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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.229 by root, Sun Apr 1 00:36:34 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;
		24	use Coro::Storable;
		25	use Coro::Util ();
21		26
		27	use JSON::XS 2.01 ();
22	use BDB ();	28	use BDB ();
23	use Data::Dumper;	29	use Data::Dumper;
24	use Digest::MD5;	30	use Digest::MD5;
25	use Fcntl;	31	use Fcntl;
26	use YAML::Syck ();	32	use YAML ();
27	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
28	use Time::HiRes;	34	use Time::HiRes;
29	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
30		37
31	# configure various modules to our taste	38	# configure various modules to our taste
32	#	39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		43
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		45
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		47
45	our %COMMAND = ();	48	our %COMMAND = ();
46	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
47		50
48	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
52		56
53	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
54	our @EVENT;	58	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		59
57	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71	our %RESOURCE;
		72
		73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58	our $TICK_WATCHER;	74	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	77	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		79
65	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	84	our $DB_ENV;
67		85
68	our %CFG;	86	our %CFG;
69		87
70	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
72		91
73	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		95
82	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
85	binmode STDOUT;	103	binmode STDOUT;
86	binmode STDERR;	104	binmode STDERR;
87		105
88	# read virtual server time, if available	106	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
93	}	111	}
94		112
95	mkdir cf::localdir;	113	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		115
102	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
103		117
104	sub cf::map::normalise;	118	sub cf::map::normalise;
105		119
…		…
116	=item $cf::RUNTIME	130	=item $cf::RUNTIME
117		131
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	133	every server tick.
120		134
121	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		138
123	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
125		143
126	=item $cf::NOW	144	=item $cf::NOW
127		145
128	The time of the last (current) server tick.	146	The time of the last (current) server tick.
129		147
130	=item $cf::TICK	148	=item $cf::TICK
131		149
132	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
133		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
		161
134	=item %cf::CFG	162	=item %cf::CFG
135		163
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	165	from wherever your confdir points to.
138		166
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		168
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
145		178
146	=back	179	=back
147		180
148	=cut	181	=cut
149		182
150	BEGIN {	183	BEGIN {
151	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	185	my $msg = join "", @_;
153	utf8::encode $msg;
154		186
155	$msg .= "\n"	187	$msg .= "\n"
156	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
157		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
158	LOG llevError, $msg;	192	LOG llevError, $msg;
159	};	193	};
160	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	warn Carp::longmess $_[0];
		198	Coro::terminate;
		199	};
161		200
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	204	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		208
169	# 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
170	# within the Safe compartment.	210	# within the Safe compartment.
171	for my $pkg (qw(	211	for my $pkg (qw(
172	cf::global cf::attachable	212	cf::global cf::attachable
…		…
177	)) {	217	)) {
178	no strict 'refs';	218	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	220	}
181		221
182	$Event::DIED = sub {	222	$EV::DIED = sub {
183	warn "error in event callback: @_";	223	warn "error in event callback: @_";
184	};	224	};
		225
		226	#############################################################################
185		227
186	=head2 UTILITY FUNCTIONS	228	=head2 UTILITY FUNCTIONS
187		229
188	=over 4	230	=over 4
189		231
…		…
208	$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;
209	$d	251	$d
210	} || "[unable to dump $_[0]: '$@']";	252	} || "[unable to dump $_[0]: '$@']";
211	}	253	}
212		254
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	255	=item $ref = cf::decode_json $json
216		256
217	Converts a JSON string into the corresponding perl data structure.	257	Converts a JSON string into the corresponding perl data structure.
218		258
219	=item $json = cf::to_json $ref	259	=item $json = cf::encode_json $ref
220		260
221	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]) }
222		269
223	=item cf::lock_wait $string	270	=item cf::lock_wait $string
224		271
225	Wait until the given lock is available. See cf::lock_acquire.	272	Wait until the given lock is available. See cf::lock_acquire.
226		273
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	278	for example when the coroutine gets canceled), the lock is automatically
232	returned.	279	returned.
233		280
		281	Locks are *not* recursive, locking from the same coro twice results in a
		282	deadlocked coro.
		283
234	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
235	uses map_find and cf::map::load uses map_load).	285	uses map_find and cf::map::load uses map_load).
236		286
		287	=item $locked = cf::lock_active $string
		288
		289	Return true if the lock is currently active, i.e. somebody has locked it.
		290
237	=cut	291	=cut
238		292
239	our %LOCK;	293	our %LOCK;
		294	our %LOCKER;#d#
240		295
241	sub lock_wait($) {	296	sub lock_wait($) {
242	my ($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#
243		303
244	# wait for lock, if any	304	# wait for lock, if any
245	while ($LOCK{$key}) {	305	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	306	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	307	Coro::schedule;
…		…
253		313
254	# wait, to be sure we are not locked	314	# wait, to be sure we are not locked
255	lock_wait $key;	315	lock_wait $key;
256		316
257	$LOCK{$key} = [];	317	$LOCK{$key} = [];
		318	$LOCKER{$key} = $Coro::current;#d#
258		319
259	Coro::guard {	320	Coro::guard {
		321	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	322	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	323	$_->ready for @{ delete $LOCK{$key} };
262	}	324	}
		325	}
		326
		327	sub lock_active($) {
		328	my ($key) = @_;
		329
		330	! ! $LOCK{$key}
263	}	331	}
264		332
265	sub freeze_mainloop {	333	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	334	return unless $TICK_WATCHER->is_active;
267		335
…		…
270	};	338	};
271	$TICK_WATCHER->stop;	339	$TICK_WATCHER->stop;
272	$guard	340	$guard
273	}	341	}
274		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	$sig->wait;
		414	}
		415
275	=item cf::async { BLOCK }	416	=item cf::async { BLOCK }
276		417
277	Currently the same as Coro::async_pool, meaning you cannot use	418	Currently the same as Coro::async_pool, meaning you cannot use
278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	419	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279	thing you are allowed to do is call C<prio> on it.	420	thing you are allowed to do is call C<prio> on it.
…		…
282		423
283	BEGIN { *async = \&Coro::async_pool }	424	BEGIN { *async = \&Coro::async_pool }
284		425
285	=item cf::sync_job { BLOCK }	426	=item cf::sync_job { BLOCK }
286		427
287	The design of crossfire+ requires that the main coro ($Coro::main) is	428	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	429	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	430	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		431	acceptable.
290		432
291	If it must be done, put the blocking parts into C<sync_job>. This will run	433	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	434	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	435	server will be frozen during this time, so the block should either finish
294	fast or be very important.	436	fast or be very important.
…		…
297		439
298	sub sync_job(&) {	440	sub sync_job(&) {
299	my ($job) = @_;	441	my ($job) = @_;
300		442
301	if ($Coro::current == $Coro::main) {	443	if ($Coro::current == $Coro::main) {
		444	my $time = EV::time;
		445
302	# this is the main coro, too bad, we have to block	446	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	447	# till the operation succeeds, freezing the server :/
304		448
		449	LOG llevError, Carp::longmess "sync job";#d#
		450
305	# TODO: use suspend/resume instead	451	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	452	# (but this is cancel-safe)
307	my $freeze_guard = freeze_mainloop;	453	my $freeze_guard = freeze_mainloop;
308		454
309	my $busy = 1;	455	my $busy = 1;
310	my @res;	456	my @res;
311		457
312	(async {	458	(async {
		459	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	460	@res = eval { $job->() };
314	warn $@ if $@;	461	warn $@ if $@;
315	undef $busy;	462	undef $busy;
316	})->prio (Coro::PRIO_MAX);	463	})->prio (Coro::PRIO_MAX);
317		464
318	while ($busy) {	465	while ($busy) {
319	Coro::cede or Event::one_event;	466	if (Coro::nready) {
		467	Coro::cede_notself;
		468	} else {
		469	EV::loop EV::LOOP_ONESHOT;
320	}	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
321		479
322	wantarray ? @res : $res[0]	480	wantarray ? @res : $res[0]
323	} else {	481	} else {
324	# we are in another coroutine, how wonderful, everything just works	482	# we are in another coroutine, how wonderful, everything just works
325		483
…		…
345	$EXT_CORO{$coro+0} = $coro;	503	$EXT_CORO{$coro+0} = $coro;
346		504
347	$coro	505	$coro
348	}	506	}
349		507
350	sub write_runtime {	508	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		509
353	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.
354		514
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	515	=cut
356	or return;
357		516
358	my $value = $cf::RUNTIME + 90 + 10;	517	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	518	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		519
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	520	# we seemingly have to make a local copy of the whole thing,
363	and return;	521	# otherwise perl prematurely frees the stuff :/
		522	# TODO: investigate and fix (likely this will be rather laborious)
364		523
365	# always fsync - this file is important	524	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	525	reset_signals;
367	and return;	526	&$cb
		527	}, @args;
368		528
369	close $fh	529	wantarray ? @res : $res[-1]
370	or return;	530	}
371		531
372	aio_rename "$runtime~", $runtime	532	=item $value = cf::db_get $family => $key
373	and return;
374		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($$) {
		574	my $key = "$_[0]/$_[1]";
		575
		576	cf::sync_job {
		577	BDB::db_get $DB, undef, $key, my $data;
		578
		579	$! ? ()
		580	: $data
375	1	581	}
		582	}
		583
		584	sub db_put($$$) {
		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"
		657	}
		658
		659	=item cf::datalog type => key => value, ...
		660
		661	Log a datalog packet of the given type with the given key-value pairs.
		662
		663	=cut
		664
		665	sub datalog($@) {
		666	my ($type, %kv) = @_;
		667	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	668	}
377		669
378	=back	670	=back
379		671
380	=cut	672	=cut
…		…
387	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")
388	to it. All such attachable objects support the following methods.	680	to it. All such attachable objects support the following methods.
389		681
390	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>
391	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
392	crossfire+).	684	Deliantra).
393		685
394	=over 4	686	=over 4
395		687
396	=item $attachable->attach ($attachment, key => $value...)	688	=item $attachable->attach ($attachment, key => $value...)
397		689
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	852	$registry = $CB_TYPE[$object_type] ||= [];
561		853
562	} elsif ($type eq "subtype") {	854	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	855	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	856	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	857	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		858
567	} elsif ($type eq "package") {	859	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	860	my $pkg = shift @arg;
569		861
570	while (my ($name, $id) = each %cb_id) {	862	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	891	_attach $registry, $klass, @attach;
600	}	892	}
601		893
602	$obj->{$name} = \%arg;	894	$obj->{$name} = \%arg;
603	} else {	895	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	896	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	897	}
606		898
607	$obj->{_attachment}{$name} = undef;	899	$obj->{_attachment}{$name} = undef;
608	}	900	}
609		901
…		…
611	if (ref $_[0]) {	903	if (ref $_[0]) {
612	_object_attach @_;	904	_object_attach @_;
613	} else {	905	} else {
614	_attach shift->_attach_registry, @_;	906	_attach shift->_attach_registry, @_;
615	}	907	}
		908	_recalc_want;
616	};	909	};
617		910
618	# all those should be optimised	911	# all those should be optimised
619	sub cf::attachable::detach {	912	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	913	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	916	delete $obj->{_attachment}{$name};
624	reattach ($obj);	917	reattach ($obj);
625	} else {	918	} else {
626	Carp::croak "cannot, currently, detach class attachments";	919	Carp::croak "cannot, currently, detach class attachments";
627	}	920	}
		921	_recalc_want;
628	};	922	};
629		923
630	sub cf::attachable::attached {	924	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	925	my ($obj, $name) = @_;
632		926
…		…
647	";	941	";
648	die if $@;	942	die if $@;
649	}	943	}
650		944
651	our $override;	945	our $override;
652	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?
653		947
654	sub override {	948	sub override {
655	$override = 1;	949	$override = 1;
656	@invoke_results = ();	950	@INVOKE_RESULTS = (@_);
657	}	951	}
658		952
659	sub do_invoke {	953	sub do_invoke {
660	my $event = shift;	954	my $event = shift;
661	my $callbacks = shift;	955	my $callbacks = shift;
662		956
663	@invoke_results = ();	957	@INVOKE_RESULTS = ();
664		958
665	local $override;	959	local $override;
666		960
667	for (@$callbacks) {	961	for (@$callbacks) {
668	eval { &{$_->[1]} };	962	eval { &{$_->[1]} };
…		…
677	}	971	}
678		972
679	0	973	0
680	}	974	}
681		975
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		977
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	978	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		979
686	Generate an object-specific event with the given arguments.	980	Generate an object-specific event with the given arguments.
687		981
688	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
689	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
690	results (if you must, access C<@cf::invoke_results> directly).	984	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		985
692	=back	986	=back
693		987
694	=cut	988	=cut
695		989
696	#############################################################################	990	#############################################################################
697	# 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, $ob2
		1033	}
698		1034
699	sub reattach {	1035	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1036	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1037	my ($obj) = @_;
702		1038
…		…
723	cf::attachable->attach (	1059	cf::attachable->attach (
724	prio => -1000000,	1060	prio => -1000000,
725	on_instantiate => sub {	1061	on_instantiate => sub {
726	my ($obj, $data) = @_;	1062	my ($obj, $data) = @_;
727		1063
728	$data = from_json $data;	1064	$data = decode_json $data;
729		1065
730	for (@$data) {	1066	for (@$data) {
731	my ($name, $args) = @$_;	1067	my ($name, $args) = @$_;
732		1068
733	$obj->attach ($name, %{$args || {} });	1069	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1085	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1086	my ($filename, $rdata, $objs) = @_;
751		1087
752	sync_job {	1088	sync_job {
753	if (length $$rdata) {	1089	if (length $$rdata) {
		1090	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1091	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1092	$decname, length $$rdata, scalar @$objs;
756		1093
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1095	chmod SAVE_MODE, $fh;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1097	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1098	close $fh;
762		1099
763	if (@$objs) {	1100	if (@$objs) {
764	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) {
765	chmod SAVE_MODE, $fh;	1102	chmod SAVE_MODE, $fh;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1104	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1105	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1106	close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1107	aio_rename "$filename.pst~", "$filename.pst";
771	}	1108	}
…		…
779	}	1116	}
780	} else {	1117	} else {
781	aio_unlink $filename;	1118	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1119	aio_unlink "$filename.pst";
783	}	1120	}
784	}	1121	};
785	}	1122	}
786		1123
787	sub object_freezer_as_string {	1124	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1125	my ($rdata, $objs) = @_;
789		1126
…		…
801	or return;	1138	or return;
802		1139
803	unless (aio_stat "$filename.pst") {	1140	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1141	(aio_load "$filename.pst", $av) >= 0
805	or return;	1142	or return;
		1143
806	$av = eval { (Storable::thaw $av)->{objs} };	1144	my $st = eval { Coro::Storable::thaw $av };
		1145	$av = $st->{objs};
807	}	1146	}
808		1147
		1148	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1149	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1150	$decname, length $data, scalar @{$av || []};
		1151
811	return ($data, $av);	1152	($data, $av)
812	}	1153	}
		1154
		1155	=head2 COMMAND CALLBACKS
		1156
		1157	=over 4
		1158
		1159	=cut
813		1160
814	#############################################################################	1161	#############################################################################
815	# command handling &c	1162	# command handling &c
816		1163
817	=item cf::register_command $name => \&callback($ob,$args);	1164	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1177	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1178	}
832		1179
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1180	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1181
835	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.
836		1187
837	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
838	called.	1189	called.
839		1190
		1191	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1192
		1193	Register a callback for execution when the client sends an (asynchronous)
		1194	exticmd packet. Exti commands are processed by the server as soon as they
		1195	are received, i.e. out of order w.r.t. other commands. The first argument
		1196	is a client socket. Exti commands can be received anytime, even before
		1197	log-in.
		1198
		1199	If the callback returns something, it is sent back as if reply was being
		1200	called.
		1201
840	=cut	1202	=cut
841		1203
842	sub register_extcmd {	1204	sub register_extcmd {
843	my ($name, $cb) = @_;	1205	my ($name, $cb) = @_;
844		1206
845	$EXTCMD{$name} = $cb;	1207	$EXTCMD{$name} = $cb;
		1208	}
		1209
		1210	sub register_exticmd {
		1211	my ($name, $cb) = @_;
		1212
		1213	$EXTICMD{$name} = $cb;
846	}	1214	}
847		1215
848	cf::player->attach (	1216	cf::player->attach (
849	on_command => sub {	1217	on_command => sub {
850	my ($pl, $name, $params) = @_;	1218	my ($pl, $name, $params) = @_;
…		…
859	cf::override;	1227	cf::override;
860	},	1228	},
861	on_extcmd => sub {	1229	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1230	my ($pl, $buf) = @_;
863		1231
864	my $msg = eval { from_json $buf };	1232	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1233
866	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
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1242	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1243	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1244	}
		1245
		1246	$pl->ext_reply ($reply, @reply)
		1247	if $reply;
		1248
872	} else {	1249	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1251	}
875		1252
876	cf::override;	1253	cf::override;
877	},	1254	},
878	);	1255	);
879		1256
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	1257	sub load_extensions {
		1258	cf::sync_job {
		1259	my %todo;
		1260
915	for my $ext (<$LIBDIR/*.ext>) {	1261	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1262	next unless -r $path;
917	eval {	1263
918	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	$progress = 1;
919	1	1321	}
920	} or warn "$ext not loaded: $@";	1322
		1323	skip:
		1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1325	unless $progress;
		1326	}
921	}	1327	};
922	}	1328	}
923		1329
924	#############################################################################	1330	#############################################################################
925		1331
		1332	=back
		1333
926	=head2 CORE EXTENSIONS	1334	=head2 CORE EXTENSIONS
927		1335
928	Functions and methods that extend core crossfire objects.	1336	Functions and methods that extend core crossfire objects.
929		1337
930	=cut	1338	=cut
…		…
935		1343
936	=head3 cf::player	1344	=head3 cf::player
937		1345
938	=over 4	1346	=over 4
939		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
940	=item cf::player::find $login	1362	=item cf::player::find $login
941		1363
942	Returns the given player object, loading it if necessary (might block).	1364	Returns the given player object, loading it if necessary (might block).
943		1365
944	=cut	1366	=cut
945		1367
946	sub playerdir($) {	1368	sub playerdir($) {
947	cf::localdir	1369	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1370	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1371	}
953		1372
954	sub path($) {	1373	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1374	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1375
957	(playerdir $login) . "/$login.pl"	1376	(playerdir $login) . "/playerdata"
958	}	1377	}
959		1378
960	sub find_active($) {	1379	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1380	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1381	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1394	my $login = $_[0];
976		1395
977	my $guard = cf::lock_acquire "user_find:$login";	1396	my $guard = cf::lock_acquire "user_find:$login";
978		1397
979	$cf::PLAYER{$_[0]} || do {	1398	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1399	# rename old playerfiles to new ones
		1400	#TODO: remove when no longer required
		1401	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1402	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1403	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1404	aio_unlink +(playerdir $login) . "/$login.pl";
		1405
		1406	my $f = new_from_file cf::object::thawer path $login
981	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;
982	$cf::PLAYER{$login} = $pl	1413	$cf::PLAYER{$login} = $pl
983	}	1414	}
984	}	1415	}
985	}	1416	}
986		1417
…		…
996		1427
997	aio_mkdir playerdir $pl, 0770;	1428	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1429	$pl->{last_save} = $cf::RUNTIME;
999		1430
1000	$pl->save_pl ($path);	1431	$pl->save_pl ($path);
1001	Coro::cede;	1432	cf::cede_to_tick;
1002	}	1433	}
1003		1434
1004	sub new($) {	1435	sub new($) {
1005	my ($login) = @_;	1436	my ($login) = @_;
1006		1437
…		…
1010	$self->{deny_save} = 1;	1441	$self->{deny_save} = 1;
1011		1442
1012	$cf::PLAYER{$login} = $self;	1443	$cf::PLAYER{$login} = $self;
1013		1444
1014	$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 (@_);
1015	}	1456	}
1016		1457
1017	=item $pl->quit_character	1458	=item $pl->quit_character
1018		1459
1019	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
…		…
1068	while and may block, so not sync_job-capable, ever.	1509	while and may block, so not sync_job-capable, ever.
1069		1510
1070	=cut	1511	=cut
1071		1512
1072	sub list_logins {	1513	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1514	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1515	or return [];
1075		1516
1076	my @logins;	1517	my @logins;
1077		1518
1078	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") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1525	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1526	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1527	}
1082		1528
1083	utf8::decode $login;	1529	utf8::decode $login;
1084	push @logins, $login;	1530	push @logins, $login;
1085	}	1531	}
1086		1532
…		…
1113	}	1559	}
1114		1560
1115	\@paths	1561	\@paths
1116	}	1562	}
1117		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
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1119		1658
1120	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1121		1660
1122	=cut	1661	=cut
1123		1662
1124	sub ext_reply($$$%) {	1663	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1126		1665
1127	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1667	}
1131		1668
1132	package cf;	1669	=item $player->ext_msg ($type, @msg)
		1670
		1671	Sends an ext event to the client.
		1672
		1673	=cut
		1674
		1675	sub ext_msg($$@) {
		1676	my ($self, $type, @msg) = @_;
		1677
		1678	$self->ns->ext_msg ($type, @msg);
		1679	}
		1680
		1681	=head3 cf::region
		1682
		1683	=over 4
		1684
		1685	=cut
		1686
		1687	package cf::region;
		1688
		1689	=item cf::region::find_by_path $path
		1690
		1691	Tries to decuce the likely region for a map knowing only its path.
		1692
		1693	=cut
		1694
		1695	sub find_by_path($) {
		1696	my ($path) = @_;
		1697
		1698	my ($match, $specificity);
		1699
		1700	for my $region (list) {
		1701	if ($region->{match} && $path =~ $region->{match}) {
		1702	($match, $specificity) = ($region, $region->specificity)
		1703	if $region->specificity > $specificity;
		1704	}
		1705	}
		1706
		1707	$match
		1708	}
1133		1709
1134	=back	1710	=back
1135
1136		1711
1137	=head3 cf::map	1712	=head3 cf::map
1138		1713
1139	=over 4	1714	=over 4
1140		1715
…		…
1195	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1196		1771
1197	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1198	local $self->{path};	1773	local $self->{path};
1199	local $self->{load_path};	1774	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1775
1203	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1204	}	1777	}
1205		1778
1206	sub normalise {	1779	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1254	return $self;	1827	return $self;
1255	}	1828	}
1256	}	1829	}
1257		1830
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1832	()
1260	}	1833	}
1261		1834
1262	sub init {	1835	sub init {
1263	my ($self) = @_;	1836	my ($self) = @_;
…		…
1278		1851
1279	# the original (read-only) location	1852	# the original (read-only) location
1280	sub load_path {	1853	sub load_path {
1281	my ($self) = @_;	1854	my ($self) = @_;
1282		1855
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1856	"$MAPDIR/$self->{path}.map"
1284	}	1857	}
1285		1858
1286	# the temporary/swap location	1859	# the temporary/swap location
1287	sub save_path {	1860	sub save_path {
1288	my ($self) = @_;	1861	my ($self) = @_;
1289		1862
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1864	"$TMPDIR/$path.map"
1292	}	1865	}
1293		1866
1294	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1295	sub uniq_path {	1868	sub uniq_path {
1296	my ($self) = @_;	1869	my ($self) = @_;
1297		1870
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1872	"$UNIQUEDIR/$path"
1300	}	1873	}
1301		1874
1302	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1303	# all maps in C++...	1876	# all maps in C++...
1304	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1306		1879
1307	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1309	}	1882	}
1310		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1311	sub unlink_save {	1892	sub unlink_save {
1312	my ($self) = @_;	1893	my ($self) = @_;
1313		1894
1314	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1318		1899
1319	sub load_header_from($) {	1900	sub load_header_from($) {
1320	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1321		1902
1322	utf8::encode $path;	1903	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	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;
1328		1912
1329	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1330		1914
1331	1	1915	1
1332	}	1916	}
…		…
1371	$self->load_header_orig	1955	$self->load_header_orig
1372	or return;	1956	or return;
1373	$self->prepare_orig;	1957	$self->prepare_orig;
1374	}	1958	}
1375		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
		1963	$self->default_region (cf::region::find_by_path $self->{path})
		1964	unless $self->default_region;
		1965
1376	1	1966	1
1377	}	1967	}
1378		1968
1379	sub find;	1969	sub find;
1380	sub find {	1970	sub find {
1381	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1382		1972
1383	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1384		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1386		1977
1387	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
1388	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
1389	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1390	or return;	1983	or return;
1391		1984
1392	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1393		1986
1394	$map->load_header	1987	$map->load_header
1395	or return;	1988	or return;
1396		1989
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard1;
		1994	undef $guard2;
1400	$map->reset;	1995	$map->reset;
1401	undef $guard;
1402	return find $path;	1996	return find $path;
1403	}	1997	}
1404		1998
1405	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1406	}	2000	}
…		…
1413	my ($self) = @_;	2007	my ($self) = @_;
1414		2008
1415	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1416		2010
1417	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1419		2015
		2016	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2018
1422	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1423		2020
1424	$self->alloc;	2021	$self->alloc;
1425		2022
1426	$self->pre_load;	2023	$self->pre_load;
		2024	cf::cede_to_tick;
1427		2025
1428	$self->_load_objects ($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)
1429	or return;	2029	or return;
1430		2030
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	2032	if delete $self->{load_original};
1433		2033
1434	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2035	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2038	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1439	}	2042	}
1440	}	2043	}
1441		2044
1442	Coro::cede;	2045	$f->resolve_delayed_derefs;
1443		2046
		2047	cf::cede_to_tick;
1444	# now do the right thing for maps	2048	# now do the right thing for maps
1445	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2051	unless $self->difficulty;
1455	Coro::cede;	2052	cf::cede_to_tick;
		2053
		2054	unless ($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;
1456	$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);
1457	}	2068	}
1458		2069
1459	$self->post_load;	2070	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2071	}
1463		2072
1464	sub customise_for {	2073	sub customise_for {
1465	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1466		2075
1467	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2077	if $self->per_player;
1469		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1470	$self	2082	$self
1471	}	2083	}
1472		2084
1473	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2086	sub load_neighbours {
1475	my ($map) = @_;	2087	my ($map) = @_;
1476		2088
1477	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1478		2090
1479	for (0 .. 3) {	2091	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1481	or next;	2093	or next;
1482	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1483	or next;	2095	or next;
1484	$neigh->load;	2096	$neigh->load;
1485		2097
		2098	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2101	}
1489		2102
1490	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1492	or next;	2106	or next;
1493	$neigh->load;	2107	$neigh->load;
1494	}	2108	}
1495	}	2109	}
1496		2110
…		…
1501	}	2115	}
1502		2116
1503	sub do_load_sync {	2117	sub do_load_sync {
1504	my ($map) = @_;	2118	my ($map) = @_;
1505		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1506	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1507	}	2124	}
1508		2125
1509	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1511		2128
1512	sub find_async {	2129	sub find_async {
1513	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1514		2131
1515	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1516		2133
1517	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2136	}
1520		2137
1521	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1522	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1523	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2145	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2146	$map->load if $v;
		2147	}
1528		2148
1529	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1530	}	2150	}
1531	}	2151	}
1532	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1533	};	2153	};
1534	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2157	}
1538		2158
1539	sub save {	2159	sub save {
1540	my ($self) = @_;	2160	my ($self) = @_;
1541		2161
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2163
1544	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1545		2165
1546	return unless $self->dirty;	2166	return unless $self->dirty;
1547		2167
…		…
1553	return if $self->{deny_save};	2173	return if $self->{deny_save};
1554		2174
1555	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1556		2176
1557	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1559	};	2180	};
1560		2181
1561	if ($uniq) {	2182	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1570	my ($self) = @_;	2191	my ($self) = @_;
1571		2192
1572	# save first because save cedes	2193	# save first because save cedes
1573	$self->save;	2194	$self->save;
1574		2195
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2196	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2197
1577	return if $self->players;	2198	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2199	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2200	return if $self->{deny_save};
1580		2201
		2202	$self->in_memory (cf::MAP_SWAPPED);
		2203
		2204	$self->deactivate;
		2205	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2206	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2207	}
1584		2208
1585	sub reset_at {	2209	sub reset_at {
1586	my ($self) = @_;	2210	my ($self) = @_;
1587		2211
1588	# TODO: safety, remove and allow resettable per-player maps	2212	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2213	return 1e99 if $self->{deny_reset};
1591		2214
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2217
…		…
1605	my ($self) = @_;	2228	my ($self) = @_;
1606		2229
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2231
1609	return if $self->players;	2232	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2233
1612	warn "resetting map ", $self->path;#d#	2234	warn "resetting map ", $self->path;
1613		2235
1614	$self->in_memory (cf::MAP_SWAPPED);	2236	$self->in_memory (cf::MAP_SWAPPED);
1615		2237
1616	# need to save uniques path	2238	# need to save uniques path
1617	unless ($self->{deny_save}) {	2239	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2243	if $uniq;
1622	}	2244	}
1623		2245
1624	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1625		2247
		2248	$self->deactivate;
		2249	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2250	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2251
1630	$self->unlink_save;	2252	$self->unlink_save;
1631	$self->destroy;	2253	$self->destroy;
1632	}	2254	}
1633		2255
1634	my $nuke_counter = "aaaa";	2256	my $nuke_counter = "aaaa";
1635		2257
1636	sub nuke {	2258	sub nuke {
1637	my ($self) = @_;	2259	my ($self) = @_;
1638		2260
		2261	{
		2262	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2263
1639	delete $cf::MAP{$self->path};	2264	delete $cf::MAP{$self->path};
1640		2265
1641	$self->unlink_save;	2266	$self->unlink_save;
1642		2267
1643	bless $self, "cf::map";	2268	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2269	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2270	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2271	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2273
1649	$cf::MAP{$self->path} = $self;	2274	$cf::MAP{$self->path} = $self;
		2275	}
1650		2276
1651	$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	]
1652	}	2314	}
1653		2315
1654	=item cf::map::unique_maps	2316	=item cf::map::unique_maps
1655		2317
1656	Returns an arrayref of paths of all shared maps that have	2318	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2319	instantiated unique items. May block.
1658		2320
1659	=cut	2321	=cut
1660		2322
1661	sub unique_maps() {	2323	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2324	[
1663	or return;	2325	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2326	utf8::decode $_;
1669	next if /\.pst$/;	2327	/\.map$/
1670	next unless /^$PATH_SEP/o;	2328	? normalise $_
1671		2329	: ()
1672	push @paths, cf::map::normalise $_;	2330	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2331	]
1674
1675	\@paths
1676	}	2332	}
1677		2333
1678	package cf;	2334	package cf;
1679		2335
1680	=back	2336	=back
…		…
1698	map { $_, inv_recursive_ $_->inv } @_	2354	map { $_, inv_recursive_ $_->inv } @_
1699	}	2355	}
1700		2356
1701	sub inv_recursive {	2357	sub inv_recursive {
1702	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	}
1703	}	2387	}
1704		2388
1705	package cf;	2389	package cf;
1706		2390
1707	=back	2391	=back
…		…
1726		2410
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2411	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2412
1729	if ($self->{record_replies}) {	2413	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2414	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2415
1731	} 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 {
1732	$msg = $npc->name . " says: $msg" if $npc;	2424	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2425	$self->message ($msg, $flags);
		2426	}
1734	}	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 (@_);
1735	}	2438	}
1736		2439
1737	=item $player_object->may ("access")	2440	=item $player_object->may ("access")
1738		2441
1739	Returns wether the given player is authorized to access resource "access"	2442	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1787		2490
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2492
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1792		2495
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2497	}
1795		2498
1796	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1798		2503
1799	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1800		2505
1801	unless ($map) {	2506	unless ($map) {
1802	# restore original map position	2507	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1819		2524
1820	$map->load;	2525	$map->load;
1821	$map->load_diag;	2526	$map->load_neighbours;
1822		2527
1823	return unless $self->contr->active;	2528	return unless $self->contr->active;
1824	$self->activate_recursive;	2529	$self->activate_recursive;
1825		2530
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1828	}	2533	}
1829		2534
1830	cf::player->attach (	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2536
1834	# abort map switching before logout	2537	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2538	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2539	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2540	the new (success) or old (failed) map position. In either case, $done will
1838	};	2541	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2542
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1865		2546
1866	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1867	my ($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;
1868		2552
1869	$self->enter_link;	2553	$self->enter_link;
1870		2554
1871	(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
1872	my $map = eval {	2577	my $map = eval {
1873	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1874	$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
1875	$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 $@;
1876	} or	2593	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1880	})->prio (1);	2601	})->prio (1);
1881	}	2602	}
1882		2603
1883	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1884		2605
…		…
1921	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
1922	}	2643	}
1923		2644
1924	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1925		2646
1926	my $data = cf::to_json $rmp;	2647	my $data = cf::encode_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
1929		2650
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2653	undef $fh;
1933	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
…		…
1942		2663
1943	return unless $self->type == cf::PLAYER;	2664	return unless $self->type == cf::PLAYER;
1944		2665
1945	if ($exit->slaying eq "/!") {	2666	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2667	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2668	# the problem is that $exit might not survive long enough
		2669	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2670	cf::sync_job { prepare_random_map $exit };
1948	}	2671	}
1949		2672
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2673	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2674	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2675	my $sp = $exit->stats->sp;
1953		2676
1954	$self->enter_link;	2677	$self->enter_link;
1955		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
1956	(async {	2683	(async {
		2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2685
1957	$self->deactivate_recursive; # just to be sure	2686	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2687	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2688	$self->goto ($slaying, $hp, $sp);
1960		2689
1961	1;	2690	1;
1962	}) {	2691	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2692	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2693	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2694	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2695	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2696
1968	warn "ERROR in enter_exit: $@";	2697	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2698	$self->leave_link;
1970	}	2699	}
1971	})->prio (1);	2700	})->prio (1);
…		…
1987		2716
1988	utf8::encode $text;	2717	utf8::encode $text;
1989	$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);
1990	}	2719	}
1991		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
		2845	=item $client->ext_msg ($type, @msg)
		2846
		2847	Sends an ext event to the client.
		2848
		2849	=cut
		2850
		2851	sub cf::client::ext_msg($$@) {
		2852	my ($self, $type, @msg) = @_;
		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2856	} elsif ($self->extcmd == 1) { # TODO: remove
		2857	push @msg, msgtype => "event_$type";
		2858	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2859	}
		2860	}
		2861
		2862	=item $client->ext_reply ($msgid, @msg)
		2863
		2864	Sends an ext reply to the client.
		2865
		2866	=cut
		2867
		2868	sub cf::client::ext_reply($$@) {
		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	}
		2878	}
1992		2879
1993	=item $success = $client->query ($flags, "text", \&cb)	2880	=item $success = $client->query ($flags, "text", \&cb)
1994		2881
1995	Queues a query to the client, calling the given callback with	2882	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2883	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2884	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2885
1999	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
2000	reliable at some point in the future.	2887	become reliable at some point in the future.
2001		2888
2002	=cut	2889	=cut
2003		2890
2004	sub cf::client::query {	2891	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2892	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2900	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2901	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2902
2016	$self->send_packet ($self->{query_queue}[0][0])	2903	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2904	if @{ $self->{query_queue} } == 1;
		2905
		2906	1
2018	}	2907	}
2019		2908
2020	cf::client->attach (	2909	cf::client->attach (
		2910	on_connect => sub {
		2911	my ($ns) = @_;
		2912
		2913	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2914	},
2021	on_reply => sub {	2915	on_reply => sub {
2022	my ($ns, $msg) = @_;	2916	my ($ns, $msg) = @_;
2023		2917
2024	# this weird shuffling is so that direct followup queries	2918	# this weird shuffling is so that direct followup queries
2025	# get handled first	2919	# get handled first
…		…
2037	} else {	2931	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2932	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2933	}
2040	}	2934	}
2041	},	2935	},
		2936	on_exticmd => sub {
		2937	my ($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	},
2042	);	2962	);
2043		2963
2044	=item $client->async (\&cb)	2964	=item $client->async (\&cb)
2045		2965
2046	Create a new coroutine, running the specified callback. The coroutine will	2966	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3007	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3008	our $safe_hole = new Safe::Hole;
2089		3009
2090	$SIG{FPE} = 'IGNORE';	3010	$SIG{FPE} = 'IGNORE';
2091		3011
2092	$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	));
2093		3017
2094	# here we export the classes and methods available to script code	3018	# here we export the classes and methods available to script code
2095		3019
2096	=pod	3020	=pod
2097		3021
2098	The following functions and methods are available within a safe environment:	3022	The following functions and methods are available within a safe environment:
2099		3023
2100	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
2101	cf::object::player player	3028	cf::object::player
2102	cf::player peaceful	3029	player
2103	cf::map trigger	3030
		3031	cf::player
		3032	peaceful
		3033
		3034	cf::map
		3035	trigger
2104		3036
2105	=cut	3037	=cut
2106		3038
2107	for (	3039	for (
2108	["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)],
2109	["cf::object::player" => qw(player)],	3043	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3044	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3045	["cf::map" => qw(trigger)],
2112	) {	3046	) {
2113	no strict 'refs';	3047	no strict 'refs';
…		…
2184	=back	3118	=back
2185		3119
2186	=cut	3120	=cut
2187		3121
2188	#############################################################################	3122	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3123	# the server's init and main functions
2262		3124
2263	sub load_facedata {	3125	sub load_facedata($) {
2264	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;
2265		3133
2266	warn "loading facedata from $path\n";	3134	warn "loading facedata from $path\n";
2267		3135
2268	my $faces;	3136	my $facedata;
2269	0 < aio_load $path, $faces	3137	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3138	or die "$path: $!";
2271		3139
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3140	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3141
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3142	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3143	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		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
		3152	{
		3153	my $faces = $facedata->{faceinfo};
		3154
2280	while (my ($face, $info) = each %$faces) {	3155	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3157
		3158	cf::face::set_visibility $idx, $info->{visibility};
		3159	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	Coro::cede;
2286	}
2287		3162
		3163	cf::cede_to_tick;
		3164	}
		3165
2288	while (my ($face, $info) = each %$faces) {	3166	while (my ($face, $info) = each %$faces) {
2289	next unless $info->{smooth};	3167	next unless $info->{smooth};
		3168
2290	my $idx = cf::face::find $face	3169	my $idx = cf::face::find $face
2291	or next;	3170	or next;
		3171
2292	if (my $smooth = cf::face::find $info->{smooth}) {	3172	if (my $smooth = cf::face::find $info->{smooth}) {
2293	cf::face::set_smooth $idx, $smooth;	3173	cf::face::set_smooth $idx, $smooth;
		3174	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2294	} else {	3175	} else {
2295	warn "smooth face '$info->{smooth}' not found for face '$face'";	3176	warn "smooth face '$info->{smooth}' not found for face '$face'";
2296	}	3177	}
2297	Coro::cede;	3178
		3179	cf::cede_to_tick;
		3180	}
		3181	}
		3182
2298	}	3183	{
		3184	my $anims = $facedata->{animinfo};
		3185
		3186	while (my ($anim, $info) = each %$anims) {
		3187	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3188	cf::cede_to_tick;
		3189	}
		3190
		3191	cf::anim::invalidate_all; # d'oh
		3192	}
		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);
2299		3228
2300	1	3229	1
2301	}	3230	}
2302		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
2303	sub reload_resources {	3294	sub reload_resources {
2304	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3295	warn "reloading resource files...\n";
2305	or die "unable to load regions file\n";#d#	3296
		3297	reload_regions;
2306	load_facedata	3298	reload_facedata;
2307	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";
2308	}	3304	}
2309		3305
2310	sub init {	3306	sub init {
2311	reload_resources;	3307	reload_resources;
2312	}	3308	}
2313		3309
2314	sub cfg_load {	3310	sub reload_config {
2315	open my $fh, "<:utf8", cf::confdir . "/config"	3311	open my $fh, "<:utf8", "$CONFDIR/config"
2316	or return;	3312	or return;
2317		3313
2318	local $/;	3314	local $/;
2319	*CFG = YAML::Syck::Load <$fh>;	3315	*CFG = YAML::Load <$fh>;
2320		3316
2321	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2322		3318
2323	$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};
2324	$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};
…		…
2335	sub main {	3331	sub main {
2336	# we must not ever block the main coroutine	3332	# we must not ever block the main coroutine
2337	local $Coro::idle = sub {	3333	local $Coro::idle = sub {
2338	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#
2339	(async {	3335	(async {
2340	Event::one_event;	3336	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3337	EV::loop EV::LOOP_ONESHOT;
2341	})->prio (Coro::PRIO_MAX);	3338	})->prio (Coro::PRIO_MAX);
2342	};	3339	};
2343		3340
2344	cfg_load;	3341	reload_config;
2345	db_init;	3342	db_init;
2346	load_extensions;	3343	load_extensions;
2347		3344
2348	$TICK_WATCHER->start;	3345	$TICK_WATCHER->start;
		3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2349	Event::loop;	3347	EV::loop;
2350	}	3348	}
2351		3349
2352	#############################################################################	3350	#############################################################################
2353	# initialisation and cleanup	3351	# initialisation and cleanup
2354		3352
2355	# install some emergency cleanup handlers	3353	# install some emergency cleanup handlers
2356	BEGIN {	3354	BEGIN {
		3355	our %SIGWATCHER = ();
2357	for my $signal (qw(INT HUP TERM)) {	3356	for my $signal (qw(INT HUP TERM)) {
2358	Event->signal (	3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2359	reentrant => 0,
2360	data => WF_AUTOCANCEL,
2361	signal => $signal,
2362	prio => 0,
2363	cb => sub {
2364	cf::cleanup "SIG$signal";	3358	cf::cleanup "SIG$signal";
2365	},
2366	);	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
2367	}	3398	1
2368	}	3399	}
2369		3400
2370	sub emergency_save() {	3401	sub emergency_save() {
2371	my $freeze_guard = cf::freeze_mainloop;	3402	my $freeze_guard = cf::freeze_mainloop;
2372		3403
…		…
2378	# and maps saved/destroyed asynchronously.	3409	# and maps saved/destroyed asynchronously.
2379	warn "begin emergency player save\n";	3410	warn "begin emergency player save\n";
2380	for my $login (keys %cf::PLAYER) {	3411	for my $login (keys %cf::PLAYER) {
2381	my $pl = $cf::PLAYER{$login} or next;	3412	my $pl = $cf::PLAYER{$login} or next;
2382	$pl->valid or next;	3413	$pl->valid or next;
		3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2383	$pl->save;	3415	$pl->save;
2384	}	3416	}
2385	warn "end emergency player save\n";	3417	warn "end emergency player save\n";
2386		3418
2387	warn "begin emergency map save\n";	3419	warn "begin emergency map save\n";
…		…
2405		3437
2406	warn Carp::longmess "post_cleanup backtrace"	3438	warn Carp::longmess "post_cleanup backtrace"
2407	if $make_core;	3439	if $make_core;
2408	}	3440	}
2409		3441
2410	sub reload() {	3442	sub do_reload_perl() {
2411	# can/must only be called in main	3443	# can/must only be called in main
2412	if ($Coro::current != $Coro::main) {	3444	if ($Coro::current != $Coro::main) {
2413	warn "can only reload from main coroutine";	3445	warn "can only reload from main coroutine";
2414	return;	3446	return;
2415	}	3447	}
…		…
2426	warn "syncing database to disk";	3458	warn "syncing database to disk";
2427	BDB::db_env_txn_checkpoint $DB_ENV;	3459	BDB::db_env_txn_checkpoint $DB_ENV;
2428		3460
2429	# 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
2430		3462
2431	warn "cancelling all WF_AUTOCANCEL watchers";
2432	for (Event::all_watchers) {
2433	$_->cancel if $_->data & WF_AUTOCANCEL;
2434	}
2435
2436	warn "flushing outstanding aio requests";	3463	warn "flushing outstanding aio requests";
2437	for (;;) {	3464	for (;;) {
2438	BDB::flush;	3465	BDB::flush;
2439	IO::AIO::flush;	3466	IO::AIO::flush;
2440	Coro::cede;	3467	Coro::cede_notself;
2441	last unless IO::AIO::nreqs || BDB::nreqs;	3468	last unless IO::AIO::nreqs || BDB::nreqs;
2442	warn "iterate...";	3469	warn "iterate...";
2443	}	3470	}
2444		3471
2445	++$RELOAD;	3472	++$RELOAD;
…		…
2449	%EXT_CORO = ();	3476	%EXT_CORO = ();
2450		3477
2451	warn "removing commands";	3478	warn "removing commands";
2452	%COMMAND = ();	3479	%COMMAND = ();
2453		3480
2454	warn "removing ext commands";	3481	warn "removing ext/exti commands";
2455	%EXTCMD = ();	3482	%EXTCMD = ();
		3483	%EXTICMD = ();
2456		3484
2457	warn "unloading/nuking all extensions";	3485	warn "unloading/nuking all extensions";
2458	for my $pkg (@EXTS) {	3486	for my $pkg (@EXTS) {
2459	warn "... unloading $pkg";	3487	warn "... unloading $pkg";
2460		3488
…		…
2490	Symbol::delete_package "safe::$_"	3518	Symbol::delete_package "safe::$_"
2491	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);
2492		3520
2493	warn "unloading cf.pm \"a bit\"";	3521	warn "unloading cf.pm \"a bit\"";
2494	delete $INC{"cf.pm"};	3522	delete $INC{"cf.pm"};
		3523	delete $INC{"cf/pod.pm"};
2495		3524
2496	# don't, removes xs symbols, too,	3525	# don't, removes xs symbols, too,
2497	# and global variables created in xs	3526	# and global variables created in xs
2498	#Symbol::delete_package __PACKAGE__;	3527	#Symbol::delete_package __PACKAGE__;
2499		3528
…		…
2502	warn "reloading cf.pm";	3531	warn "reloading cf.pm";
2503	require cf;	3532	require cf;
2504	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2505		3534
2506	warn "loading config and database again";	3535	warn "loading config and database again";
2507	cf::cfg_load;	3536	cf::reload_config;
2508		3537
2509	warn "loading extensions";	3538	warn "loading extensions";
2510	cf::load_extensions;	3539	cf::load_extensions;
2511		3540
2512	warn "reattaching attachments to objects/players";	3541	warn "reattaching attachments to objects/players";
…		…
2514	warn "reattaching attachments to maps";	3543	warn "reattaching attachments to maps";
2515	reattach $_ for values %MAP;	3544	reattach $_ for values %MAP;
2516	warn "reattaching attachments to players";	3545	warn "reattaching attachments to players";
2517	reattach $_ for values %PLAYER;	3546	reattach $_ for values %PLAYER;
2518		3547
2519	warn "loading reloadable resources";
2520	reload_resources;
2521
2522	warn "leaving sync_job";	3548	warn "leaving sync_job";
2523		3549
2524	1	3550	1
2525	} or do {	3551	} or do {
2526	warn $@;	3552	warn $@;
…		…
2531	warn "reloaded";	3557	warn "reloaded";
2532	};	3558	};
2533		3559
2534	our $RELOAD_WATCHER; # used only during reload	3560	our $RELOAD_WATCHER; # used only during reload
2535		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 $RELOAD_WATCHER;
		3568	do_reload_perl;
		3569	};
		3570	}
		3571
2536	register_command "reload" => sub {	3572	register_command "reload" => sub {
2537	my ($who, $arg) = @_;	3573	my ($who, $arg) = @_;
2538		3574
2539	if ($who->flag (FLAG_WIZ)) {	3575	if ($who->flag (FLAG_WIZ)) {
2540	$who->message ("reloading server.");	3576	$who->message ("reloading server.");
2541		3577	async {
2542	# doing reload synchronously and two reloads happen back-to-back,	3578	$Coro::current->{desc} = "perl_reload";
2543	# coro crashes during coro_state_free->destroy here.
2544
2545	$RELOAD_WATCHER ||= Event->timer (
2546	reentrant => 0,
2547	after => 0,
2548	data => WF_AUTOCANCEL,
2549	cb => sub {
2550	reload;	3579	reload_perl;
2551	undef $RELOAD_WATCHER;
2552	},
2553	);	3580	};
2554	}	3581	}
2555	};	3582	};
2556		3583
2557	unshift @INC, $LIBDIR;	3584	unshift @INC, $LIBDIR;
2558		3585
2559	my $bug_warning = 0;	3586	my $bug_warning = 0;
2560		3587
2561	$TICK_WATCHER = Event->timer (	3588	our @WAIT_FOR_TICK;
2562	reentrant => 0,	3589	our @WAIT_FOR_TICK_BEGIN;
2563	parked => 1,	3590
2564	prio => 0,	3591	sub wait_for_tick {
2565	at => $NEXT_TICK || $TICK,	3592	return unless $TICK_WATCHER->is_active;
2566	data => WF_AUTOCANCEL,	3593	return if $Coro::current == $Coro::main;
2567	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, $TICK, 0, sub {
2568	if ($Coro::current != $Coro::main) {	3610	if ($Coro::current != $Coro::main) {
2569	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2570	unless ++$bug_warning > 10;	3612	unless ++$bug_warning > 10;
2571	return;	3613	return;
2572	}	3614	}
2573		3615
2574	$NOW = Event::time;	3616	$NOW = $tick_start = EV::now;
2575		3617
2576	cf::server_tick; # one server iteration	3618	cf::server_tick; # one server iteration
		3619
2577	$RUNTIME += $TICK;	3620	$RUNTIME += $TICK;
2578	$NEXT_TICK += $TICK;	3621	$NEXT_TICK = $_[0]->at;
2579		3622
2580	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2581	$NEXT_RUNTIME_WRITE = $NOW + 10;	3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2582	Coro::async_pool {	3625	Coro::async_pool {
		3626	$Coro::current->{desc} = "runtime saver";
2583	write_runtime	3627	write_runtime
2584	or warn "ERROR: unable to write runtime file: $!";	3628	or warn "ERROR: unable to write runtime file: $!";
2585	};
2586	}	3629	};
2587
2588	$WAIT_FOR_TICK->broadcast;
2589	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2590
2591	# my $AFTER = Event::time;
2592	# warn $AFTER - $NOW;#d#
2593
2594	# if we are delayed by four ticks or more, skip them all
2595	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2596
2597	$TICK_WATCHER->at ($NEXT_TICK);
2598	$TICK_WATCHER->start;
2599	},	3630	}
2600	);	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);
2601		3645
2602	{	3646	{
2603	BDB::max_poll_time $TICK * 0.1;	3647	# configure BDB
2604	$BDB_POLL_WATCHER = Event->io (	3648
2605	reentrant => 0,
2606	fd => BDB::poll_fileno,
2607	poll => 'r',
2608	prio => 0,
2609	data => WF_AUTOCANCEL,
2610	cb => \&BDB::poll_cb,
2611	);
2612	BDB::min_parallel 8;	3649	BDB::min_parallel 8;
2613		3650	BDB::max_poll_reqs $TICK * 0.1;
2614	BDB::set_sync_prepare {	3651	$Coro::BDB::WATCHER->priority (1);
2615	my $status;
2616	my $current = $Coro::current;
2617	(
2618	sub {
2619	$status = $!;
2620	$current->ready; undef $current;
2621	},
2622	sub {
2623	Coro::schedule while defined $current;
2624	$! = $status;
2625	},
2626	)
2627	};
2628		3652
2629	unless ($DB_ENV) {	3653	unless ($DB_ENV) {
2630	$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);
2631		3659
2632	cf::sync_job {	3660	cf::sync_job {
2633	eval {	3661	eval {
2634	BDB::db_env_open	3662	BDB::db_env_open
2635	$DB_ENV,	3663	$DB_ENV,
2636	$BDB_ENV_DIR,	3664	$BDBDIR,
2637	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2638	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2639	0666;	3667	0666;
2640		3668
2641	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2642
2643	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2644	$DB_ENV->set_lk_detect;
2645	};	3670	};
2646		3671
2647	cf::cleanup "db_env_open(db): $@" if $@;	3672	cf::cleanup "db_env_open(db): $@" if $@;
2648	};	3673	};
2649	}	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	};
2650	}	3685	}
2651		3686
2652	{	3687	{
		3688	# configure IO::AIO
		3689
2653	IO::AIO::min_parallel 8;	3690	IO::AIO::min_parallel 8;
2654
2655	undef $Coro::AIO::WATCHER;
2656	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
2657	$AIO_POLL_WATCHER = Event->io (	3692	$Coro::AIO::WATCHER->priority (1);
2658	reentrant => 0,
2659	data => WF_AUTOCANCEL,
2660	fd => IO::AIO::poll_fileno,
2661	poll => 'r',
2662	prio => 6,
2663	cb => \&IO::AIO::poll_cb,
2664	);
2665	}	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;
2666		3737
2667	END { cf::emergency_save }	3738	END { cf::emergency_save }
2668		3739
2669	1	3740	1
2670		3741

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