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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.411 by root, Fri Feb 1 15:54:07 2008 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use EV 1.86;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	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 ();
20	use BDB ();	28	use BDB ();
21	use Data::Dumper;	29	use Data::Dumper;
22	use Digest::MD5;	30	use Digest::MD5;
23	use Fcntl;	31	use Fcntl;
		32	use YAML ();
24	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
25	use YAML::Syck ();
26	use Time::HiRes;	34	use Time::HiRes;
27	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
28		37
		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		43
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		45
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		47
40	our %COMMAND = ();	48	our %COMMAND = ();
41	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
42		50
43	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
47		56
48	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
49	our @EVENT;	58	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		59
52	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(!)
53	our $TICK_WATCHER;	74	our $TICK_WATCHER;
54	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	77	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		79
60	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	84	our $DB_ENV;
62		85
63	our %CFG;	86	our %CFG;
64		87
65	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
67		91
68	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		95
77	# 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 ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		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 $tick_start; # for load detecting purposes
		102
80	binmode STDOUT;	103	binmode STDOUT;
81	binmode STDERR;	104	binmode STDERR;
82		105
83	# read virtual server time, if available	106	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
88	}	111	}
89		112
90	mkdir cf::localdir;	113	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		115
97	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
98		117
99	sub cf::map::normalise;	118	sub cf::map::normalise;
100		119
…		…
111	=item $cf::RUNTIME	130	=item $cf::RUNTIME
112		131
113	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
114	every server tick.	133	every server tick.
115		134
116	=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
117		138
118	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
119	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.
120		143
121	=item $cf::NOW	144	=item $cf::NOW
122		145
123	The time of the last (current) server tick.	146	The time of the last (current) server tick.
124		147
125	=item $cf::TICK	148	=item $cf::TICK
126		149
127	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
128		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
129	=item %cf::CFG	162	=item %cf::CFG
130		163
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	165	from wherever your confdir points to.
133		166
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		168
136	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
137	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
138	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.
139	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.
140		178
141	=back	179	=back
142		180
143	=cut	181	=cut
144		182
145	BEGIN {	183	BEGIN {
146	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	185	my $msg = join "", @_;
148	utf8::encode $msg;
149		186
150	$msg .= "\n"	187	$msg .= "\n"
151	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
152		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
153	LOG llevError, $msg;	192	LOG llevError, $msg;
154	};	193	};
155	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	return unless $^S eq 0; # "eq", not "=="
		198
		199	if ($Coro::current == $Coro::main) {#d#
		200	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		201	return;#d#
		202	}#d#
		203
		204	# kill coroutine otherwise
		205	warn Carp::longmess $_[0];
		206	Coro::terminate
		207	};
		208
		209	$SIG{__DIE__} = sub { }; #d#?
156		210
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	215	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		216	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	217	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		218
164	# we bless all objects into (empty) derived classes to force a method lookup	219	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	220	# within the Safe compartment.
166	for my $pkg (qw(	221	for my $pkg (qw(
167	cf::global cf::attachable	222	cf::global cf::attachable
…		…
172	)) {	227	)) {
173	no strict 'refs';	228	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	230	}
176		231
177	$Event::DIED = sub {	232	$EV::DIED = sub {
178	warn "error in event callback: @_";	233	warn "error in event callback: @_";
179	};	234	};
		235
		236	#############################################################################
180		237
181	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
182		239
183	=over 4	240	=over 4
184		241
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	260	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	261	$d
205	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
206	}	263	}
207		264
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
211		266
212	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
213		268
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
222		270
223	Converts a perl data structure into its JSON representation.	271	Converts a perl data structure into its JSON representation.
224		272
225	=cut	273	=cut
226		274
227	sub to_json($) {	275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	276
229	JSON::Syck::Dump $_[0]	277	sub encode_json($) { $json_coder->encode ($_[0]) }
230	}	278	sub decode_json($) { $json_coder->decode ($_[0]) }
231		279
232	=item cf::lock_wait $string	280	=item cf::lock_wait $string
233		281
234	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
235		283
…		…
238	Wait until the given lock is available and then acquires it and returns	286	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	287	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	288	for example when the coroutine gets canceled), the lock is automatically
241	returned.	289	returned.
242		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
243	Lock names should begin with a unique identifier (for example, cf::map::find	294	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
245		296
		297	=item $locked = cf::lock_active $string
		298
		299	Return true if the lock is currently active, i.e. somebody has locked it.
		300
246	=cut	301	=cut
247		302
248	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
249		305
250	sub lock_wait($) {	306	sub lock_wait($) {
251	my ($key) = @_;	307	my ($key) = @_;
		308
		309	if ($LOCKER{$key} == $Coro::current) {#d#
		310	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		311	return;#d#
		312	}#d#
252		313
253	# wait for lock, if any	314	# wait for lock, if any
254	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	317	Coro::schedule;
…		…
262		323
263	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
264	lock_wait $key;	325	lock_wait $key;
265		326
266	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
267		329
268	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
271	}	334	}
		335	}
		336
		337	sub lock_active($) {
		338	my ($key) = @_;
		339
		340	! ! $LOCK{$key}
272	}	341	}
273		342
274	sub freeze_mainloop {	343	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	344	return unless $TICK_WATCHER->is_active;
276		345
…		…
279	};	348	};
280	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
281	$guard	350	$guard
282	}	351	}
283		352
		353	=item cf::periodic $interval, $cb
		354
		355	Like EV::periodic, but randomly selects a starting point so that the actions
		356	get spread over timer.
		357
		358	=cut
		359
		360	sub periodic($$) {
		361	my ($interval, $cb) = @_;
		362
		363	my $start = rand List::Util::min 180, $interval;
		364
		365	EV::periodic $start, $interval, 0, $cb
		366	}
		367
		368	=item cf::get_slot $time[, $priority[, $name]]
		369
		370	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		371	This call blocks and returns only when you have at least C<$time> seconds
		372	of cpu time till the next tick. The slot is only valid till the next cede.
		373
		374	The optional C<$name> can be used to identify the job to run. It might be
		375	used for statistical purposes and should identify the same time-class.
		376
		377	Useful for short background jobs.
		378
		379	=cut
		380
		381	our @SLOT_QUEUE;
		382	our $SLOT_QUEUE;
		383
		384	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		385	$SLOT_QUEUE = Coro::async {
		386	$Coro::current->desc ("timeslot manager");
		387
		388	my $signal = new Coro::Signal;
		389
		390	while () {
		391	next_job:
		392	my $avail = cf::till_tick;
		393	if ($avail > 0.01) {
		394	for (0 .. $#SLOT_QUEUE) {
		395	if ($SLOT_QUEUE[$_][0] < $avail) {
		396	my $job = splice @SLOT_QUEUE, $_, 1, ();
		397	$job->[2]->send;
		398	Coro::cede;
		399	goto next_job;
		400	}
		401	}
		402	}
		403
		404	if (@SLOT_QUEUE) {
		405	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		406	push @cf::WAIT_FOR_TICK, $signal;
		407	$signal->wait;
		408	} else {
		409	Coro::schedule;
		410	}
		411	}
		412	};
		413
		414	sub get_slot($;$$) {
		415	my ($time, $pri, $name) = @_;
		416
		417	$time = $TICK * .6 if $time > $TICK * .6;
		418	my $sig = new Coro::Signal;
		419
		420	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		421	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		422	$SLOT_QUEUE->ready;
		423	$sig->wait;
		424	}
		425
284	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
285		427
286	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
287	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	429	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
288	thing you are allowed to do is call C<prio> on it.	430	thing you are allowed to do is call C<prio> on it.
…		…
291		433
292	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
293		435
294	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
295		437
296	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
299		442
300	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
303	fast or be very important.	446	fast or be very important.
…		…
306		449
307	sub sync_job(&) {	450	sub sync_job(&) {
308	my ($job) = @_;	451	my ($job) = @_;
309		452
310	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
		454	my $time = EV::time;
		455
311	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
313		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
314	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	462	# (but this is cancel-safe)
316	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
317		464
318	my $busy = 1;	465	my $busy = 1;
319	my @res;	466	my @res;
320		467
321	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	470	@res = eval { $job->() };
323	warn $@ if $@;	471	warn $@ if $@;
324	undef $busy;	472	undef $busy;
325	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
326		474
327	while ($busy) {	475	while ($busy) {
328	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
329	}	480	}
		481	}
		482
		483	$time = EV::time - $time;
		484
		485	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		486	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		487
		488	$tick_start += $time; # do not account sync jobs to server load
330		489
331	wantarray ? @res : $res[0]	490	wantarray ? @res : $res[0]
332	} else {	491	} else {
333	# we are in another coroutine, how wonderful, everything just works	492	# we are in another coroutine, how wonderful, everything just works
334		493
…		…
354	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
355		514
356	$coro	515	$coro
357	}	516	}
358		517
359	sub write_runtime {	518	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		519
362	my $runtime = cf::localdir . "/runtime";	520	Executes the given code block with the given arguments in a seperate
		521	process, returning the results. Everything must be serialisable with
		522	Coro::Storable. May, of course, block. Note that the executed sub may
		523	never block itself or use any form of event handling.
363		524
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	525	=cut
365	or return;
366		526
367	my $value = $cf::RUNTIME + 90 + 10;	527	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	528	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		529
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	530	# we seemingly have to make a local copy of the whole thing,
372	and return;	531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
373		533
374	# always fsync - this file is important	534	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	535	reset_signals;
376	and return;	536	&$cb
		537	}, @args;
377		538
378	close $fh	539	wantarray ? @res : $res[-1]
379	or return;	540	}
380		541
381	aio_rename "$runtime~", $runtime	542	=item $value = cf::db_get $family => $key
382	and return;
383		543
		544	Returns a single value from the environment database.
		545
		546	=item cf::db_put $family => $key => $value
		547
		548	Stores the given C<$value> in the family. It can currently store binary
		549	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		550
		551	=item $db = cf::db_table "name"
		552
		553	Create and/or open a new database table. The string must not be "db" and must be unique
		554	within each server.
		555
		556	=cut
		557
		558	sub db_table($) {
		559	my ($name) = @_;
		560	my $db = BDB::db_create $DB_ENV;
		561
		562	eval {
		563	$db->set_flags (BDB::CHKSUM);
		564
		565	utf8::encode $name;
		566	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		567	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		568	cf::cleanup "db_open(db): $!" if $!;
		569	};
		570	cf::cleanup "db_open(db): $@" if $@;
		571
		572	$db
		573	}
		574
		575	our $DB;
		576
		577	sub db_init {
		578	cf::sync_job {
		579	$DB ||= db_table "db";
		580	};
		581	}
		582
		583	sub db_get($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
384	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		595	BDB::dbreq_pri 4;
		596	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		597	}
		598
		599	=item cf::cache $id => [$paths...], $processversion => $process
		600
		601	Generic caching function that returns the value of the resource $id,
		602	caching and regenerating as required.
		603
		604	This function can block.
		605
		606	=cut
		607
		608	sub cache {
		609	my ($id, $src, $processversion, $process) = @_;
		610
		611	my $meta =
		612	join "\x00",
		613	$processversion,
		614	map {
		615	aio_stat $_
		616	and Carp::croak "$_: $!";
		617
		618	($_, (stat _)[7,9])
		619	} @$src;
		620
		621	my $dbmeta = db_get cache => "$id/meta";
		622	if ($dbmeta ne $meta) {
		623	# changed, we may need to process
		624
		625	my @data;
		626	my $md5;
		627
		628	for (0 .. $#$src) {
		629	0 <= aio_load $src->[$_], $data[$_]
		630	or Carp::croak "$src->[$_]: $!";
		631	}
		632
		633	# if processing is expensive, check
		634	# checksum first
		635	if (1) {
		636	$md5 =
		637	join "\x00",
		638	$processversion,
		639	map {
		640	cf::cede_to_tick;
		641	($src->[$_], Digest::MD5::md5_hex $data[$_])
		642	} 0.. $#$src;
		643
		644
		645	my $dbmd5 = db_get cache => "$id/md5";
		646	if ($dbmd5 eq $md5) {
		647	db_put cache => "$id/meta", $meta;
		648
		649	return db_get cache => "$id/data";
		650	}
		651	}
		652
		653	my $t1 = Time::HiRes::time;
		654	my $data = $process->(\@data);
		655	my $t2 = Time::HiRes::time;
		656
		657	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		658
		659	db_put cache => "$id/data", $data;
		660	db_put cache => "$id/md5" , $md5;
		661	db_put cache => "$id/meta", $meta;
		662
		663	return $data;
		664	}
		665
		666	db_get cache => "$id/data"
		667	}
		668
		669	=item cf::datalog type => key => value, ...
		670
		671	Log a datalog packet of the given type with the given key-value pairs.
		672
		673	=cut
		674
		675	sub datalog($@) {
		676	my ($type, %kv) = @_;
		677	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	678	}
386		679
387	=back	680	=back
388		681
389	=cut	682	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	689	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
398		691
399	In the following description, CLASS can be any of C<global>, C<object>	692	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	693	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	694	Deliantra).
402		695
403	=over 4	696	=over 4
404		697
405	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
406		699
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	862	$registry = $CB_TYPE[$object_type] ||= [];
570		863
571	} elsif ($type eq "subtype") {	864	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	865	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	866	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	867	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		868
576	} elsif ($type eq "package") {	869	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	870	my $pkg = shift @arg;
578		871
579	while (my ($name, $id) = each %cb_id) {	872	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
609	}	902	}
610		903
611	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
612	} else {	905	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	907	}
615		908
616	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
617	}	910	}
618		911
…		…
620	if (ref $_[0]) {	913	if (ref $_[0]) {
621	_object_attach @_;	914	_object_attach @_;
622	} else {	915	} else {
623	_attach shift->_attach_registry, @_;	916	_attach shift->_attach_registry, @_;
624	}	917	}
		918	_recalc_want;
625	};	919	};
626		920
627	# all those should be optimised	921	# all those should be optimised
628	sub cf::attachable::detach {	922	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	926	delete $obj->{_attachment}{$name};
633	reattach ($obj);	927	reattach ($obj);
634	} else {	928	} else {
635	Carp::croak "cannot, currently, detach class attachments";	929	Carp::croak "cannot, currently, detach class attachments";
636	}	930	}
		931	_recalc_want;
637	};	932	};
638		933
639	sub cf::attachable::attached {	934	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
641		936
…		…
656	";	951	";
657	die if $@;	952	die if $@;
658	}	953	}
659		954
660	our $override;	955	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	956	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		957
663	sub override {	958	sub override {
664	$override = 1;	959	$override = 1;
665	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
666	}	961	}
667		962
668	sub do_invoke {	963	sub do_invoke {
669	my $event = shift;	964	my $event = shift;
670	my $callbacks = shift;	965	my $callbacks = shift;
671		966
672	@invoke_results = ();	967	@INVOKE_RESULTS = ();
673		968
674	local $override;	969	local $override;
675		970
676	for (@$callbacks) {	971	for (@$callbacks) {
677	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
686	}	981	}
687		982
688	0	983	0
689	}	984	}
690		985
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		987
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		989
695	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
696		991
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	992	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	993	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		995
701	=back	996	=back
702		997
703	=cut	998	=cut
704		999
705	#############################################################################	1000	#############################################################################
706	# object support	1001	# object support
		1002
		1003	sub _object_equal($$);
		1004	sub _object_equal($$) {
		1005	my ($a, $b) = @_;
		1006
		1007	return 0 unless (ref $a) eq (ref $b);
		1008
		1009	if ("HASH" eq ref $a) {
		1010	my @ka = keys %$a;
		1011	my @kb = keys %$b;
		1012
		1013	return 0 if @ka != @kb;
		1014
		1015	for (0 .. $#ka) {
		1016	return 0 unless $ka[$_] eq $kb[$_];
		1017	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1018	}
		1019
		1020	} elsif ("ARRAY" eq ref $a) {
		1021
		1022	return 0 if @$a != @$b;
		1023
		1024	for (0 .. $#$a) {
		1025	return 0 unless _object_equal $a->[$_], $b->[$_];
		1026	}
		1027
		1028	} elsif ($a ne $b) {
		1029	return 0;
		1030	}
		1031
		1032	1
		1033	}
		1034
		1035	our $SLOW_MERGES;#d#
		1036	sub _can_merge {
		1037	my ($ob1, $ob2) = @_;
		1038
		1039	++$SLOW_MERGES;#d#
		1040
		1041	# we do the slow way here
		1042	return _object_equal $ob1, $ob2
		1043	}
707		1044
708	sub reattach {	1045	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1047	my ($obj) = @_;
711		1048
…		…
732	cf::attachable->attach (	1069	cf::attachable->attach (
733	prio => -1000000,	1070	prio => -1000000,
734	on_instantiate => sub {	1071	on_instantiate => sub {
735	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
736		1073
737	$data = from_json $data;	1074	$data = decode_json $data;
738		1075
739	for (@$data) {	1076	for (@$data) {
740	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
741		1078
742	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1095	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
760		1097
761	sync_job {	1098	sync_job {
762	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
765		1103
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1107	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1108	close $fh;
771		1109
772	if (@$objs) {	1110	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1111	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1115	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1116	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
780	}	1118	}
…		…
788	}	1126	}
789	} else {	1127	} else {
790	aio_unlink $filename;	1128	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
792	}	1130	}
793	}	1131	};
794	}	1132	}
795		1133
796	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
798		1136
…		…
810	or return;	1148	or return;
811		1149
812	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
814	or return;	1152	or return;
		1153
815	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
816	}	1156	}
817		1157
		1158	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1160	$decname, length $data, scalar @{$av || []};
		1161
820	return ($data, $av);	1162	($data, $av)
821	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
822		1170
823	#############################################################################	1171	#############################################################################
824	# command handling &c	1172	# command handling &c
825		1173
826	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1188	}
841		1189
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1191
844	Register a callbackf ro execution when the client sends an extcmd packet.	1192	Register a callback for execution when the client sends an (synchronous)
		1193	extcmd packet. Ext commands will be processed in the order they are
		1194	received by the server, like other user commands. The first argument is
		1195	the logged-in player. Ext commands can only be processed after a player
		1196	has logged in successfully.
845		1197
846	If the callback returns something, it is sent back as if reply was being	1198	If the callback returns something, it is sent back as if reply was being
847	called.	1199	called.
848		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
849	=cut	1212	=cut
850		1213
851	sub register_extcmd {	1214	sub register_extcmd {
852	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
853		1216
854	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
855	}	1224	}
856		1225
857	cf::player->attach (	1226	cf::player->attach (
858	on_command => sub {	1227	on_command => sub {
859	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1237	cf::override;
869	},	1238	},
870	on_extcmd => sub {	1239	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
872		1241
873	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1243
875	if (ref $msg) {	1244	if (ref $msg) {
		1245	my ($type, $reply, @payload) =
		1246	"ARRAY" eq ref $msg
		1247	? @$msg
		1248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1249
		1250	my @reply;
		1251
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
881	} else {	1259	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1261	}
884		1262
885	cf::override;	1263	cf::override;
886	},	1264	},
887	);	1265	);
888		1266
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
924	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1272	next unless -r $path;
926	eval {	1273
927	load_extension $ext;	1274	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1275	my $base = $1;
		1276	my $pkg = $1;
		1277	$pkg =~ s/[^[:word:]]/_/g;
		1278	$pkg = "ext::$pkg";
		1279
		1280	open my $fh, "<:utf8", $path
		1281	or die "$path: $!";
		1282
		1283	my $source = do { local $/; <$fh> };
		1284
		1285	my %ext = (
		1286	path => $path,
		1287	base => $base,
		1288	pkg => $pkg,
		1289	);
		1290
		1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1293
		1294	$ext{source} =
		1295	"package $pkg; use strict; use utf8;\n"
		1296	. "#line 1 \"$path\"\n{\n"
		1297	. $source
		1298	. "\n};\n1";
		1299
		1300	$todo{$base} = \%ext;
		1301	}
		1302
		1303	my %done;
		1304	while (%todo) {
		1305	my $progress;
		1306
		1307	while (my ($k, $v) = each %todo) {
		1308	for (split /,\s*/, $v->{meta}{depends}) {
		1309	goto skip
		1310	unless exists $done{$_};
		1311	}
		1312
		1313	warn "... loading '$k' into '$v->{pkg}'\n";
		1314
		1315	unless (eval $v->{source}) {
		1316	my $msg = $@ ? "$v->{path}: $@\n"
		1317	: "$v->{base}: extension inactive.\n";
		1318
		1319	if (exists $v->{meta}{mandatory}) {
		1320	warn $msg;
		1321	cf::cleanup "mandatory extension failed to load, exiting.";
		1322	}
		1323
		1324	warn $msg;
		1325	}
		1326
		1327	$done{$k} = delete $todo{$k};
		1328	push @EXTS, $v->{pkg};
		1329	$progress = 1;
928	1	1330	}
929	} or warn "$ext not loaded: $@";	1331
		1332	skip:
		1333	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1334	unless $progress;
		1335	}
930	}	1336	};
931	}	1337	}
932		1338
933	#############################################################################	1339	#############################################################################
934		1340
		1341	=back
		1342
935	=head2 CORE EXTENSIONS	1343	=head2 CORE EXTENSIONS
936		1344
937	Functions and methods that extend core crossfire objects.	1345	Functions and methods that extend core crossfire objects.
938		1346
939	=cut	1347	=cut
…		…
944		1352
945	=head3 cf::player	1353	=head3 cf::player
946		1354
947	=over 4	1355	=over 4
948		1356
		1357	=item cf::player::num_playing
		1358
		1359	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1360
		1361	=cut
		1362
		1363	sub num_playing {
		1364	scalar grep
		1365	$_->ob->map
		1366	&& !$_->hidden
		1367	&& !$_->ob->flag (cf::FLAG_WIZ),
		1368	cf::player::list
		1369	}
		1370
949	=item cf::player::find $login	1371	=item cf::player::find $login
950		1372
951	Returns the given player object, loading it if necessary (might block).	1373	Returns the given player object, loading it if necessary (might block).
952		1374
953	=cut	1375	=cut
954		1376
955	sub playerdir($) {	1377	sub playerdir($) {
956	cf::localdir	1378	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1379	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1380	}
962		1381
963	sub path($) {	1382	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1383	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1384
966	(playerdir $login) . "/$login.pl"	1385	(playerdir $login) . "/playerdata"
967	}	1386	}
968		1387
969	sub find_active($) {	1388	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1389	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1390	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1403	my $login = $_[0];
985		1404
986	my $guard = cf::lock_acquire "user_find:$login";	1405	my $guard = cf::lock_acquire "user_find:$login";
987		1406
988	$cf::PLAYER{$_[0]} || do {	1407	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1408	# rename old playerfiles to new ones
		1409	#TODO: remove when no longer required
		1410	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1411	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1412	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1413	aio_unlink +(playerdir $login) . "/$login.pl";
		1414
		1415	my $f = new_from_file cf::object::thawer path $login
990	or return;	1416	or return;
		1417
		1418	my $pl = cf::player::load_pl $f
		1419	or return;
		1420	local $cf::PLAYER_LOADING{$login} = $pl;
		1421	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1422	$cf::PLAYER{$login} = $pl
992	}	1423	}
993	}	1424	}
994	}	1425	}
995		1426
…		…
1005		1436
1006	aio_mkdir playerdir $pl, 0770;	1437	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1438	$pl->{last_save} = $cf::RUNTIME;
1008		1439
1009	$pl->save_pl ($path);	1440	$pl->save_pl ($path);
1010	Coro::cede;	1441	cf::cede_to_tick;
1011	}	1442	}
1012		1443
1013	sub new($) {	1444	sub new($) {
1014	my ($login) = @_;	1445	my ($login) = @_;
1015		1446
…		…
1019	$self->{deny_save} = 1;	1450	$self->{deny_save} = 1;
1020		1451
1021	$cf::PLAYER{$login} = $self;	1452	$cf::PLAYER{$login} = $self;
1022		1453
1023	$self	1454	$self
		1455	}
		1456
		1457	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1458
		1459	=cut
		1460
		1461	sub send_msg {
		1462	my $ns = shift->ns
		1463	or return;
		1464	$ns->send_msg (@_);
1024	}	1465	}
1025		1466
1026	=item $pl->quit_character	1467	=item $pl->quit_character
1027		1468
1028	Nukes the player without looking back. If logged in, the connection will	1469	Nukes the player without looking back. If logged in, the connection will
…		…
1077	while and may block, so not sync_job-capable, ever.	1518	while and may block, so not sync_job-capable, ever.
1078		1519
1079	=cut	1520	=cut
1080		1521
1081	sub list_logins {	1522	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1523	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1524	or return [];
1084		1525
1085	my @logins;	1526	my @logins;
1086		1527
1087	for my $login (@$dirs) {	1528	for my $login (@$dirs) {
		1529	my $path = path $login;
		1530
		1531	# a .pst is a dead give-away for a valid player
		1532	unless (-e "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1533	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1534	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1535	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1536	}
1091		1537
1092	utf8::decode $login;	1538	utf8::decode $login;
1093	push @logins, $login;	1539	push @logins, $login;
1094	}	1540	}
1095		1541
…		…
1122	}	1568	}
1123		1569
1124	\@paths	1570	\@paths
1125	}	1571	}
1126		1572
		1573	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1574
		1575	Expand crossfire pod fragments into protocol xml.
		1576
		1577	=cut
		1578
		1579	use re 'eval';
		1580
		1581	my $group;
		1582	my $interior; $interior = qr{
		1583	# match a pod interior sequence sans C<< >>
		1584	(?:
		1585	\ (.*?)\ (?{ $group = $^N })
		1586	| < (??{$interior}) >
		1587	)
		1588	}x;
		1589
		1590	sub expand_cfpod {
		1591	my ($self, $pod) = @_;
		1592
		1593	my $xml;
		1594
		1595	while () {
		1596	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1597	$group = $1;
		1598
		1599	$group =~ s/&/&amp;/g;
		1600	$group =~ s/</&lt;/g;
		1601
		1602	$xml .= $group;
		1603	} elsif ($pod =~ m%\G
		1604	([BCGHITU])
		1605	<
		1606	(?:
		1607	([^<>]*) (?{ $group = $^N })
		1608	| < $interior >
		1609	)
		1610	>
		1611	%gcsx
		1612	) {
		1613	my ($code, $data) = ($1, $group);
		1614
		1615	if ($code eq "B") {
		1616	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1617	} elsif ($code eq "I") {
		1618	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1619	} elsif ($code eq "U") {
		1620	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1621	} elsif ($code eq "C") {
		1622	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1623	} elsif ($code eq "T") {
		1624	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1625	} elsif ($code eq "G") {
		1626	my ($male, $female) = split /\|/, $data;
		1627	$data = $self->gender ? $female : $male;
		1628	$xml .= expand_cfpod ($self, $data);
		1629	} elsif ($code eq "H") {
		1630	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1631	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1632	"")
		1633	[$self->{hintmode}];
		1634	} else {
		1635	$xml .= "error processing '$code($data)' directive";
		1636	}
		1637	} else {
		1638	if ($pod =~ /\G(.+)/) {
		1639	warn "parse error while expanding $pod (at $1)";
		1640	}
		1641	last;
		1642	}
		1643	}
		1644
		1645	for ($xml) {
		1646	# create single paragraphs (very hackish)
		1647	s/(?<=\S)\n(?=\w)/ /g;
		1648
		1649	# compress some whitespace
		1650	s/\s+\n/\n/g; # ws line-ends
		1651	s/\n\n+/\n/g; # double lines
		1652	s/^\n+//; # beginning lines
		1653	s/\n+$//; # ending lines
		1654	}
		1655
		1656	$xml
		1657	}
		1658
		1659	no re 'eval';
		1660
		1661	sub hintmode {
		1662	$_[0]{hintmode} = $_[1] if @_ > 1;
		1663	$_[0]{hintmode}
		1664	}
		1665
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1666	=item $player->ext_reply ($msgid, @msg)
1128		1667
1129	Sends an ext reply to the player.	1668	Sends an ext reply to the player.
1130		1669
1131	=cut	1670	=cut
1132		1671
1133	sub ext_reply($$$%) {	1672	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1673	my ($self, $id, @msg) = @_;
1135		1674
1136	$msg{msgid} = $id;	1675	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1676	}
1140		1677
1141	package cf;	1678	=item $player->ext_msg ($type, @msg)
		1679
		1680	Sends an ext event to the client.
		1681
		1682	=cut
		1683
		1684	sub ext_msg($$@) {
		1685	my ($self, $type, @msg) = @_;
		1686
		1687	$self->ns->ext_msg ($type, @msg);
		1688	}
		1689
		1690	=head3 cf::region
		1691
		1692	=over 4
		1693
		1694	=cut
		1695
		1696	package cf::region;
		1697
		1698	=item cf::region::find_by_path $path
		1699
		1700	Tries to decuce the likely region for a map knowing only its path.
		1701
		1702	=cut
		1703
		1704	sub find_by_path($) {
		1705	my ($path) = @_;
		1706
		1707	my ($match, $specificity);
		1708
		1709	for my $region (list) {
		1710	if ($region->{match} && $path =~ $region->{match}) {
		1711	($match, $specificity) = ($region, $region->specificity)
		1712	if $region->specificity > $specificity;
		1713	}
		1714	}
		1715
		1716	$match
		1717	}
1142		1718
1143	=back	1719	=back
1144
1145		1720
1146	=head3 cf::map	1721	=head3 cf::map
1147		1722
1148	=over 4	1723	=over 4
1149		1724
…		…
1204	my ($self, $merge) = @_;	1779	my ($self, $merge) = @_;
1205		1780
1206	# we have to keep some variables in memory intact	1781	# we have to keep some variables in memory intact
1207	local $self->{path};	1782	local $self->{path};
1208	local $self->{load_path};	1783	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1784
1212	$self->SUPER::thawer_merge ($merge);	1785	$self->SUPER::thawer_merge ($merge);
1213	}	1786	}
1214		1787
1215	sub normalise {	1788	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1835	$self->init; # pass $1 etc.
1263	return $self;	1836	return $self;
1264	}	1837	}
1265	}	1838	}
1266		1839
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1840	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1841	()
1269	}	1842	}
1270		1843
1271	sub init {	1844	sub init {
1272	my ($self) = @_;	1845	my ($self) = @_;
…		…
1287		1860
1288	# the original (read-only) location	1861	# the original (read-only) location
1289	sub load_path {	1862	sub load_path {
1290	my ($self) = @_;	1863	my ($self) = @_;
1291		1864
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1865	"$MAPDIR/$self->{path}.map"
1293	}	1866	}
1294		1867
1295	# the temporary/swap location	1868	# the temporary/swap location
1296	sub save_path {	1869	sub save_path {
1297	my ($self) = @_;	1870	my ($self) = @_;
1298		1871
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1872	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1873	"$TMPDIR/$path.map"
1301	}	1874	}
1302		1875
1303	# the unique path, undef == no special unique path	1876	# the unique path, undef == no special unique path
1304	sub uniq_path {	1877	sub uniq_path {
1305	my ($self) = @_;	1878	my ($self) = @_;
1306		1879
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1881	"$UNIQUEDIR/$path"
1309	}	1882	}
1310		1883
1311	# and all this just because we cannot iterate over	1884	# and all this just because we cannot iterate over
1312	# all maps in C++...	1885	# all maps in C++...
1313	sub change_all_map_light {	1886	sub change_all_map_light {
…		…
1315		1888
1316	$_->change_map_light ($change)	1889	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1890	for grep $_->outdoor, values %cf::MAP;
1318	}	1891	}
1319		1892
		1893	sub decay_objects {
		1894	my ($self) = @_;
		1895
		1896	return if $self->{deny_reset};
		1897
		1898	$self->do_decay_objects;
		1899	}
		1900
1320	sub unlink_save {	1901	sub unlink_save {
1321	my ($self) = @_;	1902	my ($self) = @_;
1322		1903
1323	utf8::encode (my $save = $self->save_path);	1904	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1905	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1908
1328	sub load_header_from($) {	1909	sub load_header_from($) {
1329	my ($self, $path) = @_;	1910	my ($self, $path) = @_;
1330		1911
1331	utf8::encode $path;	1912	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1913	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1914	or return;
		1915
		1916	$self->_load_header ($f)
		1917	or return;
		1918
		1919	local $MAP_LOADING{$self->{path}} = $self;
		1920	$f->resolve_delayed_derefs;
1337		1921
1338	$self->{load_path} = $path;	1922	$self->{load_path} = $path;
1339		1923
1340	1	1924	1
1341	}	1925	}
…		…
1380	$self->load_header_orig	1964	$self->load_header_orig
1381	or return;	1965	or return;
1382	$self->prepare_orig;	1966	$self->prepare_orig;
1383	}	1967	}
1384		1968
		1969	$self->{deny_reset} = 1
		1970	if $self->no_reset;
		1971
		1972	$self->default_region (cf::region::find_by_path $self->{path})
		1973	unless $self->default_region;
		1974
1385	1	1975	1
1386	}	1976	}
1387		1977
1388	sub find;	1978	sub find;
1389	sub find {	1979	sub find {
1390	my ($path, $origin) = @_;	1980	my ($path, $origin) = @_;
1391		1981
1392	$path = normalise $path, $origin && $origin->path;	1982	$path = normalise $path, $origin && $origin->path;
1393		1983
		1984	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1985	cf::lock_wait "map_find:$path";
1395		1986
1396	$cf::MAP{$path} || do {	1987	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";	1988	my $guard1 = cf::lock_acquire "map_find:$path";
		1989	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1990
1398	my $map = new_from_path cf::map $path	1991	my $map = new_from_path cf::map $path
1399	or return;	1992	or return;
1400		1993
1401	$map->{last_save} = $cf::RUNTIME;	1994	$map->{last_save} = $cf::RUNTIME;
1402		1995
1403	$map->load_header	1996	$map->load_header
1404	or return;	1997	or return;
1405		1998
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1999	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	2000	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	2001	#$cf::WAIT_FOR_TICK->wait;
		2002	undef $guard1;
		2003	undef $guard2;
1409	$map->reset;	2004	$map->reset;
1410	undef $guard;
1411	return find $path;	2005	return find $path;
1412	}	2006	}
1413		2007
1414	$cf::MAP{$path} = $map	2008	$cf::MAP{$path} = $map
1415	}	2009	}
…		…
1422	my ($self) = @_;	2016	my ($self) = @_;
1423		2017
1424	local $self->{deny_reset} = 1; # loading can take a long time	2018	local $self->{deny_reset} = 1; # loading can take a long time
1425		2019
1426	my $path = $self->{path};	2020	my $path = $self->{path};
		2021
		2022	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2023	my $guard = cf::lock_acquire "map_data:$path";
1428		2024
		2025	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2026	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2027
1431	$self->in_memory (cf::MAP_LOADING);	2028	$self->in_memory (cf::MAP_LOADING);
1432		2029
1433	$self->alloc;	2030	$self->alloc;
1434		2031
1435	$self->pre_load;	2032	$self->pre_load;
		2033	cf::cede_to_tick;
1436		2034
1437	$self->_load_objects ($self->{load_path}, 1)	2035	my $f = new_from_file cf::object::thawer $self->{load_path};
		2036	$f->skip_block;
		2037	$self->_load_objects ($f)
1438	or return;	2038	or return;
1439		2039
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2040	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};	2041	if delete $self->{load_original};
1442		2042
1443	if (my $uniq = $self->uniq_path) {	2043	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2044	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2045	unless (aio_stat $uniq) {
		2046	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2047	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2048	$self->_load_objects ($f);
		2049	$f->resolve_delayed_derefs;
		2050	}
1448	}	2051	}
1449	}	2052	}
1450		2053
1451	Coro::cede;	2054	$f->resolve_delayed_derefs;
1452		2055
		2056	cf::cede_to_tick;
1453	# now do the right thing for maps	2057	# now do the right thing for maps
1454	$self->link_multipart_objects;	2058	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2059	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2060	unless $self->difficulty;
1464	Coro::cede;	2061	cf::cede_to_tick;
		2062
		2063	unless ($self->{deny_activate}) {
		2064	$self->decay_objects;
		2065	$self->fix_auto_apply;
		2066	$self->update_buttons;
		2067	cf::cede_to_tick;
		2068	$self->set_darkness_map;
		2069	cf::cede_to_tick;
1465	$self->activate;	2070	$self->activate;
		2071	}
		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
		2076	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	2077	}
1467		2078
1468	$self->post_load;	2079	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2080	}
1472		2081
1473	sub customise_for {	2082	sub customise_for {
1474	my ($self, $ob) = @_;	2083	my ($self, $ob) = @_;
1475		2084
1476	return find "~" . $ob->name . "/" . $self->{path}	2085	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2086	if $self->per_player;
1478		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
1479	$self	2091	$self
1480	}	2092	}
1481		2093
1482	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2095	sub load_neighbours {
1484	my ($map) = @_;	2096	my ($map) = @_;
1485		2097
1486	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1487		2099
1488	for (0 .. 3) {	2100	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1490	or next;	2102	or next;
1491	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1492	or next;	2104	or next;
1493	$neigh->load;	2105	$neigh->load;
1494		2106
		2107	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2110	}
1498		2111
1499	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1501	or next;	2115	or next;
1502	$neigh->load;	2116	$neigh->load;
1503	}	2117	}
1504	}	2118	}
1505		2119
…		…
1510	}	2124	}
1511		2125
1512	sub do_load_sync {	2126	sub do_load_sync {
1513	my ($map) = @_;	2127	my ($map) = @_;
1514		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1515	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1516	}	2133	}
1517		2134
1518	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2136	our $MAP_PREFETCHER = undef;
1520		2137
1521	sub find_async {	2138	sub find_async {
1522	my ($path, $origin) = @_;	2139	my ($path, $origin, $load) = @_;
1523		2140
1524	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
1525		2142
1526	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1528	}	2145	}
1529		2146
1530	undef $MAP_PREFETCH{$path};	2147	$MAP_PREFETCH{$path} |= $load;
		2148
1531	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
1532	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2154	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2155	$map->load if $v;
		2156	}
1537		2157
1538	delete $MAP_PREFETCH{$path};	2158	delete $MAP_PREFETCH{$k};
1539	}	2159	}
1540	}	2160	}
1541	undef $MAP_PREFETCHER;	2161	undef $MAP_PREFETCHER;
1542	};	2162	};
1543	$MAP_PREFETCHER->prio (6);	2163	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2166	}
1547		2167
1548	sub save {	2168	sub save {
1549	my ($self) = @_;	2169	my ($self) = @_;
1550		2170
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2172
1553	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1554		2174
1555	return unless $self->dirty;	2175	return unless $self->dirty;
1556		2176
…		…
1562	return if $self->{deny_save};	2182	return if $self->{deny_save};
1563		2183
1564	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1565		2185
1566	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1568	};	2189	};
1569		2190
1570	if ($uniq) {	2191	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2192	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1579	my ($self) = @_;	2200	my ($self) = @_;
1580		2201
1581	# save first because save cedes	2202	# save first because save cedes
1582	$self->save;	2203	$self->save;
1583		2204
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2205	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2206
1586	return if $self->players;	2207	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2208	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};	2209	return if $self->{deny_save};
1589		2210
		2211	$self->in_memory (cf::MAP_SWAPPED);
		2212
		2213	$self->deactivate;
		2214	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2215	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2216	}
1593		2217
1594	sub reset_at {	2218	sub reset_at {
1595	my ($self) = @_;	2219	my ($self) = @_;
1596		2220
1597	# TODO: safety, remove and allow resettable per-player maps	2221	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2222	return 1e99 if $self->{deny_reset};
1600		2223
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2224	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2225	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2226
…		…
1614	my ($self) = @_;	2237	my ($self) = @_;
1615		2238
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2239	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2240
1618	return if $self->players;	2241	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2242
1621	warn "resetting map ", $self->path;#d#	2243	warn "resetting map ", $self->path;
1622		2244
1623	$self->in_memory (cf::MAP_SWAPPED);	2245	$self->in_memory (cf::MAP_SWAPPED);
1624		2246
1625	# need to save uniques path	2247	# need to save uniques path
1626	unless ($self->{deny_save}) {	2248	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2252	if $uniq;
1631	}	2253	}
1632		2254
1633	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1634		2256
		2257	$self->deactivate;
		2258	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2259	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2260
1639	$self->unlink_save;	2261	$self->unlink_save;
1640	$self->destroy;	2262	$self->destroy;
1641	}	2263	}
1642		2264
1643	my $nuke_counter = "aaaa";	2265	my $nuke_counter = "aaaa";
1644		2266
1645	sub nuke {	2267	sub nuke {
1646	my ($self) = @_;	2268	my ($self) = @_;
1647		2269
		2270	{
		2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2272
1648	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1649		2274
1650	$self->unlink_save;	2275	$self->unlink_save;
1651		2276
1652	bless $self, "cf::map";	2277	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2278	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2279	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2280	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2281	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2282
1658	$cf::MAP{$self->path} = $self;	2283	$cf::MAP{$self->path} = $self;
		2284	}
1659		2285
1660	$self->reset; # polite request, might not happen	2286	$self->reset; # polite request, might not happen
		2287	}
		2288
		2289	=item $maps = cf::map::tmp_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	maps. May block.
		2293
		2294	=cut
		2295
		2296	sub tmp_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise $_
		2302	: ()
		2303	} @{ aio_readdir $TMPDIR or [] }
		2304	]
		2305	}
		2306
		2307	=item $maps = cf::map::random_maps
		2308
		2309	Returns an arrayref with all map paths of currently instantiated and saved
		2310	random maps. May block.
		2311
		2312	=cut
		2313
		2314	sub random_maps() {
		2315	[
		2316	map {
		2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise "?random/$_"
		2320	: ()
		2321	} @{ aio_readdir $RANDOMDIR or [] }
		2322	]
1661	}	2323	}
1662		2324
1663	=item cf::map::unique_maps	2325	=item cf::map::unique_maps
1664		2326
1665	Returns an arrayref of paths of all shared maps that have	2327	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2328	instantiated unique items. May block.
1667		2329
1668	=cut	2330	=cut
1669		2331
1670	sub unique_maps() {	2332	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2333	[
1672	or return;	2334	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2335	utf8::decode $_;
1678	next if /\.pst$/;	2336	/\.map$/
1679	next unless /^$PATH_SEP/o;	2337	? normalise $_
1680		2338	: ()
1681	push @paths, cf::map::normalise $_;	2339	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2340	]
1683
1684	\@paths
1685	}	2341	}
1686		2342
1687	package cf;	2343	package cf;
1688		2344
1689	=back	2345	=back
…		…
1707	map { $_, inv_recursive_ $_->inv } @_	2363	map { $_, inv_recursive_ $_->inv } @_
1708	}	2364	}
1709		2365
1710	sub inv_recursive {	2366	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2367	inv_recursive_ inv $_[0]
		2368	}
		2369
		2370	=item $ref = $ob->ref
		2371
		2372	creates and returns a persistent reference to an objetc that can be stored as a string.
		2373
		2374	=item $ob = cf::object::deref ($refstring)
		2375
		2376	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2377	even if the object actually exists. May block.
		2378
		2379	=cut
		2380
		2381	sub deref {
		2382	my ($ref) = @_;
		2383
		2384	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2385	my ($uuid, $name) = ($1, $2);
		2386	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2387	or return;
		2388	$pl->ob->uuid eq $uuid
		2389	or return;
		2390
		2391	$pl->ob
		2392	} else {
		2393	warn "$ref: cannot resolve object reference\n";
		2394	undef
		2395	}
1712	}	2396	}
1713		2397
1714	package cf;	2398	package cf;
1715		2399
1716	=back	2400	=back
…		…
1735		2419
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2421
1738	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1740	} else {	2425	} else {
		2426	my $pl = $self->contr;
		2427
		2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2429	my $dialog = $pl->{npc_dialog};
		2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2431
		2432	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2434	$self->message ($msg, $flags);
		2435	}
1743	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
1744	}	2447	}
1745		2448
1746	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1747		2450
1748	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2498	$self->deactivate_recursive;
1796		2499
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2500	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2501
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2503	if $self->map && $self->map->{path} ne "{link}";
1801		2504
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2505	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2506	}
1804		2507
1805	sub cf::object::player::leave_link {	2508	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2509	my ($self, $map, $x, $y) = @_;
		2510
		2511	return unless $self->contr->active;
1807		2512
1808	my $link_pos = delete $self->{_link_pos};	2513	my $link_pos = delete $self->{_link_pos};
1809		2514
1810	unless ($map) {	2515	unless ($map) {
1811	# restore original map position	2516	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2530	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2531	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2532	if $x <=0 && $y <= 0;
1828		2533
1829	$map->load;	2534	$map->load;
1830	$map->load_diag;	2535	$map->load_neighbours;
1831		2536
1832	return unless $self->contr->active;	2537	return unless $self->contr->active;
1833	$self->activate_recursive;	2538	$self->activate_recursive;
1834		2539
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1837	}	2542	}
1838		2543
1839	cf::player->attach (	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2545
1843	# abort map switching before logout	2546	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2547	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2549	the new (success) or old (failed) map position. In either case, $done will
1847	};	2550	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2551
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2552	=cut
		2553
		2554	our $GOTOGEN;
1874		2555
1875	sub cf::object::player::goto {	2556	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2557	my ($self, $path, $x, $y, $check, $done) = @_;
		2558
		2559	# do generation counting so two concurrent goto's will be executed in-order
		2560	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2561
1878	$self->enter_link;	2562	$self->enter_link;
1879		2563
1880	(async {	2564	(async {
		2565	$Coro::current->{desc} = "player::goto $path $x $y";
		2566
		2567	# *tag paths override both path and x|y
		2568	if ($path =~ /^\*(.*)$/) {
		2569	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2570	my $ob = $obs[rand @obs];
		2571
		2572	# see if we actually can go there
		2573	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2574	$ob = $obs[rand @obs];
		2575	} else {
		2576	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2577	}
		2578	# else put us there anyways for now #d#
		2579
		2580	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2581	} else {
		2582	($path, $x, $y) = (undef, undef, undef);
		2583	}
		2584	}
		2585
1881	my $map = eval {	2586	my $map = eval {
1882	my $map = cf::map::find $path;	2587	my $map = defined $path ? cf::map::find $path : undef;
		2588
		2589	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2590	$map = $map->customise_for ($self);
		2591	$map = $check->($map) if $check && $map;
		2592	} else {
		2593	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	}
		2595
1884	$map	2596	$map
		2597	};
		2598
		2599	if ($@) {
		2600	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2601	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2602	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2603
		2604	if ($gen == $self->{_goto_generation}) {
		2605	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2606	$self->leave_link ($map, $x, $y);
		2607	}
		2608
		2609	$done->() if $done;
1889	})->prio (1);	2610	})->prio (1);
1890	}	2611	}
1891		2612
1892	=item $player_object->enter_exit ($exit_object)	2613	=item $player_object->enter_exit ($exit_object)
1893		2614
…		…
1930	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
1931	}	2652	}
1932		2653
1933	$rmp->{random_seed} ||= $exit->random_seed;	2654	$rmp->{random_seed} ||= $exit->random_seed;
1934		2655
1935	my $data = cf::to_json $rmp;	2656	my $data = cf::encode_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2657	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2658	my $meta = "$RANDOMDIR/$md5.meta";
1938		2659
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2660	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2661	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2662	undef $fh;
1942	aio_rename "$meta~", $meta;	2663	aio_rename "$meta~", $meta;
…		…
1951		2672
1952	return unless $self->type == cf::PLAYER;	2673	return unless $self->type == cf::PLAYER;
1953		2674
1954	if ($exit->slaying eq "/!") {	2675	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2676	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2677	# the problem is that $exit might not survive long enough
		2678	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2679	cf::sync_job { prepare_random_map $exit };
1957	}	2680	}
1958		2681
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2682	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2683	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2684	my $sp = $exit->stats->sp;
1962		2685
1963	$self->enter_link;	2686	$self->enter_link;
1964		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($slaying, $hp, $sp)
		2690	if $exit->flag (FLAG_DAMNED);
		2691
1965	(async {	2692	(async {
		2693	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2694
1966	$self->deactivate_recursive; # just to be sure	2695	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2696	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2697	$self->goto ($slaying, $hp, $sp);
1969		2698
1970	1;	2699	1;
1971	}) {	2700	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2705
1977	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2707	$self->leave_link;
1979	}	2708	}
1980	})->prio (1);	2709	})->prio (1);
…		…
1993		2722
1994	sub cf::client::send_drawinfo {	2723	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2724	my ($self, $text, $flags) = @_;
1996		2725
1997	utf8::encode $text;	2726	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2728	}
2000		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/uptime" => {
		2778	id => "infobox",
		2779	title => "Uptime",
		2780	reply => undef,
		2781	tooltip => "How long the server has been running since last restart",
		2782	},
		2783	"c/mapinfo" => {
		2784	id => "infobox",
		2785	title => "Map Info",
		2786	reply => undef,
		2787	tooltip => "Information related to the maps",
		2788	},
		2789	);
		2790
		2791	sub cf::client::send_msg {
		2792	my ($self, $channel, $msg, $color, @extra) = @_;
		2793
		2794	$msg = $self->pl->expand_cfpod ($msg);
		2795
		2796	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2797
		2798	# check predefined channels, for the benefit of C
		2799	if ($CHANNEL{$channel}) {
		2800	$channel = $CHANNEL{$channel};
		2801
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804
		2805	$channel = $channel->{id};
		2806
		2807	} elsif (ref $channel) {
		2808	# send meta info to client, if not yet sent
		2809	unless (exists $self->{channel}{$channel->{id}}) {
		2810	$self->{channel}{$channel->{id}} = $channel;
		2811	$self->ext_msg (channel_info => $channel)
		2812	if $self->can_msg;
		2813	}
		2814
		2815	$channel = $channel->{id};
		2816	}
		2817
		2818	return unless @extra || length $msg;
		2819
		2820	if ($self->can_msg) {
		2821	# default colour, mask it out
		2822	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2823	if $color & cf::NDI_DEF;
		2824
		2825	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2827	} else {
		2828	if ($color >= 0) {
		2829	# replace some tags by gcfclient-compatible ones
		2830	for ($msg) {
		2831	1 while
		2832	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2833	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2834	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2835	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2836	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2837	}
		2838
		2839	$color &= cf::NDI_COLOR_MASK;
		2840
		2841	utf8::encode $msg;
		2842
		2843	if (0 && $msg =~ /\[/) {
		2844	# COMMAND/INFO
		2845	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2846	} else {
		2847	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2848	$self->send_packet ("drawinfo $color $msg")
		2849	}
		2850	}
		2851	}
		2852	}
		2853
		2854	=item $client->ext_msg ($type, @msg)
		2855
		2856	Sends an ext event to the client.
		2857
		2858	=cut
		2859
		2860	sub cf::client::ext_msg($$@) {
		2861	my ($self, $type, @msg) = @_;
		2862
		2863	if ($self->extcmd == 2) {
		2864	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2865	} elsif ($self->extcmd == 1) { # TODO: remove
		2866	push @msg, msgtype => "event_$type";
		2867	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2868	}
		2869	}
		2870
		2871	=item $client->ext_reply ($msgid, @msg)
		2872
		2873	Sends an ext reply to the client.
		2874
		2875	=cut
		2876
		2877	sub cf::client::ext_reply($$@) {
		2878	my ($self, $id, @msg) = @_;
		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2882	} elsif ($self->extcmd == 1) {
		2883	#TODO: version 1, remove
		2884	unshift @msg, msgtype => "reply", msgid => $id;
		2885	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2886	}
		2887	}
2001		2888
2002	=item $success = $client->query ($flags, "text", \&cb)	2889	=item $success = $client->query ($flags, "text", \&cb)
2003		2890
2004	Queues a query to the client, calling the given callback with	2891	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2892	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2893	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2894
2008	Queries can fail, so check the return code. Or don't, as queries will become	2895	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2896	become reliable at some point in the future.
2010		2897
2011	=cut	2898	=cut
2012		2899
2013	sub cf::client::query {	2900	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2901	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2909	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2910	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2911
2025	$self->send_packet ($self->{query_queue}[0][0])	2912	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2913	if @{ $self->{query_queue} } == 1;
		2914
		2915	1
2027	}	2916	}
2028		2917
2029	cf::client->attach (	2918	cf::client->attach (
		2919	on_connect => sub {
		2920	my ($ns) = @_;
		2921
		2922	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2923	},
2030	on_reply => sub {	2924	on_reply => sub {
2031	my ($ns, $msg) = @_;	2925	my ($ns, $msg) = @_;
2032		2926
2033	# this weird shuffling is so that direct followup queries	2927	# this weird shuffling is so that direct followup queries
2034	# get handled first	2928	# get handled first
…		…
2046	} else {	2940	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2941	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2942	}
2049	}	2943	}
2050	},	2944	},
		2945	on_exticmd => sub {
		2946	my ($ns, $buf) = @_;
		2947
		2948	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2949
		2950	if (ref $msg) {
		2951	my ($type, $reply, @payload) =
		2952	"ARRAY" eq ref $msg
		2953	? @$msg
		2954	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2955
		2956	my @reply;
		2957
		2958	if (my $cb = $EXTICMD{$type}) {
		2959	@reply = $cb->($ns, @payload);
		2960	}
		2961
		2962	$ns->ext_reply ($reply, @reply)
		2963	if $reply;
		2964
		2965	} else {
		2966	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2967	}
		2968
		2969	cf::override;
		2970	},
2051	);	2971	);
2052		2972
2053	=item $client->async (\&cb)	2973	=item $client->async (\&cb)
2054		2974
2055	Create a new coroutine, running the specified callback. The coroutine will	2975	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	3016	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3017	our $safe_hole = new Safe::Hole;
2098		3018
2099	$SIG{FPE} = 'IGNORE';	3019	$SIG{FPE} = 'IGNORE';
2100		3020
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3021	$safe->permit_only (Opcode::opset qw(
		3022	:base_core :base_mem :base_orig :base_math
		3023	grepstart grepwhile mapstart mapwhile
		3024	sort time
		3025	));
2102		3026
2103	# here we export the classes and methods available to script code	3027	# here we export the classes and methods available to script code
2104		3028
2105	=pod	3029	=pod
2106		3030
2107	The following fucntions and emthods are available within a safe environment:	3031	The following functions and methods are available within a safe environment:
2108		3032
2109	cf::object contr pay_amount pay_player map	3033	cf::object
		3034	contr pay_amount pay_player map x y force_find force_add destroy
		3035	insert remove name archname title slaying race decrease_ob_nr
		3036
2110	cf::object::player player	3037	cf::object::player
2111	cf::player peaceful	3038	player
2112	cf::map trigger	3039
		3040	cf::player
		3041	peaceful
		3042
		3043	cf::map
		3044	trigger
2113		3045
2114	=cut	3046	=cut
2115		3047
2116	for (	3048	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3049	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3050	insert remove inv name archname title slaying race
		3051	decrease_ob_nr destroy)],
2118	["cf::object::player" => qw(player)],	3052	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3053	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	3054	["cf::map" => qw(trigger)],
2121	) {	3055	) {
2122	no strict 'refs';	3056	no strict 'refs';
…		…
2193	=back	3127	=back
2194		3128
2195	=cut	3129	=cut
2196		3130
2197	#############################################################################	3131	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3132	# the server's init and main functions
2271		3133
2272	sub load_faces {	3134	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3135	my ($path) = @_;
2274		3136
		3137	# HACK to clear player env face cache, we need some signal framework
		3138	# for this (global event?)
		3139	%ext::player_env::MUSIC_FACE_CACHE = ();
		3140
		3141	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3142
2275	warn "loading faces from $path\n";	3143	warn "loading facedata from $path\n";
2276		3144
2277	my $faces;	3145	my $facedata;
2278	0 < aio_load $path, $faces	3146	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3147	or die "$path: $!";
2280		3148
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3149	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3150
		3151	$facedata->{version} == 2
		3152	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3153
		3154	# patch in the exptable
		3155	$facedata->{resource}{"res/exp_table"} = {
		3156	type => FT_RSRC,
		3157	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3158	};
		3159	cf::cede_to_tick;
		3160
		3161	{
		3162	my $faces = $facedata->{faceinfo};
		3163
2285	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3165	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3166
		3167	cf::face::set_visibility $idx, $info->{visibility};
		3168	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3169	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3170	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3171
		3172	cf::cede_to_tick;
		3173	}
		3174
		3175	while (my ($face, $info) = each %$faces) {
		3176	next unless $info->{smooth};
		3177
		3178	my $idx = cf::face::find $face
		3179	or next;
		3180
		3181	if (my $smooth = cf::face::find $info->{smooth}) {
		3182	cf::face::set_smooth $idx, $smooth;
		3183	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3184	} else {
		3185	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3186	}
		3187
		3188	cf::cede_to_tick;
		3189	}
		3190	}
		3191
2290	}	3192	{
		3193	my $anims = $facedata->{animinfo};
		3194
		3195	while (my ($anim, $info) = each %$anims) {
		3196	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3197	cf::cede_to_tick;
		3198	}
		3199
		3200	cf::anim::invalidate_all; # d'oh
		3201	}
		3202
		3203	{
		3204	# TODO: for gcfclient pleasure, we should give resources
		3205	# that gcfclient doesn't grok a >10000 face index.
		3206	my $res = $facedata->{resource};
		3207
		3208	while (my ($name, $info) = each %$res) {
		3209	if (defined $info->{type}) {
		3210	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3211	my $data;
		3212
		3213	if ($info->{type} & 1) {
		3214	# prepend meta info
		3215
		3216	my $meta = $enc->encode ({
		3217	name => $name,
		3218	%{ $info->{meta} || {} },
		3219	});
		3220
		3221	$data = pack "(w/a*)*", $meta, $info->{data};
		3222	} else {
		3223	$data = $info->{data};
		3224	}
		3225
		3226	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3227	cf::face::set_type $idx, $info->{type};
		3228	} else {
		3229	$RESOURCE{$name} = $info;
		3230	}
		3231
		3232	cf::cede_to_tick;
		3233	}
		3234	}
		3235
		3236	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3237
2292	1	3238	1
2293	}	3239	}
2294		3240
		3241	cf::global->attach (on_resource_update => sub {
		3242	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3243	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3244
		3245	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3246	my $sound = $soundconf->{compat}[$_]
		3247	or next;
		3248
		3249	my $face = cf::face::find "sound/$sound->[1]";
		3250	cf::sound::set $sound->[0] => $face;
		3251	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3252	}
		3253
		3254	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3255	my $face = cf::face::find "sound/$v";
		3256	cf::sound::set $k => $face;
		3257	}
		3258	}
		3259	});
		3260
		3261	register_exticmd fx_want => sub {
		3262	my ($ns, $want) = @_;
		3263
		3264	while (my ($k, $v) = each %$want) {
		3265	$ns->fx_want ($k, $v);
		3266	}
		3267	};
		3268
		3269	sub reload_regions {
		3270	# HACK to clear player env face cache, we need some signal framework
		3271	# for this (global event?)
		3272	%ext::player_env::MUSIC_FACE_CACHE = ();
		3273
		3274	load_resource_file "$MAPDIR/regions"
		3275	or die "unable to load regions file\n";
		3276
		3277	for (cf::region::list) {
		3278	$_->{match} = qr/$_->{match}/
		3279	if exists $_->{match};
		3280	}
		3281	}
		3282
		3283	sub reload_facedata {
		3284	load_facedata "$DATADIR/facedata"
		3285	or die "unable to load facedata\n";
		3286	}
		3287
		3288	sub reload_archetypes {
		3289	load_resource_file "$DATADIR/archetypes"
		3290	or die "unable to load archetypes\n";
		3291	#d# NEED to laod twice to resolve forward references
		3292	# this really needs to be done in an extra post-pass
		3293	# (which needs to be synchronous, so solve it differently)
		3294	load_resource_file "$DATADIR/archetypes"
		3295	or die "unable to load archetypes\n";
		3296	}
		3297
		3298	sub reload_treasures {
		3299	load_resource_file "$DATADIR/treasures"
		3300	or die "unable to load treasurelists\n";
		3301	}
		3302
2295	sub reload_resources {	3303	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3304	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3305
		3306	reload_regions;
2298	load_faces	3307	reload_facedata;
2299	or die "unable to load faces\n";#d#	3308	#reload_archetypes;#d#
		3309	reload_archetypes;
		3310	reload_treasures;
		3311
		3312	warn "finished reloading resource files\n";
2300	}	3313	}
2301		3314
2302	sub init {	3315	sub init {
2303	reload_resources;	3316	reload_resources;
2304	}	3317	}
2305		3318
2306	sub cfg_load {	3319	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3320	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3321	or return;
2309		3322
2310	local $/;	3323	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3324	*CFG = YAML::Load <$fh>;
2312		3325
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3326	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2314		3327
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3328	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3329	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2327	sub main {	3340	sub main {
2328	# we must not ever block the main coroutine	3341	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3342	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3343	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3344	(async {
2332	Event::one_event;	3345	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3346	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3347	})->prio (Coro::PRIO_MAX);
2334	};	3348	};
2335		3349
2336	cfg_load;	3350	reload_config;
2337	db_init;	3351	db_init;
2338	load_extensions;	3352	load_extensions;
2339		3353
2340	$TICK_WATCHER->start;	3354	$TICK_WATCHER->start;
		3355	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2341	Event::loop;	3356	EV::loop;
2342	}	3357	}
2343		3358
2344	#############################################################################	3359	#############################################################################
2345	# initialisation and cleanup	3360	# initialisation and cleanup
2346		3361
2347	# install some emergency cleanup handlers	3362	# install some emergency cleanup handlers
2348	BEGIN {	3363	BEGIN {
		3364	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3365	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3366	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3367	cf::cleanup "SIG$signal";
2357	},
2358	);	3368	};
		3369	}
		3370	}
		3371
		3372	sub write_runtime {
		3373	my $runtime = "$LOCALDIR/runtime";
		3374
		3375	# first touch the runtime file to show we are still running:
		3376	# the fsync below can take a very very long time.
		3377
		3378	IO::AIO::aio_utime $runtime, undef, undef;
		3379
		3380	my $guard = cf::lock_acquire "write_runtime";
		3381
		3382	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3383	or return;
		3384
		3385	my $value = $cf::RUNTIME + 90 + 10;
		3386	# 10 is the runtime save interval, for a monotonic clock
		3387	# 60 allows for the watchdog to kill the server.
		3388
		3389	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3390	and return;
		3391
		3392	# always fsync - this file is important
		3393	aio_fsync $fh
		3394	and return;
		3395
		3396	# touch it again to show we are up-to-date
		3397	aio_utime $fh, undef, undef;
		3398
		3399	close $fh
		3400	or return;
		3401
		3402	aio_rename "$runtime~", $runtime
		3403	and return;
		3404
		3405	warn "runtime file written.\n";
		3406
2359	}	3407	1
2360	}	3408	}
2361		3409
2362	sub emergency_save() {	3410	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3411	my $freeze_guard = cf::freeze_mainloop;
2364		3412
…		…
2370	# and maps saved/destroyed asynchronously.	3418	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3419	warn "begin emergency player save\n";
2372	for my $login (keys %cf::PLAYER) {	3420	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3421	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3422	$pl->valid or next;
		3423	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3424	$pl->save;
2376	}	3425	}
2377	warn "end emergency player save\n";	3426	warn "end emergency player save\n";
2378		3427
2379	warn "begin emergency map save\n";	3428	warn "begin emergency map save\n";
…		…
2397		3446
2398	warn Carp::longmess "post_cleanup backtrace"	3447	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3448	if $make_core;
2400	}	3449	}
2401		3450
2402	sub reload() {	3451	sub do_reload_perl() {
2403	# can/must only be called in main	3452	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3453	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3454	warn "can only reload from main coroutine";
2406	return;	3455	return;
2407	}	3456	}
…		…
2418	warn "syncing database to disk";	3467	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3468	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3469
2421	# if anything goes wrong in here, we should simply crash as we already saved	3470	# if anything goes wrong in here, we should simply crash as we already saved
2422		3471
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";	3472	warn "flushing outstanding aio requests";
2429	for (;;) {	3473	for (;;) {
2430	BDB::flush;	3474	BDB::flush;
2431	IO::AIO::flush;	3475	IO::AIO::flush;
2432	Coro::cede;	3476	Coro::cede_notself;
2433	last unless IO::AIO::nreqs || BDB::nreqs;	3477	last unless IO::AIO::nreqs || BDB::nreqs;
2434	warn "iterate...";	3478	warn "iterate...";
2435	}	3479	}
2436		3480
2437	++$RELOAD;	3481	++$RELOAD;
…		…
2441	%EXT_CORO = ();	3485	%EXT_CORO = ();
2442		3486
2443	warn "removing commands";	3487	warn "removing commands";
2444	%COMMAND = ();	3488	%COMMAND = ();
2445		3489
2446	warn "removing ext commands";	3490	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3491	%EXTCMD = ();
		3492	%EXTICMD = ();
2448		3493
2449	warn "unloading/nuking all extensions";	3494	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3495	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3496	warn "... unloading $pkg";
2452		3497
…		…
2482	Symbol::delete_package "safe::$_"	3527	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3529
2485	warn "unloading cf.pm \"a bit\"";	3530	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3531	delete $INC{"cf.pm"};
		3532	delete $INC{"cf/pod.pm"};
2487		3533
2488	# don't, removes xs symbols, too,	3534	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3535	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3536	#Symbol::delete_package __PACKAGE__;
2491		3537
…		…
2494	warn "reloading cf.pm";	3540	warn "reloading cf.pm";
2495	require cf;	3541	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3542	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3543
2498	warn "loading config and database again";	3544	warn "loading config and database again";
2499	cf::cfg_load;	3545	cf::reload_config;
2500		3546
2501	warn "loading extensions";	3547	warn "loading extensions";
2502	cf::load_extensions;	3548	cf::load_extensions;
2503		3549
2504	warn "reattaching attachments to objects/players";	3550	warn "reattaching attachments to objects/players";
…		…
2506	warn "reattaching attachments to maps";	3552	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3553	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3554	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3555	reattach $_ for values %PLAYER;
2510		3556
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3557	warn "leaving sync_job";
2515		3558
2516	1	3559	1
2517	} or do {	3560	} or do {
2518	warn $@;	3561	warn $@;
2519	warn "error while reloading, exiting.";	3562	cf::cleanup "error while reloading, exiting.";
2520	exit 1;
2521	};	3563	};
2522		3564
2523	warn "reloaded";	3565	warn "reloaded";
2524	};	3566	};
2525		3567
2526	our $RELOAD_WATCHER; # used only during reload	3568	our $RELOAD_WATCHER; # used only during reload
2527		3569
		3570	sub reload_perl() {
		3571	# doing reload synchronously and two reloads happen back-to-back,
		3572	# coro crashes during coro_state_free->destroy here.
		3573
		3574	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3575	do_reload_perl;
		3576	undef $RELOAD_WATCHER;
		3577	};
		3578	}
		3579
2528	register_command "reload" => sub {	3580	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3581	my ($who, $arg) = @_;
2530		3582
2531	if ($who->flag (FLAG_WIZ)) {	3583	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3584	$who->message ("reloading server.");
2533		3585	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3586	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3587	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3588	};
2546	}	3589	}
2547	};	3590	};
2548		3591
2549	unshift @INC, $LIBDIR;	3592	unshift @INC, $LIBDIR;
2550		3593
2551	my $bug_warning = 0;	3594	my $bug_warning = 0;
2552		3595
2553	$TICK_WATCHER = Event->timer (	3596	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3597	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3598
2556	prio => 0,	3599	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3600	return unless $TICK_WATCHER->is_active;
2558	data => WF_AUTOCANCEL,	3601	return if $Coro::current == $Coro::main;
2559	cb => sub {	3602
		3603	my $signal = new Coro::Signal;
		3604	push @WAIT_FOR_TICK, $signal;
		3605	$signal->wait;
		3606	}
		3607
		3608	sub wait_for_tick_begin {
		3609	return unless $TICK_WATCHER->is_active;
		3610	return if $Coro::current == $Coro::main;
		3611
		3612	my $signal = new Coro::Signal;
		3613	push @WAIT_FOR_TICK_BEGIN, $signal;
		3614	$signal->wait;
		3615	}
		3616
		3617	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2560	if ($Coro::current != $Coro::main) {	3618	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3619	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3620	unless ++$bug_warning > 10;
2563	return;	3621	return;
2564	}	3622	}
2565		3623
2566	$NOW = Event::time;	3624	$NOW = $tick_start = EV::now;
2567		3625
2568	cf::server_tick; # one server iteration	3626	cf::server_tick; # one server iteration
		3627
2569	$RUNTIME += $TICK;	3628	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3629	$NEXT_TICK = $_[0]->at;
2571		3630
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3631	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3632	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	3633	Coro::async_pool {
		3634	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3635	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3636	or warn "ERROR: unable to write runtime file: $!";
2577	};
2578	}	3637	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	3638	}
2592	);	3639
		3640	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3641	$sig->send;
		3642	}
		3643	while (my $sig = shift @WAIT_FOR_TICK) {
		3644	$sig->send;
		3645	}
		3646
		3647	$LOAD = ($NOW - $tick_start) / $TICK;
		3648	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3649
		3650	_post_tick;
		3651	};
		3652	$TICK_WATCHER->priority (EV::MAXPRI);
2593		3653
2594	{	3654	{
2595	BDB::max_poll_time $TICK * 0.1;	3655	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	3656
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	3657	BDB::min_parallel 8;
2605		3658	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	3659	$Coro::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		3660
2621	unless ($DB_ENV) {	3661	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3662	$DB_ENV = BDB::db_env_create;
		3663	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3664	| BDB::LOG_AUTOREMOVE, 1);
		3665	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3666	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3667
2624	cf::sync_job {	3668	cf::sync_job {
2625	eval {	3669	eval {
2626	BDB::db_env_open	3670	BDB::db_env_open
2627	$DB_ENV,	3671	$DB_ENV,
2628	$BDB_ENV_DIR,	3672	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3673	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3674	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3675	0666;
2632		3676
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3677	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	3678	};
2638		3679
2639	cf::cleanup "db_env_open(db): $@" if $@;	3680	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3681	};
2641	}	3682	}
		3683
		3684	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3685	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3686	};
		3687	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3688	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3689	};
		3690	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3691	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3692	};
2642	}	3693	}
2643		3694
2644	{	3695	{
		3696	# configure IO::AIO
		3697
2645	IO::AIO::min_parallel 8;	3698	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	3699	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	3700	$Coro::AIO::WATCHER->priority (1);
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	3701	}
		3702
		3703	my $_log_backtrace;
		3704
		3705	sub _log_backtrace {
		3706	my ($msg, @addr) = @_;
		3707
		3708	$msg =~ s/\n//;
		3709
		3710	# limit the # of concurrent backtraces
		3711	if ($_log_backtrace < 2) {
		3712	++$_log_backtrace;
		3713	async {
		3714	$Coro::current->{desc} = "abt $msg";
		3715
		3716	my @bt = fork_call {
		3717	@addr = map { sprintf "%x", $_ } @addr;
		3718	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3719	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3720	or die "addr2line: $!";
		3721
		3722	my @funcs;
		3723	my @res = <$fh>;
		3724	chomp for @res;
		3725	while (@res) {
		3726	my ($func, $line) = splice @res, 0, 2, ();
		3727	push @funcs, "[$func] $line";
		3728	}
		3729
		3730	@funcs
		3731	};
		3732
		3733	LOG llevInfo, "[ABT] $msg\n";
		3734	LOG llevInfo, "[ABT] $_\n" for @bt;
		3735	--$_log_backtrace;
		3736	};
		3737	} else {
		3738	LOG llevInfo, "[ABT] $msg\n";
		3739	LOG llevInfo, "[ABT] [suppressed]\n";
		3740	}
		3741	}
		3742
		3743	# load additional modules
		3744	use cf::pod;
2658		3745
2659	END { cf::emergency_save }	3746	END { cf::emergency_save }
2660		3747
2661	1	3748	1
2662		3749

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