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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.310 by elmex, Mon Jul 16 15:43:49 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;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	79	our $NEXT_TICK;
50	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;
51		85
52	our %CFG;	86	our %CFG;
53		87
54	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	89	our $RUNTIME;
56		90
57	our %PLAYER; # all users	91	our %PLAYER; # all users
58	our %MAP; # all maps	92	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		94
65	# 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 ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $tick_start; # for load detecting purposes
		101
68	binmode STDOUT;	102	binmode STDOUT;
69	binmode STDERR;	103	binmode STDERR;
70		104
71	# read virtual server time, if available	105	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
76	}	110	}
77		111
78	mkdir cf::localdir;	112	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		114
84	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
85		118
86	#############################################################################	119	#############################################################################
87		120
88	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
89		122
…		…
96	=item $cf::RUNTIME	129	=item $cf::RUNTIME
97		130
98	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
99	every server tick.	132	every server tick.
100		133
101	=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
102		137
103	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		142
106	=item $cf::NOW	143	=item $cf::NOW
107		144
108	The time of the last (current) server tick.	145	The time of the last (current) server tick.
109		146
110	=item $cf::TICK	147	=item $cf::TICK
111		148
112	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.
113		160
114	=item %cf::CFG	161	=item %cf::CFG
115		162
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	164	from wherever your confdir points to.
118		165
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		167
121	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
122	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
123	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.
124	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.
125		177
126	=back	178	=back
127		179
128	=cut	180	=cut
129		181
130	BEGIN {	182	BEGIN {
131	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	184	my $msg = join "", @_;
133	utf8::encode $msg;
134		185
135	$msg .= "\n"	186	$msg .= "\n"
136	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
137		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
138	LOG llevError, $msg;	192	LOG llevError, $msg;
139	};	193	};
140	}	194	}
141		195
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		203
149	# 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
150	# within the Safe compartment.	205	# within the Safe compartment.
151	for my $pkg (qw(	206	for my $pkg (qw(
152	cf::global cf::attachable	207	cf::global cf::attachable
…		…
160	}	215	}
161		216
162	$Event::DIED = sub {	217	$Event::DIED = sub {
163	warn "error in event callback: @_";	218	warn "error in event callback: @_";
164	};	219	};
		220
		221	#############################################################################
165		222
166	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
167		224
168	=over 4	225	=over 4
169		226
…		…
188	$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;
189	$d	246	$d
190	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
191	}	248	}
192		249
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
196		251
197	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
198		253
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
207		255
208	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
209		257
210	=cut	258	=cut
211		259
212	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
214	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
216		264
217	=item cf::lock_wait $string	265	=item cf::lock_wait $string
218		266
219	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
220		268
…		…
226	returned.	274	returned.
227		275
228	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
229	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
230		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
231	=cut	283	=cut
232		284
233	our %LOCK;	285	our %LOCK;
234		286
235	sub lock_wait($) {	287	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
256	}	308	}
257	}	309	}
258		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
259	sub freeze_mainloop {	317	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
261		319
262	my $guard = Coro::guard { $TICK_WATCHER->start };	320	my $guard = Coro::guard {
		321	$TICK_WATCHER->start;
		322	};
263	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
264	$guard	324	$guard
265	}	325	}
266		326
267	=item cf::async { BLOCK }	327	=item cf::async { BLOCK }
…		…
274		334
275	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
276		336
277	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
278		338
279	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
282		343
283	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
286	fast or be very important.	347	fast or be very important.
…		…
289		350
290	sub sync_job(&) {	351	sub sync_job(&) {
291	my ($job) = @_;	352	my ($job) = @_;
292		353
293	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
294	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
296		359
297	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
309		372
310	while ($busy) {	373	while ($busy) {
311	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
312	}	375	}
313		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
314	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
315	} else {	385	} else {
316	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
317		387
318	$job->()	388	$job->()
…		…
337	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
338		408
339	$coro	409	$coro
340	}	410	}
341		411
342	sub write_runtime {	412	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		413
345	my $runtime = cf::localdir . "/runtime";	414	Executes the given code block with the given arguments in a seperate
		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.
346		418
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	419	=cut
348	or return;
349		420
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	421	sub _store_scalar {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	422	open my $fh, ">", \my $buf
352	and return;	423	or die "fork_call: cannot open fh-to-buf in child : $!";
353		424	Storable::store_fd $_[0], $fh;
354	aio_fsync $fh
355	and return;
356
357	close $fh	425	close $fh;
358	or return;
359		426
360	aio_rename "$runtime~", $runtime	427	$buf
361	and return;	428	}
362		429
		430	sub fork_call(&@) {
		431	my ($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 $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
363	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		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 });
364	}	599	}
365		600
366	=back	601	=back
367		602
368	=cut	603	=cut
…		…
375	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")
376	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
377		612
378	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>
379	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
380	crossfire+).	615	Crossfire TRT).
381		616
382	=over 4	617	=over 4
383		618
384	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
385		620
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	734	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	735	our @CB_MAP = ();
501		736
502	my %attachment;	737	my %attachment;
503		738
		739	sub cf::attachable::thawer_merge {
		740	# simply override everything except _meta
		741	local $_[0]{_meta};
		742	%{$_[0]} = %{$_[1]};
		743	}
		744
504	sub _attach_cb($$$$) {	745	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	746	my ($registry, $event, $prio, $cb) = @_;
506		747
507	use sort 'stable';	748	use sort 'stable';
508		749
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
543		784
544	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		789
549	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	791	my $pkg = shift @arg;
551		792
552	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
582	}	823	}
583		824
584	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
585	} else {	826	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	828	}
588		829
589	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
590	}	831	}
591		832
…		…
593	if (ref $_[0]) {	834	if (ref $_[0]) {
594	_object_attach @_;	835	_object_attach @_;
595	} else {	836	} else {
596	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
597	}	838	}
		839	_recalc_want;
598	};	840	};
599		841
600	# all those should be optimised	842	# all those should be optimised
601	sub cf::attachable::detach {	843	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
606	reattach ($obj);	848	reattach ($obj);
607	} else {	849	} else {
608	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
609	}	851	}
		852	_recalc_want;
610	};	853	};
611		854
612	sub cf::attachable::attached {	855	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
614		857
…		…
629	";	872	";
630	die if $@;	873	die if $@;
631	}	874	}
632		875
633	our $override;	876	our $override;
634	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?
635		878
636	sub override {	879	sub override {
637	$override = 1;	880	$override = 1;
638	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
639	}	882	}
640		883
641	sub do_invoke {	884	sub do_invoke {
642	my $event = shift;	885	my $event = shift;
643	my $callbacks = shift;	886	my $callbacks = shift;
644		887
645	@invoke_results = ();	888	@INVOKE_RESULTS = ();
646		889
647	local $override;	890	local $override;
648		891
649	for (@$callbacks) {	892	for (@$callbacks) {
650	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
667		910
668	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
669		912
670	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
671	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
672	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		916
674	=back	917	=back
675		918
676	=cut	919	=cut
677		920
…		…
679	# object support	922	# object support
680		923
681	sub reattach {	924	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	925	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	926	my ($obj) = @_;
		927
		928	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		929
685	my $registry = $obj->registry;	930	my $registry = $obj->registry;
686		931
687	@$registry = ();	932	@$registry = ();
688		933
…		…
735	$filename, length $$rdata, scalar @$objs;	980	$filename, length $$rdata, scalar @$objs;
736		981
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	983	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	985	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	986	close $fh;
742		987
743	if (@$objs) {	988	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	989	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	990	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	991	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	992	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	993	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	994	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	995	aio_rename "$filename.pst~", "$filename.pst";
751	}	996	}
752	} else {	997	} else {
753	aio_unlink "$filename.pst";	998	aio_unlink "$filename.pst";
…		…
785	or return;	1030	or return;
786	$av = eval { (Storable::thaw $av)->{objs} };	1031	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1032	}
788		1033
789	warn sprintf "loading %s (%d)\n",	1034	warn sprintf "loading %s (%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1035	$filename, length $data, scalar @{$av || []};
791	return ($data, $av);	1036	return ($data, $av);
792	}	1037	}
		1038
		1039	=head2 COMMAND CALLBACKS
		1040
		1041	=over 4
		1042
		1043	=cut
793		1044
794	#############################################################################	1045	#############################################################################
795	# command handling &c	1046	# command handling &c
796		1047
797	=item cf::register_command $name => \&callback($ob,$args);	1048	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1061	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1062	}
812		1063
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1064	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1065
815	Register a callbackf ro execution when the client sends an extcmd packet.	1066	Register a callback for execution when the client sends an (synchronous)
		1067	extcmd packet. Ext commands will be processed in the order they are
		1068	received by the server, like other user commands. The first argument is
		1069	the logged-in player. Ext commands can only be processed after a player
		1070	has logged in successfully.
816		1071
817	If the callback returns something, it is sent back as if reply was being	1072	If the callback returns something, it is sent back as if reply was being
818	called.	1073	called.
819		1074
		1075	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1076
		1077	Register a callback for execution when the client sends an (asynchronous)
		1078	exticmd packet. Exti commands are processed by the server as soon as they
		1079	are received, i.e. out of order w.r.t. other commands. The first argument
		1080	is a client socket. Exti commands can be received anytime, even before
		1081	log-in.
		1082
		1083	If the callback returns something, it is sent back as if reply was being
		1084	called.
		1085
820	=cut	1086	=cut
821		1087
822	sub register_extcmd {	1088	sub register_extcmd {
823	my ($name, $cb) = @_;	1089	my ($name, $cb) = @_;
824		1090
825	$EXTCMD{$name} = $cb;	1091	$EXTCMD{$name} = $cb;
		1092	}
		1093
		1094	sub register_exticmd {
		1095	my ($name, $cb) = @_;
		1096
		1097	$EXTICMD{$name} = $cb;
826	}	1098	}
827		1099
828	cf::player->attach (	1100	cf::player->attach (
829	on_command => sub {	1101	on_command => sub {
830	my ($pl, $name, $params) = @_;	1102	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1111	cf::override;
840	},	1112	},
841	on_extcmd => sub {	1113	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1114	my ($pl, $buf) = @_;
843		1115
844	my $msg = eval { from_json $buf };	1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1117
846	if (ref $msg) {	1118	if (ref $msg) {
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
848	if (my %reply = $cb->($pl, $msg)) {	1120	if (my %reply = $cb->($pl, $msg)) {
849	$pl->ext_reply ($msg->{msgid}, %reply);	1121	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
855		1127
856	cf::override;	1128	cf::override;
857	},	1129	},
858	);	1130	);
859		1131
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1132	sub load_extensions {
		1133	cf::sync_job {
		1134	my %todo;
		1135
895	for my $ext (<$LIBDIR/*.ext>) {	1136	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1137	next unless -r $path;
897	eval {	1138
898	load_extension $ext;	1139	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1140	my $base = $1;
		1141	my $pkg = $1;
		1142	$pkg =~ s/[^[:word:]]/_/g;
		1143	$pkg = "ext::$pkg";
		1144
		1145	open my $fh, "<:utf8", $path
		1146	or die "$path: $!";
		1147
		1148	my $source = do { local $/; <$fh> };
		1149
		1150	my %ext = (
		1151	path => $path,
		1152	base => $base,
		1153	pkg => $pkg,
		1154	);
		1155
		1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1158
		1159	$ext{source} =
		1160	"package $pkg; use strict; use utf8;\n"
		1161	. "#line 1 \"$path\"\n{\n"
		1162	. $source
		1163	. "\n};\n1";
		1164
		1165	$todo{$base} = \%ext;
		1166	}
		1167
		1168	my %done;
		1169	while (%todo) {
		1170	my $progress;
		1171
		1172	while (my ($k, $v) = each %todo) {
		1173	for (split /,\s*/, $v->{meta}{depends}) {
		1174	goto skip
		1175	unless exists $done{$_};
		1176	}
		1177
		1178	warn "... loading '$k' into '$v->{pkg}'\n";
		1179
		1180	unless (eval $v->{source}) {
		1181	my $msg = $@ ? "$v->{path}: $@\n"
		1182	: "$v->{base}: extension inactive.\n";
		1183
		1184	if (exists $v->{meta}{mandatory}) {
		1185	warn $msg;
		1186	warn "mandatory extension failed to load, exiting.\n";
		1187	exit 1;
		1188	}
		1189
		1190	warn $msg;
		1191	}
		1192
		1193	$done{$k} = delete $todo{$k};
		1194	push @EXTS, $v->{pkg};
		1195	$progress = 1;
899	1	1196	}
900	} or warn "$ext not loaded: $@";	1197
		1198	skip:
		1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1200	unless $progress;
		1201	}
901	}	1202	};
902	}	1203	}
903		1204
904	#############################################################################	1205	#############################################################################
905		1206
		1207	=back
		1208
906	=head2 CORE EXTENSIONS	1209	=head2 CORE EXTENSIONS
907		1210
908	Functions and methods that extend core crossfire objects.	1211	Functions and methods that extend core crossfire objects.
909		1212
910	=cut	1213	=cut
…		…
922	Returns the given player object, loading it if necessary (might block).	1225	Returns the given player object, loading it if necessary (might block).
923		1226
924	=cut	1227	=cut
925		1228
926	sub playerdir($) {	1229	sub playerdir($) {
927	cf::localdir	1230	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1231	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1232	}
933		1233
934	sub path($) {	1234	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1235	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1236
937	(playerdir $login) . "/$login.pl"	1237	(playerdir $login) . "/playerdata"
938	}	1238	}
939		1239
940	sub find_active($) {	1240	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1241	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1242	and $cf::PLAYER{$_[0]}->active
…		…
945		1245
946	sub exists($) {	1246	sub exists($) {
947	my ($login) = @_;	1247	my ($login) = @_;
948		1248
949	$cf::PLAYER{$login}	1249	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1250	or cf::sync_job { !aio_stat path $login }
951	}	1251	}
952		1252
953	sub find($) {	1253	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1254	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1255	my $login = $_[0];
956		1256
957	my $guard = cf::lock_acquire "user_find:$login";	1257	my $guard = cf::lock_acquire "user_find:$login";
958		1258
959	$cf::PLAYER{$_[0]} || do {	1259	$cf::PLAYER{$_[0]} || do {
		1260	# rename old playerfiles to new ones
		1261	#TODO: remove when no longer required
		1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1265	aio_unlink +(playerdir $login) . "/$login.pl";
		1266
960	my $pl = load_pl path $login	1267	my $pl = load_pl path $login
961	or return;	1268	or return;
962	$cf::PLAYER{$login} = $pl	1269	$cf::PLAYER{$login} = $pl
963	}	1270	}
964	}	1271	}
…		…
1001		1308
1002	=cut	1309	=cut
1003		1310
1004	sub quit_character {	1311	sub quit_character {
1005	my ($pl) = @_;	1312	my ($pl) = @_;
		1313
		1314	my $name = $pl->ob->name;
1006		1315
1007	$pl->{deny_save} = 1;	1316	$pl->{deny_save} = 1;
1008	$pl->password ("*"); # this should lock out the player until we nuked the dir	1317	$pl->password ("*"); # this should lock out the player until we nuked the dir
1009		1318
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1324	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1325	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1326	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1327	delete $cf::PLAYER{$pl->ob->name};
1019	$pl->destroy;	1328	$pl->destroy;
		1329
		1330	my $prefix = qr<^~\Q$name\E/>;
		1331
		1332	# nuke player maps
		1333	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1334
1020	IO::AIO::aio_rmtree $temp;	1335	IO::AIO::aio_rmtree $temp;
		1336	}
		1337
		1338	=item $pl->kick
		1339
		1340	Kicks a player out of the game. This destroys the connection.
		1341
		1342	=cut
		1343
		1344	sub kick {
		1345	my ($pl, $kicker) = @_;
		1346
		1347	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1348	$pl->killer ("kicked");
		1349	$pl->ns->destroy;
1021	}	1350	}
1022		1351
1023	=item cf::player::list_logins	1352	=item cf::player::list_logins
1024		1353
1025	Returns am arrayref of all valid playernames in the system, can take a	1354	Returns am arrayref of all valid playernames in the system, can take a
1026	while and may block, so not sync_job-capable, ever.	1355	while and may block, so not sync_job-capable, ever.
1027		1356
1028	=cut	1357	=cut
1029		1358
1030	sub list_logins {	1359	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1360	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1361	or return [];
1033		1362
1034	my @logins;	1363	my @logins;
1035		1364
1036	for my $login (@$dirs) {	1365	for my $login (@$dirs) {
…		…
1053	=cut	1382	=cut
1054		1383
1055	sub maps($) {	1384	sub maps($) {
1056	my ($pl) = @_;	1385	my ($pl) = @_;
1057		1386
		1387	$pl = ref $pl ? $pl->ob->name : $pl;
		1388
1058	my $files = aio_readdir playerdir $pl	1389	my $files = aio_readdir playerdir $pl
1059	or return;	1390	or return;
1060		1391
1061	my @paths;	1392	my @paths;
1062		1393
1063	for (@$files) {	1394	for (@$files) {
1064	utf8::decode $_;	1395	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1396	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1397	next unless /^$PATH_SEP/o;
1067		1398
1068	s/\.map$//;	1399	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1400	}
1071		1401
1072	\@paths	1402	\@paths
1073	}	1403	}
1074		1404
		1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1406
		1407	Expand crossfire pod fragments into protocol xml.
		1408
		1409	=cut
		1410
		1411	sub expand_cfpod {
		1412	((my $self), (local $_)) = @_;
		1413
		1414	# escape & and <
		1415	s/&/&amp;/g;
		1416	s/(?<![BIUGH])</&lt;/g;
		1417
		1418	# this is buggy, it needs to properly take care of nested <'s
		1419
		1420	1 while
		1421	# replace B<>, I<>, U<> etc.
		1422	s/B<([^\>]*)>/<b>$1<\/b>/
		1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1425	# replace G<male|female> tags
		1426	|| s{G<([^>|]*)\|([^>]*)>}{
		1427	$self->gender ? $2 : $1
		1428	}ge
		1429	# replace H<hint text>
		1430	|| s{H<([^\>]*)>}
		1431	{
		1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1434	"")
		1435	[$self->{hintmode}]
		1436	}ge;
		1437
		1438	# create single paragraphs (very hackish)
		1439	s/(?<=\S)\n(?=\w)/ /g;
		1440
		1441	# compress some whitespace
		1442	s/\s+\n/\n/g; # ws line-ends
		1443	s/\n\n+/\n/g; # double lines
		1444	s/^\n+//; # beginning lines
		1445	s/\n+$//; # ending lines
		1446
		1447	$_
		1448	}
		1449
		1450	sub hintmode {
		1451	$_[0]{hintmode} = $_[1] if @_ > 1;
		1452	$_[0]{hintmode}
		1453	}
		1454
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1455	=item $player->ext_reply ($msgid, %msg)
1076		1456
1077	Sends an ext reply to the player.	1457	Sends an ext reply to the player.
1078		1458
1079	=cut	1459	=cut
1080		1460
1081	sub ext_reply($$$%) {	1461	sub ext_reply($$%) {
1082	my ($self, $id, %msg) = @_;	1462	my ($self, $id, %msg) = @_;
1083		1463
1084	$msg{msgid} = $id;	1464	$msg{msgid} = $id;
1085		1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1466	}
1088		1467
1089	package cf;	1468	=item $player->ext_event ($type, %msg)
		1469
		1470	Sends an ext event to the client.
		1471
		1472	=cut
		1473
		1474	sub ext_event($$%) {
		1475	my ($self, $type, %msg) = @_;
		1476
		1477	$self->ns->ext_event ($type, %msg);
		1478	}
		1479
		1480	=head3 cf::region
		1481
		1482	=over 4
		1483
		1484	=cut
		1485
		1486	package cf::region;
		1487
		1488	=item cf::region::find_by_path $path
		1489
		1490	Tries to decuce the likely region for a map knowing only its path.
		1491
		1492	=cut
		1493
		1494	sub find_by_path($) {
		1495	my ($path) = @_;
		1496
		1497	my ($match, $specificity);
		1498
		1499	for my $region (list) {
		1500	if ($region->{match} && $path =~ $region->{match}) {
		1501	($match, $specificity) = ($region, $region->specificity)
		1502	if $region->specificity > $specificity;
		1503	}
		1504	}
		1505
		1506	$match
		1507	}
1090		1508
1091	=back	1509	=back
1092
1093		1510
1094	=head3 cf::map	1511	=head3 cf::map
1095		1512
1096	=over 4	1513	=over 4
1097		1514
…		…
1101		1518
1102	use Fcntl;	1519	use Fcntl;
1103	use Coro::AIO;	1520	use Coro::AIO;
1104		1521
1105	use overload	1522	use overload
1106	'""' => \&as_string;	1523	'""' => \&as_string,
		1524	fallback => 1;
1107		1525
1108	our $MAX_RESET = 3600;	1526	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1527	our $DEFAULT_RESET = 3000;
1110		1528
1111	sub generate_random_map {	1529	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1530	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1531	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1532	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1542	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1543	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1544	)
1128	}	1545	}
1129		1546
		1547	=item cf::map->register ($regex, $prio)
		1548
		1549	Register a handler for the map path matching the given regex at the
		1550	givne priority (higher is better, built-in handlers have priority 0, the
		1551	default).
		1552
		1553	=cut
		1554
1130	sub register {	1555	sub register {
1131	my (undef, $regex) = @_;	1556	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1557	my $pkg = caller;
1133		1558
1134	no strict;	1559	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1560	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1561
1137	$EXT_MAP{$pkg} = qr<$regex>;	1562	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1563	}
1139		1564
1140	# also paths starting with '/'	1565	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1566	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1567
		1568	sub thawer_merge {
		1569	my ($self, $merge) = @_;
		1570
		1571	# we have to keep some variables in memory intact
		1572	local $self->{path};
		1573	local $self->{load_path};
		1574
		1575	$self->SUPER::thawer_merge ($merge);
		1576	}
1142		1577
1143	sub normalise {	1578	sub normalise {
1144	my ($path, $base) = @_;	1579	my ($path, $base) = @_;
		1580
		1581	$path = "$path"; # make sure its a string
		1582
		1583	$path =~ s/\.map$//;
1145		1584
1146	# map plan:	1585	# map plan:
1147	#	1586	#
1148	# /! non-realised random map exit (special hack!)	1587	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1588	# {... are special paths that are not being touched
…		…
1177		1616
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1617	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1618
1180	$path = normalise $path, $base;	1619	$path = normalise $path, $base;
1181		1620
1182	for my $pkg (keys %EXT_MAP) {	1621	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1622	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1623	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1624	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1625	$self->init; # pass $1 etc.
1187	return $self;	1626	return $self;
1188	}	1627	}
1189	}	1628	}
1190		1629
1191	Carp::carp "unable to resolve path '$path'.";	1630	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1631	()
1193	}	1632	}
1194		1633
1195	sub init {	1634	sub init {
1196	my ($self) = @_;	1635	my ($self) = @_;
…		…
1211		1650
1212	# the original (read-only) location	1651	# the original (read-only) location
1213	sub load_path {	1652	sub load_path {
1214	my ($self) = @_;	1653	my ($self) = @_;
1215		1654
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1655	"$MAPDIR/$self->{path}.map"
1217	}	1656	}
1218		1657
1219	# the temporary/swap location	1658	# the temporary/swap location
1220	sub save_path {	1659	sub save_path {
1221	my ($self) = @_;	1660	my ($self) = @_;
1222		1661
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1663	"$TMPDIR/$path.map"
1225	}	1664	}
1226		1665
1227	# the unique path, undef == no special unique path	1666	# the unique path, undef == no special unique path
1228	sub uniq_path {	1667	sub uniq_path {
1229	my ($self) = @_;	1668	my ($self) = @_;
1230		1669
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1671	"$UNIQUEDIR/$path"
1233	}	1672	}
1234		1673
1235	# and all this just because we cannot iterate over	1674	# and all this just because we cannot iterate over
1236	# all maps in C++...	1675	# all maps in C++...
1237	sub change_all_map_light {	1676	sub change_all_map_light {
…		…
1239		1678
1240	$_->change_map_light ($change)	1679	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1680	for grep $_->outdoor, values %cf::MAP;
1242	}	1681	}
1243		1682
		1683	sub decay_objects {
		1684	my ($self) = @_;
		1685
		1686	return if $self->{deny_reset};
		1687
		1688	$self->do_decay_objects;
		1689	}
		1690
1244	sub unlink_save {	1691	sub unlink_save {
1245	my ($self) = @_;	1692	my ($self) = @_;
1246		1693
1247	utf8::encode (my $save = $self->save_path);	1694	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1695	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1696	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1697	}
1251		1698
1252	sub load_header_from($) {	1699	sub load_header_from($) {
1253	my ($self, $path) = @_;	1700	my ($self, $path) = @_;
1254		1701
1255	utf8::encode $path;	1702	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1703	#aio_open $path, O_RDONLY, 0
1257	or return;	1704	# or return;
1258		1705
1259	$self->_load_header ($path)	1706	$self->_load_header ($path)
1260	or return;	1707	or return;
1261		1708
1262	$self->{load_path} = $path;	1709	$self->{load_path} = $path;
1263		1710
1264	1	1711	1
1265	}	1712	}
1266		1713
1267	sub load_orig {	1714	sub load_header_orig {
1268	my ($self) = @_;	1715	my ($self) = @_;
1269		1716
1270	$self->load_header_from ($self->load_path)	1717	$self->load_header_from ($self->load_path)
1271	}	1718	}
1272		1719
1273	sub load_temp {	1720	sub load_header_temp {
1274	my ($self) = @_;	1721	my ($self) = @_;
1275		1722
1276	$self->load_header_from ($self->save_path)	1723	$self->load_header_from ($self->save_path)
		1724	}
		1725
		1726	sub prepare_temp {
		1727	my ($self) = @_;
		1728
		1729	$self->last_access ((delete $self->{last_access})
		1730	|| $cf::RUNTIME); #d#
		1731	# safety
		1732	$self->{instantiate_time} = $cf::RUNTIME
		1733	if $self->{instantiate_time} > $cf::RUNTIME;
		1734	}
		1735
		1736	sub prepare_orig {
		1737	my ($self) = @_;
		1738
		1739	$self->{load_original} = 1;
		1740	$self->{instantiate_time} = $cf::RUNTIME;
		1741	$self->last_access ($cf::RUNTIME);
		1742	$self->instantiate;
1277	}	1743	}
1278		1744
1279	sub load_header {	1745	sub load_header {
1280	my ($self) = @_;	1746	my ($self) = @_;
1281		1747
1282	if ($self->load_temp) {	1748	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1749	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1750	} else {
1289	$self->load_orig	1751	$self->load_header_orig
1290	or return;	1752	or return;
1291		1753	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	1754	}
		1755
		1756	$self->{deny_reset} = 1
		1757	if $self->no_reset;
		1758
		1759	$self->default_region (cf::region::find_by_path $self->{path})
		1760	unless $self->default_region;
1297		1761
1298	1	1762	1
1299	}	1763	}
1300		1764
1301	sub find;	1765	sub find;
…		…
1314	$map->{last_save} = $cf::RUNTIME;	1778	$map->{last_save} = $cf::RUNTIME;
1315		1779
1316	$map->load_header	1780	$map->load_header
1317	or return;	1781	or return;
1318		1782
1319	if ($map->should_reset) {	1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1784	# doing this can freeze the server in a sync job, obviously
		1785	#$cf::WAIT_FOR_TICK->wait;
1320	$map->reset;	1786	$map->reset;
1321	undef $guard;	1787	undef $guard;
1322	$map = find $path	1788	return find $path;
1323	or return;
1324	}	1789	}
1325		1790
1326	$cf::MAP{$path} = $map	1791	$cf::MAP{$path} = $map
1327	}	1792	}
1328	}	1793	}
		1794
		1795	sub pre_load { }
		1796	sub post_load { }
1329		1797
1330	sub load {	1798	sub load {
1331	my ($self) = @_;	1799	my ($self) = @_;
1332		1800
		1801	local $self->{deny_reset} = 1; # loading can take a long time
		1802
1333	my $path = $self->{path};	1803	my $path = $self->{path};
		1804
		1805	{
1334	my $guard = cf::lock_acquire "map_load:$path";	1806	my $guard = cf::lock_acquire "map_load:$path";
1335		1807
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1808	return if $self->in_memory != cf::MAP_SWAPPED;
1337		1809
1338	$self->in_memory (cf::MAP_LOADING);	1810	$self->in_memory (cf::MAP_LOADING);
1339		1811
1340	$self->alloc;	1812	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)
1342	or return;
1343		1813
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1814	$self->pre_load;
1345	if delete $self->{load_original};
1346
1347	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {
1350	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);
1352	}
1353	}
1354
1355	Coro::cede;
1356
1357	# now do the right thing for maps
1358	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;	1815	Coro::cede;
1365	$self->set_darkness_map;	1816
		1817	$self->_load_objects ($self->{load_path}, 1)
		1818	or return;
		1819
		1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1821	if delete $self->{load_original};
		1822
		1823	if (my $uniq = $self->uniq_path) {
		1824	utf8::encode $uniq;
		1825	if (aio_open $uniq, O_RDONLY, 0) {
		1826	$self->clear_unique_items;
		1827	$self->_load_objects ($uniq, 0);
		1828	}
		1829	}
		1830
		1831	Coro::cede;
		1832	# now do the right thing for maps
		1833	$self->link_multipart_objects;
1366	$self->difficulty ($self->estimate_difficulty)	1834	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1835	unless $self->difficulty;
1368	Coro::cede;	1836	Coro::cede;
		1837
		1838	unless ($self->{deny_activate}) {
		1839	$self->decay_objects;
		1840	$self->fix_auto_apply;
		1841	$self->update_buttons;
		1842	Coro::cede;
		1843	$self->set_darkness_map;
		1844	Coro::cede;
1369	$self->activate;	1845	$self->activate;
1370	}	1846	}
1371		1847
1372	$self->in_memory (cf::MAP_IN_MEMORY);	1848	$self->in_memory (cf::MAP_IN_MEMORY);
		1849	}
		1850
		1851	$self->post_load;
1373	}	1852	}
1374		1853
1375	sub customise_for {	1854	sub customise_for {
1376	my ($self, $ob) = @_;	1855	my ($self, $ob) = @_;
1377		1856
1378	return find "~" . $ob->name . "/" . $self->{path}	1857	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	1858	if $self->per_player;
		1859
		1860	# return find "?party/" . $ob->name . "/" . $self->{path}
		1861	# if $self->per_party;
1380		1862
1381	$self	1863	$self
1382	}	1864	}
1383		1865
1384	# find and load all maps in the 3x3 area around a map	1866	# find and load all maps in the 3x3 area around a map
…		…
1416		1898
1417	cf::sync_job { $map->load };	1899	cf::sync_job { $map->load };
1418	}	1900	}
1419		1901
1420	our %MAP_PREFETCH;	1902	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	1903	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		1904
1434	sub find_async {	1905	sub find_async {
1435	my ($path, $origin) = @_;	1906	my ($path, $origin) = @_;
1436		1907
1437	$path = normalise $path, $origin && $origin->{path};	1908	$path = normalise $path, $origin && $origin->{path};
1438		1909
1439	if (my $map = $cf::MAP{$path}) {	1910	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1441	}	1912	}
1442		1913
1443	$MAP_PREFETCH{$path} = 0;	1914	undef $MAP_PREFETCH{$path};
		1915	$MAP_PREFETCHER ||= cf::async {
		1916	while (%MAP_PREFETCH) {
		1917	for my $path (keys %MAP_PREFETCH) {
		1918	if (my $map = find $path) {
		1919	$map->load;
		1920	}
		1921
		1922	delete $MAP_PREFETCH{$path};
		1923	}
		1924	}
		1925	undef $MAP_PREFETCHER;
		1926	};
1444	$MAP_PREFETCHER->ready;	1927	$MAP_PREFETCHER->prio (6);
1445		1928
1446	()	1929	()
1447	}	1930	}
1448		1931
1449	sub save {	1932	sub save {
…		…
1494		1977
1495	sub reset_at {	1978	sub reset_at {
1496	my ($self) = @_;	1979	my ($self) = @_;
1497		1980
1498	# TODO: safety, remove and allow resettable per-player maps	1981	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	1982	return 1e99 if $self->{deny_reset};
1501		1983
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1984	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1985	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		1986
…		…
1509	my ($self) = @_;	1991	my ($self) = @_;
1510		1992
1511	$self->reset_at <= $cf::RUNTIME	1993	$self->reset_at <= $cf::RUNTIME
1512	}	1994	}
1513		1995
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	1996	sub reset {
1529	my ($self) = @_;	1997	my ($self) = @_;
1530		1998
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	1999	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2000
1533	return if $self->players;	2001	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2002
1536	warn "resetting map ", $self->path;#d#	2003	warn "resetting map ", $self->path;
		2004
		2005	$self->in_memory (cf::MAP_SWAPPED);
		2006
		2007	# need to save uniques path
		2008	unless ($self->{deny_save}) {
		2009	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2010
		2011	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2012	if $uniq;
		2013	}
1537		2014
1538	delete $cf::MAP{$self->path};	2015	delete $cf::MAP{$self->path};
1539		2016
1540	$self->in_memory (cf::MAP_SWAPPED);
1541	$self->clear;	2017	$self->clear;
1542		2018
1543	$_->clear_links_to ($self) for values %cf::MAP;	2019	$_->clear_links_to ($self) for values %cf::MAP;
1544		2020
1545	$self->unlink_save;	2021	$self->unlink_save;
…		…
1549	my $nuke_counter = "aaaa";	2025	my $nuke_counter = "aaaa";
1550		2026
1551	sub nuke {	2027	sub nuke {
1552	my ($self) = @_;	2028	my ($self) = @_;
1553		2029
		2030	delete $cf::MAP{$self->path};
		2031
		2032	$self->unlink_save;
		2033
		2034	bless $self, "cf::map";
		2035	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2036	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2037	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2039
		2040	$cf::MAP{$self->path} = $self;
		2041
1557	$self->reset; # polite request, might not happen	2042	$self->reset; # polite request, might not happen
		2043	}
		2044
		2045	=item $maps = cf::map::tmp_maps
		2046
		2047	Returns an arrayref with all map paths of currently instantiated and saved
		2048	maps. May block.
		2049
		2050	=cut
		2051
		2052	sub tmp_maps() {
		2053	[
		2054	map {
		2055	utf8::decode $_;
		2056	/\.map$/
		2057	? normalise $_
		2058	: ()
		2059	} @{ aio_readdir $TMPDIR or [] }
		2060	]
		2061	}
		2062
		2063	=item $maps = cf::map::random_maps
		2064
		2065	Returns an arrayref with all map paths of currently instantiated and saved
		2066	random maps. May block.
		2067
		2068	=cut
		2069
		2070	sub random_maps() {
		2071	[
		2072	map {
		2073	utf8::decode $_;
		2074	/\.map$/
		2075	? normalise "?random/$_"
		2076	: ()
		2077	} @{ aio_readdir $RANDOMDIR or [] }
		2078	]
1558	}	2079	}
1559		2080
1560	=item cf::map::unique_maps	2081	=item cf::map::unique_maps
1561		2082
1562	Returns an arrayref of paths of all shared maps that have	2083	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2084	instantiated unique items. May block.
1564		2085
1565	=cut	2086	=cut
1566		2087
1567	sub unique_maps() {	2088	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2089	[
1569	or return;	2090	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2091	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	2092	/\.map$/
1579	push @paths, $_;	2093	? normalise $_
		2094	: ()
		2095	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2096	]
1581
1582	\@paths
1583	}	2097	}
1584		2098
1585	package cf;	2099	package cf;
1586		2100
1587	=back	2101	=back
…		…
1633		2147
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2148	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2149
1636	if ($self->{record_replies}) {	2150	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2151	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2152
1638	} else {	2153	} else {
		2154	my $pl = $self->contr;
		2155
		2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2157	my $diag = $pl->{npc_dialog};
		2158	$diag->{pl}->ext_reply (
		2159	$diag->{id},
		2160	msgtype => "reply",
		2161	msg => $diag->{pl}->expand_cfpod ($msg),
		2162	add_topics => []
		2163	);
		2164
		2165	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2166	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2167	$self->message ($msg, $flags);
		2168	}
1641	}	2169	}
1642	}	2170	}
1643		2171
1644	=item $player_object->may ("access")	2172	=item $player_object->may ("access")
1645		2173
…		…
1678	=cut	2206	=cut
1679		2207
1680	sub link_map {	2208	sub link_map {
1681	unless ($LINK_MAP) {	2209	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2210	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2211	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2212	$LINK_MAP->load;
1685	}	2213	}
1686		2214
1687	$LINK_MAP	2215	$LINK_MAP
1688	}	2216	}
…		…
1693	$self->deactivate_recursive;	2221	$self->deactivate_recursive;
1694		2222
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2223	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2224
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2226	if $self->map && $self->map->{path} ne "{link}";
1699		2227
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2229	}
1702		2230
1703	sub cf::object::player::leave_link {	2231	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2232	my ($self, $map, $x, $y) = @_;
		2233
		2234	return unless $self->contr->active;
1705		2235
1706	my $link_pos = delete $self->{_link_pos};	2236	my $link_pos = delete $self->{_link_pos};
1707		2237
1708	unless ($map) {	2238	unless ($map) {
1709	# restore original map position	2239	# restore original map position
…		…
1727	$map->load;	2257	$map->load;
1728	$map->load_diag;	2258	$map->load_diag;
1729		2259
1730	return unless $self->contr->active;	2260	return unless $self->contr->active;
1731	$self->activate_recursive;	2261	$self->activate_recursive;
		2262
		2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2264	$self->enter_map ($map, $x, $y);
1733	}	2265	}
1734		2266
1735	cf::player->attach (	2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2268
1739	# abort map switching before logout	2269	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2270	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2271	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2272	the new (success) or old (failed) map position. In either case, $done will
1743	};	2273	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2274
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)
1768
1769	=cut	2275	=cut
		2276
		2277	our $GOTOGEN;
1770		2278
1771	sub cf::object::player::goto {	2279	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2280	my ($self, $path, $x, $y, $check, $done) = @_;
		2281
		2282	# do generation counting so two concurrent goto's will be executed in-order
		2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2284
1774	$self->enter_link;	2285	$self->enter_link;
1775		2286
1776	(async {	2287	(async {
		2288	my $map = eval {
1777	my $map = cf::map::find $path;	2289	my $map = cf::map::find $path;
		2290
		2291	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2292	$map = $map->customise_for ($self);
1779		2293	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2294	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	}
1784		2297
		2298	$map
		2299	};
		2300
		2301	if ($@) {
		2302	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2303	LOG llevError | logBacktrace, Carp::longmess $@;
		2304	}
		2305
		2306	if ($gen == $self->{_goto_generation}) {
		2307	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2308	$self->leave_link ($map, $x, $y);
		2309	}
		2310
		2311	$done->() if $done;
1786	})->prio (1);	2312	})->prio (1);
1787	}	2313	}
1788		2314
1789	=item $player_object->enter_exit ($exit_object)	2315	=item $player_object->enter_exit ($exit_object)
1790		2316
…		…
1792		2318
1793	sub parse_random_map_params {	2319	sub parse_random_map_params {
1794	my ($spec) = @_;	2320	my ($spec) = @_;
1795		2321
1796	my $rmp = { # defaults	2322	my $rmp = { # defaults
1797	xsize => 10,	2323	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2324	ysize => (cf::rndm 15, 40),
		2325	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2326	#layout => string,
1799	};	2327	};
1800		2328
1801	for (split /\n/, $spec) {	2329	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2330	my ($k, $v) = split /\s+/, $_, 2;
1803		2331
…		…
1807	$rmp	2335	$rmp
1808	}	2336	}
1809		2337
1810	sub prepare_random_map {	2338	sub prepare_random_map {
1811	my ($exit) = @_;	2339	my ($exit) = @_;
		2340
		2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2342
1813	# all this does is basically replace the /! path by	2343	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2344	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2345	# that depends on the exit object
1816		2346
1817	my $rmp = parse_random_map_params $exit->msg;	2347	my $rmp = parse_random_map_params $exit->msg;
1818		2348
1819	if ($exit->map) {	2349	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2350	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2351	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2352	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2353	$rmp->{origin_y} = $exit->y;
1824	}	2354	}
1825		2355
1826	$rmp->{random_seed} ||= $exit->random_seed;	2356	$rmp->{random_seed} ||= $exit->random_seed;
1827		2357
1828	my $data = cf::to_json $rmp;	2358	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2359	my $md5 = Digest::MD5::md5_hex $data;
		2360	my $meta = "$RANDOMDIR/$md5.meta";
1830		2361
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2363	aio_write $fh, 0, (length $data), $data, 0;
		2364	undef $fh;
		2365	aio_rename "$meta~", $meta;
1833		2366
1834	$exit->slaying ("?random/$md5");	2367	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2368	$exit->msg (undef);
1836	}	2369	}
1837	}	2370	}
…		…
1839	sub cf::object::player::enter_exit {	2372	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2373	my ($self, $exit) = @_;
1841		2374
1842	return unless $self->type == cf::PLAYER;	2375	return unless $self->type == cf::PLAYER;
1843		2376
		2377	if ($exit->slaying eq "/!") {
		2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2379	# the problem is that $exit might not survive long enough
		2380	# so it needs to be done right now, right here
		2381	cf::sync_job { prepare_random_map $exit };
		2382	}
		2383
		2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2385	my $hp = $exit->stats->hp;
		2386	my $sp = $exit->stats->sp;
		2387
1844	$self->enter_link;	2388	$self->enter_link;
		2389
		2390	# if exit is damned, update players death & WoR home-position
		2391	$self->contr->savebed ($slaying, $hp, $sp)
		2392	if $exit->flag (FLAG_DAMNED);
1845		2393
1846	(async {	2394	(async {
1847	$self->deactivate_recursive; # just to be sure	2395	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2396	unless (eval {
1849	prepare_random_map $exit	2397	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2398
1855	1;	2399	1;
1856	}) {	2400	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2401	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	2402	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2403	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2404	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2405
1862	warn "ERROR in enter_exit: $@";	2406	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2407	$self->leave_link;
1864	}	2408	}
1865	})->prio (1);	2409	})->prio (1);
…		…
1878		2422
1879	sub cf::client::send_drawinfo {	2423	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2424	my ($self, $text, $flags) = @_;
1881		2425
1882	utf8::encode $text;	2426	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2428	}
1885		2429
		2430	=item $client->send_msg ($color, $type, $msg, [extra...])
		2431
		2432	Send a drawinfo or msg packet to the client, formatting the msg for the
		2433	client if neccessary. C<$type> should be a string identifying the type of
		2434	the message, with C<log> being the default. If C<$color> is negative, suppress
		2435	the message unless the client supports the msg packet.
		2436
		2437	=cut
		2438
		2439	sub cf::client::send_msg {
		2440	my ($self, $color, $type, $msg, @extra) = @_;
		2441
		2442	$msg = $self->pl->expand_cfpod ($msg);
		2443
		2444	return unless @extra || length $msg;
		2445
		2446	if ($self->can_msg) {
		2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2448	} else {
		2449	# replace some tags by gcfclient-compatible ones
		2450	for ($msg) {
		2451	1 while
		2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2457	}
		2458
		2459	if ($color >= 0) {
		2460	if (0 && $msg =~ /\[/) {
		2461	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2462	} else {
		2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2464	$self->send_packet ("drawinfo $color $msg")
		2465	}
		2466	}
		2467	}
		2468	}
		2469
		2470	=item $client->ext_event ($type, %msg)
		2471
		2472	Sends an ext event to the client.
		2473
		2474	=cut
		2475
		2476	sub cf::client::ext_event($$%) {
		2477	my ($self, $type, %msg) = @_;
		2478
		2479	return unless $self->extcmd;
		2480
		2481	$msg{msgtype} = "event_$type";
		2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2483	}
1886		2484
1887	=item $success = $client->query ($flags, "text", \&cb)	2485	=item $success = $client->query ($flags, "text", \&cb)
1888		2486
1889	Queues a query to the client, calling the given callback with	2487	Queues a query to the client, calling the given callback with
1890	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2488	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1891	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2489	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1892		2490
1893	Queries can fail, so check the return code. Or don't, as queries will become	2491	Queries can fail, so check the return code. Or don't, as queries will
1894	reliable at some point in the future.	2492	become reliable at some point in the future.
1895		2493
1896	=cut	2494	=cut
1897		2495
1898	sub cf::client::query {	2496	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2497	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2505	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2506	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2507
1910	$self->send_packet ($self->{query_queue}[0][0])	2508	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2509	if @{ $self->{query_queue} } == 1;
		2510
		2511	1
1912	}	2512	}
1913		2513
1914	cf::client->attach (	2514	cf::client->attach (
		2515	on_connect => sub {
		2516	my ($ns) = @_;
		2517
		2518	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2519	},
1915	on_reply => sub {	2520	on_reply => sub {
1916	my ($ns, $msg) = @_;	2521	my ($ns, $msg) = @_;
1917		2522
1918	# this weird shuffling is so that direct followup queries	2523	# this weird shuffling is so that direct followup queries
1919	# get handled first	2524	# get handled first
1920	my $queue = delete $ns->{query_queue}	2525	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2526	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2527
1923	(shift @$queue)->[1]->($msg);	2528	(shift @$queue)->[1]->($msg);
		2529	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2530
1925	push @{ $ns->{query_queue} }, @$queue;	2531	push @{ $ns->{query_queue} }, @$queue;
1926		2532
1927	if (@{ $ns->{query_queue} } == @$queue) {	2533	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2534	if (@$queue) {
…		…
1930	} else {	2536	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2537	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2538	}
1933	}	2539	}
1934	},	2540	},
		2541	on_exticmd => sub {
		2542	my ($ns, $buf) = @_;
		2543
		2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2545
		2546	if (ref $msg) {
		2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2548	if (my %reply = $cb->($ns, $msg)) {
		2549	$reply{msgid} = $msg->{msgid};
		2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2551	}
		2552	}
		2553	} else {
		2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2555	}
		2556
		2557	cf::override;
		2558	},
1935	);	2559	);
1936		2560
1937	=item $client->async (\&cb)	2561	=item $client->async (\&cb)
1938		2562
1939	Create a new coroutine, running the specified callback. The coroutine will	2563	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986		2610
1987	# here we export the classes and methods available to script code	2611	# here we export the classes and methods available to script code
1988		2612
1989	=pod	2613	=pod
1990		2614
1991	The following fucntions and emthods are available within a safe environment:	2615	The following functions and methods are available within a safe environment:
1992		2616
1993	cf::object contr pay_amount pay_player map	2617	cf::object
		2618	contr pay_amount pay_player map x y force_find force_add
		2619	insert remove
		2620
1994	cf::object::player player	2621	cf::object::player
1995	cf::player peaceful	2622	player
1996	cf::map trigger	2623
		2624	cf::player
		2625	peaceful
		2626
		2627	cf::map
		2628	trigger
1997		2629
1998	=cut	2630	=cut
1999		2631
2000	for (	2632	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2634	insert remove)],
2002	["cf::object::player" => qw(player)],	2635	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	2636	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	2637	["cf::map" => qw(trigger)],
2005	) {	2638	) {
2006	no strict 'refs';	2639	no strict 'refs';
…		…
2077	=back	2710	=back
2078		2711
2079	=cut	2712	=cut
2080		2713
2081	#############################################################################	2714	#############################################################################
		2715	# the server's init and main functions
2082		2716
2083	=head2 EXTENSION DATABASE SUPPORT	2717	sub load_facedata($) {
		2718	my ($path) = @_;
2084		2719
2085	Crossfire maintains a very simple database for extension use. It can	2720	warn "loading facedata from $path\n";
2086	currently store anything that can be serialised using Storable, which
2087	excludes objects.
2088		2721
2089	The parameter C<$family> should best start with the name of the extension	2722	my $facedata;
2090	using it, it should be unique.	2723	0 < aio_load $path, $facedata
		2724	or die "$path: $!";
2091		2725
2092	=over 4	2726	$facedata = Coro::Storable::thaw $facedata;
2093		2727
2094	=item $hashref = cf::db_get $family	2728	$facedata->{version} == 2
		2729	or cf::cleanup "$path: version mismatch, cannot proceed.";
2095		2730
2096	Return a hashref for use by the extension C<$family>, which can be
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099
2100	=item $value = cf::db_get $family => $key
2101
2102	Returns a single value from the database
2103
2104	=item cf::db_put $family => $hashref
2105
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}	2731	{
		2732	my $faces = $facedata->{faceinfo};
2132		2733
2133	my $pid;	2734	while (my ($face, $info) = each %$faces) {
		2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2736	cf::face::set_visibility $idx, $info->{visibility};
		2737	cf::face::set_magicmap $idx, $info->{magicmap};
		2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2134		2740
2135	sub db_save() {	2741	cf::cede_to_tick;
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});
2155
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}
2160
2161	sub db_get($;$) {
2162	@_ >= 2
2163	? $DB->{$_[0]}{$_[1]}
2164	: ($DB->{$_[0]} ||= { })
2165	}
2166
2167	sub db_put($$;$) {
2168	if (@_ >= 3) {
2169	$DB->{$_[0]}{$_[1]} = $_[2];
2170	} else {
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175
2176	cf::global->attach (
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	2742	}
2181	);
2182	}
2183		2743
2184	#############################################################################	2744	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	2745	next unless $info->{smooth};
		2746	my $idx = cf::face::find $face
		2747	or next;
		2748	if (my $smooth = cf::face::find $info->{smooth}) {
		2749	cf::face::set_smooth $idx, $smooth;
		2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2751	} else {
		2752	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2753	}
		2754
		2755	cf::cede_to_tick;
		2756	}
		2757	}
		2758
		2759	{
		2760	my $anims = $facedata->{animinfo};
		2761
		2762	while (my ($anim, $info) = each %$anims) {
		2763	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2764	cf::cede_to_tick;
		2765	}
		2766
		2767	cf::anim::invalidate_all; # d'oh
		2768	}
		2769
		2770	{
		2771	# TODO: for gcfclient pleasure, we should give resources
		2772	# that gcfclient doesn't grok a >10000 face index.
		2773	my $res = $facedata->{resource};
		2774	my $enc = JSON::XS->new->utf8->canonical;
		2775
		2776	while (my ($name, $info) = each %$res) {
		2777	my $meta = $enc->encode ({
		2778	name => $name,
		2779	type => $info->{type},
		2780	copyright => $info->{copyright}, #TODO#
		2781	});
		2782
		2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2784
		2785	if ($name =~ /\.jpg$/) {
		2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2788	} else {
		2789	my $data = pack "(w/a*)*", $meta, $info->{data};
		2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2791
		2792	cf::face::set_type $idx, 1;
		2793	cf::face::set_data $idx, 0, $data, $chk;
		2794	}
		2795
		2796	cf::cede_to_tick;
		2797	}
		2798	}
		2799
		2800	1
		2801	}
		2802
		2803	sub reload_regions {
		2804	load_resource_file "$MAPDIR/regions"
		2805	or die "unable to load regions file\n";
		2806
		2807	for (cf::region::list) {
		2808	$_->{match} = qr/$_->{match}/
		2809	if exists $_->{match};
		2810	}
		2811	}
		2812
		2813	sub reload_facedata {
		2814	load_facedata "$DATADIR/facedata"
		2815	or die "unable to load facedata\n";
		2816	}
		2817
		2818	sub reload_archetypes {
		2819	load_resource_file "$DATADIR/archetypes"
		2820	or die "unable to load archetypes\n";
		2821	#d# NEED to laod twice to resolve forward references
		2822	# this really needs to be done in an extra post-pass
		2823	# (which needs to be synchronous, so solve it differently)
		2824	load_resource_file "$DATADIR/archetypes"
		2825	or die "unable to load archetypes\n";
		2826	}
		2827
		2828	sub reload_treasures {
		2829	load_resource_file "$DATADIR/treasures"
		2830	or die "unable to load treasurelists\n";
		2831	}
		2832
		2833	sub reload_resources {
		2834	warn "reloading resource files...\n";
		2835
		2836	reload_regions;
		2837	reload_facedata;
		2838	#reload_archetypes;#d#
		2839	reload_archetypes;
		2840	reload_treasures;
		2841
		2842	warn "finished reloading resource files\n";
		2843	}
		2844
		2845	sub init {
		2846	reload_resources;
		2847	}
2186		2848
2187	sub cfg_load {	2849	sub cfg_load {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	2850	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	2851	or return;
2190		2852
2191	local $/;	2853	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	2854	*CFG = YAML::Syck::Load <$fh>;
2193		2855
…		…
2207		2869
2208	sub main {	2870	sub main {
2209	# we must not ever block the main coroutine	2871	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	2872	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2873	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2874	(async {
2212	async { Event::one_event };	2875	Event::one_event;
		2876	})->prio (Coro::PRIO_MAX);
2213	};	2877	};
2214		2878
2215	cfg_load;	2879	cfg_load;
2216	db_load;	2880	db_init;
2217	load_extensions;	2881	load_extensions;
		2882
		2883	$TICK_WATCHER->start;
2218	Event::loop;	2884	Event::loop;
2219	}	2885	}
2220		2886
2221	#############################################################################	2887	#############################################################################
2222	# initialisation and cleanup	2888	# initialisation and cleanup
2223		2889
2224	# install some emergency cleanup handlers	2890	# install some emergency cleanup handlers
2225	BEGIN {	2891	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	2892	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	2893	Event->signal (
		2894	reentrant => 0,
2228	data => WF_AUTOCANCEL,	2895	data => WF_AUTOCANCEL,
2229	signal => $signal,	2896	signal => $signal,
		2897	prio => 0,
2230	cb => sub {	2898	cb => sub {
2231	cf::cleanup "SIG$signal";	2899	cf::cleanup "SIG$signal";
2232	},	2900	},
2233	);	2901	);
2234	}	2902	}
		2903	}
		2904
		2905	sub write_runtime {
		2906	my $runtime = "$LOCALDIR/runtime";
		2907
		2908	# first touch the runtime file to show we are still running:
		2909	# the fsync below can take a very very long time.
		2910
		2911	IO::AIO::aio_utime $runtime, undef, undef;
		2912
		2913	my $guard = cf::lock_acquire "write_runtime";
		2914
		2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2916	or return;
		2917
		2918	my $value = $cf::RUNTIME + 90 + 10;
		2919	# 10 is the runtime save interval, for a monotonic clock
		2920	# 60 allows for the watchdog to kill the server.
		2921
		2922	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2923	and return;
		2924
		2925	# always fsync - this file is important
		2926	aio_fsync $fh
		2927	and return;
		2928
		2929	# touch it again to show we are up-to-date
		2930	aio_utime $fh, undef, undef;
		2931
		2932	close $fh
		2933	or return;
		2934
		2935	aio_rename "$runtime~", $runtime
		2936	and return;
		2937
		2938	warn "runtime file written.\n";
		2939
		2940	1
2235	}	2941	}
2236		2942
2237	sub emergency_save() {	2943	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	2944	my $freeze_guard = cf::freeze_mainloop;
2239		2945
…		…
2256	my $map = $cf::MAP{$path} or next;	2962	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	2963	$map->valid or next;
2258	$map->save;	2964	$map->save;
2259	}	2965	}
2260	warn "end emergency map save\n";	2966	warn "end emergency map save\n";
		2967
		2968	warn "begin emergency database checkpoint\n";
		2969	BDB::db_env_txn_checkpoint $DB_ENV;
		2970	warn "end emergency database checkpoint\n";
2261	};	2971	};
2262		2972
2263	warn "leave emergency perl save\n";	2973	warn "leave emergency perl save\n";
2264	}	2974	}
2265		2975
		2976	sub post_cleanup {
		2977	my ($make_core) = @_;
		2978
		2979	warn Carp::longmess "post_cleanup backtrace"
		2980	if $make_core;
		2981	}
		2982
2266	sub reload() {	2983	sub do_reload_perl() {
2267	# can/must only be called in main	2984	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	2985	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	2986	warn "can only reload from main coroutine";
2270	return;	2987	return;
2271	}	2988	}
2272		2989
2273	warn "reloading...";	2990	warn "reloading...";
2274		2991
2275	warn "freezing server";	2992	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	2993
		2994	cf::sync_job {
		2995	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	2996	cf::emergency_save;
		2997	cf::write_runtime; # external watchdog should not bark
2278		2998
2279	warn "sync database to disk";	2999	warn "syncing database to disk";
2280	cf::db_sync;	3000	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3001
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	3002	# if anything goes wrong in here, we should simply crash as we already saved
2285		3003
2286	warn "cancel all watchers";	3004	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	3005	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	3006	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	3007	}
2290		3008
		3009	warn "flushing outstanding aio requests";
		3010	for (;;) {
		3011	BDB::flush;
		3012	IO::AIO::flush;
		3013	Coro::cede;
		3014	last unless IO::AIO::nreqs || BDB::nreqs;
		3015	warn "iterate...";
		3016	}
		3017
		3018	++$RELOAD;
		3019
2291	warn "cancel all extension coros";	3020	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	3021	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3022	%EXT_CORO = ();
2294		3023
2295	warn "remove commands";	3024	warn "removing commands";
2296	%COMMAND = ();	3025	%COMMAND = ();
2297		3026
2298	warn "remove ext commands";	3027	warn "removing ext/exti commands";
2299	%EXTCMD = ();	3028	%EXTCMD = ();
		3029	%EXTICMD = ();
2300		3030
2301	warn "unload/nuke all extensions";	3031	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3032	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3033	warn "... unloading $pkg";
2304		3034
2305	if (my $cb = $pkg->can ("unload")) {	3035	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3036	eval {
…		…
2311		3041
2312	warn "... nuking $pkg";	3042	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	3043	Symbol::delete_package $pkg;
2314	}	3044	}
2315		3045
2316	warn "unload all perl modules loaded from $LIBDIR";	3046	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3047	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3048	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3049
2320	warn "removing <$k>";	3050	warn "... unloading $k";
2321	delete $INC{$k};	3051	delete $INC{$k};
2322		3052
2323	$k =~ s/\.pm$//;	3053	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3054	$k =~ s/\//::/g;
2325		3055
…		…
2328	}	3058	}
2329		3059
2330	Symbol::delete_package $k;	3060	Symbol::delete_package $k;
2331	}	3061	}
2332		3062
2333	warn "get rid of safe::, as good as possible";	3063	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3064	Symbol::delete_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		3066
2337	warn "unload cf.pm \"a bit\"";	3067	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3068	delete $INC{"cf.pm"};
		3069	delete $INC{"cf/pod.pm"};
2339		3070
2340	# don't, removes xs symbols, too,	3071	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3072	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3073	#Symbol::delete_package __PACKAGE__;
2343		3074
		3075	warn "unload completed, starting to reload now";
		3076
2344	warn "reloading cf.pm";	3077	warn "reloading cf.pm";
2345	require cf;	3078	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3080
2348	warn "load config and database again";	3081	warn "loading config and database again";
2349	cf::cfg_load;	3082	cf::cfg_load;
2350	cf::db_load;
2351		3083
2352	warn "load extensions";	3084	warn "loading extensions";
2353	cf::load_extensions;	3085	cf::load_extensions;
2354		3086
2355	warn "reattach attachments to objects/players";	3087	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3088	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3089	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3090	reattach $_ for values %MAP;
2359	};	3091	warn "reattaching attachments to players";
		3092	reattach $_ for values %PLAYER;
2360		3093
2361	if ($@) {	3094	warn "leaving sync_job";
		3095
		3096	1
		3097	} or do {
2362	warn $@;	3098	warn $@;
2363	warn "error while reloading, exiting.";	3099	warn "error while reloading, exiting.";
2364	exit 1;	3100	exit 1;
2365	}	3101	};
2366		3102
2367	warn "reloaded";	3103	warn "reloaded";
2368	};	3104	};
2369		3105
		3106	our $RELOAD_WATCHER; # used only during reload
		3107
		3108	sub reload_perl() {
		3109	# doing reload synchronously and two reloads happen back-to-back,
		3110	# coro crashes during coro_state_free->destroy here.
		3111
		3112	$RELOAD_WATCHER ||= Event->timer (
		3113	reentrant => 0,
		3114	after => 0,
		3115	data => WF_AUTOCANCEL,
		3116	cb => sub {
		3117	do_reload_perl;
		3118	undef $RELOAD_WATCHER;
		3119	},
		3120	);
		3121	}
		3122
2370	register_command "reload" => sub {	3123	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3124	my ($who, $arg) = @_;
2372		3125
2373	if ($who->flag (FLAG_WIZ)) {	3126	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3127	$who->message ("reloading server.");
		3128	async { reload_perl };
2377	}	3129	}
2378	};	3130	};
2379		3131
2380	unshift @INC, $LIBDIR;	3132	unshift @INC, $LIBDIR;
2381		3133
		3134	my $bug_warning = 0;
		3135
		3136	our @WAIT_FOR_TICK;
		3137	our @WAIT_FOR_TICK_BEGIN;
		3138
		3139	sub wait_for_tick {
		3140	return unless $TICK_WATCHER->is_active;
		3141	return if $Coro::current == $Coro::main;
		3142
		3143	my $signal = new Coro::Signal;
		3144	push @WAIT_FOR_TICK, $signal;
		3145	$signal->wait;
		3146	}
		3147
		3148	sub wait_for_tick_begin {
		3149	return unless $TICK_WATCHER->is_active;
		3150	return if $Coro::current == $Coro::main;
		3151
		3152	my $signal = new Coro::Signal;
		3153	push @WAIT_FOR_TICK_BEGIN, $signal;
		3154	$signal->wait;
		3155	}
		3156
		3157	my $min = 1e6;#d#
		3158	my $avg = 10;
2382	$TICK_WATCHER = Event->timer (	3159	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	3160	reentrant => 0,
		3161	parked => 1,
2384	prio => 0,	3162	prio => 0,
2385	at => $NEXT_TICK || $TICK,	3163	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	3164	data => WF_AUTOCANCEL,
2387	cb => sub {	3165	cb => sub {
		3166	if ($Coro::current != $Coro::main) {
		3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3168	unless ++$bug_warning > 10;
		3169	return;
		3170	}
		3171
2388	$NOW = Event::time;	3172	$NOW = $tick_start = Event::time;
2389		3173
2390	cf::server_tick; # one server iteration	3174	cf::server_tick; # one server iteration
		3175
		3176	0 && sync_job {#d#
		3177	for(1..10) {
		3178	my $t = Event::time;
		3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3180	or die;
		3181
		3182	$map->width (50);
		3183	$map->height (50);
		3184	$map->alloc;
		3185	$map->_load_objects ("/tmp/x.map", 1);
		3186	my $t = Event::time - $t;
		3187
		3188	#next unless $t < 0.0013;#d#
		3189	if ($t < $min) {
		3190	$min = $t;
		3191	}
		3192	$avg = $avg * 0.99 + $t * 0.01;
		3193	}
		3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3195	exit 0;
		3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3197	};
		3198
2391	$RUNTIME += $TICK;	3199	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	3200	$NEXT_TICK += $TICK;
2393		3201
2394	$WAIT_FOR_TICK->broadcast;	3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3204	Coro::async_pool {
		3205	write_runtime
		3206	or warn "ERROR: unable to write runtime file: $!";
		3207	};
		3208	}
		3209
		3210	# my $AFTER = Event::time;
		3211	# warn $AFTER - $NOW;#d#
		3212
		3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3214	$sig->send;
		3215	}
		3216	while (my $sig = shift @WAIT_FOR_TICK) {
		3217	$sig->send;
		3218	}
		3219
		3220	$NOW = Event::time;
2396		3221
2397	# if we are delayed by four ticks or more, skip them all	3222	# if we are delayed by four ticks or more, skip them all
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		3224
2400	$TICK_WATCHER->at ($NEXT_TICK);	3225	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;	3226	$TICK_WATCHER->start;
		3227
		3228	$LOAD = ($NOW - $tick_start) / $TICK;
		3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3230
		3231	_post_tick;
		3232
		3233
2402	},	3234	},
2403	);	3235	);
2404		3236
		3237	{
2405	IO::AIO::max_poll_time $TICK * 0.2;	3238	BDB::max_poll_time $TICK * 0.1;
2406		3239	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	3240	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	3241	fd => BDB::poll_fileno,
2409	poll => 'r',	3242	poll => 'r',
2410	prio => 5,	3243	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	3244	data => WF_AUTOCANCEL,
2417	after => 0,	3245	cb => \&BDB::poll_cb,
2418	interval => 10,	3246	);
2419	cb => sub {	3247	BDB::min_parallel 8;
2420	(Coro::unblock_sub {	3248
2421	write_runtime	3249	BDB::set_sync_prepare {
2422	or warn "ERROR: unable to write runtime file: $!";	3250	my $status;
		3251	my $current = $Coro::current;
		3252	(
		3253	sub {
		3254	$status = $!;
		3255	$current->ready; undef $current;
		3256	},
		3257	sub {
		3258	Coro::schedule while defined $current;
		3259	$! = $status;
		3260	},
		3261	)
		3262	};
		3263
		3264	unless ($DB_ENV) {
		3265	$DB_ENV = BDB::db_env_create;
		3266
		3267	cf::sync_job {
		3268	eval {
		3269	BDB::db_env_open
		3270	$DB_ENV,
		3271	$BDBDIR,
		3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3274	0666;
		3275
		3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3277
		3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3279	$DB_ENV->set_lk_detect;
		3280	};
		3281
		3282	cf::cleanup "db_env_open(db): $@" if $@;
2423	})->();	3283	};
2424	},	3284	}
2425	);	3285	}
		3286
		3287	{
		3288	IO::AIO::min_parallel 8;
		3289
		3290	undef $Coro::AIO::WATCHER;
		3291	IO::AIO::max_poll_time $TICK * 0.1;
		3292	$AIO_POLL_WATCHER = Event->io (
		3293	reentrant => 0,
		3294	data => WF_AUTOCANCEL,
		3295	fd => IO::AIO::poll_fileno,
		3296	poll => 'r',
		3297	prio => 6,
		3298	cb => \&IO::AIO::poll_cb,
		3299	);
		3300	}
		3301
		3302	my $_log_backtrace;
		3303
		3304	sub _log_backtrace {
		3305	my ($msg, @addr) = @_;
		3306
		3307	$msg =~ s/\n//;
		3308
		3309	# limit the # of concurrent backtraces
		3310	if ($_log_backtrace < 2) {
		3311	++$_log_backtrace;
		3312	async {
		3313	my @bt = fork_call {
		3314	@addr = map { sprintf "%x", $_ } @addr;
		3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3317	or die "addr2line: $!";
		3318
		3319	my @funcs;
		3320	my @res = <$fh>;
		3321	chomp for @res;
		3322	while (@res) {
		3323	my ($func, $line) = splice @res, 0, 2, ();
		3324	push @funcs, "[$func] $line";
		3325	}
		3326
		3327	@funcs
		3328	};
		3329
		3330	LOG llevInfo, "[ABT] $msg\n";
		3331	LOG llevInfo, "[ABT] $_\n" for @bt;
		3332	--$_log_backtrace;
		3333	};
		3334	} else {
		3335	LOG llevInfo, "[ABT] $msg\n";
		3336	LOG llevInfo, "[ABT] [suppressed]\n";
		3337	}
		3338	}
		3339
		3340	# load additional modules
		3341	use cf::pod;
2426		3342
2427	END { cf::emergency_save }	3343	END { cf::emergency_save }
2428		3344
2429	1	3345	1
2430		3346

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