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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 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
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		42
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
33		45
34	$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
35		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
36	our %COMMAND = ();	50	our %COMMAND = ();
37	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
38		52
39	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
43		58
		59	our $RELOAD; # number of reloads so far
44	our @EVENT;	60	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		61
47	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(!)
48	our $TICK_WATCHER;	75	our $TICK_WATCHER;
		76	our $AIO_POLL_WATCHER;
		77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	78	our $NEXT_TICK;
50	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;
51		84
52	our %CFG;	85	our %CFG;
53		86
54	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	88	our $RUNTIME;
56		89
57	our %PLAYER; # all users	90	our %PLAYER; # all users
58	our %MAP; # all maps	91	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	92	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		93
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	94	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	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 $tick_start; # for load detecting purposes
64		100
65	binmode STDOUT;	101	binmode STDOUT;
66	binmode STDERR;	102	binmode STDERR;
67		103
68	# read virtual server time, if available	104	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
73	}	109	}
74		110
75	mkdir cf::localdir;	111	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		113
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
		115
		116	sub cf::map::normalise;
84		117
85	#############################################################################	118	#############################################################################
86		119
87	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
88		121
…		…
95	=item $cf::RUNTIME	128	=item $cf::RUNTIME
96		129
97	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
98	every server tick.	131	every server tick.
99		132
100	=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
101		136
102	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		141
105	=item $cf::NOW	142	=item $cf::NOW
106		143
107	The time of the last (current) server tick.	144	The time of the last (current) server tick.
108		145
109	=item $cf::TICK	146	=item $cf::TICK
110		147
111	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.
112		159
113	=item %cf::CFG	160	=item %cf::CFG
114		161
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	163	from wherever your confdir points to.
117		164
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		166
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	168	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.
124		170
125	=back	171	=back
126		172
127	=cut	173	=cut
128		174
129	BEGIN {	175	BEGIN {
130	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	177	my $msg = join "", @_;
132	utf8::encode $msg;
133		178
134	$msg .= "\n"	179	$msg .= "\n"
135	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
136		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
137	LOG llevError, $msg;	185	LOG llevError, $msg;
138	};	186	};
139	}	187	}
140		188
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@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';
146	@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)
147		196
148	# 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
149	# within the Safe compartment.	198	# within the Safe compartment.
150	for my $pkg (qw(	199	for my $pkg (qw(
151	cf::global cf::attachable	200	cf::global cf::attachable
…		…
159	}	208	}
160		209
161	$Event::DIED = sub {	210	$Event::DIED = sub {
162	warn "error in event callback: @_";	211	warn "error in event callback: @_";
163	};	212	};
		213
		214	#############################################################################
164		215
165	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
166		217
167	=over 4	218	=over 4
168		219
…		…
187	$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;
188	$d	239	$d
189	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
190	}	241	}
191		242
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
195		244
196	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
197		246
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
206		248
207	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
208		250
209	=cut	251	=cut
210		252
211	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
213	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
215		257
216	=item cf::lock_wait $string	258	=item cf::lock_wait $string
217		259
218	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
219		261
…		…
225	returned.	267	returned.
226		268
227	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
228	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
229		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
230	=cut	276	=cut
231		277
232	our %LOCK;	278	our %LOCK;
233		279
234	sub lock_wait($) {	280	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
255	}	301	}
256	}	302	}
257		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
258	sub freeze_mainloop {	310	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
260		312
261	my $guard = Coro::guard { $TICK_WATCHER->start };	313	my $guard = Coro::guard {
		314	$TICK_WATCHER->start;
		315	};
262	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
263	$guard	317	$guard
264	}	318	}
265		319
266	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
273		327
274	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
275		329
276	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
277		331
278	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
281		336
282	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
285	fast or be very important.	340	fast or be very important.
…		…
288		343
289	sub sync_job(&) {	344	sub sync_job(&) {
290	my ($job) = @_;	345	my ($job) = @_;
291		346
292	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
293	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
295		352
296	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
308		365
309	while ($busy) {	366	while ($busy) {
310	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
311	}	368	}
312		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
313	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
314	} else {	378	} else {
315	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
316		380
317	$job->()	381	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
337		401
338	$coro	402	$coro
339	}	403	}
340		404
341	sub write_runtime {	405	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		406
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
345	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.
346		411
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	412	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		413
351	aio_fsync $fh	414	sub fork_call(&@) {
352	and return;	415	my ($cb, @args) = @_;
353		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) {
354	close $fh	423	close $fh2;
355	or return;
356		424
357	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
358	and return;	426	$res = Coro::Storable::thaw $res;
359		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
360	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		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 });
361	}	574	}
362		575
363	=back	576	=back
364		577
365	=cut	578	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522		579
523	#############################################################################	580	#############################################################################
524		581
525	=head2 ATTACHABLE OBJECTS	582	=head2 ATTACHABLE OBJECTS
526		583
…		…
528	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")
529	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
530		587
531	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>
532	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
533	crossfire+).	590	Crossfire TRT).
534		591
535	=over 4	592	=over 4
536		593
537	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
538		595
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	709	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	710	our @CB_MAP = ();
654		711
655	my %attachment;	712	my %attachment;
656		713
		714	sub cf::attachable::thawer_merge {
		715	# simply override everything except _meta
		716	local $_[0]{_meta};
		717	%{$_[0]} = %{$_[1]};
		718	}
		719
657	sub _attach_cb($$$$) {	720	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	721	my ($registry, $event, $prio, $cb) = @_;
659		722
660	use sort 'stable';	723	use sort 'stable';
661		724
…		…
695	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
696		759
697	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
698	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
699	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
700	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701		764
702	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
703	my $pkg = shift @arg;	766	my $pkg = shift @arg;
704		767
705	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
734	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
735	}	798	}
736		799
737	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
738	} else {	801	} else {
739	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
740	}	803	}
741		804
742	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
743	}	806	}
744		807
…		…
746	if (ref $_[0]) {	809	if (ref $_[0]) {
747	_object_attach @_;	810	_object_attach @_;
748	} else {	811	} else {
749	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
750	}	813	}
		814	_recalc_want;
751	};	815	};
752		816
753	# all those should be optimised	817	# all those should be optimised
754	sub cf::attachable::detach {	818	sub cf::attachable::detach {
755	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
758	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
759	reattach ($obj);	823	reattach ($obj);
760	} else {	824	} else {
761	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
762	}	826	}
		827	_recalc_want;
763	};	828	};
764		829
765	sub cf::attachable::attached {	830	sub cf::attachable::attached {
766	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
767		832
…		…
832	# object support	897	# object support
833		898
834	sub reattach {	899	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	900	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	901	my ($obj) = @_;
		902
		903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		904
838	my $registry = $obj->registry;	905	my $registry = $obj->registry;
839		906
840	@$registry = ();	907	@$registry = ();
841		908
…		…
888	$filename, length $$rdata, scalar @$objs;	955	$filename, length $$rdata, scalar @$objs;
889		956
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893	aio_fsync $fh;	960	aio_fsync $fh if $cf::USE_FSYNC;
894	close $fh;	961	close $fh;
895		962
896	if (@$objs) {	963	if (@$objs) {
897	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) {
898	chmod SAVE_MODE, $fh;	965	chmod SAVE_MODE, $fh;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	966	my $data = Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	967	aio_write $fh, 0, (length $data), $data, 0;
901	aio_fsync $fh;	968	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	969	close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	970	aio_rename "$filename.pst~", "$filename.pst";
904	}	971	}
905	} else {	972	} else {
906	aio_unlink "$filename.pst";	973	aio_unlink "$filename.pst";
…		…
938	or return;	1005	or return;
939	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
940	}	1007	}
941		1008
942	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
943	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
944	return ($data, $av);	1011	return ($data, $av);
945	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
946		1019
947	#############################################################################	1020	#############################################################################
948	# command handling &c	1021	# command handling &c
949		1022
950	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
963	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
964	}	1037	}
965		1038
966	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
967		1040
968	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.
969		1046
970	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
971	called.	1048	called.
972		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
973	=cut	1061	=cut
974		1062
975	sub register_extcmd {	1063	sub register_extcmd {
976	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
977		1065
978	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
979	}	1073	}
980		1074
981	cf::player->attach (	1075	cf::player->attach (
982	on_command => sub {	1076	on_command => sub {
983	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
992	cf::override;	1086	cf::override;
993	},	1087	},
994	on_extcmd => sub {	1088	on_extcmd => sub {
995	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
996		1090
997	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
998		1092
999	if (ref $msg) {	1093	if (ref $msg) {
1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
1001	if (my %reply = $cb->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
1002	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
1008		1102
1009	cf::override;	1103	cf::override;
1010	},	1104	},
1011	);	1105	);
1012		1106
1013	sub load_extension {
1014	my ($path) = @_;
1015
1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1017	my $base = $1;
1018	my $pkg = $1;
1019	$pkg =~ s/[^[:word:]]/_/g;
1020	$pkg = "ext::$pkg";
1021
1022	warn "... loading '$path' into '$pkg'\n";
1023
1024	open my $fh, "<:utf8", $path
1025	or die "$path: $!";
1026
1027	my $source =
1028	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })
1031	. "\n};\n1";
1032
1033	eval $source
1034	or die $@ ? "$path: $@\n"
1035	: "extension disabled.\n";
1036
1037	push @EXTS, $pkg;
1038	}
1039
1040	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
1041	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1112	next unless -r $path;
1043	eval {	1113
1044	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;
1045	1	1171	}
1046	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
1047	}	1177	};
1048	}	1178	}
1049		1179
1050	#############################################################################	1180	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1181
1053	*cf::mapsupport::on_clean = sub {	1182	=back
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		1183
1066	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
1067		1185
1068	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
1069		1187
…		…
1082	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
1083		1201
1084	=cut	1202	=cut
1085		1203
1086	sub playerdir($) {	1204	sub playerdir($) {
1087	cf::localdir	1205	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1207	}
1093		1208
1094	sub path($) {	1209	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1211
1097	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
1098	}	1213	}
1099		1214
1100	sub find_active($) {	1215	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
1105		1220
1106	sub exists($) {	1221	sub exists($) {
1107	my ($login) = @_;	1222	my ($login) = @_;
1108		1223
1109	$cf::PLAYER{$login}	1224	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1225	or cf::sync_job { !aio_stat path $login }
1111	}	1226	}
1112		1227
1113	sub find($) {	1228	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1229	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1230	my $login = $_[0];
1116		1231
1117	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
1118		1233
1119	$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
1120	my $pl = load_pl path $login	1242	my $pl = load_pl path $login
1121	or return;	1243	or return;
1122	$cf::PLAYER{$login} = $pl	1244	$cf::PLAYER{$login} = $pl
1123	}	1245	}
1124	}	1246	}
…		…
1161		1283
1162	=cut	1284	=cut
1163		1285
1164	sub quit_character {	1286	sub quit_character {
1165	my ($pl) = @_;	1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
1166		1290
1167	$pl->{deny_save} = 1;	1291	$pl->{deny_save} = 1;
1168	$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
1169		1293
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1175	my $path = playerdir $pl;	1299	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1300	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1301	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1302	delete $cf::PLAYER{$pl->ob->name};
1179	$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
1180	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;
1181	}	1325	}
1182		1326
1183	=item cf::player::list_logins	1327	=item cf::player::list_logins
1184		1328
1185	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
1186	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1187		1331
1188	=cut	1332	=cut
1189		1333
1190	sub list_logins {	1334	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1336	or return [];
1193		1337
1194	my @logins;	1338	my @logins;
1195		1339
1196	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1205	\@logins	1349	\@logins
1206	}	1350	}
1207		1351
1208	=item $player->maps	1352	=item $player->maps
1209		1353
1210	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
1211	player. May block.	1355	player. May block.
1212		1356
1213	=cut	1357	=cut
1214		1358
1215	sub maps($) {	1359	sub maps($) {
1216	my ($pl) = @_;	1360	my ($pl) = @_;
		1361
		1362	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1363
1218	my $files = aio_readdir playerdir $pl	1364	my $files = aio_readdir playerdir $pl
1219	or return;	1365	or return;
1220		1366
1221	my @paths;	1367	my @paths;
…		…
1223	for (@$files) {	1369	for (@$files) {
1224	utf8::decode $_;	1370	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1371	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1372	next unless /^$PATH_SEP/o;
1227		1373
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1374	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1375	}
1230		1376
1231	\@paths	1377	\@paths
1232	}	1378	}
1233		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
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1428	=item $player->ext_reply ($msgid, %msg)
1235		1429
1236	Sends an ext reply to the player.	1430	Sends an ext reply to the player.
1237		1431
1238	=cut	1432	=cut
1239		1433
1240	sub ext_reply($$$%) {	1434	sub ext_reply($$%) {
1241	my ($self, $id, %msg) = @_;	1435	my ($self, $id, %msg) = @_;
1242		1436
1243	$msg{msgid} = $id;	1437	$msg{msgid} = $id;
1244		1438	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1245	$self->send ("ext " . cf::to_json \%msg);
1246	}	1439	}
1247		1440
1248	package cf;	1441	=item $player->ext_event ($type, %msg)
		1442
		1443	Sends an ext event to the client.
		1444
		1445	=cut
		1446
		1447	sub ext_event($$%) {
		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	}
1249		1481
1250	=back	1482	=back
1251
1252		1483
1253	=head3 cf::map	1484	=head3 cf::map
1254		1485
1255	=over 4	1486	=over 4
1256		1487
…		…
1259	package cf::map;	1490	package cf::map;
1260		1491
1261	use Fcntl;	1492	use Fcntl;
1262	use Coro::AIO;	1493	use Coro::AIO;
1263		1494
		1495	use overload
		1496	'""' => \&as_string,
		1497	fallback => 1;
		1498
1264	our $MAX_RESET = 3600;	1499	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1500	our $DEFAULT_RESET = 3000;
1266		1501
1267	sub generate_random_map {	1502	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1503	my ($self, $rmp) = @_;
1269
1270	# mit "rum" bekleckern, nicht	1504	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1505	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1506	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1507	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1508	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1509	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1510	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1515	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1516	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1517	)
1285	}	1518	}
1286		1519
		1520	=item cf::map->register ($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"
		1645	}
		1646
1287	# and all this just because we cannot iterate over	1647	# and all this just because we cannot iterate over
1288	# all maps in C++...	1648	# all maps in C++...
1289	sub change_all_map_light {	1649	sub change_all_map_light {
1290	my ($change) = @_;	1650	my ($change) = @_;
1291		1651
1292	$_->change_map_light ($change)	1652	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1653	for grep $_->outdoor, values %cf::MAP;
1294	}	1654	}
1295		1655
		1656	sub decay_objects {
		1657	my ($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
1296	sub load_map_header($) {	1672	sub load_header_from($) {
1297	my ($path) = @_;	1673	my ($self, $path) = @_;
1298		1674
1299	utf8::encode $path;	1675	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1676	#aio_open $path, O_RDONLY, 0
		1677	# or return;
		1678
		1679	$self->_load_header ($path)
1301	or return;	1680	or return;
1302		1681
1303	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
1304	or return;	1725	or return;
		1726	$self->prepare_orig;
		1727	}
1305		1728
1306	# for better error messages only, will be overwritten later	1729	$self->{deny_reset} = 1
1307	$map->path ($path);	1730	if $self->no_reset;
1308		1731
1309	$map->load_header ($path)	1732	$self->default_region (cf::region::find_by_path $self->{path})
1310	or return;	1733	unless $self->default_region;
1311		1734
1312	$map->{load_path} = $path;	1735	1
1313
1314	$map
1315	}	1736	}
1316		1737
1317	sub find;	1738	sub find;
1318	sub find {	1739	sub find {
1319	my ($path, $origin) = @_;	1740	my ($path, $origin) = @_;
1320		1741
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1742	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1743
1326	cf::lock_wait "map_find:$key";	1744	cf::lock_wait "map_find:$path";
1327		1745
1328	$cf::MAP{$key} || do {	1746	$cf::MAP{$path} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1747	my $guard = cf::lock_acquire "map_find:$path";
1330		1748	my $map = new_from_path cf::map $path
1331	# do it the slow way
1332	my $map = $path->load_temp;
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	1749	or return;
1345		1750
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	1751	$map->{last_save} = $cf::RUNTIME;
1358		1752
1359	Coro::cede;	1753	$map->load_header
		1754	or return;
1360		1755
1361	if ($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;
1362	$map->reset;	1759	$map->reset;
1363	undef $guard;	1760	undef $guard;
1364	$map = find $path	1761	return find $path;
1365	or return;
1366	}	1762	}
1367		1763
1368	$cf::MAP{$key} = $map	1764	$cf::MAP{$path} = $map
1369	}	1765	}
1370	}	1766	}
		1767
		1768	sub pre_load { }
		1769	sub post_load { }
1371		1770
1372	sub load {	1771	sub load {
1373	my ($self) = @_;	1772	my ($self) = @_;
1374		1773
		1774	local $self->{deny_reset} = 1; # loading can take a long time
		1775
1375	my $path = $self->{path};	1776	my $path = $self->{path};
		1777
		1778	{
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1779	my $guard = cf::lock_acquire "map_load:$path";
1377		1780
1378	return if $self->in_memory != cf::MAP_SWAPPED;	1781	return if $self->in_memory != cf::MAP_SWAPPED;
1379		1782
1380	$self->in_memory (cf::MAP_LOADING);	1783	$self->in_memory (cf::MAP_LOADING);
1381		1784
1382	$self->alloc;	1785	$self->alloc;
		1786
		1787	$self->pre_load;
		1788	Coro::cede;
		1789
1383	$self->load_objects ($self->{load_path}, 1)	1790	$self->_load_objects ($self->{load_path}, 1)
1384	or return;	1791	or return;
1385		1792
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1793	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387	if delete $self->{load_original};	1794	if delete $self->{load_original};
1388		1795
1389	if (my $uniq = $path->uniq_path) {	1796	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	1797	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	1798	if (aio_open $uniq, O_RDONLY, 0) {
1392	$self->clear_unique_items;	1799	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	1800	$self->_load_objects ($uniq, 0);
1394	}	1801	}
1395	}	1802	}
1396		1803
1397	Coro::cede;	1804	Coro::cede;
1398
1399	# now do the right thing for maps	1805	# now do the right thing for maps
1400	$self->link_multipart_objects;	1806	$self->link_multipart_objects;
1401
1402	if ($self->{path}->is_style_map) {
1403	$self->{deny_save} = 1;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;
1409	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	1807	$self->difficulty ($self->estimate_difficulty)
1411	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;
1412	$self->activate;	1818	$self->activate;
1413	}	1819	}
1414		1820
1415	Coro::cede;
1416
1417	$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	$self
1418	}	1837	}
1419		1838
1420	# find and load all maps in the 3x3 area around a map	1839	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	1840	sub load_diag {
1422	my ($map) = @_;	1841	my ($map) = @_;
…		…
1452		1871
1453	cf::sync_job { $map->load };	1872	cf::sync_job { $map->load };
1454	}	1873	}
1455		1874
1456	our %MAP_PREFETCH;	1875	our %MAP_PREFETCH;
1457	our $MAP_PREFETCHER = Coro::async {	1876	our $MAP_PREFETCHER = undef;
1458	while () {
1459	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH
1461	or next;
1462	my $path = delete $MAP_PREFETCH{$key};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}
1468	Coro::schedule;
1469	}
1470	};
1471		1877
1472	sub find_async {	1878	sub find_async {
1473	my ($path, $origin) = @_;	1879	my ($path, $origin) = @_;
1474		1880
1475	$path = new cf::path $path, $origin && $origin->path;	1881	$path = normalise $path, $origin && $origin->{path};
1476	my $key = $path->as_string;
1477		1882
1478	if (my $map = $cf::MAP{$key}) {	1883	if (my $map = $cf::MAP{$path}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1884	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}	1885	}
1481		1886
1482	$MAP_PREFETCH{$key} = $path;	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	};
1483	$MAP_PREFETCHER->ready;	1900	$MAP_PREFETCHER->prio (6);
1484		1901
1485	()	1902	()
1486	}	1903	}
1487		1904
1488	sub save {	1905	sub save {
…		…
1492		1909
1493	$self->{last_save} = $cf::RUNTIME;	1910	$self->{last_save} = $cf::RUNTIME;
1494		1911
1495	return unless $self->dirty;	1912	return unless $self->dirty;
1496		1913
1497	my $save = $self->{path}->save_path; utf8::encode $save;	1914	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1915	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		1916
1500	$self->{load_path} = $save;	1917	$self->{load_path} = $save;
1501		1918
1502	return if $self->{deny_save};	1919	return if $self->{deny_save};
1503		1920
…		…
1506	cf::async {	1923	cf::async {
1507	$_->contr->save for $self->players;	1924	$_->contr->save for $self->players;
1508	};	1925	};
1509		1926
1510	if ($uniq) {	1927	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1928	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	1929	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	1930	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1931	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	1932	}
1516	}	1933	}
1517		1934
1518	sub swap_out {	1935	sub swap_out {
1519	my ($self) = @_;	1936	my ($self) = @_;
…		…
1533		1950
1534	sub reset_at {	1951	sub reset_at {
1535	my ($self) = @_;	1952	my ($self) = @_;
1536		1953
1537	# TODO: safety, remove and allow resettable per-player maps	1954	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	1955	return 1e99 if $self->{deny_reset};
1540		1956
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1957	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1958	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		1959
…		…
1548	my ($self) = @_;	1964	my ($self) = @_;
1549		1965
1550	$self->reset_at <= $cf::RUNTIME	1966	$self->reset_at <= $cf::RUNTIME
1551	}	1967	}
1552		1968
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	1969	sub reset {
1575	my ($self) = @_;	1970	my ($self) = @_;
1576		1971
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	1972	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1973
1579	return if $self->players;	1974	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		1975
1582	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	}
1583		1987
1584	delete $cf::MAP{$self->path};	1988	delete $cf::MAP{$self->path};
		1989
		1990	$self->clear;
1585		1991
1586	$_->clear_links_to ($self) for values %cf::MAP;	1992	$_->clear_links_to ($self) for values %cf::MAP;
1587		1993
1588	$self->unlink_save;	1994	$self->unlink_save;
1589	$self->destroy;	1995	$self->destroy;
…		…
1592	my $nuke_counter = "aaaa";	1998	my $nuke_counter = "aaaa";
1593		1999
1594	sub nuke {	2000	sub nuke {
1595	my ($self) = @_;	2001	my ($self) = @_;
1596		2002
		2003	delete $cf::MAP{$self->path};
		2004
		2005	$self->unlink_save;
		2006
		2007	bless $self, "cf::map";
		2008	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2009	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2010	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2011	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2012
		2013	$cf::MAP{$self->path} = $self;
		2014
1600	$self->reset; # polite request, might not happen	2015	$self->reset; # polite request, might not happen
1601	}	2016	}
1602		2017
1603	sub customise_for {	2018	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2019
1606	if ($map->per_player) {	2020	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2021	maps. May block.
		2022
		2023	=cut
		2024
		2025	sub tmp_maps() {
1608	}	2026	[
		2027	map {
		2028	utf8::decode $_;
		2029	/\.map$/
		2030	? normalise $_
		2031	: ()
		2032	} @{ aio_readdir $TMPDIR or [] }
		2033	]
		2034	}
1609		2035
1610	$map	2036	=item $maps = cf::map::random_maps
		2037
		2038	Returns an arrayref with all map paths of currently instantiated and saved
		2039	random maps. May block.
		2040
		2041	=cut
		2042
		2043	sub random_maps() {
		2044	[
		2045	map {
		2046	utf8::decode $_;
		2047	/\.map$/
		2048	? normalise "?random/$_"
		2049	: ()
		2050	} @{ aio_readdir $RANDOMDIR or [] }
		2051	]
1611	}	2052	}
1612		2053
1613	=item cf::map::unique_maps	2054	=item cf::map::unique_maps
1614		2055
1615	Returns an arrayref of cf::path's of all shared maps that have	2056	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2057	instantiated unique items. May block.
1617		2058
1618	=cut	2059	=cut
1619		2060
1620	sub unique_maps() {	2061	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2062	[
1622	or return;	2063	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2064	utf8::decode $_;
1628	next if /\.pst$/;	2065	/\.map$/
1629	next unless /^$PATH_SEP/o;	2066	? normalise $_
1630		2067	: ()
1631	push @paths, new cf::path $_;	2068	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2069	]
1633
1634	\@paths
1635	}	2070	}
1636		2071
1637	package cf;	2072	package cf;
1638		2073
1639	=back	2074	=back
…		…
1685		2120
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2121	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2122
1688	if ($self->{record_replies}) {	2123	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2124	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2125
1690	} 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 {
1691	$msg = $npc->name . " says: $msg" if $npc;	2139	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2140	$self->message ($msg, $flags);
		2141	}
1693	}	2142	}
1694	}	2143	}
1695		2144
1696	=item $player_object->may ("access")	2145	=item $player_object->may ("access")
1697		2146
…		…
1711		2160
1712	=item $player_object->enter_link	2161	=item $player_object->enter_link
1713		2162
1714	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}>).
1715		2164
1716	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
1717	I<MUST> call C<leave_link> as soon as possible, though.	2166	I<MUST> call C<leave_link> as soon as possible, though.
1718		2167
		2168	Will never block.
		2169
1719	=item $player_object->leave_link ($map, $x, $y)	2170	=item $player_object->leave_link ($map, $x, $y)
1720		2171
1721	Moves the player out of the specila link map onto the given map. If the	2172	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2173	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2174	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2175	fails, to the emergency map position.
1725		2176
1726	Might block.	2177	Might block.
1727		2178
1728	=cut	2179	=cut
		2180
		2181	sub link_map {
		2182	unless ($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	$LINK_MAP
		2189	}
1729		2190
1730	sub cf::object::player::enter_link {	2191	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2192	my ($self) = @_;
1732		2193
1733	$self->deactivate_recursive;	2194	$self->deactivate_recursive;
1734		2195
1735	return if $self->map == $LINK_MAP;	2196	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2197
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2198	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2199	if $self->map && $self->map->{path} ne "{link}";
1739		2200
1740	$self->enter_map ($LINK_MAP, 20, 20);	2201	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2202	}
1742		2203
1743	sub cf::object::player::leave_link {	2204	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2205	my ($self, $map, $x, $y) = @_;
		2206
		2207	return unless $self->contr->active;
1745		2208
1746	my $link_pos = delete $self->{_link_pos};	2209	my $link_pos = delete $self->{_link_pos};
1747		2210
1748	unless ($map) {	2211	unless ($map) {
1749	# restore original map position	2212	# restore original map position
…		…
1767	$map->load;	2230	$map->load;
1768	$map->load_diag;	2231	$map->load_diag;
1769		2232
1770	return unless $self->contr->active;	2233	return unless $self->contr->active;
1771	$self->activate_recursive;	2234	$self->activate_recursive;
		2235
		2236	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2237	$self->enter_map ($map, $x, $y);
1773	}	2238	}
1774		2239
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($pl) = @_;
1778
1779	# abort map switching before logout
1780	if ($pl->ob->{_link_pos}) {
1781	cf::sync_job {
1782	$pl->ob->leave_link
1783	};
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)	2240	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1808		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
1809	=cut	2247	=cut
		2248
		2249	our $GOTOGEN;
1810		2250
1811	sub cf::object::player::goto {	2251	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2252	my ($self, $path, $x, $y, $check) = @_;
1813		2253
1814	$path = new cf::path $path;	2254	# do generation counting so two concurrent goto's will be executed in-order
		2255	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2256
1816	$self->enter_link;	2257	$self->enter_link;
1817		2258
1818	(async {	2259	(async {
		2260	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	2261	my $map = cf::map::find $path;
		2262
		2263	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2264	$map = $map->customise_for ($self);
1821		2265	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2266	} else {
1823	# if $map;
1824
1825	$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	}
1826		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};
1827	$self->leave_link ($map, $x, $y);	2280	$self->leave_link ($map, $x, $y);
		2281	}
1828	})->prio (1);	2282	})->prio (1);
1829	}	2283	}
1830		2284
1831	=item $player_object->enter_exit ($exit_object)	2285	=item $player_object->enter_exit ($exit_object)
1832		2286
…		…
1834		2288
1835	sub parse_random_map_params {	2289	sub parse_random_map_params {
1836	my ($spec) = @_;	2290	my ($spec) = @_;
1837		2291
1838	my $rmp = { # defaults	2292	my $rmp = { # defaults
1839	xsize => 10,	2293	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2294	ysize => (cf::rndm 15, 40),
		2295	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2296	#layout => string,
1841	};	2297	};
1842		2298
1843	for (split /\n/, $spec) {	2299	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2300	my ($k, $v) = split /\s+/, $_, 2;
1845		2301
…		…
1849	$rmp	2305	$rmp
1850	}	2306	}
1851		2307
1852	sub prepare_random_map {	2308	sub prepare_random_map {
1853	my ($exit) = @_;	2309	my ($exit) = @_;
		2310
		2311	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		2312
1855	# all this does is basically replace the /! path by	2313	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	2314	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	2315	# that depends on the exit object
1858		2316
1859	my $rmp = parse_random_map_params $exit->msg;	2317	my $rmp = parse_random_map_params $exit->msg;
1860		2318
1861	if ($exit->map) {	2319	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2320	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2321	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2322	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2323	$rmp->{origin_y} = $exit->y;
1866	}	2324	}
1867		2325
1868	$rmp->{random_seed} ||= $exit->random_seed;	2326	$rmp->{random_seed} ||= $exit->random_seed;
1869		2327
1870	my $data = cf::to_json $rmp;	2328	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2329	my $md5 = Digest::MD5::md5_hex $data;
		2330	my $meta = "$RANDOMDIR/$md5.meta";
1872		2331
1873	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) {
1874	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;
1875		2336
1876	$exit->slaying ("?random/$md5");	2337	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2338	$exit->msg (undef);
1878	}	2339	}
1879	}	2340	}
1880		2341
1881	sub cf::object::player::enter_exit {	2342	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2343	my ($self, $exit) = @_;
1883		2344
1884	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;
1885		2357
1886	$self->enter_link;	2358	$self->enter_link;
1887		2359
1888	(async {	2360	(async {
1889	$self->deactivate_recursive; # just to be sure	2361	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2362	unless (eval {
1891	prepare_random_map $exit	2363	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		2364
1897	1;	2365	1;
1898	}) {	2366	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2367	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "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. "
1901	. "Please report this to the dungeon master!",	2369	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2370	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2371
1904	warn "ERROR in enter_exit: $@";	2372	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2373	$self->leave_link;
1906	}	2374	}
1907	})->prio (1);	2375	})->prio (1);
…		…
1920		2388
1921	sub cf::client::send_drawinfo {	2389	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2390	my ($self, $text, $flags) = @_;
1923		2391
1924	utf8::encode $text;	2392	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2393	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2394	}
1927		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	}
1928		2446
1929	=item $success = $client->query ($flags, "text", \&cb)	2447	=item $success = $client->query ($flags, "text", \&cb)
1930		2448
1931	Queues a query to the client, calling the given callback with	2449	Queues a query to the client, calling the given callback with
1932	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>,
1933	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>.
1934		2452
1935	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
1936	reliable at some point in the future.	2454	become reliable at some point in the future.
1937		2455
1938	=cut	2456	=cut
1939		2457
1940	sub cf::client::query {	2458	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2459	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2467	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2468	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2469
1952	$self->send_packet ($self->{query_queue}[0][0])	2470	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2471	if @{ $self->{query_queue} } == 1;
		2472
		2473	1
1954	}	2474	}
1955		2475
1956	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	},
1957	on_reply => sub {	2482	on_reply => sub {
1958	my ($ns, $msg) = @_;	2483	my ($ns, $msg) = @_;
1959		2484
1960	# this weird shuffling is so that direct followup queries	2485	# this weird shuffling is so that direct followup queries
1961	# get handled first	2486	# get handled first
1962	my $queue = delete $ns->{query_queue}	2487	my $queue = delete $ns->{query_queue}
1963	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
1964		2489
1965	(shift @$queue)->[1]->($msg);	2490	(shift @$queue)->[1]->($msg);
		2491	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2492
1967	push @{ $ns->{query_queue} }, @$queue;	2493	push @{ $ns->{query_queue} }, @$queue;
1968		2494
1969	if (@{ $ns->{query_queue} } == @$queue) {	2495	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2496	if (@$queue) {
…		…
1972	} else {	2498	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2499	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	2500	}
1975	}	2501	}
1976	},	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	},
1977	);	2521	);
1978		2522
1979	=item $client->async (\&cb)	2523	=item $client->async (\&cb)
1980		2524
1981	Create a new coroutine, running the specified callback. The coroutine will	2525	Create a new coroutine, running the specified callback. The coroutine will
…		…
2028		2572
2029	# here we export the classes and methods available to script code	2573	# here we export the classes and methods available to script code
2030		2574
2031	=pod	2575	=pod
2032		2576
2033	The following fucntions and emthods are available within a safe environment:	2577	The following functions and methods are available within a safe environment:
2034		2578
2035	cf::object contr pay_amount pay_player map	2579	cf::object contr pay_amount pay_player map
2036	cf::object::player player	2580	cf::object::player player
2037	cf::player peaceful	2581	cf::player peaceful
2038	cf::map trigger	2582	cf::map trigger
…		…
2119	=back	2663	=back
2120		2664
2121	=cut	2665	=cut
2122		2666
2123	#############################################################################	2667	#############################################################################
		2668	# the server's init and main functions
2124		2669
2125	=head2 EXTENSION DATABASE SUPPORT	2670	sub load_facedata($) {
		2671	my ($path) = @_;
2126		2672
2127	Crossfire maintains a very simple database for extension use. It can	2673	warn "loading facedata from $path\n";
2128	currently store anything that can be serialised using Storable, which
2129	excludes objects.
2130		2674
2131	The parameter C<$family> should best start with the name of the extension	2675	my $facedata;
2132	using it, it should be unique.	2676	0 < aio_load $path, $facedata
		2677	or die "$path: $!";
2133		2678
2134	=over 4	2679	$facedata = Coro::Storable::thaw $facedata;
2135		2680
2136	=item $hashref = cf::db_get $family	2681	$facedata->{version} == 2
		2682	or cf::cleanup "$path: version mismatch, cannot proceed.";
2137		2683
2138	Return a hashref for use by the extension C<$family>, which can be
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141
2142	=item $value = cf::db_get $family => $key
2143
2144	Returns a single value from the database
2145
2146	=item cf::db_put $family => $hashref
2147
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}	2684	{
		2685	my $faces = $facedata->{faceinfo};
2174		2686
2175	my $pid;	2687	while (my ($face, $info) = each %$faces) {
2176		2688	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	sub db_save() {	2689	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2178	waitpid $pid, 0 if $pid;	2690	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2179	if (0 == ($pid = fork)) {	2691	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2180	$DB->{_meta}{version} = 1;	2692	Coro::cede;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});
2197
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {
2204	@_ >= 2
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208
2209	sub db_put($$;$) {
2210	if (@_ >= 3) {
2211	$DB->{$_[0]}{$_[1]} = $_[2];
2212	} else {
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2693	}
2223	);
2224	}
2225		2694
2226	#############################################################################	2695	while (my ($face, $info) = each %$faces) {
2227	# 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	}
2228		2762
2229	sub cfg_load {	2763	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2764	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	2765	or return;
2232		2766
2233	local $/;	2767	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	2768	*CFG = YAML::Syck::Load <$fh>;
2235		2769
…		…
2249		2783
2250	sub main {	2784	sub main {
2251	# we must not ever block the main coroutine	2785	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2786	local $Coro::idle = sub {
2253	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 {
2254	async { Event::one_event };	2789	Event::one_event;
		2790	})->prio (Coro::PRIO_MAX);
2255	};	2791	};
2256		2792
2257	cfg_load;	2793	cfg_load;
2258	db_load;	2794	db_init;
2259	load_extensions;	2795	load_extensions;
		2796
		2797	$TICK_WATCHER->start;
2260	Event::loop;	2798	Event::loop;
2261	}	2799	}
2262		2800
2263	#############################################################################	2801	#############################################################################
2264	# initialisation and cleanup	2802	# initialisation and cleanup
2265		2803
2266	# install some emergency cleanup handlers	2804	# install some emergency cleanup handlers
2267	BEGIN {	2805	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2806	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2807	Event->signal (
		2808	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2809	data => WF_AUTOCANCEL,
2271	signal => $signal,	2810	signal => $signal,
		2811	prio => 0,
2272	cb => sub {	2812	cb => sub {
2273	cf::cleanup "SIG$signal";	2813	cf::cleanup "SIG$signal";
2274	},	2814	},
2275	);	2815	);
2276	}	2816	}
2277	}	2817	}
2278		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
2279	sub emergency_save() {	2857	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	2858	my $freeze_guard = cf::freeze_mainloop;
2281		2859
2282	warn "enter emergency perl save\n";	2860	warn "enter emergency perl save\n";
2283		2861
2284	cf::sync_job {	2862	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	2863	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	2864	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	2865	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	2866	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	2867	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	2868	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	2869	$pl->valid or next;
2292	$pl->save;	2870	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	2876	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	2877	$map->valid or next;
2300	$map->save;	2878	$map->save;
2301	}	2879	}
2302	warn "end emergency map save\n";	2880	warn "end emergency map save\n";
		2881
		2882	warn "begin emergency database checkpoint\n";
		2883	BDB::db_env_txn_checkpoint $DB_ENV;
		2884	warn "end emergency database checkpoint\n";
2303	};	2885	};
2304		2886
2305	warn "leave emergency perl save\n";	2887	warn "leave emergency perl save\n";
2306	}	2888	}
2307		2889
		2890	sub post_cleanup {
		2891	my ($make_core) = @_;
		2892
		2893	warn Carp::longmess "post_cleanup backtrace"
		2894	if $make_core;
		2895	}
		2896
2308	sub reload() {	2897	sub do_reload_perl() {
2309	# can/must only be called in main	2898	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	2899	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	2900	warn "can only reload from main coroutine";
2312	return;	2901	return;
2313	}	2902	}
2314		2903
2315	warn "reloading...";	2904	warn "reloading...";
2316		2905
2317	warn "freezing server";	2906	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	2907
		2908	cf::sync_job {
		2909	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2910	cf::emergency_save;
		2911	cf::write_runtime; # external watchdog should not bark
2320		2912
2321	warn "sync database to disk";	2913	warn "syncing database to disk";
2322	cf::db_sync;	2914	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		2915
2325	eval {
2326	# 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
2327		2917
2328	warn "cancel all watchers";	2918	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	2919	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	2920	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	2921	}
2332		2922
		2923	warn "flushing outstanding aio requests";
		2924	for (;;) {
		2925	BDB::flush;
		2926	IO::AIO::flush;
		2927	Coro::cede;
		2928	last unless IO::AIO::nreqs || BDB::nreqs;
		2929	warn "iterate...";
		2930	}
		2931
		2932	++$RELOAD;
		2933
2333	warn "cancel all extension coros";	2934	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	2935	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	2936	%EXT_CORO = ();
2336		2937
2337	warn "remove commands";	2938	warn "removing commands";
2338	%COMMAND = ();	2939	%COMMAND = ();
2339		2940
2340	warn "remove ext commands";	2941	warn "removing ext/exti commands";
2341	%EXTCMD = ();	2942	%EXTCMD = ();
		2943	%EXTICMD = ();
2342		2944
2343	warn "unload/nuke all extensions";	2945	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	2946	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	2947	warn "... unloading $pkg";
2346		2948
2347	if (my $cb = $pkg->can ("unload")) {	2949	if (my $cb = $pkg->can ("unload")) {
2348	eval {	2950	eval {
…		…
2353		2955
2354	warn "... nuking $pkg";	2956	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	2957	Symbol::delete_package $pkg;
2356	}	2958	}
2357		2959
2358	warn "unload all perl modules loaded from $LIBDIR";	2960	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	2961	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2962	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		2963
2362	warn "removing <$k>";	2964	warn "... unloading $k";
2363	delete $INC{$k};	2965	delete $INC{$k};
2364		2966
2365	$k =~ s/\.pm$//;	2967	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	2968	$k =~ s/\//::/g;
2367		2969
…		…
2370	}	2972	}
2371		2973
2372	Symbol::delete_package $k;	2974	Symbol::delete_package $k;
2373	}	2975	}
2374		2976
2375	warn "get rid of safe::, as good as possible";	2977	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	2978	Symbol::delete_package "safe::$_"
2377	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);
2378		2980
2379	warn "unload cf.pm \"a bit\"";	2981	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	2982	delete $INC{"cf.pm"};
		2983	delete $INC{"cf/pod.pm"};
2381		2984
2382	# don't, removes xs symbols, too,	2985	# don't, removes xs symbols, too,
2383	# and global variables created in xs	2986	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	2987	#Symbol::delete_package __PACKAGE__;
2385		2988
		2989	warn "unload completed, starting to reload now";
		2990
2386	warn "reloading cf.pm";	2991	warn "reloading cf.pm";
2387	require cf;	2992	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2993	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		2994
2390	warn "load config and database again";	2995	warn "loading config and database again";
2391	cf::cfg_load;	2996	cf::cfg_load;
2392	cf::db_load;
2393		2997
2394	warn "load extensions";	2998	warn "loading extensions";
2395	cf::load_extensions;	2999	cf::load_extensions;
2396		3000
2397	warn "reattach attachments to objects/players";	3001	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3002	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3003	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3004	reattach $_ for values %MAP;
2401	};	3005	warn "reattaching attachments to players";
		3006	reattach $_ for values %PLAYER;
2402		3007
2403	if ($@) {	3008	warn "leaving sync_job";
		3009
		3010	1
		3011	} or do {
2404	warn $@;	3012	warn $@;
2405	warn "error while reloading, exiting.";	3013	warn "error while reloading, exiting.";
2406	exit 1;	3014	exit 1;
2407	}	3015	};
2408		3016
2409	warn "reloaded";	3017	warn "reloaded";
2410	};	3018	};
2411		3019
2412	#############################################################################	3020	our $RELOAD_WATCHER; # used only during reload
2413		3021
2414	unless ($LINK_MAP) {	3022	sub reload_perl() {
2415	$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.
2416		3025
2417	$LINK_MAP->width (41);	3026	$RELOAD_WATCHER ||= Event->timer (
2418	$LINK_MAP->height (41);	3027	reentrant => 0,
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,	3028	after => 0,
		3029	data => WF_AUTOCANCEL,
2427	cb => sub {	3030	cb => sub {
2428	$_[0]->w->cancel;	3031	do_reload_perl;
2429		3032	undef $RELOAD_WATCHER;
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});	3033	},
2448		3034	);
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3035	}
2454		3036
2455	register_command "reload" => sub {	3037	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3038	my ($who, $arg) = @_;
2457		3039
2458	if ($who->flag (FLAG_WIZ)) {	3040	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3041	$who->message ("reloading server.");
		3042	async { reload_perl };
2462	}	3043	}
2463	};	3044	};
2464		3045
2465	unshift @INC, $LIBDIR;	3046	unshift @INC, $LIBDIR;
2466		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;
2467	$TICK_WATCHER = Event->timer (	3073	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	3074	reentrant => 0,
		3075	parked => 1,
2469	prio => 0,	3076	prio => 0,
2470	at => $NEXT_TICK || $TICK,	3077	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	3078	data => WF_AUTOCANCEL,
2472	cb => sub {	3079	cb => sub {
		3080	if ($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
2473	$NOW = Event::time;	3086	$NOW = $tick_start = Event::time;
2474		3087
2475	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
2476	$RUNTIME += $TICK;	3113	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	3114	$NEXT_TICK += $TICK;
2478		3115
2479	$WAIT_FOR_TICK->broadcast;	3116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	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;
2481		3135
2482	# 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
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3137	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2484		3138
2485	$TICK_WATCHER->at ($NEXT_TICK);	3139	$TICK_WATCHER->at ($NEXT_TICK);
2486	$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
2487	},	3148	},
2488	);	3149	);
2489		3150
		3151	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	3152	BDB::max_poll_time $TICK * 0.1;
2491		3153	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	3154	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	3155	fd => BDB::poll_fileno,
2494	poll => 'r',	3156	poll => 'r',
2495	prio => 5,	3157	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	3158	data => WF_AUTOCANCEL,
2502	after => 0,	3159	cb => \&BDB::poll_cb,
2503	interval => 10,	3160	);
2504	cb => sub {	3161	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	3162
2506	write_runtime	3163	BDB::set_sync_prepare {
2507	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 $@;
2508	})->();	3197	};
2509	},	3198	}
2510	);	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;
2511		3256
2512	END { cf::emergency_save }	3257	END { cf::emergency_save }
2513		3258
2514	1	3259	1
2515		3260

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