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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.407 by root, Sun Jan 13 09:53:53 2008 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use EV 1.86;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.3 ();	15	use Coro 4.32 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
19		26
		27	use JSON::XS 2.01 ();
		28	use BDB ();
20	use Data::Dumper;	29	use Data::Dumper;
21	use Digest::MD5;	30	use Digest::MD5;
22	use Fcntl;	31	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	32	use YAML::Syck ();
		33	use IO::AIO 2.51 ();
25	use Time::HiRes;	34	use Time::HiRes;
		35	use Compress::LZF;
		36	use Digest::MD5 ();
26		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	# configure various modules to our taste
28		39	#
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	40	$Storable::canonical = 1; # reduce rsync transfers
		41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74	our %RESOURCE;
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	our $NOW;	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
		87	our $DB_ENV;
51		88
52	our %CFG;	89	our %CFG;
53		90
54	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
56		94
57	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		98
65	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
68	binmode STDOUT;	106	binmode STDOUT;
69	binmode STDERR;	107	binmode STDERR;
70		108
71	# read virtual server time, if available	109	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
76	}	114	}
77		115
78	mkdir cf::localdir;	116	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		118
84	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
85		122
86	#############################################################################	123	#############################################################################
87		124
88	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
89		126
…		…
96	=item $cf::RUNTIME	133	=item $cf::RUNTIME
97		134
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	136	every server tick.
100		137
101	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		141
103	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
105		146
106	=item $cf::NOW	147	=item $cf::NOW
107		148
108	The time of the last (current) server tick.	149	The time of the last (current) server tick.
109		150
110	=item $cf::TICK	151	=item $cf::TICK
111		152
112	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
113		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
		164
114	=item %cf::CFG	165	=item %cf::CFG
115		166
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	168	from wherever your confdir points to.
118		169
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		171
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
125		181
126	=back	182	=back
127		183
128	=cut	184	=cut
129		185
130	BEGIN {	186	BEGIN {
131	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	188	my $msg = join "", @_;
133	utf8::encode $msg;
134		189
135	$msg .= "\n"	190	$msg .= "\n"
136	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
137		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		194
138	LOG llevError, $msg;	195	LOG llevError, $msg;
139	};	196	};
140	}	197	}
		198
		199	$Coro::State::DIEHOOK = sub {
		200	warn Carp::longmess $_[0];
		201	Coro::terminate;
		202	};
141		203
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	204	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	205	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	206	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	207	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	208	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		209	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	210	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		211
149	# we bless all objects into (empty) derived classes to force a method lookup	212	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	213	# within the Safe compartment.
151	for my $pkg (qw(	214	for my $pkg (qw(
152	cf::global cf::attachable	215	cf::global cf::attachable
…		…
157	)) {	220	)) {
158	no strict 'refs';	221	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	222	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	223	}
161		224
162	$Event::DIED = sub {	225	$EV::DIED = sub {
163	warn "error in event callback: @_";	226	warn "error in event callback: @_";
164	};	227	};
		228
		229	#############################################################################
165		230
166	=head2 UTILITY FUNCTIONS	231	=head2 UTILITY FUNCTIONS
167		232
168	=over 4	233	=over 4
169		234
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	253	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	254	$d
190	} || "[unable to dump $_[0]: '$@']";	255	} || "[unable to dump $_[0]: '$@']";
191	}	256	}
192		257
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	258	=item $ref = cf::decode_json $json
196		259
197	Converts a JSON string into the corresponding perl data structure.	260	Converts a JSON string into the corresponding perl data structure.
198		261
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	262	=item $json = cf::encode_json $ref
207		263
208	Converts a perl data structure into its JSON representation.	264	Converts a perl data structure into its JSON representation.
209		265
210	=cut	266	=cut
211		267
212	sub to_json($) {	268	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	269
214	JSON::Syck::Dump $_[0]	270	sub encode_json($) { $json_coder->encode ($_[0]) }
215	}	271	sub decode_json($) { $json_coder->decode ($_[0]) }
216		272
217	=item cf::lock_wait $string	273	=item cf::lock_wait $string
218		274
219	Wait until the given lock is available. See cf::lock_acquire.	275	Wait until the given lock is available. See cf::lock_acquire.
220		276
…		…
223	Wait until the given lock is available and then acquires it and returns	279	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	280	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	281	for example when the coroutine gets canceled), the lock is automatically
226	returned.	282	returned.
227		283
		284	Locks are *not* recursive, locking from the same coro twice results in a
		285	deadlocked coro.
		286
228	Lock names should begin with a unique identifier (for example, cf::map::find	287	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	288	uses map_find and cf::map::load uses map_load).
230		289
		290	=item $locked = cf::lock_active $string
		291
		292	Return true if the lock is currently active, i.e. somebody has locked it.
		293
231	=cut	294	=cut
232		295
233	our %LOCK;	296	our %LOCK;
		297	our %LOCKER;#d#
234		298
235	sub lock_wait($) {	299	sub lock_wait($) {
236	my ($key) = @_;	300	my ($key) = @_;
		301
		302	if ($LOCKER{$key} == $Coro::current) {#d#
		303	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		304	return;#d#
		305	}#d#
237		306
238	# wait for lock, if any	307	# wait for lock, if any
239	while ($LOCK{$key}) {	308	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	309	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	310	Coro::schedule;
…		…
247		316
248	# wait, to be sure we are not locked	317	# wait, to be sure we are not locked
249	lock_wait $key;	318	lock_wait $key;
250		319
251	$LOCK{$key} = [];	320	$LOCK{$key} = [];
		321	$LOCKER{$key} = $Coro::current;#d#
252		322
253	Coro::guard {	323	Coro::guard {
		324	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	325	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	326	$_->ready for @{ delete $LOCK{$key} };
256	}	327	}
257	}	328	}
258		329
		330	sub lock_active($) {
		331	my ($key) = @_;
		332
		333	! ! $LOCK{$key}
		334	}
		335
259	sub freeze_mainloop {	336	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	337	return unless $TICK_WATCHER->is_active;
261		338
262	my $guard = Coro::guard { $TICK_WATCHER->start };	339	my $guard = Coro::guard {
		340	$TICK_WATCHER->start;
		341	};
263	$TICK_WATCHER->stop;	342	$TICK_WATCHER->stop;
264	$guard	343	$guard
		344	}
		345
		346	=item cf::periodic $interval, $cb
		347
		348	Like EV::periodic, but randomly selects a starting point so that the actions
		349	get spread over timer.
		350
		351	=cut
		352
		353	sub periodic($$) {
		354	my ($interval, $cb) = @_;
		355
		356	my $start = rand List::Util::min 180, $interval;
		357
		358	EV::periodic $start, $interval, 0, $cb
		359	}
		360
		361	=item cf::get_slot $time[, $priority[, $name]]
		362
		363	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		364	This call blocks and returns only when you have at least C<$time> seconds
		365	of cpu time till the next tick. The slot is only valid till the next cede.
		366
		367	The optional C<$name> can be used to identify the job to run. It might be
		368	used for statistical purposes and should identify the same time-class.
		369
		370	Useful for short background jobs.
		371
		372	=cut
		373
		374	our @SLOT_QUEUE;
		375	our $SLOT_QUEUE;
		376
		377	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		378	$SLOT_QUEUE = Coro::async {
		379	$Coro::current->desc ("timeslot manager");
		380
		381	my $signal = new Coro::Signal;
		382
		383	while () {
		384	next_job:
		385	my $avail = cf::till_tick;
		386	if ($avail > 0.01) {
		387	for (0 .. $#SLOT_QUEUE) {
		388	if ($SLOT_QUEUE[$_][0] < $avail) {
		389	my $job = splice @SLOT_QUEUE, $_, 1, ();
		390	$job->[2]->send;
		391	Coro::cede;
		392	goto next_job;
		393	}
		394	}
		395	}
		396
		397	if (@SLOT_QUEUE) {
		398	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		399	push @cf::WAIT_FOR_TICK, $signal;
		400	$signal->wait;
		401	} else {
		402	Coro::schedule;
		403	}
		404	}
		405	};
		406
		407	sub get_slot($;$$) {
		408	my ($time, $pri, $name) = @_;
		409
		410	$time = $TICK * .6 if $time > $TICK * .6;
		411	my $sig = new Coro::Signal;
		412
		413	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		414	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		415	$SLOT_QUEUE->ready;
		416	$sig->wait;
265	}	417	}
266		418
267	=item cf::async { BLOCK }	419	=item cf::async { BLOCK }
268		420
269	Currently the same as Coro::async_pool, meaning you cannot use	421	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		426
275	BEGIN { *async = \&Coro::async_pool }	427	BEGIN { *async = \&Coro::async_pool }
276		428
277	=item cf::sync_job { BLOCK }	429	=item cf::sync_job { BLOCK }
278		430
279	The design of crossfire+ requires that the main coro ($Coro::main) is	431	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	432	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	433	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		434	acceptable.
282		435
283	If it must be done, put the blocking parts into C<sync_job>. This will run	436	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	437	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	438	server will be frozen during this time, so the block should either finish
286	fast or be very important.	439	fast or be very important.
…		…
289		442
290	sub sync_job(&) {	443	sub sync_job(&) {
291	my ($job) = @_;	444	my ($job) = @_;
292		445
293	if ($Coro::current == $Coro::main) {	446	if ($Coro::current == $Coro::main) {
		447	my $time = EV::time;
		448
294	# this is the main coro, too bad, we have to block	449	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	450	# till the operation succeeds, freezing the server :/
296		451
		452	LOG llevError, Carp::longmess "sync job";#d#
		453
297	# TODO: use suspend/resume instead	454	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	455	# (but this is cancel-safe)
299	my $freeze_guard = freeze_mainloop;	456	my $freeze_guard = freeze_mainloop;
300		457
301	my $busy = 1;	458	my $busy = 1;
302	my @res;	459	my @res;
303		460
304	(async {	461	(async {
		462	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	463	@res = eval { $job->() };
306	warn $@ if $@;	464	warn $@ if $@;
307	undef $busy;	465	undef $busy;
308	})->prio (Coro::PRIO_MAX);	466	})->prio (Coro::PRIO_MAX);
309		467
310	while ($busy) {	468	while ($busy) {
311	Coro::cede or Event::one_event;	469	if (Coro::nready) {
		470	Coro::cede_notself;
		471	} else {
		472	EV::loop EV::LOOP_ONESHOT;
312	}	473	}
		474	}
		475
		476	$time = EV::time - $time;
		477
		478	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		479	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		480
		481	$tick_start += $time; # do not account sync jobs to server load
313		482
314	wantarray ? @res : $res[0]	483	wantarray ? @res : $res[0]
315	} else {	484	} else {
316	# we are in another coroutine, how wonderful, everything just works	485	# we are in another coroutine, how wonderful, everything just works
317		486
…		…
337	$EXT_CORO{$coro+0} = $coro;	506	$EXT_CORO{$coro+0} = $coro;
338		507
339	$coro	508	$coro
340	}	509	}
341		510
342	sub write_runtime {	511	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		512
345	my $runtime = cf::localdir . "/runtime";	513	Executes the given code block with the given arguments in a seperate
		514	process, returning the results. Everything must be serialisable with
		515	Coro::Storable. May, of course, block. Note that the executed sub may
		516	never block itself or use any form of event handling.
346		517
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	518	=cut
348	or return;
349		519
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	520	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	521	my ($cb, @args) = @_;
352	and return;
353		522
354	aio_fsync $fh	523	# we seemingly have to make a local copy of the whole thing,
355	and return;	524	# otherwise perl prematurely frees the stuff :/
		525	# TODO: investigate and fix (likely this will be rather laborious)
356		526
357	close $fh	527	my @res = Coro::Util::fork_eval {
358	or return;	528	reset_signals;
		529	&$cb
		530	}, @args;
359		531
360	aio_rename "$runtime~", $runtime	532	wantarray ? @res : $res[-1]
361	and return;	533	}
362		534
		535	=item $value = cf::db_get $family => $key
		536
		537	Returns a single value from the environment database.
		538
		539	=item cf::db_put $family => $key => $value
		540
		541	Stores the given C<$value> in the family. It can currently store binary
		542	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		543
		544	=item $db = cf::db_table "name"
		545
		546	Create and/or open a new database table. The string must not be "db" and must be unique
		547	within each server.
		548
		549	=cut
		550
		551	sub db_table($) {
		552	my ($name) = @_;
		553	my $db = BDB::db_create $DB_ENV;
		554
		555	eval {
		556	$db->set_flags (BDB::CHKSUM);
		557
		558	utf8::encode $name;
		559	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		560	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		561	cf::cleanup "db_open(db): $!" if $!;
		562	};
		563	cf::cleanup "db_open(db): $@" if $@;
		564
		565	$db
		566	}
		567
		568	our $DB;
		569
		570	sub db_init {
		571	cf::sync_job {
		572	$DB ||= db_table "db";
		573	};
		574	}
		575
		576	sub db_get($$) {
		577	my $key = "$_[0]/$_[1]";
		578
		579	cf::sync_job {
		580	BDB::db_get $DB, undef, $key, my $data;
		581
		582	$! ? ()
		583	: $data
363	1	584	}
		585	}
		586
		587	sub db_put($$$) {
		588	BDB::dbreq_pri 4;
		589	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		590	}
		591
		592	=item cf::cache $id => [$paths...], $processversion => $process
		593
		594	Generic caching function that returns the value of the resource $id,
		595	caching and regenerating as required.
		596
		597	This function can block.
		598
		599	=cut
		600
		601	sub cache {
		602	my ($id, $src, $processversion, $process) = @_;
		603
		604	my $meta =
		605	join "\x00",
		606	$processversion,
		607	map {
		608	aio_stat $_
		609	and Carp::croak "$_: $!";
		610
		611	($_, (stat _)[7,9])
		612	} @$src;
		613
		614	my $dbmeta = db_get cache => "$id/meta";
		615	if ($dbmeta ne $meta) {
		616	# changed, we may need to process
		617
		618	my @data;
		619	my $md5;
		620
		621	for (0 .. $#$src) {
		622	0 <= aio_load $src->[$_], $data[$_]
		623	or Carp::croak "$src->[$_]: $!";
		624	}
		625
		626	# if processing is expensive, check
		627	# checksum first
		628	if (1) {
		629	$md5 =
		630	join "\x00",
		631	$processversion,
		632	map {
		633	cf::cede_to_tick;
		634	($src->[$_], Digest::MD5::md5_hex $data[$_])
		635	} 0.. $#$src;
		636
		637
		638	my $dbmd5 = db_get cache => "$id/md5";
		639	if ($dbmd5 eq $md5) {
		640	db_put cache => "$id/meta", $meta;
		641
		642	return db_get cache => "$id/data";
		643	}
		644	}
		645
		646	my $t1 = Time::HiRes::time;
		647	my $data = $process->(\@data);
		648	my $t2 = Time::HiRes::time;
		649
		650	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		651
		652	db_put cache => "$id/data", $data;
		653	db_put cache => "$id/md5" , $md5;
		654	db_put cache => "$id/meta", $meta;
		655
		656	return $data;
		657	}
		658
		659	db_get cache => "$id/data"
		660	}
		661
		662	=item cf::datalog type => key => value, ...
		663
		664	Log a datalog packet of the given type with the given key-value pairs.
		665
		666	=cut
		667
		668	sub datalog($@) {
		669	my ($type, %kv) = @_;
		670	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	671	}
365		672
366	=back	673	=back
367		674
368	=cut	675	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	682	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	683	to it. All such attachable objects support the following methods.
377		684
378	In the following description, CLASS can be any of C<global>, C<object>	685	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	686	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	687	Deliantra).
381		688
382	=over 4	689	=over 4
383		690
384	=item $attachable->attach ($attachment, key => $value...)	691	=item $attachable->attach ($attachment, key => $value...)
385		692
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	806	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	807	our @CB_MAP = ();
501		808
502	my %attachment;	809	my %attachment;
503		810
		811	sub cf::attachable::thawer_merge {
		812	# simply override everything except _meta
		813	local $_[0]{_meta};
		814	%{$_[0]} = %{$_[1]};
		815	}
		816
504	sub _attach_cb($$$$) {	817	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	818	my ($registry, $event, $prio, $cb) = @_;
506		819
507	use sort 'stable';	820	use sort 'stable';
508		821
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	855	$registry = $CB_TYPE[$object_type] ||= [];
543		856
544	} elsif ($type eq "subtype") {	857	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	858	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	859	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	860	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		861
549	} elsif ($type eq "package") {	862	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	863	my $pkg = shift @arg;
551		864
552	while (my ($name, $id) = each %cb_id) {	865	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	894	_attach $registry, $klass, @attach;
582	}	895	}
583		896
584	$obj->{$name} = \%arg;	897	$obj->{$name} = \%arg;
585	} else {	898	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	899	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	900	}
588		901
589	$obj->{_attachment}{$name} = undef;	902	$obj->{_attachment}{$name} = undef;
590	}	903	}
591		904
…		…
593	if (ref $_[0]) {	906	if (ref $_[0]) {
594	_object_attach @_;	907	_object_attach @_;
595	} else {	908	} else {
596	_attach shift->_attach_registry, @_;	909	_attach shift->_attach_registry, @_;
597	}	910	}
		911	_recalc_want;
598	};	912	};
599		913
600	# all those should be optimised	914	# all those should be optimised
601	sub cf::attachable::detach {	915	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	916	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	919	delete $obj->{_attachment}{$name};
606	reattach ($obj);	920	reattach ($obj);
607	} else {	921	} else {
608	Carp::croak "cannot, currently, detach class attachments";	922	Carp::croak "cannot, currently, detach class attachments";
609	}	923	}
		924	_recalc_want;
610	};	925	};
611		926
612	sub cf::attachable::attached {	927	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	928	my ($obj, $name) = @_;
614		929
…		…
629	";	944	";
630	die if $@;	945	die if $@;
631	}	946	}
632		947
633	our $override;	948	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	949	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		950
636	sub override {	951	sub override {
637	$override = 1;	952	$override = 1;
638	@invoke_results = ();	953	@INVOKE_RESULTS = (@_);
639	}	954	}
640		955
641	sub do_invoke {	956	sub do_invoke {
642	my $event = shift;	957	my $event = shift;
643	my $callbacks = shift;	958	my $callbacks = shift;
644		959
645	@invoke_results = ();	960	@INVOKE_RESULTS = ();
646		961
647	local $override;	962	local $override;
648		963
649	for (@$callbacks) {	964	for (@$callbacks) {
650	eval { &{$_->[1]} };	965	eval { &{$_->[1]} };
…		…
659	}	974	}
660		975
661	0	976	0
662	}	977	}
663		978
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	979	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		980
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	981	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		982
668	Generate an object-specific event with the given arguments.	983	Generate an object-specific event with the given arguments.
669		984
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	985	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	986	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	987	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		988
674	=back	989	=back
675		990
676	=cut	991	=cut
677		992
678	#############################################################################	993	#############################################################################
679	# object support	994	# object support
		995
		996	sub _object_equal($$);
		997	sub _object_equal($$) {
		998	my ($a, $b) = @_;
		999
		1000	return 0 unless (ref $a) eq (ref $b);
		1001
		1002	if ("HASH" eq ref $a) {
		1003	my @ka = keys %$a;
		1004	my @kb = keys %$b;
		1005
		1006	return 0 if @ka != @kb;
		1007
		1008	for (0 .. $#ka) {
		1009	return 0 unless $ka[$_] eq $kb[$_];
		1010	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1011	}
		1012
		1013	} elsif ("ARRAY" eq ref $a) {
		1014
		1015	return 0 if @$a != @$b;
		1016
		1017	for (0 .. $#$a) {
		1018	return 0 unless _object_equal $a->[$_], $b->[$_];
		1019	}
		1020
		1021	} elsif ($a ne $b) {
		1022	return 0;
		1023	}
		1024
		1025	1
		1026	}
		1027
		1028	our $SLOW_MERGES;#d#
		1029	sub _can_merge {
		1030	my ($ob1, $ob2) = @_;
		1031
		1032	++$SLOW_MERGES;#d#
		1033
		1034	# we do the slow way here
		1035	return _object_equal $ob1, $ob2
		1036	}
680		1037
681	sub reattach {	1038	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1039	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1040	my ($obj) = @_;
		1041
		1042	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1043
685	my $registry = $obj->registry;	1044	my $registry = $obj->registry;
686		1045
687	@$registry = ();	1046	@$registry = ();
688		1047
…		…
703	cf::attachable->attach (	1062	cf::attachable->attach (
704	prio => -1000000,	1063	prio => -1000000,
705	on_instantiate => sub {	1064	on_instantiate => sub {
706	my ($obj, $data) = @_;	1065	my ($obj, $data) = @_;
707		1066
708	$data = from_json $data;	1067	$data = decode_json $data;
709		1068
710	for (@$data) {	1069	for (@$data) {
711	my ($name, $args) = @$_;	1070	my ($name, $args) = @$_;
712		1071
713	$obj->attach ($name, %{$args || {} });	1072	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1088	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1089	my ($filename, $rdata, $objs) = @_;
731		1090
732	sync_job {	1091	sync_job {
733	if (length $$rdata) {	1092	if (length $$rdata) {
		1093	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1094	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1095	$decname, length $$rdata, scalar @$objs;
736		1096
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1099	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1100	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1101	close $fh;
742		1102
743	if (@$objs) {	1103	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1106	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1107	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1108	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1109	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1110	aio_rename "$filename.pst~", "$filename.pst";
751	}	1111	}
752	} else {	1112	} else {
753	aio_unlink "$filename.pst";	1113	aio_unlink "$filename.pst";
…		…
759	}	1119	}
760	} else {	1120	} else {
761	aio_unlink $filename;	1121	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1122	aio_unlink "$filename.pst";
763	}	1123	}
764	}	1124	};
765	}	1125	}
766		1126
767	sub object_freezer_as_string {	1127	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1128	my ($rdata, $objs) = @_;
769		1129
…		…
781	or return;	1141	or return;
782		1142
783	unless (aio_stat "$filename.pst") {	1143	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1144	(aio_load "$filename.pst", $av) >= 0
785	or return;	1145	or return;
		1146
786	$av = eval { (Storable::thaw $av)->{objs} };	1147	my $st = eval { Coro::Storable::thaw $av };
		1148	$av = $st->{objs};
787	}	1149	}
788		1150
		1151	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1152	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1153	$decname, length $data, scalar @{$av || []};
		1154
791	return ($data, $av);	1155	($data, $av)
792	}	1156	}
		1157
		1158	=head2 COMMAND CALLBACKS
		1159
		1160	=over 4
		1161
		1162	=cut
793		1163
794	#############################################################################	1164	#############################################################################
795	# command handling &c	1165	# command handling &c
796		1166
797	=item cf::register_command $name => \&callback($ob,$args);	1167	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1180	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1181	}
812		1182
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1183	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1184
815	Register a callbackf ro execution when the client sends an extcmd packet.	1185	Register a callback for execution when the client sends an (synchronous)
		1186	extcmd packet. Ext commands will be processed in the order they are
		1187	received by the server, like other user commands. The first argument is
		1188	the logged-in player. Ext commands can only be processed after a player
		1189	has logged in successfully.
816		1190
817	If the callback returns something, it is sent back as if reply was being	1191	If the callback returns something, it is sent back as if reply was being
818	called.	1192	called.
819		1193
		1194	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1195
		1196	Register a callback for execution when the client sends an (asynchronous)
		1197	exticmd packet. Exti commands are processed by the server as soon as they
		1198	are received, i.e. out of order w.r.t. other commands. The first argument
		1199	is a client socket. Exti commands can be received anytime, even before
		1200	log-in.
		1201
		1202	If the callback returns something, it is sent back as if reply was being
		1203	called.
		1204
820	=cut	1205	=cut
821		1206
822	sub register_extcmd {	1207	sub register_extcmd {
823	my ($name, $cb) = @_;	1208	my ($name, $cb) = @_;
824		1209
825	$EXTCMD{$name} = $cb;	1210	$EXTCMD{$name} = $cb;
		1211	}
		1212
		1213	sub register_exticmd {
		1214	my ($name, $cb) = @_;
		1215
		1216	$EXTICMD{$name} = $cb;
826	}	1217	}
827		1218
828	cf::player->attach (	1219	cf::player->attach (
829	on_command => sub {	1220	on_command => sub {
830	my ($pl, $name, $params) = @_;	1221	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1230	cf::override;
840	},	1231	},
841	on_extcmd => sub {	1232	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1233	my ($pl, $buf) = @_;
843		1234
844	my $msg = eval { from_json $buf };	1235	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1236
846	if (ref $msg) {	1237	if (ref $msg) {
		1238	my ($type, $reply, @payload) =
		1239	"ARRAY" eq ref $msg
		1240	? @$msg
		1241	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1242
		1243	my @reply;
		1244
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1245	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1246	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1247	}
		1248
		1249	$pl->ext_reply ($reply, @reply)
		1250	if $reply;
		1251
852	} else {	1252	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1253	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1254	}
855		1255
856	cf::override;	1256	cf::override;
857	},	1257	},
858	);	1258	);
859		1259
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1260	sub load_extensions {
		1261	cf::sync_job {
		1262	my %todo;
		1263
895	for my $ext (<$LIBDIR/*.ext>) {	1264	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1265	next unless -r $path;
897	eval {	1266
898	load_extension $ext;	1267	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1268	my $base = $1;
		1269	my $pkg = $1;
		1270	$pkg =~ s/[^[:word:]]/_/g;
		1271	$pkg = "ext::$pkg";
		1272
		1273	open my $fh, "<:utf8", $path
		1274	or die "$path: $!";
		1275
		1276	my $source = do { local $/; <$fh> };
		1277
		1278	my %ext = (
		1279	path => $path,
		1280	base => $base,
		1281	pkg => $pkg,
		1282	);
		1283
		1284	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1285	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1286
		1287	$ext{source} =
		1288	"package $pkg; use strict; use utf8;\n"
		1289	. "#line 1 \"$path\"\n{\n"
		1290	. $source
		1291	. "\n};\n1";
		1292
		1293	$todo{$base} = \%ext;
		1294	}
		1295
		1296	my %done;
		1297	while (%todo) {
		1298	my $progress;
		1299
		1300	while (my ($k, $v) = each %todo) {
		1301	for (split /,\s*/, $v->{meta}{depends}) {
		1302	goto skip
		1303	unless exists $done{$_};
		1304	}
		1305
		1306	warn "... loading '$k' into '$v->{pkg}'\n";
		1307
		1308	unless (eval $v->{source}) {
		1309	my $msg = $@ ? "$v->{path}: $@\n"
		1310	: "$v->{base}: extension inactive.\n";
		1311
		1312	if (exists $v->{meta}{mandatory}) {
		1313	warn $msg;
		1314	warn "mandatory extension failed to load, exiting.\n";
		1315	exit 1;
		1316	}
		1317
		1318	warn $msg;
		1319	}
		1320
		1321	$done{$k} = delete $todo{$k};
		1322	push @EXTS, $v->{pkg};
		1323	$progress = 1;
899	1	1324	}
900	} or warn "$ext not loaded: $@";	1325
		1326	skip:
		1327	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1328	unless $progress;
		1329	}
901	}	1330	};
902	}	1331	}
903		1332
904	#############################################################################	1333	#############################################################################
905	# load/save/clean perl data associated with a map
906		1334
907	*cf::mapsupport::on_clean = sub {	1335	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1336
920	=head2 CORE EXTENSIONS	1337	=head2 CORE EXTENSIONS
921		1338
922	Functions and methods that extend core crossfire objects.	1339	Functions and methods that extend core crossfire objects.
923		1340
…		…
929		1346
930	=head3 cf::player	1347	=head3 cf::player
931		1348
932	=over 4	1349	=over 4
933		1350
		1351	=item cf::player::num_playing
		1352
		1353	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1354
		1355	=cut
		1356
		1357	sub num_playing {
		1358	scalar grep
		1359	$_->ob->map
		1360	&& !$_->hidden
		1361	&& !$_->ob->flag (cf::FLAG_WIZ),
		1362	cf::player::list
		1363	}
		1364
934	=item cf::player::find $login	1365	=item cf::player::find $login
935		1366
936	Returns the given player object, loading it if necessary (might block).	1367	Returns the given player object, loading it if necessary (might block).
937		1368
938	=cut	1369	=cut
939		1370
940	sub playerdir($) {	1371	sub playerdir($) {
941	cf::localdir	1372	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1373	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1374	}
947		1375
948	sub path($) {	1376	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1377	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1378
951	(playerdir $login) . "/$login.pl"	1379	(playerdir $login) . "/playerdata"
952	}	1380	}
953		1381
954	sub find_active($) {	1382	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1383	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1384	and $cf::PLAYER{$_[0]}->active
…		…
959		1387
960	sub exists($) {	1388	sub exists($) {
961	my ($login) = @_;	1389	my ($login) = @_;
962		1390
963	$cf::PLAYER{$login}	1391	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1392	or cf::sync_job { !aio_stat path $login }
965	}	1393	}
966		1394
967	sub find($) {	1395	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1396	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1397	my $login = $_[0];
970		1398
971	my $guard = cf::lock_acquire "user_find:$login";	1399	my $guard = cf::lock_acquire "user_find:$login";
972		1400
973	$cf::PLAYER{$_[0]} || do {	1401	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1402	# rename old playerfiles to new ones
		1403	#TODO: remove when no longer required
		1404	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1405	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1406	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1407	aio_unlink +(playerdir $login) . "/$login.pl";
		1408
		1409	my $f = new_from_file cf::object::thawer path $login
975	or return;	1410	or return;
		1411
		1412	my $pl = cf::player::load_pl $f
		1413	or return;
		1414	local $cf::PLAYER_LOADING{$login} = $pl;
		1415	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1416	$cf::PLAYER{$login} = $pl
977	}	1417	}
978	}	1418	}
979	}	1419	}
980		1420
…		…
990		1430
991	aio_mkdir playerdir $pl, 0770;	1431	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1432	$pl->{last_save} = $cf::RUNTIME;
993		1433
994	$pl->save_pl ($path);	1434	$pl->save_pl ($path);
995	Coro::cede;	1435	cf::cede_to_tick;
996	}	1436	}
997		1437
998	sub new($) {	1438	sub new($) {
999	my ($login) = @_;	1439	my ($login) = @_;
1000		1440
…		…
1006	$cf::PLAYER{$login} = $self;	1446	$cf::PLAYER{$login} = $self;
1007		1447
1008	$self	1448	$self
1009	}	1449	}
1010		1450
		1451	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1452
		1453	=cut
		1454
		1455	sub send_msg {
		1456	my $ns = shift->ns
		1457	or return;
		1458	$ns->send_msg (@_);
		1459	}
		1460
1011	=item $pl->quit_character	1461	=item $pl->quit_character
1012		1462
1013	Nukes the player without looking back. If logged in, the connection will	1463	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1464	be destroyed. May block for a long time.
1015		1465
1016	=cut	1466	=cut
1017		1467
1018	sub quit_character {	1468	sub quit_character {
1019	my ($pl) = @_;	1469	my ($pl) = @_;
		1470
		1471	my $name = $pl->ob->name;
1020		1472
1021	$pl->{deny_save} = 1;	1473	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1474	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1475
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1476	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1481	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1482	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1483	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1484	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1485	$pl->destroy;
		1486
		1487	my $prefix = qr<^~\Q$name\E/>;
		1488
		1489	# nuke player maps
		1490	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1491
1034	IO::AIO::aio_rmtree $temp;	1492	IO::AIO::aio_rmtree $temp;
		1493	}
		1494
		1495	=item $pl->kick
		1496
		1497	Kicks a player out of the game. This destroys the connection.
		1498
		1499	=cut
		1500
		1501	sub kick {
		1502	my ($pl, $kicker) = @_;
		1503
		1504	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1505	$pl->killer ("kicked");
		1506	$pl->ns->destroy;
1035	}	1507	}
1036		1508
1037	=item cf::player::list_logins	1509	=item cf::player::list_logins
1038		1510
1039	Returns am arrayref of all valid playernames in the system, can take a	1511	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1512	while and may block, so not sync_job-capable, ever.
1041		1513
1042	=cut	1514	=cut
1043		1515
1044	sub list_logins {	1516	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1517	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1518	or return [];
1047		1519
1048	my @logins;	1520	my @logins;
1049		1521
1050	for my $login (@$dirs) {	1522	for my $login (@$dirs) {
		1523	my $path = path $login;
		1524
		1525	# a .pst is a dead give-away for a valid player
		1526	unless (-e "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1527	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1528	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1529	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1530	}
1054		1531
1055	utf8::decode $login;	1532	utf8::decode $login;
1056	push @logins, $login;	1533	push @logins, $login;
1057	}	1534	}
1058		1535
…		…
1066		1543
1067	=cut	1544	=cut
1068		1545
1069	sub maps($) {	1546	sub maps($) {
1070	my ($pl) = @_;	1547	my ($pl) = @_;
		1548
		1549	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1550
1072	my $files = aio_readdir playerdir $pl	1551	my $files = aio_readdir playerdir $pl
1073	or return;	1552	or return;
1074		1553
1075	my @paths;	1554	my @paths;
…		…
1077	for (@$files) {	1556	for (@$files) {
1078	utf8::decode $_;	1557	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1558	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1559	next unless /^$PATH_SEP/o;
1081		1560
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1561	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1562	}
1084		1563
1085	\@paths	1564	\@paths
1086	}	1565	}
1087		1566
		1567	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1568
		1569	Expand crossfire pod fragments into protocol xml.
		1570
		1571	=cut
		1572
		1573	use re 'eval';
		1574
		1575	my $group;
		1576	my $interior; $interior = qr{
		1577	# match a pod interior sequence sans C<< >>
		1578	(?:
		1579	\ (.*?)\ (?{ $group = $^N })
		1580	| < (??{$interior}) >
		1581	)
		1582	}x;
		1583
		1584	sub expand_cfpod {
		1585	my ($self, $pod) = @_;
		1586
		1587	my $xml;
		1588
		1589	while () {
		1590	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1591	$group = $1;
		1592
		1593	$group =~ s/&/&amp;/g;
		1594	$group =~ s/</&lt;/g;
		1595
		1596	$xml .= $group;
		1597	} elsif ($pod =~ m%\G
		1598	([BCGHITU])
		1599	<
		1600	(?:
		1601	([^<>]*) (?{ $group = $^N })
		1602	| < $interior >
		1603	)
		1604	>
		1605	%gcsx
		1606	) {
		1607	my ($code, $data) = ($1, $group);
		1608
		1609	if ($code eq "B") {
		1610	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1611	} elsif ($code eq "I") {
		1612	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1613	} elsif ($code eq "U") {
		1614	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1615	} elsif ($code eq "C") {
		1616	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1617	} elsif ($code eq "T") {
		1618	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1619	} elsif ($code eq "G") {
		1620	my ($male, $female) = split /\|/, $data;
		1621	$data = $self->gender ? $female : $male;
		1622	$xml .= expand_cfpod ($self, $data);
		1623	} elsif ($code eq "H") {
		1624	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1625	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1626	"")
		1627	[$self->{hintmode}];
		1628	} else {
		1629	$xml .= "error processing '$code($data)' directive";
		1630	}
		1631	} else {
		1632	if ($pod =~ /\G(.+)/) {
		1633	warn "parse error while expanding $pod (at $1)";
		1634	}
		1635	last;
		1636	}
		1637	}
		1638
		1639	for ($xml) {
		1640	# create single paragraphs (very hackish)
		1641	s/(?<=\S)\n(?=\w)/ /g;
		1642
		1643	# compress some whitespace
		1644	s/\s+\n/\n/g; # ws line-ends
		1645	s/\n\n+/\n/g; # double lines
		1646	s/^\n+//; # beginning lines
		1647	s/\n+$//; # ending lines
		1648	}
		1649
		1650	$xml
		1651	}
		1652
		1653	no re 'eval';
		1654
		1655	sub hintmode {
		1656	$_[0]{hintmode} = $_[1] if @_ > 1;
		1657	$_[0]{hintmode}
		1658	}
		1659
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1089		1661
1090	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1091		1663
1092	=cut	1664	=cut
1093		1665
1094	sub ext_reply($$$%) {	1666	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1096		1668
1097	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1670	}
1101		1671
1102	package cf;	1672	=item $player->ext_msg ($type, @msg)
		1673
		1674	Sends an ext event to the client.
		1675
		1676	=cut
		1677
		1678	sub ext_msg($$@) {
		1679	my ($self, $type, @msg) = @_;
		1680
		1681	$self->ns->ext_msg ($type, @msg);
		1682	}
		1683
		1684	=head3 cf::region
		1685
		1686	=over 4
		1687
		1688	=cut
		1689
		1690	package cf::region;
		1691
		1692	=item cf::region::find_by_path $path
		1693
		1694	Tries to decuce the likely region for a map knowing only its path.
		1695
		1696	=cut
		1697
		1698	sub find_by_path($) {
		1699	my ($path) = @_;
		1700
		1701	my ($match, $specificity);
		1702
		1703	for my $region (list) {
		1704	if ($region->{match} && $path =~ $region->{match}) {
		1705	($match, $specificity) = ($region, $region->specificity)
		1706	if $region->specificity > $specificity;
		1707	}
		1708	}
		1709
		1710	$match
		1711	}
1103		1712
1104	=back	1713	=back
1105
1106		1714
1107	=head3 cf::map	1715	=head3 cf::map
1108		1716
1109	=over 4	1717	=over 4
1110		1718
…		…
1114		1722
1115	use Fcntl;	1723	use Fcntl;
1116	use Coro::AIO;	1724	use Coro::AIO;
1117		1725
1118	use overload	1726	use overload
1119	'""' => \&as_string;	1727	'""' => \&as_string,
		1728	fallback => 1;
1120		1729
1121	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1123		1732
1124	sub generate_random_map {	1733	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1734	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1735	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1736	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1746	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1747	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1748	)
1141	}	1749	}
1142		1750
		1751	=item cf::map->register ($regex, $prio)
		1752
		1753	Register a handler for the map path matching the given regex at the
		1754	givne priority (higher is better, built-in handlers have priority 0, the
		1755	default).
		1756
		1757	=cut
		1758
1143	sub register {	1759	sub register {
1144	my (undef, $regex) = @_;	1760	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1761	my $pkg = caller;
1146		1762
1147	no strict;	1763	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1764	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1765
1150	$EXT_MAP{$pkg} = qr<$regex>;	1766	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1767	}
1152		1768
1153	# also paths starting with '/'	1769	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1770	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1771
		1772	sub thawer_merge {
		1773	my ($self, $merge) = @_;
		1774
		1775	# we have to keep some variables in memory intact
		1776	local $self->{path};
		1777	local $self->{load_path};
		1778
		1779	$self->SUPER::thawer_merge ($merge);
		1780	}
1155		1781
1156	sub normalise {	1782	sub normalise {
1157	my ($path, $base) = @_;	1783	my ($path, $base) = @_;
		1784
		1785	$path = "$path"; # make sure its a string
		1786
		1787	$path =~ s/\.map$//;
1158		1788
1159	# map plan:	1789	# map plan:
1160	#	1790	#
1161	# /! non-realised random map exit (special hack!)	1791	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1792	# {... are special paths that are not being touched
…		…
1190		1820
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1821	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1822
1193	$path = normalise $path, $base;	1823	$path = normalise $path, $base;
1194		1824
1195	for my $pkg (keys %EXT_MAP) {	1825	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1826	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1827	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1828	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1829	$self->init; # pass $1 etc.
1200	return $self;	1830	return $self;
1201	}	1831	}
1202	}	1832	}
1203		1833
1204	Carp::carp "unable to resolve path '$path'.";	1834	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1835	()
1206	}	1836	}
1207		1837
1208	sub init {	1838	sub init {
1209	my ($self) = @_;	1839	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1850	# the displayed name, this is a one way mapping
1221	sub visible_name {	1851	sub visible_name {
1222	&as_string	1852	&as_string
1223	}	1853	}
1224		1854
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1855	# the original (read-only) location
1233	sub load_path {	1856	sub load_path {
1234	my ($self) = @_;	1857	my ($self) = @_;
1235		1858
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1859	"$MAPDIR/$self->{path}.map"
1237	}	1860	}
1238		1861
1239	# the temporary/swap location	1862	# the temporary/swap location
1240	sub save_path {	1863	sub save_path {
1241	my ($self) = @_;	1864	my ($self) = @_;
1242		1865
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1867	"$TMPDIR/$path.map"
1244	}	1868	}
1245		1869
1246	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1247	sub uniq_path {	1871	sub uniq_path {
1248	my ($self) = @_;	1872	my ($self) = @_;
1249		1873
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1875	"$UNIQUEDIR/$path"
1251	}	1876	}
1252		1877
1253	# and all this just because we cannot iterate over	1878	# and all this just because we cannot iterate over
1254	# all maps in C++...	1879	# all maps in C++...
1255	sub change_all_map_light {	1880	sub change_all_map_light {
…		…
1257		1882
1258	$_->change_map_light ($change)	1883	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1884	for grep $_->outdoor, values %cf::MAP;
1260	}	1885	}
1261		1886
		1887	sub decay_objects {
		1888	my ($self) = @_;
		1889
		1890	return if $self->{deny_reset};
		1891
		1892	$self->do_decay_objects;
		1893	}
		1894
1262	sub unlink_save {	1895	sub unlink_save {
1263	my ($self) = @_;	1896	my ($self) = @_;
1264		1897
1265	utf8::encode (my $save = $self->save_path);	1898	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1899	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1900	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1901	}
1269		1902
1270	sub load_header_from($) {	1903	sub load_header_from($) {
1271	my ($self, $path) = @_;	1904	my ($self, $path) = @_;
1272		1905
1273	utf8::encode $path;	1906	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1907	my $f = new_from_file cf::object::thawer $path
1275	or return;	1908	or return;
1276		1909
1277	$self->_load_header ($path)	1910	$self->_load_header ($f)
1278	or return;	1911	or return;
1279		1912
		1913	local $MAP_LOADING{$self->{path}} = $self;
		1914	$f->resolve_delayed_derefs;
		1915
1280	$self->{load_path} = $path;	1916	$self->{load_path} = $path;
1281		1917
1282	1	1918	1
1283	}	1919	}
1284		1920
1285	sub load_orig {	1921	sub load_header_orig {
1286	my ($self) = @_;	1922	my ($self) = @_;
1287		1923
1288	$self->load_header_from ($self->load_path)	1924	$self->load_header_from ($self->load_path)
1289	}	1925	}
1290		1926
1291	sub load_temp {	1927	sub load_header_temp {
1292	my ($self) = @_;	1928	my ($self) = @_;
1293		1929
1294	$self->load_header_from ($self->save_path)	1930	$self->load_header_from ($self->save_path)
		1931	}
		1932
		1933	sub prepare_temp {
		1934	my ($self) = @_;
		1935
		1936	$self->last_access ((delete $self->{last_access})
		1937	|| $cf::RUNTIME); #d#
		1938	# safety
		1939	$self->{instantiate_time} = $cf::RUNTIME
		1940	if $self->{instantiate_time} > $cf::RUNTIME;
		1941	}
		1942
		1943	sub prepare_orig {
		1944	my ($self) = @_;
		1945
		1946	$self->{load_original} = 1;
		1947	$self->{instantiate_time} = $cf::RUNTIME;
		1948	$self->last_access ($cf::RUNTIME);
		1949	$self->instantiate;
1295	}	1950	}
1296		1951
1297	sub load_header {	1952	sub load_header {
1298	my ($self) = @_;	1953	my ($self) = @_;
1299		1954
1300	if ($self->load_temp) {	1955	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1956	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1957	} else {
1307	$self->load_orig	1958	$self->load_header_orig
1308	or return;	1959	or return;
1309		1960	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1961	}
		1962
		1963	$self->{deny_reset} = 1
		1964	if $self->no_reset;
		1965
		1966	$self->default_region (cf::region::find_by_path $self->{path})
		1967	unless $self->default_region;
1315		1968
1316	1	1969	1
1317	}	1970	}
1318		1971
1319	sub find;	1972	sub find;
1320	sub find {	1973	sub find {
1321	my ($path, $origin) = @_;	1974	my ($path, $origin) = @_;
1322		1975
1323	$path = normalise $path, $origin && $origin->path;	1976	$path = normalise $path, $origin && $origin->path;
1324		1977
		1978	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	1979	cf::lock_wait "map_find:$path";
1326		1980
1327	$cf::MAP{$path} || do {	1981	$cf::MAP{$path} || do {
1328	my $guard = cf::lock_acquire "map_find:$path";	1982	my $guard1 = cf::lock_acquire "map_find:$path";
		1983	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1984
1329	my $map = new_from_path cf::map $path	1985	my $map = new_from_path cf::map $path
1330	or return;	1986	or return;
1331		1987
1332	$map->{last_save} = $cf::RUNTIME;	1988	$map->{last_save} = $cf::RUNTIME;
1333		1989
1334	$map->load_header	1990	$map->load_header
1335	or return;	1991	or return;
1336		1992
1337	if ($map->should_reset) {	1993	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1994	# doing this can freeze the server in a sync job, obviously
		1995	#$cf::WAIT_FOR_TICK->wait;
		1996	undef $guard1;
		1997	undef $guard2;
1338	$map->reset;	1998	$map->reset;
1339	undef $guard;
1340	$map = find $path	1999	return find $path;
1341	or return;
1342	}	2000	}
1343		2001
1344	$cf::MAP{$path} = $map	2002	$cf::MAP{$path} = $map
1345	}	2003	}
1346	}	2004	}
		2005
		2006	sub pre_load { }
		2007	sub post_load { }
1347		2008
1348	sub load {	2009	sub load {
1349	my ($self) = @_;	2010	my ($self) = @_;
1350		2011
		2012	local $self->{deny_reset} = 1; # loading can take a long time
		2013
1351	my $path = $self->{path};	2014	my $path = $self->{path};
		2015
		2016	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2017	my $guard = cf::lock_acquire "map_data:$path";
1353		2018
		2019	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2020	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		2021
1356	$self->in_memory (cf::MAP_LOADING);	2022	$self->in_memory (cf::MAP_LOADING);
1357		2023
1358	$self->alloc;	2024	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	2025
		2026	$self->pre_load;
		2027	cf::cede_to_tick;
		2028
		2029	my $f = new_from_file cf::object::thawer $self->{load_path};
		2030	$f->skip_block;
		2031	$self->_load_objects ($f)
1360	or return;	2032	or return;
1361		2033
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2034	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	2035	if delete $self->{load_original};
1364		2036
1365	if (my $uniq = $self->uniq_path) {	2037	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2038	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2039	unless (aio_stat $uniq) {
		2040	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2041	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2042	$self->_load_objects ($f);
		2043	$f->resolve_delayed_derefs;
		2044	}
1370	}	2045	}
1371	}	2046	}
1372		2047
1373	Coro::cede;	2048	$f->resolve_delayed_derefs;
1374		2049
		2050	cf::cede_to_tick;
1375	# now do the right thing for maps	2051	# now do the right thing for maps
1376	$self->link_multipart_objects;	2052	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2053	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2054	unless $self->difficulty;
1386	Coro::cede;	2055	cf::cede_to_tick;
		2056
		2057	unless ($self->{deny_activate}) {
		2058	$self->decay_objects;
		2059	$self->fix_auto_apply;
		2060	$self->update_buttons;
		2061	cf::cede_to_tick;
		2062	$self->set_darkness_map;
		2063	cf::cede_to_tick;
1387	$self->activate;	2064	$self->activate;
1388	}	2065	}
1389		2066
		2067	$self->{last_save} = $cf::RUNTIME;
		2068	$self->last_access ($cf::RUNTIME);
		2069
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2070	$self->in_memory (cf::MAP_IN_MEMORY);
		2071	}
		2072
		2073	$self->post_load;
1391	}	2074	}
1392		2075
1393	sub customise_for {	2076	sub customise_for {
1394	my ($self, $ob) = @_;	2077	my ($self, $ob) = @_;
1395		2078
1396	return find "~" . $ob->name . "/" . $self->{path}	2079	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2080	if $self->per_player;
1398		2081
		2082	# return find "?party/" . $ob->name . "/" . $self->{path}
		2083	# if $self->per_party;
		2084
1399	$self	2085	$self
1400	}	2086	}
1401		2087
1402	# find and load all maps in the 3x3 area around a map	2088	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2089	sub load_neighbours {
1404	my ($map) = @_;	2090	my ($map) = @_;
1405		2091
1406	my @diag; # diagonal neighbours	2092	my @neigh; # diagonal neighbours
1407		2093
1408	for (0 .. 3) {	2094	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2095	my $neigh = $map->tile_path ($_)
1410	or next;	2096	or next;
1411	$neigh = find $neigh, $map	2097	$neigh = find $neigh, $map
1412	or next;	2098	or next;
1413	$neigh->load;	2099	$neigh->load;
1414		2100
		2101	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2102	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2103	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2104	}
1418		2105
1419	for (@diag) {	2106	for (grep defined $_->[0], @neigh) {
		2107	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2108	my $neigh = find $path, $origin
1421	or next;	2109	or next;
1422	$neigh->load;	2110	$neigh->load;
1423	}	2111	}
1424	}	2112	}
1425		2113
…		…
1430	}	2118	}
1431		2119
1432	sub do_load_sync {	2120	sub do_load_sync {
1433	my ($map) = @_;	2121	my ($map) = @_;
1434		2122
		2123	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2124	if $Coro::current == $Coro::main;
		2125
1435	cf::sync_job { $map->load };	2126	cf::sync_job { $map->load };
1436	}	2127	}
1437		2128
1438	our %MAP_PREFETCH;	2129	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2130	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2131
1452	sub find_async {	2132	sub find_async {
1453	my ($path, $origin) = @_;	2133	my ($path, $origin, $load) = @_;
1454		2134
1455	$path = normalise $path, $origin && $origin->{path};	2135	$path = normalise $path, $origin && $origin->{path};
1456		2136
1457	if (my $map = $cf::MAP{$path}) {	2137	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2138	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2139	}
		2140
		2141	$MAP_PREFETCH{$path} |= $load;
		2142
		2143	$MAP_PREFETCHER ||= cf::async {
		2144	$Coro::current->{desc} = "map prefetcher";
		2145
		2146	while (%MAP_PREFETCH) {
		2147	while (my ($k, $v) = each %MAP_PREFETCH) {
		2148	if (my $map = find $k) {
		2149	$map->load if $v;
		2150	}
		2151
		2152	delete $MAP_PREFETCH{$k};
		2153	}
		2154	}
		2155	undef $MAP_PREFETCHER;
1459	}	2156	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2157	$MAP_PREFETCHER->prio (6);
1463		2158
1464	()	2159	()
1465	}	2160	}
1466		2161
1467	sub save {	2162	sub save {
1468	my ($self) = @_;	2163	my ($self) = @_;
1469		2164
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2166
1472	$self->{last_save} = $cf::RUNTIME;	2167	$self->{last_save} = $cf::RUNTIME;
1473		2168
1474	return unless $self->dirty;	2169	return unless $self->dirty;
1475		2170
…		…
1481	return if $self->{deny_save};	2176	return if $self->{deny_save};
1482		2177
1483	local $self->{last_access} = $self->last_access;#d#	2178	local $self->{last_access} = $self->last_access;#d#
1484		2179
1485	cf::async {	2180	cf::async {
		2181	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2182	$_->contr->save for $self->players;
1487	};	2183	};
1488		2184
1489	if ($uniq) {	2185	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1498	my ($self) = @_;	2194	my ($self) = @_;
1499		2195
1500	# save first because save cedes	2196	# save first because save cedes
1501	$self->save;	2197	$self->save;
1502		2198
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2199	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2200
1505	return if $self->players;	2201	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2202	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};	2203	return if $self->{deny_save};
1508		2204
		2205	$self->in_memory (cf::MAP_SWAPPED);
		2206
		2207	$self->deactivate;
		2208	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2209	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2210	}
1512		2211
1513	sub reset_at {	2212	sub reset_at {
1514	my ($self) = @_;	2213	my ($self) = @_;
1515		2214
1516	# TODO: safety, remove and allow resettable per-player maps	2215	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2216	return 1e99 if $self->{deny_reset};
1519		2217
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2218	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2219	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2220
…		…
1527	my ($self) = @_;	2225	my ($self) = @_;
1528		2226
1529	$self->reset_at <= $cf::RUNTIME	2227	$self->reset_at <= $cf::RUNTIME
1530	}	2228	}
1531		2229
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2230	sub reset {
1547	my ($self) = @_;	2231	my ($self) = @_;
1548		2232
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2233	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2234
1551	return if $self->players;	2235	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2236
1554	warn "resetting map ", $self->path;#d#	2237	warn "resetting map ", $self->path;
		2238
		2239	$self->in_memory (cf::MAP_SWAPPED);
		2240
		2241	# need to save uniques path
		2242	unless ($self->{deny_save}) {
		2243	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2244
		2245	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2246	if $uniq;
		2247	}
1555		2248
1556	delete $cf::MAP{$self->path};	2249	delete $cf::MAP{$self->path};
1557		2250
		2251	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2252	$_->clear_links_to ($self) for values %cf::MAP;
		2253	$self->clear;
1559		2254
1560	$self->unlink_save;	2255	$self->unlink_save;
1561	$self->destroy;	2256	$self->destroy;
1562	}	2257	}
1563		2258
1564	my $nuke_counter = "aaaa";	2259	my $nuke_counter = "aaaa";
1565		2260
1566	sub nuke {	2261	sub nuke {
1567	my ($self) = @_;	2262	my ($self) = @_;
1568		2263
		2264	{
		2265	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2266
		2267	delete $cf::MAP{$self->path};
		2268
		2269	$self->unlink_save;
		2270
		2271	bless $self, "cf::map";
		2272	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2273	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2274	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2275	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2276
		2277	$cf::MAP{$self->path} = $self;
		2278	}
		2279
1572	$self->reset; # polite request, might not happen	2280	$self->reset; # polite request, might not happen
		2281	}
		2282
		2283	=item $maps = cf::map::tmp_maps
		2284
		2285	Returns an arrayref with all map paths of currently instantiated and saved
		2286	maps. May block.
		2287
		2288	=cut
		2289
		2290	sub tmp_maps() {
		2291	[
		2292	map {
		2293	utf8::decode $_;
		2294	/\.map$/
		2295	? normalise $_
		2296	: ()
		2297	} @{ aio_readdir $TMPDIR or [] }
		2298	]
		2299	}
		2300
		2301	=item $maps = cf::map::random_maps
		2302
		2303	Returns an arrayref with all map paths of currently instantiated and saved
		2304	random maps. May block.
		2305
		2306	=cut
		2307
		2308	sub random_maps() {
		2309	[
		2310	map {
		2311	utf8::decode $_;
		2312	/\.map$/
		2313	? normalise "?random/$_"
		2314	: ()
		2315	} @{ aio_readdir $RANDOMDIR or [] }
		2316	]
1573	}	2317	}
1574		2318
1575	=item cf::map::unique_maps	2319	=item cf::map::unique_maps
1576		2320
1577	Returns an arrayref of paths of all shared maps that have	2321	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2322	instantiated unique items. May block.
1579		2323
1580	=cut	2324	=cut
1581		2325
1582	sub unique_maps() {	2326	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2327	[
1584	or return;	2328	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2329	utf8::decode $_;
1590	next if /\.pst$/;	2330	/\.map$/
1591	next unless /^$PATH_SEP/o;	2331	? normalise $_
1592		2332	: ()
1593	push @paths, $_;	2333	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2334	]
1595
1596	\@paths
1597	}	2335	}
1598		2336
1599	package cf;	2337	package cf;
1600		2338
1601	=back	2339	=back
…		…
1619	map { $_, inv_recursive_ $_->inv } @_	2357	map { $_, inv_recursive_ $_->inv } @_
1620	}	2358	}
1621		2359
1622	sub inv_recursive {	2360	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2361	inv_recursive_ inv $_[0]
		2362	}
		2363
		2364	=item $ref = $ob->ref
		2365
		2366	creates and returns a persistent reference to an objetc that can be stored as a string.
		2367
		2368	=item $ob = cf::object::deref ($refstring)
		2369
		2370	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2371	even if the object actually exists. May block.
		2372
		2373	=cut
		2374
		2375	sub deref {
		2376	my ($ref) = @_;
		2377
		2378	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2379	my ($uuid, $name) = ($1, $2);
		2380	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2381	or return;
		2382	$pl->ob->uuid eq $uuid
		2383	or return;
		2384
		2385	$pl->ob
		2386	} else {
		2387	warn "$ref: cannot resolve object reference\n";
		2388	undef
		2389	}
1624	}	2390	}
1625		2391
1626	package cf;	2392	package cf;
1627		2393
1628	=back	2394	=back
…		…
1647		2413
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2414	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2415
1650	if ($self->{record_replies}) {	2416	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2417	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2418
1652	} else {	2419	} else {
		2420	my $pl = $self->contr;
		2421
		2422	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2423	my $dialog = $pl->{npc_dialog};
		2424	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2425
		2426	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2427	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2428	$self->message ($msg, $flags);
		2429	}
1655	}	2430	}
		2431	}
		2432
		2433	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2434
		2435	=cut
		2436
		2437	sub cf::object::send_msg {
		2438	my $pl = shift->contr
		2439	or return;
		2440	$pl->send_msg (@_);
1656	}	2441	}
1657		2442
1658	=item $player_object->may ("access")	2443	=item $player_object->may ("access")
1659		2444
1660	Returns wether the given player is authorized to access resource "access"	2445	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2477	=cut
1693		2478
1694	sub link_map {	2479	sub link_map {
1695	unless ($LINK_MAP) {	2480	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2481	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2482	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2483	$LINK_MAP->load;
1699	}	2484	}
1700		2485
1701	$LINK_MAP	2486	$LINK_MAP
1702	}	2487	}
…		…
1707	$self->deactivate_recursive;	2492	$self->deactivate_recursive;
1708		2493
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2494	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2495
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2496	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2497	if $self->map && $self->map->{path} ne "{link}";
1713		2498
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2499	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2500	}
1716		2501
1717	sub cf::object::player::leave_link {	2502	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2503	my ($self, $map, $x, $y) = @_;
		2504
		2505	return unless $self->contr->active;
1719		2506
1720	my $link_pos = delete $self->{_link_pos};	2507	my $link_pos = delete $self->{_link_pos};
1721		2508
1722	unless ($map) {	2509	unless ($map) {
1723	# restore original map position	2510	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2524	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2525	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2526	if $x <=0 && $y <= 0;
1740		2527
1741	$map->load;	2528	$map->load;
1742	$map->load_diag;	2529	$map->load_neighbours;
1743		2530
1744	return unless $self->contr->active;	2531	return unless $self->contr->active;
1745	$self->activate_recursive;	2532	$self->activate_recursive;
		2533
		2534	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2535	$self->enter_map ($map, $x, $y);
1747	}	2536	}
1748		2537
1749	cf::player->attach (	2538	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2539
1753	# abort map switching before logout	2540	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2541	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2542	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2543	the new (success) or old (failed) map position. In either case, $done will
1757	};	2544	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2545
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2546	=cut
		2547
		2548	our $GOTOGEN;
1784		2549
1785	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2551	my ($self, $path, $x, $y, $check, $done) = @_;
		2552
		2553	# do generation counting so two concurrent goto's will be executed in-order
		2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2555
1788	$self->enter_link;	2556	$self->enter_link;
1789		2557
1790	(async {	2558	(async {
1791	my $map = cf::map::find $path;	2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
		2580	my $map = eval {
		2581	my $map = defined $path ? cf::map::find $path : undef;
		2582
		2583	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2584	$map = $map->customise_for ($self);
1793		2585	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2586	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	}
1798		2589
		2590	$map
		2591	};
		2592
		2593	if ($@) {
		2594	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	LOG llevError | logBacktrace, Carp::longmess $@;
		2596	}
		2597
		2598	if ($gen == $self->{_goto_generation}) {
		2599	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
		2601	}
		2602
		2603	$done->() if $done;
1800	})->prio (1);	2604	})->prio (1);
1801	}	2605	}
1802		2606
1803	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
1804		2608
…		…
1806		2610
1807	sub parse_random_map_params {	2611	sub parse_random_map_params {
1808	my ($spec) = @_;	2612	my ($spec) = @_;
1809		2613
1810	my $rmp = { # defaults	2614	my $rmp = { # defaults
1811	xsize => 10,	2615	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2616	ysize => (cf::rndm 15, 40),
		2617	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2618	#layout => string,
1813	};	2619	};
1814		2620
1815	for (split /\n/, $spec) {	2621	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2622	my ($k, $v) = split /\s+/, $_, 2;
1817		2623
…		…
1821	$rmp	2627	$rmp
1822	}	2628	}
1823		2629
1824	sub prepare_random_map {	2630	sub prepare_random_map {
1825	my ($exit) = @_;	2631	my ($exit) = @_;
		2632
		2633	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2634
1827	# all this does is basically replace the /! path by	2635	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2636	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2637	# that depends on the exit object
1830		2638
1831	my $rmp = parse_random_map_params $exit->msg;	2639	my $rmp = parse_random_map_params $exit->msg;
1832		2640
1833	if ($exit->map) {	2641	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2642	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2643	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2644	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2645	$rmp->{origin_y} = $exit->y;
1838	}	2646	}
1839		2647
1840	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
1841		2649
1842	my $data = cf::to_json $rmp;	2650	my $data = cf::encode_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
		2652	my $meta = "$RANDOMDIR/$md5.meta";
1844		2653
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
		2656	undef $fh;
		2657	aio_rename "$meta~", $meta;
1847		2658
1848	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2660	$exit->msg (undef);
1850	}	2661	}
1851	}	2662	}
…		…
1853	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
1855		2666
1856	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
1857		2668
		2669	if ($exit->slaying eq "/!") {
		2670	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2671	# the problem is that $exit might not survive long enough
		2672	# so it needs to be done right now, right here
		2673	cf::sync_job { prepare_random_map $exit };
		2674	}
		2675
		2676	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2677	my $hp = $exit->stats->hp;
		2678	my $sp = $exit->stats->sp;
		2679
1858	$self->enter_link;	2680	$self->enter_link;
1859		2681
		2682	# if exit is damned, update players death & WoR home-position
		2683	$self->contr->savebed ($slaying, $hp, $sp)
		2684	if $exit->flag (FLAG_DAMNED);
		2685
1860	(async {	2686	(async {
		2687	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2688
1861	$self->deactivate_recursive; # just to be sure	2689	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2690	unless (eval {
1863	prepare_random_map $exit	2691	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2692
1869	1;	2693	1;
1870	}) {	2694	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2695	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2696	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2697	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2698	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2699
1876	warn "ERROR in enter_exit: $@";	2700	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2701	$self->leave_link;
1878	}	2702	}
1879	})->prio (1);	2703	})->prio (1);
…		…
1892		2716
1893	sub cf::client::send_drawinfo {	2717	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2718	my ($self, $text, $flags) = @_;
1895		2719
1896	utf8::encode $text;	2720	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2721	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2722	}
1899		2723
		2724	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2725
		2726	Send a drawinfo or msg packet to the client, formatting the msg for the
		2727	client if neccessary. C<$type> should be a string identifying the type of
		2728	the message, with C<log> being the default. If C<$color> is negative, suppress
		2729	the message unless the client supports the msg packet.
		2730
		2731	=cut
		2732
		2733	# non-persistent channels (usually the info channel)
		2734	our %CHANNEL = (
		2735	"c/identify" => {
		2736	id => "infobox",
		2737	title => "Identify",
		2738	reply => undef,
		2739	tooltip => "Items recently identified",
		2740	},
		2741	"c/examine" => {
		2742	id => "infobox",
		2743	title => "Examine",
		2744	reply => undef,
		2745	tooltip => "Signs and other items you examined",
		2746	},
		2747	"c/book" => {
		2748	id => "infobox",
		2749	title => "Book",
		2750	reply => undef,
		2751	tooltip => "The contents of a note or book",
		2752	},
		2753	"c/lookat" => {
		2754	id => "infobox",
		2755	title => "Look",
		2756	reply => undef,
		2757	tooltip => "What you saw there",
		2758	},
		2759	"c/who" => {
		2760	id => "infobox",
		2761	title => "Players",
		2762	reply => undef,
		2763	tooltip => "Shows players who are currently online",
		2764	},
		2765	"c/body" => {
		2766	id => "infobox",
		2767	title => "Body Parts",
		2768	reply => undef,
		2769	tooltip => "Shows which body parts you posess and are available",
		2770	},
		2771	"c/uptime" => {
		2772	id => "infobox",
		2773	title => "Uptime",
		2774	reply => undef,
		2775	tooltip => "How long the server has been running since last restart",
		2776	},
		2777	"c/mapinfo" => {
		2778	id => "infobox",
		2779	title => "Map Info",
		2780	reply => undef,
		2781	tooltip => "Information related to the maps",
		2782	},
		2783	);
		2784
		2785	sub cf::client::send_msg {
		2786	my ($self, $channel, $msg, $color, @extra) = @_;
		2787
		2788	$msg = $self->pl->expand_cfpod ($msg);
		2789
		2790	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2791
		2792	# check predefined channels, for the benefit of C
		2793	if ($CHANNEL{$channel}) {
		2794	$channel = $CHANNEL{$channel};
		2795
		2796	$self->ext_msg (channel_info => $channel)
		2797	if $self->can_msg;
		2798
		2799	$channel = $channel->{id};
		2800
		2801	} elsif (ref $channel) {
		2802	# send meta info to client, if not yet sent
		2803	unless (exists $self->{channel}{$channel->{id}}) {
		2804	$self->{channel}{$channel->{id}} = $channel;
		2805	$self->ext_msg (channel_info => $channel)
		2806	if $self->can_msg;
		2807	}
		2808
		2809	$channel = $channel->{id};
		2810	}
		2811
		2812	return unless @extra || length $msg;
		2813
		2814	if ($self->can_msg) {
		2815	# default colour, mask it out
		2816	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2817	if $color & cf::NDI_DEF;
		2818
		2819	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2820	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2821	} else {
		2822	if ($color >= 0) {
		2823	# replace some tags by gcfclient-compatible ones
		2824	for ($msg) {
		2825	1 while
		2826	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2827	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2828	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2829	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2830	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2831	}
		2832
		2833	$color &= cf::NDI_COLOR_MASK;
		2834
		2835	utf8::encode $msg;
		2836
		2837	if (0 && $msg =~ /\[/) {
		2838	# COMMAND/INFO
		2839	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2840	} else {
		2841	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2842	$self->send_packet ("drawinfo $color $msg")
		2843	}
		2844	}
		2845	}
		2846	}
		2847
		2848	=item $client->ext_msg ($type, @msg)
		2849
		2850	Sends an ext event to the client.
		2851
		2852	=cut
		2853
		2854	sub cf::client::ext_msg($$@) {
		2855	my ($self, $type, @msg) = @_;
		2856
		2857	if ($self->extcmd == 2) {
		2858	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2859	} elsif ($self->extcmd == 1) { # TODO: remove
		2860	push @msg, msgtype => "event_$type";
		2861	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2862	}
		2863	}
		2864
		2865	=item $client->ext_reply ($msgid, @msg)
		2866
		2867	Sends an ext reply to the client.
		2868
		2869	=cut
		2870
		2871	sub cf::client::ext_reply($$@) {
		2872	my ($self, $id, @msg) = @_;
		2873
		2874	if ($self->extcmd == 2) {
		2875	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2876	} elsif ($self->extcmd == 1) {
		2877	#TODO: version 1, remove
		2878	unshift @msg, msgtype => "reply", msgid => $id;
		2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2880	}
		2881	}
1900		2882
1901	=item $success = $client->query ($flags, "text", \&cb)	2883	=item $success = $client->query ($flags, "text", \&cb)
1902		2884
1903	Queues a query to the client, calling the given callback with	2885	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2886	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2887	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2888
1907	Queries can fail, so check the return code. Or don't, as queries will become	2889	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2890	become reliable at some point in the future.
1909		2891
1910	=cut	2892	=cut
1911		2893
1912	sub cf::client::query {	2894	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2895	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2903	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2904	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2905
1924	$self->send_packet ($self->{query_queue}[0][0])	2906	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2907	if @{ $self->{query_queue} } == 1;
		2908
		2909	1
1926	}	2910	}
1927		2911
1928	cf::client->attach (	2912	cf::client->attach (
		2913	on_connect => sub {
		2914	my ($ns) = @_;
		2915
		2916	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2917	},
1929	on_reply => sub {	2918	on_reply => sub {
1930	my ($ns, $msg) = @_;	2919	my ($ns, $msg) = @_;
1931		2920
1932	# this weird shuffling is so that direct followup queries	2921	# this weird shuffling is so that direct followup queries
1933	# get handled first	2922	# get handled first
1934	my $queue = delete $ns->{query_queue}	2923	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2924	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2925
1937	(shift @$queue)->[1]->($msg);	2926	(shift @$queue)->[1]->($msg);
		2927	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2928
1939	push @{ $ns->{query_queue} }, @$queue;	2929	push @{ $ns->{query_queue} }, @$queue;
1940		2930
1941	if (@{ $ns->{query_queue} } == @$queue) {	2931	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2932	if (@$queue) {
…		…
1944	} else {	2934	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2936	}
1947	}	2937	}
1948	},	2938	},
		2939	on_exticmd => sub {
		2940	my ($ns, $buf) = @_;
		2941
		2942	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2943
		2944	if (ref $msg) {
		2945	my ($type, $reply, @payload) =
		2946	"ARRAY" eq ref $msg
		2947	? @$msg
		2948	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2949
		2950	my @reply;
		2951
		2952	if (my $cb = $EXTICMD{$type}) {
		2953	@reply = $cb->($ns, @payload);
		2954	}
		2955
		2956	$ns->ext_reply ($reply, @reply)
		2957	if $reply;
		2958
		2959	} else {
		2960	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2961	}
		2962
		2963	cf::override;
		2964	},
1949	);	2965	);
1950		2966
1951	=item $client->async (\&cb)	2967	=item $client->async (\&cb)
1952		2968
1953	Create a new coroutine, running the specified callback. The coroutine will	2969	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	3010	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3011	our $safe_hole = new Safe::Hole;
1996		3012
1997	$SIG{FPE} = 'IGNORE';	3013	$SIG{FPE} = 'IGNORE';
1998		3014
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3015	$safe->permit_only (Opcode::opset qw(
		3016	:base_core :base_mem :base_orig :base_math
		3017	grepstart grepwhile mapstart mapwhile
		3018	sort time
		3019	));
2000		3020
2001	# here we export the classes and methods available to script code	3021	# here we export the classes and methods available to script code
2002		3022
2003	=pod	3023	=pod
2004		3024
2005	The following fucntions and emthods are available within a safe environment:	3025	The following functions and methods are available within a safe environment:
2006		3026
2007	cf::object contr pay_amount pay_player map	3027	cf::object
		3028	contr pay_amount pay_player map x y force_find force_add destroy
		3029	insert remove name archname title slaying race decrease_ob_nr
		3030
2008	cf::object::player player	3031	cf::object::player
2009	cf::player peaceful	3032	player
2010	cf::map trigger	3033
		3034	cf::player
		3035	peaceful
		3036
		3037	cf::map
		3038	trigger
2011		3039
2012	=cut	3040	=cut
2013		3041
2014	for (	3042	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3043	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3044	insert remove inv name archname title slaying race
		3045	decrease_ob_nr destroy)],
2016	["cf::object::player" => qw(player)],	3046	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3047	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	3048	["cf::map" => qw(trigger)],
2019	) {	3049	) {
2020	no strict 'refs';	3050	no strict 'refs';
…		…
2091	=back	3121	=back
2092		3122
2093	=cut	3123	=cut
2094		3124
2095	#############################################################################	3125	#############################################################################
		3126	# the server's init and main functions
2096		3127
2097	=head2 EXTENSION DATABASE SUPPORT	3128	sub load_facedata($) {
		3129	my ($path) = @_;
2098		3130
2099	Crossfire maintains a very simple database for extension use. It can	3131	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3132	# for this (global event?)
2101	excludes objects.	3133	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3134
2103	The parameter C<$family> should best start with the name of the extension	3135	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3136
2106	=over 4	3137	warn "loading facedata from $path\n";
2107		3138
2108	=item $hashref = cf::db_get $family	3139	my $facedata;
		3140	0 < aio_load $path, $facedata
		3141	or die "$path: $!";
2109		3142
2110	Return a hashref for use by the extension C<$family>, which can be	3143	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3144
2114	=item $value = cf::db_get $family => $key	3145	$facedata->{version} == 2
		3146	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3147
2116	Returns a single value from the database	3148	# patch in the exptable
2117		3149	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3150	type => FT_RSRC,
2119		3151	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3152	};
		3153	cf::cede_to_tick;
2169		3154
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3155	{
		3156	my $faces = $facedata->{faceinfo};
2174		3157
2175	sub db_get($;$) {	3158	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3159	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		3160
2181	sub db_put($$;$) {	3161	cf::face::set_visibility $idx, $info->{visibility};
2182	if (@_ >= 3) {	3162	cf::face::set_magicmap $idx, $info->{magicmap};
2183	$DB->{$_[0]}{$_[1]} = $_[2];	3163	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2184	} else {	3164	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189		3165
2190	cf::global->attach (	3166	cf::cede_to_tick;
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3167	}
2195	);
2196	}
2197		3168
2198	#############################################################################	3169	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3170	next unless $info->{smooth};
2200		3171
2201	sub cfg_load {	3172	my $idx = cf::face::find $face
		3173	or next;
		3174
		3175	if (my $smooth = cf::face::find $info->{smooth}) {
		3176	cf::face::set_smooth $idx, $smooth;
		3177	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3178	} else {
		3179	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3180	}
		3181
		3182	cf::cede_to_tick;
		3183	}
		3184	}
		3185
		3186	{
		3187	my $anims = $facedata->{animinfo};
		3188
		3189	while (my ($anim, $info) = each %$anims) {
		3190	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3191	cf::cede_to_tick;
		3192	}
		3193
		3194	cf::anim::invalidate_all; # d'oh
		3195	}
		3196
		3197	{
		3198	# TODO: for gcfclient pleasure, we should give resources
		3199	# that gcfclient doesn't grok a >10000 face index.
		3200	my $res = $facedata->{resource};
		3201
		3202	while (my ($name, $info) = each %$res) {
		3203	if (defined $info->{type}) {
		3204	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3205	my $data;
		3206
		3207	if ($info->{type} & 1) {
		3208	# prepend meta info
		3209
		3210	my $meta = $enc->encode ({
		3211	name => $name,
		3212	%{ $info->{meta} || {} },
		3213	});
		3214
		3215	$data = pack "(w/a*)*", $meta, $info->{data};
		3216	} else {
		3217	$data = $info->{data};
		3218	}
		3219
		3220	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3221	cf::face::set_type $idx, $info->{type};
		3222	} else {
		3223	$RESOURCE{$name} = $info;
		3224	}
		3225
		3226	cf::cede_to_tick;
		3227	}
		3228	}
		3229
		3230	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3231
		3232	1
		3233	}
		3234
		3235	cf::global->attach (on_resource_update => sub {
		3236	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3237	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3238
		3239	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3240	my $sound = $soundconf->{compat}[$_]
		3241	or next;
		3242
		3243	my $face = cf::face::find "sound/$sound->[1]";
		3244	cf::sound::set $sound->[0] => $face;
		3245	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3246	}
		3247
		3248	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3249	my $face = cf::face::find "sound/$v";
		3250	cf::sound::set $k => $face;
		3251	}
		3252	}
		3253	});
		3254
		3255	register_exticmd fx_want => sub {
		3256	my ($ns, $want) = @_;
		3257
		3258	while (my ($k, $v) = each %$want) {
		3259	$ns->fx_want ($k, $v);
		3260	}
		3261	};
		3262
		3263	sub reload_regions {
		3264	# HACK to clear player env face cache, we need some signal framework
		3265	# for this (global event?)
		3266	%ext::player_env::MUSIC_FACE_CACHE = ();
		3267
		3268	load_resource_file "$MAPDIR/regions"
		3269	or die "unable to load regions file\n";
		3270
		3271	for (cf::region::list) {
		3272	$_->{match} = qr/$_->{match}/
		3273	if exists $_->{match};
		3274	}
		3275	}
		3276
		3277	sub reload_facedata {
		3278	load_facedata "$DATADIR/facedata"
		3279	or die "unable to load facedata\n";
		3280	}
		3281
		3282	sub reload_archetypes {
		3283	load_resource_file "$DATADIR/archetypes"
		3284	or die "unable to load archetypes\n";
		3285	#d# NEED to laod twice to resolve forward references
		3286	# this really needs to be done in an extra post-pass
		3287	# (which needs to be synchronous, so solve it differently)
		3288	load_resource_file "$DATADIR/archetypes"
		3289	or die "unable to load archetypes\n";
		3290	}
		3291
		3292	sub reload_treasures {
		3293	load_resource_file "$DATADIR/treasures"
		3294	or die "unable to load treasurelists\n";
		3295	}
		3296
		3297	sub reload_resources {
		3298	warn "reloading resource files...\n";
		3299
		3300	reload_regions;
		3301	reload_facedata;
		3302	#reload_archetypes;#d#
		3303	reload_archetypes;
		3304	reload_treasures;
		3305
		3306	warn "finished reloading resource files\n";
		3307	}
		3308
		3309	sub init {
		3310	reload_resources;
		3311	}
		3312
		3313	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3314	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3315	or return;
2204		3316
2205	local $/;	3317	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3318	*CFG = YAML::Syck::Load <$fh>;
2207		3319
…		…
2221		3333
2222	sub main {	3334	sub main {
2223	# we must not ever block the main coroutine	3335	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3336	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2226	async { Event::one_event };	3338	(async {
		3339	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3340	EV::loop EV::LOOP_ONESHOT;
		3341	})->prio (Coro::PRIO_MAX);
2227	};	3342	};
2228		3343
2229	cfg_load;	3344	reload_config;
2230	db_load;	3345	db_init;
2231	load_extensions;	3346	load_extensions;
		3347
		3348	$TICK_WATCHER->start;
		3349	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2232	Event::loop;	3350	EV::loop;
2233	}	3351	}
2234		3352
2235	#############################################################################	3353	#############################################################################
2236	# initialisation and cleanup	3354	# initialisation and cleanup
2237		3355
2238	# install some emergency cleanup handlers	3356	# install some emergency cleanup handlers
2239	BEGIN {	3357	BEGIN {
		3358	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3359	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3360	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3361	cf::cleanup "SIG$signal";
2246	},
2247	);	3362	};
		3363	}
		3364	}
		3365
		3366	sub write_runtime {
		3367	my $runtime = "$LOCALDIR/runtime";
		3368
		3369	# first touch the runtime file to show we are still running:
		3370	# the fsync below can take a very very long time.
		3371
		3372	IO::AIO::aio_utime $runtime, undef, undef;
		3373
		3374	my $guard = cf::lock_acquire "write_runtime";
		3375
		3376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3377	or return;
		3378
		3379	my $value = $cf::RUNTIME + 90 + 10;
		3380	# 10 is the runtime save interval, for a monotonic clock
		3381	# 60 allows for the watchdog to kill the server.
		3382
		3383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3384	and return;
		3385
		3386	# always fsync - this file is important
		3387	aio_fsync $fh
		3388	and return;
		3389
		3390	# touch it again to show we are up-to-date
		3391	aio_utime $fh, undef, undef;
		3392
		3393	close $fh
		3394	or return;
		3395
		3396	aio_rename "$runtime~", $runtime
		3397	and return;
		3398
		3399	warn "runtime file written.\n";
		3400
2248	}	3401	1
2249	}	3402	}
2250		3403
2251	sub emergency_save() {	3404	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3405	my $freeze_guard = cf::freeze_mainloop;
2253		3406
2254	warn "enter emergency perl save\n";	3407	warn "enter emergency perl save\n";
2255		3408
2256	cf::sync_job {	3409	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3410	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3411	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3412	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3413	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3414	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3415	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3416	$pl->valid or next;
		3417	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3418	$pl->save;
2265	}	3419	}
2266	warn "end emergency player save\n";	3420	warn "end emergency player save\n";
2267		3421
2268	warn "begin emergency map save\n";	3422	warn "begin emergency map save\n";
…		…
2270	my $map = $cf::MAP{$path} or next;	3424	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3425	$map->valid or next;
2272	$map->save;	3426	$map->save;
2273	}	3427	}
2274	warn "end emergency map save\n";	3428	warn "end emergency map save\n";
		3429
		3430	warn "begin emergency database checkpoint\n";
		3431	BDB::db_env_txn_checkpoint $DB_ENV;
		3432	warn "end emergency database checkpoint\n";
2275	};	3433	};
2276		3434
2277	warn "leave emergency perl save\n";	3435	warn "leave emergency perl save\n";
2278	}	3436	}
2279		3437
		3438	sub post_cleanup {
		3439	my ($make_core) = @_;
		3440
		3441	warn Carp::longmess "post_cleanup backtrace"
		3442	if $make_core;
		3443	}
		3444
2280	sub reload() {	3445	sub do_reload_perl() {
2281	# can/must only be called in main	3446	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3447	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3448	warn "can only reload from main coroutine";
2284	return;	3449	return;
2285	}	3450	}
2286		3451
2287	warn "reloading...";	3452	warn "reloading...";
2288		3453
2289	warn "freezing server";	3454	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3455
		3456	cf::sync_job {
		3457	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	3458	cf::emergency_save;
		3459	cf::write_runtime; # external watchdog should not bark
2292		3460
2293	warn "sync database to disk";	3461	warn "syncing database to disk";
2294	cf::db_sync;	3462	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3463
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3464	# if anything goes wrong in here, we should simply crash as we already saved
2299		3465
2300	warn "cancel all watchers";	3466	warn "flushing outstanding aio requests";
2301	for (Event::all_watchers) {	3467	for (;;) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3468	BDB::flush;
		3469	IO::AIO::flush;
		3470	Coro::cede_notself;
		3471	last unless IO::AIO::nreqs || BDB::nreqs;
		3472	warn "iterate...";
2303	}	3473	}
2304		3474
		3475	++$RELOAD;
		3476
2305	warn "cancel all extension coros";	3477	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3478	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3479	%EXT_CORO = ();
2308		3480
2309	warn "remove commands";	3481	warn "removing commands";
2310	%COMMAND = ();	3482	%COMMAND = ();
2311		3483
2312	warn "remove ext commands";	3484	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3485	%EXTCMD = ();
		3486	%EXTICMD = ();
2314		3487
2315	warn "unload/nuke all extensions";	3488	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3489	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3490	warn "... unloading $pkg";
2318		3491
2319	if (my $cb = $pkg->can ("unload")) {	3492	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3493	eval {
…		…
2325		3498
2326	warn "... nuking $pkg";	3499	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3500	Symbol::delete_package $pkg;
2328	}	3501	}
2329		3502
2330	warn "unload all perl modules loaded from $LIBDIR";	3503	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3504	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3505	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3506
2334	warn "removing <$k>";	3507	warn "... unloading $k";
2335	delete $INC{$k};	3508	delete $INC{$k};
2336		3509
2337	$k =~ s/\.pm$//;	3510	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3511	$k =~ s/\//::/g;
2339		3512
…		…
2342	}	3515	}
2343		3516
2344	Symbol::delete_package $k;	3517	Symbol::delete_package $k;
2345	}	3518	}
2346		3519
2347	warn "get rid of safe::, as good as possible";	3520	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3521	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3522	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3523
2351	warn "unload cf.pm \"a bit\"";	3524	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3525	delete $INC{"cf.pm"};
		3526	delete $INC{"cf/pod.pm"};
2353		3527
2354	# don't, removes xs symbols, too,	3528	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3529	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3530	#Symbol::delete_package __PACKAGE__;
2357		3531
		3532	warn "unload completed, starting to reload now";
		3533
2358	warn "reloading cf.pm";	3534	warn "reloading cf.pm";
2359	require cf;	3535	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3536	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3537
2362	warn "load config and database again";	3538	warn "loading config and database again";
2363	cf::cfg_load;	3539	cf::reload_config;
2364	cf::db_load;
2365		3540
2366	warn "load extensions";	3541	warn "loading extensions";
2367	cf::load_extensions;	3542	cf::load_extensions;
2368		3543
2369	warn "reattach attachments to objects/players";	3544	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3545	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3546	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3547	reattach $_ for values %MAP;
2373	};	3548	warn "reattaching attachments to players";
		3549	reattach $_ for values %PLAYER;
2374		3550
2375	if ($@) {	3551	warn "leaving sync_job";
		3552
		3553	1
		3554	} or do {
2376	warn $@;	3555	warn $@;
2377	warn "error while reloading, exiting.";	3556	warn "error while reloading, exiting.";
2378	exit 1;	3557	exit 1;
2379	}	3558	};
2380		3559
2381	warn "reloaded";	3560	warn "reloaded";
2382	};	3561	};
2383		3562
		3563	our $RELOAD_WATCHER; # used only during reload
		3564
		3565	sub reload_perl() {
		3566	# doing reload synchronously and two reloads happen back-to-back,
		3567	# coro crashes during coro_state_free->destroy here.
		3568
		3569	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3570	undef $RELOAD_WATCHER;
		3571	do_reload_perl;
		3572	};
		3573	}
		3574
2384	register_command "reload" => sub {	3575	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3576	my ($who, $arg) = @_;
2386		3577
2387	if ($who->flag (FLAG_WIZ)) {	3578	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3579	$who->message ("reloading server.");
		3580	async {
		3581	$Coro::current->{desc} = "perl_reload";
		3582	reload_perl;
		3583	};
2391	}	3584	}
2392	};	3585	};
2393		3586
2394	unshift @INC, $LIBDIR;	3587	unshift @INC, $LIBDIR;
2395		3588
2396	$TICK_WATCHER = Event->timer (	3589	my $bug_warning = 0;
2397	reentrant => 0,
2398	prio => 0,
2399	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,
2401	cb => sub {
2402	$NOW = Event::time;
2403		3590
		3591	our @WAIT_FOR_TICK;
		3592	our @WAIT_FOR_TICK_BEGIN;
		3593
		3594	sub wait_for_tick {
		3595	return unless $TICK_WATCHER->is_active;
		3596	return if $Coro::current == $Coro::main;
		3597
		3598	my $signal = new Coro::Signal;
		3599	push @WAIT_FOR_TICK, $signal;
		3600	$signal->wait;
		3601	}
		3602
		3603	sub wait_for_tick_begin {
		3604	return unless $TICK_WATCHER->is_active;
		3605	return if $Coro::current == $Coro::main;
		3606
		3607	my $signal = new Coro::Signal;
		3608	push @WAIT_FOR_TICK_BEGIN, $signal;
		3609	$signal->wait;
		3610	}
		3611
		3612	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
		3613	if ($Coro::current != $Coro::main) {
		3614	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3615	unless ++$bug_warning > 10;
		3616	return;
		3617	}
		3618
		3619	$NOW = $tick_start = EV::now;
		3620
2404	cf::server_tick; # one server iteration	3621	cf::server_tick; # one server iteration
		3622
2405	$RUNTIME += $TICK;	3623	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3624	$NEXT_TICK = $_[0]->at;
2407		3625
2408	$WAIT_FOR_TICK->broadcast;	3626	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3627	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2410		3628	Coro::async_pool {
2411	# if we are delayed by four ticks or more, skip them all	3629	$Coro::current->{desc} = "runtime saver";
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2413
2414	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;
2416	},
2417	);
2418
2419	IO::AIO::max_poll_time $TICK * 0.2;
2420
2421	Event->io (
2422	fd => IO::AIO::poll_fileno,
2423	poll => 'r',
2424	prio => 5,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,
2431	after => 0,
2432	interval => 10,
2433	cb => sub {
2434	(Coro::unblock_sub {
2435	write_runtime	3630	write_runtime
2436	or warn "ERROR: unable to write runtime file: $!";	3631	or warn "ERROR: unable to write runtime file: $!";
2437	})->();	3632	};
2438	},	3633	}
2439	);	3634
		3635	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3636	$sig->send;
		3637	}
		3638	while (my $sig = shift @WAIT_FOR_TICK) {
		3639	$sig->send;
		3640	}
		3641
		3642	$LOAD = ($NOW - $tick_start) / $TICK;
		3643	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3644
		3645	_post_tick;
		3646	};
		3647	$TICK_WATCHER->priority (EV::MAXPRI);
		3648
		3649	{
		3650	# configure BDB
		3651
		3652	BDB::min_parallel 8;
		3653	BDB::max_poll_reqs $TICK * 0.1;
		3654	$Coro::BDB::WATCHER->priority (1);
		3655
		3656	unless ($DB_ENV) {
		3657	$DB_ENV = BDB::db_env_create;
		3658	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3659	| BDB::LOG_AUTOREMOVE, 1);
		3660	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3661	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3662
		3663	cf::sync_job {
		3664	eval {
		3665	BDB::db_env_open
		3666	$DB_ENV,
		3667	$BDBDIR,
		3668	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3669	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3670	0666;
		3671
		3672	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3673	};
		3674
		3675	cf::cleanup "db_env_open(db): $@" if $@;
		3676	};
		3677	}
		3678
		3679	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3680	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3681	};
		3682	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3683	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3684	};
		3685	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3686	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3687	};
		3688	}
		3689
		3690	{
		3691	# configure IO::AIO
		3692
		3693	IO::AIO::min_parallel 8;
		3694	IO::AIO::max_poll_time $TICK * 0.1;
		3695	$Coro::AIO::WATCHER->priority (1);
		3696	}
		3697
		3698	my $_log_backtrace;
		3699
		3700	sub _log_backtrace {
		3701	my ($msg, @addr) = @_;
		3702
		3703	$msg =~ s/\n//;
		3704
		3705	# limit the # of concurrent backtraces
		3706	if ($_log_backtrace < 2) {
		3707	++$_log_backtrace;
		3708	async {
		3709	$Coro::current->{desc} = "abt $msg";
		3710
		3711	my @bt = fork_call {
		3712	@addr = map { sprintf "%x", $_ } @addr;
		3713	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3714	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3715	or die "addr2line: $!";
		3716
		3717	my @funcs;
		3718	my @res = <$fh>;
		3719	chomp for @res;
		3720	while (@res) {
		3721	my ($func, $line) = splice @res, 0, 2, ();
		3722	push @funcs, "[$func] $line";
		3723	}
		3724
		3725	@funcs
		3726	};
		3727
		3728	LOG llevInfo, "[ABT] $msg\n";
		3729	LOG llevInfo, "[ABT] $_\n" for @bt;
		3730	--$_log_backtrace;
		3731	};
		3732	} else {
		3733	LOG llevInfo, "[ABT] $msg\n";
		3734	LOG llevInfo, "[ABT] [suppressed]\n";
		3735	}
		3736	}
		3737
		3738	# load additional modules
		3739	use cf::pod;
2440		3740
2441	END { cf::emergency_save }	3741	END { cf::emergency_save }
2442		3742
2443	1	3743	1
2444		3744

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