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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 1.403 by root, Mon Dec 17 07:09:18 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use EV;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.3 ();	15	use Coro 4.32 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
19		26
		27	use JSON::XS 2.01 ();
		28	use BDB ();
20	use Data::Dumper;	29	use Data::Dumper;
21	use Digest::MD5;	30	use Digest::MD5;
22	use Fcntl;	31	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	32	use YAML::Syck ();
		33	use IO::AIO 2.51 ();
25	use Time::HiRes;	34	use Time::HiRes;
		35	use Compress::LZF;
		36	use Digest::MD5 ();
26		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	# configure various modules to our taste
28		39	#
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	40	$Storable::canonical = 1; # reduce rsync transfers
		41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	79	our $NEXT_TICK;
50	our $NOW;	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
		81
		82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
		86	our $DB_ENV;
51		87
52	our %CFG;	88	our %CFG;
53		89
54	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	91	our $RUNTIME;
		92	our $NOW;
56		93
57	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	96	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		97
65	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
		104
68	binmode STDOUT;	105	binmode STDOUT;
69	binmode STDERR;	106	binmode STDERR;
70		107
71	# read virtual server time, if available	108	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
76	}	113	}
77		114
78	mkdir cf::localdir;	115	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		117
84	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
		119
		120	sub cf::map::normalise;
85		121
86	#############################################################################	122	#############################################################################
87		123
88	=head2 GLOBAL VARIABLES	124	=head2 GLOBAL VARIABLES
89		125
…		…
96	=item $cf::RUNTIME	132	=item $cf::RUNTIME
97		133
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	134	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	135	every server tick.
100		136
101	=item $cf::LIBDIR	137	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		138	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		139	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		140
103	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		143	unique-items directory, player file directory, random maps directory and
		144	database environment.
105		145
106	=item $cf::NOW	146	=item $cf::NOW
107		147
108	The time of the last (current) server tick.	148	The time of the last (current) server tick.
109		149
110	=item $cf::TICK	150	=item $cf::TICK
111		151
112	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
113		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
		163
114	=item %cf::CFG	164	=item %cf::CFG
115		165
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	167	from wherever your confdir points to.
118		168
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		170
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	172	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
125		180
126	=back	181	=back
127		182
128	=cut	183	=cut
129		184
130	BEGIN {	185	BEGIN {
131	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	187	my $msg = join "", @_;
133	utf8::encode $msg;
134		188
135	$msg .= "\n"	189	$msg .= "\n"
136	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
137		193
138	LOG llevError, $msg;	194	LOG llevError, $msg;
139	};	195	};
140	}	196	}
141		197
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		205
149	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	207	# within the Safe compartment.
151	for my $pkg (qw(	208	for my $pkg (qw(
152	cf::global cf::attachable	209	cf::global cf::attachable
…		…
157	)) {	214	)) {
158	no strict 'refs';	215	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	217	}
161		218
162	$Event::DIED = sub {	219	$EV::DIED = sub {
163	warn "error in event callback: @_";	220	warn "error in event callback: @_";
164	};	221	};
		222
		223	#############################################################################
165		224
166	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
167		226
168	=over 4	227	=over 4
169		228
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	248	$d
190	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
191	}	250	}
192		251
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	252	=item $ref = cf::decode_json $json
196		253
197	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
198		255
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	256	=item $json = cf::encode_json $ref
207		257
208	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
209		259
210	=cut	260	=cut
211		261
212	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
214	JSON::Syck::Dump $_[0]	264	sub encode_json($) { $json_coder->encode ($_[0]) }
215	}	265	sub decode_json($) { $json_coder->decode ($_[0]) }
216		266
217	=item cf::lock_wait $string	267	=item cf::lock_wait $string
218		268
219	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
220		270
…		…
223	Wait until the given lock is available and then acquires it and returns	273	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
226	returned.	276	returned.
227		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
228	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
230		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
231	=cut	288	=cut
232		289
233	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
234		292
235	sub lock_wait($) {	293	sub lock_wait($) {
236	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
237		300
238	# wait for lock, if any	301	# wait for lock, if any
239	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	304	Coro::schedule;
…		…
247		310
248	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
249	lock_wait $key;	312	lock_wait $key;
250		313
251	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
252		316
253	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
256	}	321	}
257	}	322	}
258		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
		328	}
		329
259	sub freeze_mainloop {	330	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
261		332
262	my $guard = Coro::guard { $TICK_WATCHER->start };	333	my $guard = Coro::guard {
		334	$TICK_WATCHER->start;
		335	};
263	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
264	$guard	337	$guard
		338	}
		339
		340	=item cf::periodic $interval, $cb
		341
		342	Like EV::periodic, but randomly selects a starting point so that the actions
		343	get spread over timer.
		344
		345	=cut
		346
		347	sub periodic($$) {
		348	my ($interval, $cb) = @_;
		349
		350	my $start = rand List::Util::min 180, $interval;
		351
		352	EV::periodic $start, $interval, 0, $cb
		353	}
		354
		355	=item cf::get_slot $time[, $priority[, $name]]
		356
		357	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		358	This call blocks and returns only when you have at least C<$time> seconds
		359	of cpu time till the next tick. The slot is only valid till the next cede.
		360
		361	The optional C<$name> can be used to identify the job to run. It might be
		362	used for statistical purposes and should identify the same time-class.
		363
		364	Useful for short background jobs.
		365
		366	=cut
		367
		368	our @SLOT_QUEUE;
		369	our $SLOT_QUEUE;
		370
		371	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		372	$SLOT_QUEUE = Coro::async {
		373	$Coro::current->desc ("timeslot manager");
		374
		375	my $signal = new Coro::Signal;
		376
		377	while () {
		378	next_job:
		379	my $avail = cf::till_tick;
		380	if ($avail > 0.01) {
		381	for (0 .. $#SLOT_QUEUE) {
		382	if ($SLOT_QUEUE[$_][0] < $avail) {
		383	my $job = splice @SLOT_QUEUE, $_, 1, ();
		384	$job->[2]->send;
		385	Coro::cede;
		386	goto next_job;
		387	}
		388	}
		389	}
		390
		391	if (@SLOT_QUEUE) {
		392	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		393	push @cf::WAIT_FOR_TICK, $signal;
		394	$signal->wait;
		395	} else {
		396	Coro::schedule;
		397	}
		398	}
		399	};
		400
		401	sub get_slot($;$$) {
		402	my ($time, $pri, $name) = @_;
		403
		404	$time = $TICK * .6 if $time > $TICK * .6;
		405	my $sig = new Coro::Signal;
		406
		407	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		408	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		409	$SLOT_QUEUE->ready;
		410	$sig->wait;
265	}	411	}
266		412
267	=item cf::async { BLOCK }	413	=item cf::async { BLOCK }
268		414
269	Currently the same as Coro::async_pool, meaning you cannot use	415	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		420
275	BEGIN { *async = \&Coro::async_pool }	421	BEGIN { *async = \&Coro::async_pool }
276		422
277	=item cf::sync_job { BLOCK }	423	=item cf::sync_job { BLOCK }
278		424
279	The design of crossfire+ requires that the main coro ($Coro::main) is	425	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	426	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	427	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		428	acceptable.
282		429
283	If it must be done, put the blocking parts into C<sync_job>. This will run	430	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	431	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	432	server will be frozen during this time, so the block should either finish
286	fast or be very important.	433	fast or be very important.
…		…
289		436
290	sub sync_job(&) {	437	sub sync_job(&) {
291	my ($job) = @_;	438	my ($job) = @_;
292		439
293	if ($Coro::current == $Coro::main) {	440	if ($Coro::current == $Coro::main) {
		441	my $time = EV::time;
		442
294	# this is the main coro, too bad, we have to block	443	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	444	# till the operation succeeds, freezing the server :/
296		445
		446	LOG llevError, Carp::longmess "sync job";#d#
		447
297	# TODO: use suspend/resume instead	448	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	449	# (but this is cancel-safe)
299	my $freeze_guard = freeze_mainloop;	450	my $freeze_guard = freeze_mainloop;
300		451
301	my $busy = 1;	452	my $busy = 1;
302	my @res;	453	my @res;
303		454
304	(async {	455	(async {
		456	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	457	@res = eval { $job->() };
306	warn $@ if $@;	458	warn $@ if $@;
307	undef $busy;	459	undef $busy;
308	})->prio (Coro::PRIO_MAX);	460	})->prio (Coro::PRIO_MAX);
309		461
310	while ($busy) {	462	while ($busy) {
311	Coro::cede or Event::one_event;	463	if (Coro::nready) {
		464	Coro::cede_notself;
		465	} else {
		466	EV::loop EV::LOOP_ONESHOT;
312	}	467	}
		468	}
		469
		470	$time = EV::time - $time;
		471
		472	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		473	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		474
		475	$tick_start += $time; # do not account sync jobs to server load
313		476
314	wantarray ? @res : $res[0]	477	wantarray ? @res : $res[0]
315	} else {	478	} else {
316	# we are in another coroutine, how wonderful, everything just works	479	# we are in another coroutine, how wonderful, everything just works
317		480
…		…
337	$EXT_CORO{$coro+0} = $coro;	500	$EXT_CORO{$coro+0} = $coro;
338		501
339	$coro	502	$coro
340	}	503	}
341		504
342	sub write_runtime {	505	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		506
345	my $runtime = cf::localdir . "/runtime";	507	Executes the given code block with the given arguments in a seperate
		508	process, returning the results. Everything must be serialisable with
		509	Coro::Storable. May, of course, block. Note that the executed sub may
		510	never block itself or use any form of event handling.
346		511
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	512	=cut
348	or return;
349		513
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	514	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	515	my ($cb, @args) = @_;
352	and return;
353		516
354	aio_fsync $fh	517	# we seemingly have to make a local copy of the whole thing,
355	and return;	518	# otherwise perl prematurely frees the stuff :/
		519	# TODO: investigate and fix (likely this will be rather laborious)
356		520
357	close $fh	521	my @res = Coro::Util::fork_eval {
358	or return;	522	reset_signals;
		523	&$cb
		524	}, @args;
359		525
360	aio_rename "$runtime~", $runtime	526	wantarray ? @res : $res[-1]
361	and return;	527	}
362		528
		529	=item $value = cf::db_get $family => $key
		530
		531	Returns a single value from the environment database.
		532
		533	=item cf::db_put $family => $key => $value
		534
		535	Stores the given C<$value> in the family. It can currently store binary
		536	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		537
		538	=item $db = cf::db_table "name"
		539
		540	Create and/or open a new database table. The string must not be "db" and must be unique
		541	within each server.
		542
		543	=cut
		544
		545	sub db_table($) {
		546	my ($name) = @_;
		547	my $db = BDB::db_create $DB_ENV;
		548
		549	eval {
		550	$db->set_flags (BDB::CHKSUM);
		551
		552	utf8::encode $name;
		553	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		554	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		555	cf::cleanup "db_open(db): $!" if $!;
		556	};
		557	cf::cleanup "db_open(db): $@" if $@;
		558
		559	$db
		560	}
		561
		562	our $DB;
		563
		564	sub db_init {
		565	cf::sync_job {
		566	$DB ||= db_table "db";
		567	};
		568	}
		569
		570	sub db_get($$) {
		571	my $key = "$_[0]/$_[1]";
		572
		573	cf::sync_job {
		574	BDB::db_get $DB, undef, $key, my $data;
		575
		576	$! ? ()
		577	: $data
363	1	578	}
		579	}
		580
		581	sub db_put($$$) {
		582	BDB::dbreq_pri 4;
		583	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		584	}
		585
		586	=item cf::cache $id => [$paths...], $processversion => $process
		587
		588	Generic caching function that returns the value of the resource $id,
		589	caching and regenerating as required.
		590
		591	This function can block.
		592
		593	=cut
		594
		595	sub cache {
		596	my ($id, $src, $processversion, $process) = @_;
		597
		598	my $meta =
		599	join "\x00",
		600	$processversion,
		601	map {
		602	aio_stat $_
		603	and Carp::croak "$_: $!";
		604
		605	($_, (stat _)[7,9])
		606	} @$src;
		607
		608	my $dbmeta = db_get cache => "$id/meta";
		609	if ($dbmeta ne $meta) {
		610	# changed, we may need to process
		611
		612	my @data;
		613	my $md5;
		614
		615	for (0 .. $#$src) {
		616	0 <= aio_load $src->[$_], $data[$_]
		617	or Carp::croak "$src->[$_]: $!";
		618	}
		619
		620	# if processing is expensive, check
		621	# checksum first
		622	if (1) {
		623	$md5 =
		624	join "\x00",
		625	$processversion,
		626	map {
		627	cf::cede_to_tick;
		628	($src->[$_], Digest::MD5::md5_hex $data[$_])
		629	} 0.. $#$src;
		630
		631
		632	my $dbmd5 = db_get cache => "$id/md5";
		633	if ($dbmd5 eq $md5) {
		634	db_put cache => "$id/meta", $meta;
		635
		636	return db_get cache => "$id/data";
		637	}
		638	}
		639
		640	my $t1 = Time::HiRes::time;
		641	my $data = $process->(\@data);
		642	my $t2 = Time::HiRes::time;
		643
		644	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		645
		646	db_put cache => "$id/data", $data;
		647	db_put cache => "$id/md5" , $md5;
		648	db_put cache => "$id/meta", $meta;
		649
		650	return $data;
		651	}
		652
		653	db_get cache => "$id/data"
		654	}
		655
		656	=item cf::datalog type => key => value, ...
		657
		658	Log a datalog packet of the given type with the given key-value pairs.
		659
		660	=cut
		661
		662	sub datalog($@) {
		663	my ($type, %kv) = @_;
		664	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	665	}
365		666
366	=back	667	=back
367		668
368	=cut	669	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	676	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	677	to it. All such attachable objects support the following methods.
377		678
378	In the following description, CLASS can be any of C<global>, C<object>	679	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	680	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	681	Deliantra).
381		682
382	=over 4	683	=over 4
383		684
384	=item $attachable->attach ($attachment, key => $value...)	685	=item $attachable->attach ($attachment, key => $value...)
385		686
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	800	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	801	our @CB_MAP = ();
501		802
502	my %attachment;	803	my %attachment;
503		804
		805	sub cf::attachable::thawer_merge {
		806	# simply override everything except _meta
		807	local $_[0]{_meta};
		808	%{$_[0]} = %{$_[1]};
		809	}
		810
504	sub _attach_cb($$$$) {	811	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	812	my ($registry, $event, $prio, $cb) = @_;
506		813
507	use sort 'stable';	814	use sort 'stable';
508		815
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	849	$registry = $CB_TYPE[$object_type] ||= [];
543		850
544	} elsif ($type eq "subtype") {	851	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	852	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	853	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	854	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		855
549	} elsif ($type eq "package") {	856	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	857	my $pkg = shift @arg;
551		858
552	while (my ($name, $id) = each %cb_id) {	859	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	888	_attach $registry, $klass, @attach;
582	}	889	}
583		890
584	$obj->{$name} = \%arg;	891	$obj->{$name} = \%arg;
585	} else {	892	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	893	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	894	}
588		895
589	$obj->{_attachment}{$name} = undef;	896	$obj->{_attachment}{$name} = undef;
590	}	897	}
591		898
…		…
593	if (ref $_[0]) {	900	if (ref $_[0]) {
594	_object_attach @_;	901	_object_attach @_;
595	} else {	902	} else {
596	_attach shift->_attach_registry, @_;	903	_attach shift->_attach_registry, @_;
597	}	904	}
		905	_recalc_want;
598	};	906	};
599		907
600	# all those should be optimised	908	# all those should be optimised
601	sub cf::attachable::detach {	909	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	910	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	913	delete $obj->{_attachment}{$name};
606	reattach ($obj);	914	reattach ($obj);
607	} else {	915	} else {
608	Carp::croak "cannot, currently, detach class attachments";	916	Carp::croak "cannot, currently, detach class attachments";
609	}	917	}
		918	_recalc_want;
610	};	919	};
611		920
612	sub cf::attachable::attached {	921	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	922	my ($obj, $name) = @_;
614		923
…		…
629	";	938	";
630	die if $@;	939	die if $@;
631	}	940	}
632		941
633	our $override;	942	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	943	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		944
636	sub override {	945	sub override {
637	$override = 1;	946	$override = 1;
638	@invoke_results = ();	947	@INVOKE_RESULTS = (@_);
639	}	948	}
640		949
641	sub do_invoke {	950	sub do_invoke {
642	my $event = shift;	951	my $event = shift;
643	my $callbacks = shift;	952	my $callbacks = shift;
644		953
645	@invoke_results = ();	954	@INVOKE_RESULTS = ();
646		955
647	local $override;	956	local $override;
648		957
649	for (@$callbacks) {	958	for (@$callbacks) {
650	eval { &{$_->[1]} };	959	eval { &{$_->[1]} };
…		…
667		976
668	Generate an object-specific event with the given arguments.	977	Generate an object-specific event with the given arguments.
669		978
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	979	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	980	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	981	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		982
674	=back	983	=back
675		984
676	=cut	985	=cut
677		986
678	#############################################################################	987	#############################################################################
679	# object support	988	# object support
		989
		990	sub _object_equal($$);
		991	sub _object_equal($$) {
		992	my ($a, $b) = @_;
		993
		994	return 0 unless (ref $a) eq (ref $b);
		995
		996	if ("HASH" eq ref $a) {
		997	my @ka = keys %$a;
		998	my @kb = keys %$b;
		999
		1000	return 0 if @ka != @kb;
		1001
		1002	for (0 .. $#ka) {
		1003	return 0 unless $ka[$_] eq $kb[$_];
		1004	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1005	}
		1006
		1007	} elsif ("ARRAY" eq ref $a) {
		1008
		1009	return 0 if @$a != @$b;
		1010
		1011	for (0 .. $#$a) {
		1012	return 0 unless _object_equal $a->[$_], $b->[$_];
		1013	}
		1014
		1015	} elsif ($a ne $b) {
		1016	return 0;
		1017	}
		1018
		1019	1
		1020	}
		1021
		1022	our $SLOW_MERGES;#d#
		1023	sub _can_merge {
		1024	my ($ob1, $ob2) = @_;
		1025
		1026	++$SLOW_MERGES;#d#
		1027
		1028	# we do the slow way here
		1029	return _object_equal $ob1, $ob2
		1030	}
680		1031
681	sub reattach {	1032	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1033	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1034	my ($obj) = @_;
		1035
		1036	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1037
685	my $registry = $obj->registry;	1038	my $registry = $obj->registry;
686		1039
687	@$registry = ();	1040	@$registry = ();
688		1041
…		…
703	cf::attachable->attach (	1056	cf::attachable->attach (
704	prio => -1000000,	1057	prio => -1000000,
705	on_instantiate => sub {	1058	on_instantiate => sub {
706	my ($obj, $data) = @_;	1059	my ($obj, $data) = @_;
707		1060
708	$data = from_json $data;	1061	$data = decode_json $data;
709		1062
710	for (@$data) {	1063	for (@$data) {
711	my ($name, $args) = @$_;	1064	my ($name, $args) = @$_;
712		1065
713	$obj->attach ($name, %{$args || {} });	1066	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1082	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1083	my ($filename, $rdata, $objs) = @_;
731		1084
732	sync_job {	1085	sync_job {
733	if (length $$rdata) {	1086	if (length $$rdata) {
		1087	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1088	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1089	$decname, length $$rdata, scalar @$objs;
736		1090
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1091	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1092	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1093	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1094	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1095	close $fh;
742		1096
743	if (@$objs) {	1097	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1098	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1099	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1100	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1101	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1102	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1103	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1104	aio_rename "$filename.pst~", "$filename.pst";
751	}	1105	}
752	} else {	1106	} else {
753	aio_unlink "$filename.pst";	1107	aio_unlink "$filename.pst";
…		…
759	}	1113	}
760	} else {	1114	} else {
761	aio_unlink $filename;	1115	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1116	aio_unlink "$filename.pst";
763	}	1117	}
764	}	1118	};
765	}	1119	}
766		1120
767	sub object_freezer_as_string {	1121	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1122	my ($rdata, $objs) = @_;
769		1123
…		…
781	or return;	1135	or return;
782		1136
783	unless (aio_stat "$filename.pst") {	1137	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1138	(aio_load "$filename.pst", $av) >= 0
785	or return;	1139	or return;
		1140
786	$av = eval { (Storable::thaw $av)->{objs} };	1141	my $st = eval { Coro::Storable::thaw $av };
		1142	$av = $st->{objs};
787	}	1143	}
788		1144
		1145	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1146	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1147	$decname, length $data, scalar @{$av || []};
		1148
791	return ($data, $av);	1149	($data, $av)
792	}	1150	}
		1151
		1152	=head2 COMMAND CALLBACKS
		1153
		1154	=over 4
		1155
		1156	=cut
793		1157
794	#############################################################################	1158	#############################################################################
795	# command handling &c	1159	# command handling &c
796		1160
797	=item cf::register_command $name => \&callback($ob,$args);	1161	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1174	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1175	}
812		1176
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1177	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1178
815	Register a callbackf ro execution when the client sends an extcmd packet.	1179	Register a callback for execution when the client sends an (synchronous)
		1180	extcmd packet. Ext commands will be processed in the order they are
		1181	received by the server, like other user commands. The first argument is
		1182	the logged-in player. Ext commands can only be processed after a player
		1183	has logged in successfully.
816		1184
817	If the callback returns something, it is sent back as if reply was being	1185	If the callback returns something, it is sent back as if reply was being
818	called.	1186	called.
819		1187
		1188	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1189
		1190	Register a callback for execution when the client sends an (asynchronous)
		1191	exticmd packet. Exti commands are processed by the server as soon as they
		1192	are received, i.e. out of order w.r.t. other commands. The first argument
		1193	is a client socket. Exti commands can be received anytime, even before
		1194	log-in.
		1195
		1196	If the callback returns something, it is sent back as if reply was being
		1197	called.
		1198
820	=cut	1199	=cut
821		1200
822	sub register_extcmd {	1201	sub register_extcmd {
823	my ($name, $cb) = @_;	1202	my ($name, $cb) = @_;
824		1203
825	$EXTCMD{$name} = $cb;	1204	$EXTCMD{$name} = $cb;
		1205	}
		1206
		1207	sub register_exticmd {
		1208	my ($name, $cb) = @_;
		1209
		1210	$EXTICMD{$name} = $cb;
826	}	1211	}
827		1212
828	cf::player->attach (	1213	cf::player->attach (
829	on_command => sub {	1214	on_command => sub {
830	my ($pl, $name, $params) = @_;	1215	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1224	cf::override;
840	},	1225	},
841	on_extcmd => sub {	1226	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1227	my ($pl, $buf) = @_;
843		1228
844	my $msg = eval { from_json $buf };	1229	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1230
846	if (ref $msg) {	1231	if (ref $msg) {
		1232	my ($type, $reply, @payload) =
		1233	"ARRAY" eq ref $msg
		1234	? @$msg
		1235	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1236
		1237	my @reply;
		1238
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1239	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1240	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1241	}
		1242
		1243	$pl->ext_reply ($reply, @reply)
		1244	if $reply;
		1245
852	} else {	1246	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1247	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1248	}
855		1249
856	cf::override;	1250	cf::override;
857	},	1251	},
858	);	1252	);
859		1253
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 {	1254	sub load_extensions {
		1255	cf::sync_job {
		1256	my %todo;
		1257
895	for my $ext (<$LIBDIR/*.ext>) {	1258	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1259	next unless -r $path;
897	eval {	1260
898	load_extension $ext;	1261	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1262	my $base = $1;
		1263	my $pkg = $1;
		1264	$pkg =~ s/[^[:word:]]/_/g;
		1265	$pkg = "ext::$pkg";
		1266
		1267	open my $fh, "<:utf8", $path
		1268	or die "$path: $!";
		1269
		1270	my $source = do { local $/; <$fh> };
		1271
		1272	my %ext = (
		1273	path => $path,
		1274	base => $base,
		1275	pkg => $pkg,
		1276	);
		1277
		1278	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1279	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1280
		1281	$ext{source} =
		1282	"package $pkg; use strict; use utf8;\n"
		1283	. "#line 1 \"$path\"\n{\n"
		1284	. $source
		1285	. "\n};\n1";
		1286
		1287	$todo{$base} = \%ext;
		1288	}
		1289
		1290	my %done;
		1291	while (%todo) {
		1292	my $progress;
		1293
		1294	while (my ($k, $v) = each %todo) {
		1295	for (split /,\s*/, $v->{meta}{depends}) {
		1296	goto skip
		1297	unless exists $done{$_};
		1298	}
		1299
		1300	warn "... loading '$k' into '$v->{pkg}'\n";
		1301
		1302	unless (eval $v->{source}) {
		1303	my $msg = $@ ? "$v->{path}: $@\n"
		1304	: "$v->{base}: extension inactive.\n";
		1305
		1306	if (exists $v->{meta}{mandatory}) {
		1307	warn $msg;
		1308	warn "mandatory extension failed to load, exiting.\n";
		1309	exit 1;
		1310	}
		1311
		1312	warn $msg;
		1313	}
		1314
		1315	$done{$k} = delete $todo{$k};
		1316	push @EXTS, $v->{pkg};
		1317	$progress = 1;
899	1	1318	}
900	} or warn "$ext not loaded: $@";	1319
		1320	skip:
		1321	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1322	unless $progress;
		1323	}
901	}	1324	};
902	}	1325	}
903		1326
904	#############################################################################	1327	#############################################################################
905	# load/save/clean perl data associated with a map
906		1328
907	*cf::mapsupport::on_clean = sub {	1329	=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		1330
920	=head2 CORE EXTENSIONS	1331	=head2 CORE EXTENSIONS
921		1332
922	Functions and methods that extend core crossfire objects.	1333	Functions and methods that extend core crossfire objects.
923		1334
…		…
929		1340
930	=head3 cf::player	1341	=head3 cf::player
931		1342
932	=over 4	1343	=over 4
933		1344
		1345	=item cf::player::num_playing
		1346
		1347	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1348
		1349	=cut
		1350
		1351	sub num_playing {
		1352	scalar grep
		1353	$_->ob->map
		1354	&& !$_->hidden
		1355	&& !$_->ob->flag (cf::FLAG_WIZ),
		1356	cf::player::list
		1357	}
		1358
934	=item cf::player::find $login	1359	=item cf::player::find $login
935		1360
936	Returns the given player object, loading it if necessary (might block).	1361	Returns the given player object, loading it if necessary (might block).
937		1362
938	=cut	1363	=cut
939		1364
940	sub playerdir($) {	1365	sub playerdir($) {
941	cf::localdir	1366	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1367	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1368	}
947		1369
948	sub path($) {	1370	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1371	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1372
951	(playerdir $login) . "/$login.pl"	1373	(playerdir $login) . "/playerdata"
952	}	1374	}
953		1375
954	sub find_active($) {	1376	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1377	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1378	and $cf::PLAYER{$_[0]}->active
…		…
959		1381
960	sub exists($) {	1382	sub exists($) {
961	my ($login) = @_;	1383	my ($login) = @_;
962		1384
963	$cf::PLAYER{$login}	1385	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1386	or cf::sync_job { !aio_stat path $login }
965	}	1387	}
966		1388
967	sub find($) {	1389	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1390	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1391	my $login = $_[0];
970		1392
971	my $guard = cf::lock_acquire "user_find:$login";	1393	my $guard = cf::lock_acquire "user_find:$login";
972		1394
973	$cf::PLAYER{$_[0]} || do {	1395	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1396	# rename old playerfiles to new ones
		1397	#TODO: remove when no longer required
		1398	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1399	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1400	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1401	aio_unlink +(playerdir $login) . "/$login.pl";
		1402
		1403	my $f = new_from_file cf::object::thawer path $login
975	or return;	1404	or return;
		1405
		1406	my $pl = cf::player::load_pl $f
		1407	or return;
		1408	local $cf::PLAYER_LOADING{$login} = $pl;
		1409	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1410	$cf::PLAYER{$login} = $pl
977	}	1411	}
978	}	1412	}
979	}	1413	}
980		1414
…		…
990		1424
991	aio_mkdir playerdir $pl, 0770;	1425	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1426	$pl->{last_save} = $cf::RUNTIME;
993		1427
994	$pl->save_pl ($path);	1428	$pl->save_pl ($path);
995	Coro::cede;	1429	cf::cede_to_tick;
996	}	1430	}
997		1431
998	sub new($) {	1432	sub new($) {
999	my ($login) = @_;	1433	my ($login) = @_;
1000		1434
…		…
1006	$cf::PLAYER{$login} = $self;	1440	$cf::PLAYER{$login} = $self;
1007		1441
1008	$self	1442	$self
1009	}	1443	}
1010		1444
		1445	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1446
		1447	=cut
		1448
		1449	sub send_msg {
		1450	my $ns = shift->ns
		1451	or return;
		1452	$ns->send_msg (@_);
		1453	}
		1454
1011	=item $pl->quit_character	1455	=item $pl->quit_character
1012		1456
1013	Nukes the player without looking back. If logged in, the connection will	1457	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1458	be destroyed. May block for a long time.
1015		1459
1016	=cut	1460	=cut
1017		1461
1018	sub quit_character {	1462	sub quit_character {
1019	my ($pl) = @_;	1463	my ($pl) = @_;
		1464
		1465	my $name = $pl->ob->name;
1020		1466
1021	$pl->{deny_save} = 1;	1467	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1468	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1469
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1470	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1475	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1476	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1477	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1478	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1479	$pl->destroy;
		1480
		1481	my $prefix = qr<^~\Q$name\E/>;
		1482
		1483	# nuke player maps
		1484	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1485
1034	IO::AIO::aio_rmtree $temp;	1486	IO::AIO::aio_rmtree $temp;
		1487	}
		1488
		1489	=item $pl->kick
		1490
		1491	Kicks a player out of the game. This destroys the connection.
		1492
		1493	=cut
		1494
		1495	sub kick {
		1496	my ($pl, $kicker) = @_;
		1497
		1498	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1499	$pl->killer ("kicked");
		1500	$pl->ns->destroy;
1035	}	1501	}
1036		1502
1037	=item cf::player::list_logins	1503	=item cf::player::list_logins
1038		1504
1039	Returns am arrayref of all valid playernames in the system, can take a	1505	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1506	while and may block, so not sync_job-capable, ever.
1041		1507
1042	=cut	1508	=cut
1043		1509
1044	sub list_logins {	1510	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1511	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1512	or return [];
1047		1513
1048	my @logins;	1514	my @logins;
1049		1515
1050	for my $login (@$dirs) {	1516	for my $login (@$dirs) {
		1517	my $path = path $login;
		1518
		1519	# a .pst is a dead give-away for a valid player
		1520	unless (-e "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1521	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1522	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1523	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1524	}
1054		1525
1055	utf8::decode $login;	1526	utf8::decode $login;
1056	push @logins, $login;	1527	push @logins, $login;
1057	}	1528	}
1058		1529
…		…
1066		1537
1067	=cut	1538	=cut
1068		1539
1069	sub maps($) {	1540	sub maps($) {
1070	my ($pl) = @_;	1541	my ($pl) = @_;
		1542
		1543	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1544
1072	my $files = aio_readdir playerdir $pl	1545	my $files = aio_readdir playerdir $pl
1073	or return;	1546	or return;
1074		1547
1075	my @paths;	1548	my @paths;
…		…
1077	for (@$files) {	1550	for (@$files) {
1078	utf8::decode $_;	1551	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1552	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1553	next unless /^$PATH_SEP/o;
1081		1554
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1555	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1556	}
1084		1557
1085	\@paths	1558	\@paths
1086	}	1559	}
1087		1560
		1561	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1562
		1563	Expand crossfire pod fragments into protocol xml.
		1564
		1565	=cut
		1566
		1567	use re 'eval';
		1568
		1569	my $group;
		1570	my $interior; $interior = qr{
		1571	# match a pod interior sequence sans C<< >>
		1572	(?:
		1573	\ (.*?)\ (?{ $group = $^N })
		1574	| < (??{$interior}) >
		1575	)
		1576	}x;
		1577
		1578	sub expand_cfpod {
		1579	my ($self, $pod) = @_;
		1580
		1581	my $xml;
		1582
		1583	while () {
		1584	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1585	$group = $1;
		1586
		1587	$group =~ s/&/&amp;/g;
		1588	$group =~ s/</&lt;/g;
		1589
		1590	$xml .= $group;
		1591	} elsif ($pod =~ m%\G
		1592	([BCGHITU])
		1593	<
		1594	(?:
		1595	([^<>]*) (?{ $group = $^N })
		1596	| < $interior >
		1597	)
		1598	>
		1599	%gcsx
		1600	) {
		1601	my ($code, $data) = ($1, $group);
		1602
		1603	if ($code eq "B") {
		1604	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1605	} elsif ($code eq "I") {
		1606	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1607	} elsif ($code eq "U") {
		1608	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1609	} elsif ($code eq "C") {
		1610	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1611	} elsif ($code eq "T") {
		1612	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1613	} elsif ($code eq "G") {
		1614	my ($male, $female) = split /\|/, $data;
		1615	$data = $self->gender ? $female : $male;
		1616	$xml .= expand_cfpod ($self, $data);
		1617	} elsif ($code eq "H") {
		1618	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1619	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1620	"")
		1621	[$self->{hintmode}];
		1622	} else {
		1623	$xml .= "error processing '$code($data)' directive";
		1624	}
		1625	} else {
		1626	if ($pod =~ /\G(.+)/) {
		1627	warn "parse error while expanding $pod (at $1)";
		1628	}
		1629	last;
		1630	}
		1631	}
		1632
		1633	for ($xml) {
		1634	# create single paragraphs (very hackish)
		1635	s/(?<=\S)\n(?=\w)/ /g;
		1636
		1637	# compress some whitespace
		1638	s/\s+\n/\n/g; # ws line-ends
		1639	s/\n\n+/\n/g; # double lines
		1640	s/^\n+//; # beginning lines
		1641	s/\n+$//; # ending lines
		1642	}
		1643
		1644	$xml
		1645	}
		1646
		1647	no re 'eval';
		1648
		1649	sub hintmode {
		1650	$_[0]{hintmode} = $_[1] if @_ > 1;
		1651	$_[0]{hintmode}
		1652	}
		1653
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1089		1655
1090	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1091		1657
1092	=cut	1658	=cut
1093		1659
1094	sub ext_reply($$$%) {	1660	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1096		1662
1097	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1664	}
1101		1665
1102	package cf;	1666	=item $player->ext_msg ($type, @msg)
		1667
		1668	Sends an ext event to the client.
		1669
		1670	=cut
		1671
		1672	sub ext_msg($$@) {
		1673	my ($self, $type, @msg) = @_;
		1674
		1675	$self->ns->ext_msg ($type, @msg);
		1676	}
		1677
		1678	=head3 cf::region
		1679
		1680	=over 4
		1681
		1682	=cut
		1683
		1684	package cf::region;
		1685
		1686	=item cf::region::find_by_path $path
		1687
		1688	Tries to decuce the likely region for a map knowing only its path.
		1689
		1690	=cut
		1691
		1692	sub find_by_path($) {
		1693	my ($path) = @_;
		1694
		1695	my ($match, $specificity);
		1696
		1697	for my $region (list) {
		1698	if ($region->{match} && $path =~ $region->{match}) {
		1699	($match, $specificity) = ($region, $region->specificity)
		1700	if $region->specificity > $specificity;
		1701	}
		1702	}
		1703
		1704	$match
		1705	}
1103		1706
1104	=back	1707	=back
1105
1106		1708
1107	=head3 cf::map	1709	=head3 cf::map
1108		1710
1109	=over 4	1711	=over 4
1110		1712
…		…
1114		1716
1115	use Fcntl;	1717	use Fcntl;
1116	use Coro::AIO;	1718	use Coro::AIO;
1117		1719
1118	use overload	1720	use overload
1119	'""' => \&as_string;	1721	'""' => \&as_string,
		1722	fallback => 1;
1120		1723
1121	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1123		1726
1124	sub generate_random_map {	1727	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1728	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1730	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1740	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1741	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1742	)
1141	}	1743	}
1142		1744
		1745	=item cf::map->register ($regex, $prio)
		1746
		1747	Register a handler for the map path matching the given regex at the
		1748	givne priority (higher is better, built-in handlers have priority 0, the
		1749	default).
		1750
		1751	=cut
		1752
1143	sub register {	1753	sub register {
1144	my (undef, $regex) = @_;	1754	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1755	my $pkg = caller;
1146		1756
1147	no strict;	1757	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1758	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1759
1150	$EXT_MAP{$pkg} = qr<$regex>;	1760	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1761	}
1152		1762
1153	# also paths starting with '/'	1763	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1764	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1765
		1766	sub thawer_merge {
		1767	my ($self, $merge) = @_;
		1768
		1769	# we have to keep some variables in memory intact
		1770	local $self->{path};
		1771	local $self->{load_path};
		1772
		1773	$self->SUPER::thawer_merge ($merge);
		1774	}
1155		1775
1156	sub normalise {	1776	sub normalise {
1157	my ($path, $base) = @_;	1777	my ($path, $base) = @_;
		1778
		1779	$path = "$path"; # make sure its a string
		1780
		1781	$path =~ s/\.map$//;
1158		1782
1159	# map plan:	1783	# map plan:
1160	#	1784	#
1161	# /! non-realised random map exit (special hack!)	1785	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1786	# {... are special paths that are not being touched
…		…
1190		1814
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1815	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1816
1193	$path = normalise $path, $base;	1817	$path = normalise $path, $base;
1194		1818
1195	for my $pkg (keys %EXT_MAP) {	1819	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1820	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1821	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1822	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1200	return $self;	1824	return $self;
1201	}	1825	}
1202	}	1826	}
1203		1827
1204	Carp::carp "unable to resolve path '$path'.";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1829	()
1206	}	1830	}
1207		1831
1208	sub init {	1832	sub init {
1209	my ($self) = @_;	1833	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1844	# the displayed name, this is a one way mapping
1221	sub visible_name {	1845	sub visible_name {
1222	&as_string	1846	&as_string
1223	}	1847	}
1224		1848
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1849	# the original (read-only) location
1233	sub load_path {	1850	sub load_path {
1234	my ($self) = @_;	1851	my ($self) = @_;
1235		1852
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1853	"$MAPDIR/$self->{path}.map"
1237	}	1854	}
1238		1855
1239	# the temporary/swap location	1856	# the temporary/swap location
1240	sub save_path {	1857	sub save_path {
1241	my ($self) = @_;	1858	my ($self) = @_;
1242		1859
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1861	"$TMPDIR/$path.map"
1244	}	1862	}
1245		1863
1246	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1247	sub uniq_path {	1865	sub uniq_path {
1248	my ($self) = @_;	1866	my ($self) = @_;
1249		1867
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1869	"$UNIQUEDIR/$path"
1251	}	1870	}
1252		1871
1253	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1254	# all maps in C++...	1873	# all maps in C++...
1255	sub change_all_map_light {	1874	sub change_all_map_light {
…		…
1257		1876
1258	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1260	}	1879	}
1261		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1262	sub unlink_save {	1889	sub unlink_save {
1263	my ($self) = @_;	1890	my ($self) = @_;
1264		1891
1265	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1895	}
1269		1896
1270	sub load_header_from($) {	1897	sub load_header_from($) {
1271	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1272		1899
1273	utf8::encode $path;	1900	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1275	or return;	1902	or return;
1276		1903
1277	$self->_load_header ($path)	1904	$self->_load_header ($f)
1278	or return;	1905	or return;
1279		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
		1909
1280	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1281		1911
1282	1	1912	1
1283	}	1913	}
1284		1914
1285	sub load_orig {	1915	sub load_header_orig {
1286	my ($self) = @_;	1916	my ($self) = @_;
1287		1917
1288	$self->load_header_from ($self->load_path)	1918	$self->load_header_from ($self->load_path)
1289	}	1919	}
1290		1920
1291	sub load_temp {	1921	sub load_header_temp {
1292	my ($self) = @_;	1922	my ($self) = @_;
1293		1923
1294	$self->load_header_from ($self->save_path)	1924	$self->load_header_from ($self->save_path)
		1925	}
		1926
		1927	sub prepare_temp {
		1928	my ($self) = @_;
		1929
		1930	$self->last_access ((delete $self->{last_access})
		1931	|| $cf::RUNTIME); #d#
		1932	# safety
		1933	$self->{instantiate_time} = $cf::RUNTIME
		1934	if $self->{instantiate_time} > $cf::RUNTIME;
		1935	}
		1936
		1937	sub prepare_orig {
		1938	my ($self) = @_;
		1939
		1940	$self->{load_original} = 1;
		1941	$self->{instantiate_time} = $cf::RUNTIME;
		1942	$self->last_access ($cf::RUNTIME);
		1943	$self->instantiate;
1295	}	1944	}
1296		1945
1297	sub load_header {	1946	sub load_header {
1298	my ($self) = @_;	1947	my ($self) = @_;
1299		1948
1300	if ($self->load_temp) {	1949	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1950	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1951	} else {
1307	$self->load_orig	1952	$self->load_header_orig
1308	or return;	1953	or return;
1309		1954	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1955	}
		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
		1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
1315		1962
1316	1	1963	1
1317	}	1964	}
1318		1965
1319	sub find;	1966	sub find;
1320	sub find {	1967	sub find {
1321	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1322		1969
1323	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1324		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1326		1974
1327	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1328	my $guard = cf::lock_acquire "map_find:$path";	1976	my $guard1 = cf::lock_acquire "map_find:$path";
		1977	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1978
1329	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1330	or return;	1980	or return;
1331		1981
1332	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1333		1983
1334	$map->load_header	1984	$map->load_header
1335	or return;	1985	or return;
1336		1986
1337	if ($map->should_reset) {	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1988	# doing this can freeze the server in a sync job, obviously
		1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard1;
		1991	undef $guard2;
1338	$map->reset;	1992	$map->reset;
1339	undef $guard;
1340	$map = find $path	1993	return find $path;
1341	or return;
1342	}	1994	}
1343		1995
1344	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1345	}	1997	}
1346	}	1998	}
		1999
		2000	sub pre_load { }
		2001	sub post_load { }
1347		2002
1348	sub load {	2003	sub load {
1349	my ($self) = @_;	2004	my ($self) = @_;
1350		2005
		2006	local $self->{deny_reset} = 1; # loading can take a long time
		2007
1351	my $path = $self->{path};	2008	my $path = $self->{path};
		2009
		2010	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1353		2012
		2013	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		2015
1356	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1357		2017
1358	$self->alloc;	2018	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	2019
		2020	$self->pre_load;
		2021	cf::cede_to_tick;
		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
		2025	$self->_load_objects ($f)
1360	or return;	2026	or return;
1361		2027
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	2029	if delete $self->{load_original};
1364		2030
1365	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2032	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2035	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1370	}	2039	}
1371	}	2040	}
1372		2041
1373	Coro::cede;	2042	$f->resolve_delayed_derefs;
1374		2043
		2044	cf::cede_to_tick;
1375	# now do the right thing for maps	2045	# now do the right thing for maps
1376	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1377
1378	unless ($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)	2047	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2048	unless $self->difficulty;
1386	Coro::cede;	2049	cf::cede_to_tick;
		2050
		2051	unless ($self->{deny_activate}) {
		2052	$self->decay_objects;
		2053	$self->fix_auto_apply;
		2054	$self->update_buttons;
		2055	cf::cede_to_tick;
		2056	$self->set_darkness_map;
		2057	cf::cede_to_tick;
1387	$self->activate;	2058	$self->activate;
1388	}	2059	}
1389		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2064	$self->in_memory (cf::MAP_IN_MEMORY);
		2065	}
		2066
		2067	$self->post_load;
1391	}	2068	}
1392		2069
1393	sub customise_for {	2070	sub customise_for {
1394	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1395		2072
1396	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2074	if $self->per_player;
1398		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1399	$self	2079	$self
1400	}	2080	}
1401		2081
1402	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2083	sub load_neighbours {
1404	my ($map) = @_;	2084	my ($map) = @_;
1405		2085
1406	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1407		2087
1408	for (0 .. 3) {	2088	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1410	or next;	2090	or next;
1411	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1412	or next;	2092	or next;
1413	$neigh->load;	2093	$neigh->load;
1414		2094
		2095	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2098	}
1418		2099
1419	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1421	or next;	2103	or next;
1422	$neigh->load;	2104	$neigh->load;
1423	}	2105	}
1424	}	2106	}
1425		2107
…		…
1430	}	2112	}
1431		2113
1432	sub do_load_sync {	2114	sub do_load_sync {
1433	my ($map) = @_;	2115	my ($map) = @_;
1434		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1435	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1436	}	2121	}
1437		2122
1438	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2124	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		2125
1452	sub find_async {	2126	sub find_async {
1453	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1454		2128
1455	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1456		2130
1457	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2133	}
		2134
		2135	$MAP_PREFETCH{$path} |= $load;
		2136
		2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
		2140	while (%MAP_PREFETCH) {
		2141	while (my ($k, $v) = each %MAP_PREFETCH) {
		2142	if (my $map = find $k) {
		2143	$map->load if $v;
		2144	}
		2145
		2146	delete $MAP_PREFETCH{$k};
		2147	}
		2148	}
		2149	undef $MAP_PREFETCHER;
1459	}	2150	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2151	$MAP_PREFETCHER->prio (6);
1463		2152
1464	()	2153	()
1465	}	2154	}
1466		2155
1467	sub save {	2156	sub save {
1468	my ($self) = @_;	2157	my ($self) = @_;
1469		2158
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2160
1472	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1473		2162
1474	return unless $self->dirty;	2163	return unless $self->dirty;
1475		2164
…		…
1481	return if $self->{deny_save};	2170	return if $self->{deny_save};
1482		2171
1483	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1484		2173
1485	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1487	};	2177	};
1488		2178
1489	if ($uniq) {	2179	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1498	my ($self) = @_;	2188	my ($self) = @_;
1499		2189
1500	# save first because save cedes	2190	# save first because save cedes
1501	$self->save;	2191	$self->save;
1502		2192
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2193	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2194
1505	return if $self->players;	2195	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2196	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};	2197	return if $self->{deny_save};
1508		2198
		2199	$self->in_memory (cf::MAP_SWAPPED);
		2200
		2201	$self->deactivate;
		2202	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2203	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2204	}
1512		2205
1513	sub reset_at {	2206	sub reset_at {
1514	my ($self) = @_;	2207	my ($self) = @_;
1515		2208
1516	# TODO: safety, remove and allow resettable per-player maps	2209	# 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};	2210	return 1e99 if $self->{deny_reset};
1519		2211
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2212	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2213	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2214
…		…
1527	my ($self) = @_;	2219	my ($self) = @_;
1528		2220
1529	$self->reset_at <= $cf::RUNTIME	2221	$self->reset_at <= $cf::RUNTIME
1530	}	2222	}
1531		2223
1532	sub rename {
1533	my ($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	$self->save;
1544	}
1545
1546	sub reset {	2224	sub reset {
1547	my ($self) = @_;	2225	my ($self) = @_;
1548		2226
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2228
1551	return if $self->players;	2229	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2230
1554	warn "resetting map ", $self->path;#d#	2231	warn "resetting map ", $self->path;
		2232
		2233	$self->in_memory (cf::MAP_SWAPPED);
		2234
		2235	# need to save uniques path
		2236	unless ($self->{deny_save}) {
		2237	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2238
		2239	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2240	if $uniq;
		2241	}
1555		2242
1556	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1557		2244
		2245	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2246	$_->clear_links_to ($self) for values %cf::MAP;
		2247	$self->clear;
1559		2248
1560	$self->unlink_save;	2249	$self->unlink_save;
1561	$self->destroy;	2250	$self->destroy;
1562	}	2251	}
1563		2252
1564	my $nuke_counter = "aaaa";	2253	my $nuke_counter = "aaaa";
1565		2254
1566	sub nuke {	2255	sub nuke {
1567	my ($self) = @_;	2256	my ($self) = @_;
1568		2257
		2258	{
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
		2261	delete $cf::MAP{$self->path};
		2262
		2263	$self->unlink_save;
		2264
		2265	bless $self, "cf::map";
		2266	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2267	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2268	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2269	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2270
		2271	$cf::MAP{$self->path} = $self;
		2272	}
		2273
1572	$self->reset; # polite request, might not happen	2274	$self->reset; # polite request, might not happen
		2275	}
		2276
		2277	=item $maps = cf::map::tmp_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	maps. May block.
		2281
		2282	=cut
		2283
		2284	sub tmp_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise $_
		2290	: ()
		2291	} @{ aio_readdir $TMPDIR or [] }
		2292	]
		2293	}
		2294
		2295	=item $maps = cf::map::random_maps
		2296
		2297	Returns an arrayref with all map paths of currently instantiated and saved
		2298	random maps. May block.
		2299
		2300	=cut
		2301
		2302	sub random_maps() {
		2303	[
		2304	map {
		2305	utf8::decode $_;
		2306	/\.map$/
		2307	? normalise "?random/$_"
		2308	: ()
		2309	} @{ aio_readdir $RANDOMDIR or [] }
		2310	]
1573	}	2311	}
1574		2312
1575	=item cf::map::unique_maps	2313	=item cf::map::unique_maps
1576		2314
1577	Returns an arrayref of paths of all shared maps that have	2315	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2316	instantiated unique items. May block.
1579		2317
1580	=cut	2318	=cut
1581		2319
1582	sub unique_maps() {	2320	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2321	[
1584	or return;	2322	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2323	utf8::decode $_;
1590	next if /\.pst$/;	2324	/\.map$/
1591	next unless /^$PATH_SEP/o;	2325	? normalise $_
1592		2326	: ()
1593	push @paths, $_;	2327	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2328	]
1595
1596	\@paths
1597	}	2329	}
1598		2330
1599	package cf;	2331	package cf;
1600		2332
1601	=back	2333	=back
…		…
1619	map { $_, inv_recursive_ $_->inv } @_	2351	map { $_, inv_recursive_ $_->inv } @_
1620	}	2352	}
1621		2353
1622	sub inv_recursive {	2354	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2355	inv_recursive_ inv $_[0]
		2356	}
		2357
		2358	=item $ref = $ob->ref
		2359
		2360	creates and returns a persistent reference to an objetc that can be stored as a string.
		2361
		2362	=item $ob = cf::object::deref ($refstring)
		2363
		2364	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2365	even if the object actually exists. May block.
		2366
		2367	=cut
		2368
		2369	sub deref {
		2370	my ($ref) = @_;
		2371
		2372	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2373	my ($uuid, $name) = ($1, $2);
		2374	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2375	or return;
		2376	$pl->ob->uuid eq $uuid
		2377	or return;
		2378
		2379	$pl->ob
		2380	} else {
		2381	warn "$ref: cannot resolve object reference\n";
		2382	undef
		2383	}
1624	}	2384	}
1625		2385
1626	package cf;	2386	package cf;
1627		2387
1628	=back	2388	=back
…		…
1647		2407
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2409
1650	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1652	} else {	2413	} else {
		2414	my $pl = $self->contr;
		2415
		2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2417	my $dialog = $pl->{npc_dialog};
		2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2419
		2420	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2422	$self->message ($msg, $flags);
		2423	}
1655	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
1656	}	2435	}
1657		2436
1658	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1659		2438
1660	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2471	=cut
1693		2472
1694	sub link_map {	2473	sub link_map {
1695	unless ($LINK_MAP) {	2474	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2475	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2476	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2477	$LINK_MAP->load;
1699	}	2478	}
1700		2479
1701	$LINK_MAP	2480	$LINK_MAP
1702	}	2481	}
…		…
1707	$self->deactivate_recursive;	2486	$self->deactivate_recursive;
1708		2487
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2488	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2489
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2491	if $self->map && $self->map->{path} ne "{link}";
1713		2492
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2493	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2494	}
1716		2495
1717	sub cf::object::player::leave_link {	2496	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2497	my ($self, $map, $x, $y) = @_;
		2498
		2499	return unless $self->contr->active;
1719		2500
1720	my $link_pos = delete $self->{_link_pos};	2501	my $link_pos = delete $self->{_link_pos};
1721		2502
1722	unless ($map) {	2503	unless ($map) {
1723	# restore original map position	2504	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2518	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2519	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2520	if $x <=0 && $y <= 0;
1740		2521
1741	$map->load;	2522	$map->load;
1742	$map->load_diag;	2523	$map->load_neighbours;
1743		2524
1744	return unless $self->contr->active;	2525	return unless $self->contr->active;
1745	$self->activate_recursive;	2526	$self->activate_recursive;
		2527
		2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1747	}	2530	}
1748		2531
1749	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2533
1753	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1757	};	2538	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2539
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	2540	=cut
		2541
		2542	our $GOTOGEN;
1784		2543
1785	sub cf::object::player::goto {	2544	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2545	my ($self, $path, $x, $y, $check, $done) = @_;
		2546
		2547	# do generation counting so two concurrent goto's will be executed in-order
		2548	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2549
1788	$self->enter_link;	2550	$self->enter_link;
1789		2551
1790	(async {	2552	(async {
1791	my $map = cf::map::find $path;	2553	$Coro::current->{desc} = "player::goto $path $x $y";
		2554
		2555	# *tag paths override both path and x|y
		2556	if ($path =~ /^\*(.*)$/) {
		2557	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2558	my $ob = $obs[rand @obs];
		2559
		2560	# see if we actually can go there
		2561	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2562	$ob = $obs[rand @obs];
		2563	} else {
		2564	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2565	}
		2566	# else put us there anyways for now #d#
		2567
		2568	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2569	} else {
		2570	($path, $x, $y) = (undef, undef, undef);
		2571	}
		2572	}
		2573
		2574	my $map = eval {
		2575	my $map = defined $path ? cf::map::find $path : undef;
		2576
		2577	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2578	$map = $map->customise_for ($self);
1793		2579	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2580	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2581	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2582	}
1798		2583
		2584	$map
		2585	};
		2586
		2587	if ($@) {
		2588	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	LOG llevError | logBacktrace, Carp::longmess $@;
		2590	}
		2591
		2592	if ($gen == $self->{_goto_generation}) {
		2593	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2594	$self->leave_link ($map, $x, $y);
		2595	}
		2596
		2597	$done->() if $done;
1800	})->prio (1);	2598	})->prio (1);
1801	}	2599	}
1802		2600
1803	=item $player_object->enter_exit ($exit_object)	2601	=item $player_object->enter_exit ($exit_object)
1804		2602
…		…
1806		2604
1807	sub parse_random_map_params {	2605	sub parse_random_map_params {
1808	my ($spec) = @_;	2606	my ($spec) = @_;
1809		2607
1810	my $rmp = { # defaults	2608	my $rmp = { # defaults
1811	xsize => 10,	2609	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2610	ysize => (cf::rndm 15, 40),
		2611	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2612	#layout => string,
1813	};	2613	};
1814		2614
1815	for (split /\n/, $spec) {	2615	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2616	my ($k, $v) = split /\s+/, $_, 2;
1817		2617
…		…
1821	$rmp	2621	$rmp
1822	}	2622	}
1823		2623
1824	sub prepare_random_map {	2624	sub prepare_random_map {
1825	my ($exit) = @_;	2625	my ($exit) = @_;
		2626
		2627	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2628
1827	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2631	# that depends on the exit object
1830		2632
1831	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
1832		2634
1833	if ($exit->map) {	2635	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2636	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
1838	}	2640	}
1839		2641
1840	$rmp->{random_seed} ||= $exit->random_seed;	2642	$rmp->{random_seed} ||= $exit->random_seed;
1841		2643
1842	my $data = cf::to_json $rmp;	2644	my $data = cf::encode_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2645	my $md5 = Digest::MD5::md5_hex $data;
		2646	my $meta = "$RANDOMDIR/$md5.meta";
1844		2647
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2648	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2649	aio_write $fh, 0, (length $data), $data, 0;
		2650	undef $fh;
		2651	aio_rename "$meta~", $meta;
1847		2652
1848	$exit->slaying ("?random/$md5");	2653	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2654	$exit->msg (undef);
1850	}	2655	}
1851	}	2656	}
…		…
1853	sub cf::object::player::enter_exit {	2658	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2659	my ($self, $exit) = @_;
1855		2660
1856	return unless $self->type == cf::PLAYER;	2661	return unless $self->type == cf::PLAYER;
1857		2662
		2663	if ($exit->slaying eq "/!") {
		2664	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2665	# the problem is that $exit might not survive long enough
		2666	# so it needs to be done right now, right here
		2667	cf::sync_job { prepare_random_map $exit };
		2668	}
		2669
		2670	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2671	my $hp = $exit->stats->hp;
		2672	my $sp = $exit->stats->sp;
		2673
1858	$self->enter_link;	2674	$self->enter_link;
1859		2675
		2676	# if exit is damned, update players death & WoR home-position
		2677	$self->contr->savebed ($slaying, $hp, $sp)
		2678	if $exit->flag (FLAG_DAMNED);
		2679
1860	(async {	2680	(async {
		2681	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2682
1861	$self->deactivate_recursive; # just to be sure	2683	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2684	unless (eval {
1863	prepare_random_map $exit	2685	$self->goto ($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		2686
1869	1;	2687	1;
1870	}) {	2688	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2689	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2690	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2691	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2692	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2693
1876	warn "ERROR in enter_exit: $@";	2694	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2695	$self->leave_link;
1878	}	2696	}
1879	})->prio (1);	2697	})->prio (1);
…		…
1892		2710
1893	sub cf::client::send_drawinfo {	2711	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2712	my ($self, $text, $flags) = @_;
1895		2713
1896	utf8::encode $text;	2714	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2715	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2716	}
1899		2717
		2718	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2719
		2720	Send a drawinfo or msg packet to the client, formatting the msg for the
		2721	client if neccessary. C<$type> should be a string identifying the type of
		2722	the message, with C<log> being the default. If C<$color> is negative, suppress
		2723	the message unless the client supports the msg packet.
		2724
		2725	=cut
		2726
		2727	# non-persistent channels (usually the info channel)
		2728	our %CHANNEL = (
		2729	"c/identify" => {
		2730	id => "infobox",
		2731	title => "Identify",
		2732	reply => undef,
		2733	tooltip => "Items recently identified",
		2734	},
		2735	"c/examine" => {
		2736	id => "infobox",
		2737	title => "Examine",
		2738	reply => undef,
		2739	tooltip => "Signs and other items you examined",
		2740	},
		2741	"c/book" => {
		2742	id => "infobox",
		2743	title => "Book",
		2744	reply => undef,
		2745	tooltip => "The contents of a note or book",
		2746	},
		2747	"c/lookat" => {
		2748	id => "infobox",
		2749	title => "Look",
		2750	reply => undef,
		2751	tooltip => "What you saw there",
		2752	},
		2753	"c/who" => {
		2754	id => "infobox",
		2755	title => "Players",
		2756	reply => undef,
		2757	tooltip => "Shows players who are currently online",
		2758	},
		2759	"c/body" => {
		2760	id => "infobox",
		2761	title => "Body Parts",
		2762	reply => undef,
		2763	tooltip => "Shows which body parts you posess and are available",
		2764	},
		2765	"c/uptime" => {
		2766	id => "infobox",
		2767	title => "Uptime",
		2768	reply => undef,
		2769	tooltip => "How long the server has been running since last restart",
		2770	},
		2771	"c/mapinfo" => {
		2772	id => "infobox",
		2773	title => "Map Info",
		2774	reply => undef,
		2775	tooltip => "Information related to the maps",
		2776	},
		2777	);
		2778
		2779	sub cf::client::send_msg {
		2780	my ($self, $channel, $msg, $color, @extra) = @_;
		2781
		2782	$msg = $self->pl->expand_cfpod ($msg);
		2783
		2784	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2785
		2786	# check predefined channels, for the benefit of C
		2787	if ($CHANNEL{$channel}) {
		2788	$channel = $CHANNEL{$channel};
		2789
		2790	$self->ext_msg (channel_info => $channel)
		2791	if $self->can_msg;
		2792
		2793	$channel = $channel->{id};
		2794
		2795	} elsif (ref $channel) {
		2796	# send meta info to client, if not yet sent
		2797	unless (exists $self->{channel}{$channel->{id}}) {
		2798	$self->{channel}{$channel->{id}} = $channel;
		2799	$self->ext_msg (channel_info => $channel)
		2800	if $self->can_msg;
		2801	}
		2802
		2803	$channel = $channel->{id};
		2804	}
		2805
		2806	return unless @extra || length $msg;
		2807
		2808	if ($self->can_msg) {
		2809	# default colour, mask it out
		2810	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2811	if $color & cf::NDI_DEF;
		2812
		2813	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2814	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2815	} else {
		2816	if ($color >= 0) {
		2817	# replace some tags by gcfclient-compatible ones
		2818	for ($msg) {
		2819	1 while
		2820	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2821	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2822	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2823	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2824	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2825	}
		2826
		2827	$color &= cf::NDI_COLOR_MASK;
		2828
		2829	utf8::encode $msg;
		2830
		2831	if (0 && $msg =~ /\[/) {
		2832	# COMMAND/INFO
		2833	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2834	} else {
		2835	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2836	$self->send_packet ("drawinfo $color $msg")
		2837	}
		2838	}
		2839	}
		2840	}
		2841
		2842	=item $client->ext_msg ($type, @msg)
		2843
		2844	Sends an ext event to the client.
		2845
		2846	=cut
		2847
		2848	sub cf::client::ext_msg($$@) {
		2849	my ($self, $type, @msg) = @_;
		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2853	} elsif ($self->extcmd == 1) { # TODO: remove
		2854	push @msg, msgtype => "event_$type";
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2856	}
		2857	}
		2858
		2859	=item $client->ext_reply ($msgid, @msg)
		2860
		2861	Sends an ext reply to the client.
		2862
		2863	=cut
		2864
		2865	sub cf::client::ext_reply($$@) {
		2866	my ($self, $id, @msg) = @_;
		2867
		2868	if ($self->extcmd == 2) {
		2869	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2870	} elsif ($self->extcmd == 1) {
		2871	#TODO: version 1, remove
		2872	unshift @msg, msgtype => "reply", msgid => $id;
		2873	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2874	}
		2875	}
1900		2876
1901	=item $success = $client->query ($flags, "text", \&cb)	2877	=item $success = $client->query ($flags, "text", \&cb)
1902		2878
1903	Queues a query to the client, calling the given callback with	2879	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>,	2880	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>.	2881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2882
1907	Queries can fail, so check the return code. Or don't, as queries will become	2883	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2884	become reliable at some point in the future.
1909		2885
1910	=cut	2886	=cut
1911		2887
1912	sub cf::client::query {	2888	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2889	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2897	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2899
1924	$self->send_packet ($self->{query_queue}[0][0])	2900	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2901	if @{ $self->{query_queue} } == 1;
		2902
		2903	1
1926	}	2904	}
1927		2905
1928	cf::client->attach (	2906	cf::client->attach (
		2907	on_connect => sub {
		2908	my ($ns) = @_;
		2909
		2910	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2911	},
1929	on_reply => sub {	2912	on_reply => sub {
1930	my ($ns, $msg) = @_;	2913	my ($ns, $msg) = @_;
1931		2914
1932	# this weird shuffling is so that direct followup queries	2915	# this weird shuffling is so that direct followup queries
1933	# get handled first	2916	# get handled first
1934	my $queue = delete $ns->{query_queue}	2917	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2918	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2919
1937	(shift @$queue)->[1]->($msg);	2920	(shift @$queue)->[1]->($msg);
		2921	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2922
1939	push @{ $ns->{query_queue} }, @$queue;	2923	push @{ $ns->{query_queue} }, @$queue;
1940		2924
1941	if (@{ $ns->{query_queue} } == @$queue) {	2925	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2926	if (@$queue) {
…		…
1944	} else {	2928	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2929	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2930	}
1947	}	2931	}
1948	},	2932	},
		2933	on_exticmd => sub {
		2934	my ($ns, $buf) = @_;
		2935
		2936	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2937
		2938	if (ref $msg) {
		2939	my ($type, $reply, @payload) =
		2940	"ARRAY" eq ref $msg
		2941	? @$msg
		2942	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2943
		2944	my @reply;
		2945
		2946	if (my $cb = $EXTICMD{$type}) {
		2947	@reply = $cb->($ns, @payload);
		2948	}
		2949
		2950	$ns->ext_reply ($reply, @reply)
		2951	if $reply;
		2952
		2953	} else {
		2954	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2955	}
		2956
		2957	cf::override;
		2958	},
1949	);	2959	);
1950		2960
1951	=item $client->async (\&cb)	2961	=item $client->async (\&cb)
1952		2962
1953	Create a new coroutine, running the specified callback. The coroutine will	2963	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	3004	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3005	our $safe_hole = new Safe::Hole;
1996		3006
1997	$SIG{FPE} = 'IGNORE';	3007	$SIG{FPE} = 'IGNORE';
1998		3008
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3009	$safe->permit_only (Opcode::opset qw(
		3010	:base_core :base_mem :base_orig :base_math
		3011	grepstart grepwhile mapstart mapwhile
		3012	sort time
		3013	));
2000		3014
2001	# here we export the classes and methods available to script code	3015	# here we export the classes and methods available to script code
2002		3016
2003	=pod	3017	=pod
2004		3018
2005	The following fucntions and emthods are available within a safe environment:	3019	The following functions and methods are available within a safe environment:
2006		3020
2007	cf::object contr pay_amount pay_player map	3021	cf::object
		3022	contr pay_amount pay_player map x y force_find force_add destroy
		3023	insert remove name archname title slaying race decrease_ob_nr
		3024
2008	cf::object::player player	3025	cf::object::player
2009	cf::player peaceful	3026	player
2010	cf::map trigger	3027
		3028	cf::player
		3029	peaceful
		3030
		3031	cf::map
		3032	trigger
2011		3033
2012	=cut	3034	=cut
2013		3035
2014	for (	3036	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3037	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3038	insert remove inv name archname title slaying race
		3039	decrease_ob_nr destroy)],
2016	["cf::object::player" => qw(player)],	3040	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3041	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	3042	["cf::map" => qw(trigger)],
2019	) {	3043	) {
2020	no strict 'refs';	3044	no strict 'refs';
…		…
2091	=back	3115	=back
2092		3116
2093	=cut	3117	=cut
2094		3118
2095	#############################################################################	3119	#############################################################################
		3120	# the server's init and main functions
2096		3121
2097	=head2 EXTENSION DATABASE SUPPORT	3122	sub load_facedata($) {
		3123	my ($path) = @_;
2098		3124
2099	Crossfire maintains a very simple database for extension use. It can	3125	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3126	# for this (global event?)
2101	excludes objects.	3127	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3128
2103	The parameter C<$family> should best start with the name of the extension	3129	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3130
2106	=over 4	3131	warn "loading facedata from $path\n";
2107		3132
2108	=item $hashref = cf::db_get $family	3133	my $facedata;
		3134	0 < aio_load $path, $facedata
		3135	or die "$path: $!";
2109		3136
2110	Return a hashref for use by the extension C<$family>, which can be	3137	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3138
2114	=item $value = cf::db_get $family => $key	3139	$facedata->{version} == 2
		3140	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3141
2116	Returns a single value from the database	3142	# patch in the exptable
2117		3143	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3144	type => FT_RSRC,
2119		3145	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	});	3146	};
		3147	cf::cede_to_tick;
2169		3148
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3149	{
		3150	my $faces = $facedata->{faceinfo};
2174		3151
2175	sub db_get($;$) {	3152	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3153	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}	3154	cf::face::set_visibility $idx, $info->{visibility};
2178	: ($DB->{$_[0]} ||= { })	3155	cf::face::set_magicmap $idx, $info->{magicmap};
2179	}	3156	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3157	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2180		3158
2181	sub db_put($$;$) {	3159	cf::cede_to_tick;
2182	if (@_ >= 3) {
2183	$DB->{$_[0]}{$_[1]} = $_[2];
2184	} else {
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189
2190	cf::global->attach (
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3160	}
2195	);
2196	}
2197		3161
2198	#############################################################################	3162	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3163	next unless $info->{smooth};
		3164	my $idx = cf::face::find $face
		3165	or next;
		3166	if (my $smooth = cf::face::find $info->{smooth}) {
		3167	cf::face::set_smooth $idx, $smooth;
		3168	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3169	} else {
		3170	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3171	}
2200		3172
2201	sub cfg_load {	3173	cf::cede_to_tick;
		3174	}
		3175	}
		3176
		3177	{
		3178	my $anims = $facedata->{animinfo};
		3179
		3180	while (my ($anim, $info) = each %$anims) {
		3181	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3182	cf::cede_to_tick;
		3183	}
		3184
		3185	cf::anim::invalidate_all; # d'oh
		3186	}
		3187
		3188	{
		3189	# TODO: for gcfclient pleasure, we should give resources
		3190	# that gcfclient doesn't grok a >10000 face index.
		3191	my $res = $facedata->{resource};
		3192
		3193	my $soundconf = delete $res->{"res/sound.conf"};
		3194
		3195	while (my ($name, $info) = each %$res) {
		3196	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3197	my $data;
		3198
		3199	if ($info->{type} & 1) {
		3200	# prepend meta info
		3201
		3202	my $meta = $enc->encode ({
		3203	name => $name,
		3204	%{ $info->{meta} || {} },
		3205	});
		3206
		3207	$data = pack "(w/a*)*", $meta, $info->{data};
		3208	} else {
		3209	$data = $info->{data};
		3210	}
		3211
		3212	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3213	cf::face::set_type $idx, $info->{type};
		3214
		3215	cf::cede_to_tick;
		3216	}
		3217
		3218	if ($soundconf) {
		3219	$soundconf = $enc->decode (delete $soundconf->{data});
		3220
		3221	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3222	my $sound = $soundconf->{compat}[$_]
		3223	or next;
		3224
		3225	my $face = cf::face::find "sound/$sound->[1]";
		3226	cf::sound::set $sound->[0] => $face;
		3227	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3228	}
		3229
		3230	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3231	my $face = cf::face::find "sound/$v";
		3232	cf::sound::set $k => $face;
		3233	}
		3234	}
		3235	}
		3236
		3237	1
		3238	}
		3239
		3240	register_exticmd fx_want => sub {
		3241	my ($ns, $want) = @_;
		3242
		3243	while (my ($k, $v) = each %$want) {
		3244	$ns->fx_want ($k, $v);
		3245	}
		3246	};
		3247
		3248	sub reload_regions {
		3249	# HACK to clear player env face cache, we need some signal framework
		3250	# for this (global event?)
		3251	%ext::player_env::MUSIC_FACE_CACHE = ();
		3252
		3253	load_resource_file "$MAPDIR/regions"
		3254	or die "unable to load regions file\n";
		3255
		3256	for (cf::region::list) {
		3257	$_->{match} = qr/$_->{match}/
		3258	if exists $_->{match};
		3259	}
		3260	}
		3261
		3262	sub reload_facedata {
		3263	load_facedata "$DATADIR/facedata"
		3264	or die "unable to load facedata\n";
		3265	}
		3266
		3267	sub reload_archetypes {
		3268	load_resource_file "$DATADIR/archetypes"
		3269	or die "unable to load archetypes\n";
		3270	#d# NEED to laod twice to resolve forward references
		3271	# this really needs to be done in an extra post-pass
		3272	# (which needs to be synchronous, so solve it differently)
		3273	load_resource_file "$DATADIR/archetypes"
		3274	or die "unable to load archetypes\n";
		3275	}
		3276
		3277	sub reload_treasures {
		3278	load_resource_file "$DATADIR/treasures"
		3279	or die "unable to load treasurelists\n";
		3280	}
		3281
		3282	sub reload_resources {
		3283	warn "reloading resource files...\n";
		3284
		3285	reload_regions;
		3286	reload_facedata;
		3287	#reload_archetypes;#d#
		3288	reload_archetypes;
		3289	reload_treasures;
		3290
		3291	warn "finished reloading resource files\n";
		3292	}
		3293
		3294	sub init {
		3295	reload_resources;
		3296	}
		3297
		3298	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3299	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3300	or return;
2204		3301
2205	local $/;	3302	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3303	*CFG = YAML::Syck::Load <$fh>;
2207		3304
…		…
2221		3318
2222	sub main {	3319	sub main {
2223	# we must not ever block the main coroutine	3320	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3321	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3322	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2226	async { Event::one_event };	3323	(async {
		3324	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3325	EV::loop EV::LOOP_ONESHOT;
		3326	})->prio (Coro::PRIO_MAX);
2227	};	3327	};
2228		3328
2229	cfg_load;	3329	reload_config;
2230	db_load;	3330	db_init;
2231	load_extensions;	3331	load_extensions;
		3332
		3333	$TICK_WATCHER->start;
		3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2232	Event::loop;	3335	EV::loop;
2233	}	3336	}
2234		3337
2235	#############################################################################	3338	#############################################################################
2236	# initialisation and cleanup	3339	# initialisation and cleanup
2237		3340
2238	# install some emergency cleanup handlers	3341	# install some emergency cleanup handlers
2239	BEGIN {	3342	BEGIN {
		3343	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3344	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3345	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3346	cf::cleanup "SIG$signal";
2246	},
2247	);	3347	};
		3348	}
		3349	}
		3350
		3351	sub write_runtime {
		3352	my $runtime = "$LOCALDIR/runtime";
		3353
		3354	# first touch the runtime file to show we are still running:
		3355	# the fsync below can take a very very long time.
		3356
		3357	IO::AIO::aio_utime $runtime, undef, undef;
		3358
		3359	my $guard = cf::lock_acquire "write_runtime";
		3360
		3361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3362	or return;
		3363
		3364	my $value = $cf::RUNTIME + 90 + 10;
		3365	# 10 is the runtime save interval, for a monotonic clock
		3366	# 60 allows for the watchdog to kill the server.
		3367
		3368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3369	and return;
		3370
		3371	# always fsync - this file is important
		3372	aio_fsync $fh
		3373	and return;
		3374
		3375	# touch it again to show we are up-to-date
		3376	aio_utime $fh, undef, undef;
		3377
		3378	close $fh
		3379	or return;
		3380
		3381	aio_rename "$runtime~", $runtime
		3382	and return;
		3383
		3384	warn "runtime file written.\n";
		3385
2248	}	3386	1
2249	}	3387	}
2250		3388
2251	sub emergency_save() {	3389	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3390	my $freeze_guard = cf::freeze_mainloop;
2253		3391
2254	warn "enter emergency perl save\n";	3392	warn "enter emergency perl save\n";
2255		3393
2256	cf::sync_job {	3394	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3395	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3396	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3397	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3398	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3399	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3400	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3401	$pl->valid or next;
		3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3403	$pl->save;
2265	}	3404	}
2266	warn "end emergency player save\n";	3405	warn "end emergency player save\n";
2267		3406
2268	warn "begin emergency map save\n";	3407	warn "begin emergency map save\n";
…		…
2270	my $map = $cf::MAP{$path} or next;	3409	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3410	$map->valid or next;
2272	$map->save;	3411	$map->save;
2273	}	3412	}
2274	warn "end emergency map save\n";	3413	warn "end emergency map save\n";
		3414
		3415	warn "begin emergency database checkpoint\n";
		3416	BDB::db_env_txn_checkpoint $DB_ENV;
		3417	warn "end emergency database checkpoint\n";
2275	};	3418	};
2276		3419
2277	warn "leave emergency perl save\n";	3420	warn "leave emergency perl save\n";
2278	}	3421	}
2279		3422
		3423	sub post_cleanup {
		3424	my ($make_core) = @_;
		3425
		3426	warn Carp::longmess "post_cleanup backtrace"
		3427	if $make_core;
		3428	}
		3429
2280	sub reload() {	3430	sub do_reload_perl() {
2281	# can/must only be called in main	3431	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3432	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3433	warn "can only reload from main coroutine";
2284	return;	3434	return;
2285	}	3435	}
2286		3436
2287	warn "reloading...";	3437	warn "reloading...";
2288		3438
2289	warn "freezing server";	3439	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3440
		3441	cf::sync_job {
		3442	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	3443	cf::emergency_save;
		3444	cf::write_runtime; # external watchdog should not bark
2292		3445
2293	warn "sync database to disk";	3446	warn "syncing database to disk";
2294	cf::db_sync;	3447	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3448
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3449	# if anything goes wrong in here, we should simply crash as we already saved
2299		3450
2300	warn "cancel all watchers";	3451	warn "flushing outstanding aio requests";
2301	for (Event::all_watchers) {	3452	for (;;) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3453	BDB::flush;
		3454	IO::AIO::flush;
		3455	Coro::cede_notself;
		3456	last unless IO::AIO::nreqs || BDB::nreqs;
		3457	warn "iterate...";
2303	}	3458	}
2304		3459
		3460	++$RELOAD;
		3461
2305	warn "cancel all extension coros";	3462	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3463	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3464	%EXT_CORO = ();
2308		3465
2309	warn "remove commands";	3466	warn "removing commands";
2310	%COMMAND = ();	3467	%COMMAND = ();
2311		3468
2312	warn "remove ext commands";	3469	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3470	%EXTCMD = ();
		3471	%EXTICMD = ();
2314		3472
2315	warn "unload/nuke all extensions";	3473	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3474	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3475	warn "... unloading $pkg";
2318		3476
2319	if (my $cb = $pkg->can ("unload")) {	3477	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3478	eval {
…		…
2325		3483
2326	warn "... nuking $pkg";	3484	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3485	Symbol::delete_package $pkg;
2328	}	3486	}
2329		3487
2330	warn "unload all perl modules loaded from $LIBDIR";	3488	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3489	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3490	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3491
2334	warn "removing <$k>";	3492	warn "... unloading $k";
2335	delete $INC{$k};	3493	delete $INC{$k};
2336		3494
2337	$k =~ s/\.pm$//;	3495	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3496	$k =~ s/\//::/g;
2339		3497
…		…
2342	}	3500	}
2343		3501
2344	Symbol::delete_package $k;	3502	Symbol::delete_package $k;
2345	}	3503	}
2346		3504
2347	warn "get rid of safe::, as good as possible";	3505	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3506	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3507	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3508
2351	warn "unload cf.pm \"a bit\"";	3509	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3510	delete $INC{"cf.pm"};
		3511	delete $INC{"cf/pod.pm"};
2353		3512
2354	# don't, removes xs symbols, too,	3513	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3514	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3515	#Symbol::delete_package __PACKAGE__;
2357		3516
		3517	warn "unload completed, starting to reload now";
		3518
2358	warn "reloading cf.pm";	3519	warn "reloading cf.pm";
2359	require cf;	3520	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3521	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3522
2362	warn "load config and database again";	3523	warn "loading config and database again";
2363	cf::cfg_load;	3524	cf::reload_config;
2364	cf::db_load;
2365		3525
2366	warn "load extensions";	3526	warn "loading extensions";
2367	cf::load_extensions;	3527	cf::load_extensions;
2368		3528
2369	warn "reattach attachments to objects/players";	3529	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3530	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3531	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3532	reattach $_ for values %MAP;
2373	};	3533	warn "reattaching attachments to players";
		3534	reattach $_ for values %PLAYER;
2374		3535
2375	if ($@) {	3536	warn "leaving sync_job";
		3537
		3538	1
		3539	} or do {
2376	warn $@;	3540	warn $@;
2377	warn "error while reloading, exiting.";	3541	warn "error while reloading, exiting.";
2378	exit 1;	3542	exit 1;
2379	}	3543	};
2380		3544
2381	warn "reloaded";	3545	warn "reloaded";
2382	};	3546	};
2383		3547
		3548	our $RELOAD_WATCHER; # used only during reload
		3549
		3550	sub reload_perl() {
		3551	# doing reload synchronously and two reloads happen back-to-back,
		3552	# coro crashes during coro_state_free->destroy here.
		3553
		3554	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3555	undef $RELOAD_WATCHER;
		3556	do_reload_perl;
		3557	};
		3558	}
		3559
2384	register_command "reload" => sub {	3560	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2386		3562
2387	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3564	$who->message ("reloading server.");
		3565	async {
		3566	$Coro::current->{desc} = "perl_reload";
		3567	reload_perl;
		3568	};
2391	}	3569	}
2392	};	3570	};
2393		3571
2394	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2395		3573
2396	$TICK_WATCHER = Event->timer (	3574	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		3575
		3576	our @WAIT_FOR_TICK;
		3577	our @WAIT_FOR_TICK_BEGIN;
		3578
		3579	sub wait_for_tick {
		3580	return unless $TICK_WATCHER->is_active;
		3581	return if $Coro::current == $Coro::main;
		3582
		3583	my $signal = new Coro::Signal;
		3584	push @WAIT_FOR_TICK, $signal;
		3585	$signal->wait;
		3586	}
		3587
		3588	sub wait_for_tick_begin {
		3589	return unless $TICK_WATCHER->is_active;
		3590	return if $Coro::current == $Coro::main;
		3591
		3592	my $signal = new Coro::Signal;
		3593	push @WAIT_FOR_TICK_BEGIN, $signal;
		3594	$signal->wait;
		3595	}
		3596
		3597	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
		3598	if ($Coro::current != $Coro::main) {
		3599	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3600	unless ++$bug_warning > 10;
		3601	return;
		3602	}
		3603
		3604	$NOW = $tick_start = EV::now;
		3605
2404	cf::server_tick; # one server iteration	3606	cf::server_tick; # one server iteration
		3607
2405	$RUNTIME += $TICK;	3608	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3609	$NEXT_TICK += $TICK;
2407		3610
2408	$WAIT_FOR_TICK->broadcast;	3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3612	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2410		3613	Coro::async_pool {
2411	# if we are delayed by four ticks or more, skip them all	3614	$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	3615	write_runtime
2436	or warn "ERROR: unable to write runtime file: $!";	3616	or warn "ERROR: unable to write runtime file: $!";
2437	})->();	3617	};
2438	},	3618	}
2439	);	3619
		3620	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3621	$sig->send;
		3622	}
		3623	while (my $sig = shift @WAIT_FOR_TICK) {
		3624	$sig->send;
		3625	}
		3626
		3627	$LOAD = ($NOW - $tick_start) / $TICK;
		3628	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3629
		3630	_post_tick;
		3631	};
		3632	$TICK_WATCHER->priority (EV::MAXPRI);
		3633
		3634	{
		3635	# configure BDB
		3636
		3637	BDB::min_parallel 8;
		3638	BDB::max_poll_reqs $TICK * 0.1;
		3639	$Coro::BDB::WATCHER->priority (1);
		3640
		3641	unless ($DB_ENV) {
		3642	$DB_ENV = BDB::db_env_create;
		3643	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3644	| BDB::LOG_AUTOREMOVE, 1);
		3645	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3646	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3647
		3648	cf::sync_job {
		3649	eval {
		3650	BDB::db_env_open
		3651	$DB_ENV,
		3652	$BDBDIR,
		3653	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3654	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3655	0666;
		3656
		3657	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3658	};
		3659
		3660	cf::cleanup "db_env_open(db): $@" if $@;
		3661	};
		3662	}
		3663
		3664	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3665	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3666	};
		3667	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3668	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3669	};
		3670	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3671	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3672	};
		3673	}
		3674
		3675	{
		3676	# configure IO::AIO
		3677
		3678	IO::AIO::min_parallel 8;
		3679	IO::AIO::max_poll_time $TICK * 0.1;
		3680	$Coro::AIO::WATCHER->priority (1);
		3681	}
		3682
		3683	my $_log_backtrace;
		3684
		3685	sub _log_backtrace {
		3686	my ($msg, @addr) = @_;
		3687
		3688	$msg =~ s/\n//;
		3689
		3690	# limit the # of concurrent backtraces
		3691	if ($_log_backtrace < 2) {
		3692	++$_log_backtrace;
		3693	async {
		3694	$Coro::current->{desc} = "abt $msg";
		3695
		3696	my @bt = fork_call {
		3697	@addr = map { sprintf "%x", $_ } @addr;
		3698	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3699	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3700	or die "addr2line: $!";
		3701
		3702	my @funcs;
		3703	my @res = <$fh>;
		3704	chomp for @res;
		3705	while (@res) {
		3706	my ($func, $line) = splice @res, 0, 2, ();
		3707	push @funcs, "[$func] $line";
		3708	}
		3709
		3710	@funcs
		3711	};
		3712
		3713	LOG llevInfo, "[ABT] $msg\n";
		3714	LOG llevInfo, "[ABT] $_\n" for @bt;
		3715	--$_log_backtrace;
		3716	};
		3717	} else {
		3718	LOG llevInfo, "[ABT] $msg\n";
		3719	LOG llevInfo, "[ABT] [suppressed]\n";
		3720	}
		3721	}
		3722
		3723	# load additional modules
		3724	use cf::pod;
2440		3725
2441	END { cf::emergency_save }	3726	END { cf::emergency_save }
2442		3727
2443	1	3728	1
2444		3729

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