ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC vs.
Revision 1.408 by root, Mon Jan 14 10:12:12 2008 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
9	use Event;	9	use EV 1.86;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.52 ();	15	use Coro 4.32 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::EV;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
21	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
22		26
		27	use JSON::XS 2.01 ();
23	use BDB ();	28	use BDB ();
24	use Data::Dumper;	29	use Data::Dumper;
25	use Digest::MD5;	30	use Digest::MD5;
26	use Fcntl;	31	use Fcntl;
27	use YAML::Syck ();	32	use YAML ();
28	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
29	use Time::HiRes;	34	use Time::HiRes;
30	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
31		37
32	# configure various modules to our taste	38	# configure various modules to our taste
33	#	39	#
34	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
35	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
36	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
37		43
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$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
44		45
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		47
47	our %COMMAND = ();	48	our %COMMAND = ();
48	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
49		50
50	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
54		56
55	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
56	our @EVENT;	58	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		59
59	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71	our %RESOURCE;
		72
		73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	74	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	77	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		79
67	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	84	our $DB_ENV;
69		85
70	our %CFG;	86	our %CFG;
71		87
72	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
74		91
75	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		95
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $tick_start; # for load detecting purposes
		102
87	binmode STDOUT;	103	binmode STDOUT;
88	binmode STDERR;	104	binmode STDERR;
89		105
90	# read virtual server time, if available	106	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
95	}	111	}
96		112
97	mkdir cf::localdir;	113	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		115
104	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
105		117
106	sub cf::map::normalise;	118	sub cf::map::normalise;
107		119
…		…
118	=item $cf::RUNTIME	130	=item $cf::RUNTIME
119		131
120	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
121	every server tick.	133	every server tick.
122		134
123	=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
124		138
125	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		143
128	=item $cf::NOW	144	=item $cf::NOW
129		145
130	The time of the last (current) server tick.	146	The time of the last (current) server tick.
131		147
132	=item $cf::TICK	148	=item $cf::TICK
133		149
134	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
135		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
136	=item %cf::CFG	162	=item %cf::CFG
137		163
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	165	from wherever your confdir points to.
140		166
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		168
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
145	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
147		178
148	=back	179	=back
149		180
150	=cut	181	=cut
151		182
152	BEGIN {	183	BEGIN {
153	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	185	my $msg = join "", @_;
155	utf8::encode $msg;
156		186
157	$msg .= "\n"	187	$msg .= "\n"
158	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
159		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
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;
		2024	cf::cede_to_tick;
1488		2025
1489	$self->_load_objects ($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)
1490	or return;	2029	or return;
1491		2030
1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1493	if delete $self->{load_original};	2032	if delete $self->{load_original};
1494		2033
1495	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1496	utf8::encode $uniq;	2035	utf8::encode $uniq;
1497	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1498	$self->clear_unique_items;	2038	$self->clear_unique_items;
1499	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1500	}	2042	}
1501	}	2043	}
1502		2044
1503	Coro::cede;	2045	$f->resolve_delayed_derefs;
1504		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	$self->link_multipart_objects;
1507
1508	unless ($self->{deny_activate}) {
1509	$self->decay_objects;
1510	$self->fix_auto_apply;
1511	$self->update_buttons;
1512	Coro::cede;
1513	$self->set_darkness_map;
1514	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1515	unless $self->difficulty;	2051	unless $self->difficulty;
1516	Coro::cede;	2052	cf::cede_to_tick;
		2053
		2054	unless ($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;
1517	$self->activate;	2061	$self->activate;
		2062	}
		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
		2067	$self->in_memory (cf::MAP_IN_MEMORY);
1518	}	2068	}
1519		2069
1520	$self->post_load;	2070	$self->post_load;
1521
1522	$self->in_memory (cf::MAP_IN_MEMORY);
1523	}	2071	}
1524		2072
1525	sub customise_for {	2073	sub customise_for {
1526	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1527		2075
1528	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1529	if $self->per_player;	2077	if $self->per_player;
1530		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1531	$self	2082	$self
1532	}	2083	}
1533		2084
1534	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1535	sub load_diag {	2086	sub load_neighbours {
1536	my ($map) = @_;	2087	my ($map) = @_;
1537		2088
1538	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1539		2090
1540	for (0 .. 3) {	2091	for (0 .. 3) {
1541	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1542	or next;	2093	or next;
1543	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1544	or next;	2095	or next;
1545	$neigh->load;	2096	$neigh->load;
1546		2097
		2098	push @neigh,
1547	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1548	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1549	}	2101	}
1550		2102
1551	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1552	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1553	or next;	2106	or next;
1554	$neigh->load;	2107	$neigh->load;
1555	}	2108	}
1556	}	2109	}
1557		2110
…		…
1562	}	2115	}
1563		2116
1564	sub do_load_sync {	2117	sub do_load_sync {
1565	my ($map) = @_;	2118	my ($map) = @_;
1566		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1567	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1568	}	2124	}
1569		2125
1570	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1571	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1572		2128
1573	sub find_async {	2129	sub find_async {
1574	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1575		2131
1576	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1577		2133
1578	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1580	}	2136	}
1581		2137
1582	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1583	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1584	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1585	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1586	my $map = find $path	2145	if (my $map = find $k) {
1587	or next;
1588	$map->load;	2146	$map->load if $v;
		2147	}
1589		2148
1590	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1591	}	2150	}
1592	}	2151	}
1593	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1594	};	2153	};
1595	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1598	}	2157	}
1599		2158
1600	sub save {	2159	sub save {
1601	my ($self) = @_;	2160	my ($self) = @_;
1602		2161
1603	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1604		2163
1605	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1606		2165
1607	return unless $self->dirty;	2166	return unless $self->dirty;
1608		2167
…		…
1614	return if $self->{deny_save};	2173	return if $self->{deny_save};
1615		2174
1616	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1617		2176
1618	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1619	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1620	};	2180	};
1621		2181
1622	if ($uniq) {	2182	if ($uniq) {
1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1631	my ($self) = @_;	2191	my ($self) = @_;
1632		2192
1633	# save first because save cedes	2193	# save first because save cedes
1634	$self->save;	2194	$self->save;
1635		2195
1636	my $lock = cf::lock_acquire "map_data:" . $self->path;	2196	my $lock = cf::lock_acquire "map_data:$self->{path}";
1637		2197
1638	return if $self->players;	2198	return if $self->players;
1639	return if $self->in_memory != cf::MAP_IN_MEMORY;	2199	return if $self->in_memory != cf::MAP_IN_MEMORY;
1640	return if $self->{deny_save};	2200	return if $self->{deny_save};
1641		2201
		2202	$self->in_memory (cf::MAP_SWAPPED);
		2203
		2204	$self->deactivate;
		2205	$_->clear_links_to ($self) for values %cf::MAP;
1642	$self->clear;	2206	$self->clear;
1643	$self->in_memory (cf::MAP_SWAPPED);
1644	}	2207	}
1645		2208
1646	sub reset_at {	2209	sub reset_at {
1647	my ($self) = @_;	2210	my ($self) = @_;
1648		2211
1649	# TODO: safety, remove and allow resettable per-player maps	2212	# TODO: safety, remove and allow resettable per-player maps
1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1651	return 1e99 if $self->{deny_reset};	2213	return 1e99 if $self->{deny_reset};
1652		2214
1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1655		2217
…		…
1666	my ($self) = @_;	2228	my ($self) = @_;
1667		2229
1668	my $lock = cf::lock_acquire "map_data:$self->{path}";	2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
1669		2231
1670	return if $self->players;	2232	return if $self->players;
1671	return if $self->isa ("ext::map_per_player");#d#
1672		2233
1673	warn "resetting map ", $self->path;#d#	2234	warn "resetting map ", $self->path;
1674		2235
1675	$self->in_memory (cf::MAP_SWAPPED);	2236	$self->in_memory (cf::MAP_SWAPPED);
1676		2237
1677	# need to save uniques path	2238	# need to save uniques path
1678	unless ($self->{deny_save}) {	2239	unless ($self->{deny_save}) {
…		…
1682	if $uniq;	2243	if $uniq;
1683	}	2244	}
1684		2245
1685	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1686		2247
		2248	$self->deactivate;
		2249	$_->clear_links_to ($self) for values %cf::MAP;
1687	$self->clear;	2250	$self->clear;
1688
1689	$_->clear_links_to ($self) for values %cf::MAP;
1690		2251
1691	$self->unlink_save;	2252	$self->unlink_save;
1692	$self->destroy;	2253	$self->destroy;
1693	}	2254	}
1694		2255
1695	my $nuke_counter = "aaaa";	2256	my $nuke_counter = "aaaa";
1696		2257
1697	sub nuke {	2258	sub nuke {
1698	my ($self) = @_;	2259	my ($self) = @_;
1699		2260
		2261	{
		2262	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2263
1700	delete $cf::MAP{$self->path};	2264	delete $cf::MAP{$self->path};
1701		2265
1702	$self->unlink_save;	2266	$self->unlink_save;
1703		2267
1704	bless $self, "cf::map";	2268	bless $self, "cf::map";
1705	delete $self->{deny_reset};	2269	delete $self->{deny_reset};
1706	$self->{deny_save} = 1;	2270	$self->{deny_save} = 1;
1707	$self->reset_timeout (1);	2271	$self->reset_timeout (1);
1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1709		2273
1710	$cf::MAP{$self->path} = $self;	2274	$cf::MAP{$self->path} = $self;
		2275	}
1711		2276
1712	$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	]
1713	}	2314	}
1714		2315
1715	=item cf::map::unique_maps	2316	=item cf::map::unique_maps
1716		2317
1717	Returns an arrayref of paths of all shared maps that have	2318	Returns an arrayref of paths of all shared maps that have
1718	instantiated unique items. May block.	2319	instantiated unique items. May block.
1719		2320
1720	=cut	2321	=cut
1721		2322
1722	sub unique_maps() {	2323	sub unique_maps() {
1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2324	[
1724	or return;	2325	map {
1725
1726	my @paths;
1727
1728	for (@$files) {
1729	utf8::decode $_;	2326	utf8::decode $_;
1730	next if /\.pst$/;	2327	/\.map$/
1731	next unless /^$PATH_SEP/o;	2328	? normalise $_
1732		2329	: ()
1733	push @paths, cf::map::normalise $_;	2330	} @{ aio_readdir $UNIQUEDIR or [] }
1734	}	2331	]
1735
1736	\@paths
1737	}	2332	}
1738		2333
1739	package cf;	2334	package cf;
1740		2335
1741	=back	2336	=back
…		…
1759	map { $_, inv_recursive_ $_->inv } @_	2354	map { $_, inv_recursive_ $_->inv } @_
1760	}	2355	}
1761		2356
1762	sub inv_recursive {	2357	sub inv_recursive {
1763	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	}
1764	}	2387	}
1765		2388
1766	package cf;	2389	package cf;
1767		2390
1768	=back	2391	=back
…		…
1787		2410
1788	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2411	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1789		2412
1790	if ($self->{record_replies}) {	2413	if ($self->{record_replies}) {
1791	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2414	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2415
1792	} 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 {
1793	$msg = $npc->name . " says: $msg" if $npc;	2424	$msg = $npc->name . " says: $msg" if $npc;
1794	$self->message ($msg, $flags);	2425	$self->message ($msg, $flags);
		2426	}
1795	}	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 (@_);
1796	}	2438	}
1797		2439
1798	=item $player_object->may ("access")	2440	=item $player_object->may ("access")
1799		2441
1800	Returns wether the given player is authorized to access resource "access"	2442	Returns wether the given player is authorized to access resource "access"
…		…
1847	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1848		2490
1849	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1850		2492
1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1852	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1853		2495
1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1855	}	2497	}
1856		2498
1857	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1858	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1859		2503
1860	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1861		2505
1862	unless ($map) {	2506	unless ($map) {
1863	# restore original map position	2507	# restore original map position
…		…
1877	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1878	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1879	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1880		2524
1881	$map->load;	2525	$map->load;
1882	$map->load_diag;	2526	$map->load_neighbours;
1883		2527
1884	return unless $self->contr->active;	2528	return unless $self->contr->active;
1885	$self->activate_recursive;	2529	$self->activate_recursive;
1886		2530
1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1888	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1889	}	2533	}
1890		2534
1891	cf::player->attach (	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1892	on_logout => sub {
1893	my ($pl) = @_;
1894		2536
1895	# abort map switching before logout	2537	Moves the player to the given map-path and coordinates by first freezing
1896	if ($pl->ob->{_link_pos}) {	2538	her, loading and preparing them map, calling the provided $check callback
1897	cf::sync_job {	2539	that has to return the map if sucecssful, and then unfreezes the player on
1898	$pl->ob->leave_link	2540	the new (success) or old (failed) map position. In either case, $done will
1899	};	2541	be called at the end of this process.
1900	}
1901	},
1902	on_login => sub {
1903	my ($pl) = @_;
1904		2542
1905	# try to abort aborted map switching on player login :)
1906	# should happen only on crashes
1907	if ($pl->ob->{_link_pos}) {
1908	$pl->ob->enter_link;
1909	(async {
1910	$pl->ob->reply (undef,
1911	"There was an internal problem at your last logout, "
1912	. "the server will try to bring you to your intended destination in a second.",
1913	cf::NDI_RED);
1914	# we need this sleep as the login has a concurrent enter_exit running
1915	# and this sleep increases chances of the player not ending up in scorn
1916	Coro::Timer::sleep 1;
1917	$pl->ob->leave_link;
1918	})->prio (2);
1919	}
1920	},
1921	);
1922
1923	=item $player_object->goto ($path, $x, $y)
1924
1925	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1926		2546
1927	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1928	my ($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;
1929		2552
1930	$self->enter_link;	2553	$self->enter_link;
1931		2554
1932	(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
1933	my $map = eval {	2577	my $map = eval {
1934	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1935	$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
1936	$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 $@;
1937	} or	2593	}
1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1939		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1940	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1941	})->prio (1);	2601	})->prio (1);
1942	}	2602	}
1943		2603
1944	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1945		2605
…		…
1982	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
1983	}	2643	}
1984		2644
1985	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1986		2646
1987	my $data = cf::to_json $rmp;	2647	my $data = cf::encode_json $rmp;
1988	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
1990		2650
1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1992	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
1993	undef $fh;	2653	undef $fh;
1994	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
…		…
2014	my $hp = $exit->stats->hp;	2674	my $hp = $exit->stats->hp;
2015	my $sp = $exit->stats->sp;	2675	my $sp = $exit->stats->sp;
2016		2676
2017	$self->enter_link;	2677	$self->enter_link;
2018		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
2019	(async {	2683	(async {
		2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2685
2020	$self->deactivate_recursive; # just to be sure	2686	$self->deactivate_recursive; # just to be sure
2021	unless (eval {	2687	unless (eval {
2022	$self->goto ($slaying, $hp, $sp);	2688	$self->goto ($slaying, $hp, $sp);
2023		2689
2024	1;	2690	1;
…		…
2050		2716
2051	utf8::encode $text;	2717	utf8::encode $text;
2052	$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);
2053	}	2719	}
2054		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
2055	=item $client->ext_event ($type, %msg)	2845	=item $client->ext_msg ($type, @msg)
2056		2846
2057	Sends an exti event to the client.	2847	Sends an ext event to the client.
2058		2848
2059	=cut	2849	=cut
2060		2850
2061	sub cf::client::ext_event($$%) {	2851	sub cf::client::ext_msg($$@) {
2062	my ($self, $type, %msg) = @_;	2852	my ($self, $type, @msg) = @_;
2063		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2856	} elsif ($self->extcmd == 1) { # TODO: remove
2064	$msg{msgtype} = "event_$type";	2857	push @msg, msgtype => "event_$type";
2065	$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	}
2066	}	2878	}
2067		2879
2068	=item $success = $client->query ($flags, "text", \&cb)	2880	=item $success = $client->query ($flags, "text", \&cb)
2069		2881
2070	Queues a query to the client, calling the given callback with	2882	Queues a query to the client, calling the given callback with
2071	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>,
2072	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>.
2073		2885
2074	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
2075	reliable at some point in the future.	2887	become reliable at some point in the future.
2076		2888
2077	=cut	2889	=cut
2078		2890
2079	sub cf::client::query {	2891	sub cf::client::query {
2080	my ($self, $flags, $text, $cb) = @_;	2892	my ($self, $flags, $text, $cb) = @_;
…		…
2088	utf8::encode $text;	2900	utf8::encode $text;
2089	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2901	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2090		2902
2091	$self->send_packet ($self->{query_queue}[0][0])	2903	$self->send_packet ($self->{query_queue}[0][0])
2092	if @{ $self->{query_queue} } == 1;	2904	if @{ $self->{query_queue} } == 1;
		2905
		2906	1
2093	}	2907	}
2094		2908
2095	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	},
2096	on_reply => sub {	2915	on_reply => sub {
2097	my ($ns, $msg) = @_;	2916	my ($ns, $msg) = @_;
2098		2917
2099	# this weird shuffling is so that direct followup queries	2918	# this weird shuffling is so that direct followup queries
2100	# get handled first	2919	# get handled first
…		…
2112	} else {	2931	} else {
2113	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2932	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2114	}	2933	}
2115	}	2934	}
2116	},	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	},
2117	);	2962	);
2118		2963
2119	=item $client->async (\&cb)	2964	=item $client->async (\&cb)
2120		2965
2121	Create a new coroutine, running the specified callback. The coroutine will	2966	Create a new coroutine, running the specified callback. The coroutine will
…		…
2162	our $safe = new Safe "safe";	3007	our $safe = new Safe "safe";
2163	our $safe_hole = new Safe::Hole;	3008	our $safe_hole = new Safe::Hole;
2164		3009
2165	$SIG{FPE} = 'IGNORE';	3010	$SIG{FPE} = 'IGNORE';
2166		3011
2167	$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	));
2168		3017
2169	# here we export the classes and methods available to script code	3018	# here we export the classes and methods available to script code
2170		3019
2171	=pod	3020	=pod
2172		3021
2173	The following functions and methods are available within a safe environment:	3022	The following functions and methods are available within a safe environment:
2174		3023
2175	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
2176	cf::object::player player	3028	cf::object::player
2177	cf::player peaceful	3029	player
2178	cf::map trigger	3030
		3031	cf::player
		3032	peaceful
		3033
		3034	cf::map
		3035	trigger
2179		3036
2180	=cut	3037	=cut
2181		3038
2182	for (	3039	for (
2183	["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)],
2184	["cf::object::player" => qw(player)],	3043	["cf::object::player" => qw(player)],
2185	["cf::player" => qw(peaceful)],	3044	["cf::player" => qw(peaceful)],
2186	["cf::map" => qw(trigger)],	3045	["cf::map" => qw(trigger)],
2187	) {	3046	) {
2188	no strict 'refs';	3047	no strict 'refs';
…		…
2259	=back	3118	=back
2260		3119
2261	=cut	3120	=cut
2262		3121
2263	#############################################################################	3122	#############################################################################
2264
2265	=head2 EXTENSION DATABASE SUPPORT
2266
2267	Crossfire maintains a very simple database for extension use. It can
2268	currently store anything that can be serialised using Storable, which
2269	excludes objects.
2270
2271	The parameter C<$family> should best start with the name of the extension
2272	using it, it should be unique.
2273
2274	=over 4
2275
2276	=item $value = cf::db_get $family => $key
2277
2278	Returns a single value from the database.
2279
2280	=item cf::db_put $family => $key => $value
2281
2282	Stores the given C<$value> in the family.
2283
2284	=cut
2285
2286	our $DB;
2287
2288	sub db_init {
2289	unless ($DB) {
2290	$DB = BDB::db_create $DB_ENV;
2291
2292	cf::sync_job {
2293	eval {
2294	$DB->set_flags (BDB::CHKSUM);
2295
2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298	cf::cleanup "db_open(db): $!" if $!;
2299	};
2300	cf::cleanup "db_open(db): $@" if $@;
2301	};
2302
2303	my $path = cf::localdir . "/database.pst";
2304	if (stat $path) {
2305	cf::sync_job {
2306	my $pst = Storable::retrieve $path;
2307
2308	cf::db_put (board => data => $pst->{board});
2309	cf::db_put (guildrules => data => $pst->{guildrules});
2310	cf::db_put (rent => balance => $pst->{rent}{balance});
2311	BDB::db_env_txn_checkpoint $DB_ENV;
2312
2313	unlink $path;
2314	};
2315	}
2316	}
2317	}
2318
2319	sub db_get($$) {
2320	my $key = "$_[0]/$_[1]";
2321
2322	cf::sync_job {
2323	BDB::db_get $DB, undef, $key, my $data;
2324
2325	$! ? ()
2326	: Compress::LZF::sthaw $data
2327	}
2328	}
2329
2330	sub db_put($$$) {
2331	BDB::dbreq_pri 4;
2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2333	}
2334
2335	#############################################################################
2336	# the server's init and main functions	3123	# the server's init and main functions
2337		3124
2338	sub load_facedata {	3125	sub load_facedata($) {
2339	my $path = sprintf "%s/facedata", cf::datadir;	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;
2340		3133
2341	warn "loading facedata from $path\n";	3134	warn "loading facedata from $path\n";
2342		3135
2343	my $facedata;	3136	my $facedata;
2344	0 < aio_load $path, $facedata	3137	0 < aio_load $path, $facedata
…		…
2347	$facedata = Coro::Storable::thaw $facedata;	3140	$facedata = Coro::Storable::thaw $facedata;
2348		3141
2349	$facedata->{version} == 2	3142	$facedata->{version} == 2
2350	or cf::cleanup "$path: version mismatch, cannot proceed.";	3143	or cf::cleanup "$path: version mismatch, cannot proceed.";
2351		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
2352	{	3152	{
2353	my $faces = $facedata->{faceinfo};	3153	my $faces = $facedata->{faceinfo};
2354		3154
2355	while (my ($face, $info) = each %$faces) {	3155	while (my ($face, $info) = each %$faces) {
2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3157
2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3158	cf::face::set_visibility $idx, $info->{visibility};
		3159	cf::face::set_magicmap $idx, $info->{magicmap};
2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2360	Coro::cede;	3162
		3163	cf::cede_to_tick;
2361	}	3164	}
2362		3165
2363	while (my ($face, $info) = each %$faces) {	3166	while (my ($face, $info) = each %$faces) {
2364	next unless $info->{smooth};	3167	next unless $info->{smooth};
		3168
2365	my $idx = cf::face::find $face	3169	my $idx = cf::face::find $face
2366	or next;	3170	or next;
		3171
2367	if (my $smooth = cf::face::find $info->{smooth}) {	3172	if (my $smooth = cf::face::find $info->{smooth}) {
		3173	cf::face::set_smooth $idx, $smooth;
2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3174	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2369	} else {	3175	} else {
2370	warn "smooth face '$info->{smooth}' not found for face '$face'";	3176	warn "smooth face '$info->{smooth}' not found for face '$face'";
2371	}	3177	}
2372	Coro::cede;	3178
		3179	cf::cede_to_tick;
2373	}	3180	}
2374	}	3181	}
2375		3182
2376	{	3183	{
2377	my $anims = $facedata->{animinfo};	3184	my $anims = $facedata->{animinfo};
2378		3185
2379	while (my ($anim, $info) = each %$anims) {	3186	while (my ($anim, $info) = each %$anims) {
2380	cf::anim::set $anim, $info->{frames}, $info->{facings};	3187	cf::anim::set $anim, $info->{frames}, $info->{facings};
2381	Coro::cede;	3188	cf::cede_to_tick;
2382	}	3189	}
2383		3190
2384	cf::anim::invalidate_all; # d'oh	3191	cf::anim::invalidate_all; # d'oh
2385	}	3192	}
2386		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
2387	1	3229	1
2388	}	3230	}
2389		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
		3274	sub reload_facedata {
		3275	load_facedata "$DATADIR/facedata"
		3276	or die "unable to load facedata\n";
		3277	}
		3278
		3279	sub reload_archetypes {
		3280	load_resource_file "$DATADIR/archetypes"
		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";
		3287	}
		3288
		3289	sub reload_treasures {
		3290	load_resource_file "$DATADIR/treasures"
		3291	or die "unable to load treasurelists\n";
		3292	}
		3293
2390	sub reload_resources {	3294	sub reload_resources {
2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3295	warn "reloading resource files...\n";
2392	or die "unable to load regions file\n";#d#	3296
		3297	reload_regions;
2393	load_facedata	3298	reload_facedata;
2394	or die "unable to load facedata\n";#d#	3299	#reload_archetypes;#d#
		3300	reload_archetypes;
		3301	reload_treasures;
		3302
		3303	warn "finished reloading resource files\n";
2395	}	3304	}
2396		3305
2397	sub init {	3306	sub init {
2398	reload_resources;	3307	reload_resources;
2399	}	3308	}
2400		3309
2401	sub cfg_load {	3310	sub reload_config {
2402	open my $fh, "<:utf8", cf::confdir . "/config"	3311	open my $fh, "<:utf8", "$CONFDIR/config"
2403	or return;	3312	or return;
2404		3313
2405	local $/;	3314	local $/;
2406	*CFG = YAML::Syck::Load <$fh>;	3315	*CFG = YAML::Load <$fh>;
2407		3316
2408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2409		3318
2410	$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};
2411	$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};
…		…
2422	sub main {	3331	sub main {
2423	# we must not ever block the main coroutine	3332	# we must not ever block the main coroutine
2424	local $Coro::idle = sub {	3333	local $Coro::idle = sub {
2425	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#
2426	(async {	3335	(async {
2427	Event::one_event;	3336	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3337	EV::loop EV::LOOP_ONESHOT;
2428	})->prio (Coro::PRIO_MAX);	3338	})->prio (Coro::PRIO_MAX);
2429	};	3339	};
2430		3340
2431	cfg_load;	3341	reload_config;
2432	db_init;	3342	db_init;
2433	load_extensions;	3343	load_extensions;
2434		3344
2435	$TICK_WATCHER->start;	3345	$TICK_WATCHER->start;
		3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2436	Event::loop;	3347	EV::loop;
2437	}	3348	}
2438		3349
2439	#############################################################################	3350	#############################################################################
2440	# initialisation and cleanup	3351	# initialisation and cleanup
2441		3352
2442	# install some emergency cleanup handlers	3353	# install some emergency cleanup handlers
2443	BEGIN {	3354	BEGIN {
		3355	our %SIGWATCHER = ();
2444	for my $signal (qw(INT HUP TERM)) {	3356	for my $signal (qw(INT HUP TERM)) {
2445	Event->signal (	3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2446	reentrant => 0,
2447	data => WF_AUTOCANCEL,
2448	signal => $signal,
2449	prio => 0,
2450	cb => sub {
2451	cf::cleanup "SIG$signal";	3358	cf::cleanup "SIG$signal";
2452	},
2453	);	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
2454	}	3398	1
2455	}	3399	}
2456		3400
2457	sub emergency_save() {	3401	sub emergency_save() {
2458	my $freeze_guard = cf::freeze_mainloop;	3402	my $freeze_guard = cf::freeze_mainloop;
2459		3403
…		…
2465	# and maps saved/destroyed asynchronously.	3409	# and maps saved/destroyed asynchronously.
2466	warn "begin emergency player save\n";	3410	warn "begin emergency player save\n";
2467	for my $login (keys %cf::PLAYER) {	3411	for my $login (keys %cf::PLAYER) {
2468	my $pl = $cf::PLAYER{$login} or next;	3412	my $pl = $cf::PLAYER{$login} or next;
2469	$pl->valid or next;	3413	$pl->valid or next;
		3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2470	$pl->save;	3415	$pl->save;
2471	}	3416	}
2472	warn "end emergency player save\n";	3417	warn "end emergency player save\n";
2473		3418
2474	warn "begin emergency map save\n";	3419	warn "begin emergency map save\n";
…		…
2492		3437
2493	warn Carp::longmess "post_cleanup backtrace"	3438	warn Carp::longmess "post_cleanup backtrace"
2494	if $make_core;	3439	if $make_core;
2495	}	3440	}
2496		3441
2497	sub reload() {	3442	sub do_reload_perl() {
2498	# can/must only be called in main	3443	# can/must only be called in main
2499	if ($Coro::current != $Coro::main) {	3444	if ($Coro::current != $Coro::main) {
2500	warn "can only reload from main coroutine";	3445	warn "can only reload from main coroutine";
2501	return;	3446	return;
2502	}	3447	}
…		…
2513	warn "syncing database to disk";	3458	warn "syncing database to disk";
2514	BDB::db_env_txn_checkpoint $DB_ENV;	3459	BDB::db_env_txn_checkpoint $DB_ENV;
2515		3460
2516	# 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
2517		3462
2518	warn "cancelling all WF_AUTOCANCEL watchers";
2519	for (Event::all_watchers) {
2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2521	}
2522
2523	warn "flushing outstanding aio requests";	3463	warn "flushing outstanding aio requests";
2524	for (;;) {	3464	for (;;) {
2525	BDB::flush;	3465	BDB::flush;
2526	IO::AIO::flush;	3466	IO::AIO::flush;
2527	Coro::cede;	3467	Coro::cede_notself;
2528	last unless IO::AIO::nreqs || BDB::nreqs;	3468	last unless IO::AIO::nreqs || BDB::nreqs;
2529	warn "iterate...";	3469	warn "iterate...";
2530	}	3470	}
2531		3471
2532	++$RELOAD;	3472	++$RELOAD;
…		…
2536	%EXT_CORO = ();	3476	%EXT_CORO = ();
2537		3477
2538	warn "removing commands";	3478	warn "removing commands";
2539	%COMMAND = ();	3479	%COMMAND = ();
2540		3480
2541	warn "removing ext commands";	3481	warn "removing ext/exti commands";
2542	%EXTCMD = ();	3482	%EXTCMD = ();
		3483	%EXTICMD = ();
2543		3484
2544	warn "unloading/nuking all extensions";	3485	warn "unloading/nuking all extensions";
2545	for my $pkg (@EXTS) {	3486	for my $pkg (@EXTS) {
2546	warn "... unloading $pkg";	3487	warn "... unloading $pkg";
2547		3488
…		…
2577	Symbol::delete_package "safe::$_"	3518	Symbol::delete_package "safe::$_"
2578	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);
2579		3520
2580	warn "unloading cf.pm \"a bit\"";	3521	warn "unloading cf.pm \"a bit\"";
2581	delete $INC{"cf.pm"};	3522	delete $INC{"cf.pm"};
		3523	delete $INC{"cf/pod.pm"};
2582		3524
2583	# don't, removes xs symbols, too,	3525	# don't, removes xs symbols, too,
2584	# and global variables created in xs	3526	# and global variables created in xs
2585	#Symbol::delete_package __PACKAGE__;	3527	#Symbol::delete_package __PACKAGE__;
2586		3528
…		…
2589	warn "reloading cf.pm";	3531	warn "reloading cf.pm";
2590	require cf;	3532	require cf;
2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2592		3534
2593	warn "loading config and database again";	3535	warn "loading config and database again";
2594	cf::cfg_load;	3536	cf::reload_config;
2595		3537
2596	warn "loading extensions";	3538	warn "loading extensions";
2597	cf::load_extensions;	3539	cf::load_extensions;
2598		3540
2599	warn "reattaching attachments to objects/players";	3541	warn "reattaching attachments to objects/players";
…		…
2601	warn "reattaching attachments to maps";	3543	warn "reattaching attachments to maps";
2602	reattach $_ for values %MAP;	3544	reattach $_ for values %MAP;
2603	warn "reattaching attachments to players";	3545	warn "reattaching attachments to players";
2604	reattach $_ for values %PLAYER;	3546	reattach $_ for values %PLAYER;
2605		3547
2606	warn "loading reloadable resources";
2607	reload_resources;
2608
2609	warn "leaving sync_job";	3548	warn "leaving sync_job";
2610		3549
2611	1	3550	1
2612	} or do {	3551	} or do {
2613	warn $@;	3552	warn $@;
…		…
2618	warn "reloaded";	3557	warn "reloaded";
2619	};	3558	};
2620		3559
2621	our $RELOAD_WATCHER; # used only during reload	3560	our $RELOAD_WATCHER; # used only during reload
2622		3561
		3562	sub reload_perl() {
		3563	# doing reload synchronously and two reloads happen back-to-back,
		3564	# coro crashes during coro_state_free->destroy here.
		3565
		3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3567	undef $RELOAD_WATCHER;
		3568	do_reload_perl;
		3569	};
		3570	}
		3571
2623	register_command "reload" => sub {	3572	register_command "reload" => sub {
2624	my ($who, $arg) = @_;	3573	my ($who, $arg) = @_;
2625		3574
2626	if ($who->flag (FLAG_WIZ)) {	3575	if ($who->flag (FLAG_WIZ)) {
2627	$who->message ("reloading server.");	3576	$who->message ("reloading server.");
2628		3577	async {
2629	# doing reload synchronously and two reloads happen back-to-back,	3578	$Coro::current->{desc} = "perl_reload";
2630	# coro crashes during coro_state_free->destroy here.
2631
2632	$RELOAD_WATCHER ||= Event->timer (
2633	reentrant => 0,
2634	after => 0,
2635	data => WF_AUTOCANCEL,
2636	cb => sub {
2637	reload;	3579	reload_perl;
2638	undef $RELOAD_WATCHER;
2639	},
2640	);	3580	};
2641	}	3581	}
2642	};	3582	};
2643		3583
2644	unshift @INC, $LIBDIR;	3584	unshift @INC, $LIBDIR;
2645		3585
2646	my $bug_warning = 0;	3586	my $bug_warning = 0;
2647		3587
2648	$TICK_WATCHER = Event->timer (	3588	our @WAIT_FOR_TICK;
2649	reentrant => 0,	3589	our @WAIT_FOR_TICK_BEGIN;
2650	parked => 1,	3590
2651	prio => 0,	3591	sub wait_for_tick {
2652	at => $NEXT_TICK || $TICK,	3592	return unless $TICK_WATCHER->is_active;
2653	data => WF_AUTOCANCEL,	3593	return if $Coro::current == $Coro::main;
2654	cb => sub {	3594
		3595	my $signal = new Coro::Signal;
		3596	push @WAIT_FOR_TICK, $signal;
		3597	$signal->wait;
		3598	}
		3599
		3600	sub wait_for_tick_begin {
		3601	return unless $TICK_WATCHER->is_active;
		3602	return if $Coro::current == $Coro::main;
		3603
		3604	my $signal = new Coro::Signal;
		3605	push @WAIT_FOR_TICK_BEGIN, $signal;
		3606	$signal->wait;
		3607	}
		3608
		3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2655	if ($Coro::current != $Coro::main) {	3610	if ($Coro::current != $Coro::main) {
2656	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"
2657	unless ++$bug_warning > 10;	3612	unless ++$bug_warning > 10;
2658	return;	3613	return;
2659	}	3614	}
2660		3615
2661	$NOW = Event::time;	3616	$NOW = $tick_start = EV::now;
2662		3617
2663	cf::server_tick; # one server iteration	3618	cf::server_tick; # one server iteration
		3619
2664	$RUNTIME += $TICK;	3620	$RUNTIME += $TICK;
2665	$NEXT_TICK += $TICK;	3621	$NEXT_TICK = $_[0]->at;
2666		3622
2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668	$NEXT_RUNTIME_WRITE = $NOW + 10;	3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2669	Coro::async_pool {	3625	Coro::async_pool {
		3626	$Coro::current->{desc} = "runtime saver";
2670	write_runtime	3627	write_runtime
2671	or warn "ERROR: unable to write runtime file: $!";	3628	or warn "ERROR: unable to write runtime file: $!";
2672	};
2673	}	3629	};
2674
2675	$WAIT_FOR_TICK->broadcast;
2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677
2678	# my $AFTER = Event::time;
2679	# warn $AFTER - $NOW;#d#
2680
2681	# if we are delayed by four ticks or more, skip them all
2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2683
2684	$TICK_WATCHER->at ($NEXT_TICK);
2685	$TICK_WATCHER->start;
2686	},	3630	}
2687	);	3631
		3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3633	$sig->send;
		3634	}
		3635	while (my $sig = shift @WAIT_FOR_TICK) {
		3636	$sig->send;
		3637	}
		3638
		3639	$LOAD = ($NOW - $tick_start) / $TICK;
		3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3641
		3642	_post_tick;
		3643	};
		3644	$TICK_WATCHER->priority (EV::MAXPRI);
2688		3645
2689	{	3646	{
2690	BDB::max_poll_time $TICK * 0.1;	3647	# configure BDB
2691	$BDB_POLL_WATCHER = Event->io (	3648
2692	reentrant => 0,
2693	fd => BDB::poll_fileno,
2694	poll => 'r',
2695	prio => 0,
2696	data => WF_AUTOCANCEL,
2697	cb => \&BDB::poll_cb,
2698	);
2699	BDB::min_parallel 8;	3649	BDB::min_parallel 8;
2700		3650	BDB::max_poll_reqs $TICK * 0.1;
2701	BDB::set_sync_prepare {	3651	$Coro::BDB::WATCHER->priority (1);
2702	my $status;
2703	my $current = $Coro::current;
2704	(
2705	sub {
2706	$status = $!;
2707	$current->ready; undef $current;
2708	},
2709	sub {
2710	Coro::schedule while defined $current;
2711	$! = $status;
2712	},
2713	)
2714	};
2715		3652
2716	unless ($DB_ENV) {	3653	unless ($DB_ENV) {
2717	$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);
2718		3659
2719	cf::sync_job {	3660	cf::sync_job {
2720	eval {	3661	eval {
2721	BDB::db_env_open	3662	BDB::db_env_open
2722	$DB_ENV,	3663	$DB_ENV,
2723	$BDB_ENV_DIR,	3664	$BDBDIR,
2724	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
2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726	0666;	3667	0666;
2727		3668
2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2729
2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731	$DB_ENV->set_lk_detect;
2732	};	3670	};
2733		3671
2734	cf::cleanup "db_env_open(db): $@" if $@;	3672	cf::cleanup "db_env_open(db): $@" if $@;
2735	};	3673	};
2736	}	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	};
2737	}	3685	}
2738		3686
2739	{	3687	{
		3688	# configure IO::AIO
		3689
2740	IO::AIO::min_parallel 8;	3690	IO::AIO::min_parallel 8;
2741
2742	undef $Coro::AIO::WATCHER;
2743	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
2744	$AIO_POLL_WATCHER = Event->io (	3692	$Coro::AIO::WATCHER->priority (1);
2745	reentrant => 0,
2746	data => WF_AUTOCANCEL,
2747	fd => IO::AIO::poll_fileno,
2748	poll => 'r',
2749	prio => 6,
2750	cb => \&IO::AIO::poll_cb,
2751	);
2752	}	3693	}
		3694
		3695	my $_log_backtrace;
		3696
		3697	sub _log_backtrace {
		3698	my ($msg, @addr) = @_;
		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	}
		3733	}
		3734
		3735	# load additional modules
		3736	use cf::pod;
2753		3737
2754	END { cf::emergency_save }	3738	END { cf::emergency_save }
2755		3739
2756	1	3740	1
2757		3741

Diff Legend

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