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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.233 by root, Wed Apr 4 02:20:27 2007 UTC vs.
Revision 1.385 by root, Fri Oct 12 19:13:26 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 Storable;	8	use Socket;
9	use Event;	9	use Event;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.52 ();	15	use Coro 4.1 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
21		25
		26	use JSON::XS ();
22	use BDB ();	27	use BDB ();
23	use Data::Dumper;	28	use Data::Dumper;
24	use Digest::MD5;	29	use Digest::MD5;
25	use Fcntl;	30	use Fcntl;
26	use YAML::Syck ();	31	use YAML::Syck ();
27	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
28	use Time::HiRes;	33	use Time::HiRes;
29	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
30		36
31	# configure various modules to our taste	37	# configure various modules to our taste
32	#	38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	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
35		42
36	$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
37		44
…		…
45	our %COMMAND = ();	52	our %COMMAND = ();
46	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
47		54
48	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
52		60
53	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
54	our @EVENT;	62	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		63
57	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(!)
58	our $TICK_WATCHER;	77	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	80	our $NEXT_TICK;
62	our $NOW;	81	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		83
65	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	88	our $DB_ENV;
67		89
68	our %CFG;	90	our %CFG;
69		91
70	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	93	our $RUNTIME;
72		94
73	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		98
82	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
85	binmode STDOUT;	106	binmode STDOUT;
86	binmode STDERR;	107	binmode STDERR;
87		108
88	# read virtual server time, if available	109	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
93	}	114	}
94		115
95	mkdir cf::localdir;	116	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		118
102	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
103		120
104	sub cf::map::normalise;	121	sub cf::map::normalise;
105		122
…		…
116	=item $cf::RUNTIME	133	=item $cf::RUNTIME
117		134
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	136	every server tick.
120		137
121	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		141
123	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
125		146
126	=item $cf::NOW	147	=item $cf::NOW
127		148
128	The time of the last (current) server tick.	149	The time of the last (current) server tick.
129		150
130	=item $cf::TICK	151	=item $cf::TICK
131		152
132	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
133		164
134	=item %cf::CFG	165	=item %cf::CFG
135		166
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	168	from wherever your confdir points to.
138		169
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		171
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
145		181
146	=back	182	=back
147		183
148	=cut	184	=cut
149		185
150	BEGIN {	186	BEGIN {
151	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	188	my $msg = join "", @_;
153	utf8::encode $msg;
154		189
155	$msg .= "\n"	190	$msg .= "\n"
156	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
157		194
158	LOG llevError, $msg;	195	LOG llevError, $msg;
159	};	196	};
160	}	197	}
161		198
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		206
169	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	208	# within the Safe compartment.
171	for my $pkg (qw(	209	for my $pkg (qw(
172	cf::global cf::attachable	210	cf::global cf::attachable
…		…
180	}	218	}
181		219
182	$Event::DIED = sub {	220	$Event::DIED = sub {
183	warn "error in event callback: @_";	221	warn "error in event callback: @_";
184	};	222	};
		223
		224	#############################################################################
185		225
186	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
187		227
188	=over 4	228	=over 4
189		229
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	249	$d
210	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
211	}	251	}
212		252
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
216		254
217	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
218		256
219	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
220		258
221	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
222		267
223	=item cf::lock_wait $string	268	=item cf::lock_wait $string
224		269
225	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
226		271
…		…
229	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
232	returned.	277	returned.
233		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
234	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
236		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
237	=cut	289	=cut
238		290
239	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
240		293
241	sub lock_wait($) {	294	sub lock_wait($) {
242	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
243		301
244	# wait for lock, if any	302	# wait for lock, if any
245	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	305	Coro::schedule;
…		…
253		311
254	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
255	lock_wait $key;	313	lock_wait $key;
256		314
257	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
258		317
259	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
262	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
263	}	329	}
264		330
265	sub freeze_mainloop {	331	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
267		333
…		…
270	};	336	};
271	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
272	$guard	338	$guard
273	}	339	}
274		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
275	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
276		400
277	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
282		406
283	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
284		408
285	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
286		410
287	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
290		415
291	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
294	fast or be very important.	419	fast or be very important.
…		…
297		422
298	sub sync_job(&) {	423	sub sync_job(&) {
299	my ($job) = @_;	424	my ($job) = @_;
300		425
301	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
302	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
304		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
305	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	435	# (but this is cancel-safe)
307	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
308		437
309	my $busy = 1;	438	my $busy = 1;
310	my @res;	439	my @res;
311		440
312	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	443	@res = eval { $job->() };
314	warn $@ if $@;	444	warn $@ if $@;
315	undef $busy;	445	undef $busy;
316	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
317		447
318	while ($busy) {	448	while ($busy) {
319	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
320	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
321		458
322	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
323	} else {	460	} else {
324	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
325		462
…		…
345	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
346		483
347	$coro	484	$coro
348	}	485	}
349		486
350	sub write_runtime {	487	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		488
353	my $runtime = cf::localdir . "/runtime";	489	Executes the given code block with the given arguments in a seperate
		490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
354		493
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	494	=cut
356	or return;
357		495
358	my $value = $cf::RUNTIME + 90 + 10;	496	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	497	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		498
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	499	# we seemingly have to make a local copy of the whole thing,
363	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
364		502
365	# always fsync - this file is important	503	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	504	reset_signals;
367	and return;	505	&$cb
		506	}, @args;
368		507
369	close $fh	508	wantarray ? @res : $res[-1]
370	or return;	509	}
371		510
372	aio_rename "$runtime~", $runtime	511	=item $value = cf::db_get $family => $key
373	and return;
374		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
375	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
376	}	636	}
377		637
378	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
379		639
380	Log a datalog packet of the given type with the given key-value pairs.	640	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
400		660
401	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	663	Crossfire TRT).
404		664
405	=over 4	665	=over 4
406		666
407	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
408		668
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
572		832
573	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		837
578	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	839	my $pkg = shift @arg;
580		840
581	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
611	}	871	}
612		872
613	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
614	} else {	874	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	876	}
617		877
618	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
619	}	879	}
620		880
…		…
622	if (ref $_[0]) {	882	if (ref $_[0]) {
623	_object_attach @_;	883	_object_attach @_;
624	} else {	884	} else {
625	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
626	}	886	}
		887	_recalc_want;
627	};	888	};
628		889
629	# all those should be optimised	890	# all those should be optimised
630	sub cf::attachable::detach {	891	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
635	reattach ($obj);	896	reattach ($obj);
636	} else {	897	} else {
637	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
638	}	899	}
		900	_recalc_want;
639	};	901	};
640		902
641	sub cf::attachable::attached {	903	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
643		905
…		…
658	";	920	";
659	die if $@;	921	die if $@;
660	}	922	}
661		923
662	our $override;	924	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		926
665	sub override {	927	sub override {
666	$override = 1;	928	$override = 1;
667	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
668	}	930	}
669		931
670	sub do_invoke {	932	sub do_invoke {
671	my $event = shift;	933	my $event = shift;
672	my $callbacks = shift;	934	my $callbacks = shift;
673		935
674	@invoke_results = ();	936	@INVOKE_RESULTS = ();
675		937
676	local $override;	938	local $override;
677		939
678	for (@$callbacks) {	940	for (@$callbacks) {
679	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
696		958
697	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
698		960
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		964
703	=back	965	=back
704		966
705	=cut	967	=cut
706		968
707	#############################################################################	969	#############################################################################
708	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	return 1;#d#
		977
		978	#todo#d# kill yourself and do some recursive checking manually without storable
		979	sync_job {
		980	my $guard = Coro::Storable::guard;
		981	local $Storable::canonical = 1;
		982	my $fob1 = Storable::freeze $ob1;
		983	my $fob2 = Storable::freeze $ob2;
		984	$fob1 eq $fob2
		985	}
		986	}
709		987
710	sub reattach {	988	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	989	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	990	my ($obj) = @_;
713		991
…		…
760	sub object_freezer_save {	1038	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1039	my ($filename, $rdata, $objs) = @_;
762		1040
763	sync_job {	1041	sync_job {
764	if (length $$rdata) {	1042	if (length $$rdata) {
		1043	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1044	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1045	$decname, length $$rdata, scalar @$objs;
767		1046
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1047	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1048	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1049	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1050	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1051	close $fh;
773		1052
774	if (@$objs) {	1053	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1054	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1055	chmod SAVE_MODE, $fh;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1056	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1057	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1058	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1059	close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1060	aio_rename "$filename.pst~", "$filename.pst";
782	}	1061	}
…		…
790	}	1069	}
791	} else {	1070	} else {
792	aio_unlink $filename;	1071	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1072	aio_unlink "$filename.pst";
794	}	1073	}
795	}	1074	};
796	}	1075	}
797		1076
798	sub object_freezer_as_string {	1077	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1078	my ($rdata, $objs) = @_;
800		1079
…		…
812	or return;	1091	or return;
813		1092
814	unless (aio_stat "$filename.pst") {	1093	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1094	(aio_load "$filename.pst", $av) >= 0
816	or return;	1095	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };
818	}
819		1096
		1097	my $st = eval { Coro::Storable::thaw $av }
		1098	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1099	$av = $st->{objs};
		1100	}
		1101
		1102	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1103	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1104	$decname, length $data, scalar @{$av || []};
		1105
822	return ($data, $av);	1106	($data, $av)
823	}	1107	}
		1108
		1109	=head2 COMMAND CALLBACKS
		1110
		1111	=over 4
		1112
		1113	=cut
824		1114
825	#############################################################################	1115	#############################################################################
826	# command handling &c	1116	# command handling &c
827		1117
828	=item cf::register_command $name => \&callback($ob,$args);	1118	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1131	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1132	}
843		1133
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1134	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1135
846	Register a callbackf ro execution when the client sends an extcmd packet.	1136	Register a callback for execution when the client sends an (synchronous)
		1137	extcmd packet. Ext commands will be processed in the order they are
		1138	received by the server, like other user commands. The first argument is
		1139	the logged-in player. Ext commands can only be processed after a player
		1140	has logged in successfully.
847		1141
848	If the callback returns something, it is sent back as if reply was being	1142	If the callback returns something, it is sent back as if reply was being
849	called.	1143	called.
850		1144
		1145	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1146
		1147	Register a callback for execution when the client sends an (asynchronous)
		1148	exticmd packet. Exti commands are processed by the server as soon as they
		1149	are received, i.e. out of order w.r.t. other commands. The first argument
		1150	is a client socket. Exti commands can be received anytime, even before
		1151	log-in.
		1152
		1153	If the callback returns something, it is sent back as if reply was being
		1154	called.
		1155
851	=cut	1156	=cut
852		1157
853	sub register_extcmd {	1158	sub register_extcmd {
854	my ($name, $cb) = @_;	1159	my ($name, $cb) = @_;
855		1160
856	$EXTCMD{$name} = $cb;	1161	$EXTCMD{$name} = $cb;
		1162	}
		1163
		1164	sub register_exticmd {
		1165	my ($name, $cb) = @_;
		1166
		1167	$EXTICMD{$name} = $cb;
857	}	1168	}
858		1169
859	cf::player->attach (	1170	cf::player->attach (
860	on_command => sub {	1171	on_command => sub {
861	my ($pl, $name, $params) = @_;	1172	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1181	cf::override;
871	},	1182	},
872	on_extcmd => sub {	1183	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1184	my ($pl, $buf) = @_;
874		1185
875	my $msg = eval { from_json $buf };	1186	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1187
877	if (ref $msg) {	1188	if (ref $msg) {
		1189	my ($type, $reply, @payload) =
		1190	"ARRAY" eq ref $msg
		1191	? @$msg
		1192	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1193
		1194	my @reply;
		1195
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1196	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1197	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1198	}
		1199
		1200	$pl->ext_reply ($reply, @reply)
		1201	if $reply;
		1202
883	} else {	1203	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1204	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1205	}
886		1206
887	cf::override;	1207	cf::override;
888	},	1208	},
889	);	1209	);
890		1210
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1211	sub load_extensions {
		1212	cf::sync_job {
		1213	my %todo;
		1214
926	for my $ext (<$LIBDIR/*.ext>) {	1215	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1216	next unless -r $path;
928	eval {	1217
929	load_extension $ext;	1218	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1219	my $base = $1;
		1220	my $pkg = $1;
		1221	$pkg =~ s/[^[:word:]]/_/g;
		1222	$pkg = "ext::$pkg";
		1223
		1224	open my $fh, "<:utf8", $path
		1225	or die "$path: $!";
		1226
		1227	my $source = do { local $/; <$fh> };
		1228
		1229	my %ext = (
		1230	path => $path,
		1231	base => $base,
		1232	pkg => $pkg,
		1233	);
		1234
		1235	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1236	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1237
		1238	$ext{source} =
		1239	"package $pkg; use strict; use utf8;\n"
		1240	. "#line 1 \"$path\"\n{\n"
		1241	. $source
		1242	. "\n};\n1";
		1243
		1244	$todo{$base} = \%ext;
		1245	}
		1246
		1247	my %done;
		1248	while (%todo) {
		1249	my $progress;
		1250
		1251	while (my ($k, $v) = each %todo) {
		1252	for (split /,\s*/, $v->{meta}{depends}) {
		1253	goto skip
		1254	unless exists $done{$_};
		1255	}
		1256
		1257	warn "... loading '$k' into '$v->{pkg}'\n";
		1258
		1259	unless (eval $v->{source}) {
		1260	my $msg = $@ ? "$v->{path}: $@\n"
		1261	: "$v->{base}: extension inactive.\n";
		1262
		1263	if (exists $v->{meta}{mandatory}) {
		1264	warn $msg;
		1265	warn "mandatory extension failed to load, exiting.\n";
		1266	exit 1;
		1267	}
		1268
		1269	warn $msg;
		1270	}
		1271
		1272	$done{$k} = delete $todo{$k};
		1273	push @EXTS, $v->{pkg};
		1274	$progress = 1;
930	1	1275	}
931	} or warn "$ext not loaded: $@";	1276
		1277	skip:
		1278	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1279	unless $progress;
		1280	}
932	}	1281	};
933	}	1282	}
934		1283
935	#############################################################################	1284	#############################################################################
936		1285
		1286	=back
		1287
937	=head2 CORE EXTENSIONS	1288	=head2 CORE EXTENSIONS
938		1289
939	Functions and methods that extend core crossfire objects.	1290	Functions and methods that extend core crossfire objects.
940		1291
941	=cut	1292	=cut
…		…
946		1297
947	=head3 cf::player	1298	=head3 cf::player
948		1299
949	=over 4	1300	=over 4
950		1301
		1302	=item cf::player::num_playing
		1303
		1304	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1305
		1306	=cut
		1307
		1308	sub num_playing {
		1309	scalar grep
		1310	$_->ob->map
		1311	&& !$_->hidden
		1312	&& !$_->ob->flag (cf::FLAG_WIZ),
		1313	cf::player::list
		1314	}
		1315
951	=item cf::player::find $login	1316	=item cf::player::find $login
952		1317
953	Returns the given player object, loading it if necessary (might block).	1318	Returns the given player object, loading it if necessary (might block).
954		1319
955	=cut	1320	=cut
956		1321
957	sub playerdir($) {	1322	sub playerdir($) {
958	cf::localdir	1323	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1324	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1325	}
964		1326
965	sub path($) {	1327	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1328	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1329
968	(playerdir $login) . "/$login.pl"	1330	(playerdir $login) . "/playerdata"
969	}	1331	}
970		1332
971	sub find_active($) {	1333	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1334	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1335	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1348	my $login = $_[0];
987		1349
988	my $guard = cf::lock_acquire "user_find:$login";	1350	my $guard = cf::lock_acquire "user_find:$login";
989		1351
990	$cf::PLAYER{$_[0]} || do {	1352	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1353	# rename old playerfiles to new ones
		1354	#TODO: remove when no longer required
		1355	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1356	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1357	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1358	aio_unlink +(playerdir $login) . "/$login.pl";
		1359
		1360	my $f = new_from_file cf::object::thawer path $login
992	or return;	1361	or return;
		1362
		1363	my $pl = cf::player::load_pl $f
		1364	or return;
		1365	local $cf::PLAYER_LOADING{$login} = $pl;
		1366	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1367	$cf::PLAYER{$login} = $pl
994	}	1368	}
995	}	1369	}
996	}	1370	}
997		1371
…		…
1007		1381
1008	aio_mkdir playerdir $pl, 0770;	1382	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1383	$pl->{last_save} = $cf::RUNTIME;
1010		1384
1011	$pl->save_pl ($path);	1385	$pl->save_pl ($path);
1012	Coro::cede;	1386	cf::cede_to_tick;
1013	}	1387	}
1014		1388
1015	sub new($) {	1389	sub new($) {
1016	my ($login) = @_;	1390	my ($login) = @_;
1017		1391
…		…
1021	$self->{deny_save} = 1;	1395	$self->{deny_save} = 1;
1022		1396
1023	$cf::PLAYER{$login} = $self;	1397	$cf::PLAYER{$login} = $self;
1024		1398
1025	$self	1399	$self
		1400	}
		1401
		1402	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1403
		1404	=cut
		1405
		1406	sub send_msg {
		1407	my $ns = shift->ns
		1408	or return;
		1409	$ns->send_msg (@_);
1026	}	1410	}
1027		1411
1028	=item $pl->quit_character	1412	=item $pl->quit_character
1029		1413
1030	Nukes the player without looking back. If logged in, the connection will	1414	Nukes the player without looking back. If logged in, the connection will
…		…
1079	while and may block, so not sync_job-capable, ever.	1463	while and may block, so not sync_job-capable, ever.
1080		1464
1081	=cut	1465	=cut
1082		1466
1083	sub list_logins {	1467	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1468	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1469	or return [];
1086		1470
1087	my @logins;	1471	my @logins;
1088		1472
1089	for my $login (@$dirs) {	1473	for my $login (@$dirs) {
		1474	my $path = path $login;
		1475
		1476	# a .pst is a dead give-away for a valid player
		1477	unless (-e "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1478	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1479	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1480	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1481	}
1093		1482
1094	utf8::decode $login;	1483	utf8::decode $login;
1095	push @logins, $login;	1484	push @logins, $login;
1096	}	1485	}
1097		1486
…		…
1124	}	1513	}
1125		1514
1126	\@paths	1515	\@paths
1127	}	1516	}
1128		1517
		1518	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1519
		1520	Expand crossfire pod fragments into protocol xml.
		1521
		1522	=cut
		1523
		1524	sub expand_cfpod {
		1525	((my $self), (local $_)) = @_;
		1526
		1527	# escape & and <
		1528	s/&/&amp;/g;
		1529	s/(?<![BIUGHT])</&lt;/g;
		1530
		1531	# this is buggy, it needs to properly take care of nested <'s
		1532
		1533	1 while
		1534	# replace B<>, I<>, U<> etc.
		1535	s/B<([^\>]*)>/<b>$1<\/b>/
		1536	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1537	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1538	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1539	# replace G<male|female> tags
		1540	|| s{G<([^>|]*)\|([^>]*)>}{
		1541	$self->gender ? $2 : $1
		1542	}ge
		1543	# replace H<hint text>
		1544	|| s{H<([^\>]*)>}
		1545	{
		1546	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1547	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1548	"")
		1549	[$self->{hintmode}]
		1550	}ge;
		1551
		1552	# create single paragraphs (very hackish)
		1553	s/(?<=\S)\n(?=\w)/ /g;
		1554
		1555	# compress some whitespace
		1556	s/\s+\n/\n/g; # ws line-ends
		1557	s/\n\n+/\n/g; # double lines
		1558	s/^\n+//; # beginning lines
		1559	s/\n+$//; # ending lines
		1560
		1561	$_
		1562	}
		1563
		1564	sub hintmode {
		1565	$_[0]{hintmode} = $_[1] if @_ > 1;
		1566	$_[0]{hintmode}
		1567	}
		1568
1129	=item $player->ext_reply ($msgid, %msg)	1569	=item $player->ext_reply ($msgid, @msg)
1130		1570
1131	Sends an ext reply to the player.	1571	Sends an ext reply to the player.
1132		1572
1133	=cut	1573	=cut
1134		1574
1135	sub ext_reply($$%) {	1575	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1576	my ($self, $id, @msg) = @_;
1137		1577
1138	$msg{msgid} = $id;	1578	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1579	}
1142		1580
1143	=item $player->ext_event ($type, %msg)	1581	=item $player->ext_msg ($type, @msg)
1144		1582
1145	Sends an ext event to the client.	1583	Sends an ext event to the client.
1146		1584
1147	=cut	1585	=cut
1148		1586
1149	sub ext_event($$%) {	1587	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1588	my ($self, $type, @msg) = @_;
1151		1589
1152	$self->ns->ext_event ($type, %msg);	1590	$self->ns->ext_msg ($type, @msg);
1153	}	1591	}
1154		1592
1155	package cf;	1593	=head3 cf::region
		1594
		1595	=over 4
		1596
		1597	=cut
		1598
		1599	package cf::region;
		1600
		1601	=item cf::region::find_by_path $path
		1602
		1603	Tries to decuce the likely region for a map knowing only its path.
		1604
		1605	=cut
		1606
		1607	sub find_by_path($) {
		1608	my ($path) = @_;
		1609
		1610	my ($match, $specificity);
		1611
		1612	for my $region (list) {
		1613	if ($region->{match} && $path =~ $region->{match}) {
		1614	($match, $specificity) = ($region, $region->specificity)
		1615	if $region->specificity > $specificity;
		1616	}
		1617	}
		1618
		1619	$match
		1620	}
1156		1621
1157	=back	1622	=back
1158
1159		1623
1160	=head3 cf::map	1624	=head3 cf::map
1161		1625
1162	=over 4	1626	=over 4
1163		1627
…		…
1218	my ($self, $merge) = @_;	1682	my ($self, $merge) = @_;
1219		1683
1220	# we have to keep some variables in memory intact	1684	# we have to keep some variables in memory intact
1221	local $self->{path};	1685	local $self->{path};
1222	local $self->{load_path};	1686	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1687
1226	$self->SUPER::thawer_merge ($merge);	1688	$self->SUPER::thawer_merge ($merge);
1227	}	1689	}
1228		1690
1229	sub normalise {	1691	sub normalise {
…		…
1276	$self->init; # pass $1 etc.	1738	$self->init; # pass $1 etc.
1277	return $self;	1739	return $self;
1278	}	1740	}
1279	}	1741	}
1280		1742
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	1743	Carp::cluck "unable to resolve path '$path' (base '$base').";
1282	()	1744	()
1283	}	1745	}
1284		1746
1285	sub init {	1747	sub init {
1286	my ($self) = @_;	1748	my ($self) = @_;
…		…
1301		1763
1302	# the original (read-only) location	1764	# the original (read-only) location
1303	sub load_path {	1765	sub load_path {
1304	my ($self) = @_;	1766	my ($self) = @_;
1305		1767
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1768	"$MAPDIR/$self->{path}.map"
1307	}	1769	}
1308		1770
1309	# the temporary/swap location	1771	# the temporary/swap location
1310	sub save_path {	1772	sub save_path {
1311	my ($self) = @_;	1773	my ($self) = @_;
1312		1774
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1775	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1776	"$TMPDIR/$path.map"
1315	}	1777	}
1316		1778
1317	# the unique path, undef == no special unique path	1779	# the unique path, undef == no special unique path
1318	sub uniq_path {	1780	sub uniq_path {
1319	my ($self) = @_;	1781	my ($self) = @_;
1320		1782
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1783	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1784	"$UNIQUEDIR/$path"
1323	}	1785	}
1324		1786
1325	# and all this just because we cannot iterate over	1787	# and all this just because we cannot iterate over
1326	# all maps in C++...	1788	# all maps in C++...
1327	sub change_all_map_light {	1789	sub change_all_map_light {
…		…
1329		1791
1330	$_->change_map_light ($change)	1792	$_->change_map_light ($change)
1331	for grep $_->outdoor, values %cf::MAP;	1793	for grep $_->outdoor, values %cf::MAP;
1332	}	1794	}
1333		1795
		1796	sub decay_objects {
		1797	my ($self) = @_;
		1798
		1799	return if $self->{deny_reset};
		1800
		1801	$self->do_decay_objects;
		1802	}
		1803
1334	sub unlink_save {	1804	sub unlink_save {
1335	my ($self) = @_;	1805	my ($self) = @_;
1336		1806
1337	utf8::encode (my $save = $self->save_path);	1807	utf8::encode (my $save = $self->save_path);
1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1808	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1341		1811
1342	sub load_header_from($) {	1812	sub load_header_from($) {
1343	my ($self, $path) = @_;	1813	my ($self, $path) = @_;
1344		1814
1345	utf8::encode $path;	1815	utf8::encode $path;
1346	#aio_open $path, O_RDONLY, 0	1816	my $f = new_from_file cf::object::thawer $path
1347	# or return;
1348
1349	$self->_load_header ($path)
1350	or return;	1817	or return;
		1818
		1819	$self->_load_header ($f)
		1820	or return;
		1821
		1822	local $MAP_LOADING{$self->{path}} = $self;
		1823	$f->resolve_delayed_derefs;
1351		1824
1352	$self->{load_path} = $path;	1825	$self->{load_path} = $path;
1353		1826
1354	1	1827	1
1355	}	1828	}
…		…
1394	$self->load_header_orig	1867	$self->load_header_orig
1395	or return;	1868	or return;
1396	$self->prepare_orig;	1869	$self->prepare_orig;
1397	}	1870	}
1398		1871
		1872	$self->{deny_reset} = 1
		1873	if $self->no_reset;
		1874
		1875	$self->default_region (cf::region::find_by_path $self->{path})
		1876	unless $self->default_region;
		1877
1399	1	1878	1
1400	}	1879	}
1401		1880
1402	sub find;	1881	sub find;
1403	sub find {	1882	sub find {
1404	my ($path, $origin) = @_;	1883	my ($path, $origin) = @_;
1405		1884
1406	$path = normalise $path, $origin && $origin->path;	1885	$path = normalise $path, $origin && $origin->path;
1407		1886
		1887	cf::lock_wait "map_data:$path";#d#remove
1408	cf::lock_wait "map_find:$path";	1888	cf::lock_wait "map_find:$path";
1409		1889
1410	$cf::MAP{$path} || do {	1890	$cf::MAP{$path} || do {
1411	my $guard = cf::lock_acquire "map_find:$path";	1891	my $guard1 = cf::lock_acquire "map_find:$path";
		1892	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1893
1412	my $map = new_from_path cf::map $path	1894	my $map = new_from_path cf::map $path
1413	or return;	1895	or return;
1414		1896
1415	$map->{last_save} = $cf::RUNTIME;	1897	$map->{last_save} = $cf::RUNTIME;
1416		1898
1417	$map->load_header	1899	$map->load_header
1418	or return;	1900	or return;
1419		1901
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1902	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	1903	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	1904	#$cf::WAIT_FOR_TICK->wait;
		1905	undef $guard1;
		1906	undef $guard2;
1423	$map->reset;	1907	$map->reset;
1424	undef $guard;
1425	return find $path;	1908	return find $path;
1426	}	1909	}
1427		1910
1428	$cf::MAP{$path} = $map	1911	$cf::MAP{$path} = $map
1429	}	1912	}
…		…
1436	my ($self) = @_;	1919	my ($self) = @_;
1437		1920
1438	local $self->{deny_reset} = 1; # loading can take a long time	1921	local $self->{deny_reset} = 1; # loading can take a long time
1439		1922
1440	my $path = $self->{path};	1923	my $path = $self->{path};
		1924
		1925	{
1441	my $guard = cf::lock_acquire "map_load:$path";	1926	my $guard = cf::lock_acquire "map_data:$path";
1442		1927
		1928	return unless $self->valid;
1443	return if $self->in_memory != cf::MAP_SWAPPED;	1929	return unless $self->in_memory == cf::MAP_SWAPPED;
1444		1930
1445	$self->in_memory (cf::MAP_LOADING);	1931	$self->in_memory (cf::MAP_LOADING);
1446		1932
1447	$self->alloc;	1933	$self->alloc;
1448		1934
1449	$self->pre_load;	1935	$self->pre_load;
		1936	cf::cede_to_tick;
1450		1937
1451	$self->_load_objects ($self->{load_path}, 1)	1938	my $f = new_from_file cf::object::thawer $self->{load_path};
		1939	$f->skip_block;
		1940	$self->_load_objects ($f)
1452	or return;	1941	or return;
1453		1942
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1943	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1455	if delete $self->{load_original};	1944	if delete $self->{load_original};
1456		1945
1457	if (my $uniq = $self->uniq_path) {	1946	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	1947	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	1948	unless (aio_stat $uniq) {
		1949	if (my $f = new_from_file cf::object::thawer $uniq) {
1460	$self->clear_unique_items;	1950	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	1951	$self->_load_objects ($f);
		1952	$f->resolve_delayed_derefs;
		1953	}
1462	}	1954	}
1463	}	1955	}
1464		1956
1465	Coro::cede;	1957	$f->resolve_delayed_derefs;
1466		1958
		1959	cf::cede_to_tick;
1467	# now do the right thing for maps	1960	# now do the right thing for maps
1468	$self->link_multipart_objects;	1961	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;
1475	$self->set_darkness_map;
1476	$self->difficulty ($self->estimate_difficulty)	1962	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	1963	unless $self->difficulty;
1478	Coro::cede;	1964	cf::cede_to_tick;
		1965
		1966	unless ($self->{deny_activate}) {
		1967	$self->decay_objects;
		1968	$self->fix_auto_apply;
		1969	$self->update_buttons;
		1970	cf::cede_to_tick;
		1971	$self->set_darkness_map;
		1972	cf::cede_to_tick;
1479	$self->activate;	1973	$self->activate;
		1974	}
		1975
		1976	$self->{last_save} = $cf::RUNTIME;
		1977	$self->last_access ($cf::RUNTIME);
		1978
		1979	$self->in_memory (cf::MAP_IN_MEMORY);
1480	}	1980	}
1481		1981
1482	$self->post_load;	1982	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	1983	}
1486		1984
1487	sub customise_for {	1985	sub customise_for {
1488	my ($self, $ob) = @_;	1986	my ($self, $ob) = @_;
1489		1987
1490	return find "~" . $ob->name . "/" . $self->{path}	1988	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	1989	if $self->per_player;
1492		1990
		1991	# return find "?party/" . $ob->name . "/" . $self->{path}
		1992	# if $self->per_party;
		1993
1493	$self	1994	$self
1494	}	1995	}
1495		1996
1496	# find and load all maps in the 3x3 area around a map	1997	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {	1998	sub load_neighbours {
1498	my ($map) = @_;	1999	my ($map) = @_;
1499		2000
1500	my @diag; # diagonal neighbours	2001	my @neigh; # diagonal neighbours
1501		2002
1502	for (0 .. 3) {	2003	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)	2004	my $neigh = $map->tile_path ($_)
1504	or next;	2005	or next;
1505	$neigh = find $neigh, $map	2006	$neigh = find $neigh, $map
1506	or next;	2007	or next;
1507	$neigh->load;	2008	$neigh->load;
1508		2009
		2010	push @neigh,
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2011	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2012	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}	2013	}
1512		2014
1513	for (@diag) {	2015	for (grep defined $_->[0], @neigh) {
		2016	my ($path, $origin) = @$_;
1514	my $neigh = find @$_	2017	my $neigh = find $path, $origin
1515	or next;	2018	or next;
1516	$neigh->load;	2019	$neigh->load;
1517	}	2020	}
1518	}	2021	}
1519		2022
…		…
1524	}	2027	}
1525		2028
1526	sub do_load_sync {	2029	sub do_load_sync {
1527	my ($map) = @_;	2030	my ($map) = @_;
1528		2031
		2032	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2033	if $Coro::current == $Coro::main;
		2034
1529	cf::sync_job { $map->load };	2035	cf::sync_job { $map->load };
1530	}	2036	}
1531		2037
1532	our %MAP_PREFETCH;	2038	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	2039	our $MAP_PREFETCHER = undef;
1534		2040
1535	sub find_async {	2041	sub find_async {
1536	my ($path, $origin) = @_;	2042	my ($path, $origin, $load) = @_;
1537		2043
1538	$path = normalise $path, $origin && $origin->{path};	2044	$path = normalise $path, $origin && $origin->{path};
1539		2045
1540	if (my $map = $cf::MAP{$path}) {	2046	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2047	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1542	}	2048	}
1543		2049
1544	undef $MAP_PREFETCH{$path};	2050	$MAP_PREFETCH{$path} |= $load;
		2051
1545	$MAP_PREFETCHER ||= cf::async {	2052	$MAP_PREFETCHER ||= cf::async {
		2053	$Coro::current->{desc} = "map prefetcher";
		2054
1546	while (%MAP_PREFETCH) {	2055	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	2056	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	2057	if (my $map = find $k) {
1549	or next;
1550	$map->load;	2058	$map->load if $v;
		2059	}
1551		2060
1552	delete $MAP_PREFETCH{$path};	2061	delete $MAP_PREFETCH{$k};
1553	}	2062	}
1554	}	2063	}
1555	undef $MAP_PREFETCHER;	2064	undef $MAP_PREFETCHER;
1556	};	2065	};
1557	$MAP_PREFETCHER->prio (6);	2066	$MAP_PREFETCHER->prio (6);
…		…
1560	}	2069	}
1561		2070
1562	sub save {	2071	sub save {
1563	my ($self) = @_;	2072	my ($self) = @_;
1564		2073
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;	2074	my $lock = cf::lock_acquire "map_data:$self->{path}";
1566		2075
1567	$self->{last_save} = $cf::RUNTIME;	2076	$self->{last_save} = $cf::RUNTIME;
1568		2077
1569	return unless $self->dirty;	2078	return unless $self->dirty;
1570		2079
…		…
1576	return if $self->{deny_save};	2085	return if $self->{deny_save};
1577		2086
1578	local $self->{last_access} = $self->last_access;#d#	2087	local $self->{last_access} = $self->last_access;#d#
1579		2088
1580	cf::async {	2089	cf::async {
		2090	$Coro::current->{desc} = "map player save";
1581	$_->contr->save for $self->players;	2091	$_->contr->save for $self->players;
1582	};	2092	};
1583		2093
1584	if ($uniq) {	2094	if ($uniq) {
1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2095	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1593	my ($self) = @_;	2103	my ($self) = @_;
1594		2104
1595	# save first because save cedes	2105	# save first because save cedes
1596	$self->save;	2106	$self->save;
1597		2107
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2108	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2109
1600	return if $self->players;	2110	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;	2111	return if $self->in_memory != cf::MAP_IN_MEMORY;
1602	return if $self->{deny_save};	2112	return if $self->{deny_save};
1603		2113
		2114	$self->in_memory (cf::MAP_SWAPPED);
		2115
		2116	$self->deactivate;
		2117	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2118	$self->clear;
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	}	2119	}
1607		2120
1608	sub reset_at {	2121	sub reset_at {
1609	my ($self) = @_;	2122	my ($self) = @_;
1610		2123
1611	# TODO: safety, remove and allow resettable per-player maps	2124	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2125	return 1e99 if $self->{deny_reset};
1614		2126
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2127	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2128	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2129
…		…
1628	my ($self) = @_;	2140	my ($self) = @_;
1629		2141
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2143
1632	return if $self->players;	2144	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2145
1635	warn "resetting map ", $self->path;#d#	2146	warn "resetting map ", $self->path;
1636		2147
1637	$self->in_memory (cf::MAP_SWAPPED);	2148	$self->in_memory (cf::MAP_SWAPPED);
1638		2149
1639	# need to save uniques path	2150	# need to save uniques path
1640	unless ($self->{deny_save}) {	2151	unless ($self->{deny_save}) {
…		…
1644	if $uniq;	2155	if $uniq;
1645	}	2156	}
1646		2157
1647	delete $cf::MAP{$self->path};	2158	delete $cf::MAP{$self->path};
1648		2159
		2160	$self->deactivate;
		2161	$_->clear_links_to ($self) for values %cf::MAP;
1649	$self->clear;	2162	$self->clear;
1650
1651	$_->clear_links_to ($self) for values %cf::MAP;
1652		2163
1653	$self->unlink_save;	2164	$self->unlink_save;
1654	$self->destroy;	2165	$self->destroy;
1655	}	2166	}
1656		2167
1657	my $nuke_counter = "aaaa";	2168	my $nuke_counter = "aaaa";
1658		2169
1659	sub nuke {	2170	sub nuke {
1660	my ($self) = @_;	2171	my ($self) = @_;
1661		2172
		2173	{
		2174	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2175
1662	delete $cf::MAP{$self->path};	2176	delete $cf::MAP{$self->path};
1663		2177
1664	$self->unlink_save;	2178	$self->unlink_save;
1665		2179
1666	bless $self, "cf::map";	2180	bless $self, "cf::map";
1667	delete $self->{deny_reset};	2181	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2182	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2183	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2184	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2185
1672	$cf::MAP{$self->path} = $self;	2186	$cf::MAP{$self->path} = $self;
		2187	}
1673		2188
1674	$self->reset; # polite request, might not happen	2189	$self->reset; # polite request, might not happen
		2190	}
		2191
		2192	=item $maps = cf::map::tmp_maps
		2193
		2194	Returns an arrayref with all map paths of currently instantiated and saved
		2195	maps. May block.
		2196
		2197	=cut
		2198
		2199	sub tmp_maps() {
		2200	[
		2201	map {
		2202	utf8::decode $_;
		2203	/\.map$/
		2204	? normalise $_
		2205	: ()
		2206	} @{ aio_readdir $TMPDIR or [] }
		2207	]
		2208	}
		2209
		2210	=item $maps = cf::map::random_maps
		2211
		2212	Returns an arrayref with all map paths of currently instantiated and saved
		2213	random maps. May block.
		2214
		2215	=cut
		2216
		2217	sub random_maps() {
		2218	[
		2219	map {
		2220	utf8::decode $_;
		2221	/\.map$/
		2222	? normalise "?random/$_"
		2223	: ()
		2224	} @{ aio_readdir $RANDOMDIR or [] }
		2225	]
1675	}	2226	}
1676		2227
1677	=item cf::map::unique_maps	2228	=item cf::map::unique_maps
1678		2229
1679	Returns an arrayref of paths of all shared maps that have	2230	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2231	instantiated unique items. May block.
1681		2232
1682	=cut	2233	=cut
1683		2234
1684	sub unique_maps() {	2235	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2236	[
1686	or return;	2237	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2238	utf8::decode $_;
1692	next if /\.pst$/;	2239	/\.map$/
1693	next unless /^$PATH_SEP/o;	2240	? normalise $_
1694		2241	: ()
1695	push @paths, cf::map::normalise $_;	2242	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2243	]
1697
1698	\@paths
1699	}	2244	}
1700		2245
1701	package cf;	2246	package cf;
1702		2247
1703	=back	2248	=back
…		…
1721	map { $_, inv_recursive_ $_->inv } @_	2266	map { $_, inv_recursive_ $_->inv } @_
1722	}	2267	}
1723		2268
1724	sub inv_recursive {	2269	sub inv_recursive {
1725	inv_recursive_ inv $_[0]	2270	inv_recursive_ inv $_[0]
		2271	}
		2272
		2273	=item $ref = $ob->ref
		2274
		2275	creates and returns a persistent reference to an objetc that can be stored as a string.
		2276
		2277	=item $ob = cf::object::deref ($refstring)
		2278
		2279	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2280	even if the object actually exists. May block.
		2281
		2282	=cut
		2283
		2284	sub deref {
		2285	my ($ref) = @_;
		2286
		2287	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2288	my ($uuid, $name) = ($1, $2);
		2289	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2290	or return;
		2291	$pl->ob->uuid eq $uuid
		2292	or return;
		2293
		2294	$pl->ob
		2295	} else {
		2296	warn "$ref: cannot resolve object reference\n";
		2297	undef
		2298	}
1726	}	2299	}
1727		2300
1728	package cf;	2301	package cf;
1729		2302
1730	=back	2303	=back
…		…
1749		2322
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2323	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2324
1752	if ($self->{record_replies}) {	2325	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2326	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2327
1754	} else {	2328	} else {
		2329	my $pl = $self->contr;
		2330
		2331	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2332	my $dialog = $pl->{npc_dialog};
		2333	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2334
		2335	} else {
1755	$msg = $npc->name . " says: $msg" if $npc;	2336	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2337	$self->message ($msg, $flags);
		2338	}
1757	}	2339	}
		2340	}
		2341
		2342	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2343
		2344	=cut
		2345
		2346	sub cf::object::send_msg {
		2347	my $pl = shift->contr
		2348	or return;
		2349	$pl->send_msg (@_);
1758	}	2350	}
1759		2351
1760	=item $player_object->may ("access")	2352	=item $player_object->may ("access")
1761		2353
1762	Returns wether the given player is authorized to access resource "access"	2354	Returns wether the given player is authorized to access resource "access"
…		…
1809	$self->deactivate_recursive;	2401	$self->deactivate_recursive;
1810		2402
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2403	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2404
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2405	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2406	if $self->map && $self->map->{path} ne "{link}";
1815		2407
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2408	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1817	}	2409	}
1818		2410
1819	sub cf::object::player::leave_link {	2411	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2412	my ($self, $map, $x, $y) = @_;
		2413
		2414	return unless $self->contr->active;
1821		2415
1822	my $link_pos = delete $self->{_link_pos};	2416	my $link_pos = delete $self->{_link_pos};
1823		2417
1824	unless ($map) {	2418	unless ($map) {
1825	# restore original map position	2419	# restore original map position
…		…
1839	# use -1 or undef as default coordinates, not 0, 0	2433	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2434	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2435	if $x <=0 && $y <= 0;
1842		2436
1843	$map->load;	2437	$map->load;
1844	$map->load_diag;	2438	$map->load_neighbours;
1845		2439
1846	return unless $self->contr->active;	2440	return unless $self->contr->active;
1847	$self->activate_recursive;	2441	$self->activate_recursive;
1848		2442
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2443	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2444	$self->enter_map ($map, $x, $y);
1851	}	2445	}
1852		2446
1853	cf::player->attach (	2447	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1854	on_logout => sub {
1855	my ($pl) = @_;
1856		2448
1857	# abort map switching before logout	2449	Moves the player to the given map-path and coordinates by first freezing
1858	if ($pl->ob->{_link_pos}) {	2450	her, loading and preparing them map, calling the provided $check callback
1859	cf::sync_job {	2451	that has to return the map if sucecssful, and then unfreezes the player on
1860	$pl->ob->leave_link	2452	the new (success) or old (failed) map position. In either case, $done will
1861	};	2453	be called at the end of this process.
1862	}
1863	},
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2454
1867	# try to abort aborted map switching on player login :)
1868	# should happen only on crashes
1869	if ($pl->ob->{_link_pos}) {
1870	$pl->ob->enter_link;
1871	(async {
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884
1885	=item $player_object->goto ($path, $x, $y)
1886
1887	=cut	2455	=cut
		2456
		2457	our $GOTOGEN;
1888		2458
1889	sub cf::object::player::goto {	2459	sub cf::object::player::goto {
1890	my ($self, $path, $x, $y) = @_;	2460	my ($self, $path, $x, $y, $check, $done) = @_;
		2461
		2462	# do generation counting so two concurrent goto's will be executed in-order
		2463	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1891		2464
1892	$self->enter_link;	2465	$self->enter_link;
1893		2466
1894	(async {	2467	(async {
		2468	$Coro::current->{desc} = "player::goto $path $x $y";
		2469
		2470	# *tag paths override both path and x|y
		2471	if ($path =~ /^\*(.*)$/) {
		2472	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2473	my $ob = $obs[rand @obs];
		2474
		2475	# see if we actually can go there
		2476	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2477	$ob = $obs[rand @obs];
		2478	} else {
		2479	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2480	}
		2481	# else put us there anyways for now #d#
		2482
		2483	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2484	} else {
		2485	($path, $x, $y) = (undef, undef, undef);
		2486	}
		2487	}
		2488
1895	my $map = eval {	2489	my $map = eval {
1896	my $map = cf::map::find $path;	2490	my $map = defined $path ? cf::map::find $path : undef;
		2491
		2492	if ($map) {
1897	$map = $map->customise_for ($self) if $map;	2493	$map = $map->customise_for ($self);
		2494	$map = $check->($map) if $check && $map;
		2495	} else {
		2496	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	}
		2498
1898	$map	2499	$map
		2500	};
		2501
		2502	if ($@) {
		2503	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2504	LOG llevError | logBacktrace, Carp::longmess $@;
1899	} or	2505	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2506
		2507	if ($gen == $self->{_goto_generation}) {
		2508	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2509	$self->leave_link ($map, $x, $y);
		2510	}
		2511
		2512	$done->() if $done;
1903	})->prio (1);	2513	})->prio (1);
1904	}	2514	}
1905		2515
1906	=item $player_object->enter_exit ($exit_object)	2516	=item $player_object->enter_exit ($exit_object)
1907		2517
…		…
1946		2556
1947	$rmp->{random_seed} ||= $exit->random_seed;	2557	$rmp->{random_seed} ||= $exit->random_seed;
1948		2558
1949	my $data = cf::to_json $rmp;	2559	my $data = cf::to_json $rmp;
1950	my $md5 = Digest::MD5::md5_hex $data;	2560	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2561	my $meta = "$RANDOMDIR/$md5.meta";
1952		2562
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2563	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2564	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2565	undef $fh;
1956	aio_rename "$meta~", $meta;	2566	aio_rename "$meta~", $meta;
…		…
1976	my $hp = $exit->stats->hp;	2586	my $hp = $exit->stats->hp;
1977	my $sp = $exit->stats->sp;	2587	my $sp = $exit->stats->sp;
1978		2588
1979	$self->enter_link;	2589	$self->enter_link;
1980		2590
		2591	# if exit is damned, update players death & WoR home-position
		2592	$self->contr->savebed ($slaying, $hp, $sp)
		2593	if $exit->flag (FLAG_DAMNED);
		2594
1981	(async {	2595	(async {
		2596	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2597
1982	$self->deactivate_recursive; # just to be sure	2598	$self->deactivate_recursive; # just to be sure
1983	unless (eval {	2599	unless (eval {
1984	$self->goto ($slaying, $hp, $sp);	2600	$self->goto ($slaying, $hp, $sp);
1985		2601
1986	1;	2602	1;
…		…
2012		2628
2013	utf8::encode $text;	2629	utf8::encode $text;
2014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2630	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2015	}	2631	}
2016		2632
		2633	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2634
		2635	Send a drawinfo or msg packet to the client, formatting the msg for the
		2636	client if neccessary. C<$type> should be a string identifying the type of
		2637	the message, with C<log> being the default. If C<$color> is negative, suppress
		2638	the message unless the client supports the msg packet.
		2639
		2640	=cut
		2641
		2642	our %CHANNEL = (
		2643	"c/identify" => {
		2644	id => "infobox",
		2645	title => "Identify",
		2646	reply => undef,
		2647	tooltip => "Items recently identified",
		2648	},
		2649	"c/examine" => {
		2650	id => "infobox",
		2651	title => "Examine",
		2652	reply => undef,
		2653	tooltip => "Signs and other items you examined",
		2654	},
		2655	"c/lookat" => {
		2656	id => "infobox",
		2657	title => "Look",
		2658	reply => undef,
		2659	tooltip => "What you saw there",
		2660	},
		2661	);
		2662
		2663	sub cf::client::send_msg {
		2664	my ($self, $channel, $msg, $color, @extra) = @_;
		2665
		2666	$msg = $self->pl->expand_cfpod ($msg);
		2667
		2668	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2669
		2670	# check predefined channels, for the benefit of C
		2671	if ($CHANNEL{$channel}) {
		2672	$channel = $CHANNEL{$channel};
		2673
		2674	$self->ext_msg (channel_info => $channel)
		2675	if $self->can_msg;
		2676
		2677	$channel = $channel->{id};
		2678
		2679	} elsif (ref $channel) {
		2680	# send meta info to client, if not yet sent
		2681	unless (exists $self->{channel}{$channel->{id}}) {
		2682	$self->{channel}{$channel->{id}} = $channel;
		2683	$self->ext_msg (channel_info => $channel)
		2684	if $self->can_msg;
		2685	}
		2686
		2687	$channel = $channel->{id};
		2688	}
		2689
		2690	return unless @extra || length $msg;
		2691
		2692	if ($self->can_msg) {
		2693	# default colour, mask it out
		2694	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2695	if $color & cf::NDI_DEF;
		2696
		2697	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2698	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2699	} else {
		2700	if ($color >= 0) {
		2701	# replace some tags by gcfclient-compatible ones
		2702	for ($msg) {
		2703	1 while
		2704	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2705	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2706	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2707	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2708	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2709	}
		2710
		2711	$color &= cf::NDI_COLOR_MASK;
		2712
		2713	utf8::encode $msg;
		2714
		2715	if (0 && $msg =~ /\[/) {
		2716	# COMMAND/INFO
		2717	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2718	} else {
		2719	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2720	$self->send_packet ("drawinfo $color $msg")
		2721	}
		2722	}
		2723	}
		2724	}
		2725
2017	=item $client->ext_event ($type, %msg)	2726	=item $client->ext_msg ($type, @msg)
2018		2727
2019	Sends an exti event to the client.	2728	Sends an ext event to the client.
2020		2729
2021	=cut	2730	=cut
2022		2731
2023	sub cf::client::ext_event($$%) {	2732	sub cf::client::ext_msg($$@) {
2024	my ($self, $type, %msg) = @_;	2733	my ($self, $type, @msg) = @_;
2025		2734
		2735	if ($self->extcmd == 2) {
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2737	} elsif ($self->extcmd == 1) { # TODO: remove
2026	$msg{msgtype} = "event_$type";	2738	push @msg, msgtype => "event_$type";
2027	$self->send_packet ("ext " . cf::to_json \%msg);	2739	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2740	}
		2741	}
		2742
		2743	=item $client->ext_reply ($msgid, @msg)
		2744
		2745	Sends an ext reply to the client.
		2746
		2747	=cut
		2748
		2749	sub cf::client::ext_reply($$@) {
		2750	my ($self, $id, @msg) = @_;
		2751
		2752	if ($self->extcmd == 2) {
		2753	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2754	} elsif ($self->extcmd == 1) {
		2755	#TODO: version 1, remove
		2756	unshift @msg, msgtype => "reply", msgid => $id;
		2757	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2758	}
2028	}	2759	}
2029		2760
2030	=item $success = $client->query ($flags, "text", \&cb)	2761	=item $success = $client->query ($flags, "text", \&cb)
2031		2762
2032	Queues a query to the client, calling the given callback with	2763	Queues a query to the client, calling the given callback with
2033	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2764	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2034	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2765	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2035		2766
2036	Queries can fail, so check the return code. Or don't, as queries will become	2767	Queries can fail, so check the return code. Or don't, as queries will
2037	reliable at some point in the future.	2768	become reliable at some point in the future.
2038		2769
2039	=cut	2770	=cut
2040		2771
2041	sub cf::client::query {	2772	sub cf::client::query {
2042	my ($self, $flags, $text, $cb) = @_;	2773	my ($self, $flags, $text, $cb) = @_;
…		…
2050	utf8::encode $text;	2781	utf8::encode $text;
2051	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2782	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2052		2783
2053	$self->send_packet ($self->{query_queue}[0][0])	2784	$self->send_packet ($self->{query_queue}[0][0])
2054	if @{ $self->{query_queue} } == 1;	2785	if @{ $self->{query_queue} } == 1;
		2786
		2787	1
2055	}	2788	}
2056		2789
2057	cf::client->attach (	2790	cf::client->attach (
		2791	on_connect => sub {
		2792	my ($ns) = @_;
		2793
		2794	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2795	},
2058	on_reply => sub {	2796	on_reply => sub {
2059	my ($ns, $msg) = @_;	2797	my ($ns, $msg) = @_;
2060		2798
2061	# this weird shuffling is so that direct followup queries	2799	# this weird shuffling is so that direct followup queries
2062	# get handled first	2800	# get handled first
…		…
2074	} else {	2812	} else {
2075	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2813	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2076	}	2814	}
2077	}	2815	}
2078	},	2816	},
		2817	on_exticmd => sub {
		2818	my ($ns, $buf) = @_;
		2819
		2820	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2821
		2822	if (ref $msg) {
		2823	my ($type, $reply, @payload) =
		2824	"ARRAY" eq ref $msg
		2825	? @$msg
		2826	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2827
		2828	my @reply;
		2829
		2830	if (my $cb = $EXTICMD{$type}) {
		2831	@reply = $cb->($ns, @payload);
		2832	}
		2833
		2834	$ns->ext_reply ($reply, @reply)
		2835	if $reply;
		2836
		2837	} else {
		2838	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2839	}
		2840
		2841	cf::override;
		2842	},
2079	);	2843	);
2080		2844
2081	=item $client->async (\&cb)	2845	=item $client->async (\&cb)
2082		2846
2083	Create a new coroutine, running the specified callback. The coroutine will	2847	Create a new coroutine, running the specified callback. The coroutine will
…		…
2124	our $safe = new Safe "safe";	2888	our $safe = new Safe "safe";
2125	our $safe_hole = new Safe::Hole;	2889	our $safe_hole = new Safe::Hole;
2126		2890
2127	$SIG{FPE} = 'IGNORE';	2891	$SIG{FPE} = 'IGNORE';
2128		2892
2129	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2893	$safe->permit_only (Opcode::opset qw(
		2894	:base_core :base_mem :base_orig :base_math
		2895	grepstart grepwhile mapstart mapwhile
		2896	sort time
		2897	));
2130		2898
2131	# here we export the classes and methods available to script code	2899	# here we export the classes and methods available to script code
2132		2900
2133	=pod	2901	=pod
2134		2902
2135	The following functions and methods are available within a safe environment:	2903	The following functions and methods are available within a safe environment:
2136		2904
2137	cf::object contr pay_amount pay_player map	2905	cf::object
		2906	contr pay_amount pay_player map x y force_find force_add destroy
		2907	insert remove name archname title slaying race decrease_ob_nr
		2908
2138	cf::object::player player	2909	cf::object::player
2139	cf::player peaceful	2910	player
2140	cf::map trigger	2911
		2912	cf::player
		2913	peaceful
		2914
		2915	cf::map
		2916	trigger
2141		2917
2142	=cut	2918	=cut
2143		2919
2144	for (	2920	for (
2145	["cf::object" => qw(contr pay_amount pay_player map)],	2921	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2922	insert remove inv name archname title slaying race
		2923	decrease_ob_nr destroy)],
2146	["cf::object::player" => qw(player)],	2924	["cf::object::player" => qw(player)],
2147	["cf::player" => qw(peaceful)],	2925	["cf::player" => qw(peaceful)],
2148	["cf::map" => qw(trigger)],	2926	["cf::map" => qw(trigger)],
2149	) {	2927	) {
2150	no strict 'refs';	2928	no strict 'refs';
…		…
2221	=back	2999	=back
2222		3000
2223	=cut	3001	=cut
2224		3002
2225	#############################################################################	3003	#############################################################################
2226
2227	=head2 EXTENSION DATABASE SUPPORT
2228
2229	Crossfire maintains a very simple database for extension use. It can
2230	currently store anything that can be serialised using Storable, which
2231	excludes objects.
2232
2233	The parameter C<$family> should best start with the name of the extension
2234	using it, it should be unique.
2235
2236	=over 4
2237
2238	=item $value = cf::db_get $family => $key
2239
2240	Returns a single value from the database.
2241
2242	=item cf::db_put $family => $key => $value
2243
2244	Stores the given C<$value> in the family.
2245
2246	=cut
2247
2248	our $DB;
2249
2250	sub db_init {
2251	unless ($DB) {
2252	$DB = BDB::db_create $DB_ENV;
2253
2254	cf::sync_job {
2255	eval {
2256	$DB->set_flags (BDB::CHKSUM);
2257
2258	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2259	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2260	cf::cleanup "db_open(db): $!" if $!;
2261	};
2262	cf::cleanup "db_open(db): $@" if $@;
2263	};
2264
2265	my $path = cf::localdir . "/database.pst";
2266	if (stat $path) {
2267	cf::sync_job {
2268	my $pst = Storable::retrieve $path;
2269
2270	cf::db_put (board => data => $pst->{board});
2271	cf::db_put (guildrules => data => $pst->{guildrules});
2272	cf::db_put (rent => balance => $pst->{rent}{balance});
2273	BDB::db_env_txn_checkpoint $DB_ENV;
2274
2275	unlink $path;
2276	};
2277	}
2278	}
2279	}
2280
2281	sub db_get($$) {
2282	my $key = "$_[0]/$_[1]";
2283
2284	cf::sync_job {
2285	BDB::db_get $DB, undef, $key, my $data;
2286
2287	$! ? ()
2288	: Compress::LZF::sthaw $data
2289	}
2290	}
2291
2292	sub db_put($$$) {
2293	BDB::dbreq_pri 4;
2294	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2295	}
2296
2297	#############################################################################
2298	# the server's init and main functions	3004	# the server's init and main functions
2299		3005
2300	sub load_facedata {	3006	sub load_facedata($) {
2301	my $path = sprintf "%s/facedata", cf::datadir;	3007	my ($path) = @_;
		3008
		3009	# HACK to clear player env face cache, we need some signal framework
		3010	# for this (global event?)
		3011	%ext::player_env::MUSIC_FACE_CACHE = ();
		3012
		3013	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2302		3014
2303	warn "loading facedata from $path\n";	3015	warn "loading facedata from $path\n";
2304		3016
2305	my $faces;	3017	my $facedata;
2306	0 < aio_load $path, $faces	3018	0 < aio_load $path, $facedata
2307	or die "$path: $!";	3019	or die "$path: $!";
2308		3020
2309	Coro::cede;
2310	$faces = Storable::thaw $faces;	3021	$facedata = Coro::Storable::thaw $facedata;
2311	Coro::cede;
2312		3022
2313	my $meta = delete $faces->{""};
2314	$meta->{version} == 1	3023	$facedata->{version} == 2
2315	or cf::cleanup "$path: version mismatch, cannot proceed.";	3024	or cf::cleanup "$path: version mismatch, cannot proceed.";
2316		3025
		3026	# patch in the exptable
		3027	$facedata->{resource}{"res/exp_table"} = {
		3028	type => FT_RSRC,
		3029	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3030	};
		3031	cf::cede_to_tick;
		3032
		3033	{
		3034	my $faces = $facedata->{faceinfo};
		3035
2317	while (my ($face, $info) = each %$faces) {	3036	while (my ($face, $info) = each %$faces) {
2318	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3037	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2319	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3038	cf::face::set_visibility $idx, $info->{visibility};
		3039	cf::face::set_magicmap $idx, $info->{magicmap};
2320	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3040	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2321	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3041	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2322	Coro::cede;
2323	}
2324		3042
		3043	cf::cede_to_tick;
		3044	}
		3045
2325	while (my ($face, $info) = each %$faces) {	3046	while (my ($face, $info) = each %$faces) {
2326	next unless $info->{smooth};	3047	next unless $info->{smooth};
2327	my $idx = cf::face::find $face	3048	my $idx = cf::face::find $face
2328	or next;	3049	or next;
2329	if (my $smooth = cf::face::find $info->{smooth}) {	3050	if (my $smooth = cf::face::find $info->{smooth}) {
2330	cf::face::set_smooth $idx, $smooth;	3051	cf::face::set_smooth $idx, $smooth;
		3052	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2331	} else {	3053	} else {
2332	warn "smooth face '$info->{smooth}' not found for face '$face'";	3054	warn "smooth face '$info->{smooth}' not found for face '$face'";
2333	}	3055	}
2334	Coro::cede;	3056
		3057	cf::cede_to_tick;
		3058	}
		3059	}
		3060
		3061	{
		3062	my $anims = $facedata->{animinfo};
		3063
		3064	while (my ($anim, $info) = each %$anims) {
		3065	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3066	cf::cede_to_tick;
		3067	}
		3068
		3069	cf::anim::invalidate_all; # d'oh
		3070	}
		3071
		3072	{
		3073	# TODO: for gcfclient pleasure, we should give resources
		3074	# that gcfclient doesn't grok a >10000 face index.
		3075	my $res = $facedata->{resource};
		3076
		3077	my $soundconf = delete $res->{"res/sound.conf"};
		3078
		3079	while (my ($name, $info) = each %$res) {
		3080	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3081	my $data;
		3082
		3083	if ($info->{type} & 1) {
		3084	# prepend meta info
		3085
		3086	my $meta = $enc->encode ({
		3087	name => $name,
		3088	%{ $info->{meta} || {} },
		3089	});
		3090
		3091	$data = pack "(w/a*)*", $meta, $info->{data};
		3092	} else {
		3093	$data = $info->{data};
		3094	}
		3095
		3096	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3097	cf::face::set_type $idx, $info->{type};
		3098
		3099	cf::cede_to_tick;
		3100	}
		3101
		3102	if ($soundconf) {
		3103	$soundconf = $enc->decode (delete $soundconf->{data});
		3104
		3105	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3106	my $sound = $soundconf->{compat}[$_]
		3107	or next;
		3108
		3109	my $face = cf::face::find "sound/$sound->[1]";
		3110	cf::sound::set $sound->[0] => $face;
		3111	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3112	}
		3113
		3114	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3115	my $face = cf::face::find "sound/$v";
		3116	cf::sound::set $k => $face;
		3117	}
		3118	}
2335	}	3119	}
2336		3120
2337	1	3121	1
2338	}	3122	}
2339		3123
		3124	register_exticmd fx_want => sub {
		3125	my ($ns, $want) = @_;
		3126
		3127	while (my ($k, $v) = each %$want) {
		3128	$ns->fx_want ($k, $v);
		3129	}
		3130	};
		3131
		3132	sub reload_regions {
		3133	# HACK to clear player env face cache, we need some signal framework
		3134	# for this (global event?)
		3135	%ext::player_env::MUSIC_FACE_CACHE = ();
		3136
		3137	load_resource_file "$MAPDIR/regions"
		3138	or die "unable to load regions file\n";
		3139
		3140	for (cf::region::list) {
		3141	$_->{match} = qr/$_->{match}/
		3142	if exists $_->{match};
		3143	}
		3144	}
		3145
		3146	sub reload_facedata {
		3147	load_facedata "$DATADIR/facedata"
		3148	or die "unable to load facedata\n";
		3149	}
		3150
		3151	sub reload_archetypes {
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
		3154	#d# NEED to laod twice to resolve forward references
		3155	# this really needs to be done in an extra post-pass
		3156	# (which needs to be synchronous, so solve it differently)
		3157	load_resource_file "$DATADIR/archetypes"
		3158	or die "unable to load archetypes\n";
		3159	}
		3160
		3161	sub reload_treasures {
		3162	load_resource_file "$DATADIR/treasures"
		3163	or die "unable to load treasurelists\n";
		3164	}
		3165
2340	sub reload_resources {	3166	sub reload_resources {
2341	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3167	warn "reloading resource files...\n";
2342	or die "unable to load regions file\n";#d#	3168
		3169	reload_regions;
2343	load_facedata	3170	reload_facedata;
2344	or die "unable to load facedata\n";#d#	3171	#reload_archetypes;#d#
		3172	reload_archetypes;
		3173	reload_treasures;
		3174
		3175	warn "finished reloading resource files\n";
2345	}	3176	}
2346		3177
2347	sub init {	3178	sub init {
2348	reload_resources;	3179	reload_resources;
2349	}	3180	}
2350		3181
2351	sub cfg_load {	3182	sub reload_config {
2352	open my $fh, "<:utf8", cf::confdir . "/config"	3183	open my $fh, "<:utf8", "$CONFDIR/config"
2353	or return;	3184	or return;
2354		3185
2355	local $/;	3186	local $/;
2356	*CFG = YAML::Syck::Load <$fh>;	3187	*CFG = YAML::Syck::Load <$fh>;
2357		3188
…		…
2372	sub main {	3203	sub main {
2373	# we must not ever block the main coroutine	3204	# we must not ever block the main coroutine
2374	local $Coro::idle = sub {	3205	local $Coro::idle = sub {
2375	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3206	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2376	(async {	3207	(async {
		3208	$Coro::current->{desc} = "IDLE BUG HANDLER";
2377	Event::one_event;	3209	Event::one_event;
2378	})->prio (Coro::PRIO_MAX);	3210	})->prio (Coro::PRIO_MAX);
2379	};	3211	};
2380		3212
2381	cfg_load;	3213	reload_config;
2382	db_init;	3214	db_init;
2383	load_extensions;	3215	load_extensions;
2384		3216
2385	$TICK_WATCHER->start;	3217	$TICK_WATCHER->start;
2386	Event::loop;	3218	Event::loop;
…		…
2402	},	3234	},
2403	);	3235	);
2404	}	3236	}
2405	}	3237	}
2406		3238
		3239	sub write_runtime {
		3240	my $runtime = "$LOCALDIR/runtime";
		3241
		3242	# first touch the runtime file to show we are still running:
		3243	# the fsync below can take a very very long time.
		3244
		3245	IO::AIO::aio_utime $runtime, undef, undef;
		3246
		3247	my $guard = cf::lock_acquire "write_runtime";
		3248
		3249	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3250	or return;
		3251
		3252	my $value = $cf::RUNTIME + 90 + 10;
		3253	# 10 is the runtime save interval, for a monotonic clock
		3254	# 60 allows for the watchdog to kill the server.
		3255
		3256	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3257	and return;
		3258
		3259	# always fsync - this file is important
		3260	aio_fsync $fh
		3261	and return;
		3262
		3263	# touch it again to show we are up-to-date
		3264	aio_utime $fh, undef, undef;
		3265
		3266	close $fh
		3267	or return;
		3268
		3269	aio_rename "$runtime~", $runtime
		3270	and return;
		3271
		3272	warn "runtime file written.\n";
		3273
		3274	1
		3275	}
		3276
2407	sub emergency_save() {	3277	sub emergency_save() {
2408	my $freeze_guard = cf::freeze_mainloop;	3278	my $freeze_guard = cf::freeze_mainloop;
2409		3279
2410	warn "enter emergency perl save\n";	3280	warn "enter emergency perl save\n";
2411		3281
…		…
2415	# and maps saved/destroyed asynchronously.	3285	# and maps saved/destroyed asynchronously.
2416	warn "begin emergency player save\n";	3286	warn "begin emergency player save\n";
2417	for my $login (keys %cf::PLAYER) {	3287	for my $login (keys %cf::PLAYER) {
2418	my $pl = $cf::PLAYER{$login} or next;	3288	my $pl = $cf::PLAYER{$login} or next;
2419	$pl->valid or next;	3289	$pl->valid or next;
		3290	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2420	$pl->save;	3291	$pl->save;
2421	}	3292	}
2422	warn "end emergency player save\n";	3293	warn "end emergency player save\n";
2423		3294
2424	warn "begin emergency map save\n";	3295	warn "begin emergency map save\n";
…		…
2442		3313
2443	warn Carp::longmess "post_cleanup backtrace"	3314	warn Carp::longmess "post_cleanup backtrace"
2444	if $make_core;	3315	if $make_core;
2445	}	3316	}
2446		3317
2447	sub reload() {	3318	sub do_reload_perl() {
2448	# can/must only be called in main	3319	# can/must only be called in main
2449	if ($Coro::current != $Coro::main) {	3320	if ($Coro::current != $Coro::main) {
2450	warn "can only reload from main coroutine";	3321	warn "can only reload from main coroutine";
2451	return;	3322	return;
2452	}	3323	}
…		…
2486	%EXT_CORO = ();	3357	%EXT_CORO = ();
2487		3358
2488	warn "removing commands";	3359	warn "removing commands";
2489	%COMMAND = ();	3360	%COMMAND = ();
2490		3361
2491	warn "removing ext commands";	3362	warn "removing ext/exti commands";
2492	%EXTCMD = ();	3363	%EXTCMD = ();
		3364	%EXTICMD = ();
2493		3365
2494	warn "unloading/nuking all extensions";	3366	warn "unloading/nuking all extensions";
2495	for my $pkg (@EXTS) {	3367	for my $pkg (@EXTS) {
2496	warn "... unloading $pkg";	3368	warn "... unloading $pkg";
2497		3369
…		…
2527	Symbol::delete_package "safe::$_"	3399	Symbol::delete_package "safe::$_"
2528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3400	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2529		3401
2530	warn "unloading cf.pm \"a bit\"";	3402	warn "unloading cf.pm \"a bit\"";
2531	delete $INC{"cf.pm"};	3403	delete $INC{"cf.pm"};
		3404	delete $INC{"cf/pod.pm"};
2532		3405
2533	# don't, removes xs symbols, too,	3406	# don't, removes xs symbols, too,
2534	# and global variables created in xs	3407	# and global variables created in xs
2535	#Symbol::delete_package __PACKAGE__;	3408	#Symbol::delete_package __PACKAGE__;
2536		3409
…		…
2539	warn "reloading cf.pm";	3412	warn "reloading cf.pm";
2540	require cf;	3413	require cf;
2541	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3414	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2542		3415
2543	warn "loading config and database again";	3416	warn "loading config and database again";
2544	cf::cfg_load;	3417	cf::reload_config;
2545		3418
2546	warn "loading extensions";	3419	warn "loading extensions";
2547	cf::load_extensions;	3420	cf::load_extensions;
2548		3421
2549	warn "reattaching attachments to objects/players";	3422	warn "reattaching attachments to objects/players";
…		…
2551	warn "reattaching attachments to maps";	3424	warn "reattaching attachments to maps";
2552	reattach $_ for values %MAP;	3425	reattach $_ for values %MAP;
2553	warn "reattaching attachments to players";	3426	warn "reattaching attachments to players";
2554	reattach $_ for values %PLAYER;	3427	reattach $_ for values %PLAYER;
2555		3428
2556	warn "loading reloadable resources";
2557	reload_resources;
2558
2559	warn "leaving sync_job";	3429	warn "leaving sync_job";
2560		3430
2561	1	3431	1
2562	} or do {	3432	} or do {
2563	warn $@;	3433	warn $@;
…		…
2568	warn "reloaded";	3438	warn "reloaded";
2569	};	3439	};
2570		3440
2571	our $RELOAD_WATCHER; # used only during reload	3441	our $RELOAD_WATCHER; # used only during reload
2572		3442
		3443	sub reload_perl() {
		3444	# doing reload synchronously and two reloads happen back-to-back,
		3445	# coro crashes during coro_state_free->destroy here.
		3446
		3447	$RELOAD_WATCHER ||= Event->timer (
		3448	reentrant => 0,
		3449	after => 0,
		3450	data => WF_AUTOCANCEL,
		3451	cb => sub {
		3452	do_reload_perl;
		3453	undef $RELOAD_WATCHER;
		3454	},
		3455	);
		3456	}
		3457
2573	register_command "reload" => sub {	3458	register_command "reload" => sub {
2574	my ($who, $arg) = @_;	3459	my ($who, $arg) = @_;
2575		3460
2576	if ($who->flag (FLAG_WIZ)) {	3461	if ($who->flag (FLAG_WIZ)) {
2577	$who->message ("reloading server.");	3462	$who->message ("reloading server.");
2578		3463	async {
2579	# doing reload synchronously and two reloads happen back-to-back,	3464	$Coro::current->{desc} = "perl_reload";
2580	# coro crashes during coro_state_free->destroy here.
2581
2582	$RELOAD_WATCHER ||= Event->timer (
2583	reentrant => 0,
2584	after => 0,
2585	data => WF_AUTOCANCEL,
2586	cb => sub {
2587	reload;	3465	reload_perl;
2588	undef $RELOAD_WATCHER;
2589	},
2590	);	3466	};
2591	}	3467	}
2592	};	3468	};
2593		3469
2594	unshift @INC, $LIBDIR;	3470	unshift @INC, $LIBDIR;
2595		3471
2596	my $bug_warning = 0;	3472	my $bug_warning = 0;
		3473
		3474	our @WAIT_FOR_TICK;
		3475	our @WAIT_FOR_TICK_BEGIN;
		3476
		3477	sub wait_for_tick {
		3478	return unless $TICK_WATCHER->is_active;
		3479	return if $Coro::current == $Coro::main;
		3480
		3481	my $signal = new Coro::Signal;
		3482	push @WAIT_FOR_TICK, $signal;
		3483	$signal->wait;
		3484	}
		3485
		3486	sub wait_for_tick_begin {
		3487	return unless $TICK_WATCHER->is_active;
		3488	return if $Coro::current == $Coro::main;
		3489
		3490	my $signal = new Coro::Signal;
		3491	push @WAIT_FOR_TICK_BEGIN, $signal;
		3492	$signal->wait;
		3493	}
2597		3494
2598	$TICK_WATCHER = Event->timer (	3495	$TICK_WATCHER = Event->timer (
2599	reentrant => 0,	3496	reentrant => 0,
2600	parked => 1,	3497	parked => 1,
2601	prio => 0,	3498	prio => 0,
…		…
2606	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2607	unless ++$bug_warning > 10;	3504	unless ++$bug_warning > 10;
2608	return;	3505	return;
2609	}	3506	}
2610		3507
2611	$NOW = Event::time;	3508	$NOW = $tick_start = Event::time;
2612		3509
2613	cf::server_tick; # one server iteration	3510	cf::server_tick; # one server iteration
		3511
2614	$RUNTIME += $TICK;	3512	$RUNTIME += $TICK;
2615	$NEXT_TICK += $TICK;	3513	$NEXT_TICK += $TICK;
2616		3514
2617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3515	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2618	$NEXT_RUNTIME_WRITE = $NOW + 10;	3516	$NEXT_RUNTIME_WRITE = $NOW + 10;
2619	Coro::async_pool {	3517	Coro::async_pool {
		3518	$Coro::current->{desc} = "runtime saver";
2620	write_runtime	3519	write_runtime
2621	or warn "ERROR: unable to write runtime file: $!";	3520	or warn "ERROR: unable to write runtime file: $!";
2622	};	3521	};
2623	}	3522	}
2624		3523
2625	$WAIT_FOR_TICK->broadcast;	3524	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2626	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3525	$sig->send;
		3526	}
		3527	while (my $sig = shift @WAIT_FOR_TICK) {
		3528	$sig->send;
		3529	}
2627		3530
2628	# my $AFTER = Event::time;	3531	$NOW = Event::time;
2629	# warn $AFTER - $NOW;#d#
2630		3532
2631	# if we are delayed by four ticks or more, skip them all	3533	# if we are delayed by four ticks or more, skip them all
2632	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3534	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2633		3535
2634	$TICK_WATCHER->at ($NEXT_TICK);	3536	$TICK_WATCHER->at ($NEXT_TICK);
2635	$TICK_WATCHER->start;	3537	$TICK_WATCHER->start;
		3538
		3539	$LOAD = ($NOW - $tick_start) / $TICK;
		3540	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3541
		3542	_post_tick;
2636	},	3543	},
2637	);	3544	);
2638		3545
2639	{	3546	{
		3547	BDB::min_parallel 8;
2640	BDB::max_poll_time $TICK * 0.1;	3548	BDB::max_poll_time $TICK * 0.1;
2641	$BDB_POLL_WATCHER = Event->io (	3549	$BDB_POLL_WATCHER = Event->io (
2642	reentrant => 0,	3550	reentrant => 0,
2643	fd => BDB::poll_fileno,	3551	fd => BDB::poll_fileno,
2644	poll => 'r',	3552	poll => 'r',
2645	prio => 0,	3553	prio => 0,
2646	data => WF_AUTOCANCEL,	3554	data => WF_AUTOCANCEL,
2647	cb => \&BDB::poll_cb,	3555	cb => \&BDB::poll_cb,
2648	);	3556	);
2649	BDB::min_parallel 8;
2650		3557
2651	BDB::set_sync_prepare {	3558	BDB::set_sync_prepare {
2652	my $status;	3559	my $status;
2653	my $current = $Coro::current;	3560	my $current = $Coro::current;
2654	(	3561	(
…		…
2663	)	3570	)
2664	};	3571	};
2665		3572
2666	unless ($DB_ENV) {	3573	unless ($DB_ENV) {
2667	$DB_ENV = BDB::db_env_create;	3574	$DB_ENV = BDB::db_env_create;
		3575	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3576	| BDB::LOG_AUTOREMOVE, 1);
		3577	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3578	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2668		3579
2669	cf::sync_job {	3580	cf::sync_job {
2670	eval {	3581	eval {
2671	BDB::db_env_open	3582	BDB::db_env_open
2672	$DB_ENV,	3583	$DB_ENV,
2673	$BDB_ENV_DIR,	3584	$BDBDIR,
2674	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2675	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2676	0666;	3587	0666;
2677		3588
2678	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3589	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2679
2680	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2681	$DB_ENV->set_lk_detect;
2682	};	3590	};
2683		3591
2684	cf::cleanup "db_env_open(db): $@" if $@;	3592	cf::cleanup "db_env_open(db): $@" if $@;
2685	};	3593	};
2686	}	3594	}
		3595
		3596	$BDB_DEADLOCK_WATCHER = Event->timer (
		3597	after => 3,
		3598	interval => 1,
		3599	hard => 1,
		3600	prio => 0,
		3601	data => WF_AUTOCANCEL,
		3602	cb => sub {
		3603	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3604	},
		3605	);
		3606	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3607	after => 11,
		3608	interval => 60,
		3609	hard => 1,
		3610	prio => 0,
		3611	data => WF_AUTOCANCEL,
		3612	cb => sub {
		3613	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3614	},
		3615	);
		3616	$BDB_TRICKLE_WATCHER = Event->timer (
		3617	after => 5,
		3618	interval => 10,
		3619	hard => 1,
		3620	prio => 0,
		3621	data => WF_AUTOCANCEL,
		3622	cb => sub {
		3623	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3624	},
		3625	);
2687	}	3626	}
2688		3627
2689	{	3628	{
2690	IO::AIO::min_parallel 8;	3629	IO::AIO::min_parallel 8;
2691		3630
…		…
2694	$AIO_POLL_WATCHER = Event->io (	3633	$AIO_POLL_WATCHER = Event->io (
2695	reentrant => 0,	3634	reentrant => 0,
2696	data => WF_AUTOCANCEL,	3635	data => WF_AUTOCANCEL,
2697	fd => IO::AIO::poll_fileno,	3636	fd => IO::AIO::poll_fileno,
2698	poll => 'r',	3637	poll => 'r',
2699	prio => 6,	3638	prio => 0,
2700	cb => \&IO::AIO::poll_cb,	3639	cb => \&IO::AIO::poll_cb,
2701	);	3640	);
2702	}	3641	}
2703		3642
		3643	my $_log_backtrace;
		3644
		3645	sub _log_backtrace {
		3646	my ($msg, @addr) = @_;
		3647
		3648	$msg =~ s/\n//;
		3649
		3650	# limit the # of concurrent backtraces
		3651	if ($_log_backtrace < 2) {
		3652	++$_log_backtrace;
		3653	async {
		3654	$Coro::current->{desc} = "abt $msg";
		3655
		3656	my @bt = fork_call {
		3657	@addr = map { sprintf "%x", $_ } @addr;
		3658	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3659	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3660	or die "addr2line: $!";
		3661
		3662	my @funcs;
		3663	my @res = <$fh>;
		3664	chomp for @res;
		3665	while (@res) {
		3666	my ($func, $line) = splice @res, 0, 2, ();
		3667	push @funcs, "[$func] $line";
		3668	}
		3669
		3670	@funcs
		3671	};
		3672
		3673	LOG llevInfo, "[ABT] $msg\n";
		3674	LOG llevInfo, "[ABT] $_\n" for @bt;
		3675	--$_log_backtrace;
		3676	};
		3677	} else {
		3678	LOG llevInfo, "[ABT] $msg\n";
		3679	LOG llevInfo, "[ABT] [suppressed]\n";
		3680	}
		3681	}
		3682
		3683	# load additional modules
		3684	use cf::pod;
		3685
2704	END { cf::emergency_save }	3686	END { cf::emergency_save }
2705		3687
2706	1	3688	1
2707		3689

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