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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.295 by root, Wed Jul 4 05:08:15 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	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542		579
543	#############################################################################	580	#############################################################################
544		581
545	=head2 ATTACHABLE OBJECTS	582	=head2 ATTACHABLE OBJECTS
546		583
…		…
548	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")
549	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
550		587
551	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>
552	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
553	crossfire+).	590	Crossfire TRT).
554		591
555	=over 4	592	=over 4
556		593
557	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
558		595
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	709	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	710	our @CB_MAP = ();
674		711
675	my %attachment;	712	my %attachment;
676		713
		714	sub cf::attachable::thawer_merge {
		715	# simply override everything except _meta
		716	local $_[0]{_meta};
		717	%{$_[0]} = %{$_[1]};
		718	}
		719
677	sub _attach_cb($$$$) {	720	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	721	my ($registry, $event, $prio, $cb) = @_;
679		722
680	use sort 'stable';	723	use sort 'stable';
681		724
…		…
715	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
716		759
717	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
718	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
719	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
720	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
721		764
722	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
723	my $pkg = shift @arg;	766	my $pkg = shift @arg;
724		767
725	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
754	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
755	}	798	}
756		799
757	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
758	} else {	801	} else {
759	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
760	}	803	}
761		804
762	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
763	}	806	}
764		807
…		…
766	if (ref $_[0]) {	809	if (ref $_[0]) {
767	_object_attach @_;	810	_object_attach @_;
768	} else {	811	} else {
769	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
770	}	813	}
		814	_recalc_want;
771	};	815	};
772		816
773	# all those should be optimised	817	# all those should be optimised
774	sub cf::attachable::detach {	818	sub cf::attachable::detach {
775	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
778	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
779	reattach ($obj);	823	reattach ($obj);
780	} else {	824	} else {
781	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
782	}	826	}
		827	_recalc_want;
783	};	828	};
784		829
785	sub cf::attachable::attached {	830	sub cf::attachable::attached {
786	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
787		832
…		…
852	# object support	897	# object support
853		898
854	sub reattach {	899	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	900	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	901	my ($obj) = @_;
		902
		903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		904
858	my $registry = $obj->registry;	905	my $registry = $obj->registry;
859		906
860	@$registry = ();	907	@$registry = ();
861		908
…		…
908	$filename, length $$rdata, scalar @$objs;	955	$filename, length $$rdata, scalar @$objs;
909		956
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913	aio_fsync $fh;	960	aio_fsync $fh if $cf::USE_FSYNC;
914	close $fh;	961	close $fh;
915		962
916	if (@$objs) {	963	if (@$objs) {
917	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) {
918	chmod SAVE_MODE, $fh;	965	chmod SAVE_MODE, $fh;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	966	my $data = Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	967	aio_write $fh, 0, (length $data), $data, 0;
921	aio_fsync $fh;	968	aio_fsync $fh if $cf::USE_FSYNC;
922	close $fh;	969	close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	970	aio_rename "$filename.pst~", "$filename.pst";
924	}	971	}
925	} else {	972	} else {
926	aio_unlink "$filename.pst";	973	aio_unlink "$filename.pst";
…		…
958	or return;	1005	or return;
959	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
960	}	1007	}
961		1008
962	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
963	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
964	return ($data, $av);	1011	return ($data, $av);
965	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
966		1019
967	#############################################################################	1020	#############################################################################
968	# command handling &c	1021	# command handling &c
969		1022
970	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
983	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
984	}	1037	}
985		1038
986	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
987		1040
988	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.
989		1046
990	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
991	called.	1048	called.
992		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
993	=cut	1061	=cut
994		1062
995	sub register_extcmd {	1063	sub register_extcmd {
996	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
997		1065
998	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
999	}	1073	}
1000		1074
1001	cf::player->attach (	1075	cf::player->attach (
1002	on_command => sub {	1076	on_command => sub {
1003	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
1012	cf::override;	1086	cf::override;
1013	},	1087	},
1014	on_extcmd => sub {	1088	on_extcmd => sub {
1015	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
1016		1090
1017	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1018		1092
1019	if (ref $msg) {	1093	if (ref $msg) {
1020	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
1021	if (my %reply = $cb->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
1022	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
1028		1102
1029	cf::override;	1103	cf::override;
1030	},	1104	},
1031	);	1105	);
1032		1106
1033	sub load_extension {
1034	my ($path) = @_;
1035
1036	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1037	my $base = $1;
1038	my $pkg = $1;
1039	$pkg =~ s/[^[:word:]]/_/g;
1040	$pkg = "ext::$pkg";
1041
1042	warn "... loading '$path' into '$pkg'\n";
1043
1044	open my $fh, "<:utf8", $path
1045	or die "$path: $!";
1046
1047	my $source =
1048	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })
1051	. "\n};\n1";
1052
1053	eval $source
1054	or die $@ ? "$path: $@\n"
1055	: "extension disabled.\n";
1056
1057	push @EXTS, $pkg;
1058	}
1059
1060	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
1061	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
1062	next unless -r $ext;	1112	next unless -r $path;
1063	eval {	1113
1064	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;
1065	1	1171	}
1066	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
1067	}	1177	};
1068	}	1178	}
1069		1179
1070	#############################################################################	1180	#############################################################################
1071	# load/save/clean perl data associated with a map
1072		1181
1073	*cf::mapsupport::on_clean = sub {	1182	=back
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		1183
1086	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
1087		1185
1088	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
1089		1187
…		…
1102	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
1103		1201
1104	=cut	1202	=cut
1105		1203
1106	sub playerdir($) {	1204	sub playerdir($) {
1107	cf::localdir	1205	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	1207	}
1113		1208
1114	sub path($) {	1209	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		1211
1117	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
1118	}	1213	}
1119		1214
1120	sub find_active($) {	1215	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
1125		1220
1126	sub exists($) {	1221	sub exists($) {
1127	my ($login) = @_;	1222	my ($login) = @_;
1128		1223
1129	$cf::PLAYER{$login}	1224	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1225	or cf::sync_job { !aio_stat path $login }
1131	}	1226	}
1132		1227
1133	sub find($) {	1228	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1229	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1230	my $login = $_[0];
1136		1231
1137	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
1138		1233
1139	$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
1140	my $pl = load_pl path $login	1242	my $pl = load_pl path $login
1141	or return;	1243	or return;
1142	$cf::PLAYER{$login} = $pl	1244	$cf::PLAYER{$login} = $pl
1143	}	1245	}
1144	}	1246	}
…		…
1181		1283
1182	=cut	1284	=cut
1183		1285
1184	sub quit_character {	1286	sub quit_character {
1185	my ($pl) = @_;	1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
1186		1290
1187	$pl->{deny_save} = 1;	1291	$pl->{deny_save} = 1;
1188	$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
1189		1293
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1299	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1300	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1301	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1302	delete $cf::PLAYER{$pl->ob->name};
1199	$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
1200	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;
1201	}	1325	}
1202		1326
1203	=item cf::player::list_logins	1327	=item cf::player::list_logins
1204		1328
1205	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
1206	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1207		1331
1208	=cut	1332	=cut
1209		1333
1210	sub list_logins {	1334	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1336	or return [];
1213		1337
1214	my @logins;	1338	my @logins;
1215		1339
1216	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1225	\@logins	1349	\@logins
1226	}	1350	}
1227		1351
1228	=item $player->maps	1352	=item $player->maps
1229		1353
1230	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
1231	player. May block.	1355	player. May block.
1232		1356
1233	=cut	1357	=cut
1234		1358
1235	sub maps($) {	1359	sub maps($) {
1236	my ($pl) = @_;	1360	my ($pl) = @_;
		1361
		1362	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1363
1238	my $files = aio_readdir playerdir $pl	1364	my $files = aio_readdir playerdir $pl
1239	or return;	1365	or return;
1240		1366
1241	my @paths;	1367	my @paths;
…		…
1243	for (@$files) {	1369	for (@$files) {
1244	utf8::decode $_;	1370	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1371	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1372	next unless /^$PATH_SEP/o;
1247		1373
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1374	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1375	}
1250		1376
1251	\@paths	1377	\@paths
1252	}	1378	}
1253		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	s/\s+\n/\n/g; # ws line-ends
		1418	s/\n\n+/\n/g; # double lines
		1419	s/^\n+//; # beginning lines
		1420	s/\n+$//; # ending lines
		1421
		1422	$_
		1423	}
		1424
		1425	sub hintmode {
		1426	$_[0]{hintmode} = $_[1] if @_ > 1;
		1427	$_[0]{hintmode}
		1428	}
		1429
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1430	=item $player->ext_reply ($msgid, %msg)
1255		1431
1256	Sends an ext reply to the player.	1432	Sends an ext reply to the player.
1257		1433
1258	=cut	1434	=cut
1259		1435
1260	sub ext_reply($$$%) {	1436	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1437	my ($self, $id, %msg) = @_;
1262		1438
1263	$msg{msgid} = $id;	1439	$msg{msgid} = $id;
1264		1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1441	}
1267		1442
1268	package cf;	1443	=item $player->ext_event ($type, %msg)
		1444
		1445	Sends an ext event to the client.
		1446
		1447	=cut
		1448
		1449	sub ext_event($$%) {
		1450	my ($self, $type, %msg) = @_;
		1451
		1452	$self->ns->ext_event ($type, %msg);
		1453	}
		1454
		1455	=head3 cf::region
		1456
		1457	=over 4
		1458
		1459	=cut
		1460
		1461	package cf::region;
		1462
		1463	=item cf::region::find_by_path $path
		1464
		1465	Tries to decuce the likely region for a map knowing only its path.
		1466
		1467	=cut
		1468
		1469	sub find_by_path($) {
		1470	my ($path) = @_;
		1471
		1472	my ($match, $specificity);
		1473
		1474	for my $region (list) {
		1475	if ($region->match && $path =~ $region->match) {
		1476	($match, $specificity) = ($region, $region->specificity)
		1477	if $region->specificity > $specificity;
		1478	}
		1479	}
		1480
		1481	$match
		1482	}
1269		1483
1270	=back	1484	=back
1271
1272		1485
1273	=head3 cf::map	1486	=head3 cf::map
1274		1487
1275	=over 4	1488	=over 4
1276		1489
…		…
1279	package cf::map;	1492	package cf::map;
1280		1493
1281	use Fcntl;	1494	use Fcntl;
1282	use Coro::AIO;	1495	use Coro::AIO;
1283		1496
		1497	use overload
		1498	'""' => \&as_string,
		1499	fallback => 1;
		1500
1284	our $MAX_RESET = 3600;	1501	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1502	our $DEFAULT_RESET = 3000;
1286		1503
1287	sub generate_random_map {	1504	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1505	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1506	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1507	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1511	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1512	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1518	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1519	)
1305	}	1520	}
1306		1521
		1522	=item cf::map->register ($regex, $prio)
		1523
		1524	Register a handler for the map path matching the given regex at the
		1525	givne priority (higher is better, built-in handlers have priority 0, the
		1526	default).
		1527
		1528	=cut
		1529
		1530	sub register {
		1531	my (undef, $regex, $prio) = @_;
		1532	my $pkg = caller;
		1533
		1534	no strict;
		1535	push @{"$pkg\::ISA"}, __PACKAGE__;
		1536
		1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1538	}
		1539
		1540	# also paths starting with '/'
		1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1542
		1543	sub thawer_merge {
		1544	my ($self, $merge) = @_;
		1545
		1546	# we have to keep some variables in memory intact
		1547	local $self->{path};
		1548	local $self->{load_path};
		1549
		1550	$self->SUPER::thawer_merge ($merge);
		1551	}
		1552
		1553	sub normalise {
		1554	my ($path, $base) = @_;
		1555
		1556	$path = "$path"; # make sure its a string
		1557
		1558	$path =~ s/\.map$//;
		1559
		1560	# map plan:
		1561	#
		1562	# /! non-realised random map exit (special hack!)
		1563	# {... are special paths that are not being touched
		1564	# ?xxx/... are special absolute paths
		1565	# ?random/... random maps
		1566	# /... normal maps
		1567	# ~user/... per-player map of a specific user
		1568
		1569	$path =~ s/$PATH_SEP/\//go;
		1570
		1571	# treat it as relative path if it starts with
		1572	# something that looks reasonable
		1573	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1574	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1575
		1576	$base =~ s{[^/]+/?$}{};
		1577	$path = "$base/$path";
		1578	}
		1579
		1580	for ($path) {
		1581	redo if s{//}{/};
		1582	redo if s{/\.?/}{/};
		1583	redo if s{/[^/]+/\.\./}{/};
		1584	}
		1585
		1586	$path
		1587	}
		1588
		1589	sub new_from_path {
		1590	my (undef, $path, $base) = @_;
		1591
		1592	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1593
		1594	$path = normalise $path, $base;
		1595
		1596	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1597	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1598	my $self = bless cf::map::new, $pkg;
		1599	$self->{path} = $path; $self->path ($path);
		1600	$self->init; # pass $1 etc.
		1601	return $self;
		1602	}
		1603	}
		1604
		1605	Carp::carp "unable to resolve path '$path' (base '$base').";
		1606	()
		1607	}
		1608
		1609	sub init {
		1610	my ($self) = @_;
		1611
		1612	$self
		1613	}
		1614
		1615	sub as_string {
		1616	my ($self) = @_;
		1617
		1618	"$self->{path}"
		1619	}
		1620
		1621	# the displayed name, this is a one way mapping
		1622	sub visible_name {
		1623	&as_string
		1624	}
		1625
		1626	# the original (read-only) location
		1627	sub load_path {
		1628	my ($self) = @_;
		1629
		1630	"$MAPDIR/$self->{path}.map"
		1631	}
		1632
		1633	# the temporary/swap location
		1634	sub save_path {
		1635	my ($self) = @_;
		1636
		1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1638	"$TMPDIR/$path.map"
		1639	}
		1640
		1641	# the unique path, undef == no special unique path
		1642	sub uniq_path {
		1643	my ($self) = @_;
		1644
		1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1646	"$UNIQUEDIR/$path"
		1647	}
		1648
1307	# and all this just because we cannot iterate over	1649	# and all this just because we cannot iterate over
1308	# all maps in C++...	1650	# all maps in C++...
1309	sub change_all_map_light {	1651	sub change_all_map_light {
1310	my ($change) = @_;	1652	my ($change) = @_;
1311		1653
1312	$_->change_map_light ($change)	1654	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1655	for grep $_->outdoor, values %cf::MAP;
1314	}	1656	}
1315		1657
		1658	sub decay_objects {
		1659	my ($self) = @_;
		1660
		1661	return if $self->{deny_reset};
		1662
		1663	$self->do_decay_objects;
		1664	}
		1665
		1666	sub unlink_save {
		1667	my ($self) = @_;
		1668
		1669	utf8::encode (my $save = $self->save_path);
		1670	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1671	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1672	}
		1673
1316	sub load_map_header($) {	1674	sub load_header_from($) {
1317	my ($path) = @_;	1675	my ($self, $path) = @_;
1318		1676
1319	utf8::encode $path;	1677	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1678	#aio_open $path, O_RDONLY, 0
		1679	# or return;
		1680
		1681	$self->_load_header ($path)
1321	or return;	1682	or return;
1322		1683
1323	my $map = cf::map::new	1684	$self->{load_path} = $path;
		1685
		1686	1
		1687	}
		1688
		1689	sub load_header_orig {
		1690	my ($self) = @_;
		1691
		1692	$self->load_header_from ($self->load_path)
		1693	}
		1694
		1695	sub load_header_temp {
		1696	my ($self) = @_;
		1697
		1698	$self->load_header_from ($self->save_path)
		1699	}
		1700
		1701	sub prepare_temp {
		1702	my ($self) = @_;
		1703
		1704	$self->last_access ((delete $self->{last_access})
		1705	|| $cf::RUNTIME); #d#
		1706	# safety
		1707	$self->{instantiate_time} = $cf::RUNTIME
		1708	if $self->{instantiate_time} > $cf::RUNTIME;
		1709	}
		1710
		1711	sub prepare_orig {
		1712	my ($self) = @_;
		1713
		1714	$self->{load_original} = 1;
		1715	$self->{instantiate_time} = $cf::RUNTIME;
		1716	$self->last_access ($cf::RUNTIME);
		1717	$self->instantiate;
		1718	}
		1719
		1720	sub load_header {
		1721	my ($self) = @_;
		1722
		1723	if ($self->load_header_temp) {
		1724	$self->prepare_temp;
		1725	} else {
		1726	$self->load_header_orig
1324	or return;	1727	or return;
		1728	$self->prepare_orig;
		1729	}
1325		1730
1326	# for better error messages only, will be overwritten later	1731	$self->{deny_reset} = 1
1327	$map->path ($path);	1732	if $self->no_reset;
1328		1733
1329	$map->load_header ($path)	1734	$self->default_region (cf::region::find_by_path $self->{path})
1330	or return;	1735	unless $self->default_region;
1331		1736
1332	$map->{load_path} = $path;	1737	1
1333
1334	$map
1335	}	1738	}
1336		1739
1337	sub find;	1740	sub find;
1338	sub find {	1741	sub find {
1339	my ($path, $origin) = @_;	1742	my ($path, $origin) = @_;
1340		1743
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1744	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1745
1346	cf::lock_wait "map_find:$key";	1746	cf::lock_wait "map_find:$path";
1347		1747
1348	$cf::MAP{$key} || do {	1748	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1749	my $guard = cf::lock_acquire "map_find:$path";
1350		1750	my $map = new_from_path cf::map $path
1351	# do it the slow way
1352	my $map = $path->load_temp;
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	1751	or return;
1365		1752
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	1753	$map->{last_save} = $cf::RUNTIME;
1378		1754
1379	Coro::cede;	1755	$map->load_header
		1756	or return;
1380		1757
1381	if ($map->should_reset) {	1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1759	# doing this can freeze the server in a sync job, obviously
		1760	#$cf::WAIT_FOR_TICK->wait;
1382	$map->reset;	1761	$map->reset;
1383	undef $guard;	1762	undef $guard;
1384	$map = find $path	1763	return find $path;
1385	or return;
1386	}	1764	}
1387		1765
1388	$cf::MAP{$key} = $map	1766	$cf::MAP{$path} = $map
1389	}	1767	}
1390	}	1768	}
		1769
		1770	sub pre_load { }
		1771	sub post_load { }
1391		1772
1392	sub load {	1773	sub load {
1393	my ($self) = @_;	1774	my ($self) = @_;
1394		1775
		1776	local $self->{deny_reset} = 1; # loading can take a long time
		1777
1395	my $path = $self->{path};	1778	my $path = $self->{path};
		1779
		1780	{
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1781	my $guard = cf::lock_acquire "map_load:$path";
1397		1782
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1783	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1784
1400	$self->in_memory (cf::MAP_LOADING);	1785	$self->in_memory (cf::MAP_LOADING);
1401		1786
1402	$self->alloc;	1787	$self->alloc;
		1788
		1789	$self->pre_load;
		1790	Coro::cede;
		1791
1403	$self->load_objects ($self->{load_path}, 1)	1792	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1793	or return;
1405		1794
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1796	if delete $self->{load_original};
1408		1797
1409	if (my $uniq = $path->uniq_path) {	1798	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1799	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1800	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1801	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1802	$self->_load_objects ($uniq, 0);
1414	}	1803	}
1415	}	1804	}
1416		1805
1417	Coro::cede;	1806	Coro::cede;
1418
1419	# now do the right thing for maps	1807	# now do the right thing for maps
1420	$self->link_multipart_objects;	1808	$self->link_multipart_objects;
1421
1422	if ($self->{path}->is_style_map) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;
1427	$self->fix_auto_apply;
1428	$self->update_buttons;
1429	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1809	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1810	unless $self->difficulty;
		1811	Coro::cede;
		1812
		1813	unless ($self->{deny_activate}) {
		1814	$self->decay_objects;
		1815	$self->fix_auto_apply;
		1816	$self->update_buttons;
		1817	Coro::cede;
		1818	$self->set_darkness_map;
		1819	Coro::cede;
1432	$self->activate;	1820	$self->activate;
1433	}	1821	}
1434		1822
1435	Coro::cede;
1436
1437	$self->in_memory (cf::MAP_IN_MEMORY);	1823	$self->in_memory (cf::MAP_IN_MEMORY);
		1824	}
		1825
		1826	$self->post_load;
		1827	}
		1828
		1829	sub customise_for {
		1830	my ($self, $ob) = @_;
		1831
		1832	return find "~" . $ob->name . "/" . $self->{path}
		1833	if $self->per_player;
		1834
		1835	# return find "?party/" . $ob->name . "/" . $self->{path}
		1836	# if $self->per_party;
		1837
		1838	$self
1438	}	1839	}
1439		1840
1440	# find and load all maps in the 3x3 area around a map	1841	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1842	sub load_diag {
1442	my ($map) = @_;	1843	my ($map) = @_;
…		…
1472		1873
1473	cf::sync_job { $map->load };	1874	cf::sync_job { $map->load };
1474	}	1875	}
1475		1876
1476	our %MAP_PREFETCH;	1877	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = Coro::async {	1878	our $MAP_PREFETCHER = undef;
1478	while () {
1479	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH
1481	or next;
1482	my $path = delete $MAP_PREFETCH{$key};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}
1488	Coro::schedule;
1489	}
1490	};
1491		1879
1492	sub find_async {	1880	sub find_async {
1493	my ($path, $origin) = @_;	1881	my ($path, $origin) = @_;
1494		1882
1495	$path = new cf::path $path, $origin && $origin->path;	1883	$path = normalise $path, $origin && $origin->{path};
1496	my $key = $path->as_string;
1497		1884
1498	if (my $map = $cf::MAP{$key}) {	1885	if (my $map = $cf::MAP{$path}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}	1887	}
1501		1888
1502	$MAP_PREFETCH{$key} = $path;	1889	undef $MAP_PREFETCH{$path};
		1890	$MAP_PREFETCHER ||= cf::async {
		1891	while (%MAP_PREFETCH) {
		1892	for my $path (keys %MAP_PREFETCH) {
		1893	my $map = find $path
		1894	or next;
		1895	$map->load;
		1896
		1897	delete $MAP_PREFETCH{$path};
		1898	}
		1899	}
		1900	undef $MAP_PREFETCHER;
		1901	};
1503	$MAP_PREFETCHER->ready;	1902	$MAP_PREFETCHER->prio (6);
1504		1903
1505	()	1904	()
1506	}	1905	}
1507		1906
1508	sub save {	1907	sub save {
…		…
1512		1911
1513	$self->{last_save} = $cf::RUNTIME;	1912	$self->{last_save} = $cf::RUNTIME;
1514		1913
1515	return unless $self->dirty;	1914	return unless $self->dirty;
1516		1915
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1916	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1917	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		1918
1520	$self->{load_path} = $save;	1919	$self->{load_path} = $save;
1521		1920
1522	return if $self->{deny_save};	1921	return if $self->{deny_save};
1523		1922
…		…
1526	cf::async {	1925	cf::async {
1527	$_->contr->save for $self->players;	1926	$_->contr->save for $self->players;
1528	};	1927	};
1529		1928
1530	if ($uniq) {	1929	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	1932	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	1934	}
1536	}	1935	}
1537		1936
1538	sub swap_out {	1937	sub swap_out {
1539	my ($self) = @_;	1938	my ($self) = @_;
…		…
1553		1952
1554	sub reset_at {	1953	sub reset_at {
1555	my ($self) = @_;	1954	my ($self) = @_;
1556		1955
1557	# TODO: safety, remove and allow resettable per-player maps	1956	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};
1559	return 1e99 if $self->{deny_reset};	1957	return 1e99 if $self->{deny_reset};
1560		1958
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1959	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1960	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		1961
…		…
1568	my ($self) = @_;	1966	my ($self) = @_;
1569		1967
1570	$self->reset_at <= $cf::RUNTIME	1968	$self->reset_at <= $cf::RUNTIME
1571	}	1969	}
1572		1970
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	1971	sub reset {
1587	my ($self) = @_;	1972	my ($self) = @_;
1588		1973
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	1974	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		1975
1591	return if $self->players;	1976	return if $self->players;
1592	return if $self->{path}{user_rel};#d#
1593		1977
1594	warn "resetting map ", $self->path;#d#	1978	warn "resetting map ", $self->path;
		1979
		1980	$self->in_memory (cf::MAP_SWAPPED);
		1981
		1982	# need to save uniques path
		1983	unless ($self->{deny_save}) {
		1984	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1985
		1986	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1987	if $uniq;
		1988	}
1595		1989
1596	delete $cf::MAP{$self->path};	1990	delete $cf::MAP{$self->path};
1597		1991
		1992	$self->clear;
		1993
1598	$_->clear_links_to ($self) for values %cf::MAP;	1994	$_->clear_links_to ($self) for values %cf::MAP;
1599		1995
1600	$self->{path}->unlink_save;	1996	$self->unlink_save;
1601	$self->destroy;	1997	$self->destroy;
1602	}	1998	}
1603		1999
1604	my $nuke_counter = "aaaa";	2000	my $nuke_counter = "aaaa";
1605		2001
1606	sub nuke {	2002	sub nuke {
1607	my ($self) = @_;	2003	my ($self) = @_;
1608		2004
		2005	delete $cf::MAP{$self->path};
		2006
		2007	$self->unlink_save;
		2008
		2009	bless $self, "cf::map";
		2010	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2011	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2012	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2014
		2015	$cf::MAP{$self->path} = $self;
		2016
1612	$self->reset; # polite request, might not happen	2017	$self->reset; # polite request, might not happen
1613	}	2018	}
1614		2019
		2020	=item $maps = cf::map::tmp_maps
		2021
		2022	Returns an arrayref with all map paths of currently instantiated and saved
		2023	maps. May block.
		2024
		2025	=cut
		2026
		2027	sub tmp_maps() {
		2028	[
		2029	map {
		2030	utf8::decode $_;
		2031	/\.map$/
		2032	? normalise $_
		2033	: ()
		2034	} @{ aio_readdir $TMPDIR or [] }
		2035	]
		2036	}
		2037
		2038	=item $maps = cf::map::random_maps
		2039
		2040	Returns an arrayref with all map paths of currently instantiated and saved
		2041	random maps. May block.
		2042
		2043	=cut
		2044
		2045	sub random_maps() {
		2046	[
		2047	map {
		2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise "?random/$_"
		2051	: ()
		2052	} @{ aio_readdir $RANDOMDIR or [] }
		2053	]
		2054	}
		2055
1615	=item cf::map::unique_maps	2056	=item cf::map::unique_maps
1616		2057
1617	Returns an arrayref of cf::path's of all shared maps that have	2058	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2059	instantiated unique items. May block.
1619		2060
1620	=cut	2061	=cut
1621		2062
1622	sub unique_maps() {	2063	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2064	[
1624	or return;	2065	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2066	utf8::decode $_;
1630	next if /\.pst$/;	2067	/\.map$/
1631	next unless /^$PATH_SEP/o;	2068	? normalise $_
1632		2069	: ()
1633	push @paths, new cf::path $_;	2070	} @{ aio_readdir $UNIQUEDIR or [] }
1634	}	2071	]
1635
1636	\@paths
1637	}	2072	}
1638		2073
1639	package cf;	2074	package cf;
1640		2075
1641	=back	2076	=back
…		…
1687		2122
1688	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2123	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1689		2124
1690	if ($self->{record_replies}) {	2125	if ($self->{record_replies}) {
1691	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2126	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2127
1692	} else {	2128	} else {
		2129	my $pl = $self->contr;
		2130
		2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2132	my $diag = $pl->{npc_dialog};
		2133	$diag->{pl}->ext_reply (
		2134	$diag->{id},
		2135	msgtype => "reply",
		2136	msg => $diag->{pl}->expand_cfpod ($msg),
		2137	add_topics => []
		2138	);
		2139
		2140	} else {
1693	$msg = $npc->name . " says: $msg" if $npc;	2141	$msg = $npc->name . " says: $msg" if $npc;
1694	$self->message ($msg, $flags);	2142	$self->message ($msg, $flags);
		2143	}
1695	}	2144	}
1696	}	2145	}
1697		2146
1698	=item $player_object->may ("access")	2147	=item $player_object->may ("access")
1699		2148
…		…
1713		2162
1714	=item $player_object->enter_link	2163	=item $player_object->enter_link
1715		2164
1716	Freezes the player and moves him/her to a special map (C<{link}>).	2165	Freezes the player and moves him/her to a special map (C<{link}>).
1717		2166
1718	The player should be reaosnably safe there for short amounts of time. You	2167	The player should be reasonably safe there for short amounts of time. You
1719	I<MUST> call C<leave_link> as soon as possible, though.	2168	I<MUST> call C<leave_link> as soon as possible, though.
1720		2169
		2170	Will never block.
		2171
1721	=item $player_object->leave_link ($map, $x, $y)	2172	=item $player_object->leave_link ($map, $x, $y)
1722		2173
1723	Moves the player out of the specila link map onto the given map. If the	2174	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	2175	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	2176	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	2177	fails, to the emergency map position.
1727		2178
1728	Might block.	2179	Might block.
1729		2180
1730	=cut	2181	=cut
		2182
		2183	sub link_map {
		2184	unless ($LINK_MAP) {
		2185	$LINK_MAP = cf::map::find "{link}"
		2186	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2187	$LINK_MAP->load;
		2188	}
		2189
		2190	$LINK_MAP
		2191	}
1731		2192
1732	sub cf::object::player::enter_link {	2193	sub cf::object::player::enter_link {
1733	my ($self) = @_;	2194	my ($self) = @_;
1734		2195
1735	$self->deactivate_recursive;	2196	$self->deactivate_recursive;
1736		2197
1737	return if $self->map == $LINK_MAP;	2198	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		2199
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	2201	if $self->map && $self->map->{path} ne "{link}";
1741		2202
1742	$self->enter_map ($LINK_MAP, 20, 20);	2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	2204	}
1744		2205
1745	sub cf::object::player::leave_link {	2206	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	2207	my ($self, $map, $x, $y) = @_;
		2208
		2209	return unless $self->contr->active;
1747		2210
1748	my $link_pos = delete $self->{_link_pos};	2211	my $link_pos = delete $self->{_link_pos};
1749		2212
1750	unless ($map) {	2213	unless ($map) {
1751	# restore original map position	2214	# restore original map position
…		…
1769	$map->load;	2232	$map->load;
1770	$map->load_diag;	2233	$map->load_diag;
1771		2234
1772	return unless $self->contr->active;	2235	return unless $self->contr->active;
1773	$self->activate_recursive;	2236	$self->activate_recursive;
		2237
		2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	2239	$self->enter_map ($map, $x, $y);
1775	}	2240	}
1776		2241
1777	cf::player->attach (
1778	on_logout => sub {
1779	my ($pl) = @_;
1780
1781	# abort map switching before logout
1782	if ($pl->ob->{_link_pos}) {
1783	cf::sync_job {
1784	$pl->ob->leave_link
1785	};
1786	}
1787	},
1788	on_login => sub {
1789	my ($pl) = @_;
1790
1791	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;
1795	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);
1802	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;
1804	})->prio (2);
1805	}
1806	},
1807	);
1808
1809	=item $player_object->goto ($path, $x, $y)	2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1810		2243
		2244	Moves the player to the given map-path and coordinates by first freezing
		2245	her, loading and preparing them map, calling the provided $check callback
		2246	that has to return the map if sucecssful, and then unfreezes the player on
		2247	the new (success) or old (failed) map position.
		2248
1811	=cut	2249	=cut
		2250
		2251	our $GOTOGEN;
1812		2252
1813	sub cf::object::player::goto {	2253	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	2254	my ($self, $path, $x, $y, $check) = @_;
1815		2255
1816	$path = new cf::path $path;	2256	# do generation counting so two concurrent goto's will be executed in-order
		2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1817		2258
1818	$self->enter_link;	2259	$self->enter_link;
1819		2260
1820	(async {	2261	(async {
		2262	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	2263	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1823		2264
1824	# warn "entering ", $map->path, " at ($x, $y)\n"
1825	# if $map;	2265	if ($map) {
1826		2266	$map = $map->customise_for ($self);
		2267	$map = $check->($map) if $check && $map;
		2268	} else {
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2270	}
1828		2271
		2272	$map
		2273	};
		2274
		2275	if ($@) {
		2276	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2277	LOG llevError | logBacktrace, Carp::longmess $@;
		2278	}
		2279
		2280	if ($gen == $self->{_goto_generation}) {
		2281	delete $self->{_goto_generation};
1829	$self->leave_link ($map, $x, $y);	2282	$self->leave_link ($map, $x, $y);
		2283	}
1830	})->prio (1);	2284	})->prio (1);
1831	}	2285	}
1832		2286
1833	=item $player_object->enter_exit ($exit_object)	2287	=item $player_object->enter_exit ($exit_object)
1834		2288
…		…
1836		2290
1837	sub parse_random_map_params {	2291	sub parse_random_map_params {
1838	my ($spec) = @_;	2292	my ($spec) = @_;
1839		2293
1840	my $rmp = { # defaults	2294	my $rmp = { # defaults
1841	xsize => 10,	2295	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	2296	ysize => (cf::rndm 15, 40),
		2297	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2298	#layout => string,
1843	};	2299	};
1844		2300
1845	for (split /\n/, $spec) {	2301	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	2302	my ($k, $v) = split /\s+/, $_, 2;
1847		2303
…		…
1851	$rmp	2307	$rmp
1852	}	2308	}
1853		2309
1854	sub prepare_random_map {	2310	sub prepare_random_map {
1855	my ($exit) = @_;	2311	my ($exit) = @_;
		2312
		2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		2314
1857	# all this does is basically replace the /! path by	2315	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	2316	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	2317	# that depends on the exit object
1860		2318
1861	my $rmp = parse_random_map_params $exit->msg;	2319	my $rmp = parse_random_map_params $exit->msg;
1862		2320
1863	if ($exit->map) {	2321	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2322	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2323	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2324	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2325	$rmp->{origin_y} = $exit->y;
1868	}	2326	}
1869		2327
1870	$rmp->{random_seed} ||= $exit->random_seed;	2328	$rmp->{random_seed} ||= $exit->random_seed;
1871		2329
1872	my $data = cf::to_json $rmp;	2330	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	2331	my $md5 = Digest::MD5::md5_hex $data;
		2332	my $meta = "$RANDOMDIR/$md5.meta";
1874		2333
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	2335	aio_write $fh, 0, (length $data), $data, 0;
		2336	undef $fh;
		2337	aio_rename "$meta~", $meta;
1877		2338
1878	$exit->slaying ("?random/$md5");	2339	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2340	$exit->msg (undef);
1880	}	2341	}
1881	}	2342	}
1882		2343
1883	sub cf::object::player::enter_exit {	2344	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2345	my ($self, $exit) = @_;
1885		2346
1886	return unless $self->type == cf::PLAYER;	2347	return unless $self->type == cf::PLAYER;
		2348
		2349	if ($exit->slaying eq "/!") {
		2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2351	# the problem is that $exit might not survive long enough
		2352	# so it needs to be done right now, right here
		2353	cf::sync_job { prepare_random_map $exit };
		2354	}
		2355
		2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2357	my $hp = $exit->stats->hp;
		2358	my $sp = $exit->stats->sp;
1887		2359
1888	$self->enter_link;	2360	$self->enter_link;
1889		2361
1890	(async {	2362	(async {
1891	$self->deactivate_recursive; # just to be sure	2363	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	2364	unless (eval {
1893	prepare_random_map $exit	2365	$self->goto ($slaying, $hp, $sp);
1894	if $exit->slaying eq "/!";
1895
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1898		2366
1899	1;	2367	1;
1900	}) {	2368	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2369	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "I'll try to bring you back to the map you were before. "	2370	. "I'll try to bring you back to the map you were before. "
1903	. "Please report this to the dungeon master!",	2371	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2372	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2373
1906	warn "ERROR in enter_exit: $@";	2374	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2375	$self->leave_link;
1908	}	2376	}
1909	})->prio (1);	2377	})->prio (1);
…		…
1922		2390
1923	sub cf::client::send_drawinfo {	2391	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2392	my ($self, $text, $flags) = @_;
1925		2393
1926	utf8::encode $text;	2394	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2396	}
1929		2397
		2398	=item $client->send_msg ($color, $type, $msg, [extra...])
		2399
		2400	Send a drawinfo or msg packet to the client, formatting the msg for the
		2401	client if neccessary. C<$type> should be a string identifying the type of
		2402	the message, with C<log> being the default. If C<$color> is negative, suppress
		2403	the message unless the client supports the msg packet.
		2404
		2405	=cut
		2406
		2407	sub cf::client::send_msg {
		2408	my ($self, $color, $type, $msg, @extra) = @_;
		2409
		2410	$msg = $self->pl->expand_cfpod ($msg);
		2411
		2412	return unless @extra || length $msg;
		2413
		2414	if ($self->can_msg) {
		2415	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2416	} else {
		2417	# replace some tags by gcfclient-compatible ones
		2418	for ($msg) {
		2419	1 while
		2420	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2421	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2422	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2423	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2424	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2425	}
		2426
		2427	if ($color >= 0) {
		2428	if (0 && $msg =~ /\[/) {
		2429	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2430	} else {
		2431	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2432	$self->send_packet ("drawinfo $color $msg")
		2433	}
		2434	}
		2435	}
		2436	}
		2437
		2438	=item $client->ext_event ($type, %msg)
		2439
		2440	Sends an ext event to the client.
		2441
		2442	=cut
		2443
		2444	sub cf::client::ext_event($$%) {
		2445	my ($self, $type, %msg) = @_;
		2446
		2447	$msg{msgtype} = "event_$type";
		2448	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2449	}
1930		2450
1931	=item $success = $client->query ($flags, "text", \&cb)	2451	=item $success = $client->query ($flags, "text", \&cb)
1932		2452
1933	Queues a query to the client, calling the given callback with	2453	Queues a query to the client, calling the given callback with
1934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2454	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2455	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1936		2456
1937	Queries can fail, so check the return code. Or don't, as queries will become	2457	Queries can fail, so check the return code. Or don't, as queries will
1938	reliable at some point in the future.	2458	become reliable at some point in the future.
1939		2459
1940	=cut	2460	=cut
1941		2461
1942	sub cf::client::query {	2462	sub cf::client::query {
1943	my ($self, $flags, $text, $cb) = @_;	2463	my ($self, $flags, $text, $cb) = @_;
…		…
1951	utf8::encode $text;	2471	utf8::encode $text;
1952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2472	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1953		2473
1954	$self->send_packet ($self->{query_queue}[0][0])	2474	$self->send_packet ($self->{query_queue}[0][0])
1955	if @{ $self->{query_queue} } == 1;	2475	if @{ $self->{query_queue} } == 1;
		2476
		2477	1
1956	}	2478	}
1957		2479
1958	cf::client->attach (	2480	cf::client->attach (
		2481	on_connect => sub {
		2482	my ($ns) = @_;
		2483
		2484	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2485	},
1959	on_reply => sub {	2486	on_reply => sub {
1960	my ($ns, $msg) = @_;	2487	my ($ns, $msg) = @_;
1961		2488
1962	# this weird shuffling is so that direct followup queries	2489	# this weird shuffling is so that direct followup queries
1963	# get handled first	2490	# get handled first
1964	my $queue = delete $ns->{query_queue}	2491	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2492	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2493
1967	(shift @$queue)->[1]->($msg);	2494	(shift @$queue)->[1]->($msg);
		2495	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2496
1969	push @{ $ns->{query_queue} }, @$queue;	2497	push @{ $ns->{query_queue} }, @$queue;
1970		2498
1971	if (@{ $ns->{query_queue} } == @$queue) {	2499	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2500	if (@$queue) {
…		…
1974	} else {	2502	} else {
1975	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2503	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1976	}	2504	}
1977	}	2505	}
1978	},	2506	},
		2507	on_exticmd => sub {
		2508	my ($ns, $buf) = @_;
		2509
		2510	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2511
		2512	if (ref $msg) {
		2513	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2514	if (my %reply = $cb->($ns, $msg)) {
		2515	$reply{msgid} = $msg->{msgid};
		2516	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2517	}
		2518	}
		2519	} else {
		2520	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2521	}
		2522
		2523	cf::override;
		2524	},
1979	);	2525	);
1980		2526
1981	=item $client->async (\&cb)	2527	=item $client->async (\&cb)
1982		2528
1983	Create a new coroutine, running the specified callback. The coroutine will	2529	Create a new coroutine, running the specified callback. The coroutine will
…		…
2030		2576
2031	# here we export the classes and methods available to script code	2577	# here we export the classes and methods available to script code
2032		2578
2033	=pod	2579	=pod
2034		2580
2035	The following fucntions and emthods are available within a safe environment:	2581	The following functions and methods are available within a safe environment:
2036		2582
2037	cf::object contr pay_amount pay_player map	2583	cf::object contr pay_amount pay_player map
2038	cf::object::player player	2584	cf::object::player player
2039	cf::player peaceful	2585	cf::player peaceful
2040	cf::map trigger	2586	cf::map trigger
…		…
2121	=back	2667	=back
2122		2668
2123	=cut	2669	=cut
2124		2670
2125	#############################################################################	2671	#############################################################################
		2672	# the server's init and main functions
2126		2673
2127	=head2 EXTENSION DATABASE SUPPORT	2674	sub load_facedata($) {
		2675	my ($path) = @_;
2128		2676
2129	Crossfire maintains a very simple database for extension use. It can	2677	warn "loading facedata from $path\n";
2130	currently store anything that can be serialised using Storable, which
2131	excludes objects.
2132		2678
2133	The parameter C<$family> should best start with the name of the extension	2679	my $facedata;
2134	using it, it should be unique.	2680	0 < aio_load $path, $facedata
		2681	or die "$path: $!";
2135		2682
2136	=over 4	2683	$facedata = Coro::Storable::thaw $facedata;
2137		2684
2138	=item $hashref = cf::db_get $family	2685	$facedata->{version} == 2
		2686	or cf::cleanup "$path: version mismatch, cannot proceed.";
2139		2687
2140	Return a hashref for use by the extension C<$family>, which can be
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143
2144	=item $value = cf::db_get $family => $key
2145
2146	Returns a single value from the database
2147
2148	=item cf::db_put $family => $hashref
2149
2150	Stores the given family hashref into the database. Updates are delayed, if
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_put $family => $key => $value
2154
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165
2166	=cut
2167
2168	our $DB;
2169
2170	{
2171	my $path = cf::localdir . "/database.pst";
2172
2173	sub db_load() {
2174	$DB = stat $path ? Storable::retrieve $path : { };
2175	}	2688	{
		2689	my $faces = $facedata->{faceinfo};
2176		2690
2177	my $pid;	2691	while (my ($face, $info) = each %$faces) {
2178		2692	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	sub db_save() {	2693	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2180	waitpid $pid, 0 if $pid;	2694	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2181	if (0 == ($pid = fork)) {	2695	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2182	$DB->{_meta}{version} = 1;	2696	Coro::cede;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});
2199
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}
2204
2205	sub db_get($;$) {
2206	@_ >= 2
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210
2211	sub db_put($$;$) {
2212	if (@_ >= 3) {
2213	$DB->{$_[0]}{$_[1]} = $_[2];
2214	} else {
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219
2220	cf::global->attach (
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	2697	}
2225	);
2226	}
2227		2698
2228	#############################################################################	2699	while (my ($face, $info) = each %$faces) {
2229	# the server's main()	2700	next unless $info->{smooth};
		2701	my $idx = cf::face::find $face
		2702	or next;
		2703	if (my $smooth = cf::face::find $info->{smooth}) {
		2704	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2705	} else {
		2706	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2707	}
		2708	Coro::cede;
		2709	}
		2710	}
		2711
		2712	{
		2713	my $anims = $facedata->{animinfo};
		2714
		2715	while (my ($anim, $info) = each %$anims) {
		2716	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2717	Coro::cede;
		2718	}
		2719
		2720	cf::anim::invalidate_all; # d'oh
		2721	}
		2722
		2723	1
		2724	}
		2725
		2726	sub reload_regions {
		2727	load_resource_file "$MAPDIR/regions"
		2728	or die "unable to load regions file\n";
		2729	}
		2730
		2731	sub reload_facedata {
		2732	load_facedata "$DATADIR/facedata"
		2733	or die "unable to load facedata\n";
		2734	}
		2735
		2736	sub reload_archetypes {
		2737	load_resource_file "$DATADIR/archetypes"
		2738	or die "unable to load archetypes\n";
		2739	#d# NEED to laod twice to resolve forward references
		2740	# this really needs to be done in an extra post-pass
		2741	# (which needs to be synchronous, so solve it differently)
		2742	load_resource_file "$DATADIR/archetypes"
		2743	or die "unable to load archetypes\n";
		2744	}
		2745
		2746	sub reload_treasures {
		2747	load_resource_file "$DATADIR/treasures"
		2748	or die "unable to load treasurelists\n";
		2749	}
		2750
		2751	sub reload_resources {
		2752	warn "reloading resource files...\n";
		2753
		2754	reload_regions;
		2755	reload_facedata;
		2756	#reload_archetypes;#d#
		2757	reload_archetypes;
		2758	reload_treasures;
		2759
		2760	warn "finished reloading resource files\n";
		2761	}
		2762
		2763	sub init {
		2764	reload_resources;
		2765	}
2230		2766
2231	sub cfg_load {	2767	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	2768	open my $fh, "<:utf8", "$CONFDIR/config"
2233	or return;	2769	or return;
2234		2770
2235	local $/;	2771	local $/;
2236	*CFG = YAML::Syck::Load <$fh>;	2772	*CFG = YAML::Syck::Load <$fh>;
2237		2773
…		…
2251		2787
2252	sub main {	2788	sub main {
2253	# we must not ever block the main coroutine	2789	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	2790	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2791	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2792	(async {
2256	async { Event::one_event };	2793	Event::one_event;
		2794	})->prio (Coro::PRIO_MAX);
2257	};	2795	};
2258		2796
2259	cfg_load;	2797	cfg_load;
2260	db_load;	2798	db_init;
2261	load_extensions;	2799	load_extensions;
		2800
		2801	$TICK_WATCHER->start;
2262	Event::loop;	2802	Event::loop;
2263	}	2803	}
2264		2804
2265	#############################################################################	2805	#############################################################################
2266	# initialisation and cleanup	2806	# initialisation and cleanup
2267		2807
2268	# install some emergency cleanup handlers	2808	# install some emergency cleanup handlers
2269	BEGIN {	2809	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	2810	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	2811	Event->signal (
		2812	reentrant => 0,
2272	data => WF_AUTOCANCEL,	2813	data => WF_AUTOCANCEL,
2273	signal => $signal,	2814	signal => $signal,
		2815	prio => 0,
2274	cb => sub {	2816	cb => sub {
2275	cf::cleanup "SIG$signal";	2817	cf::cleanup "SIG$signal";
2276	},	2818	},
2277	);	2819	);
2278	}	2820	}
2279	}	2821	}
2280		2822
		2823	sub write_runtime {
		2824	my $runtime = "$LOCALDIR/runtime";
		2825
		2826	# first touch the runtime file to show we are still running:
		2827	# the fsync below can take a very very long time.
		2828
		2829	IO::AIO::aio_utime $runtime, undef, undef;
		2830
		2831	my $guard = cf::lock_acquire "write_runtime";
		2832
		2833	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2834	or return;
		2835
		2836	my $value = $cf::RUNTIME + 90 + 10;
		2837	# 10 is the runtime save interval, for a monotonic clock
		2838	# 60 allows for the watchdog to kill the server.
		2839
		2840	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2841	and return;
		2842
		2843	# always fsync - this file is important
		2844	aio_fsync $fh
		2845	and return;
		2846
		2847	# touch it again to show we are up-to-date
		2848	aio_utime $fh, undef, undef;
		2849
		2850	close $fh
		2851	or return;
		2852
		2853	aio_rename "$runtime~", $runtime
		2854	and return;
		2855
		2856	warn "runtime file written.\n";
		2857
		2858	1
		2859	}
		2860
2281	sub emergency_save() {	2861	sub emergency_save() {
2282	my $freeze_guard = cf::freeze_mainloop;	2862	my $freeze_guard = cf::freeze_mainloop;
2283		2863
2284	warn "enter emergency perl save\n";	2864	warn "enter emergency perl save\n";
2285		2865
2286	cf::sync_job {	2866	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	2867	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	2868	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	2869	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	2870	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	2871	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	2872	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	2873	$pl->valid or next;
2294	$pl->save;	2874	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	2880	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	2881	$map->valid or next;
2302	$map->save;	2882	$map->save;
2303	}	2883	}
2304	warn "end emergency map save\n";	2884	warn "end emergency map save\n";
		2885
		2886	warn "begin emergency database checkpoint\n";
		2887	BDB::db_env_txn_checkpoint $DB_ENV;
		2888	warn "end emergency database checkpoint\n";
2305	};	2889	};
2306		2890
2307	warn "leave emergency perl save\n";	2891	warn "leave emergency perl save\n";
2308	}	2892	}
2309		2893
		2894	sub post_cleanup {
		2895	my ($make_core) = @_;
		2896
		2897	warn Carp::longmess "post_cleanup backtrace"
		2898	if $make_core;
		2899	}
		2900
2310	sub reload() {	2901	sub do_reload_perl() {
2311	# can/must only be called in main	2902	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	2903	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	2904	warn "can only reload from main coroutine";
2314	return;	2905	return;
2315	}	2906	}
2316		2907
2317	warn "reloading...";	2908	warn "reloading...";
2318		2909
2319	warn "freezing server";	2910	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	2911
		2912	cf::sync_job {
		2913	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2914	cf::emergency_save;
		2915	cf::write_runtime; # external watchdog should not bark
2322		2916
2323	warn "sync database to disk";	2917	warn "syncing database to disk";
2324	cf::db_sync;	2918	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		2919
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	2920	# if anything goes wrong in here, we should simply crash as we already saved
2329		2921
2330	warn "cancel all watchers";	2922	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	2923	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	2924	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	2925	}
2334		2926
		2927	warn "flushing outstanding aio requests";
		2928	for (;;) {
		2929	BDB::flush;
		2930	IO::AIO::flush;
		2931	Coro::cede;
		2932	last unless IO::AIO::nreqs || BDB::nreqs;
		2933	warn "iterate...";
		2934	}
		2935
		2936	++$RELOAD;
		2937
2335	warn "cancel all extension coros";	2938	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	2939	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	2940	%EXT_CORO = ();
2338		2941
2339	warn "remove commands";	2942	warn "removing commands";
2340	%COMMAND = ();	2943	%COMMAND = ();
2341		2944
2342	warn "remove ext commands";	2945	warn "removing ext/exti commands";
2343	%EXTCMD = ();	2946	%EXTCMD = ();
		2947	%EXTICMD = ();
2344		2948
2345	warn "unload/nuke all extensions";	2949	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	2950	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	2951	warn "... unloading $pkg";
2348		2952
2349	if (my $cb = $pkg->can ("unload")) {	2953	if (my $cb = $pkg->can ("unload")) {
2350	eval {	2954	eval {
…		…
2355		2959
2356	warn "... nuking $pkg";	2960	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	2961	Symbol::delete_package $pkg;
2358	}	2962	}
2359		2963
2360	warn "unload all perl modules loaded from $LIBDIR";	2964	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	2965	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2966	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		2967
2364	warn "removing <$k>";	2968	warn "... unloading $k";
2365	delete $INC{$k};	2969	delete $INC{$k};
2366		2970
2367	$k =~ s/\.pm$//;	2971	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	2972	$k =~ s/\//::/g;
2369		2973
…		…
2372	}	2976	}
2373		2977
2374	Symbol::delete_package $k;	2978	Symbol::delete_package $k;
2375	}	2979	}
2376		2980
2377	warn "get rid of safe::, as good as possible";	2981	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	2982	Symbol::delete_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2983	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		2984
2381	warn "unload cf.pm \"a bit\"";	2985	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	2986	delete $INC{"cf.pm"};
		2987	delete $INC{"cf/pod.pm"};
2383		2988
2384	# don't, removes xs symbols, too,	2989	# don't, removes xs symbols, too,
2385	# and global variables created in xs	2990	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	2991	#Symbol::delete_package __PACKAGE__;
2387		2992
		2993	warn "unload completed, starting to reload now";
		2994
2388	warn "reloading cf.pm";	2995	warn "reloading cf.pm";
2389	require cf;	2996	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2997	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		2998
2392	warn "load config and database again";	2999	warn "loading config and database again";
2393	cf::cfg_load;	3000	cf::cfg_load;
2394	cf::db_load;
2395		3001
2396	warn "load extensions";	3002	warn "loading extensions";
2397	cf::load_extensions;	3003	cf::load_extensions;
2398		3004
2399	warn "reattach attachments to objects/players";	3005	warn "reattaching attachments to objects/players";
2400	_global_reattach;	3006	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	3007	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	3008	reattach $_ for values %MAP;
2403	};	3009	warn "reattaching attachments to players";
		3010	reattach $_ for values %PLAYER;
2404		3011
2405	if ($@) {	3012	warn "leaving sync_job";
		3013
		3014	1
		3015	} or do {
2406	warn $@;	3016	warn $@;
2407	warn "error while reloading, exiting.";	3017	warn "error while reloading, exiting.";
2408	exit 1;	3018	exit 1;
2409	}	3019	};
2410		3020
2411	warn "reloaded";	3021	warn "reloaded";
2412	};	3022	};
2413		3023
2414	#############################################################################	3024	our $RELOAD_WATCHER; # used only during reload
2415		3025
2416	unless ($LINK_MAP) {	3026	sub reload_perl() {
2417	$LINK_MAP = cf::map::new;	3027	# doing reload synchronously and two reloads happen back-to-back,
		3028	# coro crashes during coro_state_free->destroy here.
2418		3029
2419	$LINK_MAP->width (41);	3030	$RELOAD_WATCHER ||= Event->timer (
2420	$LINK_MAP->height (41);	3031	reentrant => 0,
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,	3032	after => 0,
		3033	data => WF_AUTOCANCEL,
2429	cb => sub {	3034	cb => sub {
2430	$_[0]->w->cancel;	3035	do_reload_perl;
2431		3036	undef $RELOAD_WATCHER;
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});	3037	},
2450		3038	);
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	3039	}
2456		3040
2457	register_command "reload" => sub {	3041	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3042	my ($who, $arg) = @_;
2459		3043
2460	if ($who->flag (FLAG_WIZ)) {	3044	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	3045	$who->message ("reloading server.");
		3046	async { reload_perl };
2464	}	3047	}
2465	};	3048	};
2466		3049
2467	unshift @INC, $LIBDIR;	3050	unshift @INC, $LIBDIR;
2468		3051
		3052	my $bug_warning = 0;
		3053
		3054	our @WAIT_FOR_TICK;
		3055	our @WAIT_FOR_TICK_BEGIN;
		3056
		3057	sub wait_for_tick {
		3058	return unless $TICK_WATCHER->is_active;
		3059	return if $Coro::current == $Coro::main;
		3060
		3061	my $signal = new Coro::Signal;
		3062	push @WAIT_FOR_TICK, $signal;
		3063	$signal->wait;
		3064	}
		3065
		3066	sub wait_for_tick_begin {
		3067	return unless $TICK_WATCHER->is_active;
		3068	return if $Coro::current == $Coro::main;
		3069
		3070	my $signal = new Coro::Signal;
		3071	push @WAIT_FOR_TICK_BEGIN, $signal;
		3072	$signal->wait;
		3073	}
		3074
		3075	my $min = 1e6;#d#
		3076	my $avg = 10;
2469	$TICK_WATCHER = Event->timer (	3077	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	3078	reentrant => 0,
		3079	parked => 1,
2471	prio => 0,	3080	prio => 0,
2472	at => $NEXT_TICK || $TICK,	3081	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	3082	data => WF_AUTOCANCEL,
2474	cb => sub {	3083	cb => sub {
		3084	if ($Coro::current != $Coro::main) {
		3085	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3086	unless ++$bug_warning > 10;
		3087	return;
		3088	}
		3089
2475	$NOW = Event::time;	3090	$NOW = $tick_start = Event::time;
2476		3091
2477	cf::server_tick; # one server iteration	3092	cf::server_tick; # one server iteration
		3093
		3094	0 && sync_job {#d#
		3095	for(1..10) {
		3096	my $t = Event::time;
		3097	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3098	or die;
		3099
		3100	$map->width (50);
		3101	$map->height (50);
		3102	$map->alloc;
		3103	$map->_load_objects ("/tmp/x.map", 1);
		3104	my $t = Event::time - $t;
		3105
		3106	#next unless $t < 0.0013;#d#
		3107	if ($t < $min) {
		3108	$min = $t;
		3109	}
		3110	$avg = $avg * 0.99 + $t * 0.01;
		3111	}
		3112	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3113	exit 0;
		3114	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3115	};
		3116
2478	$RUNTIME += $TICK;	3117	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	3118	$NEXT_TICK += $TICK;
2480		3119
2481	$WAIT_FOR_TICK->broadcast;	3120	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3121	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3122	Coro::async_pool {
		3123	write_runtime
		3124	or warn "ERROR: unable to write runtime file: $!";
		3125	};
		3126	}
		3127
		3128	# my $AFTER = Event::time;
		3129	# warn $AFTER - $NOW;#d#
		3130
		3131	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3132	$sig->send;
		3133	}
		3134	while (my $sig = shift @WAIT_FOR_TICK) {
		3135	$sig->send;
		3136	}
		3137
		3138	$NOW = Event::time;
2483		3139
2484	# if we are delayed by four ticks or more, skip them all	3140	# if we are delayed by four ticks or more, skip them all
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3141	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2486		3142
2487	$TICK_WATCHER->at ($NEXT_TICK);	3143	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	3144	$TICK_WATCHER->start;
		3145
		3146	$LOAD = ($NOW - $tick_start) / $TICK;
		3147	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3148
		3149	_post_tick;
		3150
		3151
2489	},	3152	},
2490	);	3153	);
2491		3154
		3155	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	3156	BDB::max_poll_time $TICK * 0.1;
2493		3157	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	3158	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	3159	fd => BDB::poll_fileno,
2496	poll => 'r',	3160	poll => 'r',
2497	prio => 5,	3161	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	3162	data => WF_AUTOCANCEL,
2504	after => 0,	3163	cb => \&BDB::poll_cb,
2505	interval => 10,	3164	);
2506	cb => sub {	3165	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	3166
2508	write_runtime	3167	BDB::set_sync_prepare {
2509	or warn "ERROR: unable to write runtime file: $!";	3168	my $status;
		3169	my $current = $Coro::current;
		3170	(
		3171	sub {
		3172	$status = $!;
		3173	$current->ready; undef $current;
		3174	},
		3175	sub {
		3176	Coro::schedule while defined $current;
		3177	$! = $status;
		3178	},
		3179	)
		3180	};
		3181
		3182	unless ($DB_ENV) {
		3183	$DB_ENV = BDB::db_env_create;
		3184
		3185	cf::sync_job {
		3186	eval {
		3187	BDB::db_env_open
		3188	$DB_ENV,
		3189	$BDBDIR,
		3190	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3191	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3192	0666;
		3193
		3194	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3195
		3196	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3197	$DB_ENV->set_lk_detect;
		3198	};
		3199
		3200	cf::cleanup "db_env_open(db): $@" if $@;
2510	})->();	3201	};
2511	},	3202	}
2512	);	3203	}
		3204
		3205	{
		3206	IO::AIO::min_parallel 8;
		3207
		3208	undef $Coro::AIO::WATCHER;
		3209	IO::AIO::max_poll_time $TICK * 0.1;
		3210	$AIO_POLL_WATCHER = Event->io (
		3211	reentrant => 0,
		3212	data => WF_AUTOCANCEL,
		3213	fd => IO::AIO::poll_fileno,
		3214	poll => 'r',
		3215	prio => 6,
		3216	cb => \&IO::AIO::poll_cb,
		3217	);
		3218	}
		3219
		3220	my $_log_backtrace;
		3221
		3222	sub _log_backtrace {
		3223	my ($msg, @addr) = @_;
		3224
		3225	$msg =~ s/\n//;
		3226
		3227	# limit the # of concurrent backtraces
		3228	if ($_log_backtrace < 2) {
		3229	++$_log_backtrace;
		3230	async {
		3231	my @bt = fork_call {
		3232	@addr = map { sprintf "%x", $_ } @addr;
		3233	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3234	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3235	or die "addr2line: $!";
		3236
		3237	my @funcs;
		3238	my @res = <$fh>;
		3239	chomp for @res;
		3240	while (@res) {
		3241	my ($func, $line) = splice @res, 0, 2, ();
		3242	push @funcs, "[$func] $line";
		3243	}
		3244
		3245	@funcs
		3246	};
		3247
		3248	LOG llevInfo, "[ABT] $msg\n";
		3249	LOG llevInfo, "[ABT] $_\n" for @bt;
		3250	--$_log_backtrace;
		3251	};
		3252	} else {
		3253	LOG llevInfo, "[ABT] $msg\n";
		3254	LOG llevInfo, "[ABT] [suppressed]\n";
		3255	}
		3256	}
		3257
		3258	# load additional modules
		3259	use cf::pod;
2513		3260
2514	END { cf::emergency_save }	3261	END { cf::emergency_save }
2515		3262
2516	1	3263	1
2517		3264

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