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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
26		34
		35	# configure various modules to our taste
		36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
		38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		40
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	41	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		42
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
33		45
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
36	our %COMMAND = ();	50	our %COMMAND = ();
37	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
38		52
39	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
43		58
		59	our $RELOAD; # number of reloads so far
44	our @EVENT;	60	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		61
47	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	75	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	78	our $NEXT_TICK;
52	our $NOW;	79	our $NOW;
		80	our $USE_FSYNC = 1; # use fsync to write maps - default off
		81
		82	our $BDB_POLL_WATCHER;
		83	our $DB_ENV;
53		84
54	our %CFG;	85	our %CFG;
55		86
56	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	88	our $RUNTIME;
58		89
59	our %PLAYER; # all users	90	our %PLAYER; # all users
60	our %MAP; # all maps	91	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	92	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		93
67	# used to convert map paths into valid unix filenames by replacing / by ∕	94	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		96
		97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		98	our $LOADAVG; # same thing, but with alpha-smoothing
		99	our $tick_start; # for load detecting purposes
		100
70	binmode STDOUT;	101	binmode STDOUT;
71	binmode STDERR;	102	binmode STDERR;
72		103
73	# read virtual server time, if available	104	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
78	}	109	}
79		110
80	mkdir cf::localdir;	111	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		113
86	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
87		115
88	sub cf::map::normalise;	116	sub cf::map::normalise;
89		117
…		…
100	=item $cf::RUNTIME	128	=item $cf::RUNTIME
101		129
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	130	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	131	every server tick.
104		132
105	=item $cf::LIBDIR	133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		136
107	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		139	unique-items directory, player file directory, random maps directory and
		140	database environment.
109		141
110	=item $cf::NOW	142	=item $cf::NOW
111		143
112	The time of the last (current) server tick.	144	The time of the last (current) server tick.
113		145
114	=item $cf::TICK	146	=item $cf::TICK
115		147
116	The interval between server ticks, in seconds.	148	The interval between server ticks, in seconds.
		149
		150	=item $cf::LOADAVG
		151
		152	The current CPU load on the server (alpha-smoothed), as a value between 0
		153	(none) and 1 (overloaded), indicating how much time is spent on processing
		154	objects per tick. Healthy values are < 0.5.
		155
		156	=item $cf::LOAD
		157
		158	The raw value load value from the last tick.
117		159
118	=item %cf::CFG	160	=item %cf::CFG
119		161
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	163	from wherever your confdir points to.
122		164
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		166
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	168	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.
129		170
130	=back	171	=back
131		172
132	=cut	173	=cut
133		174
134	BEGIN {	175	BEGIN {
135	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	177	my $msg = join "", @_;
137	utf8::encode $msg;
138		178
139	$msg .= "\n"	179	$msg .= "\n"
140	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
141		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
142	LOG llevError, $msg;	185	LOG llevError, $msg;
143	};	186	};
144	}	187	}
145		188
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	193	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		194	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	195	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		196
153	# we bless all objects into (empty) derived classes to force a method lookup	197	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	198	# within the Safe compartment.
155	for my $pkg (qw(	199	for my $pkg (qw(
156	cf::global cf::attachable	200	cf::global cf::attachable
…		…
164	}	208	}
165		209
166	$Event::DIED = sub {	210	$Event::DIED = sub {
167	warn "error in event callback: @_";	211	warn "error in event callback: @_";
168	};	212	};
		213
		214	#############################################################################
169		215
170	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
171		217
172	=over 4	218	=over 4
173		219
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	239	$d
194	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
195	}	241	}
196		242
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
200		244
201	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
202		246
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
211		248
212	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
213		250
214	=cut	251	=cut
215		252
216	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
218	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
220		257
221	=item cf::lock_wait $string	258	=item cf::lock_wait $string
222		259
223	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
224		261
…		…
230	returned.	267	returned.
231		268
232	Lock names should begin with a unique identifier (for example, cf::map::find	269	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
234		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
235	=cut	276	=cut
236		277
237	our %LOCK;	278	our %LOCK;
238		279
239	sub lock_wait($) {	280	sub lock_wait($) {
…		…
258	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
260	}	301	}
261	}	302	}
262		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
263	sub freeze_mainloop {	310	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
265		312
266	my $guard = Coro::guard {	313	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	314	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	315	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
272	$guard	317	$guard
273	}	318	}
274		319
275	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
282		327
283	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
284		329
285	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
286		331
287	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
290		336
291	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
294	fast or be very important.	340	fast or be very important.
…		…
297		343
298	sub sync_job(&) {	344	sub sync_job(&) {
299	my ($job) = @_;	345	my ($job) = @_;
300		346
301	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
302	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
304		352
305	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
317		365
318	while ($busy) {	366	while ($busy) {
319	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
320	}	368	}
321		369
		370	$time = Event::time - $time;
		371
		372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		374
		375	$tick_start += $time; # do not account sync jobs to server load
		376
322	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
323	} else {	378	} else {
324	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
325		380
326	$job->()	381	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
346		401
347	$coro	402	$coro
348	}	403	}
349		404
350	sub write_runtime {	405	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		406
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
354	or return;	408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
355		411
356	my $value = $cf::RUNTIME + 90 + 10;	412	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		413
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	414	sub fork_call(&@) {
361	and return;	415	my ($cb, @args) = @_;
362		416
363	aio_fsync $fh	417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
364	and return;	418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
365		421
		422	if (my $pid = fork) {
366	close $fh	423	close $fh2;
367	or return;
368		424
369	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
370	and return;	426	warn "pst<$res>" unless $res =~ /^pst/;
		427	$res = Coro::Storable::thaw $res;
371		428
		429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		430
		431	Carp::confess $$res unless "ARRAY" eq ref $res;
		432
		433	return wantarray ? @$res : $res->[-1];
		434	} else {
		435	reset_signals;
		436	local $SIG{__WARN__};
		437	local $SIG{__DIE__};
		438	local $Coro::idle;
		439	$Coro::current->prio (Coro::PRIO_MAX);
		440	eval {
		441	close $fh1;
		442
		443	my @res = eval { $cb->(@args) };
		444
		445	open my $fh, ">", \my $buf
		446	or die "fork_call: cannot open fh-to-buf in child : $!";
		447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
		448	close $fh;
		449
		450	warn "writing ", length $buf;
		451	my $x;
		452	(length $buf) == ($x = syswrite $fh2, $buf)
		453	or warn "error writing ".(length $buf)." != $x\n";
		454	close $fh2;
		455	};
		456
		457	warn $@ if $@;
		458	_exit 0;
372	1	459	}
		460	}
		461
		462	=item $value = cf::db_get $family => $key
		463
		464	Returns a single value from the environment database.
		465
		466	=item cf::db_put $family => $key => $value
		467
		468	Stores the given C<$value> in the family. It can currently store binary
		469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		470
		471	=cut
		472
		473	our $DB;
		474
		475	sub db_init {
		476	unless ($DB) {
		477	$DB = BDB::db_create $DB_ENV;
		478
		479	cf::sync_job {
		480	eval {
		481	$DB->set_flags (BDB::CHKSUM);
		482
		483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		485	cf::cleanup "db_open(db): $!" if $!;
		486	};
		487	cf::cleanup "db_open(db): $@" if $@;
		488	};
		489	}
		490	}
		491
		492	sub db_get($$) {
		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 });
373	}	587	}
374		588
375	=back	589	=back
376		590
377	=cut	591	=cut
…		…
384	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")
385	to it. All such attachable objects support the following methods.	599	to it. All such attachable objects support the following methods.
386		600
387	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>
388	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
389	crossfire+).	603	Crossfire TRT).
390		604
391	=over 4	605	=over 4
392		606
393	=item $attachable->attach ($attachment, key => $value...)	607	=item $attachable->attach ($attachment, key => $value...)
394		608
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	771	$registry = $CB_TYPE[$object_type] ||= [];
558		772
559	} elsif ($type eq "subtype") {	773	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	774	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	775	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	776	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		777
564	} elsif ($type eq "package") {	778	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	779	my $pkg = shift @arg;
566		780
567	while (my ($name, $id) = each %cb_id) {	781	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	810	_attach $registry, $klass, @attach;
597	}	811	}
598		812
599	$obj->{$name} = \%arg;	813	$obj->{$name} = \%arg;
600	} else {	814	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	815	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	816	}
603		817
604	$obj->{_attachment}{$name} = undef;	818	$obj->{_attachment}{$name} = undef;
605	}	819	}
606		820
…		…
608	if (ref $_[0]) {	822	if (ref $_[0]) {
609	_object_attach @_;	823	_object_attach @_;
610	} else {	824	} else {
611	_attach shift->_attach_registry, @_;	825	_attach shift->_attach_registry, @_;
612	}	826	}
		827	_recalc_want;
613	};	828	};
614		829
615	# all those should be optimised	830	# all those should be optimised
616	sub cf::attachable::detach {	831	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	832	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	835	delete $obj->{_attachment}{$name};
621	reattach ($obj);	836	reattach ($obj);
622	} else {	837	} else {
623	Carp::croak "cannot, currently, detach class attachments";	838	Carp::croak "cannot, currently, detach class attachments";
624	}	839	}
		840	_recalc_want;
625	};	841	};
626		842
627	sub cf::attachable::attached {	843	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
629		845
…		…
752	$filename, length $$rdata, scalar @$objs;	968	$filename, length $$rdata, scalar @$objs;
753		969
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	971	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	973	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	974	close $fh;
759		975
760	if (@$objs) {	976	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	977	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	978	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	979	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	980	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	981	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	982	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	983	aio_rename "$filename.pst~", "$filename.pst";
768	}	984	}
769	} else {	985	} else {
770	aio_unlink "$filename.pst";	986	aio_unlink "$filename.pst";
…		…
802	or return;	1018	or return;
803	$av = eval { (Storable::thaw $av)->{objs} };	1019	$av = eval { (Storable::thaw $av)->{objs} };
804	}	1020	}
805		1021
806	warn sprintf "loading %s (%d)\n",	1022	warn sprintf "loading %s (%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1023	$filename, length $data, scalar @{$av || []};
808	return ($data, $av);	1024	return ($data, $av);
809	}	1025	}
		1026
		1027	=head2 COMMAND CALLBACKS
		1028
		1029	=over 4
		1030
		1031	=cut
810		1032
811	#############################################################################	1033	#############################################################################
812	# command handling &c	1034	# command handling &c
813		1035
814	=item cf::register_command $name => \&callback($ob,$args);	1036	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1049	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1050	}
829		1051
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1052	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1053
832	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.
833		1059
834	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
835	called.	1061	called.
836		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
837	=cut	1074	=cut
838		1075
839	sub register_extcmd {	1076	sub register_extcmd {
840	my ($name, $cb) = @_;	1077	my ($name, $cb) = @_;
841		1078
842	$EXTCMD{$name} = $cb;	1079	$EXTCMD{$name} = $cb;
		1080	}
		1081
		1082	sub register_exticmd {
		1083	my ($name, $cb) = @_;
		1084
		1085	$EXTICMD{$name} = $cb;
843	}	1086	}
844		1087
845	cf::player->attach (	1088	cf::player->attach (
846	on_command => sub {	1089	on_command => sub {
847	my ($pl, $name, $params) = @_;	1090	my ($pl, $name, $params) = @_;
…		…
856	cf::override;	1099	cf::override;
857	},	1100	},
858	on_extcmd => sub {	1101	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1102	my ($pl, $buf) = @_;
860		1103
861	my $msg = eval { from_json $buf };	1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1105
863	if (ref $msg) {	1106	if (ref $msg) {
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
865	if (my %reply = $cb->($pl, $msg)) {	1108	if (my %reply = $cb->($pl, $msg)) {
866	$pl->ext_reply ($msg->{msgid}, %reply);	1109	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
872		1115
873	cf::override;	1116	cf::override;
874	},	1117	},
875	);	1118	);
876		1119
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	1120	sub load_extensions {
		1121	cf::sync_job {
		1122	my %todo;
		1123
912	for my $ext (<$LIBDIR/*.ext>) {	1124	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1125	next unless -r $path;
914	eval {	1126
915	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;
916	1	1184	}
917	} or warn "$ext not loaded: $@";	1185
		1186	skip:
		1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1188	unless $progress;
		1189	}
918	}	1190	};
919	}	1191	}
920		1192
921	#############################################################################	1193	#############################################################################
922		1194
		1195	=back
		1196
923	=head2 CORE EXTENSIONS	1197	=head2 CORE EXTENSIONS
924		1198
925	Functions and methods that extend core crossfire objects.	1199	Functions and methods that extend core crossfire objects.
926		1200
927	=cut	1201	=cut
…		…
939	Returns the given player object, loading it if necessary (might block).	1213	Returns the given player object, loading it if necessary (might block).
940		1214
941	=cut	1215	=cut
942		1216
943	sub playerdir($) {	1217	sub playerdir($) {
944	cf::localdir	1218	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1219	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1220	}
950		1221
951	sub path($) {	1222	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1223	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1224
954	(playerdir $login) . "/$login.pl"	1225	(playerdir $login) . "/playerdata"
955	}	1226	}
956		1227
957	sub find_active($) {	1228	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1229	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1230	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1243	my $login = $_[0];
973		1244
974	my $guard = cf::lock_acquire "user_find:$login";	1245	my $guard = cf::lock_acquire "user_find:$login";
975		1246
976	$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
977	my $pl = load_pl path $login	1255	my $pl = load_pl path $login
978	or return;	1256	or return;
979	$cf::PLAYER{$login} = $pl	1257	$cf::PLAYER{$login} = $pl
980	}	1258	}
981	}	1259	}
…		…
1018		1296
1019	=cut	1297	=cut
1020		1298
1021	sub quit_character {	1299	sub quit_character {
1022	my ($pl) = @_;	1300	my ($pl) = @_;
		1301
		1302	my $name = $pl->ob->name;
1023		1303
1024	$pl->{deny_save} = 1;	1304	$pl->{deny_save} = 1;
1025	$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
1026		1306
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1032	my $path = playerdir $pl;	1312	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1313	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1314	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1315	delete $cf::PLAYER{$pl->ob->name};
1036	$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
1037	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;
1038	}	1338	}
1039		1339
1040	=item cf::player::list_logins	1340	=item cf::player::list_logins
1041		1341
1042	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
1043	while and may block, so not sync_job-capable, ever.	1343	while and may block, so not sync_job-capable, ever.
1044		1344
1045	=cut	1345	=cut
1046		1346
1047	sub list_logins {	1347	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1348	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1349	or return [];
1050		1350
1051	my @logins;	1351	my @logins;
1052		1352
1053	for my $login (@$dirs) {	1353	for my $login (@$dirs) {
…		…
1070	=cut	1370	=cut
1071		1371
1072	sub maps($) {	1372	sub maps($) {
1073	my ($pl) = @_;	1373	my ($pl) = @_;
1074		1374
		1375	$pl = ref $pl ? $pl->ob->name : $pl;
		1376
1075	my $files = aio_readdir playerdir $pl	1377	my $files = aio_readdir playerdir $pl
1076	or return;	1378	or return;
1077		1379
1078	my @paths;	1380	my @paths;
1079		1381
1080	for (@$files) {	1382	for (@$files) {
1081	utf8::decode $_;	1383	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1384	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1385	next unless /^$PATH_SEP/o;
1084		1386
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1387	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1388	}
1087		1389
1088	\@paths	1390	\@paths
1089	}	1391	}
1090		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
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1443	=item $player->ext_reply ($msgid, %msg)
1092		1444
1093	Sends an ext reply to the player.	1445	Sends an ext reply to the player.
1094		1446
1095	=cut	1447	=cut
1096		1448
1097	sub ext_reply($$$%) {	1449	sub ext_reply($$%) {
1098	my ($self, $id, %msg) = @_;	1450	my ($self, $id, %msg) = @_;
1099		1451
1100	$msg{msgid} = $id;	1452	$msg{msgid} = $id;
1101		1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1454	}
1104		1455
1105	package cf;	1456	=item $player->ext_event ($type, %msg)
		1457
		1458	Sends an ext event to the client.
		1459
		1460	=cut
		1461
		1462	sub ext_event($$%) {
		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	$match
		1495	}
1106		1496
1107	=back	1497	=back
1108
1109		1498
1110	=head3 cf::map	1499	=head3 cf::map
1111		1500
1112	=over 4	1501	=over 4
1113		1502
…		…
1168	my ($self, $merge) = @_;	1557	my ($self, $merge) = @_;
1169		1558
1170	# we have to keep some variables in memory intact	1559	# we have to keep some variables in memory intact
1171	local $self->{path};	1560	local $self->{path};
1172	local $self->{load_path};	1561	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1562
1176	$self->SUPER::thawer_merge ($merge);	1563	$self->SUPER::thawer_merge ($merge);
1177	}	1564	}
1178		1565
1179	sub normalise {	1566	sub normalise {
…		…
1251		1638
1252	# the original (read-only) location	1639	# the original (read-only) location
1253	sub load_path {	1640	sub load_path {
1254	my ($self) = @_;	1641	my ($self) = @_;
1255		1642
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1643	"$MAPDIR/$self->{path}.map"
1257	}	1644	}
1258		1645
1259	# the temporary/swap location	1646	# the temporary/swap location
1260	sub save_path {	1647	sub save_path {
1261	my ($self) = @_;	1648	my ($self) = @_;
1262		1649
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1651	"$TMPDIR/$path.map"
1265	}	1652	}
1266		1653
1267	# the unique path, undef == no special unique path	1654	# the unique path, undef == no special unique path
1268	sub uniq_path {	1655	sub uniq_path {
1269	my ($self) = @_;	1656	my ($self) = @_;
1270		1657
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1659	"$UNIQUEDIR/$path"
1273	}	1660	}
1274		1661
1275	# and all this just because we cannot iterate over	1662	# and all this just because we cannot iterate over
1276	# all maps in C++...	1663	# all maps in C++...
1277	sub change_all_map_light {	1664	sub change_all_map_light {
…		…
1279		1666
1280	$_->change_map_light ($change)	1667	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1668	for grep $_->outdoor, values %cf::MAP;
1282	}	1669	}
1283		1670
		1671	sub decay_objects {
		1672	my ($self) = @_;
		1673
		1674	return if $self->{deny_reset};
		1675
		1676	$self->do_decay_objects;
		1677	}
		1678
1284	sub unlink_save {	1679	sub unlink_save {
1285	my ($self) = @_;	1680	my ($self) = @_;
1286		1681
1287	utf8::encode (my $save = $self->save_path);	1682	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1683	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1686
1292	sub load_header_from($) {	1687	sub load_header_from($) {
1293	my ($self, $path) = @_;	1688	my ($self, $path) = @_;
1294		1689
1295	utf8::encode $path;	1690	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1691	#aio_open $path, O_RDONLY, 0
1297	or return;	1692	# or return;
1298		1693
1299	$self->_load_header ($path)	1694	$self->_load_header ($path)
1300	or return;	1695	or return;
1301		1696
1302	$self->{load_path} = $path;	1697	$self->{load_path} = $path;
…		…
1344	$self->load_header_orig	1739	$self->load_header_orig
1345	or return;	1740	or return;
1346	$self->prepare_orig;	1741	$self->prepare_orig;
1347	}	1742	}
1348		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
1349	1	1750	1
1350	}	1751	}
1351		1752
1352	sub find;	1753	sub find;
1353	sub find {	1754	sub find {
…		…
1365	$map->{last_save} = $cf::RUNTIME;	1766	$map->{last_save} = $cf::RUNTIME;
1366		1767
1367	$map->load_header	1768	$map->load_header
1368	or return;	1769	or return;
1369		1770
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1772	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1773	#$cf::WAIT_FOR_TICK->wait;
1373	$map->reset;	1774	$map->reset;
1374	undef $guard;	1775	undef $guard;
1375	return find $path;	1776	return find $path;
…		…
1386	my ($self) = @_;	1787	my ($self) = @_;
1387		1788
1388	local $self->{deny_reset} = 1; # loading can take a long time	1789	local $self->{deny_reset} = 1; # loading can take a long time
1389		1790
1390	my $path = $self->{path};	1791	my $path = $self->{path};
		1792
		1793	{
1391	my $guard = cf::lock_acquire "map_load:$path";	1794	my $guard = cf::lock_acquire "map_load:$path";
1392		1795
1393	return if $self->in_memory != cf::MAP_SWAPPED;	1796	return if $self->in_memory != cf::MAP_SWAPPED;
1394		1797
1395	$self->in_memory (cf::MAP_LOADING);	1798	$self->in_memory (cf::MAP_LOADING);
1396		1799
1397	$self->alloc;	1800	$self->alloc;
1398		1801
1399	$self->pre_load;	1802	$self->pre_load;
1400
1401	$self->_load_objects ($self->{load_path}, 1)
1402	or return;
1403
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1405	if delete $self->{load_original};
1406
1407	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {
1410	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);
1412	}
1413	}
1414
1415	Coro::cede;
1416
1417	# now do the right thing for maps
1418	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;	1803	Coro::cede;
1425	$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;
1426	$self->difficulty ($self->estimate_difficulty)	1822	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	1823	unless $self->difficulty;
1428	Coro::cede;	1824	Coro::cede;
		1825
		1826	unless ($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;
1429	$self->activate;	1833	$self->activate;
		1834	}
		1835
		1836	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	1837	}
1431		1838
1432	$self->post_load;	1839	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	1840	}
1436		1841
1437	sub customise_for {	1842	sub customise_for {
1438	my ($self, $ob) = @_;	1843	my ($self, $ob) = @_;
1439		1844
1440	return find "~" . $ob->name . "/" . $self->{path}	1845	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	1846	if $self->per_player;
		1847
		1848	# return find "?party/" . $ob->name . "/" . $self->{path}
		1849	# if $self->per_party;
1442		1850
1443	$self	1851	$self
1444	}	1852	}
1445		1853
1446	# find and load all maps in the 3x3 area around a map	1854	# find and load all maps in the 3x3 area around a map
…		…
1557		1965
1558	sub reset_at {	1966	sub reset_at {
1559	my ($self) = @_;	1967	my ($self) = @_;
1560		1968
1561	# TODO: safety, remove and allow resettable per-player maps	1969	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	1970	return 1e99 if $self->{deny_reset};
1564		1971
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1972	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1973	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		1974
…		…
1578	my ($self) = @_;	1985	my ($self) = @_;
1579		1986
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	1987	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		1988
1582	return if $self->players;	1989	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		1990
1585	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	}
1586		2002
1587	delete $cf::MAP{$self->path};	2003	delete $cf::MAP{$self->path};
1588		2004
1589	$self->in_memory (cf::MAP_SWAPPED);
1590	$self->clear;	2005	$self->clear;
1591		2006
1592	$_->clear_links_to ($self) for values %cf::MAP;	2007	$_->clear_links_to ($self) for values %cf::MAP;
1593		2008
1594	$self->unlink_save;	2009	$self->unlink_save;
…		…
1613	$cf::MAP{$self->path} = $self;	2028	$cf::MAP{$self->path} = $self;
1614		2029
1615	$self->reset; # polite request, might not happen	2030	$self->reset; # polite request, might not happen
1616	}	2031	}
1617		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
1618	=item cf::map::unique_maps	2069	=item cf::map::unique_maps
1619		2070
1620	Returns an arrayref of paths of all shared maps that have	2071	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2072	instantiated unique items. May block.
1622		2073
1623	=cut	2074	=cut
1624		2075
1625	sub unique_maps() {	2076	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2077	[
1627	or return;	2078	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2079	utf8::decode $_;
1633	next if /\.pst$/;	2080	/\.map$/
1634	next unless /^$PATH_SEP/o;	2081	? normalise $_
1635		2082	: ()
1636	push @paths, cf::map::normalise $_;	2083	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2084	]
1638
1639	\@paths
1640	}	2085	}
1641		2086
1642	package cf;	2087	package cf;
1643		2088
1644	=back	2089	=back
…		…
1690		2135
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2136	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2137
1693	if ($self->{record_replies}) {	2138	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2139	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2140
1695	} 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 {
1696	$msg = $npc->name . " says: $msg" if $npc;	2154	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2155	$self->message ($msg, $flags);
		2156	}
1698	}	2157	}
1699	}	2158	}
1700		2159
1701	=item $player_object->may ("access")	2160	=item $player_object->may ("access")
1702		2161
…		…
1750	$self->deactivate_recursive;	2209	$self->deactivate_recursive;
1751		2210
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2211	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2212
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2214	if $self->map && $self->map->{path} ne "{link}";
1756		2215
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2217	}
1759		2218
1760	sub cf::object::player::leave_link {	2219	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2220	my ($self, $map, $x, $y) = @_;
		2221
		2222	return unless $self->contr->active;
1762		2223
1763	my $link_pos = delete $self->{_link_pos};	2224	my $link_pos = delete $self->{_link_pos};
1764		2225
1765	unless ($map) {	2226	unless ($map) {
1766	# restore original map position	2227	# restore original map position
…		…
1784	$map->load;	2245	$map->load;
1785	$map->load_diag;	2246	$map->load_diag;
1786		2247
1787	return unless $self->contr->active;	2248	return unless $self->contr->active;
1788	$self->activate_recursive;	2249	$self->activate_recursive;
		2250
		2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2252	$self->enter_map ($map, $x, $y);
1790	}	2253	}
1791		2254
1792	cf::player->attach (
1793	on_logout => sub {
1794	my ($pl) = @_;
1795
1796	# abort map switching before logout
1797	if ($pl->ob->{_link_pos}) {
1798	cf::sync_job {
1799	$pl->ob->leave_link
1800	};
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805
1806	# try to abort aborted map switching on player login :)
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823
1824	=item $player_object->goto ($path, $x, $y)	2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1825		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
1826	=cut	2262	=cut
		2263
		2264	our $GOTOGEN;
1827		2265
1828	sub cf::object::player::goto {	2266	sub cf::object::player::goto {
1829	my ($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;
1830		2271
1831	$self->enter_link;	2272	$self->enter_link;
1832		2273
1833	(async {	2274	(async {
1834	my $map = eval {	2275	my $map = eval {
1835	my $map = cf::map::find $path;	2276	my $map = cf::map::find $path;
		2277
		2278	if ($map) {
1836	$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
1837	$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 $@;
1838	} or	2291	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2292
		2293	if ($gen == $self->{_goto_generation}) {
		2294	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2295	$self->leave_link ($map, $x, $y);
		2296	}
1842	})->prio (1);	2297	})->prio (1);
1843	}	2298	}
1844		2299
1845	=item $player_object->enter_exit ($exit_object)	2300	=item $player_object->enter_exit ($exit_object)
1846		2301
…		…
1885		2340
1886	$rmp->{random_seed} ||= $exit->random_seed;	2341	$rmp->{random_seed} ||= $exit->random_seed;
1887		2342
1888	my $data = cf::to_json $rmp;	2343	my $data = cf::to_json $rmp;
1889	my $md5 = Digest::MD5::md5_hex $data;	2344	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2345	my $meta = "$RANDOMDIR/$md5.meta";
1891		2346
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2348	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2349	undef $fh;
1895	aio_rename "$meta~", $meta;	2350	aio_rename "$meta~", $meta;
…		…
1904		2359
1905	return unless $self->type == cf::PLAYER;	2360	return unless $self->type == cf::PLAYER;
1906		2361
1907	if ($exit->slaying eq "/!") {	2362	if ($exit->slaying eq "/!") {
1908	#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
1909	cf::sync_job { prepare_random_map $exit };	2366	cf::sync_job { prepare_random_map $exit };
1910	}	2367	}
1911		2368
1912	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;
1913	my $hp = $exit->stats->hp;	2370	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;	2371	my $sp = $exit->stats->sp;
1915		2372
1916	$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);
1917		2378
1918	(async {	2379	(async {
1919	$self->deactivate_recursive; # just to be sure	2380	$self->deactivate_recursive; # just to be sure
1920	unless (eval {	2381	unless (eval {
1921	$self->goto ($slaying, $hp, $sp);	2382	$self->goto ($slaying, $hp, $sp);
1922		2383
1923	1;	2384	1;
1924	}) {	2385	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2386	$self->message ("Something went wrong deep within the crossfire server. "
1926	. "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. "
1927	. "Please report this to the dungeon master!",	2388	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2389	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2390
1930	warn "ERROR in enter_exit: $@";	2391	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2392	$self->leave_link;
1932	}	2393	}
1933	})->prio (1);	2394	})->prio (1);
…		…
1946		2407
1947	sub cf::client::send_drawinfo {	2408	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2409	my ($self, $text, $flags) = @_;
1949		2410
1950	utf8::encode $text;	2411	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2413	}
1953		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	}
1954		2467
1955	=item $success = $client->query ($flags, "text", \&cb)	2468	=item $success = $client->query ($flags, "text", \&cb)
1956		2469
1957	Queues a query to the client, calling the given callback with	2470	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2471	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2472	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		2473
1961	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
1962	reliable at some point in the future.	2475	become reliable at some point in the future.
1963		2476
1964	=cut	2477	=cut
1965		2478
1966	sub cf::client::query {	2479	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2480	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2488	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2489	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2490
1978	$self->send_packet ($self->{query_queue}[0][0])	2491	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2492	if @{ $self->{query_queue} } == 1;
		2493
		2494	1
1980	}	2495	}
1981		2496
1982	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	},
1983	on_reply => sub {	2503	on_reply => sub {
1984	my ($ns, $msg) = @_;	2504	my ($ns, $msg) = @_;
1985		2505
1986	# this weird shuffling is so that direct followup queries	2506	# this weird shuffling is so that direct followup queries
1987	# get handled first	2507	# get handled first
1988	my $queue = delete $ns->{query_queue}	2508	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2509	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2510
1991	(shift @$queue)->[1]->($msg);	2511	(shift @$queue)->[1]->($msg);
		2512	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2513
1993	push @{ $ns->{query_queue} }, @$queue;	2514	push @{ $ns->{query_queue} }, @$queue;
1994		2515
1995	if (@{ $ns->{query_queue} } == @$queue) {	2516	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2517	if (@$queue) {
…		…
1998	} else {	2519	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2520	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2521	}
2001	}	2522	}
2002	},	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	},
2003	);	2542	);
2004		2543
2005	=item $client->async (\&cb)	2544	=item $client->async (\&cb)
2006		2545
2007	Create a new coroutine, running the specified callback. The coroutine will	2546	Create a new coroutine, running the specified callback. The coroutine will
…		…
2054		2593
2055	# here we export the classes and methods available to script code	2594	# here we export the classes and methods available to script code
2056		2595
2057	=pod	2596	=pod
2058		2597
2059	The following fucntions and emthods are available within a safe environment:	2598	The following functions and methods are available within a safe environment:
2060		2599
2061	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
2062	cf::object::player player	2604	cf::object::player
2063	cf::player peaceful	2605	player
2064	cf::map trigger	2606
		2607	cf::player
		2608	peaceful
		2609
		2610	cf::map
		2611	trigger
2065		2612
2066	=cut	2613	=cut
2067		2614
2068	for (	2615	for (
2069	["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)],
2070	["cf::object::player" => qw(player)],	2618	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	2619	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	2620	["cf::map" => qw(trigger)],
2073	) {	2621	) {
2074	no strict 'refs';	2622	no strict 'refs';
…		…
2145	=back	2693	=back
2146		2694
2147	=cut	2695	=cut
2148		2696
2149	#############################################################################	2697	#############################################################################
		2698	# the server's init and main functions
2150		2699
2151	=head2 EXTENSION DATABASE SUPPORT	2700	sub load_facedata($) {
		2701	my ($path) = @_;
2152		2702
2153	Crossfire maintains a very simple database for extension use. It can	2703	warn "loading facedata from $path\n";
2154	currently store anything that can be serialised using Storable, which
2155	excludes objects.
2156		2704
2157	The parameter C<$family> should best start with the name of the extension	2705	my $facedata;
2158	using it, it should be unique.	2706	0 < aio_load $path, $facedata
		2707	or die "$path: $!";
2159		2708
2160	=over 4	2709	$facedata = Coro::Storable::thaw $facedata;
2161		2710
2162	=item $hashref = cf::db_get $family	2711	$facedata->{version} == 2
		2712	or cf::cleanup "$path: version mismatch, cannot proceed.";
2163		2713
2164	Return a hashref for use by the extension C<$family>, which can be
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167
2168	=item $value = cf::db_get $family => $key
2169
2170	Returns a single value from the database
2171
2172	=item cf::db_put $family => $hashref
2173
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	2714	{
		2715	my $faces = $facedata->{faceinfo};
2200		2716
2201	my $pid;	2717	while (my ($face, $info) = each %$faces) {
2202		2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2203	sub db_save() {	2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2204	waitpid $pid, 0 if $pid;	2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2205	if (0 == ($pid = fork)) {	2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2206	$DB->{_meta}{version} = 1;	2722	Coro::cede;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}
2212
2213	my $dirty;
2214
2215	sub db_sync() {
2216	db_save if $dirty;
2217	undef $dirty;
2218	}
2219
2220	my $idle = Event->idle (
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	2723	}
2254	);
2255	}
2256		2724
2257	#############################################################################	2725	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	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"
		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;
		2791	}
2259		2792
2260	sub cfg_load {	2793	sub cfg_load {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	2794	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	2795	or return;
2263		2796
2264	local $/;	2797	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	2798	*CFG = YAML::Syck::Load <$fh>;
2266		2799
…		…
2286	Event::one_event;	2819	Event::one_event;
2287	})->prio (Coro::PRIO_MAX);	2820	})->prio (Coro::PRIO_MAX);
2288	};	2821	};
2289		2822
2290	cfg_load;	2823	cfg_load;
2291	db_load;	2824	db_init;
2292	load_extensions;	2825	load_extensions;
2293		2826
2294	$TICK_WATCHER->start;	2827	$TICK_WATCHER->start;
2295	Event::loop;	2828	Event::loop;
2296	}	2829	}
…		…
2311	},	2844	},
2312	);	2845	);
2313	}	2846	}
2314	}	2847	}
2315		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
2316	sub emergency_save() {	2887	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	2888	my $freeze_guard = cf::freeze_mainloop;
2318		2889
2319	warn "enter emergency perl save\n";	2890	warn "enter emergency perl save\n";
2320		2891
…		…
2335	my $map = $cf::MAP{$path} or next;	2906	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	2907	$map->valid or next;
2337	$map->save;	2908	$map->save;
2338	}	2909	}
2339	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 $DB_ENV;
		2914	warn "end emergency database checkpoint\n";
2340	};	2915	};
2341		2916
2342	warn "leave emergency perl save\n";	2917	warn "leave emergency perl save\n";
2343	}	2918	}
2344		2919
		2920	sub post_cleanup {
		2921	my ($make_core) = @_;
		2922
		2923	warn Carp::longmess "post_cleanup backtrace"
		2924	if $make_core;
		2925	}
		2926
2345	sub reload() {	2927	sub do_reload_perl() {
2346	# can/must only be called in main	2928	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	2929	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	2930	warn "can only reload from main coroutine";
2349	return;	2931	return;
2350	}	2932	}
2351		2933
2352	warn "reloading...";	2934	warn "reloading...";
2353		2935
2354	warn "cancelling server ticker";	2936	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		2937
		2938	cf::sync_job {
		2939	cf::write_runtime; # external watchdog should not bark
2357	cf::emergency_save;	2940	cf::emergency_save;
		2941	cf::write_runtime; # external watchdog should not bark
2358		2942
2359	eval {	2943	warn "syncing database to disk";
		2944	BDB::db_env_txn_checkpoint $DB_ENV;
		2945
2360	# 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
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364		2947
2365	warn "cancelling all WF_AUTOCANCEL watchers";	2948	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {	2949	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;	2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}	2951	}
2369		2952
2370	warn "flushing outstanding aio requests";	2953	warn "flushing outstanding aio requests";
2371	for (;;) {	2954	for (;;) {
		2955	BDB::flush;
2372	IO::AIO::flush;	2956	IO::AIO::flush;
2373	Coro::cede;	2957	Coro::cede;
2374	last unless IO::AIO::nreqs;	2958	last unless IO::AIO::nreqs || BDB::nreqs;
2375	warn "iterate...";	2959	warn "iterate...";
2376	}	2960	}
		2961
		2962	++$RELOAD;
2377		2963
2378	warn "cancelling all extension coros";	2964	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	2965	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	2966	%EXT_CORO = ();
2381		2967
2382	warn "removing commands";	2968	warn "removing commands";
2383	%COMMAND = ();	2969	%COMMAND = ();
2384		2970
2385	warn "removing ext commands";	2971	warn "removing ext/exti commands";
2386	%EXTCMD = ();	2972	%EXTCMD = ();
		2973	%EXTICMD = ();
2387		2974
2388	warn "unloading/nuking all extensions";	2975	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {	2976	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";	2977	warn "... unloading $pkg";
2391		2978
…		…
2421	Symbol::delete_package "safe::$_"	3008	Symbol::delete_package "safe::$_"
2422	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);
2423		3010
2424	warn "unloading cf.pm \"a bit\"";	3011	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3012	delete $INC{"cf.pm"};
		3013	delete $INC{"cf/pod.pm"};
2426		3014
2427	# don't, removes xs symbols, too,	3015	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3016	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3017	#Symbol::delete_package __PACKAGE__;
2430		3018
…		…
2434	require cf;	3022	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3024
2437	warn "loading config and database again";	3025	warn "loading config and database again";
2438	cf::cfg_load;	3026	cf::cfg_load;
2439	cf::db_load;
2440		3027
2441	warn "loading extensions";	3028	warn "loading extensions";
2442	cf::load_extensions;	3029	cf::load_extensions;
2443		3030
2444	warn "reattaching attachments to objects/players";	3031	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3032	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3033	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3034	reattach $_ for values %MAP;
		3035	warn "reattaching attachments to players";
		3036	reattach $_ for values %PLAYER;
2448		3037
2449	warn "restarting server ticker";	3038	warn "leaving sync_job";
2450		3039
2451	$TICK_WATCHER->start;	3040	1
2452	};	3041	} or do {
2453
2454	if ($@) {
2455	warn $@;	3042	warn $@;
2456	warn "error while reloading, exiting.";	3043	warn "error while reloading, exiting.";
2457	exit 1;	3044	exit 1;
2458	}	3045	};
2459		3046
2460	warn "reloaded";	3047	warn "reloaded";
2461	};	3048	};
2462		3049
2463	our $RELOAD_WATCHER; # used only during reload	3050	our $RELOAD_WATCHER; # used only during reload
2464		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 $RELOAD_WATCHER;
		3063	},
		3064	);
		3065	}
		3066
2465	register_command "reload" => sub {	3067	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3068	my ($who, $arg) = @_;
2467		3069
2468	if ($who->flag (FLAG_WIZ)) {	3070	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3071	$who->message ("reloading server.");
2470		3072	async { reload_perl };
2471	# doing reload synchronously and two reloads happen back-to-back,
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);
2483	}	3073	}
2484	};	3074	};
2485		3075
2486	unshift @INC, $LIBDIR;	3076	unshift @INC, $LIBDIR;
2487		3077
2488	my $bug_warning = 0;	3078	my $bug_warning = 0;
2489		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;
2490	$TICK_WATCHER = Event->timer (	3103	$TICK_WATCHER = Event->timer (
2491	reentrant => 0,	3104	reentrant => 0,
2492	parked => 1,	3105	parked => 1,
2493	prio => 0,	3106	prio => 0,
2494	at => $NEXT_TICK || $TICK,	3107	at => $NEXT_TICK || $TICK,
…		…
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3112	unless ++$bug_warning > 10;
2500	return;	3113	return;
2501	}	3114	}
2502		3115
2503	$NOW = Event::time;	3116	$NOW = $tick_start = Event::time;
2504		3117
2505	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
2506	$RUNTIME += $TICK;	3143	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;	3144	$NEXT_TICK += $TICK;
2508		3145
2509	$WAIT_FOR_TICK->broadcast;	3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
2511		3148	Coro::async_pool {
2512	Event::sweep;	3149	write_runtime
2513	Coro::cede_notself;	3150	or warn "ERROR: unable to write runtime file: $!";
		3151	};
2514		3152	}
		3153
2515	# my $AFTER = Event::time;	3154	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#	3155	# warn $AFTER - $NOW;#d#
2517		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
2518	# 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
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2520		3168
2521	$TICK_WATCHER->at ($NEXT_TICK);	3169	$TICK_WATCHER->at ($NEXT_TICK);
2522	$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
2523	},	3178	},
2524	);	3179	);
2525		3180
		3181	{
		3182	BDB::max_poll_time $TICK * 0.1;
		3183	$BDB_POLL_WATCHER = Event->io (
		3184	reentrant => 0,
		3185	fd => BDB::poll_fileno,
		3186	poll => 'r',
		3187	prio => 0,
		3188	data => WF_AUTOCANCEL,
		3189	cb => \&BDB::poll_cb,
		3190	);
		3191	BDB::min_parallel 8;
		3192
		3193	BDB::set_sync_prepare {
		3194	my $status;
		3195	my $current = $Coro::current;
		3196	(
		3197	sub {
		3198	$status = $!;
		3199	$current->ready; undef $current;
		3200	},
		3201	sub {
		3202	Coro::schedule while defined $current;
		3203	$! = $status;
		3204	},
		3205	)
		3206	};
		3207
		3208	unless ($DB_ENV) {
		3209	$DB_ENV = BDB::db_env_create;
		3210
		3211	cf::sync_job {
		3212	eval {
		3213	BDB::db_env_open
		3214	$DB_ENV,
		3215	$BDBDIR,
		3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3218	0666;
		3219
		3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3221
		3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3223	$DB_ENV->set_lk_detect;
		3224	};
		3225
		3226	cf::cleanup "db_env_open(db): $@" if $@;
		3227	};
		3228	}
		3229	}
		3230
		3231	{
		3232	IO::AIO::min_parallel 8;
		3233
		3234	undef $Coro::AIO::WATCHER;
2526	IO::AIO::max_poll_time $TICK * 0.1;	3235	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (	3236	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,	3237	reentrant => 0,
		3238	data => WF_AUTOCANCEL,
2531	fd => IO::AIO::poll_fileno,	3239	fd => IO::AIO::poll_fileno,
2532	poll => 'r',	3240	poll => 'r',
2533	prio => 6,	3241	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,	3242	cb => \&IO::AIO::poll_cb,
2536	);	3243	);
		3244	}
2537		3245
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	3246	my $_log_backtrace;
2539	reentrant => 0,	3247
2540	data => WF_AUTOCANCEL,	3248	sub _log_backtrace {
2541	after => 1,	3249	my ($msg, @addr) = @_;
2542	interval => 10,	3250
2543	prio => 6, # keep it lowest so it acts like a watchdog	3251	$msg =~ s/\n//;
2544	cb => Coro::unblock_sub {	3252
2545	write_runtime	3253	# limit the # of concurrent backtraces
2546	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";
2547	},	3281	}
2548	);	3282	}
		3283
		3284	# load additional modules
		3285	use cf::pod;
2549		3286
2550	END { cf::emergency_save }	3287	END { cf::emergency_save }
2551		3288
2552	1	3289	1
2553		3290

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