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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.240 by root, Mon Apr 16 10:14:25 2007 UTC vs.
Revision 1.321 by root, Thu Jul 26 21:44:43 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;
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->in_memory (cf::MAP_IN_MEMORY);
1516	}	1927	}
1517		1928
1518	$self->post_load;	1929	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	1930	}
1523		1931
1524	sub customise_for {	1932	sub customise_for {
1525	my ($self, $ob) = @_;	1933	my ($self, $ob) = @_;
1526		1934
1527	return find "~" . $ob->name . "/" . $self->{path}	1935	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	1936	if $self->per_player;
		1937
		1938	# return find "?party/" . $ob->name . "/" . $self->{path}
		1939	# if $self->per_party;
1529		1940
1530	$self	1941	$self
1531	}	1942	}
1532		1943
1533	# find and load all maps in the 3x3 area around a map	1944	# find and load all maps in the 3x3 area around a map
…		…
1580		1991
1581	undef $MAP_PREFETCH{$path};	1992	undef $MAP_PREFETCH{$path};
1582	$MAP_PREFETCHER ||= cf::async {	1993	$MAP_PREFETCHER ||= cf::async {
1583	while (%MAP_PREFETCH) {	1994	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	1995	for my $path (keys %MAP_PREFETCH) {
1585	my $map = find $path	1996	if (my $map = find $path) {
1586	or next;
1587	$map->load;	1997	$map->load;
		1998	}
1588		1999
1589	delete $MAP_PREFETCH{$path};	2000	delete $MAP_PREFETCH{$path};
1590	}	2001	}
1591	}	2002	}
1592	undef $MAP_PREFETCHER;	2003	undef $MAP_PREFETCHER;
…		…
1644		2055
1645	sub reset_at {	2056	sub reset_at {
1646	my ($self) = @_;	2057	my ($self) = @_;
1647		2058
1648	# TODO: safety, remove and allow resettable per-player maps	2059	# 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};	2060	return 1e99 if $self->{deny_reset};
1651		2061
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2062	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2063	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2064
…		…
1665	my ($self) = @_;	2075	my ($self) = @_;
1666		2076
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2077	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2078
1669	return if $self->players;	2079	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2080
1672	warn "resetting map ", $self->path;#d#	2081	warn "resetting map ", $self->path;
1673		2082
1674	$self->in_memory (cf::MAP_SWAPPED);	2083	$self->in_memory (cf::MAP_SWAPPED);
1675		2084
1676	# need to save uniques path	2085	# need to save uniques path
1677	unless ($self->{deny_save}) {	2086	unless ($self->{deny_save}) {
…		…
1709	$cf::MAP{$self->path} = $self;	2118	$cf::MAP{$self->path} = $self;
1710		2119
1711	$self->reset; # polite request, might not happen	2120	$self->reset; # polite request, might not happen
1712	}	2121	}
1713		2122
		2123	=item $maps = cf::map::tmp_maps
		2124
		2125	Returns an arrayref with all map paths of currently instantiated and saved
		2126	maps. May block.
		2127
		2128	=cut
		2129
		2130	sub tmp_maps() {
		2131	[
		2132	map {
		2133	utf8::decode $_;
		2134	/\.map$/
		2135	? normalise $_
		2136	: ()
		2137	} @{ aio_readdir $TMPDIR or [] }
		2138	]
		2139	}
		2140
		2141	=item $maps = cf::map::random_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	random maps. May block.
		2145
		2146	=cut
		2147
		2148	sub random_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise "?random/$_"
		2154	: ()
		2155	} @{ aio_readdir $RANDOMDIR or [] }
		2156	]
		2157	}
		2158
1714	=item cf::map::unique_maps	2159	=item cf::map::unique_maps
1715		2160
1716	Returns an arrayref of paths of all shared maps that have	2161	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2162	instantiated unique items. May block.
1718		2163
1719	=cut	2164	=cut
1720		2165
1721	sub unique_maps() {	2166	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2167	[
1723	or return;	2168	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2169	utf8::decode $_;
1729	next if /\.pst$/;	2170	/\.map$/
1730	next unless /^$PATH_SEP/o;	2171	? normalise $_
1731		2172	: ()
1732	push @paths, cf::map::normalise $_;	2173	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2174	]
1734
1735	\@paths
1736	}	2175	}
1737		2176
1738	package cf;	2177	package cf;
1739		2178
1740	=back	2179	=back
…		…
1786		2225
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2226	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2227
1789	if ($self->{record_replies}) {	2228	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2229	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2230
1791	} else {	2231	} else {
		2232	my $pl = $self->contr;
		2233
		2234	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2235	my $dialog = $pl->{npc_dialog};
		2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2237
		2238	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2239	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2240	$self->message ($msg, $flags);
		2241	}
1794	}	2242	}
1795	}	2243	}
1796		2244
1797	=item $player_object->may ("access")	2245	=item $player_object->may ("access")
1798		2246
…		…
1846	$self->deactivate_recursive;	2294	$self->deactivate_recursive;
1847		2295
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2296	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2297
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2299	if $self->map && $self->map->{path} ne "{link}";
1852		2300
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2302	}
1855		2303
1856	sub cf::object::player::leave_link {	2304	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2305	my ($self, $map, $x, $y) = @_;
		2306
		2307	return unless $self->contr->active;
1858		2308
1859	my $link_pos = delete $self->{_link_pos};	2309	my $link_pos = delete $self->{_link_pos};
1860		2310
1861	unless ($map) {	2311	unless ($map) {
1862	# restore original map position	2312	# restore original map position
…		…
1885		2335
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2337	$self->enter_map ($map, $x, $y);
1888	}	2338	}
1889		2339
1890	cf::player->attach (	2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2341
1894	# abort map switching before logout	2342	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2343	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2344	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2345	the new (success) or old (failed) map position. In either case, $done will
1898	};	2346	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2347
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	2348	=cut
		2349
		2350	our $GOTOGEN;
1925		2351
1926	sub cf::object::player::goto {	2352	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2353	my ($self, $path, $x, $y, $check, $done) = @_;
		2354
		2355	# do generation counting so two concurrent goto's will be executed in-order
		2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2357
1929	$self->enter_link;	2358	$self->enter_link;
1930		2359
1931	(async {	2360	(async {
1932	my $map = eval {	2361	my $map = eval {
1933	my $map = cf::map::find $path;	2362	my $map = cf::map::find $path;
		2363
		2364	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2365	$map = $map->customise_for ($self);
		2366	$map = $check->($map) if $check && $map;
		2367	} else {
		2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	}
		2370
1935	$map	2371	$map
		2372	};
		2373
		2374	if ($@) {
		2375	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2376	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2377	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2378
		2379	if ($gen == $self->{_goto_generation}) {
		2380	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2381	$self->leave_link ($map, $x, $y);
		2382	}
		2383
		2384	$done->() if $done;
1940	})->prio (1);	2385	})->prio (1);
1941	}	2386	}
1942		2387
1943	=item $player_object->enter_exit ($exit_object)	2388	=item $player_object->enter_exit ($exit_object)
1944		2389
…		…
1983		2428
1984	$rmp->{random_seed} ||= $exit->random_seed;	2429	$rmp->{random_seed} ||= $exit->random_seed;
1985		2430
1986	my $data = cf::to_json $rmp;	2431	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2432	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2433	my $meta = "$RANDOMDIR/$md5.meta";
1989		2434
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2436	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2437	undef $fh;
1993	aio_rename "$meta~", $meta;	2438	aio_rename "$meta~", $meta;
…		…
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;	2458	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2459	my $sp = $exit->stats->sp;
2015		2460
2016	$self->enter_link;	2461	$self->enter_link;
		2462
		2463	# if exit is damned, update players death & WoR home-position
		2464	$self->contr->savebed ($slaying, $hp, $sp)
		2465	if $exit->flag (FLAG_DAMNED);
2017		2466
2018	(async {	2467	(async {
2019	$self->deactivate_recursive; # just to be sure	2468	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2469	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2470	$self->goto ($slaying, $hp, $sp);
…		…
2049		2498
2050	utf8::encode $text;	2499	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2501	}
2053		2502
		2503	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	Send a drawinfo or msg packet to the client, formatting the msg for the
		2506	client if neccessary. C<$type> should be a string identifying the type of
		2507	the message, with C<log> being the default. If C<$color> is negative, suppress
		2508	the message unless the client supports the msg packet.
		2509
		2510	=cut
		2511
		2512	sub cf::client::send_msg {
		2513	my ($self, $channel, $msg, $color, @extra) = @_;
		2514
		2515	$msg = $self->pl->expand_cfpod ($msg);
		2516
		2517	$color &= ~cf::NDI_UNIQUE; # just in case...
		2518
		2519	if (ref $channel) {
		2520	# send meta info to client, if not yet sent
		2521	unless (exists $self->{channel}{$channel->{id}}) {
		2522	$self->{channel}{$channel->{id}} = $channel;
		2523	$self->ext_msg (channel_info => $channel);
		2524	}
		2525
		2526	$channel = $channel->{id};
		2527	}
		2528
		2529	return unless @extra || length $msg;
		2530
		2531	if ($self->can_msg) {
		2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2533	} else {
		2534	# replace some tags by gcfclient-compatible ones
		2535	for ($msg) {
		2536	1 while
		2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2542	}
		2543
		2544	if ($color >= 0) {
		2545	if (0 && $msg =~ /\[/) {
		2546	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
2054	=item $client->ext_event ($type, %msg)	2555	=item $client->ext_msg ($type, @msg)
2055		2556
2056	Sends an exti event to the client.	2557	Sends an ext event to the client.
2057		2558
2058	=cut	2559	=cut
2059		2560
2060	sub cf::client::ext_event($$%) {	2561	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2562	my ($self, $type, @msg) = @_;
2062		2563
		2564	my $extcmd = $self->extcmd;
		2565
		2566	if ($extcmd == 2) {
		2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2568	} elsif ($extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2569	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2571	}
2065	}	2572	}
2066		2573
2067	=item $success = $client->query ($flags, "text", \&cb)	2574	=item $success = $client->query ($flags, "text", \&cb)
2068		2575
2069	Queues a query to the client, calling the given callback with	2576	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>,	2577	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>.	2578	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2579
2073	Queries can fail, so check the return code. Or don't, as queries will become	2580	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2581	become reliable at some point in the future.
2075		2582
2076	=cut	2583	=cut
2077		2584
2078	sub cf::client::query {	2585	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2586	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2594	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2595	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2596
2090	$self->send_packet ($self->{query_queue}[0][0])	2597	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2598	if @{ $self->{query_queue} } == 1;
		2599
		2600	1
2092	}	2601	}
2093		2602
2094	cf::client->attach (	2603	cf::client->attach (
		2604	on_connect => sub {
		2605	my ($ns) = @_;
		2606
		2607	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2608	},
2095	on_reply => sub {	2609	on_reply => sub {
2096	my ($ns, $msg) = @_;	2610	my ($ns, $msg) = @_;
2097		2611
2098	# this weird shuffling is so that direct followup queries	2612	# this weird shuffling is so that direct followup queries
2099	# get handled first	2613	# get handled first
…		…
2111	} else {	2625	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2626	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2627	}
2114	}	2628	}
2115	},	2629	},
		2630	on_exticmd => sub {
		2631	my ($ns, $buf) = @_;
		2632
		2633	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2634
		2635	if (ref $msg) {
		2636	my ($type, $reply, @payload) =
		2637	"ARRAY" eq ref $msg
		2638	? @$msg
		2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2640
		2641	if (my $cb = $EXTICMD{$type}) {
		2642	my @reply = $cb->($ns, @payload);
		2643
		2644	$ns->ext_reply ($reply, @reply)
		2645	if $reply;
		2646	}
		2647	} else {
		2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2649	}
		2650
		2651	cf::override;
		2652	},
2116	);	2653	);
2117		2654
2118	=item $client->async (\&cb)	2655	=item $client->async (\&cb)
2119		2656
2120	Create a new coroutine, running the specified callback. The coroutine will	2657	Create a new coroutine, running the specified callback. The coroutine will
…		…
2169		2706
2170	=pod	2707	=pod
2171		2708
2172	The following functions and methods are available within a safe environment:	2709	The following functions and methods are available within a safe environment:
2173		2710
2174	cf::object contr pay_amount pay_player map	2711	cf::object
		2712	contr pay_amount pay_player map x y force_find force_add
		2713	insert remove
		2714
2175	cf::object::player player	2715	cf::object::player
2176	cf::player peaceful	2716	player
2177	cf::map trigger	2717
		2718	cf::player
		2719	peaceful
		2720
		2721	cf::map
		2722	trigger
2178		2723
2179	=cut	2724	=cut
2180		2725
2181	for (	2726	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2728	insert remove)],
2183	["cf::object::player" => qw(player)],	2729	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	2730	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	2731	["cf::map" => qw(trigger)],
2186	) {	2732	) {
2187	no strict 'refs';	2733	no strict 'refs';
…		…
2258	=back	2804	=back
2259		2805
2260	=cut	2806	=cut
2261		2807
2262	#############################################################################	2808	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$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 $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	2809	# the server's init and main functions
2336		2810
2337	sub load_facedata {	2811	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	2812	my ($path) = @_;
2339		2813
2340	warn "loading facedata from $path\n";	2814	warn "loading facedata from $path\n";
2341		2815
2342	my $facedata;	2816	my $facedata;
2343	0 < aio_load $path, $facedata	2817	0 < aio_load $path, $facedata
…		…
2351	{	2825	{
2352	my $faces = $facedata->{faceinfo};	2826	my $faces = $facedata->{faceinfo};
2353		2827
2354	while (my ($face, $info) = each %$faces) {	2828	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2830	cf::face::set_visibility $idx, $info->{visibility};
		2831	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2359	Coro::cede;	2834
		2835	cf::cede_to_tick;
2360	}	2836	}
2361		2837
2362	while (my ($face, $info) = each %$faces) {	2838	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	2839	next unless $info->{smooth};
2364	my $idx = cf::face::find $face	2840	my $idx = cf::face::find $face
2365	or next;	2841	or next;
2366	if (my $smooth = cf::face::find $info->{smooth}) {	2842	if (my $smooth = cf::face::find $info->{smooth}) {
		2843	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	2845	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	2846	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	2847	}
2371	Coro::cede;	2848
		2849	cf::cede_to_tick;
2372	}	2850	}
2373	}	2851	}
2374		2852
2375	{	2853	{
2376	my $anims = $facedata->{animinfo};	2854	my $anims = $facedata->{animinfo};
2377		2855
2378	while (my ($anim, $info) = each %$anims) {	2856	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	2857	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	2858	cf::cede_to_tick;
2381	}	2859	}
2382		2860
2383	cf::anim::invalidate_all; # d'oh	2861	cf::anim::invalidate_all; # d'oh
2384	}	2862	}
2385		2863
		2864	{
		2865	# TODO: for gcfclient pleasure, we should give resources
		2866	# that gcfclient doesn't grok a >10000 face index.
		2867	my $res = $facedata->{resource};
		2868	my $enc = JSON::XS->new->utf8->canonical;
		2869
		2870	my $soundconf = delete $res->{"res/sound.conf"};
		2871
		2872	while (my ($name, $info) = each %$res) {
		2873	my $meta = $enc->encode ({
		2874	name => $name,
		2875	%{ $info->{meta} || {} },
		2876	});
		2877
		2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2879
		2880	if ($info->{type} & 1) {
		2881	# prepend meta info
		2882
		2883	my $data = pack "(w/a*)*", $meta, $info->{data};
		2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2885
		2886	cf::face::set_data $idx, 0, $data, $chk;
		2887	} else {
		2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2889	}
		2890
		2891	cf::face::set_type $idx, $info->{type};
		2892
		2893	cf::cede_to_tick;
		2894	}
		2895
		2896	if ($soundconf) {
		2897	$soundconf = $enc->decode (delete $soundconf->{data});
		2898
		2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2900	my $sound = $soundconf->{compat}[$_]
		2901	or next;
		2902
		2903	my $face = cf::face::find "sound/$sound->[1]";
		2904	warn "$sound->[0]: $face\n";#d#
		2905
		2906	cf::sound::set $sound->[0] => $face;
		2907	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2908	}
		2909
		2910	#TODO
		2911	}
		2912	}
		2913
2386	1	2914	1
2387	}	2915	}
2388		2916
		2917	register_exticmd fx_want => sub {
		2918	my ($ns, $want) = @_;
		2919
		2920	while (my ($k, $v) = each %$want) {
		2921	$ns->fx_want ($k, $v);
		2922	}
		2923	};
		2924
		2925	sub reload_regions {
		2926	load_resource_file "$MAPDIR/regions"
		2927	or die "unable to load regions file\n";
		2928
		2929	for (cf::region::list) {
		2930	$_->{match} = qr/$_->{match}/
		2931	if exists $_->{match};
		2932	}
		2933	}
		2934
		2935	sub reload_facedata {
		2936	load_facedata "$DATADIR/facedata"
		2937	or die "unable to load facedata\n";
		2938	}
		2939
		2940	sub reload_archetypes {
		2941	load_resource_file "$DATADIR/archetypes"
		2942	or die "unable to load archetypes\n";
		2943	#d# NEED to laod twice to resolve forward references
		2944	# this really needs to be done in an extra post-pass
		2945	# (which needs to be synchronous, so solve it differently)
		2946	load_resource_file "$DATADIR/archetypes"
		2947	or die "unable to load archetypes\n";
		2948	}
		2949
		2950	sub reload_treasures {
		2951	load_resource_file "$DATADIR/treasures"
		2952	or die "unable to load treasurelists\n";
		2953	}
		2954
2389	sub reload_resources {	2955	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2956	warn "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	2957
		2958	reload_regions;
2392	load_facedata	2959	reload_facedata;
2393	or die "unable to load facedata\n";#d#	2960	#reload_archetypes;#d#
		2961	reload_archetypes;
		2962	reload_treasures;
		2963
		2964	warn "finished reloading resource files\n";
2394	}	2965	}
2395		2966
2396	sub init {	2967	sub init {
2397	reload_resources;	2968	reload_resources;
2398	}	2969	}
2399		2970
2400	sub cfg_load {	2971	sub cfg_load {
2401	open my $fh, "<:utf8", cf::confdir . "/config"	2972	open my $fh, "<:utf8", "$CONFDIR/config"
2402	or return;	2973	or return;
2403		2974
2404	local $/;	2975	local $/;
2405	*CFG = YAML::Syck::Load <$fh>;	2976	*CFG = YAML::Syck::Load <$fh>;
2406		2977
…		…
2451	},	3022	},
2452	);	3023	);
2453	}	3024	}
2454	}	3025	}
2455		3026
		3027	sub write_runtime {
		3028	my $runtime = "$LOCALDIR/runtime";
		3029
		3030	# first touch the runtime file to show we are still running:
		3031	# the fsync below can take a very very long time.
		3032
		3033	IO::AIO::aio_utime $runtime, undef, undef;
		3034
		3035	my $guard = cf::lock_acquire "write_runtime";
		3036
		3037	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3038	or return;
		3039
		3040	my $value = $cf::RUNTIME + 90 + 10;
		3041	# 10 is the runtime save interval, for a monotonic clock
		3042	# 60 allows for the watchdog to kill the server.
		3043
		3044	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3045	and return;
		3046
		3047	# always fsync - this file is important
		3048	aio_fsync $fh
		3049	and return;
		3050
		3051	# touch it again to show we are up-to-date
		3052	aio_utime $fh, undef, undef;
		3053
		3054	close $fh
		3055	or return;
		3056
		3057	aio_rename "$runtime~", $runtime
		3058	and return;
		3059
		3060	warn "runtime file written.\n";
		3061
		3062	1
		3063	}
		3064
2456	sub emergency_save() {	3065	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	3066	my $freeze_guard = cf::freeze_mainloop;
2458		3067
2459	warn "enter emergency perl save\n";	3068	warn "enter emergency perl save\n";
2460		3069
…		…
2491		3100
2492	warn Carp::longmess "post_cleanup backtrace"	3101	warn Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3102	if $make_core;
2494	}	3103	}
2495		3104
2496	sub reload() {	3105	sub do_reload_perl() {
2497	# can/must only be called in main	3106	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	3107	if ($Coro::current != $Coro::main) {
2499	warn "can only reload from main coroutine";	3108	warn "can only reload from main coroutine";
2500	return;	3109	return;
2501	}	3110	}
…		…
2535	%EXT_CORO = ();	3144	%EXT_CORO = ();
2536		3145
2537	warn "removing commands";	3146	warn "removing commands";
2538	%COMMAND = ();	3147	%COMMAND = ();
2539		3148
2540	warn "removing ext commands";	3149	warn "removing ext/exti commands";
2541	%EXTCMD = ();	3150	%EXTCMD = ();
		3151	%EXTICMD = ();
2542		3152
2543	warn "unloading/nuking all extensions";	3153	warn "unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {	3154	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";	3155	warn "... unloading $pkg";
2546		3156
…		…
2576	Symbol::delete_package "safe::$_"	3186	Symbol::delete_package "safe::$_"
2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3187	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2578		3188
2579	warn "unloading cf.pm \"a bit\"";	3189	warn "unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	3190	delete $INC{"cf.pm"};
		3191	delete $INC{"cf/pod.pm"};
2581		3192
2582	# don't, removes xs symbols, too,	3193	# don't, removes xs symbols, too,
2583	# and global variables created in xs	3194	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	3195	#Symbol::delete_package __PACKAGE__;
2585		3196
…		…
2600	warn "reattaching attachments to maps";	3211	warn "reattaching attachments to maps";
2601	reattach $_ for values %MAP;	3212	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	3213	warn "reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	3214	reattach $_ for values %PLAYER;
2604		3215
2605	warn "loading reloadable resources";
2606	reload_resources;
2607
2608	warn "leaving sync_job";	3216	warn "leaving sync_job";
2609		3217
2610	1	3218	1
2611	} or do {	3219	} or do {
2612	warn $@;	3220	warn $@;
…		…
2617	warn "reloaded";	3225	warn "reloaded";
2618	};	3226	};
2619		3227
2620	our $RELOAD_WATCHER; # used only during reload	3228	our $RELOAD_WATCHER; # used only during reload
2621		3229
		3230	sub reload_perl() {
		3231	# doing reload synchronously and two reloads happen back-to-back,
		3232	# coro crashes during coro_state_free->destroy here.
		3233
		3234	$RELOAD_WATCHER ||= Event->timer (
		3235	reentrant => 0,
		3236	after => 0,
		3237	data => WF_AUTOCANCEL,
		3238	cb => sub {
		3239	do_reload_perl;
		3240	undef $RELOAD_WATCHER;
		3241	},
		3242	);
		3243	}
		3244
2622	register_command "reload" => sub {	3245	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	3246	my ($who, $arg) = @_;
2624		3247
2625	if ($who->flag (FLAG_WIZ)) {	3248	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	3249	$who->message ("reloading server.");
2627		3250	async { reload_perl };
2628	# doing reload synchronously and two reloads happen back-to-back,
2629	# coro crashes during coro_state_free->destroy here.
2630
2631	$RELOAD_WATCHER ||= Event->timer (
2632	reentrant => 0,
2633	after => 0,
2634	data => WF_AUTOCANCEL,
2635	cb => sub {
2636	reload;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);
2640	}	3251	}
2641	};	3252	};
2642		3253
2643	unshift @INC, $LIBDIR;	3254	unshift @INC, $LIBDIR;
2644		3255
…		…
2647	our @WAIT_FOR_TICK;	3258	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;	3259	our @WAIT_FOR_TICK_BEGIN;
2649		3260
2650	sub wait_for_tick {	3261	sub wait_for_tick {
2651	return unless $TICK_WATCHER->is_active;	3262	return unless $TICK_WATCHER->is_active;
		3263	return if $Coro::current == $Coro::main;
		3264
2652	my $signal = new Coro::Signal;	3265	my $signal = new Coro::Signal;
2653	push @WAIT_FOR_TICK, $signal;	3266	push @WAIT_FOR_TICK, $signal;
2654	$signal->wait;	3267	$signal->wait;
2655	}	3268	}
2656		3269
2657	sub wait_for_tick_begin {	3270	sub wait_for_tick_begin {
2658	return unless $TICK_WATCHER->is_active;	3271	return unless $TICK_WATCHER->is_active;
		3272	return if $Coro::current == $Coro::main;
		3273
2659	my $signal = new Coro::Signal;	3274	my $signal = new Coro::Signal;
2660	push @WAIT_FOR_TICK_BEGIN, $signal;	3275	push @WAIT_FOR_TICK_BEGIN, $signal;
2661	$signal->wait;	3276	$signal->wait;
2662	}	3277	}
2663		3278
		3279	my $min = 1e6;#d#
		3280	my $avg = 10;
2664	$TICK_WATCHER = Event->timer (	3281	$TICK_WATCHER = Event->timer (
2665	reentrant => 0,	3282	reentrant => 0,
2666	parked => 1,	3283	parked => 1,
2667	prio => 0,	3284	prio => 0,
2668	at => $NEXT_TICK || $TICK,	3285	at => $NEXT_TICK || $TICK,
…		…
2672	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3289	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2673	unless ++$bug_warning > 10;	3290	unless ++$bug_warning > 10;
2674	return;	3291	return;
2675	}	3292	}
2676		3293
2677	$NOW = Event::time;	3294	$NOW = $tick_start = Event::time;
2678		3295
2679	cf::server_tick; # one server iteration	3296	cf::server_tick; # one server iteration
		3297
		3298	0 && sync_job {#d#
		3299	for(1..10) {
		3300	my $t = Event::time;
		3301	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3302	or die;
		3303
		3304	$map->width (50);
		3305	$map->height (50);
		3306	$map->alloc;
		3307	$map->_load_objects ("/tmp/x.map", 1);
		3308	my $t = Event::time - $t;
		3309
		3310	#next unless $t < 0.0013;#d#
		3311	if ($t < $min) {
		3312	$min = $t;
		3313	}
		3314	$avg = $avg * 0.99 + $t * 0.01;
		3315	}
		3316	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3317	exit 0;
		3318	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3319	};
		3320
2680	$RUNTIME += $TICK;	3321	$RUNTIME += $TICK;
2681	$NEXT_TICK += $TICK;	3322	$NEXT_TICK += $TICK;
2682		3323
2683	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3324	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2684	$NEXT_RUNTIME_WRITE = $NOW + 10;	3325	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2686	write_runtime	3327	write_runtime
2687	or warn "ERROR: unable to write runtime file: $!";	3328	or warn "ERROR: unable to write runtime file: $!";
2688	};	3329	};
2689	}	3330	}
2690		3331
		3332	# my $AFTER = Event::time;
		3333	# warn $AFTER - $NOW;#d#
		3334
2691	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3335	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2692	$sig->send;	3336	$sig->send;
2693	}	3337	}
2694	while (my $sig = shift @WAIT_FOR_TICK) {	3338	while (my $sig = shift @WAIT_FOR_TICK) {
2695	$sig->send;	3339	$sig->send;
2696	}	3340	}
2697		3341
2698	# my $AFTER = Event::time;	3342	$NOW = Event::time;
2699	# warn $AFTER - $NOW;#d#
2700		3343
2701	# if we are delayed by four ticks or more, skip them all	3344	# if we are delayed by four ticks or more, skip them all
2702	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3345	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2703		3346
2704	$TICK_WATCHER->at ($NEXT_TICK);	3347	$TICK_WATCHER->at ($NEXT_TICK);
2705	$TICK_WATCHER->start;	3348	$TICK_WATCHER->start;
		3349
		3350	$LOAD = ($NOW - $tick_start) / $TICK;
		3351	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3352
		3353	_post_tick;
		3354
		3355
2706	},	3356	},
2707	);	3357	);
2708		3358
2709	{	3359	{
2710	BDB::max_poll_time $TICK * 0.1;	3360	BDB::max_poll_time $TICK * 0.1;
…		…
2738		3388
2739	cf::sync_job {	3389	cf::sync_job {
2740	eval {	3390	eval {
2741	BDB::db_env_open	3391	BDB::db_env_open
2742	$DB_ENV,	3392	$DB_ENV,
2743	$BDB_ENV_DIR,	3393	$BDBDIR,
2744	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3394	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2745	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3395	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2746	0666;	3396	0666;
2747		3397
2748	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3398	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2749		3399
2750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3400	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2751	$DB_ENV->set_lk_detect;	3401	$DB_ENV->set_lk_detect;
2752	};	3402	};
2753		3403
…		…
2769	prio => 6,	3419	prio => 6,
2770	cb => \&IO::AIO::poll_cb,	3420	cb => \&IO::AIO::poll_cb,
2771	);	3421	);
2772	}	3422	}
2773		3423
		3424	my $_log_backtrace;
		3425
		3426	sub _log_backtrace {
		3427	my ($msg, @addr) = @_;
		3428
		3429	$msg =~ s/\n//;
		3430
		3431	# limit the # of concurrent backtraces
		3432	if ($_log_backtrace < 2) {
		3433	++$_log_backtrace;
		3434	async {
		3435	my @bt = fork_call {
		3436	@addr = map { sprintf "%x", $_ } @addr;
		3437	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3438	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3439	or die "addr2line: $!";
		3440
		3441	my @funcs;
		3442	my @res = <$fh>;
		3443	chomp for @res;
		3444	while (@res) {
		3445	my ($func, $line) = splice @res, 0, 2, ();
		3446	push @funcs, "[$func] $line";
		3447	}
		3448
		3449	@funcs
		3450	};
		3451
		3452	LOG llevInfo, "[ABT] $msg\n";
		3453	LOG llevInfo, "[ABT] $_\n" for @bt;
		3454	--$_log_backtrace;
		3455	};
		3456	} else {
		3457	LOG llevInfo, "[ABT] $msg\n";
		3458	LOG llevInfo, "[ABT] [suppressed]\n";
		3459	}
		3460	}
		3461
		3462	# load additional modules
		3463	use cf::pod;
		3464
2774	END { cf::emergency_save }	3465	END { cf::emergency_save }
2775		3466
2776	1	3467	1
2777		3468

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