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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.368 by root, Wed Sep 12 11:18:25 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;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.64 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
21		25
		26	use JSON::XS ();
22	use BDB ();	27	use BDB ();
23	use Data::Dumper;	28	use Data::Dumper;
24	use Digest::MD5;	29	use Digest::MD5;
25	use Fcntl;	30	use Fcntl;
26	use YAML::Syck ();	31	use YAML::Syck ();
27	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
28	use Time::HiRes;	33	use Time::HiRes;
29	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
30		36
31	# configure various modules to our taste	37	# configure various modules to our taste
32	#	38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		42
36	$Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
37		44
…		…
45	our %COMMAND = ();	52	our %COMMAND = ();
46	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
47		54
48	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
52		60
53	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
54	our @EVENT;	62	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		63
57	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58	our $TICK_WATCHER;	77	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	80	our $NEXT_TICK;
62	our $NOW;	81	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		83
65	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	87	our $DB_ENV;
67		88
68	our %CFG;	89	our %CFG;
69		90
70	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	92	our $RUNTIME;
72		93
73	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		97
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $tick_start; # for load detecting purposes
		104
85	binmode STDOUT;	105	binmode STDOUT;
86	binmode STDERR;	106	binmode STDERR;
87		107
88	# read virtual server time, if available	108	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
93	}	113	}
94		114
95	mkdir cf::localdir;	115	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		117
102	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
103		119
104	sub cf::map::normalise;	120	sub cf::map::normalise;
105		121
…		…
116	=item $cf::RUNTIME	132	=item $cf::RUNTIME
117		133
118	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
119	every server tick.	135	every server tick.
120		136
121	=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
122		140
123	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		145
126	=item $cf::NOW	146	=item $cf::NOW
127		147
128	The time of the last (current) server tick.	148	The time of the last (current) server tick.
129		149
130	=item $cf::TICK	150	=item $cf::TICK
131		151
132	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.
133		163
134	=item %cf::CFG	164	=item %cf::CFG
135		165
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	167	from wherever your confdir points to.
138		168
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		170
141	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
142	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
143	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.
144	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.
145		180
146	=back	181	=back
147		182
148	=cut	183	=cut
149		184
150	BEGIN {	185	BEGIN {
151	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	187	my $msg = join "", @_;
153	utf8::encode $msg;
154		188
155	$msg .= "\n"	189	$msg .= "\n"
156	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
157		193
158	LOG llevError, $msg;	194	LOG llevError, $msg;
159	};	195	};
160	}	196	}
161		197
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		205
169	# 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
170	# within the Safe compartment.	207	# within the Safe compartment.
171	for my $pkg (qw(	208	for my $pkg (qw(
172	cf::global cf::attachable	209	cf::global cf::attachable
…		…
180	}	217	}
181		218
182	$Event::DIED = sub {	219	$Event::DIED = sub {
183	warn "error in event callback: @_";	220	warn "error in event callback: @_";
184	};	221	};
		222
		223	#############################################################################
185		224
186	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
187		226
188	=over 4	227	=over 4
189		228
…		…
208	$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;
209	$d	248	$d
210	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
211	}	250	}
212		251
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
216		253
217	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
218		255
219	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
220		257
221	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
		259
		260	=cut
		261
		262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		263
		264	sub to_json ($) { $json_coder->encode ($_[0]) }
		265	sub from_json ($) { $json_coder->decode ($_[0]) }
222		266
223	=item cf::lock_wait $string	267	=item cf::lock_wait $string
224		268
225	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
226		270
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
232	returned.	276	returned.
233		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
234	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
235	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
236		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
237	=cut	288	=cut
238		289
239	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
240		292
241	sub lock_wait($) {	293	sub lock_wait($) {
242	my ($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#
243		300
244	# wait for lock, if any	301	# wait for lock, if any
245	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	304	Coro::schedule;
…		…
253		310
254	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
255	lock_wait $key;	312	lock_wait $key;
256		313
257	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
258		316
259	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
262	}	321	}
		322	}
		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
263	}	328	}
264		329
265	sub freeze_mainloop {	330	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
267		332
…		…
270	};	335	};
271	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
272	$guard	337	$guard
273	}	338	}
274		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
275	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
276		397
277	Currently the same as Coro::async_pool, meaning you cannot use	398	Currently the same as Coro::async_pool, meaning you cannot use
278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	399	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279	thing you are allowed to do is call C<prio> on it.	400	thing you are allowed to do is call C<prio> on it.
…		…
282		403
283	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
284		405
285	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
286		407
287	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)
288	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
289	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.
290		412
291	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
292	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
293	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
294	fast or be very important.	416	fast or be very important.
…		…
297		419
298	sub sync_job(&) {	420	sub sync_job(&) {
299	my ($job) = @_;	421	my ($job) = @_;
300		422
301	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
302	# this is the main coro, too bad, we have to block	426	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	427	# till the operation succeeds, freezing the server :/
304		428
305	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	430	# (but this is cancel-safe)
…		…
317		441
318	while ($busy) {	442	while ($busy) {
319	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
320	}	444	}
321		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
322	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
323	} else {	454	} else {
324	# we are in another coroutine, how wonderful, everything just works	455	# we are in another coroutine, how wonderful, everything just works
325		456
326	$job->()	457	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
346		477
347	$coro	478	$coro
348	}	479	}
349		480
350	sub write_runtime {	481	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		482
353	my $runtime = cf::localdir . "/runtime";	483	Executes the given code block with the given arguments in a seperate
		484	process, returning the results. Everything must be serialisable with
		485	Coro::Storable. May, of course, block. Note that the executed sub may
		486	never block itself or use any form of Event handling.
354		487
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	488	=cut
356	or return;
357		489
358	my $value = $cf::RUNTIME + 90 + 10;	490	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	491	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		492
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	493	# we seemingly have to make a local copy of the whole thing,
363	and return;	494	# otherwise perl prematurely frees the stuff :/
		495	# TODO: investigate and fix (likely this will be rather laborious)
364		496
365	# always fsync - this file is important	497	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	498	reset_signals;
367	and return;	499	&$cb
		500	}, @args;
368		501
369	close $fh	502	wantarray ? @res : $res[-1]
370	or return;	503	}
371		504
372	aio_rename "$runtime~", $runtime	505	=item $value = cf::db_get $family => $key
373	and return;
374		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
375	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 });
376	}	641	}
377		642
378	=back	643	=back
379		644
380	=cut	645	=cut
…		…
387	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")
388	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
389		654
390	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>
391	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
392	crossfire+).	657	Crossfire TRT).
393		658
394	=over 4	659	=over 4
395		660
396	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
397		662
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
561		826
562	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		831
567	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	833	my $pkg = shift @arg;
569		834
570	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
600	}	865	}
601		866
602	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
603	} else {	868	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	870	}
606		871
607	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
608	}	873	}
609		874
…		…
611	if (ref $_[0]) {	876	if (ref $_[0]) {
612	_object_attach @_;	877	_object_attach @_;
613	} else {	878	} else {
614	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
615	}	880	}
		881	_recalc_want;
616	};	882	};
617		883
618	# all those should be optimised	884	# all those should be optimised
619	sub cf::attachable::detach {	885	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
624	reattach ($obj);	890	reattach ($obj);
625	} else {	891	} else {
626	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
627	}	893	}
		894	_recalc_want;
628	};	895	};
629		896
630	sub cf::attachable::attached {	897	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
632		899
…		…
647	";	914	";
648	die if $@;	915	die if $@;
649	}	916	}
650		917
651	our $override;	918	our $override;
652	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?
653		920
654	sub override {	921	sub override {
655	$override = 1;	922	$override = 1;
656	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
657	}	924	}
658		925
659	sub do_invoke {	926	sub do_invoke {
660	my $event = shift;	927	my $event = shift;
661	my $callbacks = shift;	928	my $callbacks = shift;
662		929
663	@invoke_results = ();	930	@INVOKE_RESULTS = ();
664		931
665	local $override;	932	local $override;
666		933
667	for (@$callbacks) {	934	for (@$callbacks) {
668	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
685		952
686	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
687		954
688	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
689	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
690	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		958
692	=back	959	=back
693		960
694	=cut	961	=cut
695		962
696	#############################################################################	963	#############################################################################
697	# 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	}
698		976
699	sub reattach {	977	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	979	my ($obj) = @_;
702		980
…		…
747	);	1025	);
748		1026
749	sub object_freezer_save {	1027	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
751		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
752	sync_job {	1032	sync_job {
753	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
756		1037
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1041	aio_fsync $fh if $cf::USE_FSYNC;
…		…
779	}	1060	}
780	} else {	1061	} else {
781	aio_unlink $filename;	1062	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
783	}	1064	}
784	}	1065	};
		1066
		1067	undef $guard;
785	}	1068	}
786		1069
787	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
789		1072
…		…
794		1077
795	sub object_thawer_load {	1078	sub object_thawer_load {
796	my ($filename) = @_;	1079	my ($filename) = @_;
797		1080
798	my ($data, $av);	1081	my ($data, $av);
		1082
		1083	my $guard = cf::lock_acquire "io";
799		1084
800	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
801	or return;	1086	or return;
802		1087
803	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
805	or return;	1090	or return;
		1091
		1092	undef $guard;
806	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
807	}	1094	}
808		1095
		1096	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
811	return ($data, $av);	1100	($data, $av)
812	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
813		1108
814	#############################################################################	1109	#############################################################################
815	# command handling &c	1110	# command handling &c
816		1111
817	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1126	}
832		1127
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1129
835	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.
836		1135
837	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
838	called.	1137	called.
839		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
840	=cut	1150	=cut
841		1151
842	sub register_extcmd {	1152	sub register_extcmd {
843	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
844		1154
845	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
846	}	1162	}
847		1163
848	cf::player->attach (	1164	cf::player->attach (
849	on_command => sub {	1165	on_command => sub {
850	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
859	cf::override;	1175	cf::override;
860	},	1176	},
861	on_extcmd => sub {	1177	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
863		1179
864	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1181
866	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
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
872	} else {	1197	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1199	}
875		1200
876	cf::override;	1201	cf::override;
877	},	1202	},
878	);	1203	);
879		1204
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
915	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1210	next unless -r $path;
917	eval {	1211
918	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;
919	1	1269	}
920	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
921	}	1275	};
922	}	1276	}
923		1277
924	#############################################################################	1278	#############################################################################
925		1279
		1280	=back
		1281
926	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
927		1283
928	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
929		1285
930	=cut	1286	=cut
…		…
935		1291
936	=head3 cf::player	1292	=head3 cf::player
937		1293
938	=over 4	1294	=over 4
939		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
940	=item cf::player::find $login	1310	=item cf::player::find $login
941		1311
942	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
943		1313
944	=cut	1314	=cut
945		1315
946	sub playerdir($) {	1316	sub playerdir($) {
947	cf::localdir	1317	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1319	}
953		1320
954	sub path($) {	1321	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1323
957	(playerdir $login) . "/$login.pl"	1324	(playerdir $login) . "/playerdata"
958	}	1325	}
959		1326
960	sub find_active($) {	1327	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1328	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1329	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1342	my $login = $_[0];
976		1343
977	my $guard = cf::lock_acquire "user_find:$login";	1344	my $guard = cf::lock_acquire "user_find:$login";
978		1345
979	$cf::PLAYER{$_[0]} || do {	1346	$cf::PLAYER{$_[0]} || do {
980	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
981	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;
982	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
983	}	1363	}
984	}	1364	}
985	}	1365	}
986		1366
…		…
996		1376
997	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
999		1379
1000	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1001	Coro::cede;	1381	cf::cede_to_tick;
1002	}	1382	}
1003		1383
1004	sub new($) {	1384	sub new($) {
1005	my ($login) = @_;	1385	my ($login) = @_;
1006		1386
…		…
1010	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1011		1391
1012	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1013		1393
1014	$self	1394	$self
		1395	}
		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 (@_);
1015	}	1405	}
1016		1406
1017	=item $pl->quit_character	1407	=item $pl->quit_character
1018		1408
1019	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
…		…
1068	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1069		1459
1070	=cut	1460	=cut
1071		1461
1072	sub list_logins {	1462	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1464	or return [];
1075		1465
1076	my @logins;	1466	my @logins;
1077		1467
1078	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") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1082		1477
1083	utf8::decode $login;	1478	utf8::decode $login;
1084	push @logins, $login;	1479	push @logins, $login;
1085	}	1480	}
1086		1481
…		…
1113	}	1508	}
1114		1509
1115	\@paths	1510	\@paths
1116	}	1511	}
1117		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
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1119		1565
1120	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1121		1567
1122	=cut	1568	=cut
1123		1569
1124	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1126		1572
1127	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1574	}
1131		1575
1132	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		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	$match
		1615	}
1133		1616
1134	=back	1617	=back
1135
1136		1618
1137	=head3 cf::map	1619	=head3 cf::map
1138		1620
1139	=over 4	1621	=over 4
1140		1622
…		…
1195	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1196		1678
1197	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1198	local $self->{path};	1680	local $self->{path};
1199	local $self->{load_path};	1681	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1682
1203	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1204	}	1684	}
1205		1685
1206	sub normalise {	1686	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1254	return $self;	1734	return $self;
1255	}	1735	}
1256	}	1736	}
1257		1737
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1739	()
1260	}	1740	}
1261		1741
1262	sub init {	1742	sub init {
1263	my ($self) = @_;	1743	my ($self) = @_;
…		…
1278		1758
1279	# the original (read-only) location	1759	# the original (read-only) location
1280	sub load_path {	1760	sub load_path {
1281	my ($self) = @_;	1761	my ($self) = @_;
1282		1762
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1284	}	1764	}
1285		1765
1286	# the temporary/swap location	1766	# the temporary/swap location
1287	sub save_path {	1767	sub save_path {
1288	my ($self) = @_;	1768	my ($self) = @_;
1289		1769
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1292	}	1772	}
1293		1773
1294	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1295	sub uniq_path {	1775	sub uniq_path {
1296	my ($self) = @_;	1776	my ($self) = @_;
1297		1777
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1300	}	1780	}
1301		1781
1302	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1303	# all maps in C++...	1783	# all maps in C++...
1304	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1306		1786
1307	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1309	}	1789	}
1310		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1311	sub unlink_save {	1799	sub unlink_save {
1312	my ($self) = @_;	1800	my ($self) = @_;
1313		1801
1314	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1318		1806
1319	sub load_header_from($) {	1807	sub load_header_from($) {
1320	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1321		1809
1322	utf8::encode $path;	1810	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	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;
1328		1819
1329	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1330		1821
1331	1	1822	1
1332	}	1823	}
…		…
1371	$self->load_header_orig	1862	$self->load_header_orig
1372	or return;	1863	or return;
1373	$self->prepare_orig;	1864	$self->prepare_orig;
1374	}	1865	}
1375		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 $self->default_region;
		1872
1376	1	1873	1
1377	}	1874	}
1378		1875
1379	sub find;	1876	sub find;
1380	sub find {	1877	sub find {
1381	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1382		1879
1383	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1384		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1386		1884
1387	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1388	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
1389	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1390	or return;	1890	or return;
1391		1891
1392	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1393		1893
1394	$map->load_header	1894	$map->load_header
1395	or return;	1895	or return;
1396		1896
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1400	$map->reset;	1902	$map->reset;
1401	undef $guard;
1402	return find $path;	1903	return find $path;
1403	}	1904	}
1404		1905
1405	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1406	}	1907	}
…		…
1413	my ($self) = @_;	1914	my ($self) = @_;
1414		1915
1415	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1416		1917
1417	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1419		1922
		1923	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1925
1422	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1423		1927
1424	$self->alloc;	1928	$self->alloc;
1425		1929
1426	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1427		1932
1428	$self->_load_objects ($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)
1429	or return;	1936	or return;
1430		1937
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	1939	if delete $self->{load_original};
1433		1940
1434	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	1942	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	1945	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1439	}	1949	}
1440	}	1950	}
1441		1951
1442	Coro::cede;	1952	$f->resolve_delayed_derefs;
1443		1953
		1954	cf::cede_to_tick;
1444	# now do the right thing for maps	1955	# now do the right thing for maps
1445	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1958	unless $self->difficulty;
1455	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($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;
1456	$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);
1457	}	1975	}
1458		1976
1459	$self->post_load;	1977	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1978	}
1463		1979
1464	sub customise_for {	1980	sub customise_for {
1465	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1466		1982
1467	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1984	if $self->per_player;
1469		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1470	$self	1989	$self
1471	}	1990	}
1472		1991
1473	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	1993	sub load_neighbours {
1475	my ($map) = @_;	1994	my ($map) = @_;
1476		1995
1477	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1478		1997
1479	for (0 .. 3) {	1998	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1481	or next;	2000	or next;
1482	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1483	or next;	2002	or next;
1484	$neigh->load;	2003	$neigh->load;
1485		2004
		2005	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2008	}
1489		2009
1490	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1492	or next;	2013	or next;
1493	$neigh->load;	2014	$neigh->load;
1494	}	2015	}
1495	}	2016	}
1496		2017
…		…
1501	}	2022	}
1502		2023
1503	sub do_load_sync {	2024	sub do_load_sync {
1504	my ($map) = @_;	2025	my ($map) = @_;
1505		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1506	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1507	}	2031	}
1508		2032
1509	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1511		2035
1512	sub find_async {	2036	sub find_async {
1513	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1514		2038
1515	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1516		2040
1517	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2043	}
1520		2044
1521	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1522	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1523	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2050	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2051	$map->load if $v;
		2052	}
1528		2053
1529	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1530	}	2055	}
1531	}	2056	}
1532	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1533	};	2058	};
1534	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2062	}
1538		2063
1539	sub save {	2064	sub save {
1540	my ($self) = @_;	2065	my ($self) = @_;
1541		2066
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2068
1544	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1545		2070
1546	return unless $self->dirty;	2071	return unless $self->dirty;
1547		2072
…		…
1570	my ($self) = @_;	2095	my ($self) = @_;
1571		2096
1572	# save first because save cedes	2097	# save first because save cedes
1573	$self->save;	2098	$self->save;
1574		2099
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2101
1577	return if $self->players;	2102	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2104	return if $self->{deny_save};
1580		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2110	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2111	}
1584		2112
1585	sub reset_at {	2113	sub reset_at {
1586	my ($self) = @_;	2114	my ($self) = @_;
1587		2115
1588	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1591		2118
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2121
…		…
1605	my ($self) = @_;	2132	my ($self) = @_;
1606		2133
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2135
1609	return if $self->players;	2136	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2137
1612	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1613		2139
1614	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1615		2141
1616	# need to save uniques path	2142	# need to save uniques path
1617	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2147	if $uniq;
1622	}	2148	}
1623		2149
1624	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1625		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2154	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2155
1630	$self->unlink_save;	2156	$self->unlink_save;
1631	$self->destroy;	2157	$self->destroy;
1632	}	2158	}
1633		2159
1634	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1635		2161
1636	sub nuke {	2162	sub nuke {
1637	my ($self) = @_;	2163	my ($self) = @_;
1638		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1639	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1640		2169
1641	$self->unlink_save;	2170	$self->unlink_save;
1642		2171
1643	bless $self, "cf::map";	2172	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2177
1649	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1650		2180
1651	$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	]
1652	}	2218	}
1653		2219
1654	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1655		2221
1656	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2223	instantiated unique items. May block.
1658		2224
1659	=cut	2225	=cut
1660		2226
1661	sub unique_maps() {	2227	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1663	or return;	2229	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2230	utf8::decode $_;
1669	next if /\.pst$/;	2231	/\.map$/
1670	next unless /^$PATH_SEP/o;	2232	? normalise $_
1671		2233	: ()
1672	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2235	]
1674
1675	\@paths
1676	}	2236	}
1677		2237
1678	package cf;	2238	package cf;
1679		2239
1680	=back	2240	=back
…		…
1698	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1699	}	2259	}
1700		2260
1701	sub inv_recursive {	2261	sub inv_recursive {
1702	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	}
1703	}	2294	}
1704		2295
1705	package cf;	2296	package cf;
1706		2297
1707	=back	2298	=back
…		…
1726		2317
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2319
1729	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1731	} 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 {
1732	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1734	}	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 (@_);
1735	}	2345	}
1736		2346
1737	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1738		2348
1739	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1787		2397
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2399
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1792		2402
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2404	}
1795		2405
1796	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1798		2410
1799	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1800		2412
1801	unless ($map) {	2413	unless ($map) {
1802	# restore original map position	2414	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1819		2431
1820	$map->load;	2432	$map->load;
1821	$map->load_diag;	2433	$map->load_neighbours;
1822		2434
1823	return unless $self->contr->active;	2435	return unless $self->contr->active;
1824	$self->activate_recursive;	2436	$self->activate_recursive;
1825		2437
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1828	}	2440	}
1829		2441
1830	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2443
1834	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1838	};	2448	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2449
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1865		2453
1866	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1867	my ($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;
1868		2459
1869	$self->enter_link;	2460	$self->enter_link;
1870		2461
1871	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($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 = $obs[rand @obs];
		2471	}
		2472	# else put him there anyways for now #d#
		2473
		2474	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2475	}
		2476	}
		2477
1872	my $map = eval {	2478	my $map = eval {
1873	my $map = cf::map::find $path;	2479	my $map = cf::map::find $path;
		2480
		2481	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2482	$map = $map->customise_for ($self);
		2483	$map = $check->($map) if $check && $map;
		2484	} else {
		2485	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2486	}
		2487
1875	$map	2488	$map
		2489	};
		2490
		2491	if ($@) {
		2492	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2493	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2494	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2495
		2496	if ($gen == $self->{_goto_generation}) {
		2497	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2498	$self->leave_link ($map, $x, $y);
		2499	}
		2500
		2501	$done->() if $done;
1880	})->prio (1);	2502	})->prio (1);
1881	}	2503	}
1882		2504
1883	=item $player_object->enter_exit ($exit_object)	2505	=item $player_object->enter_exit ($exit_object)
1884		2506
…		…
1923		2545
1924	$rmp->{random_seed} ||= $exit->random_seed;	2546	$rmp->{random_seed} ||= $exit->random_seed;
1925		2547
1926	my $data = cf::to_json $rmp;	2548	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2549	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2550	my $meta = "$RANDOMDIR/$md5.meta";
1929		2551
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2552	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2553	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2554	undef $fh;
1933	aio_rename "$meta~", $meta;	2555	aio_rename "$meta~", $meta;
…		…
1942		2564
1943	return unless $self->type == cf::PLAYER;	2565	return unless $self->type == cf::PLAYER;
1944		2566
1945	if ($exit->slaying eq "/!") {	2567	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2568	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2569	# the problem is that $exit might not survive long enough
		2570	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2571	cf::sync_job { prepare_random_map $exit };
1948	}	2572	}
1949		2573
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2574	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2575	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2576	my $sp = $exit->stats->sp;
1953		2577
1954	$self->enter_link;	2578	$self->enter_link;
		2579
		2580	# if exit is damned, update players death & WoR home-position
		2581	$self->contr->savebed ($slaying, $hp, $sp)
		2582	if $exit->flag (FLAG_DAMNED);
1955		2583
1956	(async {	2584	(async {
1957	$self->deactivate_recursive; # just to be sure	2585	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2586	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2587	$self->goto ($slaying, $hp, $sp);
1960		2588
1961	1;	2589	1;
1962	}) {	2590	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2591	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2592	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2593	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2594	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2595
1968	warn "ERROR in enter_exit: $@";	2596	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2597	$self->leave_link;
1970	}	2598	}
1971	})->prio (1);	2599	})->prio (1);
…		…
1987		2615
1988	utf8::encode $text;	2616	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2617	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2618	}
1991		2619
		2620	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2621
		2622	Send a drawinfo or msg packet to the client, formatting the msg for the
		2623	client if neccessary. C<$type> should be a string identifying the type of
		2624	the message, with C<log> being the default. If C<$color> is negative, suppress
		2625	the message unless the client supports the msg packet.
		2626
		2627	=cut
		2628
		2629	our %CHANNEL = (
		2630	"c/identify" => {
		2631	id => "identify",
		2632	title => "Identify",
		2633	reply => undef,
		2634	tooltip => "Items recently identified",
		2635	},
		2636	"c/examine" => {
		2637	id => "examine",
		2638	title => "Examine",
		2639	reply => undef,
		2640	tooltip => "Signs and other items you examined",
		2641	},
		2642	);
		2643
		2644	sub cf::client::send_msg {
		2645	my ($self, $channel, $msg, $color, @extra) = @_;
		2646
		2647	$msg = $self->pl->expand_cfpod ($msg);
		2648
		2649	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2650
		2651	# check predefined channels, for the benefit of C
		2652	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2653
		2654	if (ref $channel) {
		2655	# send meta info to client, if not yet sent
		2656	unless (exists $self->{channel}{$channel->{id}}) {
		2657	$self->{channel}{$channel->{id}} = $channel;
		2658	$self->ext_msg (channel_info => $channel)
		2659	if $self->can_msg;
		2660	}
		2661
		2662	$channel = $channel->{id};
		2663	}
		2664
		2665	return unless @extra || length $msg;
		2666
		2667	if ($self->can_msg) {
		2668	# default colour, mask it out
		2669	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2670	if $color & cf::NDI_DEF;
		2671
		2672	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2673	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2674	} else {
		2675	if ($color >= 0) {
		2676	# replace some tags by gcfclient-compatible ones
		2677	for ($msg) {
		2678	1 while
		2679	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2680	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2681	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2682	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2683	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2684	}
		2685
		2686	$color &= cf::NDI_COLOR_MASK;
		2687
		2688	utf8::encode $msg;
		2689
		2690	if (0 && $msg =~ /\[/) {
		2691	# COMMAND/INFO
		2692	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2693	} else {
		2694	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2695	$self->send_packet ("drawinfo $color $msg")
		2696	}
		2697	}
		2698	}
		2699	}
		2700
		2701	=item $client->ext_msg ($type, @msg)
		2702
		2703	Sends an ext event to the client.
		2704
		2705	=cut
		2706
		2707	sub cf::client::ext_msg($$@) {
		2708	my ($self, $type, @msg) = @_;
		2709
		2710	if ($self->extcmd == 2) {
		2711	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2712	} elsif ($self->extcmd == 1) { # TODO: remove
		2713	push @msg, msgtype => "event_$type";
		2714	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2715	}
		2716	}
		2717
		2718	=item $client->ext_reply ($msgid, @msg)
		2719
		2720	Sends an ext reply to the client.
		2721
		2722	=cut
		2723
		2724	sub cf::client::ext_reply($$@) {
		2725	my ($self, $id, @msg) = @_;
		2726
		2727	if ($self->extcmd == 2) {
		2728	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2729	} elsif ($self->extcmd == 1) {
		2730	#TODO: version 1, remove
		2731	unshift @msg, msgtype => "reply", msgid => $id;
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2733	}
		2734	}
1992		2735
1993	=item $success = $client->query ($flags, "text", \&cb)	2736	=item $success = $client->query ($flags, "text", \&cb)
1994		2737
1995	Queues a query to the client, calling the given callback with	2738	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2739	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2740	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2741
1999	Queries can fail, so check the return code. Or don't, as queries will become	2742	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2743	become reliable at some point in the future.
2001		2744
2002	=cut	2745	=cut
2003		2746
2004	sub cf::client::query {	2747	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2748	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2756	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2757	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2758
2016	$self->send_packet ($self->{query_queue}[0][0])	2759	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2760	if @{ $self->{query_queue} } == 1;
		2761
		2762	1
2018	}	2763	}
2019		2764
2020	cf::client->attach (	2765	cf::client->attach (
		2766	on_connect => sub {
		2767	my ($ns) = @_;
		2768
		2769	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2770	},
2021	on_reply => sub {	2771	on_reply => sub {
2022	my ($ns, $msg) = @_;	2772	my ($ns, $msg) = @_;
2023		2773
2024	# this weird shuffling is so that direct followup queries	2774	# this weird shuffling is so that direct followup queries
2025	# get handled first	2775	# get handled first
…		…
2037	} else {	2787	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2788	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2789	}
2040	}	2790	}
2041	},	2791	},
		2792	on_exticmd => sub {
		2793	my ($ns, $buf) = @_;
		2794
		2795	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2796
		2797	if (ref $msg) {
		2798	my ($type, $reply, @payload) =
		2799	"ARRAY" eq ref $msg
		2800	? @$msg
		2801	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2802
		2803	my @reply;
		2804
		2805	if (my $cb = $EXTICMD{$type}) {
		2806	@reply = $cb->($ns, @payload);
		2807	}
		2808
		2809	$ns->ext_reply ($reply, @reply)
		2810	if $reply;
		2811
		2812	} else {
		2813	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2814	}
		2815
		2816	cf::override;
		2817	},
2042	);	2818	);
2043		2819
2044	=item $client->async (\&cb)	2820	=item $client->async (\&cb)
2045		2821
2046	Create a new coroutine, running the specified callback. The coroutine will	2822	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	2863	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	2864	our $safe_hole = new Safe::Hole;
2089		2865
2090	$SIG{FPE} = 'IGNORE';	2866	$SIG{FPE} = 'IGNORE';
2091		2867
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2868	$safe->permit_only (Opcode::opset qw(
		2869	:base_core :base_mem :base_orig :base_math
		2870	grepstart grepwhile mapstart mapwhile
		2871	sort time
		2872	));
2093		2873
2094	# here we export the classes and methods available to script code	2874	# here we export the classes and methods available to script code
2095		2875
2096	=pod	2876	=pod
2097		2877
2098	The following fucntions and emthods are available within a safe environment:	2878	The following functions and methods are available within a safe environment:
2099		2879
2100	cf::object contr pay_amount pay_player map	2880	cf::object
		2881	contr pay_amount pay_player map x y force_find force_add
		2882	insert remove name archname title slaying race decrease_ob_nr
		2883
2101	cf::object::player player	2884	cf::object::player
2102	cf::player peaceful	2885	player
2103	cf::map trigger	2886
		2887	cf::player
		2888	peaceful
		2889
		2890	cf::map
		2891	trigger
2104		2892
2105	=cut	2893	=cut
2106		2894
2107	for (	2895	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	2896	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2897	insert remove inv name archname title slaying race
		2898	decrease_ob_nr)],
2109	["cf::object::player" => qw(player)],	2899	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	2900	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	2901	["cf::map" => qw(trigger)],
2112	) {	2902	) {
2113	no strict 'refs';	2903	no strict 'refs';
…		…
2184	=back	2974	=back
2185		2975
2186	=cut	2976	=cut
2187		2977
2188	#############################################################################	2978	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	2979	# the server's init and main functions
2262		2980
2263	sub load_faces {	2981	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	2982	my ($path) = @_;
2265		2983
		2984	# HACK to clear player env face cache, we need some signal framework
		2985	# for this (global event?)
		2986	%ext::player_env::MUSIC_FACE_CACHE = ();
		2987
		2988	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2989
2266	warn "loading faces from $path\n";	2990	warn "loading facedata from $path\n";
2267		2991
2268	my $faces;	2992	my $facedata;
2269	0 < aio_load $path, $faces	2993	0 < aio_load $path, $facedata
2270	or die "$path: $!";	2994	or die "$path: $!";
2271		2995
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	2996	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		2997
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	2998	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	2999	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3000
		3001	# patch in the exptable
		3002	$facedata->{resource}{"res/exp_table"} = {
		3003	type => FT_RSRC,
		3004	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3005	};
		3006	cf::cede_to_tick;
		3007
		3008	{
		3009	my $faces = $facedata->{faceinfo};
		3010
2280	while (my ($face, $info) = each %$faces) {	3011	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3012	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3013	cf::face::set_visibility $idx, $info->{visibility};
		3014	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3015	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	Coro::cede;	3016	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	}
2286		3017
		3018	cf::cede_to_tick;
		3019	}
		3020
2287	while (my ($face, $info) = each %$faces) {	3021	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3022	next unless $info->{smooth};
2289	my $idx = cf::face::find $face	3023	my $idx = cf::face::find $face
2290	or next;	3024	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {	3025	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	3026	cf::face::set_smooth $idx, $smooth;
		3027	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	3028	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	3029	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	3030	}
2296	Coro::cede;	3031
		3032	cf::cede_to_tick;
		3033	}
		3034	}
		3035
		3036	{
		3037	my $anims = $facedata->{animinfo};
		3038
		3039	while (my ($anim, $info) = each %$anims) {
		3040	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3041	cf::cede_to_tick;
		3042	}
		3043
		3044	cf::anim::invalidate_all; # d'oh
		3045	}
		3046
		3047	{
		3048	# TODO: for gcfclient pleasure, we should give resources
		3049	# that gcfclient doesn't grok a >10000 face index.
		3050	my $res = $facedata->{resource};
		3051
		3052	my $soundconf = delete $res->{"res/sound.conf"};
		3053
		3054	while (my ($name, $info) = each %$res) {
		3055	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3056	my $data;
		3057
		3058	if ($info->{type} & 1) {
		3059	# prepend meta info
		3060
		3061	my $meta = $enc->encode ({
		3062	name => $name,
		3063	%{ $info->{meta} || {} },
		3064	});
		3065
		3066	$data = pack "(w/a*)*", $meta, $info->{data};
		3067	} else {
		3068	$data = $info->{data};
		3069	}
		3070
		3071	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3072	cf::face::set_type $idx, $info->{type};
		3073
		3074	cf::cede_to_tick;
		3075	}
		3076
		3077	if ($soundconf) {
		3078	$soundconf = $enc->decode (delete $soundconf->{data});
		3079
		3080	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3081	my $sound = $soundconf->{compat}[$_]
		3082	or next;
		3083
		3084	my $face = cf::face::find "sound/$sound->[1]";
		3085	cf::sound::set $sound->[0] => $face;
		3086	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3087	}
		3088
		3089	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3090	my $face = cf::face::find "sound/$v";
		3091	cf::sound::set $k => $face;
		3092	}
		3093	}
2297	}	3094	}
2298		3095
2299	1	3096	1
2300	}	3097	}
2301		3098
		3099	register_exticmd fx_want => sub {
		3100	my ($ns, $want) = @_;
		3101
		3102	while (my ($k, $v) = each %$want) {
		3103	$ns->fx_want ($k, $v);
		3104	}
		3105	};
		3106
		3107	sub reload_regions {
		3108	# HACK to clear player env face cache, we need some signal framework
		3109	# for this (global event?)
		3110	%ext::player_env::MUSIC_FACE_CACHE = ();
		3111
		3112	load_resource_file "$MAPDIR/regions"
		3113	or die "unable to load regions file\n";
		3114
		3115	for (cf::region::list) {
		3116	$_->{match} = qr/$_->{match}/
		3117	if exists $_->{match};
		3118	}
		3119	}
		3120
		3121	sub reload_facedata {
		3122	load_facedata "$DATADIR/facedata"
		3123	or die "unable to load facedata\n";
		3124	}
		3125
		3126	sub reload_archetypes {
		3127	load_resource_file "$DATADIR/archetypes"
		3128	or die "unable to load archetypes\n";
		3129	#d# NEED to laod twice to resolve forward references
		3130	# this really needs to be done in an extra post-pass
		3131	# (which needs to be synchronous, so solve it differently)
		3132	load_resource_file "$DATADIR/archetypes"
		3133	or die "unable to load archetypes\n";
		3134	}
		3135
		3136	sub reload_treasures {
		3137	load_resource_file "$DATADIR/treasures"
		3138	or die "unable to load treasurelists\n";
		3139	}
		3140
2302	sub reload_resources {	3141	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3142	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3143
		3144	reload_regions;
2305	load_faces	3145	reload_facedata;
2306	or die "unable to load faces\n";#d#	3146	#reload_archetypes;#d#
		3147	reload_archetypes;
		3148	reload_treasures;
		3149
		3150	warn "finished reloading resource files\n";
2307	}	3151	}
2308		3152
2309	sub init {	3153	sub init {
2310	reload_resources;	3154	reload_resources;
2311	}	3155	}
2312		3156
2313	sub cfg_load {	3157	sub reload_config {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3158	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3159	or return;
2316		3160
2317	local $/;	3161	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3162	*CFG = YAML::Syck::Load <$fh>;
2319		3163
…		…
2338	(async {	3182	(async {
2339	Event::one_event;	3183	Event::one_event;
2340	})->prio (Coro::PRIO_MAX);	3184	})->prio (Coro::PRIO_MAX);
2341	};	3185	};
2342		3186
2343	cfg_load;	3187	reload_config;
2344	db_init;	3188	db_init;
2345	load_extensions;	3189	load_extensions;
2346		3190
2347	$TICK_WATCHER->start;	3191	$TICK_WATCHER->start;
2348	Event::loop;	3192	Event::loop;
…		…
2364	},	3208	},
2365	);	3209	);
2366	}	3210	}
2367	}	3211	}
2368		3212
		3213	sub write_runtime {
		3214	my $runtime = "$LOCALDIR/runtime";
		3215
		3216	# first touch the runtime file to show we are still running:
		3217	# the fsync below can take a very very long time.
		3218
		3219	IO::AIO::aio_utime $runtime, undef, undef;
		3220
		3221	my $guard = cf::lock_acquire "write_runtime";
		3222
		3223	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3224	or return;
		3225
		3226	my $value = $cf::RUNTIME + 90 + 10;
		3227	# 10 is the runtime save interval, for a monotonic clock
		3228	# 60 allows for the watchdog to kill the server.
		3229
		3230	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3231	and return;
		3232
		3233	# always fsync - this file is important
		3234	aio_fsync $fh
		3235	and return;
		3236
		3237	# touch it again to show we are up-to-date
		3238	aio_utime $fh, undef, undef;
		3239
		3240	close $fh
		3241	or return;
		3242
		3243	aio_rename "$runtime~", $runtime
		3244	and return;
		3245
		3246	warn "runtime file written.\n";
		3247
		3248	1
		3249	}
		3250
2369	sub emergency_save() {	3251	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3252	my $freeze_guard = cf::freeze_mainloop;
2371		3253
2372	warn "enter emergency perl save\n";	3254	warn "enter emergency perl save\n";
2373		3255
…		…
2404		3286
2405	warn Carp::longmess "post_cleanup backtrace"	3287	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3288	if $make_core;
2407	}	3289	}
2408		3290
2409	sub reload() {	3291	sub do_reload_perl() {
2410	# can/must only be called in main	3292	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3293	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3294	warn "can only reload from main coroutine";
2413	return;	3295	return;
2414	}	3296	}
…		…
2448	%EXT_CORO = ();	3330	%EXT_CORO = ();
2449		3331
2450	warn "removing commands";	3332	warn "removing commands";
2451	%COMMAND = ();	3333	%COMMAND = ();
2452		3334
2453	warn "removing ext commands";	3335	warn "removing ext/exti commands";
2454	%EXTCMD = ();	3336	%EXTCMD = ();
		3337	%EXTICMD = ();
2455		3338
2456	warn "unloading/nuking all extensions";	3339	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3340	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3341	warn "... unloading $pkg";
2459		3342
…		…
2489	Symbol::delete_package "safe::$_"	3372	Symbol::delete_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3373	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3374
2492	warn "unloading cf.pm \"a bit\"";	3375	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3376	delete $INC{"cf.pm"};
		3377	delete $INC{"cf/pod.pm"};
2494		3378
2495	# don't, removes xs symbols, too,	3379	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3380	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3381	#Symbol::delete_package __PACKAGE__;
2498		3382
…		…
2501	warn "reloading cf.pm";	3385	warn "reloading cf.pm";
2502	require cf;	3386	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3387	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2504		3388
2505	warn "loading config and database again";	3389	warn "loading config and database again";
2506	cf::cfg_load;	3390	cf::reload_config;
2507		3391
2508	warn "loading extensions";	3392	warn "loading extensions";
2509	cf::load_extensions;	3393	cf::load_extensions;
2510		3394
2511	warn "reattaching attachments to objects/players";	3395	warn "reattaching attachments to objects/players";
…		…
2513	warn "reattaching attachments to maps";	3397	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3398	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3399	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3400	reattach $_ for values %PLAYER;
2517		3401
2518	warn "loading reloadable resources";
2519	reload_resources;
2520
2521	warn "leaving sync_job";	3402	warn "leaving sync_job";
2522		3403
2523	1	3404	1
2524	} or do {	3405	} or do {
2525	warn $@;	3406	warn $@;
…		…
2530	warn "reloaded";	3411	warn "reloaded";
2531	};	3412	};
2532		3413
2533	our $RELOAD_WATCHER; # used only during reload	3414	our $RELOAD_WATCHER; # used only during reload
2534		3415
		3416	sub reload_perl() {
		3417	# doing reload synchronously and two reloads happen back-to-back,
		3418	# coro crashes during coro_state_free->destroy here.
		3419
		3420	$RELOAD_WATCHER ||= Event->timer (
		3421	reentrant => 0,
		3422	after => 0,
		3423	data => WF_AUTOCANCEL,
		3424	cb => sub {
		3425	do_reload_perl;
		3426	undef $RELOAD_WATCHER;
		3427	},
		3428	);
		3429	}
		3430
2535	register_command "reload" => sub {	3431	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3432	my ($who, $arg) = @_;
2537		3433
2538	if ($who->flag (FLAG_WIZ)) {	3434	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3435	$who->message ("reloading server.");
2540		3436	async { reload_perl };
2541	# doing reload synchronously and two reloads happen back-to-back,
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);
2553	}	3437	}
2554	};	3438	};
2555		3439
2556	unshift @INC, $LIBDIR;	3440	unshift @INC, $LIBDIR;
2557		3441
2558	my $bug_warning = 0;	3442	my $bug_warning = 0;
		3443
		3444	our @WAIT_FOR_TICK;
		3445	our @WAIT_FOR_TICK_BEGIN;
		3446
		3447	sub wait_for_tick {
		3448	return unless $TICK_WATCHER->is_active;
		3449	return if $Coro::current == $Coro::main;
		3450
		3451	my $signal = new Coro::Signal;
		3452	push @WAIT_FOR_TICK, $signal;
		3453	$signal->wait;
		3454	}
		3455
		3456	sub wait_for_tick_begin {
		3457	return unless $TICK_WATCHER->is_active;
		3458	return if $Coro::current == $Coro::main;
		3459
		3460	my $signal = new Coro::Signal;
		3461	push @WAIT_FOR_TICK_BEGIN, $signal;
		3462	$signal->wait;
		3463	}
		3464
		3465	our $stat_fh;
		3466	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2559		3467
2560	$TICK_WATCHER = Event->timer (	3468	$TICK_WATCHER = Event->timer (
2561	reentrant => 0,	3469	reentrant => 0,
2562	parked => 1,	3470	parked => 1,
2563	prio => 0,	3471	prio => 0,
…		…
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3476	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	3477	unless ++$bug_warning > 10;
2570	return;	3478	return;
2571	}	3479	}
2572		3480
		3481	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3482
2573	$NOW = Event::time;	3483	$NOW = $tick_start = Event::time;
2574		3484
2575	cf::server_tick; # one server iteration	3485	cf::server_tick; # one server iteration
		3486
2576	$RUNTIME += $TICK;	3487	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;	3488	$NEXT_TICK += $TICK;
2578		3489
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3491	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2582	write_runtime	3493	write_runtime
2583	or warn "ERROR: unable to write runtime file: $!";	3494	or warn "ERROR: unable to write runtime file: $!";
2584	};	3495	};
2585	}	3496	}
2586		3497
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;	3498	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#	3499	# warn $AFTER - $NOW;#d#
2592		3500
		3501	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3502	$sig->send;
		3503	}
		3504	while (my $sig = shift @WAIT_FOR_TICK) {
		3505	$sig->send;
		3506	}
		3507
		3508	$NOW = Event::time;
		3509
2593	# if we are delayed by four ticks or more, skip them all	3510	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3511	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2595		3512
2596	$TICK_WATCHER->at ($NEXT_TICK);	3513	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;	3514	$TICK_WATCHER->start;
		3515
		3516	$LOAD = ($NOW - $tick_start) / $TICK;
		3517	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3518
		3519	_post_tick;
		3520
		3521	# gather some statistics#d#
		3522	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3523	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2598	},	3524	},
2599	);	3525	);
2600		3526
2601	{	3527	{
		3528	BDB::min_parallel 8;
2602	BDB::max_poll_time $TICK * 0.1;	3529	BDB::max_poll_time $TICK * 0.1;
2603	$BDB_POLL_WATCHER = Event->io (	3530	$BDB_POLL_WATCHER = Event->io (
2604	reentrant => 0,	3531	reentrant => 0,
2605	fd => BDB::poll_fileno,	3532	fd => BDB::poll_fileno,
2606	poll => 'r',	3533	poll => 'r',
2607	prio => 0,	3534	prio => 0,
2608	data => WF_AUTOCANCEL,	3535	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,	3536	cb => \&BDB::poll_cb,
2610	);	3537	);
2611	BDB::min_parallel 8;
2612		3538
2613	BDB::set_sync_prepare {	3539	BDB::set_sync_prepare {
2614	my $status;	3540	my $status;
2615	my $current = $Coro::current;	3541	my $current = $Coro::current;
2616	(	3542	(
…		…
2630		3556
2631	cf::sync_job {	3557	cf::sync_job {
2632	eval {	3558	eval {
2633	BDB::db_env_open	3559	BDB::db_env_open
2634	$DB_ENV,	3560	$DB_ENV,
2635	$BDB_ENV_DIR,	3561	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3562	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3563	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3564	0666;
2639		3565
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3566	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641		3567
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3569	| BDB::LOG_AUTOREMOVE, 1);
2643	$DB_ENV->set_lk_detect;	3570	$DB_ENV->set_lk_detect;
2644	};	3571	};
2645		3572
2646	cf::cleanup "db_env_open(db): $@" if $@;	3573	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	3574	};
2648	}	3575	}
		3576
		3577	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3578	after => 11,
		3579	interval => 60,
		3580	hard => 1,
		3581	prio => 0,
		3582	data => WF_AUTOCANCEL,
		3583	cb => sub {
		3584	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3585	},
		3586	);
		3587	$BDB_TRICKLE_WATCHER = Event->timer (
		3588	after => 5,
		3589	interval => 10,
		3590	hard => 1,
		3591	prio => 0,
		3592	data => WF_AUTOCANCEL,
		3593	cb => sub {
		3594	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3595	},
		3596	);
2649	}	3597	}
2650		3598
2651	{	3599	{
2652	IO::AIO::min_parallel 8;	3600	IO::AIO::min_parallel 8;
2653		3601
…		…
2661	prio => 6,	3609	prio => 6,
2662	cb => \&IO::AIO::poll_cb,	3610	cb => \&IO::AIO::poll_cb,
2663	);	3611	);
2664	}	3612	}
2665		3613
		3614	my $_log_backtrace;
		3615
		3616	sub _log_backtrace {
		3617	my ($msg, @addr) = @_;
		3618
		3619	$msg =~ s/\n//;
		3620
		3621	# limit the # of concurrent backtraces
		3622	if ($_log_backtrace < 2) {
		3623	++$_log_backtrace;
		3624	async {
		3625	my @bt = fork_call {
		3626	@addr = map { sprintf "%x", $_ } @addr;
		3627	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3628	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3629	or die "addr2line: $!";
		3630
		3631	my @funcs;
		3632	my @res = <$fh>;
		3633	chomp for @res;
		3634	while (@res) {
		3635	my ($func, $line) = splice @res, 0, 2, ();
		3636	push @funcs, "[$func] $line";
		3637	}
		3638
		3639	@funcs
		3640	};
		3641
		3642	LOG llevInfo, "[ABT] $msg\n";
		3643	LOG llevInfo, "[ABT] $_\n" for @bt;
		3644	--$_log_backtrace;
		3645	};
		3646	} else {
		3647	LOG llevInfo, "[ABT] $msg\n";
		3648	LOG llevInfo, "[ABT] [suppressed]\n";
		3649	}
		3650	}
		3651
		3652	# load additional modules
		3653	use cf::pod;
		3654
2666	END { cf::emergency_save }	3655	END { cf::emergency_save }
2667		3656
2668	1	3657	1
2669		3658

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