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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.216 by root, Thu Feb 15 14:30:21 2007 UTC vs.
Revision 1.364 by root, Tue Sep 11 08:41:11 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 $runtime = cf::localdir . "/runtime";
360		482
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	483	Executes the given code block with the given arguments in a seperate
362	or return;	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.
363		487
364	my $value = $cf::RUNTIME + 90 + 10;	488	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		489
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	490	sub fork_call(&@) {
369	and return;	491	my ($cb, @args) = @_;
370		492
371	# always fsync - this file is important	493	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	494	# otherwise perl prematurely frees the stuff :/
373	and return;	495	# TODO: investigate and fix (likely this will be rather laborious)
374		496
375	close $fh	497	my @res = Coro::Util::fork_eval {
376	or return;	498	reset_signals;
		499	&$cb
		500	}, @args;
377		501
378	aio_rename "$runtime~", $runtime	502	wantarray ? @res : $res[-1]
379	and return;	503	}
380		504
		505	=item $value = cf::db_get $family => $key
		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
381	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 });
382	}	641	}
383		642
384	=back	643	=back
385		644
386	=cut	645	=cut
…		…
393	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")
394	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
395		654
396	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>
397	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
398	crossfire+).	657	Crossfire TRT).
399		658
400	=over 4	659	=over 4
401		660
402	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
403		662
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
567		826
568	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		831
573	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	833	my $pkg = shift @arg;
575		834
576	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
606	}	865	}
607		866
608	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
609	} else {	868	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	870	}
612		871
613	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
614	}	873	}
615		874
…		…
617	if (ref $_[0]) {	876	if (ref $_[0]) {
618	_object_attach @_;	877	_object_attach @_;
619	} else {	878	} else {
620	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
621	}	880	}
		881	_recalc_want;
622	};	882	};
623		883
624	# all those should be optimised	884	# all those should be optimised
625	sub cf::attachable::detach {	885	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
630	reattach ($obj);	890	reattach ($obj);
631	} else {	891	} else {
632	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
633	}	893	}
		894	_recalc_want;
634	};	895	};
635		896
636	sub cf::attachable::attached {	897	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
638		899
…		…
653	";	914	";
654	die if $@;	915	die if $@;
655	}	916	}
656		917
657	our $override;	918	our $override;
658	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?
659		920
660	sub override {	921	sub override {
661	$override = 1;	922	$override = 1;
662	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
663	}	924	}
664		925
665	sub do_invoke {	926	sub do_invoke {
666	my $event = shift;	927	my $event = shift;
667	my $callbacks = shift;	928	my $callbacks = shift;
668		929
669	@invoke_results = ();	930	@INVOKE_RESULTS = ();
670		931
671	local $override;	932	local $override;
672		933
673	for (@$callbacks) {	934	for (@$callbacks) {
674	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
691		952
692	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
693		954
694	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
695	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
696	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		958
698	=back	959	=back
699		960
700	=cut	961	=cut
701		962
702	#############################################################################	963	#############################################################################
703	# 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	}
704		976
705	sub reattach {	977	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	979	my ($obj) = @_;
708		980
…		…
753	);	1025	);
754		1026
755	sub object_freezer_save {	1027	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
757		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
758	sync_job {	1032	sync_job {
759	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
762		1037
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1041	aio_fsync $fh if $cf::USE_FSYNC;
…		…
785	}	1060	}
786	} else {	1061	} else {
787	aio_unlink $filename;	1062	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
789	}	1064	}
790	}	1065	};
		1066
		1067	undef $guard;
791	}	1068	}
792		1069
793	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
794	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
795		1072
…		…
800		1077
801	sub object_thawer_load {	1078	sub object_thawer_load {
802	my ($filename) = @_;	1079	my ($filename) = @_;
803		1080
804	my ($data, $av);	1081	my ($data, $av);
		1082
		1083	my $guard = cf::lock_acquire "io";
805		1084
806	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
807	or return;	1086	or return;
808		1087
809	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
811	or return;	1090	or return;
		1091
		1092	undef $guard;
812	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
813	}	1094	}
814		1095
		1096	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
817	return ($data, $av);	1100	($data, $av)
818	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
819		1108
820	#############################################################################	1109	#############################################################################
821	# command handling &c	1110	# command handling &c
822		1111
823	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1126	}
838		1127
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1129
841	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.
842		1135
843	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
844	called.	1137	called.
845		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
846	=cut	1150	=cut
847		1151
848	sub register_extcmd {	1152	sub register_extcmd {
849	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
850		1154
851	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
852	}	1162	}
853		1163
854	cf::player->attach (	1164	cf::player->attach (
855	on_command => sub {	1165	on_command => sub {
856	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1175	cf::override;
866	},	1176	},
867	on_extcmd => sub {	1177	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
869		1179
870	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1181
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
878	} else {	1197	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1199	}
881		1200
882	cf::override;	1201	cf::override;
883	},	1202	},
884	);	1203	);
885		1204
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
921	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1210	next unless -r $path;
923	eval {	1211
924	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;
925	1	1269	}
926	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
927	}	1275	};
928	}	1276	}
929		1277
930	#############################################################################	1278	#############################################################################
931		1279
		1280	=back
		1281
932	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
933		1283
934	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
935		1285
936	=cut	1286	=cut
…		…
941		1291
942	=head3 cf::player	1292	=head3 cf::player
943		1293
944	=over 4	1294	=over 4
945		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
946	=item cf::player::find $login	1310	=item cf::player::find $login
947		1311
948	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
949		1313
950	=cut	1314	=cut
951		1315
952	sub playerdir($) {	1316	sub playerdir($) {
953	cf::localdir	1317	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1319	}
959		1320
960	sub path($) {	1321	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1323
963	(playerdir $login) . "/$login.pl"	1324	(playerdir $login) . "/playerdata"
964	}	1325	}
965		1326
966	sub find_active($) {	1327	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1328	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1329	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1342	my $login = $_[0];
982		1343
983	my $guard = cf::lock_acquire "user_find:$login";	1344	my $guard = cf::lock_acquire "user_find:$login";
984		1345
985	$cf::PLAYER{$_[0]} || do {	1346	$cf::PLAYER{$_[0]} || do {
986	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
987	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;
988	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
989	}	1363	}
990	}	1364	}
991	}	1365	}
992		1366
…		…
1002		1376
1003	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1005		1379
1006	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1007	Coro::cede;	1381	cf::cede_to_tick;
1008	}	1382	}
1009		1383
1010	sub new($) {	1384	sub new($) {
1011	my ($login) = @_;	1385	my ($login) = @_;
1012		1386
…		…
1018	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1019		1393
1020	$self	1394	$self
1021	}	1395	}
1022		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
1023	=item $pl->quit_character	1407	=item $pl->quit_character
1024		1408
1025	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
1026	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1027		1411
1028	=cut	1412	=cut
1029		1413
1030	sub quit_character {	1414	sub quit_character {
1031	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1032		1418
1033	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1034	$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
1035		1421
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1045	$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
1046	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;
1047	}	1453	}
1048		1454
1049	=item cf::player::list_logins	1455	=item cf::player::list_logins
1050		1456
1051	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
1052	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1053		1459
1054	=cut	1460	=cut
1055		1461
1056	sub list_logins {	1462	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1464	or return [];
1059		1465
1060	my @logins;	1466	my @logins;
1061		1467
1062	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") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1066		1477
1067	utf8::decode $login;	1478	utf8::decode $login;
1068	push @logins, $login;	1479	push @logins, $login;
1069	}	1480	}
1070		1481
…		…
1097	}	1508	}
1098		1509
1099	\@paths	1510	\@paths
1100	}	1511	}
1101		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
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1103		1565
1104	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1105		1567
1106	=cut	1568	=cut
1107		1569
1108	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1110		1572
1111	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1574	}
1115		1575
1116	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		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	$match
		1615	}
1117		1616
1118	=back	1617	=back
1119
1120		1618
1121	=head3 cf::map	1619	=head3 cf::map
1122		1620
1123	=over 4	1621	=over 4
1124		1622
…		…
1179	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1180		1678
1181	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1182	local $self->{path};	1680	local $self->{path};
1183	local $self->{load_path};	1681	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1682
1187	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1188	}	1684	}
1189		1685
1190	sub normalise {	1686	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1238	return $self;	1734	return $self;
1239	}	1735	}
1240	}	1736	}
1241		1737
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1739	()
1244	}	1740	}
1245		1741
1246	sub init {	1742	sub init {
1247	my ($self) = @_;	1743	my ($self) = @_;
…		…
1262		1758
1263	# the original (read-only) location	1759	# the original (read-only) location
1264	sub load_path {	1760	sub load_path {
1265	my ($self) = @_;	1761	my ($self) = @_;
1266		1762
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1268	}	1764	}
1269		1765
1270	# the temporary/swap location	1766	# the temporary/swap location
1271	sub save_path {	1767	sub save_path {
1272	my ($self) = @_;	1768	my ($self) = @_;
1273		1769
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1276	}	1772	}
1277		1773
1278	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1279	sub uniq_path {	1775	sub uniq_path {
1280	my ($self) = @_;	1776	my ($self) = @_;
1281		1777
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1284	}	1780	}
1285		1781
1286	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1287	# all maps in C++...	1783	# all maps in C++...
1288	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1290		1786
1291	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1293	}	1789	}
1294		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1295	sub unlink_save {	1799	sub unlink_save {
1296	my ($self) = @_;	1800	my ($self) = @_;
1297		1801
1298	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1302		1806
1303	sub load_header_from($) {	1807	sub load_header_from($) {
1304	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1305		1809
1306	utf8::encode $path;	1810	utf8::encode $path;
1307	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1308	# or return;
1309
1310	$self->_load_header ($path)
1311	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;
1312		1819
1313	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1314		1821
1315	1	1822	1
1316	}	1823	}
…		…
1355	$self->load_header_orig	1862	$self->load_header_orig
1356	or return;	1863	or return;
1357	$self->prepare_orig;	1864	$self->prepare_orig;
1358	}	1865	}
1359		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 $self->default_region;
		1872
1360	1	1873	1
1361	}	1874	}
1362		1875
1363	sub find;	1876	sub find;
1364	sub find {	1877	sub find {
1365	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1366		1879
1367	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1368		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1369	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1370		1884
1371	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1372	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
1373	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1374	or return;	1890	or return;
1375		1891
1376	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1377		1893
1378	$map->load_header	1894	$map->load_header
1379	or return;	1895	or return;
1380		1896
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1384	$map->reset;	1902	$map->reset;
1385	undef $guard;
1386	return find $path;	1903	return find $path;
1387	}	1904	}
1388		1905
1389	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1390	}	1907	}
…		…
1397	my ($self) = @_;	1914	my ($self) = @_;
1398		1915
1399	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1400		1917
1401	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1402	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1403		1922
		1923	return unless $self->valid;
1404	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1405		1925
1406	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1407		1927
1408	$self->alloc;	1928	$self->alloc;
1409		1929
1410	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1411		1932
1412	$self->_load_objects ($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)
1413	or return;	1936	or return;
1414		1937
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1416	if delete $self->{load_original};	1939	if delete $self->{load_original};
1417		1940
1418	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	1942	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1421	$self->clear_unique_items;	1945	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1423	}	1949	}
1424	}	1950	}
1425		1951
1426	Coro::cede;	1952	$f->resolve_delayed_derefs;
1427		1953
		1954	cf::cede_to_tick;
1428	# now do the right thing for maps	1955	# now do the right thing for maps
1429	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;
1436	$self->set_darkness_map;
1437	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	1958	unless $self->difficulty;
1439	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($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;
1440	$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);
1441	}	1975	}
1442		1976
1443	$self->post_load;	1977	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	1978	}
1447		1979
1448	sub customise_for {	1980	sub customise_for {
1449	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1450		1982
1451	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	1984	if $self->per_player;
1453		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1454	$self	1989	$self
1455	}	1990	}
1456		1991
1457	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1458	sub load_diag {	1993	sub load_neighbours {
1459	my ($map) = @_;	1994	my ($map) = @_;
1460		1995
1461	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1462		1997
1463	for (0 .. 3) {	1998	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1465	or next;	2000	or next;
1466	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1467	or next;	2002	or next;
1468	$neigh->load;	2003	$neigh->load;
1469		2004
		2005	push @neigh,
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}	2008	}
1473		2009
1474	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1475	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1476	or next;	2013	or next;
1477	$neigh->load;	2014	$neigh->load;
1478	}	2015	}
1479	}	2016	}
1480		2017
…		…
1485	}	2022	}
1486		2023
1487	sub do_load_sync {	2024	sub do_load_sync {
1488	my ($map) = @_;	2025	my ($map) = @_;
1489		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1490	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1491	}	2031	}
1492		2032
1493	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1495		2035
1496	sub find_async {	2036	sub find_async {
1497	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1498		2038
1499	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1500		2040
1501	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1503	}	2043	}
1504		2044
1505	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1506	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1507	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	2050	if (my $map = find $k) {
1510	or next;
1511	$map->load;	2051	$map->load if $v;
		2052	}
1512		2053
1513	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1514	}	2055	}
1515	}	2056	}
1516	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1517	};	2058	};
1518	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1521	}	2062	}
1522		2063
1523	sub save {	2064	sub save {
1524	my ($self) = @_;	2065	my ($self) = @_;
1525		2066
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1527		2068
1528	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1529		2070
1530	return unless $self->dirty;	2071	return unless $self->dirty;
1531		2072
…		…
1554	my ($self) = @_;	2095	my ($self) = @_;
1555		2096
1556	# save first because save cedes	2097	# save first because save cedes
1557	$self->save;	2098	$self->save;
1558		2099
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2101
1561	return if $self->players;	2102	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1563	return if $self->{deny_save};	2104	return if $self->{deny_save};
1564		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1565	$self->clear;	2110	$self->clear;
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	}	2111	}
1568		2112
1569	sub reset_at {	2113	sub reset_at {
1570	my ($self) = @_;	2114	my ($self) = @_;
1571		2115
1572	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1575		2118
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2121
…		…
1589	my ($self) = @_;	2132	my ($self) = @_;
1590		2133
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2135
1593	return if $self->players;	2136	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2137
1596	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1597		2139
1598	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1599		2141
1600	# need to save uniques path	2142	# need to save uniques path
1601	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1605	if $uniq;	2147	if $uniq;
1606	}	2148	}
1607		2149
1608	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1609		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1610	$self->clear;	2154	$self->clear;
1611
1612	$_->clear_links_to ($self) for values %cf::MAP;
1613		2155
1614	$self->unlink_save;	2156	$self->unlink_save;
1615	$self->destroy;	2157	$self->destroy;
1616	}	2158	}
1617		2159
1618	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1619		2161
1620	sub nuke {	2162	sub nuke {
1621	my ($self) = @_;	2163	my ($self) = @_;
1622		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1623	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1624		2169
1625	$self->unlink_save;	2170	$self->unlink_save;
1626		2171
1627	bless $self, "cf::map";	2172	bless $self, "cf::map";
1628	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1629	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1630	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632		2177
1633	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1634		2180
1635	$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	]
1636	}	2218	}
1637		2219
1638	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1639		2221
1640	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2223	instantiated unique items. May block.
1642		2224
1643	=cut	2225	=cut
1644		2226
1645	sub unique_maps() {	2227	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1647	or return;	2229	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2230	utf8::decode $_;
1653	next if /\.pst$/;	2231	/\.map$/
1654	next unless /^$PATH_SEP/o;	2232	? normalise $_
1655		2233	: ()
1656	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2235	]
1658
1659	\@paths
1660	}	2236	}
1661		2237
1662	package cf;	2238	package cf;
1663		2239
1664	=back	2240	=back
…		…
1682	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1683	}	2259	}
1684		2260
1685	sub inv_recursive {	2261	sub inv_recursive {
1686	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	}
1687	}	2294	}
1688		2295
1689	package cf;	2296	package cf;
1690		2297
1691	=back	2298	=back
…		…
1710		2317
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2319
1713	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1715	} 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 {
1716	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1718	}	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 (@_);
1719	}	2345	}
1720		2346
1721	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1722		2348
1723	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1770	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1771		2397
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2399
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1776		2402
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1778	}	2404	}
1779		2405
1780	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1782		2410
1783	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1784		2412
1785	unless ($map) {	2413	unless ($map) {
1786	# restore original map position	2414	# restore original map position
…		…
1800	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1803		2431
1804	$map->load;	2432	$map->load;
1805	$map->load_diag;	2433	$map->load_neighbours;
1806		2434
1807	return unless $self->contr->active;	2435	return unless $self->contr->active;
1808	$self->activate_recursive;	2436	$self->activate_recursive;
1809		2437
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1812	}	2440	}
1813		2441
1814	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1815	on_logout => sub {
1816	my ($pl) = @_;
1817		2443
1818	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1819	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1820	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1821	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1822	};	2448	be called at the end of this process.
1823	}
1824	},
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2449
1828	# try to abort aborted map switching on player login :)
1829	# should happen only on crashes
1830	if ($pl->ob->{_link_pos}) {
1831	$pl->ob->enter_link;
1832	(async {
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845
1846	=item $player_object->goto ($path, $x, $y)
1847
1848	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1849		2453
1850	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1851	my ($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;
1852		2459
1853	$self->enter_link;	2460	$self->enter_link;
1854		2461
1855	(async {	2462	(async {
1856	my $map = eval {	2463	my $map = eval {
1857	my $map = cf::map::find $path;	2464	my $map = cf::map::find $path;
		2465
		2466	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2467	$map = $map->customise_for ($self);
		2468	$map = $check->($map) if $check && $map;
		2469	} else {
		2470	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2471	}
		2472
1859	$map	2473	$map
		2474	};
		2475
		2476	if ($@) {
		2477	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2478	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2479	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2480
		2481	if ($gen == $self->{_goto_generation}) {
		2482	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2483	$self->leave_link ($map, $x, $y);
		2484	}
		2485
		2486	$done->() if $done;
1864	})->prio (1);	2487	})->prio (1);
1865	}	2488	}
1866		2489
1867	=item $player_object->enter_exit ($exit_object)	2490	=item $player_object->enter_exit ($exit_object)
1868		2491
…		…
1907		2530
1908	$rmp->{random_seed} ||= $exit->random_seed;	2531	$rmp->{random_seed} ||= $exit->random_seed;
1909		2532
1910	my $data = cf::to_json $rmp;	2533	my $data = cf::to_json $rmp;
1911	my $md5 = Digest::MD5::md5_hex $data;	2534	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2535	my $meta = "$RANDOMDIR/$md5.meta";
1913		2536
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2537	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2538	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2539	undef $fh;
1917	aio_rename "$meta~", $meta;	2540	aio_rename "$meta~", $meta;
…		…
1926		2549
1927	return unless $self->type == cf::PLAYER;	2550	return unless $self->type == cf::PLAYER;
1928		2551
1929	if ($exit->slaying eq "/!") {	2552	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job	2553	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2554	# the problem is that $exit might not survive long enough
		2555	# so it needs to be done right now, right here
1931	cf::sync_job { prepare_random_map $exit };	2556	cf::sync_job { prepare_random_map $exit };
1932	}	2557	}
1933		2558
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2559	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;	2560	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;	2561	my $sp = $exit->stats->sp;
1937		2562
1938	$self->enter_link;	2563	$self->enter_link;
		2564
		2565	# if exit is damned, update players death & WoR home-position
		2566	$self->contr->savebed ($slaying, $hp, $sp)
		2567	if $exit->flag (FLAG_DAMNED);
1939		2568
1940	(async {	2569	(async {
1941	$self->deactivate_recursive; # just to be sure	2570	$self->deactivate_recursive; # just to be sure
1942	unless (eval {	2571	unless (eval {
1943	$self->goto ($slaying, $hp, $sp);	2572	$self->goto ($slaying, $hp, $sp);
1944		2573
1945	1;	2574	1;
1946	}) {	2575	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2576	$self->message ("Something went wrong deep within the crossfire server. "
1948	. "I'll try to bring you back to the map you were before. "	2577	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	2578	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2579	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2580
1952	warn "ERROR in enter_exit: $@";	2581	warn "ERROR in enter_exit: $@";
1953	$self->leave_link;	2582	$self->leave_link;
1954	}	2583	}
1955	})->prio (1);	2584	})->prio (1);
…		…
1968		2597
1969	sub cf::client::send_drawinfo {	2598	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2599	my ($self, $text, $flags) = @_;
1971		2600
1972	utf8::encode $text;	2601	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2602	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2603	}
1975		2604
		2605	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	Send a drawinfo or msg packet to the client, formatting the msg for the
		2608	client if neccessary. C<$type> should be a string identifying the type of
		2609	the message, with C<log> being the default. If C<$color> is negative, suppress
		2610	the message unless the client supports the msg packet.
		2611
		2612	=cut
		2613
		2614	our %CHANNEL = (
		2615	"c/identify" => {
		2616	id => "identify",
		2617	title => "Identify",
		2618	reply => undef,
		2619	tooltip => "Items recently identified",
		2620	},
		2621	"c/examine" => {
		2622	id => "examine",
		2623	title => "Examine",
		2624	reply => undef,
		2625	tooltip => "Signs and other items you examined",
		2626	},
		2627	);
		2628
		2629	sub cf::client::send_msg {
		2630	my ($self, $channel, $msg, $color, @extra) = @_;
		2631
		2632	$msg = $self->pl->expand_cfpod ($msg);
		2633
		2634	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2635
		2636	# check predefined channels, for the benefit of C
		2637	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2638
		2639	if (ref $channel) {
		2640	# send meta info to client, if not yet sent
		2641	unless (exists $self->{channel}{$channel->{id}}) {
		2642	$self->{channel}{$channel->{id}} = $channel;
		2643	$self->ext_msg (channel_info => $channel)
		2644	if $self->can_msg;
		2645	}
		2646
		2647	$channel = $channel->{id};
		2648	}
		2649
		2650	return unless @extra || length $msg;
		2651
		2652	if ($self->can_msg) {
		2653	# default colour, mask it out
		2654	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2655	if $color & cf::NDI_DEF;
		2656
		2657	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2658	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2659	} else {
		2660	if ($color >= 0) {
		2661	# replace some tags by gcfclient-compatible ones
		2662	for ($msg) {
		2663	1 while
		2664	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2665	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2666	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2667	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2668	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2669	}
		2670
		2671	$color &= cf::NDI_COLOR_MASK;
		2672
		2673	utf8::encode $msg;
		2674
		2675	if (0 && $msg =~ /\[/) {
		2676	# COMMAND/INFO
		2677	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2678	} else {
		2679	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2680	$self->send_packet ("drawinfo $color $msg")
		2681	}
		2682	}
		2683	}
		2684	}
		2685
		2686	=item $client->ext_msg ($type, @msg)
		2687
		2688	Sends an ext event to the client.
		2689
		2690	=cut
		2691
		2692	sub cf::client::ext_msg($$@) {
		2693	my ($self, $type, @msg) = @_;
		2694
		2695	if ($self->extcmd == 2) {
		2696	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2697	} elsif ($self->extcmd == 1) { # TODO: remove
		2698	push @msg, msgtype => "event_$type";
		2699	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2700	}
		2701	}
		2702
		2703	=item $client->ext_reply ($msgid, @msg)
		2704
		2705	Sends an ext reply to the client.
		2706
		2707	=cut
		2708
		2709	sub cf::client::ext_reply($$@) {
		2710	my ($self, $id, @msg) = @_;
		2711
		2712	if ($self->extcmd == 2) {
		2713	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2714	} elsif ($self->extcmd == 1) {
		2715	#TODO: version 1, remove
		2716	unshift @msg, msgtype => "reply", msgid => $id;
		2717	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2718	}
		2719	}
1976		2720
1977	=item $success = $client->query ($flags, "text", \&cb)	2721	=item $success = $client->query ($flags, "text", \&cb)
1978		2722
1979	Queues a query to the client, calling the given callback with	2723	Queues a query to the client, calling the given callback with
1980	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2724	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1981	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2725	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		2726
1983	Queries can fail, so check the return code. Or don't, as queries will become	2727	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	2728	become reliable at some point in the future.
1985		2729
1986	=cut	2730	=cut
1987		2731
1988	sub cf::client::query {	2732	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	2733	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	2741	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2742	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		2743
2000	$self->send_packet ($self->{query_queue}[0][0])	2744	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	2745	if @{ $self->{query_queue} } == 1;
		2746
		2747	1
2002	}	2748	}
2003		2749
2004	cf::client->attach (	2750	cf::client->attach (
		2751	on_connect => sub {
		2752	my ($ns) = @_;
		2753
		2754	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2755	},
2005	on_reply => sub {	2756	on_reply => sub {
2006	my ($ns, $msg) = @_;	2757	my ($ns, $msg) = @_;
2007		2758
2008	# this weird shuffling is so that direct followup queries	2759	# this weird shuffling is so that direct followup queries
2009	# get handled first	2760	# get handled first
…		…
2021	} else {	2772	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2773	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	2774	}
2024	}	2775	}
2025	},	2776	},
		2777	on_exticmd => sub {
		2778	my ($ns, $buf) = @_;
		2779
		2780	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2781
		2782	if (ref $msg) {
		2783	my ($type, $reply, @payload) =
		2784	"ARRAY" eq ref $msg
		2785	? @$msg
		2786	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2787
		2788	my @reply;
		2789
		2790	if (my $cb = $EXTICMD{$type}) {
		2791	@reply = $cb->($ns, @payload);
		2792	}
		2793
		2794	$ns->ext_reply ($reply, @reply)
		2795	if $reply;
		2796
		2797	} else {
		2798	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2799	}
		2800
		2801	cf::override;
		2802	},
2026	);	2803	);
2027		2804
2028	=item $client->async (\&cb)	2805	=item $client->async (\&cb)
2029		2806
2030	Create a new coroutine, running the specified callback. The coroutine will	2807	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071	our $safe = new Safe "safe";	2848	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	2849	our $safe_hole = new Safe::Hole;
2073		2850
2074	$SIG{FPE} = 'IGNORE';	2851	$SIG{FPE} = 'IGNORE';
2075		2852
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2853	$safe->permit_only (Opcode::opset qw(
		2854	:base_core :base_mem :base_orig :base_math
		2855	grepstart grepwhile mapstart mapwhile
		2856	sort time
		2857	));
2077		2858
2078	# here we export the classes and methods available to script code	2859	# here we export the classes and methods available to script code
2079		2860
2080	=pod	2861	=pod
2081		2862
2082	The following fucntions and emthods are available within a safe environment:	2863	The following functions and methods are available within a safe environment:
2083		2864
2084	cf::object contr pay_amount pay_player map	2865	cf::object
		2866	contr pay_amount pay_player map x y force_find force_add
		2867	insert remove name archname title slaying race decrease_ob_nr
		2868
2085	cf::object::player player	2869	cf::object::player
2086	cf::player peaceful	2870	player
2087	cf::map trigger	2871
		2872	cf::player
		2873	peaceful
		2874
		2875	cf::map
		2876	trigger
2088		2877
2089	=cut	2878	=cut
2090		2879
2091	for (	2880	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	2881	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2882	insert remove inv name archname title slaying race
		2883	decrease_ob_nr)],
2093	["cf::object::player" => qw(player)],	2884	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	2885	["cf::player" => qw(peaceful)],
2095	["cf::map" => qw(trigger)],	2886	["cf::map" => qw(trigger)],
2096	) {	2887	) {
2097	no strict 'refs';	2888	no strict 'refs';
…		…
2168	=back	2959	=back
2169		2960
2170	=cut	2961	=cut
2171		2962
2172	#############################################################################	2963	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243
2244	#############################################################################
2245	# the server's init and main functions	2964	# the server's init and main functions
2246		2965
2247	sub load_resources {	2966	sub load_facedata($) {
2248	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2967	my ($path) = @_;
		2968
		2969	# HACK to clear player env face cache, we need some signal framework
		2970	# for this (global event?)
		2971	%ext::player_env::MUSIC_FACE_CACHE = ();
		2972
		2973	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2974
		2975	warn "loading facedata from $path\n";
		2976
		2977	my $facedata;
		2978	0 < aio_load $path, $facedata
		2979	or die "$path: $!";
		2980
		2981	$facedata = Coro::Storable::thaw $facedata;
		2982
		2983	$facedata->{version} == 2
		2984	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2985
		2986	# patch in the exptable
		2987	$facedata->{resource}{"res/exp_table"} = {
		2988	type => FT_RSRC,
		2989	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2990	};
		2991	cf::cede_to_tick;
		2992
		2993	{
		2994	my $faces = $facedata->{faceinfo};
		2995
		2996	while (my ($face, $info) = each %$faces) {
		2997	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2998	cf::face::set_visibility $idx, $info->{visibility};
		2999	cf::face::set_magicmap $idx, $info->{magicmap};
		3000	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3001	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3002
		3003	cf::cede_to_tick;
		3004	}
		3005
		3006	while (my ($face, $info) = each %$faces) {
		3007	next unless $info->{smooth};
		3008	my $idx = cf::face::find $face
		3009	or next;
		3010	if (my $smooth = cf::face::find $info->{smooth}) {
		3011	cf::face::set_smooth $idx, $smooth;
		3012	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3013	} else {
		3014	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3015	}
		3016
		3017	cf::cede_to_tick;
		3018	}
		3019	}
		3020
		3021	{
		3022	my $anims = $facedata->{animinfo};
		3023
		3024	while (my ($anim, $info) = each %$anims) {
		3025	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3026	cf::cede_to_tick;
		3027	}
		3028
		3029	cf::anim::invalidate_all; # d'oh
		3030	}
		3031
		3032	{
		3033	# TODO: for gcfclient pleasure, we should give resources
		3034	# that gcfclient doesn't grok a >10000 face index.
		3035	my $res = $facedata->{resource};
		3036
		3037	my $soundconf = delete $res->{"res/sound.conf"};
		3038
		3039	while (my ($name, $info) = each %$res) {
		3040	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3041	my $data;
		3042
		3043	if ($info->{type} & 1) {
		3044	# prepend meta info
		3045
		3046	my $meta = $enc->encode ({
		3047	name => $name,
		3048	%{ $info->{meta} || {} },
		3049	});
		3050
		3051	$data = pack "(w/a*)*", $meta, $info->{data};
		3052	} else {
		3053	$data = $info->{data};
		3054	}
		3055
		3056	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3057	cf::face::set_type $idx, $info->{type};
		3058
		3059	cf::cede_to_tick;
		3060	}
		3061
		3062	if ($soundconf) {
		3063	$soundconf = $enc->decode (delete $soundconf->{data});
		3064
		3065	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3066	my $sound = $soundconf->{compat}[$_]
		3067	or next;
		3068
		3069	my $face = cf::face::find "sound/$sound->[1]";
		3070	cf::sound::set $sound->[0] => $face;
		3071	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3072	}
		3073
		3074	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3075	my $face = cf::face::find "sound/$v";
		3076	cf::sound::set $k => $face;
		3077	}
		3078	}
		3079	}
		3080
		3081	1
		3082	}
		3083
		3084	register_exticmd fx_want => sub {
		3085	my ($ns, $want) = @_;
		3086
		3087	while (my ($k, $v) = each %$want) {
		3088	$ns->fx_want ($k, $v);
		3089	}
		3090	};
		3091
		3092	sub reload_regions {
		3093	# HACK to clear player env face cache, we need some signal framework
		3094	# for this (global event?)
		3095	%ext::player_env::MUSIC_FACE_CACHE = ();
		3096
		3097	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	3098	or die "unable to load regions file\n";
2250	}
2251		3099
2252	sub cfg_load {	3100	for (cf::region::list) {
		3101	$_->{match} = qr/$_->{match}/
		3102	if exists $_->{match};
		3103	}
		3104	}
		3105
		3106	sub reload_facedata {
		3107	load_facedata "$DATADIR/facedata"
		3108	or die "unable to load facedata\n";
		3109	}
		3110
		3111	sub reload_archetypes {
		3112	load_resource_file "$DATADIR/archetypes"
		3113	or die "unable to load archetypes\n";
		3114	#d# NEED to laod twice to resolve forward references
		3115	# this really needs to be done in an extra post-pass
		3116	# (which needs to be synchronous, so solve it differently)
		3117	load_resource_file "$DATADIR/archetypes"
		3118	or die "unable to load archetypes\n";
		3119	}
		3120
		3121	sub reload_treasures {
		3122	load_resource_file "$DATADIR/treasures"
		3123	or die "unable to load treasurelists\n";
		3124	}
		3125
		3126	sub reload_resources {
		3127	warn "reloading resource files...\n";
		3128
		3129	reload_regions;
		3130	reload_facedata;
		3131	#reload_archetypes;#d#
		3132	reload_archetypes;
		3133	reload_treasures;
		3134
		3135	warn "finished reloading resource files\n";
		3136	}
		3137
		3138	sub init {
		3139	reload_resources;
		3140	}
		3141
		3142	sub reload_config {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3143	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3144	or return;
2255		3145
2256	local $/;	3146	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3147	*CFG = YAML::Syck::Load <$fh>;
2258		3148
…		…
2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3156	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2267	and die "WARNING: m(un)lockall failed: $!\n";	3157	and die "WARNING: m(un)lockall failed: $!\n";
2268	};	3158	};
2269	warn $@ if $@;	3159	warn $@ if $@;
2270	}	3160	}
2271	}
2272
2273	sub init {
2274	load_resources;
2275	}	3161	}
2276		3162
2277	sub main {	3163	sub main {
2278	# we must not ever block the main coroutine	3164	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3165	local $Coro::idle = sub {
…		…
2281	(async {	3167	(async {
2282	Event::one_event;	3168	Event::one_event;
2283	})->prio (Coro::PRIO_MAX);	3169	})->prio (Coro::PRIO_MAX);
2284	};	3170	};
2285		3171
2286	cfg_load;	3172	reload_config;
2287	db_init;	3173	db_init;
2288	load_extensions;	3174	load_extensions;
2289		3175
2290	$TICK_WATCHER->start;	3176	$TICK_WATCHER->start;
2291	Event::loop;	3177	Event::loop;
…		…
2307	},	3193	},
2308	);	3194	);
2309	}	3195	}
2310	}	3196	}
2311		3197
		3198	sub write_runtime {
		3199	my $runtime = "$LOCALDIR/runtime";
		3200
		3201	# first touch the runtime file to show we are still running:
		3202	# the fsync below can take a very very long time.
		3203
		3204	IO::AIO::aio_utime $runtime, undef, undef;
		3205
		3206	my $guard = cf::lock_acquire "write_runtime";
		3207
		3208	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3209	or return;
		3210
		3211	my $value = $cf::RUNTIME + 90 + 10;
		3212	# 10 is the runtime save interval, for a monotonic clock
		3213	# 60 allows for the watchdog to kill the server.
		3214
		3215	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3216	and return;
		3217
		3218	# always fsync - this file is important
		3219	aio_fsync $fh
		3220	and return;
		3221
		3222	# touch it again to show we are up-to-date
		3223	aio_utime $fh, undef, undef;
		3224
		3225	close $fh
		3226	or return;
		3227
		3228	aio_rename "$runtime~", $runtime
		3229	and return;
		3230
		3231	warn "runtime file written.\n";
		3232
		3233	1
		3234	}
		3235
2312	sub emergency_save() {	3236	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3237	my $freeze_guard = cf::freeze_mainloop;
2314		3238
2315	warn "enter emergency perl save\n";	3239	warn "enter emergency perl save\n";
2316		3240
…		…
2347		3271
2348	warn Carp::longmess "post_cleanup backtrace"	3272	warn Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3273	if $make_core;
2350	}	3274	}
2351		3275
2352	sub reload() {	3276	sub do_reload_perl() {
2353	# can/must only be called in main	3277	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3278	if ($Coro::current != $Coro::main) {
2355	warn "can only reload from main coroutine";	3279	warn "can only reload from main coroutine";
2356	return;	3280	return;
2357	}	3281	}
…		…
2382	Coro::cede;	3306	Coro::cede;
2383	last unless IO::AIO::nreqs || BDB::nreqs;	3307	last unless IO::AIO::nreqs || BDB::nreqs;
2384	warn "iterate...";	3308	warn "iterate...";
2385	}	3309	}
2386		3310
		3311	++$RELOAD;
		3312
2387	warn "cancelling all extension coros";	3313	warn "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;	3314	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();	3315	%EXT_CORO = ();
2390		3316
2391	warn "removing commands";	3317	warn "removing commands";
2392	%COMMAND = ();	3318	%COMMAND = ();
2393		3319
2394	warn "removing ext commands";	3320	warn "removing ext/exti commands";
2395	%EXTCMD = ();	3321	%EXTCMD = ();
		3322	%EXTICMD = ();
2396		3323
2397	warn "unloading/nuking all extensions";	3324	warn "unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {	3325	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";	3326	warn "... unloading $pkg";
2400		3327
…		…
2430	Symbol::delete_package "safe::$_"	3357	Symbol::delete_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3358	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		3359
2433	warn "unloading cf.pm \"a bit\"";	3360	warn "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3361	delete $INC{"cf.pm"};
		3362	delete $INC{"cf/pod.pm"};
2435		3363
2436	# don't, removes xs symbols, too,	3364	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3365	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3366	#Symbol::delete_package __PACKAGE__;
2439		3367
…		…
2442	warn "reloading cf.pm";	3370	warn "reloading cf.pm";
2443	require cf;	3371	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2445		3373
2446	warn "loading config and database again";	3374	warn "loading config and database again";
2447	cf::cfg_load;	3375	cf::reload_config;
2448		3376
2449	warn "loading extensions";	3377	warn "loading extensions";
2450	cf::load_extensions;	3378	cf::load_extensions;
2451		3379
2452	warn "reattaching attachments to objects/players";	3380	warn "reattaching attachments to objects/players";
2453	_global_reattach;	3381	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	3382	warn "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	3383	reattach $_ for values %MAP;
2456		3384	warn "reattaching attachments to players";
2457	warn "loading reloadable resources";	3385	reattach $_ for values %PLAYER;
2458	load_resources;
2459		3386
2460	warn "leaving sync_job";	3387	warn "leaving sync_job";
2461		3388
2462	1	3389	1
2463	} or do {	3390	} or do {
…		…
2469	warn "reloaded";	3396	warn "reloaded";
2470	};	3397	};
2471		3398
2472	our $RELOAD_WATCHER; # used only during reload	3399	our $RELOAD_WATCHER; # used only during reload
2473		3400
		3401	sub reload_perl() {
		3402	# doing reload synchronously and two reloads happen back-to-back,
		3403	# coro crashes during coro_state_free->destroy here.
		3404
		3405	$RELOAD_WATCHER ||= Event->timer (
		3406	reentrant => 0,
		3407	after => 0,
		3408	data => WF_AUTOCANCEL,
		3409	cb => sub {
		3410	do_reload_perl;
		3411	undef $RELOAD_WATCHER;
		3412	},
		3413	);
		3414	}
		3415
2474	register_command "reload" => sub {	3416	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3417	my ($who, $arg) = @_;
2476		3418
2477	if ($who->flag (FLAG_WIZ)) {	3419	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3420	$who->message ("reloading server.");
2479		3421	async { reload_perl };
2480	# doing reload synchronously and two reloads happen back-to-back,
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);
2492	}	3422	}
2493	};	3423	};
2494		3424
2495	unshift @INC, $LIBDIR;	3425	unshift @INC, $LIBDIR;
2496		3426
2497	my $bug_warning = 0;	3427	my $bug_warning = 0;
		3428
		3429	our @WAIT_FOR_TICK;
		3430	our @WAIT_FOR_TICK_BEGIN;
		3431
		3432	sub wait_for_tick {
		3433	return unless $TICK_WATCHER->is_active;
		3434	return if $Coro::current == $Coro::main;
		3435
		3436	my $signal = new Coro::Signal;
		3437	push @WAIT_FOR_TICK, $signal;
		3438	$signal->wait;
		3439	}
		3440
		3441	sub wait_for_tick_begin {
		3442	return unless $TICK_WATCHER->is_active;
		3443	return if $Coro::current == $Coro::main;
		3444
		3445	my $signal = new Coro::Signal;
		3446	push @WAIT_FOR_TICK_BEGIN, $signal;
		3447	$signal->wait;
		3448	}
		3449
		3450	our $stat_fh;
		3451	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2498		3452
2499	$TICK_WATCHER = Event->timer (	3453	$TICK_WATCHER = Event->timer (
2500	reentrant => 0,	3454	reentrant => 0,
2501	parked => 1,	3455	parked => 1,
2502	prio => 0,	3456	prio => 0,
…		…
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3461	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3462	unless ++$bug_warning > 10;
2509	return;	3463	return;
2510	}	3464	}
2511		3465
		3466	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3467
2512	$NOW = Event::time;	3468	$NOW = $tick_start = Event::time;
2513		3469
2514	cf::server_tick; # one server iteration	3470	cf::server_tick; # one server iteration
		3471
2515	$RUNTIME += $TICK;	3472	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;	3473	$NEXT_TICK += $TICK;
2517		3474
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3475	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	3476	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2521	write_runtime	3478	write_runtime
2522	or warn "ERROR: unable to write runtime file: $!";	3479	or warn "ERROR: unable to write runtime file: $!";
2523	};	3480	};
2524	}	3481	}
2525		3482
2526
2527	$WAIT_FOR_TICK->broadcast;
2528	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2529
2530	# my $AFTER = Event::time;	3483	# my $AFTER = Event::time;
2531	# warn $AFTER - $NOW;#d#	3484	# warn $AFTER - $NOW;#d#
2532		3485
		3486	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3487	$sig->send;
		3488	}
		3489	while (my $sig = shift @WAIT_FOR_TICK) {
		3490	$sig->send;
		3491	}
		3492
		3493	$NOW = Event::time;
		3494
2533	# if we are delayed by four ticks or more, skip them all	3495	# if we are delayed by four ticks or more, skip them all
2534	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3496	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2535		3497
2536	$TICK_WATCHER->at ($NEXT_TICK);	3498	$TICK_WATCHER->at ($NEXT_TICK);
2537	$TICK_WATCHER->start;	3499	$TICK_WATCHER->start;
		3500
		3501	$LOAD = ($NOW - $tick_start) / $TICK;
		3502	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3503
		3504	_post_tick;
		3505
		3506	# gather some statistics#d#
		3507	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3508	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2538	},	3509	},
2539	);	3510	);
2540		3511
2541	{	3512	{
		3513	BDB::min_parallel 8;
2542	BDB::max_poll_time $TICK * 0.1;	3514	BDB::max_poll_time $TICK * 0.1;
2543	$BDB_POLL_WATCHER = Event->io (	3515	$BDB_POLL_WATCHER = Event->io (
2544	reentrant => 0,	3516	reentrant => 0,
2545	fd => BDB::poll_fileno,	3517	fd => BDB::poll_fileno,
2546	poll => 'r',	3518	poll => 'r',
2547	prio => 0,	3519	prio => 0,
2548	data => WF_AUTOCANCEL,	3520	data => WF_AUTOCANCEL,
2549	cb => \&BDB::poll_cb,	3521	cb => \&BDB::poll_cb,
2550	);	3522	);
2551	BDB::min_parallel 8;
2552		3523
2553	BDB::set_sync_prepare {	3524	BDB::set_sync_prepare {
2554	my $status;	3525	my $status;
2555	my $current = $Coro::current;	3526	my $current = $Coro::current;
2556	(	3527	(
…		…
2570		3541
2571	cf::sync_job {	3542	cf::sync_job {
2572	eval {	3543	eval {
2573	BDB::db_env_open	3544	BDB::db_env_open
2574	$DB_ENV,	3545	$DB_ENV,
2575	$BDB_ENV_DIR,	3546	$BDBDIR,
2576	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3547	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2577	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3548	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2578	0666;	3549	0666;
2579		3550
2580	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3551	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2581		3552
2582	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3553	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3554	| BDB::LOG_AUTOREMOVE, 1);
2583	$DB_ENV->set_lk_detect;	3555	$DB_ENV->set_lk_detect;
2584	};	3556	};
2585		3557
2586	cf::cleanup "db_env_open(db): $@" if $@;	3558	cf::cleanup "db_env_open(db): $@" if $@;
2587	};	3559	};
2588	}	3560	}
		3561
		3562	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3563	after => 11,
		3564	interval => 60,
		3565	hard => 1,
		3566	prio => 0,
		3567	data => WF_AUTOCANCEL,
		3568	cb => sub {
		3569	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3570	},
		3571	);
		3572	$BDB_TRICKLE_WATCHER = Event->timer (
		3573	after => 5,
		3574	interval => 10,
		3575	hard => 1,
		3576	prio => 0,
		3577	data => WF_AUTOCANCEL,
		3578	cb => sub {
		3579	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3580	},
		3581	);
2589	}	3582	}
2590		3583
2591	{	3584	{
2592	IO::AIO::min_parallel 8;	3585	IO::AIO::min_parallel 8;
2593		3586
…		…
2601	prio => 6,	3594	prio => 6,
2602	cb => \&IO::AIO::poll_cb,	3595	cb => \&IO::AIO::poll_cb,
2603	);	3596	);
2604	}	3597	}
2605		3598
		3599	my $_log_backtrace;
		3600
		3601	sub _log_backtrace {
		3602	my ($msg, @addr) = @_;
		3603
		3604	$msg =~ s/\n//;
		3605
		3606	# limit the # of concurrent backtraces
		3607	if ($_log_backtrace < 2) {
		3608	++$_log_backtrace;
		3609	async {
		3610	my @bt = fork_call {
		3611	@addr = map { sprintf "%x", $_ } @addr;
		3612	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3613	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3614	or die "addr2line: $!";
		3615
		3616	my @funcs;
		3617	my @res = <$fh>;
		3618	chomp for @res;
		3619	while (@res) {
		3620	my ($func, $line) = splice @res, 0, 2, ();
		3621	push @funcs, "[$func] $line";
		3622	}
		3623
		3624	@funcs
		3625	};
		3626
		3627	LOG llevInfo, "[ABT] $msg\n";
		3628	LOG llevInfo, "[ABT] $_\n" for @bt;
		3629	--$_log_backtrace;
		3630	};
		3631	} else {
		3632	LOG llevInfo, "[ABT] $msg\n";
		3633	LOG llevInfo, "[ABT] [suppressed]\n";
		3634	}
		3635	}
		3636
		3637	# load additional modules
		3638	use cf::pod;
		3639
2606	END { cf::emergency_save }	3640	END { cf::emergency_save }
2607		3641
2608	1	3642	1
2609		3643

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