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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.406 by root, Mon Dec 17 08:27:44 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 1.86;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.3 ();	15	use Coro 4.32 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
19		26
		27	use JSON::XS 2.01 ();
		28	use BDB ();
20	use Data::Dumper;	29	use Data::Dumper;
21	use Digest::MD5;	30	use Digest::MD5;
22	use Fcntl;	31	use Fcntl;
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	our %RESOURCE;
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
		87	our $DB_ENV;
53		88
54	our %CFG;	89	our %CFG;
55		90
56	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	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		98
67	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
87		122
88	#############################################################################	123	#############################################################################
89		124
90	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
91		126
…		…
98	=item $cf::RUNTIME	133	=item $cf::RUNTIME
99		134
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	136	every server tick.
102		137
103	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		141
105	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
107		146
108	=item $cf::NOW	147	=item $cf::NOW
109		148
110	The time of the last (current) server tick.	149	The time of the last (current) server tick.
111		150
112	=item $cf::TICK	151	=item $cf::TICK
113		152
114	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
115		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
		164
116	=item %cf::CFG	165	=item %cf::CFG
117		166
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	168	from wherever your confdir points to.
120		169
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		171
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	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	173	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	174	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.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
127		181
128	=back	182	=back
129		183
130	=cut	184	=cut
131		185
132	BEGIN {	186	BEGIN {
133	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	188	my $msg = join "", @_;
135	utf8::encode $msg;
136		189
137	$msg .= "\n"	190	$msg .= "\n"
138	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139		194
140	LOG llevError, $msg;	195	LOG llevError, $msg;
141	};	196	};
142	}	197	}
143		198
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		206
151	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	208	# within the Safe compartment.
153	for my $pkg (qw(	209	for my $pkg (qw(
154	cf::global cf::attachable	210	cf::global cf::attachable
…		…
159	)) {	215	)) {
160	no strict 'refs';	216	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	218	}
163		219
164	$Event::DIED = sub {	220	$EV::DIED = sub {
165	warn "error in event callback: @_";	221	warn "error in event callback: @_";
166	};	222	};
		223
		224	#############################################################################
167		225
168	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
169		227
170	=over 4	228	=over 4
171		229
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	249	$d
192	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
193	}	251	}
194		252
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	253	=item $ref = cf::decode_json $json
198		254
199	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
200		256
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	257	=item $json = cf::encode_json $ref
209		258
210	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
211		260
212	=cut	261	=cut
213		262
214	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
216	JSON::Syck::Dump $_[0]	265	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	266	sub decode_json($) { $json_coder->decode ($_[0]) }
218		267
219	=item cf::lock_wait $string	268	=item cf::lock_wait $string
220		269
221	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
222		271
…		…
225	Wait until the given lock is available and then acquires it and returns	274	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,	275	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	276	for example when the coroutine gets canceled), the lock is automatically
228	returned.	277	returned.
229		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
230	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
232		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
233	=cut	289	=cut
234		290
235	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
236		293
237	sub lock_wait($) {	294	sub lock_wait($) {
238	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
239		301
240	# wait for lock, if any	302	# wait for lock, if any
241	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	305	Coro::schedule;
…		…
249		311
250	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
251	lock_wait $key;	313	lock_wait $key;
252		314
253	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
254		317
255	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
258	}	322	}
259	}	323	}
260		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
261	sub freeze_mainloop {	331	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
263		333
264	my $guard = Coro::guard {	334	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	336	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
270	$guard	338	$guard
		339	}
		340
		341	=item cf::periodic $interval, $cb
		342
		343	Like EV::periodic, but randomly selects a starting point so that the actions
		344	get spread over timer.
		345
		346	=cut
		347
		348	sub periodic($$) {
		349	my ($interval, $cb) = @_;
		350
		351	my $start = rand List::Util::min 180, $interval;
		352
		353	EV::periodic $start, $interval, 0, $cb
		354	}
		355
		356	=item cf::get_slot $time[, $priority[, $name]]
		357
		358	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		359	This call blocks and returns only when you have at least C<$time> seconds
		360	of cpu time till the next tick. The slot is only valid till the next cede.
		361
		362	The optional C<$name> can be used to identify the job to run. It might be
		363	used for statistical purposes and should identify the same time-class.
		364
		365	Useful for short background jobs.
		366
		367	=cut
		368
		369	our @SLOT_QUEUE;
		370	our $SLOT_QUEUE;
		371
		372	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		373	$SLOT_QUEUE = Coro::async {
		374	$Coro::current->desc ("timeslot manager");
		375
		376	my $signal = new Coro::Signal;
		377
		378	while () {
		379	next_job:
		380	my $avail = cf::till_tick;
		381	if ($avail > 0.01) {
		382	for (0 .. $#SLOT_QUEUE) {
		383	if ($SLOT_QUEUE[$_][0] < $avail) {
		384	my $job = splice @SLOT_QUEUE, $_, 1, ();
		385	$job->[2]->send;
		386	Coro::cede;
		387	goto next_job;
		388	}
		389	}
		390	}
		391
		392	if (@SLOT_QUEUE) {
		393	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		394	push @cf::WAIT_FOR_TICK, $signal;
		395	$signal->wait;
		396	} else {
		397	Coro::schedule;
		398	}
		399	}
		400	};
		401
		402	sub get_slot($;$$) {
		403	my ($time, $pri, $name) = @_;
		404
		405	$time = $TICK * .6 if $time > $TICK * .6;
		406	my $sig = new Coro::Signal;
		407
		408	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		409	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		410	$SLOT_QUEUE->ready;
		411	$sig->wait;
271	}	412	}
272		413
273	=item cf::async { BLOCK }	414	=item cf::async { BLOCK }
274		415
275	Currently the same as Coro::async_pool, meaning you cannot use	416	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		421
281	BEGIN { *async = \&Coro::async_pool }	422	BEGIN { *async = \&Coro::async_pool }
282		423
283	=item cf::sync_job { BLOCK }	424	=item cf::sync_job { BLOCK }
284		425
285	The design of crossfire+ requires that the main coro ($Coro::main) is	426	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	427	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	428	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		429	acceptable.
288		430
289	If it must be done, put the blocking parts into C<sync_job>. This will run	431	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	432	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	433	server will be frozen during this time, so the block should either finish
292	fast or be very important.	434	fast or be very important.
…		…
295		437
296	sub sync_job(&) {	438	sub sync_job(&) {
297	my ($job) = @_;	439	my ($job) = @_;
298		440
299	if ($Coro::current == $Coro::main) {	441	if ($Coro::current == $Coro::main) {
		442	my $time = EV::time;
		443
300	# this is the main coro, too bad, we have to block	444	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	445	# till the operation succeeds, freezing the server :/
302		446
		447	LOG llevError, Carp::longmess "sync job";#d#
		448
303	# TODO: use suspend/resume instead	449	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	450	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	451	my $freeze_guard = freeze_mainloop;
306		452
307	my $busy = 1;	453	my $busy = 1;
308	my @res;	454	my @res;
309		455
310	(async {	456	(async {
		457	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	458	@res = eval { $job->() };
312	warn $@ if $@;	459	warn $@ if $@;
313	undef $busy;	460	undef $busy;
314	})->prio (Coro::PRIO_MAX);	461	})->prio (Coro::PRIO_MAX);
315		462
316	while ($busy) {	463	while ($busy) {
317	Coro::cede or Event::one_event;	464	if (Coro::nready) {
		465	Coro::cede_notself;
		466	} else {
		467	EV::loop EV::LOOP_ONESHOT;
318	}	468	}
		469	}
		470
		471	$time = EV::time - $time;
		472
		473	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		474	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		475
		476	$tick_start += $time; # do not account sync jobs to server load
319		477
320	wantarray ? @res : $res[0]	478	wantarray ? @res : $res[0]
321	} else {	479	} else {
322	# we are in another coroutine, how wonderful, everything just works	480	# we are in another coroutine, how wonderful, everything just works
323		481
…		…
343	$EXT_CORO{$coro+0} = $coro;	501	$EXT_CORO{$coro+0} = $coro;
344		502
345	$coro	503	$coro
346	}	504	}
347		505
348	sub write_runtime {	506	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		507
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	508	Executes the given code block with the given arguments in a seperate
352	or return;	509	process, returning the results. Everything must be serialisable with
		510	Coro::Storable. May, of course, block. Note that the executed sub may
		511	never block itself or use any form of event handling.
353		512
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	513	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		514
358	aio_fsync $fh	515	sub fork_call(&@) {
359	and return;	516	my ($cb, @args) = @_;
360		517
361	close $fh	518	# we seemingly have to make a local copy of the whole thing,
362	or return;	519	# otherwise perl prematurely frees the stuff :/
		520	# TODO: investigate and fix (likely this will be rather laborious)
363		521
364	aio_rename "$runtime~", $runtime	522	my @res = Coro::Util::fork_eval {
365	and return;	523	reset_signals;
		524	&$cb
		525	}, @args;
366		526
		527	wantarray ? @res : $res[-1]
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=item $db = cf::db_table "name"
		540
		541	Create and/or open a new database table. The string must not be "db" and must be unique
		542	within each server.
		543
		544	=cut
		545
		546	sub db_table($) {
		547	my ($name) = @_;
		548	my $db = BDB::db_create $DB_ENV;
		549
		550	eval {
		551	$db->set_flags (BDB::CHKSUM);
		552
		553	utf8::encode $name;
		554	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		555	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		556	cf::cleanup "db_open(db): $!" if $!;
		557	};
		558	cf::cleanup "db_open(db): $@" if $@;
		559
		560	$db
		561	}
		562
		563	our $DB;
		564
		565	sub db_init {
		566	cf::sync_job {
		567	$DB ||= db_table "db";
		568	};
		569	}
		570
		571	sub db_get($$) {
		572	my $key = "$_[0]/$_[1]";
		573
		574	cf::sync_job {
		575	BDB::db_get $DB, undef, $key, my $data;
		576
		577	$! ? ()
		578	: $data
367	1	579	}
		580	}
		581
		582	sub db_put($$$) {
		583	BDB::dbreq_pri 4;
		584	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		585	}
		586
		587	=item cf::cache $id => [$paths...], $processversion => $process
		588
		589	Generic caching function that returns the value of the resource $id,
		590	caching and regenerating as required.
		591
		592	This function can block.
		593
		594	=cut
		595
		596	sub cache {
		597	my ($id, $src, $processversion, $process) = @_;
		598
		599	my $meta =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	aio_stat $_
		604	and Carp::croak "$_: $!";
		605
		606	($_, (stat _)[7,9])
		607	} @$src;
		608
		609	my $dbmeta = db_get cache => "$id/meta";
		610	if ($dbmeta ne $meta) {
		611	# changed, we may need to process
		612
		613	my @data;
		614	my $md5;
		615
		616	for (0 .. $#$src) {
		617	0 <= aio_load $src->[$_], $data[$_]
		618	or Carp::croak "$src->[$_]: $!";
		619	}
		620
		621	# if processing is expensive, check
		622	# checksum first
		623	if (1) {
		624	$md5 =
		625	join "\x00",
		626	$processversion,
		627	map {
		628	cf::cede_to_tick;
		629	($src->[$_], Digest::MD5::md5_hex $data[$_])
		630	} 0.. $#$src;
		631
		632
		633	my $dbmd5 = db_get cache => "$id/md5";
		634	if ($dbmd5 eq $md5) {
		635	db_put cache => "$id/meta", $meta;
		636
		637	return db_get cache => "$id/data";
		638	}
		639	}
		640
		641	my $t1 = Time::HiRes::time;
		642	my $data = $process->(\@data);
		643	my $t2 = Time::HiRes::time;
		644
		645	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		646
		647	db_put cache => "$id/data", $data;
		648	db_put cache => "$id/md5" , $md5;
		649	db_put cache => "$id/meta", $meta;
		650
		651	return $data;
		652	}
		653
		654	db_get cache => "$id/data"
		655	}
		656
		657	=item cf::datalog type => key => value, ...
		658
		659	Log a datalog packet of the given type with the given key-value pairs.
		660
		661	=cut
		662
		663	sub datalog($@) {
		664	my ($type, %kv) = @_;
		665	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	666	}
369		667
370	=back	668	=back
371		669
372	=cut	670	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	677	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	678	to it. All such attachable objects support the following methods.
381		679
382	In the following description, CLASS can be any of C<global>, C<object>	680	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	681	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	682	Deliantra).
385		683
386	=over 4	684	=over 4
387		685
388	=item $attachable->attach ($attachment, key => $value...)	686	=item $attachable->attach ($attachment, key => $value...)
389		687
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	801	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	802	our @CB_MAP = ();
505		803
506	my %attachment;	804	my %attachment;
507		805
		806	sub cf::attachable::thawer_merge {
		807	# simply override everything except _meta
		808	local $_[0]{_meta};
		809	%{$_[0]} = %{$_[1]};
		810	}
		811
508	sub _attach_cb($$$$) {	812	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	813	my ($registry, $event, $prio, $cb) = @_;
510		814
511	use sort 'stable';	815	use sort 'stable';
512		816
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	850	$registry = $CB_TYPE[$object_type] ||= [];
547		851
548	} elsif ($type eq "subtype") {	852	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	853	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	854	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	855	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		856
553	} elsif ($type eq "package") {	857	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	858	my $pkg = shift @arg;
555		859
556	while (my ($name, $id) = each %cb_id) {	860	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	889	_attach $registry, $klass, @attach;
586	}	890	}
587		891
588	$obj->{$name} = \%arg;	892	$obj->{$name} = \%arg;
589	} else {	893	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	894	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	895	}
592		896
593	$obj->{_attachment}{$name} = undef;	897	$obj->{_attachment}{$name} = undef;
594	}	898	}
595		899
…		…
597	if (ref $_[0]) {	901	if (ref $_[0]) {
598	_object_attach @_;	902	_object_attach @_;
599	} else {	903	} else {
600	_attach shift->_attach_registry, @_;	904	_attach shift->_attach_registry, @_;
601	}	905	}
		906	_recalc_want;
602	};	907	};
603		908
604	# all those should be optimised	909	# all those should be optimised
605	sub cf::attachable::detach {	910	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	911	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	914	delete $obj->{_attachment}{$name};
610	reattach ($obj);	915	reattach ($obj);
611	} else {	916	} else {
612	Carp::croak "cannot, currently, detach class attachments";	917	Carp::croak "cannot, currently, detach class attachments";
613	}	918	}
		919	_recalc_want;
614	};	920	};
615		921
616	sub cf::attachable::attached {	922	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
618		924
…		…
633	";	939	";
634	die if $@;	940	die if $@;
635	}	941	}
636		942
637	our $override;	943	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	944	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		945
640	sub override {	946	sub override {
641	$override = 1;	947	$override = 1;
642	@invoke_results = ();	948	@INVOKE_RESULTS = (@_);
643	}	949	}
644		950
645	sub do_invoke {	951	sub do_invoke {
646	my $event = shift;	952	my $event = shift;
647	my $callbacks = shift;	953	my $callbacks = shift;
648		954
649	@invoke_results = ();	955	@INVOKE_RESULTS = ();
650		956
651	local $override;	957	local $override;
652		958
653	for (@$callbacks) {	959	for (@$callbacks) {
654	eval { &{$_->[1]} };	960	eval { &{$_->[1]} };
…		…
663	}	969	}
664		970
665	0	971	0
666	}	972	}
667		973
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	974	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		975
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		977
672	Generate an object-specific event with the given arguments.	978	Generate an object-specific event with the given arguments.
673		979
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	980	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	981	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	982	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		983
678	=back	984	=back
679		985
680	=cut	986	=cut
681		987
682	#############################################################################	988	#############################################################################
683	# object support	989	# object support
		990
		991	sub _object_equal($$);
		992	sub _object_equal($$) {
		993	my ($a, $b) = @_;
		994
		995	return 0 unless (ref $a) eq (ref $b);
		996
		997	if ("HASH" eq ref $a) {
		998	my @ka = keys %$a;
		999	my @kb = keys %$b;
		1000
		1001	return 0 if @ka != @kb;
		1002
		1003	for (0 .. $#ka) {
		1004	return 0 unless $ka[$_] eq $kb[$_];
		1005	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1006	}
		1007
		1008	} elsif ("ARRAY" eq ref $a) {
		1009
		1010	return 0 if @$a != @$b;
		1011
		1012	for (0 .. $#$a) {
		1013	return 0 unless _object_equal $a->[$_], $b->[$_];
		1014	}
		1015
		1016	} elsif ($a ne $b) {
		1017	return 0;
		1018	}
		1019
		1020	1
		1021	}
		1022
		1023	our $SLOW_MERGES;#d#
		1024	sub _can_merge {
		1025	my ($ob1, $ob2) = @_;
		1026
		1027	++$SLOW_MERGES;#d#
		1028
		1029	# we do the slow way here
		1030	return _object_equal $ob1, $ob2
		1031	}
684		1032
685	sub reattach {	1033	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1034	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1035	my ($obj) = @_;
688		1036
…		…
709	cf::attachable->attach (	1057	cf::attachable->attach (
710	prio => -1000000,	1058	prio => -1000000,
711	on_instantiate => sub {	1059	on_instantiate => sub {
712	my ($obj, $data) = @_;	1060	my ($obj, $data) = @_;
713		1061
714	$data = from_json $data;	1062	$data = decode_json $data;
715		1063
716	for (@$data) {	1064	for (@$data) {
717	my ($name, $args) = @$_;	1065	my ($name, $args) = @$_;
718		1066
719	$obj->attach ($name, %{$args || {} });	1067	$obj->attach ($name, %{$args || {} });
…		…
735	sub object_freezer_save {	1083	sub object_freezer_save {
736	my ($filename, $rdata, $objs) = @_;	1084	my ($filename, $rdata, $objs) = @_;
737		1085
738	sync_job {	1086	sync_job {
739	if (length $$rdata) {	1087	if (length $$rdata) {
		1088	utf8::decode (my $decname = $filename);
740	warn sprintf "saving %s (%d,%d)\n",	1089	warn sprintf "saving %s (%d,%d)\n",
741	$filename, length $$rdata, scalar @$objs;	1090	$decname, length $$rdata, scalar @$objs;
742		1091
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	1093	chmod SAVE_MODE, $fh;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	1095	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	1096	close $fh;
748		1097
749	if (@$objs) {	1098	if (@$objs) {
750	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1099	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
751	chmod SAVE_MODE, $fh;	1100	chmod SAVE_MODE, $fh;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	1102	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	1103	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	1104	close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	1105	aio_rename "$filename.pst~", "$filename.pst";
757	}	1106	}
758	} else {	1107	} else {
759	aio_unlink "$filename.pst";	1108	aio_unlink "$filename.pst";
…		…
765	}	1114	}
766	} else {	1115	} else {
767	aio_unlink $filename;	1116	aio_unlink $filename;
768	aio_unlink "$filename.pst";	1117	aio_unlink "$filename.pst";
769	}	1118	}
770	}	1119	};
771	}	1120	}
772		1121
773	sub object_freezer_as_string {	1122	sub object_freezer_as_string {
774	my ($rdata, $objs) = @_;	1123	my ($rdata, $objs) = @_;
775		1124
…		…
787	or return;	1136	or return;
788		1137
789	unless (aio_stat "$filename.pst") {	1138	unless (aio_stat "$filename.pst") {
790	(aio_load "$filename.pst", $av) >= 0	1139	(aio_load "$filename.pst", $av) >= 0
791	or return;	1140	or return;
		1141
792	$av = eval { (Storable::thaw $av)->{objs} };	1142	my $st = eval { Coro::Storable::thaw $av };
		1143	$av = $st->{objs};
793	}	1144	}
794		1145
		1146	utf8::decode (my $decname = $filename);
795	warn sprintf "loading %s (%d)\n",	1147	warn sprintf "loading %s (%d,%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	1148	$decname, length $data, scalar @{$av || []};
		1149
797	return ($data, $av);	1150	($data, $av)
798	}	1151	}
		1152
		1153	=head2 COMMAND CALLBACKS
		1154
		1155	=over 4
		1156
		1157	=cut
799		1158
800	#############################################################################	1159	#############################################################################
801	# command handling &c	1160	# command handling &c
802		1161
803	=item cf::register_command $name => \&callback($ob,$args);	1162	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1175	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1176	}
818		1177
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1178	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1179
821	Register a callbackf ro execution when the client sends an extcmd packet.	1180	Register a callback for execution when the client sends an (synchronous)
		1181	extcmd packet. Ext commands will be processed in the order they are
		1182	received by the server, like other user commands. The first argument is
		1183	the logged-in player. Ext commands can only be processed after a player
		1184	has logged in successfully.
822		1185
823	If the callback returns something, it is sent back as if reply was being	1186	If the callback returns something, it is sent back as if reply was being
824	called.	1187	called.
825		1188
		1189	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1190
		1191	Register a callback for execution when the client sends an (asynchronous)
		1192	exticmd packet. Exti commands are processed by the server as soon as they
		1193	are received, i.e. out of order w.r.t. other commands. The first argument
		1194	is a client socket. Exti commands can be received anytime, even before
		1195	log-in.
		1196
		1197	If the callback returns something, it is sent back as if reply was being
		1198	called.
		1199
826	=cut	1200	=cut
827		1201
828	sub register_extcmd {	1202	sub register_extcmd {
829	my ($name, $cb) = @_;	1203	my ($name, $cb) = @_;
830		1204
831	$EXTCMD{$name} = $cb;	1205	$EXTCMD{$name} = $cb;
		1206	}
		1207
		1208	sub register_exticmd {
		1209	my ($name, $cb) = @_;
		1210
		1211	$EXTICMD{$name} = $cb;
832	}	1212	}
833		1213
834	cf::player->attach (	1214	cf::player->attach (
835	on_command => sub {	1215	on_command => sub {
836	my ($pl, $name, $params) = @_;	1216	my ($pl, $name, $params) = @_;
…		…
845	cf::override;	1225	cf::override;
846	},	1226	},
847	on_extcmd => sub {	1227	on_extcmd => sub {
848	my ($pl, $buf) = @_;	1228	my ($pl, $buf) = @_;
849		1229
850	my $msg = eval { from_json $buf };	1230	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851		1231
852	if (ref $msg) {	1232	if (ref $msg) {
		1233	my ($type, $reply, @payload) =
		1234	"ARRAY" eq ref $msg
		1235	? @$msg
		1236	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1237
		1238	my @reply;
		1239
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1240	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1241	@reply = $cb->($pl, @payload);
855	$pl->ext_reply ($msg->{msgid}, %reply);
856	}
857	}	1242	}
		1243
		1244	$pl->ext_reply ($reply, @reply)
		1245	if $reply;
		1246
858	} else {	1247	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1248	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1249	}
861		1250
862	cf::override;	1251	cf::override;
863	},	1252	},
864	);	1253	);
865		1254
866	sub load_extension {
867	my ($path) = @_;
868
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
870	my $base = $1;
871	my $pkg = $1;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}
894	die $@;
895	}
896
897	push @EXTS, $pkg;
898	}
899
900	sub load_extensions {	1255	sub load_extensions {
		1256	cf::sync_job {
		1257	my %todo;
		1258
901	for my $ext (<$LIBDIR/*.ext>) {	1259	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1260	next unless -r $path;
903	eval {	1261
904	load_extension $ext;	1262	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1263	my $base = $1;
		1264	my $pkg = $1;
		1265	$pkg =~ s/[^[:word:]]/_/g;
		1266	$pkg = "ext::$pkg";
		1267
		1268	open my $fh, "<:utf8", $path
		1269	or die "$path: $!";
		1270
		1271	my $source = do { local $/; <$fh> };
		1272
		1273	my %ext = (
		1274	path => $path,
		1275	base => $base,
		1276	pkg => $pkg,
		1277	);
		1278
		1279	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1280	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1281
		1282	$ext{source} =
		1283	"package $pkg; use strict; use utf8;\n"
		1284	. "#line 1 \"$path\"\n{\n"
		1285	. $source
		1286	. "\n};\n1";
		1287
		1288	$todo{$base} = \%ext;
		1289	}
		1290
		1291	my %done;
		1292	while (%todo) {
		1293	my $progress;
		1294
		1295	while (my ($k, $v) = each %todo) {
		1296	for (split /,\s*/, $v->{meta}{depends}) {
		1297	goto skip
		1298	unless exists $done{$_};
		1299	}
		1300
		1301	warn "... loading '$k' into '$v->{pkg}'\n";
		1302
		1303	unless (eval $v->{source}) {
		1304	my $msg = $@ ? "$v->{path}: $@\n"
		1305	: "$v->{base}: extension inactive.\n";
		1306
		1307	if (exists $v->{meta}{mandatory}) {
		1308	warn $msg;
		1309	warn "mandatory extension failed to load, exiting.\n";
		1310	exit 1;
		1311	}
		1312
		1313	warn $msg;
		1314	}
		1315
		1316	$done{$k} = delete $todo{$k};
		1317	push @EXTS, $v->{pkg};
		1318	$progress = 1;
905	1	1319	}
906	} or warn "$ext not loaded: $@";	1320
		1321	skip:
		1322	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1323	unless $progress;
		1324	}
907	}	1325	};
908	}	1326	}
909		1327
910	#############################################################################	1328	#############################################################################
911		1329
		1330	=back
		1331
912	=head2 CORE EXTENSIONS	1332	=head2 CORE EXTENSIONS
913		1333
914	Functions and methods that extend core crossfire objects.	1334	Functions and methods that extend core crossfire objects.
915		1335
916	=cut	1336	=cut
…		…
921		1341
922	=head3 cf::player	1342	=head3 cf::player
923		1343
924	=over 4	1344	=over 4
925		1345
		1346	=item cf::player::num_playing
		1347
		1348	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1349
		1350	=cut
		1351
		1352	sub num_playing {
		1353	scalar grep
		1354	$_->ob->map
		1355	&& !$_->hidden
		1356	&& !$_->ob->flag (cf::FLAG_WIZ),
		1357	cf::player::list
		1358	}
		1359
926	=item cf::player::find $login	1360	=item cf::player::find $login
927		1361
928	Returns the given player object, loading it if necessary (might block).	1362	Returns the given player object, loading it if necessary (might block).
929		1363
930	=cut	1364	=cut
931		1365
932	sub playerdir($) {	1366	sub playerdir($) {
933	cf::localdir	1367	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1368	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1369	}
939		1370
940	sub path($) {	1371	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1372	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1373
943	(playerdir $login) . "/$login.pl"	1374	(playerdir $login) . "/playerdata"
944	}	1375	}
945		1376
946	sub find_active($) {	1377	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1378	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1379	and $cf::PLAYER{$_[0]}->active
…		…
951		1382
952	sub exists($) {	1383	sub exists($) {
953	my ($login) = @_;	1384	my ($login) = @_;
954		1385
955	$cf::PLAYER{$login}	1386	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1387	or cf::sync_job { !aio_stat path $login }
957	}	1388	}
958		1389
959	sub find($) {	1390	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1391	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1392	my $login = $_[0];
962		1393
963	my $guard = cf::lock_acquire "user_find:$login";	1394	my $guard = cf::lock_acquire "user_find:$login";
964		1395
965	$cf::PLAYER{$_[0]} || do {	1396	$cf::PLAYER{$_[0]} || do {
966	my $pl = load_pl path $login	1397	# rename old playerfiles to new ones
		1398	#TODO: remove when no longer required
		1399	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1400	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1401	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1402	aio_unlink +(playerdir $login) . "/$login.pl";
		1403
		1404	my $f = new_from_file cf::object::thawer path $login
967	or return;	1405	or return;
		1406
		1407	my $pl = cf::player::load_pl $f
		1408	or return;
		1409	local $cf::PLAYER_LOADING{$login} = $pl;
		1410	$f->resolve_delayed_derefs;
968	$cf::PLAYER{$login} = $pl	1411	$cf::PLAYER{$login} = $pl
969	}	1412	}
970	}	1413	}
971	}	1414	}
972		1415
…		…
982		1425
983	aio_mkdir playerdir $pl, 0770;	1426	aio_mkdir playerdir $pl, 0770;
984	$pl->{last_save} = $cf::RUNTIME;	1427	$pl->{last_save} = $cf::RUNTIME;
985		1428
986	$pl->save_pl ($path);	1429	$pl->save_pl ($path);
987	Coro::cede;	1430	cf::cede_to_tick;
988	}	1431	}
989		1432
990	sub new($) {	1433	sub new($) {
991	my ($login) = @_;	1434	my ($login) = @_;
992		1435
…		…
998	$cf::PLAYER{$login} = $self;	1441	$cf::PLAYER{$login} = $self;
999		1442
1000	$self	1443	$self
1001	}	1444	}
1002		1445
		1446	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1447
		1448	=cut
		1449
		1450	sub send_msg {
		1451	my $ns = shift->ns
		1452	or return;
		1453	$ns->send_msg (@_);
		1454	}
		1455
1003	=item $pl->quit_character	1456	=item $pl->quit_character
1004		1457
1005	Nukes the player without looking back. If logged in, the connection will	1458	Nukes the player without looking back. If logged in, the connection will
1006	be destroyed. May block for a long time.	1459	be destroyed. May block for a long time.
1007		1460
1008	=cut	1461	=cut
1009		1462
1010	sub quit_character {	1463	sub quit_character {
1011	my ($pl) = @_;	1464	my ($pl) = @_;
		1465
		1466	my $name = $pl->ob->name;
1012		1467
1013	$pl->{deny_save} = 1;	1468	$pl->{deny_save} = 1;
1014	$pl->password ("*"); # this should lock out the player until we nuked the dir	1469	$pl->password ("*"); # this should lock out the player until we nuked the dir
1015		1470
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1471	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1021	my $path = playerdir $pl;	1476	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1477	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1478	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1479	delete $cf::PLAYER{$pl->ob->name};
1025	$pl->destroy;	1480	$pl->destroy;
		1481
		1482	my $prefix = qr<^~\Q$name\E/>;
		1483
		1484	# nuke player maps
		1485	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1486
1026	IO::AIO::aio_rmtree $temp;	1487	IO::AIO::aio_rmtree $temp;
		1488	}
		1489
		1490	=item $pl->kick
		1491
		1492	Kicks a player out of the game. This destroys the connection.
		1493
		1494	=cut
		1495
		1496	sub kick {
		1497	my ($pl, $kicker) = @_;
		1498
		1499	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1500	$pl->killer ("kicked");
		1501	$pl->ns->destroy;
1027	}	1502	}
1028		1503
1029	=item cf::player::list_logins	1504	=item cf::player::list_logins
1030		1505
1031	Returns am arrayref of all valid playernames in the system, can take a	1506	Returns am arrayref of all valid playernames in the system, can take a
1032	while and may block, so not sync_job-capable, ever.	1507	while and may block, so not sync_job-capable, ever.
1033		1508
1034	=cut	1509	=cut
1035		1510
1036	sub list_logins {	1511	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1512	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1513	or return [];
1039		1514
1040	my @logins;	1515	my @logins;
1041		1516
1042	for my $login (@$dirs) {	1517	for my $login (@$dirs) {
		1518	my $path = path $login;
		1519
		1520	# a .pst is a dead give-away for a valid player
		1521	unless (-e "$path.pst") {
1043	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1044	aio_read $fh, 0, 512, my $buf, 0 or next;	1523	aio_read $fh, 0, 512, my $buf, 0 or next;
1045	$buf !~ /^password -------------$/m or next; # official not-valid tag	1524	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1525	}
1046		1526
1047	utf8::decode $login;	1527	utf8::decode $login;
1048	push @logins, $login;	1528	push @logins, $login;
1049	}	1529	}
1050		1530
…		…
1058		1538
1059	=cut	1539	=cut
1060		1540
1061	sub maps($) {	1541	sub maps($) {
1062	my ($pl) = @_;	1542	my ($pl) = @_;
		1543
		1544	$pl = ref $pl ? $pl->ob->name : $pl;
1063		1545
1064	my $files = aio_readdir playerdir $pl	1546	my $files = aio_readdir playerdir $pl
1065	or return;	1547	or return;
1066		1548
1067	my @paths;	1549	my @paths;
…		…
1069	for (@$files) {	1551	for (@$files) {
1070	utf8::decode $_;	1552	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1553	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1554	next unless /^$PATH_SEP/o;
1073		1555
1074	s/\.map$//;	1556	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1557	}
1077		1558
1078	\@paths	1559	\@paths
1079	}	1560	}
1080		1561
		1562	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1563
		1564	Expand crossfire pod fragments into protocol xml.
		1565
		1566	=cut
		1567
		1568	use re 'eval';
		1569
		1570	my $group;
		1571	my $interior; $interior = qr{
		1572	# match a pod interior sequence sans C<< >>
		1573	(?:
		1574	\ (.*?)\ (?{ $group = $^N })
		1575	| < (??{$interior}) >
		1576	)
		1577	}x;
		1578
		1579	sub expand_cfpod {
		1580	my ($self, $pod) = @_;
		1581
		1582	my $xml;
		1583
		1584	while () {
		1585	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1586	$group = $1;
		1587
		1588	$group =~ s/&/&amp;/g;
		1589	$group =~ s/</&lt;/g;
		1590
		1591	$xml .= $group;
		1592	} elsif ($pod =~ m%\G
		1593	([BCGHITU])
		1594	<
		1595	(?:
		1596	([^<>]*) (?{ $group = $^N })
		1597	| < $interior >
		1598	)
		1599	>
		1600	%gcsx
		1601	) {
		1602	my ($code, $data) = ($1, $group);
		1603
		1604	if ($code eq "B") {
		1605	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1606	} elsif ($code eq "I") {
		1607	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1608	} elsif ($code eq "U") {
		1609	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1610	} elsif ($code eq "C") {
		1611	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1612	} elsif ($code eq "T") {
		1613	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1614	} elsif ($code eq "G") {
		1615	my ($male, $female) = split /\|/, $data;
		1616	$data = $self->gender ? $female : $male;
		1617	$xml .= expand_cfpod ($self, $data);
		1618	} elsif ($code eq "H") {
		1619	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1620	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1621	"")
		1622	[$self->{hintmode}];
		1623	} else {
		1624	$xml .= "error processing '$code($data)' directive";
		1625	}
		1626	} else {
		1627	if ($pod =~ /\G(.+)/) {
		1628	warn "parse error while expanding $pod (at $1)";
		1629	}
		1630	last;
		1631	}
		1632	}
		1633
		1634	for ($xml) {
		1635	# create single paragraphs (very hackish)
		1636	s/(?<=\S)\n(?=\w)/ /g;
		1637
		1638	# compress some whitespace
		1639	s/\s+\n/\n/g; # ws line-ends
		1640	s/\n\n+/\n/g; # double lines
		1641	s/^\n+//; # beginning lines
		1642	s/\n+$//; # ending lines
		1643	}
		1644
		1645	$xml
		1646	}
		1647
		1648	no re 'eval';
		1649
		1650	sub hintmode {
		1651	$_[0]{hintmode} = $_[1] if @_ > 1;
		1652	$_[0]{hintmode}
		1653	}
		1654
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1655	=item $player->ext_reply ($msgid, @msg)
1082		1656
1083	Sends an ext reply to the player.	1657	Sends an ext reply to the player.
1084		1658
1085	=cut	1659	=cut
1086		1660
1087	sub ext_reply($$$%) {	1661	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1662	my ($self, $id, @msg) = @_;
1089		1663
1090	$msg{msgid} = $id;	1664	$self->ns->ext_reply ($id, @msg)
1091
1092	$self->send ("ext " . cf::to_json \%msg);
1093	}	1665	}
1094		1666
1095	package cf;	1667	=item $player->ext_msg ($type, @msg)
		1668
		1669	Sends an ext event to the client.
		1670
		1671	=cut
		1672
		1673	sub ext_msg($$@) {
		1674	my ($self, $type, @msg) = @_;
		1675
		1676	$self->ns->ext_msg ($type, @msg);
		1677	}
		1678
		1679	=head3 cf::region
		1680
		1681	=over 4
		1682
		1683	=cut
		1684
		1685	package cf::region;
		1686
		1687	=item cf::region::find_by_path $path
		1688
		1689	Tries to decuce the likely region for a map knowing only its path.
		1690
		1691	=cut
		1692
		1693	sub find_by_path($) {
		1694	my ($path) = @_;
		1695
		1696	my ($match, $specificity);
		1697
		1698	for my $region (list) {
		1699	if ($region->{match} && $path =~ $region->{match}) {
		1700	($match, $specificity) = ($region, $region->specificity)
		1701	if $region->specificity > $specificity;
		1702	}
		1703	}
		1704
		1705	$match
		1706	}
1096		1707
1097	=back	1708	=back
1098
1099		1709
1100	=head3 cf::map	1710	=head3 cf::map
1101		1711
1102	=over 4	1712	=over 4
1103		1713
…		…
1107		1717
1108	use Fcntl;	1718	use Fcntl;
1109	use Coro::AIO;	1719	use Coro::AIO;
1110		1720
1111	use overload	1721	use overload
1112	'""' => \&as_string;	1722	'""' => \&as_string,
		1723	fallback => 1;
1113		1724
1114	our $MAX_RESET = 3600;	1725	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1726	our $DEFAULT_RESET = 3000;
1116		1727
1117	sub generate_random_map {	1728	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1729	my ($self, $rmp) = @_;
1119
1120	# mit "rum" bekleckern, nicht	1730	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1731	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1732	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1733	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1734	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1741	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1742	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1743	)
1134	}	1744	}
1135		1745
		1746	=item cf::map->register ($regex, $prio)
		1747
		1748	Register a handler for the map path matching the given regex at the
		1749	givne priority (higher is better, built-in handlers have priority 0, the
		1750	default).
		1751
		1752	=cut
		1753
1136	sub register {	1754	sub register {
1137	my (undef, $regex) = @_;	1755	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1756	my $pkg = caller;
1139		1757
1140	no strict;	1758	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1759	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1760
1143	$EXT_MAP{$pkg} = qr<$regex>;	1761	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1762	}
1145		1763
1146	# also paths starting with '/'	1764	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1765	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1766
		1767	sub thawer_merge {
		1768	my ($self, $merge) = @_;
		1769
		1770	# we have to keep some variables in memory intact
		1771	local $self->{path};
		1772	local $self->{load_path};
		1773
		1774	$self->SUPER::thawer_merge ($merge);
		1775	}
1148		1776
1149	sub normalise {	1777	sub normalise {
1150	my ($path, $base) = @_;	1778	my ($path, $base) = @_;
		1779
		1780	$path = "$path"; # make sure its a string
		1781
		1782	$path =~ s/\.map$//;
1151		1783
1152	# map plan:	1784	# map plan:
1153	#	1785	#
1154	# /! non-realised random map exit (special hack!)	1786	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1787	# {... are special paths that are not being touched
…		…
1183		1815
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1816	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1817
1186	$path = normalise $path, $base;	1818	$path = normalise $path, $base;
1187		1819
1188	for my $pkg (keys %EXT_MAP) {	1820	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1821	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1822	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1823	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1824	$self->init; # pass $1 etc.
1193	return $self;	1825	return $self;
1194	}	1826	}
1195	}	1827	}
1196		1828
1197	Carp::carp "unable to resolve path '$path'.";	1829	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1830	()
1199	}	1831	}
1200		1832
1201	sub init {	1833	sub init {
1202	my ($self) = @_;	1834	my ($self) = @_;
…		…
1217		1849
1218	# the original (read-only) location	1850	# the original (read-only) location
1219	sub load_path {	1851	sub load_path {
1220	my ($self) = @_;	1852	my ($self) = @_;
1221		1853
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1854	"$MAPDIR/$self->{path}.map"
1223	}	1855	}
1224		1856
1225	# the temporary/swap location	1857	# the temporary/swap location
1226	sub save_path {	1858	sub save_path {
1227	my ($self) = @_;	1859	my ($self) = @_;
1228		1860
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1861	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1862	"$TMPDIR/$path.map"
1231	}	1863	}
1232		1864
1233	# the unique path, undef == no special unique path	1865	# the unique path, undef == no special unique path
1234	sub uniq_path {	1866	sub uniq_path {
1235	my ($self) = @_;	1867	my ($self) = @_;
1236		1868
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1870	"$UNIQUEDIR/$path"
1239	}	1871	}
1240		1872
1241	# and all this just because we cannot iterate over	1873	# and all this just because we cannot iterate over
1242	# all maps in C++...	1874	# all maps in C++...
1243	sub change_all_map_light {	1875	sub change_all_map_light {
…		…
1245		1877
1246	$_->change_map_light ($change)	1878	$_->change_map_light ($change)
1247	for grep $_->outdoor, values %cf::MAP;	1879	for grep $_->outdoor, values %cf::MAP;
1248	}	1880	}
1249		1881
		1882	sub decay_objects {
		1883	my ($self) = @_;
		1884
		1885	return if $self->{deny_reset};
		1886
		1887	$self->do_decay_objects;
		1888	}
		1889
1250	sub unlink_save {	1890	sub unlink_save {
1251	my ($self) = @_;	1891	my ($self) = @_;
1252		1892
1253	utf8::encode (my $save = $self->save_path);	1893	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1895	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1896	}
1257		1897
1258	sub load_header_from($) {	1898	sub load_header_from($) {
1259	my ($self, $path) = @_;	1899	my ($self, $path) = @_;
1260		1900
1261	utf8::encode $path;	1901	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1902	my $f = new_from_file cf::object::thawer $path
1263	or return;	1903	or return;
1264		1904
1265	$self->_load_header ($path)	1905	$self->_load_header ($f)
1266	or return;	1906	or return;
1267		1907
		1908	local $MAP_LOADING{$self->{path}} = $self;
		1909	$f->resolve_delayed_derefs;
		1910
1268	$self->{load_path} = $path;	1911	$self->{load_path} = $path;
1269		1912
1270	1	1913	1
1271	}	1914	}
1272		1915
1273	sub load_orig {	1916	sub load_header_orig {
1274	my ($self) = @_;	1917	my ($self) = @_;
1275		1918
1276	$self->load_header_from ($self->load_path)	1919	$self->load_header_from ($self->load_path)
1277	}	1920	}
1278		1921
1279	sub load_temp {	1922	sub load_header_temp {
1280	my ($self) = @_;	1923	my ($self) = @_;
1281		1924
1282	$self->load_header_from ($self->save_path)	1925	$self->load_header_from ($self->save_path)
		1926	}
		1927
		1928	sub prepare_temp {
		1929	my ($self) = @_;
		1930
		1931	$self->last_access ((delete $self->{last_access})
		1932	|| $cf::RUNTIME); #d#
		1933	# safety
		1934	$self->{instantiate_time} = $cf::RUNTIME
		1935	if $self->{instantiate_time} > $cf::RUNTIME;
		1936	}
		1937
		1938	sub prepare_orig {
		1939	my ($self) = @_;
		1940
		1941	$self->{load_original} = 1;
		1942	$self->{instantiate_time} = $cf::RUNTIME;
		1943	$self->last_access ($cf::RUNTIME);
		1944	$self->instantiate;
1283	}	1945	}
1284		1946
1285	sub load_header {	1947	sub load_header {
1286	my ($self) = @_;	1948	my ($self) = @_;
1287		1949
1288	if ($self->load_temp) {	1950	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	1951	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	1952	} else {
1295	$self->load_orig	1953	$self->load_header_orig
1296	or return;	1954	or return;
1297		1955	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	1956	}
		1957
		1958	$self->{deny_reset} = 1
		1959	if $self->no_reset;
		1960
		1961	$self->default_region (cf::region::find_by_path $self->{path})
		1962	unless $self->default_region;
1303		1963
1304	1	1964	1
1305	}	1965	}
1306		1966
1307	sub find;	1967	sub find;
1308	sub find {	1968	sub find {
1309	my ($path, $origin) = @_;	1969	my ($path, $origin) = @_;
1310		1970
1311	$path = normalise $path, $origin && $origin->path;	1971	$path = normalise $path, $origin && $origin->path;
1312		1972
		1973	cf::lock_wait "map_data:$path";#d#remove
1313	cf::lock_wait "map_find:$path";	1974	cf::lock_wait "map_find:$path";
1314		1975
1315	$cf::MAP{$path} || do {	1976	$cf::MAP{$path} || do {
1316	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard1 = cf::lock_acquire "map_find:$path";
		1978	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1979
1317	my $map = new_from_path cf::map $path	1980	my $map = new_from_path cf::map $path
1318	or return;	1981	or return;
1319		1982
1320	$map->{last_save} = $cf::RUNTIME;	1983	$map->{last_save} = $cf::RUNTIME;
1321		1984
1322	$map->load_header	1985	$map->load_header
1323	or return;	1986	or return;
1324		1987
1325	if ($map->should_reset) {	1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1989	# doing this can freeze the server in a sync job, obviously
		1990	#$cf::WAIT_FOR_TICK->wait;
		1991	undef $guard1;
		1992	undef $guard2;
1326	$map->reset;	1993	$map->reset;
1327	undef $guard;
1328	$map = find $path	1994	return find $path;
1329	or return;
1330	}	1995	}
1331		1996
1332	$cf::MAP{$path} = $map	1997	$cf::MAP{$path} = $map
1333	}	1998	}
1334	}	1999	}
		2000
		2001	sub pre_load { }
		2002	sub post_load { }
1335		2003
1336	sub load {	2004	sub load {
1337	my ($self) = @_;	2005	my ($self) = @_;
1338		2006
		2007	local $self->{deny_reset} = 1; # loading can take a long time
		2008
1339	my $path = $self->{path};	2009	my $path = $self->{path};
		2010
		2011	{
1340	my $guard = cf::lock_acquire "map_load:$path";	2012	my $guard = cf::lock_acquire "map_data:$path";
1341		2013
		2014	return unless $self->valid;
1342	return if $self->in_memory != cf::MAP_SWAPPED;	2015	return unless $self->in_memory == cf::MAP_SWAPPED;
1343		2016
1344	$self->in_memory (cf::MAP_LOADING);	2017	$self->in_memory (cf::MAP_LOADING);
1345		2018
1346	$self->alloc;	2019	$self->alloc;
1347	$self->_load_objects ($self->{load_path}, 1)	2020
		2021	$self->pre_load;
		2022	cf::cede_to_tick;
		2023
		2024	my $f = new_from_file cf::object::thawer $self->{load_path};
		2025	$f->skip_block;
		2026	$self->_load_objects ($f)
1348	or return;	2027	or return;
1349		2028
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1351	if delete $self->{load_original};	2030	if delete $self->{load_original};
1352		2031
1353	if (my $uniq = $self->uniq_path) {	2032	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;	2033	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {	2034	unless (aio_stat $uniq) {
		2035	if (my $f = new_from_file cf::object::thawer $uniq) {
1356	$self->clear_unique_items;	2036	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);	2037	$self->_load_objects ($f);
		2038	$f->resolve_delayed_derefs;
		2039	}
1358	}	2040	}
1359	}	2041	}
1360		2042
1361	Coro::cede;	2043	$f->resolve_delayed_derefs;
1362		2044
		2045	cf::cede_to_tick;
1363	# now do the right thing for maps	2046	# now do the right thing for maps
1364	$self->link_multipart_objects;	2047	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;
1371	$self->set_darkness_map;
1372	$self->difficulty ($self->estimate_difficulty)	2048	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	2049	unless $self->difficulty;
1374	Coro::cede;	2050	cf::cede_to_tick;
		2051
		2052	unless ($self->{deny_activate}) {
		2053	$self->decay_objects;
		2054	$self->fix_auto_apply;
		2055	$self->update_buttons;
		2056	cf::cede_to_tick;
		2057	$self->set_darkness_map;
		2058	cf::cede_to_tick;
1375	$self->activate;	2059	$self->activate;
1376	}	2060	}
1377		2061
		2062	$self->{last_save} = $cf::RUNTIME;
		2063	$self->last_access ($cf::RUNTIME);
		2064
1378	$self->in_memory (cf::MAP_IN_MEMORY);	2065	$self->in_memory (cf::MAP_IN_MEMORY);
		2066	}
		2067
		2068	$self->post_load;
1379	}	2069	}
1380		2070
1381	sub customise_for {	2071	sub customise_for {
1382	my ($self, $ob) = @_;	2072	my ($self, $ob) = @_;
1383		2073
1384	return find "~" . $ob->name . "/" . $self->{path}	2074	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	2075	if $self->per_player;
1386		2076
		2077	# return find "?party/" . $ob->name . "/" . $self->{path}
		2078	# if $self->per_party;
		2079
1387	$self	2080	$self
1388	}	2081	}
1389		2082
1390	# find and load all maps in the 3x3 area around a map	2083	# find and load all maps in the 3x3 area around a map
1391	sub load_diag {	2084	sub load_neighbours {
1392	my ($map) = @_;	2085	my ($map) = @_;
1393		2086
1394	my @diag; # diagonal neighbours	2087	my @neigh; # diagonal neighbours
1395		2088
1396	for (0 .. 3) {	2089	for (0 .. 3) {
1397	my $neigh = $map->tile_path ($_)	2090	my $neigh = $map->tile_path ($_)
1398	or next;	2091	or next;
1399	$neigh = find $neigh, $map	2092	$neigh = find $neigh, $map
1400	or next;	2093	or next;
1401	$neigh->load;	2094	$neigh->load;
1402		2095
		2096	push @neigh,
1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1405	}	2099	}
1406		2100
1407	for (@diag) {	2101	for (grep defined $_->[0], @neigh) {
		2102	my ($path, $origin) = @$_;
1408	my $neigh = find @$_	2103	my $neigh = find $path, $origin
1409	or next;	2104	or next;
1410	$neigh->load;	2105	$neigh->load;
1411	}	2106	}
1412	}	2107	}
1413		2108
…		…
1418	}	2113	}
1419		2114
1420	sub do_load_sync {	2115	sub do_load_sync {
1421	my ($map) = @_;	2116	my ($map) = @_;
1422		2117
		2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2119	if $Coro::current == $Coro::main;
		2120
1423	cf::sync_job { $map->load };	2121	cf::sync_job { $map->load };
1424	}	2122	}
1425		2123
1426	our %MAP_PREFETCH;	2124	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	2125	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		2126
1440	sub find_async {	2127	sub find_async {
1441	my ($path, $origin) = @_;	2128	my ($path, $origin, $load) = @_;
1442		2129
1443	$path = normalise $path, $origin && $origin->{path};	2130	$path = normalise $path, $origin && $origin->{path};
1444		2131
1445	if (my $map = $cf::MAP{$path}) {	2132	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2134	}
		2135
		2136	$MAP_PREFETCH{$path} |= $load;
		2137
		2138	$MAP_PREFETCHER ||= cf::async {
		2139	$Coro::current->{desc} = "map prefetcher";
		2140
		2141	while (%MAP_PREFETCH) {
		2142	while (my ($k, $v) = each %MAP_PREFETCH) {
		2143	if (my $map = find $k) {
		2144	$map->load if $v;
		2145	}
		2146
		2147	delete $MAP_PREFETCH{$k};
		2148	}
		2149	}
		2150	undef $MAP_PREFETCHER;
1447	}	2151	};
1448
1449	$MAP_PREFETCH{$path} = 0;
1450	$MAP_PREFETCHER->ready;	2152	$MAP_PREFETCHER->prio (6);
1451		2153
1452	()	2154	()
1453	}	2155	}
1454		2156
1455	sub save {	2157	sub save {
1456	my ($self) = @_;	2158	my ($self) = @_;
1457		2159
1458	my $lock = cf::lock_acquire "map_data:" . $self->path;	2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
1459		2161
1460	$self->{last_save} = $cf::RUNTIME;	2162	$self->{last_save} = $cf::RUNTIME;
1461		2163
1462	return unless $self->dirty;	2164	return unless $self->dirty;
1463		2165
…		…
1469	return if $self->{deny_save};	2171	return if $self->{deny_save};
1470		2172
1471	local $self->{last_access} = $self->last_access;#d#	2173	local $self->{last_access} = $self->last_access;#d#
1472		2174
1473	cf::async {	2175	cf::async {
		2176	$Coro::current->{desc} = "map player save";
1474	$_->contr->save for $self->players;	2177	$_->contr->save for $self->players;
1475	};	2178	};
1476		2179
1477	if ($uniq) {	2180	if ($uniq) {
1478	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1486	my ($self) = @_;	2189	my ($self) = @_;
1487		2190
1488	# save first because save cedes	2191	# save first because save cedes
1489	$self->save;	2192	$self->save;
1490		2193
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2194	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2195
1493	return if $self->players;	2196	return if $self->players;
1494	return if $self->in_memory != cf::MAP_IN_MEMORY;	2197	return if $self->in_memory != cf::MAP_IN_MEMORY;
1495	return if $self->{deny_save};	2198	return if $self->{deny_save};
1496		2199
		2200	$self->in_memory (cf::MAP_SWAPPED);
		2201
		2202	$self->deactivate;
		2203	$_->clear_links_to ($self) for values %cf::MAP;
1497	$self->clear;	2204	$self->clear;
1498	$self->in_memory (cf::MAP_SWAPPED);
1499	}	2205	}
1500		2206
1501	sub reset_at {	2207	sub reset_at {
1502	my ($self) = @_;	2208	my ($self) = @_;
1503		2209
1504	# TODO: safety, remove and allow resettable per-player maps	2210	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	2211	return 1e99 if $self->{deny_reset};
1507		2212
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2213	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2214	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		2215
…		…
1515	my ($self) = @_;	2220	my ($self) = @_;
1516		2221
1517	$self->reset_at <= $cf::RUNTIME	2222	$self->reset_at <= $cf::RUNTIME
1518	}	2223	}
1519		2224
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	2225	sub reset {
1535	my ($self) = @_;	2226	my ($self) = @_;
1536		2227
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2228	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2229
1539	return if $self->players;	2230	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2231
1542	warn "resetting map ", $self->path;#d#	2232	warn "resetting map ", $self->path;
		2233
		2234	$self->in_memory (cf::MAP_SWAPPED);
		2235
		2236	# need to save uniques path
		2237	unless ($self->{deny_save}) {
		2238	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2239
		2240	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2241	if $uniq;
		2242	}
1543		2243
1544	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1545		2245
1546	$self->in_memory (cf::MAP_SWAPPED);	2246	$self->deactivate;
		2247	$_->clear_links_to ($self) for values %cf::MAP;
1547	$self->clear;	2248	$self->clear;
1548
1549	$_->clear_links_to ($self) for values %cf::MAP;
1550		2249
1551	$self->unlink_save;	2250	$self->unlink_save;
1552	$self->destroy;	2251	$self->destroy;
1553	}	2252	}
1554		2253
1555	my $nuke_counter = "aaaa";	2254	my $nuke_counter = "aaaa";
1556		2255
1557	sub nuke {	2256	sub nuke {
1558	my ($self) = @_;	2257	my ($self) = @_;
1559		2258
		2259	{
		2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2261
		2262	delete $cf::MAP{$self->path};
		2263
		2264	$self->unlink_save;
		2265
		2266	bless $self, "cf::map";
		2267	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2268	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2269	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2271
		2272	$cf::MAP{$self->path} = $self;
		2273	}
		2274
1563	$self->reset; # polite request, might not happen	2275	$self->reset; # polite request, might not happen
		2276	}
		2277
		2278	=item $maps = cf::map::tmp_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	maps. May block.
		2282
		2283	=cut
		2284
		2285	sub tmp_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise $_
		2291	: ()
		2292	} @{ aio_readdir $TMPDIR or [] }
		2293	]
		2294	}
		2295
		2296	=item $maps = cf::map::random_maps
		2297
		2298	Returns an arrayref with all map paths of currently instantiated and saved
		2299	random maps. May block.
		2300
		2301	=cut
		2302
		2303	sub random_maps() {
		2304	[
		2305	map {
		2306	utf8::decode $_;
		2307	/\.map$/
		2308	? normalise "?random/$_"
		2309	: ()
		2310	} @{ aio_readdir $RANDOMDIR or [] }
		2311	]
1564	}	2312	}
1565		2313
1566	=item cf::map::unique_maps	2314	=item cf::map::unique_maps
1567		2315
1568	Returns an arrayref of paths of all shared maps that have	2316	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2317	instantiated unique items. May block.
1570		2318
1571	=cut	2319	=cut
1572		2320
1573	sub unique_maps() {	2321	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2322	[
1575	or return;	2323	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2324	utf8::decode $_;
1581	next if /\.pst$/;
1582	next unless /^$PATH_SEP/o;
1583
1584	s/\.map$//;	2325	/\.map$/
1585	push @paths, $_;	2326	? normalise $_
		2327	: ()
		2328	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2329	]
1587
1588	\@paths
1589	}	2330	}
1590		2331
1591	package cf;	2332	package cf;
1592		2333
1593	=back	2334	=back
…		…
1611	map { $_, inv_recursive_ $_->inv } @_	2352	map { $_, inv_recursive_ $_->inv } @_
1612	}	2353	}
1613		2354
1614	sub inv_recursive {	2355	sub inv_recursive {
1615	inv_recursive_ inv $_[0]	2356	inv_recursive_ inv $_[0]
		2357	}
		2358
		2359	=item $ref = $ob->ref
		2360
		2361	creates and returns a persistent reference to an objetc that can be stored as a string.
		2362
		2363	=item $ob = cf::object::deref ($refstring)
		2364
		2365	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2366	even if the object actually exists. May block.
		2367
		2368	=cut
		2369
		2370	sub deref {
		2371	my ($ref) = @_;
		2372
		2373	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2374	my ($uuid, $name) = ($1, $2);
		2375	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2376	or return;
		2377	$pl->ob->uuid eq $uuid
		2378	or return;
		2379
		2380	$pl->ob
		2381	} else {
		2382	warn "$ref: cannot resolve object reference\n";
		2383	undef
		2384	}
1616	}	2385	}
1617		2386
1618	package cf;	2387	package cf;
1619		2388
1620	=back	2389	=back
…		…
1639		2408
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2410
1642	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1644	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1645	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2423	$self->message ($msg, $flags);
		2424	}
1647	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1648	}	2436	}
1649		2437
1650	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1651		2439
1652	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1684	=cut	2472	=cut
1685		2473
1686	sub link_map {	2474	sub link_map {
1687	unless ($LINK_MAP) {	2475	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2476	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2477	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2478	$LINK_MAP->load;
1691	}	2479	}
1692		2480
1693	$LINK_MAP	2481	$LINK_MAP
1694	}	2482	}
…		…
1699	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1700		2488
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2490
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1705		2493
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	2495	}
1708		2496
1709	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1711		2501
1712	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1713		2503
1714	unless ($map) {	2504	unless ($map) {
1715	# restore original map position	2505	# restore original map position
…		…
1729	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1732		2522
1733	$map->load;	2523	$map->load;
1734	$map->load_diag;	2524	$map->load_neighbours;
1735		2525
1736	return unless $self->contr->active;	2526	return unless $self->contr->active;
1737	$self->activate_recursive;	2527	$self->activate_recursive;
		2528
		2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2530	$self->enter_map ($map, $x, $y);
1739	}	2531	}
1740		2532
1741	cf::player->attach (	2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2534
1745	# abort map switching before logout	2535	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2536	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2537	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2538	the new (success) or old (failed) map position. In either case, $done will
1749	};	2539	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2540
1755	# try to abort aborted map switching on player login :)
1756	# should happen only on crashes
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772
1773	=item $player_object->goto ($path, $x, $y)
1774
1775	=cut	2541	=cut
		2542
		2543	our $GOTOGEN;
1776		2544
1777	sub cf::object::player::goto {	2545	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	2546	my ($self, $path, $x, $y, $check, $done) = @_;
		2547
		2548	# do generation counting so two concurrent goto's will be executed in-order
		2549	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		2550
1780	$self->enter_link;	2551	$self->enter_link;
1781		2552
1782	(async {	2553	(async {
1783	my $map = cf::map::find $path;	2554	$Coro::current->{desc} = "player::goto $path $x $y";
		2555
		2556	# *tag paths override both path and x|y
		2557	if ($path =~ /^\*(.*)$/) {
		2558	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2559	my $ob = $obs[rand @obs];
		2560
		2561	# see if we actually can go there
		2562	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2563	$ob = $obs[rand @obs];
		2564	} else {
		2565	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2566	}
		2567	# else put us there anyways for now #d#
		2568
		2569	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2570	} else {
		2571	($path, $x, $y) = (undef, undef, undef);
		2572	}
		2573	}
		2574
		2575	my $map = eval {
		2576	my $map = defined $path ? cf::map::find $path : undef;
		2577
		2578	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2579	$map = $map->customise_for ($self);
1785		2580	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2581	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2582	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
1790		2584
		2585	$map
		2586	};
		2587
		2588	if ($@) {
		2589	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	LOG llevError | logBacktrace, Carp::longmess $@;
		2591	}
		2592
		2593	if ($gen == $self->{_goto_generation}) {
		2594	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2595	$self->leave_link ($map, $x, $y);
		2596	}
		2597
		2598	$done->() if $done;
1792	})->prio (1);	2599	})->prio (1);
1793	}	2600	}
1794		2601
1795	=item $player_object->enter_exit ($exit_object)	2602	=item $player_object->enter_exit ($exit_object)
1796		2603
…		…
1798		2605
1799	sub parse_random_map_params {	2606	sub parse_random_map_params {
1800	my ($spec) = @_;	2607	my ($spec) = @_;
1801		2608
1802	my $rmp = { # defaults	2609	my $rmp = { # defaults
1803	xsize => 10,	2610	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2611	ysize => (cf::rndm 15, 40),
		2612	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2613	#layout => string,
1805	};	2614	};
1806		2615
1807	for (split /\n/, $spec) {	2616	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2617	my ($k, $v) = split /\s+/, $_, 2;
1809		2618
…		…
1813	$rmp	2622	$rmp
1814	}	2623	}
1815		2624
1816	sub prepare_random_map {	2625	sub prepare_random_map {
1817	my ($exit) = @_;	2626	my ($exit) = @_;
		2627
		2628	my $guard = cf::lock_acquire "exit_prepare:$exit";
1818		2629
1819	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
1820	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
1821	# that depends on the exit object	2632	# that depends on the exit object
1822		2633
1823	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
1824		2635
1825	if ($exit->map) {	2636	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2637	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
1830	}	2641	}
1831		2642
1832	$rmp->{random_seed} ||= $exit->random_seed;	2643	$rmp->{random_seed} ||= $exit->random_seed;
1833		2644
1834	my $data = cf::to_json $rmp;	2645	my $data = cf::encode_json $rmp;
1835	my $md5 = Digest::MD5::md5_hex $data;	2646	my $md5 = Digest::MD5::md5_hex $data;
		2647	my $meta = "$RANDOMDIR/$md5.meta";
1836		2648
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2650	aio_write $fh, 0, (length $data), $data, 0;
		2651	undef $fh;
		2652	aio_rename "$meta~", $meta;
1839		2653
1840	$exit->slaying ("?random/$md5");	2654	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2655	$exit->msg (undef);
1842	}	2656	}
1843	}	2657	}
…		…
1845	sub cf::object::player::enter_exit {	2659	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2660	my ($self, $exit) = @_;
1847		2661
1848	return unless $self->type == cf::PLAYER;	2662	return unless $self->type == cf::PLAYER;
1849		2663
		2664	if ($exit->slaying eq "/!") {
		2665	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2666	# the problem is that $exit might not survive long enough
		2667	# so it needs to be done right now, right here
		2668	cf::sync_job { prepare_random_map $exit };
		2669	}
		2670
		2671	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2672	my $hp = $exit->stats->hp;
		2673	my $sp = $exit->stats->sp;
		2674
1850	$self->enter_link;	2675	$self->enter_link;
1851		2676
		2677	# if exit is damned, update players death & WoR home-position
		2678	$self->contr->savebed ($slaying, $hp, $sp)
		2679	if $exit->flag (FLAG_DAMNED);
		2680
1852	(async {	2681	(async {
		2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2683
1853	$self->deactivate_recursive; # just to be sure	2684	$self->deactivate_recursive; # just to be sure
1854	unless (eval {	2685	unless (eval {
1855	prepare_random_map $exit	2686	$self->goto ($slaying, $hp, $sp);
1856	if $exit->slaying eq "/!";
1857
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860		2687
1861	1;	2688	1;
1862	}) {	2689	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2690	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "I'll try to bring you back to the map you were before. "	2691	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2692	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2693	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2694
1868	warn "ERROR in enter_exit: $@";	2695	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2696	$self->leave_link;
1870	}	2697	}
1871	})->prio (1);	2698	})->prio (1);
…		…
1884		2711
1885	sub cf::client::send_drawinfo {	2712	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2713	my ($self, $text, $flags) = @_;
1887		2714
1888	utf8::encode $text;	2715	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2716	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2717	}
1891		2718
		2719	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2720
		2721	Send a drawinfo or msg packet to the client, formatting the msg for the
		2722	client if neccessary. C<$type> should be a string identifying the type of
		2723	the message, with C<log> being the default. If C<$color> is negative, suppress
		2724	the message unless the client supports the msg packet.
		2725
		2726	=cut
		2727
		2728	# non-persistent channels (usually the info channel)
		2729	our %CHANNEL = (
		2730	"c/identify" => {
		2731	id => "infobox",
		2732	title => "Identify",
		2733	reply => undef,
		2734	tooltip => "Items recently identified",
		2735	},
		2736	"c/examine" => {
		2737	id => "infobox",
		2738	title => "Examine",
		2739	reply => undef,
		2740	tooltip => "Signs and other items you examined",
		2741	},
		2742	"c/book" => {
		2743	id => "infobox",
		2744	title => "Book",
		2745	reply => undef,
		2746	tooltip => "The contents of a note or book",
		2747	},
		2748	"c/lookat" => {
		2749	id => "infobox",
		2750	title => "Look",
		2751	reply => undef,
		2752	tooltip => "What you saw there",
		2753	},
		2754	"c/who" => {
		2755	id => "infobox",
		2756	title => "Players",
		2757	reply => undef,
		2758	tooltip => "Shows players who are currently online",
		2759	},
		2760	"c/body" => {
		2761	id => "infobox",
		2762	title => "Body Parts",
		2763	reply => undef,
		2764	tooltip => "Shows which body parts you posess and are available",
		2765	},
		2766	"c/uptime" => {
		2767	id => "infobox",
		2768	title => "Uptime",
		2769	reply => undef,
		2770	tooltip => "How long the server has been running since last restart",
		2771	},
		2772	"c/mapinfo" => {
		2773	id => "infobox",
		2774	title => "Map Info",
		2775	reply => undef,
		2776	tooltip => "Information related to the maps",
		2777	},
		2778	);
		2779
		2780	sub cf::client::send_msg {
		2781	my ($self, $channel, $msg, $color, @extra) = @_;
		2782
		2783	$msg = $self->pl->expand_cfpod ($msg);
		2784
		2785	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2786
		2787	# check predefined channels, for the benefit of C
		2788	if ($CHANNEL{$channel}) {
		2789	$channel = $CHANNEL{$channel};
		2790
		2791	$self->ext_msg (channel_info => $channel)
		2792	if $self->can_msg;
		2793
		2794	$channel = $channel->{id};
		2795
		2796	} elsif (ref $channel) {
		2797	# send meta info to client, if not yet sent
		2798	unless (exists $self->{channel}{$channel->{id}}) {
		2799	$self->{channel}{$channel->{id}} = $channel;
		2800	$self->ext_msg (channel_info => $channel)
		2801	if $self->can_msg;
		2802	}
		2803
		2804	$channel = $channel->{id};
		2805	}
		2806
		2807	return unless @extra || length $msg;
		2808
		2809	if ($self->can_msg) {
		2810	# default colour, mask it out
		2811	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2812	if $color & cf::NDI_DEF;
		2813
		2814	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2815	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2816	} else {
		2817	if ($color >= 0) {
		2818	# replace some tags by gcfclient-compatible ones
		2819	for ($msg) {
		2820	1 while
		2821	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2822	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2823	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2824	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2825	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2826	}
		2827
		2828	$color &= cf::NDI_COLOR_MASK;
		2829
		2830	utf8::encode $msg;
		2831
		2832	if (0 && $msg =~ /\[/) {
		2833	# COMMAND/INFO
		2834	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2835	} else {
		2836	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2837	$self->send_packet ("drawinfo $color $msg")
		2838	}
		2839	}
		2840	}
		2841	}
		2842
		2843	=item $client->ext_msg ($type, @msg)
		2844
		2845	Sends an ext event to the client.
		2846
		2847	=cut
		2848
		2849	sub cf::client::ext_msg($$@) {
		2850	my ($self, $type, @msg) = @_;
		2851
		2852	if ($self->extcmd == 2) {
		2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2854	} elsif ($self->extcmd == 1) { # TODO: remove
		2855	push @msg, msgtype => "event_$type";
		2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
		2858	}
		2859
		2860	=item $client->ext_reply ($msgid, @msg)
		2861
		2862	Sends an ext reply to the client.
		2863
		2864	=cut
		2865
		2866	sub cf::client::ext_reply($$@) {
		2867	my ($self, $id, @msg) = @_;
		2868
		2869	if ($self->extcmd == 2) {
		2870	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2871	} elsif ($self->extcmd == 1) {
		2872	#TODO: version 1, remove
		2873	unshift @msg, msgtype => "reply", msgid => $id;
		2874	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2875	}
		2876	}
1892		2877
1893	=item $success = $client->query ($flags, "text", \&cb)	2878	=item $success = $client->query ($flags, "text", \&cb)
1894		2879
1895	Queues a query to the client, calling the given callback with	2880	Queues a query to the client, calling the given callback with
1896	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2881	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2882	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		2883
1899	Queries can fail, so check the return code. Or don't, as queries will become	2884	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	2885	become reliable at some point in the future.
1901		2886
1902	=cut	2887	=cut
1903		2888
1904	sub cf::client::query {	2889	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	2890	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	2898	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2899	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		2900
1916	$self->send_packet ($self->{query_queue}[0][0])	2901	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	2902	if @{ $self->{query_queue} } == 1;
		2903
		2904	1
1918	}	2905	}
1919		2906
1920	cf::client->attach (	2907	cf::client->attach (
		2908	on_connect => sub {
		2909	my ($ns) = @_;
		2910
		2911	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2912	},
1921	on_reply => sub {	2913	on_reply => sub {
1922	my ($ns, $msg) = @_;	2914	my ($ns, $msg) = @_;
1923		2915
1924	# this weird shuffling is so that direct followup queries	2916	# this weird shuffling is so that direct followup queries
1925	# get handled first	2917	# get handled first
1926	my $queue = delete $ns->{query_queue}	2918	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2919	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2920
1929	(shift @$queue)->[1]->($msg);	2921	(shift @$queue)->[1]->($msg);
		2922	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2923
1931	push @{ $ns->{query_queue} }, @$queue;	2924	push @{ $ns->{query_queue} }, @$queue;
1932		2925
1933	if (@{ $ns->{query_queue} } == @$queue) {	2926	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2927	if (@$queue) {
…		…
1936	} else {	2929	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2930	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	2931	}
1939	}	2932	}
1940	},	2933	},
		2934	on_exticmd => sub {
		2935	my ($ns, $buf) = @_;
		2936
		2937	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2938
		2939	if (ref $msg) {
		2940	my ($type, $reply, @payload) =
		2941	"ARRAY" eq ref $msg
		2942	? @$msg
		2943	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2944
		2945	my @reply;
		2946
		2947	if (my $cb = $EXTICMD{$type}) {
		2948	@reply = $cb->($ns, @payload);
		2949	}
		2950
		2951	$ns->ext_reply ($reply, @reply)
		2952	if $reply;
		2953
		2954	} else {
		2955	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2956	}
		2957
		2958	cf::override;
		2959	},
1941	);	2960	);
1942		2961
1943	=item $client->async (\&cb)	2962	=item $client->async (\&cb)
1944		2963
1945	Create a new coroutine, running the specified callback. The coroutine will	2964	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986	our $safe = new Safe "safe";	3005	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	3006	our $safe_hole = new Safe::Hole;
1988		3007
1989	$SIG{FPE} = 'IGNORE';	3008	$SIG{FPE} = 'IGNORE';
1990		3009
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3010	$safe->permit_only (Opcode::opset qw(
		3011	:base_core :base_mem :base_orig :base_math
		3012	grepstart grepwhile mapstart mapwhile
		3013	sort time
		3014	));
1992		3015
1993	# here we export the classes and methods available to script code	3016	# here we export the classes and methods available to script code
1994		3017
1995	=pod	3018	=pod
1996		3019
1997	The following fucntions and emthods are available within a safe environment:	3020	The following functions and methods are available within a safe environment:
1998		3021
1999	cf::object contr pay_amount pay_player map	3022	cf::object
		3023	contr pay_amount pay_player map x y force_find force_add destroy
		3024	insert remove name archname title slaying race decrease_ob_nr
		3025
2000	cf::object::player player	3026	cf::object::player
2001	cf::player peaceful	3027	player
2002	cf::map trigger	3028
		3029	cf::player
		3030	peaceful
		3031
		3032	cf::map
		3033	trigger
2003		3034
2004	=cut	3035	=cut
2005		3036
2006	for (	3037	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	3038	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3039	insert remove inv name archname title slaying race
		3040	decrease_ob_nr destroy)],
2008	["cf::object::player" => qw(player)],	3041	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	3042	["cf::player" => qw(peaceful)],
2010	["cf::map" => qw(trigger)],	3043	["cf::map" => qw(trigger)],
2011	) {	3044	) {
2012	no strict 'refs';	3045	no strict 'refs';
…		…
2083	=back	3116	=back
2084		3117
2085	=cut	3118	=cut
2086		3119
2087	#############################################################################	3120	#############################################################################
		3121	# the server's init and main functions
2088		3122
2089	=head2 EXTENSION DATABASE SUPPORT	3123	sub load_facedata($) {
		3124	my ($path) = @_;
2090		3125
2091	Crossfire maintains a very simple database for extension use. It can	3126	# HACK to clear player env face cache, we need some signal framework
2092	currently store anything that can be serialised using Storable, which	3127	# for this (global event?)
2093	excludes objects.	3128	%ext::player_env::MUSIC_FACE_CACHE = ();
2094		3129
2095	The parameter C<$family> should best start with the name of the extension	3130	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2096	using it, it should be unique.
2097		3131
2098	=over 4	3132	warn "loading facedata from $path\n";
2099		3133
2100	=item $hashref = cf::db_get $family	3134	my $facedata;
		3135	0 < aio_load $path, $facedata
		3136	or die "$path: $!";
2101		3137
2102	Return a hashref for use by the extension C<$family>, which can be	3138	$facedata = Coro::Storable::thaw $facedata;
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105		3139
2106	=item $value = cf::db_get $family => $key	3140	$facedata->{version} == 2
		3141	or cf::cleanup "$path: version mismatch, cannot proceed.";
2107		3142
2108	Returns a single value from the database	3143	# patch in the exptable
2109		3144	$facedata->{resource}{"res/exp_table"} = {
2110	=item cf::db_put $family => $hashref	3145	type => FT_RSRC,
2111		3146	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}
2138
2139	my $pid;
2140
2141	sub db_save() {
2142	waitpid $pid, 0 if $pid;
2143	if (0 == ($pid = fork)) {
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});	3147	};
		3148	cf::cede_to_tick;
2161		3149
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}	3150	{
		3151	my $faces = $facedata->{faceinfo};
2166		3152
2167	sub db_get($;$) {	3153	while (my ($face, $info) = each %$faces) {
2168	@_ >= 2	3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169	? $DB->{$_[0]}{$_[1]}
2170	: ($DB->{$_[0]} ||= { })
2171	}
2172		3155
2173	sub db_put($$;$) {	3156	cf::face::set_visibility $idx, $info->{visibility};
2174	if (@_ >= 3) {	3157	cf::face::set_magicmap $idx, $info->{magicmap};
2175	$DB->{$_[0]}{$_[1]} = $_[2];	3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2176	} else {	3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181		3160
2182	cf::global->attach (	3161	cf::cede_to_tick;
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	3162	}
2187	);
2188	}
2189		3163
2190	#############################################################################	3164	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	3165	next unless $info->{smooth};
2192		3166
2193	sub cfg_load {	3167	my $idx = cf::face::find $face
		3168	or next;
		3169
		3170	if (my $smooth = cf::face::find $info->{smooth}) {
		3171	cf::face::set_smooth $idx, $smooth;
		3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3173	} else {
		3174	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3175	}
		3176
		3177	cf::cede_to_tick;
		3178	}
		3179	}
		3180
		3181	{
		3182	my $anims = $facedata->{animinfo};
		3183
		3184	while (my ($anim, $info) = each %$anims) {
		3185	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3186	cf::cede_to_tick;
		3187	}
		3188
		3189	cf::anim::invalidate_all; # d'oh
		3190	}
		3191
		3192	{
		3193	# TODO: for gcfclient pleasure, we should give resources
		3194	# that gcfclient doesn't grok a >10000 face index.
		3195	my $res = $facedata->{resource};
		3196
		3197	while (my ($name, $info) = each %$res) {
		3198	if (defined $info->{type}) {
		3199	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3200	my $data;
		3201
		3202	if ($info->{type} & 1) {
		3203	# prepend meta info
		3204
		3205	my $meta = $enc->encode ({
		3206	name => $name,
		3207	%{ $info->{meta} || {} },
		3208	});
		3209
		3210	$data = pack "(w/a*)*", $meta, $info->{data};
		3211	} else {
		3212	$data = $info->{data};
		3213	}
		3214
		3215	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3216	cf::face::set_type $idx, $info->{type};
		3217	} else {
		3218	$RESOURCE{$name} = $info;
		3219	}
		3220
		3221	cf::cede_to_tick;
		3222	}
		3223	}
		3224
		3225	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3226
		3227	1
		3228	}
		3229
		3230	cf::global->attach (on_resource_update => sub {
		3231	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3232	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3233
		3234	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3235	my $sound = $soundconf->{compat}[$_]
		3236	or next;
		3237
		3238	my $face = cf::face::find "sound/$sound->[1]";
		3239	cf::sound::set $sound->[0] => $face;
		3240	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3241	}
		3242
		3243	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3244	my $face = cf::face::find "sound/$v";
		3245	cf::sound::set $k => $face;
		3246	}
		3247	}
		3248	});
		3249
		3250	register_exticmd fx_want => sub {
		3251	my ($ns, $want) = @_;
		3252
		3253	while (my ($k, $v) = each %$want) {
		3254	$ns->fx_want ($k, $v);
		3255	}
		3256	};
		3257
		3258	sub reload_regions {
		3259	# HACK to clear player env face cache, we need some signal framework
		3260	# for this (global event?)
		3261	%ext::player_env::MUSIC_FACE_CACHE = ();
		3262
		3263	load_resource_file "$MAPDIR/regions"
		3264	or die "unable to load regions file\n";
		3265
		3266	for (cf::region::list) {
		3267	$_->{match} = qr/$_->{match}/
		3268	if exists $_->{match};
		3269	}
		3270	}
		3271
		3272	sub reload_facedata {
		3273	load_facedata "$DATADIR/facedata"
		3274	or die "unable to load facedata\n";
		3275	}
		3276
		3277	sub reload_archetypes {
		3278	load_resource_file "$DATADIR/archetypes"
		3279	or die "unable to load archetypes\n";
		3280	#d# NEED to laod twice to resolve forward references
		3281	# this really needs to be done in an extra post-pass
		3282	# (which needs to be synchronous, so solve it differently)
		3283	load_resource_file "$DATADIR/archetypes"
		3284	or die "unable to load archetypes\n";
		3285	}
		3286
		3287	sub reload_treasures {
		3288	load_resource_file "$DATADIR/treasures"
		3289	or die "unable to load treasurelists\n";
		3290	}
		3291
		3292	sub reload_resources {
		3293	warn "reloading resource files...\n";
		3294
		3295	reload_regions;
		3296	reload_facedata;
		3297	#reload_archetypes;#d#
		3298	reload_archetypes;
		3299	reload_treasures;
		3300
		3301	warn "finished reloading resource files\n";
		3302	}
		3303
		3304	sub init {
		3305	reload_resources;
		3306	}
		3307
		3308	sub reload_config {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	3309	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	3310	or return;
2196		3311
2197	local $/;	3312	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	3313	*CFG = YAML::Syck::Load <$fh>;
2199		3314
…		…
2213		3328
2214	sub main {	3329	sub main {
2215	# we must not ever block the main coroutine	3330	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3331	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2218	async { Event::one_event };	3333	(async {
		3334	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3335	EV::loop EV::LOOP_ONESHOT;
		3336	})->prio (Coro::PRIO_MAX);
2219	};	3337	};
2220		3338
2221	cfg_load;	3339	reload_config;
2222	db_load;	3340	db_init;
2223	load_extensions;	3341	load_extensions;
		3342
		3343	$TICK_WATCHER->start;
		3344	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2224	Event::loop;	3345	EV::loop;
2225	}	3346	}
2226		3347
2227	#############################################################################	3348	#############################################################################
2228	# initialisation and cleanup	3349	# initialisation and cleanup
2229		3350
2230	# install some emergency cleanup handlers	3351	# install some emergency cleanup handlers
2231	BEGIN {	3352	BEGIN {
		3353	our %SIGWATCHER = ();
2232	for my $signal (qw(INT HUP TERM)) {	3354	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3355	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2234	data => WF_AUTOCANCEL,
2235	signal => $signal,
2236	cb => sub {
2237	cf::cleanup "SIG$signal";	3356	cf::cleanup "SIG$signal";
2238	},
2239	);	3357	};
		3358	}
		3359	}
		3360
		3361	sub write_runtime {
		3362	my $runtime = "$LOCALDIR/runtime";
		3363
		3364	# first touch the runtime file to show we are still running:
		3365	# the fsync below can take a very very long time.
		3366
		3367	IO::AIO::aio_utime $runtime, undef, undef;
		3368
		3369	my $guard = cf::lock_acquire "write_runtime";
		3370
		3371	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3372	or return;
		3373
		3374	my $value = $cf::RUNTIME + 90 + 10;
		3375	# 10 is the runtime save interval, for a monotonic clock
		3376	# 60 allows for the watchdog to kill the server.
		3377
		3378	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3379	and return;
		3380
		3381	# always fsync - this file is important
		3382	aio_fsync $fh
		3383	and return;
		3384
		3385	# touch it again to show we are up-to-date
		3386	aio_utime $fh, undef, undef;
		3387
		3388	close $fh
		3389	or return;
		3390
		3391	aio_rename "$runtime~", $runtime
		3392	and return;
		3393
		3394	warn "runtime file written.\n";
		3395
2240	}	3396	1
2241	}	3397	}
2242		3398
2243	sub emergency_save() {	3399	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3400	my $freeze_guard = cf::freeze_mainloop;
2245		3401
…		…
2251	# and maps saved/destroyed asynchronously.	3407	# and maps saved/destroyed asynchronously.
2252	warn "begin emergency player save\n";	3408	warn "begin emergency player save\n";
2253	for my $login (keys %cf::PLAYER) {	3409	for my $login (keys %cf::PLAYER) {
2254	my $pl = $cf::PLAYER{$login} or next;	3410	my $pl = $cf::PLAYER{$login} or next;
2255	$pl->valid or next;	3411	$pl->valid or next;
		3412	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2256	$pl->save;	3413	$pl->save;
2257	}	3414	}
2258	warn "end emergency player save\n";	3415	warn "end emergency player save\n";
2259		3416
2260	warn "begin emergency map save\n";	3417	warn "begin emergency map save\n";
…		…
2262	my $map = $cf::MAP{$path} or next;	3419	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3420	$map->valid or next;
2264	$map->save;	3421	$map->save;
2265	}	3422	}
2266	warn "end emergency map save\n";	3423	warn "end emergency map save\n";
		3424
		3425	warn "begin emergency database checkpoint\n";
		3426	BDB::db_env_txn_checkpoint $DB_ENV;
		3427	warn "end emergency database checkpoint\n";
2267	};	3428	};
2268		3429
2269	warn "leave emergency perl save\n";	3430	warn "leave emergency perl save\n";
2270	}	3431	}
2271		3432
		3433	sub post_cleanup {
		3434	my ($make_core) = @_;
		3435
		3436	warn Carp::longmess "post_cleanup backtrace"
		3437	if $make_core;
		3438	}
		3439
2272	sub reload() {	3440	sub do_reload_perl() {
2273	# can/must only be called in main	3441	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3442	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3443	warn "can only reload from main coroutine";
2276	return;	3444	return;
2277	}	3445	}
2278		3446
2279	warn "reloading...";	3447	warn "reloading...";
2280		3448
2281	warn "freezing server";	3449	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3450
		3451	cf::sync_job {
		3452	cf::write_runtime; # external watchdog should not bark
2283	cf::emergency_save;	3453	cf::emergency_save;
		3454	cf::write_runtime; # external watchdog should not bark
2284		3455
2285	warn "sync database to disk";	3456	warn "syncing database to disk";
2286	cf::db_sync;	3457	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3458
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	3459	# if anything goes wrong in here, we should simply crash as we already saved
2291		3460
2292	warn "cancel all watchers";	3461	warn "flushing outstanding aio requests";
2293	for (Event::all_watchers) {	3462	for (;;) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	3463	BDB::flush;
		3464	IO::AIO::flush;
		3465	Coro::cede_notself;
		3466	last unless IO::AIO::nreqs || BDB::nreqs;
		3467	warn "iterate...";
2295	}	3468	}
2296		3469
		3470	++$RELOAD;
		3471
2297	warn "cancel all extension coros";	3472	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	3473	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	3474	%EXT_CORO = ();
2300		3475
2301	warn "remove commands";	3476	warn "removing commands";
2302	%COMMAND = ();	3477	%COMMAND = ();
2303		3478
2304	warn "remove ext commands";	3479	warn "removing ext/exti commands";
2305	%EXTCMD = ();	3480	%EXTCMD = ();
		3481	%EXTICMD = ();
2306		3482
2307	warn "unload/nuke all extensions";	3483	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	3484	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	3485	warn "... unloading $pkg";
2310		3486
2311	if (my $cb = $pkg->can ("unload")) {	3487	if (my $cb = $pkg->can ("unload")) {
2312	eval {	3488	eval {
…		…
2317		3493
2318	warn "... nuking $pkg";	3494	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	3495	Symbol::delete_package $pkg;
2320	}	3496	}
2321		3497
2322	warn "unload all perl modules loaded from $LIBDIR";	3498	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	3499	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3500	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		3501
2326	warn "removing <$k>";	3502	warn "... unloading $k";
2327	delete $INC{$k};	3503	delete $INC{$k};
2328		3504
2329	$k =~ s/\.pm$//;	3505	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	3506	$k =~ s/\//::/g;
2331		3507
…		…
2334	}	3510	}
2335		3511
2336	Symbol::delete_package $k;	3512	Symbol::delete_package $k;
2337	}	3513	}
2338		3514
2339	warn "get rid of safe::, as good as possible";	3515	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3516	Symbol::delete_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3517	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3518
2343	warn "unload cf.pm \"a bit\"";	3519	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3520	delete $INC{"cf.pm"};
		3521	delete $INC{"cf/pod.pm"};
2345		3522
2346	# don't, removes xs symbols, too,	3523	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3524	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3525	#Symbol::delete_package __PACKAGE__;
2349		3526
		3527	warn "unload completed, starting to reload now";
		3528
2350	warn "reloading cf.pm";	3529	warn "reloading cf.pm";
2351	require cf;	3530	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		3532
2354	warn "load config and database again";	3533	warn "loading config and database again";
2355	cf::cfg_load;	3534	cf::reload_config;
2356	cf::db_load;
2357		3535
2358	warn "load extensions";	3536	warn "loading extensions";
2359	cf::load_extensions;	3537	cf::load_extensions;
2360		3538
2361	warn "reattach attachments to objects/players";	3539	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3540	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3541	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3542	reattach $_ for values %MAP;
2365	};	3543	warn "reattaching attachments to players";
		3544	reattach $_ for values %PLAYER;
2366		3545
2367	if ($@) {	3546	warn "leaving sync_job";
		3547
		3548	1
		3549	} or do {
2368	warn $@;	3550	warn $@;
2369	warn "error while reloading, exiting.";	3551	warn "error while reloading, exiting.";
2370	exit 1;	3552	exit 1;
2371	}	3553	};
2372		3554
2373	warn "reloaded";	3555	warn "reloaded";
2374	};	3556	};
2375		3557
		3558	our $RELOAD_WATCHER; # used only during reload
		3559
		3560	sub reload_perl() {
		3561	# doing reload synchronously and two reloads happen back-to-back,
		3562	# coro crashes during coro_state_free->destroy here.
		3563
		3564	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3565	undef $RELOAD_WATCHER;
		3566	do_reload_perl;
		3567	};
		3568	}
		3569
2376	register_command "reload" => sub {	3570	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3571	my ($who, $arg) = @_;
2378		3572
2379	if ($who->flag (FLAG_WIZ)) {	3573	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3574	$who->message ("reloading server.");
		3575	async {
		3576	$Coro::current->{desc} = "perl_reload";
		3577	reload_perl;
		3578	};
2383	}	3579	}
2384	};	3580	};
2385		3581
2386	unshift @INC, $LIBDIR;	3582	unshift @INC, $LIBDIR;
2387		3583
2388	$TICK_WATCHER = Event->timer (	3584	my $bug_warning = 0;
2389	reentrant => 0,
2390	prio => 0,
2391	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,
2393	cb => sub {
2394	$NOW = Event::time;
2395		3585
		3586	our @WAIT_FOR_TICK;
		3587	our @WAIT_FOR_TICK_BEGIN;
		3588
		3589	sub wait_for_tick {
		3590	return unless $TICK_WATCHER->is_active;
		3591	return if $Coro::current == $Coro::main;
		3592
		3593	my $signal = new Coro::Signal;
		3594	push @WAIT_FOR_TICK, $signal;
		3595	$signal->wait;
		3596	}
		3597
		3598	sub wait_for_tick_begin {
		3599	return unless $TICK_WATCHER->is_active;
		3600	return if $Coro::current == $Coro::main;
		3601
		3602	my $signal = new Coro::Signal;
		3603	push @WAIT_FOR_TICK_BEGIN, $signal;
		3604	$signal->wait;
		3605	}
		3606
		3607	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
		3608	if ($Coro::current != $Coro::main) {
		3609	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3610	unless ++$bug_warning > 10;
		3611	return;
		3612	}
		3613
		3614	$NOW = $tick_start = EV::now;
		3615
2396	cf::server_tick; # one server iteration	3616	cf::server_tick; # one server iteration
		3617
2397	$RUNTIME += $TICK;	3618	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;	3619	$NEXT_TICK = $_[0]->at;
2399		3620
2400	$WAIT_FOR_TICK->broadcast;	3621	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3622	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2402		3623	Coro::async_pool {
2403	# if we are delayed by four ticks or more, skip them all	3624	$Coro::current->{desc} = "runtime saver";
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2405
2406	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;
2408	},
2409	);
2410
2411	IO::AIO::max_poll_time $TICK * 0.2;
2412
2413	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,
2423	after => 0,
2424	interval => 10,
2425	cb => sub {
2426	(Coro::unblock_sub {
2427	write_runtime	3625	write_runtime
2428	or warn "ERROR: unable to write runtime file: $!";	3626	or warn "ERROR: unable to write runtime file: $!";
2429	})->();	3627	};
2430	},	3628	}
2431	);	3629
		3630	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3631	$sig->send;
		3632	}
		3633	while (my $sig = shift @WAIT_FOR_TICK) {
		3634	$sig->send;
		3635	}
		3636
		3637	$LOAD = ($NOW - $tick_start) / $TICK;
		3638	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3639
		3640	_post_tick;
		3641	};
		3642	$TICK_WATCHER->priority (EV::MAXPRI);
		3643
		3644	{
		3645	# configure BDB
		3646
		3647	BDB::min_parallel 8;
		3648	BDB::max_poll_reqs $TICK * 0.1;
		3649	$Coro::BDB::WATCHER->priority (1);
		3650
		3651	unless ($DB_ENV) {
		3652	$DB_ENV = BDB::db_env_create;
		3653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3654	| BDB::LOG_AUTOREMOVE, 1);
		3655	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3656	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3657
		3658	cf::sync_job {
		3659	eval {
		3660	BDB::db_env_open
		3661	$DB_ENV,
		3662	$BDBDIR,
		3663	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3664	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3665	0666;
		3666
		3667	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3668	};
		3669
		3670	cf::cleanup "db_env_open(db): $@" if $@;
		3671	};
		3672	}
		3673
		3674	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3675	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3676	};
		3677	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3678	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3679	};
		3680	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3681	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3682	};
		3683	}
		3684
		3685	{
		3686	# configure IO::AIO
		3687
		3688	IO::AIO::min_parallel 8;
		3689	IO::AIO::max_poll_time $TICK * 0.1;
		3690	$Coro::AIO::WATCHER->priority (1);
		3691	}
		3692
		3693	my $_log_backtrace;
		3694
		3695	sub _log_backtrace {
		3696	my ($msg, @addr) = @_;
		3697
		3698	$msg =~ s/\n//;
		3699
		3700	# limit the # of concurrent backtraces
		3701	if ($_log_backtrace < 2) {
		3702	++$_log_backtrace;
		3703	async {
		3704	$Coro::current->{desc} = "abt $msg";
		3705
		3706	my @bt = fork_call {
		3707	@addr = map { sprintf "%x", $_ } @addr;
		3708	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3709	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3710	or die "addr2line: $!";
		3711
		3712	my @funcs;
		3713	my @res = <$fh>;
		3714	chomp for @res;
		3715	while (@res) {
		3716	my ($func, $line) = splice @res, 0, 2, ();
		3717	push @funcs, "[$func] $line";
		3718	}
		3719
		3720	@funcs
		3721	};
		3722
		3723	LOG llevInfo, "[ABT] $msg\n";
		3724	LOG llevInfo, "[ABT] $_\n" for @bt;
		3725	--$_log_backtrace;
		3726	};
		3727	} else {
		3728	LOG llevInfo, "[ABT] $msg\n";
		3729	LOG llevInfo, "[ABT] [suppressed]\n";
		3730	}
		3731	}
		3732
		3733	# load additional modules
		3734	use cf::pod;
2432		3735
2433	END { cf::emergency_save }	3736	END { cf::emergency_save }
2434		3737
2435	1	3738	1
2436		3739

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