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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.292 by root, Tue Jul 3 00:54:57 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;
87		115
88	sub cf::map::normalise;	116	sub cf::map::normalise;
89		117
…		…
100	=item $cf::RUNTIME	128	=item $cf::RUNTIME
101		129
102	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
103	every server tick.	131	every server tick.
104		132
105	=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
106		136
107	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		141
110	=item $cf::NOW	142	=item $cf::NOW
111		143
112	The time of the last (current) server tick.	144	The time of the last (current) server tick.
113		145
114	=item $cf::TICK	146	=item $cf::TICK
115		147
116	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.
117		159
118	=item %cf::CFG	160	=item %cf::CFG
119		161
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	163	from wherever your confdir points to.
122		164
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		166
125	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
126	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
127	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.
128	window of cpu time available, or simply to synchronise to the server tick.
129		170
130	=back	171	=back
131		172
132	=cut	173	=cut
133		174
134	BEGIN {	175	BEGIN {
135	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	177	my $msg = join "", @_;
137	utf8::encode $msg;
138		178
139	$msg .= "\n"	179	$msg .= "\n"
140	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
141		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
142	LOG llevError, $msg;	185	LOG llevError, $msg;
143	};	186	};
144	}	187	}
145		188
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		196
153	# 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
154	# within the Safe compartment.	198	# within the Safe compartment.
155	for my $pkg (qw(	199	for my $pkg (qw(
156	cf::global cf::attachable	200	cf::global cf::attachable
…		…
164	}	208	}
165		209
166	$Event::DIED = sub {	210	$Event::DIED = sub {
167	warn "error in event callback: @_";	211	warn "error in event callback: @_";
168	};	212	};
		213
		214	#############################################################################
169		215
170	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
171		217
172	=over 4	218	=over 4
173		219
…		…
192	$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;
193	$d	239	$d
194	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
195	}	241	}
196		242
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
200		244
201	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
202		246
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
211		248
212	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
213		250
214	=cut	251	=cut
215		252
216	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
218	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
220		257
221	=item cf::lock_wait $string	258	=item cf::lock_wait $string
222		259
223	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
224		261
…		…
230	returned.	267	returned.
231		268
232	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
233	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
234		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
235	=cut	276	=cut
236		277
237	our %LOCK;	278	our %LOCK;
238		279
239	sub lock_wait($) {	280	sub lock_wait($) {
…		…
258	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
260	}	301	}
261	}	302	}
262		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
263	sub freeze_mainloop {	310	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
265		312
266	my $guard = Coro::guard {	313	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	314	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	315	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
272	$guard	317	$guard
273	}	318	}
274		319
275	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
282		327
283	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
284		329
285	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
286		331
287	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
290		336
291	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
294	fast or be very important.	340	fast or be very important.
…		…
297		343
298	sub sync_job(&) {	344	sub sync_job(&) {
299	my ($job) = @_;	345	my ($job) = @_;
300		346
301	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
302	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
304		352
305	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
317		365
318	while ($busy) {	366	while ($busy) {
319	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
320	}	368	}
321		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
322	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
323	} else {	378	} else {
324	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
325		380
326	$job->()	381	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
346		401
347	$coro	402	$coro
348	}	403	}
349		404
350	sub write_runtime {	405	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		406
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
354	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.
355		411
356	my $value = $cf::RUNTIME + 90 + 10;	412	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		413
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	414	sub fork_call(&@) {
361	and return;	415	my ($cb, @args) = @_;
362		416
363	aio_fsync $fh	417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
364	and return;	418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
365		421
		422	if (my $pid = fork) {
366	close $fh	423	close $fh2;
367	or return;
368		424
369	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
370	and return;	426	$res = Coro::Storable::thaw $res;
371		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
372	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		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 });
373	}	574	}
374		575
375	=back	576	=back
376		577
377	=cut	578	=cut
…		…
384	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")
385	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
386		587
387	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>
388	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
389	crossfire+).	590	Crossfire TRT).
390		591
391	=over 4	592	=over 4
392		593
393	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
394		595
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
558		759
559	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		764
564	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	766	my $pkg = shift @arg;
566		767
567	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
597	}	798	}
598		799
599	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
600	} else {	801	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	803	}
603		804
604	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
605	}	806	}
606		807
…		…
608	if (ref $_[0]) {	809	if (ref $_[0]) {
609	_object_attach @_;	810	_object_attach @_;
610	} else {	811	} else {
611	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
612	}	813	}
		814	_recalc_want;
613	};	815	};
614		816
615	# all those should be optimised	817	# all those should be optimised
616	sub cf::attachable::detach {	818	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
621	reattach ($obj);	823	reattach ($obj);
622	} else {	824	} else {
623	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
624	}	826	}
		827	_recalc_want;
625	};	828	};
626		829
627	sub cf::attachable::attached {	830	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
629		832
…		…
752	$filename, length $$rdata, scalar @$objs;	955	$filename, length $$rdata, scalar @$objs;
753		956
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	960	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	961	close $fh;
759		962
760	if (@$objs) {	963	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	965	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	966	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	967	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	968	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	969	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	970	aio_rename "$filename.pst~", "$filename.pst";
768	}	971	}
769	} else {	972	} else {
770	aio_unlink "$filename.pst";	973	aio_unlink "$filename.pst";
…		…
802	or return;	1005	or return;
803	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
804	}	1007	}
805		1008
806	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
808	return ($data, $av);	1011	return ($data, $av);
809	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
810		1019
811	#############################################################################	1020	#############################################################################
812	# command handling &c	1021	# command handling &c
813		1022
814	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1037	}
829		1038
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1040
832	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.
833		1046
834	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
835	called.	1048	called.
836		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
837	=cut	1061	=cut
838		1062
839	sub register_extcmd {	1063	sub register_extcmd {
840	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
841		1065
842	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
843	}	1073	}
844		1074
845	cf::player->attach (	1075	cf::player->attach (
846	on_command => sub {	1076	on_command => sub {
847	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
856	cf::override;	1086	cf::override;
857	},	1087	},
858	on_extcmd => sub {	1088	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
860		1090
861	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1092
863	if (ref $msg) {	1093	if (ref $msg) {
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
865	if (my %reply = $cb->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
866	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
872		1102
873	cf::override;	1103	cf::override;
874	},	1104	},
875	);	1105	);
876		1106
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
912	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1112	next unless -r $path;
914	eval {	1113
915	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;
916	1	1171	}
917	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
918	}	1177	};
919	}	1178	}
920		1179
921	#############################################################################	1180	#############################################################################
922		1181
		1182	=back
		1183
923	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
924		1185
925	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
926		1187
927	=cut	1188	=cut
…		…
939	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
940		1201
941	=cut	1202	=cut
942		1203
943	sub playerdir($) {	1204	sub playerdir($) {
944	cf::localdir	1205	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1207	}
950		1208
951	sub path($) {	1209	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1211
954	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
955	}	1213	}
956		1214
957	sub find_active($) {	1215	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1230	my $login = $_[0];
973		1231
974	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
975		1233
976	$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
977	my $pl = load_pl path $login	1242	my $pl = load_pl path $login
978	or return;	1243	or return;
979	$cf::PLAYER{$login} = $pl	1244	$cf::PLAYER{$login} = $pl
980	}	1245	}
981	}	1246	}
…		…
1018		1283
1019	=cut	1284	=cut
1020		1285
1021	sub quit_character {	1286	sub quit_character {
1022	my ($pl) = @_;	1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
1023		1290
1024	$pl->{deny_save} = 1;	1291	$pl->{deny_save} = 1;
1025	$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
1026		1293
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1032	my $path = playerdir $pl;	1299	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1300	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1301	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1302	delete $cf::PLAYER{$pl->ob->name};
1036	$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
1037	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;
1038	}	1325	}
1039		1326
1040	=item cf::player::list_logins	1327	=item cf::player::list_logins
1041		1328
1042	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
1043	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1044		1331
1045	=cut	1332	=cut
1046		1333
1047	sub list_logins {	1334	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1336	or return [];
1050		1337
1051	my @logins;	1338	my @logins;
1052		1339
1053	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1070	=cut	1357	=cut
1071		1358
1072	sub maps($) {	1359	sub maps($) {
1073	my ($pl) = @_;	1360	my ($pl) = @_;
1074		1361
		1362	$pl = ref $pl ? $pl->ob->name : $pl;
		1363
1075	my $files = aio_readdir playerdir $pl	1364	my $files = aio_readdir playerdir $pl
1076	or return;	1365	or return;
1077		1366
1078	my @paths;	1367	my @paths;
1079		1368
1080	for (@$files) {	1369	for (@$files) {
1081	utf8::decode $_;	1370	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1371	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1372	next unless /^$PATH_SEP/o;
1084		1373
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1374	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1375	}
1087		1376
1088	\@paths	1377	\@paths
1089	}	1378	}
1090		1379
		1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1381
		1382	Expand crossfire pod fragments into protocol xml.
		1383
		1384	=cut
		1385
		1386	sub expand_cfpod {
		1387	((my $self), (local $_)) = @_;
		1388
		1389	# escape & and <
		1390	s/&/&amp;/g;
		1391	s/(?<![BIUGH])</&lt;/g;
		1392
		1393	# this is buggy, it needs to properly take care of nested <'s
		1394
		1395	1 while
		1396	# replace B<>, I<>, U<> etc.
		1397	s/B<([^\>]*)>/<b>$1<\/b>/
		1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1400	# replace G<male|female> tags
		1401	|| s{G<([^>|]*)\|([^>]*)>}{
		1402	$self->gender ? $2 : $1
		1403	}ge
		1404	# replace H<hint text>
		1405	|| s{H<([^\>]*)>}
		1406	{
		1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1409	"")
		1410	[$self->{hintmode}]
		1411	}ge;
		1412
		1413	# create single paragraphs (very hackish)
		1414	s/(?<=\S)\n(?=\w)/ /g;
		1415
		1416	# compress some whitespace
		1417	1 while s/\s*\n\s*\n\s*/\n/;
		1418
		1419	$_
		1420	}
		1421
		1422	sub hintmode {
		1423	$_[0]{hintmode} = $_[1] if @_ > 1;
		1424	$_[0]{hintmode}
		1425	}
		1426
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1427	=item $player->ext_reply ($msgid, %msg)
1092		1428
1093	Sends an ext reply to the player.	1429	Sends an ext reply to the player.
1094		1430
1095	=cut	1431	=cut
1096		1432
1097	sub ext_reply($$$%) {	1433	sub ext_reply($$%) {
1098	my ($self, $id, %msg) = @_;	1434	my ($self, $id, %msg) = @_;
1099		1435
1100	$msg{msgid} = $id;	1436	$msg{msgid} = $id;
1101		1437	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1438	}
1104		1439
1105	package cf;	1440	=item $player->ext_event ($type, %msg)
		1441
		1442	Sends an ext event to the client.
		1443
		1444	=cut
		1445
		1446	sub ext_event($$%) {
		1447	my ($self, $type, %msg) = @_;
		1448
		1449	$self->ns->ext_event ($type, %msg);
		1450	}
		1451
		1452	=head3 cf::region
		1453
		1454	=over 4
		1455
		1456	=cut
		1457
		1458	package cf::region;
		1459
		1460	=item cf::region::find_by_path $path
		1461
		1462	Tries to decuce the likely region for a map knowing only its path.
		1463
		1464	=cut
		1465
		1466	sub find_by_path($) {
		1467	my ($path) = @_;
		1468
		1469	my ($match, $specificity);
		1470
		1471	for my $region (list) {
		1472	if ($region->match && $path =~ $region->match) {
		1473	($match, $specificity) = ($region, $region->specificity)
		1474	if $region->specificity > $specificity;
		1475	}
		1476	}
		1477
		1478	$match
		1479	}
1106		1480
1107	=back	1481	=back
1108
1109		1482
1110	=head3 cf::map	1483	=head3 cf::map
1111		1484
1112	=over 4	1485	=over 4
1113		1486
…		…
1168	my ($self, $merge) = @_;	1541	my ($self, $merge) = @_;
1169		1542
1170	# we have to keep some variables in memory intact	1543	# we have to keep some variables in memory intact
1171	local $self->{path};	1544	local $self->{path};
1172	local $self->{load_path};	1545	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1546
1176	$self->SUPER::thawer_merge ($merge);	1547	$self->SUPER::thawer_merge ($merge);
1177	}	1548	}
1178		1549
1179	sub normalise {	1550	sub normalise {
…		…
1251		1622
1252	# the original (read-only) location	1623	# the original (read-only) location
1253	sub load_path {	1624	sub load_path {
1254	my ($self) = @_;	1625	my ($self) = @_;
1255		1626
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1627	"$MAPDIR/$self->{path}.map"
1257	}	1628	}
1258		1629
1259	# the temporary/swap location	1630	# the temporary/swap location
1260	sub save_path {	1631	sub save_path {
1261	my ($self) = @_;	1632	my ($self) = @_;
1262		1633
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1634	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1635	"$TMPDIR/$path.map"
1265	}	1636	}
1266		1637
1267	# the unique path, undef == no special unique path	1638	# the unique path, undef == no special unique path
1268	sub uniq_path {	1639	sub uniq_path {
1269	my ($self) = @_;	1640	my ($self) = @_;
1270		1641
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1642	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1643	"$UNIQUEDIR/$path"
1273	}	1644	}
1274		1645
1275	# and all this just because we cannot iterate over	1646	# and all this just because we cannot iterate over
1276	# all maps in C++...	1647	# all maps in C++...
1277	sub change_all_map_light {	1648	sub change_all_map_light {
…		…
1279		1650
1280	$_->change_map_light ($change)	1651	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1652	for grep $_->outdoor, values %cf::MAP;
1282	}	1653	}
1283		1654
		1655	sub decay_objects {
		1656	my ($self) = @_;
		1657
		1658	return if $self->{deny_reset};
		1659
		1660	$self->do_decay_objects;
		1661	}
		1662
1284	sub unlink_save {	1663	sub unlink_save {
1285	my ($self) = @_;	1664	my ($self) = @_;
1286		1665
1287	utf8::encode (my $save = $self->save_path);	1666	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1667	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1670
1292	sub load_header_from($) {	1671	sub load_header_from($) {
1293	my ($self, $path) = @_;	1672	my ($self, $path) = @_;
1294		1673
1295	utf8::encode $path;	1674	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1675	#aio_open $path, O_RDONLY, 0
1297	or return;	1676	# or return;
1298		1677
1299	$self->_load_header ($path)	1678	$self->_load_header ($path)
1300	or return;	1679	or return;
1301		1680
1302	$self->{load_path} = $path;	1681	$self->{load_path} = $path;
…		…
1344	$self->load_header_orig	1723	$self->load_header_orig
1345	or return;	1724	or return;
1346	$self->prepare_orig;	1725	$self->prepare_orig;
1347	}	1726	}
1348		1727
		1728	$self->{deny_reset} = 1
		1729	if $self->no_reset;
		1730
		1731	$self->default_region (cf::region::find_by_path $self->{path})
		1732	unless $self->default_region;
		1733
1349	1	1734	1
1350	}	1735	}
1351		1736
1352	sub find;	1737	sub find;
1353	sub find {	1738	sub find {
…		…
1365	$map->{last_save} = $cf::RUNTIME;	1750	$map->{last_save} = $cf::RUNTIME;
1366		1751
1367	$map->load_header	1752	$map->load_header
1368	or return;	1753	or return;
1369		1754
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1755	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1756	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1757	#$cf::WAIT_FOR_TICK->wait;
1373	$map->reset;	1758	$map->reset;
1374	undef $guard;	1759	undef $guard;
1375	return find $path;	1760	return find $path;
…		…
1386	my ($self) = @_;	1771	my ($self) = @_;
1387		1772
1388	local $self->{deny_reset} = 1; # loading can take a long time	1773	local $self->{deny_reset} = 1; # loading can take a long time
1389		1774
1390	my $path = $self->{path};	1775	my $path = $self->{path};
		1776
		1777	{
1391	my $guard = cf::lock_acquire "map_load:$path";	1778	my $guard = cf::lock_acquire "map_load:$path";
1392		1779
1393	return if $self->in_memory != cf::MAP_SWAPPED;	1780	return if $self->in_memory != cf::MAP_SWAPPED;
1394		1781
1395	$self->in_memory (cf::MAP_LOADING);	1782	$self->in_memory (cf::MAP_LOADING);
1396		1783
1397	$self->alloc;	1784	$self->alloc;
1398		1785
1399	$self->pre_load;	1786	$self->pre_load;
1400
1401	$self->_load_objects ($self->{load_path}, 1)
1402	or return;
1403
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1405	if delete $self->{load_original};
1406
1407	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {
1410	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);
1412	}
1413	}
1414
1415	Coro::cede;
1416
1417	# now do the right thing for maps
1418	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;	1787	Coro::cede;
1425	$self->set_darkness_map;	1788
		1789	$self->_load_objects ($self->{load_path}, 1)
		1790	or return;
		1791
		1792	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1793	if delete $self->{load_original};
		1794
		1795	if (my $uniq = $self->uniq_path) {
		1796	utf8::encode $uniq;
		1797	if (aio_open $uniq, O_RDONLY, 0) {
		1798	$self->clear_unique_items;
		1799	$self->_load_objects ($uniq, 0);
		1800	}
		1801	}
		1802
		1803	Coro::cede;
		1804	# now do the right thing for maps
		1805	$self->link_multipart_objects;
1426	$self->difficulty ($self->estimate_difficulty)	1806	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	1807	unless $self->difficulty;
1428	Coro::cede;	1808	Coro::cede;
		1809
		1810	unless ($self->{deny_activate}) {
		1811	$self->decay_objects;
		1812	$self->fix_auto_apply;
		1813	$self->update_buttons;
		1814	Coro::cede;
		1815	$self->set_darkness_map;
		1816	Coro::cede;
1429	$self->activate;	1817	$self->activate;
		1818	}
		1819
		1820	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	1821	}
1431		1822
1432	$self->post_load;	1823	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	1824	}
1436		1825
1437	sub customise_for {	1826	sub customise_for {
1438	my ($self, $ob) = @_;	1827	my ($self, $ob) = @_;
1439		1828
1440	return find "~" . $ob->name . "/" . $self->{path}	1829	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	1830	if $self->per_player;
		1831
		1832	# return find "?party/" . $ob->name . "/" . $self->{path}
		1833	# if $self->per_party;
1442		1834
1443	$self	1835	$self
1444	}	1836	}
1445		1837
1446	# find and load all maps in the 3x3 area around a map	1838	# find and load all maps in the 3x3 area around a map
…		…
1557		1949
1558	sub reset_at {	1950	sub reset_at {
1559	my ($self) = @_;	1951	my ($self) = @_;
1560		1952
1561	# TODO: safety, remove and allow resettable per-player maps	1953	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	1954	return 1e99 if $self->{deny_reset};
1564		1955
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1956	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1957	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		1958
…		…
1578	my ($self) = @_;	1969	my ($self) = @_;
1579		1970
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	1971	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		1972
1582	return if $self->players;	1973	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		1974
1585	warn "resetting map ", $self->path;#d#	1975	warn "resetting map ", $self->path;
		1976
		1977	$self->in_memory (cf::MAP_SWAPPED);
		1978
		1979	# need to save uniques path
		1980	unless ($self->{deny_save}) {
		1981	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1982
		1983	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1984	if $uniq;
		1985	}
1586		1986
1587	delete $cf::MAP{$self->path};	1987	delete $cf::MAP{$self->path};
1588		1988
1589	$self->in_memory (cf::MAP_SWAPPED);
1590	$self->clear;	1989	$self->clear;
1591		1990
1592	$_->clear_links_to ($self) for values %cf::MAP;	1991	$_->clear_links_to ($self) for values %cf::MAP;
1593		1992
1594	$self->unlink_save;	1993	$self->unlink_save;
…		…
1613	$cf::MAP{$self->path} = $self;	2012	$cf::MAP{$self->path} = $self;
1614		2013
1615	$self->reset; # polite request, might not happen	2014	$self->reset; # polite request, might not happen
1616	}	2015	}
1617		2016
		2017	=item $maps = cf::map::tmp_maps
		2018
		2019	Returns an arrayref with all map paths of currently instantiated and saved
		2020	maps. May block.
		2021
		2022	=cut
		2023
		2024	sub tmp_maps() {
		2025	[
		2026	map {
		2027	utf8::decode $_;
		2028	/\.map$/
		2029	? normalise $_
		2030	: ()
		2031	} @{ aio_readdir $TMPDIR or [] }
		2032	]
		2033	}
		2034
		2035	=item $maps = cf::map::random_maps
		2036
		2037	Returns an arrayref with all map paths of currently instantiated and saved
		2038	random maps. May block.
		2039
		2040	=cut
		2041
		2042	sub random_maps() {
		2043	[
		2044	map {
		2045	utf8::decode $_;
		2046	/\.map$/
		2047	? normalise "?random/$_"
		2048	: ()
		2049	} @{ aio_readdir $RANDOMDIR or [] }
		2050	]
		2051	}
		2052
1618	=item cf::map::unique_maps	2053	=item cf::map::unique_maps
1619		2054
1620	Returns an arrayref of paths of all shared maps that have	2055	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2056	instantiated unique items. May block.
1622		2057
1623	=cut	2058	=cut
1624		2059
1625	sub unique_maps() {	2060	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2061	[
1627	or return;	2062	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2063	utf8::decode $_;
1633	next if /\.pst$/;	2064	/\.map$/
1634	next unless /^$PATH_SEP/o;	2065	? normalise $_
1635		2066	: ()
1636	push @paths, cf::map::normalise $_;	2067	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2068	]
1638
1639	\@paths
1640	}	2069	}
1641		2070
1642	package cf;	2071	package cf;
1643		2072
1644	=back	2073	=back
…		…
1690		2119
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2120	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2121
1693	if ($self->{record_replies}) {	2122	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2123	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2124
1695	} else {	2125	} else {
		2126	my $pl = $self->contr;
		2127
		2128	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2129	my $diag = $pl->{npc_dialog};
		2130	$diag->{pl}->ext_reply (
		2131	$diag->{id},
		2132	msgtype => "reply",
		2133	msg => $diag->{pl}->expand_cfpod ($msg),
		2134	add_topics => []
		2135	);
		2136
		2137	} else {
1696	$msg = $npc->name . " says: $msg" if $npc;	2138	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2139	$self->message ($msg, $flags);
		2140	}
1698	}	2141	}
1699	}	2142	}
1700		2143
1701	=item $player_object->may ("access")	2144	=item $player_object->may ("access")
1702		2145
…		…
1750	$self->deactivate_recursive;	2193	$self->deactivate_recursive;
1751		2194
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2195	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2196
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2197	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2198	if $self->map && $self->map->{path} ne "{link}";
1756		2199
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2200	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2201	}
1759		2202
1760	sub cf::object::player::leave_link {	2203	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2204	my ($self, $map, $x, $y) = @_;
		2205
		2206	return unless $self->contr->active;
1762		2207
1763	my $link_pos = delete $self->{_link_pos};	2208	my $link_pos = delete $self->{_link_pos};
1764		2209
1765	unless ($map) {	2210	unless ($map) {
1766	# restore original map position	2211	# restore original map position
…		…
1784	$map->load;	2229	$map->load;
1785	$map->load_diag;	2230	$map->load_diag;
1786		2231
1787	return unless $self->contr->active;	2232	return unless $self->contr->active;
1788	$self->activate_recursive;	2233	$self->activate_recursive;
		2234
		2235	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2236	$self->enter_map ($map, $x, $y);
1790	}	2237	}
1791		2238
1792	cf::player->attach (
1793	on_logout => sub {
1794	my ($pl) = @_;
1795
1796	# abort map switching before logout
1797	if ($pl->ob->{_link_pos}) {
1798	cf::sync_job {
1799	$pl->ob->leave_link
1800	};
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805
1806	# try to abort aborted map switching on player login :)
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823
1824	=item $player_object->goto ($path, $x, $y)	2239	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1825		2240
		2241	Moves the player to the given map-path and coordinates by first freezing
		2242	her, loading and preparing them map, calling the provided $check callback
		2243	that has to return the map if sucecssful, and then unfreezes the player on
		2244	the new (success) or old (failed) map position.
		2245
1826	=cut	2246	=cut
		2247
		2248	our $GOTOGEN;
1827		2249
1828	sub cf::object::player::goto {	2250	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2251	my ($self, $path, $x, $y, $check) = @_;
		2252
		2253	# do generation counting so two concurrent goto's will be executed in-order
		2254	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2255
1831	$self->enter_link;	2256	$self->enter_link;
1832		2257
1833	(async {	2258	(async {
1834	my $map = eval {	2259	my $map = eval {
1835	my $map = cf::map::find $path;	2260	my $map = cf::map::find $path;
		2261
		2262	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2263	$map = $map->customise_for ($self);
		2264	$map = $check->($map) if $check && $map;
		2265	} else {
		2266	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2267	}
		2268
1837	$map	2269	$map
		2270	};
		2271
		2272	if ($@) {
		2273	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2274	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2275	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2276
		2277	if ($gen == $self->{_goto_generation}) {
		2278	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2279	$self->leave_link ($map, $x, $y);
		2280	}
1842	})->prio (1);	2281	})->prio (1);
1843	}	2282	}
1844		2283
1845	=item $player_object->enter_exit ($exit_object)	2284	=item $player_object->enter_exit ($exit_object)
1846		2285
…		…
1885		2324
1886	$rmp->{random_seed} ||= $exit->random_seed;	2325	$rmp->{random_seed} ||= $exit->random_seed;
1887		2326
1888	my $data = cf::to_json $rmp;	2327	my $data = cf::to_json $rmp;
1889	my $md5 = Digest::MD5::md5_hex $data;	2328	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2329	my $meta = "$RANDOMDIR/$md5.meta";
1891		2330
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2331	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2332	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2333	undef $fh;
1895	aio_rename "$meta~", $meta;	2334	aio_rename "$meta~", $meta;
…		…
1904		2343
1905	return unless $self->type == cf::PLAYER;	2344	return unless $self->type == cf::PLAYER;
1906		2345
1907	if ($exit->slaying eq "/!") {	2346	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job	2347	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2348	# the problem is that $exit might not survive long enough
		2349	# so it needs to be done right now, right here
1909	cf::sync_job { prepare_random_map $exit };	2350	cf::sync_job { prepare_random_map $exit };
1910	}	2351	}
1911		2352
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2353	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;	2354	my $hp = $exit->stats->hp;
…		…
1921	$self->goto ($slaying, $hp, $sp);	2362	$self->goto ($slaying, $hp, $sp);
1922		2363
1923	1;	2364	1;
1924	}) {	2365	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2366	$self->message ("Something went wrong deep within the crossfire server. "
1926	. "I'll try to bring you back to the map you were before. "	2367	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2368	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2369	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2370
1930	warn "ERROR in enter_exit: $@";	2371	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2372	$self->leave_link;
1932	}	2373	}
1933	})->prio (1);	2374	})->prio (1);
…		…
1946		2387
1947	sub cf::client::send_drawinfo {	2388	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2389	my ($self, $text, $flags) = @_;
1949		2390
1950	utf8::encode $text;	2391	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2392	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2393	}
1953		2394
		2395	=item $client->send_msg ($color, $type, $msg, [extra...])
		2396
		2397	Send a drawinfo or msg packet to the client, formatting the msg for the
		2398	client if neccessary. C<$type> should be a string identifying the type of
		2399	the message, with C<log> being the default. If C<$color> is negative, suppress
		2400	the message unless the client supports the msg packet.
		2401
		2402	=cut
		2403
		2404	sub cf::client::send_msg {
		2405	my ($self, $color, $type, $msg, @extra) = @_;
		2406
		2407	$msg = $self->pl->expand_cfpod ($msg);
		2408
		2409	if ($self->can_msg) {
		2410	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2411	} else {
		2412	# replace some tags by gcfclient-compatible ones
		2413	for ($msg) {
		2414	1 while
		2415	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2416	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2417	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2418	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2419	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2420	}
		2421
		2422	if ($color >= 0) {
		2423	if (0 && $msg =~ /\[/) {
		2424	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2425	} else {
		2426	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2427	$self->send_packet ("drawinfo $color $msg")
		2428	}
		2429	}
		2430	}
		2431	}
		2432
		2433	=item $client->ext_event ($type, %msg)
		2434
		2435	Sends an ext event to the client.
		2436
		2437	=cut
		2438
		2439	sub cf::client::ext_event($$%) {
		2440	my ($self, $type, %msg) = @_;
		2441
		2442	$msg{msgtype} = "event_$type";
		2443	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2444	}
1954		2445
1955	=item $success = $client->query ($flags, "text", \&cb)	2446	=item $success = $client->query ($flags, "text", \&cb)
1956		2447
1957	Queues a query to the client, calling the given callback with	2448	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2449	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2450	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		2451
1961	Queries can fail, so check the return code. Or don't, as queries will become	2452	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	2453	become reliable at some point in the future.
1963		2454
1964	=cut	2455	=cut
1965		2456
1966	sub cf::client::query {	2457	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2458	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2466	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2467	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2468
1978	$self->send_packet ($self->{query_queue}[0][0])	2469	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2470	if @{ $self->{query_queue} } == 1;
		2471
		2472	1
1980	}	2473	}
1981		2474
1982	cf::client->attach (	2475	cf::client->attach (
		2476	on_connect => sub {
		2477	my ($ns) = @_;
		2478
		2479	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2480	},
1983	on_reply => sub {	2481	on_reply => sub {
1984	my ($ns, $msg) = @_;	2482	my ($ns, $msg) = @_;
1985		2483
1986	# this weird shuffling is so that direct followup queries	2484	# this weird shuffling is so that direct followup queries
1987	# get handled first	2485	# get handled first
1988	my $queue = delete $ns->{query_queue}	2486	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2487	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2488
1991	(shift @$queue)->[1]->($msg);	2489	(shift @$queue)->[1]->($msg);
		2490	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2491
1993	push @{ $ns->{query_queue} }, @$queue;	2492	push @{ $ns->{query_queue} }, @$queue;
1994		2493
1995	if (@{ $ns->{query_queue} } == @$queue) {	2494	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2495	if (@$queue) {
…		…
1998	} else {	2497	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2498	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2499	}
2001	}	2500	}
2002	},	2501	},
		2502	on_exticmd => sub {
		2503	my ($ns, $buf) = @_;
		2504
		2505	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2506
		2507	if (ref $msg) {
		2508	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2509	if (my %reply = $cb->($ns, $msg)) {
		2510	$reply{msgid} = $msg->{msgid};
		2511	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2512	}
		2513	}
		2514	} else {
		2515	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2516	}
		2517
		2518	cf::override;
		2519	},
2003	);	2520	);
2004		2521
2005	=item $client->async (\&cb)	2522	=item $client->async (\&cb)
2006		2523
2007	Create a new coroutine, running the specified callback. The coroutine will	2524	Create a new coroutine, running the specified callback. The coroutine will
…		…
2054		2571
2055	# here we export the classes and methods available to script code	2572	# here we export the classes and methods available to script code
2056		2573
2057	=pod	2574	=pod
2058		2575
2059	The following fucntions and emthods are available within a safe environment:	2576	The following functions and methods are available within a safe environment:
2060		2577
2061	cf::object contr pay_amount pay_player map	2578	cf::object contr pay_amount pay_player map
2062	cf::object::player player	2579	cf::object::player player
2063	cf::player peaceful	2580	cf::player peaceful
2064	cf::map trigger	2581	cf::map trigger
…		…
2145	=back	2662	=back
2146		2663
2147	=cut	2664	=cut
2148		2665
2149	#############################################################################	2666	#############################################################################
		2667	# the server's init and main functions
2150		2668
2151	=head2 EXTENSION DATABASE SUPPORT	2669	sub load_facedata($) {
		2670	my ($path) = @_;
2152		2671
2153	Crossfire maintains a very simple database for extension use. It can	2672	warn "loading facedata from $path\n";
2154	currently store anything that can be serialised using Storable, which
2155	excludes objects.
2156		2673
2157	The parameter C<$family> should best start with the name of the extension	2674	my $facedata;
2158	using it, it should be unique.	2675	0 < aio_load $path, $facedata
		2676	or die "$path: $!";
2159		2677
2160	=over 4	2678	$facedata = Coro::Storable::thaw $facedata;
2161		2679
2162	=item $hashref = cf::db_get $family	2680	$facedata->{version} == 2
		2681	or cf::cleanup "$path: version mismatch, cannot proceed.";
2163		2682
2164	Return a hashref for use by the extension C<$family>, which can be
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167
2168	=item $value = cf::db_get $family => $key
2169
2170	Returns a single value from the database
2171
2172	=item cf::db_put $family => $hashref
2173
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	2683	{
		2684	my $faces = $facedata->{faceinfo};
2200		2685
2201	my $pid;	2686	while (my ($face, $info) = each %$faces) {
2202		2687	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2203	sub db_save() {	2688	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2204	waitpid $pid, 0 if $pid;	2689	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2205	if (0 == ($pid = fork)) {	2690	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2206	$DB->{_meta}{version} = 1;	2691	Coro::cede;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}
2212
2213	my $dirty;
2214
2215	sub db_sync() {
2216	db_save if $dirty;
2217	undef $dirty;
2218	}
2219
2220	my $idle = Event->idle (
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	2692	}
2254	);
2255	}
2256		2693
2257	#############################################################################	2694	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	2695	next unless $info->{smooth};
		2696	my $idx = cf::face::find $face
		2697	or next;
		2698	if (my $smooth = cf::face::find $info->{smooth}) {
		2699	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2700	} else {
		2701	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2702	}
		2703	Coro::cede;
		2704	}
		2705	}
		2706
		2707	{
		2708	my $anims = $facedata->{animinfo};
		2709
		2710	while (my ($anim, $info) = each %$anims) {
		2711	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2712	Coro::cede;
		2713	}
		2714
		2715	cf::anim::invalidate_all; # d'oh
		2716	}
		2717
		2718	1
		2719	}
		2720
		2721	sub reload_regions {
		2722	load_resource_file "$MAPDIR/regions"
		2723	or die "unable to load regions file\n";
		2724	}
		2725
		2726	sub reload_facedata {
		2727	load_facedata "$DATADIR/facedata"
		2728	or die "unable to load facedata\n";
		2729	}
		2730
		2731	sub reload_archetypes {
		2732	load_resource_file "$DATADIR/archetypes"
		2733	or die "unable to load archetypes\n";
		2734	#d# NEED to laod twice to resolve forward references
		2735	# this really needs to be done in an extra post-pass
		2736	# (which needs to be synchronous, so solve it differently)
		2737	load_resource_file "$DATADIR/archetypes"
		2738	or die "unable to load archetypes\n";
		2739	}
		2740
		2741	sub reload_treasures {
		2742	load_resource_file "$DATADIR/treasures"
		2743	or die "unable to load treasurelists\n";
		2744	}
		2745
		2746	sub reload_resources {
		2747	warn "reloading resource files...\n";
		2748
		2749	reload_regions;
		2750	reload_facedata;
		2751	#reload_archetypes;#d#
		2752	reload_archetypes;
		2753	reload_treasures;
		2754
		2755	warn "finished reloading resource files\n";
		2756	}
		2757
		2758	sub init {
		2759	reload_resources;
		2760	}
2259		2761
2260	sub cfg_load {	2762	sub cfg_load {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	2763	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	2764	or return;
2263		2765
2264	local $/;	2766	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	2767	*CFG = YAML::Syck::Load <$fh>;
2266		2768
…		…
2286	Event::one_event;	2788	Event::one_event;
2287	})->prio (Coro::PRIO_MAX);	2789	})->prio (Coro::PRIO_MAX);
2288	};	2790	};
2289		2791
2290	cfg_load;	2792	cfg_load;
2291	db_load;	2793	db_init;
2292	load_extensions;	2794	load_extensions;
2293		2795
2294	$TICK_WATCHER->start;	2796	$TICK_WATCHER->start;
2295	Event::loop;	2797	Event::loop;
2296	}	2798	}
…		…
2311	},	2813	},
2312	);	2814	);
2313	}	2815	}
2314	}	2816	}
2315		2817
		2818	sub write_runtime {
		2819	my $runtime = "$LOCALDIR/runtime";
		2820
		2821	# first touch the runtime file to show we are still running:
		2822	# the fsync below can take a very very long time.
		2823
		2824	IO::AIO::aio_utime $runtime, undef, undef;
		2825
		2826	my $guard = cf::lock_acquire "write_runtime";
		2827
		2828	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2829	or return;
		2830
		2831	my $value = $cf::RUNTIME + 90 + 10;
		2832	# 10 is the runtime save interval, for a monotonic clock
		2833	# 60 allows for the watchdog to kill the server.
		2834
		2835	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2836	and return;
		2837
		2838	# always fsync - this file is important
		2839	aio_fsync $fh
		2840	and return;
		2841
		2842	# touch it again to show we are up-to-date
		2843	aio_utime $fh, undef, undef;
		2844
		2845	close $fh
		2846	or return;
		2847
		2848	aio_rename "$runtime~", $runtime
		2849	and return;
		2850
		2851	warn "runtime file written.\n";
		2852
		2853	1
		2854	}
		2855
2316	sub emergency_save() {	2856	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	2857	my $freeze_guard = cf::freeze_mainloop;
2318		2858
2319	warn "enter emergency perl save\n";	2859	warn "enter emergency perl save\n";
2320		2860
…		…
2335	my $map = $cf::MAP{$path} or next;	2875	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	2876	$map->valid or next;
2337	$map->save;	2877	$map->save;
2338	}	2878	}
2339	warn "end emergency map save\n";	2879	warn "end emergency map save\n";
		2880
		2881	warn "begin emergency database checkpoint\n";
		2882	BDB::db_env_txn_checkpoint $DB_ENV;
		2883	warn "end emergency database checkpoint\n";
2340	};	2884	};
2341		2885
2342	warn "leave emergency perl save\n";	2886	warn "leave emergency perl save\n";
2343	}	2887	}
2344		2888
		2889	sub post_cleanup {
		2890	my ($make_core) = @_;
		2891
		2892	warn Carp::longmess "post_cleanup backtrace"
		2893	if $make_core;
		2894	}
		2895
2345	sub reload() {	2896	sub do_reload_perl() {
2346	# can/must only be called in main	2897	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	2898	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	2899	warn "can only reload from main coroutine";
2349	return;	2900	return;
2350	}	2901	}
2351		2902
2352	warn "reloading...";	2903	warn "reloading...";
2353		2904
2354	warn "cancelling server ticker";	2905	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		2906
		2907	cf::sync_job {
		2908	cf::write_runtime; # external watchdog should not bark
2357	cf::emergency_save;	2909	cf::emergency_save;
		2910	cf::write_runtime; # external watchdog should not bark
2358		2911
2359	eval {	2912	warn "syncing database to disk";
		2913	BDB::db_env_txn_checkpoint $DB_ENV;
		2914
2360	# if anything goes wrong in here, we should simply crash as we already saved	2915	# if anything goes wrong in here, we should simply crash as we already saved
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364		2916
2365	warn "cancelling all WF_AUTOCANCEL watchers";	2917	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {	2918	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;	2919	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}	2920	}
2369		2921
2370	warn "flushing outstanding aio requests";	2922	warn "flushing outstanding aio requests";
2371	for (;;) {	2923	for (;;) {
		2924	BDB::flush;
2372	IO::AIO::flush;	2925	IO::AIO::flush;
2373	Coro::cede;	2926	Coro::cede;
2374	last unless IO::AIO::nreqs;	2927	last unless IO::AIO::nreqs || BDB::nreqs;
2375	warn "iterate...";	2928	warn "iterate...";
2376	}	2929	}
		2930
		2931	++$RELOAD;
2377		2932
2378	warn "cancelling all extension coros";	2933	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	2934	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	2935	%EXT_CORO = ();
2381		2936
2382	warn "removing commands";	2937	warn "removing commands";
2383	%COMMAND = ();	2938	%COMMAND = ();
2384		2939
2385	warn "removing ext commands";	2940	warn "removing ext/exti commands";
2386	%EXTCMD = ();	2941	%EXTCMD = ();
		2942	%EXTICMD = ();
2387		2943
2388	warn "unloading/nuking all extensions";	2944	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {	2945	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";	2946	warn "... unloading $pkg";
2391		2947
…		…
2421	Symbol::delete_package "safe::$_"	2977	Symbol::delete_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2978	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		2979
2424	warn "unloading cf.pm \"a bit\"";	2980	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	2981	delete $INC{"cf.pm"};
		2982	delete $INC{"cf/pod.pm"};
2426		2983
2427	# don't, removes xs symbols, too,	2984	# don't, removes xs symbols, too,
2428	# and global variables created in xs	2985	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	2986	#Symbol::delete_package __PACKAGE__;
2430		2987
…		…
2434	require cf;	2991	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2992	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		2993
2437	warn "loading config and database again";	2994	warn "loading config and database again";
2438	cf::cfg_load;	2995	cf::cfg_load;
2439	cf::db_load;
2440		2996
2441	warn "loading extensions";	2997	warn "loading extensions";
2442	cf::load_extensions;	2998	cf::load_extensions;
2443		2999
2444	warn "reattaching attachments to objects/players";	3000	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3001	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3002	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3003	reattach $_ for values %MAP;
		3004	warn "reattaching attachments to players";
		3005	reattach $_ for values %PLAYER;
2448		3006
2449	warn "restarting server ticker";	3007	warn "leaving sync_job";
2450		3008
2451	$TICK_WATCHER->start;	3009	1
2452	};	3010	} or do {
2453
2454	if ($@) {
2455	warn $@;	3011	warn $@;
2456	warn "error while reloading, exiting.";	3012	warn "error while reloading, exiting.";
2457	exit 1;	3013	exit 1;
2458	}	3014	};
2459		3015
2460	warn "reloaded";	3016	warn "reloaded";
2461	};	3017	};
2462		3018
2463	our $RELOAD_WATCHER; # used only during reload	3019	our $RELOAD_WATCHER; # used only during reload
2464		3020
		3021	sub reload_perl() {
		3022	# doing reload synchronously and two reloads happen back-to-back,
		3023	# coro crashes during coro_state_free->destroy here.
		3024
		3025	$RELOAD_WATCHER ||= Event->timer (
		3026	reentrant => 0,
		3027	after => 0,
		3028	data => WF_AUTOCANCEL,
		3029	cb => sub {
		3030	do_reload_perl;
		3031	undef $RELOAD_WATCHER;
		3032	},
		3033	);
		3034	}
		3035
2465	register_command "reload" => sub {	3036	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3037	my ($who, $arg) = @_;
2467		3038
2468	if ($who->flag (FLAG_WIZ)) {	3039	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3040	$who->message ("reloading server.");
2470		3041	async { reload_perl };
2471	# doing reload synchronously and two reloads happen back-to-back,
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);
2483	}	3042	}
2484	};	3043	};
2485		3044
2486	unshift @INC, $LIBDIR;	3045	unshift @INC, $LIBDIR;
2487		3046
2488	my $bug_warning = 0;	3047	my $bug_warning = 0;
2489		3048
		3049	our @WAIT_FOR_TICK;
		3050	our @WAIT_FOR_TICK_BEGIN;
		3051
		3052	sub wait_for_tick {
		3053	return unless $TICK_WATCHER->is_active;
		3054	return if $Coro::current == $Coro::main;
		3055
		3056	my $signal = new Coro::Signal;
		3057	push @WAIT_FOR_TICK, $signal;
		3058	$signal->wait;
		3059	}
		3060
		3061	sub wait_for_tick_begin {
		3062	return unless $TICK_WATCHER->is_active;
		3063	return if $Coro::current == $Coro::main;
		3064
		3065	my $signal = new Coro::Signal;
		3066	push @WAIT_FOR_TICK_BEGIN, $signal;
		3067	$signal->wait;
		3068	}
		3069
		3070	my $min = 1e6;#d#
		3071	my $avg = 10;
2490	$TICK_WATCHER = Event->timer (	3072	$TICK_WATCHER = Event->timer (
2491	reentrant => 0,	3073	reentrant => 0,
2492	parked => 1,	3074	parked => 1,
2493	prio => 0,	3075	prio => 0,
2494	at => $NEXT_TICK || $TICK,	3076	at => $NEXT_TICK || $TICK,
…		…
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3080	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3081	unless ++$bug_warning > 10;
2500	return;	3082	return;
2501	}	3083	}
2502		3084
2503	$NOW = Event::time;	3085	$NOW = $tick_start = Event::time;
2504		3086
2505	cf::server_tick; # one server iteration	3087	cf::server_tick; # one server iteration
		3088
		3089	0 && sync_job {#d#
		3090	for(1..10) {
		3091	my $t = Event::time;
		3092	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3093	or die;
		3094
		3095	$map->width (50);
		3096	$map->height (50);
		3097	$map->alloc;
		3098	$map->_load_objects ("/tmp/x.map", 1);
		3099	my $t = Event::time - $t;
		3100
		3101	#next unless $t < 0.0013;#d#
		3102	if ($t < $min) {
		3103	$min = $t;
		3104	}
		3105	$avg = $avg * 0.99 + $t * 0.01;
		3106	}
		3107	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3108	exit 0;
		3109	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3110	};
		3111
2506	$RUNTIME += $TICK;	3112	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;	3113	$NEXT_TICK += $TICK;
2508		3114
2509	$WAIT_FOR_TICK->broadcast;	3115	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3116	$NEXT_RUNTIME_WRITE = $NOW + 10;
2511		3117	Coro::async_pool {
2512	Event::sweep;	3118	write_runtime
2513	Coro::cede_notself;	3119	or warn "ERROR: unable to write runtime file: $!";
		3120	};
2514		3121	}
		3122
2515	# my $AFTER = Event::time;	3123	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#	3124	# warn $AFTER - $NOW;#d#
2517		3125
		3126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3127	$sig->send;
		3128	}
		3129	while (my $sig = shift @WAIT_FOR_TICK) {
		3130	$sig->send;
		3131	}
		3132
		3133	$NOW = Event::time;
		3134
2518	# if we are delayed by four ticks or more, skip them all	3135	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3136	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2520		3137
2521	$TICK_WATCHER->at ($NEXT_TICK);	3138	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;	3139	$TICK_WATCHER->start;
		3140
		3141	$LOAD = ($NOW - $tick_start) / $TICK;
		3142	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3143
		3144	_post_tick;
		3145
		3146
2523	},	3147	},
2524	);	3148	);
2525		3149
		3150	{
		3151	BDB::max_poll_time $TICK * 0.1;
		3152	$BDB_POLL_WATCHER = Event->io (
		3153	reentrant => 0,
		3154	fd => BDB::poll_fileno,
		3155	poll => 'r',
		3156	prio => 0,
		3157	data => WF_AUTOCANCEL,
		3158	cb => \&BDB::poll_cb,
		3159	);
		3160	BDB::min_parallel 8;
		3161
		3162	BDB::set_sync_prepare {
		3163	my $status;
		3164	my $current = $Coro::current;
		3165	(
		3166	sub {
		3167	$status = $!;
		3168	$current->ready; undef $current;
		3169	},
		3170	sub {
		3171	Coro::schedule while defined $current;
		3172	$! = $status;
		3173	},
		3174	)
		3175	};
		3176
		3177	unless ($DB_ENV) {
		3178	$DB_ENV = BDB::db_env_create;
		3179
		3180	cf::sync_job {
		3181	eval {
		3182	BDB::db_env_open
		3183	$DB_ENV,
		3184	$BDBDIR,
		3185	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3186	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3187	0666;
		3188
		3189	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3190
		3191	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3192	$DB_ENV->set_lk_detect;
		3193	};
		3194
		3195	cf::cleanup "db_env_open(db): $@" if $@;
		3196	};
		3197	}
		3198	}
		3199
		3200	{
		3201	IO::AIO::min_parallel 8;
		3202
		3203	undef $Coro::AIO::WATCHER;
2526	IO::AIO::max_poll_time $TICK * 0.1;	3204	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (	3205	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,	3206	reentrant => 0,
		3207	data => WF_AUTOCANCEL,
2531	fd => IO::AIO::poll_fileno,	3208	fd => IO::AIO::poll_fileno,
2532	poll => 'r',	3209	poll => 'r',
2533	prio => 6,	3210	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,	3211	cb => \&IO::AIO::poll_cb,
2536	);	3212	);
		3213	}
2537		3214
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	3215	my $_log_backtrace;
2539	reentrant => 0,	3216
2540	data => WF_AUTOCANCEL,	3217	sub _log_backtrace {
2541	after => 1,	3218	my ($msg, @addr) = @_;
2542	interval => 10,	3219
2543	prio => 6, # keep it lowest so it acts like a watchdog	3220	$msg =~ s/\n//;
2544	cb => Coro::unblock_sub {	3221
2545	write_runtime	3222	# limit the # of concurrent backtraces
2546	or warn "ERROR: unable to write runtime file: $!";	3223	if ($_log_backtrace < 2) {
		3224	++$_log_backtrace;
		3225	async {
		3226	my @bt = fork_call {
		3227	@addr = map { sprintf "%x", $_ } @addr;
		3228	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3229	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3230	or die "addr2line: $!";
		3231
		3232	my @funcs;
		3233	my @res = <$fh>;
		3234	chomp for @res;
		3235	while (@res) {
		3236	my ($func, $line) = splice @res, 0, 2, ();
		3237	push @funcs, "[$func] $line";
		3238	}
		3239
		3240	@funcs
		3241	};
		3242
		3243	LOG llevInfo, "[ABT] $msg\n";
		3244	LOG llevInfo, "[ABT] $_\n" for @bt;
		3245	--$_log_backtrace;
		3246	};
		3247	} else {
		3248	LOG llevInfo, "[ABT] $msg\n";
		3249	LOG llevInfo, "[ABT] [suppressed]\n";
2547	},	3250	}
2548	);	3251	}
		3252
		3253	# load additional modules
		3254	use cf::pod;
2549		3255
2550	END { cf::emergency_save }	3256	END { cf::emergency_save }
2551		3257
2552	1	3258	1
2553		3259

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