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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.398 by root, Wed Dec 5 11:08:34 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use EV;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.3 ();	15	use Coro 4.1 ();
		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::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 2.01 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	37	# configure various modules to our taste
28		38	#
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
33		45
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
36	our %COMMAND = ();	50	our %COMMAND = ();
37	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
38		52
39	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
43		58
		59	our $RELOAD; # number of reloads so far
44	our @EVENT;	60	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		61
47	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	75	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	78	our $NEXT_TICK;
52	our $NOW;	79	our $NOW;
		80	our $USE_FSYNC = 1; # use fsync to write maps - default off
		81
		82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
		86	our $DB_ENV;
53		87
54	our %CFG;	88	our %CFG;
55		89
56	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	91	our $RUNTIME;
58		92
59	our %PLAYER; # all users	93	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	94	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	95	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		96
67	# used to convert map paths into valid unix filenames by replacing / by ∕	97	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		99
		100	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		101	our $LOADAVG; # same thing, but with alpha-smoothing
		102	our $tick_start; # for load detecting purposes
		103
70	binmode STDOUT;	104	binmode STDOUT;
71	binmode STDERR;	105	binmode STDERR;
72		106
73	# read virtual server time, if available	107	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	108	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	109	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	110	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	111	$RUNTIME = <$fh> + 0.;
78	}	112	}
79		113
80	mkdir cf::localdir;	114	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	115	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		116
86	our $EMERGENCY_POSITION;	117	our $EMERGENCY_POSITION;
		118
		119	sub cf::map::normalise;
87		120
88	#############################################################################	121	#############################################################################
89		122
90	=head2 GLOBAL VARIABLES	123	=head2 GLOBAL VARIABLES
91		124
…		…
98	=item $cf::RUNTIME	131	=item $cf::RUNTIME
99		132
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	133	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	134	every server tick.
102		135
103	=item $cf::LIBDIR	136	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		137	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		138	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		139
105	The perl library directory, where extensions and cf-specific modules can	140	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	141	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		142	unique-items directory, player file directory, random maps directory and
		143	database environment.
107		144
108	=item $cf::NOW	145	=item $cf::NOW
109		146
110	The time of the last (current) server tick.	147	The time of the last (current) server tick.
111		148
112	=item $cf::TICK	149	=item $cf::TICK
113		150
114	The interval between server ticks, in seconds.	151	The interval between server ticks, in seconds.
115		152
		153	=item $cf::LOADAVG
		154
		155	The current CPU load on the server (alpha-smoothed), as a value between 0
		156	(none) and 1 (overloaded), indicating how much time is spent on processing
		157	objects per tick. Healthy values are < 0.5.
		158
		159	=item $cf::LOAD
		160
		161	The raw value load value from the last tick.
		162
116	=item %cf::CFG	163	=item %cf::CFG
117		164
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	165	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	166	from wherever your confdir points to.
120		167
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	168	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		169
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	170	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	171	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	173
		174	=item @cf::INVOKE_RESULTS
		175
		176	This array contains the results of the last C<invoke ()> call. When
		177	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		178	that call.
127		179
128	=back	180	=back
129		181
130	=cut	182	=cut
131		183
132	BEGIN {	184	BEGIN {
133	*CORE::GLOBAL::warn = sub {	185	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	186	my $msg = join "", @_;
135	utf8::encode $msg;
136		187
137	$msg .= "\n"	188	$msg .= "\n"
138	unless $msg =~ /\n$/;	189	unless $msg =~ /\n$/;
		190
		191	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139		192
140	LOG llevError, $msg;	193	LOG llevError, $msg;
141	};	194	};
142	}	195	}
143		196
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		204
151	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	206	# within the Safe compartment.
153	for my $pkg (qw(	207	for my $pkg (qw(
154	cf::global cf::attachable	208	cf::global cf::attachable
…		…
159	)) {	213	)) {
160	no strict 'refs';	214	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	216	}
163		217
164	$Event::DIED = sub {	218	$EV::DIED = sub {
165	warn "error in event callback: @_";	219	warn "error in event callback: @_";
166	};	220	};
		221
		222	#############################################################################
167		223
168	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
169		225
170	=over 4	226	=over 4
171		227
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	247	$d
192	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
193	}	249	}
194		250
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	251	=item $ref = cf::decode_json $json
198		252
199	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
200		254
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	255	=item $json = cf::encode_json $ref
209		256
210	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
211		258
212	=cut	259	=cut
213		260
214	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
216	JSON::Syck::Dump $_[0]	263	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	264	sub decode_json($) { $json_coder->decode ($_[0]) }
218		265
219	=item cf::lock_wait $string	266	=item cf::lock_wait $string
220		267
221	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
222		269
…		…
225	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
228	returned.	275	returned.
229		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
230	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
232		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
233	=cut	287	=cut
234		288
235	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
236		291
237	sub lock_wait($) {	292	sub lock_wait($) {
238	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
239		299
240	# wait for lock, if any	300	# wait for lock, if any
241	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	303	Coro::schedule;
…		…
249		309
250	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
251	lock_wait $key;	311	lock_wait $key;
252		312
253	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
254		315
255	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
258	}	320	}
259	}	321	}
260		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
261	sub freeze_mainloop {	329	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
263		331
264	my $guard = Coro::guard {	332	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	333	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	334	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
270	$guard	336	$guard
		337	}
		338
		339	=item cf::periodic $interval, $cb
		340
		341	Like EV::periodic, but randomly selects a starting point so that the actions
		342	get spread over timer.
		343
		344	=cut
		345
		346	sub periodic($$) {
		347	my ($interval, $cb) = @_;
		348
		349	my $start = rand List::Util::min 180, $interval;
		350
		351	EV::periodic $start, $interval, 0, $cb
		352	}
		353
		354	=item cf::get_slot $time[, $priority[, $name]]
		355
		356	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		357	This call blocks and returns only when you have at least C<$time> seconds
		358	of cpu time till the next tick. The slot is only valid till the next cede.
		359
		360	The optional C<$name> can be used to identify the job to run. It might be
		361	used for statistical purposes and should identify the same time-class.
		362
		363	Useful for short background jobs.
		364
		365	=cut
		366
		367	our @SLOT_QUEUE;
		368	our $SLOT_QUEUE;
		369
		370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		371	$SLOT_QUEUE = Coro::async {
		372	$Coro::current->desc ("timeslot manager");
		373
		374	my $signal = new Coro::Signal;
		375
		376	while () {
		377	next_job:
		378	my $avail = cf::till_tick;
		379	if ($avail > 0.01) {
		380	for (0 .. $#SLOT_QUEUE) {
		381	if ($SLOT_QUEUE[$_][0] < $avail) {
		382	my $job = splice @SLOT_QUEUE, $_, 1, ();
		383	$job->[2]->send;
		384	Coro::cede;
		385	goto next_job;
		386	}
		387	}
		388	}
		389
		390	if (@SLOT_QUEUE) {
		391	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		392	push @cf::WAIT_FOR_TICK, $signal;
		393	$signal->wait;
		394	} else {
		395	Coro::schedule;
		396	}
		397	}
		398	};
		399
		400	sub get_slot($;$$) {
		401	my ($time, $pri, $name) = @_;
		402
		403	$time = $TICK * .6 if $time > $TICK * .6;
		404	my $sig = new Coro::Signal;
		405
		406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		408	$SLOT_QUEUE->ready;
		409	$sig->wait;
271	}	410	}
272		411
273	=item cf::async { BLOCK }	412	=item cf::async { BLOCK }
274		413
275	Currently the same as Coro::async_pool, meaning you cannot use	414	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		419
281	BEGIN { *async = \&Coro::async_pool }	420	BEGIN { *async = \&Coro::async_pool }
282		421
283	=item cf::sync_job { BLOCK }	422	=item cf::sync_job { BLOCK }
284		423
285	The design of crossfire+ requires that the main coro ($Coro::main) is	424	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	425	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	426	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		427	acceptable.
288		428
289	If it must be done, put the blocking parts into C<sync_job>. This will run	429	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	430	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	431	server will be frozen during this time, so the block should either finish
292	fast or be very important.	432	fast or be very important.
…		…
295		435
296	sub sync_job(&) {	436	sub sync_job(&) {
297	my ($job) = @_;	437	my ($job) = @_;
298		438
299	if ($Coro::current == $Coro::main) {	439	if ($Coro::current == $Coro::main) {
		440	my $time = EV::time;
		441
300	# this is the main coro, too bad, we have to block	442	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	443	# till the operation succeeds, freezing the server :/
302		444
		445	LOG llevError, Carp::longmess "sync job";#d#
		446
303	# TODO: use suspend/resume instead	447	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	448	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	449	my $freeze_guard = freeze_mainloop;
306		450
307	my $busy = 1;	451	my $busy = 1;
308	my @res;	452	my @res;
309		453
310	(async {	454	(async {
		455	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	456	@res = eval { $job->() };
312	warn $@ if $@;	457	warn $@ if $@;
313	undef $busy;	458	undef $busy;
314	})->prio (Coro::PRIO_MAX);	459	})->prio (Coro::PRIO_MAX);
315		460
316	while ($busy) {	461	while ($busy) {
317	Coro::cede or Event::one_event;	462	if (Coro::nready) {
		463	Coro::cede_notself;
		464	} else {
		465	EV::loop EV::LOOP_ONESHOT;
318	}	466	}
		467	}
		468
		469	$time = EV::time - $time;
		470
		471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		473
		474	$tick_start += $time; # do not account sync jobs to server load
319		475
320	wantarray ? @res : $res[0]	476	wantarray ? @res : $res[0]
321	} else {	477	} else {
322	# we are in another coroutine, how wonderful, everything just works	478	# we are in another coroutine, how wonderful, everything just works
323		479
…		…
343	$EXT_CORO{$coro+0} = $coro;	499	$EXT_CORO{$coro+0} = $coro;
344		500
345	$coro	501	$coro
346	}	502	}
347		503
348	sub write_runtime {	504	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		505
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	506	Executes the given code block with the given arguments in a seperate
352	or return;	507	process, returning the results. Everything must be serialisable with
		508	Coro::Storable. May, of course, block. Note that the executed sub may
		509	never block itself or use any form of event handling.
353		510
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	511	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		512
358	aio_fsync $fh	513	sub fork_call(&@) {
359	and return;	514	my ($cb, @args) = @_;
360		515
361	close $fh	516	# we seemingly have to make a local copy of the whole thing,
362	or return;	517	# otherwise perl prematurely frees the stuff :/
		518	# TODO: investigate and fix (likely this will be rather laborious)
363		519
364	aio_rename "$runtime~", $runtime	520	my @res = Coro::Util::fork_eval {
365	and return;	521	reset_signals;
		522	&$cb
		523	}, @args;
366		524
		525	wantarray ? @res : $res[-1]
		526	}
		527
		528	=item $value = cf::db_get $family => $key
		529
		530	Returns a single value from the environment database.
		531
		532	=item cf::db_put $family => $key => $value
		533
		534	Stores the given C<$value> in the family. It can currently store binary
		535	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		536
		537	=item $db = cf::db_table "name"
		538
		539	Create and/or open a new database table. The string must not be "db" and must be unique
		540	within each server.
		541
		542	=cut
		543
		544	sub db_table($) {
		545	my ($name) = @_;
		546	my $db = BDB::db_create $DB_ENV;
		547
		548	eval {
		549	$db->set_flags (BDB::CHKSUM);
		550
		551	utf8::encode $name;
		552	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		553	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		554	cf::cleanup "db_open(db): $!" if $!;
		555	};
		556	cf::cleanup "db_open(db): $@" if $@;
		557
		558	$db
		559	}
		560
		561	our $DB;
		562
		563	sub db_init {
		564	cf::sync_job {
		565	$DB ||= db_table "db";
		566	};
		567	}
		568
		569	sub db_get($$) {
		570	my $key = "$_[0]/$_[1]";
		571
		572	cf::sync_job {
		573	BDB::db_get $DB, undef, $key, my $data;
		574
		575	$! ? ()
		576	: $data
367	1	577	}
		578	}
		579
		580	sub db_put($$$) {
		581	BDB::dbreq_pri 4;
		582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		583	}
		584
		585	=item cf::cache $id => [$paths...], $processversion => $process
		586
		587	Generic caching function that returns the value of the resource $id,
		588	caching and regenerating as required.
		589
		590	This function can block.
		591
		592	=cut
		593
		594	sub cache {
		595	my ($id, $src, $processversion, $process) = @_;
		596
		597	my $meta =
		598	join "\x00",
		599	$processversion,
		600	map {
		601	aio_stat $_
		602	and Carp::croak "$_: $!";
		603
		604	($_, (stat _)[7,9])
		605	} @$src;
		606
		607	my $dbmeta = db_get cache => "$id/meta";
		608	if ($dbmeta ne $meta) {
		609	# changed, we may need to process
		610
		611	my @data;
		612	my $md5;
		613
		614	for (0 .. $#$src) {
		615	0 <= aio_load $src->[$_], $data[$_]
		616	or Carp::croak "$src->[$_]: $!";
		617	}
		618
		619	# if processing is expensive, check
		620	# checksum first
		621	if (1) {
		622	$md5 =
		623	join "\x00",
		624	$processversion,
		625	map {
		626	cf::cede_to_tick;
		627	($src->[$_], Digest::MD5::md5_hex $data[$_])
		628	} 0.. $#$src;
		629
		630
		631	my $dbmd5 = db_get cache => "$id/md5";
		632	if ($dbmd5 eq $md5) {
		633	db_put cache => "$id/meta", $meta;
		634
		635	return db_get cache => "$id/data";
		636	}
		637	}
		638
		639	my $t1 = Time::HiRes::time;
		640	my $data = $process->(\@data);
		641	my $t2 = Time::HiRes::time;
		642
		643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		644
		645	db_put cache => "$id/data", $data;
		646	db_put cache => "$id/md5" , $md5;
		647	db_put cache => "$id/meta", $meta;
		648
		649	return $data;
		650	}
		651
		652	db_get cache => "$id/data"
		653	}
		654
		655	=item cf::datalog type => key => value, ...
		656
		657	Log a datalog packet of the given type with the given key-value pairs.
		658
		659	=cut
		660
		661	sub datalog($@) {
		662	my ($type, %kv) = @_;
		663	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	664	}
369		665
370	=back	666	=back
371		667
372	=cut	668	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	675	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	676	to it. All such attachable objects support the following methods.
381		677
382	In the following description, CLASS can be any of C<global>, C<object>	678	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	679	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	680	Deliantra).
385		681
386	=over 4	682	=over 4
387		683
388	=item $attachable->attach ($attachment, key => $value...)	684	=item $attachable->attach ($attachment, key => $value...)
389		685
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	799	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	800	our @CB_MAP = ();
505		801
506	my %attachment;	802	my %attachment;
507		803
		804	sub cf::attachable::thawer_merge {
		805	# simply override everything except _meta
		806	local $_[0]{_meta};
		807	%{$_[0]} = %{$_[1]};
		808	}
		809
508	sub _attach_cb($$$$) {	810	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	811	my ($registry, $event, $prio, $cb) = @_;
510		812
511	use sort 'stable';	813	use sort 'stable';
512		814
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	848	$registry = $CB_TYPE[$object_type] ||= [];
547		849
548	} elsif ($type eq "subtype") {	850	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	851	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	852	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	853	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		854
553	} elsif ($type eq "package") {	855	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	856	my $pkg = shift @arg;
555		857
556	while (my ($name, $id) = each %cb_id) {	858	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	887	_attach $registry, $klass, @attach;
586	}	888	}
587		889
588	$obj->{$name} = \%arg;	890	$obj->{$name} = \%arg;
589	} else {	891	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	892	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	893	}
592		894
593	$obj->{_attachment}{$name} = undef;	895	$obj->{_attachment}{$name} = undef;
594	}	896	}
595		897
…		…
597	if (ref $_[0]) {	899	if (ref $_[0]) {
598	_object_attach @_;	900	_object_attach @_;
599	} else {	901	} else {
600	_attach shift->_attach_registry, @_;	902	_attach shift->_attach_registry, @_;
601	}	903	}
		904	_recalc_want;
602	};	905	};
603		906
604	# all those should be optimised	907	# all those should be optimised
605	sub cf::attachable::detach {	908	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	909	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	912	delete $obj->{_attachment}{$name};
610	reattach ($obj);	913	reattach ($obj);
611	} else {	914	} else {
612	Carp::croak "cannot, currently, detach class attachments";	915	Carp::croak "cannot, currently, detach class attachments";
613	}	916	}
		917	_recalc_want;
614	};	918	};
615		919
616	sub cf::attachable::attached {	920	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	921	my ($obj, $name) = @_;
618		922
…		…
633	";	937	";
634	die if $@;	938	die if $@;
635	}	939	}
636		940
637	our $override;	941	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	942	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		943
640	sub override {	944	sub override {
641	$override = 1;	945	$override = 1;
642	@invoke_results = ();	946	@INVOKE_RESULTS = (@_);
643	}	947	}
644		948
645	sub do_invoke {	949	sub do_invoke {
646	my $event = shift;	950	my $event = shift;
647	my $callbacks = shift;	951	my $callbacks = shift;
648		952
649	@invoke_results = ();	953	@INVOKE_RESULTS = ();
650		954
651	local $override;	955	local $override;
652		956
653	for (@$callbacks) {	957	for (@$callbacks) {
654	eval { &{$_->[1]} };	958	eval { &{$_->[1]} };
…		…
671		975
672	Generate an object-specific event with the given arguments.	976	Generate an object-specific event with the given arguments.
673		977
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	978	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	979	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	980	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		981
678	=back	982	=back
679		983
680	=cut	984	=cut
681		985
682	#############################################################################	986	#############################################################################
683	# object support	987	# object support
		988
		989	sub _object_equal($$);
		990	sub _object_equal($$) {
		991	my ($a, $b) = @_;
		992
		993	return 0 unless (ref $a) eq (ref $b);
		994
		995	if ("HASH" eq ref $a) {
		996	my @ka = keys %$a;
		997	my @kb = keys %$b;
		998
		999	return 0 if @ka != @kb;
		1000
		1001	for (0 .. $#ka) {
		1002	return 0 unless $ka[$_] eq $kb[$_];
		1003	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1004	}
		1005
		1006	} elsif ("ARRAY" eq ref $a) {
		1007
		1008	return 0 if @$a != @$b;
		1009
		1010	for (0 .. $#$a) {
		1011	return 0 unless _object_equal $a->[$_], $b->[$_];
		1012	}
		1013
		1014	} elsif ($a ne $b) {
		1015	return 0;
		1016	}
		1017
		1018	1
		1019	}
		1020
		1021	our $SLOW_MERGES;#d#
		1022	sub _can_merge {
		1023	my ($ob1, $ob2) = @_;
		1024
		1025	++$SLOW_MERGES;#d#
		1026
		1027	# we do the slow way here
		1028	return _object_equal $ob1, $ob2
		1029	}
684		1030
685	sub reattach {	1031	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1032	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1033	my ($obj) = @_;
		1034
		1035	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		1036
689	my $registry = $obj->registry;	1037	my $registry = $obj->registry;
690		1038
691	@$registry = ();	1039	@$registry = ();
692		1040
…		…
707	cf::attachable->attach (	1055	cf::attachable->attach (
708	prio => -1000000,	1056	prio => -1000000,
709	on_instantiate => sub {	1057	on_instantiate => sub {
710	my ($obj, $data) = @_;	1058	my ($obj, $data) = @_;
711		1059
712	$data = from_json $data;	1060	$data = decode_json $data;
713		1061
714	for (@$data) {	1062	for (@$data) {
715	my ($name, $args) = @$_;	1063	my ($name, $args) = @$_;
716		1064
717	$obj->attach ($name, %{$args || {} });	1065	$obj->attach ($name, %{$args || {} });
…		…
733	sub object_freezer_save {	1081	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1082	my ($filename, $rdata, $objs) = @_;
735		1083
736	sync_job {	1084	sync_job {
737	if (length $$rdata) {	1085	if (length $$rdata) {
		1086	utf8::decode (my $decname = $filename);
738	warn sprintf "saving %s (%d,%d)\n",	1087	warn sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1088	$decname, length $$rdata, scalar @$objs;
740		1089
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1091	chmod SAVE_MODE, $fh;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
744	aio_fsync $fh;	1093	aio_fsync $fh if $cf::USE_FSYNC;
745	close $fh;	1094	close $fh;
746		1095
747	if (@$objs) {	1096	if (@$objs) {
748	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
749	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1100	aio_write $fh, 0, (length $data), $data, 0;
752	aio_fsync $fh;	1101	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1102	close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1103	aio_rename "$filename.pst~", "$filename.pst";
755	}	1104	}
756	} else {	1105	} else {
757	aio_unlink "$filename.pst";	1106	aio_unlink "$filename.pst";
…		…
763	}	1112	}
764	} else {	1113	} else {
765	aio_unlink $filename;	1114	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1115	aio_unlink "$filename.pst";
767	}	1116	}
768	}	1117	};
769	}	1118	}
770		1119
771	sub object_freezer_as_string {	1120	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1121	my ($rdata, $objs) = @_;
773		1122
…		…
785	or return;	1134	or return;
786		1135
787	unless (aio_stat "$filename.pst") {	1136	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1137	(aio_load "$filename.pst", $av) >= 0
789	or return;	1138	or return;
		1139
790	$av = eval { (Storable::thaw $av)->{objs} };	1140	my $st = eval { Coro::Storable::thaw $av };
		1141	$av = $st->{objs};
791	}	1142	}
792		1143
		1144	utf8::decode (my $decname = $filename);
793	warn sprintf "loading %s (%d)\n",	1145	warn sprintf "loading %s (%d,%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1146	$decname, length $data, scalar @{$av || []};
		1147
795	return ($data, $av);	1148	($data, $av)
796	}	1149	}
		1150
		1151	=head2 COMMAND CALLBACKS
		1152
		1153	=over 4
		1154
		1155	=cut
797		1156
798	#############################################################################	1157	#############################################################################
799	# command handling &c	1158	# command handling &c
800		1159
801	=item cf::register_command $name => \&callback($ob,$args);	1160	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1173	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1174	}
816		1175
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1176	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1177
819	Register a callbackf ro execution when the client sends an extcmd packet.	1178	Register a callback for execution when the client sends an (synchronous)
		1179	extcmd packet. Ext commands will be processed in the order they are
		1180	received by the server, like other user commands. The first argument is
		1181	the logged-in player. Ext commands can only be processed after a player
		1182	has logged in successfully.
820		1183
821	If the callback returns something, it is sent back as if reply was being	1184	If the callback returns something, it is sent back as if reply was being
822	called.	1185	called.
823		1186
		1187	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1188
		1189	Register a callback for execution when the client sends an (asynchronous)
		1190	exticmd packet. Exti commands are processed by the server as soon as they
		1191	are received, i.e. out of order w.r.t. other commands. The first argument
		1192	is a client socket. Exti commands can be received anytime, even before
		1193	log-in.
		1194
		1195	If the callback returns something, it is sent back as if reply was being
		1196	called.
		1197
824	=cut	1198	=cut
825		1199
826	sub register_extcmd {	1200	sub register_extcmd {
827	my ($name, $cb) = @_;	1201	my ($name, $cb) = @_;
828		1202
829	$EXTCMD{$name} = $cb;	1203	$EXTCMD{$name} = $cb;
		1204	}
		1205
		1206	sub register_exticmd {
		1207	my ($name, $cb) = @_;
		1208
		1209	$EXTICMD{$name} = $cb;
830	}	1210	}
831		1211
832	cf::player->attach (	1212	cf::player->attach (
833	on_command => sub {	1213	on_command => sub {
834	my ($pl, $name, $params) = @_;	1214	my ($pl, $name, $params) = @_;
…		…
843	cf::override;	1223	cf::override;
844	},	1224	},
845	on_extcmd => sub {	1225	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1226	my ($pl, $buf) = @_;
847		1227
848	my $msg = eval { from_json $buf };	1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1229
850	if (ref $msg) {	1230	if (ref $msg) {
		1231	my ($type, $reply, @payload) =
		1232	"ARRAY" eq ref $msg
		1233	? @$msg
		1234	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1235
		1236	my @reply;
		1237
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1238	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1239	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1240	}
		1241
		1242	$pl->ext_reply ($reply, @reply)
		1243	if $reply;
		1244
856	} else {	1245	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1247	}
859		1248
860	cf::override;	1249	cf::override;
861	},	1250	},
862	);	1251	);
863		1252
864	sub load_extension {
865	my ($path) = @_;
866
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
868	my $base = $1;
869	my $pkg = $1;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}
892	die $@;
893	}
894
895	push @EXTS, $pkg;
896	}
897
898	sub load_extensions {	1253	sub load_extensions {
		1254	cf::sync_job {
		1255	my %todo;
		1256
899	for my $ext (<$LIBDIR/*.ext>) {	1257	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1258	next unless -r $path;
901	eval {	1259
902	load_extension $ext;	1260	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1261	my $base = $1;
		1262	my $pkg = $1;
		1263	$pkg =~ s/[^[:word:]]/_/g;
		1264	$pkg = "ext::$pkg";
		1265
		1266	open my $fh, "<:utf8", $path
		1267	or die "$path: $!";
		1268
		1269	my $source = do { local $/; <$fh> };
		1270
		1271	my %ext = (
		1272	path => $path,
		1273	base => $base,
		1274	pkg => $pkg,
		1275	);
		1276
		1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1279
		1280	$ext{source} =
		1281	"package $pkg; use strict; use utf8;\n"
		1282	. "#line 1 \"$path\"\n{\n"
		1283	. $source
		1284	. "\n};\n1";
		1285
		1286	$todo{$base} = \%ext;
		1287	}
		1288
		1289	my %done;
		1290	while (%todo) {
		1291	my $progress;
		1292
		1293	while (my ($k, $v) = each %todo) {
		1294	for (split /,\s*/, $v->{meta}{depends}) {
		1295	goto skip
		1296	unless exists $done{$_};
		1297	}
		1298
		1299	warn "... loading '$k' into '$v->{pkg}'\n";
		1300
		1301	unless (eval $v->{source}) {
		1302	my $msg = $@ ? "$v->{path}: $@\n"
		1303	: "$v->{base}: extension inactive.\n";
		1304
		1305	if (exists $v->{meta}{mandatory}) {
		1306	warn $msg;
		1307	warn "mandatory extension failed to load, exiting.\n";
		1308	exit 1;
		1309	}
		1310
		1311	warn $msg;
		1312	}
		1313
		1314	$done{$k} = delete $todo{$k};
		1315	push @EXTS, $v->{pkg};
		1316	$progress = 1;
903	1	1317	}
904	} or warn "$ext not loaded: $@";	1318
		1319	skip:
		1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1321	unless $progress;
		1322	}
905	}	1323	};
906	}	1324	}
907		1325
908	#############################################################################	1326	#############################################################################
909		1327
		1328	=back
		1329
910	=head2 CORE EXTENSIONS	1330	=head2 CORE EXTENSIONS
911		1331
912	Functions and methods that extend core crossfire objects.	1332	Functions and methods that extend core crossfire objects.
913		1333
914	=cut	1334	=cut
…		…
919		1339
920	=head3 cf::player	1340	=head3 cf::player
921		1341
922	=over 4	1342	=over 4
923		1343
		1344	=item cf::player::num_playing
		1345
		1346	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1347
		1348	=cut
		1349
		1350	sub num_playing {
		1351	scalar grep
		1352	$_->ob->map
		1353	&& !$_->hidden
		1354	&& !$_->ob->flag (cf::FLAG_WIZ),
		1355	cf::player::list
		1356	}
		1357
924	=item cf::player::find $login	1358	=item cf::player::find $login
925		1359
926	Returns the given player object, loading it if necessary (might block).	1360	Returns the given player object, loading it if necessary (might block).
927		1361
928	=cut	1362	=cut
929		1363
930	sub playerdir($) {	1364	sub playerdir($) {
931	cf::localdir	1365	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1366	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1367	}
937		1368
938	sub path($) {	1369	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1370	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1371
941	(playerdir $login) . "/$login.pl"	1372	(playerdir $login) . "/playerdata"
942	}	1373	}
943		1374
944	sub find_active($) {	1375	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1376	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1377	and $cf::PLAYER{$_[0]}->active
…		…
949		1380
950	sub exists($) {	1381	sub exists($) {
951	my ($login) = @_;	1382	my ($login) = @_;
952		1383
953	$cf::PLAYER{$login}	1384	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1385	or cf::sync_job { !aio_stat path $login }
955	}	1386	}
956		1387
957	sub find($) {	1388	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1389	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1390	my $login = $_[0];
960		1391
961	my $guard = cf::lock_acquire "user_find:$login";	1392	my $guard = cf::lock_acquire "user_find:$login";
962		1393
963	$cf::PLAYER{$_[0]} || do {	1394	$cf::PLAYER{$_[0]} || do {
964	my $pl = load_pl path $login	1395	# rename old playerfiles to new ones
		1396	#TODO: remove when no longer required
		1397	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1398	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1399	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1400	aio_unlink +(playerdir $login) . "/$login.pl";
		1401
		1402	my $f = new_from_file cf::object::thawer path $login
965	or return;	1403	or return;
		1404
		1405	my $pl = cf::player::load_pl $f
		1406	or return;
		1407	local $cf::PLAYER_LOADING{$login} = $pl;
		1408	$f->resolve_delayed_derefs;
966	$cf::PLAYER{$login} = $pl	1409	$cf::PLAYER{$login} = $pl
967	}	1410	}
968	}	1411	}
969	}	1412	}
970		1413
…		…
980		1423
981	aio_mkdir playerdir $pl, 0770;	1424	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1425	$pl->{last_save} = $cf::RUNTIME;
983		1426
984	$pl->save_pl ($path);	1427	$pl->save_pl ($path);
985	Coro::cede;	1428	cf::cede_to_tick;
986	}	1429	}
987		1430
988	sub new($) {	1431	sub new($) {
989	my ($login) = @_;	1432	my ($login) = @_;
990		1433
…		…
996	$cf::PLAYER{$login} = $self;	1439	$cf::PLAYER{$login} = $self;
997		1440
998	$self	1441	$self
999	}	1442	}
1000		1443
		1444	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1445
		1446	=cut
		1447
		1448	sub send_msg {
		1449	my $ns = shift->ns
		1450	or return;
		1451	$ns->send_msg (@_);
		1452	}
		1453
1001	=item $pl->quit_character	1454	=item $pl->quit_character
1002		1455
1003	Nukes the player without looking back. If logged in, the connection will	1456	Nukes the player without looking back. If logged in, the connection will
1004	be destroyed. May block for a long time.	1457	be destroyed. May block for a long time.
1005		1458
1006	=cut	1459	=cut
1007		1460
1008	sub quit_character {	1461	sub quit_character {
1009	my ($pl) = @_;	1462	my ($pl) = @_;
		1463
		1464	my $name = $pl->ob->name;
1010		1465
1011	$pl->{deny_save} = 1;	1466	$pl->{deny_save} = 1;
1012	$pl->password ("*"); # this should lock out the player until we nuked the dir	1467	$pl->password ("*"); # this should lock out the player until we nuked the dir
1013		1468
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1469	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1019	my $path = playerdir $pl;	1474	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1475	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1476	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1477	delete $cf::PLAYER{$pl->ob->name};
1023	$pl->destroy;	1478	$pl->destroy;
		1479
		1480	my $prefix = qr<^~\Q$name\E/>;
		1481
		1482	# nuke player maps
		1483	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1484
1024	IO::AIO::aio_rmtree $temp;	1485	IO::AIO::aio_rmtree $temp;
		1486	}
		1487
		1488	=item $pl->kick
		1489
		1490	Kicks a player out of the game. This destroys the connection.
		1491
		1492	=cut
		1493
		1494	sub kick {
		1495	my ($pl, $kicker) = @_;
		1496
		1497	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1498	$pl->killer ("kicked");
		1499	$pl->ns->destroy;
1025	}	1500	}
1026		1501
1027	=item cf::player::list_logins	1502	=item cf::player::list_logins
1028		1503
1029	Returns am arrayref of all valid playernames in the system, can take a	1504	Returns am arrayref of all valid playernames in the system, can take a
1030	while and may block, so not sync_job-capable, ever.	1505	while and may block, so not sync_job-capable, ever.
1031		1506
1032	=cut	1507	=cut
1033		1508
1034	sub list_logins {	1509	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1510	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1511	or return [];
1037		1512
1038	my @logins;	1513	my @logins;
1039		1514
1040	for my $login (@$dirs) {	1515	for my $login (@$dirs) {
		1516	my $path = path $login;
		1517
		1518	# a .pst is a dead give-away for a valid player
		1519	unless (-e "$path.pst") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1521	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1522	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1523	}
1044		1524
1045	utf8::decode $login;	1525	utf8::decode $login;
1046	push @logins, $login;	1526	push @logins, $login;
1047	}	1527	}
1048		1528
…		…
1056		1536
1057	=cut	1537	=cut
1058		1538
1059	sub maps($) {	1539	sub maps($) {
1060	my ($pl) = @_;	1540	my ($pl) = @_;
		1541
		1542	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1543
1062	my $files = aio_readdir playerdir $pl	1544	my $files = aio_readdir playerdir $pl
1063	or return;	1545	or return;
1064		1546
1065	my @paths;	1547	my @paths;
…		…
1067	for (@$files) {	1549	for (@$files) {
1068	utf8::decode $_;	1550	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1551	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1552	next unless /^$PATH_SEP/o;
1071		1553
1072	s/\.map$//;	1554	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1555	}
1075		1556
1076	\@paths	1557	\@paths
1077	}	1558	}
1078		1559
		1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1561
		1562	Expand crossfire pod fragments into protocol xml.
		1563
		1564	=cut
		1565
		1566	use re 'eval';
		1567
		1568	my $group;
		1569	my $interior; $interior = qr{
		1570	# match a pod interior sequence sans C<< >>
		1571	(?:
		1572	\ (.*?)\ (?{ $group = $^N })
		1573	| < (??{$interior}) >
		1574	)
		1575	}x;
		1576
		1577	sub expand_cfpod {
		1578	my ($self, $pod) = @_;
		1579
		1580	my $xml;
		1581
		1582	while () {
		1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1584	$group = $1;
		1585
		1586	$group =~ s/&/&amp;/g;
		1587	$group =~ s/</&lt;/g;
		1588
		1589	$xml .= $group;
		1590	} elsif ($pod =~ m%\G
		1591	([BCGHITU])
		1592	<
		1593	(?:
		1594	([^<>]*) (?{ $group = $^N })
		1595	| < $interior >
		1596	)
		1597	>
		1598	%gcsx
		1599	) {
		1600	my ($code, $data) = ($1, $group);
		1601
		1602	if ($code eq "B") {
		1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1604	} elsif ($code eq "I") {
		1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1606	} elsif ($code eq "U") {
		1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1608	} elsif ($code eq "C") {
		1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1610	} elsif ($code eq "T") {
		1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1612	} elsif ($code eq "G") {
		1613	my ($male, $female) = split /\|/, $data;
		1614	$data = $self->gender ? $female : $male;
		1615	$xml .= expand_cfpod ($self, $data);
		1616	} elsif ($code eq "H") {
		1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1619	"")
		1620	[$self->{hintmode}];
		1621	} else {
		1622	$xml .= "error processing '$code($data)' directive";
		1623	}
		1624	} else {
		1625	if ($pod =~ /\G(.+)/) {
		1626	warn "parse error while expanding $pod (at $1)";
		1627	}
		1628	last;
		1629	}
		1630	}
		1631
		1632	for ($xml) {
		1633	# create single paragraphs (very hackish)
		1634	s/(?<=\S)\n(?=\w)/ /g;
		1635
		1636	# compress some whitespace
		1637	s/\s+\n/\n/g; # ws line-ends
		1638	s/\n\n+/\n/g; # double lines
		1639	s/^\n+//; # beginning lines
		1640	s/\n+$//; # ending lines
		1641	}
		1642
		1643	$xml
		1644	}
		1645
		1646	no re 'eval';
		1647
		1648	sub hintmode {
		1649	$_[0]{hintmode} = $_[1] if @_ > 1;
		1650	$_[0]{hintmode}
		1651	}
		1652
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1653	=item $player->ext_reply ($msgid, @msg)
1080		1654
1081	Sends an ext reply to the player.	1655	Sends an ext reply to the player.
1082		1656
1083	=cut	1657	=cut
1084		1658
1085	sub ext_reply($$$%) {	1659	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1660	my ($self, $id, @msg) = @_;
1087		1661
1088	$msg{msgid} = $id;	1662	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1663	}
1092		1664
1093	package cf;	1665	=item $player->ext_msg ($type, @msg)
		1666
		1667	Sends an ext event to the client.
		1668
		1669	=cut
		1670
		1671	sub ext_msg($$@) {
		1672	my ($self, $type, @msg) = @_;
		1673
		1674	$self->ns->ext_msg ($type, @msg);
		1675	}
		1676
		1677	=head3 cf::region
		1678
		1679	=over 4
		1680
		1681	=cut
		1682
		1683	package cf::region;
		1684
		1685	=item cf::region::find_by_path $path
		1686
		1687	Tries to decuce the likely region for a map knowing only its path.
		1688
		1689	=cut
		1690
		1691	sub find_by_path($) {
		1692	my ($path) = @_;
		1693
		1694	my ($match, $specificity);
		1695
		1696	for my $region (list) {
		1697	if ($region->{match} && $path =~ $region->{match}) {
		1698	($match, $specificity) = ($region, $region->specificity)
		1699	if $region->specificity > $specificity;
		1700	}
		1701	}
		1702
		1703	$match
		1704	}
1094		1705
1095	=back	1706	=back
1096
1097		1707
1098	=head3 cf::map	1708	=head3 cf::map
1099		1709
1100	=over 4	1710	=over 4
1101		1711
…		…
1105		1715
1106	use Fcntl;	1716	use Fcntl;
1107	use Coro::AIO;	1717	use Coro::AIO;
1108		1718
1109	use overload	1719	use overload
1110	'""' => \&as_string;	1720	'""' => \&as_string,
		1721	fallback => 1;
1111		1722
1112	our $MAX_RESET = 3600;	1723	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1724	our $DEFAULT_RESET = 3000;
1114		1725
1115	sub generate_random_map {	1726	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1727	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1729	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1739	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1740	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1741	)
1132	}	1742	}
1133		1743
		1744	=item cf::map->register ($regex, $prio)
		1745
		1746	Register a handler for the map path matching the given regex at the
		1747	givne priority (higher is better, built-in handlers have priority 0, the
		1748	default).
		1749
		1750	=cut
		1751
1134	sub register {	1752	sub register {
1135	my (undef, $regex) = @_;	1753	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1754	my $pkg = caller;
1137		1755
1138	no strict;	1756	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1757	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1758
1141	$EXT_MAP{$pkg} = qr<$regex>;	1759	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1760	}
1143		1761
1144	# also paths starting with '/'	1762	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1763	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1764
		1765	sub thawer_merge {
		1766	my ($self, $merge) = @_;
		1767
		1768	# we have to keep some variables in memory intact
		1769	local $self->{path};
		1770	local $self->{load_path};
		1771
		1772	$self->SUPER::thawer_merge ($merge);
		1773	}
1146		1774
1147	sub normalise {	1775	sub normalise {
1148	my ($path, $base) = @_;	1776	my ($path, $base) = @_;
		1777
		1778	$path = "$path"; # make sure its a string
		1779
		1780	$path =~ s/\.map$//;
1149		1781
1150	# map plan:	1782	# map plan:
1151	#	1783	#
1152	# /! non-realised random map exit (special hack!)	1784	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1785	# {... are special paths that are not being touched
…		…
1181		1813
1182	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1814	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183		1815
1184	$path = normalise $path, $base;	1816	$path = normalise $path, $base;
1185		1817
1186	for my $pkg (keys %EXT_MAP) {	1818	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1819	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1820	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1821	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1191	return $self;	1823	return $self;
1192	}	1824	}
1193	}	1825	}
1194		1826
1195	Carp::carp "unable to resolve path '$path'.";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1196	()	1828	()
1197	}	1829	}
1198		1830
1199	sub init {	1831	sub init {
1200	my ($self) = @_;	1832	my ($self) = @_;
…		…
1215		1847
1216	# the original (read-only) location	1848	# the original (read-only) location
1217	sub load_path {	1849	sub load_path {
1218	my ($self) = @_;	1850	my ($self) = @_;
1219		1851
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1852	"$MAPDIR/$self->{path}.map"
1221	}	1853	}
1222		1854
1223	# the temporary/swap location	1855	# the temporary/swap location
1224	sub save_path {	1856	sub save_path {
1225	my ($self) = @_;	1857	my ($self) = @_;
1226		1858
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1860	"$TMPDIR/$path.map"
1229	}	1861	}
1230		1862
1231	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1232	sub uniq_path {	1864	sub uniq_path {
1233	my ($self) = @_;	1865	my ($self) = @_;
1234		1866
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1868	"$UNIQUEDIR/$path"
1237	}	1869	}
1238		1870
1239	# and all this just because we cannot iterate over	1871	# and all this just because we cannot iterate over
1240	# all maps in C++...	1872	# all maps in C++...
1241	sub change_all_map_light {	1873	sub change_all_map_light {
…		…
1243		1875
1244	$_->change_map_light ($change)	1876	$_->change_map_light ($change)
1245	for grep $_->outdoor, values %cf::MAP;	1877	for grep $_->outdoor, values %cf::MAP;
1246	}	1878	}
1247		1879
		1880	sub decay_objects {
		1881	my ($self) = @_;
		1882
		1883	return if $self->{deny_reset};
		1884
		1885	$self->do_decay_objects;
		1886	}
		1887
1248	sub unlink_save {	1888	sub unlink_save {
1249	my ($self) = @_;	1889	my ($self) = @_;
1250		1890
1251	utf8::encode (my $save = $self->save_path);	1891	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1892	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1894	}
1255		1895
1256	sub load_header_from($) {	1896	sub load_header_from($) {
1257	my ($self, $path) = @_;	1897	my ($self, $path) = @_;
1258		1898
1259	utf8::encode $path;	1899	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1900	my $f = new_from_file cf::object::thawer $path
1261	or return;	1901	or return;
1262		1902
1263	$self->_load_header ($path)	1903	$self->_load_header ($f)
1264	or return;	1904	or return;
1265		1905
		1906	local $MAP_LOADING{$self->{path}} = $self;
		1907	$f->resolve_delayed_derefs;
		1908
1266	$self->{load_path} = $path;	1909	$self->{load_path} = $path;
1267		1910
1268	1	1911	1
1269	}	1912	}
1270		1913
1271	sub load_orig {	1914	sub load_header_orig {
1272	my ($self) = @_;	1915	my ($self) = @_;
1273		1916
1274	$self->load_header_from ($self->load_path)	1917	$self->load_header_from ($self->load_path)
1275	}	1918	}
1276		1919
1277	sub load_temp {	1920	sub load_header_temp {
1278	my ($self) = @_;	1921	my ($self) = @_;
1279		1922
1280	$self->load_header_from ($self->save_path)	1923	$self->load_header_from ($self->save_path)
		1924	}
		1925
		1926	sub prepare_temp {
		1927	my ($self) = @_;
		1928
		1929	$self->last_access ((delete $self->{last_access})
		1930	|| $cf::RUNTIME); #d#
		1931	# safety
		1932	$self->{instantiate_time} = $cf::RUNTIME
		1933	if $self->{instantiate_time} > $cf::RUNTIME;
		1934	}
		1935
		1936	sub prepare_orig {
		1937	my ($self) = @_;
		1938
		1939	$self->{load_original} = 1;
		1940	$self->{instantiate_time} = $cf::RUNTIME;
		1941	$self->last_access ($cf::RUNTIME);
		1942	$self->instantiate;
1281	}	1943	}
1282		1944
1283	sub load_header {	1945	sub load_header {
1284	my ($self) = @_;	1946	my ($self) = @_;
1285		1947
1286	if ($self->load_temp) {	1948	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	1949	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	1950	} else {
1293	$self->load_orig	1951	$self->load_header_orig
1294	or return;	1952	or return;
1295		1953	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	1954	}
		1955
		1956	$self->{deny_reset} = 1
		1957	if $self->no_reset;
		1958
		1959	$self->default_region (cf::region::find_by_path $self->{path})
		1960	unless $self->default_region;
1301		1961
1302	1	1962	1
1303	}	1963	}
1304		1964
1305	sub find;	1965	sub find;
1306	sub find {	1966	sub find {
1307	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1308		1968
1309	$path = normalise $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->path;
1310		1970
		1971	cf::lock_wait "map_data:$path";#d#remove
1311	cf::lock_wait "map_find:$path";	1972	cf::lock_wait "map_find:$path";
1312		1973
1313	$cf::MAP{$path} || do {	1974	$cf::MAP{$path} || do {
1314	my $guard = cf::lock_acquire "map_find:$path";	1975	my $guard1 = cf::lock_acquire "map_find:$path";
		1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1977
1315	my $map = new_from_path cf::map $path	1978	my $map = new_from_path cf::map $path
1316	or return;	1979	or return;
1317		1980
1318	$map->{last_save} = $cf::RUNTIME;	1981	$map->{last_save} = $cf::RUNTIME;
1319		1982
1320	$map->load_header	1983	$map->load_header
1321	or return;	1984	or return;
1322		1985
1323	if ($map->should_reset) {	1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1987	# doing this can freeze the server in a sync job, obviously
		1988	#$cf::WAIT_FOR_TICK->wait;
		1989	undef $guard1;
		1990	undef $guard2;
1324	$map->reset;	1991	$map->reset;
1325	undef $guard;
1326	$map = find $path	1992	return find $path;
1327	or return;
1328	}	1993	}
1329		1994
1330	$cf::MAP{$path} = $map	1995	$cf::MAP{$path} = $map
1331	}	1996	}
1332	}	1997	}
		1998
		1999	sub pre_load { }
		2000	sub post_load { }
1333		2001
1334	sub load {	2002	sub load {
1335	my ($self) = @_;	2003	my ($self) = @_;
1336		2004
		2005	local $self->{deny_reset} = 1; # loading can take a long time
		2006
1337	my $path = $self->{path};	2007	my $path = $self->{path};
		2008
		2009	{
1338	my $guard = cf::lock_acquire "map_load:$path";	2010	my $guard = cf::lock_acquire "map_data:$path";
1339		2011
		2012	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	2013	return unless $self->in_memory == cf::MAP_SWAPPED;
1341		2014
1342	$self->in_memory (cf::MAP_LOADING);	2015	$self->in_memory (cf::MAP_LOADING);
1343		2016
1344	$self->alloc;	2017	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)	2018
		2019	$self->pre_load;
		2020	cf::cede_to_tick;
		2021
		2022	my $f = new_from_file cf::object::thawer $self->{load_path};
		2023	$f->skip_block;
		2024	$self->_load_objects ($f)
1346	or return;	2025	or return;
1347		2026
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1349	if delete $self->{load_original};	2028	if delete $self->{load_original};
1350		2029
1351	if (my $uniq = $self->uniq_path) {	2030	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	2031	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	2032	unless (aio_stat $uniq) {
		2033	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	2034	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	2035	$self->_load_objects ($f);
		2036	$f->resolve_delayed_derefs;
		2037	}
1356	}	2038	}
1357	}	2039	}
1358		2040
1359	Coro::cede;	2041	$f->resolve_delayed_derefs;
1360		2042
		2043	cf::cede_to_tick;
1361	# now do the right thing for maps	2044	# now do the right thing for maps
1362	$self->link_multipart_objects;	2045	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	2046	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	2047	unless $self->difficulty;
1372	Coro::cede;	2048	cf::cede_to_tick;
		2049
		2050	unless ($self->{deny_activate}) {
		2051	$self->decay_objects;
		2052	$self->fix_auto_apply;
		2053	$self->update_buttons;
		2054	cf::cede_to_tick;
		2055	$self->set_darkness_map;
		2056	cf::cede_to_tick;
1373	$self->activate;	2057	$self->activate;
1374	}	2058	}
1375		2059
		2060	$self->{last_save} = $cf::RUNTIME;
		2061	$self->last_access ($cf::RUNTIME);
		2062
1376	$self->in_memory (cf::MAP_IN_MEMORY);	2063	$self->in_memory (cf::MAP_IN_MEMORY);
		2064	}
		2065
		2066	$self->post_load;
1377	}	2067	}
1378		2068
1379	sub customise_for {	2069	sub customise_for {
1380	my ($self, $ob) = @_;	2070	my ($self, $ob) = @_;
1381		2071
1382	return find "~" . $ob->name . "/" . $self->{path}	2072	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	2073	if $self->per_player;
1384		2074
		2075	# return find "?party/" . $ob->name . "/" . $self->{path}
		2076	# if $self->per_party;
		2077
1385	$self	2078	$self
1386	}	2079	}
1387		2080
1388	# find and load all maps in the 3x3 area around a map	2081	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	2082	sub load_neighbours {
1390	my ($map) = @_;	2083	my ($map) = @_;
1391		2084
1392	my @diag; # diagonal neighbours	2085	my @neigh; # diagonal neighbours
1393		2086
1394	for (0 .. 3) {	2087	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	2088	my $neigh = $map->tile_path ($_)
1396	or next;	2089	or next;
1397	$neigh = find $neigh, $map	2090	$neigh = find $neigh, $map
1398	or next;	2091	or next;
1399	$neigh->load;	2092	$neigh->load;
1400		2093
		2094	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	2097	}
1404		2098
1405	for (@diag) {	2099	for (grep defined $_->[0], @neigh) {
		2100	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	2101	my $neigh = find $path, $origin
1407	or next;	2102	or next;
1408	$neigh->load;	2103	$neigh->load;
1409	}	2104	}
1410	}	2105	}
1411		2106
…		…
1416	}	2111	}
1417		2112
1418	sub do_load_sync {	2113	sub do_load_sync {
1419	my ($map) = @_;	2114	my ($map) = @_;
1420		2115
		2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2117	if $Coro::current == $Coro::main;
		2118
1421	cf::sync_job { $map->load };	2119	cf::sync_job { $map->load };
1422	}	2120	}
1423		2121
1424	our %MAP_PREFETCH;	2122	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	2123	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		2124
1438	sub find_async {	2125	sub find_async {
1439	my ($path, $origin) = @_;	2126	my ($path, $origin, $load) = @_;
1440		2127
1441	$path = normalise $path, $origin && $origin->{path};	2128	$path = normalise $path, $origin && $origin->{path};
1442		2129
1443	if (my $map = $cf::MAP{$path}) {	2130	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2132	}
		2133
		2134	$MAP_PREFETCH{$path} |= $load;
		2135
		2136	$MAP_PREFETCHER ||= cf::async {
		2137	$Coro::current->{desc} = "map prefetcher";
		2138
		2139	while (%MAP_PREFETCH) {
		2140	while (my ($k, $v) = each %MAP_PREFETCH) {
		2141	if (my $map = find $k) {
		2142	$map->load if $v;
		2143	}
		2144
		2145	delete $MAP_PREFETCH{$k};
		2146	}
		2147	}
		2148	undef $MAP_PREFETCHER;
1445	}	2149	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2150	$MAP_PREFETCHER->prio (6);
1449		2151
1450	()	2152	()
1451	}	2153	}
1452		2154
1453	sub save {	2155	sub save {
1454	my ($self) = @_;	2156	my ($self) = @_;
1455		2157
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;	2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
1457		2159
1458	$self->{last_save} = $cf::RUNTIME;	2160	$self->{last_save} = $cf::RUNTIME;
1459		2161
1460	return unless $self->dirty;	2162	return unless $self->dirty;
1461		2163
…		…
1467	return if $self->{deny_save};	2169	return if $self->{deny_save};
1468		2170
1469	local $self->{last_access} = $self->last_access;#d#	2171	local $self->{last_access} = $self->last_access;#d#
1470		2172
1471	cf::async {	2173	cf::async {
		2174	$Coro::current->{desc} = "map player save";
1472	$_->contr->save for $self->players;	2175	$_->contr->save for $self->players;
1473	};	2176	};
1474		2177
1475	if ($uniq) {	2178	if ($uniq) {
1476	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1484	my ($self) = @_;	2187	my ($self) = @_;
1485		2188
1486	# save first because save cedes	2189	# save first because save cedes
1487	$self->save;	2190	$self->save;
1488		2191
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2192	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2193
1491	return if $self->players;	2194	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;	2195	return if $self->in_memory != cf::MAP_IN_MEMORY;
1493	return if $self->{deny_save};	2196	return if $self->{deny_save};
1494		2197
		2198	$self->in_memory (cf::MAP_SWAPPED);
		2199
		2200	$self->deactivate;
		2201	$_->clear_links_to ($self) for values %cf::MAP;
1495	$self->clear;	2202	$self->clear;
1496	$self->in_memory (cf::MAP_SWAPPED);
1497	}	2203	}
1498		2204
1499	sub reset_at {	2205	sub reset_at {
1500	my ($self) = @_;	2206	my ($self) = @_;
1501		2207
1502	# TODO: safety, remove and allow resettable per-player maps	2208	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2209	return 1e99 if $self->{deny_reset};
1505		2210
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2213
…		…
1513	my ($self) = @_;	2218	my ($self) = @_;
1514		2219
1515	$self->reset_at <= $cf::RUNTIME	2220	$self->reset_at <= $cf::RUNTIME
1516	}	2221	}
1517		2222
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2223	sub reset {
1533	my ($self) = @_;	2224	my ($self) = @_;
1534		2225
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2227
1537	return if $self->players;	2228	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2229
1540	warn "resetting map ", $self->path;#d#	2230	warn "resetting map ", $self->path;
		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	# need to save uniques path
		2235	unless ($self->{deny_save}) {
		2236	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2237
		2238	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2239	if $uniq;
		2240	}
1541		2241
1542	delete $cf::MAP{$self->path};	2242	delete $cf::MAP{$self->path};
1543		2243
1544	$self->in_memory (cf::MAP_SWAPPED);	2244	$self->deactivate;
		2245	$_->clear_links_to ($self) for values %cf::MAP;
1545	$self->clear;	2246	$self->clear;
1546
1547	$_->clear_links_to ($self) for values %cf::MAP;
1548		2247
1549	$self->unlink_save;	2248	$self->unlink_save;
1550	$self->destroy;	2249	$self->destroy;
1551	}	2250	}
1552		2251
1553	my $nuke_counter = "aaaa";	2252	my $nuke_counter = "aaaa";
1554		2253
1555	sub nuke {	2254	sub nuke {
1556	my ($self) = @_;	2255	my ($self) = @_;
1557		2256
		2257	{
		2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2259
		2260	delete $cf::MAP{$self->path};
		2261
		2262	$self->unlink_save;
		2263
		2264	bless $self, "cf::map";
		2265	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	2266	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2267	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2269
		2270	$cf::MAP{$self->path} = $self;
		2271	}
		2272
1561	$self->reset; # polite request, might not happen	2273	$self->reset; # polite request, might not happen
		2274	}
		2275
		2276	=item $maps = cf::map::tmp_maps
		2277
		2278	Returns an arrayref with all map paths of currently instantiated and saved
		2279	maps. May block.
		2280
		2281	=cut
		2282
		2283	sub tmp_maps() {
		2284	[
		2285	map {
		2286	utf8::decode $_;
		2287	/\.map$/
		2288	? normalise $_
		2289	: ()
		2290	} @{ aio_readdir $TMPDIR or [] }
		2291	]
		2292	}
		2293
		2294	=item $maps = cf::map::random_maps
		2295
		2296	Returns an arrayref with all map paths of currently instantiated and saved
		2297	random maps. May block.
		2298
		2299	=cut
		2300
		2301	sub random_maps() {
		2302	[
		2303	map {
		2304	utf8::decode $_;
		2305	/\.map$/
		2306	? normalise "?random/$_"
		2307	: ()
		2308	} @{ aio_readdir $RANDOMDIR or [] }
		2309	]
1562	}	2310	}
1563		2311
1564	=item cf::map::unique_maps	2312	=item cf::map::unique_maps
1565		2313
1566	Returns an arrayref of paths of all shared maps that have	2314	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2315	instantiated unique items. May block.
1568		2316
1569	=cut	2317	=cut
1570		2318
1571	sub unique_maps() {	2319	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2320	[
1573	or return;	2321	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2322	utf8::decode $_;
1579	next if /\.pst$/;
1580	next unless /^$PATH_SEP/o;
1581
1582	s/\.map$//;	2323	/\.map$/
1583	push @paths, $_;	2324	? normalise $_
		2325	: ()
		2326	} @{ aio_readdir $UNIQUEDIR or [] }
1584	}	2327	]
1585
1586	\@paths
1587	}	2328	}
1588		2329
1589	package cf;	2330	package cf;
1590		2331
1591	=back	2332	=back
…		…
1609	map { $_, inv_recursive_ $_->inv } @_	2350	map { $_, inv_recursive_ $_->inv } @_
1610	}	2351	}
1611		2352
1612	sub inv_recursive {	2353	sub inv_recursive {
1613	inv_recursive_ inv $_[0]	2354	inv_recursive_ inv $_[0]
		2355	}
		2356
		2357	=item $ref = $ob->ref
		2358
		2359	creates and returns a persistent reference to an objetc that can be stored as a string.
		2360
		2361	=item $ob = cf::object::deref ($refstring)
		2362
		2363	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2364	even if the object actually exists. May block.
		2365
		2366	=cut
		2367
		2368	sub deref {
		2369	my ($ref) = @_;
		2370
		2371	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2372	my ($uuid, $name) = ($1, $2);
		2373	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2374	or return;
		2375	$pl->ob->uuid eq $uuid
		2376	or return;
		2377
		2378	$pl->ob
		2379	} else {
		2380	warn "$ref: cannot resolve object reference\n";
		2381	undef
		2382	}
1614	}	2383	}
1615		2384
1616	package cf;	2385	package cf;
1617		2386
1618	=back	2387	=back
…		…
1637		2406
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2408
1640	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1642	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1643	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2421	$self->message ($msg, $flags);
		2422	}
1645	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1646	}	2434	}
1647		2435
1648	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1649		2437
1650	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1682	=cut	2470	=cut
1683		2471
1684	sub link_map {	2472	sub link_map {
1685	unless ($LINK_MAP) {	2473	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2474	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2475	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2476	$LINK_MAP->load;
1689	}	2477	}
1690		2478
1691	$LINK_MAP	2479	$LINK_MAP
1692	}	2480	}
…		…
1697	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1698		2486
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2488
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1703		2491
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1705	}	2493	}
1706		2494
1707	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1709		2499
1710	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1711		2501
1712	unless ($map) {	2502	unless ($map) {
1713	# restore original map position	2503	# restore original map position
…		…
1727	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1730		2520
1731	$map->load;	2521	$map->load;
1732	$map->load_diag;	2522	$map->load_neighbours;
1733		2523
1734	return unless $self->contr->active;	2524	return unless $self->contr->active;
1735	$self->activate_recursive;	2525	$self->activate_recursive;
		2526
		2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1737	}	2529	}
1738		2530
1739	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1740	on_logout => sub {
1741	my ($pl) = @_;
1742		2532
1743	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1744	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1745	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1746	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1747	};	2537	be called at the end of this process.
1748	}
1749	},
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2538
1753	# try to abort aborted map switching on player login :)
1754	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770
1771	=item $player_object->goto ($path, $x, $y)
1772
1773	=cut	2539	=cut
		2540
		2541	our $GOTOGEN;
1774		2542
1775	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1776	my ($self, $path, $x, $y) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
		2545
		2546	# do generation counting so two concurrent goto's will be executed in-order
		2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1777		2548
1778	$self->enter_link;	2549	$self->enter_link;
1779		2550
1780	(async {	2551	(async {
1781	my $map = cf::map::find $path;	2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
		2573	my $map = eval {
		2574	my $map = defined $path ? cf::map::find $path : undef;
		2575
		2576	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2577	$map = $map->customise_for ($self);
1783		2578	$map = $check->($map) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2579	} else {
1785	# if $map;
1786
1787	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2581	}
1788		2582
		2583	$map
		2584	};
		2585
		2586	if ($@) {
		2587	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	LOG llevError | logBacktrace, Carp::longmess $@;
		2589	}
		2590
		2591	if ($gen == $self->{_goto_generation}) {
		2592	delete $self->{_goto_generation};
1789	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
		2594	}
		2595
		2596	$done->() if $done;
1790	})->prio (1);	2597	})->prio (1);
1791	}	2598	}
1792		2599
1793	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
1794		2601
…		…
1796		2603
1797	sub parse_random_map_params {	2604	sub parse_random_map_params {
1798	my ($spec) = @_;	2605	my ($spec) = @_;
1799		2606
1800	my $rmp = { # defaults	2607	my $rmp = { # defaults
1801	xsize => 10,	2608	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2609	ysize => (cf::rndm 15, 40),
		2610	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2611	#layout => string,
1803	};	2612	};
1804		2613
1805	for (split /\n/, $spec) {	2614	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2615	my ($k, $v) = split /\s+/, $_, 2;
1807		2616
…		…
1811	$rmp	2620	$rmp
1812	}	2621	}
1813		2622
1814	sub prepare_random_map {	2623	sub prepare_random_map {
1815	my ($exit) = @_;	2624	my ($exit) = @_;
		2625
		2626	my $guard = cf::lock_acquire "exit_prepare:$exit";
1816		2627
1817	# all this does is basically replace the /! path by	2628	# all this does is basically replace the /! path by
1818	# a new random map path (?random/...) with a seed	2629	# a new random map path (?random/...) with a seed
1819	# that depends on the exit object	2630	# that depends on the exit object
1820		2631
1821	my $rmp = parse_random_map_params $exit->msg;	2632	my $rmp = parse_random_map_params $exit->msg;
1822		2633
1823	if ($exit->map) {	2634	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2635	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2636	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2637	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2638	$rmp->{origin_y} = $exit->y;
1828	}	2639	}
1829		2640
1830	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
1831		2642
1832	my $data = cf::to_json $rmp;	2643	my $data = cf::encode_json $rmp;
1833	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
		2645	my $meta = "$RANDOMDIR/$md5.meta";
1834		2646
1835	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
		2649	undef $fh;
		2650	aio_rename "$meta~", $meta;
1837		2651
1838	$exit->slaying ("?random/$md5");	2652	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2653	$exit->msg (undef);
1840	}	2654	}
1841	}	2655	}
…		…
1843	sub cf::object::player::enter_exit {	2657	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2658	my ($self, $exit) = @_;
1845		2659
1846	return unless $self->type == cf::PLAYER;	2660	return unless $self->type == cf::PLAYER;
1847		2661
		2662	if ($exit->slaying eq "/!") {
		2663	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2664	# the problem is that $exit might not survive long enough
		2665	# so it needs to be done right now, right here
		2666	cf::sync_job { prepare_random_map $exit };
		2667	}
		2668
		2669	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2670	my $hp = $exit->stats->hp;
		2671	my $sp = $exit->stats->sp;
		2672
1848	$self->enter_link;	2673	$self->enter_link;
1849		2674
		2675	# if exit is damned, update players death & WoR home-position
		2676	$self->contr->savebed ($slaying, $hp, $sp)
		2677	if $exit->flag (FLAG_DAMNED);
		2678
1850	(async {	2679	(async {
		2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2681
1851	$self->deactivate_recursive; # just to be sure	2682	$self->deactivate_recursive; # just to be sure
1852	unless (eval {	2683	unless (eval {
1853	prepare_random_map $exit	2684	$self->goto ($slaying, $hp, $sp);
1854	if $exit->slaying eq "/!";
1855
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1858		2685
1859	1;	2686	1;
1860	}) {	2687	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2688	$self->message ("Something went wrong deep within the crossfire server. "
1862	. "I'll try to bring you back to the map you were before. "	2689	. "I'll try to bring you back to the map you were before. "
1863	. "Please report this to the dungeon master!",	2690	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2691	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2692
1866	warn "ERROR in enter_exit: $@";	2693	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2694	$self->leave_link;
1868	}	2695	}
1869	})->prio (1);	2696	})->prio (1);
…		…
1882		2709
1883	sub cf::client::send_drawinfo {	2710	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2711	my ($self, $text, $flags) = @_;
1885		2712
1886	utf8::encode $text;	2713	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2715	}
1889		2716
		2717	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2718
		2719	Send a drawinfo or msg packet to the client, formatting the msg for the
		2720	client if neccessary. C<$type> should be a string identifying the type of
		2721	the message, with C<log> being the default. If C<$color> is negative, suppress
		2722	the message unless the client supports the msg packet.
		2723
		2724	=cut
		2725
		2726	# non-persistent channels (usually the info channel)
		2727	our %CHANNEL = (
		2728	"c/identify" => {
		2729	id => "infobox",
		2730	title => "Identify",
		2731	reply => undef,
		2732	tooltip => "Items recently identified",
		2733	},
		2734	"c/examine" => {
		2735	id => "infobox",
		2736	title => "Examine",
		2737	reply => undef,
		2738	tooltip => "Signs and other items you examined",
		2739	},
		2740	"c/book" => {
		2741	id => "infobox",
		2742	title => "Book",
		2743	reply => undef,
		2744	tooltip => "The contents of a note or book",
		2745	},
		2746	"c/lookat" => {
		2747	id => "infobox",
		2748	title => "Look",
		2749	reply => undef,
		2750	tooltip => "What you saw there",
		2751	},
		2752	"c/who" => {
		2753	id => "infobox",
		2754	title => "Players",
		2755	reply => undef,
		2756	tooltip => "Shows players who are currently online",
		2757	},
		2758	"c/body" => {
		2759	id => "infobox",
		2760	title => "Body Parts",
		2761	reply => undef,
		2762	tooltip => "Shows which body parts you posess and are available",
		2763	},
		2764	"c/uptime" => {
		2765	id => "infobox",
		2766	title => "Uptime",
		2767	reply => undef,
		2768	tooltip => "How long the server has been running since last restart",
		2769	},
		2770	"c/mapinfo" => {
		2771	id => "infobox",
		2772	title => "Map Info",
		2773	reply => undef,
		2774	tooltip => "Information related to the maps",
		2775	},
		2776	);
		2777
		2778	sub cf::client::send_msg {
		2779	my ($self, $channel, $msg, $color, @extra) = @_;
		2780
		2781	$msg = $self->pl->expand_cfpod ($msg);
		2782
		2783	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2784
		2785	# check predefined channels, for the benefit of C
		2786	if ($CHANNEL{$channel}) {
		2787	$channel = $CHANNEL{$channel};
		2788
		2789	$self->ext_msg (channel_info => $channel)
		2790	if $self->can_msg;
		2791
		2792	$channel = $channel->{id};
		2793
		2794	} elsif (ref $channel) {
		2795	# send meta info to client, if not yet sent
		2796	unless (exists $self->{channel}{$channel->{id}}) {
		2797	$self->{channel}{$channel->{id}} = $channel;
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800	}
		2801
		2802	$channel = $channel->{id};
		2803	}
		2804
		2805	return unless @extra || length $msg;
		2806
		2807	if ($self->can_msg) {
		2808	# default colour, mask it out
		2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2810	if $color & cf::NDI_DEF;
		2811
		2812	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2814	} else {
		2815	if ($color >= 0) {
		2816	# replace some tags by gcfclient-compatible ones
		2817	for ($msg) {
		2818	1 while
		2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2824	}
		2825
		2826	$color &= cf::NDI_COLOR_MASK;
		2827
		2828	utf8::encode $msg;
		2829
		2830	if (0 && $msg =~ /\[/) {
		2831	# COMMAND/INFO
		2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2833	} else {
		2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2835	$self->send_packet ("drawinfo $color $msg")
		2836	}
		2837	}
		2838	}
		2839	}
		2840
		2841	=item $client->ext_msg ($type, @msg)
		2842
		2843	Sends an ext event to the client.
		2844
		2845	=cut
		2846
		2847	sub cf::client::ext_msg($$@) {
		2848	my ($self, $type, @msg) = @_;
		2849
		2850	if ($self->extcmd == 2) {
		2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2852	} elsif ($self->extcmd == 1) { # TODO: remove
		2853	push @msg, msgtype => "event_$type";
		2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2855	}
		2856	}
		2857
		2858	=item $client->ext_reply ($msgid, @msg)
		2859
		2860	Sends an ext reply to the client.
		2861
		2862	=cut
		2863
		2864	sub cf::client::ext_reply($$@) {
		2865	my ($self, $id, @msg) = @_;
		2866
		2867	if ($self->extcmd == 2) {
		2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2869	} elsif ($self->extcmd == 1) {
		2870	#TODO: version 1, remove
		2871	unshift @msg, msgtype => "reply", msgid => $id;
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2873	}
		2874	}
1890		2875
1891	=item $success = $client->query ($flags, "text", \&cb)	2876	=item $success = $client->query ($flags, "text", \&cb)
1892		2877
1893	Queues a query to the client, calling the given callback with	2878	Queues a query to the client, calling the given callback with
1894	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2879	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1895	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2880	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1896		2881
1897	Queries can fail, so check the return code. Or don't, as queries will become	2882	Queries can fail, so check the return code. Or don't, as queries will
1898	reliable at some point in the future.	2883	become reliable at some point in the future.
1899		2884
1900	=cut	2885	=cut
1901		2886
1902	sub cf::client::query {	2887	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	2888	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	2896	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2897	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		2898
1914	$self->send_packet ($self->{query_queue}[0][0])	2899	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	2900	if @{ $self->{query_queue} } == 1;
		2901
		2902	1
1916	}	2903	}
1917		2904
1918	cf::client->attach (	2905	cf::client->attach (
		2906	on_connect => sub {
		2907	my ($ns) = @_;
		2908
		2909	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2910	},
1919	on_reply => sub {	2911	on_reply => sub {
1920	my ($ns, $msg) = @_;	2912	my ($ns, $msg) = @_;
1921		2913
1922	# this weird shuffling is so that direct followup queries	2914	# this weird shuffling is so that direct followup queries
1923	# get handled first	2915	# get handled first
1924	my $queue = delete $ns->{query_queue}	2916	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	2917	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		2918
1927	(shift @$queue)->[1]->($msg);	2919	(shift @$queue)->[1]->($msg);
		2920	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		2921
1929	push @{ $ns->{query_queue} }, @$queue;	2922	push @{ $ns->{query_queue} }, @$queue;
1930		2923
1931	if (@{ $ns->{query_queue} } == @$queue) {	2924	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	2925	if (@$queue) {
…		…
1934	} else {	2927	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2928	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	2929	}
1937	}	2930	}
1938	},	2931	},
		2932	on_exticmd => sub {
		2933	my ($ns, $buf) = @_;
		2934
		2935	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2936
		2937	if (ref $msg) {
		2938	my ($type, $reply, @payload) =
		2939	"ARRAY" eq ref $msg
		2940	? @$msg
		2941	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2942
		2943	my @reply;
		2944
		2945	if (my $cb = $EXTICMD{$type}) {
		2946	@reply = $cb->($ns, @payload);
		2947	}
		2948
		2949	$ns->ext_reply ($reply, @reply)
		2950	if $reply;
		2951
		2952	} else {
		2953	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2954	}
		2955
		2956	cf::override;
		2957	},
1939	);	2958	);
1940		2959
1941	=item $client->async (\&cb)	2960	=item $client->async (\&cb)
1942		2961
1943	Create a new coroutine, running the specified callback. The coroutine will	2962	Create a new coroutine, running the specified callback. The coroutine will
…		…
1984	our $safe = new Safe "safe";	3003	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	3004	our $safe_hole = new Safe::Hole;
1986		3005
1987	$SIG{FPE} = 'IGNORE';	3006	$SIG{FPE} = 'IGNORE';
1988		3007
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3008	$safe->permit_only (Opcode::opset qw(
		3009	:base_core :base_mem :base_orig :base_math
		3010	grepstart grepwhile mapstart mapwhile
		3011	sort time
		3012	));
1990		3013
1991	# here we export the classes and methods available to script code	3014	# here we export the classes and methods available to script code
1992		3015
1993	=pod	3016	=pod
1994		3017
1995	The following fucntions and emthods are available within a safe environment:	3018	The following functions and methods are available within a safe environment:
1996		3019
1997	cf::object contr pay_amount pay_player map	3020	cf::object
		3021	contr pay_amount pay_player map x y force_find force_add destroy
		3022	insert remove name archname title slaying race decrease_ob_nr
		3023
1998	cf::object::player player	3024	cf::object::player
1999	cf::player peaceful	3025	player
2000	cf::map trigger	3026
		3027	cf::player
		3028	peaceful
		3029
		3030	cf::map
		3031	trigger
2001		3032
2002	=cut	3033	=cut
2003		3034
2004	for (	3035	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3037	insert remove inv name archname title slaying race
		3038	decrease_ob_nr destroy)],
2006	["cf::object::player" => qw(player)],	3039	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	3040	["cf::player" => qw(peaceful)],
2008	["cf::map" => qw(trigger)],	3041	["cf::map" => qw(trigger)],
2009	) {	3042	) {
2010	no strict 'refs';	3043	no strict 'refs';
…		…
2081	=back	3114	=back
2082		3115
2083	=cut	3116	=cut
2084		3117
2085	#############################################################################	3118	#############################################################################
		3119	# the server's init and main functions
2086		3120
2087	=head2 EXTENSION DATABASE SUPPORT	3121	sub load_facedata($) {
		3122	my ($path) = @_;
2088		3123
2089	Crossfire maintains a very simple database for extension use. It can	3124	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	3125	# for this (global event?)
2091	excludes objects.	3126	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		3127
2093	The parameter C<$family> should best start with the name of the extension	3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		3129
2096	=over 4	3130	warn "loading facedata from $path\n";
2097		3131
2098	=item $hashref = cf::db_get $family	3132	my $facedata;
		3133	0 < aio_load $path, $facedata
		3134	or die "$path: $!";
2099		3135
2100	Return a hashref for use by the extension C<$family>, which can be	3136	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		3137
2104	=item $value = cf::db_get $family => $key	3138	$facedata->{version} == 2
		3139	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		3140
2106	Returns a single value from the database	3141	# patch in the exptable
2107		3142	$facedata->{resource}{"res/exp_table"} = {
2108	=item cf::db_put $family => $hashref	3143	type => FT_RSRC,
2109		3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2110	Stores the given family hashref into the database. Updates are delayed, if
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	3145	};
		3146	cf::cede_to_tick;
2159		3147
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	3148	{
		3149	my $faces = $facedata->{faceinfo};
2164		3150
2165	sub db_get($;$) {	3151	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}	3153	cf::face::set_visibility $idx, $info->{visibility};
2168	: ($DB->{$_[0]} ||= { })	3154	cf::face::set_magicmap $idx, $info->{magicmap};
2169	}	3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2170		3157
2171	sub db_put($$;$) {	3158	cf::cede_to_tick;
2172	if (@_ >= 3) {
2173	$DB->{$_[0]}{$_[1]} = $_[2];
2174	} else {
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179
2180	cf::global->attach (
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	3159	}
2185	);
2186	}
2187		3160
2188	#############################################################################	3161	while (my ($face, $info) = each %$faces) {
2189	# the server's main()	3162	next unless $info->{smooth};
		3163	my $idx = cf::face::find $face
		3164	or next;
		3165	if (my $smooth = cf::face::find $info->{smooth}) {
		3166	cf::face::set_smooth $idx, $smooth;
		3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3168	} else {
		3169	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3170	}
2190		3171
2191	sub cfg_load {	3172	cf::cede_to_tick;
		3173	}
		3174	}
		3175
		3176	{
		3177	my $anims = $facedata->{animinfo};
		3178
		3179	while (my ($anim, $info) = each %$anims) {
		3180	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3181	cf::cede_to_tick;
		3182	}
		3183
		3184	cf::anim::invalidate_all; # d'oh
		3185	}
		3186
		3187	{
		3188	# TODO: for gcfclient pleasure, we should give resources
		3189	# that gcfclient doesn't grok a >10000 face index.
		3190	my $res = $facedata->{resource};
		3191
		3192	my $soundconf = delete $res->{"res/sound.conf"};
		3193
		3194	while (my ($name, $info) = each %$res) {
		3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3196	my $data;
		3197
		3198	if ($info->{type} & 1) {
		3199	# prepend meta info
		3200
		3201	my $meta = $enc->encode ({
		3202	name => $name,
		3203	%{ $info->{meta} || {} },
		3204	});
		3205
		3206	$data = pack "(w/a*)*", $meta, $info->{data};
		3207	} else {
		3208	$data = $info->{data};
		3209	}
		3210
		3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3212	cf::face::set_type $idx, $info->{type};
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	if ($soundconf) {
		3218	$soundconf = $enc->decode (delete $soundconf->{data});
		3219
		3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3221	my $sound = $soundconf->{compat}[$_]
		3222	or next;
		3223
		3224	my $face = cf::face::find "sound/$sound->[1]";
		3225	cf::sound::set $sound->[0] => $face;
		3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3227	}
		3228
		3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3230	my $face = cf::face::find "sound/$v";
		3231	cf::sound::set $k => $face;
		3232	}
		3233	}
		3234	}
		3235
		3236	1
		3237	}
		3238
		3239	register_exticmd fx_want => sub {
		3240	my ($ns, $want) = @_;
		3241
		3242	while (my ($k, $v) = each %$want) {
		3243	$ns->fx_want ($k, $v);
		3244	}
		3245	};
		3246
		3247	sub reload_regions {
		3248	# HACK to clear player env face cache, we need some signal framework
		3249	# for this (global event?)
		3250	%ext::player_env::MUSIC_FACE_CACHE = ();
		3251
		3252	load_resource_file "$MAPDIR/regions"
		3253	or die "unable to load regions file\n";
		3254
		3255	for (cf::region::list) {
		3256	$_->{match} = qr/$_->{match}/
		3257	if exists $_->{match};
		3258	}
		3259	}
		3260
		3261	sub reload_facedata {
		3262	load_facedata "$DATADIR/facedata"
		3263	or die "unable to load facedata\n";
		3264	}
		3265
		3266	sub reload_archetypes {
		3267	load_resource_file "$DATADIR/archetypes"
		3268	or die "unable to load archetypes\n";
		3269	#d# NEED to laod twice to resolve forward references
		3270	# this really needs to be done in an extra post-pass
		3271	# (which needs to be synchronous, so solve it differently)
		3272	load_resource_file "$DATADIR/archetypes"
		3273	or die "unable to load archetypes\n";
		3274	}
		3275
		3276	sub reload_treasures {
		3277	load_resource_file "$DATADIR/treasures"
		3278	or die "unable to load treasurelists\n";
		3279	}
		3280
		3281	sub reload_resources {
		3282	warn "reloading resource files...\n";
		3283
		3284	reload_regions;
		3285	reload_facedata;
		3286	#reload_archetypes;#d#
		3287	reload_archetypes;
		3288	reload_treasures;
		3289
		3290	warn "finished reloading resource files\n";
		3291	}
		3292
		3293	sub init {
		3294	reload_resources;
		3295	}
		3296
		3297	sub reload_config {
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3298	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	3299	or return;
2194		3300
2195	local $/;	3301	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	3302	*CFG = YAML::Syck::Load <$fh>;
2197		3303
…		…
2211		3317
2212	sub main {	3318	sub main {
2213	# we must not ever block the main coroutine	3319	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3320	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3321	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2216	async { Event::one_event };	3322	(async {
		3323	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3324	EV::loop EV::LOOP_ONESHOT;
		3325	})->prio (Coro::PRIO_MAX);
2217	};	3326	};
2218		3327
2219	cfg_load;	3328	reload_config;
2220	db_load;	3329	db_init;
2221	load_extensions;	3330	load_extensions;
		3331
		3332	$TICK_WATCHER->start;
		3333	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2222	Event::loop;	3334	EV::loop;
2223	}	3335	}
2224		3336
2225	#############################################################################	3337	#############################################################################
2226	# initialisation and cleanup	3338	# initialisation and cleanup
2227		3339
2228	# install some emergency cleanup handlers	3340	# install some emergency cleanup handlers
2229	BEGIN {	3341	BEGIN {
		3342	our %SIGWATCHER = ();
2230	for my $signal (qw(INT HUP TERM)) {	3343	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3344	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2232	data => WF_AUTOCANCEL,
2233	signal => $signal,
2234	cb => sub {
2235	cf::cleanup "SIG$signal";	3345	cf::cleanup "SIG$signal";
2236	},
2237	);	3346	};
		3347	}
		3348	}
		3349
		3350	sub write_runtime {
		3351	my $runtime = "$LOCALDIR/runtime";
		3352
		3353	# first touch the runtime file to show we are still running:
		3354	# the fsync below can take a very very long time.
		3355
		3356	IO::AIO::aio_utime $runtime, undef, undef;
		3357
		3358	my $guard = cf::lock_acquire "write_runtime";
		3359
		3360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3361	or return;
		3362
		3363	my $value = $cf::RUNTIME + 90 + 10;
		3364	# 10 is the runtime save interval, for a monotonic clock
		3365	# 60 allows for the watchdog to kill the server.
		3366
		3367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3368	and return;
		3369
		3370	# always fsync - this file is important
		3371	aio_fsync $fh
		3372	and return;
		3373
		3374	# touch it again to show we are up-to-date
		3375	aio_utime $fh, undef, undef;
		3376
		3377	close $fh
		3378	or return;
		3379
		3380	aio_rename "$runtime~", $runtime
		3381	and return;
		3382
		3383	warn "runtime file written.\n";
		3384
2238	}	3385	1
2239	}	3386	}
2240		3387
2241	sub emergency_save() {	3388	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3389	my $freeze_guard = cf::freeze_mainloop;
2243		3390
…		…
2249	# and maps saved/destroyed asynchronously.	3396	# and maps saved/destroyed asynchronously.
2250	warn "begin emergency player save\n";	3397	warn "begin emergency player save\n";
2251	for my $login (keys %cf::PLAYER) {	3398	for my $login (keys %cf::PLAYER) {
2252	my $pl = $cf::PLAYER{$login} or next;	3399	my $pl = $cf::PLAYER{$login} or next;
2253	$pl->valid or next;	3400	$pl->valid or next;
		3401	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2254	$pl->save;	3402	$pl->save;
2255	}	3403	}
2256	warn "end emergency player save\n";	3404	warn "end emergency player save\n";
2257		3405
2258	warn "begin emergency map save\n";	3406	warn "begin emergency map save\n";
…		…
2260	my $map = $cf::MAP{$path} or next;	3408	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3409	$map->valid or next;
2262	$map->save;	3410	$map->save;
2263	}	3411	}
2264	warn "end emergency map save\n";	3412	warn "end emergency map save\n";
		3413
		3414	warn "begin emergency database checkpoint\n";
		3415	BDB::db_env_txn_checkpoint $DB_ENV;
		3416	warn "end emergency database checkpoint\n";
2265	};	3417	};
2266		3418
2267	warn "leave emergency perl save\n";	3419	warn "leave emergency perl save\n";
2268	}	3420	}
2269		3421
		3422	sub post_cleanup {
		3423	my ($make_core) = @_;
		3424
		3425	warn Carp::longmess "post_cleanup backtrace"
		3426	if $make_core;
		3427	}
		3428
2270	sub reload() {	3429	sub do_reload_perl() {
2271	# can/must only be called in main	3430	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3431	if ($Coro::current != $Coro::main) {
2273	warn "can only reload from main coroutine\n";	3432	warn "can only reload from main coroutine";
2274	return;	3433	return;
2275	}	3434	}
2276		3435
2277	warn "reloading...";	3436	warn "reloading...";
2278		3437
2279	warn "freezing server";	3438	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	3439
		3440	cf::sync_job {
		3441	cf::write_runtime; # external watchdog should not bark
2281	cf::emergency_save;	3442	cf::emergency_save;
		3443	cf::write_runtime; # external watchdog should not bark
2282		3444
2283	warn "sync database to disk";	3445	warn "syncing database to disk";
2284	cf::db_sync;	3446	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		3447
2287	eval {
2288	# if anything goes wrong in here, we should simply crash as we already saved	3448	# if anything goes wrong in here, we should simply crash as we already saved
2289		3449
2290	warn "cancel all watchers";	3450	warn "flushing outstanding aio requests";
2291	for (Event::all_watchers) {	3451	for (;;) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	3452	BDB::flush;
		3453	IO::AIO::flush;
		3454	Coro::cede_notself;
		3455	last unless IO::AIO::nreqs || BDB::nreqs;
		3456	warn "iterate...";
2293	}	3457	}
2294		3458
		3459	++$RELOAD;
		3460
2295	warn "cancel all extension coros";	3461	warn "cancelling all extension coros";
2296	$_->cancel for values %EXT_CORO;	3462	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();	3463	%EXT_CORO = ();
2298		3464
2299	warn "remove commands";	3465	warn "removing commands";
2300	%COMMAND = ();	3466	%COMMAND = ();
2301		3467
2302	warn "remove ext commands";	3468	warn "removing ext/exti commands";
2303	%EXTCMD = ();	3469	%EXTCMD = ();
		3470	%EXTICMD = ();
2304		3471
2305	warn "unload/nuke all extensions";	3472	warn "unloading/nuking all extensions";
2306	for my $pkg (@EXTS) {	3473	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";	3474	warn "... unloading $pkg";
2308		3475
2309	if (my $cb = $pkg->can ("unload")) {	3476	if (my $cb = $pkg->can ("unload")) {
2310	eval {	3477	eval {
…		…
2315		3482
2316	warn "... nuking $pkg";	3483	warn "... nuking $pkg";
2317	Symbol::delete_package $pkg;	3484	Symbol::delete_package $pkg;
2318	}	3485	}
2319		3486
2320	warn "unload all perl modules loaded from $LIBDIR";	3487	warn "unloading all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {	3488	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3489	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323		3490
2324	warn "removing <$k>";	3491	warn "... unloading $k";
2325	delete $INC{$k};	3492	delete $INC{$k};
2326		3493
2327	$k =~ s/\.pm$//;	3494	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;	3495	$k =~ s/\//::/g;
2329		3496
…		…
2332	}	3499	}
2333		3500
2334	Symbol::delete_package $k;	3501	Symbol::delete_package $k;
2335	}	3502	}
2336		3503
2337	warn "get rid of safe::, as good as possible";	3504	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3505	Symbol::delete_package "safe::$_"
2339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3506	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340		3507
2341	warn "unload cf.pm \"a bit\"";	3508	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3509	delete $INC{"cf.pm"};
		3510	delete $INC{"cf/pod.pm"};
2343		3511
2344	# don't, removes xs symbols, too,	3512	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3513	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3514	#Symbol::delete_package __PACKAGE__;
2347		3515
		3516	warn "unload completed, starting to reload now";
		3517
2348	warn "reloading cf.pm";	3518	warn "reloading cf.pm";
2349	require cf;	3519	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3520	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351		3521
2352	warn "load config and database again";	3522	warn "loading config and database again";
2353	cf::cfg_load;	3523	cf::reload_config;
2354	cf::db_load;
2355		3524
2356	warn "load extensions";	3525	warn "loading extensions";
2357	cf::load_extensions;	3526	cf::load_extensions;
2358		3527
2359	warn "reattach attachments to objects/players";	3528	warn "reattaching attachments to objects/players";
2360	_global_reattach;	3529	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3530	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3531	reattach $_ for values %MAP;
2363	};	3532	warn "reattaching attachments to players";
		3533	reattach $_ for values %PLAYER;
2364		3534
2365	if ($@) {	3535	warn "leaving sync_job";
		3536
		3537	1
		3538	} or do {
2366	warn $@;	3539	warn $@;
2367	warn "error while reloading, exiting.";	3540	warn "error while reloading, exiting.";
2368	exit 1;	3541	exit 1;
2369	}	3542	};
2370		3543
2371	warn "reloaded";	3544	warn "reloaded";
2372	};	3545	};
2373		3546
		3547	our $RELOAD_WATCHER; # used only during reload
		3548
		3549	sub reload_perl() {
		3550	# doing reload synchronously and two reloads happen back-to-back,
		3551	# coro crashes during coro_state_free->destroy here.
		3552
		3553	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3554	undef $RELOAD_WATCHER;
		3555	do_reload_perl;
		3556	};
		3557	}
		3558
2374	register_command "reload" => sub {	3559	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	3560	my ($who, $arg) = @_;
2376		3561
2377	if ($who->flag (FLAG_WIZ)) {	3562	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	3563	$who->message ("reloading server.");
		3564	async {
		3565	$Coro::current->{desc} = "perl_reload";
		3566	reload_perl;
		3567	};
2381	}	3568	}
2382	};	3569	};
2383		3570
2384	unshift @INC, $LIBDIR;	3571	unshift @INC, $LIBDIR;
2385		3572
2386	$TICK_WATCHER = Event->timer (	3573	my $bug_warning = 0;
2387	reentrant => 0,
2388	prio => 0,
2389	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,
2391	cb => sub {
2392	$NOW = Event::time;
2393		3574
		3575	our @WAIT_FOR_TICK;
		3576	our @WAIT_FOR_TICK_BEGIN;
		3577
		3578	sub wait_for_tick {
		3579	return unless $TICK_WATCHER->is_active;
		3580	return if $Coro::current == $Coro::main;
		3581
		3582	my $signal = new Coro::Signal;
		3583	push @WAIT_FOR_TICK, $signal;
		3584	$signal->wait;
		3585	}
		3586
		3587	sub wait_for_tick_begin {
		3588	return unless $TICK_WATCHER->is_active;
		3589	return if $Coro::current == $Coro::main;
		3590
		3591	my $signal = new Coro::Signal;
		3592	push @WAIT_FOR_TICK_BEGIN, $signal;
		3593	$signal->wait;
		3594	}
		3595
		3596	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
		3597	if ($Coro::current != $Coro::main) {
		3598	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3599	unless ++$bug_warning > 10;
		3600	return;
		3601	}
		3602
		3603	$NOW = $tick_start = EV::now;
		3604
2394	cf::server_tick; # one server iteration	3605	cf::server_tick; # one server iteration
		3606
2395	$RUNTIME += $TICK;	3607	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;	3608	$NEXT_TICK += $TICK;
2397		3609
2398	$WAIT_FOR_TICK->broadcast;	3610	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3611	$NEXT_RUNTIME_WRITE = $NOW + 10;
2400		3612	Coro::async_pool {
2401	# if we are delayed by four ticks or more, skip them all	3613	$Coro::current->{desc} = "runtime saver";
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2403
2404	$TICK_WATCHER->at ($NEXT_TICK);
2405	$TICK_WATCHER->start;
2406	},
2407	);
2408
2409	IO::AIO::max_poll_time $TICK * 0.2;
2410
2411	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,
2421	after => 0,
2422	interval => 10,
2423	cb => sub {
2424	(Coro::unblock_sub {
2425	write_runtime	3614	write_runtime
2426	or warn "ERROR: unable to write runtime file: $!";	3615	or warn "ERROR: unable to write runtime file: $!";
2427	})->();	3616	};
2428	},	3617	}
2429	);	3618
		3619	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3620	$sig->send;
		3621	}
		3622	while (my $sig = shift @WAIT_FOR_TICK) {
		3623	$sig->send;
		3624	}
		3625
		3626	$LOAD = ($NOW - $tick_start) / $TICK;
		3627	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3628
		3629	_post_tick;
		3630	};
		3631	$TICK_WATCHER->priority (EV::MAXPRI);
		3632
		3633	{
		3634	BDB::min_parallel 8;
		3635	BDB::max_poll_time $TICK * 0.1;
		3636	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
		3637
		3638	BDB::set_sync_prepare {
		3639	my $status;
		3640	my $current = $Coro::current;
		3641	(
		3642	sub {
		3643	$status = $!;
		3644	$current->ready; undef $current;
		3645	},
		3646	sub {
		3647	Coro::schedule while defined $current;
		3648	$! = $status;
		3649	},
		3650	)
		3651	};
		3652
		3653	unless ($DB_ENV) {
		3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3659
		3660	cf::sync_job {
		3661	eval {
		3662	BDB::db_env_open
		3663	$DB_ENV,
		3664	$BDBDIR,
		3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3667	0666;
		3668
		3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3670	};
		3671
		3672	cf::cleanup "db_env_open(db): $@" if $@;
		3673	};
		3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
		3685	}
		3686
		3687	{
		3688	IO::AIO::min_parallel 8;
		3689
		3690	undef $Coro::AIO::WATCHER;
		3691	IO::AIO::max_poll_time $TICK * 0.1;
		3692	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
		3693	}
		3694
		3695	my $_log_backtrace;
		3696
		3697	sub _log_backtrace {
		3698	my ($msg, @addr) = @_;
		3699
		3700	$msg =~ s/\n//;
		3701
		3702	# limit the # of concurrent backtraces
		3703	if ($_log_backtrace < 2) {
		3704	++$_log_backtrace;
		3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
		3708	my @bt = fork_call {
		3709	@addr = map { sprintf "%x", $_ } @addr;
		3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3712	or die "addr2line: $!";
		3713
		3714	my @funcs;
		3715	my @res = <$fh>;
		3716	chomp for @res;
		3717	while (@res) {
		3718	my ($func, $line) = splice @res, 0, 2, ();
		3719	push @funcs, "[$func] $line";
		3720	}
		3721
		3722	@funcs
		3723	};
		3724
		3725	LOG llevInfo, "[ABT] $msg\n";
		3726	LOG llevInfo, "[ABT] $_\n" for @bt;
		3727	--$_log_backtrace;
		3728	};
		3729	} else {
		3730	LOG llevInfo, "[ABT] $msg\n";
		3731	LOG llevInfo, "[ABT] [suppressed]\n";
		3732	}
		3733	}
		3734
		3735	# load additional modules
		3736	use cf::pod;
2430		3737
2431	END { cf::emergency_save }	3738	END { cf::emergency_save }
2432		3739
2433	1	3740	1
2434		3741

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