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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.401 by root, Mon Dec 17 06:45:53 2007 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;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.3 ();	15	use Coro 4.32 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
19		26
		27	use JSON::XS 2.01 ();
		28	use BDB ();
20	use Data::Dumper;	29	use Data::Dumper;
21	use Digest::MD5;	30	use Digest::MD5;
22	use Fcntl;	31	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	32	use YAML::Syck ();
		33	use IO::AIO 2.51 ();
25	use Time::HiRes;	34	use Time::HiRes;
		35	use Compress::LZF;
		36	use Digest::MD5 ();
26		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	# configure various modules to our taste
28		39	#
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	40	$Storable::canonical = 1; # reduce rsync transfers
		41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	79	our $NEXT_TICK;
52	our $NOW;	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
		81
		82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
		86	our $DB_ENV;
53		87
54	our %CFG;	88	our %CFG;
55		89
56	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	91	our $RUNTIME;
		92	our $NOW;
58		93
59	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		97
67	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
		104
70	binmode STDOUT;	105	binmode STDOUT;
71	binmode STDERR;	106	binmode STDERR;
72		107
73	# read virtual server time, if available	108	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
78	}	113	}
79		114
80	mkdir cf::localdir;	115	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		117
86	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
		119
		120	sub cf::map::normalise;
87		121
88	#############################################################################	122	#############################################################################
89		123
90	=head2 GLOBAL VARIABLES	124	=head2 GLOBAL VARIABLES
91		125
…		…
98	=item $cf::RUNTIME	132	=item $cf::RUNTIME
99		133
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	134	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	135	every server tick.
102		136
103	=item $cf::LIBDIR	137	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		138	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		139	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		140
105	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		143	unique-items directory, player file directory, random maps directory and
		144	database environment.
107		145
108	=item $cf::NOW	146	=item $cf::NOW
109		147
110	The time of the last (current) server tick.	148	The time of the last (current) server tick.
111		149
112	=item $cf::TICK	150	=item $cf::TICK
113		151
114	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
115		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
		163
116	=item %cf::CFG	164	=item %cf::CFG
117		165
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	167	from wherever your confdir points to.
120		168
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		170
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	172	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
127		180
128	=back	181	=back
129		182
130	=cut	183	=cut
131		184
132	BEGIN {	185	BEGIN {
133	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	187	my $msg = join "", @_;
135	utf8::encode $msg;
136		188
137	$msg .= "\n"	189	$msg .= "\n"
138	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139		193
140	LOG llevError, $msg;	194	LOG llevError, $msg;
141	};	195	};
142	}	196	}
143		197
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		205
151	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	207	# within the Safe compartment.
153	for my $pkg (qw(	208	for my $pkg (qw(
154	cf::global cf::attachable	209	cf::global cf::attachable
…		…
159	)) {	214	)) {
160	no strict 'refs';	215	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	217	}
163		218
164	$Event::DIED = sub {	219	$EV::DIED = sub {
165	warn "error in event callback: @_";	220	warn "error in event callback: @_";
166	};	221	};
		222
		223	#############################################################################
167		224
168	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
169		226
170	=over 4	227	=over 4
171		228
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	248	$d
192	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
193	}	250	}
194		251
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	252	=item $ref = cf::decode_json $json
198		253
199	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
200		255
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	256	=item $json = cf::encode_json $ref
209		257
210	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
211		259
212	=cut	260	=cut
213		261
214	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
216	JSON::Syck::Dump $_[0]	264	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	265	sub decode_json($) { $json_coder->decode ($_[0]) }
218		266
219	=item cf::lock_wait $string	267	=item cf::lock_wait $string
220		268
221	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
222		270
…		…
225	Wait until the given lock is available and then acquires it and returns	273	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
228	returned.	276	returned.
229		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
230	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
232		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
233	=cut	288	=cut
234		289
235	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
236		292
237	sub lock_wait($) {	293	sub lock_wait($) {
238	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
239		300
240	# wait for lock, if any	301	# wait for lock, if any
241	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	304	Coro::schedule;
…		…
249		310
250	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
251	lock_wait $key;	312	lock_wait $key;
252		313
253	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
254		316
255	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
258	}	321	}
259	}	322	}
260		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
		328	}
		329
261	sub freeze_mainloop {	330	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
263		332
264	my $guard = Coro::guard {	333	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	334	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	335	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
270	$guard	337	$guard
		338	}
		339
		340	=item cf::periodic $interval, $cb
		341
		342	Like EV::periodic, but randomly selects a starting point so that the actions
		343	get spread over timer.
		344
		345	=cut
		346
		347	sub periodic($$) {
		348	my ($interval, $cb) = @_;
		349
		350	my $start = rand List::Util::min 180, $interval;
		351
		352	EV::periodic $start, $interval, 0, $cb
		353	}
		354
		355	=item cf::get_slot $time[, $priority[, $name]]
		356
		357	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		358	This call blocks and returns only when you have at least C<$time> seconds
		359	of cpu time till the next tick. The slot is only valid till the next cede.
		360
		361	The optional C<$name> can be used to identify the job to run. It might be
		362	used for statistical purposes and should identify the same time-class.
		363
		364	Useful for short background jobs.
		365
		366	=cut
		367
		368	our @SLOT_QUEUE;
		369	our $SLOT_QUEUE;
		370
		371	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		372	$SLOT_QUEUE = Coro::async {
		373	$Coro::current->desc ("timeslot manager");
		374
		375	my $signal = new Coro::Signal;
		376
		377	while () {
		378	next_job:
		379	my $avail = cf::till_tick;
		380	if ($avail > 0.01) {
		381	for (0 .. $#SLOT_QUEUE) {
		382	if ($SLOT_QUEUE[$_][0] < $avail) {
		383	my $job = splice @SLOT_QUEUE, $_, 1, ();
		384	$job->[2]->send;
		385	Coro::cede;
		386	goto next_job;
		387	}
		388	}
		389	}
		390
		391	if (@SLOT_QUEUE) {
		392	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		393	push @cf::WAIT_FOR_TICK, $signal;
		394	$signal->wait;
		395	} else {
		396	Coro::schedule;
		397	}
		398	}
		399	};
		400
		401	sub get_slot($;$$) {
		402	my ($time, $pri, $name) = @_;
		403
		404	$time = $TICK * .6 if $time > $TICK * .6;
		405	my $sig = new Coro::Signal;
		406
		407	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		408	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		409	$SLOT_QUEUE->ready;
		410	$sig->wait;
271	}	411	}
272		412
273	=item cf::async { BLOCK }	413	=item cf::async { BLOCK }
274		414
275	Currently the same as Coro::async_pool, meaning you cannot use	415	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		420
281	BEGIN { *async = \&Coro::async_pool }	421	BEGIN { *async = \&Coro::async_pool }
282		422
283	=item cf::sync_job { BLOCK }	423	=item cf::sync_job { BLOCK }
284		424
285	The design of crossfire+ requires that the main coro ($Coro::main) is	425	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	426	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	427	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		428	acceptable.
288		429
289	If it must be done, put the blocking parts into C<sync_job>. This will run	430	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	431	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	432	server will be frozen during this time, so the block should either finish
292	fast or be very important.	433	fast or be very important.
…		…
295		436
296	sub sync_job(&) {	437	sub sync_job(&) {
297	my ($job) = @_;	438	my ($job) = @_;
298		439
299	if ($Coro::current == $Coro::main) {	440	if ($Coro::current == $Coro::main) {
		441	my $time = EV::time;
		442
300	# this is the main coro, too bad, we have to block	443	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	444	# till the operation succeeds, freezing the server :/
302		445
		446	LOG llevError, Carp::longmess "sync job";#d#
		447
303	# TODO: use suspend/resume instead	448	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	449	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	450	my $freeze_guard = freeze_mainloop;
306		451
307	my $busy = 1;	452	my $busy = 1;
308	my @res;	453	my @res;
309		454
310	(async {	455	(async {
		456	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	457	@res = eval { $job->() };
312	warn $@ if $@;	458	warn $@ if $@;
313	undef $busy;	459	undef $busy;
314	})->prio (Coro::PRIO_MAX);	460	})->prio (Coro::PRIO_MAX);
315		461
316	while ($busy) {	462	while ($busy) {
317	Coro::cede or Event::one_event;	463	if (Coro::nready) {
		464	Coro::cede_notself;
		465	} else {
		466	EV::loop EV::LOOP_ONESHOT;
318	}	467	}
		468	}
		469
		470	$time = EV::time - $time;
		471
		472	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		473	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		474
		475	$tick_start += $time; # do not account sync jobs to server load
319		476
320	wantarray ? @res : $res[0]	477	wantarray ? @res : $res[0]
321	} else {	478	} else {
322	# we are in another coroutine, how wonderful, everything just works	479	# we are in another coroutine, how wonderful, everything just works
323		480
…		…
343	$EXT_CORO{$coro+0} = $coro;	500	$EXT_CORO{$coro+0} = $coro;
344		501
345	$coro	502	$coro
346	}	503	}
347		504
348	sub write_runtime {	505	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		506
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	507	Executes the given code block with the given arguments in a seperate
352	or return;	508	process, returning the results. Everything must be serialisable with
		509	Coro::Storable. May, of course, block. Note that the executed sub may
		510	never block itself or use any form of event handling.
353		511
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	512	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		513
358	aio_fsync $fh	514	sub fork_call(&@) {
359	and return;	515	my ($cb, @args) = @_;
360		516
361	close $fh	517	# we seemingly have to make a local copy of the whole thing,
362	or return;	518	# otherwise perl prematurely frees the stuff :/
		519	# TODO: investigate and fix (likely this will be rather laborious)
363		520
364	aio_rename "$runtime~", $runtime	521	my @res = Coro::Util::fork_eval {
365	and return;	522	reset_signals;
		523	&$cb
		524	}, @args;
366		525
		526	wantarray ? @res : $res[-1]
		527	}
		528
		529	=item $value = cf::db_get $family => $key
		530
		531	Returns a single value from the environment database.
		532
		533	=item cf::db_put $family => $key => $value
		534
		535	Stores the given C<$value> in the family. It can currently store binary
		536	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		537
		538	=item $db = cf::db_table "name"
		539
		540	Create and/or open a new database table. The string must not be "db" and must be unique
		541	within each server.
		542
		543	=cut
		544
		545	sub db_table($) {
		546	my ($name) = @_;
		547	my $db = BDB::db_create $DB_ENV;
		548
		549	eval {
		550	$db->set_flags (BDB::CHKSUM);
		551
		552	utf8::encode $name;
		553	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		554	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		555	cf::cleanup "db_open(db): $!" if $!;
		556	};
		557	cf::cleanup "db_open(db): $@" if $@;
		558
		559	$db
		560	}
		561
		562	our $DB;
		563
		564	sub db_init {
		565	cf::sync_job {
		566	$DB ||= db_table "db";
		567	};
		568	}
		569
		570	sub db_get($$) {
		571	my $key = "$_[0]/$_[1]";
		572
		573	cf::sync_job {
		574	BDB::db_get $DB, undef, $key, my $data;
		575
		576	$! ? ()
		577	: $data
367	1	578	}
		579	}
		580
		581	sub db_put($$$) {
		582	BDB::dbreq_pri 4;
		583	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		584	}
		585
		586	=item cf::cache $id => [$paths...], $processversion => $process
		587
		588	Generic caching function that returns the value of the resource $id,
		589	caching and regenerating as required.
		590
		591	This function can block.
		592
		593	=cut
		594
		595	sub cache {
		596	my ($id, $src, $processversion, $process) = @_;
		597
		598	my $meta =
		599	join "\x00",
		600	$processversion,
		601	map {
		602	aio_stat $_
		603	and Carp::croak "$_: $!";
		604
		605	($_, (stat _)[7,9])
		606	} @$src;
		607
		608	my $dbmeta = db_get cache => "$id/meta";
		609	if ($dbmeta ne $meta) {
		610	# changed, we may need to process
		611
		612	my @data;
		613	my $md5;
		614
		615	for (0 .. $#$src) {
		616	0 <= aio_load $src->[$_], $data[$_]
		617	or Carp::croak "$src->[$_]: $!";
		618	}
		619
		620	# if processing is expensive, check
		621	# checksum first
		622	if (1) {
		623	$md5 =
		624	join "\x00",
		625	$processversion,
		626	map {
		627	cf::cede_to_tick;
		628	($src->[$_], Digest::MD5::md5_hex $data[$_])
		629	} 0.. $#$src;
		630
		631
		632	my $dbmd5 = db_get cache => "$id/md5";
		633	if ($dbmd5 eq $md5) {
		634	db_put cache => "$id/meta", $meta;
		635
		636	return db_get cache => "$id/data";
		637	}
		638	}
		639
		640	my $t1 = Time::HiRes::time;
		641	my $data = $process->(\@data);
		642	my $t2 = Time::HiRes::time;
		643
		644	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		645
		646	db_put cache => "$id/data", $data;
		647	db_put cache => "$id/md5" , $md5;
		648	db_put cache => "$id/meta", $meta;
		649
		650	return $data;
		651	}
		652
		653	db_get cache => "$id/data"
		654	}
		655
		656	=item cf::datalog type => key => value, ...
		657
		658	Log a datalog packet of the given type with the given key-value pairs.
		659
		660	=cut
		661
		662	sub datalog($@) {
		663	my ($type, %kv) = @_;
		664	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	665	}
369		666
370	=back	667	=back
371		668
372	=cut	669	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	676	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	677	to it. All such attachable objects support the following methods.
381		678
382	In the following description, CLASS can be any of C<global>, C<object>	679	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	680	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	681	Deliantra).
385		682
386	=over 4	683	=over 4
387		684
388	=item $attachable->attach ($attachment, key => $value...)	685	=item $attachable->attach ($attachment, key => $value...)
389		686
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	800	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	801	our @CB_MAP = ();
505		802
506	my %attachment;	803	my %attachment;
507		804
		805	sub cf::attachable::thawer_merge {
		806	# simply override everything except _meta
		807	local $_[0]{_meta};
		808	%{$_[0]} = %{$_[1]};
		809	}
		810
508	sub _attach_cb($$$$) {	811	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	812	my ($registry, $event, $prio, $cb) = @_;
510		813
511	use sort 'stable';	814	use sort 'stable';
512		815
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	849	$registry = $CB_TYPE[$object_type] ||= [];
547		850
548	} elsif ($type eq "subtype") {	851	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	852	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	853	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	854	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		855
553	} elsif ($type eq "package") {	856	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	857	my $pkg = shift @arg;
555		858
556	while (my ($name, $id) = each %cb_id) {	859	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	888	_attach $registry, $klass, @attach;
586	}	889	}
587		890
588	$obj->{$name} = \%arg;	891	$obj->{$name} = \%arg;
589	} else {	892	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	893	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	894	}
592		895
593	$obj->{_attachment}{$name} = undef;	896	$obj->{_attachment}{$name} = undef;
594	}	897	}
595		898
…		…
597	if (ref $_[0]) {	900	if (ref $_[0]) {
598	_object_attach @_;	901	_object_attach @_;
599	} else {	902	} else {
600	_attach shift->_attach_registry, @_;	903	_attach shift->_attach_registry, @_;
601	}	904	}
		905	_recalc_want;
602	};	906	};
603		907
604	# all those should be optimised	908	# all those should be optimised
605	sub cf::attachable::detach {	909	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	910	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	913	delete $obj->{_attachment}{$name};
610	reattach ($obj);	914	reattach ($obj);
611	} else {	915	} else {
612	Carp::croak "cannot, currently, detach class attachments";	916	Carp::croak "cannot, currently, detach class attachments";
613	}	917	}
		918	_recalc_want;
614	};	919	};
615		920
616	sub cf::attachable::attached {	921	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	922	my ($obj, $name) = @_;
618		923
…		…
633	";	938	";
634	die if $@;	939	die if $@;
635	}	940	}
636		941
637	our $override;	942	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	943	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		944
640	sub override {	945	sub override {
641	$override = 1;	946	$override = 1;
642	@invoke_results = ();	947	@INVOKE_RESULTS = (@_);
643	}	948	}
644		949
645	sub do_invoke {	950	sub do_invoke {
646	my $event = shift;	951	my $event = shift;
647	my $callbacks = shift;	952	my $callbacks = shift;
648		953
649	@invoke_results = ();	954	@INVOKE_RESULTS = ();
650		955
651	local $override;	956	local $override;
652		957
653	for (@$callbacks) {	958	for (@$callbacks) {
654	eval { &{$_->[1]} };	959	eval { &{$_->[1]} };
…		…
671		976
672	Generate an object-specific event with the given arguments.	977	Generate an object-specific event with the given arguments.
673		978
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	979	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	980	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	981	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		982
678	=back	983	=back
679		984
680	=cut	985	=cut
681		986
682	#############################################################################	987	#############################################################################
683	# object support	988	# object support
		989
		990	sub _object_equal($$);
		991	sub _object_equal($$) {
		992	my ($a, $b) = @_;
		993
		994	return 0 unless (ref $a) eq (ref $b);
		995
		996	if ("HASH" eq ref $a) {
		997	my @ka = keys %$a;
		998	my @kb = keys %$b;
		999
		1000	return 0 if @ka != @kb;
		1001
		1002	for (0 .. $#ka) {
		1003	return 0 unless $ka[$_] eq $kb[$_];
		1004	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1005	}
		1006
		1007	} elsif ("ARRAY" eq ref $a) {
		1008
		1009	return 0 if @$a != @$b;
		1010
		1011	for (0 .. $#$a) {
		1012	return 0 unless _object_equal $a->[$_], $b->[$_];
		1013	}
		1014
		1015	} elsif ($a ne $b) {
		1016	return 0;
		1017	}
		1018
		1019	1
		1020	}
		1021
		1022	our $SLOW_MERGES;#d#
		1023	sub _can_merge {
		1024	my ($ob1, $ob2) = @_;
		1025
		1026	++$SLOW_MERGES;#d#
		1027
		1028	# we do the slow way here
		1029	return _object_equal $ob1, $ob2
		1030	}
684		1031
685	sub reattach {	1032	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1033	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1034	my ($obj) = @_;
		1035
		1036	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		1037
689	my $registry = $obj->registry;	1038	my $registry = $obj->registry;
690		1039
691	@$registry = ();	1040	@$registry = ();
692		1041
…		…
707	cf::attachable->attach (	1056	cf::attachable->attach (
708	prio => -1000000,	1057	prio => -1000000,
709	on_instantiate => sub {	1058	on_instantiate => sub {
710	my ($obj, $data) = @_;	1059	my ($obj, $data) = @_;
711		1060
712	$data = from_json $data;	1061	$data = decode_json $data;
713		1062
714	for (@$data) {	1063	for (@$data) {
715	my ($name, $args) = @$_;	1064	my ($name, $args) = @$_;
716		1065
717	$obj->attach ($name, %{$args || {} });	1066	$obj->attach ($name, %{$args || {} });
…		…
733	sub object_freezer_save {	1082	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1083	my ($filename, $rdata, $objs) = @_;
735		1084
736	sync_job {	1085	sync_job {
737	if (length $$rdata) {	1086	if (length $$rdata) {
		1087	utf8::decode (my $decname = $filename);
738	warn sprintf "saving %s (%d,%d)\n",	1088	warn sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1089	$decname, length $$rdata, scalar @$objs;
740		1090
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1091	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1092	chmod SAVE_MODE, $fh;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1093	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
744	aio_fsync $fh;	1094	aio_fsync $fh if $cf::USE_FSYNC;
745	close $fh;	1095	close $fh;
746		1096
747	if (@$objs) {	1097	if (@$objs) {
748	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1098	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
749	chmod SAVE_MODE, $fh;	1099	chmod SAVE_MODE, $fh;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1100	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1101	aio_write $fh, 0, (length $data), $data, 0;
752	aio_fsync $fh;	1102	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1103	close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1104	aio_rename "$filename.pst~", "$filename.pst";
755	}	1105	}
756	} else {	1106	} else {
757	aio_unlink "$filename.pst";	1107	aio_unlink "$filename.pst";
…		…
763	}	1113	}
764	} else {	1114	} else {
765	aio_unlink $filename;	1115	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1116	aio_unlink "$filename.pst";
767	}	1117	}
768	}	1118	};
769	}	1119	}
770		1120
771	sub object_freezer_as_string {	1121	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1122	my ($rdata, $objs) = @_;
773		1123
…		…
785	or return;	1135	or return;
786		1136
787	unless (aio_stat "$filename.pst") {	1137	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1138	(aio_load "$filename.pst", $av) >= 0
789	or return;	1139	or return;
		1140
790	$av = eval { (Storable::thaw $av)->{objs} };	1141	my $st = eval { Coro::Storable::thaw $av };
		1142	$av = $st->{objs};
791	}	1143	}
792		1144
		1145	utf8::decode (my $decname = $filename);
793	warn sprintf "loading %s (%d)\n",	1146	warn sprintf "loading %s (%d,%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1147	$decname, length $data, scalar @{$av || []};
		1148
795	return ($data, $av);	1149	($data, $av)
796	}	1150	}
		1151
		1152	=head2 COMMAND CALLBACKS
		1153
		1154	=over 4
		1155
		1156	=cut
797		1157
798	#############################################################################	1158	#############################################################################
799	# command handling &c	1159	# command handling &c
800		1160
801	=item cf::register_command $name => \&callback($ob,$args);	1161	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1174	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1175	}
816		1176
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1177	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1178
819	Register a callbackf ro execution when the client sends an extcmd packet.	1179	Register a callback for execution when the client sends an (synchronous)
		1180	extcmd packet. Ext commands will be processed in the order they are
		1181	received by the server, like other user commands. The first argument is
		1182	the logged-in player. Ext commands can only be processed after a player
		1183	has logged in successfully.
820		1184
821	If the callback returns something, it is sent back as if reply was being	1185	If the callback returns something, it is sent back as if reply was being
822	called.	1186	called.
823		1187
		1188	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1189
		1190	Register a callback for execution when the client sends an (asynchronous)
		1191	exticmd packet. Exti commands are processed by the server as soon as they
		1192	are received, i.e. out of order w.r.t. other commands. The first argument
		1193	is a client socket. Exti commands can be received anytime, even before
		1194	log-in.
		1195
		1196	If the callback returns something, it is sent back as if reply was being
		1197	called.
		1198
824	=cut	1199	=cut
825		1200
826	sub register_extcmd {	1201	sub register_extcmd {
827	my ($name, $cb) = @_;	1202	my ($name, $cb) = @_;
828		1203
829	$EXTCMD{$name} = $cb;	1204	$EXTCMD{$name} = $cb;
		1205	}
		1206
		1207	sub register_exticmd {
		1208	my ($name, $cb) = @_;
		1209
		1210	$EXTICMD{$name} = $cb;
830	}	1211	}
831		1212
832	cf::player->attach (	1213	cf::player->attach (
833	on_command => sub {	1214	on_command => sub {
834	my ($pl, $name, $params) = @_;	1215	my ($pl, $name, $params) = @_;
…		…
843	cf::override;	1224	cf::override;
844	},	1225	},
845	on_extcmd => sub {	1226	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1227	my ($pl, $buf) = @_;
847		1228
848	my $msg = eval { from_json $buf };	1229	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1230
850	if (ref $msg) {	1231	if (ref $msg) {
		1232	my ($type, $reply, @payload) =
		1233	"ARRAY" eq ref $msg
		1234	? @$msg
		1235	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1236
		1237	my @reply;
		1238
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1239	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1240	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1241	}
		1242
		1243	$pl->ext_reply ($reply, @reply)
		1244	if $reply;
		1245
856	} else {	1246	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1247	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1248	}
859		1249
860	cf::override;	1250	cf::override;
861	},	1251	},
862	);	1252	);
863		1253
864	sub load_extension {
865	my ($path) = @_;
866
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
868	my $base = $1;
869	my $pkg = $1;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}
892	die $@;
893	}
894
895	push @EXTS, $pkg;
896	}
897
898	sub load_extensions {	1254	sub load_extensions {
		1255	cf::sync_job {
		1256	my %todo;
		1257
899	for my $ext (<$LIBDIR/*.ext>) {	1258	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1259	next unless -r $path;
901	eval {	1260
902	load_extension $ext;	1261	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1262	my $base = $1;
		1263	my $pkg = $1;
		1264	$pkg =~ s/[^[:word:]]/_/g;
		1265	$pkg = "ext::$pkg";
		1266
		1267	open my $fh, "<:utf8", $path
		1268	or die "$path: $!";
		1269
		1270	my $source = do { local $/; <$fh> };
		1271
		1272	my %ext = (
		1273	path => $path,
		1274	base => $base,
		1275	pkg => $pkg,
		1276	);
		1277
		1278	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1279	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1280
		1281	$ext{source} =
		1282	"package $pkg; use strict; use utf8;\n"
		1283	. "#line 1 \"$path\"\n{\n"
		1284	. $source
		1285	. "\n};\n1";
		1286
		1287	$todo{$base} = \%ext;
		1288	}
		1289
		1290	my %done;
		1291	while (%todo) {
		1292	my $progress;
		1293
		1294	while (my ($k, $v) = each %todo) {
		1295	for (split /,\s*/, $v->{meta}{depends}) {
		1296	goto skip
		1297	unless exists $done{$_};
		1298	}
		1299
		1300	warn "... loading '$k' into '$v->{pkg}'\n";
		1301
		1302	unless (eval $v->{source}) {
		1303	my $msg = $@ ? "$v->{path}: $@\n"
		1304	: "$v->{base}: extension inactive.\n";
		1305
		1306	if (exists $v->{meta}{mandatory}) {
		1307	warn $msg;
		1308	warn "mandatory extension failed to load, exiting.\n";
		1309	exit 1;
		1310	}
		1311
		1312	warn $msg;
		1313	}
		1314
		1315	$done{$k} = delete $todo{$k};
		1316	push @EXTS, $v->{pkg};
		1317	$progress = 1;
903	1	1318	}
904	} or warn "$ext not loaded: $@";	1319
		1320	skip:
		1321	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1322	unless $progress;
		1323	}
905	}	1324	};
906	}	1325	}
907		1326
908	#############################################################################	1327	#############################################################################
909		1328
		1329	=back
		1330
910	=head2 CORE EXTENSIONS	1331	=head2 CORE EXTENSIONS
911		1332
912	Functions and methods that extend core crossfire objects.	1333	Functions and methods that extend core crossfire objects.
913		1334
914	=cut	1335	=cut
…		…
919		1340
920	=head3 cf::player	1341	=head3 cf::player
921		1342
922	=over 4	1343	=over 4
923		1344
		1345	=item cf::player::num_playing
		1346
		1347	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1348
		1349	=cut
		1350
		1351	sub num_playing {
		1352	scalar grep
		1353	$_->ob->map
		1354	&& !$_->hidden
		1355	&& !$_->ob->flag (cf::FLAG_WIZ),
		1356	cf::player::list
		1357	}
		1358
924	=item cf::player::find $login	1359	=item cf::player::find $login
925		1360
926	Returns the given player object, loading it if necessary (might block).	1361	Returns the given player object, loading it if necessary (might block).
927		1362
928	=cut	1363	=cut
929		1364
930	sub playerdir($) {	1365	sub playerdir($) {
931	cf::localdir	1366	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1367	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1368	}
937		1369
938	sub path($) {	1370	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1371	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1372
941	(playerdir $login) . "/$login.pl"	1373	(playerdir $login) . "/playerdata"
942	}	1374	}
943		1375
944	sub find_active($) {	1376	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1377	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1378	and $cf::PLAYER{$_[0]}->active
…		…
949		1381
950	sub exists($) {	1382	sub exists($) {
951	my ($login) = @_;	1383	my ($login) = @_;
952		1384
953	$cf::PLAYER{$login}	1385	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1386	or cf::sync_job { !aio_stat path $login }
955	}	1387	}
956		1388
957	sub find($) {	1389	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1390	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1391	my $login = $_[0];
960		1392
961	my $guard = cf::lock_acquire "user_find:$login";	1393	my $guard = cf::lock_acquire "user_find:$login";
962		1394
963	$cf::PLAYER{$_[0]} || do {	1395	$cf::PLAYER{$_[0]} || do {
964	my $pl = load_pl path $login	1396	# rename old playerfiles to new ones
		1397	#TODO: remove when no longer required
		1398	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1399	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1400	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1401	aio_unlink +(playerdir $login) . "/$login.pl";
		1402
		1403	my $f = new_from_file cf::object::thawer path $login
965	or return;	1404	or return;
		1405
		1406	my $pl = cf::player::load_pl $f
		1407	or return;
		1408	local $cf::PLAYER_LOADING{$login} = $pl;
		1409	$f->resolve_delayed_derefs;
966	$cf::PLAYER{$login} = $pl	1410	$cf::PLAYER{$login} = $pl
967	}	1411	}
968	}	1412	}
969	}	1413	}
970		1414
…		…
980		1424
981	aio_mkdir playerdir $pl, 0770;	1425	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1426	$pl->{last_save} = $cf::RUNTIME;
983		1427
984	$pl->save_pl ($path);	1428	$pl->save_pl ($path);
985	Coro::cede;	1429	cf::cede_to_tick;
986	}	1430	}
987		1431
988	sub new($) {	1432	sub new($) {
989	my ($login) = @_;	1433	my ($login) = @_;
990		1434
…		…
996	$cf::PLAYER{$login} = $self;	1440	$cf::PLAYER{$login} = $self;
997		1441
998	$self	1442	$self
999	}	1443	}
1000		1444
		1445	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1446
		1447	=cut
		1448
		1449	sub send_msg {
		1450	my $ns = shift->ns
		1451	or return;
		1452	$ns->send_msg (@_);
		1453	}
		1454
1001	=item $pl->quit_character	1455	=item $pl->quit_character
1002		1456
1003	Nukes the player without looking back. If logged in, the connection will	1457	Nukes the player without looking back. If logged in, the connection will
1004	be destroyed. May block for a long time.	1458	be destroyed. May block for a long time.
1005		1459
1006	=cut	1460	=cut
1007		1461
1008	sub quit_character {	1462	sub quit_character {
1009	my ($pl) = @_;	1463	my ($pl) = @_;
		1464
		1465	my $name = $pl->ob->name;
1010		1466
1011	$pl->{deny_save} = 1;	1467	$pl->{deny_save} = 1;
1012	$pl->password ("*"); # this should lock out the player until we nuked the dir	1468	$pl->password ("*"); # this should lock out the player until we nuked the dir
1013		1469
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1470	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1019	my $path = playerdir $pl;	1475	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1476	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1477	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1478	delete $cf::PLAYER{$pl->ob->name};
1023	$pl->destroy;	1479	$pl->destroy;
		1480
		1481	my $prefix = qr<^~\Q$name\E/>;
		1482
		1483	# nuke player maps
		1484	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1485
1024	IO::AIO::aio_rmtree $temp;	1486	IO::AIO::aio_rmtree $temp;
		1487	}
		1488
		1489	=item $pl->kick
		1490
		1491	Kicks a player out of the game. This destroys the connection.
		1492
		1493	=cut
		1494
		1495	sub kick {
		1496	my ($pl, $kicker) = @_;
		1497
		1498	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1499	$pl->killer ("kicked");
		1500	$pl->ns->destroy;
1025	}	1501	}
1026		1502
1027	=item cf::player::list_logins	1503	=item cf::player::list_logins
1028		1504
1029	Returns am arrayref of all valid playernames in the system, can take a	1505	Returns am arrayref of all valid playernames in the system, can take a
1030	while and may block, so not sync_job-capable, ever.	1506	while and may block, so not sync_job-capable, ever.
1031		1507
1032	=cut	1508	=cut
1033		1509
1034	sub list_logins {	1510	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1511	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1512	or return [];
1037		1513
1038	my @logins;	1514	my @logins;
1039		1515
1040	for my $login (@$dirs) {	1516	for my $login (@$dirs) {
		1517	my $path = path $login;
		1518
		1519	# a .pst is a dead give-away for a valid player
		1520	unless (-e "$path.pst") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1521	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1522	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1523	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1524	}
1044		1525
1045	utf8::decode $login;	1526	utf8::decode $login;
1046	push @logins, $login;	1527	push @logins, $login;
1047	}	1528	}
1048		1529
…		…
1056		1537
1057	=cut	1538	=cut
1058		1539
1059	sub maps($) {	1540	sub maps($) {
1060	my ($pl) = @_;	1541	my ($pl) = @_;
		1542
		1543	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1544
1062	my $files = aio_readdir playerdir $pl	1545	my $files = aio_readdir playerdir $pl
1063	or return;	1546	or return;
1064		1547
1065	my @paths;	1548	my @paths;
…		…
1067	for (@$files) {	1550	for (@$files) {
1068	utf8::decode $_;	1551	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1552	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1553	next unless /^$PATH_SEP/o;
1071		1554
1072	s/\.map$//;	1555	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1556	}
1075		1557
1076	\@paths	1558	\@paths
1077	}	1559	}
1078		1560
		1561	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1562
		1563	Expand crossfire pod fragments into protocol xml.
		1564
		1565	=cut
		1566
		1567	use re 'eval';
		1568
		1569	my $group;
		1570	my $interior; $interior = qr{
		1571	# match a pod interior sequence sans C<< >>
		1572	(?:
		1573	\ (.*?)\ (?{ $group = $^N })
		1574	| < (??{$interior}) >
		1575	)
		1576	}x;
		1577
		1578	sub expand_cfpod {
		1579	my ($self, $pod) = @_;
		1580
		1581	my $xml;
		1582
		1583	while () {
		1584	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1585	$group = $1;
		1586
		1587	$group =~ s/&/&amp;/g;
		1588	$group =~ s/</&lt;/g;
		1589
		1590	$xml .= $group;
		1591	} elsif ($pod =~ m%\G
		1592	([BCGHITU])
		1593	<
		1594	(?:
		1595	([^<>]*) (?{ $group = $^N })
		1596	| < $interior >
		1597	)
		1598	>
		1599	%gcsx
		1600	) {
		1601	my ($code, $data) = ($1, $group);
		1602
		1603	if ($code eq "B") {
		1604	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1605	} elsif ($code eq "I") {
		1606	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1607	} elsif ($code eq "U") {
		1608	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1609	} elsif ($code eq "C") {
		1610	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1611	} elsif ($code eq "T") {
		1612	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1613	} elsif ($code eq "G") {
		1614	my ($male, $female) = split /\|/, $data;
		1615	$data = $self->gender ? $female : $male;
		1616	$xml .= expand_cfpod ($self, $data);
		1617	} elsif ($code eq "H") {
		1618	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1619	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1620	"")
		1621	[$self->{hintmode}];
		1622	} else {
		1623	$xml .= "error processing '$code($data)' directive";
		1624	}
		1625	} else {
		1626	if ($pod =~ /\G(.+)/) {
		1627	warn "parse error while expanding $pod (at $1)";
		1628	}
		1629	last;
		1630	}
		1631	}
		1632
		1633	for ($xml) {
		1634	# create single paragraphs (very hackish)
		1635	s/(?<=\S)\n(?=\w)/ /g;
		1636
		1637	# compress some whitespace
		1638	s/\s+\n/\n/g; # ws line-ends
		1639	s/\n\n+/\n/g; # double lines
		1640	s/^\n+//; # beginning lines
		1641	s/\n+$//; # ending lines
		1642	}
		1643
		1644	$xml
		1645	}
		1646
		1647	no re 'eval';
		1648
		1649	sub hintmode {
		1650	$_[0]{hintmode} = $_[1] if @_ > 1;
		1651	$_[0]{hintmode}
		1652	}
		1653
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1080		1655
1081	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1082		1657
1083	=cut	1658	=cut
1084		1659
1085	sub ext_reply($$$%) {	1660	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1087		1662
1088	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1664	}
1092		1665
1093	package cf;	1666	=item $player->ext_msg ($type, @msg)
		1667
		1668	Sends an ext event to the client.
		1669
		1670	=cut
		1671
		1672	sub ext_msg($$@) {
		1673	my ($self, $type, @msg) = @_;
		1674
		1675	$self->ns->ext_msg ($type, @msg);
		1676	}
		1677
		1678	=head3 cf::region
		1679
		1680	=over 4
		1681
		1682	=cut
		1683
		1684	package cf::region;
		1685
		1686	=item cf::region::find_by_path $path
		1687
		1688	Tries to decuce the likely region for a map knowing only its path.
		1689
		1690	=cut
		1691
		1692	sub find_by_path($) {
		1693	my ($path) = @_;
		1694
		1695	my ($match, $specificity);
		1696
		1697	for my $region (list) {
		1698	if ($region->{match} && $path =~ $region->{match}) {
		1699	($match, $specificity) = ($region, $region->specificity)
		1700	if $region->specificity > $specificity;
		1701	}
		1702	}
		1703
		1704	$match
		1705	}
1094		1706
1095	=back	1707	=back
1096
1097		1708
1098	=head3 cf::map	1709	=head3 cf::map
1099		1710
1100	=over 4	1711	=over 4
1101		1712
…		…
1105		1716
1106	use Fcntl;	1717	use Fcntl;
1107	use Coro::AIO;	1718	use Coro::AIO;
1108		1719
1109	use overload	1720	use overload
1110	'""' => \&as_string;	1721	'""' => \&as_string,
		1722	fallback => 1;
1111		1723
1112	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1114		1726
1115	sub generate_random_map {	1727	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1728	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1730	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1740	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1741	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1742	)
1132	}	1743	}
1133		1744
		1745	=item cf::map->register ($regex, $prio)
		1746
		1747	Register a handler for the map path matching the given regex at the
		1748	givne priority (higher is better, built-in handlers have priority 0, the
		1749	default).
		1750
		1751	=cut
		1752
1134	sub register {	1753	sub register {
1135	my (undef, $regex) = @_;	1754	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1755	my $pkg = caller;
1137		1756
1138	no strict;	1757	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1758	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1759
1141	$EXT_MAP{$pkg} = qr<$regex>;	1760	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1761	}
1143		1762
1144	# also paths starting with '/'	1763	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1764	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1765
		1766	sub thawer_merge {
		1767	my ($self, $merge) = @_;
		1768
		1769	# we have to keep some variables in memory intact
		1770	local $self->{path};
		1771	local $self->{load_path};
		1772
		1773	$self->SUPER::thawer_merge ($merge);
		1774	}
1146		1775
1147	sub normalise {	1776	sub normalise {
1148	my ($path, $base) = @_;	1777	my ($path, $base) = @_;
		1778
		1779	$path = "$path"; # make sure its a string
		1780
		1781	$path =~ s/\.map$//;
1149		1782
1150	# map plan:	1783	# map plan:
1151	#	1784	#
1152	# /! non-realised random map exit (special hack!)	1785	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1786	# {... are special paths that are not being touched
…		…
1181		1814
1182	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1815	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183		1816
1184	$path = normalise $path, $base;	1817	$path = normalise $path, $base;
1185		1818
1186	for my $pkg (keys %EXT_MAP) {	1819	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1820	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1821	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1822	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1191	return $self;	1824	return $self;
1192	}	1825	}
1193	}	1826	}
1194		1827
1195	Carp::carp "unable to resolve path '$path'.";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1196	()	1829	()
1197	}	1830	}
1198		1831
1199	sub init {	1832	sub init {
1200	my ($self) = @_;	1833	my ($self) = @_;
…		…
1215		1848
1216	# the original (read-only) location	1849	# the original (read-only) location
1217	sub load_path {	1850	sub load_path {
1218	my ($self) = @_;	1851	my ($self) = @_;
1219		1852
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1853	"$MAPDIR/$self->{path}.map"
1221	}	1854	}
1222		1855
1223	# the temporary/swap location	1856	# the temporary/swap location
1224	sub save_path {	1857	sub save_path {
1225	my ($self) = @_;	1858	my ($self) = @_;
1226		1859
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1861	"$TMPDIR/$path.map"
1229	}	1862	}
1230		1863
1231	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1232	sub uniq_path {	1865	sub uniq_path {
1233	my ($self) = @_;	1866	my ($self) = @_;
1234		1867
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1869	"$UNIQUEDIR/$path"
1237	}	1870	}
1238		1871
1239	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1240	# all maps in C++...	1873	# all maps in C++...
1241	sub change_all_map_light {	1874	sub change_all_map_light {
…		…
1243		1876
1244	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1245	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1246	}	1879	}
1247		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1248	sub unlink_save {	1889	sub unlink_save {
1249	my ($self) = @_;	1890	my ($self) = @_;
1250		1891
1251	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1895	}
1255		1896
1256	sub load_header_from($) {	1897	sub load_header_from($) {
1257	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1258		1899
1259	utf8::encode $path;	1900	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1261	or return;	1902	or return;
1262		1903
1263	$self->_load_header ($path)	1904	$self->_load_header ($f)
1264	or return;	1905	or return;
1265		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
		1909
1266	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1267		1911
1268	1	1912	1
1269	}	1913	}
1270		1914
1271	sub load_orig {	1915	sub load_header_orig {
1272	my ($self) = @_;	1916	my ($self) = @_;
1273		1917
1274	$self->load_header_from ($self->load_path)	1918	$self->load_header_from ($self->load_path)
1275	}	1919	}
1276		1920
1277	sub load_temp {	1921	sub load_header_temp {
1278	my ($self) = @_;	1922	my ($self) = @_;
1279		1923
1280	$self->load_header_from ($self->save_path)	1924	$self->load_header_from ($self->save_path)
		1925	}
		1926
		1927	sub prepare_temp {
		1928	my ($self) = @_;
		1929
		1930	$self->last_access ((delete $self->{last_access})
		1931	|| $cf::RUNTIME); #d#
		1932	# safety
		1933	$self->{instantiate_time} = $cf::RUNTIME
		1934	if $self->{instantiate_time} > $cf::RUNTIME;
		1935	}
		1936
		1937	sub prepare_orig {
		1938	my ($self) = @_;
		1939
		1940	$self->{load_original} = 1;
		1941	$self->{instantiate_time} = $cf::RUNTIME;
		1942	$self->last_access ($cf::RUNTIME);
		1943	$self->instantiate;
1281	}	1944	}
1282		1945
1283	sub load_header {	1946	sub load_header {
1284	my ($self) = @_;	1947	my ($self) = @_;
1285		1948
1286	if ($self->load_temp) {	1949	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	1950	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	1951	} else {
1293	$self->load_orig	1952	$self->load_header_orig
1294	or return;	1953	or return;
1295		1954	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	1955	}
		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
		1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
1301		1962
1302	1	1963	1
1303	}	1964	}
1304		1965
1305	sub find;	1966	sub find;
1306	sub find {	1967	sub find {
1307	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1308		1969
1309	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1310		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1311	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1312		1974
1313	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1314	my $guard = cf::lock_acquire "map_find:$path";	1976	my $guard1 = cf::lock_acquire "map_find:$path";
		1977	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1978
1315	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1316	or return;	1980	or return;
1317		1981
1318	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1319		1983
1320	$map->load_header	1984	$map->load_header
1321	or return;	1985	or return;
1322		1986
1323	if ($map->should_reset) {	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1988	# doing this can freeze the server in a sync job, obviously
		1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard1;
		1991	undef $guard2;
1324	$map->reset;	1992	$map->reset;
1325	undef $guard;
1326	$map = find $path	1993	return find $path;
1327	or return;
1328	}	1994	}
1329		1995
1330	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1331	}	1997	}
1332	}	1998	}
		1999
		2000	sub pre_load { }
		2001	sub post_load { }
1333		2002
1334	sub load {	2003	sub load {
1335	my ($self) = @_;	2004	my ($self) = @_;
1336		2005
		2006	local $self->{deny_reset} = 1; # loading can take a long time
		2007
1337	my $path = $self->{path};	2008	my $path = $self->{path};
		2009
		2010	{
1338	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1339		2012
		2013	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1341		2015
1342	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1343		2017
1344	$self->alloc;	2018	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)	2019
		2020	$self->pre_load;
		2021	cf::cede_to_tick;
		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
		2025	$self->_load_objects ($f)
1346	or return;	2026	or return;
1347		2027
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1349	if delete $self->{load_original};	2029	if delete $self->{load_original};
1350		2030
1351	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	2032	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	2035	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1356	}	2039	}
1357	}	2040	}
1358		2041
1359	Coro::cede;	2042	$f->resolve_delayed_derefs;
1360		2043
		2044	cf::cede_to_tick;
1361	# now do the right thing for maps	2045	# now do the right thing for maps
1362	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	2048	unless $self->difficulty;
1372	Coro::cede;	2049	cf::cede_to_tick;
		2050
		2051	unless ($self->{deny_activate}) {
		2052	$self->decay_objects;
		2053	$self->fix_auto_apply;
		2054	$self->update_buttons;
		2055	cf::cede_to_tick;
		2056	$self->set_darkness_map;
		2057	cf::cede_to_tick;
1373	$self->activate;	2058	$self->activate;
1374	}	2059	}
1375		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
1376	$self->in_memory (cf::MAP_IN_MEMORY);	2064	$self->in_memory (cf::MAP_IN_MEMORY);
		2065	}
		2066
		2067	$self->post_load;
1377	}	2068	}
1378		2069
1379	sub customise_for {	2070	sub customise_for {
1380	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1381		2072
1382	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	2074	if $self->per_player;
1384		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1385	$self	2079	$self
1386	}	2080	}
1387		2081
1388	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	2083	sub load_neighbours {
1390	my ($map) = @_;	2084	my ($map) = @_;
1391		2085
1392	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1393		2087
1394	for (0 .. 3) {	2088	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1396	or next;	2090	or next;
1397	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1398	or next;	2092	or next;
1399	$neigh->load;	2093	$neigh->load;
1400		2094
		2095	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	2098	}
1404		2099
1405	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1407	or next;	2103	or next;
1408	$neigh->load;	2104	$neigh->load;
1409	}	2105	}
1410	}	2106	}
1411		2107
…		…
1416	}	2112	}
1417		2113
1418	sub do_load_sync {	2114	sub do_load_sync {
1419	my ($map) = @_;	2115	my ($map) = @_;
1420		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1421	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1422	}	2121	}
1423		2122
1424	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	2124	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		2125
1438	sub find_async {	2126	sub find_async {
1439	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1440		2128
1441	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1442		2130
1443	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2133	}
		2134
		2135	$MAP_PREFETCH{$path} |= $load;
		2136
		2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
		2140	while (%MAP_PREFETCH) {
		2141	while (my ($k, $v) = each %MAP_PREFETCH) {
		2142	if (my $map = find $k) {
		2143	$map->load if $v;
		2144	}
		2145
		2146	delete $MAP_PREFETCH{$k};
		2147	}
		2148	}
		2149	undef $MAP_PREFETCHER;
1445	}	2150	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2151	$MAP_PREFETCHER->prio (6);
1449		2152
1450	()	2153	()
1451	}	2154	}
1452		2155
1453	sub save {	2156	sub save {
1454	my ($self) = @_;	2157	my ($self) = @_;
1455		2158
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1457		2160
1458	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1459		2162
1460	return unless $self->dirty;	2163	return unless $self->dirty;
1461		2164
…		…
1467	return if $self->{deny_save};	2170	return if $self->{deny_save};
1468		2171
1469	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1470		2173
1471	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1472	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1473	};	2177	};
1474		2178
1475	if ($uniq) {	2179	if ($uniq) {
1476	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1484	my ($self) = @_;	2188	my ($self) = @_;
1485		2189
1486	# save first because save cedes	2190	# save first because save cedes
1487	$self->save;	2191	$self->save;
1488		2192
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2193	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2194
1491	return if $self->players;	2195	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;	2196	return if $self->in_memory != cf::MAP_IN_MEMORY;
1493	return if $self->{deny_save};	2197	return if $self->{deny_save};
1494		2198
		2199	$self->in_memory (cf::MAP_SWAPPED);
		2200
		2201	$self->deactivate;
		2202	$_->clear_links_to ($self) for values %cf::MAP;
1495	$self->clear;	2203	$self->clear;
1496	$self->in_memory (cf::MAP_SWAPPED);
1497	}	2204	}
1498		2205
1499	sub reset_at {	2206	sub reset_at {
1500	my ($self) = @_;	2207	my ($self) = @_;
1501		2208
1502	# TODO: safety, remove and allow resettable per-player maps	2209	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2210	return 1e99 if $self->{deny_reset};
1505		2211
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2212	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2213	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2214
…		…
1513	my ($self) = @_;	2219	my ($self) = @_;
1514		2220
1515	$self->reset_at <= $cf::RUNTIME	2221	$self->reset_at <= $cf::RUNTIME
1516	}	2222	}
1517		2223
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2224	sub reset {
1533	my ($self) = @_;	2225	my ($self) = @_;
1534		2226
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2228
1537	return if $self->players;	2229	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2230
1540	warn "resetting map ", $self->path;#d#	2231	warn "resetting map ", $self->path;
		2232
		2233	$self->in_memory (cf::MAP_SWAPPED);
		2234
		2235	# need to save uniques path
		2236	unless ($self->{deny_save}) {
		2237	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2238
		2239	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2240	if $uniq;
		2241	}
1541		2242
1542	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1543		2244
1544	$self->in_memory (cf::MAP_SWAPPED);	2245	$self->deactivate;
		2246	$_->clear_links_to ($self) for values %cf::MAP;
1545	$self->clear;	2247	$self->clear;
1546
1547	$_->clear_links_to ($self) for values %cf::MAP;
1548		2248
1549	$self->unlink_save;	2249	$self->unlink_save;
1550	$self->destroy;	2250	$self->destroy;
1551	}	2251	}
1552		2252
1553	my $nuke_counter = "aaaa";	2253	my $nuke_counter = "aaaa";
1554		2254
1555	sub nuke {	2255	sub nuke {
1556	my ($self) = @_;	2256	my ($self) = @_;
1557		2257
		2258	{
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
		2261	delete $cf::MAP{$self->path};
		2262
		2263	$self->unlink_save;
		2264
		2265	bless $self, "cf::map";
		2266	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	2267	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2268	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2269	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2270
		2271	$cf::MAP{$self->path} = $self;
		2272	}
		2273
1561	$self->reset; # polite request, might not happen	2274	$self->reset; # polite request, might not happen
		2275	}
		2276
		2277	=item $maps = cf::map::tmp_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	maps. May block.
		2281
		2282	=cut
		2283
		2284	sub tmp_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise $_
		2290	: ()
		2291	} @{ aio_readdir $TMPDIR or [] }
		2292	]
		2293	}
		2294
		2295	=item $maps = cf::map::random_maps
		2296
		2297	Returns an arrayref with all map paths of currently instantiated and saved
		2298	random maps. May block.
		2299
		2300	=cut
		2301
		2302	sub random_maps() {
		2303	[
		2304	map {
		2305	utf8::decode $_;
		2306	/\.map$/
		2307	? normalise "?random/$_"
		2308	: ()
		2309	} @{ aio_readdir $RANDOMDIR or [] }
		2310	]
1562	}	2311	}
1563		2312
1564	=item cf::map::unique_maps	2313	=item cf::map::unique_maps
1565		2314
1566	Returns an arrayref of paths of all shared maps that have	2315	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2316	instantiated unique items. May block.
1568		2317
1569	=cut	2318	=cut
1570		2319
1571	sub unique_maps() {	2320	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2321	[
1573	or return;	2322	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2323	utf8::decode $_;
1579	next if /\.pst$/;
1580	next unless /^$PATH_SEP/o;
1581
1582	s/\.map$//;	2324	/\.map$/
1583	push @paths, $_;	2325	? normalise $_
		2326	: ()
		2327	} @{ aio_readdir $UNIQUEDIR or [] }
1584	}	2328	]
1585
1586	\@paths
1587	}	2329	}
1588		2330
1589	package cf;	2331	package cf;
1590		2332
1591	=back	2333	=back
…		…
1609	map { $_, inv_recursive_ $_->inv } @_	2351	map { $_, inv_recursive_ $_->inv } @_
1610	}	2352	}
1611		2353
1612	sub inv_recursive {	2354	sub inv_recursive {
1613	inv_recursive_ inv $_[0]	2355	inv_recursive_ inv $_[0]
		2356	}
		2357
		2358	=item $ref = $ob->ref
		2359
		2360	creates and returns a persistent reference to an objetc that can be stored as a string.
		2361
		2362	=item $ob = cf::object::deref ($refstring)
		2363
		2364	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2365	even if the object actually exists. May block.
		2366
		2367	=cut
		2368
		2369	sub deref {
		2370	my ($ref) = @_;
		2371
		2372	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2373	my ($uuid, $name) = ($1, $2);
		2374	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2375	or return;
		2376	$pl->ob->uuid eq $uuid
		2377	or return;
		2378
		2379	$pl->ob
		2380	} else {
		2381	warn "$ref: cannot resolve object reference\n";
		2382	undef
		2383	}
1614	}	2384	}
1615		2385
1616	package cf;	2386	package cf;
1617		2387
1618	=back	2388	=back
…		…
1637		2407
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2409
1640	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1642	} else {	2413	} else {
		2414	my $pl = $self->contr;
		2415
		2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2417	my $dialog = $pl->{npc_dialog};
		2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2419
		2420	} else {
1643	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2422	$self->message ($msg, $flags);
		2423	}
1645	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
1646	}	2435	}
1647		2436
1648	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1649		2438
1650	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1682	=cut	2471	=cut
1683		2472
1684	sub link_map {	2473	sub link_map {
1685	unless ($LINK_MAP) {	2474	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2475	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2476	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2477	$LINK_MAP->load;
1689	}	2478	}
1690		2479
1691	$LINK_MAP	2480	$LINK_MAP
1692	}	2481	}
…		…
1697	$self->deactivate_recursive;	2486	$self->deactivate_recursive;
1698		2487
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2488	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2489
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2491	if $self->map && $self->map->{path} ne "{link}";
1703		2492
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2493	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1705	}	2494	}
1706		2495
1707	sub cf::object::player::leave_link {	2496	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2497	my ($self, $map, $x, $y) = @_;
		2498
		2499	return unless $self->contr->active;
1709		2500
1710	my $link_pos = delete $self->{_link_pos};	2501	my $link_pos = delete $self->{_link_pos};
1711		2502
1712	unless ($map) {	2503	unless ($map) {
1713	# restore original map position	2504	# restore original map position
…		…
1727	# use -1 or undef as default coordinates, not 0, 0	2518	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2519	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2520	if $x <=0 && $y <= 0;
1730		2521
1731	$map->load;	2522	$map->load;
1732	$map->load_diag;	2523	$map->load_neighbours;
1733		2524
1734	return unless $self->contr->active;	2525	return unless $self->contr->active;
1735	$self->activate_recursive;	2526	$self->activate_recursive;
		2527
		2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1737	}	2530	}
1738		2531
1739	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1740	on_logout => sub {
1741	my ($pl) = @_;
1742		2533
1743	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1744	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1745	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1746	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1747	};	2538	be called at the end of this process.
1748	}
1749	},
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2539
1753	# try to abort aborted map switching on player login :)
1754	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770
1771	=item $player_object->goto ($path, $x, $y)
1772
1773	=cut	2540	=cut
		2541
		2542	our $GOTOGEN;
1774		2543
1775	sub cf::object::player::goto {	2544	sub cf::object::player::goto {
1776	my ($self, $path, $x, $y) = @_;	2545	my ($self, $path, $x, $y, $check, $done) = @_;
		2546
		2547	# do generation counting so two concurrent goto's will be executed in-order
		2548	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1777		2549
1778	$self->enter_link;	2550	$self->enter_link;
1779		2551
1780	(async {	2552	(async {
1781	my $map = cf::map::find $path;	2553	$Coro::current->{desc} = "player::goto $path $x $y";
		2554
		2555	# *tag paths override both path and x|y
		2556	if ($path =~ /^\*(.*)$/) {
		2557	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2558	my $ob = $obs[rand @obs];
		2559
		2560	# see if we actually can go there
		2561	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2562	$ob = $obs[rand @obs];
		2563	} else {
		2564	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2565	}
		2566	# else put us there anyways for now #d#
		2567
		2568	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2569	} else {
		2570	($path, $x, $y) = (undef, undef, undef);
		2571	}
		2572	}
		2573
		2574	my $map = eval {
		2575	my $map = defined $path ? cf::map::find $path : undef;
		2576
		2577	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2578	$map = $map->customise_for ($self);
1783		2579	$map = $check->($map) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2580	} else {
1785	# if $map;
1786
1787	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2581	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2582	}
1788		2583
		2584	$map
		2585	};
		2586
		2587	if ($@) {
		2588	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	LOG llevError | logBacktrace, Carp::longmess $@;
		2590	}
		2591
		2592	if ($gen == $self->{_goto_generation}) {
		2593	delete $self->{_goto_generation};
1789	$self->leave_link ($map, $x, $y);	2594	$self->leave_link ($map, $x, $y);
		2595	}
		2596
		2597	$done->() if $done;
1790	})->prio (1);	2598	})->prio (1);
1791	}	2599	}
1792		2600
1793	=item $player_object->enter_exit ($exit_object)	2601	=item $player_object->enter_exit ($exit_object)
1794		2602
…		…
1796		2604
1797	sub parse_random_map_params {	2605	sub parse_random_map_params {
1798	my ($spec) = @_;	2606	my ($spec) = @_;
1799		2607
1800	my $rmp = { # defaults	2608	my $rmp = { # defaults
1801	xsize => 10,	2609	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2610	ysize => (cf::rndm 15, 40),
		2611	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2612	#layout => string,
1803	};	2613	};
1804		2614
1805	for (split /\n/, $spec) {	2615	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2616	my ($k, $v) = split /\s+/, $_, 2;
1807		2617
…		…
1811	$rmp	2621	$rmp
1812	}	2622	}
1813		2623
1814	sub prepare_random_map {	2624	sub prepare_random_map {
1815	my ($exit) = @_;	2625	my ($exit) = @_;
		2626
		2627	my $guard = cf::lock_acquire "exit_prepare:$exit";
1816		2628
1817	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
1818	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
1819	# that depends on the exit object	2631	# that depends on the exit object
1820		2632
1821	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
1822		2634
1823	if ($exit->map) {	2635	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2636	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
1828	}	2640	}
1829		2641
1830	$rmp->{random_seed} ||= $exit->random_seed;	2642	$rmp->{random_seed} ||= $exit->random_seed;
1831		2643
1832	my $data = cf::to_json $rmp;	2644	my $data = cf::encode_json $rmp;
1833	my $md5 = Digest::MD5::md5_hex $data;	2645	my $md5 = Digest::MD5::md5_hex $data;
		2646	my $meta = "$RANDOMDIR/$md5.meta";
1834		2647
1835	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2648	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836	aio_write $fh, 0, (length $data), $data, 0;	2649	aio_write $fh, 0, (length $data), $data, 0;
		2650	undef $fh;
		2651	aio_rename "$meta~", $meta;
1837		2652
1838	$exit->slaying ("?random/$md5");	2653	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2654	$exit->msg (undef);
1840	}	2655	}
1841	}	2656	}
…		…
1843	sub cf::object::player::enter_exit {	2658	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2659	my ($self, $exit) = @_;
1845		2660
1846	return unless $self->type == cf::PLAYER;	2661	return unless $self->type == cf::PLAYER;
1847		2662
		2663	if ($exit->slaying eq "/!") {
		2664	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2665	# the problem is that $exit might not survive long enough
		2666	# so it needs to be done right now, right here
		2667	cf::sync_job { prepare_random_map $exit };
		2668	}
		2669
		2670	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2671	my $hp = $exit->stats->hp;
		2672	my $sp = $exit->stats->sp;
		2673
1848	$self->enter_link;	2674	$self->enter_link;
1849		2675
		2676	# if exit is damned, update players death & WoR home-position
		2677	$self->contr->savebed ($slaying, $hp, $sp)
		2678	if $exit->flag (FLAG_DAMNED);
		2679
1850	(async {	2680	(async {
		2681	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2682
1851	$self->deactivate_recursive; # just to be sure	2683	$self->deactivate_recursive; # just to be sure
1852	unless (eval {	2684	unless (eval {
1853	prepare_random_map $exit	2685	$self->goto ($slaying, $hp, $sp);
1854	if $exit->slaying eq "/!";
1855
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1858		2686
1859	1;	2687	1;
1860	}) {	2688	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2689	$self->message ("Something went wrong deep within the crossfire server. "
1862	. "I'll try to bring you back to the map you were before. "	2690	. "I'll try to bring you back to the map you were before. "
1863	. "Please report this to the dungeon master!",	2691	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2692	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2693
1866	warn "ERROR in enter_exit: $@";	2694	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2695	$self->leave_link;
1868	}	2696	}
1869	})->prio (1);	2697	})->prio (1);
…		…
1882		2710
1883	sub cf::client::send_drawinfo {	2711	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2712	my ($self, $text, $flags) = @_;
1885		2713
1886	utf8::encode $text;	2714	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2715	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2716	}
1889		2717
		2718	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2719
		2720	Send a drawinfo or msg packet to the client, formatting the msg for the
		2721	client if neccessary. C<$type> should be a string identifying the type of
		2722	the message, with C<log> being the default. If C<$color> is negative, suppress
		2723	the message unless the client supports the msg packet.
		2724
		2725	=cut
		2726
		2727	# non-persistent channels (usually the info channel)
		2728	our %CHANNEL = (
		2729	"c/identify" => {
		2730	id => "infobox",
		2731	title => "Identify",
		2732	reply => undef,
		2733	tooltip => "Items recently identified",
		2734	},
		2735	"c/examine" => {
		2736	id => "infobox",
		2737	title => "Examine",
		2738	reply => undef,
		2739	tooltip => "Signs and other items you examined",
		2740	},
		2741	"c/book" => {
		2742	id => "infobox",
		2743	title => "Book",
		2744	reply => undef,
		2745	tooltip => "The contents of a note or book",
		2746	},
		2747	"c/lookat" => {
		2748	id => "infobox",
		2749	title => "Look",
		2750	reply => undef,
		2751	tooltip => "What you saw there",
		2752	},
		2753	"c/who" => {
		2754	id => "infobox",
		2755	title => "Players",
		2756	reply => undef,
		2757	tooltip => "Shows players who are currently online",
		2758	},
		2759	"c/body" => {
		2760	id => "infobox",
		2761	title => "Body Parts",
		2762	reply => undef,
		2763	tooltip => "Shows which body parts you posess and are available",
		2764	},
		2765	"c/uptime" => {
		2766	id => "infobox",
		2767	title => "Uptime",
		2768	reply => undef,
		2769	tooltip => "How long the server has been running since last restart",
		2770	},
		2771	"c/mapinfo" => {
		2772	id => "infobox",
		2773	title => "Map Info",
		2774	reply => undef,
		2775	tooltip => "Information related to the maps",
		2776	},
		2777	);
		2778
		2779	sub cf::client::send_msg {
		2780	my ($self, $channel, $msg, $color, @extra) = @_;
		2781
		2782	$msg = $self->pl->expand_cfpod ($msg);
		2783
		2784	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2785
		2786	# check predefined channels, for the benefit of C
		2787	if ($CHANNEL{$channel}) {
		2788	$channel = $CHANNEL{$channel};
		2789
		2790	$self->ext_msg (channel_info => $channel)
		2791	if $self->can_msg;
		2792
		2793	$channel = $channel->{id};
		2794
		2795	} elsif (ref $channel) {
		2796	# send meta info to client, if not yet sent
		2797	unless (exists $self->{channel}{$channel->{id}}) {
		2798	$self->{channel}{$channel->{id}} = $channel;
		2799	$self->ext_msg (channel_info => $channel)
		2800	if $self->can_msg;
		2801	}
		2802
		2803	$channel = $channel->{id};
		2804	}
		2805
		2806	return unless @extra || length $msg;
		2807
		2808	if ($self->can_msg) {
		2809	# default colour, mask it out
		2810	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2811	if $color & cf::NDI_DEF;
		2812
		2813	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2814	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2815	} else {
		2816	if ($color >= 0) {
		2817	# replace some tags by gcfclient-compatible ones
		2818	for ($msg) {
		2819	1 while
		2820	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2821	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2822	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2823	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2824	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2825	}
		2826
		2827	$color &= cf::NDI_COLOR_MASK;
		2828
		2829	utf8::encode $msg;
		2830
		2831	if (0 && $msg =~ /\[/) {
		2832	# COMMAND/INFO
		2833	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2834	} else {
		2835	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2836	$self->send_packet ("drawinfo $color $msg")
		2837	}
		2838	}
		2839	}
		2840	}
		2841
		2842	=item $client->ext_msg ($type, @msg)
		2843
		2844	Sends an ext event to the client.
		2845
		2846	=cut
		2847
		2848	sub cf::client::ext_msg($$@) {
		2849	my ($self, $type, @msg) = @_;
		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2853	} elsif ($self->extcmd == 1) { # TODO: remove
		2854	push @msg, msgtype => "event_$type";
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2856	}
		2857	}
		2858
		2859	=item $client->ext_reply ($msgid, @msg)
		2860
		2861	Sends an ext reply to the client.
		2862
		2863	=cut
		2864
		2865	sub cf::client::ext_reply($$@) {
		2866	my ($self, $id, @msg) = @_;
		2867
		2868	if ($self->extcmd == 2) {
		2869	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2870	} elsif ($self->extcmd == 1) {
		2871	#TODO: version 1, remove
		2872	unshift @msg, msgtype => "reply", msgid => $id;
		2873	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2874	}
		2875	}
1890		2876
1891	=item $success = $client->query ($flags, "text", \&cb)	2877	=item $success = $client->query ($flags, "text", \&cb)
1892		2878
1893	Queues a query to the client, calling the given callback with	2879	Queues a query to the client, calling the given callback with
1894	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1895	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1896		2882
1897	Queries can fail, so check the return code. Or don't, as queries will become	2883	Queries can fail, so check the return code. Or don't, as queries will
1898	reliable at some point in the future.	2884	become reliable at some point in the future.
1899		2885
1900	=cut	2886	=cut
1901		2887
1902	sub cf::client::query {	2888	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	2889	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	2897	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		2899
1914	$self->send_packet ($self->{query_queue}[0][0])	2900	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	2901	if @{ $self->{query_queue} } == 1;
		2902
		2903	1
1916	}	2904	}
1917		2905
1918	cf::client->attach (	2906	cf::client->attach (
		2907	on_connect => sub {
		2908	my ($ns) = @_;
		2909
		2910	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2911	},
1919	on_reply => sub {	2912	on_reply => sub {
1920	my ($ns, $msg) = @_;	2913	my ($ns, $msg) = @_;
1921		2914
1922	# this weird shuffling is so that direct followup queries	2915	# this weird shuffling is so that direct followup queries
1923	# get handled first	2916	# get handled first
1924	my $queue = delete $ns->{query_queue}	2917	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	2918	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		2919
1927	(shift @$queue)->[1]->($msg);	2920	(shift @$queue)->[1]->($msg);
		2921	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		2922
1929	push @{ $ns->{query_queue} }, @$queue;	2923	push @{ $ns->{query_queue} }, @$queue;
1930		2924
1931	if (@{ $ns->{query_queue} } == @$queue) {	2925	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	2926	if (@$queue) {
…		…
1934	} else {	2928	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2929	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	2930	}
1937	}	2931	}
1938	},	2932	},
		2933	on_exticmd => sub {
		2934	my ($ns, $buf) = @_;
		2935
		2936	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2937
		2938	if (ref $msg) {
		2939	my ($type, $reply, @payload) =
		2940	"ARRAY" eq ref $msg
		2941	? @$msg
		2942	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2943
		2944	my @reply;
		2945
		2946	if (my $cb = $EXTICMD{$type}) {
		2947	@reply = $cb->($ns, @payload);
		2948	}
		2949
		2950	$ns->ext_reply ($reply, @reply)
		2951	if $reply;
		2952
		2953	} else {
		2954	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2955	}
		2956
		2957	cf::override;
		2958	},
1939	);	2959	);
1940		2960
1941	=item $client->async (\&cb)	2961	=item $client->async (\&cb)
1942		2962
1943	Create a new coroutine, running the specified callback. The coroutine will	2963	Create a new coroutine, running the specified callback. The coroutine will
…		…
1984	our $safe = new Safe "safe";	3004	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	3005	our $safe_hole = new Safe::Hole;
1986		3006
1987	$SIG{FPE} = 'IGNORE';	3007	$SIG{FPE} = 'IGNORE';
1988		3008
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3009	$safe->permit_only (Opcode::opset qw(
		3010	:base_core :base_mem :base_orig :base_math
		3011	grepstart grepwhile mapstart mapwhile
		3012	sort time
		3013	));
1990		3014
1991	# here we export the classes and methods available to script code	3015	# here we export the classes and methods available to script code
1992		3016
1993	=pod	3017	=pod
1994		3018
1995	The following fucntions and emthods are available within a safe environment:	3019	The following functions and methods are available within a safe environment:
1996		3020
1997	cf::object contr pay_amount pay_player map	3021	cf::object
		3022	contr pay_amount pay_player map x y force_find force_add destroy
		3023	insert remove name archname title slaying race decrease_ob_nr
		3024
1998	cf::object::player player	3025	cf::object::player
1999	cf::player peaceful	3026	player
2000	cf::map trigger	3027
		3028	cf::player
		3029	peaceful
		3030
		3031	cf::map
		3032	trigger
2001		3033
2002	=cut	3034	=cut
2003		3035
2004	for (	3036	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	3037	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3038	insert remove inv name archname title slaying race
		3039	decrease_ob_nr destroy)],
2006	["cf::object::player" => qw(player)],	3040	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	3041	["cf::player" => qw(peaceful)],
2008	["cf::map" => qw(trigger)],	3042	["cf::map" => qw(trigger)],
2009	) {	3043	) {
2010	no strict 'refs';	3044	no strict 'refs';
…		…
2081	=back	3115	=back
2082		3116
2083	=cut	3117	=cut
2084		3118
2085	#############################################################################	3119	#############################################################################
		3120	# the server's init and main functions
2086		3121
2087	=head2 EXTENSION DATABASE SUPPORT	3122	sub load_facedata($) {
		3123	my ($path) = @_;
2088		3124
2089	Crossfire maintains a very simple database for extension use. It can	3125	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	3126	# for this (global event?)
2091	excludes objects.	3127	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		3128
2093	The parameter C<$family> should best start with the name of the extension	3129	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		3130
2096	=over 4	3131	warn "loading facedata from $path\n";
2097		3132
2098	=item $hashref = cf::db_get $family	3133	my $facedata;
		3134	0 < aio_load $path, $facedata
		3135	or die "$path: $!";
2099		3136
2100	Return a hashref for use by the extension C<$family>, which can be	3137	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		3138
2104	=item $value = cf::db_get $family => $key	3139	$facedata->{version} == 2
		3140	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		3141
2106	Returns a single value from the database	3142	# patch in the exptable
2107		3143	$facedata->{resource}{"res/exp_table"} = {
2108	=item cf::db_put $family => $hashref	3144	type => FT_RSRC,
2109		3145	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2110	Stores the given family hashref into the database. Updates are delayed, if
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	3146	};
		3147	cf::cede_to_tick;
2159		3148
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	3149	{
		3150	my $faces = $facedata->{faceinfo};
2164		3151
2165	sub db_get($;$) {	3152	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	3153	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}	3154	cf::face::set_visibility $idx, $info->{visibility};
2168	: ($DB->{$_[0]} ||= { })	3155	cf::face::set_magicmap $idx, $info->{magicmap};
2169	}	3156	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3157	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2170		3158
2171	sub db_put($$;$) {	3159	cf::cede_to_tick;
2172	if (@_ >= 3) {
2173	$DB->{$_[0]}{$_[1]} = $_[2];
2174	} else {
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179
2180	cf::global->attach (
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	3160	}
2185	);
2186	}
2187		3161
2188	#############################################################################	3162	while (my ($face, $info) = each %$faces) {
2189	# the server's main()	3163	next unless $info->{smooth};
		3164	my $idx = cf::face::find $face
		3165	or next;
		3166	if (my $smooth = cf::face::find $info->{smooth}) {
		3167	cf::face::set_smooth $idx, $smooth;
		3168	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3169	} else {
		3170	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3171	}
2190		3172
2191	sub cfg_load {	3173	cf::cede_to_tick;
		3174	}
		3175	}
		3176
		3177	{
		3178	my $anims = $facedata->{animinfo};
		3179
		3180	while (my ($anim, $info) = each %$anims) {
		3181	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3182	cf::cede_to_tick;
		3183	}
		3184
		3185	cf::anim::invalidate_all; # d'oh
		3186	}
		3187
		3188	{
		3189	# TODO: for gcfclient pleasure, we should give resources
		3190	# that gcfclient doesn't grok a >10000 face index.
		3191	my $res = $facedata->{resource};
		3192
		3193	my $soundconf = delete $res->{"res/sound.conf"};
		3194
		3195	while (my ($name, $info) = each %$res) {
		3196	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3197	my $data;
		3198
		3199	if ($info->{type} & 1) {
		3200	# prepend meta info
		3201
		3202	my $meta = $enc->encode ({
		3203	name => $name,
		3204	%{ $info->{meta} || {} },
		3205	});
		3206
		3207	$data = pack "(w/a*)*", $meta, $info->{data};
		3208	} else {
		3209	$data = $info->{data};
		3210	}
		3211
		3212	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3213	cf::face::set_type $idx, $info->{type};
		3214
		3215	cf::cede_to_tick;
		3216	}
		3217
		3218	if ($soundconf) {
		3219	$soundconf = $enc->decode (delete $soundconf->{data});
		3220
		3221	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3222	my $sound = $soundconf->{compat}[$_]
		3223	or next;
		3224
		3225	my $face = cf::face::find "sound/$sound->[1]";
		3226	cf::sound::set $sound->[0] => $face;
		3227	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3228	}
		3229
		3230	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3231	my $face = cf::face::find "sound/$v";
		3232	cf::sound::set $k => $face;
		3233	}
		3234	}
		3235	}
		3236
		3237	1
		3238	}
		3239
		3240	register_exticmd fx_want => sub {
		3241	my ($ns, $want) = @_;
		3242
		3243	while (my ($k, $v) = each %$want) {
		3244	$ns->fx_want ($k, $v);
		3245	}
		3246	};
		3247
		3248	sub reload_regions {
		3249	# HACK to clear player env face cache, we need some signal framework
		3250	# for this (global event?)
		3251	%ext::player_env::MUSIC_FACE_CACHE = ();
		3252
		3253	load_resource_file "$MAPDIR/regions"
		3254	or die "unable to load regions file\n";
		3255
		3256	for (cf::region::list) {
		3257	$_->{match} = qr/$_->{match}/
		3258	if exists $_->{match};
		3259	}
		3260	}
		3261
		3262	sub reload_facedata {
		3263	load_facedata "$DATADIR/facedata"
		3264	or die "unable to load facedata\n";
		3265	}
		3266
		3267	sub reload_archetypes {
		3268	load_resource_file "$DATADIR/archetypes"
		3269	or die "unable to load archetypes\n";
		3270	#d# NEED to laod twice to resolve forward references
		3271	# this really needs to be done in an extra post-pass
		3272	# (which needs to be synchronous, so solve it differently)
		3273	load_resource_file "$DATADIR/archetypes"
		3274	or die "unable to load archetypes\n";
		3275	}
		3276
		3277	sub reload_treasures {
		3278	load_resource_file "$DATADIR/treasures"
		3279	or die "unable to load treasurelists\n";
		3280	}
		3281
		3282	sub reload_resources {
		3283	warn "reloading resource files...\n";
		3284
		3285	reload_regions;
		3286	reload_facedata;
		3287	#reload_archetypes;#d#
		3288	reload_archetypes;
		3289	reload_treasures;
		3290
		3291	warn "finished reloading resource files\n";
		3292	}
		3293
		3294	sub init {
		3295	reload_resources;
		3296	}
		3297
		3298	sub reload_config {
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3299	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	3300	or return;
2194		3301
2195	local $/;	3302	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	3303	*CFG = YAML::Syck::Load <$fh>;
2197		3304
…		…
2211		3318
2212	sub main {	3319	sub main {
2213	# we must not ever block the main coroutine	3320	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3321	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3322	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2216	async { Event::one_event };	3323	(async {
		3324	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3325	EV::loop EV::LOOP_ONESHOT;
		3326	})->prio (Coro::PRIO_MAX);
2217	};	3327	};
2218		3328
2219	cfg_load;	3329	reload_config;
2220	db_load;	3330	db_init;
2221	load_extensions;	3331	load_extensions;
		3332
		3333	$TICK_WATCHER->start;
		3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2222	Event::loop;	3335	EV::loop;
2223	}	3336	}
2224		3337
2225	#############################################################################	3338	#############################################################################
2226	# initialisation and cleanup	3339	# initialisation and cleanup
2227		3340
2228	# install some emergency cleanup handlers	3341	# install some emergency cleanup handlers
2229	BEGIN {	3342	BEGIN {
		3343	our %SIGWATCHER = ();
2230	for my $signal (qw(INT HUP TERM)) {	3344	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3345	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2232	data => WF_AUTOCANCEL,
2233	signal => $signal,
2234	cb => sub {
2235	cf::cleanup "SIG$signal";	3346	cf::cleanup "SIG$signal";
2236	},
2237	);	3347	};
		3348	}
		3349	}
		3350
		3351	sub write_runtime {
		3352	my $runtime = "$LOCALDIR/runtime";
		3353
		3354	# first touch the runtime file to show we are still running:
		3355	# the fsync below can take a very very long time.
		3356
		3357	IO::AIO::aio_utime $runtime, undef, undef;
		3358
		3359	my $guard = cf::lock_acquire "write_runtime";
		3360
		3361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3362	or return;
		3363
		3364	my $value = $cf::RUNTIME + 90 + 10;
		3365	# 10 is the runtime save interval, for a monotonic clock
		3366	# 60 allows for the watchdog to kill the server.
		3367
		3368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3369	and return;
		3370
		3371	# always fsync - this file is important
		3372	aio_fsync $fh
		3373	and return;
		3374
		3375	# touch it again to show we are up-to-date
		3376	aio_utime $fh, undef, undef;
		3377
		3378	close $fh
		3379	or return;
		3380
		3381	aio_rename "$runtime~", $runtime
		3382	and return;
		3383
		3384	warn "runtime file written.\n";
		3385
2238	}	3386	1
2239	}	3387	}
2240		3388
2241	sub emergency_save() {	3389	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3390	my $freeze_guard = cf::freeze_mainloop;
2243		3391
…		…
2249	# and maps saved/destroyed asynchronously.	3397	# and maps saved/destroyed asynchronously.
2250	warn "begin emergency player save\n";	3398	warn "begin emergency player save\n";
2251	for my $login (keys %cf::PLAYER) {	3399	for my $login (keys %cf::PLAYER) {
2252	my $pl = $cf::PLAYER{$login} or next;	3400	my $pl = $cf::PLAYER{$login} or next;
2253	$pl->valid or next;	3401	$pl->valid or next;
		3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2254	$pl->save;	3403	$pl->save;
2255	}	3404	}
2256	warn "end emergency player save\n";	3405	warn "end emergency player save\n";
2257		3406
2258	warn "begin emergency map save\n";	3407	warn "begin emergency map save\n";
…		…
2260	my $map = $cf::MAP{$path} or next;	3409	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3410	$map->valid or next;
2262	$map->save;	3411	$map->save;
2263	}	3412	}
2264	warn "end emergency map save\n";	3413	warn "end emergency map save\n";
		3414
		3415	warn "begin emergency database checkpoint\n";
		3416	BDB::db_env_txn_checkpoint $DB_ENV;
		3417	warn "end emergency database checkpoint\n";
2265	};	3418	};
2266		3419
2267	warn "leave emergency perl save\n";	3420	warn "leave emergency perl save\n";
2268	}	3421	}
2269		3422
		3423	sub post_cleanup {
		3424	my ($make_core) = @_;
		3425
		3426	warn Carp::longmess "post_cleanup backtrace"
		3427	if $make_core;
		3428	}
		3429
2270	sub reload() {	3430	sub do_reload_perl() {
2271	# can/must only be called in main	3431	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3432	if ($Coro::current != $Coro::main) {
2273	warn "can only reload from main coroutine\n";	3433	warn "can only reload from main coroutine";
2274	return;	3434	return;
2275	}	3435	}
2276		3436
2277	warn "reloading...";	3437	warn "reloading...";
2278		3438
2279	warn "freezing server";	3439	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	3440
		3441	cf::sync_job {
		3442	cf::write_runtime; # external watchdog should not bark
2281	cf::emergency_save;	3443	cf::emergency_save;
		3444	cf::write_runtime; # external watchdog should not bark
2282		3445
2283	warn "sync database to disk";	3446	warn "syncing database to disk";
2284	cf::db_sync;	3447	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		3448
2287	eval {
2288	# if anything goes wrong in here, we should simply crash as we already saved	3449	# if anything goes wrong in here, we should simply crash as we already saved
2289		3450
2290	warn "cancel all watchers";	3451	warn "flushing outstanding aio requests";
2291	for (Event::all_watchers) {	3452	for (;;) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	3453	BDB::flush;
		3454	IO::AIO::flush;
		3455	Coro::cede_notself;
		3456	last unless IO::AIO::nreqs || BDB::nreqs;
		3457	warn "iterate...";
2293	}	3458	}
2294		3459
		3460	++$RELOAD;
		3461
2295	warn "cancel all extension coros";	3462	warn "cancelling all extension coros";
2296	$_->cancel for values %EXT_CORO;	3463	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();	3464	%EXT_CORO = ();
2298		3465
2299	warn "remove commands";	3466	warn "removing commands";
2300	%COMMAND = ();	3467	%COMMAND = ();
2301		3468
2302	warn "remove ext commands";	3469	warn "removing ext/exti commands";
2303	%EXTCMD = ();	3470	%EXTCMD = ();
		3471	%EXTICMD = ();
2304		3472
2305	warn "unload/nuke all extensions";	3473	warn "unloading/nuking all extensions";
2306	for my $pkg (@EXTS) {	3474	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";	3475	warn "... unloading $pkg";
2308		3476
2309	if (my $cb = $pkg->can ("unload")) {	3477	if (my $cb = $pkg->can ("unload")) {
2310	eval {	3478	eval {
…		…
2315		3483
2316	warn "... nuking $pkg";	3484	warn "... nuking $pkg";
2317	Symbol::delete_package $pkg;	3485	Symbol::delete_package $pkg;
2318	}	3486	}
2319		3487
2320	warn "unload all perl modules loaded from $LIBDIR";	3488	warn "unloading all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {	3489	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3490	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323		3491
2324	warn "removing <$k>";	3492	warn "... unloading $k";
2325	delete $INC{$k};	3493	delete $INC{$k};
2326		3494
2327	$k =~ s/\.pm$//;	3495	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;	3496	$k =~ s/\//::/g;
2329		3497
…		…
2332	}	3500	}
2333		3501
2334	Symbol::delete_package $k;	3502	Symbol::delete_package $k;
2335	}	3503	}
2336		3504
2337	warn "get rid of safe::, as good as possible";	3505	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3506	Symbol::delete_package "safe::$_"
2339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3507	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340		3508
2341	warn "unload cf.pm \"a bit\"";	3509	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3510	delete $INC{"cf.pm"};
		3511	delete $INC{"cf/pod.pm"};
2343		3512
2344	# don't, removes xs symbols, too,	3513	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3514	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3515	#Symbol::delete_package __PACKAGE__;
2347		3516
		3517	warn "unload completed, starting to reload now";
		3518
2348	warn "reloading cf.pm";	3519	warn "reloading cf.pm";
2349	require cf;	3520	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3521	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351		3522
2352	warn "load config and database again";	3523	warn "loading config and database again";
2353	cf::cfg_load;	3524	cf::reload_config;
2354	cf::db_load;
2355		3525
2356	warn "load extensions";	3526	warn "loading extensions";
2357	cf::load_extensions;	3527	cf::load_extensions;
2358		3528
2359	warn "reattach attachments to objects/players";	3529	warn "reattaching attachments to objects/players";
2360	_global_reattach;	3530	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3531	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3532	reattach $_ for values %MAP;
2363	};	3533	warn "reattaching attachments to players";
		3534	reattach $_ for values %PLAYER;
2364		3535
2365	if ($@) {	3536	warn "leaving sync_job";
		3537
		3538	1
		3539	} or do {
2366	warn $@;	3540	warn $@;
2367	warn "error while reloading, exiting.";	3541	warn "error while reloading, exiting.";
2368	exit 1;	3542	exit 1;
2369	}	3543	};
2370		3544
2371	warn "reloaded";	3545	warn "reloaded";
2372	};	3546	};
2373		3547
		3548	our $RELOAD_WATCHER; # used only during reload
		3549
		3550	sub reload_perl() {
		3551	# doing reload synchronously and two reloads happen back-to-back,
		3552	# coro crashes during coro_state_free->destroy here.
		3553
		3554	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3555	undef $RELOAD_WATCHER;
		3556	do_reload_perl;
		3557	};
		3558	}
		3559
2374	register_command "reload" => sub {	3560	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2376		3562
2377	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	3564	$who->message ("reloading server.");
		3565	async {
		3566	$Coro::current->{desc} = "perl_reload";
		3567	reload_perl;
		3568	};
2381	}	3569	}
2382	};	3570	};
2383		3571
2384	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2385		3573
2386	$TICK_WATCHER = Event->timer (	3574	my $bug_warning = 0;
2387	reentrant => 0,
2388	prio => 0,
2389	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,
2391	cb => sub {
2392	$NOW = Event::time;
2393		3575
		3576	our @WAIT_FOR_TICK;
		3577	our @WAIT_FOR_TICK_BEGIN;
		3578
		3579	sub wait_for_tick {
		3580	return unless $TICK_WATCHER->is_active;
		3581	return if $Coro::current == $Coro::main;
		3582
		3583	my $signal = new Coro::Signal;
		3584	push @WAIT_FOR_TICK, $signal;
		3585	$signal->wait;
		3586	}
		3587
		3588	sub wait_for_tick_begin {
		3589	return unless $TICK_WATCHER->is_active;
		3590	return if $Coro::current == $Coro::main;
		3591
		3592	my $signal = new Coro::Signal;
		3593	push @WAIT_FOR_TICK_BEGIN, $signal;
		3594	$signal->wait;
		3595	}
		3596
		3597	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
		3598	if ($Coro::current != $Coro::main) {
		3599	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3600	unless ++$bug_warning > 10;
		3601	return;
		3602	}
		3603
		3604	$NOW = $tick_start = EV::now;
		3605
2394	cf::server_tick; # one server iteration	3606	cf::server_tick; # one server iteration
		3607
2395	$RUNTIME += $TICK;	3608	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;	3609	$NEXT_TICK += $TICK;
2397		3610
2398	$WAIT_FOR_TICK->broadcast;	3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3612	$NEXT_RUNTIME_WRITE = $NOW + 10;
2400		3613	Coro::async_pool {
2401	# if we are delayed by four ticks or more, skip them all	3614	$Coro::current->{desc} = "runtime saver";
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2403
2404	$TICK_WATCHER->at ($NEXT_TICK);
2405	$TICK_WATCHER->start;
2406	},
2407	);
2408
2409	IO::AIO::max_poll_time $TICK * 0.2;
2410
2411	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,
2421	after => 0,
2422	interval => 10,
2423	cb => sub {
2424	(Coro::unblock_sub {
2425	write_runtime	3615	write_runtime
2426	or warn "ERROR: unable to write runtime file: $!";	3616	or warn "ERROR: unable to write runtime file: $!";
2427	})->();	3617	};
2428	},	3618	}
2429	);	3619
		3620	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3621	$sig->send;
		3622	}
		3623	while (my $sig = shift @WAIT_FOR_TICK) {
		3624	$sig->send;
		3625	}
		3626
		3627	$LOAD = ($NOW - $tick_start) / $TICK;
		3628	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3629
		3630	_post_tick;
		3631	};
		3632	$TICK_WATCHER->priority (EV::MAXPRI);
		3633
		3634	{
		3635	# configure BDB
		3636
		3637	BDB::min_parallel 8;
		3638	BDB::max_poll_reqs $TICK * 0.1;
		3639
		3640	unless ($DB_ENV) {
		3641	$DB_ENV = BDB::db_env_create;
		3642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3643	| BDB::LOG_AUTOREMOVE, 1);
		3644	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3645	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3646
		3647	cf::sync_job {
		3648	eval {
		3649	BDB::db_env_open
		3650	$DB_ENV,
		3651	$BDBDIR,
		3652	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3653	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3654	0666;
		3655
		3656	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3657	};
		3658
		3659	cf::cleanup "db_env_open(db): $@" if $@;
		3660	};
		3661	}
		3662
		3663	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3664	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3665	};
		3666	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3667	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3668	};
		3669	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3670	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3671	};
		3672	}
		3673
		3674	{
		3675	# configure IO::AIO
		3676
		3677	IO::AIO::min_parallel 8;
		3678	IO::AIO::max_poll_time $TICK * 0.1;
		3679	}
		3680
		3681	my $_log_backtrace;
		3682
		3683	sub _log_backtrace {
		3684	my ($msg, @addr) = @_;
		3685
		3686	$msg =~ s/\n//;
		3687
		3688	# limit the # of concurrent backtraces
		3689	if ($_log_backtrace < 2) {
		3690	++$_log_backtrace;
		3691	async {
		3692	$Coro::current->{desc} = "abt $msg";
		3693
		3694	my @bt = fork_call {
		3695	@addr = map { sprintf "%x", $_ } @addr;
		3696	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3697	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3698	or die "addr2line: $!";
		3699
		3700	my @funcs;
		3701	my @res = <$fh>;
		3702	chomp for @res;
		3703	while (@res) {
		3704	my ($func, $line) = splice @res, 0, 2, ();
		3705	push @funcs, "[$func] $line";
		3706	}
		3707
		3708	@funcs
		3709	};
		3710
		3711	LOG llevInfo, "[ABT] $msg\n";
		3712	LOG llevInfo, "[ABT] $_\n" for @bt;
		3713	--$_log_backtrace;
		3714	};
		3715	} else {
		3716	LOG llevInfo, "[ABT] $msg\n";
		3717	LOG llevInfo, "[ABT] [suppressed]\n";
		3718	}
		3719	}
		3720
		3721	# load additional modules
		3722	use cf::pod;
2430		3723
2431	END { cf::emergency_save }	3724	END { cf::emergency_save }
2432		3725
2433	1	3726	1
2434		3727

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