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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.230 by root, Mon Apr 2 18:04:46 2007 UTC vs.
Revision 1.366 by root, Tue Sep 11 16:05:35 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, $msgtype, %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($$@) {
1136	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1137		1572
1138	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1574	}
1142		1575
1143	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1144		1616
1145	=back	1617	=back
1146
1147		1618
1148	=head3 cf::map	1619	=head3 cf::map
1149		1620
1150	=over 4	1621	=over 4
1151		1622
…		…
1206	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1207		1678
1208	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1209	local $self->{path};	1680	local $self->{path};
1210	local $self->{load_path};	1681	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1682
1214	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1215	}	1684	}
1216		1685
1217	sub normalise {	1686	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1265	return $self;	1734	return $self;
1266	}	1735	}
1267	}	1736	}
1268		1737
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1739	()
1271	}	1740	}
1272		1741
1273	sub init {	1742	sub init {
1274	my ($self) = @_;	1743	my ($self) = @_;
…		…
1289		1758
1290	# the original (read-only) location	1759	# the original (read-only) location
1291	sub load_path {	1760	sub load_path {
1292	my ($self) = @_;	1761	my ($self) = @_;
1293		1762
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1295	}	1764	}
1296		1765
1297	# the temporary/swap location	1766	# the temporary/swap location
1298	sub save_path {	1767	sub save_path {
1299	my ($self) = @_;	1768	my ($self) = @_;
1300		1769
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1303	}	1772	}
1304		1773
1305	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1306	sub uniq_path {	1775	sub uniq_path {
1307	my ($self) = @_;	1776	my ($self) = @_;
1308		1777
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1311	}	1780	}
1312		1781
1313	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1314	# all maps in C++...	1783	# all maps in C++...
1315	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1317		1786
1318	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1320	}	1789	}
1321		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1322	sub unlink_save {	1799	sub unlink_save {
1323	my ($self) = @_;	1800	my ($self) = @_;
1324		1801
1325	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1329		1806
1330	sub load_header_from($) {	1807	sub load_header_from($) {
1331	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1332		1809
1333	utf8::encode $path;	1810	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	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;
1339		1819
1340	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1341		1821
1342	1	1822	1
1343	}	1823	}
…		…
1382	$self->load_header_orig	1862	$self->load_header_orig
1383	or return;	1863	or return;
1384	$self->prepare_orig;	1864	$self->prepare_orig;
1385	}	1865	}
1386		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 $self->default_region;
		1872
1387	1	1873	1
1388	}	1874	}
1389		1875
1390	sub find;	1876	sub find;
1391	sub find {	1877	sub find {
1392	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1393		1879
1394	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1395		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1397		1884
1398	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1399	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
1400	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1401	or return;	1890	or return;
1402		1891
1403	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1404		1893
1405	$map->load_header	1894	$map->load_header
1406	or return;	1895	or return;
1407		1896
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1411	$map->reset;	1902	$map->reset;
1412	undef $guard;
1413	return find $path;	1903	return find $path;
1414	}	1904	}
1415		1905
1416	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1417	}	1907	}
…		…
1424	my ($self) = @_;	1914	my ($self) = @_;
1425		1915
1426	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1427		1917
1428	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1430		1922
		1923	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		1925
1433	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1434		1927
1435	$self->alloc;	1928	$self->alloc;
1436		1929
1437	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1438		1932
1439	$self->_load_objects ($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)
1440	or return;	1936	or return;
1441		1937
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};	1939	if delete $self->{load_original};
1444		1940
1445	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	1942	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	1945	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1450	}	1949	}
1451	}	1950	}
1452		1951
1453	Coro::cede;	1952	$f->resolve_delayed_derefs;
1454		1953
		1954	cf::cede_to_tick;
1455	# now do the right thing for maps	1955	# now do the right thing for maps
1456	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1958	unless $self->difficulty;
1466	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($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;
1467	$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);
1468	}	1975	}
1469		1976
1470	$self->post_load;	1977	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	1978	}
1474		1979
1475	sub customise_for {	1980	sub customise_for {
1476	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1477		1982
1478	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	1984	if $self->per_player;
1480		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1481	$self	1989	$self
1482	}	1990	}
1483		1991
1484	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	1993	sub load_neighbours {
1486	my ($map) = @_;	1994	my ($map) = @_;
1487		1995
1488	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1489		1997
1490	for (0 .. 3) {	1998	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1492	or next;	2000	or next;
1493	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1494	or next;	2002	or next;
1495	$neigh->load;	2003	$neigh->load;
1496		2004
		2005	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2008	}
1500		2009
1501	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1503	or next;	2013	or next;
1504	$neigh->load;	2014	$neigh->load;
1505	}	2015	}
1506	}	2016	}
1507		2017
…		…
1512	}	2022	}
1513		2023
1514	sub do_load_sync {	2024	sub do_load_sync {
1515	my ($map) = @_;	2025	my ($map) = @_;
1516		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1517	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1518	}	2031	}
1519		2032
1520	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1522		2035
1523	sub find_async {	2036	sub find_async {
1524	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1525		2038
1526	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1527		2040
1528	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1530	}	2043	}
1531		2044
1532	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1533	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1534	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2050	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2051	$map->load if $v;
		2052	}
1539		2053
1540	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1541	}	2055	}
1542	}	2056	}
1543	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1544	};	2058	};
1545	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2062	}
1549		2063
1550	sub save {	2064	sub save {
1551	my ($self) = @_;	2065	my ($self) = @_;
1552		2066
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2068
1555	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1556		2070
1557	return unless $self->dirty;	2071	return unless $self->dirty;
1558		2072
…		…
1581	my ($self) = @_;	2095	my ($self) = @_;
1582		2096
1583	# save first because save cedes	2097	# save first because save cedes
1584	$self->save;	2098	$self->save;
1585		2099
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2101
1588	return if $self->players;	2102	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};	2104	return if $self->{deny_save};
1591		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2110	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2111	}
1595		2112
1596	sub reset_at {	2113	sub reset_at {
1597	my ($self) = @_;	2114	my ($self) = @_;
1598		2115
1599	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1602		2118
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2121
…		…
1616	my ($self) = @_;	2132	my ($self) = @_;
1617		2133
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2135
1620	return if $self->players;	2136	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2137
1623	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1624		2139
1625	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1626		2141
1627	# need to save uniques path	2142	# need to save uniques path
1628	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2147	if $uniq;
1633	}	2148	}
1634		2149
1635	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1636		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2154	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2155
1641	$self->unlink_save;	2156	$self->unlink_save;
1642	$self->destroy;	2157	$self->destroy;
1643	}	2158	}
1644		2159
1645	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1646		2161
1647	sub nuke {	2162	sub nuke {
1648	my ($self) = @_;	2163	my ($self) = @_;
1649		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1650	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1651		2169
1652	$self->unlink_save;	2170	$self->unlink_save;
1653		2171
1654	bless $self, "cf::map";	2172	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2177
1660	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1661		2180
1662	$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	]
1663	}	2218	}
1664		2219
1665	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1666		2221
1667	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2223	instantiated unique items. May block.
1669		2224
1670	=cut	2225	=cut
1671		2226
1672	sub unique_maps() {	2227	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1674	or return;	2229	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2230	utf8::decode $_;
1680	next if /\.pst$/;	2231	/\.map$/
1681	next unless /^$PATH_SEP/o;	2232	? normalise $_
1682		2233	: ()
1683	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2235	]
1685
1686	\@paths
1687	}	2236	}
1688		2237
1689	package cf;	2238	package cf;
1690		2239
1691	=back	2240	=back
…		…
1709	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1710	}	2259	}
1711		2260
1712	sub inv_recursive {	2261	sub inv_recursive {
1713	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	}
1714	}	2294	}
1715		2295
1716	package cf;	2296	package cf;
1717		2297
1718	=back	2298	=back
…		…
1737		2317
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2319
1740	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1742	} 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 {
1743	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1745	}	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 (@_);
1746	}	2345	}
1747		2346
1748	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1749		2348
1750	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1797	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1798		2397
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2399
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1803		2402
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2404	}
1806		2405
1807	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1809		2410
1810	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1811		2412
1812	unless ($map) {	2413	unless ($map) {
1813	# restore original map position	2414	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1830		2431
1831	$map->load;	2432	$map->load;
1832	$map->load_diag;	2433	$map->load_neighbours;
1833		2434
1834	return unless $self->contr->active;	2435	return unless $self->contr->active;
1835	$self->activate_recursive;	2436	$self->activate_recursive;
1836		2437
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1839	}	2440	}
1840		2441
1841	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2443
1845	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1849	};	2448	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2449
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1876		2453
1877	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1878	my ($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;
1879		2459
1880	$self->enter_link;	2460	$self->enter_link;
1881		2461
1882	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# todo: use ob_blocked to check all tiles of the destination "object"
		2469	# for suitability.
		2470
		2471	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2472	}
		2473	}
		2474
1883	my $map = eval {	2475	my $map = eval {
1884	my $map = cf::map::find $path;	2476	my $map = cf::map::find $path;
		2477
		2478	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2479	$map = $map->customise_for ($self);
		2480	$map = $check->($map) if $check && $map;
		2481	} else {
		2482	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2483	}
		2484
1886	$map	2485	$map
		2486	};
		2487
		2488	if ($@) {
		2489	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2491	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2492
		2493	if ($gen == $self->{_goto_generation}) {
		2494	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2495	$self->leave_link ($map, $x, $y);
		2496	}
		2497
		2498	$done->() if $done;
1891	})->prio (1);	2499	})->prio (1);
1892	}	2500	}
1893		2501
1894	=item $player_object->enter_exit ($exit_object)	2502	=item $player_object->enter_exit ($exit_object)
1895		2503
…		…
1934		2542
1935	$rmp->{random_seed} ||= $exit->random_seed;	2543	$rmp->{random_seed} ||= $exit->random_seed;
1936		2544
1937	my $data = cf::to_json $rmp;	2545	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2546	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2547	my $meta = "$RANDOMDIR/$md5.meta";
1940		2548
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2549	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2550	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2551	undef $fh;
1944	aio_rename "$meta~", $meta;	2552	aio_rename "$meta~", $meta;
…		…
1953		2561
1954	return unless $self->type == cf::PLAYER;	2562	return unless $self->type == cf::PLAYER;
1955		2563
1956	if ($exit->slaying eq "/!") {	2564	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2565	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2566	# the problem is that $exit might not survive long enough
		2567	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2568	cf::sync_job { prepare_random_map $exit };
1959	}	2569	}
1960		2570
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2571	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2572	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2573	my $sp = $exit->stats->sp;
1964		2574
1965	$self->enter_link;	2575	$self->enter_link;
		2576
		2577	# if exit is damned, update players death & WoR home-position
		2578	$self->contr->savebed ($slaying, $hp, $sp)
		2579	if $exit->flag (FLAG_DAMNED);
1966		2580
1967	(async {	2581	(async {
1968	$self->deactivate_recursive; # just to be sure	2582	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2583	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2584	$self->goto ($slaying, $hp, $sp);
1971		2585
1972	1;	2586	1;
1973	}) {	2587	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2588	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2589	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2590	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2591	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2592
1979	warn "ERROR in enter_exit: $@";	2593	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2594	$self->leave_link;
1981	}	2595	}
1982	})->prio (1);	2596	})->prio (1);
…		…
1998		2612
1999	utf8::encode $text;	2613	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2614	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2615	}
2002		2616
		2617	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	Send a drawinfo or msg packet to the client, formatting the msg for the
		2620	client if neccessary. C<$type> should be a string identifying the type of
		2621	the message, with C<log> being the default. If C<$color> is negative, suppress
		2622	the message unless the client supports the msg packet.
		2623
		2624	=cut
		2625
		2626	our %CHANNEL = (
		2627	"c/identify" => {
		2628	id => "identify",
		2629	title => "Identify",
		2630	reply => undef,
		2631	tooltip => "Items recently identified",
		2632	},
		2633	"c/examine" => {
		2634	id => "examine",
		2635	title => "Examine",
		2636	reply => undef,
		2637	tooltip => "Signs and other items you examined",
		2638	},
		2639	);
		2640
		2641	sub cf::client::send_msg {
		2642	my ($self, $channel, $msg, $color, @extra) = @_;
		2643
		2644	$msg = $self->pl->expand_cfpod ($msg);
		2645
		2646	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2647
		2648	# check predefined channels, for the benefit of C
		2649	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2650
		2651	if (ref $channel) {
		2652	# send meta info to client, if not yet sent
		2653	unless (exists $self->{channel}{$channel->{id}}) {
		2654	$self->{channel}{$channel->{id}} = $channel;
		2655	$self->ext_msg (channel_info => $channel)
		2656	if $self->can_msg;
		2657	}
		2658
		2659	$channel = $channel->{id};
		2660	}
		2661
		2662	return unless @extra || length $msg;
		2663
		2664	if ($self->can_msg) {
		2665	# default colour, mask it out
		2666	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2667	if $color & cf::NDI_DEF;
		2668
		2669	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2670	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2671	} else {
		2672	if ($color >= 0) {
		2673	# replace some tags by gcfclient-compatible ones
		2674	for ($msg) {
		2675	1 while
		2676	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2677	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2678	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2679	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2680	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2681	}
		2682
		2683	$color &= cf::NDI_COLOR_MASK;
		2684
		2685	utf8::encode $msg;
		2686
		2687	if (0 && $msg =~ /\[/) {
		2688	# COMMAND/INFO
		2689	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2690	} else {
		2691	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2692	$self->send_packet ("drawinfo $color $msg")
		2693	}
		2694	}
		2695	}
		2696	}
		2697
		2698	=item $client->ext_msg ($type, @msg)
		2699
		2700	Sends an ext event to the client.
		2701
		2702	=cut
		2703
		2704	sub cf::client::ext_msg($$@) {
		2705	my ($self, $type, @msg) = @_;
		2706
		2707	if ($self->extcmd == 2) {
		2708	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2709	} elsif ($self->extcmd == 1) { # TODO: remove
		2710	push @msg, msgtype => "event_$type";
		2711	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2712	}
		2713	}
		2714
		2715	=item $client->ext_reply ($msgid, @msg)
		2716
		2717	Sends an ext reply to the client.
		2718
		2719	=cut
		2720
		2721	sub cf::client::ext_reply($$@) {
		2722	my ($self, $id, @msg) = @_;
		2723
		2724	if ($self->extcmd == 2) {
		2725	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2726	} elsif ($self->extcmd == 1) {
		2727	#TODO: version 1, remove
		2728	unshift @msg, msgtype => "reply", msgid => $id;
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2730	}
		2731	}
2003		2732
2004	=item $success = $client->query ($flags, "text", \&cb)	2733	=item $success = $client->query ($flags, "text", \&cb)
2005		2734
2006	Queues a query to the client, calling the given callback with	2735	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2736	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2737	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2738
2010	Queries can fail, so check the return code. Or don't, as queries will become	2739	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2740	become reliable at some point in the future.
2012		2741
2013	=cut	2742	=cut
2014		2743
2015	sub cf::client::query {	2744	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2745	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2753	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2754	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2755
2027	$self->send_packet ($self->{query_queue}[0][0])	2756	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2757	if @{ $self->{query_queue} } == 1;
		2758
		2759	1
2029	}	2760	}
2030		2761
2031	cf::client->attach (	2762	cf::client->attach (
		2763	on_connect => sub {
		2764	my ($ns) = @_;
		2765
		2766	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2767	},
2032	on_reply => sub {	2768	on_reply => sub {
2033	my ($ns, $msg) = @_;	2769	my ($ns, $msg) = @_;
2034		2770
2035	# this weird shuffling is so that direct followup queries	2771	# this weird shuffling is so that direct followup queries
2036	# get handled first	2772	# get handled first
…		…
2048	} else {	2784	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2785	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2786	}
2051	}	2787	}
2052	},	2788	},
		2789	on_exticmd => sub {
		2790	my ($ns, $buf) = @_;
		2791
		2792	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2793
		2794	if (ref $msg) {
		2795	my ($type, $reply, @payload) =
		2796	"ARRAY" eq ref $msg
		2797	? @$msg
		2798	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2799
		2800	my @reply;
		2801
		2802	if (my $cb = $EXTICMD{$type}) {
		2803	@reply = $cb->($ns, @payload);
		2804	}
		2805
		2806	$ns->ext_reply ($reply, @reply)
		2807	if $reply;
		2808
		2809	} else {
		2810	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2811	}
		2812
		2813	cf::override;
		2814	},
2053	);	2815	);
2054		2816
2055	=item $client->async (\&cb)	2817	=item $client->async (\&cb)
2056		2818
2057	Create a new coroutine, running the specified callback. The coroutine will	2819	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	2860	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	2861	our $safe_hole = new Safe::Hole;
2100		2862
2101	$SIG{FPE} = 'IGNORE';	2863	$SIG{FPE} = 'IGNORE';
2102		2864
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2865	$safe->permit_only (Opcode::opset qw(
		2866	:base_core :base_mem :base_orig :base_math
		2867	grepstart grepwhile mapstart mapwhile
		2868	sort time
		2869	));
2104		2870
2105	# here we export the classes and methods available to script code	2871	# here we export the classes and methods available to script code
2106		2872
2107	=pod	2873	=pod
2108		2874
2109	The following functions and methods are available within a safe environment:	2875	The following functions and methods are available within a safe environment:
2110		2876
2111	cf::object contr pay_amount pay_player map	2877	cf::object
		2878	contr pay_amount pay_player map x y force_find force_add
		2879	insert remove name archname title slaying race decrease_ob_nr
		2880
2112	cf::object::player player	2881	cf::object::player
2113	cf::player peaceful	2882	player
2114	cf::map trigger	2883
		2884	cf::player
		2885	peaceful
		2886
		2887	cf::map
		2888	trigger
2115		2889
2116	=cut	2890	=cut
2117		2891
2118	for (	2892	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	2893	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2894	insert remove inv name archname title slaying race
		2895	decrease_ob_nr)],
2120	["cf::object::player" => qw(player)],	2896	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	2897	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	2898	["cf::map" => qw(trigger)],
2123	) {	2899	) {
2124	no strict 'refs';	2900	no strict 'refs';
…		…
2195	=back	2971	=back
2196		2972
2197	=cut	2973	=cut
2198		2974
2199	#############################################################################	2975	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	2976	# the server's init and main functions
2273		2977
2274	sub load_facedata {	2978	sub load_facedata($) {
2275	my $path = sprintf "%s/facedata", cf::datadir;	2979	my ($path) = @_;
		2980
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
		2985	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2276		2986
2277	warn "loading facedata from $path\n";	2987	warn "loading facedata from $path\n";
2278		2988
2279	my $faces;	2989	my $facedata;
2280	0 < aio_load $path, $faces	2990	0 < aio_load $path, $facedata
2281	or die "$path: $!";	2991	or die "$path: $!";
2282		2992
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	2993	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		2994
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	2995	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	2996	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		2997
		2998	# patch in the exptable
		2999	$facedata->{resource}{"res/exp_table"} = {
		3000	type => FT_RSRC,
		3001	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3002	};
		3003	cf::cede_to_tick;
		3004
		3005	{
		3006	my $faces = $facedata->{faceinfo};
		3007
2291	while (my ($face, $info) = each %$faces) {	3008	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3009	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3010	cf::face::set_visibility $idx, $info->{visibility};
		3011	cf::face::set_magicmap $idx, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3012	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2295	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3013	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2296	Coro::cede;
2297	}
2298		3014
		3015	cf::cede_to_tick;
		3016	}
		3017
2299	while (my ($face, $info) = each %$faces) {	3018	while (my ($face, $info) = each %$faces) {
2300	next unless $info->{smooth};	3019	next unless $info->{smooth};
2301	my $idx = cf::face::find $face	3020	my $idx = cf::face::find $face
2302	or next;	3021	or next;
2303	if (my $smooth = cf::face::find $info->{smooth}) {	3022	if (my $smooth = cf::face::find $info->{smooth}) {
2304	cf::face::set_smooth $idx, $smooth;	3023	cf::face::set_smooth $idx, $smooth;
		3024	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2305	} else {	3025	} else {
2306	warn "smooth face '$info->{smooth}' not found for face '$face'";	3026	warn "smooth face '$info->{smooth}' not found for face '$face'";
2307	}	3027	}
2308	Coro::cede;	3028
		3029	cf::cede_to_tick;
		3030	}
		3031	}
		3032
		3033	{
		3034	my $anims = $facedata->{animinfo};
		3035
		3036	while (my ($anim, $info) = each %$anims) {
		3037	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3038	cf::cede_to_tick;
		3039	}
		3040
		3041	cf::anim::invalidate_all; # d'oh
		3042	}
		3043
		3044	{
		3045	# TODO: for gcfclient pleasure, we should give resources
		3046	# that gcfclient doesn't grok a >10000 face index.
		3047	my $res = $facedata->{resource};
		3048
		3049	my $soundconf = delete $res->{"res/sound.conf"};
		3050
		3051	while (my ($name, $info) = each %$res) {
		3052	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3053	my $data;
		3054
		3055	if ($info->{type} & 1) {
		3056	# prepend meta info
		3057
		3058	my $meta = $enc->encode ({
		3059	name => $name,
		3060	%{ $info->{meta} || {} },
		3061	});
		3062
		3063	$data = pack "(w/a*)*", $meta, $info->{data};
		3064	} else {
		3065	$data = $info->{data};
		3066	}
		3067
		3068	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3069	cf::face::set_type $idx, $info->{type};
		3070
		3071	cf::cede_to_tick;
		3072	}
		3073
		3074	if ($soundconf) {
		3075	$soundconf = $enc->decode (delete $soundconf->{data});
		3076
		3077	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3078	my $sound = $soundconf->{compat}[$_]
		3079	or next;
		3080
		3081	my $face = cf::face::find "sound/$sound->[1]";
		3082	cf::sound::set $sound->[0] => $face;
		3083	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3084	}
		3085
		3086	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3087	my $face = cf::face::find "sound/$v";
		3088	cf::sound::set $k => $face;
		3089	}
		3090	}
2309	}	3091	}
2310		3092
2311	1	3093	1
2312	}	3094	}
2313		3095
		3096	register_exticmd fx_want => sub {
		3097	my ($ns, $want) = @_;
		3098
		3099	while (my ($k, $v) = each %$want) {
		3100	$ns->fx_want ($k, $v);
		3101	}
		3102	};
		3103
		3104	sub reload_regions {
		3105	# HACK to clear player env face cache, we need some signal framework
		3106	# for this (global event?)
		3107	%ext::player_env::MUSIC_FACE_CACHE = ();
		3108
		3109	load_resource_file "$MAPDIR/regions"
		3110	or die "unable to load regions file\n";
		3111
		3112	for (cf::region::list) {
		3113	$_->{match} = qr/$_->{match}/
		3114	if exists $_->{match};
		3115	}
		3116	}
		3117
		3118	sub reload_facedata {
		3119	load_facedata "$DATADIR/facedata"
		3120	or die "unable to load facedata\n";
		3121	}
		3122
		3123	sub reload_archetypes {
		3124	load_resource_file "$DATADIR/archetypes"
		3125	or die "unable to load archetypes\n";
		3126	#d# NEED to laod twice to resolve forward references
		3127	# this really needs to be done in an extra post-pass
		3128	# (which needs to be synchronous, so solve it differently)
		3129	load_resource_file "$DATADIR/archetypes"
		3130	or die "unable to load archetypes\n";
		3131	}
		3132
		3133	sub reload_treasures {
		3134	load_resource_file "$DATADIR/treasures"
		3135	or die "unable to load treasurelists\n";
		3136	}
		3137
2314	sub reload_resources {	3138	sub reload_resources {
2315	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3139	warn "reloading resource files...\n";
2316	or die "unable to load regions file\n";#d#	3140
		3141	reload_regions;
2317	load_facedata	3142	reload_facedata;
2318	or die "unable to load facedata\n";#d#	3143	#reload_archetypes;#d#
		3144	reload_archetypes;
		3145	reload_treasures;
		3146
		3147	warn "finished reloading resource files\n";
2319	}	3148	}
2320		3149
2321	sub init {	3150	sub init {
2322	reload_resources;	3151	reload_resources;
2323	}	3152	}
2324		3153
2325	sub cfg_load {	3154	sub reload_config {
2326	open my $fh, "<:utf8", cf::confdir . "/config"	3155	open my $fh, "<:utf8", "$CONFDIR/config"
2327	or return;	3156	or return;
2328		3157
2329	local $/;	3158	local $/;
2330	*CFG = YAML::Syck::Load <$fh>;	3159	*CFG = YAML::Syck::Load <$fh>;
2331		3160
…		…
2350	(async {	3179	(async {
2351	Event::one_event;	3180	Event::one_event;
2352	})->prio (Coro::PRIO_MAX);	3181	})->prio (Coro::PRIO_MAX);
2353	};	3182	};
2354		3183
2355	cfg_load;	3184	reload_config;
2356	db_init;	3185	db_init;
2357	load_extensions;	3186	load_extensions;
2358		3187
2359	$TICK_WATCHER->start;	3188	$TICK_WATCHER->start;
2360	Event::loop;	3189	Event::loop;
…		…
2376	},	3205	},
2377	);	3206	);
2378	}	3207	}
2379	}	3208	}
2380		3209
		3210	sub write_runtime {
		3211	my $runtime = "$LOCALDIR/runtime";
		3212
		3213	# first touch the runtime file to show we are still running:
		3214	# the fsync below can take a very very long time.
		3215
		3216	IO::AIO::aio_utime $runtime, undef, undef;
		3217
		3218	my $guard = cf::lock_acquire "write_runtime";
		3219
		3220	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3221	or return;
		3222
		3223	my $value = $cf::RUNTIME + 90 + 10;
		3224	# 10 is the runtime save interval, for a monotonic clock
		3225	# 60 allows for the watchdog to kill the server.
		3226
		3227	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3228	and return;
		3229
		3230	# always fsync - this file is important
		3231	aio_fsync $fh
		3232	and return;
		3233
		3234	# touch it again to show we are up-to-date
		3235	aio_utime $fh, undef, undef;
		3236
		3237	close $fh
		3238	or return;
		3239
		3240	aio_rename "$runtime~", $runtime
		3241	and return;
		3242
		3243	warn "runtime file written.\n";
		3244
		3245	1
		3246	}
		3247
2381	sub emergency_save() {	3248	sub emergency_save() {
2382	my $freeze_guard = cf::freeze_mainloop;	3249	my $freeze_guard = cf::freeze_mainloop;
2383		3250
2384	warn "enter emergency perl save\n";	3251	warn "enter emergency perl save\n";
2385		3252
…		…
2416		3283
2417	warn Carp::longmess "post_cleanup backtrace"	3284	warn Carp::longmess "post_cleanup backtrace"
2418	if $make_core;	3285	if $make_core;
2419	}	3286	}
2420		3287
2421	sub reload() {	3288	sub do_reload_perl() {
2422	# can/must only be called in main	3289	# can/must only be called in main
2423	if ($Coro::current != $Coro::main) {	3290	if ($Coro::current != $Coro::main) {
2424	warn "can only reload from main coroutine";	3291	warn "can only reload from main coroutine";
2425	return;	3292	return;
2426	}	3293	}
…		…
2460	%EXT_CORO = ();	3327	%EXT_CORO = ();
2461		3328
2462	warn "removing commands";	3329	warn "removing commands";
2463	%COMMAND = ();	3330	%COMMAND = ();
2464		3331
2465	warn "removing ext commands";	3332	warn "removing ext/exti commands";
2466	%EXTCMD = ();	3333	%EXTCMD = ();
		3334	%EXTICMD = ();
2467		3335
2468	warn "unloading/nuking all extensions";	3336	warn "unloading/nuking all extensions";
2469	for my $pkg (@EXTS) {	3337	for my $pkg (@EXTS) {
2470	warn "... unloading $pkg";	3338	warn "... unloading $pkg";
2471		3339
…		…
2501	Symbol::delete_package "safe::$_"	3369	Symbol::delete_package "safe::$_"
2502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3370	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2503		3371
2504	warn "unloading cf.pm \"a bit\"";	3372	warn "unloading cf.pm \"a bit\"";
2505	delete $INC{"cf.pm"};	3373	delete $INC{"cf.pm"};
		3374	delete $INC{"cf/pod.pm"};
2506		3375
2507	# don't, removes xs symbols, too,	3376	# don't, removes xs symbols, too,
2508	# and global variables created in xs	3377	# and global variables created in xs
2509	#Symbol::delete_package __PACKAGE__;	3378	#Symbol::delete_package __PACKAGE__;
2510		3379
…		…
2513	warn "reloading cf.pm";	3382	warn "reloading cf.pm";
2514	require cf;	3383	require cf;
2515	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3384	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2516		3385
2517	warn "loading config and database again";	3386	warn "loading config and database again";
2518	cf::cfg_load;	3387	cf::reload_config;
2519		3388
2520	warn "loading extensions";	3389	warn "loading extensions";
2521	cf::load_extensions;	3390	cf::load_extensions;
2522		3391
2523	warn "reattaching attachments to objects/players";	3392	warn "reattaching attachments to objects/players";
…		…
2525	warn "reattaching attachments to maps";	3394	warn "reattaching attachments to maps";
2526	reattach $_ for values %MAP;	3395	reattach $_ for values %MAP;
2527	warn "reattaching attachments to players";	3396	warn "reattaching attachments to players";
2528	reattach $_ for values %PLAYER;	3397	reattach $_ for values %PLAYER;
2529		3398
2530	warn "loading reloadable resources";
2531	reload_resources;
2532
2533	warn "leaving sync_job";	3399	warn "leaving sync_job";
2534		3400
2535	1	3401	1
2536	} or do {	3402	} or do {
2537	warn $@;	3403	warn $@;
…		…
2542	warn "reloaded";	3408	warn "reloaded";
2543	};	3409	};
2544		3410
2545	our $RELOAD_WATCHER; # used only during reload	3411	our $RELOAD_WATCHER; # used only during reload
2546		3412
		3413	sub reload_perl() {
		3414	# doing reload synchronously and two reloads happen back-to-back,
		3415	# coro crashes during coro_state_free->destroy here.
		3416
		3417	$RELOAD_WATCHER ||= Event->timer (
		3418	reentrant => 0,
		3419	after => 0,
		3420	data => WF_AUTOCANCEL,
		3421	cb => sub {
		3422	do_reload_perl;
		3423	undef $RELOAD_WATCHER;
		3424	},
		3425	);
		3426	}
		3427
2547	register_command "reload" => sub {	3428	register_command "reload" => sub {
2548	my ($who, $arg) = @_;	3429	my ($who, $arg) = @_;
2549		3430
2550	if ($who->flag (FLAG_WIZ)) {	3431	if ($who->flag (FLAG_WIZ)) {
2551	$who->message ("reloading server.");	3432	$who->message ("reloading server.");
2552		3433	async { reload_perl };
2553	# doing reload synchronously and two reloads happen back-to-back,
2554	# coro crashes during coro_state_free->destroy here.
2555
2556	$RELOAD_WATCHER ||= Event->timer (
2557	reentrant => 0,
2558	after => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => sub {
2561	reload;
2562	undef $RELOAD_WATCHER;
2563	},
2564	);
2565	}	3434	}
2566	};	3435	};
2567		3436
2568	unshift @INC, $LIBDIR;	3437	unshift @INC, $LIBDIR;
2569		3438
2570	my $bug_warning = 0;	3439	my $bug_warning = 0;
		3440
		3441	our @WAIT_FOR_TICK;
		3442	our @WAIT_FOR_TICK_BEGIN;
		3443
		3444	sub wait_for_tick {
		3445	return unless $TICK_WATCHER->is_active;
		3446	return if $Coro::current == $Coro::main;
		3447
		3448	my $signal = new Coro::Signal;
		3449	push @WAIT_FOR_TICK, $signal;
		3450	$signal->wait;
		3451	}
		3452
		3453	sub wait_for_tick_begin {
		3454	return unless $TICK_WATCHER->is_active;
		3455	return if $Coro::current == $Coro::main;
		3456
		3457	my $signal = new Coro::Signal;
		3458	push @WAIT_FOR_TICK_BEGIN, $signal;
		3459	$signal->wait;
		3460	}
		3461
		3462	our $stat_fh;
		3463	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2571		3464
2572	$TICK_WATCHER = Event->timer (	3465	$TICK_WATCHER = Event->timer (
2573	reentrant => 0,	3466	reentrant => 0,
2574	parked => 1,	3467	parked => 1,
2575	prio => 0,	3468	prio => 0,
…		…
2580	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3473	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2581	unless ++$bug_warning > 10;	3474	unless ++$bug_warning > 10;
2582	return;	3475	return;
2583	}	3476	}
2584		3477
		3478	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3479
2585	$NOW = Event::time;	3480	$NOW = $tick_start = Event::time;
2586		3481
2587	cf::server_tick; # one server iteration	3482	cf::server_tick; # one server iteration
		3483
2588	$RUNTIME += $TICK;	3484	$RUNTIME += $TICK;
2589	$NEXT_TICK += $TICK;	3485	$NEXT_TICK += $TICK;
2590		3486
2591	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3487	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2592	$NEXT_RUNTIME_WRITE = $NOW + 10;	3488	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2594	write_runtime	3490	write_runtime
2595	or warn "ERROR: unable to write runtime file: $!";	3491	or warn "ERROR: unable to write runtime file: $!";
2596	};	3492	};
2597	}	3493	}
2598		3494
2599	$WAIT_FOR_TICK->broadcast;
2600	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2601
2602	# my $AFTER = Event::time;	3495	# my $AFTER = Event::time;
2603	# warn $AFTER - $NOW;#d#	3496	# warn $AFTER - $NOW;#d#
2604		3497
		3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3499	$sig->send;
		3500	}
		3501	while (my $sig = shift @WAIT_FOR_TICK) {
		3502	$sig->send;
		3503	}
		3504
		3505	$NOW = Event::time;
		3506
2605	# if we are delayed by four ticks or more, skip them all	3507	# if we are delayed by four ticks or more, skip them all
2606	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3508	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2607		3509
2608	$TICK_WATCHER->at ($NEXT_TICK);	3510	$TICK_WATCHER->at ($NEXT_TICK);
2609	$TICK_WATCHER->start;	3511	$TICK_WATCHER->start;
		3512
		3513	$LOAD = ($NOW - $tick_start) / $TICK;
		3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3515
		3516	_post_tick;
		3517
		3518	# gather some statistics#d#
		3519	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3520	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2610	},	3521	},
2611	);	3522	);
2612		3523
2613	{	3524	{
		3525	BDB::min_parallel 8;
2614	BDB::max_poll_time $TICK * 0.1;	3526	BDB::max_poll_time $TICK * 0.1;
2615	$BDB_POLL_WATCHER = Event->io (	3527	$BDB_POLL_WATCHER = Event->io (
2616	reentrant => 0,	3528	reentrant => 0,
2617	fd => BDB::poll_fileno,	3529	fd => BDB::poll_fileno,
2618	poll => 'r',	3530	poll => 'r',
2619	prio => 0,	3531	prio => 0,
2620	data => WF_AUTOCANCEL,	3532	data => WF_AUTOCANCEL,
2621	cb => \&BDB::poll_cb,	3533	cb => \&BDB::poll_cb,
2622	);	3534	);
2623	BDB::min_parallel 8;
2624		3535
2625	BDB::set_sync_prepare {	3536	BDB::set_sync_prepare {
2626	my $status;	3537	my $status;
2627	my $current = $Coro::current;	3538	my $current = $Coro::current;
2628	(	3539	(
…		…
2642		3553
2643	cf::sync_job {	3554	cf::sync_job {
2644	eval {	3555	eval {
2645	BDB::db_env_open	3556	BDB::db_env_open
2646	$DB_ENV,	3557	$DB_ENV,
2647	$BDB_ENV_DIR,	3558	$BDBDIR,
2648	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3559	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2649	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3560	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2650	0666;	3561	0666;
2651		3562
2652	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3563	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2653		3564
2654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3565	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3566	| BDB::LOG_AUTOREMOVE, 1);
2655	$DB_ENV->set_lk_detect;	3567	$DB_ENV->set_lk_detect;
2656	};	3568	};
2657		3569
2658	cf::cleanup "db_env_open(db): $@" if $@;	3570	cf::cleanup "db_env_open(db): $@" if $@;
2659	};	3571	};
2660	}	3572	}
		3573
		3574	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3575	after => 11,
		3576	interval => 60,
		3577	hard => 1,
		3578	prio => 0,
		3579	data => WF_AUTOCANCEL,
		3580	cb => sub {
		3581	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3582	},
		3583	);
		3584	$BDB_TRICKLE_WATCHER = Event->timer (
		3585	after => 5,
		3586	interval => 10,
		3587	hard => 1,
		3588	prio => 0,
		3589	data => WF_AUTOCANCEL,
		3590	cb => sub {
		3591	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3592	},
		3593	);
2661	}	3594	}
2662		3595
2663	{	3596	{
2664	IO::AIO::min_parallel 8;	3597	IO::AIO::min_parallel 8;
2665		3598
…		…
2673	prio => 6,	3606	prio => 6,
2674	cb => \&IO::AIO::poll_cb,	3607	cb => \&IO::AIO::poll_cb,
2675	);	3608	);
2676	}	3609	}
2677		3610
		3611	my $_log_backtrace;
		3612
		3613	sub _log_backtrace {
		3614	my ($msg, @addr) = @_;
		3615
		3616	$msg =~ s/\n//;
		3617
		3618	# limit the # of concurrent backtraces
		3619	if ($_log_backtrace < 2) {
		3620	++$_log_backtrace;
		3621	async {
		3622	my @bt = fork_call {
		3623	@addr = map { sprintf "%x", $_ } @addr;
		3624	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3625	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3626	or die "addr2line: $!";
		3627
		3628	my @funcs;
		3629	my @res = <$fh>;
		3630	chomp for @res;
		3631	while (@res) {
		3632	my ($func, $line) = splice @res, 0, 2, ();
		3633	push @funcs, "[$func] $line";
		3634	}
		3635
		3636	@funcs
		3637	};
		3638
		3639	LOG llevInfo, "[ABT] $msg\n";
		3640	LOG llevInfo, "[ABT] $_\n" for @bt;
		3641	--$_log_backtrace;
		3642	};
		3643	} else {
		3644	LOG llevInfo, "[ABT] $msg\n";
		3645	LOG llevInfo, "[ABT] [suppressed]\n";
		3646	}
		3647	}
		3648
		3649	# load additional modules
		3650	use cf::pod;
		3651
2678	END { cf::emergency_save }	3652	END { cf::emergency_save }
2679		3653
2680	1	3654	1
2681		3655

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