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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.244 by root, Mon Apr 16 13:28:00 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 3.61 ();	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;
21	use Coro::Storable;	23	use Coro::Storable;
22		24
		25	use JSON::XS 1.4 ();
23	use BDB ();	26	use BDB ();
24	use Data::Dumper;	27	use Data::Dumper;
25	use Digest::MD5;	28	use Digest::MD5;
26	use Fcntl;	29	use Fcntl;
27	use YAML::Syck ();	30	use YAML::Syck ();
28	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
29	use Time::HiRes;	32	use Time::HiRes;
30	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
31		35
32	# configure various modules to our taste	36	# configure various modules to our taste
33	#	37	#
34	$Storable::canonical = 1; # reduce rsync transfers	38	$Storable::canonical = 1; # reduce rsync transfers
35	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
…		…
47	our %COMMAND = ();	51	our %COMMAND = ();
48	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
49		53
50	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
54		59
55	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
56	our @EVENT;	61	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		62
59	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(!)
60	our $TICK_WATCHER;	76	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	79	our $NEXT_TICK;
64	our $NOW;	80	our $NOW;
…		…
73	our $RUNTIME;	89	our $RUNTIME;
74		90
75	our %PLAYER; # all users	91	our %PLAYER; # all users
76	our %MAP; # all maps	92	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		94
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $tick_start; # for load detecting purposes
		101
84	binmode STDOUT;	102	binmode STDOUT;
85	binmode STDERR;	103	binmode STDERR;
86		104
87	# read virtual server time, if available	105	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
92	}	110	}
93		111
94	mkdir cf::localdir;	112	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		114
101	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
102		116
103	sub cf::map::normalise;	117	sub cf::map::normalise;
104		118
…		…
115	=item $cf::RUNTIME	129	=item $cf::RUNTIME
116		130
117	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
118	every server tick.	132	every server tick.
119		133
120	=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
121		137
122	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		142
125	=item $cf::NOW	143	=item $cf::NOW
126		144
127	The time of the last (current) server tick.	145	The time of the last (current) server tick.
128		146
129	=item $cf::TICK	147	=item $cf::TICK
130		148
131	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.
132		160
133	=item %cf::CFG	161	=item %cf::CFG
134		162
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
136	from wherever your confdir points to.	164	from wherever your confdir points to.
…		…
139		167
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	169	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		177
144	=back	178	=back
145		179
146	=cut	180	=cut
147		181
148	BEGIN {	182	BEGIN {
149	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	184	my $msg = join "", @_;
151	utf8::encode $msg;
152		185
153	$msg .= "\n"	186	$msg .= "\n"
154	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
155		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
156	LOG llevError, $msg;	192	LOG llevError, $msg;
157	};	193	};
158	}	194	}
159		195
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		203
167	# 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
168	# within the Safe compartment.	205	# within the Safe compartment.
169	for my $pkg (qw(	206	for my $pkg (qw(
170	cf::global cf::attachable	207	cf::global cf::attachable
…		…
178	}	215	}
179		216
180	$Event::DIED = sub {	217	$Event::DIED = sub {
181	warn "error in event callback: @_";	218	warn "error in event callback: @_";
182	};	219	};
		220
		221	#############################################################################
183		222
184	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
185		224
186	=over 4	225	=over 4
187		226
…		…
206	$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;
207	$d	246	$d
208	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
209	}	248	}
210		249
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
214		251
215	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
216		253
217	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
218		255
219	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]) }
220		264
221	=item cf::lock_wait $string	265	=item cf::lock_wait $string
222		266
223	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
224		268
…		…
230	returned.	274	returned.
231		275
232	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
233	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
234		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
235	=cut	283	=cut
236		284
237	our %LOCK;	285	our %LOCK;
238		286
239	sub lock_wait($) {	287	sub lock_wait($) {
…		…
256		304
257	Coro::guard {	305	Coro::guard {
258	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
260	}	308	}
		309	}
		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
261	}	315	}
262		316
263	sub freeze_mainloop {	317	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
265		319
…		…
268	};	322	};
269	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
270	$guard	324	$guard
271	}	325	}
272		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
273	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
274		384
275	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
276	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
277	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.
…		…
280		390
281	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
282		392
283	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
284		394
285	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)
286	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
287	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.
288		399
289	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
290	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
291	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
292	fast or be very important.	403	fast or be very important.
…		…
295		406
296	sub sync_job(&) {	407	sub sync_job(&) {
297	my ($job) = @_;	408	my ($job) = @_;
298		409
299	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
300	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
302		415
303	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
315		428
316	while ($busy) {	429	while ($busy) {
317	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
318	}	431	}
319		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
320	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
321	} else {	441	} else {
322	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
323		443
324	$job->()	444	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
344		464
345	$coro	465	$coro
346	}	466	}
347		467
348	sub write_runtime {	468	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		469
351	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.
352		474
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	475	=cut
354	or return;
355		476
356	my $value = $cf::RUNTIME + 90 + 10;	477	sub _store_scalar {
357	# 10 is the runtime save interval, for a monotonic clock	478	open my $fh, ">", \my $buf
358	# 60 allows for the watchdog to kill the server.	479	or die "fork_call: cannot open fh-to-buf in child : $!";
359		480	Storable::store_fd $_[0], $fh;
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
361	and return;
362
363	# always fsync - this file is important
364	aio_fsync $fh
365	and return;
366
367	close $fh	481	close $fh;
368	or return;
369		482
370	aio_rename "$runtime~", $runtime	483	$buf
371	and return;	484	}
372		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;
373	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"
374	}	644	}
375		645
376	=item cf::datalog type => key => value, ...	646	=item cf::datalog type => key => value, ...
377		647
378	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.
…		…
396	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")
397	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
398		668
399	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>
400	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
401	crossfire+).	671	Crossfire TRT).
402		672
403	=over 4	673	=over 4
404		674
405	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
406		676
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
570		840
571	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		845
576	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	847	my $pkg = shift @arg;
578		848
579	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
609	}	879	}
610		880
611	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
612	} else {	882	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	884	}
615		885
616	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
617	}	887	}
618		888
…		…
620	if (ref $_[0]) {	890	if (ref $_[0]) {
621	_object_attach @_;	891	_object_attach @_;
622	} else {	892	} else {
623	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
624	}	894	}
		895	_recalc_want;
625	};	896	};
626		897
627	# all those should be optimised	898	# all those should be optimised
628	sub cf::attachable::detach {	899	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
633	reattach ($obj);	904	reattach ($obj);
634	} else {	905	} else {
635	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
636	}	907	}
		908	_recalc_want;
637	};	909	};
638		910
639	sub cf::attachable::attached {	911	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
641		913
…		…
656	";	928	";
657	die if $@;	929	die if $@;
658	}	930	}
659		931
660	our $override;	932	our $override;
661	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?
662		934
663	sub override {	935	sub override {
664	$override = 1;	936	$override = 1;
665	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
666	}	938	}
667		939
668	sub do_invoke {	940	sub do_invoke {
669	my $event = shift;	941	my $event = shift;
670	my $callbacks = shift;	942	my $callbacks = shift;
671		943
672	@invoke_results = ();	944	@INVOKE_RESULTS = ();
673		945
674	local $override;	946	local $override;
675		947
676	for (@$callbacks) {	948	for (@$callbacks) {
677	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
694		966
695	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
696		968
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		972
701	=back	973	=back
702		974
703	=cut	975	=cut
704		976
705	#############################################################################	977	#############################################################################
706	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
707		990
708	sub reattach {	991	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	993	my ($obj) = @_;
711		994
…		…
814	or return;	1097	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1099	}
817		1100
818	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
820	return ($data, $av);	1103	return ($data, $av);
821	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
822		1111
823	#############################################################################	1112	#############################################################################
824	# command handling &c	1113	# command handling &c
825		1114
826	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1129	}
841		1130
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1132
844	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.
845		1138
846	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
847	called.	1140	called.
848		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
849	=cut	1153	=cut
850		1154
851	sub register_extcmd {	1155	sub register_extcmd {
852	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
853		1157
854	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
855	}	1165	}
856		1166
857	cf::player->attach (	1167	cf::player->attach (
858	on_command => sub {	1168	on_command => sub {
859	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1178	cf::override;
869	},	1179	},
870	on_extcmd => sub {	1180	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
872		1182
873	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1184
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
878	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
879	}	1195	if $reply;
880	}	1196	}
881	} else {	1197	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1199	}
884		1200
885	cf::override;	1201	cf::override;
886	},	1202	},
887	);	1203	);
888		1204
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
924	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1210	next unless -r $path;
926	eval {	1211
927	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	$progress = 1;
928	1	1269	}
929	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
930	}	1275	};
931	}	1276	}
932		1277
933	#############################################################################	1278	#############################################################################
934		1279
		1280	=back
		1281
935	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
936		1283
937	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
938		1285
939	=cut	1286	=cut
…		…
951	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
952		1299
953	=cut	1300	=cut
954		1301
955	sub playerdir($) {	1302	sub playerdir($) {
956	cf::localdir	1303	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1305	}
962		1306
963	sub path($) {	1307	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1084	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1085		1429
1086	=cut	1430	=cut
1087		1431
1088	sub list_logins {	1432	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1434	or return [];
1091		1435
1092	my @logins;	1436	my @logins;
1093		1437
1094	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1129	}	1473	}
1130		1474
1131	\@paths	1475	\@paths
1132	}	1476	}
1133		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
1134	=item $player->ext_reply ($msgid, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1135		1529
1136	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1137		1531
1138	=cut	1532	=cut
1139		1533
1140	sub ext_reply($$%) {	1534	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1142		1536
1143	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1144		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1145	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($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	}
1146	}	1544	}
1147		1545
1148	=item $player->ext_event ($type, %msg)	1546	=item $player->ext_msg ($type, @msg)
1149		1547
1150	Sends an ext event to the client.	1548	Sends an ext event to the client.
1151		1549
1152	=cut	1550	=cut
1153		1551
1154	sub ext_event($$%) {	1552	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1553	my ($self, $type, @msg) = @_;
1156		1554
1157	$self->ns->ext_event ($type, %msg);	1555	$self->ns->ext_msg ($type, @msg);
1158	}	1556	}
1159		1557
1160	=head3 cf::region	1558	=head3 cf::region
1161		1559
1162	=over 4	1560	=over 4
…		…
1165		1563
1166	package cf::region;	1564	package cf::region;
1167		1565
1168	=item cf::region::find_by_path $path	1566	=item cf::region::find_by_path $path
1169		1567
1170	Tries to decuce the probable region for a map knowing only its path.	1568	Tries to decuce the likely region for a map knowing only its path.
1171		1569
1172	=cut	1570	=cut
1173		1571
1174	sub find_by_path($) {	1572	sub find_by_path($) {
1175	my ($path) = @_;	1573	my ($path) = @_;
1176		1574
1177	my ($match, $specificity);	1575	my ($match, $specificity);
1178		1576
1179	for my $region (list) {	1577	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1578	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1579	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1580	if $region->specificity > $specificity;
1183	}	1581	}
1184	}	1582	}
1185		1583
…		…
1249	my ($self, $merge) = @_;	1647	my ($self, $merge) = @_;
1250		1648
1251	# we have to keep some variables in memory intact	1649	# we have to keep some variables in memory intact
1252	local $self->{path};	1650	local $self->{path};
1253	local $self->{load_path};	1651	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1652
1257	$self->SUPER::thawer_merge ($merge);	1653	$self->SUPER::thawer_merge ($merge);
1258	}	1654	}
1259		1655
1260	sub normalise {	1656	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1308	return $self;	1704	return $self;
1309	}	1705	}
1310	}	1706	}
1311		1707
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1709	()
1314	}	1710	}
1315		1711
1316	sub init {	1712	sub init {
1317	my ($self) = @_;	1713	my ($self) = @_;
…		…
1332		1728
1333	# the original (read-only) location	1729	# the original (read-only) location
1334	sub load_path {	1730	sub load_path {
1335	my ($self) = @_;	1731	my ($self) = @_;
1336		1732
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1733	"$MAPDIR/$self->{path}.map"
1338	}	1734	}
1339		1735
1340	# the temporary/swap location	1736	# the temporary/swap location
1341	sub save_path {	1737	sub save_path {
1342	my ($self) = @_;	1738	my ($self) = @_;
1343		1739
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1741	"$TMPDIR/$path.map"
1346	}	1742	}
1347		1743
1348	# the unique path, undef == no special unique path	1744	# the unique path, undef == no special unique path
1349	sub uniq_path {	1745	sub uniq_path {
1350	my ($self) = @_;	1746	my ($self) = @_;
1351		1747
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1749	"$UNIQUEDIR/$path"
1354	}	1750	}
1355		1751
1356	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1357	# all maps in C++...	1753	# all maps in C++...
1358	sub change_all_map_light {	1754	sub change_all_map_light {
1359	my ($change) = @_;	1755	my ($change) = @_;
1360		1756
1361	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1362	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	$self->do_decay_objects;
1363	}	1767	}
1364		1768
1365	sub unlink_save {	1769	sub unlink_save {
1366	my ($self) = @_;	1770	my ($self) = @_;
1367		1771
…		…
1425	$self->load_header_orig	1829	$self->load_header_orig
1426	or return;	1830	or return;
1427	$self->prepare_orig;	1831	$self->prepare_orig;
1428	}	1832	}
1429		1833
		1834	$self->{deny_reset} = 1
		1835	if $self->no_reset;
		1836
1430	$self->default_region (cf::region::find_by_path $self->{path})	1837	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1838	unless $self->default_region;
1432		1839
1433	1	1840	1
1434	}	1841	}
…		…
1449	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1450		1857
1451	$map->load_header	1858	$map->load_header
1452	or return;	1859	or return;
1453		1860
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1862	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1863	#$cf::WAIT_FOR_TICK->wait;
1457	$map->reset;	1864	$map->reset;
1458	undef $guard;	1865	undef $guard;
1459	return find $path;	1866	return find $path;
…		…
1470	my ($self) = @_;	1877	my ($self) = @_;
1471		1878
1472	local $self->{deny_reset} = 1; # loading can take a long time	1879	local $self->{deny_reset} = 1; # loading can take a long time
1473		1880
1474	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1884	my $guard = cf::lock_acquire "map_load:$path";
1476		1885
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1478		1887
1479	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1480		1889
1481	$self->alloc;	1890	$self->alloc;
1482		1891
1483	$self->pre_load;	1892	$self->pre_load;
1484	Coro::cede;
1485
1486	$self->_load_objects ($self->{load_path}, 1)
1487	or return;
1488
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};
1491
1492	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {
1495	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);
1497	}
1498	}
1499
1500	Coro::cede;
1501	# now do the right thing for maps
1502	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;	1893	Coro::cede;
1510	$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;
1511	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	1913	unless $self->difficulty;
1513	Coro::cede;	1914	Coro::cede;
		1915
		1916	unless ($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;
1514	$self->activate;	1923	$self->activate;
1515	Coro::cede;	1924	}
		1925
		1926	$self->{last_save} = $cf::RUNTIME;
		1927	$self->last_access ($cf::RUNTIME);
		1928
		1929	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	1930	}
1517		1931
1518	$self->post_load;	1932	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	1933	}
1523		1934
1524	sub customise_for {	1935	sub customise_for {
1525	my ($self, $ob) = @_;	1936	my ($self, $ob) = @_;
1526		1937
1527	return find "~" . $ob->name . "/" . $self->{path}	1938	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	1939	if $self->per_player;
		1940
		1941	# return find "?party/" . $ob->name . "/" . $self->{path}
		1942	# if $self->per_party;
1529		1943
1530	$self	1944	$self
1531	}	1945	}
1532		1946
1533	# 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
…		…
1580		1994
1581	undef $MAP_PREFETCH{$path};	1995	undef $MAP_PREFETCH{$path};
1582	$MAP_PREFETCHER ||= cf::async {	1996	$MAP_PREFETCHER ||= cf::async {
1583	while (%MAP_PREFETCH) {	1997	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	1998	for my $path (keys %MAP_PREFETCH) {
1585	my $map = find $path	1999	if (my $map = find $path) {
1586	or next;
1587	$map->load;	2000	$map->load;
		2001	}
1588		2002
1589	delete $MAP_PREFETCH{$path};	2003	delete $MAP_PREFETCH{$path};
1590	}	2004	}
1591	}	2005	}
1592	undef $MAP_PREFETCHER;	2006	undef $MAP_PREFETCHER;
…		…
1644		2058
1645	sub reset_at {	2059	sub reset_at {
1646	my ($self) = @_;	2060	my ($self) = @_;
1647		2061
1648	# TODO: safety, remove and allow resettable per-player maps	2062	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2063	return 1e99 if $self->{deny_reset};
1651		2064
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2065	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2066	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2067
…		…
1665	my ($self) = @_;	2078	my ($self) = @_;
1666		2079
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2080	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2081
1669	return if $self->players;	2082	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2083
1672	warn "resetting map ", $self->path;#d#	2084	warn "resetting map ", $self->path;
1673		2085
1674	$self->in_memory (cf::MAP_SWAPPED);	2086	$self->in_memory (cf::MAP_SWAPPED);
1675		2087
1676	# need to save uniques path	2088	# need to save uniques path
1677	unless ($self->{deny_save}) {	2089	unless ($self->{deny_save}) {
…		…
1709	$cf::MAP{$self->path} = $self;	2121	$cf::MAP{$self->path} = $self;
1710		2122
1711	$self->reset; # polite request, might not happen	2123	$self->reset; # polite request, might not happen
1712	}	2124	}
1713		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
1714	=item cf::map::unique_maps	2162	=item cf::map::unique_maps
1715		2163
1716	Returns an arrayref of paths of all shared maps that have	2164	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2165	instantiated unique items. May block.
1718		2166
1719	=cut	2167	=cut
1720		2168
1721	sub unique_maps() {	2169	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2170	[
1723	or return;	2171	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2172	utf8::decode $_;
1729	next if /\.pst$/;	2173	/\.map$/
1730	next unless /^$PATH_SEP/o;	2174	? normalise $_
1731		2175	: ()
1732	push @paths, cf::map::normalise $_;	2176	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2177	]
1734
1735	\@paths
1736	}	2178	}
1737		2179
1738	package cf;	2180	package cf;
1739		2181
1740	=back	2182	=back
…		…
1786		2228
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2229	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2230
1789	if ($self->{record_replies}) {	2231	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2232	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2233
1791	} 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 {
1792	$msg = $npc->name . " says: $msg" if $npc;	2242	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2243	$self->message ($msg, $flags);
		2244	}
1794	}	2245	}
1795	}	2246	}
1796		2247
1797	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1798		2249
…		…
1846	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1847		2298
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2300
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1852		2303
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2305	}
1855		2306
1856	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1858		2311
1859	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1860		2313
1861	unless ($map) {	2314	unless ($map) {
1862	# restore original map position	2315	# restore original map position
…		…
1885		2338
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1888	}	2341	}
1889		2342
1890	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2344
1894	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1898	};	2349	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2350
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2351	=cut
		2352
		2353	our $GOTOGEN;
1925		2354
1926	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1927	my ($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;
1928		2360
1929	$self->enter_link;	2361	$self->enter_link;
1930		2362
1931	(async {	2363	(async {
1932	my $map = eval {	2364	my $map = eval {
1933	my $map = cf::map::find $path;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1934	$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
1935	$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 $@;
1936	} or	2380	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2381
		2382	if ($gen == $self->{_goto_generation}) {
		2383	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1940	})->prio (1);	2388	})->prio (1);
1941	}	2389	}
1942		2390
1943	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
1944		2392
…		…
1983		2431
1984	$rmp->{random_seed} ||= $exit->random_seed;	2432	$rmp->{random_seed} ||= $exit->random_seed;
1985		2433
1986	my $data = cf::to_json $rmp;	2434	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2435	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2436	my $meta = "$RANDOMDIR/$md5.meta";
1989		2437
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2439	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2440	undef $fh;
1993	aio_rename "$meta~", $meta;	2441	aio_rename "$meta~", $meta;
…		…
2012	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;
2013	my $hp = $exit->stats->hp;	2461	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2462	my $sp = $exit->stats->sp;
2015		2463
2016	$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);
2017		2469
2018	(async {	2470	(async {
2019	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2472	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2473	$self->goto ($slaying, $hp, $sp);
…		…
2049		2501
2050	utf8::encode $text;	2502	utf8::encode $text;
2051	$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);
2052	}	2504	}
2053		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
2054	=item $client->ext_event ($type, %msg)	2565	=item $client->ext_msg ($type, @msg)
2055		2566
2056	Sends an exti event to the client.	2567	Sends an ext event to the client.
2057		2568
2058	=cut	2569	=cut
2059		2570
2060	sub cf::client::ext_event($$%) {	2571	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2572	my ($self, $type, @msg) = @_;
2062		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
2063	$msg{msgtype} = "event_$type";	2579	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
2065	}	2582	}
2066		2583
2067	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
2068		2585
2069	Queues a query to the client, calling the given callback with	2586	Queues a query to the client, calling the given callback with
2070	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>,
2071	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>.
2072		2589
2073	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
2074	reliable at some point in the future.	2591	become reliable at some point in the future.
2075		2592
2076	=cut	2593	=cut
2077		2594
2078	sub cf::client::query {	2595	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2604	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2606
2090	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
2092	}	2611	}
2093		2612
2094	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
2095	on_reply => sub {	2619	on_reply => sub {
2096	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
2097		2621
2098	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
2099	# get handled first	2623	# get handled first
…		…
2111	} else {	2635	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2637	}
2114	}	2638	}
2115	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($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	},
2116	);	2663	);
2117		2664
2118	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
2119		2666
2120	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
2169		2716
2170	=pod	2717	=pod
2171		2718
2172	The following functions and methods are available within a safe environment:	2719	The following functions and methods are available within a safe environment:
2173		2720
2174	cf::object contr pay_amount pay_player map	2721	cf::object
		2722	contr pay_amount pay_player map x y force_find force_add
		2723	insert remove
		2724
2175	cf::object::player player	2725	cf::object::player
2176	cf::player peaceful	2726	player
2177	cf::map trigger	2727
		2728	cf::player
		2729	peaceful
		2730
		2731	cf::map
		2732	trigger
2178		2733
2179	=cut	2734	=cut
2180		2735
2181	for (	2736	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	2737	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2738	insert remove)],
2183	["cf::object::player" => qw(player)],	2739	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	2740	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	2741	["cf::map" => qw(trigger)],
2186	) {	2742	) {
2187	no strict 'refs';	2743	no strict 'refs';
…		…
2258	=back	2814	=back
2259		2815
2260	=cut	2816	=cut
2261		2817
2262	#############################################################################	2818	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	2819	# the server's init and main functions
2336		2820
2337	sub load_facedata {	2821	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	2822	my ($path) = @_;
2339		2823
2340	warn "loading facedata from $path\n";	2824	warn "loading facedata from $path\n";
2341		2825
2342	my $facedata;	2826	my $facedata;
2343	0 < aio_load $path, $facedata	2827	0 < aio_load $path, $facedata
…		…
2351	{	2835	{
2352	my $faces = $facedata->{faceinfo};	2836	my $faces = $facedata->{faceinfo};
2353		2837
2354	while (my ($face, $info) = each %$faces) {	2838	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2839	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2840	cf::face::set_visibility $idx, $info->{visibility};
		2841	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2842	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2843	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2359	Coro::cede;	2844
		2845	cf::cede_to_tick;
2360	}	2846	}
2361		2847
2362	while (my ($face, $info) = each %$faces) {	2848	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	2849	next unless $info->{smooth};
2364	my $idx = cf::face::find $face	2850	my $idx = cf::face::find $face
2365	or next;	2851	or next;
2366	if (my $smooth = cf::face::find $info->{smooth}) {	2852	if (my $smooth = cf::face::find $info->{smooth}) {
		2853	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2854	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	2855	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	2856	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	2857	}
2371	Coro::cede;	2858
		2859	cf::cede_to_tick;
2372	}	2860	}
2373	}	2861	}
2374		2862
2375	{	2863	{
2376	my $anims = $facedata->{animinfo};	2864	my $anims = $facedata->{animinfo};
2377		2865
2378	while (my ($anim, $info) = each %$anims) {	2866	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	2867	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	2868	cf::cede_to_tick;
2381	}	2869	}
2382		2870
2383	cf::anim::invalidate_all; # d'oh	2871	cf::anim::invalidate_all; # d'oh
2384	}	2872	}
2385		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 => $face;
		2921	}
		2922	}
		2923	}
		2924
2386	1	2925	1
2387	}	2926	}
2388		2927
		2928	register_exticmd fx_want => sub {
		2929	my ($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
2389	sub load_archetypes {	2951	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	2952	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	2953	or die "unable to load archetypes\n";
		2954	#d# NEED to laod twice to resolve forward references
		2955	# this really needs to be done in an extra post-pass
		2956	# (which needs to be synchronous, so solve it differently)
		2957	load_resource_file "$DATADIR/archetypes"
		2958	or die "unable to load archetypes\n";
2392	}	2959	}
2393		2960
2394	sub load_treasures {	2961	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	2962	load_resource_file "$DATADIR/treasures"
		2963	or die "unable to load treasurelists\n";
2396	}	2964	}
2397		2965
2398	sub reload_resources {	2966	sub reload_resources {
2399	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2967	warn "reloading resource files...\n";
2400	or die "unable to load regions file\n";	2968
		2969	reload_regions;
2401	load_facedata	2970	reload_facedata;
2402	or die "unable to load facedata\n";	2971	#reload_archetypes;#d#
2403	load_archetypes	2972	reload_archetypes;
2404	or die "unable to load archetypes\n";
2405	load_treasures	2973	reload_treasures;
2406	or die "unable to load treasurelists\n";	2974
		2975	warn "finished reloading resource files\n";
2407	}	2976	}
2408		2977
2409	sub init {	2978	sub init {
2410	reload_resources;	2979	reload_resources;
2411	}	2980	}
2412		2981
2413	sub cfg_load {	2982	sub cfg_load {
2414	open my $fh, "<:utf8", cf::confdir . "/config"	2983	open my $fh, "<:utf8", "$CONFDIR/config"
2415	or return;	2984	or return;
2416		2985
2417	local $/;	2986	local $/;
2418	*CFG = YAML::Syck::Load <$fh>;	2987	*CFG = YAML::Syck::Load <$fh>;
2419		2988
…		…
2464	},	3033	},
2465	);	3034	);
2466	}	3035	}
2467	}	3036	}
2468		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
2469	sub emergency_save() {	3076	sub emergency_save() {
2470	my $freeze_guard = cf::freeze_mainloop;	3077	my $freeze_guard = cf::freeze_mainloop;
2471		3078
2472	warn "enter emergency perl save\n";	3079	warn "enter emergency perl save\n";
2473		3080
…		…
2504		3111
2505	warn Carp::longmess "post_cleanup backtrace"	3112	warn Carp::longmess "post_cleanup backtrace"
2506	if $make_core;	3113	if $make_core;
2507	}	3114	}
2508		3115
2509	sub reload() {	3116	sub do_reload_perl() {
2510	# can/must only be called in main	3117	# can/must only be called in main
2511	if ($Coro::current != $Coro::main) {	3118	if ($Coro::current != $Coro::main) {
2512	warn "can only reload from main coroutine";	3119	warn "can only reload from main coroutine";
2513	return;	3120	return;
2514	}	3121	}
…		…
2548	%EXT_CORO = ();	3155	%EXT_CORO = ();
2549		3156
2550	warn "removing commands";	3157	warn "removing commands";
2551	%COMMAND = ();	3158	%COMMAND = ();
2552		3159
2553	warn "removing ext commands";	3160	warn "removing ext/exti commands";
2554	%EXTCMD = ();	3161	%EXTCMD = ();
		3162	%EXTICMD = ();
2555		3163
2556	warn "unloading/nuking all extensions";	3164	warn "unloading/nuking all extensions";
2557	for my $pkg (@EXTS) {	3165	for my $pkg (@EXTS) {
2558	warn "... unloading $pkg";	3166	warn "... unloading $pkg";
2559		3167
…		…
2589	Symbol::delete_package "safe::$_"	3197	Symbol::delete_package "safe::$_"
2590	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);
2591		3199
2592	warn "unloading cf.pm \"a bit\"";	3200	warn "unloading cf.pm \"a bit\"";
2593	delete $INC{"cf.pm"};	3201	delete $INC{"cf.pm"};
		3202	delete $INC{"cf/pod.pm"};
2594		3203
2595	# don't, removes xs symbols, too,	3204	# don't, removes xs symbols, too,
2596	# and global variables created in xs	3205	# and global variables created in xs
2597	#Symbol::delete_package __PACKAGE__;	3206	#Symbol::delete_package __PACKAGE__;
2598		3207
…		…
2613	warn "reattaching attachments to maps";	3222	warn "reattaching attachments to maps";
2614	reattach $_ for values %MAP;	3223	reattach $_ for values %MAP;
2615	warn "reattaching attachments to players";	3224	warn "reattaching attachments to players";
2616	reattach $_ for values %PLAYER;	3225	reattach $_ for values %PLAYER;
2617		3226
2618	warn "loading reloadable resources";
2619	reload_resources;
2620
2621	warn "leaving sync_job";	3227	warn "leaving sync_job";
2622		3228
2623	1	3229	1
2624	} or do {	3230	} or do {
2625	warn $@;	3231	warn $@;
…		…
2630	warn "reloaded";	3236	warn "reloaded";
2631	};	3237	};
2632		3238
2633	our $RELOAD_WATCHER; # used only during reload	3239	our $RELOAD_WATCHER; # used only during reload
2634		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 $RELOAD_WATCHER;
		3252	},
		3253	);
		3254	}
		3255
2635	register_command "reload" => sub {	3256	register_command "reload" => sub {
2636	my ($who, $arg) = @_;	3257	my ($who, $arg) = @_;
2637		3258
2638	if ($who->flag (FLAG_WIZ)) {	3259	if ($who->flag (FLAG_WIZ)) {
2639	$who->message ("reloading server.");	3260	$who->message ("reloading server.");
2640		3261	async { reload_perl };
2641	# doing reload synchronously and two reloads happen back-to-back,
2642	# coro crashes during coro_state_free->destroy here.
2643
2644	$RELOAD_WATCHER ||= Event->timer (
2645	reentrant => 0,
2646	after => 0,
2647	data => WF_AUTOCANCEL,
2648	cb => sub {
2649	reload;
2650	undef $RELOAD_WATCHER;
2651	},
2652	);
2653	}	3262	}
2654	};	3263	};
2655		3264
2656	unshift @INC, $LIBDIR;	3265	unshift @INC, $LIBDIR;
2657		3266
…		…
2676	my $signal = new Coro::Signal;	3285	my $signal = new Coro::Signal;
2677	push @WAIT_FOR_TICK_BEGIN, $signal;	3286	push @WAIT_FOR_TICK_BEGIN, $signal;
2678	$signal->wait;	3287	$signal->wait;
2679	}	3288	}
2680		3289
		3290	my $min = 1e6;#d#
		3291	my $avg = 10;
2681	$TICK_WATCHER = Event->timer (	3292	$TICK_WATCHER = Event->timer (
2682	reentrant => 0,	3293	reentrant => 0,
2683	parked => 1,	3294	parked => 1,
2684	prio => 0,	3295	prio => 0,
2685	at => $NEXT_TICK || $TICK,	3296	at => $NEXT_TICK || $TICK,
…		…
2689	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3300	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2690	unless ++$bug_warning > 10;	3301	unless ++$bug_warning > 10;
2691	return;	3302	return;
2692	}	3303	}
2693		3304
2694	$NOW = Event::time;	3305	$NOW = $tick_start = Event::time;
2695		3306
2696	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
2697	$RUNTIME += $TICK;	3332	$RUNTIME += $TICK;
2698	$NEXT_TICK += $TICK;	3333	$NEXT_TICK += $TICK;
2699		3334
2700	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3335	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2701	$NEXT_RUNTIME_WRITE = $NOW + 10;	3336	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2703	write_runtime	3338	write_runtime
2704	or warn "ERROR: unable to write runtime file: $!";	3339	or warn "ERROR: unable to write runtime file: $!";
2705	};	3340	};
2706	}	3341	}
2707		3342
		3343	# my $AFTER = Event::time;
		3344	# warn $AFTER - $NOW;#d#
		3345
2708	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3346	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2709	$sig->send;	3347	$sig->send;
2710	}	3348	}
2711	while (my $sig = shift @WAIT_FOR_TICK) {	3349	while (my $sig = shift @WAIT_FOR_TICK) {
2712	$sig->send;	3350	$sig->send;
2713	}	3351	}
2714		3352
2715	# my $AFTER = Event::time;	3353	$NOW = Event::time;
2716	# warn $AFTER - $NOW;#d#
2717		3354
2718	# 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
2719	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3356	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2720		3357
2721	$TICK_WATCHER->at ($NEXT_TICK);	3358	$TICK_WATCHER->at ($NEXT_TICK);
2722	$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
2723	},	3367	},
2724	);	3368	);
2725		3369
2726	{	3370	{
2727	BDB::max_poll_time $TICK * 0.1;	3371	BDB::max_poll_time $TICK * 0.1;
…		…
2755		3399
2756	cf::sync_job {	3400	cf::sync_job {
2757	eval {	3401	eval {
2758	BDB::db_env_open	3402	BDB::db_env_open
2759	$DB_ENV,	3403	$DB_ENV,
2760	$BDB_ENV_DIR,	3404	$BDBDIR,
2761	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3405	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2762	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3406	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2763	0666;	3407	0666;
2764		3408
2765	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3409	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2766		3410
2767	$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);
2768	$DB_ENV->set_lk_detect;	3412	$DB_ENV->set_lk_detect;
2769	};	3413	};
2770		3414
…		…
2786	prio => 6,	3430	prio => 6,
2787	cb => \&IO::AIO::poll_cb,	3431	cb => \&IO::AIO::poll_cb,
2788	);	3432	);
2789	}	3433	}
2790		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
2791	END { cf::emergency_save }	3476	END { cf::emergency_save }
2792		3477
2793	1	3478	1
2794		3479

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