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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 2007 UTC vs.
Revision 1.289 by root, Sat Jun 30 03:00:54 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->convert_blessed->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
213	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
215		257
216	=item cf::lock_wait $string	258	=item cf::lock_wait $string
217		259
218	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
219		261
…		…
225	returned.	267	returned.
226		268
227	Lock names should begin with a unique identifier (for example, cf::map::find	269	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
229		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
230	=cut	276	=cut
231		277
232	our %LOCK;	278	our %LOCK;
233		279
234	sub lock_wait($) {	280	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
255	}	301	}
256	}	302	}
257		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
258	sub freeze_mainloop {	310	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
260		312
261	my $guard = Coro::guard { $TICK_WATCHER->start };	313	my $guard = Coro::guard {
		314	$TICK_WATCHER->start;
		315	};
262	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
263	$guard	317	$guard
264	}	318	}
265		319
266	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
273		327
274	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
275		329
276	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
277		331
278	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
281		336
282	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
285	fast or be very important.	340	fast or be very important.
…		…
288		343
289	sub sync_job(&) {	344	sub sync_job(&) {
290	my ($job) = @_;	345	my ($job) = @_;
291		346
292	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
293	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
295		352
296	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
308		365
309	while ($busy) {	366	while ($busy) {
310	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
311	}	368	}
312		369
		370	$time = Event::time - $time;
		371
		372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		374
		375	$tick_start += $time; # do not account sync jobs to server load
		376
313	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
314	} else {	378	} else {
315	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
316		380
317	$job->()	381	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
337		401
338	$coro	402	$coro
339	}	403	}
340		404
341	sub write_runtime {	405	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		406
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
345	or return;	408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
346		411
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	412	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		413
351	aio_fsync $fh	414	sub fork_call(&@) {
352	and return;	415	my ($cb, @args) = @_;
353		416
		417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
		421
		422	if (my $pid = fork) {
354	close $fh	423	close $fh2;
355	or return;
356		424
357	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
358	and return;	426	$res = Coro::Storable::thaw $res;
359		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
360	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		480	my $key = "$_[0]/$_[1]";
		481
		482	cf::sync_job {
		483	BDB::db_get $DB, undef, $key, my $data;
		484
		485	$! ? ()
		486	: $data
		487	}
		488	}
		489
		490	sub db_put($$$) {
		491	BDB::dbreq_pri 4;
		492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		493	}
		494
		495	=item cf::cache $id => [$paths...], $processversion => $process
		496
		497	Generic caching function that returns the value of the resource $id,
		498	caching and regenerating as required.
		499
		500	This function can block.
		501
		502	=cut
		503
		504	sub cache {
		505	my ($id, $src, $processversion, $process) = @_;
		506
		507	my $meta =
		508	join "\x00",
		509	$processversion,
		510	map {
		511	aio_stat $_
		512	and Carp::croak "$_: $!";
		513
		514	($_, (stat _)[7,9])
		515	} @$src;
		516
		517	my $dbmeta = db_get cache => "$id/meta";
		518	if ($dbmeta ne $meta) {
		519	# changed, we may need to process
		520
		521	my @data;
		522	my $md5;
		523
		524	for (0 .. $#$src) {
		525	0 <= aio_load $src->[$_], $data[$_]
		526	or Carp::croak "$src->[$_]: $!";
		527	}
		528
		529	# if processing is expensive, check
		530	# checksum first
		531	if (1) {
		532	$md5 =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	Coro::cede;
		537	($src->[$_], Digest::MD5::md5_hex $data[$_])
		538	} 0.. $#$src;
		539
		540
		541	my $dbmd5 = db_get cache => "$id/md5";
		542	if ($dbmd5 eq $md5) {
		543	db_put cache => "$id/meta", $meta;
		544
		545	return db_get cache => "$id/data";
		546	}
		547	}
		548
		549	my $t1 = Time::HiRes::time;
		550	my $data = $process->(\@data);
		551	my $t2 = Time::HiRes::time;
		552
		553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		554
		555	db_put cache => "$id/data", $data;
		556	db_put cache => "$id/md5" , $md5;
		557	db_put cache => "$id/meta", $meta;
		558
		559	return $data;
		560	}
		561
		562	db_get cache => "$id/data"
		563	}
		564
		565	=item cf::datalog type => key => value, ...
		566
		567	Log a datalog packet of the given type with the given key-value pairs.
		568
		569	=cut
		570
		571	sub datalog($@) {
		572	my ($type, %kv) = @_;
		573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	574	}
362		575
363	=back	576	=back
364		577
365	=cut	578	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522		579
523	#############################################################################	580	#############################################################################
524		581
525	=head2 ATTACHABLE OBJECTS	582	=head2 ATTACHABLE OBJECTS
526		583
…		…
528	attach callbacks/event handlers (a collection of which is called an "attachment")	585	attach callbacks/event handlers (a collection of which is called an "attachment")
529	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
530		587
531	In the following description, CLASS can be any of C<global>, C<object>	588	In the following description, CLASS can be any of C<global>, C<object>
532	C<player>, C<client> or C<map> (i.e. the attachable objects in	589	C<player>, C<client> or C<map> (i.e. the attachable objects in
533	crossfire+).	590	Crossfire TRT).
534		591
535	=over 4	592	=over 4
536		593
537	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
538		595
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	709	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	710	our @CB_MAP = ();
654		711
655	my %attachment;	712	my %attachment;
656		713
		714	sub cf::attachable::thawer_merge {
		715	# simply override everything except _meta
		716	local $_[0]{_meta};
		717	%{$_[0]} = %{$_[1]};
		718	}
		719
657	sub _attach_cb($$$$) {	720	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	721	my ($registry, $event, $prio, $cb) = @_;
659		722
660	use sort 'stable';	723	use sort 'stable';
661		724
…		…
695	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
696		759
697	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
698	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
699	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
700	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701		764
702	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
703	my $pkg = shift @arg;	766	my $pkg = shift @arg;
704		767
705	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
734	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
735	}	798	}
736		799
737	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
738	} else {	801	} else {
739	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
740	}	803	}
741		804
742	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
743	}	806	}
744		807
…		…
746	if (ref $_[0]) {	809	if (ref $_[0]) {
747	_object_attach @_;	810	_object_attach @_;
748	} else {	811	} else {
749	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
750	}	813	}
		814	_recalc_want;
751	};	815	};
752		816
753	# all those should be optimised	817	# all those should be optimised
754	sub cf::attachable::detach {	818	sub cf::attachable::detach {
755	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
758	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
759	reattach ($obj);	823	reattach ($obj);
760	} else {	824	} else {
761	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
762	}	826	}
		827	_recalc_want;
763	};	828	};
764		829
765	sub cf::attachable::attached {	830	sub cf::attachable::attached {
766	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
767		832
…		…
832	# object support	897	# object support
833		898
834	sub reattach {	899	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	900	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	901	my ($obj) = @_;
		902
		903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		904
838	my $registry = $obj->registry;	905	my $registry = $obj->registry;
839		906
840	@$registry = ();	907	@$registry = ();
841		908
…		…
888	$filename, length $$rdata, scalar @$objs;	955	$filename, length $$rdata, scalar @$objs;
889		956
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893	aio_fsync $fh;	960	aio_fsync $fh if $cf::USE_FSYNC;
894	close $fh;	961	close $fh;
895		962
896	if (@$objs) {	963	if (@$objs) {
897	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898	chmod SAVE_MODE, $fh;	965	chmod SAVE_MODE, $fh;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	966	my $data = Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	967	aio_write $fh, 0, (length $data), $data, 0;
901	aio_fsync $fh;	968	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	969	close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	970	aio_rename "$filename.pst~", "$filename.pst";
904	}	971	}
905	} else {	972	} else {
906	aio_unlink "$filename.pst";	973	aio_unlink "$filename.pst";
…		…
938	or return;	1005	or return;
939	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
940	}	1007	}
941		1008
942	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
943	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
944	return ($data, $av);	1011	return ($data, $av);
945	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
946		1019
947	#############################################################################	1020	#############################################################################
948	# command handling &c	1021	# command handling &c
949		1022
950	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
963	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
964	}	1037	}
965		1038
966	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
967		1040
968	Register a callbackf ro execution when the client sends an extcmd packet.	1041	Register a callback for execution when the client sends an (synchronous)
		1042	extcmd packet. Ext commands will be processed in the order they are
		1043	received by the server, like other user commands. The first argument is
		1044	the logged-in player. Ext commands can only be processed after a player
		1045	has logged in successfully.
969		1046
970	If the callback returns something, it is sent back as if reply was being	1047	If the callback returns something, it is sent back as if reply was being
971	called.	1048	called.
972		1049
		1050	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1051
		1052	Register a callback for execution when the client sends an (asynchronous)
		1053	exticmd packet. Exti commands are processed by the server as soon as they
		1054	are received, i.e. out of order w.r.t. other commands. The first argument
		1055	is a client socket. Exti commands can be received anytime, even before
		1056	log-in.
		1057
		1058	If the callback returns something, it is sent back as if reply was being
		1059	called.
		1060
973	=cut	1061	=cut
974		1062
975	sub register_extcmd {	1063	sub register_extcmd {
976	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
977		1065
978	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
979	}	1073	}
980		1074
981	cf::player->attach (	1075	cf::player->attach (
982	on_command => sub {	1076	on_command => sub {
983	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
1008		1102
1009	cf::override;	1103	cf::override;
1010	},	1104	},
1011	);	1105	);
1012		1106
1013	sub load_extension {
1014	my ($path) = @_;
1015
1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1017	my $base = $1;
1018	my $pkg = $1;
1019	$pkg =~ s/[^[:word:]]/_/g;
1020	$pkg = "ext::$pkg";
1021
1022	warn "... loading '$path' into '$pkg'\n";
1023
1024	open my $fh, "<:utf8", $path
1025	or die "$path: $!";
1026
1027	my $source =
1028	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })
1031	. "\n};\n1";
1032
1033	eval $source
1034	or die $@ ? "$path: $@\n"
1035	: "extension disabled.\n";
1036
1037	push @EXTS, $pkg;
1038	}
1039
1040	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
1041	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1112	next unless -r $path;
1043	eval {	1113
1044	load_extension $ext;	1114	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1115	my $base = $1;
		1116	my $pkg = $1;
		1117	$pkg =~ s/[^[:word:]]/_/g;
		1118	$pkg = "ext::$pkg";
		1119
		1120	open my $fh, "<:utf8", $path
		1121	or die "$path: $!";
		1122
		1123	my $source = do { local $/; <$fh> };
		1124
		1125	my %ext = (
		1126	path => $path,
		1127	base => $base,
		1128	pkg => $pkg,
		1129	);
		1130
		1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1133
		1134	$ext{source} =
		1135	"package $pkg; use strict; use utf8;\n"
		1136	. "#line 1 \"$path\"\n{\n"
		1137	. $source
		1138	. "\n};\n1";
		1139
		1140	$todo{$base} = \%ext;
		1141	}
		1142
		1143	my %done;
		1144	while (%todo) {
		1145	my $progress;
		1146
		1147	while (my ($k, $v) = each %todo) {
		1148	for (split /,\s*/, $v->{meta}{depends}) {
		1149	goto skip
		1150	unless exists $done{$_};
		1151	}
		1152
		1153	warn "... loading '$k' into '$v->{pkg}'\n";
		1154
		1155	unless (eval $v->{source}) {
		1156	my $msg = $@ ? "$v->{path}: $@\n"
		1157	: "$v->{base}: extension inactive.\n";
		1158
		1159	if (exists $v->{meta}{mandatory}) {
		1160	warn $msg;
		1161	warn "mandatory extension failed to load, exiting.\n";
		1162	exit 1;
		1163	}
		1164
		1165	warn $msg;
		1166	}
		1167
		1168	$done{$k} = delete $todo{$k};
		1169	push @EXTS, $v->{pkg};
		1170	$progress = 1;
1045	1	1171	}
1046	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
1047	}	1177	};
1048	}	1178	}
1049		1179
1050	#############################################################################	1180	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1181
1053	*cf::mapsupport::on_clean = sub {	1182	=back
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		1183
1066	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
1067		1185
1068	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
1069		1187
…		…
1082	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
1083		1201
1084	=cut	1202	=cut
1085		1203
1086	sub playerdir($) {	1204	sub playerdir($) {
1087	cf::localdir	1205	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1207	}
1093		1208
1094	sub path($) {	1209	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1211
1097	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
1098	}	1213	}
1099		1214
1100	sub find_active($) {	1215	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
1105		1220
1106	sub exists($) {	1221	sub exists($) {
1107	my ($login) = @_;	1222	my ($login) = @_;
1108		1223
1109	$cf::PLAYER{$login}	1224	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1225	or cf::sync_job { !aio_stat path $login }
1111	}	1226	}
1112		1227
1113	sub find($) {	1228	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1229	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1230	my $login = $_[0];
1116		1231
1117	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
1118		1233
1119	$cf::PLAYER{$_[0]} || do {	1234	$cf::PLAYER{$_[0]} || do {
		1235	# rename old playerfiles to new ones
		1236	#TODO: remove when no longer required
		1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1240	aio_unlink +(playerdir $login) . "/$login.pl";
		1241
1120	my $pl = load_pl path $login	1242	my $pl = load_pl path $login
1121	or return;	1243	or return;
1122	$cf::PLAYER{$login} = $pl	1244	$cf::PLAYER{$login} = $pl
1123	}	1245	}
1124	}	1246	}
…		…
1161		1283
1162	=cut	1284	=cut
1163		1285
1164	sub quit_character {	1286	sub quit_character {
1165	my ($pl) = @_;	1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
1166		1290
1167	$pl->{deny_save} = 1;	1291	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1292	$pl->password ("*"); # this should lock out the player until we nuked the dir
1169		1293
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1175	my $path = playerdir $pl;	1299	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1300	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1301	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1302	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1303	$pl->destroy;
		1304
		1305	my $prefix = qr<^~\Q$name\E/>;
		1306
		1307	# nuke player maps
		1308	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1309
1180	IO::AIO::aio_rmtree $temp;	1310	IO::AIO::aio_rmtree $temp;
		1311	}
		1312
		1313	=item $pl->kick
		1314
		1315	Kicks a player out of the game. This destroys the connection.
		1316
		1317	=cut
		1318
		1319	sub kick {
		1320	my ($pl, $kicker) = @_;
		1321
		1322	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1323	$pl->killer ("kicked");
		1324	$pl->ns->destroy;
1181	}	1325	}
1182		1326
1183	=item cf::player::list_logins	1327	=item cf::player::list_logins
1184		1328
1185	Returns am arrayref of all valid playernames in the system, can take a	1329	Returns am arrayref of all valid playernames in the system, can take a
1186	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1187		1331
1188	=cut	1332	=cut
1189		1333
1190	sub list_logins {	1334	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1336	or return [];
1193		1337
1194	my @logins;	1338	my @logins;
1195		1339
1196	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1205	\@logins	1349	\@logins
1206	}	1350	}
1207		1351
1208	=item $player->maps	1352	=item $player->maps
1209		1353
1210	Returns an arrayref of cf::path's of all maps that are private for this	1354	Returns an arrayref of map paths that are private for this
1211	player. May block.	1355	player. May block.
1212		1356
1213	=cut	1357	=cut
1214		1358
1215	sub maps($) {	1359	sub maps($) {
1216	my ($pl) = @_;	1360	my ($pl) = @_;
		1361
		1362	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1363
1218	my $files = aio_readdir playerdir $pl	1364	my $files = aio_readdir playerdir $pl
1219	or return;	1365	or return;
1220		1366
1221	my @paths;	1367	my @paths;
…		…
1223	for (@$files) {	1369	for (@$files) {
1224	utf8::decode $_;	1370	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1371	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1372	next unless /^$PATH_SEP/o;
1227		1373
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1374	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1375	}
1230		1376
1231	\@paths	1377	\@paths
1232	}	1378	}
1233		1379
		1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1381
		1382	Expand crossfire pod fragments into protocol xml.
		1383
		1384	=cut
		1385
		1386	sub expand_cfpod {
		1387	((my $self), (local $_)) = @_;
		1388
		1389	# escape & and <
		1390	s/&/&amp;/g;
		1391	s/(?<![BIUGH])</&lt;/g;
		1392
		1393	# this is buggy, it needs to properly take care of nested <'s
		1394
		1395	1 while
		1396	# replace B<>, I<>, U<> etc.
		1397	s/B<([^\>]*)>/<b>$1<\/b>/
		1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1400	# replace G<male|female> tags
		1401	|| s{G<([^>|]*)\|([^>]*)>}{
		1402	$self->gender ? $2 : $1
		1403	}ge
		1404	# replace H<hint text>
		1405	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1406
		1407	# create single paragraphs (very hackish)
		1408	s/(?<=\S)\n(?=\w)/ /g;
		1409
		1410	$_
		1411	}
		1412
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1413	=item $player->ext_reply ($msgid, %msg)
1235		1414
1236	Sends an ext reply to the player.	1415	Sends an ext reply to the player.
1237		1416
1238	=cut	1417	=cut
1239		1418
1240	sub ext_reply($$$%) {	1419	sub ext_reply($$%) {
1241	my ($self, $id, %msg) = @_;	1420	my ($self, $id, %msg) = @_;
1242		1421
1243	$msg{msgid} = $id;	1422	$msg{msgid} = $id;
1244
1245	$self->send ("ext " . cf::to_json \%msg);	1423	$self->send ("ext " . cf::to_json \%msg);
1246	}	1424	}
1247		1425
1248	package cf;	1426	=item $player->ext_event ($type, %msg)
		1427
		1428	Sends an ext event to the client.
		1429
		1430	=cut
		1431
		1432	sub ext_event($$%) {
		1433	my ($self, $type, %msg) = @_;
		1434
		1435	$self->ns->ext_event ($type, %msg);
		1436	}
		1437
		1438	=head3 cf::region
		1439
		1440	=over 4
		1441
		1442	=cut
		1443
		1444	package cf::region;
		1445
		1446	=item cf::region::find_by_path $path
		1447
		1448	Tries to decuce the likely region for a map knowing only its path.
		1449
		1450	=cut
		1451
		1452	sub find_by_path($) {
		1453	my ($path) = @_;
		1454
		1455	my ($match, $specificity);
		1456
		1457	for my $region (list) {
		1458	if ($region->match && $path =~ $region->match) {
		1459	($match, $specificity) = ($region, $region->specificity)
		1460	if $region->specificity > $specificity;
		1461	}
		1462	}
		1463
		1464	$match
		1465	}
1249		1466
1250	=back	1467	=back
1251
1252		1468
1253	=head3 cf::map	1469	=head3 cf::map
1254		1470
1255	=over 4	1471	=over 4
1256		1472
…		…
1259	package cf::map;	1475	package cf::map;
1260		1476
1261	use Fcntl;	1477	use Fcntl;
1262	use Coro::AIO;	1478	use Coro::AIO;
1263		1479
		1480	use overload
		1481	'""' => \&as_string,
		1482	fallback => 1;
		1483
1264	our $MAX_RESET = 3600;	1484	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1485	our $DEFAULT_RESET = 3000;
1266		1486
1267	sub generate_random_map {	1487	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1488	my ($self, $rmp) = @_;
1269
1270	# mit "rum" bekleckern, nicht	1489	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1490	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1491	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1492	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1493	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1494	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1495	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1500	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1501	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1502	)
1285	}	1503	}
1286		1504
		1505	=item cf::map->register ($regex, $prio)
		1506
		1507	Register a handler for the map path matching the given regex at the
		1508	givne priority (higher is better, built-in handlers have priority 0, the
		1509	default).
		1510
		1511	=cut
		1512
		1513	sub register {
		1514	my (undef, $regex, $prio) = @_;
		1515	my $pkg = caller;
		1516
		1517	no strict;
		1518	push @{"$pkg\::ISA"}, __PACKAGE__;
		1519
		1520	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1521	}
		1522
		1523	# also paths starting with '/'
		1524	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1525
		1526	sub thawer_merge {
		1527	my ($self, $merge) = @_;
		1528
		1529	# we have to keep some variables in memory intact
		1530	local $self->{path};
		1531	local $self->{load_path};
		1532
		1533	$self->SUPER::thawer_merge ($merge);
		1534	}
		1535
		1536	sub normalise {
		1537	my ($path, $base) = @_;
		1538
		1539	$path = "$path"; # make sure its a string
		1540
		1541	$path =~ s/\.map$//;
		1542
		1543	# map plan:
		1544	#
		1545	# /! non-realised random map exit (special hack!)
		1546	# {... are special paths that are not being touched
		1547	# ?xxx/... are special absolute paths
		1548	# ?random/... random maps
		1549	# /... normal maps
		1550	# ~user/... per-player map of a specific user
		1551
		1552	$path =~ s/$PATH_SEP/\//go;
		1553
		1554	# treat it as relative path if it starts with
		1555	# something that looks reasonable
		1556	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1557	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1558
		1559	$base =~ s{[^/]+/?$}{};
		1560	$path = "$base/$path";
		1561	}
		1562
		1563	for ($path) {
		1564	redo if s{//}{/};
		1565	redo if s{/\.?/}{/};
		1566	redo if s{/[^/]+/\.\./}{/};
		1567	}
		1568
		1569	$path
		1570	}
		1571
		1572	sub new_from_path {
		1573	my (undef, $path, $base) = @_;
		1574
		1575	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1576
		1577	$path = normalise $path, $base;
		1578
		1579	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1580	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1581	my $self = bless cf::map::new, $pkg;
		1582	$self->{path} = $path; $self->path ($path);
		1583	$self->init; # pass $1 etc.
		1584	return $self;
		1585	}
		1586	}
		1587
		1588	Carp::carp "unable to resolve path '$path' (base '$base').";
		1589	()
		1590	}
		1591
		1592	sub init {
		1593	my ($self) = @_;
		1594
		1595	$self
		1596	}
		1597
		1598	sub as_string {
		1599	my ($self) = @_;
		1600
		1601	"$self->{path}"
		1602	}
		1603
		1604	# the displayed name, this is a one way mapping
		1605	sub visible_name {
		1606	&as_string
		1607	}
		1608
		1609	# the original (read-only) location
		1610	sub load_path {
		1611	my ($self) = @_;
		1612
		1613	"$MAPDIR/$self->{path}.map"
		1614	}
		1615
		1616	# the temporary/swap location
		1617	sub save_path {
		1618	my ($self) = @_;
		1619
		1620	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1621	"$TMPDIR/$path.map"
		1622	}
		1623
		1624	# the unique path, undef == no special unique path
		1625	sub uniq_path {
		1626	my ($self) = @_;
		1627
		1628	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1629	"$UNIQUEDIR/$path"
		1630	}
		1631
1287	# and all this just because we cannot iterate over	1632	# and all this just because we cannot iterate over
1288	# all maps in C++...	1633	# all maps in C++...
1289	sub change_all_map_light {	1634	sub change_all_map_light {
1290	my ($change) = @_;	1635	my ($change) = @_;
1291		1636
1292	$_->change_map_light ($change)	1637	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1638	for grep $_->outdoor, values %cf::MAP;
1294	}	1639	}
1295		1640
		1641	sub decay_objects {
		1642	my ($self) = @_;
		1643
		1644	return if $self->{deny_reset};
		1645
		1646	$self->do_decay_objects;
		1647	}
		1648
		1649	sub unlink_save {
		1650	my ($self) = @_;
		1651
		1652	utf8::encode (my $save = $self->save_path);
		1653	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1654	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1655	}
		1656
1296	sub load_map_header($) {	1657	sub load_header_from($) {
1297	my ($path) = @_;	1658	my ($self, $path) = @_;
1298		1659
1299	utf8::encode $path;	1660	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1661	#aio_open $path, O_RDONLY, 0
		1662	# or return;
		1663
		1664	$self->_load_header ($path)
1301	or return;	1665	or return;
1302		1666
1303	my $map = cf::map::new	1667	$self->{load_path} = $path;
		1668
		1669	1
		1670	}
		1671
		1672	sub load_header_orig {
		1673	my ($self) = @_;
		1674
		1675	$self->load_header_from ($self->load_path)
		1676	}
		1677
		1678	sub load_header_temp {
		1679	my ($self) = @_;
		1680
		1681	$self->load_header_from ($self->save_path)
		1682	}
		1683
		1684	sub prepare_temp {
		1685	my ($self) = @_;
		1686
		1687	$self->last_access ((delete $self->{last_access})
		1688	|| $cf::RUNTIME); #d#
		1689	# safety
		1690	$self->{instantiate_time} = $cf::RUNTIME
		1691	if $self->{instantiate_time} > $cf::RUNTIME;
		1692	}
		1693
		1694	sub prepare_orig {
		1695	my ($self) = @_;
		1696
		1697	$self->{load_original} = 1;
		1698	$self->{instantiate_time} = $cf::RUNTIME;
		1699	$self->last_access ($cf::RUNTIME);
		1700	$self->instantiate;
		1701	}
		1702
		1703	sub load_header {
		1704	my ($self) = @_;
		1705
		1706	if ($self->load_header_temp) {
		1707	$self->prepare_temp;
		1708	} else {
		1709	$self->load_header_orig
1304	or return;	1710	or return;
		1711	$self->prepare_orig;
		1712	}
1305		1713
1306	# for better error messages only, will be overwritten later	1714	$self->{deny_reset} = 1
1307	$map->path ($path);	1715	if $self->no_reset;
1308		1716
1309	$map->load_header ($path)	1717	$self->default_region (cf::region::find_by_path $self->{path})
1310	or return;	1718	unless $self->default_region;
1311		1719
1312	$map->{load_path} = $path;	1720	1
1313
1314	$map
1315	}	1721	}
1316		1722
1317	sub find;	1723	sub find;
1318	sub find {	1724	sub find {
1319	my ($path, $origin) = @_;	1725	my ($path, $origin) = @_;
1320		1726
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1727	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1728
1326	cf::lock_wait "map_find:$key";	1729	cf::lock_wait "map_find:$path";
1327		1730
1328	$cf::MAP{$key} || do {	1731	$cf::MAP{$path} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1732	my $guard = cf::lock_acquire "map_find:$path";
1330		1733	my $map = new_from_path cf::map $path
1331	# do it the slow way
1332	my $map = $path->load_temp;
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	1734	or return;
1345		1735
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	1736	$map->{last_save} = $cf::RUNTIME;
1358		1737
1359	Coro::cede;	1738	$map->load_header
		1739	or return;
1360		1740
1361	if ($map->should_reset) {	1741	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1742	# doing this can freeze the server in a sync job, obviously
		1743	#$cf::WAIT_FOR_TICK->wait;
1362	$map->reset;	1744	$map->reset;
1363	undef $guard;	1745	undef $guard;
1364	$map = find $path	1746	return find $path;
1365	or return;
1366	}	1747	}
1367		1748
1368	$cf::MAP{$key} = $map	1749	$cf::MAP{$path} = $map
1369	}	1750	}
1370	}	1751	}
		1752
		1753	sub pre_load { }
		1754	sub post_load { }
1371		1755
1372	sub load {	1756	sub load {
1373	my ($self) = @_;	1757	my ($self) = @_;
1374		1758
		1759	local $self->{deny_reset} = 1; # loading can take a long time
		1760
1375	my $path = $self->{path};	1761	my $path = $self->{path};
		1762
		1763	{
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1764	my $guard = cf::lock_acquire "map_load:$path";
1377		1765
1378	return if $self->in_memory != cf::MAP_SWAPPED;	1766	return if $self->in_memory != cf::MAP_SWAPPED;
1379		1767
1380	$self->in_memory (cf::MAP_LOADING);	1768	$self->in_memory (cf::MAP_LOADING);
1381		1769
1382	$self->alloc;	1770	$self->alloc;
		1771
		1772	$self->pre_load;
		1773	Coro::cede;
		1774
1383	$self->load_objects ($self->{load_path}, 1)	1775	$self->_load_objects ($self->{load_path}, 1)
1384	or return;	1776	or return;
1385		1777
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1778	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387	if delete $self->{load_original};	1779	if delete $self->{load_original};
1388		1780
1389	if (my $uniq = $path->uniq_path) {	1781	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	1782	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	1783	if (aio_open $uniq, O_RDONLY, 0) {
1392	$self->clear_unique_items;	1784	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	1785	$self->_load_objects ($uniq, 0);
1394	}	1786	}
1395	}	1787	}
1396		1788
1397	Coro::cede;	1789	Coro::cede;
1398
1399	# now do the right thing for maps	1790	# now do the right thing for maps
1400	$self->link_multipart_objects;	1791	$self->link_multipart_objects;
1401
1402	if ($self->{path}->is_style_map) {
1403	$self->{deny_save} = 1;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;
1409	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	1792	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	1793	unless $self->difficulty;
		1794	Coro::cede;
		1795
		1796	unless ($self->{deny_activate}) {
		1797	$self->decay_objects;
		1798	$self->fix_auto_apply;
		1799	$self->update_buttons;
		1800	Coro::cede;
		1801	$self->set_darkness_map;
		1802	Coro::cede;
1412	$self->activate;	1803	$self->activate;
1413	}	1804	}
1414		1805
1415	Coro::cede;
1416
1417	$self->in_memory (cf::MAP_IN_MEMORY);	1806	$self->in_memory (cf::MAP_IN_MEMORY);
		1807	}
		1808
		1809	$self->post_load;
		1810	}
		1811
		1812	sub customise_for {
		1813	my ($self, $ob) = @_;
		1814
		1815	return find "~" . $ob->name . "/" . $self->{path}
		1816	if $self->per_player;
		1817
		1818	# return find "?party/" . $ob->name . "/" . $self->{path}
		1819	# if $self->per_party;
		1820
		1821	$self
1418	}	1822	}
1419		1823
1420	# find and load all maps in the 3x3 area around a map	1824	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	1825	sub load_diag {
1422	my ($map) = @_;	1826	my ($map) = @_;
…		…
1452		1856
1453	cf::sync_job { $map->load };	1857	cf::sync_job { $map->load };
1454	}	1858	}
1455		1859
1456	our %MAP_PREFETCH;	1860	our %MAP_PREFETCH;
1457	our $MAP_PREFETCHER = Coro::async {	1861	our $MAP_PREFETCHER = undef;
1458	while () {
1459	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH
1461	or next;
1462	my $path = delete $MAP_PREFETCH{$key};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}
1468	Coro::schedule;
1469	}
1470	};
1471		1862
1472	sub find_async {	1863	sub find_async {
1473	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1474		1865
1475	$path = new cf::path $path, $origin && $origin->path;	1866	$path = normalise $path, $origin && $origin->{path};
1476	my $key = $path->as_string;
1477		1867
1478	if (my $map = $cf::MAP{$key}) {	1868	if (my $map = $cf::MAP{$path}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1869	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}	1870	}
1481		1871
1482	$MAP_PREFETCH{$key} = $path;	1872	undef $MAP_PREFETCH{$path};
		1873	$MAP_PREFETCHER ||= cf::async {
		1874	while (%MAP_PREFETCH) {
		1875	for my $path (keys %MAP_PREFETCH) {
		1876	my $map = find $path
		1877	or next;
		1878	$map->load;
		1879
		1880	delete $MAP_PREFETCH{$path};
		1881	}
		1882	}
		1883	undef $MAP_PREFETCHER;
		1884	};
1483	$MAP_PREFETCHER->ready;	1885	$MAP_PREFETCHER->prio (6);
1484		1886
1485	()	1887	()
1486	}	1888	}
1487		1889
1488	sub save {	1890	sub save {
…		…
1492		1894
1493	$self->{last_save} = $cf::RUNTIME;	1895	$self->{last_save} = $cf::RUNTIME;
1494		1896
1495	return unless $self->dirty;	1897	return unless $self->dirty;
1496		1898
1497	my $save = $self->{path}->save_path; utf8::encode $save;	1899	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1900	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		1901
1500	$self->{load_path} = $save;	1902	$self->{load_path} = $save;
1501		1903
1502	return if $self->{deny_save};	1904	return if $self->{deny_save};
1503		1905
…		…
1506	cf::async {	1908	cf::async {
1507	$_->contr->save for $self->players;	1909	$_->contr->save for $self->players;
1508	};	1910	};
1509		1911
1510	if ($uniq) {	1912	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1913	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	1914	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	1915	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1916	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	1917	}
1516	}	1918	}
1517		1919
1518	sub swap_out {	1920	sub swap_out {
1519	my ($self) = @_;	1921	my ($self) = @_;
…		…
1533		1935
1534	sub reset_at {	1936	sub reset_at {
1535	my ($self) = @_;	1937	my ($self) = @_;
1536		1938
1537	# TODO: safety, remove and allow resettable per-player maps	1939	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	1940	return 1e99 if $self->{deny_reset};
1540		1941
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1942	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1943	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		1944
…		…
1548	my ($self) = @_;	1949	my ($self) = @_;
1549		1950
1550	$self->reset_at <= $cf::RUNTIME	1951	$self->reset_at <= $cf::RUNTIME
1551	}	1952	}
1552		1953
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	1954	sub reset {
1575	my ($self) = @_;	1955	my ($self) = @_;
1576		1956
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	1957	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1958
1579	return if $self->players;	1959	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		1960
1582	warn "resetting map ", $self->path;#d#	1961	warn "resetting map ", $self->path;
		1962
		1963	$self->in_memory (cf::MAP_SWAPPED);
		1964
		1965	# need to save uniques path
		1966	unless ($self->{deny_save}) {
		1967	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1968
		1969	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1970	if $uniq;
		1971	}
1583		1972
1584	delete $cf::MAP{$self->path};	1973	delete $cf::MAP{$self->path};
		1974
		1975	$self->clear;
1585		1976
1586	$_->clear_links_to ($self) for values %cf::MAP;	1977	$_->clear_links_to ($self) for values %cf::MAP;
1587		1978
1588	$self->unlink_save;	1979	$self->unlink_save;
1589	$self->destroy;	1980	$self->destroy;
…		…
1592	my $nuke_counter = "aaaa";	1983	my $nuke_counter = "aaaa";
1593		1984
1594	sub nuke {	1985	sub nuke {
1595	my ($self) = @_;	1986	my ($self) = @_;
1596		1987
		1988	delete $cf::MAP{$self->path};
		1989
		1990	$self->unlink_save;
		1991
		1992	bless $self, "cf::map";
		1993	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	1994	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	1995	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	1996	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1997
		1998	$cf::MAP{$self->path} = $self;
		1999
1600	$self->reset; # polite request, might not happen	2000	$self->reset; # polite request, might not happen
1601	}	2001	}
1602		2002
1603	sub customise_for {	2003	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2004
1606	if ($map->per_player) {	2005	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2006	maps. May block.
		2007
		2008	=cut
		2009
		2010	sub tmp_maps() {
1608	}	2011	[
		2012	map {
		2013	utf8::decode $_;
		2014	/\.map$/
		2015	? normalise $_
		2016	: ()
		2017	} @{ aio_readdir $TMPDIR or [] }
		2018	]
		2019	}
1609		2020
1610	$map	2021	=item $maps = cf::map::random_maps
		2022
		2023	Returns an arrayref with all map paths of currently instantiated and saved
		2024	random maps. May block.
		2025
		2026	=cut
		2027
		2028	sub random_maps() {
		2029	[
		2030	map {
		2031	utf8::decode $_;
		2032	/\.map$/
		2033	? normalise "?random/$_"
		2034	: ()
		2035	} @{ aio_readdir $RANDOMDIR or [] }
		2036	]
1611	}	2037	}
1612		2038
1613	=item cf::map::unique_maps	2039	=item cf::map::unique_maps
1614		2040
1615	Returns an arrayref of cf::path's of all shared maps that have	2041	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2042	instantiated unique items. May block.
1617		2043
1618	=cut	2044	=cut
1619		2045
1620	sub unique_maps() {	2046	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2047	[
1622	or return;	2048	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2049	utf8::decode $_;
1628	next if /\.pst$/;	2050	/\.map$/
1629	next unless /^$PATH_SEP/o;	2051	? normalise $_
1630		2052	: ()
1631	push @paths, new cf::path $_;	2053	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2054	]
1633
1634	\@paths
1635	}	2055	}
1636		2056
1637	package cf;	2057	package cf;
1638		2058
1639	=back	2059	=back
…		…
1685		2105
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2106	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2107
1688	if ($self->{record_replies}) {	2108	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2109	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2110
1690	} else {	2111	} else {
		2112	my $pl = $self->contr;
		2113
		2114	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2115	my $diag = $pl->{npc_dialog};
		2116	$diag->{pl}->ext_reply (
		2117	$diag->{id},
		2118	msgtype => "reply",
		2119	msg => $diag->{pl}->expand_cfpod ($msg),
		2120	add_topics => []
		2121	);
		2122
		2123	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2124	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2125	$self->message ($msg, $flags);
		2126	}
1693	}	2127	}
1694	}	2128	}
1695		2129
1696	=item $player_object->may ("access")	2130	=item $player_object->may ("access")
1697		2131
…		…
1711		2145
1712	=item $player_object->enter_link	2146	=item $player_object->enter_link
1713		2147
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2148	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2149
1716	The player should be reaosnably safe there for short amounts of time. You	2150	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2151	I<MUST> call C<leave_link> as soon as possible, though.
1718		2152
		2153	Will never block.
		2154
1719	=item $player_object->leave_link ($map, $x, $y)	2155	=item $player_object->leave_link ($map, $x, $y)
1720		2156
1721	Moves the player out of the specila link map onto the given map. If the	2157	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2158	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2159	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2160	fails, to the emergency map position.
1725		2161
1726	Might block.	2162	Might block.
1727		2163
1728	=cut	2164	=cut
		2165
		2166	sub link_map {
		2167	unless ($LINK_MAP) {
		2168	$LINK_MAP = cf::map::find "{link}"
		2169	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2170	$LINK_MAP->load;
		2171	}
		2172
		2173	$LINK_MAP
		2174	}
1729		2175
1730	sub cf::object::player::enter_link {	2176	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2177	my ($self) = @_;
1732		2178
1733	$self->deactivate_recursive;	2179	$self->deactivate_recursive;
1734		2180
1735	return if $self->map == $LINK_MAP;	2181	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2182
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2183	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2184	if $self->map && $self->map->{path} ne "{link}";
1739		2185
1740	$self->enter_map ($LINK_MAP, 20, 20);	2186	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2187	}
1742		2188
1743	sub cf::object::player::leave_link {	2189	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2190	my ($self, $map, $x, $y) = @_;
		2191
		2192	return unless $self->contr->active;
1745		2193
1746	my $link_pos = delete $self->{_link_pos};	2194	my $link_pos = delete $self->{_link_pos};
1747		2195
1748	unless ($map) {	2196	unless ($map) {
1749	# restore original map position	2197	# restore original map position
…		…
1767	$map->load;	2215	$map->load;
1768	$map->load_diag;	2216	$map->load_diag;
1769		2217
1770	return unless $self->contr->active;	2218	return unless $self->contr->active;
1771	$self->activate_recursive;	2219	$self->activate_recursive;
		2220
		2221	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2222	$self->enter_map ($map, $x, $y);
1773	}	2223	}
1774		2224
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($pl) = @_;
1778
1779	# abort map switching before logout
1780	if ($pl->ob->{_link_pos}) {
1781	cf::sync_job {
1782	$pl->ob->leave_link
1783	};
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)	2225	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1808		2226
		2227	Moves the player to the given map-path and coordinates by first freezing
		2228	her, loading and preparing them map, calling the provided $check callback
		2229	that has to return the map if sucecssful, and then unfreezes the player on
		2230	the new (success) or old (failed) map position.
		2231
1809	=cut	2232	=cut
		2233
		2234	our $GOTOGEN;
1810		2235
1811	sub cf::object::player::goto {	2236	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2237	my ($self, $path, $x, $y, $check) = @_;
1813		2238
1814	$path = new cf::path $path;	2239	# do generation counting so two concurrent goto's will be executed in-order
		2240	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2241
1816	$self->enter_link;	2242	$self->enter_link;
1817		2243
1818	(async {	2244	(async {
		2245	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	2246	my $map = cf::map::find $path;
		2247
		2248	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2249	$map = $map->customise_for ($self);
1821		2250	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2251	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2252	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2253	}
1826		2254
		2255	$map
		2256	};
		2257
		2258	if ($@) {
		2259	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2260	LOG llevError | logBacktrace, Carp::longmess $@;
		2261	}
		2262
		2263	if ($gen == $self->{_goto_generation}) {
		2264	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2265	$self->leave_link ($map, $x, $y);
		2266	}
1828	})->prio (1);	2267	})->prio (1);
1829	}	2268	}
1830		2269
1831	=item $player_object->enter_exit ($exit_object)	2270	=item $player_object->enter_exit ($exit_object)
1832		2271
…		…
1834		2273
1835	sub parse_random_map_params {	2274	sub parse_random_map_params {
1836	my ($spec) = @_;	2275	my ($spec) = @_;
1837		2276
1838	my $rmp = { # defaults	2277	my $rmp = { # defaults
1839	xsize => 10,	2278	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2279	ysize => (cf::rndm 15, 40),
		2280	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2281	#layout => string,
1841	};	2282	};
1842		2283
1843	for (split /\n/, $spec) {	2284	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2285	my ($k, $v) = split /\s+/, $_, 2;
1845		2286
…		…
1849	$rmp	2290	$rmp
1850	}	2291	}
1851		2292
1852	sub prepare_random_map {	2293	sub prepare_random_map {
1853	my ($exit) = @_;	2294	my ($exit) = @_;
		2295
		2296	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		2297
1855	# all this does is basically replace the /! path by	2298	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	2299	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	2300	# that depends on the exit object
1858		2301
1859	my $rmp = parse_random_map_params $exit->msg;	2302	my $rmp = parse_random_map_params $exit->msg;
1860		2303
1861	if ($exit->map) {	2304	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2305	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2306	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2307	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2308	$rmp->{origin_y} = $exit->y;
1866	}	2309	}
1867		2310
1868	$rmp->{random_seed} ||= $exit->random_seed;	2311	$rmp->{random_seed} ||= $exit->random_seed;
1869		2312
1870	my $data = cf::to_json $rmp;	2313	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2314	my $md5 = Digest::MD5::md5_hex $data;
		2315	my $meta = "$RANDOMDIR/$md5.meta";
1872		2316
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2317	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2318	aio_write $fh, 0, (length $data), $data, 0;
		2319	undef $fh;
		2320	aio_rename "$meta~", $meta;
1875		2321
1876	$exit->slaying ("?random/$md5");	2322	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2323	$exit->msg (undef);
1878	}	2324	}
1879	}	2325	}
1880		2326
1881	sub cf::object::player::enter_exit {	2327	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2328	my ($self, $exit) = @_;
1883		2329
1884	return unless $self->type == cf::PLAYER;	2330	return unless $self->type == cf::PLAYER;
		2331
		2332	if ($exit->slaying eq "/!") {
		2333	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2334	# the problem is that $exit might not survive long enough
		2335	# so it needs to be done right now, right here
		2336	cf::sync_job { prepare_random_map $exit };
		2337	}
		2338
		2339	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2340	my $hp = $exit->stats->hp;
		2341	my $sp = $exit->stats->sp;
1885		2342
1886	$self->enter_link;	2343	$self->enter_link;
1887		2344
1888	(async {	2345	(async {
1889	$self->deactivate_recursive; # just to be sure	2346	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2347	unless (eval {
1891	prepare_random_map $exit	2348	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		2349
1897	1;	2350	1;
1898	}) {	2351	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2352	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2353	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2354	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2355	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2356
1904	warn "ERROR in enter_exit: $@";	2357	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2358	$self->leave_link;
1906	}	2359	}
1907	})->prio (1);	2360	})->prio (1);
…		…
1920		2373
1921	sub cf::client::send_drawinfo {	2374	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2375	my ($self, $text, $flags) = @_;
1923		2376
1924	utf8::encode $text;	2377	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2378	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2379	}
1927		2380
		2381	=item $client->send_msg ($color, $type, $msg, [extra...])
		2382
		2383	Send a drawinfo or msg packet to the client, formatting the msg for the
		2384	client if neccessary. C<$type> should be a string identifying the type of
		2385	the message, with C<log> being the default. If C<$color> is negative, suppress
		2386	the message unless the client supports the msg packet.
		2387
		2388	=cut
		2389
		2390	sub cf::client::send_msg {
		2391	my ($self, $color, $type, $msg, @extra) = @_;
		2392
		2393	$msg = $self->pl->expand_cfpod ($msg);
		2394
		2395	if ($self->can_msg) {
		2396	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2397	} else {
		2398	# replace some tags by gcfclient-compatible ones
		2399	for ($msg) {
		2400	1 while
		2401	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2402	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2403	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2404	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2405	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2406	}
		2407
		2408	if ($color >= 0) {
		2409	if (0 && $msg =~ /\[/) {
		2410	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2411	} else {
		2412	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2413	$self->send_packet ("drawinfo $color $msg")
		2414	}
		2415	}
		2416	}
		2417	}
		2418
		2419	=item $client->ext_event ($type, %msg)
		2420
		2421	Sends an ext event to the client.
		2422
		2423	=cut
		2424
		2425	sub cf::client::ext_event($$%) {
		2426	my ($self, $type, %msg) = @_;
		2427
		2428	$msg{msgtype} = "event_$type";
		2429	$self->send_packet ("ext " . cf::to_json \%msg);
		2430	}
1928		2431
1929	=item $success = $client->query ($flags, "text", \&cb)	2432	=item $success = $client->query ($flags, "text", \&cb)
1930		2433
1931	Queues a query to the client, calling the given callback with	2434	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2435	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2436	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		2437
1935	Queries can fail, so check the return code. Or don't, as queries will become	2438	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	2439	become reliable at some point in the future.
1937		2440
1938	=cut	2441	=cut
1939		2442
1940	sub cf::client::query {	2443	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2444	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2452	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2453	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2454
1952	$self->send_packet ($self->{query_queue}[0][0])	2455	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2456	if @{ $self->{query_queue} } == 1;
		2457
		2458	1
1954	}	2459	}
1955		2460
1956	cf::client->attach (	2461	cf::client->attach (
1957	on_reply => sub {	2462	on_reply => sub {
1958	my ($ns, $msg) = @_;	2463	my ($ns, $msg) = @_;
…		…
1961	# get handled first	2466	# get handled first
1962	my $queue = delete $ns->{query_queue}	2467	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2468	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2469
1965	(shift @$queue)->[1]->($msg);	2470	(shift @$queue)->[1]->($msg);
		2471	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2472
1967	push @{ $ns->{query_queue} }, @$queue;	2473	push @{ $ns->{query_queue} }, @$queue;
1968		2474
1969	if (@{ $ns->{query_queue} } == @$queue) {	2475	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2476	if (@$queue) {
…		…
1972	} else {	2478	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2479	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	2480	}
1975	}	2481	}
1976	},	2482	},
		2483	on_exticmd => sub {
		2484	my ($ns, $buf) = @_;
		2485
		2486	my $msg = eval { from_json $buf };
		2487
		2488	if (ref $msg) {
		2489	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2490	if (my %reply = $cb->($ns, $msg)) {
		2491	$reply{msgid} = $msg->{msgid};
		2492	$ns->send ("ext " . cf::to_json \%reply);
		2493	}
		2494	}
		2495	} else {
		2496	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2497	}
		2498
		2499	cf::override;
		2500	},
1977	);	2501	);
1978		2502
1979	=item $client->async (\&cb)	2503	=item $client->async (\&cb)
1980		2504
1981	Create a new coroutine, running the specified callback. The coroutine will	2505	Create a new coroutine, running the specified callback. The coroutine will
…		…
2028		2552
2029	# here we export the classes and methods available to script code	2553	# here we export the classes and methods available to script code
2030		2554
2031	=pod	2555	=pod
2032		2556
2033	The following fucntions and emthods are available within a safe environment:	2557	The following functions and methods are available within a safe environment:
2034		2558
2035	cf::object contr pay_amount pay_player map	2559	cf::object contr pay_amount pay_player map
2036	cf::object::player player	2560	cf::object::player player
2037	cf::player peaceful	2561	cf::player peaceful
2038	cf::map trigger	2562	cf::map trigger
…		…
2119	=back	2643	=back
2120		2644
2121	=cut	2645	=cut
2122		2646
2123	#############################################################################	2647	#############################################################################
		2648	# the server's init and main functions
2124		2649
2125	=head2 EXTENSION DATABASE SUPPORT	2650	sub load_facedata($) {
		2651	my ($path) = @_;
2126		2652
2127	Crossfire maintains a very simple database for extension use. It can	2653	warn "loading facedata from $path\n";
2128	currently store anything that can be serialised using Storable, which
2129	excludes objects.
2130		2654
2131	The parameter C<$family> should best start with the name of the extension	2655	my $facedata;
2132	using it, it should be unique.	2656	0 < aio_load $path, $facedata
		2657	or die "$path: $!";
2133		2658
2134	=over 4	2659	$facedata = Coro::Storable::thaw $facedata;
2135		2660
2136	=item $hashref = cf::db_get $family	2661	$facedata->{version} == 2
		2662	or cf::cleanup "$path: version mismatch, cannot proceed.";
2137		2663
2138	Return a hashref for use by the extension C<$family>, which can be
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141
2142	=item $value = cf::db_get $family => $key
2143
2144	Returns a single value from the database
2145
2146	=item cf::db_put $family => $hashref
2147
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}	2664	{
		2665	my $faces = $facedata->{faceinfo};
2174		2666
2175	my $pid;	2667	while (my ($face, $info) = each %$faces) {
2176		2668	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	sub db_save() {	2669	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2178	waitpid $pid, 0 if $pid;	2670	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2179	if (0 == ($pid = fork)) {	2671	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2180	$DB->{_meta}{version} = 1;	2672	Coro::cede;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});
2197
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {
2204	@_ >= 2
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208
2209	sub db_put($$;$) {
2210	if (@_ >= 3) {
2211	$DB->{$_[0]}{$_[1]} = $_[2];
2212	} else {
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2673	}
2223	);
2224	}
2225		2674
2226	#############################################################################	2675	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	2676	next unless $info->{smooth};
		2677	my $idx = cf::face::find $face
		2678	or next;
		2679	if (my $smooth = cf::face::find $info->{smooth}) {
		2680	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2681	} else {
		2682	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2683	}
		2684	Coro::cede;
		2685	}
		2686	}
		2687
		2688	{
		2689	my $anims = $facedata->{animinfo};
		2690
		2691	while (my ($anim, $info) = each %$anims) {
		2692	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2693	Coro::cede;
		2694	}
		2695
		2696	cf::anim::invalidate_all; # d'oh
		2697	}
		2698
		2699	1
		2700	}
		2701
		2702	sub reload_regions {
		2703	load_resource_file "$MAPDIR/regions"
		2704	or die "unable to load regions file\n";
		2705	}
		2706
		2707	sub reload_facedata {
		2708	load_facedata "$DATADIR/facedata"
		2709	or die "unable to load facedata\n";
		2710	}
		2711
		2712	sub reload_archetypes {
		2713	load_resource_file "$DATADIR/archetypes"
		2714	or die "unable to load archetypes\n";
		2715	#d# NEED to laod twice to resolve forward references
		2716	# this really needs to be done in an extra post-pass
		2717	# (which needs to be synchronous, so solve it differently)
		2718	load_resource_file "$DATADIR/archetypes"
		2719	or die "unable to load archetypes\n";
		2720	}
		2721
		2722	sub reload_treasures {
		2723	load_resource_file "$DATADIR/treasures"
		2724	or die "unable to load treasurelists\n";
		2725	}
		2726
		2727	sub reload_resources {
		2728	warn "reloading resource files...\n";
		2729
		2730	reload_regions;
		2731	reload_facedata;
		2732	#reload_archetypes;#d#
		2733	reload_archetypes;
		2734	reload_treasures;
		2735
		2736	warn "finished reloading resource files\n";
		2737	}
		2738
		2739	sub init {
		2740	reload_resources;
		2741	}
2228		2742
2229	sub cfg_load {	2743	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2744	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	2745	or return;
2232		2746
2233	local $/;	2747	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	2748	*CFG = YAML::Syck::Load <$fh>;
2235		2749
…		…
2249		2763
2250	sub main {	2764	sub main {
2251	# we must not ever block the main coroutine	2765	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2766	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2767	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2768	(async {
2254	async { Event::one_event };	2769	Event::one_event;
		2770	})->prio (Coro::PRIO_MAX);
2255	};	2771	};
2256		2772
2257	cfg_load;	2773	cfg_load;
2258	db_load;	2774	db_init;
2259	load_extensions;	2775	load_extensions;
		2776
		2777	$TICK_WATCHER->start;
2260	Event::loop;	2778	Event::loop;
2261	}	2779	}
2262		2780
2263	#############################################################################	2781	#############################################################################
2264	# initialisation and cleanup	2782	# initialisation and cleanup
2265		2783
2266	# install some emergency cleanup handlers	2784	# install some emergency cleanup handlers
2267	BEGIN {	2785	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2786	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2787	Event->signal (
		2788	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2789	data => WF_AUTOCANCEL,
2271	signal => $signal,	2790	signal => $signal,
		2791	prio => 0,
2272	cb => sub {	2792	cb => sub {
2273	cf::cleanup "SIG$signal";	2793	cf::cleanup "SIG$signal";
2274	},	2794	},
2275	);	2795	);
2276	}	2796	}
2277	}	2797	}
2278		2798
		2799	sub write_runtime {
		2800	my $runtime = "$LOCALDIR/runtime";
		2801
		2802	# first touch the runtime file to show we are still running:
		2803	# the fsync below can take a very very long time.
		2804
		2805	IO::AIO::aio_utime $runtime, undef, undef;
		2806
		2807	my $guard = cf::lock_acquire "write_runtime";
		2808
		2809	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2810	or return;
		2811
		2812	my $value = $cf::RUNTIME + 90 + 10;
		2813	# 10 is the runtime save interval, for a monotonic clock
		2814	# 60 allows for the watchdog to kill the server.
		2815
		2816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2817	and return;
		2818
		2819	# always fsync - this file is important
		2820	aio_fsync $fh
		2821	and return;
		2822
		2823	# touch it again to show we are up-to-date
		2824	aio_utime $fh, undef, undef;
		2825
		2826	close $fh
		2827	or return;
		2828
		2829	aio_rename "$runtime~", $runtime
		2830	and return;
		2831
		2832	warn "runtime file written.\n";
		2833
		2834	1
		2835	}
		2836
2279	sub emergency_save() {	2837	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	2838	my $freeze_guard = cf::freeze_mainloop;
2281		2839
2282	warn "enter emergency perl save\n";	2840	warn "enter emergency perl save\n";
2283		2841
2284	cf::sync_job {	2842	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	2843	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	2844	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	2845	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	2846	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	2847	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	2848	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	2849	$pl->valid or next;
2292	$pl->save;	2850	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	2856	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	2857	$map->valid or next;
2300	$map->save;	2858	$map->save;
2301	}	2859	}
2302	warn "end emergency map save\n";	2860	warn "end emergency map save\n";
		2861
		2862	warn "begin emergency database checkpoint\n";
		2863	BDB::db_env_txn_checkpoint $DB_ENV;
		2864	warn "end emergency database checkpoint\n";
2303	};	2865	};
2304		2866
2305	warn "leave emergency perl save\n";	2867	warn "leave emergency perl save\n";
2306	}	2868	}
2307		2869
		2870	sub post_cleanup {
		2871	my ($make_core) = @_;
		2872
		2873	warn Carp::longmess "post_cleanup backtrace"
		2874	if $make_core;
		2875	}
		2876
2308	sub reload() {	2877	sub do_reload_perl() {
2309	# can/must only be called in main	2878	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	2879	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	2880	warn "can only reload from main coroutine";
2312	return;	2881	return;
2313	}	2882	}
2314		2883
2315	warn "reloading...";	2884	warn "reloading...";
2316		2885
2317	warn "freezing server";	2886	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	2887
		2888	cf::sync_job {
		2889	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2890	cf::emergency_save;
		2891	cf::write_runtime; # external watchdog should not bark
2320		2892
2321	warn "sync database to disk";	2893	warn "syncing database to disk";
2322	cf::db_sync;	2894	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		2895
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	2896	# if anything goes wrong in here, we should simply crash as we already saved
2327		2897
2328	warn "cancel all watchers";	2898	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	2899	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	2900	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	2901	}
2332		2902
		2903	warn "flushing outstanding aio requests";
		2904	for (;;) {
		2905	BDB::flush;
		2906	IO::AIO::flush;
		2907	Coro::cede;
		2908	last unless IO::AIO::nreqs || BDB::nreqs;
		2909	warn "iterate...";
		2910	}
		2911
		2912	++$RELOAD;
		2913
2333	warn "cancel all extension coros";	2914	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	2915	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	2916	%EXT_CORO = ();
2336		2917
2337	warn "remove commands";	2918	warn "removing commands";
2338	%COMMAND = ();	2919	%COMMAND = ();
2339		2920
2340	warn "remove ext commands";	2921	warn "removing ext/exti commands";
2341	%EXTCMD = ();	2922	%EXTCMD = ();
		2923	%EXTICMD = ();
2342		2924
2343	warn "unload/nuke all extensions";	2925	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	2926	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	2927	warn "... unloading $pkg";
2346		2928
2347	if (my $cb = $pkg->can ("unload")) {	2929	if (my $cb = $pkg->can ("unload")) {
2348	eval {	2930	eval {
…		…
2353		2935
2354	warn "... nuking $pkg";	2936	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	2937	Symbol::delete_package $pkg;
2356	}	2938	}
2357		2939
2358	warn "unload all perl modules loaded from $LIBDIR";	2940	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	2941	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2942	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		2943
2362	warn "removing <$k>";	2944	warn "... unloading $k";
2363	delete $INC{$k};	2945	delete $INC{$k};
2364		2946
2365	$k =~ s/\.pm$//;	2947	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	2948	$k =~ s/\//::/g;
2367		2949
…		…
2370	}	2952	}
2371		2953
2372	Symbol::delete_package $k;	2954	Symbol::delete_package $k;
2373	}	2955	}
2374		2956
2375	warn "get rid of safe::, as good as possible";	2957	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	2958	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		2960
2379	warn "unload cf.pm \"a bit\"";	2961	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	2962	delete $INC{"cf.pm"};
		2963	delete $INC{"cf/pod.pm"};
2381		2964
2382	# don't, removes xs symbols, too,	2965	# don't, removes xs symbols, too,
2383	# and global variables created in xs	2966	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	2967	#Symbol::delete_package __PACKAGE__;
2385		2968
		2969	warn "unload completed, starting to reload now";
		2970
2386	warn "reloading cf.pm";	2971	warn "reloading cf.pm";
2387	require cf;	2972	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2973	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		2974
2390	warn "load config and database again";	2975	warn "loading config and database again";
2391	cf::cfg_load;	2976	cf::cfg_load;
2392	cf::db_load;
2393		2977
2394	warn "load extensions";	2978	warn "loading extensions";
2395	cf::load_extensions;	2979	cf::load_extensions;
2396		2980
2397	warn "reattach attachments to objects/players";	2981	warn "reattaching attachments to objects/players";
2398	_global_reattach;	2982	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	2983	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	2984	reattach $_ for values %MAP;
2401	};	2985	warn "reattaching attachments to players";
		2986	reattach $_ for values %PLAYER;
2402		2987
2403	if ($@) {	2988	warn "leaving sync_job";
		2989
		2990	1
		2991	} or do {
2404	warn $@;	2992	warn $@;
2405	warn "error while reloading, exiting.";	2993	warn "error while reloading, exiting.";
2406	exit 1;	2994	exit 1;
2407	}	2995	};
2408		2996
2409	warn "reloaded";	2997	warn "reloaded";
2410	};	2998	};
2411		2999
2412	#############################################################################	3000	our $RELOAD_WATCHER; # used only during reload
2413		3001
2414	unless ($LINK_MAP) {	3002	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	3003	# doing reload synchronously and two reloads happen back-to-back,
		3004	# coro crashes during coro_state_free->destroy here.
2416		3005
2417	$LINK_MAP->width (41);	3006	$RELOAD_WATCHER ||= Event->timer (
2418	$LINK_MAP->height (41);	3007	reentrant => 0,
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,	3008	after => 0,
		3009	data => WF_AUTOCANCEL,
2427	cb => sub {	3010	cb => sub {
2428	$_[0]->w->cancel;	3011	do_reload_perl;
2429		3012	undef $RELOAD_WATCHER;
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});	3013	},
2448		3014	);
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3015	}
2454		3016
2455	register_command "reload" => sub {	3017	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3018	my ($who, $arg) = @_;
2457		3019
2458	if ($who->flag (FLAG_WIZ)) {	3020	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3021	$who->message ("reloading server.");
		3022	async { reload_perl };
2462	}	3023	}
2463	};	3024	};
2464		3025
2465	unshift @INC, $LIBDIR;	3026	unshift @INC, $LIBDIR;
2466		3027
		3028	my $bug_warning = 0;
		3029
		3030	our @WAIT_FOR_TICK;
		3031	our @WAIT_FOR_TICK_BEGIN;
		3032
		3033	sub wait_for_tick {
		3034	return unless $TICK_WATCHER->is_active;
		3035	return if $Coro::current == $Coro::main;
		3036
		3037	my $signal = new Coro::Signal;
		3038	push @WAIT_FOR_TICK, $signal;
		3039	$signal->wait;
		3040	}
		3041
		3042	sub wait_for_tick_begin {
		3043	return unless $TICK_WATCHER->is_active;
		3044	return if $Coro::current == $Coro::main;
		3045
		3046	my $signal = new Coro::Signal;
		3047	push @WAIT_FOR_TICK_BEGIN, $signal;
		3048	$signal->wait;
		3049	}
		3050
		3051	my $min = 1e6;#d#
		3052	my $avg = 10;
2467	$TICK_WATCHER = Event->timer (	3053	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	3054	reentrant => 0,
		3055	parked => 1,
2469	prio => 0,	3056	prio => 0,
2470	at => $NEXT_TICK || $TICK,	3057	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	3058	data => WF_AUTOCANCEL,
2472	cb => sub {	3059	cb => sub {
		3060	if ($Coro::current != $Coro::main) {
		3061	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3062	unless ++$bug_warning > 10;
		3063	return;
		3064	}
		3065
2473	$NOW = Event::time;	3066	$NOW = $tick_start = Event::time;
2474		3067
2475	cf::server_tick; # one server iteration	3068	cf::server_tick; # one server iteration
		3069
		3070	0 && sync_job {#d#
		3071	for(1..10) {
		3072	my $t = Event::time;
		3073	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3074	or die;
		3075
		3076	$map->width (50);
		3077	$map->height (50);
		3078	$map->alloc;
		3079	$map->_load_objects ("/tmp/x.map", 1);
		3080	my $t = Event::time - $t;
		3081
		3082	#next unless $t < 0.0013;#d#
		3083	if ($t < $min) {
		3084	$min = $t;
		3085	}
		3086	$avg = $avg * 0.99 + $t * 0.01;
		3087	}
		3088	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3089	exit 0;
		3090	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3091	};
		3092
2476	$RUNTIME += $TICK;	3093	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	3094	$NEXT_TICK += $TICK;
2478		3095
2479	$WAIT_FOR_TICK->broadcast;	3096	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3097	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3098	Coro::async_pool {
		3099	write_runtime
		3100	or warn "ERROR: unable to write runtime file: $!";
		3101	};
		3102	}
		3103
		3104	# my $AFTER = Event::time;
		3105	# warn $AFTER - $NOW;#d#
		3106
		3107	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3108	$sig->send;
		3109	}
		3110	while (my $sig = shift @WAIT_FOR_TICK) {
		3111	$sig->send;
		3112	}
		3113
		3114	$NOW = Event::time;
2481		3115
2482	# if we are delayed by four ticks or more, skip them all	3116	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3117	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2484		3118
2485	$TICK_WATCHER->at ($NEXT_TICK);	3119	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	3120	$TICK_WATCHER->start;
		3121
		3122	$LOAD = ($NOW - $tick_start) / $TICK;
		3123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3124
		3125	_post_tick;
		3126
		3127
2487	},	3128	},
2488	);	3129	);
2489		3130
		3131	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	3132	BDB::max_poll_time $TICK * 0.1;
2491		3133	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	3134	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	3135	fd => BDB::poll_fileno,
2494	poll => 'r',	3136	poll => 'r',
2495	prio => 5,	3137	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	3138	data => WF_AUTOCANCEL,
2502	after => 0,	3139	cb => \&BDB::poll_cb,
2503	interval => 10,	3140	);
2504	cb => sub {	3141	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	3142
2506	write_runtime	3143	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	3144	my $status;
		3145	my $current = $Coro::current;
		3146	(
		3147	sub {
		3148	$status = $!;
		3149	$current->ready; undef $current;
		3150	},
		3151	sub {
		3152	Coro::schedule while defined $current;
		3153	$! = $status;
		3154	},
		3155	)
		3156	};
		3157
		3158	unless ($DB_ENV) {
		3159	$DB_ENV = BDB::db_env_create;
		3160
		3161	cf::sync_job {
		3162	eval {
		3163	BDB::db_env_open
		3164	$DB_ENV,
		3165	$BDBDIR,
		3166	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3167	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3168	0666;
		3169
		3170	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3171
		3172	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3173	$DB_ENV->set_lk_detect;
		3174	};
		3175
		3176	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	3177	};
2509	},	3178	}
2510	);	3179	}
		3180
		3181	{
		3182	IO::AIO::min_parallel 8;
		3183
		3184	undef $Coro::AIO::WATCHER;
		3185	IO::AIO::max_poll_time $TICK * 0.1;
		3186	$AIO_POLL_WATCHER = Event->io (
		3187	reentrant => 0,
		3188	data => WF_AUTOCANCEL,
		3189	fd => IO::AIO::poll_fileno,
		3190	poll => 'r',
		3191	prio => 6,
		3192	cb => \&IO::AIO::poll_cb,
		3193	);
		3194	}
		3195
		3196	my $_log_backtrace;
		3197
		3198	sub _log_backtrace {
		3199	my ($msg, @addr) = @_;
		3200
		3201	$msg =~ s/\n//;
		3202
		3203	# limit the # of concurrent backtraces
		3204	if ($_log_backtrace < 2) {
		3205	++$_log_backtrace;
		3206	async {
		3207	my @bt = fork_call {
		3208	@addr = map { sprintf "%x", $_ } @addr;
		3209	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3210	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3211	or die "addr2line: $!";
		3212
		3213	my @funcs;
		3214	my @res = <$fh>;
		3215	chomp for @res;
		3216	while (@res) {
		3217	my ($func, $line) = splice @res, 0, 2, ();
		3218	push @funcs, "[$func] $line";
		3219	}
		3220
		3221	@funcs
		3222	};
		3223
		3224	LOG llevInfo, "[ABT] $msg\n";
		3225	LOG llevInfo, "[ABT] $_\n" for @bt;
		3226	--$_log_backtrace;
		3227	};
		3228	} else {
		3229	LOG llevInfo, "[ABT] $msg\n";
		3230	LOG llevInfo, "[ABT] [suppressed]\n";
		3231	}
		3232	}
		3233
		3234	# load additional modules
		3235	use cf::pod;
2511		3236
2512	END { cf::emergency_save }	3237	END { cf::emergency_save }
2513		3238
2514	1	3239	1
2515		3240

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