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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.292 by root, Tue Jul 3 00:54:57 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 ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
26		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
27	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
28		42
29	# 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?
30	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
31		45
32	$Coro::main->prio (Coro::PRIO_MAX); # 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
33		47
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		49
36	our %COMMAND = ();	50	our %COMMAND = ();
37	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
		52
		53	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
		56	our %EXT_CORO = (); # coroutines bound to extensions
		57	our %EXT_MAP = (); # pluggable maps
39		58
		59	our $RELOAD; # number of reloads so far
40	our @EVENT;	60	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		61
43	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(!)
44	our $TICK_WATCHER;	75	our $TICK_WATCHER;
		76	our $AIO_POLL_WATCHER;
		77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	78	our $NEXT_TICK;
46	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;
47		84
48	our %CFG;	85	our %CFG;
49		86
50	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	88	our $RUNTIME;
52		89
53	our %PLAYER; # all users	90	our %PLAYER; # all users
54	our %MAP; # all maps	91	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	92	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	93
57	our %EXT_CORO; # coroutines bound to extensions	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 $tick_start; # for load detecting purposes
58		100
59	binmode STDOUT;	101	binmode STDOUT;
60	binmode STDERR;	102	binmode STDERR;
61		103
62	# read virtual server time, if available	104	# read virtual server time, if available
63	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
64	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
65	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
66	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
67	}	109	}
68		110
69	mkdir cf::localdir;	111	mkdir $_
70	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
71	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;
74		113
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
		115
		116	sub cf::map::normalise;
78		117
79	#############################################################################	118	#############################################################################
80		119
81	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
82		121
…		…
89	=item $cf::RUNTIME	128	=item $cf::RUNTIME
90		129
91	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
92	every server tick.	131	every server tick.
93		132
94	=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
95		136
96	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		141
99	=item $cf::NOW	142	=item $cf::NOW
100		143
101	The time of the last (current) server tick.	144	The time of the last (current) server tick.
102		145
103	=item $cf::TICK	146	=item $cf::TICK
104		147
105	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.
106		159
107	=item %cf::CFG	160	=item %cf::CFG
108		161
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	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.
111		170
112	=back	171	=back
113		172
114	=cut	173	=cut
115		174
116	BEGIN {	175	BEGIN {
117	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	177	my $msg = join "", @_;
119	utf8::encode $msg;
120		178
121	$msg .= "\n"	179	$msg .= "\n"
122	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
123		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
124	LOG llevError, $msg;	185	LOG llevError, $msg;
125	};	186	};
126	}	187	}
127		188
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@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';
133	@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)
134		196
135	# 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
136	# within the Safe compartment.	198	# within the Safe compartment.
137	for my $pkg (qw(	199	for my $pkg (qw(
138	cf::global cf::attachable	200	cf::global cf::attachable
…		…
147		209
148	$Event::DIED = sub {	210	$Event::DIED = sub {
149	warn "error in event callback: @_";	211	warn "error in event callback: @_";
150	};	212	};
151		213
152	my %ext_pkg;	214	#############################################################################
153	my @exts;
154	my @hook;
155		215
156	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
157		217
158	=over 4	218	=over 4
159		219
…		…
178	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
179	$d	239	$d
180	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
181	}	241	}
182		242
183	use JSON::Syck (); # TODO# replace by JSON::PC once working
184
185	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
186		244
187	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
188		246
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
197		248
198	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
199		250
200	=cut	251	=cut
201		252
202	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
204	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
205	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
206		257
207	=item cf::lock_wait $string	258	=item cf::lock_wait $string
208		259
209	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
210		261
…		…
216	returned.	267	returned.
217		268
218	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
219	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
220		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
221	=cut	276	=cut
222		277
223	our %LOCK;	278	our %LOCK;
224		279
225	sub lock_wait($) {	280	sub lock_wait($) {
…		…
244	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
246	}	301	}
247	}	302	}
248		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
249	sub freeze_mainloop {	310	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
251		312
252	my $guard = Coro::guard { $TICK_WATCHER->start };	313	my $guard = Coro::guard {
		314	$TICK_WATCHER->start;
		315	};
253	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
254	$guard	317	$guard
255	}	318	}
256		319
257	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
264		327
265	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
266		329
267	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
268		331
269	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
270	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
271	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
272		336
273	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
274	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
275	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
276	fast or be very important.	340	fast or be very important.
…		…
279		343
280	sub sync_job(&) {	344	sub sync_job(&) {
281	my ($job) = @_;	345	my ($job) = @_;
282		346
283	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
284	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
285	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
286		352
287	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
288	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
299		365
300	while ($busy) {	366	while ($busy) {
301	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
302	}	368	}
303		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
		376
304	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
305	} else {	378	} else {
306	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
307		380
308	$job->()	381	$job->()
309	}	382	}
310	}	383	}
311		384
312	=item $coro = cf::async_ext { BLOCK }	385	=item $coro = cf::async_ext { BLOCK }
313		386
314	Like async, but this coro is automcatially being canceled when the	387	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	388	extension calling this is being unloaded.
316		389
317	=cut	390	=cut
318		391
319	sub async_ext(&) {	392	sub async_ext(&) {
…		…
327	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
328		401
329	$coro	402	$coro
330	}	403	}
331		404
332	sub write_runtime {	405	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		406
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
336	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.
337		411
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	412	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		413
342	aio_fsync $fh	414	sub fork_call(&@) {
343	and return;	415	my ($cb, @args) = @_;
344		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) {
345	close $fh	423	close $fh2;
346	or return;
347		424
348	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
349	and return;	426	$res = Coro::Storable::thaw $res;
350		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
351	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		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 });
352	}	574	}
353		575
354	=back	576	=back
355		577
356	=cut	578	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		579
480	#############################################################################	580	#############################################################################
481		581
482	=head2 ATTACHABLE OBJECTS	582	=head2 ATTACHABLE OBJECTS
483		583
…		…
485	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")
486	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
487		587
488	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>
489	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
490	crossfire+).	590	Crossfire TRT).
491		591
492	=over 4	592	=over 4
493		593
494	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
495		595
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	709	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	710	our @CB_MAP = ();
611		711
612	my %attachment;	712	my %attachment;
613		713
		714	sub cf::attachable::thawer_merge {
		715	# simply override everything except _meta
		716	local $_[0]{_meta};
		717	%{$_[0]} = %{$_[1]};
		718	}
		719
614	sub _attach_cb($$$$) {	720	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	721	my ($registry, $event, $prio, $cb) = @_;
616		722
617	use sort 'stable';	723	use sort 'stable';
618		724
…		…
652	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
653		759
654	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
655	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
656	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
657	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
658		764
659	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
660	my $pkg = shift @arg;	766	my $pkg = shift @arg;
661		767
662	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
691	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
692	}	798	}
693		799
694	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
695	} else {	801	} else {
696	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
697	}	803	}
698		804
699	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
700	}	806	}
701		807
…		…
703	if (ref $_[0]) {	809	if (ref $_[0]) {
704	_object_attach @_;	810	_object_attach @_;
705	} else {	811	} else {
706	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
707	}	813	}
		814	_recalc_want;
708	};	815	};
709		816
710	# all those should be optimised	817	# all those should be optimised
711	sub cf::attachable::detach {	818	sub cf::attachable::detach {
712	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
715	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
716	reattach ($obj);	823	reattach ($obj);
717	} else {	824	} else {
718	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
719	}	826	}
		827	_recalc_want;
720	};	828	};
721		829
722	sub cf::attachable::attached {	830	sub cf::attachable::attached {
723	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
724		832
…		…
789	# object support	897	# object support
790		898
791	sub reattach {	899	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	900	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	901	my ($obj) = @_;
		902
		903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		904
795	my $registry = $obj->registry;	905	my $registry = $obj->registry;
796		906
797	@$registry = ();	907	@$registry = ();
798		908
…		…
845	$filename, length $$rdata, scalar @$objs;	955	$filename, length $$rdata, scalar @$objs;
846		956
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	960	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	961	close $fh;
852		962
853	if (@$objs) {	963	if (@$objs) {
854	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) {
855	chmod SAVE_MODE, $fh;	965	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	966	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	967	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	968	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	969	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	970	aio_rename "$filename.pst~", "$filename.pst";
861	}	971	}
862	} else {	972	} else {
863	aio_unlink "$filename.pst";	973	aio_unlink "$filename.pst";
…		…
895	or return;	1005	or return;
896	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
897	}	1007	}
898		1008
899	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
900	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
901	return ($data, $av);	1011	return ($data, $av);
902	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
903		1019
904	#############################################################################	1020	#############################################################################
905	# command handling &c	1021	# command handling &c
906		1022
907	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
920	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
921	}	1037	}
922		1038
923	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
924		1040
925	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.
926		1046
927	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
928	called.	1048	called.
929		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
930	=cut	1061	=cut
931		1062
932	sub register_extcmd {	1063	sub register_extcmd {
933	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
934		1065
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
939	}	1073	}
940		1074
941	cf::player->attach (	1075	cf::player->attach (
942	on_command => sub {	1076	on_command => sub {
943	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
952	cf::override;	1086	cf::override;
953	},	1087	},
954	on_extcmd => sub {	1088	on_extcmd => sub {
955	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
956		1090
957	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
958		1092
959	if (ref $msg) {	1093	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	1097	}
964	}	1098	}
965	} else {	1099	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		1102
969	cf::override;	1103	cf::override;
970	},	1104	},
971	);	1105	);
972		1106
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {
980	my ($path) = @_;
981
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;
984	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";
987
988	warn "loading '$path' into '$pkg'\n";
989
990	open my $fh, "<:utf8", $path
991	or die "$path: $!";
992
993	my $source =
994	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })
997	. "\n};\n1";
998
999	eval $source
1000	or die $@ ? "$path: $@\n"
1001	: "extension disabled.\n";
1002
1003	push @exts, $pkg;
1004	$ext_pkg{$base} = $pkg;
1005
1006	# no strict 'refs';
1007	# @{"$pkg\::ISA"} = ext::;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }
1022
1023	# remove commands
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}
1048
1049	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
1050	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	1112	next unless -r $path;
1052	eval {	1113
1053	load_extension $ext;	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;
1054	1	1171	}
1055	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
1056	}	1177	};
1057	}	1178	}
1058		1179
1059	#############################################################################	1180	#############################################################################
1060	# load/save/clean perl data associated with a map
1061		1181
1062	*cf::mapsupport::on_clean = sub {	1182	=back
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		1183
1097	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
1098		1185
1099	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
1100		1187
…		…
1113	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
1114		1201
1115	=cut	1202	=cut
1116		1203
1117	sub playerdir($) {	1204	sub playerdir($) {
1118	cf::localdir	1205	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	1207	}
1124		1208
1125	sub path($) {	1209	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		1211
1128	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
1129	}	1213	}
1130		1214
1131	sub find_active($) {	1215	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
1136		1220
1137	sub exists($) {	1221	sub exists($) {
1138	my ($login) = @_;	1222	my ($login) = @_;
1139		1223
1140	$cf::PLAYER{$login}	1224	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1225	or cf::sync_job { !aio_stat path $login }
1142	}	1226	}
1143		1227
1144	sub find($) {	1228	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1229	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1230	my $login = $_[0];
1147		1231
1148	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
1149		1233
1150	$cf::PLAYER{$_[0]} || do {	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
1151	my $pl = load_pl path $login	1242	my $pl = load_pl path $login
1152	or return;	1243	or return;
1153	$cf::PLAYER{$login} = $pl	1244	$cf::PLAYER{$login} = $pl
1154	}	1245	}
1155	}	1246	}
…		…
1192		1283
1193	=cut	1284	=cut
1194		1285
1195	sub quit_character {	1286	sub quit_character {
1196	my ($pl) = @_;	1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
1197		1290
1198	$pl->{deny_save} = 1;	1291	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1292	$pl->password ("*"); # this should lock out the player until we nuked the dir
1200		1293
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1299	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1300	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1301	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1302	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	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
1211	IO::AIO::aio_rmtree $temp;	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;
1212	}	1325	}
1213		1326
1214	=item cf::player::list_logins	1327	=item cf::player::list_logins
1215		1328
1216	Returns am arrayref of all valid playernames in the system, can take a	1329	Returns am arrayref of all valid playernames in the system, can take a
1217	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1218		1331
1219	=cut	1332	=cut
1220		1333
1221	sub list_logins {	1334	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1336	or return [];
1224		1337
1225	my @logins;	1338	my @logins;
1226		1339
1227	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1342	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1343	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1344
1232	utf8::decode $login;	1345	utf8::decode $login;
1233	push @logins, $login;	1346	push @logins, $login;
1234	}	1347	}
1235		1348
1236	\@logins	1349	\@logins
1237	}	1350	}
1238		1351
1239	=item $player->maps	1352	=item $player->maps
1240		1353
1241	Returns an arrayref of cf::path's of all maps that are private for this	1354	Returns an arrayref of map paths that are private for this
1242	player. May block.	1355	player. May block.
1243		1356
1244	=cut	1357	=cut
1245		1358
1246	sub maps($) {	1359	sub maps($) {
1247	my ($pl) = @_;	1360	my ($pl) = @_;
		1361
		1362	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1363
1249	my $files = aio_readdir playerdir $pl	1364	my $files = aio_readdir playerdir $pl
1250	or return;	1365	or return;
1251		1366
1252	my @paths;	1367	my @paths;
1253		1368
1254	for (@$files) {	1369	for (@$files) {
1255	utf8::decode $_;	1370	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1371	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1372	next unless /^$PATH_SEP/o;
1258		1373
1259	s/$PATH_SEP/\//g;	1374	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1375	}
1262		1376
1263	\@paths	1377	\@paths
1264	}	1378	}
1265		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<([^\>]*)>}
		1406	{
		1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1409	"")
		1410	[$self->{hintmode}]
		1411	}ge;
		1412
		1413	# create single paragraphs (very hackish)
		1414	s/(?<=\S)\n(?=\w)/ /g;
		1415
		1416	# compress some whitespace
		1417	1 while s/\s*\n\s*\n\s*/\n/;
		1418
		1419	$_
		1420	}
		1421
		1422	sub hintmode {
		1423	$_[0]{hintmode} = $_[1] if @_ > 1;
		1424	$_[0]{hintmode}
		1425	}
		1426
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1427	=item $player->ext_reply ($msgid, %msg)
1267		1428
1268	Sends an ext reply to the player.	1429	Sends an ext reply to the player.
1269		1430
1270	=cut	1431	=cut
1271		1432
1272	sub ext_reply($$$%) {	1433	sub ext_reply($$%) {
1273	my ($self, $id, %msg) = @_;	1434	my ($self, $id, %msg) = @_;
1274		1435
1275	$msg{msgid} = $id;	1436	$msg{msgid} = $id;
1276		1437	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1277	$self->send ("ext " . cf::to_json \%msg);
1278	}	1438	}
1279		1439
1280	package cf;	1440	=item $player->ext_event ($type, %msg)
		1441
		1442	Sends an ext event to the client.
		1443
		1444	=cut
		1445
		1446	sub ext_event($$%) {
		1447	my ($self, $type, %msg) = @_;
		1448
		1449	$self->ns->ext_event ($type, %msg);
		1450	}
		1451
		1452	=head3 cf::region
		1453
		1454	=over 4
		1455
		1456	=cut
		1457
		1458	package cf::region;
		1459
		1460	=item cf::region::find_by_path $path
		1461
		1462	Tries to decuce the likely region for a map knowing only its path.
		1463
		1464	=cut
		1465
		1466	sub find_by_path($) {
		1467	my ($path) = @_;
		1468
		1469	my ($match, $specificity);
		1470
		1471	for my $region (list) {
		1472	if ($region->match && $path =~ $region->match) {
		1473	($match, $specificity) = ($region, $region->specificity)
		1474	if $region->specificity > $specificity;
		1475	}
		1476	}
		1477
		1478	$match
		1479	}
1281		1480
1282	=back	1481	=back
1283
1284		1482
1285	=head3 cf::map	1483	=head3 cf::map
1286		1484
1287	=over 4	1485	=over 4
1288		1486
…		…
1291	package cf::map;	1489	package cf::map;
1292		1490
1293	use Fcntl;	1491	use Fcntl;
1294	use Coro::AIO;	1492	use Coro::AIO;
1295		1493
		1494	use overload
		1495	'""' => \&as_string,
		1496	fallback => 1;
		1497
1296	our $MAX_RESET = 3600;	1498	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1499	our $DEFAULT_RESET = 3000;
1298		1500
1299	sub generate_random_map {	1501	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1502	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1503	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1504	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1505	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1506	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1507	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1508	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1509	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1510	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1511	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1512	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1513	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1514	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1515	(cf::region::find $rmp->{region}), $rmp->{custom}
		1516	)
		1517	}
		1518
		1519	=item cf::map->register ($regex, $prio)
		1520
		1521	Register a handler for the map path matching the given regex at the
		1522	givne priority (higher is better, built-in handlers have priority 0, the
		1523	default).
		1524
		1525	=cut
		1526
		1527	sub register {
		1528	my (undef, $regex, $prio) = @_;
		1529	my $pkg = caller;
		1530
		1531	no strict;
		1532	push @{"$pkg\::ISA"}, __PACKAGE__;
		1533
		1534	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1535	}
		1536
		1537	# also paths starting with '/'
		1538	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1539
		1540	sub thawer_merge {
		1541	my ($self, $merge) = @_;
		1542
		1543	# we have to keep some variables in memory intact
		1544	local $self->{path};
		1545	local $self->{load_path};
		1546
		1547	$self->SUPER::thawer_merge ($merge);
		1548	}
		1549
		1550	sub normalise {
		1551	my ($path, $base) = @_;
		1552
		1553	$path = "$path"; # make sure its a string
		1554
		1555	$path =~ s/\.map$//;
		1556
		1557	# map plan:
		1558	#
		1559	# /! non-realised random map exit (special hack!)
		1560	# {... are special paths that are not being touched
		1561	# ?xxx/... are special absolute paths
		1562	# ?random/... random maps
		1563	# /... normal maps
		1564	# ~user/... per-player map of a specific user
		1565
		1566	$path =~ s/$PATH_SEP/\//go;
		1567
		1568	# treat it as relative path if it starts with
		1569	# something that looks reasonable
		1570	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1571	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1572
		1573	$base =~ s{[^/]+/?$}{};
		1574	$path = "$base/$path";
		1575	}
		1576
		1577	for ($path) {
		1578	redo if s{//}{/};
		1579	redo if s{/\.?/}{/};
		1580	redo if s{/[^/]+/\.\./}{/};
		1581	}
		1582
		1583	$path
		1584	}
		1585
		1586	sub new_from_path {
		1587	my (undef, $path, $base) = @_;
		1588
		1589	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1590
		1591	$path = normalise $path, $base;
		1592
		1593	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1594	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1595	my $self = bless cf::map::new, $pkg;
		1596	$self->{path} = $path; $self->path ($path);
		1597	$self->init; # pass $1 etc.
		1598	return $self;
		1599	}
		1600	}
		1601
		1602	Carp::carp "unable to resolve path '$path' (base '$base').";
		1603	()
		1604	}
		1605
		1606	sub init {
		1607	my ($self) = @_;
		1608
		1609	$self
		1610	}
		1611
		1612	sub as_string {
		1613	my ($self) = @_;
		1614
		1615	"$self->{path}"
		1616	}
		1617
		1618	# the displayed name, this is a one way mapping
		1619	sub visible_name {
		1620	&as_string
		1621	}
		1622
		1623	# the original (read-only) location
		1624	sub load_path {
		1625	my ($self) = @_;
		1626
		1627	"$MAPDIR/$self->{path}.map"
		1628	}
		1629
		1630	# the temporary/swap location
		1631	sub save_path {
		1632	my ($self) = @_;
		1633
		1634	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1635	"$TMPDIR/$path.map"
		1636	}
		1637
		1638	# the unique path, undef == no special unique path
		1639	sub uniq_path {
		1640	my ($self) = @_;
		1641
		1642	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1643	"$UNIQUEDIR/$path"
1316	}	1644	}
1317		1645
1318	# and all this just because we cannot iterate over	1646	# and all this just because we cannot iterate over
1319	# all maps in C++...	1647	# all maps in C++...
1320	sub change_all_map_light {	1648	sub change_all_map_light {
…		…
1322		1650
1323	$_->change_map_light ($change)	1651	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1652	for grep $_->outdoor, values %cf::MAP;
1325	}	1653	}
1326		1654
		1655	sub decay_objects {
		1656	my ($self) = @_;
		1657
		1658	return if $self->{deny_reset};
		1659
		1660	$self->do_decay_objects;
		1661	}
		1662
		1663	sub unlink_save {
		1664	my ($self) = @_;
		1665
		1666	utf8::encode (my $save = $self->save_path);
		1667	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1668	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1669	}
		1670
1327	sub try_load_header($) {	1671	sub load_header_from($) {
1328	my ($path) = @_;	1672	my ($self, $path) = @_;
1329		1673
1330	utf8::encode $path;	1674	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1675	#aio_open $path, O_RDONLY, 0
		1676	# or return;
		1677
		1678	$self->_load_header ($path)
1332	or return;	1679	or return;
1333		1680
1334	my $map = cf::map::new	1681	$self->{load_path} = $path;
		1682
		1683	1
		1684	}
		1685
		1686	sub load_header_orig {
		1687	my ($self) = @_;
		1688
		1689	$self->load_header_from ($self->load_path)
		1690	}
		1691
		1692	sub load_header_temp {
		1693	my ($self) = @_;
		1694
		1695	$self->load_header_from ($self->save_path)
		1696	}
		1697
		1698	sub prepare_temp {
		1699	my ($self) = @_;
		1700
		1701	$self->last_access ((delete $self->{last_access})
		1702	|| $cf::RUNTIME); #d#
		1703	# safety
		1704	$self->{instantiate_time} = $cf::RUNTIME
		1705	if $self->{instantiate_time} > $cf::RUNTIME;
		1706	}
		1707
		1708	sub prepare_orig {
		1709	my ($self) = @_;
		1710
		1711	$self->{load_original} = 1;
		1712	$self->{instantiate_time} = $cf::RUNTIME;
		1713	$self->last_access ($cf::RUNTIME);
		1714	$self->instantiate;
		1715	}
		1716
		1717	sub load_header {
		1718	my ($self) = @_;
		1719
		1720	if ($self->load_header_temp) {
		1721	$self->prepare_temp;
		1722	} else {
		1723	$self->load_header_orig
1335	or return;	1724	or return;
		1725	$self->prepare_orig;
		1726	}
1336		1727
1337	# for better error messages only, will be overwritten	1728	$self->{deny_reset} = 1
1338	$map->path ($path);	1729	if $self->no_reset;
1339		1730
1340	$map->load_header ($path)	1731	$self->default_region (cf::region::find_by_path $self->{path})
1341	or return;	1732	unless $self->default_region;
1342		1733
1343	$map->{load_path} = $path;	1734	1
1344
1345	$map
1346	}	1735	}
1347		1736
1348	sub find;	1737	sub find;
1349	sub find {	1738	sub find {
1350	my ($path, $origin) = @_;	1739	my ($path, $origin) = @_;
1351		1740
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1741	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1742
1357	cf::lock_wait "map_find:$key";	1743	cf::lock_wait "map_find:$path";
1358		1744
1359	$cf::MAP{$key} || do {	1745	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1746	my $guard = cf::lock_acquire "map_find:$path";
1361		1747	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1748	or return;
1381		1749
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1750	$map->{last_save} = $cf::RUNTIME;
1394		1751
1395	Coro::cede;	1752	$map->load_header
		1753	or return;
1396		1754
1397	if ($map->should_reset) {	1755	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1756	# doing this can freeze the server in a sync job, obviously
		1757	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1758	$map->reset;
1399	undef $guard;	1759	undef $guard;
1400	$map = find $path	1760	return find $path;
1401	or return;
1402	}	1761	}
1403		1762
1404	$cf::MAP{$key} = $map	1763	$cf::MAP{$path} = $map
1405	}	1764	}
1406	}	1765	}
		1766
		1767	sub pre_load { }
		1768	sub post_load { }
1407		1769
1408	sub load {	1770	sub load {
1409	my ($self) = @_;	1771	my ($self) = @_;
1410		1772
		1773	local $self->{deny_reset} = 1; # loading can take a long time
		1774
1411	my $path = $self->{path};	1775	my $path = $self->{path};
		1776
		1777	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1778	my $guard = cf::lock_acquire "map_load:$path";
1413		1779
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1780	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1781
1416	$self->in_memory (cf::MAP_LOADING);	1782	$self->in_memory (cf::MAP_LOADING);
1417		1783
1418	$self->alloc;	1784	$self->alloc;
		1785
		1786	$self->pre_load;
		1787	Coro::cede;
		1788
1419	$self->load_objects ($self->{load_path}, 1)	1789	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1790	or return;
1421		1791
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1792	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1793	if delete $self->{load_original};
1424		1794
1425	if (my $uniq = $path->uniq_path) {	1795	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1796	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1797	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1798	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1799	$self->_load_objects ($uniq, 0);
1430	}	1800	}
1431	}	1801	}
1432		1802
1433	Coro::cede;	1803	Coro::cede;
1434
1435	# now do the right thing for maps	1804	# now do the right thing for maps
1436	$self->link_multipart_objects;	1805	$self->link_multipart_objects;
1437
1438	if ($self->{path}->is_style_map) {
1439	$self->{deny_save} = 1;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;
1445	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1806	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1807	unless $self->difficulty;
		1808	Coro::cede;
		1809
		1810	unless ($self->{deny_activate}) {
		1811	$self->decay_objects;
		1812	$self->fix_auto_apply;
		1813	$self->update_buttons;
		1814	Coro::cede;
		1815	$self->set_darkness_map;
		1816	Coro::cede;
1448	$self->activate;	1817	$self->activate;
1449	}	1818	}
1450		1819
1451	Coro::cede;
1452
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1820	$self->in_memory (cf::MAP_IN_MEMORY);
		1821	}
		1822
		1823	$self->post_load;
		1824	}
		1825
		1826	sub customise_for {
		1827	my ($self, $ob) = @_;
		1828
		1829	return find "~" . $ob->name . "/" . $self->{path}
		1830	if $self->per_player;
		1831
		1832	# return find "?party/" . $ob->name . "/" . $self->{path}
		1833	# if $self->per_party;
		1834
		1835	$self
		1836	}
		1837
		1838	# find and load all maps in the 3x3 area around a map
		1839	sub load_diag {
		1840	my ($map) = @_;
		1841
		1842	my @diag; # diagonal neighbours
		1843
		1844	for (0 .. 3) {
		1845	my $neigh = $map->tile_path ($_)
		1846	or next;
		1847	$neigh = find $neigh, $map
		1848	or next;
		1849	$neigh->load;
		1850
		1851	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1852	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1853	}
		1854
		1855	for (@diag) {
		1856	my $neigh = find @$_
		1857	or next;
		1858	$neigh->load;
		1859	}
1454	}	1860	}
1455		1861
1456	sub find_sync {	1862	sub find_sync {
1457	my ($path, $origin) = @_;	1863	my ($path, $origin) = @_;
1458		1864
1459	cf::sync_job { cf::map::find $path, $origin }	1865	cf::sync_job { find $path, $origin }
1460	}	1866	}
1461		1867
1462	sub do_load_sync {	1868	sub do_load_sync {
1463	my ($map) = @_;	1869	my ($map) = @_;
1464		1870
1465	cf::sync_job { $map->load };	1871	cf::sync_job { $map->load };
1466	}	1872	}
1467		1873
		1874	our %MAP_PREFETCH;
		1875	our $MAP_PREFETCHER = undef;
		1876
		1877	sub find_async {
		1878	my ($path, $origin) = @_;
		1879
		1880	$path = normalise $path, $origin && $origin->{path};
		1881
		1882	if (my $map = $cf::MAP{$path}) {
		1883	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1884	}
		1885
		1886	undef $MAP_PREFETCH{$path};
		1887	$MAP_PREFETCHER ||= cf::async {
		1888	while (%MAP_PREFETCH) {
		1889	for my $path (keys %MAP_PREFETCH) {
		1890	my $map = find $path
		1891	or next;
		1892	$map->load;
		1893
		1894	delete $MAP_PREFETCH{$path};
		1895	}
		1896	}
		1897	undef $MAP_PREFETCHER;
		1898	};
		1899	$MAP_PREFETCHER->prio (6);
		1900
		1901	()
		1902	}
		1903
1468	sub save {	1904	sub save {
1469	my ($self) = @_;	1905	my ($self) = @_;
1470		1906
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1907	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1908
1473	$self->{last_save} = $cf::RUNTIME;	1909	$self->{last_save} = $cf::RUNTIME;
1474		1910
1475	return unless $self->dirty;	1911	return unless $self->dirty;
1476		1912
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1913	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1914	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1915
1480	$self->{load_path} = $save;	1916	$self->{load_path} = $save;
1481		1917
1482	return if $self->{deny_save};	1918	return if $self->{deny_save};
1483		1919
…		…
1486	cf::async {	1922	cf::async {
1487	$_->contr->save for $self->players;	1923	$_->contr->save for $self->players;
1488	};	1924	};
1489		1925
1490	if ($uniq) {	1926	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1927	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1928	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1929	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1931	}
1496	}	1932	}
1497		1933
1498	sub swap_out {	1934	sub swap_out {
1499	my ($self) = @_;	1935	my ($self) = @_;
…		…
1513		1949
1514	sub reset_at {	1950	sub reset_at {
1515	my ($self) = @_;	1951	my ($self) = @_;
1516		1952
1517	# TODO: safety, remove and allow resettable per-player maps	1953	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	1954	return 1e99 if $self->{deny_reset};
1520		1955
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1956	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1957	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1958
…		…
1528	my ($self) = @_;	1963	my ($self) = @_;
1529		1964
1530	$self->reset_at <= $cf::RUNTIME	1965	$self->reset_at <= $cf::RUNTIME
1531	}	1966	}
1532		1967
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	1968	sub reset {
1555	my ($self) = @_;	1969	my ($self) = @_;
1556		1970
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1971	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1972
1559	return if $self->players;	1973	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		1974
1562	warn "resetting map ", $self->path;#d#	1975	warn "resetting map ", $self->path;
		1976
		1977	$self->in_memory (cf::MAP_SWAPPED);
		1978
		1979	# need to save uniques path
		1980	unless ($self->{deny_save}) {
		1981	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1982
		1983	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1984	if $uniq;
		1985	}
1563		1986
1564	delete $cf::MAP{$self->path};	1987	delete $cf::MAP{$self->path};
		1988
		1989	$self->clear;
1565		1990
1566	$_->clear_links_to ($self) for values %cf::MAP;	1991	$_->clear_links_to ($self) for values %cf::MAP;
1567		1992
1568	$self->unlink_save;	1993	$self->unlink_save;
1569	$self->destroy;	1994	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1997	my $nuke_counter = "aaaa";
1573		1998
1574	sub nuke {	1999	sub nuke {
1575	my ($self) = @_;	2000	my ($self) = @_;
1576		2001
		2002	delete $cf::MAP{$self->path};
		2003
		2004	$self->unlink_save;
		2005
		2006	bless $self, "cf::map";
		2007	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	2008	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2009	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2010	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2011
		2012	$cf::MAP{$self->path} = $self;
		2013
1580	$self->reset; # polite request, might not happen	2014	$self->reset; # polite request, might not happen
1581	}	2015	}
1582		2016
1583	sub customise_for {	2017	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2018
1586	if ($map->per_player) {	2019	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2020	maps. May block.
		2021
		2022	=cut
		2023
		2024	sub tmp_maps() {
1588	}	2025	[
1589		2026	map {
1590	$map	2027	utf8::decode $_;
		2028	/\.map$/
		2029	? normalise $_
		2030	: ()
		2031	} @{ aio_readdir $TMPDIR or [] }
		2032	]
1591	}	2033	}
1592		2034
1593	sub emergency_save {	2035	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2036
1596	warn "enter emergency perl save\n";	2037	Returns an arrayref with all map paths of currently instantiated and saved
		2038	random maps. May block.
1597		2039
1598	cf::sync_job {	2040	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2041
1603	warn "begin emergency map save\n";	2042	sub random_maps() {
1604	$_->save for values %cf::MAP;	2043	[
1605	warn "end emergency map save\n";	2044	map {
1606	};	2045	utf8::decode $_;
		2046	/\.map$/
		2047	? normalise "?random/$_"
		2048	: ()
		2049	} @{ aio_readdir $RANDOMDIR or [] }
		2050	]
		2051	}
1607		2052
1608	warn "leave emergency perl save\n";	2053	=item cf::map::unique_maps
		2054
		2055	Returns an arrayref of paths of all shared maps that have
		2056	instantiated unique items. May block.
		2057
		2058	=cut
		2059
		2060	sub unique_maps() {
		2061	[
		2062	map {
		2063	utf8::decode $_;
		2064	/\.map$/
		2065	? normalise $_
		2066	: ()
		2067	} @{ aio_readdir $UNIQUEDIR or [] }
		2068	]
1609	}	2069	}
1610		2070
1611	package cf;	2071	package cf;
1612		2072
1613	=back	2073	=back
1614		2074
		2075	=head3 cf::object
		2076
		2077	=cut
		2078
		2079	package cf::object;
		2080
		2081	=over 4
		2082
		2083	=item $ob->inv_recursive
		2084
		2085	Returns the inventory of the object _and_ their inventories, recursively.
		2086
		2087	=cut
		2088
		2089	sub inv_recursive_;
		2090	sub inv_recursive_ {
		2091	map { $_, inv_recursive_ $_->inv } @_
		2092	}
		2093
		2094	sub inv_recursive {
		2095	inv_recursive_ inv $_[0]
		2096	}
		2097
		2098	package cf;
		2099
		2100	=back
1615		2101
1616	=head3 cf::object::player	2102	=head3 cf::object::player
1617		2103
1618	=over 4	2104	=over 4
1619		2105
…		…
1633		2119
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2120	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2121
1636	if ($self->{record_replies}) {	2122	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2123	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2124
1638	} else {	2125	} else {
		2126	my $pl = $self->contr;
		2127
		2128	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2129	my $diag = $pl->{npc_dialog};
		2130	$diag->{pl}->ext_reply (
		2131	$diag->{id},
		2132	msgtype => "reply",
		2133	msg => $diag->{pl}->expand_cfpod ($msg),
		2134	add_topics => []
		2135	);
		2136
		2137	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2138	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2139	$self->message ($msg, $flags);
		2140	}
1641	}	2141	}
1642	}	2142	}
1643		2143
1644	=item $player_object->may ("access")	2144	=item $player_object->may ("access")
1645		2145
…		…
1659		2159
1660	=item $player_object->enter_link	2160	=item $player_object->enter_link
1661		2161
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2162	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2163
1664	The player should be reaosnably safe there for short amounts of time. You	2164	The player should be reasonably safe there for short amounts of time. You
1665	I<MUST> call C<leave_link> as soon as possible, though.	2165	I<MUST> call C<leave_link> as soon as possible, though.
1666		2166
		2167	Will never block.
		2168
1667	=item $player_object->leave_link ($map, $x, $y)	2169	=item $player_object->leave_link ($map, $x, $y)
1668		2170
1669	Moves the player out of the specila link map onto the given map. If the	2171	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2172	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2173	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2174	fails, to the emergency map position.
1673		2175
1674	Might block.	2176	Might block.
1675		2177
1676	=cut	2178	=cut
		2179
		2180	sub link_map {
		2181	unless ($LINK_MAP) {
		2182	$LINK_MAP = cf::map::find "{link}"
		2183	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2184	$LINK_MAP->load;
		2185	}
		2186
		2187	$LINK_MAP
		2188	}
1677		2189
1678	sub cf::object::player::enter_link {	2190	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2191	my ($self) = @_;
1680		2192
1681	$self->deactivate_recursive;	2193	$self->deactivate_recursive;
1682		2194
1683	return if $self->map == $LINK_MAP;	2195	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2196
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2197	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2198	if $self->map && $self->map->{path} ne "{link}";
1687		2199
1688	$self->enter_map ($LINK_MAP, 20, 20);	2200	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	2201	}
1690		2202
1691	sub cf::object::player::leave_link {	2203	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2204	my ($self, $map, $x, $y) = @_;
		2205
		2206	return unless $self->contr->active;
1693		2207
1694	my $link_pos = delete $self->{_link_pos};	2208	my $link_pos = delete $self->{_link_pos};
1695		2209
1696	unless ($map) {	2210	unless ($map) {
1697	# restore original map position	2211	# restore original map position
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	2225	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2226	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2227	if $x <=0 && $y <= 0;
1714		2228
1715	$map->load;	2229	$map->load;
		2230	$map->load_diag;
1716		2231
1717	return unless $self->contr->active;	2232	return unless $self->contr->active;
1718	$self->activate_recursive;	2233	$self->activate_recursive;
		2234
		2235	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	2236	$self->enter_map ($map, $x, $y);
1720	}	2237	}
1721		2238
1722	cf::player->attach (
1723	on_logout => sub {
1724	my ($pl) = @_;
1725
1726	# abort map switching before logout
1727	if ($pl->ob->{_link_pos}) {
1728	cf::sync_job {
1729	$pl->ob->leave_link
1730	};
1731	}
1732	},
1733	on_login => sub {
1734	my ($pl) = @_;
1735
1736	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;
1740	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);
1747	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;
1749	})->prio (2);
1750	}
1751	},
1752	);
1753
1754	=item $player_object->goto ($path, $x, $y)	2239	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1755		2240
		2241	Moves the player to the given map-path and coordinates by first freezing
		2242	her, loading and preparing them map, calling the provided $check callback
		2243	that has to return the map if sucecssful, and then unfreezes the player on
		2244	the new (success) or old (failed) map position.
		2245
1756	=cut	2246	=cut
		2247
		2248	our $GOTOGEN;
1757		2249
1758	sub cf::object::player::goto {	2250	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2251	my ($self, $path, $x, $y, $check) = @_;
1760		2252
1761	$path = new cf::path $path;	2253	# do generation counting so two concurrent goto's will be executed in-order
1762	$path ne "/" or Carp::cluck ("oy");#d#	2254	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2255
1764	$self->enter_link;	2256	$self->enter_link;
1765		2257
1766	(async {	2258	(async {
		2259	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	2260	my $map = cf::map::find $path;
		2261
		2262	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2263	$map = $map->customise_for ($self);
1769		2264	$map = $check->($map) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2265	} else {
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2266	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2267	}
1774		2268
		2269	$map
		2270	};
		2271
		2272	if ($@) {
		2273	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2274	LOG llevError | logBacktrace, Carp::longmess $@;
		2275	}
		2276
		2277	if ($gen == $self->{_goto_generation}) {
		2278	delete $self->{_goto_generation};
1775	$self->leave_link ($map, $x, $y);	2279	$self->leave_link ($map, $x, $y);
		2280	}
1776	})->prio (1);	2281	})->prio (1);
1777	}	2282	}
1778		2283
1779	=item $player_object->enter_exit ($exit_object)	2284	=item $player_object->enter_exit ($exit_object)
1780		2285
…		…
1782		2287
1783	sub parse_random_map_params {	2288	sub parse_random_map_params {
1784	my ($spec) = @_;	2289	my ($spec) = @_;
1785		2290
1786	my $rmp = { # defaults	2291	my $rmp = { # defaults
1787	xsize => 10,	2292	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2293	ysize => (cf::rndm 15, 40),
		2294	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2295	#layout => string,
1789	};	2296	};
1790		2297
1791	for (split /\n/, $spec) {	2298	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2299	my ($k, $v) = split /\s+/, $_, 2;
1793		2300
…		…
1797	$rmp	2304	$rmp
1798	}	2305	}
1799		2306
1800	sub prepare_random_map {	2307	sub prepare_random_map {
1801	my ($exit) = @_;	2308	my ($exit) = @_;
		2309
		2310	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		2311
1803	# all this does is basically replace the /! path by	2312	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	2313	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	2314	# that depends on the exit object
1806		2315
1807	my $rmp = parse_random_map_params $exit->msg;	2316	my $rmp = parse_random_map_params $exit->msg;
1808		2317
1809	if ($exit->map) {	2318	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2319	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2320	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2321	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2322	$rmp->{origin_y} = $exit->y;
1814	}	2323	}
1815		2324
1816	$rmp->{random_seed} ||= $exit->random_seed;	2325	$rmp->{random_seed} ||= $exit->random_seed;
1817		2326
1818	my $data = cf::to_json $rmp;	2327	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	2328	my $md5 = Digest::MD5::md5_hex $data;
		2329	my $meta = "$RANDOMDIR/$md5.meta";
1820		2330
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2331	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2332	aio_write $fh, 0, (length $data), $data, 0;
		2333	undef $fh;
		2334	aio_rename "$meta~", $meta;
1823		2335
1824	$exit->slaying ("?random/$md5");	2336	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2337	$exit->msg (undef);
1826	}	2338	}
1827	}	2339	}
1828		2340
1829	sub cf::object::player::enter_exit {	2341	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2342	my ($self, $exit) = @_;
1831		2343
1832	return unless $self->type == cf::PLAYER;	2344	return unless $self->type == cf::PLAYER;
		2345
		2346	if ($exit->slaying eq "/!") {
		2347	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2348	# the problem is that $exit might not survive long enough
		2349	# so it needs to be done right now, right here
		2350	cf::sync_job { prepare_random_map $exit };
		2351	}
		2352
		2353	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2354	my $hp = $exit->stats->hp;
		2355	my $sp = $exit->stats->sp;
1833		2356
1834	$self->enter_link;	2357	$self->enter_link;
1835		2358
1836	(async {	2359	(async {
1837	$self->deactivate_recursive; # just to be sure	2360	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2361	unless (eval {
1839	prepare_random_map $exit	2362	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		2363
1845	1;	2364	1;
1846	}) {	2365	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2366	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	2367	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2368	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2369	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2370
1852	warn "ERROR in enter_exit: $@";	2371	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2372	$self->leave_link;
1854	}	2373	}
1855	})->prio (1);	2374	})->prio (1);
…		…
1868		2387
1869	sub cf::client::send_drawinfo {	2388	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2389	my ($self, $text, $flags) = @_;
1871		2390
1872	utf8::encode $text;	2391	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2392	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2393	}
1875		2394
		2395	=item $client->send_msg ($color, $type, $msg, [extra...])
		2396
		2397	Send a drawinfo or msg packet to the client, formatting the msg for the
		2398	client if neccessary. C<$type> should be a string identifying the type of
		2399	the message, with C<log> being the default. If C<$color> is negative, suppress
		2400	the message unless the client supports the msg packet.
		2401
		2402	=cut
		2403
		2404	sub cf::client::send_msg {
		2405	my ($self, $color, $type, $msg, @extra) = @_;
		2406
		2407	$msg = $self->pl->expand_cfpod ($msg);
		2408
		2409	if ($self->can_msg) {
		2410	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2411	} else {
		2412	# replace some tags by gcfclient-compatible ones
		2413	for ($msg) {
		2414	1 while
		2415	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2416	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2417	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2418	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2419	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2420	}
		2421
		2422	if ($color >= 0) {
		2423	if (0 && $msg =~ /\[/) {
		2424	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2425	} else {
		2426	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2427	$self->send_packet ("drawinfo $color $msg")
		2428	}
		2429	}
		2430	}
		2431	}
		2432
		2433	=item $client->ext_event ($type, %msg)
		2434
		2435	Sends an ext event to the client.
		2436
		2437	=cut
		2438
		2439	sub cf::client::ext_event($$%) {
		2440	my ($self, $type, %msg) = @_;
		2441
		2442	$msg{msgtype} = "event_$type";
		2443	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2444	}
1876		2445
1877	=item $success = $client->query ($flags, "text", \&cb)	2446	=item $success = $client->query ($flags, "text", \&cb)
1878		2447
1879	Queues a query to the client, calling the given callback with	2448	Queues a query to the client, calling the given callback with
1880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2449	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2450	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1882		2451
1883	Queries can fail, so check the return code. Or don't, as queries will become	2452	Queries can fail, so check the return code. Or don't, as queries will
1884	reliable at some point in the future.	2453	become reliable at some point in the future.
1885		2454
1886	=cut	2455	=cut
1887		2456
1888	sub cf::client::query {	2457	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	2458	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	2466	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2467	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		2468
1900	$self->send_packet ($self->{query_queue}[0][0])	2469	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	2470	if @{ $self->{query_queue} } == 1;
		2471
		2472	1
1902	}	2473	}
1903		2474
1904	cf::client->attach (	2475	cf::client->attach (
		2476	on_connect => sub {
		2477	my ($ns) = @_;
		2478
		2479	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2480	},
1905	on_reply => sub {	2481	on_reply => sub {
1906	my ($ns, $msg) = @_;	2482	my ($ns, $msg) = @_;
1907		2483
1908	# this weird shuffling is so that direct followup queries	2484	# this weird shuffling is so that direct followup queries
1909	# get handled first	2485	# get handled first
1910	my $queue = delete $ns->{query_queue}	2486	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2487	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2488
1913	(shift @$queue)->[1]->($msg);	2489	(shift @$queue)->[1]->($msg);
		2490	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2491
1915	push @{ $ns->{query_queue} }, @$queue;	2492	push @{ $ns->{query_queue} }, @$queue;
1916		2493
1917	if (@{ $ns->{query_queue} } == @$queue) {	2494	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2495	if (@$queue) {
…		…
1920	} else {	2497	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2498	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	2499	}
1923	}	2500	}
1924	},	2501	},
		2502	on_exticmd => sub {
		2503	my ($ns, $buf) = @_;
		2504
		2505	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2506
		2507	if (ref $msg) {
		2508	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2509	if (my %reply = $cb->($ns, $msg)) {
		2510	$reply{msgid} = $msg->{msgid};
		2511	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2512	}
		2513	}
		2514	} else {
		2515	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2516	}
		2517
		2518	cf::override;
		2519	},
1925	);	2520	);
1926		2521
1927	=item $client->async (\&cb)	2522	=item $client->async (\&cb)
1928		2523
1929	Create a new coroutine, running the specified callback. The coroutine will	2524	Create a new coroutine, running the specified callback. The coroutine will
…		…
1976		2571
1977	# here we export the classes and methods available to script code	2572	# here we export the classes and methods available to script code
1978		2573
1979	=pod	2574	=pod
1980		2575
1981	The following fucntions and emthods are available within a safe environment:	2576	The following functions and methods are available within a safe environment:
1982		2577
1983	cf::object contr pay_amount pay_player map	2578	cf::object contr pay_amount pay_player map
1984	cf::object::player player	2579	cf::object::player player
1985	cf::player peaceful	2580	cf::player peaceful
1986	cf::map trigger	2581	cf::map trigger
…		…
2067	=back	2662	=back
2068		2663
2069	=cut	2664	=cut
2070		2665
2071	#############################################################################	2666	#############################################################################
		2667	# the server's init and main functions
2072		2668
2073	=head2 EXTENSION DATABASE SUPPORT	2669	sub load_facedata($) {
		2670	my ($path) = @_;
2074		2671
2075	Crossfire maintains a very simple database for extension use. It can	2672	warn "loading facedata from $path\n";
2076	currently store anything that can be serialised using Storable, which
2077	excludes objects.
2078		2673
2079	The parameter C<$family> should best start with the name of the extension	2674	my $facedata;
2080	using it, it should be unique.	2675	0 < aio_load $path, $facedata
		2676	or die "$path: $!";
2081		2677
2082	=over 4	2678	$facedata = Coro::Storable::thaw $facedata;
2083		2679
2084	=item $hashref = cf::db_get $family	2680	$facedata->{version} == 2
		2681	or cf::cleanup "$path: version mismatch, cannot proceed.";
2085		2682
2086	Return a hashref for use by the extension C<$family>, which can be
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089
2090	=item $value = cf::db_get $family => $key
2091
2092	Returns a single value from the database
2093
2094	=item cf::db_put $family => $hashref
2095
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098
2099	=item cf::db_put $family => $key => $value
2100
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111
2112	=cut
2113
2114	our $DB;
2115
2116	{
2117	my $path = cf::localdir . "/database.pst";
2118
2119	sub db_load() {
2120	$DB = stat $path ? Storable::retrieve $path : { };
2121	}	2683	{
		2684	my $faces = $facedata->{faceinfo};
2122		2685
2123	my $pid;	2686	while (my ($face, $info) = each %$faces) {
2124		2687	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2125	sub db_save() {	2688	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2126	waitpid $pid, 0 if $pid;	2689	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2127	if (0 == ($pid = fork)) {	2690	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2128	$DB->{_meta}{version} = 1;	2691	Coro::cede;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});
2145
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {
2152	@_ >= 2
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156
2157	sub db_put($$;$) {
2158	if (@_ >= 3) {
2159	$DB->{$_[0]}{$_[1]} = $_[2];
2160	} else {
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165
2166	cf::global->attach (
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	2692	}
2171	);
2172	}
2173		2693
2174	#############################################################################	2694	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	2695	next unless $info->{smooth};
		2696	my $idx = cf::face::find $face
		2697	or next;
		2698	if (my $smooth = cf::face::find $info->{smooth}) {
		2699	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2700	} else {
		2701	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2702	}
		2703	Coro::cede;
		2704	}
		2705	}
		2706
		2707	{
		2708	my $anims = $facedata->{animinfo};
		2709
		2710	while (my ($anim, $info) = each %$anims) {
		2711	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2712	Coro::cede;
		2713	}
		2714
		2715	cf::anim::invalidate_all; # d'oh
		2716	}
		2717
		2718	1
		2719	}
		2720
		2721	sub reload_regions {
		2722	load_resource_file "$MAPDIR/regions"
		2723	or die "unable to load regions file\n";
		2724	}
		2725
		2726	sub reload_facedata {
		2727	load_facedata "$DATADIR/facedata"
		2728	or die "unable to load facedata\n";
		2729	}
		2730
		2731	sub reload_archetypes {
		2732	load_resource_file "$DATADIR/archetypes"
		2733	or die "unable to load archetypes\n";
		2734	#d# NEED to laod twice to resolve forward references
		2735	# this really needs to be done in an extra post-pass
		2736	# (which needs to be synchronous, so solve it differently)
		2737	load_resource_file "$DATADIR/archetypes"
		2738	or die "unable to load archetypes\n";
		2739	}
		2740
		2741	sub reload_treasures {
		2742	load_resource_file "$DATADIR/treasures"
		2743	or die "unable to load treasurelists\n";
		2744	}
		2745
		2746	sub reload_resources {
		2747	warn "reloading resource files...\n";
		2748
		2749	reload_regions;
		2750	reload_facedata;
		2751	#reload_archetypes;#d#
		2752	reload_archetypes;
		2753	reload_treasures;
		2754
		2755	warn "finished reloading resource files\n";
		2756	}
		2757
		2758	sub init {
		2759	reload_resources;
		2760	}
2176		2761
2177	sub cfg_load {	2762	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2763	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	2764	or return;
2180		2765
2181	local $/;	2766	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	2767	*CFG = YAML::Syck::Load <$fh>;
2183		2768
…		…
2197		2782
2198	sub main {	2783	sub main {
2199	# we must not ever block the main coroutine	2784	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2785	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2786	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2787	(async {
2202	async { Event::one_event };	2788	Event::one_event;
		2789	})->prio (Coro::PRIO_MAX);
2203	};	2790	};
2204		2791
2205	cfg_load;	2792	cfg_load;
2206	db_load;	2793	db_init;
2207	load_extensions;	2794	load_extensions;
		2795
		2796	$TICK_WATCHER->start;
2208	Event::loop;	2797	Event::loop;
2209	}	2798	}
2210		2799
2211	#############################################################################	2800	#############################################################################
2212	# initialisation	2801	# initialisation and cleanup
2213		2802
		2803	# install some emergency cleanup handlers
		2804	BEGIN {
		2805	for my $signal (qw(INT HUP TERM)) {
		2806	Event->signal (
		2807	reentrant => 0,
		2808	data => WF_AUTOCANCEL,
		2809	signal => $signal,
		2810	prio => 0,
		2811	cb => sub {
		2812	cf::cleanup "SIG$signal";
		2813	},
		2814	);
		2815	}
		2816	}
		2817
		2818	sub write_runtime {
		2819	my $runtime = "$LOCALDIR/runtime";
		2820
		2821	# first touch the runtime file to show we are still running:
		2822	# the fsync below can take a very very long time.
		2823
		2824	IO::AIO::aio_utime $runtime, undef, undef;
		2825
		2826	my $guard = cf::lock_acquire "write_runtime";
		2827
		2828	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2829	or return;
		2830
		2831	my $value = $cf::RUNTIME + 90 + 10;
		2832	# 10 is the runtime save interval, for a monotonic clock
		2833	# 60 allows for the watchdog to kill the server.
		2834
		2835	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2836	and return;
		2837
		2838	# always fsync - this file is important
		2839	aio_fsync $fh
		2840	and return;
		2841
		2842	# touch it again to show we are up-to-date
		2843	aio_utime $fh, undef, undef;
		2844
		2845	close $fh
		2846	or return;
		2847
		2848	aio_rename "$runtime~", $runtime
		2849	and return;
		2850
		2851	warn "runtime file written.\n";
		2852
		2853	1
		2854	}
		2855
		2856	sub emergency_save() {
		2857	my $freeze_guard = cf::freeze_mainloop;
		2858
		2859	warn "enter emergency perl save\n";
		2860
		2861	cf::sync_job {
		2862	# use a peculiar iteration method to avoid tripping on perl
		2863	# refcount bugs in for. also avoids problems with players
		2864	# and maps saved/destroyed asynchronously.
		2865	warn "begin emergency player save\n";
		2866	for my $login (keys %cf::PLAYER) {
		2867	my $pl = $cf::PLAYER{$login} or next;
		2868	$pl->valid or next;
		2869	$pl->save;
		2870	}
		2871	warn "end emergency player save\n";
		2872
		2873	warn "begin emergency map save\n";
		2874	for my $path (keys %cf::MAP) {
		2875	my $map = $cf::MAP{$path} or next;
		2876	$map->valid or next;
		2877	$map->save;
		2878	}
		2879	warn "end emergency map save\n";
		2880
		2881	warn "begin emergency database checkpoint\n";
		2882	BDB::db_env_txn_checkpoint $DB_ENV;
		2883	warn "end emergency database checkpoint\n";
		2884	};
		2885
		2886	warn "leave emergency perl save\n";
		2887	}
		2888
		2889	sub post_cleanup {
		2890	my ($make_core) = @_;
		2891
		2892	warn Carp::longmess "post_cleanup backtrace"
		2893	if $make_core;
		2894	}
		2895
2214	sub reload() {	2896	sub do_reload_perl() {
2215	# can/must only be called in main	2897	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2898	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2899	warn "can only reload from main coroutine";
2218	return;	2900	return;
2219	}	2901	}
2220		2902
2221	warn "reloading...";	2903	warn "reloading...";
2222		2904
2223	my $guard = freeze_mainloop;	2905	warn "entering sync_job";
		2906
		2907	cf::sync_job {
		2908	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2909	cf::emergency_save;
		2910	cf::write_runtime; # external watchdog should not bark
2225		2911
2226	eval {	2912	warn "syncing database to disk";
		2913	BDB::db_env_txn_checkpoint $DB_ENV;
		2914
2227	# if anything goes wrong in here, we should simply crash as we already saved	2915	# if anything goes wrong in here, we should simply crash as we already saved
2228		2916
2229	# cancel all watchers	2917	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2918	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2919	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2920	}
2233		2921
		2922	warn "flushing outstanding aio requests";
		2923	for (;;) {
		2924	BDB::flush;
		2925	IO::AIO::flush;
		2926	Coro::cede;
		2927	last unless IO::AIO::nreqs || BDB::nreqs;
		2928	warn "iterate...";
		2929	}
		2930
		2931	++$RELOAD;
		2932
2234	# cancel all extension coros	2933	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2934	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2935	%EXT_CORO = ();
2237		2936
2238	# unload all extensions	2937	warn "removing commands";
2239	for (@exts) {	2938	%COMMAND = ();
		2939
		2940	warn "removing ext/exti commands";
		2941	%EXTCMD = ();
		2942	%EXTICMD = ();
		2943
		2944	warn "unloading/nuking all extensions";
		2945	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2946	warn "... unloading $pkg";
2241	unload_extension $_;	2947
		2948	if (my $cb = $pkg->can ("unload")) {
		2949	eval {
		2950	$cb->($pkg);
		2951	1
		2952	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2953	}
2243		2954
		2955	warn "... nuking $pkg";
		2956	Symbol::delete_package $pkg;
		2957	}
		2958
2244	# unload all modules loaded from $LIBDIR	2959	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2960	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2961	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2962
2248	warn "removing <$k>";	2963	warn "... unloading $k";
2249	delete $INC{$k};	2964	delete $INC{$k};
2250		2965
2251	$k =~ s/\.pm$//;	2966	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2967	$k =~ s/\//::/g;
2253		2968
…		…
2256	}	2971	}
2257		2972
2258	Symbol::delete_package $k;	2973	Symbol::delete_package $k;
2259	}	2974	}
2260		2975
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2976	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2977	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2978	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2979
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2980	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2981	delete $INC{"cf.pm"};
		2982	delete $INC{"cf/pod.pm"};
2274		2983
2275	# don't, removes xs symbols, too,	2984	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2985	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2986	#Symbol::delete_package __PACKAGE__;
2278		2987
2279	# reload cf.pm	2988	warn "unload completed, starting to reload now";
		2989
2280	warn "reloading cf.pm";	2990	warn "reloading cf.pm";
2281	require cf;	2991	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2992	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2993
2284	# load config and database again	2994	warn "loading config and database again";
2285	cf::cfg_load;	2995	cf::cfg_load;
2286	cf::db_load;
2287		2996
2288	# load extensions
2289	warn "load extensions";	2997	warn "loading extensions";
2290	cf::load_extensions;	2998	cf::load_extensions;
2291		2999
2292	# reattach attachments to objects	3000	warn "reattaching attachments to objects/players";
2293	warn "reattach";	3001	_global_reattach; # objects, sockets
2294	_global_reattach;	3002	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	3003	reattach $_ for values %MAP;
2296	};	3004	warn "reattaching attachments to players";
		3005	reattach $_ for values %PLAYER;
2297		3006
2298	if ($@) {	3007	warn "leaving sync_job";
		3008
		3009	1
		3010	} or do {
2299	warn $@;	3011	warn $@;
2300	warn "error while reloading, exiting.";	3012	warn "error while reloading, exiting.";
2301	exit 1;	3013	exit 1;
2302	}	3014	};
2303		3015
2304	warn "reloaded successfully";	3016	warn "reloaded";
2305	};	3017	};
2306		3018
2307	#############################################################################	3019	our $RELOAD_WATCHER; # used only during reload
2308		3020
2309	unless ($LINK_MAP) {	3021	sub reload_perl() {
2310	$LINK_MAP = cf::map::new;	3022	# doing reload synchronously and two reloads happen back-to-back,
		3023	# coro crashes during coro_state_free->destroy here.
2311		3024
2312	$LINK_MAP->width (41);	3025	$RELOAD_WATCHER ||= Event->timer (
2313	$LINK_MAP->height (41);	3026	reentrant => 0,
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,	3027	after => 0,
		3028	data => WF_AUTOCANCEL,
2322	cb => sub {	3029	cb => sub {
2323	$_[0]->w->cancel;	3030	do_reload_perl;
2324		3031	undef $RELOAD_WATCHER;
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});	3032	},
2343		3033	);
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	3034	}
2349
2350	register "<global>", __PACKAGE__;
2351		3035
2352	register_command "reload" => sub {	3036	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	3037	my ($who, $arg) = @_;
2354		3038
2355	if ($who->flag (FLAG_WIZ)) {	3039	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	3040	$who->message ("reloading server.");
		3041	async { reload_perl };
2359	}	3042	}
2360	};	3043	};
2361		3044
2362	unshift @INC, $LIBDIR;	3045	unshift @INC, $LIBDIR;
2363		3046
		3047	my $bug_warning = 0;
		3048
		3049	our @WAIT_FOR_TICK;
		3050	our @WAIT_FOR_TICK_BEGIN;
		3051
		3052	sub wait_for_tick {
		3053	return unless $TICK_WATCHER->is_active;
		3054	return if $Coro::current == $Coro::main;
		3055
		3056	my $signal = new Coro::Signal;
		3057	push @WAIT_FOR_TICK, $signal;
		3058	$signal->wait;
		3059	}
		3060
		3061	sub wait_for_tick_begin {
		3062	return unless $TICK_WATCHER->is_active;
		3063	return if $Coro::current == $Coro::main;
		3064
		3065	my $signal = new Coro::Signal;
		3066	push @WAIT_FOR_TICK_BEGIN, $signal;
		3067	$signal->wait;
		3068	}
		3069
		3070	my $min = 1e6;#d#
		3071	my $avg = 10;
2364	$TICK_WATCHER = Event->timer (	3072	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	3073	reentrant => 0,
		3074	parked => 1,
2366	prio => 0,	3075	prio => 0,
2367	at => $NEXT_TICK || $TICK,	3076	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	3077	data => WF_AUTOCANCEL,
2369	cb => sub {	3078	cb => sub {
		3079	if ($Coro::current != $Coro::main) {
		3080	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3081	unless ++$bug_warning > 10;
		3082	return;
		3083	}
		3084
		3085	$NOW = $tick_start = Event::time;
		3086
2370	cf::server_tick; # one server iteration	3087	cf::server_tick; # one server iteration
		3088
		3089	0 && sync_job {#d#
		3090	for(1..10) {
		3091	my $t = Event::time;
		3092	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3093	or die;
		3094
		3095	$map->width (50);
		3096	$map->height (50);
		3097	$map->alloc;
		3098	$map->_load_objects ("/tmp/x.map", 1);
		3099	my $t = Event::time - $t;
		3100
		3101	#next unless $t < 0.0013;#d#
		3102	if ($t < $min) {
		3103	$min = $t;
		3104	}
		3105	$avg = $avg * 0.99 + $t * 0.01;
		3106	}
		3107	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3108	exit 0;
		3109	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3110	};
		3111
2371	$RUNTIME += $TICK;	3112	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	3113	$NEXT_TICK += $TICK;
2373		3114
		3115	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3116	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3117	Coro::async_pool {
		3118	write_runtime
		3119	or warn "ERROR: unable to write runtime file: $!";
		3120	};
		3121	}
		3122
		3123	# my $AFTER = Event::time;
		3124	# warn $AFTER - $NOW;#d#
		3125
		3126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3127	$sig->send;
		3128	}
		3129	while (my $sig = shift @WAIT_FOR_TICK) {
		3130	$sig->send;
		3131	}
		3132
		3133	$NOW = Event::time;
		3134
2374	# if we are delayed by four ticks or more, skip them all	3135	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3136	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2376		3137
2377	$TICK_WATCHER->at ($NEXT_TICK);	3138	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	3139	$TICK_WATCHER->start;
		3140
		3141	$LOAD = ($NOW - $tick_start) / $TICK;
		3142	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3143
		3144	_post_tick;
		3145
		3146
2379	},	3147	},
2380	);	3148	);
2381		3149
		3150	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	3151	BDB::max_poll_time $TICK * 0.1;
2383		3152	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	3153	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	3154	fd => BDB::poll_fileno,
2386	poll => 'r',	3155	poll => 'r',
2387	prio => 5,	3156	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	3157	data => WF_AUTOCANCEL,
2394	after => 0,	3158	cb => \&BDB::poll_cb,
2395	interval => 10,	3159	);
2396	cb => sub {	3160	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	3161
2398	write_runtime	3162	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	3163	my $status;
		3164	my $current = $Coro::current;
		3165	(
		3166	sub {
		3167	$status = $!;
		3168	$current->ready; undef $current;
		3169	},
		3170	sub {
		3171	Coro::schedule while defined $current;
		3172	$! = $status;
		3173	},
		3174	)
		3175	};
		3176
		3177	unless ($DB_ENV) {
		3178	$DB_ENV = BDB::db_env_create;
		3179
		3180	cf::sync_job {
		3181	eval {
		3182	BDB::db_env_open
		3183	$DB_ENV,
		3184	$BDBDIR,
		3185	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3186	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3187	0666;
		3188
		3189	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3190
		3191	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3192	$DB_ENV->set_lk_detect;
		3193	};
		3194
		3195	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	3196	};
2401	},	3197	}
2402	);	3198	}
		3199
		3200	{
		3201	IO::AIO::min_parallel 8;
		3202
		3203	undef $Coro::AIO::WATCHER;
		3204	IO::AIO::max_poll_time $TICK * 0.1;
		3205	$AIO_POLL_WATCHER = Event->io (
		3206	reentrant => 0,
		3207	data => WF_AUTOCANCEL,
		3208	fd => IO::AIO::poll_fileno,
		3209	poll => 'r',
		3210	prio => 6,
		3211	cb => \&IO::AIO::poll_cb,
		3212	);
		3213	}
		3214
		3215	my $_log_backtrace;
		3216
		3217	sub _log_backtrace {
		3218	my ($msg, @addr) = @_;
		3219
		3220	$msg =~ s/\n//;
		3221
		3222	# limit the # of concurrent backtraces
		3223	if ($_log_backtrace < 2) {
		3224	++$_log_backtrace;
		3225	async {
		3226	my @bt = fork_call {
		3227	@addr = map { sprintf "%x", $_ } @addr;
		3228	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3229	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3230	or die "addr2line: $!";
		3231
		3232	my @funcs;
		3233	my @res = <$fh>;
		3234	chomp for @res;
		3235	while (@res) {
		3236	my ($func, $line) = splice @res, 0, 2, ();
		3237	push @funcs, "[$func] $line";
		3238	}
		3239
		3240	@funcs
		3241	};
		3242
		3243	LOG llevInfo, "[ABT] $msg\n";
		3244	LOG llevInfo, "[ABT] $_\n" for @bt;
		3245	--$_log_backtrace;
		3246	};
		3247	} else {
		3248	LOG llevInfo, "[ABT] $msg\n";
		3249	LOG llevInfo, "[ABT] [suppressed]\n";
		3250	}
		3251	}
		3252
		3253	# load additional modules
		3254	use cf::pod;
2403		3255
2404	END { cf::emergency_save }	3256	END { cf::emergency_save }
2405		3257
2406	1	3258	1
2407		3259

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