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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC vs.
Revision 1.360 by root, Sun Sep 9 06:25:46 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 3.64 ();
		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;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	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	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$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		44
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
…		…
62	our %CFG;	87	our %CFG;
63		88
64	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	90	our $RUNTIME;
66		91
67	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	94	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		95
76	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
79	binmode STDOUT;	103	binmode STDOUT;
80	binmode STDERR;	104	binmode STDERR;
81		105
82	# read virtual server time, if available	106	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
87	}	111	}
88		112
89	mkdir cf::localdir;	113	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	114	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		115
96	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
97		117
98	sub cf::map::normalise;	118	sub cf::map::normalise;
99		119
…		…
110	=item $cf::RUNTIME	130	=item $cf::RUNTIME
111		131
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	133	every server tick.
114		134
115	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		138
117	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
119		143
120	=item $cf::NOW	144	=item $cf::NOW
121		145
122	The time of the last (current) server tick.	146	The time of the last (current) server tick.
123		147
124	=item $cf::TICK	148	=item $cf::TICK
125		149
126	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
127		161
128	=item %cf::CFG	162	=item %cf::CFG
129		163
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	165	from wherever your confdir points to.
132		166
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		168
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	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	170	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	171	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.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
139		178
140	=back	179	=back
141		180
142	=cut	181	=cut
143		182
144	BEGIN {	183	BEGIN {
145	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	185	my $msg = join "", @_;
147	utf8::encode $msg;
148		186
149	$msg .= "\n"	187	$msg .= "\n"
150	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
151		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
152	LOG llevError, $msg;	193	LOG llevError, $msg;
153	};	194	};
154	}	195	}
155		196
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		204
163	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	206	# within the Safe compartment.
165	for my $pkg (qw(	207	for my $pkg (qw(
166	cf::global cf::attachable	208	cf::global cf::attachable
…		…
174	}	216	}
175		217
176	$Event::DIED = sub {	218	$Event::DIED = sub {
177	warn "error in event callback: @_";	219	warn "error in event callback: @_";
178	};	220	};
		221
		222	#############################################################################
179		223
180	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
181		225
182	=over 4	226	=over 4
183		227
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	247	$d
204	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
205	}	249	}
206		250
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
210		252
211	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
212		254
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
221		256
222	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
223		258
224	=cut	259	=cut
225		260
226	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
228	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
230		265
231	=item cf::lock_wait $string	266	=item cf::lock_wait $string
232		267
233	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
234		269
…		…
237	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
240	returned.	275	returned.
241		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
242	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
244		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
245	=cut	287	=cut
246		288
247	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
248		291
249	sub lock_wait($) {	292	sub lock_wait($) {
250	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
251		299
252	# wait for lock, if any	300	# wait for lock, if any
253	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	303	Coro::schedule;
…		…
261		309
262	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
263	lock_wait $key;	311	lock_wait $key;
264		312
265	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
266		315
267	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
270	}	320	}
		321	}
		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
271	}	327	}
272		328
273	sub freeze_mainloop {	329	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
275		331
…		…
278	};	334	};
279	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
280	$guard	336	$guard
281	}	337	}
282		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
		393	}
		394
283	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
284		396
285	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	398	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287	thing you are allowed to do is call C<prio> on it.	399	thing you are allowed to do is call C<prio> on it.
…		…
290		402
291	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
292		404
293	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
294		406
295	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
298		411
299	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
302	fast or be very important.	415	fast or be very important.
…		…
305		418
306	sub sync_job(&) {	419	sub sync_job(&) {
307	my ($job) = @_;	420	my ($job) = @_;
308		421
309	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
310	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
312		427
313	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
325		440
326	while ($busy) {	441	while ($busy) {
327	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
328	}	443	}
329		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
330	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
331	} else {	453	} else {
332	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
333		455
334	$job->()	456	$job->()
…		…
353	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
354		476
355	$coro	477	$coro
356	}	478	}
357		479
358	sub write_runtime {	480	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		481
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
362	or return;	483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
363		486
364	my $value = $cf::RUNTIME + 90 + 10;	487	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		488
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	489	sub fork_call(&@) {
369	and return;	490	my ($cb, @args) = @_;
370		491
371	# always fsync - this file is important	492	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	493	# otherwise perl prematurely frees the stuff :/
373	and return;	494	# TODO: investigate and fix (likely this will be rather laborious)
374		495
375	close $fh	496	my @res = Coro::Util::fork_eval {
376	or return;	497	reset_signals;
		498	&$cb
		499	}, @args;
377		500
378	aio_rename "$runtime~", $runtime	501	wantarray ? @res : $res[-1]
379	and return;	502	}
380		503
		504	=item $value = cf::db_get $family => $key
		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
381	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
		618	}
		619
		620	=item cf::datalog type => key => value, ...
		621
		622	Log a datalog packet of the given type with the given key-value pairs.
		623
		624	=cut
		625
		626	sub datalog($@) {
		627	my ($type, %kv) = @_;
		628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	629	}
383		630
384	=back	631	=back
385		632
386	=cut	633	=cut
…		…
393	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
395		642
396	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	645	Crossfire TRT).
399		646
400	=over 4	647	=over 4
401		648
402	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
403		650
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
567		814
568	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		819
573	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	821	my $pkg = shift @arg;
575		822
576	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
606	}	853	}
607		854
608	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
609	} else {	856	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	858	}
612		859
613	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
614	}	861	}
615		862
…		…
617	if (ref $_[0]) {	864	if (ref $_[0]) {
618	_object_attach @_;	865	_object_attach @_;
619	} else {	866	} else {
620	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
621	}	868	}
		869	_recalc_want;
622	};	870	};
623		871
624	# all those should be optimised	872	# all those should be optimised
625	sub cf::attachable::detach {	873	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
630	reattach ($obj);	878	reattach ($obj);
631	} else {	879	} else {
632	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
633	}	881	}
		882	_recalc_want;
634	};	883	};
635		884
636	sub cf::attachable::attached {	885	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
638		887
…		…
653	";	902	";
654	die if $@;	903	die if $@;
655	}	904	}
656		905
657	our $override;	906	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		908
660	sub override {	909	sub override {
661	$override = 1;	910	$override = 1;
662	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
663	}	912	}
664		913
665	sub do_invoke {	914	sub do_invoke {
666	my $event = shift;	915	my $event = shift;
667	my $callbacks = shift;	916	my $callbacks = shift;
668		917
669	@invoke_results = ();	918	@INVOKE_RESULTS = ();
670		919
671	local $override;	920	local $override;
672		921
673	for (@$callbacks) {	922	for (@$callbacks) {
674	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
691		940
692	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
693		942
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		946
698	=back	947	=back
699		948
700	=cut	949	=cut
701		950
702	#############################################################################	951	#############################################################################
703	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
704		964
705	sub reattach {	965	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	967	my ($obj) = @_;
708		968
…		…
752	},	1012	},
753	);	1013	);
754		1014
755	sub object_freezer_save {	1015	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
		1017
		1018	my $guard = cf::lock_acquire "io";
757		1019
758	sync_job {	1020	sync_job {
759	if (length $$rdata) {	1021	if (length $$rdata) {
760	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
…		…
785	}	1047	}
786	} else {	1048	} else {
787	aio_unlink $filename;	1049	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
789	}	1051	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1052	};
		1053
		1054	undef $guard;
797	}	1055	}
798		1056
799	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
801		1059
…		…
807	sub object_thawer_load {	1065	sub object_thawer_load {
808	my ($filename) = @_;	1066	my ($filename) = @_;
809		1067
810	my ($data, $av);	1068	my ($data, $av);
811		1069
812	#d#TODO remove .map if file does not exist	1070	my $guard = cf::lock_acquire "io";
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1071
815	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
816	or return;	1073	or return;
817		1074
818	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
820	or return;	1077	or return;
		1078
		1079	undef $guard;
821	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
822	}	1081	}
823		1082
824	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
826	return ($data, $av);	1086	($data, $av)
827	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
828		1094
829	#############################################################################	1095	#############################################################################
830	# command handling &c	1096	# command handling &c
831		1097
832	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1112	}
847		1113
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1115
850	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
851		1121
852	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
853	called.	1123	called.
854		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
855	=cut	1136	=cut
856		1137
857	sub register_extcmd {	1138	sub register_extcmd {
858	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
859		1140
860	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
861	}	1148	}
862		1149
863	cf::player->attach (	1150	cf::player->attach (
864	on_command => sub {	1151	on_command => sub {
865	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
874	cf::override;	1161	cf::override;
875	},	1162	},
876	on_extcmd => sub {	1163	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
878		1165
879	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1167
881	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
887	} else {	1183	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1185	}
890		1186
891	cf::override;	1187	cf::override;
892	},	1188	},
893	);	1189	);
894		1190
895	sub load_extension {
896	my ($path) = @_;
897
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
899	my $base = $1;
900	my $pkg = $1;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}
923	die $@;
924	}
925
926	push @EXTS, $pkg;
927	}
928
929	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
930	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1196	next unless -r $path;
932	eval {	1197
933	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
934	1	1255	}
935	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
936	}	1261	};
937	}	1262	}
938		1263
939	#############################################################################	1264	#############################################################################
940		1265
		1266	=back
		1267
941	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
942		1269
943	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
944		1271
945	=cut	1272	=cut
…		…
957	Returns the given player object, loading it if necessary (might block).	1284	Returns the given player object, loading it if necessary (might block).
958		1285
959	=cut	1286	=cut
960		1287
961	sub playerdir($) {	1288	sub playerdir($) {
962	cf::localdir	1289	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1291	}
968		1292
969	sub path($) {	1293	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1295
972	(playerdir $login) . "/$login.pl"	1296	(playerdir $login) . "/playerdata"
973	}	1297	}
974		1298
975	sub find_active($) {	1299	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1300	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1301	and $cf::PLAYER{$_[0]}->active
…		…
990	my $login = $_[0];	1314	my $login = $_[0];
991		1315
992	my $guard = cf::lock_acquire "user_find:$login";	1316	my $guard = cf::lock_acquire "user_find:$login";
993		1317
994	$cf::PLAYER{$_[0]} || do {	1318	$cf::PLAYER{$_[0]} || do {
995	my $pl = load_pl path $login	1319	# rename old playerfiles to new ones
		1320	#TODO: remove when no longer required
		1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1324	aio_unlink +(playerdir $login) . "/$login.pl";
		1325
		1326	my $f = new_from_file cf::object::thawer path $login
996	or return;	1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
997	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
998	}	1335	}
999	}	1336	}
1000	}	1337	}
1001		1338
…		…
1011		1348
1012	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
1014		1351
1015	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
1016	Coro::cede;	1353	cf::cede_to_tick;
1017	}	1354	}
1018		1355
1019	sub new($) {	1356	sub new($) {
1020	my ($login) = @_;	1357	my ($login) = @_;
1021		1358
…		…
1027	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1028		1365
1029	$self	1366	$self
1030	}	1367	}
1031		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
		1377	}
		1378
1032	=item $pl->quit_character	1379	=item $pl->quit_character
1033		1380
1034	Nukes the player without looking back. If logged in, the connection will	1381	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1382	be destroyed. May block for a long time.
1036		1383
1037	=cut	1384	=cut
1038		1385
1039	sub quit_character {	1386	sub quit_character {
1040	my ($pl) = @_;	1387	my ($pl) = @_;
		1388
		1389	my $name = $pl->ob->name;
1041		1390
1042	$pl->{deny_save} = 1;	1391	$pl->{deny_save} = 1;
1043	$pl->password ("*"); # this should lock out the player until we nuked the dir	1392	$pl->password ("*"); # this should lock out the player until we nuked the dir
1044		1393
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1050	my $path = playerdir $pl;	1399	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1400	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1401	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1402	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1403	$pl->destroy;
		1404
		1405	my $prefix = qr<^~\Q$name\E/>;
		1406
		1407	# nuke player maps
		1408	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1409
1055	IO::AIO::aio_rmtree $temp;	1410	IO::AIO::aio_rmtree $temp;
		1411	}
		1412
		1413	=item $pl->kick
		1414
		1415	Kicks a player out of the game. This destroys the connection.
		1416
		1417	=cut
		1418
		1419	sub kick {
		1420	my ($pl, $kicker) = @_;
		1421
		1422	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1423	$pl->killer ("kicked");
		1424	$pl->ns->destroy;
1056	}	1425	}
1057		1426
1058	=item cf::player::list_logins	1427	=item cf::player::list_logins
1059		1428
1060	Returns am arrayref of all valid playernames in the system, can take a	1429	Returns am arrayref of all valid playernames in the system, can take a
1061	while and may block, so not sync_job-capable, ever.	1430	while and may block, so not sync_job-capable, ever.
1062		1431
1063	=cut	1432	=cut
1064		1433
1065	sub list_logins {	1434	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1435	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1436	or return [];
1068		1437
1069	my @logins;	1438	my @logins;
1070		1439
1071	for my $login (@$dirs) {	1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1075		1449
1076	utf8::decode $login;	1450	utf8::decode $login;
1077	push @logins, $login;	1451	push @logins, $login;
1078	}	1452	}
1079		1453
…		…
1106	}	1480	}
1107		1481
1108	\@paths	1482	\@paths
1109	}	1483	}
1110		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1112		1537
1113	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1114		1539
1115	=cut	1540	=cut
1116		1541
1117	sub ext_reply($$$%) {	1542	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1119		1544
1120	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1546	}
1124		1547
1125	package cf;	1548	=item $player->ext_msg ($type, @msg)
		1549
		1550	Sends an ext event to the client.
		1551
		1552	=cut
		1553
		1554	sub ext_msg($$@) {
		1555	my ($self, $type, @msg) = @_;
		1556
		1557	$self->ns->ext_msg ($type, @msg);
		1558	}
		1559
		1560	=head3 cf::region
		1561
		1562	=over 4
		1563
		1564	=cut
		1565
		1566	package cf::region;
		1567
		1568	=item cf::region::find_by_path $path
		1569
		1570	Tries to decuce the likely region for a map knowing only its path.
		1571
		1572	=cut
		1573
		1574	sub find_by_path($) {
		1575	my ($path) = @_;
		1576
		1577	my ($match, $specificity);
		1578
		1579	for my $region (list) {
		1580	if ($region->{match} && $path =~ $region->{match}) {
		1581	($match, $specificity) = ($region, $region->specificity)
		1582	if $region->specificity > $specificity;
		1583	}
		1584	}
		1585
		1586	$match
		1587	}
1126		1588
1127	=back	1589	=back
1128
1129		1590
1130	=head3 cf::map	1591	=head3 cf::map
1131		1592
1132	=over 4	1593	=over 4
1133		1594
…		…
1188	my ($self, $merge) = @_;	1649	my ($self, $merge) = @_;
1189		1650
1190	# we have to keep some variables in memory intact	1651	# we have to keep some variables in memory intact
1191	local $self->{path};	1652	local $self->{path};
1192	local $self->{load_path};	1653	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1654
1196	$self->SUPER::thawer_merge ($merge);	1655	$self->SUPER::thawer_merge ($merge);
1197	}	1656	}
1198		1657
1199	sub normalise {	1658	sub normalise {
…		…
1246	$self->init; # pass $1 etc.	1705	$self->init; # pass $1 etc.
1247	return $self;	1706	return $self;
1248	}	1707	}
1249	}	1708	}
1250		1709
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
1252	()	1711	()
1253	}	1712	}
1254		1713
1255	sub init {	1714	sub init {
1256	my ($self) = @_;	1715	my ($self) = @_;
…		…
1271		1730
1272	# the original (read-only) location	1731	# the original (read-only) location
1273	sub load_path {	1732	sub load_path {
1274	my ($self) = @_;	1733	my ($self) = @_;
1275		1734
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1735	"$MAPDIR/$self->{path}.map"
1277	}	1736	}
1278		1737
1279	# the temporary/swap location	1738	# the temporary/swap location
1280	sub save_path {	1739	sub save_path {
1281	my ($self) = @_;	1740	my ($self) = @_;
1282		1741
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1743	"$TMPDIR/$path.map"
1285	}	1744	}
1286		1745
1287	# the unique path, undef == no special unique path	1746	# the unique path, undef == no special unique path
1288	sub uniq_path {	1747	sub uniq_path {
1289	my ($self) = @_;	1748	my ($self) = @_;
1290		1749
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1751	"$UNIQUEDIR/$path"
1293	}	1752	}
1294		1753
1295	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1296	# all maps in C++...	1755	# all maps in C++...
1297	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1299		1758
1300	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1302	}	1761	}
1303		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
1304	sub unlink_save {	1771	sub unlink_save {
1305	my ($self) = @_;	1772	my ($self) = @_;
1306		1773
1307	utf8::encode (my $save = $self->save_path);	1774	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1776	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	1777	}
1316		1778
1317	sub load_header_from($) {	1779	sub load_header_from($) {
1318	my ($self, $path) = @_;	1780	my ($self, $path) = @_;
1319		1781
1320	utf8::encode $path;	1782	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	or return;	1784	or return;
		1785
		1786	$self->_load_header ($f)
		1787	or return;
		1788
		1789	local $MAP_LOADING{$self->{path}} = $self;
		1790	$f->resolve_delayed_derefs;
1326		1791
1327	$self->{load_path} = $path;	1792	$self->{load_path} = $path;
1328		1793
1329	1	1794	1
1330	}	1795	}
…		…
1369	$self->load_header_orig	1834	$self->load_header_orig
1370	or return;	1835	or return;
1371	$self->prepare_orig;	1836	$self->prepare_orig;
1372	}	1837	}
1373		1838
		1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
		1841
		1842	$self->default_region (cf::region::find_by_path $self->{path})
		1843	unless $self->default_region;
		1844
1374	1	1845	1
1375	}	1846	}
1376		1847
1377	sub find;	1848	sub find;
1378	sub find {	1849	sub find {
1379	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1380		1851
1381	$path = normalise $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1382		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	1855	cf::lock_wait "map_find:$path";
1384		1856
1385	$cf::MAP{$path} || do {	1857	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1860
1387	my $map = new_from_path cf::map $path	1861	my $map = new_from_path cf::map $path
1388	or return;	1862	or return;
1389		1863
1390	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1391		1865
1392	$map->load_header	1866	$map->load_header
1393	or return;	1867	or return;
1394		1868
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	1870	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1398	$map->reset;	1874	$map->reset;
1399	undef $guard;
1400	return find $path;	1875	return find $path;
1401	}	1876	}
1402		1877
1403	$cf::MAP{$path} = $map	1878	$cf::MAP{$path} = $map
1404	}	1879	}
…		…
1411	my ($self) = @_;	1886	my ($self) = @_;
1412		1887
1413	local $self->{deny_reset} = 1; # loading can take a long time	1888	local $self->{deny_reset} = 1; # loading can take a long time
1414		1889
1415	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1416	my $guard = cf::lock_acquire "map_load:$path";	1893	my $guard = cf::lock_acquire "map_data:$path";
1417		1894
		1895	return unless $self->valid;
1418	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return unless $self->in_memory == cf::MAP_SWAPPED;
1419		1897
1420	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1421		1899
1422	$self->alloc;	1900	$self->alloc;
1423		1901
1424	$self->pre_load;	1902	$self->pre_load;
		1903	cf::cede_to_tick;
1425		1904
1426	$self->_load_objects ($self->{load_path}, 1)	1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
		1907	$self->_load_objects ($f)
1427	or return;	1908	or return;
1428		1909
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1430	if delete $self->{load_original};	1911	if delete $self->{load_original};
1431		1912
1432	if (my $uniq = $self->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	1914	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	1917	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1437	}	1921	}
1438	}	1922	}
1439		1923
1440	Coro::cede;	1924	$f->resolve_delayed_derefs;
1441		1925
		1926	cf::cede_to_tick;
1442	# now do the right thing for maps	1927	# now do the right thing for maps
1443	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	1930	unless $self->difficulty;
1453	Coro::cede;	1931	cf::cede_to_tick;
		1932
		1933	unless ($self->{deny_activate}) {
		1934	$self->decay_objects;
		1935	$self->fix_auto_apply;
		1936	$self->update_buttons;
		1937	cf::cede_to_tick;
		1938	$self->set_darkness_map;
		1939	cf::cede_to_tick;
1454	$self->activate;	1940	$self->activate;
		1941	}
		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
		1945
		1946	$self->in_memory (cf::MAP_IN_MEMORY);
1455	}	1947	}
1456		1948
1457	$self->post_load;	1949	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	1950	}
1461		1951
1462	sub customise_for {	1952	sub customise_for {
1463	my ($self, $ob) = @_;	1953	my ($self, $ob) = @_;
1464		1954
1465	return find "~" . $ob->name . "/" . $self->{path}	1955	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	1956	if $self->per_player;
1467		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
1468	$self	1961	$self
1469	}	1962	}
1470		1963
1471	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1472	sub load_diag {	1965	sub load_neighbours {
1473	my ($map) = @_;	1966	my ($map) = @_;
1474		1967
1475	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1476		1969
1477	for (0 .. 3) {	1970	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1479	or next;	1972	or next;
1480	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1481	or next;	1974	or next;
1482	$neigh->load;	1975	$neigh->load;
1483		1976
		1977	push @neigh,
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}	1980	}
1487		1981
1488	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1489	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1490	or next;	1985	or next;
1491	$neigh->load;	1986	$neigh->load;
1492	}	1987	}
1493	}	1988	}
1494		1989
…		…
1499	}	1994	}
1500		1995
1501	sub do_load_sync {	1996	sub do_load_sync {
1502	my ($map) = @_;	1997	my ($map) = @_;
1503		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1504	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1505	}	2003	}
1506		2004
1507	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2006	our $MAP_PREFETCHER = undef;
1509		2007
1510	sub find_async {	2008	sub find_async {
1511	my ($path, $origin) = @_;	2009	my ($path, $origin, $load) = @_;
1512		2010
1513	$path = normalise $path, $origin && $origin->{path};	2011	$path = normalise $path, $origin && $origin->{path};
1514		2012
1515	if (my $map = $cf::MAP{$path}) {	2013	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1517	}	2015	}
1518		2016
1519	undef $MAP_PREFETCH{$path};	2017	$MAP_PREFETCH{$path} |= $load;
		2018
1520	$MAP_PREFETCHER ||= cf::async {	2019	$MAP_PREFETCHER ||= cf::async {
1521	while (%MAP_PREFETCH) {	2020	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2021	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2022	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2023	$map->load if $v;
		2024	}
1526		2025
1527	delete $MAP_PREFETCH{$path};	2026	delete $MAP_PREFETCH{$k};
1528	}	2027	}
1529	}	2028	}
1530	undef $MAP_PREFETCHER;	2029	undef $MAP_PREFETCHER;
1531	};	2030	};
1532	$MAP_PREFETCHER->prio (6);	2031	$MAP_PREFETCHER->prio (6);
…		…
1535	}	2034	}
1536		2035
1537	sub save {	2036	sub save {
1538	my ($self) = @_;	2037	my ($self) = @_;
1539		2038
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1541		2040
1542	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1543		2042
1544	return unless $self->dirty;	2043	return unless $self->dirty;
1545		2044
…		…
1568	my ($self) = @_;	2067	my ($self) = @_;
1569		2068
1570	# save first because save cedes	2069	# save first because save cedes
1571	$self->save;	2070	$self->save;
1572		2071
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2073
1575	return if $self->players;	2074	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1577	return if $self->{deny_save};	2076	return if $self->{deny_save};
1578		2077
		2078	$self->in_memory (cf::MAP_SWAPPED);
		2079
		2080	$self->deactivate;
		2081	$_->clear_links_to ($self) for values %cf::MAP;
1579	$self->clear;	2082	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2083	}
1582		2084
1583	sub reset_at {	2085	sub reset_at {
1584	my ($self) = @_;	2086	my ($self) = @_;
1585		2087
1586	# TODO: safety, remove and allow resettable per-player maps	2088	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2089	return 1e99 if $self->{deny_reset};
1589		2090
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2091	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2092	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		2093
…		…
1603	my ($self) = @_;	2104	my ($self) = @_;
1604		2105
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2106	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2107
1607	return if $self->players;	2108	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2109
1610	warn "resetting map ", $self->path;#d#	2110	warn "resetting map ", $self->path;
1611		2111
1612	$self->in_memory (cf::MAP_SWAPPED);	2112	$self->in_memory (cf::MAP_SWAPPED);
1613		2113
1614	# need to save uniques path	2114	# need to save uniques path
1615	unless ($self->{deny_save}) {	2115	unless ($self->{deny_save}) {
…		…
1619	if $uniq;	2119	if $uniq;
1620	}	2120	}
1621		2121
1622	delete $cf::MAP{$self->path};	2122	delete $cf::MAP{$self->path};
1623		2123
		2124	$self->deactivate;
		2125	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2126	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2127
1628	$self->unlink_save;	2128	$self->unlink_save;
1629	$self->destroy;	2129	$self->destroy;
1630	}	2130	}
1631		2131
1632	my $nuke_counter = "aaaa";	2132	my $nuke_counter = "aaaa";
1633		2133
1634	sub nuke {	2134	sub nuke {
1635	my ($self) = @_;	2135	my ($self) = @_;
1636		2136
		2137	{
		2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2139
1637	delete $cf::MAP{$self->path};	2140	delete $cf::MAP{$self->path};
1638		2141
1639	$self->unlink_save;	2142	$self->unlink_save;
1640		2143
1641	bless $self, "cf::map";	2144	bless $self, "cf::map";
1642	delete $self->{deny_reset};	2145	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2146	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2147	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2148	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2149
1647	$cf::MAP{$self->path} = $self;	2150	$cf::MAP{$self->path} = $self;
		2151	}
1648		2152
1649	$self->reset; # polite request, might not happen	2153	$self->reset; # polite request, might not happen
		2154	}
		2155
		2156	=item $maps = cf::map::tmp_maps
		2157
		2158	Returns an arrayref with all map paths of currently instantiated and saved
		2159	maps. May block.
		2160
		2161	=cut
		2162
		2163	sub tmp_maps() {
		2164	[
		2165	map {
		2166	utf8::decode $_;
		2167	/\.map$/
		2168	? normalise $_
		2169	: ()
		2170	} @{ aio_readdir $TMPDIR or [] }
		2171	]
		2172	}
		2173
		2174	=item $maps = cf::map::random_maps
		2175
		2176	Returns an arrayref with all map paths of currently instantiated and saved
		2177	random maps. May block.
		2178
		2179	=cut
		2180
		2181	sub random_maps() {
		2182	[
		2183	map {
		2184	utf8::decode $_;
		2185	/\.map$/
		2186	? normalise "?random/$_"
		2187	: ()
		2188	} @{ aio_readdir $RANDOMDIR or [] }
		2189	]
1650	}	2190	}
1651		2191
1652	=item cf::map::unique_maps	2192	=item cf::map::unique_maps
1653		2193
1654	Returns an arrayref of paths of all shared maps that have	2194	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2195	instantiated unique items. May block.
1656		2196
1657	=cut	2197	=cut
1658		2198
1659	sub unique_maps() {	2199	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2200	[
1661	or return;	2201	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2202	utf8::decode $_;
1667	next if /\.pst$/;	2203	/\.map$/
1668	next unless /^$PATH_SEP/o;	2204	? normalise $_
1669		2205	: ()
1670	push @paths, cf::map::normalise $_;	2206	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2207	]
1672
1673	\@paths
1674	}	2208	}
1675		2209
1676	package cf;	2210	package cf;
1677		2211
1678	=back	2212	=back
…		…
1696	map { $_, inv_recursive_ $_->inv } @_	2230	map { $_, inv_recursive_ $_->inv } @_
1697	}	2231	}
1698		2232
1699	sub inv_recursive {	2233	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2234	inv_recursive_ inv $_[0]
		2235	}
		2236
		2237	=item $ref = $ob->ref
		2238
		2239	creates and returns a persistent reference to an objetc that can be stored as a string.
		2240
		2241	=item $ob = cf::object::deref ($refstring)
		2242
		2243	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2244	even if the object actually exists. May block.
		2245
		2246	=cut
		2247
		2248	sub deref {
		2249	my ($ref) = @_;
		2250
		2251	# temporary compatibility#TODO#remove
		2252	$ref =~ s{^<}{player/<};
		2253
		2254	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2255	my ($uuid, $name) = ($1, $2);
		2256	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2257	or return;
		2258	$pl->ob->uuid eq $uuid
		2259	or return;
		2260
		2261	$pl->ob
		2262	} else {
		2263	warn "$ref: cannot resolve object reference\n";
		2264	undef
		2265	}
1701	}	2266	}
1702		2267
1703	package cf;	2268	package cf;
1704		2269
1705	=back	2270	=back
…		…
1724		2289
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2290	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2291
1727	if ($self->{record_replies}) {	2292	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2293	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2294
1729	} else {	2295	} else {
		2296	my $pl = $self->contr;
		2297
		2298	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2299	my $dialog = $pl->{npc_dialog};
		2300	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2301
		2302	} else {
1730	$msg = $npc->name . " says: $msg" if $npc;	2303	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2304	$self->message ($msg, $flags);
		2305	}
1732	}	2306	}
		2307	}
		2308
		2309	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2310
		2311	=cut
		2312
		2313	sub cf::object::send_msg {
		2314	my $pl = shift->contr
		2315	or return;
		2316	$pl->send_msg (@_);
1733	}	2317	}
1734		2318
1735	=item $player_object->may ("access")	2319	=item $player_object->may ("access")
1736		2320
1737	Returns wether the given player is authorized to access resource "access"	2321	Returns wether the given player is authorized to access resource "access"
…		…
1784	$self->deactivate_recursive;	2368	$self->deactivate_recursive;
1785		2369
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2370	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2371
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2372	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2373	if $self->map && $self->map->{path} ne "{link}";
1790		2374
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2375	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1792	}	2376	}
1793		2377
1794	sub cf::object::player::leave_link {	2378	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2379	my ($self, $map, $x, $y) = @_;
		2380
		2381	return unless $self->contr->active;
1796		2382
1797	my $link_pos = delete $self->{_link_pos};	2383	my $link_pos = delete $self->{_link_pos};
1798		2384
1799	unless ($map) {	2385	unless ($map) {
1800	# restore original map position	2386	# restore original map position
…		…
1814	# use -1 or undef as default coordinates, not 0, 0	2400	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2401	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2402	if $x <=0 && $y <= 0;
1817		2403
1818	$map->load;	2404	$map->load;
1819	$map->load_diag;	2405	$map->load_neighbours;
1820		2406
1821	return unless $self->contr->active;	2407	return unless $self->contr->active;
1822	$self->activate_recursive;	2408	$self->activate_recursive;
1823		2409
1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2410	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2411	$self->enter_map ($map, $x, $y);
1826	}	2412	}
1827		2413
1828	cf::player->attach (	2414	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2415
1832	# abort map switching before logout	2416	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2417	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2418	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2419	the new (success) or old (failed) map position. In either case, $done will
1836	};	2420	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2421
1842	# try to abort aborted map switching on player login :)
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	# we need this sleep as the login has a concurrent enter_exit running
1852	# and this sleep increases chances of the player not ending up in scorn
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2422	=cut
		2423
		2424	our $GOTOGEN;
1863		2425
1864	sub cf::object::player::goto {	2426	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2427	my ($self, $path, $x, $y, $check, $done) = @_;
		2428
		2429	# do generation counting so two concurrent goto's will be executed in-order
		2430	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2431
1867	$self->enter_link;	2432	$self->enter_link;
1868		2433
1869	(async {	2434	(async {
1870	my $map = eval {	2435	my $map = eval {
1871	my $map = cf::map::find $path;	2436	my $map = cf::map::find $path;
		2437
		2438	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2439	$map = $map->customise_for ($self);
		2440	$map = $check->($map) if $check && $map;
		2441	} else {
		2442	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2443	}
		2444
1873	$map	2445	$map
		2446	};
		2447
		2448	if ($@) {
		2449	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2450	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2451	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2452
		2453	if ($gen == $self->{_goto_generation}) {
		2454	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2455	$self->leave_link ($map, $x, $y);
		2456	}
		2457
		2458	$done->() if $done;
1878	})->prio (1);	2459	})->prio (1);
1879	}	2460	}
1880		2461
1881	=item $player_object->enter_exit ($exit_object)	2462	=item $player_object->enter_exit ($exit_object)
1882		2463
…		…
1921		2502
1922	$rmp->{random_seed} ||= $exit->random_seed;	2503	$rmp->{random_seed} ||= $exit->random_seed;
1923		2504
1924	my $data = cf::to_json $rmp;	2505	my $data = cf::to_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2506	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2507	my $meta = "$RANDOMDIR/$md5.meta";
1927		2508
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2509	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2510	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2511	undef $fh;
1931	aio_rename "$meta~", $meta;	2512	aio_rename "$meta~", $meta;
…		…
1940		2521
1941	return unless $self->type == cf::PLAYER;	2522	return unless $self->type == cf::PLAYER;
1942		2523
1943	if ($exit->slaying eq "/!") {	2524	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job	2525	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2526	# the problem is that $exit might not survive long enough
		2527	# so it needs to be done right now, right here
1945	cf::sync_job { prepare_random_map $exit };	2528	cf::sync_job { prepare_random_map $exit };
1946	}	2529	}
1947		2530
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2531	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;	2532	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2533	my $sp = $exit->stats->sp;
1951		2534
1952	$self->enter_link;	2535	$self->enter_link;
		2536
		2537	# if exit is damned, update players death & WoR home-position
		2538	$self->contr->savebed ($slaying, $hp, $sp)
		2539	if $exit->flag (FLAG_DAMNED);
1953		2540
1954	(async {	2541	(async {
1955	$self->deactivate_recursive; # just to be sure	2542	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2543	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2544	$self->goto ($slaying, $hp, $sp);
1958		2545
1959	1;	2546	1;
1960	}) {	2547	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2548	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "I'll try to bring you back to the map you were before. "	2549	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2550	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2551	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2552
1966	warn "ERROR in enter_exit: $@";	2553	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2554	$self->leave_link;
1968	}	2555	}
1969	})->prio (1);	2556	})->prio (1);
…		…
1982		2569
1983	sub cf::client::send_drawinfo {	2570	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2571	my ($self, $text, $flags) = @_;
1985		2572
1986	utf8::encode $text;	2573	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2574	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2575	}
1989		2576
		2577	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2578
		2579	Send a drawinfo or msg packet to the client, formatting the msg for the
		2580	client if neccessary. C<$type> should be a string identifying the type of
		2581	the message, with C<log> being the default. If C<$color> is negative, suppress
		2582	the message unless the client supports the msg packet.
		2583
		2584	=cut
		2585
		2586	our %CHANNEL = (
		2587	"c/identify" => {
		2588	id => "identify",
		2589	title => "Identify",
		2590	reply => undef,
		2591	tooltip => "Items recently identified",
		2592	},
		2593	"c/examine" => {
		2594	id => "examine",
		2595	title => "Examine",
		2596	reply => undef,
		2597	tooltip => "Signs and other items you examined",
		2598	},
		2599	);
		2600
		2601	sub cf::client::send_msg {
		2602	my ($self, $channel, $msg, $color, @extra) = @_;
		2603
		2604	$msg = $self->pl->expand_cfpod ($msg);
		2605
		2606	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2607
		2608	# check predefined channels, for the benefit of C
		2609	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2610
		2611	if (ref $channel) {
		2612	# send meta info to client, if not yet sent
		2613	unless (exists $self->{channel}{$channel->{id}}) {
		2614	$self->{channel}{$channel->{id}} = $channel;
		2615	$self->ext_msg (channel_info => $channel)
		2616	if $self->can_msg;
		2617	}
		2618
		2619	$channel = $channel->{id};
		2620	}
		2621
		2622	return unless @extra || length $msg;
		2623
		2624	if ($self->can_msg) {
		2625	# default colour, mask it out
		2626	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2627	if $color & cf::NDI_DEF;
		2628
		2629	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2630	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2631	} else {
		2632	if ($color >= 0) {
		2633	# replace some tags by gcfclient-compatible ones
		2634	for ($msg) {
		2635	1 while
		2636	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2637	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2638	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2639	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2640	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2641	}
		2642
		2643	$color &= cf::NDI_COLOR_MASK;
		2644
		2645	utf8::encode $msg;
		2646
		2647	if (0 && $msg =~ /\[/) {
		2648	# COMMAND/INFO
		2649	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2650	} else {
		2651	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2652	$self->send_packet ("drawinfo $color $msg")
		2653	}
		2654	}
		2655	}
		2656	}
		2657
		2658	=item $client->ext_msg ($type, @msg)
		2659
		2660	Sends an ext event to the client.
		2661
		2662	=cut
		2663
		2664	sub cf::client::ext_msg($$@) {
		2665	my ($self, $type, @msg) = @_;
		2666
		2667	if ($self->extcmd == 2) {
		2668	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2669	} elsif ($self->extcmd == 1) { # TODO: remove
		2670	push @msg, msgtype => "event_$type";
		2671	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2672	}
		2673	}
		2674
		2675	=item $client->ext_reply ($msgid, @msg)
		2676
		2677	Sends an ext reply to the client.
		2678
		2679	=cut
		2680
		2681	sub cf::client::ext_reply($$@) {
		2682	my ($self, $id, @msg) = @_;
		2683
		2684	if ($self->extcmd == 2) {
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2686	} elsif ($self->extcmd == 1) {
		2687	#TODO: version 1, remove
		2688	unshift @msg, msgtype => "reply", msgid => $id;
		2689	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2690	}
		2691	}
1990		2692
1991	=item $success = $client->query ($flags, "text", \&cb)	2693	=item $success = $client->query ($flags, "text", \&cb)
1992		2694
1993	Queues a query to the client, calling the given callback with	2695	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2696	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2697	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2698
1997	Queries can fail, so check the return code. Or don't, as queries will become	2699	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2700	become reliable at some point in the future.
1999		2701
2000	=cut	2702	=cut
2001		2703
2002	sub cf::client::query {	2704	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2705	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2713	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2714	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2715
2014	$self->send_packet ($self->{query_queue}[0][0])	2716	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2717	if @{ $self->{query_queue} } == 1;
		2718
		2719	1
2016	}	2720	}
2017		2721
2018	cf::client->attach (	2722	cf::client->attach (
		2723	on_connect => sub {
		2724	my ($ns) = @_;
		2725
		2726	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2727	},
2019	on_reply => sub {	2728	on_reply => sub {
2020	my ($ns, $msg) = @_;	2729	my ($ns, $msg) = @_;
2021		2730
2022	# this weird shuffling is so that direct followup queries	2731	# this weird shuffling is so that direct followup queries
2023	# get handled first	2732	# get handled first
…		…
2035	} else {	2744	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2745	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2746	}
2038	}	2747	}
2039	},	2748	},
		2749	on_exticmd => sub {
		2750	my ($ns, $buf) = @_;
		2751
		2752	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2753
		2754	if (ref $msg) {
		2755	my ($type, $reply, @payload) =
		2756	"ARRAY" eq ref $msg
		2757	? @$msg
		2758	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2759
		2760	my @reply;
		2761
		2762	if (my $cb = $EXTICMD{$type}) {
		2763	@reply = $cb->($ns, @payload);
		2764	}
		2765
		2766	$ns->ext_reply ($reply, @reply)
		2767	if $reply;
		2768
		2769	} else {
		2770	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2771	}
		2772
		2773	cf::override;
		2774	},
2040	);	2775	);
2041		2776
2042	=item $client->async (\&cb)	2777	=item $client->async (\&cb)
2043		2778
2044	Create a new coroutine, running the specified callback. The coroutine will	2779	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	2820	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	2821	our $safe_hole = new Safe::Hole;
2087		2822
2088	$SIG{FPE} = 'IGNORE';	2823	$SIG{FPE} = 'IGNORE';
2089		2824
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2825	$safe->permit_only (Opcode::opset qw(
		2826	:base_core :base_mem :base_orig :base_math
		2827	grepstart grepwhile mapstart mapwhile
		2828	sort time
		2829	));
2091		2830
2092	# here we export the classes and methods available to script code	2831	# here we export the classes and methods available to script code
2093		2832
2094	=pod	2833	=pod
2095		2834
2096	The following fucntions and emthods are available within a safe environment:	2835	The following functions and methods are available within a safe environment:
2097		2836
2098	cf::object contr pay_amount pay_player map	2837	cf::object
		2838	contr pay_amount pay_player map x y force_find force_add
		2839	insert remove name archname title slaying race decrease_ob_nr
		2840
2099	cf::object::player player	2841	cf::object::player
2100	cf::player peaceful	2842	player
2101	cf::map trigger	2843
		2844	cf::player
		2845	peaceful
		2846
		2847	cf::map
		2848	trigger
2102		2849
2103	=cut	2850	=cut
2104		2851
2105	for (	2852	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	2853	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2854	insert remove inv name archname title slaying race
		2855	decrease_ob_nr)],
2107	["cf::object::player" => qw(player)],	2856	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	2857	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	2858	["cf::map" => qw(trigger)],
2110	) {	2859	) {
2111	no strict 'refs';	2860	no strict 'refs';
…		…
2182	=back	2931	=back
2183		2932
2184	=cut	2933	=cut
2185		2934
2186	#############################################################################	2935	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	2936	# the server's init and main functions
2260		2937
2261	sub load_resources {	2938	sub load_facedata($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2939	my ($path) = @_;
		2940
		2941	# HACK to clear player env face cache, we need some signal framework
		2942	# for this (global event?)
		2943	%ext::player_env::MUSIC_FACE_CACHE = ();
		2944
		2945	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2946
		2947	warn "loading facedata from $path\n";
		2948
		2949	my $facedata;
		2950	0 < aio_load $path, $facedata
		2951	or die "$path: $!";
		2952
		2953	$facedata = Coro::Storable::thaw $facedata;
		2954
		2955	$facedata->{version} == 2
		2956	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2957
		2958	# patch in the exptable
		2959	$facedata->{resource}{"res/exp_table"} = {
		2960	type => FT_RSRC,
		2961	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2962	};
		2963	cf::cede_to_tick;
		2964
		2965	{
		2966	my $faces = $facedata->{faceinfo};
		2967
		2968	while (my ($face, $info) = each %$faces) {
		2969	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2970	cf::face::set_visibility $idx, $info->{visibility};
		2971	cf::face::set_magicmap $idx, $info->{magicmap};
		2972	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2973	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2974
		2975	cf::cede_to_tick;
		2976	}
		2977
		2978	while (my ($face, $info) = each %$faces) {
		2979	next unless $info->{smooth};
		2980	my $idx = cf::face::find $face
		2981	or next;
		2982	if (my $smooth = cf::face::find $info->{smooth}) {
		2983	cf::face::set_smooth $idx, $smooth;
		2984	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2985	} else {
		2986	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2987	}
		2988
		2989	cf::cede_to_tick;
		2990	}
		2991	}
		2992
		2993	{
		2994	my $anims = $facedata->{animinfo};
		2995
		2996	while (my ($anim, $info) = each %$anims) {
		2997	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2998	cf::cede_to_tick;
		2999	}
		3000
		3001	cf::anim::invalidate_all; # d'oh
		3002	}
		3003
		3004	{
		3005	# TODO: for gcfclient pleasure, we should give resources
		3006	# that gcfclient doesn't grok a >10000 face index.
		3007	my $res = $facedata->{resource};
		3008
		3009	my $soundconf = delete $res->{"res/sound.conf"};
		3010
		3011	while (my ($name, $info) = each %$res) {
		3012	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3013	my $data;
		3014
		3015	if ($info->{type} & 1) {
		3016	# prepend meta info
		3017
		3018	my $meta = $enc->encode ({
		3019	name => $name,
		3020	%{ $info->{meta} || {} },
		3021	});
		3022
		3023	$data = pack "(w/a*)*", $meta, $info->{data};
		3024	} else {
		3025	$data = $info->{data};
		3026	}
		3027
		3028	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3029	cf::face::set_type $idx, $info->{type};
		3030
		3031	cf::cede_to_tick;
		3032	}
		3033
		3034	if ($soundconf) {
		3035	$soundconf = $enc->decode (delete $soundconf->{data});
		3036
		3037	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3038	my $sound = $soundconf->{compat}[$_]
		3039	or next;
		3040
		3041	my $face = cf::face::find "sound/$sound->[1]";
		3042	cf::sound::set $sound->[0] => $face;
		3043	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3044	}
		3045
		3046	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3047	my $face = cf::face::find "sound/$v";
		3048	cf::sound::set $k => $face;
		3049	}
		3050	}
		3051	}
		3052
		3053	1
		3054	}
		3055
		3056	register_exticmd fx_want => sub {
		3057	my ($ns, $want) = @_;
		3058
		3059	while (my ($k, $v) = each %$want) {
		3060	$ns->fx_want ($k, $v);
		3061	}
		3062	};
		3063
		3064	sub reload_regions {
		3065	# HACK to clear player env face cache, we need some signal framework
		3066	# for this (global event?)
		3067	%ext::player_env::MUSIC_FACE_CACHE = ();
		3068
		3069	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3070	or die "unable to load regions file\n";
2264	}
2265		3071
2266	sub cfg_load {	3072	for (cf::region::list) {
		3073	$_->{match} = qr/$_->{match}/
		3074	if exists $_->{match};
		3075	}
		3076	}
		3077
		3078	sub reload_facedata {
		3079	load_facedata "$DATADIR/facedata"
		3080	or die "unable to load facedata\n";
		3081	}
		3082
		3083	sub reload_archetypes {
		3084	load_resource_file "$DATADIR/archetypes"
		3085	or die "unable to load archetypes\n";
		3086	#d# NEED to laod twice to resolve forward references
		3087	# this really needs to be done in an extra post-pass
		3088	# (which needs to be synchronous, so solve it differently)
		3089	load_resource_file "$DATADIR/archetypes"
		3090	or die "unable to load archetypes\n";
		3091	}
		3092
		3093	sub reload_treasures {
		3094	load_resource_file "$DATADIR/treasures"
		3095	or die "unable to load treasurelists\n";
		3096	}
		3097
		3098	sub reload_resources {
		3099	warn "reloading resource files...\n";
		3100
		3101	reload_regions;
		3102	reload_facedata;
		3103	#reload_archetypes;#d#
		3104	reload_archetypes;
		3105	reload_treasures;
		3106
		3107	warn "finished reloading resource files\n";
		3108	}
		3109
		3110	sub init {
		3111	reload_resources;
		3112	}
		3113
		3114	sub reload_config {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3115	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3116	or return;
2269		3117
2270	local $/;	3118	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3119	*CFG = YAML::Syck::Load <$fh>;
2272		3120
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3128	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	3129	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	3130	};
2283	warn $@ if $@;	3131	warn $@ if $@;
2284	}	3132	}
2285	}
2286
2287	sub init {
2288	load_resources;
2289	}	3133	}
2290		3134
2291	sub main {	3135	sub main {
2292	# we must not ever block the main coroutine	3136	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3137	local $Coro::idle = sub {
…		…
2295	(async {	3139	(async {
2296	Event::one_event;	3140	Event::one_event;
2297	})->prio (Coro::PRIO_MAX);	3141	})->prio (Coro::PRIO_MAX);
2298	};	3142	};
2299		3143
2300	cfg_load;	3144	reload_config;
2301	db_init;	3145	db_init;
2302	load_extensions;	3146	load_extensions;
2303		3147
2304	$TICK_WATCHER->start;	3148	$TICK_WATCHER->start;
2305	Event::loop;	3149	Event::loop;
…		…
2321	},	3165	},
2322	);	3166	);
2323	}	3167	}
2324	}	3168	}
2325		3169
		3170	sub write_runtime {
		3171	my $runtime = "$LOCALDIR/runtime";
		3172
		3173	# first touch the runtime file to show we are still running:
		3174	# the fsync below can take a very very long time.
		3175
		3176	IO::AIO::aio_utime $runtime, undef, undef;
		3177
		3178	my $guard = cf::lock_acquire "write_runtime";
		3179
		3180	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3181	or return;
		3182
		3183	my $value = $cf::RUNTIME + 90 + 10;
		3184	# 10 is the runtime save interval, for a monotonic clock
		3185	# 60 allows for the watchdog to kill the server.
		3186
		3187	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3188	and return;
		3189
		3190	# always fsync - this file is important
		3191	aio_fsync $fh
		3192	and return;
		3193
		3194	# touch it again to show we are up-to-date
		3195	aio_utime $fh, undef, undef;
		3196
		3197	close $fh
		3198	or return;
		3199
		3200	aio_rename "$runtime~", $runtime
		3201	and return;
		3202
		3203	warn "runtime file written.\n";
		3204
		3205	1
		3206	}
		3207
2326	sub emergency_save() {	3208	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3209	my $freeze_guard = cf::freeze_mainloop;
2328		3210
2329	warn "enter emergency perl save\n";	3211	warn "enter emergency perl save\n";
2330		3212
…		…
2361		3243
2362	warn Carp::longmess "post_cleanup backtrace"	3244	warn Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3245	if $make_core;
2364	}	3246	}
2365		3247
2366	sub reload() {	3248	sub do_reload_perl() {
2367	# can/must only be called in main	3249	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3250	if ($Coro::current != $Coro::main) {
2369	warn "can only reload from main coroutine";	3251	warn "can only reload from main coroutine";
2370	return;	3252	return;
2371	}	3253	}
…		…
2396	Coro::cede;	3278	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;	3279	last unless IO::AIO::nreqs || BDB::nreqs;
2398	warn "iterate...";	3280	warn "iterate...";
2399	}	3281	}
2400		3282
		3283	++$RELOAD;
		3284
2401	warn "cancelling all extension coros";	3285	warn "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;	3286	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();	3287	%EXT_CORO = ();
2404		3288
2405	warn "removing commands";	3289	warn "removing commands";
2406	%COMMAND = ();	3290	%COMMAND = ();
2407		3291
2408	warn "removing ext commands";	3292	warn "removing ext/exti commands";
2409	%EXTCMD = ();	3293	%EXTCMD = ();
		3294	%EXTICMD = ();
2410		3295
2411	warn "unloading/nuking all extensions";	3296	warn "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {	3297	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";	3298	warn "... unloading $pkg";
2414		3299
…		…
2444	Symbol::delete_package "safe::$_"	3329	Symbol::delete_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3330	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3331
2447	warn "unloading cf.pm \"a bit\"";	3332	warn "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3333	delete $INC{"cf.pm"};
		3334	delete $INC{"cf/pod.pm"};
2449		3335
2450	# don't, removes xs symbols, too,	3336	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3337	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3338	#Symbol::delete_package __PACKAGE__;
2453		3339
…		…
2456	warn "reloading cf.pm";	3342	warn "reloading cf.pm";
2457	require cf;	3343	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3344	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2459		3345
2460	warn "loading config and database again";	3346	warn "loading config and database again";
2461	cf::cfg_load;	3347	cf::reload_config;
2462		3348
2463	warn "loading extensions";	3349	warn "loading extensions";
2464	cf::load_extensions;	3350	cf::load_extensions;
2465		3351
2466	warn "reattaching attachments to objects/players";	3352	warn "reattaching attachments to objects/players";
2467	_global_reattach;	3353	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3354	warn "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3355	reattach $_ for values %MAP;
2470		3356	warn "reattaching attachments to players";
2471	warn "loading reloadable resources";	3357	reattach $_ for values %PLAYER;
2472	load_resources;
2473		3358
2474	warn "leaving sync_job";	3359	warn "leaving sync_job";
2475		3360
2476	1	3361	1
2477	} or do {	3362	} or do {
…		…
2483	warn "reloaded";	3368	warn "reloaded";
2484	};	3369	};
2485		3370
2486	our $RELOAD_WATCHER; # used only during reload	3371	our $RELOAD_WATCHER; # used only during reload
2487		3372
		3373	sub reload_perl() {
		3374	# doing reload synchronously and two reloads happen back-to-back,
		3375	# coro crashes during coro_state_free->destroy here.
		3376
		3377	$RELOAD_WATCHER ||= Event->timer (
		3378	reentrant => 0,
		3379	after => 0,
		3380	data => WF_AUTOCANCEL,
		3381	cb => sub {
		3382	do_reload_perl;
		3383	undef $RELOAD_WATCHER;
		3384	},
		3385	);
		3386	}
		3387
2488	register_command "reload" => sub {	3388	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	3389	my ($who, $arg) = @_;
2490		3390
2491	if ($who->flag (FLAG_WIZ)) {	3391	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	3392	$who->message ("reloading server.");
2493		3393	async { reload_perl };
2494	# doing reload synchronously and two reloads happen back-to-back,
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);
2506	}	3394	}
2507	};	3395	};
2508		3396
2509	unshift @INC, $LIBDIR;	3397	unshift @INC, $LIBDIR;
2510		3398
2511	my $bug_warning = 0;	3399	my $bug_warning = 0;
2512		3400
		3401	our @WAIT_FOR_TICK;
		3402	our @WAIT_FOR_TICK_BEGIN;
		3403
		3404	sub wait_for_tick {
		3405	return unless $TICK_WATCHER->is_active;
		3406	return if $Coro::current == $Coro::main;
		3407
		3408	my $signal = new Coro::Signal;
		3409	push @WAIT_FOR_TICK, $signal;
		3410	$signal->wait;
		3411	}
		3412
		3413	sub wait_for_tick_begin {
		3414	return unless $TICK_WATCHER->is_active;
		3415	return if $Coro::current == $Coro::main;
		3416
		3417	my $signal = new Coro::Signal;
		3418	push @WAIT_FOR_TICK_BEGIN, $signal;
		3419	$signal->wait;
		3420	}
		3421
		3422	my $min = 1e6;#d#
		3423	my $avg = 10;
2513	$TICK_WATCHER = Event->timer (	3424	$TICK_WATCHER = Event->timer (
2514	reentrant => 0,	3425	reentrant => 0,
2515	parked => 1,	3426	parked => 1,
2516	prio => 0,	3427	prio => 0,
2517	at => $NEXT_TICK || $TICK,	3428	at => $NEXT_TICK || $TICK,
…		…
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3432	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	3433	unless ++$bug_warning > 10;
2523	return;	3434	return;
2524	}	3435	}
2525		3436
2526	$NOW = Event::time;	3437	$NOW = $tick_start = Event::time;
2527		3438
2528	cf::server_tick; # one server iteration	3439	cf::server_tick; # one server iteration
		3440
		3441	0 && sync_job {#d#
		3442	for(1..10) {
		3443	my $t = Event::time;
		3444	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3445	or die;
		3446
		3447	$map->width (50);
		3448	$map->height (50);
		3449	$map->alloc;
		3450	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3451	my $t = Event::time - $t;
		3452
		3453	#next unless $t < 0.0013;#d#
		3454	if ($t < $min) {
		3455	$min = $t;
		3456	}
		3457	$avg = $avg * 0.99 + $t * 0.01;
		3458	}
		3459	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3460	exit 0;
		3461	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3462	};
		3463
2529	$RUNTIME += $TICK;	3464	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;	3465	$NEXT_TICK += $TICK;
2531		3466
2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3467	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$NEXT_RUNTIME_WRITE = $NOW + 10;	3468	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2535	write_runtime	3470	write_runtime
2536	or warn "ERROR: unable to write runtime file: $!";	3471	or warn "ERROR: unable to write runtime file: $!";
2537	};	3472	};
2538	}	3473	}
2539		3474
2540
2541	$WAIT_FOR_TICK->broadcast;
2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543
2544	# my $AFTER = Event::time;	3475	# my $AFTER = Event::time;
2545	# warn $AFTER - $NOW;#d#	3476	# warn $AFTER - $NOW;#d#
2546		3477
		3478	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3479	$sig->send;
		3480	}
		3481	while (my $sig = shift @WAIT_FOR_TICK) {
		3482	$sig->send;
		3483	}
		3484
		3485	$NOW = Event::time;
		3486
2547	# if we are delayed by four ticks or more, skip them all	3487	# if we are delayed by four ticks or more, skip them all
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3488	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2549		3489
2550	$TICK_WATCHER->at ($NEXT_TICK);	3490	$TICK_WATCHER->at ($NEXT_TICK);
2551	$TICK_WATCHER->start;	3491	$TICK_WATCHER->start;
		3492
		3493	$LOAD = ($NOW - $tick_start) / $TICK;
		3494	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3495
		3496	_post_tick;
		3497
		3498
2552	},	3499	},
2553	);	3500	);
2554		3501
2555	{	3502	{
2556	BDB::max_poll_time $TICK * 0.1;	3503	BDB::max_poll_time $TICK * 0.1;
…		…
2584		3531
2585	cf::sync_job {	3532	cf::sync_job {
2586	eval {	3533	eval {
2587	BDB::db_env_open	3534	BDB::db_env_open
2588	$DB_ENV,	3535	$DB_ENV,
2589	$BDB_ENV_DIR,	3536	$BDBDIR,
2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3537	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3538	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592	0666;	3539	0666;
2593		3540
2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3541	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595		3542
2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3543	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597	$DB_ENV->set_lk_detect;	3544	$DB_ENV->set_lk_detect;
2598	};	3545	};
2599		3546
…		…
2615	prio => 6,	3562	prio => 6,
2616	cb => \&IO::AIO::poll_cb,	3563	cb => \&IO::AIO::poll_cb,
2617	);	3564	);
2618	}	3565	}
2619		3566
		3567	my $_log_backtrace;
		3568
		3569	sub _log_backtrace {
		3570	my ($msg, @addr) = @_;
		3571
		3572	$msg =~ s/\n//;
		3573
		3574	# limit the # of concurrent backtraces
		3575	if ($_log_backtrace < 2) {
		3576	++$_log_backtrace;
		3577	async {
		3578	my @bt = fork_call {
		3579	@addr = map { sprintf "%x", $_ } @addr;
		3580	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3581	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3582	or die "addr2line: $!";
		3583
		3584	my @funcs;
		3585	my @res = <$fh>;
		3586	chomp for @res;
		3587	while (@res) {
		3588	my ($func, $line) = splice @res, 0, 2, ();
		3589	push @funcs, "[$func] $line";
		3590	}
		3591
		3592	@funcs
		3593	};
		3594
		3595	LOG llevInfo, "[ABT] $msg\n";
		3596	LOG llevInfo, "[ABT] $_\n" for @bt;
		3597	--$_log_backtrace;
		3598	};
		3599	} else {
		3600	LOG llevInfo, "[ABT] $msg\n";
		3601	LOG llevInfo, "[ABT] [suppressed]\n";
		3602	}
		3603	}
		3604
		3605	# load additional modules
		3606	use cf::pod;
		3607
2620	END { cf::emergency_save }	3608	END { cf::emergency_save }
2621		3609
2622	1	3610	1
2623		3611

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