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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.298 by root, Sun Jul 8 14:50:07 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;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
20	use BDB ();	26	use BDB ();
21	use Data::Dumper;	27	use Data::Dumper;
22	use Digest::MD5;	28	use Digest::MD5;
23	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
24	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	32	use Time::HiRes;
27	use Compress::LZF;	33	use Compress::LZF;
28		34
		35	# configure various modules to our taste
		36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
		38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		40
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	41	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		42
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
37		45
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
40	our %COMMAND = ();	50	our %COMMAND = ();
41	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
42		52
43	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
47		58
		59	our $RELOAD; # number of reloads so far
48	our @EVENT;	60	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		61
51	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	75	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	78	our $NEXT_TICK;
56	our $NOW;	79	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		81
59	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
…		…
65	our $RUNTIME;	88	our $RUNTIME;
66		89
67	our %PLAYER; # all users	90	our %PLAYER; # all users
68	our %MAP; # all maps	91	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	92	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		93
76	# used to convert map paths into valid unix filenames by replacing / by ∕	94	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		96
		97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		98	our $LOADAVG; # same thing, but with alpha-smoothing
		99	our $tick_start; # for load detecting purposes
		100
79	binmode STDOUT;	101	binmode STDOUT;
80	binmode STDERR;	102	binmode STDERR;
81		103
82	# read virtual server time, if available	104	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
87	}	109	}
88		110
89	mkdir cf::localdir;	111	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		113
96	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
97		115
98	sub cf::map::normalise;	116	sub cf::map::normalise;
99		117
…		…
110	=item $cf::RUNTIME	128	=item $cf::RUNTIME
111		129
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	130	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	131	every server tick.
114		132
115	=item $cf::LIBDIR	133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		136
117	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		139	unique-items directory, player file directory, random maps directory and
		140	database environment.
119		141
120	=item $cf::NOW	142	=item $cf::NOW
121		143
122	The time of the last (current) server tick.	144	The time of the last (current) server tick.
123		145
124	=item $cf::TICK	146	=item $cf::TICK
125		147
126	The interval between server ticks, in seconds.	148	The interval between server ticks, in seconds.
		149
		150	=item $cf::LOADAVG
		151
		152	The current CPU load on the server (alpha-smoothed), as a value between 0
		153	(none) and 1 (overloaded), indicating how much time is spent on processing
		154	objects per tick. Healthy values are < 0.5.
		155
		156	=item $cf::LOAD
		157
		158	The raw value load value from the last tick.
127		159
128	=item %cf::CFG	160	=item %cf::CFG
129		161
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	163	from wherever your confdir points to.
132		164
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		166
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	168	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.
139		170
140	=back	171	=back
141		172
142	=cut	173	=cut
143		174
144	BEGIN {	175	BEGIN {
145	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	177	my $msg = join "", @_;
147	utf8::encode $msg;
148		178
149	$msg .= "\n"	179	$msg .= "\n"
150	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
151		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
152	LOG llevError, $msg;	185	LOG llevError, $msg;
153	};	186	};
154	}	187	}
155		188
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	193	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		194	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	195	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		196
163	# we bless all objects into (empty) derived classes to force a method lookup	197	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	198	# within the Safe compartment.
165	for my $pkg (qw(	199	for my $pkg (qw(
166	cf::global cf::attachable	200	cf::global cf::attachable
…		…
174	}	208	}
175		209
176	$Event::DIED = sub {	210	$Event::DIED = sub {
177	warn "error in event callback: @_";	211	warn "error in event callback: @_";
178	};	212	};
		213
		214	#############################################################################
179		215
180	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
181		217
182	=over 4	218	=over 4
183		219
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	239	$d
204	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
205	}	241	}
206		242
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
210		244
211	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
212		246
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
221		248
222	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
223		250
224	=cut	251	=cut
225		252
226	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
228	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
230		257
231	=item cf::lock_wait $string	258	=item cf::lock_wait $string
232		259
233	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
234		261
…		…
240	returned.	267	returned.
241		268
242	Lock names should begin with a unique identifier (for example, cf::map::find	269	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
244		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
245	=cut	276	=cut
246		277
247	our %LOCK;	278	our %LOCK;
248		279
249	sub lock_wait($) {	280	sub lock_wait($) {
…		…
268	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
270	}	301	}
271	}	302	}
272		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
273	sub freeze_mainloop {	310	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
275		312
276	my $guard = Coro::guard {	313	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	314	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	315	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
282	$guard	317	$guard
283	}	318	}
284		319
285	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
292		327
293	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
294		329
295	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
296		331
297	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
300		336
301	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
304	fast or be very important.	340	fast or be very important.
…		…
307		343
308	sub sync_job(&) {	344	sub sync_job(&) {
309	my ($job) = @_;	345	my ($job) = @_;
310		346
311	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
312	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
314		352
315	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
327		365
328	while ($busy) {	366	while ($busy) {
329	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
330	}	368	}
331		369
		370	$time = Event::time - $time;
		371
		372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		374
		375	$tick_start += $time; # do not account sync jobs to server load
		376
332	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
333	} else {	378	} else {
334	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
335		380
336	$job->()	381	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
356		401
357	$coro	402	$coro
358	}	403	}
359		404
360	sub write_runtime {	405	=item fork_call { }, $args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		406
363	my $runtime = cf::localdir . "/runtime";	407	Executes the given code block with the given arguments in a seperate
		408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
364		411
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	412	=cut
366	or return;
367		413
368	my $value = $cf::RUNTIME + 90 + 10;	414	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	415	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		416
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
373	and return;	418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
374		421
375	# always fsync - this file is important	422	if (my $pid = fork) {
376	aio_fsync $fh
377	and return;
378
379	close $fh	423	close $fh2;
380	or return;
381		424
382	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
383	and return;	426	warn "pst<$res>" unless $res =~ /^pst/;
		427	$res = Coro::Storable::thaw $res;
384		428
		429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		430
		431	Carp::confess $$res unless "ARRAY" eq ref $res;
		432
		433	return wantarray ? @$res : $res->[-1];
		434	} else {
		435	reset_signals;
		436	local $SIG{__WARN__};
		437	local $SIG{__DIE__};
		438	local $Coro::idle;
		439	$Coro::current->prio (Coro::PRIO_MAX);
		440	eval {
		441	close $fh1;
		442
		443	my @res = eval { $cb->(@args) };
		444
		445	open my $fh, ">", \my $buf
		446	or die "fork_call: cannot open fh-to-buf in child : $!";
		447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
		448	close $fh;
		449
		450	warn "writing ", length $buf;
		451	my $x;
		452	(length $buf) == ($x = syswrite $fh2, $buf)
		453	or warn "error writing ".(length $buf)." != $x\n";
		454	close $fh2;
		455	};
		456
		457	warn $@ if $@;
		458	_exit 0;
385	1	459	}
		460	}
		461
		462	=item $value = cf::db_get $family => $key
		463
		464	Returns a single value from the environment database.
		465
		466	=item cf::db_put $family => $key => $value
		467
		468	Stores the given C<$value> in the family. It can currently store binary
		469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		470
		471	=cut
		472
		473	our $DB;
		474
		475	sub db_init {
		476	unless ($DB) {
		477	$DB = BDB::db_create $DB_ENV;
		478
		479	cf::sync_job {
		480	eval {
		481	$DB->set_flags (BDB::CHKSUM);
		482
		483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		485	cf::cleanup "db_open(db): $!" if $!;
		486	};
		487	cf::cleanup "db_open(db): $@" if $@;
		488	};
		489	}
		490	}
		491
		492	sub db_get($$) {
		493	my $key = "$_[0]/$_[1]";
		494
		495	cf::sync_job {
		496	BDB::db_get $DB, undef, $key, my $data;
		497
		498	$! ? ()
		499	: $data
		500	}
		501	}
		502
		503	sub db_put($$$) {
		504	BDB::dbreq_pri 4;
		505	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		506	}
		507
		508	=item cf::cache $id => [$paths...], $processversion => $process
		509
		510	Generic caching function that returns the value of the resource $id,
		511	caching and regenerating as required.
		512
		513	This function can block.
		514
		515	=cut
		516
		517	sub cache {
		518	my ($id, $src, $processversion, $process) = @_;
		519
		520	my $meta =
		521	join "\x00",
		522	$processversion,
		523	map {
		524	aio_stat $_
		525	and Carp::croak "$_: $!";
		526
		527	($_, (stat _)[7,9])
		528	} @$src;
		529
		530	my $dbmeta = db_get cache => "$id/meta";
		531	if ($dbmeta ne $meta) {
		532	# changed, we may need to process
		533
		534	my @data;
		535	my $md5;
		536
		537	for (0 .. $#$src) {
		538	0 <= aio_load $src->[$_], $data[$_]
		539	or Carp::croak "$src->[$_]: $!";
		540	}
		541
		542	# if processing is expensive, check
		543	# checksum first
		544	if (1) {
		545	$md5 =
		546	join "\x00",
		547	$processversion,
		548	map {
		549	Coro::cede;
		550	($src->[$_], Digest::MD5::md5_hex $data[$_])
		551	} 0.. $#$src;
		552
		553
		554	my $dbmd5 = db_get cache => "$id/md5";
		555	if ($dbmd5 eq $md5) {
		556	db_put cache => "$id/meta", $meta;
		557
		558	return db_get cache => "$id/data";
		559	}
		560	}
		561
		562	my $t1 = Time::HiRes::time;
		563	my $data = $process->(\@data);
		564	my $t2 = Time::HiRes::time;
		565
		566	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		567
		568	db_put cache => "$id/data", $data;
		569	db_put cache => "$id/md5" , $md5;
		570	db_put cache => "$id/meta", $meta;
		571
		572	return $data;
		573	}
		574
		575	db_get cache => "$id/data"
		576	}
		577
		578	=item cf::datalog type => key => value, ...
		579
		580	Log a datalog packet of the given type with the given key-value pairs.
		581
		582	=cut
		583
		584	sub datalog($@) {
		585	my ($type, %kv) = @_;
		586	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386	}	587	}
387		588
388	=back	589	=back
389		590
390	=cut	591	=cut
…		…
397	attach callbacks/event handlers (a collection of which is called an "attachment")	598	attach callbacks/event handlers (a collection of which is called an "attachment")
398	to it. All such attachable objects support the following methods.	599	to it. All such attachable objects support the following methods.
399		600
400	In the following description, CLASS can be any of C<global>, C<object>	601	In the following description, CLASS can be any of C<global>, C<object>
401	C<player>, C<client> or C<map> (i.e. the attachable objects in	602	C<player>, C<client> or C<map> (i.e. the attachable objects in
402	crossfire+).	603	Crossfire TRT).
403		604
404	=over 4	605	=over 4
405		606
406	=item $attachable->attach ($attachment, key => $value...)	607	=item $attachable->attach ($attachment, key => $value...)
407		608
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	771	$registry = $CB_TYPE[$object_type] ||= [];
571		772
572	} elsif ($type eq "subtype") {	773	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	774	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	775	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	776	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		777
577	} elsif ($type eq "package") {	778	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	779	my $pkg = shift @arg;
579		780
580	while (my ($name, $id) = each %cb_id) {	781	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	810	_attach $registry, $klass, @attach;
610	}	811	}
611		812
612	$obj->{$name} = \%arg;	813	$obj->{$name} = \%arg;
613	} else {	814	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	815	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	816	}
616		817
617	$obj->{_attachment}{$name} = undef;	818	$obj->{_attachment}{$name} = undef;
618	}	819	}
619		820
…		…
621	if (ref $_[0]) {	822	if (ref $_[0]) {
622	_object_attach @_;	823	_object_attach @_;
623	} else {	824	} else {
624	_attach shift->_attach_registry, @_;	825	_attach shift->_attach_registry, @_;
625	}	826	}
		827	_recalc_want;
626	};	828	};
627		829
628	# all those should be optimised	830	# all those should be optimised
629	sub cf::attachable::detach {	831	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	832	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	835	delete $obj->{_attachment}{$name};
634	reattach ($obj);	836	reattach ($obj);
635	} else {	837	} else {
636	Carp::croak "cannot, currently, detach class attachments";	838	Carp::croak "cannot, currently, detach class attachments";
637	}	839	}
		840	_recalc_want;
638	};	841	};
639		842
640	sub cf::attachable::attached {	843	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
642		845
…		…
789	}	992	}
790	} else {	993	} else {
791	aio_unlink $filename;	994	aio_unlink $filename;
792	aio_unlink "$filename.pst";	995	aio_unlink "$filename.pst";
793	}	996	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	997	}
801	}	998	}
802		999
803	sub object_freezer_as_string {	1000	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1001	my ($rdata, $objs) = @_;
…		…
810		1007
811	sub object_thawer_load {	1008	sub object_thawer_load {
812	my ($filename) = @_;	1009	my ($filename) = @_;
813		1010
814	my ($data, $av);	1011	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1012
819	(aio_load $filename, $data) >= 0	1013	(aio_load $filename, $data) >= 0
820	or return;	1014	or return;
821		1015
822	unless (aio_stat "$filename.pst") {	1016	unless (aio_stat "$filename.pst") {
…		…
824	or return;	1018	or return;
825	$av = eval { (Storable::thaw $av)->{objs} };	1019	$av = eval { (Storable::thaw $av)->{objs} };
826	}	1020	}
827		1021
828	warn sprintf "loading %s (%d)\n",	1022	warn sprintf "loading %s (%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1023	$filename, length $data, scalar @{$av || []};
830	return ($data, $av);	1024	return ($data, $av);
831	}	1025	}
		1026
		1027	=head2 COMMAND CALLBACKS
		1028
		1029	=over 4
		1030
		1031	=cut
832		1032
833	#############################################################################	1033	#############################################################################
834	# command handling &c	1034	# command handling &c
835		1035
836	=item cf::register_command $name => \&callback($ob,$args);	1036	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1049	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1050	}
851		1051
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1052	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1053
854	Register a callbackf ro execution when the client sends an extcmd packet.	1054	Register a callback for execution when the client sends an (synchronous)
		1055	extcmd packet. Ext commands will be processed in the order they are
		1056	received by the server, like other user commands. The first argument is
		1057	the logged-in player. Ext commands can only be processed after a player
		1058	has logged in successfully.
855		1059
856	If the callback returns something, it is sent back as if reply was being	1060	If the callback returns something, it is sent back as if reply was being
857	called.	1061	called.
858		1062
		1063	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1064
		1065	Register a callback for execution when the client sends an (asynchronous)
		1066	exticmd packet. Exti commands are processed by the server as soon as they
		1067	are received, i.e. out of order w.r.t. other commands. The first argument
		1068	is a client socket. Exti commands can be received anytime, even before
		1069	log-in.
		1070
		1071	If the callback returns something, it is sent back as if reply was being
		1072	called.
		1073
859	=cut	1074	=cut
860		1075
861	sub register_extcmd {	1076	sub register_extcmd {
862	my ($name, $cb) = @_;	1077	my ($name, $cb) = @_;
863		1078
864	$EXTCMD{$name} = $cb;	1079	$EXTCMD{$name} = $cb;
		1080	}
		1081
		1082	sub register_exticmd {
		1083	my ($name, $cb) = @_;
		1084
		1085	$EXTICMD{$name} = $cb;
865	}	1086	}
866		1087
867	cf::player->attach (	1088	cf::player->attach (
868	on_command => sub {	1089	on_command => sub {
869	my ($pl, $name, $params) = @_;	1090	my ($pl, $name, $params) = @_;
…		…
878	cf::override;	1099	cf::override;
879	},	1100	},
880	on_extcmd => sub {	1101	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1102	my ($pl, $buf) = @_;
882		1103
883	my $msg = eval { from_json $buf };	1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1105
885	if (ref $msg) {	1106	if (ref $msg) {
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
887	if (my %reply = $cb->($pl, $msg)) {	1108	if (my %reply = $cb->($pl, $msg)) {
888	$pl->ext_reply ($msg->{msgid}, %reply);	1109	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
894		1115
895	cf::override;	1116	cf::override;
896	},	1117	},
897	);	1118	);
898		1119
899	sub load_extension {
900	my ($path) = @_;
901
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
903	my $base = $1;
904	my $pkg = $1;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}
927	die $@;
928	}
929
930	push @EXTS, $pkg;
931	}
932
933	sub load_extensions {	1120	sub load_extensions {
		1121	cf::sync_job {
		1122	my %todo;
		1123
934	for my $ext (<$LIBDIR/*.ext>) {	1124	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1125	next unless -r $path;
936	eval {	1126
937	load_extension $ext;	1127	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1128	my $base = $1;
		1129	my $pkg = $1;
		1130	$pkg =~ s/[^[:word:]]/_/g;
		1131	$pkg = "ext::$pkg";
		1132
		1133	open my $fh, "<:utf8", $path
		1134	or die "$path: $!";
		1135
		1136	my $source = do { local $/; <$fh> };
		1137
		1138	my %ext = (
		1139	path => $path,
		1140	base => $base,
		1141	pkg => $pkg,
		1142	);
		1143
		1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1146
		1147	$ext{source} =
		1148	"package $pkg; use strict; use utf8;\n"
		1149	. "#line 1 \"$path\"\n{\n"
		1150	. $source
		1151	. "\n};\n1";
		1152
		1153	$todo{$base} = \%ext;
		1154	}
		1155
		1156	my %done;
		1157	while (%todo) {
		1158	my $progress;
		1159
		1160	while (my ($k, $v) = each %todo) {
		1161	for (split /,\s*/, $v->{meta}{depends}) {
		1162	goto skip
		1163	unless exists $done{$_};
		1164	}
		1165
		1166	warn "... loading '$k' into '$v->{pkg}'\n";
		1167
		1168	unless (eval $v->{source}) {
		1169	my $msg = $@ ? "$v->{path}: $@\n"
		1170	: "$v->{base}: extension inactive.\n";
		1171
		1172	if (exists $v->{meta}{mandatory}) {
		1173	warn $msg;
		1174	warn "mandatory extension failed to load, exiting.\n";
		1175	exit 1;
		1176	}
		1177
		1178	warn $msg;
		1179	}
		1180
		1181	$done{$k} = delete $todo{$k};
		1182	push @EXTS, $v->{pkg};
		1183	$progress = 1;
938	1	1184	}
939	} or warn "$ext not loaded: $@";	1185
		1186	skip:
		1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1188	unless $progress;
		1189	}
940	}	1190	};
941	}	1191	}
942		1192
943	#############################################################################	1193	#############################################################################
944		1194
		1195	=back
		1196
945	=head2 CORE EXTENSIONS	1197	=head2 CORE EXTENSIONS
946		1198
947	Functions and methods that extend core crossfire objects.	1199	Functions and methods that extend core crossfire objects.
948		1200
949	=cut	1201	=cut
…		…
961	Returns the given player object, loading it if necessary (might block).	1213	Returns the given player object, loading it if necessary (might block).
962		1214
963	=cut	1215	=cut
964		1216
965	sub playerdir($) {	1217	sub playerdir($) {
966	cf::localdir	1218	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1219	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1220	}
972		1221
973	sub path($) {	1222	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1223	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1224
976	(playerdir $login) . "/$login.pl"	1225	(playerdir $login) . "/playerdata"
977	}	1226	}
978		1227
979	sub find_active($) {	1228	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1229	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1230	and $cf::PLAYER{$_[0]}->active
…		…
994	my $login = $_[0];	1243	my $login = $_[0];
995		1244
996	my $guard = cf::lock_acquire "user_find:$login";	1245	my $guard = cf::lock_acquire "user_find:$login";
997		1246
998	$cf::PLAYER{$_[0]} || do {	1247	$cf::PLAYER{$_[0]} || do {
		1248	# rename old playerfiles to new ones
		1249	#TODO: remove when no longer required
		1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1253	aio_unlink +(playerdir $login) . "/$login.pl";
		1254
999	my $pl = load_pl path $login	1255	my $pl = load_pl path $login
1000	or return;	1256	or return;
1001	$cf::PLAYER{$login} = $pl	1257	$cf::PLAYER{$login} = $pl
1002	}	1258	}
1003	}	1259	}
…		…
1040		1296
1041	=cut	1297	=cut
1042		1298
1043	sub quit_character {	1299	sub quit_character {
1044	my ($pl) = @_;	1300	my ($pl) = @_;
		1301
		1302	my $name = $pl->ob->name;
1045		1303
1046	$pl->{deny_save} = 1;	1304	$pl->{deny_save} = 1;
1047	$pl->password ("*"); # this should lock out the player until we nuked the dir	1305	$pl->password ("*"); # this should lock out the player until we nuked the dir
1048		1306
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1054	my $path = playerdir $pl;	1312	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1313	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1314	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1315	delete $cf::PLAYER{$pl->ob->name};
1058	$pl->destroy;	1316	$pl->destroy;
		1317
		1318	my $prefix = qr<^~\Q$name\E/>;
		1319
		1320	# nuke player maps
		1321	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1322
1059	IO::AIO::aio_rmtree $temp;	1323	IO::AIO::aio_rmtree $temp;
		1324	}
		1325
		1326	=item $pl->kick
		1327
		1328	Kicks a player out of the game. This destroys the connection.
		1329
		1330	=cut
		1331
		1332	sub kick {
		1333	my ($pl, $kicker) = @_;
		1334
		1335	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1336	$pl->killer ("kicked");
		1337	$pl->ns->destroy;
1060	}	1338	}
1061		1339
1062	=item cf::player::list_logins	1340	=item cf::player::list_logins
1063		1341
1064	Returns am arrayref of all valid playernames in the system, can take a	1342	Returns am arrayref of all valid playernames in the system, can take a
1065	while and may block, so not sync_job-capable, ever.	1343	while and may block, so not sync_job-capable, ever.
1066		1344
1067	=cut	1345	=cut
1068		1346
1069	sub list_logins {	1347	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1348	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1349	or return [];
1072		1350
1073	my @logins;	1351	my @logins;
1074		1352
1075	for my $login (@$dirs) {	1353	for my $login (@$dirs) {
…		…
1110	}	1388	}
1111		1389
1112	\@paths	1390	\@paths
1113	}	1391	}
1114		1392
		1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1394
		1395	Expand crossfire pod fragments into protocol xml.
		1396
		1397	=cut
		1398
		1399	sub expand_cfpod {
		1400	((my $self), (local $_)) = @_;
		1401
		1402	# escape & and <
		1403	s/&/&amp;/g;
		1404	s/(?<![BIUGH])</&lt;/g;
		1405
		1406	# this is buggy, it needs to properly take care of nested <'s
		1407
		1408	1 while
		1409	# replace B<>, I<>, U<> etc.
		1410	s/B<([^\>]*)>/<b>$1<\/b>/
		1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1413	# replace G<male|female> tags
		1414	|| s{G<([^>|]*)\|([^>]*)>}{
		1415	$self->gender ? $2 : $1
		1416	}ge
		1417	# replace H<hint text>
		1418	|| s{H<([^\>]*)>}
		1419	{
		1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1422	"")
		1423	[$self->{hintmode}]
		1424	}ge;
		1425
		1426	# create single paragraphs (very hackish)
		1427	s/(?<=\S)\n(?=\w)/ /g;
		1428
		1429	# compress some whitespace
		1430	s/\s+\n/\n/g; # ws line-ends
		1431	s/\n\n+/\n/g; # double lines
		1432	s/^\n+//; # beginning lines
		1433	s/\n+$//; # ending lines
		1434
		1435	$_
		1436	}
		1437
		1438	sub hintmode {
		1439	$_[0]{hintmode} = $_[1] if @_ > 1;
		1440	$_[0]{hintmode}
		1441	}
		1442
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1443	=item $player->ext_reply ($msgid, %msg)
1116		1444
1117	Sends an ext reply to the player.	1445	Sends an ext reply to the player.
1118		1446
1119	=cut	1447	=cut
1120		1448
1121	sub ext_reply($$$%) {	1449	sub ext_reply($$%) {
1122	my ($self, $id, %msg) = @_;	1450	my ($self, $id, %msg) = @_;
1123		1451
1124	$msg{msgid} = $id;	1452	$msg{msgid} = $id;
1125		1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1454	}
1128		1455
1129	package cf;	1456	=item $player->ext_event ($type, %msg)
		1457
		1458	Sends an ext event to the client.
		1459
		1460	=cut
		1461
		1462	sub ext_event($$%) {
		1463	my ($self, $type, %msg) = @_;
		1464
		1465	$self->ns->ext_event ($type, %msg);
		1466	}
		1467
		1468	=head3 cf::region
		1469
		1470	=over 4
		1471
		1472	=cut
		1473
		1474	package cf::region;
		1475
		1476	=item cf::region::find_by_path $path
		1477
		1478	Tries to decuce the likely region for a map knowing only its path.
		1479
		1480	=cut
		1481
		1482	sub find_by_path($) {
		1483	my ($path) = @_;
		1484
		1485	my ($match, $specificity);
		1486
		1487	for my $region (list) {
		1488	if ($region->match && $path =~ $region->match) {
		1489	($match, $specificity) = ($region, $region->specificity)
		1490	if $region->specificity > $specificity;
		1491	}
		1492	}
		1493
		1494	$match
		1495	}
1130		1496
1131	=back	1497	=back
1132
1133		1498
1134	=head3 cf::map	1499	=head3 cf::map
1135		1500
1136	=over 4	1501	=over 4
1137		1502
…		…
1192	my ($self, $merge) = @_;	1557	my ($self, $merge) = @_;
1193		1558
1194	# we have to keep some variables in memory intact	1559	# we have to keep some variables in memory intact
1195	local $self->{path};	1560	local $self->{path};
1196	local $self->{load_path};	1561	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1562
1200	$self->SUPER::thawer_merge ($merge);	1563	$self->SUPER::thawer_merge ($merge);
1201	}	1564	}
1202		1565
1203	sub normalise {	1566	sub normalise {
…		…
1275		1638
1276	# the original (read-only) location	1639	# the original (read-only) location
1277	sub load_path {	1640	sub load_path {
1278	my ($self) = @_;	1641	my ($self) = @_;
1279		1642
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1643	"$MAPDIR/$self->{path}.map"
1281	}	1644	}
1282		1645
1283	# the temporary/swap location	1646	# the temporary/swap location
1284	sub save_path {	1647	sub save_path {
1285	my ($self) = @_;	1648	my ($self) = @_;
1286		1649
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1651	"$TMPDIR/$path.map"
1289	}	1652	}
1290		1653
1291	# the unique path, undef == no special unique path	1654	# the unique path, undef == no special unique path
1292	sub uniq_path {	1655	sub uniq_path {
1293	my ($self) = @_;	1656	my ($self) = @_;
1294		1657
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1659	"$UNIQUEDIR/$path"
1297	}	1660	}
1298		1661
1299	# and all this just because we cannot iterate over	1662	# and all this just because we cannot iterate over
1300	# all maps in C++...	1663	# all maps in C++...
1301	sub change_all_map_light {	1664	sub change_all_map_light {
…		…
1303		1666
1304	$_->change_map_light ($change)	1667	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1668	for grep $_->outdoor, values %cf::MAP;
1306	}	1669	}
1307		1670
		1671	sub decay_objects {
		1672	my ($self) = @_;
		1673
		1674	return if $self->{deny_reset};
		1675
		1676	$self->do_decay_objects;
		1677	}
		1678
1308	sub unlink_save {	1679	sub unlink_save {
1309	my ($self) = @_;	1680	my ($self) = @_;
1310		1681
1311	utf8::encode (my $save = $self->save_path);	1682	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1683	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1684	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1685	}
1320		1686
1321	sub load_header_from($) {	1687	sub load_header_from($) {
1322	my ($self, $path) = @_;	1688	my ($self, $path) = @_;
1323		1689
…		…
1373	$self->load_header_orig	1739	$self->load_header_orig
1374	or return;	1740	or return;
1375	$self->prepare_orig;	1741	$self->prepare_orig;
1376	}	1742	}
1377		1743
		1744	$self->{deny_reset} = 1
		1745	if $self->no_reset;
		1746
		1747	$self->default_region (cf::region::find_by_path $self->{path})
		1748	unless $self->default_region;
		1749
1378	1	1750	1
1379	}	1751	}
1380		1752
1381	sub find;	1753	sub find;
1382	sub find {	1754	sub find {
…		…
1394	$map->{last_save} = $cf::RUNTIME;	1766	$map->{last_save} = $cf::RUNTIME;
1395		1767
1396	$map->load_header	1768	$map->load_header
1397	or return;	1769	or return;
1398		1770
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	1772	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	1773	#$cf::WAIT_FOR_TICK->wait;
1402	$map->reset;	1774	$map->reset;
1403	undef $guard;	1775	undef $guard;
1404	return find $path;	1776	return find $path;
…		…
1415	my ($self) = @_;	1787	my ($self) = @_;
1416		1788
1417	local $self->{deny_reset} = 1; # loading can take a long time	1789	local $self->{deny_reset} = 1; # loading can take a long time
1418		1790
1419	my $path = $self->{path};	1791	my $path = $self->{path};
		1792
		1793	{
1420	my $guard = cf::lock_acquire "map_load:$path";	1794	my $guard = cf::lock_acquire "map_load:$path";
1421		1795
1422	return if $self->in_memory != cf::MAP_SWAPPED;	1796	return if $self->in_memory != cf::MAP_SWAPPED;
1423		1797
1424	$self->in_memory (cf::MAP_LOADING);	1798	$self->in_memory (cf::MAP_LOADING);
1425		1799
1426	$self->alloc;	1800	$self->alloc;
1427		1801
1428	$self->pre_load;	1802	$self->pre_load;
1429
1430	$self->_load_objects ($self->{load_path}, 1)
1431	or return;
1432
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1434	if delete $self->{load_original};
1435
1436	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {
1439	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);
1441	}
1442	}
1443
1444	Coro::cede;
1445
1446	# now do the right thing for maps
1447	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;	1803	Coro::cede;
1454	$self->set_darkness_map;	1804
		1805	$self->_load_objects ($self->{load_path}, 1)
		1806	or return;
		1807
		1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1809	if delete $self->{load_original};
		1810
		1811	if (my $uniq = $self->uniq_path) {
		1812	utf8::encode $uniq;
		1813	if (aio_open $uniq, O_RDONLY, 0) {
		1814	$self->clear_unique_items;
		1815	$self->_load_objects ($uniq, 0);
		1816	}
		1817	}
		1818
		1819	Coro::cede;
		1820	# now do the right thing for maps
		1821	$self->link_multipart_objects;
1455	$self->difficulty ($self->estimate_difficulty)	1822	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	1823	unless $self->difficulty;
1457	Coro::cede;	1824	Coro::cede;
		1825
		1826	unless ($self->{deny_activate}) {
		1827	$self->decay_objects;
		1828	$self->fix_auto_apply;
		1829	$self->update_buttons;
		1830	Coro::cede;
		1831	$self->set_darkness_map;
		1832	Coro::cede;
1458	$self->activate;	1833	$self->activate;
		1834	}
		1835
		1836	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1837	}
1460		1838
1461	$self->post_load;	1839	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	1840	}
1465		1841
1466	sub customise_for {	1842	sub customise_for {
1467	my ($self, $ob) = @_;	1843	my ($self, $ob) = @_;
1468		1844
1469	return find "~" . $ob->name . "/" . $self->{path}	1845	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	1846	if $self->per_player;
		1847
		1848	# return find "?party/" . $ob->name . "/" . $self->{path}
		1849	# if $self->per_party;
1471		1850
1472	$self	1851	$self
1473	}	1852	}
1474		1853
1475	# find and load all maps in the 3x3 area around a map	1854	# find and load all maps in the 3x3 area around a map
…		…
1586		1965
1587	sub reset_at {	1966	sub reset_at {
1588	my ($self) = @_;	1967	my ($self) = @_;
1589		1968
1590	# TODO: safety, remove and allow resettable per-player maps	1969	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	1970	return 1e99 if $self->{deny_reset};
1593		1971
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1972	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1973	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		1974
…		…
1607	my ($self) = @_;	1985	my ($self) = @_;
1608		1986
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	1987	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		1988
1611	return if $self->players;	1989	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		1990
1614	warn "resetting map ", $self->path;#d#	1991	warn "resetting map ", $self->path;
1615		1992
1616	$self->in_memory (cf::MAP_SWAPPED);	1993	$self->in_memory (cf::MAP_SWAPPED);
1617		1994
1618	# need to save uniques path	1995	# need to save uniques path
1619	unless ($self->{deny_save}) {	1996	unless ($self->{deny_save}) {
…		…
1651	$cf::MAP{$self->path} = $self;	2028	$cf::MAP{$self->path} = $self;
1652		2029
1653	$self->reset; # polite request, might not happen	2030	$self->reset; # polite request, might not happen
1654	}	2031	}
1655		2032
		2033	=item $maps = cf::map::tmp_maps
		2034
		2035	Returns an arrayref with all map paths of currently instantiated and saved
		2036	maps. May block.
		2037
		2038	=cut
		2039
		2040	sub tmp_maps() {
		2041	[
		2042	map {
		2043	utf8::decode $_;
		2044	/\.map$/
		2045	? normalise $_
		2046	: ()
		2047	} @{ aio_readdir $TMPDIR or [] }
		2048	]
		2049	}
		2050
		2051	=item $maps = cf::map::random_maps
		2052
		2053	Returns an arrayref with all map paths of currently instantiated and saved
		2054	random maps. May block.
		2055
		2056	=cut
		2057
		2058	sub random_maps() {
		2059	[
		2060	map {
		2061	utf8::decode $_;
		2062	/\.map$/
		2063	? normalise "?random/$_"
		2064	: ()
		2065	} @{ aio_readdir $RANDOMDIR or [] }
		2066	]
		2067	}
		2068
1656	=item cf::map::unique_maps	2069	=item cf::map::unique_maps
1657		2070
1658	Returns an arrayref of paths of all shared maps that have	2071	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2072	instantiated unique items. May block.
1660		2073
1661	=cut	2074	=cut
1662		2075
1663	sub unique_maps() {	2076	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2077	[
1665	or return;	2078	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2079	utf8::decode $_;
1671	next if /\.pst$/;	2080	/\.map$/
1672	next unless /^$PATH_SEP/o;	2081	? normalise $_
1673		2082	: ()
1674	push @paths, cf::map::normalise $_;	2083	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2084	]
1676
1677	\@paths
1678	}	2085	}
1679		2086
1680	package cf;	2087	package cf;
1681		2088
1682	=back	2089	=back
…		…
1728		2135
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2136	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2137
1731	if ($self->{record_replies}) {	2138	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2139	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2140
1733	} else {	2141	} else {
		2142	my $pl = $self->contr;
		2143
		2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2145	my $diag = $pl->{npc_dialog};
		2146	$diag->{pl}->ext_reply (
		2147	$diag->{id},
		2148	msgtype => "reply",
		2149	msg => $diag->{pl}->expand_cfpod ($msg),
		2150	add_topics => []
		2151	);
		2152
		2153	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2154	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2155	$self->message ($msg, $flags);
		2156	}
1736	}	2157	}
1737	}	2158	}
1738		2159
1739	=item $player_object->may ("access")	2160	=item $player_object->may ("access")
1740		2161
…		…
1788	$self->deactivate_recursive;	2209	$self->deactivate_recursive;
1789		2210
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2211	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2212
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2214	if $self->map && $self->map->{path} ne "{link}";
1794		2215
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2217	}
1797		2218
1798	sub cf::object::player::leave_link {	2219	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2220	my ($self, $map, $x, $y) = @_;
		2221
		2222	return unless $self->contr->active;
1800		2223
1801	my $link_pos = delete $self->{_link_pos};	2224	my $link_pos = delete $self->{_link_pos};
1802		2225
1803	unless ($map) {	2226	unless ($map) {
1804	# restore original map position	2227	# restore original map position
…		…
1822	$map->load;	2245	$map->load;
1823	$map->load_diag;	2246	$map->load_diag;
1824		2247
1825	return unless $self->contr->active;	2248	return unless $self->contr->active;
1826	$self->activate_recursive;	2249	$self->activate_recursive;
		2250
		2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2252	$self->enter_map ($map, $x, $y);
1828	}	2253	}
1829		2254
1830	cf::player->attach (
1831	on_logout => sub {
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)	2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1863		2256
		2257	Moves the player to the given map-path and coordinates by first freezing
		2258	her, loading and preparing them map, calling the provided $check callback
		2259	that has to return the map if sucecssful, and then unfreezes the player on
		2260	the new (success) or old (failed) map position.
		2261
1864	=cut	2262	=cut
		2263
		2264	our $GOTOGEN;
1865		2265
1866	sub cf::object::player::goto {	2266	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2267	my ($self, $path, $x, $y, $check) = @_;
		2268
		2269	# do generation counting so two concurrent goto's will be executed in-order
		2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2271
1869	$self->enter_link;	2272	$self->enter_link;
1870		2273
1871	(async {	2274	(async {
1872	my $map = eval {	2275	my $map = eval {
1873	my $map = cf::map::find $path;	2276	my $map = cf::map::find $path;
		2277
		2278	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2279	$map = $map->customise_for ($self);
		2280	$map = $check->($map) if $check && $map;
		2281	} else {
		2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2283	}
		2284
1875	$map	2285	$map
		2286	};
		2287
		2288	if ($@) {
		2289	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2290	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2291	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2292
		2293	if ($gen == $self->{_goto_generation}) {
		2294	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2295	$self->leave_link ($map, $x, $y);
		2296	}
1880	})->prio (1);	2297	})->prio (1);
1881	}	2298	}
1882		2299
1883	=item $player_object->enter_exit ($exit_object)	2300	=item $player_object->enter_exit ($exit_object)
1884		2301
…		…
1923		2340
1924	$rmp->{random_seed} ||= $exit->random_seed;	2341	$rmp->{random_seed} ||= $exit->random_seed;
1925		2342
1926	my $data = cf::to_json $rmp;	2343	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2344	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2345	my $meta = "$RANDOMDIR/$md5.meta";
1929		2346
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2348	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2349	undef $fh;
1933	aio_rename "$meta~", $meta;	2350	aio_rename "$meta~", $meta;
…		…
1942		2359
1943	return unless $self->type == cf::PLAYER;	2360	return unless $self->type == cf::PLAYER;
1944		2361
1945	if ($exit->slaying eq "/!") {	2362	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2364	# the problem is that $exit might not survive long enough
		2365	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2366	cf::sync_job { prepare_random_map $exit };
1948	}	2367	}
1949		2368
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2370	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2371	my $sp = $exit->stats->sp;
1953		2372
1954	$self->enter_link;	2373	$self->enter_link;
		2374
		2375	# if exit is damned, update players death & WoR home-position
		2376	$self->contr->savebed ($slaying, $hp, $sp)
		2377	if $exit->flag (FLAG_DAMNED);
1955		2378
1956	(async {	2379	(async {
1957	$self->deactivate_recursive; # just to be sure	2380	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2381	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2382	$self->goto ($slaying, $hp, $sp);
1960		2383
1961	1;	2384	1;
1962	}) {	2385	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2386	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2387	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2388	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2389	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2390
1968	warn "ERROR in enter_exit: $@";	2391	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2392	$self->leave_link;
1970	}	2393	}
1971	})->prio (1);	2394	})->prio (1);
…		…
1984		2407
1985	sub cf::client::send_drawinfo {	2408	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2409	my ($self, $text, $flags) = @_;
1987		2410
1988	utf8::encode $text;	2411	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2413	}
1991		2414
		2415	=item $client->send_msg ($color, $type, $msg, [extra...])
		2416
		2417	Send a drawinfo or msg packet to the client, formatting the msg for the
		2418	client if neccessary. C<$type> should be a string identifying the type of
		2419	the message, with C<log> being the default. If C<$color> is negative, suppress
		2420	the message unless the client supports the msg packet.
		2421
		2422	=cut
		2423
		2424	sub cf::client::send_msg {
		2425	my ($self, $color, $type, $msg, @extra) = @_;
		2426
		2427	$msg = $self->pl->expand_cfpod ($msg);
		2428
		2429	return unless @extra || length $msg;
		2430
		2431	if ($self->can_msg) {
		2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2433	} else {
		2434	# replace some tags by gcfclient-compatible ones
		2435	for ($msg) {
		2436	1 while
		2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2442	}
		2443
		2444	if ($color >= 0) {
		2445	if (0 && $msg =~ /\[/) {
		2446	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2447	} else {
		2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2449	$self->send_packet ("drawinfo $color $msg")
		2450	}
		2451	}
		2452	}
		2453	}
		2454
		2455	=item $client->ext_event ($type, %msg)
		2456
		2457	Sends an ext event to the client.
		2458
		2459	=cut
		2460
		2461	sub cf::client::ext_event($$%) {
		2462	my ($self, $type, %msg) = @_;
		2463
		2464	$msg{msgtype} = "event_$type";
		2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2466	}
1992		2467
1993	=item $success = $client->query ($flags, "text", \&cb)	2468	=item $success = $client->query ($flags, "text", \&cb)
1994		2469
1995	Queues a query to the client, calling the given callback with	2470	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2471	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2472	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2473
1999	Queries can fail, so check the return code. Or don't, as queries will become	2474	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2475	become reliable at some point in the future.
2001		2476
2002	=cut	2477	=cut
2003		2478
2004	sub cf::client::query {	2479	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2480	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2488	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2489	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2490
2016	$self->send_packet ($self->{query_queue}[0][0])	2491	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2492	if @{ $self->{query_queue} } == 1;
		2493
		2494	1
2018	}	2495	}
2019		2496
2020	cf::client->attach (	2497	cf::client->attach (
		2498	on_connect => sub {
		2499	my ($ns) = @_;
		2500
		2501	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2502	},
2021	on_reply => sub {	2503	on_reply => sub {
2022	my ($ns, $msg) = @_;	2504	my ($ns, $msg) = @_;
2023		2505
2024	# this weird shuffling is so that direct followup queries	2506	# this weird shuffling is so that direct followup queries
2025	# get handled first	2507	# get handled first
…		…
2037	} else {	2519	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2520	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2521	}
2040	}	2522	}
2041	},	2523	},
		2524	on_exticmd => sub {
		2525	my ($ns, $buf) = @_;
		2526
		2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2528
		2529	if (ref $msg) {
		2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2531	if (my %reply = $cb->($ns, $msg)) {
		2532	$reply{msgid} = $msg->{msgid};
		2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2534	}
		2535	}
		2536	} else {
		2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2538	}
		2539
		2540	cf::override;
		2541	},
2042	);	2542	);
2043		2543
2044	=item $client->async (\&cb)	2544	=item $client->async (\&cb)
2045		2545
2046	Create a new coroutine, running the specified callback. The coroutine will	2546	Create a new coroutine, running the specified callback. The coroutine will
…		…
2093		2593
2094	# here we export the classes and methods available to script code	2594	# here we export the classes and methods available to script code
2095		2595
2096	=pod	2596	=pod
2097		2597
2098	The following fucntions and emthods are available within a safe environment:	2598	The following functions and methods are available within a safe environment:
2099		2599
2100	cf::object contr pay_amount pay_player map	2600	cf::object
		2601	contr pay_amount pay_player map x y force_find force_add
		2602	insert remove
		2603
2101	cf::object::player player	2604	cf::object::player
2102	cf::player peaceful	2605	player
2103	cf::map trigger	2606
		2607	cf::player
		2608	peaceful
		2609
		2610	cf::map
		2611	trigger
2104		2612
2105	=cut	2613	=cut
2106		2614
2107	for (	2615	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2617	insert remove)],
2109	["cf::object::player" => qw(player)],	2618	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	2619	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	2620	["cf::map" => qw(trigger)],
2112	) {	2621	) {
2113	no strict 'refs';	2622	no strict 'refs';
…		…
2184	=back	2693	=back
2185		2694
2186	=cut	2695	=cut
2187		2696
2188	#############################################################################	2697	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	2698	# the server's init and main functions
2262		2699
2263	sub load_resources {	2700	sub load_facedata($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2701	my ($path) = @_;
		2702
		2703	warn "loading facedata from $path\n";
		2704
		2705	my $facedata;
		2706	0 < aio_load $path, $facedata
		2707	or die "$path: $!";
		2708
		2709	$facedata = Coro::Storable::thaw $facedata;
		2710
		2711	$facedata->{version} == 2
		2712	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2713
		2714	{
		2715	my $faces = $facedata->{faceinfo};
		2716
		2717	while (my ($face, $info) = each %$faces) {
		2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2722	Coro::cede;
		2723	}
		2724
		2725	while (my ($face, $info) = each %$faces) {
		2726	next unless $info->{smooth};
		2727	my $idx = cf::face::find $face
		2728	or next;
		2729	if (my $smooth = cf::face::find $info->{smooth}) {
		2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2731	} else {
		2732	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2733	}
		2734	Coro::cede;
		2735	}
		2736	}
		2737
		2738	{
		2739	my $anims = $facedata->{animinfo};
		2740
		2741	while (my ($anim, $info) = each %$anims) {
		2742	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2743	Coro::cede;
		2744	}
		2745
		2746	cf::anim::invalidate_all; # d'oh
		2747	}
		2748
		2749	1
		2750	}
		2751
		2752	sub reload_regions {
		2753	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	2754	or die "unable to load regions file\n";
		2755	}
		2756
		2757	sub reload_facedata {
		2758	load_facedata "$DATADIR/facedata"
		2759	or die "unable to load facedata\n";
		2760	}
		2761
		2762	sub reload_archetypes {
		2763	load_resource_file "$DATADIR/archetypes"
		2764	or die "unable to load archetypes\n";
		2765	#d# NEED to laod twice to resolve forward references
		2766	# this really needs to be done in an extra post-pass
		2767	# (which needs to be synchronous, so solve it differently)
		2768	load_resource_file "$DATADIR/archetypes"
		2769	or die "unable to load archetypes\n";
		2770	}
		2771
		2772	sub reload_treasures {
		2773	load_resource_file "$DATADIR/treasures"
		2774	or die "unable to load treasurelists\n";
		2775	}
		2776
		2777	sub reload_resources {
		2778	warn "reloading resource files...\n";
		2779
		2780	reload_regions;
		2781	reload_facedata;
		2782	#reload_archetypes;#d#
		2783	reload_archetypes;
		2784	reload_treasures;
		2785
		2786	warn "finished reloading resource files\n";
		2787	}
		2788
		2789	sub init {
		2790	reload_resources;
2266	}	2791	}
2267		2792
2268	sub cfg_load {	2793	sub cfg_load {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	2794	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	2795	or return;
2271		2796
2272	local $/;	2797	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	2798	*CFG = YAML::Syck::Load <$fh>;
2274		2799
…		…
2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2807	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2283	and die "WARNING: m(un)lockall failed: $!\n";	2808	and die "WARNING: m(un)lockall failed: $!\n";
2284	};	2809	};
2285	warn $@ if $@;	2810	warn $@ if $@;
2286	}	2811	}
2287	}
2288
2289	sub init {
2290	load_resources;
2291	}	2812	}
2292		2813
2293	sub main {	2814	sub main {
2294	# we must not ever block the main coroutine	2815	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	2816	local $Coro::idle = sub {
…		…
2323	},	2844	},
2324	);	2845	);
2325	}	2846	}
2326	}	2847	}
2327		2848
		2849	sub write_runtime {
		2850	my $runtime = "$LOCALDIR/runtime";
		2851
		2852	# first touch the runtime file to show we are still running:
		2853	# the fsync below can take a very very long time.
		2854
		2855	IO::AIO::aio_utime $runtime, undef, undef;
		2856
		2857	my $guard = cf::lock_acquire "write_runtime";
		2858
		2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2860	or return;
		2861
		2862	my $value = $cf::RUNTIME + 90 + 10;
		2863	# 10 is the runtime save interval, for a monotonic clock
		2864	# 60 allows for the watchdog to kill the server.
		2865
		2866	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2867	and return;
		2868
		2869	# always fsync - this file is important
		2870	aio_fsync $fh
		2871	and return;
		2872
		2873	# touch it again to show we are up-to-date
		2874	aio_utime $fh, undef, undef;
		2875
		2876	close $fh
		2877	or return;
		2878
		2879	aio_rename "$runtime~", $runtime
		2880	and return;
		2881
		2882	warn "runtime file written.\n";
		2883
		2884	1
		2885	}
		2886
2328	sub emergency_save() {	2887	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	2888	my $freeze_guard = cf::freeze_mainloop;
2330		2889
2331	warn "enter emergency perl save\n";	2890	warn "enter emergency perl save\n";
2332		2891
…		…
2363		2922
2364	warn Carp::longmess "post_cleanup backtrace"	2923	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	2924	if $make_core;
2366	}	2925	}
2367		2926
2368	sub reload() {	2927	sub do_reload_perl() {
2369	# can/must only be called in main	2928	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	2929	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	2930	warn "can only reload from main coroutine";
2372	return;	2931	return;
2373	}	2932	}
2374		2933
2375	warn "reloading...";	2934	warn "reloading...";
2376		2935
2377	warn "cancelling server ticker";	2936	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		2937
		2938	cf::sync_job {
		2939	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	2940	cf::emergency_save;
		2941	cf::write_runtime; # external watchdog should not bark
2381		2942
2382	eval {	2943	warn "syncing database to disk";
		2944	BDB::db_env_txn_checkpoint $DB_ENV;
		2945
2383	# if anything goes wrong in here, we should simply crash as we already saved	2946	# if anything goes wrong in here, we should simply crash as we already saved
2384		2947
2385	warn "cancelling all WF_AUTOCANCEL watchers";	2948	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {	2949	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;	2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}	2951	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392		2952
2393	warn "flushing outstanding aio requests";	2953	warn "flushing outstanding aio requests";
2394	for (;;) {	2954	for (;;) {
2395	BDB::flush;	2955	BDB::flush;
2396	IO::AIO::flush;	2956	IO::AIO::flush;
2397	Coro::cede;	2957	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	2958	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	2959	warn "iterate...";
2400	}	2960	}
2401		2961
		2962	++$RELOAD;
		2963
2402	warn "cancelling all extension coros";	2964	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	2965	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	2966	%EXT_CORO = ();
2405		2967
2406	warn "removing commands";	2968	warn "removing commands";
2407	%COMMAND = ();	2969	%COMMAND = ();
2408		2970
2409	warn "removing ext commands";	2971	warn "removing ext/exti commands";
2410	%EXTCMD = ();	2972	%EXTCMD = ();
		2973	%EXTICMD = ();
2411		2974
2412	warn "unloading/nuking all extensions";	2975	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	2976	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	2977	warn "... unloading $pkg";
2415		2978
…		…
2445	Symbol::delete_package "safe::$_"	3008	Symbol::delete_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3009	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3010
2448	warn "unloading cf.pm \"a bit\"";	3011	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3012	delete $INC{"cf.pm"};
		3013	delete $INC{"cf/pod.pm"};
2450		3014
2451	# don't, removes xs symbols, too,	3015	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3016	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3017	#Symbol::delete_package __PACKAGE__;
2454		3018
…		…
2463		3027
2464	warn "loading extensions";	3028	warn "loading extensions";
2465	cf::load_extensions;	3029	cf::load_extensions;
2466		3030
2467	warn "reattaching attachments to objects/players";	3031	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3032	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3033	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3034	reattach $_ for values %MAP;
		3035	warn "reattaching attachments to players";
		3036	reattach $_ for values %PLAYER;
2471		3037
2472	warn "loading reloadable resources";	3038	warn "leaving sync_job";
2473	load_resources;
2474		3039
2475	warn "restarting server ticker";	3040	1
2476		3041	} or do {
2477	$TICK_WATCHER->start;
2478	};
2479
2480	if ($@) {
2481	warn $@;	3042	warn $@;
2482	warn "error while reloading, exiting.";	3043	warn "error while reloading, exiting.";
2483	exit 1;	3044	exit 1;
2484	}	3045	};
2485		3046
2486	warn "reloaded";	3047	warn "reloaded";
2487	};	3048	};
2488		3049
2489	our $RELOAD_WATCHER; # used only during reload	3050	our $RELOAD_WATCHER; # used only during reload
2490		3051
		3052	sub reload_perl() {
		3053	# doing reload synchronously and two reloads happen back-to-back,
		3054	# coro crashes during coro_state_free->destroy here.
		3055
		3056	$RELOAD_WATCHER ||= Event->timer (
		3057	reentrant => 0,
		3058	after => 0,
		3059	data => WF_AUTOCANCEL,
		3060	cb => sub {
		3061	do_reload_perl;
		3062	undef $RELOAD_WATCHER;
		3063	},
		3064	);
		3065	}
		3066
2491	register_command "reload" => sub {	3067	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3068	my ($who, $arg) = @_;
2493		3069
2494	if ($who->flag (FLAG_WIZ)) {	3070	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3071	$who->message ("reloading server.");
2496		3072	async { reload_perl };
2497	# doing reload synchronously and two reloads happen back-to-back,
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);
2509	}	3073	}
2510	};	3074	};
2511		3075
2512	unshift @INC, $LIBDIR;	3076	unshift @INC, $LIBDIR;
2513		3077
2514	my $bug_warning = 0;	3078	my $bug_warning = 0;
2515		3079
		3080	our @WAIT_FOR_TICK;
		3081	our @WAIT_FOR_TICK_BEGIN;
		3082
		3083	sub wait_for_tick {
		3084	return unless $TICK_WATCHER->is_active;
		3085	return if $Coro::current == $Coro::main;
		3086
		3087	my $signal = new Coro::Signal;
		3088	push @WAIT_FOR_TICK, $signal;
		3089	$signal->wait;
		3090	}
		3091
		3092	sub wait_for_tick_begin {
		3093	return unless $TICK_WATCHER->is_active;
		3094	return if $Coro::current == $Coro::main;
		3095
		3096	my $signal = new Coro::Signal;
		3097	push @WAIT_FOR_TICK_BEGIN, $signal;
		3098	$signal->wait;
		3099	}
		3100
		3101	my $min = 1e6;#d#
		3102	my $avg = 10;
2516	$TICK_WATCHER = Event->timer (	3103	$TICK_WATCHER = Event->timer (
2517	reentrant => 0,	3104	reentrant => 0,
2518	parked => 1,	3105	parked => 1,
2519	prio => 0,	3106	prio => 0,
2520	at => $NEXT_TICK || $TICK,	3107	at => $NEXT_TICK || $TICK,
…		…
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3112	unless ++$bug_warning > 10;
2526	return;	3113	return;
2527	}	3114	}
2528		3115
2529	$NOW = Event::time;	3116	$NOW = $tick_start = Event::time;
2530		3117
2531	cf::server_tick; # one server iteration	3118	cf::server_tick; # one server iteration
		3119
		3120	0 && sync_job {#d#
		3121	for(1..10) {
		3122	my $t = Event::time;
		3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3124	or die;
		3125
		3126	$map->width (50);
		3127	$map->height (50);
		3128	$map->alloc;
		3129	$map->_load_objects ("/tmp/x.map", 1);
		3130	my $t = Event::time - $t;
		3131
		3132	#next unless $t < 0.0013;#d#
		3133	if ($t < $min) {
		3134	$min = $t;
		3135	}
		3136	$avg = $avg * 0.99 + $t * 0.01;
		3137	}
		3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3139	exit 0;
		3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3141	};
		3142
2532	$RUNTIME += $TICK;	3143	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;	3144	$NEXT_TICK += $TICK;
2534		3145
2535	$WAIT_FOR_TICK->broadcast;	3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
2537		3148	Coro::async_pool {
2538	Event::sweep;	3149	write_runtime
2539	Coro::cede_notself;	3150	or warn "ERROR: unable to write runtime file: $!";
		3151	};
2540		3152	}
		3153
2541	# my $AFTER = Event::time;	3154	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#	3155	# warn $AFTER - $NOW;#d#
2543		3156
		3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3158	$sig->send;
		3159	}
		3160	while (my $sig = shift @WAIT_FOR_TICK) {
		3161	$sig->send;
		3162	}
		3163
		3164	$NOW = Event::time;
		3165
2544	# if we are delayed by four ticks or more, skip them all	3166	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2546		3168
2547	$TICK_WATCHER->at ($NEXT_TICK);	3169	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;	3170	$TICK_WATCHER->start;
		3171
		3172	$LOAD = ($NOW - $tick_start) / $TICK;
		3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3174
		3175	_post_tick;
		3176
		3177
2549	},	3178	},
2550	);	3179	);
2551		3180
2552	{	3181	{
2553	BDB::max_poll_time $TICK * 0.1;	3182	BDB::max_poll_time $TICK * 0.1;
…		…
2581		3210
2582	cf::sync_job {	3211	cf::sync_job {
2583	eval {	3212	eval {
2584	BDB::db_env_open	3213	BDB::db_env_open
2585	$DB_ENV,	3214	$DB_ENV,
2586	$BDB_ENV_DIR,	3215	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3218	0666;
2590		3219
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592		3221
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;	3223	$DB_ENV->set_lk_detect;
2595	};	3224	};
2596		3225
…		…
2604		3233
2605	undef $Coro::AIO::WATCHER;	3234	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3235	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3236	$AIO_POLL_WATCHER = Event->io (
2608	reentrant => 0,	3237	reentrant => 0,
		3238	data => WF_AUTOCANCEL,
2609	fd => IO::AIO::poll_fileno,	3239	fd => IO::AIO::poll_fileno,
2610	poll => 'r',	3240	poll => 'r',
2611	prio => 6,	3241	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,	3242	cb => \&IO::AIO::poll_cb,
2614	);	3243	);
2615	}	3244	}
2616		3245
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3246	my $_log_backtrace;
2618	reentrant => 0,	3247
2619	data => WF_AUTOCANCEL,	3248	sub _log_backtrace {
2620	after => 1,	3249	my ($msg, @addr) = @_;
2621	interval => 10,	3250
2622	prio => 6, # keep it lowest so it acts like a watchdog	3251	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3252
2624	write_runtime	3253	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3254	if ($_log_backtrace < 2) {
		3255	++$_log_backtrace;
		3256	async {
		3257	my @bt = fork_call {
		3258	@addr = map { sprintf "%x", $_ } @addr;
		3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3261	or die "addr2line: $!";
		3262
		3263	my @funcs;
		3264	my @res = <$fh>;
		3265	chomp for @res;
		3266	while (@res) {
		3267	my ($func, $line) = splice @res, 0, 2, ();
		3268	push @funcs, "[$func] $line";
		3269	}
		3270
		3271	@funcs
		3272	};
		3273
		3274	LOG llevInfo, "[ABT] $msg\n";
		3275	LOG llevInfo, "[ABT] $_\n" for @bt;
		3276	--$_log_backtrace;
		3277	};
		3278	} else {
		3279	LOG llevInfo, "[ABT] $msg\n";
		3280	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3281	}
2627	);	3282	}
		3283
		3284	# load additional modules
		3285	use cf::pod;
2628		3286
2629	END { cf::emergency_save }	3287	END { cf::emergency_save }
2630		3288
2631	1	3289	1
2632		3290

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