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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.206 by root, Sun Feb 11 22:27:05 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 ();
20	use BDB ();	26	use BDB ();
21	use Data::Dumper;	27	use Data::Dumper;
22	use Digest::MD5;	28	use Digest::MD5;
23	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
24	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
27		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
28	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
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		42
32	# 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?
33	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
34		45
35	$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
36		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
37	our %COMMAND = ();	50	our %COMMAND = ();
38	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
39		52
40	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
44		58
		59	our $RELOAD; # number of reloads so far
45	our @EVENT;	60	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		61
48	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(!)
49	our $TICK_WATCHER;	75	our $TICK_WATCHER;
50	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
51	our $WRITE_RUNTIME_WATCHER;	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	78	our $NEXT_TICK;
53	our $NOW;	79	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		81
56	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
…		…
62	our $RUNTIME;	88	our $RUNTIME;
63		89
64	our %PLAYER; # all users	90	our %PLAYER; # all users
65	our %MAP; # all maps	91	our %MAP; # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	92	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		93
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $tick_start; # for load detecting purposes
		100
76	binmode STDOUT;	101	binmode STDOUT;
77	binmode STDERR;	102	binmode STDERR;
78		103
79	# read virtual server time, if available	104	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
84	}	109	}
85		110
86	mkdir cf::localdir;	111	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		113
93	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
94		115
95	sub cf::map::normalise;	116	sub cf::map::normalise;
96		117
…		…
107	=item $cf::RUNTIME	128	=item $cf::RUNTIME
108		129
109	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
110	every server tick.	131	every server tick.
111		132
112	=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
113		136
114	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		141
117	=item $cf::NOW	142	=item $cf::NOW
118		143
119	The time of the last (current) server tick.	144	The time of the last (current) server tick.
120		145
121	=item $cf::TICK	146	=item $cf::TICK
122		147
123	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.
124		159
125	=item %cf::CFG	160	=item %cf::CFG
126		161
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
128	from wherever your confdir points to.	163	from wherever your confdir points to.
129		164
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		166
132	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
133	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
134	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.
135	window of cpu time available, or simply to synchronise to the server tick.
136		170
137	=back	171	=back
138		172
139	=cut	173	=cut
140		174
141	BEGIN {	175	BEGIN {
142	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	177	my $msg = join "", @_;
144	utf8::encode $msg;
145		178
146	$msg .= "\n"	179	$msg .= "\n"
147	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
148		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
149	LOG llevError, $msg;	185	LOG llevError, $msg;
150	};	186	};
151	}	187	}
152		188
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		196
160	# 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
161	# within the Safe compartment.	198	# within the Safe compartment.
162	for my $pkg (qw(	199	for my $pkg (qw(
163	cf::global cf::attachable	200	cf::global cf::attachable
…		…
171	}	208	}
172		209
173	$Event::DIED = sub {	210	$Event::DIED = sub {
174	warn "error in event callback: @_";	211	warn "error in event callback: @_";
175	};	212	};
		213
		214	#############################################################################
176		215
177	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
178		217
179	=over 4	218	=over 4
180		219
…		…
199	$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;
200	$d	239	$d
201	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
202	}	241	}
203		242
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
207		244
208	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
209		246
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
218		248
219	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
220		250
221	=cut	251	=cut
222		252
223	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
225	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
226	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
227		257
228	=item cf::lock_wait $string	258	=item cf::lock_wait $string
229		259
230	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
231		261
…		…
237	returned.	267	returned.
238		268
239	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
240	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
241		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
242	=cut	276	=cut
243		277
244	our %LOCK;	278	our %LOCK;
245		279
246	sub lock_wait($) {	280	sub lock_wait($) {
…		…
265	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
267	}	301	}
268	}	302	}
269		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
270	sub freeze_mainloop {	310	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
272		312
273	my $guard = Coro::guard {	313	my $guard = Coro::guard {
274	$TICK_WATCHER->start;	314	$TICK_WATCHER->start;
275	$WRITE_RUNTIME_WATCHER->start;
276	};	315	};
277	$WRITE_RUNTIME_WATCHER->stop;
278	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
279	$guard	317	$guard
280	}	318	}
281		319
282	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
289		327
290	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
291		329
292	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
293		331
294	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
297		336
298	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
301	fast or be very important.	340	fast or be very important.
…		…
304		343
305	sub sync_job(&) {	344	sub sync_job(&) {
306	my ($job) = @_;	345	my ($job) = @_;
307		346
308	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
309	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
311		352
312	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
313	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
324		365
325	while ($busy) {	366	while ($busy) {
326	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
327	}	368	}
328		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
329	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
330	} else {	378	} else {
331	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
332		380
333	$job->()	381	$job->()
…		…
352	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
353		401
354	$coro	402	$coro
355	}	403	}
356		404
357	sub write_runtime {	405	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		406
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
361	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.
362		411
363	my $value = $cf::RUNTIME + 90 + 10;	412	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		413
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	414	sub fork_call(&@) {
368	and return;	415	my ($cb, @args) = @_;
369		416
370	# always fsync - this file is important	417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
371	aio_fsync $fh	418	# or die "socketpair: $!";
372	and return;	419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
373		421
		422	if (my $pid = fork) {
374	close $fh	423	close $fh2;
375	or return;
376		424
377	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
378	and return;	426	warn "pst<$res>" unless $res =~ /^pst/;
		427	$res = Coro::Storable::thaw $res;
379		428
		429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		430
		431	Carp::confess $$res unless "ARRAY" eq ref $res;
		432
		433	return wantarray ? @$res : $res->[-1];
		434	} else {
		435	reset_signals;
		436	local $SIG{__WARN__};
		437	local $SIG{__DIE__};
		438	local $Coro::idle;
		439	$Coro::current->prio (Coro::PRIO_MAX);
		440	eval {
		441	close $fh1;
		442
		443	my @res = eval { $cb->(@args) };
		444
		445	open my $fh, ">", \my $buf
		446	or die "fork_call: cannot open fh-to-buf in child : $!";
		447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
		448	close $fh;
		449
		450	warn "writing ", length $buf;
		451	my $x;
		452	(length $buf) == ($x = syswrite $fh2, $buf)
		453	or warn "error writing ".(length $buf)." != $x\n";
		454	close $fh2;
		455	};
		456
		457	warn $@ if $@;
		458	_exit 0;
380	1	459	}
		460	}
		461
		462	=item $value = cf::db_get $family => $key
		463
		464	Returns a single value from the environment database.
		465
		466	=item cf::db_put $family => $key => $value
		467
		468	Stores the given C<$value> in the family. It can currently store binary
		469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		470
		471	=cut
		472
		473	our $DB;
		474
		475	sub db_init {
		476	unless ($DB) {
		477	$DB = BDB::db_create $DB_ENV;
		478
		479	cf::sync_job {
		480	eval {
		481	$DB->set_flags (BDB::CHKSUM);
		482
		483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		485	cf::cleanup "db_open(db): $!" if $!;
		486	};
		487	cf::cleanup "db_open(db): $@" if $@;
		488	};
		489	}
		490	}
		491
		492	sub db_get($$) {
		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 });
381	}	587	}
382		588
383	=back	589	=back
384		590
385	=cut	591	=cut
…		…
392	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")
393	to it. All such attachable objects support the following methods.	599	to it. All such attachable objects support the following methods.
394		600
395	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>
396	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
397	crossfire+).	603	Crossfire TRT).
398		604
399	=over 4	605	=over 4
400		606
401	=item $attachable->attach ($attachment, key => $value...)	607	=item $attachable->attach ($attachment, key => $value...)
402		608
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	771	$registry = $CB_TYPE[$object_type] ||= [];
566		772
567	} elsif ($type eq "subtype") {	773	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	774	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	775	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	776	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		777
572	} elsif ($type eq "package") {	778	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	779	my $pkg = shift @arg;
574		780
575	while (my ($name, $id) = each %cb_id) {	781	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	810	_attach $registry, $klass, @attach;
605	}	811	}
606		812
607	$obj->{$name} = \%arg;	813	$obj->{$name} = \%arg;
608	} else {	814	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	815	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	816	}
611		817
612	$obj->{_attachment}{$name} = undef;	818	$obj->{_attachment}{$name} = undef;
613	}	819	}
614		820
…		…
616	if (ref $_[0]) {	822	if (ref $_[0]) {
617	_object_attach @_;	823	_object_attach @_;
618	} else {	824	} else {
619	_attach shift->_attach_registry, @_;	825	_attach shift->_attach_registry, @_;
620	}	826	}
		827	_recalc_want;
621	};	828	};
622		829
623	# all those should be optimised	830	# all those should be optimised
624	sub cf::attachable::detach {	831	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	832	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	835	delete $obj->{_attachment}{$name};
629	reattach ($obj);	836	reattach ($obj);
630	} else {	837	} else {
631	Carp::croak "cannot, currently, detach class attachments";	838	Carp::croak "cannot, currently, detach class attachments";
632	}	839	}
		840	_recalc_want;
633	};	841	};
634		842
635	sub cf::attachable::attached {	843	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
637		845
…		…
784	}	992	}
785	} else {	993	} else {
786	aio_unlink $filename;	994	aio_unlink $filename;
787	aio_unlink "$filename.pst";	995	aio_unlink "$filename.pst";
788	}	996	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	997	}
796	}	998	}
797		999
798	sub object_freezer_as_string {	1000	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1001	my ($rdata, $objs) = @_;
…		…
805		1007
806	sub object_thawer_load {	1008	sub object_thawer_load {
807	my ($filename) = @_;	1009	my ($filename) = @_;
808		1010
809	my ($data, $av);	1011	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1012
814	(aio_load $filename, $data) >= 0	1013	(aio_load $filename, $data) >= 0
815	or return;	1014	or return;
816		1015
817	unless (aio_stat "$filename.pst") {	1016	unless (aio_stat "$filename.pst") {
…		…
819	or return;	1018	or return;
820	$av = eval { (Storable::thaw $av)->{objs} };	1019	$av = eval { (Storable::thaw $av)->{objs} };
821	}	1020	}
822		1021
823	warn sprintf "loading %s (%d)\n",	1022	warn sprintf "loading %s (%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1023	$filename, length $data, scalar @{$av || []};
825	return ($data, $av);	1024	return ($data, $av);
826	}	1025	}
		1026
		1027	=head2 COMMAND CALLBACKS
		1028
		1029	=over 4
		1030
		1031	=cut
827		1032
828	#############################################################################	1033	#############################################################################
829	# command handling &c	1034	# command handling &c
830		1035
831	=item cf::register_command $name => \&callback($ob,$args);	1036	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1049	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1050	}
846		1051
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1052	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1053
849	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.
850		1059
851	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
852	called.	1061	called.
853		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
854	=cut	1074	=cut
855		1075
856	sub register_extcmd {	1076	sub register_extcmd {
857	my ($name, $cb) = @_;	1077	my ($name, $cb) = @_;
858		1078
859	$EXTCMD{$name} = $cb;	1079	$EXTCMD{$name} = $cb;
		1080	}
		1081
		1082	sub register_exticmd {
		1083	my ($name, $cb) = @_;
		1084
		1085	$EXTICMD{$name} = $cb;
860	}	1086	}
861		1087
862	cf::player->attach (	1088	cf::player->attach (
863	on_command => sub {	1089	on_command => sub {
864	my ($pl, $name, $params) = @_;	1090	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1099	cf::override;
874	},	1100	},
875	on_extcmd => sub {	1101	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1102	my ($pl, $buf) = @_;
877		1103
878	my $msg = eval { from_json $buf };	1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1105
880	if (ref $msg) {	1106	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->($pl, $msg)) {	1108	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	1109	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
889		1115
890	cf::override;	1116	cf::override;
891	},	1117	},
892	);	1118	);
893		1119
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1120	sub load_extensions {
		1121	cf::sync_job {
		1122	my %todo;
		1123
929	for my $ext (<$LIBDIR/*.ext>) {	1124	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1125	next unless -r $path;
931	eval {	1126
932	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;
933	1	1184	}
934	} or warn "$ext not loaded: $@";	1185
		1186	skip:
		1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1188	unless $progress;
		1189	}
935	}	1190	};
936	}	1191	}
937		1192
938	#############################################################################	1193	#############################################################################
939		1194
		1195	=back
		1196
940	=head2 CORE EXTENSIONS	1197	=head2 CORE EXTENSIONS
941		1198
942	Functions and methods that extend core crossfire objects.	1199	Functions and methods that extend core crossfire objects.
943		1200
944	=cut	1201	=cut
…		…
956	Returns the given player object, loading it if necessary (might block).	1213	Returns the given player object, loading it if necessary (might block).
957		1214
958	=cut	1215	=cut
959		1216
960	sub playerdir($) {	1217	sub playerdir($) {
961	cf::localdir	1218	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1219	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1220	}
967		1221
968	sub path($) {	1222	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1223	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1224
971	(playerdir $login) . "/$login.pl"	1225	(playerdir $login) . "/playerdata"
972	}	1226	}
973		1227
974	sub find_active($) {	1228	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1229	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1230	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1243	my $login = $_[0];
990		1244
991	my $guard = cf::lock_acquire "user_find:$login";	1245	my $guard = cf::lock_acquire "user_find:$login";
992		1246
993	$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
994	my $pl = load_pl path $login	1255	my $pl = load_pl path $login
995	or return;	1256	or return;
996	$cf::PLAYER{$login} = $pl	1257	$cf::PLAYER{$login} = $pl
997	}	1258	}
998	}	1259	}
…		…
1035		1296
1036	=cut	1297	=cut
1037		1298
1038	sub quit_character {	1299	sub quit_character {
1039	my ($pl) = @_;	1300	my ($pl) = @_;
		1301
		1302	my $name = $pl->ob->name;
1040		1303
1041	$pl->{deny_save} = 1;	1304	$pl->{deny_save} = 1;
1042	$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
1043		1306
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1312	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1313	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1314	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1315	delete $cf::PLAYER{$pl->ob->name};
1053	$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
1054	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;
1055	}	1338	}
1056		1339
1057	=item cf::player::list_logins	1340	=item cf::player::list_logins
1058		1341
1059	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
1060	while and may block, so not sync_job-capable, ever.	1343	while and may block, so not sync_job-capable, ever.
1061		1344
1062	=cut	1345	=cut
1063		1346
1064	sub list_logins {	1347	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1348	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1349	or return [];
1067		1350
1068	my @logins;	1351	my @logins;
1069		1352
1070	for my $login (@$dirs) {	1353	for my $login (@$dirs) {
…		…
1105	}	1388	}
1106		1389
1107	\@paths	1390	\@paths
1108	}	1391	}
1109		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
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1443	=item $player->ext_reply ($msgid, %msg)
1111		1444
1112	Sends an ext reply to the player.	1445	Sends an ext reply to the player.
1113		1446
1114	=cut	1447	=cut
1115		1448
1116	sub ext_reply($$$%) {	1449	sub ext_reply($$%) {
1117	my ($self, $id, %msg) = @_;	1450	my ($self, $id, %msg) = @_;
1118		1451
1119	$msg{msgid} = $id;	1452	$msg{msgid} = $id;
1120		1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1454	}
1123		1455
1124	package cf;	1456	=item $player->ext_event ($type, %msg)
		1457
		1458	Sends an ext event to the client.
		1459
		1460	=cut
		1461
		1462	sub ext_event($$%) {
		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	$match
		1495	}
1125		1496
1126	=back	1497	=back
1127
1128		1498
1129	=head3 cf::map	1499	=head3 cf::map
1130		1500
1131	=over 4	1501	=over 4
1132		1502
…		…
1187	my ($self, $merge) = @_;	1557	my ($self, $merge) = @_;
1188		1558
1189	# we have to keep some variables in memory intact	1559	# we have to keep some variables in memory intact
1190	local $self->{path};	1560	local $self->{path};
1191	local $self->{load_path};	1561	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1562
1195	$self->SUPER::thawer_merge ($merge);	1563	$self->SUPER::thawer_merge ($merge);
1196	}	1564	}
1197		1565
1198	sub normalise {	1566	sub normalise {
…		…
1270		1638
1271	# the original (read-only) location	1639	# the original (read-only) location
1272	sub load_path {	1640	sub load_path {
1273	my ($self) = @_;	1641	my ($self) = @_;
1274		1642
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1643	"$MAPDIR/$self->{path}.map"
1276	}	1644	}
1277		1645
1278	# the temporary/swap location	1646	# the temporary/swap location
1279	sub save_path {	1647	sub save_path {
1280	my ($self) = @_;	1648	my ($self) = @_;
1281		1649
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1651	"$TMPDIR/$path.map"
1284	}	1652	}
1285		1653
1286	# the unique path, undef == no special unique path	1654	# the unique path, undef == no special unique path
1287	sub uniq_path {	1655	sub uniq_path {
1288	my ($self) = @_;	1656	my ($self) = @_;
1289		1657
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1659	"$UNIQUEDIR/$path"
1292	}	1660	}
1293		1661
1294	# and all this just because we cannot iterate over	1662	# and all this just because we cannot iterate over
1295	# all maps in C++...	1663	# all maps in C++...
1296	sub change_all_map_light {	1664	sub change_all_map_light {
…		…
1298		1666
1299	$_->change_map_light ($change)	1667	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1668	for grep $_->outdoor, values %cf::MAP;
1301	}	1669	}
1302		1670
		1671	sub decay_objects {
		1672	my ($self) = @_;
		1673
		1674	return if $self->{deny_reset};
		1675
		1676	$self->do_decay_objects;
		1677	}
		1678
1303	sub unlink_save {	1679	sub unlink_save {
1304	my ($self) = @_;	1680	my ($self) = @_;
1305		1681
1306	utf8::encode (my $save = $self->save_path);	1682	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1683	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1684	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1685	}
1315		1686
1316	sub load_header_from($) {	1687	sub load_header_from($) {
1317	my ($self, $path) = @_;	1688	my ($self, $path) = @_;
1318		1689
…		…
1368	$self->load_header_orig	1739	$self->load_header_orig
1369	or return;	1740	or return;
1370	$self->prepare_orig;	1741	$self->prepare_orig;
1371	}	1742	}
1372		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
1373	1	1750	1
1374	}	1751	}
1375		1752
1376	sub find;	1753	sub find;
1377	sub find {	1754	sub find {
…		…
1389	$map->{last_save} = $cf::RUNTIME;	1766	$map->{last_save} = $cf::RUNTIME;
1390		1767
1391	$map->load_header	1768	$map->load_header
1392	or return;	1769	or return;
1393		1770
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1772	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1773	#$cf::WAIT_FOR_TICK->wait;
1397	$map->reset;	1774	$map->reset;
1398	undef $guard;	1775	undef $guard;
1399	return find $path;	1776	return find $path;
…		…
1410	my ($self) = @_;	1787	my ($self) = @_;
1411		1788
1412	local $self->{deny_reset} = 1; # loading can take a long time	1789	local $self->{deny_reset} = 1; # loading can take a long time
1413		1790
1414	my $path = $self->{path};	1791	my $path = $self->{path};
		1792
		1793	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1794	my $guard = cf::lock_acquire "map_load:$path";
1416		1795
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1796	return if $self->in_memory != cf::MAP_SWAPPED;
1418		1797
1419	$self->in_memory (cf::MAP_LOADING);	1798	$self->in_memory (cf::MAP_LOADING);
1420		1799
1421	$self->alloc;	1800	$self->alloc;
1422		1801
1423	$self->pre_load;	1802	$self->pre_load;
1424
1425	$self->_load_objects ($self->{load_path}, 1)
1426	or return;
1427
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};
1430
1431	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {
1434	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);
1436	}
1437	}
1438
1439	Coro::cede;
1440
1441	# now do the right thing for maps
1442	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;	1803	Coro::cede;
1449	$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;
1450	$self->difficulty ($self->estimate_difficulty)	1822	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1823	unless $self->difficulty;
1452	Coro::cede;	1824	Coro::cede;
		1825
		1826	unless ($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;
1453	$self->activate;	1833	$self->activate;
		1834	}
		1835
		1836	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	1837	}
1455		1838
1456	$self->post_load;	1839	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1840	}
1460		1841
1461	sub customise_for {	1842	sub customise_for {
1462	my ($self, $ob) = @_;	1843	my ($self, $ob) = @_;
1463		1844
1464	return find "~" . $ob->name . "/" . $self->{path}	1845	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	1846	if $self->per_player;
		1847
		1848	# return find "?party/" . $ob->name . "/" . $self->{path}
		1849	# if $self->per_party;
1466		1850
1467	$self	1851	$self
1468	}	1852	}
1469		1853
1470	# find and load all maps in the 3x3 area around a map	1854	# find and load all maps in the 3x3 area around a map
…		…
1581		1965
1582	sub reset_at {	1966	sub reset_at {
1583	my ($self) = @_;	1967	my ($self) = @_;
1584		1968
1585	# TODO: safety, remove and allow resettable per-player maps	1969	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	1970	return 1e99 if $self->{deny_reset};
1588		1971
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1972	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1973	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		1974
…		…
1602	my ($self) = @_;	1985	my ($self) = @_;
1603		1986
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	1987	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		1988
1606	return if $self->players;	1989	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		1990
1609	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	}
1610		2002
1611	delete $cf::MAP{$self->path};	2003	delete $cf::MAP{$self->path};
1612		2004
1613	$self->in_memory (cf::MAP_SWAPPED);
1614	$self->clear;	2005	$self->clear;
1615		2006
1616	$_->clear_links_to ($self) for values %cf::MAP;	2007	$_->clear_links_to ($self) for values %cf::MAP;
1617		2008
1618	$self->unlink_save;	2009	$self->unlink_save;
…		…
1637	$cf::MAP{$self->path} = $self;	2028	$cf::MAP{$self->path} = $self;
1638		2029
1639	$self->reset; # polite request, might not happen	2030	$self->reset; # polite request, might not happen
1640	}	2031	}
1641		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
1642	=item cf::map::unique_maps	2069	=item cf::map::unique_maps
1643		2070
1644	Returns an arrayref of paths of all shared maps that have	2071	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2072	instantiated unique items. May block.
1646		2073
1647	=cut	2074	=cut
1648		2075
1649	sub unique_maps() {	2076	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2077	[
1651	or return;	2078	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2079	utf8::decode $_;
1657	next if /\.pst$/;	2080	/\.map$/
1658	next unless /^$PATH_SEP/o;	2081	? normalise $_
1659		2082	: ()
1660	push @paths, cf::map::normalise $_;	2083	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2084	]
1662
1663	\@paths
1664	}	2085	}
1665		2086
1666	package cf;	2087	package cf;
1667		2088
1668	=back	2089	=back
…		…
1714		2135
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2136	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2137
1717	if ($self->{record_replies}) {	2138	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2139	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2140
1719	} 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 {
1720	$msg = $npc->name . " says: $msg" if $npc;	2154	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2155	$self->message ($msg, $flags);
		2156	}
1722	}	2157	}
1723	}	2158	}
1724		2159
1725	=item $player_object->may ("access")	2160	=item $player_object->may ("access")
1726		2161
…		…
1774	$self->deactivate_recursive;	2209	$self->deactivate_recursive;
1775		2210
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2211	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2212
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2214	if $self->map && $self->map->{path} ne "{link}";
1780		2215
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2217	}
1783		2218
1784	sub cf::object::player::leave_link {	2219	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2220	my ($self, $map, $x, $y) = @_;
		2221
		2222	return unless $self->contr->active;
1786		2223
1787	my $link_pos = delete $self->{_link_pos};	2224	my $link_pos = delete $self->{_link_pos};
1788		2225
1789	unless ($map) {	2226	unless ($map) {
1790	# restore original map position	2227	# restore original map position
…		…
1808	$map->load;	2245	$map->load;
1809	$map->load_diag;	2246	$map->load_diag;
1810		2247
1811	return unless $self->contr->active;	2248	return unless $self->contr->active;
1812	$self->activate_recursive;	2249	$self->activate_recursive;
		2250
		2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2252	$self->enter_map ($map, $x, $y);
1814	}	2253	}
1815		2254
1816	cf::player->attach (
1817	on_logout => sub {
1818	my ($pl) = @_;
1819
1820	# abort map switching before logout
1821	if ($pl->ob->{_link_pos}) {
1822	cf::sync_job {
1823	$pl->ob->leave_link
1824	};
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)	2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1849		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
1850	=cut	2262	=cut
		2263
		2264	our $GOTOGEN;
1851		2265
1852	sub cf::object::player::goto {	2266	sub cf::object::player::goto {
1853	my ($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;
1854		2271
1855	$self->enter_link;	2272	$self->enter_link;
1856		2273
1857	(async {	2274	(async {
1858	my $map = eval {	2275	my $map = eval {
1859	my $map = cf::map::find $path;	2276	my $map = cf::map::find $path;
		2277
		2278	if ($map) {
1860	$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
1861	$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 $@;
1862	} or	2291	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2292
		2293	if ($gen == $self->{_goto_generation}) {
		2294	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2295	$self->leave_link ($map, $x, $y);
		2296	}
1866	})->prio (1);	2297	})->prio (1);
1867	}	2298	}
1868		2299
1869	=item $player_object->enter_exit ($exit_object)	2300	=item $player_object->enter_exit ($exit_object)
1870		2301
…		…
1909		2340
1910	$rmp->{random_seed} ||= $exit->random_seed;	2341	$rmp->{random_seed} ||= $exit->random_seed;
1911		2342
1912	my $data = cf::to_json $rmp;	2343	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2344	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2345	my $meta = "$RANDOMDIR/$md5.meta";
1915		2346
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2348	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2349	undef $fh;
1919	aio_rename "$meta~", $meta;	2350	aio_rename "$meta~", $meta;
…		…
1928		2359
1929	return unless $self->type == cf::PLAYER;	2360	return unless $self->type == cf::PLAYER;
1930		2361
1931	if ($exit->slaying eq "/!") {	2362	if ($exit->slaying eq "/!") {
1932	#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
1933	cf::sync_job { prepare_random_map $exit };	2366	cf::sync_job { prepare_random_map $exit };
1934	}	2367	}
1935		2368
1936	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;
1937	my $hp = $exit->stats->hp;	2370	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2371	my $sp = $exit->stats->sp;
1939		2372
1940	$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);
1941		2378
1942	(async {	2379	(async {
1943	$self->deactivate_recursive; # just to be sure	2380	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2381	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2382	$self->goto ($slaying, $hp, $sp);
1946		2383
1947	1;	2384	1;
1948	}) {	2385	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2386	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "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. "
1951	. "Please report this to the dungeon master!",	2388	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2389	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2390
1954	warn "ERROR in enter_exit: $@";	2391	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2392	$self->leave_link;
1956	}	2393	}
1957	})->prio (1);	2394	})->prio (1);
…		…
1970		2407
1971	sub cf::client::send_drawinfo {	2408	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2409	my ($self, $text, $flags) = @_;
1973		2410
1974	utf8::encode $text;	2411	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2413	}
1977		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	}
1978		2467
1979	=item $success = $client->query ($flags, "text", \&cb)	2468	=item $success = $client->query ($flags, "text", \&cb)
1980		2469
1981	Queues a query to the client, calling the given callback with	2470	Queues a query to the client, calling the given callback with
1982	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>,
1983	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>.
1984		2473
1985	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
1986	reliable at some point in the future.	2475	become reliable at some point in the future.
1987		2476
1988	=cut	2477	=cut
1989		2478
1990	sub cf::client::query {	2479	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2480	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2488	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2489	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2490
2002	$self->send_packet ($self->{query_queue}[0][0])	2491	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2492	if @{ $self->{query_queue} } == 1;
		2493
		2494	1
2004	}	2495	}
2005		2496
2006	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	},
2007	on_reply => sub {	2503	on_reply => sub {
2008	my ($ns, $msg) = @_;	2504	my ($ns, $msg) = @_;
2009		2505
2010	# this weird shuffling is so that direct followup queries	2506	# this weird shuffling is so that direct followup queries
2011	# get handled first	2507	# get handled first
…		…
2023	} else {	2519	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2520	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2521	}
2026	}	2522	}
2027	},	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	},
2028	);	2542	);
2029		2543
2030	=item $client->async (\&cb)	2544	=item $client->async (\&cb)
2031		2545
2032	Create a new coroutine, running the specified callback. The coroutine will	2546	Create a new coroutine, running the specified callback. The coroutine will
…		…
2079		2593
2080	# here we export the classes and methods available to script code	2594	# here we export the classes and methods available to script code
2081		2595
2082	=pod	2596	=pod
2083		2597
2084	The following fucntions and emthods are available within a safe environment:	2598	The following functions and methods are available within a safe environment:
2085		2599
2086	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
2087	cf::object::player player	2604	cf::object::player
2088	cf::player peaceful	2605	player
2089	cf::map trigger	2606
		2607	cf::player
		2608	peaceful
		2609
		2610	cf::map
		2611	trigger
2090		2612
2091	=cut	2613	=cut
2092		2614
2093	for (	2615	for (
2094	["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)],
2095	["cf::object::player" => qw(player)],	2618	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2619	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2620	["cf::map" => qw(trigger)],
2098	) {	2621	) {
2099	no strict 'refs';	2622	no strict 'refs';
…		…
2170	=back	2693	=back
2171		2694
2172	=cut	2695	=cut
2173		2696
2174	#############################################################################	2697	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	2698	# the server's init and main functions
2284		2699
2285	sub load_resources {	2700	sub load_facedata($) {
2286	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"
2287	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;
2288	}	2791	}
2289		2792
2290	sub cfg_load {	2793	sub cfg_load {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	2794	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	2795	or return;
2293		2796
2294	local $/;	2797	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	2798	*CFG = YAML::Syck::Load <$fh>;
2296		2799
…		…
2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2807	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305	and die "WARNING: m(un)lockall failed: $!\n";	2808	and die "WARNING: m(un)lockall failed: $!\n";
2306	};	2809	};
2307	warn $@ if $@;	2810	warn $@ if $@;
2308	}	2811	}
2309	}
2310
2311	sub init {
2312	load_resources;
2313	}	2812	}
2314		2813
2315	sub main {	2814	sub main {
2316	# we must not ever block the main coroutine	2815	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	2816	local $Coro::idle = sub {
…		…
2320	Event::one_event;	2819	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	2820	})->prio (Coro::PRIO_MAX);
2322	};	2821	};
2323		2822
2324	cfg_load;	2823	cfg_load;
2325	db_load;	2824	db_init;
2326	load_extensions;	2825	load_extensions;
2327		2826
2328	$TICK_WATCHER->start;	2827	$TICK_WATCHER->start;
2329	Event::loop;	2828	Event::loop;
2330	}	2829	}
…		…
2345	},	2844	},
2346	);	2845	);
2347	}	2846	}
2348	}	2847	}
2349		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
2350	sub emergency_save() {	2887	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	2888	my $freeze_guard = cf::freeze_mainloop;
2352		2889
2353	warn "enter emergency perl save\n";	2890	warn "enter emergency perl save\n";
2354		2891
…		…
2369	my $map = $cf::MAP{$path} or next;	2906	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	2907	$map->valid or next;
2371	$map->save;	2908	$map->save;
2372	}	2909	}
2373	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 $DB_ENV;
		2914	warn "end emergency database checkpoint\n";
2374	};	2915	};
2375		2916
2376	warn "leave emergency perl save\n";	2917	warn "leave emergency perl save\n";
2377	}	2918	}
2378		2919
		2920	sub post_cleanup {
		2921	my ($make_core) = @_;
		2922
		2923	warn Carp::longmess "post_cleanup backtrace"
		2924	if $make_core;
		2925	}
		2926
2379	sub reload() {	2927	sub do_reload_perl() {
2380	# can/must only be called in main	2928	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	2929	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	2930	warn "can only reload from main coroutine";
2383	return;	2931	return;
2384	}	2932	}
2385		2933
2386	warn "reloading...";	2934	warn "reloading...";
2387		2935
2388	warn "cancelling server ticker";	2936	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		2937
		2938	cf::sync_job {
		2939	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	2940	cf::emergency_save;
		2941	cf::write_runtime; # external watchdog should not bark
2392		2942
2393	eval {	2943	warn "syncing database to disk";
		2944	BDB::db_env_txn_checkpoint $DB_ENV;
		2945
2394	# 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
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398		2947
2399	warn "cancelling all WF_AUTOCANCEL watchers";	2948	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	2949	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	2951	}
2403		2952
2404	warn "flushing outstanding aio requests";	2953	warn "flushing outstanding aio requests";
2405	for (;;) {	2954	for (;;) {
		2955	BDB::flush;
2406	IO::AIO::flush;	2956	IO::AIO::flush;
2407	Coro::cede;	2957	Coro::cede;
2408	last unless IO::AIO::nreqs;	2958	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	2959	warn "iterate...";
2410	}	2960	}
		2961
		2962	++$RELOAD;
2411		2963
2412	warn "cancelling all extension coros";	2964	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	2965	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	2966	%EXT_CORO = ();
2415		2967
2416	warn "removing commands";	2968	warn "removing commands";
2417	%COMMAND = ();	2969	%COMMAND = ();
2418		2970
2419	warn "removing ext commands";	2971	warn "removing ext/exti commands";
2420	%EXTCMD = ();	2972	%EXTCMD = ();
		2973	%EXTICMD = ();
2421		2974
2422	warn "unloading/nuking all extensions";	2975	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	2976	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	2977	warn "... unloading $pkg";
2425		2978
…		…
2455	Symbol::delete_package "safe::$_"	3008	Symbol::delete_package "safe::$_"
2456	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);
2457		3010
2458	warn "unloading cf.pm \"a bit\"";	3011	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3012	delete $INC{"cf.pm"};
		3013	delete $INC{"cf/pod.pm"};
2460		3014
2461	# don't, removes xs symbols, too,	3015	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3016	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3017	#Symbol::delete_package __PACKAGE__;
2464		3018
…		…
2468	require cf;	3022	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3024
2471	warn "loading config and database again";	3025	warn "loading config and database again";
2472	cf::cfg_load;	3026	cf::cfg_load;
2473	cf::db_load;
2474		3027
2475	warn "loading extensions";	3028	warn "loading extensions";
2476	cf::load_extensions;	3029	cf::load_extensions;
2477		3030
2478	warn "reattaching attachments to objects/players";	3031	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3032	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3033	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3034	reattach $_ for values %MAP;
		3035	warn "reattaching attachments to players";
		3036	reattach $_ for values %PLAYER;
2482		3037
2483	warn "loading reloadable resources";	3038	warn "leaving sync_job";
2484	load_resources;
2485		3039
2486	warn "restarting server ticker";	3040	1
2487		3041	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3042	warn $@;
2493	warn "error while reloading, exiting.";	3043	warn "error while reloading, exiting.";
2494	exit 1;	3044	exit 1;
2495	}	3045	};
2496		3046
2497	warn "reloaded";	3047	warn "reloaded";
2498	};	3048	};
2499		3049
2500	our $RELOAD_WATCHER; # used only during reload	3050	our $RELOAD_WATCHER; # used only during reload
2501		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 $RELOAD_WATCHER;
		3063	},
		3064	);
		3065	}
		3066
2502	register_command "reload" => sub {	3067	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3068	my ($who, $arg) = @_;
2504		3069
2505	if ($who->flag (FLAG_WIZ)) {	3070	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3071	$who->message ("reloading server.");
2507		3072	async { reload_perl };
2508	# doing reload synchronously and two reloads happen back-to-back,
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);
2520	}	3073	}
2521	};	3074	};
2522		3075
2523	unshift @INC, $LIBDIR;	3076	unshift @INC, $LIBDIR;
2524		3077
2525	my $bug_warning = 0;	3078	my $bug_warning = 0;
2526		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;
2527	$TICK_WATCHER = Event->timer (	3103	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3104	reentrant => 0,
2529	parked => 1,	3105	parked => 1,
2530	prio => 0,	3106	prio => 0,
2531	at => $NEXT_TICK || $TICK,	3107	at => $NEXT_TICK || $TICK,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3112	unless ++$bug_warning > 10;
2537	return;	3113	return;
2538	}	3114	}
2539		3115
2540	$NOW = Event::time;	3116	$NOW = $tick_start = Event::time;
2541		3117
2542	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
2543	$RUNTIME += $TICK;	3143	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3144	$NEXT_TICK += $TICK;
2545		3145
2546	$WAIT_FOR_TICK->broadcast;	3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3148	Coro::async_pool {
2549	Event::sweep;	3149	write_runtime
2550	Coro::cede_notself;	3150	or warn "ERROR: unable to write runtime file: $!";
		3151	};
2551		3152	}
		3153
2552	# my $AFTER = Event::time;	3154	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#	3155	# warn $AFTER - $NOW;#d#
2554		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
2555	# 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
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3168
2558	$TICK_WATCHER->at ($NEXT_TICK);	3169	$TICK_WATCHER->at ($NEXT_TICK);
2559	$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
2560	},	3178	},
2561	);	3179	);
2562		3180
2563	{	3181	{
2564	BDB::max_poll_time $TICK * 0.1;	3182	BDB::max_poll_time $TICK * 0.1;
…		…
2589		3207
2590	unless ($DB_ENV) {	3208	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3209	$DB_ENV = BDB::db_env_create;
2592		3210
2593	cf::sync_job {	3211	cf::sync_job {
		3212	eval {
2594	BDB::db_env_open	3213	BDB::db_env_open
2595	$DB_ENV,	3214	$DB_ENV,
2596	$BDB_ENV_DIR,	3215	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3218	0666;
2600		3219
2601	cf::cleanup "$!" if $!;	3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3221
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	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 $@;
2604	};	3227	};
2605	}	3228	}
2606	}	3229	}
2607		3230
2608	{	3231	{
…		…
2610		3233
2611	undef $Coro::AIO::WATCHER;	3234	undef $Coro::AIO::WATCHER;
2612	IO::AIO::max_poll_time $TICK * 0.1;	3235	IO::AIO::max_poll_time $TICK * 0.1;
2613	$AIO_POLL_WATCHER = Event->io (	3236	$AIO_POLL_WATCHER = Event->io (
2614	reentrant => 0,	3237	reentrant => 0,
		3238	data => WF_AUTOCANCEL,
2615	fd => IO::AIO::poll_fileno,	3239	fd => IO::AIO::poll_fileno,
2616	poll => 'r',	3240	poll => 'r',
2617	prio => 6,	3241	prio => 6,
2618	data => WF_AUTOCANCEL,
2619	cb => \&IO::AIO::poll_cb,	3242	cb => \&IO::AIO::poll_cb,
2620	);	3243	);
2621	}	3244	}
2622		3245
2623	$WRITE_RUNTIME_WATCHER = Event->timer (	3246	my $_log_backtrace;
2624	reentrant => 0,	3247
2625	data => WF_AUTOCANCEL,	3248	sub _log_backtrace {
2626	after => 1,	3249	my ($msg, @addr) = @_;
2627	interval => 10,	3250
2628	prio => 6, # keep it lowest so it acts like a watchdog	3251	$msg =~ s/\n//;
2629	cb => Coro::unblock_sub {	3252
2630	write_runtime	3253	# limit the # of concurrent backtraces
2631	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";
2632	},	3281	}
2633	);	3282	}
		3283
		3284	# load additional modules
		3285	use cf::pod;
2634		3286
2635	END { cf::emergency_save }	3287	END { cf::emergency_save }
2636		3288
2637	1	3289	1
2638		3290

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