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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.106 by root, Sun Dec 31 17:29:22 2006 UTC vs.
Revision 1.347 by root, Thu Aug 30 05:16:09 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;
		29	use Digest::MD5;
20	use Fcntl;	30	use Fcntl;
21	use IO::AIO 2.31 ();
22	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.32 ();
23	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
24		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
25	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
26		44
27	# 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?
28	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
29		47
30	$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
31		49
32	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
33		51
34	our %COMMAND = ();	52	our %COMMAND = ();
35	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
36	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
37		60
		61	our $RELOAD; # number of reloads so far
38	our @EVENT;	62	our @EVENT;
39	our $LIBDIR = datadir . "/ext";
40		63
41	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(!)
42	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
43	our $NEXT_TICK;	80	our $NEXT_TICK;
44	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 $DB_ENV;
45		86
46	our %CFG;	87	our %CFG;
47		88
48	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
49	our $RUNTIME;	90	our $RUNTIME;
50		91
		92	our %PLAYER; # all users
51	our %MAP; # all maps	93	our %MAP; # all maps
52	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
53	our $FREEZE;	95
		96	# used to convert map paths into valid unix filenames by replacing / by ∕
		97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
54		102
55	binmode STDOUT;	103	binmode STDOUT;
56	binmode STDERR;	104	binmode STDERR;
57		105
58	# read virtual server time, if available	106	# read virtual server time, if available
59	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
60	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
61	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
62	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
63	}	111	}
64		112
65	mkdir cf::localdir;	113	mkdir $_
66	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
67	mkdir cf::localdir . "/" . cf::tmpdir;
68	mkdir cf::localdir . "/" . cf::uniquedir;
69		115
70	our %EXT_CORO;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
71		119
72	#############################################################################	120	#############################################################################
73		121
74	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
75		123
…		…
82	=item $cf::RUNTIME	130	=item $cf::RUNTIME
83		131
84	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
85	every server tick.	133	every server tick.
86		134
87	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
88		138
89	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
90	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
91		143
92	=item $cf::NOW	144	=item $cf::NOW
93		145
94	The time of the last (current) server tick.	146	The time of the last (current) server tick.
95		147
96	=item $cf::TICK	148	=item $cf::TICK
97		149
98	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
99		161
100	=item %cf::CFG	162	=item %cf::CFG
101		163
102	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
103	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		170	returns directly I<after> the tick processing (and consequently, can only wake one process
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
104		178
105	=back	179	=back
106		180
107	=cut	181	=cut
108		182
109	BEGIN {	183	BEGIN {
110	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
111	my $msg = join "", @_;	185	my $msg = join "", @_;
112	utf8::encode $msg;
113		186
114	$msg .= "\n"	187	$msg .= "\n"
115	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
116		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
117	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
118	};	194	};
119	}	195	}
120		196
121	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
122	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
123	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
124	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
125	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
126	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
127		204
128	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
129	# within the Safe compartment.	206	# within the Safe compartment.
130	for my $pkg (qw(	207	for my $pkg (qw(
131	cf::global cf::attachable	208	cf::global cf::attachable
…		…
140		217
141	$Event::DIED = sub {	218	$Event::DIED = sub {
142	warn "error in event callback: @_";	219	warn "error in event callback: @_";
143	};	220	};
144		221
145	my %ext_pkg;	222	#############################################################################
146	my @exts;
147	my @hook;
148		223
149	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
150		225
151	=over 4	226	=over 4
152		227
153	=cut	228	=item dumpval $ref
154		229
155	use JSON::Syck (); # TODO# replace by JSON::PC once working	230	=cut
		231
		232	sub dumpval {
		233	eval {
		234	local $SIG{__DIE__};
		235	my $d;
		236	if (1) {
		237	$d = new Data::Dumper([$_[0]], ["*var"]);
		238	$d->Terse(1);
		239	$d->Indent(2);
		240	$d->Quotekeys(0);
		241	$d->Useqq(1);
		242	#$d->Bless(...);
		243	$d->Seen($_[1]) if @_ > 1;
		244	$d = $d->Dump();
		245	}
		246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		247	$d
		248	} || "[unable to dump $_[0]: '$@']";
		249	}
156		250
157	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
158		252
159	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
160		254
161	=cut
162
163	sub from_json($) {
164	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
165	JSON::Syck::Load $_[0]
166	}
167
168	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
169		256
170	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
171		258
172	=cut	259	=cut
173		260
174	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
175	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
176	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
		265
		266	=item cf::lock_wait $string
		267
		268	Wait until the given lock is available. See cf::lock_acquire.
		269
		270	=item my $lock = cf::lock_acquire $string
		271
		272	Wait until the given lock is available and then acquires it and returns
		273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		274	for example when the coroutine gets canceled), the lock is automatically
		275	returned.
		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
		280	Lock names should begin with a unique identifier (for example, cf::map::find
		281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
		287	=cut
		288
		289	our %LOCK;
		290
		291	sub lock_wait($) {
		292	my ($key) = @_;
		293
		294	# wait for lock, if any
		295	while ($LOCK{$key}) {
		296	push @{ $LOCK{$key} }, $Coro::current;
		297	Coro::schedule;
		298	}
177	}	299	}
		300
		301	sub lock_acquire($) {
		302	my ($key) = @_;
		303
		304	# wait, to be sure we are not locked
		305	lock_wait $key;
		306
		307	$LOCK{$key} = [];
		308
		309	Coro::guard {
		310	# wake up all waiters, to be on the safe side
		311	$_->ready for @{ delete $LOCK{$key} };
		312	}
		313	}
		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
		321	sub freeze_mainloop {
		322	return unless $TICK_WATCHER->is_active;
		323
		324	my $guard = Coro::guard {
		325	$TICK_WATCHER->start;
		326	};
		327	$TICK_WATCHER->stop;
		328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
		385	}
		386
		387	=item cf::async { BLOCK }
		388
		389	Currently the same as Coro::async_pool, meaning you cannot use
		390	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		391	thing you are allowed to do is call C<prio> on it.
		392
		393	=cut
		394
		395	BEGIN { *async = \&Coro::async_pool }
178		396
179	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
180		398
181	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
182	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
183	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
184		403
185	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
186	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
187	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
188	fast or be very important.	407	fast or be very important.
…		…
190	=cut	409	=cut
191		410
192	sub sync_job(&) {	411	sub sync_job(&) {
193	my ($job) = @_;	412	my ($job) = @_;
194		413
195	my $busy = 1;
196	my @res;
197
198	# TODO: use suspend/resume instead
199	local $FREEZE = 1;
200
201	my $coro = Coro::async {
202	@res = eval { $job->() };
203	warn $@ if $@;
204	undef $busy;
205	};
206
207	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
		417	# this is the main coro, too bad, we have to block
		418	# till the operation succeeds, freezing the server :/
		419
		420	# TODO: use suspend/resume instead
		421	# (but this is cancel-safe)
		422	my $freeze_guard = freeze_mainloop;
		423
		424	my $busy = 1;
		425	my @res;
		426
		427	(async {
		428	@res = eval { $job->() };
		429	warn $@ if $@;
		430	undef $busy;
208	$coro->prio (Coro::PRIO_MAX);	431	})->prio (Coro::PRIO_MAX);
		432
209	while ($busy) {	433	while ($busy) {
210	Coro::cede_notself;	434	Coro::cede or Event::one_event;
211	Event::one_event unless Coro::nready;
212	}	435	}
		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
		444	wantarray ? @res : $res[0]
213	} else {	445	} else {
214	$coro->join;	446	# we are in another coroutine, how wonderful, everything just works
		447
		448	$job->()
215	}	449	}
216
217	wantarray ? @res : $res[0]
218	}	450	}
219		451
220	=item $coro = cf::coro { BLOCK }	452	=item $coro = cf::async_ext { BLOCK }
221		453
222	Creates and returns a new coro. This coro is automcatially being canceled	454	Like async, but this coro is automatically being canceled when the
223	when the extension calling this is being unloaded.	455	extension calling this is being unloaded.
224		456
225	=cut	457	=cut
226		458
227	sub coro(&) {	459	sub async_ext(&) {
228	my $cb = shift;	460	my $cb = shift;
229		461
230	my $coro; $coro = async {	462	my $coro = &Coro::async ($cb);
231	eval {
232	$cb->();
233	};
234	warn $@ if $@;
235	};
236		463
237	$coro->on_destroy (sub {	464	$coro->on_destroy (sub {
238	delete $EXT_CORO{$coro+0};	465	delete $EXT_CORO{$coro+0};
239	});	466	});
240	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
241		468
242	$coro	469	$coro
243	}	470	}
244		471
		472	=item fork_call { }, $args
		473
		474	Executes the given code block with the given arguments in a seperate
		475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
		478
		479	=cut
		480
		481	sub fork_call(&@) {
		482	my ($cb, @args) = @_;
		483
		484	# we seemingly have to make a local copy of the whole thing,
		485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
		487
		488	my @res = Coro::Util::fork_eval {
		489	reset_signals;
		490	&$cb
		491	}, @args;
		492
		493	wantarray ? @res : $res[-1]
		494	}
		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
		523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		621	}
		622
245	=back	623	=back
246		624
247	=cut	625	=cut
248		626
249	#############################################################################	627	#############################################################################
…		…
254	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
255	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
256		634
257	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
258	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
259	crossfire+).	637	Crossfire TRT).
260		638
261	=over 4	639	=over 4
262		640
263	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
264		642
…		…
378	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
379	our @CB_MAP = ();	757	our @CB_MAP = ();
380		758
381	my %attachment;	759	my %attachment;
382		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
383	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
384	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
385		769
386	use sort 'stable';	770	use sort 'stable';
387		771
…		…
421	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
422		806
423	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
424	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
425	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
426	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
427		811
428	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
429	my $pkg = shift @arg;	813	my $pkg = shift @arg;
430		814
431	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
460	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
461	}	845	}
462		846
463	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
464	} else {	848	} else {
465	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
466	}	850	}
467		851
468	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
469	}	853	}
470		854
…		…
472	if (ref $_[0]) {	856	if (ref $_[0]) {
473	_object_attach @_;	857	_object_attach @_;
474	} else {	858	} else {
475	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
476	}	860	}
		861	_recalc_want;
477	};	862	};
478		863
479	# all those should be optimised	864	# all those should be optimised
480	sub cf::attachable::detach {	865	sub cf::attachable::detach {
481	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
484	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
485	reattach ($obj);	870	reattach ($obj);
486	} else {	871	} else {
487	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
488	}	873	}
		874	_recalc_want;
489	};	875	};
490		876
491	sub cf::attachable::attached {	877	sub cf::attachable::attached {
492	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
493		879
…		…
508	";	894	";
509	die if $@;	895	die if $@;
510	}	896	}
511		897
512	our $override;	898	our $override;
513	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
514		900
515	sub override {	901	sub override {
516	$override = 1;	902	$override = 1;
517	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
518	}	904	}
519		905
520	sub do_invoke {	906	sub do_invoke {
521	my $event = shift;	907	my $event = shift;
522	my $callbacks = shift;	908	my $callbacks = shift;
523		909
524	@invoke_results = ();	910	@INVOKE_RESULTS = ();
525		911
526	local $override;	912	local $override;
527		913
528	for (@$callbacks) {	914	for (@$callbacks) {
529	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
546		932
547	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
548		934
549	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
550	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
551	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
552		938
553	=back	939	=back
554		940
555	=cut	941	=cut
556		942
557	#############################################################################	943	#############################################################################
558	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
559		956
560	sub reattach {	957	sub reattach {
561	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
562	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
563		962
564	my $registry = $obj->registry;	963	my $registry = $obj->registry;
565		964
566	@$registry = ();	965	@$registry = ();
567		966
…		…
614	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
615		1014
616	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
617	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
618	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
619	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
620	close $fh;	1019	close $fh;
621		1020
622	if (@$objs) {	1021	if (@$objs) {
623	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
624	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
625	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
626	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
627	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
628	close $fh;	1027	close $fh;
629	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
630	}	1029	}
631	} else {	1030	} else {
632	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
660	or return;	1059	or return;
661		1060
662	unless (aio_stat "$filename.pst") {	1061	unless (aio_stat "$filename.pst") {
663	(aio_load "$filename.pst", $av) >= 0	1062	(aio_load "$filename.pst", $av) >= 0
664	or return;	1063	or return;
665	$av = eval { (Storable::thaw <$av>)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
666	}	1065	}
667		1066
		1067	warn sprintf "loading %s (%d)\n",
		1068	$filename, length $data, scalar @{$av || []};
668	return ($data, $av);	1069	return ($data, $av);
669	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
670		1077
671	#############################################################################	1078	#############################################################################
672	# command handling &c	1079	# command handling &c
673		1080
674	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
687	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
688	}	1095	}
689		1096
690	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
691		1098
692	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
693		1104
694	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
695	called.	1106	called.
696		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
697	=cut	1119	=cut
698		1120
699	sub register_extcmd {	1121	sub register_extcmd {
700	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
701		1123
702	my $caller = caller;
703	#warn "registering extcmd '$name' to '$caller'";
704
705	$EXTCMD{$name} = [$cb, $caller];	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
706	}	1131	}
707		1132
708	cf::player->attach (	1133	cf::player->attach (
709	on_command => sub {	1134	on_command => sub {
710	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
719	cf::override;	1144	cf::override;
720	},	1145	},
721	on_extcmd => sub {	1146	on_extcmd => sub {
722	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
723		1148
724	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
725		1150
726	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
727	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
728	if (my %reply = $cb->[0]->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
729	$pl->ext_reply ($msg->{msgid}, %reply);
730	}
731	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
732	} else {	1166	} else {
733	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
734	}	1168	}
735		1169
736	cf::override;	1170	cf::override;
737	},	1171	},
738	);	1172	);
739		1173
		1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
		1178	for my $path (<$LIBDIR/*.ext>) {
		1179	next unless -r $path;
		1180
		1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
		1238	}
		1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
		1244	};
		1245	}
		1246
		1247	#############################################################################
		1248
		1249	=back
		1250
		1251	=head2 CORE EXTENSIONS
		1252
		1253	Functions and methods that extend core crossfire objects.
		1254
		1255	=cut
		1256
		1257	package cf::player;
		1258
		1259	use Coro::AIO;
		1260
		1261	=head3 cf::player
		1262
		1263	=over 4
		1264
		1265	=item cf::player::find $login
		1266
		1267	Returns the given player object, loading it if necessary (might block).
		1268
		1269	=cut
		1270
		1271	sub playerdir($) {
		1272	"$PLAYERDIR/"
		1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1274	}
		1275
		1276	sub path($) {
		1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1278
		1279	(playerdir $login) . "/playerdata"
		1280	}
		1281
		1282	sub find_active($) {
		1283	$cf::PLAYER{$_[0]}
		1284	and $cf::PLAYER{$_[0]}->active
		1285	and $cf::PLAYER{$_[0]}
		1286	}
		1287
		1288	sub exists($) {
		1289	my ($login) = @_;
		1290
		1291	$cf::PLAYER{$login}
		1292	or cf::sync_job { !aio_stat path $login }
		1293	}
		1294
		1295	sub find($) {
		1296	return $cf::PLAYER{$_[0]} || do {
		1297	my $login = $_[0];
		1298
		1299	my $guard = cf::lock_acquire "user_find:$login";
		1300
		1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
		1309	my $pl = load_pl path $login
		1310	or return;
		1311	$cf::PLAYER{$login} = $pl
		1312	}
		1313	}
		1314	}
		1315
		1316	sub save($) {
		1317	my ($pl) = @_;
		1318
		1319	return if $pl->{deny_save};
		1320
		1321	my $path = path $pl;
		1322	my $guard = cf::lock_acquire "user_save:$path";
		1323
		1324	return if $pl->{deny_save};
		1325
		1326	aio_mkdir playerdir $pl, 0770;
		1327	$pl->{last_save} = $cf::RUNTIME;
		1328
		1329	$pl->save_pl ($path);
		1330	cf::cede_to_tick;
		1331	}
		1332
		1333	sub new($) {
		1334	my ($login) = @_;
		1335
		1336	my $self = create;
		1337
		1338	$self->ob->name ($login);
		1339	$self->{deny_save} = 1;
		1340
		1341	$cf::PLAYER{$login} = $self;
		1342
		1343	$self
		1344	}
		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
		1354	}
		1355
		1356	=item $pl->quit_character
		1357
		1358	Nukes the player without looking back. If logged in, the connection will
		1359	be destroyed. May block for a long time.
		1360
		1361	=cut
		1362
		1363	sub quit_character {
		1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
		1367
		1368	$pl->{deny_save} = 1;
		1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1370
		1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1372	$pl->deactivate;
		1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1374	$pl->ns->destroy if $pl->ns;
		1375
		1376	my $path = playerdir $pl;
		1377	my $temp = "$path~$cf::RUNTIME~deleting~";
		1378	aio_rename $path, $temp;
		1379	delete $cf::PLAYER{$pl->ob->name};
		1380	$pl->destroy;
		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
		1387	IO::AIO::aio_rmtree $temp;
		1388	}
		1389
		1390	=item $pl->kick
		1391
		1392	Kicks a player out of the game. This destroys the connection.
		1393
		1394	=cut
		1395
		1396	sub kick {
		1397	my ($pl, $kicker) = @_;
		1398
		1399	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1400	$pl->killer ("kicked");
		1401	$pl->ns->destroy;
		1402	}
		1403
		1404	=item cf::player::list_logins
		1405
		1406	Returns am arrayref of all valid playernames in the system, can take a
		1407	while and may block, so not sync_job-capable, ever.
		1408
		1409	=cut
		1410
		1411	sub list_logins {
		1412	my $dirs = aio_readdir $PLAYERDIR
		1413	or return [];
		1414
		1415	my @logins;
		1416
		1417	for my $login (@$dirs) {
		1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1419	aio_read $fh, 0, 512, my $buf, 0 or next;
		1420	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1421
		1422	utf8::decode $login;
		1423	push @logins, $login;
		1424	}
		1425
		1426	\@logins
		1427	}
		1428
		1429	=item $player->maps
		1430
		1431	Returns an arrayref of map paths that are private for this
		1432	player. May block.
		1433
		1434	=cut
		1435
		1436	sub maps($) {
		1437	my ($pl) = @_;
		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
		1440
		1441	my $files = aio_readdir playerdir $pl
		1442	or return;
		1443
		1444	my @paths;
		1445
		1446	for (@$files) {
		1447	utf8::decode $_;
		1448	next if /\.(?:pl|pst)$/;
		1449	next unless /^$PATH_SEP/o;
		1450
		1451	push @paths, cf::map::normalise "~$pl/$_";
		1452	}
		1453
		1454	\@paths
		1455	}
		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGH])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
		1507	=item $player->ext_reply ($msgid, @msg)
		1508
		1509	Sends an ext reply to the player.
		1510
		1511	=cut
		1512
		1513	sub ext_reply($$@) {
		1514	my ($self, $id, @msg) = @_;
		1515
		1516	$self->ns->ext_reply ($id, @msg)
		1517	}
		1518
		1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
		1559
		1560	=back
		1561
		1562	=head3 cf::map
		1563
		1564	=over 4
		1565
		1566	=cut
		1567
		1568	package cf::map;
		1569
		1570	use Fcntl;
		1571	use Coro::AIO;
		1572
		1573	use overload
		1574	'""' => \&as_string,
		1575	fallback => 1;
		1576
		1577	our $MAX_RESET = 3600;
		1578	our $DEFAULT_RESET = 3000;
		1579
		1580	sub generate_random_map {
		1581	my ($self, $rmp) = @_;
		1582	# mit "rum" bekleckern, nicht
		1583	$self->_create_random_map (
		1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1587	$rmp->{exit_on_final_map},
		1588	$rmp->{xsize}, $rmp->{ysize},
		1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1594	(cf::region::find $rmp->{region}), $rmp->{custom}
		1595	)
		1596	}
		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
740	sub register {	1606	sub register {
		1607	my (undef, $regex, $prio) = @_;
		1608	my $pkg = caller;
		1609
		1610	no strict;
		1611	push @{"$pkg\::ISA"}, __PACKAGE__;
		1612
		1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1614	}
		1615
		1616	# also paths starting with '/'
		1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1618
		1619	sub thawer_merge {
741	my ($base, $pkg) = @_;	1620	my ($self, $merge) = @_;
742		1621
743	#TODO	1622	# we have to keep some variables in memory intact
744	}	1623	local $self->{path};
		1624	local $self->{load_path};
745		1625
746	sub load_extension {	1626	$self->SUPER::thawer_merge ($merge);
		1627	}
		1628
		1629	sub normalise {
747	my ($path) = @_;	1630	my ($path, $base) = @_;
748		1631
749	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1632	$path = "$path"; # make sure its a string
750	my $base = $1;
751	my $pkg = $1;
752	$pkg =~ s/[^[:word:]]/_/g;
753	$pkg = "ext::$pkg";
754		1633
755	warn "loading '$path' into '$pkg'\n";	1634	$path =~ s/\.map$//;
756		1635
757	open my $fh, "<:utf8", $path	1636	# map plan:
758	or die "$path: $!";	1637	#
		1638	# /! non-realised random map exit (special hack!)
		1639	# {... are special paths that are not being touched
		1640	# ?xxx/... are special absolute paths
		1641	# ?random/... random maps
		1642	# /... normal maps
		1643	# ~user/... per-player map of a specific user
759		1644
760	my $source =	1645	$path =~ s/$PATH_SEP/\//go;
761	"package $pkg; use strict; use utf8;\n"
762	. "#line 1 \"$path\"\n{\n"
763	. (do { local $/; <$fh> })
764	. "\n};\n1";
765		1646
766	eval $source	1647	# treat it as relative path if it starts with
767	or die $@ ? "$path: $@\n"	1648	# something that looks reasonable
768	: "extension disabled.\n";	1649	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1650	$base or Carp::carp "normalise called with relative path and no base: '$path'";
769		1651
770	push @exts, $pkg;	1652	$base =~ s{[^/]+/?$}{};
771	$ext_pkg{$base} = $pkg;	1653	$path = "$base/$path";
772
773	# no strict 'refs';
774	# @{"$pkg\::ISA"} = ext::;
775
776	register $base, $pkg;
777	}
778
779	sub unload_extension {
780	my ($pkg) = @_;
781
782	warn "removing extension $pkg\n";
783
784	# remove hooks
785	#TODO
786	# for my $idx (0 .. $#PLUGIN_EVENT) {
787	# delete $hook[$idx]{$pkg};
788	# }	1654	}
789		1655
790	# remove commands	1656	for ($path) {
791	for my $name (keys %COMMAND) {	1657	redo if s{//}{/};
792	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };	1658	redo if s{/\.?/}{/};
		1659	redo if s{/[^/]+/\.\./}{/};
		1660	}
793		1661
794	if (@cb) {	1662	$path
795	$COMMAND{$name} = \@cb;	1663	}
		1664
		1665	sub new_from_path {
		1666	my (undef, $path, $base) = @_;
		1667
		1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1669
		1670	$path = normalise $path, $base;
		1671
		1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1674	my $self = bless cf::map::new, $pkg;
		1675	$self->{path} = $path; $self->path ($path);
		1676	$self->init; # pass $1 etc.
		1677	return $self;
		1678	}
		1679	}
		1680
		1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1682	()
		1683	}
		1684
		1685	sub init {
		1686	my ($self) = @_;
		1687
		1688	$self
		1689	}
		1690
		1691	sub as_string {
		1692	my ($self) = @_;
		1693
		1694	"$self->{path}"
		1695	}
		1696
		1697	# the displayed name, this is a one way mapping
		1698	sub visible_name {
		1699	&as_string
		1700	}
		1701
		1702	# the original (read-only) location
		1703	sub load_path {
		1704	my ($self) = @_;
		1705
		1706	"$MAPDIR/$self->{path}.map"
		1707	}
		1708
		1709	# the temporary/swap location
		1710	sub save_path {
		1711	my ($self) = @_;
		1712
		1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1714	"$TMPDIR/$path.map"
		1715	}
		1716
		1717	# the unique path, undef == no special unique path
		1718	sub uniq_path {
		1719	my ($self) = @_;
		1720
		1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1722	"$UNIQUEDIR/$path"
		1723	}
		1724
		1725	# and all this just because we cannot iterate over
		1726	# all maps in C++...
		1727	sub change_all_map_light {
		1728	my ($change) = @_;
		1729
		1730	$_->change_map_light ($change)
		1731	for grep $_->outdoor, values %cf::MAP;
		1732	}
		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
		1742	sub unlink_save {
		1743	my ($self) = @_;
		1744
		1745	utf8::encode (my $save = $self->save_path);
		1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1748	}
		1749
		1750	sub load_header_from($) {
		1751	my ($self, $path) = @_;
		1752
		1753	utf8::encode $path;
		1754	#aio_open $path, O_RDONLY, 0
		1755	# or return;
		1756
		1757	$self->_load_header ($path)
		1758	or return;
		1759
		1760	$self->{load_path} = $path;
		1761
		1762	1
		1763	}
		1764
		1765	sub load_header_orig {
		1766	my ($self) = @_;
		1767
		1768	$self->load_header_from ($self->load_path)
		1769	}
		1770
		1771	sub load_header_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
		1794	}
		1795
		1796	sub load_header {
		1797	my ($self) = @_;
		1798
		1799	if ($self->load_header_temp) {
		1800	$self->prepare_temp;
796	} else {	1801	} else {
797	delete $COMMAND{$name};	1802	$self->load_header_orig
798	}	1803	or return;
		1804	$self->prepare_orig;
		1805	}
		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
		1812
799	}	1813	1
		1814	}
800		1815
801	# remove extcmds	1816	sub find;
802	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {	1817	sub find {
803	delete $EXTCMD{$name};	1818	my ($path, $origin) = @_;
		1819
		1820	$path = normalise $path, $origin && $origin->path;
		1821
		1822	cf::lock_wait "map_find:$path";
		1823
		1824	$cf::MAP{$path} || do {
		1825	my $guard = cf::lock_acquire "map_find:$path";
		1826	my $map = new_from_path cf::map $path
		1827	or return;
		1828
		1829	$map->{last_save} = $cf::RUNTIME;
		1830
		1831	$map->load_header
		1832	or return;
		1833
		1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1835	# doing this can freeze the server in a sync job, obviously
		1836	#$cf::WAIT_FOR_TICK->wait;
		1837	$map->reset;
		1838	undef $guard;
		1839	return find $path;
		1840	}
		1841
		1842	$cf::MAP{$path} = $map
		1843	}
		1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
		1848
		1849	sub load {
		1850	my ($self) = @_;
		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
		1854	my $path = $self->{path};
		1855
804	}	1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
		1858	my $guard2 = cf::lock_acquire "map_load:$path";
805		1859
806	if (my $cb = $pkg->can ("unload")) {	1860	return if $self->in_memory != cf::MAP_SWAPPED;
807	eval {	1861
808	$cb->($pkg);	1862	$self->in_memory (cf::MAP_LOADING);
		1863
		1864	$self->alloc;
		1865
		1866	$self->pre_load;
		1867	cf::cede_to_tick;
		1868
		1869	$self->_load_objects ($self->{load_path}, 1)
		1870	or return;
		1871
		1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1873	if delete $self->{load_original};
		1874
		1875	if (my $uniq = $self->uniq_path) {
		1876	utf8::encode $uniq;
		1877	if (aio_open $uniq, O_RDONLY, 0) {
		1878	$self->clear_unique_items;
		1879	$self->_load_objects ($uniq, 0);
809	1	1880	}
810	} or warn "$pkg unloaded, but with errors: $@";	1881	}
811	}
812		1882
813	Symbol::delete_package $pkg;	1883	cf::cede_to_tick;
814	}	1884	# now do the right thing for maps
		1885	$self->link_multipart_objects;
		1886	$self->difficulty ($self->estimate_difficulty)
		1887	unless $self->difficulty;
		1888	cf::cede_to_tick;
815		1889
816	sub load_extensions {	1890	unless ($self->{deny_activate}) {
817	for my $ext (<$LIBDIR/*.ext>) {	1891	$self->decay_objects;
818	next unless -r $ext;	1892	$self->fix_auto_apply;
819	eval {	1893	$self->update_buttons;
820	load_extension $ext;	1894	cf::cede_to_tick;
821	1	1895	$self->set_darkness_map;
822	} or warn "$ext not loaded: $@";	1896	cf::cede_to_tick;
823	}	1897	$self->activate;
824	}	1898	}
825		1899
826	#############################################################################	1900	$self->{last_save} = $cf::RUNTIME;
827	# load/save/clean perl data associated with a map	1901	$self->last_access ($cf::RUNTIME);
828		1902
829	*cf::mapsupport::on_clean = sub {	1903	$self->in_memory (cf::MAP_IN_MEMORY);
		1904	}
		1905
		1906	$self->post_load;
		1907	}
		1908
		1909	sub customise_for {
		1910	my ($self, $ob) = @_;
		1911
		1912	return find "~" . $ob->name . "/" . $self->{path}
		1913	if $self->per_player;
		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
		1918	$self
		1919	}
		1920
		1921	# find and load all maps in the 3x3 area around a map
		1922	sub load_neighbours {
830	my ($map) = @_;	1923	my ($map) = @_;
831		1924
832	my $path = $map->tmpname;	1925	my @neigh; # diagonal neighbours
833	defined $path or return;
834		1926
835	unlink "$path.pst";	1927	for (0 .. 3) {
836	};	1928	my $neigh = $map->tile_path ($_)
		1929	or next;
		1930	$neigh = find $neigh, $map
		1931	or next;
		1932	$neigh->load;
837		1933
838	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1934	push @neigh,
		1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1937	}
839		1938
840	#############################################################################	1939	for (grep defined $_->[0], @neigh) {
841	# load/save perl data associated with player->ob objects	1940	my ($path, $origin) = @$_;
842		1941	my $neigh = find $path, $origin
843	sub all_objects(@) {	1942	or next;
844	@_, map all_objects ($_->inv), @_	1943	$neigh->load;
		1944	}
845	}	1945	}
846		1946
847	# TODO: compatibility cruft, remove when no longer needed	1947	sub find_sync {
848	cf::player->attach (	1948	my ($path, $origin) = @_;
849	on_load => sub {
850	my ($pl, $path) = @_;
851		1949
852	for my $o (all_objects $pl->ob) {	1950	cf::sync_job { find $path, $origin }
853	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1951	}
854	$o->set_ob_key_value ("_perl_data");
855		1952
856	%$o = %{ Storable::thaw pack "H*", $value };	1953	sub do_load_sync {
		1954	my ($map) = @_;
		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
		1959	cf::sync_job { $map->load };
		1960	}
		1961
		1962	our %MAP_PREFETCH;
		1963	our $MAP_PREFETCHER = undef;
		1964
		1965	sub find_async {
		1966	my ($path, $origin, $load) = @_;
		1967
		1968	$path = normalise $path, $origin && $origin->{path};
		1969
		1970	if (my $map = $cf::MAP{$path}) {
		1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1972	}
		1973
		1974	$MAP_PREFETCH{$path} |= $load;
		1975
		1976	$MAP_PREFETCHER ||= cf::async {
		1977	while (%MAP_PREFETCH) {
		1978	while (my ($k, $v) = each %MAP_PREFETCH) {
		1979	if (my $map = find $k) {
		1980	$map->load if $v;
		1981	}
		1982
		1983	delete $MAP_PREFETCH{$k};
857	}	1984	}
858	}	1985	}
		1986	undef $MAP_PREFETCHER;
		1987	};
		1988	$MAP_PREFETCHER->prio (6);
		1989
		1990	()
		1991	}
		1992
		1993	sub save {
		1994	my ($self) = @_;
		1995
		1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1997
		1998	$self->{last_save} = $cf::RUNTIME;
		1999
		2000	return unless $self->dirty;
		2001
		2002	my $save = $self->save_path; utf8::encode $save;
		2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2004
		2005	$self->{load_path} = $save;
		2006
		2007	return if $self->{deny_save};
		2008
		2009	local $self->{last_access} = $self->last_access;#d#
		2010
		2011	cf::async {
		2012	$_->contr->save for $self->players;
		2013	};
		2014
		2015	if ($uniq) {
		2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2018	} else {
		2019	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
859	},	2020	}
860	);	2021	}
861		2022
862	#############################################################################	2023	sub swap_out {
		2024	my ($self) = @_;
863		2025
864	=head2 CORE EXTENSIONS	2026	# save first because save cedes
		2027	$self->save;
865		2028
866	Functions and methods that extend core crossfire objects.	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
867		2030
868	=head3 cf::player	2031	return if $self->players;
		2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
		2033	return if $self->{deny_save};
		2034
		2035	$self->clear;
		2036	$self->in_memory (cf::MAP_SWAPPED);
		2037	}
		2038
		2039	sub reset_at {
		2040	my ($self) = @_;
		2041
		2042	# TODO: safety, remove and allow resettable per-player maps
		2043	return 1e99 if $self->{deny_reset};
		2044
		2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2047
		2048	$time + $to
		2049	}
		2050
		2051	sub should_reset {
		2052	my ($self) = @_;
		2053
		2054	$self->reset_at <= $cf::RUNTIME
		2055	}
		2056
		2057	sub reset {
		2058	my ($self) = @_;
		2059
		2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2061
		2062	return if $self->players;
		2063
		2064	warn "resetting map ", $self->path;
		2065
		2066	$self->in_memory (cf::MAP_SWAPPED);
		2067
		2068	# need to save uniques path
		2069	unless ($self->{deny_save}) {
		2070	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2071
		2072	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2073	if $uniq;
		2074	}
		2075
		2076	delete $cf::MAP{$self->path};
		2077
		2078	$self->clear;
		2079
		2080	$_->clear_links_to ($self) for values %cf::MAP;
		2081
		2082	$self->unlink_save;
		2083	$self->destroy;
		2084	}
		2085
		2086	my $nuke_counter = "aaaa";
		2087
		2088	sub nuke {
		2089	my ($self) = @_;
		2090
		2091	delete $cf::MAP{$self->path};
		2092
		2093	$self->unlink_save;
		2094
		2095	bless $self, "cf::map";
		2096	delete $self->{deny_reset};
		2097	$self->{deny_save} = 1;
		2098	$self->reset_timeout (1);
		2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2100
		2101	$cf::MAP{$self->path} = $self;
		2102
		2103	$self->reset; # polite request, might not happen
		2104	}
		2105
		2106	=item $maps = cf::map::tmp_maps
		2107
		2108	Returns an arrayref with all map paths of currently instantiated and saved
		2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
		2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
		2123
		2124	=item $maps = cf::map::random_maps
		2125
		2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
		2128
		2129	=cut
		2130
		2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
		2140	}
		2141
		2142	=item cf::map::unique_maps
		2143
		2144	Returns an arrayref of paths of all shared maps that have
		2145	instantiated unique items. May block.
		2146
		2147	=cut
		2148
		2149	sub unique_maps() {
		2150	[
		2151	map {
		2152	utf8::decode $_;
		2153	/\.map$/
		2154	? normalise $_
		2155	: ()
		2156	} @{ aio_readdir $UNIQUEDIR or [] }
		2157	]
		2158	}
		2159
		2160	package cf;
		2161
		2162	=back
		2163
		2164	=head3 cf::object
		2165
		2166	=cut
		2167
		2168	package cf::object;
869		2169
870	=over 4	2170	=over 4
871		2171
872	=item cf::player::exists $login	2172	=item $ob->inv_recursive
873		2173
874	Returns true when the given account exists.	2174	Returns the inventory of the object _and_ their inventories, recursively.
875		2175
876	=cut	2176	=cut
877		2177
878	sub cf::player::exists($) {	2178	sub inv_recursive_;
879	cf::player::find $_[0]	2179	sub inv_recursive_ {
880	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	2180	map { $_, inv_recursive_ $_->inv } @_
881	}	2181	}
882		2182
883	=item $player->ext_reply ($msgid, $msgtype, %msg)	2183	sub inv_recursive {
884		2184	inv_recursive_ inv $_[0]
885	Sends an ext reply to the player.
886
887	=cut
888
889	sub cf::player::ext_reply($$$%) {
890	my ($self, $id, %msg) = @_;
891
892	$msg{msgid} = $id;
893
894	$self->send ("ext " . to_json \%msg);
895	}	2185	}
		2186
		2187	package cf;
896		2188
897	=back	2189	=back
898		2190
899	=head3 cf::object::player	2191	=head3 cf::object::player
900		2192
…		…
916		2208
917	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
918		2210
919	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
920	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
921	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $dialog = $pl->{npc_dialog};
		2219	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2220
		2221	} else {
922	$msg = $npc->name . " says: $msg" if $npc;	2222	$msg = $npc->name . " says: $msg" if $npc;
923	$self->message ($msg, $flags);	2223	$self->message ($msg, $flags);
		2224	}
924	}	2225	}
		2226	}
		2227
		2228	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2229
		2230	=cut
		2231
		2232	sub cf::object::send_msg {
		2233	my $pl = shift->contr
		2234	or return;
		2235	$pl->send_msg (@_);
925	}	2236	}
926		2237
927	=item $player_object->may ("access")	2238	=item $player_object->may ("access")
928		2239
929	Returns wether the given player is authorized to access resource "access"	2240	Returns wether the given player is authorized to access resource "access"
…		…
938	(ref $cf::CFG{"may_$access"}	2249	(ref $cf::CFG{"may_$access"}
939	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2250	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
940	: $cf::CFG{"may_$access"})	2251	: $cf::CFG{"may_$access"})
941	}	2252	}
942		2253
		2254	=item $player_object->enter_link
		2255
		2256	Freezes the player and moves him/her to a special map (C<{link}>).
		2257
		2258	The player should be reasonably safe there for short amounts of time. You
		2259	I<MUST> call C<leave_link> as soon as possible, though.
		2260
		2261	Will never block.
		2262
		2263	=item $player_object->leave_link ($map, $x, $y)
		2264
		2265	Moves the player out of the special C<{link}> map onto the specified
		2266	map. If the map is not valid (or omitted), the player will be moved back
		2267	to the location he/she was before the call to C<enter_link>, or, if that
		2268	fails, to the emergency map position.
		2269
		2270	Might block.
		2271
		2272	=cut
		2273
		2274	sub link_map {
		2275	unless ($LINK_MAP) {
		2276	$LINK_MAP = cf::map::find "{link}"
		2277	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2278	$LINK_MAP->load;
		2279	}
		2280
		2281	$LINK_MAP
		2282	}
		2283
		2284	sub cf::object::player::enter_link {
		2285	my ($self) = @_;
		2286
		2287	$self->deactivate_recursive;
		2288
		2289	return if UNIVERSAL::isa $self->map, "ext::map_link";
		2290
		2291	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		2292	if $self->map && $self->map->{path} ne "{link}";
		2293
		2294	$self->enter_map ($LINK_MAP || link_map, 10, 10);
		2295	}
		2296
		2297	sub cf::object::player::leave_link {
		2298	my ($self, $map, $x, $y) = @_;
		2299
		2300	return unless $self->contr->active;
		2301
		2302	my $link_pos = delete $self->{_link_pos};
		2303
		2304	unless ($map) {
		2305	# restore original map position
		2306	($map, $x, $y) = @{ $link_pos || [] };
		2307	$map = cf::map::find $map;
		2308
		2309	unless ($map) {
		2310	($map, $x, $y) = @$EMERGENCY_POSITION;
		2311	$map = cf::map::find $map
		2312	or die "FATAL: cannot load emergency map\n";
		2313	}
		2314	}
		2315
		2316	($x, $y) = (-1, -1)
		2317	unless (defined $x) && (defined $y);
		2318
		2319	# use -1 or undef as default coordinates, not 0, 0
		2320	($x, $y) = ($map->enter_x, $map->enter_y)
		2321	if $x <=0 && $y <= 0;
		2322
		2323	$map->load;
		2324	$map->load_neighbours;
		2325
		2326	return unless $self->contr->active;
		2327	$self->activate_recursive;
		2328
		2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2330	$self->enter_map ($map, $x, $y);
		2331	}
		2332
		2333	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
		2334
		2335	Moves the player to the given map-path and coordinates by first freezing
		2336	her, loading and preparing them map, calling the provided $check callback
		2337	that has to return the map if sucecssful, and then unfreezes the player on
		2338	the new (success) or old (failed) map position. In either case, $done will
		2339	be called at the end of this process.
		2340
		2341	=cut
		2342
		2343	our $GOTOGEN;
		2344
		2345	sub cf::object::player::goto {
		2346	my ($self, $path, $x, $y, $check, $done) = @_;
		2347
		2348	# do generation counting so two concurrent goto's will be executed in-order
		2349	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
		2350
		2351	$self->enter_link;
		2352
		2353	(async {
		2354	my $map = eval {
		2355	my $map = cf::map::find $path;
		2356
		2357	if ($map) {
		2358	$map = $map->customise_for ($self);
		2359	$map = $check->($map) if $check && $map;
		2360	} else {
		2361	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2362	}
		2363
		2364	$map
		2365	};
		2366
		2367	if ($@) {
		2368	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	LOG llevError | logBacktrace, Carp::longmess $@;
		2370	}
		2371
		2372	if ($gen == $self->{_goto_generation}) {
		2373	delete $self->{_goto_generation};
		2374	$self->leave_link ($map, $x, $y);
		2375	}
		2376
		2377	$done->() if $done;
		2378	})->prio (1);
		2379	}
		2380
		2381	=item $player_object->enter_exit ($exit_object)
		2382
		2383	=cut
		2384
		2385	sub parse_random_map_params {
		2386	my ($spec) = @_;
		2387
		2388	my $rmp = { # defaults
		2389	xsize => (cf::rndm 15, 40),
		2390	ysize => (cf::rndm 15, 40),
		2391	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2392	#layout => string,
		2393	};
		2394
		2395	for (split /\n/, $spec) {
		2396	my ($k, $v) = split /\s+/, $_, 2;
		2397
		2398	$rmp->{lc $k} = $v if (length $k) && (length $v);
		2399	}
		2400
		2401	$rmp
		2402	}
		2403
		2404	sub prepare_random_map {
		2405	my ($exit) = @_;
		2406
		2407	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2408
		2409	# all this does is basically replace the /! path by
		2410	# a new random map path (?random/...) with a seed
		2411	# that depends on the exit object
		2412
		2413	my $rmp = parse_random_map_params $exit->msg;
		2414
		2415	if ($exit->map) {
		2416	$rmp->{region} = $exit->region->name;
		2417	$rmp->{origin_map} = $exit->map->path;
		2418	$rmp->{origin_x} = $exit->x;
		2419	$rmp->{origin_y} = $exit->y;
		2420	}
		2421
		2422	$rmp->{random_seed} ||= $exit->random_seed;
		2423
		2424	my $data = cf::to_json $rmp;
		2425	my $md5 = Digest::MD5::md5_hex $data;
		2426	my $meta = "$RANDOMDIR/$md5.meta";
		2427
		2428	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
		2429	aio_write $fh, 0, (length $data), $data, 0;
		2430	undef $fh;
		2431	aio_rename "$meta~", $meta;
		2432
		2433	$exit->slaying ("?random/$md5");
		2434	$exit->msg (undef);
		2435	}
		2436	}
		2437
		2438	sub cf::object::player::enter_exit {
		2439	my ($self, $exit) = @_;
		2440
		2441	return unless $self->type == cf::PLAYER;
		2442
		2443	if ($exit->slaying eq "/!") {
		2444	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2445	# the problem is that $exit might not survive long enough
		2446	# so it needs to be done right now, right here
		2447	cf::sync_job { prepare_random_map $exit };
		2448	}
		2449
		2450	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2451	my $hp = $exit->stats->hp;
		2452	my $sp = $exit->stats->sp;
		2453
		2454	$self->enter_link;
		2455
		2456	# if exit is damned, update players death & WoR home-position
		2457	$self->contr->savebed ($slaying, $hp, $sp)
		2458	if $exit->flag (FLAG_DAMNED);
		2459
		2460	(async {
		2461	$self->deactivate_recursive; # just to be sure
		2462	unless (eval {
		2463	$self->goto ($slaying, $hp, $sp);
		2464
		2465	1;
		2466	}) {
		2467	$self->message ("Something went wrong deep within the crossfire server. "
		2468	. "I'll try to bring you back to the map you were before. "
		2469	. "Please report this to the dungeon master!",
		2470	cf::NDI_UNIQUE | cf::NDI_RED);
		2471
		2472	warn "ERROR in enter_exit: $@";
		2473	$self->leave_link;
		2474	}
		2475	})->prio (1);
		2476	}
		2477
943	=head3 cf::client	2478	=head3 cf::client
944		2479
945	=over 4	2480	=over 4
946		2481
947	=item $client->send_drawinfo ($text, $flags)	2482	=item $client->send_drawinfo ($text, $flags)
…		…
953		2488
954	sub cf::client::send_drawinfo {	2489	sub cf::client::send_drawinfo {
955	my ($self, $text, $flags) = @_;	2490	my ($self, $text, $flags) = @_;
956		2491
957	utf8::encode $text;	2492	utf8::encode $text;
958	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2493	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
959	}	2494	}
960		2495
		2496	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2497
		2498	Send a drawinfo or msg packet to the client, formatting the msg for the
		2499	client if neccessary. C<$type> should be a string identifying the type of
		2500	the message, with C<log> being the default. If C<$color> is negative, suppress
		2501	the message unless the client supports the msg packet.
		2502
		2503	=cut
		2504
		2505	sub cf::client::send_msg {
		2506	my ($self, $channel, $msg, $color, @extra) = @_;
		2507
		2508	$msg = $self->pl->expand_cfpod ($msg);
		2509
		2510	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2511
		2512	if (ref $channel) {
		2513	# send meta info to client, if not yet sent
		2514	unless (exists $self->{channel}{$channel->{id}}) {
		2515	$self->{channel}{$channel->{id}} = $channel;
		2516	$self->ext_msg (channel_info => $channel);
		2517	}
		2518
		2519	$channel = $channel->{id};
		2520	}
		2521
		2522	return unless @extra || length $msg;
		2523
		2524	if ($self->can_msg) {
		2525	# default colour, mask it out
		2526	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2527	if $color & cf::NDI_DEF;
		2528
		2529	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2530	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2531	} else {
		2532	if ($color >= 0) {
		2533	# replace some tags by gcfclient-compatible ones
		2534	for ($msg) {
		2535	1 while
		2536	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2537	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2538	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2539	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2540	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2541	}
		2542
		2543	$color &= cf::NDI_COLOR_MASK;
		2544
		2545	utf8::encode $msg;
		2546
		2547	if (0 && $msg =~ /\[/) {
		2548	# COMMAND/INFO
		2549	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2550	} else {
		2551	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2552	$self->send_packet ("drawinfo $color $msg")
		2553	}
		2554	}
		2555	}
		2556	}
		2557
		2558	=item $client->ext_msg ($type, @msg)
		2559
		2560	Sends an ext event to the client.
		2561
		2562	=cut
		2563
		2564	sub cf::client::ext_msg($$@) {
		2565	my ($self, $type, @msg) = @_;
		2566
		2567	if ($self->extcmd == 2) {
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2569	} elsif ($self->extcmd == 1) { # TODO: remove
		2570	push @msg, msgtype => "event_$type";
		2571	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2572	}
		2573	}
		2574
		2575	=item $client->ext_reply ($msgid, @msg)
		2576
		2577	Sends an ext reply to the client.
		2578
		2579	=cut
		2580
		2581	sub cf::client::ext_reply($$@) {
		2582	my ($self, $id, @msg) = @_;
		2583
		2584	if ($self->extcmd == 2) {
		2585	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2586	} elsif ($self->extcmd == 1) {
		2587	#TODO: version 1, remove
		2588	unshift @msg, msgtype => "reply", msgid => $id;
		2589	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2590	}
		2591	}
961		2592
962	=item $success = $client->query ($flags, "text", \&cb)	2593	=item $success = $client->query ($flags, "text", \&cb)
963		2594
964	Queues a query to the client, calling the given callback with	2595	Queues a query to the client, calling the given callback with
965	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2596	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
966	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2597	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
967		2598
968	Queries can fail, so check the return code. Or don't, as queries will become	2599	Queries can fail, so check the return code. Or don't, as queries will
969	reliable at some point in the future.	2600	become reliable at some point in the future.
970		2601
971	=cut	2602	=cut
972		2603
973	sub cf::client::query {	2604	sub cf::client::query {
974	my ($self, $flags, $text, $cb) = @_;	2605	my ($self, $flags, $text, $cb) = @_;
…		…
982	utf8::encode $text;	2613	utf8::encode $text;
983	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2614	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
984		2615
985	$self->send_packet ($self->{query_queue}[0][0])	2616	$self->send_packet ($self->{query_queue}[0][0])
986	if @{ $self->{query_queue} } == 1;	2617	if @{ $self->{query_queue} } == 1;
		2618
		2619	1
987	}	2620	}
988		2621
989	cf::client->attach (	2622	cf::client->attach (
		2623	on_connect => sub {
		2624	my ($ns) = @_;
		2625
		2626	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2627	},
990	on_reply => sub {	2628	on_reply => sub {
991	my ($ns, $msg) = @_;	2629	my ($ns, $msg) = @_;
992		2630
993	# this weird shuffling is so that direct followup queries	2631	# this weird shuffling is so that direct followup queries
994	# get handled first	2632	# get handled first
995	my $queue = delete $ns->{query_queue};	2633	my $queue = delete $ns->{query_queue}
		2634	or return; # be conservative, not sure how that can happen, but we saw a crash here
996		2635
997	(shift @$queue)->[1]->($msg);	2636	(shift @$queue)->[1]->($msg);
		2637	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
998		2638
999	push @{ $ns->{query_queue} }, @$queue;	2639	push @{ $ns->{query_queue} }, @$queue;
1000		2640
1001	if (@{ $ns->{query_queue} } == @$queue) {	2641	if (@{ $ns->{query_queue} } == @$queue) {
1002	if (@$queue) {	2642	if (@$queue) {
…		…
1004	} else {	2644	} else {
1005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2645	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1006	}	2646	}
1007	}	2647	}
1008	},	2648	},
		2649	on_exticmd => sub {
		2650	my ($ns, $buf) = @_;
		2651
		2652	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2653
		2654	if (ref $msg) {
		2655	my ($type, $reply, @payload) =
		2656	"ARRAY" eq ref $msg
		2657	? @$msg
		2658	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2659
		2660	my @reply;
		2661
		2662	if (my $cb = $EXTICMD{$type}) {
		2663	@reply = $cb->($ns, @payload);
		2664	}
		2665
		2666	$ns->ext_reply ($reply, @reply)
		2667	if $reply;
		2668
		2669	} else {
		2670	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2671	}
		2672
		2673	cf::override;
		2674	},
1009	);	2675	);
1010		2676
1011	=item $client->coro (\&cb)	2677	=item $client->async (\&cb)
1012		2678
1013	Create a new coroutine, running the specified callback. The coroutine will	2679	Create a new coroutine, running the specified callback. The coroutine will
1014	be automatically cancelled when the client gets destroyed (e.g. on logout,	2680	be automatically cancelled when the client gets destroyed (e.g. on logout,
1015	or loss of connection).	2681	or loss of connection).
1016		2682
1017	=cut	2683	=cut
1018		2684
1019	sub cf::client::coro {	2685	sub cf::client::async {
1020	my ($self, $cb) = @_;	2686	my ($self, $cb) = @_;
1021		2687
1022	my $coro; $coro = async {	2688	my $coro = &Coro::async ($cb);
1023	eval {
1024	$cb->();
1025	};
1026	warn $@ if $@;
1027	};
1028		2689
1029	$coro->on_destroy (sub {	2690	$coro->on_destroy (sub {
1030	delete $self->{_coro}{$coro+0};	2691	delete $self->{_coro}{$coro+0};
1031	});	2692	});
1032		2693
…		…
1059	our $safe = new Safe "safe";	2720	our $safe = new Safe "safe";
1060	our $safe_hole = new Safe::Hole;	2721	our $safe_hole = new Safe::Hole;
1061		2722
1062	$SIG{FPE} = 'IGNORE';	2723	$SIG{FPE} = 'IGNORE';
1063		2724
1064	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2725	$safe->permit_only (Opcode::opset qw(
		2726	:base_core :base_mem :base_orig :base_math
		2727	grepstart grepwhile mapstart mapwhile
		2728	sort time
		2729	));
1065		2730
1066	# here we export the classes and methods available to script code	2731	# here we export the classes and methods available to script code
1067		2732
1068	=pod	2733	=pod
1069		2734
1070	The following fucntions and emthods are available within a safe environment:	2735	The following functions and methods are available within a safe environment:
1071		2736
1072	cf::object contr pay_amount pay_player map	2737	cf::object
		2738	contr pay_amount pay_player map x y force_find force_add
		2739	insert remove name archname title slaying race decrease_ob_nr
		2740
1073	cf::object::player player	2741	cf::object::player
1074	cf::player peaceful	2742	player
1075	cf::map trigger	2743
		2744	cf::player
		2745	peaceful
		2746
		2747	cf::map
		2748	trigger
1076		2749
1077	=cut	2750	=cut
1078		2751
1079	for (	2752	for (
1080	["cf::object" => qw(contr pay_amount pay_player map)],	2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2754	insert remove inv name archname title slaying race
		2755	decrease_ob_nr)],
1081	["cf::object::player" => qw(player)],	2756	["cf::object::player" => qw(player)],
1082	["cf::player" => qw(peaceful)],	2757	["cf::player" => qw(peaceful)],
1083	["cf::map" => qw(trigger)],	2758	["cf::map" => qw(trigger)],
1084	) {	2759	) {
1085	no strict 'refs';	2760	no strict 'refs';
…		…
1156	=back	2831	=back
1157		2832
1158	=cut	2833	=cut
1159		2834
1160	#############################################################################	2835	#############################################################################
		2836	# the server's init and main functions
1161		2837
1162	=head2 EXTENSION DATABASE SUPPORT	2838	sub load_facedata($) {
		2839	my ($path) = @_;
1163		2840
1164	Crossfire maintains a very simple database for extension use. It can	2841	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1165	currently store anything that can be serialised using Storable, which
1166	excludes objects.
1167		2842
1168	The parameter C<$family> should best start with the name of the extension	2843	warn "loading facedata from $path\n";
1169	using it, it should be unique.
1170		2844
1171	=over 4	2845	my $facedata;
		2846	0 < aio_load $path, $facedata
		2847	or die "$path: $!";
1172		2848
1173	=item $hashref = cf::db_get $family	2849	$facedata = Coro::Storable::thaw $facedata;
1174		2850
1175	Return a hashref for use by the extension C<$family>, which can be	2851	$facedata->{version} == 2
1176	modified. After modifications, you have to call C<cf::db_dirty> or	2852	or cf::cleanup "$path: version mismatch, cannot proceed.";
1177	C<cf::db_sync>.
1178		2853
1179	=item $value = cf::db_get $family => $key	2854	# patch in the exptable
1180		2855	$facedata->{resource}{"res/exp_table"} = {
1181	Returns a single value from the database	2856	type => FT_RSRC,
1182		2857	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1183	=item cf::db_put $family => $hashref
1184
1185	Stores the given family hashref into the database. Updates are delayed, if
1186	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1187
1188	=item cf::db_put $family => $key => $value
1189
1190	Stores the given C<$value> in the family hash. Updates are delayed, if you
1191	want the data to be synced to disk immediately, use C<cf::db_sync>.
1192
1193	=item cf::db_dirty
1194
1195	Marks the database as dirty, to be updated at a later time.
1196
1197	=item cf::db_sync
1198
1199	Immediately write the database to disk I<if it is dirty>.
1200
1201	=cut
1202
1203	our $DB;
1204
1205	{
1206	my $path = cf::localdir . "/database.pst";
1207
1208	sub db_load() {
1209	warn "loading database $path\n";#d# remove later
1210	$DB = stat $path ? Storable::retrieve $path : { };
1211	}
1212
1213	my $pid;
1214
1215	sub db_save() {
1216	warn "saving database $path\n";#d# remove later
1217	waitpid $pid, 0 if $pid;
1218	if (0 == ($pid = fork)) {
1219	$DB->{_meta}{version} = 1;
1220	Storable::nstore $DB, "$path~";
1221	rename "$path~", $path;
1222	cf::_exit 0 if defined $pid;
1223	}
1224	}
1225
1226	my $dirty;
1227
1228	sub db_sync() {
1229	db_save if $dirty;
1230	undef $dirty;
1231	}
1232
1233	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1234	db_sync;
1235	});	2858	};
		2859	cf::cede_to_tick;
1236		2860
1237	sub db_dirty() {
1238	$dirty = 1;
1239	$idle->start;
1240	}	2861	{
		2862	my $faces = $facedata->{faceinfo};
1241		2863
1242	sub db_get($;$) {	2864	while (my ($face, $info) = each %$faces) {
1243	@_ >= 2	2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1244	? $DB->{$_[0]}{$_[1]}	2866	cf::face::set_visibility $idx, $info->{visibility};
1245	: ($DB->{$_[0]} ||= { })	2867	cf::face::set_magicmap $idx, $info->{magicmap};
1246	}	2868	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2869	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1247		2870
1248	sub db_put($$;$) {	2871	cf::cede_to_tick;
1249	if (@_ >= 3) {
1250	$DB->{$_[0]}{$_[1]} = $_[2];
1251	} else {
1252	$DB->{$_[0]} = $_[1];
1253	}
1254	db_dirty;
1255	}
1256
1257	cf::global->attach (
1258	prio => 10000,
1259	on_cleanup => sub {
1260	db_sync;
1261	},	2872	}
1262	);
1263	}
1264		2873
1265	#############################################################################	2874	while (my ($face, $info) = each %$faces) {
1266	# the server's main()	2875	next unless $info->{smooth};
		2876	my $idx = cf::face::find $face
		2877	or next;
		2878	if (my $smooth = cf::face::find $info->{smooth}) {
		2879	cf::face::set_smooth $idx, $smooth;
		2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2881	} else {
		2882	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2883	}
1267		2884
1268	sub cfg_load {	2885	cf::cede_to_tick;
		2886	}
		2887	}
		2888
		2889	{
		2890	my $anims = $facedata->{animinfo};
		2891
		2892	while (my ($anim, $info) = each %$anims) {
		2893	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2894	cf::cede_to_tick;
		2895	}
		2896
		2897	cf::anim::invalidate_all; # d'oh
		2898	}
		2899
		2900	{
		2901	# TODO: for gcfclient pleasure, we should give resources
		2902	# that gcfclient doesn't grok a >10000 face index.
		2903	my $res = $facedata->{resource};
		2904
		2905	my $soundconf = delete $res->{"res/sound.conf"};
		2906
		2907	while (my ($name, $info) = each %$res) {
		2908	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2909	my $data;
		2910
		2911	if ($info->{type} & 1) {
		2912	# prepend meta info
		2913
		2914	my $meta = $enc->encode ({
		2915	name => $name,
		2916	%{ $info->{meta} || {} },
		2917	});
		2918
		2919	$data = pack "(w/a*)*", $meta, $info->{data};
		2920	} else {
		2921	$data = $info->{data};
		2922	}
		2923
		2924	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2925	cf::face::set_type $idx, $info->{type};
		2926
		2927	cf::cede_to_tick;
		2928	}
		2929
		2930	if ($soundconf) {
		2931	$soundconf = $enc->decode (delete $soundconf->{data});
		2932
		2933	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2934	my $sound = $soundconf->{compat}[$_]
		2935	or next;
		2936
		2937	my $face = cf::face::find "sound/$sound->[1]";
		2938	cf::sound::set $sound->[0] => $face;
		2939	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2940	}
		2941
		2942	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2943	my $face = cf::face::find "sound/$v";
		2944	cf::sound::set $k => $face;
		2945	}
		2946	}
		2947	}
		2948
		2949	1
		2950	}
		2951
		2952	register_exticmd fx_want => sub {
		2953	my ($ns, $want) = @_;
		2954
		2955	while (my ($k, $v) = each %$want) {
		2956	$ns->fx_want ($k, $v);
		2957	}
		2958	};
		2959
		2960	sub reload_regions {
		2961	load_resource_file "$MAPDIR/regions"
		2962	or die "unable to load regions file\n";
		2963
		2964	for (cf::region::list) {
		2965	$_->{match} = qr/$_->{match}/
		2966	if exists $_->{match};
		2967	}
		2968	}
		2969
		2970	sub reload_facedata {
		2971	load_facedata "$DATADIR/facedata"
		2972	or die "unable to load facedata\n";
		2973	}
		2974
		2975	sub reload_archetypes {
		2976	load_resource_file "$DATADIR/archetypes"
		2977	or die "unable to load archetypes\n";
		2978	#d# NEED to laod twice to resolve forward references
		2979	# this really needs to be done in an extra post-pass
		2980	# (which needs to be synchronous, so solve it differently)
		2981	load_resource_file "$DATADIR/archetypes"
		2982	or die "unable to load archetypes\n";
		2983	}
		2984
		2985	sub reload_treasures {
		2986	load_resource_file "$DATADIR/treasures"
		2987	or die "unable to load treasurelists\n";
		2988	}
		2989
		2990	sub reload_resources {
		2991	warn "reloading resource files...\n";
		2992
		2993	reload_regions;
		2994	reload_facedata;
		2995	#reload_archetypes;#d#
		2996	reload_archetypes;
		2997	reload_treasures;
		2998
		2999	warn "finished reloading resource files\n";
		3000	}
		3001
		3002	sub init {
		3003	reload_resources;
		3004	}
		3005
		3006	sub reload_config {
1269	open my $fh, "<:utf8", cf::confdir . "/config"	3007	open my $fh, "<:utf8", "$CONFDIR/config"
1270	or return;	3008	or return;
1271		3009
1272	local $/;	3010	local $/;
1273	*CFG = YAML::Syck::Load <$fh>;	3011	*CFG = YAML::Syck::Load <$fh>;
		3012
		3013	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3014
		3015	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3016	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3017
		3018	if (exists $CFG{mlockall}) {
		3019	eval {
		3020	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3021	and die "WARNING: m(un)lockall failed: $!\n";
		3022	};
		3023	warn $@ if $@;
		3024	}
1274	}	3025	}
1275		3026
1276	sub main {	3027	sub main {
1277	cfg_load;	3028	# we must not ever block the main coroutine
1278	db_load;	3029	local $Coro::idle = sub {
		3030	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3031	(async {
		3032	Event::one_event;
		3033	})->prio (Coro::PRIO_MAX);
		3034	};
		3035
		3036	reload_config;
		3037	db_init;
1279	load_extensions;	3038	load_extensions;
		3039
		3040	$TICK_WATCHER->start;
1280	Event::loop;	3041	Event::loop;
1281	}	3042	}
1282		3043
1283	#############################################################################	3044	#############################################################################
1284	# initialisation	3045	# initialisation and cleanup
1285		3046
1286	sub _perl_reload() {	3047	# install some emergency cleanup handlers
		3048	BEGIN {
		3049	for my $signal (qw(INT HUP TERM)) {
		3050	Event->signal (
		3051	reentrant => 0,
		3052	data => WF_AUTOCANCEL,
		3053	signal => $signal,
		3054	prio => 0,
		3055	cb => sub {
		3056	cf::cleanup "SIG$signal";
		3057	},
		3058	);
		3059	}
		3060	}
		3061
		3062	sub write_runtime {
		3063	my $runtime = "$LOCALDIR/runtime";
		3064
		3065	# first touch the runtime file to show we are still running:
		3066	# the fsync below can take a very very long time.
		3067
		3068	IO::AIO::aio_utime $runtime, undef, undef;
		3069
		3070	my $guard = cf::lock_acquire "write_runtime";
		3071
		3072	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3073	or return;
		3074
		3075	my $value = $cf::RUNTIME + 90 + 10;
		3076	# 10 is the runtime save interval, for a monotonic clock
		3077	# 60 allows for the watchdog to kill the server.
		3078
		3079	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3080	and return;
		3081
		3082	# always fsync - this file is important
		3083	aio_fsync $fh
		3084	and return;
		3085
		3086	# touch it again to show we are up-to-date
		3087	aio_utime $fh, undef, undef;
		3088
		3089	close $fh
		3090	or return;
		3091
		3092	aio_rename "$runtime~", $runtime
		3093	and return;
		3094
		3095	warn "runtime file written.\n";
		3096
		3097	1
		3098	}
		3099
		3100	sub emergency_save() {
		3101	my $freeze_guard = cf::freeze_mainloop;
		3102
		3103	warn "enter emergency perl save\n";
		3104
		3105	cf::sync_job {
		3106	# use a peculiar iteration method to avoid tripping on perl
		3107	# refcount bugs in for. also avoids problems with players
		3108	# and maps saved/destroyed asynchronously.
		3109	warn "begin emergency player save\n";
		3110	for my $login (keys %cf::PLAYER) {
		3111	my $pl = $cf::PLAYER{$login} or next;
		3112	$pl->valid or next;
		3113	$pl->save;
		3114	}
		3115	warn "end emergency player save\n";
		3116
		3117	warn "begin emergency map save\n";
		3118	for my $path (keys %cf::MAP) {
		3119	my $map = $cf::MAP{$path} or next;
		3120	$map->valid or next;
		3121	$map->save;
		3122	}
		3123	warn "end emergency map save\n";
		3124
		3125	warn "begin emergency database checkpoint\n";
		3126	BDB::db_env_txn_checkpoint $DB_ENV;
		3127	warn "end emergency database checkpoint\n";
		3128	};
		3129
		3130	warn "leave emergency perl save\n";
		3131	}
		3132
		3133	sub post_cleanup {
		3134	my ($make_core) = @_;
		3135
		3136	warn Carp::longmess "post_cleanup backtrace"
		3137	if $make_core;
		3138	}
		3139
		3140	sub do_reload_perl() {
1287	# can/must only be called in main	3141	# can/must only be called in main
1288	if ($Coro::current != $Coro::main) {	3142	if ($Coro::current != $Coro::main) {
1289	warn "can only reload from main coroutine\n";	3143	warn "can only reload from main coroutine";
1290	return;	3144	return;
1291	}	3145	}
1292		3146
1293	warn "reloading...";	3147	warn "reloading...";
1294		3148
1295	local $FREEZE = 1;	3149	warn "entering sync_job";
		3150
		3151	cf::sync_job {
		3152	cf::write_runtime; # external watchdog should not bark
1296	cf::emergency_save;	3153	cf::emergency_save;
		3154	cf::write_runtime; # external watchdog should not bark
1297		3155
1298	eval {	3156	warn "syncing database to disk";
		3157	BDB::db_env_txn_checkpoint $DB_ENV;
		3158
1299	# if anything goes wrong in here, we should simply crash as we already saved	3159	# if anything goes wrong in here, we should simply crash as we already saved
1300		3160
1301	# cancel all watchers	3161	warn "cancelling all WF_AUTOCANCEL watchers";
1302	for (Event::all_watchers) {	3162	for (Event::all_watchers) {
1303	$_->cancel if $_->data & WF_AUTOCANCEL;	3163	$_->cancel if $_->data & WF_AUTOCANCEL;
1304	}	3164	}
1305		3165
		3166	warn "flushing outstanding aio requests";
		3167	for (;;) {
		3168	BDB::flush;
		3169	IO::AIO::flush;
		3170	Coro::cede;
		3171	last unless IO::AIO::nreqs || BDB::nreqs;
		3172	warn "iterate...";
		3173	}
		3174
		3175	++$RELOAD;
		3176
1306	# cancel all extension coros	3177	warn "cancelling all extension coros";
1307	$_->cancel for values %EXT_CORO;	3178	$_->cancel for values %EXT_CORO;
1308	%EXT_CORO = ();	3179	%EXT_CORO = ();
1309		3180
1310	# unload all extensions	3181	warn "removing commands";
1311	for (@exts) {	3182	%COMMAND = ();
		3183
		3184	warn "removing ext/exti commands";
		3185	%EXTCMD = ();
		3186	%EXTICMD = ();
		3187
		3188	warn "unloading/nuking all extensions";
		3189	for my $pkg (@EXTS) {
1312	warn "unloading <$_>";	3190	warn "... unloading $pkg";
1313	unload_extension $_;	3191
		3192	if (my $cb = $pkg->can ("unload")) {
		3193	eval {
		3194	$cb->($pkg);
		3195	1
		3196	} or warn "$pkg unloaded, but with errors: $@";
1314	}	3197	}
1315		3198
		3199	warn "... nuking $pkg";
		3200	Symbol::delete_package $pkg;
		3201	}
		3202
1316	# unload all modules loaded from $LIBDIR	3203	warn "unloading all perl modules loaded from $LIBDIR";
1317	while (my ($k, $v) = each %INC) {	3204	while (my ($k, $v) = each %INC) {
1318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3205	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1319		3206
1320	warn "removing <$k>";	3207	warn "... unloading $k";
1321	delete $INC{$k};	3208	delete $INC{$k};
1322		3209
1323	$k =~ s/\.pm$//;	3210	$k =~ s/\.pm$//;
1324	$k =~ s/\//::/g;	3211	$k =~ s/\//::/g;
1325		3212
…		…
1328	}	3215	}
1329		3216
1330	Symbol::delete_package $k;	3217	Symbol::delete_package $k;
1331	}	3218	}
1332		3219
1333	# sync database to disk
1334	cf::db_sync;
1335	IO::AIO::flush;
1336
1337	# get rid of safe::, as good as possible	3220	warn "getting rid of safe::, as good as possible";
1338	Symbol::delete_package "safe::$_"	3221	Symbol::delete_package "safe::$_"
1339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3222	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1340		3223
1341	# remove register_script_function callbacks
1342	# TODO
1343
1344	# unload cf.pm "a bit"	3224	warn "unloading cf.pm \"a bit\"";
1345	delete $INC{"cf.pm"};	3225	delete $INC{"cf.pm"};
		3226	delete $INC{"cf/pod.pm"};
1346		3227
1347	# don't, removes xs symbols, too,	3228	# don't, removes xs symbols, too,
1348	# and global variables created in xs	3229	# and global variables created in xs
1349	#Symbol::delete_package __PACKAGE__;	3230	#Symbol::delete_package __PACKAGE__;
1350		3231
1351	# reload cf.pm	3232	warn "unload completed, starting to reload now";
		3233
1352	warn "reloading cf.pm";	3234	warn "reloading cf.pm";
1353	require cf;	3235	require cf;
1354	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3236	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1355		3237
1356	# load config and database again	3238	warn "loading config and database again";
1357	cf::cfg_load;	3239	cf::reload_config;
1358	cf::db_load;
1359		3240
1360	# load extensions
1361	warn "load extensions";	3241	warn "loading extensions";
1362	cf::load_extensions;	3242	cf::load_extensions;
1363		3243
1364	# reattach attachments to objects	3244	warn "reattaching attachments to objects/players";
1365	warn "reattach";	3245	_global_reattach; # objects, sockets
1366	_global_reattach;	3246	warn "reattaching attachments to maps";
1367	};	3247	reattach $_ for values %MAP;
		3248	warn "reattaching attachments to players";
		3249	reattach $_ for values %PLAYER;
1368		3250
1369	if ($@) {	3251	warn "leaving sync_job";
		3252
		3253	1
		3254	} or do {
1370	warn $@;	3255	warn $@;
1371	warn "error while reloading, exiting.";	3256	warn "error while reloading, exiting.";
1372	exit 1;	3257	exit 1;
1373	}	3258	};
1374		3259
1375	warn "reloaded successfully";	3260	warn "reloaded";
1376	};	3261	};
1377		3262
1378	sub perl_reload() {	3263	our $RELOAD_WATCHER; # used only during reload
1379	_perl_reload;
1380	}
1381		3264
1382	register "<global>", __PACKAGE__;	3265	sub reload_perl() {
		3266	# doing reload synchronously and two reloads happen back-to-back,
		3267	# coro crashes during coro_state_free->destroy here.
1383		3268
		3269	$RELOAD_WATCHER ||= Event->timer (
		3270	reentrant => 0,
		3271	after => 0,
		3272	data => WF_AUTOCANCEL,
		3273	cb => sub {
		3274	do_reload_perl;
		3275	undef $RELOAD_WATCHER;
		3276	},
		3277	);
		3278	}
		3279
1384	register_command "perl-reload" => sub {	3280	register_command "reload" => sub {
1385	my ($who, $arg) = @_;	3281	my ($who, $arg) = @_;
1386		3282
1387	if ($who->flag (FLAG_WIZ)) {	3283	if ($who->flag (FLAG_WIZ)) {
1388	$who->message ("reloading...");	3284	$who->message ("reloading server.");
1389	_perl_reload;	3285	async { reload_perl };
1390	}	3286	}
1391	};	3287	};
1392		3288
1393	unshift @INC, $LIBDIR;	3289	unshift @INC, $LIBDIR;
1394		3290
		3291	my $bug_warning = 0;
		3292
		3293	our @WAIT_FOR_TICK;
		3294	our @WAIT_FOR_TICK_BEGIN;
		3295
		3296	sub wait_for_tick {
		3297	return unless $TICK_WATCHER->is_active;
		3298	return if $Coro::current == $Coro::main;
		3299
		3300	my $signal = new Coro::Signal;
		3301	push @WAIT_FOR_TICK, $signal;
		3302	$signal->wait;
		3303	}
		3304
		3305	sub wait_for_tick_begin {
		3306	return unless $TICK_WATCHER->is_active;
		3307	return if $Coro::current == $Coro::main;
		3308
		3309	my $signal = new Coro::Signal;
		3310	push @WAIT_FOR_TICK_BEGIN, $signal;
		3311	$signal->wait;
		3312	}
		3313
		3314	my $min = 1e6;#d#
		3315	my $avg = 10;
1395	$TICK_WATCHER = Event->timer (	3316	$TICK_WATCHER = Event->timer (
1396	reentrant => 0,	3317	reentrant => 0,
		3318	parked => 1,
1397	prio => 0,	3319	prio => 0,
1398	at => $NEXT_TICK || $TICK,	3320	at => $NEXT_TICK || $TICK,
1399	data => WF_AUTOCANCEL,	3321	data => WF_AUTOCANCEL,
1400	cb => sub {	3322	cb => sub {
1401	unless ($FREEZE) {	3323	if ($Coro::current != $Coro::main) {
		3324	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3325	unless ++$bug_warning > 10;
		3326	return;
		3327	}
		3328
		3329	$NOW = $tick_start = Event::time;
		3330
1402	cf::server_tick; # one server iteration	3331	cf::server_tick; # one server iteration
1403	$RUNTIME += $TICK;	3332
		3333	0 && sync_job {#d#
		3334	for(1..10) {
		3335	my $t = Event::time;
		3336	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3337	or die;
		3338
		3339	$map->width (50);
		3340	$map->height (50);
		3341	$map->alloc;
		3342	$map->_load_objects ("/tmp/x.map", 1);
		3343	my $t = Event::time - $t;
		3344
		3345	#next unless $t < 0.0013;#d#
		3346	if ($t < $min) {
		3347	$min = $t;
		3348	}
		3349	$avg = $avg * 0.99 + $t * 0.01;
		3350	}
		3351	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3352	exit 0;
		3353	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
1404	}	3354	};
1405		3355
		3356	$RUNTIME += $TICK;
1406	$NEXT_TICK += $TICK;	3357	$NEXT_TICK += $TICK;
1407		3358
		3359	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3360	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3361	Coro::async_pool {
		3362	write_runtime
		3363	or warn "ERROR: unable to write runtime file: $!";
		3364	};
		3365	}
		3366
		3367	# my $AFTER = Event::time;
		3368	# warn $AFTER - $NOW;#d#
		3369
		3370	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3371	$sig->send;
		3372	}
		3373	while (my $sig = shift @WAIT_FOR_TICK) {
		3374	$sig->send;
		3375	}
		3376
		3377	$NOW = Event::time;
		3378
1408	# if we are delayed by four ticks or more, skip them all	3379	# if we are delayed by four ticks or more, skip them all
1409	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3380	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
1410		3381
1411	$TICK_WATCHER->at ($NEXT_TICK);	3382	$TICK_WATCHER->at ($NEXT_TICK);
1412	$TICK_WATCHER->start;	3383	$TICK_WATCHER->start;
		3384
		3385	$LOAD = ($NOW - $tick_start) / $TICK;
		3386	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3387
		3388	_post_tick;
		3389
		3390
1413	},	3391	},
1414	);	3392	);
1415		3393
		3394	{
		3395	BDB::max_poll_time $TICK * 0.1;
		3396	$BDB_POLL_WATCHER = Event->io (
		3397	reentrant => 0,
		3398	fd => BDB::poll_fileno,
		3399	poll => 'r',
		3400	prio => 0,
		3401	data => WF_AUTOCANCEL,
		3402	cb => \&BDB::poll_cb,
		3403	);
		3404	BDB::min_parallel 8;
		3405
		3406	BDB::set_sync_prepare {
		3407	my $status;
		3408	my $current = $Coro::current;
		3409	(
		3410	sub {
		3411	$status = $!;
		3412	$current->ready; undef $current;
		3413	},
		3414	sub {
		3415	Coro::schedule while defined $current;
		3416	$! = $status;
		3417	},
		3418	)
		3419	};
		3420
		3421	unless ($DB_ENV) {
		3422	$DB_ENV = BDB::db_env_create;
		3423
		3424	cf::sync_job {
		3425	eval {
		3426	BDB::db_env_open
		3427	$DB_ENV,
		3428	$BDBDIR,
		3429	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3430	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3431	0666;
		3432
		3433	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3434
		3435	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3436	$DB_ENV->set_lk_detect;
		3437	};
		3438
		3439	cf::cleanup "db_env_open(db): $@" if $@;
		3440	};
		3441	}
		3442	}
		3443
		3444	{
		3445	IO::AIO::min_parallel 8;
		3446
		3447	undef $Coro::AIO::WATCHER;
1416	IO::AIO::max_poll_time $TICK * 0.2;	3448	IO::AIO::max_poll_time $TICK * 0.1;
1417		3449	$AIO_POLL_WATCHER = Event->io (
1418	Event->io (fd => IO::AIO::poll_fileno,	3450	reentrant => 0,
1419	poll => 'r',
1420	prio => 5,
1421	data => WF_AUTOCANCEL,	3451	data => WF_AUTOCANCEL,
		3452	fd => IO::AIO::poll_fileno,
		3453	poll => 'r',
		3454	prio => 6,
1422	cb => \&IO::AIO::poll_cb);	3455	cb => \&IO::AIO::poll_cb,
		3456	);
		3457	}
1423		3458
1424	# we must not ever block the main coroutine	3459	my $_log_backtrace;
1425	$Coro::idle = sub {	3460
1426	#Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	3461	sub _log_backtrace {
1427	warn "FATAL: Coro::idle was called, major BUG\n";	3462	my ($msg, @addr) = @_;
1428	(Coro::unblock_sub {	3463
1429	Event::one_event;	3464	$msg =~ s/\n//;
1430	})->();	3465
1431	};	3466	# limit the # of concurrent backtraces
		3467	if ($_log_backtrace < 2) {
		3468	++$_log_backtrace;
		3469	async {
		3470	my @bt = fork_call {
		3471	@addr = map { sprintf "%x", $_ } @addr;
		3472	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3473	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3474	or die "addr2line: $!";
		3475
		3476	my @funcs;
		3477	my @res = <$fh>;
		3478	chomp for @res;
		3479	while (@res) {
		3480	my ($func, $line) = splice @res, 0, 2, ();
		3481	push @funcs, "[$func] $line";
		3482	}
		3483
		3484	@funcs
		3485	};
		3486
		3487	LOG llevInfo, "[ABT] $msg\n";
		3488	LOG llevInfo, "[ABT] $_\n" for @bt;
		3489	--$_log_backtrace;
		3490	};
		3491	} else {
		3492	LOG llevInfo, "[ABT] $msg\n";
		3493	LOG llevInfo, "[ABT] [suppressed]\n";
		3494	}
		3495	}
		3496
		3497	# load additional modules
		3498	use cf::pod;
		3499
		3500	END { cf::emergency_save }
1432		3501
1433	1	3502	1
1434		3503

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