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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.214 by root, Wed Feb 14 00:40:05 2007 UTC vs.
Revision 1.370 by root, Thu Sep 13 10:59:41 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	87	our $DB_ENV;
61		88
62	our %CFG;	89	our %CFG;
63		90
64	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	92	our $RUNTIME;
66		93
67	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		97
76	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
		104
79	binmode STDOUT;	105	binmode STDOUT;
80	binmode STDERR;	106	binmode STDERR;
81		107
82	# read virtual server time, if available	108	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
87	}	113	}
88		114
89	mkdir cf::localdir;	115	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		117
96	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
97		119
98	sub cf::map::normalise;	120	sub cf::map::normalise;
99		121
…		…
110	=item $cf::RUNTIME	132	=item $cf::RUNTIME
111		133
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	134	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	135	every server tick.
114		136
115	=item $cf::LIBDIR	137	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		138	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		139	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		140
117	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		143	unique-items directory, player file directory, random maps directory and
		144	database environment.
119		145
120	=item $cf::NOW	146	=item $cf::NOW
121		147
122	The time of the last (current) server tick.	148	The time of the last (current) server tick.
123		149
124	=item $cf::TICK	150	=item $cf::TICK
125		151
126	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
127		163
128	=item %cf::CFG	164	=item %cf::CFG
129		165
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	167	from wherever your confdir points to.
132		168
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		170
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	172	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
139		180
140	=back	181	=back
141		182
142	=cut	183	=cut
143		184
144	BEGIN {	185	BEGIN {
145	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	187	my $msg = join "", @_;
147	utf8::encode $msg;
148		188
149	$msg .= "\n"	189	$msg .= "\n"
150	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		193
152	LOG llevError, $msg;	194	LOG llevError, $msg;
153	};	195	};
154	}	196	}
155		197
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		205
163	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	207	# within the Safe compartment.
165	for my $pkg (qw(	208	for my $pkg (qw(
166	cf::global cf::attachable	209	cf::global cf::attachable
…		…
174	}	217	}
175		218
176	$Event::DIED = sub {	219	$Event::DIED = sub {
177	warn "error in event callback: @_";	220	warn "error in event callback: @_";
178	};	221	};
		222
		223	#############################################################################
179		224
180	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
181		226
182	=over 4	227	=over 4
183		228
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	248	$d
204	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
205	}	250	}
206		251
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
210		253
211	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
212		255
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
221		257
222	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
223		259
224	=cut	260	=cut
225		261
226	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
228	JSON::Syck::Dump $_[0]	264	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	265	sub from_json ($) { $json_coder->decode ($_[0]) }
230		266
231	=item cf::lock_wait $string	267	=item cf::lock_wait $string
232		268
233	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
234		270
…		…
237	Wait until the given lock is available and then acquires it and returns	273	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
240	returned.	276	returned.
241		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
242	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
244		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
245	=cut	288	=cut
246		289
247	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
248		292
249	sub lock_wait($) {	293	sub lock_wait($) {
250	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
251		300
252	# wait for lock, if any	301	# wait for lock, if any
253	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	304	Coro::schedule;
…		…
261		310
262	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
263	lock_wait $key;	312	lock_wait $key;
264		313
265	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
266		316
267	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
270	}	321	}
		322	}
		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
271	}	328	}
272		329
273	sub freeze_mainloop {	330	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
275		332
…		…
278	};	335	};
279	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
280	$guard	337	$guard
281	}	338	}
282		339
		340	=item cf::get_slot $time[, $priority[, $name]]
		341
		342	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		343	This call blocks and returns only when you have at least C<$time> seconds
		344	of cpu time till the next tick. The slot is only valid till the next cede.
		345
		346	The optional C<$name> can be used to identify the job to run. It might be
		347	used for statistical purposes and should identify the same time-class.
		348
		349	Useful for short background jobs.
		350
		351	=cut
		352
		353	our @SLOT_QUEUE;
		354	our $SLOT_QUEUE;
		355
		356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		357	$SLOT_QUEUE = Coro::async {
		358	my $signal = new Coro::Signal;
		359
		360	while () {
		361	next_job:
		362	my $avail = cf::till_tick;
		363	if ($avail > 0.01) {
		364	for (0 .. $#SLOT_QUEUE) {
		365	if ($SLOT_QUEUE[$_][0] < $avail) {
		366	my $job = splice @SLOT_QUEUE, $_, 1, ();
		367	$job->[2]->send;
		368	Coro::cede;
		369	goto next_job;
		370	}
		371	}
		372	}
		373
		374	if (@SLOT_QUEUE) {
		375	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		376	push @cf::WAIT_FOR_TICK, $signal;
		377	$signal->wait;
		378	} else {
		379	Coro::schedule;
		380	}
		381	}
		382	};
		383
		384	sub get_slot($;$$) {
		385	my ($time, $pri, $name) = @_;
		386
		387	$time = $TICK * .6 if $time > $TICK * .6;
		388	my $sig = new Coro::Signal;
		389
		390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		392	$SLOT_QUEUE->ready;
		393	$sig->wait;
		394	}
		395
283	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
284		397
285	Currently the same as Coro::async_pool, meaning you cannot use	398	Currently the same as Coro::async_pool, meaning you cannot use
286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	399	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287	thing you are allowed to do is call C<prio> on it.	400	thing you are allowed to do is call C<prio> on it.
…		…
290		403
291	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
292		405
293	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
294		407
295	The design of crossfire+ requires that the main coro ($Coro::main) is	408	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	409	is always able to handle events or runnable, as Crossfire TRT is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		411	acceptable.
298		412
299	If it must be done, put the blocking parts into C<sync_job>. This will run	413	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	414	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	415	server will be frozen during this time, so the block should either finish
302	fast or be very important.	416	fast or be very important.
…		…
305		419
306	sub sync_job(&) {	420	sub sync_job(&) {
307	my ($job) = @_;	421	my ($job) = @_;
308		422
309	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
310	# this is the main coro, too bad, we have to block	426	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	427	# till the operation succeeds, freezing the server :/
312		428
313	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	430	# (but this is cancel-safe)
…		…
325		441
326	while ($busy) {	442	while ($busy) {
327	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
328	}	444	}
329		445
		446	$time = Event::time - $time;
		447
		448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		450
		451	$tick_start += $time; # do not account sync jobs to server load
		452
330	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
331	} else {	454	} else {
332	# we are in another coroutine, how wonderful, everything just works	455	# we are in another coroutine, how wonderful, everything just works
333		456
334	$job->()	457	$job->()
…		…
353	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
354		477
355	$coro	478	$coro
356	}	479	}
357		480
358	sub write_runtime {	481	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		482
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	483	Executes the given code block with the given arguments in a seperate
362	or return;	484	process, returning the results. Everything must be serialisable with
		485	Coro::Storable. May, of course, block. Note that the executed sub may
		486	never block itself or use any form of Event handling.
363		487
364	my $value = $cf::RUNTIME + 90 + 10;	488	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		489
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	490	sub fork_call(&@) {
369	and return;	491	my ($cb, @args) = @_;
370		492
371	# always fsync - this file is important	493	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	494	# otherwise perl prematurely frees the stuff :/
373	and return;	495	# TODO: investigate and fix (likely this will be rather laborious)
374		496
375	close $fh	497	my @res = Coro::Util::fork_eval {
376	or return;	498	reset_signals;
		499	&$cb
		500	}, @args;
377		501
378	aio_rename "$runtime~", $runtime	502	wantarray ? @res : $res[-1]
379	and return;	503	}
380		504
		505	=item $value = cf::db_get $family => $key
		506
		507	Returns a single value from the environment database.
		508
		509	=item cf::db_put $family => $key => $value
		510
		511	Stores the given C<$value> in the family. It can currently store binary
		512	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		513
		514	=item $db = cf::db_table "name"
		515
		516	Create and/or open a new database table. The string must not be "db" and must be unique
		517	within each server.
		518
		519	=cut
		520
		521	sub db_table($) {
		522	my ($name) = @_;
		523	my $db = BDB::db_create $DB_ENV;
		524
		525	eval {
		526	$db->set_flags (BDB::CHKSUM);
		527
		528	utf8::encode $name;
		529	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		530	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		531	cf::cleanup "db_open(db): $!" if $!;
		532	};
		533	cf::cleanup "db_open(db): $@" if $@;
		534
		535	$db
		536	}
		537
		538	our $DB;
		539
		540	sub db_init {
		541	cf::sync_job {
		542	$DB ||= db_table "db";
		543	};
		544	}
		545
		546	sub db_get($$) {
		547	my $key = "$_[0]/$_[1]";
		548
		549	cf::sync_job {
		550	BDB::db_get $DB, undef, $key, my $data;
		551
		552	$! ? ()
		553	: $data
381	1	554	}
		555	}
		556
		557	sub db_put($$$) {
		558	BDB::dbreq_pri 4;
		559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		560	}
		561
		562	=item cf::cache $id => [$paths...], $processversion => $process
		563
		564	Generic caching function that returns the value of the resource $id,
		565	caching and regenerating as required.
		566
		567	This function can block.
		568
		569	=cut
		570
		571	sub cache {
		572	my ($id, $src, $processversion, $process) = @_;
		573
		574	my $meta =
		575	join "\x00",
		576	$processversion,
		577	map {
		578	aio_stat $_
		579	and Carp::croak "$_: $!";
		580
		581	($_, (stat _)[7,9])
		582	} @$src;
		583
		584	my $dbmeta = db_get cache => "$id/meta";
		585	if ($dbmeta ne $meta) {
		586	# changed, we may need to process
		587
		588	my @data;
		589	my $md5;
		590
		591	for (0 .. $#$src) {
		592	0 <= aio_load $src->[$_], $data[$_]
		593	or Carp::croak "$src->[$_]: $!";
		594	}
		595
		596	# if processing is expensive, check
		597	# checksum first
		598	if (1) {
		599	$md5 =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	cf::cede_to_tick;
		604	($src->[$_], Digest::MD5::md5_hex $data[$_])
		605	} 0.. $#$src;
		606
		607
		608	my $dbmd5 = db_get cache => "$id/md5";
		609	if ($dbmd5 eq $md5) {
		610	db_put cache => "$id/meta", $meta;
		611
		612	return db_get cache => "$id/data";
		613	}
		614	}
		615
		616	my $t1 = Time::HiRes::time;
		617	my $data = $process->(\@data);
		618	my $t2 = Time::HiRes::time;
		619
		620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		621
		622	db_put cache => "$id/data", $data;
		623	db_put cache => "$id/md5" , $md5;
		624	db_put cache => "$id/meta", $meta;
		625
		626	return $data;
		627	}
		628
		629	db_get cache => "$id/data"
		630	}
		631
		632	=item cf::datalog type => key => value, ...
		633
		634	Log a datalog packet of the given type with the given key-value pairs.
		635
		636	=cut
		637
		638	sub datalog($@) {
		639	my ($type, %kv) = @_;
		640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	641	}
383		642
384	=back	643	=back
385		644
386	=cut	645	=cut
…		…
393	attach callbacks/event handlers (a collection of which is called an "attachment")	652	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
395		654
396	In the following description, CLASS can be any of C<global>, C<object>	655	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	656	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	657	Crossfire TRT).
399		658
400	=over 4	659	=over 4
401		660
402	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
403		662
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
567		826
568	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		831
573	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	833	my $pkg = shift @arg;
575		834
576	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
606	}	865	}
607		866
608	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
609	} else {	868	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	870	}
612		871
613	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
614	}	873	}
615		874
…		…
617	if (ref $_[0]) {	876	if (ref $_[0]) {
618	_object_attach @_;	877	_object_attach @_;
619	} else {	878	} else {
620	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
621	}	880	}
		881	_recalc_want;
622	};	882	};
623		883
624	# all those should be optimised	884	# all those should be optimised
625	sub cf::attachable::detach {	885	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
630	reattach ($obj);	890	reattach ($obj);
631	} else {	891	} else {
632	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
633	}	893	}
		894	_recalc_want;
634	};	895	};
635		896
636	sub cf::attachable::attached {	897	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
638		899
…		…
653	";	914	";
654	die if $@;	915	die if $@;
655	}	916	}
656		917
657	our $override;	918	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	919	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		920
660	sub override {	921	sub override {
661	$override = 1;	922	$override = 1;
662	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
663	}	924	}
664		925
665	sub do_invoke {	926	sub do_invoke {
666	my $event = shift;	927	my $event = shift;
667	my $callbacks = shift;	928	my $callbacks = shift;
668		929
669	@invoke_results = ();	930	@INVOKE_RESULTS = ();
670		931
671	local $override;	932	local $override;
672		933
673	for (@$callbacks) {	934	for (@$callbacks) {
674	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
691		952
692	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
693		954
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	955	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	956	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		958
698	=back	959	=back
699		960
700	=cut	961	=cut
701		962
702	#############################################################################	963	#############################################################################
703	# object support	964	# object support
		965	#
		966
		967	sub _can_merge {
		968	my ($ob1, $ob2) = @_;
		969
		970	local $Storable::canonical = 1;
		971	my $fob1 = Storable::freeze $ob1;
		972	my $fob2 = Storable::freeze $ob2;
		973
		974	$fob1 eq $fob2
		975	}
704		976
705	sub reattach {	977	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	979	my ($obj) = @_;
708		980
…		…
753	);	1025	);
754		1026
755	sub object_freezer_save {	1027	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
757		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
758	sync_job {	1032	sync_job {
759	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
762		1037
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1041	aio_fsync $fh if $cf::USE_FSYNC;
…		…
785	}	1060	}
786	} else {	1061	} else {
787	aio_unlink $filename;	1062	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
789	}	1064	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1065	};
		1066
		1067	undef $guard;
797	}	1068	}
798		1069
799	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
801		1072
…		…
807	sub object_thawer_load {	1078	sub object_thawer_load {
808	my ($filename) = @_;	1079	my ($filename) = @_;
809		1080
810	my ($data, $av);	1081	my ($data, $av);
811		1082
812	#d#TODO remove .map if file does not exist	1083	my $guard = cf::lock_acquire "io";
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1084
815	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
816	or return;	1086	or return;
817		1087
818	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
820	or return;	1090	or return;
		1091
		1092	undef $guard;
821	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
822	}	1094	}
823		1095
		1096	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
826	return ($data, $av);	1100	($data, $av)
827	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
828		1108
829	#############################################################################	1109	#############################################################################
830	# command handling &c	1110	# command handling &c
831		1111
832	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1126	}
847		1127
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1129
850	Register a callbackf ro execution when the client sends an extcmd packet.	1130	Register a callback for execution when the client sends an (synchronous)
		1131	extcmd packet. Ext commands will be processed in the order they are
		1132	received by the server, like other user commands. The first argument is
		1133	the logged-in player. Ext commands can only be processed after a player
		1134	has logged in successfully.
851		1135
852	If the callback returns something, it is sent back as if reply was being	1136	If the callback returns something, it is sent back as if reply was being
853	called.	1137	called.
854		1138
		1139	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1140
		1141	Register a callback for execution when the client sends an (asynchronous)
		1142	exticmd packet. Exti commands are processed by the server as soon as they
		1143	are received, i.e. out of order w.r.t. other commands. The first argument
		1144	is a client socket. Exti commands can be received anytime, even before
		1145	log-in.
		1146
		1147	If the callback returns something, it is sent back as if reply was being
		1148	called.
		1149
855	=cut	1150	=cut
856		1151
857	sub register_extcmd {	1152	sub register_extcmd {
858	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
859		1154
860	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
861	}	1162	}
862		1163
863	cf::player->attach (	1164	cf::player->attach (
864	on_command => sub {	1165	on_command => sub {
865	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
874	cf::override;	1175	cf::override;
875	},	1176	},
876	on_extcmd => sub {	1177	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
878		1179
879	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1181
881	if (ref $msg) {	1182	if (ref $msg) {
		1183	my ($type, $reply, @payload) =
		1184	"ARRAY" eq ref $msg
		1185	? @$msg
		1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1187
		1188	my @reply;
		1189
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
887	} else {	1197	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1199	}
890		1200
891	cf::override;	1201	cf::override;
892	},	1202	},
893	);	1203	);
894		1204
895	sub load_extension {
896	my ($path) = @_;
897
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
899	my $base = $1;
900	my $pkg = $1;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}
923	die $@;
924	}
925
926	push @EXTS, $pkg;
927	}
928
929	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
930	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1210	next unless -r $path;
932	eval {	1211
933	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
934	1	1269	}
935	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
936	}	1275	};
937	}	1276	}
938		1277
939	#############################################################################	1278	#############################################################################
940		1279
		1280	=back
		1281
941	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
942		1283
943	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
944		1285
945	=cut	1286	=cut
…		…
950		1291
951	=head3 cf::player	1292	=head3 cf::player
952		1293
953	=over 4	1294	=over 4
954		1295
		1296	=item cf::player::num_playing
		1297
		1298	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1299
		1300	=cut
		1301
		1302	sub num_playing {
		1303	scalar grep
		1304	$_->ob->map
		1305	&& !$_->hidden
		1306	&& !$_->ob->flag (cf::FLAG_WIZ),
		1307	cf::player::list
		1308	}
		1309
955	=item cf::player::find $login	1310	=item cf::player::find $login
956		1311
957	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
958		1313
959	=cut	1314	=cut
960		1315
961	sub playerdir($) {	1316	sub playerdir($) {
962	cf::localdir	1317	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1319	}
968		1320
969	sub path($) {	1321	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1323
972	(playerdir $login) . "/$login.pl"	1324	(playerdir $login) . "/playerdata"
973	}	1325	}
974		1326
975	sub find_active($) {	1327	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1328	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1329	and $cf::PLAYER{$_[0]}->active
…		…
990	my $login = $_[0];	1342	my $login = $_[0];
991		1343
992	my $guard = cf::lock_acquire "user_find:$login";	1344	my $guard = cf::lock_acquire "user_find:$login";
993		1345
994	$cf::PLAYER{$_[0]} || do {	1346	$cf::PLAYER{$_[0]} || do {
995	my $pl = load_pl path $login	1347	# rename old playerfiles to new ones
		1348	#TODO: remove when no longer required
		1349	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1350	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1351	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1352	aio_unlink +(playerdir $login) . "/$login.pl";
		1353
		1354	my $f = new_from_file cf::object::thawer path $login
996	or return;	1355	or return;
		1356
		1357	$f->next;
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
997	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
998	}	1363	}
999	}	1364	}
1000	}	1365	}
1001		1366
…		…
1011		1376
1012	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1014		1379
1015	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1016	Coro::cede;	1381	cf::cede_to_tick;
1017	}	1382	}
1018		1383
1019	sub new($) {	1384	sub new($) {
1020	my ($login) = @_;	1385	my ($login) = @_;
1021		1386
…		…
1027	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1028		1393
1029	$self	1394	$self
1030	}	1395	}
1031		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
1032	=item $pl->quit_character	1407	=item $pl->quit_character
1033		1408
1034	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1036		1411
1037	=cut	1412	=cut
1038		1413
1039	sub quit_character {	1414	sub quit_character {
1040	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1041		1418
1042	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1043	$pl->password ("*"); # this should lock out the player until we nuked the dir	1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
1044		1421
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1050	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
1055	IO::AIO::aio_rmtree $temp;	1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
1056	}	1453	}
1057		1454
1058	=item cf::player::list_logins	1455	=item cf::player::list_logins
1059		1456
1060	Returns am arrayref of all valid playernames in the system, can take a	1457	Returns am arrayref of all valid playernames in the system, can take a
1061	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1062		1459
1063	=cut	1460	=cut
1064		1461
1065	sub list_logins {	1462	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1464	or return [];
1068		1465
1069	my @logins;	1466	my @logins;
1070		1467
1071	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1075		1477
1076	utf8::decode $login;	1478	utf8::decode $login;
1077	push @logins, $login;	1479	push @logins, $login;
1078	}	1480	}
1079		1481
…		…
1106	}	1508	}
1107		1509
1108	\@paths	1510	\@paths
1109	}	1511	}
1110		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1112		1565
1113	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1114		1567
1115	=cut	1568	=cut
1116		1569
1117	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1119		1572
1120	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1574	}
1124		1575
1125	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1126		1616
1127	=back	1617	=back
1128
1129		1618
1130	=head3 cf::map	1619	=head3 cf::map
1131		1620
1132	=over 4	1621	=over 4
1133		1622
…		…
1188	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1189		1678
1190	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1191	local $self->{path};	1680	local $self->{path};
1192	local $self->{load_path};	1681	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1682
1196	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1197	}	1684	}
1198		1685
1199	sub normalise {	1686	sub normalise {
…		…
1246	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1247	return $self;	1734	return $self;
1248	}	1735	}
1249	}	1736	}
1250		1737
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1252	()	1739	()
1253	}	1740	}
1254		1741
1255	sub init {	1742	sub init {
1256	my ($self) = @_;	1743	my ($self) = @_;
…		…
1271		1758
1272	# the original (read-only) location	1759	# the original (read-only) location
1273	sub load_path {	1760	sub load_path {
1274	my ($self) = @_;	1761	my ($self) = @_;
1275		1762
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1277	}	1764	}
1278		1765
1279	# the temporary/swap location	1766	# the temporary/swap location
1280	sub save_path {	1767	sub save_path {
1281	my ($self) = @_;	1768	my ($self) = @_;
1282		1769
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1285	}	1772	}
1286		1773
1287	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1288	sub uniq_path {	1775	sub uniq_path {
1289	my ($self) = @_;	1776	my ($self) = @_;
1290		1777
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1293	}	1780	}
1294		1781
1295	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1296	# all maps in C++...	1783	# all maps in C++...
1297	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1299		1786
1300	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1302	}	1789	}
1303		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1304	sub unlink_save {	1799	sub unlink_save {
1305	my ($self) = @_;	1800	my ($self) = @_;
1306		1801
1307	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	1805	}
1316		1806
1317	sub load_header_from($) {	1807	sub load_header_from($) {
1318	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1319		1809
1320	utf8::encode $path;	1810	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1326		1819
1327	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1328		1821
1329	1	1822	1
1330	}	1823	}
…		…
1369	$self->load_header_orig	1862	$self->load_header_orig
1370	or return;	1863	or return;
1371	$self->prepare_orig;	1864	$self->prepare_orig;
1372	}	1865	}
1373		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
1374	1	1873	1
1375	}	1874	}
1376		1875
1377	sub find;	1876	sub find;
1378	sub find {	1877	sub find {
1379	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1380		1879
1381	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1382		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1384		1884
1385	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1387	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1388	or return;	1890	or return;
1389		1891
1390	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1391		1893
1392	$map->load_header	1894	$map->load_header
1393	or return;	1895	or return;
1394		1896
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1398	$map->reset;	1902	$map->reset;
1399	undef $guard;
1400	return find $path;	1903	return find $path;
1401	}	1904	}
1402		1905
1403	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1404	}	1907	}
…		…
1411	my ($self) = @_;	1914	my ($self) = @_;
1412		1915
1413	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1414		1917
1415	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1416	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1417		1922
		1923	return unless $self->valid;
1418	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1419		1925
1420	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1421		1927
1422	$self->alloc;	1928	$self->alloc;
1423		1929
1424	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1425		1932
1426	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1427	or return;	1936	or return;
1428		1937
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1430	if delete $self->{load_original};	1939	if delete $self->{load_original};
1431		1940
1432	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	1942	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	1945	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1437	}	1949	}
1438	}	1950	}
1439		1951
1440	Coro::cede;	1952	$f->resolve_delayed_derefs;
1441		1953
		1954	cf::cede_to_tick;
1442	# now do the right thing for maps	1955	# now do the right thing for maps
1443	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	1958	unless $self->difficulty;
1453	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1454	$self->activate;	1968	$self->activate;
		1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1455	}	1975	}
1456		1976
1457	$self->post_load;	1977	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	1978	}
1461		1979
1462	sub customise_for {	1980	sub customise_for {
1463	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1464		1982
1465	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	1984	if $self->per_player;
1467		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1468	$self	1989	$self
1469	}	1990	}
1470		1991
1471	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1472	sub load_diag {	1993	sub load_neighbours {
1473	my ($map) = @_;	1994	my ($map) = @_;
1474		1995
1475	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1476		1997
1477	for (0 .. 3) {	1998	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1479	or next;	2000	or next;
1480	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1481	or next;	2002	or next;
1482	$neigh->load;	2003	$neigh->load;
1483		2004
		2005	push @neigh,
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}	2008	}
1487		2009
1488	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1489	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1490	or next;	2013	or next;
1491	$neigh->load;	2014	$neigh->load;
1492	}	2015	}
1493	}	2016	}
1494		2017
…		…
1499	}	2022	}
1500		2023
1501	sub do_load_sync {	2024	sub do_load_sync {
1502	my ($map) = @_;	2025	my ($map) = @_;
1503		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1504	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1505	}	2031	}
1506		2032
1507	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1509		2035
1510	sub find_async {	2036	sub find_async {
1511	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1512		2038
1513	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1514		2040
1515	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1517	}	2043	}
1518		2044
1519	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1520	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1521	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2050	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2051	$map->load if $v;
		2052	}
1526		2053
1527	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1528	}	2055	}
1529	}	2056	}
1530	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1531	};	2058	};
1532	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1535	}	2062	}
1536		2063
1537	sub save {	2064	sub save {
1538	my ($self) = @_;	2065	my ($self) = @_;
1539		2066
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1541		2068
1542	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1543		2070
1544	return unless $self->dirty;	2071	return unless $self->dirty;
1545		2072
…		…
1568	my ($self) = @_;	2095	my ($self) = @_;
1569		2096
1570	# save first because save cedes	2097	# save first because save cedes
1571	$self->save;	2098	$self->save;
1572		2099
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2101
1575	return if $self->players;	2102	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1577	return if $self->{deny_save};	2104	return if $self->{deny_save};
1578		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1579	$self->clear;	2110	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2111	}
1582		2112
1583	sub reset_at {	2113	sub reset_at {
1584	my ($self) = @_;	2114	my ($self) = @_;
1585		2115
1586	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1589		2118
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		2121
…		…
1603	my ($self) = @_;	2132	my ($self) = @_;
1604		2133
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2135
1607	return if $self->players;	2136	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2137
1610	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1611		2139
1612	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1613		2141
1614	# need to save uniques path	2142	# need to save uniques path
1615	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1619	if $uniq;	2147	if $uniq;
1620	}	2148	}
1621		2149
1622	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1623		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2154	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2155
1628	$self->unlink_save;	2156	$self->unlink_save;
1629	$self->destroy;	2157	$self->destroy;
1630	}	2158	}
1631		2159
1632	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1633		2161
1634	sub nuke {	2162	sub nuke {
1635	my ($self) = @_;	2163	my ($self) = @_;
1636		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1637	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1638		2169
1639	$self->unlink_save;	2170	$self->unlink_save;
1640		2171
1641	bless $self, "cf::map";	2172	bless $self, "cf::map";
1642	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2177
1647	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1648		2180
1649	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1650	}	2218	}
1651		2219
1652	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1653		2221
1654	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2223	instantiated unique items. May block.
1656		2224
1657	=cut	2225	=cut
1658		2226
1659	sub unique_maps() {	2227	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1661	or return;	2229	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2230	utf8::decode $_;
1667	next if /\.pst$/;	2231	/\.map$/
1668	next unless /^$PATH_SEP/o;	2232	? normalise $_
1669		2233	: ()
1670	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2235	]
1672
1673	\@paths
1674	}	2236	}
1675		2237
1676	package cf;	2238	package cf;
1677		2239
1678	=back	2240	=back
…		…
1696	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1697	}	2259	}
1698		2260
1699	sub inv_recursive {	2261	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1701	}	2294	}
1702		2295
1703	package cf;	2296	package cf;
1704		2297
1705	=back	2298	=back
…		…
1724		2317
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2319
1727	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1729	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1730	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1732	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1733	}	2345	}
1734		2346
1735	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1736		2348
1737	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1784	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1785		2397
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2399
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1790		2402
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1792	}	2404	}
1793		2405
1794	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1796		2410
1797	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1798		2412
1799	unless ($map) {	2413	unless ($map) {
1800	# restore original map position	2414	# restore original map position
…		…
1814	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1817		2431
1818	$map->load;	2432	$map->load;
1819	$map->load_diag;	2433	$map->load_neighbours;
1820		2434
1821	return unless $self->contr->active;	2435	return unless $self->contr->active;
1822	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1823	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1824	}	2440	}
1825		2441
1826	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1827	on_logout => sub {
1828	my ($pl) = @_;
1829		2443
1830	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1831	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1832	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1833	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1834	};	2448	be called at the end of this process.
1835	}
1836	},
1837	on_login => sub {
1838	my ($pl) = @_;
1839		2449
1840	# try to abort aborted map switching on player login :)
1841	# should happen only on crashes
1842	if ($pl->ob->{_link_pos}) {
1843	$pl->ob->enter_link;
1844	(async {
1845	# we need this sleep as the login has a concurrent enter_exit running
1846	# and this sleep increases chances of the player not ending up in scorn
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	Coro::Timer::sleep 1;
1852	$pl->ob->leave_link;
1853	})->prio (2);
1854	}
1855	},
1856	);
1857
1858	=item $player_object->goto ($path, $x, $y)
1859
1860	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1861		2453
1862	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1863	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1864		2459
1865	$self->enter_link;	2460	$self->enter_link;
1866		2461
1867	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
1868	my $map = eval {	2482	my $map = eval {
1869	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1870	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
		2487	$map = $check->($map) if $check && $map;
		2488	} else {
		2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
		2491
1871	$map	2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
1872	} or	2498	}
1873	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1874		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1875	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1876	})->prio (1);	2506	})->prio (1);
1877	}	2507	}
1878		2508
1879	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1880		2510
…		…
1919		2549
1920	$rmp->{random_seed} ||= $exit->random_seed;	2550	$rmp->{random_seed} ||= $exit->random_seed;
1921		2551
1922	my $data = cf::to_json $rmp;	2552	my $data = cf::to_json $rmp;
1923	my $md5 = Digest::MD5::md5_hex $data;	2553	my $md5 = Digest::MD5::md5_hex $data;
1924	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2554	my $meta = "$RANDOMDIR/$md5.meta";
1925		2555
1926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1927	aio_write $fh, 0, (length $data), $data, 0;	2557	aio_write $fh, 0, (length $data), $data, 0;
1928	undef $fh;	2558	undef $fh;
1929	aio_rename "$meta~", $meta;	2559	aio_rename "$meta~", $meta;
…		…
1938		2568
1939	return unless $self->type == cf::PLAYER;	2569	return unless $self->type == cf::PLAYER;
1940		2570
1941	if ($exit->slaying eq "/!") {	2571	if ($exit->slaying eq "/!") {
1942	#TODO: this should de-fi-ni-te-ly not be a sync-job	2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2573	# the problem is that $exit might not survive long enough
		2574	# so it needs to be done right now, right here
1943	cf::sync_job { prepare_random_map $exit };	2575	cf::sync_job { prepare_random_map $exit };
1944	}	2576	}
1945		2577
1946	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1947	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
1948	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
1949		2581
1950	$self->enter_link;	2582	$self->enter_link;
		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
1951		2587
1952	(async {	2588	(async {
1953	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
1954	unless (eval {	2590	unless (eval {
1955	$self->goto ($slaying, $hp, $sp);	2591	$self->goto ($slaying, $hp, $sp);
1956		2592
1957	1;	2593	1;
1958	}) {	2594	}) {
1959	$self->message ("Something went wrong deep within the crossfire server. "	2595	$self->message ("Something went wrong deep within the crossfire server. "
1960	. "I'll try to bring you back to the map you were before. "	2596	. "I'll try to bring you back to the map you were before. "
1961	. "Please report this to the dungeon master!",	2597	. "Please report this to the dungeon master!",
1962	cf::NDI_UNIQUE | cf::NDI_RED);	2598	cf::NDI_UNIQUE | cf::NDI_RED);
1963		2599
1964	warn "ERROR in enter_exit: $@";	2600	warn "ERROR in enter_exit: $@";
1965	$self->leave_link;	2601	$self->leave_link;
1966	}	2602	}
1967	})->prio (1);	2603	})->prio (1);
…		…
1980		2616
1981	sub cf::client::send_drawinfo {	2617	sub cf::client::send_drawinfo {
1982	my ($self, $text, $flags) = @_;	2618	my ($self, $text, $flags) = @_;
1983		2619
1984	utf8::encode $text;	2620	utf8::encode $text;
1985	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1986	}	2622	}
1987		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "identify",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "examine",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	);
		2647
		2648	sub cf::client::send_msg {
		2649	my ($self, $channel, $msg, $color, @extra) = @_;
		2650
		2651	$msg = $self->pl->expand_cfpod ($msg);
		2652
		2653	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2654
		2655	# check predefined channels, for the benefit of C
		2656	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2657
		2658	if (ref $channel) {
		2659	# send meta info to client, if not yet sent
		2660	unless (exists $self->{channel}{$channel->{id}}) {
		2661	$self->{channel}{$channel->{id}} = $channel;
		2662	$self->ext_msg (channel_info => $channel)
		2663	if $self->can_msg;
		2664	}
		2665
		2666	$channel = $channel->{id};
		2667	}
		2668
		2669	return unless @extra || length $msg;
		2670
		2671	if ($self->can_msg) {
		2672	# default colour, mask it out
		2673	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2674	if $color & cf::NDI_DEF;
		2675
		2676	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2677	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2678	} else {
		2679	if ($color >= 0) {
		2680	# replace some tags by gcfclient-compatible ones
		2681	for ($msg) {
		2682	1 while
		2683	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2684	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2685	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2686	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2687	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2688	}
		2689
		2690	$color &= cf::NDI_COLOR_MASK;
		2691
		2692	utf8::encode $msg;
		2693
		2694	if (0 && $msg =~ /\[/) {
		2695	# COMMAND/INFO
		2696	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2697	} else {
		2698	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2699	$self->send_packet ("drawinfo $color $msg")
		2700	}
		2701	}
		2702	}
		2703	}
		2704
		2705	=item $client->ext_msg ($type, @msg)
		2706
		2707	Sends an ext event to the client.
		2708
		2709	=cut
		2710
		2711	sub cf::client::ext_msg($$@) {
		2712	my ($self, $type, @msg) = @_;
		2713
		2714	if ($self->extcmd == 2) {
		2715	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2716	} elsif ($self->extcmd == 1) { # TODO: remove
		2717	push @msg, msgtype => "event_$type";
		2718	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2719	}
		2720	}
		2721
		2722	=item $client->ext_reply ($msgid, @msg)
		2723
		2724	Sends an ext reply to the client.
		2725
		2726	=cut
		2727
		2728	sub cf::client::ext_reply($$@) {
		2729	my ($self, $id, @msg) = @_;
		2730
		2731	if ($self->extcmd == 2) {
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2733	} elsif ($self->extcmd == 1) {
		2734	#TODO: version 1, remove
		2735	unshift @msg, msgtype => "reply", msgid => $id;
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2737	}
		2738	}
1988		2739
1989	=item $success = $client->query ($flags, "text", \&cb)	2740	=item $success = $client->query ($flags, "text", \&cb)
1990		2741
1991	Queues a query to the client, calling the given callback with	2742	Queues a query to the client, calling the given callback with
1992	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2743	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1993	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2744	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1994		2745
1995	Queries can fail, so check the return code. Or don't, as queries will become	2746	Queries can fail, so check the return code. Or don't, as queries will
1996	reliable at some point in the future.	2747	become reliable at some point in the future.
1997		2748
1998	=cut	2749	=cut
1999		2750
2000	sub cf::client::query {	2751	sub cf::client::query {
2001	my ($self, $flags, $text, $cb) = @_;	2752	my ($self, $flags, $text, $cb) = @_;
…		…
2009	utf8::encode $text;	2760	utf8::encode $text;
2010	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2761	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2011		2762
2012	$self->send_packet ($self->{query_queue}[0][0])	2763	$self->send_packet ($self->{query_queue}[0][0])
2013	if @{ $self->{query_queue} } == 1;	2764	if @{ $self->{query_queue} } == 1;
		2765
		2766	1
2014	}	2767	}
2015		2768
2016	cf::client->attach (	2769	cf::client->attach (
		2770	on_connect => sub {
		2771	my ($ns) = @_;
		2772
		2773	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2774	},
2017	on_reply => sub {	2775	on_reply => sub {
2018	my ($ns, $msg) = @_;	2776	my ($ns, $msg) = @_;
2019		2777
2020	# this weird shuffling is so that direct followup queries	2778	# this weird shuffling is so that direct followup queries
2021	# get handled first	2779	# get handled first
…		…
2033	} else {	2791	} else {
2034	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2792	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2035	}	2793	}
2036	}	2794	}
2037	},	2795	},
		2796	on_exticmd => sub {
		2797	my ($ns, $buf) = @_;
		2798
		2799	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2800
		2801	if (ref $msg) {
		2802	my ($type, $reply, @payload) =
		2803	"ARRAY" eq ref $msg
		2804	? @$msg
		2805	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2806
		2807	my @reply;
		2808
		2809	if (my $cb = $EXTICMD{$type}) {
		2810	@reply = $cb->($ns, @payload);
		2811	}
		2812
		2813	$ns->ext_reply ($reply, @reply)
		2814	if $reply;
		2815
		2816	} else {
		2817	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2818	}
		2819
		2820	cf::override;
		2821	},
2038	);	2822	);
2039		2823
2040	=item $client->async (\&cb)	2824	=item $client->async (\&cb)
2041		2825
2042	Create a new coroutine, running the specified callback. The coroutine will	2826	Create a new coroutine, running the specified callback. The coroutine will
…		…
2083	our $safe = new Safe "safe";	2867	our $safe = new Safe "safe";
2084	our $safe_hole = new Safe::Hole;	2868	our $safe_hole = new Safe::Hole;
2085		2869
2086	$SIG{FPE} = 'IGNORE';	2870	$SIG{FPE} = 'IGNORE';
2087		2871
2088	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2872	$safe->permit_only (Opcode::opset qw(
		2873	:base_core :base_mem :base_orig :base_math
		2874	grepstart grepwhile mapstart mapwhile
		2875	sort time
		2876	));
2089		2877
2090	# here we export the classes and methods available to script code	2878	# here we export the classes and methods available to script code
2091		2879
2092	=pod	2880	=pod
2093		2881
2094	The following fucntions and emthods are available within a safe environment:	2882	The following functions and methods are available within a safe environment:
2095		2883
2096	cf::object contr pay_amount pay_player map	2884	cf::object
		2885	contr pay_amount pay_player map x y force_find force_add
		2886	insert remove name archname title slaying race decrease_ob_nr
		2887
2097	cf::object::player player	2888	cf::object::player
2098	cf::player peaceful	2889	player
2099	cf::map trigger	2890
		2891	cf::player
		2892	peaceful
		2893
		2894	cf::map
		2895	trigger
2100		2896
2101	=cut	2897	=cut
2102		2898
2103	for (	2899	for (
2104	["cf::object" => qw(contr pay_amount pay_player map)],	2900	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2901	insert remove inv name archname title slaying race
		2902	decrease_ob_nr)],
2105	["cf::object::player" => qw(player)],	2903	["cf::object::player" => qw(player)],
2106	["cf::player" => qw(peaceful)],	2904	["cf::player" => qw(peaceful)],
2107	["cf::map" => qw(trigger)],	2905	["cf::map" => qw(trigger)],
2108	) {	2906	) {
2109	no strict 'refs';	2907	no strict 'refs';
…		…
2180	=back	2978	=back
2181		2979
2182	=cut	2980	=cut
2183		2981
2184	#############################################################################	2982	#############################################################################
2185
2186	=head2 EXTENSION DATABASE SUPPORT
2187
2188	Crossfire maintains a very simple database for extension use. It can
2189	currently store anything that can be serialised using Storable, which
2190	excludes objects.
2191
2192	The parameter C<$family> should best start with the name of the extension
2193	using it, it should be unique.
2194
2195	=over 4
2196
2197	=item $value = cf::db_get $family => $key
2198
2199	Returns a single value from the database.
2200
2201	=item cf::db_put $family => $key => $value
2202
2203	Stores the given C<$value> in the family.
2204
2205	=cut
2206
2207	our $DB;
2208
2209	sub db_init {
2210	unless ($DB) {
2211	$DB = BDB::db_create $DB_ENV;
2212
2213	cf::sync_job {
2214	eval {
2215	$DB->set_flags (BDB::CHKSUM);
2216
2217	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2218	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2219	cf::cleanup "db_open(db): $!" if $!;
2220	};
2221	cf::cleanup "db_open(db): $@" if $@;
2222	};
2223
2224	my $path = cf::localdir . "/database.pst";
2225	if (stat $path) {
2226	cf::sync_job {
2227	my $pst = Storable::retrieve $path;
2228
2229	cf::db_put (board => data => $pst->{board});
2230	cf::db_put (guildrules => data => $pst->{guildrules});
2231	cf::db_put (rent => balance => $pst->{rent}{balance});
2232	BDB::db_env_txn_checkpoint $DB_ENV;
2233
2234	unlink $path;
2235	};
2236	}
2237	}
2238	}
2239
2240	sub db_get($$) {
2241	my $key = "$_[0]/$_[1]";
2242
2243	cf::sync_job {
2244	BDB::db_get $DB, undef, $key, my $data;
2245
2246	$! ? ()
2247	: Compress::LZF::sthaw $data
2248	}
2249	}
2250
2251	sub db_put($$$) {
2252	BDB::dbreq_pri 4;
2253	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2254	}
2255
2256	#############################################################################
2257	# the server's init and main functions	2983	# the server's init and main functions
2258		2984
2259	sub load_resources {	2985	sub load_facedata($) {
2260	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2986	my ($path) = @_;
		2987
		2988	# HACK to clear player env face cache, we need some signal framework
		2989	# for this (global event?)
		2990	%ext::player_env::MUSIC_FACE_CACHE = ();
		2991
		2992	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2993
		2994	warn "loading facedata from $path\n";
		2995
		2996	my $facedata;
		2997	0 < aio_load $path, $facedata
		2998	or die "$path: $!";
		2999
		3000	$facedata = Coro::Storable::thaw $facedata;
		3001
		3002	$facedata->{version} == 2
		3003	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3004
		3005	# patch in the exptable
		3006	$facedata->{resource}{"res/exp_table"} = {
		3007	type => FT_RSRC,
		3008	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3009	};
		3010	cf::cede_to_tick;
		3011
		3012	{
		3013	my $faces = $facedata->{faceinfo};
		3014
		3015	while (my ($face, $info) = each %$faces) {
		3016	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3017	cf::face::set_visibility $idx, $info->{visibility};
		3018	cf::face::set_magicmap $idx, $info->{magicmap};
		3019	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3020	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3021
		3022	cf::cede_to_tick;
		3023	}
		3024
		3025	while (my ($face, $info) = each %$faces) {
		3026	next unless $info->{smooth};
		3027	my $idx = cf::face::find $face
		3028	or next;
		3029	if (my $smooth = cf::face::find $info->{smooth}) {
		3030	cf::face::set_smooth $idx, $smooth;
		3031	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3032	} else {
		3033	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3034	}
		3035
		3036	cf::cede_to_tick;
		3037	}
		3038	}
		3039
		3040	{
		3041	my $anims = $facedata->{animinfo};
		3042
		3043	while (my ($anim, $info) = each %$anims) {
		3044	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	cf::anim::invalidate_all; # d'oh
		3049	}
		3050
		3051	{
		3052	# TODO: for gcfclient pleasure, we should give resources
		3053	# that gcfclient doesn't grok a >10000 face index.
		3054	my $res = $facedata->{resource};
		3055
		3056	my $soundconf = delete $res->{"res/sound.conf"};
		3057
		3058	while (my ($name, $info) = each %$res) {
		3059	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3060	my $data;
		3061
		3062	if ($info->{type} & 1) {
		3063	# prepend meta info
		3064
		3065	my $meta = $enc->encode ({
		3066	name => $name,
		3067	%{ $info->{meta} || {} },
		3068	});
		3069
		3070	$data = pack "(w/a*)*", $meta, $info->{data};
		3071	} else {
		3072	$data = $info->{data};
		3073	}
		3074
		3075	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3076	cf::face::set_type $idx, $info->{type};
		3077
		3078	cf::cede_to_tick;
		3079	}
		3080
		3081	if ($soundconf) {
		3082	$soundconf = $enc->decode (delete $soundconf->{data});
		3083
		3084	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3085	my $sound = $soundconf->{compat}[$_]
		3086	or next;
		3087
		3088	my $face = cf::face::find "sound/$sound->[1]";
		3089	cf::sound::set $sound->[0] => $face;
		3090	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3091	}
		3092
		3093	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3094	my $face = cf::face::find "sound/$v";
		3095	cf::sound::set $k => $face;
		3096	}
		3097	}
		3098	}
		3099
		3100	1
		3101	}
		3102
		3103	register_exticmd fx_want => sub {
		3104	my ($ns, $want) = @_;
		3105
		3106	while (my ($k, $v) = each %$want) {
		3107	$ns->fx_want ($k, $v);
		3108	}
		3109	};
		3110
		3111	sub reload_regions {
		3112	# HACK to clear player env face cache, we need some signal framework
		3113	# for this (global event?)
		3114	%ext::player_env::MUSIC_FACE_CACHE = ();
		3115
		3116	load_resource_file "$MAPDIR/regions"
2261	or die "unable to load regions file\n";#d#	3117	or die "unable to load regions file\n";
2262	}
2263		3118
2264	sub cfg_load {	3119	for (cf::region::list) {
		3120	$_->{match} = qr/$_->{match}/
		3121	if exists $_->{match};
		3122	}
		3123	}
		3124
		3125	sub reload_facedata {
		3126	load_facedata "$DATADIR/facedata"
		3127	or die "unable to load facedata\n";
		3128	}
		3129
		3130	sub reload_archetypes {
		3131	load_resource_file "$DATADIR/archetypes"
		3132	or die "unable to load archetypes\n";
		3133	#d# NEED to laod twice to resolve forward references
		3134	# this really needs to be done in an extra post-pass
		3135	# (which needs to be synchronous, so solve it differently)
		3136	load_resource_file "$DATADIR/archetypes"
		3137	or die "unable to load archetypes\n";
		3138	}
		3139
		3140	sub reload_treasures {
		3141	load_resource_file "$DATADIR/treasures"
		3142	or die "unable to load treasurelists\n";
		3143	}
		3144
		3145	sub reload_resources {
		3146	warn "reloading resource files...\n";
		3147
		3148	reload_regions;
		3149	reload_facedata;
		3150	#reload_archetypes;#d#
		3151	reload_archetypes;
		3152	reload_treasures;
		3153
		3154	warn "finished reloading resource files\n";
		3155	}
		3156
		3157	sub init {
		3158	reload_resources;
		3159	}
		3160
		3161	sub reload_config {
2265	open my $fh, "<:utf8", cf::confdir . "/config"	3162	open my $fh, "<:utf8", "$CONFDIR/config"
2266	or return;	3163	or return;
2267		3164
2268	local $/;	3165	local $/;
2269	*CFG = YAML::Syck::Load <$fh>;	3166	*CFG = YAML::Syck::Load <$fh>;
2270		3167
…		…
2278	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3175	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2279	and die "WARNING: m(un)lockall failed: $!\n";	3176	and die "WARNING: m(un)lockall failed: $!\n";
2280	};	3177	};
2281	warn $@ if $@;	3178	warn $@ if $@;
2282	}	3179	}
2283	}
2284
2285	sub init {
2286	load_resources;
2287	}	3180	}
2288		3181
2289	sub main {	3182	sub main {
2290	# we must not ever block the main coroutine	3183	# we must not ever block the main coroutine
2291	local $Coro::idle = sub {	3184	local $Coro::idle = sub {
…		…
2293	(async {	3186	(async {
2294	Event::one_event;	3187	Event::one_event;
2295	})->prio (Coro::PRIO_MAX);	3188	})->prio (Coro::PRIO_MAX);
2296	};	3189	};
2297		3190
2298	cfg_load;	3191	reload_config;
2299	db_init;	3192	db_init;
2300	load_extensions;	3193	load_extensions;
2301		3194
2302	$TICK_WATCHER->start;	3195	$TICK_WATCHER->start;
2303	Event::loop;	3196	Event::loop;
…		…
2319	},	3212	},
2320	);	3213	);
2321	}	3214	}
2322	}	3215	}
2323		3216
		3217	sub write_runtime {
		3218	my $runtime = "$LOCALDIR/runtime";
		3219
		3220	# first touch the runtime file to show we are still running:
		3221	# the fsync below can take a very very long time.
		3222
		3223	IO::AIO::aio_utime $runtime, undef, undef;
		3224
		3225	my $guard = cf::lock_acquire "write_runtime";
		3226
		3227	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3228	or return;
		3229
		3230	my $value = $cf::RUNTIME + 90 + 10;
		3231	# 10 is the runtime save interval, for a monotonic clock
		3232	# 60 allows for the watchdog to kill the server.
		3233
		3234	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3235	and return;
		3236
		3237	# always fsync - this file is important
		3238	aio_fsync $fh
		3239	and return;
		3240
		3241	# touch it again to show we are up-to-date
		3242	aio_utime $fh, undef, undef;
		3243
		3244	close $fh
		3245	or return;
		3246
		3247	aio_rename "$runtime~", $runtime
		3248	and return;
		3249
		3250	warn "runtime file written.\n";
		3251
		3252	1
		3253	}
		3254
2324	sub emergency_save() {	3255	sub emergency_save() {
2325	my $freeze_guard = cf::freeze_mainloop;	3256	my $freeze_guard = cf::freeze_mainloop;
2326		3257
2327	warn "enter emergency perl save\n";	3258	warn "enter emergency perl save\n";
2328		3259
…		…
2359		3290
2360	warn Carp::longmess "post_cleanup backtrace"	3291	warn Carp::longmess "post_cleanup backtrace"
2361	if $make_core;	3292	if $make_core;
2362	}	3293	}
2363		3294
2364	sub reload() {	3295	sub do_reload_perl() {
2365	# can/must only be called in main	3296	# can/must only be called in main
2366	if ($Coro::current != $Coro::main) {	3297	if ($Coro::current != $Coro::main) {
2367	warn "can only reload from main coroutine";	3298	warn "can only reload from main coroutine";
2368	return;	3299	return;
2369	}	3300	}
…		…
2394	Coro::cede;	3325	Coro::cede;
2395	last unless IO::AIO::nreqs || BDB::nreqs;	3326	last unless IO::AIO::nreqs || BDB::nreqs;
2396	warn "iterate...";	3327	warn "iterate...";
2397	}	3328	}
2398		3329
		3330	++$RELOAD;
		3331
2399	warn "cancelling all extension coros";	3332	warn "cancelling all extension coros";
2400	$_->cancel for values %EXT_CORO;	3333	$_->cancel for values %EXT_CORO;
2401	%EXT_CORO = ();	3334	%EXT_CORO = ();
2402		3335
2403	warn "removing commands";	3336	warn "removing commands";
2404	%COMMAND = ();	3337	%COMMAND = ();
2405		3338
2406	warn "removing ext commands";	3339	warn "removing ext/exti commands";
2407	%EXTCMD = ();	3340	%EXTCMD = ();
		3341	%EXTICMD = ();
2408		3342
2409	warn "unloading/nuking all extensions";	3343	warn "unloading/nuking all extensions";
2410	for my $pkg (@EXTS) {	3344	for my $pkg (@EXTS) {
2411	warn "... unloading $pkg";	3345	warn "... unloading $pkg";
2412		3346
…		…
2442	Symbol::delete_package "safe::$_"	3376	Symbol::delete_package "safe::$_"
2443	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2444		3378
2445	warn "unloading cf.pm \"a bit\"";	3379	warn "unloading cf.pm \"a bit\"";
2446	delete $INC{"cf.pm"};	3380	delete $INC{"cf.pm"};
		3381	delete $INC{"cf/pod.pm"};
2447		3382
2448	# don't, removes xs symbols, too,	3383	# don't, removes xs symbols, too,
2449	# and global variables created in xs	3384	# and global variables created in xs
2450	#Symbol::delete_package __PACKAGE__;	3385	#Symbol::delete_package __PACKAGE__;
2451		3386
…		…
2454	warn "reloading cf.pm";	3389	warn "reloading cf.pm";
2455	require cf;	3390	require cf;
2456	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2457		3392
2458	warn "loading config and database again";	3393	warn "loading config and database again";
2459	cf::cfg_load;	3394	cf::reload_config;
2460		3395
2461	warn "loading extensions";	3396	warn "loading extensions";
2462	cf::load_extensions;	3397	cf::load_extensions;
2463		3398
2464	warn "reattaching attachments to objects/players";	3399	warn "reattaching attachments to objects/players";
2465	_global_reattach;	3400	_global_reattach; # objects, sockets
2466	warn "reattaching attachments to maps";	3401	warn "reattaching attachments to maps";
2467	reattach $_ for values %MAP;	3402	reattach $_ for values %MAP;
2468		3403	warn "reattaching attachments to players";
2469	warn "loading reloadable resources";	3404	reattach $_ for values %PLAYER;
2470	load_resources;
2471		3405
2472	warn "leaving sync_job";	3406	warn "leaving sync_job";
2473		3407
2474	1	3408	1
2475	} or do {	3409	} or do {
…		…
2481	warn "reloaded";	3415	warn "reloaded";
2482	};	3416	};
2483		3417
2484	our $RELOAD_WATCHER; # used only during reload	3418	our $RELOAD_WATCHER; # used only during reload
2485		3419
		3420	sub reload_perl() {
		3421	# doing reload synchronously and two reloads happen back-to-back,
		3422	# coro crashes during coro_state_free->destroy here.
		3423
		3424	$RELOAD_WATCHER ||= Event->timer (
		3425	reentrant => 0,
		3426	after => 0,
		3427	data => WF_AUTOCANCEL,
		3428	cb => sub {
		3429	do_reload_perl;
		3430	undef $RELOAD_WATCHER;
		3431	},
		3432	);
		3433	}
		3434
2486	register_command "reload" => sub {	3435	register_command "reload" => sub {
2487	my ($who, $arg) = @_;	3436	my ($who, $arg) = @_;
2488		3437
2489	if ($who->flag (FLAG_WIZ)) {	3438	if ($who->flag (FLAG_WIZ)) {
2490	$who->message ("reloading server.");	3439	$who->message ("reloading server.");
2491		3440	async { reload_perl };
2492	# doing reload synchronously and two reloads happen back-to-back,
2493	# coro crashes during coro_state_free->destroy here.
2494
2495	$RELOAD_WATCHER ||= Event->timer (
2496	reentrant => 0,
2497	after => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => sub {
2500	reload;
2501	undef $RELOAD_WATCHER;
2502	},
2503	);
2504	}	3441	}
2505	};	3442	};
2506		3443
2507	unshift @INC, $LIBDIR;	3444	unshift @INC, $LIBDIR;
2508		3445
2509	my $bug_warning = 0;	3446	my $bug_warning = 0;
		3447
		3448	our @WAIT_FOR_TICK;
		3449	our @WAIT_FOR_TICK_BEGIN;
		3450
		3451	sub wait_for_tick {
		3452	return unless $TICK_WATCHER->is_active;
		3453	return if $Coro::current == $Coro::main;
		3454
		3455	my $signal = new Coro::Signal;
		3456	push @WAIT_FOR_TICK, $signal;
		3457	$signal->wait;
		3458	}
		3459
		3460	sub wait_for_tick_begin {
		3461	return unless $TICK_WATCHER->is_active;
		3462	return if $Coro::current == $Coro::main;
		3463
		3464	my $signal = new Coro::Signal;
		3465	push @WAIT_FOR_TICK_BEGIN, $signal;
		3466	$signal->wait;
		3467	}
2510		3468
2511	$TICK_WATCHER = Event->timer (	3469	$TICK_WATCHER = Event->timer (
2512	reentrant => 0,	3470	reentrant => 0,
2513	parked => 1,	3471	parked => 1,
2514	prio => 0,	3472	prio => 0,
…		…
2519	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3477	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2520	unless ++$bug_warning > 10;	3478	unless ++$bug_warning > 10;
2521	return;	3479	return;
2522	}	3480	}
2523		3481
2524	$NOW = Event::time;	3482	$NOW = $tick_start = Event::time;
2525		3483
2526	cf::server_tick; # one server iteration	3484	cf::server_tick; # one server iteration
		3485
2527	$RUNTIME += $TICK;	3486	$RUNTIME += $TICK;
2528	$NEXT_TICK += $TICK;	3487	$NEXT_TICK += $TICK;
2529		3488
2530	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3489	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2531	$NEXT_RUNTIME_WRITE = $NOW + 10;	3490	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2533	write_runtime	3492	write_runtime
2534	or warn "ERROR: unable to write runtime file: $!";	3493	or warn "ERROR: unable to write runtime file: $!";
2535	};	3494	};
2536	}	3495	}
2537		3496
		3497	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3498	$sig->send;
		3499	}
		3500	while (my $sig = shift @WAIT_FOR_TICK) {
		3501	$sig->send;
		3502	}
2538		3503
2539	$WAIT_FOR_TICK->broadcast;	3504	$NOW = Event::time;
2540	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2541
2542	# my $AFTER = Event::time;
2543	# warn $AFTER - $NOW;#d#
2544		3505
2545	# if we are delayed by four ticks or more, skip them all	3506	# if we are delayed by four ticks or more, skip them all
2546	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3507	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2547		3508
2548	$TICK_WATCHER->at ($NEXT_TICK);	3509	$TICK_WATCHER->at ($NEXT_TICK);
2549	$TICK_WATCHER->start;	3510	$TICK_WATCHER->start;
		3511
		3512	$LOAD = ($NOW - $tick_start) / $TICK;
		3513	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3514
		3515	_post_tick;
2550	},	3516	},
2551	);	3517	);
2552		3518
2553	{	3519	{
		3520	BDB::min_parallel 8;
2554	BDB::max_poll_time $TICK * 0.1;	3521	BDB::max_poll_time $TICK * 0.1;
2555	$BDB_POLL_WATCHER = Event->io (	3522	$BDB_POLL_WATCHER = Event->io (
2556	reentrant => 0,	3523	reentrant => 0,
2557	fd => BDB::poll_fileno,	3524	fd => BDB::poll_fileno,
2558	poll => 'r',	3525	poll => 'r',
2559	prio => 0,	3526	prio => 0,
2560	data => WF_AUTOCANCEL,	3527	data => WF_AUTOCANCEL,
2561	cb => \&BDB::poll_cb,	3528	cb => \&BDB::poll_cb,
2562	);	3529	);
2563	BDB::min_parallel 8;
2564		3530
2565	BDB::set_sync_prepare {	3531	BDB::set_sync_prepare {
2566	my $status;	3532	my $status;
2567	my $current = $Coro::current;	3533	my $current = $Coro::current;
2568	(	3534	(
…		…
2582		3548
2583	cf::sync_job {	3549	cf::sync_job {
2584	eval {	3550	eval {
2585	BDB::db_env_open	3551	BDB::db_env_open
2586	$DB_ENV,	3552	$DB_ENV,
2587	$BDB_ENV_DIR,	3553	$BDBDIR,
2588	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3554	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2589	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3555	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2590	0666;	3556	0666;
2591		3557
2592	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3558	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2593		3559
2594	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3560	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3561	| BDB::LOG_AUTOREMOVE, 1);
2595	$DB_ENV->set_lk_detect;	3562	$DB_ENV->set_lk_detect;
2596	};	3563	};
2597		3564
2598	cf::cleanup "db_env_open(db): $@" if $@;	3565	cf::cleanup "db_env_open(db): $@" if $@;
2599	};	3566	};
2600	}	3567	}
		3568
		3569	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3570	after => 11,
		3571	interval => 60,
		3572	hard => 1,
		3573	prio => 0,
		3574	data => WF_AUTOCANCEL,
		3575	cb => sub {
		3576	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3577	},
		3578	);
		3579	$BDB_TRICKLE_WATCHER = Event->timer (
		3580	after => 5,
		3581	interval => 10,
		3582	hard => 1,
		3583	prio => 0,
		3584	data => WF_AUTOCANCEL,
		3585	cb => sub {
		3586	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3587	},
		3588	);
2601	}	3589	}
2602		3590
2603	{	3591	{
2604	IO::AIO::min_parallel 8;	3592	IO::AIO::min_parallel 8;
2605		3593
…		…
2613	prio => 6,	3601	prio => 6,
2614	cb => \&IO::AIO::poll_cb,	3602	cb => \&IO::AIO::poll_cb,
2615	);	3603	);
2616	}	3604	}
2617		3605
		3606	my $_log_backtrace;
		3607
		3608	sub _log_backtrace {
		3609	my ($msg, @addr) = @_;
		3610
		3611	$msg =~ s/\n//;
		3612
		3613	# limit the # of concurrent backtraces
		3614	if ($_log_backtrace < 2) {
		3615	++$_log_backtrace;
		3616	async {
		3617	my @bt = fork_call {
		3618	@addr = map { sprintf "%x", $_ } @addr;
		3619	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3620	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3621	or die "addr2line: $!";
		3622
		3623	my @funcs;
		3624	my @res = <$fh>;
		3625	chomp for @res;
		3626	while (@res) {
		3627	my ($func, $line) = splice @res, 0, 2, ();
		3628	push @funcs, "[$func] $line";
		3629	}
		3630
		3631	@funcs
		3632	};
		3633
		3634	LOG llevInfo, "[ABT] $msg\n";
		3635	LOG llevInfo, "[ABT] $_\n" for @bt;
		3636	--$_log_backtrace;
		3637	};
		3638	} else {
		3639	LOG llevInfo, "[ABT] $msg\n";
		3640	LOG llevInfo, "[ABT] [suppressed]\n";
		3641	}
		3642	}
		3643
		3644	# load additional modules
		3645	use cf::pod;
		3646
2618	END { cf::emergency_save }	3647	END { cf::emergency_save }
2619		3648
2620	1	3649	1
2621		3650

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