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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.290 by root, Mon Jul 2 03:15:30 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
26		34
		35	# configure various modules to our taste
		36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
		38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		40
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	41	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		42
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
33		45
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
36	our %COMMAND = ();	50	our %COMMAND = ();
37	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
38		52
39	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
43		58
		59	our $RELOAD; # number of reloads so far
44	our @EVENT;	60	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		61
47	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	75	our $TICK_WATCHER;
		76	our $AIO_POLL_WATCHER;
		77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	78	our $NEXT_TICK;
50	our $NOW;	79	our $NOW;
		80	our $USE_FSYNC = 1; # use fsync to write maps - default off
		81
		82	our $BDB_POLL_WATCHER;
		83	our $DB_ENV;
51		84
52	our %CFG;	85	our %CFG;
53		86
54	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	88	our $RUNTIME;
56		89
57	our %PLAYER; # all users	90	our %PLAYER; # all users
58	our %MAP; # all maps	91	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	92	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		93
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	94	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		96
		97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		98	our $LOADAVG; # same thing, but with alpha-smoothing
		99	our $tick_start; # for load detecting purposes
64		100
65	binmode STDOUT;	101	binmode STDOUT;
66	binmode STDERR;	102	binmode STDERR;
67		103
68	# read virtual server time, if available	104	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
73	}	109	}
74		110
75	mkdir cf::localdir;	111	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		113
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
		115
		116	sub cf::map::normalise;
84		117
85	#############################################################################	118	#############################################################################
86		119
87	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
88		121
…		…
95	=item $cf::RUNTIME	128	=item $cf::RUNTIME
96		129
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	130	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	131	every server tick.
99		132
100	=item $cf::LIBDIR	133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		136
102	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		139	unique-items directory, player file directory, random maps directory and
		140	database environment.
104		141
105	=item $cf::NOW	142	=item $cf::NOW
106		143
107	The time of the last (current) server tick.	144	The time of the last (current) server tick.
108		145
109	=item $cf::TICK	146	=item $cf::TICK
110		147
111	The interval between server ticks, in seconds.	148	The interval between server ticks, in seconds.
		149
		150	=item $cf::LOADAVG
		151
		152	The current CPU load on the server (alpha-smoothed), as a value between 0
		153	(none) and 1 (overloaded), indicating how much time is spent on processing
		154	objects per tick. Healthy values are < 0.5.
		155
		156	=item $cf::LOAD
		157
		158	The raw value load value from the last tick.
112		159
113	=item %cf::CFG	160	=item %cf::CFG
114		161
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	163	from wherever your confdir points to.
117		164
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		166
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	168	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.
124		170
125	=back	171	=back
126		172
127	=cut	173	=cut
128		174
129	BEGIN {	175	BEGIN {
130	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	177	my $msg = join "", @_;
132	utf8::encode $msg;
133		178
134	$msg .= "\n"	179	$msg .= "\n"
135	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
136		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
137	LOG llevError, $msg;	185	LOG llevError, $msg;
138	};	186	};
139	}	187	}
140		188
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	193	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		194	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	195	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		196
148	# we bless all objects into (empty) derived classes to force a method lookup	197	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	198	# within the Safe compartment.
150	for my $pkg (qw(	199	for my $pkg (qw(
151	cf::global cf::attachable	200	cf::global cf::attachable
…		…
159	}	208	}
160		209
161	$Event::DIED = sub {	210	$Event::DIED = sub {
162	warn "error in event callback: @_";	211	warn "error in event callback: @_";
163	};	212	};
		213
		214	#############################################################################
164		215
165	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
166		217
167	=over 4	218	=over 4
168		219
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	239	$d
189	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
190	}	241	}
191		242
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
195		244
196	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
197		246
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
206		248
207	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
208		250
209	=cut	251	=cut
210		252
211	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
213	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
215		257
216	=item cf::lock_wait $string	258	=item cf::lock_wait $string
217		259
218	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
219		261
…		…
225	returned.	267	returned.
226		268
227	Lock names should begin with a unique identifier (for example, cf::map::find	269	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
229		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
230	=cut	276	=cut
231		277
232	our %LOCK;	278	our %LOCK;
233		279
234	sub lock_wait($) {	280	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
255	}	301	}
256	}	302	}
257		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
258	sub freeze_mainloop {	310	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
260		312
261	my $guard = Coro::guard { $TICK_WATCHER->start };	313	my $guard = Coro::guard {
		314	$TICK_WATCHER->start;
		315	};
262	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
263	$guard	317	$guard
264	}	318	}
265		319
266	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
273		327
274	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
275		329
276	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
277		331
278	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
281		336
282	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
285	fast or be very important.	340	fast or be very important.
…		…
288		343
289	sub sync_job(&) {	344	sub sync_job(&) {
290	my ($job) = @_;	345	my ($job) = @_;
291		346
292	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
293	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
295		352
296	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
308		365
309	while ($busy) {	366	while ($busy) {
310	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
311	}	368	}
312		369
		370	$time = Event::time - $time;
		371
		372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		374
		375	$tick_start += $time; # do not account sync jobs to server load
		376
313	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
314	} else {	378	} else {
315	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
316		380
317	$job->()	381	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
337		401
338	$coro	402	$coro
339	}	403	}
340		404
341	sub write_runtime {	405	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		406
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
345	or return;	408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
346		411
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	412	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		413
351	aio_fsync $fh	414	sub fork_call(&@) {
352	and return;	415	my ($cb, @args) = @_;
353		416
		417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
		421
		422	if (my $pid = fork) {
354	close $fh	423	close $fh2;
355	or return;
356		424
357	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
358	and return;	426	$res = Coro::Storable::thaw $res;
359		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
360	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		480	my $key = "$_[0]/$_[1]";
		481
		482	cf::sync_job {
		483	BDB::db_get $DB, undef, $key, my $data;
		484
		485	$! ? ()
		486	: $data
		487	}
		488	}
		489
		490	sub db_put($$$) {
		491	BDB::dbreq_pri 4;
		492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		493	}
		494
		495	=item cf::cache $id => [$paths...], $processversion => $process
		496
		497	Generic caching function that returns the value of the resource $id,
		498	caching and regenerating as required.
		499
		500	This function can block.
		501
		502	=cut
		503
		504	sub cache {
		505	my ($id, $src, $processversion, $process) = @_;
		506
		507	my $meta =
		508	join "\x00",
		509	$processversion,
		510	map {
		511	aio_stat $_
		512	and Carp::croak "$_: $!";
		513
		514	($_, (stat _)[7,9])
		515	} @$src;
		516
		517	my $dbmeta = db_get cache => "$id/meta";
		518	if ($dbmeta ne $meta) {
		519	# changed, we may need to process
		520
		521	my @data;
		522	my $md5;
		523
		524	for (0 .. $#$src) {
		525	0 <= aio_load $src->[$_], $data[$_]
		526	or Carp::croak "$src->[$_]: $!";
		527	}
		528
		529	# if processing is expensive, check
		530	# checksum first
		531	if (1) {
		532	$md5 =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	Coro::cede;
		537	($src->[$_], Digest::MD5::md5_hex $data[$_])
		538	} 0.. $#$src;
		539
		540
		541	my $dbmd5 = db_get cache => "$id/md5";
		542	if ($dbmd5 eq $md5) {
		543	db_put cache => "$id/meta", $meta;
		544
		545	return db_get cache => "$id/data";
		546	}
		547	}
		548
		549	my $t1 = Time::HiRes::time;
		550	my $data = $process->(\@data);
		551	my $t2 = Time::HiRes::time;
		552
		553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		554
		555	db_put cache => "$id/data", $data;
		556	db_put cache => "$id/md5" , $md5;
		557	db_put cache => "$id/meta", $meta;
		558
		559	return $data;
		560	}
		561
		562	db_get cache => "$id/data"
		563	}
		564
		565	=item cf::datalog type => key => value, ...
		566
		567	Log a datalog packet of the given type with the given key-value pairs.
		568
		569	=cut
		570
		571	sub datalog($@) {
		572	my ($type, %kv) = @_;
		573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	574	}
362		575
363	=back	576	=back
364		577
365	=cut	578	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542		579
543	#############################################################################	580	#############################################################################
544		581
545	=head2 ATTACHABLE OBJECTS	582	=head2 ATTACHABLE OBJECTS
546		583
…		…
548	attach callbacks/event handlers (a collection of which is called an "attachment")	585	attach callbacks/event handlers (a collection of which is called an "attachment")
549	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
550		587
551	In the following description, CLASS can be any of C<global>, C<object>	588	In the following description, CLASS can be any of C<global>, C<object>
552	C<player>, C<client> or C<map> (i.e. the attachable objects in	589	C<player>, C<client> or C<map> (i.e. the attachable objects in
553	crossfire+).	590	Crossfire TRT).
554		591
555	=over 4	592	=over 4
556		593
557	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
558		595
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	709	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	710	our @CB_MAP = ();
674		711
675	my %attachment;	712	my %attachment;
676		713
		714	sub cf::attachable::thawer_merge {
		715	# simply override everything except _meta
		716	local $_[0]{_meta};
		717	%{$_[0]} = %{$_[1]};
		718	}
		719
677	sub _attach_cb($$$$) {	720	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	721	my ($registry, $event, $prio, $cb) = @_;
679		722
680	use sort 'stable';	723	use sort 'stable';
681		724
…		…
715	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
716		759
717	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
718	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
719	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
720	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
721		764
722	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
723	my $pkg = shift @arg;	766	my $pkg = shift @arg;
724		767
725	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
754	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
755	}	798	}
756		799
757	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
758	} else {	801	} else {
759	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
760	}	803	}
761		804
762	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
763	}	806	}
764		807
…		…
766	if (ref $_[0]) {	809	if (ref $_[0]) {
767	_object_attach @_;	810	_object_attach @_;
768	} else {	811	} else {
769	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
770	}	813	}
		814	_recalc_want;
771	};	815	};
772		816
773	# all those should be optimised	817	# all those should be optimised
774	sub cf::attachable::detach {	818	sub cf::attachable::detach {
775	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
778	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
779	reattach ($obj);	823	reattach ($obj);
780	} else {	824	} else {
781	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
782	}	826	}
		827	_recalc_want;
783	};	828	};
784		829
785	sub cf::attachable::attached {	830	sub cf::attachable::attached {
786	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
787		832
…		…
852	# object support	897	# object support
853		898
854	sub reattach {	899	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	900	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	901	my ($obj) = @_;
		902
		903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		904
858	my $registry = $obj->registry;	905	my $registry = $obj->registry;
859		906
860	@$registry = ();	907	@$registry = ();
861		908
…		…
908	$filename, length $$rdata, scalar @$objs;	955	$filename, length $$rdata, scalar @$objs;
909		956
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913	aio_fsync $fh;	960	aio_fsync $fh if $cf::USE_FSYNC;
914	close $fh;	961	close $fh;
915		962
916	if (@$objs) {	963	if (@$objs) {
917	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
918	chmod SAVE_MODE, $fh;	965	chmod SAVE_MODE, $fh;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	966	my $data = Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	967	aio_write $fh, 0, (length $data), $data, 0;
921	aio_fsync $fh;	968	aio_fsync $fh if $cf::USE_FSYNC;
922	close $fh;	969	close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	970	aio_rename "$filename.pst~", "$filename.pst";
924	}	971	}
925	} else {	972	} else {
926	aio_unlink "$filename.pst";	973	aio_unlink "$filename.pst";
…		…
958	or return;	1005	or return;
959	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
960	}	1007	}
961		1008
962	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
963	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
964	return ($data, $av);	1011	return ($data, $av);
965	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
966		1019
967	#############################################################################	1020	#############################################################################
968	# command handling &c	1021	# command handling &c
969		1022
970	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
983	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
984	}	1037	}
985		1038
986	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
987		1040
988	Register a callbackf ro execution when the client sends an extcmd packet.	1041	Register a callback for execution when the client sends an (synchronous)
		1042	extcmd packet. Ext commands will be processed in the order they are
		1043	received by the server, like other user commands. The first argument is
		1044	the logged-in player. Ext commands can only be processed after a player
		1045	has logged in successfully.
989		1046
990	If the callback returns something, it is sent back as if reply was being	1047	If the callback returns something, it is sent back as if reply was being
991	called.	1048	called.
992		1049
		1050	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1051
		1052	Register a callback for execution when the client sends an (asynchronous)
		1053	exticmd packet. Exti commands are processed by the server as soon as they
		1054	are received, i.e. out of order w.r.t. other commands. The first argument
		1055	is a client socket. Exti commands can be received anytime, even before
		1056	log-in.
		1057
		1058	If the callback returns something, it is sent back as if reply was being
		1059	called.
		1060
993	=cut	1061	=cut
994		1062
995	sub register_extcmd {	1063	sub register_extcmd {
996	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
997		1065
998	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
999	}	1073	}
1000		1074
1001	cf::player->attach (	1075	cf::player->attach (
1002	on_command => sub {	1076	on_command => sub {
1003	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
1012	cf::override;	1086	cf::override;
1013	},	1087	},
1014	on_extcmd => sub {	1088	on_extcmd => sub {
1015	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
1016		1090
1017	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1018		1092
1019	if (ref $msg) {	1093	if (ref $msg) {
1020	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
1021	if (my %reply = $cb->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
1022	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
1028		1102
1029	cf::override;	1103	cf::override;
1030	},	1104	},
1031	);	1105	);
1032		1106
1033	sub load_extension {
1034	my ($path) = @_;
1035
1036	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1037	my $base = $1;
1038	my $pkg = $1;
1039	$pkg =~ s/[^[:word:]]/_/g;
1040	$pkg = "ext::$pkg";
1041
1042	warn "... loading '$path' into '$pkg'\n";
1043
1044	open my $fh, "<:utf8", $path
1045	or die "$path: $!";
1046
1047	my $source =
1048	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })
1051	. "\n};\n1";
1052
1053	eval $source
1054	or die $@ ? "$path: $@\n"
1055	: "extension disabled.\n";
1056
1057	push @EXTS, $pkg;
1058	}
1059
1060	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
1061	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
1062	next unless -r $ext;	1112	next unless -r $path;
1063	eval {	1113
1064	load_extension $ext;	1114	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1115	my $base = $1;
		1116	my $pkg = $1;
		1117	$pkg =~ s/[^[:word:]]/_/g;
		1118	$pkg = "ext::$pkg";
		1119
		1120	open my $fh, "<:utf8", $path
		1121	or die "$path: $!";
		1122
		1123	my $source = do { local $/; <$fh> };
		1124
		1125	my %ext = (
		1126	path => $path,
		1127	base => $base,
		1128	pkg => $pkg,
		1129	);
		1130
		1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1133
		1134	$ext{source} =
		1135	"package $pkg; use strict; use utf8;\n"
		1136	. "#line 1 \"$path\"\n{\n"
		1137	. $source
		1138	. "\n};\n1";
		1139
		1140	$todo{$base} = \%ext;
		1141	}
		1142
		1143	my %done;
		1144	while (%todo) {
		1145	my $progress;
		1146
		1147	while (my ($k, $v) = each %todo) {
		1148	for (split /,\s*/, $v->{meta}{depends}) {
		1149	goto skip
		1150	unless exists $done{$_};
		1151	}
		1152
		1153	warn "... loading '$k' into '$v->{pkg}'\n";
		1154
		1155	unless (eval $v->{source}) {
		1156	my $msg = $@ ? "$v->{path}: $@\n"
		1157	: "$v->{base}: extension inactive.\n";
		1158
		1159	if (exists $v->{meta}{mandatory}) {
		1160	warn $msg;
		1161	warn "mandatory extension failed to load, exiting.\n";
		1162	exit 1;
		1163	}
		1164
		1165	warn $msg;
		1166	}
		1167
		1168	$done{$k} = delete $todo{$k};
		1169	push @EXTS, $v->{pkg};
		1170	$progress = 1;
1065	1	1171	}
1066	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
1067	}	1177	};
1068	}	1178	}
1069		1179
1070	#############################################################################	1180	#############################################################################
1071	# load/save/clean perl data associated with a map
1072		1181
1073	*cf::mapsupport::on_clean = sub {	1182	=back
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		1183
1086	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
1087		1185
1088	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
1089		1187
…		…
1102	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
1103		1201
1104	=cut	1202	=cut
1105		1203
1106	sub playerdir($) {	1204	sub playerdir($) {
1107	cf::localdir	1205	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	1207	}
1113		1208
1114	sub path($) {	1209	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		1211
1117	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
1118	}	1213	}
1119		1214
1120	sub find_active($) {	1215	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
1125		1220
1126	sub exists($) {	1221	sub exists($) {
1127	my ($login) = @_;	1222	my ($login) = @_;
1128		1223
1129	$cf::PLAYER{$login}	1224	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1225	or cf::sync_job { !aio_stat path $login }
1131	}	1226	}
1132		1227
1133	sub find($) {	1228	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1229	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1230	my $login = $_[0];
1136		1231
1137	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
1138		1233
1139	$cf::PLAYER{$_[0]} || do {	1234	$cf::PLAYER{$_[0]} || do {
		1235	# rename old playerfiles to new ones
		1236	#TODO: remove when no longer required
		1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1240	aio_unlink +(playerdir $login) . "/$login.pl";
		1241
1140	my $pl = load_pl path $login	1242	my $pl = load_pl path $login
1141	or return;	1243	or return;
1142	$cf::PLAYER{$login} = $pl	1244	$cf::PLAYER{$login} = $pl
1143	}	1245	}
1144	}	1246	}
…		…
1181		1283
1182	=cut	1284	=cut
1183		1285
1184	sub quit_character {	1286	sub quit_character {
1185	my ($pl) = @_;	1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
1186		1290
1187	$pl->{deny_save} = 1;	1291	$pl->{deny_save} = 1;
1188	$pl->password ("*"); # this should lock out the player until we nuked the dir	1292	$pl->password ("*"); # this should lock out the player until we nuked the dir
1189		1293
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1299	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1300	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1301	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1302	delete $cf::PLAYER{$pl->ob->name};
1199	$pl->destroy;	1303	$pl->destroy;
		1304
		1305	my $prefix = qr<^~\Q$name\E/>;
		1306
		1307	# nuke player maps
		1308	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1309
1200	IO::AIO::aio_rmtree $temp;	1310	IO::AIO::aio_rmtree $temp;
		1311	}
		1312
		1313	=item $pl->kick
		1314
		1315	Kicks a player out of the game. This destroys the connection.
		1316
		1317	=cut
		1318
		1319	sub kick {
		1320	my ($pl, $kicker) = @_;
		1321
		1322	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1323	$pl->killer ("kicked");
		1324	$pl->ns->destroy;
1201	}	1325	}
1202		1326
1203	=item cf::player::list_logins	1327	=item cf::player::list_logins
1204		1328
1205	Returns am arrayref of all valid playernames in the system, can take a	1329	Returns am arrayref of all valid playernames in the system, can take a
1206	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1207		1331
1208	=cut	1332	=cut
1209		1333
1210	sub list_logins {	1334	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1336	or return [];
1213		1337
1214	my @logins;	1338	my @logins;
1215		1339
1216	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1225	\@logins	1349	\@logins
1226	}	1350	}
1227		1351
1228	=item $player->maps	1352	=item $player->maps
1229		1353
1230	Returns an arrayref of cf::path's of all maps that are private for this	1354	Returns an arrayref of map paths that are private for this
1231	player. May block.	1355	player. May block.
1232		1356
1233	=cut	1357	=cut
1234		1358
1235	sub maps($) {	1359	sub maps($) {
1236	my ($pl) = @_;	1360	my ($pl) = @_;
		1361
		1362	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1363
1238	my $files = aio_readdir playerdir $pl	1364	my $files = aio_readdir playerdir $pl
1239	or return;	1365	or return;
1240		1366
1241	my @paths;	1367	my @paths;
…		…
1243	for (@$files) {	1369	for (@$files) {
1244	utf8::decode $_;	1370	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1371	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1372	next unless /^$PATH_SEP/o;
1247		1373
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1374	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1375	}
1250		1376
1251	\@paths	1377	\@paths
1252	}	1378	}
1253		1379
		1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1381
		1382	Expand crossfire pod fragments into protocol xml.
		1383
		1384	=cut
		1385
		1386	sub expand_cfpod {
		1387	((my $self), (local $_)) = @_;
		1388
		1389	# escape & and <
		1390	s/&/&amp;/g;
		1391	s/(?<![BIUGH])</&lt;/g;
		1392
		1393	# this is buggy, it needs to properly take care of nested <'s
		1394
		1395	1 while
		1396	# replace B<>, I<>, U<> etc.
		1397	s/B<([^\>]*)>/<b>$1<\/b>/
		1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1400	# replace G<male|female> tags
		1401	|| s{G<([^>|]*)\|([^>]*)>}{
		1402	$self->gender ? $2 : $1
		1403	}ge
		1404	# replace H<hint text>
		1405	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1406
		1407	# create single paragraphs (very hackish)
		1408	s/(?<=\S)\n(?=\w)/ /g;
		1409
		1410	$_
		1411	}
		1412
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1413	=item $player->ext_reply ($msgid, %msg)
1255		1414
1256	Sends an ext reply to the player.	1415	Sends an ext reply to the player.
1257		1416
1258	=cut	1417	=cut
1259		1418
1260	sub ext_reply($$$%) {	1419	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1420	my ($self, $id, %msg) = @_;
1262		1421
1263	$msg{msgid} = $id;	1422	$msg{msgid} = $id;
1264		1423	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1424	}
1267		1425
1268	package cf;	1426	=item $player->ext_event ($type, %msg)
		1427
		1428	Sends an ext event to the client.
		1429
		1430	=cut
		1431
		1432	sub ext_event($$%) {
		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	}
1269		1466
1270	=back	1467	=back
1271
1272		1468
1273	=head3 cf::map	1469	=head3 cf::map
1274		1470
1275	=over 4	1471	=over 4
1276		1472
…		…
1279	package cf::map;	1475	package cf::map;
1280		1476
1281	use Fcntl;	1477	use Fcntl;
1282	use Coro::AIO;	1478	use Coro::AIO;
1283		1479
		1480	use overload
		1481	'""' => \&as_string,
		1482	fallback => 1;
		1483
1284	our $MAX_RESET = 3600;	1484	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1485	our $DEFAULT_RESET = 3000;
1286		1486
1287	sub generate_random_map {	1487	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1488	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1489	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1490	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1491	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1492	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1493	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1494	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1495	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1500	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1501	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1502	)
1305	}	1503	}
1306		1504
		1505	=item cf::map->register ($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
1307	# and all this just because we cannot iterate over	1632	# and all this just because we cannot iterate over
1308	# all maps in C++...	1633	# all maps in C++...
1309	sub change_all_map_light {	1634	sub change_all_map_light {
1310	my ($change) = @_;	1635	my ($change) = @_;
1311		1636
1312	$_->change_map_light ($change)	1637	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1638	for grep $_->outdoor, values %cf::MAP;
1314	}	1639	}
1315		1640
		1641	sub decay_objects {
		1642	my ($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
1316	sub load_map_header($) {	1657	sub load_header_from($) {
1317	my ($path) = @_;	1658	my ($self, $path) = @_;
1318		1659
1319	utf8::encode $path;	1660	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1661	#aio_open $path, O_RDONLY, 0
		1662	# or return;
		1663
		1664	$self->_load_header ($path)
1321	or return;	1665	or return;
1322		1666
1323	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
1324	or return;	1710	or return;
		1711	$self->prepare_orig;
		1712	}
1325		1713
1326	# for better error messages only, will be overwritten later	1714	$self->{deny_reset} = 1
1327	$map->path ($path);	1715	if $self->no_reset;
1328		1716
1329	$map->load_header ($path)	1717	$self->default_region (cf::region::find_by_path $self->{path})
1330	or return;	1718	unless $self->default_region;
1331		1719
1332	$map->{load_path} = $path;	1720	1
1333
1334	$map
1335	}	1721	}
1336		1722
1337	sub find;	1723	sub find;
1338	sub find {	1724	sub find {
1339	my ($path, $origin) = @_;	1725	my ($path, $origin) = @_;
1340		1726
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1727	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1728
1346	cf::lock_wait "map_find:$key";	1729	cf::lock_wait "map_find:$path";
1347		1730
1348	$cf::MAP{$key} || do {	1731	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1732	my $guard = cf::lock_acquire "map_find:$path";
1350		1733	my $map = new_from_path cf::map $path
1351	# do it the slow way
1352	my $map = $path->load_temp;
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	1734	or return;
1365		1735
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	1736	$map->{last_save} = $cf::RUNTIME;
1378		1737
1379	Coro::cede;	1738	$map->load_header
		1739	or return;
1380		1740
1381	if ($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;
1382	$map->reset;	1744	$map->reset;
1383	undef $guard;	1745	undef $guard;
1384	$map = find $path	1746	return find $path;
1385	or return;
1386	}	1747	}
1387		1748
1388	$cf::MAP{$key} = $map	1749	$cf::MAP{$path} = $map
1389	}	1750	}
1390	}	1751	}
		1752
		1753	sub pre_load { }
		1754	sub post_load { }
1391		1755
1392	sub load {	1756	sub load {
1393	my ($self) = @_;	1757	my ($self) = @_;
1394		1758
		1759	local $self->{deny_reset} = 1; # loading can take a long time
		1760
1395	my $path = $self->{path};	1761	my $path = $self->{path};
		1762
		1763	{
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1764	my $guard = cf::lock_acquire "map_load:$path";
1397		1765
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1766	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1767
1400	$self->in_memory (cf::MAP_LOADING);	1768	$self->in_memory (cf::MAP_LOADING);
1401		1769
1402	$self->alloc;	1770	$self->alloc;
		1771
		1772	$self->pre_load;
		1773	Coro::cede;
		1774
1403	$self->load_objects ($self->{load_path}, 1)	1775	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1776	or return;
1405		1777
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1778	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1779	if delete $self->{load_original};
1408		1780
1409	if (my $uniq = $path->uniq_path) {	1781	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1782	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1783	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1784	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1785	$self->_load_objects ($uniq, 0);
1414	}	1786	}
1415	}	1787	}
1416		1788
1417	Coro::cede;	1789	Coro::cede;
1418
1419	# now do the right thing for maps	1790	# now do the right thing for maps
1420	$self->link_multipart_objects;	1791	$self->link_multipart_objects;
1421
1422	if ($self->{path}->is_style_map) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;
1427	$self->fix_auto_apply;
1428	$self->update_buttons;
1429	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1792	$self->difficulty ($self->estimate_difficulty)
1431	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;
1432	$self->activate;	1803	$self->activate;
1433	}	1804	}
1434		1805
1435	Coro::cede;
1436
1437	$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	$self
1438	}	1822	}
1439		1823
1440	# find and load all maps in the 3x3 area around a map	1824	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1825	sub load_diag {
1442	my ($map) = @_;	1826	my ($map) = @_;
…		…
1472		1856
1473	cf::sync_job { $map->load };	1857	cf::sync_job { $map->load };
1474	}	1858	}
1475		1859
1476	our %MAP_PREFETCH;	1860	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = Coro::async {	1861	our $MAP_PREFETCHER = undef;
1478	while () {
1479	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH
1481	or next;
1482	my $path = delete $MAP_PREFETCH{$key};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}
1488	Coro::schedule;
1489	}
1490	};
1491		1862
1492	sub find_async {	1863	sub find_async {
1493	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1494		1865
1495	$path = new cf::path $path, $origin && $origin->path;	1866	$path = normalise $path, $origin && $origin->{path};
1496	my $key = $path->as_string;
1497		1867
1498	if (my $map = $cf::MAP{$key}) {	1868	if (my $map = $cf::MAP{$path}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1869	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}	1870	}
1501		1871
1502	$MAP_PREFETCH{$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	};
1503	$MAP_PREFETCHER->ready;	1885	$MAP_PREFETCHER->prio (6);
1504		1886
1505	()	1887	()
1506	}	1888	}
1507		1889
1508	sub save {	1890	sub save {
…		…
1512		1894
1513	$self->{last_save} = $cf::RUNTIME;	1895	$self->{last_save} = $cf::RUNTIME;
1514		1896
1515	return unless $self->dirty;	1897	return unless $self->dirty;
1516		1898
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1899	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1900	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		1901
1520	$self->{load_path} = $save;	1902	$self->{load_path} = $save;
1521		1903
1522	return if $self->{deny_save};	1904	return if $self->{deny_save};
1523		1905
…		…
1526	cf::async {	1908	cf::async {
1527	$_->contr->save for $self->players;	1909	$_->contr->save for $self->players;
1528	};	1910	};
1529		1911
1530	if ($uniq) {	1912	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1913	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	1914	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	1915	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1916	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	1917	}
1536	}	1918	}
1537		1919
1538	sub swap_out {	1920	sub swap_out {
1539	my ($self) = @_;	1921	my ($self) = @_;
…		…
1553		1935
1554	sub reset_at {	1936	sub reset_at {
1555	my ($self) = @_;	1937	my ($self) = @_;
1556		1938
1557	# TODO: safety, remove and allow resettable per-player maps	1939	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};
1559	return 1e99 if $self->{deny_reset};	1940	return 1e99 if $self->{deny_reset};
1560		1941
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1942	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1943	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		1944
…		…
1568	my ($self) = @_;	1949	my ($self) = @_;
1569		1950
1570	$self->reset_at <= $cf::RUNTIME	1951	$self->reset_at <= $cf::RUNTIME
1571	}	1952	}
1572		1953
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	1954	sub reset {
1587	my ($self) = @_;	1955	my ($self) = @_;
1588		1956
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	1957	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		1958
1591	return if $self->players;	1959	return if $self->players;
1592	return if $self->{path}{user_rel};#d#
1593		1960
1594	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	}
1595		1972
1596	delete $cf::MAP{$self->path};	1973	delete $cf::MAP{$self->path};
1597		1974
		1975	$self->clear;
		1976
1598	$_->clear_links_to ($self) for values %cf::MAP;	1977	$_->clear_links_to ($self) for values %cf::MAP;
1599		1978
1600	$self->{path}->unlink_save;	1979	$self->unlink_save;
1601	$self->destroy;	1980	$self->destroy;
1602	}	1981	}
1603		1982
1604	my $nuke_counter = "aaaa";	1983	my $nuke_counter = "aaaa";
1605		1984
1606	sub nuke {	1985	sub nuke {
1607	my ($self) = @_;	1986	my ($self) = @_;
1608		1987
		1988	delete $cf::MAP{$self->path};
		1989
		1990	$self->unlink_save;
		1991
		1992	bless $self, "cf::map";
		1993	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	1994	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	1995	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	1996	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1997
		1998	$cf::MAP{$self->path} = $self;
		1999
1612	$self->reset; # polite request, might not happen	2000	$self->reset; # polite request, might not happen
1613	}	2001	}
1614		2002
		2003	=item $maps = cf::map::tmp_maps
		2004
		2005	Returns an arrayref with all map paths of currently instantiated and saved
		2006	maps. May block.
		2007
		2008	=cut
		2009
		2010	sub tmp_maps() {
		2011	[
		2012	map {
		2013	utf8::decode $_;
		2014	/\.map$/
		2015	? normalise $_
		2016	: ()
		2017	} @{ aio_readdir $TMPDIR or [] }
		2018	]
		2019	}
		2020
		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	]
		2037	}
		2038
1615	=item cf::map::unique_maps	2039	=item cf::map::unique_maps
1616		2040
1617	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
1618	instantiated unique items. May block.	2042	instantiated unique items. May block.
1619		2043
1620	=cut	2044	=cut
1621		2045
1622	sub unique_maps() {	2046	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2047	[
1624	or return;	2048	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2049	utf8::decode $_;
1630	next if /\.pst$/;	2050	/\.map$/
1631	next unless /^$PATH_SEP/o;	2051	? normalise $_
1632		2052	: ()
1633	push @paths, new cf::path $_;	2053	} @{ aio_readdir $UNIQUEDIR or [] }
1634	}	2054	]
1635
1636	\@paths
1637	}	2055	}
1638		2056
1639	package cf;	2057	package cf;
1640		2058
1641	=back	2059	=back
…		…
1687		2105
1688	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2106	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1689		2107
1690	if ($self->{record_replies}) {	2108	if ($self->{record_replies}) {
1691	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2109	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2110
1692	} 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 {
1693	$msg = $npc->name . " says: $msg" if $npc;	2124	$msg = $npc->name . " says: $msg" if $npc;
1694	$self->message ($msg, $flags);	2125	$self->message ($msg, $flags);
		2126	}
1695	}	2127	}
1696	}	2128	}
1697		2129
1698	=item $player_object->may ("access")	2130	=item $player_object->may ("access")
1699		2131
…		…
1713		2145
1714	=item $player_object->enter_link	2146	=item $player_object->enter_link
1715		2147
1716	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}>).
1717		2149
1718	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
1719	I<MUST> call C<leave_link> as soon as possible, though.	2151	I<MUST> call C<leave_link> as soon as possible, though.
1720		2152
		2153	Will never block.
		2154
1721	=item $player_object->leave_link ($map, $x, $y)	2155	=item $player_object->leave_link ($map, $x, $y)
1722		2156
1723	Moves the player out of the specila link map onto the given map. If the	2157	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	2158	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	2159	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	2160	fails, to the emergency map position.
1727		2161
1728	Might block.	2162	Might block.
1729		2163
1730	=cut	2164	=cut
		2165
		2166	sub link_map {
		2167	unless ($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	$LINK_MAP
		2174	}
1731		2175
1732	sub cf::object::player::enter_link {	2176	sub cf::object::player::enter_link {
1733	my ($self) = @_;	2177	my ($self) = @_;
1734		2178
1735	$self->deactivate_recursive;	2179	$self->deactivate_recursive;
1736		2180
1737	return if $self->map == $LINK_MAP;	2181	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		2182
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2183	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	2184	if $self->map && $self->map->{path} ne "{link}";
1741		2185
1742	$self->enter_map ($LINK_MAP, 20, 20);	2186	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	2187	}
1744		2188
1745	sub cf::object::player::leave_link {	2189	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	2190	my ($self, $map, $x, $y) = @_;
		2191
		2192	return unless $self->contr->active;
1747		2193
1748	my $link_pos = delete $self->{_link_pos};	2194	my $link_pos = delete $self->{_link_pos};
1749		2195
1750	unless ($map) {	2196	unless ($map) {
1751	# restore original map position	2197	# restore original map position
…		…
1769	$map->load;	2215	$map->load;
1770	$map->load_diag;	2216	$map->load_diag;
1771		2217
1772	return unless $self->contr->active;	2218	return unless $self->contr->active;
1773	$self->activate_recursive;	2219	$self->activate_recursive;
		2220
		2221	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	2222	$self->enter_map ($map, $x, $y);
1775	}	2223	}
1776		2224
1777	cf::player->attach (
1778	on_logout => sub {
1779	my ($pl) = @_;
1780
1781	# abort map switching before logout
1782	if ($pl->ob->{_link_pos}) {
1783	cf::sync_job {
1784	$pl->ob->leave_link
1785	};
1786	}
1787	},
1788	on_login => sub {
1789	my ($pl) = @_;
1790
1791	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;
1795	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);
1802	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;
1804	})->prio (2);
1805	}
1806	},
1807	);
1808
1809	=item $player_object->goto ($path, $x, $y)	2225	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1810		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
1811	=cut	2232	=cut
		2233
		2234	our $GOTOGEN;
1812		2235
1813	sub cf::object::player::goto {	2236	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	2237	my ($self, $path, $x, $y, $check) = @_;
1815		2238
1816	$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;
1817		2241
1818	$self->enter_link;	2242	$self->enter_link;
1819		2243
1820	(async {	2244	(async {
		2245	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	2246	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1823		2247
1824	# warn "entering ", $map->path, " at ($x, $y)\n"
1825	# if $map;	2248	if ($map) {
1826		2249	$map = $map->customise_for ($self);
		2250	$map = $check->($map) if $check && $map;
		2251	} else {
1827	$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	}
1828		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};
1829	$self->leave_link ($map, $x, $y);	2265	$self->leave_link ($map, $x, $y);
		2266	}
1830	})->prio (1);	2267	})->prio (1);
1831	}	2268	}
1832		2269
1833	=item $player_object->enter_exit ($exit_object)	2270	=item $player_object->enter_exit ($exit_object)
1834		2271
…		…
1836		2273
1837	sub parse_random_map_params {	2274	sub parse_random_map_params {
1838	my ($spec) = @_;	2275	my ($spec) = @_;
1839		2276
1840	my $rmp = { # defaults	2277	my $rmp = { # defaults
1841	xsize => 10,	2278	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	2279	ysize => (cf::rndm 15, 40),
		2280	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2281	#layout => string,
1843	};	2282	};
1844		2283
1845	for (split /\n/, $spec) {	2284	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	2285	my ($k, $v) = split /\s+/, $_, 2;
1847		2286
…		…
1851	$rmp	2290	$rmp
1852	}	2291	}
1853		2292
1854	sub prepare_random_map {	2293	sub prepare_random_map {
1855	my ($exit) = @_;	2294	my ($exit) = @_;
		2295
		2296	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		2297
1857	# all this does is basically replace the /! path by	2298	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	2299	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	2300	# that depends on the exit object
1860		2301
1861	my $rmp = parse_random_map_params $exit->msg;	2302	my $rmp = parse_random_map_params $exit->msg;
1862		2303
1863	if ($exit->map) {	2304	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2305	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2306	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2307	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2308	$rmp->{origin_y} = $exit->y;
1868	}	2309	}
1869		2310
1870	$rmp->{random_seed} ||= $exit->random_seed;	2311	$rmp->{random_seed} ||= $exit->random_seed;
1871		2312
1872	my $data = cf::to_json $rmp;	2313	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	2314	my $md5 = Digest::MD5::md5_hex $data;
		2315	my $meta = "$RANDOMDIR/$md5.meta";
1874		2316
1875	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) {
1876	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;
1877		2321
1878	$exit->slaying ("?random/$md5");	2322	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2323	$exit->msg (undef);
1880	}	2324	}
1881	}	2325	}
1882		2326
1883	sub cf::object::player::enter_exit {	2327	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2328	my ($self, $exit) = @_;
1885		2329
1886	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;
1887		2342
1888	$self->enter_link;	2343	$self->enter_link;
1889		2344
1890	(async {	2345	(async {
1891	$self->deactivate_recursive; # just to be sure	2346	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	2347	unless (eval {
1893	prepare_random_map $exit	2348	$self->goto ($slaying, $hp, $sp);
1894	if $exit->slaying eq "/!";
1895
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1898		2349
1899	1;	2350	1;
1900	}) {	2351	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2352	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "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. "
1903	. "Please report this to the dungeon master!",	2354	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2355	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2356
1906	warn "ERROR in enter_exit: $@";	2357	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2358	$self->leave_link;
1908	}	2359	}
1909	})->prio (1);	2360	})->prio (1);
…		…
1922		2373
1923	sub cf::client::send_drawinfo {	2374	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2375	my ($self, $text, $flags) = @_;
1925		2376
1926	utf8::encode $text;	2377	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2378	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2379	}
1929		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 " . $self->{json_coder}->encode ([$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 " . $self->{json_coder}->encode (\%msg));
		2430	}
1930		2431
1931	=item $success = $client->query ($flags, "text", \&cb)	2432	=item $success = $client->query ($flags, "text", \&cb)
1932		2433
1933	Queues a query to the client, calling the given callback with	2434	Queues a query to the client, calling the given callback with
1934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2435	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2436	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1936		2437
1937	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
1938	reliable at some point in the future.	2439	become reliable at some point in the future.
1939		2440
1940	=cut	2441	=cut
1941		2442
1942	sub cf::client::query {	2443	sub cf::client::query {
1943	my ($self, $flags, $text, $cb) = @_;	2444	my ($self, $flags, $text, $cb) = @_;
…		…
1951	utf8::encode $text;	2452	utf8::encode $text;
1952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2453	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1953		2454
1954	$self->send_packet ($self->{query_queue}[0][0])	2455	$self->send_packet ($self->{query_queue}[0][0])
1955	if @{ $self->{query_queue} } == 1;	2456	if @{ $self->{query_queue} } == 1;
		2457
		2458	1
1956	}	2459	}
1957		2460
1958	cf::client->attach (	2461	cf::client->attach (
		2462	on_connect => sub {
		2463	my ($ns) = @_;
		2464
		2465	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2466	},
1959	on_reply => sub {	2467	on_reply => sub {
1960	my ($ns, $msg) = @_;	2468	my ($ns, $msg) = @_;
1961		2469
1962	# this weird shuffling is so that direct followup queries	2470	# this weird shuffling is so that direct followup queries
1963	# get handled first	2471	# get handled first
1964	my $queue = delete $ns->{query_queue}	2472	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2473	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2474
1967	(shift @$queue)->[1]->($msg);	2475	(shift @$queue)->[1]->($msg);
		2476	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2477
1969	push @{ $ns->{query_queue} }, @$queue;	2478	push @{ $ns->{query_queue} }, @$queue;
1970		2479
1971	if (@{ $ns->{query_queue} } == @$queue) {	2480	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2481	if (@$queue) {
…		…
1974	} else {	2483	} else {
1975	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2484	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1976	}	2485	}
1977	}	2486	}
1978	},	2487	},
		2488	on_exticmd => sub {
		2489	my ($ns, $buf) = @_;
		2490
		2491	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2492
		2493	if (ref $msg) {
		2494	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2495	if (my %reply = $cb->($ns, $msg)) {
		2496	$reply{msgid} = $msg->{msgid};
		2497	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2498	}
		2499	}
		2500	} else {
		2501	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2502	}
		2503
		2504	cf::override;
		2505	},
1979	);	2506	);
1980		2507
1981	=item $client->async (\&cb)	2508	=item $client->async (\&cb)
1982		2509
1983	Create a new coroutine, running the specified callback. The coroutine will	2510	Create a new coroutine, running the specified callback. The coroutine will
…		…
2030		2557
2031	# here we export the classes and methods available to script code	2558	# here we export the classes and methods available to script code
2032		2559
2033	=pod	2560	=pod
2034		2561
2035	The following fucntions and emthods are available within a safe environment:	2562	The following functions and methods are available within a safe environment:
2036		2563
2037	cf::object contr pay_amount pay_player map	2564	cf::object contr pay_amount pay_player map
2038	cf::object::player player	2565	cf::object::player player
2039	cf::player peaceful	2566	cf::player peaceful
2040	cf::map trigger	2567	cf::map trigger
…		…
2121	=back	2648	=back
2122		2649
2123	=cut	2650	=cut
2124		2651
2125	#############################################################################	2652	#############################################################################
		2653	# the server's init and main functions
2126		2654
2127	=head2 EXTENSION DATABASE SUPPORT	2655	sub load_facedata($) {
		2656	my ($path) = @_;
2128		2657
2129	Crossfire maintains a very simple database for extension use. It can	2658	warn "loading facedata from $path\n";
2130	currently store anything that can be serialised using Storable, which
2131	excludes objects.
2132		2659
2133	The parameter C<$family> should best start with the name of the extension	2660	my $facedata;
2134	using it, it should be unique.	2661	0 < aio_load $path, $facedata
		2662	or die "$path: $!";
2135		2663
2136	=over 4	2664	$facedata = Coro::Storable::thaw $facedata;
2137		2665
2138	=item $hashref = cf::db_get $family	2666	$facedata->{version} == 2
		2667	or cf::cleanup "$path: version mismatch, cannot proceed.";
2139		2668
2140	Return a hashref for use by the extension C<$family>, which can be
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143
2144	=item $value = cf::db_get $family => $key
2145
2146	Returns a single value from the database
2147
2148	=item cf::db_put $family => $hashref
2149
2150	Stores the given family hashref into the database. Updates are delayed, if
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_put $family => $key => $value
2154
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165
2166	=cut
2167
2168	our $DB;
2169
2170	{
2171	my $path = cf::localdir . "/database.pst";
2172
2173	sub db_load() {
2174	$DB = stat $path ? Storable::retrieve $path : { };
2175	}	2669	{
		2670	my $faces = $facedata->{faceinfo};
2176		2671
2177	my $pid;	2672	while (my ($face, $info) = each %$faces) {
2178		2673	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	sub db_save() {	2674	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2180	waitpid $pid, 0 if $pid;	2675	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2181	if (0 == ($pid = fork)) {	2676	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2182	$DB->{_meta}{version} = 1;	2677	Coro::cede;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});
2199
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}
2204
2205	sub db_get($;$) {
2206	@_ >= 2
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210
2211	sub db_put($$;$) {
2212	if (@_ >= 3) {
2213	$DB->{$_[0]}{$_[1]} = $_[2];
2214	} else {
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219
2220	cf::global->attach (
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	2678	}
2225	);
2226	}
2227		2679
2228	#############################################################################	2680	while (my ($face, $info) = each %$faces) {
2229	# the server's main()	2681	next unless $info->{smooth};
		2682	my $idx = cf::face::find $face
		2683	or next;
		2684	if (my $smooth = cf::face::find $info->{smooth}) {
		2685	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2686	} else {
		2687	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2688	}
		2689	Coro::cede;
		2690	}
		2691	}
		2692
		2693	{
		2694	my $anims = $facedata->{animinfo};
		2695
		2696	while (my ($anim, $info) = each %$anims) {
		2697	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2698	Coro::cede;
		2699	}
		2700
		2701	cf::anim::invalidate_all; # d'oh
		2702	}
		2703
		2704	1
		2705	}
		2706
		2707	sub reload_regions {
		2708	load_resource_file "$MAPDIR/regions"
		2709	or die "unable to load regions file\n";
		2710	}
		2711
		2712	sub reload_facedata {
		2713	load_facedata "$DATADIR/facedata"
		2714	or die "unable to load facedata\n";
		2715	}
		2716
		2717	sub reload_archetypes {
		2718	load_resource_file "$DATADIR/archetypes"
		2719	or die "unable to load archetypes\n";
		2720	#d# NEED to laod twice to resolve forward references
		2721	# this really needs to be done in an extra post-pass
		2722	# (which needs to be synchronous, so solve it differently)
		2723	load_resource_file "$DATADIR/archetypes"
		2724	or die "unable to load archetypes\n";
		2725	}
		2726
		2727	sub reload_treasures {
		2728	load_resource_file "$DATADIR/treasures"
		2729	or die "unable to load treasurelists\n";
		2730	}
		2731
		2732	sub reload_resources {
		2733	warn "reloading resource files...\n";
		2734
		2735	reload_regions;
		2736	reload_facedata;
		2737	#reload_archetypes;#d#
		2738	reload_archetypes;
		2739	reload_treasures;
		2740
		2741	warn "finished reloading resource files\n";
		2742	}
		2743
		2744	sub init {
		2745	reload_resources;
		2746	}
2230		2747
2231	sub cfg_load {	2748	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	2749	open my $fh, "<:utf8", "$CONFDIR/config"
2233	or return;	2750	or return;
2234		2751
2235	local $/;	2752	local $/;
2236	*CFG = YAML::Syck::Load <$fh>;	2753	*CFG = YAML::Syck::Load <$fh>;
2237		2754
…		…
2251		2768
2252	sub main {	2769	sub main {
2253	# we must not ever block the main coroutine	2770	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	2771	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2772	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2773	(async {
2256	async { Event::one_event };	2774	Event::one_event;
		2775	})->prio (Coro::PRIO_MAX);
2257	};	2776	};
2258		2777
2259	cfg_load;	2778	cfg_load;
2260	db_load;	2779	db_init;
2261	load_extensions;	2780	load_extensions;
		2781
		2782	$TICK_WATCHER->start;
2262	Event::loop;	2783	Event::loop;
2263	}	2784	}
2264		2785
2265	#############################################################################	2786	#############################################################################
2266	# initialisation and cleanup	2787	# initialisation and cleanup
2267		2788
2268	# install some emergency cleanup handlers	2789	# install some emergency cleanup handlers
2269	BEGIN {	2790	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	2791	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	2792	Event->signal (
		2793	reentrant => 0,
2272	data => WF_AUTOCANCEL,	2794	data => WF_AUTOCANCEL,
2273	signal => $signal,	2795	signal => $signal,
		2796	prio => 0,
2274	cb => sub {	2797	cb => sub {
2275	cf::cleanup "SIG$signal";	2798	cf::cleanup "SIG$signal";
2276	},	2799	},
2277	);	2800	);
2278	}	2801	}
2279	}	2802	}
2280		2803
		2804	sub write_runtime {
		2805	my $runtime = "$LOCALDIR/runtime";
		2806
		2807	# first touch the runtime file to show we are still running:
		2808	# the fsync below can take a very very long time.
		2809
		2810	IO::AIO::aio_utime $runtime, undef, undef;
		2811
		2812	my $guard = cf::lock_acquire "write_runtime";
		2813
		2814	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2815	or return;
		2816
		2817	my $value = $cf::RUNTIME + 90 + 10;
		2818	# 10 is the runtime save interval, for a monotonic clock
		2819	# 60 allows for the watchdog to kill the server.
		2820
		2821	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2822	and return;
		2823
		2824	# always fsync - this file is important
		2825	aio_fsync $fh
		2826	and return;
		2827
		2828	# touch it again to show we are up-to-date
		2829	aio_utime $fh, undef, undef;
		2830
		2831	close $fh
		2832	or return;
		2833
		2834	aio_rename "$runtime~", $runtime
		2835	and return;
		2836
		2837	warn "runtime file written.\n";
		2838
		2839	1
		2840	}
		2841
2281	sub emergency_save() {	2842	sub emergency_save() {
2282	my $freeze_guard = cf::freeze_mainloop;	2843	my $freeze_guard = cf::freeze_mainloop;
2283		2844
2284	warn "enter emergency perl save\n";	2845	warn "enter emergency perl save\n";
2285		2846
2286	cf::sync_job {	2847	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	2848	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	2849	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	2850	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	2851	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	2852	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	2853	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	2854	$pl->valid or next;
2294	$pl->save;	2855	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	2861	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	2862	$map->valid or next;
2302	$map->save;	2863	$map->save;
2303	}	2864	}
2304	warn "end emergency map save\n";	2865	warn "end emergency map save\n";
		2866
		2867	warn "begin emergency database checkpoint\n";
		2868	BDB::db_env_txn_checkpoint $DB_ENV;
		2869	warn "end emergency database checkpoint\n";
2305	};	2870	};
2306		2871
2307	warn "leave emergency perl save\n";	2872	warn "leave emergency perl save\n";
2308	}	2873	}
2309		2874
		2875	sub post_cleanup {
		2876	my ($make_core) = @_;
		2877
		2878	warn Carp::longmess "post_cleanup backtrace"
		2879	if $make_core;
		2880	}
		2881
2310	sub reload() {	2882	sub do_reload_perl() {
2311	# can/must only be called in main	2883	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	2884	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	2885	warn "can only reload from main coroutine";
2314	return;	2886	return;
2315	}	2887	}
2316		2888
2317	warn "reloading...";	2889	warn "reloading...";
2318		2890
2319	warn "freezing server";	2891	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	2892
		2893	cf::sync_job {
		2894	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2895	cf::emergency_save;
		2896	cf::write_runtime; # external watchdog should not bark
2322		2897
2323	warn "sync database to disk";	2898	warn "syncing database to disk";
2324	cf::db_sync;	2899	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		2900
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	2901	# if anything goes wrong in here, we should simply crash as we already saved
2329		2902
2330	warn "cancel all watchers";	2903	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	2904	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	2905	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	2906	}
2334		2907
		2908	warn "flushing outstanding aio requests";
		2909	for (;;) {
		2910	BDB::flush;
		2911	IO::AIO::flush;
		2912	Coro::cede;
		2913	last unless IO::AIO::nreqs || BDB::nreqs;
		2914	warn "iterate...";
		2915	}
		2916
		2917	++$RELOAD;
		2918
2335	warn "cancel all extension coros";	2919	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	2920	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	2921	%EXT_CORO = ();
2338		2922
2339	warn "remove commands";	2923	warn "removing commands";
2340	%COMMAND = ();	2924	%COMMAND = ();
2341		2925
2342	warn "remove ext commands";	2926	warn "removing ext/exti commands";
2343	%EXTCMD = ();	2927	%EXTCMD = ();
		2928	%EXTICMD = ();
2344		2929
2345	warn "unload/nuke all extensions";	2930	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	2931	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	2932	warn "... unloading $pkg";
2348		2933
2349	if (my $cb = $pkg->can ("unload")) {	2934	if (my $cb = $pkg->can ("unload")) {
2350	eval {	2935	eval {
…		…
2355		2940
2356	warn "... nuking $pkg";	2941	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	2942	Symbol::delete_package $pkg;
2358	}	2943	}
2359		2944
2360	warn "unload all perl modules loaded from $LIBDIR";	2945	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	2946	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2947	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		2948
2364	warn "removing <$k>";	2949	warn "... unloading $k";
2365	delete $INC{$k};	2950	delete $INC{$k};
2366		2951
2367	$k =~ s/\.pm$//;	2952	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	2953	$k =~ s/\//::/g;
2369		2954
…		…
2372	}	2957	}
2373		2958
2374	Symbol::delete_package $k;	2959	Symbol::delete_package $k;
2375	}	2960	}
2376		2961
2377	warn "get rid of safe::, as good as possible";	2962	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	2963	Symbol::delete_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2964	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		2965
2381	warn "unload cf.pm \"a bit\"";	2966	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	2967	delete $INC{"cf.pm"};
		2968	delete $INC{"cf/pod.pm"};
2383		2969
2384	# don't, removes xs symbols, too,	2970	# don't, removes xs symbols, too,
2385	# and global variables created in xs	2971	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	2972	#Symbol::delete_package __PACKAGE__;
2387		2973
		2974	warn "unload completed, starting to reload now";
		2975
2388	warn "reloading cf.pm";	2976	warn "reloading cf.pm";
2389	require cf;	2977	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2978	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		2979
2392	warn "load config and database again";	2980	warn "loading config and database again";
2393	cf::cfg_load;	2981	cf::cfg_load;
2394	cf::db_load;
2395		2982
2396	warn "load extensions";	2983	warn "loading extensions";
2397	cf::load_extensions;	2984	cf::load_extensions;
2398		2985
2399	warn "reattach attachments to objects/players";	2986	warn "reattaching attachments to objects/players";
2400	_global_reattach;	2987	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	2988	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	2989	reattach $_ for values %MAP;
2403	};	2990	warn "reattaching attachments to players";
		2991	reattach $_ for values %PLAYER;
2404		2992
2405	if ($@) {	2993	warn "leaving sync_job";
		2994
		2995	1
		2996	} or do {
2406	warn $@;	2997	warn $@;
2407	warn "error while reloading, exiting.";	2998	warn "error while reloading, exiting.";
2408	exit 1;	2999	exit 1;
2409	}	3000	};
2410		3001
2411	warn "reloaded";	3002	warn "reloaded";
2412	};	3003	};
2413		3004
2414	#############################################################################	3005	our $RELOAD_WATCHER; # used only during reload
2415		3006
2416	unless ($LINK_MAP) {	3007	sub reload_perl() {
2417	$LINK_MAP = cf::map::new;	3008	# doing reload synchronously and two reloads happen back-to-back,
		3009	# coro crashes during coro_state_free->destroy here.
2418		3010
2419	$LINK_MAP->width (41);	3011	$RELOAD_WATCHER ||= Event->timer (
2420	$LINK_MAP->height (41);	3012	reentrant => 0,
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,	3013	after => 0,
		3014	data => WF_AUTOCANCEL,
2429	cb => sub {	3015	cb => sub {
2430	$_[0]->w->cancel;	3016	do_reload_perl;
2431		3017	undef $RELOAD_WATCHER;
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});	3018	},
2450		3019	);
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	3020	}
2456		3021
2457	register_command "reload" => sub {	3022	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3023	my ($who, $arg) = @_;
2459		3024
2460	if ($who->flag (FLAG_WIZ)) {	3025	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	3026	$who->message ("reloading server.");
		3027	async { reload_perl };
2464	}	3028	}
2465	};	3029	};
2466		3030
2467	unshift @INC, $LIBDIR;	3031	unshift @INC, $LIBDIR;
2468		3032
		3033	my $bug_warning = 0;
		3034
		3035	our @WAIT_FOR_TICK;
		3036	our @WAIT_FOR_TICK_BEGIN;
		3037
		3038	sub wait_for_tick {
		3039	return unless $TICK_WATCHER->is_active;
		3040	return if $Coro::current == $Coro::main;
		3041
		3042	my $signal = new Coro::Signal;
		3043	push @WAIT_FOR_TICK, $signal;
		3044	$signal->wait;
		3045	}
		3046
		3047	sub wait_for_tick_begin {
		3048	return unless $TICK_WATCHER->is_active;
		3049	return if $Coro::current == $Coro::main;
		3050
		3051	my $signal = new Coro::Signal;
		3052	push @WAIT_FOR_TICK_BEGIN, $signal;
		3053	$signal->wait;
		3054	}
		3055
		3056	my $min = 1e6;#d#
		3057	my $avg = 10;
2469	$TICK_WATCHER = Event->timer (	3058	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	3059	reentrant => 0,
		3060	parked => 1,
2471	prio => 0,	3061	prio => 0,
2472	at => $NEXT_TICK || $TICK,	3062	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	3063	data => WF_AUTOCANCEL,
2474	cb => sub {	3064	cb => sub {
		3065	if ($Coro::current != $Coro::main) {
		3066	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3067	unless ++$bug_warning > 10;
		3068	return;
		3069	}
		3070
2475	$NOW = Event::time;	3071	$NOW = $tick_start = Event::time;
2476		3072
2477	cf::server_tick; # one server iteration	3073	cf::server_tick; # one server iteration
		3074
		3075	0 && sync_job {#d#
		3076	for(1..10) {
		3077	my $t = Event::time;
		3078	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3079	or die;
		3080
		3081	$map->width (50);
		3082	$map->height (50);
		3083	$map->alloc;
		3084	$map->_load_objects ("/tmp/x.map", 1);
		3085	my $t = Event::time - $t;
		3086
		3087	#next unless $t < 0.0013;#d#
		3088	if ($t < $min) {
		3089	$min = $t;
		3090	}
		3091	$avg = $avg * 0.99 + $t * 0.01;
		3092	}
		3093	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3094	exit 0;
		3095	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3096	};
		3097
2478	$RUNTIME += $TICK;	3098	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	3099	$NEXT_TICK += $TICK;
2480		3100
2481	$WAIT_FOR_TICK->broadcast;	3101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3102	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3103	Coro::async_pool {
		3104	write_runtime
		3105	or warn "ERROR: unable to write runtime file: $!";
		3106	};
		3107	}
		3108
		3109	# my $AFTER = Event::time;
		3110	# warn $AFTER - $NOW;#d#
		3111
		3112	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3113	$sig->send;
		3114	}
		3115	while (my $sig = shift @WAIT_FOR_TICK) {
		3116	$sig->send;
		3117	}
		3118
		3119	$NOW = Event::time;
2483		3120
2484	# if we are delayed by four ticks or more, skip them all	3121	# if we are delayed by four ticks or more, skip them all
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3122	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2486		3123
2487	$TICK_WATCHER->at ($NEXT_TICK);	3124	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	3125	$TICK_WATCHER->start;
		3126
		3127	$LOAD = ($NOW - $tick_start) / $TICK;
		3128	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3129
		3130	_post_tick;
		3131
		3132
2489	},	3133	},
2490	);	3134	);
2491		3135
		3136	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	3137	BDB::max_poll_time $TICK * 0.1;
2493		3138	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	3139	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	3140	fd => BDB::poll_fileno,
2496	poll => 'r',	3141	poll => 'r',
2497	prio => 5,	3142	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	3143	data => WF_AUTOCANCEL,
2504	after => 0,	3144	cb => \&BDB::poll_cb,
2505	interval => 10,	3145	);
2506	cb => sub {	3146	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	3147
2508	write_runtime	3148	BDB::set_sync_prepare {
2509	or warn "ERROR: unable to write runtime file: $!";	3149	my $status;
		3150	my $current = $Coro::current;
		3151	(
		3152	sub {
		3153	$status = $!;
		3154	$current->ready; undef $current;
		3155	},
		3156	sub {
		3157	Coro::schedule while defined $current;
		3158	$! = $status;
		3159	},
		3160	)
		3161	};
		3162
		3163	unless ($DB_ENV) {
		3164	$DB_ENV = BDB::db_env_create;
		3165
		3166	cf::sync_job {
		3167	eval {
		3168	BDB::db_env_open
		3169	$DB_ENV,
		3170	$BDBDIR,
		3171	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3172	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3173	0666;
		3174
		3175	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3176
		3177	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3178	$DB_ENV->set_lk_detect;
		3179	};
		3180
		3181	cf::cleanup "db_env_open(db): $@" if $@;
2510	})->();	3182	};
2511	},	3183	}
2512	);	3184	}
		3185
		3186	{
		3187	IO::AIO::min_parallel 8;
		3188
		3189	undef $Coro::AIO::WATCHER;
		3190	IO::AIO::max_poll_time $TICK * 0.1;
		3191	$AIO_POLL_WATCHER = Event->io (
		3192	reentrant => 0,
		3193	data => WF_AUTOCANCEL,
		3194	fd => IO::AIO::poll_fileno,
		3195	poll => 'r',
		3196	prio => 6,
		3197	cb => \&IO::AIO::poll_cb,
		3198	);
		3199	}
		3200
		3201	my $_log_backtrace;
		3202
		3203	sub _log_backtrace {
		3204	my ($msg, @addr) = @_;
		3205
		3206	$msg =~ s/\n//;
		3207
		3208	# limit the # of concurrent backtraces
		3209	if ($_log_backtrace < 2) {
		3210	++$_log_backtrace;
		3211	async {
		3212	my @bt = fork_call {
		3213	@addr = map { sprintf "%x", $_ } @addr;
		3214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3215	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3216	or die "addr2line: $!";
		3217
		3218	my @funcs;
		3219	my @res = <$fh>;
		3220	chomp for @res;
		3221	while (@res) {
		3222	my ($func, $line) = splice @res, 0, 2, ();
		3223	push @funcs, "[$func] $line";
		3224	}
		3225
		3226	@funcs
		3227	};
		3228
		3229	LOG llevInfo, "[ABT] $msg\n";
		3230	LOG llevInfo, "[ABT] $_\n" for @bt;
		3231	--$_log_backtrace;
		3232	};
		3233	} else {
		3234	LOG llevInfo, "[ABT] $msg\n";
		3235	LOG llevInfo, "[ABT] [suppressed]\n";
		3236	}
		3237	}
		3238
		3239	# load additional modules
		3240	use cf::pod;
2513		3241
2514	END { cf::emergency_save }	3242	END { cf::emergency_save }
2515		3243
2516	1	3244	1
2517		3245

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