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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.315 by root, Mon Jul 23 17:53:55 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"
		644	}
		645
		646	=item cf::datalog type => key => value, ...
		647
		648	Log a datalog packet of the given type with the given key-value pairs.
		649
		650	=cut
		651
		652	sub datalog($@) {
		653	my ($type, %kv) = @_;
		654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	655	}
377		656
378	=back	657	=back
379		658
380	=cut	659	=cut
…		…
387	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")
388	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
389		668
390	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>
391	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
392	crossfire+).	671	Crossfire TRT).
393		672
394	=over 4	673	=over 4
395		674
396	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
397		676
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
561		840
562	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		845
567	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	847	my $pkg = shift @arg;
569		848
570	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
600	}	879	}
601		880
602	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
603	} else {	882	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	884	}
606		885
607	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
608	}	887	}
609		888
…		…
611	if (ref $_[0]) {	890	if (ref $_[0]) {
612	_object_attach @_;	891	_object_attach @_;
613	} else {	892	} else {
614	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
615	}	894	}
		895	_recalc_want;
616	};	896	};
617		897
618	# all those should be optimised	898	# all those should be optimised
619	sub cf::attachable::detach {	899	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
624	reattach ($obj);	904	reattach ($obj);
625	} else {	905	} else {
626	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
627	}	907	}
		908	_recalc_want;
628	};	909	};
629		910
630	sub cf::attachable::attached {	911	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
632		913
…		…
647	";	928	";
648	die if $@;	929	die if $@;
649	}	930	}
650		931
651	our $override;	932	our $override;
652	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?
653		934
654	sub override {	935	sub override {
655	$override = 1;	936	$override = 1;
656	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
657	}	938	}
658		939
659	sub do_invoke {	940	sub do_invoke {
660	my $event = shift;	941	my $event = shift;
661	my $callbacks = shift;	942	my $callbacks = shift;
662		943
663	@invoke_results = ();	944	@INVOKE_RESULTS = ();
664		945
665	local $override;	946	local $override;
666		947
667	for (@$callbacks) {	948	for (@$callbacks) {
668	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
685		966
686	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
687		968
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		972
692	=back	973	=back
693		974
694	=cut	975	=cut
695		976
696	#############################################################################	977	#############################################################################
697	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
698		990
699	sub reattach {	991	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	993	my ($obj) = @_;
702		994
…		…
805	or return;	1097	or return;
806	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
807	}	1099	}
808		1100
809	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
811	return ($data, $av);	1103	return ($data, $av);
812	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
813		1111
814	#############################################################################	1112	#############################################################################
815	# command handling &c	1113	# command handling &c
816		1114
817	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1129	}
832		1130
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1132
835	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.
836		1138
837	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
838	called.	1140	called.
839		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
840	=cut	1153	=cut
841		1154
842	sub register_extcmd {	1155	sub register_extcmd {
843	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
844		1157
845	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
846	}	1165	}
847		1166
848	cf::player->attach (	1167	cf::player->attach (
849	on_command => sub {	1168	on_command => sub {
850	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
859	cf::override;	1178	cf::override;
860	},	1179	},
861	on_extcmd => sub {	1180	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
863		1182
864	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1184
866	if (ref $msg) {	1185	if (ref $msg) {
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1186	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
868	if (my %reply = $cb->($pl, $msg)) {	1187	if (my %reply = $cb->($pl, $msg)) {
869	$pl->ext_reply ($msg->{msgid}, %reply);	1188	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
875		1194
876	cf::override;	1195	cf::override;
877	},	1196	},
878	);	1197	);
879		1198
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
915	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1204	next unless -r $path;
917	eval {	1205
918	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
919	1	1263	}
920	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
921	}	1269	};
922	}	1270	}
923		1271
924	#############################################################################	1272	#############################################################################
925		1273
		1274	=back
		1275
926	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
927		1277
928	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
929		1279
930	=cut	1280	=cut
…		…
942	Returns the given player object, loading it if necessary (might block).	1292	Returns the given player object, loading it if necessary (might block).
943		1293
944	=cut	1294	=cut
945		1295
946	sub playerdir($) {	1296	sub playerdir($) {
947	cf::localdir	1297	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1298	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1299	}
953		1300
954	sub path($) {	1301	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1302	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1303
957	(playerdir $login) . "/$login.pl"	1304	(playerdir $login) . "/playerdata"
958	}	1305	}
959		1306
960	sub find_active($) {	1307	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1308	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1309	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1322	my $login = $_[0];
976		1323
977	my $guard = cf::lock_acquire "user_find:$login";	1324	my $guard = cf::lock_acquire "user_find:$login";
978		1325
979	$cf::PLAYER{$_[0]} || do {	1326	$cf::PLAYER{$_[0]} || do {
		1327	# rename old playerfiles to new ones
		1328	#TODO: remove when no longer required
		1329	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1330	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1331	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1332	aio_unlink +(playerdir $login) . "/$login.pl";
		1333
980	my $pl = load_pl path $login	1334	my $pl = load_pl path $login
981	or return;	1335	or return;
982	$cf::PLAYER{$login} = $pl	1336	$cf::PLAYER{$login} = $pl
983	}	1337	}
984	}	1338	}
…		…
1068	while and may block, so not sync_job-capable, ever.	1422	while and may block, so not sync_job-capable, ever.
1069		1423
1070	=cut	1424	=cut
1071		1425
1072	sub list_logins {	1426	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1427	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1428	or return [];
1075		1429
1076	my @logins;	1430	my @logins;
1077		1431
1078	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
…		…
1113	}	1467	}
1114		1468
1115	\@paths	1469	\@paths
1116	}	1470	}
1117		1471
		1472	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1473
		1474	Expand crossfire pod fragments into protocol xml.
		1475
		1476	=cut
		1477
		1478	sub expand_cfpod {
		1479	((my $self), (local $_)) = @_;
		1480
		1481	# escape & and <
		1482	s/&/&amp;/g;
		1483	s/(?<![BIUGH])</&lt;/g;
		1484
		1485	# this is buggy, it needs to properly take care of nested <'s
		1486
		1487	1 while
		1488	# replace B<>, I<>, U<> etc.
		1489	s/B<([^\>]*)>/<b>$1<\/b>/
		1490	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1491	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1492	# replace G<male|female> tags
		1493	|| s{G<([^>|]*)\|([^>]*)>}{
		1494	$self->gender ? $2 : $1
		1495	}ge
		1496	# replace H<hint text>
		1497	|| s{H<([^\>]*)>}
		1498	{
		1499	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1500	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1501	"")
		1502	[$self->{hintmode}]
		1503	}ge;
		1504
		1505	# create single paragraphs (very hackish)
		1506	s/(?<=\S)\n(?=\w)/ /g;
		1507
		1508	# compress some whitespace
		1509	s/\s+\n/\n/g; # ws line-ends
		1510	s/\n\n+/\n/g; # double lines
		1511	s/^\n+//; # beginning lines
		1512	s/\n+$//; # ending lines
		1513
		1514	$_
		1515	}
		1516
		1517	sub hintmode {
		1518	$_[0]{hintmode} = $_[1] if @_ > 1;
		1519	$_[0]{hintmode}
		1520	}
		1521
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1522	=item $player->ext_reply ($msgid, %msg)
1119		1523
1120	Sends an ext reply to the player.	1524	Sends an ext reply to the player.
1121		1525
1122	=cut	1526	=cut
1123		1527
1124	sub ext_reply($$$%) {	1528	sub ext_reply($$%) {
1125	my ($self, $id, %msg) = @_;	1529	my ($self, $id, %msg) = @_;
1126		1530
1127	$msg{msgid} = $id;	1531	$msg{msgid} = $id;
1128		1532	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1533	}
1131		1534
1132	package cf;	1535	=item $player->ext_event ($type, %msg)
		1536
		1537	Sends an ext event to the client.
		1538
		1539	=cut
		1540
		1541	sub ext_event($$%) {
		1542	my ($self, $type, %msg) = @_;
		1543
		1544	$self->ns->ext_event ($type, %msg);
		1545	}
		1546
		1547	=head3 cf::region
		1548
		1549	=over 4
		1550
		1551	=cut
		1552
		1553	package cf::region;
		1554
		1555	=item cf::region::find_by_path $path
		1556
		1557	Tries to decuce the likely region for a map knowing only its path.
		1558
		1559	=cut
		1560
		1561	sub find_by_path($) {
		1562	my ($path) = @_;
		1563
		1564	my ($match, $specificity);
		1565
		1566	for my $region (list) {
		1567	if ($region->{match} && $path =~ $region->{match}) {
		1568	($match, $specificity) = ($region, $region->specificity)
		1569	if $region->specificity > $specificity;
		1570	}
		1571	}
		1572
		1573	$match
		1574	}
1133		1575
1134	=back	1576	=back
1135
1136		1577
1137	=head3 cf::map	1578	=head3 cf::map
1138		1579
1139	=over 4	1580	=over 4
1140		1581
…		…
1195	my ($self, $merge) = @_;	1636	my ($self, $merge) = @_;
1196		1637
1197	# we have to keep some variables in memory intact	1638	# we have to keep some variables in memory intact
1198	local $self->{path};	1639	local $self->{path};
1199	local $self->{load_path};	1640	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1641
1203	$self->SUPER::thawer_merge ($merge);	1642	$self->SUPER::thawer_merge ($merge);
1204	}	1643	}
1205		1644
1206	sub normalise {	1645	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1692	$self->init; # pass $1 etc.
1254	return $self;	1693	return $self;
1255	}	1694	}
1256	}	1695	}
1257		1696
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1697	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1698	()
1260	}	1699	}
1261		1700
1262	sub init {	1701	sub init {
1263	my ($self) = @_;	1702	my ($self) = @_;
…		…
1278		1717
1279	# the original (read-only) location	1718	# the original (read-only) location
1280	sub load_path {	1719	sub load_path {
1281	my ($self) = @_;	1720	my ($self) = @_;
1282		1721
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1722	"$MAPDIR/$self->{path}.map"
1284	}	1723	}
1285		1724
1286	# the temporary/swap location	1725	# the temporary/swap location
1287	sub save_path {	1726	sub save_path {
1288	my ($self) = @_;	1727	my ($self) = @_;
1289		1728
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1729	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1730	"$TMPDIR/$path.map"
1292	}	1731	}
1293		1732
1294	# the unique path, undef == no special unique path	1733	# the unique path, undef == no special unique path
1295	sub uniq_path {	1734	sub uniq_path {
1296	my ($self) = @_;	1735	my ($self) = @_;
1297		1736
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1737	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1738	"$UNIQUEDIR/$path"
1300	}	1739	}
1301		1740
1302	# and all this just because we cannot iterate over	1741	# and all this just because we cannot iterate over
1303	# all maps in C++...	1742	# all maps in C++...
1304	sub change_all_map_light {	1743	sub change_all_map_light {
1305	my ($change) = @_;	1744	my ($change) = @_;
1306		1745
1307	$_->change_map_light ($change)	1746	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1747	for grep $_->outdoor, values %cf::MAP;
		1748	}
		1749
		1750	sub decay_objects {
		1751	my ($self) = @_;
		1752
		1753	return if $self->{deny_reset};
		1754
		1755	$self->do_decay_objects;
1309	}	1756	}
1310		1757
1311	sub unlink_save {	1758	sub unlink_save {
1312	my ($self) = @_;	1759	my ($self) = @_;
1313		1760
…		…
1371	$self->load_header_orig	1818	$self->load_header_orig
1372	or return;	1819	or return;
1373	$self->prepare_orig;	1820	$self->prepare_orig;
1374	}	1821	}
1375		1822
		1823	$self->{deny_reset} = 1
		1824	if $self->no_reset;
		1825
		1826	$self->default_region (cf::region::find_by_path $self->{path})
		1827	unless $self->default_region;
		1828
1376	1	1829	1
1377	}	1830	}
1378		1831
1379	sub find;	1832	sub find;
1380	sub find {	1833	sub find {
…		…
1392	$map->{last_save} = $cf::RUNTIME;	1845	$map->{last_save} = $cf::RUNTIME;
1393		1846
1394	$map->load_header	1847	$map->load_header
1395	or return;	1848	or return;
1396		1849
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1850	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1851	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1852	#$cf::WAIT_FOR_TICK->wait;
1400	$map->reset;	1853	$map->reset;
1401	undef $guard;	1854	undef $guard;
1402	return find $path;	1855	return find $path;
…		…
1413	my ($self) = @_;	1866	my ($self) = @_;
1414		1867
1415	local $self->{deny_reset} = 1; # loading can take a long time	1868	local $self->{deny_reset} = 1; # loading can take a long time
1416		1869
1417	my $path = $self->{path};	1870	my $path = $self->{path};
		1871
		1872	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1873	my $guard = cf::lock_acquire "map_load:$path";
1419		1874
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1875	return if $self->in_memory != cf::MAP_SWAPPED;
1421		1876
1422	$self->in_memory (cf::MAP_LOADING);	1877	$self->in_memory (cf::MAP_LOADING);
1423		1878
1424	$self->alloc;	1879	$self->alloc;
1425		1880
1426	$self->pre_load;	1881	$self->pre_load;
1427
1428	$self->_load_objects ($self->{load_path}, 1)
1429	or return;
1430
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};
1433
1434	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {
1437	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);
1439	}
1440	}
1441
1442	Coro::cede;
1443
1444	# now do the right thing for maps
1445	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;	1882	Coro::cede;
1452	$self->set_darkness_map;	1883
		1884	$self->_load_objects ($self->{load_path}, 1)
		1885	or return;
		1886
		1887	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1888	if delete $self->{load_original};
		1889
		1890	if (my $uniq = $self->uniq_path) {
		1891	utf8::encode $uniq;
		1892	if (aio_open $uniq, O_RDONLY, 0) {
		1893	$self->clear_unique_items;
		1894	$self->_load_objects ($uniq, 0);
		1895	}
		1896	}
		1897
		1898	Coro::cede;
		1899	# now do the right thing for maps
		1900	$self->link_multipart_objects;
1453	$self->difficulty ($self->estimate_difficulty)	1901	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1902	unless $self->difficulty;
1455	Coro::cede;	1903	Coro::cede;
		1904
		1905	unless ($self->{deny_activate}) {
		1906	$self->decay_objects;
		1907	$self->fix_auto_apply;
		1908	$self->update_buttons;
		1909	Coro::cede;
		1910	$self->set_darkness_map;
		1911	Coro::cede;
1456	$self->activate;	1912	$self->activate;
		1913	}
		1914
		1915	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1916	}
1458		1917
1459	$self->post_load;	1918	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1919	}
1463		1920
1464	sub customise_for {	1921	sub customise_for {
1465	my ($self, $ob) = @_;	1922	my ($self, $ob) = @_;
1466		1923
1467	return find "~" . $ob->name . "/" . $self->{path}	1924	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1925	if $self->per_player;
		1926
		1927	# return find "?party/" . $ob->name . "/" . $self->{path}
		1928	# if $self->per_party;
1469		1929
1470	$self	1930	$self
1471	}	1931	}
1472		1932
1473	# find and load all maps in the 3x3 area around a map	1933	# find and load all maps in the 3x3 area around a map
…		…
1520		1980
1521	undef $MAP_PREFETCH{$path};	1981	undef $MAP_PREFETCH{$path};
1522	$MAP_PREFETCHER ||= cf::async {	1982	$MAP_PREFETCHER ||= cf::async {
1523	while (%MAP_PREFETCH) {	1983	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	1984	for my $path (keys %MAP_PREFETCH) {
1525	my $map = find $path	1985	if (my $map = find $path) {
1526	or next;
1527	$map->load;	1986	$map->load;
		1987	}
1528		1988
1529	delete $MAP_PREFETCH{$path};	1989	delete $MAP_PREFETCH{$path};
1530	}	1990	}
1531	}	1991	}
1532	undef $MAP_PREFETCHER;	1992	undef $MAP_PREFETCHER;
…		…
1584		2044
1585	sub reset_at {	2045	sub reset_at {
1586	my ($self) = @_;	2046	my ($self) = @_;
1587		2047
1588	# TODO: safety, remove and allow resettable per-player maps	2048	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2049	return 1e99 if $self->{deny_reset};
1591		2050
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2053
…		…
1605	my ($self) = @_;	2064	my ($self) = @_;
1606		2065
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2067
1609	return if $self->players;	2068	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2069
1612	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
1613		2071
1614	$self->in_memory (cf::MAP_SWAPPED);	2072	$self->in_memory (cf::MAP_SWAPPED);
1615		2073
1616	# need to save uniques path	2074	# need to save uniques path
1617	unless ($self->{deny_save}) {	2075	unless ($self->{deny_save}) {
…		…
1649	$cf::MAP{$self->path} = $self;	2107	$cf::MAP{$self->path} = $self;
1650		2108
1651	$self->reset; # polite request, might not happen	2109	$self->reset; # polite request, might not happen
1652	}	2110	}
1653		2111
		2112	=item $maps = cf::map::tmp_maps
		2113
		2114	Returns an arrayref with all map paths of currently instantiated and saved
		2115	maps. May block.
		2116
		2117	=cut
		2118
		2119	sub tmp_maps() {
		2120	[
		2121	map {
		2122	utf8::decode $_;
		2123	/\.map$/
		2124	? normalise $_
		2125	: ()
		2126	} @{ aio_readdir $TMPDIR or [] }
		2127	]
		2128	}
		2129
		2130	=item $maps = cf::map::random_maps
		2131
		2132	Returns an arrayref with all map paths of currently instantiated and saved
		2133	random maps. May block.
		2134
		2135	=cut
		2136
		2137	sub random_maps() {
		2138	[
		2139	map {
		2140	utf8::decode $_;
		2141	/\.map$/
		2142	? normalise "?random/$_"
		2143	: ()
		2144	} @{ aio_readdir $RANDOMDIR or [] }
		2145	]
		2146	}
		2147
1654	=item cf::map::unique_maps	2148	=item cf::map::unique_maps
1655		2149
1656	Returns an arrayref of paths of all shared maps that have	2150	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2151	instantiated unique items. May block.
1658		2152
1659	=cut	2153	=cut
1660		2154
1661	sub unique_maps() {	2155	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2156	[
1663	or return;	2157	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2158	utf8::decode $_;
1669	next if /\.pst$/;	2159	/\.map$/
1670	next unless /^$PATH_SEP/o;	2160	? normalise $_
1671		2161	: ()
1672	push @paths, cf::map::normalise $_;	2162	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2163	]
1674
1675	\@paths
1676	}	2164	}
1677		2165
1678	package cf;	2166	package cf;
1679		2167
1680	=back	2168	=back
…		…
1726		2214
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2215	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2216
1729	if ($self->{record_replies}) {	2217	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2218	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2219
1731	} else {	2220	} else {
		2221	my $pl = $self->contr;
		2222
		2223	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2224	my $diag = $pl->{npc_dialog};
		2225	$diag->{pl}->ext_reply (
		2226	$diag->{id},
		2227	msgtype => "reply",
		2228	msg => $diag->{pl}->expand_cfpod ($msg),
		2229	add_topics => []
		2230	);
		2231
		2232	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2233	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2234	$self->message ($msg, $flags);
		2235	}
1734	}	2236	}
1735	}	2237	}
1736		2238
1737	=item $player_object->may ("access")	2239	=item $player_object->may ("access")
1738		2240
…		…
1786	$self->deactivate_recursive;	2288	$self->deactivate_recursive;
1787		2289
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2290	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2291
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2292	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2293	if $self->map && $self->map->{path} ne "{link}";
1792		2294
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2295	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2296	}
1795		2297
1796	sub cf::object::player::leave_link {	2298	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2299	my ($self, $map, $x, $y) = @_;
		2300
		2301	return unless $self->contr->active;
1798		2302
1799	my $link_pos = delete $self->{_link_pos};	2303	my $link_pos = delete $self->{_link_pos};
1800		2304
1801	unless ($map) {	2305	unless ($map) {
1802	# restore original map position	2306	# restore original map position
…		…
1825		2329
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2330	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2331	$self->enter_map ($map, $x, $y);
1828	}	2332	}
1829		2333
1830	cf::player->attach (	2334	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2335
1834	# abort map switching before logout	2336	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2337	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2338	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2339	the new (success) or old (failed) map position. In either case, $done will
1838	};	2340	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2341
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2342	=cut
		2343
		2344	our $GOTOGEN;
1865		2345
1866	sub cf::object::player::goto {	2346	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2347	my ($self, $path, $x, $y, $check, $done) = @_;
		2348
		2349	# do generation counting so two concurrent goto's will be executed in-order
		2350	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2351
1869	$self->enter_link;	2352	$self->enter_link;
1870		2353
1871	(async {	2354	(async {
1872	my $map = eval {	2355	my $map = eval {
1873	my $map = cf::map::find $path;	2356	my $map = cf::map::find $path;
		2357
		2358	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2359	$map = $map->customise_for ($self);
		2360	$map = $check->($map) if $check && $map;
		2361	} else {
		2362	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2363	}
		2364
1875	$map	2365	$map
		2366	};
		2367
		2368	if ($@) {
		2369	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2370	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2371	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2372
		2373	if ($gen == $self->{_goto_generation}) {
		2374	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2375	$self->leave_link ($map, $x, $y);
		2376	}
		2377
		2378	$done->() if $done;
1880	})->prio (1);	2379	})->prio (1);
1881	}	2380	}
1882		2381
1883	=item $player_object->enter_exit ($exit_object)	2382	=item $player_object->enter_exit ($exit_object)
1884		2383
…		…
1923		2422
1924	$rmp->{random_seed} ||= $exit->random_seed;	2423	$rmp->{random_seed} ||= $exit->random_seed;
1925		2424
1926	my $data = cf::to_json $rmp;	2425	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2426	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2427	my $meta = "$RANDOMDIR/$md5.meta";
1929		2428
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2429	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2430	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2431	undef $fh;
1933	aio_rename "$meta~", $meta;	2432	aio_rename "$meta~", $meta;
…		…
1942		2441
1943	return unless $self->type == cf::PLAYER;	2442	return unless $self->type == cf::PLAYER;
1944		2443
1945	if ($exit->slaying eq "/!") {	2444	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2445	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2446	# the problem is that $exit might not survive long enough
		2447	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2448	cf::sync_job { prepare_random_map $exit };
1948	}	2449	}
1949		2450
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2451	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2452	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2453	my $sp = $exit->stats->sp;
1953		2454
1954	$self->enter_link;	2455	$self->enter_link;
		2456
		2457	# if exit is damned, update players death & WoR home-position
		2458	$self->contr->savebed ($slaying, $hp, $sp)
		2459	if $exit->flag (FLAG_DAMNED);
1955		2460
1956	(async {	2461	(async {
1957	$self->deactivate_recursive; # just to be sure	2462	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2463	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2464	$self->goto ($slaying, $hp, $sp);
1960		2465
1961	1;	2466	1;
1962	}) {	2467	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2468	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2469	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2470	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2471	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2472
1968	warn "ERROR in enter_exit: $@";	2473	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2474	$self->leave_link;
1970	}	2475	}
1971	})->prio (1);	2476	})->prio (1);
…		…
1987		2492
1988	utf8::encode $text;	2493	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2494	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2495	}
1991		2496
		2497	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2498
		2499	Send a drawinfo or msg packet to the client, formatting the msg for the
		2500	client if neccessary. C<$type> should be a string identifying the type of
		2501	the message, with C<log> being the default. If C<$color> is negative, suppress
		2502	the message unless the client supports the msg packet.
		2503
		2504	=cut
		2505
		2506	sub cf::client::send_msg {
		2507	my ($self, $channel, $msg, $color, @extra) = @_;
		2508
		2509	$msg = $self->pl->expand_cfpod ($msg);
		2510
		2511	$color &= ~cf::NDI_UNIQUE; # just in case...
		2512
		2513	if (ref $channel) {
		2514	# send meta info to client, if not yet sent
		2515	unless (exists $self->{channel}{$channel->{id}}) {
		2516	$self->{channel}{$channel->{id}} = $channel;
		2517	$self->ext_event (channel_info => %$channel);
		2518	}
		2519
		2520	$channel = $channel->{id};
		2521	}
		2522
		2523	return unless @extra || length $msg;
		2524
		2525	if ($self->can_msg) {
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2527	} else {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	if ($color >= 0) {
		2539	if (0 && $msg =~ /\[/) {
		2540	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2541	} else {
		2542	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2543	$self->send_packet ("drawinfo $color $msg")
		2544	}
		2545	}
		2546	}
		2547	}
		2548
		2549	=item $client->ext_event ($type, %msg)
		2550
		2551	Sends an ext event to the client.
		2552
		2553	=cut
		2554
		2555	sub cf::client::ext_event($$%) {
		2556	my ($self, $type, %msg) = @_;
		2557
		2558	return unless $self->extcmd;
		2559
		2560	$msg{msgtype} = "event_$type";
		2561	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2562	}
1992		2563
1993	=item $success = $client->query ($flags, "text", \&cb)	2564	=item $success = $client->query ($flags, "text", \&cb)
1994		2565
1995	Queues a query to the client, calling the given callback with	2566	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2567	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2568	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2569
1999	Queries can fail, so check the return code. Or don't, as queries will become	2570	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2571	become reliable at some point in the future.
2001		2572
2002	=cut	2573	=cut
2003		2574
2004	sub cf::client::query {	2575	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2576	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2584	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2585	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2586
2016	$self->send_packet ($self->{query_queue}[0][0])	2587	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2588	if @{ $self->{query_queue} } == 1;
		2589
		2590	1
2018	}	2591	}
2019		2592
2020	cf::client->attach (	2593	cf::client->attach (
		2594	on_connect => sub {
		2595	my ($ns) = @_;
		2596
		2597	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2598	},
2021	on_reply => sub {	2599	on_reply => sub {
2022	my ($ns, $msg) = @_;	2600	my ($ns, $msg) = @_;
2023		2601
2024	# this weird shuffling is so that direct followup queries	2602	# this weird shuffling is so that direct followup queries
2025	# get handled first	2603	# get handled first
…		…
2037	} else {	2615	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2616	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2617	}
2040	}	2618	}
2041	},	2619	},
		2620	on_exticmd => sub {
		2621	my ($ns, $buf) = @_;
		2622
		2623	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2624
		2625	if (ref $msg) {
		2626	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2627	if (my %reply = $cb->($ns, $msg)) {
		2628	$reply{msgid} = $msg->{msgid};
		2629	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2630	}
		2631	}
		2632	} else {
		2633	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2634	}
		2635
		2636	cf::override;
		2637	},
2042	);	2638	);
2043		2639
2044	=item $client->async (\&cb)	2640	=item $client->async (\&cb)
2045		2641
2046	Create a new coroutine, running the specified callback. The coroutine will	2642	Create a new coroutine, running the specified callback. The coroutine will
…		…
2093		2689
2094	# here we export the classes and methods available to script code	2690	# here we export the classes and methods available to script code
2095		2691
2096	=pod	2692	=pod
2097		2693
2098	The following fucntions and emthods are available within a safe environment:	2694	The following functions and methods are available within a safe environment:
2099		2695
2100	cf::object contr pay_amount pay_player map	2696	cf::object
		2697	contr pay_amount pay_player map x y force_find force_add
		2698	insert remove
		2699
2101	cf::object::player player	2700	cf::object::player
2102	cf::player peaceful	2701	player
2103	cf::map trigger	2702
		2703	cf::player
		2704	peaceful
		2705
		2706	cf::map
		2707	trigger
2104		2708
2105	=cut	2709	=cut
2106		2710
2107	for (	2711	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	2712	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2713	insert remove)],
2109	["cf::object::player" => qw(player)],	2714	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	2715	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	2716	["cf::map" => qw(trigger)],
2112	) {	2717	) {
2113	no strict 'refs';	2718	no strict 'refs';
…		…
2184	=back	2789	=back
2185		2790
2186	=cut	2791	=cut
2187		2792
2188	#############################################################################	2793	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	2794	# the server's init and main functions
2262		2795
2263	sub load_faces {	2796	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	2797	my ($path) = @_;
2265		2798
2266	warn "loading faces from $path\n";	2799	warn "loading facedata from $path\n";
2267		2800
2268	my $faces;	2801	my $facedata;
2269	0 < aio_load $path, $faces	2802	0 < aio_load $path, $facedata
2270	or die "$path: $!";	2803	or die "$path: $!";
2271		2804
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	2805	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		2806
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	2807	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	2808	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		2809
		2810	{
		2811	my $faces = $facedata->{faceinfo};
		2812
2280	while (my ($face, $info) = each %$faces) {	2813	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2814	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2815	cf::face::set_visibility $idx, $info->{visibility};
		2816	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2817	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2284	Coro::cede;	2818	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2285	}
2286		2819
		2820	cf::cede_to_tick;
		2821	}
		2822
2287	while (my ($face, $info) = each %$faces) {	2823	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	2824	next unless $info->{smooth};
2289	my $idx = cf::face::find $face	2825	my $idx = cf::face::find $face
2290	or next;	2826	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {	2827	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	2828	cf::face::set_smooth $idx, $smooth;
		2829	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	2830	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	2831	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	2832	}
2296	Coro::cede;	2833
		2834	cf::cede_to_tick;
		2835	}
		2836	}
		2837
		2838	{
		2839	my $anims = $facedata->{animinfo};
		2840
		2841	while (my ($anim, $info) = each %$anims) {
		2842	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2843	cf::cede_to_tick;
		2844	}
		2845
		2846	cf::anim::invalidate_all; # d'oh
		2847	}
		2848
		2849	{
		2850	# TODO: for gcfclient pleasure, we should give resources
		2851	# that gcfclient doesn't grok a >10000 face index.
		2852	my $res = $facedata->{resource};
		2853	my $enc = JSON::XS->new->utf8->canonical;
		2854
		2855	while (my ($name, $info) = each %$res) {
		2856	my $meta = $enc->encode ({
		2857	name => $name,
		2858	type => $info->{type},
		2859	copyright => $info->{copyright}, #TODO#
		2860	});
		2861
		2862	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2863
		2864	if ($name =~ /\.jpg$/) {
		2865	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2866	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2867	} else {
		2868	my $data = pack "(w/a*)*", $meta, $info->{data};
		2869	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2870
		2871	cf::face::set_type $idx, 1;
		2872	cf::face::set_data $idx, 0, $data, $chk;
		2873	}
		2874
		2875	cf::cede_to_tick;
		2876	}
2297	}	2877	}
2298		2878
2299	1	2879	1
2300	}	2880	}
2301		2881
		2882	sub reload_regions {
		2883	load_resource_file "$MAPDIR/regions"
		2884	or die "unable to load regions file\n";
		2885
		2886	for (cf::region::list) {
		2887	$_->{match} = qr/$_->{match}/
		2888	if exists $_->{match};
		2889	}
		2890	}
		2891
		2892	sub reload_facedata {
		2893	load_facedata "$DATADIR/facedata"
		2894	or die "unable to load facedata\n";
		2895	}
		2896
		2897	sub reload_archetypes {
		2898	load_resource_file "$DATADIR/archetypes"
		2899	or die "unable to load archetypes\n";
		2900	#d# NEED to laod twice to resolve forward references
		2901	# this really needs to be done in an extra post-pass
		2902	# (which needs to be synchronous, so solve it differently)
		2903	load_resource_file "$DATADIR/archetypes"
		2904	or die "unable to load archetypes\n";
		2905	}
		2906
		2907	sub reload_treasures {
		2908	load_resource_file "$DATADIR/treasures"
		2909	or die "unable to load treasurelists\n";
		2910	}
		2911
2302	sub reload_resources {	2912	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2913	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	2914
		2915	reload_regions;
2305	load_faces	2916	reload_facedata;
2306	or die "unable to load faces\n";#d#	2917	#reload_archetypes;#d#
		2918	reload_archetypes;
		2919	reload_treasures;
		2920
		2921	warn "finished reloading resource files\n";
2307	}	2922	}
2308		2923
2309	sub init {	2924	sub init {
2310	reload_resources;	2925	reload_resources;
2311	}	2926	}
2312		2927
2313	sub cfg_load {	2928	sub cfg_load {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	2929	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	2930	or return;
2316		2931
2317	local $/;	2932	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	2933	*CFG = YAML::Syck::Load <$fh>;
2319		2934
…		…
2364	},	2979	},
2365	);	2980	);
2366	}	2981	}
2367	}	2982	}
2368		2983
		2984	sub write_runtime {
		2985	my $runtime = "$LOCALDIR/runtime";
		2986
		2987	# first touch the runtime file to show we are still running:
		2988	# the fsync below can take a very very long time.
		2989
		2990	IO::AIO::aio_utime $runtime, undef, undef;
		2991
		2992	my $guard = cf::lock_acquire "write_runtime";
		2993
		2994	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2995	or return;
		2996
		2997	my $value = $cf::RUNTIME + 90 + 10;
		2998	# 10 is the runtime save interval, for a monotonic clock
		2999	# 60 allows for the watchdog to kill the server.
		3000
		3001	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3002	and return;
		3003
		3004	# always fsync - this file is important
		3005	aio_fsync $fh
		3006	and return;
		3007
		3008	# touch it again to show we are up-to-date
		3009	aio_utime $fh, undef, undef;
		3010
		3011	close $fh
		3012	or return;
		3013
		3014	aio_rename "$runtime~", $runtime
		3015	and return;
		3016
		3017	warn "runtime file written.\n";
		3018
		3019	1
		3020	}
		3021
2369	sub emergency_save() {	3022	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3023	my $freeze_guard = cf::freeze_mainloop;
2371		3024
2372	warn "enter emergency perl save\n";	3025	warn "enter emergency perl save\n";
2373		3026
…		…
2404		3057
2405	warn Carp::longmess "post_cleanup backtrace"	3058	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3059	if $make_core;
2407	}	3060	}
2408		3061
2409	sub reload() {	3062	sub do_reload_perl() {
2410	# can/must only be called in main	3063	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3064	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3065	warn "can only reload from main coroutine";
2413	return;	3066	return;
2414	}	3067	}
…		…
2448	%EXT_CORO = ();	3101	%EXT_CORO = ();
2449		3102
2450	warn "removing commands";	3103	warn "removing commands";
2451	%COMMAND = ();	3104	%COMMAND = ();
2452		3105
2453	warn "removing ext commands";	3106	warn "removing ext/exti commands";
2454	%EXTCMD = ();	3107	%EXTCMD = ();
		3108	%EXTICMD = ();
2455		3109
2456	warn "unloading/nuking all extensions";	3110	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3111	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3112	warn "... unloading $pkg";
2459		3113
…		…
2489	Symbol::delete_package "safe::$_"	3143	Symbol::delete_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3145
2492	warn "unloading cf.pm \"a bit\"";	3146	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3147	delete $INC{"cf.pm"};
		3148	delete $INC{"cf/pod.pm"};
2494		3149
2495	# don't, removes xs symbols, too,	3150	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3151	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3152	#Symbol::delete_package __PACKAGE__;
2498		3153
…		…
2513	warn "reattaching attachments to maps";	3168	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3169	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3170	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3171	reattach $_ for values %PLAYER;
2517		3172
2518	warn "loading reloadable resources";
2519	reload_resources;
2520
2521	warn "leaving sync_job";	3173	warn "leaving sync_job";
2522		3174
2523	1	3175	1
2524	} or do {	3176	} or do {
2525	warn $@;	3177	warn $@;
…		…
2530	warn "reloaded";	3182	warn "reloaded";
2531	};	3183	};
2532		3184
2533	our $RELOAD_WATCHER; # used only during reload	3185	our $RELOAD_WATCHER; # used only during reload
2534		3186
		3187	sub reload_perl() {
		3188	# doing reload synchronously and two reloads happen back-to-back,
		3189	# coro crashes during coro_state_free->destroy here.
		3190
		3191	$RELOAD_WATCHER ||= Event->timer (
		3192	reentrant => 0,
		3193	after => 0,
		3194	data => WF_AUTOCANCEL,
		3195	cb => sub {
		3196	do_reload_perl;
		3197	undef $RELOAD_WATCHER;
		3198	},
		3199	);
		3200	}
		3201
2535	register_command "reload" => sub {	3202	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3203	my ($who, $arg) = @_;
2537		3204
2538	if ($who->flag (FLAG_WIZ)) {	3205	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3206	$who->message ("reloading server.");
2540		3207	async { reload_perl };
2541	# doing reload synchronously and two reloads happen back-to-back,
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);
2553	}	3208	}
2554	};	3209	};
2555		3210
2556	unshift @INC, $LIBDIR;	3211	unshift @INC, $LIBDIR;
2557		3212
2558	my $bug_warning = 0;	3213	my $bug_warning = 0;
2559		3214
		3215	our @WAIT_FOR_TICK;
		3216	our @WAIT_FOR_TICK_BEGIN;
		3217
		3218	sub wait_for_tick {
		3219	return unless $TICK_WATCHER->is_active;
		3220	return if $Coro::current == $Coro::main;
		3221
		3222	my $signal = new Coro::Signal;
		3223	push @WAIT_FOR_TICK, $signal;
		3224	$signal->wait;
		3225	}
		3226
		3227	sub wait_for_tick_begin {
		3228	return unless $TICK_WATCHER->is_active;
		3229	return if $Coro::current == $Coro::main;
		3230
		3231	my $signal = new Coro::Signal;
		3232	push @WAIT_FOR_TICK_BEGIN, $signal;
		3233	$signal->wait;
		3234	}
		3235
		3236	my $min = 1e6;#d#
		3237	my $avg = 10;
2560	$TICK_WATCHER = Event->timer (	3238	$TICK_WATCHER = Event->timer (
2561	reentrant => 0,	3239	reentrant => 0,
2562	parked => 1,	3240	parked => 1,
2563	prio => 0,	3241	prio => 0,
2564	at => $NEXT_TICK || $TICK,	3242	at => $NEXT_TICK || $TICK,
…		…
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3246	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	3247	unless ++$bug_warning > 10;
2570	return;	3248	return;
2571	}	3249	}
2572		3250
2573	$NOW = Event::time;	3251	$NOW = $tick_start = Event::time;
2574		3252
2575	cf::server_tick; # one server iteration	3253	cf::server_tick; # one server iteration
		3254
		3255	0 && sync_job {#d#
		3256	for(1..10) {
		3257	my $t = Event::time;
		3258	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3259	or die;
		3260
		3261	$map->width (50);
		3262	$map->height (50);
		3263	$map->alloc;
		3264	$map->_load_objects ("/tmp/x.map", 1);
		3265	my $t = Event::time - $t;
		3266
		3267	#next unless $t < 0.0013;#d#
		3268	if ($t < $min) {
		3269	$min = $t;
		3270	}
		3271	$avg = $avg * 0.99 + $t * 0.01;
		3272	}
		3273	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3274	exit 0;
		3275	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3276	};
		3277
2576	$RUNTIME += $TICK;	3278	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;	3279	$NEXT_TICK += $TICK;
2578		3280
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3281	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3282	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2582	write_runtime	3284	write_runtime
2583	or warn "ERROR: unable to write runtime file: $!";	3285	or warn "ERROR: unable to write runtime file: $!";
2584	};	3286	};
2585	}	3287	}
2586		3288
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;	3289	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#	3290	# warn $AFTER - $NOW;#d#
2592		3291
		3292	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3293	$sig->send;
		3294	}
		3295	while (my $sig = shift @WAIT_FOR_TICK) {
		3296	$sig->send;
		3297	}
		3298
		3299	$NOW = Event::time;
		3300
2593	# if we are delayed by four ticks or more, skip them all	3301	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3302	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2595		3303
2596	$TICK_WATCHER->at ($NEXT_TICK);	3304	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;	3305	$TICK_WATCHER->start;
		3306
		3307	$LOAD = ($NOW - $tick_start) / $TICK;
		3308	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3309
		3310	_post_tick;
		3311
		3312
2598	},	3313	},
2599	);	3314	);
2600		3315
2601	{	3316	{
2602	BDB::max_poll_time $TICK * 0.1;	3317	BDB::max_poll_time $TICK * 0.1;
…		…
2630		3345
2631	cf::sync_job {	3346	cf::sync_job {
2632	eval {	3347	eval {
2633	BDB::db_env_open	3348	BDB::db_env_open
2634	$DB_ENV,	3349	$DB_ENV,
2635	$BDB_ENV_DIR,	3350	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3351	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3352	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3353	0666;
2639		3354
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3355	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641		3356
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3357	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;	3358	$DB_ENV->set_lk_detect;
2644	};	3359	};
2645		3360
…		…
2661	prio => 6,	3376	prio => 6,
2662	cb => \&IO::AIO::poll_cb,	3377	cb => \&IO::AIO::poll_cb,
2663	);	3378	);
2664	}	3379	}
2665		3380
		3381	my $_log_backtrace;
		3382
		3383	sub _log_backtrace {
		3384	my ($msg, @addr) = @_;
		3385
		3386	$msg =~ s/\n//;
		3387
		3388	# limit the # of concurrent backtraces
		3389	if ($_log_backtrace < 2) {
		3390	++$_log_backtrace;
		3391	async {
		3392	my @bt = fork_call {
		3393	@addr = map { sprintf "%x", $_ } @addr;
		3394	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3395	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3396	or die "addr2line: $!";
		3397
		3398	my @funcs;
		3399	my @res = <$fh>;
		3400	chomp for @res;
		3401	while (@res) {
		3402	my ($func, $line) = splice @res, 0, 2, ();
		3403	push @funcs, "[$func] $line";
		3404	}
		3405
		3406	@funcs
		3407	};
		3408
		3409	LOG llevInfo, "[ABT] $msg\n";
		3410	LOG llevInfo, "[ABT] $_\n" for @bt;
		3411	--$_log_backtrace;
		3412	};
		3413	} else {
		3414	LOG llevInfo, "[ABT] $msg\n";
		3415	LOG llevInfo, "[ABT] [suppressed]\n";
		3416	}
		3417	}
		3418
		3419	# load additional modules
		3420	use cf::pod;
		3421
2666	END { cf::emergency_save }	3422	END { cf::emergency_save }
2667		3423
2668	1	3424	1
2669		3425

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