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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.219 by root, Sat Feb 17 03:19:44 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 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
20	use BDB ();	26	use BDB ();
21	use Data::Dumper;	27	use Data::Dumper;
22	use Digest::MD5;	28	use Digest::MD5;
23	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
24	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	32	use Time::HiRes;
27	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
28		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		41
31	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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		43
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
37		46
38	$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
39		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
40	our %COMMAND = ();	51	our %COMMAND = ();
41	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
42		53
43	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
47		59
		60	our $RELOAD; # number of reloads so far
48	our @EVENT;	61	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		62
51	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(!)
52	our $TICK_WATCHER;	76	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	79	our $NEXT_TICK;
56	our $NOW;	80	our $NOW;
…		…
65	our $RUNTIME;	89	our $RUNTIME;
66		90
67	our %PLAYER; # all users	91	our %PLAYER; # all users
68	our %MAP; # all maps	92	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		94
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		101
79	binmode STDOUT;	102	binmode STDOUT;
80	binmode STDERR;	103	binmode STDERR;
81		104
82	# read virtual server time, if available	105	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
87	}	110	}
88		111
89	mkdir cf::localdir;	112	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		114
96	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
97		116
98	sub cf::map::normalise;	117	sub cf::map::normalise;
99		118
…		…
110	=item $cf::RUNTIME	129	=item $cf::RUNTIME
111		130
112	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
113	every server tick.	132	every server tick.
114		133
115	=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
116		137
117	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		142
120	=item $cf::NOW	143	=item $cf::NOW
121		144
122	The time of the last (current) server tick.	145	The time of the last (current) server tick.
123		146
124	=item $cf::TICK	147	=item $cf::TICK
125		148
126	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.
127		160
128	=item %cf::CFG	161	=item %cf::CFG
129		162
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	164	from wherever your confdir points to.
132		165
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		167
135	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
136	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
137	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.
138	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.
139		177
140	=back	178	=back
141		179
142	=cut	180	=cut
143		181
144	BEGIN {	182	BEGIN {
145	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	184	my $msg = join "", @_;
147	utf8::encode $msg;
148		185
149	$msg .= "\n"	186	$msg .= "\n"
150	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
151		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
152	LOG llevError, $msg;	192	LOG llevError, $msg;
153	};	193	};
154	}	194	}
155		195
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		203
163	# 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
164	# within the Safe compartment.	205	# within the Safe compartment.
165	for my $pkg (qw(	206	for my $pkg (qw(
166	cf::global cf::attachable	207	cf::global cf::attachable
…		…
174	}	215	}
175		216
176	$Event::DIED = sub {	217	$Event::DIED = sub {
177	warn "error in event callback: @_";	218	warn "error in event callback: @_";
178	};	219	};
		220
		221	#############################################################################
179		222
180	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
181		224
182	=over 4	225	=over 4
183		226
…		…
202	$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;
203	$d	246	$d
204	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
205	}	248	}
206		249
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
210		251
211	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
212		253
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
221		255
222	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
223		257
224	=cut	258	=cut
225		259
226	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
228	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
230		264
231	=item cf::lock_wait $string	265	=item cf::lock_wait $string
232		266
233	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
234		268
…		…
240	returned.	274	returned.
241		275
242	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
243	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
244		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
245	=cut	283	=cut
246		284
247	our %LOCK;	285	our %LOCK;
248		286
249	sub lock_wait($) {	287	sub lock_wait($) {
…		…
266		304
267	Coro::guard {	305	Coro::guard {
268	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
270	}	308	}
		309	}
		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
271	}	315	}
272		316
273	sub freeze_mainloop {	317	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
275		319
…		…
290		334
291	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
292		336
293	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
294		338
295	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
298		343
299	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
302	fast or be very important.	347	fast or be very important.
…		…
305		350
306	sub sync_job(&) {	351	sub sync_job(&) {
307	my ($job) = @_;	352	my ($job) = @_;
308		353
309	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
310	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
312		359
313	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
325		372
326	while ($busy) {	373	while ($busy) {
327	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
328	}	375	}
329		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
330	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
331	} else {	385	} else {
332	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
333		387
334	$job->()	388	$job->()
…		…
353	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
354		408
355	$coro	409	$coro
356	}	410	}
357		411
358	sub write_runtime {	412	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		413
361	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.
362		418
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	419	=cut
364	or return;
365		420
366	my $value = $cf::RUNTIME + 90 + 10;	421	sub _store_scalar {
367	# 10 is the runtime save interval, for a monotonic clock	422	open my $fh, ">", \my $buf
368	# 60 allows for the watchdog to kill the server.	423	or die "fork_call: cannot open fh-to-buf in child : $!";
369		424	Storable::store_fd $_[0], $fh;
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
371	and return;
372
373	# always fsync - this file is important
374	aio_fsync $fh
375	and return;
376
377	close $fh	425	close $fh;
378	or return;
379		426
380	aio_rename "$runtime~", $runtime	427	$buf
381	and return;	428	}
382		429
		430	sub fork_call(&@) {
		431	my ($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 $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
383	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		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 });
384	}	599	}
385		600
386	=back	601	=back
387		602
388	=cut	603	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
397		612
398	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>
399	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
400	crossfire+).	615	Crossfire TRT).
401		616
402	=over 4	617	=over 4
403		618
404	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
405		620
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
569		784
570	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		789
575	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	791	my $pkg = shift @arg;
577		792
578	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
608	}	823	}
609		824
610	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
611	} else {	826	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	828	}
614		829
615	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
616	}	831	}
617		832
…		…
619	if (ref $_[0]) {	834	if (ref $_[0]) {
620	_object_attach @_;	835	_object_attach @_;
621	} else {	836	} else {
622	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
623	}	838	}
		839	_recalc_want;
624	};	840	};
625		841
626	# all those should be optimised	842	# all those should be optimised
627	sub cf::attachable::detach {	843	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
632	reattach ($obj);	848	reattach ($obj);
633	} else {	849	} else {
634	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
635	}	851	}
		852	_recalc_want;
636	};	853	};
637		854
638	sub cf::attachable::attached {	855	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
640		857
…		…
655	";	872	";
656	die if $@;	873	die if $@;
657	}	874	}
658		875
659	our $override;	876	our $override;
660	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?
661		878
662	sub override {	879	sub override {
663	$override = 1;	880	$override = 1;
664	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
665	}	882	}
666		883
667	sub do_invoke {	884	sub do_invoke {
668	my $event = shift;	885	my $event = shift;
669	my $callbacks = shift;	886	my $callbacks = shift;
670		887
671	@invoke_results = ();	888	@INVOKE_RESULTS = ();
672		889
673	local $override;	890	local $override;
674		891
675	for (@$callbacks) {	892	for (@$callbacks) {
676	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
693		910
694	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
695		912
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		916
700	=back	917	=back
701		918
702	=cut	919	=cut
703		920
…		…
813	or return;	1030	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	1031	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1032	}
816		1033
817	warn sprintf "loading %s (%d)\n",	1034	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1035	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	1036	return ($data, $av);
820	}	1037	}
		1038
		1039	=head2 COMMAND CALLBACKS
		1040
		1041	=over 4
		1042
		1043	=cut
821		1044
822	#############################################################################	1045	#############################################################################
823	# command handling &c	1046	# command handling &c
824		1047
825	=item cf::register_command $name => \&callback($ob,$args);	1048	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1061	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1062	}
840		1063
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1064	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1065
843	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.
844		1071
845	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
846	called.	1073	called.
847		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
848	=cut	1086	=cut
849		1087
850	sub register_extcmd {	1088	sub register_extcmd {
851	my ($name, $cb) = @_;	1089	my ($name, $cb) = @_;
852		1090
853	$EXTCMD{$name} = $cb;	1091	$EXTCMD{$name} = $cb;
		1092	}
		1093
		1094	sub register_exticmd {
		1095	my ($name, $cb) = @_;
		1096
		1097	$EXTICMD{$name} = $cb;
854	}	1098	}
855		1099
856	cf::player->attach (	1100	cf::player->attach (
857	on_command => sub {	1101	on_command => sub {
858	my ($pl, $name, $params) = @_;	1102	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1111	cf::override;
868	},	1112	},
869	on_extcmd => sub {	1113	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1114	my ($pl, $buf) = @_;
871		1115
872	my $msg = eval { from_json $buf };	1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1117
874	if (ref $msg) {	1118	if (ref $msg) {
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
876	if (my %reply = $cb->($pl, $msg)) {	1120	if (my %reply = $cb->($pl, $msg)) {
877	$pl->ext_reply ($msg->{msgid}, %reply);	1121	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
883		1127
884	cf::override;	1128	cf::override;
885	},	1129	},
886	);	1130	);
887		1131
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1132	sub load_extensions {
		1133	cf::sync_job {
		1134	my %todo;
		1135
923	for my $ext (<$LIBDIR/*.ext>) {	1136	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1137	next unless -r $path;
925	eval {	1138
926	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;
927	1	1196	}
928	} or warn "$ext not loaded: $@";	1197
		1198	skip:
		1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1200	unless $progress;
		1201	}
929	}	1202	};
930	}	1203	}
931		1204
932	#############################################################################	1205	#############################################################################
933		1206
		1207	=back
		1208
934	=head2 CORE EXTENSIONS	1209	=head2 CORE EXTENSIONS
935		1210
936	Functions and methods that extend core crossfire objects.	1211	Functions and methods that extend core crossfire objects.
937		1212
938	=cut	1213	=cut
…		…
950	Returns the given player object, loading it if necessary (might block).	1225	Returns the given player object, loading it if necessary (might block).
951		1226
952	=cut	1227	=cut
953		1228
954	sub playerdir($) {	1229	sub playerdir($) {
955	cf::localdir	1230	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1231	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1232	}
961		1233
962	sub path($) {	1234	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1235	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1236
965	(playerdir $login) . "/$login.pl"	1237	(playerdir $login) . "/playerdata"
966	}	1238	}
967		1239
968	sub find_active($) {	1240	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1241	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1242	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1255	my $login = $_[0];
984		1256
985	my $guard = cf::lock_acquire "user_find:$login";	1257	my $guard = cf::lock_acquire "user_find:$login";
986		1258
987	$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
988	my $pl = load_pl path $login	1267	my $pl = load_pl path $login
989	or return;	1268	or return;
990	$cf::PLAYER{$login} = $pl	1269	$cf::PLAYER{$login} = $pl
991	}	1270	}
992	}	1271	}
…		…
1029		1308
1030	=cut	1309	=cut
1031		1310
1032	sub quit_character {	1311	sub quit_character {
1033	my ($pl) = @_;	1312	my ($pl) = @_;
		1313
		1314	my $name = $pl->ob->name;
1034		1315
1035	$pl->{deny_save} = 1;	1316	$pl->{deny_save} = 1;
1036	$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
1037		1318
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1324	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1325	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1326	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1327	delete $cf::PLAYER{$pl->ob->name};
1047	$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
1048	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;
1049	}	1350	}
1050		1351
1051	=item cf::player::list_logins	1352	=item cf::player::list_logins
1052		1353
1053	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
1054	while and may block, so not sync_job-capable, ever.	1355	while and may block, so not sync_job-capable, ever.
1055		1356
1056	=cut	1357	=cut
1057		1358
1058	sub list_logins {	1359	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1360	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1361	or return [];
1061		1362
1062	my @logins;	1363	my @logins;
1063		1364
1064	for my $login (@$dirs) {	1365	for my $login (@$dirs) {
…		…
1099	}	1400	}
1100		1401
1101	\@paths	1402	\@paths
1102	}	1403	}
1103		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
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1455	=item $player->ext_reply ($msgid, %msg)
1105		1456
1106	Sends an ext reply to the player.	1457	Sends an ext reply to the player.
1107		1458
1108	=cut	1459	=cut
1109		1460
1110	sub ext_reply($$$%) {	1461	sub ext_reply($$%) {
1111	my ($self, $id, %msg) = @_;	1462	my ($self, $id, %msg) = @_;
1112		1463
1113	$msg{msgid} = $id;	1464	$msg{msgid} = $id;
1114		1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1466	}
1117		1467
1118	package cf;	1468	=item $player->ext_event ($type, %msg)
		1469
		1470	Sends an ext event to the client.
		1471
		1472	=cut
		1473
		1474	sub ext_event($$%) {
		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	$match
		1507	}
1119		1508
1120	=back	1509	=back
1121
1122		1510
1123	=head3 cf::map	1511	=head3 cf::map
1124		1512
1125	=over 4	1513	=over 4
1126		1514
…		…
1181	my ($self, $merge) = @_;	1569	my ($self, $merge) = @_;
1182		1570
1183	# we have to keep some variables in memory intact	1571	# we have to keep some variables in memory intact
1184	local $self->{path};	1572	local $self->{path};
1185	local $self->{load_path};	1573	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1574
1189	$self->SUPER::thawer_merge ($merge);	1575	$self->SUPER::thawer_merge ($merge);
1190	}	1576	}
1191		1577
1192	sub normalise {	1578	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1625	$self->init; # pass $1 etc.
1240	return $self;	1626	return $self;
1241	}	1627	}
1242	}	1628	}
1243		1629
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1630	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1631	()
1246	}	1632	}
1247		1633
1248	sub init {	1634	sub init {
1249	my ($self) = @_;	1635	my ($self) = @_;
…		…
1264		1650
1265	# the original (read-only) location	1651	# the original (read-only) location
1266	sub load_path {	1652	sub load_path {
1267	my ($self) = @_;	1653	my ($self) = @_;
1268		1654
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1655	"$MAPDIR/$self->{path}.map"
1270	}	1656	}
1271		1657
1272	# the temporary/swap location	1658	# the temporary/swap location
1273	sub save_path {	1659	sub save_path {
1274	my ($self) = @_;	1660	my ($self) = @_;
1275		1661
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1663	"$TMPDIR/$path.map"
1278	}	1664	}
1279		1665
1280	# the unique path, undef == no special unique path	1666	# the unique path, undef == no special unique path
1281	sub uniq_path {	1667	sub uniq_path {
1282	my ($self) = @_;	1668	my ($self) = @_;
1283		1669
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1671	"$UNIQUEDIR/$path"
1286	}	1672	}
1287		1673
1288	# and all this just because we cannot iterate over	1674	# and all this just because we cannot iterate over
1289	# all maps in C++...	1675	# all maps in C++...
1290	sub change_all_map_light {	1676	sub change_all_map_light {
1291	my ($change) = @_;	1677	my ($change) = @_;
1292		1678
1293	$_->change_map_light ($change)	1679	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1680	for grep $_->outdoor, values %cf::MAP;
		1681	}
		1682
		1683	sub decay_objects {
		1684	my ($self) = @_;
		1685
		1686	return if $self->{deny_reset};
		1687
		1688	$self->do_decay_objects;
1295	}	1689	}
1296		1690
1297	sub unlink_save {	1691	sub unlink_save {
1298	my ($self) = @_;	1692	my ($self) = @_;
1299		1693
…		…
1357	$self->load_header_orig	1751	$self->load_header_orig
1358	or return;	1752	or return;
1359	$self->prepare_orig;	1753	$self->prepare_orig;
1360	}	1754	}
1361		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;
		1761
1362	1	1762	1
1363	}	1763	}
1364		1764
1365	sub find;	1765	sub find;
1366	sub find {	1766	sub find {
…		…
1378	$map->{last_save} = $cf::RUNTIME;	1778	$map->{last_save} = $cf::RUNTIME;
1379		1779
1380	$map->load_header	1780	$map->load_header
1381	or return;	1781	or return;
1382		1782
1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384	# doing this can freeze the server in a sync job, obviously	1784	# doing this can freeze the server in a sync job, obviously
1385	#$cf::WAIT_FOR_TICK->wait;	1785	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1786	$map->reset;
1387	undef $guard;	1787	undef $guard;
1388	return find $path;	1788	return find $path;
…		…
1399	my ($self) = @_;	1799	my ($self) = @_;
1400		1800
1401	local $self->{deny_reset} = 1; # loading can take a long time	1801	local $self->{deny_reset} = 1; # loading can take a long time
1402		1802
1403	my $path = $self->{path};	1803	my $path = $self->{path};
		1804
		1805	{
1404	my $guard = cf::lock_acquire "map_load:$path";	1806	my $guard = cf::lock_acquire "map_load:$path";
1405		1807
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1808	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1809
1408	$self->in_memory (cf::MAP_LOADING);	1810	$self->in_memory (cf::MAP_LOADING);
1409		1811
1410	$self->alloc;	1812	$self->alloc;
1411		1813
1412	$self->pre_load;	1814	$self->pre_load;
1413
1414	$self->_load_objects ($self->{load_path}, 1)
1415	or return;
1416
1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1418	if delete $self->{load_original};
1419
1420	if (my $uniq = $self->uniq_path) {
1421	utf8::encode $uniq;
1422	if (aio_open $uniq, O_RDONLY, 0) {
1423	$self->clear_unique_items;
1424	$self->_load_objects ($uniq, 0);
1425	}
1426	}
1427
1428	Coro::cede;
1429
1430	# now do the right thing for maps
1431	$self->link_multipart_objects;
1432
1433	unless ($self->{deny_activate}) {
1434	$self->decay_objects;
1435	$self->fix_auto_apply;
1436	$self->update_buttons;
1437	Coro::cede;	1815	Coro::cede;
1438	$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;
1439	$self->difficulty ($self->estimate_difficulty)	1834	$self->difficulty ($self->estimate_difficulty)
1440	unless $self->difficulty;	1835	unless $self->difficulty;
1441	Coro::cede;	1836	Coro::cede;
		1837
		1838	unless ($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;
1442	$self->activate;	1845	$self->activate;
		1846	}
		1847
		1848	$self->in_memory (cf::MAP_IN_MEMORY);
1443	}	1849	}
1444		1850
1445	$self->post_load;	1851	$self->post_load;
1446
1447	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1852	}
1449		1853
1450	sub customise_for {	1854	sub customise_for {
1451	my ($self, $ob) = @_;	1855	my ($self, $ob) = @_;
1452		1856
1453	return find "~" . $ob->name . "/" . $self->{path}	1857	return find "~" . $ob->name . "/" . $self->{path}
1454	if $self->per_player;	1858	if $self->per_player;
		1859
		1860	# return find "?party/" . $ob->name . "/" . $self->{path}
		1861	# if $self->per_party;
1455		1862
1456	$self	1863	$self
1457	}	1864	}
1458		1865
1459	# 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
…		…
1506		1913
1507	undef $MAP_PREFETCH{$path};	1914	undef $MAP_PREFETCH{$path};
1508	$MAP_PREFETCHER ||= cf::async {	1915	$MAP_PREFETCHER ||= cf::async {
1509	while (%MAP_PREFETCH) {	1916	while (%MAP_PREFETCH) {
1510	for my $path (keys %MAP_PREFETCH) {	1917	for my $path (keys %MAP_PREFETCH) {
1511	my $map = find $path	1918	if (my $map = find $path) {
1512	or next;
1513	$map->load;	1919	$map->load;
		1920	}
1514		1921
1515	delete $MAP_PREFETCH{$path};	1922	delete $MAP_PREFETCH{$path};
1516	}	1923	}
1517	}	1924	}
1518	undef $MAP_PREFETCHER;	1925	undef $MAP_PREFETCHER;
…		…
1570		1977
1571	sub reset_at {	1978	sub reset_at {
1572	my ($self) = @_;	1979	my ($self) = @_;
1573		1980
1574	# TODO: safety, remove and allow resettable per-player maps	1981	# TODO: safety, remove and allow resettable per-player maps
1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1576	return 1e99 if $self->{deny_reset};	1982	return 1e99 if $self->{deny_reset};
1577		1983
1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1984	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1985	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1580		1986
…		…
1591	my ($self) = @_;	1997	my ($self) = @_;
1592		1998
1593	my $lock = cf::lock_acquire "map_data:$self->{path}";	1999	my $lock = cf::lock_acquire "map_data:$self->{path}";
1594		2000
1595	return if $self->players;	2001	return if $self->players;
1596	return if $self->isa ("ext::map_per_player");#d#
1597		2002
1598	warn "resetting map ", $self->path;#d#	2003	warn "resetting map ", $self->path;
1599		2004
1600	$self->in_memory (cf::MAP_SWAPPED);	2005	$self->in_memory (cf::MAP_SWAPPED);
1601		2006
1602	# need to save uniques path	2007	# need to save uniques path
1603	unless ($self->{deny_save}) {	2008	unless ($self->{deny_save}) {
…		…
1635	$cf::MAP{$self->path} = $self;	2040	$cf::MAP{$self->path} = $self;
1636		2041
1637	$self->reset; # polite request, might not happen	2042	$self->reset; # polite request, might not happen
1638	}	2043	}
1639		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	]
		2079	}
		2080
1640	=item cf::map::unique_maps	2081	=item cf::map::unique_maps
1641		2082
1642	Returns an arrayref of paths of all shared maps that have	2083	Returns an arrayref of paths of all shared maps that have
1643	instantiated unique items. May block.	2084	instantiated unique items. May block.
1644		2085
1645	=cut	2086	=cut
1646		2087
1647	sub unique_maps() {	2088	sub unique_maps() {
1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2089	[
1649	or return;	2090	map {
1650
1651	my @paths;
1652
1653	for (@$files) {
1654	utf8::decode $_;	2091	utf8::decode $_;
1655	next if /\.pst$/;	2092	/\.map$/
1656	next unless /^$PATH_SEP/o;	2093	? normalise $_
1657		2094	: ()
1658	push @paths, cf::map::normalise $_;	2095	} @{ aio_readdir $UNIQUEDIR or [] }
1659	}	2096	]
1660
1661	\@paths
1662	}	2097	}
1663		2098
1664	package cf;	2099	package cf;
1665		2100
1666	=back	2101	=back
…		…
1712		2147
1713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2148	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1714		2149
1715	if ($self->{record_replies}) {	2150	if ($self->{record_replies}) {
1716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2151	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2152
1717	} 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 {
1718	$msg = $npc->name . " says: $msg" if $npc;	2166	$msg = $npc->name . " says: $msg" if $npc;
1719	$self->message ($msg, $flags);	2167	$self->message ($msg, $flags);
		2168	}
1720	}	2169	}
1721	}	2170	}
1722		2171
1723	=item $player_object->may ("access")	2172	=item $player_object->may ("access")
1724		2173
…		…
1772	$self->deactivate_recursive;	2221	$self->deactivate_recursive;
1773		2222
1774	return if UNIVERSAL::isa $self->map, "ext::map_link";	2223	return if UNIVERSAL::isa $self->map, "ext::map_link";
1775		2224
1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777	if $self->map;	2226	if $self->map && $self->map->{path} ne "{link}";
1778		2227
1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1780	}	2229	}
1781		2230
1782	sub cf::object::player::leave_link {	2231	sub cf::object::player::leave_link {
1783	my ($self, $map, $x, $y) = @_;	2232	my ($self, $map, $x, $y) = @_;
		2233
		2234	return unless $self->contr->active;
1784		2235
1785	my $link_pos = delete $self->{_link_pos};	2236	my $link_pos = delete $self->{_link_pos};
1786		2237
1787	unless ($map) {	2238	unless ($map) {
1788	# restore original map position	2239	# restore original map position
…		…
1811		2262
1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2264	$self->enter_map ($map, $x, $y);
1814	}	2265	}
1815		2266
1816	cf::player->attach (	2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2268
1820	# abort map switching before logout	2269	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2270	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2271	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2272	the new (success) or old (failed) map position. In either case, $done will
1824	};	2273	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2274
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	$pl->ob->reply (undef,
1836	"There was an internal problem at your last logout, "
1837	. "the server will try to bring you to your intended destination in a second.",
1838	cf::NDI_RED);
1839	# we need this sleep as the login has a concurrent enter_exit running
1840	# and this sleep increases chances of the player not ending up in scorn
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2275	=cut
		2276
		2277	our $GOTOGEN;
1851		2278
1852	sub cf::object::player::goto {	2279	sub cf::object::player::goto {
1853	my ($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;
1854		2284
1855	$self->enter_link;	2285	$self->enter_link;
1856		2286
1857	(async {	2287	(async {
1858	my $map = eval {	2288	my $map = eval {
1859	my $map = cf::map::find $path;	2289	my $map = cf::map::find $path;
		2290
		2291	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2292	$map = $map->customise_for ($self);
		2293	$map = $check->($map) if $check && $map;
		2294	} else {
		2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	}
		2297
1861	$map	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 $@;
1862	} or	2304	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2305
		2306	if ($gen == $self->{_goto_generation}) {
		2307	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2308	$self->leave_link ($map, $x, $y);
		2309	}
		2310
		2311	$done->() if $done;
1866	})->prio (1);	2312	})->prio (1);
1867	}	2313	}
1868		2314
1869	=item $player_object->enter_exit ($exit_object)	2315	=item $player_object->enter_exit ($exit_object)
1870		2316
…		…
1909		2355
1910	$rmp->{random_seed} ||= $exit->random_seed;	2356	$rmp->{random_seed} ||= $exit->random_seed;
1911		2357
1912	my $data = cf::to_json $rmp;	2358	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2359	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2360	my $meta = "$RANDOMDIR/$md5.meta";
1915		2361
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2363	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2364	undef $fh;
1919	aio_rename "$meta~", $meta;	2365	aio_rename "$meta~", $meta;
…		…
1928		2374
1929	return unless $self->type == cf::PLAYER;	2375	return unless $self->type == cf::PLAYER;
1930		2376
1931	if ($exit->slaying eq "/!") {	2377	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	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
1933	cf::sync_job { prepare_random_map $exit };	2381	cf::sync_job { prepare_random_map $exit };
1934	}	2382	}
1935		2383
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2385	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2386	my $sp = $exit->stats->sp;
1939		2387
1940	$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);
1941		2393
1942	(async {	2394	(async {
1943	$self->deactivate_recursive; # just to be sure	2395	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2396	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2397	$self->goto ($slaying, $hp, $sp);
1946		2398
1947	1;	2399	1;
1948	}) {	2400	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2401	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "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. "
1951	. "Please report this to the dungeon master!",	2403	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2404	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2405
1954	warn "ERROR in enter_exit: $@";	2406	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2407	$self->leave_link;
1956	}	2408	}
1957	})->prio (1);	2409	})->prio (1);
…		…
1970		2422
1971	sub cf::client::send_drawinfo {	2423	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2424	my ($self, $text, $flags) = @_;
1973		2425
1974	utf8::encode $text;	2426	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2428	}
1977		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	}
1978		2484
1979	=item $success = $client->query ($flags, "text", \&cb)	2485	=item $success = $client->query ($flags, "text", \&cb)
1980		2486
1981	Queues a query to the client, calling the given callback with	2487	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2488	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2489	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2490
1985	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
1986	reliable at some point in the future.	2492	become reliable at some point in the future.
1987		2493
1988	=cut	2494	=cut
1989		2495
1990	sub cf::client::query {	2496	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2497	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2505	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2506	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2507
2002	$self->send_packet ($self->{query_queue}[0][0])	2508	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2509	if @{ $self->{query_queue} } == 1;
		2510
		2511	1
2004	}	2512	}
2005		2513
2006	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	},
2007	on_reply => sub {	2520	on_reply => sub {
2008	my ($ns, $msg) = @_;	2521	my ($ns, $msg) = @_;
2009		2522
2010	# this weird shuffling is so that direct followup queries	2523	# this weird shuffling is so that direct followup queries
2011	# get handled first	2524	# get handled first
…		…
2023	} else {	2536	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2537	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2538	}
2026	}	2539	}
2027	},	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	},
2028	);	2559	);
2029		2560
2030	=item $client->async (\&cb)	2561	=item $client->async (\&cb)
2031		2562
2032	Create a new coroutine, running the specified callback. The coroutine will	2563	Create a new coroutine, running the specified callback. The coroutine will
…		…
2079		2610
2080	# here we export the classes and methods available to script code	2611	# here we export the classes and methods available to script code
2081		2612
2082	=pod	2613	=pod
2083		2614
2084	The following fucntions and emthods are available within a safe environment:	2615	The following functions and methods are available within a safe environment:
2085		2616
2086	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
2087	cf::object::player player	2621	cf::object::player
2088	cf::player peaceful	2622	player
2089	cf::map trigger	2623
		2624	cf::player
		2625	peaceful
		2626
		2627	cf::map
		2628	trigger
2090		2629
2091	=cut	2630	=cut
2092		2631
2093	for (	2632	for (
2094	["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)],
2095	["cf::object::player" => qw(player)],	2635	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2636	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2637	["cf::map" => qw(trigger)],
2098	) {	2638	) {
2099	no strict 'refs';	2639	no strict 'refs';
…		…
2170	=back	2710	=back
2171		2711
2172	=cut	2712	=cut
2173		2713
2174	#############################################################################	2714	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family.
2194
2195	=cut
2196
2197	our $DB;
2198
2199	sub db_init {
2200	unless ($DB) {
2201	$DB = BDB::db_create $DB_ENV;
2202
2203	cf::sync_job {
2204	eval {
2205	$DB->set_flags (BDB::CHKSUM);
2206
2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2209	cf::cleanup "db_open(db): $!" if $!;
2210	};
2211	cf::cleanup "db_open(db): $@" if $@;
2212	};
2213
2214	my $path = cf::localdir . "/database.pst";
2215	if (stat $path) {
2216	cf::sync_job {
2217	my $pst = Storable::retrieve $path;
2218
2219	cf::db_put (board => data => $pst->{board});
2220	cf::db_put (guildrules => data => $pst->{guildrules});
2221	cf::db_put (rent => balance => $pst->{rent}{balance});
2222	BDB::db_env_txn_checkpoint $DB_ENV;
2223
2224	unlink $path;
2225	};
2226	}
2227	}
2228	}
2229
2230	sub db_get($$) {
2231	my $key = "$_[0]/$_[1]";
2232
2233	cf::sync_job {
2234	BDB::db_get $DB, undef, $key, my $data;
2235
2236	$! ? ()
2237	: Compress::LZF::sthaw $data
2238	}
2239	}
2240
2241	sub db_put($$$) {
2242	BDB::dbreq_pri 4;
2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2244	}
2245
2246	#############################################################################
2247	# the server's init and main functions	2715	# the server's init and main functions
2248		2716
2249	sub init_resources {	2717	sub load_facedata($) {
2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2718	my ($path) = @_;
		2719
		2720	warn "loading facedata from $path\n";
		2721
		2722	my $facedata;
		2723	0 < aio_load $path, $facedata
		2724	or die "$path: $!";
		2725
		2726	$facedata = Coro::Storable::thaw $facedata;
		2727
		2728	$facedata->{version} == 2
		2729	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2730
		2731	{
		2732	my $faces = $facedata->{faceinfo};
		2733
		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};
		2740
		2741	cf::cede_to_tick;
		2742	}
		2743
		2744	while (my ($face, $info) = each %$faces) {
		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"
2251	or die "unable to load regions file\n";#d#	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;
2252	}	2847	}
2253		2848
2254	sub cfg_load {	2849	sub cfg_load {
2255	open my $fh, "<:utf8", cf::confdir . "/config"	2850	open my $fh, "<:utf8", "$CONFDIR/config"
2256	or return;	2851	or return;
2257		2852
2258	local $/;	2853	local $/;
2259	*CFG = YAML::Syck::Load <$fh>;	2854	*CFG = YAML::Syck::Load <$fh>;
2260		2855
…		…
2268	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2863	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2269	and die "WARNING: m(un)lockall failed: $!\n";	2864	and die "WARNING: m(un)lockall failed: $!\n";
2270	};	2865	};
2271	warn $@ if $@;	2866	warn $@ if $@;
2272	}	2867	}
2273	}
2274
2275	sub init {
2276	init_resources;
2277	}	2868	}
2278		2869
2279	sub main {	2870	sub main {
2280	# we must not ever block the main coroutine	2871	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	2872	local $Coro::idle = sub {
…		…
2309	},	2900	},
2310	);	2901	);
2311	}	2902	}
2312	}	2903	}
2313		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
		2941	}
		2942
2314	sub emergency_save() {	2943	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	2944	my $freeze_guard = cf::freeze_mainloop;
2316		2945
2317	warn "enter emergency perl save\n";	2946	warn "enter emergency perl save\n";
2318		2947
…		…
2349		2978
2350	warn Carp::longmess "post_cleanup backtrace"	2979	warn Carp::longmess "post_cleanup backtrace"
2351	if $make_core;	2980	if $make_core;
2352	}	2981	}
2353		2982
2354	sub reload() {	2983	sub do_reload_perl() {
2355	# can/must only be called in main	2984	# can/must only be called in main
2356	if ($Coro::current != $Coro::main) {	2985	if ($Coro::current != $Coro::main) {
2357	warn "can only reload from main coroutine";	2986	warn "can only reload from main coroutine";
2358	return;	2987	return;
2359	}	2988	}
…		…
2384	Coro::cede;	3013	Coro::cede;
2385	last unless IO::AIO::nreqs || BDB::nreqs;	3014	last unless IO::AIO::nreqs || BDB::nreqs;
2386	warn "iterate...";	3015	warn "iterate...";
2387	}	3016	}
2388		3017
		3018	++$RELOAD;
		3019
2389	warn "cancelling all extension coros";	3020	warn "cancelling all extension coros";
2390	$_->cancel for values %EXT_CORO;	3021	$_->cancel for values %EXT_CORO;
2391	%EXT_CORO = ();	3022	%EXT_CORO = ();
2392		3023
2393	warn "removing commands";	3024	warn "removing commands";
2394	%COMMAND = ();	3025	%COMMAND = ();
2395		3026
2396	warn "removing ext commands";	3027	warn "removing ext/exti commands";
2397	%EXTCMD = ();	3028	%EXTCMD = ();
		3029	%EXTICMD = ();
2398		3030
2399	warn "unloading/nuking all extensions";	3031	warn "unloading/nuking all extensions";
2400	for my $pkg (@EXTS) {	3032	for my $pkg (@EXTS) {
2401	warn "... unloading $pkg";	3033	warn "... unloading $pkg";
2402		3034
…		…
2432	Symbol::delete_package "safe::$_"	3064	Symbol::delete_package "safe::$_"
2433	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);
2434		3066
2435	warn "unloading cf.pm \"a bit\"";	3067	warn "unloading cf.pm \"a bit\"";
2436	delete $INC{"cf.pm"};	3068	delete $INC{"cf.pm"};
		3069	delete $INC{"cf/pod.pm"};
2437		3070
2438	# don't, removes xs symbols, too,	3071	# don't, removes xs symbols, too,
2439	# and global variables created in xs	3072	# and global variables created in xs
2440	#Symbol::delete_package __PACKAGE__;	3073	#Symbol::delete_package __PACKAGE__;
2441		3074
…		…
2450		3083
2451	warn "loading extensions";	3084	warn "loading extensions";
2452	cf::load_extensions;	3085	cf::load_extensions;
2453		3086
2454	warn "reattaching attachments to objects/players";	3087	warn "reattaching attachments to objects/players";
2455	_global_reattach;	3088	_global_reattach; # objects, sockets
2456	warn "reattaching attachments to maps";	3089	warn "reattaching attachments to maps";
2457	reattach $_ for values %MAP;	3090	reattach $_ for values %MAP;
2458		3091	warn "reattaching attachments to players";
2459	warn "loading reloadable resources";	3092	reattach $_ for values %PLAYER;
2460	init_resources;
2461		3093
2462	warn "leaving sync_job";	3094	warn "leaving sync_job";
2463		3095
2464	1	3096	1
2465	} or do {	3097	} or do {
…		…
2471	warn "reloaded";	3103	warn "reloaded";
2472	};	3104	};
2473		3105
2474	our $RELOAD_WATCHER; # used only during reload	3106	our $RELOAD_WATCHER; # used only during reload
2475		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
2476	register_command "reload" => sub {	3123	register_command "reload" => sub {
2477	my ($who, $arg) = @_;	3124	my ($who, $arg) = @_;
2478		3125
2479	if ($who->flag (FLAG_WIZ)) {	3126	if ($who->flag (FLAG_WIZ)) {
2480	$who->message ("reloading server.");	3127	$who->message ("reloading server.");
2481		3128	async { reload_perl };
2482	# doing reload synchronously and two reloads happen back-to-back,
2483	# coro crashes during coro_state_free->destroy here.
2484
2485	$RELOAD_WATCHER ||= Event->timer (
2486	reentrant => 0,
2487	after => 0,
2488	data => WF_AUTOCANCEL,
2489	cb => sub {
2490	reload;
2491	undef $RELOAD_WATCHER;
2492	},
2493	);
2494	}	3129	}
2495	};	3130	};
2496		3131
2497	unshift @INC, $LIBDIR;	3132	unshift @INC, $LIBDIR;
2498		3133
2499	my $bug_warning = 0;	3134	my $bug_warning = 0;
2500		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;
2501	$TICK_WATCHER = Event->timer (	3159	$TICK_WATCHER = Event->timer (
2502	reentrant => 0,	3160	reentrant => 0,
2503	parked => 1,	3161	parked => 1,
2504	prio => 0,	3162	prio => 0,
2505	at => $NEXT_TICK || $TICK,	3163	at => $NEXT_TICK || $TICK,
…		…
2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2510	unless ++$bug_warning > 10;	3168	unless ++$bug_warning > 10;
2511	return;	3169	return;
2512	}	3170	}
2513		3171
2514	$NOW = Event::time;	3172	$NOW = $tick_start = Event::time;
2515		3173
2516	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
2517	$RUNTIME += $TICK;	3199	$RUNTIME += $TICK;
2518	$NEXT_TICK += $TICK;	3200	$NEXT_TICK += $TICK;
2519		3201
2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521	$NEXT_RUNTIME_WRITE = $NOW + 10;	3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2523	write_runtime	3205	write_runtime
2524	or warn "ERROR: unable to write runtime file: $!";	3206	or warn "ERROR: unable to write runtime file: $!";
2525	};	3207	};
2526	}	3208	}
2527		3209
2528	$WAIT_FOR_TICK->broadcast;
2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2530
2531	# my $AFTER = Event::time;	3210	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#	3211	# warn $AFTER - $NOW;#d#
2533		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;
		3221
2534	# 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
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2536		3224
2537	$TICK_WATCHER->at ($NEXT_TICK);	3225	$TICK_WATCHER->at ($NEXT_TICK);
2538	$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
2539	},	3234	},
2540	);	3235	);
2541		3236
2542	{	3237	{
2543	BDB::max_poll_time $TICK * 0.1;	3238	BDB::max_poll_time $TICK * 0.1;
…		…
2571		3266
2572	cf::sync_job {	3267	cf::sync_job {
2573	eval {	3268	eval {
2574	BDB::db_env_open	3269	BDB::db_env_open
2575	$DB_ENV,	3270	$DB_ENV,
2576	$BDB_ENV_DIR,	3271	$BDBDIR,
2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579	0666;	3274	0666;
2580		3275
2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2582		3277
2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2584	$DB_ENV->set_lk_detect;	3279	$DB_ENV->set_lk_detect;
2585	};	3280	};
2586		3281
…		…
2602	prio => 6,	3297	prio => 6,
2603	cb => \&IO::AIO::poll_cb,	3298	cb => \&IO::AIO::poll_cb,
2604	);	3299	);
2605	}	3300	}
2606		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;
		3342
2607	END { cf::emergency_save }	3343	END { cf::emergency_save }
2608		3344
2609	1	3345	1
2610		3346

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