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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.236 by root, Thu Apr 12 14:18:05 2007 UTC vs.
Revision 1.322 by root, Fri Jul 27 10:10:51 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;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.61 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
21		24
		25	use JSON::XS 1.4 ();
22	use BDB ();	26	use BDB ();
23	use Data::Dumper;	27	use Data::Dumper;
24	use Digest::MD5;	28	use Digest::MD5;
25	use Fcntl;	29	use Fcntl;
26	use YAML::Syck ();	30	use YAML::Syck ();
27	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
28	use Time::HiRes;	32	use Time::HiRes;
29	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
30		35
31	# configure various modules to our taste	36	# configure various modules to our taste
32	#	37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	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
35		41
36	$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
37		43
…		…
45	our %COMMAND = ();	51	our %COMMAND = ();
46	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
47		53
48	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
52		59
53	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
54	our @EVENT;	61	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		62
57	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(!)
58	our $TICK_WATCHER;	76	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	79	our $NEXT_TICK;
62	our $NOW;	80	our $NOW;
…		…
71	our $RUNTIME;	89	our $RUNTIME;
72		90
73	our %PLAYER; # all users	91	our %PLAYER; # all users
74	our %MAP; # all maps	92	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		94
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $tick_start; # for load detecting purposes
		101
85	binmode STDOUT;	102	binmode STDOUT;
86	binmode STDERR;	103	binmode STDERR;
87		104
88	# read virtual server time, if available	105	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
93	}	110	}
94		111
95	mkdir cf::localdir;	112	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		114
102	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
103		116
104	sub cf::map::normalise;	117	sub cf::map::normalise;
105		118
…		…
116	=item $cf::RUNTIME	129	=item $cf::RUNTIME
117		130
118	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
119	every server tick.	132	every server tick.
120		133
121	=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
122		137
123	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		142
126	=item $cf::NOW	143	=item $cf::NOW
127		144
128	The time of the last (current) server tick.	145	The time of the last (current) server tick.
129		146
130	=item $cf::TICK	147	=item $cf::TICK
131		148
132	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.
133		160
134	=item %cf::CFG	161	=item %cf::CFG
135		162
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	164	from wherever your confdir points to.
138		165
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		167
141	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
142	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
143	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.
144	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.
145		177
146	=back	178	=back
147		179
148	=cut	180	=cut
149		181
150	BEGIN {	182	BEGIN {
151	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	184	my $msg = join "", @_;
153	utf8::encode $msg;
154		185
155	$msg .= "\n"	186	$msg .= "\n"
156	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
157		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
158	LOG llevError, $msg;	192	LOG llevError, $msg;
159	};	193	};
160	}	194	}
161		195
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		203
169	# 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
170	# within the Safe compartment.	205	# within the Safe compartment.
171	for my $pkg (qw(	206	for my $pkg (qw(
172	cf::global cf::attachable	207	cf::global cf::attachable
…		…
180	}	215	}
181		216
182	$Event::DIED = sub {	217	$Event::DIED = sub {
183	warn "error in event callback: @_";	218	warn "error in event callback: @_";
184	};	219	};
		220
		221	#############################################################################
185		222
186	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
187		224
188	=over 4	225	=over 4
189		226
…		…
208	$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;
209	$d	246	$d
210	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
211	}	248	}
212		249
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
216		251
217	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
218		253
219	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
220		255
221	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
		257
		258	=cut
		259
		260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		261
		262	sub to_json ($) { $json_coder->encode ($_[0]) }
		263	sub from_json ($) { $json_coder->decode ($_[0]) }
222		264
223	=item cf::lock_wait $string	265	=item cf::lock_wait $string
224		266
225	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
226		268
…		…
232	returned.	274	returned.
233		275
234	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
235	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
236		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
237	=cut	283	=cut
238		284
239	our %LOCK;	285	our %LOCK;
240		286
241	sub lock_wait($) {	287	sub lock_wait($) {
…		…
258		304
259	Coro::guard {	305	Coro::guard {
260	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
262	}	308	}
		309	}
		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
263	}	315	}
264		316
265	sub freeze_mainloop {	317	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
267		319
…		…
270	};	322	};
271	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
272	$guard	324	$guard
273	}	325	}
274		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
		381	}
		382
275	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
276		384
277	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	386	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279	thing you are allowed to do is call C<prio> on it.	387	thing you are allowed to do is call C<prio> on it.
…		…
282		390
283	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
284		392
285	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
286		394
287	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
290		399
291	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
294	fast or be very important.	403	fast or be very important.
…		…
297		406
298	sub sync_job(&) {	407	sub sync_job(&) {
299	my ($job) = @_;	408	my ($job) = @_;
300		409
301	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
302	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
304		415
305	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
317		428
318	while ($busy) {	429	while ($busy) {
319	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
320	}	431	}
321		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
322	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
323	} else {	441	} else {
324	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
325		443
326	$job->()	444	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
346		464
347	$coro	465	$coro
348	}	466	}
349		467
350	sub write_runtime {	468	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		469
353	my $runtime = cf::localdir . "/runtime";	470	Executes the given code block with the given arguments in a seperate
		471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
354		474
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	475	=cut
356	or return;
357		476
358	my $value = $cf::RUNTIME + 90 + 10;	477	sub _store_scalar {
359	# 10 is the runtime save interval, for a monotonic clock	478	open my $fh, ">", \my $buf
360	# 60 allows for the watchdog to kill the server.	479	or die "fork_call: cannot open fh-to-buf in child : $!";
361		480	Storable::store_fd $_[0], $fh;
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
363	and return;
364
365	# always fsync - this file is important
366	aio_fsync $fh
367	and return;
368
369	close $fh	481	close $fh;
370	or return;
371		482
372	aio_rename "$runtime~", $runtime	483	$buf
373	and return;	484	}
374		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
375	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
376	}	644	}
377		645
378	=item cf::datalog type => key => value, ...	646	=item cf::datalog type => key => value, ...
379		647
380	Log a datalog packet of the given type with the given key-value pairs.	648	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
400		668
401	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	671	Crossfire TRT).
404		672
405	=over 4	673	=over 4
406		674
407	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
408		676
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
572		840
573	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		845
578	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	847	my $pkg = shift @arg;
580		848
581	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
611	}	879	}
612		880
613	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
614	} else {	882	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	884	}
617		885
618	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
619	}	887	}
620		888
…		…
622	if (ref $_[0]) {	890	if (ref $_[0]) {
623	_object_attach @_;	891	_object_attach @_;
624	} else {	892	} else {
625	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
626	}	894	}
		895	_recalc_want;
627	};	896	};
628		897
629	# all those should be optimised	898	# all those should be optimised
630	sub cf::attachable::detach {	899	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
635	reattach ($obj);	904	reattach ($obj);
636	} else {	905	} else {
637	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
638	}	907	}
		908	_recalc_want;
639	};	909	};
640		910
641	sub cf::attachable::attached {	911	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
643		913
…		…
658	";	928	";
659	die if $@;	929	die if $@;
660	}	930	}
661		931
662	our $override;	932	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		934
665	sub override {	935	sub override {
666	$override = 1;	936	$override = 1;
667	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
668	}	938	}
669		939
670	sub do_invoke {	940	sub do_invoke {
671	my $event = shift;	941	my $event = shift;
672	my $callbacks = shift;	942	my $callbacks = shift;
673		943
674	@invoke_results = ();	944	@INVOKE_RESULTS = ();
675		945
676	local $override;	946	local $override;
677		947
678	for (@$callbacks) {	948	for (@$callbacks) {
679	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
696		966
697	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
698		968
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		972
703	=back	973	=back
704		974
705	=cut	975	=cut
706		976
707	#############################################################################	977	#############################################################################
708	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
709		990
710	sub reattach {	991	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	993	my ($obj) = @_;
713		994
…		…
816	or return;	1097	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1099	}
819		1100
820	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1103	return ($data, $av);
823	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
824		1111
825	#############################################################################	1112	#############################################################################
826	# command handling &c	1113	# command handling &c
827		1114
828	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1129	}
843		1130
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1132
846	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
847		1138
848	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
849	called.	1140	called.
850		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
851	=cut	1153	=cut
852		1154
853	sub register_extcmd {	1155	sub register_extcmd {
854	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
855		1157
856	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
857	}	1165	}
858		1166
859	cf::player->attach (	1167	cf::player->attach (
860	on_command => sub {	1168	on_command => sub {
861	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1178	cf::override;
871	},	1179	},
872	on_extcmd => sub {	1180	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
874		1182
875	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1184
877	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
880	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
881	}	1195	if $reply;
882	}	1196	}
883	} else {	1197	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1199	}
886		1200
887	cf::override;	1201	cf::override;
888	},	1202	},
889	);	1203	);
890		1204
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
926	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1210	next unless -r $path;
928	eval {	1211
929	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
930	1	1269	}
931	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
932	}	1275	};
933	}	1276	}
934		1277
935	#############################################################################	1278	#############################################################################
936		1279
		1280	=back
		1281
937	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
938		1283
939	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
940		1285
941	=cut	1286	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
954		1299
955	=cut	1300	=cut
956		1301
957	sub playerdir($) {	1302	sub playerdir($) {
958	cf::localdir	1303	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1305	}
964		1306
965	sub path($) {	1307	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1086	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1087		1429
1088	=cut	1430	=cut
1089		1431
1090	sub list_logins {	1432	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1434	or return [];
1093		1435
1094	my @logins;	1436	my @logins;
1095		1437
1096	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1131	}	1473	}
1132		1474
1133	\@paths	1475	\@paths
1134	}	1476	}
1135		1477
		1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1479
		1480	Expand crossfire pod fragments into protocol xml.
		1481
		1482	=cut
		1483
		1484	sub expand_cfpod {
		1485	((my $self), (local $_)) = @_;
		1486
		1487	# escape & and <
		1488	s/&/&amp;/g;
		1489	s/(?<![BIUGH])</&lt;/g;
		1490
		1491	# this is buggy, it needs to properly take care of nested <'s
		1492
		1493	1 while
		1494	# replace B<>, I<>, U<> etc.
		1495	s/B<([^\>]*)>/<b>$1<\/b>/
		1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1136	=item $player->ext_reply ($msgid, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1137		1529
1138	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1139		1531
1140	=cut	1532	=cut
1141		1533
1142	sub ext_reply($$%) {	1534	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1144		1536
1145	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1146		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1147	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1148	}	1544	}
1149		1545
1150	=item $player->ext_event ($type, %msg)	1546	=item $player->ext_msg ($type, @msg)
1151		1547
1152	Sends an ext event to the client.	1548	Sends an ext event to the client.
1153		1549
1154	=cut	1550	=cut
1155		1551
1156	sub ext_event($$%) {	1552	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1553	my ($self, $type, @msg) = @_;
1158		1554
1159	$self->ns->ext_event ($type, %msg);	1555	$self->ns->ext_msg ($type, @msg);
1160	}	1556	}
1161		1557
1162	package cf;	1558	=head3 cf::region
		1559
		1560	=over 4
		1561
		1562	=cut
		1563
		1564	package cf::region;
		1565
		1566	=item cf::region::find_by_path $path
		1567
		1568	Tries to decuce the likely region for a map knowing only its path.
		1569
		1570	=cut
		1571
		1572	sub find_by_path($) {
		1573	my ($path) = @_;
		1574
		1575	my ($match, $specificity);
		1576
		1577	for my $region (list) {
		1578	if ($region->{match} && $path =~ $region->{match}) {
		1579	($match, $specificity) = ($region, $region->specificity)
		1580	if $region->specificity > $specificity;
		1581	}
		1582	}
		1583
		1584	$match
		1585	}
1163		1586
1164	=back	1587	=back
1165
1166		1588
1167	=head3 cf::map	1589	=head3 cf::map
1168		1590
1169	=over 4	1591	=over 4
1170		1592
…		…
1225	my ($self, $merge) = @_;	1647	my ($self, $merge) = @_;
1226		1648
1227	# we have to keep some variables in memory intact	1649	# we have to keep some variables in memory intact
1228	local $self->{path};	1650	local $self->{path};
1229	local $self->{load_path};	1651	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1652
1233	$self->SUPER::thawer_merge ($merge);	1653	$self->SUPER::thawer_merge ($merge);
1234	}	1654	}
1235		1655
1236	sub normalise {	1656	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1284	return $self;	1704	return $self;
1285	}	1705	}
1286	}	1706	}
1287		1707
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1709	()
1290	}	1710	}
1291		1711
1292	sub init {	1712	sub init {
1293	my ($self) = @_;	1713	my ($self) = @_;
…		…
1308		1728
1309	# the original (read-only) location	1729	# the original (read-only) location
1310	sub load_path {	1730	sub load_path {
1311	my ($self) = @_;	1731	my ($self) = @_;
1312		1732
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1733	"$MAPDIR/$self->{path}.map"
1314	}	1734	}
1315		1735
1316	# the temporary/swap location	1736	# the temporary/swap location
1317	sub save_path {	1737	sub save_path {
1318	my ($self) = @_;	1738	my ($self) = @_;
1319		1739
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1741	"$TMPDIR/$path.map"
1322	}	1742	}
1323		1743
1324	# the unique path, undef == no special unique path	1744	# the unique path, undef == no special unique path
1325	sub uniq_path {	1745	sub uniq_path {
1326	my ($self) = @_;	1746	my ($self) = @_;
1327		1747
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1749	"$UNIQUEDIR/$path"
1330	}	1750	}
1331		1751
1332	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1333	# all maps in C++...	1753	# all maps in C++...
1334	sub change_all_map_light {	1754	sub change_all_map_light {
1335	my ($change) = @_;	1755	my ($change) = @_;
1336		1756
1337	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1338	for grep $_->outdoor, values %cf::MAP;	1758	for grep $_->outdoor, values %cf::MAP;
		1759	}
		1760
		1761	sub decay_objects {
		1762	my ($self) = @_;
		1763
		1764	return if $self->{deny_reset};
		1765
		1766	$self->do_decay_objects;
1339	}	1767	}
1340		1768
1341	sub unlink_save {	1769	sub unlink_save {
1342	my ($self) = @_;	1770	my ($self) = @_;
1343		1771
…		…
1401	$self->load_header_orig	1829	$self->load_header_orig
1402	or return;	1830	or return;
1403	$self->prepare_orig;	1831	$self->prepare_orig;
1404	}	1832	}
1405		1833
		1834	$self->{deny_reset} = 1
		1835	if $self->no_reset;
		1836
		1837	$self->default_region (cf::region::find_by_path $self->{path})
		1838	unless $self->default_region;
		1839
1406	1	1840	1
1407	}	1841	}
1408		1842
1409	sub find;	1843	sub find;
1410	sub find {	1844	sub find {
…		…
1422	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1423		1857
1424	$map->load_header	1858	$map->load_header
1425	or return;	1859	or return;
1426		1860
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	1862	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	1863	#$cf::WAIT_FOR_TICK->wait;
1430	$map->reset;	1864	$map->reset;
1431	undef $guard;	1865	undef $guard;
1432	return find $path;	1866	return find $path;
…		…
1443	my ($self) = @_;	1877	my ($self) = @_;
1444		1878
1445	local $self->{deny_reset} = 1; # loading can take a long time	1879	local $self->{deny_reset} = 1; # loading can take a long time
1446		1880
1447	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1448	my $guard = cf::lock_acquire "map_load:$path";	1884	my $guard = cf::lock_acquire "map_load:$path";
1449		1885
1450	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1451		1887
1452	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1453		1889
1454	$self->alloc;	1890	$self->alloc;
1455		1891
1456	$self->pre_load;	1892	$self->pre_load;
1457
1458	$self->_load_objects ($self->{load_path}, 1)
1459	or return;
1460
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1462	if delete $self->{load_original};
1463
1464	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {
1467	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);
1469	}
1470	}
1471
1472	Coro::cede;
1473
1474	# now do the right thing for maps
1475	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;	1893	Coro::cede;
1482	$self->set_darkness_map;	1894
		1895	$self->_load_objects ($self->{load_path}, 1)
		1896	or return;
		1897
		1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1899	if delete $self->{load_original};
		1900
		1901	if (my $uniq = $self->uniq_path) {
		1902	utf8::encode $uniq;
		1903	if (aio_open $uniq, O_RDONLY, 0) {
		1904	$self->clear_unique_items;
		1905	$self->_load_objects ($uniq, 0);
		1906	}
		1907	}
		1908
		1909	Coro::cede;
		1910	# now do the right thing for maps
		1911	$self->link_multipart_objects;
1483	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	1913	unless $self->difficulty;
1485	Coro::cede;	1914	Coro::cede;
		1915
		1916	unless ($self->{deny_activate}) {
		1917	$self->decay_objects;
		1918	$self->fix_auto_apply;
		1919	$self->update_buttons;
		1920	Coro::cede;
		1921	$self->set_darkness_map;
		1922	Coro::cede;
1486	$self->activate;	1923	$self->activate;
		1924	}
		1925
		1926	$self->in_memory (cf::MAP_IN_MEMORY);
1487	}	1927	}
1488		1928
1489	$self->post_load;	1929	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	1930	}
1493		1931
1494	sub customise_for {	1932	sub customise_for {
1495	my ($self, $ob) = @_;	1933	my ($self, $ob) = @_;
1496		1934
1497	return find "~" . $ob->name . "/" . $self->{path}	1935	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	1936	if $self->per_player;
		1937
		1938	# return find "?party/" . $ob->name . "/" . $self->{path}
		1939	# if $self->per_party;
1499		1940
1500	$self	1941	$self
1501	}	1942	}
1502		1943
1503	# find and load all maps in the 3x3 area around a map	1944	# find and load all maps in the 3x3 area around a map
…		…
1550		1991
1551	undef $MAP_PREFETCH{$path};	1992	undef $MAP_PREFETCH{$path};
1552	$MAP_PREFETCHER ||= cf::async {	1993	$MAP_PREFETCHER ||= cf::async {
1553	while (%MAP_PREFETCH) {	1994	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	1995	for my $path (keys %MAP_PREFETCH) {
1555	my $map = find $path	1996	if (my $map = find $path) {
1556	or next;
1557	$map->load;	1997	$map->load;
		1998	}
1558		1999
1559	delete $MAP_PREFETCH{$path};	2000	delete $MAP_PREFETCH{$path};
1560	}	2001	}
1561	}	2002	}
1562	undef $MAP_PREFETCHER;	2003	undef $MAP_PREFETCHER;
…		…
1614		2055
1615	sub reset_at {	2056	sub reset_at {
1616	my ($self) = @_;	2057	my ($self) = @_;
1617		2058
1618	# TODO: safety, remove and allow resettable per-player maps	2059	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2060	return 1e99 if $self->{deny_reset};
1621		2061
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2062	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2063	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2064
…		…
1635	my ($self) = @_;	2075	my ($self) = @_;
1636		2076
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2077	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2078
1639	return if $self->players;	2079	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2080
1642	warn "resetting map ", $self->path;#d#	2081	warn "resetting map ", $self->path;
1643		2082
1644	$self->in_memory (cf::MAP_SWAPPED);	2083	$self->in_memory (cf::MAP_SWAPPED);
1645		2084
1646	# need to save uniques path	2085	# need to save uniques path
1647	unless ($self->{deny_save}) {	2086	unless ($self->{deny_save}) {
…		…
1679	$cf::MAP{$self->path} = $self;	2118	$cf::MAP{$self->path} = $self;
1680		2119
1681	$self->reset; # polite request, might not happen	2120	$self->reset; # polite request, might not happen
1682	}	2121	}
1683		2122
		2123	=item $maps = cf::map::tmp_maps
		2124
		2125	Returns an arrayref with all map paths of currently instantiated and saved
		2126	maps. May block.
		2127
		2128	=cut
		2129
		2130	sub tmp_maps() {
		2131	[
		2132	map {
		2133	utf8::decode $_;
		2134	/\.map$/
		2135	? normalise $_
		2136	: ()
		2137	} @{ aio_readdir $TMPDIR or [] }
		2138	]
		2139	}
		2140
		2141	=item $maps = cf::map::random_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	random maps. May block.
		2145
		2146	=cut
		2147
		2148	sub random_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise "?random/$_"
		2154	: ()
		2155	} @{ aio_readdir $RANDOMDIR or [] }
		2156	]
		2157	}
		2158
1684	=item cf::map::unique_maps	2159	=item cf::map::unique_maps
1685		2160
1686	Returns an arrayref of paths of all shared maps that have	2161	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2162	instantiated unique items. May block.
1688		2163
1689	=cut	2164	=cut
1690		2165
1691	sub unique_maps() {	2166	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2167	[
1693	or return;	2168	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2169	utf8::decode $_;
1699	next if /\.pst$/;	2170	/\.map$/
1700	next unless /^$PATH_SEP/o;	2171	? normalise $_
1701		2172	: ()
1702	push @paths, cf::map::normalise $_;	2173	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2174	]
1704
1705	\@paths
1706	}	2175	}
1707		2176
1708	package cf;	2177	package cf;
1709		2178
1710	=back	2179	=back
…		…
1756		2225
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2226	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2227
1759	if ($self->{record_replies}) {	2228	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2229	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2230
1761	} else {	2231	} else {
		2232	my $pl = $self->contr;
		2233
		2234	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2235	my $dialog = $pl->{npc_dialog};
		2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2237
		2238	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2239	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2240	$self->message ($msg, $flags);
		2241	}
1764	}	2242	}
1765	}	2243	}
1766		2244
1767	=item $player_object->may ("access")	2245	=item $player_object->may ("access")
1768		2246
…		…
1816	$self->deactivate_recursive;	2294	$self->deactivate_recursive;
1817		2295
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2296	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2297
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2299	if $self->map && $self->map->{path} ne "{link}";
1822		2300
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2302	}
1825		2303
1826	sub cf::object::player::leave_link {	2304	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2305	my ($self, $map, $x, $y) = @_;
		2306
		2307	return unless $self->contr->active;
1828		2308
1829	my $link_pos = delete $self->{_link_pos};	2309	my $link_pos = delete $self->{_link_pos};
1830		2310
1831	unless ($map) {	2311	unless ($map) {
1832	# restore original map position	2312	# restore original map position
…		…
1855		2335
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2337	$self->enter_map ($map, $x, $y);
1858	}	2338	}
1859		2339
1860	cf::player->attach (	2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861	on_logout => sub {
1862	my ($pl) = @_;
1863		2341
1864	# abort map switching before logout	2342	Moves the player to the given map-path and coordinates by first freezing
1865	if ($pl->ob->{_link_pos}) {	2343	her, loading and preparing them map, calling the provided $check callback
1866	cf::sync_job {	2344	that has to return the map if sucecssful, and then unfreezes the player on
1867	$pl->ob->leave_link	2345	the new (success) or old (failed) map position. In either case, $done will
1868	};	2346	be called at the end of this process.
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2347
1874	# try to abort aborted map switching on player login :)
1875	# should happen only on crashes
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891
1892	=item $player_object->goto ($path, $x, $y)
1893
1894	=cut	2348	=cut
		2349
		2350	our $GOTOGEN;
1895		2351
1896	sub cf::object::player::goto {	2352	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2353	my ($self, $path, $x, $y, $check, $done) = @_;
		2354
		2355	# do generation counting so two concurrent goto's will be executed in-order
		2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2357
1899	$self->enter_link;	2358	$self->enter_link;
1900		2359
1901	(async {	2360	(async {
1902	my $map = eval {	2361	my $map = eval {
1903	my $map = cf::map::find $path;	2362	my $map = cf::map::find $path;
		2363
		2364	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2365	$map = $map->customise_for ($self);
		2366	$map = $check->($map) if $check && $map;
		2367	} else {
		2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	}
		2370
1905	$map	2371	$map
		2372	};
		2373
		2374	if ($@) {
		2375	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2376	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2377	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2378
		2379	if ($gen == $self->{_goto_generation}) {
		2380	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2381	$self->leave_link ($map, $x, $y);
		2382	}
		2383
		2384	$done->() if $done;
1910	})->prio (1);	2385	})->prio (1);
1911	}	2386	}
1912		2387
1913	=item $player_object->enter_exit ($exit_object)	2388	=item $player_object->enter_exit ($exit_object)
1914		2389
…		…
1953		2428
1954	$rmp->{random_seed} ||= $exit->random_seed;	2429	$rmp->{random_seed} ||= $exit->random_seed;
1955		2430
1956	my $data = cf::to_json $rmp;	2431	my $data = cf::to_json $rmp;
1957	my $md5 = Digest::MD5::md5_hex $data;	2432	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2433	my $meta = "$RANDOMDIR/$md5.meta";
1959		2434
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2436	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2437	undef $fh;
1963	aio_rename "$meta~", $meta;	2438	aio_rename "$meta~", $meta;
…		…
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;	2458	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;	2459	my $sp = $exit->stats->sp;
1985		2460
1986	$self->enter_link;	2461	$self->enter_link;
		2462
		2463	# if exit is damned, update players death & WoR home-position
		2464	$self->contr->savebed ($slaying, $hp, $sp)
		2465	if $exit->flag (FLAG_DAMNED);
1987		2466
1988	(async {	2467	(async {
1989	$self->deactivate_recursive; # just to be sure	2468	$self->deactivate_recursive; # just to be sure
1990	unless (eval {	2469	unless (eval {
1991	$self->goto ($slaying, $hp, $sp);	2470	$self->goto ($slaying, $hp, $sp);
…		…
2019		2498
2020	utf8::encode $text;	2499	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2501	}
2023		2502
		2503	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	Send a drawinfo or msg packet to the client, formatting the msg for the
		2506	client if neccessary. C<$type> should be a string identifying the type of
		2507	the message, with C<log> being the default. If C<$color> is negative, suppress
		2508	the message unless the client supports the msg packet.
		2509
		2510	=cut
		2511
		2512	sub cf::client::send_msg {
		2513	my ($self, $channel, $msg, $color, @extra) = @_;
		2514
		2515	$msg = $self->pl->expand_cfpod ($msg);
		2516
		2517	$color &= ~cf::NDI_UNIQUE; # just in case...
		2518
		2519	if (ref $channel) {
		2520	# send meta info to client, if not yet sent
		2521	unless (exists $self->{channel}{$channel->{id}}) {
		2522	$self->{channel}{$channel->{id}} = $channel;
		2523	$self->ext_msg (channel_info => $channel);
		2524	}
		2525
		2526	$channel = $channel->{id};
		2527	}
		2528
		2529	return unless @extra || length $msg;
		2530
		2531	if ($self->can_msg) {
		2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2533	} else {
		2534	# replace some tags by gcfclient-compatible ones
		2535	for ($msg) {
		2536	1 while
		2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2542	}
		2543
		2544	if ($color >= 0) {
		2545	if (0 && $msg =~ /\[/) {
		2546	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
2024	=item $client->ext_event ($type, %msg)	2555	=item $client->ext_msg ($type, @msg)
2025		2556
2026	Sends an exti event to the client.	2557	Sends an ext event to the client.
2027		2558
2028	=cut	2559	=cut
2029		2560
2030	sub cf::client::ext_event($$%) {	2561	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	2562	my ($self, $type, @msg) = @_;
2032		2563
		2564	my $extcmd = $self->extcmd;
		2565
		2566	if ($extcmd == 2) {
		2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2568	} elsif ($extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	2569	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2571	}
2035	}	2572	}
2036		2573
2037	=item $success = $client->query ($flags, "text", \&cb)	2574	=item $success = $client->query ($flags, "text", \&cb)
2038		2575
2039	Queues a query to the client, calling the given callback with	2576	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2577	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2578	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2579
2043	Queries can fail, so check the return code. Or don't, as queries will become	2580	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	2581	become reliable at some point in the future.
2045		2582
2046	=cut	2583	=cut
2047		2584
2048	sub cf::client::query {	2585	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2586	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2594	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2595	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2596
2060	$self->send_packet ($self->{query_queue}[0][0])	2597	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2598	if @{ $self->{query_queue} } == 1;
		2599
		2600	1
2062	}	2601	}
2063		2602
2064	cf::client->attach (	2603	cf::client->attach (
		2604	on_connect => sub {
		2605	my ($ns) = @_;
		2606
		2607	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2608	},
2065	on_reply => sub {	2609	on_reply => sub {
2066	my ($ns, $msg) = @_;	2610	my ($ns, $msg) = @_;
2067		2611
2068	# this weird shuffling is so that direct followup queries	2612	# this weird shuffling is so that direct followup queries
2069	# get handled first	2613	# get handled first
…		…
2081	} else {	2625	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2626	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	2627	}
2084	}	2628	}
2085	},	2629	},
		2630	on_exticmd => sub {
		2631	my ($ns, $buf) = @_;
		2632
		2633	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2634
		2635	if (ref $msg) {
		2636	my ($type, $reply, @payload) =
		2637	"ARRAY" eq ref $msg
		2638	? @$msg
		2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2640
		2641	if (my $cb = $EXTICMD{$type}) {
		2642	my @reply = $cb->($ns, @payload);
		2643
		2644	$ns->ext_reply ($reply, @reply)
		2645	if $reply;
		2646	}
		2647	} else {
		2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2649	}
		2650
		2651	cf::override;
		2652	},
2086	);	2653	);
2087		2654
2088	=item $client->async (\&cb)	2655	=item $client->async (\&cb)
2089		2656
2090	Create a new coroutine, running the specified callback. The coroutine will	2657	Create a new coroutine, running the specified callback. The coroutine will
…		…
2139		2706
2140	=pod	2707	=pod
2141		2708
2142	The following functions and methods are available within a safe environment:	2709	The following functions and methods are available within a safe environment:
2143		2710
2144	cf::object contr pay_amount pay_player map	2711	cf::object
		2712	contr pay_amount pay_player map x y force_find force_add
		2713	insert remove
		2714
2145	cf::object::player player	2715	cf::object::player
2146	cf::player peaceful	2716	player
2147	cf::map trigger	2717
		2718	cf::player
		2719	peaceful
		2720
		2721	cf::map
		2722	trigger
2148		2723
2149	=cut	2724	=cut
2150		2725
2151	for (	2726	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2728	insert remove)],
2153	["cf::object::player" => qw(player)],	2729	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	2730	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	2731	["cf::map" => qw(trigger)],
2156	) {	2732	) {
2157	no strict 'refs';	2733	no strict 'refs';
…		…
2228	=back	2804	=back
2229		2805
2230	=cut	2806	=cut
2231		2807
2232	#############################################################################	2808	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	2809	# the server's init and main functions
2306		2810
2307	sub load_facedata {	2811	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	2812	my ($path) = @_;
2309		2813
2310	warn "loading facedata from $path\n";	2814	warn "loading facedata from $path\n";
2311		2815
2312	my $facedata;	2816	my $facedata;
2313	0 < aio_load $path, $facedata	2817	0 < aio_load $path, $facedata
2314	or die "$path: $!";	2818	or die "$path: $!";
2315		2819
2316	Coro::cede;
2317	$facedata = Storable::thaw $facedata;	2820	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		2821
2320	$facedata->{version} == 2	2822	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	2823	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		2824
2323	{	2825	{
2324	my $faces = $facedata->{faceinfo};	2826	my $faces = $facedata->{faceinfo};
2325		2827
2326	while (my ($face, $info) = each %$faces) {	2828	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2830	cf::face::set_visibility $idx, $info->{visibility};
		2831	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2331	Coro::cede;	2834
		2835	cf::cede_to_tick;
2332	}	2836	}
2333		2837
2334	while (my ($face, $info) = each %$faces) {	2838	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	2839	next unless $info->{smooth};
2336	my $idx = cf::face::find $face	2840	my $idx = cf::face::find $face
2337	or next;	2841	or next;
2338	if (my $smooth = cf::face::find $info->{smooth}) {	2842	if (my $smooth = cf::face::find $info->{smooth}) {
		2843	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	2845	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	2846	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	2847	}
2343	Coro::cede;	2848
		2849	cf::cede_to_tick;
2344	}	2850	}
2345	}	2851	}
2346		2852
2347	{	2853	{
2348	my $anims = $facedata->{animinfo};	2854	my $anims = $facedata->{animinfo};
2349		2855
2350	while (my ($anim, $info) = each %$anims) {	2856	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	2857	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	2858	cf::cede_to_tick;
2353	}	2859	}
2354		2860
2355	cf::anim::invalidate_all; # d'oh	2861	cf::anim::invalidate_all; # d'oh
2356	}	2862	}
2357		2863
		2864	{
		2865	# TODO: for gcfclient pleasure, we should give resources
		2866	# that gcfclient doesn't grok a >10000 face index.
		2867	my $res = $facedata->{resource};
		2868	my $enc = JSON::XS->new->utf8->canonical;
		2869
		2870	my $soundconf = delete $res->{"res/sound.conf"};
		2871
		2872	while (my ($name, $info) = each %$res) {
		2873	my $meta = $enc->encode ({
		2874	name => $name,
		2875	%{ $info->{meta} || {} },
		2876	});
		2877
		2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2879
		2880	if ($info->{type} & 1) {
		2881	# prepend meta info
		2882
		2883	my $data = pack "(w/a*)*", $meta, $info->{data};
		2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2885
		2886	cf::face::set_data $idx, 0, $data, $chk;
		2887	} else {
		2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2889	}
		2890
		2891	cf::face::set_type $idx, $info->{type};
		2892
		2893	cf::cede_to_tick;
		2894	}
		2895
		2896	if ($soundconf) {
		2897	$soundconf = $enc->decode (delete $soundconf->{data});
		2898
		2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2900	my $sound = $soundconf->{compat}[$_]
		2901	or next;
		2902
		2903	my $face = cf::face::find "sound/$sound->[1]";
		2904
		2905	cf::sound::set $sound->[0] => $face;
		2906	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2907	}
		2908
		2909	#TODO
		2910	}
		2911	}
		2912
2358	1	2913	1
2359	}	2914	}
2360		2915
		2916	register_exticmd fx_want => sub {
		2917	my ($ns, $want) = @_;
		2918
		2919	while (my ($k, $v) = each %$want) {
		2920	$ns->fx_want ($k, $v);
		2921	}
		2922	};
		2923
		2924	sub reload_regions {
		2925	load_resource_file "$MAPDIR/regions"
		2926	or die "unable to load regions file\n";
		2927
		2928	for (cf::region::list) {
		2929	$_->{match} = qr/$_->{match}/
		2930	if exists $_->{match};
		2931	}
		2932	}
		2933
		2934	sub reload_facedata {
		2935	load_facedata "$DATADIR/facedata"
		2936	or die "unable to load facedata\n";
		2937	}
		2938
		2939	sub reload_archetypes {
		2940	load_resource_file "$DATADIR/archetypes"
		2941	or die "unable to load archetypes\n";
		2942	#d# NEED to laod twice to resolve forward references
		2943	# this really needs to be done in an extra post-pass
		2944	# (which needs to be synchronous, so solve it differently)
		2945	load_resource_file "$DATADIR/archetypes"
		2946	or die "unable to load archetypes\n";
		2947	}
		2948
		2949	sub reload_treasures {
		2950	load_resource_file "$DATADIR/treasures"
		2951	or die "unable to load treasurelists\n";
		2952	}
		2953
2361	sub reload_resources {	2954	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2955	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	2956
		2957	reload_regions;
2364	load_facedata	2958	reload_facedata;
2365	or die "unable to load facedata\n";#d#	2959	#reload_archetypes;#d#
		2960	reload_archetypes;
		2961	reload_treasures;
		2962
		2963	warn "finished reloading resource files\n";
2366	}	2964	}
2367		2965
2368	sub init {	2966	sub init {
2369	reload_resources;	2967	reload_resources;
2370	}	2968	}
2371		2969
2372	sub cfg_load {	2970	sub cfg_load {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	2971	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	2972	or return;
2375		2973
2376	local $/;	2974	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	2975	*CFG = YAML::Syck::Load <$fh>;
2378		2976
…		…
2423	},	3021	},
2424	);	3022	);
2425	}	3023	}
2426	}	3024	}
2427		3025
		3026	sub write_runtime {
		3027	my $runtime = "$LOCALDIR/runtime";
		3028
		3029	# first touch the runtime file to show we are still running:
		3030	# the fsync below can take a very very long time.
		3031
		3032	IO::AIO::aio_utime $runtime, undef, undef;
		3033
		3034	my $guard = cf::lock_acquire "write_runtime";
		3035
		3036	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3037	or return;
		3038
		3039	my $value = $cf::RUNTIME + 90 + 10;
		3040	# 10 is the runtime save interval, for a monotonic clock
		3041	# 60 allows for the watchdog to kill the server.
		3042
		3043	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3044	and return;
		3045
		3046	# always fsync - this file is important
		3047	aio_fsync $fh
		3048	and return;
		3049
		3050	# touch it again to show we are up-to-date
		3051	aio_utime $fh, undef, undef;
		3052
		3053	close $fh
		3054	or return;
		3055
		3056	aio_rename "$runtime~", $runtime
		3057	and return;
		3058
		3059	warn "runtime file written.\n";
		3060
		3061	1
		3062	}
		3063
2428	sub emergency_save() {	3064	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3065	my $freeze_guard = cf::freeze_mainloop;
2430		3066
2431	warn "enter emergency perl save\n";	3067	warn "enter emergency perl save\n";
2432		3068
…		…
2463		3099
2464	warn Carp::longmess "post_cleanup backtrace"	3100	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3101	if $make_core;
2466	}	3102	}
2467		3103
2468	sub reload() {	3104	sub do_reload_perl() {
2469	# can/must only be called in main	3105	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3106	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3107	warn "can only reload from main coroutine";
2472	return;	3108	return;
2473	}	3109	}
…		…
2507	%EXT_CORO = ();	3143	%EXT_CORO = ();
2508		3144
2509	warn "removing commands";	3145	warn "removing commands";
2510	%COMMAND = ();	3146	%COMMAND = ();
2511		3147
2512	warn "removing ext commands";	3148	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3149	%EXTCMD = ();
		3150	%EXTICMD = ();
2514		3151
2515	warn "unloading/nuking all extensions";	3152	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3153	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3154	warn "... unloading $pkg";
2518		3155
…		…
2548	Symbol::delete_package "safe::$_"	3185	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3186	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3187
2551	warn "unloading cf.pm \"a bit\"";	3188	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3189	delete $INC{"cf.pm"};
		3190	delete $INC{"cf/pod.pm"};
2553		3191
2554	# don't, removes xs symbols, too,	3192	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3193	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3194	#Symbol::delete_package __PACKAGE__;
2557		3195
…		…
2572	warn "reattaching attachments to maps";	3210	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3211	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3212	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3213	reattach $_ for values %PLAYER;
2576		3214
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3215	warn "leaving sync_job";
2581		3216
2582	1	3217	1
2583	} or do {	3218	} or do {
2584	warn $@;	3219	warn $@;
…		…
2589	warn "reloaded";	3224	warn "reloaded";
2590	};	3225	};
2591		3226
2592	our $RELOAD_WATCHER; # used only during reload	3227	our $RELOAD_WATCHER; # used only during reload
2593		3228
		3229	sub reload_perl() {
		3230	# doing reload synchronously and two reloads happen back-to-back,
		3231	# coro crashes during coro_state_free->destroy here.
		3232
		3233	$RELOAD_WATCHER ||= Event->timer (
		3234	reentrant => 0,
		3235	after => 0,
		3236	data => WF_AUTOCANCEL,
		3237	cb => sub {
		3238	do_reload_perl;
		3239	undef $RELOAD_WATCHER;
		3240	},
		3241	);
		3242	}
		3243
2594	register_command "reload" => sub {	3244	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3245	my ($who, $arg) = @_;
2596		3246
2597	if ($who->flag (FLAG_WIZ)) {	3247	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3248	$who->message ("reloading server.");
2599		3249	async { reload_perl };
2600	# doing reload synchronously and two reloads happen back-to-back,
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);
2612	}	3250	}
2613	};	3251	};
2614		3252
2615	unshift @INC, $LIBDIR;	3253	unshift @INC, $LIBDIR;
2616		3254
2617	my $bug_warning = 0;	3255	my $bug_warning = 0;
2618		3256
		3257	our @WAIT_FOR_TICK;
		3258	our @WAIT_FOR_TICK_BEGIN;
		3259
		3260	sub wait_for_tick {
		3261	return unless $TICK_WATCHER->is_active;
		3262	return if $Coro::current == $Coro::main;
		3263
		3264	my $signal = new Coro::Signal;
		3265	push @WAIT_FOR_TICK, $signal;
		3266	$signal->wait;
		3267	}
		3268
		3269	sub wait_for_tick_begin {
		3270	return unless $TICK_WATCHER->is_active;
		3271	return if $Coro::current == $Coro::main;
		3272
		3273	my $signal = new Coro::Signal;
		3274	push @WAIT_FOR_TICK_BEGIN, $signal;
		3275	$signal->wait;
		3276	}
		3277
		3278	my $min = 1e6;#d#
		3279	my $avg = 10;
2619	$TICK_WATCHER = Event->timer (	3280	$TICK_WATCHER = Event->timer (
2620	reentrant => 0,	3281	reentrant => 0,
2621	parked => 1,	3282	parked => 1,
2622	prio => 0,	3283	prio => 0,
2623	at => $NEXT_TICK || $TICK,	3284	at => $NEXT_TICK || $TICK,
…		…
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3288	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3289	unless ++$bug_warning > 10;
2629	return;	3290	return;
2630	}	3291	}
2631		3292
2632	$NOW = Event::time;	3293	$NOW = $tick_start = Event::time;
2633		3294
2634	cf::server_tick; # one server iteration	3295	cf::server_tick; # one server iteration
		3296
		3297	0 && sync_job {#d#
		3298	for(1..10) {
		3299	my $t = Event::time;
		3300	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3301	or die;
		3302
		3303	$map->width (50);
		3304	$map->height (50);
		3305	$map->alloc;
		3306	$map->_load_objects ("/tmp/x.map", 1);
		3307	my $t = Event::time - $t;
		3308
		3309	#next unless $t < 0.0013;#d#
		3310	if ($t < $min) {
		3311	$min = $t;
		3312	}
		3313	$avg = $avg * 0.99 + $t * 0.01;
		3314	}
		3315	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3316	exit 0;
		3317	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3318	};
		3319
2635	$RUNTIME += $TICK;	3320	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;	3321	$NEXT_TICK += $TICK;
2637		3322
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3323	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3324	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2641	write_runtime	3326	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3327	or warn "ERROR: unable to write runtime file: $!";
2643	};	3328	};
2644	}	3329	}
2645		3330
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;	3331	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#	3332	# warn $AFTER - $NOW;#d#
2651		3333
		3334	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3335	$sig->send;
		3336	}
		3337	while (my $sig = shift @WAIT_FOR_TICK) {
		3338	$sig->send;
		3339	}
		3340
		3341	$NOW = Event::time;
		3342
2652	# if we are delayed by four ticks or more, skip them all	3343	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3344	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2654		3345
2655	$TICK_WATCHER->at ($NEXT_TICK);	3346	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;	3347	$TICK_WATCHER->start;
		3348
		3349	$LOAD = ($NOW - $tick_start) / $TICK;
		3350	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3351
		3352	_post_tick;
		3353
		3354
2657	},	3355	},
2658	);	3356	);
2659		3357
2660	{	3358	{
2661	BDB::max_poll_time $TICK * 0.1;	3359	BDB::max_poll_time $TICK * 0.1;
…		…
2689		3387
2690	cf::sync_job {	3388	cf::sync_job {
2691	eval {	3389	eval {
2692	BDB::db_env_open	3390	BDB::db_env_open
2693	$DB_ENV,	3391	$DB_ENV,
2694	$BDB_ENV_DIR,	3392	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3393	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3394	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3395	0666;
2698		3396
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3397	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700		3398
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3399	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;	3400	$DB_ENV->set_lk_detect;
2703	};	3401	};
2704		3402
…		…
2720	prio => 6,	3418	prio => 6,
2721	cb => \&IO::AIO::poll_cb,	3419	cb => \&IO::AIO::poll_cb,
2722	);	3420	);
2723	}	3421	}
2724		3422
		3423	my $_log_backtrace;
		3424
		3425	sub _log_backtrace {
		3426	my ($msg, @addr) = @_;
		3427
		3428	$msg =~ s/\n//;
		3429
		3430	# limit the # of concurrent backtraces
		3431	if ($_log_backtrace < 2) {
		3432	++$_log_backtrace;
		3433	async {
		3434	my @bt = fork_call {
		3435	@addr = map { sprintf "%x", $_ } @addr;
		3436	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3437	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3438	or die "addr2line: $!";
		3439
		3440	my @funcs;
		3441	my @res = <$fh>;
		3442	chomp for @res;
		3443	while (@res) {
		3444	my ($func, $line) = splice @res, 0, 2, ();
		3445	push @funcs, "[$func] $line";
		3446	}
		3447
		3448	@funcs
		3449	};
		3450
		3451	LOG llevInfo, "[ABT] $msg\n";
		3452	LOG llevInfo, "[ABT] $_\n" for @bt;
		3453	--$_log_backtrace;
		3454	};
		3455	} else {
		3456	LOG llevInfo, "[ABT] $msg\n";
		3457	LOG llevInfo, "[ABT] [suppressed]\n";
		3458	}
		3459	}
		3460
		3461	# load additional modules
		3462	use cf::pod;
		3463
2725	END { cf::emergency_save }	3464	END { cf::emergency_save }
2726		3465
2727	1	3466	1
2728		3467

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