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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC vs.
Revision 1.408 by root, Mon Jan 14 10:12:12 2008 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;	9	use EV 1.86;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
		27	use JSON::XS 2.01 ();
25	use BDB ();	28	use BDB ();
26	use Data::Dumper;	29	use Data::Dumper;
27	use Digest::MD5;	30	use Digest::MD5;
28	use Fcntl;	31	use Fcntl;
29	use YAML::Syck ();	32	use YAML ();
30	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
31	use Time::HiRes;	34	use Time::HiRes;
32	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
33		37
34	# configure various modules to our taste	38	# configure various modules to our taste
35	#	39	#
36	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
37	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
38	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
39		43
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$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
46		45
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		47
49	our %COMMAND = ();	48	our %COMMAND = ();
50	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
51		50
52	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
56		56
57	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
58	our @EVENT;	58	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	59
		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;
60		72
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;	74	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	77	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		79
69	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	84	our $DB_ENV;
71		85
72	our %CFG;	86	our %CFG;
73		87
74	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
76		91
77	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		95
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		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 $tick_start; # for load detecting purposes
		102
86	binmode STDOUT;	103	binmode STDOUT;
87	binmode STDERR;	104	binmode STDERR;
88		105
89	# read virtual server time, if available	106	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
92	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
93	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
94	}	111	}
95		112
96	mkdir cf::localdir;	113	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		115
103	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
104		117
105	sub cf::map::normalise;	118	sub cf::map::normalise;
106		119
…		…
117	=item $cf::RUNTIME	130	=item $cf::RUNTIME
118		131
119	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
120	every server tick.	133	every server tick.
121		134
122	=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
123		138
124	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
125	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.
126		143
127	=item $cf::NOW	144	=item $cf::NOW
128		145
129	The time of the last (current) server tick.	146	The time of the last (current) server tick.
130		147
131	=item $cf::TICK	148	=item $cf::TICK
132		149
133	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
134		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
135	=item %cf::CFG	162	=item %cf::CFG
136		163
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	165	from wherever your confdir points to.
139		166
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		168
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		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.
		178
146	=back	179	=back
147		180
148	=cut	181	=cut
149		182
150	BEGIN {	183	BEGIN {
…		…
152	my $msg = join "", @_;	185	my $msg = join "", @_;
153		186
154	$msg .= "\n"	187	$msg .= "\n"
155	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
156		189
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		191
159	utf8::encode $msg;
160	LOG llevError, $msg;	192	LOG llevError, $msg;
161	};	193	};
162	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	warn Carp::longmess $_[0];
		198	Coro::terminate;
		199	};
163		200
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	204	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	205	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		206	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	207	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		208
171	# we bless all objects into (empty) derived classes to force a method lookup	209	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	210	# within the Safe compartment.
173	for my $pkg (qw(	211	for my $pkg (qw(
174	cf::global cf::attachable	212	cf::global cf::attachable
…		…
179	)) {	217	)) {
180	no strict 'refs';	218	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	220	}
183		221
184	$Event::DIED = sub {	222	$EV::DIED = sub {
185	warn "error in event callback: @_";	223	warn "error in event callback: @_";
186	};	224	};
		225
		226	#############################################################################
187		227
188	=head2 UTILITY FUNCTIONS	228	=head2 UTILITY FUNCTIONS
189		229
190	=over 4	230	=over 4
191		231
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	250	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	251	$d
212	} || "[unable to dump $_[0]: '$@']";	252	} || "[unable to dump $_[0]: '$@']";
213	}	253	}
214		254
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	255	=item $ref = cf::decode_json $json
218		256
219	Converts a JSON string into the corresponding perl data structure.	257	Converts a JSON string into the corresponding perl data structure.
220		258
221	=item $json = cf::to_json $ref	259	=item $json = cf::encode_json $ref
222		260
223	Converts a perl data structure into its JSON representation.	261	Converts a perl data structure into its JSON representation.
		262
		263	=cut
		264
		265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		266
		267	sub encode_json($) { $json_coder->encode ($_[0]) }
		268	sub decode_json($) { $json_coder->decode ($_[0]) }
224		269
225	=item cf::lock_wait $string	270	=item cf::lock_wait $string
226		271
227	Wait until the given lock is available. See cf::lock_acquire.	272	Wait until the given lock is available. See cf::lock_acquire.
228		273
…		…
231	Wait until the given lock is available and then acquires it and returns	276	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	277	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	278	for example when the coroutine gets canceled), the lock is automatically
234	returned.	279	returned.
235		280
		281	Locks are *not* recursive, locking from the same coro twice results in a
		282	deadlocked coro.
		283
236	Lock names should begin with a unique identifier (for example, cf::map::find	284	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	285	uses map_find and cf::map::load uses map_load).
238		286
		287	=item $locked = cf::lock_active $string
		288
		289	Return true if the lock is currently active, i.e. somebody has locked it.
		290
239	=cut	291	=cut
240		292
241	our %LOCK;	293	our %LOCK;
		294	our %LOCKER;#d#
242		295
243	sub lock_wait($) {	296	sub lock_wait($) {
244	my ($key) = @_;	297	my ($key) = @_;
		298
		299	if ($LOCKER{$key} == $Coro::current) {#d#
		300	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		301	return;#d#
		302	}#d#
245		303
246	# wait for lock, if any	304	# wait for lock, if any
247	while ($LOCK{$key}) {	305	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	306	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	307	Coro::schedule;
…		…
255		313
256	# wait, to be sure we are not locked	314	# wait, to be sure we are not locked
257	lock_wait $key;	315	lock_wait $key;
258		316
259	$LOCK{$key} = [];	317	$LOCK{$key} = [];
		318	$LOCKER{$key} = $Coro::current;#d#
260		319
261	Coro::guard {	320	Coro::guard {
		321	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	322	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	323	$_->ready for @{ delete $LOCK{$key} };
264	}	324	}
		325	}
		326
		327	sub lock_active($) {
		328	my ($key) = @_;
		329
		330	! ! $LOCK{$key}
265	}	331	}
266		332
267	sub freeze_mainloop {	333	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	334	return unless $TICK_WATCHER->is_active;
269		335
…		…
272	};	338	};
273	$TICK_WATCHER->stop;	339	$TICK_WATCHER->stop;
274	$guard	340	$guard
275	}	341	}
276		342
		343	=item cf::periodic $interval, $cb
		344
		345	Like EV::periodic, but randomly selects a starting point so that the actions
		346	get spread over timer.
		347
		348	=cut
		349
		350	sub periodic($$) {
		351	my ($interval, $cb) = @_;
		352
		353	my $start = rand List::Util::min 180, $interval;
		354
		355	EV::periodic $start, $interval, 0, $cb
		356	}
		357
		358	=item cf::get_slot $time[, $priority[, $name]]
		359
		360	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		361	This call blocks and returns only when you have at least C<$time> seconds
		362	of cpu time till the next tick. The slot is only valid till the next cede.
		363
		364	The optional C<$name> can be used to identify the job to run. It might be
		365	used for statistical purposes and should identify the same time-class.
		366
		367	Useful for short background jobs.
		368
		369	=cut
		370
		371	our @SLOT_QUEUE;
		372	our $SLOT_QUEUE;
		373
		374	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		375	$SLOT_QUEUE = Coro::async {
		376	$Coro::current->desc ("timeslot manager");
		377
		378	my $signal = new Coro::Signal;
		379
		380	while () {
		381	next_job:
		382	my $avail = cf::till_tick;
		383	if ($avail > 0.01) {
		384	for (0 .. $#SLOT_QUEUE) {
		385	if ($SLOT_QUEUE[$_][0] < $avail) {
		386	my $job = splice @SLOT_QUEUE, $_, 1, ();
		387	$job->[2]->send;
		388	Coro::cede;
		389	goto next_job;
		390	}
		391	}
		392	}
		393
		394	if (@SLOT_QUEUE) {
		395	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		396	push @cf::WAIT_FOR_TICK, $signal;
		397	$signal->wait;
		398	} else {
		399	Coro::schedule;
		400	}
		401	}
		402	};
		403
		404	sub get_slot($;$$) {
		405	my ($time, $pri, $name) = @_;
		406
		407	$time = $TICK * .6 if $time > $TICK * .6;
		408	my $sig = new Coro::Signal;
		409
		410	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		411	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		412	$SLOT_QUEUE->ready;
		413	$sig->wait;
		414	}
		415
277	=item cf::async { BLOCK }	416	=item cf::async { BLOCK }
278		417
279	Currently the same as Coro::async_pool, meaning you cannot use	418	Currently the same as Coro::async_pool, meaning you cannot use
280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	419	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281	thing you are allowed to do is call C<prio> on it.	420	thing you are allowed to do is call C<prio> on it.
…		…
284		423
285	BEGIN { *async = \&Coro::async_pool }	424	BEGIN { *async = \&Coro::async_pool }
286		425
287	=item cf::sync_job { BLOCK }	426	=item cf::sync_job { BLOCK }
288		427
289	The design of crossfire+ requires that the main coro ($Coro::main) is	428	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	429	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	430	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		431	acceptable.
292		432
293	If it must be done, put the blocking parts into C<sync_job>. This will run	433	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	434	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	435	server will be frozen during this time, so the block should either finish
296	fast or be very important.	436	fast or be very important.
…		…
299		439
300	sub sync_job(&) {	440	sub sync_job(&) {
301	my ($job) = @_;	441	my ($job) = @_;
302		442
303	if ($Coro::current == $Coro::main) {	443	if ($Coro::current == $Coro::main) {
		444	my $time = EV::time;
		445
304	# this is the main coro, too bad, we have to block	446	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	447	# till the operation succeeds, freezing the server :/
306		448
		449	LOG llevError, Carp::longmess "sync job";#d#
		450
307	# TODO: use suspend/resume instead	451	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	452	# (but this is cancel-safe)
309	my $freeze_guard = freeze_mainloop;	453	my $freeze_guard = freeze_mainloop;
310		454
311	my $busy = 1;	455	my $busy = 1;
312	my @res;	456	my @res;
313		457
314	(async {	458	(async {
		459	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	460	@res = eval { $job->() };
316	warn $@ if $@;	461	warn $@ if $@;
317	undef $busy;	462	undef $busy;
318	})->prio (Coro::PRIO_MAX);	463	})->prio (Coro::PRIO_MAX);
319		464
320	while ($busy) {	465	while ($busy) {
321	Coro::cede or Event::one_event;	466	if (Coro::nready) {
		467	Coro::cede_notself;
		468	} else {
		469	EV::loop EV::LOOP_ONESHOT;
322	}	470	}
		471	}
		472
		473	$time = EV::time - $time;
		474
		475	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		476	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		477
		478	$tick_start += $time; # do not account sync jobs to server load
323		479
324	wantarray ? @res : $res[0]	480	wantarray ? @res : $res[0]
325	} else {	481	} else {
326	# we are in another coroutine, how wonderful, everything just works	482	# we are in another coroutine, how wonderful, everything just works
327		483
…		…
347	$EXT_CORO{$coro+0} = $coro;	503	$EXT_CORO{$coro+0} = $coro;
348		504
349	$coro	505	$coro
350	}	506	}
351		507
352	sub write_runtime {	508	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		509
355	my $runtime = cf::localdir . "/runtime";	510	Executes the given code block with the given arguments in a seperate
		511	process, returning the results. Everything must be serialisable with
		512	Coro::Storable. May, of course, block. Note that the executed sub may
		513	never block itself or use any form of event handling.
356		514
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	515	=cut
358	or return;
359		516
360	my $value = $cf::RUNTIME + 90 + 10;	517	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	518	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		519
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	520	# we seemingly have to make a local copy of the whole thing,
365	and return;	521	# otherwise perl prematurely frees the stuff :/
		522	# TODO: investigate and fix (likely this will be rather laborious)
366		523
367	# always fsync - this file is important	524	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	525	reset_signals;
369	and return;	526	&$cb
		527	}, @args;
370		528
371	close $fh	529	wantarray ? @res : $res[-1]
372	or return;	530	}
373		531
374	aio_rename "$runtime~", $runtime	532	=item $value = cf::db_get $family => $key
375	and return;
376		533
		534	Returns a single value from the environment database.
		535
		536	=item cf::db_put $family => $key => $value
		537
		538	Stores the given C<$value> in the family. It can currently store binary
		539	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		540
		541	=item $db = cf::db_table "name"
		542
		543	Create and/or open a new database table. The string must not be "db" and must be unique
		544	within each server.
		545
		546	=cut
		547
		548	sub db_table($) {
		549	my ($name) = @_;
		550	my $db = BDB::db_create $DB_ENV;
		551
		552	eval {
		553	$db->set_flags (BDB::CHKSUM);
		554
		555	utf8::encode $name;
		556	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		557	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		558	cf::cleanup "db_open(db): $!" if $!;
		559	};
		560	cf::cleanup "db_open(db): $@" if $@;
		561
		562	$db
		563	}
		564
		565	our $DB;
		566
		567	sub db_init {
		568	cf::sync_job {
		569	$DB ||= db_table "db";
		570	};
		571	}
		572
		573	sub db_get($$) {
		574	my $key = "$_[0]/$_[1]";
		575
		576	cf::sync_job {
		577	BDB::db_get $DB, undef, $key, my $data;
		578
		579	$! ? ()
		580	: $data
377	1	581	}
		582	}
		583
		584	sub db_put($$$) {
		585	BDB::dbreq_pri 4;
		586	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		587	}
		588
		589	=item cf::cache $id => [$paths...], $processversion => $process
		590
		591	Generic caching function that returns the value of the resource $id,
		592	caching and regenerating as required.
		593
		594	This function can block.
		595
		596	=cut
		597
		598	sub cache {
		599	my ($id, $src, $processversion, $process) = @_;
		600
		601	my $meta =
		602	join "\x00",
		603	$processversion,
		604	map {
		605	aio_stat $_
		606	and Carp::croak "$_: $!";
		607
		608	($_, (stat _)[7,9])
		609	} @$src;
		610
		611	my $dbmeta = db_get cache => "$id/meta";
		612	if ($dbmeta ne $meta) {
		613	# changed, we may need to process
		614
		615	my @data;
		616	my $md5;
		617
		618	for (0 .. $#$src) {
		619	0 <= aio_load $src->[$_], $data[$_]
		620	or Carp::croak "$src->[$_]: $!";
		621	}
		622
		623	# if processing is expensive, check
		624	# checksum first
		625	if (1) {
		626	$md5 =
		627	join "\x00",
		628	$processversion,
		629	map {
		630	cf::cede_to_tick;
		631	($src->[$_], Digest::MD5::md5_hex $data[$_])
		632	} 0.. $#$src;
		633
		634
		635	my $dbmd5 = db_get cache => "$id/md5";
		636	if ($dbmd5 eq $md5) {
		637	db_put cache => "$id/meta", $meta;
		638
		639	return db_get cache => "$id/data";
		640	}
		641	}
		642
		643	my $t1 = Time::HiRes::time;
		644	my $data = $process->(\@data);
		645	my $t2 = Time::HiRes::time;
		646
		647	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		648
		649	db_put cache => "$id/data", $data;
		650	db_put cache => "$id/md5" , $md5;
		651	db_put cache => "$id/meta", $meta;
		652
		653	return $data;
		654	}
		655
		656	db_get cache => "$id/data"
378	}	657	}
379		658
380	=item cf::datalog type => key => value, ...	659	=item cf::datalog type => key => value, ...
381		660
382	Log a datalog packet of the given type with the given key-value pairs.	661	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	679	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	680	to it. All such attachable objects support the following methods.
402		681
403	In the following description, CLASS can be any of C<global>, C<object>	682	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	683	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	684	Deliantra).
406		685
407	=over 4	686	=over 4
408		687
409	=item $attachable->attach ($attachment, key => $value...)	688	=item $attachable->attach ($attachment, key => $value...)
410		689
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	852	$registry = $CB_TYPE[$object_type] ||= [];
574		853
575	} elsif ($type eq "subtype") {	854	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	855	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	856	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	857	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		858
580	} elsif ($type eq "package") {	859	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	860	my $pkg = shift @arg;
582		861
583	while (my ($name, $id) = each %cb_id) {	862	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	891	_attach $registry, $klass, @attach;
613	}	892	}
614		893
615	$obj->{$name} = \%arg;	894	$obj->{$name} = \%arg;
616	} else {	895	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	896	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	897	}
619		898
620	$obj->{_attachment}{$name} = undef;	899	$obj->{_attachment}{$name} = undef;
621	}	900	}
622		901
…		…
624	if (ref $_[0]) {	903	if (ref $_[0]) {
625	_object_attach @_;	904	_object_attach @_;
626	} else {	905	} else {
627	_attach shift->_attach_registry, @_;	906	_attach shift->_attach_registry, @_;
628	}	907	}
		908	_recalc_want;
629	};	909	};
630		910
631	# all those should be optimised	911	# all those should be optimised
632	sub cf::attachable::detach {	912	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	913	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	916	delete $obj->{_attachment}{$name};
637	reattach ($obj);	917	reattach ($obj);
638	} else {	918	} else {
639	Carp::croak "cannot, currently, detach class attachments";	919	Carp::croak "cannot, currently, detach class attachments";
640	}	920	}
		921	_recalc_want;
641	};	922	};
642		923
643	sub cf::attachable::attached {	924	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	925	my ($obj, $name) = @_;
645		926
…		…
660	";	941	";
661	die if $@;	942	die if $@;
662	}	943	}
663		944
664	our $override;	945	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	946	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		947
667	sub override {	948	sub override {
668	$override = 1;	949	$override = 1;
669	@invoke_results = ();	950	@INVOKE_RESULTS = (@_);
670	}	951	}
671		952
672	sub do_invoke {	953	sub do_invoke {
673	my $event = shift;	954	my $event = shift;
674	my $callbacks = shift;	955	my $callbacks = shift;
675		956
676	@invoke_results = ();	957	@INVOKE_RESULTS = ();
677		958
678	local $override;	959	local $override;
679		960
680	for (@$callbacks) {	961	for (@$callbacks) {
681	eval { &{$_->[1]} };	962	eval { &{$_->[1]} };
…		…
690	}	971	}
691		972
692	0	973	0
693	}	974	}
694		975
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		977
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	978	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		979
699	Generate an object-specific event with the given arguments.	980	Generate an object-specific event with the given arguments.
700		981
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	982	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	983	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	984	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		985
705	=back	986	=back
706		987
707	=cut	988	=cut
708		989
709	#############################################################################	990	#############################################################################
710	# object support	991	# object support
		992
		993	sub _object_equal($$);
		994	sub _object_equal($$) {
		995	my ($a, $b) = @_;
		996
		997	return 0 unless (ref $a) eq (ref $b);
		998
		999	if ("HASH" eq ref $a) {
		1000	my @ka = keys %$a;
		1001	my @kb = keys %$b;
		1002
		1003	return 0 if @ka != @kb;
		1004
		1005	for (0 .. $#ka) {
		1006	return 0 unless $ka[$_] eq $kb[$_];
		1007	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1008	}
		1009
		1010	} elsif ("ARRAY" eq ref $a) {
		1011
		1012	return 0 if @$a != @$b;
		1013
		1014	for (0 .. $#$a) {
		1015	return 0 unless _object_equal $a->[$_], $b->[$_];
		1016	}
		1017
		1018	} elsif ($a ne $b) {
		1019	return 0;
		1020	}
		1021
		1022	1
		1023	}
		1024
		1025	our $SLOW_MERGES;#d#
		1026	sub _can_merge {
		1027	my ($ob1, $ob2) = @_;
		1028
		1029	++$SLOW_MERGES;#d#
		1030
		1031	# we do the slow way here
		1032	return _object_equal $ob1, $ob2
		1033	}
711		1034
712	sub reattach {	1035	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1036	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1037	my ($obj) = @_;
715		1038
…		…
736	cf::attachable->attach (	1059	cf::attachable->attach (
737	prio => -1000000,	1060	prio => -1000000,
738	on_instantiate => sub {	1061	on_instantiate => sub {
739	my ($obj, $data) = @_;	1062	my ($obj, $data) = @_;
740		1063
741	$data = from_json $data;	1064	$data = decode_json $data;
742		1065
743	for (@$data) {	1066	for (@$data) {
744	my ($name, $args) = @$_;	1067	my ($name, $args) = @$_;
745		1068
746	$obj->attach ($name, %{$args || {} });	1069	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1085	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1086	my ($filename, $rdata, $objs) = @_;
764		1087
765	sync_job {	1088	sync_job {
766	if (length $$rdata) {	1089	if (length $$rdata) {
		1090	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1091	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1092	$decname, length $$rdata, scalar @$objs;
769		1093
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1095	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1097	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1098	close $fh;
775		1099
776	if (@$objs) {	1100	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1101	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1102	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1104	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1105	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1106	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1107	aio_rename "$filename.pst~", "$filename.pst";
784	}	1108	}
…		…
792	}	1116	}
793	} else {	1117	} else {
794	aio_unlink $filename;	1118	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1119	aio_unlink "$filename.pst";
796	}	1120	}
797	}	1121	};
798	}	1122	}
799		1123
800	sub object_freezer_as_string {	1124	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1125	my ($rdata, $objs) = @_;
802		1126
…		…
814	or return;	1138	or return;
815		1139
816	unless (aio_stat "$filename.pst") {	1140	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1141	(aio_load "$filename.pst", $av) >= 0
818	or return;	1142	or return;
		1143
819	$av = eval { (Storable::thaw $av)->{objs} };	1144	my $st = eval { Coro::Storable::thaw $av };
		1145	$av = $st->{objs};
820	}	1146	}
821		1147
		1148	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1149	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1150	$decname, length $data, scalar @{$av || []};
		1151
824	return ($data, $av);	1152	($data, $av)
825	}	1153	}
		1154
		1155	=head2 COMMAND CALLBACKS
		1156
		1157	=over 4
		1158
		1159	=cut
826		1160
827	#############################################################################	1161	#############################################################################
828	# command handling &c	1162	# command handling &c
829		1163
830	=item cf::register_command $name => \&callback($ob,$args);	1164	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1177	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1178	}
845		1179
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1180	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1181
848	Register a callbackf ro execution when the client sends an extcmd packet.	1182	Register a callback for execution when the client sends an (synchronous)
		1183	extcmd packet. Ext commands will be processed in the order they are
		1184	received by the server, like other user commands. The first argument is
		1185	the logged-in player. Ext commands can only be processed after a player
		1186	has logged in successfully.
849		1187
850	If the callback returns something, it is sent back as if reply was being	1188	If the callback returns something, it is sent back as if reply was being
851	called.	1189	called.
852		1190
		1191	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1192
		1193	Register a callback for execution when the client sends an (asynchronous)
		1194	exticmd packet. Exti commands are processed by the server as soon as they
		1195	are received, i.e. out of order w.r.t. other commands. The first argument
		1196	is a client socket. Exti commands can be received anytime, even before
		1197	log-in.
		1198
		1199	If the callback returns something, it is sent back as if reply was being
		1200	called.
		1201
853	=cut	1202	=cut
854		1203
855	sub register_extcmd {	1204	sub register_extcmd {
856	my ($name, $cb) = @_;	1205	my ($name, $cb) = @_;
857		1206
858	$EXTCMD{$name} = $cb;	1207	$EXTCMD{$name} = $cb;
		1208	}
		1209
		1210	sub register_exticmd {
		1211	my ($name, $cb) = @_;
		1212
		1213	$EXTICMD{$name} = $cb;
859	}	1214	}
860		1215
861	cf::player->attach (	1216	cf::player->attach (
862	on_command => sub {	1217	on_command => sub {
863	my ($pl, $name, $params) = @_;	1218	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1227	cf::override;
873	},	1228	},
874	on_extcmd => sub {	1229	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1230	my ($pl, $buf) = @_;
876		1231
877	my $msg = eval { from_json $buf };	1232	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1233
879	if (ref $msg) {	1234	if (ref $msg) {
		1235	my ($type, $reply, @payload) =
		1236	"ARRAY" eq ref $msg
		1237	? @$msg
		1238	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1239
		1240	my @reply;
		1241
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1242	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1243	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1244	}
		1245
		1246	$pl->ext_reply ($reply, @reply)
		1247	if $reply;
		1248
885	} else {	1249	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1251	}
888		1252
889	cf::override;	1253	cf::override;
890	},	1254	},
891	);	1255	);
892		1256
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1257	sub load_extensions {
		1258	cf::sync_job {
		1259	my %todo;
		1260
928	for my $ext (<$LIBDIR/*.ext>) {	1261	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1262	next unless -r $path;
930	eval {	1263
931	load_extension $ext;	1264	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1265	my $base = $1;
		1266	my $pkg = $1;
		1267	$pkg =~ s/[^[:word:]]/_/g;
		1268	$pkg = "ext::$pkg";
		1269
		1270	open my $fh, "<:utf8", $path
		1271	or die "$path: $!";
		1272
		1273	my $source = do { local $/; <$fh> };
		1274
		1275	my %ext = (
		1276	path => $path,
		1277	base => $base,
		1278	pkg => $pkg,
		1279	);
		1280
		1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1283
		1284	$ext{source} =
		1285	"package $pkg; use strict; use utf8;\n"
		1286	. "#line 1 \"$path\"\n{\n"
		1287	. $source
		1288	. "\n};\n1";
		1289
		1290	$todo{$base} = \%ext;
		1291	}
		1292
		1293	my %done;
		1294	while (%todo) {
		1295	my $progress;
		1296
		1297	while (my ($k, $v) = each %todo) {
		1298	for (split /,\s*/, $v->{meta}{depends}) {
		1299	goto skip
		1300	unless exists $done{$_};
		1301	}
		1302
		1303	warn "... loading '$k' into '$v->{pkg}'\n";
		1304
		1305	unless (eval $v->{source}) {
		1306	my $msg = $@ ? "$v->{path}: $@\n"
		1307	: "$v->{base}: extension inactive.\n";
		1308
		1309	if (exists $v->{meta}{mandatory}) {
		1310	warn $msg;
		1311	warn "mandatory extension failed to load, exiting.\n";
		1312	exit 1;
		1313	}
		1314
		1315	warn $msg;
		1316	}
		1317
		1318	$done{$k} = delete $todo{$k};
		1319	push @EXTS, $v->{pkg};
		1320	$progress = 1;
932	1	1321	}
933	} or warn "$ext not loaded: $@";	1322
		1323	skip:
		1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1325	unless $progress;
		1326	}
934	}	1327	};
935	}	1328	}
936		1329
937	#############################################################################	1330	#############################################################################
938		1331
		1332	=back
		1333
939	=head2 CORE EXTENSIONS	1334	=head2 CORE EXTENSIONS
940		1335
941	Functions and methods that extend core crossfire objects.	1336	Functions and methods that extend core crossfire objects.
942		1337
943	=cut	1338	=cut
…		…
948		1343
949	=head3 cf::player	1344	=head3 cf::player
950		1345
951	=over 4	1346	=over 4
952		1347
		1348	=item cf::player::num_playing
		1349
		1350	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1351
		1352	=cut
		1353
		1354	sub num_playing {
		1355	scalar grep
		1356	$_->ob->map
		1357	&& !$_->hidden
		1358	&& !$_->ob->flag (cf::FLAG_WIZ),
		1359	cf::player::list
		1360	}
		1361
953	=item cf::player::find $login	1362	=item cf::player::find $login
954		1363
955	Returns the given player object, loading it if necessary (might block).	1364	Returns the given player object, loading it if necessary (might block).
956		1365
957	=cut	1366	=cut
958		1367
959	sub playerdir($) {	1368	sub playerdir($) {
960	cf::localdir	1369	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1370	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1371	}
966		1372
967	sub path($) {	1373	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1374	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1401	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1402	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1403	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1404	aio_unlink +(playerdir $login) . "/$login.pl";
999		1405
1000	my $pl = load_pl path $login	1406	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1407	or return;
		1408
		1409	my $pl = cf::player::load_pl $f
		1410	or return;
		1411	local $cf::PLAYER_LOADING{$login} = $pl;
		1412	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1413	$cf::PLAYER{$login} = $pl
1003	}	1414	}
1004	}	1415	}
1005	}	1416	}
1006		1417
…		…
1016		1427
1017	aio_mkdir playerdir $pl, 0770;	1428	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1429	$pl->{last_save} = $cf::RUNTIME;
1019		1430
1020	$pl->save_pl ($path);	1431	$pl->save_pl ($path);
1021	Coro::cede;	1432	cf::cede_to_tick;
1022	}	1433	}
1023		1434
1024	sub new($) {	1435	sub new($) {
1025	my ($login) = @_;	1436	my ($login) = @_;
1026		1437
…		…
1030	$self->{deny_save} = 1;	1441	$self->{deny_save} = 1;
1031		1442
1032	$cf::PLAYER{$login} = $self;	1443	$cf::PLAYER{$login} = $self;
1033		1444
1034	$self	1445	$self
		1446	}
		1447
		1448	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1449
		1450	=cut
		1451
		1452	sub send_msg {
		1453	my $ns = shift->ns
		1454	or return;
		1455	$ns->send_msg (@_);
1035	}	1456	}
1036		1457
1037	=item $pl->quit_character	1458	=item $pl->quit_character
1038		1459
1039	Nukes the player without looking back. If logged in, the connection will	1460	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1509	while and may block, so not sync_job-capable, ever.
1089		1510
1090	=cut	1511	=cut
1091		1512
1092	sub list_logins {	1513	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1514	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1515	or return [];
1095		1516
1096	my @logins;	1517	my @logins;
1097		1518
1098	for my $login (@$dirs) {	1519	for my $login (@$dirs) {
		1520	my $path = path $login;
		1521
		1522	# a .pst is a dead give-away for a valid player
		1523	unless (-e "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1525	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1526	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1527	}
1102		1528
1103	utf8::decode $login;	1529	utf8::decode $login;
1104	push @logins, $login;	1530	push @logins, $login;
1105	}	1531	}
1106		1532
…		…
1133	}	1559	}
1134		1560
1135	\@paths	1561	\@paths
1136	}	1562	}
1137		1563
		1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1565
		1566	Expand crossfire pod fragments into protocol xml.
		1567
		1568	=cut
		1569
		1570	use re 'eval';
		1571
		1572	my $group;
		1573	my $interior; $interior = qr{
		1574	# match a pod interior sequence sans C<< >>
		1575	(?:
		1576	\ (.*?)\ (?{ $group = $^N })
		1577	| < (??{$interior}) >
		1578	)
		1579	}x;
		1580
		1581	sub expand_cfpod {
		1582	my ($self, $pod) = @_;
		1583
		1584	my $xml;
		1585
		1586	while () {
		1587	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1588	$group = $1;
		1589
		1590	$group =~ s/&/&amp;/g;
		1591	$group =~ s/</&lt;/g;
		1592
		1593	$xml .= $group;
		1594	} elsif ($pod =~ m%\G
		1595	([BCGHITU])
		1596	<
		1597	(?:
		1598	([^<>]*) (?{ $group = $^N })
		1599	| < $interior >
		1600	)
		1601	>
		1602	%gcsx
		1603	) {
		1604	my ($code, $data) = ($1, $group);
		1605
		1606	if ($code eq "B") {
		1607	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1608	} elsif ($code eq "I") {
		1609	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1610	} elsif ($code eq "U") {
		1611	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1612	} elsif ($code eq "C") {
		1613	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1614	} elsif ($code eq "T") {
		1615	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1616	} elsif ($code eq "G") {
		1617	my ($male, $female) = split /\|/, $data;
		1618	$data = $self->gender ? $female : $male;
		1619	$xml .= expand_cfpod ($self, $data);
		1620	} elsif ($code eq "H") {
		1621	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1622	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1623	"")
		1624	[$self->{hintmode}];
		1625	} else {
		1626	$xml .= "error processing '$code($data)' directive";
		1627	}
		1628	} else {
		1629	if ($pod =~ /\G(.+)/) {
		1630	warn "parse error while expanding $pod (at $1)";
		1631	}
		1632	last;
		1633	}
		1634	}
		1635
		1636	for ($xml) {
		1637	# create single paragraphs (very hackish)
		1638	s/(?<=\S)\n(?=\w)/ /g;
		1639
		1640	# compress some whitespace
		1641	s/\s+\n/\n/g; # ws line-ends
		1642	s/\n\n+/\n/g; # double lines
		1643	s/^\n+//; # beginning lines
		1644	s/\n+$//; # ending lines
		1645	}
		1646
		1647	$xml
		1648	}
		1649
		1650	no re 'eval';
		1651
		1652	sub hintmode {
		1653	$_[0]{hintmode} = $_[1] if @_ > 1;
		1654	$_[0]{hintmode}
		1655	}
		1656
1138	=item $player->ext_reply ($msgid, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1139		1658
1140	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1141		1660
1142	=cut	1661	=cut
1143		1662
1144	sub ext_reply($$%) {	1663	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1146		1665
1147	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1667	}
1151		1668
1152	=item $player->ext_event ($type, %msg)	1669	=item $player->ext_msg ($type, @msg)
1153		1670
1154	Sends an ext event to the client.	1671	Sends an ext event to the client.
1155		1672
1156	=cut	1673	=cut
1157		1674
1158	sub ext_event($$%) {	1675	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1676	my ($self, $type, @msg) = @_;
1160		1677
1161	$self->ns->ext_event ($type, %msg);	1678	$self->ns->ext_msg ($type, @msg);
1162	}	1679	}
1163		1680
1164	=head3 cf::region	1681	=head3 cf::region
1165		1682
1166	=over 4	1683	=over 4
…		…
1169		1686
1170	package cf::region;	1687	package cf::region;
1171		1688
1172	=item cf::region::find_by_path $path	1689	=item cf::region::find_by_path $path
1173		1690
1174	Tries to decuce the probable region for a map knowing only its path.	1691	Tries to decuce the likely region for a map knowing only its path.
1175		1692
1176	=cut	1693	=cut
1177		1694
1178	sub find_by_path($) {	1695	sub find_by_path($) {
1179	my ($path) = @_;	1696	my ($path) = @_;
1180		1697
1181	my ($match, $specificity);	1698	my ($match, $specificity);
1182		1699
1183	for my $region (list) {	1700	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1701	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1702	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1703	if $region->specificity > $specificity;
1187	}	1704	}
1188	}	1705	}
1189		1706
…		…
1253	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1254		1771
1255	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1256	local $self->{path};	1773	local $self->{path};
1257	local $self->{load_path};	1774	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1775
1261	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1262	}	1777	}
1263		1778
1264	sub normalise {	1779	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1312	return $self;	1827	return $self;
1313	}	1828	}
1314	}	1829	}
1315		1830
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1832	()
1318	}	1833	}
1319		1834
1320	sub init {	1835	sub init {
1321	my ($self) = @_;	1836	my ($self) = @_;
…		…
1336		1851
1337	# the original (read-only) location	1852	# the original (read-only) location
1338	sub load_path {	1853	sub load_path {
1339	my ($self) = @_;	1854	my ($self) = @_;
1340		1855
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1856	"$MAPDIR/$self->{path}.map"
1342	}	1857	}
1343		1858
1344	# the temporary/swap location	1859	# the temporary/swap location
1345	sub save_path {	1860	sub save_path {
1346	my ($self) = @_;	1861	my ($self) = @_;
1347		1862
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1864	"$TMPDIR/$path.map"
1350	}	1865	}
1351		1866
1352	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1353	sub uniq_path {	1868	sub uniq_path {
1354	my ($self) = @_;	1869	my ($self) = @_;
1355		1870
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1872	"$UNIQUEDIR/$path"
1358	}	1873	}
1359		1874
1360	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1361	# all maps in C++...	1876	# all maps in C++...
1362	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1364		1879
1365	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1367	}	1882	}
1368		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1369	sub unlink_save {	1892	sub unlink_save {
1370	my ($self) = @_;	1893	my ($self) = @_;
1371		1894
1372	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1899
1377	sub load_header_from($) {	1900	sub load_header_from($) {
1378	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1379		1902
1380	utf8::encode $path;	1903	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1386		1912
1387	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1388		1914
1389	1	1915	1
1390	}	1916	}
…		…
1429	$self->load_header_orig	1955	$self->load_header_orig
1430	or return;	1956	or return;
1431	$self->prepare_orig;	1957	$self->prepare_orig;
1432	}	1958	}
1433		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
1434	$self->default_region (cf::region::find_by_path $self->{path})	1963	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1964	unless $self->default_region;
1436		1965
1437	1	1966	1
1438	}	1967	}
…		…
1441	sub find {	1970	sub find {
1442	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1443		1972
1444	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1445		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1447		1977
1448	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";	1979	my $guard1 = cf::lock_acquire "map_find:$path";
		1980	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1981
1450	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1451	or return;	1983	or return;
1452		1984
1453	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1454		1986
1455	$map->load_header	1987	$map->load_header
1456	or return;	1988	or return;
1457		1989
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard1;
		1994	undef $guard2;
1461	$map->reset;	1995	$map->reset;
1462	undef $guard;
1463	return find $path;	1996	return find $path;
1464	}	1997	}
1465		1998
1466	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1467	}	2000	}
…		…
1474	my ($self) = @_;	2007	my ($self) = @_;
1475		2008
1476	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1477		2010
1478	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1480		2015
		2016	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2018
1483	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1484		2020
1485	$self->alloc;	2021	$self->alloc;
1486		2022
1487	$self->pre_load;	2023	$self->pre_load;
1488	Coro::cede;	2024	cf::cede_to_tick;
1489		2025
1490	$self->_load_objects ($self->{load_path}, 1)	2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
		2028	$self->_load_objects ($f)
1491	or return;	2029	or return;
1492		2030
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494	if delete $self->{load_original};	2032	if delete $self->{load_original};
1495		2033
1496	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2035	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2038	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1501	}	2042	}
1502	}	2043	}
1503		2044
1504	Coro::cede;	2045	$f->resolve_delayed_derefs;
		2046
		2047	cf::cede_to_tick;
1505	# now do the right thing for maps	2048	# now do the right thing for maps
1506	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2051	unless $self->difficulty;
1517	Coro::cede;	2052	cf::cede_to_tick;
		2053
		2054	unless ($self->{deny_activate}) {
		2055	$self->decay_objects;
		2056	$self->fix_auto_apply;
		2057	$self->update_buttons;
		2058	cf::cede_to_tick;
		2059	$self->set_darkness_map;
		2060	cf::cede_to_tick;
1518	$self->activate;	2061	$self->activate;
1519	Coro::cede;	2062	}
		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
		2067	$self->in_memory (cf::MAP_IN_MEMORY);
1520	}	2068	}
1521		2069
1522	$self->post_load;	2070	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2071	}
1527		2072
1528	sub customise_for {	2073	sub customise_for {
1529	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1530		2075
1531	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2077	if $self->per_player;
1533		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1534	$self	2082	$self
1535	}	2083	}
1536		2084
1537	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2086	sub load_neighbours {
1539	my ($map) = @_;	2087	my ($map) = @_;
1540		2088
1541	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1542		2090
1543	for (0 .. 3) {	2091	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1545	or next;	2093	or next;
1546	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1547	or next;	2095	or next;
1548	$neigh->load;	2096	$neigh->load;
1549		2097
		2098	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2101	}
1553		2102
1554	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1556	or next;	2106	or next;
1557	$neigh->load;	2107	$neigh->load;
1558	}	2108	}
1559	}	2109	}
1560		2110
…		…
1565	}	2115	}
1566		2116
1567	sub do_load_sync {	2117	sub do_load_sync {
1568	my ($map) = @_;	2118	my ($map) = @_;
1569		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1570	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1571	}	2124	}
1572		2125
1573	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1575		2128
1576	sub find_async {	2129	sub find_async {
1577	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1578		2131
1579	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1580		2133
1581	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1583	}	2136	}
1584		2137
1585	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1586	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1587	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2145	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2146	$map->load if $v;
		2147	}
1592		2148
1593	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1594	}	2150	}
1595	}	2151	}
1596	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1597	};	2153	};
1598	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2157	}
1602		2158
1603	sub save {	2159	sub save {
1604	my ($self) = @_;	2160	my ($self) = @_;
1605		2161
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2163
1608	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1609		2165
1610	return unless $self->dirty;	2166	return unless $self->dirty;
1611		2167
…		…
1617	return if $self->{deny_save};	2173	return if $self->{deny_save};
1618		2174
1619	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1620		2176
1621	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1623	};	2180	};
1624		2181
1625	if ($uniq) {	2182	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1634	my ($self) = @_;	2191	my ($self) = @_;
1635		2192
1636	# save first because save cedes	2193	# save first because save cedes
1637	$self->save;	2194	$self->save;
1638		2195
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2196	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2197
1641	return if $self->players;	2198	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2199	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};	2200	return if $self->{deny_save};
1644		2201
		2202	$self->in_memory (cf::MAP_SWAPPED);
		2203
		2204	$self->deactivate;
		2205	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2206	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2207	}
1648		2208
1649	sub reset_at {	2209	sub reset_at {
1650	my ($self) = @_;	2210	my ($self) = @_;
1651		2211
1652	# TODO: safety, remove and allow resettable per-player maps	2212	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2213	return 1e99 if $self->{deny_reset};
1655		2214
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2217
…		…
1669	my ($self) = @_;	2228	my ($self) = @_;
1670		2229
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2231
1673	return if $self->players;	2232	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2233
1676	warn "resetting map ", $self->path;#d#	2234	warn "resetting map ", $self->path;
1677		2235
1678	$self->in_memory (cf::MAP_SWAPPED);	2236	$self->in_memory (cf::MAP_SWAPPED);
1679		2237
1680	# need to save uniques path	2238	# need to save uniques path
1681	unless ($self->{deny_save}) {	2239	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2243	if $uniq;
1686	}	2244	}
1687		2245
1688	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1689		2247
		2248	$self->deactivate;
		2249	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2250	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2251
1694	$self->unlink_save;	2252	$self->unlink_save;
1695	$self->destroy;	2253	$self->destroy;
1696	}	2254	}
1697		2255
1698	my $nuke_counter = "aaaa";	2256	my $nuke_counter = "aaaa";
1699		2257
1700	sub nuke {	2258	sub nuke {
1701	my ($self) = @_;	2259	my ($self) = @_;
1702		2260
		2261	{
		2262	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2263
1703	delete $cf::MAP{$self->path};	2264	delete $cf::MAP{$self->path};
1704		2265
1705	$self->unlink_save;	2266	$self->unlink_save;
1706		2267
1707	bless $self, "cf::map";	2268	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2269	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2270	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2271	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2273
1713	$cf::MAP{$self->path} = $self;	2274	$cf::MAP{$self->path} = $self;
		2275	}
1714		2276
1715	$self->reset; # polite request, might not happen	2277	$self->reset; # polite request, might not happen
		2278	}
		2279
		2280	=item $maps = cf::map::tmp_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	maps. May block.
		2284
		2285	=cut
		2286
		2287	sub tmp_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise $_
		2293	: ()
		2294	} @{ aio_readdir $TMPDIR or [] }
		2295	]
		2296	}
		2297
		2298	=item $maps = cf::map::random_maps
		2299
		2300	Returns an arrayref with all map paths of currently instantiated and saved
		2301	random maps. May block.
		2302
		2303	=cut
		2304
		2305	sub random_maps() {
		2306	[
		2307	map {
		2308	utf8::decode $_;
		2309	/\.map$/
		2310	? normalise "?random/$_"
		2311	: ()
		2312	} @{ aio_readdir $RANDOMDIR or [] }
		2313	]
1716	}	2314	}
1717		2315
1718	=item cf::map::unique_maps	2316	=item cf::map::unique_maps
1719		2317
1720	Returns an arrayref of paths of all shared maps that have	2318	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2319	instantiated unique items. May block.
1722		2320
1723	=cut	2321	=cut
1724		2322
1725	sub unique_maps() {	2323	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2324	[
1727	or return;	2325	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2326	utf8::decode $_;
1733	next if /\.pst$/;	2327	/\.map$/
1734	next unless /^$PATH_SEP/o;	2328	? normalise $_
1735		2329	: ()
1736	push @paths, cf::map::normalise $_;	2330	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2331	]
1738
1739	\@paths
1740	}	2332	}
1741		2333
1742	package cf;	2334	package cf;
1743		2335
1744	=back	2336	=back
…		…
1762	map { $_, inv_recursive_ $_->inv } @_	2354	map { $_, inv_recursive_ $_->inv } @_
1763	}	2355	}
1764		2356
1765	sub inv_recursive {	2357	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2358	inv_recursive_ inv $_[0]
		2359	}
		2360
		2361	=item $ref = $ob->ref
		2362
		2363	creates and returns a persistent reference to an objetc that can be stored as a string.
		2364
		2365	=item $ob = cf::object::deref ($refstring)
		2366
		2367	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2368	even if the object actually exists. May block.
		2369
		2370	=cut
		2371
		2372	sub deref {
		2373	my ($ref) = @_;
		2374
		2375	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2376	my ($uuid, $name) = ($1, $2);
		2377	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2378	or return;
		2379	$pl->ob->uuid eq $uuid
		2380	or return;
		2381
		2382	$pl->ob
		2383	} else {
		2384	warn "$ref: cannot resolve object reference\n";
		2385	undef
		2386	}
1767	}	2387	}
1768		2388
1769	package cf;	2389	package cf;
1770		2390
1771	=back	2391	=back
…		…
1790		2410
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2411	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2412
1793	if ($self->{record_replies}) {	2413	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2414	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2415
1795	} else {	2416	} else {
		2417	my $pl = $self->contr;
		2418
		2419	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2420	my $dialog = $pl->{npc_dialog};
		2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2422
		2423	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2424	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2425	$self->message ($msg, $flags);
		2426	}
1798	}	2427	}
		2428	}
		2429
		2430	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2431
		2432	=cut
		2433
		2434	sub cf::object::send_msg {
		2435	my $pl = shift->contr
		2436	or return;
		2437	$pl->send_msg (@_);
1799	}	2438	}
1800		2439
1801	=item $player_object->may ("access")	2440	=item $player_object->may ("access")
1802		2441
1803	Returns wether the given player is authorized to access resource "access"	2442	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1851		2490
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2492
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1856		2495
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2497	}
1859		2498
1860	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1862		2503
1863	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1864		2505
1865	unless ($map) {	2506	unless ($map) {
1866	# restore original map position	2507	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1883		2524
1884	$map->load;	2525	$map->load;
1885	$map->load_diag;	2526	$map->load_neighbours;
1886		2527
1887	return unless $self->contr->active;	2528	return unless $self->contr->active;
1888	$self->activate_recursive;	2529	$self->activate_recursive;
1889		2530
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1892	}	2533	}
1893		2534
1894	cf::player->attach (	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2536
1898	# abort map switching before logout	2537	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2538	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2539	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2540	the new (success) or old (failed) map position. In either case, $done will
1902	};	2541	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2542
1908	# try to abort aborted map switching on player login :)
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1929		2546
1930	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
		2549
		2550	# do generation counting so two concurrent goto's will be executed in-order
		2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2552
1933	$self->enter_link;	2553	$self->enter_link;
1934		2554
1935	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
1936	my $map = eval {	2577	my $map = eval {
1937	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
		2582	$map = $check->($map) if $check && $map;
		2583	} else {
		2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
		2586
1939	$map	2587	$map
		2588	};
		2589
		2590	if ($@) {
		2591	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2592	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2593	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1944	})->prio (1);	2601	})->prio (1);
1945	}	2602	}
1946		2603
1947	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1948		2605
…		…
1985	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
1986	}	2643	}
1987		2644
1988	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1989		2646
1990	my $data = cf::to_json $rmp;	2647	my $data = cf::encode_json $rmp;
1991	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
1993		2650
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2653	undef $fh;
1997	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
…		…
2017	my $hp = $exit->stats->hp;	2674	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;	2675	my $sp = $exit->stats->sp;
2019		2676
2020	$self->enter_link;	2677	$self->enter_link;
2021		2678
		2679	# if exit is damned, update players death & WoR home-position
		2680	$self->contr->savebed ($slaying, $hp, $sp)
		2681	if $exit->flag (FLAG_DAMNED);
		2682
2022	(async {	2683	(async {
		2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2685
2023	$self->deactivate_recursive; # just to be sure	2686	$self->deactivate_recursive; # just to be sure
2024	unless (eval {	2687	unless (eval {
2025	$self->goto ($slaying, $hp, $sp);	2688	$self->goto ($slaying, $hp, $sp);
2026		2689
2027	1;	2690	1;
…		…
2053		2716
2054	utf8::encode $text;	2717	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2718	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2719	}
2057		2720
		2721	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2722
		2723	Send a drawinfo or msg packet to the client, formatting the msg for the
		2724	client if neccessary. C<$type> should be a string identifying the type of
		2725	the message, with C<log> being the default. If C<$color> is negative, suppress
		2726	the message unless the client supports the msg packet.
		2727
		2728	=cut
		2729
		2730	# non-persistent channels (usually the info channel)
		2731	our %CHANNEL = (
		2732	"c/identify" => {
		2733	id => "infobox",
		2734	title => "Identify",
		2735	reply => undef,
		2736	tooltip => "Items recently identified",
		2737	},
		2738	"c/examine" => {
		2739	id => "infobox",
		2740	title => "Examine",
		2741	reply => undef,
		2742	tooltip => "Signs and other items you examined",
		2743	},
		2744	"c/book" => {
		2745	id => "infobox",
		2746	title => "Book",
		2747	reply => undef,
		2748	tooltip => "The contents of a note or book",
		2749	},
		2750	"c/lookat" => {
		2751	id => "infobox",
		2752	title => "Look",
		2753	reply => undef,
		2754	tooltip => "What you saw there",
		2755	},
		2756	"c/who" => {
		2757	id => "infobox",
		2758	title => "Players",
		2759	reply => undef,
		2760	tooltip => "Shows players who are currently online",
		2761	},
		2762	"c/body" => {
		2763	id => "infobox",
		2764	title => "Body Parts",
		2765	reply => undef,
		2766	tooltip => "Shows which body parts you posess and are available",
		2767	},
		2768	"c/uptime" => {
		2769	id => "infobox",
		2770	title => "Uptime",
		2771	reply => undef,
		2772	tooltip => "How long the server has been running since last restart",
		2773	},
		2774	"c/mapinfo" => {
		2775	id => "infobox",
		2776	title => "Map Info",
		2777	reply => undef,
		2778	tooltip => "Information related to the maps",
		2779	},
		2780	);
		2781
		2782	sub cf::client::send_msg {
		2783	my ($self, $channel, $msg, $color, @extra) = @_;
		2784
		2785	$msg = $self->pl->expand_cfpod ($msg);
		2786
		2787	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2788
		2789	# check predefined channels, for the benefit of C
		2790	if ($CHANNEL{$channel}) {
		2791	$channel = $CHANNEL{$channel};
		2792
		2793	$self->ext_msg (channel_info => $channel)
		2794	if $self->can_msg;
		2795
		2796	$channel = $channel->{id};
		2797
		2798	} elsif (ref $channel) {
		2799	# send meta info to client, if not yet sent
		2800	unless (exists $self->{channel}{$channel->{id}}) {
		2801	$self->{channel}{$channel->{id}} = $channel;
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804	}
		2805
		2806	$channel = $channel->{id};
		2807	}
		2808
		2809	return unless @extra || length $msg;
		2810
		2811	if ($self->can_msg) {
		2812	# default colour, mask it out
		2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2814	if $color & cf::NDI_DEF;
		2815
		2816	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2818	} else {
		2819	if ($color >= 0) {
		2820	# replace some tags by gcfclient-compatible ones
		2821	for ($msg) {
		2822	1 while
		2823	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2824	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2825	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2826	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2827	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2828	}
		2829
		2830	$color &= cf::NDI_COLOR_MASK;
		2831
		2832	utf8::encode $msg;
		2833
		2834	if (0 && $msg =~ /\[/) {
		2835	# COMMAND/INFO
		2836	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2837	} else {
		2838	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2839	$self->send_packet ("drawinfo $color $msg")
		2840	}
		2841	}
		2842	}
		2843	}
		2844
2058	=item $client->ext_event ($type, %msg)	2845	=item $client->ext_msg ($type, @msg)
2059		2846
2060	Sends an exti event to the client.	2847	Sends an ext event to the client.
2061		2848
2062	=cut	2849	=cut
2063		2850
2064	sub cf::client::ext_event($$%) {	2851	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2852	my ($self, $type, @msg) = @_;
2066		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2856	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2857	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2858	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2859	}
		2860	}
		2861
		2862	=item $client->ext_reply ($msgid, @msg)
		2863
		2864	Sends an ext reply to the client.
		2865
		2866	=cut
		2867
		2868	sub cf::client::ext_reply($$@) {
		2869	my ($self, $id, @msg) = @_;
		2870
		2871	if ($self->extcmd == 2) {
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2873	} elsif ($self->extcmd == 1) {
		2874	#TODO: version 1, remove
		2875	unshift @msg, msgtype => "reply", msgid => $id;
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2877	}
2069	}	2878	}
2070		2879
2071	=item $success = $client->query ($flags, "text", \&cb)	2880	=item $success = $client->query ($flags, "text", \&cb)
2072		2881
2073	Queues a query to the client, calling the given callback with	2882	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2883	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2884	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2885
2077	Queries can fail, so check the return code. Or don't, as queries will become	2886	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2887	become reliable at some point in the future.
2079		2888
2080	=cut	2889	=cut
2081		2890
2082	sub cf::client::query {	2891	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2892	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2900	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2901	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2902
2094	$self->send_packet ($self->{query_queue}[0][0])	2903	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2904	if @{ $self->{query_queue} } == 1;
		2905
		2906	1
2096	}	2907	}
2097		2908
2098	cf::client->attach (	2909	cf::client->attach (
		2910	on_connect => sub {
		2911	my ($ns) = @_;
		2912
		2913	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2914	},
2099	on_reply => sub {	2915	on_reply => sub {
2100	my ($ns, $msg) = @_;	2916	my ($ns, $msg) = @_;
2101		2917
2102	# this weird shuffling is so that direct followup queries	2918	# this weird shuffling is so that direct followup queries
2103	# get handled first	2919	# get handled first
…		…
2115	} else {	2931	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2932	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2933	}
2118	}	2934	}
2119	},	2935	},
		2936	on_exticmd => sub {
		2937	my ($ns, $buf) = @_;
		2938
		2939	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2940
		2941	if (ref $msg) {
		2942	my ($type, $reply, @payload) =
		2943	"ARRAY" eq ref $msg
		2944	? @$msg
		2945	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2946
		2947	my @reply;
		2948
		2949	if (my $cb = $EXTICMD{$type}) {
		2950	@reply = $cb->($ns, @payload);
		2951	}
		2952
		2953	$ns->ext_reply ($reply, @reply)
		2954	if $reply;
		2955
		2956	} else {
		2957	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2958	}
		2959
		2960	cf::override;
		2961	},
2120	);	2962	);
2121		2963
2122	=item $client->async (\&cb)	2964	=item $client->async (\&cb)
2123		2965
2124	Create a new coroutine, running the specified callback. The coroutine will	2966	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	3007	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3008	our $safe_hole = new Safe::Hole;
2167		3009
2168	$SIG{FPE} = 'IGNORE';	3010	$SIG{FPE} = 'IGNORE';
2169		3011
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3012	$safe->permit_only (Opcode::opset qw(
		3013	:base_core :base_mem :base_orig :base_math
		3014	grepstart grepwhile mapstart mapwhile
		3015	sort time
		3016	));
2171		3017
2172	# here we export the classes and methods available to script code	3018	# here we export the classes and methods available to script code
2173		3019
2174	=pod	3020	=pod
2175		3021
2176	The following functions and methods are available within a safe environment:	3022	The following functions and methods are available within a safe environment:
2177		3023
2178	cf::object contr pay_amount pay_player map	3024	cf::object
		3025	contr pay_amount pay_player map x y force_find force_add destroy
		3026	insert remove name archname title slaying race decrease_ob_nr
		3027
2179	cf::object::player player	3028	cf::object::player
2180	cf::player peaceful	3029	player
2181	cf::map trigger	3030
		3031	cf::player
		3032	peaceful
		3033
		3034	cf::map
		3035	trigger
2182		3036
2183	=cut	3037	=cut
2184		3038
2185	for (	3039	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3041	insert remove inv name archname title slaying race
		3042	decrease_ob_nr destroy)],
2187	["cf::object::player" => qw(player)],	3043	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3044	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	3045	["cf::map" => qw(trigger)],
2190	) {	3046	) {
2191	no strict 'refs';	3047	no strict 'refs';
…		…
2262	=back	3118	=back
2263		3119
2264	=cut	3120	=cut
2265		3121
2266	#############################################################################	3122	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	eval {
2420	local $SIG{__DIE__};
2421	local $SIG{__WARN__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	_exit 0;
2429	}
2430	}
2431
2432
2433
2434	#############################################################################
2435	# the server's init and main functions	3123	# the server's init and main functions
2436		3124
2437	sub load_facedata($) {	3125	sub load_facedata($) {
2438	my ($path) = @_;	3126	my ($path) = @_;
		3127
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
		3132	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2439		3133
2440	warn "loading facedata from $path\n";	3134	warn "loading facedata from $path\n";
2441		3135
2442	my $facedata;	3136	my $facedata;
2443	0 < aio_load $path, $facedata	3137	0 < aio_load $path, $facedata
…		…
2446	$facedata = Coro::Storable::thaw $facedata;	3140	$facedata = Coro::Storable::thaw $facedata;
2447		3141
2448	$facedata->{version} == 2	3142	$facedata->{version} == 2
2449	or cf::cleanup "$path: version mismatch, cannot proceed.";	3143	or cf::cleanup "$path: version mismatch, cannot proceed.";
2450		3144
		3145	# patch in the exptable
		3146	$facedata->{resource}{"res/exp_table"} = {
		3147	type => FT_RSRC,
		3148	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3149	};
		3150	cf::cede_to_tick;
		3151
2451	{	3152	{
2452	my $faces = $facedata->{faceinfo};	3153	my $faces = $facedata->{faceinfo};
2453		3154
2454	while (my ($face, $info) = each %$faces) {	3155	while (my ($face, $info) = each %$faces) {
2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3157
2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3158	cf::face::set_visibility $idx, $info->{visibility};
		3159	cf::face::set_magicmap $idx, $info->{magicmap};
2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2459	Coro::cede;	3162
		3163	cf::cede_to_tick;
2460	}	3164	}
2461		3165
2462	while (my ($face, $info) = each %$faces) {	3166	while (my ($face, $info) = each %$faces) {
2463	next unless $info->{smooth};	3167	next unless $info->{smooth};
		3168
2464	my $idx = cf::face::find $face	3169	my $idx = cf::face::find $face
2465	or next;	3170	or next;
		3171
2466	if (my $smooth = cf::face::find $info->{smooth}) {	3172	if (my $smooth = cf::face::find $info->{smooth}) {
		3173	cf::face::set_smooth $idx, $smooth;
2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3174	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2468	} else {	3175	} else {
2469	warn "smooth face '$info->{smooth}' not found for face '$face'";	3176	warn "smooth face '$info->{smooth}' not found for face '$face'";
2470	}	3177	}
2471	Coro::cede;	3178
		3179	cf::cede_to_tick;
2472	}	3180	}
2473	}	3181	}
2474		3182
2475	{	3183	{
2476	my $anims = $facedata->{animinfo};	3184	my $anims = $facedata->{animinfo};
2477		3185
2478	while (my ($anim, $info) = each %$anims) {	3186	while (my ($anim, $info) = each %$anims) {
2479	cf::anim::set $anim, $info->{frames}, $info->{facings};	3187	cf::anim::set $anim, $info->{frames}, $info->{facings};
2480	Coro::cede;	3188	cf::cede_to_tick;
2481	}	3189	}
2482		3190
2483	cf::anim::invalidate_all; # d'oh	3191	cf::anim::invalidate_all; # d'oh
2484	}	3192	}
2485		3193
		3194	{
		3195	# TODO: for gcfclient pleasure, we should give resources
		3196	# that gcfclient doesn't grok a >10000 face index.
		3197	my $res = $facedata->{resource};
		3198
		3199	while (my ($name, $info) = each %$res) {
		3200	if (defined $info->{type}) {
		3201	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3202	my $data;
		3203
		3204	if ($info->{type} & 1) {
		3205	# prepend meta info
		3206
		3207	my $meta = $enc->encode ({
		3208	name => $name,
		3209	%{ $info->{meta} || {} },
		3210	});
		3211
		3212	$data = pack "(w/a*)*", $meta, $info->{data};
		3213	} else {
		3214	$data = $info->{data};
		3215	}
		3216
		3217	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3218	cf::face::set_type $idx, $info->{type};
		3219	} else {
		3220	$RESOURCE{$name} = $info;
		3221	}
		3222
		3223	cf::cede_to_tick;
		3224	}
		3225	}
		3226
		3227	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3228
2486	1	3229	1
2487	}	3230	}
2488		3231
		3232	cf::global->attach (on_resource_update => sub {
		3233	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3234	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3235
		3236	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3237	my $sound = $soundconf->{compat}[$_]
		3238	or next;
		3239
		3240	my $face = cf::face::find "sound/$sound->[1]";
		3241	cf::sound::set $sound->[0] => $face;
		3242	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3243	}
		3244
		3245	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3246	my $face = cf::face::find "sound/$v";
		3247	cf::sound::set $k => $face;
		3248	}
		3249	}
		3250	});
		3251
		3252	register_exticmd fx_want => sub {
		3253	my ($ns, $want) = @_;
		3254
		3255	while (my ($k, $v) = each %$want) {
		3256	$ns->fx_want ($k, $v);
		3257	}
		3258	};
		3259
		3260	sub reload_regions {
		3261	# HACK to clear player env face cache, we need some signal framework
		3262	# for this (global event?)
		3263	%ext::player_env::MUSIC_FACE_CACHE = ();
		3264
		3265	load_resource_file "$MAPDIR/regions"
		3266	or die "unable to load regions file\n";
		3267
		3268	for (cf::region::list) {
		3269	$_->{match} = qr/$_->{match}/
		3270	if exists $_->{match};
		3271	}
		3272	}
		3273
2489	sub reload_facedata {	3274	sub reload_facedata {
2490	load_facedata sprintf "%s/facedata", cf::datadir	3275	load_facedata "$DATADIR/facedata"
2491	or die "unable to load facedata\n";	3276	or die "unable to load facedata\n";
2492	}	3277	}
2493		3278
2494	sub reload_regions {
2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2496	or die "unable to load regions file\n";
2497	}
2498
2499	sub reload_archetypes {	3279	sub reload_archetypes {
2500	load_resource_file sprintf "%s/archetypes", cf::datadir	3280	load_resource_file "$DATADIR/archetypes"
2501	or die "unable to load archetypes\n";	3281	or die "unable to load archetypes\n";
		3282	#d# NEED to laod twice to resolve forward references
		3283	# this really needs to be done in an extra post-pass
		3284	# (which needs to be synchronous, so solve it differently)
		3285	load_resource_file "$DATADIR/archetypes"
		3286	or die "unable to load archetypes\n";
2502	}	3287	}
2503		3288
2504	sub reload_treasures {	3289	sub reload_treasures {
2505	load_resource_file sprintf "%s/treasures", cf::datadir	3290	load_resource_file "$DATADIR/treasures"
2506	or die "unable to load treasurelists\n";	3291	or die "unable to load treasurelists\n";
2507	}	3292	}
2508		3293
2509	sub reload_resources {	3294	sub reload_resources {
2510	warn "reloading resource files...\n";	3295	warn "reloading resource files...\n";
2511		3296
2512	reload_regions;	3297	reload_regions;
2513	reload_facedata;	3298	reload_facedata;
		3299	#reload_archetypes;#d#
2514	reload_archetypes;	3300	reload_archetypes;
2515	reload_treasures;	3301	reload_treasures;
2516		3302
2517	warn "finished reloading resource files\n";	3303	warn "finished reloading resource files\n";
2518	}	3304	}
2519		3305
2520	sub init {	3306	sub init {
2521	reload_resources;	3307	reload_resources;
2522	}	3308	}
2523		3309
2524	sub cfg_load {	3310	sub reload_config {
2525	open my $fh, "<:utf8", cf::confdir . "/config"	3311	open my $fh, "<:utf8", "$CONFDIR/config"
2526	or return;	3312	or return;
2527		3313
2528	local $/;	3314	local $/;
2529	*CFG = YAML::Syck::Load <$fh>;	3315	*CFG = YAML::Load <$fh>;
2530		3316
2531	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2532		3318
2533	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3319	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2534	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3320	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2545	sub main {	3331	sub main {
2546	# we must not ever block the main coroutine	3332	# we must not ever block the main coroutine
2547	local $Coro::idle = sub {	3333	local $Coro::idle = sub {
2548	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2549	(async {	3335	(async {
2550	Event::one_event;	3336	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3337	EV::loop EV::LOOP_ONESHOT;
2551	})->prio (Coro::PRIO_MAX);	3338	})->prio (Coro::PRIO_MAX);
2552	};	3339	};
2553		3340
2554	cfg_load;	3341	reload_config;
2555	db_init;	3342	db_init;
2556	load_extensions;	3343	load_extensions;
2557		3344
2558	$TICK_WATCHER->start;	3345	$TICK_WATCHER->start;
		3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2559	Event::loop;	3347	EV::loop;
2560	}	3348	}
2561		3349
2562	#############################################################################	3350	#############################################################################
2563	# initialisation and cleanup	3351	# initialisation and cleanup
2564		3352
2565	# install some emergency cleanup handlers	3353	# install some emergency cleanup handlers
2566	BEGIN {	3354	BEGIN {
		3355	our %SIGWATCHER = ();
2567	for my $signal (qw(INT HUP TERM)) {	3356	for my $signal (qw(INT HUP TERM)) {
2568	Event->signal (	3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2569	reentrant => 0,
2570	data => WF_AUTOCANCEL,
2571	signal => $signal,
2572	prio => 0,
2573	cb => sub {
2574	cf::cleanup "SIG$signal";	3358	cf::cleanup "SIG$signal";
2575	},
2576	);	3359	};
		3360	}
		3361	}
		3362
		3363	sub write_runtime {
		3364	my $runtime = "$LOCALDIR/runtime";
		3365
		3366	# first touch the runtime file to show we are still running:
		3367	# the fsync below can take a very very long time.
		3368
		3369	IO::AIO::aio_utime $runtime, undef, undef;
		3370
		3371	my $guard = cf::lock_acquire "write_runtime";
		3372
		3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3374	or return;
		3375
		3376	my $value = $cf::RUNTIME + 90 + 10;
		3377	# 10 is the runtime save interval, for a monotonic clock
		3378	# 60 allows for the watchdog to kill the server.
		3379
		3380	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3381	and return;
		3382
		3383	# always fsync - this file is important
		3384	aio_fsync $fh
		3385	and return;
		3386
		3387	# touch it again to show we are up-to-date
		3388	aio_utime $fh, undef, undef;
		3389
		3390	close $fh
		3391	or return;
		3392
		3393	aio_rename "$runtime~", $runtime
		3394	and return;
		3395
		3396	warn "runtime file written.\n";
		3397
2577	}	3398	1
2578	}	3399	}
2579		3400
2580	sub emergency_save() {	3401	sub emergency_save() {
2581	my $freeze_guard = cf::freeze_mainloop;	3402	my $freeze_guard = cf::freeze_mainloop;
2582		3403
…		…
2588	# and maps saved/destroyed asynchronously.	3409	# and maps saved/destroyed asynchronously.
2589	warn "begin emergency player save\n";	3410	warn "begin emergency player save\n";
2590	for my $login (keys %cf::PLAYER) {	3411	for my $login (keys %cf::PLAYER) {
2591	my $pl = $cf::PLAYER{$login} or next;	3412	my $pl = $cf::PLAYER{$login} or next;
2592	$pl->valid or next;	3413	$pl->valid or next;
		3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2593	$pl->save;	3415	$pl->save;
2594	}	3416	}
2595	warn "end emergency player save\n";	3417	warn "end emergency player save\n";
2596		3418
2597	warn "begin emergency map save\n";	3419	warn "begin emergency map save\n";
…		…
2636	warn "syncing database to disk";	3458	warn "syncing database to disk";
2637	BDB::db_env_txn_checkpoint $DB_ENV;	3459	BDB::db_env_txn_checkpoint $DB_ENV;
2638		3460
2639	# if anything goes wrong in here, we should simply crash as we already saved	3461	# if anything goes wrong in here, we should simply crash as we already saved
2640		3462
2641	warn "cancelling all WF_AUTOCANCEL watchers";
2642	for (Event::all_watchers) {
2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2644	}
2645
2646	warn "flushing outstanding aio requests";	3463	warn "flushing outstanding aio requests";
2647	for (;;) {	3464	for (;;) {
2648	BDB::flush;	3465	BDB::flush;
2649	IO::AIO::flush;	3466	IO::AIO::flush;
2650	Coro::cede;	3467	Coro::cede_notself;
2651	last unless IO::AIO::nreqs || BDB::nreqs;	3468	last unless IO::AIO::nreqs || BDB::nreqs;
2652	warn "iterate...";	3469	warn "iterate...";
2653	}	3470	}
2654		3471
2655	++$RELOAD;	3472	++$RELOAD;
…		…
2659	%EXT_CORO = ();	3476	%EXT_CORO = ();
2660		3477
2661	warn "removing commands";	3478	warn "removing commands";
2662	%COMMAND = ();	3479	%COMMAND = ();
2663		3480
2664	warn "removing ext commands";	3481	warn "removing ext/exti commands";
2665	%EXTCMD = ();	3482	%EXTCMD = ();
		3483	%EXTICMD = ();
2666		3484
2667	warn "unloading/nuking all extensions";	3485	warn "unloading/nuking all extensions";
2668	for my $pkg (@EXTS) {	3486	for my $pkg (@EXTS) {
2669	warn "... unloading $pkg";	3487	warn "... unloading $pkg";
2670		3488
…		…
2700	Symbol::delete_package "safe::$_"	3518	Symbol::delete_package "safe::$_"
2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3519	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2702		3520
2703	warn "unloading cf.pm \"a bit\"";	3521	warn "unloading cf.pm \"a bit\"";
2704	delete $INC{"cf.pm"};	3522	delete $INC{"cf.pm"};
		3523	delete $INC{"cf/pod.pm"};
2705		3524
2706	# don't, removes xs symbols, too,	3525	# don't, removes xs symbols, too,
2707	# and global variables created in xs	3526	# and global variables created in xs
2708	#Symbol::delete_package __PACKAGE__;	3527	#Symbol::delete_package __PACKAGE__;
2709		3528
…		…
2712	warn "reloading cf.pm";	3531	warn "reloading cf.pm";
2713	require cf;	3532	require cf;
2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2715		3534
2716	warn "loading config and database again";	3535	warn "loading config and database again";
2717	cf::cfg_load;	3536	cf::reload_config;
2718		3537
2719	warn "loading extensions";	3538	warn "loading extensions";
2720	cf::load_extensions;	3539	cf::load_extensions;
2721		3540
2722	warn "reattaching attachments to objects/players";	3541	warn "reattaching attachments to objects/players";
…		…
2742		3561
2743	sub reload_perl() {	3562	sub reload_perl() {
2744	# doing reload synchronously and two reloads happen back-to-back,	3563	# doing reload synchronously and two reloads happen back-to-back,
2745	# coro crashes during coro_state_free->destroy here.	3564	# coro crashes during coro_state_free->destroy here.
2746		3565
2747	$RELOAD_WATCHER ||= Event->timer (	3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2748	reentrant => 0,
2749	after => 0,
2750	data => WF_AUTOCANCEL,
2751	cb => sub {
2752	do_reload_perl;
2753	undef $RELOAD_WATCHER;	3567	undef $RELOAD_WATCHER;
2754	},	3568	do_reload_perl;
2755	);	3569	};
2756	}	3570	}
2757		3571
2758	register_command "reload" => sub {	3572	register_command "reload" => sub {
2759	my ($who, $arg) = @_;	3573	my ($who, $arg) = @_;
2760		3574
2761	if ($who->flag (FLAG_WIZ)) {	3575	if ($who->flag (FLAG_WIZ)) {
2762	$who->message ("reloading server.");	3576	$who->message ("reloading server.");
		3577	async {
		3578	$Coro::current->{desc} = "perl_reload";
2763	async { reload_perl };	3579	reload_perl;
		3580	};
2764	}	3581	}
2765	};	3582	};
2766		3583
2767	unshift @INC, $LIBDIR;	3584	unshift @INC, $LIBDIR;
2768		3585
…		…
2787	my $signal = new Coro::Signal;	3604	my $signal = new Coro::Signal;
2788	push @WAIT_FOR_TICK_BEGIN, $signal;	3605	push @WAIT_FOR_TICK_BEGIN, $signal;
2789	$signal->wait;	3606	$signal->wait;
2790	}	3607	}
2791		3608
2792	$TICK_WATCHER = Event->timer (	3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2793	reentrant => 0,
2794	parked => 1,
2795	prio => 0,
2796	at => $NEXT_TICK || $TICK,
2797	data => WF_AUTOCANCEL,
2798	cb => sub {
2799	if ($Coro::current != $Coro::main) {	3610	if ($Coro::current != $Coro::main) {
2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2801	unless ++$bug_warning > 10;	3612	unless ++$bug_warning > 10;
2802	return;	3613	return;
2803	}	3614	}
2804		3615
2805	$NOW = Event::time;	3616	$NOW = $tick_start = EV::now;
2806		3617
2807	cf::server_tick; # one server iteration	3618	cf::server_tick; # one server iteration
2808		3619
2809	$RUNTIME += $TICK;	3620	$RUNTIME += $TICK;
2810	$NEXT_TICK += $TICK;	3621	$NEXT_TICK = $_[0]->at;
2811		3622
2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2813	$NEXT_RUNTIME_WRITE = $NOW + 10;	3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2814	Coro::async_pool {	3625	Coro::async_pool {
		3626	$Coro::current->{desc} = "runtime saver";
2815	write_runtime	3627	write_runtime
2816	or warn "ERROR: unable to write runtime file: $!";	3628	or warn "ERROR: unable to write runtime file: $!";
2817	};
2818	}	3629	};
		3630	}
2819		3631
2820	# my $AFTER = Event::time;
2821	# warn $AFTER - $NOW;#d#
2822
2823	# if we are delayed by four ticks or more, skip them all
2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2825
2826	$TICK_WATCHER->at ($NEXT_TICK);
2827	$TICK_WATCHER->start;
2828
2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2830	$sig->send;	3633	$sig->send;
2831	}	3634	}
2832	while (my $sig = shift @WAIT_FOR_TICK) {	3635	while (my $sig = shift @WAIT_FOR_TICK) {
2833	$sig->send;	3636	$sig->send;
2834	}	3637	}
2835		3638
		3639	$LOAD = ($NOW - $tick_start) / $TICK;
		3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3641
2836	_post_tick;	3642	_post_tick;
2837	},	3643	};
2838	);	3644	$TICK_WATCHER->priority (EV::MAXPRI);
2839		3645
2840	{	3646	{
2841	BDB::max_poll_time $TICK * 0.1;	3647	# configure BDB
2842	$BDB_POLL_WATCHER = Event->io (	3648
2843	reentrant => 0,
2844	fd => BDB::poll_fileno,
2845	poll => 'r',
2846	prio => 0,
2847	data => WF_AUTOCANCEL,
2848	cb => \&BDB::poll_cb,
2849	);
2850	BDB::min_parallel 8;	3649	BDB::min_parallel 8;
2851		3650	BDB::max_poll_reqs $TICK * 0.1;
2852	BDB::set_sync_prepare {	3651	$Coro::BDB::WATCHER->priority (1);
2853	my $status;
2854	my $current = $Coro::current;
2855	(
2856	sub {
2857	$status = $!;
2858	$current->ready; undef $current;
2859	},
2860	sub {
2861	Coro::schedule while defined $current;
2862	$! = $status;
2863	},
2864	)
2865	};
2866		3652
2867	unless ($DB_ENV) {	3653	unless ($DB_ENV) {
2868	$DB_ENV = BDB::db_env_create;	3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2869		3659
2870	cf::sync_job {	3660	cf::sync_job {
2871	eval {	3661	eval {
2872	BDB::db_env_open	3662	BDB::db_env_open
2873	$DB_ENV,	3663	$DB_ENV,
2874	$BDB_ENV_DIR,	3664	$BDBDIR,
2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2877	0666;	3667	0666;
2878		3668
2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2880
2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2882	$DB_ENV->set_lk_detect;
2883	};	3670	};
2884		3671
2885	cf::cleanup "db_env_open(db): $@" if $@;	3672	cf::cleanup "db_env_open(db): $@" if $@;
2886	};	3673	};
2887	}	3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
2888	}	3685	}
2889		3686
2890	{	3687	{
		3688	# configure IO::AIO
		3689
2891	IO::AIO::min_parallel 8;	3690	IO::AIO::min_parallel 8;
2892
2893	undef $Coro::AIO::WATCHER;
2894	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
2895	$AIO_POLL_WATCHER = Event->io (	3692	$Coro::AIO::WATCHER->priority (1);
2896	reentrant => 0,	3693	}
2897	data => WF_AUTOCANCEL,	3694
2898	fd => IO::AIO::poll_fileno,	3695	my $_log_backtrace;
2899	poll => 'r',	3696
2900	prio => 6,	3697	sub _log_backtrace {
2901	cb => \&IO::AIO::poll_cb,	3698	my ($msg, @addr) = @_;
2902	);	3699
		3700	$msg =~ s/\n//;
		3701
		3702	# limit the # of concurrent backtraces
		3703	if ($_log_backtrace < 2) {
		3704	++$_log_backtrace;
		3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
		3708	my @bt = fork_call {
		3709	@addr = map { sprintf "%x", $_ } @addr;
		3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3712	or die "addr2line: $!";
		3713
		3714	my @funcs;
		3715	my @res = <$fh>;
		3716	chomp for @res;
		3717	while (@res) {
		3718	my ($func, $line) = splice @res, 0, 2, ();
		3719	push @funcs, "[$func] $line";
		3720	}
		3721
		3722	@funcs
		3723	};
		3724
		3725	LOG llevInfo, "[ABT] $msg\n";
		3726	LOG llevInfo, "[ABT] $_\n" for @bt;
		3727	--$_log_backtrace;
		3728	};
		3729	} else {
		3730	LOG llevInfo, "[ABT] $msg\n";
		3731	LOG llevInfo, "[ABT] [suppressed]\n";
		3732	}
2903	}	3733	}
2904		3734
2905	# load additional modules	3735	# load additional modules
2906	use cf::pod;	3736	use cf::pod;
2907		3737

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