	}	2652	}
1923		2653
1924	$rmp->{random_seed} ||= $exit->random_seed;	2654	$rmp->{random_seed} ||= $exit->random_seed;
1925		2655
1926	my $data = cf::to_json $rmp;	2656	my $data = cf::encode_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2657	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2658	my $meta = "$RANDOMDIR/$md5.meta";
1929		2659
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2660	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2661	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2662	undef $fh;
1933	aio_rename "$meta~", $meta;	2663	aio_rename "$meta~", $meta;
…		…
1942		2672
1943	return unless $self->type == cf::PLAYER;	2673	return unless $self->type == cf::PLAYER;
1944		2674
1945	if ($exit->slaying eq "/!") {	2675	if ($exit->slaying eq "/!") {
1946	#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
1947	cf::sync_job { prepare_random_map $exit };	2679	cf::sync_job { prepare_random_map $exit };
1948	}	2680	}
1949		2681
1950	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;
1951	my $hp = $exit->stats->hp;	2683	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2684	my $sp = $exit->stats->sp;
1953		2685
1954	$self->enter_link;	2686	$self->enter_link;
1955		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
1956	(async {	2692	(async {
		2693	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2694
1957	$self->deactivate_recursive; # just to be sure	2695	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2696	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2697	$self->goto ($slaying, $hp, $sp);
1960		2698
1961	1;	2699	1;
1962	}) {	2700	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "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. "
1965	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2705
1968	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2707	$self->leave_link;
1970	}	2708	}
1971	})->prio (1);	2709	})->prio (1);
…		…
1987		2725
1988	utf8::encode $text;	2726	utf8::encode $text;
1989	$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);
1990	}	2728	}
1991		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	}
1992		2888
1993	=item $success = $client->query ($flags, "text", \&cb)	2889	=item $success = $client->query ($flags, "text", \&cb)
1994		2890
1995	Queues a query to the client, calling the given callback with	2891	Queues a query to the client, calling the given callback with
1996	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>,
1997	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>.
1998		2894
1999	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
2000	reliable at some point in the future.	2896	become reliable at some point in the future.
2001		2897
2002	=cut	2898	=cut
2003		2899
2004	sub cf::client::query {	2900	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2901	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2909	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2910	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2911
2016	$self->send_packet ($self->{query_queue}[0][0])	2912	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2913	if @{ $self->{query_queue} } == 1;
		2914
		2915	1
2018	}	2916	}
2019		2917
2020	cf::client->attach (	2918	cf::client->attach (
		2919	on_connect => sub {
		2920	my ($ns) = @_;
		2921
		2922	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2923	},
2021	on_reply => sub {	2924	on_reply => sub {
2022	my ($ns, $msg) = @_;	2925	my ($ns, $msg) = @_;
2023		2926
2024	# this weird shuffling is so that direct followup queries	2927	# this weird shuffling is so that direct followup queries
2025	# get handled first	2928	# get handled first
…		…
2037	} else {	2940	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2941	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2942	}
2040	}	2943	}
2041	},	2944	},
		2945	on_exticmd => sub {
		2946	my ($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	},
2042	);	2971	);
2043		2972
2044	=item $client->async (\&cb)	2973	=item $client->async (\&cb)
2045		2974
2046	Create a new coroutine, running the specified callback. The coroutine will	2975	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3016	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3017	our $safe_hole = new Safe::Hole;
2089		3018
2090	$SIG{FPE} = 'IGNORE';	3019	$SIG{FPE} = 'IGNORE';
2091		3020
2092	$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	));
2093		3026
2094	# here we export the classes and methods available to script code	3027	# here we export the classes and methods available to script code
2095		3028
2096	=pod	3029	=pod
2097		3030
2098	The following functions and methods are available within a safe environment:	3031	The following functions and methods are available within a safe environment:
2099		3032
2100	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
2101	cf::object::player player	3037	cf::object::player
2102	cf::player peaceful	3038	player
2103	cf::map trigger	3039
		3040	cf::player
		3041	peaceful
		3042
		3043	cf::map
		3044	trigger
2104		3045
2105	=cut	3046	=cut
2106		3047
2107	for (	3048	for (
2108	["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)],
2109	["cf::object::player" => qw(player)],	3052	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3053	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3054	["cf::map" => qw(trigger)],
2112	) {	3055	) {
2113	no strict 'refs';	3056	no strict 'refs';
…		…
2184	=back	3127	=back
2185		3128
2186	=cut	3129	=cut
2187		3130
2188	#############################################################################	3131	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3132	# the server's init and main functions
2262		3133
2263	sub load_faces {	3134	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3135	my ($path) = @_;
2265		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
2266	warn "loading faces from $path\n";	3143	warn "loading facedata from $path\n";
2267		3144
2268	my $faces;	3145	my $facedata;
2269	0 < aio_load $path, $faces	3146	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3147	or die "$path: $!";
2271		3148
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3149	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3150
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3151	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3152	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		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 = $facedata->{faceinfo};
		3163
2280	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3165	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	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};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3169	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	Coro::cede;	3170	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	}
2286		3171
		3172	cf::cede_to_tick;
		3173	}
		3174
2287	while (my ($face, $info) = each %$faces) {	3175	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3176	next unless $info->{smooth};
		3177
2289	my $idx = cf::face::find $face	3178	my $idx = cf::face::find $face
2290	or next;	3179	or next;
		3180
2291	if (my $smooth = cf::face::find $info->{smooth}) {	3181	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	3182	cf::face::set_smooth $idx, $smooth;
		3183	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	3184	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	3185	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	3186	}
2296	Coro::cede;	3187
		3188	cf::cede_to_tick;
		3189	}
		3190	}
		3191
2297	}	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);
2298		3237
2299	1	3238	1
2300	}	3239	}
2301		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
2302	sub reload_resources {	3303	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3304	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3305
		3306	reload_regions;
2305	load_faces	3307	reload_facedata;
2306	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";
2307	}	3313	}
2308		3314
2309	sub init {	3315	sub init {
2310	reload_resources;	3316	reload_resources;
2311	}	3317	}
2312		3318
2313	sub cfg_load {	3319	sub reload_config {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3320	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3321	or return;
2316		3322
2317	local $/;	3323	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3324	*CFG = YAML::Load <$fh>;
2319		3325
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3326	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2321		3327
2322	$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};
2323	$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};
…		…
2334	sub main {	3340	sub main {
2335	# we must not ever block the main coroutine	3341	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3342	local $Coro::idle = sub {
2337	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#
2338	(async {	3344	(async {
2339	Event::one_event;	3345	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3346	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3347	})->prio (Coro::PRIO_MAX);
2341	};	3348	};
2342		3349
2343	cfg_load;	3350	reload_config;
2344	db_init;	3351	db_init;
2345	load_extensions;	3352	load_extensions;
2346		3353
2347	$TICK_WATCHER->start;	3354	$TICK_WATCHER->start;
		3355	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2348	Event::loop;	3356	EV::loop;
2349	}	3357	}
2350		3358
2351	#############################################################################	3359	#############################################################################
2352	# initialisation and cleanup	3360	# initialisation and cleanup
2353		3361
2354	# install some emergency cleanup handlers	3362	# install some emergency cleanup handlers
2355	BEGIN {	3363	BEGIN {
		3364	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3365	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3366	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3367	cf::cleanup "SIG$signal";
2364	},
2365	);	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
2366	}	3407	1
2367	}	3408	}
2368		3409
2369	sub emergency_save() {	3410	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3411	my $freeze_guard = cf::freeze_mainloop;
2371		3412
…		…
2377	# and maps saved/destroyed asynchronously.	3418	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3419	warn "begin emergency player save\n";
2379	for my $login (keys %cf::PLAYER) {	3420	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3421	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3422	$pl->valid or next;
		3423	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3424	$pl->save;
2383	}	3425	}
2384	warn "end emergency player save\n";	3426	warn "end emergency player save\n";
2385		3427
2386	warn "begin emergency map save\n";	3428	warn "begin emergency map save\n";
…		…
2404		3446
2405	warn Carp::longmess "post_cleanup backtrace"	3447	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3448	if $make_core;
2407	}	3449	}
2408		3450
2409	sub reload() {	3451	sub do_reload_perl() {
2410	# can/must only be called in main	3452	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3453	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3454	warn "can only reload from main coroutine";
2413	return;	3455	return;
2414	}	3456	}
…		…
2425	warn "syncing database to disk";	3467	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;	3468	BDB::db_env_txn_checkpoint $DB_ENV;
2427		3469
2428	# 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
2429		3471
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";	3472	warn "flushing outstanding aio requests";
2436	for (;;) {	3473	for (;;) {
2437	BDB::flush;	3474	BDB::flush;
2438	IO::AIO::flush;	3475	IO::AIO::flush;
2439	Coro::cede;	3476	Coro::cede_notself;
2440	last unless IO::AIO::nreqs || BDB::nreqs;	3477	last unless IO::AIO::nreqs || BDB::nreqs;
2441	warn "iterate...";	3478	warn "iterate...";
2442	}	3479	}
2443		3480
2444	++$RELOAD;	3481	++$RELOAD;
…		…
2448	%EXT_CORO = ();	3485	%EXT_CORO = ();
2449		3486
2450	warn "removing commands";	3487	warn "removing commands";
2451	%COMMAND = ();	3488	%COMMAND = ();
2452		3489
2453	warn "removing ext commands";	3490	warn "removing ext/exti commands";
2454	%EXTCMD = ();	3491	%EXTCMD = ();
		3492	%EXTICMD = ();
2455		3493
2456	warn "unloading/nuking all extensions";	3494	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3495	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3496	warn "... unloading $pkg";
2459		3497
…		…
2489	Symbol::delete_package "safe::$_"	3527	Symbol::delete_package "safe::$_"
2490	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);
2491		3529
2492	warn "unloading cf.pm \"a bit\"";	3530	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3531	delete $INC{"cf.pm"};
		3532	delete $INC{"cf/pod.pm"};
2494		3533
2495	# don't, removes xs symbols, too,	3534	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3535	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3536	#Symbol::delete_package __PACKAGE__;
2498		3537
…		…
2501	warn "reloading cf.pm";	3540	warn "reloading cf.pm";
2502	require cf;	3541	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3542	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2504		3543
2505	warn "loading config and database again";	3544	warn "loading config and database again";
2506	cf::cfg_load;	3545	cf::reload_config;
2507		3546
2508	warn "loading extensions";	3547	warn "loading extensions";
2509	cf::load_extensions;	3548	cf::load_extensions;
2510		3549
2511	warn "reattaching attachments to objects/players";	3550	warn "reattaching attachments to objects/players";
…		…
2513	warn "reattaching attachments to maps";	3552	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3553	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3554	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3555	reattach $_ for values %PLAYER;
2517		3556
2518	warn "loading reloadable resources";
2519	reload_resources;
2520
2521	warn "leaving sync_job";	3557	warn "leaving sync_job";
2522		3558
2523	1	3559	1
2524	} or do {	3560	} or do {
2525	warn $@;	3561	warn $@;
2526	warn "error while reloading, exiting.";	3562	cf::cleanup "error while reloading, exiting.";
2527	exit 1;
2528	};	3563	};
2529		3564
2530	warn "reloaded";	3565	warn "reloaded";
2531	};	3566	};
2532		3567
2533	our $RELOAD_WATCHER; # used only during reload	3568	our $RELOAD_WATCHER; # used only during reload
2534		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 $RELOAD_WATCHER;
		3577	};
		3578	}
		3579
2535	register_command "reload" => sub {	3580	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3581	my ($who, $arg) = @_;
2537		3582
2538	if ($who->flag (FLAG_WIZ)) {	3583	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3584	$who->message ("reloading server.");
2540		3585	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	3586	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	3587	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	3588	};
2553	}	3589	}
2554	};	3590	};
2555		3591
2556	unshift @INC, $LIBDIR;	3592	unshift @INC, $LIBDIR;
2557		3593
2558	my $bug_warning = 0;	3594	my $bug_warning = 0;
2559		3595
2560	$TICK_WATCHER = Event->timer (	3596	our @WAIT_FOR_TICK;
2561	reentrant => 0,	3597	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	3598
2563	prio => 0,	3599	sub wait_for_tick {
2564	at => $NEXT_TICK || $TICK,	3600	return unless $TICK_WATCHER->is_active;
2565	data => WF_AUTOCANCEL,	3601	return if $Coro::current == $Coro::main;
2566	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, $TICK, 0, sub {
2567	if ($Coro::current != $Coro::main) {	3618	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3619	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	3620	unless ++$bug_warning > 10;
2570	return;	3621	return;
2571	}	3622	}
2572		3623
2573	$NOW = Event::time;	3624	$NOW = $tick_start = EV::now;
2574		3625
2575	cf::server_tick; # one server iteration	3626	cf::server_tick; # one server iteration
		3627
2576	$RUNTIME += $TICK;	3628	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;	3629	$NEXT_TICK = $_[0]->at;
2578		3630
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3631	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3632	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	3633	Coro::async_pool {
		3634	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	3635	write_runtime
2583	or warn "ERROR: unable to write runtime file: $!";	3636	or warn "ERROR: unable to write runtime file: $!";
2584	};
2585	}	3637	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	3638	}
2599	);	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);
2600		3653
2601	{	3654	{
2602	BDB::max_poll_time $TICK * 0.1;	3655	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	3656
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	3657	BDB::min_parallel 8;
2612		3658	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	3659	$Coro::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		3660
2628	unless ($DB_ENV) {	3661	unless ($DB_ENV) {
2629	$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);
2630		3667
2631	cf::sync_job {	3668	cf::sync_job {
2632	eval {	3669	eval {
2633	BDB::db_env_open	3670	BDB::db_env_open
2634	$DB_ENV,	3671	$DB_ENV,
2635	$BDB_ENV_DIR,	3672	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3673	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3674	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3675	0666;
2639		3676
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3677	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	3678	};
2645		3679
2646	cf::cleanup "db_env_open(db): $@" if $@;	3680	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	3681	};
2648	}	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	};
2649	}	3693	}
2650		3694
2651	{	3695	{
		3696	# configure IO::AIO
		3697
2652	IO::AIO::min_parallel 8;	3698	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	3699	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	3700	$Coro::AIO::WATCHER->priority (1);
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	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;
2665		3745
2666	END { cf::emergency_save }	3746	END { cf::emergency_save }
2667		3747
2668	1	3748	1
2669		3749

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