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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.194 by root, Wed Jan 24 22:42:49 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 3.5 ();	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;
49	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	78	our $NEXT_TICK;
52	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;
53		84
54	our %CFG;	85	our %CFG;
55		86
56	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	88	our $RUNTIME;
58		89
59	our %PLAYER; # all users	90	our %PLAYER; # all users
60	our %MAP; # all maps	91	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	92	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		93
67	# used to convert map paths into valid unix filenames by replacing / by ∕	94	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		100
70	binmode STDOUT;	101	binmode STDOUT;
71	binmode STDERR;	102	binmode STDERR;
72		103
73	# read virtual server time, if available	104	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
78	}	109	}
79		110
80	mkdir cf::localdir;	111	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		113
86	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
		115
		116	sub cf::map::normalise;
87		117
88	#############################################################################	118	#############################################################################
89		119
90	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
91		121
…		…
98	=item $cf::RUNTIME	128	=item $cf::RUNTIME
99		129
100	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
101	every server tick.	131	every server tick.
102		132
103	=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
104		136
105	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		141
108	=item $cf::NOW	142	=item $cf::NOW
109		143
110	The time of the last (current) server tick.	144	The time of the last (current) server tick.
111		145
112	=item $cf::TICK	146	=item $cf::TICK
113		147
114	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.
115		159
116	=item %cf::CFG	160	=item %cf::CFG
117		161
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	163	from wherever your confdir points to.
120		164
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		166
123	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
124	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
125	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.
126	window of cpu time available, or simply to synchronise to the server tick.
127		170
128	=back	171	=back
129		172
130	=cut	173	=cut
131		174
132	BEGIN {	175	BEGIN {
133	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	177	my $msg = join "", @_;
135	utf8::encode $msg;
136		178
137	$msg .= "\n"	179	$msg .= "\n"
138	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
139		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
140	LOG llevError, $msg;	185	LOG llevError, $msg;
141	};	186	};
142	}	187	}
143		188
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		196
151	# 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
152	# within the Safe compartment.	198	# within the Safe compartment.
153	for my $pkg (qw(	199	for my $pkg (qw(
154	cf::global cf::attachable	200	cf::global cf::attachable
…		…
162	}	208	}
163		209
164	$Event::DIED = sub {	210	$Event::DIED = sub {
165	warn "error in event callback: @_";	211	warn "error in event callback: @_";
166	};	212	};
		213
		214	#############################################################################
167		215
168	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
169		217
170	=over 4	218	=over 4
171		219
…		…
190	$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;
191	$d	239	$d
192	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
193	}	241	}
194		242
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
198		244
199	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
200		246
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
209		248
210	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
211		250
212	=cut	251	=cut
213		252
214	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
216	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
218		257
219	=item cf::lock_wait $string	258	=item cf::lock_wait $string
220		259
221	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
222		261
…		…
228	returned.	267	returned.
229		268
230	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
231	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
232		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
233	=cut	276	=cut
234		277
235	our %LOCK;	278	our %LOCK;
236		279
237	sub lock_wait($) {	280	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
258	}	301	}
259	}	302	}
260		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
261	sub freeze_mainloop {	310	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
263		312
264	my $guard = Coro::guard {	313	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	314	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	315	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
270	$guard	317	$guard
271	}	318	}
272		319
273	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
280		327
281	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
282		329
283	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
284		331
285	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
288		336
289	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
292	fast or be very important.	340	fast or be very important.
…		…
295		343
296	sub sync_job(&) {	344	sub sync_job(&) {
297	my ($job) = @_;	345	my ($job) = @_;
298		346
299	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
300	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
302		352
303	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
315		365
316	while ($busy) {	366	while ($busy) {
317	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
318	}	368	}
319		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
320	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
321	} else {	378	} else {
322	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
323		380
324	$job->()	381	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
344		401
345	$coro	402	$coro
346	}	403	}
347		404
348	sub write_runtime {	405	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		406
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
352	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.
353		411
354	my $value = $cf::RUNTIME + 90 + 10;	412	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		413
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	414	sub fork_call(&@) {
359	and return;	415	my ($cb, @args) = @_;
360		416
361	aio_fsync $fh	417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
362	and return;	418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
363		421
		422	if (my $pid = fork) {
364	close $fh	423	close $fh2;
365	or return;
366		424
367	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
368	and return;	426	$res = Coro::Storable::thaw $res;
369		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
370	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		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 });
371	}	574	}
372		575
373	=back	576	=back
374		577
375	=cut	578	=cut
…		…
382	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")
383	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
384		587
385	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>
386	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
387	crossfire+).	590	Crossfire TRT).
388		591
389	=over 4	592	=over 4
390		593
391	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
392		595
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
556		759
557	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		764
562	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	766	my $pkg = shift @arg;
564		767
565	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
595	}	798	}
596		799
597	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
598	} else {	801	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	803	}
601		804
602	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
603	}	806	}
604		807
…		…
606	if (ref $_[0]) {	809	if (ref $_[0]) {
607	_object_attach @_;	810	_object_attach @_;
608	} else {	811	} else {
609	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
610	}	813	}
		814	_recalc_want;
611	};	815	};
612		816
613	# all those should be optimised	817	# all those should be optimised
614	sub cf::attachable::detach {	818	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
619	reattach ($obj);	823	reattach ($obj);
620	} else {	824	} else {
621	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
622	}	826	}
		827	_recalc_want;
623	};	828	};
624		829
625	sub cf::attachable::attached {	830	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
627		832
…		…
750	$filename, length $$rdata, scalar @$objs;	955	$filename, length $$rdata, scalar @$objs;
751		956
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	960	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	961	close $fh;
757		962
758	if (@$objs) {	963	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	965	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	966	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	967	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	968	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	969	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	970	aio_rename "$filename.pst~", "$filename.pst";
766	}	971	}
767	} else {	972	} else {
768	aio_unlink "$filename.pst";	973	aio_unlink "$filename.pst";
…		…
800	or return;	1005	or return;
801	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1007	}
803		1008
804	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	1011	return ($data, $av);
807	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
808		1019
809	#############################################################################	1020	#############################################################################
810	# command handling &c	1021	# command handling &c
811		1022
812	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1037	}
827		1038
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1040
830	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.
831		1046
832	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
833	called.	1048	called.
834		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
835	=cut	1061	=cut
836		1062
837	sub register_extcmd {	1063	sub register_extcmd {
838	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
839		1065
840	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
841	}	1073	}
842		1074
843	cf::player->attach (	1075	cf::player->attach (
844	on_command => sub {	1076	on_command => sub {
845	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1086	cf::override;
855	},	1087	},
856	on_extcmd => sub {	1088	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
858		1090
859	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1092
861	if (ref $msg) {	1093	if (ref $msg) {
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
863	if (my %reply = $cb->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
864	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
870		1102
871	cf::override;	1103	cf::override;
872	},	1104	},
873	);	1105	);
874		1106
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
910	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1112	next unless -r $path;
912	eval {	1113
913	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;
914	1	1171	}
915	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
916	}	1177	};
917	}	1178	}
918		1179
919	#############################################################################	1180	#############################################################################
920		1181
		1182	=back
		1183
921	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
922		1185
923	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
924		1187
925	=cut	1188	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
938		1201
939	=cut	1202	=cut
940		1203
941	sub playerdir($) {	1204	sub playerdir($) {
942	cf::localdir	1205	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1207	}
948		1208
949	sub path($) {	1209	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1211
952	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
953	}	1213	}
954		1214
955	sub find_active($) {	1215	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1230	my $login = $_[0];
971		1231
972	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
973		1233
974	$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
975	my $pl = load_pl path $login	1242	my $pl = load_pl path $login
976	or return;	1243	or return;
977	$cf::PLAYER{$login} = $pl	1244	$cf::PLAYER{$login} = $pl
978	}	1245	}
979	}	1246	}
…		…
1016		1283
1017	=cut	1284	=cut
1018		1285
1019	sub quit_character {	1286	sub quit_character {
1020	my ($pl) = @_;	1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
1021		1290
1022	$pl->{deny_save} = 1;	1291	$pl->{deny_save} = 1;
1023	$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
1024		1293
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1299	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1300	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1301	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1302	delete $cf::PLAYER{$pl->ob->name};
1034	$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
1035	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;
1036	}	1325	}
1037		1326
1038	=item cf::player::list_logins	1327	=item cf::player::list_logins
1039		1328
1040	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
1041	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1042		1331
1043	=cut	1332	=cut
1044		1333
1045	sub list_logins {	1334	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1336	or return [];
1048		1337
1049	my @logins;	1338	my @logins;
1050		1339
1051	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1068	=cut	1357	=cut
1069		1358
1070	sub maps($) {	1359	sub maps($) {
1071	my ($pl) = @_;	1360	my ($pl) = @_;
1072		1361
		1362	$pl = ref $pl ? $pl->ob->name : $pl;
		1363
1073	my $files = aio_readdir playerdir $pl	1364	my $files = aio_readdir playerdir $pl
1074	or return;	1365	or return;
1075		1366
1076	my @paths;	1367	my @paths;
1077		1368
1078	for (@$files) {	1369	for (@$files) {
1079	utf8::decode $_;	1370	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1371	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1372	next unless /^$PATH_SEP/o;
1082		1373
1083	s/\.map$//;	1374	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1375	}
1086		1376
1087	\@paths	1377	\@paths
1088	}	1378	}
1089		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
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1413	=item $player->ext_reply ($msgid, %msg)
1091		1414
1092	Sends an ext reply to the player.	1415	Sends an ext reply to the player.
1093		1416
1094	=cut	1417	=cut
1095		1418
1096	sub ext_reply($$$%) {	1419	sub ext_reply($$%) {
1097	my ($self, $id, %msg) = @_;	1420	my ($self, $id, %msg) = @_;
1098		1421
1099	$msg{msgid} = $id;	1422	$msg{msgid} = $id;
1100		1423	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1424	}
1103		1425
1104	package cf;	1426	=item $player->ext_event ($type, %msg)
		1427
		1428	Sends an ext event to the client.
		1429
		1430	=cut
		1431
		1432	sub ext_event($$%) {
		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	$match
		1465	}
1105		1466
1106	=back	1467	=back
1107
1108		1468
1109	=head3 cf::map	1469	=head3 cf::map
1110		1470
1111	=over 4	1471	=over 4
1112		1472
…		…
1167	my ($self, $merge) = @_;	1527	my ($self, $merge) = @_;
1168		1528
1169	# we have to keep some variables in memory intact	1529	# we have to keep some variables in memory intact
1170	local $self->{path};	1530	local $self->{path};
1171	local $self->{load_path};	1531	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1532
1175	$self->SUPER::thawer_merge ($merge);	1533	$self->SUPER::thawer_merge ($merge);
1176	}	1534	}
1177		1535
1178	sub normalise {	1536	sub normalise {
1179	my ($path, $base) = @_;	1537	my ($path, $base) = @_;
1180		1538
1181	$path = "$path"; # make sure its a string	1539	$path = "$path"; # make sure its a string
		1540
		1541	$path =~ s/\.map$//;
1182		1542
1183	# map plan:	1543	# map plan:
1184	#	1544	#
1185	# /! non-realised random map exit (special hack!)	1545	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1546	# {... are special paths that are not being touched
…		…
1248		1608
1249	# the original (read-only) location	1609	# the original (read-only) location
1250	sub load_path {	1610	sub load_path {
1251	my ($self) = @_;	1611	my ($self) = @_;
1252		1612
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1613	"$MAPDIR/$self->{path}.map"
1254	}	1614	}
1255		1615
1256	# the temporary/swap location	1616	# the temporary/swap location
1257	sub save_path {	1617	sub save_path {
1258	my ($self) = @_;	1618	my ($self) = @_;
1259		1619
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1620	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1621	"$TMPDIR/$path.map"
1262	}	1622	}
1263		1623
1264	# the unique path, undef == no special unique path	1624	# the unique path, undef == no special unique path
1265	sub uniq_path {	1625	sub uniq_path {
1266	my ($self) = @_;	1626	my ($self) = @_;
1267		1627
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1628	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1629	"$UNIQUEDIR/$path"
1270	}	1630	}
1271		1631
1272	# and all this just because we cannot iterate over	1632	# and all this just because we cannot iterate over
1273	# all maps in C++...	1633	# all maps in C++...
1274	sub change_all_map_light {	1634	sub change_all_map_light {
…		…
1276		1636
1277	$_->change_map_light ($change)	1637	$_->change_map_light ($change)
1278	for grep $_->outdoor, values %cf::MAP;	1638	for grep $_->outdoor, values %cf::MAP;
1279	}	1639	}
1280		1640
		1641	sub decay_objects {
		1642	my ($self) = @_;
		1643
		1644	return if $self->{deny_reset};
		1645
		1646	$self->do_decay_objects;
		1647	}
		1648
1281	sub unlink_save {	1649	sub unlink_save {
1282	my ($self) = @_;	1650	my ($self) = @_;
1283		1651
1284	utf8::encode (my $save = $self->save_path);	1652	utf8::encode (my $save = $self->save_path);
1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1653	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1288		1656
1289	sub load_header_from($) {	1657	sub load_header_from($) {
1290	my ($self, $path) = @_;	1658	my ($self, $path) = @_;
1291		1659
1292	utf8::encode $path;	1660	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1661	#aio_open $path, O_RDONLY, 0
1294	or return;	1662	# or return;
1295		1663
1296	$self->_load_header ($path)	1664	$self->_load_header ($path)
1297	or return;	1665	or return;
1298		1666
1299	$self->{load_path} = $path;	1667	$self->{load_path} = $path;
…		…
1341	$self->load_header_orig	1709	$self->load_header_orig
1342	or return;	1710	or return;
1343	$self->prepare_orig;	1711	$self->prepare_orig;
1344	}	1712	}
1345		1713
		1714	$self->{deny_reset} = 1
		1715	if $self->no_reset;
		1716
		1717	$self->default_region (cf::region::find_by_path $self->{path})
		1718	unless $self->default_region;
		1719
1346	1	1720	1
1347	}	1721	}
1348		1722
1349	sub find;	1723	sub find;
1350	sub find {	1724	sub find {
…		…
1362	$map->{last_save} = $cf::RUNTIME;	1736	$map->{last_save} = $cf::RUNTIME;
1363		1737
1364	$map->load_header	1738	$map->load_header
1365	or return;	1739	or return;
1366		1740
1367	if ($map->should_reset) {	1741	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	1742	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	1743	#$cf::WAIT_FOR_TICK->wait;
1370	$map->reset;	1744	$map->reset;
1371	undef $guard;	1745	undef $guard;
1372	return find $path;	1746	return find $path;
…		…
1380	sub post_load { }	1754	sub post_load { }
1381		1755
1382	sub load {	1756	sub load {
1383	my ($self) = @_;	1757	my ($self) = @_;
1384		1758
		1759	local $self->{deny_reset} = 1; # loading can take a long time
		1760
1385	my $path = $self->{path};	1761	my $path = $self->{path};
		1762
		1763	{
1386	my $guard = cf::lock_acquire "map_load:$path";	1764	my $guard = cf::lock_acquire "map_load:$path";
1387		1765
1388	return if $self->in_memory != cf::MAP_SWAPPED;	1766	return if $self->in_memory != cf::MAP_SWAPPED;
1389		1767
1390	$self->in_memory (cf::MAP_LOADING);	1768	$self->in_memory (cf::MAP_LOADING);
1391		1769
1392	$self->alloc;	1770	$self->alloc;
1393		1771
1394	$self->pre_load;	1772	$self->pre_load;
1395
1396	$self->_load_objects ($self->{load_path}, 1)
1397	or return;
1398
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1400	if delete $self->{load_original};
1401
1402	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {
1405	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);
1407	}
1408	}
1409
1410	Coro::cede;
1411
1412	# now do the right thing for maps
1413	$self->link_multipart_objects;
1414
1415	unless ($self->{deny_activate}) {
1416	$self->decay_objects;
1417	$self->fix_auto_apply;
1418	$self->update_buttons;
1419	Coro::cede;	1773	Coro::cede;
1420	$self->set_darkness_map;	1774
		1775	$self->_load_objects ($self->{load_path}, 1)
		1776	or return;
		1777
		1778	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1779	if delete $self->{load_original};
		1780
		1781	if (my $uniq = $self->uniq_path) {
		1782	utf8::encode $uniq;
		1783	if (aio_open $uniq, O_RDONLY, 0) {
		1784	$self->clear_unique_items;
		1785	$self->_load_objects ($uniq, 0);
		1786	}
		1787	}
		1788
		1789	Coro::cede;
		1790	# now do the right thing for maps
		1791	$self->link_multipart_objects;
1421	$self->difficulty ($self->estimate_difficulty)	1792	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	1793	unless $self->difficulty;
1423	Coro::cede;	1794	Coro::cede;
		1795
		1796	unless ($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;
1424	$self->activate;	1803	$self->activate;
		1804	}
		1805
		1806	$self->in_memory (cf::MAP_IN_MEMORY);
1425	}	1807	}
1426		1808
1427	$self->post_load;	1809	$self->post_load;
1428
1429	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	1810	}
1431		1811
1432	sub customise_for {	1812	sub customise_for {
1433	my ($self, $ob) = @_;	1813	my ($self, $ob) = @_;
1434		1814
1435	return find "~" . $ob->name . "/" . $self->{path}	1815	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	1816	if $self->per_player;
		1817
		1818	# return find "?party/" . $ob->name . "/" . $self->{path}
		1819	# if $self->per_party;
1437		1820
1438	$self	1821	$self
1439	}	1822	}
1440		1823
1441	# find and load all maps in the 3x3 area around a map	1824	# find and load all maps in the 3x3 area around a map
…		…
1552		1935
1553	sub reset_at {	1936	sub reset_at {
1554	my ($self) = @_;	1937	my ($self) = @_;
1555		1938
1556	# TODO: safety, remove and allow resettable per-player maps	1939	# TODO: safety, remove and allow resettable per-player maps
1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1558	return 1e99 if $self->{deny_reset};	1940	return 1e99 if $self->{deny_reset};
1559		1941
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1942	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1943	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1562		1944
…		…
1573	my ($self) = @_;	1955	my ($self) = @_;
1574		1956
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	1957	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		1958
1577	return if $self->players;	1959	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		1960
1580	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	}
1581		1972
1582	delete $cf::MAP{$self->path};	1973	delete $cf::MAP{$self->path};
1583		1974
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	$self->clear;	1975	$self->clear;
1586		1976
1587	$_->clear_links_to ($self) for values %cf::MAP;	1977	$_->clear_links_to ($self) for values %cf::MAP;
1588		1978
1589	$self->unlink_save;	1979	$self->unlink_save;
…		…
1608	$cf::MAP{$self->path} = $self;	1998	$cf::MAP{$self->path} = $self;
1609		1999
1610	$self->reset; # polite request, might not happen	2000	$self->reset; # polite request, might not happen
1611	}	2001	}
1612		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
1613	=item cf::map::unique_maps	2039	=item cf::map::unique_maps
1614		2040
1615	Returns an arrayref of paths of all shared maps that have	2041	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2042	instantiated unique items. May block.
1617		2043
1618	=cut	2044	=cut
1619		2045
1620	sub unique_maps() {	2046	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2047	[
1622	or return;	2048	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2049	utf8::decode $_;
1628	next if /\.pst$/;
1629	next unless /^$PATH_SEP/o;
1630
1631	s/\.map$//;	2050	/\.map$/
1632	push @paths, $_;	2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $UNIQUEDIR or [] }
1633	}	2054	]
1634
1635	\@paths
1636	}	2055	}
1637		2056
1638	package cf;	2057	package cf;
1639		2058
1640	=back	2059	=back
…		…
1686		2105
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2106	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2107
1689	if ($self->{record_replies}) {	2108	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2109	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2110
1691	} 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 {
1692	$msg = $npc->name . " says: $msg" if $npc;	2124	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2125	$self->message ($msg, $flags);
		2126	}
1694	}	2127	}
1695	}	2128	}
1696		2129
1697	=item $player_object->may ("access")	2130	=item $player_object->may ("access")
1698		2131
…		…
1731	=cut	2164	=cut
1732		2165
1733	sub link_map {	2166	sub link_map {
1734	unless ($LINK_MAP) {	2167	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2168	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2169	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2170	$LINK_MAP->load;
1738	}	2171	}
1739		2172
1740	$LINK_MAP	2173	$LINK_MAP
1741	}	2174	}
…		…
1746	$self->deactivate_recursive;	2179	$self->deactivate_recursive;
1747		2180
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2181	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2182
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2183	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2184	if $self->map && $self->map->{path} ne "{link}";
1752		2185
1753	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2186	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1754	}	2187	}
1755		2188
1756	sub cf::object::player::leave_link {	2189	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2190	my ($self, $map, $x, $y) = @_;
		2191
		2192	return unless $self->contr->active;
1758		2193
1759	my $link_pos = delete $self->{_link_pos};	2194	my $link_pos = delete $self->{_link_pos};
1760		2195
1761	unless ($map) {	2196	unless ($map) {
1762	# restore original map position	2197	# restore original map position
…		…
1780	$map->load;	2215	$map->load;
1781	$map->load_diag;	2216	$map->load_diag;
1782		2217
1783	return unless $self->contr->active;	2218	return unless $self->contr->active;
1784	$self->activate_recursive;	2219	$self->activate_recursive;
		2220
		2221	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1785	$self->enter_map ($map, $x, $y);	2222	$self->enter_map ($map, $x, $y);
1786	}	2223	}
1787		2224
1788	cf::player->attach (
1789	on_logout => sub {
1790	my ($pl) = @_;
1791
1792	# abort map switching before logout
1793	if ($pl->ob->{_link_pos}) {
1794	cf::sync_job {
1795	$pl->ob->leave_link
1796	};
1797	}
1798	},
1799	on_login => sub {
1800	my ($pl) = @_;
1801
1802	# try to abort aborted map switching on player login :)
1803	# should happen only on crashes
1804	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;
1806	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);
1813	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;
1815	})->prio (2);
1816	}
1817	},
1818	);
1819
1820	=item $player_object->goto ($path, $x, $y)	2225	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1821		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
1822	=cut	2232	=cut
		2233
		2234	our $GOTOGEN;
1823		2235
1824	sub cf::object::player::goto {	2236	sub cf::object::player::goto {
1825	my ($self, $path, $x, $y) = @_;	2237	my ($self, $path, $x, $y, $check) = @_;
		2238
		2239	# do generation counting so two concurrent goto's will be executed in-order
		2240	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1826		2241
1827	$self->enter_link;	2242	$self->enter_link;
1828		2243
1829	(async {	2244	(async {
		2245	my $map = eval {
1830	my $map = cf::map::find $path;	2246	my $map = cf::map::find $path;
		2247
		2248	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2249	$map = $map->customise_for ($self);
1832		2250	$map = $check->($map) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2251	} else {
1834	# if $map;
1835
1836	$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	}
1837		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};
1838	$self->leave_link ($map, $x, $y);	2265	$self->leave_link ($map, $x, $y);
		2266	}
1839	})->prio (1);	2267	})->prio (1);
1840	}	2268	}
1841		2269
1842	=item $player_object->enter_exit ($exit_object)	2270	=item $player_object->enter_exit ($exit_object)
1843		2271
…		…
1872	# that depends on the exit object	2300	# that depends on the exit object
1873		2301
1874	my $rmp = parse_random_map_params $exit->msg;	2302	my $rmp = parse_random_map_params $exit->msg;
1875		2303
1876	if ($exit->map) {	2304	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2305	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2306	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2307	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2308	$rmp->{origin_y} = $exit->y;
1881	}	2309	}
1882		2310
1883	$rmp->{random_seed} ||= $exit->random_seed;	2311	$rmp->{random_seed} ||= $exit->random_seed;
1884		2312
1885	my $data = cf::to_json $rmp;	2313	my $data = cf::to_json $rmp;
1886	my $md5 = Digest::MD5::md5_hex $data;	2314	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2315	my $meta = "$RANDOMDIR/$md5.meta";
1888		2316
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2317	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2318	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2319	undef $fh;
1892	aio_rename "$meta~", $meta;	2320	aio_rename "$meta~", $meta;
…		…
1899	sub cf::object::player::enter_exit {	2327	sub cf::object::player::enter_exit {
1900	my ($self, $exit) = @_;	2328	my ($self, $exit) = @_;
1901		2329
1902	return unless $self->type == cf::PLAYER;	2330	return unless $self->type == cf::PLAYER;
1903		2331
		2332	if ($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;
		2342
1904	$self->enter_link;	2343	$self->enter_link;
1905		2344
1906	(async {	2345	(async {
1907	$self->deactivate_recursive; # just to be sure	2346	$self->deactivate_recursive; # just to be sure
1908	unless (eval {	2347	unless (eval {
1909	prepare_random_map $exit	2348	$self->goto ($slaying, $hp, $sp);
1910	if $exit->slaying eq "/!";
1911
1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1914		2349
1915	1;	2350	1;
1916	}) {	2351	}) {
1917	$self->message ("Something went wrong deep within the crossfire server. "	2352	$self->message ("Something went wrong deep within the crossfire server. "
1918	. "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. "
1919	. "Please report this to the dungeon master!",	2354	. "Please report this to the dungeon master!",
1920	cf::NDI_UNIQUE | cf::NDI_RED);	2355	cf::NDI_UNIQUE | cf::NDI_RED);
1921		2356
1922	warn "ERROR in enter_exit: $@";	2357	warn "ERROR in enter_exit: $@";
1923	$self->leave_link;	2358	$self->leave_link;
1924	}	2359	}
1925	})->prio (1);	2360	})->prio (1);
…		…
1938		2373
1939	sub cf::client::send_drawinfo {	2374	sub cf::client::send_drawinfo {
1940	my ($self, $text, $flags) = @_;	2375	my ($self, $text, $flags) = @_;
1941		2376
1942	utf8::encode $text;	2377	utf8::encode $text;
1943	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2378	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1944	}	2379	}
1945		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	}
1946		2431
1947	=item $success = $client->query ($flags, "text", \&cb)	2432	=item $success = $client->query ($flags, "text", \&cb)
1948		2433
1949	Queues a query to the client, calling the given callback with	2434	Queues a query to the client, calling the given callback with
1950	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>,
1951	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>.
1952		2437
1953	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
1954	reliable at some point in the future.	2439	become reliable at some point in the future.
1955		2440
1956	=cut	2441	=cut
1957		2442
1958	sub cf::client::query {	2443	sub cf::client::query {
1959	my ($self, $flags, $text, $cb) = @_;	2444	my ($self, $flags, $text, $cb) = @_;
…		…
1967	utf8::encode $text;	2452	utf8::encode $text;
1968	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2453	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1969		2454
1970	$self->send_packet ($self->{query_queue}[0][0])	2455	$self->send_packet ($self->{query_queue}[0][0])
1971	if @{ $self->{query_queue} } == 1;	2456	if @{ $self->{query_queue} } == 1;
		2457
		2458	1
1972	}	2459	}
1973		2460
1974	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	},
1975	on_reply => sub {	2467	on_reply => sub {
1976	my ($ns, $msg) = @_;	2468	my ($ns, $msg) = @_;
1977		2469
1978	# this weird shuffling is so that direct followup queries	2470	# this weird shuffling is so that direct followup queries
1979	# get handled first	2471	# get handled first
1980	my $queue = delete $ns->{query_queue}	2472	my $queue = delete $ns->{query_queue}
1981	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
1982		2474
1983	(shift @$queue)->[1]->($msg);	2475	(shift @$queue)->[1]->($msg);
		2476	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1984		2477
1985	push @{ $ns->{query_queue} }, @$queue;	2478	push @{ $ns->{query_queue} }, @$queue;
1986		2479
1987	if (@{ $ns->{query_queue} } == @$queue) {	2480	if (@{ $ns->{query_queue} } == @$queue) {
1988	if (@$queue) {	2481	if (@$queue) {
…		…
1990	} else {	2483	} else {
1991	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2484	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1992	}	2485	}
1993	}	2486	}
1994	},	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	},
1995	);	2506	);
1996		2507
1997	=item $client->async (\&cb)	2508	=item $client->async (\&cb)
1998		2509
1999	Create a new coroutine, running the specified callback. The coroutine will	2510	Create a new coroutine, running the specified callback. The coroutine will
…		…
2046		2557
2047	# here we export the classes and methods available to script code	2558	# here we export the classes and methods available to script code
2048		2559
2049	=pod	2560	=pod
2050		2561
2051	The following fucntions and emthods are available within a safe environment:	2562	The following functions and methods are available within a safe environment:
2052		2563
2053	cf::object contr pay_amount pay_player map	2564	cf::object contr pay_amount pay_player map
2054	cf::object::player player	2565	cf::object::player player
2055	cf::player peaceful	2566	cf::player peaceful
2056	cf::map trigger	2567	cf::map trigger
…		…
2137	=back	2648	=back
2138		2649
2139	=cut	2650	=cut
2140		2651
2141	#############################################################################	2652	#############################################################################
		2653	# the server's init and main functions
2142		2654
2143	=head2 EXTENSION DATABASE SUPPORT	2655	sub load_facedata($) {
		2656	my ($path) = @_;
2144		2657
2145	Crossfire maintains a very simple database for extension use. It can	2658	warn "loading facedata from $path\n";
2146	currently store anything that can be serialised using Storable, which
2147	excludes objects.
2148		2659
2149	The parameter C<$family> should best start with the name of the extension	2660	my $facedata;
2150	using it, it should be unique.	2661	0 < aio_load $path, $facedata
		2662	or die "$path: $!";
2151		2663
2152	=over 4	2664	$facedata = Coro::Storable::thaw $facedata;
2153		2665
2154	=item $hashref = cf::db_get $family	2666	$facedata->{version} == 2
		2667	or cf::cleanup "$path: version mismatch, cannot proceed.";
2155		2668
2156	Return a hashref for use by the extension C<$family>, which can be
2157	modified. After modifications, you have to call C<cf::db_dirty> or
2158	C<cf::db_sync>.
2159
2160	=item $value = cf::db_get $family => $key
2161
2162	Returns a single value from the database
2163
2164	=item cf::db_put $family => $hashref
2165
2166	Stores the given family hashref into the database. Updates are delayed, if
2167	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2168
2169	=item cf::db_put $family => $key => $value
2170
2171	Stores the given C<$value> in the family hash. Updates are delayed, if you
2172	want the data to be synced to disk immediately, use C<cf::db_sync>.
2173
2174	=item cf::db_dirty
2175
2176	Marks the database as dirty, to be updated at a later time.
2177
2178	=item cf::db_sync
2179
2180	Immediately write the database to disk I<if it is dirty>.
2181
2182	=cut
2183
2184	our $DB;
2185
2186	{
2187	my $path = cf::localdir . "/database.pst";
2188
2189	sub db_load() {
2190	$DB = stat $path ? Storable::retrieve $path : { };
2191	}	2669	{
		2670	my $faces = $facedata->{faceinfo};
2192		2671
2193	my $pid;	2672	while (my ($face, $info) = each %$faces) {
2194		2673	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2195	sub db_save() {	2674	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2196	waitpid $pid, 0 if $pid;	2675	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2197	if (0 == ($pid = fork)) {	2676	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2198	$DB->{_meta}{version} = 1;	2677	Coro::cede;
2199	Storable::nstore $DB, "$path~";
2200	rename "$path~", $path;
2201	cf::_exit 0 if defined $pid;
2202	}
2203	}
2204
2205	my $dirty;
2206
2207	sub db_sync() {
2208	db_save if $dirty;
2209	undef $dirty;
2210	}
2211
2212	my $idle = Event->idle (
2213	reentrant => 0,
2214	min => 10,
2215	max => 20,
2216	repeat => 0,
2217	data => WF_AUTOCANCEL,
2218	cb => \&db_sync,
2219	);
2220
2221	sub db_dirty() {
2222	$dirty = 1;
2223	$idle->start;
2224	}
2225
2226	sub db_get($;$) {
2227	@_ >= 2
2228	? $DB->{$_[0]}{$_[1]}
2229	: ($DB->{$_[0]} ||= { })
2230	}
2231
2232	sub db_put($$;$) {
2233	if (@_ >= 3) {
2234	$DB->{$_[0]}{$_[1]} = $_[2];
2235	} else {
2236	$DB->{$_[0]} = $_[1];
2237	}
2238	db_dirty;
2239	}
2240
2241	cf::global->attach (
2242	prio => 10000,
2243	on_cleanup => sub {
2244	db_sync;
2245	},	2678	}
2246	);
2247	}
2248		2679
2249	#############################################################################	2680	while (my ($face, $info) = each %$faces) {
2250	# 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	}
2251		2747
2252	sub cfg_load {	2748	sub cfg_load {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	2749	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	2750	or return;
2255		2751
2256	local $/;	2752	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	2753	*CFG = YAML::Syck::Load <$fh>;
2258		2754
…		…
2278	Event::one_event;	2774	Event::one_event;
2279	})->prio (Coro::PRIO_MAX);	2775	})->prio (Coro::PRIO_MAX);
2280	};	2776	};
2281		2777
2282	cfg_load;	2778	cfg_load;
2283	db_load;	2779	db_init;
2284	load_extensions;	2780	load_extensions;
2285		2781
2286	$TICK_WATCHER->start;	2782	$TICK_WATCHER->start;
2287	Event::loop;	2783	Event::loop;
2288	}	2784	}
…		…
2303	},	2799	},
2304	);	2800	);
2305	}	2801	}
2306	}	2802	}
2307		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
2308	sub emergency_save() {	2842	sub emergency_save() {
2309	my $freeze_guard = cf::freeze_mainloop;	2843	my $freeze_guard = cf::freeze_mainloop;
2310		2844
2311	warn "enter emergency perl save\n";	2845	warn "enter emergency perl save\n";
2312		2846
…		…
2327	my $map = $cf::MAP{$path} or next;	2861	my $map = $cf::MAP{$path} or next;
2328	$map->valid or next;	2862	$map->valid or next;
2329	$map->save;	2863	$map->save;
2330	}	2864	}
2331	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 $DB_ENV;
		2869	warn "end emergency database checkpoint\n";
2332	};	2870	};
2333		2871
2334	warn "leave emergency perl save\n";	2872	warn "leave emergency perl save\n";
2335	}	2873	}
2336		2874
		2875	sub post_cleanup {
		2876	my ($make_core) = @_;
		2877
		2878	warn Carp::longmess "post_cleanup backtrace"
		2879	if $make_core;
		2880	}
		2881
2337	sub reload() {	2882	sub do_reload_perl() {
2338	# can/must only be called in main	2883	# can/must only be called in main
2339	if ($Coro::current != $Coro::main) {	2884	if ($Coro::current != $Coro::main) {
2340	warn "can only reload from main coroutine";	2885	warn "can only reload from main coroutine";
2341	return;	2886	return;
2342	}	2887	}
2343		2888
2344	warn "reloading...";	2889	warn "reloading...";
2345		2890
2346	warn "cancelling server ticker";	2891	warn "entering sync_job";
2347	$TICK_WATCHER->cancel;
2348		2892
		2893	cf::sync_job {
		2894	cf::write_runtime; # external watchdog should not bark
2349	cf::emergency_save;	2895	cf::emergency_save;
		2896	cf::write_runtime; # external watchdog should not bark
2350		2897
2351	eval {	2898	warn "syncing database to disk";
		2899	BDB::db_env_txn_checkpoint $DB_ENV;
		2900
2352	# 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
2353
2354	warn "syncing database to disk";
2355	cf::db_sync;
2356		2902
2357	warn "cancelling all WF_AUTOCANCEL watchers";	2903	warn "cancelling all WF_AUTOCANCEL watchers";
2358	for (Event::all_watchers) {	2904	for (Event::all_watchers) {
2359	$_->cancel if $_->data & WF_AUTOCANCEL;	2905	$_->cancel if $_->data & WF_AUTOCANCEL;
2360	}	2906	}
2361		2907
2362	warn "flushing outstanding aio requests";	2908	warn "flushing outstanding aio requests";
2363	for (;;) {	2909	for (;;) {
		2910	BDB::flush;
2364	IO::AIO::flush;	2911	IO::AIO::flush;
2365	Coro::cede;	2912	Coro::cede;
2366	last unless IO::AIO::nreqs;	2913	last unless IO::AIO::nreqs || BDB::nreqs;
2367	warn "iterate...";	2914	warn "iterate...";
2368	}	2915	}
		2916
		2917	++$RELOAD;
2369		2918
2370	warn "cancelling all extension coros";	2919	warn "cancelling all extension coros";
2371	$_->cancel for values %EXT_CORO;	2920	$_->cancel for values %EXT_CORO;
2372	%EXT_CORO = ();	2921	%EXT_CORO = ();
2373		2922
2374	warn "removing commands";	2923	warn "removing commands";
2375	%COMMAND = ();	2924	%COMMAND = ();
2376		2925
2377	warn "removing ext commands";	2926	warn "removing ext/exti commands";
2378	%EXTCMD = ();	2927	%EXTCMD = ();
		2928	%EXTICMD = ();
2379		2929
2380	warn "unloading/nuking all extensions";	2930	warn "unloading/nuking all extensions";
2381	for my $pkg (@EXTS) {	2931	for my $pkg (@EXTS) {
2382	warn "... unloading $pkg";	2932	warn "... unloading $pkg";
2383		2933
…		…
2413	Symbol::delete_package "safe::$_"	2963	Symbol::delete_package "safe::$_"
2414	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);
2415		2965
2416	warn "unloading cf.pm \"a bit\"";	2966	warn "unloading cf.pm \"a bit\"";
2417	delete $INC{"cf.pm"};	2967	delete $INC{"cf.pm"};
		2968	delete $INC{"cf/pod.pm"};
2418		2969
2419	# don't, removes xs symbols, too,	2970	# don't, removes xs symbols, too,
2420	# and global variables created in xs	2971	# and global variables created in xs
2421	#Symbol::delete_package __PACKAGE__;	2972	#Symbol::delete_package __PACKAGE__;
2422		2973
…		…
2426	require cf;	2977	require cf;
2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2978	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2428		2979
2429	warn "loading config and database again";	2980	warn "loading config and database again";
2430	cf::cfg_load;	2981	cf::cfg_load;
2431	cf::db_load;
2432		2982
2433	warn "loading extensions";	2983	warn "loading extensions";
2434	cf::load_extensions;	2984	cf::load_extensions;
2435		2985
2436	warn "reattaching attachments to objects/players";	2986	warn "reattaching attachments to objects/players";
2437	_global_reattach;	2987	_global_reattach; # objects, sockets
2438	warn "reattaching attachments to maps";	2988	warn "reattaching attachments to maps";
2439	reattach $_ for values %MAP;	2989	reattach $_ for values %MAP;
		2990	warn "reattaching attachments to players";
		2991	reattach $_ for values %PLAYER;
2440		2992
2441	warn "restarting server ticker";	2993	warn "leaving sync_job";
2442		2994
2443	$TICK_WATCHER->start;	2995	1
2444	};	2996	} or do {
2445
2446	if ($@) {
2447	warn $@;	2997	warn $@;
2448	warn "error while reloading, exiting.";	2998	warn "error while reloading, exiting.";
2449	exit 1;	2999	exit 1;
2450	}	3000	};
2451		3001
2452	warn "reloaded";	3002	warn "reloaded";
2453	};	3003	};
2454		3004
2455	our $RELOAD_WATCHER; # used only during reload	3005	our $RELOAD_WATCHER; # used only during reload
2456		3006
		3007	sub reload_perl() {
		3008	# doing reload synchronously and two reloads happen back-to-back,
		3009	# coro crashes during coro_state_free->destroy here.
		3010
		3011	$RELOAD_WATCHER ||= Event->timer (
		3012	reentrant => 0,
		3013	after => 0,
		3014	data => WF_AUTOCANCEL,
		3015	cb => sub {
		3016	do_reload_perl;
		3017	undef $RELOAD_WATCHER;
		3018	},
		3019	);
		3020	}
		3021
2457	register_command "reload" => sub {	3022	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3023	my ($who, $arg) = @_;
2459		3024
2460	if ($who->flag (FLAG_WIZ)) {	3025	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("reloading server.");	3026	$who->message ("reloading server.");
2462		3027	async { reload_perl };
2463	# doing reload synchronously and two reloads happen back-to-back,
2464	# coro crashes during coro_state_free->destroy here.
2465
2466	$RELOAD_WATCHER ||= Event->timer (
2467	reentrant => 0,
2468	after => 0,
2469	data => WF_AUTOCANCEL,
2470	cb => sub {
2471	reload;
2472	undef $RELOAD_WATCHER;
2473	},
2474	);
2475	}	3028	}
2476	};	3029	};
2477		3030
2478	unshift @INC, $LIBDIR;	3031	unshift @INC, $LIBDIR;
2479		3032
2480	my $bug_warning = 0;	3033	my $bug_warning = 0;
2481		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;
2482	$TICK_WATCHER = Event->timer (	3058	$TICK_WATCHER = Event->timer (
2483	reentrant => 0,	3059	reentrant => 0,
2484	parked => 1,	3060	parked => 1,
2485	prio => 0,	3061	prio => 0,
2486	at => $NEXT_TICK || $TICK,	3062	at => $NEXT_TICK || $TICK,
…		…
2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3066	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2491	unless ++$bug_warning > 10;	3067	unless ++$bug_warning > 10;
2492	return;	3068	return;
2493	}	3069	}
2494		3070
2495	$NOW = Event::time;	3071	$NOW = $tick_start = Event::time;
2496		3072
2497	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
2498	$RUNTIME += $TICK;	3098	$RUNTIME += $TICK;
2499	$NEXT_TICK += $TICK;	3099	$NEXT_TICK += $TICK;
2500		3100
2501	$WAIT_FOR_TICK->broadcast;	3101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3102	$NEXT_RUNTIME_WRITE = $NOW + 10;
2503		3103	Coro::async_pool {
2504	Event::sweep;	3104	write_runtime
2505	Coro::cede_notself;	3105	or warn "ERROR: unable to write runtime file: $!";
		3106	};
2506		3107	}
		3108
2507	# my $AFTER = Event::time;	3109	# my $AFTER = Event::time;
2508	# warn $AFTER - $NOW;#d#	3110	# warn $AFTER - $NOW;#d#
2509		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;
		3120
2510	# 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
2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3122	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2512		3123
2513	$TICK_WATCHER->at ($NEXT_TICK);	3124	$TICK_WATCHER->at ($NEXT_TICK);
2514	$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
2515	},	3133	},
2516	);	3134	);
2517		3135
		3136	{
		3137	BDB::max_poll_time $TICK * 0.1;
		3138	$BDB_POLL_WATCHER = Event->io (
		3139	reentrant => 0,
		3140	fd => BDB::poll_fileno,
		3141	poll => 'r',
		3142	prio => 0,
		3143	data => WF_AUTOCANCEL,
		3144	cb => \&BDB::poll_cb,
		3145	);
		3146	BDB::min_parallel 8;
		3147
		3148	BDB::set_sync_prepare {
		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 $@;
		3182	};
		3183	}
		3184	}
		3185
		3186	{
		3187	IO::AIO::min_parallel 8;
		3188
		3189	undef $Coro::AIO::WATCHER;
2518	IO::AIO::max_poll_time $TICK * 0.1;	3190	IO::AIO::max_poll_time $TICK * 0.1;
2519
2520	undef $Coro::AIO::WATCHER;
2521	$AIO_POLL_WATCHER = Event->io (	3191	$AIO_POLL_WATCHER = Event->io (
2522	reentrant => 0,	3192	reentrant => 0,
		3193	data => WF_AUTOCANCEL,
2523	fd => IO::AIO::poll_fileno,	3194	fd => IO::AIO::poll_fileno,
2524	poll => 'r',	3195	poll => 'r',
2525	prio => 6,	3196	prio => 6,
2526	data => WF_AUTOCANCEL,
2527	cb => \&IO::AIO::poll_cb,	3197	cb => \&IO::AIO::poll_cb,
2528	);	3198	);
		3199	}
2529		3200
2530	$WRITE_RUNTIME_WATCHER = Event->timer (	3201	my $_log_backtrace;
2531	reentrant => 0,	3202
2532	data => WF_AUTOCANCEL,	3203	sub _log_backtrace {
2533	after => 1,	3204	my ($msg, @addr) = @_;
2534	interval => 10,	3205
2535	prio => 6, # keep it lowest so it acts like a watchdog	3206	$msg =~ s/\n//;
2536	cb => Coro::unblock_sub {	3207
2537	write_runtime	3208	# limit the # of concurrent backtraces
2538	or warn "ERROR: unable to write runtime file: $!";	3209	if ($_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";
2539	},	3236	}
2540	);	3237	}
		3238
		3239	# load additional modules
		3240	use cf::pod;
2541		3241
2542	END { cf::emergency_save }	3242	END { cf::emergency_save }
2543		3243
2544	1	3244	1
2545		3245

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