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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.405 by root, Mon Dec 17 08:03:22 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;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	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;
51		88
52	our %CFG;	89	our %CFG;
53		90
54	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
56		94
57	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		98
65	# 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 ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $tick_start; # for load detecting purposes
		105
68	binmode STDOUT;	106	binmode STDOUT;
69	binmode STDERR;	107	binmode STDERR;
70		108
71	# read virtual server time, if available	109	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
76	}	114	}
77		115
78	mkdir cf::localdir;	116	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		118
84	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
85		122
86	#############################################################################	123	#############################################################################
87		124
88	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
89		126
…		…
96	=item $cf::RUNTIME	133	=item $cf::RUNTIME
97		134
98	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
99	every server tick.	136	every server tick.
100		137
101	=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
102		141
103	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		146
106	=item $cf::NOW	147	=item $cf::NOW
107		148
108	The time of the last (current) server tick.	149	The time of the last (current) server tick.
109		150
110	=item $cf::TICK	151	=item $cf::TICK
111		152
112	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
113		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
114	=item %cf::CFG	165	=item %cf::CFG
115		166
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	168	from wherever your confdir points to.
118		169
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		171
121	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
122	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
123	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.
124	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.
125		181
126	=back	182	=back
127		183
128	=cut	184	=cut
129		185
130	BEGIN {	186	BEGIN {
131	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	188	my $msg = join "", @_;
133	utf8::encode $msg;
134		189
135	$msg .= "\n"	190	$msg .= "\n"
136	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
137		194
138	LOG llevError, $msg;	195	LOG llevError, $msg;
139	};	196	};
140	}	197	}
141		198
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		206
149	# 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
150	# within the Safe compartment.	208	# within the Safe compartment.
151	for my $pkg (qw(	209	for my $pkg (qw(
152	cf::global cf::attachable	210	cf::global cf::attachable
…		…
157	)) {	215	)) {
158	no strict 'refs';	216	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	218	}
161		219
162	$Event::DIED = sub {	220	$EV::DIED = sub {
163	warn "error in event callback: @_";	221	warn "error in event callback: @_";
164	};	222	};
		223
		224	#############################################################################
165		225
166	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
167		227
168	=over 4	228	=over 4
169		229
…		…
188	$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;
189	$d	249	$d
190	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
191	}	251	}
192		252
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	253	=item $ref = cf::decode_json $json
196		254
197	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
198		256
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	257	=item $json = cf::encode_json $ref
207		258
208	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
209		260
210	=cut	261	=cut
211		262
212	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
214	JSON::Syck::Dump $_[0]	265	sub encode_json($) { $json_coder->encode ($_[0]) }
215	}	266	sub decode_json($) { $json_coder->decode ($_[0]) }
216		267
217	=item cf::lock_wait $string	268	=item cf::lock_wait $string
218		269
219	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
220		271
…		…
223	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
224	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,
225	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
226	returned.	277	returned.
227		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
228	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
229	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
230		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
231	=cut	289	=cut
232		290
233	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
234		293
235	sub lock_wait($) {	294	sub lock_wait($) {
236	my ($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#
237		301
238	# wait for lock, if any	302	# wait for lock, if any
239	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	305	Coro::schedule;
…		…
247		311
248	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
249	lock_wait $key;	313	lock_wait $key;
250		314
251	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
252		317
253	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
256	}	322	}
257	}	323	}
258		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
259	sub freeze_mainloop {	331	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
261		333
262	my $guard = Coro::guard { $TICK_WATCHER->start };	334	my $guard = Coro::guard {
		335	$TICK_WATCHER->start;
		336	};
263	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
264	$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	$sig->wait;
265	}	412	}
266		413
267	=item cf::async { BLOCK }	414	=item cf::async { BLOCK }
268		415
269	Currently the same as Coro::async_pool, meaning you cannot use	416	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		421
275	BEGIN { *async = \&Coro::async_pool }	422	BEGIN { *async = \&Coro::async_pool }
276		423
277	=item cf::sync_job { BLOCK }	424	=item cf::sync_job { BLOCK }
278		425
279	The design of crossfire+ requires that the main coro ($Coro::main) is	426	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	427	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	428	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		429	acceptable.
282		430
283	If it must be done, put the blocking parts into C<sync_job>. This will run	431	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	432	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	433	server will be frozen during this time, so the block should either finish
286	fast or be very important.	434	fast or be very important.
…		…
289		437
290	sub sync_job(&) {	438	sub sync_job(&) {
291	my ($job) = @_;	439	my ($job) = @_;
292		440
293	if ($Coro::current == $Coro::main) {	441	if ($Coro::current == $Coro::main) {
		442	my $time = EV::time;
		443
294	# this is the main coro, too bad, we have to block	444	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	445	# till the operation succeeds, freezing the server :/
296		446
		447	LOG llevError, Carp::longmess "sync job";#d#
		448
297	# TODO: use suspend/resume instead	449	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	450	# (but this is cancel-safe)
299	my $freeze_guard = freeze_mainloop;	451	my $freeze_guard = freeze_mainloop;
300		452
301	my $busy = 1;	453	my $busy = 1;
302	my @res;	454	my @res;
303		455
304	(async {	456	(async {
		457	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	458	@res = eval { $job->() };
306	warn $@ if $@;	459	warn $@ if $@;
307	undef $busy;	460	undef $busy;
308	})->prio (Coro::PRIO_MAX);	461	})->prio (Coro::PRIO_MAX);
309		462
310	while ($busy) {	463	while ($busy) {
311	Coro::cede or Event::one_event;	464	if (Coro::nready) {
		465	Coro::cede_notself;
		466	} else {
		467	EV::loop EV::LOOP_ONESHOT;
312	}	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
313		477
314	wantarray ? @res : $res[0]	478	wantarray ? @res : $res[0]
315	} else {	479	} else {
316	# we are in another coroutine, how wonderful, everything just works	480	# we are in another coroutine, how wonderful, everything just works
317		481
…		…
337	$EXT_CORO{$coro+0} = $coro;	501	$EXT_CORO{$coro+0} = $coro;
338		502
339	$coro	503	$coro
340	}	504	}
341		505
342	sub write_runtime {	506	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		507
345	my $runtime = cf::localdir . "/runtime";	508	Executes the given code block with the given arguments in a seperate
		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.
346		512
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	513	=cut
348	or return;
349		514
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	515	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	516	my ($cb, @args) = @_;
352	and return;
353		517
354	aio_fsync $fh	518	# we seemingly have to make a local copy of the whole thing,
355	and return;	519	# otherwise perl prematurely frees the stuff :/
		520	# TODO: investigate and fix (likely this will be rather laborious)
356		521
357	close $fh	522	my @res = Coro::Util::fork_eval {
358	or return;	523	reset_signals;
		524	&$cb
		525	}, @args;
359		526
360	aio_rename "$runtime~", $runtime	527	wantarray ? @res : $res[-1]
361	and return;	528	}
362		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($$) {
		572	my $key = "$_[0]/$_[1]";
		573
		574	cf::sync_job {
		575	BDB::db_get $DB, undef, $key, my $data;
		576
		577	$! ? ()
		578	: $data
363	1	579	}
		580	}
		581
		582	sub db_put($$$) {
		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 });
364	}	666	}
365		667
366	=back	668	=back
367		669
368	=cut	670	=cut
…		…
375	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")
376	to it. All such attachable objects support the following methods.	678	to it. All such attachable objects support the following methods.
377		679
378	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>
379	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
380	crossfire+).	682	Deliantra).
381		683
382	=over 4	684	=over 4
383		685
384	=item $attachable->attach ($attachment, key => $value...)	686	=item $attachable->attach ($attachment, key => $value...)
385		687
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	801	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	802	our @CB_MAP = ();
501		803
502	my %attachment;	804	my %attachment;
503		805
		806	sub cf::attachable::thawer_merge {
		807	# simply override everything except _meta
		808	local $_[0]{_meta};
		809	%{$_[0]} = %{$_[1]};
		810	}
		811
504	sub _attach_cb($$$$) {	812	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	813	my ($registry, $event, $prio, $cb) = @_;
506		814
507	use sort 'stable';	815	use sort 'stable';
508		816
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	850	$registry = $CB_TYPE[$object_type] ||= [];
543		851
544	} elsif ($type eq "subtype") {	852	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	853	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	854	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	855	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		856
549	} elsif ($type eq "package") {	857	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	858	my $pkg = shift @arg;
551		859
552	while (my ($name, $id) = each %cb_id) {	860	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	889	_attach $registry, $klass, @attach;
582	}	890	}
583		891
584	$obj->{$name} = \%arg;	892	$obj->{$name} = \%arg;
585	} else {	893	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	894	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	895	}
588		896
589	$obj->{_attachment}{$name} = undef;	897	$obj->{_attachment}{$name} = undef;
590	}	898	}
591		899
…		…
593	if (ref $_[0]) {	901	if (ref $_[0]) {
594	_object_attach @_;	902	_object_attach @_;
595	} else {	903	} else {
596	_attach shift->_attach_registry, @_;	904	_attach shift->_attach_registry, @_;
597	}	905	}
		906	_recalc_want;
598	};	907	};
599		908
600	# all those should be optimised	909	# all those should be optimised
601	sub cf::attachable::detach {	910	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	911	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	914	delete $obj->{_attachment}{$name};
606	reattach ($obj);	915	reattach ($obj);
607	} else {	916	} else {
608	Carp::croak "cannot, currently, detach class attachments";	917	Carp::croak "cannot, currently, detach class attachments";
609	}	918	}
		919	_recalc_want;
610	};	920	};
611		921
612	sub cf::attachable::attached {	922	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
614		924
…		…
629	";	939	";
630	die if $@;	940	die if $@;
631	}	941	}
632		942
633	our $override;	943	our $override;
634	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?
635		945
636	sub override {	946	sub override {
637	$override = 1;	947	$override = 1;
638	@invoke_results = ();	948	@INVOKE_RESULTS = (@_);
639	}	949	}
640		950
641	sub do_invoke {	951	sub do_invoke {
642	my $event = shift;	952	my $event = shift;
643	my $callbacks = shift;	953	my $callbacks = shift;
644		954
645	@invoke_results = ();	955	@INVOKE_RESULTS = ();
646		956
647	local $override;	957	local $override;
648		958
649	for (@$callbacks) {	959	for (@$callbacks) {
650	eval { &{$_->[1]} };	960	eval { &{$_->[1]} };
…		…
667		977
668	Generate an object-specific event with the given arguments.	978	Generate an object-specific event with the given arguments.
669		979
670	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
671	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
672	results (if you must, access C<@cf::invoke_results> directly).	982	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		983
674	=back	984	=back
675		985
676	=cut	986	=cut
677		987
678	#############################################################################	988	#############################################################################
679	# object support	989	# object support
		990
		991	sub _object_equal($$);
		992	sub _object_equal($$) {
		993	my ($a, $b) = @_;
		994
		995	return 0 unless (ref $a) eq (ref $b);
		996
		997	if ("HASH" eq ref $a) {
		998	my @ka = keys %$a;
		999	my @kb = keys %$b;
		1000
		1001	return 0 if @ka != @kb;
		1002
		1003	for (0 .. $#ka) {
		1004	return 0 unless $ka[$_] eq $kb[$_];
		1005	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1006	}
		1007
		1008	} elsif ("ARRAY" eq ref $a) {
		1009
		1010	return 0 if @$a != @$b;
		1011
		1012	for (0 .. $#$a) {
		1013	return 0 unless _object_equal $a->[$_], $b->[$_];
		1014	}
		1015
		1016	} elsif ($a ne $b) {
		1017	return 0;
		1018	}
		1019
		1020	1
		1021	}
		1022
		1023	our $SLOW_MERGES;#d#
		1024	sub _can_merge {
		1025	my ($ob1, $ob2) = @_;
		1026
		1027	++$SLOW_MERGES;#d#
		1028
		1029	# we do the slow way here
		1030	return _object_equal $ob1, $ob2
		1031	}
680		1032
681	sub reattach {	1033	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1034	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1035	my ($obj) = @_;
		1036
		1037	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1038
685	my $registry = $obj->registry;	1039	my $registry = $obj->registry;
686		1040
687	@$registry = ();	1041	@$registry = ();
688		1042
…		…
703	cf::attachable->attach (	1057	cf::attachable->attach (
704	prio => -1000000,	1058	prio => -1000000,
705	on_instantiate => sub {	1059	on_instantiate => sub {
706	my ($obj, $data) = @_;	1060	my ($obj, $data) = @_;
707		1061
708	$data = from_json $data;	1062	$data = decode_json $data;
709		1063
710	for (@$data) {	1064	for (@$data) {
711	my ($name, $args) = @$_;	1065	my ($name, $args) = @$_;
712		1066
713	$obj->attach ($name, %{$args || {} });	1067	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1083	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1084	my ($filename, $rdata, $objs) = @_;
731		1085
732	sync_job {	1086	sync_job {
733	if (length $$rdata) {	1087	if (length $$rdata) {
		1088	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1089	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1090	$decname, length $$rdata, scalar @$objs;
736		1091
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1093	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1095	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1096	close $fh;
742		1097
743	if (@$objs) {	1098	if (@$objs) {
744	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) {
745	chmod SAVE_MODE, $fh;	1100	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1102	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1103	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1104	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1105	aio_rename "$filename.pst~", "$filename.pst";
751	}	1106	}
752	} else {	1107	} else {
753	aio_unlink "$filename.pst";	1108	aio_unlink "$filename.pst";
…		…
759	}	1114	}
760	} else {	1115	} else {
761	aio_unlink $filename;	1116	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1117	aio_unlink "$filename.pst";
763	}	1118	}
764	}	1119	};
765	}	1120	}
766		1121
767	sub object_freezer_as_string {	1122	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1123	my ($rdata, $objs) = @_;
769		1124
…		…
781	or return;	1136	or return;
782		1137
783	unless (aio_stat "$filename.pst") {	1138	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1139	(aio_load "$filename.pst", $av) >= 0
785	or return;	1140	or return;
		1141
786	$av = eval { (Storable::thaw $av)->{objs} };	1142	my $st = eval { Coro::Storable::thaw $av };
		1143	$av = $st->{objs};
787	}	1144	}
788		1145
		1146	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1147	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1148	$decname, length $data, scalar @{$av || []};
		1149
791	return ($data, $av);	1150	($data, $av)
792	}	1151	}
		1152
		1153	=head2 COMMAND CALLBACKS
		1154
		1155	=over 4
		1156
		1157	=cut
793		1158
794	#############################################################################	1159	#############################################################################
795	# command handling &c	1160	# command handling &c
796		1161
797	=item cf::register_command $name => \&callback($ob,$args);	1162	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1175	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1176	}
812		1177
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1178	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1179
815	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.
816		1185
817	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
818	called.	1187	called.
819		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
820	=cut	1200	=cut
821		1201
822	sub register_extcmd {	1202	sub register_extcmd {
823	my ($name, $cb) = @_;	1203	my ($name, $cb) = @_;
824		1204
825	$EXTCMD{$name} = $cb;	1205	$EXTCMD{$name} = $cb;
		1206	}
		1207
		1208	sub register_exticmd {
		1209	my ($name, $cb) = @_;
		1210
		1211	$EXTICMD{$name} = $cb;
826	}	1212	}
827		1213
828	cf::player->attach (	1214	cf::player->attach (
829	on_command => sub {	1215	on_command => sub {
830	my ($pl, $name, $params) = @_;	1216	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1225	cf::override;
840	},	1226	},
841	on_extcmd => sub {	1227	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1228	my ($pl, $buf) = @_;
843		1229
844	my $msg = eval { from_json $buf };	1230	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1231
846	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
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1240	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1241	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1242	}
		1243
		1244	$pl->ext_reply ($reply, @reply)
		1245	if $reply;
		1246
852	} else {	1247	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1248	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1249	}
855		1250
856	cf::override;	1251	cf::override;
857	},	1252	},
858	);	1253	);
859		1254
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1255	sub load_extensions {
		1256	cf::sync_job {
		1257	my %todo;
		1258
895	for my $ext (<$LIBDIR/*.ext>) {	1259	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1260	next unless -r $path;
897	eval {	1261
898	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;
899	1	1319	}
900	} or warn "$ext not loaded: $@";	1320
		1321	skip:
		1322	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1323	unless $progress;
		1324	}
901	}	1325	};
902	}	1326	}
903		1327
904	#############################################################################	1328	#############################################################################
905	# load/save/clean perl data associated with a map
906		1329
907	*cf::mapsupport::on_clean = sub {	1330	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1331
920	=head2 CORE EXTENSIONS	1332	=head2 CORE EXTENSIONS
921		1333
922	Functions and methods that extend core crossfire objects.	1334	Functions and methods that extend core crossfire objects.
923		1335
…		…
929		1341
930	=head3 cf::player	1342	=head3 cf::player
931		1343
932	=over 4	1344	=over 4
933		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
934	=item cf::player::find $login	1360	=item cf::player::find $login
935		1361
936	Returns the given player object, loading it if necessary (might block).	1362	Returns the given player object, loading it if necessary (might block).
937		1363
938	=cut	1364	=cut
939		1365
940	sub playerdir($) {	1366	sub playerdir($) {
941	cf::localdir	1367	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1368	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1369	}
947		1370
948	sub path($) {	1371	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1372	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1373
951	(playerdir $login) . "/$login.pl"	1374	(playerdir $login) . "/playerdata"
952	}	1375	}
953		1376
954	sub find_active($) {	1377	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1378	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1379	and $cf::PLAYER{$_[0]}->active
…		…
959		1382
960	sub exists($) {	1383	sub exists($) {
961	my ($login) = @_;	1384	my ($login) = @_;
962		1385
963	$cf::PLAYER{$login}	1386	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1387	or cf::sync_job { !aio_stat path $login }
965	}	1388	}
966		1389
967	sub find($) {	1390	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1391	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1392	my $login = $_[0];
970		1393
971	my $guard = cf::lock_acquire "user_find:$login";	1394	my $guard = cf::lock_acquire "user_find:$login";
972		1395
973	$cf::PLAYER{$_[0]} || do {	1396	$cf::PLAYER{$_[0]} || do {
974	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
975	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;
976	$cf::PLAYER{$login} = $pl	1411	$cf::PLAYER{$login} = $pl
977	}	1412	}
978	}	1413	}
979	}	1414	}
980		1415
…		…
990		1425
991	aio_mkdir playerdir $pl, 0770;	1426	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1427	$pl->{last_save} = $cf::RUNTIME;
993		1428
994	$pl->save_pl ($path);	1429	$pl->save_pl ($path);
995	Coro::cede;	1430	cf::cede_to_tick;
996	}	1431	}
997		1432
998	sub new($) {	1433	sub new($) {
999	my ($login) = @_;	1434	my ($login) = @_;
1000		1435
…		…
1006	$cf::PLAYER{$login} = $self;	1441	$cf::PLAYER{$login} = $self;
1007		1442
1008	$self	1443	$self
1009	}	1444	}
1010		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
1011	=item $pl->quit_character	1456	=item $pl->quit_character
1012		1457
1013	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
1014	be destroyed. May block for a long time.	1459	be destroyed. May block for a long time.
1015		1460
1016	=cut	1461	=cut
1017		1462
1018	sub quit_character {	1463	sub quit_character {
1019	my ($pl) = @_;	1464	my ($pl) = @_;
		1465
		1466	my $name = $pl->ob->name;
1020		1467
1021	$pl->{deny_save} = 1;	1468	$pl->{deny_save} = 1;
1022	$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
1023		1470
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1471	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1476	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1477	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1478	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1479	delete $cf::PLAYER{$pl->ob->name};
1033	$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
1034	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;
1035	}	1502	}
1036		1503
1037	=item cf::player::list_logins	1504	=item cf::player::list_logins
1038		1505
1039	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
1040	while and may block, so not sync_job-capable, ever.	1507	while and may block, so not sync_job-capable, ever.
1041		1508
1042	=cut	1509	=cut
1043		1510
1044	sub list_logins {	1511	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1512	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1513	or return [];
1047		1514
1048	my @logins;	1515	my @logins;
1049		1516
1050	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") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1523	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1524	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1525	}
1054		1526
1055	utf8::decode $login;	1527	utf8::decode $login;
1056	push @logins, $login;	1528	push @logins, $login;
1057	}	1529	}
1058		1530
…		…
1066		1538
1067	=cut	1539	=cut
1068		1540
1069	sub maps($) {	1541	sub maps($) {
1070	my ($pl) = @_;	1542	my ($pl) = @_;
		1543
		1544	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1545
1072	my $files = aio_readdir playerdir $pl	1546	my $files = aio_readdir playerdir $pl
1073	or return;	1547	or return;
1074		1548
1075	my @paths;	1549	my @paths;
…		…
1077	for (@$files) {	1551	for (@$files) {
1078	utf8::decode $_;	1552	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1553	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1554	next unless /^$PATH_SEP/o;
1081		1555
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1556	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1557	}
1084		1558
1085	\@paths	1559	\@paths
1086	}	1560	}
1087		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
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1655	=item $player->ext_reply ($msgid, @msg)
1089		1656
1090	Sends an ext reply to the player.	1657	Sends an ext reply to the player.
1091		1658
1092	=cut	1659	=cut
1093		1660
1094	sub ext_reply($$$%) {	1661	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1662	my ($self, $id, @msg) = @_;
1096		1663
1097	$msg{msgid} = $id;	1664	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1665	}
1101		1666
1102	package cf;	1667	=item $player->ext_msg ($type, @msg)
		1668
		1669	Sends an ext event to the client.
		1670
		1671	=cut
		1672
		1673	sub ext_msg($$@) {
		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	}
1103		1707
1104	=back	1708	=back
1105
1106		1709
1107	=head3 cf::map	1710	=head3 cf::map
1108		1711
1109	=over 4	1712	=over 4
1110		1713
…		…
1114		1717
1115	use Fcntl;	1718	use Fcntl;
1116	use Coro::AIO;	1719	use Coro::AIO;
1117		1720
1118	use overload	1721	use overload
1119	'""' => \&as_string;	1722	'""' => \&as_string,
		1723	fallback => 1;
1120		1724
1121	our $MAX_RESET = 3600;	1725	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1726	our $DEFAULT_RESET = 3000;
1123		1727
1124	sub generate_random_map {	1728	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1729	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1730	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1731	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1732	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1733	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1734	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1741	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1742	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1743	)
1141	}	1744	}
1142		1745
		1746	=item cf::map->register ($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
1143	sub register {	1754	sub register {
1144	my (undef, $regex) = @_;	1755	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1756	my $pkg = caller;
1146		1757
1147	no strict;	1758	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1759	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1760
1150	$EXT_MAP{$pkg} = qr<$regex>;	1761	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1762	}
1152		1763
1153	# also paths starting with '/'	1764	# also paths starting with '/'
1154	$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	}
1155		1776
1156	sub normalise {	1777	sub normalise {
1157	my ($path, $base) = @_;	1778	my ($path, $base) = @_;
		1779
		1780	$path = "$path"; # make sure its a string
		1781
		1782	$path =~ s/\.map$//;
1158		1783
1159	# map plan:	1784	# map plan:
1160	#	1785	#
1161	# /! non-realised random map exit (special hack!)	1786	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1787	# {... are special paths that are not being touched
…		…
1190		1815
1191	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
1192		1817
1193	$path = normalise $path, $base;	1818	$path = normalise $path, $base;
1194		1819
1195	for my $pkg (keys %EXT_MAP) {	1820	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1821	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1822	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1823	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1824	$self->init; # pass $1 etc.
1200	return $self;	1825	return $self;
1201	}	1826	}
1202	}	1827	}
1203		1828
1204	Carp::carp "unable to resolve path '$path'.";	1829	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1830	()
1206	}	1831	}
1207		1832
1208	sub init {	1833	sub init {
1209	my ($self) = @_;	1834	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1845	# the displayed name, this is a one way mapping
1221	sub visible_name {	1846	sub visible_name {
1222	&as_string	1847	&as_string
1223	}	1848	}
1224		1849
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1850	# the original (read-only) location
1233	sub load_path {	1851	sub load_path {
1234	my ($self) = @_;	1852	my ($self) = @_;
1235		1853
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1854	"$MAPDIR/$self->{path}.map"
1237	}	1855	}
1238		1856
1239	# the temporary/swap location	1857	# the temporary/swap location
1240	sub save_path {	1858	sub save_path {
1241	my ($self) = @_;	1859	my ($self) = @_;
1242		1860
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1861	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1862	"$TMPDIR/$path.map"
1244	}	1863	}
1245		1864
1246	# the unique path, undef == no special unique path	1865	# the unique path, undef == no special unique path
1247	sub uniq_path {	1866	sub uniq_path {
1248	my ($self) = @_;	1867	my ($self) = @_;
1249		1868
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1870	"$UNIQUEDIR/$path"
1251	}	1871	}
1252		1872
1253	# and all this just because we cannot iterate over	1873	# and all this just because we cannot iterate over
1254	# all maps in C++...	1874	# all maps in C++...
1255	sub change_all_map_light {	1875	sub change_all_map_light {
…		…
1257		1877
1258	$_->change_map_light ($change)	1878	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1879	for grep $_->outdoor, values %cf::MAP;
1260	}	1880	}
1261		1881
		1882	sub decay_objects {
		1883	my ($self) = @_;
		1884
		1885	return if $self->{deny_reset};
		1886
		1887	$self->do_decay_objects;
		1888	}
		1889
1262	sub unlink_save {	1890	sub unlink_save {
1263	my ($self) = @_;	1891	my ($self) = @_;
1264		1892
1265	utf8::encode (my $save = $self->save_path);	1893	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1895	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1896	}
1269		1897
1270	sub load_header_from($) {	1898	sub load_header_from($) {
1271	my ($self, $path) = @_;	1899	my ($self, $path) = @_;
1272		1900
1273	utf8::encode $path;	1901	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1902	my $f = new_from_file cf::object::thawer $path
1275	or return;	1903	or return;
1276		1904
1277	$self->_load_header ($path)	1905	$self->_load_header ($f)
1278	or return;	1906	or return;
1279		1907
		1908	local $MAP_LOADING{$self->{path}} = $self;
		1909	$f->resolve_delayed_derefs;
		1910
1280	$self->{load_path} = $path;	1911	$self->{load_path} = $path;
1281		1912
1282	1	1913	1
1283	}	1914	}
1284		1915
1285	sub load_orig {	1916	sub load_header_orig {
1286	my ($self) = @_;	1917	my ($self) = @_;
1287		1918
1288	$self->load_header_from ($self->load_path)	1919	$self->load_header_from ($self->load_path)
1289	}	1920	}
1290		1921
1291	sub load_temp {	1922	sub load_header_temp {
1292	my ($self) = @_;	1923	my ($self) = @_;
1293		1924
1294	$self->load_header_from ($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	$self->instantiate;
1295	}	1945	}
1296		1946
1297	sub load_header {	1947	sub load_header {
1298	my ($self) = @_;	1948	my ($self) = @_;
1299		1949
1300	if ($self->load_temp) {	1950	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1951	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1952	} else {
1307	$self->load_orig	1953	$self->load_header_orig
1308	or return;	1954	or return;
1309		1955	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	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 $self->default_region;
1315		1963
1316	1	1964	1
1317	}	1965	}
1318		1966
1319	sub find;	1967	sub find;
1320	sub find {	1968	sub find {
1321	my ($path, $origin) = @_;	1969	my ($path, $origin) = @_;
1322		1970
1323	$path = normalise $path, $origin && $origin->path;	1971	$path = normalise $path, $origin && $origin->path;
1324		1972
		1973	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	1974	cf::lock_wait "map_find:$path";
1326		1975
1327	$cf::MAP{$path} || do {	1976	$cf::MAP{$path} || do {
1328	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
1329	my $map = new_from_path cf::map $path	1980	my $map = new_from_path cf::map $path
1330	or return;	1981	or return;
1331		1982
1332	$map->{last_save} = $cf::RUNTIME;	1983	$map->{last_save} = $cf::RUNTIME;
1333		1984
1334	$map->load_header	1985	$map->load_header
1335	or return;	1986	or return;
1336		1987
1337	if ($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;
1338	$map->reset;	1993	$map->reset;
1339	undef $guard;
1340	$map = find $path	1994	return find $path;
1341	or return;
1342	}	1995	}
1343		1996
1344	$cf::MAP{$path} = $map	1997	$cf::MAP{$path} = $map
1345	}	1998	}
1346	}	1999	}
		2000
		2001	sub pre_load { }
		2002	sub post_load { }
1347		2003
1348	sub load {	2004	sub load {
1349	my ($self) = @_;	2005	my ($self) = @_;
1350		2006
		2007	local $self->{deny_reset} = 1; # loading can take a long time
		2008
1351	my $path = $self->{path};	2009	my $path = $self->{path};
		2010
		2011	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2012	my $guard = cf::lock_acquire "map_data:$path";
1353		2013
		2014	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2015	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		2016
1356	$self->in_memory (cf::MAP_LOADING);	2017	$self->in_memory (cf::MAP_LOADING);
1357		2018
1358	$self->alloc;	2019	$self->alloc;
1359	$self->_load_objects ($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)
1360	or return;	2027	or return;
1361		2028
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	2030	if delete $self->{load_original};
1364		2031
1365	if (my $uniq = $self->uniq_path) {	2032	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2033	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2034	unless (aio_stat $uniq) {
		2035	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2036	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2037	$self->_load_objects ($f);
		2038	$f->resolve_delayed_derefs;
		2039	}
1370	}	2040	}
1371	}	2041	}
1372		2042
1373	Coro::cede;	2043	$f->resolve_delayed_derefs;
1374		2044
		2045	cf::cede_to_tick;
1375	# now do the right thing for maps	2046	# now do the right thing for maps
1376	$self->link_multipart_objects;	2047	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2048	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2049	unless $self->difficulty;
1386	Coro::cede;	2050	cf::cede_to_tick;
		2051
		2052	unless ($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;
1387	$self->activate;	2059	$self->activate;
1388	}	2060	}
1389		2061
		2062	$self->{last_save} = $cf::RUNTIME;
		2063	$self->last_access ($cf::RUNTIME);
		2064
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2065	$self->in_memory (cf::MAP_IN_MEMORY);
		2066	}
		2067
		2068	$self->post_load;
1391	}	2069	}
1392		2070
1393	sub customise_for {	2071	sub customise_for {
1394	my ($self, $ob) = @_;	2072	my ($self, $ob) = @_;
1395		2073
1396	return find "~" . $ob->name . "/" . $self->{path}	2074	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2075	if $self->per_player;
1398		2076
		2077	# return find "?party/" . $ob->name . "/" . $self->{path}
		2078	# if $self->per_party;
		2079
1399	$self	2080	$self
1400	}	2081	}
1401		2082
1402	# find and load all maps in the 3x3 area around a map	2083	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2084	sub load_neighbours {
1404	my ($map) = @_;	2085	my ($map) = @_;
1405		2086
1406	my @diag; # diagonal neighbours	2087	my @neigh; # diagonal neighbours
1407		2088
1408	for (0 .. 3) {	2089	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2090	my $neigh = $map->tile_path ($_)
1410	or next;	2091	or next;
1411	$neigh = find $neigh, $map	2092	$neigh = find $neigh, $map
1412	or next;	2093	or next;
1413	$neigh->load;	2094	$neigh->load;
1414		2095
		2096	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2099	}
1418		2100
1419	for (@diag) {	2101	for (grep defined $_->[0], @neigh) {
		2102	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2103	my $neigh = find $path, $origin
1421	or next;	2104	or next;
1422	$neigh->load;	2105	$neigh->load;
1423	}	2106	}
1424	}	2107	}
1425		2108
…		…
1430	}	2113	}
1431		2114
1432	sub do_load_sync {	2115	sub do_load_sync {
1433	my ($map) = @_;	2116	my ($map) = @_;
1434		2117
		2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2119	if $Coro::current == $Coro::main;
		2120
1435	cf::sync_job { $map->load };	2121	cf::sync_job { $map->load };
1436	}	2122	}
1437		2123
1438	our %MAP_PREFETCH;	2124	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2125	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2126
1452	sub find_async {	2127	sub find_async {
1453	my ($path, $origin) = @_;	2128	my ($path, $origin, $load) = @_;
1454		2129
1455	$path = normalise $path, $origin && $origin->{path};	2130	$path = normalise $path, $origin && $origin->{path};
1456		2131
1457	if (my $map = $cf::MAP{$path}) {	2132	if (my $map = $cf::MAP{$path}) {
1458	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;
1459	}	2151	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2152	$MAP_PREFETCHER->prio (6);
1463		2153
1464	()	2154	()
1465	}	2155	}
1466		2156
1467	sub save {	2157	sub save {
1468	my ($self) = @_;	2158	my ($self) = @_;
1469		2159
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2161
1472	$self->{last_save} = $cf::RUNTIME;	2162	$self->{last_save} = $cf::RUNTIME;
1473		2163
1474	return unless $self->dirty;	2164	return unless $self->dirty;
1475		2165
…		…
1481	return if $self->{deny_save};	2171	return if $self->{deny_save};
1482		2172
1483	local $self->{last_access} = $self->last_access;#d#	2173	local $self->{last_access} = $self->last_access;#d#
1484		2174
1485	cf::async {	2175	cf::async {
		2176	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2177	$_->contr->save for $self->players;
1487	};	2178	};
1488		2179
1489	if ($uniq) {	2180	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1498	my ($self) = @_;	2189	my ($self) = @_;
1499		2190
1500	# save first because save cedes	2191	# save first because save cedes
1501	$self->save;	2192	$self->save;
1502		2193
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2194	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2195
1505	return if $self->players;	2196	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2197	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};	2198	return if $self->{deny_save};
1508		2199
		2200	$self->in_memory (cf::MAP_SWAPPED);
		2201
		2202	$self->deactivate;
		2203	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2204	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2205	}
1512		2206
1513	sub reset_at {	2207	sub reset_at {
1514	my ($self) = @_;	2208	my ($self) = @_;
1515		2209
1516	# TODO: safety, remove and allow resettable per-player maps	2210	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2211	return 1e99 if $self->{deny_reset};
1519		2212
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2213	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2214	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2215
…		…
1527	my ($self) = @_;	2220	my ($self) = @_;
1528		2221
1529	$self->reset_at <= $cf::RUNTIME	2222	$self->reset_at <= $cf::RUNTIME
1530	}	2223	}
1531		2224
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2225	sub reset {
1547	my ($self) = @_;	2226	my ($self) = @_;
1548		2227
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2228	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2229
1551	return if $self->players;	2230	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2231
1554	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	}
1555		2243
1556	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1557		2245
		2246	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2247	$_->clear_links_to ($self) for values %cf::MAP;
		2248	$self->clear;
1559		2249
1560	$self->unlink_save;	2250	$self->unlink_save;
1561	$self->destroy;	2251	$self->destroy;
1562	}	2252	}
1563		2253
1564	my $nuke_counter = "aaaa";	2254	my $nuke_counter = "aaaa";
1565		2255
1566	sub nuke {	2256	sub nuke {
1567	my ($self) = @_;	2257	my ($self) = @_;
1568		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};
1569	$self->{deny_save} = 1;	2268	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2269	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2271
		2272	$cf::MAP{$self->path} = $self;
		2273	}
		2274
1572	$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	]
1573	}	2312	}
1574		2313
1575	=item cf::map::unique_maps	2314	=item cf::map::unique_maps
1576		2315
1577	Returns an arrayref of paths of all shared maps that have	2316	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2317	instantiated unique items. May block.
1579		2318
1580	=cut	2319	=cut
1581		2320
1582	sub unique_maps() {	2321	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2322	[
1584	or return;	2323	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2324	utf8::decode $_;
1590	next if /\.pst$/;	2325	/\.map$/
1591	next unless /^$PATH_SEP/o;	2326	? normalise $_
1592		2327	: ()
1593	push @paths, $_;	2328	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2329	]
1595
1596	\@paths
1597	}	2330	}
1598		2331
1599	package cf;	2332	package cf;
1600		2333
1601	=back	2334	=back
…		…
1619	map { $_, inv_recursive_ $_->inv } @_	2352	map { $_, inv_recursive_ $_->inv } @_
1620	}	2353	}
1621		2354
1622	sub inv_recursive {	2355	sub inv_recursive {
1623	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	}
1624	}	2385	}
1625		2386
1626	package cf;	2387	package cf;
1627		2388
1628	=back	2389	=back
…		…
1647		2408
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2410
1650	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1652	} 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 {
1653	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2423	$self->message ($msg, $flags);
		2424	}
1655	}	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 (@_);
1656	}	2436	}
1657		2437
1658	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1659		2439
1660	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2472	=cut
1693		2473
1694	sub link_map {	2474	sub link_map {
1695	unless ($LINK_MAP) {	2475	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2476	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2477	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2478	$LINK_MAP->load;
1699	}	2479	}
1700		2480
1701	$LINK_MAP	2481	$LINK_MAP
1702	}	2482	}
…		…
1707	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1708		2488
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2490
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1713		2493
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2495	}
1716		2496
1717	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1719		2501
1720	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1721		2503
1722	unless ($map) {	2504	unless ($map) {
1723	# restore original map position	2505	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1740		2522
1741	$map->load;	2523	$map->load;
1742	$map->load_diag;	2524	$map->load_neighbours;
1743		2525
1744	return unless $self->contr->active;	2526	return unless $self->contr->active;
1745	$self->activate_recursive;	2527	$self->activate_recursive;
		2528
		2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2530	$self->enter_map ($map, $x, $y);
1747	}	2531	}
1748		2532
1749	cf::player->attach (	2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2534
1753	# abort map switching before logout	2535	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2536	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2537	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2538	the new (success) or old (failed) map position. In either case, $done will
1757	};	2539	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2540
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2541	=cut
		2542
		2543	our $GOTOGEN;
1784		2544
1785	sub cf::object::player::goto {	2545	sub cf::object::player::goto {
1786	my ($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;
1787		2550
1788	$self->enter_link;	2551	$self->enter_link;
1789		2552
1790	(async {	2553	(async {
1791	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) {
1792	$map = $map->customise_for ($self) if $map;	2579	$map = $map->customise_for ($self);
1793		2580	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2581	} else {
1795	# if $map;
1796
1797	$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	}
1798		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};
1799	$self->leave_link ($map, $x, $y);	2595	$self->leave_link ($map, $x, $y);
		2596	}
		2597
		2598	$done->() if $done;
1800	})->prio (1);	2599	})->prio (1);
1801	}	2600	}
1802		2601
1803	=item $player_object->enter_exit ($exit_object)	2602	=item $player_object->enter_exit ($exit_object)
1804		2603
…		…
1806		2605
1807	sub parse_random_map_params {	2606	sub parse_random_map_params {
1808	my ($spec) = @_;	2607	my ($spec) = @_;
1809		2608
1810	my $rmp = { # defaults	2609	my $rmp = { # defaults
1811	xsize => 10,	2610	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2611	ysize => (cf::rndm 15, 40),
		2612	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2613	#layout => string,
1813	};	2614	};
1814		2615
1815	for (split /\n/, $spec) {	2616	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2617	my ($k, $v) = split /\s+/, $_, 2;
1817		2618
…		…
1821	$rmp	2622	$rmp
1822	}	2623	}
1823		2624
1824	sub prepare_random_map {	2625	sub prepare_random_map {
1825	my ($exit) = @_;	2626	my ($exit) = @_;
		2627
		2628	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2629
1827	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2632	# that depends on the exit object
1830		2633
1831	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
1832		2635
1833	if ($exit->map) {	2636	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2637	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
1838	}	2641	}
1839		2642
1840	$rmp->{random_seed} ||= $exit->random_seed;	2643	$rmp->{random_seed} ||= $exit->random_seed;
1841		2644
1842	my $data = cf::to_json $rmp;	2645	my $data = cf::encode_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2646	my $md5 = Digest::MD5::md5_hex $data;
		2647	my $meta = "$RANDOMDIR/$md5.meta";
1844		2648
1845	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) {
1846	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;
1847		2653
1848	$exit->slaying ("?random/$md5");	2654	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2655	$exit->msg (undef);
1850	}	2656	}
1851	}	2657	}
…		…
1853	sub cf::object::player::enter_exit {	2659	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2660	my ($self, $exit) = @_;
1855		2661
1856	return unless $self->type == cf::PLAYER;	2662	return unless $self->type == cf::PLAYER;
1857		2663
		2664	if ($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
1858	$self->enter_link;	2675	$self->enter_link;
1859		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
1860	(async {	2681	(async {
		2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2683
1861	$self->deactivate_recursive; # just to be sure	2684	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2685	unless (eval {
1863	prepare_random_map $exit	2686	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2687
1869	1;	2688	1;
1870	}) {	2689	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2690	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "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. "
1873	. "Please report this to the dungeon master!",	2692	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2693	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2694
1876	warn "ERROR in enter_exit: $@";	2695	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2696	$self->leave_link;
1878	}	2697	}
1879	})->prio (1);	2698	})->prio (1);
…		…
1892		2711
1893	sub cf::client::send_drawinfo {	2712	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2713	my ($self, $text, $flags) = @_;
1895		2714
1896	utf8::encode $text;	2715	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2716	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2717	}
1899		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	}
1900		2877
1901	=item $success = $client->query ($flags, "text", \&cb)	2878	=item $success = $client->query ($flags, "text", \&cb)
1902		2879
1903	Queues a query to the client, calling the given callback with	2880	Queues a query to the client, calling the given callback with
1904	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>,
1905	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>.
1906		2883
1907	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
1908	reliable at some point in the future.	2885	become reliable at some point in the future.
1909		2886
1910	=cut	2887	=cut
1911		2888
1912	sub cf::client::query {	2889	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2890	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2898	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2899	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2900
1924	$self->send_packet ($self->{query_queue}[0][0])	2901	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2902	if @{ $self->{query_queue} } == 1;
		2903
		2904	1
1926	}	2905	}
1927		2906
1928	cf::client->attach (	2907	cf::client->attach (
		2908	on_connect => sub {
		2909	my ($ns) = @_;
		2910
		2911	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2912	},
1929	on_reply => sub {	2913	on_reply => sub {
1930	my ($ns, $msg) = @_;	2914	my ($ns, $msg) = @_;
1931		2915
1932	# this weird shuffling is so that direct followup queries	2916	# this weird shuffling is so that direct followup queries
1933	# get handled first	2917	# get handled first
1934	my $queue = delete $ns->{query_queue}	2918	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2919	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2920
1937	(shift @$queue)->[1]->($msg);	2921	(shift @$queue)->[1]->($msg);
		2922	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2923
1939	push @{ $ns->{query_queue} }, @$queue;	2924	push @{ $ns->{query_queue} }, @$queue;
1940		2925
1941	if (@{ $ns->{query_queue} } == @$queue) {	2926	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2927	if (@$queue) {
…		…
1944	} else {	2929	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2930	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2931	}
1947	}	2932	}
1948	},	2933	},
		2934	on_exticmd => sub {
		2935	my ($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	},
1949	);	2960	);
1950		2961
1951	=item $client->async (\&cb)	2962	=item $client->async (\&cb)
1952		2963
1953	Create a new coroutine, running the specified callback. The coroutine will	2964	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	3005	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3006	our $safe_hole = new Safe::Hole;
1996		3007
1997	$SIG{FPE} = 'IGNORE';	3008	$SIG{FPE} = 'IGNORE';
1998		3009
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3010	$safe->permit_only (Opcode::opset qw(
		3011	:base_core :base_mem :base_orig :base_math
		3012	grepstart grepwhile mapstart mapwhile
		3013	sort time
		3014	));
2000		3015
2001	# here we export the classes and methods available to script code	3016	# here we export the classes and methods available to script code
2002		3017
2003	=pod	3018	=pod
2004		3019
2005	The following fucntions and emthods are available within a safe environment:	3020	The following functions and methods are available within a safe environment:
2006		3021
2007	cf::object contr pay_amount pay_player map	3022	cf::object
		3023	contr pay_amount pay_player map x y force_find force_add destroy
		3024	insert remove name archname title slaying race decrease_ob_nr
		3025
2008	cf::object::player player	3026	cf::object::player
2009	cf::player peaceful	3027	player
2010	cf::map trigger	3028
		3029	cf::player
		3030	peaceful
		3031
		3032	cf::map
		3033	trigger
2011		3034
2012	=cut	3035	=cut
2013		3036
2014	for (	3037	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3038	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3039	insert remove inv name archname title slaying race
		3040	decrease_ob_nr destroy)],
2016	["cf::object::player" => qw(player)],	3041	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3042	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	3043	["cf::map" => qw(trigger)],
2019	) {	3044	) {
2020	no strict 'refs';	3045	no strict 'refs';
…		…
2091	=back	3116	=back
2092		3117
2093	=cut	3118	=cut
2094		3119
2095	#############################################################################	3120	#############################################################################
		3121	# the server's init and main functions
2096		3122
2097	=head2 EXTENSION DATABASE SUPPORT	3123	sub load_facedata($) {
		3124	my ($path) = @_;
2098		3125
2099	Crossfire maintains a very simple database for extension use. It can	3126	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3127	# for this (global event?)
2101	excludes objects.	3128	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3129
2103	The parameter C<$family> should best start with the name of the extension	3130	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3131
2106	=over 4	3132	warn "loading facedata from $path\n";
2107		3133
2108	=item $hashref = cf::db_get $family	3134	my $facedata;
		3135	0 < aio_load $path, $facedata
		3136	or die "$path: $!";
2109		3137
2110	Return a hashref for use by the extension C<$family>, which can be	3138	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3139
2114	=item $value = cf::db_get $family => $key	3140	$facedata->{version} == 2
		3141	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3142
2116	Returns a single value from the database	3143	# patch in the exptable
2117		3144	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3145	type => FT_RSRC,
2119		3146	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3147	};
		3148	cf::cede_to_tick;
2169		3149
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3150	{
		3151	my $faces = $facedata->{faceinfo};
2174		3152
2175	sub db_get($;$) {	3153	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		3155
2181	sub db_put($$;$) {	3156	cf::face::set_visibility $idx, $info->{visibility};
2182	if (@_ >= 3) {	3157	cf::face::set_magicmap $idx, $info->{magicmap};
2183	$DB->{$_[0]}{$_[1]} = $_[2];	3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2184	} else {	3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189		3160
2190	cf::global->attach (	3161	cf::cede_to_tick;
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3162	}
2195	);
2196	}
2197		3163
2198	#############################################################################	3164	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3165	next unless $info->{smooth};
2200		3166
2201	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	if (my $soundconf = delete $res->{"res/sound.conf"}) {
		3225	$soundconf = $enc->decode (delete $soundconf->{data});
		3226
		3227	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3228	my $sound = $soundconf->{compat}[$_]
		3229	or next;
		3230
		3231	my $face = cf::face::find "sound/$sound->[1]";
		3232	cf::sound::set $sound->[0] => $face;
		3233	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3234	}
		3235
		3236	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3237	my $face = cf::face::find "sound/$v";
		3238	cf::sound::set $k => $face;
		3239	}
		3240	}
		3241	}
		3242
		3243	1
		3244	}
		3245
		3246	register_exticmd fx_want => sub {
		3247	my ($ns, $want) = @_;
		3248
		3249	while (my ($k, $v) = each %$want) {
		3250	$ns->fx_want ($k, $v);
		3251	}
		3252	};
		3253
		3254	sub reload_regions {
		3255	# HACK to clear player env face cache, we need some signal framework
		3256	# for this (global event?)
		3257	%ext::player_env::MUSIC_FACE_CACHE = ();
		3258
		3259	load_resource_file "$MAPDIR/regions"
		3260	or die "unable to load regions file\n";
		3261
		3262	for (cf::region::list) {
		3263	$_->{match} = qr/$_->{match}/
		3264	if exists $_->{match};
		3265	}
		3266	}
		3267
		3268	sub reload_facedata {
		3269	load_facedata "$DATADIR/facedata"
		3270	or die "unable to load facedata\n";
		3271	}
		3272
		3273	sub reload_archetypes {
		3274	load_resource_file "$DATADIR/archetypes"
		3275	or die "unable to load archetypes\n";
		3276	#d# NEED to laod twice to resolve forward references
		3277	# this really needs to be done in an extra post-pass
		3278	# (which needs to be synchronous, so solve it differently)
		3279	load_resource_file "$DATADIR/archetypes"
		3280	or die "unable to load archetypes\n";
		3281	}
		3282
		3283	sub reload_treasures {
		3284	load_resource_file "$DATADIR/treasures"
		3285	or die "unable to load treasurelists\n";
		3286	}
		3287
		3288	sub reload_resources {
		3289	warn "reloading resource files...\n";
		3290
		3291	reload_regions;
		3292	reload_facedata;
		3293	#reload_archetypes;#d#
		3294	reload_archetypes;
		3295	reload_treasures;
		3296
		3297	warn "finished reloading resource files\n";
		3298	}
		3299
		3300	sub init {
		3301	reload_resources;
		3302	}
		3303
		3304	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3305	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3306	or return;
2204		3307
2205	local $/;	3308	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3309	*CFG = YAML::Syck::Load <$fh>;
2207		3310
…		…
2221		3324
2222	sub main {	3325	sub main {
2223	# we must not ever block the main coroutine	3326	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3327	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3328	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2226	async { Event::one_event };	3329	(async {
		3330	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3331	EV::loop EV::LOOP_ONESHOT;
		3332	})->prio (Coro::PRIO_MAX);
2227	};	3333	};
2228		3334
2229	cfg_load;	3335	reload_config;
2230	db_load;	3336	db_init;
2231	load_extensions;	3337	load_extensions;
		3338
		3339	$TICK_WATCHER->start;
		3340	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2232	Event::loop;	3341	EV::loop;
2233	}	3342	}
2234		3343
2235	#############################################################################	3344	#############################################################################
2236	# initialisation and cleanup	3345	# initialisation and cleanup
2237		3346
2238	# install some emergency cleanup handlers	3347	# install some emergency cleanup handlers
2239	BEGIN {	3348	BEGIN {
		3349	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3350	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3351	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3352	cf::cleanup "SIG$signal";
2246	},
2247	);	3353	};
		3354	}
		3355	}
		3356
		3357	sub write_runtime {
		3358	my $runtime = "$LOCALDIR/runtime";
		3359
		3360	# first touch the runtime file to show we are still running:
		3361	# the fsync below can take a very very long time.
		3362
		3363	IO::AIO::aio_utime $runtime, undef, undef;
		3364
		3365	my $guard = cf::lock_acquire "write_runtime";
		3366
		3367	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3368	or return;
		3369
		3370	my $value = $cf::RUNTIME + 90 + 10;
		3371	# 10 is the runtime save interval, for a monotonic clock
		3372	# 60 allows for the watchdog to kill the server.
		3373
		3374	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3375	and return;
		3376
		3377	# always fsync - this file is important
		3378	aio_fsync $fh
		3379	and return;
		3380
		3381	# touch it again to show we are up-to-date
		3382	aio_utime $fh, undef, undef;
		3383
		3384	close $fh
		3385	or return;
		3386
		3387	aio_rename "$runtime~", $runtime
		3388	and return;
		3389
		3390	warn "runtime file written.\n";
		3391
2248	}	3392	1
2249	}	3393	}
2250		3394
2251	sub emergency_save() {	3395	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3396	my $freeze_guard = cf::freeze_mainloop;
2253		3397
2254	warn "enter emergency perl save\n";	3398	warn "enter emergency perl save\n";
2255		3399
2256	cf::sync_job {	3400	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3401	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3402	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3403	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3404	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3405	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3406	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3407	$pl->valid or next;
		3408	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3409	$pl->save;
2265	}	3410	}
2266	warn "end emergency player save\n";	3411	warn "end emergency player save\n";
2267		3412
2268	warn "begin emergency map save\n";	3413	warn "begin emergency map save\n";
…		…
2270	my $map = $cf::MAP{$path} or next;	3415	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3416	$map->valid or next;
2272	$map->save;	3417	$map->save;
2273	}	3418	}
2274	warn "end emergency map save\n";	3419	warn "end emergency map save\n";
		3420
		3421	warn "begin emergency database checkpoint\n";
		3422	BDB::db_env_txn_checkpoint $DB_ENV;
		3423	warn "end emergency database checkpoint\n";
2275	};	3424	};
2276		3425
2277	warn "leave emergency perl save\n";	3426	warn "leave emergency perl save\n";
2278	}	3427	}
2279		3428
		3429	sub post_cleanup {
		3430	my ($make_core) = @_;
		3431
		3432	warn Carp::longmess "post_cleanup backtrace"
		3433	if $make_core;
		3434	}
		3435
2280	sub reload() {	3436	sub do_reload_perl() {
2281	# can/must only be called in main	3437	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3438	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3439	warn "can only reload from main coroutine";
2284	return;	3440	return;
2285	}	3441	}
2286		3442
2287	warn "reloading...";	3443	warn "reloading...";
2288		3444
2289	warn "freezing server";	3445	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3446
		3447	cf::sync_job {
		3448	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	3449	cf::emergency_save;
		3450	cf::write_runtime; # external watchdog should not bark
2292		3451
2293	warn "sync database to disk";	3452	warn "syncing database to disk";
2294	cf::db_sync;	3453	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3454
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3455	# if anything goes wrong in here, we should simply crash as we already saved
2299		3456
2300	warn "cancel all watchers";	3457	warn "flushing outstanding aio requests";
2301	for (Event::all_watchers) {	3458	for (;;) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3459	BDB::flush;
		3460	IO::AIO::flush;
		3461	Coro::cede_notself;
		3462	last unless IO::AIO::nreqs || BDB::nreqs;
		3463	warn "iterate...";
2303	}	3464	}
2304		3465
		3466	++$RELOAD;
		3467
2305	warn "cancel all extension coros";	3468	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3469	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3470	%EXT_CORO = ();
2308		3471
2309	warn "remove commands";	3472	warn "removing commands";
2310	%COMMAND = ();	3473	%COMMAND = ();
2311		3474
2312	warn "remove ext commands";	3475	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3476	%EXTCMD = ();
		3477	%EXTICMD = ();
2314		3478
2315	warn "unload/nuke all extensions";	3479	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3480	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3481	warn "... unloading $pkg";
2318		3482
2319	if (my $cb = $pkg->can ("unload")) {	3483	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3484	eval {
…		…
2325		3489
2326	warn "... nuking $pkg";	3490	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3491	Symbol::delete_package $pkg;
2328	}	3492	}
2329		3493
2330	warn "unload all perl modules loaded from $LIBDIR";	3494	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3495	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3496	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3497
2334	warn "removing <$k>";	3498	warn "... unloading $k";
2335	delete $INC{$k};	3499	delete $INC{$k};
2336		3500
2337	$k =~ s/\.pm$//;	3501	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3502	$k =~ s/\//::/g;
2339		3503
…		…
2342	}	3506	}
2343		3507
2344	Symbol::delete_package $k;	3508	Symbol::delete_package $k;
2345	}	3509	}
2346		3510
2347	warn "get rid of safe::, as good as possible";	3511	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3512	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3513	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3514
2351	warn "unload cf.pm \"a bit\"";	3515	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3516	delete $INC{"cf.pm"};
		3517	delete $INC{"cf/pod.pm"};
2353		3518
2354	# don't, removes xs symbols, too,	3519	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3520	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3521	#Symbol::delete_package __PACKAGE__;
2357		3522
		3523	warn "unload completed, starting to reload now";
		3524
2358	warn "reloading cf.pm";	3525	warn "reloading cf.pm";
2359	require cf;	3526	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3527	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3528
2362	warn "load config and database again";	3529	warn "loading config and database again";
2363	cf::cfg_load;	3530	cf::reload_config;
2364	cf::db_load;
2365		3531
2366	warn "load extensions";	3532	warn "loading extensions";
2367	cf::load_extensions;	3533	cf::load_extensions;
2368		3534
2369	warn "reattach attachments to objects/players";	3535	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3536	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3537	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3538	reattach $_ for values %MAP;
2373	};	3539	warn "reattaching attachments to players";
		3540	reattach $_ for values %PLAYER;
2374		3541
2375	if ($@) {	3542	warn "leaving sync_job";
		3543
		3544	1
		3545	} or do {
2376	warn $@;	3546	warn $@;
2377	warn "error while reloading, exiting.";	3547	warn "error while reloading, exiting.";
2378	exit 1;	3548	exit 1;
2379	}	3549	};
2380		3550
2381	warn "reloaded";	3551	warn "reloaded";
2382	};	3552	};
2383		3553
		3554	our $RELOAD_WATCHER; # used only during reload
		3555
		3556	sub reload_perl() {
		3557	# doing reload synchronously and two reloads happen back-to-back,
		3558	# coro crashes during coro_state_free->destroy here.
		3559
		3560	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3561	undef $RELOAD_WATCHER;
		3562	do_reload_perl;
		3563	};
		3564	}
		3565
2384	register_command "reload" => sub {	3566	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3567	my ($who, $arg) = @_;
2386		3568
2387	if ($who->flag (FLAG_WIZ)) {	3569	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3570	$who->message ("reloading server.");
		3571	async {
		3572	$Coro::current->{desc} = "perl_reload";
		3573	reload_perl;
		3574	};
2391	}	3575	}
2392	};	3576	};
2393		3577
2394	unshift @INC, $LIBDIR;	3578	unshift @INC, $LIBDIR;
2395		3579
2396	$TICK_WATCHER = Event->timer (	3580	my $bug_warning = 0;
2397	reentrant => 0,
2398	prio => 0,
2399	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,
2401	cb => sub {
2402	$NOW = Event::time;
2403		3581
		3582	our @WAIT_FOR_TICK;
		3583	our @WAIT_FOR_TICK_BEGIN;
		3584
		3585	sub wait_for_tick {
		3586	return unless $TICK_WATCHER->is_active;
		3587	return if $Coro::current == $Coro::main;
		3588
		3589	my $signal = new Coro::Signal;
		3590	push @WAIT_FOR_TICK, $signal;
		3591	$signal->wait;
		3592	}
		3593
		3594	sub wait_for_tick_begin {
		3595	return unless $TICK_WATCHER->is_active;
		3596	return if $Coro::current == $Coro::main;
		3597
		3598	my $signal = new Coro::Signal;
		3599	push @WAIT_FOR_TICK_BEGIN, $signal;
		3600	$signal->wait;
		3601	}
		3602
		3603	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
		3604	if ($Coro::current != $Coro::main) {
		3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3606	unless ++$bug_warning > 10;
		3607	return;
		3608	}
		3609
		3610	$NOW = $tick_start = EV::now;
		3611
2404	cf::server_tick; # one server iteration	3612	cf::server_tick; # one server iteration
		3613
2405	$RUNTIME += $TICK;	3614	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3615	$NEXT_TICK = $_[0]->at;
2407		3616
2408	$WAIT_FOR_TICK->broadcast;	3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3618	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2410		3619	Coro::async_pool {
2411	# if we are delayed by four ticks or more, skip them all	3620	$Coro::current->{desc} = "runtime saver";
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2413
2414	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;
2416	},
2417	);
2418
2419	IO::AIO::max_poll_time $TICK * 0.2;
2420
2421	Event->io (
2422	fd => IO::AIO::poll_fileno,
2423	poll => 'r',
2424	prio => 5,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,
2431	after => 0,
2432	interval => 10,
2433	cb => sub {
2434	(Coro::unblock_sub {
2435	write_runtime	3621	write_runtime
2436	or warn "ERROR: unable to write runtime file: $!";	3622	or warn "ERROR: unable to write runtime file: $!";
2437	})->();	3623	};
2438	},	3624	}
2439	);	3625
		3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3627	$sig->send;
		3628	}
		3629	while (my $sig = shift @WAIT_FOR_TICK) {
		3630	$sig->send;
		3631	}
		3632
		3633	$LOAD = ($NOW - $tick_start) / $TICK;
		3634	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3635
		3636	_post_tick;
		3637	};
		3638	$TICK_WATCHER->priority (EV::MAXPRI);
		3639
		3640	{
		3641	# configure BDB
		3642
		3643	BDB::min_parallel 8;
		3644	BDB::max_poll_reqs $TICK * 0.1;
		3645	$Coro::BDB::WATCHER->priority (1);
		3646
		3647	unless ($DB_ENV) {
		3648	$DB_ENV = BDB::db_env_create;
		3649	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3650	| BDB::LOG_AUTOREMOVE, 1);
		3651	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3652	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3653
		3654	cf::sync_job {
		3655	eval {
		3656	BDB::db_env_open
		3657	$DB_ENV,
		3658	$BDBDIR,
		3659	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3660	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3661	0666;
		3662
		3663	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3664	};
		3665
		3666	cf::cleanup "db_env_open(db): $@" if $@;
		3667	};
		3668	}
		3669
		3670	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3671	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3672	};
		3673	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3674	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3675	};
		3676	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3677	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3678	};
		3679	}
		3680
		3681	{
		3682	# configure IO::AIO
		3683
		3684	IO::AIO::min_parallel 8;
		3685	IO::AIO::max_poll_time $TICK * 0.1;
		3686	$Coro::AIO::WATCHER->priority (1);
		3687	}
		3688
		3689	my $_log_backtrace;
		3690
		3691	sub _log_backtrace {
		3692	my ($msg, @addr) = @_;
		3693
		3694	$msg =~ s/\n//;
		3695
		3696	# limit the # of concurrent backtraces
		3697	if ($_log_backtrace < 2) {
		3698	++$_log_backtrace;
		3699	async {
		3700	$Coro::current->{desc} = "abt $msg";
		3701
		3702	my @bt = fork_call {
		3703	@addr = map { sprintf "%x", $_ } @addr;
		3704	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3705	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3706	or die "addr2line: $!";
		3707
		3708	my @funcs;
		3709	my @res = <$fh>;
		3710	chomp for @res;
		3711	while (@res) {
		3712	my ($func, $line) = splice @res, 0, 2, ();
		3713	push @funcs, "[$func] $line";
		3714	}
		3715
		3716	@funcs
		3717	};
		3718
		3719	LOG llevInfo, "[ABT] $msg\n";
		3720	LOG llevInfo, "[ABT] $_\n" for @bt;
		3721	--$_log_backtrace;
		3722	};
		3723	} else {
		3724	LOG llevInfo, "[ABT] $msg\n";
		3725	LOG llevInfo, "[ABT] [suppressed]\n";
		3726	}
		3727	}
		3728
		3729	# load additional modules
		3730	use cf::pod;
2440		3731
2441	END { cf::emergency_save }	3732	END { cf::emergency_save }
2442		3733
2443	1	3734	1
2444		3735

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