ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.98 by root, Fri Dec 22 16:34:00 2006 UTC vs.
Revision 1.277 by root, Sun Jun 10 04:24:50 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;	15	use Coro 3.61 ();
		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
19	use IO::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24
		25	use BDB ();
		26	use Data::Dumper;
		27	use Digest::MD5;
		28	use Fcntl;
20	use YAML::Syck ();	29	use YAML::Syck ();
		30	use IO::AIO 2.32 ();
21	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
22		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
23	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
24		41
25	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
26	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
27		44
28	$Coro::main->prio (Coro::PRIO_MIN);	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
29		46
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		48
32	our %COMMAND = ();	49	our %COMMAND = ();
33	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
34	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
35		56
36	_init_vars;	57	our $RELOAD; # number of reloads so far
37
38	our @EVENT;	58	our @EVENT;
39	our $LIBDIR = datadir . "/ext";
40		59
41	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
42	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
43	our $NEXT_TICK;	76	our $NEXT_TICK;
		77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
44		82
45	our %CFG;	83	our %CFG;
46		84
47	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
		86	our $RUNTIME;
		87
		88	our %PLAYER; # all users
		89	our %MAP; # all maps
		90	our $LINK_MAP; # the special {link} map, which is always available
		91
		92	# used to convert map paths into valid unix filenames by replacing / by ∕
		93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
		98
		99	binmode STDOUT;
		100	binmode STDERR;
		101
		102	# read virtual server time, if available
		103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
		104	open my $fh, "<", "$LOCALDIR/runtime"
		105	or die "unable to read runtime file: $!";
		106	$RUNTIME = <$fh> + 0.;
		107	}
		108
		109	mkdir $_
		110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		111
		112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
48		115
49	#############################################################################	116	#############################################################################
50		117
51	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
52		119
…		…
54		121
55	=item $cf::UPTIME	122	=item $cf::UPTIME
56		123
57	The timestamp of the server start (so not actually an uptime).	124	The timestamp of the server start (so not actually an uptime).
58		125
59	=item $cf::LIBDIR	126	=item $cf::RUNTIME
60		127
61	The perl library directory, where extensions and cf-specific modules can	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
62	be found. It will be added to C<@INC> automatically.	129	every server tick.
		130
		131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
		134
		135	Various directories - "/etc", read-only install directory, perl-library
		136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
		139
		140	=item $cf::NOW
		141
		142	The time of the last (current) server tick.
63		143
64	=item $cf::TICK	144	=item $cf::TICK
65		145
66	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
67		157
68	=item %cf::CFG	158	=item %cf::CFG
69		159
70	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
71	from wherever your confdir points to.	161	from wherever your confdir points to.
		162
		163	=item cf::wait_for_tick, cf::wait_for_tick_begin
		164
		165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		166	returns directly I<after> the tick processing (and consequently, can only wake one process
		167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
72		168
73	=back	169	=back
74		170
75	=cut	171	=cut
76		172
77	BEGIN {	173	BEGIN {
78	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
79	my $msg = join "", @_;	175	my $msg = join "", @_;
		176
80	$msg .= "\n"	177	$msg .= "\n"
81	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
82		179
83	print STDERR "cfperl: $msg";	180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
84	LOG llevError, "cfperl: $msg";	183	LOG llevError, $msg;
85	};	184	};
86	}	185	}
87		186
88	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
89	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
90	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
91	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
92	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
93	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
94		194
95	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
96	# within the Safe compartment.	196	# within the Safe compartment.
97	for my $pkg (qw(	197	for my $pkg (qw(
98	cf::global	198	cf::global cf::attachable
99	cf::object cf::object::player	199	cf::object cf::object::player
100	cf::client cf::player	200	cf::client cf::player
101	cf::arch cf::living	201	cf::arch cf::living
102	cf::map cf::party cf::region	202	cf::map cf::party cf::region
103	)) {	203	)) {
…		…
107		207
108	$Event::DIED = sub {	208	$Event::DIED = sub {
109	warn "error in event callback: @_";	209	warn "error in event callback: @_";
110	};	210	};
111		211
112	my %ext_pkg;
113	my @exts;
114	my @hook;
115
116	=head2 UTILITY FUNCTIONS	212	=head2 UTILITY FUNCTIONS
117		213
118	=over 4	214	=over 4
119		215
120	=cut	216	=item dumpval $ref
121		217
		218	=cut
		219
		220	sub dumpval {
		221	eval {
		222	local $SIG{__DIE__};
		223	my $d;
		224	if (1) {
		225	$d = new Data::Dumper([$_[0]], ["*var"]);
		226	$d->Terse(1);
		227	$d->Indent(2);
		228	$d->Quotekeys(0);
		229	$d->Useqq(1);
		230	#$d->Bless(...);
		231	$d->Seen($_[1]) if @_ > 1;
		232	$d = $d->Dump();
		233	}
		234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		235	$d
		236	} || "[unable to dump $_[0]: '$@']";
		237	}
		238
122	use JSON::Syck (); # TODO# replace by JSON::PC once working	239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
123		240
124	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
125		242
126	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
127		244
128	=cut
129
130	sub from_json($) {
131	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
132	JSON::Syck::Load $_[0]
133	}
134
135	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
136		246
137	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
138		248
139	=cut	249	=item cf::lock_wait $string
140		250
141	sub to_json($) {	251	Wait until the given lock is available. See cf::lock_acquire.
142	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	252
143	JSON::Syck::Dump $_[0]	253	=item my $lock = cf::lock_acquire $string
		254
		255	Wait until the given lock is available and then acquires it and returns
		256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		257	for example when the coroutine gets canceled), the lock is automatically
		258	returned.
		259
		260	Lock names should begin with a unique identifier (for example, cf::map::find
		261	uses map_find and cf::map::load uses map_load).
		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
		267	=cut
		268
		269	our %LOCK;
		270
		271	sub lock_wait($) {
		272	my ($key) = @_;
		273
		274	# wait for lock, if any
		275	while ($LOCK{$key}) {
		276	push @{ $LOCK{$key} }, $Coro::current;
		277	Coro::schedule;
		278	}
		279	}
		280
		281	sub lock_acquire($) {
		282	my ($key) = @_;
		283
		284	# wait, to be sure we are not locked
		285	lock_wait $key;
		286
		287	$LOCK{$key} = [];
		288
		289	Coro::guard {
		290	# wake up all waiters, to be on the safe side
		291	$_->ready for @{ delete $LOCK{$key} };
		292	}
		293	}
		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
		301	sub freeze_mainloop {
		302	return unless $TICK_WATCHER->is_active;
		303
		304	my $guard = Coro::guard {
		305	$TICK_WATCHER->start;
		306	};
		307	$TICK_WATCHER->stop;
		308	$guard
		309	}
		310
		311	=item cf::async { BLOCK }
		312
		313	Currently the same as Coro::async_pool, meaning you cannot use
		314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		315	thing you are allowed to do is call C<prio> on it.
		316
		317	=cut
		318
		319	BEGIN { *async = \&Coro::async_pool }
		320
		321	=item cf::sync_job { BLOCK }
		322
		323	The design of crossfire+ requires that the main coro ($Coro::main) is
		324	always able to handle events or runnable, as crossfire+ is only partly
		325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		326
		327	If it must be done, put the blocking parts into C<sync_job>. This will run
		328	the given BLOCK in another coroutine while waiting for the result. The
		329	server will be frozen during this time, so the block should either finish
		330	fast or be very important.
		331
		332	=cut
		333
		334	sub sync_job(&) {
		335	my ($job) = @_;
		336
		337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
		340	# this is the main coro, too bad, we have to block
		341	# till the operation succeeds, freezing the server :/
		342
		343	# TODO: use suspend/resume instead
		344	# (but this is cancel-safe)
		345	my $freeze_guard = freeze_mainloop;
		346
		347	my $busy = 1;
		348	my @res;
		349
		350	(async {
		351	@res = eval { $job->() };
		352	warn $@ if $@;
		353	undef $busy;
		354	})->prio (Coro::PRIO_MAX);
		355
		356	while ($busy) {
		357	Coro::cede or Event::one_event;
		358	}
		359
		360	$time = Event::time - $time;
		361
		362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		364
		365	$tick_start += $time; # do not account sync jobs to server load
		366
		367	wantarray ? @res : $res[0]
		368	} else {
		369	# we are in another coroutine, how wonderful, everything just works
		370
		371	$job->()
		372	}
		373	}
		374
		375	=item $coro = cf::async_ext { BLOCK }
		376
		377	Like async, but this coro is automatically being canceled when the
		378	extension calling this is being unloaded.
		379
		380	=cut
		381
		382	sub async_ext(&) {
		383	my $cb = shift;
		384
		385	my $coro = &Coro::async ($cb);
		386
		387	$coro->on_destroy (sub {
		388	delete $EXT_CORO{$coro+0};
		389	});
		390	$EXT_CORO{$coro+0} = $coro;
		391
		392	$coro
		393	}
		394
		395	sub write_runtime {
		396	my $runtime = "$LOCALDIR/runtime";
		397
		398	# first touch the runtime file to show we are still running:
		399	# the fsync below can take a very very long time.
		400
		401	IO::AIO::aio_utime $runtime, undef, undef;
		402
		403	my $guard = cf::lock_acquire "write_runtime";
		404
		405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		406	or return;
		407
		408	my $value = $cf::RUNTIME + 90 + 10;
		409	# 10 is the runtime save interval, for a monotonic clock
		410	# 60 allows for the watchdog to kill the server.
		411
		412	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		413	and return;
		414
		415	# always fsync - this file is important
		416	aio_fsync $fh
		417	and return;
		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
		422	close $fh
		423	or return;
		424
		425	aio_rename "$runtime~", $runtime
		426	and return;
		427
		428	warn "runtime file written.\n";
		429
		430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
144	}	442	}
145		443
146	=back	444	=back
147		445
148	=cut	446	=cut
…		…
269	exception.	567	exception.
270		568
271	=cut	569	=cut
272		570
273	# the following variables are defined in .xs and must not be re-created	571	# the following variables are defined in .xs and must not be re-created
274	our @CB_GLOBAL = (); # registry for all global events	572	our @CB_GLOBAL = (); # registry for all global events
		573	our @CB_ATTACHABLE = (); # registry for all attachables
275	our @CB_OBJECT = (); # all objects (should not be used except in emergency)	574	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
276	our @CB_PLAYER = ();	575	our @CB_PLAYER = ();
277	our @CB_CLIENT = ();	576	our @CB_CLIENT = ();
278	our @CB_TYPE = (); # registry for type (cf-object class) based events	577	our @CB_TYPE = (); # registry for type (cf-object class) based events
279	our @CB_MAP = ();	578	our @CB_MAP = ();
280		579
281	my %attachment;	580	my %attachment;
		581
		582	sub cf::attachable::thawer_merge {
		583	# simply override everything except _meta
		584	local $_[0]{_meta};
		585	%{$_[0]} = %{$_[1]};
		586	}
282		587
283	sub _attach_cb($$$$) {	588	sub _attach_cb($$$$) {
284	my ($registry, $event, $prio, $cb) = @_;	589	my ($registry, $event, $prio, $cb) = @_;
285		590
286	use sort 'stable';	591	use sort 'stable';
…		…
289		594
290	@{$registry->[$event]} = sort	595	@{$registry->[$event]} = sort
291	{ $a->[0] cmp $b->[0] }	596	{ $a->[0] cmp $b->[0] }
292	@{$registry->[$event] || []}, $cb;	597	@{$registry->[$event] || []}, $cb;
293	}	598	}
		599
		600	# hack
		601	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
294		602
295	# attach handles attaching event callbacks	603	# attach handles attaching event callbacks
296	# the only thing the caller has to do is pass the correct	604	# the only thing the caller has to do is pass the correct
297	# registry (== where the callback attaches to).	605	# registry (== where the callback attaches to).
298	sub _attach {	606	sub _attach {
…		…
300		608
301	my $object_type;	609	my $object_type;
302	my $prio = 0;	610	my $prio = 0;
303	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;	611	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
304		612
		613	#TODO: get rid of this hack
		614	if ($attachable_klass{$klass}) {
		615	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		616	}
		617
305	while (@arg) {	618	while (@arg) {
306	my $type = shift @arg;	619	my $type = shift @arg;
307		620
308	if ($type eq "prio") {	621	if ($type eq "prio") {
309	$prio = shift @arg;	622	$prio = shift @arg;
…		…
313	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
314		627
315	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
316	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
317	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
318	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
319		632
320	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
321	my $pkg = shift @arg;	634	my $pkg = shift @arg;
322		635
323	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
364	if (ref $_[0]) {	677	if (ref $_[0]) {
365	_object_attach @_;	678	_object_attach @_;
366	} else {	679	} else {
367	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
368	}	681	}
		682	_recalc_want;
369	};	683	};
370		684
371	# all those should be optimised	685	# all those should be optimised
372	sub cf::attachable::detach {	686	sub cf::attachable::detach {
373	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
376	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
377	reattach ($obj);	691	reattach ($obj);
378	} else {	692	} else {
379	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
380	}	694	}
		695	_recalc_want;
381	};	696	};
382		697
383	sub cf::attachable::attached {	698	sub cf::attachable::attached {
384	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
385		700
386	exists $obj->{_attachment}{$name}	701	exists $obj->{_attachment}{$name}
387	}	702	}
388		703
389	for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) {	704	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
390	eval "#line " . __LINE__ . " 'cf.pm'	705	eval "#line " . __LINE__ . " 'cf.pm'
391	sub cf::\L$klass\E::_attach_registry {	706	sub cf::\L$klass\E::_attach_registry {
392	(\\\@CB_$klass, KLASS_$klass)	707	(\\\@CB_$klass, KLASS_$klass)
393	}	708	}
394		709
…		…
447	=cut	762	=cut
448		763
449	#############################################################################	764	#############################################################################
450	# object support	765	# object support
451		766
452	sub instantiate {
453	my ($obj, $data) = @_;
454
455	$data = from_json $data;
456
457	for (@$data) {
458	my ($name, $args) = @$_;
459
460	$obj->attach ($name, %{$args || {} });
461	}
462	}
463
464	# basically do the same as instantiate, without calling instantiate
465	sub reattach {	767	sub reattach {
		768	# basically do the same as instantiate, without calling instantiate
466	my ($obj) = @_;	769	my ($obj) = @_;
		770
		771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
		772
467	my $registry = $obj->registry;	773	my $registry = $obj->registry;
468		774
469	@$registry = ();	775	@$registry = ();
470		776
471	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };	777	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
…		…
480	warn "object uses attachment '$name' that is not available, postponing.\n";	786	warn "object uses attachment '$name' that is not available, postponing.\n";
481	}	787	}
482	}	788	}
483	}	789	}
484		790
485	sub object_freezer_save {	791	cf::attachable->attach (
486	my ($filename, $rdata, $objs) = @_;
487
488	if (length $$rdata) {
489	warn sprintf "saving %s (%d,%d)\n",
490	$filename, length $$rdata, scalar @$objs;
491
492	if (open my $fh, ">:raw", "$filename~") {
493	chmod SAVE_MODE, $fh;
494	syswrite $fh, $$rdata;
495	close $fh;
496
497	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
498	chmod SAVE_MODE, $fh;
499	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
500	close $fh;
501	rename "$filename.pst~", "$filename.pst";
502	} else {
503	unlink "$filename.pst";
504	}
505
506	rename "$filename~", $filename;
507	} else {
508	warn "FATAL: $filename~: $!\n";
509	}
510	} else {
511	unlink $filename;
512	unlink "$filename.pst";
513	}
514	}
515
516	sub object_freezer_as_string {
517	my ($rdata, $objs) = @_;
518
519	use Data::Dumper;
520
521	$$rdata . Dumper $objs
522	}
523
524	sub object_thawer_load {
525	my ($filename) = @_;
526
527	local $/;
528
529	my $av;
530
531	#TODO: use sysread etc.
532	if (open my $data, "<:raw:perlio", $filename) {
533	$data = <$data>;
534	if (open my $pst, "<:raw:perlio", "$filename.pst") {
535	$av = eval { (Storable::thaw <$pst>)->{objs} };
536	}
537	return ($data, $av);
538	}
539
540	()
541	}
542
543	cf::object->attach (
544	prio => -1000000,	792	prio => -1000000,
		793	on_instantiate => sub {
		794	my ($obj, $data) = @_;
		795
		796	$data = from_json $data;
		797
		798	for (@$data) {
		799	my ($name, $args) = @$_;
		800
		801	$obj->attach ($name, %{$args || {} });
		802	}
		803	},
		804	on_reattach => \&reattach,
545	on_clone => sub {	805	on_clone => sub {
546	my ($src, $dst) = @_;	806	my ($src, $dst) = @_;
547		807
548	@{$dst->registry} = @{$src->registry};	808	@{$dst->registry} = @{$src->registry};
549		809
…		…
552	%{$dst->{_attachment}} = %{$src->{_attachment}}	812	%{$dst->{_attachment}} = %{$src->{_attachment}}
553	if exists $src->{_attachment};	813	if exists $src->{_attachment};
554	},	814	},
555	);	815	);
556		816
		817	sub object_freezer_save {
		818	my ($filename, $rdata, $objs) = @_;
		819
		820	sync_job {
		821	if (length $$rdata) {
		822	warn sprintf "saving %s (%d,%d)\n",
		823	$filename, length $$rdata, scalar @$objs;
		824
		825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
		826	chmod SAVE_MODE, $fh;
		827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		828	aio_fsync $fh if $cf::USE_FSYNC;
		829	close $fh;
		830
		831	if (@$objs) {
		832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
		833	chmod SAVE_MODE, $fh;
		834	my $data = Storable::nfreeze { version => 1, objs => $objs };
		835	aio_write $fh, 0, (length $data), $data, 0;
		836	aio_fsync $fh if $cf::USE_FSYNC;
		837	close $fh;
		838	aio_rename "$filename.pst~", "$filename.pst";
		839	}
		840	} else {
		841	aio_unlink "$filename.pst";
		842	}
		843
		844	aio_rename "$filename~", $filename;
		845	} else {
		846	warn "FATAL: $filename~: $!\n";
		847	}
		848	} else {
		849	aio_unlink $filename;
		850	aio_unlink "$filename.pst";
		851	}
		852	}
		853	}
		854
		855	sub object_freezer_as_string {
		856	my ($rdata, $objs) = @_;
		857
		858	use Data::Dumper;
		859
		860	$$rdata . Dumper $objs
		861	}
		862
		863	sub object_thawer_load {
		864	my ($filename) = @_;
		865
		866	my ($data, $av);
		867
		868	(aio_load $filename, $data) >= 0
		869	or return;
		870
		871	unless (aio_stat "$filename.pst") {
		872	(aio_load "$filename.pst", $av) >= 0
		873	or return;
		874	$av = eval { (Storable::thaw $av)->{objs} };
		875	}
		876
		877	warn sprintf "loading %s (%d)\n",
		878	$filename, length $data, scalar @{$av || []};
		879	return ($data, $av);
		880	}
		881
557	#############################################################################	882	#############################################################################
558	# command handling &c	883	# command handling &c
559		884
560	=item cf::register_command $name => \&callback($ob,$args);	885	=item cf::register_command $name => \&callback($ob,$args);
561		886
…		…
583	=cut	908	=cut
584		909
585	sub register_extcmd {	910	sub register_extcmd {
586	my ($name, $cb) = @_;	911	my ($name, $cb) = @_;
587		912
588	my $caller = caller;
589	#warn "registering extcmd '$name' to '$caller'";
590
591	$EXTCMD{$name} = [$cb, $caller];	913	$EXTCMD{$name} = $cb;
592	}	914	}
593		915
594	cf::player->attach (	916	cf::player->attach (
595	on_command => sub {	917	on_command => sub {
596	my ($pl, $name, $params) = @_;	918	my ($pl, $name, $params) = @_;
…		…
609		931
610	my $msg = eval { from_json $buf };	932	my $msg = eval { from_json $buf };
611		933
612	if (ref $msg) {	934	if (ref $msg) {
613	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
614	if (my %reply = $cb->[0]->($pl, $msg)) {	936	if (my %reply = $cb->($pl, $msg)) {
615	$pl->ext_reply ($msg->{msgid}, %reply);	937	$pl->ext_reply ($msg->{msgid}, %reply);
616	}	938	}
617	}	939	}
618	} else {	940	} else {
619	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
621		943
622	cf::override;	944	cf::override;
623	},	945	},
624	);	946	);
625		947
626	sub register {
627	my ($base, $pkg) = @_;
628
629	#TODO
630	}
631
632	sub load_extension {	948	sub load_extension {
633	my ($path) = @_;	949	my ($path) = @_;
634		950
635	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
636	my $base = $1;	952	my $base = $1;
637	my $pkg = $1;	953	my $pkg = $1;
638	$pkg =~ s/[^[:word:]]/_/g;	954	$pkg =~ s/[^[:word:]]/_/g;
639	$pkg = "ext::$pkg";	955	$pkg = "ext::$pkg";
640		956
641	warn "loading '$path' into '$pkg'\n";	957	warn "... loading '$path' into '$pkg'\n";
642		958
643	open my $fh, "<:utf8", $path	959	open my $fh, "<:utf8", $path
644	or die "$path: $!";	960	or die "$path: $!";
645		961
646	my $source =	962	my $source =
647	"package $pkg; use strict; use utf8;\n"	963	"package $pkg; use strict; use utf8;\n"
648	. "#line 1 \"$path\"\n{\n"	964	. "#line 1 \"$path\"\n{\n"
649	. (do { local $/; <$fh> })	965	. (do { local $/; <$fh> })
650	. "\n};\n1";	966	. "\n};\n1";
651		967
652	eval $source	968	unless (eval $source) {
653	or die $@ ? "$path: $@\n"	969	my $msg = $@ ? "$path: $@\n"
654	: "extension disabled.\n";	970	: "extension disabled.\n";
655		971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
656	push @exts, $pkg;	972	warn $@;
657	$ext_pkg{$base} = $pkg;	973	warn "mandatory extension failed to load, exiting.\n";
658		974	exit 1;
659	# no strict 'refs';	975	}
660	# @{"$pkg\::ISA"} = ext::;	976	die $@;
661
662	register $base, $pkg;
663	}
664
665	sub unload_extension {
666	my ($pkg) = @_;
667
668	warn "removing extension $pkg\n";
669
670	# remove hooks
671	#TODO
672	# for my $idx (0 .. $#PLUGIN_EVENT) {
673	# delete $hook[$idx]{$pkg};
674	# }	977	}
675		978
676	# remove commands	979	push @EXTS, $pkg;
677	for my $name (keys %COMMAND) {
678	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
679
680	if (@cb) {
681	$COMMAND{$name} = \@cb;
682	} else {
683	delete $COMMAND{$name};
684	}
685	}
686
687	# remove extcmds
688	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
689	delete $EXTCMD{$name};
690	}
691
692	if (my $cb = $pkg->can ("unload")) {
693	eval {
694	$cb->($pkg);
695	1
696	} or warn "$pkg unloaded, but with errors: $@";
697	}
698
699	Symbol::delete_package $pkg;
700	}	980	}
701		981
702	sub load_extensions {	982	sub load_extensions {
703	for my $ext (<$LIBDIR/*.ext>) {	983	for my $ext (<$LIBDIR/*.ext>) {
704	next unless -r $ext;	984	next unless -r $ext;
…		…
708	} or warn "$ext not loaded: $@";	988	} or warn "$ext not loaded: $@";
709	}	989	}
710	}	990	}
711		991
712	#############################################################################	992	#############################################################################
713	# load/save/clean perl data associated with a map
714		993
715	*cf::mapsupport::on_clean = sub {	994	=head2 CORE EXTENSIONS
		995
		996	Functions and methods that extend core crossfire objects.
		997
		998	=cut
		999
		1000	package cf::player;
		1001
		1002	use Coro::AIO;
		1003
		1004	=head3 cf::player
		1005
		1006	=over 4
		1007
		1008	=item cf::player::find $login
		1009
		1010	Returns the given player object, loading it if necessary (might block).
		1011
		1012	=cut
		1013
		1014	sub playerdir($) {
		1015	"$PLAYERDIR/"
		1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1017	}
		1018
		1019	sub path($) {
		1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1021
		1022	(playerdir $login) . "/playerdata"
		1023	}
		1024
		1025	sub find_active($) {
		1026	$cf::PLAYER{$_[0]}
		1027	and $cf::PLAYER{$_[0]}->active
		1028	and $cf::PLAYER{$_[0]}
		1029	}
		1030
		1031	sub exists($) {
		1032	my ($login) = @_;
		1033
		1034	$cf::PLAYER{$login}
		1035	or cf::sync_job { !aio_stat path $login }
		1036	}
		1037
		1038	sub find($) {
		1039	return $cf::PLAYER{$_[0]} || do {
		1040	my $login = $_[0];
		1041
		1042	my $guard = cf::lock_acquire "user_find:$login";
		1043
		1044	$cf::PLAYER{$_[0]} || do {
		1045	# rename old playerfiles to new ones
		1046	#TODO: remove when no longer required
		1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1050	aio_unlink +(playerdir $login) . "/$login.pl";
		1051
		1052	my $pl = load_pl path $login
		1053	or return;
		1054	$cf::PLAYER{$login} = $pl
		1055	}
		1056	}
		1057	}
		1058
		1059	sub save($) {
		1060	my ($pl) = @_;
		1061
		1062	return if $pl->{deny_save};
		1063
		1064	my $path = path $pl;
		1065	my $guard = cf::lock_acquire "user_save:$path";
		1066
		1067	return if $pl->{deny_save};
		1068
		1069	aio_mkdir playerdir $pl, 0770;
		1070	$pl->{last_save} = $cf::RUNTIME;
		1071
		1072	$pl->save_pl ($path);
		1073	Coro::cede;
		1074	}
		1075
		1076	sub new($) {
		1077	my ($login) = @_;
		1078
		1079	my $self = create;
		1080
		1081	$self->ob->name ($login);
		1082	$self->{deny_save} = 1;
		1083
		1084	$cf::PLAYER{$login} = $self;
		1085
		1086	$self
		1087	}
		1088
		1089	=item $pl->quit_character
		1090
		1091	Nukes the player without looking back. If logged in, the connection will
		1092	be destroyed. May block for a long time.
		1093
		1094	=cut
		1095
		1096	sub quit_character {
		1097	my ($pl) = @_;
		1098
		1099	my $name = $pl->ob->name;
		1100
		1101	$pl->{deny_save} = 1;
		1102	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1103
		1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1105	$pl->deactivate;
		1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1107	$pl->ns->destroy if $pl->ns;
		1108
		1109	my $path = playerdir $pl;
		1110	my $temp = "$path~$cf::RUNTIME~deleting~";
		1111	aio_rename $path, $temp;
		1112	delete $cf::PLAYER{$pl->ob->name};
		1113	$pl->destroy;
		1114
		1115	my $prefix = qr<^~\Q$name\E/>;
		1116
		1117	# nuke player maps
		1118	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1119
		1120	IO::AIO::aio_rmtree $temp;
		1121	}
		1122
		1123	=item $pl->kick
		1124
		1125	Kicks a player out of the game. This destroys the connection.
		1126
		1127	=cut
		1128
		1129	sub kick {
		1130	my ($pl, $kicker) = @_;
		1131
		1132	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1133	$pl->killer ("kicked");
		1134	$pl->ns->destroy;
		1135	}
		1136
		1137	=item cf::player::list_logins
		1138
		1139	Returns am arrayref of all valid playernames in the system, can take a
		1140	while and may block, so not sync_job-capable, ever.
		1141
		1142	=cut
		1143
		1144	sub list_logins {
		1145	my $dirs = aio_readdir $PLAYERDIR
		1146	or return [];
		1147
		1148	my @logins;
		1149
		1150	for my $login (@$dirs) {
		1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1152	aio_read $fh, 0, 512, my $buf, 0 or next;
		1153	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1154
		1155	utf8::decode $login;
		1156	push @logins, $login;
		1157	}
		1158
		1159	\@logins
		1160	}
		1161
		1162	=item $player->maps
		1163
		1164	Returns an arrayref of map paths that are private for this
		1165	player. May block.
		1166
		1167	=cut
		1168
		1169	sub maps($) {
		1170	my ($pl) = @_;
		1171
		1172	$pl = ref $pl ? $pl->ob->name : $pl;
		1173
		1174	my $files = aio_readdir playerdir $pl
		1175	or return;
		1176
		1177	my @paths;
		1178
		1179	for (@$files) {
		1180	utf8::decode $_;
		1181	next if /\.(?:pl|pst)$/;
		1182	next unless /^$PATH_SEP/o;
		1183
		1184	push @paths, cf::map::normalise "~$pl/$_";
		1185	}
		1186
		1187	\@paths
		1188	}
		1189
		1190	=item $player->ext_reply ($msgid, %msg)
		1191
		1192	Sends an ext reply to the player.
		1193
		1194	=cut
		1195
		1196	sub ext_reply($$%) {
		1197	my ($self, $id, %msg) = @_;
		1198
		1199	$msg{msgid} = $id;
		1200
		1201	$self->send ("ext " . cf::to_json \%msg);
		1202	}
		1203
		1204	=item $player->ext_event ($type, %msg)
		1205
		1206	Sends an ext event to the client.
		1207
		1208	=cut
		1209
		1210	sub ext_event($$%) {
		1211	my ($self, $type, %msg) = @_;
		1212
		1213	$self->ns->ext_event ($type, %msg);
		1214	}
		1215
		1216	=head3 cf::region
		1217
		1218	=over 4
		1219
		1220	=cut
		1221
		1222	package cf::region;
		1223
		1224	=item cf::region::find_by_path $path
		1225
		1226	Tries to decuce the probable region for a map knowing only its path.
		1227
		1228	=cut
		1229
		1230	sub find_by_path($) {
		1231	my ($path) = @_;
		1232
		1233	my ($match, $specificity);
		1234
		1235	for my $region (list) {
		1236	if ($region->match && $path =~ $region->match) {
		1237	($match, $specificity) = ($region, $region->specificity)
		1238	if $region->specificity > $specificity;
		1239	}
		1240	}
		1241
		1242	$match
		1243	}
		1244
		1245	=back
		1246
		1247	=head3 cf::map
		1248
		1249	=over 4
		1250
		1251	=cut
		1252
		1253	package cf::map;
		1254
		1255	use Fcntl;
		1256	use Coro::AIO;
		1257
		1258	use overload
		1259	'""' => \&as_string,
		1260	fallback => 1;
		1261
		1262	our $MAX_RESET = 3600;
		1263	our $DEFAULT_RESET = 3000;
		1264
		1265	sub generate_random_map {
		1266	my ($self, $rmp) = @_;
		1267	# mit "rum" bekleckern, nicht
		1268	$self->_create_random_map (
		1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1272	$rmp->{exit_on_final_map},
		1273	$rmp->{xsize}, $rmp->{ysize},
		1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1276	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1277	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1279	(cf::region::find $rmp->{region}), $rmp->{custom}
		1280	)
		1281	}
		1282
		1283	=item cf::map->register ($regex, $prio)
		1284
		1285	Register a handler for the map path matching the given regex at the
		1286	givne priority (higher is better, built-in handlers have priority 0, the
		1287	default).
		1288
		1289	=cut
		1290
		1291	sub register {
		1292	my (undef, $regex, $prio) = @_;
		1293	my $pkg = caller;
		1294
		1295	no strict;
		1296	push @{"$pkg\::ISA"}, __PACKAGE__;
		1297
		1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1299	}
		1300
		1301	# also paths starting with '/'
		1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1303
		1304	sub thawer_merge {
		1305	my ($self, $merge) = @_;
		1306
		1307	# we have to keep some variables in memory intact
		1308	local $self->{path};
		1309	local $self->{load_path};
		1310
		1311	$self->SUPER::thawer_merge ($merge);
		1312	}
		1313
		1314	sub normalise {
		1315	my ($path, $base) = @_;
		1316
		1317	$path = "$path"; # make sure its a string
		1318
		1319	$path =~ s/\.map$//;
		1320
		1321	# map plan:
		1322	#
		1323	# /! non-realised random map exit (special hack!)
		1324	# {... are special paths that are not being touched
		1325	# ?xxx/... are special absolute paths
		1326	# ?random/... random maps
		1327	# /... normal maps
		1328	# ~user/... per-player map of a specific user
		1329
		1330	$path =~ s/$PATH_SEP/\//go;
		1331
		1332	# treat it as relative path if it starts with
		1333	# something that looks reasonable
		1334	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1335	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1336
		1337	$base =~ s{[^/]+/?$}{};
		1338	$path = "$base/$path";
		1339	}
		1340
		1341	for ($path) {
		1342	redo if s{//}{/};
		1343	redo if s{/\.?/}{/};
		1344	redo if s{/[^/]+/\.\./}{/};
		1345	}
		1346
		1347	$path
		1348	}
		1349
		1350	sub new_from_path {
		1351	my (undef, $path, $base) = @_;
		1352
		1353	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1354
		1355	$path = normalise $path, $base;
		1356
		1357	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1358	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1359	my $self = bless cf::map::new, $pkg;
		1360	$self->{path} = $path; $self->path ($path);
		1361	$self->init; # pass $1 etc.
		1362	return $self;
		1363	}
		1364	}
		1365
		1366	Carp::carp "unable to resolve path '$path' (base '$base').";
		1367	()
		1368	}
		1369
		1370	sub init {
		1371	my ($self) = @_;
		1372
		1373	$self
		1374	}
		1375
		1376	sub as_string {
		1377	my ($self) = @_;
		1378
		1379	"$self->{path}"
		1380	}
		1381
		1382	# the displayed name, this is a one way mapping
		1383	sub visible_name {
		1384	&as_string
		1385	}
		1386
		1387	# the original (read-only) location
		1388	sub load_path {
		1389	my ($self) = @_;
		1390
		1391	"$MAPDIR/$self->{path}.map"
		1392	}
		1393
		1394	# the temporary/swap location
		1395	sub save_path {
		1396	my ($self) = @_;
		1397
		1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1399	"$TMPDIR/$path.map"
		1400	}
		1401
		1402	# the unique path, undef == no special unique path
		1403	sub uniq_path {
		1404	my ($self) = @_;
		1405
		1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1407	"$UNIQUEDIR/$path"
		1408	}
		1409
		1410	# and all this just because we cannot iterate over
		1411	# all maps in C++...
		1412	sub change_all_map_light {
		1413	my ($change) = @_;
		1414
		1415	$_->change_map_light ($change)
		1416	for grep $_->outdoor, values %cf::MAP;
		1417	}
		1418
		1419	sub decay_objects {
		1420	my ($self) = @_;
		1421
		1422	return if $self->{deny_reset};
		1423
		1424	$self->do_decay_objects;
		1425	}
		1426
		1427	sub unlink_save {
		1428	my ($self) = @_;
		1429
		1430	utf8::encode (my $save = $self->save_path);
		1431	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1432	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1433	}
		1434
		1435	sub load_header_from($) {
		1436	my ($self, $path) = @_;
		1437
		1438	utf8::encode $path;
		1439	#aio_open $path, O_RDONLY, 0
		1440	# or return;
		1441
		1442	$self->_load_header ($path)
		1443	or return;
		1444
		1445	$self->{load_path} = $path;
		1446
		1447	1
		1448	}
		1449
		1450	sub load_header_orig {
		1451	my ($self) = @_;
		1452
		1453	$self->load_header_from ($self->load_path)
		1454	}
		1455
		1456	sub load_header_temp {
		1457	my ($self) = @_;
		1458
		1459	$self->load_header_from ($self->save_path)
		1460	}
		1461
		1462	sub prepare_temp {
		1463	my ($self) = @_;
		1464
		1465	$self->last_access ((delete $self->{last_access})
		1466	|| $cf::RUNTIME); #d#
		1467	# safety
		1468	$self->{instantiate_time} = $cf::RUNTIME
		1469	if $self->{instantiate_time} > $cf::RUNTIME;
		1470	}
		1471
		1472	sub prepare_orig {
		1473	my ($self) = @_;
		1474
		1475	$self->{load_original} = 1;
		1476	$self->{instantiate_time} = $cf::RUNTIME;
		1477	$self->last_access ($cf::RUNTIME);
		1478	$self->instantiate;
		1479	}
		1480
		1481	sub load_header {
		1482	my ($self) = @_;
		1483
		1484	if ($self->load_header_temp) {
		1485	$self->prepare_temp;
		1486	} else {
		1487	$self->load_header_orig
		1488	or return;
		1489	$self->prepare_orig;
		1490	}
		1491
		1492	$self->{deny_reset} = 1
		1493	if $self->no_reset;
		1494
		1495	$self->default_region (cf::region::find_by_path $self->{path})
		1496	unless $self->default_region;
		1497
		1498	1
		1499	}
		1500
		1501	sub find;
		1502	sub find {
		1503	my ($path, $origin) = @_;
		1504
		1505	$path = normalise $path, $origin && $origin->path;
		1506
		1507	cf::lock_wait "map_find:$path";
		1508
		1509	$cf::MAP{$path} || do {
		1510	my $guard = cf::lock_acquire "map_find:$path";
		1511	my $map = new_from_path cf::map $path
		1512	or return;
		1513
		1514	$map->{last_save} = $cf::RUNTIME;
		1515
		1516	$map->load_header
		1517	or return;
		1518
		1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1520	# doing this can freeze the server in a sync job, obviously
		1521	#$cf::WAIT_FOR_TICK->wait;
		1522	$map->reset;
		1523	undef $guard;
		1524	return find $path;
		1525	}
		1526
		1527	$cf::MAP{$path} = $map
		1528	}
		1529	}
		1530
		1531	sub pre_load { }
		1532	sub post_load { }
		1533
		1534	sub load {
		1535	my ($self) = @_;
		1536
		1537	local $self->{deny_reset} = 1; # loading can take a long time
		1538
		1539	my $path = $self->{path};
		1540
		1541	{
		1542	my $guard = cf::lock_acquire "map_load:$path";
		1543
		1544	return if $self->in_memory != cf::MAP_SWAPPED;
		1545
		1546	$self->in_memory (cf::MAP_LOADING);
		1547
		1548	$self->alloc;
		1549
		1550	$self->pre_load;
		1551	Coro::cede;
		1552
		1553	$self->_load_objects ($self->{load_path}, 1)
		1554	or return;
		1555
		1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1557	if delete $self->{load_original};
		1558
		1559	if (my $uniq = $self->uniq_path) {
		1560	utf8::encode $uniq;
		1561	if (aio_open $uniq, O_RDONLY, 0) {
		1562	$self->clear_unique_items;
		1563	$self->_load_objects ($uniq, 0);
		1564	}
		1565	}
		1566
		1567	Coro::cede;
		1568	# now do the right thing for maps
		1569	$self->link_multipart_objects;
		1570	$self->difficulty ($self->estimate_difficulty)
		1571	unless $self->difficulty;
		1572	Coro::cede;
		1573
		1574	unless ($self->{deny_activate}) {
		1575	$self->decay_objects;
		1576	$self->fix_auto_apply;
		1577	$self->update_buttons;
		1578	Coro::cede;
		1579	$self->set_darkness_map;
		1580	Coro::cede;
		1581	$self->activate;
		1582	}
		1583
		1584	$self->in_memory (cf::MAP_IN_MEMORY);
		1585	}
		1586
		1587	$self->post_load;
		1588	}
		1589
		1590	sub customise_for {
		1591	my ($self, $ob) = @_;
		1592
		1593	return find "~" . $ob->name . "/" . $self->{path}
		1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
		1598
		1599	$self
		1600	}
		1601
		1602	# find and load all maps in the 3x3 area around a map
		1603	sub load_diag {
716	my ($map) = @_;	1604	my ($map) = @_;
717		1605
718	my $path = $map->tmpname;	1606	my @diag; # diagonal neighbours
719	defined $path or return;
720		1607
721	unlink "$path.pst";	1608	for (0 .. 3) {
722	};	1609	my $neigh = $map->tile_path ($_)
		1610	or next;
		1611	$neigh = find $neigh, $map
		1612	or next;
		1613	$neigh->load;
723		1614
724	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1617	}
725		1618
726	#############################################################################	1619	for (@diag) {
727	# load/save perl data associated with player->ob objects	1620	my $neigh = find @$_
728		1621	or next;
729	sub all_objects(@) {	1622	$neigh->load;
730	@_, map all_objects ($_->inv), @_	1623	}
731	}	1624	}
732		1625
733	# TODO: compatibility cruft, remove when no longer needed	1626	sub find_sync {
734	cf::player->attach (	1627	my ($path, $origin) = @_;
735	on_load => sub {
736	my ($pl, $path) = @_;
737		1628
738	for my $o (all_objects $pl->ob) {	1629	cf::sync_job { find $path, $origin }
739	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1630	}
740	$o->set_ob_key_value ("_perl_data");
741		1631
742	%$o = %{ Storable::thaw pack "H*", $value };	1632	sub do_load_sync {
		1633	my ($map) = @_;
		1634
		1635	cf::sync_job { $map->load };
		1636	}
		1637
		1638	our %MAP_PREFETCH;
		1639	our $MAP_PREFETCHER = undef;
		1640
		1641	sub find_async {
		1642	my ($path, $origin) = @_;
		1643
		1644	$path = normalise $path, $origin && $origin->{path};
		1645
		1646	if (my $map = $cf::MAP{$path}) {
		1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1648	}
		1649
		1650	undef $MAP_PREFETCH{$path};
		1651	$MAP_PREFETCHER ||= cf::async {
		1652	while (%MAP_PREFETCH) {
		1653	for my $path (keys %MAP_PREFETCH) {
		1654	my $map = find $path
		1655	or next;
		1656	$map->load;
		1657
		1658	delete $MAP_PREFETCH{$path};
743	}	1659	}
744	}	1660	}
		1661	undef $MAP_PREFETCHER;
		1662	};
		1663	$MAP_PREFETCHER->prio (6);
		1664
		1665	()
		1666	}
		1667
		1668	sub save {
		1669	my ($self) = @_;
		1670
		1671	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1672
		1673	$self->{last_save} = $cf::RUNTIME;
		1674
		1675	return unless $self->dirty;
		1676
		1677	my $save = $self->save_path; utf8::encode $save;
		1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1679
		1680	$self->{load_path} = $save;
		1681
		1682	return if $self->{deny_save};
		1683
		1684	local $self->{last_access} = $self->last_access;#d#
		1685
		1686	cf::async {
		1687	$_->contr->save for $self->players;
		1688	};
		1689
		1690	if ($uniq) {
		1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		1693	} else {
		1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
745	},	1695	}
746	);	1696	}
747		1697
748	#############################################################################	1698	sub swap_out {
		1699	my ($self) = @_;
749		1700
750	=head2 CORE EXTENSIONS	1701	# save first because save cedes
		1702	$self->save;
751		1703
752	Functions and methods that extend core crossfire objects.	1704	my $lock = cf::lock_acquire "map_data:" . $self->path;
753		1705
754	=head3 cf::player	1706	return if $self->players;
		1707	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1708	return if $self->{deny_save};
		1709
		1710	$self->clear;
		1711	$self->in_memory (cf::MAP_SWAPPED);
		1712	}
		1713
		1714	sub reset_at {
		1715	my ($self) = @_;
		1716
		1717	# TODO: safety, remove and allow resettable per-player maps
		1718	return 1e99 if $self->{deny_reset};
		1719
		1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1721	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1722
		1723	$time + $to
		1724	}
		1725
		1726	sub should_reset {
		1727	my ($self) = @_;
		1728
		1729	$self->reset_at <= $cf::RUNTIME
		1730	}
		1731
		1732	sub reset {
		1733	my ($self) = @_;
		1734
		1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1736
		1737	return if $self->players;
		1738
		1739	warn "resetting map ", $self->path;
		1740
		1741	$self->in_memory (cf::MAP_SWAPPED);
		1742
		1743	# need to save uniques path
		1744	unless ($self->{deny_save}) {
		1745	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1746
		1747	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1748	if $uniq;
		1749	}
		1750
		1751	delete $cf::MAP{$self->path};
		1752
		1753	$self->clear;
		1754
		1755	$_->clear_links_to ($self) for values %cf::MAP;
		1756
		1757	$self->unlink_save;
		1758	$self->destroy;
		1759	}
		1760
		1761	my $nuke_counter = "aaaa";
		1762
		1763	sub nuke {
		1764	my ($self) = @_;
		1765
		1766	delete $cf::MAP{$self->path};
		1767
		1768	$self->unlink_save;
		1769
		1770	bless $self, "cf::map";
		1771	delete $self->{deny_reset};
		1772	$self->{deny_save} = 1;
		1773	$self->reset_timeout (1);
		1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1775
		1776	$cf::MAP{$self->path} = $self;
		1777
		1778	$self->reset; # polite request, might not happen
		1779	}
		1780
		1781	=item $maps = cf::map::tmp_maps
		1782
		1783	Returns an arrayref with all map paths of currently instantiated and saved
		1784	maps. May block.
		1785
		1786	=cut
		1787
		1788	sub tmp_maps() {
		1789	[
		1790	map {
		1791	utf8::decode $_;
		1792	/\.map$/
		1793	? normalise $_
		1794	: ()
		1795	} @{ aio_readdir $TMPDIR or [] }
		1796	]
		1797	}
		1798
		1799	=item $maps = cf::map::random_maps
		1800
		1801	Returns an arrayref with all map paths of currently instantiated and saved
		1802	random maps. May block.
		1803
		1804	=cut
		1805
		1806	sub random_maps() {
		1807	[
		1808	map {
		1809	utf8::decode $_;
		1810	/\.map$/
		1811	? normalise "?random/$_"
		1812	: ()
		1813	} @{ aio_readdir $RANDOMDIR or [] }
		1814	]
		1815	}
		1816
		1817	=item cf::map::unique_maps
		1818
		1819	Returns an arrayref of paths of all shared maps that have
		1820	instantiated unique items. May block.
		1821
		1822	=cut
		1823
		1824	sub unique_maps() {
		1825	[
		1826	map {
		1827	utf8::decode $_;
		1828	/\.map$/
		1829	? normalise $_
		1830	: ()
		1831	} @{ aio_readdir $UNIQUEDIR or [] }
		1832	]
		1833	}
		1834
		1835	package cf;
		1836
		1837	=back
		1838
		1839	=head3 cf::object
		1840
		1841	=cut
		1842
		1843	package cf::object;
755		1844
756	=over 4	1845	=over 4
757		1846
758	=item cf::player::exists $login	1847	=item $ob->inv_recursive
759		1848
760	Returns true when the given account exists.	1849	Returns the inventory of the object _and_ their inventories, recursively.
761		1850
762	=cut	1851	=cut
763		1852
764	sub cf::player::exists($) {	1853	sub inv_recursive_;
765	cf::player::find $_[0]	1854	sub inv_recursive_ {
766	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1855	map { $_, inv_recursive_ $_->inv } @_
767	}	1856	}
768		1857
769	=item $player->ext_reply ($msgid, $msgtype, %msg)	1858	sub inv_recursive {
770		1859	inv_recursive_ inv $_[0]
771	Sends an ext reply to the player.
772
773	=cut
774
775	sub cf::player::ext_reply($$$%) {
776	my ($self, $id, %msg) = @_;
777
778	$msg{msgid} = $id;
779
780	$self->send ("ext " . to_json \%msg);
781	}	1860	}
		1861
		1862	package cf;
782		1863
783	=back	1864	=back
784		1865
785	=head3 cf::object::player	1866	=head3 cf::object::player
786		1867
…		…
824	(ref $cf::CFG{"may_$access"}	1905	(ref $cf::CFG{"may_$access"}
825	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1906	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
826	: $cf::CFG{"may_$access"})	1907	: $cf::CFG{"may_$access"})
827	}	1908	}
828		1909
		1910	=item $player_object->enter_link
		1911
		1912	Freezes the player and moves him/her to a special map (C<{link}>).
		1913
		1914	The player should be reasonably safe there for short amounts of time. You
		1915	I<MUST> call C<leave_link> as soon as possible, though.
		1916
		1917	Will never block.
		1918
		1919	=item $player_object->leave_link ($map, $x, $y)
		1920
		1921	Moves the player out of the special C<{link}> map onto the specified
		1922	map. If the map is not valid (or omitted), the player will be moved back
		1923	to the location he/she was before the call to C<enter_link>, or, if that
		1924	fails, to the emergency map position.
		1925
		1926	Might block.
		1927
		1928	=cut
		1929
		1930	sub link_map {
		1931	unless ($LINK_MAP) {
		1932	$LINK_MAP = cf::map::find "{link}"
		1933	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1934	$LINK_MAP->load;
		1935	}
		1936
		1937	$LINK_MAP
		1938	}
		1939
		1940	sub cf::object::player::enter_link {
		1941	my ($self) = @_;
		1942
		1943	$self->deactivate_recursive;
		1944
		1945	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1946
		1947	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		1948	if $self->map && $self->map->{path} ne "{link}";
		1949
		1950	$self->enter_map ($LINK_MAP || link_map, 10, 10);
		1951	}
		1952
		1953	sub cf::object::player::leave_link {
		1954	my ($self, $map, $x, $y) = @_;
		1955
		1956	return unless $self->contr->active;
		1957
		1958	my $link_pos = delete $self->{_link_pos};
		1959
		1960	unless ($map) {
		1961	# restore original map position
		1962	($map, $x, $y) = @{ $link_pos || [] };
		1963	$map = cf::map::find $map;
		1964
		1965	unless ($map) {
		1966	($map, $x, $y) = @$EMERGENCY_POSITION;
		1967	$map = cf::map::find $map
		1968	or die "FATAL: cannot load emergency map\n";
		1969	}
		1970	}
		1971
		1972	($x, $y) = (-1, -1)
		1973	unless (defined $x) && (defined $y);
		1974
		1975	# use -1 or undef as default coordinates, not 0, 0
		1976	($x, $y) = ($map->enter_x, $map->enter_y)
		1977	if $x <=0 && $y <= 0;
		1978
		1979	$map->load;
		1980	$map->load_diag;
		1981
		1982	return unless $self->contr->active;
		1983	$self->activate_recursive;
		1984
		1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		1986	$self->enter_map ($map, $x, $y);
		1987	}
		1988
		1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])
		1990
		1991	Moves the player to the given map-path and coordinates by first freezing
		1992	her, loading and preparing them map, calling the provided $check callback
		1993	that has to return the map if sucecssful, and then unfreezes the player on
		1994	the new (success) or old (failed) map position.
		1995
		1996	=cut
		1997
		1998	our $GOTOGEN;
		1999
		2000	sub cf::object::player::goto {
		2001	my ($self, $path, $x, $y, $check) = @_;
		2002
		2003	# do generation counting so two concurrent goto's will be executed in-order
		2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
		2005
		2006	$self->enter_link;
		2007
		2008	(async {
		2009	my $map = eval {
		2010	my $map = cf::map::find $path;
		2011
		2012	if ($map) {
		2013	$map = $map->customise_for ($self);
		2014	$map = $check->($map) if $check && $map;
		2015	} else {
		2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2017	}
		2018
		2019	$map
		2020	};
		2021
		2022	if ($@) {
		2023	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2024	LOG llevError | logBacktrace, Carp::longmess $@;
		2025	}
		2026
		2027	if ($gen == $self->{_goto_generation}) {
		2028	delete $self->{_goto_generation};
		2029	$self->leave_link ($map, $x, $y);
		2030	}
		2031	})->prio (1);
		2032	}
		2033
		2034	=item $player_object->enter_exit ($exit_object)
		2035
		2036	=cut
		2037
		2038	sub parse_random_map_params {
		2039	my ($spec) = @_;
		2040
		2041	my $rmp = { # defaults
		2042	xsize => (cf::rndm 15, 40),
		2043	ysize => (cf::rndm 15, 40),
		2044	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2045	#layout => string,
		2046	};
		2047
		2048	for (split /\n/, $spec) {
		2049	my ($k, $v) = split /\s+/, $_, 2;
		2050
		2051	$rmp->{lc $k} = $v if (length $k) && (length $v);
		2052	}
		2053
		2054	$rmp
		2055	}
		2056
		2057	sub prepare_random_map {
		2058	my ($exit) = @_;
		2059
		2060	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2061
		2062	# all this does is basically replace the /! path by
		2063	# a new random map path (?random/...) with a seed
		2064	# that depends on the exit object
		2065
		2066	my $rmp = parse_random_map_params $exit->msg;
		2067
		2068	if ($exit->map) {
		2069	$rmp->{region} = $exit->region->name;
		2070	$rmp->{origin_map} = $exit->map->path;
		2071	$rmp->{origin_x} = $exit->x;
		2072	$rmp->{origin_y} = $exit->y;
		2073	}
		2074
		2075	$rmp->{random_seed} ||= $exit->random_seed;
		2076
		2077	my $data = cf::to_json $rmp;
		2078	my $md5 = Digest::MD5::md5_hex $data;
		2079	my $meta = "$RANDOMDIR/$md5.meta";
		2080
		2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
		2082	aio_write $fh, 0, (length $data), $data, 0;
		2083	undef $fh;
		2084	aio_rename "$meta~", $meta;
		2085
		2086	$exit->slaying ("?random/$md5");
		2087	$exit->msg (undef);
		2088	}
		2089	}
		2090
		2091	sub cf::object::player::enter_exit {
		2092	my ($self, $exit) = @_;
		2093
		2094	return unless $self->type == cf::PLAYER;
		2095
		2096	if ($exit->slaying eq "/!") {
		2097	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2098	# the problem is that $exit might not survive long enough
		2099	# so it needs to be done right now, right here
		2100	cf::sync_job { prepare_random_map $exit };
		2101	}
		2102
		2103	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2104	my $hp = $exit->stats->hp;
		2105	my $sp = $exit->stats->sp;
		2106
		2107	$self->enter_link;
		2108
		2109	(async {
		2110	$self->deactivate_recursive; # just to be sure
		2111	unless (eval {
		2112	$self->goto ($slaying, $hp, $sp);
		2113
		2114	1;
		2115	}) {
		2116	$self->message ("Something went wrong deep within the crossfire server. "
		2117	. "I'll try to bring you back to the map you were before. "
		2118	. "Please report this to the dungeon master!",
		2119	cf::NDI_UNIQUE | cf::NDI_RED);
		2120
		2121	warn "ERROR in enter_exit: $@";
		2122	$self->leave_link;
		2123	}
		2124	})->prio (1);
		2125	}
		2126
829	=head3 cf::client	2127	=head3 cf::client
830		2128
831	=over 4	2129	=over 4
832		2130
833	=item $client->send_drawinfo ($text, $flags)	2131	=item $client->send_drawinfo ($text, $flags)
…		…
839		2137
840	sub cf::client::send_drawinfo {	2138	sub cf::client::send_drawinfo {
841	my ($self, $text, $flags) = @_;	2139	my ($self, $text, $flags) = @_;
842		2140
843	utf8::encode $text;	2141	utf8::encode $text;
844	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
845	}	2143	}
846		2144
		2145	=item $client->ext_event ($type, %msg)
		2146
		2147	Sends an exti event to the client.
		2148
		2149	=cut
		2150
		2151	sub cf::client::ext_event($$%) {
		2152	my ($self, $type, %msg) = @_;
		2153
		2154	$msg{msgtype} = "event_$type";
		2155	$self->send_packet ("ext " . cf::to_json \%msg);
		2156	}
847		2157
848	=item $success = $client->query ($flags, "text", \&cb)	2158	=item $success = $client->query ($flags, "text", \&cb)
849		2159
850	Queues a query to the client, calling the given callback with	2160	Queues a query to the client, calling the given callback with
851	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
876	on_reply => sub {	2186	on_reply => sub {
877	my ($ns, $msg) = @_;	2187	my ($ns, $msg) = @_;
878		2188
879	# this weird shuffling is so that direct followup queries	2189	# this weird shuffling is so that direct followup queries
880	# get handled first	2190	# get handled first
881	my $queue = delete $ns->{query_queue};	2191	my $queue = delete $ns->{query_queue}
		2192	or return; # be conservative, not sure how that can happen, but we saw a crash here
882		2193
883	(shift @$queue)->[1]->($msg);	2194	(shift @$queue)->[1]->($msg);
		2195	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
884		2196
885	push @{ $ns->{query_queue} }, @$queue;	2197	push @{ $ns->{query_queue} }, @$queue;
886		2198
887	if (@{ $ns->{query_queue} } == @$queue) {	2199	if (@{ $ns->{query_queue} } == @$queue) {
888	if (@$queue) {	2200	if (@$queue) {
…		…
892	}	2204	}
893	}	2205	}
894	},	2206	},
895	);	2207	);
896		2208
897	=item $client->coro (\&cb)	2209	=item $client->async (\&cb)
898		2210
899	Create a new coroutine, running the specified callback. The coroutine will	2211	Create a new coroutine, running the specified callback. The coroutine will
900	be automatically cancelled when the client gets destroyed (e.g. on logout,	2212	be automatically cancelled when the client gets destroyed (e.g. on logout,
901	or loss of connection).	2213	or loss of connection).
902		2214
903	=cut	2215	=cut
904		2216
905	sub cf::client::coro {	2217	sub cf::client::async {
906	my ($self, $cb) = @_;	2218	my ($self, $cb) = @_;
907		2219
908	my $coro; $coro = async {	2220	my $coro = &Coro::async ($cb);
909	eval {	2221
910	$cb->();	2222	$coro->on_destroy (sub {
911	};
912	warn $@ if $@;
913	delete $self->{_coro}{$coro+0};	2223	delete $self->{_coro}{$coro+0};
914	};	2224	});
915		2225
916	$self->{_coro}{$coro+0} = $coro;	2226	$self->{_coro}{$coro+0} = $coro;
		2227
		2228	$coro
917	}	2229	}
918		2230
919	cf::client->attach (	2231	cf::client->attach (
920	on_destroy => sub {	2232	on_destroy => sub {
921	my ($ns) = @_;	2233	my ($ns) = @_;
…		…
946		2258
947	# here we export the classes and methods available to script code	2259	# here we export the classes and methods available to script code
948		2260
949	=pod	2261	=pod
950		2262
951	The following fucntions and emthods are available within a safe environment:	2263	The following functions and methods are available within a safe environment:
952		2264
953	cf::object contr pay_amount pay_player map	2265	cf::object contr pay_amount pay_player map
954	cf::object::player player	2266	cf::object::player player
955	cf::player peaceful	2267	cf::player peaceful
956	cf::map trigger	2268	cf::map trigger
…		…
1041	#############################################################################	2353	#############################################################################
1042		2354
1043	=head2 EXTENSION DATABASE SUPPORT	2355	=head2 EXTENSION DATABASE SUPPORT
1044		2356
1045	Crossfire maintains a very simple database for extension use. It can	2357	Crossfire maintains a very simple database for extension use. It can
1046	currently store anything that can be serialised using Storable, which	2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1047	excludes objects.	2359	convert to/from binary).
1048		2360
1049	The parameter C<$family> should best start with the name of the extension	2361	The parameter C<$family> should best start with the name of the extension
1050	using it, it should be unique.	2362	using it, it should be unique.
1051		2363
1052	=over 4	2364	=over 4
1053		2365
1054	=item $hashref = cf::db_get $family
1055
1056	Return a hashref for use by the extension C<$family>, which can be
1057	modified. After modifications, you have to call C<cf::db_dirty> or
1058	C<cf::db_sync>.
1059
1060	=item $value = cf::db_get $family => $key	2366	=item $value = cf::db_get $family => $key
1061		2367
1062	Returns a single value from the database	2368	Returns a single value from the database.
1063
1064	=item cf::db_put $family => $hashref
1065
1066	Stores the given family hashref into the database. Updates are delayed, if
1067	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1068		2369
1069	=item cf::db_put $family => $key => $value	2370	=item cf::db_put $family => $key => $value
1070		2371
1071	Stores the given C<$value> in the family hash. Updates are delayed, if you	2372	Stores the given C<$value> in the family.
1072	want the data to be synced to disk immediately, use C<cf::db_sync>.
1073
1074	=item cf::db_dirty
1075
1076	Marks the database as dirty, to be updated at a later time.
1077
1078	=item cf::db_sync
1079
1080	Immediately write the database to disk I<if it is dirty>.
1081		2373
1082	=cut	2374	=cut
1083		2375
1084	our $DB;	2376	our $DB;
1085		2377
1086	{	2378	sub db_init {
1087	my $path = cf::localdir . "/database.pst";	2379	unless ($DB) {
		2380	$DB = BDB::db_create $DB_ENV;
1088		2381
1089	sub db_load() {	2382	cf::sync_job {
1090	warn "loading database $path\n";#d# remove later	2383	eval {
1091	$DB = stat $path ? Storable::retrieve $path : { };	2384	$DB->set_flags (BDB::CHKSUM);
1092	}
1093		2385
1094	my $pid;	2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1095		2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1096	sub db_save() {	2388	cf::cleanup "db_open(db): $!" if $!;
1097	warn "saving database $path\n";#d# remove later	2389	};
1098	waitpid $pid, 0 if $pid;	2390	cf::cleanup "db_open(db): $@" if $@;
1099	if (0 == ($pid = fork)) {
1100	$DB->{_meta}{version} = 1;
1101	Storable::nstore $DB, "$path~";
1102	rename "$path~", $path;
1103	cf::_exit 0 if defined $pid;
1104	}	2391	};
1105	}
1106
1107	my $dirty;
1108
1109	sub db_sync() {
1110	db_save if $dirty;
1111	undef $dirty;
1112	}
1113
1114	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1115	db_sync;
1116	});	2392	}
		2393	}
1117		2394
1118	sub db_dirty() {
1119	$dirty = 1;
1120	$idle->start;
1121	}
1122
1123	sub db_get($;$) {	2395	sub db_get($$) {
1124	@_ >= 2	2396	my $key = "$_[0]/$_[1]";
1125	? $DB->{$_[0]}{$_[1]}
1126	: ($DB->{$_[0]} ||= { })
1127	}
1128		2397
		2398	cf::sync_job {
		2399	BDB::db_get $DB, undef, $key, my $data;
		2400
		2401	$! ? ()
		2402	: $data
		2403	}
		2404	}
		2405
1129	sub db_put($$;$) {	2406	sub db_put($$$) {
1130	if (@_ >= 3) {	2407	BDB::dbreq_pri 4;
1131	$DB->{$_[0]}{$_[1]} = $_[2];	2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1132	} else {	2409	}
1133	$DB->{$_[0]} = $_[1];
1134	}
1135	db_dirty;
1136	}
1137		2410
1138	cf::global->attach (	2411	=item cf::cache $id => [$paths...], $processversion => $process
1139	prio => 10000,	2412
1140	on_cleanup => sub {	2413	Generic caching function that returns the value of the resource $id,
1141	db_sync;	2414	caching and regenerating as required.
		2415
		2416	This function can block.
		2417
		2418	=cut
		2419
		2420	sub cache {
		2421	my ($id, $src, $processversion, $process) = @_;
		2422
		2423	my $meta =
		2424	join "\x00",
		2425	$processversion,
		2426	map {
		2427	aio_stat $_
		2428	and Carp::croak "$_: $!";
		2429
		2430	($_, (stat _)[7,9])
		2431	} @$src;
		2432
		2433	my $dbmeta = db_get cache => "$id/meta";
		2434	if ($dbmeta ne $meta) {
		2435	# changed, we may need to process
		2436
		2437	my @data;
		2438	my $md5;
		2439
		2440	for (0 .. $#$src) {
		2441	0 <= aio_load $src->[$_], $data[$_]
		2442	or Carp::croak "$src->[$_]: $!";
1142	},	2443	}
1143	);	2444
		2445	# if processing is expensive, check
		2446	# checksum first
		2447	if (1) {
		2448	$md5 =
		2449	join "\x00",
		2450	$processversion,
		2451	map {
		2452	Coro::cede;
		2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2454	} 0.. $#$src;
		2455
		2456
		2457	my $dbmd5 = db_get cache => "$id/md5";
		2458	if ($dbmd5 eq $md5) {
		2459	db_put cache => "$id/meta", $meta;
		2460
		2461	return db_get cache => "$id/data";
		2462	}
		2463	}
		2464
		2465	my $t1 = Time::HiRes::time;
		2466	my $data = $process->(\@data);
		2467	my $t2 = Time::HiRes::time;
		2468
		2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2470
		2471	db_put cache => "$id/data", $data;
		2472	db_put cache => "$id/md5" , $md5;
		2473	db_put cache => "$id/meta", $meta;
		2474
		2475	return $data;
		2476	}
		2477
		2478	db_get cache => "$id/data"
		2479	}
		2480
		2481	=item fork_call { }, $args
		2482
		2483	Executes the given code block with the given arguments in a seperate
		2484	process, returning the results. Everything must be serialisable with
		2485	Coro::Storable. May, of course, block. Note that the executed sub may
		2486	never block itself or use any form of Event handling.
		2487
		2488	=cut
		2489
		2490	sub fork_call(&@) {
		2491	my ($cb, @args) = @_;
		2492
		2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2494	# or die "socketpair: $!";
		2495	pipe my $fh1, my $fh2
		2496	or die "pipe: $!";
		2497
		2498	if (my $pid = fork) {
		2499	close $fh2;
		2500
		2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2502	$res = Coro::Storable::thaw $res;
		2503
		2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2505
		2506	die $$res unless "ARRAY" eq ref $res;
		2507
		2508	return wantarray ? @$res : $res->[-1];
		2509	} else {
		2510	reset_signals;
		2511	local $SIG{__WARN__};
		2512	local $SIG{__DIE__};
		2513	eval {
		2514	close $fh1;
		2515
		2516	my @res = eval { $cb->(@args) };
		2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2518	};
		2519
		2520	warn $@ if $@;
		2521	_exit 0;
		2522	}
1144	}	2523	}
1145		2524
1146	#############################################################################	2525	#############################################################################
1147	# the server's main()	2526	# the server's init and main functions
		2527
		2528	sub load_facedata($) {
		2529	my ($path) = @_;
		2530
		2531	warn "loading facedata from $path\n";
		2532
		2533	my $facedata;
		2534	0 < aio_load $path, $facedata
		2535	or die "$path: $!";
		2536
		2537	$facedata = Coro::Storable::thaw $facedata;
		2538
		2539	$facedata->{version} == 2
		2540	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2541
		2542	{
		2543	my $faces = $facedata->{faceinfo};
		2544
		2545	while (my ($face, $info) = each %$faces) {
		2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2550	Coro::cede;
		2551	}
		2552
		2553	while (my ($face, $info) = each %$faces) {
		2554	next unless $info->{smooth};
		2555	my $idx = cf::face::find $face
		2556	or next;
		2557	if (my $smooth = cf::face::find $info->{smooth}) {
		2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2559	} else {
		2560	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2561	}
		2562	Coro::cede;
		2563	}
		2564	}
		2565
		2566	{
		2567	my $anims = $facedata->{animinfo};
		2568
		2569	while (my ($anim, $info) = each %$anims) {
		2570	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2571	Coro::cede;
		2572	}
		2573
		2574	cf::anim::invalidate_all; # d'oh
		2575	}
		2576
		2577	1
		2578	}
		2579
		2580	sub reload_regions {
		2581	load_resource_file "$MAPDIR/regions"
		2582	or die "unable to load regions file\n";
		2583	}
		2584
		2585	sub reload_facedata {
		2586	load_facedata "$DATADIR/facedata"
		2587	or die "unable to load facedata\n";
		2588	}
		2589
		2590	sub reload_archetypes {
		2591	load_resource_file "$DATADIR/archetypes"
		2592	or die "unable to load archetypes\n";
		2593	}
		2594
		2595	sub reload_treasures {
		2596	load_resource_file "$DATADIR/treasures"
		2597	or die "unable to load treasurelists\n";
		2598	}
		2599
		2600	sub reload_resources {
		2601	warn "reloading resource files...\n";
		2602
		2603	reload_regions;
		2604	reload_facedata;
		2605	#reload_archetypes;#d#
		2606	reload_archetypes;
		2607	reload_treasures;
		2608
		2609	warn "finished reloading resource files\n";
		2610	}
		2611
		2612	sub init {
		2613	reload_resources;
		2614	}
1148		2615
1149	sub cfg_load {	2616	sub cfg_load {
1150	open my $fh, "<:utf8", cf::confdir . "/config"	2617	open my $fh, "<:utf8", "$CONFDIR/config"
1151	or return;	2618	or return;
1152		2619
1153	local $/;	2620	local $/;
1154	*CFG = YAML::Syck::Load <$fh>;	2621	*CFG = YAML::Syck::Load <$fh>;
		2622
		2623	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2624
		2625	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2626	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2627
		2628	if (exists $CFG{mlockall}) {
		2629	eval {
		2630	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2631	and die "WARNING: m(un)lockall failed: $!\n";
		2632	};
		2633	warn $@ if $@;
		2634	}
1155	}	2635	}
1156		2636
1157	sub main {	2637	sub main {
		2638	# we must not ever block the main coroutine
		2639	local $Coro::idle = sub {
		2640	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2641	(async {
		2642	Event::one_event;
		2643	})->prio (Coro::PRIO_MAX);
		2644	};
		2645
1158	cfg_load;	2646	cfg_load;
1159	db_load;	2647	db_init;
1160	load_extensions;	2648	load_extensions;
		2649
		2650	$TICK_WATCHER->start;
1161	Event::loop;	2651	Event::loop;
1162	}	2652	}
1163		2653
1164	#############################################################################	2654	#############################################################################
1165	# initialisation	2655	# initialisation and cleanup
1166		2656
1167	sub _perl_reload(&) {	2657	# install some emergency cleanup handlers
		2658	BEGIN {
		2659	for my $signal (qw(INT HUP TERM)) {
		2660	Event->signal (
		2661	reentrant => 0,
		2662	data => WF_AUTOCANCEL,
		2663	signal => $signal,
		2664	prio => 0,
		2665	cb => sub {
		2666	cf::cleanup "SIG$signal";
		2667	},
		2668	);
		2669	}
		2670	}
		2671
		2672	sub emergency_save() {
		2673	my $freeze_guard = cf::freeze_mainloop;
		2674
		2675	warn "enter emergency perl save\n";
		2676
		2677	cf::sync_job {
		2678	# use a peculiar iteration method to avoid tripping on perl
		2679	# refcount bugs in for. also avoids problems with players
		2680	# and maps saved/destroyed asynchronously.
		2681	warn "begin emergency player save\n";
		2682	for my $login (keys %cf::PLAYER) {
		2683	my $pl = $cf::PLAYER{$login} or next;
		2684	$pl->valid or next;
		2685	$pl->save;
		2686	}
		2687	warn "end emergency player save\n";
		2688
		2689	warn "begin emergency map save\n";
		2690	for my $path (keys %cf::MAP) {
		2691	my $map = $cf::MAP{$path} or next;
		2692	$map->valid or next;
		2693	$map->save;
		2694	}
		2695	warn "end emergency map save\n";
		2696
		2697	warn "begin emergency database checkpoint\n";
		2698	BDB::db_env_txn_checkpoint $DB_ENV;
		2699	warn "end emergency database checkpoint\n";
		2700	};
		2701
		2702	warn "leave emergency perl save\n";
		2703	}
		2704
		2705	sub post_cleanup {
1168	my ($msg) = @_;	2706	my ($make_core) = @_;
1169		2707
1170	$msg->("reloading...");	2708	warn Carp::longmess "post_cleanup backtrace"
		2709	if $make_core;
		2710	}
1171		2711
1172	eval {	2712	sub do_reload_perl() {
1173	# cancel all watchers	2713	# can/must only be called in main
		2714	if ($Coro::current != $Coro::main) {
		2715	warn "can only reload from main coroutine";
		2716	return;
		2717	}
		2718
		2719	warn "reloading...";
		2720
		2721	warn "entering sync_job";
		2722
		2723	cf::sync_job {
		2724	cf::write_runtime; # external watchdog should not bark
		2725	cf::emergency_save;
		2726	cf::write_runtime; # external watchdog should not bark
		2727
		2728	warn "syncing database to disk";
		2729	BDB::db_env_txn_checkpoint $DB_ENV;
		2730
		2731	# if anything goes wrong in here, we should simply crash as we already saved
		2732
		2733	warn "cancelling all WF_AUTOCANCEL watchers";
1174	for (Event::all_watchers) {	2734	for (Event::all_watchers) {
1175	$_->cancel if $_->data & WF_AUTOCANCEL;	2735	$_->cancel if $_->data & WF_AUTOCANCEL;
1176	}	2736	}
1177		2737
1178	# unload all extensions	2738	warn "flushing outstanding aio requests";
1179	for (@exts) {	2739	for (;;) {
1180	$msg->("unloading <$_>");	2740	BDB::flush;
1181	unload_extension $_;	2741	IO::AIO::flush;
		2742	Coro::cede;
		2743	last unless IO::AIO::nreqs || BDB::nreqs;
		2744	warn "iterate...";
		2745	}
		2746
		2747	++$RELOAD;
		2748
		2749	warn "cancelling all extension coros";
		2750	$_->cancel for values %EXT_CORO;
		2751	%EXT_CORO = ();
		2752
		2753	warn "removing commands";
		2754	%COMMAND = ();
		2755
		2756	warn "removing ext commands";
		2757	%EXTCMD = ();
		2758
		2759	warn "unloading/nuking all extensions";
		2760	for my $pkg (@EXTS) {
		2761	warn "... unloading $pkg";
		2762
		2763	if (my $cb = $pkg->can ("unload")) {
		2764	eval {
		2765	$cb->($pkg);
		2766	1
		2767	} or warn "$pkg unloaded, but with errors: $@";
1182	}	2768	}
1183		2769
		2770	warn "... nuking $pkg";
		2771	Symbol::delete_package $pkg;
		2772	}
		2773
1184	# unload all modules loaded from $LIBDIR	2774	warn "unloading all perl modules loaded from $LIBDIR";
1185	while (my ($k, $v) = each %INC) {	2775	while (my ($k, $v) = each %INC) {
1186	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2776	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1187		2777
1188	$msg->("removing <$k>");	2778	warn "... unloading $k";
1189	delete $INC{$k};	2779	delete $INC{$k};
1190		2780
1191	$k =~ s/\.pm$//;	2781	$k =~ s/\.pm$//;
1192	$k =~ s/\//::/g;	2782	$k =~ s/\//::/g;
1193		2783
…		…
1196	}	2786	}
1197		2787
1198	Symbol::delete_package $k;	2788	Symbol::delete_package $k;
1199	}	2789	}
1200		2790
1201	# sync database to disk
1202	cf::db_sync;
1203
1204	# get rid of safe::, as good as possible	2791	warn "getting rid of safe::, as good as possible";
1205	Symbol::delete_package "safe::$_"	2792	Symbol::delete_package "safe::$_"
1206	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	2793	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1207		2794
1208	# remove register_script_function callbacks
1209	# TODO
1210
1211	# unload cf.pm "a bit"	2795	warn "unloading cf.pm \"a bit\"";
1212	delete $INC{"cf.pm"};	2796	delete $INC{"cf.pm"};
		2797	delete $INC{"cf/pod.pm"};
1213		2798
1214	# don't, removes xs symbols, too,	2799	# don't, removes xs symbols, too,
1215	# and global variables created in xs	2800	# and global variables created in xs
1216	#Symbol::delete_package __PACKAGE__;	2801	#Symbol::delete_package __PACKAGE__;
1217		2802
1218	# reload cf.pm	2803	warn "unload completed, starting to reload now";
		2804
1219	$msg->("reloading cf.pm");	2805	warn "reloading cf.pm";
1220	require cf;	2806	require cf;
		2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1221		2808
1222	# load config and database again	2809	warn "loading config and database again";
1223	cf::cfg_load;	2810	cf::cfg_load;
1224	cf::db_load;
1225		2811
1226	# load extensions	2812	warn "loading extensions";
1227	$msg->("load extensions");
1228	cf::load_extensions;	2813	cf::load_extensions;
1229		2814
1230	# reattach attachments to objects	2815	warn "reattaching attachments to objects/players";
1231	$msg->("reattach");	2816	_global_reattach; # objects, sockets
1232	_global_reattach;	2817	warn "reattaching attachments to maps";
		2818	reattach $_ for values %MAP;
		2819	warn "reattaching attachments to players";
		2820	reattach $_ for values %PLAYER;
		2821
		2822	warn "leaving sync_job";
		2823
		2824	1
		2825	} or do {
		2826	warn $@;
		2827	warn "error while reloading, exiting.";
		2828	exit 1;
1233	};	2829	};
1234	$msg->($@) if $@;
1235		2830
1236	$msg->("reloaded");	2831	warn "reloaded";
1237	};	2832	};
1238		2833
1239	sub perl_reload() {	2834	our $RELOAD_WATCHER; # used only during reload
1240	_perl_reload {	2835
1241	warn $_[0];	2836	sub reload_perl() {
1242	print "$_[0]\n";	2837	# doing reload synchronously and two reloads happen back-to-back,
		2838	# coro crashes during coro_state_free->destroy here.
		2839
		2840	$RELOAD_WATCHER ||= Event->timer (
		2841	reentrant => 0,
		2842	after => 0,
		2843	data => WF_AUTOCANCEL,
		2844	cb => sub {
		2845	do_reload_perl;
		2846	undef $RELOAD_WATCHER;
		2847	},
1243	};	2848	);
1244	}	2849	}
1245		2850
1246	register "<global>", __PACKAGE__;
1247
1248	register_command "perl-reload" => sub {	2851	register_command "reload" => sub {
1249	my ($who, $arg) = @_;	2852	my ($who, $arg) = @_;
1250		2853
1251	if ($who->flag (FLAG_WIZ)) {	2854	if ($who->flag (FLAG_WIZ)) {
1252	_perl_reload {	2855	$who->message ("reloading server.");
1253	warn $_[0];	2856	async { reload_perl };
1254	$who->message ($_[0]);	2857	}
		2858	};
		2859
		2860	unshift @INC, $LIBDIR;
		2861
		2862	my $bug_warning = 0;
		2863
		2864	our @WAIT_FOR_TICK;
		2865	our @WAIT_FOR_TICK_BEGIN;
		2866
		2867	sub wait_for_tick {
		2868	return unless $TICK_WATCHER->is_active;
		2869	return if $Coro::current == $Coro::main;
		2870
		2871	my $signal = new Coro::Signal;
		2872	push @WAIT_FOR_TICK, $signal;
		2873	$signal->wait;
		2874	}
		2875
		2876	sub wait_for_tick_begin {
		2877	return unless $TICK_WATCHER->is_active;
		2878	return if $Coro::current == $Coro::main;
		2879
		2880	my $signal = new Coro::Signal;
		2881	push @WAIT_FOR_TICK_BEGIN, $signal;
		2882	$signal->wait;
		2883	}
		2884
		2885	my $min = 1e6;#d#
		2886	my $avg = 10;
		2887	$TICK_WATCHER = Event->timer (
		2888	reentrant => 0,
		2889	parked => 1,
		2890	prio => 0,
		2891	at => $NEXT_TICK || $TICK,
		2892	data => WF_AUTOCANCEL,
		2893	cb => sub {
		2894	if ($Coro::current != $Coro::main) {
		2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2896	unless ++$bug_warning > 10;
		2897	return;
		2898	}
		2899
		2900	$NOW = $tick_start = Event::time;
		2901
		2902	cf::server_tick; # one server iteration
		2903
		2904	0 && sync_job {#d#
		2905	for(1..10) {
		2906	my $t = Event::time;
		2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2908	or die;
		2909
		2910	$map->width (50);
		2911	$map->height (50);
		2912	$map->alloc;
		2913	$map->_load_objects ("/tmp/x.map", 1);
		2914	my $t = Event::time - $t;
		2915
		2916	#next unless $t < 0.0013;#d#
		2917	if ($t < $min) {
		2918	$min = $t;
		2919	}
		2920	$avg = $avg * 0.99 + $t * 0.01;
		2921	}
		2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2923	exit 0;
		2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
1255	};	2925	};
1256	}
1257	};
1258		2926
1259	unshift @INC, $LIBDIR;	2927	$RUNTIME += $TICK;
1260
1261	$TICK_WATCHER = Event->timer (
1262	prio => 0,
1263	at => $NEXT_TICK || 1,
1264	data => WF_AUTOCANCEL,
1265	cb => sub {
1266	cf::server_tick; # one server iteration
1267
1268	my $NOW = Event::time;
1269	$NEXT_TICK += $TICK;	2928	$NEXT_TICK += $TICK;
		2929
		2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2932	Coro::async_pool {
		2933	write_runtime
		2934	or warn "ERROR: unable to write runtime file: $!";
		2935	};
		2936	}
		2937
		2938	# my $AFTER = Event::time;
		2939	# warn $AFTER - $NOW;#d#
		2940
		2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2942	$sig->send;
		2943	}
		2944	while (my $sig = shift @WAIT_FOR_TICK) {
		2945	$sig->send;
		2946	}
		2947
		2948	$NOW = Event::time;
1270		2949
1271	# if we are delayed by four ticks or more, skip them all	2950	# if we are delayed by four ticks or more, skip them all
1272	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
1273		2952
1274	$TICK_WATCHER->at ($NEXT_TICK);	2953	$TICK_WATCHER->at ($NEXT_TICK);
1275	$TICK_WATCHER->start;	2954	$TICK_WATCHER->start;
		2955
		2956	$LOAD = ($NOW - $tick_start) / $TICK;
		2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2958
		2959	_post_tick;
		2960
		2961
1276	},	2962	},
1277	);	2963	);
1278		2964
		2965	{
		2966	BDB::max_poll_time $TICK * 0.1;
		2967	$BDB_POLL_WATCHER = Event->io (
		2968	reentrant => 0,
		2969	fd => BDB::poll_fileno,
		2970	poll => 'r',
		2971	prio => 0,
		2972	data => WF_AUTOCANCEL,
		2973	cb => \&BDB::poll_cb,
		2974	);
		2975	BDB::min_parallel 8;
		2976
		2977	BDB::set_sync_prepare {
		2978	my $status;
		2979	my $current = $Coro::current;
		2980	(
		2981	sub {
		2982	$status = $!;
		2983	$current->ready; undef $current;
		2984	},
		2985	sub {
		2986	Coro::schedule while defined $current;
		2987	$! = $status;
		2988	},
		2989	)
		2990	};
		2991
		2992	unless ($DB_ENV) {
		2993	$DB_ENV = BDB::db_env_create;
		2994
		2995	cf::sync_job {
		2996	eval {
		2997	BDB::db_env_open
		2998	$DB_ENV,
		2999	$BDBDIR,
		3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3002	0666;
		3003
		3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3005
		3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3007	$DB_ENV->set_lk_detect;
		3008	};
		3009
		3010	cf::cleanup "db_env_open(db): $@" if $@;
		3011	};
		3012	}
		3013	}
		3014
		3015	{
		3016	IO::AIO::min_parallel 8;
		3017
		3018	undef $Coro::AIO::WATCHER;
1279	IO::AIO::max_poll_time $TICK * 0.2;	3019	IO::AIO::max_poll_time $TICK * 0.1;
1280		3020	$AIO_POLL_WATCHER = Event->io (
1281	Event->io (fd => IO::AIO::poll_fileno,	3021	reentrant => 0,
1282	poll => 'r',
1283	prio => 5,
1284	data => WF_AUTOCANCEL,	3022	data => WF_AUTOCANCEL,
		3023	fd => IO::AIO::poll_fileno,
		3024	poll => 'r',
		3025	prio => 6,
1285	cb => \&IO::AIO::poll_cb);	3026	cb => \&IO::AIO::poll_cb,
		3027	);
		3028	}
		3029
		3030	my $_log_backtrace;
		3031
		3032	sub _log_backtrace {
		3033	my ($msg, @addr) = @_;
		3034
		3035	$msg =~ s/\n//;
		3036
		3037	# limit the # of concurrent backtraces
		3038	if ($_log_backtrace < 2) {
		3039	++$_log_backtrace;
		3040	async {
		3041	my @bt = fork_call {
		3042	@addr = map { sprintf "%x", $_ } @addr;
		3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3045	or die "addr2line: $!";
		3046
		3047	my @funcs;
		3048	my @res = <$fh>;
		3049	chomp for @res;
		3050	while (@res) {
		3051	my ($func, $line) = splice @res, 0, 2, ();
		3052	push @funcs, "[$func] $line";
		3053	}
		3054
		3055	@funcs
		3056	};
		3057
		3058	LOG llevInfo, "[ABT] $msg\n";
		3059	LOG llevInfo, "[ABT] $_\n" for @bt;
		3060	--$_log_backtrace;
		3061	};
		3062	} else {
		3063	LOG llevInfo, "[ABT] $msg\n";
		3064	LOG llevInfo, "[ABT] [suppressed]\n";
		3065	}
		3066	}
		3067
		3068	# load additional modules
		3069	use cf::pod;
		3070
		3071	END { cf::emergency_save }
1286		3072
1287	1	3073	1
1288		3074

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines