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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.363 by root, Mon Sep 10 17:24:36 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"
376	}	630	}
377		631
378	=item cf::datalog type => key => value, ...	632	=item cf::datalog type => key => value, ...
379		633
380	Log a datalog packet of the given type with the given key-value pairs.	634	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	652	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
400		654
401	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>
402	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
403	crossfire+).	657	Crossfire TRT).
404		658
405	=over 4	659	=over 4
406		660
407	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
408		662
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
572		826
573	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		831
578	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	833	my $pkg = shift @arg;
580		834
581	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
611	}	865	}
612		866
613	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
614	} else {	868	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	870	}
617		871
618	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
619	}	873	}
620		874
…		…
622	if (ref $_[0]) {	876	if (ref $_[0]) {
623	_object_attach @_;	877	_object_attach @_;
624	} else {	878	} else {
625	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
626	}	880	}
		881	_recalc_want;
627	};	882	};
628		883
629	# all those should be optimised	884	# all those should be optimised
630	sub cf::attachable::detach {	885	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
635	reattach ($obj);	890	reattach ($obj);
636	} else {	891	} else {
637	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
638	}	893	}
		894	_recalc_want;
639	};	895	};
640		896
641	sub cf::attachable::attached {	897	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
643		899
…		…
658	";	914	";
659	die if $@;	915	die if $@;
660	}	916	}
661		917
662	our $override;	918	our $override;
663	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?
664		920
665	sub override {	921	sub override {
666	$override = 1;	922	$override = 1;
667	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
668	}	924	}
669		925
670	sub do_invoke {	926	sub do_invoke {
671	my $event = shift;	927	my $event = shift;
672	my $callbacks = shift;	928	my $callbacks = shift;
673		929
674	@invoke_results = ();	930	@INVOKE_RESULTS = ();
675		931
676	local $override;	932	local $override;
677		933
678	for (@$callbacks) {	934	for (@$callbacks) {
679	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
696		952
697	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
698		954
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		958
703	=back	959	=back
704		960
705	=cut	961	=cut
706		962
707	#############################################################################	963	#############################################################################
708	# 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	}
709		976
710	sub reattach {	977	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	979	my ($obj) = @_;
713		980
…		…
758	);	1025	);
759		1026
760	sub object_freezer_save {	1027	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
762		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
763	sync_job {	1032	sync_job {
764	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
767		1037
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1041	aio_fsync $fh if $cf::USE_FSYNC;
…		…
790	}	1060	}
791	} else {	1061	} else {
792	aio_unlink $filename;	1062	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
794	}	1064	}
795	}	1065	};
		1066
		1067	undef $guard;
796	}	1068	}
797		1069
798	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
800		1072
…		…
805		1077
806	sub object_thawer_load {	1078	sub object_thawer_load {
807	my ($filename) = @_;	1079	my ($filename) = @_;
808		1080
809	my ($data, $av);	1081	my ($data, $av);
		1082
		1083	my $guard = cf::lock_acquire "io";
810		1084
811	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
812	or return;	1086	or return;
813		1087
814	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
816	or return;	1090	or return;
		1091
		1092	undef $guard;
817	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1094	}
819		1095
		1096	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
822	return ($data, $av);	1100	($data, $av)
823	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
824		1108
825	#############################################################################	1109	#############################################################################
826	# command handling &c	1110	# command handling &c
827		1111
828	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1126	}
843		1127
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1129
846	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.
847		1135
848	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
849	called.	1137	called.
850		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
851	=cut	1150	=cut
852		1151
853	sub register_extcmd {	1152	sub register_extcmd {
854	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
855		1154
856	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
857	}	1162	}
858		1163
859	cf::player->attach (	1164	cf::player->attach (
860	on_command => sub {	1165	on_command => sub {
861	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1175	cf::override;
871	},	1176	},
872	on_extcmd => sub {	1177	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
874		1179
875	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1181
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
883	} else {	1197	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1199	}
886		1200
887	cf::override;	1201	cf::override;
888	},	1202	},
889	);	1203	);
890		1204
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
926	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1210	next unless -r $path;
928	eval {	1211
929	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;
930	1	1269	}
931	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
932	}	1275	};
933	}	1276	}
934		1277
935	#############################################################################	1278	#############################################################################
936		1279
		1280	=back
		1281
937	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
938		1283
939	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
940		1285
941	=cut	1286	=cut
…		…
946		1291
947	=head3 cf::player	1292	=head3 cf::player
948		1293
949	=over 4	1294	=over 4
950		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
951	=item cf::player::find $login	1310	=item cf::player::find $login
952		1311
953	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
954		1313
955	=cut	1314	=cut
956		1315
957	sub playerdir($) {	1316	sub playerdir($) {
958	cf::localdir	1317	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1319	}
964		1320
965	sub path($) {	1321	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1323
968	(playerdir $login) . "/$login.pl"	1324	(playerdir $login) . "/playerdata"
969	}	1325	}
970		1326
971	sub find_active($) {	1327	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1328	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1329	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1342	my $login = $_[0];
987		1343
988	my $guard = cf::lock_acquire "user_find:$login";	1344	my $guard = cf::lock_acquire "user_find:$login";
989		1345
990	$cf::PLAYER{$_[0]} || do {	1346	$cf::PLAYER{$_[0]} || do {
991	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
992	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;
993	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
994	}	1363	}
995	}	1364	}
996	}	1365	}
997		1366
…		…
1007		1376
1008	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1010		1379
1011	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1012	Coro::cede;	1381	cf::cede_to_tick;
1013	}	1382	}
1014		1383
1015	sub new($) {	1384	sub new($) {
1016	my ($login) = @_;	1385	my ($login) = @_;
1017		1386
…		…
1021	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1022		1391
1023	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1024		1393
1025	$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 (@_);
1026	}	1405	}
1027		1406
1028	=item $pl->quit_character	1407	=item $pl->quit_character
1029		1408
1030	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
…		…
1079	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1080		1459
1081	=cut	1460	=cut
1082		1461
1083	sub list_logins {	1462	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1464	or return [];
1086		1465
1087	my @logins;	1466	my @logins;
1088		1467
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1093		1477
1094	utf8::decode $login;	1478	utf8::decode $login;
1095	push @logins, $login;	1479	push @logins, $login;
1096	}	1480	}
1097		1481
…		…
1124	}	1508	}
1125		1509
1126	\@paths	1510	\@paths
1127	}	1511	}
1128		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
1129	=item $player->ext_reply ($msgid, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1130		1565
1131	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1132		1567
1133	=cut	1568	=cut
1134		1569
1135	sub ext_reply($$%) {	1570	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1137		1572
1138	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1574	}
1142		1575
1143	=item $player->ext_event ($type, %msg)	1576	=item $player->ext_msg ($type, @msg)
1144		1577
1145	Sends an ext event to the client.	1578	Sends an ext event to the client.
1146		1579
1147	=cut	1580	=cut
1148		1581
1149	sub ext_event($$%) {	1582	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1583	my ($self, $type, @msg) = @_;
1151		1584
1152	delete $msg{msgid};	1585	$self->ns->ext_msg ($type, @msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1586	}
1158		1587
1159	package cf;	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	$match
		1615	}
1160		1616
1161	=back	1617	=back
1162
1163		1618
1164	=head3 cf::map	1619	=head3 cf::map
1165		1620
1166	=over 4	1621	=over 4
1167		1622
…		…
1222	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1223		1678
1224	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1225	local $self->{path};	1680	local $self->{path};
1226	local $self->{load_path};	1681	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		1682
1230	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1231	}	1684	}
1232		1685
1233	sub normalise {	1686	sub normalise {
…		…
1280	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1281	return $self;	1734	return $self;
1282	}	1735	}
1283	}	1736	}
1284		1737
1285	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1286	()	1739	()
1287	}	1740	}
1288		1741
1289	sub init {	1742	sub init {
1290	my ($self) = @_;	1743	my ($self) = @_;
…		…
1305		1758
1306	# the original (read-only) location	1759	# the original (read-only) location
1307	sub load_path {	1760	sub load_path {
1308	my ($self) = @_;	1761	my ($self) = @_;
1309		1762
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1311	}	1764	}
1312		1765
1313	# the temporary/swap location	1766	# the temporary/swap location
1314	sub save_path {	1767	sub save_path {
1315	my ($self) = @_;	1768	my ($self) = @_;
1316		1769
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1319	}	1772	}
1320		1773
1321	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1322	sub uniq_path {	1775	sub uniq_path {
1323	my ($self) = @_;	1776	my ($self) = @_;
1324		1777
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1327	}	1780	}
1328		1781
1329	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1330	# all maps in C++...	1783	# all maps in C++...
1331	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1333		1786
1334	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1335	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1336	}	1789	}
1337		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1338	sub unlink_save {	1799	sub unlink_save {
1339	my ($self) = @_;	1800	my ($self) = @_;
1340		1801
1341	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1345		1806
1346	sub load_header_from($) {	1807	sub load_header_from($) {
1347	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1348		1809
1349	utf8::encode $path;	1810	utf8::encode $path;
1350	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1351	# or return;
1352
1353	$self->_load_header ($path)
1354	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;
1355		1819
1356	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1357		1821
1358	1	1822	1
1359	}	1823	}
…		…
1398	$self->load_header_orig	1862	$self->load_header_orig
1399	or return;	1863	or return;
1400	$self->prepare_orig;	1864	$self->prepare_orig;
1401	}	1865	}
1402		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 $self->default_region;
		1872
1403	1	1873	1
1404	}	1874	}
1405		1875
1406	sub find;	1876	sub find;
1407	sub find {	1877	sub find {
1408	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1409		1879
1410	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1411		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1412	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1413		1884
1414	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1415	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
1416	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1417	or return;	1890	or return;
1418		1891
1419	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1420		1893
1421	$map->load_header	1894	$map->load_header
1422	or return;	1895	or return;
1423		1896
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1427	$map->reset;	1902	$map->reset;
1428	undef $guard;
1429	return find $path;	1903	return find $path;
1430	}	1904	}
1431		1905
1432	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1433	}	1907	}
…		…
1440	my ($self) = @_;	1914	my ($self) = @_;
1441		1915
1442	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1443		1917
1444	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1445	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1446		1922
		1923	return unless $self->valid;
1447	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1448		1925
1449	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1450		1927
1451	$self->alloc;	1928	$self->alloc;
1452		1929
1453	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1454		1932
1455	$self->_load_objects ($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)
1456	or return;	1936	or return;
1457		1937
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1459	if delete $self->{load_original};	1939	if delete $self->{load_original};
1460		1940
1461	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;	1942	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1464	$self->clear_unique_items;	1945	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1466	}	1949	}
1467	}	1950	}
1468		1951
1469	Coro::cede;	1952	$f->resolve_delayed_derefs;
1470		1953
		1954	cf::cede_to_tick;
1471	# now do the right thing for maps	1955	# now do the right thing for maps
1472	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;
1479	$self->set_darkness_map;
1480	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	1958	unless $self->difficulty;
1482	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($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;
1483	$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);
1484	}	1975	}
1485		1976
1486	$self->post_load;	1977	$self->post_load;
1487
1488	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	1978	}
1490		1979
1491	sub customise_for {	1980	sub customise_for {
1492	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1493		1982
1494	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	1984	if $self->per_player;
1496		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1497	$self	1989	$self
1498	}	1990	}
1499		1991
1500	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1501	sub load_diag {	1993	sub load_neighbours {
1502	my ($map) = @_;	1994	my ($map) = @_;
1503		1995
1504	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1505		1997
1506	for (0 .. 3) {	1998	for (0 .. 3) {
1507	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1508	or next;	2000	or next;
1509	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1510	or next;	2002	or next;
1511	$neigh->load;	2003	$neigh->load;
1512		2004
		2005	push @neigh,
1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1515	}	2008	}
1516		2009
1517	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1518	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1519	or next;	2013	or next;
1520	$neigh->load;	2014	$neigh->load;
1521	}	2015	}
1522	}	2016	}
1523		2017
…		…
1528	}	2022	}
1529		2023
1530	sub do_load_sync {	2024	sub do_load_sync {
1531	my ($map) = @_;	2025	my ($map) = @_;
1532		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1533	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1534	}	2031	}
1535		2032
1536	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1537	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1538		2035
1539	sub find_async {	2036	sub find_async {
1540	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1541		2038
1542	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1543		2040
1544	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1546	}	2043	}
1547		2044
1548	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1549	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1550	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1551	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1552	my $map = find $path	2050	if (my $map = find $k) {
1553	or next;
1554	$map->load;	2051	$map->load if $v;
		2052	}
1555		2053
1556	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1557	}	2055	}
1558	}	2056	}
1559	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1560	};	2058	};
1561	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1564	}	2062	}
1565		2063
1566	sub save {	2064	sub save {
1567	my ($self) = @_;	2065	my ($self) = @_;
1568		2066
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1570		2068
1571	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1572		2070
1573	return unless $self->dirty;	2071	return unless $self->dirty;
1574		2072
…		…
1597	my ($self) = @_;	2095	my ($self) = @_;
1598		2096
1599	# save first because save cedes	2097	# save first because save cedes
1600	$self->save;	2098	$self->save;
1601		2099
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2101
1604	return if $self->players;	2102	return if $self->players;
1605	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1606	return if $self->{deny_save};	2104	return if $self->{deny_save};
1607		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2110	$self->clear;
1609	$self->in_memory (cf::MAP_SWAPPED);
1610	}	2111	}
1611		2112
1612	sub reset_at {	2113	sub reset_at {
1613	my ($self) = @_;	2114	my ($self) = @_;
1614		2115
1615	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1618		2118
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		2121
…		…
1632	my ($self) = @_;	2132	my ($self) = @_;
1633		2133
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		2135
1636	return if $self->players;	2136	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		2137
1639	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1640		2139
1641	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1642		2141
1643	# need to save uniques path	2142	# need to save uniques path
1644	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1648	if $uniq;	2147	if $uniq;
1649	}	2148	}
1650		2149
1651	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1652		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1653	$self->clear;	2154	$self->clear;
1654
1655	$_->clear_links_to ($self) for values %cf::MAP;
1656		2155
1657	$self->unlink_save;	2156	$self->unlink_save;
1658	$self->destroy;	2157	$self->destroy;
1659	}	2158	}
1660		2159
1661	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1662		2161
1663	sub nuke {	2162	sub nuke {
1664	my ($self) = @_;	2163	my ($self) = @_;
1665		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1666	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1667		2169
1668	$self->unlink_save;	2170	$self->unlink_save;
1669		2171
1670	bless $self, "cf::map";	2172	bless $self, "cf::map";
1671	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1672	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1673	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675		2177
1676	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1677		2180
1678	$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	]
1679	}	2218	}
1680		2219
1681	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1682		2221
1683	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2223	instantiated unique items. May block.
1685		2224
1686	=cut	2225	=cut
1687		2226
1688	sub unique_maps() {	2227	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1690	or return;	2229	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2230	utf8::decode $_;
1696	next if /\.pst$/;	2231	/\.map$/
1697	next unless /^$PATH_SEP/o;	2232	? normalise $_
1698		2233	: ()
1699	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2235	]
1701
1702	\@paths
1703	}	2236	}
1704		2237
1705	package cf;	2238	package cf;
1706		2239
1707	=back	2240	=back
…		…
1725	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1726	}	2259	}
1727		2260
1728	sub inv_recursive {	2261	sub inv_recursive {
1729	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	}
1730	}	2294	}
1731		2295
1732	package cf;	2296	package cf;
1733		2297
1734	=back	2298	=back
…		…
1753		2317
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2319
1756	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1758	} 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 {
1759	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1761	}	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 (@_);
1762	}	2345	}
1763		2346
1764	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1765		2348
1766	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1813	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1814		2397
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2399
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1819		2402
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1821	}	2404	}
1822		2405
1823	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1825		2410
1826	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1827		2412
1828	unless ($map) {	2413	unless ($map) {
1829	# restore original map position	2414	# restore original map position
…		…
1843	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1844	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1845	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1846		2431
1847	$map->load;	2432	$map->load;
1848	$map->load_diag;	2433	$map->load_neighbours;
1849		2434
1850	return unless $self->contr->active;	2435	return unless $self->contr->active;
1851	$self->activate_recursive;	2436	$self->activate_recursive;
1852		2437
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1855	}	2440	}
1856		2441
1857	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1858	on_logout => sub {
1859	my ($pl) = @_;
1860		2443
1861	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1862	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1863	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1864	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1865	};	2448	be called at the end of this process.
1866	}
1867	},
1868	on_login => sub {
1869	my ($pl) = @_;
1870		2449
1871	# try to abort aborted map switching on player login :)
1872	# should happen only on crashes
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888
1889	=item $player_object->goto ($path, $x, $y)
1890
1891	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1892		2453
1893	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1894	my ($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;
1895		2459
1896	$self->enter_link;	2460	$self->enter_link;
1897		2461
1898	(async {	2462	(async {
1899	my $map = eval {	2463	my $map = eval {
1900	my $map = cf::map::find $path;	2464	my $map = cf::map::find $path;
		2465
		2466	if ($map) {
1901	$map = $map->customise_for ($self) if $map;	2467	$map = $map->customise_for ($self);
		2468	$map = $check->($map) if $check && $map;
		2469	} else {
		2470	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2471	}
		2472
1902	$map	2473	$map
		2474	};
		2475
		2476	if ($@) {
		2477	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2478	LOG llevError | logBacktrace, Carp::longmess $@;
1903	} or	2479	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2480
		2481	if ($gen == $self->{_goto_generation}) {
		2482	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2483	$self->leave_link ($map, $x, $y);
		2484	}
		2485
		2486	$done->() if $done;
1907	})->prio (1);	2487	})->prio (1);
1908	}	2488	}
1909		2489
1910	=item $player_object->enter_exit ($exit_object)	2490	=item $player_object->enter_exit ($exit_object)
1911		2491
…		…
1950		2530
1951	$rmp->{random_seed} ||= $exit->random_seed;	2531	$rmp->{random_seed} ||= $exit->random_seed;
1952		2532
1953	my $data = cf::to_json $rmp;	2533	my $data = cf::to_json $rmp;
1954	my $md5 = Digest::MD5::md5_hex $data;	2534	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2535	my $meta = "$RANDOMDIR/$md5.meta";
1956		2536
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2537	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2538	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2539	undef $fh;
1960	aio_rename "$meta~", $meta;	2540	aio_rename "$meta~", $meta;
…		…
1969		2549
1970	return unless $self->type == cf::PLAYER;	2550	return unless $self->type == cf::PLAYER;
1971		2551
1972	if ($exit->slaying eq "/!") {	2552	if ($exit->slaying eq "/!") {
1973	#TODO: this should de-fi-ni-te-ly not be a sync-job	2553	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2554	# the problem is that $exit might not survive long enough
		2555	# so it needs to be done right now, right here
1974	cf::sync_job { prepare_random_map $exit };	2556	cf::sync_job { prepare_random_map $exit };
1975	}	2557	}
1976		2558
1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2559	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978	my $hp = $exit->stats->hp;	2560	my $hp = $exit->stats->hp;
1979	my $sp = $exit->stats->sp;	2561	my $sp = $exit->stats->sp;
1980		2562
1981	$self->enter_link;	2563	$self->enter_link;
		2564
		2565	# if exit is damned, update players death & WoR home-position
		2566	$self->contr->savebed ($slaying, $hp, $sp)
		2567	if $exit->flag (FLAG_DAMNED);
1982		2568
1983	(async {	2569	(async {
1984	$self->deactivate_recursive; # just to be sure	2570	$self->deactivate_recursive; # just to be sure
1985	unless (eval {	2571	unless (eval {
1986	$self->goto ($slaying, $hp, $sp);	2572	$self->goto ($slaying, $hp, $sp);
1987		2573
1988	1;	2574	1;
1989	}) {	2575	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	2576	$self->message ("Something went wrong deep within the crossfire server. "
1991	. "I'll try to bring you back to the map you were before. "	2577	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	2578	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	2579	cf::NDI_UNIQUE | cf::NDI_RED);
1994		2580
1995	warn "ERROR in enter_exit: $@";	2581	warn "ERROR in enter_exit: $@";
1996	$self->leave_link;	2582	$self->leave_link;
1997	}	2583	}
1998	})->prio (1);	2584	})->prio (1);
…		…
2014		2600
2015	utf8::encode $text;	2601	utf8::encode $text;
2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2602	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017	}	2603	}
2018		2604
		2605	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	Send a drawinfo or msg packet to the client, formatting the msg for the
		2608	client if neccessary. C<$type> should be a string identifying the type of
		2609	the message, with C<log> being the default. If C<$color> is negative, suppress
		2610	the message unless the client supports the msg packet.
		2611
		2612	=cut
		2613
		2614	our %CHANNEL = (
		2615	"c/identify" => {
		2616	id => "identify",
		2617	title => "Identify",
		2618	reply => undef,
		2619	tooltip => "Items recently identified",
		2620	},
		2621	"c/examine" => {
		2622	id => "examine",
		2623	title => "Examine",
		2624	reply => undef,
		2625	tooltip => "Signs and other items you examined",
		2626	},
		2627	);
		2628
		2629	sub cf::client::send_msg {
		2630	my ($self, $channel, $msg, $color, @extra) = @_;
		2631
		2632	$msg = $self->pl->expand_cfpod ($msg);
		2633
		2634	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2635
		2636	# check predefined channels, for the benefit of C
		2637	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2638
		2639	if (ref $channel) {
		2640	# send meta info to client, if not yet sent
		2641	unless (exists $self->{channel}{$channel->{id}}) {
		2642	$self->{channel}{$channel->{id}} = $channel;
		2643	$self->ext_msg (channel_info => $channel)
		2644	if $self->can_msg;
		2645	}
		2646
		2647	$channel = $channel->{id};
		2648	}
		2649
		2650	return unless @extra || length $msg;
		2651
		2652	if ($self->can_msg) {
		2653	# default colour, mask it out
		2654	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2655	if $color & cf::NDI_DEF;
		2656
		2657	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2658	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2659	} else {
		2660	if ($color >= 0) {
		2661	# replace some tags by gcfclient-compatible ones
		2662	for ($msg) {
		2663	1 while
		2664	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2665	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2666	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2667	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2668	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2669	}
		2670
		2671	$color &= cf::NDI_COLOR_MASK;
		2672
		2673	utf8::encode $msg;
		2674
		2675	if (0 && $msg =~ /\[/) {
		2676	# COMMAND/INFO
		2677	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2678	} else {
		2679	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2680	$self->send_packet ("drawinfo $color $msg")
		2681	}
		2682	}
		2683	}
		2684	}
		2685
		2686	=item $client->ext_msg ($type, @msg)
		2687
		2688	Sends an ext event to the client.
		2689
		2690	=cut
		2691
		2692	sub cf::client::ext_msg($$@) {
		2693	my ($self, $type, @msg) = @_;
		2694
		2695	if ($self->extcmd == 2) {
		2696	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2697	} elsif ($self->extcmd == 1) { # TODO: remove
		2698	push @msg, msgtype => "event_$type";
		2699	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2700	}
		2701	}
		2702
		2703	=item $client->ext_reply ($msgid, @msg)
		2704
		2705	Sends an ext reply to the client.
		2706
		2707	=cut
		2708
		2709	sub cf::client::ext_reply($$@) {
		2710	my ($self, $id, @msg) = @_;
		2711
		2712	if ($self->extcmd == 2) {
		2713	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2714	} elsif ($self->extcmd == 1) {
		2715	#TODO: version 1, remove
		2716	unshift @msg, msgtype => "reply", msgid => $id;
		2717	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2718	}
		2719	}
2019		2720
2020	=item $success = $client->query ($flags, "text", \&cb)	2721	=item $success = $client->query ($flags, "text", \&cb)
2021		2722
2022	Queues a query to the client, calling the given callback with	2723	Queues a query to the client, calling the given callback with
2023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2724	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2725	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025		2726
2026	Queries can fail, so check the return code. Or don't, as queries will become	2727	Queries can fail, so check the return code. Or don't, as queries will
2027	reliable at some point in the future.	2728	become reliable at some point in the future.
2028		2729
2029	=cut	2730	=cut
2030		2731
2031	sub cf::client::query {	2732	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	2733	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	2741	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2742	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		2743
2043	$self->send_packet ($self->{query_queue}[0][0])	2744	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	2745	if @{ $self->{query_queue} } == 1;
		2746
		2747	1
2045	}	2748	}
2046		2749
2047	cf::client->attach (	2750	cf::client->attach (
		2751	on_connect => sub {
		2752	my ($ns) = @_;
		2753
		2754	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2755	},
2048	on_reply => sub {	2756	on_reply => sub {
2049	my ($ns, $msg) = @_;	2757	my ($ns, $msg) = @_;
2050		2758
2051	# this weird shuffling is so that direct followup queries	2759	# this weird shuffling is so that direct followup queries
2052	# get handled first	2760	# get handled first
…		…
2064	} else {	2772	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2773	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	2774	}
2067	}	2775	}
2068	},	2776	},
		2777	on_exticmd => sub {
		2778	my ($ns, $buf) = @_;
		2779
		2780	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2781
		2782	if (ref $msg) {
		2783	my ($type, $reply, @payload) =
		2784	"ARRAY" eq ref $msg
		2785	? @$msg
		2786	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2787
		2788	my @reply;
		2789
		2790	if (my $cb = $EXTICMD{$type}) {
		2791	@reply = $cb->($ns, @payload);
		2792	}
		2793
		2794	$ns->ext_reply ($reply, @reply)
		2795	if $reply;
		2796
		2797	} else {
		2798	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2799	}
		2800
		2801	cf::override;
		2802	},
2069	);	2803	);
2070		2804
2071	=item $client->async (\&cb)	2805	=item $client->async (\&cb)
2072		2806
2073	Create a new coroutine, running the specified callback. The coroutine will	2807	Create a new coroutine, running the specified callback. The coroutine will
…		…
2114	our $safe = new Safe "safe";	2848	our $safe = new Safe "safe";
2115	our $safe_hole = new Safe::Hole;	2849	our $safe_hole = new Safe::Hole;
2116		2850
2117	$SIG{FPE} = 'IGNORE';	2851	$SIG{FPE} = 'IGNORE';
2118		2852
2119	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2853	$safe->permit_only (Opcode::opset qw(
		2854	:base_core :base_mem :base_orig :base_math
		2855	grepstart grepwhile mapstart mapwhile
		2856	sort time
		2857	));
2120		2858
2121	# here we export the classes and methods available to script code	2859	# here we export the classes and methods available to script code
2122		2860
2123	=pod	2861	=pod
2124		2862
2125	The following functions and methods are available within a safe environment:	2863	The following functions and methods are available within a safe environment:
2126		2864
2127	cf::object contr pay_amount pay_player map	2865	cf::object
		2866	contr pay_amount pay_player map x y force_find force_add
		2867	insert remove name archname title slaying race decrease_ob_nr
		2868
2128	cf::object::player player	2869	cf::object::player
2129	cf::player peaceful	2870	player
2130	cf::map trigger	2871
		2872	cf::player
		2873	peaceful
		2874
		2875	cf::map
		2876	trigger
2131		2877
2132	=cut	2878	=cut
2133		2879
2134	for (	2880	for (
2135	["cf::object" => qw(contr pay_amount pay_player map)],	2881	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2882	insert remove inv name archname title slaying race
		2883	decrease_ob_nr)],
2136	["cf::object::player" => qw(player)],	2884	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	2885	["cf::player" => qw(peaceful)],
2138	["cf::map" => qw(trigger)],	2886	["cf::map" => qw(trigger)],
2139	) {	2887	) {
2140	no strict 'refs';	2888	no strict 'refs';
…		…
2211	=back	2959	=back
2212		2960
2213	=cut	2961	=cut
2214		2962
2215	#############################################################################	2963	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286
2287	#############################################################################
2288	# the server's init and main functions	2964	# the server's init and main functions
2289		2965
2290	sub load_facedata {	2966	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	2967	my ($path) = @_;
		2968
		2969	# HACK to clear player env face cache, we need some signal framework
		2970	# for this (global event?)
		2971	%ext::player_env::MUSIC_FACE_CACHE = ();
		2972
		2973	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2292		2974
2293	warn "loading facedata from $path\n";	2975	warn "loading facedata from $path\n";
2294		2976
2295	my $faces;	2977	my $facedata;
2296	0 < aio_load $path, $faces	2978	0 < aio_load $path, $facedata
2297	or die "$path: $!";	2979	or die "$path: $!";
2298		2980
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;	2981	$facedata = Coro::Storable::thaw $facedata;
2301	Coro::cede;
2302		2982
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	2983	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	2984	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		2985
		2986	# patch in the exptable
		2987	$facedata->{resource}{"res/exp_table"} = {
		2988	type => FT_RSRC,
		2989	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2990	};
		2991	cf::cede_to_tick;
		2992
		2993	{
		2994	my $faces = $facedata->{faceinfo};
		2995
2307	while (my ($face, $info) = each %$faces) {	2996	while (my ($face, $info) = each %$faces) {
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2997	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2998	cf::face::set_visibility $idx, $info->{visibility};
		2999	cf::face::set_magicmap $idx, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3000	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3001	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2312	Coro::cede;
2313	}
2314		3002
		3003	cf::cede_to_tick;
		3004	}
		3005
2315	while (my ($face, $info) = each %$faces) {	3006	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	3007	next unless $info->{smooth};
2317	my $idx = cf::face::find $face	3008	my $idx = cf::face::find $face
2318	or next;	3009	or next;
2319	if (my $smooth = cf::face::find $info->{smooth}) {	3010	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;	3011	cf::face::set_smooth $idx, $smooth;
		3012	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2321	} else {	3013	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";	3014	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}	3015	}
2324	Coro::cede;	3016
		3017	cf::cede_to_tick;
		3018	}
		3019	}
		3020
		3021	{
		3022	my $anims = $facedata->{animinfo};
		3023
		3024	while (my ($anim, $info) = each %$anims) {
		3025	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3026	cf::cede_to_tick;
		3027	}
		3028
		3029	cf::anim::invalidate_all; # d'oh
		3030	}
		3031
		3032	{
		3033	# TODO: for gcfclient pleasure, we should give resources
		3034	# that gcfclient doesn't grok a >10000 face index.
		3035	my $res = $facedata->{resource};
		3036
		3037	my $soundconf = delete $res->{"res/sound.conf"};
		3038
		3039	while (my ($name, $info) = each %$res) {
		3040	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3041	my $data;
		3042
		3043	if ($info->{type} & 1) {
		3044	# prepend meta info
		3045
		3046	my $meta = $enc->encode ({
		3047	name => $name,
		3048	%{ $info->{meta} || {} },
		3049	});
		3050
		3051	$data = pack "(w/a*)*", $meta, $info->{data};
		3052	} else {
		3053	$data = $info->{data};
		3054	}
		3055
		3056	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3057	cf::face::set_type $idx, $info->{type};
		3058
		3059	cf::cede_to_tick;
		3060	}
		3061
		3062	if ($soundconf) {
		3063	$soundconf = $enc->decode (delete $soundconf->{data});
		3064
		3065	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3066	my $sound = $soundconf->{compat}[$_]
		3067	or next;
		3068
		3069	my $face = cf::face::find "sound/$sound->[1]";
		3070	cf::sound::set $sound->[0] => $face;
		3071	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3072	}
		3073
		3074	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3075	my $face = cf::face::find "sound/$v";
		3076	cf::sound::set $k => $face;
		3077	}
		3078	}
2325	}	3079	}
2326		3080
2327	1	3081	1
2328	}	3082	}
2329		3083
		3084	register_exticmd fx_want => sub {
		3085	my ($ns, $want) = @_;
		3086
		3087	while (my ($k, $v) = each %$want) {
		3088	$ns->fx_want ($k, $v);
		3089	}
		3090	};
		3091
		3092	sub reload_regions {
		3093	# HACK to clear player env face cache, we need some signal framework
		3094	# for this (global event?)
		3095	%ext::player_env::MUSIC_FACE_CACHE = ();
		3096
		3097	load_resource_file "$MAPDIR/regions"
		3098	or die "unable to load regions file\n";
		3099
		3100	for (cf::region::list) {
		3101	$_->{match} = qr/$_->{match}/
		3102	if exists $_->{match};
		3103	}
		3104	}
		3105
		3106	sub reload_facedata {
		3107	load_facedata "$DATADIR/facedata"
		3108	or die "unable to load facedata\n";
		3109	}
		3110
		3111	sub reload_archetypes {
		3112	load_resource_file "$DATADIR/archetypes"
		3113	or die "unable to load archetypes\n";
		3114	#d# NEED to laod twice to resolve forward references
		3115	# this really needs to be done in an extra post-pass
		3116	# (which needs to be synchronous, so solve it differently)
		3117	load_resource_file "$DATADIR/archetypes"
		3118	or die "unable to load archetypes\n";
		3119	}
		3120
		3121	sub reload_treasures {
		3122	load_resource_file "$DATADIR/treasures"
		3123	or die "unable to load treasurelists\n";
		3124	}
		3125
2330	sub reload_resources {	3126	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3127	warn "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	3128
		3129	reload_regions;
2333	load_facedata	3130	reload_facedata;
2334	or die "unable to load facedata\n";#d#	3131	#reload_archetypes;#d#
		3132	reload_archetypes;
		3133	reload_treasures;
		3134
		3135	warn "finished reloading resource files\n";
2335	}	3136	}
2336		3137
2337	sub init {	3138	sub init {
2338	reload_resources;	3139	reload_resources;
2339	}	3140	}
2340		3141
2341	sub cfg_load {	3142	sub reload_config {
2342	open my $fh, "<:utf8", cf::confdir . "/config"	3143	open my $fh, "<:utf8", "$CONFDIR/config"
2343	or return;	3144	or return;
2344		3145
2345	local $/;	3146	local $/;
2346	*CFG = YAML::Syck::Load <$fh>;	3147	*CFG = YAML::Syck::Load <$fh>;
2347		3148
…		…
2366	(async {	3167	(async {
2367	Event::one_event;	3168	Event::one_event;
2368	})->prio (Coro::PRIO_MAX);	3169	})->prio (Coro::PRIO_MAX);
2369	};	3170	};
2370		3171
2371	cfg_load;	3172	reload_config;
2372	db_init;	3173	db_init;
2373	load_extensions;	3174	load_extensions;
2374		3175
2375	$TICK_WATCHER->start;	3176	$TICK_WATCHER->start;
2376	Event::loop;	3177	Event::loop;
…		…
2392	},	3193	},
2393	);	3194	);
2394	}	3195	}
2395	}	3196	}
2396		3197
		3198	sub write_runtime {
		3199	my $runtime = "$LOCALDIR/runtime";
		3200
		3201	# first touch the runtime file to show we are still running:
		3202	# the fsync below can take a very very long time.
		3203
		3204	IO::AIO::aio_utime $runtime, undef, undef;
		3205
		3206	my $guard = cf::lock_acquire "write_runtime";
		3207
		3208	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3209	or return;
		3210
		3211	my $value = $cf::RUNTIME + 90 + 10;
		3212	# 10 is the runtime save interval, for a monotonic clock
		3213	# 60 allows for the watchdog to kill the server.
		3214
		3215	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3216	and return;
		3217
		3218	# always fsync - this file is important
		3219	aio_fsync $fh
		3220	and return;
		3221
		3222	# touch it again to show we are up-to-date
		3223	aio_utime $fh, undef, undef;
		3224
		3225	close $fh
		3226	or return;
		3227
		3228	aio_rename "$runtime~", $runtime
		3229	and return;
		3230
		3231	warn "runtime file written.\n";
		3232
		3233	1
		3234	}
		3235
2397	sub emergency_save() {	3236	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	3237	my $freeze_guard = cf::freeze_mainloop;
2399		3238
2400	warn "enter emergency perl save\n";	3239	warn "enter emergency perl save\n";
2401		3240
…		…
2432		3271
2433	warn Carp::longmess "post_cleanup backtrace"	3272	warn Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	3273	if $make_core;
2435	}	3274	}
2436		3275
2437	sub reload() {	3276	sub do_reload_perl() {
2438	# can/must only be called in main	3277	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	3278	if ($Coro::current != $Coro::main) {
2440	warn "can only reload from main coroutine";	3279	warn "can only reload from main coroutine";
2441	return;	3280	return;
2442	}	3281	}
…		…
2476	%EXT_CORO = ();	3315	%EXT_CORO = ();
2477		3316
2478	warn "removing commands";	3317	warn "removing commands";
2479	%COMMAND = ();	3318	%COMMAND = ();
2480		3319
2481	warn "removing ext commands";	3320	warn "removing ext/exti commands";
2482	%EXTCMD = ();	3321	%EXTCMD = ();
		3322	%EXTICMD = ();
2483		3323
2484	warn "unloading/nuking all extensions";	3324	warn "unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {	3325	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";	3326	warn "... unloading $pkg";
2487		3327
…		…
2517	Symbol::delete_package "safe::$_"	3357	Symbol::delete_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3358	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		3359
2520	warn "unloading cf.pm \"a bit\"";	3360	warn "unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	3361	delete $INC{"cf.pm"};
		3362	delete $INC{"cf/pod.pm"};
2522		3363
2523	# don't, removes xs symbols, too,	3364	# don't, removes xs symbols, too,
2524	# and global variables created in xs	3365	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	3366	#Symbol::delete_package __PACKAGE__;
2526		3367
…		…
2529	warn "reloading cf.pm";	3370	warn "reloading cf.pm";
2530	require cf;	3371	require cf;
2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2532		3373
2533	warn "loading config and database again";	3374	warn "loading config and database again";
2534	cf::cfg_load;	3375	cf::reload_config;
2535		3376
2536	warn "loading extensions";	3377	warn "loading extensions";
2537	cf::load_extensions;	3378	cf::load_extensions;
2538		3379
2539	warn "reattaching attachments to objects/players";	3380	warn "reattaching attachments to objects/players";
…		…
2541	warn "reattaching attachments to maps";	3382	warn "reattaching attachments to maps";
2542	reattach $_ for values %MAP;	3383	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	3384	warn "reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	3385	reattach $_ for values %PLAYER;
2545		3386
2546	warn "loading reloadable resources";
2547	reload_resources;
2548
2549	warn "leaving sync_job";	3387	warn "leaving sync_job";
2550		3388
2551	1	3389	1
2552	} or do {	3390	} or do {
2553	warn $@;	3391	warn $@;
…		…
2558	warn "reloaded";	3396	warn "reloaded";
2559	};	3397	};
2560		3398
2561	our $RELOAD_WATCHER; # used only during reload	3399	our $RELOAD_WATCHER; # used only during reload
2562		3400
		3401	sub reload_perl() {
		3402	# doing reload synchronously and two reloads happen back-to-back,
		3403	# coro crashes during coro_state_free->destroy here.
		3404
		3405	$RELOAD_WATCHER ||= Event->timer (
		3406	reentrant => 0,
		3407	after => 0,
		3408	data => WF_AUTOCANCEL,
		3409	cb => sub {
		3410	do_reload_perl;
		3411	undef $RELOAD_WATCHER;
		3412	},
		3413	);
		3414	}
		3415
2563	register_command "reload" => sub {	3416	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	3417	my ($who, $arg) = @_;
2565		3418
2566	if ($who->flag (FLAG_WIZ)) {	3419	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	3420	$who->message ("reloading server.");
2568		3421	async { reload_perl };
2569	# doing reload synchronously and two reloads happen back-to-back,
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);
2581	}	3422	}
2582	};	3423	};
2583		3424
2584	unshift @INC, $LIBDIR;	3425	unshift @INC, $LIBDIR;
2585		3426
2586	my $bug_warning = 0;	3427	my $bug_warning = 0;
2587		3428
		3429	our @WAIT_FOR_TICK;
		3430	our @WAIT_FOR_TICK_BEGIN;
		3431
		3432	sub wait_for_tick {
		3433	return unless $TICK_WATCHER->is_active;
		3434	return if $Coro::current == $Coro::main;
		3435
		3436	my $signal = new Coro::Signal;
		3437	push @WAIT_FOR_TICK, $signal;
		3438	$signal->wait;
		3439	}
		3440
		3441	sub wait_for_tick_begin {
		3442	return unless $TICK_WATCHER->is_active;
		3443	return if $Coro::current == $Coro::main;
		3444
		3445	my $signal = new Coro::Signal;
		3446	push @WAIT_FOR_TICK_BEGIN, $signal;
		3447	$signal->wait;
		3448	}
		3449
		3450	my $min = 1e6;#d#
		3451	my $avg = 10;
2588	$TICK_WATCHER = Event->timer (	3452	$TICK_WATCHER = Event->timer (
2589	reentrant => 0,	3453	reentrant => 0,
2590	parked => 1,	3454	parked => 1,
2591	prio => 0,	3455	prio => 0,
2592	at => $NEXT_TICK || $TICK,	3456	at => $NEXT_TICK || $TICK,
…		…
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3460	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	3461	unless ++$bug_warning > 10;
2598	return;	3462	return;
2599	}	3463	}
2600		3464
2601	$NOW = Event::time;	3465	$NOW = $tick_start = Event::time;
2602		3466
2603	cf::server_tick; # one server iteration	3467	cf::server_tick; # one server iteration
		3468
		3469	0 && sync_job {#d#
		3470	for(1..10) {
		3471	my $t = Event::time;
		3472	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3473	or die;
		3474
		3475	$map->width (50);
		3476	$map->height (50);
		3477	$map->alloc;
		3478	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3479	my $t = Event::time - $t;
		3480
		3481	#next unless $t < 0.0013;#d#
		3482	if ($t < $min) {
		3483	$min = $t;
		3484	}
		3485	$avg = $avg * 0.99 + $t * 0.01;
		3486	}
		3487	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3488	exit 0;
		3489	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3490	};
		3491
2604	$RUNTIME += $TICK;	3492	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;	3493	$NEXT_TICK += $TICK;
2606		3494
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3495	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	3496	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2610	write_runtime	3498	write_runtime
2611	or warn "ERROR: unable to write runtime file: $!";	3499	or warn "ERROR: unable to write runtime file: $!";
2612	};	3500	};
2613	}	3501	}
2614		3502
2615	$WAIT_FOR_TICK->broadcast;
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618	# my $AFTER = Event::time;	3503	# my $AFTER = Event::time;
2619	# warn $AFTER - $NOW;#d#	3504	# warn $AFTER - $NOW;#d#
2620		3505
		3506	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3507	$sig->send;
		3508	}
		3509	while (my $sig = shift @WAIT_FOR_TICK) {
		3510	$sig->send;
		3511	}
		3512
		3513	$NOW = Event::time;
		3514
2621	# if we are delayed by four ticks or more, skip them all	3515	# if we are delayed by four ticks or more, skip them all
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3516	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2623		3517
2624	$TICK_WATCHER->at ($NEXT_TICK);	3518	$TICK_WATCHER->at ($NEXT_TICK);
2625	$TICK_WATCHER->start;	3519	$TICK_WATCHER->start;
		3520
		3521	$LOAD = ($NOW - $tick_start) / $TICK;
		3522	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3523
		3524	_post_tick;
		3525
		3526
2626	},	3527	},
2627	);	3528	);
2628		3529
2629	{	3530	{
		3531	BDB::min_parallel 8;
2630	BDB::max_poll_time $TICK * 0.1;	3532	BDB::max_poll_time $TICK * 0.1;
2631	$BDB_POLL_WATCHER = Event->io (	3533	$BDB_POLL_WATCHER = Event->io (
2632	reentrant => 0,	3534	reentrant => 0,
2633	fd => BDB::poll_fileno,	3535	fd => BDB::poll_fileno,
2634	poll => 'r',	3536	poll => 'r',
2635	prio => 0,	3537	prio => 0,
2636	data => WF_AUTOCANCEL,	3538	data => WF_AUTOCANCEL,
2637	cb => \&BDB::poll_cb,	3539	cb => \&BDB::poll_cb,
2638	);	3540	);
2639	BDB::min_parallel 8;
2640		3541
2641	BDB::set_sync_prepare {	3542	BDB::set_sync_prepare {
2642	my $status;	3543	my $status;
2643	my $current = $Coro::current;	3544	my $current = $Coro::current;
2644	(	3545	(
…		…
2658		3559
2659	cf::sync_job {	3560	cf::sync_job {
2660	eval {	3561	eval {
2661	BDB::db_env_open	3562	BDB::db_env_open
2662	$DB_ENV,	3563	$DB_ENV,
2663	$BDB_ENV_DIR,	3564	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3565	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3566	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	3567	0666;
2667		3568
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3569	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669		3570
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3571	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3572	| BDB::LOG_AUTOREMOVE, 1);
2671	$DB_ENV->set_lk_detect;	3573	$DB_ENV->set_lk_detect;
2672	};	3574	};
2673		3575
2674	cf::cleanup "db_env_open(db): $@" if $@;	3576	cf::cleanup "db_env_open(db): $@" if $@;
2675	};	3577	};
2676	}	3578	}
		3579
		3580	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3581	after => 11,
		3582	interval => 60,
		3583	hard => 1,
		3584	prio => 0,
		3585	data => WF_AUTOCANCEL,
		3586	cb => sub {
		3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3588	},
		3589	);
		3590	$BDB_TRICKLE_WATCHER = Event->timer (
		3591	after => 5,
		3592	interval => 10,
		3593	hard => 1,
		3594	prio => 0,
		3595	data => WF_AUTOCANCEL,
		3596	cb => sub {
		3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3598	},
		3599	);
2677	}	3600	}
2678		3601
2679	{	3602	{
2680	IO::AIO::min_parallel 8;	3603	IO::AIO::min_parallel 8;
2681		3604
…		…
2689	prio => 6,	3612	prio => 6,
2690	cb => \&IO::AIO::poll_cb,	3613	cb => \&IO::AIO::poll_cb,
2691	);	3614	);
2692	}	3615	}
2693		3616
		3617	my $_log_backtrace;
		3618
		3619	sub _log_backtrace {
		3620	my ($msg, @addr) = @_;
		3621
		3622	$msg =~ s/\n//;
		3623
		3624	# limit the # of concurrent backtraces
		3625	if ($_log_backtrace < 2) {
		3626	++$_log_backtrace;
		3627	async {
		3628	my @bt = fork_call {
		3629	@addr = map { sprintf "%x", $_ } @addr;
		3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3632	or die "addr2line: $!";
		3633
		3634	my @funcs;
		3635	my @res = <$fh>;
		3636	chomp for @res;
		3637	while (@res) {
		3638	my ($func, $line) = splice @res, 0, 2, ();
		3639	push @funcs, "[$func] $line";
		3640	}
		3641
		3642	@funcs
		3643	};
		3644
		3645	LOG llevInfo, "[ABT] $msg\n";
		3646	LOG llevInfo, "[ABT] $_\n" for @bt;
		3647	--$_log_backtrace;
		3648	};
		3649	} else {
		3650	LOG llevInfo, "[ABT] $msg\n";
		3651	LOG llevInfo, "[ABT] [suppressed]\n";
		3652	}
		3653	}
		3654
		3655	# load additional modules
		3656	use cf::pod;
		3657
2694	END { cf::emergency_save }	3658	END { cf::emergency_save }
2695		3659
2696	1	3660	1
2697		3661

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