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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.219 by root, Sat Feb 17 03:19:44 2007 UTC vs.
Revision 1.366 by root, Tue Sep 11 16:05:35 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;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	87	our $DB_ENV;
61		88
62	our %CFG;	89	our %CFG;
63		90
64	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	92	our $RUNTIME;
66		93
67	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	96	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		97
76	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
		104
79	binmode STDOUT;	105	binmode STDOUT;
80	binmode STDERR;	106	binmode STDERR;
81		107
82	# read virtual server time, if available	108	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
87	}	113	}
88		114
89	mkdir cf::localdir;	115	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	116	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		117
96	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
97		119
98	sub cf::map::normalise;	120	sub cf::map::normalise;
99		121
…		…
110	=item $cf::RUNTIME	132	=item $cf::RUNTIME
111		133
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	134	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	135	every server tick.
114		136
115	=item $cf::LIBDIR	137	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		138	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		139	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		140
117	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		143	unique-items directory, player file directory, random maps directory and
		144	database environment.
119		145
120	=item $cf::NOW	146	=item $cf::NOW
121		147
122	The time of the last (current) server tick.	148	The time of the last (current) server tick.
123		149
124	=item $cf::TICK	150	=item $cf::TICK
125		151
126	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
127		163
128	=item %cf::CFG	164	=item %cf::CFG
129		165
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	167	from wherever your confdir points to.
132		168
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		170
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	171	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	172	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	173	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.	174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
139		180
140	=back	181	=back
141		182
142	=cut	183	=cut
143		184
144	BEGIN {	185	BEGIN {
145	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	187	my $msg = join "", @_;
147	utf8::encode $msg;
148		188
149	$msg .= "\n"	189	$msg .= "\n"
150	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		193
152	LOG llevError, $msg;	194	LOG llevError, $msg;
153	};	195	};
154	}	196	}
155		197
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		205
163	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	207	# within the Safe compartment.
165	for my $pkg (qw(	208	for my $pkg (qw(
166	cf::global cf::attachable	209	cf::global cf::attachable
…		…
174	}	217	}
175		218
176	$Event::DIED = sub {	219	$Event::DIED = sub {
177	warn "error in event callback: @_";	220	warn "error in event callback: @_";
178	};	221	};
		222
		223	#############################################################################
179		224
180	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
181		226
182	=over 4	227	=over 4
183		228
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	248	$d
204	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
205	}	250	}
206		251
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
210		253
211	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
212		255
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
221		257
222	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
223		259
224	=cut	260	=cut
225		261
226	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
228	JSON::Syck::Dump $_[0]	264	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	265	sub from_json ($) { $json_coder->decode ($_[0]) }
230		266
231	=item cf::lock_wait $string	267	=item cf::lock_wait $string
232		268
233	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
234		270
…		…
237	Wait until the given lock is available and then acquires it and returns	273	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,	274	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	275	for example when the coroutine gets canceled), the lock is automatically
240	returned.	276	returned.
241		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
242	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
244		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
245	=cut	288	=cut
246		289
247	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
248		292
249	sub lock_wait($) {	293	sub lock_wait($) {
250	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
251		300
252	# wait for lock, if any	301	# wait for lock, if any
253	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	304	Coro::schedule;
…		…
261		310
262	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
263	lock_wait $key;	312	lock_wait $key;
264		313
265	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
266		316
267	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
270	}	321	}
		322	}
		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
271	}	328	}
272		329
273	sub freeze_mainloop {	330	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
275		332
…		…
278	};	335	};
279	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
280	$guard	337	$guard
281	}	338	}
282		339
		340	=item cf::get_slot $time[, $priority[, $name]]
		341
		342	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		343	This call blocks and returns only when you have at least C<$time> seconds
		344	of cpu time till the next tick. The slot is only valid till the next cede.
		345
		346	The optional C<$name> can be used to identify the job to run. It might be
		347	used for statistical purposes and should identify the same time-class.
		348
		349	Useful for short background jobs.
		350
		351	=cut
		352
		353	our @SLOT_QUEUE;
		354	our $SLOT_QUEUE;
		355
		356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		357	$SLOT_QUEUE = Coro::async {
		358	my $signal = new Coro::Signal;
		359
		360	while () {
		361	next_job:
		362	my $avail = cf::till_tick;
		363	if ($avail > 0.01) {
		364	for (0 .. $#SLOT_QUEUE) {
		365	if ($SLOT_QUEUE[$_][0] < $avail) {
		366	my $job = splice @SLOT_QUEUE, $_, 1, ();
		367	$job->[2]->send;
		368	Coro::cede;
		369	goto next_job;
		370	}
		371	}
		372	}
		373
		374	if (@SLOT_QUEUE) {
		375	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		376	push @cf::WAIT_FOR_TICK, $signal;
		377	$signal->wait;
		378	} else {
		379	Coro::schedule;
		380	}
		381	}
		382	};
		383
		384	sub get_slot($;$$) {
		385	my ($time, $pri, $name) = @_;
		386
		387	$time = $TICK * .6 if $time > $TICK * .6;
		388	my $sig = new Coro::Signal;
		389
		390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		392	$SLOT_QUEUE->ready;
		393	$sig->wait;
		394	}
		395
283	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
284		397
285	Currently the same as Coro::async_pool, meaning you cannot use	398	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	399	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.	400	thing you are allowed to do is call C<prio> on it.
…		…
290		403
291	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
292		405
293	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
294		407
295	The design of crossfire+ requires that the main coro ($Coro::main) is	408	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	409	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.	410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		411	acceptable.
298		412
299	If it must be done, put the blocking parts into C<sync_job>. This will run	413	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	414	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	415	server will be frozen during this time, so the block should either finish
302	fast or be very important.	416	fast or be very important.
…		…
305		419
306	sub sync_job(&) {	420	sub sync_job(&) {
307	my ($job) = @_;	421	my ($job) = @_;
308		422
309	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
310	# this is the main coro, too bad, we have to block	426	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	427	# till the operation succeeds, freezing the server :/
312		428
313	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	430	# (but this is cancel-safe)
…		…
325		441
326	while ($busy) {	442	while ($busy) {
327	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
328	}	444	}
329		445
		446	$time = Event::time - $time;
		447
		448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		450
		451	$tick_start += $time; # do not account sync jobs to server load
		452
330	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
331	} else {	454	} else {
332	# we are in another coroutine, how wonderful, everything just works	455	# we are in another coroutine, how wonderful, everything just works
333		456
334	$job->()	457	$job->()
…		…
353	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
354		477
355	$coro	478	$coro
356	}	479	}
357		480
358	sub write_runtime {	481	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		482
361	my $runtime = cf::localdir . "/runtime";	483	Executes the given code block with the given arguments in a seperate
		484	process, returning the results. Everything must be serialisable with
		485	Coro::Storable. May, of course, block. Note that the executed sub may
		486	never block itself or use any form of Event handling.
362		487
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	488	=cut
364	or return;
365		489
366	my $value = $cf::RUNTIME + 90 + 10;	490	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	491	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		492
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	493	# we seemingly have to make a local copy of the whole thing,
371	and return;	494	# otherwise perl prematurely frees the stuff :/
		495	# TODO: investigate and fix (likely this will be rather laborious)
372		496
373	# always fsync - this file is important	497	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	498	reset_signals;
375	and return;	499	&$cb
		500	}, @args;
376		501
377	close $fh	502	wantarray ? @res : $res[-1]
378	or return;	503	}
379		504
380	aio_rename "$runtime~", $runtime	505	=item $value = cf::db_get $family => $key
381	and return;
382		506
		507	Returns a single value from the environment database.
		508
		509	=item cf::db_put $family => $key => $value
		510
		511	Stores the given C<$value> in the family. It can currently store binary
		512	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		513
		514	=item $db = cf::db_table "name"
		515
		516	Create and/or open a new database table. The string must not be "db" and must be unique
		517	within each server.
		518
		519	=cut
		520
		521	sub db_table($) {
		522	my ($name) = @_;
		523	my $db = BDB::db_create $DB_ENV;
		524
		525	eval {
		526	$db->set_flags (BDB::CHKSUM);
		527
		528	utf8::encode $name;
		529	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		530	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		531	cf::cleanup "db_open(db): $!" if $!;
		532	};
		533	cf::cleanup "db_open(db): $@" if $@;
		534
		535	$db
		536	}
		537
		538	our $DB;
		539
		540	sub db_init {
		541	cf::sync_job {
		542	$DB ||= db_table "db";
		543	};
		544	}
		545
		546	sub db_get($$) {
		547	my $key = "$_[0]/$_[1]";
		548
		549	cf::sync_job {
		550	BDB::db_get $DB, undef, $key, my $data;
		551
		552	$! ? ()
		553	: $data
383	1	554	}
		555	}
		556
		557	sub db_put($$$) {
		558	BDB::dbreq_pri 4;
		559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		560	}
		561
		562	=item cf::cache $id => [$paths...], $processversion => $process
		563
		564	Generic caching function that returns the value of the resource $id,
		565	caching and regenerating as required.
		566
		567	This function can block.
		568
		569	=cut
		570
		571	sub cache {
		572	my ($id, $src, $processversion, $process) = @_;
		573
		574	my $meta =
		575	join "\x00",
		576	$processversion,
		577	map {
		578	aio_stat $_
		579	and Carp::croak "$_: $!";
		580
		581	($_, (stat _)[7,9])
		582	} @$src;
		583
		584	my $dbmeta = db_get cache => "$id/meta";
		585	if ($dbmeta ne $meta) {
		586	# changed, we may need to process
		587
		588	my @data;
		589	my $md5;
		590
		591	for (0 .. $#$src) {
		592	0 <= aio_load $src->[$_], $data[$_]
		593	or Carp::croak "$src->[$_]: $!";
		594	}
		595
		596	# if processing is expensive, check
		597	# checksum first
		598	if (1) {
		599	$md5 =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	cf::cede_to_tick;
		604	($src->[$_], Digest::MD5::md5_hex $data[$_])
		605	} 0.. $#$src;
		606
		607
		608	my $dbmd5 = db_get cache => "$id/md5";
		609	if ($dbmd5 eq $md5) {
		610	db_put cache => "$id/meta", $meta;
		611
		612	return db_get cache => "$id/data";
		613	}
		614	}
		615
		616	my $t1 = Time::HiRes::time;
		617	my $data = $process->(\@data);
		618	my $t2 = Time::HiRes::time;
		619
		620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		621
		622	db_put cache => "$id/data", $data;
		623	db_put cache => "$id/md5" , $md5;
		624	db_put cache => "$id/meta", $meta;
		625
		626	return $data;
		627	}
		628
		629	db_get cache => "$id/data"
		630	}
		631
		632	=item cf::datalog type => key => value, ...
		633
		634	Log a datalog packet of the given type with the given key-value pairs.
		635
		636	=cut
		637
		638	sub datalog($@) {
		639	my ($type, %kv) = @_;
		640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	641	}
385		642
386	=back	643	=back
387		644
388	=cut	645	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	652	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
397		654
398	In the following description, CLASS can be any of C<global>, C<object>	655	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	656	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	657	Crossfire TRT).
401		658
402	=over 4	659	=over 4
403		660
404	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
405		662
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
569		826
570	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		831
575	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	833	my $pkg = shift @arg;
577		834
578	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
608	}	865	}
609		866
610	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
611	} else {	868	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	870	}
614		871
615	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
616	}	873	}
617		874
…		…
619	if (ref $_[0]) {	876	if (ref $_[0]) {
620	_object_attach @_;	877	_object_attach @_;
621	} else {	878	} else {
622	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
623	}	880	}
		881	_recalc_want;
624	};	882	};
625		883
626	# all those should be optimised	884	# all those should be optimised
627	sub cf::attachable::detach {	885	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
632	reattach ($obj);	890	reattach ($obj);
633	} else {	891	} else {
634	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
635	}	893	}
		894	_recalc_want;
636	};	895	};
637		896
638	sub cf::attachable::attached {	897	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
640		899
…		…
655	";	914	";
656	die if $@;	915	die if $@;
657	}	916	}
658		917
659	our $override;	918	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	919	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		920
662	sub override {	921	sub override {
663	$override = 1;	922	$override = 1;
664	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
665	}	924	}
666		925
667	sub do_invoke {	926	sub do_invoke {
668	my $event = shift;	927	my $event = shift;
669	my $callbacks = shift;	928	my $callbacks = shift;
670		929
671	@invoke_results = ();	930	@INVOKE_RESULTS = ();
672		931
673	local $override;	932	local $override;
674		933
675	for (@$callbacks) {	934	for (@$callbacks) {
676	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
693		952
694	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
695		954
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	955	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	956	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		958
700	=back	959	=back
701		960
702	=cut	961	=cut
703		962
704	#############################################################################	963	#############################################################################
705	# object support	964	# object support
		965	#
		966
		967	sub _can_merge {
		968	my ($ob1, $ob2) = @_;
		969
		970	local $Storable::canonical = 1;
		971	my $fob1 = Storable::freeze $ob1;
		972	my $fob2 = Storable::freeze $ob2;
		973
		974	$fob1 eq $fob2
		975	}
706		976
707	sub reattach {	977	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	979	my ($obj) = @_;
710		980
…		…
755	);	1025	);
756		1026
757	sub object_freezer_save {	1027	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
759		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
760	sync_job {	1032	sync_job {
761	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
764		1037
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1041	aio_fsync $fh if $cf::USE_FSYNC;
…		…
787	}	1060	}
788	} else {	1061	} else {
789	aio_unlink $filename;	1062	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
791	}	1064	}
792	}	1065	};
		1066
		1067	undef $guard;
793	}	1068	}
794		1069
795	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
797		1072
…		…
802		1077
803	sub object_thawer_load {	1078	sub object_thawer_load {
804	my ($filename) = @_;	1079	my ($filename) = @_;
805		1080
806	my ($data, $av);	1081	my ($data, $av);
		1082
		1083	my $guard = cf::lock_acquire "io";
807		1084
808	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
809	or return;	1086	or return;
810		1087
811	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
813	or return;	1090	or return;
		1091
		1092	undef $guard;
814	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1094	}
816		1095
		1096	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
819	return ($data, $av);	1100	($data, $av)
820	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
821		1108
822	#############################################################################	1109	#############################################################################
823	# command handling &c	1110	# command handling &c
824		1111
825	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1126	}
840		1127
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1129
843	Register a callbackf ro execution when the client sends an extcmd packet.	1130	Register a callback for execution when the client sends an (synchronous)
		1131	extcmd packet. Ext commands will be processed in the order they are
		1132	received by the server, like other user commands. The first argument is
		1133	the logged-in player. Ext commands can only be processed after a player
		1134	has logged in successfully.
844		1135
845	If the callback returns something, it is sent back as if reply was being	1136	If the callback returns something, it is sent back as if reply was being
846	called.	1137	called.
847		1138
		1139	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1140
		1141	Register a callback for execution when the client sends an (asynchronous)
		1142	exticmd packet. Exti commands are processed by the server as soon as they
		1143	are received, i.e. out of order w.r.t. other commands. The first argument
		1144	is a client socket. Exti commands can be received anytime, even before
		1145	log-in.
		1146
		1147	If the callback returns something, it is sent back as if reply was being
		1148	called.
		1149
848	=cut	1150	=cut
849		1151
850	sub register_extcmd {	1152	sub register_extcmd {
851	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
852		1154
853	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
854	}	1162	}
855		1163
856	cf::player->attach (	1164	cf::player->attach (
857	on_command => sub {	1165	on_command => sub {
858	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1175	cf::override;
868	},	1176	},
869	on_extcmd => sub {	1177	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
871		1179
872	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1181
874	if (ref $msg) {	1182	if (ref $msg) {
		1183	my ($type, $reply, @payload) =
		1184	"ARRAY" eq ref $msg
		1185	? @$msg
		1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1187
		1188	my @reply;
		1189
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
880	} else {	1197	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1199	}
883		1200
884	cf::override;	1201	cf::override;
885	},	1202	},
886	);	1203	);
887		1204
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
923	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1210	next unless -r $path;
925	eval {	1211
926	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
927	1	1269	}
928	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
929	}	1275	};
930	}	1276	}
931		1277
932	#############################################################################	1278	#############################################################################
933		1279
		1280	=back
		1281
934	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
935		1283
936	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
937		1285
938	=cut	1286	=cut
…		…
943		1291
944	=head3 cf::player	1292	=head3 cf::player
945		1293
946	=over 4	1294	=over 4
947		1295
		1296	=item cf::player::num_playing
		1297
		1298	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1299
		1300	=cut
		1301
		1302	sub num_playing {
		1303	scalar grep
		1304	$_->ob->map
		1305	&& !$_->hidden
		1306	&& !$_->ob->flag (cf::FLAG_WIZ),
		1307	cf::player::list
		1308	}
		1309
948	=item cf::player::find $login	1310	=item cf::player::find $login
949		1311
950	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
951		1313
952	=cut	1314	=cut
953		1315
954	sub playerdir($) {	1316	sub playerdir($) {
955	cf::localdir	1317	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1319	}
961		1320
962	sub path($) {	1321	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1323
965	(playerdir $login) . "/$login.pl"	1324	(playerdir $login) . "/playerdata"
966	}	1325	}
967		1326
968	sub find_active($) {	1327	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1328	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1329	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1342	my $login = $_[0];
984		1343
985	my $guard = cf::lock_acquire "user_find:$login";	1344	my $guard = cf::lock_acquire "user_find:$login";
986		1345
987	$cf::PLAYER{$_[0]} || do {	1346	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1347	# rename old playerfiles to new ones
		1348	#TODO: remove when no longer required
		1349	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1350	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1351	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1352	aio_unlink +(playerdir $login) . "/$login.pl";
		1353
		1354	my $f = new_from_file cf::object::thawer path $login
989	or return;	1355	or return;
		1356
		1357	$f->next;
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
991	}	1363	}
992	}	1364	}
993	}	1365	}
994		1366
…		…
1004		1376
1005	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1007		1379
1008	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1009	Coro::cede;	1381	cf::cede_to_tick;
1010	}	1382	}
1011		1383
1012	sub new($) {	1384	sub new($) {
1013	my ($login) = @_;	1385	my ($login) = @_;
1014		1386
…		…
1020	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1021		1393
1022	$self	1394	$self
1023	}	1395	}
1024		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
1025	=item $pl->quit_character	1407	=item $pl->quit_character
1026		1408
1027	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1029		1411
1030	=cut	1412	=cut
1031		1413
1032	sub quit_character {	1414	sub quit_character {
1033	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1034		1418
1035	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1421
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
1048	IO::AIO::aio_rmtree $temp;	1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
1049	}	1453	}
1050		1454
1051	=item cf::player::list_logins	1455	=item cf::player::list_logins
1052		1456
1053	Returns am arrayref of all valid playernames in the system, can take a	1457	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1055		1459
1056	=cut	1460	=cut
1057		1461
1058	sub list_logins {	1462	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1464	or return [];
1061		1465
1062	my @logins;	1466	my @logins;
1063		1467
1064	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1068		1477
1069	utf8::decode $login;	1478	utf8::decode $login;
1070	push @logins, $login;	1479	push @logins, $login;
1071	}	1480	}
1072		1481
…		…
1099	}	1508	}
1100		1509
1101	\@paths	1510	\@paths
1102	}	1511	}
1103		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1105		1565
1106	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1107		1567
1108	=cut	1568	=cut
1109		1569
1110	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1112		1572
1113	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1574	}
1117		1575
1118	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1119		1616
1120	=back	1617	=back
1121
1122		1618
1123	=head3 cf::map	1619	=head3 cf::map
1124		1620
1125	=over 4	1621	=over 4
1126		1622
…		…
1181	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1182		1678
1183	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1184	local $self->{path};	1680	local $self->{path};
1185	local $self->{load_path};	1681	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1682
1189	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1190	}	1684	}
1191		1685
1192	sub normalise {	1686	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1240	return $self;	1734	return $self;
1241	}	1735	}
1242	}	1736	}
1243		1737
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1739	()
1246	}	1740	}
1247		1741
1248	sub init {	1742	sub init {
1249	my ($self) = @_;	1743	my ($self) = @_;
…		…
1264		1758
1265	# the original (read-only) location	1759	# the original (read-only) location
1266	sub load_path {	1760	sub load_path {
1267	my ($self) = @_;	1761	my ($self) = @_;
1268		1762
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1270	}	1764	}
1271		1765
1272	# the temporary/swap location	1766	# the temporary/swap location
1273	sub save_path {	1767	sub save_path {
1274	my ($self) = @_;	1768	my ($self) = @_;
1275		1769
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1278	}	1772	}
1279		1773
1280	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1281	sub uniq_path {	1775	sub uniq_path {
1282	my ($self) = @_;	1776	my ($self) = @_;
1283		1777
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1286	}	1780	}
1287		1781
1288	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1289	# all maps in C++...	1783	# all maps in C++...
1290	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1292		1786
1293	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1295	}	1789	}
1296		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1297	sub unlink_save {	1799	sub unlink_save {
1298	my ($self) = @_;	1800	my ($self) = @_;
1299		1801
1300	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1304		1806
1305	sub load_header_from($) {	1807	sub load_header_from($) {
1306	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1307		1809
1308	utf8::encode $path;	1810	utf8::encode $path;
1309	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1310	# or return;
1311
1312	$self->_load_header ($path)
1313	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1314		1819
1315	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1316		1821
1317	1	1822	1
1318	}	1823	}
…		…
1357	$self->load_header_orig	1862	$self->load_header_orig
1358	or return;	1863	or return;
1359	$self->prepare_orig;	1864	$self->prepare_orig;
1360	}	1865	}
1361		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
1362	1	1873	1
1363	}	1874	}
1364		1875
1365	sub find;	1876	sub find;
1366	sub find {	1877	sub find {
1367	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1368		1879
1369	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1370		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1371	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1372		1884
1373	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1374	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1375	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1376	or return;	1890	or return;
1377		1891
1378	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1379		1893
1380	$map->load_header	1894	$map->load_header
1381	or return;	1895	or return;
1382		1896
1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1385	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1386	$map->reset;	1902	$map->reset;
1387	undef $guard;
1388	return find $path;	1903	return find $path;
1389	}	1904	}
1390		1905
1391	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1392	}	1907	}
…		…
1399	my ($self) = @_;	1914	my ($self) = @_;
1400		1915
1401	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1402		1917
1403	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1404	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1405		1922
		1923	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		1925
1408	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1409		1927
1410	$self->alloc;	1928	$self->alloc;
1411		1929
1412	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1413		1932
1414	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1415	or return;	1936	or return;
1416		1937
1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1418	if delete $self->{load_original};	1939	if delete $self->{load_original};
1419		1940
1420	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1421	utf8::encode $uniq;	1942	utf8::encode $uniq;
1422	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1423	$self->clear_unique_items;	1945	$self->clear_unique_items;
1424	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1425	}	1949	}
1426	}	1950	}
1427		1951
1428	Coro::cede;	1952	$f->resolve_delayed_derefs;
1429		1953
		1954	cf::cede_to_tick;
1430	# now do the right thing for maps	1955	# now do the right thing for maps
1431	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1432
1433	unless ($self->{deny_activate}) {
1434	$self->decay_objects;
1435	$self->fix_auto_apply;
1436	$self->update_buttons;
1437	Coro::cede;
1438	$self->set_darkness_map;
1439	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1440	unless $self->difficulty;	1958	unless $self->difficulty;
1441	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1442	$self->activate;	1968	$self->activate;
		1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1443	}	1975	}
1444		1976
1445	$self->post_load;	1977	$self->post_load;
1446
1447	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1978	}
1449		1979
1450	sub customise_for {	1980	sub customise_for {
1451	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1452		1982
1453	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1454	if $self->per_player;	1984	if $self->per_player;
1455		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1456	$self	1989	$self
1457	}	1990	}
1458		1991
1459	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1460	sub load_diag {	1993	sub load_neighbours {
1461	my ($map) = @_;	1994	my ($map) = @_;
1462		1995
1463	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1464		1997
1465	for (0 .. 3) {	1998	for (0 .. 3) {
1466	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1467	or next;	2000	or next;
1468	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1469	or next;	2002	or next;
1470	$neigh->load;	2003	$neigh->load;
1471		2004
		2005	push @neigh,
1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1474	}	2008	}
1475		2009
1476	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1477	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1478	or next;	2013	or next;
1479	$neigh->load;	2014	$neigh->load;
1480	}	2015	}
1481	}	2016	}
1482		2017
…		…
1487	}	2022	}
1488		2023
1489	sub do_load_sync {	2024	sub do_load_sync {
1490	my ($map) = @_;	2025	my ($map) = @_;
1491		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1492	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1493	}	2031	}
1494		2032
1495	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1496	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1497		2035
1498	sub find_async {	2036	sub find_async {
1499	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1500		2038
1501	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1502		2040
1503	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1505	}	2043	}
1506		2044
1507	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1508	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1509	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1510	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1511	my $map = find $path	2050	if (my $map = find $k) {
1512	or next;
1513	$map->load;	2051	$map->load if $v;
		2052	}
1514		2053
1515	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1516	}	2055	}
1517	}	2056	}
1518	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1519	};	2058	};
1520	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1523	}	2062	}
1524		2063
1525	sub save {	2064	sub save {
1526	my ($self) = @_;	2065	my ($self) = @_;
1527		2066
1528	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1529		2068
1530	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1531		2070
1532	return unless $self->dirty;	2071	return unless $self->dirty;
1533		2072
…		…
1556	my ($self) = @_;	2095	my ($self) = @_;
1557		2096
1558	# save first because save cedes	2097	# save first because save cedes
1559	$self->save;	2098	$self->save;
1560		2099
1561	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1562		2101
1563	return if $self->players;	2102	return if $self->players;
1564	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1565	return if $self->{deny_save};	2104	return if $self->{deny_save};
1566		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1567	$self->clear;	2110	$self->clear;
1568	$self->in_memory (cf::MAP_SWAPPED);
1569	}	2111	}
1570		2112
1571	sub reset_at {	2113	sub reset_at {
1572	my ($self) = @_;	2114	my ($self) = @_;
1573		2115
1574	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1576	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1577		2118
1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1580		2121
…		…
1591	my ($self) = @_;	2132	my ($self) = @_;
1592		2133
1593	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1594		2135
1595	return if $self->players;	2136	return if $self->players;
1596	return if $self->isa ("ext::map_per_player");#d#
1597		2137
1598	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1599		2139
1600	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1601		2141
1602	# need to save uniques path	2142	# need to save uniques path
1603	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1607	if $uniq;	2147	if $uniq;
1608	}	2148	}
1609		2149
1610	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1611		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1612	$self->clear;	2154	$self->clear;
1613
1614	$_->clear_links_to ($self) for values %cf::MAP;
1615		2155
1616	$self->unlink_save;	2156	$self->unlink_save;
1617	$self->destroy;	2157	$self->destroy;
1618	}	2158	}
1619		2159
1620	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1621		2161
1622	sub nuke {	2162	sub nuke {
1623	my ($self) = @_;	2163	my ($self) = @_;
1624		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1625	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1626		2169
1627	$self->unlink_save;	2170	$self->unlink_save;
1628		2171
1629	bless $self, "cf::map";	2172	bless $self, "cf::map";
1630	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1631	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1632	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1634		2177
1635	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1636		2180
1637	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1638	}	2218	}
1639		2219
1640	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1641		2221
1642	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1643	instantiated unique items. May block.	2223	instantiated unique items. May block.
1644		2224
1645	=cut	2225	=cut
1646		2226
1647	sub unique_maps() {	2227	sub unique_maps() {
1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1649	or return;	2229	map {
1650
1651	my @paths;
1652
1653	for (@$files) {
1654	utf8::decode $_;	2230	utf8::decode $_;
1655	next if /\.pst$/;	2231	/\.map$/
1656	next unless /^$PATH_SEP/o;	2232	? normalise $_
1657		2233	: ()
1658	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1659	}	2235	]
1660
1661	\@paths
1662	}	2236	}
1663		2237
1664	package cf;	2238	package cf;
1665		2239
1666	=back	2240	=back
…		…
1684	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1685	}	2259	}
1686		2260
1687	sub inv_recursive {	2261	sub inv_recursive {
1688	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1689	}	2294	}
1690		2295
1691	package cf;	2296	package cf;
1692		2297
1693	=back	2298	=back
…		…
1712		2317
1713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1714		2319
1715	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1717	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1718	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1719	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1720	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1721	}	2345	}
1722		2346
1723	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1724		2348
1725	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1772	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1773		2397
1774	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1775		2399
1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1778		2402
1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1780	}	2404	}
1781		2405
1782	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1783	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1784		2410
1785	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1786		2412
1787	unless ($map) {	2413	unless ($map) {
1788	# restore original map position	2414	# restore original map position
…		…
1802	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1803	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1804	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1805		2431
1806	$map->load;	2432	$map->load;
1807	$map->load_diag;	2433	$map->load_neighbours;
1808		2434
1809	return unless $self->contr->active;	2435	return unless $self->contr->active;
1810	$self->activate_recursive;	2436	$self->activate_recursive;
1811		2437
1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1814	}	2440	}
1815		2441
1816	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2443
1820	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1824	};	2448	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2449
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	$pl->ob->reply (undef,
1836	"There was an internal problem at your last logout, "
1837	. "the server will try to bring you to your intended destination in a second.",
1838	cf::NDI_RED);
1839	# we need this sleep as the login has a concurrent enter_exit running
1840	# and this sleep increases chances of the player not ending up in scorn
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1851		2453
1852	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2459
1855	$self->enter_link;	2460	$self->enter_link;
1856		2461
1857	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# todo: use ob_blocked to check all tiles of the destination "object"
		2469	# for suitability.
		2470
		2471	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2472	}
		2473	}
		2474
1858	my $map = eval {	2475	my $map = eval {
1859	my $map = cf::map::find $path;	2476	my $map = cf::map::find $path;
		2477
		2478	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2479	$map = $map->customise_for ($self);
		2480	$map = $check->($map) if $check && $map;
		2481	} else {
		2482	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2483	}
		2484
1861	$map	2485	$map
		2486	};
		2487
		2488	if ($@) {
		2489	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2491	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2492
		2493	if ($gen == $self->{_goto_generation}) {
		2494	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2495	$self->leave_link ($map, $x, $y);
		2496	}
		2497
		2498	$done->() if $done;
1866	})->prio (1);	2499	})->prio (1);
1867	}	2500	}
1868		2501
1869	=item $player_object->enter_exit ($exit_object)	2502	=item $player_object->enter_exit ($exit_object)
1870		2503
…		…
1909		2542
1910	$rmp->{random_seed} ||= $exit->random_seed;	2543	$rmp->{random_seed} ||= $exit->random_seed;
1911		2544
1912	my $data = cf::to_json $rmp;	2545	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2546	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2547	my $meta = "$RANDOMDIR/$md5.meta";
1915		2548
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2549	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2550	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2551	undef $fh;
1919	aio_rename "$meta~", $meta;	2552	aio_rename "$meta~", $meta;
…		…
1928		2561
1929	return unless $self->type == cf::PLAYER;	2562	return unless $self->type == cf::PLAYER;
1930		2563
1931	if ($exit->slaying eq "/!") {	2564	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2565	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2566	# the problem is that $exit might not survive long enough
		2567	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2568	cf::sync_job { prepare_random_map $exit };
1934	}	2569	}
1935		2570
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2571	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2572	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2573	my $sp = $exit->stats->sp;
1939		2574
1940	$self->enter_link;	2575	$self->enter_link;
		2576
		2577	# if exit is damned, update players death & WoR home-position
		2578	$self->contr->savebed ($slaying, $hp, $sp)
		2579	if $exit->flag (FLAG_DAMNED);
1941		2580
1942	(async {	2581	(async {
1943	$self->deactivate_recursive; # just to be sure	2582	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2583	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2584	$self->goto ($slaying, $hp, $sp);
1946		2585
1947	1;	2586	1;
1948	}) {	2587	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2588	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2589	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2590	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2591	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2592
1954	warn "ERROR in enter_exit: $@";	2593	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2594	$self->leave_link;
1956	}	2595	}
1957	})->prio (1);	2596	})->prio (1);
…		…
1970		2609
1971	sub cf::client::send_drawinfo {	2610	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2611	my ($self, $text, $flags) = @_;
1973		2612
1974	utf8::encode $text;	2613	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2614	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2615	}
1977		2616
		2617	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	Send a drawinfo or msg packet to the client, formatting the msg for the
		2620	client if neccessary. C<$type> should be a string identifying the type of
		2621	the message, with C<log> being the default. If C<$color> is negative, suppress
		2622	the message unless the client supports the msg packet.
		2623
		2624	=cut
		2625
		2626	our %CHANNEL = (
		2627	"c/identify" => {
		2628	id => "identify",
		2629	title => "Identify",
		2630	reply => undef,
		2631	tooltip => "Items recently identified",
		2632	},
		2633	"c/examine" => {
		2634	id => "examine",
		2635	title => "Examine",
		2636	reply => undef,
		2637	tooltip => "Signs and other items you examined",
		2638	},
		2639	);
		2640
		2641	sub cf::client::send_msg {
		2642	my ($self, $channel, $msg, $color, @extra) = @_;
		2643
		2644	$msg = $self->pl->expand_cfpod ($msg);
		2645
		2646	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2647
		2648	# check predefined channels, for the benefit of C
		2649	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2650
		2651	if (ref $channel) {
		2652	# send meta info to client, if not yet sent
		2653	unless (exists $self->{channel}{$channel->{id}}) {
		2654	$self->{channel}{$channel->{id}} = $channel;
		2655	$self->ext_msg (channel_info => $channel)
		2656	if $self->can_msg;
		2657	}
		2658
		2659	$channel = $channel->{id};
		2660	}
		2661
		2662	return unless @extra || length $msg;
		2663
		2664	if ($self->can_msg) {
		2665	# default colour, mask it out
		2666	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2667	if $color & cf::NDI_DEF;
		2668
		2669	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2670	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2671	} else {
		2672	if ($color >= 0) {
		2673	# replace some tags by gcfclient-compatible ones
		2674	for ($msg) {
		2675	1 while
		2676	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2677	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2678	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2679	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2680	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2681	}
		2682
		2683	$color &= cf::NDI_COLOR_MASK;
		2684
		2685	utf8::encode $msg;
		2686
		2687	if (0 && $msg =~ /\[/) {
		2688	# COMMAND/INFO
		2689	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2690	} else {
		2691	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2692	$self->send_packet ("drawinfo $color $msg")
		2693	}
		2694	}
		2695	}
		2696	}
		2697
		2698	=item $client->ext_msg ($type, @msg)
		2699
		2700	Sends an ext event to the client.
		2701
		2702	=cut
		2703
		2704	sub cf::client::ext_msg($$@) {
		2705	my ($self, $type, @msg) = @_;
		2706
		2707	if ($self->extcmd == 2) {
		2708	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2709	} elsif ($self->extcmd == 1) { # TODO: remove
		2710	push @msg, msgtype => "event_$type";
		2711	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2712	}
		2713	}
		2714
		2715	=item $client->ext_reply ($msgid, @msg)
		2716
		2717	Sends an ext reply to the client.
		2718
		2719	=cut
		2720
		2721	sub cf::client::ext_reply($$@) {
		2722	my ($self, $id, @msg) = @_;
		2723
		2724	if ($self->extcmd == 2) {
		2725	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2726	} elsif ($self->extcmd == 1) {
		2727	#TODO: version 1, remove
		2728	unshift @msg, msgtype => "reply", msgid => $id;
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2730	}
		2731	}
1978		2732
1979	=item $success = $client->query ($flags, "text", \&cb)	2733	=item $success = $client->query ($flags, "text", \&cb)
1980		2734
1981	Queues a query to the client, calling the given callback with	2735	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2736	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2737	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2738
1985	Queries can fail, so check the return code. Or don't, as queries will become	2739	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2740	become reliable at some point in the future.
1987		2741
1988	=cut	2742	=cut
1989		2743
1990	sub cf::client::query {	2744	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2745	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2753	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2754	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2755
2002	$self->send_packet ($self->{query_queue}[0][0])	2756	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2757	if @{ $self->{query_queue} } == 1;
		2758
		2759	1
2004	}	2760	}
2005		2761
2006	cf::client->attach (	2762	cf::client->attach (
		2763	on_connect => sub {
		2764	my ($ns) = @_;
		2765
		2766	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2767	},
2007	on_reply => sub {	2768	on_reply => sub {
2008	my ($ns, $msg) = @_;	2769	my ($ns, $msg) = @_;
2009		2770
2010	# this weird shuffling is so that direct followup queries	2771	# this weird shuffling is so that direct followup queries
2011	# get handled first	2772	# get handled first
…		…
2023	} else {	2784	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2785	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2786	}
2026	}	2787	}
2027	},	2788	},
		2789	on_exticmd => sub {
		2790	my ($ns, $buf) = @_;
		2791
		2792	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2793
		2794	if (ref $msg) {
		2795	my ($type, $reply, @payload) =
		2796	"ARRAY" eq ref $msg
		2797	? @$msg
		2798	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2799
		2800	my @reply;
		2801
		2802	if (my $cb = $EXTICMD{$type}) {
		2803	@reply = $cb->($ns, @payload);
		2804	}
		2805
		2806	$ns->ext_reply ($reply, @reply)
		2807	if $reply;
		2808
		2809	} else {
		2810	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2811	}
		2812
		2813	cf::override;
		2814	},
2028	);	2815	);
2029		2816
2030	=item $client->async (\&cb)	2817	=item $client->async (\&cb)
2031		2818
2032	Create a new coroutine, running the specified callback. The coroutine will	2819	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2860	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2861	our $safe_hole = new Safe::Hole;
2075		2862
2076	$SIG{FPE} = 'IGNORE';	2863	$SIG{FPE} = 'IGNORE';
2077		2864
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2865	$safe->permit_only (Opcode::opset qw(
		2866	:base_core :base_mem :base_orig :base_math
		2867	grepstart grepwhile mapstart mapwhile
		2868	sort time
		2869	));
2079		2870
2080	# here we export the classes and methods available to script code	2871	# here we export the classes and methods available to script code
2081		2872
2082	=pod	2873	=pod
2083		2874
2084	The following fucntions and emthods are available within a safe environment:	2875	The following functions and methods are available within a safe environment:
2085		2876
2086	cf::object contr pay_amount pay_player map	2877	cf::object
		2878	contr pay_amount pay_player map x y force_find force_add
		2879	insert remove name archname title slaying race decrease_ob_nr
		2880
2087	cf::object::player player	2881	cf::object::player
2088	cf::player peaceful	2882	player
2089	cf::map trigger	2883
		2884	cf::player
		2885	peaceful
		2886
		2887	cf::map
		2888	trigger
2090		2889
2091	=cut	2890	=cut
2092		2891
2093	for (	2892	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2893	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2894	insert remove inv name archname title slaying race
		2895	decrease_ob_nr)],
2095	["cf::object::player" => qw(player)],	2896	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2897	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2898	["cf::map" => qw(trigger)],
2098	) {	2899	) {
2099	no strict 'refs';	2900	no strict 'refs';
…		…
2170	=back	2971	=back
2171		2972
2172	=cut	2973	=cut
2173		2974
2174	#############################################################################	2975	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family.
2194
2195	=cut
2196
2197	our $DB;
2198
2199	sub db_init {
2200	unless ($DB) {
2201	$DB = BDB::db_create $DB_ENV;
2202
2203	cf::sync_job {
2204	eval {
2205	$DB->set_flags (BDB::CHKSUM);
2206
2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2209	cf::cleanup "db_open(db): $!" if $!;
2210	};
2211	cf::cleanup "db_open(db): $@" if $@;
2212	};
2213
2214	my $path = cf::localdir . "/database.pst";
2215	if (stat $path) {
2216	cf::sync_job {
2217	my $pst = Storable::retrieve $path;
2218
2219	cf::db_put (board => data => $pst->{board});
2220	cf::db_put (guildrules => data => $pst->{guildrules});
2221	cf::db_put (rent => balance => $pst->{rent}{balance});
2222	BDB::db_env_txn_checkpoint $DB_ENV;
2223
2224	unlink $path;
2225	};
2226	}
2227	}
2228	}
2229
2230	sub db_get($$) {
2231	my $key = "$_[0]/$_[1]";
2232
2233	cf::sync_job {
2234	BDB::db_get $DB, undef, $key, my $data;
2235
2236	$! ? ()
2237	: Compress::LZF::sthaw $data
2238	}
2239	}
2240
2241	sub db_put($$$) {
2242	BDB::dbreq_pri 4;
2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2244	}
2245
2246	#############################################################################
2247	# the server's init and main functions	2976	# the server's init and main functions
2248		2977
2249	sub init_resources {	2978	sub load_facedata($) {
2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2979	my ($path) = @_;
		2980
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
		2985	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2986
		2987	warn "loading facedata from $path\n";
		2988
		2989	my $facedata;
		2990	0 < aio_load $path, $facedata
		2991	or die "$path: $!";
		2992
		2993	$facedata = Coro::Storable::thaw $facedata;
		2994
		2995	$facedata->{version} == 2
		2996	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2997
		2998	# patch in the exptable
		2999	$facedata->{resource}{"res/exp_table"} = {
		3000	type => FT_RSRC,
		3001	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3002	};
		3003	cf::cede_to_tick;
		3004
		3005	{
		3006	my $faces = $facedata->{faceinfo};
		3007
		3008	while (my ($face, $info) = each %$faces) {
		3009	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3010	cf::face::set_visibility $idx, $info->{visibility};
		3011	cf::face::set_magicmap $idx, $info->{magicmap};
		3012	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3013	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3014
		3015	cf::cede_to_tick;
		3016	}
		3017
		3018	while (my ($face, $info) = each %$faces) {
		3019	next unless $info->{smooth};
		3020	my $idx = cf::face::find $face
		3021	or next;
		3022	if (my $smooth = cf::face::find $info->{smooth}) {
		3023	cf::face::set_smooth $idx, $smooth;
		3024	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3025	} else {
		3026	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3027	}
		3028
		3029	cf::cede_to_tick;
		3030	}
		3031	}
		3032
		3033	{
		3034	my $anims = $facedata->{animinfo};
		3035
		3036	while (my ($anim, $info) = each %$anims) {
		3037	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3038	cf::cede_to_tick;
		3039	}
		3040
		3041	cf::anim::invalidate_all; # d'oh
		3042	}
		3043
		3044	{
		3045	# TODO: for gcfclient pleasure, we should give resources
		3046	# that gcfclient doesn't grok a >10000 face index.
		3047	my $res = $facedata->{resource};
		3048
		3049	my $soundconf = delete $res->{"res/sound.conf"};
		3050
		3051	while (my ($name, $info) = each %$res) {
		3052	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3053	my $data;
		3054
		3055	if ($info->{type} & 1) {
		3056	# prepend meta info
		3057
		3058	my $meta = $enc->encode ({
		3059	name => $name,
		3060	%{ $info->{meta} || {} },
		3061	});
		3062
		3063	$data = pack "(w/a*)*", $meta, $info->{data};
		3064	} else {
		3065	$data = $info->{data};
		3066	}
		3067
		3068	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3069	cf::face::set_type $idx, $info->{type};
		3070
		3071	cf::cede_to_tick;
		3072	}
		3073
		3074	if ($soundconf) {
		3075	$soundconf = $enc->decode (delete $soundconf->{data});
		3076
		3077	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3078	my $sound = $soundconf->{compat}[$_]
		3079	or next;
		3080
		3081	my $face = cf::face::find "sound/$sound->[1]";
		3082	cf::sound::set $sound->[0] => $face;
		3083	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3084	}
		3085
		3086	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3087	my $face = cf::face::find "sound/$v";
		3088	cf::sound::set $k => $face;
		3089	}
		3090	}
		3091	}
		3092
		3093	1
		3094	}
		3095
		3096	register_exticmd fx_want => sub {
		3097	my ($ns, $want) = @_;
		3098
		3099	while (my ($k, $v) = each %$want) {
		3100	$ns->fx_want ($k, $v);
		3101	}
		3102	};
		3103
		3104	sub reload_regions {
		3105	# HACK to clear player env face cache, we need some signal framework
		3106	# for this (global event?)
		3107	%ext::player_env::MUSIC_FACE_CACHE = ();
		3108
		3109	load_resource_file "$MAPDIR/regions"
2251	or die "unable to load regions file\n";#d#	3110	or die "unable to load regions file\n";
2252	}
2253		3111
2254	sub cfg_load {	3112	for (cf::region::list) {
		3113	$_->{match} = qr/$_->{match}/
		3114	if exists $_->{match};
		3115	}
		3116	}
		3117
		3118	sub reload_facedata {
		3119	load_facedata "$DATADIR/facedata"
		3120	or die "unable to load facedata\n";
		3121	}
		3122
		3123	sub reload_archetypes {
		3124	load_resource_file "$DATADIR/archetypes"
		3125	or die "unable to load archetypes\n";
		3126	#d# NEED to laod twice to resolve forward references
		3127	# this really needs to be done in an extra post-pass
		3128	# (which needs to be synchronous, so solve it differently)
		3129	load_resource_file "$DATADIR/archetypes"
		3130	or die "unable to load archetypes\n";
		3131	}
		3132
		3133	sub reload_treasures {
		3134	load_resource_file "$DATADIR/treasures"
		3135	or die "unable to load treasurelists\n";
		3136	}
		3137
		3138	sub reload_resources {
		3139	warn "reloading resource files...\n";
		3140
		3141	reload_regions;
		3142	reload_facedata;
		3143	#reload_archetypes;#d#
		3144	reload_archetypes;
		3145	reload_treasures;
		3146
		3147	warn "finished reloading resource files\n";
		3148	}
		3149
		3150	sub init {
		3151	reload_resources;
		3152	}
		3153
		3154	sub reload_config {
2255	open my $fh, "<:utf8", cf::confdir . "/config"	3155	open my $fh, "<:utf8", "$CONFDIR/config"
2256	or return;	3156	or return;
2257		3157
2258	local $/;	3158	local $/;
2259	*CFG = YAML::Syck::Load <$fh>;	3159	*CFG = YAML::Syck::Load <$fh>;
2260		3160
…		…
2268	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3168	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2269	and die "WARNING: m(un)lockall failed: $!\n";	3169	and die "WARNING: m(un)lockall failed: $!\n";
2270	};	3170	};
2271	warn $@ if $@;	3171	warn $@ if $@;
2272	}	3172	}
2273	}
2274
2275	sub init {
2276	init_resources;
2277	}	3173	}
2278		3174
2279	sub main {	3175	sub main {
2280	# we must not ever block the main coroutine	3176	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	3177	local $Coro::idle = sub {
…		…
2283	(async {	3179	(async {
2284	Event::one_event;	3180	Event::one_event;
2285	})->prio (Coro::PRIO_MAX);	3181	})->prio (Coro::PRIO_MAX);
2286	};	3182	};
2287		3183
2288	cfg_load;	3184	reload_config;
2289	db_init;	3185	db_init;
2290	load_extensions;	3186	load_extensions;
2291		3187
2292	$TICK_WATCHER->start;	3188	$TICK_WATCHER->start;
2293	Event::loop;	3189	Event::loop;
…		…
2309	},	3205	},
2310	);	3206	);
2311	}	3207	}
2312	}	3208	}
2313		3209
		3210	sub write_runtime {
		3211	my $runtime = "$LOCALDIR/runtime";
		3212
		3213	# first touch the runtime file to show we are still running:
		3214	# the fsync below can take a very very long time.
		3215
		3216	IO::AIO::aio_utime $runtime, undef, undef;
		3217
		3218	my $guard = cf::lock_acquire "write_runtime";
		3219
		3220	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3221	or return;
		3222
		3223	my $value = $cf::RUNTIME + 90 + 10;
		3224	# 10 is the runtime save interval, for a monotonic clock
		3225	# 60 allows for the watchdog to kill the server.
		3226
		3227	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3228	and return;
		3229
		3230	# always fsync - this file is important
		3231	aio_fsync $fh
		3232	and return;
		3233
		3234	# touch it again to show we are up-to-date
		3235	aio_utime $fh, undef, undef;
		3236
		3237	close $fh
		3238	or return;
		3239
		3240	aio_rename "$runtime~", $runtime
		3241	and return;
		3242
		3243	warn "runtime file written.\n";
		3244
		3245	1
		3246	}
		3247
2314	sub emergency_save() {	3248	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3249	my $freeze_guard = cf::freeze_mainloop;
2316		3250
2317	warn "enter emergency perl save\n";	3251	warn "enter emergency perl save\n";
2318		3252
…		…
2349		3283
2350	warn Carp::longmess "post_cleanup backtrace"	3284	warn Carp::longmess "post_cleanup backtrace"
2351	if $make_core;	3285	if $make_core;
2352	}	3286	}
2353		3287
2354	sub reload() {	3288	sub do_reload_perl() {
2355	# can/must only be called in main	3289	# can/must only be called in main
2356	if ($Coro::current != $Coro::main) {	3290	if ($Coro::current != $Coro::main) {
2357	warn "can only reload from main coroutine";	3291	warn "can only reload from main coroutine";
2358	return;	3292	return;
2359	}	3293	}
…		…
2384	Coro::cede;	3318	Coro::cede;
2385	last unless IO::AIO::nreqs || BDB::nreqs;	3319	last unless IO::AIO::nreqs || BDB::nreqs;
2386	warn "iterate...";	3320	warn "iterate...";
2387	}	3321	}
2388		3322
		3323	++$RELOAD;
		3324
2389	warn "cancelling all extension coros";	3325	warn "cancelling all extension coros";
2390	$_->cancel for values %EXT_CORO;	3326	$_->cancel for values %EXT_CORO;
2391	%EXT_CORO = ();	3327	%EXT_CORO = ();
2392		3328
2393	warn "removing commands";	3329	warn "removing commands";
2394	%COMMAND = ();	3330	%COMMAND = ();
2395		3331
2396	warn "removing ext commands";	3332	warn "removing ext/exti commands";
2397	%EXTCMD = ();	3333	%EXTCMD = ();
		3334	%EXTICMD = ();
2398		3335
2399	warn "unloading/nuking all extensions";	3336	warn "unloading/nuking all extensions";
2400	for my $pkg (@EXTS) {	3337	for my $pkg (@EXTS) {
2401	warn "... unloading $pkg";	3338	warn "... unloading $pkg";
2402		3339
…		…
2432	Symbol::delete_package "safe::$_"	3369	Symbol::delete_package "safe::$_"
2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3370	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2434		3371
2435	warn "unloading cf.pm \"a bit\"";	3372	warn "unloading cf.pm \"a bit\"";
2436	delete $INC{"cf.pm"};	3373	delete $INC{"cf.pm"};
		3374	delete $INC{"cf/pod.pm"};
2437		3375
2438	# don't, removes xs symbols, too,	3376	# don't, removes xs symbols, too,
2439	# and global variables created in xs	3377	# and global variables created in xs
2440	#Symbol::delete_package __PACKAGE__;	3378	#Symbol::delete_package __PACKAGE__;
2441		3379
…		…
2444	warn "reloading cf.pm";	3382	warn "reloading cf.pm";
2445	require cf;	3383	require cf;
2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3384	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2447		3385
2448	warn "loading config and database again";	3386	warn "loading config and database again";
2449	cf::cfg_load;	3387	cf::reload_config;
2450		3388
2451	warn "loading extensions";	3389	warn "loading extensions";
2452	cf::load_extensions;	3390	cf::load_extensions;
2453		3391
2454	warn "reattaching attachments to objects/players";	3392	warn "reattaching attachments to objects/players";
2455	_global_reattach;	3393	_global_reattach; # objects, sockets
2456	warn "reattaching attachments to maps";	3394	warn "reattaching attachments to maps";
2457	reattach $_ for values %MAP;	3395	reattach $_ for values %MAP;
2458		3396	warn "reattaching attachments to players";
2459	warn "loading reloadable resources";	3397	reattach $_ for values %PLAYER;
2460	init_resources;
2461		3398
2462	warn "leaving sync_job";	3399	warn "leaving sync_job";
2463		3400
2464	1	3401	1
2465	} or do {	3402	} or do {
…		…
2471	warn "reloaded";	3408	warn "reloaded";
2472	};	3409	};
2473		3410
2474	our $RELOAD_WATCHER; # used only during reload	3411	our $RELOAD_WATCHER; # used only during reload
2475		3412
		3413	sub reload_perl() {
		3414	# doing reload synchronously and two reloads happen back-to-back,
		3415	# coro crashes during coro_state_free->destroy here.
		3416
		3417	$RELOAD_WATCHER ||= Event->timer (
		3418	reentrant => 0,
		3419	after => 0,
		3420	data => WF_AUTOCANCEL,
		3421	cb => sub {
		3422	do_reload_perl;
		3423	undef $RELOAD_WATCHER;
		3424	},
		3425	);
		3426	}
		3427
2476	register_command "reload" => sub {	3428	register_command "reload" => sub {
2477	my ($who, $arg) = @_;	3429	my ($who, $arg) = @_;
2478		3430
2479	if ($who->flag (FLAG_WIZ)) {	3431	if ($who->flag (FLAG_WIZ)) {
2480	$who->message ("reloading server.");	3432	$who->message ("reloading server.");
2481		3433	async { reload_perl };
2482	# doing reload synchronously and two reloads happen back-to-back,
2483	# coro crashes during coro_state_free->destroy here.
2484
2485	$RELOAD_WATCHER ||= Event->timer (
2486	reentrant => 0,
2487	after => 0,
2488	data => WF_AUTOCANCEL,
2489	cb => sub {
2490	reload;
2491	undef $RELOAD_WATCHER;
2492	},
2493	);
2494	}	3434	}
2495	};	3435	};
2496		3436
2497	unshift @INC, $LIBDIR;	3437	unshift @INC, $LIBDIR;
2498		3438
2499	my $bug_warning = 0;	3439	my $bug_warning = 0;
		3440
		3441	our @WAIT_FOR_TICK;
		3442	our @WAIT_FOR_TICK_BEGIN;
		3443
		3444	sub wait_for_tick {
		3445	return unless $TICK_WATCHER->is_active;
		3446	return if $Coro::current == $Coro::main;
		3447
		3448	my $signal = new Coro::Signal;
		3449	push @WAIT_FOR_TICK, $signal;
		3450	$signal->wait;
		3451	}
		3452
		3453	sub wait_for_tick_begin {
		3454	return unless $TICK_WATCHER->is_active;
		3455	return if $Coro::current == $Coro::main;
		3456
		3457	my $signal = new Coro::Signal;
		3458	push @WAIT_FOR_TICK_BEGIN, $signal;
		3459	$signal->wait;
		3460	}
		3461
		3462	our $stat_fh;
		3463	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2500		3464
2501	$TICK_WATCHER = Event->timer (	3465	$TICK_WATCHER = Event->timer (
2502	reentrant => 0,	3466	reentrant => 0,
2503	parked => 1,	3467	parked => 1,
2504	prio => 0,	3468	prio => 0,
…		…
2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3473	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2510	unless ++$bug_warning > 10;	3474	unless ++$bug_warning > 10;
2511	return;	3475	return;
2512	}	3476	}
2513		3477
		3478	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3479
2514	$NOW = Event::time;	3480	$NOW = $tick_start = Event::time;
2515		3481
2516	cf::server_tick; # one server iteration	3482	cf::server_tick; # one server iteration
		3483
2517	$RUNTIME += $TICK;	3484	$RUNTIME += $TICK;
2518	$NEXT_TICK += $TICK;	3485	$NEXT_TICK += $TICK;
2519		3486
2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3487	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521	$NEXT_RUNTIME_WRITE = $NOW + 10;	3488	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2523	write_runtime	3490	write_runtime
2524	or warn "ERROR: unable to write runtime file: $!";	3491	or warn "ERROR: unable to write runtime file: $!";
2525	};	3492	};
2526	}	3493	}
2527		3494
2528	$WAIT_FOR_TICK->broadcast;
2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2530
2531	# my $AFTER = Event::time;	3495	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#	3496	# warn $AFTER - $NOW;#d#
2533		3497
		3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3499	$sig->send;
		3500	}
		3501	while (my $sig = shift @WAIT_FOR_TICK) {
		3502	$sig->send;
		3503	}
		3504
		3505	$NOW = Event::time;
		3506
2534	# if we are delayed by four ticks or more, skip them all	3507	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3508	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2536		3509
2537	$TICK_WATCHER->at ($NEXT_TICK);	3510	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;	3511	$TICK_WATCHER->start;
		3512
		3513	$LOAD = ($NOW - $tick_start) / $TICK;
		3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3515
		3516	_post_tick;
		3517
		3518	# gather some statistics#d#
		3519	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3520	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2539	},	3521	},
2540	);	3522	);
2541		3523
2542	{	3524	{
		3525	BDB::min_parallel 8;
2543	BDB::max_poll_time $TICK * 0.1;	3526	BDB::max_poll_time $TICK * 0.1;
2544	$BDB_POLL_WATCHER = Event->io (	3527	$BDB_POLL_WATCHER = Event->io (
2545	reentrant => 0,	3528	reentrant => 0,
2546	fd => BDB::poll_fileno,	3529	fd => BDB::poll_fileno,
2547	poll => 'r',	3530	poll => 'r',
2548	prio => 0,	3531	prio => 0,
2549	data => WF_AUTOCANCEL,	3532	data => WF_AUTOCANCEL,
2550	cb => \&BDB::poll_cb,	3533	cb => \&BDB::poll_cb,
2551	);	3534	);
2552	BDB::min_parallel 8;
2553		3535
2554	BDB::set_sync_prepare {	3536	BDB::set_sync_prepare {
2555	my $status;	3537	my $status;
2556	my $current = $Coro::current;	3538	my $current = $Coro::current;
2557	(	3539	(
…		…
2571		3553
2572	cf::sync_job {	3554	cf::sync_job {
2573	eval {	3555	eval {
2574	BDB::db_env_open	3556	BDB::db_env_open
2575	$DB_ENV,	3557	$DB_ENV,
2576	$BDB_ENV_DIR,	3558	$BDBDIR,
2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3559	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3560	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579	0666;	3561	0666;
2580		3562
2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3563	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2582		3564
2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3565	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3566	| BDB::LOG_AUTOREMOVE, 1);
2584	$DB_ENV->set_lk_detect;	3567	$DB_ENV->set_lk_detect;
2585	};	3568	};
2586		3569
2587	cf::cleanup "db_env_open(db): $@" if $@;	3570	cf::cleanup "db_env_open(db): $@" if $@;
2588	};	3571	};
2589	}	3572	}
		3573
		3574	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3575	after => 11,
		3576	interval => 60,
		3577	hard => 1,
		3578	prio => 0,
		3579	data => WF_AUTOCANCEL,
		3580	cb => sub {
		3581	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3582	},
		3583	);
		3584	$BDB_TRICKLE_WATCHER = Event->timer (
		3585	after => 5,
		3586	interval => 10,
		3587	hard => 1,
		3588	prio => 0,
		3589	data => WF_AUTOCANCEL,
		3590	cb => sub {
		3591	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3592	},
		3593	);
2590	}	3594	}
2591		3595
2592	{	3596	{
2593	IO::AIO::min_parallel 8;	3597	IO::AIO::min_parallel 8;
2594		3598
…		…
2602	prio => 6,	3606	prio => 6,
2603	cb => \&IO::AIO::poll_cb,	3607	cb => \&IO::AIO::poll_cb,
2604	);	3608	);
2605	}	3609	}
2606		3610
		3611	my $_log_backtrace;
		3612
		3613	sub _log_backtrace {
		3614	my ($msg, @addr) = @_;
		3615
		3616	$msg =~ s/\n//;
		3617
		3618	# limit the # of concurrent backtraces
		3619	if ($_log_backtrace < 2) {
		3620	++$_log_backtrace;
		3621	async {
		3622	my @bt = fork_call {
		3623	@addr = map { sprintf "%x", $_ } @addr;
		3624	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3625	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3626	or die "addr2line: $!";
		3627
		3628	my @funcs;
		3629	my @res = <$fh>;
		3630	chomp for @res;
		3631	while (@res) {
		3632	my ($func, $line) = splice @res, 0, 2, ();
		3633	push @funcs, "[$func] $line";
		3634	}
		3635
		3636	@funcs
		3637	};
		3638
		3639	LOG llevInfo, "[ABT] $msg\n";
		3640	LOG llevInfo, "[ABT] $_\n" for @bt;
		3641	--$_log_backtrace;
		3642	};
		3643	} else {
		3644	LOG llevInfo, "[ABT] $msg\n";
		3645	LOG llevInfo, "[ABT] [suppressed]\n";
		3646	}
		3647	}
		3648
		3649	# load additional modules
		3650	use cf::pod;
		3651
2607	END { cf::emergency_save }	3652	END { cf::emergency_save }
2608		3653
2609	1	3654	1
2610		3655

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