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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.110 by root, Mon Jan 1 11:21:55 2007 UTC vs.
Revision 1.368 by root, Wed Sep 12 11:18:25 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 Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3;	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
		28	use Data::Dumper;
20	use Digest::MD5;	29	use Digest::MD5;
21	use Fcntl;	30	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.32 ();
24	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
25		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
27		44
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
30		47
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		49
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		51
35	our %COMMAND = ();	52	our %COMMAND = ();
36	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
38		60
		61	our $RELOAD; # number of reloads so far
39	our @EVENT;	62	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		63
42	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	80	our $NEXT_TICK;
45	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
		87	our $DB_ENV;
46		88
47	our %CFG;	89	our %CFG;
48		90
49	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	92	our $RUNTIME;
51		93
52	our %MAP; # all maps	94	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	95	our (%MAP, %MAP_LOADING ); # all maps
54	our $FREEZE;	96	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	97
56	our %EXT_CORO;	98	# used to convert map paths into valid unix filenames by replacing / by ∕
		99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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 $tick_start; # for load detecting purposes
57		104
58	binmode STDOUT;	105	binmode STDOUT;
59	binmode STDERR;	106	binmode STDERR;
60		107
61	# read virtual server time, if available	108	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
66	}	113	}
67		114
68	mkdir cf::localdir;	115	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		117
74	# a special map that is always available	118	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		119
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	120	sub cf::map::normalise;
78		121
79	#############################################################################	122	#############################################################################
80		123
81	=head2 GLOBAL VARIABLES	124	=head2 GLOBAL VARIABLES
82		125
…		…
89	=item $cf::RUNTIME	132	=item $cf::RUNTIME
90		133
91	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
92	every server tick.	135	every server tick.
93		136
94	=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
95		140
96	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		145
99	=item $cf::NOW	146	=item $cf::NOW
100		147
101	The time of the last (current) server tick.	148	The time of the last (current) server tick.
102		149
103	=item $cf::TICK	150	=item $cf::TICK
104		151
105	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
		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.
106		163
107	=item %cf::CFG	164	=item %cf::CFG
108		165
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	167	from wherever your confdir points to.
		168
		169	=item cf::wait_for_tick, cf::wait_for_tick_begin
		170
		171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		172	returns directly I<after> the tick processing (and consequently, can only wake one process
		173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		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.
111		180
112	=back	181	=back
113		182
114	=cut	183	=cut
115		184
116	BEGIN {	185	BEGIN {
117	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	187	my $msg = join "", @_;
119	utf8::encode $msg;
120		188
121	$msg .= "\n"	189	$msg .= "\n"
122	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
123		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		193
124	LOG llevError, "cfperl: $msg";	194	LOG llevError, $msg;
125	};	195	};
126	}	196	}
127		197
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@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';
133	@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)
134		205
135	# 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
136	# within the Safe compartment.	207	# within the Safe compartment.
137	for my $pkg (qw(	208	for my $pkg (qw(
138	cf::global cf::attachable	209	cf::global cf::attachable
…		…
147		218
148	$Event::DIED = sub {	219	$Event::DIED = sub {
149	warn "error in event callback: @_";	220	warn "error in event callback: @_";
150	};	221	};
151		222
152	my %ext_pkg;	223	#############################################################################
153	my @exts;
154	my @hook;
155		224
156	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
157		226
158	=over 4	227	=over 4
159		228
160	=cut	229	=item dumpval $ref
161		230
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	231	=cut
		232
		233	sub dumpval {
		234	eval {
		235	local $SIG{__DIE__};
		236	my $d;
		237	if (1) {
		238	$d = new Data::Dumper([$_[0]], ["*var"]);
		239	$d->Terse(1);
		240	$d->Indent(2);
		241	$d->Quotekeys(0);
		242	$d->Useqq(1);
		243	#$d->Bless(...);
		244	$d->Seen($_[1]) if @_ > 1;
		245	$d = $d->Dump();
		246	}
		247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		248	$d
		249	} || "[unable to dump $_[0]: '$@']";
		250	}
163		251
164	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
165		253
166	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
167		255
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
176		257
177	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
178		259
179	=cut	260	=cut
180		261
181	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
183	JSON::Syck::Dump $_[0]	264	sub to_json ($) { $json_coder->encode ($_[0]) }
		265	sub from_json ($) { $json_coder->decode ($_[0]) }
		266
		267	=item cf::lock_wait $string
		268
		269	Wait until the given lock is available. See cf::lock_acquire.
		270
		271	=item my $lock = cf::lock_acquire $string
		272
		273	Wait until the given lock is available and then acquires it and returns
		274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		275	for example when the coroutine gets canceled), the lock is automatically
		276	returned.
		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
		281	Lock names should begin with a unique identifier (for example, cf::map::find
		282	uses map_find and cf::map::load uses map_load).
		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
		288	=cut
		289
		290	our %LOCK;
		291	our %LOCKER;#d#
		292
		293	sub lock_wait($) {
		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#
		300
		301	# wait for lock, if any
		302	while ($LOCK{$key}) {
		303	push @{ $LOCK{$key} }, $Coro::current;
		304	Coro::schedule;
		305	}
184	}	306	}
		307
		308	sub lock_acquire($) {
		309	my ($key) = @_;
		310
		311	# wait, to be sure we are not locked
		312	lock_wait $key;
		313
		314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
		316
		317	Coro::guard {
		318	delete $LOCKER{$key};#d#
		319	# wake up all waiters, to be on the safe side
		320	$_->ready for @{ delete $LOCK{$key} };
		321	}
		322	}
		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
		328	}
		329
		330	sub freeze_mainloop {
		331	return unless $TICK_WATCHER->is_active;
		332
		333	my $guard = Coro::guard {
		334	$TICK_WATCHER->start;
		335	};
		336	$TICK_WATCHER->stop;
		337	$guard
		338	}
		339
		340	=item cf::get_slot $time[, $priority[, $name]]
		341
		342	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		343	This call blocks and returns only when you have at least C<$time> seconds
		344	of cpu time till the next tick. The slot is only valid till the next cede.
		345
		346	The optional C<$name> can be used to identify the job to run. It might be
		347	used for statistical purposes and should identify the same time-class.
		348
		349	Useful for short background jobs.
		350
		351	=cut
		352
		353	our @SLOT_QUEUE;
		354	our $SLOT_QUEUE;
		355
		356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		357	$SLOT_QUEUE = Coro::async {
		358	my $signal = new Coro::Signal;
		359
		360	while () {
		361	next_job:
		362	my $avail = cf::till_tick;
		363	if ($avail > 0.01) {
		364	for (0 .. $#SLOT_QUEUE) {
		365	if ($SLOT_QUEUE[$_][0] < $avail) {
		366	my $job = splice @SLOT_QUEUE, $_, 1, ();
		367	$job->[2]->send;
		368	Coro::cede;
		369	goto next_job;
		370	}
		371	}
		372	}
		373
		374	if (@SLOT_QUEUE) {
		375	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		376	push @cf::WAIT_FOR_TICK, $signal;
		377	$signal->wait;
		378	} else {
		379	Coro::schedule;
		380	}
		381	}
		382	};
		383
		384	sub get_slot($;$$) {
		385	my ($time, $pri, $name) = @_;
		386
		387	$time = $TICK * .6 if $time > $TICK * .6;
		388	my $sig = new Coro::Signal;
		389
		390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		392	$SLOT_QUEUE->ready;
		393	$sig->wait;
		394	}
		395
		396	=item cf::async { BLOCK }
		397
		398	Currently the same as Coro::async_pool, meaning you cannot use
		399	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		400	thing you are allowed to do is call C<prio> on it.
		401
		402	=cut
		403
		404	BEGIN { *async = \&Coro::async_pool }
185		405
186	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
187		407
188	The design of crossfire+ requires that the main coro ($Coro::main) is	408	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
189	always able to handle events or runnable, as crossfire+ is only partly	409	is always able to handle events or runnable, as Crossfire TRT is only
190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		411	acceptable.
191		412
192	If it must be done, put the blocking parts into C<sync_job>. This will run	413	If it must be done, put the blocking parts into C<sync_job>. This will run
193	the given BLOCK in another coroutine while waiting for the result. The	414	the given BLOCK in another coroutine while waiting for the result. The
194	server will be frozen during this time, so the block should either finish	415	server will be frozen during this time, so the block should either finish
195	fast or be very important.	416	fast or be very important.
…		…
197	=cut	418	=cut
198		419
199	sub sync_job(&) {	420	sub sync_job(&) {
200	my ($job) = @_;	421	my ($job) = @_;
201		422
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
		426	# this is the main coro, too bad, we have to block
		427	# till the operation succeeds, freezing the server :/
		428
212	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	430	# (but this is cancel-safe)
		431	my $freeze_guard = freeze_mainloop;
		432
		433	my $busy = 1;
		434	my @res;
		435
		436	(async {
		437	@res = eval { $job->() };
		438	warn $@ if $@;
		439	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	440	})->prio (Coro::PRIO_MAX);
		441
215	while ($busy) {	442	while ($busy) {
216	Coro::cede_notself;	443	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	444	}
		445
		446	$time = Event::time - $time;
		447
		448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		450
		451	$tick_start += $time; # do not account sync jobs to server load
		452
		453	wantarray ? @res : $res[0]
219	} else {	454	} else {
220	$coro->join;	455	# we are in another coroutine, how wonderful, everything just works
		456
		457	$job->()
221	}	458	}
222
223	wantarray ? @res : $res[0]
224	}	459	}
225		460
226	=item $coro = cf::coro { BLOCK }	461	=item $coro = cf::async_ext { BLOCK }
227		462
228	Creates and returns a new coro. This coro is automcatially being canceled	463	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	464	extension calling this is being unloaded.
230		465
231	=cut	466	=cut
232		467
233	sub coro(&) {	468	sub async_ext(&) {
234	my $cb = shift;	469	my $cb = shift;
235		470
236	my $coro; $coro = async {	471	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		472
243	$coro->on_destroy (sub {	473	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	474	delete $EXT_CORO{$coro+0};
245	});	475	});
246	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
247		477
248	$coro	478	$coro
249	}	479	}
250		480
251	sub write_runtime {	481	=item fork_call { }, $args
252	my $runtime = cf::localdir . "/runtime";
253		482
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	483	Executes the given code block with the given arguments in a seperate
255	or return;	484	process, returning the results. Everything must be serialisable with
		485	Coro::Storable. May, of course, block. Note that the executed sub may
		486	never block itself or use any form of Event handling.
256		487
257	my $value = $cf::RUNTIME;	488	=cut
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;
260		489
261	aio_fsync $fh	490	sub fork_call(&@) {
262	and return;	491	my ($cb, @args) = @_;
263		492
264	close $fh	493	# we seemingly have to make a local copy of the whole thing,
265	or return;	494	# otherwise perl prematurely frees the stuff :/
		495	# TODO: investigate and fix (likely this will be rather laborious)
266		496
267	aio_rename "$runtime~", $runtime	497	my @res = Coro::Util::fork_eval {
268	and return;	498	reset_signals;
		499	&$cb
		500	}, @args;
269		501
		502	wantarray ? @res : $res[-1]
		503	}
		504
		505	=item $value = cf::db_get $family => $key
		506
		507	Returns a single value from the environment database.
		508
		509	=item cf::db_put $family => $key => $value
		510
		511	Stores the given C<$value> in the family. It can currently store binary
		512	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		513
		514	=item $db = cf::db_table "name"
		515
		516	Create and/or open a new database table. The string must not be "db" and must be unique
		517	within each server.
		518
		519	=cut
		520
		521	sub db_table($) {
		522	my ($name) = @_;
		523	my $db = BDB::db_create $DB_ENV;
		524
		525	eval {
		526	$db->set_flags (BDB::CHKSUM);
		527
		528	utf8::encode $name;
		529	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		530	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		531	cf::cleanup "db_open(db): $!" if $!;
		532	};
		533	cf::cleanup "db_open(db): $@" if $@;
		534
		535	$db
		536	}
		537
		538	our $DB;
		539
		540	sub db_init {
		541	cf::sync_job {
		542	$DB ||= db_table "db";
		543	};
		544	}
		545
		546	sub db_get($$) {
		547	my $key = "$_[0]/$_[1]";
		548
		549	cf::sync_job {
		550	BDB::db_get $DB, undef, $key, my $data;
		551
		552	$! ? ()
		553	: $data
270	1	554	}
		555	}
		556
		557	sub db_put($$$) {
		558	BDB::dbreq_pri 4;
		559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		560	}
		561
		562	=item cf::cache $id => [$paths...], $processversion => $process
		563
		564	Generic caching function that returns the value of the resource $id,
		565	caching and regenerating as required.
		566
		567	This function can block.
		568
		569	=cut
		570
		571	sub cache {
		572	my ($id, $src, $processversion, $process) = @_;
		573
		574	my $meta =
		575	join "\x00",
		576	$processversion,
		577	map {
		578	aio_stat $_
		579	and Carp::croak "$_: $!";
		580
		581	($_, (stat _)[7,9])
		582	} @$src;
		583
		584	my $dbmeta = db_get cache => "$id/meta";
		585	if ($dbmeta ne $meta) {
		586	# changed, we may need to process
		587
		588	my @data;
		589	my $md5;
		590
		591	for (0 .. $#$src) {
		592	0 <= aio_load $src->[$_], $data[$_]
		593	or Carp::croak "$src->[$_]: $!";
		594	}
		595
		596	# if processing is expensive, check
		597	# checksum first
		598	if (1) {
		599	$md5 =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	cf::cede_to_tick;
		604	($src->[$_], Digest::MD5::md5_hex $data[$_])
		605	} 0.. $#$src;
		606
		607
		608	my $dbmd5 = db_get cache => "$id/md5";
		609	if ($dbmd5 eq $md5) {
		610	db_put cache => "$id/meta", $meta;
		611
		612	return db_get cache => "$id/data";
		613	}
		614	}
		615
		616	my $t1 = Time::HiRes::time;
		617	my $data = $process->(\@data);
		618	my $t2 = Time::HiRes::time;
		619
		620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		621
		622	db_put cache => "$id/data", $data;
		623	db_put cache => "$id/md5" , $md5;
		624	db_put cache => "$id/meta", $meta;
		625
		626	return $data;
		627	}
		628
		629	db_get cache => "$id/data"
		630	}
		631
		632	=item cf::datalog type => key => value, ...
		633
		634	Log a datalog packet of the given type with the given key-value pairs.
		635
		636	=cut
		637
		638	sub datalog($@) {
		639	my ($type, %kv) = @_;
		640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
271	}	641	}
272		642
273	=back	643	=back
274		644
275	=cut	645	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($class, $path, $base) = @_;
283
284	$path = $path->as_string if ref $path;
285
286	my $self = bless { }, $class;
287
288	if ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;
291	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;
294
295	if (defined $1) {
296	$self->{user} = $1;
297	} elsif ($base =~ m{^~([^/]+)/}) {
298	$self->{user} = $1;
299	} else {
300	warn "cannot resolve user-relative path without user <$path,$base>\n";
301	}
302	} elsif ($path =~ /^\//) {
303	# already absolute
304	} else {
305	$base =~ s{[^/]+/?$}{};
306	return $class->new ("$base/$path");
307	}
308
309	for ($path) {
310	redo if s{/\.?/}{/};
311	redo if s{/[^/]+/\.\./}{/};
312	}
313	}
314
315	$self->{path} = $path;
316
317	$self
318	}
319
320	# the name / primary key / in-game path
321	sub as_string {
322	my ($self) = @_;
323
324	$self->{user_rel} ? "~$self->{user}$self->{path}"
325	: $self->{random} ? "?random/$self->{path}"
326	: $self->{path}
327	}
328
329	# the displayed name, this is a one way mapping
330	sub visible_name {
331	my ($self) = @_;
332
333	# if (my $rmp = $self->{random}) {
334	# # todo: be more intelligent about this
335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
336	# } else {
337	$self->as_string
338	# }
339	}
340
341	# escape the /'s in the path
342	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;
345	$path
346	}
347
348	# the original (read-only) location
349	sub load_path {
350	my ($self) = @_;
351
352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
353	}
354
355	# the temporary/swap location
356	sub save_path {
357	my ($self) = @_;
358
359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}
363
364	# the unique path, might be eq to save_path
365	sub uniq_path {
366	my ($self) = @_;
367
368	$self->{user_rel} || $self->{random}
369	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
371	}
372
373	# return random map parameters, or undef
374	sub random_map_params {
375	my ($self) = @_;
376
377	$self->{random}
378	}
379
380	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}
383	}
384
385	package cf;
386		646
387	#############################################################################	647	#############################################################################
388		648
389	=head2 ATTACHABLE OBJECTS	649	=head2 ATTACHABLE OBJECTS
390		650
…		…
392	attach callbacks/event handlers (a collection of which is called an "attachment")	652	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
394		654
395	In the following description, CLASS can be any of C<global>, C<object>	655	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	656	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	657	Crossfire TRT).
398		658
399	=over 4	659	=over 4
400		660
401	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
402		662
…		…
516	our @CB_TYPE = (); # registry for type (cf-object class) based events	776	our @CB_TYPE = (); # registry for type (cf-object class) based events
517	our @CB_MAP = ();	777	our @CB_MAP = ();
518		778
519	my %attachment;	779	my %attachment;
520		780
		781	sub cf::attachable::thawer_merge {
		782	# simply override everything except _meta
		783	local $_[0]{_meta};
		784	%{$_[0]} = %{$_[1]};
		785	}
		786
521	sub _attach_cb($$$$) {	787	sub _attach_cb($$$$) {
522	my ($registry, $event, $prio, $cb) = @_;	788	my ($registry, $event, $prio, $cb) = @_;
523		789
524	use sort 'stable';	790	use sort 'stable';
525		791
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
560		826
561	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		831
566	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	833	my $pkg = shift @arg;
568		834
569	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
599	}	865	}
600		866
601	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
602	} else {	868	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	870	}
605		871
606	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
607	}	873	}
608		874
…		…
610	if (ref $_[0]) {	876	if (ref $_[0]) {
611	_object_attach @_;	877	_object_attach @_;
612	} else {	878	} else {
613	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
614	}	880	}
		881	_recalc_want;
615	};	882	};
616		883
617	# all those should be optimised	884	# all those should be optimised
618	sub cf::attachable::detach {	885	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
623	reattach ($obj);	890	reattach ($obj);
624	} else {	891	} else {
625	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
626	}	893	}
		894	_recalc_want;
627	};	895	};
628		896
629	sub cf::attachable::attached {	897	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
631		899
…		…
646	";	914	";
647	die if $@;	915	die if $@;
648	}	916	}
649		917
650	our $override;	918	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	919	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		920
653	sub override {	921	sub override {
654	$override = 1;	922	$override = 1;
655	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
656	}	924	}
657		925
658	sub do_invoke {	926	sub do_invoke {
659	my $event = shift;	927	my $event = shift;
660	my $callbacks = shift;	928	my $callbacks = shift;
661		929
662	@invoke_results = ();	930	@INVOKE_RESULTS = ();
663		931
664	local $override;	932	local $override;
665		933
666	for (@$callbacks) {	934	for (@$callbacks) {
667	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
684		952
685	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
686		954
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	955	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
688	removed in future versions), and there is no public API to access override	956	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		958
691	=back	959	=back
692		960
693	=cut	961	=cut
694		962
695	#############################################################################	963	#############################################################################
696	# object support	964	# object support
		965	#
		966
		967	sub _can_merge {
		968	my ($ob1, $ob2) = @_;
		969
		970	local $Storable::canonical = 1;
		971	my $fob1 = Storable::freeze $ob1;
		972	my $fob2 = Storable::freeze $ob2;
		973
		974	$fob1 eq $fob2
		975	}
697		976
698	sub reattach {	977	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	979	my ($obj) = @_;
		980
		981	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		982
702	my $registry = $obj->registry;	983	my $registry = $obj->registry;
703		984
704	@$registry = ();	985	@$registry = ();
705		986
…		…
744	);	1025	);
745		1026
746	sub object_freezer_save {	1027	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
748		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
749	sync_job {	1032	sync_job {
750	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
753		1037
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1041	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1042	close $fh;
759		1043
760	if (@$objs) {	1044	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1045	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1046	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1047	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1048	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1049	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1050	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1051	aio_rename "$filename.pst~", "$filename.pst";
768	}	1052	}
769	} else {	1053	} else {
770	aio_unlink "$filename.pst";	1054	aio_unlink "$filename.pst";
…		…
776	}	1060	}
777	} else {	1061	} else {
778	aio_unlink $filename;	1062	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
780	}	1064	}
781	}	1065	};
		1066
		1067	undef $guard;
782	}	1068	}
783		1069
784	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
786		1072
…		…
791		1077
792	sub object_thawer_load {	1078	sub object_thawer_load {
793	my ($filename) = @_;	1079	my ($filename) = @_;
794		1080
795	my ($data, $av);	1081	my ($data, $av);
		1082
		1083	my $guard = cf::lock_acquire "io";
796		1084
797	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
798	or return;	1086	or return;
799		1087
800	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
802	or return;	1090	or return;
		1091
		1092	undef $guard;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
804	}	1094	}
805		1095
		1096	utf8::decode (my $decname = $filename);
		1097	warn sprintf "loading %s (%d,%d)\n",
		1098	$decname, length $data, scalar @{$av || []};
		1099
806	return ($data, $av);	1100	($data, $av)
807	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
808		1108
809	#############################################################################	1109	#############################################################################
810	# command handling &c	1110	# command handling &c
811		1111
812	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1126	}
827		1127
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1129
830	Register a callbackf ro execution when the client sends an extcmd packet.	1130	Register a callback for execution when the client sends an (synchronous)
		1131	extcmd packet. Ext commands will be processed in the order they are
		1132	received by the server, like other user commands. The first argument is
		1133	the logged-in player. Ext commands can only be processed after a player
		1134	has logged in successfully.
831		1135
832	If the callback returns something, it is sent back as if reply was being	1136	If the callback returns something, it is sent back as if reply was being
833	called.	1137	called.
834		1138
		1139	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1140
		1141	Register a callback for execution when the client sends an (asynchronous)
		1142	exticmd packet. Exti commands are processed by the server as soon as they
		1143	are received, i.e. out of order w.r.t. other commands. The first argument
		1144	is a client socket. Exti commands can be received anytime, even before
		1145	log-in.
		1146
		1147	If the callback returns something, it is sent back as if reply was being
		1148	called.
		1149
835	=cut	1150	=cut
836		1151
837	sub register_extcmd {	1152	sub register_extcmd {
838	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
839		1154
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
844	}	1162	}
845		1163
846	cf::player->attach (	1164	cf::player->attach (
847	on_command => sub {	1165	on_command => sub {
848	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
857	cf::override;	1175	cf::override;
858	},	1176	},
859	on_extcmd => sub {	1177	on_extcmd => sub {
860	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
861		1179
862	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
863		1181
864	if (ref $msg) {	1182	if (ref $msg) {
		1183	my ($type, $reply, @payload) =
		1184	"ARRAY" eq ref $msg
		1185	? @$msg
		1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1187
		1188	my @reply;
		1189
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
867	$pl->ext_reply ($msg->{msgid}, %reply);
868	}
869	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
870	} else {	1197	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
872	}	1199	}
873		1200
874	cf::override;	1201	cf::override;
875	},	1202	},
876	);	1203	);
877		1204
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
		1209	for my $path (<$LIBDIR/*.ext>) {
		1210	next unless -r $path;
		1211
		1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
		1269	}
		1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
		1275	};
		1276	}
		1277
		1278	#############################################################################
		1279
		1280	=back
		1281
		1282	=head2 CORE EXTENSIONS
		1283
		1284	Functions and methods that extend core crossfire objects.
		1285
		1286	=cut
		1287
		1288	package cf::player;
		1289
		1290	use Coro::AIO;
		1291
		1292	=head3 cf::player
		1293
		1294	=over 4
		1295
		1296	=item cf::player::num_playing
		1297
		1298	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1299
		1300	=cut
		1301
		1302	sub num_playing {
		1303	scalar grep
		1304	$_->ob->map
		1305	&& !$_->hidden
		1306	&& !$_->ob->flag (cf::FLAG_WIZ),
		1307	cf::player::list
		1308	}
		1309
		1310	=item cf::player::find $login
		1311
		1312	Returns the given player object, loading it if necessary (might block).
		1313
		1314	=cut
		1315
		1316	sub playerdir($) {
		1317	"$PLAYERDIR/"
		1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1319	}
		1320
		1321	sub path($) {
		1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1323
		1324	(playerdir $login) . "/playerdata"
		1325	}
		1326
		1327	sub find_active($) {
		1328	$cf::PLAYER{$_[0]}
		1329	and $cf::PLAYER{$_[0]}->active
		1330	and $cf::PLAYER{$_[0]}
		1331	}
		1332
		1333	sub exists($) {
		1334	my ($login) = @_;
		1335
		1336	$cf::PLAYER{$login}
		1337	or cf::sync_job { !aio_stat path $login }
		1338	}
		1339
		1340	sub find($) {
		1341	return $cf::PLAYER{$_[0]} || do {
		1342	my $login = $_[0];
		1343
		1344	my $guard = cf::lock_acquire "user_find:$login";
		1345
		1346	$cf::PLAYER{$_[0]} || do {
		1347	# rename old playerfiles to new ones
		1348	#TODO: remove when no longer required
		1349	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1350	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1351	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1352	aio_unlink +(playerdir $login) . "/$login.pl";
		1353
		1354	my $f = new_from_file cf::object::thawer path $login
		1355	or return;
		1356
		1357	$f->next;
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
		1362	$cf::PLAYER{$login} = $pl
		1363	}
		1364	}
		1365	}
		1366
		1367	sub save($) {
		1368	my ($pl) = @_;
		1369
		1370	return if $pl->{deny_save};
		1371
		1372	my $path = path $pl;
		1373	my $guard = cf::lock_acquire "user_save:$path";
		1374
		1375	return if $pl->{deny_save};
		1376
		1377	aio_mkdir playerdir $pl, 0770;
		1378	$pl->{last_save} = $cf::RUNTIME;
		1379
		1380	$pl->save_pl ($path);
		1381	cf::cede_to_tick;
		1382	}
		1383
		1384	sub new($) {
		1385	my ($login) = @_;
		1386
		1387	my $self = create;
		1388
		1389	$self->ob->name ($login);
		1390	$self->{deny_save} = 1;
		1391
		1392	$cf::PLAYER{$login} = $self;
		1393
		1394	$self
		1395	}
		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
		1407	=item $pl->quit_character
		1408
		1409	Nukes the player without looking back. If logged in, the connection will
		1410	be destroyed. May block for a long time.
		1411
		1412	=cut
		1413
		1414	sub quit_character {
		1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
		1418
		1419	$pl->{deny_save} = 1;
		1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1421
		1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1423	$pl->deactivate;
		1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1425	$pl->ns->destroy if $pl->ns;
		1426
		1427	my $path = playerdir $pl;
		1428	my $temp = "$path~$cf::RUNTIME~deleting~";
		1429	aio_rename $path, $temp;
		1430	delete $cf::PLAYER{$pl->ob->name};
		1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
		1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
		1453	}
		1454
		1455	=item cf::player::list_logins
		1456
		1457	Returns am arrayref of all valid playernames in the system, can take a
		1458	while and may block, so not sync_job-capable, ever.
		1459
		1460	=cut
		1461
		1462	sub list_logins {
		1463	my $dirs = aio_readdir $PLAYERDIR
		1464	or return [];
		1465
		1466	my @logins;
		1467
		1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
		1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1474	aio_read $fh, 0, 512, my $buf, 0 or next;
		1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
		1477
		1478	utf8::decode $login;
		1479	push @logins, $login;
		1480	}
		1481
		1482	\@logins
		1483	}
		1484
		1485	=item $player->maps
		1486
		1487	Returns an arrayref of map paths that are private for this
		1488	player. May block.
		1489
		1490	=cut
		1491
		1492	sub maps($) {
		1493	my ($pl) = @_;
		1494
		1495	$pl = ref $pl ? $pl->ob->name : $pl;
		1496
		1497	my $files = aio_readdir playerdir $pl
		1498	or return;
		1499
		1500	my @paths;
		1501
		1502	for (@$files) {
		1503	utf8::decode $_;
		1504	next if /\.(?:pl|pst)$/;
		1505	next unless /^$PATH_SEP/o;
		1506
		1507	push @paths, cf::map::normalise "~$pl/$_";
		1508	}
		1509
		1510	\@paths
		1511	}
		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
		1564	=item $player->ext_reply ($msgid, @msg)
		1565
		1566	Sends an ext reply to the player.
		1567
		1568	=cut
		1569
		1570	sub ext_reply($$@) {
		1571	my ($self, $id, @msg) = @_;
		1572
		1573	$self->ns->ext_reply ($id, @msg)
		1574	}
		1575
		1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
885	my ($path) = @_;	1603	my ($path) = @_;
886		1604
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1605	my ($match, $specificity);
888	my $base = $1;
889	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";
892		1606
893	warn "loading '$path' into '$pkg'\n";	1607	for my $region (list) {
894		1608	if ($region->{match} && $path =~ $region->{match}) {
895	open my $fh, "<:utf8", $path	1609	($match, $specificity) = ($region, $region->specificity)
896	or die "$path: $!";	1610	if $region->specificity > $specificity;
897		1611	}
898	my $source =
899	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })
902	. "\n};\n1";
903
904	eval $source
905	or die $@ ? "$path: $@\n"
906	: "extension disabled.\n";
907
908	push @exts, $pkg;
909	$ext_pkg{$base} = $pkg;
910
911	# no strict 'refs';
912	# @{"$pkg\::ISA"} = ext::;
913
914	register $base, $pkg;
915	}
916
917	sub unload_extension {
918	my ($pkg) = @_;
919
920	warn "removing extension $pkg\n";
921
922	# remove hooks
923	#TODO
924	# for my $idx (0 .. $#PLUGIN_EVENT) {
925	# delete $hook[$idx]{$pkg};
926	# }	1612	}
927		1613
928	# remove commands	1614	$match
929	for my $name (keys %COMMAND) {
930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
931
932	if (@cb) {
933	$COMMAND{$name} = \@cb;
934	} else {
935	delete $COMMAND{$name};
936	}
937	}
938
939	# remove extcmds
940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
941	delete $EXTCMD{$name};
942	}
943
944	if (my $cb = $pkg->can ("unload")) {
945	eval {
946	$cb->($pkg);
947	1
948	} or warn "$pkg unloaded, but with errors: $@";
949	}
950
951	Symbol::delete_package $pkg;
952	}
953
954	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;
957	eval {
958	load_extension $ext;
959	1
960	} or warn "$ext not loaded: $@";
961	}
962	}
963
964	#############################################################################
965	# load/save/clean perl data associated with a map
966
967	*cf::mapsupport::on_clean = sub {
968	my ($map) = @_;
969
970	my $path = $map->tmpname;
971	defined $path or return;
972
973	unlink "$path.pst";
974	};
975
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977
978	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->inv), @_
983	}
984
985	# TODO: compatibility cruft, remove when no longer needed
986	cf::player->attach (
987	on_load => sub {
988	my ($pl, $path) = @_;
989
990	for my $o (all_objects $pl->ob) {
991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
992	$o->set_ob_key_value ("_perl_data");
993
994	%$o = %{ Storable::thaw pack "H*", $value };
995	}
996	}
997	},
998	);
999
1000	#############################################################################
1001
1002	=head2 CORE EXTENSIONS
1003
1004	Functions and methods that extend core crossfire objects.
1005
1006	=head3 cf::player
1007
1008	=over 4
1009
1010	=item cf::player::exists $login
1011
1012	Returns true when the given account exists.
1013
1014	=cut
1015
1016	sub cf::player::exists($) {
1017	cf::player::find $_[0]
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1019	}
1020
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022
1023	Sends an ext reply to the player.
1024
1025	=cut
1026
1027	sub cf::player::ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;
1029
1030	$msg{msgid} = $id;
1031
1032	$self->send ("ext " . to_json \%msg);
1033	}	1615	}
1034		1616
1035	=back	1617	=back
1036
1037		1618
1038	=head3 cf::map	1619	=head3 cf::map
1039		1620
1040	=over 4	1621	=over 4
1041		1622
…		…
1044	package cf::map;	1625	package cf::map;
1045		1626
1046	use Fcntl;	1627	use Fcntl;
1047	use Coro::AIO;	1628	use Coro::AIO;
1048		1629
		1630	use overload
		1631	'""' => \&as_string,
		1632	fallback => 1;
		1633
1049	our $MAX_RESET = 7200;	1634	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1635	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1636
1054	sub generate_random_map {	1637	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1638	my ($self, $rmp) = @_;
1056
1057	# mit "rum" bekleckern, nicht	1639	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1640	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1644	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1645	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1646	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1647	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1648	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1649	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(cf::region::find $rmp->{region})	1651	(cf::region::find $rmp->{region}), $rmp->{custom}
		1652	)
		1653	}
		1654
		1655	=item cf::map->register ($regex, $prio)
		1656
		1657	Register a handler for the map path matching the given regex at the
		1658	givne priority (higher is better, built-in handlers have priority 0, the
		1659	default).
		1660
		1661	=cut
		1662
		1663	sub register {
		1664	my (undef, $regex, $prio) = @_;
		1665	my $pkg = caller;
		1666
		1667	no strict;
		1668	push @{"$pkg\::ISA"}, __PACKAGE__;
		1669
		1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1671	}
		1672
		1673	# also paths starting with '/'
		1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1675
		1676	sub thawer_merge {
		1677	my ($self, $merge) = @_;
		1678
		1679	# we have to keep some variables in memory intact
		1680	local $self->{path};
		1681	local $self->{load_path};
		1682
		1683	$self->SUPER::thawer_merge ($merge);
		1684	}
		1685
		1686	sub normalise {
		1687	my ($path, $base) = @_;
		1688
		1689	$path = "$path"; # make sure its a string
		1690
		1691	$path =~ s/\.map$//;
		1692
		1693	# map plan:
		1694	#
		1695	# /! non-realised random map exit (special hack!)
		1696	# {... are special paths that are not being touched
		1697	# ?xxx/... are special absolute paths
		1698	# ?random/... random maps
		1699	# /... normal maps
		1700	# ~user/... per-player map of a specific user
		1701
		1702	$path =~ s/$PATH_SEP/\//go;
		1703
		1704	# treat it as relative path if it starts with
		1705	# something that looks reasonable
		1706	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1707	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1708
		1709	$base =~ s{[^/]+/?$}{};
		1710	$path = "$base/$path";
		1711	}
		1712
		1713	for ($path) {
		1714	redo if s{//}{/};
		1715	redo if s{/\.?/}{/};
		1716	redo if s{/[^/]+/\.\./}{/};
		1717	}
		1718
		1719	$path
		1720	}
		1721
		1722	sub new_from_path {
		1723	my (undef, $path, $base) = @_;
		1724
		1725	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1726
		1727	$path = normalise $path, $base;
		1728
		1729	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1730	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1731	my $self = bless cf::map::new, $pkg;
		1732	$self->{path} = $path; $self->path ($path);
		1733	$self->init; # pass $1 etc.
		1734	return $self;
		1735	}
		1736	}
		1737
		1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1739	()
		1740	}
		1741
		1742	sub init {
		1743	my ($self) = @_;
		1744
		1745	$self
		1746	}
		1747
		1748	sub as_string {
		1749	my ($self) = @_;
		1750
		1751	"$self->{path}"
		1752	}
		1753
		1754	# the displayed name, this is a one way mapping
		1755	sub visible_name {
		1756	&as_string
		1757	}
		1758
		1759	# the original (read-only) location
		1760	sub load_path {
		1761	my ($self) = @_;
		1762
		1763	"$MAPDIR/$self->{path}.map"
		1764	}
		1765
		1766	# the temporary/swap location
		1767	sub save_path {
		1768	my ($self) = @_;
		1769
		1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1771	"$TMPDIR/$path.map"
		1772	}
		1773
		1774	# the unique path, undef == no special unique path
		1775	sub uniq_path {
		1776	my ($self) = @_;
		1777
		1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1779	"$UNIQUEDIR/$path"
1071	}	1780	}
1072		1781
1073	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1074	# all maps in C++...	1783	# all maps in C++...
1075	sub change_all_map_light {	1784	sub change_all_map_light {
1076	my ($change) = @_;	1785	my ($change) = @_;
1077		1786
1078	$_->change_map_light ($change) for values %cf::MAP;	1787	$_->change_map_light ($change)
		1788	for grep $_->outdoor, values %cf::MAP;
1079	}	1789	}
1080		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
		1799	sub unlink_save {
		1800	my ($self) = @_;
		1801
		1802	utf8::encode (my $save = $self->save_path);
		1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1805	}
		1806
1081	sub try_load_header($) {	1807	sub load_header_from($) {
1082	my ($path) = @_;	1808	my ($self, $path) = @_;
1083		1809
1084	utf8::encode $path;	1810	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1086	or return;	1812	or return;
1087		1813
1088	my $map = cf::map::new	1814	$self->_load_header ($f)
1089	or return;	1815	or return;
1090		1816
1091	$map->load_header ($path)	1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
		1819
		1820	$self->{load_path} = $path;
		1821
		1822	1
		1823	}
		1824
		1825	sub load_header_orig {
		1826	my ($self) = @_;
		1827
		1828	$self->load_header_from ($self->load_path)
		1829	}
		1830
		1831	sub load_header_temp {
		1832	my ($self) = @_;
		1833
		1834	$self->load_header_from ($self->save_path)
		1835	}
		1836
		1837	sub prepare_temp {
		1838	my ($self) = @_;
		1839
		1840	$self->last_access ((delete $self->{last_access})
		1841	|| $cf::RUNTIME); #d#
		1842	# safety
		1843	$self->{instantiate_time} = $cf::RUNTIME
		1844	if $self->{instantiate_time} > $cf::RUNTIME;
		1845	}
		1846
		1847	sub prepare_orig {
		1848	my ($self) = @_;
		1849
		1850	$self->{load_original} = 1;
		1851	$self->{instantiate_time} = $cf::RUNTIME;
		1852	$self->last_access ($cf::RUNTIME);
		1853	$self->instantiate;
		1854	}
		1855
		1856	sub load_header {
		1857	my ($self) = @_;
		1858
		1859	if ($self->load_header_temp) {
		1860	$self->prepare_temp;
		1861	} else {
		1862	$self->load_header_orig
1092	or return;	1863	or return;
		1864	$self->prepare_orig;
		1865	}
1093		1866
1094	$map->{load_path} = $path;	1867	$self->{deny_reset} = 1
1095	use Data::Dumper; warn Dumper $map;#d#	1868	if $self->no_reset;
1096		1869
1097	$map	1870	$self->default_region (cf::region::find_by_path $self->{path})
1098	}	1871	unless $self->default_region;
1099		1872
		1873	1
		1874	}
		1875
		1876	sub find;
1100	sub find_map {	1877	sub find {
1101	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1102		1879
1103	#warn "find_map<$path,$origin>\n";#d#	1880	$path = normalise $path, $origin && $origin->path;
1104		1881
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1882	cf::lock_wait "map_data:$path";#d#remove
1106	my $key = $path->as_string;	1883	cf::lock_wait "map_find:$path";
1107		1884
1108	$cf::MAP{$key} || do {	1885	$cf::MAP{$path} || do {
1109	# do it the slow way	1886	my $guard1 = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1111		1888
1112	if ($map) {	1889	my $map = new_from_path cf::map $path
1113	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {
1117	if (my $rmp = $path->random_map_params) {
1118	$map = generate_random_map $key, $rmp;
1119	} else {
1120	$map = try_load_header $path->load_path;
1121	}
1122
1123	$map or return;	1890	or return;
1124		1891
1125	$map->{instantiate_time} = $cf::RUNTIME;
1126	$map->instantiate;
1127
1128	# per-player maps become, after loading, normal maps
1129	$map->per_player (0) if $path->{user_rel};
1130	}
1131
1132	$map->path ($key);
1133	$map->{path} = $path;
1134	$map->last_access ($cf::RUNTIME);	1892	$map->{last_save} = $cf::RUNTIME;
1135		1893
1136	$map->reset if $map->should_reset;	1894	$map->load_header
		1895	or return;
1137		1896
		1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1898	# doing this can freeze the server in a sync job, obviously
		1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
		1902	$map->reset;
		1903	return find $path;
		1904	}
		1905
1138	$cf::MAP{$key} = $map	1906	$cf::MAP{$path} = $map
1139	}	1907	}
1140	}	1908	}
		1909
		1910	sub pre_load { }
		1911	sub post_load { }
1141		1912
1142	sub load {	1913	sub load {
1143	my ($self) = @_;	1914	my ($self) = @_;
1144		1915
1145	return if $self->in_memory != cf::MAP_SWAPPED;	1916	local $self->{deny_reset} = 1; # loading can take a long time
1146
1147	$self->in_memory (cf::MAP_LOADING);
1148		1917
1149	my $path = $self->{path};	1918	my $path = $self->{path};
1150		1919
		1920	{
		1921	my $guard = cf::lock_acquire "map_data:$path";
		1922
		1923	return unless $self->valid;
		1924	return unless $self->in_memory == cf::MAP_SWAPPED;
		1925
		1926	$self->in_memory (cf::MAP_LOADING);
		1927
1151	$self->alloc;	1928	$self->alloc;
1152	$self->load_objects ($self->{load_path}, 1)	1929
		1930	$self->pre_load;
		1931	cf::cede_to_tick;
		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1153	or return;	1936	or return;
1154		1937
		1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1939	if delete $self->{load_original};
		1940
1155	if (my $uniq = $path->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1156	utf8::encode $uniq;	1942	utf8::encode $uniq;
1157	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1158	$self->clear_unique_items;	1945	$self->clear_unique_items;
1159	$self->load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1160	}	1949	}
1161	}	1950	}
1162		1951
		1952	$f->resolve_delayed_derefs;
		1953
		1954	cf::cede_to_tick;
1163	# now do the right thing for maps	1955	# now do the right thing for maps
1164	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1165
1166	if ($self->{path}->is_style_map) {
1167	$self->{deny_save} = 1;
1168	$self->{deny_reset} = 1;
1169	} else {
1170	$self->fix_auto_apply;
1171	$self->decay_objects;
1172	$self->update_buttons;
1173	$self->set_darkness_map;
1174	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1175	unless $self->difficulty;	1958	unless $self->difficulty;
		1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1176	$self->activate;	1968	$self->activate;
1177	}	1969	}
1178		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
1179	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
1180	}	1975	}
1181		1976
1182	sub load_map_sync {	1977	$self->post_load;
		1978	}
		1979
		1980	sub customise_for {
		1981	my ($self, $ob) = @_;
		1982
		1983	return find "~" . $ob->name . "/" . $self->{path}
		1984	if $self->per_player;
		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
		1989	$self
		1990	}
		1991
		1992	# find and load all maps in the 3x3 area around a map
		1993	sub load_neighbours {
		1994	my ($map) = @_;
		1995
		1996	my @neigh; # diagonal neighbours
		1997
		1998	for (0 .. 3) {
		1999	my $neigh = $map->tile_path ($_)
		2000	or next;
		2001	$neigh = find $neigh, $map
		2002	or next;
		2003	$neigh->load;
		2004
		2005	push @neigh,
		2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2008	}
		2009
		2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
		2012	my $neigh = find $path, $origin
		2013	or next;
		2014	$neigh->load;
		2015	}
		2016	}
		2017
		2018	sub find_sync {
1183	my ($path, $origin) = @_;	2019	my ($path, $origin) = @_;
1184		2020
1185	#warn "load_map_sync<$path, $origin>\n";#d#	2021	cf::sync_job { find $path, $origin }
		2022	}
1186		2023
1187	cf::sync_job {	2024	sub do_load_sync {
1188	my $map = cf::map::find_map $path, $origin	2025	my ($map) = @_;
1189	or return;	2026
1190	$map->load;	2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1191	$map	2028	if $Coro::current == $Coro::main;
		2029
		2030	cf::sync_job { $map->load };
		2031	}
		2032
		2033	our %MAP_PREFETCH;
		2034	our $MAP_PREFETCHER = undef;
		2035
		2036	sub find_async {
		2037	my ($path, $origin, $load) = @_;
		2038
		2039	$path = normalise $path, $origin && $origin->{path};
		2040
		2041	if (my $map = $cf::MAP{$path}) {
		2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2043	}
		2044
		2045	$MAP_PREFETCH{$path} |= $load;
		2046
		2047	$MAP_PREFETCHER ||= cf::async {
		2048	while (%MAP_PREFETCH) {
		2049	while (my ($k, $v) = each %MAP_PREFETCH) {
		2050	if (my $map = find $k) {
		2051	$map->load if $v;
		2052	}
		2053
		2054	delete $MAP_PREFETCH{$k};
		2055	}
		2056	}
		2057	undef $MAP_PREFETCHER;
1192	}	2058	};
		2059	$MAP_PREFETCHER->prio (6);
		2060
		2061	()
1193	}	2062	}
1194		2063
1195	sub save {	2064	sub save {
1196	my ($self) = @_;	2065	my ($self) = @_;
1197		2066
1198	my $save = $self->{path}->save_path; utf8::encode $save;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1200		2068
1201	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1202		2070
1203	return unless $self->dirty;	2071	return unless $self->dirty;
1204		2072
		2073	my $save = $self->save_path; utf8::encode $save;
		2074	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2075
1205	$self->{load_path} = $save;	2076	$self->{load_path} = $save;
1206		2077
1207	return if $self->{deny_save};	2078	return if $self->{deny_save};
1208		2079
1209	warn "saving map ", $self->path;	2080	local $self->{last_access} = $self->last_access;#d#
		2081
		2082	cf::async {
		2083	$_->contr->save for $self->players;
		2084	};
1210		2085
1211	if ($uniq) {	2086	if ($uniq) {
1212	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2087	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1213	$self->save_objects ($uniq, cf::IO_UNIQUES);	2088	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1214	} else {	2089	} else {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1216	}	2091	}
1217	}	2092	}
1218		2093
1219	sub swap_out {	2094	sub swap_out {
1220	my ($self) = @_;	2095	my ($self) = @_;
		2096
		2097	# save first because save cedes
		2098	$self->save;
		2099
		2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1221		2101
1222	return if $self->players;	2102	return if $self->players;
1223	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1224	return if $self->{deny_save};	2104	return if $self->{deny_save};
1225		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
1226	$self->save;	2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1227	$self->clear;	2110	$self->clear;
1228	$self->in_memory (cf::MAP_SWAPPED);	2111	}
		2112
		2113	sub reset_at {
		2114	my ($self) = @_;
		2115
		2116	# TODO: safety, remove and allow resettable per-player maps
		2117	return 1e99 if $self->{deny_reset};
		2118
		2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2121
		2122	$time + $to
1229	}	2123	}
1230		2124
1231	sub should_reset {	2125	sub should_reset {
1232	my ($map) = @_;	2126	my ($self) = @_;
1233		2127
1234	# TODO: safety, remove and allow resettable per-player maps	2128	$self->reset_at <= $cf::RUNTIME
1235	return if $map->{path}{user_rel};#d#
1236	return if $map->{deny_reset};
1237	#return unless $map->reset_timeout;
1238
1239	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1240
1241	$time + ($map->reset_timeout || $DEFAULT_RESET) < $cf::RUNTIME
1242	}	2129	}
1243		2130
1244	sub reset {	2131	sub reset {
1245	my ($self) = @_;	2132	my ($self) = @_;
1246		2133
		2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2135
1247	return if $self->players;	2136	return if $self->players;
1248	return if $self->{path}{user_rel};#d#
1249		2137
1250	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1251		2139
1252	utf8::encode (my $save = $self->{path}->save_path);	2140	$self->in_memory (cf::MAP_SWAPPED);
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1255		2141
		2142	# need to save uniques path
		2143	unless ($self->{deny_save}) {
		2144	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2145
		2146	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2147	if $uniq;
		2148	}
		2149
		2150	delete $cf::MAP{$self->path};
		2151
		2152	$self->deactivate;
1256	$_->clear_links_to ($self) for values %cf::MAP;	2153	$_->clear_links_to ($self) for values %cf::MAP;
1257
1258	$self->clear;	2154	$self->clear;
1259	$self->in_memory (cf::MAP_SWAPPED);
1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);
1261	}
1262		2155
1263	sub customise_for {	2156	$self->unlink_save;
1264	my ($map, $ob) = @_;	2157	$self->destroy;
		2158	}
1265		2159
1266	if ($map->per_player) {	2160	my $nuke_counter = "aaaa";
1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2161
		2162	sub nuke {
		2163	my ($self) = @_;
		2164
1268	}	2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
1269		2167
1270	$map	2168	delete $cf::MAP{$self->path};
1271	}
1272		2169
1273	sub emergency_save {	2170	$self->unlink_save;
1274	local $cf::FREEZE = 1;
1275		2171
1276	warn "enter emergency map save\n";	2172	bless $self, "cf::map";
		2173	delete $self->{deny_reset};
		2174	$self->{deny_save} = 1;
		2175	$self->reset_timeout (1);
		2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1277		2177
1278	cf::sync_job {	2178	$cf::MAP{$self->path} = $self;
1279	warn "begin emergency map save\n";
1280	$_->save for values %cf::MAP;
1281	};	2179	}
1282		2180
1283	warn "end emergency map save\n";	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
		2218	}
		2219
		2220	=item cf::map::unique_maps
		2221
		2222	Returns an arrayref of paths of all shared maps that have
		2223	instantiated unique items. May block.
		2224
		2225	=cut
		2226
		2227	sub unique_maps() {
		2228	[
		2229	map {
		2230	utf8::decode $_;
		2231	/\.map$/
		2232	? normalise $_
		2233	: ()
		2234	} @{ aio_readdir $UNIQUEDIR or [] }
		2235	]
1284	}	2236	}
1285		2237
1286	package cf;	2238	package cf;
1287		2239
1288	=back	2240	=back
1289		2241
		2242	=head3 cf::object
		2243
		2244	=cut
		2245
		2246	package cf::object;
		2247
		2248	=over 4
		2249
		2250	=item $ob->inv_recursive
		2251
		2252	Returns the inventory of the object _and_ their inventories, recursively.
		2253
		2254	=cut
		2255
		2256	sub inv_recursive_;
		2257	sub inv_recursive_ {
		2258	map { $_, inv_recursive_ $_->inv } @_
		2259	}
		2260
		2261	sub inv_recursive {
		2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
		2294	}
		2295
		2296	package cf;
		2297
		2298	=back
1290		2299
1291	=head3 cf::object::player	2300	=head3 cf::object::player
1292		2301
1293	=over 4	2302	=over 4
1294		2303
…		…
1308		2317
1309	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1310		2319
1311	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1312	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1313	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1314	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1315	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1316	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1317	}	2345	}
1318		2346
1319	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1320		2348
1321	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1330	(ref $cf::CFG{"may_$access"}	2358	(ref $cf::CFG{"may_$access"}
1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2359	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1332	: $cf::CFG{"may_$access"})	2360	: $cf::CFG{"may_$access"})
1333	}	2361	}
1334		2362
		2363	=item $player_object->enter_link
		2364
		2365	Freezes the player and moves him/her to a special map (C<{link}>).
		2366
		2367	The player should be reasonably safe there for short amounts of time. You
		2368	I<MUST> call C<leave_link> as soon as possible, though.
		2369
		2370	Will never block.
		2371
		2372	=item $player_object->leave_link ($map, $x, $y)
		2373
		2374	Moves the player out of the special C<{link}> map onto the specified
		2375	map. If the map is not valid (or omitted), the player will be moved back
		2376	to the location he/she was before the call to C<enter_link>, or, if that
		2377	fails, to the emergency map position.
		2378
		2379	Might block.
		2380
		2381	=cut
		2382
		2383	sub link_map {
		2384	unless ($LINK_MAP) {
		2385	$LINK_MAP = cf::map::find "{link}"
		2386	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2387	$LINK_MAP->load;
		2388	}
		2389
		2390	$LINK_MAP
		2391	}
		2392
1335	sub cf::object::player::enter_link {	2393	sub cf::object::player::enter_link {
1336	my ($self) = @_;	2394	my ($self) = @_;
1337		2395
1338	return if $self->map == $LINK_MAP;
1339
1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
1341	if $self->map;
1342
1343	$self->enter_map ($LINK_MAP, 20, 20);
1344	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
		2397
		2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
		2399
		2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		2401	if $self->map && $self->map->{path} ne "{link}";
		2402
		2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1345	}	2404	}
1346		2405
1347	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1348	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
1349		2408
		2409	return unless $self->contr->active;
		2410
1350	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1351		2412
1352	unless ($map) {	2413	unless ($map) {
1353	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1354
1355	# restore original map position	2414	# restore original map position
1356	($map, $x, $y) = @{ $link_pos || [] };	2415	($map, $x, $y) = @{ $link_pos || [] };
1357	$map = cf::map::find_map $map;	2416	$map = cf::map::find $map;
1358		2417
1359	unless ($map) {	2418	unless ($map) {
1360	($map, $x, $y) = @$EMERGENCY_POSITION;	2419	($map, $x, $y) = @$EMERGENCY_POSITION;
1361	$map = cf::map::find_map $map	2420	$map = cf::map::find $map
1362	or die "FATAL: cannot load emergency map\n";	2421	or die "FATAL: cannot load emergency map\n";
1363	}	2422	}
1364	}	2423	}
1365		2424
1366	($x, $y) = (-1, -1)	2425	($x, $y) = (-1, -1)
…		…
1369	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1370	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1371	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1372		2431
1373	$map->load;	2432	$map->load;
		2433	$map->load_neighbours;
1374		2434
		2435	return unless $self->contr->active;
1375	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1376	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1377	}	2440	}
1378		2441
1379	=item $player_object->goto_map ($map, $x, $y)	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1380		2443
1381	=cut	2444	Moves the player to the given map-path and coordinates by first freezing
		2445	her, loading and preparing them map, calling the provided $check callback
		2446	that has to return the map if sucecssful, and then unfreezes the player on
		2447	the new (success) or old (failed) map position. In either case, $done will
		2448	be called at the end of this process.
1382		2449
		2450	=cut
		2451
		2452	our $GOTOGEN;
		2453
1383	sub cf::object::player::goto_map {	2454	sub cf::object::player::goto {
1384	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1385		2459
1386	$self->enter_link;	2460	$self->enter_link;
1387		2461
1388	(Coro::async {	2462	(async {
1389	$path = new cf::path $path;	2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
1390		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	}
		2472	# else put him there anyways for now #d#
		2473
		2474	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2475	}
		2476	}
		2477
		2478	my $map = eval {
1391	my $map = cf::map::find_map $path->as_string;	2479	my $map = cf::map::find $path;
		2480
		2481	if ($map) {
1392	$map = $map->customise_for ($self) if $map;	2482	$map = $map->customise_for ($self);
		2483	$map = $check->($map) if $check && $map;
		2484	} else {
		2485	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2486	}
1393		2487
1394	warn "entering ", $map->path, " at ($x, $y)\n"
1395	if $map;	2488	$map
		2489	};
1396		2490
		2491	if ($@) {
		2492	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2493	LOG llevError | logBacktrace, Carp::longmess $@;
		2494	}
		2495
		2496	if ($gen == $self->{_goto_generation}) {
		2497	delete $self->{_goto_generation};
1397	$self->leave_link ($map, $x, $y);	2498	$self->leave_link ($map, $x, $y);
		2499	}
		2500
		2501	$done->() if $done;
1398	})->prio (1);	2502	})->prio (1);
1399	}	2503	}
1400		2504
1401	=item $player_object->enter_exit ($exit_object)	2505	=item $player_object->enter_exit ($exit_object)
1402		2506
…		…
1404		2508
1405	sub parse_random_map_params {	2509	sub parse_random_map_params {
1406	my ($spec) = @_;	2510	my ($spec) = @_;
1407		2511
1408	my $rmp = { # defaults	2512	my $rmp = { # defaults
1409	xsize => 10,	2513	xsize => (cf::rndm 15, 40),
1410	ysize => 10,	2514	ysize => (cf::rndm 15, 40),
		2515	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2516	#layout => string,
1411	};	2517	};
1412		2518
1413	for (split /\n/, $spec) {	2519	for (split /\n/, $spec) {
1414	my ($k, $v) = split /\s+/, $_, 2;	2520	my ($k, $v) = split /\s+/, $_, 2;
1415		2521
…		…
1419	$rmp	2525	$rmp
1420	}	2526	}
1421		2527
1422	sub prepare_random_map {	2528	sub prepare_random_map {
1423	my ($exit) = @_;	2529	my ($exit) = @_;
		2530
		2531	my $guard = cf::lock_acquire "exit_prepare:$exit";
1424		2532
1425	# all this does is basically replace the /! path by	2533	# all this does is basically replace the /! path by
1426	# a new random map path (?random/...) with a seed	2534	# a new random map path (?random/...) with a seed
1427	# that depends on the exit object	2535	# that depends on the exit object
1428		2536
1429	my $rmp = parse_random_map_params $exit->msg;	2537	my $rmp = parse_random_map_params $exit->msg;
1430		2538
1431	if ($exit->map) {	2539	if ($exit->map) {
1432	$rmp->{region} = $exit->map->region_name;	2540	$rmp->{region} = $exit->region->name;
1433	$rmp->{origin_map} = $exit->map->path;	2541	$rmp->{origin_map} = $exit->map->path;
1434	$rmp->{origin_x} = $exit->x;	2542	$rmp->{origin_x} = $exit->x;
1435	$rmp->{origin_y} = $exit->y;	2543	$rmp->{origin_y} = $exit->y;
1436	}	2544	}
1437		2545
1438	$rmp->{random_seed} ||= $exit->random_seed;	2546	$rmp->{random_seed} ||= $exit->random_seed;
1439		2547
1440	my $data = cf::to_json $rmp;	2548	my $data = cf::to_json $rmp;
1441	my $md5 = Digest::MD5::md5_hex $data;	2549	my $md5 = Digest::MD5::md5_hex $data;
		2550	my $meta = "$RANDOMDIR/$md5.meta";
1442		2551
1443	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2552	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1444	aio_write $fh, 0, (length $data), $data, 0;	2553	aio_write $fh, 0, (length $data), $data, 0;
		2554	undef $fh;
		2555	aio_rename "$meta~", $meta;
1445		2556
1446	$exit->slaying ("?random/$md5");	2557	$exit->slaying ("?random/$md5");
1447	$exit->msg (undef);	2558	$exit->msg (undef);
1448	}	2559	}
1449	}	2560	}
…		…
1451	sub cf::object::player::enter_exit {	2562	sub cf::object::player::enter_exit {
1452	my ($self, $exit) = @_;	2563	my ($self, $exit) = @_;
1453		2564
1454	return unless $self->type == cf::PLAYER;	2565	return unless $self->type == cf::PLAYER;
1455		2566
		2567	if ($exit->slaying eq "/!") {
		2568	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2569	# the problem is that $exit might not survive long enough
		2570	# so it needs to be done right now, right here
		2571	cf::sync_job { prepare_random_map $exit };
		2572	}
		2573
		2574	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2575	my $hp = $exit->stats->hp;
		2576	my $sp = $exit->stats->sp;
		2577
1456	$self->enter_link;	2578	$self->enter_link;
1457		2579
		2580	# if exit is damned, update players death & WoR home-position
		2581	$self->contr->savebed ($slaying, $hp, $sp)
		2582	if $exit->flag (FLAG_DAMNED);
		2583
1458	(Coro::async {	2584	(async {
		2585	$self->deactivate_recursive; # just to be sure
1459	unless (eval {	2586	unless (eval {
1460		2587	$self->goto ($slaying, $hp, $sp);
1461	prepare_random_map $exit
1462	if $exit->slaying eq "/!";
1463
1464	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1465	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1466		2588
1467	1;	2589	1;
1468	}) {	2590	}) {
1469	$self->message ("Something went wrong deep within the crossfire server. "	2591	$self->message ("Something went wrong deep within the crossfire server. "
1470	. "I'll try to bring you back to the map you were before. "	2592	. "I'll try to bring you back to the map you were before. "
1471	. "Please report this to the dungeon master",	2593	. "Please report this to the dungeon master!",
1472	cf::NDI_UNIQUE | cf::NDI_RED);	2594	cf::NDI_UNIQUE | cf::NDI_RED);
1473		2595
1474	warn "ERROR in enter_exit: $@";	2596	warn "ERROR in enter_exit: $@";
1475	$self->leave_link;	2597	$self->leave_link;
1476	}	2598	}
1477	})->prio (1);	2599	})->prio (1);
…		…
1490		2612
1491	sub cf::client::send_drawinfo {	2613	sub cf::client::send_drawinfo {
1492	my ($self, $text, $flags) = @_;	2614	my ($self, $text, $flags) = @_;
1493		2615
1494	utf8::encode $text;	2616	utf8::encode $text;
1495	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2617	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1496	}	2618	}
1497		2619
		2620	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2621
		2622	Send a drawinfo or msg packet to the client, formatting the msg for the
		2623	client if neccessary. C<$type> should be a string identifying the type of
		2624	the message, with C<log> being the default. If C<$color> is negative, suppress
		2625	the message unless the client supports the msg packet.
		2626
		2627	=cut
		2628
		2629	our %CHANNEL = (
		2630	"c/identify" => {
		2631	id => "identify",
		2632	title => "Identify",
		2633	reply => undef,
		2634	tooltip => "Items recently identified",
		2635	},
		2636	"c/examine" => {
		2637	id => "examine",
		2638	title => "Examine",
		2639	reply => undef,
		2640	tooltip => "Signs and other items you examined",
		2641	},
		2642	);
		2643
		2644	sub cf::client::send_msg {
		2645	my ($self, $channel, $msg, $color, @extra) = @_;
		2646
		2647	$msg = $self->pl->expand_cfpod ($msg);
		2648
		2649	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2650
		2651	# check predefined channels, for the benefit of C
		2652	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2653
		2654	if (ref $channel) {
		2655	# send meta info to client, if not yet sent
		2656	unless (exists $self->{channel}{$channel->{id}}) {
		2657	$self->{channel}{$channel->{id}} = $channel;
		2658	$self->ext_msg (channel_info => $channel)
		2659	if $self->can_msg;
		2660	}
		2661
		2662	$channel = $channel->{id};
		2663	}
		2664
		2665	return unless @extra || length $msg;
		2666
		2667	if ($self->can_msg) {
		2668	# default colour, mask it out
		2669	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2670	if $color & cf::NDI_DEF;
		2671
		2672	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2673	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2674	} else {
		2675	if ($color >= 0) {
		2676	# replace some tags by gcfclient-compatible ones
		2677	for ($msg) {
		2678	1 while
		2679	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2680	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2681	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2682	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2683	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2684	}
		2685
		2686	$color &= cf::NDI_COLOR_MASK;
		2687
		2688	utf8::encode $msg;
		2689
		2690	if (0 && $msg =~ /\[/) {
		2691	# COMMAND/INFO
		2692	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2693	} else {
		2694	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2695	$self->send_packet ("drawinfo $color $msg")
		2696	}
		2697	}
		2698	}
		2699	}
		2700
		2701	=item $client->ext_msg ($type, @msg)
		2702
		2703	Sends an ext event to the client.
		2704
		2705	=cut
		2706
		2707	sub cf::client::ext_msg($$@) {
		2708	my ($self, $type, @msg) = @_;
		2709
		2710	if ($self->extcmd == 2) {
		2711	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2712	} elsif ($self->extcmd == 1) { # TODO: remove
		2713	push @msg, msgtype => "event_$type";
		2714	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2715	}
		2716	}
		2717
		2718	=item $client->ext_reply ($msgid, @msg)
		2719
		2720	Sends an ext reply to the client.
		2721
		2722	=cut
		2723
		2724	sub cf::client::ext_reply($$@) {
		2725	my ($self, $id, @msg) = @_;
		2726
		2727	if ($self->extcmd == 2) {
		2728	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2729	} elsif ($self->extcmd == 1) {
		2730	#TODO: version 1, remove
		2731	unshift @msg, msgtype => "reply", msgid => $id;
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2733	}
		2734	}
1498		2735
1499	=item $success = $client->query ($flags, "text", \&cb)	2736	=item $success = $client->query ($flags, "text", \&cb)
1500		2737
1501	Queues a query to the client, calling the given callback with	2738	Queues a query to the client, calling the given callback with
1502	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2739	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1503	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2740	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1504		2741
1505	Queries can fail, so check the return code. Or don't, as queries will become	2742	Queries can fail, so check the return code. Or don't, as queries will
1506	reliable at some point in the future.	2743	become reliable at some point in the future.
1507		2744
1508	=cut	2745	=cut
1509		2746
1510	sub cf::client::query {	2747	sub cf::client::query {
1511	my ($self, $flags, $text, $cb) = @_;	2748	my ($self, $flags, $text, $cb) = @_;
…		…
1519	utf8::encode $text;	2756	utf8::encode $text;
1520	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2757	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1521		2758
1522	$self->send_packet ($self->{query_queue}[0][0])	2759	$self->send_packet ($self->{query_queue}[0][0])
1523	if @{ $self->{query_queue} } == 1;	2760	if @{ $self->{query_queue} } == 1;
		2761
		2762	1
1524	}	2763	}
1525		2764
1526	cf::client->attach (	2765	cf::client->attach (
		2766	on_connect => sub {
		2767	my ($ns) = @_;
		2768
		2769	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2770	},
1527	on_reply => sub {	2771	on_reply => sub {
1528	my ($ns, $msg) = @_;	2772	my ($ns, $msg) = @_;
1529		2773
1530	# this weird shuffling is so that direct followup queries	2774	# this weird shuffling is so that direct followup queries
1531	# get handled first	2775	# get handled first
1532	my $queue = delete $ns->{query_queue};	2776	my $queue = delete $ns->{query_queue}
		2777	or return; # be conservative, not sure how that can happen, but we saw a crash here
1533		2778
1534	(shift @$queue)->[1]->($msg);	2779	(shift @$queue)->[1]->($msg);
		2780	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1535		2781
1536	push @{ $ns->{query_queue} }, @$queue;	2782	push @{ $ns->{query_queue} }, @$queue;
1537		2783
1538	if (@{ $ns->{query_queue} } == @$queue) {	2784	if (@{ $ns->{query_queue} } == @$queue) {
1539	if (@$queue) {	2785	if (@$queue) {
…		…
1541	} else {	2787	} else {
1542	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2788	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1543	}	2789	}
1544	}	2790	}
1545	},	2791	},
		2792	on_exticmd => sub {
		2793	my ($ns, $buf) = @_;
		2794
		2795	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2796
		2797	if (ref $msg) {
		2798	my ($type, $reply, @payload) =
		2799	"ARRAY" eq ref $msg
		2800	? @$msg
		2801	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2802
		2803	my @reply;
		2804
		2805	if (my $cb = $EXTICMD{$type}) {
		2806	@reply = $cb->($ns, @payload);
		2807	}
		2808
		2809	$ns->ext_reply ($reply, @reply)
		2810	if $reply;
		2811
		2812	} else {
		2813	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2814	}
		2815
		2816	cf::override;
		2817	},
1546	);	2818	);
1547		2819
1548	=item $client->coro (\&cb)	2820	=item $client->async (\&cb)
1549		2821
1550	Create a new coroutine, running the specified callback. The coroutine will	2822	Create a new coroutine, running the specified callback. The coroutine will
1551	be automatically cancelled when the client gets destroyed (e.g. on logout,	2823	be automatically cancelled when the client gets destroyed (e.g. on logout,
1552	or loss of connection).	2824	or loss of connection).
1553		2825
1554	=cut	2826	=cut
1555		2827
1556	sub cf::client::coro {	2828	sub cf::client::async {
1557	my ($self, $cb) = @_;	2829	my ($self, $cb) = @_;
1558		2830
1559	my $coro; $coro = async {	2831	my $coro = &Coro::async ($cb);
1560	eval {
1561	$cb->();
1562	};
1563	warn $@ if $@;
1564	};
1565		2832
1566	$coro->on_destroy (sub {	2833	$coro->on_destroy (sub {
1567	delete $self->{_coro}{$coro+0};	2834	delete $self->{_coro}{$coro+0};
1568	});	2835	});
1569		2836
…		…
1596	our $safe = new Safe "safe";	2863	our $safe = new Safe "safe";
1597	our $safe_hole = new Safe::Hole;	2864	our $safe_hole = new Safe::Hole;
1598		2865
1599	$SIG{FPE} = 'IGNORE';	2866	$SIG{FPE} = 'IGNORE';
1600		2867
1601	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2868	$safe->permit_only (Opcode::opset qw(
		2869	:base_core :base_mem :base_orig :base_math
		2870	grepstart grepwhile mapstart mapwhile
		2871	sort time
		2872	));
1602		2873
1603	# here we export the classes and methods available to script code	2874	# here we export the classes and methods available to script code
1604		2875
1605	=pod	2876	=pod
1606		2877
1607	The following fucntions and emthods are available within a safe environment:	2878	The following functions and methods are available within a safe environment:
1608		2879
1609	cf::object contr pay_amount pay_player map	2880	cf::object
		2881	contr pay_amount pay_player map x y force_find force_add
		2882	insert remove name archname title slaying race decrease_ob_nr
		2883
1610	cf::object::player player	2884	cf::object::player
1611	cf::player peaceful	2885	player
1612	cf::map trigger	2886
		2887	cf::player
		2888	peaceful
		2889
		2890	cf::map
		2891	trigger
1613		2892
1614	=cut	2893	=cut
1615		2894
1616	for (	2895	for (
1617	["cf::object" => qw(contr pay_amount pay_player map)],	2896	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2897	insert remove inv name archname title slaying race
		2898	decrease_ob_nr)],
1618	["cf::object::player" => qw(player)],	2899	["cf::object::player" => qw(player)],
1619	["cf::player" => qw(peaceful)],	2900	["cf::player" => qw(peaceful)],
1620	["cf::map" => qw(trigger)],	2901	["cf::map" => qw(trigger)],
1621	) {	2902	) {
1622	no strict 'refs';	2903	no strict 'refs';
…		…
1693	=back	2974	=back
1694		2975
1695	=cut	2976	=cut
1696		2977
1697	#############################################################################	2978	#############################################################################
		2979	# the server's init and main functions
1698		2980
1699	=head2 EXTENSION DATABASE SUPPORT	2981	sub load_facedata($) {
		2982	my ($path) = @_;
1700		2983
1701	Crossfire maintains a very simple database for extension use. It can	2984	# HACK to clear player env face cache, we need some signal framework
1702	currently store anything that can be serialised using Storable, which	2985	# for this (global event?)
1703	excludes objects.	2986	%ext::player_env::MUSIC_FACE_CACHE = ();
1704		2987
1705	The parameter C<$family> should best start with the name of the extension	2988	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1706	using it, it should be unique.
1707		2989
1708	=over 4	2990	warn "loading facedata from $path\n";
1709		2991
1710	=item $hashref = cf::db_get $family	2992	my $facedata;
		2993	0 < aio_load $path, $facedata
		2994	or die "$path: $!";
1711		2995
1712	Return a hashref for use by the extension C<$family>, which can be	2996	$facedata = Coro::Storable::thaw $facedata;
1713	modified. After modifications, you have to call C<cf::db_dirty> or
1714	C<cf::db_sync>.
1715		2997
1716	=item $value = cf::db_get $family => $key	2998	$facedata->{version} == 2
		2999	or cf::cleanup "$path: version mismatch, cannot proceed.";
1717		3000
1718	Returns a single value from the database	3001	# patch in the exptable
1719		3002	$facedata->{resource}{"res/exp_table"} = {
1720	=item cf::db_put $family => $hashref	3003	type => FT_RSRC,
1721		3004	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1722	Stores the given family hashref into the database. Updates are delayed, if
1723	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1724
1725	=item cf::db_put $family => $key => $value
1726
1727	Stores the given C<$value> in the family hash. Updates are delayed, if you
1728	want the data to be synced to disk immediately, use C<cf::db_sync>.
1729
1730	=item cf::db_dirty
1731
1732	Marks the database as dirty, to be updated at a later time.
1733
1734	=item cf::db_sync
1735
1736	Immediately write the database to disk I<if it is dirty>.
1737
1738	=cut
1739
1740	our $DB;
1741
1742	{
1743	my $path = cf::localdir . "/database.pst";
1744
1745	sub db_load() {
1746	warn "loading database $path\n";#d# remove later
1747	$DB = stat $path ? Storable::retrieve $path : { };
1748	}
1749
1750	my $pid;
1751
1752	sub db_save() {
1753	warn "saving database $path\n";#d# remove later
1754	waitpid $pid, 0 if $pid;
1755	if (0 == ($pid = fork)) {
1756	$DB->{_meta}{version} = 1;
1757	Storable::nstore $DB, "$path~";
1758	rename "$path~", $path;
1759	cf::_exit 0 if defined $pid;
1760	}
1761	}
1762
1763	my $dirty;
1764
1765	sub db_sync() {
1766	db_save if $dirty;
1767	undef $dirty;
1768	}
1769
1770	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1771	db_sync;
1772	});	3005	};
		3006	cf::cede_to_tick;
1773		3007
1774	sub db_dirty() {
1775	$dirty = 1;
1776	$idle->start;
1777	}	3008	{
		3009	my $faces = $facedata->{faceinfo};
1778		3010
1779	sub db_get($;$) {	3011	while (my ($face, $info) = each %$faces) {
1780	@_ >= 2	3012	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1781	? $DB->{$_[0]}{$_[1]}	3013	cf::face::set_visibility $idx, $info->{visibility};
1782	: ($DB->{$_[0]} ||= { })	3014	cf::face::set_magicmap $idx, $info->{magicmap};
1783	}	3015	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3016	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1784		3017
1785	sub db_put($$;$) {	3018	cf::cede_to_tick;
1786	if (@_ >= 3) {
1787	$DB->{$_[0]}{$_[1]} = $_[2];
1788	} else {
1789	$DB->{$_[0]} = $_[1];
1790	}
1791	db_dirty;
1792	}
1793
1794	cf::global->attach (
1795	prio => 10000,
1796	on_cleanup => sub {
1797	db_sync;
1798	},	3019	}
1799	);
1800	}
1801		3020
1802	#############################################################################	3021	while (my ($face, $info) = each %$faces) {
1803	# the server's main()	3022	next unless $info->{smooth};
		3023	my $idx = cf::face::find $face
		3024	or next;
		3025	if (my $smooth = cf::face::find $info->{smooth}) {
		3026	cf::face::set_smooth $idx, $smooth;
		3027	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3028	} else {
		3029	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3030	}
1804		3031
1805	sub cfg_load {	3032	cf::cede_to_tick;
		3033	}
		3034	}
		3035
		3036	{
		3037	my $anims = $facedata->{animinfo};
		3038
		3039	while (my ($anim, $info) = each %$anims) {
		3040	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3041	cf::cede_to_tick;
		3042	}
		3043
		3044	cf::anim::invalidate_all; # d'oh
		3045	}
		3046
		3047	{
		3048	# TODO: for gcfclient pleasure, we should give resources
		3049	# that gcfclient doesn't grok a >10000 face index.
		3050	my $res = $facedata->{resource};
		3051
		3052	my $soundconf = delete $res->{"res/sound.conf"};
		3053
		3054	while (my ($name, $info) = each %$res) {
		3055	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3056	my $data;
		3057
		3058	if ($info->{type} & 1) {
		3059	# prepend meta info
		3060
		3061	my $meta = $enc->encode ({
		3062	name => $name,
		3063	%{ $info->{meta} || {} },
		3064	});
		3065
		3066	$data = pack "(w/a*)*", $meta, $info->{data};
		3067	} else {
		3068	$data = $info->{data};
		3069	}
		3070
		3071	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3072	cf::face::set_type $idx, $info->{type};
		3073
		3074	cf::cede_to_tick;
		3075	}
		3076
		3077	if ($soundconf) {
		3078	$soundconf = $enc->decode (delete $soundconf->{data});
		3079
		3080	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3081	my $sound = $soundconf->{compat}[$_]
		3082	or next;
		3083
		3084	my $face = cf::face::find "sound/$sound->[1]";
		3085	cf::sound::set $sound->[0] => $face;
		3086	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3087	}
		3088
		3089	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3090	my $face = cf::face::find "sound/$v";
		3091	cf::sound::set $k => $face;
		3092	}
		3093	}
		3094	}
		3095
		3096	1
		3097	}
		3098
		3099	register_exticmd fx_want => sub {
		3100	my ($ns, $want) = @_;
		3101
		3102	while (my ($k, $v) = each %$want) {
		3103	$ns->fx_want ($k, $v);
		3104	}
		3105	};
		3106
		3107	sub reload_regions {
		3108	# HACK to clear player env face cache, we need some signal framework
		3109	# for this (global event?)
		3110	%ext::player_env::MUSIC_FACE_CACHE = ();
		3111
		3112	load_resource_file "$MAPDIR/regions"
		3113	or die "unable to load regions file\n";
		3114
		3115	for (cf::region::list) {
		3116	$_->{match} = qr/$_->{match}/
		3117	if exists $_->{match};
		3118	}
		3119	}
		3120
		3121	sub reload_facedata {
		3122	load_facedata "$DATADIR/facedata"
		3123	or die "unable to load facedata\n";
		3124	}
		3125
		3126	sub reload_archetypes {
		3127	load_resource_file "$DATADIR/archetypes"
		3128	or die "unable to load archetypes\n";
		3129	#d# NEED to laod twice to resolve forward references
		3130	# this really needs to be done in an extra post-pass
		3131	# (which needs to be synchronous, so solve it differently)
		3132	load_resource_file "$DATADIR/archetypes"
		3133	or die "unable to load archetypes\n";
		3134	}
		3135
		3136	sub reload_treasures {
		3137	load_resource_file "$DATADIR/treasures"
		3138	or die "unable to load treasurelists\n";
		3139	}
		3140
		3141	sub reload_resources {
		3142	warn "reloading resource files...\n";
		3143
		3144	reload_regions;
		3145	reload_facedata;
		3146	#reload_archetypes;#d#
		3147	reload_archetypes;
		3148	reload_treasures;
		3149
		3150	warn "finished reloading resource files\n";
		3151	}
		3152
		3153	sub init {
		3154	reload_resources;
		3155	}
		3156
		3157	sub reload_config {
1806	open my $fh, "<:utf8", cf::confdir . "/config"	3158	open my $fh, "<:utf8", "$CONFDIR/config"
1807	or return;	3159	or return;
1808		3160
1809	local $/;	3161	local $/;
1810	*CFG = YAML::Syck::Load <$fh>;	3162	*CFG = YAML::Syck::Load <$fh>;
		3163
		3164	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3165
		3166	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3167	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3168
		3169	if (exists $CFG{mlockall}) {
		3170	eval {
		3171	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3172	and die "WARNING: m(un)lockall failed: $!\n";
		3173	};
		3174	warn $@ if $@;
		3175	}
1811	}	3176	}
1812		3177
1813	sub main {	3178	sub main {
1814	# we must not ever block the main coroutine	3179	# we must not ever block the main coroutine
1815	local $Coro::idle = sub {	3180	local $Coro::idle = sub {
1816	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	3181	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1817	(Coro::unblock_sub {	3182	(async {
1818	Event::one_event;	3183	Event::one_event;
1819	})->();	3184	})->prio (Coro::PRIO_MAX);
1820	};	3185	};
1821		3186
1822	cfg_load;	3187	reload_config;
1823	db_load;	3188	db_init;
1824	load_extensions;	3189	load_extensions;
		3190
		3191	$TICK_WATCHER->start;
1825	Event::loop;	3192	Event::loop;
1826	}	3193	}
1827		3194
1828	#############################################################################	3195	#############################################################################
1829	# initialisation	3196	# initialisation and cleanup
1830		3197
1831	sub perl_reload() {	3198	# install some emergency cleanup handlers
		3199	BEGIN {
		3200	for my $signal (qw(INT HUP TERM)) {
		3201	Event->signal (
		3202	reentrant => 0,
		3203	data => WF_AUTOCANCEL,
		3204	signal => $signal,
		3205	prio => 0,
		3206	cb => sub {
		3207	cf::cleanup "SIG$signal";
		3208	},
		3209	);
		3210	}
		3211	}
		3212
		3213	sub write_runtime {
		3214	my $runtime = "$LOCALDIR/runtime";
		3215
		3216	# first touch the runtime file to show we are still running:
		3217	# the fsync below can take a very very long time.
		3218
		3219	IO::AIO::aio_utime $runtime, undef, undef;
		3220
		3221	my $guard = cf::lock_acquire "write_runtime";
		3222
		3223	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3224	or return;
		3225
		3226	my $value = $cf::RUNTIME + 90 + 10;
		3227	# 10 is the runtime save interval, for a monotonic clock
		3228	# 60 allows for the watchdog to kill the server.
		3229
		3230	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3231	and return;
		3232
		3233	# always fsync - this file is important
		3234	aio_fsync $fh
		3235	and return;
		3236
		3237	# touch it again to show we are up-to-date
		3238	aio_utime $fh, undef, undef;
		3239
		3240	close $fh
		3241	or return;
		3242
		3243	aio_rename "$runtime~", $runtime
		3244	and return;
		3245
		3246	warn "runtime file written.\n";
		3247
		3248	1
		3249	}
		3250
		3251	sub emergency_save() {
		3252	my $freeze_guard = cf::freeze_mainloop;
		3253
		3254	warn "enter emergency perl save\n";
		3255
		3256	cf::sync_job {
		3257	# use a peculiar iteration method to avoid tripping on perl
		3258	# refcount bugs in for. also avoids problems with players
		3259	# and maps saved/destroyed asynchronously.
		3260	warn "begin emergency player save\n";
		3261	for my $login (keys %cf::PLAYER) {
		3262	my $pl = $cf::PLAYER{$login} or next;
		3263	$pl->valid or next;
		3264	$pl->save;
		3265	}
		3266	warn "end emergency player save\n";
		3267
		3268	warn "begin emergency map save\n";
		3269	for my $path (keys %cf::MAP) {
		3270	my $map = $cf::MAP{$path} or next;
		3271	$map->valid or next;
		3272	$map->save;
		3273	}
		3274	warn "end emergency map save\n";
		3275
		3276	warn "begin emergency database checkpoint\n";
		3277	BDB::db_env_txn_checkpoint $DB_ENV;
		3278	warn "end emergency database checkpoint\n";
		3279	};
		3280
		3281	warn "leave emergency perl save\n";
		3282	}
		3283
		3284	sub post_cleanup {
		3285	my ($make_core) = @_;
		3286
		3287	warn Carp::longmess "post_cleanup backtrace"
		3288	if $make_core;
		3289	}
		3290
		3291	sub do_reload_perl() {
1832	# can/must only be called in main	3292	# can/must only be called in main
1833	if ($Coro::current != $Coro::main) {	3293	if ($Coro::current != $Coro::main) {
1834	warn "can only reload from main coroutine\n";	3294	warn "can only reload from main coroutine";
1835	return;	3295	return;
1836	}	3296	}
1837		3297
1838	warn "reloading...";	3298	warn "reloading...";
1839		3299
1840	local $FREEZE = 1;	3300	warn "entering sync_job";
		3301
		3302	cf::sync_job {
		3303	cf::write_runtime; # external watchdog should not bark
1841	cf::emergency_save;	3304	cf::emergency_save;
		3305	cf::write_runtime; # external watchdog should not bark
1842		3306
1843	eval {	3307	warn "syncing database to disk";
		3308	BDB::db_env_txn_checkpoint $DB_ENV;
		3309
1844	# if anything goes wrong in here, we should simply crash as we already saved	3310	# if anything goes wrong in here, we should simply crash as we already saved
1845		3311
1846	# cancel all watchers	3312	warn "cancelling all WF_AUTOCANCEL watchers";
1847	for (Event::all_watchers) {	3313	for (Event::all_watchers) {
1848	$_->cancel if $_->data & WF_AUTOCANCEL;	3314	$_->cancel if $_->data & WF_AUTOCANCEL;
1849	}	3315	}
1850		3316
		3317	warn "flushing outstanding aio requests";
		3318	for (;;) {
		3319	BDB::flush;
		3320	IO::AIO::flush;
		3321	Coro::cede;
		3322	last unless IO::AIO::nreqs || BDB::nreqs;
		3323	warn "iterate...";
		3324	}
		3325
		3326	++$RELOAD;
		3327
1851	# cancel all extension coros	3328	warn "cancelling all extension coros";
1852	$_->cancel for values %EXT_CORO;	3329	$_->cancel for values %EXT_CORO;
1853	%EXT_CORO = ();	3330	%EXT_CORO = ();
1854		3331
1855	# unload all extensions	3332	warn "removing commands";
1856	for (@exts) {	3333	%COMMAND = ();
		3334
		3335	warn "removing ext/exti commands";
		3336	%EXTCMD = ();
		3337	%EXTICMD = ();
		3338
		3339	warn "unloading/nuking all extensions";
		3340	for my $pkg (@EXTS) {
1857	warn "unloading <$_>";	3341	warn "... unloading $pkg";
1858	unload_extension $_;	3342
		3343	if (my $cb = $pkg->can ("unload")) {
		3344	eval {
		3345	$cb->($pkg);
		3346	1
		3347	} or warn "$pkg unloaded, but with errors: $@";
1859	}	3348	}
1860		3349
		3350	warn "... nuking $pkg";
		3351	Symbol::delete_package $pkg;
		3352	}
		3353
1861	# unload all modules loaded from $LIBDIR	3354	warn "unloading all perl modules loaded from $LIBDIR";
1862	while (my ($k, $v) = each %INC) {	3355	while (my ($k, $v) = each %INC) {
1863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3356	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1864		3357
1865	warn "removing <$k>";	3358	warn "... unloading $k";
1866	delete $INC{$k};	3359	delete $INC{$k};
1867		3360
1868	$k =~ s/\.pm$//;	3361	$k =~ s/\.pm$//;
1869	$k =~ s/\//::/g;	3362	$k =~ s/\//::/g;
1870		3363
…		…
1873	}	3366	}
1874		3367
1875	Symbol::delete_package $k;	3368	Symbol::delete_package $k;
1876	}	3369	}
1877		3370
1878	# sync database to disk
1879	cf::db_sync;
1880	IO::AIO::flush;
1881
1882	# get rid of safe::, as good as possible	3371	warn "getting rid of safe::, as good as possible";
1883	Symbol::delete_package "safe::$_"	3372	Symbol::delete_package "safe::$_"
1884	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3373	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1885		3374
1886	# remove register_script_function callbacks
1887	# TODO
1888
1889	# unload cf.pm "a bit"	3375	warn "unloading cf.pm \"a bit\"";
1890	delete $INC{"cf.pm"};	3376	delete $INC{"cf.pm"};
		3377	delete $INC{"cf/pod.pm"};
1891		3378
1892	# don't, removes xs symbols, too,	3379	# don't, removes xs symbols, too,
1893	# and global variables created in xs	3380	# and global variables created in xs
1894	#Symbol::delete_package __PACKAGE__;	3381	#Symbol::delete_package __PACKAGE__;
1895		3382
1896	# reload cf.pm	3383	warn "unload completed, starting to reload now";
		3384
1897	warn "reloading cf.pm";	3385	warn "reloading cf.pm";
1898	require cf;	3386	require cf;
1899	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3387	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1900		3388
1901	# load config and database again	3389	warn "loading config and database again";
1902	cf::cfg_load;	3390	cf::reload_config;
1903	cf::db_load;
1904		3391
1905	# load extensions
1906	warn "load extensions";	3392	warn "loading extensions";
1907	cf::load_extensions;	3393	cf::load_extensions;
1908		3394
1909	# reattach attachments to objects	3395	warn "reattaching attachments to objects/players";
1910	warn "reattach";	3396	_global_reattach; # objects, sockets
1911	_global_reattach;	3397	warn "reattaching attachments to maps";
1912	};	3398	reattach $_ for values %MAP;
		3399	warn "reattaching attachments to players";
		3400	reattach $_ for values %PLAYER;
1913		3401
1914	if ($@) {	3402	warn "leaving sync_job";
		3403
		3404	1
		3405	} or do {
1915	warn $@;	3406	warn $@;
1916	warn "error while reloading, exiting.";	3407	warn "error while reloading, exiting.";
1917	exit 1;	3408	exit 1;
1918	}	3409	};
1919		3410
1920	warn "reloaded successfully";	3411	warn "reloaded";
1921	};	3412	};
1922		3413
1923	#############################################################################	3414	our $RELOAD_WATCHER; # used only during reload
1924		3415
1925	unless ($LINK_MAP) {	3416	sub reload_perl() {
1926	$LINK_MAP = cf::map::new;	3417	# doing reload synchronously and two reloads happen back-to-back,
		3418	# coro crashes during coro_state_free->destroy here.
1927		3419
1928	$LINK_MAP->width (41);	3420	$RELOAD_WATCHER ||= Event->timer (
1929	$LINK_MAP->height (41);	3421	reentrant => 0,
1930	$LINK_MAP->alloc;
1931	$LINK_MAP->path ("{link}");
1932	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1933	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1934
1935	# dirty hack because... archetypes are not yet loaded
1936	Event->timer (
1937	after => 2,	3422	after => 0,
		3423	data => WF_AUTOCANCEL,
1938	cb => sub {	3424	cb => sub {
1939	$_[0]->w->cancel;	3425	do_reload_perl;
1940		3426	undef $RELOAD_WATCHER;
1941	# provide some exits "home"
1942	my $exit = cf::object::new "exit";
1943
1944	$exit->slaying ($EMERGENCY_POSITION->[0]);
1945	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1946	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1947
1948	$LINK_MAP->insert ($exit->clone, 19, 19);
1949	$LINK_MAP->insert ($exit->clone, 19, 20);
1950	$LINK_MAP->insert ($exit->clone, 19, 21);
1951	$LINK_MAP->insert ($exit->clone, 20, 19);
1952	$LINK_MAP->insert ($exit->clone, 20, 21);
1953	$LINK_MAP->insert ($exit->clone, 21, 19);
1954	$LINK_MAP->insert ($exit->clone, 21, 20);
1955	$LINK_MAP->insert ($exit->clone, 21, 21);
1956
1957	$exit->destroy;
1958	});	3427	},
1959		3428	);
1960	$LINK_MAP->{deny_save} = 1;
1961	$LINK_MAP->{deny_reset} = 1;
1962
1963	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1964	}	3429	}
1965		3430
1966	register "<global>", __PACKAGE__;
1967
1968	register_command "perl-reload" => sub {	3431	register_command "reload" => sub {
1969	my ($who, $arg) = @_;	3432	my ($who, $arg) = @_;
1970		3433
1971	if ($who->flag (FLAG_WIZ)) {	3434	if ($who->flag (FLAG_WIZ)) {
1972	$who->message ("start of reload.");
1973	perl_reload;
1974	$who->message ("end of reload.");	3435	$who->message ("reloading server.");
		3436	async { reload_perl };
1975	}	3437	}
1976	};	3438	};
1977		3439
1978	unshift @INC, $LIBDIR;	3440	unshift @INC, $LIBDIR;
		3441
		3442	my $bug_warning = 0;
		3443
		3444	our @WAIT_FOR_TICK;
		3445	our @WAIT_FOR_TICK_BEGIN;
		3446
		3447	sub wait_for_tick {
		3448	return unless $TICK_WATCHER->is_active;
		3449	return if $Coro::current == $Coro::main;
		3450
		3451	my $signal = new Coro::Signal;
		3452	push @WAIT_FOR_TICK, $signal;
		3453	$signal->wait;
		3454	}
		3455
		3456	sub wait_for_tick_begin {
		3457	return unless $TICK_WATCHER->is_active;
		3458	return if $Coro::current == $Coro::main;
		3459
		3460	my $signal = new Coro::Signal;
		3461	push @WAIT_FOR_TICK_BEGIN, $signal;
		3462	$signal->wait;
		3463	}
		3464
		3465	our $stat_fh;
		3466	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
1979		3467
1980	$TICK_WATCHER = Event->timer (	3468	$TICK_WATCHER = Event->timer (
1981	reentrant => 0,	3469	reentrant => 0,
		3470	parked => 1,
1982	prio => 0,	3471	prio => 0,
1983	at => $NEXT_TICK || $TICK,	3472	at => $NEXT_TICK || $TICK,
1984	data => WF_AUTOCANCEL,	3473	data => WF_AUTOCANCEL,
1985	cb => sub {	3474	cb => sub {
1986	unless ($FREEZE) {	3475	if ($Coro::current != $Coro::main) {
		3476	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3477	unless ++$bug_warning > 10;
		3478	return;
		3479	}
		3480
		3481	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3482
		3483	$NOW = $tick_start = Event::time;
		3484
1987	cf::server_tick; # one server iteration	3485	cf::server_tick; # one server iteration
		3486
1988	$RUNTIME += $TICK;	3487	$RUNTIME += $TICK;
1989	}
1990
1991	$NEXT_TICK += $TICK;	3488	$NEXT_TICK += $TICK;
1992		3489
		3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3491	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3492	Coro::async_pool {
		3493	write_runtime
		3494	or warn "ERROR: unable to write runtime file: $!";
		3495	};
		3496	}
		3497
		3498	# my $AFTER = Event::time;
		3499	# warn $AFTER - $NOW;#d#
		3500
		3501	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3502	$sig->send;
		3503	}
		3504	while (my $sig = shift @WAIT_FOR_TICK) {
		3505	$sig->send;
		3506	}
		3507
		3508	$NOW = Event::time;
		3509
1993	# if we are delayed by four ticks or more, skip them all	3510	# if we are delayed by four ticks or more, skip them all
1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3511	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
1995		3512
1996	$TICK_WATCHER->at ($NEXT_TICK);	3513	$TICK_WATCHER->at ($NEXT_TICK);
1997	$TICK_WATCHER->start;	3514	$TICK_WATCHER->start;
		3515
		3516	$LOAD = ($NOW - $tick_start) / $TICK;
		3517	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3518
		3519	_post_tick;
		3520
		3521	# gather some statistics#d#
		3522	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3523	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
1998	},	3524	},
1999	);	3525	);
2000		3526
		3527	{
		3528	BDB::min_parallel 8;
2001	IO::AIO::max_poll_time $TICK * 0.2;	3529	BDB::max_poll_time $TICK * 0.1;
2002		3530	$BDB_POLL_WATCHER = Event->io (
2003	Event->io (	3531	reentrant => 0,
2004	fd => IO::AIO::poll_fileno,	3532	fd => BDB::poll_fileno,
2005	poll => 'r',	3533	poll => 'r',
2006	prio => 5,	3534	prio => 0,
2007	data => WF_AUTOCANCEL,
2008	cb => \&IO::AIO::poll_cb,
2009	);
2010
2011	Event->timer (
2012	data => WF_AUTOCANCEL,	3535	data => WF_AUTOCANCEL,
		3536	cb => \&BDB::poll_cb,
		3537	);
		3538
		3539	BDB::set_sync_prepare {
		3540	my $status;
		3541	my $current = $Coro::current;
		3542	(
		3543	sub {
		3544	$status = $!;
		3545	$current->ready; undef $current;
		3546	},
		3547	sub {
		3548	Coro::schedule while defined $current;
		3549	$! = $status;
		3550	},
		3551	)
		3552	};
		3553
		3554	unless ($DB_ENV) {
		3555	$DB_ENV = BDB::db_env_create;
		3556
		3557	cf::sync_job {
		3558	eval {
		3559	BDB::db_env_open
		3560	$DB_ENV,
		3561	$BDBDIR,
		3562	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3563	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3564	0666;
		3565
		3566	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3567
		3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3569	| BDB::LOG_AUTOREMOVE, 1);
		3570	$DB_ENV->set_lk_detect;
		3571	};
		3572
		3573	cf::cleanup "db_env_open(db): $@" if $@;
		3574	};
		3575	}
		3576
		3577	$BDB_CHECKPOINT_WATCHER = Event->timer (
2013	after => 0,	3578	after => 11,
2014	interval => 10,	3579	interval => 60,
		3580	hard => 1,
		3581	prio => 0,
		3582	data => WF_AUTOCANCEL,
2015	cb => sub {	3583	cb => sub {
2016	(Coro::unblock_sub {	3584	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2017	write_runtime	3585	},
2018	or warn "ERROR: unable to write runtime file: $!";	3586	);
		3587	$BDB_TRICKLE_WATCHER = Event->timer (
		3588	after => 5,
		3589	interval => 10,
		3590	hard => 1,
		3591	prio => 0,
		3592	data => WF_AUTOCANCEL,
		3593	cb => sub {
		3594	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3595	},
		3596	);
		3597	}
		3598
		3599	{
		3600	IO::AIO::min_parallel 8;
		3601
		3602	undef $Coro::AIO::WATCHER;
		3603	IO::AIO::max_poll_time $TICK * 0.1;
		3604	$AIO_POLL_WATCHER = Event->io (
		3605	reentrant => 0,
		3606	data => WF_AUTOCANCEL,
		3607	fd => IO::AIO::poll_fileno,
		3608	poll => 'r',
		3609	prio => 6,
		3610	cb => \&IO::AIO::poll_cb,
		3611	);
		3612	}
		3613
		3614	my $_log_backtrace;
		3615
		3616	sub _log_backtrace {
		3617	my ($msg, @addr) = @_;
		3618
		3619	$msg =~ s/\n//;
		3620
		3621	# limit the # of concurrent backtraces
		3622	if ($_log_backtrace < 2) {
		3623	++$_log_backtrace;
		3624	async {
		3625	my @bt = fork_call {
		3626	@addr = map { sprintf "%x", $_ } @addr;
		3627	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3628	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3629	or die "addr2line: $!";
		3630
		3631	my @funcs;
		3632	my @res = <$fh>;
		3633	chomp for @res;
		3634	while (@res) {
		3635	my ($func, $line) = splice @res, 0, 2, ();
		3636	push @funcs, "[$func] $line";
		3637	}
		3638
		3639	@funcs
		3640	};
		3641
		3642	LOG llevInfo, "[ABT] $msg\n";
		3643	LOG llevInfo, "[ABT] $_\n" for @bt;
		3644	--$_log_backtrace;
2019	})->();	3645	};
		3646	} else {
		3647	LOG llevInfo, "[ABT] $msg\n";
		3648	LOG llevInfo, "[ABT] [suppressed]\n";
2020	},	3649	}
2021	);	3650	}
		3651
		3652	# load additional modules
		3653	use cf::pod;
		3654
		3655	END { cf::emergency_save }
2022		3656
2023	1	3657	1
2024		3658

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