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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.117 by root, Mon Jan 1 17:50:26 2007 UTC vs.
Revision 1.287 by root, Mon Jun 25 05:43:45 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 3.61 ();
		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	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
		26	use Data::Dumper;
20	use Digest::MD5;	27	use Digest::MD5;
21	use Fcntl;	28	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	29	use YAML::Syck ();
		30	use IO::AIO 2.32 ();
24	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
25		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
26	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
27		41
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
30		44
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		46
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		48
35	our %COMMAND = ();	49	our %COMMAND = ();
36	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXTICMD = ();
		55	our %EXT_CORO = (); # coroutines bound to extensions
		56	our %EXT_MAP = (); # pluggable maps
38		57
		58	our $RELOAD; # number of reloads so far
39	our @EVENT;	59	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		60
42	our $TICK = MAX_TIME * 1e-6;	61	our $CONFDIR = confdir;
		62	our $DATADIR = datadir;
		63	our $LIBDIR = "$DATADIR/ext";
		64	our $PODDIR = "$DATADIR/pod";
		65	our $MAPDIR = "$DATADIR/" . mapdir;
		66	our $LOCALDIR = localdir;
		67	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		68	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		69	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		70	our $RANDOMDIR = "$LOCALDIR/random";
		71	our $BDBDIR = "$LOCALDIR/db";
		72
		73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	74	our $TICK_WATCHER;
		75	our $AIO_POLL_WATCHER;
		76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	77	our $NEXT_TICK;
45	our $NOW;	78	our $NOW;
		79	our $USE_FSYNC = 1; # use fsync to write maps - default off
		80
		81	our $BDB_POLL_WATCHER;
		82	our $DB_ENV;
46		83
47	our %CFG;	84	our %CFG;
48		85
49	our $UPTIME; $UPTIME ||= time;	86	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	87	our $RUNTIME;
51		88
		89	our %PLAYER; # all users
52	our %MAP; # all maps	90	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	91	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;	92
55	our $RANDOM_MAPS = cf::localdir . "/random";	93	# used to convert map paths into valid unix filenames by replacing / by ∕
56	our %EXT_CORO;	94	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		95
		96	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		97	our $LOADAVG; # same thing, but with alpha-smoothing
		98	our $tick_start; # for load detecting purposes
57		99
58	binmode STDOUT;	100	binmode STDOUT;
59	binmode STDERR;	101	binmode STDERR;
60		102
61	# read virtual server time, if available	103	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	104	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	105	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	106	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	107	$RUNTIME = <$fh> + 0.;
66	}	108	}
67		109
68	mkdir cf::localdir;	110	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	111	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		112
74	# a special map that is always available	113	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		114
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	115	sub cf::map::normalise;
78		116
79	#############################################################################	117	#############################################################################
80		118
81	=head2 GLOBAL VARIABLES	119	=head2 GLOBAL VARIABLES
82		120
…		…
89	=item $cf::RUNTIME	127	=item $cf::RUNTIME
90		128
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	129	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	130	every server tick.
93		131
94	=item $cf::LIBDIR	132	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		133	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		134	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		135
96	The perl library directory, where extensions and cf-specific modules can	136	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	137	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		138	unique-items directory, player file directory, random maps directory and
		139	database environment.
98		140
99	=item $cf::NOW	141	=item $cf::NOW
100		142
101	The time of the last (current) server tick.	143	The time of the last (current) server tick.
102		144
103	=item $cf::TICK	145	=item $cf::TICK
104		146
105	The interval between server ticks, in seconds.	147	The interval between server ticks, in seconds.
		148
		149	=item $cf::LOADAVG
		150
		151	The current CPU load on the server (alpha-smoothed), as a value between 0
		152	(none) and 1 (overloaded), indicating how much time is spent on processing
		153	objects per tick. Healthy values are < 0.5.
		154
		155	=item $cf::LOAD
		156
		157	The raw value load value from the last tick.
106		158
107	=item %cf::CFG	159	=item %cf::CFG
108		160
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	161	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	162	from wherever your confdir points to.
		163
		164	=item cf::wait_for_tick, cf::wait_for_tick_begin
		165
		166	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		167	returns directly I<after> the tick processing (and consequently, can only wake one process
		168	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
111		169
112	=back	170	=back
113		171
114	=cut	172	=cut
115		173
116	BEGIN {	174	BEGIN {
117	*CORE::GLOBAL::warn = sub {	175	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	176	my $msg = join "", @_;
119	utf8::encode $msg;
120		177
121	$msg .= "\n"	178	$msg .= "\n"
122	unless $msg =~ /\n$/;	179	unless $msg =~ /\n$/;
123		180
		181	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		182
		183	utf8::encode $msg;
124	LOG llevError, "cfperl: $msg";	184	LOG llevError, $msg;
125	};	185	};
126	}	186	}
127		187
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	188	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	189	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	190	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	191	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	192	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		193	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	194	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		195
135	# we bless all objects into (empty) derived classes to force a method lookup	196	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	197	# within the Safe compartment.
137	for my $pkg (qw(	198	for my $pkg (qw(
138	cf::global cf::attachable	199	cf::global cf::attachable
…		…
147		208
148	$Event::DIED = sub {	209	$Event::DIED = sub {
149	warn "error in event callback: @_";	210	warn "error in event callback: @_";
150	};	211	};
151		212
152	my %ext_pkg;	213	#############################################################################
153	my @exts;
154	my @hook;
155		214
156	=head2 UTILITY FUNCTIONS	215	=head2 UTILITY FUNCTIONS
157		216
158	=over 4	217	=over 4
159		218
160	=cut	219	=item dumpval $ref
161		220
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	221	=cut
		222
		223	sub dumpval {
		224	eval {
		225	local $SIG{__DIE__};
		226	my $d;
		227	if (1) {
		228	$d = new Data::Dumper([$_[0]], ["*var"]);
		229	$d->Terse(1);
		230	$d->Indent(2);
		231	$d->Quotekeys(0);
		232	$d->Useqq(1);
		233	#$d->Bless(...);
		234	$d->Seen($_[1]) if @_ > 1;
		235	$d = $d->Dump();
		236	}
		237	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		238	$d
		239	} || "[unable to dump $_[0]: '$@']";
		240	}
		241
		242	use JSON::XS ();
163		243
164	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
165		245
166	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
167		247
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
176		249
177	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
178		251
179	=cut	252	=cut
180		253
181	sub to_json($) {	254	our $json_coder = JSON::XS->new->convert_blessed->utf8;
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
183	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
		257	sub from_json ($) { $json_coder->decode ($_[0]) }
		258
		259	=item cf::lock_wait $string
		260
		261	Wait until the given lock is available. See cf::lock_acquire.
		262
		263	=item my $lock = cf::lock_acquire $string
		264
		265	Wait until the given lock is available and then acquires it and returns
		266	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		267	for example when the coroutine gets canceled), the lock is automatically
		268	returned.
		269
		270	Lock names should begin with a unique identifier (for example, cf::map::find
		271	uses map_find and cf::map::load uses map_load).
		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
		277	=cut
		278
		279	our %LOCK;
		280
		281	sub lock_wait($) {
		282	my ($key) = @_;
		283
		284	# wait for lock, if any
		285	while ($LOCK{$key}) {
		286	push @{ $LOCK{$key} }, $Coro::current;
		287	Coro::schedule;
		288	}
184	}	289	}
		290
		291	sub lock_acquire($) {
		292	my ($key) = @_;
		293
		294	# wait, to be sure we are not locked
		295	lock_wait $key;
		296
		297	$LOCK{$key} = [];
		298
		299	Coro::guard {
		300	# wake up all waiters, to be on the safe side
		301	$_->ready for @{ delete $LOCK{$key} };
		302	}
		303	}
		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
		311	sub freeze_mainloop {
		312	return unless $TICK_WATCHER->is_active;
		313
		314	my $guard = Coro::guard {
		315	$TICK_WATCHER->start;
		316	};
		317	$TICK_WATCHER->stop;
		318	$guard
		319	}
		320
		321	=item cf::async { BLOCK }
		322
		323	Currently the same as Coro::async_pool, meaning you cannot use
		324	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		325	thing you are allowed to do is call C<prio> on it.
		326
		327	=cut
		328
		329	BEGIN { *async = \&Coro::async_pool }
185		330
186	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
187		332
188	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
189	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
191		337
192	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
193	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
194	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
195	fast or be very important.	341	fast or be very important.
…		…
198		344
199	sub sync_job(&) {	345	sub sync_job(&) {
200	my ($job) = @_;	346	my ($job) = @_;
201		347
202	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
203	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
205		353
206	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	355	# (but this is cancel-safe)
208	local $FREEZE = 1;	356	my $freeze_guard = freeze_mainloop;
209		357
210	my $busy = 1;	358	my $busy = 1;
211	my @res;	359	my @res;
212		360
213	(Coro::async {	361	(async {
214	@res = eval { $job->() };	362	@res = eval { $job->() };
215	warn $@ if $@;	363	warn $@ if $@;
216	undef $busy;	364	undef $busy;
217	})->prio (Coro::PRIO_MAX);	365	})->prio (Coro::PRIO_MAX);
218		366
219	while ($busy) {	367	while ($busy) {
220	Coro::cede_notself;	368	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	369	}
		370
		371	$time = Event::time - $time;
		372
		373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		375
		376	$tick_start += $time; # do not account sync jobs to server load
223		377
224	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
225	} else {	379	} else {
226	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
227		381
228	$job->()	382	$job->()
229	}	383	}
230	}	384	}
231		385
232	=item $coro = cf::coro { BLOCK }	386	=item $coro = cf::async_ext { BLOCK }
233		387
234	Creates and returns a new coro. This coro is automcatially being canceled	388	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	389	extension calling this is being unloaded.
236		390
237	=cut	391	=cut
238		392
239	sub coro(&) {	393	sub async_ext(&) {
240	my $cb = shift;	394	my $cb = shift;
241		395
242	my $coro; $coro = async {	396	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		397
249	$coro->on_destroy (sub {	398	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	399	delete $EXT_CORO{$coro+0};
251	});	400	});
252	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
253		402
254	$coro	403	$coro
255	}	404	}
256		405
257	sub write_runtime {	406	=item fork_call { }, $args
258	my $runtime = cf::localdir . "/runtime";
259		407
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
261	or return;	409	process, returning the results. Everything must be serialisable with
		410	Coro::Storable. May, of course, block. Note that the executed sub may
		411	never block itself or use any form of Event handling.
262		412
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	413	=cut
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;
266		414
267	aio_fsync $fh	415	sub fork_call(&@) {
268	and return;	416	my ($cb, @args) = @_;
269		417
		418	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		419	# or die "socketpair: $!";
		420	pipe my $fh1, my $fh2
		421	or die "pipe: $!";
		422
		423	if (my $pid = fork) {
270	close $fh	424	close $fh2;
271	or return;
272		425
273	aio_rename "$runtime~", $runtime	426	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
274	and return;	427	$res = Coro::Storable::thaw $res;
275		428
		429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		430
		431	die $$res unless "ARRAY" eq ref $res;
		432
		433	return wantarray ? @$res : $res->[-1];
		434	} else {
		435	reset_signals;
		436	local $SIG{__WARN__};
		437	local $SIG{__DIE__};
		438	eval {
		439	close $fh1;
		440
		441	my @res = eval { $cb->(@args) };
		442	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		443	};
		444
		445	warn $@ if $@;
		446	_exit 0;
276	1	447	}
		448	}
		449
		450	=item $value = cf::db_get $family => $key
		451
		452	Returns a single value from the environment database.
		453
		454	=item cf::db_put $family => $key => $value
		455
		456	Stores the given C<$value> in the family. It can currently store binary
		457	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		458
		459	=cut
		460
		461	our $DB;
		462
		463	sub db_init {
		464	unless ($DB) {
		465	$DB = BDB::db_create $DB_ENV;
		466
		467	cf::sync_job {
		468	eval {
		469	$DB->set_flags (BDB::CHKSUM);
		470
		471	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		472	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		473	cf::cleanup "db_open(db): $!" if $!;
		474	};
		475	cf::cleanup "db_open(db): $@" if $@;
		476	};
		477	}
		478	}
		479
		480	sub db_get($$) {
		481	my $key = "$_[0]/$_[1]";
		482
		483	cf::sync_job {
		484	BDB::db_get $DB, undef, $key, my $data;
		485
		486	$! ? ()
		487	: $data
		488	}
		489	}
		490
		491	sub db_put($$$) {
		492	BDB::dbreq_pri 4;
		493	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		494	}
		495
		496	=item cf::cache $id => [$paths...], $processversion => $process
		497
		498	Generic caching function that returns the value of the resource $id,
		499	caching and regenerating as required.
		500
		501	This function can block.
		502
		503	=cut
		504
		505	sub cache {
		506	my ($id, $src, $processversion, $process) = @_;
		507
		508	my $meta =
		509	join "\x00",
		510	$processversion,
		511	map {
		512	aio_stat $_
		513	and Carp::croak "$_: $!";
		514
		515	($_, (stat _)[7,9])
		516	} @$src;
		517
		518	my $dbmeta = db_get cache => "$id/meta";
		519	if ($dbmeta ne $meta) {
		520	# changed, we may need to process
		521
		522	my @data;
		523	my $md5;
		524
		525	for (0 .. $#$src) {
		526	0 <= aio_load $src->[$_], $data[$_]
		527	or Carp::croak "$src->[$_]: $!";
		528	}
		529
		530	# if processing is expensive, check
		531	# checksum first
		532	if (1) {
		533	$md5 =
		534	join "\x00",
		535	$processversion,
		536	map {
		537	Coro::cede;
		538	($src->[$_], Digest::MD5::md5_hex $data[$_])
		539	} 0.. $#$src;
		540
		541
		542	my $dbmd5 = db_get cache => "$id/md5";
		543	if ($dbmd5 eq $md5) {
		544	db_put cache => "$id/meta", $meta;
		545
		546	return db_get cache => "$id/data";
		547	}
		548	}
		549
		550	my $t1 = Time::HiRes::time;
		551	my $data = $process->(\@data);
		552	my $t2 = Time::HiRes::time;
		553
		554	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		555
		556	db_put cache => "$id/data", $data;
		557	db_put cache => "$id/md5" , $md5;
		558	db_put cache => "$id/meta", $meta;
		559
		560	return $data;
		561	}
		562
		563	db_get cache => "$id/data"
		564	}
		565
		566	=item cf::datalog type => key => value, ...
		567
		568	Log a datalog packet of the given type with the given key-value pairs.
		569
		570	=cut
		571
		572	sub datalog($@) {
		573	my ($type, %kv) = @_;
		574	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
277	}	575	}
278		576
279	=back	577	=back
280		578
281	=cut	579	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		580
403	#############################################################################	581	#############################################################################
404		582
405	=head2 ATTACHABLE OBJECTS	583	=head2 ATTACHABLE OBJECTS
406		584
…		…
408	attach callbacks/event handlers (a collection of which is called an "attachment")	586	attach callbacks/event handlers (a collection of which is called an "attachment")
409	to it. All such attachable objects support the following methods.	587	to it. All such attachable objects support the following methods.
410		588
411	In the following description, CLASS can be any of C<global>, C<object>	589	In the following description, CLASS can be any of C<global>, C<object>
412	C<player>, C<client> or C<map> (i.e. the attachable objects in	590	C<player>, C<client> or C<map> (i.e. the attachable objects in
413	crossfire+).	591	Crossfire TRT).
414		592
415	=over 4	593	=over 4
416		594
417	=item $attachable->attach ($attachment, key => $value...)	595	=item $attachable->attach ($attachment, key => $value...)
418		596
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	710	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	711	our @CB_MAP = ();
534		712
535	my %attachment;	713	my %attachment;
536		714
		715	sub cf::attachable::thawer_merge {
		716	# simply override everything except _meta
		717	local $_[0]{_meta};
		718	%{$_[0]} = %{$_[1]};
		719	}
		720
537	sub _attach_cb($$$$) {	721	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	722	my ($registry, $event, $prio, $cb) = @_;
539		723
540	use sort 'stable';	724	use sort 'stable';
541		725
…		…
575	$registry = $CB_TYPE[$object_type] ||= [];	759	$registry = $CB_TYPE[$object_type] ||= [];
576		760
577	} elsif ($type eq "subtype") {	761	} elsif ($type eq "subtype") {
578	defined $object_type or Carp::croak "subtype specified without type";	762	defined $object_type or Carp::croak "subtype specified without type";
579	my $object_subtype = shift @arg;	763	my $object_subtype = shift @arg;
580	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	764	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
581		765
582	} elsif ($type eq "package") {	766	} elsif ($type eq "package") {
583	my $pkg = shift @arg;	767	my $pkg = shift @arg;
584		768
585	while (my ($name, $id) = each %cb_id) {	769	while (my ($name, $id) = each %cb_id) {
…		…
614	_attach $registry, $klass, @attach;	798	_attach $registry, $klass, @attach;
615	}	799	}
616		800
617	$obj->{$name} = \%arg;	801	$obj->{$name} = \%arg;
618	} else {	802	} else {
619	warn "object uses attachment '$name' that is not available, postponing.\n";	803	warn "object uses attachment '$name' which is not available, postponing.\n";
620	}	804	}
621		805
622	$obj->{_attachment}{$name} = undef;	806	$obj->{_attachment}{$name} = undef;
623	}	807	}
624		808
…		…
626	if (ref $_[0]) {	810	if (ref $_[0]) {
627	_object_attach @_;	811	_object_attach @_;
628	} else {	812	} else {
629	_attach shift->_attach_registry, @_;	813	_attach shift->_attach_registry, @_;
630	}	814	}
		815	_recalc_want;
631	};	816	};
632		817
633	# all those should be optimised	818	# all those should be optimised
634	sub cf::attachable::detach {	819	sub cf::attachable::detach {
635	my ($obj, $name) = @_;	820	my ($obj, $name) = @_;
…		…
638	delete $obj->{_attachment}{$name};	823	delete $obj->{_attachment}{$name};
639	reattach ($obj);	824	reattach ($obj);
640	} else {	825	} else {
641	Carp::croak "cannot, currently, detach class attachments";	826	Carp::croak "cannot, currently, detach class attachments";
642	}	827	}
		828	_recalc_want;
643	};	829	};
644		830
645	sub cf::attachable::attached {	831	sub cf::attachable::attached {
646	my ($obj, $name) = @_;	832	my ($obj, $name) = @_;
647		833
…		…
712	# object support	898	# object support
713		899
714	sub reattach {	900	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	901	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	902	my ($obj) = @_;
		903
		904	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		905
718	my $registry = $obj->registry;	906	my $registry = $obj->registry;
719		907
720	@$registry = ();	908	@$registry = ();
721		909
…		…
768	$filename, length $$rdata, scalar @$objs;	956	$filename, length $$rdata, scalar @$objs;
769		957
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	958	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	959	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	960	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	962	close $fh;
775		963
776	if (@$objs) {	964	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	965	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	966	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	967	my $data = Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	968	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh;	969	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	970	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	971	aio_rename "$filename.pst~", "$filename.pst";
784	}	972	}
785	} else {	973	} else {
786	aio_unlink "$filename.pst";	974	aio_unlink "$filename.pst";
…		…
817	(aio_load "$filename.pst", $av) >= 0	1005	(aio_load "$filename.pst", $av) >= 0
818	or return;	1006	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	1007	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1008	}
821		1009
		1010	warn sprintf "loading %s (%d)\n",
		1011	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1012	return ($data, $av);
823	}	1013	}
		1014
		1015	=head2 COMMAND CALLBACKS
		1016
		1017	=over 4
		1018
		1019	=cut
824		1020
825	#############################################################################	1021	#############################################################################
826	# command handling &c	1022	# command handling &c
827		1023
828	=item cf::register_command $name => \&callback($ob,$args);	1024	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1037	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1038	}
843		1039
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1040	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1041
846	Register a callbackf ro execution when the client sends an extcmd packet.	1042	Register a callback for execution when the client sends an (synchronous)
		1043	extcmd packet. Ext commands will be processed in the order they are
		1044	received by the server, like other user commands. The first argument is
		1045	the logged-in player. Ext commands can only be processed after a player
		1046	has logged in successfully.
847		1047
848	If the callback returns something, it is sent back as if reply was being	1048	If the callback returns something, it is sent back as if reply was being
849	called.	1049	called.
850		1050
		1051	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1052
		1053	Register a callback for execution when the client sends an (asynchronous)
		1054	exticmd packet. Exti commands are processed by the server as soon as they
		1055	are received, i.e. out of order w.r.t. other commands. The first argument
		1056	is a client socket. Exti commands can be received anytime, even before
		1057	log-in.
		1058
		1059	If the callback returns something, it is sent back as if reply was being
		1060	called.
		1061
851	=cut	1062	=cut
852		1063
853	sub register_extcmd {	1064	sub register_extcmd {
854	my ($name, $cb) = @_;	1065	my ($name, $cb) = @_;
855		1066
856	my $caller = caller;
857	#warn "registering extcmd '$name' to '$caller'";
858
859	$EXTCMD{$name} = [$cb, $caller];	1067	$EXTCMD{$name} = $cb;
		1068	}
		1069
		1070	sub register_exticmd {
		1071	my ($name, $cb) = @_;
		1072
		1073	$EXTICMD{$name} = $cb;
860	}	1074	}
861		1075
862	cf::player->attach (	1076	cf::player->attach (
863	on_command => sub {	1077	on_command => sub {
864	my ($pl, $name, $params) = @_;	1078	my ($pl, $name, $params) = @_;
…		…
877		1091
878	my $msg = eval { from_json $buf };	1092	my $msg = eval { from_json $buf };
879		1093
880	if (ref $msg) {	1094	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1095	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->[0]->($pl, $msg)) {	1096	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	1097	$pl->ext_reply ($msg->{msgid}, %reply);
884	}	1098	}
885	}	1099	}
886	} else {	1100	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1101	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
889		1103
890	cf::override;	1104	cf::override;
891	},	1105	},
892	);	1106	);
893		1107
894	sub register {
895	my ($base, $pkg) = @_;
896
897	#TODO
898	}
899
900	sub load_extension {	1108	sub load_extensions {
		1109	cf::sync_job {
		1110	my %todo;
		1111
		1112	for my $path (<$LIBDIR/*.ext>) {
		1113	next unless -r $path;
		1114
		1115	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1116	my $base = $1;
		1117	my $pkg = $1;
		1118	$pkg =~ s/[^[:word:]]/_/g;
		1119	$pkg = "ext::$pkg";
		1120
		1121	open my $fh, "<:utf8", $path
		1122	or die "$path: $!";
		1123
		1124	my $source = do { local $/; <$fh> };
		1125
		1126	my %ext = (
		1127	path => $path,
		1128	base => $base,
		1129	pkg => $pkg,
		1130	);
		1131
		1132	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1133	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1134
		1135	$ext{source} =
		1136	"package $pkg; use strict; use utf8;\n"
		1137	. "#line 1 \"$path\"\n{\n"
		1138	. $source
		1139	. "\n};\n1";
		1140
		1141	$todo{$base} = \%ext;
		1142	}
		1143
		1144	my %done;
		1145	while (%todo) {
		1146	my $progress;
		1147
		1148	while (my ($k, $v) = each %todo) {
		1149	for (split /,\s*/, $v->{meta}{depends}) {
		1150	goto skip
		1151	unless exists $done{$_};
		1152	}
		1153
		1154	warn "... loading '$k' into '$v->{pkg}'\n";
		1155
		1156	unless (eval $v->{source}) {
		1157	my $msg = $@ ? "$v->{path}: $@\n"
		1158	: "$v->{base}: extension inactive.\n";
		1159
		1160	if (exists $v->{meta}{mandatory}) {
		1161	warn $msg;
		1162	warn "mandatory extension failed to load, exiting.\n";
		1163	exit 1;
		1164	}
		1165
		1166	warn $msg;
		1167	}
		1168
		1169	$done{$k} = delete $todo{$k};
		1170	push @EXTS, $v->{pkg};
		1171	$progress = 1;
		1172	}
		1173
		1174	skip:
		1175	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1176	unless $progress;
		1177	}
		1178	};
		1179	}
		1180
		1181	#############################################################################
		1182
		1183	=back
		1184
		1185	=head2 CORE EXTENSIONS
		1186
		1187	Functions and methods that extend core crossfire objects.
		1188
		1189	=cut
		1190
		1191	package cf::player;
		1192
		1193	use Coro::AIO;
		1194
		1195	=head3 cf::player
		1196
		1197	=over 4
		1198
		1199	=item cf::player::find $login
		1200
		1201	Returns the given player object, loading it if necessary (might block).
		1202
		1203	=cut
		1204
		1205	sub playerdir($) {
		1206	"$PLAYERDIR/"
		1207	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1208	}
		1209
		1210	sub path($) {
		1211	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1212
		1213	(playerdir $login) . "/playerdata"
		1214	}
		1215
		1216	sub find_active($) {
		1217	$cf::PLAYER{$_[0]}
		1218	and $cf::PLAYER{$_[0]}->active
		1219	and $cf::PLAYER{$_[0]}
		1220	}
		1221
		1222	sub exists($) {
		1223	my ($login) = @_;
		1224
		1225	$cf::PLAYER{$login}
		1226	or cf::sync_job { !aio_stat path $login }
		1227	}
		1228
		1229	sub find($) {
		1230	return $cf::PLAYER{$_[0]} || do {
		1231	my $login = $_[0];
		1232
		1233	my $guard = cf::lock_acquire "user_find:$login";
		1234
		1235	$cf::PLAYER{$_[0]} || do {
		1236	# rename old playerfiles to new ones
		1237	#TODO: remove when no longer required
		1238	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1239	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1240	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1241	aio_unlink +(playerdir $login) . "/$login.pl";
		1242
		1243	my $pl = load_pl path $login
		1244	or return;
		1245	$cf::PLAYER{$login} = $pl
		1246	}
		1247	}
		1248	}
		1249
		1250	sub save($) {
		1251	my ($pl) = @_;
		1252
		1253	return if $pl->{deny_save};
		1254
		1255	my $path = path $pl;
		1256	my $guard = cf::lock_acquire "user_save:$path";
		1257
		1258	return if $pl->{deny_save};
		1259
		1260	aio_mkdir playerdir $pl, 0770;
		1261	$pl->{last_save} = $cf::RUNTIME;
		1262
		1263	$pl->save_pl ($path);
		1264	Coro::cede;
		1265	}
		1266
		1267	sub new($) {
		1268	my ($login) = @_;
		1269
		1270	my $self = create;
		1271
		1272	$self->ob->name ($login);
		1273	$self->{deny_save} = 1;
		1274
		1275	$cf::PLAYER{$login} = $self;
		1276
		1277	$self
		1278	}
		1279
		1280	=item $pl->quit_character
		1281
		1282	Nukes the player without looking back. If logged in, the connection will
		1283	be destroyed. May block for a long time.
		1284
		1285	=cut
		1286
		1287	sub quit_character {
		1288	my ($pl) = @_;
		1289
		1290	my $name = $pl->ob->name;
		1291
		1292	$pl->{deny_save} = 1;
		1293	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1294
		1295	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1296	$pl->deactivate;
		1297	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1298	$pl->ns->destroy if $pl->ns;
		1299
		1300	my $path = playerdir $pl;
		1301	my $temp = "$path~$cf::RUNTIME~deleting~";
		1302	aio_rename $path, $temp;
		1303	delete $cf::PLAYER{$pl->ob->name};
		1304	$pl->destroy;
		1305
		1306	my $prefix = qr<^~\Q$name\E/>;
		1307
		1308	# nuke player maps
		1309	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1310
		1311	IO::AIO::aio_rmtree $temp;
		1312	}
		1313
		1314	=item $pl->kick
		1315
		1316	Kicks a player out of the game. This destroys the connection.
		1317
		1318	=cut
		1319
		1320	sub kick {
		1321	my ($pl, $kicker) = @_;
		1322
		1323	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1324	$pl->killer ("kicked");
		1325	$pl->ns->destroy;
		1326	}
		1327
		1328	=item cf::player::list_logins
		1329
		1330	Returns am arrayref of all valid playernames in the system, can take a
		1331	while and may block, so not sync_job-capable, ever.
		1332
		1333	=cut
		1334
		1335	sub list_logins {
		1336	my $dirs = aio_readdir $PLAYERDIR
		1337	or return [];
		1338
		1339	my @logins;
		1340
		1341	for my $login (@$dirs) {
		1342	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1343	aio_read $fh, 0, 512, my $buf, 0 or next;
		1344	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1345
		1346	utf8::decode $login;
		1347	push @logins, $login;
		1348	}
		1349
		1350	\@logins
		1351	}
		1352
		1353	=item $player->maps
		1354
		1355	Returns an arrayref of map paths that are private for this
		1356	player. May block.
		1357
		1358	=cut
		1359
		1360	sub maps($) {
		1361	my ($pl) = @_;
		1362
		1363	$pl = ref $pl ? $pl->ob->name : $pl;
		1364
		1365	my $files = aio_readdir playerdir $pl
		1366	or return;
		1367
		1368	my @paths;
		1369
		1370	for (@$files) {
		1371	utf8::decode $_;
		1372	next if /\.(?:pl|pst)$/;
		1373	next unless /^$PATH_SEP/o;
		1374
		1375	push @paths, cf::map::normalise "~$pl/$_";
		1376	}
		1377
		1378	\@paths
		1379	}
		1380
		1381	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1382
		1383	Expand crossfire pod fragments into protocol xml.
		1384
		1385	=cut
		1386
		1387	sub expand_cfpod {
		1388	((my $self), (local $_)) = @_;
		1389
		1390	# escape & and <
		1391	s/&/&amp;/g;
		1392	s/(?<![BIUGH])</&lt;/g;
		1393
		1394	# this is buggy, it needs to properly take care of nested <'s
		1395
		1396	1 while
		1397	# replace B<>, I<>, U<> etc.
		1398	s/B<([^\>]*)>/<b>$1<\/b>/
		1399	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1400	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1401	# replace G<male|female> tags
		1402	|| s{G<([^>|]*)\|([^>]*)>}{
		1403	$self->gender ? $2 : $1
		1404	}ge
		1405	# replace H<hint text>
		1406	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1407
		1408	# create single paragraphs (very hackish)
		1409	s/(?<=\S)\n(?=\w)/ /g;
		1410
		1411	$_
		1412	}
		1413
		1414	=item $player->ext_reply ($msgid, %msg)
		1415
		1416	Sends an ext reply to the player.
		1417
		1418	=cut
		1419
		1420	sub ext_reply($$%) {
		1421	my ($self, $id, %msg) = @_;
		1422
		1423	$msg{msgid} = $id;
		1424	$self->send ("ext " . cf::to_json \%msg);
		1425	}
		1426
		1427	=item $player->ext_event ($type, %msg)
		1428
		1429	Sends an ext event to the client.
		1430
		1431	=cut
		1432
		1433	sub ext_event($$%) {
		1434	my ($self, $type, %msg) = @_;
		1435
		1436	$self->ns->ext_event ($type, %msg);
		1437	}
		1438
		1439	=head3 cf::region
		1440
		1441	=over 4
		1442
		1443	=cut
		1444
		1445	package cf::region;
		1446
		1447	=item cf::region::find_by_path $path
		1448
		1449	Tries to decuce the likely region for a map knowing only its path.
		1450
		1451	=cut
		1452
		1453	sub find_by_path($) {
901	my ($path) = @_;	1454	my ($path) = @_;
902		1455
903	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1456	my ($match, $specificity);
904	my $base = $1;
905	my $pkg = $1;
906	$pkg =~ s/[^[:word:]]/_/g;
907	$pkg = "ext::$pkg";
908		1457
909	warn "loading '$path' into '$pkg'\n";	1458	for my $region (list) {
910		1459	if ($region->match && $path =~ $region->match) {
911	open my $fh, "<:utf8", $path	1460	($match, $specificity) = ($region, $region->specificity)
912	or die "$path: $!";	1461	if $region->specificity > $specificity;
913		1462	}
914	my $source =
915	"package $pkg; use strict; use utf8;\n"
916	. "#line 1 \"$path\"\n{\n"
917	. (do { local $/; <$fh> })
918	. "\n};\n1";
919
920	eval $source
921	or die $@ ? "$path: $@\n"
922	: "extension disabled.\n";
923
924	push @exts, $pkg;
925	$ext_pkg{$base} = $pkg;
926
927	# no strict 'refs';
928	# @{"$pkg\::ISA"} = ext::;
929
930	register $base, $pkg;
931	}
932
933	sub unload_extension {
934	my ($pkg) = @_;
935
936	warn "removing extension $pkg\n";
937
938	# remove hooks
939	#TODO
940	# for my $idx (0 .. $#PLUGIN_EVENT) {
941	# delete $hook[$idx]{$pkg};
942	# }	1463	}
943		1464
944	# remove commands	1465	$match
945	for my $name (keys %COMMAND) {
946	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
947
948	if (@cb) {
949	$COMMAND{$name} = \@cb;
950	} else {
951	delete $COMMAND{$name};
952	}
953	}
954
955	# remove extcmds
956	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
957	delete $EXTCMD{$name};
958	}
959
960	if (my $cb = $pkg->can ("unload")) {
961	eval {
962	$cb->($pkg);
963	1
964	} or warn "$pkg unloaded, but with errors: $@";
965	}
966
967	Symbol::delete_package $pkg;
968	}
969
970	sub load_extensions {
971	for my $ext (<$LIBDIR/*.ext>) {
972	next unless -r $ext;
973	eval {
974	load_extension $ext;
975	1
976	} or warn "$ext not loaded: $@";
977	}
978	}
979
980	#############################################################################
981	# load/save/clean perl data associated with a map
982
983	*cf::mapsupport::on_clean = sub {
984	my ($map) = @_;
985
986	my $path = $map->tmpname;
987	defined $path or return;
988
989	unlink "$path.pst";
990	};
991
992	cf::map->attach (prio => -10000, package => cf::mapsupport::);
993
994	#############################################################################
995	# load/save perl data associated with player->ob objects
996
997	sub all_objects(@) {
998	@_, map all_objects ($_->inv), @_
999	}
1000
1001	# TODO: compatibility cruft, remove when no longer needed
1002	cf::player->attach (
1003	on_load => sub {
1004	my ($pl, $path) = @_;
1005
1006	for my $o (all_objects $pl->ob) {
1007	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1008	$o->set_ob_key_value ("_perl_data");
1009
1010	%$o = %{ Storable::thaw pack "H*", $value };
1011	}
1012	}
1013	},
1014	);
1015
1016	#############################################################################
1017
1018	=head2 CORE EXTENSIONS
1019
1020	Functions and methods that extend core crossfire objects.
1021
1022	=head3 cf::player
1023
1024	=over 4
1025
1026	=item cf::player::exists $login
1027
1028	Returns true when the given account exists.
1029
1030	=cut
1031
1032	sub cf::player::exists($) {
1033	cf::player::find $_[0]
1034	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1035	}
1036
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)
1038
1039	Sends an ext reply to the player.
1040
1041	=cut
1042
1043	sub cf::player::ext_reply($$$%) {
1044	my ($self, $id, %msg) = @_;
1045
1046	$msg{msgid} = $id;
1047
1048	$self->send ("ext " . to_json \%msg);
1049	}	1466	}
1050		1467
1051	=back	1468	=back
1052
1053		1469
1054	=head3 cf::map	1470	=head3 cf::map
1055		1471
1056	=over 4	1472	=over 4
1057		1473
…		…
1060	package cf::map;	1476	package cf::map;
1061		1477
1062	use Fcntl;	1478	use Fcntl;
1063	use Coro::AIO;	1479	use Coro::AIO;
1064		1480
		1481	use overload
		1482	'""' => \&as_string,
		1483	fallback => 1;
		1484
1065	our $MAX_RESET = 7200;	1485	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1486	our $DEFAULT_RESET = 3000;
1067		1487
1068	sub generate_random_map {	1488	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1489	my ($self, $rmp) = @_;
1070
1071	# mit "rum" bekleckern, nicht	1490	# mit "rum" bekleckern, nicht
1072	cf::map::_create_random_map	1491	$self->_create_random_map (
1073	$path,
1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1492	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1493	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1494	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1077	$rmp->{exit_on_final_map},	1495	$rmp->{exit_on_final_map},
1078	$rmp->{xsize}, $rmp->{ysize},	1496	$rmp->{xsize}, $rmp->{ysize},
1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1497	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1498	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1499	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1082	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1500	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1501	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1084	(cf::region::find $rmp->{region})	1502	(cf::region::find $rmp->{region}), $rmp->{custom}
		1503	)
		1504	}
		1505
		1506	=item cf::map->register ($regex, $prio)
		1507
		1508	Register a handler for the map path matching the given regex at the
		1509	givne priority (higher is better, built-in handlers have priority 0, the
		1510	default).
		1511
		1512	=cut
		1513
		1514	sub register {
		1515	my (undef, $regex, $prio) = @_;
		1516	my $pkg = caller;
		1517
		1518	no strict;
		1519	push @{"$pkg\::ISA"}, __PACKAGE__;
		1520
		1521	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1522	}
		1523
		1524	# also paths starting with '/'
		1525	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1526
		1527	sub thawer_merge {
		1528	my ($self, $merge) = @_;
		1529
		1530	# we have to keep some variables in memory intact
		1531	local $self->{path};
		1532	local $self->{load_path};
		1533
		1534	$self->SUPER::thawer_merge ($merge);
		1535	}
		1536
		1537	sub normalise {
		1538	my ($path, $base) = @_;
		1539
		1540	$path = "$path"; # make sure its a string
		1541
		1542	$path =~ s/\.map$//;
		1543
		1544	# map plan:
		1545	#
		1546	# /! non-realised random map exit (special hack!)
		1547	# {... are special paths that are not being touched
		1548	# ?xxx/... are special absolute paths
		1549	# ?random/... random maps
		1550	# /... normal maps
		1551	# ~user/... per-player map of a specific user
		1552
		1553	$path =~ s/$PATH_SEP/\//go;
		1554
		1555	# treat it as relative path if it starts with
		1556	# something that looks reasonable
		1557	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1558	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1559
		1560	$base =~ s{[^/]+/?$}{};
		1561	$path = "$base/$path";
		1562	}
		1563
		1564	for ($path) {
		1565	redo if s{//}{/};
		1566	redo if s{/\.?/}{/};
		1567	redo if s{/[^/]+/\.\./}{/};
		1568	}
		1569
		1570	$path
		1571	}
		1572
		1573	sub new_from_path {
		1574	my (undef, $path, $base) = @_;
		1575
		1576	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1577
		1578	$path = normalise $path, $base;
		1579
		1580	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1581	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1582	my $self = bless cf::map::new, $pkg;
		1583	$self->{path} = $path; $self->path ($path);
		1584	$self->init; # pass $1 etc.
		1585	return $self;
		1586	}
		1587	}
		1588
		1589	Carp::carp "unable to resolve path '$path' (base '$base').";
		1590	()
		1591	}
		1592
		1593	sub init {
		1594	my ($self) = @_;
		1595
		1596	$self
		1597	}
		1598
		1599	sub as_string {
		1600	my ($self) = @_;
		1601
		1602	"$self->{path}"
		1603	}
		1604
		1605	# the displayed name, this is a one way mapping
		1606	sub visible_name {
		1607	&as_string
		1608	}
		1609
		1610	# the original (read-only) location
		1611	sub load_path {
		1612	my ($self) = @_;
		1613
		1614	"$MAPDIR/$self->{path}.map"
		1615	}
		1616
		1617	# the temporary/swap location
		1618	sub save_path {
		1619	my ($self) = @_;
		1620
		1621	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1622	"$TMPDIR/$path.map"
		1623	}
		1624
		1625	# the unique path, undef == no special unique path
		1626	sub uniq_path {
		1627	my ($self) = @_;
		1628
		1629	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1630	"$UNIQUEDIR/$path"
1085	}	1631	}
1086		1632
1087	# and all this just because we cannot iterate over	1633	# and all this just because we cannot iterate over
1088	# all maps in C++...	1634	# all maps in C++...
1089	sub change_all_map_light {	1635	sub change_all_map_light {
1090	my ($change) = @_;	1636	my ($change) = @_;
1091		1637
1092	$_->change_map_light ($change) for values %cf::MAP;	1638	$_->change_map_light ($change)
		1639	for grep $_->outdoor, values %cf::MAP;
1093	}	1640	}
1094		1641
		1642	sub decay_objects {
		1643	my ($self) = @_;
		1644
		1645	return if $self->{deny_reset};
		1646
		1647	$self->do_decay_objects;
		1648	}
		1649
		1650	sub unlink_save {
		1651	my ($self) = @_;
		1652
		1653	utf8::encode (my $save = $self->save_path);
		1654	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1655	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1656	}
		1657
1095	sub try_load_header($) {	1658	sub load_header_from($) {
1096	my ($path) = @_;	1659	my ($self, $path) = @_;
1097		1660
1098	utf8::encode $path;	1661	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	1662	#aio_open $path, O_RDONLY, 0
		1663	# or return;
		1664
		1665	$self->_load_header ($path)
1100	or return;	1666	or return;
1101		1667
1102	my $map = cf::map::new	1668	$self->{load_path} = $path;
		1669
		1670	1
		1671	}
		1672
		1673	sub load_header_orig {
		1674	my ($self) = @_;
		1675
		1676	$self->load_header_from ($self->load_path)
		1677	}
		1678
		1679	sub load_header_temp {
		1680	my ($self) = @_;
		1681
		1682	$self->load_header_from ($self->save_path)
		1683	}
		1684
		1685	sub prepare_temp {
		1686	my ($self) = @_;
		1687
		1688	$self->last_access ((delete $self->{last_access})
		1689	|| $cf::RUNTIME); #d#
		1690	# safety
		1691	$self->{instantiate_time} = $cf::RUNTIME
		1692	if $self->{instantiate_time} > $cf::RUNTIME;
		1693	}
		1694
		1695	sub prepare_orig {
		1696	my ($self) = @_;
		1697
		1698	$self->{load_original} = 1;
		1699	$self->{instantiate_time} = $cf::RUNTIME;
		1700	$self->last_access ($cf::RUNTIME);
		1701	$self->instantiate;
		1702	}
		1703
		1704	sub load_header {
		1705	my ($self) = @_;
		1706
		1707	if ($self->load_header_temp) {
		1708	$self->prepare_temp;
		1709	} else {
		1710	$self->load_header_orig
1103	or return;	1711	or return;
		1712	$self->prepare_orig;
		1713	}
1104		1714
1105	$map->load_header ($path)	1715	$self->{deny_reset} = 1
1106	or return;	1716	if $self->no_reset;
1107		1717
1108	$map->{load_path} = $path;	1718	$self->default_region (cf::region::find_by_path $self->{path})
		1719	unless $self->default_region;
1109		1720
1110	$map	1721	1
1111	}	1722	}
1112		1723
		1724	sub find;
1113	sub find_map {	1725	sub find {
1114	my ($path, $origin) = @_;	1726	my ($path, $origin) = @_;
1115		1727
1116	#warn "find_map<$path,$origin>\n";#d#
1117
1118	$path = new cf::path $path, $origin && $origin->path;	1728	$path = normalise $path, $origin && $origin->path;
1119	my $key = $path->as_string;
1120		1729
		1730	cf::lock_wait "map_find:$path";
		1731
1121	$cf::MAP{$key} || do {	1732	$cf::MAP{$path} || do {
1122	# do it the slow way	1733	my $guard = cf::lock_acquire "map_find:$path";
1123	my $map = try_load_header $path->save_path;	1734	my $map = new_from_path cf::map $path
1124
1125	if ($map) {
1126	# safety
1127	$map->{instantiate_time} = $cf::RUNTIME
1128	if $map->{instantiate_time} > $cf::RUNTIME;
1129	} else {
1130	if (my $rmp = $path->random_map_params) {
1131	$map = generate_random_map $key, $rmp;
1132	} else {
1133	$map = try_load_header $path->load_path;
1134	}
1135
1136	$map or return;	1735	or return;
1137		1736
1138	$map->{load_original} = 1;
1139	$map->{instantiate_time} = $cf::RUNTIME;
1140	$map->instantiate;
1141
1142	# per-player maps become, after loading, normal maps
1143	$map->per_player (0) if $path->{user_rel};
1144	}
1145
1146	$map->path ($key);
1147	$map->{path} = $path;
1148	$map->{last_save} = $cf::RUNTIME;	1737	$map->{last_save} = $cf::RUNTIME;
1149	$map->last_access ($cf::RUNTIME);
1150		1738
1151	if ($map->should_reset) {	1739	$map->load_header
		1740	or return;
		1741
		1742	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1743	# doing this can freeze the server in a sync job, obviously
		1744	#$cf::WAIT_FOR_TICK->wait;
1152	$map->reset;	1745	$map->reset;
1153	$map = find_map $path;	1746	undef $guard;
		1747	return find $path;
1154	}	1748	}
1155		1749
1156	$cf::MAP{$key} = $map	1750	$cf::MAP{$path} = $map
1157	}	1751	}
1158	}	1752	}
		1753
		1754	sub pre_load { }
		1755	sub post_load { }
1159		1756
1160	sub load {	1757	sub load {
1161	my ($self) = @_;	1758	my ($self) = @_;
1162		1759
1163	return if $self->in_memory != cf::MAP_SWAPPED;	1760	local $self->{deny_reset} = 1; # loading can take a long time
1164
1165	$self->in_memory (cf::MAP_LOADING);
1166		1761
1167	my $path = $self->{path};	1762	my $path = $self->{path};
1168		1763
		1764	{
		1765	my $guard = cf::lock_acquire "map_load:$path";
		1766
		1767	return if $self->in_memory != cf::MAP_SWAPPED;
		1768
		1769	$self->in_memory (cf::MAP_LOADING);
		1770
1169	$self->alloc;	1771	$self->alloc;
		1772
		1773	$self->pre_load;
		1774	Coro::cede;
		1775
1170	$self->load_objects ($self->{load_path}, 1)	1776	$self->_load_objects ($self->{load_path}, 1)
1171	or return;	1777	or return;
1172		1778
1173	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1779	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1174	if delete $self->{load_original};	1780	if delete $self->{load_original};
1175		1781
1176	if (my $uniq = $path->uniq_path) {	1782	if (my $uniq = $self->uniq_path) {
1177	utf8::encode $uniq;	1783	utf8::encode $uniq;
1178	if (aio_open $uniq, O_RDONLY, 0) {	1784	if (aio_open $uniq, O_RDONLY, 0) {
1179	$self->clear_unique_items;	1785	$self->clear_unique_items;
1180	$self->load_objects ($uniq, 0);	1786	$self->_load_objects ($uniq, 0);
1181	}	1787	}
1182	}	1788	}
1183		1789
		1790	Coro::cede;
1184	# now do the right thing for maps	1791	# now do the right thing for maps
1185	$self->link_multipart_objects;	1792	$self->link_multipart_objects;
1186
1187	if ($self->{path}->is_style_map) {
1188	$self->{deny_save} = 1;
1189	$self->{deny_reset} = 1;
1190	} else {
1191	$self->fix_auto_apply;
1192	$self->decay_objects;
1193	$self->update_buttons;
1194	$self->set_darkness_map;
1195	$self->difficulty ($self->estimate_difficulty)	1793	$self->difficulty ($self->estimate_difficulty)
1196	unless $self->difficulty;	1794	unless $self->difficulty;
		1795	Coro::cede;
		1796
		1797	unless ($self->{deny_activate}) {
		1798	$self->decay_objects;
		1799	$self->fix_auto_apply;
		1800	$self->update_buttons;
		1801	Coro::cede;
		1802	$self->set_darkness_map;
		1803	Coro::cede;
1197	$self->activate;	1804	$self->activate;
1198	}	1805	}
1199		1806
1200	$self->in_memory (cf::MAP_IN_MEMORY);	1807	$self->in_memory (cf::MAP_IN_MEMORY);
1201	}	1808	}
1202		1809
1203	sub load_map_sync {	1810	$self->post_load;
		1811	}
		1812
		1813	sub customise_for {
		1814	my ($self, $ob) = @_;
		1815
		1816	return find "~" . $ob->name . "/" . $self->{path}
		1817	if $self->per_player;
		1818
		1819	# return find "?party/" . $ob->name . "/" . $self->{path}
		1820	# if $self->per_party;
		1821
		1822	$self
		1823	}
		1824
		1825	# find and load all maps in the 3x3 area around a map
		1826	sub load_diag {
		1827	my ($map) = @_;
		1828
		1829	my @diag; # diagonal neighbours
		1830
		1831	for (0 .. 3) {
		1832	my $neigh = $map->tile_path ($_)
		1833	or next;
		1834	$neigh = find $neigh, $map
		1835	or next;
		1836	$neigh->load;
		1837
		1838	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1839	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1840	}
		1841
		1842	for (@diag) {
		1843	my $neigh = find @$_
		1844	or next;
		1845	$neigh->load;
		1846	}
		1847	}
		1848
		1849	sub find_sync {
1204	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1205		1851
1206	#warn "load_map_sync<$path, $origin>\n";#d#	1852	cf::sync_job { find $path, $origin }
		1853	}
1207		1854
1208	cf::sync_job {	1855	sub do_load_sync {
1209	my $map = cf::map::find_map $path, $origin	1856	my ($map) = @_;
1210	or return;	1857
		1858	cf::sync_job { $map->load };
		1859	}
		1860
		1861	our %MAP_PREFETCH;
		1862	our $MAP_PREFETCHER = undef;
		1863
		1864	sub find_async {
		1865	my ($path, $origin) = @_;
		1866
		1867	$path = normalise $path, $origin && $origin->{path};
		1868
		1869	if (my $map = $cf::MAP{$path}) {
		1870	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1871	}
		1872
		1873	undef $MAP_PREFETCH{$path};
		1874	$MAP_PREFETCHER ||= cf::async {
		1875	while (%MAP_PREFETCH) {
		1876	for my $path (keys %MAP_PREFETCH) {
		1877	my $map = find $path
		1878	or next;
1211	$map->load;	1879	$map->load;
1212	$map	1880
		1881	delete $MAP_PREFETCH{$path};
		1882	}
		1883	}
		1884	undef $MAP_PREFETCHER;
1213	}	1885	};
		1886	$MAP_PREFETCHER->prio (6);
		1887
		1888	()
1214	}	1889	}
1215		1890
1216	sub save {	1891	sub save {
1217	my ($self) = @_;	1892	my ($self) = @_;
1218		1893
		1894	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1895
1219	$self->{last_save} = $cf::RUNTIME;	1896	$self->{last_save} = $cf::RUNTIME;
1220		1897
1221	return unless $self->dirty;	1898	return unless $self->dirty;
1222		1899
1223	my $save = $self->{path}->save_path; utf8::encode $save;	1900	my $save = $self->save_path; utf8::encode $save;
1224	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1901	my $uniq = $self->uniq_path; utf8::encode $uniq;
1225		1902
1226	$self->{load_path} = $save;	1903	$self->{load_path} = $save;
1227		1904
1228	return if $self->{deny_save};	1905	return if $self->{deny_save};
1229		1906
		1907	local $self->{last_access} = $self->last_access;#d#
		1908
		1909	cf::async {
		1910	$_->contr->save for $self->players;
		1911	};
		1912
1230	if ($uniq) {	1913	if ($uniq) {
1231	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1914	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1232	$self->save_objects ($uniq, cf::IO_UNIQUES);	1915	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1233	} else {	1916	} else {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1917	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1235	}	1918	}
1236	}	1919	}
1237		1920
1238	sub swap_out {	1921	sub swap_out {
1239	my ($self) = @_;	1922	my ($self) = @_;
		1923
		1924	# save first because save cedes
		1925	$self->save;
		1926
		1927	my $lock = cf::lock_acquire "map_data:" . $self->path;
1240		1928
1241	return if $self->players;	1929	return if $self->players;
1242	return if $self->in_memory != cf::MAP_IN_MEMORY;	1930	return if $self->in_memory != cf::MAP_IN_MEMORY;
1243	return if $self->{deny_save};	1931	return if $self->{deny_save};
1244		1932
1245	$self->save;
1246	$self->clear;	1933	$self->clear;
1247	$self->in_memory (cf::MAP_SWAPPED);	1934	$self->in_memory (cf::MAP_SWAPPED);
1248	}	1935	}
1249		1936
1250	sub reset_at {	1937	sub reset_at {
1251	my ($self) = @_;	1938	my ($self) = @_;
1252		1939
1253	# TODO: safety, remove and allow resettable per-player maps	1940	# TODO: safety, remove and allow resettable per-player maps
1254	return 1e99 if $self->{path}{user_rel};
1255	return 1e99 if $self->{deny_reset};	1941	return 1e99 if $self->{deny_reset};
1256		1942
1257	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1943	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1258	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1944	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1259		1945
…		…
1264	my ($self) = @_;	1950	my ($self) = @_;
1265		1951
1266	$self->reset_at <= $cf::RUNTIME	1952	$self->reset_at <= $cf::RUNTIME
1267	}	1953	}
1268		1954
1269	sub unlink_save {
1270	my ($self) = @_;
1271
1272	utf8::encode (my $save = $self->{path}->save_path);
1273	aioreq_pri 3; IO::AIO::aio_unlink $save;
1274	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1275	}
1276
1277	sub rename {
1278	my ($self, $new_path) = @_;
1279
1280	$self->unlink_save;
1281
1282	delete $cf::MAP{$self->path};
1283	$self->{path} = new cf::path $new_path;
1284	$self->path ($self->{path}->as_string);
1285	$cf::MAP{$self->path} = $self;
1286
1287	$self->save;
1288	}
1289
1290	sub reset {	1955	sub reset {
1291	my ($self) = @_;	1956	my ($self) = @_;
1292		1957
		1958	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1959
1293	return if $self->players;	1960	return if $self->players;
1294	return if $self->{path}{user_rel};#d#
1295		1961
1296	warn "resetting map ", $self->path;#d#	1962	warn "resetting map ", $self->path;
		1963
		1964	$self->in_memory (cf::MAP_SWAPPED);
		1965
		1966	# need to save uniques path
		1967	unless ($self->{deny_save}) {
		1968	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1969
		1970	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1971	if $uniq;
		1972	}
1297		1973
1298	delete $cf::MAP{$self->path};	1974	delete $cf::MAP{$self->path};
		1975
		1976	$self->clear;
1299		1977
1300	$_->clear_links_to ($self) for values %cf::MAP;	1978	$_->clear_links_to ($self) for values %cf::MAP;
1301		1979
1302	$self->unlink_save;	1980	$self->unlink_save;
1303	$self->destroy;	1981	$self->destroy;
…		…
1306	my $nuke_counter = "aaaa";	1984	my $nuke_counter = "aaaa";
1307		1985
1308	sub nuke {	1986	sub nuke {
1309	my ($self) = @_;	1987	my ($self) = @_;
1310		1988
		1989	delete $cf::MAP{$self->path};
		1990
		1991	$self->unlink_save;
		1992
		1993	bless $self, "cf::map";
		1994	delete $self->{deny_reset};
1311	$self->{deny_save} = 1;	1995	$self->{deny_save} = 1;
1312	$self->reset_timeout (1);	1996	$self->reset_timeout (1);
1313	$self->rename ("{nuke}/" . ($nuke_counter++));	1997	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1998
		1999	$cf::MAP{$self->path} = $self;
		2000
1314	$self->reset; # polite request, might not happen	2001	$self->reset; # polite request, might not happen
1315	}	2002	}
1316		2003
1317	sub customise_for {	2004	=item $maps = cf::map::tmp_maps
1318	my ($map, $ob) = @_;
1319		2005
1320	if ($map->per_player) {	2006	Returns an arrayref with all map paths of currently instantiated and saved
1321	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2007	maps. May block.
		2008
		2009	=cut
		2010
		2011	sub tmp_maps() {
1322	}	2012	[
1323		2013	map {
1324	$map	2014	utf8::decode $_;
		2015	/\.map$/
		2016	? normalise $_
		2017	: ()
		2018	} @{ aio_readdir $TMPDIR or [] }
		2019	]
1325	}	2020	}
1326		2021
1327	sub emergency_save {	2022	=item $maps = cf::map::random_maps
1328	local $cf::FREEZE = 1;
1329		2023
1330	warn "enter emergency map save\n";	2024	Returns an arrayref with all map paths of currently instantiated and saved
		2025	random maps. May block.
1331		2026
1332	cf::sync_job {	2027	=cut
1333	warn "begin emergency map save\n";
1334	$_->save for values %cf::MAP;
1335	};
1336		2028
1337	warn "end emergency map save\n";	2029	sub random_maps() {
		2030	[
		2031	map {
		2032	utf8::decode $_;
		2033	/\.map$/
		2034	? normalise "?random/$_"
		2035	: ()
		2036	} @{ aio_readdir $RANDOMDIR or [] }
		2037	]
		2038	}
		2039
		2040	=item cf::map::unique_maps
		2041
		2042	Returns an arrayref of paths of all shared maps that have
		2043	instantiated unique items. May block.
		2044
		2045	=cut
		2046
		2047	sub unique_maps() {
		2048	[
		2049	map {
		2050	utf8::decode $_;
		2051	/\.map$/
		2052	? normalise $_
		2053	: ()
		2054	} @{ aio_readdir $UNIQUEDIR or [] }
		2055	]
1338	}	2056	}
1339		2057
1340	package cf;	2058	package cf;
1341		2059
1342	=back	2060	=back
1343		2061
		2062	=head3 cf::object
		2063
		2064	=cut
		2065
		2066	package cf::object;
		2067
		2068	=over 4
		2069
		2070	=item $ob->inv_recursive
		2071
		2072	Returns the inventory of the object _and_ their inventories, recursively.
		2073
		2074	=cut
		2075
		2076	sub inv_recursive_;
		2077	sub inv_recursive_ {
		2078	map { $_, inv_recursive_ $_->inv } @_
		2079	}
		2080
		2081	sub inv_recursive {
		2082	inv_recursive_ inv $_[0]
		2083	}
		2084
		2085	package cf;
		2086
		2087	=back
1344		2088
1345	=head3 cf::object::player	2089	=head3 cf::object::player
1346		2090
1347	=over 4	2091	=over 4
1348		2092
…		…
1362		2106
1363	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2107	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1364		2108
1365	if ($self->{record_replies}) {	2109	if ($self->{record_replies}) {
1366	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2110	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2111
1367	} else {	2112	} else {
		2113	my $pl = $self->contr;
		2114
		2115	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2116	my $diag = $pl->{npc_dialog};
		2117	$diag->{pl}->ext_reply (
		2118	$diag->{id},
		2119	msgtype => "reply",
		2120	msg => $diag->{pl}->expand_cfpod ($msg),
		2121	add_topics => []
		2122	);
		2123
		2124	} else {
1368	$msg = $npc->name . " says: $msg" if $npc;	2125	$msg = $npc->name . " says: $msg" if $npc;
1369	$self->message ($msg, $flags);	2126	$self->message ($msg, $flags);
		2127	}
1370	}	2128	}
1371	}	2129	}
1372		2130
1373	=item $player_object->may ("access")	2131	=item $player_object->may ("access")
1374		2132
…		…
1388		2146
1389	=item $player_object->enter_link	2147	=item $player_object->enter_link
1390		2148
1391	Freezes the player and moves him/her to a special map (C<{link}>).	2149	Freezes the player and moves him/her to a special map (C<{link}>).
1392		2150
1393	The player should be reaosnably safe there for short amounts of time. You	2151	The player should be reasonably safe there for short amounts of time. You
1394	I<MUST> call C<leave_link> as soon as possible, though.	2152	I<MUST> call C<leave_link> as soon as possible, though.
1395		2153
		2154	Will never block.
		2155
1396	=item $player_object->leave_link ($map, $x, $y)	2156	=item $player_object->leave_link ($map, $x, $y)
1397		2157
1398	Moves the player out of the specila link map onto the given map. If the	2158	Moves the player out of the special C<{link}> map onto the specified
1399	map is not valid (or omitted), the player will be moved back to the	2159	map. If the map is not valid (or omitted), the player will be moved back
1400	location he/she was before the call to C<enter_link>, or, if that fails,	2160	to the location he/she was before the call to C<enter_link>, or, if that
1401	to the emergency map position.	2161	fails, to the emergency map position.
1402		2162
1403	Might block.	2163	Might block.
1404		2164
1405	=cut	2165	=cut
		2166
		2167	sub link_map {
		2168	unless ($LINK_MAP) {
		2169	$LINK_MAP = cf::map::find "{link}"
		2170	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2171	$LINK_MAP->load;
		2172	}
		2173
		2174	$LINK_MAP
		2175	}
1406		2176
1407	sub cf::object::player::enter_link {	2177	sub cf::object::player::enter_link {
1408	my ($self) = @_;	2178	my ($self) = @_;
1409		2179
1410	return if $self->map == $LINK_MAP;
1411
1412	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
1413	if $self->map;
1414
1415	$self->enter_map ($LINK_MAP, 20, 20);
1416	$self->deactivate_recursive;	2180	$self->deactivate_recursive;
		2181
		2182	return if UNIVERSAL::isa $self->map, "ext::map_link";
		2183
		2184	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		2185	if $self->map && $self->map->{path} ne "{link}";
		2186
		2187	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1417	}	2188	}
1418		2189
1419	sub cf::object::player::leave_link {	2190	sub cf::object::player::leave_link {
1420	my ($self, $map, $x, $y) = @_;	2191	my ($self, $map, $x, $y) = @_;
		2192
		2193	return unless $self->contr->active;
1421		2194
1422	my $link_pos = delete $self->{_link_pos};	2195	my $link_pos = delete $self->{_link_pos};
1423		2196
1424	unless ($map) {	2197	unless ($map) {
1425	# restore original map position	2198	# restore original map position
1426	($map, $x, $y) = @{ $link_pos || [] };	2199	($map, $x, $y) = @{ $link_pos || [] };
1427	$map = cf::map::find_map $map;	2200	$map = cf::map::find $map;
1428		2201
1429	unless ($map) {	2202	unless ($map) {
1430	($map, $x, $y) = @$EMERGENCY_POSITION;	2203	($map, $x, $y) = @$EMERGENCY_POSITION;
1431	$map = cf::map::find_map $map	2204	$map = cf::map::find $map
1432	or die "FATAL: cannot load emergency map\n";	2205	or die "FATAL: cannot load emergency map\n";
1433	}	2206	}
1434	}	2207	}
1435		2208
1436	($x, $y) = (-1, -1)	2209	($x, $y) = (-1, -1)
…		…
1439	# use -1 or undef as default coordinates, not 0, 0	2212	# use -1 or undef as default coordinates, not 0, 0
1440	($x, $y) = ($map->enter_x, $map->enter_y)	2213	($x, $y) = ($map->enter_x, $map->enter_y)
1441	if $x <=0 && $y <= 0;	2214	if $x <=0 && $y <= 0;
1442		2215
1443	$map->load;	2216	$map->load;
		2217	$map->load_diag;
1444		2218
		2219	return unless $self->contr->active;
1445	$self->activate_recursive;	2220	$self->activate_recursive;
		2221
		2222	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1446	$self->enter_map ($map, $x, $y);	2223	$self->enter_map ($map, $x, $y);
1447	}	2224	}
1448		2225
1449	=item $player_object->goto_map ($map, $x, $y)	2226	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1450		2227
1451	=cut	2228	Moves the player to the given map-path and coordinates by first freezing
		2229	her, loading and preparing them map, calling the provided $check callback
		2230	that has to return the map if sucecssful, and then unfreezes the player on
		2231	the new (success) or old (failed) map position.
1452		2232
		2233	=cut
		2234
		2235	our $GOTOGEN;
		2236
1453	sub cf::object::player::goto_map {	2237	sub cf::object::player::goto {
1454	my ($self, $path, $x, $y) = @_;	2238	my ($self, $path, $x, $y, $check) = @_;
		2239
		2240	# do generation counting so two concurrent goto's will be executed in-order
		2241	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1455		2242
1456	$self->enter_link;	2243	$self->enter_link;
1457		2244
1458	(Coro::async {	2245	(async {
1459	$path = new cf::path $path;	2246	my $map = eval {
1460
1461	my $map = cf::map::find_map $path->as_string;	2247	my $map = cf::map::find $path;
1462	$map = $map->customise_for ($self) if $map;
1463		2248
1464	warn "entering ", $map->path, " at ($x, $y)\n"
1465	if $map;	2249	if ($map) {
1466		2250	$map = $map->customise_for ($self);
		2251	$map = $check->($map) if $check && $map;
		2252	} else {
1467	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2253	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2254	}
1468		2255
		2256	$map
		2257	};
		2258
		2259	if ($@) {
		2260	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2261	LOG llevError | logBacktrace, Carp::longmess $@;
		2262	}
		2263
		2264	if ($gen == $self->{_goto_generation}) {
		2265	delete $self->{_goto_generation};
1469	$self->leave_link ($map, $x, $y);	2266	$self->leave_link ($map, $x, $y);
		2267	}
1470	})->prio (1);	2268	})->prio (1);
1471	}	2269	}
1472		2270
1473	=item $player_object->enter_exit ($exit_object)	2271	=item $player_object->enter_exit ($exit_object)
1474		2272
…		…
1476		2274
1477	sub parse_random_map_params {	2275	sub parse_random_map_params {
1478	my ($spec) = @_;	2276	my ($spec) = @_;
1479		2277
1480	my $rmp = { # defaults	2278	my $rmp = { # defaults
1481	xsize => 10,	2279	xsize => (cf::rndm 15, 40),
1482	ysize => 10,	2280	ysize => (cf::rndm 15, 40),
		2281	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2282	#layout => string,
1483	};	2283	};
1484		2284
1485	for (split /\n/, $spec) {	2285	for (split /\n/, $spec) {
1486	my ($k, $v) = split /\s+/, $_, 2;	2286	my ($k, $v) = split /\s+/, $_, 2;
1487		2287
…		…
1491	$rmp	2291	$rmp
1492	}	2292	}
1493		2293
1494	sub prepare_random_map {	2294	sub prepare_random_map {
1495	my ($exit) = @_;	2295	my ($exit) = @_;
		2296
		2297	my $guard = cf::lock_acquire "exit_prepare:$exit";
1496		2298
1497	# all this does is basically replace the /! path by	2299	# all this does is basically replace the /! path by
1498	# a new random map path (?random/...) with a seed	2300	# a new random map path (?random/...) with a seed
1499	# that depends on the exit object	2301	# that depends on the exit object
1500		2302
1501	my $rmp = parse_random_map_params $exit->msg;	2303	my $rmp = parse_random_map_params $exit->msg;
1502		2304
1503	if ($exit->map) {	2305	if ($exit->map) {
1504	$rmp->{region} = $exit->map->region_name;	2306	$rmp->{region} = $exit->region->name;
1505	$rmp->{origin_map} = $exit->map->path;	2307	$rmp->{origin_map} = $exit->map->path;
1506	$rmp->{origin_x} = $exit->x;	2308	$rmp->{origin_x} = $exit->x;
1507	$rmp->{origin_y} = $exit->y;	2309	$rmp->{origin_y} = $exit->y;
1508	}	2310	}
1509		2311
1510	$rmp->{random_seed} ||= $exit->random_seed;	2312	$rmp->{random_seed} ||= $exit->random_seed;
1511		2313
1512	my $data = cf::to_json $rmp;	2314	my $data = cf::to_json $rmp;
1513	my $md5 = Digest::MD5::md5_hex $data;	2315	my $md5 = Digest::MD5::md5_hex $data;
		2316	my $meta = "$RANDOMDIR/$md5.meta";
1514		2317
1515	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2318	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1516	aio_write $fh, 0, (length $data), $data, 0;	2319	aio_write $fh, 0, (length $data), $data, 0;
		2320	undef $fh;
		2321	aio_rename "$meta~", $meta;
1517		2322
1518	$exit->slaying ("?random/$md5");	2323	$exit->slaying ("?random/$md5");
1519	$exit->msg (undef);	2324	$exit->msg (undef);
1520	}	2325	}
1521	}	2326	}
…		…
1523	sub cf::object::player::enter_exit {	2328	sub cf::object::player::enter_exit {
1524	my ($self, $exit) = @_;	2329	my ($self, $exit) = @_;
1525		2330
1526	return unless $self->type == cf::PLAYER;	2331	return unless $self->type == cf::PLAYER;
1527		2332
		2333	if ($exit->slaying eq "/!") {
		2334	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2335	# the problem is that $exit might not survive long enough
		2336	# so it needs to be done right now, right here
		2337	cf::sync_job { prepare_random_map $exit };
		2338	}
		2339
		2340	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2341	my $hp = $exit->stats->hp;
		2342	my $sp = $exit->stats->sp;
		2343
1528	$self->enter_link;	2344	$self->enter_link;
1529		2345
1530	(Coro::async {	2346	(async {
		2347	$self->deactivate_recursive; # just to be sure
1531	unless (eval {	2348	unless (eval {
1532		2349	$self->goto ($slaying, $hp, $sp);
1533	prepare_random_map $exit
1534	if $exit->slaying eq "/!";
1535
1536	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1537	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1538		2350
1539	1;	2351	1;
1540	}) {	2352	}) {
1541	$self->message ("Something went wrong deep within the crossfire server. "	2353	$self->message ("Something went wrong deep within the crossfire server. "
1542	. "I'll try to bring you back to the map you were before. "	2354	. "I'll try to bring you back to the map you were before. "
1543	. "Please report this to the dungeon master",	2355	. "Please report this to the dungeon master!",
1544	cf::NDI_UNIQUE | cf::NDI_RED);	2356	cf::NDI_UNIQUE | cf::NDI_RED);
1545		2357
1546	warn "ERROR in enter_exit: $@";	2358	warn "ERROR in enter_exit: $@";
1547	$self->leave_link;	2359	$self->leave_link;
1548	}	2360	}
1549	})->prio (1);	2361	})->prio (1);
…		…
1562		2374
1563	sub cf::client::send_drawinfo {	2375	sub cf::client::send_drawinfo {
1564	my ($self, $text, $flags) = @_;	2376	my ($self, $text, $flags) = @_;
1565		2377
1566	utf8::encode $text;	2378	utf8::encode $text;
1567	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2379	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1568	}	2380	}
1569		2381
		2382	=item $client->send_msg ($color, $type, $msg, [extra...])
		2383
		2384	Send a drawinfo or msg packet to the client, formatting the msg for the
		2385	client if neccessary. C<$type> should be a string identifying the type of
		2386	the message, with C<log> being the default. If C<$color> is negative, suppress
		2387	the message unless the client supports the msg packet.
		2388
		2389	=cut
		2390
		2391	sub cf::client::send_msg {
		2392	my ($self, $color, $type, $msg, @extra) = @_;
		2393
		2394	$msg = $self->pl->expand_cfpod ($msg);
		2395
		2396	if ($self->can_msg) {
		2397	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2398	} else {
		2399	# replace some tags by gcfclient-compatible ones
		2400	for ($msg) {
		2401	1 while
		2402	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2403	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2404	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2405	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2406	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2407	}
		2408
		2409	if ($color >= 0) {
		2410	if (0 && $msg =~ /\[/) {
		2411	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2412	} else {
		2413	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2414	$self->send_packet ("drawinfo $color $msg")
		2415	}
		2416	}
		2417	}
		2418	}
		2419
		2420	=item $client->ext_event ($type, %msg)
		2421
		2422	Sends an ext event to the client.
		2423
		2424	=cut
		2425
		2426	sub cf::client::ext_event($$%) {
		2427	my ($self, $type, %msg) = @_;
		2428
		2429	$msg{msgtype} = "event_$type";
		2430	$self->send_packet ("ext " . cf::to_json \%msg);
		2431	}
1570		2432
1571	=item $success = $client->query ($flags, "text", \&cb)	2433	=item $success = $client->query ($flags, "text", \&cb)
1572		2434
1573	Queues a query to the client, calling the given callback with	2435	Queues a query to the client, calling the given callback with
1574	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2436	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1575	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2437	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1576		2438
1577	Queries can fail, so check the return code. Or don't, as queries will become	2439	Queries can fail, so check the return code. Or don't, as queries will
1578	reliable at some point in the future.	2440	become reliable at some point in the future.
1579		2441
1580	=cut	2442	=cut
1581		2443
1582	sub cf::client::query {	2444	sub cf::client::query {
1583	my ($self, $flags, $text, $cb) = @_;	2445	my ($self, $flags, $text, $cb) = @_;
…		…
1591	utf8::encode $text;	2453	utf8::encode $text;
1592	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2454	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1593		2455
1594	$self->send_packet ($self->{query_queue}[0][0])	2456	$self->send_packet ($self->{query_queue}[0][0])
1595	if @{ $self->{query_queue} } == 1;	2457	if @{ $self->{query_queue} } == 1;
		2458
		2459	1
1596	}	2460	}
1597		2461
1598	cf::client->attach (	2462	cf::client->attach (
1599	on_reply => sub {	2463	on_reply => sub {
1600	my ($ns, $msg) = @_;	2464	my ($ns, $msg) = @_;
1601		2465
1602	# this weird shuffling is so that direct followup queries	2466	# this weird shuffling is so that direct followup queries
1603	# get handled first	2467	# get handled first
1604	my $queue = delete $ns->{query_queue};	2468	my $queue = delete $ns->{query_queue}
		2469	or return; # be conservative, not sure how that can happen, but we saw a crash here
1605		2470
1606	(shift @$queue)->[1]->($msg);	2471	(shift @$queue)->[1]->($msg);
		2472	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1607		2473
1608	push @{ $ns->{query_queue} }, @$queue;	2474	push @{ $ns->{query_queue} }, @$queue;
1609		2475
1610	if (@{ $ns->{query_queue} } == @$queue) {	2476	if (@{ $ns->{query_queue} } == @$queue) {
1611	if (@$queue) {	2477	if (@$queue) {
…		…
1613	} else {	2479	} else {
1614	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2480	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1615	}	2481	}
1616	}	2482	}
1617	},	2483	},
		2484	on_exticmd => sub {
		2485	my ($ns, $buf) = @_;
		2486
		2487	my $msg = eval { from_json $buf };
		2488
		2489	if (ref $msg) {
		2490	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2491	if (my %reply = $cb->($ns, $msg)) {
		2492	$reply{msgid} = $msg->{msgid};
		2493	$ns->send ("ext " . cf::to_json \%reply);
		2494	}
		2495	}
		2496	} else {
		2497	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2498	}
		2499
		2500	cf::override;
		2501	},
1618	);	2502	);
1619		2503
1620	=item $client->coro (\&cb)	2504	=item $client->async (\&cb)
1621		2505
1622	Create a new coroutine, running the specified callback. The coroutine will	2506	Create a new coroutine, running the specified callback. The coroutine will
1623	be automatically cancelled when the client gets destroyed (e.g. on logout,	2507	be automatically cancelled when the client gets destroyed (e.g. on logout,
1624	or loss of connection).	2508	or loss of connection).
1625		2509
1626	=cut	2510	=cut
1627		2511
1628	sub cf::client::coro {	2512	sub cf::client::async {
1629	my ($self, $cb) = @_;	2513	my ($self, $cb) = @_;
1630		2514
1631	my $coro; $coro = async {	2515	my $coro = &Coro::async ($cb);
1632	eval {
1633	$cb->();
1634	};
1635	warn $@ if $@;
1636	};
1637		2516
1638	$coro->on_destroy (sub {	2517	$coro->on_destroy (sub {
1639	delete $self->{_coro}{$coro+0};	2518	delete $self->{_coro}{$coro+0};
1640	});	2519	});
1641		2520
…		…
1674		2553
1675	# here we export the classes and methods available to script code	2554	# here we export the classes and methods available to script code
1676		2555
1677	=pod	2556	=pod
1678		2557
1679	The following fucntions and emthods are available within a safe environment:	2558	The following functions and methods are available within a safe environment:
1680		2559
1681	cf::object contr pay_amount pay_player map	2560	cf::object contr pay_amount pay_player map
1682	cf::object::player player	2561	cf::object::player player
1683	cf::player peaceful	2562	cf::player peaceful
1684	cf::map trigger	2563	cf::map trigger
…		…
1765	=back	2644	=back
1766		2645
1767	=cut	2646	=cut
1768		2647
1769	#############################################################################	2648	#############################################################################
		2649	# the server's init and main functions
1770		2650
1771	=head2 EXTENSION DATABASE SUPPORT	2651	sub load_facedata($) {
		2652	my ($path) = @_;
1772		2653
1773	Crossfire maintains a very simple database for extension use. It can	2654	warn "loading facedata from $path\n";
1774	currently store anything that can be serialised using Storable, which
1775	excludes objects.
1776		2655
1777	The parameter C<$family> should best start with the name of the extension	2656	my $facedata;
1778	using it, it should be unique.	2657	0 < aio_load $path, $facedata
		2658	or die "$path: $!";
1779		2659
1780	=over 4	2660	$facedata = Coro::Storable::thaw $facedata;
1781		2661
1782	=item $hashref = cf::db_get $family	2662	$facedata->{version} == 2
		2663	or cf::cleanup "$path: version mismatch, cannot proceed.";
1783		2664
1784	Return a hashref for use by the extension C<$family>, which can be
1785	modified. After modifications, you have to call C<cf::db_dirty> or
1786	C<cf::db_sync>.
1787
1788	=item $value = cf::db_get $family => $key
1789
1790	Returns a single value from the database
1791
1792	=item cf::db_put $family => $hashref
1793
1794	Stores the given family hashref into the database. Updates are delayed, if
1795	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1796
1797	=item cf::db_put $family => $key => $value
1798
1799	Stores the given C<$value> in the family hash. Updates are delayed, if you
1800	want the data to be synced to disk immediately, use C<cf::db_sync>.
1801
1802	=item cf::db_dirty
1803
1804	Marks the database as dirty, to be updated at a later time.
1805
1806	=item cf::db_sync
1807
1808	Immediately write the database to disk I<if it is dirty>.
1809
1810	=cut
1811
1812	our $DB;
1813
1814	{
1815	my $path = cf::localdir . "/database.pst";
1816
1817	sub db_load() {
1818	warn "loading database $path\n";#d# remove later
1819	$DB = stat $path ? Storable::retrieve $path : { };
1820	}	2665	{
		2666	my $faces = $facedata->{faceinfo};
1821		2667
1822	my $pid;	2668	while (my ($face, $info) = each %$faces) {
1823		2669	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1824	sub db_save() {	2670	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
1825	warn "saving database $path\n";#d# remove later	2671	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
1826	waitpid $pid, 0 if $pid;	2672	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
1827	if (0 == ($pid = fork)) {	2673	Coro::cede;
1828	$DB->{_meta}{version} = 1;
1829	Storable::nstore $DB, "$path~";
1830	rename "$path~", $path;
1831	cf::_exit 0 if defined $pid;
1832	}
1833	}
1834
1835	my $dirty;
1836
1837	sub db_sync() {
1838	db_save if $dirty;
1839	undef $dirty;
1840	}
1841
1842	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1843	db_sync;
1844	});
1845
1846	sub db_dirty() {
1847	$dirty = 1;
1848	$idle->start;
1849	}
1850
1851	sub db_get($;$) {
1852	@_ >= 2
1853	? $DB->{$_[0]}{$_[1]}
1854	: ($DB->{$_[0]} ||= { })
1855	}
1856
1857	sub db_put($$;$) {
1858	if (@_ >= 3) {
1859	$DB->{$_[0]}{$_[1]} = $_[2];
1860	} else {
1861	$DB->{$_[0]} = $_[1];
1862	}
1863	db_dirty;
1864	}
1865
1866	cf::global->attach (
1867	prio => 10000,
1868	on_cleanup => sub {
1869	db_sync;
1870	},	2674	}
1871	);
1872	}
1873		2675
1874	#############################################################################	2676	while (my ($face, $info) = each %$faces) {
1875	# the server's main()	2677	next unless $info->{smooth};
		2678	my $idx = cf::face::find $face
		2679	or next;
		2680	if (my $smooth = cf::face::find $info->{smooth}) {
		2681	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2682	} else {
		2683	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2684	}
		2685	Coro::cede;
		2686	}
		2687	}
		2688
		2689	{
		2690	my $anims = $facedata->{animinfo};
		2691
		2692	while (my ($anim, $info) = each %$anims) {
		2693	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2694	Coro::cede;
		2695	}
		2696
		2697	cf::anim::invalidate_all; # d'oh
		2698	}
		2699
		2700	1
		2701	}
		2702
		2703	sub reload_regions {
		2704	load_resource_file "$MAPDIR/regions"
		2705	or die "unable to load regions file\n";
		2706	}
		2707
		2708	sub reload_facedata {
		2709	load_facedata "$DATADIR/facedata"
		2710	or die "unable to load facedata\n";
		2711	}
		2712
		2713	sub reload_archetypes {
		2714	load_resource_file "$DATADIR/archetypes"
		2715	or die "unable to load archetypes\n";
		2716	}
		2717
		2718	sub reload_treasures {
		2719	load_resource_file "$DATADIR/treasures"
		2720	or die "unable to load treasurelists\n";
		2721	}
		2722
		2723	sub reload_resources {
		2724	warn "reloading resource files...\n";
		2725
		2726	reload_regions;
		2727	reload_facedata;
		2728	#reload_archetypes;#d#
		2729	reload_archetypes;
		2730	reload_treasures;
		2731
		2732	warn "finished reloading resource files\n";
		2733	}
		2734
		2735	sub init {
		2736	reload_resources;
		2737	}
1876		2738
1877	sub cfg_load {	2739	sub cfg_load {
1878	open my $fh, "<:utf8", cf::confdir . "/config"	2740	open my $fh, "<:utf8", "$CONFDIR/config"
1879	or return;	2741	or return;
1880		2742
1881	local $/;	2743	local $/;
1882	*CFG = YAML::Syck::Load <$fh>;	2744	*CFG = YAML::Syck::Load <$fh>;
		2745
		2746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2747
		2748	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2749	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2750
		2751	if (exists $CFG{mlockall}) {
		2752	eval {
		2753	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2754	and die "WARNING: m(un)lockall failed: $!\n";
		2755	};
		2756	warn $@ if $@;
		2757	}
1883	}	2758	}
1884		2759
1885	sub main {	2760	sub main {
1886	# we must not ever block the main coroutine	2761	# we must not ever block the main coroutine
1887	local $Coro::idle = sub {	2762	local $Coro::idle = sub {
1888	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2763	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1889	(Coro::unblock_sub {	2764	(async {
1890	Event::one_event;	2765	Event::one_event;
1891	})->();	2766	})->prio (Coro::PRIO_MAX);
1892	};	2767	};
1893		2768
1894	cfg_load;	2769	cfg_load;
1895	db_load;	2770	db_init;
1896	load_extensions;	2771	load_extensions;
		2772
		2773	$TICK_WATCHER->start;
1897	Event::loop;	2774	Event::loop;
1898	}	2775	}
1899		2776
1900	#############################################################################	2777	#############################################################################
1901	# initialisation	2778	# initialisation and cleanup
1902		2779
		2780	# install some emergency cleanup handlers
		2781	BEGIN {
		2782	for my $signal (qw(INT HUP TERM)) {
		2783	Event->signal (
		2784	reentrant => 0,
		2785	data => WF_AUTOCANCEL,
		2786	signal => $signal,
		2787	prio => 0,
		2788	cb => sub {
		2789	cf::cleanup "SIG$signal";
		2790	},
		2791	);
		2792	}
		2793	}
		2794
		2795	sub write_runtime {
		2796	my $runtime = "$LOCALDIR/runtime";
		2797
		2798	# first touch the runtime file to show we are still running:
		2799	# the fsync below can take a very very long time.
		2800
		2801	IO::AIO::aio_utime $runtime, undef, undef;
		2802
		2803	my $guard = cf::lock_acquire "write_runtime";
		2804
		2805	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2806	or return;
		2807
		2808	my $value = $cf::RUNTIME + 90 + 10;
		2809	# 10 is the runtime save interval, for a monotonic clock
		2810	# 60 allows for the watchdog to kill the server.
		2811
		2812	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2813	and return;
		2814
		2815	# always fsync - this file is important
		2816	aio_fsync $fh
		2817	and return;
		2818
		2819	# touch it again to show we are up-to-date
		2820	aio_utime $fh, undef, undef;
		2821
		2822	close $fh
		2823	or return;
		2824
		2825	aio_rename "$runtime~", $runtime
		2826	and return;
		2827
		2828	warn "runtime file written.\n";
		2829
		2830	1
		2831	}
		2832
		2833	sub emergency_save() {
		2834	my $freeze_guard = cf::freeze_mainloop;
		2835
		2836	warn "enter emergency perl save\n";
		2837
		2838	cf::sync_job {
		2839	# use a peculiar iteration method to avoid tripping on perl
		2840	# refcount bugs in for. also avoids problems with players
		2841	# and maps saved/destroyed asynchronously.
		2842	warn "begin emergency player save\n";
		2843	for my $login (keys %cf::PLAYER) {
		2844	my $pl = $cf::PLAYER{$login} or next;
		2845	$pl->valid or next;
		2846	$pl->save;
		2847	}
		2848	warn "end emergency player save\n";
		2849
		2850	warn "begin emergency map save\n";
		2851	for my $path (keys %cf::MAP) {
		2852	my $map = $cf::MAP{$path} or next;
		2853	$map->valid or next;
		2854	$map->save;
		2855	}
		2856	warn "end emergency map save\n";
		2857
		2858	warn "begin emergency database checkpoint\n";
		2859	BDB::db_env_txn_checkpoint $DB_ENV;
		2860	warn "end emergency database checkpoint\n";
		2861	};
		2862
		2863	warn "leave emergency perl save\n";
		2864	}
		2865
		2866	sub post_cleanup {
		2867	my ($make_core) = @_;
		2868
		2869	warn Carp::longmess "post_cleanup backtrace"
		2870	if $make_core;
		2871	}
		2872
1903	sub reload() {	2873	sub do_reload_perl() {
1904	# can/must only be called in main	2874	# can/must only be called in main
1905	if ($Coro::current != $Coro::main) {	2875	if ($Coro::current != $Coro::main) {
1906	warn "can only reload from main coroutine\n";	2876	warn "can only reload from main coroutine";
1907	return;	2877	return;
1908	}	2878	}
1909		2879
1910	warn "reloading...";	2880	warn "reloading...";
1911		2881
1912	local $FREEZE = 1;	2882	warn "entering sync_job";
		2883
		2884	cf::sync_job {
		2885	cf::write_runtime; # external watchdog should not bark
1913	cf::emergency_save;	2886	cf::emergency_save;
		2887	cf::write_runtime; # external watchdog should not bark
1914		2888
1915	eval {	2889	warn "syncing database to disk";
		2890	BDB::db_env_txn_checkpoint $DB_ENV;
		2891
1916	# if anything goes wrong in here, we should simply crash as we already saved	2892	# if anything goes wrong in here, we should simply crash as we already saved
1917		2893
1918	# cancel all watchers	2894	warn "cancelling all WF_AUTOCANCEL watchers";
1919	for (Event::all_watchers) {	2895	for (Event::all_watchers) {
1920	$_->cancel if $_->data & WF_AUTOCANCEL;	2896	$_->cancel if $_->data & WF_AUTOCANCEL;
1921	}	2897	}
1922		2898
		2899	warn "flushing outstanding aio requests";
		2900	for (;;) {
		2901	BDB::flush;
		2902	IO::AIO::flush;
		2903	Coro::cede;
		2904	last unless IO::AIO::nreqs || BDB::nreqs;
		2905	warn "iterate...";
		2906	}
		2907
		2908	++$RELOAD;
		2909
1923	# cancel all extension coros	2910	warn "cancelling all extension coros";
1924	$_->cancel for values %EXT_CORO;	2911	$_->cancel for values %EXT_CORO;
1925	%EXT_CORO = ();	2912	%EXT_CORO = ();
1926		2913
1927	# unload all extensions	2914	warn "removing commands";
1928	for (@exts) {	2915	%COMMAND = ();
		2916
		2917	warn "removing ext/exti commands";
		2918	%EXTCMD = ();
		2919	%EXTICMD = ();
		2920
		2921	warn "unloading/nuking all extensions";
		2922	for my $pkg (@EXTS) {
1929	warn "unloading <$_>";	2923	warn "... unloading $pkg";
1930	unload_extension $_;	2924
		2925	if (my $cb = $pkg->can ("unload")) {
		2926	eval {
		2927	$cb->($pkg);
		2928	1
		2929	} or warn "$pkg unloaded, but with errors: $@";
1931	}	2930	}
1932		2931
		2932	warn "... nuking $pkg";
		2933	Symbol::delete_package $pkg;
		2934	}
		2935
1933	# unload all modules loaded from $LIBDIR	2936	warn "unloading all perl modules loaded from $LIBDIR";
1934	while (my ($k, $v) = each %INC) {	2937	while (my ($k, $v) = each %INC) {
1935	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1936		2939
1937	warn "removing <$k>";	2940	warn "... unloading $k";
1938	delete $INC{$k};	2941	delete $INC{$k};
1939		2942
1940	$k =~ s/\.pm$//;	2943	$k =~ s/\.pm$//;
1941	$k =~ s/\//::/g;	2944	$k =~ s/\//::/g;
1942		2945
…		…
1945	}	2948	}
1946		2949
1947	Symbol::delete_package $k;	2950	Symbol::delete_package $k;
1948	}	2951	}
1949		2952
1950	# sync database to disk
1951	cf::db_sync;
1952	IO::AIO::flush;
1953
1954	# get rid of safe::, as good as possible	2953	warn "getting rid of safe::, as good as possible";
1955	Symbol::delete_package "safe::$_"	2954	Symbol::delete_package "safe::$_"
1956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1957		2956
1958	# remove register_script_function callbacks
1959	# TODO
1960
1961	# unload cf.pm "a bit"	2957	warn "unloading cf.pm \"a bit\"";
1962	delete $INC{"cf.pm"};	2958	delete $INC{"cf.pm"};
		2959	delete $INC{"cf/pod.pm"};
1963		2960
1964	# don't, removes xs symbols, too,	2961	# don't, removes xs symbols, too,
1965	# and global variables created in xs	2962	# and global variables created in xs
1966	#Symbol::delete_package __PACKAGE__;	2963	#Symbol::delete_package __PACKAGE__;
1967		2964
1968	# reload cf.pm	2965	warn "unload completed, starting to reload now";
		2966
1969	warn "reloading cf.pm";	2967	warn "reloading cf.pm";
1970	require cf;	2968	require cf;
1971	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2969	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1972		2970
1973	# load config and database again	2971	warn "loading config and database again";
1974	cf::cfg_load;	2972	cf::cfg_load;
1975	cf::db_load;
1976		2973
1977	# load extensions
1978	warn "load extensions";	2974	warn "loading extensions";
1979	cf::load_extensions;	2975	cf::load_extensions;
1980		2976
1981	# reattach attachments to objects	2977	warn "reattaching attachments to objects/players";
1982	warn "reattach";	2978	_global_reattach; # objects, sockets
1983	_global_reattach;	2979	warn "reattaching attachments to maps";
1984	};	2980	reattach $_ for values %MAP;
		2981	warn "reattaching attachments to players";
		2982	reattach $_ for values %PLAYER;
1985		2983
1986	if ($@) {	2984	warn "leaving sync_job";
		2985
		2986	1
		2987	} or do {
1987	warn $@;	2988	warn $@;
1988	warn "error while reloading, exiting.";	2989	warn "error while reloading, exiting.";
1989	exit 1;	2990	exit 1;
1990	}	2991	};
1991		2992
1992	warn "reloaded successfully";	2993	warn "reloaded";
1993	};	2994	};
1994		2995
1995	#############################################################################	2996	our $RELOAD_WATCHER; # used only during reload
1996		2997
1997	unless ($LINK_MAP) {	2998	sub reload_perl() {
1998	$LINK_MAP = cf::map::new;	2999	# doing reload synchronously and two reloads happen back-to-back,
		3000	# coro crashes during coro_state_free->destroy here.
1999		3001
2000	$LINK_MAP->width (41);	3002	$RELOAD_WATCHER ||= Event->timer (
2001	$LINK_MAP->height (41);	3003	reentrant => 0,
2002	$LINK_MAP->alloc;
2003	$LINK_MAP->path ("{link}");
2004	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2005	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2006
2007	# dirty hack because... archetypes are not yet loaded
2008	Event->timer (
2009	after => 2,	3004	after => 0,
		3005	data => WF_AUTOCANCEL,
2010	cb => sub {	3006	cb => sub {
2011	$_[0]->w->cancel;	3007	do_reload_perl;
2012		3008	undef $RELOAD_WATCHER;
2013	# provide some exits "home"
2014	my $exit = cf::object::new "exit";
2015
2016	$exit->slaying ($EMERGENCY_POSITION->[0]);
2017	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2018	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2019
2020	$LINK_MAP->insert ($exit->clone, 19, 19);
2021	$LINK_MAP->insert ($exit->clone, 19, 20);
2022	$LINK_MAP->insert ($exit->clone, 19, 21);
2023	$LINK_MAP->insert ($exit->clone, 20, 19);
2024	$LINK_MAP->insert ($exit->clone, 20, 21);
2025	$LINK_MAP->insert ($exit->clone, 21, 19);
2026	$LINK_MAP->insert ($exit->clone, 21, 20);
2027	$LINK_MAP->insert ($exit->clone, 21, 21);
2028
2029	$exit->destroy;
2030	});	3009	},
2031		3010	);
2032	$LINK_MAP->{deny_save} = 1;
2033	$LINK_MAP->{deny_reset} = 1;
2034
2035	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2036	}	3011	}
2037
2038	register "<global>", __PACKAGE__;
2039		3012
2040	register_command "reload" => sub {	3013	register_command "reload" => sub {
2041	my ($who, $arg) = @_;	3014	my ($who, $arg) = @_;
2042		3015
2043	if ($who->flag (FLAG_WIZ)) {	3016	if ($who->flag (FLAG_WIZ)) {
2044	$who->message ("start of reload.");
2045	reload;
2046	$who->message ("end of reload.");	3017	$who->message ("reloading server.");
		3018	async { reload_perl };
2047	}	3019	}
2048	};	3020	};
2049		3021
2050	unshift @INC, $LIBDIR;	3022	unshift @INC, $LIBDIR;
2051		3023
		3024	my $bug_warning = 0;
		3025
		3026	our @WAIT_FOR_TICK;
		3027	our @WAIT_FOR_TICK_BEGIN;
		3028
		3029	sub wait_for_tick {
		3030	return unless $TICK_WATCHER->is_active;
		3031	return if $Coro::current == $Coro::main;
		3032
		3033	my $signal = new Coro::Signal;
		3034	push @WAIT_FOR_TICK, $signal;
		3035	$signal->wait;
		3036	}
		3037
		3038	sub wait_for_tick_begin {
		3039	return unless $TICK_WATCHER->is_active;
		3040	return if $Coro::current == $Coro::main;
		3041
		3042	my $signal = new Coro::Signal;
		3043	push @WAIT_FOR_TICK_BEGIN, $signal;
		3044	$signal->wait;
		3045	}
		3046
		3047	my $min = 1e6;#d#
		3048	my $avg = 10;
2052	$TICK_WATCHER = Event->timer (	3049	$TICK_WATCHER = Event->timer (
2053	reentrant => 0,	3050	reentrant => 0,
		3051	parked => 1,
2054	prio => 0,	3052	prio => 0,
2055	at => $NEXT_TICK || $TICK,	3053	at => $NEXT_TICK || $TICK,
2056	data => WF_AUTOCANCEL,	3054	data => WF_AUTOCANCEL,
2057	cb => sub {	3055	cb => sub {
2058	unless ($FREEZE) {	3056	if ($Coro::current != $Coro::main) {
		3057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3058	unless ++$bug_warning > 10;
		3059	return;
		3060	}
		3061
		3062	$NOW = $tick_start = Event::time;
		3063
2059	cf::server_tick; # one server iteration	3064	cf::server_tick; # one server iteration
2060	$RUNTIME += $TICK;	3065
		3066	0 && sync_job {#d#
		3067	for(1..10) {
		3068	my $t = Event::time;
		3069	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3070	or die;
		3071
		3072	$map->width (50);
		3073	$map->height (50);
		3074	$map->alloc;
		3075	$map->_load_objects ("/tmp/x.map", 1);
		3076	my $t = Event::time - $t;
		3077
		3078	#next unless $t < 0.0013;#d#
		3079	if ($t < $min) {
		3080	$min = $t;
		3081	}
		3082	$avg = $avg * 0.99 + $t * 0.01;
		3083	}
		3084	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3085	exit 0;
		3086	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2061	}	3087	};
2062		3088
		3089	$RUNTIME += $TICK;
2063	$NEXT_TICK += $TICK;	3090	$NEXT_TICK += $TICK;
2064		3091
		3092	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3093	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3094	Coro::async_pool {
		3095	write_runtime
		3096	or warn "ERROR: unable to write runtime file: $!";
		3097	};
		3098	}
		3099
		3100	# my $AFTER = Event::time;
		3101	# warn $AFTER - $NOW;#d#
		3102
		3103	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3104	$sig->send;
		3105	}
		3106	while (my $sig = shift @WAIT_FOR_TICK) {
		3107	$sig->send;
		3108	}
		3109
		3110	$NOW = Event::time;
		3111
2065	# if we are delayed by four ticks or more, skip them all	3112	# if we are delayed by four ticks or more, skip them all
2066	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3113	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2067		3114
2068	$TICK_WATCHER->at ($NEXT_TICK);	3115	$TICK_WATCHER->at ($NEXT_TICK);
2069	$TICK_WATCHER->start;	3116	$TICK_WATCHER->start;
		3117
		3118	$LOAD = ($NOW - $tick_start) / $TICK;
		3119	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3120
		3121	_post_tick;
		3122
		3123
2070	},	3124	},
2071	);	3125	);
2072		3126
		3127	{
2073	IO::AIO::max_poll_time $TICK * 0.2;	3128	BDB::max_poll_time $TICK * 0.1;
2074		3129	$BDB_POLL_WATCHER = Event->io (
2075	Event->io (	3130	reentrant => 0,
2076	fd => IO::AIO::poll_fileno,	3131	fd => BDB::poll_fileno,
2077	poll => 'r',	3132	poll => 'r',
2078	prio => 5,	3133	prio => 0,
2079	data => WF_AUTOCANCEL,
2080	cb => \&IO::AIO::poll_cb,
2081	);
2082
2083	Event->timer (
2084	data => WF_AUTOCANCEL,	3134	data => WF_AUTOCANCEL,
2085	after => 0,	3135	cb => \&BDB::poll_cb,
2086	interval => 10,	3136	);
2087	cb => sub {	3137	BDB::min_parallel 8;
2088	(Coro::unblock_sub {	3138
2089	write_runtime	3139	BDB::set_sync_prepare {
2090	or warn "ERROR: unable to write runtime file: $!";	3140	my $status;
		3141	my $current = $Coro::current;
		3142	(
		3143	sub {
		3144	$status = $!;
		3145	$current->ready; undef $current;
		3146	},
		3147	sub {
		3148	Coro::schedule while defined $current;
		3149	$! = $status;
		3150	},
		3151	)
		3152	};
		3153
		3154	unless ($DB_ENV) {
		3155	$DB_ENV = BDB::db_env_create;
		3156
		3157	cf::sync_job {
		3158	eval {
		3159	BDB::db_env_open
		3160	$DB_ENV,
		3161	$BDBDIR,
		3162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3164	0666;
		3165
		3166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3167
		3168	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3169	$DB_ENV->set_lk_detect;
		3170	};
		3171
		3172	cf::cleanup "db_env_open(db): $@" if $@;
2091	})->();	3173	};
2092	},	3174	}
2093	);	3175	}
		3176
		3177	{
		3178	IO::AIO::min_parallel 8;
		3179
		3180	undef $Coro::AIO::WATCHER;
		3181	IO::AIO::max_poll_time $TICK * 0.1;
		3182	$AIO_POLL_WATCHER = Event->io (
		3183	reentrant => 0,
		3184	data => WF_AUTOCANCEL,
		3185	fd => IO::AIO::poll_fileno,
		3186	poll => 'r',
		3187	prio => 6,
		3188	cb => \&IO::AIO::poll_cb,
		3189	);
		3190	}
		3191
		3192	my $_log_backtrace;
		3193
		3194	sub _log_backtrace {
		3195	my ($msg, @addr) = @_;
		3196
		3197	$msg =~ s/\n//;
		3198
		3199	# limit the # of concurrent backtraces
		3200	if ($_log_backtrace < 2) {
		3201	++$_log_backtrace;
		3202	async {
		3203	my @bt = fork_call {
		3204	@addr = map { sprintf "%x", $_ } @addr;
		3205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3207	or die "addr2line: $!";
		3208
		3209	my @funcs;
		3210	my @res = <$fh>;
		3211	chomp for @res;
		3212	while (@res) {
		3213	my ($func, $line) = splice @res, 0, 2, ();
		3214	push @funcs, "[$func] $line";
		3215	}
		3216
		3217	@funcs
		3218	};
		3219
		3220	LOG llevInfo, "[ABT] $msg\n";
		3221	LOG llevInfo, "[ABT] $_\n" for @bt;
		3222	--$_log_backtrace;
		3223	};
		3224	} else {
		3225	LOG llevInfo, "[ABT] $msg\n";
		3226	LOG llevInfo, "[ABT] [suppressed]\n";
		3227	}
		3228	}
		3229
		3230	# load additional modules
		3231	use cf::pod;
		3232
		3233	END { cf::emergency_save }
2094		3234
2095	1	3235	1
2096		3236

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