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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC vs.
Revision 1.298 by root, Sun Jul 8 14:50:07 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;
53	our $USE_FSYNC; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
		81
		82	our $BDB_POLL_WATCHER;
		83	our $DB_ENV;
54		84
55	our %CFG;	85	our %CFG;
56		86
57	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	88	our $RUNTIME;
59		89
60	our %PLAYER; # all users	90	our %PLAYER; # all users
61	our %MAP; # all maps	91	our %MAP; # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	92	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		93
68	# 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 ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		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 $tick_start; # for load detecting purposes
		100
71	binmode STDOUT;	101	binmode STDOUT;
72	binmode STDERR;	102	binmode STDERR;
73		103
74	# read virtual server time, if available	104	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
79	}	109	}
80		110
81	mkdir cf::localdir;	111	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		113
87	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
88		115
89	sub cf::map::normalise;	116	sub cf::map::normalise;
90		117
…		…
101	=item $cf::RUNTIME	128	=item $cf::RUNTIME
102		129
103	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
104	every server tick.	131	every server tick.
105		132
106	=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
107		136
108	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
109	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.
110		141
111	=item $cf::NOW	142	=item $cf::NOW
112		143
113	The time of the last (current) server tick.	144	The time of the last (current) server tick.
114		145
115	=item $cf::TICK	146	=item $cf::TICK
116		147
117	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.
118		159
119	=item %cf::CFG	160	=item %cf::CFG
120		161
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
122	from wherever your confdir points to.	163	from wherever your confdir points to.
123		164
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		166
126	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
127	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
128	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.
129	window of cpu time available, or simply to synchronise to the server tick.
130		170
131	=back	171	=back
132		172
133	=cut	173	=cut
134		174
135	BEGIN {	175	BEGIN {
136	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	177	my $msg = join "", @_;
138	utf8::encode $msg;
139		178
140	$msg .= "\n"	179	$msg .= "\n"
141	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
142		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
143	LOG llevError, $msg;	185	LOG llevError, $msg;
144	};	186	};
145	}	187	}
146		188
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@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';
152	@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)
153		196
154	# 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
155	# within the Safe compartment.	198	# within the Safe compartment.
156	for my $pkg (qw(	199	for my $pkg (qw(
157	cf::global cf::attachable	200	cf::global cf::attachable
…		…
165	}	208	}
166		209
167	$Event::DIED = sub {	210	$Event::DIED = sub {
168	warn "error in event callback: @_";	211	warn "error in event callback: @_";
169	};	212	};
		213
		214	#############################################################################
170		215
171	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
172		217
173	=over 4	218	=over 4
174		219
…		…
193	$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;
194	$d	239	$d
195	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
196	}	241	}
197		242
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
201		244
202	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
203		246
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
212		248
213	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
214		250
215	=cut	251	=cut
216		252
217	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
219	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
220	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
221		257
222	=item cf::lock_wait $string	258	=item cf::lock_wait $string
223		259
224	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
225		261
…		…
231	returned.	267	returned.
232		268
233	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
234	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
235		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
236	=cut	276	=cut
237		277
238	our %LOCK;	278	our %LOCK;
239		279
240	sub lock_wait($) {	280	sub lock_wait($) {
…		…
259	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
261	}	301	}
262	}	302	}
263		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
264	sub freeze_mainloop {	310	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
266		312
267	my $guard = Coro::guard {	313	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	314	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	315	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
273	$guard	317	$guard
274	}	318	}
275		319
276	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
283		327
284	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
285		329
286	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
287		331
288	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
291		336
292	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
295	fast or be very important.	340	fast or be very important.
…		…
298		343
299	sub sync_job(&) {	344	sub sync_job(&) {
300	my ($job) = @_;	345	my ($job) = @_;
301		346
302	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
303	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
305		352
306	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
307	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
318		365
319	while ($busy) {	366	while ($busy) {
320	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
321	}	368	}
322		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
323	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
324	} else {	378	} else {
325	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
326		380
327	$job->()	381	$job->()
…		…
346	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
347		401
348	$coro	402	$coro
349	}	403	}
350		404
351	sub write_runtime {	405	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		406
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
355	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.
356		411
357	my $value = $cf::RUNTIME + 90 + 10;	412	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		413
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	414	sub fork_call(&@) {
362	and return;	415	my ($cb, @args) = @_;
363		416
364	# always fsync - this file is important	417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
365	aio_fsync $fh	418	# or die "socketpair: $!";
366	and return;	419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
367		421
		422	if (my $pid = fork) {
368	close $fh	423	close $fh2;
369	or return;
370		424
371	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
372	and return;	426	warn "pst<$res>" unless $res =~ /^pst/;
		427	$res = Coro::Storable::thaw $res;
373		428
		429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		430
		431	Carp::confess $$res unless "ARRAY" eq ref $res;
		432
		433	return wantarray ? @$res : $res->[-1];
		434	} else {
		435	reset_signals;
		436	local $SIG{__WARN__};
		437	local $SIG{__DIE__};
		438	local $Coro::idle;
		439	$Coro::current->prio (Coro::PRIO_MAX);
		440	eval {
		441	close $fh1;
		442
		443	my @res = eval { $cb->(@args) };
		444
		445	open my $fh, ">", \my $buf
		446	or die "fork_call: cannot open fh-to-buf in child : $!";
		447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
		448	close $fh;
		449
		450	warn "writing ", length $buf;
		451	my $x;
		452	(length $buf) == ($x = syswrite $fh2, $buf)
		453	or warn "error writing ".(length $buf)." != $x\n";
		454	close $fh2;
		455	};
		456
		457	warn $@ if $@;
		458	_exit 0;
374	1	459	}
		460	}
		461
		462	=item $value = cf::db_get $family => $key
		463
		464	Returns a single value from the environment database.
		465
		466	=item cf::db_put $family => $key => $value
		467
		468	Stores the given C<$value> in the family. It can currently store binary
		469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		470
		471	=cut
		472
		473	our $DB;
		474
		475	sub db_init {
		476	unless ($DB) {
		477	$DB = BDB::db_create $DB_ENV;
		478
		479	cf::sync_job {
		480	eval {
		481	$DB->set_flags (BDB::CHKSUM);
		482
		483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		485	cf::cleanup "db_open(db): $!" if $!;
		486	};
		487	cf::cleanup "db_open(db): $@" if $@;
		488	};
		489	}
		490	}
		491
		492	sub db_get($$) {
		493	my $key = "$_[0]/$_[1]";
		494
		495	cf::sync_job {
		496	BDB::db_get $DB, undef, $key, my $data;
		497
		498	$! ? ()
		499	: $data
		500	}
		501	}
		502
		503	sub db_put($$$) {
		504	BDB::dbreq_pri 4;
		505	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		506	}
		507
		508	=item cf::cache $id => [$paths...], $processversion => $process
		509
		510	Generic caching function that returns the value of the resource $id,
		511	caching and regenerating as required.
		512
		513	This function can block.
		514
		515	=cut
		516
		517	sub cache {
		518	my ($id, $src, $processversion, $process) = @_;
		519
		520	my $meta =
		521	join "\x00",
		522	$processversion,
		523	map {
		524	aio_stat $_
		525	and Carp::croak "$_: $!";
		526
		527	($_, (stat _)[7,9])
		528	} @$src;
		529
		530	my $dbmeta = db_get cache => "$id/meta";
		531	if ($dbmeta ne $meta) {
		532	# changed, we may need to process
		533
		534	my @data;
		535	my $md5;
		536
		537	for (0 .. $#$src) {
		538	0 <= aio_load $src->[$_], $data[$_]
		539	or Carp::croak "$src->[$_]: $!";
		540	}
		541
		542	# if processing is expensive, check
		543	# checksum first
		544	if (1) {
		545	$md5 =
		546	join "\x00",
		547	$processversion,
		548	map {
		549	Coro::cede;
		550	($src->[$_], Digest::MD5::md5_hex $data[$_])
		551	} 0.. $#$src;
		552
		553
		554	my $dbmd5 = db_get cache => "$id/md5";
		555	if ($dbmd5 eq $md5) {
		556	db_put cache => "$id/meta", $meta;
		557
		558	return db_get cache => "$id/data";
		559	}
		560	}
		561
		562	my $t1 = Time::HiRes::time;
		563	my $data = $process->(\@data);
		564	my $t2 = Time::HiRes::time;
		565
		566	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		567
		568	db_put cache => "$id/data", $data;
		569	db_put cache => "$id/md5" , $md5;
		570	db_put cache => "$id/meta", $meta;
		571
		572	return $data;
		573	}
		574
		575	db_get cache => "$id/data"
		576	}
		577
		578	=item cf::datalog type => key => value, ...
		579
		580	Log a datalog packet of the given type with the given key-value pairs.
		581
		582	=cut
		583
		584	sub datalog($@) {
		585	my ($type, %kv) = @_;
		586	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	587	}
376		588
377	=back	589	=back
378		590
379	=cut	591	=cut
…		…
386	attach callbacks/event handlers (a collection of which is called an "attachment")	598	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	599	to it. All such attachable objects support the following methods.
388		600
389	In the following description, CLASS can be any of C<global>, C<object>	601	In the following description, CLASS can be any of C<global>, C<object>
390	C<player>, C<client> or C<map> (i.e. the attachable objects in	602	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	603	Crossfire TRT).
392		604
393	=over 4	605	=over 4
394		606
395	=item $attachable->attach ($attachment, key => $value...)	607	=item $attachable->attach ($attachment, key => $value...)
396		608
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	771	$registry = $CB_TYPE[$object_type] ||= [];
560		772
561	} elsif ($type eq "subtype") {	773	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	774	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	775	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	776	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		777
566	} elsif ($type eq "package") {	778	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	779	my $pkg = shift @arg;
568		780
569	while (my ($name, $id) = each %cb_id) {	781	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	810	_attach $registry, $klass, @attach;
599	}	811	}
600		812
601	$obj->{$name} = \%arg;	813	$obj->{$name} = \%arg;
602	} else {	814	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	815	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	816	}
605		817
606	$obj->{_attachment}{$name} = undef;	818	$obj->{_attachment}{$name} = undef;
607	}	819	}
608		820
…		…
610	if (ref $_[0]) {	822	if (ref $_[0]) {
611	_object_attach @_;	823	_object_attach @_;
612	} else {	824	} else {
613	_attach shift->_attach_registry, @_;	825	_attach shift->_attach_registry, @_;
614	}	826	}
		827	_recalc_want;
615	};	828	};
616		829
617	# all those should be optimised	830	# all those should be optimised
618	sub cf::attachable::detach {	831	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	832	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	835	delete $obj->{_attachment}{$name};
623	reattach ($obj);	836	reattach ($obj);
624	} else {	837	} else {
625	Carp::croak "cannot, currently, detach class attachments";	838	Carp::croak "cannot, currently, detach class attachments";
626	}	839	}
		840	_recalc_want;
627	};	841	};
628		842
629	sub cf::attachable::attached {	843	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
631		845
…		…
778	}	992	}
779	} else {	993	} else {
780	aio_unlink $filename;	994	aio_unlink $filename;
781	aio_unlink "$filename.pst";	995	aio_unlink "$filename.pst";
782	}	996	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	997	}
790	}	998	}
791		999
792	sub object_freezer_as_string {	1000	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1001	my ($rdata, $objs) = @_;
…		…
799		1007
800	sub object_thawer_load {	1008	sub object_thawer_load {
801	my ($filename) = @_;	1009	my ($filename) = @_;
802		1010
803	my ($data, $av);	1011	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1012
808	(aio_load $filename, $data) >= 0	1013	(aio_load $filename, $data) >= 0
809	or return;	1014	or return;
810		1015
811	unless (aio_stat "$filename.pst") {	1016	unless (aio_stat "$filename.pst") {
…		…
813	or return;	1018	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	1019	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1020	}
816		1021
817	warn sprintf "loading %s (%d)\n",	1022	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1023	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	1024	return ($data, $av);
820	}	1025	}
		1026
		1027	=head2 COMMAND CALLBACKS
		1028
		1029	=over 4
		1030
		1031	=cut
821		1032
822	#############################################################################	1033	#############################################################################
823	# command handling &c	1034	# command handling &c
824		1035
825	=item cf::register_command $name => \&callback($ob,$args);	1036	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1049	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1050	}
840		1051
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1052	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1053
843	Register a callbackf ro execution when the client sends an extcmd packet.	1054	Register a callback for execution when the client sends an (synchronous)
		1055	extcmd packet. Ext commands will be processed in the order they are
		1056	received by the server, like other user commands. The first argument is
		1057	the logged-in player. Ext commands can only be processed after a player
		1058	has logged in successfully.
844		1059
845	If the callback returns something, it is sent back as if reply was being	1060	If the callback returns something, it is sent back as if reply was being
846	called.	1061	called.
847		1062
		1063	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1064
		1065	Register a callback for execution when the client sends an (asynchronous)
		1066	exticmd packet. Exti commands are processed by the server as soon as they
		1067	are received, i.e. out of order w.r.t. other commands. The first argument
		1068	is a client socket. Exti commands can be received anytime, even before
		1069	log-in.
		1070
		1071	If the callback returns something, it is sent back as if reply was being
		1072	called.
		1073
848	=cut	1074	=cut
849		1075
850	sub register_extcmd {	1076	sub register_extcmd {
851	my ($name, $cb) = @_;	1077	my ($name, $cb) = @_;
852		1078
853	$EXTCMD{$name} = $cb;	1079	$EXTCMD{$name} = $cb;
		1080	}
		1081
		1082	sub register_exticmd {
		1083	my ($name, $cb) = @_;
		1084
		1085	$EXTICMD{$name} = $cb;
854	}	1086	}
855		1087
856	cf::player->attach (	1088	cf::player->attach (
857	on_command => sub {	1089	on_command => sub {
858	my ($pl, $name, $params) = @_;	1090	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1099	cf::override;
868	},	1100	},
869	on_extcmd => sub {	1101	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1102	my ($pl, $buf) = @_;
871		1103
872	my $msg = eval { from_json $buf };	1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1105
874	if (ref $msg) {	1106	if (ref $msg) {
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
876	if (my %reply = $cb->($pl, $msg)) {	1108	if (my %reply = $cb->($pl, $msg)) {
877	$pl->ext_reply ($msg->{msgid}, %reply);	1109	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
883		1115
884	cf::override;	1116	cf::override;
885	},	1117	},
886	);	1118	);
887		1119
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1120	sub load_extensions {
		1121	cf::sync_job {
		1122	my %todo;
		1123
923	for my $ext (<$LIBDIR/*.ext>) {	1124	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1125	next unless -r $path;
925	eval {	1126
926	load_extension $ext;	1127	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1128	my $base = $1;
		1129	my $pkg = $1;
		1130	$pkg =~ s/[^[:word:]]/_/g;
		1131	$pkg = "ext::$pkg";
		1132
		1133	open my $fh, "<:utf8", $path
		1134	or die "$path: $!";
		1135
		1136	my $source = do { local $/; <$fh> };
		1137
		1138	my %ext = (
		1139	path => $path,
		1140	base => $base,
		1141	pkg => $pkg,
		1142	);
		1143
		1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1146
		1147	$ext{source} =
		1148	"package $pkg; use strict; use utf8;\n"
		1149	. "#line 1 \"$path\"\n{\n"
		1150	. $source
		1151	. "\n};\n1";
		1152
		1153	$todo{$base} = \%ext;
		1154	}
		1155
		1156	my %done;
		1157	while (%todo) {
		1158	my $progress;
		1159
		1160	while (my ($k, $v) = each %todo) {
		1161	for (split /,\s*/, $v->{meta}{depends}) {
		1162	goto skip
		1163	unless exists $done{$_};
		1164	}
		1165
		1166	warn "... loading '$k' into '$v->{pkg}'\n";
		1167
		1168	unless (eval $v->{source}) {
		1169	my $msg = $@ ? "$v->{path}: $@\n"
		1170	: "$v->{base}: extension inactive.\n";
		1171
		1172	if (exists $v->{meta}{mandatory}) {
		1173	warn $msg;
		1174	warn "mandatory extension failed to load, exiting.\n";
		1175	exit 1;
		1176	}
		1177
		1178	warn $msg;
		1179	}
		1180
		1181	$done{$k} = delete $todo{$k};
		1182	push @EXTS, $v->{pkg};
		1183	$progress = 1;
927	1	1184	}
928	} or warn "$ext not loaded: $@";	1185
		1186	skip:
		1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1188	unless $progress;
		1189	}
929	}	1190	};
930	}	1191	}
931		1192
932	#############################################################################	1193	#############################################################################
933		1194
		1195	=back
		1196
934	=head2 CORE EXTENSIONS	1197	=head2 CORE EXTENSIONS
935		1198
936	Functions and methods that extend core crossfire objects.	1199	Functions and methods that extend core crossfire objects.
937		1200
938	=cut	1201	=cut
…		…
950	Returns the given player object, loading it if necessary (might block).	1213	Returns the given player object, loading it if necessary (might block).
951		1214
952	=cut	1215	=cut
953		1216
954	sub playerdir($) {	1217	sub playerdir($) {
955	cf::localdir	1218	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1219	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1220	}
961		1221
962	sub path($) {	1222	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1223	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1224
965	(playerdir $login) . "/$login.pl"	1225	(playerdir $login) . "/playerdata"
966	}	1226	}
967		1227
968	sub find_active($) {	1228	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1229	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1230	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1243	my $login = $_[0];
984		1244
985	my $guard = cf::lock_acquire "user_find:$login";	1245	my $guard = cf::lock_acquire "user_find:$login";
986		1246
987	$cf::PLAYER{$_[0]} || do {	1247	$cf::PLAYER{$_[0]} || do {
		1248	# rename old playerfiles to new ones
		1249	#TODO: remove when no longer required
		1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1253	aio_unlink +(playerdir $login) . "/$login.pl";
		1254
988	my $pl = load_pl path $login	1255	my $pl = load_pl path $login
989	or return;	1256	or return;
990	$cf::PLAYER{$login} = $pl	1257	$cf::PLAYER{$login} = $pl
991	}	1258	}
992	}	1259	}
…		…
1029		1296
1030	=cut	1297	=cut
1031		1298
1032	sub quit_character {	1299	sub quit_character {
1033	my ($pl) = @_;	1300	my ($pl) = @_;
		1301
		1302	my $name = $pl->ob->name;
1034		1303
1035	$pl->{deny_save} = 1;	1304	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1305	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1306
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1312	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1313	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1314	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1315	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1316	$pl->destroy;
		1317
		1318	my $prefix = qr<^~\Q$name\E/>;
		1319
		1320	# nuke player maps
		1321	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1322
1048	IO::AIO::aio_rmtree $temp;	1323	IO::AIO::aio_rmtree $temp;
		1324	}
		1325
		1326	=item $pl->kick
		1327
		1328	Kicks a player out of the game. This destroys the connection.
		1329
		1330	=cut
		1331
		1332	sub kick {
		1333	my ($pl, $kicker) = @_;
		1334
		1335	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1336	$pl->killer ("kicked");
		1337	$pl->ns->destroy;
1049	}	1338	}
1050		1339
1051	=item cf::player::list_logins	1340	=item cf::player::list_logins
1052		1341
1053	Returns am arrayref of all valid playernames in the system, can take a	1342	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1343	while and may block, so not sync_job-capable, ever.
1055		1344
1056	=cut	1345	=cut
1057		1346
1058	sub list_logins {	1347	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1348	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1349	or return [];
1061		1350
1062	my @logins;	1351	my @logins;
1063		1352
1064	for my $login (@$dirs) {	1353	for my $login (@$dirs) {
…		…
1099	}	1388	}
1100		1389
1101	\@paths	1390	\@paths
1102	}	1391	}
1103		1392
		1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1394
		1395	Expand crossfire pod fragments into protocol xml.
		1396
		1397	=cut
		1398
		1399	sub expand_cfpod {
		1400	((my $self), (local $_)) = @_;
		1401
		1402	# escape & and <
		1403	s/&/&amp;/g;
		1404	s/(?<![BIUGH])</&lt;/g;
		1405
		1406	# this is buggy, it needs to properly take care of nested <'s
		1407
		1408	1 while
		1409	# replace B<>, I<>, U<> etc.
		1410	s/B<([^\>]*)>/<b>$1<\/b>/
		1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1413	# replace G<male|female> tags
		1414	|| s{G<([^>|]*)\|([^>]*)>}{
		1415	$self->gender ? $2 : $1
		1416	}ge
		1417	# replace H<hint text>
		1418	|| s{H<([^\>]*)>}
		1419	{
		1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1422	"")
		1423	[$self->{hintmode}]
		1424	}ge;
		1425
		1426	# create single paragraphs (very hackish)
		1427	s/(?<=\S)\n(?=\w)/ /g;
		1428
		1429	# compress some whitespace
		1430	s/\s+\n/\n/g; # ws line-ends
		1431	s/\n\n+/\n/g; # double lines
		1432	s/^\n+//; # beginning lines
		1433	s/\n+$//; # ending lines
		1434
		1435	$_
		1436	}
		1437
		1438	sub hintmode {
		1439	$_[0]{hintmode} = $_[1] if @_ > 1;
		1440	$_[0]{hintmode}
		1441	}
		1442
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1443	=item $player->ext_reply ($msgid, %msg)
1105		1444
1106	Sends an ext reply to the player.	1445	Sends an ext reply to the player.
1107		1446
1108	=cut	1447	=cut
1109		1448
1110	sub ext_reply($$$%) {	1449	sub ext_reply($$%) {
1111	my ($self, $id, %msg) = @_;	1450	my ($self, $id, %msg) = @_;
1112		1451
1113	$msg{msgid} = $id;	1452	$msg{msgid} = $id;
1114		1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1454	}
1117		1455
1118	package cf;	1456	=item $player->ext_event ($type, %msg)
		1457
		1458	Sends an ext event to the client.
		1459
		1460	=cut
		1461
		1462	sub ext_event($$%) {
		1463	my ($self, $type, %msg) = @_;
		1464
		1465	$self->ns->ext_event ($type, %msg);
		1466	}
		1467
		1468	=head3 cf::region
		1469
		1470	=over 4
		1471
		1472	=cut
		1473
		1474	package cf::region;
		1475
		1476	=item cf::region::find_by_path $path
		1477
		1478	Tries to decuce the likely region for a map knowing only its path.
		1479
		1480	=cut
		1481
		1482	sub find_by_path($) {
		1483	my ($path) = @_;
		1484
		1485	my ($match, $specificity);
		1486
		1487	for my $region (list) {
		1488	if ($region->match && $path =~ $region->match) {
		1489	($match, $specificity) = ($region, $region->specificity)
		1490	if $region->specificity > $specificity;
		1491	}
		1492	}
		1493
		1494	$match
		1495	}
1119		1496
1120	=back	1497	=back
1121
1122		1498
1123	=head3 cf::map	1499	=head3 cf::map
1124		1500
1125	=over 4	1501	=over 4
1126		1502
…		…
1181	my ($self, $merge) = @_;	1557	my ($self, $merge) = @_;
1182		1558
1183	# we have to keep some variables in memory intact	1559	# we have to keep some variables in memory intact
1184	local $self->{path};	1560	local $self->{path};
1185	local $self->{load_path};	1561	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1562
1189	$self->SUPER::thawer_merge ($merge);	1563	$self->SUPER::thawer_merge ($merge);
1190	}	1564	}
1191		1565
1192	sub normalise {	1566	sub normalise {
…		…
1264		1638
1265	# the original (read-only) location	1639	# the original (read-only) location
1266	sub load_path {	1640	sub load_path {
1267	my ($self) = @_;	1641	my ($self) = @_;
1268		1642
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1643	"$MAPDIR/$self->{path}.map"
1270	}	1644	}
1271		1645
1272	# the temporary/swap location	1646	# the temporary/swap location
1273	sub save_path {	1647	sub save_path {
1274	my ($self) = @_;	1648	my ($self) = @_;
1275		1649
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1651	"$TMPDIR/$path.map"
1278	}	1652	}
1279		1653
1280	# the unique path, undef == no special unique path	1654	# the unique path, undef == no special unique path
1281	sub uniq_path {	1655	sub uniq_path {
1282	my ($self) = @_;	1656	my ($self) = @_;
1283		1657
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1659	"$UNIQUEDIR/$path"
1286	}	1660	}
1287		1661
1288	# and all this just because we cannot iterate over	1662	# and all this just because we cannot iterate over
1289	# all maps in C++...	1663	# all maps in C++...
1290	sub change_all_map_light {	1664	sub change_all_map_light {
…		…
1292		1666
1293	$_->change_map_light ($change)	1667	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1668	for grep $_->outdoor, values %cf::MAP;
1295	}	1669	}
1296		1670
		1671	sub decay_objects {
		1672	my ($self) = @_;
		1673
		1674	return if $self->{deny_reset};
		1675
		1676	$self->do_decay_objects;
		1677	}
		1678
1297	sub unlink_save {	1679	sub unlink_save {
1298	my ($self) = @_;	1680	my ($self) = @_;
1299		1681
1300	utf8::encode (my $save = $self->save_path);	1682	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1683	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1684	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1685	}
1309		1686
1310	sub load_header_from($) {	1687	sub load_header_from($) {
1311	my ($self, $path) = @_;	1688	my ($self, $path) = @_;
1312		1689
…		…
1362	$self->load_header_orig	1739	$self->load_header_orig
1363	or return;	1740	or return;
1364	$self->prepare_orig;	1741	$self->prepare_orig;
1365	}	1742	}
1366		1743
		1744	$self->{deny_reset} = 1
		1745	if $self->no_reset;
		1746
		1747	$self->default_region (cf::region::find_by_path $self->{path})
		1748	unless $self->default_region;
		1749
1367	1	1750	1
1368	}	1751	}
1369		1752
1370	sub find;	1753	sub find;
1371	sub find {	1754	sub find {
…		…
1383	$map->{last_save} = $cf::RUNTIME;	1766	$map->{last_save} = $cf::RUNTIME;
1384		1767
1385	$map->load_header	1768	$map->load_header
1386	or return;	1769	or return;
1387		1770
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1772	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1773	#$cf::WAIT_FOR_TICK->wait;
1391	$map->reset;	1774	$map->reset;
1392	undef $guard;	1775	undef $guard;
1393	return find $path;	1776	return find $path;
…		…
1404	my ($self) = @_;	1787	my ($self) = @_;
1405		1788
1406	local $self->{deny_reset} = 1; # loading can take a long time	1789	local $self->{deny_reset} = 1; # loading can take a long time
1407		1790
1408	my $path = $self->{path};	1791	my $path = $self->{path};
		1792
		1793	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1794	my $guard = cf::lock_acquire "map_load:$path";
1410		1795
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1796	return if $self->in_memory != cf::MAP_SWAPPED;
1412		1797
1413	$self->in_memory (cf::MAP_LOADING);	1798	$self->in_memory (cf::MAP_LOADING);
1414		1799
1415	$self->alloc;	1800	$self->alloc;
1416		1801
1417	$self->pre_load;	1802	$self->pre_load;
1418
1419	$self->_load_objects ($self->{load_path}, 1)
1420	or return;
1421
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};
1424
1425	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);
1430	}
1431	}
1432
1433	Coro::cede;
1434
1435	# now do the right thing for maps
1436	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;	1803	Coro::cede;
1443	$self->set_darkness_map;	1804
		1805	$self->_load_objects ($self->{load_path}, 1)
		1806	or return;
		1807
		1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1809	if delete $self->{load_original};
		1810
		1811	if (my $uniq = $self->uniq_path) {
		1812	utf8::encode $uniq;
		1813	if (aio_open $uniq, O_RDONLY, 0) {
		1814	$self->clear_unique_items;
		1815	$self->_load_objects ($uniq, 0);
		1816	}
		1817	}
		1818
		1819	Coro::cede;
		1820	# now do the right thing for maps
		1821	$self->link_multipart_objects;
1444	$self->difficulty ($self->estimate_difficulty)	1822	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1823	unless $self->difficulty;
1446	Coro::cede;	1824	Coro::cede;
		1825
		1826	unless ($self->{deny_activate}) {
		1827	$self->decay_objects;
		1828	$self->fix_auto_apply;
		1829	$self->update_buttons;
		1830	Coro::cede;
		1831	$self->set_darkness_map;
		1832	Coro::cede;
1447	$self->activate;	1833	$self->activate;
		1834	}
		1835
		1836	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1837	}
1449		1838
1450	$self->post_load;	1839	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1840	}
1454		1841
1455	sub customise_for {	1842	sub customise_for {
1456	my ($self, $ob) = @_;	1843	my ($self, $ob) = @_;
1457		1844
1458	return find "~" . $ob->name . "/" . $self->{path}	1845	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	1846	if $self->per_player;
		1847
		1848	# return find "?party/" . $ob->name . "/" . $self->{path}
		1849	# if $self->per_party;
1460		1850
1461	$self	1851	$self
1462	}	1852	}
1463		1853
1464	# find and load all maps in the 3x3 area around a map	1854	# find and load all maps in the 3x3 area around a map
…		…
1575		1965
1576	sub reset_at {	1966	sub reset_at {
1577	my ($self) = @_;	1967	my ($self) = @_;
1578		1968
1579	# TODO: safety, remove and allow resettable per-player maps	1969	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	1970	return 1e99 if $self->{deny_reset};
1582		1971
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1972	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1973	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		1974
…		…
1596	my ($self) = @_;	1985	my ($self) = @_;
1597		1986
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	1987	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		1988
1600	return if $self->players;	1989	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		1990
1603	warn "resetting map ", $self->path;#d#	1991	warn "resetting map ", $self->path;
		1992
		1993	$self->in_memory (cf::MAP_SWAPPED);
		1994
		1995	# need to save uniques path
		1996	unless ($self->{deny_save}) {
		1997	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1998
		1999	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2000	if $uniq;
		2001	}
1604		2002
1605	delete $cf::MAP{$self->path};	2003	delete $cf::MAP{$self->path};
1606		2004
1607	$self->in_memory (cf::MAP_SWAPPED);
1608	$self->clear;	2005	$self->clear;
1609		2006
1610	$_->clear_links_to ($self) for values %cf::MAP;	2007	$_->clear_links_to ($self) for values %cf::MAP;
1611		2008
1612	$self->unlink_save;	2009	$self->unlink_save;
…		…
1631	$cf::MAP{$self->path} = $self;	2028	$cf::MAP{$self->path} = $self;
1632		2029
1633	$self->reset; # polite request, might not happen	2030	$self->reset; # polite request, might not happen
1634	}	2031	}
1635		2032
		2033	=item $maps = cf::map::tmp_maps
		2034
		2035	Returns an arrayref with all map paths of currently instantiated and saved
		2036	maps. May block.
		2037
		2038	=cut
		2039
		2040	sub tmp_maps() {
		2041	[
		2042	map {
		2043	utf8::decode $_;
		2044	/\.map$/
		2045	? normalise $_
		2046	: ()
		2047	} @{ aio_readdir $TMPDIR or [] }
		2048	]
		2049	}
		2050
		2051	=item $maps = cf::map::random_maps
		2052
		2053	Returns an arrayref with all map paths of currently instantiated and saved
		2054	random maps. May block.
		2055
		2056	=cut
		2057
		2058	sub random_maps() {
		2059	[
		2060	map {
		2061	utf8::decode $_;
		2062	/\.map$/
		2063	? normalise "?random/$_"
		2064	: ()
		2065	} @{ aio_readdir $RANDOMDIR or [] }
		2066	]
		2067	}
		2068
1636	=item cf::map::unique_maps	2069	=item cf::map::unique_maps
1637		2070
1638	Returns an arrayref of paths of all shared maps that have	2071	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2072	instantiated unique items. May block.
1640		2073
1641	=cut	2074	=cut
1642		2075
1643	sub unique_maps() {	2076	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2077	[
1645	or return;	2078	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2079	utf8::decode $_;
1651	next if /\.pst$/;	2080	/\.map$/
1652	next unless /^$PATH_SEP/o;	2081	? normalise $_
1653		2082	: ()
1654	push @paths, cf::map::normalise $_;	2083	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2084	]
1656
1657	\@paths
1658	}	2085	}
1659		2086
1660	package cf;	2087	package cf;
1661		2088
1662	=back	2089	=back
…		…
1708		2135
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2136	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2137
1711	if ($self->{record_replies}) {	2138	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2139	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2140
1713	} else {	2141	} else {
		2142	my $pl = $self->contr;
		2143
		2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2145	my $diag = $pl->{npc_dialog};
		2146	$diag->{pl}->ext_reply (
		2147	$diag->{id},
		2148	msgtype => "reply",
		2149	msg => $diag->{pl}->expand_cfpod ($msg),
		2150	add_topics => []
		2151	);
		2152
		2153	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2154	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2155	$self->message ($msg, $flags);
		2156	}
1716	}	2157	}
1717	}	2158	}
1718		2159
1719	=item $player_object->may ("access")	2160	=item $player_object->may ("access")
1720		2161
…		…
1768	$self->deactivate_recursive;	2209	$self->deactivate_recursive;
1769		2210
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2211	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2212
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2214	if $self->map && $self->map->{path} ne "{link}";
1774		2215
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2217	}
1777		2218
1778	sub cf::object::player::leave_link {	2219	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2220	my ($self, $map, $x, $y) = @_;
		2221
		2222	return unless $self->contr->active;
1780		2223
1781	my $link_pos = delete $self->{_link_pos};	2224	my $link_pos = delete $self->{_link_pos};
1782		2225
1783	unless ($map) {	2226	unless ($map) {
1784	# restore original map position	2227	# restore original map position
…		…
1802	$map->load;	2245	$map->load;
1803	$map->load_diag;	2246	$map->load_diag;
1804		2247
1805	return unless $self->contr->active;	2248	return unless $self->contr->active;
1806	$self->activate_recursive;	2249	$self->activate_recursive;
		2250
		2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2252	$self->enter_map ($map, $x, $y);
1808	}	2253	}
1809		2254
1810	cf::player->attach (
1811	on_logout => sub {
1812	my ($pl) = @_;
1813
1814	# abort map switching before logout
1815	if ($pl->ob->{_link_pos}) {
1816	cf::sync_job {
1817	$pl->ob->leave_link
1818	};
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)	2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1843		2256
		2257	Moves the player to the given map-path and coordinates by first freezing
		2258	her, loading and preparing them map, calling the provided $check callback
		2259	that has to return the map if sucecssful, and then unfreezes the player on
		2260	the new (success) or old (failed) map position.
		2261
1844	=cut	2262	=cut
		2263
		2264	our $GOTOGEN;
1845		2265
1846	sub cf::object::player::goto {	2266	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2267	my ($self, $path, $x, $y, $check) = @_;
		2268
		2269	# do generation counting so two concurrent goto's will be executed in-order
		2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2271
1849	$self->enter_link;	2272	$self->enter_link;
1850		2273
1851	(async {	2274	(async {
1852	my $map = eval {	2275	my $map = eval {
1853	my $map = cf::map::find $path;	2276	my $map = cf::map::find $path;
		2277
		2278	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2279	$map = $map->customise_for ($self);
		2280	$map = $check->($map) if $check && $map;
		2281	} else {
		2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2283	}
		2284
1855	$map	2285	$map
		2286	};
		2287
		2288	if ($@) {
		2289	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2290	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2291	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2292
		2293	if ($gen == $self->{_goto_generation}) {
		2294	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2295	$self->leave_link ($map, $x, $y);
		2296	}
1860	})->prio (1);	2297	})->prio (1);
1861	}	2298	}
1862		2299
1863	=item $player_object->enter_exit ($exit_object)	2300	=item $player_object->enter_exit ($exit_object)
1864		2301
…		…
1903		2340
1904	$rmp->{random_seed} ||= $exit->random_seed;	2341	$rmp->{random_seed} ||= $exit->random_seed;
1905		2342
1906	my $data = cf::to_json $rmp;	2343	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2344	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2345	my $meta = "$RANDOMDIR/$md5.meta";
1909		2346
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2348	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2349	undef $fh;
1913	aio_rename "$meta~", $meta;	2350	aio_rename "$meta~", $meta;
…		…
1922		2359
1923	return unless $self->type == cf::PLAYER;	2360	return unless $self->type == cf::PLAYER;
1924		2361
1925	if ($exit->slaying eq "/!") {	2362	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2364	# the problem is that $exit might not survive long enough
		2365	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2366	cf::sync_job { prepare_random_map $exit };
1928	}	2367	}
1929		2368
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2370	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2371	my $sp = $exit->stats->sp;
1933		2372
1934	$self->enter_link;	2373	$self->enter_link;
		2374
		2375	# if exit is damned, update players death & WoR home-position
		2376	$self->contr->savebed ($slaying, $hp, $sp)
		2377	if $exit->flag (FLAG_DAMNED);
1935		2378
1936	(async {	2379	(async {
1937	$self->deactivate_recursive; # just to be sure	2380	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2381	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2382	$self->goto ($slaying, $hp, $sp);
1940		2383
1941	1;	2384	1;
1942	}) {	2385	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2386	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2387	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2388	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2389	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2390
1948	warn "ERROR in enter_exit: $@";	2391	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2392	$self->leave_link;
1950	}	2393	}
1951	})->prio (1);	2394	})->prio (1);
…		…
1964		2407
1965	sub cf::client::send_drawinfo {	2408	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2409	my ($self, $text, $flags) = @_;
1967		2410
1968	utf8::encode $text;	2411	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2413	}
1971		2414
		2415	=item $client->send_msg ($color, $type, $msg, [extra...])
		2416
		2417	Send a drawinfo or msg packet to the client, formatting the msg for the
		2418	client if neccessary. C<$type> should be a string identifying the type of
		2419	the message, with C<log> being the default. If C<$color> is negative, suppress
		2420	the message unless the client supports the msg packet.
		2421
		2422	=cut
		2423
		2424	sub cf::client::send_msg {
		2425	my ($self, $color, $type, $msg, @extra) = @_;
		2426
		2427	$msg = $self->pl->expand_cfpod ($msg);
		2428
		2429	return unless @extra || length $msg;
		2430
		2431	if ($self->can_msg) {
		2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2433	} else {
		2434	# replace some tags by gcfclient-compatible ones
		2435	for ($msg) {
		2436	1 while
		2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2442	}
		2443
		2444	if ($color >= 0) {
		2445	if (0 && $msg =~ /\[/) {
		2446	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2447	} else {
		2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2449	$self->send_packet ("drawinfo $color $msg")
		2450	}
		2451	}
		2452	}
		2453	}
		2454
		2455	=item $client->ext_event ($type, %msg)
		2456
		2457	Sends an ext event to the client.
		2458
		2459	=cut
		2460
		2461	sub cf::client::ext_event($$%) {
		2462	my ($self, $type, %msg) = @_;
		2463
		2464	$msg{msgtype} = "event_$type";
		2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2466	}
1972		2467
1973	=item $success = $client->query ($flags, "text", \&cb)	2468	=item $success = $client->query ($flags, "text", \&cb)
1974		2469
1975	Queues a query to the client, calling the given callback with	2470	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2471	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2472	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2473
1979	Queries can fail, so check the return code. Or don't, as queries will become	2474	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2475	become reliable at some point in the future.
1981		2476
1982	=cut	2477	=cut
1983		2478
1984	sub cf::client::query {	2479	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2480	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2488	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2489	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2490
1996	$self->send_packet ($self->{query_queue}[0][0])	2491	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2492	if @{ $self->{query_queue} } == 1;
		2493
		2494	1
1998	}	2495	}
1999		2496
2000	cf::client->attach (	2497	cf::client->attach (
		2498	on_connect => sub {
		2499	my ($ns) = @_;
		2500
		2501	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2502	},
2001	on_reply => sub {	2503	on_reply => sub {
2002	my ($ns, $msg) = @_;	2504	my ($ns, $msg) = @_;
2003		2505
2004	# this weird shuffling is so that direct followup queries	2506	# this weird shuffling is so that direct followup queries
2005	# get handled first	2507	# get handled first
…		…
2017	} else {	2519	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2520	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2521	}
2020	}	2522	}
2021	},	2523	},
		2524	on_exticmd => sub {
		2525	my ($ns, $buf) = @_;
		2526
		2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2528
		2529	if (ref $msg) {
		2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2531	if (my %reply = $cb->($ns, $msg)) {
		2532	$reply{msgid} = $msg->{msgid};
		2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2534	}
		2535	}
		2536	} else {
		2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2538	}
		2539
		2540	cf::override;
		2541	},
2022	);	2542	);
2023		2543
2024	=item $client->async (\&cb)	2544	=item $client->async (\&cb)
2025		2545
2026	Create a new coroutine, running the specified callback. The coroutine will	2546	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		2593
2074	# here we export the classes and methods available to script code	2594	# here we export the classes and methods available to script code
2075		2595
2076	=pod	2596	=pod
2077		2597
2078	The following fucntions and emthods are available within a safe environment:	2598	The following functions and methods are available within a safe environment:
2079		2599
2080	cf::object contr pay_amount pay_player map	2600	cf::object
		2601	contr pay_amount pay_player map x y force_find force_add
		2602	insert remove
		2603
2081	cf::object::player player	2604	cf::object::player
2082	cf::player peaceful	2605	player
2083	cf::map trigger	2606
		2607	cf::player
		2608	peaceful
		2609
		2610	cf::map
		2611	trigger
2084		2612
2085	=cut	2613	=cut
2086		2614
2087	for (	2615	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2617	insert remove)],
2089	["cf::object::player" => qw(player)],	2618	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	2619	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	2620	["cf::map" => qw(trigger)],
2092	) {	2621	) {
2093	no strict 'refs';	2622	no strict 'refs';
…		…
2164	=back	2693	=back
2165		2694
2166	=cut	2695	=cut
2167		2696
2168	#############################################################################	2697	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	2698	# the server's init and main functions
2278		2699
2279	sub load_resources {	2700	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2701	my ($path) = @_;
		2702
		2703	warn "loading facedata from $path\n";
		2704
		2705	my $facedata;
		2706	0 < aio_load $path, $facedata
		2707	or die "$path: $!";
		2708
		2709	$facedata = Coro::Storable::thaw $facedata;
		2710
		2711	$facedata->{version} == 2
		2712	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2713
		2714	{
		2715	my $faces = $facedata->{faceinfo};
		2716
		2717	while (my ($face, $info) = each %$faces) {
		2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2722	Coro::cede;
		2723	}
		2724
		2725	while (my ($face, $info) = each %$faces) {
		2726	next unless $info->{smooth};
		2727	my $idx = cf::face::find $face
		2728	or next;
		2729	if (my $smooth = cf::face::find $info->{smooth}) {
		2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2731	} else {
		2732	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2733	}
		2734	Coro::cede;
		2735	}
		2736	}
		2737
		2738	{
		2739	my $anims = $facedata->{animinfo};
		2740
		2741	while (my ($anim, $info) = each %$anims) {
		2742	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2743	Coro::cede;
		2744	}
		2745
		2746	cf::anim::invalidate_all; # d'oh
		2747	}
		2748
		2749	1
		2750	}
		2751
		2752	sub reload_regions {
		2753	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	2754	or die "unable to load regions file\n";
		2755	}
		2756
		2757	sub reload_facedata {
		2758	load_facedata "$DATADIR/facedata"
		2759	or die "unable to load facedata\n";
		2760	}
		2761
		2762	sub reload_archetypes {
		2763	load_resource_file "$DATADIR/archetypes"
		2764	or die "unable to load archetypes\n";
		2765	#d# NEED to laod twice to resolve forward references
		2766	# this really needs to be done in an extra post-pass
		2767	# (which needs to be synchronous, so solve it differently)
		2768	load_resource_file "$DATADIR/archetypes"
		2769	or die "unable to load archetypes\n";
		2770	}
		2771
		2772	sub reload_treasures {
		2773	load_resource_file "$DATADIR/treasures"
		2774	or die "unable to load treasurelists\n";
		2775	}
		2776
		2777	sub reload_resources {
		2778	warn "reloading resource files...\n";
		2779
		2780	reload_regions;
		2781	reload_facedata;
		2782	#reload_archetypes;#d#
		2783	reload_archetypes;
		2784	reload_treasures;
		2785
		2786	warn "finished reloading resource files\n";
		2787	}
		2788
		2789	sub init {
		2790	reload_resources;
2282	}	2791	}
2283		2792
2284	sub cfg_load {	2793	sub cfg_load {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	2794	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	2795	or return;
2287		2796
2288	local $/;	2797	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	2798	*CFG = YAML::Syck::Load <$fh>;
2290		2799
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2807	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	2808	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	2809	};
2301	warn $@ if $@;	2810	warn $@ if $@;
2302	}	2811	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	2812	}
2308		2813
2309	sub main {	2814	sub main {
2310	# we must not ever block the main coroutine	2815	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	2816	local $Coro::idle = sub {
…		…
2314	Event::one_event;	2819	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	2820	})->prio (Coro::PRIO_MAX);
2316	};	2821	};
2317		2822
2318	cfg_load;	2823	cfg_load;
2319	db_load;	2824	db_init;
2320	load_extensions;	2825	load_extensions;
2321		2826
2322	$TICK_WATCHER->start;	2827	$TICK_WATCHER->start;
2323	Event::loop;	2828	Event::loop;
2324	}	2829	}
…		…
2339	},	2844	},
2340	);	2845	);
2341	}	2846	}
2342	}	2847	}
2343		2848
		2849	sub write_runtime {
		2850	my $runtime = "$LOCALDIR/runtime";
		2851
		2852	# first touch the runtime file to show we are still running:
		2853	# the fsync below can take a very very long time.
		2854
		2855	IO::AIO::aio_utime $runtime, undef, undef;
		2856
		2857	my $guard = cf::lock_acquire "write_runtime";
		2858
		2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2860	or return;
		2861
		2862	my $value = $cf::RUNTIME + 90 + 10;
		2863	# 10 is the runtime save interval, for a monotonic clock
		2864	# 60 allows for the watchdog to kill the server.
		2865
		2866	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2867	and return;
		2868
		2869	# always fsync - this file is important
		2870	aio_fsync $fh
		2871	and return;
		2872
		2873	# touch it again to show we are up-to-date
		2874	aio_utime $fh, undef, undef;
		2875
		2876	close $fh
		2877	or return;
		2878
		2879	aio_rename "$runtime~", $runtime
		2880	and return;
		2881
		2882	warn "runtime file written.\n";
		2883
		2884	1
		2885	}
		2886
2344	sub emergency_save() {	2887	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	2888	my $freeze_guard = cf::freeze_mainloop;
2346		2889
2347	warn "enter emergency perl save\n";	2890	warn "enter emergency perl save\n";
2348		2891
…		…
2363	my $map = $cf::MAP{$path} or next;	2906	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	2907	$map->valid or next;
2365	$map->save;	2908	$map->save;
2366	}	2909	}
2367	warn "end emergency map save\n";	2910	warn "end emergency map save\n";
		2911
		2912	warn "begin emergency database checkpoint\n";
		2913	BDB::db_env_txn_checkpoint $DB_ENV;
		2914	warn "end emergency database checkpoint\n";
2368	};	2915	};
2369		2916
2370	warn "leave emergency perl save\n";	2917	warn "leave emergency perl save\n";
2371	}	2918	}
2372		2919
		2920	sub post_cleanup {
		2921	my ($make_core) = @_;
		2922
		2923	warn Carp::longmess "post_cleanup backtrace"
		2924	if $make_core;
		2925	}
		2926
2373	sub reload() {	2927	sub do_reload_perl() {
2374	# can/must only be called in main	2928	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	2929	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	2930	warn "can only reload from main coroutine";
2377	return;	2931	return;
2378	}	2932	}
2379		2933
2380	warn "reloading...";	2934	warn "reloading...";
2381		2935
2382	warn "cancelling server ticker";	2936	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		2937
		2938	cf::sync_job {
		2939	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	2940	cf::emergency_save;
		2941	cf::write_runtime; # external watchdog should not bark
2386		2942
2387	eval {	2943	warn "syncing database to disk";
		2944	BDB::db_env_txn_checkpoint $DB_ENV;
		2945
2388	# if anything goes wrong in here, we should simply crash as we already saved	2946	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392		2947
2393	warn "cancelling all WF_AUTOCANCEL watchers";	2948	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	2949	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	2951	}
2397		2952
2398	warn "flushing outstanding aio requests";	2953	warn "flushing outstanding aio requests";
2399	for (;;) {	2954	for (;;) {
		2955	BDB::flush;
2400	IO::AIO::flush;	2956	IO::AIO::flush;
2401	Coro::cede;	2957	Coro::cede;
2402	last unless IO::AIO::nreqs;	2958	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	2959	warn "iterate...";
2404	}	2960	}
		2961
		2962	++$RELOAD;
2405		2963
2406	warn "cancelling all extension coros";	2964	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	2965	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	2966	%EXT_CORO = ();
2409		2967
2410	warn "removing commands";	2968	warn "removing commands";
2411	%COMMAND = ();	2969	%COMMAND = ();
2412		2970
2413	warn "removing ext commands";	2971	warn "removing ext/exti commands";
2414	%EXTCMD = ();	2972	%EXTCMD = ();
		2973	%EXTICMD = ();
2415		2974
2416	warn "unloading/nuking all extensions";	2975	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	2976	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	2977	warn "... unloading $pkg";
2419		2978
…		…
2449	Symbol::delete_package "safe::$_"	3008	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3009	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3010
2452	warn "unloading cf.pm \"a bit\"";	3011	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3012	delete $INC{"cf.pm"};
		3013	delete $INC{"cf/pod.pm"};
2454		3014
2455	# don't, removes xs symbols, too,	3015	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3016	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3017	#Symbol::delete_package __PACKAGE__;
2458		3018
…		…
2462	require cf;	3022	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3024
2465	warn "loading config and database again";	3025	warn "loading config and database again";
2466	cf::cfg_load;	3026	cf::cfg_load;
2467	cf::db_load;
2468		3027
2469	warn "loading extensions";	3028	warn "loading extensions";
2470	cf::load_extensions;	3029	cf::load_extensions;
2471		3030
2472	warn "reattaching attachments to objects/players";	3031	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3032	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3033	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3034	reattach $_ for values %MAP;
		3035	warn "reattaching attachments to players";
		3036	reattach $_ for values %PLAYER;
2476		3037
2477	warn "loading reloadable resources";	3038	warn "leaving sync_job";
2478	load_resources;
2479		3039
2480	warn "restarting server ticker";	3040	1
2481		3041	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	3042	warn $@;
2487	warn "error while reloading, exiting.";	3043	warn "error while reloading, exiting.";
2488	exit 1;	3044	exit 1;
2489	}	3045	};
2490		3046
2491	warn "reloaded";	3047	warn "reloaded";
2492	};	3048	};
2493		3049
2494	our $RELOAD_WATCHER; # used only during reload	3050	our $RELOAD_WATCHER; # used only during reload
2495		3051
		3052	sub reload_perl() {
		3053	# doing reload synchronously and two reloads happen back-to-back,
		3054	# coro crashes during coro_state_free->destroy here.
		3055
		3056	$RELOAD_WATCHER ||= Event->timer (
		3057	reentrant => 0,
		3058	after => 0,
		3059	data => WF_AUTOCANCEL,
		3060	cb => sub {
		3061	do_reload_perl;
		3062	undef $RELOAD_WATCHER;
		3063	},
		3064	);
		3065	}
		3066
2496	register_command "reload" => sub {	3067	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3068	my ($who, $arg) = @_;
2498		3069
2499	if ($who->flag (FLAG_WIZ)) {	3070	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3071	$who->message ("reloading server.");
2501		3072	async { reload_perl };
2502	# doing reload synchronously and two reloads happen back-to-back,
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);
2514	}	3073	}
2515	};	3074	};
2516		3075
2517	unshift @INC, $LIBDIR;	3076	unshift @INC, $LIBDIR;
2518		3077
2519	my $bug_warning = 0;	3078	my $bug_warning = 0;
2520		3079
		3080	our @WAIT_FOR_TICK;
		3081	our @WAIT_FOR_TICK_BEGIN;
		3082
		3083	sub wait_for_tick {
		3084	return unless $TICK_WATCHER->is_active;
		3085	return if $Coro::current == $Coro::main;
		3086
		3087	my $signal = new Coro::Signal;
		3088	push @WAIT_FOR_TICK, $signal;
		3089	$signal->wait;
		3090	}
		3091
		3092	sub wait_for_tick_begin {
		3093	return unless $TICK_WATCHER->is_active;
		3094	return if $Coro::current == $Coro::main;
		3095
		3096	my $signal = new Coro::Signal;
		3097	push @WAIT_FOR_TICK_BEGIN, $signal;
		3098	$signal->wait;
		3099	}
		3100
		3101	my $min = 1e6;#d#
		3102	my $avg = 10;
2521	$TICK_WATCHER = Event->timer (	3103	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	3104	reentrant => 0,
2523	parked => 1,	3105	parked => 1,
2524	prio => 0,	3106	prio => 0,
2525	at => $NEXT_TICK || $TICK,	3107	at => $NEXT_TICK || $TICK,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3112	unless ++$bug_warning > 10;
2531	return;	3113	return;
2532	}	3114	}
2533		3115
2534	$NOW = Event::time;	3116	$NOW = $tick_start = Event::time;
2535		3117
2536	cf::server_tick; # one server iteration	3118	cf::server_tick; # one server iteration
		3119
		3120	0 && sync_job {#d#
		3121	for(1..10) {
		3122	my $t = Event::time;
		3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3124	or die;
		3125
		3126	$map->width (50);
		3127	$map->height (50);
		3128	$map->alloc;
		3129	$map->_load_objects ("/tmp/x.map", 1);
		3130	my $t = Event::time - $t;
		3131
		3132	#next unless $t < 0.0013;#d#
		3133	if ($t < $min) {
		3134	$min = $t;
		3135	}
		3136	$avg = $avg * 0.99 + $t * 0.01;
		3137	}
		3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3139	exit 0;
		3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3141	};
		3142
2537	$RUNTIME += $TICK;	3143	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	3144	$NEXT_TICK += $TICK;
2539		3145
2540	$WAIT_FOR_TICK->broadcast;	3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		3148	Coro::async_pool {
2543	Event::sweep;	3149	write_runtime
2544	Coro::cede_notself;	3150	or warn "ERROR: unable to write runtime file: $!";
		3151	};
2545		3152	}
		3153
2546	# my $AFTER = Event::time;	3154	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	3155	# warn $AFTER - $NOW;#d#
2548		3156
		3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3158	$sig->send;
		3159	}
		3160	while (my $sig = shift @WAIT_FOR_TICK) {
		3161	$sig->send;
		3162	}
		3163
		3164	$NOW = Event::time;
		3165
2549	# if we are delayed by four ticks or more, skip them all	3166	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		3168
2552	$TICK_WATCHER->at ($NEXT_TICK);	3169	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	3170	$TICK_WATCHER->start;
		3171
		3172	$LOAD = ($NOW - $tick_start) / $TICK;
		3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3174
		3175	_post_tick;
		3176
		3177
2554	},	3178	},
2555	);	3179	);
2556		3180
		3181	{
		3182	BDB::max_poll_time $TICK * 0.1;
		3183	$BDB_POLL_WATCHER = Event->io (
		3184	reentrant => 0,
		3185	fd => BDB::poll_fileno,
		3186	poll => 'r',
		3187	prio => 0,
		3188	data => WF_AUTOCANCEL,
		3189	cb => \&BDB::poll_cb,
		3190	);
		3191	BDB::min_parallel 8;
		3192
		3193	BDB::set_sync_prepare {
		3194	my $status;
		3195	my $current = $Coro::current;
		3196	(
		3197	sub {
		3198	$status = $!;
		3199	$current->ready; undef $current;
		3200	},
		3201	sub {
		3202	Coro::schedule while defined $current;
		3203	$! = $status;
		3204	},
		3205	)
		3206	};
		3207
		3208	unless ($DB_ENV) {
		3209	$DB_ENV = BDB::db_env_create;
		3210
		3211	cf::sync_job {
		3212	eval {
		3213	BDB::db_env_open
		3214	$DB_ENV,
		3215	$BDBDIR,
		3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3218	0666;
		3219
		3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3221
		3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3223	$DB_ENV->set_lk_detect;
		3224	};
		3225
		3226	cf::cleanup "db_env_open(db): $@" if $@;
		3227	};
		3228	}
		3229	}
		3230
		3231	{
		3232	IO::AIO::min_parallel 8;
		3233
		3234	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3235	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3236	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3237	reentrant => 0,
		3238	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3239	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3240	poll => 'r',
2564	prio => 6,	3241	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3242	cb => \&IO::AIO::poll_cb,
2567	);	3243	);
		3244	}
2568		3245
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3246	my $_log_backtrace;
2570	reentrant => 0,	3247
2571	data => WF_AUTOCANCEL,	3248	sub _log_backtrace {
2572	after => 1,	3249	my ($msg, @addr) = @_;
2573	interval => 10,	3250
2574	prio => 6, # keep it lowest so it acts like a watchdog	3251	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3252
2576	write_runtime	3253	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	3254	if ($_log_backtrace < 2) {
		3255	++$_log_backtrace;
		3256	async {
		3257	my @bt = fork_call {
		3258	@addr = map { sprintf "%x", $_ } @addr;
		3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3261	or die "addr2line: $!";
		3262
		3263	my @funcs;
		3264	my @res = <$fh>;
		3265	chomp for @res;
		3266	while (@res) {
		3267	my ($func, $line) = splice @res, 0, 2, ();
		3268	push @funcs, "[$func] $line";
		3269	}
		3270
		3271	@funcs
		3272	};
		3273
		3274	LOG llevInfo, "[ABT] $msg\n";
		3275	LOG llevInfo, "[ABT] $_\n" for @bt;
		3276	--$_log_backtrace;
		3277	};
		3278	} else {
		3279	LOG llevInfo, "[ABT] $msg\n";
		3280	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	3281	}
2579	);	3282	}
		3283
		3284	# load additional modules
		3285	use cf::pod;
2580		3286
2581	END { cf::emergency_save }	3287	END { cf::emergency_save }
2582		3288
2583	1	3289	1
2584		3290

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