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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.137 by root, Fri Jan 5 10:23:05 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 $RANDOM_MAPS = cf::localdir . "/random";	92
55	our %EXT_CORO;	93	# used to convert map paths into valid unix filenames by replacing / by ∕
		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 $tick_start; # for load detecting purposes
56		99
57	binmode STDOUT;	100	binmode STDOUT;
58	binmode STDERR;	101	binmode STDERR;
59		102
60	# read virtual server time, if available	103	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	104	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	105	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	106	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	107	$RUNTIME = <$fh> + 0.;
65	}	108	}
66		109
67	mkdir cf::localdir;	110	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	111	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		112
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	113	our $EMERGENCY_POSITION;
		114
		115	sub cf::map::normalise;
76		116
77	#############################################################################	117	#############################################################################
78		118
79	=head2 GLOBAL VARIABLES	119	=head2 GLOBAL VARIABLES
80		120
…		…
87	=item $cf::RUNTIME	127	=item $cf::RUNTIME
88		128
89	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
90	every server tick.	130	every server tick.
91		131
92	=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
93		135
94	The perl library directory, where extensions and cf-specific modules can	136	Various directories - "/etc", read-only install directory, perl-library
95	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.
96		140
97	=item $cf::NOW	141	=item $cf::NOW
98		142
99	The time of the last (current) server tick.	143	The time of the last (current) server tick.
100		144
101	=item $cf::TICK	145	=item $cf::TICK
102		146
103	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.
104		158
105	=item %cf::CFG	159	=item %cf::CFG
106		160
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	161	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		169
110	=back	170	=back
111		171
112	=cut	172	=cut
113		173
114	BEGIN {	174	BEGIN {
115	*CORE::GLOBAL::warn = sub {	175	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	176	my $msg = join "", @_;
117	utf8::encode $msg;
118		177
119	$msg .= "\n"	178	$msg .= "\n"
120	unless $msg =~ /\n$/;	179	unless $msg =~ /\n$/;
121		180
		181	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		182
		183	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	184	LOG llevError, $msg;
123	};	185	};
124	}	186	}
125		187
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	188	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	189	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	190	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	191	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@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';
131	@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)
132		195
133	# 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
134	# within the Safe compartment.	197	# within the Safe compartment.
135	for my $pkg (qw(	198	for my $pkg (qw(
136	cf::global cf::attachable	199	cf::global cf::attachable
…		…
145		208
146	$Event::DIED = sub {	209	$Event::DIED = sub {
147	warn "error in event callback: @_";	210	warn "error in event callback: @_";
148	};	211	};
149		212
150	my %ext_pkg;	213	#############################################################################
151	my @exts;
152	my @hook;
153		214
154	=head2 UTILITY FUNCTIONS	215	=head2 UTILITY FUNCTIONS
155		216
156	=over 4	217	=over 4
157		218
158	=cut	219	=item dumpval $ref
159		220
160	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 ();
161		243
162	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
163		245
164	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
165		247
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
174		249
175	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
176		251
177	=cut	252	=cut
178		253
179	sub to_json($) {	254	our $json_coder = JSON::XS->new->convert_blessed->utf8;
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
181	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
182	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
183		258
184	=item cf::lock_wait $string	259	=item cf::lock_wait $string
185		260
186	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
187		262
…		…
193	returned.	268	returned.
194		269
195	Lock names should begin with a unique identifier (for example, cf::map::find	270	Lock names should begin with a unique identifier (for example, cf::map::find
196	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
197		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
198	=cut	277	=cut
199		278
200	our %LOCK;	279	our %LOCK;
201		280
202	sub lock_wait($) {	281	sub lock_wait($) {
…		…
221	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
223	}	302	}
224	}	303	}
225		304
226	=item cf::async { BLOCK }	305	sub lock_active($) {
227
228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
229	error instead of exiting the server in case of a problem.
230
231	=cut
232
233	sub async(&) {
234	my ($cb) = @_;	306	my ($key) = @_;
235		307
236	Coro::async {	308	! ! $LOCK{$key}
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}	309	}
241		310
242	sub freeze_mainloop {	311	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
244		313
245	my $guard = Coro::guard { $TICK_WATCHER->start };	314	my $guard = Coro::guard {
		315	$TICK_WATCHER->start;
		316	};
246	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
247	$guard	318	$guard
248	}	319	}
249		320
		321	=item cf::async { BLOCK }
		322
		323	Currently the same as Coro::async_pool, meaning you cannot use
		324	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		325	thing you are allowed to do is call C<prio> on it.
		326
		327	=cut
		328
		329	BEGIN { *async = \&Coro::async_pool }
		330
250	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
251		332
252	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
253	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
255		337
256	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
257	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
258	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
259	fast or be very important.	341	fast or be very important.
…		…
262		344
263	sub sync_job(&) {	345	sub sync_job(&) {
264	my ($job) = @_;	346	my ($job) = @_;
265		347
266	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
267	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
269		353
270	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	355	# (but this is cancel-safe)
272	my $freeze_guard = freeze_mainloop;	356	my $freeze_guard = freeze_mainloop;
273		357
274	my $busy = 1;	358	my $busy = 1;
275	my @res;	359	my @res;
276		360
277	(Coro::async {	361	(async {
278	@res = eval { $job->() };	362	@res = eval { $job->() };
279	warn $@ if $@;	363	warn $@ if $@;
280	undef $busy;	364	undef $busy;
281	})->prio (Coro::PRIO_MAX);	365	})->prio (Coro::PRIO_MAX);
282		366
283	while ($busy) {	367	while ($busy) {
284	Coro::cede_notself;	368	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	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
287		377
288	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
289	} else {	379	} else {
290	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
291		381
292	$job->()	382	$job->()
293	}	383	}
294	}	384	}
295		385
296	=item $coro = cf::coro { BLOCK }	386	=item $coro = cf::async_ext { BLOCK }
297		387
298	Creates and returns a new coro. This coro is automcatially being canceled	388	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	389	extension calling this is being unloaded.
300		390
301	=cut	391	=cut
302		392
303	sub coro(&) {	393	sub async_ext(&) {
304	my $cb = shift;	394	my $cb = shift;
305		395
306	my $coro = &cf::async ($cb);	396	my $coro = &Coro::async ($cb);
307		397
308	$coro->on_destroy (sub {	398	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	399	delete $EXT_CORO{$coro+0};
310	});	400	});
311	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
312		402
313	$coro	403	$coro
314	}	404	}
315		405
316	sub write_runtime {	406	=item fork_call { }, $args
317	my $runtime = cf::localdir . "/runtime";
318		407
319	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
320	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.
321		412
322	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	413	=cut
323	(aio_write $fh, 0, (length $value), $value, 0) <= 0
324	and return;
325		414
326	aio_fsync $fh	415	sub fork_call(&@) {
327	and return;	416	my ($cb, @args) = @_;
328		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) {
329	close $fh	424	close $fh2;
330	or return;
331		425
332	aio_rename "$runtime~", $runtime	426	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
333	and return;	427	$res = Coro::Storable::thaw $res;
334		428
		429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		430
		431	die $$res unless "ARRAY" eq ref $res;
		432
		433	return wantarray ? @$res : $res->[-1];
		434	} else {
		435	reset_signals;
		436	local $SIG{__WARN__};
		437	local $SIG{__DIE__};
		438	eval {
		439	close $fh1;
		440
		441	my @res = eval { $cb->(@args) };
		442	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		443	};
		444
		445	warn $@ if $@;
		446	_exit 0;
335	1	447	}
		448	}
		449
		450	=item $value = cf::db_get $family => $key
		451
		452	Returns a single value from the environment database.
		453
		454	=item cf::db_put $family => $key => $value
		455
		456	Stores the given C<$value> in the family. It can currently store binary
		457	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		458
		459	=cut
		460
		461	our $DB;
		462
		463	sub db_init {
		464	unless ($DB) {
		465	$DB = BDB::db_create $DB_ENV;
		466
		467	cf::sync_job {
		468	eval {
		469	$DB->set_flags (BDB::CHKSUM);
		470
		471	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		472	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		473	cf::cleanup "db_open(db): $!" if $!;
		474	};
		475	cf::cleanup "db_open(db): $@" if $@;
		476	};
		477	}
		478	}
		479
		480	sub db_get($$) {
		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 });
336	}	575	}
337		576
338	=back	577	=back
339		578
340	=cut	579	=cut
341
342	#############################################################################
343
344	package cf::path;
345
346	sub new {
347	my ($class, $path, $base) = @_;
348
349	$path = $path->as_string if ref $path;
350
351	my $self = bless { }, $class;
352
353	# {... are special paths that are not touched
354	# ?xxx/... are special absolute paths
355	# ?random/... random maps
356	# /! non-realised random map exit
357	# /... normal maps
358	# ~/... per-player maps without a specific player (DO NOT USE)
359	# ~user/... per-player map of a specific user
360
361	if ($path =~ /^{/) {
362	# fine as it is
363	} elsif ($path =~ s{^\?random/}{}) {
364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365	$self->{random} = cf::from_json $data;
366	} else {
367	if ($path =~ s{^~([^/]+)?}{}) {
368	$self->{user_rel} = 1;
369
370	if (defined $1) {
371	$self->{user} = $1;
372	} elsif ($base =~ m{^~([^/]+)/}) {
373	$self->{user} = $1;
374	} else {
375	warn "cannot resolve user-relative path without user <$path,$base>\n";
376	}
377	} elsif ($path =~ /^\//) {
378	# already absolute
379	} else {
380	$base =~ s{[^/]+/?$}{};
381	return $class->new ("$base/$path");
382	}
383
384	for ($path) {
385	redo if s{/\.?/}{/};
386	redo if s{/[^/]+/\.\./}{/};
387	}
388	}
389
390	$self->{path} = $path;
391
392	$self
393	}
394
395	# the name / primary key / in-game path
396	sub as_string {
397	my ($self) = @_;
398
399	$self->{user_rel} ? "~$self->{user}$self->{path}"
400	: $self->{random} ? "?random/$self->{path}"
401	: $self->{path}
402	}
403
404	# the displayed name, this is a one way mapping
405	sub visible_name {
406	my ($self) = @_;
407
408	# if (my $rmp = $self->{random}) {
409	# # todo: be more intelligent about this
410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411	# } else {
412	$self->as_string
413	# }
414	}
415
416	# escape the /'s in the path
417	sub _escaped_path {
418	# ∕ is U+2215
419	(my $path = $_[0]{path}) =~ s/\//∕/g;
420	$path
421	}
422
423	# the original (read-only) location
424	sub load_path {
425	my ($self) = @_;
426
427	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428	}
429
430	# the temporary/swap location
431	sub save_path {
432	my ($self) = @_;
433
434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437	}
438
439	# the unique path, might be eq to save_path
440	sub uniq_path {
441	my ($self) = @_;
442
443	$self->{user_rel} || $self->{random}
444	? undef
445	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446	}
447
448	# return random map parameters, or undef
449	sub random_map_params {
450	my ($self) = @_;
451
452	$self->{random}
453	}
454
455	# this is somewhat ugly, but style maps do need special treatment
456	sub is_style_map {
457	$_[0]{path} =~ m{^/styles/}
458	}
459
460	package cf;
461		580
462	#############################################################################	581	#############################################################################
463		582
464	=head2 ATTACHABLE OBJECTS	583	=head2 ATTACHABLE OBJECTS
465		584
…		…
467	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")
468	to it. All such attachable objects support the following methods.	587	to it. All such attachable objects support the following methods.
469		588
470	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>
471	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
472	crossfire+).	591	Crossfire TRT).
473		592
474	=over 4	593	=over 4
475		594
476	=item $attachable->attach ($attachment, key => $value...)	595	=item $attachable->attach ($attachment, key => $value...)
477		596
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	710	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	711	our @CB_MAP = ();
593		712
594	my %attachment;	713	my %attachment;
595		714
		715	sub cf::attachable::thawer_merge {
		716	# simply override everything except _meta
		717	local $_[0]{_meta};
		718	%{$_[0]} = %{$_[1]};
		719	}
		720
596	sub _attach_cb($$$$) {	721	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	722	my ($registry, $event, $prio, $cb) = @_;
598		723
599	use sort 'stable';	724	use sort 'stable';
600		725
…		…
634	$registry = $CB_TYPE[$object_type] ||= [];	759	$registry = $CB_TYPE[$object_type] ||= [];
635		760
636	} elsif ($type eq "subtype") {	761	} elsif ($type eq "subtype") {
637	defined $object_type or Carp::croak "subtype specified without type";	762	defined $object_type or Carp::croak "subtype specified without type";
638	my $object_subtype = shift @arg;	763	my $object_subtype = shift @arg;
639	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	764	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
640		765
641	} elsif ($type eq "package") {	766	} elsif ($type eq "package") {
642	my $pkg = shift @arg;	767	my $pkg = shift @arg;
643		768
644	while (my ($name, $id) = each %cb_id) {	769	while (my ($name, $id) = each %cb_id) {
…		…
673	_attach $registry, $klass, @attach;	798	_attach $registry, $klass, @attach;
674	}	799	}
675		800
676	$obj->{$name} = \%arg;	801	$obj->{$name} = \%arg;
677	} else {	802	} else {
678	warn "object uses attachment '$name' that is not available, postponing.\n";	803	warn "object uses attachment '$name' which is not available, postponing.\n";
679	}	804	}
680		805
681	$obj->{_attachment}{$name} = undef;	806	$obj->{_attachment}{$name} = undef;
682	}	807	}
683		808
…		…
685	if (ref $_[0]) {	810	if (ref $_[0]) {
686	_object_attach @_;	811	_object_attach @_;
687	} else {	812	} else {
688	_attach shift->_attach_registry, @_;	813	_attach shift->_attach_registry, @_;
689	}	814	}
		815	_recalc_want;
690	};	816	};
691		817
692	# all those should be optimised	818	# all those should be optimised
693	sub cf::attachable::detach {	819	sub cf::attachable::detach {
694	my ($obj, $name) = @_;	820	my ($obj, $name) = @_;
…		…
697	delete $obj->{_attachment}{$name};	823	delete $obj->{_attachment}{$name};
698	reattach ($obj);	824	reattach ($obj);
699	} else {	825	} else {
700	Carp::croak "cannot, currently, detach class attachments";	826	Carp::croak "cannot, currently, detach class attachments";
701	}	827	}
		828	_recalc_want;
702	};	829	};
703		830
704	sub cf::attachable::attached {	831	sub cf::attachable::attached {
705	my ($obj, $name) = @_;	832	my ($obj, $name) = @_;
706		833
…		…
771	# object support	898	# object support
772		899
773	sub reattach {	900	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	901	# basically do the same as instantiate, without calling instantiate
775	my ($obj) = @_;	902	my ($obj) = @_;
		903
		904	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776		905
777	my $registry = $obj->registry;	906	my $registry = $obj->registry;
778		907
779	@$registry = ();	908	@$registry = ();
780		909
…		…
827	$filename, length $$rdata, scalar @$objs;	956	$filename, length $$rdata, scalar @$objs;
828		957
829	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	958	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	959	chmod SAVE_MODE, $fh;
831	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	960	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
832	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
833	close $fh;	962	close $fh;
834		963
835	if (@$objs) {	964	if (@$objs) {
836	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) {
837	chmod SAVE_MODE, $fh;	966	chmod SAVE_MODE, $fh;
838	my $data = Storable::nfreeze { version => 1, objs => $objs };	967	my $data = Storable::nfreeze { version => 1, objs => $objs };
839	aio_write $fh, 0, (length $data), $data, 0;	968	aio_write $fh, 0, (length $data), $data, 0;
840	aio_fsync $fh;	969	aio_fsync $fh if $cf::USE_FSYNC;
841	close $fh;	970	close $fh;
842	aio_rename "$filename.pst~", "$filename.pst";	971	aio_rename "$filename.pst~", "$filename.pst";
843	}	972	}
844	} else {	973	} else {
845	aio_unlink "$filename.pst";	974	aio_unlink "$filename.pst";
…		…
877	or return;	1006	or return;
878	$av = eval { (Storable::thaw $av)->{objs} };	1007	$av = eval { (Storable::thaw $av)->{objs} };
879	}	1008	}
880		1009
881	warn sprintf "loading %s (%d)\n",	1010	warn sprintf "loading %s (%d)\n",
882	$filename, length $data, scalar @{$av || []};#d#	1011	$filename, length $data, scalar @{$av || []};
883	return ($data, $av);	1012	return ($data, $av);
884	}	1013	}
		1014
		1015	=head2 COMMAND CALLBACKS
		1016
		1017	=over 4
		1018
		1019	=cut
885		1020
886	#############################################################################	1021	#############################################################################
887	# command handling &c	1022	# command handling &c
888		1023
889	=item cf::register_command $name => \&callback($ob,$args);	1024	=item cf::register_command $name => \&callback($ob,$args);
…		…
902	push @{ $COMMAND{$name} }, [$caller, $cb];	1037	push @{ $COMMAND{$name} }, [$caller, $cb];
903	}	1038	}
904		1039
905	=item cf::register_extcmd $name => \&callback($pl,$packet);	1040	=item cf::register_extcmd $name => \&callback($pl,$packet);
906		1041
907	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.
908		1047
909	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
910	called.	1049	called.
911		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
912	=cut	1062	=cut
913		1063
914	sub register_extcmd {	1064	sub register_extcmd {
915	my ($name, $cb) = @_;	1065	my ($name, $cb) = @_;
916		1066
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	1067	$EXTCMD{$name} = $cb;
		1068	}
		1069
		1070	sub register_exticmd {
		1071	my ($name, $cb) = @_;
		1072
		1073	$EXTICMD{$name} = $cb;
921	}	1074	}
922		1075
923	cf::player->attach (	1076	cf::player->attach (
924	on_command => sub {	1077	on_command => sub {
925	my ($pl, $name, $params) = @_;	1078	my ($pl, $name, $params) = @_;
…		…
938		1091
939	my $msg = eval { from_json $buf };	1092	my $msg = eval { from_json $buf };
940		1093
941	if (ref $msg) {	1094	if (ref $msg) {
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1095	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	1096	if (my %reply = $cb->($pl, $msg)) {
944	$pl->ext_reply ($msg->{msgid}, %reply);	1097	$pl->ext_reply ($msg->{msgid}, %reply);
945	}	1098	}
946	}	1099	}
947	} else {	1100	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1101	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
950		1103
951	cf::override;	1104	cf::override;
952	},	1105	},
953	);	1106	);
954		1107
955	sub register {
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	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($) {
962	my ($path) = @_;	1454	my ($path) = @_;
963		1455
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1456	my ($match, $specificity);
965	my $base = $1;
966	my $pkg = $1;
967	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";
969		1457
970	warn "loading '$path' into '$pkg'\n";	1458	for my $region (list) {
971		1459	if ($region->match && $path =~ $region->match) {
972	open my $fh, "<:utf8", $path	1460	($match, $specificity) = ($region, $region->specificity)
973	or die "$path: $!";	1461	if $region->specificity > $specificity;
974		1462	}
975	my $source =
976	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"
978	. (do { local $/; <$fh> })
979	. "\n};\n1";
980
981	eval $source
982	or die $@ ? "$path: $@\n"
983	: "extension disabled.\n";
984
985	push @exts, $pkg;
986	$ext_pkg{$base} = $pkg;
987
988	# no strict 'refs';
989	# @{"$pkg\::ISA"} = ext::;
990
991	register $base, $pkg;
992	}
993
994	sub unload_extension {
995	my ($pkg) = @_;
996
997	warn "removing extension $pkg\n";
998
999	# remove hooks
1000	#TODO
1001	# for my $idx (0 .. $#PLUGIN_EVENT) {
1002	# delete $hook[$idx]{$pkg};
1003	# }	1463	}
1004		1464
1005	# remove commands	1465	$match
1006	for my $name (keys %COMMAND) {
1007	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009	if (@cb) {
1010	$COMMAND{$name} = \@cb;
1011	} else {
1012	delete $COMMAND{$name};
1013	}
1014	}
1015
1016	# remove extcmds
1017	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018	delete $EXTCMD{$name};
1019	}
1020
1021	if (my $cb = $pkg->can ("unload")) {
1022	eval {
1023	$cb->($pkg);
1024	1
1025	} or warn "$pkg unloaded, but with errors: $@";
1026	}
1027
1028	Symbol::delete_package $pkg;
1029	}
1030
1031	sub load_extensions {
1032	for my $ext (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;
1034	eval {
1035	load_extension $ext;
1036	1
1037	} or warn "$ext not loaded: $@";
1038	}
1039	}
1040
1041	#############################################################################
1042	# load/save/clean perl data associated with a map
1043
1044	*cf::mapsupport::on_clean = sub {
1045	my ($map) = @_;
1046
1047	my $path = $map->tmpname;
1048	defined $path or return;
1049
1050	unlink "$path.pst";
1051	};
1052
1053	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055	#############################################################################
1056	# load/save perl data associated with player->ob objects
1057
1058	sub all_objects(@) {
1059	@_, map all_objects ($_->inv), @_
1060	}
1061
1062	# TODO: compatibility cruft, remove when no longer needed
1063	cf::player->attach (
1064	on_load => sub {
1065	my ($pl, $path) = @_;
1066
1067	for my $o (all_objects $pl->ob) {
1068	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1069	$o->set_ob_key_value ("_perl_data");
1070
1071	%$o = %{ Storable::thaw pack "H*", $value };
1072	}
1073	}
1074	},
1075	);
1076
1077	#############################################################################
1078
1079	=head2 CORE EXTENSIONS
1080
1081	Functions and methods that extend core crossfire objects.
1082
1083	=head3 cf::player
1084
1085	=over 4
1086
1087	=item cf::player::exists $login
1088
1089	Returns true when the given account exists.
1090
1091	=cut
1092
1093	sub cf::player::exists($) {
1094	cf::player::find $_[0]
1095	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1096	}
1097
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)
1099
1100	Sends an ext reply to the player.
1101
1102	=cut
1103
1104	sub cf::player::ext_reply($$$%) {
1105	my ($self, $id, %msg) = @_;
1106
1107	$msg{msgid} = $id;
1108
1109	$self->send ("ext " . to_json \%msg);
1110	}	1466	}
1111		1467
1112	=back	1468	=back
1113
1114		1469
1115	=head3 cf::map	1470	=head3 cf::map
1116		1471
1117	=over 4	1472	=over 4
1118		1473
…		…
1121	package cf::map;	1476	package cf::map;
1122		1477
1123	use Fcntl;	1478	use Fcntl;
1124	use Coro::AIO;	1479	use Coro::AIO;
1125		1480
		1481	use overload
		1482	'""' => \&as_string,
		1483	fallback => 1;
		1484
1126	our $MAX_RESET = 3600;	1485	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1486	our $DEFAULT_RESET = 3000;
1128		1487
1129	sub generate_random_map {	1488	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1489	my ($self, $rmp) = @_;
1131
1132	# mit "rum" bekleckern, nicht	1490	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1491	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1492	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1493	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1494	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1495	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1496	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1497	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1498	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1499	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$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},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1501	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(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"
1146	}	1631	}
1147		1632
1148	# and all this just because we cannot iterate over	1633	# and all this just because we cannot iterate over
1149	# all maps in C++...	1634	# all maps in C++...
1150	sub change_all_map_light {	1635	sub change_all_map_light {
…		…
1152		1637
1153	$_->change_map_light ($change)	1638	$_->change_map_light ($change)
1154	for grep $_->outdoor, values %cf::MAP;	1639	for grep $_->outdoor, values %cf::MAP;
1155	}	1640	}
1156		1641
		1642	sub decay_objects {
		1643	my ($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
1157	sub try_load_header($) {	1658	sub load_header_from($) {
1158	my ($path) = @_;	1659	my ($self, $path) = @_;
1159		1660
1160	utf8::encode $path;	1661	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1662	#aio_open $path, O_RDONLY, 0
		1663	# or return;
		1664
		1665	$self->_load_header ($path)
1162	or return;	1666	or return;
1163		1667
1164	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
1165	or return;	1711	or return;
		1712	$self->prepare_orig;
		1713	}
1166		1714
1167	# for better error messages only, will be overwritten	1715	$self->{deny_reset} = 1
1168	$map->path ($path);	1716	if $self->no_reset;
1169		1717
1170	$map->load_header ($path)	1718	$self->default_region (cf::region::find_by_path $self->{path})
1171	or return;	1719	unless $self->default_region;
1172		1720
1173	$map->{load_path} = $path;	1721	1
1174
1175	$map
1176	}	1722	}
1177		1723
1178	sub find;	1724	sub find;
1179	sub find {	1725	sub find {
1180	my ($path, $origin) = @_;	1726	my ($path, $origin) = @_;
1181		1727
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1728	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1729
1187	cf::lock_wait "map_find:$key";	1730	cf::lock_wait "map_find:$path";
1188		1731
1189	$cf::MAP{$key} || do {	1732	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1733	my $guard = cf::lock_acquire "map_find:$path";
1191		1734	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	Coro::cede;
1196
1197	if ($map) {
1198	$map->last_access ((delete $map->{last_access})
1199	|| $cf::RUNTIME); #d#
1200	# safety
1201	$map->{instantiate_time} = $cf::RUNTIME
1202	if $map->{instantiate_time} > $cf::RUNTIME;
1203	} else {
1204	if (my $rmp = $path->random_map_params) {
1205	$map = generate_random_map $key, $rmp;
1206	} else {
1207	$map = try_load_header $path->load_path;
1208	}
1209
1210	$map or return;	1735	or return;
1211		1736
1212	$map->{load_original} = 1;
1213	$map->{instantiate_time} = $cf::RUNTIME;
1214	$map->last_access ($cf::RUNTIME);
1215	$map->instantiate;
1216
1217	# per-player maps become, after loading, normal maps
1218	$map->per_player (0) if $path->{user_rel};
1219	}
1220
1221	$map->path ($key);
1222	$map->{path} = $path;
1223	$map->{last_save} = $cf::RUNTIME;	1737	$map->{last_save} = $cf::RUNTIME;
1224		1738
1225	Coro::cede;	1739	$map->load_header
		1740	or return;
1226		1741
1227	if ($map->should_reset) {	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;
1228	$map->reset;	1745	$map->reset;
1229	undef $guard;	1746	undef $guard;
1230	$map = find $path	1747	return find $path;
1231	or return;
1232	}	1748	}
1233		1749
1234	$cf::MAP{$key} = $map	1750	$cf::MAP{$path} = $map
1235	}	1751	}
1236	}	1752	}
		1753
		1754	sub pre_load { }
		1755	sub post_load { }
1237		1756
1238	sub load {	1757	sub load {
1239	my ($self) = @_;	1758	my ($self) = @_;
1240		1759
		1760	local $self->{deny_reset} = 1; # loading can take a long time
		1761
1241	my $path = $self->{path};	1762	my $path = $self->{path};
		1763
		1764	{
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1765	my $guard = cf::lock_acquire "map_load:$path";
1243		1766
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1767	return if $self->in_memory != cf::MAP_SWAPPED;
1245		1768
1246	$self->in_memory (cf::MAP_LOADING);	1769	$self->in_memory (cf::MAP_LOADING);
1247		1770
1248	$self->alloc;	1771	$self->alloc;
		1772
		1773	$self->pre_load;
		1774	Coro::cede;
		1775
1249	$self->load_objects ($self->{load_path}, 1)	1776	$self->_load_objects ($self->{load_path}, 1)
1250	or return;	1777	or return;
1251		1778
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1779	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1780	if delete $self->{load_original};
1254		1781
1255	if (my $uniq = $path->uniq_path) {	1782	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1783	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1784	if (aio_open $uniq, O_RDONLY, 0) {
1258	$self->clear_unique_items;	1785	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1786	$self->_load_objects ($uniq, 0);
1260	}	1787	}
1261	}	1788	}
1262		1789
1263	Coro::cede;	1790	Coro::cede;
1264
1265	# now do the right thing for maps	1791	# now do the right thing for maps
1266	$self->link_multipart_objects;	1792	$self->link_multipart_objects;
1267
1268	if ($self->{path}->is_style_map) {
1269	$self->{deny_save} = 1;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;
1275	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	1793	$self->difficulty ($self->estimate_difficulty)
1277	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;
1278	$self->activate;	1804	$self->activate;
1279	}	1805	}
1280		1806
1281	Coro::cede;
1282
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1807	$self->in_memory (cf::MAP_IN_MEMORY);
		1808	}
		1809
		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	$neigh->load;
		1846	}
1284	}	1847	}
1285		1848
1286	sub find_sync {	1849	sub find_sync {
1287	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1288		1851
1289	cf::sync_job { cf::map::find $path, $origin }	1852	cf::sync_job { find $path, $origin }
1290	}	1853	}
1291		1854
1292	sub do_load_sync {	1855	sub do_load_sync {
1293	my ($map) = @_;	1856	my ($map) = @_;
1294		1857
1295	cf::sync_job { $map->load };	1858	cf::sync_job { $map->load };
1296	}	1859	}
1297		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;
		1879	$map->load;
		1880
		1881	delete $MAP_PREFETCH{$path};
		1882	}
		1883	}
		1884	undef $MAP_PREFETCHER;
		1885	};
		1886	$MAP_PREFETCHER->prio (6);
		1887
		1888	()
		1889	}
		1890
1298	sub save {	1891	sub save {
1299	my ($self) = @_;	1892	my ($self) = @_;
1300		1893
1301	my $lock = cf::lock_acquire "map_data:" . $self->path;	1894	my $lock = cf::lock_acquire "map_data:" . $self->path;
1302		1895
1303	$self->{last_save} = $cf::RUNTIME;	1896	$self->{last_save} = $cf::RUNTIME;
1304		1897
1305	return unless $self->dirty;	1898	return unless $self->dirty;
1306		1899
1307	my $save = $self->{path}->save_path; utf8::encode $save;	1900	my $save = $self->save_path; utf8::encode $save;
1308	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1901	my $uniq = $self->uniq_path; utf8::encode $uniq;
1309		1902
1310	$self->{load_path} = $save;	1903	$self->{load_path} = $save;
1311		1904
1312	return if $self->{deny_save};	1905	return if $self->{deny_save};
1313		1906
1314	local $self->{last_access} = $self->last_access;#d#	1907	local $self->{last_access} = $self->last_access;#d#
1315		1908
		1909	cf::async {
		1910	$_->contr->save for $self->players;
		1911	};
		1912
1316	if ($uniq) {	1913	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1914	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1915	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1916	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1917	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1918	}
1322	}	1919	}
1323		1920
1324	sub swap_out {	1921	sub swap_out {
1325	my ($self) = @_;	1922	my ($self) = @_;
…		…
1339		1936
1340	sub reset_at {	1937	sub reset_at {
1341	my ($self) = @_;	1938	my ($self) = @_;
1342		1939
1343	# TODO: safety, remove and allow resettable per-player maps	1940	# TODO: safety, remove and allow resettable per-player maps
1344	return 1e99 if $self->{path}{user_rel};
1345	return 1e99 if $self->{deny_reset};	1941	return 1e99 if $self->{deny_reset};
1346		1942
1347	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1943	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1348	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1944	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1349		1945
…		…
1354	my ($self) = @_;	1950	my ($self) = @_;
1355		1951
1356	$self->reset_at <= $cf::RUNTIME	1952	$self->reset_at <= $cf::RUNTIME
1357	}	1953	}
1358		1954
1359	sub unlink_save {
1360	my ($self) = @_;
1361
1362	utf8::encode (my $save = $self->{path}->save_path);
1363	aioreq_pri 3; IO::AIO::aio_unlink $save;
1364	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1365	}
1366
1367	sub rename {
1368	my ($self, $new_path) = @_;
1369
1370	$self->unlink_save;
1371
1372	delete $cf::MAP{$self->path};
1373	$self->{path} = new cf::path $new_path;
1374	$self->path ($self->{path}->as_string);
1375	$cf::MAP{$self->path} = $self;
1376
1377	$self->save;
1378	}
1379
1380	sub reset {	1955	sub reset {
1381	my ($self) = @_;	1956	my ($self) = @_;
1382		1957
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	1958	my $lock = cf::lock_acquire "map_data:$self->{path}";
1384		1959
1385	return if $self->players;	1960	return if $self->players;
1386	return if $self->{path}{user_rel};#d#
1387		1961
1388	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	}
1389		1973
1390	delete $cf::MAP{$self->path};	1974	delete $cf::MAP{$self->path};
		1975
		1976	$self->clear;
1391		1977
1392	$_->clear_links_to ($self) for values %cf::MAP;	1978	$_->clear_links_to ($self) for values %cf::MAP;
1393		1979
1394	$self->unlink_save;	1980	$self->unlink_save;
1395	$self->destroy;	1981	$self->destroy;
…		…
1398	my $nuke_counter = "aaaa";	1984	my $nuke_counter = "aaaa";
1399		1985
1400	sub nuke {	1986	sub nuke {
1401	my ($self) = @_;	1987	my ($self) = @_;
1402		1988
		1989	delete $cf::MAP{$self->path};
		1990
		1991	$self->unlink_save;
		1992
		1993	bless $self, "cf::map";
		1994	delete $self->{deny_reset};
1403	$self->{deny_save} = 1;	1995	$self->{deny_save} = 1;
1404	$self->reset_timeout (1);	1996	$self->reset_timeout (1);
1405	$self->rename ("{nuke}/" . ($nuke_counter++));	1997	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1998
		1999	$cf::MAP{$self->path} = $self;
		2000
1406	$self->reset; # polite request, might not happen	2001	$self->reset; # polite request, might not happen
1407	}	2002	}
1408		2003
1409	sub customise_for {	2004	=item $maps = cf::map::tmp_maps
1410	my ($map, $ob) = @_;
1411		2005
1412	if ($map->per_player) {	2006	Returns an arrayref with all map paths of currently instantiated and saved
1413	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2007	maps. May block.
		2008
		2009	=cut
		2010
		2011	sub tmp_maps() {
1414	}	2012	[
1415		2013	map {
1416	$map	2014	utf8::decode $_;
		2015	/\.map$/
		2016	? normalise $_
		2017	: ()
		2018	} @{ aio_readdir $TMPDIR or [] }
		2019	]
1417	}	2020	}
1418		2021
1419	sub emergency_save {	2022	=item $maps = cf::map::random_maps
1420	my $freeze_guard = cf::freeze_mainloop;
1421		2023
1422	warn "enter emergency map save\n";	2024	Returns an arrayref with all map paths of currently instantiated and saved
		2025	random maps. May block.
1423		2026
1424	cf::sync_job {	2027	=cut
1425	warn "begin emergency map save\n";
1426	$_->save for values %cf::MAP;
1427	};
1428		2028
1429	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	]
1430	}	2056	}
1431		2057
1432	package cf;	2058	package cf;
1433		2059
1434	=back	2060	=back
1435		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
1436		2088
1437	=head3 cf::object::player	2089	=head3 cf::object::player
1438		2090
1439	=over 4	2091	=over 4
1440		2092
…		…
1454		2106
1455	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2107	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1456		2108
1457	if ($self->{record_replies}) {	2109	if ($self->{record_replies}) {
1458	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2110	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2111
1459	} 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 {
1460	$msg = $npc->name . " says: $msg" if $npc;	2125	$msg = $npc->name . " says: $msg" if $npc;
1461	$self->message ($msg, $flags);	2126	$self->message ($msg, $flags);
		2127	}
1462	}	2128	}
1463	}	2129	}
1464		2130
1465	=item $player_object->may ("access")	2131	=item $player_object->may ("access")
1466		2132
…		…
1480		2146
1481	=item $player_object->enter_link	2147	=item $player_object->enter_link
1482		2148
1483	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}>).
1484		2150
1485	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
1486	I<MUST> call C<leave_link> as soon as possible, though.	2152	I<MUST> call C<leave_link> as soon as possible, though.
1487		2153
		2154	Will never block.
		2155
1488	=item $player_object->leave_link ($map, $x, $y)	2156	=item $player_object->leave_link ($map, $x, $y)
1489		2157
1490	Moves the player out of the specila link map onto the given map. If the	2158	Moves the player out of the special C<{link}> map onto the specified
1491	map is not valid (or omitted), the player will be moved back to the	2159	map. If the map is not valid (or omitted), the player will be moved back
1492	location he/she was before the call to C<enter_link>, or, if that fails,	2160	to the location he/she was before the call to C<enter_link>, or, if that
1493	to the emergency map position.	2161	fails, to the emergency map position.
1494		2162
1495	Might block.	2163	Might block.
1496		2164
1497	=cut	2165	=cut
		2166
		2167	sub link_map {
		2168	unless ($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	$LINK_MAP
		2175	}
1498		2176
1499	sub cf::object::player::enter_link {	2177	sub cf::object::player::enter_link {
1500	my ($self) = @_;	2178	my ($self) = @_;
1501		2179
1502	$self->deactivate_recursive;	2180	$self->deactivate_recursive;
1503		2181
1504	return if $self->map == $LINK_MAP;	2182	return if UNIVERSAL::isa $self->map, "ext::map_link";
1505		2183
1506	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2184	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1507	if $self->map;	2185	if $self->map && $self->map->{path} ne "{link}";
1508		2186
1509	$self->enter_map ($LINK_MAP, 20, 20);	2187	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1510	}	2188	}
1511		2189
1512	sub cf::object::player::leave_link {	2190	sub cf::object::player::leave_link {
1513	my ($self, $map, $x, $y) = @_;	2191	my ($self, $map, $x, $y) = @_;
		2192
		2193	return unless $self->contr->active;
1514		2194
1515	my $link_pos = delete $self->{_link_pos};	2195	my $link_pos = delete $self->{_link_pos};
1516		2196
1517	unless ($map) {	2197	unless ($map) {
1518	# restore original map position	2198	# restore original map position
…		…
1532	# use -1 or undef as default coordinates, not 0, 0	2212	# use -1 or undef as default coordinates, not 0, 0
1533	($x, $y) = ($map->enter_x, $map->enter_y)	2213	($x, $y) = ($map->enter_x, $map->enter_y)
1534	if $x <=0 && $y <= 0;	2214	if $x <=0 && $y <= 0;
1535		2215
1536	$map->load;	2216	$map->load;
		2217	$map->load_diag;
1537		2218
		2219	return unless $self->contr->active;
1538	$self->activate_recursive;	2220	$self->activate_recursive;
		2221
		2222	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1539	$self->enter_map ($map, $x, $y);	2223	$self->enter_map ($map, $x, $y);
1540	}	2224	}
1541		2225
1542	cf::player->attach (
1543	on_logout => sub {
1544	my ($pl) = @_;
1545
1546	# abort map switching before logout
1547	if ($pl->ob->{_link_pos}) {
1548	cf::sync_job {
1549	$pl->ob->leave_link
1550	};
1551	}
1552	},
1553	on_login => sub {
1554	my ($pl) = @_;
1555
1556	# try to abort aborted map switching on player login :)
1557	# should happen only on crashes
1558	if ($pl->ob->{_link_pos}) {
1559	$pl->ob->enter_link;
1560	cf::async {
1561	# we need this sleep as the login has a concurrent enter_exit running
1562	# and this sleep increases chances of the player not ending up in scorn
1563	Coro::Timer::sleep 1;
1564	$pl->ob->leave_link;
1565	};
1566	}
1567	},
1568	);
1569
1570	=item $player_object->goto ($path, $x, $y)	2226	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1571		2227
		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.
		2232
1572	=cut	2233	=cut
		2234
		2235	our $GOTOGEN;
1573		2236
1574	sub cf::object::player::goto {	2237	sub cf::object::player::goto {
1575	my ($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;
1576		2242
1577	$self->enter_link;	2243	$self->enter_link;
1578		2244
1579	(cf::async {	2245	(async {
1580	$path = new cf::path $path;	2246	my $map = eval {
1581
1582	my $map = cf::map::find $path->as_string;	2247	my $map = cf::map::find $path;
		2248
		2249	if ($map) {
1583	$map = $map->customise_for ($self) if $map;	2250	$map = $map->customise_for ($self);
1584		2251	$map = $check->($map) if $check && $map;
1585	# warn "entering ", $map->path, " at ($x, $y)\n"	2252	} else {
1586	# if $map;
1587
1588	$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	}
1589		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};
1590	$self->leave_link ($map, $x, $y);	2266	$self->leave_link ($map, $x, $y);
		2267	}
1591	})->prio (1);	2268	})->prio (1);
1592	}	2269	}
1593		2270
1594	=item $player_object->enter_exit ($exit_object)	2271	=item $player_object->enter_exit ($exit_object)
1595		2272
…		…
1597		2274
1598	sub parse_random_map_params {	2275	sub parse_random_map_params {
1599	my ($spec) = @_;	2276	my ($spec) = @_;
1600		2277
1601	my $rmp = { # defaults	2278	my $rmp = { # defaults
1602	xsize => 10,	2279	xsize => (cf::rndm 15, 40),
1603	ysize => 10,	2280	ysize => (cf::rndm 15, 40),
		2281	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2282	#layout => string,
1604	};	2283	};
1605		2284
1606	for (split /\n/, $spec) {	2285	for (split /\n/, $spec) {
1607	my ($k, $v) = split /\s+/, $_, 2;	2286	my ($k, $v) = split /\s+/, $_, 2;
1608		2287
…		…
1612	$rmp	2291	$rmp
1613	}	2292	}
1614		2293
1615	sub prepare_random_map {	2294	sub prepare_random_map {
1616	my ($exit) = @_;	2295	my ($exit) = @_;
		2296
		2297	my $guard = cf::lock_acquire "exit_prepare:$exit";
1617		2298
1618	# all this does is basically replace the /! path by	2299	# all this does is basically replace the /! path by
1619	# a new random map path (?random/...) with a seed	2300	# a new random map path (?random/...) with a seed
1620	# that depends on the exit object	2301	# that depends on the exit object
1621		2302
1622	my $rmp = parse_random_map_params $exit->msg;	2303	my $rmp = parse_random_map_params $exit->msg;
1623		2304
1624	if ($exit->map) {	2305	if ($exit->map) {
1625	$rmp->{region} = $exit->map->region_name;	2306	$rmp->{region} = $exit->region->name;
1626	$rmp->{origin_map} = $exit->map->path;	2307	$rmp->{origin_map} = $exit->map->path;
1627	$rmp->{origin_x} = $exit->x;	2308	$rmp->{origin_x} = $exit->x;
1628	$rmp->{origin_y} = $exit->y;	2309	$rmp->{origin_y} = $exit->y;
1629	}	2310	}
1630		2311
1631	$rmp->{random_seed} ||= $exit->random_seed;	2312	$rmp->{random_seed} ||= $exit->random_seed;
1632		2313
1633	my $data = cf::to_json $rmp;	2314	my $data = cf::to_json $rmp;
1634	my $md5 = Digest::MD5::md5_hex $data;	2315	my $md5 = Digest::MD5::md5_hex $data;
		2316	my $meta = "$RANDOMDIR/$md5.meta";
1635		2317
1636	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) {
1637	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;
1638		2322
1639	$exit->slaying ("?random/$md5");	2323	$exit->slaying ("?random/$md5");
1640	$exit->msg (undef);	2324	$exit->msg (undef);
1641	}	2325	}
1642	}	2326	}
…		…
1644	sub cf::object::player::enter_exit {	2328	sub cf::object::player::enter_exit {
1645	my ($self, $exit) = @_;	2329	my ($self, $exit) = @_;
1646		2330
1647	return unless $self->type == cf::PLAYER;	2331	return unless $self->type == cf::PLAYER;
1648		2332
		2333	if ($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
1649	$self->enter_link;	2344	$self->enter_link;
1650		2345
1651	(cf::async {	2346	(async {
1652	$self->deactivate_recursive; # just to be sure	2347	$self->deactivate_recursive; # just to be sure
1653	unless (eval {	2348	unless (eval {
1654	prepare_random_map $exit	2349	$self->goto ($slaying, $hp, $sp);
1655	if $exit->slaying eq "/!";
1656
1657	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1658	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1659		2350
1660	1;	2351	1;
1661	}) {	2352	}) {
1662	$self->message ("Something went wrong deep within the crossfire server. "	2353	$self->message ("Something went wrong deep within the crossfire server. "
1663	. "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. "
1664	. "Please report this to the dungeon master",	2355	. "Please report this to the dungeon master!",
1665	cf::NDI_UNIQUE | cf::NDI_RED);	2356	cf::NDI_UNIQUE | cf::NDI_RED);
1666		2357
1667	warn "ERROR in enter_exit: $@";	2358	warn "ERROR in enter_exit: $@";
1668	$self->leave_link;	2359	$self->leave_link;
1669	}	2360	}
1670	})->prio (1);	2361	})->prio (1);
…		…
1683		2374
1684	sub cf::client::send_drawinfo {	2375	sub cf::client::send_drawinfo {
1685	my ($self, $text, $flags) = @_;	2376	my ($self, $text, $flags) = @_;
1686		2377
1687	utf8::encode $text;	2378	utf8::encode $text;
1688	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2379	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1689	}	2380	}
1690		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	}
1691		2432
1692	=item $success = $client->query ($flags, "text", \&cb)	2433	=item $success = $client->query ($flags, "text", \&cb)
1693		2434
1694	Queues a query to the client, calling the given callback with	2435	Queues a query to the client, calling the given callback with
1695	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>,
1696	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>.
1697		2438
1698	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
1699	reliable at some point in the future.	2440	become reliable at some point in the future.
1700		2441
1701	=cut	2442	=cut
1702		2443
1703	sub cf::client::query {	2444	sub cf::client::query {
1704	my ($self, $flags, $text, $cb) = @_;	2445	my ($self, $flags, $text, $cb) = @_;
…		…
1712	utf8::encode $text;	2453	utf8::encode $text;
1713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2454	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1714		2455
1715	$self->send_packet ($self->{query_queue}[0][0])	2456	$self->send_packet ($self->{query_queue}[0][0])
1716	if @{ $self->{query_queue} } == 1;	2457	if @{ $self->{query_queue} } == 1;
		2458
		2459	1
1717	}	2460	}
1718		2461
1719	cf::client->attach (	2462	cf::client->attach (
1720	on_reply => sub {	2463	on_reply => sub {
1721	my ($ns, $msg) = @_;	2464	my ($ns, $msg) = @_;
…		…
1724	# get handled first	2467	# get handled first
1725	my $queue = delete $ns->{query_queue}	2468	my $queue = delete $ns->{query_queue}
1726	or return; # be conservative, not sure how that can happen, but we saw a crash here	2469	or return; # be conservative, not sure how that can happen, but we saw a crash here
1727		2470
1728	(shift @$queue)->[1]->($msg);	2471	(shift @$queue)->[1]->($msg);
		2472	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1729		2473
1730	push @{ $ns->{query_queue} }, @$queue;	2474	push @{ $ns->{query_queue} }, @$queue;
1731		2475
1732	if (@{ $ns->{query_queue} } == @$queue) {	2476	if (@{ $ns->{query_queue} } == @$queue) {
1733	if (@$queue) {	2477	if (@$queue) {
…		…
1735	} else {	2479	} else {
1736	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2480	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1737	}	2481	}
1738	}	2482	}
1739	},	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	},
1740	);	2502	);
1741		2503
1742	=item $client->coro (\&cb)	2504	=item $client->async (\&cb)
1743		2505
1744	Create a new coroutine, running the specified callback. The coroutine will	2506	Create a new coroutine, running the specified callback. The coroutine will
1745	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,
1746	or loss of connection).	2508	or loss of connection).
1747		2509
1748	=cut	2510	=cut
1749		2511
1750	sub cf::client::coro {	2512	sub cf::client::async {
1751	my ($self, $cb) = @_;	2513	my ($self, $cb) = @_;
1752		2514
1753	my $coro = &cf::async ($cb);	2515	my $coro = &Coro::async ($cb);
1754		2516
1755	$coro->on_destroy (sub {	2517	$coro->on_destroy (sub {
1756	delete $self->{_coro}{$coro+0};	2518	delete $self->{_coro}{$coro+0};
1757	});	2519	});
1758		2520
…		…
1791		2553
1792	# here we export the classes and methods available to script code	2554	# here we export the classes and methods available to script code
1793		2555
1794	=pod	2556	=pod
1795		2557
1796	The following fucntions and emthods are available within a safe environment:	2558	The following functions and methods are available within a safe environment:
1797		2559
1798	cf::object contr pay_amount pay_player map	2560	cf::object contr pay_amount pay_player map
1799	cf::object::player player	2561	cf::object::player player
1800	cf::player peaceful	2562	cf::player peaceful
1801	cf::map trigger	2563	cf::map trigger
…		…
1882	=back	2644	=back
1883		2645
1884	=cut	2646	=cut
1885		2647
1886	#############################################################################	2648	#############################################################################
		2649	# the server's init and main functions
1887		2650
1888	=head2 EXTENSION DATABASE SUPPORT	2651	sub load_facedata($) {
		2652	my ($path) = @_;
1889		2653
1890	Crossfire maintains a very simple database for extension use. It can	2654	warn "loading facedata from $path\n";
1891	currently store anything that can be serialised using Storable, which
1892	excludes objects.
1893		2655
1894	The parameter C<$family> should best start with the name of the extension	2656	my $facedata;
1895	using it, it should be unique.	2657	0 < aio_load $path, $facedata
		2658	or die "$path: $!";
1896		2659
1897	=over 4	2660	$facedata = Coro::Storable::thaw $facedata;
1898		2661
1899	=item $hashref = cf::db_get $family	2662	$facedata->{version} == 2
		2663	or cf::cleanup "$path: version mismatch, cannot proceed.";
1900		2664
1901	Return a hashref for use by the extension C<$family>, which can be
1902	modified. After modifications, you have to call C<cf::db_dirty> or
1903	C<cf::db_sync>.
1904
1905	=item $value = cf::db_get $family => $key
1906
1907	Returns a single value from the database
1908
1909	=item cf::db_put $family => $hashref
1910
1911	Stores the given family hashref into the database. Updates are delayed, if
1912	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1913
1914	=item cf::db_put $family => $key => $value
1915
1916	Stores the given C<$value> in the family hash. Updates are delayed, if you
1917	want the data to be synced to disk immediately, use C<cf::db_sync>.
1918
1919	=item cf::db_dirty
1920
1921	Marks the database as dirty, to be updated at a later time.
1922
1923	=item cf::db_sync
1924
1925	Immediately write the database to disk I<if it is dirty>.
1926
1927	=cut
1928
1929	our $DB;
1930
1931	{
1932	my $path = cf::localdir . "/database.pst";
1933
1934	sub db_load() {
1935	$DB = stat $path ? Storable::retrieve $path : { };
1936	}	2665	{
		2666	my $faces = $facedata->{faceinfo};
1937		2667
1938	my $pid;	2668	while (my ($face, $info) = each %$faces) {
1939		2669	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1940	sub db_save() {	2670	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
1941	waitpid $pid, 0 if $pid;	2671	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
1942	if (0 == ($pid = fork)) {	2672	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
1943	$DB->{_meta}{version} = 1;	2673	Coro::cede;
1944	Storable::nstore $DB, "$path~";
1945	rename "$path~", $path;
1946	cf::_exit 0 if defined $pid;
1947	}
1948	}
1949
1950	my $dirty;
1951
1952	sub db_sync() {
1953	db_save if $dirty;
1954	undef $dirty;
1955	}
1956
1957	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1958	db_sync;
1959	});
1960
1961	sub db_dirty() {
1962	$dirty = 1;
1963	$idle->start;
1964	}
1965
1966	sub db_get($;$) {
1967	@_ >= 2
1968	? $DB->{$_[0]}{$_[1]}
1969	: ($DB->{$_[0]} ||= { })
1970	}
1971
1972	sub db_put($$;$) {
1973	if (@_ >= 3) {
1974	$DB->{$_[0]}{$_[1]} = $_[2];
1975	} else {
1976	$DB->{$_[0]} = $_[1];
1977	}
1978	db_dirty;
1979	}
1980
1981	cf::global->attach (
1982	prio => 10000,
1983	on_cleanup => sub {
1984	db_sync;
1985	},	2674	}
1986	);
1987	}
1988		2675
1989	#############################################################################	2676	while (my ($face, $info) = each %$faces) {
1990	# 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	}
1991		2738
1992	sub cfg_load {	2739	sub cfg_load {
1993	open my $fh, "<:utf8", cf::confdir . "/config"	2740	open my $fh, "<:utf8", "$CONFDIR/config"
1994	or return;	2741	or return;
1995		2742
1996	local $/;	2743	local $/;
1997	*CFG = YAML::Syck::Load <$fh>;	2744	*CFG = YAML::Syck::Load <$fh>;
1998		2745
1999	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2000		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
2001	if (exists $CFG{mlockall}) {	2751	if (exists $CFG{mlockall}) {
2002	eval {	2752	eval {
2003	$CFG{mlockall} ? &mlockall : &munlockall	2753	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2004	and die "WARNING: m(un)lockall failed: $!\n";	2754	and die "WARNING: m(un)lockall failed: $!\n";
2005	};	2755	};
2006	warn $@ if $@;	2756	warn $@ if $@;
2007	}	2757	}
2008	}	2758	}
2009		2759
2010	sub main {	2760	sub main {
2011	# we must not ever block the main coroutine	2761	# we must not ever block the main coroutine
2012	local $Coro::idle = sub {	2762	local $Coro::idle = sub {
2013	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#
2014	(Coro::unblock_sub {	2764	(async {
2015	Event::one_event;	2765	Event::one_event;
2016	})->();	2766	})->prio (Coro::PRIO_MAX);
2017	};	2767	};
2018		2768
2019	cfg_load;	2769	cfg_load;
2020	db_load;	2770	db_init;
2021	load_extensions;	2771	load_extensions;
		2772
		2773	$TICK_WATCHER->start;
2022	Event::loop;	2774	Event::loop;
2023	}	2775	}
2024		2776
2025	#############################################################################	2777	#############################################################################
2026	# initialisation	2778	# initialisation and cleanup
2027		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 $make_core;
		2871	}
		2872
2028	sub reload() {	2873	sub do_reload_perl() {
2029	# can/must only be called in main	2874	# can/must only be called in main
2030	if ($Coro::current != $Coro::main) {	2875	if ($Coro::current != $Coro::main) {
2031	warn "can only reload from main coroutine\n";	2876	warn "can only reload from main coroutine";
2032	return;	2877	return;
2033	}	2878	}
2034		2879
2035	warn "reloading...";	2880	warn "reloading...";
2036		2881
2037	my $guard = freeze_mainloop;	2882	warn "entering sync_job";
		2883
		2884	cf::sync_job {
		2885	cf::write_runtime; # external watchdog should not bark
2038	cf::emergency_save;	2886	cf::emergency_save;
		2887	cf::write_runtime; # external watchdog should not bark
2039		2888
2040	eval {	2889	warn "syncing database to disk";
		2890	BDB::db_env_txn_checkpoint $DB_ENV;
		2891
2041	# 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
2042		2893
2043	# cancel all watchers	2894	warn "cancelling all WF_AUTOCANCEL watchers";
2044	for (Event::all_watchers) {	2895	for (Event::all_watchers) {
2045	$_->cancel if $_->data & WF_AUTOCANCEL;	2896	$_->cancel if $_->data & WF_AUTOCANCEL;
2046	}	2897	}
2047		2898
		2899	warn "flushing outstanding aio requests";
		2900	for (;;) {
		2901	BDB::flush;
		2902	IO::AIO::flush;
		2903	Coro::cede;
		2904	last unless IO::AIO::nreqs || BDB::nreqs;
		2905	warn "iterate...";
		2906	}
		2907
		2908	++$RELOAD;
		2909
2048	# cancel all extension coros	2910	warn "cancelling all extension coros";
2049	$_->cancel for values %EXT_CORO;	2911	$_->cancel for values %EXT_CORO;
2050	%EXT_CORO = ();	2912	%EXT_CORO = ();
2051		2913
2052	# unload all extensions	2914	warn "removing commands";
2053	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 $pkg (@EXTS) {
2054	warn "unloading <$_>";	2923	warn "... unloading $pkg";
2055	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: $@";
2056	}	2930	}
2057		2931
		2932	warn "... nuking $pkg";
		2933	Symbol::delete_package $pkg;
		2934	}
		2935
2058	# unload all modules loaded from $LIBDIR	2936	warn "unloading all perl modules loaded from $LIBDIR";
2059	while (my ($k, $v) = each %INC) {	2937	while (my ($k, $v) = each %INC) {
2060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2061		2939
2062	warn "removing <$k>";	2940	warn "... unloading $k";
2063	delete $INC{$k};	2941	delete $INC{$k};
2064		2942
2065	$k =~ s/\.pm$//;	2943	$k =~ s/\.pm$//;
2066	$k =~ s/\//::/g;	2944	$k =~ s/\//::/g;
2067		2945
…		…
2070	}	2948	}
2071		2949
2072	Symbol::delete_package $k;	2950	Symbol::delete_package $k;
2073	}	2951	}
2074		2952
2075	# sync database to disk
2076	cf::db_sync;
2077	IO::AIO::flush;
2078
2079	# get rid of safe::, as good as possible	2953	warn "getting rid of safe::, as good as possible";
2080	Symbol::delete_package "safe::$_"	2954	Symbol::delete_package "safe::$_"
2081	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);
2082		2956
2083	# remove register_script_function callbacks
2084	# TODO
2085
2086	# unload cf.pm "a bit"	2957	warn "unloading cf.pm \"a bit\"";
2087	delete $INC{"cf.pm"};	2958	delete $INC{"cf.pm"};
		2959	delete $INC{"cf/pod.pm"};
2088		2960
2089	# don't, removes xs symbols, too,	2961	# don't, removes xs symbols, too,
2090	# and global variables created in xs	2962	# and global variables created in xs
2091	#Symbol::delete_package __PACKAGE__;	2963	#Symbol::delete_package __PACKAGE__;
2092		2964
2093	# reload cf.pm	2965	warn "unload completed, starting to reload now";
		2966
2094	warn "reloading cf.pm";	2967	warn "reloading cf.pm";
2095	require cf;	2968	require cf;
2096	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2969	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2097		2970
2098	# load config and database again	2971	warn "loading config and database again";
2099	cf::cfg_load;	2972	cf::cfg_load;
2100	cf::db_load;
2101		2973
2102	# load extensions
2103	warn "load extensions";	2974	warn "loading extensions";
2104	cf::load_extensions;	2975	cf::load_extensions;
2105		2976
2106	# reattach attachments to objects	2977	warn "reattaching attachments to objects/players";
2107	warn "reattach";	2978	_global_reattach; # objects, sockets
2108	_global_reattach;	2979	warn "reattaching attachments to maps";
2109	};	2980	reattach $_ for values %MAP;
		2981	warn "reattaching attachments to players";
		2982	reattach $_ for values %PLAYER;
2110		2983
2111	if ($@) {	2984	warn "leaving sync_job";
		2985
		2986	1
		2987	} or do {
2112	warn $@;	2988	warn $@;
2113	warn "error while reloading, exiting.";	2989	warn "error while reloading, exiting.";
2114	exit 1;	2990	exit 1;
2115	}	2991	};
2116		2992
2117	warn "reloaded successfully";	2993	warn "reloaded";
2118	};	2994	};
2119		2995
2120	#############################################################################	2996	our $RELOAD_WATCHER; # used only during reload
2121		2997
2122	unless ($LINK_MAP) {	2998	sub reload_perl() {
2123	$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.
2124		3001
2125	$LINK_MAP->width (41);	3002	$RELOAD_WATCHER ||= Event->timer (
2126	$LINK_MAP->height (41);	3003	reentrant => 0,
2127	$LINK_MAP->alloc;
2128	$LINK_MAP->path ("{link}");
2129	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2130	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2131
2132	# dirty hack because... archetypes are not yet loaded
2133	Event->timer (
2134	after => 2,	3004	after => 0,
		3005	data => WF_AUTOCANCEL,
2135	cb => sub {	3006	cb => sub {
2136	$_[0]->w->cancel;	3007	do_reload_perl;
2137		3008	undef $RELOAD_WATCHER;
2138	# provide some exits "home"
2139	my $exit = cf::object::new "exit";
2140
2141	$exit->slaying ($EMERGENCY_POSITION->[0]);
2142	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2143	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2144
2145	$LINK_MAP->insert ($exit->clone, 19, 19);
2146	$LINK_MAP->insert ($exit->clone, 19, 20);
2147	$LINK_MAP->insert ($exit->clone, 19, 21);
2148	$LINK_MAP->insert ($exit->clone, 20, 19);
2149	$LINK_MAP->insert ($exit->clone, 20, 21);
2150	$LINK_MAP->insert ($exit->clone, 21, 19);
2151	$LINK_MAP->insert ($exit->clone, 21, 20);
2152	$LINK_MAP->insert ($exit->clone, 21, 21);
2153
2154	$exit->destroy;
2155	});	3009	},
2156		3010	);
2157	$LINK_MAP->{deny_save} = 1;
2158	$LINK_MAP->{deny_reset} = 1;
2159
2160	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2161	}	3011	}
2162
2163	register "<global>", __PACKAGE__;
2164		3012
2165	register_command "reload" => sub {	3013	register_command "reload" => sub {
2166	my ($who, $arg) = @_;	3014	my ($who, $arg) = @_;
2167		3015
2168	if ($who->flag (FLAG_WIZ)) {	3016	if ($who->flag (FLAG_WIZ)) {
2169	$who->message ("start of reload.");
2170	reload;
2171	$who->message ("end of reload.");	3017	$who->message ("reloading server.");
		3018	async { reload_perl };
2172	}	3019	}
2173	};	3020	};
2174		3021
2175	unshift @INC, $LIBDIR;	3022	unshift @INC, $LIBDIR;
2176		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;
2177	$TICK_WATCHER = Event->timer (	3049	$TICK_WATCHER = Event->timer (
2178	reentrant => 0,	3050	reentrant => 0,
		3051	parked => 1,
2179	prio => 0,	3052	prio => 0,
2180	at => $NEXT_TICK || $TICK,	3053	at => $NEXT_TICK || $TICK,
2181	data => WF_AUTOCANCEL,	3054	data => WF_AUTOCANCEL,
2182	cb => sub {	3055	cb => sub {
		3056	if ($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
2183	cf::server_tick; # one server iteration	3064	cf::server_tick; # one server iteration
		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
		3087	};
		3088
2184	$RUNTIME += $TICK;	3089	$RUNTIME += $TICK;
2185	$NEXT_TICK += $TICK;	3090	$NEXT_TICK += $TICK;
2186		3091
		3092	if ($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
2187	# 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
2188	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3113	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2189		3114
2190	$TICK_WATCHER->at ($NEXT_TICK);	3115	$TICK_WATCHER->at ($NEXT_TICK);
2191	$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
2192	},	3124	},
2193	);	3125	);
2194		3126
		3127	{
2195	IO::AIO::max_poll_time $TICK * 0.2;	3128	BDB::max_poll_time $TICK * 0.1;
2196		3129	$BDB_POLL_WATCHER = Event->io (
2197	Event->io (	3130	reentrant => 0,
2198	fd => IO::AIO::poll_fileno,	3131	fd => BDB::poll_fileno,
2199	poll => 'r',	3132	poll => 'r',
2200	prio => 5,	3133	prio => 0,
2201	data => WF_AUTOCANCEL,
2202	cb => \&IO::AIO::poll_cb,
2203	);
2204
2205	Event->timer (
2206	data => WF_AUTOCANCEL,	3134	data => WF_AUTOCANCEL,
2207	after => 0,	3135	cb => \&BDB::poll_cb,
2208	interval => 10,	3136	);
2209	cb => sub {	3137	BDB::min_parallel 8;
2210	(Coro::unblock_sub {	3138
2211	write_runtime	3139	BDB::set_sync_prepare {
2212	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 $@;
2213	})->();	3173	};
2214	},	3174	}
2215	);	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;
2216		3232
2217	END { cf::emergency_save }	3233	END { cf::emergency_save }
2218		3234
2219	1	3235	1
2220		3236

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