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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 1.291 by root, Tue Jul 3 00:54:44 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	warn "hm<$_[0] $_[1]>\n";#d#
		1424	$_[0]{hintmode} = $_[1] if @_ > 1;
		1425	$_[0]{hintmode}
		1426	}
		1427
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1428	=item $player->ext_reply ($msgid, %msg)
1267		1429
1268	Sends an ext reply to the player.	1430	Sends an ext reply to the player.
1269		1431
1270	=cut	1432	=cut
1271		1433
1272	sub ext_reply($$$%) {	1434	sub ext_reply($$%) {
1273	my ($self, $id, %msg) = @_;	1435	my ($self, $id, %msg) = @_;
1274		1436
1275	$msg{msgid} = $id;	1437	$msg{msgid} = $id;
1276		1438	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1277	$self->send ("ext " . cf::to_json \%msg);
1278	}	1439	}
1279		1440
1280	package cf;	1441	=item $player->ext_event ($type, %msg)
		1442
		1443	Sends an ext event to the client.
		1444
		1445	=cut
		1446
		1447	sub ext_event($$%) {
		1448	my ($self, $type, %msg) = @_;
		1449
		1450	$self->ns->ext_event ($type, %msg);
		1451	}
		1452
		1453	=head3 cf::region
		1454
		1455	=over 4
		1456
		1457	=cut
		1458
		1459	package cf::region;
		1460
		1461	=item cf::region::find_by_path $path
		1462
		1463	Tries to decuce the likely region for a map knowing only its path.
		1464
		1465	=cut
		1466
		1467	sub find_by_path($) {
		1468	my ($path) = @_;
		1469
		1470	my ($match, $specificity);
		1471
		1472	for my $region (list) {
		1473	if ($region->match && $path =~ $region->match) {
		1474	($match, $specificity) = ($region, $region->specificity)
		1475	if $region->specificity > $specificity;
		1476	}
		1477	}
		1478
		1479	$match
		1480	}
1281		1481
1282	=back	1482	=back
1283
1284		1483
1285	=head3 cf::map	1484	=head3 cf::map
1286		1485
1287	=over 4	1486	=over 4
1288		1487
…		…
1291	package cf::map;	1490	package cf::map;
1292		1491
1293	use Fcntl;	1492	use Fcntl;
1294	use Coro::AIO;	1493	use Coro::AIO;
1295		1494
		1495	use overload
		1496	'""' => \&as_string,
		1497	fallback => 1;
		1498
1296	our $MAX_RESET = 3600;	1499	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1500	our $DEFAULT_RESET = 3000;
1298		1501
1299	sub generate_random_map {	1502	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1503	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1504	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1505	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1506	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1507	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1508	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1509	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1510	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1511	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1512	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1513	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1514	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1515	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1516	(cf::region::find $rmp->{region}), $rmp->{custom}
		1517	)
		1518	}
		1519
		1520	=item cf::map->register ($regex, $prio)
		1521
		1522	Register a handler for the map path matching the given regex at the
		1523	givne priority (higher is better, built-in handlers have priority 0, the
		1524	default).
		1525
		1526	=cut
		1527
		1528	sub register {
		1529	my (undef, $regex, $prio) = @_;
		1530	my $pkg = caller;
		1531
		1532	no strict;
		1533	push @{"$pkg\::ISA"}, __PACKAGE__;
		1534
		1535	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1536	}
		1537
		1538	# also paths starting with '/'
		1539	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1540
		1541	sub thawer_merge {
		1542	my ($self, $merge) = @_;
		1543
		1544	# we have to keep some variables in memory intact
		1545	local $self->{path};
		1546	local $self->{load_path};
		1547
		1548	$self->SUPER::thawer_merge ($merge);
		1549	}
		1550
		1551	sub normalise {
		1552	my ($path, $base) = @_;
		1553
		1554	$path = "$path"; # make sure its a string
		1555
		1556	$path =~ s/\.map$//;
		1557
		1558	# map plan:
		1559	#
		1560	# /! non-realised random map exit (special hack!)
		1561	# {... are special paths that are not being touched
		1562	# ?xxx/... are special absolute paths
		1563	# ?random/... random maps
		1564	# /... normal maps
		1565	# ~user/... per-player map of a specific user
		1566
		1567	$path =~ s/$PATH_SEP/\//go;
		1568
		1569	# treat it as relative path if it starts with
		1570	# something that looks reasonable
		1571	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1572	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1573
		1574	$base =~ s{[^/]+/?$}{};
		1575	$path = "$base/$path";
		1576	}
		1577
		1578	for ($path) {
		1579	redo if s{//}{/};
		1580	redo if s{/\.?/}{/};
		1581	redo if s{/[^/]+/\.\./}{/};
		1582	}
		1583
		1584	$path
		1585	}
		1586
		1587	sub new_from_path {
		1588	my (undef, $path, $base) = @_;
		1589
		1590	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1591
		1592	$path = normalise $path, $base;
		1593
		1594	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1595	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1596	my $self = bless cf::map::new, $pkg;
		1597	$self->{path} = $path; $self->path ($path);
		1598	$self->init; # pass $1 etc.
		1599	return $self;
		1600	}
		1601	}
		1602
		1603	Carp::carp "unable to resolve path '$path' (base '$base').";
		1604	()
		1605	}
		1606
		1607	sub init {
		1608	my ($self) = @_;
		1609
		1610	$self
		1611	}
		1612
		1613	sub as_string {
		1614	my ($self) = @_;
		1615
		1616	"$self->{path}"
		1617	}
		1618
		1619	# the displayed name, this is a one way mapping
		1620	sub visible_name {
		1621	&as_string
		1622	}
		1623
		1624	# the original (read-only) location
		1625	sub load_path {
		1626	my ($self) = @_;
		1627
		1628	"$MAPDIR/$self->{path}.map"
		1629	}
		1630
		1631	# the temporary/swap location
		1632	sub save_path {
		1633	my ($self) = @_;
		1634
		1635	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1636	"$TMPDIR/$path.map"
		1637	}
		1638
		1639	# the unique path, undef == no special unique path
		1640	sub uniq_path {
		1641	my ($self) = @_;
		1642
		1643	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1644	"$UNIQUEDIR/$path"
1316	}	1645	}
1317		1646
1318	# and all this just because we cannot iterate over	1647	# and all this just because we cannot iterate over
1319	# all maps in C++...	1648	# all maps in C++...
1320	sub change_all_map_light {	1649	sub change_all_map_light {
…		…
1322		1651
1323	$_->change_map_light ($change)	1652	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1653	for grep $_->outdoor, values %cf::MAP;
1325	}	1654	}
1326		1655
		1656	sub decay_objects {
		1657	my ($self) = @_;
		1658
		1659	return if $self->{deny_reset};
		1660
		1661	$self->do_decay_objects;
		1662	}
		1663
		1664	sub unlink_save {
		1665	my ($self) = @_;
		1666
		1667	utf8::encode (my $save = $self->save_path);
		1668	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1669	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1670	}
		1671
1327	sub try_load_header($) {	1672	sub load_header_from($) {
1328	my ($path) = @_;	1673	my ($self, $path) = @_;
1329		1674
1330	utf8::encode $path;	1675	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1676	#aio_open $path, O_RDONLY, 0
		1677	# or return;
		1678
		1679	$self->_load_header ($path)
1332	or return;	1680	or return;
1333		1681
1334	my $map = cf::map::new	1682	$self->{load_path} = $path;
		1683
		1684	1
		1685	}
		1686
		1687	sub load_header_orig {
		1688	my ($self) = @_;
		1689
		1690	$self->load_header_from ($self->load_path)
		1691	}
		1692
		1693	sub load_header_temp {
		1694	my ($self) = @_;
		1695
		1696	$self->load_header_from ($self->save_path)
		1697	}
		1698
		1699	sub prepare_temp {
		1700	my ($self) = @_;
		1701
		1702	$self->last_access ((delete $self->{last_access})
		1703	|| $cf::RUNTIME); #d#
		1704	# safety
		1705	$self->{instantiate_time} = $cf::RUNTIME
		1706	if $self->{instantiate_time} > $cf::RUNTIME;
		1707	}
		1708
		1709	sub prepare_orig {
		1710	my ($self) = @_;
		1711
		1712	$self->{load_original} = 1;
		1713	$self->{instantiate_time} = $cf::RUNTIME;
		1714	$self->last_access ($cf::RUNTIME);
		1715	$self->instantiate;
		1716	}
		1717
		1718	sub load_header {
		1719	my ($self) = @_;
		1720
		1721	if ($self->load_header_temp) {
		1722	$self->prepare_temp;
		1723	} else {
		1724	$self->load_header_orig
1335	or return;	1725	or return;
		1726	$self->prepare_orig;
		1727	}
1336		1728
1337	# for better error messages only, will be overwritten	1729	$self->{deny_reset} = 1
1338	$map->path ($path);	1730	if $self->no_reset;
1339		1731
1340	$map->load_header ($path)	1732	$self->default_region (cf::region::find_by_path $self->{path})
1341	or return;	1733	unless $self->default_region;
1342		1734
1343	$map->{load_path} = $path;	1735	1
1344
1345	$map
1346	}	1736	}
1347		1737
1348	sub find;	1738	sub find;
1349	sub find {	1739	sub find {
1350	my ($path, $origin) = @_;	1740	my ($path, $origin) = @_;
1351		1741
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1742	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1743
1357	cf::lock_wait "map_find:$key";	1744	cf::lock_wait "map_find:$path";
1358		1745
1359	$cf::MAP{$key} || do {	1746	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1747	my $guard = cf::lock_acquire "map_find:$path";
1361		1748	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;	1749	or return;
1381		1750
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;	1751	$map->{last_save} = $cf::RUNTIME;
1394		1752
1395	Coro::cede;	1753	$map->load_header
		1754	or return;
1396		1755
1397	if ($map->should_reset) {	1756	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1757	# doing this can freeze the server in a sync job, obviously
		1758	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1759	$map->reset;
1399	undef $guard;	1760	undef $guard;
1400	$map = find $path	1761	return find $path;
1401	or return;
1402	}	1762	}
1403		1763
1404	$cf::MAP{$key} = $map	1764	$cf::MAP{$path} = $map
1405	}	1765	}
1406	}	1766	}
		1767
		1768	sub pre_load { }
		1769	sub post_load { }
1407		1770
1408	sub load {	1771	sub load {
1409	my ($self) = @_;	1772	my ($self) = @_;
1410		1773
		1774	local $self->{deny_reset} = 1; # loading can take a long time
		1775
1411	my $path = $self->{path};	1776	my $path = $self->{path};
		1777
		1778	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1779	my $guard = cf::lock_acquire "map_load:$path";
1413		1780
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1781	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1782
1416	$self->in_memory (cf::MAP_LOADING);	1783	$self->in_memory (cf::MAP_LOADING);
1417		1784
1418	$self->alloc;	1785	$self->alloc;
		1786
		1787	$self->pre_load;
		1788	Coro::cede;
		1789
1419	$self->load_objects ($self->{load_path}, 1)	1790	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1791	or return;
1421		1792
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1793	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1794	if delete $self->{load_original};
1424		1795
1425	if (my $uniq = $path->uniq_path) {	1796	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1797	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1798	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1799	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1800	$self->_load_objects ($uniq, 0);
1430	}	1801	}
1431	}	1802	}
1432		1803
1433	Coro::cede;	1804	Coro::cede;
1434
1435	# now do the right thing for maps	1805	# now do the right thing for maps
1436	$self->link_multipart_objects;	1806	$self->link_multipart_objects;
1437
1438	if ($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)	1807	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1808	unless $self->difficulty;
		1809	Coro::cede;
		1810
		1811	unless ($self->{deny_activate}) {
		1812	$self->decay_objects;
		1813	$self->fix_auto_apply;
		1814	$self->update_buttons;
		1815	Coro::cede;
		1816	$self->set_darkness_map;
		1817	Coro::cede;
1448	$self->activate;	1818	$self->activate;
1449	}	1819	}
1450		1820
1451	Coro::cede;
1452
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1821	$self->in_memory (cf::MAP_IN_MEMORY);
		1822	}
		1823
		1824	$self->post_load;
		1825	}
		1826
		1827	sub customise_for {
		1828	my ($self, $ob) = @_;
		1829
		1830	return find "~" . $ob->name . "/" . $self->{path}
		1831	if $self->per_player;
		1832
		1833	# return find "?party/" . $ob->name . "/" . $self->{path}
		1834	# if $self->per_party;
		1835
		1836	$self
		1837	}
		1838
		1839	# find and load all maps in the 3x3 area around a map
		1840	sub load_diag {
		1841	my ($map) = @_;
		1842
		1843	my @diag; # diagonal neighbours
		1844
		1845	for (0 .. 3) {
		1846	my $neigh = $map->tile_path ($_)
		1847	or next;
		1848	$neigh = find $neigh, $map
		1849	or next;
		1850	$neigh->load;
		1851
		1852	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1853	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1854	}
		1855
		1856	for (@diag) {
		1857	my $neigh = find @$_
		1858	or next;
		1859	$neigh->load;
		1860	}
1454	}	1861	}
1455		1862
1456	sub find_sync {	1863	sub find_sync {
1457	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1458		1865
1459	cf::sync_job { cf::map::find $path, $origin }	1866	cf::sync_job { find $path, $origin }
1460	}	1867	}
1461		1868
1462	sub do_load_sync {	1869	sub do_load_sync {
1463	my ($map) = @_;	1870	my ($map) = @_;
1464		1871
1465	cf::sync_job { $map->load };	1872	cf::sync_job { $map->load };
1466	}	1873	}
1467		1874
		1875	our %MAP_PREFETCH;
		1876	our $MAP_PREFETCHER = undef;
		1877
		1878	sub find_async {
		1879	my ($path, $origin) = @_;
		1880
		1881	$path = normalise $path, $origin && $origin->{path};
		1882
		1883	if (my $map = $cf::MAP{$path}) {
		1884	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1885	}
		1886
		1887	undef $MAP_PREFETCH{$path};
		1888	$MAP_PREFETCHER ||= cf::async {
		1889	while (%MAP_PREFETCH) {
		1890	for my $path (keys %MAP_PREFETCH) {
		1891	my $map = find $path
		1892	or next;
		1893	$map->load;
		1894
		1895	delete $MAP_PREFETCH{$path};
		1896	}
		1897	}
		1898	undef $MAP_PREFETCHER;
		1899	};
		1900	$MAP_PREFETCHER->prio (6);
		1901
		1902	()
		1903	}
		1904
1468	sub save {	1905	sub save {
1469	my ($self) = @_;	1906	my ($self) = @_;
1470		1907
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1908	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1909
1473	$self->{last_save} = $cf::RUNTIME;	1910	$self->{last_save} = $cf::RUNTIME;
1474		1911
1475	return unless $self->dirty;	1912	return unless $self->dirty;
1476		1913
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1914	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1915	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1916
1480	$self->{load_path} = $save;	1917	$self->{load_path} = $save;
1481		1918
1482	return if $self->{deny_save};	1919	return if $self->{deny_save};
1483		1920
…		…
1486	cf::async {	1923	cf::async {
1487	$_->contr->save for $self->players;	1924	$_->contr->save for $self->players;
1488	};	1925	};
1489		1926
1490	if ($uniq) {	1927	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1928	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1929	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1930	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1931	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1932	}
1496	}	1933	}
1497		1934
1498	sub swap_out {	1935	sub swap_out {
1499	my ($self) = @_;	1936	my ($self) = @_;
…		…
1513		1950
1514	sub reset_at {	1951	sub reset_at {
1515	my ($self) = @_;	1952	my ($self) = @_;
1516		1953
1517	# TODO: safety, remove and allow resettable per-player maps	1954	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	1955	return 1e99 if $self->{deny_reset};
1520		1956
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1957	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1958	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1959
…		…
1528	my ($self) = @_;	1964	my ($self) = @_;
1529		1965
1530	$self->reset_at <= $cf::RUNTIME	1966	$self->reset_at <= $cf::RUNTIME
1531	}	1967	}
1532		1968
1533	sub unlink_save {
1534	my ($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	$self->save;
1552	}
1553
1554	sub reset {	1969	sub reset {
1555	my ($self) = @_;	1970	my ($self) = @_;
1556		1971
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1972	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1973
1559	return if $self->players;	1974	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		1975
1562	warn "resetting map ", $self->path;#d#	1976	warn "resetting map ", $self->path;
		1977
		1978	$self->in_memory (cf::MAP_SWAPPED);
		1979
		1980	# need to save uniques path
		1981	unless ($self->{deny_save}) {
		1982	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1983
		1984	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1985	if $uniq;
		1986	}
1563		1987
1564	delete $cf::MAP{$self->path};	1988	delete $cf::MAP{$self->path};
		1989
		1990	$self->clear;
1565		1991
1566	$_->clear_links_to ($self) for values %cf::MAP;	1992	$_->clear_links_to ($self) for values %cf::MAP;
1567		1993
1568	$self->unlink_save;	1994	$self->unlink_save;
1569	$self->destroy;	1995	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1998	my $nuke_counter = "aaaa";
1573		1999
1574	sub nuke {	2000	sub nuke {
1575	my ($self) = @_;	2001	my ($self) = @_;
1576		2002
		2003	delete $cf::MAP{$self->path};
		2004
		2005	$self->unlink_save;
		2006
		2007	bless $self, "cf::map";
		2008	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	2009	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2010	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2011	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2012
		2013	$cf::MAP{$self->path} = $self;
		2014
1580	$self->reset; # polite request, might not happen	2015	$self->reset; # polite request, might not happen
1581	}	2016	}
1582		2017
1583	sub customise_for {	2018	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2019
1586	if ($map->per_player) {	2020	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2021	maps. May block.
		2022
		2023	=cut
		2024
		2025	sub tmp_maps() {
1588	}	2026	[
1589		2027	map {
1590	$map	2028	utf8::decode $_;
		2029	/\.map$/
		2030	? normalise $_
		2031	: ()
		2032	} @{ aio_readdir $TMPDIR or [] }
		2033	]
1591	}	2034	}
1592		2035
1593	sub emergency_save {	2036	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2037
1596	warn "enter emergency perl save\n";	2038	Returns an arrayref with all map paths of currently instantiated and saved
		2039	random maps. May block.
1597		2040
1598	cf::sync_job {	2041	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2042
1603	warn "begin emergency map save\n";	2043	sub random_maps() {
1604	$_->save for values %cf::MAP;	2044	[
1605	warn "end emergency map save\n";	2045	map {
1606	};	2046	utf8::decode $_;
		2047	/\.map$/
		2048	? normalise "?random/$_"
		2049	: ()
		2050	} @{ aio_readdir $RANDOMDIR or [] }
		2051	]
		2052	}
1607		2053
1608	warn "leave emergency perl save\n";	2054	=item cf::map::unique_maps
		2055
		2056	Returns an arrayref of paths of all shared maps that have
		2057	instantiated unique items. May block.
		2058
		2059	=cut
		2060
		2061	sub unique_maps() {
		2062	[
		2063	map {
		2064	utf8::decode $_;
		2065	/\.map$/
		2066	? normalise $_
		2067	: ()
		2068	} @{ aio_readdir $UNIQUEDIR or [] }
		2069	]
1609	}	2070	}
1610		2071
1611	package cf;	2072	package cf;
1612		2073
1613	=back	2074	=back
1614		2075
		2076	=head3 cf::object
		2077
		2078	=cut
		2079
		2080	package cf::object;
		2081
		2082	=over 4
		2083
		2084	=item $ob->inv_recursive
		2085
		2086	Returns the inventory of the object _and_ their inventories, recursively.
		2087
		2088	=cut
		2089
		2090	sub inv_recursive_;
		2091	sub inv_recursive_ {
		2092	map { $_, inv_recursive_ $_->inv } @_
		2093	}
		2094
		2095	sub inv_recursive {
		2096	inv_recursive_ inv $_[0]
		2097	}
		2098
		2099	package cf;
		2100
		2101	=back
1615		2102
1616	=head3 cf::object::player	2103	=head3 cf::object::player
1617		2104
1618	=over 4	2105	=over 4
1619		2106
…		…
1633		2120
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2121	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2122
1636	if ($self->{record_replies}) {	2123	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2124	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2125
1638	} else {	2126	} else {
		2127	my $pl = $self->contr;
		2128
		2129	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2130	my $diag = $pl->{npc_dialog};
		2131	$diag->{pl}->ext_reply (
		2132	$diag->{id},
		2133	msgtype => "reply",
		2134	msg => $diag->{pl}->expand_cfpod ($msg),
		2135	add_topics => []
		2136	);
		2137
		2138	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2139	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2140	$self->message ($msg, $flags);
		2141	}
1641	}	2142	}
1642	}	2143	}
1643		2144
1644	=item $player_object->may ("access")	2145	=item $player_object->may ("access")
1645		2146
…		…
1659		2160
1660	=item $player_object->enter_link	2161	=item $player_object->enter_link
1661		2162
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2163	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2164
1664	The player should be reaosnably safe there for short amounts of time. You	2165	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.	2166	I<MUST> call C<leave_link> as soon as possible, though.
1666		2167
		2168	Will never block.
		2169
1667	=item $player_object->leave_link ($map, $x, $y)	2170	=item $player_object->leave_link ($map, $x, $y)
1668		2171
1669	Moves the player out of the specila link map onto the given map. If the	2172	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2173	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2174	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2175	fails, to the emergency map position.
1673		2176
1674	Might block.	2177	Might block.
1675		2178
1676	=cut	2179	=cut
		2180
		2181	sub link_map {
		2182	unless ($LINK_MAP) {
		2183	$LINK_MAP = cf::map::find "{link}"
		2184	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2185	$LINK_MAP->load;
		2186	}
		2187
		2188	$LINK_MAP
		2189	}
1677		2190
1678	sub cf::object::player::enter_link {	2191	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2192	my ($self) = @_;
1680		2193
1681	$self->deactivate_recursive;	2194	$self->deactivate_recursive;
1682		2195
1683	return if $self->map == $LINK_MAP;	2196	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2197
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2198	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2199	if $self->map && $self->map->{path} ne "{link}";
1687		2200
1688	$self->enter_map ($LINK_MAP, 20, 20);	2201	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	2202	}
1690		2203
1691	sub cf::object::player::leave_link {	2204	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2205	my ($self, $map, $x, $y) = @_;
		2206
		2207	return unless $self->contr->active;
1693		2208
1694	my $link_pos = delete $self->{_link_pos};	2209	my $link_pos = delete $self->{_link_pos};
1695		2210
1696	unless ($map) {	2211	unless ($map) {
1697	# restore original map position	2212	# restore original map position
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	2226	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2227	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2228	if $x <=0 && $y <= 0;
1714		2229
1715	$map->load;	2230	$map->load;
		2231	$map->load_diag;
1716		2232
1717	return unless $self->contr->active;	2233	return unless $self->contr->active;
1718	$self->activate_recursive;	2234	$self->activate_recursive;
		2235
		2236	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	2237	$self->enter_map ($map, $x, $y);
1720	}	2238	}
1721		2239
1722	cf::player->attach (
1723	on_logout => sub {
1724	my ($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)	2240	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1755		2241
		2242	Moves the player to the given map-path and coordinates by first freezing
		2243	her, loading and preparing them map, calling the provided $check callback
		2244	that has to return the map if sucecssful, and then unfreezes the player on
		2245	the new (success) or old (failed) map position.
		2246
1756	=cut	2247	=cut
		2248
		2249	our $GOTOGEN;
1757		2250
1758	sub cf::object::player::goto {	2251	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2252	my ($self, $path, $x, $y, $check) = @_;
1760		2253
1761	$path = new cf::path $path;	2254	# do generation counting so two concurrent goto's will be executed in-order
1762	$path ne "/" or Carp::cluck ("oy");#d#	2255	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2256
1764	$self->enter_link;	2257	$self->enter_link;
1765		2258
1766	(async {	2259	(async {
		2260	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	2261	my $map = cf::map::find $path;
		2262
		2263	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2264	$map = $map->customise_for ($self);
1769		2265	$map = $check->($map) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2266	} else {
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2267	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2268	}
1774		2269
		2270	$map
		2271	};
		2272
		2273	if ($@) {
		2274	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2275	LOG llevError | logBacktrace, Carp::longmess $@;
		2276	}
		2277
		2278	if ($gen == $self->{_goto_generation}) {
		2279	delete $self->{_goto_generation};
1775	$self->leave_link ($map, $x, $y);	2280	$self->leave_link ($map, $x, $y);
		2281	}
1776	})->prio (1);	2282	})->prio (1);
1777	}	2283	}
1778		2284
1779	=item $player_object->enter_exit ($exit_object)	2285	=item $player_object->enter_exit ($exit_object)
1780		2286
…		…
1782		2288
1783	sub parse_random_map_params {	2289	sub parse_random_map_params {
1784	my ($spec) = @_;	2290	my ($spec) = @_;
1785		2291
1786	my $rmp = { # defaults	2292	my $rmp = { # defaults
1787	xsize => 10,	2293	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2294	ysize => (cf::rndm 15, 40),
		2295	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2296	#layout => string,
1789	};	2297	};
1790		2298
1791	for (split /\n/, $spec) {	2299	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2300	my ($k, $v) = split /\s+/, $_, 2;
1793		2301
…		…
1797	$rmp	2305	$rmp
1798	}	2306	}
1799		2307
1800	sub prepare_random_map {	2308	sub prepare_random_map {
1801	my ($exit) = @_;	2309	my ($exit) = @_;
		2310
		2311	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		2312
1803	# all this does is basically replace the /! path by	2313	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	2314	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	2315	# that depends on the exit object
1806		2316
1807	my $rmp = parse_random_map_params $exit->msg;	2317	my $rmp = parse_random_map_params $exit->msg;
1808		2318
1809	if ($exit->map) {	2319	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2320	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2321	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2322	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2323	$rmp->{origin_y} = $exit->y;
1814	}	2324	}
1815		2325
1816	$rmp->{random_seed} ||= $exit->random_seed;	2326	$rmp->{random_seed} ||= $exit->random_seed;
1817		2327
1818	my $data = cf::to_json $rmp;	2328	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	2329	my $md5 = Digest::MD5::md5_hex $data;
		2330	my $meta = "$RANDOMDIR/$md5.meta";
1820		2331
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2332	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2333	aio_write $fh, 0, (length $data), $data, 0;
		2334	undef $fh;
		2335	aio_rename "$meta~", $meta;
1823		2336
1824	$exit->slaying ("?random/$md5");	2337	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2338	$exit->msg (undef);
1826	}	2339	}
1827	}	2340	}
1828		2341
1829	sub cf::object::player::enter_exit {	2342	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2343	my ($self, $exit) = @_;
1831		2344
1832	return unless $self->type == cf::PLAYER;	2345	return unless $self->type == cf::PLAYER;
		2346
		2347	if ($exit->slaying eq "/!") {
		2348	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2349	# the problem is that $exit might not survive long enough
		2350	# so it needs to be done right now, right here
		2351	cf::sync_job { prepare_random_map $exit };
		2352	}
		2353
		2354	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2355	my $hp = $exit->stats->hp;
		2356	my $sp = $exit->stats->sp;
1833		2357
1834	$self->enter_link;	2358	$self->enter_link;
1835		2359
1836	(async {	2360	(async {
1837	$self->deactivate_recursive; # just to be sure	2361	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2362	unless (eval {
1839	prepare_random_map $exit	2363	$self->goto ($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		2364
1845	1;	2365	1;
1846	}) {	2366	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2367	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	2368	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2369	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2370	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2371
1852	warn "ERROR in enter_exit: $@";	2372	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2373	$self->leave_link;
1854	}	2374	}
1855	})->prio (1);	2375	})->prio (1);
…		…
1868		2388
1869	sub cf::client::send_drawinfo {	2389	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2390	my ($self, $text, $flags) = @_;
1871		2391
1872	utf8::encode $text;	2392	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2393	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2394	}
1875		2395
		2396	=item $client->send_msg ($color, $type, $msg, [extra...])
		2397
		2398	Send a drawinfo or msg packet to the client, formatting the msg for the
		2399	client if neccessary. C<$type> should be a string identifying the type of
		2400	the message, with C<log> being the default. If C<$color> is negative, suppress
		2401	the message unless the client supports the msg packet.
		2402
		2403	=cut
		2404
		2405	sub cf::client::send_msg {
		2406	my ($self, $color, $type, $msg, @extra) = @_;
		2407
		2408	$msg = $self->pl->expand_cfpod ($msg);
		2409
		2410	if ($self->can_msg) {
		2411	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2412	} else {
		2413	# replace some tags by gcfclient-compatible ones
		2414	for ($msg) {
		2415	1 while
		2416	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2417	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2418	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2419	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2420	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2421	}
		2422
		2423	if ($color >= 0) {
		2424	if (0 && $msg =~ /\[/) {
		2425	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2426	} else {
		2427	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2428	$self->send_packet ("drawinfo $color $msg")
		2429	}
		2430	}
		2431	}
		2432	}
		2433
		2434	=item $client->ext_event ($type, %msg)
		2435
		2436	Sends an ext event to the client.
		2437
		2438	=cut
		2439
		2440	sub cf::client::ext_event($$%) {
		2441	my ($self, $type, %msg) = @_;
		2442
		2443	$msg{msgtype} = "event_$type";
		2444	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2445	}
1876		2446
1877	=item $success = $client->query ($flags, "text", \&cb)	2447	=item $success = $client->query ($flags, "text", \&cb)
1878		2448
1879	Queues a query to the client, calling the given callback with	2449	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>,	2450	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>.	2451	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1882		2452
1883	Queries can fail, so check the return code. Or don't, as queries will become	2453	Queries can fail, so check the return code. Or don't, as queries will
1884	reliable at some point in the future.	2454	become reliable at some point in the future.
1885		2455
1886	=cut	2456	=cut
1887		2457
1888	sub cf::client::query {	2458	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	2459	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	2467	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2468	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		2469
1900	$self->send_packet ($self->{query_queue}[0][0])	2470	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	2471	if @{ $self->{query_queue} } == 1;
		2472
		2473	1
1902	}	2474	}
1903		2475
1904	cf::client->attach (	2476	cf::client->attach (
		2477	on_connect => sub {
		2478	my ($ns) = @_;
		2479
		2480	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2481	},
1905	on_reply => sub {	2482	on_reply => sub {
1906	my ($ns, $msg) = @_;	2483	my ($ns, $msg) = @_;
1907		2484
1908	# this weird shuffling is so that direct followup queries	2485	# this weird shuffling is so that direct followup queries
1909	# get handled first	2486	# get handled first
1910	my $queue = delete $ns->{query_queue}	2487	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2488	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2489
1913	(shift @$queue)->[1]->($msg);	2490	(shift @$queue)->[1]->($msg);
		2491	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2492
1915	push @{ $ns->{query_queue} }, @$queue;	2493	push @{ $ns->{query_queue} }, @$queue;
1916		2494
1917	if (@{ $ns->{query_queue} } == @$queue) {	2495	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2496	if (@$queue) {
…		…
1920	} else {	2498	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2499	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	2500	}
1923	}	2501	}
1924	},	2502	},
		2503	on_exticmd => sub {
		2504	my ($ns, $buf) = @_;
		2505
		2506	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2507
		2508	if (ref $msg) {
		2509	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2510	if (my %reply = $cb->($ns, $msg)) {
		2511	$reply{msgid} = $msg->{msgid};
		2512	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2513	}
		2514	}
		2515	} else {
		2516	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2517	}
		2518
		2519	cf::override;
		2520	},
1925	);	2521	);
1926		2522
1927	=item $client->async (\&cb)	2523	=item $client->async (\&cb)
1928		2524
1929	Create a new coroutine, running the specified callback. The coroutine will	2525	Create a new coroutine, running the specified callback. The coroutine will
…		…
1976		2572
1977	# here we export the classes and methods available to script code	2573	# here we export the classes and methods available to script code
1978		2574
1979	=pod	2575	=pod
1980		2576
1981	The following fucntions and emthods are available within a safe environment:	2577	The following functions and methods are available within a safe environment:
1982		2578
1983	cf::object contr pay_amount pay_player map	2579	cf::object contr pay_amount pay_player map
1984	cf::object::player player	2580	cf::object::player player
1985	cf::player peaceful	2581	cf::player peaceful
1986	cf::map trigger	2582	cf::map trigger
…		…
2067	=back	2663	=back
2068		2664
2069	=cut	2665	=cut
2070		2666
2071	#############################################################################	2667	#############################################################################
		2668	# the server's init and main functions
2072		2669
2073	=head2 EXTENSION DATABASE SUPPORT	2670	sub load_facedata($) {
		2671	my ($path) = @_;
2074		2672
2075	Crossfire maintains a very simple database for extension use. It can	2673	warn "loading facedata from $path\n";
2076	currently store anything that can be serialised using Storable, which
2077	excludes objects.
2078		2674
2079	The parameter C<$family> should best start with the name of the extension	2675	my $facedata;
2080	using it, it should be unique.	2676	0 < aio_load $path, $facedata
		2677	or die "$path: $!";
2081		2678
2082	=over 4	2679	$facedata = Coro::Storable::thaw $facedata;
2083		2680
2084	=item $hashref = cf::db_get $family	2681	$facedata->{version} == 2
		2682	or cf::cleanup "$path: version mismatch, cannot proceed.";
2085		2683
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	}	2684	{
		2685	my $faces = $facedata->{faceinfo};
2122		2686
2123	my $pid;	2687	while (my ($face, $info) = each %$faces) {
2124		2688	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2125	sub db_save() {	2689	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2126	waitpid $pid, 0 if $pid;	2690	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2127	if (0 == ($pid = fork)) {	2691	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2128	$DB->{_meta}{version} = 1;	2692	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]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165
2166	cf::global->attach (
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	2693	}
2171	);
2172	}
2173		2694
2174	#############################################################################	2695	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	2696	next unless $info->{smooth};
		2697	my $idx = cf::face::find $face
		2698	or next;
		2699	if (my $smooth = cf::face::find $info->{smooth}) {
		2700	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2701	} else {
		2702	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2703	}
		2704	Coro::cede;
		2705	}
		2706	}
		2707
		2708	{
		2709	my $anims = $facedata->{animinfo};
		2710
		2711	while (my ($anim, $info) = each %$anims) {
		2712	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2713	Coro::cede;
		2714	}
		2715
		2716	cf::anim::invalidate_all; # d'oh
		2717	}
		2718
		2719	1
		2720	}
		2721
		2722	sub reload_regions {
		2723	load_resource_file "$MAPDIR/regions"
		2724	or die "unable to load regions file\n";
		2725	}
		2726
		2727	sub reload_facedata {
		2728	load_facedata "$DATADIR/facedata"
		2729	or die "unable to load facedata\n";
		2730	}
		2731
		2732	sub reload_archetypes {
		2733	load_resource_file "$DATADIR/archetypes"
		2734	or die "unable to load archetypes\n";
		2735	#d# NEED to laod twice to resolve forward references
		2736	# this really needs to be done in an extra post-pass
		2737	# (which needs to be synchronous, so solve it differently)
		2738	load_resource_file "$DATADIR/archetypes"
		2739	or die "unable to load archetypes\n";
		2740	}
		2741
		2742	sub reload_treasures {
		2743	load_resource_file "$DATADIR/treasures"
		2744	or die "unable to load treasurelists\n";
		2745	}
		2746
		2747	sub reload_resources {
		2748	warn "reloading resource files...\n";
		2749
		2750	reload_regions;
		2751	reload_facedata;
		2752	#reload_archetypes;#d#
		2753	reload_archetypes;
		2754	reload_treasures;
		2755
		2756	warn "finished reloading resource files\n";
		2757	}
		2758
		2759	sub init {
		2760	reload_resources;
		2761	}
2176		2762
2177	sub cfg_load {	2763	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2764	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	2765	or return;
2180		2766
2181	local $/;	2767	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	2768	*CFG = YAML::Syck::Load <$fh>;
2183		2769
…		…
2197		2783
2198	sub main {	2784	sub main {
2199	# we must not ever block the main coroutine	2785	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2786	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2787	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2788	(async {
2202	async { Event::one_event };	2789	Event::one_event;
		2790	})->prio (Coro::PRIO_MAX);
2203	};	2791	};
2204		2792
2205	cfg_load;	2793	cfg_load;
2206	db_load;	2794	db_init;
2207	load_extensions;	2795	load_extensions;
		2796
		2797	$TICK_WATCHER->start;
2208	Event::loop;	2798	Event::loop;
2209	}	2799	}
2210		2800
2211	#############################################################################	2801	#############################################################################
2212	# initialisation	2802	# initialisation and cleanup
2213		2803
		2804	# install some emergency cleanup handlers
		2805	BEGIN {
		2806	for my $signal (qw(INT HUP TERM)) {
		2807	Event->signal (
		2808	reentrant => 0,
		2809	data => WF_AUTOCANCEL,
		2810	signal => $signal,
		2811	prio => 0,
		2812	cb => sub {
		2813	cf::cleanup "SIG$signal";
		2814	},
		2815	);
		2816	}
		2817	}
		2818
		2819	sub write_runtime {
		2820	my $runtime = "$LOCALDIR/runtime";
		2821
		2822	# first touch the runtime file to show we are still running:
		2823	# the fsync below can take a very very long time.
		2824
		2825	IO::AIO::aio_utime $runtime, undef, undef;
		2826
		2827	my $guard = cf::lock_acquire "write_runtime";
		2828
		2829	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2830	or return;
		2831
		2832	my $value = $cf::RUNTIME + 90 + 10;
		2833	# 10 is the runtime save interval, for a monotonic clock
		2834	# 60 allows for the watchdog to kill the server.
		2835
		2836	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2837	and return;
		2838
		2839	# always fsync - this file is important
		2840	aio_fsync $fh
		2841	and return;
		2842
		2843	# touch it again to show we are up-to-date
		2844	aio_utime $fh, undef, undef;
		2845
		2846	close $fh
		2847	or return;
		2848
		2849	aio_rename "$runtime~", $runtime
		2850	and return;
		2851
		2852	warn "runtime file written.\n";
		2853
		2854	1
		2855	}
		2856
		2857	sub emergency_save() {
		2858	my $freeze_guard = cf::freeze_mainloop;
		2859
		2860	warn "enter emergency perl save\n";
		2861
		2862	cf::sync_job {
		2863	# use a peculiar iteration method to avoid tripping on perl
		2864	# refcount bugs in for. also avoids problems with players
		2865	# and maps saved/destroyed asynchronously.
		2866	warn "begin emergency player save\n";
		2867	for my $login (keys %cf::PLAYER) {
		2868	my $pl = $cf::PLAYER{$login} or next;
		2869	$pl->valid or next;
		2870	$pl->save;
		2871	}
		2872	warn "end emergency player save\n";
		2873
		2874	warn "begin emergency map save\n";
		2875	for my $path (keys %cf::MAP) {
		2876	my $map = $cf::MAP{$path} or next;
		2877	$map->valid or next;
		2878	$map->save;
		2879	}
		2880	warn "end emergency map save\n";
		2881
		2882	warn "begin emergency database checkpoint\n";
		2883	BDB::db_env_txn_checkpoint $DB_ENV;
		2884	warn "end emergency database checkpoint\n";
		2885	};
		2886
		2887	warn "leave emergency perl save\n";
		2888	}
		2889
		2890	sub post_cleanup {
		2891	my ($make_core) = @_;
		2892
		2893	warn Carp::longmess "post_cleanup backtrace"
		2894	if $make_core;
		2895	}
		2896
2214	sub reload() {	2897	sub do_reload_perl() {
2215	# can/must only be called in main	2898	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2899	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2900	warn "can only reload from main coroutine";
2218	return;	2901	return;
2219	}	2902	}
2220		2903
2221	warn "reloading...";	2904	warn "reloading...";
2222		2905
2223	my $guard = freeze_mainloop;	2906	warn "entering sync_job";
		2907
		2908	cf::sync_job {
		2909	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2910	cf::emergency_save;
		2911	cf::write_runtime; # external watchdog should not bark
2225		2912
2226	eval {	2913	warn "syncing database to disk";
		2914	BDB::db_env_txn_checkpoint $DB_ENV;
		2915
2227	# if anything goes wrong in here, we should simply crash as we already saved	2916	# if anything goes wrong in here, we should simply crash as we already saved
2228		2917
2229	# cancel all watchers	2918	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2919	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2920	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2921	}
2233		2922
		2923	warn "flushing outstanding aio requests";
		2924	for (;;) {
		2925	BDB::flush;
		2926	IO::AIO::flush;
		2927	Coro::cede;
		2928	last unless IO::AIO::nreqs || BDB::nreqs;
		2929	warn "iterate...";
		2930	}
		2931
		2932	++$RELOAD;
		2933
2234	# cancel all extension coros	2934	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2935	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2936	%EXT_CORO = ();
2237		2937
2238	# unload all extensions	2938	warn "removing commands";
2239	for (@exts) {	2939	%COMMAND = ();
		2940
		2941	warn "removing ext/exti commands";
		2942	%EXTCMD = ();
		2943	%EXTICMD = ();
		2944
		2945	warn "unloading/nuking all extensions";
		2946	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2947	warn "... unloading $pkg";
2241	unload_extension $_;	2948
		2949	if (my $cb = $pkg->can ("unload")) {
		2950	eval {
		2951	$cb->($pkg);
		2952	1
		2953	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2954	}
2243		2955
		2956	warn "... nuking $pkg";
		2957	Symbol::delete_package $pkg;
		2958	}
		2959
2244	# unload all modules loaded from $LIBDIR	2960	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2961	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2962	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2963
2248	warn "removing <$k>";	2964	warn "... unloading $k";
2249	delete $INC{$k};	2965	delete $INC{$k};
2250		2966
2251	$k =~ s/\.pm$//;	2967	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2968	$k =~ s/\//::/g;
2253		2969
…		…
2256	}	2972	}
2257		2973
2258	Symbol::delete_package $k;	2974	Symbol::delete_package $k;
2259	}	2975	}
2260		2976
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2977	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2978	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2979	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2980
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2981	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2982	delete $INC{"cf.pm"};
		2983	delete $INC{"cf/pod.pm"};
2274		2984
2275	# don't, removes xs symbols, too,	2985	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2986	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2987	#Symbol::delete_package __PACKAGE__;
2278		2988
2279	# reload cf.pm	2989	warn "unload completed, starting to reload now";
		2990
2280	warn "reloading cf.pm";	2991	warn "reloading cf.pm";
2281	require cf;	2992	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2993	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2994
2284	# load config and database again	2995	warn "loading config and database again";
2285	cf::cfg_load;	2996	cf::cfg_load;
2286	cf::db_load;
2287		2997
2288	# load extensions
2289	warn "load extensions";	2998	warn "loading extensions";
2290	cf::load_extensions;	2999	cf::load_extensions;
2291		3000
2292	# reattach attachments to objects	3001	warn "reattaching attachments to objects/players";
2293	warn "reattach";	3002	_global_reattach; # objects, sockets
2294	_global_reattach;	3003	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	3004	reattach $_ for values %MAP;
2296	};	3005	warn "reattaching attachments to players";
		3006	reattach $_ for values %PLAYER;
2297		3007
2298	if ($@) {	3008	warn "leaving sync_job";
		3009
		3010	1
		3011	} or do {
2299	warn $@;	3012	warn $@;
2300	warn "error while reloading, exiting.";	3013	warn "error while reloading, exiting.";
2301	exit 1;	3014	exit 1;
2302	}	3015	};
2303		3016
2304	warn "reloaded successfully";	3017	warn "reloaded";
2305	};	3018	};
2306		3019
2307	#############################################################################	3020	our $RELOAD_WATCHER; # used only during reload
2308		3021
2309	unless ($LINK_MAP) {	3022	sub reload_perl() {
2310	$LINK_MAP = cf::map::new;	3023	# doing reload synchronously and two reloads happen back-to-back,
		3024	# coro crashes during coro_state_free->destroy here.
2311		3025
2312	$LINK_MAP->width (41);	3026	$RELOAD_WATCHER ||= Event->timer (
2313	$LINK_MAP->height (41);	3027	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,	3028	after => 0,
		3029	data => WF_AUTOCANCEL,
2322	cb => sub {	3030	cb => sub {
2323	$_[0]->w->cancel;	3031	do_reload_perl;
2324		3032	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	});	3033	},
2343		3034	);
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	3035	}
2349
2350	register "<global>", __PACKAGE__;
2351		3036
2352	register_command "reload" => sub {	3037	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	3038	my ($who, $arg) = @_;
2354		3039
2355	if ($who->flag (FLAG_WIZ)) {	3040	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	3041	$who->message ("reloading server.");
		3042	async { reload_perl };
2359	}	3043	}
2360	};	3044	};
2361		3045
2362	unshift @INC, $LIBDIR;	3046	unshift @INC, $LIBDIR;
2363		3047
		3048	my $bug_warning = 0;
		3049
		3050	our @WAIT_FOR_TICK;
		3051	our @WAIT_FOR_TICK_BEGIN;
		3052
		3053	sub wait_for_tick {
		3054	return unless $TICK_WATCHER->is_active;
		3055	return if $Coro::current == $Coro::main;
		3056
		3057	my $signal = new Coro::Signal;
		3058	push @WAIT_FOR_TICK, $signal;
		3059	$signal->wait;
		3060	}
		3061
		3062	sub wait_for_tick_begin {
		3063	return unless $TICK_WATCHER->is_active;
		3064	return if $Coro::current == $Coro::main;
		3065
		3066	my $signal = new Coro::Signal;
		3067	push @WAIT_FOR_TICK_BEGIN, $signal;
		3068	$signal->wait;
		3069	}
		3070
		3071	my $min = 1e6;#d#
		3072	my $avg = 10;
2364	$TICK_WATCHER = Event->timer (	3073	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	3074	reentrant => 0,
		3075	parked => 1,
2366	prio => 0,	3076	prio => 0,
2367	at => $NEXT_TICK || $TICK,	3077	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	3078	data => WF_AUTOCANCEL,
2369	cb => sub {	3079	cb => sub {
		3080	if ($Coro::current != $Coro::main) {
		3081	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3082	unless ++$bug_warning > 10;
		3083	return;
		3084	}
		3085
		3086	$NOW = $tick_start = Event::time;
		3087
2370	cf::server_tick; # one server iteration	3088	cf::server_tick; # one server iteration
		3089
		3090	0 && sync_job {#d#
		3091	for(1..10) {
		3092	my $t = Event::time;
		3093	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3094	or die;
		3095
		3096	$map->width (50);
		3097	$map->height (50);
		3098	$map->alloc;
		3099	$map->_load_objects ("/tmp/x.map", 1);
		3100	my $t = Event::time - $t;
		3101
		3102	#next unless $t < 0.0013;#d#
		3103	if ($t < $min) {
		3104	$min = $t;
		3105	}
		3106	$avg = $avg * 0.99 + $t * 0.01;
		3107	}
		3108	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3109	exit 0;
		3110	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3111	};
		3112
2371	$RUNTIME += $TICK;	3113	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	3114	$NEXT_TICK += $TICK;
2373		3115
		3116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3117	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3118	Coro::async_pool {
		3119	write_runtime
		3120	or warn "ERROR: unable to write runtime file: $!";
		3121	};
		3122	}
		3123
		3124	# my $AFTER = Event::time;
		3125	# warn $AFTER - $NOW;#d#
		3126
		3127	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3128	$sig->send;
		3129	}
		3130	while (my $sig = shift @WAIT_FOR_TICK) {
		3131	$sig->send;
		3132	}
		3133
		3134	$NOW = Event::time;
		3135
2374	# if we are delayed by four ticks or more, skip them all	3136	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3137	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2376		3138
2377	$TICK_WATCHER->at ($NEXT_TICK);	3139	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	3140	$TICK_WATCHER->start;
		3141
		3142	$LOAD = ($NOW - $tick_start) / $TICK;
		3143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3144
		3145	_post_tick;
		3146
		3147
2379	},	3148	},
2380	);	3149	);
2381		3150
		3151	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	3152	BDB::max_poll_time $TICK * 0.1;
2383		3153	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	3154	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	3155	fd => BDB::poll_fileno,
2386	poll => 'r',	3156	poll => 'r',
2387	prio => 5,	3157	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	3158	data => WF_AUTOCANCEL,
2394	after => 0,	3159	cb => \&BDB::poll_cb,
2395	interval => 10,	3160	);
2396	cb => sub {	3161	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	3162
2398	write_runtime	3163	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	3164	my $status;
		3165	my $current = $Coro::current;
		3166	(
		3167	sub {
		3168	$status = $!;
		3169	$current->ready; undef $current;
		3170	},
		3171	sub {
		3172	Coro::schedule while defined $current;
		3173	$! = $status;
		3174	},
		3175	)
		3176	};
		3177
		3178	unless ($DB_ENV) {
		3179	$DB_ENV = BDB::db_env_create;
		3180
		3181	cf::sync_job {
		3182	eval {
		3183	BDB::db_env_open
		3184	$DB_ENV,
		3185	$BDBDIR,
		3186	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3187	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3188	0666;
		3189
		3190	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3191
		3192	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3193	$DB_ENV->set_lk_detect;
		3194	};
		3195
		3196	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	3197	};
2401	},	3198	}
2402	);	3199	}
		3200
		3201	{
		3202	IO::AIO::min_parallel 8;
		3203
		3204	undef $Coro::AIO::WATCHER;
		3205	IO::AIO::max_poll_time $TICK * 0.1;
		3206	$AIO_POLL_WATCHER = Event->io (
		3207	reentrant => 0,
		3208	data => WF_AUTOCANCEL,
		3209	fd => IO::AIO::poll_fileno,
		3210	poll => 'r',
		3211	prio => 6,
		3212	cb => \&IO::AIO::poll_cb,
		3213	);
		3214	}
		3215
		3216	my $_log_backtrace;
		3217
		3218	sub _log_backtrace {
		3219	my ($msg, @addr) = @_;
		3220
		3221	$msg =~ s/\n//;
		3222
		3223	# limit the # of concurrent backtraces
		3224	if ($_log_backtrace < 2) {
		3225	++$_log_backtrace;
		3226	async {
		3227	my @bt = fork_call {
		3228	@addr = map { sprintf "%x", $_ } @addr;
		3229	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3230	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3231	or die "addr2line: $!";
		3232
		3233	my @funcs;
		3234	my @res = <$fh>;
		3235	chomp for @res;
		3236	while (@res) {
		3237	my ($func, $line) = splice @res, 0, 2, ();
		3238	push @funcs, "[$func] $line";
		3239	}
		3240
		3241	@funcs
		3242	};
		3243
		3244	LOG llevInfo, "[ABT] $msg\n";
		3245	LOG llevInfo, "[ABT] $_\n" for @bt;
		3246	--$_log_backtrace;
		3247	};
		3248	} else {
		3249	LOG llevInfo, "[ABT] $msg\n";
		3250	LOG llevInfo, "[ABT] [suppressed]\n";
		3251	}
		3252	}
		3253
		3254	# load additional modules
		3255	use cf::pod;
2403		3256
2404	END { cf::emergency_save }	3257	END { cf::emergency_save }
2405		3258
2406	1	3259	1
2407		3260

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