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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 1.300 by root, Tue Jul 10 06:44:29 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 _store_scalar {
368	and return;	415	open my $fh, ">", \my $buf
369		416	or die "fork_call: cannot open fh-to-buf in child : $!";
370	# always fsync - this file is important	417	Storable::store_fd $_[0], $fh;
371	aio_fsync $fh
372	and return;
373
374	close $fh	418	close $fh;
375	or return;
376		419
377	aio_rename "$runtime~", $runtime	420	$buf
378	and return;	421	}
379		422
		423	sub fork_call(&@) {
		424	my ($cb, @args) = @_;
		425
		426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		427	# or die "socketpair: $!";
		428	pipe my $fh1, my $fh2
		429	or die "pipe: $!";
		430
		431	if (my $pid = fork) {
		432	close $fh2;
		433
		434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		435	warn "pst<$res>" unless $res =~ /^pst/;
		436	$res = Coro::Storable::thaw $res;
		437
		438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		439
		440	Carp::confess $$res unless "ARRAY" eq ref $res;
		441
		442	return wantarray ? @$res : $res->[-1];
		443	} else {
		444	reset_signals;
		445	local $SIG{__WARN__};
		446	local $SIG{__DIE__};
		447	# just in case, this hack effectively disables event
		448	# in the child. cleaner and slower would be canceling all watchers,
		449	# but this works for the time being.
		450	local $Coro::idle;
		451	$Coro::current->prio (Coro::PRIO_MAX);
		452
		453	eval {
		454	close $fh1;
		455
		456	my @res = eval { $cb->(@args) };
		457
		458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		459	close $fh2;
		460	};
		461
		462	warn $@ if $@;
		463	_exit 0;
380	1	464	}
		465	}
		466
		467	=item $value = cf::db_get $family => $key
		468
		469	Returns a single value from the environment database.
		470
		471	=item cf::db_put $family => $key => $value
		472
		473	Stores the given C<$value> in the family. It can currently store binary
		474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		475
		476	=cut
		477
		478	our $DB;
		479
		480	sub db_init {
		481	unless ($DB) {
		482	$DB = BDB::db_create $DB_ENV;
		483
		484	cf::sync_job {
		485	eval {
		486	$DB->set_flags (BDB::CHKSUM);
		487
		488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		490	cf::cleanup "db_open(db): $!" if $!;
		491	};
		492	cf::cleanup "db_open(db): $@" if $@;
		493	};
		494	}
		495	}
		496
		497	sub db_get($$) {
		498	my $key = "$_[0]/$_[1]";
		499
		500	cf::sync_job {
		501	BDB::db_get $DB, undef, $key, my $data;
		502
		503	$! ? ()
		504	: $data
		505	}
		506	}
		507
		508	sub db_put($$$) {
		509	BDB::dbreq_pri 4;
		510	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		511	}
		512
		513	=item cf::cache $id => [$paths...], $processversion => $process
		514
		515	Generic caching function that returns the value of the resource $id,
		516	caching and regenerating as required.
		517
		518	This function can block.
		519
		520	=cut
		521
		522	sub cache {
		523	my ($id, $src, $processversion, $process) = @_;
		524
		525	my $meta =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	aio_stat $_
		530	and Carp::croak "$_: $!";
		531
		532	($_, (stat _)[7,9])
		533	} @$src;
		534
		535	my $dbmeta = db_get cache => "$id/meta";
		536	if ($dbmeta ne $meta) {
		537	# changed, we may need to process
		538
		539	my @data;
		540	my $md5;
		541
		542	for (0 .. $#$src) {
		543	0 <= aio_load $src->[$_], $data[$_]
		544	or Carp::croak "$src->[$_]: $!";
		545	}
		546
		547	# if processing is expensive, check
		548	# checksum first
		549	if (1) {
		550	$md5 =
		551	join "\x00",
		552	$processversion,
		553	map {
		554	Coro::cede;
		555	($src->[$_], Digest::MD5::md5_hex $data[$_])
		556	} 0.. $#$src;
		557
		558
		559	my $dbmd5 = db_get cache => "$id/md5";
		560	if ($dbmd5 eq $md5) {
		561	db_put cache => "$id/meta", $meta;
		562
		563	return db_get cache => "$id/data";
		564	}
		565	}
		566
		567	my $t1 = Time::HiRes::time;
		568	my $data = $process->(\@data);
		569	my $t2 = Time::HiRes::time;
		570
		571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		572
		573	db_put cache => "$id/data", $data;
		574	db_put cache => "$id/md5" , $md5;
		575	db_put cache => "$id/meta", $meta;
		576
		577	return $data;
		578	}
		579
		580	db_get cache => "$id/data"
		581	}
		582
		583	=item cf::datalog type => key => value, ...
		584
		585	Log a datalog packet of the given type with the given key-value pairs.
		586
		587	=cut
		588
		589	sub datalog($@) {
		590	my ($type, %kv) = @_;
		591	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	592	}
382		593
383	=back	594	=back
384		595
385	=cut	596	=cut
…		…
392	attach callbacks/event handlers (a collection of which is called an "attachment")	603	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	604	to it. All such attachable objects support the following methods.
394		605
395	In the following description, CLASS can be any of C<global>, C<object>	606	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	607	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	608	Crossfire TRT).
398		609
399	=over 4	610	=over 4
400		611
401	=item $attachable->attach ($attachment, key => $value...)	612	=item $attachable->attach ($attachment, key => $value...)
402		613
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	776	$registry = $CB_TYPE[$object_type] ||= [];
566		777
567	} elsif ($type eq "subtype") {	778	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	779	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	780	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	781	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		782
572	} elsif ($type eq "package") {	783	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	784	my $pkg = shift @arg;
574		785
575	while (my ($name, $id) = each %cb_id) {	786	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	815	_attach $registry, $klass, @attach;
605	}	816	}
606		817
607	$obj->{$name} = \%arg;	818	$obj->{$name} = \%arg;
608	} else {	819	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	820	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	821	}
611		822
612	$obj->{_attachment}{$name} = undef;	823	$obj->{_attachment}{$name} = undef;
613	}	824	}
614		825
…		…
616	if (ref $_[0]) {	827	if (ref $_[0]) {
617	_object_attach @_;	828	_object_attach @_;
618	} else {	829	} else {
619	_attach shift->_attach_registry, @_;	830	_attach shift->_attach_registry, @_;
620	}	831	}
		832	_recalc_want;
621	};	833	};
622		834
623	# all those should be optimised	835	# all those should be optimised
624	sub cf::attachable::detach {	836	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	837	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	840	delete $obj->{_attachment}{$name};
629	reattach ($obj);	841	reattach ($obj);
630	} else {	842	} else {
631	Carp::croak "cannot, currently, detach class attachments";	843	Carp::croak "cannot, currently, detach class attachments";
632	}	844	}
		845	_recalc_want;
633	};	846	};
634		847
635	sub cf::attachable::attached {	848	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	849	my ($obj, $name) = @_;
637		850
…		…
784	}	997	}
785	} else {	998	} else {
786	aio_unlink $filename;	999	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1000	aio_unlink "$filename.pst";
788	}	1001	}
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	}	1002	}
796	}	1003	}
797		1004
798	sub object_freezer_as_string {	1005	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1006	my ($rdata, $objs) = @_;
…		…
805		1012
806	sub object_thawer_load {	1013	sub object_thawer_load {
807	my ($filename) = @_;	1014	my ($filename) = @_;
808		1015
809	my ($data, $av);	1016	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1017
814	(aio_load $filename, $data) >= 0	1018	(aio_load $filename, $data) >= 0
815	or return;	1019	or return;
816		1020
817	unless (aio_stat "$filename.pst") {	1021	unless (aio_stat "$filename.pst") {
…		…
819	or return;	1023	or return;
820	$av = eval { (Storable::thaw $av)->{objs} };	1024	$av = eval { (Storable::thaw $av)->{objs} };
821	}	1025	}
822		1026
823	warn sprintf "loading %s (%d)\n",	1027	warn sprintf "loading %s (%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1028	$filename, length $data, scalar @{$av || []};
825	return ($data, $av);	1029	return ($data, $av);
826	}	1030	}
		1031
		1032	=head2 COMMAND CALLBACKS
		1033
		1034	=over 4
		1035
		1036	=cut
827		1037
828	#############################################################################	1038	#############################################################################
829	# command handling &c	1039	# command handling &c
830		1040
831	=item cf::register_command $name => \&callback($ob,$args);	1041	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1054	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1055	}
846		1056
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1057	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1058
849	Register a callbackf ro execution when the client sends an extcmd packet.	1059	Register a callback for execution when the client sends an (synchronous)
		1060	extcmd packet. Ext commands will be processed in the order they are
		1061	received by the server, like other user commands. The first argument is
		1062	the logged-in player. Ext commands can only be processed after a player
		1063	has logged in successfully.
850		1064
851	If the callback returns something, it is sent back as if reply was being	1065	If the callback returns something, it is sent back as if reply was being
852	called.	1066	called.
853		1067
		1068	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1069
		1070	Register a callback for execution when the client sends an (asynchronous)
		1071	exticmd packet. Exti commands are processed by the server as soon as they
		1072	are received, i.e. out of order w.r.t. other commands. The first argument
		1073	is a client socket. Exti commands can be received anytime, even before
		1074	log-in.
		1075
		1076	If the callback returns something, it is sent back as if reply was being
		1077	called.
		1078
854	=cut	1079	=cut
855		1080
856	sub register_extcmd {	1081	sub register_extcmd {
857	my ($name, $cb) = @_;	1082	my ($name, $cb) = @_;
858		1083
859	$EXTCMD{$name} = $cb;	1084	$EXTCMD{$name} = $cb;
		1085	}
		1086
		1087	sub register_exticmd {
		1088	my ($name, $cb) = @_;
		1089
		1090	$EXTICMD{$name} = $cb;
860	}	1091	}
861		1092
862	cf::player->attach (	1093	cf::player->attach (
863	on_command => sub {	1094	on_command => sub {
864	my ($pl, $name, $params) = @_;	1095	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1104	cf::override;
874	},	1105	},
875	on_extcmd => sub {	1106	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1107	my ($pl, $buf) = @_;
877		1108
878	my $msg = eval { from_json $buf };	1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1110
880	if (ref $msg) {	1111	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->($pl, $msg)) {	1113	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	1114	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
889		1120
890	cf::override;	1121	cf::override;
891	},	1122	},
892	);	1123	);
893		1124
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 {	1125	sub load_extensions {
		1126	cf::sync_job {
		1127	my %todo;
		1128
929	for my $ext (<$LIBDIR/*.ext>) {	1129	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1130	next unless -r $path;
931	eval {	1131
932	load_extension $ext;	1132	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1133	my $base = $1;
		1134	my $pkg = $1;
		1135	$pkg =~ s/[^[:word:]]/_/g;
		1136	$pkg = "ext::$pkg";
		1137
		1138	open my $fh, "<:utf8", $path
		1139	or die "$path: $!";
		1140
		1141	my $source = do { local $/; <$fh> };
		1142
		1143	my %ext = (
		1144	path => $path,
		1145	base => $base,
		1146	pkg => $pkg,
		1147	);
		1148
		1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1151
		1152	$ext{source} =
		1153	"package $pkg; use strict; use utf8;\n"
		1154	. "#line 1 \"$path\"\n{\n"
		1155	. $source
		1156	. "\n};\n1";
		1157
		1158	$todo{$base} = \%ext;
		1159	}
		1160
		1161	my %done;
		1162	while (%todo) {
		1163	my $progress;
		1164
		1165	while (my ($k, $v) = each %todo) {
		1166	for (split /,\s*/, $v->{meta}{depends}) {
		1167	goto skip
		1168	unless exists $done{$_};
		1169	}
		1170
		1171	warn "... loading '$k' into '$v->{pkg}'\n";
		1172
		1173	unless (eval $v->{source}) {
		1174	my $msg = $@ ? "$v->{path}: $@\n"
		1175	: "$v->{base}: extension inactive.\n";
		1176
		1177	if (exists $v->{meta}{mandatory}) {
		1178	warn $msg;
		1179	warn "mandatory extension failed to load, exiting.\n";
		1180	exit 1;
		1181	}
		1182
		1183	warn $msg;
		1184	}
		1185
		1186	$done{$k} = delete $todo{$k};
		1187	push @EXTS, $v->{pkg};
		1188	$progress = 1;
933	1	1189	}
934	} or warn "$ext not loaded: $@";	1190
		1191	skip:
		1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1193	unless $progress;
		1194	}
935	}	1195	};
936	}	1196	}
937		1197
938	#############################################################################	1198	#############################################################################
939		1199
		1200	=back
		1201
940	=head2 CORE EXTENSIONS	1202	=head2 CORE EXTENSIONS
941		1203
942	Functions and methods that extend core crossfire objects.	1204	Functions and methods that extend core crossfire objects.
943		1205
944	=cut	1206	=cut
…		…
956	Returns the given player object, loading it if necessary (might block).	1218	Returns the given player object, loading it if necessary (might block).
957		1219
958	=cut	1220	=cut
959		1221
960	sub playerdir($) {	1222	sub playerdir($) {
961	cf::localdir	1223	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1224	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1225	}
967		1226
968	sub path($) {	1227	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1228	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1229
971	(playerdir $login) . "/$login.pl"	1230	(playerdir $login) . "/playerdata"
972	}	1231	}
973		1232
974	sub find_active($) {	1233	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1234	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1235	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1248	my $login = $_[0];
990		1249
991	my $guard = cf::lock_acquire "user_find:$login";	1250	my $guard = cf::lock_acquire "user_find:$login";
992		1251
993	$cf::PLAYER{$_[0]} || do {	1252	$cf::PLAYER{$_[0]} || do {
		1253	# rename old playerfiles to new ones
		1254	#TODO: remove when no longer required
		1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1258	aio_unlink +(playerdir $login) . "/$login.pl";
		1259
994	my $pl = load_pl path $login	1260	my $pl = load_pl path $login
995	or return;	1261	or return;
996	$cf::PLAYER{$login} = $pl	1262	$cf::PLAYER{$login} = $pl
997	}	1263	}
998	}	1264	}
…		…
1035		1301
1036	=cut	1302	=cut
1037		1303
1038	sub quit_character {	1304	sub quit_character {
1039	my ($pl) = @_;	1305	my ($pl) = @_;
		1306
		1307	my $name = $pl->ob->name;
1040		1308
1041	$pl->{deny_save} = 1;	1309	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1310	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1311
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1317	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1318	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1319	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1320	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1321	$pl->destroy;
		1322
		1323	my $prefix = qr<^~\Q$name\E/>;
		1324
		1325	# nuke player maps
		1326	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1327
1054	IO::AIO::aio_rmtree $temp;	1328	IO::AIO::aio_rmtree $temp;
		1329	}
		1330
		1331	=item $pl->kick
		1332
		1333	Kicks a player out of the game. This destroys the connection.
		1334
		1335	=cut
		1336
		1337	sub kick {
		1338	my ($pl, $kicker) = @_;
		1339
		1340	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1341	$pl->killer ("kicked");
		1342	$pl->ns->destroy;
1055	}	1343	}
1056		1344
1057	=item cf::player::list_logins	1345	=item cf::player::list_logins
1058		1346
1059	Returns am arrayref of all valid playernames in the system, can take a	1347	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1348	while and may block, so not sync_job-capable, ever.
1061		1349
1062	=cut	1350	=cut
1063		1351
1064	sub list_logins {	1352	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1353	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1354	or return [];
1067		1355
1068	my @logins;	1356	my @logins;
1069		1357
1070	for my $login (@$dirs) {	1358	for my $login (@$dirs) {
…		…
1105	}	1393	}
1106		1394
1107	\@paths	1395	\@paths
1108	}	1396	}
1109		1397
		1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1399
		1400	Expand crossfire pod fragments into protocol xml.
		1401
		1402	=cut
		1403
		1404	sub expand_cfpod {
		1405	((my $self), (local $_)) = @_;
		1406
		1407	# escape & and <
		1408	s/&/&amp;/g;
		1409	s/(?<![BIUGH])</&lt;/g;
		1410
		1411	# this is buggy, it needs to properly take care of nested <'s
		1412
		1413	1 while
		1414	# replace B<>, I<>, U<> etc.
		1415	s/B<([^\>]*)>/<b>$1<\/b>/
		1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1418	# replace G<male|female> tags
		1419	|| s{G<([^>|]*)\|([^>]*)>}{
		1420	$self->gender ? $2 : $1
		1421	}ge
		1422	# replace H<hint text>
		1423	|| s{H<([^\>]*)>}
		1424	{
		1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1427	"")
		1428	[$self->{hintmode}]
		1429	}ge;
		1430
		1431	# create single paragraphs (very hackish)
		1432	s/(?<=\S)\n(?=\w)/ /g;
		1433
		1434	# compress some whitespace
		1435	s/\s+\n/\n/g; # ws line-ends
		1436	s/\n\n+/\n/g; # double lines
		1437	s/^\n+//; # beginning lines
		1438	s/\n+$//; # ending lines
		1439
		1440	warn $_;#d#
		1441	$_
		1442	}
		1443
		1444	sub hintmode {
		1445	$_[0]{hintmode} = $_[1] if @_ > 1;
		1446	$_[0]{hintmode}
		1447	}
		1448
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1111		1450
1112	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1113		1452
1114	=cut	1453	=cut
1115		1454
1116	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1117	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1118		1457
1119	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1120		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1460	}
1123		1461
1124	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		1469	my ($self, $type, %msg) = @_;
		1470
		1471	$self->ns->ext_event ($type, %msg);
		1472	}
		1473
		1474	=head3 cf::region
		1475
		1476	=over 4
		1477
		1478	=cut
		1479
		1480	package cf::region;
		1481
		1482	=item cf::region::find_by_path $path
		1483
		1484	Tries to decuce the likely region for a map knowing only its path.
		1485
		1486	=cut
		1487
		1488	sub find_by_path($) {
		1489	my ($path) = @_;
		1490
		1491	my ($match, $specificity);
		1492
		1493	for my $region (list) {
		1494	if ($region->match && $path =~ $region->match) {
		1495	($match, $specificity) = ($region, $region->specificity)
		1496	if $region->specificity > $specificity;
		1497	}
		1498	}
		1499
		1500	$match
		1501	}
1125		1502
1126	=back	1503	=back
1127
1128		1504
1129	=head3 cf::map	1505	=head3 cf::map
1130		1506
1131	=over 4	1507	=over 4
1132		1508
…		…
1187	my ($self, $merge) = @_;	1563	my ($self, $merge) = @_;
1188		1564
1189	# we have to keep some variables in memory intact	1565	# we have to keep some variables in memory intact
1190	local $self->{path};	1566	local $self->{path};
1191	local $self->{load_path};	1567	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1568
1195	$self->SUPER::thawer_merge ($merge);	1569	$self->SUPER::thawer_merge ($merge);
1196	}	1570	}
1197		1571
1198	sub normalise {	1572	sub normalise {
…		…
1270		1644
1271	# the original (read-only) location	1645	# the original (read-only) location
1272	sub load_path {	1646	sub load_path {
1273	my ($self) = @_;	1647	my ($self) = @_;
1274		1648
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1649	"$MAPDIR/$self->{path}.map"
1276	}	1650	}
1277		1651
1278	# the temporary/swap location	1652	# the temporary/swap location
1279	sub save_path {	1653	sub save_path {
1280	my ($self) = @_;	1654	my ($self) = @_;
1281		1655
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1657	"$TMPDIR/$path.map"
1284	}	1658	}
1285		1659
1286	# the unique path, undef == no special unique path	1660	# the unique path, undef == no special unique path
1287	sub uniq_path {	1661	sub uniq_path {
1288	my ($self) = @_;	1662	my ($self) = @_;
1289		1663
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1665	"$UNIQUEDIR/$path"
1292	}	1666	}
1293		1667
1294	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1295	# all maps in C++...	1669	# all maps in C++...
1296	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1298		1672
1299	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1301	}	1675	}
1302		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
1303	sub unlink_save {	1685	sub unlink_save {
1304	my ($self) = @_;	1686	my ($self) = @_;
1305		1687
1306	utf8::encode (my $save = $self->save_path);	1688	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1690	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	}	1691	}
1315		1692
1316	sub load_header_from($) {	1693	sub load_header_from($) {
1317	my ($self, $path) = @_;	1694	my ($self, $path) = @_;
1318		1695
…		…
1368	$self->load_header_orig	1745	$self->load_header_orig
1369	or return;	1746	or return;
1370	$self->prepare_orig;	1747	$self->prepare_orig;
1371	}	1748	}
1372		1749
		1750	$self->{deny_reset} = 1
		1751	if $self->no_reset;
		1752
		1753	$self->default_region (cf::region::find_by_path $self->{path})
		1754	unless $self->default_region;
		1755
1373	1	1756	1
1374	}	1757	}
1375		1758
1376	sub find;	1759	sub find;
1377	sub find {	1760	sub find {
…		…
1389	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1390		1773
1391	$map->load_header	1774	$map->load_header
1392	or return;	1775	or return;
1393		1776
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1778	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1779	#$cf::WAIT_FOR_TICK->wait;
1397	$map->reset;	1780	$map->reset;
1398	undef $guard;	1781	undef $guard;
1399	return find $path;	1782	return find $path;
…		…
1410	my ($self) = @_;	1793	my ($self) = @_;
1411		1794
1412	local $self->{deny_reset} = 1; # loading can take a long time	1795	local $self->{deny_reset} = 1; # loading can take a long time
1413		1796
1414	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1800	my $guard = cf::lock_acquire "map_load:$path";
1416		1801
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1418		1803
1419	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1420		1805
1421	$self->alloc;	1806	$self->alloc;
1422		1807
1423	$self->pre_load;	1808	$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;	1809	Coro::cede;
1449	$self->set_darkness_map;	1810
		1811	$self->_load_objects ($self->{load_path}, 1)
		1812	or return;
		1813
		1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1815	if delete $self->{load_original};
		1816
		1817	if (my $uniq = $self->uniq_path) {
		1818	utf8::encode $uniq;
		1819	if (aio_open $uniq, O_RDONLY, 0) {
		1820	$self->clear_unique_items;
		1821	$self->_load_objects ($uniq, 0);
		1822	}
		1823	}
		1824
		1825	Coro::cede;
		1826	# now do the right thing for maps
		1827	$self->link_multipart_objects;
1450	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1829	unless $self->difficulty;
1452	Coro::cede;	1830	Coro::cede;
		1831
		1832	unless ($self->{deny_activate}) {
		1833	$self->decay_objects;
		1834	$self->fix_auto_apply;
		1835	$self->update_buttons;
		1836	Coro::cede;
		1837	$self->set_darkness_map;
		1838	Coro::cede;
1453	$self->activate;	1839	$self->activate;
		1840	}
		1841
		1842	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	1843	}
1455		1844
1456	$self->post_load;	1845	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1846	}
1460		1847
1461	sub customise_for {	1848	sub customise_for {
1462	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1463		1850
1464	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
1466		1856
1467	$self	1857	$self
1468	}	1858	}
1469		1859
1470	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
…		…
1581		1971
1582	sub reset_at {	1972	sub reset_at {
1583	my ($self) = @_;	1973	my ($self) = @_;
1584		1974
1585	# TODO: safety, remove and allow resettable per-player maps	1975	# 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};	1976	return 1e99 if $self->{deny_reset};
1588		1977
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		1980
…		…
1602	my ($self) = @_;	1991	my ($self) = @_;
1603		1992
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		1994
1606	return if $self->players;	1995	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		1996
1609	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
		1998
		1999	$self->in_memory (cf::MAP_SWAPPED);
		2000
		2001	# need to save uniques path
		2002	unless ($self->{deny_save}) {
		2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2004
		2005	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2006	if $uniq;
		2007	}
1610		2008
1611	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
1612		2010
1613	$self->in_memory (cf::MAP_SWAPPED);
1614	$self->clear;	2011	$self->clear;
1615		2012
1616	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1617		2014
1618	$self->unlink_save;	2015	$self->unlink_save;
…		…
1637	$cf::MAP{$self->path} = $self;	2034	$cf::MAP{$self->path} = $self;
1638		2035
1639	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1640	}	2037	}
1641		2038
		2039	=item $maps = cf::map::tmp_maps
		2040
		2041	Returns an arrayref with all map paths of currently instantiated and saved
		2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
		2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
		2056
		2057	=item $maps = cf::map::random_maps
		2058
		2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
		2061
		2062	=cut
		2063
		2064	sub random_maps() {
		2065	[
		2066	map {
		2067	utf8::decode $_;
		2068	/\.map$/
		2069	? normalise "?random/$_"
		2070	: ()
		2071	} @{ aio_readdir $RANDOMDIR or [] }
		2072	]
		2073	}
		2074
1642	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1643		2076
1644	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2078	instantiated unique items. May block.
1646		2079
1647	=cut	2080	=cut
1648		2081
1649	sub unique_maps() {	2082	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1651	or return;	2084	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2085	utf8::decode $_;
1657	next if /\.pst$/;	2086	/\.map$/
1658	next unless /^$PATH_SEP/o;	2087	? normalise $_
1659		2088	: ()
1660	push @paths, cf::map::normalise $_;	2089	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2090	]
1662
1663	\@paths
1664	}	2091	}
1665		2092
1666	package cf;	2093	package cf;
1667		2094
1668	=back	2095	=back
…		…
1714		2141
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2143
1717	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1719	} else {	2147	} else {
		2148	my $pl = $self->contr;
		2149
		2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2151	my $diag = $pl->{npc_dialog};
		2152	$diag->{pl}->ext_reply (
		2153	$diag->{id},
		2154	msgtype => "reply",
		2155	msg => $diag->{pl}->expand_cfpod ($msg),
		2156	add_topics => []
		2157	);
		2158
		2159	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1722	}	2163	}
1723	}	2164	}
1724		2165
1725	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1726		2167
…		…
1774	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1775		2216
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2218
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1780		2221
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2223	}
1783		2224
1784	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1786		2229
1787	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1788		2231
1789	unless ($map) {	2232	unless ($map) {
1790	# restore original map position	2233	# restore original map position
…		…
1808	$map->load;	2251	$map->load;
1809	$map->load_diag;	2252	$map->load_diag;
1810		2253
1811	return unless $self->contr->active;	2254	return unless $self->contr->active;
1812	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1814	}	2259	}
1815		2260
1816	cf::player->attach (
1817	on_logout => sub {
1818	my ($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)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1849		2262
		2263	Moves the player to the given map-path and coordinates by first freezing
		2264	her, loading and preparing them map, calling the provided $check callback
		2265	that has to return the map if sucecssful, and then unfreezes the player on
		2266	the new (success) or old (failed) map position.
		2267
1850	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1851		2271
1852	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2273	my ($self, $path, $x, $y, $check) = @_;
		2274
		2275	# do generation counting so two concurrent goto's will be executed in-order
		2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2277
1855	$self->enter_link;	2278	$self->enter_link;
1856		2279
1857	(async {	2280	(async {
1858	my $map = eval {	2281	my $map = eval {
1859	my $map = cf::map::find $path;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2285	$map = $map->customise_for ($self);
		2286	$map = $check->($map) if $check && $map;
		2287	} else {
		2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2289	}
		2290
1861	$map	2291	$map
		2292	};
		2293
		2294	if ($@) {
		2295	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2297	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2298
		2299	if ($gen == $self->{_goto_generation}) {
		2300	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1866	})->prio (1);	2303	})->prio (1);
1867	}	2304	}
1868		2305
1869	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1870		2307
…		…
1909		2346
1910	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1911		2348
1912	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2351	my $meta = "$RANDOMDIR/$md5.meta";
1915		2352
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2354	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2355	undef $fh;
1919	aio_rename "$meta~", $meta;	2356	aio_rename "$meta~", $meta;
…		…
1928		2365
1929	return unless $self->type == cf::PLAYER;	2366	return unless $self->type == cf::PLAYER;
1930		2367
1931	if ($exit->slaying eq "/!") {	2368	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2370	# the problem is that $exit might not survive long enough
		2371	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2372	cf::sync_job { prepare_random_map $exit };
1934	}	2373	}
1935		2374
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2376	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2377	my $sp = $exit->stats->sp;
1939		2378
1940	$self->enter_link;	2379	$self->enter_link;
		2380
		2381	# if exit is damned, update players death & WoR home-position
		2382	$self->contr->savebed ($slaying, $hp, $sp)
		2383	if $exit->flag (FLAG_DAMNED);
1941		2384
1942	(async {	2385	(async {
1943	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2387	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2388	$self->goto ($slaying, $hp, $sp);
1946		2389
1947	1;	2390	1;
1948	}) {	2391	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2392	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2393	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2394	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2395	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2396
1954	warn "ERROR in enter_exit: $@";	2397	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2398	$self->leave_link;
1956	}	2399	}
1957	})->prio (1);	2400	})->prio (1);
…		…
1970		2413
1971	sub cf::client::send_drawinfo {	2414	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2415	my ($self, $text, $flags) = @_;
1973		2416
1974	utf8::encode $text;	2417	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2419	}
1977		2420
		2421	=item $client->send_msg ($color, $type, $msg, [extra...])
		2422
		2423	Send a drawinfo or msg packet to the client, formatting the msg for the
		2424	client if neccessary. C<$type> should be a string identifying the type of
		2425	the message, with C<log> being the default. If C<$color> is negative, suppress
		2426	the message unless the client supports the msg packet.
		2427
		2428	=cut
		2429
		2430	sub cf::client::send_msg {
		2431	my ($self, $color, $type, $msg, @extra) = @_;
		2432
		2433	$msg = $self->pl->expand_cfpod ($msg);
		2434
		2435	return unless @extra || length $msg;
		2436
		2437	if ($self->can_msg) {
		2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2439	} else {
		2440	# replace some tags by gcfclient-compatible ones
		2441	for ($msg) {
		2442	1 while
		2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2448	}
		2449
		2450	if ($color >= 0) {
		2451	if (0 && $msg =~ /\[/) {
		2452	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2453	} else {
		2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2455	$self->send_packet ("drawinfo $color $msg")
		2456	}
		2457	}
		2458	}
		2459	}
		2460
		2461	=item $client->ext_event ($type, %msg)
		2462
		2463	Sends an ext event to the client.
		2464
		2465	=cut
		2466
		2467	sub cf::client::ext_event($$%) {
		2468	my ($self, $type, %msg) = @_;
		2469
		2470	$msg{msgtype} = "event_$type";
		2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2472	}
1978		2473
1979	=item $success = $client->query ($flags, "text", \&cb)	2474	=item $success = $client->query ($flags, "text", \&cb)
1980		2475
1981	Queues a query to the client, calling the given callback with	2476	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>,	2477	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>.	2478	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2479
1985	Queries can fail, so check the return code. Or don't, as queries will become	2480	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2481	become reliable at some point in the future.
1987		2482
1988	=cut	2483	=cut
1989		2484
1990	sub cf::client::query {	2485	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2486	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2494	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2495	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2496
2002	$self->send_packet ($self->{query_queue}[0][0])	2497	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2498	if @{ $self->{query_queue} } == 1;
		2499
		2500	1
2004	}	2501	}
2005		2502
2006	cf::client->attach (	2503	cf::client->attach (
		2504	on_connect => sub {
		2505	my ($ns) = @_;
		2506
		2507	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2508	},
2007	on_reply => sub {	2509	on_reply => sub {
2008	my ($ns, $msg) = @_;	2510	my ($ns, $msg) = @_;
2009		2511
2010	# this weird shuffling is so that direct followup queries	2512	# this weird shuffling is so that direct followup queries
2011	# get handled first	2513	# get handled first
…		…
2023	} else {	2525	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2526	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2527	}
2026	}	2528	}
2027	},	2529	},
		2530	on_exticmd => sub {
		2531	my ($ns, $buf) = @_;
		2532
		2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2534
		2535	if (ref $msg) {
		2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2537	if (my %reply = $cb->($ns, $msg)) {
		2538	$reply{msgid} = $msg->{msgid};
		2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2540	}
		2541	}
		2542	} else {
		2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2544	}
		2545
		2546	cf::override;
		2547	},
2028	);	2548	);
2029		2549
2030	=item $client->async (\&cb)	2550	=item $client->async (\&cb)
2031		2551
2032	Create a new coroutine, running the specified callback. The coroutine will	2552	Create a new coroutine, running the specified callback. The coroutine will
…		…
2079		2599
2080	# here we export the classes and methods available to script code	2600	# here we export the classes and methods available to script code
2081		2601
2082	=pod	2602	=pod
2083		2603
2084	The following fucntions and emthods are available within a safe environment:	2604	The following functions and methods are available within a safe environment:
2085		2605
2086	cf::object contr pay_amount pay_player map	2606	cf::object
		2607	contr pay_amount pay_player map x y force_find force_add
		2608	insert remove
		2609
2087	cf::object::player player	2610	cf::object::player
2088	cf::player peaceful	2611	player
2089	cf::map trigger	2612
		2613	cf::player
		2614	peaceful
		2615
		2616	cf::map
		2617	trigger
2090		2618
2091	=cut	2619	=cut
2092		2620
2093	for (	2621	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2623	insert remove)],
2095	["cf::object::player" => qw(player)],	2624	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2625	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2626	["cf::map" => qw(trigger)],
2098	) {	2627	) {
2099	no strict 'refs';	2628	no strict 'refs';
…		…
2170	=back	2699	=back
2171		2700
2172	=cut	2701	=cut
2173		2702
2174	#############################################################################	2703	#############################################################################
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]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	2704	# the server's init and main functions
2284		2705
2285	sub load_resources {	2706	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2707	my ($path) = @_;
		2708
		2709	warn "loading facedata from $path\n";
		2710
		2711	my $facedata;
		2712	0 < aio_load $path, $facedata
		2713	or die "$path: $!";
		2714
		2715	$facedata = Coro::Storable::thaw $facedata;
		2716
		2717	$facedata->{version} == 2
		2718	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2719
		2720	{
		2721	my $faces = $facedata->{faceinfo};
		2722
		2723	while (my ($face, $info) = each %$faces) {
		2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2725	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2726	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2727	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2728	Coro::cede;
		2729	}
		2730
		2731	while (my ($face, $info) = each %$faces) {
		2732	next unless $info->{smooth};
		2733	my $idx = cf::face::find $face
		2734	or next;
		2735	if (my $smooth = cf::face::find $info->{smooth}) {
		2736	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2737	} else {
		2738	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2739	}
		2740	Coro::cede;
		2741	}
		2742	}
		2743
		2744	{
		2745	my $anims = $facedata->{animinfo};
		2746
		2747	while (my ($anim, $info) = each %$anims) {
		2748	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2749	Coro::cede;
		2750	}
		2751
		2752	cf::anim::invalidate_all; # d'oh
		2753	}
		2754
		2755	1
		2756	}
		2757
		2758	sub reload_regions {
		2759	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	2760	or die "unable to load regions file\n";
		2761	}
		2762
		2763	sub reload_facedata {
		2764	load_facedata "$DATADIR/facedata"
		2765	or die "unable to load facedata\n";
		2766	}
		2767
		2768	sub reload_archetypes {
		2769	load_resource_file "$DATADIR/archetypes"
		2770	or die "unable to load archetypes\n";
		2771	#d# NEED to laod twice to resolve forward references
		2772	# this really needs to be done in an extra post-pass
		2773	# (which needs to be synchronous, so solve it differently)
		2774	load_resource_file "$DATADIR/archetypes"
		2775	or die "unable to load archetypes\n";
		2776	}
		2777
		2778	sub reload_treasures {
		2779	load_resource_file "$DATADIR/treasures"
		2780	or die "unable to load treasurelists\n";
		2781	}
		2782
		2783	sub reload_resources {
		2784	warn "reloading resource files...\n";
		2785
		2786	reload_regions;
		2787	reload_facedata;
		2788	#reload_archetypes;#d#
		2789	reload_archetypes;
		2790	reload_treasures;
		2791
		2792	warn "finished reloading resource files\n";
		2793	}
		2794
		2795	sub init {
		2796	reload_resources;
2288	}	2797	}
2289		2798
2290	sub cfg_load {	2799	sub cfg_load {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	2800	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	2801	or return;
2293		2802
2294	local $/;	2803	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	2804	*CFG = YAML::Syck::Load <$fh>;
2296		2805
…		…
2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2813	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305	and die "WARNING: m(un)lockall failed: $!\n";	2814	and die "WARNING: m(un)lockall failed: $!\n";
2306	};	2815	};
2307	warn $@ if $@;	2816	warn $@ if $@;
2308	}	2817	}
2309	}
2310
2311	sub init {
2312	load_resources;
2313	}	2818	}
2314		2819
2315	sub main {	2820	sub main {
2316	# we must not ever block the main coroutine	2821	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	2822	local $Coro::idle = sub {
…		…
2320	Event::one_event;	2825	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	2826	})->prio (Coro::PRIO_MAX);
2322	};	2827	};
2323		2828
2324	cfg_load;	2829	cfg_load;
2325	db_load;	2830	db_init;
2326	load_extensions;	2831	load_extensions;
2327		2832
2328	$TICK_WATCHER->start;	2833	$TICK_WATCHER->start;
2329	Event::loop;	2834	Event::loop;
2330	}	2835	}
…		…
2345	},	2850	},
2346	);	2851	);
2347	}	2852	}
2348	}	2853	}
2349		2854
		2855	sub write_runtime {
		2856	my $runtime = "$LOCALDIR/runtime";
		2857
		2858	# first touch the runtime file to show we are still running:
		2859	# the fsync below can take a very very long time.
		2860
		2861	IO::AIO::aio_utime $runtime, undef, undef;
		2862
		2863	my $guard = cf::lock_acquire "write_runtime";
		2864
		2865	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2866	or return;
		2867
		2868	my $value = $cf::RUNTIME + 90 + 10;
		2869	# 10 is the runtime save interval, for a monotonic clock
		2870	# 60 allows for the watchdog to kill the server.
		2871
		2872	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2873	and return;
		2874
		2875	# always fsync - this file is important
		2876	aio_fsync $fh
		2877	and return;
		2878
		2879	# touch it again to show we are up-to-date
		2880	aio_utime $fh, undef, undef;
		2881
		2882	close $fh
		2883	or return;
		2884
		2885	aio_rename "$runtime~", $runtime
		2886	and return;
		2887
		2888	warn "runtime file written.\n";
		2889
		2890	1
		2891	}
		2892
2350	sub emergency_save() {	2893	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	2894	my $freeze_guard = cf::freeze_mainloop;
2352		2895
2353	warn "enter emergency perl save\n";	2896	warn "enter emergency perl save\n";
2354		2897
…		…
2369	my $map = $cf::MAP{$path} or next;	2912	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	2913	$map->valid or next;
2371	$map->save;	2914	$map->save;
2372	}	2915	}
2373	warn "end emergency map save\n";	2916	warn "end emergency map save\n";
		2917
		2918	warn "begin emergency database checkpoint\n";
		2919	BDB::db_env_txn_checkpoint $DB_ENV;
		2920	warn "end emergency database checkpoint\n";
2374	};	2921	};
2375		2922
2376	warn "leave emergency perl save\n";	2923	warn "leave emergency perl save\n";
2377	}	2924	}
2378		2925
		2926	sub post_cleanup {
		2927	my ($make_core) = @_;
		2928
		2929	warn Carp::longmess "post_cleanup backtrace"
		2930	if $make_core;
		2931	}
		2932
2379	sub reload() {	2933	sub do_reload_perl() {
2380	# can/must only be called in main	2934	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	2935	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	2936	warn "can only reload from main coroutine";
2383	return;	2937	return;
2384	}	2938	}
2385		2939
2386	warn "reloading...";	2940	warn "reloading...";
2387		2941
2388	warn "cancelling server ticker";	2942	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		2943
		2944	cf::sync_job {
		2945	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	2946	cf::emergency_save;
		2947	cf::write_runtime; # external watchdog should not bark
2392		2948
2393	eval {	2949	warn "syncing database to disk";
		2950	BDB::db_env_txn_checkpoint $DB_ENV;
		2951
2394	# if anything goes wrong in here, we should simply crash as we already saved	2952	# 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		2953
2399	warn "cancelling all WF_AUTOCANCEL watchers";	2954	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	2955	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	2956	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	2957	}
2403		2958
2404	warn "flushing outstanding aio requests";	2959	warn "flushing outstanding aio requests";
2405	for (;;) {	2960	for (;;) {
		2961	BDB::flush;
2406	IO::AIO::flush;	2962	IO::AIO::flush;
2407	Coro::cede;	2963	Coro::cede;
2408	last unless IO::AIO::nreqs;	2964	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	2965	warn "iterate...";
2410	}	2966	}
		2967
		2968	++$RELOAD;
2411		2969
2412	warn "cancelling all extension coros";	2970	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	2971	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	2972	%EXT_CORO = ();
2415		2973
2416	warn "removing commands";	2974	warn "removing commands";
2417	%COMMAND = ();	2975	%COMMAND = ();
2418		2976
2419	warn "removing ext commands";	2977	warn "removing ext/exti commands";
2420	%EXTCMD = ();	2978	%EXTCMD = ();
		2979	%EXTICMD = ();
2421		2980
2422	warn "unloading/nuking all extensions";	2981	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	2982	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	2983	warn "... unloading $pkg";
2425		2984
…		…
2455	Symbol::delete_package "safe::$_"	3014	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3015	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3016
2458	warn "unloading cf.pm \"a bit\"";	3017	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3018	delete $INC{"cf.pm"};
		3019	delete $INC{"cf/pod.pm"};
2460		3020
2461	# don't, removes xs symbols, too,	3021	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3022	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3023	#Symbol::delete_package __PACKAGE__;
2464		3024
…		…
2468	require cf;	3028	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3029	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3030
2471	warn "loading config and database again";	3031	warn "loading config and database again";
2472	cf::cfg_load;	3032	cf::cfg_load;
2473	cf::db_load;
2474		3033
2475	warn "loading extensions";	3034	warn "loading extensions";
2476	cf::load_extensions;	3035	cf::load_extensions;
2477		3036
2478	warn "reattaching attachments to objects/players";	3037	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3038	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3039	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3040	reattach $_ for values %MAP;
		3041	warn "reattaching attachments to players";
		3042	reattach $_ for values %PLAYER;
2482		3043
2483	warn "loading reloadable resources";	3044	warn "leaving sync_job";
2484	load_resources;
2485		3045
2486	warn "restarting server ticker";	3046	1
2487		3047	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3048	warn $@;
2493	warn "error while reloading, exiting.";	3049	warn "error while reloading, exiting.";
2494	exit 1;	3050	exit 1;
2495	}	3051	};
2496		3052
2497	warn "reloaded";	3053	warn "reloaded";
2498	};	3054	};
2499		3055
2500	our $RELOAD_WATCHER; # used only during reload	3056	our $RELOAD_WATCHER; # used only during reload
2501		3057
		3058	sub reload_perl() {
		3059	# doing reload synchronously and two reloads happen back-to-back,
		3060	# coro crashes during coro_state_free->destroy here.
		3061
		3062	$RELOAD_WATCHER ||= Event->timer (
		3063	reentrant => 0,
		3064	after => 0,
		3065	data => WF_AUTOCANCEL,
		3066	cb => sub {
		3067	do_reload_perl;
		3068	undef $RELOAD_WATCHER;
		3069	},
		3070	);
		3071	}
		3072
2502	register_command "reload" => sub {	3073	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3074	my ($who, $arg) = @_;
2504		3075
2505	if ($who->flag (FLAG_WIZ)) {	3076	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3077	$who->message ("reloading server.");
2507		3078	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	}	3079	}
2521	};	3080	};
2522		3081
2523	unshift @INC, $LIBDIR;	3082	unshift @INC, $LIBDIR;
2524		3083
2525	my $bug_warning = 0;	3084	my $bug_warning = 0;
2526		3085
		3086	our @WAIT_FOR_TICK;
		3087	our @WAIT_FOR_TICK_BEGIN;
		3088
		3089	sub wait_for_tick {
		3090	return unless $TICK_WATCHER->is_active;
		3091	return if $Coro::current == $Coro::main;
		3092
		3093	my $signal = new Coro::Signal;
		3094	push @WAIT_FOR_TICK, $signal;
		3095	$signal->wait;
		3096	}
		3097
		3098	sub wait_for_tick_begin {
		3099	return unless $TICK_WATCHER->is_active;
		3100	return if $Coro::current == $Coro::main;
		3101
		3102	my $signal = new Coro::Signal;
		3103	push @WAIT_FOR_TICK_BEGIN, $signal;
		3104	$signal->wait;
		3105	}
		3106
		3107	my $min = 1e6;#d#
		3108	my $avg = 10;
2527	$TICK_WATCHER = Event->timer (	3109	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3110	reentrant => 0,
2529	parked => 1,	3111	parked => 1,
2530	prio => 0,	3112	prio => 0,
2531	at => $NEXT_TICK || $TICK,	3113	at => $NEXT_TICK || $TICK,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3118	unless ++$bug_warning > 10;
2537	return;	3119	return;
2538	}	3120	}
2539		3121
2540	$NOW = Event::time;	3122	$NOW = $tick_start = Event::time;
2541		3123
2542	cf::server_tick; # one server iteration	3124	cf::server_tick; # one server iteration
		3125
		3126	0 && sync_job {#d#
		3127	for(1..10) {
		3128	my $t = Event::time;
		3129	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3130	or die;
		3131
		3132	$map->width (50);
		3133	$map->height (50);
		3134	$map->alloc;
		3135	$map->_load_objects ("/tmp/x.map", 1);
		3136	my $t = Event::time - $t;
		3137
		3138	#next unless $t < 0.0013;#d#
		3139	if ($t < $min) {
		3140	$min = $t;
		3141	}
		3142	$avg = $avg * 0.99 + $t * 0.01;
		3143	}
		3144	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3145	exit 0;
		3146	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3147	};
		3148
2543	$RUNTIME += $TICK;	3149	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3150	$NEXT_TICK += $TICK;
2545		3151
2546	$WAIT_FOR_TICK->broadcast;	3152	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3153	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3154	Coro::async_pool {
2549	Event::sweep;	3155	write_runtime
2550	Coro::cede_notself;	3156	or warn "ERROR: unable to write runtime file: $!";
		3157	};
2551		3158	}
		3159
2552	# my $AFTER = Event::time;	3160	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#	3161	# warn $AFTER - $NOW;#d#
2554		3162
		3163	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3164	$sig->send;
		3165	}
		3166	while (my $sig = shift @WAIT_FOR_TICK) {
		3167	$sig->send;
		3168	}
		3169
		3170	$NOW = Event::time;
		3171
2555	# if we are delayed by four ticks or more, skip them all	3172	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3173	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3174
2558	$TICK_WATCHER->at ($NEXT_TICK);	3175	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	3176	$TICK_WATCHER->start;
		3177
		3178	$LOAD = ($NOW - $tick_start) / $TICK;
		3179	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3180
		3181	_post_tick;
		3182
		3183
2560	},	3184	},
2561	);	3185	);
2562		3186
2563	{	3187	{
2564	BDB::max_poll_time $TICK * 0.1;	3188	BDB::max_poll_time $TICK * 0.1;
…		…
2589		3213
2590	unless ($DB_ENV) {	3214	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3215	$DB_ENV = BDB::db_env_create;
2592		3216
2593	cf::sync_job {	3217	cf::sync_job {
		3218	eval {
2594	BDB::db_env_open	3219	BDB::db_env_open
2595	$DB_ENV,	3220	$DB_ENV,
2596	$BDB_ENV_DIR,	3221	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3222	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3223	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3224	0666;
2600		3225
2601	cf::cleanup "$!" if $!;	3226	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3227
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3228	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3229	$DB_ENV->set_lk_detect;
		3230	};
		3231
		3232	cf::cleanup "db_env_open(db): $@" if $@;
2604	};	3233	};
2605	}	3234	}
2606	}	3235	}
2607		3236
2608	{	3237	{
…		…
2610		3239
2611	undef $Coro::AIO::WATCHER;	3240	undef $Coro::AIO::WATCHER;
2612	IO::AIO::max_poll_time $TICK * 0.1;	3241	IO::AIO::max_poll_time $TICK * 0.1;
2613	$AIO_POLL_WATCHER = Event->io (	3242	$AIO_POLL_WATCHER = Event->io (
2614	reentrant => 0,	3243	reentrant => 0,
		3244	data => WF_AUTOCANCEL,
2615	fd => IO::AIO::poll_fileno,	3245	fd => IO::AIO::poll_fileno,
2616	poll => 'r',	3246	poll => 'r',
2617	prio => 6,	3247	prio => 6,
2618	data => WF_AUTOCANCEL,
2619	cb => \&IO::AIO::poll_cb,	3248	cb => \&IO::AIO::poll_cb,
2620	);	3249	);
2621	}	3250	}
2622		3251
2623	$WRITE_RUNTIME_WATCHER = Event->timer (	3252	my $_log_backtrace;
2624	reentrant => 0,	3253
2625	data => WF_AUTOCANCEL,	3254	sub _log_backtrace {
2626	after => 1,	3255	my ($msg, @addr) = @_;
2627	interval => 10,	3256
2628	prio => 6, # keep it lowest so it acts like a watchdog	3257	$msg =~ s/\n//;
2629	cb => Coro::unblock_sub {	3258
2630	write_runtime	3259	# limit the # of concurrent backtraces
2631	or warn "ERROR: unable to write runtime file: $!";	3260	if ($_log_backtrace < 2) {
		3261	++$_log_backtrace;
		3262	async {
		3263	my @bt = fork_call {
		3264	@addr = map { sprintf "%x", $_ } @addr;
		3265	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3266	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3267	or die "addr2line: $!";
		3268
		3269	my @funcs;
		3270	my @res = <$fh>;
		3271	chomp for @res;
		3272	while (@res) {
		3273	my ($func, $line) = splice @res, 0, 2, ();
		3274	push @funcs, "[$func] $line";
		3275	}
		3276
		3277	@funcs
		3278	};
		3279
		3280	LOG llevInfo, "[ABT] $msg\n";
		3281	LOG llevInfo, "[ABT] $_\n" for @bt;
		3282	--$_log_backtrace;
		3283	};
		3284	} else {
		3285	LOG llevInfo, "[ABT] $msg\n";
		3286	LOG llevInfo, "[ABT] [suppressed]\n";
2632	},	3287	}
2633	);	3288	}
		3289
		3290	# load additional modules
		3291	use cf::pod;
2634		3292
2635	END { cf::emergency_save }	3293	END { cf::emergency_save }
2636		3294
2637	1	3295	1
2638		3296

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