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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.186 by root, Sat Jan 20 01:12:39 2007 UTC vs.
Revision 1.408 by root, Mon Jan 14 10:12:12 2008 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use 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 3.4 ();	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;
49	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	77	our $NEXT_TICK;
52	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;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
58		91
59	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	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
101	every server tick.	133	every server tick.
102		134
103	=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
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	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
124	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
125	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.
126	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.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
140	LOG llevError, $msg;	192	LOG llevError, $msg;
141	};	193	};
142	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	warn Carp::longmess $_[0];
		198	Coro::terminate;
		199	};
143		200
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	204	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	205	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		206	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	207	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		208
151	# we bless all objects into (empty) derived classes to force a method lookup	209	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	210	# within the Safe compartment.
153	for my $pkg (qw(	211	for my $pkg (qw(
154	cf::global cf::attachable	212	cf::global cf::attachable
…		…
159	)) {	217	)) {
160	no strict 'refs';	218	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	220	}
163		221
164	$Event::DIED = sub {	222	$EV::DIED = sub {
165	warn "error in event callback: @_";	223	warn "error in event callback: @_";
166	};	224	};
		225
		226	#############################################################################
167		227
168	=head2 UTILITY FUNCTIONS	228	=head2 UTILITY FUNCTIONS
169		229
170	=over 4	230	=over 4
171		231
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	250	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	251	$d
192	} || "[unable to dump $_[0]: '$@']";	252	} || "[unable to dump $_[0]: '$@']";
193	}	253	}
194		254
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	255	=item $ref = cf::decode_json $json
198		256
199	Converts a JSON string into the corresponding perl data structure.	257	Converts a JSON string into the corresponding perl data structure.
200		258
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	259	=item $json = cf::encode_json $ref
209		260
210	Converts a perl data structure into its JSON representation.	261	Converts a perl data structure into its JSON representation.
211		262
212	=cut	263	=cut
213		264
214	sub to_json($) {	265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	266
216	JSON::Syck::Dump $_[0]	267	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	268	sub decode_json($) { $json_coder->decode ($_[0]) }
218		269
219	=item cf::lock_wait $string	270	=item cf::lock_wait $string
220		271
221	Wait until the given lock is available. See cf::lock_acquire.	272	Wait until the given lock is available. See cf::lock_acquire.
222		273
…		…
225	Wait until the given lock is available and then acquires it and returns	276	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	277	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	278	for example when the coroutine gets canceled), the lock is automatically
228	returned.	279	returned.
229		280
		281	Locks are *not* recursive, locking from the same coro twice results in a
		282	deadlocked coro.
		283
230	Lock names should begin with a unique identifier (for example, cf::map::find	284	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	285	uses map_find and cf::map::load uses map_load).
232		286
		287	=item $locked = cf::lock_active $string
		288
		289	Return true if the lock is currently active, i.e. somebody has locked it.
		290
233	=cut	291	=cut
234		292
235	our %LOCK;	293	our %LOCK;
		294	our %LOCKER;#d#
236		295
237	sub lock_wait($) {	296	sub lock_wait($) {
238	my ($key) = @_;	297	my ($key) = @_;
		298
		299	if ($LOCKER{$key} == $Coro::current) {#d#
		300	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		301	return;#d#
		302	}#d#
239		303
240	# wait for lock, if any	304	# wait for lock, if any
241	while ($LOCK{$key}) {	305	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	306	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	307	Coro::schedule;
…		…
249		313
250	# wait, to be sure we are not locked	314	# wait, to be sure we are not locked
251	lock_wait $key;	315	lock_wait $key;
252		316
253	$LOCK{$key} = [];	317	$LOCK{$key} = [];
		318	$LOCKER{$key} = $Coro::current;#d#
254		319
255	Coro::guard {	320	Coro::guard {
		321	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	322	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	323	$_->ready for @{ delete $LOCK{$key} };
258	}	324	}
259	}	325	}
260		326
		327	sub lock_active($) {
		328	my ($key) = @_;
		329
		330	! ! $LOCK{$key}
		331	}
		332
261	sub freeze_mainloop {	333	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	334	return unless $TICK_WATCHER->is_active;
263		335
264	my $guard = Coro::guard {	336	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	337	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	338	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	339	$TICK_WATCHER->stop;
270	$guard	340	$guard
		341	}
		342
		343	=item cf::periodic $interval, $cb
		344
		345	Like EV::periodic, but randomly selects a starting point so that the actions
		346	get spread over timer.
		347
		348	=cut
		349
		350	sub periodic($$) {
		351	my ($interval, $cb) = @_;
		352
		353	my $start = rand List::Util::min 180, $interval;
		354
		355	EV::periodic $start, $interval, 0, $cb
		356	}
		357
		358	=item cf::get_slot $time[, $priority[, $name]]
		359
		360	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		361	This call blocks and returns only when you have at least C<$time> seconds
		362	of cpu time till the next tick. The slot is only valid till the next cede.
		363
		364	The optional C<$name> can be used to identify the job to run. It might be
		365	used for statistical purposes and should identify the same time-class.
		366
		367	Useful for short background jobs.
		368
		369	=cut
		370
		371	our @SLOT_QUEUE;
		372	our $SLOT_QUEUE;
		373
		374	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		375	$SLOT_QUEUE = Coro::async {
		376	$Coro::current->desc ("timeslot manager");
		377
		378	my $signal = new Coro::Signal;
		379
		380	while () {
		381	next_job:
		382	my $avail = cf::till_tick;
		383	if ($avail > 0.01) {
		384	for (0 .. $#SLOT_QUEUE) {
		385	if ($SLOT_QUEUE[$_][0] < $avail) {
		386	my $job = splice @SLOT_QUEUE, $_, 1, ();
		387	$job->[2]->send;
		388	Coro::cede;
		389	goto next_job;
		390	}
		391	}
		392	}
		393
		394	if (@SLOT_QUEUE) {
		395	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		396	push @cf::WAIT_FOR_TICK, $signal;
		397	$signal->wait;
		398	} else {
		399	Coro::schedule;
		400	}
		401	}
		402	};
		403
		404	sub get_slot($;$$) {
		405	my ($time, $pri, $name) = @_;
		406
		407	$time = $TICK * .6 if $time > $TICK * .6;
		408	my $sig = new Coro::Signal;
		409
		410	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		411	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		412	$SLOT_QUEUE->ready;
		413	$sig->wait;
271	}	414	}
272		415
273	=item cf::async { BLOCK }	416	=item cf::async { BLOCK }
274		417
275	Currently the same as Coro::async_pool, meaning you cannot use	418	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		423
281	BEGIN { *async = \&Coro::async_pool }	424	BEGIN { *async = \&Coro::async_pool }
282		425
283	=item cf::sync_job { BLOCK }	426	=item cf::sync_job { BLOCK }
284		427
285	The design of crossfire+ requires that the main coro ($Coro::main) is	428	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	429	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	430	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		431	acceptable.
288		432
289	If it must be done, put the blocking parts into C<sync_job>. This will run	433	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	434	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	435	server will be frozen during this time, so the block should either finish
292	fast or be very important.	436	fast or be very important.
…		…
295		439
296	sub sync_job(&) {	440	sub sync_job(&) {
297	my ($job) = @_;	441	my ($job) = @_;
298		442
299	if ($Coro::current == $Coro::main) {	443	if ($Coro::current == $Coro::main) {
		444	my $time = EV::time;
		445
300	# this is the main coro, too bad, we have to block	446	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	447	# till the operation succeeds, freezing the server :/
302		448
		449	LOG llevError, Carp::longmess "sync job";#d#
		450
303	# TODO: use suspend/resume instead	451	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	452	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	453	my $freeze_guard = freeze_mainloop;
306		454
307	my $busy = 1;	455	my $busy = 1;
308	my @res;	456	my @res;
309		457
310	(async {	458	(async {
		459	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	460	@res = eval { $job->() };
312	warn $@ if $@;	461	warn $@ if $@;
313	undef $busy;	462	undef $busy;
314	})->prio (Coro::PRIO_MAX);	463	})->prio (Coro::PRIO_MAX);
315		464
316	while ($busy) {	465	while ($busy) {
317	Coro::cede or Event::one_event;	466	if (Coro::nready) {
		467	Coro::cede_notself;
		468	} else {
		469	EV::loop EV::LOOP_ONESHOT;
318	}	470	}
		471	}
		472
		473	$time = EV::time - $time;
		474
		475	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		476	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		477
		478	$tick_start += $time; # do not account sync jobs to server load
319		479
320	wantarray ? @res : $res[0]	480	wantarray ? @res : $res[0]
321	} else {	481	} else {
322	# we are in another coroutine, how wonderful, everything just works	482	# we are in another coroutine, how wonderful, everything just works
323		483
…		…
343	$EXT_CORO{$coro+0} = $coro;	503	$EXT_CORO{$coro+0} = $coro;
344		504
345	$coro	505	$coro
346	}	506	}
347		507
348	sub write_runtime {	508	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		509
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	510	Executes the given code block with the given arguments in a seperate
352	or return;	511	process, returning the results. Everything must be serialisable with
		512	Coro::Storable. May, of course, block. Note that the executed sub may
		513	never block itself or use any form of event handling.
353		514
354	my $value = $cf::RUNTIME + 90 + 10;	515	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		516
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	517	sub fork_call(&@) {
359	and return;	518	my ($cb, @args) = @_;
360		519
361	aio_fsync $fh	520	# we seemingly have to make a local copy of the whole thing,
362	and return;	521	# otherwise perl prematurely frees the stuff :/
		522	# TODO: investigate and fix (likely this will be rather laborious)
363		523
364	close $fh	524	my @res = Coro::Util::fork_eval {
365	or return;	525	reset_signals;
		526	&$cb
		527	}, @args;
366		528
367	aio_rename "$runtime~", $runtime	529	wantarray ? @res : $res[-1]
368	and return;	530	}
369		531
		532	=item $value = cf::db_get $family => $key
		533
		534	Returns a single value from the environment database.
		535
		536	=item cf::db_put $family => $key => $value
		537
		538	Stores the given C<$value> in the family. It can currently store binary
		539	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		540
		541	=item $db = cf::db_table "name"
		542
		543	Create and/or open a new database table. The string must not be "db" and must be unique
		544	within each server.
		545
		546	=cut
		547
		548	sub db_table($) {
		549	my ($name) = @_;
		550	my $db = BDB::db_create $DB_ENV;
		551
		552	eval {
		553	$db->set_flags (BDB::CHKSUM);
		554
		555	utf8::encode $name;
		556	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		557	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		558	cf::cleanup "db_open(db): $!" if $!;
		559	};
		560	cf::cleanup "db_open(db): $@" if $@;
		561
		562	$db
		563	}
		564
		565	our $DB;
		566
		567	sub db_init {
		568	cf::sync_job {
		569	$DB ||= db_table "db";
		570	};
		571	}
		572
		573	sub db_get($$) {
		574	my $key = "$_[0]/$_[1]";
		575
		576	cf::sync_job {
		577	BDB::db_get $DB, undef, $key, my $data;
		578
		579	$! ? ()
		580	: $data
370	1	581	}
		582	}
		583
		584	sub db_put($$$) {
		585	BDB::dbreq_pri 4;
		586	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		587	}
		588
		589	=item cf::cache $id => [$paths...], $processversion => $process
		590
		591	Generic caching function that returns the value of the resource $id,
		592	caching and regenerating as required.
		593
		594	This function can block.
		595
		596	=cut
		597
		598	sub cache {
		599	my ($id, $src, $processversion, $process) = @_;
		600
		601	my $meta =
		602	join "\x00",
		603	$processversion,
		604	map {
		605	aio_stat $_
		606	and Carp::croak "$_: $!";
		607
		608	($_, (stat _)[7,9])
		609	} @$src;
		610
		611	my $dbmeta = db_get cache => "$id/meta";
		612	if ($dbmeta ne $meta) {
		613	# changed, we may need to process
		614
		615	my @data;
		616	my $md5;
		617
		618	for (0 .. $#$src) {
		619	0 <= aio_load $src->[$_], $data[$_]
		620	or Carp::croak "$src->[$_]: $!";
		621	}
		622
		623	# if processing is expensive, check
		624	# checksum first
		625	if (1) {
		626	$md5 =
		627	join "\x00",
		628	$processversion,
		629	map {
		630	cf::cede_to_tick;
		631	($src->[$_], Digest::MD5::md5_hex $data[$_])
		632	} 0.. $#$src;
		633
		634
		635	my $dbmd5 = db_get cache => "$id/md5";
		636	if ($dbmd5 eq $md5) {
		637	db_put cache => "$id/meta", $meta;
		638
		639	return db_get cache => "$id/data";
		640	}
		641	}
		642
		643	my $t1 = Time::HiRes::time;
		644	my $data = $process->(\@data);
		645	my $t2 = Time::HiRes::time;
		646
		647	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		648
		649	db_put cache => "$id/data", $data;
		650	db_put cache => "$id/md5" , $md5;
		651	db_put cache => "$id/meta", $meta;
		652
		653	return $data;
		654	}
		655
		656	db_get cache => "$id/data"
		657	}
		658
		659	=item cf::datalog type => key => value, ...
		660
		661	Log a datalog packet of the given type with the given key-value pairs.
		662
		663	=cut
		664
		665	sub datalog($@) {
		666	my ($type, %kv) = @_;
		667	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	668	}
372		669
373	=back	670	=back
374		671
375	=cut	672	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	679	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	680	to it. All such attachable objects support the following methods.
384		681
385	In the following description, CLASS can be any of C<global>, C<object>	682	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	683	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	684	Deliantra).
388		685
389	=over 4	686	=over 4
390		687
391	=item $attachable->attach ($attachment, key => $value...)	688	=item $attachable->attach ($attachment, key => $value...)
392		689
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	852	$registry = $CB_TYPE[$object_type] ||= [];
556		853
557	} elsif ($type eq "subtype") {	854	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	855	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	856	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	857	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		858
562	} elsif ($type eq "package") {	859	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	860	my $pkg = shift @arg;
564		861
565	while (my ($name, $id) = each %cb_id) {	862	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	891	_attach $registry, $klass, @attach;
595	}	892	}
596		893
597	$obj->{$name} = \%arg;	894	$obj->{$name} = \%arg;
598	} else {	895	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	896	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	897	}
601		898
602	$obj->{_attachment}{$name} = undef;	899	$obj->{_attachment}{$name} = undef;
603	}	900	}
604		901
…		…
606	if (ref $_[0]) {	903	if (ref $_[0]) {
607	_object_attach @_;	904	_object_attach @_;
608	} else {	905	} else {
609	_attach shift->_attach_registry, @_;	906	_attach shift->_attach_registry, @_;
610	}	907	}
		908	_recalc_want;
611	};	909	};
612		910
613	# all those should be optimised	911	# all those should be optimised
614	sub cf::attachable::detach {	912	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	913	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	916	delete $obj->{_attachment}{$name};
619	reattach ($obj);	917	reattach ($obj);
620	} else {	918	} else {
621	Carp::croak "cannot, currently, detach class attachments";	919	Carp::croak "cannot, currently, detach class attachments";
622	}	920	}
		921	_recalc_want;
623	};	922	};
624		923
625	sub cf::attachable::attached {	924	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	925	my ($obj, $name) = @_;
627		926
…		…
642	";	941	";
643	die if $@;	942	die if $@;
644	}	943	}
645		944
646	our $override;	945	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	946	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		947
649	sub override {	948	sub override {
650	$override = 1;	949	$override = 1;
651	@invoke_results = ();	950	@INVOKE_RESULTS = (@_);
652	}	951	}
653		952
654	sub do_invoke {	953	sub do_invoke {
655	my $event = shift;	954	my $event = shift;
656	my $callbacks = shift;	955	my $callbacks = shift;
657		956
658	@invoke_results = ();	957	@INVOKE_RESULTS = ();
659		958
660	local $override;	959	local $override;
661		960
662	for (@$callbacks) {	961	for (@$callbacks) {
663	eval { &{$_->[1]} };	962	eval { &{$_->[1]} };
…		…
672	}	971	}
673		972
674	0	973	0
675	}	974	}
676		975
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		977
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	978	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		979
681	Generate an object-specific event with the given arguments.	980	Generate an object-specific event with the given arguments.
682		981
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	982	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	983	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	984	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		985
687	=back	986	=back
688		987
689	=cut	988	=cut
690		989
691	#############################################################################	990	#############################################################################
692	# object support	991	# object support
		992
		993	sub _object_equal($$);
		994	sub _object_equal($$) {
		995	my ($a, $b) = @_;
		996
		997	return 0 unless (ref $a) eq (ref $b);
		998
		999	if ("HASH" eq ref $a) {
		1000	my @ka = keys %$a;
		1001	my @kb = keys %$b;
		1002
		1003	return 0 if @ka != @kb;
		1004
		1005	for (0 .. $#ka) {
		1006	return 0 unless $ka[$_] eq $kb[$_];
		1007	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1008	}
		1009
		1010	} elsif ("ARRAY" eq ref $a) {
		1011
		1012	return 0 if @$a != @$b;
		1013
		1014	for (0 .. $#$a) {
		1015	return 0 unless _object_equal $a->[$_], $b->[$_];
		1016	}
		1017
		1018	} elsif ($a ne $b) {
		1019	return 0;
		1020	}
		1021
		1022	1
		1023	}
		1024
		1025	our $SLOW_MERGES;#d#
		1026	sub _can_merge {
		1027	my ($ob1, $ob2) = @_;
		1028
		1029	++$SLOW_MERGES;#d#
		1030
		1031	# we do the slow way here
		1032	return _object_equal $ob1, $ob2
		1033	}
693		1034
694	sub reattach {	1035	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1036	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1037	my ($obj) = @_;
697		1038
…		…
718	cf::attachable->attach (	1059	cf::attachable->attach (
719	prio => -1000000,	1060	prio => -1000000,
720	on_instantiate => sub {	1061	on_instantiate => sub {
721	my ($obj, $data) = @_;	1062	my ($obj, $data) = @_;
722		1063
723	$data = from_json $data;	1064	$data = decode_json $data;
724		1065
725	for (@$data) {	1066	for (@$data) {
726	my ($name, $args) = @$_;	1067	my ($name, $args) = @$_;
727		1068
728	$obj->attach ($name, %{$args || {} });	1069	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1085	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1086	my ($filename, $rdata, $objs) = @_;
746		1087
747	sync_job {	1088	sync_job {
748	if (length $$rdata) {	1089	if (length $$rdata) {
		1090	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1091	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1092	$decname, length $$rdata, scalar @$objs;
751		1093
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1095	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1097	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1098	close $fh;
757		1099
758	if (@$objs) {	1100	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1101	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1102	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1104	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1105	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1106	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1107	aio_rename "$filename.pst~", "$filename.pst";
766	}	1108	}
767	} else {	1109	} else {
768	aio_unlink "$filename.pst";	1110	aio_unlink "$filename.pst";
…		…
774	}	1116	}
775	} else {	1117	} else {
776	aio_unlink $filename;	1118	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1119	aio_unlink "$filename.pst";
778	}	1120	}
779	}	1121	};
780	}	1122	}
781		1123
782	sub object_freezer_as_string {	1124	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1125	my ($rdata, $objs) = @_;
784		1126
…		…
796	or return;	1138	or return;
797		1139
798	unless (aio_stat "$filename.pst") {	1140	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1141	(aio_load "$filename.pst", $av) >= 0
800	or return;	1142	or return;
		1143
801	$av = eval { (Storable::thaw $av)->{objs} };	1144	my $st = eval { Coro::Storable::thaw $av };
		1145	$av = $st->{objs};
802	}	1146	}
803		1147
		1148	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1149	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1150	$decname, length $data, scalar @{$av || []};
		1151
806	return ($data, $av);	1152	($data, $av)
807	}	1153	}
		1154
		1155	=head2 COMMAND CALLBACKS
		1156
		1157	=over 4
		1158
		1159	=cut
808		1160
809	#############################################################################	1161	#############################################################################
810	# command handling &c	1162	# command handling &c
811		1163
812	=item cf::register_command $name => \&callback($ob,$args);	1164	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1177	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1178	}
827		1179
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1180	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1181
830	Register a callbackf ro execution when the client sends an extcmd packet.	1182	Register a callback for execution when the client sends an (synchronous)
		1183	extcmd packet. Ext commands will be processed in the order they are
		1184	received by the server, like other user commands. The first argument is
		1185	the logged-in player. Ext commands can only be processed after a player
		1186	has logged in successfully.
831		1187
832	If the callback returns something, it is sent back as if reply was being	1188	If the callback returns something, it is sent back as if reply was being
833	called.	1189	called.
834		1190
		1191	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1192
		1193	Register a callback for execution when the client sends an (asynchronous)
		1194	exticmd packet. Exti commands are processed by the server as soon as they
		1195	are received, i.e. out of order w.r.t. other commands. The first argument
		1196	is a client socket. Exti commands can be received anytime, even before
		1197	log-in.
		1198
		1199	If the callback returns something, it is sent back as if reply was being
		1200	called.
		1201
835	=cut	1202	=cut
836		1203
837	sub register_extcmd {	1204	sub register_extcmd {
838	my ($name, $cb) = @_;	1205	my ($name, $cb) = @_;
839		1206
840	$EXTCMD{$name} = $cb;	1207	$EXTCMD{$name} = $cb;
		1208	}
		1209
		1210	sub register_exticmd {
		1211	my ($name, $cb) = @_;
		1212
		1213	$EXTICMD{$name} = $cb;
841	}	1214	}
842		1215
843	cf::player->attach (	1216	cf::player->attach (
844	on_command => sub {	1217	on_command => sub {
845	my ($pl, $name, $params) = @_;	1218	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1227	cf::override;
855	},	1228	},
856	on_extcmd => sub {	1229	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1230	my ($pl, $buf) = @_;
858		1231
859	my $msg = eval { from_json $buf };	1232	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1233
861	if (ref $msg) {	1234	if (ref $msg) {
		1235	my ($type, $reply, @payload) =
		1236	"ARRAY" eq ref $msg
		1237	? @$msg
		1238	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1239
		1240	my @reply;
		1241
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1242	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1243	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1244	}
		1245
		1246	$pl->ext_reply ($reply, @reply)
		1247	if $reply;
		1248
867	} else {	1249	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1251	}
870		1252
871	cf::override;	1253	cf::override;
872	},	1254	},
873	);	1255	);
874		1256
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1257	sub load_extensions {
		1258	cf::sync_job {
		1259	my %todo;
		1260
910	for my $ext (<$LIBDIR/*.ext>) {	1261	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1262	next unless -r $path;
912	eval {	1263
913	load_extension $ext;	1264	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1265	my $base = $1;
		1266	my $pkg = $1;
		1267	$pkg =~ s/[^[:word:]]/_/g;
		1268	$pkg = "ext::$pkg";
		1269
		1270	open my $fh, "<:utf8", $path
		1271	or die "$path: $!";
		1272
		1273	my $source = do { local $/; <$fh> };
		1274
		1275	my %ext = (
		1276	path => $path,
		1277	base => $base,
		1278	pkg => $pkg,
		1279	);
		1280
		1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1283
		1284	$ext{source} =
		1285	"package $pkg; use strict; use utf8;\n"
		1286	. "#line 1 \"$path\"\n{\n"
		1287	. $source
		1288	. "\n};\n1";
		1289
		1290	$todo{$base} = \%ext;
		1291	}
		1292
		1293	my %done;
		1294	while (%todo) {
		1295	my $progress;
		1296
		1297	while (my ($k, $v) = each %todo) {
		1298	for (split /,\s*/, $v->{meta}{depends}) {
		1299	goto skip
		1300	unless exists $done{$_};
		1301	}
		1302
		1303	warn "... loading '$k' into '$v->{pkg}'\n";
		1304
		1305	unless (eval $v->{source}) {
		1306	my $msg = $@ ? "$v->{path}: $@\n"
		1307	: "$v->{base}: extension inactive.\n";
		1308
		1309	if (exists $v->{meta}{mandatory}) {
		1310	warn $msg;
		1311	warn "mandatory extension failed to load, exiting.\n";
		1312	exit 1;
		1313	}
		1314
		1315	warn $msg;
		1316	}
		1317
		1318	$done{$k} = delete $todo{$k};
		1319	push @EXTS, $v->{pkg};
		1320	$progress = 1;
914	1	1321	}
915	} or warn "$ext not loaded: $@";	1322
		1323	skip:
		1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1325	unless $progress;
		1326	}
916	}	1327	};
917	}	1328	}
918		1329
919	#############################################################################	1330	#############################################################################
920		1331
		1332	=back
		1333
921	=head2 CORE EXTENSIONS	1334	=head2 CORE EXTENSIONS
922		1335
923	Functions and methods that extend core crossfire objects.	1336	Functions and methods that extend core crossfire objects.
924		1337
925	=cut	1338	=cut
…		…
930		1343
931	=head3 cf::player	1344	=head3 cf::player
932		1345
933	=over 4	1346	=over 4
934		1347
		1348	=item cf::player::num_playing
		1349
		1350	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1351
		1352	=cut
		1353
		1354	sub num_playing {
		1355	scalar grep
		1356	$_->ob->map
		1357	&& !$_->hidden
		1358	&& !$_->ob->flag (cf::FLAG_WIZ),
		1359	cf::player::list
		1360	}
		1361
935	=item cf::player::find $login	1362	=item cf::player::find $login
936		1363
937	Returns the given player object, loading it if necessary (might block).	1364	Returns the given player object, loading it if necessary (might block).
938		1365
939	=cut	1366	=cut
940		1367
941	sub playerdir($) {	1368	sub playerdir($) {
942	cf::localdir	1369	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1370	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1371	}
948		1372
949	sub path($) {	1373	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1374	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1375
952	(playerdir $login) . "/$login.pl"	1376	(playerdir $login) . "/playerdata"
953	}	1377	}
954		1378
955	sub find_active($) {	1379	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1380	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1381	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1394	my $login = $_[0];
971		1395
972	my $guard = cf::lock_acquire "user_find:$login";	1396	my $guard = cf::lock_acquire "user_find:$login";
973		1397
974	$cf::PLAYER{$_[0]} || do {	1398	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1399	# rename old playerfiles to new ones
		1400	#TODO: remove when no longer required
		1401	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1402	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1403	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1404	aio_unlink +(playerdir $login) . "/$login.pl";
		1405
		1406	my $f = new_from_file cf::object::thawer path $login
976	or return;	1407	or return;
		1408
		1409	my $pl = cf::player::load_pl $f
		1410	or return;
		1411	local $cf::PLAYER_LOADING{$login} = $pl;
		1412	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1413	$cf::PLAYER{$login} = $pl
978	}	1414	}
979	}	1415	}
980	}	1416	}
981		1417
…		…
991		1427
992	aio_mkdir playerdir $pl, 0770;	1428	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1429	$pl->{last_save} = $cf::RUNTIME;
994		1430
995	$pl->save_pl ($path);	1431	$pl->save_pl ($path);
996	Coro::cede;	1432	cf::cede_to_tick;
997	}	1433	}
998		1434
999	sub new($) {	1435	sub new($) {
1000	my ($login) = @_;	1436	my ($login) = @_;
1001		1437
…		…
1007	$cf::PLAYER{$login} = $self;	1443	$cf::PLAYER{$login} = $self;
1008		1444
1009	$self	1445	$self
1010	}	1446	}
1011		1447
		1448	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1449
		1450	=cut
		1451
		1452	sub send_msg {
		1453	my $ns = shift->ns
		1454	or return;
		1455	$ns->send_msg (@_);
		1456	}
		1457
1012	=item $pl->quit_character	1458	=item $pl->quit_character
1013		1459
1014	Nukes the player without looking back. If logged in, the connection will	1460	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1461	be destroyed. May block for a long time.
1016		1462
1017	=cut	1463	=cut
1018		1464
1019	sub quit_character {	1465	sub quit_character {
1020	my ($pl) = @_;	1466	my ($pl) = @_;
		1467
		1468	my $name = $pl->ob->name;
1021		1469
1022	$pl->{deny_save} = 1;	1470	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1471	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1472
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1473	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1478	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1479	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1480	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1481	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1482	$pl->destroy;
		1483
		1484	my $prefix = qr<^~\Q$name\E/>;
		1485
		1486	# nuke player maps
		1487	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1488
1035	IO::AIO::aio_rmtree $temp;	1489	IO::AIO::aio_rmtree $temp;
		1490	}
		1491
		1492	=item $pl->kick
		1493
		1494	Kicks a player out of the game. This destroys the connection.
		1495
		1496	=cut
		1497
		1498	sub kick {
		1499	my ($pl, $kicker) = @_;
		1500
		1501	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1502	$pl->killer ("kicked");
		1503	$pl->ns->destroy;
1036	}	1504	}
1037		1505
1038	=item cf::player::list_logins	1506	=item cf::player::list_logins
1039		1507
1040	Returns am arrayref of all valid playernames in the system, can take a	1508	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1509	while and may block, so not sync_job-capable, ever.
1042		1510
1043	=cut	1511	=cut
1044		1512
1045	sub list_logins {	1513	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1514	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1515	or return [];
1048		1516
1049	my @logins;	1517	my @logins;
1050		1518
1051	for my $login (@$dirs) {	1519	for my $login (@$dirs) {
		1520	my $path = path $login;
		1521
		1522	# a .pst is a dead give-away for a valid player
		1523	unless (-e "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1525	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1526	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1527	}
1055		1528
1056	utf8::decode $login;	1529	utf8::decode $login;
1057	push @logins, $login;	1530	push @logins, $login;
1058	}	1531	}
1059		1532
…		…
1067		1540
1068	=cut	1541	=cut
1069		1542
1070	sub maps($) {	1543	sub maps($) {
1071	my ($pl) = @_;	1544	my ($pl) = @_;
		1545
		1546	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1547
1073	my $files = aio_readdir playerdir $pl	1548	my $files = aio_readdir playerdir $pl
1074	or return;	1549	or return;
1075		1550
1076	my @paths;	1551	my @paths;
…		…
1078	for (@$files) {	1553	for (@$files) {
1079	utf8::decode $_;	1554	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1555	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1556	next unless /^$PATH_SEP/o;
1082		1557
1083	s/\.map$//;	1558	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1559	}
1086		1560
1087	\@paths	1561	\@paths
1088	}	1562	}
1089		1563
		1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1565
		1566	Expand crossfire pod fragments into protocol xml.
		1567
		1568	=cut
		1569
		1570	use re 'eval';
		1571
		1572	my $group;
		1573	my $interior; $interior = qr{
		1574	# match a pod interior sequence sans C<< >>
		1575	(?:
		1576	\ (.*?)\ (?{ $group = $^N })
		1577	| < (??{$interior}) >
		1578	)
		1579	}x;
		1580
		1581	sub expand_cfpod {
		1582	my ($self, $pod) = @_;
		1583
		1584	my $xml;
		1585
		1586	while () {
		1587	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1588	$group = $1;
		1589
		1590	$group =~ s/&/&amp;/g;
		1591	$group =~ s/</&lt;/g;
		1592
		1593	$xml .= $group;
		1594	} elsif ($pod =~ m%\G
		1595	([BCGHITU])
		1596	<
		1597	(?:
		1598	([^<>]*) (?{ $group = $^N })
		1599	| < $interior >
		1600	)
		1601	>
		1602	%gcsx
		1603	) {
		1604	my ($code, $data) = ($1, $group);
		1605
		1606	if ($code eq "B") {
		1607	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1608	} elsif ($code eq "I") {
		1609	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1610	} elsif ($code eq "U") {
		1611	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1612	} elsif ($code eq "C") {
		1613	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1614	} elsif ($code eq "T") {
		1615	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1616	} elsif ($code eq "G") {
		1617	my ($male, $female) = split /\|/, $data;
		1618	$data = $self->gender ? $female : $male;
		1619	$xml .= expand_cfpod ($self, $data);
		1620	} elsif ($code eq "H") {
		1621	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1622	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1623	"")
		1624	[$self->{hintmode}];
		1625	} else {
		1626	$xml .= "error processing '$code($data)' directive";
		1627	}
		1628	} else {
		1629	if ($pod =~ /\G(.+)/) {
		1630	warn "parse error while expanding $pod (at $1)";
		1631	}
		1632	last;
		1633	}
		1634	}
		1635
		1636	for ($xml) {
		1637	# create single paragraphs (very hackish)
		1638	s/(?<=\S)\n(?=\w)/ /g;
		1639
		1640	# compress some whitespace
		1641	s/\s+\n/\n/g; # ws line-ends
		1642	s/\n\n+/\n/g; # double lines
		1643	s/^\n+//; # beginning lines
		1644	s/\n+$//; # ending lines
		1645	}
		1646
		1647	$xml
		1648	}
		1649
		1650	no re 'eval';
		1651
		1652	sub hintmode {
		1653	$_[0]{hintmode} = $_[1] if @_ > 1;
		1654	$_[0]{hintmode}
		1655	}
		1656
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1091		1658
1092	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1093		1660
1094	=cut	1661	=cut
1095		1662
1096	sub ext_reply($$$%) {	1663	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1098		1665
1099	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1667	}
1103		1668
1104	package cf;	1669	=item $player->ext_msg ($type, @msg)
		1670
		1671	Sends an ext event to the client.
		1672
		1673	=cut
		1674
		1675	sub ext_msg($$@) {
		1676	my ($self, $type, @msg) = @_;
		1677
		1678	$self->ns->ext_msg ($type, @msg);
		1679	}
		1680
		1681	=head3 cf::region
		1682
		1683	=over 4
		1684
		1685	=cut
		1686
		1687	package cf::region;
		1688
		1689	=item cf::region::find_by_path $path
		1690
		1691	Tries to decuce the likely region for a map knowing only its path.
		1692
		1693	=cut
		1694
		1695	sub find_by_path($) {
		1696	my ($path) = @_;
		1697
		1698	my ($match, $specificity);
		1699
		1700	for my $region (list) {
		1701	if ($region->{match} && $path =~ $region->{match}) {
		1702	($match, $specificity) = ($region, $region->specificity)
		1703	if $region->specificity > $specificity;
		1704	}
		1705	}
		1706
		1707	$match
		1708	}
1105		1709
1106	=back	1710	=back
1107
1108		1711
1109	=head3 cf::map	1712	=head3 cf::map
1110		1713
1111	=over 4	1714	=over 4
1112		1715
…		…
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1743	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}	1744	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)	1745	)
1143	}	1746	}
1144		1747
		1748	=item cf::map->register ($regex, $prio)
		1749
		1750	Register a handler for the map path matching the given regex at the
		1751	givne priority (higher is better, built-in handlers have priority 0, the
		1752	default).
		1753
		1754	=cut
		1755
1145	sub register {	1756	sub register {
1146	my (undef, $regex) = @_;	1757	my (undef, $regex, $prio) = @_;
1147	my $pkg = caller;	1758	my $pkg = caller;
1148		1759
1149	no strict;	1760	no strict;
1150	push @{"$pkg\::ISA"}, __PACKAGE__;	1761	push @{"$pkg\::ISA"}, __PACKAGE__;
1151		1762
1152	$EXT_MAP{$pkg} = qr<$regex>;	1763	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1153	}	1764	}
1154		1765
1155	# also paths starting with '/'	1766	# also paths starting with '/'
1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1767	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1157		1768
1158	sub thawer_merge {	1769	sub thawer_merge {
1159	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1160		1771
1161	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1162	local $self->{path};	1773	local $self->{path};
1163	local $self->{load_path};	1774	local $self->{load_path};
1164	local $self->{deny_save};
1165	local $self->{deny_reset};
1166		1775
1167	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1168	}	1777	}
1169		1778
1170	sub normalise {	1779	sub normalise {
1171	my ($path, $base) = @_;	1780	my ($path, $base) = @_;
		1781
		1782	$path = "$path"; # make sure its a string
		1783
		1784	$path =~ s/\.map$//;
1172		1785
1173	# map plan:	1786	# map plan:
1174	#	1787	#
1175	# /! non-realised random map exit (special hack!)	1788	# /! non-realised random map exit (special hack!)
1176	# {... are special paths that are not being touched	1789	# {... are special paths that are not being touched
…		…
1204		1817
1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1818	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1206		1819
1207	$path = normalise $path, $base;	1820	$path = normalise $path, $base;
1208		1821
1209	for my $pkg (keys %EXT_MAP) {	1822	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1210	if ($path =~ $EXT_MAP{$pkg}) {	1823	if ($path =~ $EXT_MAP{$pkg}[1]) {
1211	my $self = bless cf::map::new, $pkg;	1824	my $self = bless cf::map::new, $pkg;
1212	$self->{path} = $path; $self->path ($path);	1825	$self->{path} = $path; $self->path ($path);
1213	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1214	return $self;	1827	return $self;
1215	}	1828	}
1216	}	1829	}
1217		1830
1218	Carp::carp "unable to resolve path '$path'.";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1219	()	1832	()
1220	}	1833	}
1221		1834
1222	sub init {	1835	sub init {
1223	my ($self) = @_;	1836	my ($self) = @_;
…		…
1238		1851
1239	# the original (read-only) location	1852	# the original (read-only) location
1240	sub load_path {	1853	sub load_path {
1241	my ($self) = @_;	1854	my ($self) = @_;
1242		1855
1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1856	"$MAPDIR/$self->{path}.map"
1244	}	1857	}
1245		1858
1246	# the temporary/swap location	1859	# the temporary/swap location
1247	sub save_path {	1860	sub save_path {
1248	my ($self) = @_;	1861	my ($self) = @_;
1249		1862
1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1864	"$TMPDIR/$path.map"
1252	}	1865	}
1253		1866
1254	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1255	sub uniq_path {	1868	sub uniq_path {
1256	my ($self) = @_;	1869	my ($self) = @_;
1257		1870
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1872	"$UNIQUEDIR/$path"
1260	}	1873	}
1261		1874
1262	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1263	# all maps in C++...	1876	# all maps in C++...
1264	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1266		1879
1267	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1268	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1269	}	1882	}
1270		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1271	sub unlink_save {	1892	sub unlink_save {
1272	my ($self) = @_;	1893	my ($self) = @_;
1273		1894
1274	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1275	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1278		1899
1279	sub load_header_from($) {	1900	sub load_header_from($) {
1280	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1281		1902
1282	utf8::encode $path;	1903	utf8::encode $path;
1283	aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1284	or return;	1905	or return;
1285		1906
1286	$self->_load_header ($path)	1907	$self->_load_header ($f)
1287	or return;	1908	or return;
1288		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
		1912
1289	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1290		1914
1291	1	1915	1
1292	}	1916	}
1293		1917
1294	sub load_orig {	1918	sub load_header_orig {
1295	my ($self) = @_;	1919	my ($self) = @_;
1296		1920
1297	$self->load_header_from ($self->load_path)	1921	$self->load_header_from ($self->load_path)
1298	}	1922	}
1299		1923
1300	sub load_temp {	1924	sub load_header_temp {
1301	my ($self) = @_;	1925	my ($self) = @_;
1302		1926
1303	$self->load_header_from ($self->save_path)	1927	$self->load_header_from ($self->save_path)
		1928	}
		1929
		1930	sub prepare_temp {
		1931	my ($self) = @_;
		1932
		1933	$self->last_access ((delete $self->{last_access})
		1934	|| $cf::RUNTIME); #d#
		1935	# safety
		1936	$self->{instantiate_time} = $cf::RUNTIME
		1937	if $self->{instantiate_time} > $cf::RUNTIME;
		1938	}
		1939
		1940	sub prepare_orig {
		1941	my ($self) = @_;
		1942
		1943	$self->{load_original} = 1;
		1944	$self->{instantiate_time} = $cf::RUNTIME;
		1945	$self->last_access ($cf::RUNTIME);
		1946	$self->instantiate;
1304	}	1947	}
1305		1948
1306	sub load_header {	1949	sub load_header {
1307	my ($self) = @_;	1950	my ($self) = @_;
1308		1951
1309	if ($self->load_temp) {	1952	if ($self->load_header_temp) {
1310	$self->last_access ((delete $self->{last_access})	1953	$self->prepare_temp;
1311	|| $cf::RUNTIME); #d#
1312	# safety
1313	$self->{instantiate_time} = $cf::RUNTIME
1314	if $self->{instantiate_time} > $cf::RUNTIME;
1315	} else {	1954	} else {
1316	$self->load_orig	1955	$self->load_header_orig
1317	or return;	1956	or return;
1318		1957	$self->prepare_orig;
1319	$self->{load_original} = 1;
1320	$self->{instantiate_time} = $cf::RUNTIME;
1321	$self->last_access ($cf::RUNTIME);
1322	$self->instantiate;
1323	}	1958	}
		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
		1963	$self->default_region (cf::region::find_by_path $self->{path})
		1964	unless $self->default_region;
1324		1965
1325	1	1966	1
1326	}	1967	}
1327		1968
1328	sub find;	1969	sub find;
1329	sub find {	1970	sub find {
1330	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1331		1972
1332	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1333		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1334	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1335		1977
1336	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
1337	my $guard = cf::lock_acquire "map_find:$path";	1979	my $guard1 = cf::lock_acquire "map_find:$path";
		1980	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1981
1338	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1339	or return;	1983	or return;
1340		1984
1341	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1342		1986
1343	$map->load_header	1987	$map->load_header
1344	or return;	1988	or return;
1345		1989
1346	if ($map->should_reset) {	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1347	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1348	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard1;
		1994	undef $guard2;
1349	$map->reset;	1995	$map->reset;
1350	undef $guard;
1351	$map = find $path	1996	return find $path;
1352	or return;
1353	}	1997	}
1354		1998
1355	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1356	}	2000	}
1357	}	2001	}
		2002
		2003	sub pre_load { }
		2004	sub post_load { }
1358		2005
1359	sub load {	2006	sub load {
1360	my ($self) = @_;	2007	my ($self) = @_;
1361		2008
		2009	local $self->{deny_reset} = 1; # loading can take a long time
		2010
1362	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1363	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1364		2015
		2016	return unless $self->valid;
1365	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1366		2018
1367	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1368		2020
1369	$self->alloc;	2021	$self->alloc;
1370	$self->_load_objects ($self->{load_path}, 1)	2022
		2023	$self->pre_load;
		2024	cf::cede_to_tick;
		2025
		2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
		2028	$self->_load_objects ($f)
1371	or return;	2029	or return;
1372		2030
1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1374	if delete $self->{load_original};	2032	if delete $self->{load_original};
1375		2033
1376	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1377	utf8::encode $uniq;	2035	utf8::encode $uniq;
1378	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1379	$self->clear_unique_items;	2038	$self->clear_unique_items;
1380	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1381	}	2042	}
1382	}	2043	}
1383		2044
1384	Coro::cede;	2045	$f->resolve_delayed_derefs;
1385		2046
		2047	cf::cede_to_tick;
1386	# now do the right thing for maps	2048	# now do the right thing for maps
1387	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1388
1389	unless ($self->{deny_activate}) {
1390	$self->decay_objects;
1391	$self->fix_auto_apply;
1392	$self->update_buttons;
1393	Coro::cede;
1394	$self->set_darkness_map;
1395	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1396	unless $self->difficulty;	2051	unless $self->difficulty;
1397	Coro::cede;	2052	cf::cede_to_tick;
		2053
		2054	unless ($self->{deny_activate}) {
		2055	$self->decay_objects;
		2056	$self->fix_auto_apply;
		2057	$self->update_buttons;
		2058	cf::cede_to_tick;
		2059	$self->set_darkness_map;
		2060	cf::cede_to_tick;
1398	$self->activate;	2061	$self->activate;
1399	}	2062	}
1400		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
1401	$self->in_memory (cf::MAP_IN_MEMORY);	2067	$self->in_memory (cf::MAP_IN_MEMORY);
		2068	}
		2069
		2070	$self->post_load;
1402	}	2071	}
1403		2072
1404	sub customise_for {	2073	sub customise_for {
1405	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1406		2075
1407	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1408	if $self->per_player;	2077	if $self->per_player;
1409		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1410	$self	2082	$self
1411	}	2083	}
1412		2084
1413	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1414	sub load_diag {	2086	sub load_neighbours {
1415	my ($map) = @_;	2087	my ($map) = @_;
1416		2088
1417	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1418		2090
1419	for (0 .. 3) {	2091	for (0 .. 3) {
1420	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1421	or next;	2093	or next;
1422	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1423	or next;	2095	or next;
1424	$neigh->load;	2096	$neigh->load;
1425		2097
		2098	push @neigh,
1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1428	}	2101	}
1429		2102
1430	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1431	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1432	or next;	2106	or next;
1433	$neigh->load;	2107	$neigh->load;
1434	}	2108	}
1435	}	2109	}
1436		2110
…		…
1441	}	2115	}
1442		2116
1443	sub do_load_sync {	2117	sub do_load_sync {
1444	my ($map) = @_;	2118	my ($map) = @_;
1445		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1446	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1447	}	2124	}
1448		2125
1449	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1450	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1451		2128
1452	sub find_async {	2129	sub find_async {
1453	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1454		2131
1455	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1456		2133
1457	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1459	}	2136	}
1460		2137
1461	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1462	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1463	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1464	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1465	my $map = find $path	2145	if (my $map = find $k) {
1466	or next;
1467	$map->load;	2146	$map->load if $v;
		2147	}
1468		2148
1469	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1470	}	2150	}
1471	}	2151	}
1472	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1473	};	2153	};
		2154	$MAP_PREFETCHER->prio (6);
1474		2155
1475	()	2156	()
1476	}	2157	}
1477		2158
1478	sub save {	2159	sub save {
1479	my ($self) = @_;	2160	my ($self) = @_;
1480		2161
1481	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1482		2163
1483	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1484		2165
1485	return unless $self->dirty;	2166	return unless $self->dirty;
1486		2167
…		…
1492	return if $self->{deny_save};	2173	return if $self->{deny_save};
1493		2174
1494	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1495		2176
1496	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1497	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1498	};	2180	};
1499		2181
1500	if ($uniq) {	2182	if ($uniq) {
1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1509	my ($self) = @_;	2191	my ($self) = @_;
1510		2192
1511	# save first because save cedes	2193	# save first because save cedes
1512	$self->save;	2194	$self->save;
1513		2195
1514	my $lock = cf::lock_acquire "map_data:" . $self->path;	2196	my $lock = cf::lock_acquire "map_data:$self->{path}";
1515		2197
1516	return if $self->players;	2198	return if $self->players;
1517	return if $self->in_memory != cf::MAP_IN_MEMORY;	2199	return if $self->in_memory != cf::MAP_IN_MEMORY;
1518	return if $self->{deny_save};	2200	return if $self->{deny_save};
1519		2201
		2202	$self->in_memory (cf::MAP_SWAPPED);
		2203
		2204	$self->deactivate;
		2205	$_->clear_links_to ($self) for values %cf::MAP;
1520	$self->clear;	2206	$self->clear;
1521	$self->in_memory (cf::MAP_SWAPPED);
1522	}	2207	}
1523		2208
1524	sub reset_at {	2209	sub reset_at {
1525	my ($self) = @_;	2210	my ($self) = @_;
1526		2211
1527	# TODO: safety, remove and allow resettable per-player maps	2212	# TODO: safety, remove and allow resettable per-player maps
1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1529	return 1e99 if $self->{deny_reset};	2213	return 1e99 if $self->{deny_reset};
1530		2214
1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1533		2217
…		…
1544	my ($self) = @_;	2228	my ($self) = @_;
1545		2229
1546	my $lock = cf::lock_acquire "map_data:$self->{path}";	2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
1547		2231
1548	return if $self->players;	2232	return if $self->players;
1549	return if $self->isa ("ext::map_per_player");#d#
1550		2233
1551	warn "resetting map ", $self->path;#d#	2234	warn "resetting map ", $self->path;
		2235
		2236	$self->in_memory (cf::MAP_SWAPPED);
		2237
		2238	# need to save uniques path
		2239	unless ($self->{deny_save}) {
		2240	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2241
		2242	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2243	if $uniq;
		2244	}
1552		2245
1553	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1554		2247
1555	$self->in_memory (cf::MAP_SWAPPED);	2248	$self->deactivate;
		2249	$_->clear_links_to ($self) for values %cf::MAP;
1556	$self->clear;	2250	$self->clear;
1557
1558	$_->clear_links_to ($self) for values %cf::MAP;
1559		2251
1560	$self->unlink_save;	2252	$self->unlink_save;
1561	$self->destroy;	2253	$self->destroy;
1562	}	2254	}
1563		2255
1564	my $nuke_counter = "aaaa";	2256	my $nuke_counter = "aaaa";
1565		2257
1566	sub nuke {	2258	sub nuke {
1567	my ($self) = @_;	2259	my ($self) = @_;
1568		2260
		2261	{
		2262	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2263
1569	delete $cf::MAP{$self->path};	2264	delete $cf::MAP{$self->path};
1570		2265
1571	$self->unlink_save;	2266	$self->unlink_save;
1572		2267
1573	bless $self, "cf::map";	2268	bless $self, "cf::map";
1574	delete $self->{deny_reset};	2269	delete $self->{deny_reset};
1575	$self->{deny_save} = 1;	2270	$self->{deny_save} = 1;
1576	$self->reset_timeout (1);	2271	$self->reset_timeout (1);
1577	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1578		2273
1579	$cf::MAP{$self->path} = $self;	2274	$cf::MAP{$self->path} = $self;
		2275	}
1580		2276
1581	$self->reset; # polite request, might not happen	2277	$self->reset; # polite request, might not happen
		2278	}
		2279
		2280	=item $maps = cf::map::tmp_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	maps. May block.
		2284
		2285	=cut
		2286
		2287	sub tmp_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise $_
		2293	: ()
		2294	} @{ aio_readdir $TMPDIR or [] }
		2295	]
		2296	}
		2297
		2298	=item $maps = cf::map::random_maps
		2299
		2300	Returns an arrayref with all map paths of currently instantiated and saved
		2301	random maps. May block.
		2302
		2303	=cut
		2304
		2305	sub random_maps() {
		2306	[
		2307	map {
		2308	utf8::decode $_;
		2309	/\.map$/
		2310	? normalise "?random/$_"
		2311	: ()
		2312	} @{ aio_readdir $RANDOMDIR or [] }
		2313	]
1582	}	2314	}
1583		2315
1584	=item cf::map::unique_maps	2316	=item cf::map::unique_maps
1585		2317
1586	Returns an arrayref of paths of all shared maps that have	2318	Returns an arrayref of paths of all shared maps that have
1587	instantiated unique items. May block.	2319	instantiated unique items. May block.
1588		2320
1589	=cut	2321	=cut
1590		2322
1591	sub unique_maps() {	2323	sub unique_maps() {
1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2324	[
1593	or return;	2325	map {
1594
1595	my @paths;
1596
1597	for (@$files) {
1598	utf8::decode $_;	2326	utf8::decode $_;
1599	next if /\.pst$/;
1600	next unless /^$PATH_SEP/o;
1601
1602	s/\.map$//;	2327	/\.map$/
1603	push @paths, $_;	2328	? normalise $_
		2329	: ()
		2330	} @{ aio_readdir $UNIQUEDIR or [] }
1604	}	2331	]
1605
1606	\@paths
1607	}	2332	}
1608		2333
1609	package cf;	2334	package cf;
1610		2335
1611	=back	2336	=back
…		…
1629	map { $_, inv_recursive_ $_->inv } @_	2354	map { $_, inv_recursive_ $_->inv } @_
1630	}	2355	}
1631		2356
1632	sub inv_recursive {	2357	sub inv_recursive {
1633	inv_recursive_ inv $_[0]	2358	inv_recursive_ inv $_[0]
		2359	}
		2360
		2361	=item $ref = $ob->ref
		2362
		2363	creates and returns a persistent reference to an objetc that can be stored as a string.
		2364
		2365	=item $ob = cf::object::deref ($refstring)
		2366
		2367	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2368	even if the object actually exists. May block.
		2369
		2370	=cut
		2371
		2372	sub deref {
		2373	my ($ref) = @_;
		2374
		2375	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2376	my ($uuid, $name) = ($1, $2);
		2377	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2378	or return;
		2379	$pl->ob->uuid eq $uuid
		2380	or return;
		2381
		2382	$pl->ob
		2383	} else {
		2384	warn "$ref: cannot resolve object reference\n";
		2385	undef
		2386	}
1634	}	2387	}
1635		2388
1636	package cf;	2389	package cf;
1637		2390
1638	=back	2391	=back
…		…
1657		2410
1658	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2411	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1659		2412
1660	if ($self->{record_replies}) {	2413	if ($self->{record_replies}) {
1661	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2414	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2415
1662	} else {	2416	} else {
		2417	my $pl = $self->contr;
		2418
		2419	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2420	my $dialog = $pl->{npc_dialog};
		2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2422
		2423	} else {
1663	$msg = $npc->name . " says: $msg" if $npc;	2424	$msg = $npc->name . " says: $msg" if $npc;
1664	$self->message ($msg, $flags);	2425	$self->message ($msg, $flags);
		2426	}
1665	}	2427	}
		2428	}
		2429
		2430	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2431
		2432	=cut
		2433
		2434	sub cf::object::send_msg {
		2435	my $pl = shift->contr
		2436	or return;
		2437	$pl->send_msg (@_);
1666	}	2438	}
1667		2439
1668	=item $player_object->may ("access")	2440	=item $player_object->may ("access")
1669		2441
1670	Returns wether the given player is authorized to access resource "access"	2442	Returns wether the given player is authorized to access resource "access"
…		…
1702	=cut	2474	=cut
1703		2475
1704	sub link_map {	2476	sub link_map {
1705	unless ($LINK_MAP) {	2477	unless ($LINK_MAP) {
1706	$LINK_MAP = cf::map::find "{link}"	2478	$LINK_MAP = cf::map::find "{link}"
1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2479	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1708	$LINK_MAP->load;	2480	$LINK_MAP->load;
1709	}	2481	}
1710		2482
1711	$LINK_MAP	2483	$LINK_MAP
1712	}	2484	}
…		…
1717	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1718		2490
1719	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1720		2492
1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1722	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1723		2495
1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1725	}	2497	}
1726		2498
1727	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1728	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1729		2503
1730	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1731		2505
1732	unless ($map) {	2506	unless ($map) {
1733	# restore original map position	2507	# restore original map position
…		…
1747	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1748	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1749	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1750		2524
1751	$map->load;	2525	$map->load;
1752	$map->load_diag;	2526	$map->load_neighbours;
1753		2527
1754	return unless $self->contr->active;	2528	return unless $self->contr->active;
1755	$self->activate_recursive;	2529	$self->activate_recursive;
		2530
		2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1756	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1757	}	2533	}
1758		2534
1759	cf::player->attach (	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1760	on_logout => sub {
1761	my ($pl) = @_;
1762		2536
1763	# abort map switching before logout	2537	Moves the player to the given map-path and coordinates by first freezing
1764	if ($pl->ob->{_link_pos}) {	2538	her, loading and preparing them map, calling the provided $check callback
1765	cf::sync_job {	2539	that has to return the map if sucecssful, and then unfreezes the player on
1766	$pl->ob->leave_link	2540	the new (success) or old (failed) map position. In either case, $done will
1767	};	2541	be called at the end of this process.
1768	}
1769	},
1770	on_login => sub {
1771	my ($pl) = @_;
1772		2542
1773	# try to abort aborted map switching on player login :)
1774	# should happen only on crashes
1775	if ($pl->ob->{_link_pos}) {
1776	$pl->ob->enter_link;
1777	(async {
1778	# we need this sleep as the login has a concurrent enter_exit running
1779	# and this sleep increases chances of the player not ending up in scorn
1780	$pl->ob->reply (undef,
1781	"There was an internal problem at your last logout, "
1782	. "the server will try to bring you to your intended destination in a second.",
1783	cf::NDI_RED);
1784	Coro::Timer::sleep 1;
1785	$pl->ob->leave_link;
1786	})->prio (2);
1787	}
1788	},
1789	);
1790
1791	=item $player_object->goto ($path, $x, $y)
1792
1793	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1794		2546
1795	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1796	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
		2549
		2550	# do generation counting so two concurrent goto's will be executed in-order
		2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1797		2552
1798	$self->enter_link;	2553	$self->enter_link;
1799		2554
1800	(async {	2555	(async {
1801	my $map = cf::map::find $path;	2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
		2577	my $map = eval {
		2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1802	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
1803		2582	$map = $check->($map) if $check && $map;
1804	# warn "entering ", $map->path, " at ($x, $y)\n"	2583	} else {
1805	# if $map;
1806
1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
1808		2586
		2587	$map
		2588	};
		2589
		2590	if ($@) {
		2591	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2592	LOG llevError | logBacktrace, Carp::longmess $@;
		2593	}
		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1809	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1810	})->prio (1);	2601	})->prio (1);
1811	}	2602	}
1812		2603
1813	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1814		2605
…		…
1843	# that depends on the exit object	2634	# that depends on the exit object
1844		2635
1845	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
1846		2637
1847	if ($exit->map) {	2638	if ($exit->map) {
1848	$rmp->{region} = $exit->map->region_name;	2639	$rmp->{region} = $exit->region->name;
1849	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1850	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1851	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
1852	}	2643	}
1853		2644
1854	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1855		2646
1856	my $data = cf::to_json $rmp;	2647	my $data = cf::encode_json $rmp;
1857	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
1859		2650
1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1861	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
1862	undef $fh;	2653	undef $fh;
1863	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
…		…
1870	sub cf::object::player::enter_exit {	2661	sub cf::object::player::enter_exit {
1871	my ($self, $exit) = @_;	2662	my ($self, $exit) = @_;
1872		2663
1873	return unless $self->type == cf::PLAYER;	2664	return unless $self->type == cf::PLAYER;
1874		2665
		2666	if ($exit->slaying eq "/!") {
		2667	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2668	# the problem is that $exit might not survive long enough
		2669	# so it needs to be done right now, right here
		2670	cf::sync_job { prepare_random_map $exit };
		2671	}
		2672
		2673	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2674	my $hp = $exit->stats->hp;
		2675	my $sp = $exit->stats->sp;
		2676
1875	$self->enter_link;	2677	$self->enter_link;
1876		2678
		2679	# if exit is damned, update players death & WoR home-position
		2680	$self->contr->savebed ($slaying, $hp, $sp)
		2681	if $exit->flag (FLAG_DAMNED);
		2682
1877	(async {	2683	(async {
		2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2685
1878	$self->deactivate_recursive; # just to be sure	2686	$self->deactivate_recursive; # just to be sure
1879	unless (eval {	2687	unless (eval {
1880	prepare_random_map $exit	2688	$self->goto ($slaying, $hp, $sp);
1881	if $exit->slaying eq "/!";
1882
1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1885		2689
1886	1;	2690	1;
1887	}) {	2691	}) {
1888	$self->message ("Something went wrong deep within the crossfire server. "	2692	$self->message ("Something went wrong deep within the crossfire server. "
1889	. "I'll try to bring you back to the map you were before. "	2693	. "I'll try to bring you back to the map you were before. "
1890	. "Please report this to the dungeon master!",	2694	. "Please report this to the dungeon master!",
1891	cf::NDI_UNIQUE | cf::NDI_RED);	2695	cf::NDI_UNIQUE | cf::NDI_RED);
1892		2696
1893	warn "ERROR in enter_exit: $@";	2697	warn "ERROR in enter_exit: $@";
1894	$self->leave_link;	2698	$self->leave_link;
1895	}	2699	}
1896	})->prio (1);	2700	})->prio (1);
…		…
1909		2713
1910	sub cf::client::send_drawinfo {	2714	sub cf::client::send_drawinfo {
1911	my ($self, $text, $flags) = @_;	2715	my ($self, $text, $flags) = @_;
1912		2716
1913	utf8::encode $text;	2717	utf8::encode $text;
1914	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2718	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1915	}	2719	}
1916		2720
		2721	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2722
		2723	Send a drawinfo or msg packet to the client, formatting the msg for the
		2724	client if neccessary. C<$type> should be a string identifying the type of
		2725	the message, with C<log> being the default. If C<$color> is negative, suppress
		2726	the message unless the client supports the msg packet.
		2727
		2728	=cut
		2729
		2730	# non-persistent channels (usually the info channel)
		2731	our %CHANNEL = (
		2732	"c/identify" => {
		2733	id => "infobox",
		2734	title => "Identify",
		2735	reply => undef,
		2736	tooltip => "Items recently identified",
		2737	},
		2738	"c/examine" => {
		2739	id => "infobox",
		2740	title => "Examine",
		2741	reply => undef,
		2742	tooltip => "Signs and other items you examined",
		2743	},
		2744	"c/book" => {
		2745	id => "infobox",
		2746	title => "Book",
		2747	reply => undef,
		2748	tooltip => "The contents of a note or book",
		2749	},
		2750	"c/lookat" => {
		2751	id => "infobox",
		2752	title => "Look",
		2753	reply => undef,
		2754	tooltip => "What you saw there",
		2755	},
		2756	"c/who" => {
		2757	id => "infobox",
		2758	title => "Players",
		2759	reply => undef,
		2760	tooltip => "Shows players who are currently online",
		2761	},
		2762	"c/body" => {
		2763	id => "infobox",
		2764	title => "Body Parts",
		2765	reply => undef,
		2766	tooltip => "Shows which body parts you posess and are available",
		2767	},
		2768	"c/uptime" => {
		2769	id => "infobox",
		2770	title => "Uptime",
		2771	reply => undef,
		2772	tooltip => "How long the server has been running since last restart",
		2773	},
		2774	"c/mapinfo" => {
		2775	id => "infobox",
		2776	title => "Map Info",
		2777	reply => undef,
		2778	tooltip => "Information related to the maps",
		2779	},
		2780	);
		2781
		2782	sub cf::client::send_msg {
		2783	my ($self, $channel, $msg, $color, @extra) = @_;
		2784
		2785	$msg = $self->pl->expand_cfpod ($msg);
		2786
		2787	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2788
		2789	# check predefined channels, for the benefit of C
		2790	if ($CHANNEL{$channel}) {
		2791	$channel = $CHANNEL{$channel};
		2792
		2793	$self->ext_msg (channel_info => $channel)
		2794	if $self->can_msg;
		2795
		2796	$channel = $channel->{id};
		2797
		2798	} elsif (ref $channel) {
		2799	# send meta info to client, if not yet sent
		2800	unless (exists $self->{channel}{$channel->{id}}) {
		2801	$self->{channel}{$channel->{id}} = $channel;
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804	}
		2805
		2806	$channel = $channel->{id};
		2807	}
		2808
		2809	return unless @extra || length $msg;
		2810
		2811	if ($self->can_msg) {
		2812	# default colour, mask it out
		2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2814	if $color & cf::NDI_DEF;
		2815
		2816	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2818	} else {
		2819	if ($color >= 0) {
		2820	# replace some tags by gcfclient-compatible ones
		2821	for ($msg) {
		2822	1 while
		2823	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2824	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2825	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2826	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2827	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2828	}
		2829
		2830	$color &= cf::NDI_COLOR_MASK;
		2831
		2832	utf8::encode $msg;
		2833
		2834	if (0 && $msg =~ /\[/) {
		2835	# COMMAND/INFO
		2836	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2837	} else {
		2838	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2839	$self->send_packet ("drawinfo $color $msg")
		2840	}
		2841	}
		2842	}
		2843	}
		2844
		2845	=item $client->ext_msg ($type, @msg)
		2846
		2847	Sends an ext event to the client.
		2848
		2849	=cut
		2850
		2851	sub cf::client::ext_msg($$@) {
		2852	my ($self, $type, @msg) = @_;
		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2856	} elsif ($self->extcmd == 1) { # TODO: remove
		2857	push @msg, msgtype => "event_$type";
		2858	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2859	}
		2860	}
		2861
		2862	=item $client->ext_reply ($msgid, @msg)
		2863
		2864	Sends an ext reply to the client.
		2865
		2866	=cut
		2867
		2868	sub cf::client::ext_reply($$@) {
		2869	my ($self, $id, @msg) = @_;
		2870
		2871	if ($self->extcmd == 2) {
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2873	} elsif ($self->extcmd == 1) {
		2874	#TODO: version 1, remove
		2875	unshift @msg, msgtype => "reply", msgid => $id;
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2877	}
		2878	}
1917		2879
1918	=item $success = $client->query ($flags, "text", \&cb)	2880	=item $success = $client->query ($flags, "text", \&cb)
1919		2881
1920	Queues a query to the client, calling the given callback with	2882	Queues a query to the client, calling the given callback with
1921	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2883	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1922	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2884	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1923		2885
1924	Queries can fail, so check the return code. Or don't, as queries will become	2886	Queries can fail, so check the return code. Or don't, as queries will
1925	reliable at some point in the future.	2887	become reliable at some point in the future.
1926		2888
1927	=cut	2889	=cut
1928		2890
1929	sub cf::client::query {	2891	sub cf::client::query {
1930	my ($self, $flags, $text, $cb) = @_;	2892	my ($self, $flags, $text, $cb) = @_;
…		…
1938	utf8::encode $text;	2900	utf8::encode $text;
1939	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2901	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1940		2902
1941	$self->send_packet ($self->{query_queue}[0][0])	2903	$self->send_packet ($self->{query_queue}[0][0])
1942	if @{ $self->{query_queue} } == 1;	2904	if @{ $self->{query_queue} } == 1;
		2905
		2906	1
1943	}	2907	}
1944		2908
1945	cf::client->attach (	2909	cf::client->attach (
		2910	on_connect => sub {
		2911	my ($ns) = @_;
		2912
		2913	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2914	},
1946	on_reply => sub {	2915	on_reply => sub {
1947	my ($ns, $msg) = @_;	2916	my ($ns, $msg) = @_;
1948		2917
1949	# this weird shuffling is so that direct followup queries	2918	# this weird shuffling is so that direct followup queries
1950	# get handled first	2919	# get handled first
1951	my $queue = delete $ns->{query_queue}	2920	my $queue = delete $ns->{query_queue}
1952	or return; # be conservative, not sure how that can happen, but we saw a crash here	2921	or return; # be conservative, not sure how that can happen, but we saw a crash here
1953		2922
1954	(shift @$queue)->[1]->($msg);	2923	(shift @$queue)->[1]->($msg);
		2924	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1955		2925
1956	push @{ $ns->{query_queue} }, @$queue;	2926	push @{ $ns->{query_queue} }, @$queue;
1957		2927
1958	if (@{ $ns->{query_queue} } == @$queue) {	2928	if (@{ $ns->{query_queue} } == @$queue) {
1959	if (@$queue) {	2929	if (@$queue) {
…		…
1961	} else {	2931	} else {
1962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2932	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1963	}	2933	}
1964	}	2934	}
1965	},	2935	},
		2936	on_exticmd => sub {
		2937	my ($ns, $buf) = @_;
		2938
		2939	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2940
		2941	if (ref $msg) {
		2942	my ($type, $reply, @payload) =
		2943	"ARRAY" eq ref $msg
		2944	? @$msg
		2945	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2946
		2947	my @reply;
		2948
		2949	if (my $cb = $EXTICMD{$type}) {
		2950	@reply = $cb->($ns, @payload);
		2951	}
		2952
		2953	$ns->ext_reply ($reply, @reply)
		2954	if $reply;
		2955
		2956	} else {
		2957	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2958	}
		2959
		2960	cf::override;
		2961	},
1966	);	2962	);
1967		2963
1968	=item $client->async (\&cb)	2964	=item $client->async (\&cb)
1969		2965
1970	Create a new coroutine, running the specified callback. The coroutine will	2966	Create a new coroutine, running the specified callback. The coroutine will
…		…
2011	our $safe = new Safe "safe";	3007	our $safe = new Safe "safe";
2012	our $safe_hole = new Safe::Hole;	3008	our $safe_hole = new Safe::Hole;
2013		3009
2014	$SIG{FPE} = 'IGNORE';	3010	$SIG{FPE} = 'IGNORE';
2015		3011
2016	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3012	$safe->permit_only (Opcode::opset qw(
		3013	:base_core :base_mem :base_orig :base_math
		3014	grepstart grepwhile mapstart mapwhile
		3015	sort time
		3016	));
2017		3017
2018	# here we export the classes and methods available to script code	3018	# here we export the classes and methods available to script code
2019		3019
2020	=pod	3020	=pod
2021		3021
2022	The following fucntions and emthods are available within a safe environment:	3022	The following functions and methods are available within a safe environment:
2023		3023
2024	cf::object contr pay_amount pay_player map	3024	cf::object
		3025	contr pay_amount pay_player map x y force_find force_add destroy
		3026	insert remove name archname title slaying race decrease_ob_nr
		3027
2025	cf::object::player player	3028	cf::object::player
2026	cf::player peaceful	3029	player
2027	cf::map trigger	3030
		3031	cf::player
		3032	peaceful
		3033
		3034	cf::map
		3035	trigger
2028		3036
2029	=cut	3037	=cut
2030		3038
2031	for (	3039	for (
2032	["cf::object" => qw(contr pay_amount pay_player map)],	3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3041	insert remove inv name archname title slaying race
		3042	decrease_ob_nr destroy)],
2033	["cf::object::player" => qw(player)],	3043	["cf::object::player" => qw(player)],
2034	["cf::player" => qw(peaceful)],	3044	["cf::player" => qw(peaceful)],
2035	["cf::map" => qw(trigger)],	3045	["cf::map" => qw(trigger)],
2036	) {	3046	) {
2037	no strict 'refs';	3047	no strict 'refs';
…		…
2108	=back	3118	=back
2109		3119
2110	=cut	3120	=cut
2111		3121
2112	#############################################################################	3122	#############################################################################
		3123	# the server's init and main functions
2113		3124
2114	=head2 EXTENSION DATABASE SUPPORT	3125	sub load_facedata($) {
		3126	my ($path) = @_;
2115		3127
2116	Crossfire maintains a very simple database for extension use. It can	3128	# HACK to clear player env face cache, we need some signal framework
2117	currently store anything that can be serialised using Storable, which	3129	# for this (global event?)
2118	excludes objects.	3130	%ext::player_env::MUSIC_FACE_CACHE = ();
2119		3131
2120	The parameter C<$family> should best start with the name of the extension	3132	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2121	using it, it should be unique.
2122		3133
2123	=over 4	3134	warn "loading facedata from $path\n";
2124		3135
2125	=item $hashref = cf::db_get $family	3136	my $facedata;
		3137	0 < aio_load $path, $facedata
		3138	or die "$path: $!";
2126		3139
2127	Return a hashref for use by the extension C<$family>, which can be	3140	$facedata = Coro::Storable::thaw $facedata;
2128	modified. After modifications, you have to call C<cf::db_dirty> or
2129	C<cf::db_sync>.
2130		3141
2131	=item $value = cf::db_get $family => $key	3142	$facedata->{version} == 2
		3143	or cf::cleanup "$path: version mismatch, cannot proceed.";
2132		3144
2133	Returns a single value from the database	3145	# patch in the exptable
2134		3146	$facedata->{resource}{"res/exp_table"} = {
2135	=item cf::db_put $family => $hashref	3147	type => FT_RSRC,
2136		3148	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2137	Stores the given family hashref into the database. Updates are delayed, if
2138	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2139
2140	=item cf::db_put $family => $key => $value
2141
2142	Stores the given C<$value> in the family hash. Updates are delayed, if you
2143	want the data to be synced to disk immediately, use C<cf::db_sync>.
2144
2145	=item cf::db_dirty
2146
2147	Marks the database as dirty, to be updated at a later time.
2148
2149	=item cf::db_sync
2150
2151	Immediately write the database to disk I<if it is dirty>.
2152
2153	=cut
2154
2155	our $DB;
2156
2157	{
2158	my $path = cf::localdir . "/database.pst";
2159
2160	sub db_load() {
2161	$DB = stat $path ? Storable::retrieve $path : { };
2162	}
2163
2164	my $pid;
2165
2166	sub db_save() {
2167	waitpid $pid, 0 if $pid;
2168	if (0 == ($pid = fork)) {
2169	$DB->{_meta}{version} = 1;
2170	Storable::nstore $DB, "$path~";
2171	rename "$path~", $path;
2172	cf::_exit 0 if defined $pid;
2173	}
2174	}
2175
2176	my $dirty;
2177
2178	sub db_sync() {
2179	db_save if $dirty;
2180	undef $dirty;
2181	}
2182
2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2184	db_sync;
2185	});	3149	};
		3150	cf::cede_to_tick;
2186		3151
2187	sub db_dirty() {
2188	$dirty = 1;
2189	$idle->start;
2190	}	3152	{
		3153	my $faces = $facedata->{faceinfo};
2191		3154
2192	sub db_get($;$) {	3155	while (my ($face, $info) = each %$faces) {
2193	@_ >= 2	3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2194	? $DB->{$_[0]}{$_[1]}
2195	: ($DB->{$_[0]} ||= { })
2196	}
2197		3157
2198	sub db_put($$;$) {	3158	cf::face::set_visibility $idx, $info->{visibility};
2199	if (@_ >= 3) {	3159	cf::face::set_magicmap $idx, $info->{magicmap};
2200	$DB->{$_[0]}{$_[1]} = $_[2];	3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2201	} else {	3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2202	$DB->{$_[0]} = $_[1];
2203	}
2204	db_dirty;
2205	}
2206		3162
2207	cf::global->attach (	3163	cf::cede_to_tick;
2208	prio => 10000,
2209	on_cleanup => sub {
2210	db_sync;
2211	},	3164	}
2212	);
2213	}
2214		3165
2215	#############################################################################	3166	while (my ($face, $info) = each %$faces) {
2216	# the server's main()	3167	next unless $info->{smooth};
2217		3168
2218	sub cfg_load {	3169	my $idx = cf::face::find $face
		3170	or next;
		3171
		3172	if (my $smooth = cf::face::find $info->{smooth}) {
		3173	cf::face::set_smooth $idx, $smooth;
		3174	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3175	} else {
		3176	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3177	}
		3178
		3179	cf::cede_to_tick;
		3180	}
		3181	}
		3182
		3183	{
		3184	my $anims = $facedata->{animinfo};
		3185
		3186	while (my ($anim, $info) = each %$anims) {
		3187	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3188	cf::cede_to_tick;
		3189	}
		3190
		3191	cf::anim::invalidate_all; # d'oh
		3192	}
		3193
		3194	{
		3195	# TODO: for gcfclient pleasure, we should give resources
		3196	# that gcfclient doesn't grok a >10000 face index.
		3197	my $res = $facedata->{resource};
		3198
		3199	while (my ($name, $info) = each %$res) {
		3200	if (defined $info->{type}) {
		3201	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3202	my $data;
		3203
		3204	if ($info->{type} & 1) {
		3205	# prepend meta info
		3206
		3207	my $meta = $enc->encode ({
		3208	name => $name,
		3209	%{ $info->{meta} || {} },
		3210	});
		3211
		3212	$data = pack "(w/a*)*", $meta, $info->{data};
		3213	} else {
		3214	$data = $info->{data};
		3215	}
		3216
		3217	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3218	cf::face::set_type $idx, $info->{type};
		3219	} else {
		3220	$RESOURCE{$name} = $info;
		3221	}
		3222
		3223	cf::cede_to_tick;
		3224	}
		3225	}
		3226
		3227	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3228
		3229	1
		3230	}
		3231
		3232	cf::global->attach (on_resource_update => sub {
		3233	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3234	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3235
		3236	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3237	my $sound = $soundconf->{compat}[$_]
		3238	or next;
		3239
		3240	my $face = cf::face::find "sound/$sound->[1]";
		3241	cf::sound::set $sound->[0] => $face;
		3242	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3243	}
		3244
		3245	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3246	my $face = cf::face::find "sound/$v";
		3247	cf::sound::set $k => $face;
		3248	}
		3249	}
		3250	});
		3251
		3252	register_exticmd fx_want => sub {
		3253	my ($ns, $want) = @_;
		3254
		3255	while (my ($k, $v) = each %$want) {
		3256	$ns->fx_want ($k, $v);
		3257	}
		3258	};
		3259
		3260	sub reload_regions {
		3261	# HACK to clear player env face cache, we need some signal framework
		3262	# for this (global event?)
		3263	%ext::player_env::MUSIC_FACE_CACHE = ();
		3264
		3265	load_resource_file "$MAPDIR/regions"
		3266	or die "unable to load regions file\n";
		3267
		3268	for (cf::region::list) {
		3269	$_->{match} = qr/$_->{match}/
		3270	if exists $_->{match};
		3271	}
		3272	}
		3273
		3274	sub reload_facedata {
		3275	load_facedata "$DATADIR/facedata"
		3276	or die "unable to load facedata\n";
		3277	}
		3278
		3279	sub reload_archetypes {
		3280	load_resource_file "$DATADIR/archetypes"
		3281	or die "unable to load archetypes\n";
		3282	#d# NEED to laod twice to resolve forward references
		3283	# this really needs to be done in an extra post-pass
		3284	# (which needs to be synchronous, so solve it differently)
		3285	load_resource_file "$DATADIR/archetypes"
		3286	or die "unable to load archetypes\n";
		3287	}
		3288
		3289	sub reload_treasures {
		3290	load_resource_file "$DATADIR/treasures"
		3291	or die "unable to load treasurelists\n";
		3292	}
		3293
		3294	sub reload_resources {
		3295	warn "reloading resource files...\n";
		3296
		3297	reload_regions;
		3298	reload_facedata;
		3299	#reload_archetypes;#d#
		3300	reload_archetypes;
		3301	reload_treasures;
		3302
		3303	warn "finished reloading resource files\n";
		3304	}
		3305
		3306	sub init {
		3307	reload_resources;
		3308	}
		3309
		3310	sub reload_config {
2219	open my $fh, "<:utf8", cf::confdir . "/config"	3311	open my $fh, "<:utf8", "$CONFDIR/config"
2220	or return;	3312	or return;
2221		3313
2222	local $/;	3314	local $/;
2223	*CFG = YAML::Syck::Load <$fh>;	3315	*CFG = YAML::Load <$fh>;
2224		3316
2225	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2226		3318
2227	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3319	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2228	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3320	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2239	sub main {	3331	sub main {
2240	# we must not ever block the main coroutine	3332	# we must not ever block the main coroutine
2241	local $Coro::idle = sub {	3333	local $Coro::idle = sub {
2242	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2243	(async {	3335	(async {
2244	Event::one_event;	3336	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3337	EV::loop EV::LOOP_ONESHOT;
2245	})->prio (Coro::PRIO_MAX);	3338	})->prio (Coro::PRIO_MAX);
2246	};	3339	};
2247		3340
2248	cfg_load;	3341	reload_config;
2249	db_load;	3342	db_init;
2250	load_extensions;	3343	load_extensions;
2251		3344
2252	$TICK_WATCHER->start;	3345	$TICK_WATCHER->start;
		3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2253	Event::loop;	3347	EV::loop;
2254	}	3348	}
2255		3349
2256	#############################################################################	3350	#############################################################################
2257	# initialisation and cleanup	3351	# initialisation and cleanup
2258		3352
2259	# install some emergency cleanup handlers	3353	# install some emergency cleanup handlers
2260	BEGIN {	3354	BEGIN {
		3355	our %SIGWATCHER = ();
2261	for my $signal (qw(INT HUP TERM)) {	3356	for my $signal (qw(INT HUP TERM)) {
2262	Event->signal (	3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2263	data => WF_AUTOCANCEL,
2264	signal => $signal,
2265	cb => sub {
2266	cf::cleanup "SIG$signal";	3358	cf::cleanup "SIG$signal";
2267	},
2268	);	3359	};
		3360	}
		3361	}
		3362
		3363	sub write_runtime {
		3364	my $runtime = "$LOCALDIR/runtime";
		3365
		3366	# first touch the runtime file to show we are still running:
		3367	# the fsync below can take a very very long time.
		3368
		3369	IO::AIO::aio_utime $runtime, undef, undef;
		3370
		3371	my $guard = cf::lock_acquire "write_runtime";
		3372
		3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3374	or return;
		3375
		3376	my $value = $cf::RUNTIME + 90 + 10;
		3377	# 10 is the runtime save interval, for a monotonic clock
		3378	# 60 allows for the watchdog to kill the server.
		3379
		3380	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3381	and return;
		3382
		3383	# always fsync - this file is important
		3384	aio_fsync $fh
		3385	and return;
		3386
		3387	# touch it again to show we are up-to-date
		3388	aio_utime $fh, undef, undef;
		3389
		3390	close $fh
		3391	or return;
		3392
		3393	aio_rename "$runtime~", $runtime
		3394	and return;
		3395
		3396	warn "runtime file written.\n";
		3397
2269	}	3398	1
2270	}	3399	}
2271		3400
2272	sub emergency_save() {	3401	sub emergency_save() {
2273	my $freeze_guard = cf::freeze_mainloop;	3402	my $freeze_guard = cf::freeze_mainloop;
2274		3403
…		…
2280	# and maps saved/destroyed asynchronously.	3409	# and maps saved/destroyed asynchronously.
2281	warn "begin emergency player save\n";	3410	warn "begin emergency player save\n";
2282	for my $login (keys %cf::PLAYER) {	3411	for my $login (keys %cf::PLAYER) {
2283	my $pl = $cf::PLAYER{$login} or next;	3412	my $pl = $cf::PLAYER{$login} or next;
2284	$pl->valid or next;	3413	$pl->valid or next;
		3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2285	$pl->save;	3415	$pl->save;
2286	}	3416	}
2287	warn "end emergency player save\n";	3417	warn "end emergency player save\n";
2288		3418
2289	warn "begin emergency map save\n";	3419	warn "begin emergency map save\n";
…		…
2291	my $map = $cf::MAP{$path} or next;	3421	my $map = $cf::MAP{$path} or next;
2292	$map->valid or next;	3422	$map->valid or next;
2293	$map->save;	3423	$map->save;
2294	}	3424	}
2295	warn "end emergency map save\n";	3425	warn "end emergency map save\n";
		3426
		3427	warn "begin emergency database checkpoint\n";
		3428	BDB::db_env_txn_checkpoint $DB_ENV;
		3429	warn "end emergency database checkpoint\n";
2296	};	3430	};
2297		3431
2298	warn "leave emergency perl save\n";	3432	warn "leave emergency perl save\n";
2299	}	3433	}
2300		3434
		3435	sub post_cleanup {
		3436	my ($make_core) = @_;
		3437
		3438	warn Carp::longmess "post_cleanup backtrace"
		3439	if $make_core;
		3440	}
		3441
2301	sub reload() {	3442	sub do_reload_perl() {
2302	# can/must only be called in main	3443	# can/must only be called in main
2303	if ($Coro::current != $Coro::main) {	3444	if ($Coro::current != $Coro::main) {
2304	warn "can only reload from main coroutine";	3445	warn "can only reload from main coroutine";
2305	return;	3446	return;
2306	}	3447	}
2307		3448
2308	warn "reloading...";	3449	warn "reloading...";
2309		3450
2310	warn "cancelling server ticker";	3451	warn "entering sync_job";
2311	$TICK_WATCHER->cancel;
2312		3452
		3453	cf::sync_job {
		3454	cf::write_runtime; # external watchdog should not bark
2313	cf::emergency_save;	3455	cf::emergency_save;
		3456	cf::write_runtime; # external watchdog should not bark
2314		3457
2315	eval {	3458	warn "syncing database to disk";
		3459	BDB::db_env_txn_checkpoint $DB_ENV;
		3460
2316	# if anything goes wrong in here, we should simply crash as we already saved	3461	# if anything goes wrong in here, we should simply crash as we already saved
2317
2318	warn "syncing database to disk";
2319	cf::db_sync;
2320
2321	warn "cancelling all WF_AUTOCANCEL watchers";
2322	for (Event::all_watchers) {
2323	$_->cancel if $_->data & WF_AUTOCANCEL;
2324	}
2325		3462
2326	warn "flushing outstanding aio requests";	3463	warn "flushing outstanding aio requests";
2327	for (;;) {	3464	for (;;) {
		3465	BDB::flush;
2328	IO::AIO::flush;	3466	IO::AIO::flush;
2329	Coro::cede;	3467	Coro::cede_notself;
2330	last unless IO::AIO::nreqs;	3468	last unless IO::AIO::nreqs || BDB::nreqs;
2331	warn "iterate...";	3469	warn "iterate...";
2332	}	3470	}
		3471
		3472	++$RELOAD;
2333		3473
2334	warn "cancelling all extension coros";	3474	warn "cancelling all extension coros";
2335	$_->cancel for values %EXT_CORO;	3475	$_->cancel for values %EXT_CORO;
2336	%EXT_CORO = ();	3476	%EXT_CORO = ();
2337		3477
2338	warn "removing commands";	3478	warn "removing commands";
2339	%COMMAND = ();	3479	%COMMAND = ();
2340		3480
2341	warn "removing ext commands";	3481	warn "removing ext/exti commands";
2342	%EXTCMD = ();	3482	%EXTCMD = ();
		3483	%EXTICMD = ();
2343		3484
2344	warn "unloading/nuking all extensions";	3485	warn "unloading/nuking all extensions";
2345	for my $pkg (@EXTS) {	3486	for my $pkg (@EXTS) {
2346	warn "... unloading $pkg";	3487	warn "... unloading $pkg";
2347		3488
…		…
2377	Symbol::delete_package "safe::$_"	3518	Symbol::delete_package "safe::$_"
2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3519	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2379		3520
2380	warn "unloading cf.pm \"a bit\"";	3521	warn "unloading cf.pm \"a bit\"";
2381	delete $INC{"cf.pm"};	3522	delete $INC{"cf.pm"};
		3523	delete $INC{"cf/pod.pm"};
2382		3524
2383	# don't, removes xs symbols, too,	3525	# don't, removes xs symbols, too,
2384	# and global variables created in xs	3526	# and global variables created in xs
2385	#Symbol::delete_package __PACKAGE__;	3527	#Symbol::delete_package __PACKAGE__;
2386		3528
…		…
2389	warn "reloading cf.pm";	3531	warn "reloading cf.pm";
2390	require cf;	3532	require cf;
2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2392		3534
2393	warn "loading config and database again";	3535	warn "loading config and database again";
2394	cf::cfg_load;	3536	cf::reload_config;
2395	cf::db_load;
2396		3537
2397	warn "loading extensions";	3538	warn "loading extensions";
2398	cf::load_extensions;	3539	cf::load_extensions;
2399		3540
2400	warn "reattaching attachments to objects/players";	3541	warn "reattaching attachments to objects/players";
2401	_global_reattach;	3542	_global_reattach; # objects, sockets
2402	warn "reattaching attachments to maps";	3543	warn "reattaching attachments to maps";
2403	reattach $_ for values %MAP;	3544	reattach $_ for values %MAP;
		3545	warn "reattaching attachments to players";
		3546	reattach $_ for values %PLAYER;
2404		3547
2405	warn "restarting server ticker";	3548	warn "leaving sync_job";
2406		3549
2407	$TICK_WATCHER->start;	3550	1
2408	};	3551	} or do {
2409
2410	if ($@) {
2411	warn $@;	3552	warn $@;
2412	warn "error while reloading, exiting.";	3553	warn "error while reloading, exiting.";
2413	exit 1;	3554	exit 1;
2414	}	3555	};
2415		3556
2416	warn "reloaded";	3557	warn "reloaded";
2417	};	3558	};
2418		3559
2419	our $RELOAD_WATCHER; # used only during reload	3560	our $RELOAD_WATCHER; # used only during reload
2420		3561
		3562	sub reload_perl() {
		3563	# doing reload synchronously and two reloads happen back-to-back,
		3564	# coro crashes during coro_state_free->destroy here.
		3565
		3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3567	undef $RELOAD_WATCHER;
		3568	do_reload_perl;
		3569	};
		3570	}
		3571
2421	register_command "reload" => sub {	3572	register_command "reload" => sub {
2422	my ($who, $arg) = @_;	3573	my ($who, $arg) = @_;
2423		3574
2424	if ($who->flag (FLAG_WIZ)) {	3575	if ($who->flag (FLAG_WIZ)) {
2425	$who->message ("reloading server.");	3576	$who->message ("reloading server.");
2426		3577	async {
2427	# doing reload synchronously and two reloads happen back-to-back,	3578	$Coro::current->{desc} = "perl_reload";
2428	# coro crashes during coro_state_free->destroy here.
2429
2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2431	reload;	3579	reload_perl;
2432	undef $RELOAD_WATCHER;
2433	});	3580	};
2434	}	3581	}
2435	};	3582	};
2436		3583
2437	unshift @INC, $LIBDIR;	3584	unshift @INC, $LIBDIR;
2438		3585
2439	my $bug_warning = 0;	3586	my $bug_warning = 0;
2440		3587
2441	$TICK_WATCHER = Event->timer (	3588	our @WAIT_FOR_TICK;
2442	reentrant => 0,	3589	our @WAIT_FOR_TICK_BEGIN;
2443	parked => 1,	3590
2444	prio => 0,	3591	sub wait_for_tick {
2445	at => $NEXT_TICK || $TICK,	3592	return unless $TICK_WATCHER->is_active;
2446	data => WF_AUTOCANCEL,	3593	return if $Coro::current == $Coro::main;
2447	cb => sub {	3594
		3595	my $signal = new Coro::Signal;
		3596	push @WAIT_FOR_TICK, $signal;
		3597	$signal->wait;
		3598	}
		3599
		3600	sub wait_for_tick_begin {
		3601	return unless $TICK_WATCHER->is_active;
		3602	return if $Coro::current == $Coro::main;
		3603
		3604	my $signal = new Coro::Signal;
		3605	push @WAIT_FOR_TICK_BEGIN, $signal;
		3606	$signal->wait;
		3607	}
		3608
		3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2448	if ($Coro::current != $Coro::main) {	3610	if ($Coro::current != $Coro::main) {
2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2450	unless ++$bug_warning > 10;	3612	unless ++$bug_warning > 10;
2451	return;	3613	return;
2452	}	3614	}
2453		3615
2454	$NOW = Event::time;	3616	$NOW = $tick_start = EV::now;
2455		3617
2456	cf::server_tick; # one server iteration	3618	cf::server_tick; # one server iteration
		3619
2457	$RUNTIME += $TICK;	3620	$RUNTIME += $TICK;
2458	$NEXT_TICK += $TICK;	3621	$NEXT_TICK = $_[0]->at;
2459		3622
2460	$WAIT_FOR_TICK->broadcast;	3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2462		3625	Coro::async_pool {
2463	# if we are delayed by four ticks or more, skip them all	3626	$Coro::current->{desc} = "runtime saver";
2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2465
2466	$TICK_WATCHER->at ($NEXT_TICK);
2467	$TICK_WATCHER->start;
2468	},
2469	);
2470
2471	IO::AIO::max_poll_time $TICK * 0.2;
2472
2473	$AIO_POLL_WATCHER = Event->io (
2474	fd => IO::AIO::poll_fileno,
2475	poll => 'r',
2476	prio => 5,
2477	data => WF_AUTOCANCEL,
2478	cb => \&IO::AIO::poll_cb,
2479	);
2480
2481	$WRITE_RUNTIME_WATCHER = Event->timer (
2482	data => WF_AUTOCANCEL,
2483	after => 1,
2484	interval => 10,
2485	prio => 6, # keep it lowest so it acts like a watchdog
2486	cb => Coro::unblock_sub {
2487	write_runtime	3627	write_runtime
2488	or warn "ERROR: unable to write runtime file: $!";	3628	or warn "ERROR: unable to write runtime file: $!";
		3629	};
2489	},	3630	}
2490	);	3631
		3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3633	$sig->send;
		3634	}
		3635	while (my $sig = shift @WAIT_FOR_TICK) {
		3636	$sig->send;
		3637	}
		3638
		3639	$LOAD = ($NOW - $tick_start) / $TICK;
		3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3641
		3642	_post_tick;
		3643	};
		3644	$TICK_WATCHER->priority (EV::MAXPRI);
		3645
		3646	{
		3647	# configure BDB
		3648
		3649	BDB::min_parallel 8;
		3650	BDB::max_poll_reqs $TICK * 0.1;
		3651	$Coro::BDB::WATCHER->priority (1);
		3652
		3653	unless ($DB_ENV) {
		3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3659
		3660	cf::sync_job {
		3661	eval {
		3662	BDB::db_env_open
		3663	$DB_ENV,
		3664	$BDBDIR,
		3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3667	0666;
		3668
		3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3670	};
		3671
		3672	cf::cleanup "db_env_open(db): $@" if $@;
		3673	};
		3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
		3685	}
		3686
		3687	{
		3688	# configure IO::AIO
		3689
		3690	IO::AIO::min_parallel 8;
		3691	IO::AIO::max_poll_time $TICK * 0.1;
		3692	$Coro::AIO::WATCHER->priority (1);
		3693	}
		3694
		3695	my $_log_backtrace;
		3696
		3697	sub _log_backtrace {
		3698	my ($msg, @addr) = @_;
		3699
		3700	$msg =~ s/\n//;
		3701
		3702	# limit the # of concurrent backtraces
		3703	if ($_log_backtrace < 2) {
		3704	++$_log_backtrace;
		3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
		3708	my @bt = fork_call {
		3709	@addr = map { sprintf "%x", $_ } @addr;
		3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3712	or die "addr2line: $!";
		3713
		3714	my @funcs;
		3715	my @res = <$fh>;
		3716	chomp for @res;
		3717	while (@res) {
		3718	my ($func, $line) = splice @res, 0, 2, ();
		3719	push @funcs, "[$func] $line";
		3720	}
		3721
		3722	@funcs
		3723	};
		3724
		3725	LOG llevInfo, "[ABT] $msg\n";
		3726	LOG llevInfo, "[ABT] $_\n" for @bt;
		3727	--$_log_backtrace;
		3728	};
		3729	} else {
		3730	LOG llevInfo, "[ABT] $msg\n";
		3731	LOG llevInfo, "[ABT] [suppressed]\n";
		3732	}
		3733	}
		3734
		3735	# load additional modules
		3736	use cf::pod;
2491		3737
2492	END { cf::emergency_save }	3738	END { cf::emergency_save }
2493		3739
2494	1	3740	1
2495		3741

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