ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 2007 UTC vs.
Revision 1.411 by root, Fri Feb 1 15:54:07 2008 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use EV 1.86;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.3 ();	15	use Coro 4.32 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
19		26
		27	use JSON::XS 2.01 ();
		28	use BDB ();
20	use Data::Dumper;	29	use Data::Dumper;
21	use Digest::MD5;	30	use Digest::MD5;
22	use Fcntl;	31	use Fcntl;
		32	use YAML ();
23	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	34	use Time::HiRes;
		35	use Compress::LZF;
		36	use Digest::MD5 ();
26		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	# configure various modules to our taste
		39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
		41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		43
		44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		45
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
36	our %COMMAND = ();	48	our %COMMAND = ();
37	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
38		50
39	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	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(!)
48	our $TICK_WATCHER;	74	our $TICK_WATCHER;
		75	our $AIO_POLL_WATCHER;
		76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	77	our $NEXT_TICK;
50	our $NOW;	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
		84	our $DB_ENV;
51		85
52	our %CFG;	86	our %CFG;
53		87
54	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
56		91
57	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		95
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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 $tick_start; # for load detecting purposes
64		102
65	binmode STDOUT;	103	binmode STDOUT;
66	binmode STDERR;	104	binmode STDERR;
67		105
68	# read virtual server time, if available	106	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
73	}	111	}
74		112
75	mkdir cf::localdir;	113	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		115
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
84		119
85	#############################################################################	120	#############################################################################
86		121
87	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
88		123
…		…
95	=item $cf::RUNTIME	130	=item $cf::RUNTIME
96		131
97	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
98	every server tick.	133	every server tick.
99		134
100	=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
101		138
102	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		143
105	=item $cf::NOW	144	=item $cf::NOW
106		145
107	The time of the last (current) server tick.	146	The time of the last (current) server tick.
108		147
109	=item $cf::TICK	148	=item $cf::TICK
110		149
111	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
112		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
113	=item %cf::CFG	162	=item %cf::CFG
114		163
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	165	from wherever your confdir points to.
117		166
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		168
120	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
121	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
122	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.
123	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.
124		178
125	=back	179	=back
126		180
127	=cut	181	=cut
128		182
129	BEGIN {	183	BEGIN {
130	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	185	my $msg = join "", @_;
132	utf8::encode $msg;
133		186
134	$msg .= "\n"	187	$msg .= "\n"
135	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
136		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
137	LOG llevError, $msg;	192	LOG llevError, $msg;
138	};	193	};
139	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	return unless $^S eq 0; # "eq", not "=="
		198
		199	if ($Coro::current == $Coro::main) {#d#
		200	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		201	return;#d#
		202	}#d#
		203
		204	# kill coroutine otherwise
		205	warn Carp::longmess $_[0];
		206	Coro::terminate
		207	};
		208
		209	$SIG{__DIE__} = sub { }; #d#?
140		210
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	215	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		216	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	217	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		218
148	# we bless all objects into (empty) derived classes to force a method lookup	219	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	220	# within the Safe compartment.
150	for my $pkg (qw(	221	for my $pkg (qw(
151	cf::global cf::attachable	222	cf::global cf::attachable
…		…
156	)) {	227	)) {
157	no strict 'refs';	228	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	230	}
160		231
161	$Event::DIED = sub {	232	$EV::DIED = sub {
162	warn "error in event callback: @_";	233	warn "error in event callback: @_";
163	};	234	};
		235
		236	#############################################################################
164		237
165	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
166		239
167	=over 4	240	=over 4
168		241
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	260	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	261	$d
189	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
190	}	263	}
191		264
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
195		266
196	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
197		268
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
206		270
207	Converts a perl data structure into its JSON representation.	271	Converts a perl data structure into its JSON representation.
208		272
209	=cut	273	=cut
210		274
211	sub to_json($) {	275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	276
213	JSON::Syck::Dump $_[0]	277	sub encode_json($) { $json_coder->encode ($_[0]) }
214	}	278	sub decode_json($) { $json_coder->decode ($_[0]) }
215		279
216	=item cf::lock_wait $string	280	=item cf::lock_wait $string
217		281
218	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
219		283
…		…
222	Wait until the given lock is available and then acquires it and returns	286	Wait until the given lock is available and then acquires it and returns
223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	287	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
224	for example when the coroutine gets canceled), the lock is automatically	288	for example when the coroutine gets canceled), the lock is automatically
225	returned.	289	returned.
226		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
227	Lock names should begin with a unique identifier (for example, cf::map::find	294	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
229		296
		297	=item $locked = cf::lock_active $string
		298
		299	Return true if the lock is currently active, i.e. somebody has locked it.
		300
230	=cut	301	=cut
231		302
232	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
233		305
234	sub lock_wait($) {	306	sub lock_wait($) {
235	my ($key) = @_;	307	my ($key) = @_;
		308
		309	if ($LOCKER{$key} == $Coro::current) {#d#
		310	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		311	return;#d#
		312	}#d#
236		313
237	# wait for lock, if any	314	# wait for lock, if any
238	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;	317	Coro::schedule;
…		…
246		323
247	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
248	lock_wait $key;	325	lock_wait $key;
249		326
250	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
251		329
252	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
253	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
255	}	334	}
256	}	335	}
257		336
		337	sub lock_active($) {
		338	my ($key) = @_;
		339
		340	! ! $LOCK{$key}
		341	}
		342
258	sub freeze_mainloop {	343	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	344	return unless $TICK_WATCHER->is_active;
260		345
261	my $guard = Coro::guard { $TICK_WATCHER->start };	346	my $guard = Coro::guard {
		347	$TICK_WATCHER->start;
		348	};
262	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
263	$guard	350	$guard
		351	}
		352
		353	=item cf::periodic $interval, $cb
		354
		355	Like EV::periodic, but randomly selects a starting point so that the actions
		356	get spread over timer.
		357
		358	=cut
		359
		360	sub periodic($$) {
		361	my ($interval, $cb) = @_;
		362
		363	my $start = rand List::Util::min 180, $interval;
		364
		365	EV::periodic $start, $interval, 0, $cb
		366	}
		367
		368	=item cf::get_slot $time[, $priority[, $name]]
		369
		370	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		371	This call blocks and returns only when you have at least C<$time> seconds
		372	of cpu time till the next tick. The slot is only valid till the next cede.
		373
		374	The optional C<$name> can be used to identify the job to run. It might be
		375	used for statistical purposes and should identify the same time-class.
		376
		377	Useful for short background jobs.
		378
		379	=cut
		380
		381	our @SLOT_QUEUE;
		382	our $SLOT_QUEUE;
		383
		384	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		385	$SLOT_QUEUE = Coro::async {
		386	$Coro::current->desc ("timeslot manager");
		387
		388	my $signal = new Coro::Signal;
		389
		390	while () {
		391	next_job:
		392	my $avail = cf::till_tick;
		393	if ($avail > 0.01) {
		394	for (0 .. $#SLOT_QUEUE) {
		395	if ($SLOT_QUEUE[$_][0] < $avail) {
		396	my $job = splice @SLOT_QUEUE, $_, 1, ();
		397	$job->[2]->send;
		398	Coro::cede;
		399	goto next_job;
		400	}
		401	}
		402	}
		403
		404	if (@SLOT_QUEUE) {
		405	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		406	push @cf::WAIT_FOR_TICK, $signal;
		407	$signal->wait;
		408	} else {
		409	Coro::schedule;
		410	}
		411	}
		412	};
		413
		414	sub get_slot($;$$) {
		415	my ($time, $pri, $name) = @_;
		416
		417	$time = $TICK * .6 if $time > $TICK * .6;
		418	my $sig = new Coro::Signal;
		419
		420	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		421	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		422	$SLOT_QUEUE->ready;
		423	$sig->wait;
264	}	424	}
265		425
266	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
267		427
268	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		433
274	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
275		435
276	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
277		437
278	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
281		442
282	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
285	fast or be very important.	446	fast or be very important.
…		…
288		449
289	sub sync_job(&) {	450	sub sync_job(&) {
290	my ($job) = @_;	451	my ($job) = @_;
291		452
292	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
		454	my $time = EV::time;
		455
293	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
295		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
296	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	462	# (but this is cancel-safe)
298	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
299		464
300	my $busy = 1;	465	my $busy = 1;
301	my @res;	466	my @res;
302		467
303	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	470	@res = eval { $job->() };
305	warn $@ if $@;	471	warn $@ if $@;
306	undef $busy;	472	undef $busy;
307	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
308		474
309	while ($busy) {	475	while ($busy) {
310	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
311	}	480	}
		481	}
		482
		483	$time = EV::time - $time;
		484
		485	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		486	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		487
		488	$tick_start += $time; # do not account sync jobs to server load
312		489
313	wantarray ? @res : $res[0]	490	wantarray ? @res : $res[0]
314	} else {	491	} else {
315	# we are in another coroutine, how wonderful, everything just works	492	# we are in another coroutine, how wonderful, everything just works
316		493
…		…
336	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
337		514
338	$coro	515	$coro
339	}	516	}
340		517
341	sub write_runtime {	518	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		519
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	520	Executes the given code block with the given arguments in a seperate
345	or return;	521	process, returning the results. Everything must be serialisable with
		522	Coro::Storable. May, of course, block. Note that the executed sub may
		523	never block itself or use any form of event handling.
346		524
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	525	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		526
351	aio_fsync $fh	527	sub fork_call(&@) {
352	and return;	528	my ($cb, @args) = @_;
353		529
354	close $fh	530	# we seemingly have to make a local copy of the whole thing,
355	or return;	531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
356		533
357	aio_rename "$runtime~", $runtime	534	my @res = Coro::Util::fork_eval {
358	and return;	535	reset_signals;
		536	&$cb
		537	}, @args;
359		538
		539	wantarray ? @res : $res[-1]
		540	}
		541
		542	=item $value = cf::db_get $family => $key
		543
		544	Returns a single value from the environment database.
		545
		546	=item cf::db_put $family => $key => $value
		547
		548	Stores the given C<$value> in the family. It can currently store binary
		549	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		550
		551	=item $db = cf::db_table "name"
		552
		553	Create and/or open a new database table. The string must not be "db" and must be unique
		554	within each server.
		555
		556	=cut
		557
		558	sub db_table($) {
		559	my ($name) = @_;
		560	my $db = BDB::db_create $DB_ENV;
		561
		562	eval {
		563	$db->set_flags (BDB::CHKSUM);
		564
		565	utf8::encode $name;
		566	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		567	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		568	cf::cleanup "db_open(db): $!" if $!;
		569	};
		570	cf::cleanup "db_open(db): $@" if $@;
		571
		572	$db
		573	}
		574
		575	our $DB;
		576
		577	sub db_init {
		578	cf::sync_job {
		579	$DB ||= db_table "db";
		580	};
		581	}
		582
		583	sub db_get($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
360	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		595	BDB::dbreq_pri 4;
		596	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		597	}
		598
		599	=item cf::cache $id => [$paths...], $processversion => $process
		600
		601	Generic caching function that returns the value of the resource $id,
		602	caching and regenerating as required.
		603
		604	This function can block.
		605
		606	=cut
		607
		608	sub cache {
		609	my ($id, $src, $processversion, $process) = @_;
		610
		611	my $meta =
		612	join "\x00",
		613	$processversion,
		614	map {
		615	aio_stat $_
		616	and Carp::croak "$_: $!";
		617
		618	($_, (stat _)[7,9])
		619	} @$src;
		620
		621	my $dbmeta = db_get cache => "$id/meta";
		622	if ($dbmeta ne $meta) {
		623	# changed, we may need to process
		624
		625	my @data;
		626	my $md5;
		627
		628	for (0 .. $#$src) {
		629	0 <= aio_load $src->[$_], $data[$_]
		630	or Carp::croak "$src->[$_]: $!";
		631	}
		632
		633	# if processing is expensive, check
		634	# checksum first
		635	if (1) {
		636	$md5 =
		637	join "\x00",
		638	$processversion,
		639	map {
		640	cf::cede_to_tick;
		641	($src->[$_], Digest::MD5::md5_hex $data[$_])
		642	} 0.. $#$src;
		643
		644
		645	my $dbmd5 = db_get cache => "$id/md5";
		646	if ($dbmd5 eq $md5) {
		647	db_put cache => "$id/meta", $meta;
		648
		649	return db_get cache => "$id/data";
		650	}
		651	}
		652
		653	my $t1 = Time::HiRes::time;
		654	my $data = $process->(\@data);
		655	my $t2 = Time::HiRes::time;
		656
		657	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		658
		659	db_put cache => "$id/data", $data;
		660	db_put cache => "$id/md5" , $md5;
		661	db_put cache => "$id/meta", $meta;
		662
		663	return $data;
		664	}
		665
		666	db_get cache => "$id/data"
		667	}
		668
		669	=item cf::datalog type => key => value, ...
		670
		671	Log a datalog packet of the given type with the given key-value pairs.
		672
		673	=cut
		674
		675	sub datalog($@) {
		676	my ($type, %kv) = @_;
		677	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	678	}
362		679
363	=back	680	=back
364		681
365	=cut	682	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522		683
523	#############################################################################	684	#############################################################################
524		685
525	=head2 ATTACHABLE OBJECTS	686	=head2 ATTACHABLE OBJECTS
526		687
…		…
528	attach callbacks/event handlers (a collection of which is called an "attachment")	689	attach callbacks/event handlers (a collection of which is called an "attachment")
529	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
530		691
531	In the following description, CLASS can be any of C<global>, C<object>	692	In the following description, CLASS can be any of C<global>, C<object>
532	C<player>, C<client> or C<map> (i.e. the attachable objects in	693	C<player>, C<client> or C<map> (i.e. the attachable objects in
533	crossfire+).	694	Deliantra).
534		695
535	=over 4	696	=over 4
536		697
537	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
538		699
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	813	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	814	our @CB_MAP = ();
654		815
655	my %attachment;	816	my %attachment;
656		817
		818	sub cf::attachable::thawer_merge {
		819	# simply override everything except _meta
		820	local $_[0]{_meta};
		821	%{$_[0]} = %{$_[1]};
		822	}
		823
657	sub _attach_cb($$$$) {	824	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	825	my ($registry, $event, $prio, $cb) = @_;
659		826
660	use sort 'stable';	827	use sort 'stable';
661		828
…		…
695	$registry = $CB_TYPE[$object_type] ||= [];	862	$registry = $CB_TYPE[$object_type] ||= [];
696		863
697	} elsif ($type eq "subtype") {	864	} elsif ($type eq "subtype") {
698	defined $object_type or Carp::croak "subtype specified without type";	865	defined $object_type or Carp::croak "subtype specified without type";
699	my $object_subtype = shift @arg;	866	my $object_subtype = shift @arg;
700	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	867	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701		868
702	} elsif ($type eq "package") {	869	} elsif ($type eq "package") {
703	my $pkg = shift @arg;	870	my $pkg = shift @arg;
704		871
705	while (my ($name, $id) = each %cb_id) {	872	while (my ($name, $id) = each %cb_id) {
…		…
734	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
735	}	902	}
736		903
737	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
738	} else {	905	} else {
739	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
740	}	907	}
741		908
742	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
743	}	910	}
744		911
…		…
746	if (ref $_[0]) {	913	if (ref $_[0]) {
747	_object_attach @_;	914	_object_attach @_;
748	} else {	915	} else {
749	_attach shift->_attach_registry, @_;	916	_attach shift->_attach_registry, @_;
750	}	917	}
		918	_recalc_want;
751	};	919	};
752		920
753	# all those should be optimised	921	# all those should be optimised
754	sub cf::attachable::detach {	922	sub cf::attachable::detach {
755	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
…		…
758	delete $obj->{_attachment}{$name};	926	delete $obj->{_attachment}{$name};
759	reattach ($obj);	927	reattach ($obj);
760	} else {	928	} else {
761	Carp::croak "cannot, currently, detach class attachments";	929	Carp::croak "cannot, currently, detach class attachments";
762	}	930	}
		931	_recalc_want;
763	};	932	};
764		933
765	sub cf::attachable::attached {	934	sub cf::attachable::attached {
766	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
767		936
…		…
782	";	951	";
783	die if $@;	952	die if $@;
784	}	953	}
785		954
786	our $override;	955	our $override;
787	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	956	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
788		957
789	sub override {	958	sub override {
790	$override = 1;	959	$override = 1;
791	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
792	}	961	}
793		962
794	sub do_invoke {	963	sub do_invoke {
795	my $event = shift;	964	my $event = shift;
796	my $callbacks = shift;	965	my $callbacks = shift;
797		966
798	@invoke_results = ();	967	@INVOKE_RESULTS = ();
799		968
800	local $override;	969	local $override;
801		970
802	for (@$callbacks) {	971	for (@$callbacks) {
803	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
812	}	981	}
813		982
814	0	983	0
815	}	984	}
816		985
817	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
818		987
819	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
820		989
821	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
822		991
823	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	992	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
824	removed in future versions), and there is no public API to access override	993	removed in future versions), and there is no public API to access override
825	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
826		995
827	=back	996	=back
828		997
829	=cut	998	=cut
830		999
831	#############################################################################	1000	#############################################################################
832	# object support	1001	# object support
		1002
		1003	sub _object_equal($$);
		1004	sub _object_equal($$) {
		1005	my ($a, $b) = @_;
		1006
		1007	return 0 unless (ref $a) eq (ref $b);
		1008
		1009	if ("HASH" eq ref $a) {
		1010	my @ka = keys %$a;
		1011	my @kb = keys %$b;
		1012
		1013	return 0 if @ka != @kb;
		1014
		1015	for (0 .. $#ka) {
		1016	return 0 unless $ka[$_] eq $kb[$_];
		1017	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1018	}
		1019
		1020	} elsif ("ARRAY" eq ref $a) {
		1021
		1022	return 0 if @$a != @$b;
		1023
		1024	for (0 .. $#$a) {
		1025	return 0 unless _object_equal $a->[$_], $b->[$_];
		1026	}
		1027
		1028	} elsif ($a ne $b) {
		1029	return 0;
		1030	}
		1031
		1032	1
		1033	}
		1034
		1035	our $SLOW_MERGES;#d#
		1036	sub _can_merge {
		1037	my ($ob1, $ob2) = @_;
		1038
		1039	++$SLOW_MERGES;#d#
		1040
		1041	# we do the slow way here
		1042	return _object_equal $ob1, $ob2
		1043	}
833		1044
834	sub reattach {	1045	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	1047	my ($obj) = @_;
		1048
		1049	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		1050
838	my $registry = $obj->registry;	1051	my $registry = $obj->registry;
839		1052
840	@$registry = ();	1053	@$registry = ();
841		1054
…		…
856	cf::attachable->attach (	1069	cf::attachable->attach (
857	prio => -1000000,	1070	prio => -1000000,
858	on_instantiate => sub {	1071	on_instantiate => sub {
859	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
860		1073
861	$data = from_json $data;	1074	$data = decode_json $data;
862		1075
863	for (@$data) {	1076	for (@$data) {
864	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
865		1078
866	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
882	sub object_freezer_save {	1095	sub object_freezer_save {
883	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
884		1097
885	sync_job {	1098	sync_job {
886	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
887	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
888	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
889		1103
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893	aio_fsync $fh;	1107	aio_fsync $fh if $cf::USE_FSYNC;
894	close $fh;	1108	close $fh;
895		1109
896	if (@$objs) {	1110	if (@$objs) {
897	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1111	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
901	aio_fsync $fh;	1115	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	1116	close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
904	}	1118	}
905	} else {	1119	} else {
906	aio_unlink "$filename.pst";	1120	aio_unlink "$filename.pst";
…		…
912	}	1126	}
913	} else {	1127	} else {
914	aio_unlink $filename;	1128	aio_unlink $filename;
915	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
916	}	1130	}
917	}	1131	};
918	}	1132	}
919		1133
920	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
921	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
922		1136
…		…
934	or return;	1148	or return;
935		1149
936	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
937	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
938	or return;	1152	or return;
		1153
939	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
940	}	1156	}
941		1157
		1158	utf8::decode (my $decname = $filename);
942	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
943	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
944	return ($data, $av);	1162	($data, $av)
945	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
946		1170
947	#############################################################################	1171	#############################################################################
948	# command handling &c	1172	# command handling &c
949		1173
950	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
963	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
964	}	1188	}
965		1189
966	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
967		1191
968	Register a callbackf ro execution when the client sends an extcmd packet.	1192	Register a callback for execution when the client sends an (synchronous)
		1193	extcmd packet. Ext commands will be processed in the order they are
		1194	received by the server, like other user commands. The first argument is
		1195	the logged-in player. Ext commands can only be processed after a player
		1196	has logged in successfully.
969		1197
970	If the callback returns something, it is sent back as if reply was being	1198	If the callback returns something, it is sent back as if reply was being
971	called.	1199	called.
972		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
973	=cut	1212	=cut
974		1213
975	sub register_extcmd {	1214	sub register_extcmd {
976	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
977		1216
978	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
979	}	1224	}
980		1225
981	cf::player->attach (	1226	cf::player->attach (
982	on_command => sub {	1227	on_command => sub {
983	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
992	cf::override;	1237	cf::override;
993	},	1238	},
994	on_extcmd => sub {	1239	on_extcmd => sub {
995	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
996		1241
997	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
998		1243
999	if (ref $msg) {	1244	if (ref $msg) {
		1245	my ($type, $reply, @payload) =
		1246	"ARRAY" eq ref $msg
		1247	? @$msg
		1248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1249
		1250	my @reply;
		1251
1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
1001	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
1002	$pl->ext_reply ($msg->{msgid}, %reply);
1003	}
1004	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
1005	} else {	1259	} else {
1006	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1007	}	1261	}
1008		1262
1009	cf::override;	1263	cf::override;
1010	},	1264	},
1011	);	1265	);
1012		1266
1013	sub load_extension {
1014	my ($path) = @_;
1015
1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1017	my $base = $1;
1018	my $pkg = $1;
1019	$pkg =~ s/[^[:word:]]/_/g;
1020	$pkg = "ext::$pkg";
1021
1022	warn "... loading '$path' into '$pkg'\n";
1023
1024	open my $fh, "<:utf8", $path
1025	or die "$path: $!";
1026
1027	my $source =
1028	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })
1031	. "\n};\n1";
1032
1033	eval $source
1034	or die $@ ? "$path: $@\n"
1035	: "extension disabled.\n";
1036
1037	push @EXTS, $pkg;
1038	}
1039
1040	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
1041	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1272	next unless -r $path;
1043	eval {	1273
1044	load_extension $ext;	1274	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1275	my $base = $1;
		1276	my $pkg = $1;
		1277	$pkg =~ s/[^[:word:]]/_/g;
		1278	$pkg = "ext::$pkg";
		1279
		1280	open my $fh, "<:utf8", $path
		1281	or die "$path: $!";
		1282
		1283	my $source = do { local $/; <$fh> };
		1284
		1285	my %ext = (
		1286	path => $path,
		1287	base => $base,
		1288	pkg => $pkg,
		1289	);
		1290
		1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1293
		1294	$ext{source} =
		1295	"package $pkg; use strict; use utf8;\n"
		1296	. "#line 1 \"$path\"\n{\n"
		1297	. $source
		1298	. "\n};\n1";
		1299
		1300	$todo{$base} = \%ext;
		1301	}
		1302
		1303	my %done;
		1304	while (%todo) {
		1305	my $progress;
		1306
		1307	while (my ($k, $v) = each %todo) {
		1308	for (split /,\s*/, $v->{meta}{depends}) {
		1309	goto skip
		1310	unless exists $done{$_};
		1311	}
		1312
		1313	warn "... loading '$k' into '$v->{pkg}'\n";
		1314
		1315	unless (eval $v->{source}) {
		1316	my $msg = $@ ? "$v->{path}: $@\n"
		1317	: "$v->{base}: extension inactive.\n";
		1318
		1319	if (exists $v->{meta}{mandatory}) {
		1320	warn $msg;
		1321	cf::cleanup "mandatory extension failed to load, exiting.";
		1322	}
		1323
		1324	warn $msg;
		1325	}
		1326
		1327	$done{$k} = delete $todo{$k};
		1328	push @EXTS, $v->{pkg};
		1329	$progress = 1;
1045	1	1330	}
1046	} or warn "$ext not loaded: $@";	1331
		1332	skip:
		1333	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1334	unless $progress;
		1335	}
1047	}	1336	};
1048	}	1337	}
1049		1338
1050	#############################################################################	1339	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1340
1053	*cf::mapsupport::on_clean = sub {	1341	=back
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		1342
1066	=head2 CORE EXTENSIONS	1343	=head2 CORE EXTENSIONS
1067		1344
1068	Functions and methods that extend core crossfire objects.	1345	Functions and methods that extend core crossfire objects.
1069		1346
…		…
1075		1352
1076	=head3 cf::player	1353	=head3 cf::player
1077		1354
1078	=over 4	1355	=over 4
1079		1356
		1357	=item cf::player::num_playing
		1358
		1359	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1360
		1361	=cut
		1362
		1363	sub num_playing {
		1364	scalar grep
		1365	$_->ob->map
		1366	&& !$_->hidden
		1367	&& !$_->ob->flag (cf::FLAG_WIZ),
		1368	cf::player::list
		1369	}
		1370
1080	=item cf::player::find $login	1371	=item cf::player::find $login
1081		1372
1082	Returns the given player object, loading it if necessary (might block).	1373	Returns the given player object, loading it if necessary (might block).
1083		1374
1084	=cut	1375	=cut
1085		1376
1086	sub playerdir($) {	1377	sub playerdir($) {
1087	cf::localdir	1378	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1379	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1380	}
1093		1381
1094	sub path($) {	1382	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1383	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1384
1097	(playerdir $login) . "/$login.pl"	1385	(playerdir $login) . "/playerdata"
1098	}	1386	}
1099		1387
1100	sub find_active($) {	1388	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1389	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1390	and $cf::PLAYER{$_[0]}->active
…		…
1105		1393
1106	sub exists($) {	1394	sub exists($) {
1107	my ($login) = @_;	1395	my ($login) = @_;
1108		1396
1109	$cf::PLAYER{$login}	1397	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1398	or cf::sync_job { !aio_stat path $login }
1111	}	1399	}
1112		1400
1113	sub find($) {	1401	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1402	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1403	my $login = $_[0];
1116		1404
1117	my $guard = cf::lock_acquire "user_find:$login";	1405	my $guard = cf::lock_acquire "user_find:$login";
1118		1406
1119	$cf::PLAYER{$_[0]} || do {	1407	$cf::PLAYER{$_[0]} || do {
1120	my $pl = load_pl path $login	1408	# rename old playerfiles to new ones
		1409	#TODO: remove when no longer required
		1410	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1411	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1412	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1413	aio_unlink +(playerdir $login) . "/$login.pl";
		1414
		1415	my $f = new_from_file cf::object::thawer path $login
1121	or return;	1416	or return;
		1417
		1418	my $pl = cf::player::load_pl $f
		1419	or return;
		1420	local $cf::PLAYER_LOADING{$login} = $pl;
		1421	$f->resolve_delayed_derefs;
1122	$cf::PLAYER{$login} = $pl	1422	$cf::PLAYER{$login} = $pl
1123	}	1423	}
1124	}	1424	}
1125	}	1425	}
1126		1426
…		…
1136		1436
1137	aio_mkdir playerdir $pl, 0770;	1437	aio_mkdir playerdir $pl, 0770;
1138	$pl->{last_save} = $cf::RUNTIME;	1438	$pl->{last_save} = $cf::RUNTIME;
1139		1439
1140	$pl->save_pl ($path);	1440	$pl->save_pl ($path);
1141	Coro::cede;	1441	cf::cede_to_tick;
1142	}	1442	}
1143		1443
1144	sub new($) {	1444	sub new($) {
1145	my ($login) = @_;	1445	my ($login) = @_;
1146		1446
…		…
1152	$cf::PLAYER{$login} = $self;	1452	$cf::PLAYER{$login} = $self;
1153		1453
1154	$self	1454	$self
1155	}	1455	}
1156		1456
		1457	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1458
		1459	=cut
		1460
		1461	sub send_msg {
		1462	my $ns = shift->ns
		1463	or return;
		1464	$ns->send_msg (@_);
		1465	}
		1466
1157	=item $pl->quit_character	1467	=item $pl->quit_character
1158		1468
1159	Nukes the player without looking back. If logged in, the connection will	1469	Nukes the player without looking back. If logged in, the connection will
1160	be destroyed. May block for a long time.	1470	be destroyed. May block for a long time.
1161		1471
1162	=cut	1472	=cut
1163		1473
1164	sub quit_character {	1474	sub quit_character {
1165	my ($pl) = @_;	1475	my ($pl) = @_;
		1476
		1477	my $name = $pl->ob->name;
1166		1478
1167	$pl->{deny_save} = 1;	1479	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1480	$pl->password ("*"); # this should lock out the player until we nuked the dir
1169		1481
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1482	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1175	my $path = playerdir $pl;	1487	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1488	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1489	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1490	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1491	$pl->destroy;
		1492
		1493	my $prefix = qr<^~\Q$name\E/>;
		1494
		1495	# nuke player maps
		1496	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1497
1180	IO::AIO::aio_rmtree $temp;	1498	IO::AIO::aio_rmtree $temp;
		1499	}
		1500
		1501	=item $pl->kick
		1502
		1503	Kicks a player out of the game. This destroys the connection.
		1504
		1505	=cut
		1506
		1507	sub kick {
		1508	my ($pl, $kicker) = @_;
		1509
		1510	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1511	$pl->killer ("kicked");
		1512	$pl->ns->destroy;
1181	}	1513	}
1182		1514
1183	=item cf::player::list_logins	1515	=item cf::player::list_logins
1184		1516
1185	Returns am arrayref of all valid playernames in the system, can take a	1517	Returns am arrayref of all valid playernames in the system, can take a
1186	while and may block, so not sync_job-capable, ever.	1518	while and may block, so not sync_job-capable, ever.
1187		1519
1188	=cut	1520	=cut
1189		1521
1190	sub list_logins {	1522	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1523	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1524	or return [];
1193		1525
1194	my @logins;	1526	my @logins;
1195		1527
1196	for my $login (@$dirs) {	1528	for my $login (@$dirs) {
		1529	my $path = path $login;
		1530
		1531	# a .pst is a dead give-away for a valid player
		1532	unless (-e "$path.pst") {
1197	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1533	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1198	aio_read $fh, 0, 512, my $buf, 0 or next;	1534	aio_read $fh, 0, 512, my $buf, 0 or next;
1199	$buf !~ /^password -------------$/m or next; # official not-valid tag	1535	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1536	}
1200		1537
1201	utf8::decode $login;	1538	utf8::decode $login;
1202	push @logins, $login;	1539	push @logins, $login;
1203	}	1540	}
1204		1541
1205	\@logins	1542	\@logins
1206	}	1543	}
1207		1544
1208	=item $player->maps	1545	=item $player->maps
1209		1546
1210	Returns an arrayref of cf::path's of all maps that are private for this	1547	Returns an arrayref of map paths that are private for this
1211	player. May block.	1548	player. May block.
1212		1549
1213	=cut	1550	=cut
1214		1551
1215	sub maps($) {	1552	sub maps($) {
1216	my ($pl) = @_;	1553	my ($pl) = @_;
		1554
		1555	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1556
1218	my $files = aio_readdir playerdir $pl	1557	my $files = aio_readdir playerdir $pl
1219	or return;	1558	or return;
1220		1559
1221	my @paths;	1560	my @paths;
…		…
1223	for (@$files) {	1562	for (@$files) {
1224	utf8::decode $_;	1563	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1564	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1565	next unless /^$PATH_SEP/o;
1227		1566
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1567	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1568	}
1230		1569
1231	\@paths	1570	\@paths
1232	}	1571	}
1233		1572
		1573	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1574
		1575	Expand crossfire pod fragments into protocol xml.
		1576
		1577	=cut
		1578
		1579	use re 'eval';
		1580
		1581	my $group;
		1582	my $interior; $interior = qr{
		1583	# match a pod interior sequence sans C<< >>
		1584	(?:
		1585	\ (.*?)\ (?{ $group = $^N })
		1586	| < (??{$interior}) >
		1587	)
		1588	}x;
		1589
		1590	sub expand_cfpod {
		1591	my ($self, $pod) = @_;
		1592
		1593	my $xml;
		1594
		1595	while () {
		1596	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1597	$group = $1;
		1598
		1599	$group =~ s/&/&amp;/g;
		1600	$group =~ s/</&lt;/g;
		1601
		1602	$xml .= $group;
		1603	} elsif ($pod =~ m%\G
		1604	([BCGHITU])
		1605	<
		1606	(?:
		1607	([^<>]*) (?{ $group = $^N })
		1608	| < $interior >
		1609	)
		1610	>
		1611	%gcsx
		1612	) {
		1613	my ($code, $data) = ($1, $group);
		1614
		1615	if ($code eq "B") {
		1616	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1617	} elsif ($code eq "I") {
		1618	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1619	} elsif ($code eq "U") {
		1620	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1621	} elsif ($code eq "C") {
		1622	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1623	} elsif ($code eq "T") {
		1624	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1625	} elsif ($code eq "G") {
		1626	my ($male, $female) = split /\|/, $data;
		1627	$data = $self->gender ? $female : $male;
		1628	$xml .= expand_cfpod ($self, $data);
		1629	} elsif ($code eq "H") {
		1630	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1631	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1632	"")
		1633	[$self->{hintmode}];
		1634	} else {
		1635	$xml .= "error processing '$code($data)' directive";
		1636	}
		1637	} else {
		1638	if ($pod =~ /\G(.+)/) {
		1639	warn "parse error while expanding $pod (at $1)";
		1640	}
		1641	last;
		1642	}
		1643	}
		1644
		1645	for ($xml) {
		1646	# create single paragraphs (very hackish)
		1647	s/(?<=\S)\n(?=\w)/ /g;
		1648
		1649	# compress some whitespace
		1650	s/\s+\n/\n/g; # ws line-ends
		1651	s/\n\n+/\n/g; # double lines
		1652	s/^\n+//; # beginning lines
		1653	s/\n+$//; # ending lines
		1654	}
		1655
		1656	$xml
		1657	}
		1658
		1659	no re 'eval';
		1660
		1661	sub hintmode {
		1662	$_[0]{hintmode} = $_[1] if @_ > 1;
		1663	$_[0]{hintmode}
		1664	}
		1665
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1666	=item $player->ext_reply ($msgid, @msg)
1235		1667
1236	Sends an ext reply to the player.	1668	Sends an ext reply to the player.
1237		1669
1238	=cut	1670	=cut
1239		1671
1240	sub ext_reply($$$%) {	1672	sub ext_reply($$@) {
1241	my ($self, $id, %msg) = @_;	1673	my ($self, $id, @msg) = @_;
1242		1674
1243	$msg{msgid} = $id;	1675	$self->ns->ext_reply ($id, @msg)
1244
1245	$self->send ("ext " . cf::to_json \%msg);
1246	}	1676	}
1247		1677
1248	package cf;	1678	=item $player->ext_msg ($type, @msg)
		1679
		1680	Sends an ext event to the client.
		1681
		1682	=cut
		1683
		1684	sub ext_msg($$@) {
		1685	my ($self, $type, @msg) = @_;
		1686
		1687	$self->ns->ext_msg ($type, @msg);
		1688	}
		1689
		1690	=head3 cf::region
		1691
		1692	=over 4
		1693
		1694	=cut
		1695
		1696	package cf::region;
		1697
		1698	=item cf::region::find_by_path $path
		1699
		1700	Tries to decuce the likely region for a map knowing only its path.
		1701
		1702	=cut
		1703
		1704	sub find_by_path($) {
		1705	my ($path) = @_;
		1706
		1707	my ($match, $specificity);
		1708
		1709	for my $region (list) {
		1710	if ($region->{match} && $path =~ $region->{match}) {
		1711	($match, $specificity) = ($region, $region->specificity)
		1712	if $region->specificity > $specificity;
		1713	}
		1714	}
		1715
		1716	$match
		1717	}
1249		1718
1250	=back	1719	=back
1251
1252		1720
1253	=head3 cf::map	1721	=head3 cf::map
1254		1722
1255	=over 4	1723	=over 4
1256		1724
…		…
1259	package cf::map;	1727	package cf::map;
1260		1728
1261	use Fcntl;	1729	use Fcntl;
1262	use Coro::AIO;	1730	use Coro::AIO;
1263		1731
		1732	use overload
		1733	'""' => \&as_string,
		1734	fallback => 1;
		1735
1264	our $MAX_RESET = 3600;	1736	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1737	our $DEFAULT_RESET = 3000;
1266		1738
1267	sub generate_random_map {	1739	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1740	my ($self, $rmp) = @_;
1269
1270	# mit "rum" bekleckern, nicht	1741	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1742	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1743	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1744	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1745	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1746	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1747	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1752	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1753	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1754	)
1285	}	1755	}
1286		1756
		1757	=item cf::map->register ($regex, $prio)
		1758
		1759	Register a handler for the map path matching the given regex at the
		1760	givne priority (higher is better, built-in handlers have priority 0, the
		1761	default).
		1762
		1763	=cut
		1764
		1765	sub register {
		1766	my (undef, $regex, $prio) = @_;
		1767	my $pkg = caller;
		1768
		1769	no strict;
		1770	push @{"$pkg\::ISA"}, __PACKAGE__;
		1771
		1772	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1773	}
		1774
		1775	# also paths starting with '/'
		1776	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1777
		1778	sub thawer_merge {
		1779	my ($self, $merge) = @_;
		1780
		1781	# we have to keep some variables in memory intact
		1782	local $self->{path};
		1783	local $self->{load_path};
		1784
		1785	$self->SUPER::thawer_merge ($merge);
		1786	}
		1787
		1788	sub normalise {
		1789	my ($path, $base) = @_;
		1790
		1791	$path = "$path"; # make sure its a string
		1792
		1793	$path =~ s/\.map$//;
		1794
		1795	# map plan:
		1796	#
		1797	# /! non-realised random map exit (special hack!)
		1798	# {... are special paths that are not being touched
		1799	# ?xxx/... are special absolute paths
		1800	# ?random/... random maps
		1801	# /... normal maps
		1802	# ~user/... per-player map of a specific user
		1803
		1804	$path =~ s/$PATH_SEP/\//go;
		1805
		1806	# treat it as relative path if it starts with
		1807	# something that looks reasonable
		1808	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1809	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1810
		1811	$base =~ s{[^/]+/?$}{};
		1812	$path = "$base/$path";
		1813	}
		1814
		1815	for ($path) {
		1816	redo if s{//}{/};
		1817	redo if s{/\.?/}{/};
		1818	redo if s{/[^/]+/\.\./}{/};
		1819	}
		1820
		1821	$path
		1822	}
		1823
		1824	sub new_from_path {
		1825	my (undef, $path, $base) = @_;
		1826
		1827	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1828
		1829	$path = normalise $path, $base;
		1830
		1831	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1832	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1833	my $self = bless cf::map::new, $pkg;
		1834	$self->{path} = $path; $self->path ($path);
		1835	$self->init; # pass $1 etc.
		1836	return $self;
		1837	}
		1838	}
		1839
		1840	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1841	()
		1842	}
		1843
		1844	sub init {
		1845	my ($self) = @_;
		1846
		1847	$self
		1848	}
		1849
		1850	sub as_string {
		1851	my ($self) = @_;
		1852
		1853	"$self->{path}"
		1854	}
		1855
		1856	# the displayed name, this is a one way mapping
		1857	sub visible_name {
		1858	&as_string
		1859	}
		1860
		1861	# the original (read-only) location
		1862	sub load_path {
		1863	my ($self) = @_;
		1864
		1865	"$MAPDIR/$self->{path}.map"
		1866	}
		1867
		1868	# the temporary/swap location
		1869	sub save_path {
		1870	my ($self) = @_;
		1871
		1872	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1873	"$TMPDIR/$path.map"
		1874	}
		1875
		1876	# the unique path, undef == no special unique path
		1877	sub uniq_path {
		1878	my ($self) = @_;
		1879
		1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1881	"$UNIQUEDIR/$path"
		1882	}
		1883
1287	# and all this just because we cannot iterate over	1884	# and all this just because we cannot iterate over
1288	# all maps in C++...	1885	# all maps in C++...
1289	sub change_all_map_light {	1886	sub change_all_map_light {
1290	my ($change) = @_;	1887	my ($change) = @_;
1291		1888
1292	$_->change_map_light ($change)	1889	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1890	for grep $_->outdoor, values %cf::MAP;
1294	}	1891	}
1295		1892
		1893	sub decay_objects {
		1894	my ($self) = @_;
		1895
		1896	return if $self->{deny_reset};
		1897
		1898	$self->do_decay_objects;
		1899	}
		1900
		1901	sub unlink_save {
		1902	my ($self) = @_;
		1903
		1904	utf8::encode (my $save = $self->save_path);
		1905	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1906	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1907	}
		1908
1296	sub load_map_header($) {	1909	sub load_header_from($) {
1297	my ($path) = @_;	1910	my ($self, $path) = @_;
1298		1911
1299	utf8::encode $path;	1912	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1913	my $f = new_from_file cf::object::thawer $path
1301	or return;	1914	or return;
1302		1915
1303	my $map = cf::map::new	1916	$self->_load_header ($f)
1304	or return;	1917	or return;
1305		1918
1306	# for better error messages only, will be overwritten later	1919	local $MAP_LOADING{$self->{path}} = $self;
1307	$map->path ($path);	1920	$f->resolve_delayed_derefs;
1308		1921
1309	$map->load_header ($path)	1922	$self->{load_path} = $path;
		1923
		1924	1
		1925	}
		1926
		1927	sub load_header_orig {
		1928	my ($self) = @_;
		1929
		1930	$self->load_header_from ($self->load_path)
		1931	}
		1932
		1933	sub load_header_temp {
		1934	my ($self) = @_;
		1935
		1936	$self->load_header_from ($self->save_path)
		1937	}
		1938
		1939	sub prepare_temp {
		1940	my ($self) = @_;
		1941
		1942	$self->last_access ((delete $self->{last_access})
		1943	|| $cf::RUNTIME); #d#
		1944	# safety
		1945	$self->{instantiate_time} = $cf::RUNTIME
		1946	if $self->{instantiate_time} > $cf::RUNTIME;
		1947	}
		1948
		1949	sub prepare_orig {
		1950	my ($self) = @_;
		1951
		1952	$self->{load_original} = 1;
		1953	$self->{instantiate_time} = $cf::RUNTIME;
		1954	$self->last_access ($cf::RUNTIME);
		1955	$self->instantiate;
		1956	}
		1957
		1958	sub load_header {
		1959	my ($self) = @_;
		1960
		1961	if ($self->load_header_temp) {
		1962	$self->prepare_temp;
		1963	} else {
		1964	$self->load_header_orig
1310	or return;	1965	or return;
		1966	$self->prepare_orig;
		1967	}
1311		1968
1312	$map->{load_path} = $path;	1969	$self->{deny_reset} = 1
		1970	if $self->no_reset;
1313		1971
1314	$map	1972	$self->default_region (cf::region::find_by_path $self->{path})
		1973	unless $self->default_region;
		1974
		1975	1
1315	}	1976	}
1316		1977
1317	sub find;	1978	sub find;
1318	sub find {	1979	sub find {
1319	my ($path, $origin) = @_;	1980	my ($path, $origin) = @_;
1320		1981
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1982	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1983
		1984	cf::lock_wait "map_data:$path";#d#remove
1326	cf::lock_wait "map_find:$key";	1985	cf::lock_wait "map_find:$path";
1327		1986
1328	$cf::MAP{$key} || do {	1987	$cf::MAP{$path} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1988	my $guard1 = cf::lock_acquire "map_find:$path";
		1989	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1330		1990
1331	# do it the slow way	1991	my $map = new_from_path cf::map $path
1332	my $map = $path->load_temp;
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	1992	or return;
1345		1993
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	1994	$map->{last_save} = $cf::RUNTIME;
1358		1995
1359	Coro::cede;	1996	$map->load_header
		1997	or return;
1360		1998
1361	if ($map->should_reset) {	1999	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2000	# doing this can freeze the server in a sync job, obviously
		2001	#$cf::WAIT_FOR_TICK->wait;
		2002	undef $guard1;
		2003	undef $guard2;
1362	$map->reset;	2004	$map->reset;
1363	undef $guard;
1364	$map = find $path	2005	return find $path;
1365	or return;
1366	}	2006	}
1367		2007
1368	$cf::MAP{$key} = $map	2008	$cf::MAP{$path} = $map
1369	}	2009	}
1370	}	2010	}
		2011
		2012	sub pre_load { }
		2013	sub post_load { }
1371		2014
1372	sub load {	2015	sub load {
1373	my ($self) = @_;	2016	my ($self) = @_;
1374		2017
		2018	local $self->{deny_reset} = 1; # loading can take a long time
		2019
1375	my $path = $self->{path};	2020	my $path = $self->{path};
		2021
		2022	{
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2023	my $guard = cf::lock_acquire "map_data:$path";
1377		2024
		2025	return unless $self->valid;
1378	return if $self->in_memory != cf::MAP_SWAPPED;	2026	return unless $self->in_memory == cf::MAP_SWAPPED;
1379		2027
1380	$self->in_memory (cf::MAP_LOADING);	2028	$self->in_memory (cf::MAP_LOADING);
1381		2029
1382	$self->alloc;	2030	$self->alloc;
1383	$self->load_objects ($self->{load_path}, 1)	2031
		2032	$self->pre_load;
		2033	cf::cede_to_tick;
		2034
		2035	my $f = new_from_file cf::object::thawer $self->{load_path};
		2036	$f->skip_block;
		2037	$self->_load_objects ($f)
1384	or return;	2038	or return;
1385		2039
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2040	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387	if delete $self->{load_original};	2041	if delete $self->{load_original};
1388		2042
1389	if (my $uniq = $path->uniq_path) {	2043	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	2044	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	2045	unless (aio_stat $uniq) {
		2046	if (my $f = new_from_file cf::object::thawer $uniq) {
1392	$self->clear_unique_items;	2047	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	2048	$self->_load_objects ($f);
		2049	$f->resolve_delayed_derefs;
		2050	}
1394	}	2051	}
1395	}	2052	}
1396		2053
1397	Coro::cede;	2054	$f->resolve_delayed_derefs;
1398		2055
		2056	cf::cede_to_tick;
1399	# now do the right thing for maps	2057	# now do the right thing for maps
1400	$self->link_multipart_objects;	2058	$self->link_multipart_objects;
1401
1402	if ($self->{path}->is_style_map) {
1403	$self->{deny_save} = 1;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;
1409	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	2059	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	2060	unless $self->difficulty;
		2061	cf::cede_to_tick;
		2062
		2063	unless ($self->{deny_activate}) {
		2064	$self->decay_objects;
		2065	$self->fix_auto_apply;
		2066	$self->update_buttons;
		2067	cf::cede_to_tick;
		2068	$self->set_darkness_map;
		2069	cf::cede_to_tick;
1412	$self->activate;	2070	$self->activate;
1413	}	2071	}
1414		2072
1415	Coro::cede;	2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
1416		2075
1417	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_IN_MEMORY);
		2077	}
		2078
		2079	$self->post_load;
		2080	}
		2081
		2082	sub customise_for {
		2083	my ($self, $ob) = @_;
		2084
		2085	return find "~" . $ob->name . "/" . $self->{path}
		2086	if $self->per_player;
		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
		2091	$self
1418	}	2092	}
1419		2093
1420	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	2095	sub load_neighbours {
1422	my ($map) = @_;	2096	my ($map) = @_;
1423		2097
1424	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1425		2099
1426	for (0 .. 3) {	2100	for (0 .. 3) {
1427	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1428	or next;	2102	or next;
1429	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1430	or next;	2104	or next;
1431	$neigh->load;	2105	$neigh->load;
1432		2106
		2107	push @neigh,
1433	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1434	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1435	}	2110	}
1436		2111
1437	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1438	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1439	or next;	2115	or next;
1440	$neigh->load;	2116	$neigh->load;
1441	}	2117	}
1442	}	2118	}
1443		2119
…		…
1448	}	2124	}
1449		2125
1450	sub do_load_sync {	2126	sub do_load_sync {
1451	my ($map) = @_;	2127	my ($map) = @_;
1452		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1453	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1454	}	2133	}
1455		2134
1456	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
		2136	our $MAP_PREFETCHER = undef;
		2137
		2138	sub find_async {
		2139	my ($path, $origin, $load) = @_;
		2140
		2141	$path = normalise $path, $origin && $origin->{path};
		2142
		2143	if (my $map = $cf::MAP{$path}) {
		2144	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2145	}
		2146
		2147	$MAP_PREFETCH{$path} |= $load;
		2148
1457	our $MAP_PREFETCHER = Coro::async {	2149	$MAP_PREFETCHER ||= cf::async {
1458	while () {	2150	$Coro::current->{desc} = "map prefetcher";
		2151
1459	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1461	or next;	2154	if (my $map = find $k) {
		2155	$map->load if $v;
		2156	}
		2157
1462	my $path = delete $MAP_PREFETCH{$key};	2158	delete $MAP_PREFETCH{$k};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}	2159	}
1468	Coro::schedule;	2160	}
		2161	undef $MAP_PREFETCHER;
1469	}	2162	};
1470	};
1471
1472	sub find_async {
1473	my ($path, $origin) = @_;
1474
1475	$path = new cf::path $path, $origin && $origin->path;
1476	my $key = $path->as_string;
1477
1478	if (my $map = $cf::MAP{$key}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}
1481
1482	$MAP_PREFETCH{$key} = $path;
1483	$MAP_PREFETCHER->ready;	2163	$MAP_PREFETCHER->prio (6);
1484		2164
1485	()	2165	()
1486	}	2166	}
1487		2167
1488	sub save {	2168	sub save {
1489	my ($self) = @_;	2169	my ($self) = @_;
1490		2170
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2172
1493	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1494		2174
1495	return unless $self->dirty;	2175	return unless $self->dirty;
1496		2176
1497	my $save = $self->{path}->save_path; utf8::encode $save;	2177	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		2179
1500	$self->{load_path} = $save;	2180	$self->{load_path} = $save;
1501		2181
1502	return if $self->{deny_save};	2182	return if $self->{deny_save};
1503		2183
1504	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1505		2185
1506	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1507	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1508	};	2189	};
1509		2190
1510	if ($uniq) {	2191	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2192	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	2193	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	2194	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2195	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	2196	}
1516	}	2197	}
1517		2198
1518	sub swap_out {	2199	sub swap_out {
1519	my ($self) = @_;	2200	my ($self) = @_;
1520		2201
1521	# save first because save cedes	2202	# save first because save cedes
1522	$self->save;	2203	$self->save;
1523		2204
1524	my $lock = cf::lock_acquire "map_data:" . $self->path;	2205	my $lock = cf::lock_acquire "map_data:$self->{path}";
1525		2206
1526	return if $self->players;	2207	return if $self->players;
1527	return if $self->in_memory != cf::MAP_IN_MEMORY;	2208	return if $self->in_memory != cf::MAP_IN_MEMORY;
1528	return if $self->{deny_save};	2209	return if $self->{deny_save};
1529		2210
		2211	$self->in_memory (cf::MAP_SWAPPED);
		2212
		2213	$self->deactivate;
		2214	$_->clear_links_to ($self) for values %cf::MAP;
1530	$self->clear;	2215	$self->clear;
1531	$self->in_memory (cf::MAP_SWAPPED);
1532	}	2216	}
1533		2217
1534	sub reset_at {	2218	sub reset_at {
1535	my ($self) = @_;	2219	my ($self) = @_;
1536		2220
1537	# TODO: safety, remove and allow resettable per-player maps	2221	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	2222	return 1e99 if $self->{deny_reset};
1540		2223
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2224	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2225	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		2226
…		…
1548	my ($self) = @_;	2231	my ($self) = @_;
1549		2232
1550	$self->reset_at <= $cf::RUNTIME	2233	$self->reset_at <= $cf::RUNTIME
1551	}	2234	}
1552		2235
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	2236	sub reset {
1575	my ($self) = @_;	2237	my ($self) = @_;
1576		2238
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2239	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2240
1579	return if $self->players;	2241	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2242
1582	warn "resetting map ", $self->path;#d#	2243	warn "resetting map ", $self->path;
		2244
		2245	$self->in_memory (cf::MAP_SWAPPED);
		2246
		2247	# need to save uniques path
		2248	unless ($self->{deny_save}) {
		2249	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2250
		2251	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2252	if $uniq;
		2253	}
1583		2254
1584	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1585		2256
		2257	$self->deactivate;
1586	$_->clear_links_to ($self) for values %cf::MAP;	2258	$_->clear_links_to ($self) for values %cf::MAP;
		2259	$self->clear;
1587		2260
1588	$self->unlink_save;	2261	$self->unlink_save;
1589	$self->destroy;	2262	$self->destroy;
1590	}	2263	}
1591		2264
1592	my $nuke_counter = "aaaa";	2265	my $nuke_counter = "aaaa";
1593		2266
1594	sub nuke {	2267	sub nuke {
1595	my ($self) = @_;	2268	my ($self) = @_;
1596		2269
		2270	{
		2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2272
		2273	delete $cf::MAP{$self->path};
		2274
		2275	$self->unlink_save;
		2276
		2277	bless $self, "cf::map";
		2278	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2279	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2280	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2281	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2282
		2283	$cf::MAP{$self->path} = $self;
		2284	}
		2285
1600	$self->reset; # polite request, might not happen	2286	$self->reset; # polite request, might not happen
1601	}	2287	}
1602		2288
1603	sub customise_for {	2289	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2290
1606	if ($map->per_player) {	2291	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2292	maps. May block.
		2293
		2294	=cut
		2295
		2296	sub tmp_maps() {
1608	}	2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise $_
		2302	: ()
		2303	} @{ aio_readdir $TMPDIR or [] }
		2304	]
		2305	}
1609		2306
1610	$map	2307	=item $maps = cf::map::random_maps
		2308
		2309	Returns an arrayref with all map paths of currently instantiated and saved
		2310	random maps. May block.
		2311
		2312	=cut
		2313
		2314	sub random_maps() {
		2315	[
		2316	map {
		2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise "?random/$_"
		2320	: ()
		2321	} @{ aio_readdir $RANDOMDIR or [] }
		2322	]
1611	}	2323	}
1612		2324
1613	=item cf::map::unique_maps	2325	=item cf::map::unique_maps
1614		2326
1615	Returns an arrayref of cf::path's of all shared maps that have	2327	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2328	instantiated unique items. May block.
1617		2329
1618	=cut	2330	=cut
1619		2331
1620	sub unique_maps() {	2332	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2333	[
1622	or return;	2334	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2335	utf8::decode $_;
1628	next if /\.pst$/;	2336	/\.map$/
1629	next unless /^$PATH_SEP/o;	2337	? normalise $_
1630		2338	: ()
1631	push @paths, new cf::path $_;	2339	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2340	]
1633
1634	\@paths
1635	}	2341	}
1636		2342
1637	package cf;	2343	package cf;
1638		2344
1639	=back	2345	=back
…		…
1657	map { $_, inv_recursive_ $_->inv } @_	2363	map { $_, inv_recursive_ $_->inv } @_
1658	}	2364	}
1659		2365
1660	sub inv_recursive {	2366	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2367	inv_recursive_ inv $_[0]
		2368	}
		2369
		2370	=item $ref = $ob->ref
		2371
		2372	creates and returns a persistent reference to an objetc that can be stored as a string.
		2373
		2374	=item $ob = cf::object::deref ($refstring)
		2375
		2376	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2377	even if the object actually exists. May block.
		2378
		2379	=cut
		2380
		2381	sub deref {
		2382	my ($ref) = @_;
		2383
		2384	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2385	my ($uuid, $name) = ($1, $2);
		2386	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2387	or return;
		2388	$pl->ob->uuid eq $uuid
		2389	or return;
		2390
		2391	$pl->ob
		2392	} else {
		2393	warn "$ref: cannot resolve object reference\n";
		2394	undef
		2395	}
1662	}	2396	}
1663		2397
1664	package cf;	2398	package cf;
1665		2399
1666	=back	2400	=back
…		…
1685		2419
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2421
1688	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1690	} else {	2425	} else {
		2426	my $pl = $self->contr;
		2427
		2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2429	my $dialog = $pl->{npc_dialog};
		2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2431
		2432	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2434	$self->message ($msg, $flags);
		2435	}
1693	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
1694	}	2447	}
1695		2448
1696	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1697		2450
1698	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1711		2464
1712	=item $player_object->enter_link	2465	=item $player_object->enter_link
1713		2466
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2467	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2468
1716	The player should be reaosnably safe there for short amounts of time. You	2469	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2470	I<MUST> call C<leave_link> as soon as possible, though.
1718		2471
		2472	Will never block.
		2473
1719	=item $player_object->leave_link ($map, $x, $y)	2474	=item $player_object->leave_link ($map, $x, $y)
1720		2475
1721	Moves the player out of the specila link map onto the given map. If the	2476	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2477	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2478	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2479	fails, to the emergency map position.
1725		2480
1726	Might block.	2481	Might block.
1727		2482
1728	=cut	2483	=cut
		2484
		2485	sub link_map {
		2486	unless ($LINK_MAP) {
		2487	$LINK_MAP = cf::map::find "{link}"
		2488	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2489	$LINK_MAP->load;
		2490	}
		2491
		2492	$LINK_MAP
		2493	}
1729		2494
1730	sub cf::object::player::enter_link {	2495	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2496	my ($self) = @_;
1732		2497
1733	$self->deactivate_recursive;	2498	$self->deactivate_recursive;
1734		2499
1735	return if $self->map == $LINK_MAP;	2500	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2501
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2503	if $self->map && $self->map->{path} ne "{link}";
1739		2504
1740	$self->enter_map ($LINK_MAP, 20, 20);	2505	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2506	}
1742		2507
1743	sub cf::object::player::leave_link {	2508	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2509	my ($self, $map, $x, $y) = @_;
		2510
		2511	return unless $self->contr->active;
1745		2512
1746	my $link_pos = delete $self->{_link_pos};	2513	my $link_pos = delete $self->{_link_pos};
1747		2514
1748	unless ($map) {	2515	unless ($map) {
1749	# restore original map position	2516	# restore original map position
…		…
1763	# use -1 or undef as default coordinates, not 0, 0	2530	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2531	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2532	if $x <=0 && $y <= 0;
1766		2533
1767	$map->load;	2534	$map->load;
1768	$map->load_diag;	2535	$map->load_neighbours;
1769		2536
1770	return unless $self->contr->active;	2537	return unless $self->contr->active;
1771	$self->activate_recursive;	2538	$self->activate_recursive;
		2539
		2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1773	}	2542	}
1774		2543
1775	cf::player->attach (	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2545
1779	# abort map switching before logout	2546	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2547	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2549	the new (success) or old (failed) map position. In either case, $done will
1783	};	2550	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2551
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2552	=cut
		2553
		2554	our $GOTOGEN;
1810		2555
1811	sub cf::object::player::goto {	2556	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2557	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2558
1814	$path = new cf::path $path;	2559	# do generation counting so two concurrent goto's will be executed in-order
		2560	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2561
1816	$self->enter_link;	2562	$self->enter_link;
1817		2563
1818	(async {	2564	(async {
1819	my $map = cf::map::find $path->as_string;	2565	$Coro::current->{desc} = "player::goto $path $x $y";
		2566
		2567	# *tag paths override both path and x|y
		2568	if ($path =~ /^\*(.*)$/) {
		2569	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2570	my $ob = $obs[rand @obs];
		2571
		2572	# see if we actually can go there
		2573	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2574	$ob = $obs[rand @obs];
		2575	} else {
		2576	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2577	}
		2578	# else put us there anyways for now #d#
		2579
		2580	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2581	} else {
		2582	($path, $x, $y) = (undef, undef, undef);
		2583	}
		2584	}
		2585
		2586	my $map = eval {
		2587	my $map = defined $path ? cf::map::find $path : undef;
		2588
		2589	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2590	$map = $map->customise_for ($self);
1821		2591	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2592	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2593	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	}
1826		2595
		2596	$map
		2597	};
		2598
		2599	if ($@) {
		2600	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2601	LOG llevError | logBacktrace, Carp::longmess $@;
		2602	}
		2603
		2604	if ($gen == $self->{_goto_generation}) {
		2605	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2606	$self->leave_link ($map, $x, $y);
		2607	}
		2608
		2609	$done->() if $done;
1828	})->prio (1);	2610	})->prio (1);
1829	}	2611	}
1830		2612
1831	=item $player_object->enter_exit ($exit_object)	2613	=item $player_object->enter_exit ($exit_object)
1832		2614
…		…
1834		2616
1835	sub parse_random_map_params {	2617	sub parse_random_map_params {
1836	my ($spec) = @_;	2618	my ($spec) = @_;
1837		2619
1838	my $rmp = { # defaults	2620	my $rmp = { # defaults
1839	xsize => 10,	2621	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2622	ysize => (cf::rndm 15, 40),
		2623	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2624	#layout => string,
1841	};	2625	};
1842		2626
1843	for (split /\n/, $spec) {	2627	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2628	my ($k, $v) = split /\s+/, $_, 2;
1845		2629
…		…
1849	$rmp	2633	$rmp
1850	}	2634	}
1851		2635
1852	sub prepare_random_map {	2636	sub prepare_random_map {
1853	my ($exit) = @_;	2637	my ($exit) = @_;
		2638
		2639	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		2640
1855	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	2643	# that depends on the exit object
1858		2644
1859	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
1860		2646
1861	if ($exit->map) {	2647	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2648	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
1866	}	2652	}
1867		2653
1868	$rmp->{random_seed} ||= $exit->random_seed;	2654	$rmp->{random_seed} ||= $exit->random_seed;
1869		2655
1870	my $data = cf::to_json $rmp;	2656	my $data = cf::encode_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2657	my $md5 = Digest::MD5::md5_hex $data;
		2658	my $meta = "$RANDOMDIR/$md5.meta";
1872		2659
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2660	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2661	aio_write $fh, 0, (length $data), $data, 0;
		2662	undef $fh;
		2663	aio_rename "$meta~", $meta;
1875		2664
1876	$exit->slaying ("?random/$md5");	2665	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2666	$exit->msg (undef);
1878	}	2667	}
1879	}	2668	}
…		…
1881	sub cf::object::player::enter_exit {	2670	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2671	my ($self, $exit) = @_;
1883		2672
1884	return unless $self->type == cf::PLAYER;	2673	return unless $self->type == cf::PLAYER;
1885		2674
		2675	if ($exit->slaying eq "/!") {
		2676	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2677	# the problem is that $exit might not survive long enough
		2678	# so it needs to be done right now, right here
		2679	cf::sync_job { prepare_random_map $exit };
		2680	}
		2681
		2682	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2683	my $hp = $exit->stats->hp;
		2684	my $sp = $exit->stats->sp;
		2685
1886	$self->enter_link;	2686	$self->enter_link;
1887		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($slaying, $hp, $sp)
		2690	if $exit->flag (FLAG_DAMNED);
		2691
1888	(async {	2692	(async {
		2693	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2694
1889	$self->deactivate_recursive; # just to be sure	2695	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2696	unless (eval {
1891	prepare_random_map $exit	2697	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		2698
1897	1;	2699	1;
1898	}) {	2700	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2705
1904	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2707	$self->leave_link;
1906	}	2708	}
1907	})->prio (1);	2709	})->prio (1);
…		…
1920		2722
1921	sub cf::client::send_drawinfo {	2723	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2724	my ($self, $text, $flags) = @_;
1923		2725
1924	utf8::encode $text;	2726	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2728	}
1927		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/uptime" => {
		2778	id => "infobox",
		2779	title => "Uptime",
		2780	reply => undef,
		2781	tooltip => "How long the server has been running since last restart",
		2782	},
		2783	"c/mapinfo" => {
		2784	id => "infobox",
		2785	title => "Map Info",
		2786	reply => undef,
		2787	tooltip => "Information related to the maps",
		2788	},
		2789	);
		2790
		2791	sub cf::client::send_msg {
		2792	my ($self, $channel, $msg, $color, @extra) = @_;
		2793
		2794	$msg = $self->pl->expand_cfpod ($msg);
		2795
		2796	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2797
		2798	# check predefined channels, for the benefit of C
		2799	if ($CHANNEL{$channel}) {
		2800	$channel = $CHANNEL{$channel};
		2801
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804
		2805	$channel = $channel->{id};
		2806
		2807	} elsif (ref $channel) {
		2808	# send meta info to client, if not yet sent
		2809	unless (exists $self->{channel}{$channel->{id}}) {
		2810	$self->{channel}{$channel->{id}} = $channel;
		2811	$self->ext_msg (channel_info => $channel)
		2812	if $self->can_msg;
		2813	}
		2814
		2815	$channel = $channel->{id};
		2816	}
		2817
		2818	return unless @extra || length $msg;
		2819
		2820	if ($self->can_msg) {
		2821	# default colour, mask it out
		2822	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2823	if $color & cf::NDI_DEF;
		2824
		2825	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2827	} else {
		2828	if ($color >= 0) {
		2829	# replace some tags by gcfclient-compatible ones
		2830	for ($msg) {
		2831	1 while
		2832	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2833	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2834	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2835	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2836	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2837	}
		2838
		2839	$color &= cf::NDI_COLOR_MASK;
		2840
		2841	utf8::encode $msg;
		2842
		2843	if (0 && $msg =~ /\[/) {
		2844	# COMMAND/INFO
		2845	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2846	} else {
		2847	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2848	$self->send_packet ("drawinfo $color $msg")
		2849	}
		2850	}
		2851	}
		2852	}
		2853
		2854	=item $client->ext_msg ($type, @msg)
		2855
		2856	Sends an ext event to the client.
		2857
		2858	=cut
		2859
		2860	sub cf::client::ext_msg($$@) {
		2861	my ($self, $type, @msg) = @_;
		2862
		2863	if ($self->extcmd == 2) {
		2864	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2865	} elsif ($self->extcmd == 1) { # TODO: remove
		2866	push @msg, msgtype => "event_$type";
		2867	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2868	}
		2869	}
		2870
		2871	=item $client->ext_reply ($msgid, @msg)
		2872
		2873	Sends an ext reply to the client.
		2874
		2875	=cut
		2876
		2877	sub cf::client::ext_reply($$@) {
		2878	my ($self, $id, @msg) = @_;
		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2882	} elsif ($self->extcmd == 1) {
		2883	#TODO: version 1, remove
		2884	unshift @msg, msgtype => "reply", msgid => $id;
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2886	}
		2887	}
1928		2888
1929	=item $success = $client->query ($flags, "text", \&cb)	2889	=item $success = $client->query ($flags, "text", \&cb)
1930		2890
1931	Queues a query to the client, calling the given callback with	2891	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2892	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2893	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		2894
1935	Queries can fail, so check the return code. Or don't, as queries will become	2895	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	2896	become reliable at some point in the future.
1937		2897
1938	=cut	2898	=cut
1939		2899
1940	sub cf::client::query {	2900	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2901	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2909	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2910	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2911
1952	$self->send_packet ($self->{query_queue}[0][0])	2912	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2913	if @{ $self->{query_queue} } == 1;
		2914
		2915	1
1954	}	2916	}
1955		2917
1956	cf::client->attach (	2918	cf::client->attach (
		2919	on_connect => sub {
		2920	my ($ns) = @_;
		2921
		2922	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2923	},
1957	on_reply => sub {	2924	on_reply => sub {
1958	my ($ns, $msg) = @_;	2925	my ($ns, $msg) = @_;
1959		2926
1960	# this weird shuffling is so that direct followup queries	2927	# this weird shuffling is so that direct followup queries
1961	# get handled first	2928	# get handled first
1962	my $queue = delete $ns->{query_queue}	2929	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2930	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2931
1965	(shift @$queue)->[1]->($msg);	2932	(shift @$queue)->[1]->($msg);
		2933	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2934
1967	push @{ $ns->{query_queue} }, @$queue;	2935	push @{ $ns->{query_queue} }, @$queue;
1968		2936
1969	if (@{ $ns->{query_queue} } == @$queue) {	2937	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2938	if (@$queue) {
…		…
1972	} else {	2940	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2941	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	2942	}
1975	}	2943	}
1976	},	2944	},
		2945	on_exticmd => sub {
		2946	my ($ns, $buf) = @_;
		2947
		2948	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2949
		2950	if (ref $msg) {
		2951	my ($type, $reply, @payload) =
		2952	"ARRAY" eq ref $msg
		2953	? @$msg
		2954	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2955
		2956	my @reply;
		2957
		2958	if (my $cb = $EXTICMD{$type}) {
		2959	@reply = $cb->($ns, @payload);
		2960	}
		2961
		2962	$ns->ext_reply ($reply, @reply)
		2963	if $reply;
		2964
		2965	} else {
		2966	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2967	}
		2968
		2969	cf::override;
		2970	},
1977	);	2971	);
1978		2972
1979	=item $client->async (\&cb)	2973	=item $client->async (\&cb)
1980		2974
1981	Create a new coroutine, running the specified callback. The coroutine will	2975	Create a new coroutine, running the specified callback. The coroutine will
…		…
2022	our $safe = new Safe "safe";	3016	our $safe = new Safe "safe";
2023	our $safe_hole = new Safe::Hole;	3017	our $safe_hole = new Safe::Hole;
2024		3018
2025	$SIG{FPE} = 'IGNORE';	3019	$SIG{FPE} = 'IGNORE';
2026		3020
2027	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3021	$safe->permit_only (Opcode::opset qw(
		3022	:base_core :base_mem :base_orig :base_math
		3023	grepstart grepwhile mapstart mapwhile
		3024	sort time
		3025	));
2028		3026
2029	# here we export the classes and methods available to script code	3027	# here we export the classes and methods available to script code
2030		3028
2031	=pod	3029	=pod
2032		3030
2033	The following fucntions and emthods are available within a safe environment:	3031	The following functions and methods are available within a safe environment:
2034		3032
2035	cf::object contr pay_amount pay_player map	3033	cf::object
		3034	contr pay_amount pay_player map x y force_find force_add destroy
		3035	insert remove name archname title slaying race decrease_ob_nr
		3036
2036	cf::object::player player	3037	cf::object::player
2037	cf::player peaceful	3038	player
2038	cf::map trigger	3039
		3040	cf::player
		3041	peaceful
		3042
		3043	cf::map
		3044	trigger
2039		3045
2040	=cut	3046	=cut
2041		3047
2042	for (	3048	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	3049	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3050	insert remove inv name archname title slaying race
		3051	decrease_ob_nr destroy)],
2044	["cf::object::player" => qw(player)],	3052	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	3053	["cf::player" => qw(peaceful)],
2046	["cf::map" => qw(trigger)],	3054	["cf::map" => qw(trigger)],
2047	) {	3055	) {
2048	no strict 'refs';	3056	no strict 'refs';
…		…
2119	=back	3127	=back
2120		3128
2121	=cut	3129	=cut
2122		3130
2123	#############################################################################	3131	#############################################################################
		3132	# the server's init and main functions
2124		3133
2125	=head2 EXTENSION DATABASE SUPPORT	3134	sub load_facedata($) {
		3135	my ($path) = @_;
2126		3136
2127	Crossfire maintains a very simple database for extension use. It can	3137	# HACK to clear player env face cache, we need some signal framework
2128	currently store anything that can be serialised using Storable, which	3138	# for this (global event?)
2129	excludes objects.	3139	%ext::player_env::MUSIC_FACE_CACHE = ();
2130		3140
2131	The parameter C<$family> should best start with the name of the extension	3141	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2132	using it, it should be unique.
2133		3142
2134	=over 4	3143	warn "loading facedata from $path\n";
2135		3144
2136	=item $hashref = cf::db_get $family	3145	my $facedata;
		3146	0 < aio_load $path, $facedata
		3147	or die "$path: $!";
2137		3148
2138	Return a hashref for use by the extension C<$family>, which can be	3149	$facedata = Coro::Storable::thaw $facedata;
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141		3150
2142	=item $value = cf::db_get $family => $key	3151	$facedata->{version} == 2
		3152	or cf::cleanup "$path: version mismatch, cannot proceed.";
2143		3153
2144	Returns a single value from the database	3154	# patch in the exptable
2145		3155	$facedata->{resource}{"res/exp_table"} = {
2146	=item cf::db_put $family => $hashref	3156	type => FT_RSRC,
2147		3157	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}
2174
2175	my $pid;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	3158	};
		3159	cf::cede_to_tick;
2197		3160
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}	3161	{
		3162	my $faces = $facedata->{faceinfo};
2202		3163
2203	sub db_get($;$) {	3164	while (my ($face, $info) = each %$faces) {
2204	@_ >= 2	3165	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		3166
2209	sub db_put($$;$) {	3167	cf::face::set_visibility $idx, $info->{visibility};
2210	if (@_ >= 3) {	3168	cf::face::set_magicmap $idx, $info->{magicmap};
2211	$DB->{$_[0]}{$_[1]} = $_[2];	3169	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2212	} else {	3170	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217		3171
2218	cf::global->attach (	3172	cf::cede_to_tick;
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	3173	}
2223	);
2224	}
2225		3174
2226	#############################################################################	3175	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	3176	next unless $info->{smooth};
2228		3177
2229	sub cfg_load {	3178	my $idx = cf::face::find $face
		3179	or next;
		3180
		3181	if (my $smooth = cf::face::find $info->{smooth}) {
		3182	cf::face::set_smooth $idx, $smooth;
		3183	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3184	} else {
		3185	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3186	}
		3187
		3188	cf::cede_to_tick;
		3189	}
		3190	}
		3191
		3192	{
		3193	my $anims = $facedata->{animinfo};
		3194
		3195	while (my ($anim, $info) = each %$anims) {
		3196	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3197	cf::cede_to_tick;
		3198	}
		3199
		3200	cf::anim::invalidate_all; # d'oh
		3201	}
		3202
		3203	{
		3204	# TODO: for gcfclient pleasure, we should give resources
		3205	# that gcfclient doesn't grok a >10000 face index.
		3206	my $res = $facedata->{resource};
		3207
		3208	while (my ($name, $info) = each %$res) {
		3209	if (defined $info->{type}) {
		3210	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3211	my $data;
		3212
		3213	if ($info->{type} & 1) {
		3214	# prepend meta info
		3215
		3216	my $meta = $enc->encode ({
		3217	name => $name,
		3218	%{ $info->{meta} || {} },
		3219	});
		3220
		3221	$data = pack "(w/a*)*", $meta, $info->{data};
		3222	} else {
		3223	$data = $info->{data};
		3224	}
		3225
		3226	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3227	cf::face::set_type $idx, $info->{type};
		3228	} else {
		3229	$RESOURCE{$name} = $info;
		3230	}
		3231
		3232	cf::cede_to_tick;
		3233	}
		3234	}
		3235
		3236	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3237
		3238	1
		3239	}
		3240
		3241	cf::global->attach (on_resource_update => sub {
		3242	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3243	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3244
		3245	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3246	my $sound = $soundconf->{compat}[$_]
		3247	or next;
		3248
		3249	my $face = cf::face::find "sound/$sound->[1]";
		3250	cf::sound::set $sound->[0] => $face;
		3251	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3252	}
		3253
		3254	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3255	my $face = cf::face::find "sound/$v";
		3256	cf::sound::set $k => $face;
		3257	}
		3258	}
		3259	});
		3260
		3261	register_exticmd fx_want => sub {
		3262	my ($ns, $want) = @_;
		3263
		3264	while (my ($k, $v) = each %$want) {
		3265	$ns->fx_want ($k, $v);
		3266	}
		3267	};
		3268
		3269	sub reload_regions {
		3270	# HACK to clear player env face cache, we need some signal framework
		3271	# for this (global event?)
		3272	%ext::player_env::MUSIC_FACE_CACHE = ();
		3273
		3274	load_resource_file "$MAPDIR/regions"
		3275	or die "unable to load regions file\n";
		3276
		3277	for (cf::region::list) {
		3278	$_->{match} = qr/$_->{match}/
		3279	if exists $_->{match};
		3280	}
		3281	}
		3282
		3283	sub reload_facedata {
		3284	load_facedata "$DATADIR/facedata"
		3285	or die "unable to load facedata\n";
		3286	}
		3287
		3288	sub reload_archetypes {
		3289	load_resource_file "$DATADIR/archetypes"
		3290	or die "unable to load archetypes\n";
		3291	#d# NEED to laod twice to resolve forward references
		3292	# this really needs to be done in an extra post-pass
		3293	# (which needs to be synchronous, so solve it differently)
		3294	load_resource_file "$DATADIR/archetypes"
		3295	or die "unable to load archetypes\n";
		3296	}
		3297
		3298	sub reload_treasures {
		3299	load_resource_file "$DATADIR/treasures"
		3300	or die "unable to load treasurelists\n";
		3301	}
		3302
		3303	sub reload_resources {
		3304	warn "reloading resource files...\n";
		3305
		3306	reload_regions;
		3307	reload_facedata;
		3308	#reload_archetypes;#d#
		3309	reload_archetypes;
		3310	reload_treasures;
		3311
		3312	warn "finished reloading resource files\n";
		3313	}
		3314
		3315	sub init {
		3316	reload_resources;
		3317	}
		3318
		3319	sub reload_config {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	3320	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	3321	or return;
2232		3322
2233	local $/;	3323	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	3324	*CFG = YAML::Load <$fh>;
2235		3325
2236	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3326	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2237		3327
2238	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3328	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2239	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3329	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2249		3339
2250	sub main {	3340	sub main {
2251	# we must not ever block the main coroutine	3341	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	3342	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3343	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2254	async { Event::one_event };	3344	(async {
		3345	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3346	EV::loop EV::LOOP_ONESHOT;
		3347	})->prio (Coro::PRIO_MAX);
2255	};	3348	};
2256		3349
2257	cfg_load;	3350	reload_config;
2258	db_load;	3351	db_init;
2259	load_extensions;	3352	load_extensions;
		3353
		3354	$TICK_WATCHER->start;
		3355	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2260	Event::loop;	3356	EV::loop;
2261	}	3357	}
2262		3358
2263	#############################################################################	3359	#############################################################################
2264	# initialisation and cleanup	3360	# initialisation and cleanup
2265		3361
2266	# install some emergency cleanup handlers	3362	# install some emergency cleanup handlers
2267	BEGIN {	3363	BEGIN {
		3364	our %SIGWATCHER = ();
2268	for my $signal (qw(INT HUP TERM)) {	3365	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	3366	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2270	data => WF_AUTOCANCEL,
2271	signal => $signal,
2272	cb => sub {
2273	cf::cleanup "SIG$signal";	3367	cf::cleanup "SIG$signal";
2274	},
2275	);	3368	};
		3369	}
		3370	}
		3371
		3372	sub write_runtime {
		3373	my $runtime = "$LOCALDIR/runtime";
		3374
		3375	# first touch the runtime file to show we are still running:
		3376	# the fsync below can take a very very long time.
		3377
		3378	IO::AIO::aio_utime $runtime, undef, undef;
		3379
		3380	my $guard = cf::lock_acquire "write_runtime";
		3381
		3382	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3383	or return;
		3384
		3385	my $value = $cf::RUNTIME + 90 + 10;
		3386	# 10 is the runtime save interval, for a monotonic clock
		3387	# 60 allows for the watchdog to kill the server.
		3388
		3389	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3390	and return;
		3391
		3392	# always fsync - this file is important
		3393	aio_fsync $fh
		3394	and return;
		3395
		3396	# touch it again to show we are up-to-date
		3397	aio_utime $fh, undef, undef;
		3398
		3399	close $fh
		3400	or return;
		3401
		3402	aio_rename "$runtime~", $runtime
		3403	and return;
		3404
		3405	warn "runtime file written.\n";
		3406
2276	}	3407	1
2277	}	3408	}
2278		3409
2279	sub emergency_save() {	3410	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3411	my $freeze_guard = cf::freeze_mainloop;
2281		3412
2282	warn "enter emergency perl save\n";	3413	warn "enter emergency perl save\n";
2283		3414
2284	cf::sync_job {	3415	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	3416	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3417	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3418	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3419	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	3420	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3421	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3422	$pl->valid or next;
		3423	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2292	$pl->save;	3424	$pl->save;
2293	}	3425	}
2294	warn "end emergency player save\n";	3426	warn "end emergency player save\n";
2295		3427
2296	warn "begin emergency map save\n";	3428	warn "begin emergency map save\n";
…		…
2298	my $map = $cf::MAP{$path} or next;	3430	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3431	$map->valid or next;
2300	$map->save;	3432	$map->save;
2301	}	3433	}
2302	warn "end emergency map save\n";	3434	warn "end emergency map save\n";
		3435
		3436	warn "begin emergency database checkpoint\n";
		3437	BDB::db_env_txn_checkpoint $DB_ENV;
		3438	warn "end emergency database checkpoint\n";
2303	};	3439	};
2304		3440
2305	warn "leave emergency perl save\n";	3441	warn "leave emergency perl save\n";
2306	}	3442	}
2307		3443
		3444	sub post_cleanup {
		3445	my ($make_core) = @_;
		3446
		3447	warn Carp::longmess "post_cleanup backtrace"
		3448	if $make_core;
		3449	}
		3450
2308	sub reload() {	3451	sub do_reload_perl() {
2309	# can/must only be called in main	3452	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3453	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	3454	warn "can only reload from main coroutine";
2312	return;	3455	return;
2313	}	3456	}
2314		3457
2315	warn "reloading...";	3458	warn "reloading...";
2316		3459
2317	warn "freezing server";	3460	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	3461
		3462	cf::sync_job {
		3463	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	3464	cf::emergency_save;
		3465	cf::write_runtime; # external watchdog should not bark
2320		3466
2321	warn "sync database to disk";	3467	warn "syncing database to disk";
2322	cf::db_sync;	3468	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		3469
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	3470	# if anything goes wrong in here, we should simply crash as we already saved
2327		3471
2328	warn "cancel all watchers";	3472	warn "flushing outstanding aio requests";
2329	for (Event::all_watchers) {	3473	for (;;) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	3474	BDB::flush;
		3475	IO::AIO::flush;
		3476	Coro::cede_notself;
		3477	last unless IO::AIO::nreqs || BDB::nreqs;
		3478	warn "iterate...";
2331	}	3479	}
2332		3480
		3481	++$RELOAD;
		3482
2333	warn "cancel all extension coros";	3483	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	3484	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	3485	%EXT_CORO = ();
2336		3486
2337	warn "remove commands";	3487	warn "removing commands";
2338	%COMMAND = ();	3488	%COMMAND = ();
2339		3489
2340	warn "remove ext commands";	3490	warn "removing ext/exti commands";
2341	%EXTCMD = ();	3491	%EXTCMD = ();
		3492	%EXTICMD = ();
2342		3493
2343	warn "unload/nuke all extensions";	3494	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	3495	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	3496	warn "... unloading $pkg";
2346		3497
2347	if (my $cb = $pkg->can ("unload")) {	3498	if (my $cb = $pkg->can ("unload")) {
2348	eval {	3499	eval {
…		…
2353		3504
2354	warn "... nuking $pkg";	3505	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	3506	Symbol::delete_package $pkg;
2356	}	3507	}
2357		3508
2358	warn "unload all perl modules loaded from $LIBDIR";	3509	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	3510	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3511	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		3512
2362	warn "removing <$k>";	3513	warn "... unloading $k";
2363	delete $INC{$k};	3514	delete $INC{$k};
2364		3515
2365	$k =~ s/\.pm$//;	3516	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	3517	$k =~ s/\//::/g;
2367		3518
…		…
2370	}	3521	}
2371		3522
2372	Symbol::delete_package $k;	3523	Symbol::delete_package $k;
2373	}	3524	}
2374		3525
2375	warn "get rid of safe::, as good as possible";	3526	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3527	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3529
2379	warn "unload cf.pm \"a bit\"";	3530	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3531	delete $INC{"cf.pm"};
		3532	delete $INC{"cf/pod.pm"};
2381		3533
2382	# don't, removes xs symbols, too,	3534	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3535	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3536	#Symbol::delete_package __PACKAGE__;
2385		3537
		3538	warn "unload completed, starting to reload now";
		3539
2386	warn "reloading cf.pm";	3540	warn "reloading cf.pm";
2387	require cf;	3541	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3542	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		3543
2390	warn "load config and database again";	3544	warn "loading config and database again";
2391	cf::cfg_load;	3545	cf::reload_config;
2392	cf::db_load;
2393		3546
2394	warn "load extensions";	3547	warn "loading extensions";
2395	cf::load_extensions;	3548	cf::load_extensions;
2396		3549
2397	warn "reattach attachments to objects/players";	3550	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3551	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3552	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3553	reattach $_ for values %MAP;
		3554	warn "reattaching attachments to players";
		3555	reattach $_ for values %PLAYER;
		3556
		3557	warn "leaving sync_job";
		3558
		3559	1
		3560	} or do {
		3561	warn $@;
		3562	cf::cleanup "error while reloading, exiting.";
2401	};	3563	};
2402
2403	if ($@) {
2404	warn $@;
2405	warn "error while reloading, exiting.";
2406	exit 1;
2407	}
2408		3564
2409	warn "reloaded";	3565	warn "reloaded";
2410	};	3566	};
2411		3567
2412	#############################################################################	3568	our $RELOAD_WATCHER; # used only during reload
2413		3569
2414	unless ($LINK_MAP) {	3570	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	3571	# doing reload synchronously and two reloads happen back-to-back,
		3572	# coro crashes during coro_state_free->destroy here.
2416		3573
2417	$LINK_MAP->width (41);	3574	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2418	$LINK_MAP->height (41);	3575	do_reload_perl;
2419	$LINK_MAP->alloc;	3576	undef $RELOAD_WATCHER;
2420	$LINK_MAP->path ("{link}");	3577	};
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,
2427	cb => sub {
2428	$_[0]->w->cancel;
2429
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});
2448
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3578	}
2454		3579
2455	register_command "reload" => sub {	3580	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3581	my ($who, $arg) = @_;
2457		3582
2458	if ($who->flag (FLAG_WIZ)) {	3583	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3584	$who->message ("reloading server.");
		3585	async {
		3586	$Coro::current->{desc} = "perl_reload";
		3587	reload_perl;
		3588	};
2462	}	3589	}
2463	};	3590	};
2464		3591
2465	unshift @INC, $LIBDIR;	3592	unshift @INC, $LIBDIR;
2466		3593
2467	$TICK_WATCHER = Event->timer (	3594	my $bug_warning = 0;
2468	reentrant => 0,
2469	prio => 0,
2470	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,
2472	cb => sub {
2473	$NOW = Event::time;
2474		3595
		3596	our @WAIT_FOR_TICK;
		3597	our @WAIT_FOR_TICK_BEGIN;
		3598
		3599	sub wait_for_tick {
		3600	return unless $TICK_WATCHER->is_active;
		3601	return if $Coro::current == $Coro::main;
		3602
		3603	my $signal = new Coro::Signal;
		3604	push @WAIT_FOR_TICK, $signal;
		3605	$signal->wait;
		3606	}
		3607
		3608	sub wait_for_tick_begin {
		3609	return unless $TICK_WATCHER->is_active;
		3610	return if $Coro::current == $Coro::main;
		3611
		3612	my $signal = new Coro::Signal;
		3613	push @WAIT_FOR_TICK_BEGIN, $signal;
		3614	$signal->wait;
		3615	}
		3616
		3617	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
		3618	if ($Coro::current != $Coro::main) {
		3619	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3620	unless ++$bug_warning > 10;
		3621	return;
		3622	}
		3623
		3624	$NOW = $tick_start = EV::now;
		3625
2475	cf::server_tick; # one server iteration	3626	cf::server_tick; # one server iteration
		3627
2476	$RUNTIME += $TICK;	3628	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	3629	$NEXT_TICK = $_[0]->at;
2478		3630
2479	$WAIT_FOR_TICK->broadcast;	3631	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3632	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2481		3633	Coro::async_pool {
2482	# if we are delayed by four ticks or more, skip them all	3634	$Coro::current->{desc} = "runtime saver";
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2484
2485	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;
2487	},
2488	);
2489
2490	IO::AIO::max_poll_time $TICK * 0.2;
2491
2492	Event->io (
2493	fd => IO::AIO::poll_fileno,
2494	poll => 'r',
2495	prio => 5,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,
2502	after => 0,
2503	interval => 10,
2504	cb => sub {
2505	(Coro::unblock_sub {
2506	write_runtime	3635	write_runtime
2507	or warn "ERROR: unable to write runtime file: $!";	3636	or warn "ERROR: unable to write runtime file: $!";
2508	})->();	3637	};
2509	},	3638	}
2510	);	3639
		3640	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3641	$sig->send;
		3642	}
		3643	while (my $sig = shift @WAIT_FOR_TICK) {
		3644	$sig->send;
		3645	}
		3646
		3647	$LOAD = ($NOW - $tick_start) / $TICK;
		3648	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3649
		3650	_post_tick;
		3651	};
		3652	$TICK_WATCHER->priority (EV::MAXPRI);
		3653
		3654	{
		3655	# configure BDB
		3656
		3657	BDB::min_parallel 8;
		3658	BDB::max_poll_reqs $TICK * 0.1;
		3659	$Coro::BDB::WATCHER->priority (1);
		3660
		3661	unless ($DB_ENV) {
		3662	$DB_ENV = BDB::db_env_create;
		3663	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3664	| BDB::LOG_AUTOREMOVE, 1);
		3665	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3666	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3667
		3668	cf::sync_job {
		3669	eval {
		3670	BDB::db_env_open
		3671	$DB_ENV,
		3672	$BDBDIR,
		3673	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3674	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3675	0666;
		3676
		3677	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3678	};
		3679
		3680	cf::cleanup "db_env_open(db): $@" if $@;
		3681	};
		3682	}
		3683
		3684	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3685	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3686	};
		3687	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3688	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3689	};
		3690	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3691	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3692	};
		3693	}
		3694
		3695	{
		3696	# configure IO::AIO
		3697
		3698	IO::AIO::min_parallel 8;
		3699	IO::AIO::max_poll_time $TICK * 0.1;
		3700	$Coro::AIO::WATCHER->priority (1);
		3701	}
		3702
		3703	my $_log_backtrace;
		3704
		3705	sub _log_backtrace {
		3706	my ($msg, @addr) = @_;
		3707
		3708	$msg =~ s/\n//;
		3709
		3710	# limit the # of concurrent backtraces
		3711	if ($_log_backtrace < 2) {
		3712	++$_log_backtrace;
		3713	async {
		3714	$Coro::current->{desc} = "abt $msg";
		3715
		3716	my @bt = fork_call {
		3717	@addr = map { sprintf "%x", $_ } @addr;
		3718	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3719	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3720	or die "addr2line: $!";
		3721
		3722	my @funcs;
		3723	my @res = <$fh>;
		3724	chomp for @res;
		3725	while (@res) {
		3726	my ($func, $line) = splice @res, 0, 2, ();
		3727	push @funcs, "[$func] $line";
		3728	}
		3729
		3730	@funcs
		3731	};
		3732
		3733	LOG llevInfo, "[ABT] $msg\n";
		3734	LOG llevInfo, "[ABT] $_\n" for @bt;
		3735	--$_log_backtrace;
		3736	};
		3737	} else {
		3738	LOG llevInfo, "[ABT] $msg\n";
		3739	LOG llevInfo, "[ABT] [suppressed]\n";
		3740	}
		3741	}
		3742
		3743	# load additional modules
		3744	use cf::pod;
2511		3745
2512	END { cf::emergency_save }	3746	END { cf::emergency_save }
2513		3747
2514	1	3748	1
2515		3749

Diff Legend

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