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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.234 by root, Thu Apr 5 13:44:31 2007 UTC vs.
Revision 1.326 by root, Tue Jul 31 17:33:15 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->{last_save} = $cf::RUNTIME;
		1927	$self->last_access ($cf::RUNTIME);
		1928
		1929	$self->in_memory (cf::MAP_IN_MEMORY);
1487	}	1930	}
1488		1931
1489	$self->post_load;	1932	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	1933	}
1493		1934
1494	sub customise_for {	1935	sub customise_for {
1495	my ($self, $ob) = @_;	1936	my ($self, $ob) = @_;
1496		1937
1497	return find "~" . $ob->name . "/" . $self->{path}	1938	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	1939	if $self->per_player;
		1940
		1941	# return find "?party/" . $ob->name . "/" . $self->{path}
		1942	# if $self->per_party;
1499		1943
1500	$self	1944	$self
1501	}	1945	}
1502		1946
1503	# find and load all maps in the 3x3 area around a map	1947	# find and load all maps in the 3x3 area around a map
…		…
1550		1994
1551	undef $MAP_PREFETCH{$path};	1995	undef $MAP_PREFETCH{$path};
1552	$MAP_PREFETCHER ||= cf::async {	1996	$MAP_PREFETCHER ||= cf::async {
1553	while (%MAP_PREFETCH) {	1997	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	1998	for my $path (keys %MAP_PREFETCH) {
1555	my $map = find $path	1999	if (my $map = find $path) {
1556	or next;
1557	$map->load;	2000	$map->load;
		2001	}
1558		2002
1559	delete $MAP_PREFETCH{$path};	2003	delete $MAP_PREFETCH{$path};
1560	}	2004	}
1561	}	2005	}
1562	undef $MAP_PREFETCHER;	2006	undef $MAP_PREFETCHER;
…		…
1614		2058
1615	sub reset_at {	2059	sub reset_at {
1616	my ($self) = @_;	2060	my ($self) = @_;
1617		2061
1618	# TODO: safety, remove and allow resettable per-player maps	2062	# 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};	2063	return 1e99 if $self->{deny_reset};
1621		2064
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2065	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2066	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2067
…		…
1635	my ($self) = @_;	2078	my ($self) = @_;
1636		2079
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2080	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2081
1639	return if $self->players;	2082	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2083
1642	warn "resetting map ", $self->path;#d#	2084	warn "resetting map ", $self->path;
1643		2085
1644	$self->in_memory (cf::MAP_SWAPPED);	2086	$self->in_memory (cf::MAP_SWAPPED);
1645		2087
1646	# need to save uniques path	2088	# need to save uniques path
1647	unless ($self->{deny_save}) {	2089	unless ($self->{deny_save}) {
…		…
1679	$cf::MAP{$self->path} = $self;	2121	$cf::MAP{$self->path} = $self;
1680		2122
1681	$self->reset; # polite request, might not happen	2123	$self->reset; # polite request, might not happen
1682	}	2124	}
1683		2125
		2126	=item $maps = cf::map::tmp_maps
		2127
		2128	Returns an arrayref with all map paths of currently instantiated and saved
		2129	maps. May block.
		2130
		2131	=cut
		2132
		2133	sub tmp_maps() {
		2134	[
		2135	map {
		2136	utf8::decode $_;
		2137	/\.map$/
		2138	? normalise $_
		2139	: ()
		2140	} @{ aio_readdir $TMPDIR or [] }
		2141	]
		2142	}
		2143
		2144	=item $maps = cf::map::random_maps
		2145
		2146	Returns an arrayref with all map paths of currently instantiated and saved
		2147	random maps. May block.
		2148
		2149	=cut
		2150
		2151	sub random_maps() {
		2152	[
		2153	map {
		2154	utf8::decode $_;
		2155	/\.map$/
		2156	? normalise "?random/$_"
		2157	: ()
		2158	} @{ aio_readdir $RANDOMDIR or [] }
		2159	]
		2160	}
		2161
1684	=item cf::map::unique_maps	2162	=item cf::map::unique_maps
1685		2163
1686	Returns an arrayref of paths of all shared maps that have	2164	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2165	instantiated unique items. May block.
1688		2166
1689	=cut	2167	=cut
1690		2168
1691	sub unique_maps() {	2169	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2170	[
1693	or return;	2171	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2172	utf8::decode $_;
1699	next if /\.pst$/;	2173	/\.map$/
1700	next unless /^$PATH_SEP/o;	2174	? normalise $_
1701		2175	: ()
1702	push @paths, cf::map::normalise $_;	2176	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2177	]
1704
1705	\@paths
1706	}	2178	}
1707		2179
1708	package cf;	2180	package cf;
1709		2181
1710	=back	2182	=back
…		…
1756		2228
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2229	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2230
1759	if ($self->{record_replies}) {	2231	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2232	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2233
1761	} else {	2234	} else {
		2235	my $pl = $self->contr;
		2236
		2237	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2238	my $dialog = $pl->{npc_dialog};
		2239	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2240
		2241	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2242	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2243	$self->message ($msg, $flags);
		2244	}
1764	}	2245	}
1765	}	2246	}
1766		2247
1767	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1768		2249
…		…
1816	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1817		2298
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2300
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1822		2303
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2305	}
1825		2306
1826	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1828		2311
1829	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1830		2313
1831	unless ($map) {	2314	unless ($map) {
1832	# restore original map position	2315	# restore original map position
…		…
1855		2338
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1858	}	2341	}
1859		2342
1860	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861	on_logout => sub {
1862	my ($pl) = @_;
1863		2344
1864	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1865	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1866	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1867	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1868	};	2349	be called at the end of this process.
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2350
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	2351	=cut
		2352
		2353	our $GOTOGEN;
1895		2354
1896	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2356	my ($self, $path, $x, $y, $check, $done) = @_;
		2357
		2358	# do generation counting so two concurrent goto's will be executed in-order
		2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2360
1899	$self->enter_link;	2361	$self->enter_link;
1900		2362
1901	(async {	2363	(async {
1902	my $map = eval {	2364	my $map = eval {
1903	my $map = cf::map::find $path;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2368	$map = $map->customise_for ($self);
		2369	$map = $check->($map) if $check && $map;
		2370	} else {
		2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2372	}
		2373
1905	$map	2374	$map
		2375	};
		2376
		2377	if ($@) {
		2378	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2379	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2380	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2381
		2382	if ($gen == $self->{_goto_generation}) {
		2383	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1910	})->prio (1);	2388	})->prio (1);
1911	}	2389	}
1912		2390
1913	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
1914		2392
…		…
1953		2431
1954	$rmp->{random_seed} ||= $exit->random_seed;	2432	$rmp->{random_seed} ||= $exit->random_seed;
1955		2433
1956	my $data = cf::to_json $rmp;	2434	my $data = cf::to_json $rmp;
1957	my $md5 = Digest::MD5::md5_hex $data;	2435	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2436	my $meta = "$RANDOMDIR/$md5.meta";
1959		2437
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2439	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2440	undef $fh;
1963	aio_rename "$meta~", $meta;	2441	aio_rename "$meta~", $meta;
…		…
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;	2461	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;	2462	my $sp = $exit->stats->sp;
1985		2463
1986	$self->enter_link;	2464	$self->enter_link;
		2465
		2466	# if exit is damned, update players death & WoR home-position
		2467	$self->contr->savebed ($slaying, $hp, $sp)
		2468	if $exit->flag (FLAG_DAMNED);
1987		2469
1988	(async {	2470	(async {
1989	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
1990	unless (eval {	2472	unless (eval {
1991	$self->goto ($slaying, $hp, $sp);	2473	$self->goto ($slaying, $hp, $sp);
…		…
2019		2501
2020	utf8::encode $text;	2502	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2504	}
2023		2505
		2506	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	Send a drawinfo or msg packet to the client, formatting the msg for the
		2509	client if neccessary. C<$type> should be a string identifying the type of
		2510	the message, with C<log> being the default. If C<$color> is negative, suppress
		2511	the message unless the client supports the msg packet.
		2512
		2513	=cut
		2514
		2515	sub cf::client::send_msg {
		2516	my ($self, $channel, $msg, $color, @extra) = @_;
		2517
		2518	$msg = $self->pl->expand_cfpod ($msg);
		2519
		2520	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2521
		2522	if (ref $channel) {
		2523	# send meta info to client, if not yet sent
		2524	unless (exists $self->{channel}{$channel->{id}}) {
		2525	$self->{channel}{$channel->{id}} = $channel;
		2526	$self->ext_msg (channel_info => $channel);
		2527	}
		2528
		2529	$channel = $channel->{id};
		2530	}
		2531
		2532	return unless @extra || length $msg;
		2533
		2534	if ($self->can_msg) {
		2535	# default colour, mask it out
		2536	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2537	if $color & cf::NDI_DEF;
		2538
		2539	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2540	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2541	} else {
		2542	if ($color >= 0) {
		2543	# replace some tags by gcfclient-compatible ones
		2544	for ($msg) {
		2545	1 while
		2546	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2547	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2548	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2549	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2550	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2551	}
		2552
		2553	$color &= cf::NDI_COLOR_MASK;
		2554
		2555	if (0 && $msg =~ /\[/) {
		2556	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2557	} else {
		2558	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2559	$self->send_packet ("drawinfo $color $msg")
		2560	}
		2561	}
		2562	}
		2563	}
		2564
2024	=item $client->ext_event ($type, %msg)	2565	=item $client->ext_msg ($type, @msg)
2025		2566
2026	Sends an exti event to the client.	2567	Sends an ext event to the client.
2027		2568
2028	=cut	2569	=cut
2029		2570
2030	sub cf::client::ext_event($$%) {	2571	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	2572	my ($self, $type, @msg) = @_;
2032		2573
		2574	my $extcmd = $self->extcmd;
		2575
		2576	if ($extcmd == 2) {
		2577	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2578	} elsif ($extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	2579	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
2035	}	2582	}
2036		2583
2037	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
2038		2585
2039	Queues a query to the client, calling the given callback with	2586	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>,	2587	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>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2589
2043	Queries can fail, so check the return code. Or don't, as queries will become	2590	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	2591	become reliable at some point in the future.
2045		2592
2046	=cut	2593	=cut
2047		2594
2048	sub cf::client::query {	2595	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2604	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2606
2060	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
2062	}	2611	}
2063		2612
2064	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
2065	on_reply => sub {	2619	on_reply => sub {
2066	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
2067		2621
2068	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
2069	# get handled first	2623	# get handled first
…		…
2081	} else {	2635	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	2637	}
2084	}	2638	}
2085	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($ns, $buf) = @_;
		2642
		2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2644
		2645	if (ref $msg) {
		2646	my ($type, $reply, @payload) =
		2647	"ARRAY" eq ref $msg
		2648	? @$msg
		2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2650
		2651	if (my $cb = $EXTICMD{$type}) {
		2652	my @reply = $cb->($ns, @payload);
		2653
		2654	$ns->ext_reply ($reply, @reply)
		2655	if $reply;
		2656	}
		2657	} else {
		2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2659	}
		2660
		2661	cf::override;
		2662	},
2086	);	2663	);
2087		2664
2088	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
2089		2666
2090	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
2139		2716
2140	=pod	2717	=pod
2141		2718
2142	The following functions and methods are available within a safe environment:	2719	The following functions and methods are available within a safe environment:
2143		2720
2144	cf::object contr pay_amount pay_player map	2721	cf::object
		2722	contr pay_amount pay_player map x y force_find force_add
		2723	insert remove
		2724
2145	cf::object::player player	2725	cf::object::player
2146	cf::player peaceful	2726	player
2147	cf::map trigger	2727
		2728	cf::player
		2729	peaceful
		2730
		2731	cf::map
		2732	trigger
2148		2733
2149	=cut	2734	=cut
2150		2735
2151	for (	2736	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	2737	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2738	insert remove)],
2153	["cf::object::player" => qw(player)],	2739	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	2740	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	2741	["cf::map" => qw(trigger)],
2156	) {	2742	) {
2157	no strict 'refs';	2743	no strict 'refs';
…		…
2228	=back	2814	=back
2229		2815
2230	=cut	2816	=cut
2231		2817
2232	#############################################################################	2818	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$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 $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	2819	# the server's init and main functions
2306		2820
2307	sub load_facedata {	2821	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	2822	my ($path) = @_;
2309		2823
2310	warn "loading facedata from $path\n";	2824	warn "loading facedata from $path\n";
2311		2825
2312	my $faces;	2826	my $facedata;
2313	0 < aio_load $path, $faces	2827	0 < aio_load $path, $facedata
2314	or die "$path: $!";	2828	or die "$path: $!";
2315		2829
2316	Coro::cede;
2317	$faces = Storable::thaw $faces;	2830	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		2831
2320	my $meta = delete $faces->{""};
2321	$meta->{version} == 1	2832	$facedata->{version} == 2
2322	or cf::cleanup "$path: version mismatch, cannot proceed.";	2833	or cf::cleanup "$path: version mismatch, cannot proceed.";
2323		2834
		2835	{
		2836	my $faces = $facedata->{faceinfo};
		2837
2324	while (my ($face, $info) = each %$faces) {	2838	while (my ($face, $info) = each %$faces) {
2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2839	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2840	cf::face::set_visibility $idx, $info->{visibility};
		2841	cf::face::set_magicmap $idx, $info->{magicmap};
2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2842	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2843	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2329	Coro::cede;
2330	}
2331		2844
		2845	cf::cede_to_tick;
		2846	}
		2847
2332	while (my ($face, $info) = each %$faces) {	2848	while (my ($face, $info) = each %$faces) {
2333	next unless $info->{smooth};	2849	next unless $info->{smooth};
2334	my $idx = cf::face::find $face	2850	my $idx = cf::face::find $face
2335	or next;	2851	or next;
2336	if (my $smooth = cf::face::find $info->{smooth}) {	2852	if (my $smooth = cf::face::find $info->{smooth}) {
2337	cf::face::set_smooth $idx, $smooth;	2853	cf::face::set_smooth $idx, $smooth;
		2854	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2338	} else {	2855	} else {
2339	warn "smooth face '$info->{smooth}' not found for face '$face'";	2856	warn "smooth face '$info->{smooth}' not found for face '$face'";
2340	}	2857	}
2341	Coro::cede;	2858
		2859	cf::cede_to_tick;
		2860	}
		2861	}
		2862
		2863	{
		2864	my $anims = $facedata->{animinfo};
		2865
		2866	while (my ($anim, $info) = each %$anims) {
		2867	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2868	cf::cede_to_tick;
		2869	}
		2870
		2871	cf::anim::invalidate_all; # d'oh
		2872	}
		2873
		2874	{
		2875	# TODO: for gcfclient pleasure, we should give resources
		2876	# that gcfclient doesn't grok a >10000 face index.
		2877	my $res = $facedata->{resource};
		2878	my $enc = JSON::XS->new->utf8->canonical;
		2879
		2880	my $soundconf = delete $res->{"res/sound.conf"};
		2881
		2882	while (my ($name, $info) = each %$res) {
		2883	my $meta = $enc->encode ({
		2884	name => $name,
		2885	%{ $info->{meta} || {} },
		2886	});
		2887
		2888	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2889
		2890	if ($info->{type} & 1) {
		2891	# prepend meta info
		2892
		2893	my $data = pack "(w/a*)*", $meta, $info->{data};
		2894	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2895
		2896	cf::face::set_data $idx, 0, $data, $chk;
		2897	} else {
		2898	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2899	}
		2900
		2901	cf::face::set_type $idx, $info->{type};
		2902
		2903	cf::cede_to_tick;
		2904	}
		2905
		2906	if ($soundconf) {
		2907	$soundconf = $enc->decode (delete $soundconf->{data});
		2908
		2909	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2910	my $sound = $soundconf->{compat}[$_]
		2911	or next;
		2912
		2913	my $face = cf::face::find "sound/$sound->[1]";
		2914	cf::sound::set $sound->[0] => $face;
		2915	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2916	}
		2917
		2918	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2919	my $face = cf::face::find "sound/$v";
		2920	cf::sound::set $k => $face;
		2921	}
		2922	}
2342	}	2923	}
2343		2924
2344	1	2925	1
2345	}	2926	}
2346		2927
		2928	register_exticmd fx_want => sub {
		2929	my ($ns, $want) = @_;
		2930
		2931	while (my ($k, $v) = each %$want) {
		2932	$ns->fx_want ($k, $v);
		2933	}
		2934	};
		2935
		2936	sub reload_regions {
		2937	load_resource_file "$MAPDIR/regions"
		2938	or die "unable to load regions file\n";
		2939
		2940	for (cf::region::list) {
		2941	$_->{match} = qr/$_->{match}/
		2942	if exists $_->{match};
		2943	}
		2944	}
		2945
		2946	sub reload_facedata {
		2947	load_facedata "$DATADIR/facedata"
		2948	or die "unable to load facedata\n";
		2949	}
		2950
		2951	sub reload_archetypes {
		2952	load_resource_file "$DATADIR/archetypes"
		2953	or die "unable to load archetypes\n";
		2954	#d# NEED to laod twice to resolve forward references
		2955	# this really needs to be done in an extra post-pass
		2956	# (which needs to be synchronous, so solve it differently)
		2957	load_resource_file "$DATADIR/archetypes"
		2958	or die "unable to load archetypes\n";
		2959	}
		2960
		2961	sub reload_treasures {
		2962	load_resource_file "$DATADIR/treasures"
		2963	or die "unable to load treasurelists\n";
		2964	}
		2965
2347	sub reload_resources {	2966	sub reload_resources {
2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2967	warn "reloading resource files...\n";
2349	or die "unable to load regions file\n";#d#	2968
		2969	reload_regions;
2350	load_facedata	2970	reload_facedata;
2351	or die "unable to load facedata\n";#d#	2971	#reload_archetypes;#d#
		2972	reload_archetypes;
		2973	reload_treasures;
		2974
		2975	warn "finished reloading resource files\n";
2352	}	2976	}
2353		2977
2354	sub init {	2978	sub init {
2355	reload_resources;	2979	reload_resources;
2356	}	2980	}
2357		2981
2358	sub cfg_load {	2982	sub cfg_load {
2359	open my $fh, "<:utf8", cf::confdir . "/config"	2983	open my $fh, "<:utf8", "$CONFDIR/config"
2360	or return;	2984	or return;
2361		2985
2362	local $/;	2986	local $/;
2363	*CFG = YAML::Syck::Load <$fh>;	2987	*CFG = YAML::Syck::Load <$fh>;
2364		2988
…		…
2409	},	3033	},
2410	);	3034	);
2411	}	3035	}
2412	}	3036	}
2413		3037
		3038	sub write_runtime {
		3039	my $runtime = "$LOCALDIR/runtime";
		3040
		3041	# first touch the runtime file to show we are still running:
		3042	# the fsync below can take a very very long time.
		3043
		3044	IO::AIO::aio_utime $runtime, undef, undef;
		3045
		3046	my $guard = cf::lock_acquire "write_runtime";
		3047
		3048	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3049	or return;
		3050
		3051	my $value = $cf::RUNTIME + 90 + 10;
		3052	# 10 is the runtime save interval, for a monotonic clock
		3053	# 60 allows for the watchdog to kill the server.
		3054
		3055	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3056	and return;
		3057
		3058	# always fsync - this file is important
		3059	aio_fsync $fh
		3060	and return;
		3061
		3062	# touch it again to show we are up-to-date
		3063	aio_utime $fh, undef, undef;
		3064
		3065	close $fh
		3066	or return;
		3067
		3068	aio_rename "$runtime~", $runtime
		3069	and return;
		3070
		3071	warn "runtime file written.\n";
		3072
		3073	1
		3074	}
		3075
2414	sub emergency_save() {	3076	sub emergency_save() {
2415	my $freeze_guard = cf::freeze_mainloop;	3077	my $freeze_guard = cf::freeze_mainloop;
2416		3078
2417	warn "enter emergency perl save\n";	3079	warn "enter emergency perl save\n";
2418		3080
…		…
2449		3111
2450	warn Carp::longmess "post_cleanup backtrace"	3112	warn Carp::longmess "post_cleanup backtrace"
2451	if $make_core;	3113	if $make_core;
2452	}	3114	}
2453		3115
2454	sub reload() {	3116	sub do_reload_perl() {
2455	# can/must only be called in main	3117	# can/must only be called in main
2456	if ($Coro::current != $Coro::main) {	3118	if ($Coro::current != $Coro::main) {
2457	warn "can only reload from main coroutine";	3119	warn "can only reload from main coroutine";
2458	return;	3120	return;
2459	}	3121	}
…		…
2493	%EXT_CORO = ();	3155	%EXT_CORO = ();
2494		3156
2495	warn "removing commands";	3157	warn "removing commands";
2496	%COMMAND = ();	3158	%COMMAND = ();
2497		3159
2498	warn "removing ext commands";	3160	warn "removing ext/exti commands";
2499	%EXTCMD = ();	3161	%EXTCMD = ();
		3162	%EXTICMD = ();
2500		3163
2501	warn "unloading/nuking all extensions";	3164	warn "unloading/nuking all extensions";
2502	for my $pkg (@EXTS) {	3165	for my $pkg (@EXTS) {
2503	warn "... unloading $pkg";	3166	warn "... unloading $pkg";
2504		3167
…		…
2534	Symbol::delete_package "safe::$_"	3197	Symbol::delete_package "safe::$_"
2535	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3198	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2536		3199
2537	warn "unloading cf.pm \"a bit\"";	3200	warn "unloading cf.pm \"a bit\"";
2538	delete $INC{"cf.pm"};	3201	delete $INC{"cf.pm"};
		3202	delete $INC{"cf/pod.pm"};
2539		3203
2540	# don't, removes xs symbols, too,	3204	# don't, removes xs symbols, too,
2541	# and global variables created in xs	3205	# and global variables created in xs
2542	#Symbol::delete_package __PACKAGE__;	3206	#Symbol::delete_package __PACKAGE__;
2543		3207
…		…
2558	warn "reattaching attachments to maps";	3222	warn "reattaching attachments to maps";
2559	reattach $_ for values %MAP;	3223	reattach $_ for values %MAP;
2560	warn "reattaching attachments to players";	3224	warn "reattaching attachments to players";
2561	reattach $_ for values %PLAYER;	3225	reattach $_ for values %PLAYER;
2562		3226
2563	warn "loading reloadable resources";
2564	reload_resources;
2565
2566	warn "leaving sync_job";	3227	warn "leaving sync_job";
2567		3228
2568	1	3229	1
2569	} or do {	3230	} or do {
2570	warn $@;	3231	warn $@;
…		…
2575	warn "reloaded";	3236	warn "reloaded";
2576	};	3237	};
2577		3238
2578	our $RELOAD_WATCHER; # used only during reload	3239	our $RELOAD_WATCHER; # used only during reload
2579		3240
		3241	sub reload_perl() {
		3242	# doing reload synchronously and two reloads happen back-to-back,
		3243	# coro crashes during coro_state_free->destroy here.
		3244
		3245	$RELOAD_WATCHER ||= Event->timer (
		3246	reentrant => 0,
		3247	after => 0,
		3248	data => WF_AUTOCANCEL,
		3249	cb => sub {
		3250	do_reload_perl;
		3251	undef $RELOAD_WATCHER;
		3252	},
		3253	);
		3254	}
		3255
2580	register_command "reload" => sub {	3256	register_command "reload" => sub {
2581	my ($who, $arg) = @_;	3257	my ($who, $arg) = @_;
2582		3258
2583	if ($who->flag (FLAG_WIZ)) {	3259	if ($who->flag (FLAG_WIZ)) {
2584	$who->message ("reloading server.");	3260	$who->message ("reloading server.");
2585		3261	async { reload_perl };
2586	# doing reload synchronously and two reloads happen back-to-back,
2587	# coro crashes during coro_state_free->destroy here.
2588
2589	$RELOAD_WATCHER ||= Event->timer (
2590	reentrant => 0,
2591	after => 0,
2592	data => WF_AUTOCANCEL,
2593	cb => sub {
2594	reload;
2595	undef $RELOAD_WATCHER;
2596	},
2597	);
2598	}	3262	}
2599	};	3263	};
2600		3264
2601	unshift @INC, $LIBDIR;	3265	unshift @INC, $LIBDIR;
2602		3266
2603	my $bug_warning = 0;	3267	my $bug_warning = 0;
2604		3268
		3269	our @WAIT_FOR_TICK;
		3270	our @WAIT_FOR_TICK_BEGIN;
		3271
		3272	sub wait_for_tick {
		3273	return unless $TICK_WATCHER->is_active;
		3274	return if $Coro::current == $Coro::main;
		3275
		3276	my $signal = new Coro::Signal;
		3277	push @WAIT_FOR_TICK, $signal;
		3278	$signal->wait;
		3279	}
		3280
		3281	sub wait_for_tick_begin {
		3282	return unless $TICK_WATCHER->is_active;
		3283	return if $Coro::current == $Coro::main;
		3284
		3285	my $signal = new Coro::Signal;
		3286	push @WAIT_FOR_TICK_BEGIN, $signal;
		3287	$signal->wait;
		3288	}
		3289
		3290	my $min = 1e6;#d#
		3291	my $avg = 10;
2605	$TICK_WATCHER = Event->timer (	3292	$TICK_WATCHER = Event->timer (
2606	reentrant => 0,	3293	reentrant => 0,
2607	parked => 1,	3294	parked => 1,
2608	prio => 0,	3295	prio => 0,
2609	at => $NEXT_TICK || $TICK,	3296	at => $NEXT_TICK || $TICK,
…		…
2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3300	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614	unless ++$bug_warning > 10;	3301	unless ++$bug_warning > 10;
2615	return;	3302	return;
2616	}	3303	}
2617		3304
2618	$NOW = Event::time;	3305	$NOW = $tick_start = Event::time;
2619		3306
2620	cf::server_tick; # one server iteration	3307	cf::server_tick; # one server iteration
		3308
		3309	0 && sync_job {#d#
		3310	for(1..10) {
		3311	my $t = Event::time;
		3312	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3313	or die;
		3314
		3315	$map->width (50);
		3316	$map->height (50);
		3317	$map->alloc;
		3318	$map->_load_objects ("/tmp/x.map", 1);
		3319	my $t = Event::time - $t;
		3320
		3321	#next unless $t < 0.0013;#d#
		3322	if ($t < $min) {
		3323	$min = $t;
		3324	}
		3325	$avg = $avg * 0.99 + $t * 0.01;
		3326	}
		3327	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3328	exit 0;
		3329	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3330	};
		3331
2621	$RUNTIME += $TICK;	3332	$RUNTIME += $TICK;
2622	$NEXT_TICK += $TICK;	3333	$NEXT_TICK += $TICK;
2623		3334
2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3335	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625	$NEXT_RUNTIME_WRITE = $NOW + 10;	3336	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2627	write_runtime	3338	write_runtime
2628	or warn "ERROR: unable to write runtime file: $!";	3339	or warn "ERROR: unable to write runtime file: $!";
2629	};	3340	};
2630	}	3341	}
2631		3342
2632	$WAIT_FOR_TICK->broadcast;
2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635	# my $AFTER = Event::time;	3343	# my $AFTER = Event::time;
2636	# warn $AFTER - $NOW;#d#	3344	# warn $AFTER - $NOW;#d#
2637		3345
		3346	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3347	$sig->send;
		3348	}
		3349	while (my $sig = shift @WAIT_FOR_TICK) {
		3350	$sig->send;
		3351	}
		3352
		3353	$NOW = Event::time;
		3354
2638	# if we are delayed by four ticks or more, skip them all	3355	# if we are delayed by four ticks or more, skip them all
2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3356	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2640		3357
2641	$TICK_WATCHER->at ($NEXT_TICK);	3358	$TICK_WATCHER->at ($NEXT_TICK);
2642	$TICK_WATCHER->start;	3359	$TICK_WATCHER->start;
		3360
		3361	$LOAD = ($NOW - $tick_start) / $TICK;
		3362	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3363
		3364	_post_tick;
		3365
		3366
2643	},	3367	},
2644	);	3368	);
2645		3369
2646	{	3370	{
2647	BDB::max_poll_time $TICK * 0.1;	3371	BDB::max_poll_time $TICK * 0.1;
…		…
2675		3399
2676	cf::sync_job {	3400	cf::sync_job {
2677	eval {	3401	eval {
2678	BDB::db_env_open	3402	BDB::db_env_open
2679	$DB_ENV,	3403	$DB_ENV,
2680	$BDB_ENV_DIR,	3404	$BDBDIR,
2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3405	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3406	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683	0666;	3407	0666;
2684		3408
2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3409	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2686		3410
2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3411	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688	$DB_ENV->set_lk_detect;	3412	$DB_ENV->set_lk_detect;
2689	};	3413	};
2690		3414
…		…
2706	prio => 6,	3430	prio => 6,
2707	cb => \&IO::AIO::poll_cb,	3431	cb => \&IO::AIO::poll_cb,
2708	);	3432	);
2709	}	3433	}
2710		3434
		3435	my $_log_backtrace;
		3436
		3437	sub _log_backtrace {
		3438	my ($msg, @addr) = @_;
		3439
		3440	$msg =~ s/\n//;
		3441
		3442	# limit the # of concurrent backtraces
		3443	if ($_log_backtrace < 2) {
		3444	++$_log_backtrace;
		3445	async {
		3446	my @bt = fork_call {
		3447	@addr = map { sprintf "%x", $_ } @addr;
		3448	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3449	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3450	or die "addr2line: $!";
		3451
		3452	my @funcs;
		3453	my @res = <$fh>;
		3454	chomp for @res;
		3455	while (@res) {
		3456	my ($func, $line) = splice @res, 0, 2, ();
		3457	push @funcs, "[$func] $line";
		3458	}
		3459
		3460	@funcs
		3461	};
		3462
		3463	LOG llevInfo, "[ABT] $msg\n";
		3464	LOG llevInfo, "[ABT] $_\n" for @bt;
		3465	--$_log_backtrace;
		3466	};
		3467	} else {
		3468	LOG llevInfo, "[ABT] $msg\n";
		3469	LOG llevInfo, "[ABT] [suppressed]\n";
		3470	}
		3471	}
		3472
		3473	# load additional modules
		3474	use cf::pod;
		3475
2711	END { cf::emergency_save }	3476	END { cf::emergency_save }
2712		3477
2713	1	3478	1
2714		3479

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