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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 1.288 by root, Mon Jun 25 07:40:53 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 JSON::XS 1.4 ();
		26	use BDB ();
		27	use Data::Dumper;
20	use Digest::MD5;	28	use Digest::MD5;
21	use Fcntl;	29	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	30	use YAML::Syck ();
		31	use IO::AIO 2.32 ();
24	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
25		34
		35	# configure various modules to our taste
		36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
		38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		40
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	41	$Event::Eval = 1; # no idea why this is required, but it is
27		42
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
30		45
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		47
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		49
35	our %COMMAND = ();	50	our %COMMAND = ();
36	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
		52
		53	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
		56	our %EXT_CORO = (); # coroutines bound to extensions
		57	our %EXT_MAP = (); # pluggable maps
38		58
		59	our $RELOAD; # number of reloads so far
39	our @EVENT;	60	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		61
42	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	75	our $TICK_WATCHER;
		76	our $AIO_POLL_WATCHER;
		77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	78	our $NEXT_TICK;
45	our $NOW;	79	our $NOW;
		80	our $USE_FSYNC = 1; # use fsync to write maps - default off
		81
		82	our $BDB_POLL_WATCHER;
		83	our $DB_ENV;
46		84
47	our %CFG;	85	our %CFG;
48		86
49	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	88	our $RUNTIME;
51		89
		90	our %PLAYER; # all users
52	our %MAP; # all maps	91	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	92	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	93
55	our %EXT_CORO;	94	# used to convert map paths into valid unix filenames by replacing / by ∕
		95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		96
		97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		98	our $LOADAVG; # same thing, but with alpha-smoothing
		99	our $tick_start; # for load detecting purposes
56		100
57	binmode STDOUT;	101	binmode STDOUT;
58	binmode STDERR;	102	binmode STDERR;
59		103
60	# read virtual server time, if available	104	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
65	}	109	}
66		110
67	mkdir cf::localdir;	111	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		113
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
		115
		116	sub cf::map::normalise;
76		117
77	#############################################################################	118	#############################################################################
78		119
79	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
80		121
…		…
87	=item $cf::RUNTIME	128	=item $cf::RUNTIME
88		129
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	130	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	131	every server tick.
91		132
92	=item $cf::LIBDIR	133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		136
94	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		139	unique-items directory, player file directory, random maps directory and
		140	database environment.
96		141
97	=item $cf::NOW	142	=item $cf::NOW
98		143
99	The time of the last (current) server tick.	144	The time of the last (current) server tick.
100		145
101	=item $cf::TICK	146	=item $cf::TICK
102		147
103	The interval between server ticks, in seconds.	148	The interval between server ticks, in seconds.
		149
		150	=item $cf::LOADAVG
		151
		152	The current CPU load on the server (alpha-smoothed), as a value between 0
		153	(none) and 1 (overloaded), indicating how much time is spent on processing
		154	objects per tick. Healthy values are < 0.5.
		155
		156	=item $cf::LOAD
		157
		158	The raw value load value from the last tick.
104		159
105	=item %cf::CFG	160	=item %cf::CFG
106		161
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	163	from wherever your confdir points to.
		164
		165	=item cf::wait_for_tick, cf::wait_for_tick_begin
		166
		167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		168	returns directly I<after> the tick processing (and consequently, can only wake one process
		169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
109		170
110	=back	171	=back
111		172
112	=cut	173	=cut
113		174
114	BEGIN {	175	BEGIN {
115	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	177	my $msg = join "", @_;
117	utf8::encode $msg;
118		178
119	$msg .= "\n"	179	$msg .= "\n"
120	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
121		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	185	LOG llevError, $msg;
123	};	186	};
124	}	187	}
125		188
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	193	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		194	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
131	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	195	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
132		196
133	# we bless all objects into (empty) derived classes to force a method lookup	197	# we bless all objects into (empty) derived classes to force a method lookup
134	# within the Safe compartment.	198	# within the Safe compartment.
135	for my $pkg (qw(	199	for my $pkg (qw(
136	cf::global cf::attachable	200	cf::global cf::attachable
…		…
145		209
146	$Event::DIED = sub {	210	$Event::DIED = sub {
147	warn "error in event callback: @_";	211	warn "error in event callback: @_";
148	};	212	};
149		213
150	my %ext_pkg;	214	#############################################################################
151	my @exts;
152	my @hook;
153		215
154	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
155		217
156	=over 4	218	=over 4
157		219
158	=cut	220	=item dumpval $ref
159		221
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	222	=cut
		223
		224	sub dumpval {
		225	eval {
		226	local $SIG{__DIE__};
		227	my $d;
		228	if (1) {
		229	$d = new Data::Dumper([$_[0]], ["*var"]);
		230	$d->Terse(1);
		231	$d->Indent(2);
		232	$d->Quotekeys(0);
		233	$d->Useqq(1);
		234	#$d->Bless(...);
		235	$d->Seen($_[1]) if @_ > 1;
		236	$d = $d->Dump();
		237	}
		238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		239	$d
		240	} || "[unable to dump $_[0]: '$@']";
		241	}
161		242
162	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
163		244
164	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
165		246
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
174		248
175	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
176		250
177	=cut	251	=cut
178		252
179	sub to_json($) {	253	our $json_coder = JSON::XS->new->convert_blessed->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
181	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
182	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
183		257
184	=item cf::lock_wait $string	258	=item cf::lock_wait $string
185		259
186	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
187		261
…		…
193	returned.	267	returned.
194		268
195	Lock names should begin with a unique identifier (for example, cf::map::find	269	Lock names should begin with a unique identifier (for example, cf::map::find
196	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
197		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
198	=cut	276	=cut
199		277
200	our %LOCK;	278	our %LOCK;
201		279
202	sub lock_wait($) {	280	sub lock_wait($) {
…		…
221	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
223	}	301	}
224	}	302	}
225		303
226	=item cf::async { BLOCK }	304	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) = @_;	305	my ($key) = @_;
235		306
236	Coro::async {	307	! ! $LOCK{$key}
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}	308	}
241		309
242	sub freeze_mainloop {	310	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
244		312
245	my $guard = Coro::guard { $TICK_WATCHER->start };	313	my $guard = Coro::guard {
		314	$TICK_WATCHER->start;
		315	};
246	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
247	$guard	317	$guard
248	}	318	}
249		319
		320	=item cf::async { BLOCK }
		321
		322	Currently the same as Coro::async_pool, meaning you cannot use
		323	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		324	thing you are allowed to do is call C<prio> on it.
		325
		326	=cut
		327
		328	BEGIN { *async = \&Coro::async_pool }
		329
250	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
251		331
252	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
253	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
255		336
256	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
257	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
258	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
259	fast or be very important.	340	fast or be very important.
…		…
262		343
263	sub sync_job(&) {	344	sub sync_job(&) {
264	my ($job) = @_;	345	my ($job) = @_;
265		346
266	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
267	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
269		352
270	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	354	# (but this is cancel-safe)
272	my $freeze_guard = freeze_mainloop;	355	my $freeze_guard = freeze_mainloop;
273		356
274	my $busy = 1;	357	my $busy = 1;
275	my @res;	358	my @res;
276		359
277	(Coro::async {	360	(async {
278	@res = eval { $job->() };	361	@res = eval { $job->() };
279	warn $@ if $@;	362	warn $@ if $@;
280	undef $busy;	363	undef $busy;
281	})->prio (Coro::PRIO_MAX);	364	})->prio (Coro::PRIO_MAX);
282		365
283	while ($busy) {	366	while ($busy) {
284	Coro::cede_notself;	367	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	368	}
		369
		370	$time = Event::time - $time;
		371
		372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		374
		375	$tick_start += $time; # do not account sync jobs to server load
287		376
288	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
289	} else {	378	} else {
290	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
291		380
292	$job->()	381	$job->()
293	}	382	}
294	}	383	}
295		384
296	=item $coro = cf::coro { BLOCK }	385	=item $coro = cf::async_ext { BLOCK }
297		386
298	Creates and returns a new coro. This coro is automcatially being canceled	387	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	388	extension calling this is being unloaded.
300		389
301	=cut	390	=cut
302		391
303	sub coro(&) {	392	sub async_ext(&) {
304	my $cb = shift;	393	my $cb = shift;
305		394
306	my $coro = &cf::async ($cb);	395	my $coro = &Coro::async ($cb);
307		396
308	$coro->on_destroy (sub {	397	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	398	delete $EXT_CORO{$coro+0};
310	});	399	});
311	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
312		401
313	$coro	402	$coro
314	}	403	}
315		404
316	sub write_runtime {	405	=item fork_call { }, $args
317	my $runtime = cf::localdir . "/runtime";
318		406
319	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
320	or return;	408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
321		411
322	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	412	=cut
323	(aio_write $fh, 0, (length $value), $value, 0) <= 0
324	and return;
325		413
326	aio_fsync $fh	414	sub fork_call(&@) {
327	and return;	415	my ($cb, @args) = @_;
328		416
		417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
		421
		422	if (my $pid = fork) {
329	close $fh	423	close $fh2;
330	or return;
331		424
332	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
333	and return;	426	$res = Coro::Storable::thaw $res;
334		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
335	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		480	my $key = "$_[0]/$_[1]";
		481
		482	cf::sync_job {
		483	BDB::db_get $DB, undef, $key, my $data;
		484
		485	$! ? ()
		486	: $data
		487	}
		488	}
		489
		490	sub db_put($$$) {
		491	BDB::dbreq_pri 4;
		492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		493	}
		494
		495	=item cf::cache $id => [$paths...], $processversion => $process
		496
		497	Generic caching function that returns the value of the resource $id,
		498	caching and regenerating as required.
		499
		500	This function can block.
		501
		502	=cut
		503
		504	sub cache {
		505	my ($id, $src, $processversion, $process) = @_;
		506
		507	my $meta =
		508	join "\x00",
		509	$processversion,
		510	map {
		511	aio_stat $_
		512	and Carp::croak "$_: $!";
		513
		514	($_, (stat _)[7,9])
		515	} @$src;
		516
		517	my $dbmeta = db_get cache => "$id/meta";
		518	if ($dbmeta ne $meta) {
		519	# changed, we may need to process
		520
		521	my @data;
		522	my $md5;
		523
		524	for (0 .. $#$src) {
		525	0 <= aio_load $src->[$_], $data[$_]
		526	or Carp::croak "$src->[$_]: $!";
		527	}
		528
		529	# if processing is expensive, check
		530	# checksum first
		531	if (1) {
		532	$md5 =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	Coro::cede;
		537	($src->[$_], Digest::MD5::md5_hex $data[$_])
		538	} 0.. $#$src;
		539
		540
		541	my $dbmd5 = db_get cache => "$id/md5";
		542	if ($dbmd5 eq $md5) {
		543	db_put cache => "$id/meta", $meta;
		544
		545	return db_get cache => "$id/data";
		546	}
		547	}
		548
		549	my $t1 = Time::HiRes::time;
		550	my $data = $process->(\@data);
		551	my $t2 = Time::HiRes::time;
		552
		553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		554
		555	db_put cache => "$id/data", $data;
		556	db_put cache => "$id/md5" , $md5;
		557	db_put cache => "$id/meta", $meta;
		558
		559	return $data;
		560	}
		561
		562	db_get cache => "$id/data"
		563	}
		564
		565	=item cf::datalog type => key => value, ...
		566
		567	Log a datalog packet of the given type with the given key-value pairs.
		568
		569	=cut
		570
		571	sub datalog($@) {
		572	my ($type, %kv) = @_;
		573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
336	}	574	}
337		575
338	=back	576	=back
339		577
340	=cut	578	=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		579
462	#############################################################################	580	#############################################################################
463		581
464	=head2 ATTACHABLE OBJECTS	582	=head2 ATTACHABLE OBJECTS
465		583
…		…
467	attach callbacks/event handlers (a collection of which is called an "attachment")	585	attach callbacks/event handlers (a collection of which is called an "attachment")
468	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
469		587
470	In the following description, CLASS can be any of C<global>, C<object>	588	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	589	C<player>, C<client> or C<map> (i.e. the attachable objects in
472	crossfire+).	590	Crossfire TRT).
473		591
474	=over 4	592	=over 4
475		593
476	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
477		595
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	709	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	710	our @CB_MAP = ();
593		711
594	my %attachment;	712	my %attachment;
595		713
		714	sub cf::attachable::thawer_merge {
		715	# simply override everything except _meta
		716	local $_[0]{_meta};
		717	%{$_[0]} = %{$_[1]};
		718	}
		719
596	sub _attach_cb($$$$) {	720	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	721	my ($registry, $event, $prio, $cb) = @_;
598		722
599	use sort 'stable';	723	use sort 'stable';
600		724
…		…
634	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
635		759
636	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
637	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
638	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
639	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
640		764
641	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
642	my $pkg = shift @arg;	766	my $pkg = shift @arg;
643		767
644	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
673	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
674	}	798	}
675		799
676	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
677	} else {	801	} else {
678	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
679	}	803	}
680		804
681	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
682	}	806	}
683		807
…		…
685	if (ref $_[0]) {	809	if (ref $_[0]) {
686	_object_attach @_;	810	_object_attach @_;
687	} else {	811	} else {
688	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
689	}	813	}
		814	_recalc_want;
690	};	815	};
691		816
692	# all those should be optimised	817	# all those should be optimised
693	sub cf::attachable::detach {	818	sub cf::attachable::detach {
694	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
697	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
698	reattach ($obj);	823	reattach ($obj);
699	} else {	824	} else {
700	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
701	}	826	}
		827	_recalc_want;
702	};	828	};
703		829
704	sub cf::attachable::attached {	830	sub cf::attachable::attached {
705	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
706		832
…		…
771	# object support	897	# object support
772		898
773	sub reattach {	899	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	900	# basically do the same as instantiate, without calling instantiate
775	my ($obj) = @_;	901	my ($obj) = @_;
		902
		903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776		904
777	my $registry = $obj->registry;	905	my $registry = $obj->registry;
778		906
779	@$registry = ();	907	@$registry = ();
780		908
…		…
827	$filename, length $$rdata, scalar @$objs;	955	$filename, length $$rdata, scalar @$objs;
828		956
829	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
831	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
832	aio_fsync $fh;	960	aio_fsync $fh if $cf::USE_FSYNC;
833	close $fh;	961	close $fh;
834		962
835	if (@$objs) {	963	if (@$objs) {
836	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
837	chmod SAVE_MODE, $fh;	965	chmod SAVE_MODE, $fh;
838	my $data = Storable::nfreeze { version => 1, objs => $objs };	966	my $data = Storable::nfreeze { version => 1, objs => $objs };
839	aio_write $fh, 0, (length $data), $data, 0;	967	aio_write $fh, 0, (length $data), $data, 0;
840	aio_fsync $fh;	968	aio_fsync $fh if $cf::USE_FSYNC;
841	close $fh;	969	close $fh;
842	aio_rename "$filename.pst~", "$filename.pst";	970	aio_rename "$filename.pst~", "$filename.pst";
843	}	971	}
844	} else {	972	} else {
845	aio_unlink "$filename.pst";	973	aio_unlink "$filename.pst";
…		…
877	or return;	1005	or return;
878	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
879	}	1007	}
880		1008
881	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
882	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
883	return ($data, $av);	1011	return ($data, $av);
884	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
885		1019
886	#############################################################################	1020	#############################################################################
887	# command handling &c	1021	# command handling &c
888		1022
889	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
902	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
903	}	1037	}
904		1038
905	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
906		1040
907	Register a callbackf ro execution when the client sends an extcmd packet.	1041	Register a callback for execution when the client sends an (synchronous)
		1042	extcmd packet. Ext commands will be processed in the order they are
		1043	received by the server, like other user commands. The first argument is
		1044	the logged-in player. Ext commands can only be processed after a player
		1045	has logged in successfully.
908		1046
909	If the callback returns something, it is sent back as if reply was being	1047	If the callback returns something, it is sent back as if reply was being
910	called.	1048	called.
911		1049
		1050	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1051
		1052	Register a callback for execution when the client sends an (asynchronous)
		1053	exticmd packet. Exti commands are processed by the server as soon as they
		1054	are received, i.e. out of order w.r.t. other commands. The first argument
		1055	is a client socket. Exti commands can be received anytime, even before
		1056	log-in.
		1057
		1058	If the callback returns something, it is sent back as if reply was being
		1059	called.
		1060
912	=cut	1061	=cut
913		1062
914	sub register_extcmd {	1063	sub register_extcmd {
915	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
916		1065
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
921	}	1073	}
922		1074
923	cf::player->attach (	1075	cf::player->attach (
924	on_command => sub {	1076	on_command => sub {
925	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
938		1090
939	my $msg = eval { from_json $buf };	1091	my $msg = eval { from_json $buf };
940		1092
941	if (ref $msg) {	1093	if (ref $msg) {
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
944	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
945	}	1097	}
946	}	1098	}
947	} else {	1099	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
950		1102
951	cf::override;	1103	cf::override;
952	},	1104	},
953	);	1105	);
954		1106
955	sub register {
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	sub load_extension {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
		1111	for my $path (<$LIBDIR/*.ext>) {
		1112	next unless -r $path;
		1113
		1114	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1115	my $base = $1;
		1116	my $pkg = $1;
		1117	$pkg =~ s/[^[:word:]]/_/g;
		1118	$pkg = "ext::$pkg";
		1119
		1120	open my $fh, "<:utf8", $path
		1121	or die "$path: $!";
		1122
		1123	my $source = do { local $/; <$fh> };
		1124
		1125	my %ext = (
		1126	path => $path,
		1127	base => $base,
		1128	pkg => $pkg,
		1129	);
		1130
		1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1133
		1134	$ext{source} =
		1135	"package $pkg; use strict; use utf8;\n"
		1136	. "#line 1 \"$path\"\n{\n"
		1137	. $source
		1138	. "\n};\n1";
		1139
		1140	$todo{$base} = \%ext;
		1141	}
		1142
		1143	my %done;
		1144	while (%todo) {
		1145	my $progress;
		1146
		1147	while (my ($k, $v) = each %todo) {
		1148	for (split /,\s*/, $v->{meta}{depends}) {
		1149	goto skip
		1150	unless exists $done{$_};
		1151	}
		1152
		1153	warn "... loading '$k' into '$v->{pkg}'\n";
		1154
		1155	unless (eval $v->{source}) {
		1156	my $msg = $@ ? "$v->{path}: $@\n"
		1157	: "$v->{base}: extension inactive.\n";
		1158
		1159	if (exists $v->{meta}{mandatory}) {
		1160	warn $msg;
		1161	warn "mandatory extension failed to load, exiting.\n";
		1162	exit 1;
		1163	}
		1164
		1165	warn $msg;
		1166	}
		1167
		1168	$done{$k} = delete $todo{$k};
		1169	push @EXTS, $v->{pkg};
		1170	$progress = 1;
		1171	}
		1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
		1177	};
		1178	}
		1179
		1180	#############################################################################
		1181
		1182	=back
		1183
		1184	=head2 CORE EXTENSIONS
		1185
		1186	Functions and methods that extend core crossfire objects.
		1187
		1188	=cut
		1189
		1190	package cf::player;
		1191
		1192	use Coro::AIO;
		1193
		1194	=head3 cf::player
		1195
		1196	=over 4
		1197
		1198	=item cf::player::find $login
		1199
		1200	Returns the given player object, loading it if necessary (might block).
		1201
		1202	=cut
		1203
		1204	sub playerdir($) {
		1205	"$PLAYERDIR/"
		1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1207	}
		1208
		1209	sub path($) {
		1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1211
		1212	(playerdir $login) . "/playerdata"
		1213	}
		1214
		1215	sub find_active($) {
		1216	$cf::PLAYER{$_[0]}
		1217	and $cf::PLAYER{$_[0]}->active
		1218	and $cf::PLAYER{$_[0]}
		1219	}
		1220
		1221	sub exists($) {
		1222	my ($login) = @_;
		1223
		1224	$cf::PLAYER{$login}
		1225	or cf::sync_job { !aio_stat path $login }
		1226	}
		1227
		1228	sub find($) {
		1229	return $cf::PLAYER{$_[0]} || do {
		1230	my $login = $_[0];
		1231
		1232	my $guard = cf::lock_acquire "user_find:$login";
		1233
		1234	$cf::PLAYER{$_[0]} || do {
		1235	# rename old playerfiles to new ones
		1236	#TODO: remove when no longer required
		1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1240	aio_unlink +(playerdir $login) . "/$login.pl";
		1241
		1242	my $pl = load_pl path $login
		1243	or return;
		1244	$cf::PLAYER{$login} = $pl
		1245	}
		1246	}
		1247	}
		1248
		1249	sub save($) {
		1250	my ($pl) = @_;
		1251
		1252	return if $pl->{deny_save};
		1253
		1254	my $path = path $pl;
		1255	my $guard = cf::lock_acquire "user_save:$path";
		1256
		1257	return if $pl->{deny_save};
		1258
		1259	aio_mkdir playerdir $pl, 0770;
		1260	$pl->{last_save} = $cf::RUNTIME;
		1261
		1262	$pl->save_pl ($path);
		1263	Coro::cede;
		1264	}
		1265
		1266	sub new($) {
		1267	my ($login) = @_;
		1268
		1269	my $self = create;
		1270
		1271	$self->ob->name ($login);
		1272	$self->{deny_save} = 1;
		1273
		1274	$cf::PLAYER{$login} = $self;
		1275
		1276	$self
		1277	}
		1278
		1279	=item $pl->quit_character
		1280
		1281	Nukes the player without looking back. If logged in, the connection will
		1282	be destroyed. May block for a long time.
		1283
		1284	=cut
		1285
		1286	sub quit_character {
		1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
		1290
		1291	$pl->{deny_save} = 1;
		1292	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1293
		1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1295	$pl->deactivate;
		1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1297	$pl->ns->destroy if $pl->ns;
		1298
		1299	my $path = playerdir $pl;
		1300	my $temp = "$path~$cf::RUNTIME~deleting~";
		1301	aio_rename $path, $temp;
		1302	delete $cf::PLAYER{$pl->ob->name};
		1303	$pl->destroy;
		1304
		1305	my $prefix = qr<^~\Q$name\E/>;
		1306
		1307	# nuke player maps
		1308	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1309
		1310	IO::AIO::aio_rmtree $temp;
		1311	}
		1312
		1313	=item $pl->kick
		1314
		1315	Kicks a player out of the game. This destroys the connection.
		1316
		1317	=cut
		1318
		1319	sub kick {
		1320	my ($pl, $kicker) = @_;
		1321
		1322	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1323	$pl->killer ("kicked");
		1324	$pl->ns->destroy;
		1325	}
		1326
		1327	=item cf::player::list_logins
		1328
		1329	Returns am arrayref of all valid playernames in the system, can take a
		1330	while and may block, so not sync_job-capable, ever.
		1331
		1332	=cut
		1333
		1334	sub list_logins {
		1335	my $dirs = aio_readdir $PLAYERDIR
		1336	or return [];
		1337
		1338	my @logins;
		1339
		1340	for my $login (@$dirs) {
		1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1342	aio_read $fh, 0, 512, my $buf, 0 or next;
		1343	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1344
		1345	utf8::decode $login;
		1346	push @logins, $login;
		1347	}
		1348
		1349	\@logins
		1350	}
		1351
		1352	=item $player->maps
		1353
		1354	Returns an arrayref of map paths that are private for this
		1355	player. May block.
		1356
		1357	=cut
		1358
		1359	sub maps($) {
		1360	my ($pl) = @_;
		1361
		1362	$pl = ref $pl ? $pl->ob->name : $pl;
		1363
		1364	my $files = aio_readdir playerdir $pl
		1365	or return;
		1366
		1367	my @paths;
		1368
		1369	for (@$files) {
		1370	utf8::decode $_;
		1371	next if /\.(?:pl|pst)$/;
		1372	next unless /^$PATH_SEP/o;
		1373
		1374	push @paths, cf::map::normalise "~$pl/$_";
		1375	}
		1376
		1377	\@paths
		1378	}
		1379
		1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1381
		1382	Expand crossfire pod fragments into protocol xml.
		1383
		1384	=cut
		1385
		1386	sub expand_cfpod {
		1387	((my $self), (local $_)) = @_;
		1388
		1389	# escape & and <
		1390	s/&/&amp;/g;
		1391	s/(?<![BIUGH])</&lt;/g;
		1392
		1393	# this is buggy, it needs to properly take care of nested <'s
		1394
		1395	1 while
		1396	# replace B<>, I<>, U<> etc.
		1397	s/B<([^\>]*)>/<b>$1<\/b>/
		1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1400	# replace G<male|female> tags
		1401	|| s{G<([^>|]*)\|([^>]*)>}{
		1402	$self->gender ? $2 : $1
		1403	}ge
		1404	# replace H<hint text>
		1405	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1406
		1407	# create single paragraphs (very hackish)
		1408	s/(?<=\S)\n(?=\w)/ /g;
		1409
		1410	$_
		1411	}
		1412
		1413	=item $player->ext_reply ($msgid, %msg)
		1414
		1415	Sends an ext reply to the player.
		1416
		1417	=cut
		1418
		1419	sub ext_reply($$%) {
		1420	my ($self, $id, %msg) = @_;
		1421
		1422	$msg{msgid} = $id;
		1423	$self->send ("ext " . cf::to_json \%msg);
		1424	}
		1425
		1426	=item $player->ext_event ($type, %msg)
		1427
		1428	Sends an ext event to the client.
		1429
		1430	=cut
		1431
		1432	sub ext_event($$%) {
		1433	my ($self, $type, %msg) = @_;
		1434
		1435	$self->ns->ext_event ($type, %msg);
		1436	}
		1437
		1438	=head3 cf::region
		1439
		1440	=over 4
		1441
		1442	=cut
		1443
		1444	package cf::region;
		1445
		1446	=item cf::region::find_by_path $path
		1447
		1448	Tries to decuce the likely region for a map knowing only its path.
		1449
		1450	=cut
		1451
		1452	sub find_by_path($) {
962	my ($path) = @_;	1453	my ($path) = @_;
963		1454
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1455	my ($match, $specificity);
965	my $base = $1;
966	my $pkg = $1;
967	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";
969		1456
970	warn "loading '$path' into '$pkg'\n";	1457	for my $region (list) {
971		1458	if ($region->match && $path =~ $region->match) {
972	open my $fh, "<:utf8", $path	1459	($match, $specificity) = ($region, $region->specificity)
973	or die "$path: $!";	1460	if $region->specificity > $specificity;
974		1461	}
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	# }	1462	}
1004		1463
1005	# remove commands	1464	$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	}	1465	}
1111		1466
1112	=back	1467	=back
1113
1114		1468
1115	=head3 cf::map	1469	=head3 cf::map
1116		1470
1117	=over 4	1471	=over 4
1118		1472
…		…
1121	package cf::map;	1475	package cf::map;
1122		1476
1123	use Fcntl;	1477	use Fcntl;
1124	use Coro::AIO;	1478	use Coro::AIO;
1125		1479
		1480	use overload
		1481	'""' => \&as_string,
		1482	fallback => 1;
		1483
1126	our $MAX_RESET = 3600;	1484	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1485	our $DEFAULT_RESET = 3000;
1128		1486
1129	sub generate_random_map {	1487	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1488	my ($self, $rmp) = @_;
1131
1132	# mit "rum" bekleckern, nicht	1489	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1490	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1491	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1492	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1493	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1494	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1495	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1496	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1497	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1498	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1499	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1500	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(cf::region::find $rmp->{region})	1501	(cf::region::find $rmp->{region}), $rmp->{custom}
		1502	)
		1503	}
		1504
		1505	=item cf::map->register ($regex, $prio)
		1506
		1507	Register a handler for the map path matching the given regex at the
		1508	givne priority (higher is better, built-in handlers have priority 0, the
		1509	default).
		1510
		1511	=cut
		1512
		1513	sub register {
		1514	my (undef, $regex, $prio) = @_;
		1515	my $pkg = caller;
		1516
		1517	no strict;
		1518	push @{"$pkg\::ISA"}, __PACKAGE__;
		1519
		1520	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1521	}
		1522
		1523	# also paths starting with '/'
		1524	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1525
		1526	sub thawer_merge {
		1527	my ($self, $merge) = @_;
		1528
		1529	# we have to keep some variables in memory intact
		1530	local $self->{path};
		1531	local $self->{load_path};
		1532
		1533	$self->SUPER::thawer_merge ($merge);
		1534	}
		1535
		1536	sub normalise {
		1537	my ($path, $base) = @_;
		1538
		1539	$path = "$path"; # make sure its a string
		1540
		1541	$path =~ s/\.map$//;
		1542
		1543	# map plan:
		1544	#
		1545	# /! non-realised random map exit (special hack!)
		1546	# {... are special paths that are not being touched
		1547	# ?xxx/... are special absolute paths
		1548	# ?random/... random maps
		1549	# /... normal maps
		1550	# ~user/... per-player map of a specific user
		1551
		1552	$path =~ s/$PATH_SEP/\//go;
		1553
		1554	# treat it as relative path if it starts with
		1555	# something that looks reasonable
		1556	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1557	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1558
		1559	$base =~ s{[^/]+/?$}{};
		1560	$path = "$base/$path";
		1561	}
		1562
		1563	for ($path) {
		1564	redo if s{//}{/};
		1565	redo if s{/\.?/}{/};
		1566	redo if s{/[^/]+/\.\./}{/};
		1567	}
		1568
		1569	$path
		1570	}
		1571
		1572	sub new_from_path {
		1573	my (undef, $path, $base) = @_;
		1574
		1575	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1576
		1577	$path = normalise $path, $base;
		1578
		1579	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1580	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1581	my $self = bless cf::map::new, $pkg;
		1582	$self->{path} = $path; $self->path ($path);
		1583	$self->init; # pass $1 etc.
		1584	return $self;
		1585	}
		1586	}
		1587
		1588	Carp::carp "unable to resolve path '$path' (base '$base').";
		1589	()
		1590	}
		1591
		1592	sub init {
		1593	my ($self) = @_;
		1594
		1595	$self
		1596	}
		1597
		1598	sub as_string {
		1599	my ($self) = @_;
		1600
		1601	"$self->{path}"
		1602	}
		1603
		1604	# the displayed name, this is a one way mapping
		1605	sub visible_name {
		1606	&as_string
		1607	}
		1608
		1609	# the original (read-only) location
		1610	sub load_path {
		1611	my ($self) = @_;
		1612
		1613	"$MAPDIR/$self->{path}.map"
		1614	}
		1615
		1616	# the temporary/swap location
		1617	sub save_path {
		1618	my ($self) = @_;
		1619
		1620	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1621	"$TMPDIR/$path.map"
		1622	}
		1623
		1624	# the unique path, undef == no special unique path
		1625	sub uniq_path {
		1626	my ($self) = @_;
		1627
		1628	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1629	"$UNIQUEDIR/$path"
1146	}	1630	}
1147		1631
1148	# and all this just because we cannot iterate over	1632	# and all this just because we cannot iterate over
1149	# all maps in C++...	1633	# all maps in C++...
1150	sub change_all_map_light {	1634	sub change_all_map_light {
…		…
1152		1636
1153	$_->change_map_light ($change)	1637	$_->change_map_light ($change)
1154	for grep $_->outdoor, values %cf::MAP;	1638	for grep $_->outdoor, values %cf::MAP;
1155	}	1639	}
1156		1640
		1641	sub decay_objects {
		1642	my ($self) = @_;
		1643
		1644	return if $self->{deny_reset};
		1645
		1646	$self->do_decay_objects;
		1647	}
		1648
		1649	sub unlink_save {
		1650	my ($self) = @_;
		1651
		1652	utf8::encode (my $save = $self->save_path);
		1653	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1654	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1655	}
		1656
1157	sub try_load_header($) {	1657	sub load_header_from($) {
1158	my ($path) = @_;	1658	my ($self, $path) = @_;
1159		1659
1160	utf8::encode $path;	1660	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1661	#aio_open $path, O_RDONLY, 0
		1662	# or return;
		1663
		1664	$self->_load_header ($path)
1162	or return;	1665	or return;
1163		1666
1164	my $map = cf::map::new	1667	$self->{load_path} = $path;
		1668
		1669	1
		1670	}
		1671
		1672	sub load_header_orig {
		1673	my ($self) = @_;
		1674
		1675	$self->load_header_from ($self->load_path)
		1676	}
		1677
		1678	sub load_header_temp {
		1679	my ($self) = @_;
		1680
		1681	$self->load_header_from ($self->save_path)
		1682	}
		1683
		1684	sub prepare_temp {
		1685	my ($self) = @_;
		1686
		1687	$self->last_access ((delete $self->{last_access})
		1688	|| $cf::RUNTIME); #d#
		1689	# safety
		1690	$self->{instantiate_time} = $cf::RUNTIME
		1691	if $self->{instantiate_time} > $cf::RUNTIME;
		1692	}
		1693
		1694	sub prepare_orig {
		1695	my ($self) = @_;
		1696
		1697	$self->{load_original} = 1;
		1698	$self->{instantiate_time} = $cf::RUNTIME;
		1699	$self->last_access ($cf::RUNTIME);
		1700	$self->instantiate;
		1701	}
		1702
		1703	sub load_header {
		1704	my ($self) = @_;
		1705
		1706	if ($self->load_header_temp) {
		1707	$self->prepare_temp;
		1708	} else {
		1709	$self->load_header_orig
1165	or return;	1710	or return;
		1711	$self->prepare_orig;
		1712	}
1166		1713
1167	# for better error messages only, will be overwritten	1714	$self->{deny_reset} = 1
1168	$map->path ($path);	1715	if $self->no_reset;
1169		1716
1170	$map->load_header ($path)	1717	$self->default_region (cf::region::find_by_path $self->{path})
1171	or return;	1718	unless $self->default_region;
1172		1719
1173	$map->{load_path} = $path;	1720	1
1174
1175	$map
1176	}	1721	}
1177		1722
1178	sub find;	1723	sub find;
1179	sub find {	1724	sub find {
1180	my ($path, $origin) = @_;	1725	my ($path, $origin) = @_;
1181		1726
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1727	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1728
1187	cf::lock_wait "map_find:$key";	1729	cf::lock_wait "map_find:$path";
1188		1730
1189	$cf::MAP{$key} || do {	1731	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1732	my $guard = cf::lock_acquire "map_find:$path";
1191		1733	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;	1734	or return;
1211		1735
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;	1736	$map->{last_save} = $cf::RUNTIME;
1224		1737
1225	Coro::cede;	1738	$map->load_header
		1739	or return;
1226		1740
1227	if ($map->should_reset) {	1741	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1742	# doing this can freeze the server in a sync job, obviously
		1743	#$cf::WAIT_FOR_TICK->wait;
1228	$map->reset;	1744	$map->reset;
1229	undef $guard;	1745	undef $guard;
1230	$map = find $path	1746	return find $path;
1231	or return;
1232	}	1747	}
1233		1748
1234	$cf::MAP{$key} = $map	1749	$cf::MAP{$path} = $map
1235	}	1750	}
1236	}	1751	}
		1752
		1753	sub pre_load { }
		1754	sub post_load { }
1237		1755
1238	sub load {	1756	sub load {
1239	my ($self) = @_;	1757	my ($self) = @_;
1240		1758
		1759	local $self->{deny_reset} = 1; # loading can take a long time
		1760
1241	my $path = $self->{path};	1761	my $path = $self->{path};
		1762
		1763	{
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1764	my $guard = cf::lock_acquire "map_load:$path";
1243		1765
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1766	return if $self->in_memory != cf::MAP_SWAPPED;
1245		1767
1246	$self->in_memory (cf::MAP_LOADING);	1768	$self->in_memory (cf::MAP_LOADING);
1247		1769
1248	$self->alloc;	1770	$self->alloc;
		1771
		1772	$self->pre_load;
		1773	Coro::cede;
		1774
1249	$self->load_objects ($self->{load_path}, 1)	1775	$self->_load_objects ($self->{load_path}, 1)
1250	or return;	1776	or return;
1251		1777
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1778	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1779	if delete $self->{load_original};
1254		1780
1255	if (my $uniq = $path->uniq_path) {	1781	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1782	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1783	if (aio_open $uniq, O_RDONLY, 0) {
1258	$self->clear_unique_items;	1784	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1785	$self->_load_objects ($uniq, 0);
1260	}	1786	}
1261	}	1787	}
1262		1788
1263	Coro::cede;	1789	Coro::cede;
1264
1265	# now do the right thing for maps	1790	# now do the right thing for maps
1266	$self->link_multipart_objects;	1791	$self->link_multipart_objects;
1267
1268	if ($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)	1792	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	1793	unless $self->difficulty;
		1794	Coro::cede;
		1795
		1796	unless ($self->{deny_activate}) {
		1797	$self->decay_objects;
		1798	$self->fix_auto_apply;
		1799	$self->update_buttons;
		1800	Coro::cede;
		1801	$self->set_darkness_map;
		1802	Coro::cede;
1278	$self->activate;	1803	$self->activate;
1279	}	1804	}
1280		1805
1281	Coro::cede;
1282
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1806	$self->in_memory (cf::MAP_IN_MEMORY);
		1807	}
		1808
		1809	$self->post_load;
		1810	}
		1811
		1812	sub customise_for {
		1813	my ($self, $ob) = @_;
		1814
		1815	return find "~" . $ob->name . "/" . $self->{path}
		1816	if $self->per_player;
		1817
		1818	# return find "?party/" . $ob->name . "/" . $self->{path}
		1819	# if $self->per_party;
		1820
		1821	$self
		1822	}
		1823
		1824	# find and load all maps in the 3x3 area around a map
		1825	sub load_diag {
		1826	my ($map) = @_;
		1827
		1828	my @diag; # diagonal neighbours
		1829
		1830	for (0 .. 3) {
		1831	my $neigh = $map->tile_path ($_)
		1832	or next;
		1833	$neigh = find $neigh, $map
		1834	or next;
		1835	$neigh->load;
		1836
		1837	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1838	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1839	}
		1840
		1841	for (@diag) {
		1842	my $neigh = find @$_
		1843	or next;
		1844	$neigh->load;
		1845	}
1284	}	1846	}
1285		1847
1286	sub find_sync {	1848	sub find_sync {
1287	my ($path, $origin) = @_;	1849	my ($path, $origin) = @_;
1288		1850
1289	cf::sync_job { cf::map::find $path, $origin }	1851	cf::sync_job { find $path, $origin }
1290	}	1852	}
1291		1853
1292	sub do_load_sync {	1854	sub do_load_sync {
1293	my ($map) = @_;	1855	my ($map) = @_;
1294		1856
1295	cf::sync_job { $map->load };	1857	cf::sync_job { $map->load };
1296	}	1858	}
1297		1859
		1860	our %MAP_PREFETCH;
		1861	our $MAP_PREFETCHER = undef;
		1862
		1863	sub find_async {
		1864	my ($path, $origin) = @_;
		1865
		1866	$path = normalise $path, $origin && $origin->{path};
		1867
		1868	if (my $map = $cf::MAP{$path}) {
		1869	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1870	}
		1871
		1872	undef $MAP_PREFETCH{$path};
		1873	$MAP_PREFETCHER ||= cf::async {
		1874	while (%MAP_PREFETCH) {
		1875	for my $path (keys %MAP_PREFETCH) {
		1876	my $map = find $path
		1877	or next;
		1878	$map->load;
		1879
		1880	delete $MAP_PREFETCH{$path};
		1881	}
		1882	}
		1883	undef $MAP_PREFETCHER;
		1884	};
		1885	$MAP_PREFETCHER->prio (6);
		1886
		1887	()
		1888	}
		1889
1298	sub save {	1890	sub save {
1299	my ($self) = @_;	1891	my ($self) = @_;
1300		1892
1301	my $lock = cf::lock_acquire "map_data:" . $self->path;	1893	my $lock = cf::lock_acquire "map_data:" . $self->path;
1302		1894
1303	$self->{last_save} = $cf::RUNTIME;	1895	$self->{last_save} = $cf::RUNTIME;
1304		1896
1305	return unless $self->dirty;	1897	return unless $self->dirty;
1306		1898
1307	my $save = $self->{path}->save_path; utf8::encode $save;	1899	my $save = $self->save_path; utf8::encode $save;
1308	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1900	my $uniq = $self->uniq_path; utf8::encode $uniq;
1309		1901
1310	$self->{load_path} = $save;	1902	$self->{load_path} = $save;
1311		1903
1312	return if $self->{deny_save};	1904	return if $self->{deny_save};
1313		1905
1314	local $self->{last_access} = $self->last_access;#d#	1906	local $self->{last_access} = $self->last_access;#d#
1315		1907
		1908	cf::async {
		1909	$_->contr->save for $self->players;
		1910	};
		1911
1316	if ($uniq) {	1912	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1913	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1914	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1915	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1916	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1917	}
1322	}	1918	}
1323		1919
1324	sub swap_out {	1920	sub swap_out {
1325	my ($self) = @_;	1921	my ($self) = @_;
…		…
1339		1935
1340	sub reset_at {	1936	sub reset_at {
1341	my ($self) = @_;	1937	my ($self) = @_;
1342		1938
1343	# TODO: safety, remove and allow resettable per-player maps	1939	# TODO: safety, remove and allow resettable per-player maps
1344	return 1e99 if $self->{path}{user_rel};
1345	return 1e99 if $self->{deny_reset};	1940	return 1e99 if $self->{deny_reset};
1346		1941
1347	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1942	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1348	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1943	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1349		1944
…		…
1354	my ($self) = @_;	1949	my ($self) = @_;
1355		1950
1356	$self->reset_at <= $cf::RUNTIME	1951	$self->reset_at <= $cf::RUNTIME
1357	}	1952	}
1358		1953
1359	sub unlink_save {
1360	my ($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	$self->save;
1378	}
1379
1380	sub reset {	1954	sub reset {
1381	my ($self) = @_;	1955	my ($self) = @_;
1382		1956
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	1957	my $lock = cf::lock_acquire "map_data:$self->{path}";
1384		1958
1385	return if $self->players;	1959	return if $self->players;
1386	return if $self->{path}{user_rel};#d#
1387		1960
1388	warn "resetting map ", $self->path;#d#	1961	warn "resetting map ", $self->path;
		1962
		1963	$self->in_memory (cf::MAP_SWAPPED);
		1964
		1965	# need to save uniques path
		1966	unless ($self->{deny_save}) {
		1967	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1968
		1969	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1970	if $uniq;
		1971	}
1389		1972
1390	delete $cf::MAP{$self->path};	1973	delete $cf::MAP{$self->path};
		1974
		1975	$self->clear;
1391		1976
1392	$_->clear_links_to ($self) for values %cf::MAP;	1977	$_->clear_links_to ($self) for values %cf::MAP;
1393		1978
1394	$self->unlink_save;	1979	$self->unlink_save;
1395	$self->destroy;	1980	$self->destroy;
…		…
1398	my $nuke_counter = "aaaa";	1983	my $nuke_counter = "aaaa";
1399		1984
1400	sub nuke {	1985	sub nuke {
1401	my ($self) = @_;	1986	my ($self) = @_;
1402		1987
		1988	delete $cf::MAP{$self->path};
		1989
		1990	$self->unlink_save;
		1991
		1992	bless $self, "cf::map";
		1993	delete $self->{deny_reset};
1403	$self->{deny_save} = 1;	1994	$self->{deny_save} = 1;
1404	$self->reset_timeout (1);	1995	$self->reset_timeout (1);
1405	$self->rename ("{nuke}/" . ($nuke_counter++));	1996	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1997
		1998	$cf::MAP{$self->path} = $self;
		1999
1406	$self->reset; # polite request, might not happen	2000	$self->reset; # polite request, might not happen
1407	}	2001	}
1408		2002
1409	sub customise_for {	2003	=item $maps = cf::map::tmp_maps
1410	my ($map, $ob) = @_;
1411		2004
1412	if ($map->per_player) {	2005	Returns an arrayref with all map paths of currently instantiated and saved
1413	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2006	maps. May block.
		2007
		2008	=cut
		2009
		2010	sub tmp_maps() {
1414	}	2011	[
1415		2012	map {
1416	$map	2013	utf8::decode $_;
		2014	/\.map$/
		2015	? normalise $_
		2016	: ()
		2017	} @{ aio_readdir $TMPDIR or [] }
		2018	]
1417	}	2019	}
1418		2020
1419	sub emergency_save {	2021	=item $maps = cf::map::random_maps
1420	my $freeze_guard = cf::freeze_mainloop;
1421		2022
1422	warn "enter emergency map save\n";	2023	Returns an arrayref with all map paths of currently instantiated and saved
		2024	random maps. May block.
1423		2025
1424	cf::sync_job {	2026	=cut
1425	warn "begin emergency map save\n";
1426	$_->save for values %cf::MAP;
1427	};
1428		2027
1429	warn "end emergency map save\n";	2028	sub random_maps() {
		2029	[
		2030	map {
		2031	utf8::decode $_;
		2032	/\.map$/
		2033	? normalise "?random/$_"
		2034	: ()
		2035	} @{ aio_readdir $RANDOMDIR or [] }
		2036	]
		2037	}
		2038
		2039	=item cf::map::unique_maps
		2040
		2041	Returns an arrayref of paths of all shared maps that have
		2042	instantiated unique items. May block.
		2043
		2044	=cut
		2045
		2046	sub unique_maps() {
		2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $UNIQUEDIR or [] }
		2054	]
1430	}	2055	}
1431		2056
1432	package cf;	2057	package cf;
1433		2058
1434	=back	2059	=back
1435		2060
		2061	=head3 cf::object
		2062
		2063	=cut
		2064
		2065	package cf::object;
		2066
		2067	=over 4
		2068
		2069	=item $ob->inv_recursive
		2070
		2071	Returns the inventory of the object _and_ their inventories, recursively.
		2072
		2073	=cut
		2074
		2075	sub inv_recursive_;
		2076	sub inv_recursive_ {
		2077	map { $_, inv_recursive_ $_->inv } @_
		2078	}
		2079
		2080	sub inv_recursive {
		2081	inv_recursive_ inv $_[0]
		2082	}
		2083
		2084	package cf;
		2085
		2086	=back
1436		2087
1437	=head3 cf::object::player	2088	=head3 cf::object::player
1438		2089
1439	=over 4	2090	=over 4
1440		2091
…		…
1454		2105
1455	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2106	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1456		2107
1457	if ($self->{record_replies}) {	2108	if ($self->{record_replies}) {
1458	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2109	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2110
1459	} else {	2111	} else {
		2112	my $pl = $self->contr;
		2113
		2114	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2115	my $diag = $pl->{npc_dialog};
		2116	$diag->{pl}->ext_reply (
		2117	$diag->{id},
		2118	msgtype => "reply",
		2119	msg => $diag->{pl}->expand_cfpod ($msg),
		2120	add_topics => []
		2121	);
		2122
		2123	} else {
1460	$msg = $npc->name . " says: $msg" if $npc;	2124	$msg = $npc->name . " says: $msg" if $npc;
1461	$self->message ($msg, $flags);	2125	$self->message ($msg, $flags);
		2126	}
1462	}	2127	}
1463	}	2128	}
1464		2129
1465	=item $player_object->may ("access")	2130	=item $player_object->may ("access")
1466		2131
…		…
1480		2145
1481	=item $player_object->enter_link	2146	=item $player_object->enter_link
1482		2147
1483	Freezes the player and moves him/her to a special map (C<{link}>).	2148	Freezes the player and moves him/her to a special map (C<{link}>).
1484		2149
1485	The player should be reaosnably safe there for short amounts of time. You	2150	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.	2151	I<MUST> call C<leave_link> as soon as possible, though.
1487		2152
		2153	Will never block.
		2154
1488	=item $player_object->leave_link ($map, $x, $y)	2155	=item $player_object->leave_link ($map, $x, $y)
1489		2156
1490	Moves the player out of the specila link map onto the given map. If the	2157	Moves the player out of the special C<{link}> map onto the specified
1491	map is not valid (or omitted), the player will be moved back to the	2158	map. If the map is not valid (or omitted), the player will be moved back
1492	location he/she was before the call to C<enter_link>, or, if that fails,	2159	to the location he/she was before the call to C<enter_link>, or, if that
1493	to the emergency map position.	2160	fails, to the emergency map position.
1494		2161
1495	Might block.	2162	Might block.
1496		2163
1497	=cut	2164	=cut
		2165
		2166	sub link_map {
		2167	unless ($LINK_MAP) {
		2168	$LINK_MAP = cf::map::find "{link}"
		2169	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2170	$LINK_MAP->load;
		2171	}
		2172
		2173	$LINK_MAP
		2174	}
1498		2175
1499	sub cf::object::player::enter_link {	2176	sub cf::object::player::enter_link {
1500	my ($self) = @_;	2177	my ($self) = @_;
1501		2178
1502	$self->deactivate_recursive;	2179	$self->deactivate_recursive;
1503		2180
1504	return if $self->map == $LINK_MAP;	2181	return if UNIVERSAL::isa $self->map, "ext::map_link";
1505		2182
1506	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2183	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1507	if $self->map;	2184	if $self->map && $self->map->{path} ne "{link}";
1508		2185
1509	$self->enter_map ($LINK_MAP, 20, 20);	2186	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1510	}	2187	}
1511		2188
1512	sub cf::object::player::leave_link {	2189	sub cf::object::player::leave_link {
1513	my ($self, $map, $x, $y) = @_;	2190	my ($self, $map, $x, $y) = @_;
		2191
		2192	return unless $self->contr->active;
1514		2193
1515	my $link_pos = delete $self->{_link_pos};	2194	my $link_pos = delete $self->{_link_pos};
1516		2195
1517	unless ($map) {	2196	unless ($map) {
1518	# restore original map position	2197	# restore original map position
…		…
1532	# use -1 or undef as default coordinates, not 0, 0	2211	# use -1 or undef as default coordinates, not 0, 0
1533	($x, $y) = ($map->enter_x, $map->enter_y)	2212	($x, $y) = ($map->enter_x, $map->enter_y)
1534	if $x <=0 && $y <= 0;	2213	if $x <=0 && $y <= 0;
1535		2214
1536	$map->load;	2215	$map->load;
		2216	$map->load_diag;
1537		2217
		2218	return unless $self->contr->active;
1538	$self->activate_recursive;	2219	$self->activate_recursive;
		2220
		2221	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1539	$self->enter_map ($map, $x, $y);	2222	$self->enter_map ($map, $x, $y);
1540	}	2223	}
1541		2224
1542	cf::player->attach (
1543	on_logout => sub {
1544	my ($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)	2225	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1571		2226
		2227	Moves the player to the given map-path and coordinates by first freezing
		2228	her, loading and preparing them map, calling the provided $check callback
		2229	that has to return the map if sucecssful, and then unfreezes the player on
		2230	the new (success) or old (failed) map position.
		2231
1572	=cut	2232	=cut
		2233
		2234	our $GOTOGEN;
1573		2235
1574	sub cf::object::player::goto {	2236	sub cf::object::player::goto {
1575	my ($self, $path, $x, $y) = @_;	2237	my ($self, $path, $x, $y, $check) = @_;
		2238
		2239	# do generation counting so two concurrent goto's will be executed in-order
		2240	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1576		2241
1577	$self->enter_link;	2242	$self->enter_link;
1578		2243
1579	(cf::async {	2244	(async {
1580	$path = new cf::path $path;	2245	my $map = eval {
1581
1582	my $map = cf::map::find $path->as_string;	2246	my $map = cf::map::find $path;
		2247
		2248	if ($map) {
1583	$map = $map->customise_for ($self) if $map;	2249	$map = $map->customise_for ($self);
1584		2250	$map = $check->($map) if $check && $map;
1585	# warn "entering ", $map->path, " at ($x, $y)\n"	2251	} else {
1586	# if $map;
1587
1588	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2252	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2253	}
1589		2254
		2255	$map
		2256	};
		2257
		2258	if ($@) {
		2259	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2260	LOG llevError | logBacktrace, Carp::longmess $@;
		2261	}
		2262
		2263	if ($gen == $self->{_goto_generation}) {
		2264	delete $self->{_goto_generation};
1590	$self->leave_link ($map, $x, $y);	2265	$self->leave_link ($map, $x, $y);
		2266	}
1591	})->prio (1);	2267	})->prio (1);
1592	}	2268	}
1593		2269
1594	=item $player_object->enter_exit ($exit_object)	2270	=item $player_object->enter_exit ($exit_object)
1595		2271
…		…
1597		2273
1598	sub parse_random_map_params {	2274	sub parse_random_map_params {
1599	my ($spec) = @_;	2275	my ($spec) = @_;
1600		2276
1601	my $rmp = { # defaults	2277	my $rmp = { # defaults
1602	xsize => 10,	2278	xsize => (cf::rndm 15, 40),
1603	ysize => 10,	2279	ysize => (cf::rndm 15, 40),
		2280	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2281	#layout => string,
1604	};	2282	};
1605		2283
1606	for (split /\n/, $spec) {	2284	for (split /\n/, $spec) {
1607	my ($k, $v) = split /\s+/, $_, 2;	2285	my ($k, $v) = split /\s+/, $_, 2;
1608		2286
…		…
1612	$rmp	2290	$rmp
1613	}	2291	}
1614		2292
1615	sub prepare_random_map {	2293	sub prepare_random_map {
1616	my ($exit) = @_;	2294	my ($exit) = @_;
		2295
		2296	my $guard = cf::lock_acquire "exit_prepare:$exit";
1617		2297
1618	# all this does is basically replace the /! path by	2298	# all this does is basically replace the /! path by
1619	# a new random map path (?random/...) with a seed	2299	# a new random map path (?random/...) with a seed
1620	# that depends on the exit object	2300	# that depends on the exit object
1621		2301
1622	my $rmp = parse_random_map_params $exit->msg;	2302	my $rmp = parse_random_map_params $exit->msg;
1623		2303
1624	if ($exit->map) {	2304	if ($exit->map) {
1625	$rmp->{region} = $exit->map->region_name;	2305	$rmp->{region} = $exit->region->name;
1626	$rmp->{origin_map} = $exit->map->path;	2306	$rmp->{origin_map} = $exit->map->path;
1627	$rmp->{origin_x} = $exit->x;	2307	$rmp->{origin_x} = $exit->x;
1628	$rmp->{origin_y} = $exit->y;	2308	$rmp->{origin_y} = $exit->y;
1629	}	2309	}
1630		2310
1631	$rmp->{random_seed} ||= $exit->random_seed;	2311	$rmp->{random_seed} ||= $exit->random_seed;
1632		2312
1633	my $data = cf::to_json $rmp;	2313	my $data = cf::to_json $rmp;
1634	my $md5 = Digest::MD5::md5_hex $data;	2314	my $md5 = Digest::MD5::md5_hex $data;
		2315	my $meta = "$RANDOMDIR/$md5.meta";
1635		2316
1636	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2317	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1637	aio_write $fh, 0, (length $data), $data, 0;	2318	aio_write $fh, 0, (length $data), $data, 0;
		2319	undef $fh;
		2320	aio_rename "$meta~", $meta;
1638		2321
1639	$exit->slaying ("?random/$md5");	2322	$exit->slaying ("?random/$md5");
1640	$exit->msg (undef);	2323	$exit->msg (undef);
1641	}	2324	}
1642	}	2325	}
…		…
1644	sub cf::object::player::enter_exit {	2327	sub cf::object::player::enter_exit {
1645	my ($self, $exit) = @_;	2328	my ($self, $exit) = @_;
1646		2329
1647	return unless $self->type == cf::PLAYER;	2330	return unless $self->type == cf::PLAYER;
1648		2331
		2332	if ($exit->slaying eq "/!") {
		2333	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2334	# the problem is that $exit might not survive long enough
		2335	# so it needs to be done right now, right here
		2336	cf::sync_job { prepare_random_map $exit };
		2337	}
		2338
		2339	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2340	my $hp = $exit->stats->hp;
		2341	my $sp = $exit->stats->sp;
		2342
1649	$self->enter_link;	2343	$self->enter_link;
1650		2344
1651	(cf::async {	2345	(async {
1652	$self->deactivate_recursive; # just to be sure	2346	$self->deactivate_recursive; # just to be sure
1653	unless (eval {	2347	unless (eval {
1654	prepare_random_map $exit	2348	$self->goto ($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		2349
1660	1;	2350	1;
1661	}) {	2351	}) {
1662	$self->message ("Something went wrong deep within the crossfire server. "	2352	$self->message ("Something went wrong deep within the crossfire server. "
1663	. "I'll try to bring you back to the map you were before. "	2353	. "I'll try to bring you back to the map you were before. "
1664	. "Please report this to the dungeon master",	2354	. "Please report this to the dungeon master!",
1665	cf::NDI_UNIQUE | cf::NDI_RED);	2355	cf::NDI_UNIQUE | cf::NDI_RED);
1666		2356
1667	warn "ERROR in enter_exit: $@";	2357	warn "ERROR in enter_exit: $@";
1668	$self->leave_link;	2358	$self->leave_link;
1669	}	2359	}
1670	})->prio (1);	2360	})->prio (1);
…		…
1683		2373
1684	sub cf::client::send_drawinfo {	2374	sub cf::client::send_drawinfo {
1685	my ($self, $text, $flags) = @_;	2375	my ($self, $text, $flags) = @_;
1686		2376
1687	utf8::encode $text;	2377	utf8::encode $text;
1688	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2378	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1689	}	2379	}
1690		2380
		2381	=item $client->send_msg ($color, $type, $msg, [extra...])
		2382
		2383	Send a drawinfo or msg packet to the client, formatting the msg for the
		2384	client if neccessary. C<$type> should be a string identifying the type of
		2385	the message, with C<log> being the default. If C<$color> is negative, suppress
		2386	the message unless the client supports the msg packet.
		2387
		2388	=cut
		2389
		2390	sub cf::client::send_msg {
		2391	my ($self, $color, $type, $msg, @extra) = @_;
		2392
		2393	$msg = $self->pl->expand_cfpod ($msg);
		2394
		2395	if ($self->can_msg) {
		2396	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2397	} else {
		2398	# replace some tags by gcfclient-compatible ones
		2399	for ($msg) {
		2400	1 while
		2401	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2402	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2403	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2404	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2405	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2406	}
		2407
		2408	if ($color >= 0) {
		2409	if (0 && $msg =~ /\[/) {
		2410	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2411	} else {
		2412	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2413	$self->send_packet ("drawinfo $color $msg")
		2414	}
		2415	}
		2416	}
		2417	}
		2418
		2419	=item $client->ext_event ($type, %msg)
		2420
		2421	Sends an ext event to the client.
		2422
		2423	=cut
		2424
		2425	sub cf::client::ext_event($$%) {
		2426	my ($self, $type, %msg) = @_;
		2427
		2428	$msg{msgtype} = "event_$type";
		2429	$self->send_packet ("ext " . cf::to_json \%msg);
		2430	}
1691		2431
1692	=item $success = $client->query ($flags, "text", \&cb)	2432	=item $success = $client->query ($flags, "text", \&cb)
1693		2433
1694	Queues a query to the client, calling the given callback with	2434	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>,	2435	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>.	2436	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1697		2437
1698	Queries can fail, so check the return code. Or don't, as queries will become	2438	Queries can fail, so check the return code. Or don't, as queries will
1699	reliable at some point in the future.	2439	become reliable at some point in the future.
1700		2440
1701	=cut	2441	=cut
1702		2442
1703	sub cf::client::query {	2443	sub cf::client::query {
1704	my ($self, $flags, $text, $cb) = @_;	2444	my ($self, $flags, $text, $cb) = @_;
…		…
1712	utf8::encode $text;	2452	utf8::encode $text;
1713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2453	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1714		2454
1715	$self->send_packet ($self->{query_queue}[0][0])	2455	$self->send_packet ($self->{query_queue}[0][0])
1716	if @{ $self->{query_queue} } == 1;	2456	if @{ $self->{query_queue} } == 1;
		2457
		2458	1
1717	}	2459	}
1718		2460
1719	cf::client->attach (	2461	cf::client->attach (
1720	on_reply => sub {	2462	on_reply => sub {
1721	my ($ns, $msg) = @_;	2463	my ($ns, $msg) = @_;
…		…
1724	# get handled first	2466	# get handled first
1725	my $queue = delete $ns->{query_queue}	2467	my $queue = delete $ns->{query_queue}
1726	or return; # be conservative, not sure how that can happen, but we saw a crash here	2468	or return; # be conservative, not sure how that can happen, but we saw a crash here
1727		2469
1728	(shift @$queue)->[1]->($msg);	2470	(shift @$queue)->[1]->($msg);
		2471	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1729		2472
1730	push @{ $ns->{query_queue} }, @$queue;	2473	push @{ $ns->{query_queue} }, @$queue;
1731		2474
1732	if (@{ $ns->{query_queue} } == @$queue) {	2475	if (@{ $ns->{query_queue} } == @$queue) {
1733	if (@$queue) {	2476	if (@$queue) {
…		…
1735	} else {	2478	} else {
1736	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2479	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1737	}	2480	}
1738	}	2481	}
1739	},	2482	},
		2483	on_exticmd => sub {
		2484	my ($ns, $buf) = @_;
		2485
		2486	my $msg = eval { from_json $buf };
		2487
		2488	if (ref $msg) {
		2489	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2490	if (my %reply = $cb->($ns, $msg)) {
		2491	$reply{msgid} = $msg->{msgid};
		2492	$ns->send ("ext " . cf::to_json \%reply);
		2493	}
		2494	}
		2495	} else {
		2496	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2497	}
		2498
		2499	cf::override;
		2500	},
1740	);	2501	);
1741		2502
1742	=item $client->coro (\&cb)	2503	=item $client->async (\&cb)
1743		2504
1744	Create a new coroutine, running the specified callback. The coroutine will	2505	Create a new coroutine, running the specified callback. The coroutine will
1745	be automatically cancelled when the client gets destroyed (e.g. on logout,	2506	be automatically cancelled when the client gets destroyed (e.g. on logout,
1746	or loss of connection).	2507	or loss of connection).
1747		2508
1748	=cut	2509	=cut
1749		2510
1750	sub cf::client::coro {	2511	sub cf::client::async {
1751	my ($self, $cb) = @_;	2512	my ($self, $cb) = @_;
1752		2513
1753	my $coro = &cf::async ($cb);	2514	my $coro = &Coro::async ($cb);
1754		2515
1755	$coro->on_destroy (sub {	2516	$coro->on_destroy (sub {
1756	delete $self->{_coro}{$coro+0};	2517	delete $self->{_coro}{$coro+0};
1757	});	2518	});
1758		2519
…		…
1791		2552
1792	# here we export the classes and methods available to script code	2553	# here we export the classes and methods available to script code
1793		2554
1794	=pod	2555	=pod
1795		2556
1796	The following fucntions and emthods are available within a safe environment:	2557	The following functions and methods are available within a safe environment:
1797		2558
1798	cf::object contr pay_amount pay_player map	2559	cf::object contr pay_amount pay_player map
1799	cf::object::player player	2560	cf::object::player player
1800	cf::player peaceful	2561	cf::player peaceful
1801	cf::map trigger	2562	cf::map trigger
…		…
1882	=back	2643	=back
1883		2644
1884	=cut	2645	=cut
1885		2646
1886	#############################################################################	2647	#############################################################################
		2648	# the server's init and main functions
1887		2649
1888	=head2 EXTENSION DATABASE SUPPORT	2650	sub load_facedata($) {
		2651	my ($path) = @_;
1889		2652
1890	Crossfire maintains a very simple database for extension use. It can	2653	warn "loading facedata from $path\n";
1891	currently store anything that can be serialised using Storable, which
1892	excludes objects.
1893		2654
1894	The parameter C<$family> should best start with the name of the extension	2655	my $facedata;
1895	using it, it should be unique.	2656	0 < aio_load $path, $facedata
		2657	or die "$path: $!";
1896		2658
1897	=over 4	2659	$facedata = Coro::Storable::thaw $facedata;
1898		2660
1899	=item $hashref = cf::db_get $family	2661	$facedata->{version} == 2
		2662	or cf::cleanup "$path: version mismatch, cannot proceed.";
1900		2663
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	}	2664	{
		2665	my $faces = $facedata->{faceinfo};
1937		2666
1938	my $pid;	2667	while (my ($face, $info) = each %$faces) {
1939		2668	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1940	sub db_save() {	2669	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
1941	waitpid $pid, 0 if $pid;	2670	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
1942	if (0 == ($pid = fork)) {	2671	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
1943	$DB->{_meta}{version} = 1;	2672	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]} = $_[1];
1977	}
1978	db_dirty;
1979	}
1980
1981	cf::global->attach (
1982	prio => 10000,
1983	on_cleanup => sub {
1984	db_sync;
1985	},	2673	}
1986	);
1987	}
1988		2674
1989	#############################################################################	2675	while (my ($face, $info) = each %$faces) {
1990	# the server's main()	2676	next unless $info->{smooth};
		2677	my $idx = cf::face::find $face
		2678	or next;
		2679	if (my $smooth = cf::face::find $info->{smooth}) {
		2680	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2681	} else {
		2682	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2683	}
		2684	Coro::cede;
		2685	}
		2686	}
		2687
		2688	{
		2689	my $anims = $facedata->{animinfo};
		2690
		2691	while (my ($anim, $info) = each %$anims) {
		2692	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2693	Coro::cede;
		2694	}
		2695
		2696	cf::anim::invalidate_all; # d'oh
		2697	}
		2698
		2699	1
		2700	}
		2701
		2702	sub reload_regions {
		2703	load_resource_file "$MAPDIR/regions"
		2704	or die "unable to load regions file\n";
		2705	}
		2706
		2707	sub reload_facedata {
		2708	load_facedata "$DATADIR/facedata"
		2709	or die "unable to load facedata\n";
		2710	}
		2711
		2712	sub reload_archetypes {
		2713	load_resource_file "$DATADIR/archetypes"
		2714	or die "unable to load archetypes\n";
		2715	}
		2716
		2717	sub reload_treasures {
		2718	load_resource_file "$DATADIR/treasures"
		2719	or die "unable to load treasurelists\n";
		2720	}
		2721
		2722	sub reload_resources {
		2723	warn "reloading resource files...\n";
		2724
		2725	reload_regions;
		2726	reload_facedata;
		2727	#reload_archetypes;#d#
		2728	reload_archetypes;
		2729	reload_treasures;
		2730
		2731	warn "finished reloading resource files\n";
		2732	}
		2733
		2734	sub init {
		2735	reload_resources;
		2736	}
1991		2737
1992	sub cfg_load {	2738	sub cfg_load {
1993	open my $fh, "<:utf8", cf::confdir . "/config"	2739	open my $fh, "<:utf8", "$CONFDIR/config"
1994	or return;	2740	or return;
1995		2741
1996	local $/;	2742	local $/;
1997	*CFG = YAML::Syck::Load <$fh>;	2743	*CFG = YAML::Syck::Load <$fh>;
1998		2744
1999	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2745	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2000		2746
		2747	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2748	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2749
2001	if (exists $CFG{mlockall}) {	2750	if (exists $CFG{mlockall}) {
2002	eval {	2751	eval {
2003	$CFG{mlockall} ? &mlockall : &munlockall	2752	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2004	and die "WARNING: m(un)lockall failed: $!\n";	2753	and die "WARNING: m(un)lockall failed: $!\n";
2005	};	2754	};
2006	warn $@ if $@;	2755	warn $@ if $@;
2007	}	2756	}
2008	}	2757	}
2009		2758
2010	sub main {	2759	sub main {
2011	# we must not ever block the main coroutine	2760	# we must not ever block the main coroutine
2012	local $Coro::idle = sub {	2761	local $Coro::idle = sub {
2013	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2762	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2014	(Coro::unblock_sub {	2763	(async {
2015	Event::one_event;	2764	Event::one_event;
2016	})->();	2765	})->prio (Coro::PRIO_MAX);
2017	};	2766	};
2018		2767
2019	cfg_load;	2768	cfg_load;
2020	db_load;	2769	db_init;
2021	load_extensions;	2770	load_extensions;
		2771
		2772	$TICK_WATCHER->start;
2022	Event::loop;	2773	Event::loop;
2023	}	2774	}
2024		2775
2025	#############################################################################	2776	#############################################################################
2026	# initialisation	2777	# initialisation and cleanup
2027		2778
		2779	# install some emergency cleanup handlers
		2780	BEGIN {
		2781	for my $signal (qw(INT HUP TERM)) {
		2782	Event->signal (
		2783	reentrant => 0,
		2784	data => WF_AUTOCANCEL,
		2785	signal => $signal,
		2786	prio => 0,
		2787	cb => sub {
		2788	cf::cleanup "SIG$signal";
		2789	},
		2790	);
		2791	}
		2792	}
		2793
		2794	sub write_runtime {
		2795	my $runtime = "$LOCALDIR/runtime";
		2796
		2797	# first touch the runtime file to show we are still running:
		2798	# the fsync below can take a very very long time.
		2799
		2800	IO::AIO::aio_utime $runtime, undef, undef;
		2801
		2802	my $guard = cf::lock_acquire "write_runtime";
		2803
		2804	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2805	or return;
		2806
		2807	my $value = $cf::RUNTIME + 90 + 10;
		2808	# 10 is the runtime save interval, for a monotonic clock
		2809	# 60 allows for the watchdog to kill the server.
		2810
		2811	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2812	and return;
		2813
		2814	# always fsync - this file is important
		2815	aio_fsync $fh
		2816	and return;
		2817
		2818	# touch it again to show we are up-to-date
		2819	aio_utime $fh, undef, undef;
		2820
		2821	close $fh
		2822	or return;
		2823
		2824	aio_rename "$runtime~", $runtime
		2825	and return;
		2826
		2827	warn "runtime file written.\n";
		2828
		2829	1
		2830	}
		2831
		2832	sub emergency_save() {
		2833	my $freeze_guard = cf::freeze_mainloop;
		2834
		2835	warn "enter emergency perl save\n";
		2836
		2837	cf::sync_job {
		2838	# use a peculiar iteration method to avoid tripping on perl
		2839	# refcount bugs in for. also avoids problems with players
		2840	# and maps saved/destroyed asynchronously.
		2841	warn "begin emergency player save\n";
		2842	for my $login (keys %cf::PLAYER) {
		2843	my $pl = $cf::PLAYER{$login} or next;
		2844	$pl->valid or next;
		2845	$pl->save;
		2846	}
		2847	warn "end emergency player save\n";
		2848
		2849	warn "begin emergency map save\n";
		2850	for my $path (keys %cf::MAP) {
		2851	my $map = $cf::MAP{$path} or next;
		2852	$map->valid or next;
		2853	$map->save;
		2854	}
		2855	warn "end emergency map save\n";
		2856
		2857	warn "begin emergency database checkpoint\n";
		2858	BDB::db_env_txn_checkpoint $DB_ENV;
		2859	warn "end emergency database checkpoint\n";
		2860	};
		2861
		2862	warn "leave emergency perl save\n";
		2863	}
		2864
		2865	sub post_cleanup {
		2866	my ($make_core) = @_;
		2867
		2868	warn Carp::longmess "post_cleanup backtrace"
		2869	if $make_core;
		2870	}
		2871
2028	sub reload() {	2872	sub do_reload_perl() {
2029	# can/must only be called in main	2873	# can/must only be called in main
2030	if ($Coro::current != $Coro::main) {	2874	if ($Coro::current != $Coro::main) {
2031	warn "can only reload from main coroutine\n";	2875	warn "can only reload from main coroutine";
2032	return;	2876	return;
2033	}	2877	}
2034		2878
2035	warn "reloading...";	2879	warn "reloading...";
2036		2880
2037	my $guard = freeze_mainloop;	2881	warn "entering sync_job";
		2882
		2883	cf::sync_job {
		2884	cf::write_runtime; # external watchdog should not bark
2038	cf::emergency_save;	2885	cf::emergency_save;
		2886	cf::write_runtime; # external watchdog should not bark
2039		2887
2040	eval {	2888	warn "syncing database to disk";
		2889	BDB::db_env_txn_checkpoint $DB_ENV;
		2890
2041	# if anything goes wrong in here, we should simply crash as we already saved	2891	# if anything goes wrong in here, we should simply crash as we already saved
2042		2892
2043	# cancel all watchers	2893	warn "cancelling all WF_AUTOCANCEL watchers";
2044	for (Event::all_watchers) {	2894	for (Event::all_watchers) {
2045	$_->cancel if $_->data & WF_AUTOCANCEL;	2895	$_->cancel if $_->data & WF_AUTOCANCEL;
2046	}	2896	}
2047		2897
		2898	warn "flushing outstanding aio requests";
		2899	for (;;) {
		2900	BDB::flush;
		2901	IO::AIO::flush;
		2902	Coro::cede;
		2903	last unless IO::AIO::nreqs || BDB::nreqs;
		2904	warn "iterate...";
		2905	}
		2906
		2907	++$RELOAD;
		2908
2048	# cancel all extension coros	2909	warn "cancelling all extension coros";
2049	$_->cancel for values %EXT_CORO;	2910	$_->cancel for values %EXT_CORO;
2050	%EXT_CORO = ();	2911	%EXT_CORO = ();
2051		2912
2052	# unload all extensions	2913	warn "removing commands";
2053	for (@exts) {	2914	%COMMAND = ();
		2915
		2916	warn "removing ext/exti commands";
		2917	%EXTCMD = ();
		2918	%EXTICMD = ();
		2919
		2920	warn "unloading/nuking all extensions";
		2921	for my $pkg (@EXTS) {
2054	warn "unloading <$_>";	2922	warn "... unloading $pkg";
2055	unload_extension $_;	2923
		2924	if (my $cb = $pkg->can ("unload")) {
		2925	eval {
		2926	$cb->($pkg);
		2927	1
		2928	} or warn "$pkg unloaded, but with errors: $@";
2056	}	2929	}
2057		2930
		2931	warn "... nuking $pkg";
		2932	Symbol::delete_package $pkg;
		2933	}
		2934
2058	# unload all modules loaded from $LIBDIR	2935	warn "unloading all perl modules loaded from $LIBDIR";
2059	while (my ($k, $v) = each %INC) {	2936	while (my ($k, $v) = each %INC) {
2060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2937	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2061		2938
2062	warn "removing <$k>";	2939	warn "... unloading $k";
2063	delete $INC{$k};	2940	delete $INC{$k};
2064		2941
2065	$k =~ s/\.pm$//;	2942	$k =~ s/\.pm$//;
2066	$k =~ s/\//::/g;	2943	$k =~ s/\//::/g;
2067		2944
…		…
2070	}	2947	}
2071		2948
2072	Symbol::delete_package $k;	2949	Symbol::delete_package $k;
2073	}	2950	}
2074		2951
2075	# sync database to disk
2076	cf::db_sync;
2077	IO::AIO::flush;
2078
2079	# get rid of safe::, as good as possible	2952	warn "getting rid of safe::, as good as possible";
2080	Symbol::delete_package "safe::$_"	2953	Symbol::delete_package "safe::$_"
2081	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2954	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2082		2955
2083	# remove register_script_function callbacks
2084	# TODO
2085
2086	# unload cf.pm "a bit"	2956	warn "unloading cf.pm \"a bit\"";
2087	delete $INC{"cf.pm"};	2957	delete $INC{"cf.pm"};
		2958	delete $INC{"cf/pod.pm"};
2088		2959
2089	# don't, removes xs symbols, too,	2960	# don't, removes xs symbols, too,
2090	# and global variables created in xs	2961	# and global variables created in xs
2091	#Symbol::delete_package __PACKAGE__;	2962	#Symbol::delete_package __PACKAGE__;
2092		2963
2093	# reload cf.pm	2964	warn "unload completed, starting to reload now";
		2965
2094	warn "reloading cf.pm";	2966	warn "reloading cf.pm";
2095	require cf;	2967	require cf;
2096	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2968	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2097		2969
2098	# load config and database again	2970	warn "loading config and database again";
2099	cf::cfg_load;	2971	cf::cfg_load;
2100	cf::db_load;
2101		2972
2102	# load extensions
2103	warn "load extensions";	2973	warn "loading extensions";
2104	cf::load_extensions;	2974	cf::load_extensions;
2105		2975
2106	# reattach attachments to objects	2976	warn "reattaching attachments to objects/players";
2107	warn "reattach";	2977	_global_reattach; # objects, sockets
2108	_global_reattach;	2978	warn "reattaching attachments to maps";
2109	};	2979	reattach $_ for values %MAP;
		2980	warn "reattaching attachments to players";
		2981	reattach $_ for values %PLAYER;
2110		2982
2111	if ($@) {	2983	warn "leaving sync_job";
		2984
		2985	1
		2986	} or do {
2112	warn $@;	2987	warn $@;
2113	warn "error while reloading, exiting.";	2988	warn "error while reloading, exiting.";
2114	exit 1;	2989	exit 1;
2115	}	2990	};
2116		2991
2117	warn "reloaded successfully";	2992	warn "reloaded";
2118	};	2993	};
2119		2994
2120	#############################################################################	2995	our $RELOAD_WATCHER; # used only during reload
2121		2996
2122	unless ($LINK_MAP) {	2997	sub reload_perl() {
2123	$LINK_MAP = cf::map::new;	2998	# doing reload synchronously and two reloads happen back-to-back,
		2999	# coro crashes during coro_state_free->destroy here.
2124		3000
2125	$LINK_MAP->width (41);	3001	$RELOAD_WATCHER ||= Event->timer (
2126	$LINK_MAP->height (41);	3002	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,	3003	after => 0,
		3004	data => WF_AUTOCANCEL,
2135	cb => sub {	3005	cb => sub {
2136	$_[0]->w->cancel;	3006	do_reload_perl;
2137		3007	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	});	3008	},
2156		3009	);
2157	$LINK_MAP->{deny_save} = 1;
2158	$LINK_MAP->{deny_reset} = 1;
2159
2160	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2161	}	3010	}
2162
2163	register "<global>", __PACKAGE__;
2164		3011
2165	register_command "reload" => sub {	3012	register_command "reload" => sub {
2166	my ($who, $arg) = @_;	3013	my ($who, $arg) = @_;
2167		3014
2168	if ($who->flag (FLAG_WIZ)) {	3015	if ($who->flag (FLAG_WIZ)) {
2169	$who->message ("start of reload.");
2170	reload;
2171	$who->message ("end of reload.");	3016	$who->message ("reloading server.");
		3017	async { reload_perl };
2172	}	3018	}
2173	};	3019	};
2174		3020
2175	unshift @INC, $LIBDIR;	3021	unshift @INC, $LIBDIR;
2176		3022
		3023	my $bug_warning = 0;
		3024
		3025	our @WAIT_FOR_TICK;
		3026	our @WAIT_FOR_TICK_BEGIN;
		3027
		3028	sub wait_for_tick {
		3029	return unless $TICK_WATCHER->is_active;
		3030	return if $Coro::current == $Coro::main;
		3031
		3032	my $signal = new Coro::Signal;
		3033	push @WAIT_FOR_TICK, $signal;
		3034	$signal->wait;
		3035	}
		3036
		3037	sub wait_for_tick_begin {
		3038	return unless $TICK_WATCHER->is_active;
		3039	return if $Coro::current == $Coro::main;
		3040
		3041	my $signal = new Coro::Signal;
		3042	push @WAIT_FOR_TICK_BEGIN, $signal;
		3043	$signal->wait;
		3044	}
		3045
		3046	my $min = 1e6;#d#
		3047	my $avg = 10;
2177	$TICK_WATCHER = Event->timer (	3048	$TICK_WATCHER = Event->timer (
2178	reentrant => 0,	3049	reentrant => 0,
		3050	parked => 1,
2179	prio => 0,	3051	prio => 0,
2180	at => $NEXT_TICK || $TICK,	3052	at => $NEXT_TICK || $TICK,
2181	data => WF_AUTOCANCEL,	3053	data => WF_AUTOCANCEL,
2182	cb => sub {	3054	cb => sub {
		3055	if ($Coro::current != $Coro::main) {
		3056	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3057	unless ++$bug_warning > 10;
		3058	return;
		3059	}
		3060
		3061	$NOW = $tick_start = Event::time;
		3062
2183	cf::server_tick; # one server iteration	3063	cf::server_tick; # one server iteration
		3064
		3065	0 && sync_job {#d#
		3066	for(1..10) {
		3067	my $t = Event::time;
		3068	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3069	or die;
		3070
		3071	$map->width (50);
		3072	$map->height (50);
		3073	$map->alloc;
		3074	$map->_load_objects ("/tmp/x.map", 1);
		3075	my $t = Event::time - $t;
		3076
		3077	#next unless $t < 0.0013;#d#
		3078	if ($t < $min) {
		3079	$min = $t;
		3080	}
		3081	$avg = $avg * 0.99 + $t * 0.01;
		3082	}
		3083	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3084	exit 0;
		3085	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3086	};
		3087
2184	$RUNTIME += $TICK;	3088	$RUNTIME += $TICK;
2185	$NEXT_TICK += $TICK;	3089	$NEXT_TICK += $TICK;
2186		3090
		3091	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3092	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3093	Coro::async_pool {
		3094	write_runtime
		3095	or warn "ERROR: unable to write runtime file: $!";
		3096	};
		3097	}
		3098
		3099	# my $AFTER = Event::time;
		3100	# warn $AFTER - $NOW;#d#
		3101
		3102	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3103	$sig->send;
		3104	}
		3105	while (my $sig = shift @WAIT_FOR_TICK) {
		3106	$sig->send;
		3107	}
		3108
		3109	$NOW = Event::time;
		3110
2187	# if we are delayed by four ticks or more, skip them all	3111	# if we are delayed by four ticks or more, skip them all
2188	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3112	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2189		3113
2190	$TICK_WATCHER->at ($NEXT_TICK);	3114	$TICK_WATCHER->at ($NEXT_TICK);
2191	$TICK_WATCHER->start;	3115	$TICK_WATCHER->start;
		3116
		3117	$LOAD = ($NOW - $tick_start) / $TICK;
		3118	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3119
		3120	_post_tick;
		3121
		3122
2192	},	3123	},
2193	);	3124	);
2194		3125
		3126	{
2195	IO::AIO::max_poll_time $TICK * 0.2;	3127	BDB::max_poll_time $TICK * 0.1;
2196		3128	$BDB_POLL_WATCHER = Event->io (
2197	Event->io (	3129	reentrant => 0,
2198	fd => IO::AIO::poll_fileno,	3130	fd => BDB::poll_fileno,
2199	poll => 'r',	3131	poll => 'r',
2200	prio => 5,	3132	prio => 0,
2201	data => WF_AUTOCANCEL,
2202	cb => \&IO::AIO::poll_cb,
2203	);
2204
2205	Event->timer (
2206	data => WF_AUTOCANCEL,	3133	data => WF_AUTOCANCEL,
2207	after => 0,	3134	cb => \&BDB::poll_cb,
2208	interval => 10,	3135	);
2209	cb => sub {	3136	BDB::min_parallel 8;
2210	(Coro::unblock_sub {	3137
2211	write_runtime	3138	BDB::set_sync_prepare {
2212	or warn "ERROR: unable to write runtime file: $!";	3139	my $status;
		3140	my $current = $Coro::current;
		3141	(
		3142	sub {
		3143	$status = $!;
		3144	$current->ready; undef $current;
		3145	},
		3146	sub {
		3147	Coro::schedule while defined $current;
		3148	$! = $status;
		3149	},
		3150	)
		3151	};
		3152
		3153	unless ($DB_ENV) {
		3154	$DB_ENV = BDB::db_env_create;
		3155
		3156	cf::sync_job {
		3157	eval {
		3158	BDB::db_env_open
		3159	$DB_ENV,
		3160	$BDBDIR,
		3161	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3162	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3163	0666;
		3164
		3165	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3166
		3167	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3168	$DB_ENV->set_lk_detect;
		3169	};
		3170
		3171	cf::cleanup "db_env_open(db): $@" if $@;
2213	})->();	3172	};
2214	},	3173	}
2215	);	3174	}
		3175
		3176	{
		3177	IO::AIO::min_parallel 8;
		3178
		3179	undef $Coro::AIO::WATCHER;
		3180	IO::AIO::max_poll_time $TICK * 0.1;
		3181	$AIO_POLL_WATCHER = Event->io (
		3182	reentrant => 0,
		3183	data => WF_AUTOCANCEL,
		3184	fd => IO::AIO::poll_fileno,
		3185	poll => 'r',
		3186	prio => 6,
		3187	cb => \&IO::AIO::poll_cb,
		3188	);
		3189	}
		3190
		3191	my $_log_backtrace;
		3192
		3193	sub _log_backtrace {
		3194	my ($msg, @addr) = @_;
		3195
		3196	$msg =~ s/\n//;
		3197
		3198	# limit the # of concurrent backtraces
		3199	if ($_log_backtrace < 2) {
		3200	++$_log_backtrace;
		3201	async {
		3202	my @bt = fork_call {
		3203	@addr = map { sprintf "%x", $_ } @addr;
		3204	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3205	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3206	or die "addr2line: $!";
		3207
		3208	my @funcs;
		3209	my @res = <$fh>;
		3210	chomp for @res;
		3211	while (@res) {
		3212	my ($func, $line) = splice @res, 0, 2, ();
		3213	push @funcs, "[$func] $line";
		3214	}
		3215
		3216	@funcs
		3217	};
		3218
		3219	LOG llevInfo, "[ABT] $msg\n";
		3220	LOG llevInfo, "[ABT] $_\n" for @bt;
		3221	--$_log_backtrace;
		3222	};
		3223	} else {
		3224	LOG llevInfo, "[ABT] $msg\n";
		3225	LOG llevInfo, "[ABT] [suppressed]\n";
		3226	}
		3227	}
		3228
		3229	# load additional modules
		3230	use cf::pod;
2216		3231
2217	END { cf::emergency_save }	3232	END { cf::emergency_save }
2218		3233
2219	1	3234	1
2220		3235

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