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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.172 by root, Sun Jan 14 13:32:48 2007 UTC vs.
Revision 1.312 by root, Sat Jul 21 18:01:26 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 3.3 ();	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;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$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		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	79	our $NEXT_TICK;
52	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
58		90
59	our %PLAYER; # all users	91	our %PLAYER; # all users
60	our %MAP; # all maps	92	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	93	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		94
67	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
70	binmode STDOUT;	102	binmode STDOUT;
71	binmode STDERR;	103	binmode STDERR;
72		104
73	# read virtual server time, if available	105	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
78	}	110	}
79		111
80	mkdir cf::localdir;	112	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		114
86	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
87		118
88	#############################################################################	119	#############################################################################
89		120
90	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
91		122
…		…
98	=item $cf::RUNTIME	129	=item $cf::RUNTIME
99		130
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	132	every server tick.
102		133
103	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		137
105	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
107		142
108	=item $cf::NOW	143	=item $cf::NOW
109		144
110	The time of the last (current) server tick.	145	The time of the last (current) server tick.
111		146
112	=item $cf::TICK	147	=item $cf::TICK
113		148
114	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
115		160
116	=item %cf::CFG	161	=item %cf::CFG
117		162
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	164	from wherever your confdir points to.
120		165
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		167
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
127		177
128	=back	178	=back
129		179
130	=cut	180	=cut
131		181
132	BEGIN {	182	BEGIN {
133	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	184	my $msg = join "", @_;
135	utf8::encode $msg;
136		185
137	$msg .= "\n"	186	$msg .= "\n"
138	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
139		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
140	LOG llevError, $msg;	192	LOG llevError, $msg;
141	};	193	};
142	}	194	}
143		195
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		203
151	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	205	# within the Safe compartment.
153	for my $pkg (qw(	206	for my $pkg (qw(
154	cf::global cf::attachable	207	cf::global cf::attachable
…		…
162	}	215	}
163		216
164	$Event::DIED = sub {	217	$Event::DIED = sub {
165	warn "error in event callback: @_";	218	warn "error in event callback: @_";
166	};	219	};
		220
		221	#############################################################################
167		222
168	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
169		224
170	=over 4	225	=over 4
171		226
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	246	$d
192	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
193	}	248	}
194		249
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
198		251
199	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
200		253
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
209		255
210	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
211		257
212	=cut	258	=cut
213		259
214	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
216	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
218		264
219	=item cf::lock_wait $string	265	=item cf::lock_wait $string
220		266
221	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
222		268
…		…
228	returned.	274	returned.
229		275
230	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
232		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
233	=cut	283	=cut
234		284
235	our %LOCK;	285	our %LOCK;
236		286
237	sub lock_wait($) {	287	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
258	}	308	}
259	}	309	}
260		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
261	sub freeze_mainloop {	317	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
263		319
264	my $guard = Coro::guard {	320	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	322	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
270	$guard	324	$guard
271	}	325	}
272		326
273	=item cf::async { BLOCK }	327	=item cf::async { BLOCK }
…		…
280		334
281	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
282		336
283	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
284		338
285	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
288		343
289	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
292	fast or be very important.	347	fast or be very important.
…		…
295		350
296	sub sync_job(&) {	351	sub sync_job(&) {
297	my ($job) = @_;	352	my ($job) = @_;
298		353
299	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
300	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
302		359
303	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
315		372
316	while ($busy) {	373	while ($busy) {
317	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
318	}	375	}
319		376
		377	$time = Event::time - $time;
		378
		379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		381
		382	$tick_start += $time; # do not account sync jobs to server load
		383
320	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
321	} else {	385	} else {
322	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
323		387
324	$job->()	388	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
344		408
345	$coro	409	$coro
346	}	410	}
347		411
348	sub write_runtime {	412	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		413
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	414	Executes the given code block with the given arguments in a seperate
352	or return;	415	process, returning the results. Everything must be serialisable with
		416	Coro::Storable. May, of course, block. Note that the executed sub may
		417	never block itself or use any form of Event handling.
353		418
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	419	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		420
358	aio_fsync $fh	421	sub _store_scalar {
359	and return;	422	open my $fh, ">", \my $buf
360		423	or die "fork_call: cannot open fh-to-buf in child : $!";
		424	Storable::store_fd $_[0], $fh;
361	close $fh	425	close $fh;
362	or return;
363		426
364	aio_rename "$runtime~", $runtime	427	$buf
365	and return;	428	}
366		429
		430	sub fork_call(&@) {
		431	my ($cb, @args) = @_;
		432
		433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		434	# or die "socketpair: $!";
		435	pipe my $fh1, my $fh2
		436	or die "pipe: $!";
		437
		438	if (my $pid = fork) {
		439	close $fh2;
		440
		441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		442	warn "pst<$res>" unless $res =~ /^pst/;
		443	$res = Coro::Storable::thaw $res;
		444
		445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		446
		447	Carp::confess $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
367	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		505	my $key = "$_[0]/$_[1]";
		506
		507	cf::sync_job {
		508	BDB::db_get $DB, undef, $key, my $data;
		509
		510	$! ? ()
		511	: $data
		512	}
		513	}
		514
		515	sub db_put($$$) {
		516	BDB::dbreq_pri 4;
		517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		518	}
		519
		520	=item cf::cache $id => [$paths...], $processversion => $process
		521
		522	Generic caching function that returns the value of the resource $id,
		523	caching and regenerating as required.
		524
		525	This function can block.
		526
		527	=cut
		528
		529	sub cache {
		530	my ($id, $src, $processversion, $process) = @_;
		531
		532	my $meta =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	aio_stat $_
		537	and Carp::croak "$_: $!";
		538
		539	($_, (stat _)[7,9])
		540	} @$src;
		541
		542	my $dbmeta = db_get cache => "$id/meta";
		543	if ($dbmeta ne $meta) {
		544	# changed, we may need to process
		545
		546	my @data;
		547	my $md5;
		548
		549	for (0 .. $#$src) {
		550	0 <= aio_load $src->[$_], $data[$_]
		551	or Carp::croak "$src->[$_]: $!";
		552	}
		553
		554	# if processing is expensive, check
		555	# checksum first
		556	if (1) {
		557	$md5 =
		558	join "\x00",
		559	$processversion,
		560	map {
		561	Coro::cede;
		562	($src->[$_], Digest::MD5::md5_hex $data[$_])
		563	} 0.. $#$src;
		564
		565
		566	my $dbmd5 = db_get cache => "$id/md5";
		567	if ($dbmd5 eq $md5) {
		568	db_put cache => "$id/meta", $meta;
		569
		570	return db_get cache => "$id/data";
		571	}
		572	}
		573
		574	my $t1 = Time::HiRes::time;
		575	my $data = $process->(\@data);
		576	my $t2 = Time::HiRes::time;
		577
		578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		579
		580	db_put cache => "$id/data", $data;
		581	db_put cache => "$id/md5" , $md5;
		582	db_put cache => "$id/meta", $meta;
		583
		584	return $data;
		585	}
		586
		587	db_get cache => "$id/data"
		588	}
		589
		590	=item cf::datalog type => key => value, ...
		591
		592	Log a datalog packet of the given type with the given key-value pairs.
		593
		594	=cut
		595
		596	sub datalog($@) {
		597	my ($type, %kv) = @_;
		598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	599	}
369		600
370	=back	601	=back
371		602
372	=cut	603	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	610	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
381		612
382	In the following description, CLASS can be any of C<global>, C<object>	613	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	614	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	615	Crossfire TRT).
385		616
386	=over 4	617	=over 4
387		618
388	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
389		620
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
553		784
554	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		789
559	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	791	my $pkg = shift @arg;
561		792
562	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
592	}	823	}
593		824
594	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
595	} else {	826	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	828	}
598		829
599	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
600	}	831	}
601		832
…		…
603	if (ref $_[0]) {	834	if (ref $_[0]) {
604	_object_attach @_;	835	_object_attach @_;
605	} else {	836	} else {
606	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
607	}	838	}
		839	_recalc_want;
608	};	840	};
609		841
610	# all those should be optimised	842	# all those should be optimised
611	sub cf::attachable::detach {	843	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
616	reattach ($obj);	848	reattach ($obj);
617	} else {	849	} else {
618	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
619	}	851	}
		852	_recalc_want;
620	};	853	};
621		854
622	sub cf::attachable::attached {	855	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
624		857
…		…
639	";	872	";
640	die if $@;	873	die if $@;
641	}	874	}
642		875
643	our $override;	876	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	877	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		878
646	sub override {	879	sub override {
647	$override = 1;	880	$override = 1;
648	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
649	}	882	}
650		883
651	sub do_invoke {	884	sub do_invoke {
652	my $event = shift;	885	my $event = shift;
653	my $callbacks = shift;	886	my $callbacks = shift;
654		887
655	@invoke_results = ();	888	@INVOKE_RESULTS = ();
656		889
657	local $override;	890	local $override;
658		891
659	for (@$callbacks) {	892	for (@$callbacks) {
660	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
677		910
678	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
679		912
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	913	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	914	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		916
684	=back	917	=back
685		918
686	=cut	919	=cut
687		920
688	#############################################################################	921	#############################################################################
689	# object support	922	# object support
		923	#
		924
		925	sub _can_merge {
		926	my ($ob1, $ob2) = @_;
		927
		928	local $Storable::canonical = 1;
		929	my $fob1 = Storable::freeze $ob1;
		930	my $fob2 = Storable::freeze $ob2;
		931
		932	$fob1 eq $fob2
		933	}
690		934
691	sub reattach {	935	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	936	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	937	my ($obj) = @_;
694		938
…		…
747	$filename, length $$rdata, scalar @$objs;	991	$filename, length $$rdata, scalar @$objs;
748		992
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	993	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	994	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	995	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	996	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	997	close $fh;
754		998
755	if (@$objs) {	999	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1000	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1001	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1002	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1003	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1004	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1005	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1006	aio_rename "$filename.pst~", "$filename.pst";
763	}	1007	}
764	} else {	1008	} else {
765	aio_unlink "$filename.pst";	1009	aio_unlink "$filename.pst";
…		…
797	or return;	1041	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };	1042	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1043	}
800		1044
801	warn sprintf "loading %s (%d)\n",	1045	warn sprintf "loading %s (%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1046	$filename, length $data, scalar @{$av || []};
803	return ($data, $av);	1047	return ($data, $av);
804	}	1048	}
		1049
		1050	=head2 COMMAND CALLBACKS
		1051
		1052	=over 4
		1053
		1054	=cut
805		1055
806	#############################################################################	1056	#############################################################################
807	# command handling &c	1057	# command handling &c
808		1058
809	=item cf::register_command $name => \&callback($ob,$args);	1059	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1072	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1073	}
824		1074
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1075	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1076
827	Register a callbackf ro execution when the client sends an extcmd packet.	1077	Register a callback for execution when the client sends an (synchronous)
		1078	extcmd packet. Ext commands will be processed in the order they are
		1079	received by the server, like other user commands. The first argument is
		1080	the logged-in player. Ext commands can only be processed after a player
		1081	has logged in successfully.
828		1082
829	If the callback returns something, it is sent back as if reply was being	1083	If the callback returns something, it is sent back as if reply was being
830	called.	1084	called.
831		1085
		1086	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1087
		1088	Register a callback for execution when the client sends an (asynchronous)
		1089	exticmd packet. Exti commands are processed by the server as soon as they
		1090	are received, i.e. out of order w.r.t. other commands. The first argument
		1091	is a client socket. Exti commands can be received anytime, even before
		1092	log-in.
		1093
		1094	If the callback returns something, it is sent back as if reply was being
		1095	called.
		1096
832	=cut	1097	=cut
833		1098
834	sub register_extcmd {	1099	sub register_extcmd {
835	my ($name, $cb) = @_;	1100	my ($name, $cb) = @_;
836		1101
837	$EXTCMD{$name} = $cb;	1102	$EXTCMD{$name} = $cb;
		1103	}
		1104
		1105	sub register_exticmd {
		1106	my ($name, $cb) = @_;
		1107
		1108	$EXTICMD{$name} = $cb;
838	}	1109	}
839		1110
840	cf::player->attach (	1111	cf::player->attach (
841	on_command => sub {	1112	on_command => sub {
842	my ($pl, $name, $params) = @_;	1113	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1122	cf::override;
852	},	1123	},
853	on_extcmd => sub {	1124	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1125	my ($pl, $buf) = @_;
855		1126
856	my $msg = eval { from_json $buf };	1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1128
858	if (ref $msg) {	1129	if (ref $msg) {
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
860	if (my %reply = $cb->($pl, $msg)) {	1131	if (my %reply = $cb->($pl, $msg)) {
861	$pl->ext_reply ($msg->{msgid}, %reply);	1132	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
867		1138
868	cf::override;	1139	cf::override;
869	},	1140	},
870	);	1141	);
871		1142
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1143	sub load_extensions {
		1144	cf::sync_job {
		1145	my %todo;
		1146
907	for my $ext (<$LIBDIR/*.ext>) {	1147	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1148	next unless -r $path;
909	eval {	1149
910	load_extension $ext;	1150	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1151	my $base = $1;
		1152	my $pkg = $1;
		1153	$pkg =~ s/[^[:word:]]/_/g;
		1154	$pkg = "ext::$pkg";
		1155
		1156	open my $fh, "<:utf8", $path
		1157	or die "$path: $!";
		1158
		1159	my $source = do { local $/; <$fh> };
		1160
		1161	my %ext = (
		1162	path => $path,
		1163	base => $base,
		1164	pkg => $pkg,
		1165	);
		1166
		1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1169
		1170	$ext{source} =
		1171	"package $pkg; use strict; use utf8;\n"
		1172	. "#line 1 \"$path\"\n{\n"
		1173	. $source
		1174	. "\n};\n1";
		1175
		1176	$todo{$base} = \%ext;
		1177	}
		1178
		1179	my %done;
		1180	while (%todo) {
		1181	my $progress;
		1182
		1183	while (my ($k, $v) = each %todo) {
		1184	for (split /,\s*/, $v->{meta}{depends}) {
		1185	goto skip
		1186	unless exists $done{$_};
		1187	}
		1188
		1189	warn "... loading '$k' into '$v->{pkg}'\n";
		1190
		1191	unless (eval $v->{source}) {
		1192	my $msg = $@ ? "$v->{path}: $@\n"
		1193	: "$v->{base}: extension inactive.\n";
		1194
		1195	if (exists $v->{meta}{mandatory}) {
		1196	warn $msg;
		1197	warn "mandatory extension failed to load, exiting.\n";
		1198	exit 1;
		1199	}
		1200
		1201	warn $msg;
		1202	}
		1203
		1204	$done{$k} = delete $todo{$k};
		1205	push @EXTS, $v->{pkg};
		1206	$progress = 1;
911	1	1207	}
912	} or warn "$ext not loaded: $@";	1208
		1209	skip:
		1210	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1211	unless $progress;
		1212	}
913	}	1213	};
914	}	1214	}
915		1215
916	#############################################################################	1216	#############################################################################
917		1217
		1218	=back
		1219
918	=head2 CORE EXTENSIONS	1220	=head2 CORE EXTENSIONS
919		1221
920	Functions and methods that extend core crossfire objects.	1222	Functions and methods that extend core crossfire objects.
921		1223
922	=cut	1224	=cut
…		…
934	Returns the given player object, loading it if necessary (might block).	1236	Returns the given player object, loading it if necessary (might block).
935		1237
936	=cut	1238	=cut
937		1239
938	sub playerdir($) {	1240	sub playerdir($) {
939	cf::localdir	1241	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1242	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1243	}
945		1244
946	sub path($) {	1245	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1246	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1247
949	(playerdir $login) . "/$login.pl"	1248	(playerdir $login) . "/playerdata"
950	}	1249	}
951		1250
952	sub find_active($) {	1251	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1252	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1253	and $cf::PLAYER{$_[0]}->active
…		…
957		1256
958	sub exists($) {	1257	sub exists($) {
959	my ($login) = @_;	1258	my ($login) = @_;
960		1259
961	$cf::PLAYER{$login}	1260	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1261	or cf::sync_job { !aio_stat path $login }
963	}	1262	}
964		1263
965	sub find($) {	1264	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1265	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1266	my $login = $_[0];
968		1267
969	my $guard = cf::lock_acquire "user_find:$login";	1268	my $guard = cf::lock_acquire "user_find:$login";
970		1269
971	$cf::PLAYER{$_[0]} || do {	1270	$cf::PLAYER{$_[0]} || do {
		1271	# rename old playerfiles to new ones
		1272	#TODO: remove when no longer required
		1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1276	aio_unlink +(playerdir $login) . "/$login.pl";
		1277
972	my $pl = load_pl path $login	1278	my $pl = load_pl path $login
973	or return;	1279	or return;
974	$cf::PLAYER{$login} = $pl	1280	$cf::PLAYER{$login} = $pl
975	}	1281	}
976	}	1282	}
…		…
1013		1319
1014	=cut	1320	=cut
1015		1321
1016	sub quit_character {	1322	sub quit_character {
1017	my ($pl) = @_;	1323	my ($pl) = @_;
		1324
		1325	my $name = $pl->ob->name;
1018		1326
1019	$pl->{deny_save} = 1;	1327	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1328	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1329
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1330	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1335	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1336	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1337	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1338	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1339	$pl->destroy;
		1340
		1341	my $prefix = qr<^~\Q$name\E/>;
		1342
		1343	# nuke player maps
		1344	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1345
1032	IO::AIO::aio_rmtree $temp;	1346	IO::AIO::aio_rmtree $temp;
		1347	}
		1348
		1349	=item $pl->kick
		1350
		1351	Kicks a player out of the game. This destroys the connection.
		1352
		1353	=cut
		1354
		1355	sub kick {
		1356	my ($pl, $kicker) = @_;
		1357
		1358	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1359	$pl->killer ("kicked");
		1360	$pl->ns->destroy;
1033	}	1361	}
1034		1362
1035	=item cf::player::list_logins	1363	=item cf::player::list_logins
1036		1364
1037	Returns am arrayref of all valid playernames in the system, can take a	1365	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1366	while and may block, so not sync_job-capable, ever.
1039		1367
1040	=cut	1368	=cut
1041		1369
1042	sub list_logins {	1370	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1371	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1372	or return [];
1045		1373
1046	my @logins;	1374	my @logins;
1047		1375
1048	for my $login (@$dirs) {	1376	for my $login (@$dirs) {
…		…
1065	=cut	1393	=cut
1066		1394
1067	sub maps($) {	1395	sub maps($) {
1068	my ($pl) = @_;	1396	my ($pl) = @_;
1069		1397
		1398	$pl = ref $pl ? $pl->ob->name : $pl;
		1399
1070	my $files = aio_readdir playerdir $pl	1400	my $files = aio_readdir playerdir $pl
1071	or return;	1401	or return;
1072		1402
1073	my @paths;	1403	my @paths;
1074		1404
1075	for (@$files) {	1405	for (@$files) {
1076	utf8::decode $_;	1406	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1407	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1408	next unless /^$PATH_SEP/o;
1079		1409
1080	s/\.map$//;	1410	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1411	}
1083		1412
1084	\@paths	1413	\@paths
1085	}	1414	}
1086		1415
		1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1417
		1418	Expand crossfire pod fragments into protocol xml.
		1419
		1420	=cut
		1421
		1422	sub expand_cfpod {
		1423	((my $self), (local $_)) = @_;
		1424
		1425	# escape & and <
		1426	s/&/&amp;/g;
		1427	s/(?<![BIUGH])</&lt;/g;
		1428
		1429	# this is buggy, it needs to properly take care of nested <'s
		1430
		1431	1 while
		1432	# replace B<>, I<>, U<> etc.
		1433	s/B<([^\>]*)>/<b>$1<\/b>/
		1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1436	# replace G<male|female> tags
		1437	|| s{G<([^>|]*)\|([^>]*)>}{
		1438	$self->gender ? $2 : $1
		1439	}ge
		1440	# replace H<hint text>
		1441	|| s{H<([^\>]*)>}
		1442	{
		1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1445	"")
		1446	[$self->{hintmode}]
		1447	}ge;
		1448
		1449	# create single paragraphs (very hackish)
		1450	s/(?<=\S)\n(?=\w)/ /g;
		1451
		1452	# compress some whitespace
		1453	s/\s+\n/\n/g; # ws line-ends
		1454	s/\n\n+/\n/g; # double lines
		1455	s/^\n+//; # beginning lines
		1456	s/\n+$//; # ending lines
		1457
		1458	$_
		1459	}
		1460
		1461	sub hintmode {
		1462	$_[0]{hintmode} = $_[1] if @_ > 1;
		1463	$_[0]{hintmode}
		1464	}
		1465
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1466	=item $player->ext_reply ($msgid, %msg)
1088		1467
1089	Sends an ext reply to the player.	1468	Sends an ext reply to the player.
1090		1469
1091	=cut	1470	=cut
1092		1471
1093	sub ext_reply($$$%) {	1472	sub ext_reply($$%) {
1094	my ($self, $id, %msg) = @_;	1473	my ($self, $id, %msg) = @_;
1095		1474
1096	$msg{msgid} = $id;	1475	$msg{msgid} = $id;
1097		1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1477	}
1100		1478
1101	package cf;	1479	=item $player->ext_event ($type, %msg)
		1480
		1481	Sends an ext event to the client.
		1482
		1483	=cut
		1484
		1485	sub ext_event($$%) {
		1486	my ($self, $type, %msg) = @_;
		1487
		1488	$self->ns->ext_event ($type, %msg);
		1489	}
		1490
		1491	=head3 cf::region
		1492
		1493	=over 4
		1494
		1495	=cut
		1496
		1497	package cf::region;
		1498
		1499	=item cf::region::find_by_path $path
		1500
		1501	Tries to decuce the likely region for a map knowing only its path.
		1502
		1503	=cut
		1504
		1505	sub find_by_path($) {
		1506	my ($path) = @_;
		1507
		1508	my ($match, $specificity);
		1509
		1510	for my $region (list) {
		1511	if ($region->{match} && $path =~ $region->{match}) {
		1512	($match, $specificity) = ($region, $region->specificity)
		1513	if $region->specificity > $specificity;
		1514	}
		1515	}
		1516
		1517	$match
		1518	}
1102		1519
1103	=back	1520	=back
1104
1105		1521
1106	=head3 cf::map	1522	=head3 cf::map
1107		1523
1108	=over 4	1524	=over 4
1109		1525
…		…
1113		1529
1114	use Fcntl;	1530	use Fcntl;
1115	use Coro::AIO;	1531	use Coro::AIO;
1116		1532
1117	use overload	1533	use overload
1118	'""' => \&as_string;	1534	'""' => \&as_string,
		1535	fallback => 1;
1119		1536
1120	our $MAX_RESET = 3600;	1537	our $MAX_RESET = 3600;
1121	our $DEFAULT_RESET = 3000;	1538	our $DEFAULT_RESET = 3000;
1122		1539
1123	sub generate_random_map {	1540	sub generate_random_map {
1124	my ($self, $rmp) = @_;	1541	my ($self, $rmp) = @_;
1125
1126	# mit "rum" bekleckern, nicht	1542	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1543	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1544	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1545	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1546	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1553	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1554	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1555	)
1140	}	1556	}
1141		1557
		1558	=item cf::map->register ($regex, $prio)
		1559
		1560	Register a handler for the map path matching the given regex at the
		1561	givne priority (higher is better, built-in handlers have priority 0, the
		1562	default).
		1563
		1564	=cut
		1565
1142	sub register {	1566	sub register {
1143	my (undef, $regex) = @_;	1567	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1568	my $pkg = caller;
1145		1569
1146	no strict;	1570	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1571	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1572
1149	$EXT_MAP{$pkg} = qr<$regex>;	1573	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1574	}
1151		1575
1152	# also paths starting with '/'	1576	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1577	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1578
1155	sub thawer_merge {	1579	sub thawer_merge {
1156	my ($self, $merge) = @_;	1580	my ($self, $merge) = @_;
1157		1581
1158	# we have to keep some variables in memory intact	1582	# we have to keep some variables in memory intact
1159	local $self->{path};	1583	local $self->{path};
1160	local $self->{load_path};	1584	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1585
1164	$self->SUPER::thawer_merge ($merge);	1586	$self->SUPER::thawer_merge ($merge);
1165	}	1587	}
1166		1588
1167	sub normalise {	1589	sub normalise {
1168	my ($path, $base) = @_;	1590	my ($path, $base) = @_;
		1591
		1592	$path = "$path"; # make sure its a string
		1593
		1594	$path =~ s/\.map$//;
1169		1595
1170	# map plan:	1596	# map plan:
1171	#	1597	#
1172	# /! non-realised random map exit (special hack!)	1598	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1599	# {... are special paths that are not being touched
…		…
1201		1627
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1628	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1629
1204	$path = normalise $path, $base;	1630	$path = normalise $path, $base;
1205		1631
1206	for my $pkg (keys %EXT_MAP) {	1632	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1633	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1634	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1635	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1636	$self->init; # pass $1 etc.
1211	return $self;	1637	return $self;
1212	}	1638	}
1213	}	1639	}
1214		1640
1215	Carp::carp "unable to resolve path '$path'.";	1641	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1642	()
1217	}	1643	}
1218		1644
1219	sub init {	1645	sub init {
1220	my ($self) = @_;	1646	my ($self) = @_;
…		…
1235		1661
1236	# the original (read-only) location	1662	# the original (read-only) location
1237	sub load_path {	1663	sub load_path {
1238	my ($self) = @_;	1664	my ($self) = @_;
1239		1665
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1666	"$MAPDIR/$self->{path}.map"
1241	}	1667	}
1242		1668
1243	# the temporary/swap location	1669	# the temporary/swap location
1244	sub save_path {	1670	sub save_path {
1245	my ($self) = @_;	1671	my ($self) = @_;
1246		1672
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1674	"$TMPDIR/$path.map"
1249	}	1675	}
1250		1676
1251	# the unique path, undef == no special unique path	1677	# the unique path, undef == no special unique path
1252	sub uniq_path {	1678	sub uniq_path {
1253	my ($self) = @_;	1679	my ($self) = @_;
1254		1680
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1682	"$UNIQUEDIR/$path"
1257	}	1683	}
1258		1684
1259	# and all this just because we cannot iterate over	1685	# and all this just because we cannot iterate over
1260	# all maps in C++...	1686	# all maps in C++...
1261	sub change_all_map_light {	1687	sub change_all_map_light {
…		…
1263		1689
1264	$_->change_map_light ($change)	1690	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1691	for grep $_->outdoor, values %cf::MAP;
1266	}	1692	}
1267		1693
		1694	sub decay_objects {
		1695	my ($self) = @_;
		1696
		1697	return if $self->{deny_reset};
		1698
		1699	$self->do_decay_objects;
		1700	}
		1701
1268	sub unlink_save {	1702	sub unlink_save {
1269	my ($self) = @_;	1703	my ($self) = @_;
1270		1704
1271	utf8::encode (my $save = $self->save_path);	1705	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1706	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1709
1276	sub load_header_from($) {	1710	sub load_header_from($) {
1277	my ($self, $path) = @_;	1711	my ($self, $path) = @_;
1278		1712
1279	utf8::encode $path;	1713	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1714	#aio_open $path, O_RDONLY, 0
1281	or return;	1715	# or return;
1282		1716
1283	$self->_load_header ($path)	1717	$self->_load_header ($path)
1284	or return;	1718	or return;
1285		1719
1286	$self->{load_path} = $path;	1720	$self->{load_path} = $path;
1287		1721
1288	1	1722	1
1289	}	1723	}
1290		1724
1291	sub load_orig {	1725	sub load_header_orig {
1292	my ($self) = @_;	1726	my ($self) = @_;
1293		1727
1294	$self->load_header_from ($self->load_path)	1728	$self->load_header_from ($self->load_path)
1295	}	1729	}
1296		1730
1297	sub load_temp {	1731	sub load_header_temp {
1298	my ($self) = @_;	1732	my ($self) = @_;
1299		1733
1300	$self->load_header_from ($self->save_path)	1734	$self->load_header_from ($self->save_path)
		1735	}
		1736
		1737	sub prepare_temp {
		1738	my ($self) = @_;
		1739
		1740	$self->last_access ((delete $self->{last_access})
		1741	|| $cf::RUNTIME); #d#
		1742	# safety
		1743	$self->{instantiate_time} = $cf::RUNTIME
		1744	if $self->{instantiate_time} > $cf::RUNTIME;
		1745	}
		1746
		1747	sub prepare_orig {
		1748	my ($self) = @_;
		1749
		1750	$self->{load_original} = 1;
		1751	$self->{instantiate_time} = $cf::RUNTIME;
		1752	$self->last_access ($cf::RUNTIME);
		1753	$self->instantiate;
1301	}	1754	}
1302		1755
1303	sub load_header {	1756	sub load_header {
1304	my ($self) = @_;	1757	my ($self) = @_;
1305		1758
1306	if ($self->load_temp) {	1759	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1760	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1761	} else {
1313	$self->load_orig	1762	$self->load_header_orig
1314	or return;	1763	or return;
1315		1764	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	1765	}
		1766
		1767	$self->{deny_reset} = 1
		1768	if $self->no_reset;
		1769
		1770	$self->default_region (cf::region::find_by_path $self->{path})
		1771	unless $self->default_region;
1321		1772
1322	1	1773	1
1323	}	1774	}
1324		1775
1325	sub find;	1776	sub find;
…		…
1338	$map->{last_save} = $cf::RUNTIME;	1789	$map->{last_save} = $cf::RUNTIME;
1339		1790
1340	$map->load_header	1791	$map->load_header
1341	or return;	1792	or return;
1342		1793
1343	if ($map->should_reset) {	1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1795	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	1796	#$cf::WAIT_FOR_TICK->wait;
1345	$map->reset;	1797	$map->reset;
1346	undef $guard;	1798	undef $guard;
1347	$map = find $path	1799	return find $path;
1348	or return;
1349	}	1800	}
1350		1801
1351	$cf::MAP{$path} = $map	1802	$cf::MAP{$path} = $map
1352	}	1803	}
1353	}	1804	}
		1805
		1806	sub pre_load { }
		1807	sub post_load { }
1354		1808
1355	sub load {	1809	sub load {
1356	my ($self) = @_;	1810	my ($self) = @_;
1357		1811
		1812	local $self->{deny_reset} = 1; # loading can take a long time
		1813
1358	my $path = $self->{path};	1814	my $path = $self->{path};
		1815
		1816	{
1359	my $guard = cf::lock_acquire "map_load:$path";	1817	my $guard = cf::lock_acquire "map_load:$path";
1360		1818
1361	return if $self->in_memory != cf::MAP_SWAPPED;	1819	return if $self->in_memory != cf::MAP_SWAPPED;
1362		1820
1363	$self->in_memory (cf::MAP_LOADING);	1821	$self->in_memory (cf::MAP_LOADING);
1364		1822
1365	$self->alloc;	1823	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)
1367	or return;
1368		1824
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1825	$self->pre_load;
1370	if delete $self->{load_original};
1371
1372	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {
1375	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);
1377	}
1378	}
1379
1380	Coro::cede;
1381
1382	# now do the right thing for maps
1383	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;	1826	Coro::cede;
1390	$self->set_darkness_map;	1827
		1828	$self->_load_objects ($self->{load_path}, 1)
		1829	or return;
		1830
		1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1832	if delete $self->{load_original};
		1833
		1834	if (my $uniq = $self->uniq_path) {
		1835	utf8::encode $uniq;
		1836	if (aio_open $uniq, O_RDONLY, 0) {
		1837	$self->clear_unique_items;
		1838	$self->_load_objects ($uniq, 0);
		1839	}
		1840	}
		1841
		1842	Coro::cede;
		1843	# now do the right thing for maps
		1844	$self->link_multipart_objects;
1391	$self->difficulty ($self->estimate_difficulty)	1845	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	1846	unless $self->difficulty;
1393	Coro::cede;	1847	Coro::cede;
		1848
		1849	unless ($self->{deny_activate}) {
		1850	$self->decay_objects;
		1851	$self->fix_auto_apply;
		1852	$self->update_buttons;
		1853	Coro::cede;
		1854	$self->set_darkness_map;
		1855	Coro::cede;
1394	$self->activate;	1856	$self->activate;
1395	}	1857	}
1396		1858
1397	$self->in_memory (cf::MAP_IN_MEMORY);	1859	$self->in_memory (cf::MAP_IN_MEMORY);
		1860	}
		1861
		1862	$self->post_load;
1398	}	1863	}
1399		1864
1400	sub customise_for {	1865	sub customise_for {
1401	my ($self, $ob) = @_;	1866	my ($self, $ob) = @_;
1402		1867
1403	return find "~" . $ob->name . "/" . $self->{path}	1868	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	1869	if $self->per_player;
		1870
		1871	# return find "?party/" . $ob->name . "/" . $self->{path}
		1872	# if $self->per_party;
1405		1873
1406	$self	1874	$self
1407	}	1875	}
1408		1876
1409	# find and load all maps in the 3x3 area around a map	1877	# find and load all maps in the 3x3 area around a map
…		…
1441		1909
1442	cf::sync_job { $map->load };	1910	cf::sync_job { $map->load };
1443	}	1911	}
1444		1912
1445	our %MAP_PREFETCH;	1913	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	1914	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		1915
1459	sub find_async {	1916	sub find_async {
1460	my ($path, $origin) = @_;	1917	my ($path, $origin) = @_;
1461		1918
1462	$path = normalise $path, $origin && $origin->{path};	1919	$path = normalise $path, $origin && $origin->{path};
1463		1920
1464	if (my $map = $cf::MAP{$path}) {	1921	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1922	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1466	}	1923	}
1467		1924
1468	$MAP_PREFETCH{$path} = 0;	1925	undef $MAP_PREFETCH{$path};
		1926	$MAP_PREFETCHER ||= cf::async {
		1927	while (%MAP_PREFETCH) {
		1928	for my $path (keys %MAP_PREFETCH) {
		1929	if (my $map = find $path) {
		1930	$map->load;
		1931	}
		1932
		1933	delete $MAP_PREFETCH{$path};
		1934	}
		1935	}
		1936	undef $MAP_PREFETCHER;
		1937	};
1469	$MAP_PREFETCHER->ready;	1938	$MAP_PREFETCHER->prio (6);
1470		1939
1471	()	1940	()
1472	}	1941	}
1473		1942
1474	sub save {	1943	sub save {
…		…
1519		1988
1520	sub reset_at {	1989	sub reset_at {
1521	my ($self) = @_;	1990	my ($self) = @_;
1522		1991
1523	# TODO: safety, remove and allow resettable per-player maps	1992	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	1993	return 1e99 if $self->{deny_reset};
1526		1994
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1995	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1996	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		1997
…		…
1534	my ($self) = @_;	2002	my ($self) = @_;
1535		2003
1536	$self->reset_at <= $cf::RUNTIME	2004	$self->reset_at <= $cf::RUNTIME
1537	}	2005	}
1538		2006
1539	sub rename {
1540	my ($self, $new_path) = @_;
1541
1542	normalise $new_path;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = $new_path; $self->path ($self->{path});
1548	$cf::MAP{$self->path} = $self;
1549
1550	$self->save;
1551	}
1552
1553	sub reset {	2007	sub reset {
1554	my ($self) = @_;	2008	my ($self) = @_;
1555		2009
1556	my $lock = cf::lock_acquire "map_data:$self->{path}";	2010	my $lock = cf::lock_acquire "map_data:$self->{path}";
1557		2011
1558	return if $self->players;	2012	return if $self->players;
1559	return if $self->isa ("ext::map_per_player");#d#
1560		2013
1561	warn "resetting map ", $self->path;#d#	2014	warn "resetting map ", $self->path;
		2015
		2016	$self->in_memory (cf::MAP_SWAPPED);
		2017
		2018	# need to save uniques path
		2019	unless ($self->{deny_save}) {
		2020	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2021
		2022	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2023	if $uniq;
		2024	}
1562		2025
1563	delete $cf::MAP{$self->path};	2026	delete $cf::MAP{$self->path};
1564		2027
1565	$self->in_memory (cf::MAP_SWAPPED);
1566	$self->clear;	2028	$self->clear;
1567		2029
1568	$_->clear_links_to ($self) for values %cf::MAP;	2030	$_->clear_links_to ($self) for values %cf::MAP;
1569		2031
1570	$self->unlink_save;	2032	$self->unlink_save;
…		…
1574	my $nuke_counter = "aaaa";	2036	my $nuke_counter = "aaaa";
1575		2037
1576	sub nuke {	2038	sub nuke {
1577	my ($self) = @_;	2039	my ($self) = @_;
1578		2040
		2041	delete $cf::MAP{$self->path};
		2042
		2043	$self->unlink_save;
		2044
		2045	bless $self, "cf::map";
		2046	delete $self->{deny_reset};
1579	$self->{deny_save} = 1;	2047	$self->{deny_save} = 1;
1580	$self->reset_timeout (1);	2048	$self->reset_timeout (1);
1581	$self->rename ("{nuke}/" . ($nuke_counter++));	2049	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2050
		2051	$cf::MAP{$self->path} = $self;
		2052
1582	$self->reset; # polite request, might not happen	2053	$self->reset; # polite request, might not happen
		2054	}
		2055
		2056	=item $maps = cf::map::tmp_maps
		2057
		2058	Returns an arrayref with all map paths of currently instantiated and saved
		2059	maps. May block.
		2060
		2061	=cut
		2062
		2063	sub tmp_maps() {
		2064	[
		2065	map {
		2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise $_
		2069	: ()
		2070	} @{ aio_readdir $TMPDIR or [] }
		2071	]
		2072	}
		2073
		2074	=item $maps = cf::map::random_maps
		2075
		2076	Returns an arrayref with all map paths of currently instantiated and saved
		2077	random maps. May block.
		2078
		2079	=cut
		2080
		2081	sub random_maps() {
		2082	[
		2083	map {
		2084	utf8::decode $_;
		2085	/\.map$/
		2086	? normalise "?random/$_"
		2087	: ()
		2088	} @{ aio_readdir $RANDOMDIR or [] }
		2089	]
1583	}	2090	}
1584		2091
1585	=item cf::map::unique_maps	2092	=item cf::map::unique_maps
1586		2093
1587	Returns an arrayref of paths of all shared maps that have	2094	Returns an arrayref of paths of all shared maps that have
1588	instantiated unique items. May block.	2095	instantiated unique items. May block.
1589		2096
1590	=cut	2097	=cut
1591		2098
1592	sub unique_maps() {	2099	sub unique_maps() {
1593	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2100	[
1594	or return;	2101	map {
1595
1596	my @paths;
1597
1598	for (@$files) {
1599	utf8::decode $_;	2102	utf8::decode $_;
1600	next if /\.pst$/;
1601	next unless /^$PATH_SEP/o;
1602
1603	s/\.map$//;	2103	/\.map$/
1604	push @paths, $_;	2104	? normalise $_
		2105	: ()
		2106	} @{ aio_readdir $UNIQUEDIR or [] }
1605	}	2107	]
1606
1607	\@paths
1608	}	2108	}
1609		2109
1610	package cf;	2110	package cf;
1611		2111
1612	=back	2112	=back
…		…
1658		2158
1659	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2159	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1660		2160
1661	if ($self->{record_replies}) {	2161	if ($self->{record_replies}) {
1662	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2162	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2163
1663	} else {	2164	} else {
		2165	my $pl = $self->contr;
		2166
		2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2168	my $diag = $pl->{npc_dialog};
		2169	$diag->{pl}->ext_reply (
		2170	$diag->{id},
		2171	msgtype => "reply",
		2172	msg => $diag->{pl}->expand_cfpod ($msg),
		2173	add_topics => []
		2174	);
		2175
		2176	} else {
1664	$msg = $npc->name . " says: $msg" if $npc;	2177	$msg = $npc->name . " says: $msg" if $npc;
1665	$self->message ($msg, $flags);	2178	$self->message ($msg, $flags);
		2179	}
1666	}	2180	}
1667	}	2181	}
1668		2182
1669	=item $player_object->may ("access")	2183	=item $player_object->may ("access")
1670		2184
…		…
1703	=cut	2217	=cut
1704		2218
1705	sub link_map {	2219	sub link_map {
1706	unless ($LINK_MAP) {	2220	unless ($LINK_MAP) {
1707	$LINK_MAP = cf::map::find "{link}"	2221	$LINK_MAP = cf::map::find "{link}"
1708	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2222	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1709	$LINK_MAP->load;	2223	$LINK_MAP->load;
1710	}	2224	}
1711		2225
1712	$LINK_MAP	2226	$LINK_MAP
1713	}	2227	}
…		…
1718	$self->deactivate_recursive;	2232	$self->deactivate_recursive;
1719		2233
1720	return if UNIVERSAL::isa $self->map, "ext::map_link";	2234	return if UNIVERSAL::isa $self->map, "ext::map_link";
1721		2235
1722	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2236	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1723	if $self->map;	2237	if $self->map && $self->map->{path} ne "{link}";
1724		2238
1725	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2239	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1726	}	2240	}
1727		2241
1728	sub cf::object::player::leave_link {	2242	sub cf::object::player::leave_link {
1729	my ($self, $map, $x, $y) = @_;	2243	my ($self, $map, $x, $y) = @_;
		2244
		2245	return unless $self->contr->active;
1730		2246
1731	my $link_pos = delete $self->{_link_pos};	2247	my $link_pos = delete $self->{_link_pos};
1732		2248
1733	unless ($map) {	2249	unless ($map) {
1734	# restore original map position	2250	# restore original map position
…		…
1752	$map->load;	2268	$map->load;
1753	$map->load_diag;	2269	$map->load_diag;
1754		2270
1755	return unless $self->contr->active;	2271	return unless $self->contr->active;
1756	$self->activate_recursive;	2272	$self->activate_recursive;
		2273
		2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1757	$self->enter_map ($map, $x, $y);	2275	$self->enter_map ($map, $x, $y);
1758	}	2276	}
1759		2277
1760	cf::player->attach (	2278	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1761	on_logout => sub {
1762	my ($pl) = @_;
1763		2279
1764	# abort map switching before logout	2280	Moves the player to the given map-path and coordinates by first freezing
1765	if ($pl->ob->{_link_pos}) {	2281	her, loading and preparing them map, calling the provided $check callback
1766	cf::sync_job {	2282	that has to return the map if sucecssful, and then unfreezes the player on
1767	$pl->ob->leave_link	2283	the new (success) or old (failed) map position. In either case, $done will
1768	};	2284	be called at the end of this process.
1769	}
1770	},
1771	on_login => sub {
1772	my ($pl) = @_;
1773		2285
1774	# try to abort aborted map switching on player login :)
1775	# should happen only on crashes
1776	if ($pl->ob->{_link_pos}) {
1777	$pl->ob->enter_link;
1778	(async {
1779	# we need this sleep as the login has a concurrent enter_exit running
1780	# and this sleep increases chances of the player not ending up in scorn
1781	$pl->ob->reply (undef,
1782	"There was an internal problem at your last logout, "
1783	. "the server will try to bring you to your intended destination in a second.",
1784	cf::NDI_RED);
1785	Coro::Timer::sleep 1;
1786	$pl->ob->leave_link;
1787	})->prio (2);
1788	}
1789	},
1790	);
1791
1792	=item $player_object->goto ($path, $x, $y)
1793
1794	=cut	2286	=cut
		2287
		2288	our $GOTOGEN;
1795		2289
1796	sub cf::object::player::goto {	2290	sub cf::object::player::goto {
1797	my ($self, $path, $x, $y) = @_;	2291	my ($self, $path, $x, $y, $check, $done) = @_;
		2292
		2293	# do generation counting so two concurrent goto's will be executed in-order
		2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1798		2295
1799	$self->enter_link;	2296	$self->enter_link;
1800		2297
1801	(async {	2298	(async {
		2299	my $map = eval {
1802	my $map = cf::map::find $path;	2300	my $map = cf::map::find $path;
		2301
		2302	if ($map) {
1803	$map = $map->customise_for ($self) if $map;	2303	$map = $map->customise_for ($self);
1804		2304	$map = $check->($map) if $check && $map;
1805	# warn "entering ", $map->path, " at ($x, $y)\n"	2305	} else {
1806	# if $map;
1807
1808	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2307	}
1809		2308
		2309	$map
		2310	};
		2311
		2312	if ($@) {
		2313	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2314	LOG llevError | logBacktrace, Carp::longmess $@;
		2315	}
		2316
		2317	if ($gen == $self->{_goto_generation}) {
		2318	delete $self->{_goto_generation};
1810	$self->leave_link ($map, $x, $y);	2319	$self->leave_link ($map, $x, $y);
		2320	}
		2321
		2322	$done->() if $done;
1811	})->prio (1);	2323	})->prio (1);
1812	}	2324	}
1813		2325
1814	=item $player_object->enter_exit ($exit_object)	2326	=item $player_object->enter_exit ($exit_object)
1815		2327
…		…
1817		2329
1818	sub parse_random_map_params {	2330	sub parse_random_map_params {
1819	my ($spec) = @_;	2331	my ($spec) = @_;
1820		2332
1821	my $rmp = { # defaults	2333	my $rmp = { # defaults
1822	xsize => 10,	2334	xsize => (cf::rndm 15, 40),
1823	ysize => 10,	2335	ysize => (cf::rndm 15, 40),
		2336	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2337	#layout => string,
1824	};	2338	};
1825		2339
1826	for (split /\n/, $spec) {	2340	for (split /\n/, $spec) {
1827	my ($k, $v) = split /\s+/, $_, 2;	2341	my ($k, $v) = split /\s+/, $_, 2;
1828		2342
…		…
1832	$rmp	2346	$rmp
1833	}	2347	}
1834		2348
1835	sub prepare_random_map {	2349	sub prepare_random_map {
1836	my ($exit) = @_;	2350	my ($exit) = @_;
		2351
		2352	my $guard = cf::lock_acquire "exit_prepare:$exit";
1837		2353
1838	# all this does is basically replace the /! path by	2354	# all this does is basically replace the /! path by
1839	# a new random map path (?random/...) with a seed	2355	# a new random map path (?random/...) with a seed
1840	# that depends on the exit object	2356	# that depends on the exit object
1841		2357
1842	my $rmp = parse_random_map_params $exit->msg;	2358	my $rmp = parse_random_map_params $exit->msg;
1843		2359
1844	if ($exit->map) {	2360	if ($exit->map) {
1845	$rmp->{region} = $exit->map->region_name;	2361	$rmp->{region} = $exit->region->name;
1846	$rmp->{origin_map} = $exit->map->path;	2362	$rmp->{origin_map} = $exit->map->path;
1847	$rmp->{origin_x} = $exit->x;	2363	$rmp->{origin_x} = $exit->x;
1848	$rmp->{origin_y} = $exit->y;	2364	$rmp->{origin_y} = $exit->y;
1849	}	2365	}
1850		2366
1851	$rmp->{random_seed} ||= $exit->random_seed;	2367	$rmp->{random_seed} ||= $exit->random_seed;
1852		2368
1853	my $data = cf::to_json $rmp;	2369	my $data = cf::to_json $rmp;
1854	my $md5 = Digest::MD5::md5_hex $data;	2370	my $md5 = Digest::MD5::md5_hex $data;
		2371	my $meta = "$RANDOMDIR/$md5.meta";
1855		2372
1856	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857	aio_write $fh, 0, (length $data), $data, 0;	2374	aio_write $fh, 0, (length $data), $data, 0;
		2375	undef $fh;
		2376	aio_rename "$meta~", $meta;
1858		2377
1859	$exit->slaying ("?random/$md5");	2378	$exit->slaying ("?random/$md5");
1860	$exit->msg (undef);	2379	$exit->msg (undef);
1861	}	2380	}
1862	}	2381	}
…		…
1864	sub cf::object::player::enter_exit {	2383	sub cf::object::player::enter_exit {
1865	my ($self, $exit) = @_;	2384	my ($self, $exit) = @_;
1866		2385
1867	return unless $self->type == cf::PLAYER;	2386	return unless $self->type == cf::PLAYER;
1868		2387
		2388	if ($exit->slaying eq "/!") {
		2389	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2390	# the problem is that $exit might not survive long enough
		2391	# so it needs to be done right now, right here
		2392	cf::sync_job { prepare_random_map $exit };
		2393	}
		2394
		2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2396	my $hp = $exit->stats->hp;
		2397	my $sp = $exit->stats->sp;
		2398
1869	$self->enter_link;	2399	$self->enter_link;
		2400
		2401	# if exit is damned, update players death & WoR home-position
		2402	$self->contr->savebed ($slaying, $hp, $sp)
		2403	if $exit->flag (FLAG_DAMNED);
1870		2404
1871	(async {	2405	(async {
1872	$self->deactivate_recursive; # just to be sure	2406	$self->deactivate_recursive; # just to be sure
1873	unless (eval {	2407	unless (eval {
1874	prepare_random_map $exit	2408	$self->goto ($slaying, $hp, $sp);
1875	if $exit->slaying eq "/!";
1876
1877	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1878	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1879		2409
1880	1;	2410	1;
1881	}) {	2411	}) {
1882	$self->message ("Something went wrong deep within the crossfire server. "	2412	$self->message ("Something went wrong deep within the crossfire server. "
1883	. "I'll try to bring you back to the map you were before. "	2413	. "I'll try to bring you back to the map you were before. "
1884	. "Please report this to the dungeon master!",	2414	. "Please report this to the dungeon master!",
1885	cf::NDI_UNIQUE | cf::NDI_RED);	2415	cf::NDI_UNIQUE | cf::NDI_RED);
1886		2416
1887	warn "ERROR in enter_exit: $@";	2417	warn "ERROR in enter_exit: $@";
1888	$self->leave_link;	2418	$self->leave_link;
1889	}	2419	}
1890	})->prio (1);	2420	})->prio (1);
…		…
1903		2433
1904	sub cf::client::send_drawinfo {	2434	sub cf::client::send_drawinfo {
1905	my ($self, $text, $flags) = @_;	2435	my ($self, $text, $flags) = @_;
1906		2436
1907	utf8::encode $text;	2437	utf8::encode $text;
1908	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2438	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1909	}	2439	}
1910		2440
		2441	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2442
		2443	Send a drawinfo or msg packet to the client, formatting the msg for the
		2444	client if neccessary. C<$type> should be a string identifying the type of
		2445	the message, with C<log> being the default. If C<$color> is negative, suppress
		2446	the message unless the client supports the msg packet.
		2447
		2448	=cut
		2449
		2450	sub cf::client::send_msg {
		2451	my ($self, $channel, $msg, $color, @extra) = @_;
		2452
		2453	$msg = $self->pl->expand_cfpod ($msg);
		2454
		2455	return unless @extra || length $msg;
		2456
		2457	$color &= ~cf::NDI_UNIQUE; # just in case...
		2458
		2459	if (ref $channel) {
		2460	# send meta info to client, if not yet sent
		2461	unless (exists $self->{channel}{$channel->{id}}) {
		2462	$self->{channel}{$channel->{id}} = $channel;
		2463	$self->ext_event (channel_info => %$channel);
		2464	}
		2465
		2466	$channel = $channel->{id};
		2467	}
		2468
		2469	if ($self->can_msg) {
		2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2471	} else {
		2472	# replace some tags by gcfclient-compatible ones
		2473	for ($msg) {
		2474	1 while
		2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2480	}
		2481
		2482	if ($color >= 0) {
		2483	if (0 && $msg =~ /\[/) {
		2484	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2485	} else {
		2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2487	$self->send_packet ("drawinfo $color $msg")
		2488	}
		2489	}
		2490	}
		2491	}
		2492
		2493	=item $client->ext_event ($type, %msg)
		2494
		2495	Sends an ext event to the client.
		2496
		2497	=cut
		2498
		2499	sub cf::client::ext_event($$%) {
		2500	my ($self, $type, %msg) = @_;
		2501
		2502	return unless $self->extcmd;
		2503
		2504	$msg{msgtype} = "event_$type";
		2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2506	}
1911		2507
1912	=item $success = $client->query ($flags, "text", \&cb)	2508	=item $success = $client->query ($flags, "text", \&cb)
1913		2509
1914	Queues a query to the client, calling the given callback with	2510	Queues a query to the client, calling the given callback with
1915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2511	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2512	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1917		2513
1918	Queries can fail, so check the return code. Or don't, as queries will become	2514	Queries can fail, so check the return code. Or don't, as queries will
1919	reliable at some point in the future.	2515	become reliable at some point in the future.
1920		2516
1921	=cut	2517	=cut
1922		2518
1923	sub cf::client::query {	2519	sub cf::client::query {
1924	my ($self, $flags, $text, $cb) = @_;	2520	my ($self, $flags, $text, $cb) = @_;
…		…
1932	utf8::encode $text;	2528	utf8::encode $text;
1933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2529	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1934		2530
1935	$self->send_packet ($self->{query_queue}[0][0])	2531	$self->send_packet ($self->{query_queue}[0][0])
1936	if @{ $self->{query_queue} } == 1;	2532	if @{ $self->{query_queue} } == 1;
		2533
		2534	1
1937	}	2535	}
1938		2536
1939	cf::client->attach (	2537	cf::client->attach (
		2538	on_connect => sub {
		2539	my ($ns) = @_;
		2540
		2541	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2542	},
1940	on_reply => sub {	2543	on_reply => sub {
1941	my ($ns, $msg) = @_;	2544	my ($ns, $msg) = @_;
1942		2545
1943	# this weird shuffling is so that direct followup queries	2546	# this weird shuffling is so that direct followup queries
1944	# get handled first	2547	# get handled first
1945	my $queue = delete $ns->{query_queue}	2548	my $queue = delete $ns->{query_queue}
1946	or return; # be conservative, not sure how that can happen, but we saw a crash here	2549	or return; # be conservative, not sure how that can happen, but we saw a crash here
1947		2550
1948	(shift @$queue)->[1]->($msg);	2551	(shift @$queue)->[1]->($msg);
		2552	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1949		2553
1950	push @{ $ns->{query_queue} }, @$queue;	2554	push @{ $ns->{query_queue} }, @$queue;
1951		2555
1952	if (@{ $ns->{query_queue} } == @$queue) {	2556	if (@{ $ns->{query_queue} } == @$queue) {
1953	if (@$queue) {	2557	if (@$queue) {
…		…
1955	} else {	2559	} else {
1956	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2560	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1957	}	2561	}
1958	}	2562	}
1959	},	2563	},
		2564	on_exticmd => sub {
		2565	my ($ns, $buf) = @_;
		2566
		2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2568
		2569	if (ref $msg) {
		2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2571	if (my %reply = $cb->($ns, $msg)) {
		2572	$reply{msgid} = $msg->{msgid};
		2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2574	}
		2575	}
		2576	} else {
		2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2578	}
		2579
		2580	cf::override;
		2581	},
1960	);	2582	);
1961		2583
1962	=item $client->async (\&cb)	2584	=item $client->async (\&cb)
1963		2585
1964	Create a new coroutine, running the specified callback. The coroutine will	2586	Create a new coroutine, running the specified callback. The coroutine will
…		…
2011		2633
2012	# here we export the classes and methods available to script code	2634	# here we export the classes and methods available to script code
2013		2635
2014	=pod	2636	=pod
2015		2637
2016	The following fucntions and emthods are available within a safe environment:	2638	The following functions and methods are available within a safe environment:
2017		2639
2018	cf::object contr pay_amount pay_player map	2640	cf::object
		2641	contr pay_amount pay_player map x y force_find force_add
		2642	insert remove
		2643
2019	cf::object::player player	2644	cf::object::player
2020	cf::player peaceful	2645	player
2021	cf::map trigger	2646
		2647	cf::player
		2648	peaceful
		2649
		2650	cf::map
		2651	trigger
2022		2652
2023	=cut	2653	=cut
2024		2654
2025	for (	2655	for (
2026	["cf::object" => qw(contr pay_amount pay_player map)],	2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2657	insert remove)],
2027	["cf::object::player" => qw(player)],	2658	["cf::object::player" => qw(player)],
2028	["cf::player" => qw(peaceful)],	2659	["cf::player" => qw(peaceful)],
2029	["cf::map" => qw(trigger)],	2660	["cf::map" => qw(trigger)],
2030	) {	2661	) {
2031	no strict 'refs';	2662	no strict 'refs';
…		…
2102	=back	2733	=back
2103		2734
2104	=cut	2735	=cut
2105		2736
2106	#############################################################################	2737	#############################################################################
		2738	# the server's init and main functions
2107		2739
2108	=head2 EXTENSION DATABASE SUPPORT	2740	sub load_facedata($) {
		2741	my ($path) = @_;
2109		2742
2110	Crossfire maintains a very simple database for extension use. It can	2743	warn "loading facedata from $path\n";
2111	currently store anything that can be serialised using Storable, which
2112	excludes objects.
2113		2744
2114	The parameter C<$family> should best start with the name of the extension	2745	my $facedata;
2115	using it, it should be unique.	2746	0 < aio_load $path, $facedata
		2747	or die "$path: $!";
2116		2748
2117	=over 4	2749	$facedata = Coro::Storable::thaw $facedata;
2118		2750
2119	=item $hashref = cf::db_get $family	2751	$facedata->{version} == 2
		2752	or cf::cleanup "$path: version mismatch, cannot proceed.";
2120		2753
2121	Return a hashref for use by the extension C<$family>, which can be
2122	modified. After modifications, you have to call C<cf::db_dirty> or
2123	C<cf::db_sync>.
2124
2125	=item $value = cf::db_get $family => $key
2126
2127	Returns a single value from the database
2128
2129	=item cf::db_put $family => $hashref
2130
2131	Stores the given family hashref into the database. Updates are delayed, if
2132	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2133
2134	=item cf::db_put $family => $key => $value
2135
2136	Stores the given C<$value> in the family hash. Updates are delayed, if you
2137	want the data to be synced to disk immediately, use C<cf::db_sync>.
2138
2139	=item cf::db_dirty
2140
2141	Marks the database as dirty, to be updated at a later time.
2142
2143	=item cf::db_sync
2144
2145	Immediately write the database to disk I<if it is dirty>.
2146
2147	=cut
2148
2149	our $DB;
2150
2151	{
2152	my $path = cf::localdir . "/database.pst";
2153
2154	sub db_load() {
2155	$DB = stat $path ? Storable::retrieve $path : { };
2156	}	2754	{
		2755	my $faces = $facedata->{faceinfo};
2157		2756
2158	my $pid;	2757	while (my ($face, $info) = each %$faces) {
		2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2759	cf::face::set_visibility $idx, $info->{visibility};
		2760	cf::face::set_magicmap $idx, $info->{magicmap};
		2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2159		2763
2160	sub db_save() {	2764	cf::cede_to_tick;
2161	waitpid $pid, 0 if $pid;
2162	if (0 == ($pid = fork)) {
2163	$DB->{_meta}{version} = 1;
2164	Storable::nstore $DB, "$path~";
2165	rename "$path~", $path;
2166	cf::_exit 0 if defined $pid;
2167	}
2168	}
2169
2170	my $dirty;
2171
2172	sub db_sync() {
2173	db_save if $dirty;
2174	undef $dirty;
2175	}
2176
2177	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2178	db_sync;
2179	});
2180
2181	sub db_dirty() {
2182	$dirty = 1;
2183	$idle->start;
2184	}
2185
2186	sub db_get($;$) {
2187	@_ >= 2
2188	? $DB->{$_[0]}{$_[1]}
2189	: ($DB->{$_[0]} ||= { })
2190	}
2191
2192	sub db_put($$;$) {
2193	if (@_ >= 3) {
2194	$DB->{$_[0]}{$_[1]} = $_[2];
2195	} else {
2196	$DB->{$_[0]} = $_[1];
2197	}
2198	db_dirty;
2199	}
2200
2201	cf::global->attach (
2202	prio => 10000,
2203	on_cleanup => sub {
2204	db_sync;
2205	},	2765	}
2206	);
2207	}
2208		2766
2209	#############################################################################	2767	while (my ($face, $info) = each %$faces) {
2210	# the server's main()	2768	next unless $info->{smooth};
		2769	my $idx = cf::face::find $face
		2770	or next;
		2771	if (my $smooth = cf::face::find $info->{smooth}) {
		2772	cf::face::set_smooth $idx, $smooth;
		2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2774	} else {
		2775	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2776	}
		2777
		2778	cf::cede_to_tick;
		2779	}
		2780	}
		2781
		2782	{
		2783	my $anims = $facedata->{animinfo};
		2784
		2785	while (my ($anim, $info) = each %$anims) {
		2786	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2787	cf::cede_to_tick;
		2788	}
		2789
		2790	cf::anim::invalidate_all; # d'oh
		2791	}
		2792
		2793	{
		2794	# TODO: for gcfclient pleasure, we should give resources
		2795	# that gcfclient doesn't grok a >10000 face index.
		2796	my $res = $facedata->{resource};
		2797	my $enc = JSON::XS->new->utf8->canonical;
		2798
		2799	while (my ($name, $info) = each %$res) {
		2800	my $meta = $enc->encode ({
		2801	name => $name,
		2802	type => $info->{type},
		2803	copyright => $info->{copyright}, #TODO#
		2804	});
		2805
		2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2807
		2808	if ($name =~ /\.jpg$/) {
		2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2811	} else {
		2812	my $data = pack "(w/a*)*", $meta, $info->{data};
		2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2814
		2815	cf::face::set_type $idx, 1;
		2816	cf::face::set_data $idx, 0, $data, $chk;
		2817	}
		2818
		2819	cf::cede_to_tick;
		2820	}
		2821	}
		2822
		2823	1
		2824	}
		2825
		2826	sub reload_regions {
		2827	load_resource_file "$MAPDIR/regions"
		2828	or die "unable to load regions file\n";
		2829
		2830	for (cf::region::list) {
		2831	$_->{match} = qr/$_->{match}/
		2832	if exists $_->{match};
		2833	}
		2834	}
		2835
		2836	sub reload_facedata {
		2837	load_facedata "$DATADIR/facedata"
		2838	or die "unable to load facedata\n";
		2839	}
		2840
		2841	sub reload_archetypes {
		2842	load_resource_file "$DATADIR/archetypes"
		2843	or die "unable to load archetypes\n";
		2844	#d# NEED to laod twice to resolve forward references
		2845	# this really needs to be done in an extra post-pass
		2846	# (which needs to be synchronous, so solve it differently)
		2847	load_resource_file "$DATADIR/archetypes"
		2848	or die "unable to load archetypes\n";
		2849	}
		2850
		2851	sub reload_treasures {
		2852	load_resource_file "$DATADIR/treasures"
		2853	or die "unable to load treasurelists\n";
		2854	}
		2855
		2856	sub reload_resources {
		2857	warn "reloading resource files...\n";
		2858
		2859	reload_regions;
		2860	reload_facedata;
		2861	#reload_archetypes;#d#
		2862	reload_archetypes;
		2863	reload_treasures;
		2864
		2865	warn "finished reloading resource files\n";
		2866	}
		2867
		2868	sub init {
		2869	reload_resources;
		2870	}
2211		2871
2212	sub cfg_load {	2872	sub cfg_load {
2213	open my $fh, "<:utf8", cf::confdir . "/config"	2873	open my $fh, "<:utf8", "$CONFDIR/config"
2214	or return;	2874	or return;
2215		2875
2216	local $/;	2876	local $/;
2217	*CFG = YAML::Syck::Load <$fh>;	2877	*CFG = YAML::Syck::Load <$fh>;
2218		2878
…		…
2232		2892
2233	sub main {	2893	sub main {
2234	# we must not ever block the main coroutine	2894	# we must not ever block the main coroutine
2235	local $Coro::idle = sub {	2895	local $Coro::idle = sub {
2236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2896	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2897	(async {
2237	async { Event::one_event };	2898	Event::one_event;
		2899	})->prio (Coro::PRIO_MAX);
2238	};	2900	};
2239		2901
2240	cfg_load;	2902	cfg_load;
2241	db_load;	2903	db_init;
2242	load_extensions;	2904	load_extensions;
		2905
		2906	$TICK_WATCHER->start;
2243	Event::loop;	2907	Event::loop;
2244	}	2908	}
2245		2909
2246	#############################################################################	2910	#############################################################################
2247	# initialisation and cleanup	2911	# initialisation and cleanup
2248		2912
2249	# install some emergency cleanup handlers	2913	# install some emergency cleanup handlers
2250	BEGIN {	2914	BEGIN {
2251	for my $signal (qw(INT HUP TERM)) {	2915	for my $signal (qw(INT HUP TERM)) {
2252	Event->signal (	2916	Event->signal (
		2917	reentrant => 0,
2253	data => WF_AUTOCANCEL,	2918	data => WF_AUTOCANCEL,
2254	signal => $signal,	2919	signal => $signal,
		2920	prio => 0,
2255	cb => sub {	2921	cb => sub {
2256	cf::cleanup "SIG$signal";	2922	cf::cleanup "SIG$signal";
2257	},	2923	},
2258	);	2924	);
2259	}	2925	}
		2926	}
		2927
		2928	sub write_runtime {
		2929	my $runtime = "$LOCALDIR/runtime";
		2930
		2931	# first touch the runtime file to show we are still running:
		2932	# the fsync below can take a very very long time.
		2933
		2934	IO::AIO::aio_utime $runtime, undef, undef;
		2935
		2936	my $guard = cf::lock_acquire "write_runtime";
		2937
		2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2939	or return;
		2940
		2941	my $value = $cf::RUNTIME + 90 + 10;
		2942	# 10 is the runtime save interval, for a monotonic clock
		2943	# 60 allows for the watchdog to kill the server.
		2944
		2945	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2946	and return;
		2947
		2948	# always fsync - this file is important
		2949	aio_fsync $fh
		2950	and return;
		2951
		2952	# touch it again to show we are up-to-date
		2953	aio_utime $fh, undef, undef;
		2954
		2955	close $fh
		2956	or return;
		2957
		2958	aio_rename "$runtime~", $runtime
		2959	and return;
		2960
		2961	warn "runtime file written.\n";
		2962
		2963	1
2260	}	2964	}
2261		2965
2262	sub emergency_save() {	2966	sub emergency_save() {
2263	my $freeze_guard = cf::freeze_mainloop;	2967	my $freeze_guard = cf::freeze_mainloop;
2264		2968
…		…
2281	my $map = $cf::MAP{$path} or next;	2985	my $map = $cf::MAP{$path} or next;
2282	$map->valid or next;	2986	$map->valid or next;
2283	$map->save;	2987	$map->save;
2284	}	2988	}
2285	warn "end emergency map save\n";	2989	warn "end emergency map save\n";
		2990
		2991	warn "begin emergency database checkpoint\n";
		2992	BDB::db_env_txn_checkpoint $DB_ENV;
		2993	warn "end emergency database checkpoint\n";
2286	};	2994	};
2287		2995
2288	warn "leave emergency perl save\n";	2996	warn "leave emergency perl save\n";
2289	}	2997	}
2290		2998
		2999	sub post_cleanup {
		3000	my ($make_core) = @_;
		3001
		3002	warn Carp::longmess "post_cleanup backtrace"
		3003	if $make_core;
		3004	}
		3005
2291	sub reload() {	3006	sub do_reload_perl() {
2292	# can/must only be called in main	3007	# can/must only be called in main
2293	if ($Coro::current != $Coro::main) {	3008	if ($Coro::current != $Coro::main) {
2294	warn "can only reload from main coroutine\n";	3009	warn "can only reload from main coroutine";
2295	return;	3010	return;
2296	}	3011	}
2297		3012
2298	warn "reloading...";	3013	warn "reloading...";
2299		3014
2300	warn "freezing server";	3015	warn "entering sync_job";
2301	my $guard = freeze_mainloop;	3016
		3017	cf::sync_job {
		3018	cf::write_runtime; # external watchdog should not bark
2302	cf::emergency_save;	3019	cf::emergency_save;
		3020	cf::write_runtime; # external watchdog should not bark
2303		3021
2304	warn "sync database to disk";	3022	warn "syncing database to disk";
2305	cf::db_sync;	3023	BDB::db_env_txn_checkpoint $DB_ENV;
2306	IO::AIO::flush;
2307		3024
2308	eval {
2309	# if anything goes wrong in here, we should simply crash as we already saved	3025	# if anything goes wrong in here, we should simply crash as we already saved
2310		3026
2311	warn "cancel all watchers";	3027	warn "cancelling all WF_AUTOCANCEL watchers";
2312	for (Event::all_watchers) {	3028	for (Event::all_watchers) {
2313	$_->cancel if $_->data & WF_AUTOCANCEL;	3029	$_->cancel if $_->data & WF_AUTOCANCEL;
2314	}	3030	}
2315		3031
		3032	warn "flushing outstanding aio requests";
		3033	for (;;) {
		3034	BDB::flush;
		3035	IO::AIO::flush;
		3036	Coro::cede;
		3037	last unless IO::AIO::nreqs || BDB::nreqs;
		3038	warn "iterate...";
		3039	}
		3040
		3041	++$RELOAD;
		3042
2316	warn "cancel all extension coros";	3043	warn "cancelling all extension coros";
2317	$_->cancel for values %EXT_CORO;	3044	$_->cancel for values %EXT_CORO;
2318	%EXT_CORO = ();	3045	%EXT_CORO = ();
2319		3046
2320	warn "remove commands";	3047	warn "removing commands";
2321	%COMMAND = ();	3048	%COMMAND = ();
2322		3049
2323	warn "remove ext commands";	3050	warn "removing ext/exti commands";
2324	%EXTCMD = ();	3051	%EXTCMD = ();
		3052	%EXTICMD = ();
2325		3053
2326	warn "unload/nuke all extensions";	3054	warn "unloading/nuking all extensions";
2327	for my $pkg (@EXTS) {	3055	for my $pkg (@EXTS) {
2328	warn "... unloading $pkg";	3056	warn "... unloading $pkg";
2329		3057
2330	if (my $cb = $pkg->can ("unload")) {	3058	if (my $cb = $pkg->can ("unload")) {
2331	eval {	3059	eval {
…		…
2336		3064
2337	warn "... nuking $pkg";	3065	warn "... nuking $pkg";
2338	Symbol::delete_package $pkg;	3066	Symbol::delete_package $pkg;
2339	}	3067	}
2340		3068
2341	warn "unload all perl modules loaded from $LIBDIR";	3069	warn "unloading all perl modules loaded from $LIBDIR";
2342	while (my ($k, $v) = each %INC) {	3070	while (my ($k, $v) = each %INC) {
2343	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3071	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2344		3072
2345	warn "removing <$k>";	3073	warn "... unloading $k";
2346	delete $INC{$k};	3074	delete $INC{$k};
2347		3075
2348	$k =~ s/\.pm$//;	3076	$k =~ s/\.pm$//;
2349	$k =~ s/\//::/g;	3077	$k =~ s/\//::/g;
2350		3078
…		…
2353	}	3081	}
2354		3082
2355	Symbol::delete_package $k;	3083	Symbol::delete_package $k;
2356	}	3084	}
2357		3085
2358	warn "get rid of safe::, as good as possible";	3086	warn "getting rid of safe::, as good as possible";
2359	Symbol::delete_package "safe::$_"	3087	Symbol::delete_package "safe::$_"
2360	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2361		3089
2362	warn "unload cf.pm \"a bit\"";	3090	warn "unloading cf.pm \"a bit\"";
2363	delete $INC{"cf.pm"};	3091	delete $INC{"cf.pm"};
		3092	delete $INC{"cf/pod.pm"};
2364		3093
2365	# don't, removes xs symbols, too,	3094	# don't, removes xs symbols, too,
2366	# and global variables created in xs	3095	# and global variables created in xs
2367	#Symbol::delete_package __PACKAGE__;	3096	#Symbol::delete_package __PACKAGE__;
2368		3097
		3098	warn "unload completed, starting to reload now";
		3099
2369	warn "reloading cf.pm";	3100	warn "reloading cf.pm";
2370	require cf;	3101	require cf;
2371	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3102	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2372		3103
2373	warn "load config and database again";	3104	warn "loading config and database again";
2374	cf::cfg_load;	3105	cf::cfg_load;
2375	cf::db_load;
2376		3106
2377	warn "load extensions";	3107	warn "loading extensions";
2378	cf::load_extensions;	3108	cf::load_extensions;
2379		3109
2380	warn "reattach attachments to objects/players";	3110	warn "reattaching attachments to objects/players";
2381	_global_reattach;	3111	_global_reattach; # objects, sockets
2382	warn "reattach attachments to maps";	3112	warn "reattaching attachments to maps";
2383	reattach $_ for values %MAP;	3113	reattach $_ for values %MAP;
2384	};	3114	warn "reattaching attachments to players";
		3115	reattach $_ for values %PLAYER;
2385		3116
2386	if ($@) {	3117	warn "leaving sync_job";
		3118
		3119	1
		3120	} or do {
2387	warn $@;	3121	warn $@;
2388	warn "error while reloading, exiting.";	3122	warn "error while reloading, exiting.";
2389	exit 1;	3123	exit 1;
2390	}	3124	};
2391		3125
2392	warn "reloaded";	3126	warn "reloaded";
2393	};	3127	};
2394		3128
		3129	our $RELOAD_WATCHER; # used only during reload
		3130
		3131	sub reload_perl() {
		3132	# doing reload synchronously and two reloads happen back-to-back,
		3133	# coro crashes during coro_state_free->destroy here.
		3134
		3135	$RELOAD_WATCHER ||= Event->timer (
		3136	reentrant => 0,
		3137	after => 0,
		3138	data => WF_AUTOCANCEL,
		3139	cb => sub {
		3140	do_reload_perl;
		3141	undef $RELOAD_WATCHER;
		3142	},
		3143	);
		3144	}
		3145
2395	register_command "reload" => sub {	3146	register_command "reload" => sub {
2396	my ($who, $arg) = @_;	3147	my ($who, $arg) = @_;
2397		3148
2398	if ($who->flag (FLAG_WIZ)) {	3149	if ($who->flag (FLAG_WIZ)) {
2399	$who->message ("start of reload.");
2400	reload;
2401	$who->message ("end of reload.");	3150	$who->message ("reloading server.");
		3151	async { reload_perl };
2402	}	3152	}
2403	};	3153	};
2404		3154
2405	unshift @INC, $LIBDIR;	3155	unshift @INC, $LIBDIR;
2406		3156
		3157	my $bug_warning = 0;
		3158
		3159	our @WAIT_FOR_TICK;
		3160	our @WAIT_FOR_TICK_BEGIN;
		3161
		3162	sub wait_for_tick {
		3163	return unless $TICK_WATCHER->is_active;
		3164	return if $Coro::current == $Coro::main;
		3165
		3166	my $signal = new Coro::Signal;
		3167	push @WAIT_FOR_TICK, $signal;
		3168	$signal->wait;
		3169	}
		3170
		3171	sub wait_for_tick_begin {
		3172	return unless $TICK_WATCHER->is_active;
		3173	return if $Coro::current == $Coro::main;
		3174
		3175	my $signal = new Coro::Signal;
		3176	push @WAIT_FOR_TICK_BEGIN, $signal;
		3177	$signal->wait;
		3178	}
		3179
		3180	my $min = 1e6;#d#
		3181	my $avg = 10;
2407	$TICK_WATCHER = Event->timer (	3182	$TICK_WATCHER = Event->timer (
2408	reentrant => 0,	3183	reentrant => 0,
		3184	parked => 1,
2409	prio => 0,	3185	prio => 0,
2410	at => $NEXT_TICK || $TICK,	3186	at => $NEXT_TICK || $TICK,
2411	data => WF_AUTOCANCEL,	3187	data => WF_AUTOCANCEL,
2412	cb => sub {	3188	cb => sub {
		3189	if ($Coro::current != $Coro::main) {
		3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3191	unless ++$bug_warning > 10;
		3192	return;
		3193	}
		3194
2413	$NOW = Event::time;	3195	$NOW = $tick_start = Event::time;
2414		3196
2415	cf::server_tick; # one server iteration	3197	cf::server_tick; # one server iteration
		3198
		3199	0 && sync_job {#d#
		3200	for(1..10) {
		3201	my $t = Event::time;
		3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3203	or die;
		3204
		3205	$map->width (50);
		3206	$map->height (50);
		3207	$map->alloc;
		3208	$map->_load_objects ("/tmp/x.map", 1);
		3209	my $t = Event::time - $t;
		3210
		3211	#next unless $t < 0.0013;#d#
		3212	if ($t < $min) {
		3213	$min = $t;
		3214	}
		3215	$avg = $avg * 0.99 + $t * 0.01;
		3216	}
		3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3218	exit 0;
		3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3220	};
		3221
2416	$RUNTIME += $TICK;	3222	$RUNTIME += $TICK;
2417	$NEXT_TICK += $TICK;	3223	$NEXT_TICK += $TICK;
2418		3224
2419	$WAIT_FOR_TICK->broadcast;	3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2420	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3227	Coro::async_pool {
		3228	write_runtime
		3229	or warn "ERROR: unable to write runtime file: $!";
		3230	};
		3231	}
		3232
		3233	# my $AFTER = Event::time;
		3234	# warn $AFTER - $NOW;#d#
		3235
		3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3237	$sig->send;
		3238	}
		3239	while (my $sig = shift @WAIT_FOR_TICK) {
		3240	$sig->send;
		3241	}
		3242
		3243	$NOW = Event::time;
2421		3244
2422	# if we are delayed by four ticks or more, skip them all	3245	# if we are delayed by four ticks or more, skip them all
2423	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2424		3247
2425	$TICK_WATCHER->at ($NEXT_TICK);	3248	$TICK_WATCHER->at ($NEXT_TICK);
2426	$TICK_WATCHER->start;	3249	$TICK_WATCHER->start;
		3250
		3251	$LOAD = ($NOW - $tick_start) / $TICK;
		3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3253
		3254	_post_tick;
		3255
		3256
2427	},	3257	},
2428	);	3258	);
2429		3259
		3260	{
		3261	BDB::max_poll_time $TICK * 0.1;
		3262	$BDB_POLL_WATCHER = Event->io (
		3263	reentrant => 0,
		3264	fd => BDB::poll_fileno,
		3265	poll => 'r',
		3266	prio => 0,
		3267	data => WF_AUTOCANCEL,
		3268	cb => \&BDB::poll_cb,
		3269	);
		3270	BDB::min_parallel 8;
		3271
		3272	BDB::set_sync_prepare {
		3273	my $status;
		3274	my $current = $Coro::current;
		3275	(
		3276	sub {
		3277	$status = $!;
		3278	$current->ready; undef $current;
		3279	},
		3280	sub {
		3281	Coro::schedule while defined $current;
		3282	$! = $status;
		3283	},
		3284	)
		3285	};
		3286
		3287	unless ($DB_ENV) {
		3288	$DB_ENV = BDB::db_env_create;
		3289
		3290	cf::sync_job {
		3291	eval {
		3292	BDB::db_env_open
		3293	$DB_ENV,
		3294	$BDBDIR,
		3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3297	0666;
		3298
		3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3300
		3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3302	$DB_ENV->set_lk_detect;
		3303	};
		3304
		3305	cf::cleanup "db_env_open(db): $@" if $@;
		3306	};
		3307	}
		3308	}
		3309
		3310	{
		3311	IO::AIO::min_parallel 8;
		3312
		3313	undef $Coro::AIO::WATCHER;
2430	IO::AIO::max_poll_time $TICK * 0.2;	3314	IO::AIO::max_poll_time $TICK * 0.1;
2431
2432	$AIO_POLL_WATCHER = Event->io (	3315	$AIO_POLL_WATCHER = Event->io (
2433	fd => IO::AIO::poll_fileno,	3316	reentrant => 0,
2434	poll => 'r',
2435	prio => 5,
2436	data => WF_AUTOCANCEL,
2437	cb => \&IO::AIO::poll_cb,
2438	);
2439
2440	$WRITE_RUNTIME_WATCHER = Event->timer (
2441	data => WF_AUTOCANCEL,	3317	data => WF_AUTOCANCEL,
2442	after => 0,	3318	fd => IO::AIO::poll_fileno,
2443	interval => 10,	3319	poll => 'r',
2444	cb => sub {	3320	prio => 6,
2445	(Coro::unblock_sub {	3321	cb => \&IO::AIO::poll_cb,
2446	write_runtime	3322	);
2447	or warn "ERROR: unable to write runtime file: $!";	3323	}
		3324
		3325	my $_log_backtrace;
		3326
		3327	sub _log_backtrace {
		3328	my ($msg, @addr) = @_;
		3329
		3330	$msg =~ s/\n//;
		3331
		3332	# limit the # of concurrent backtraces
		3333	if ($_log_backtrace < 2) {
		3334	++$_log_backtrace;
		3335	async {
		3336	my @bt = fork_call {
		3337	@addr = map { sprintf "%x", $_ } @addr;
		3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3340	or die "addr2line: $!";
		3341
		3342	my @funcs;
		3343	my @res = <$fh>;
		3344	chomp for @res;
		3345	while (@res) {
		3346	my ($func, $line) = splice @res, 0, 2, ();
		3347	push @funcs, "[$func] $line";
		3348	}
		3349
		3350	@funcs
		3351	};
		3352
		3353	LOG llevInfo, "[ABT] $msg\n";
		3354	LOG llevInfo, "[ABT] $_\n" for @bt;
		3355	--$_log_backtrace;
2448	})->();	3356	};
		3357	} else {
		3358	LOG llevInfo, "[ABT] $msg\n";
		3359	LOG llevInfo, "[ABT] [suppressed]\n";
2449	},	3360	}
2450	);	3361	}
		3362
		3363	# load additional modules
		3364	use cf::pod;
2451		3365
2452	END { cf::emergency_save }	3366	END { cf::emergency_save }
2453		3367
2454	1	3368	1
2455		3369

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