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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.233 by root, Wed Apr 4 02:20:27 2007 UTC vs.
Revision 1.377 by root, Thu Oct 4 11:36:38 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_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	88	our $DB_ENV;
67		89
68	our %CFG;	90	our %CFG;
69		91
70	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	93	our $RUNTIME;
72		94
73	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		98
82	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
85	binmode STDOUT;	106	binmode STDOUT;
86	binmode STDERR;	107	binmode STDERR;
87		108
88	# read virtual server time, if available	109	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
93	}	114	}
94		115
95	mkdir cf::localdir;	116	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		118
102	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
103		120
104	sub cf::map::normalise;	121	sub cf::map::normalise;
105		122
…		…
116	=item $cf::RUNTIME	133	=item $cf::RUNTIME
117		134
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	136	every server tick.
120		137
121	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		141
123	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
125		146
126	=item $cf::NOW	147	=item $cf::NOW
127		148
128	The time of the last (current) server tick.	149	The time of the last (current) server tick.
129		150
130	=item $cf::TICK	151	=item $cf::TICK
131		152
132	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
133		164
134	=item %cf::CFG	165	=item %cf::CFG
135		166
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	168	from wherever your confdir points to.
138		169
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		171
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
145		181
146	=back	182	=back
147		183
148	=cut	184	=cut
149		185
150	BEGIN {	186	BEGIN {
151	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	188	my $msg = join "", @_;
153	utf8::encode $msg;
154		189
155	$msg .= "\n"	190	$msg .= "\n"
156	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
157		194
158	LOG llevError, $msg;	195	LOG llevError, $msg;
159	};	196	};
160	}	197	}
161		198
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		206
169	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	208	# within the Safe compartment.
171	for my $pkg (qw(	209	for my $pkg (qw(
172	cf::global cf::attachable	210	cf::global cf::attachable
…		…
180	}	218	}
181		219
182	$Event::DIED = sub {	220	$Event::DIED = sub {
183	warn "error in event callback: @_";	221	warn "error in event callback: @_";
184	};	222	};
		223
		224	#############################################################################
185		225
186	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
187		227
188	=over 4	228	=over 4
189		229
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	249	$d
210	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
211	}	251	}
212		252
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
216		254
217	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
218		256
219	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
220		258
221	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
222		267
223	=item cf::lock_wait $string	268	=item cf::lock_wait $string
224		269
225	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
226		271
…		…
229	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
232	returned.	277	returned.
233		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
234	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
236		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
237	=cut	289	=cut
238		290
239	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
240		293
241	sub lock_wait($) {	294	sub lock_wait($) {
242	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
243		301
244	# wait for lock, if any	302	# wait for lock, if any
245	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	305	Coro::schedule;
…		…
253		311
254	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
255	lock_wait $key;	313	lock_wait $key;
256		314
257	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
258		317
259	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
262	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
263	}	329	}
264		330
265	sub freeze_mainloop {	331	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
267		333
…		…
270	};	336	};
271	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
272	$guard	338	$guard
273	}	339	}
274		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
275	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
276		400
277	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
282		406
283	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
284		408
285	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
286		410
287	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
290		415
291	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
294	fast or be very important.	419	fast or be very important.
…		…
297		422
298	sub sync_job(&) {	423	sub sync_job(&) {
299	my ($job) = @_;	424	my ($job) = @_;
300		425
301	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
302	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
304		431
305	# TODO: use suspend/resume instead	432	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	433	# (but this is cancel-safe)
…		…
308		435
309	my $busy = 1;	436	my $busy = 1;
310	my @res;	437	my @res;
311		438
312	(async {	439	(async {
		440	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	441	@res = eval { $job->() };
314	warn $@ if $@;	442	warn $@ if $@;
315	undef $busy;	443	undef $busy;
316	})->prio (Coro::PRIO_MAX);	444	})->prio (Coro::PRIO_MAX);
317		445
318	while ($busy) {	446	while ($busy) {
319	Coro::cede or Event::one_event;	447	Coro::cede or Event::one_event;
320	}	448	}
		449
		450	$time = Event::time - $time;
		451
		452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		454
		455	$tick_start += $time; # do not account sync jobs to server load
321		456
322	wantarray ? @res : $res[0]	457	wantarray ? @res : $res[0]
323	} else {	458	} else {
324	# we are in another coroutine, how wonderful, everything just works	459	# we are in another coroutine, how wonderful, everything just works
325		460
…		…
345	$EXT_CORO{$coro+0} = $coro;	480	$EXT_CORO{$coro+0} = $coro;
346		481
347	$coro	482	$coro
348	}	483	}
349		484
350	sub write_runtime {	485	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		486
353	my $runtime = cf::localdir . "/runtime";	487	Executes the given code block with the given arguments in a seperate
		488	process, returning the results. Everything must be serialisable with
		489	Coro::Storable. May, of course, block. Note that the executed sub may
		490	never block itself or use any form of Event handling.
354		491
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	492	=cut
356	or return;
357		493
358	my $value = $cf::RUNTIME + 90 + 10;	494	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	495	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		496
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	497	# we seemingly have to make a local copy of the whole thing,
363	and return;	498	# otherwise perl prematurely frees the stuff :/
		499	# TODO: investigate and fix (likely this will be rather laborious)
364		500
365	# always fsync - this file is important	501	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	502	reset_signals;
367	and return;	503	&$cb
		504	}, @args;
368		505
369	close $fh	506	wantarray ? @res : $res[-1]
370	or return;	507	}
371		508
372	aio_rename "$runtime~", $runtime	509	=item $value = cf::db_get $family => $key
373	and return;
374		510
		511	Returns a single value from the environment database.
		512
		513	=item cf::db_put $family => $key => $value
		514
		515	Stores the given C<$value> in the family. It can currently store binary
		516	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		517
		518	=item $db = cf::db_table "name"
		519
		520	Create and/or open a new database table. The string must not be "db" and must be unique
		521	within each server.
		522
		523	=cut
		524
		525	sub db_table($) {
		526	my ($name) = @_;
		527	my $db = BDB::db_create $DB_ENV;
		528
		529	eval {
		530	$db->set_flags (BDB::CHKSUM);
		531
		532	utf8::encode $name;
		533	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		534	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		535	cf::cleanup "db_open(db): $!" if $!;
		536	};
		537	cf::cleanup "db_open(db): $@" if $@;
		538
		539	$db
		540	}
		541
		542	our $DB;
		543
		544	sub db_init {
		545	cf::sync_job {
		546	$DB ||= db_table "db";
		547	};
		548	}
		549
		550	sub db_get($$) {
		551	my $key = "$_[0]/$_[1]";
		552
		553	cf::sync_job {
		554	BDB::db_get $DB, undef, $key, my $data;
		555
		556	$! ? ()
		557	: $data
375	1	558	}
		559	}
		560
		561	sub db_put($$$) {
		562	BDB::dbreq_pri 4;
		563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		564	}
		565
		566	=item cf::cache $id => [$paths...], $processversion => $process
		567
		568	Generic caching function that returns the value of the resource $id,
		569	caching and regenerating as required.
		570
		571	This function can block.
		572
		573	=cut
		574
		575	sub cache {
		576	my ($id, $src, $processversion, $process) = @_;
		577
		578	my $meta =
		579	join "\x00",
		580	$processversion,
		581	map {
		582	aio_stat $_
		583	and Carp::croak "$_: $!";
		584
		585	($_, (stat _)[7,9])
		586	} @$src;
		587
		588	my $dbmeta = db_get cache => "$id/meta";
		589	if ($dbmeta ne $meta) {
		590	# changed, we may need to process
		591
		592	my @data;
		593	my $md5;
		594
		595	for (0 .. $#$src) {
		596	0 <= aio_load $src->[$_], $data[$_]
		597	or Carp::croak "$src->[$_]: $!";
		598	}
		599
		600	# if processing is expensive, check
		601	# checksum first
		602	if (1) {
		603	$md5 =
		604	join "\x00",
		605	$processversion,
		606	map {
		607	cf::cede_to_tick;
		608	($src->[$_], Digest::MD5::md5_hex $data[$_])
		609	} 0.. $#$src;
		610
		611
		612	my $dbmd5 = db_get cache => "$id/md5";
		613	if ($dbmd5 eq $md5) {
		614	db_put cache => "$id/meta", $meta;
		615
		616	return db_get cache => "$id/data";
		617	}
		618	}
		619
		620	my $t1 = Time::HiRes::time;
		621	my $data = $process->(\@data);
		622	my $t2 = Time::HiRes::time;
		623
		624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		625
		626	db_put cache => "$id/data", $data;
		627	db_put cache => "$id/md5" , $md5;
		628	db_put cache => "$id/meta", $meta;
		629
		630	return $data;
		631	}
		632
		633	db_get cache => "$id/data"
376	}	634	}
377		635
378	=item cf::datalog type => key => value, ...	636	=item cf::datalog type => key => value, ...
379		637
380	Log a datalog packet of the given type with the given key-value pairs.	638	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")	656	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	657	to it. All such attachable objects support the following methods.
400		658
401	In the following description, CLASS can be any of C<global>, C<object>	659	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	660	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	661	Crossfire TRT).
404		662
405	=over 4	663	=over 4
406		664
407	=item $attachable->attach ($attachment, key => $value...)	665	=item $attachable->attach ($attachment, key => $value...)
408		666
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	829	$registry = $CB_TYPE[$object_type] ||= [];
572		830
573	} elsif ($type eq "subtype") {	831	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	832	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	833	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	834	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		835
578	} elsif ($type eq "package") {	836	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	837	my $pkg = shift @arg;
580		838
581	while (my ($name, $id) = each %cb_id) {	839	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	868	_attach $registry, $klass, @attach;
611	}	869	}
612		870
613	$obj->{$name} = \%arg;	871	$obj->{$name} = \%arg;
614	} else {	872	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	873	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	874	}
617		875
618	$obj->{_attachment}{$name} = undef;	876	$obj->{_attachment}{$name} = undef;
619	}	877	}
620		878
…		…
622	if (ref $_[0]) {	880	if (ref $_[0]) {
623	_object_attach @_;	881	_object_attach @_;
624	} else {	882	} else {
625	_attach shift->_attach_registry, @_;	883	_attach shift->_attach_registry, @_;
626	}	884	}
		885	_recalc_want;
627	};	886	};
628		887
629	# all those should be optimised	888	# all those should be optimised
630	sub cf::attachable::detach {	889	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	890	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	893	delete $obj->{_attachment}{$name};
635	reattach ($obj);	894	reattach ($obj);
636	} else {	895	} else {
637	Carp::croak "cannot, currently, detach class attachments";	896	Carp::croak "cannot, currently, detach class attachments";
638	}	897	}
		898	_recalc_want;
639	};	899	};
640		900
641	sub cf::attachable::attached {	901	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	902	my ($obj, $name) = @_;
643		903
…		…
658	";	918	";
659	die if $@;	919	die if $@;
660	}	920	}
661		921
662	our $override;	922	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	923	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		924
665	sub override {	925	sub override {
666	$override = 1;	926	$override = 1;
667	@invoke_results = ();	927	@INVOKE_RESULTS = (@_);
668	}	928	}
669		929
670	sub do_invoke {	930	sub do_invoke {
671	my $event = shift;	931	my $event = shift;
672	my $callbacks = shift;	932	my $callbacks = shift;
673		933
674	@invoke_results = ();	934	@INVOKE_RESULTS = ();
675		935
676	local $override;	936	local $override;
677		937
678	for (@$callbacks) {	938	for (@$callbacks) {
679	eval { &{$_->[1]} };	939	eval { &{$_->[1]} };
…		…
696		956
697	Generate an object-specific event with the given arguments.	957	Generate an object-specific event with the given arguments.
698		958
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	959	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	960	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	961	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		962
703	=back	963	=back
704		964
705	=cut	965	=cut
706		966
707	#############################################################################	967	#############################################################################
708	# object support	968	# object support
		969	#
		970
		971	sub _can_merge {
		972	my ($ob1, $ob2) = @_;
		973
		974	local $Storable::canonical = 1;
		975	my $fob1 = Storable::freeze $ob1;
		976	my $fob2 = Storable::freeze $ob2;
		977
		978	$fob1 eq $fob2
		979	}
709		980
710	sub reattach {	981	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	982	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	983	my ($obj) = @_;
713		984
…		…
760	sub object_freezer_save {	1031	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1032	my ($filename, $rdata, $objs) = @_;
762		1033
763	sync_job {	1034	sync_job {
764	if (length $$rdata) {	1035	if (length $$rdata) {
		1036	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1037	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1038	$decname, length $$rdata, scalar @$objs;
767		1039
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1041	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1043	aio_fsync $fh if $cf::USE_FSYNC;
…		…
790	}	1062	}
791	} else {	1063	} else {
792	aio_unlink $filename;	1064	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
794	}	1066	}
795	}	1067	};
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
…		…
812	or return;	1084	or return;
813		1085
814	unless (aio_stat "$filename.pst") {	1086	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1087	(aio_load "$filename.pst", $av) >= 0
816	or return;	1088	or return;
		1089
817	$av = eval { (Storable::thaw $av)->{objs} };	1090	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1091	}
819		1092
		1093	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1094	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1095	$decname, length $data, scalar @{$av || []};
		1096
822	return ($data, $av);	1097	($data, $av)
823	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
824		1105
825	#############################################################################	1106	#############################################################################
826	# command handling &c	1107	# command handling &c
827		1108
828	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1123	}
843		1124
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1126
846	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
847		1132
848	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
849	called.	1134	called.
850		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
851	=cut	1147	=cut
852		1148
853	sub register_extcmd {	1149	sub register_extcmd {
854	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
855		1151
856	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
857	}	1159	}
858		1160
859	cf::player->attach (	1161	cf::player->attach (
860	on_command => sub {	1162	on_command => sub {
861	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1172	cf::override;
871	},	1173	},
872	on_extcmd => sub {	1174	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
874		1176
875	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1178
877	if (ref $msg) {	1179	if (ref $msg) {
		1180	my ($type, $reply, @payload) =
		1181	"ARRAY" eq ref $msg
		1182	? @$msg
		1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1184
		1185	my @reply;
		1186
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1187	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1188	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1189	}
		1190
		1191	$pl->ext_reply ($reply, @reply)
		1192	if $reply;
		1193
883	} else {	1194	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1196	}
886		1197
887	cf::override;	1198	cf::override;
888	},	1199	},
889	);	1200	);
890		1201
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 {	1202	sub load_extensions {
		1203	cf::sync_job {
		1204	my %todo;
		1205
926	for my $ext (<$LIBDIR/*.ext>) {	1206	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1207	next unless -r $path;
928	eval {	1208
929	load_extension $ext;	1209	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1210	my $base = $1;
		1211	my $pkg = $1;
		1212	$pkg =~ s/[^[:word:]]/_/g;
		1213	$pkg = "ext::$pkg";
		1214
		1215	open my $fh, "<:utf8", $path
		1216	or die "$path: $!";
		1217
		1218	my $source = do { local $/; <$fh> };
		1219
		1220	my %ext = (
		1221	path => $path,
		1222	base => $base,
		1223	pkg => $pkg,
		1224	);
		1225
		1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1228
		1229	$ext{source} =
		1230	"package $pkg; use strict; use utf8;\n"
		1231	. "#line 1 \"$path\"\n{\n"
		1232	. $source
		1233	. "\n};\n1";
		1234
		1235	$todo{$base} = \%ext;
		1236	}
		1237
		1238	my %done;
		1239	while (%todo) {
		1240	my $progress;
		1241
		1242	while (my ($k, $v) = each %todo) {
		1243	for (split /,\s*/, $v->{meta}{depends}) {
		1244	goto skip
		1245	unless exists $done{$_};
		1246	}
		1247
		1248	warn "... loading '$k' into '$v->{pkg}'\n";
		1249
		1250	unless (eval $v->{source}) {
		1251	my $msg = $@ ? "$v->{path}: $@\n"
		1252	: "$v->{base}: extension inactive.\n";
		1253
		1254	if (exists $v->{meta}{mandatory}) {
		1255	warn $msg;
		1256	warn "mandatory extension failed to load, exiting.\n";
		1257	exit 1;
		1258	}
		1259
		1260	warn $msg;
		1261	}
		1262
		1263	$done{$k} = delete $todo{$k};
		1264	push @EXTS, $v->{pkg};
		1265	$progress = 1;
930	1	1266	}
931	} or warn "$ext not loaded: $@";	1267
		1268	skip:
		1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1270	unless $progress;
		1271	}
932	}	1272	};
933	}	1273	}
934		1274
935	#############################################################################	1275	#############################################################################
936		1276
		1277	=back
		1278
937	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
938		1280
939	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
940		1282
941	=cut	1283	=cut
…		…
946		1288
947	=head3 cf::player	1289	=head3 cf::player
948		1290
949	=over 4	1291	=over 4
950		1292
		1293	=item cf::player::num_playing
		1294
		1295	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1296
		1297	=cut
		1298
		1299	sub num_playing {
		1300	scalar grep
		1301	$_->ob->map
		1302	&& !$_->hidden
		1303	&& !$_->ob->flag (cf::FLAG_WIZ),
		1304	cf::player::list
		1305	}
		1306
951	=item cf::player::find $login	1307	=item cf::player::find $login
952		1308
953	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
954		1310
955	=cut	1311	=cut
956		1312
957	sub playerdir($) {	1313	sub playerdir($) {
958	cf::localdir	1314	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1315	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1316	}
964		1317
965	sub path($) {	1318	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1319	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1320
968	(playerdir $login) . "/$login.pl"	1321	(playerdir $login) . "/playerdata"
969	}	1322	}
970		1323
971	sub find_active($) {	1324	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1325	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1326	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1339	my $login = $_[0];
987		1340
988	my $guard = cf::lock_acquire "user_find:$login";	1341	my $guard = cf::lock_acquire "user_find:$login";
989		1342
990	$cf::PLAYER{$_[0]} || do {	1343	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1344	# rename old playerfiles to new ones
		1345	#TODO: remove when no longer required
		1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1349	aio_unlink +(playerdir $login) . "/$login.pl";
		1350
		1351	my $f = new_from_file cf::object::thawer path $login
992	or return;	1352	or return;
		1353
		1354	my $pl = cf::player::load_pl $f
		1355	or return;
		1356	local $cf::PLAYER_LOADING{$login} = $pl;
		1357	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
994	}	1359	}
995	}	1360	}
996	}	1361	}
997		1362
…		…
1007		1372
1008	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
1010		1375
1011	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
1012	Coro::cede;	1377	cf::cede_to_tick;
1013	}	1378	}
1014		1379
1015	sub new($) {	1380	sub new($) {
1016	my ($login) = @_;	1381	my ($login) = @_;
1017		1382
…		…
1021	$self->{deny_save} = 1;	1386	$self->{deny_save} = 1;
1022		1387
1023	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
1024		1389
1025	$self	1390	$self
		1391	}
		1392
		1393	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1394
		1395	=cut
		1396
		1397	sub send_msg {
		1398	my $ns = shift->ns
		1399	or return;
		1400	$ns->send_msg (@_);
1026	}	1401	}
1027		1402
1028	=item $pl->quit_character	1403	=item $pl->quit_character
1029		1404
1030	Nukes the player without looking back. If logged in, the connection will	1405	Nukes the player without looking back. If logged in, the connection will
…		…
1079	while and may block, so not sync_job-capable, ever.	1454	while and may block, so not sync_job-capable, ever.
1080		1455
1081	=cut	1456	=cut
1082		1457
1083	sub list_logins {	1458	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1459	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1460	or return [];
1086		1461
1087	my @logins;	1462	my @logins;
1088		1463
1089	for my $login (@$dirs) {	1464	for my $login (@$dirs) {
		1465	my $path = path $login;
		1466
		1467	# a .pst is a dead give-away for a valid player
		1468	unless (-e "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1093		1473
1094	utf8::decode $login;	1474	utf8::decode $login;
1095	push @logins, $login;	1475	push @logins, $login;
1096	}	1476	}
1097		1477
…		…
1124	}	1504	}
1125		1505
1126	\@paths	1506	\@paths
1127	}	1507	}
1128		1508
		1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1510
		1511	Expand crossfire pod fragments into protocol xml.
		1512
		1513	=cut
		1514
		1515	sub expand_cfpod {
		1516	((my $self), (local $_)) = @_;
		1517
		1518	# escape & and <
		1519	s/&/&amp;/g;
		1520	s/(?<![BIUGHT])</&lt;/g;
		1521
		1522	# this is buggy, it needs to properly take care of nested <'s
		1523
		1524	1 while
		1525	# replace B<>, I<>, U<> etc.
		1526	s/B<([^\>]*)>/<b>$1<\/b>/
		1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1530	# replace G<male|female> tags
		1531	|| s{G<([^>|]*)\|([^>]*)>}{
		1532	$self->gender ? $2 : $1
		1533	}ge
		1534	# replace H<hint text>
		1535	|| s{H<([^\>]*)>}
		1536	{
		1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1539	"")
		1540	[$self->{hintmode}]
		1541	}ge;
		1542
		1543	# create single paragraphs (very hackish)
		1544	s/(?<=\S)\n(?=\w)/ /g;
		1545
		1546	# compress some whitespace
		1547	s/\s+\n/\n/g; # ws line-ends
		1548	s/\n\n+/\n/g; # double lines
		1549	s/^\n+//; # beginning lines
		1550	s/\n+$//; # ending lines
		1551
		1552	$_
		1553	}
		1554
		1555	sub hintmode {
		1556	$_[0]{hintmode} = $_[1] if @_ > 1;
		1557	$_[0]{hintmode}
		1558	}
		1559
1129	=item $player->ext_reply ($msgid, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1130		1561
1131	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1132		1563
1133	=cut	1564	=cut
1134		1565
1135	sub ext_reply($$%) {	1566	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1137		1568
1138	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1570	}
1142		1571
1143	=item $player->ext_event ($type, %msg)	1572	=item $player->ext_msg ($type, @msg)
1144		1573
1145	Sends an ext event to the client.	1574	Sends an ext event to the client.
1146		1575
1147	=cut	1576	=cut
1148		1577
1149	sub ext_event($$%) {	1578	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1579	my ($self, $type, @msg) = @_;
1151		1580
1152	$self->ns->ext_event ($type, %msg);	1581	$self->ns->ext_msg ($type, @msg);
1153	}	1582	}
1154		1583
1155	package cf;	1584	=head3 cf::region
		1585
		1586	=over 4
		1587
		1588	=cut
		1589
		1590	package cf::region;
		1591
		1592	=item cf::region::find_by_path $path
		1593
		1594	Tries to decuce the likely region for a map knowing only its path.
		1595
		1596	=cut
		1597
		1598	sub find_by_path($) {
		1599	my ($path) = @_;
		1600
		1601	my ($match, $specificity);
		1602
		1603	for my $region (list) {
		1604	if ($region->{match} && $path =~ $region->{match}) {
		1605	($match, $specificity) = ($region, $region->specificity)
		1606	if $region->specificity > $specificity;
		1607	}
		1608	}
		1609
		1610	$match
		1611	}
1156		1612
1157	=back	1613	=back
1158
1159		1614
1160	=head3 cf::map	1615	=head3 cf::map
1161		1616
1162	=over 4	1617	=over 4
1163		1618
…		…
1218	my ($self, $merge) = @_;	1673	my ($self, $merge) = @_;
1219		1674
1220	# we have to keep some variables in memory intact	1675	# we have to keep some variables in memory intact
1221	local $self->{path};	1676	local $self->{path};
1222	local $self->{load_path};	1677	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1678
1226	$self->SUPER::thawer_merge ($merge);	1679	$self->SUPER::thawer_merge ($merge);
1227	}	1680	}
1228		1681
1229	sub normalise {	1682	sub normalise {
…		…
1276	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1277	return $self;	1730	return $self;
1278	}	1731	}
1279	}	1732	}
1280		1733
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1282	()	1735	()
1283	}	1736	}
1284		1737
1285	sub init {	1738	sub init {
1286	my ($self) = @_;	1739	my ($self) = @_;
…		…
1301		1754
1302	# the original (read-only) location	1755	# the original (read-only) location
1303	sub load_path {	1756	sub load_path {
1304	my ($self) = @_;	1757	my ($self) = @_;
1305		1758
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1759	"$MAPDIR/$self->{path}.map"
1307	}	1760	}
1308		1761
1309	# the temporary/swap location	1762	# the temporary/swap location
1310	sub save_path {	1763	sub save_path {
1311	my ($self) = @_;	1764	my ($self) = @_;
1312		1765
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1767	"$TMPDIR/$path.map"
1315	}	1768	}
1316		1769
1317	# the unique path, undef == no special unique path	1770	# the unique path, undef == no special unique path
1318	sub uniq_path {	1771	sub uniq_path {
1319	my ($self) = @_;	1772	my ($self) = @_;
1320		1773
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1775	"$UNIQUEDIR/$path"
1323	}	1776	}
1324		1777
1325	# and all this just because we cannot iterate over	1778	# and all this just because we cannot iterate over
1326	# all maps in C++...	1779	# all maps in C++...
1327	sub change_all_map_light {	1780	sub change_all_map_light {
…		…
1329		1782
1330	$_->change_map_light ($change)	1783	$_->change_map_light ($change)
1331	for grep $_->outdoor, values %cf::MAP;	1784	for grep $_->outdoor, values %cf::MAP;
1332	}	1785	}
1333		1786
		1787	sub decay_objects {
		1788	my ($self) = @_;
		1789
		1790	return if $self->{deny_reset};
		1791
		1792	$self->do_decay_objects;
		1793	}
		1794
1334	sub unlink_save {	1795	sub unlink_save {
1335	my ($self) = @_;	1796	my ($self) = @_;
1336		1797
1337	utf8::encode (my $save = $self->save_path);	1798	utf8::encode (my $save = $self->save_path);
1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1799	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1341		1802
1342	sub load_header_from($) {	1803	sub load_header_from($) {
1343	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1344		1805
1345	utf8::encode $path;	1806	utf8::encode $path;
1346	#aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1347	# or return;
1348
1349	$self->_load_header ($path)
1350	or return;	1808	or return;
		1809
		1810	$self->_load_header ($f)
		1811	or return;
		1812
		1813	local $MAP_LOADING{$self->{path}} = $self;
		1814	$f->resolve_delayed_derefs;
1351		1815
1352	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1353		1817
1354	1	1818	1
1355	}	1819	}
…		…
1394	$self->load_header_orig	1858	$self->load_header_orig
1395	or return;	1859	or return;
1396	$self->prepare_orig;	1860	$self->prepare_orig;
1397	}	1861	}
1398		1862
		1863	$self->{deny_reset} = 1
		1864	if $self->no_reset;
		1865
		1866	$self->default_region (cf::region::find_by_path $self->{path})
		1867	unless $self->default_region;
		1868
1399	1	1869	1
1400	}	1870	}
1401		1871
1402	sub find;	1872	sub find;
1403	sub find {	1873	sub find {
1404	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1405		1875
1406	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1407		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1408	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1409		1880
1410	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1411	my $guard = cf::lock_acquire "map_find:$path";	1882	my $guard1 = cf::lock_acquire "map_find:$path";
		1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1884
1412	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1413	or return;	1886	or return;
1414		1887
1415	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1416		1889
1417	$map->load_header	1890	$map->load_header
1418	or return;	1891	or return;
1419		1892
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	1894	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1423	$map->reset;	1898	$map->reset;
1424	undef $guard;
1425	return find $path;	1899	return find $path;
1426	}	1900	}
1427		1901
1428	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1429	}	1903	}
…		…
1436	my ($self) = @_;	1910	my ($self) = @_;
1437		1911
1438	local $self->{deny_reset} = 1; # loading can take a long time	1912	local $self->{deny_reset} = 1; # loading can take a long time
1439		1913
1440	my $path = $self->{path};	1914	my $path = $self->{path};
		1915
		1916	{
1441	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1442		1918
		1919	return unless $self->valid;
1443	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1444		1921
1445	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1446		1923
1447	$self->alloc;	1924	$self->alloc;
1448		1925
1449	$self->pre_load;	1926	$self->pre_load;
		1927	cf::cede_to_tick;
1450		1928
1451	$self->_load_objects ($self->{load_path}, 1)	1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
		1931	$self->_load_objects ($f)
1452	or return;	1932	or return;
1453		1933
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1455	if delete $self->{load_original};	1935	if delete $self->{load_original};
1456		1936
1457	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	1938	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1460	$self->clear_unique_items;	1941	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1462	}	1945	}
1463	}	1946	}
1464		1947
1465	Coro::cede;	1948	$f->resolve_delayed_derefs;
1466		1949
		1950	cf::cede_to_tick;
1467	# now do the right thing for maps	1951	# now do the right thing for maps
1468	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;
1475	$self->set_darkness_map;
1476	$self->difficulty ($self->estimate_difficulty)	1953	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	1954	unless $self->difficulty;
1478	Coro::cede;	1955	cf::cede_to_tick;
		1956
		1957	unless ($self->{deny_activate}) {
		1958	$self->decay_objects;
		1959	$self->fix_auto_apply;
		1960	$self->update_buttons;
		1961	cf::cede_to_tick;
		1962	$self->set_darkness_map;
		1963	cf::cede_to_tick;
1479	$self->activate;	1964	$self->activate;
		1965	}
		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
		1969
		1970	$self->in_memory (cf::MAP_IN_MEMORY);
1480	}	1971	}
1481		1972
1482	$self->post_load;	1973	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	1974	}
1486		1975
1487	sub customise_for {	1976	sub customise_for {
1488	my ($self, $ob) = @_;	1977	my ($self, $ob) = @_;
1489		1978
1490	return find "~" . $ob->name . "/" . $self->{path}	1979	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	1980	if $self->per_player;
1492		1981
		1982	# return find "?party/" . $ob->name . "/" . $self->{path}
		1983	# if $self->per_party;
		1984
1493	$self	1985	$self
1494	}	1986	}
1495		1987
1496	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {	1989	sub load_neighbours {
1498	my ($map) = @_;	1990	my ($map) = @_;
1499		1991
1500	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1501		1993
1502	for (0 .. 3) {	1994	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1504	or next;	1996	or next;
1505	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1506	or next;	1998	or next;
1507	$neigh->load;	1999	$neigh->load;
1508		2000
		2001	push @neigh,
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}	2004	}
1512		2005
1513	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1514	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1515	or next;	2009	or next;
1516	$neigh->load;	2010	$neigh->load;
1517	}	2011	}
1518	}	2012	}
1519		2013
…		…
1524	}	2018	}
1525		2019
1526	sub do_load_sync {	2020	sub do_load_sync {
1527	my ($map) = @_;	2021	my ($map) = @_;
1528		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1529	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1530	}	2027	}
1531		2028
1532	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	2030	our $MAP_PREFETCHER = undef;
1534		2031
1535	sub find_async {	2032	sub find_async {
1536	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1537		2034
1538	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1539		2036
1540	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1542	}	2039	}
1543		2040
1544	undef $MAP_PREFETCH{$path};	2041	$MAP_PREFETCH{$path} |= $load;
		2042
1545	$MAP_PREFETCHER ||= cf::async {	2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
1546	while (%MAP_PREFETCH) {	2046	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	2047	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	2048	if (my $map = find $k) {
1549	or next;
1550	$map->load;	2049	$map->load if $v;
		2050	}
1551		2051
1552	delete $MAP_PREFETCH{$path};	2052	delete $MAP_PREFETCH{$k};
1553	}	2053	}
1554	}	2054	}
1555	undef $MAP_PREFETCHER;	2055	undef $MAP_PREFETCHER;
1556	};	2056	};
1557	$MAP_PREFETCHER->prio (6);	2057	$MAP_PREFETCHER->prio (6);
…		…
1560	}	2060	}
1561		2061
1562	sub save {	2062	sub save {
1563	my ($self) = @_;	2063	my ($self) = @_;
1564		2064
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1566		2066
1567	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1568		2068
1569	return unless $self->dirty;	2069	return unless $self->dirty;
1570		2070
…		…
1576	return if $self->{deny_save};	2076	return if $self->{deny_save};
1577		2077
1578	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1579		2079
1580	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1581	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1582	};	2083	};
1583		2084
1584	if ($uniq) {	2085	if ($uniq) {
1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1593	my ($self) = @_;	2094	my ($self) = @_;
1594		2095
1595	# save first because save cedes	2096	# save first because save cedes
1596	$self->save;	2097	$self->save;
1597		2098
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2100
1600	return if $self->players;	2101	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1602	return if $self->{deny_save};	2103	return if $self->{deny_save};
1603		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2109	$self->clear;
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	}	2110	}
1607		2111
1608	sub reset_at {	2112	sub reset_at {
1609	my ($self) = @_;	2113	my ($self) = @_;
1610		2114
1611	# TODO: safety, remove and allow resettable per-player maps	2115	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2116	return 1e99 if $self->{deny_reset};
1614		2117
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2120
…		…
1628	my ($self) = @_;	2131	my ($self) = @_;
1629		2132
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2134
1632	return if $self->players;	2135	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2136
1635	warn "resetting map ", $self->path;#d#	2137	warn "resetting map ", $self->path;
1636		2138
1637	$self->in_memory (cf::MAP_SWAPPED);	2139	$self->in_memory (cf::MAP_SWAPPED);
1638		2140
1639	# need to save uniques path	2141	# need to save uniques path
1640	unless ($self->{deny_save}) {	2142	unless ($self->{deny_save}) {
…		…
1644	if $uniq;	2146	if $uniq;
1645	}	2147	}
1646		2148
1647	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1648		2150
		2151	$self->deactivate;
		2152	$_->clear_links_to ($self) for values %cf::MAP;
1649	$self->clear;	2153	$self->clear;
1650
1651	$_->clear_links_to ($self) for values %cf::MAP;
1652		2154
1653	$self->unlink_save;	2155	$self->unlink_save;
1654	$self->destroy;	2156	$self->destroy;
1655	}	2157	}
1656		2158
1657	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1658		2160
1659	sub nuke {	2161	sub nuke {
1660	my ($self) = @_;	2162	my ($self) = @_;
1661		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
1662	delete $cf::MAP{$self->path};	2167	delete $cf::MAP{$self->path};
1663		2168
1664	$self->unlink_save;	2169	$self->unlink_save;
1665		2170
1666	bless $self, "cf::map";	2171	bless $self, "cf::map";
1667	delete $self->{deny_reset};	2172	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2176
1672	$cf::MAP{$self->path} = $self;	2177	$cf::MAP{$self->path} = $self;
		2178	}
1673		2179
1674	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
		2181	}
		2182
		2183	=item $maps = cf::map::tmp_maps
		2184
		2185	Returns an arrayref with all map paths of currently instantiated and saved
		2186	maps. May block.
		2187
		2188	=cut
		2189
		2190	sub tmp_maps() {
		2191	[
		2192	map {
		2193	utf8::decode $_;
		2194	/\.map$/
		2195	? normalise $_
		2196	: ()
		2197	} @{ aio_readdir $TMPDIR or [] }
		2198	]
		2199	}
		2200
		2201	=item $maps = cf::map::random_maps
		2202
		2203	Returns an arrayref with all map paths of currently instantiated and saved
		2204	random maps. May block.
		2205
		2206	=cut
		2207
		2208	sub random_maps() {
		2209	[
		2210	map {
		2211	utf8::decode $_;
		2212	/\.map$/
		2213	? normalise "?random/$_"
		2214	: ()
		2215	} @{ aio_readdir $RANDOMDIR or [] }
		2216	]
1675	}	2217	}
1676		2218
1677	=item cf::map::unique_maps	2219	=item cf::map::unique_maps
1678		2220
1679	Returns an arrayref of paths of all shared maps that have	2221	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2222	instantiated unique items. May block.
1681		2223
1682	=cut	2224	=cut
1683		2225
1684	sub unique_maps() {	2226	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2227	[
1686	or return;	2228	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2229	utf8::decode $_;
1692	next if /\.pst$/;	2230	/\.map$/
1693	next unless /^$PATH_SEP/o;	2231	? normalise $_
1694		2232	: ()
1695	push @paths, cf::map::normalise $_;	2233	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2234	]
1697
1698	\@paths
1699	}	2235	}
1700		2236
1701	package cf;	2237	package cf;
1702		2238
1703	=back	2239	=back
…		…
1721	map { $_, inv_recursive_ $_->inv } @_	2257	map { $_, inv_recursive_ $_->inv } @_
1722	}	2258	}
1723		2259
1724	sub inv_recursive {	2260	sub inv_recursive {
1725	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
		2262	}
		2263
		2264	=item $ref = $ob->ref
		2265
		2266	creates and returns a persistent reference to an objetc that can be stored as a string.
		2267
		2268	=item $ob = cf::object::deref ($refstring)
		2269
		2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2271	even if the object actually exists. May block.
		2272
		2273	=cut
		2274
		2275	sub deref {
		2276	my ($ref) = @_;
		2277
		2278	# temporary compatibility#TODO#remove
		2279	$ref =~ s{^<}{player/<};
		2280
		2281	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2282	my ($uuid, $name) = ($1, $2);
		2283	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2284	or return;
		2285	$pl->ob->uuid eq $uuid
		2286	or return;
		2287
		2288	$pl->ob
		2289	} else {
		2290	warn "$ref: cannot resolve object reference\n";
		2291	undef
		2292	}
1726	}	2293	}
1727		2294
1728	package cf;	2295	package cf;
1729		2296
1730	=back	2297	=back
…		…
1749		2316
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2317	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2318
1752	if ($self->{record_replies}) {	2319	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2320	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2321
1754	} else {	2322	} else {
		2323	my $pl = $self->contr;
		2324
		2325	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2326	my $dialog = $pl->{npc_dialog};
		2327	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2328
		2329	} else {
1755	$msg = $npc->name . " says: $msg" if $npc;	2330	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2331	$self->message ($msg, $flags);
		2332	}
1757	}	2333	}
		2334	}
		2335
		2336	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2337
		2338	=cut
		2339
		2340	sub cf::object::send_msg {
		2341	my $pl = shift->contr
		2342	or return;
		2343	$pl->send_msg (@_);
1758	}	2344	}
1759		2345
1760	=item $player_object->may ("access")	2346	=item $player_object->may ("access")
1761		2347
1762	Returns wether the given player is authorized to access resource "access"	2348	Returns wether the given player is authorized to access resource "access"
…		…
1809	$self->deactivate_recursive;	2395	$self->deactivate_recursive;
1810		2396
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2397	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2398
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2399	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2400	if $self->map && $self->map->{path} ne "{link}";
1815		2401
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2402	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1817	}	2403	}
1818		2404
1819	sub cf::object::player::leave_link {	2405	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2406	my ($self, $map, $x, $y) = @_;
		2407
		2408	return unless $self->contr->active;
1821		2409
1822	my $link_pos = delete $self->{_link_pos};	2410	my $link_pos = delete $self->{_link_pos};
1823		2411
1824	unless ($map) {	2412	unless ($map) {
1825	# restore original map position	2413	# restore original map position
…		…
1839	# use -1 or undef as default coordinates, not 0, 0	2427	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2428	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2429	if $x <=0 && $y <= 0;
1842		2430
1843	$map->load;	2431	$map->load;
1844	$map->load_diag;	2432	$map->load_neighbours;
1845		2433
1846	return unless $self->contr->active;	2434	return unless $self->contr->active;
1847	$self->activate_recursive;	2435	$self->activate_recursive;
1848		2436
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2437	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2438	$self->enter_map ($map, $x, $y);
1851	}	2439	}
1852		2440
1853	cf::player->attach (	2441	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1854	on_logout => sub {
1855	my ($pl) = @_;
1856		2442
1857	# abort map switching before logout	2443	Moves the player to the given map-path and coordinates by first freezing
1858	if ($pl->ob->{_link_pos}) {	2444	her, loading and preparing them map, calling the provided $check callback
1859	cf::sync_job {	2445	that has to return the map if sucecssful, and then unfreezes the player on
1860	$pl->ob->leave_link	2446	the new (success) or old (failed) map position. In either case, $done will
1861	};	2447	be called at the end of this process.
1862	}
1863	},
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2448
1867	# try to abort aborted map switching on player login :)
1868	# should happen only on crashes
1869	if ($pl->ob->{_link_pos}) {
1870	$pl->ob->enter_link;
1871	(async {
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884
1885	=item $player_object->goto ($path, $x, $y)
1886
1887	=cut	2449	=cut
		2450
		2451	our $GOTOGEN;
1888		2452
1889	sub cf::object::player::goto {	2453	sub cf::object::player::goto {
1890	my ($self, $path, $x, $y) = @_;	2454	my ($self, $path, $x, $y, $check, $done) = @_;
		2455
		2456	# do generation counting so two concurrent goto's will be executed in-order
		2457	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1891		2458
1892	$self->enter_link;	2459	$self->enter_link;
1893		2460
1894	(async {	2461	(async {
		2462	$Coro::current->{desc} = "player::goto $path $x $y";
		2463
		2464	# *tag paths override both path and x|y
		2465	if ($path =~ /^\*(.*)$/) {
		2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2467	my $ob = $obs[rand @obs];
		2468
		2469	# see if we actually can go there
		2470	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2471	$ob = $obs[rand @obs];
		2472	} else {
		2473	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2474	}
		2475	# else put us there anyways for now #d#
		2476
		2477	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2478	} else {
		2479	($path, $x, $y) = (undef, undef, undef);
		2480	}
		2481	}
		2482
1895	my $map = eval {	2483	my $map = eval {
1896	my $map = cf::map::find $path;	2484	my $map = defined $path ? cf::map::find $path : undef;
		2485
		2486	if ($map) {
1897	$map = $map->customise_for ($self) if $map;	2487	$map = $map->customise_for ($self);
		2488	$map = $check->($map) if $check && $map;
		2489	} else {
		2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2491	}
		2492
1898	$map	2493	$map
		2494	};
		2495
		2496	if ($@) {
		2497	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2498	LOG llevError | logBacktrace, Carp::longmess $@;
1899	} or	2499	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2500
		2501	if ($gen == $self->{_goto_generation}) {
		2502	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
		2504	}
		2505
		2506	$done->() if $done;
1903	})->prio (1);	2507	})->prio (1);
1904	}	2508	}
1905		2509
1906	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
1907		2511
…		…
1946		2550
1947	$rmp->{random_seed} ||= $exit->random_seed;	2551	$rmp->{random_seed} ||= $exit->random_seed;
1948		2552
1949	my $data = cf::to_json $rmp;	2553	my $data = cf::to_json $rmp;
1950	my $md5 = Digest::MD5::md5_hex $data;	2554	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2555	my $meta = "$RANDOMDIR/$md5.meta";
1952		2556
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2558	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2559	undef $fh;
1956	aio_rename "$meta~", $meta;	2560	aio_rename "$meta~", $meta;
…		…
1976	my $hp = $exit->stats->hp;	2580	my $hp = $exit->stats->hp;
1977	my $sp = $exit->stats->sp;	2581	my $sp = $exit->stats->sp;
1978		2582
1979	$self->enter_link;	2583	$self->enter_link;
1980		2584
		2585	# if exit is damned, update players death & WoR home-position
		2586	$self->contr->savebed ($slaying, $hp, $sp)
		2587	if $exit->flag (FLAG_DAMNED);
		2588
1981	(async {	2589	(async {
		2590	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2591
1982	$self->deactivate_recursive; # just to be sure	2592	$self->deactivate_recursive; # just to be sure
1983	unless (eval {	2593	unless (eval {
1984	$self->goto ($slaying, $hp, $sp);	2594	$self->goto ($slaying, $hp, $sp);
1985		2595
1986	1;	2596	1;
…		…
2012		2622
2013	utf8::encode $text;	2623	utf8::encode $text;
2014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2624	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2015	}	2625	}
2016		2626
		2627	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2628
		2629	Send a drawinfo or msg packet to the client, formatting the msg for the
		2630	client if neccessary. C<$type> should be a string identifying the type of
		2631	the message, with C<log> being the default. If C<$color> is negative, suppress
		2632	the message unless the client supports the msg packet.
		2633
		2634	=cut
		2635
		2636	our %CHANNEL = (
		2637	"c/identify" => {
		2638	id => "infobox",
		2639	title => "Identify",
		2640	reply => undef,
		2641	tooltip => "Items recently identified",
		2642	},
		2643	"c/examine" => {
		2644	id => "infobox",
		2645	title => "Examine",
		2646	reply => undef,
		2647	tooltip => "Signs and other items you examined",
		2648	},
		2649	"c/lookat" => {
		2650	id => "infobox",
		2651	title => "Look",
		2652	reply => undef,
		2653	tooltip => "What you saw there",
		2654	},
		2655	);
		2656
		2657	sub cf::client::send_msg {
		2658	my ($self, $channel, $msg, $color, @extra) = @_;
		2659
		2660	$msg = $self->pl->expand_cfpod ($msg);
		2661
		2662	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2663
		2664	# check predefined channels, for the benefit of C
		2665	if ($CHANNEL{$channel}) {
		2666	$channel = $CHANNEL{$channel};
		2667
		2668	$self->ext_msg (channel_info => $channel)
		2669	if $self->can_msg;
		2670
		2671	$channel = $channel->{id};
		2672
		2673	} elsif (ref $channel) {
		2674	# send meta info to client, if not yet sent
		2675	unless (exists $self->{channel}{$channel->{id}}) {
		2676	$self->{channel}{$channel->{id}} = $channel;
		2677	$self->ext_msg (channel_info => $channel)
		2678	if $self->can_msg;
		2679	}
		2680
		2681	$channel = $channel->{id};
		2682	}
		2683
		2684	return unless @extra || length $msg;
		2685
		2686	if ($self->can_msg) {
		2687	# default colour, mask it out
		2688	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2689	if $color & cf::NDI_DEF;
		2690
		2691	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2692	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2693	} else {
		2694	if ($color >= 0) {
		2695	# replace some tags by gcfclient-compatible ones
		2696	for ($msg) {
		2697	1 while
		2698	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2699	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2700	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2701	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2702	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2703	}
		2704
		2705	$color &= cf::NDI_COLOR_MASK;
		2706
		2707	utf8::encode $msg;
		2708
		2709	if (0 && $msg =~ /\[/) {
		2710	# COMMAND/INFO
		2711	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2712	} else {
		2713	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2714	$self->send_packet ("drawinfo $color $msg")
		2715	}
		2716	}
		2717	}
		2718	}
		2719
2017	=item $client->ext_event ($type, %msg)	2720	=item $client->ext_msg ($type, @msg)
2018		2721
2019	Sends an exti event to the client.	2722	Sends an ext event to the client.
2020		2723
2021	=cut	2724	=cut
2022		2725
2023	sub cf::client::ext_event($$%) {	2726	sub cf::client::ext_msg($$@) {
2024	my ($self, $type, %msg) = @_;	2727	my ($self, $type, @msg) = @_;
2025		2728
		2729	if ($self->extcmd == 2) {
		2730	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2731	} elsif ($self->extcmd == 1) { # TODO: remove
2026	$msg{msgtype} = "event_$type";	2732	push @msg, msgtype => "event_$type";
2027	$self->send_packet ("ext " . cf::to_json \%msg);	2733	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2734	}
		2735	}
		2736
		2737	=item $client->ext_reply ($msgid, @msg)
		2738
		2739	Sends an ext reply to the client.
		2740
		2741	=cut
		2742
		2743	sub cf::client::ext_reply($$@) {
		2744	my ($self, $id, @msg) = @_;
		2745
		2746	if ($self->extcmd == 2) {
		2747	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2748	} elsif ($self->extcmd == 1) {
		2749	#TODO: version 1, remove
		2750	unshift @msg, msgtype => "reply", msgid => $id;
		2751	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2752	}
2028	}	2753	}
2029		2754
2030	=item $success = $client->query ($flags, "text", \&cb)	2755	=item $success = $client->query ($flags, "text", \&cb)
2031		2756
2032	Queues a query to the client, calling the given callback with	2757	Queues a query to the client, calling the given callback with
2033	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2758	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2034	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2759	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2035		2760
2036	Queries can fail, so check the return code. Or don't, as queries will become	2761	Queries can fail, so check the return code. Or don't, as queries will
2037	reliable at some point in the future.	2762	become reliable at some point in the future.
2038		2763
2039	=cut	2764	=cut
2040		2765
2041	sub cf::client::query {	2766	sub cf::client::query {
2042	my ($self, $flags, $text, $cb) = @_;	2767	my ($self, $flags, $text, $cb) = @_;
…		…
2050	utf8::encode $text;	2775	utf8::encode $text;
2051	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2776	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2052		2777
2053	$self->send_packet ($self->{query_queue}[0][0])	2778	$self->send_packet ($self->{query_queue}[0][0])
2054	if @{ $self->{query_queue} } == 1;	2779	if @{ $self->{query_queue} } == 1;
		2780
		2781	1
2055	}	2782	}
2056		2783
2057	cf::client->attach (	2784	cf::client->attach (
		2785	on_connect => sub {
		2786	my ($ns) = @_;
		2787
		2788	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2789	},
2058	on_reply => sub {	2790	on_reply => sub {
2059	my ($ns, $msg) = @_;	2791	my ($ns, $msg) = @_;
2060		2792
2061	# this weird shuffling is so that direct followup queries	2793	# this weird shuffling is so that direct followup queries
2062	# get handled first	2794	# get handled first
…		…
2074	} else {	2806	} else {
2075	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2807	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2076	}	2808	}
2077	}	2809	}
2078	},	2810	},
		2811	on_exticmd => sub {
		2812	my ($ns, $buf) = @_;
		2813
		2814	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2815
		2816	if (ref $msg) {
		2817	my ($type, $reply, @payload) =
		2818	"ARRAY" eq ref $msg
		2819	? @$msg
		2820	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2821
		2822	my @reply;
		2823
		2824	if (my $cb = $EXTICMD{$type}) {
		2825	@reply = $cb->($ns, @payload);
		2826	}
		2827
		2828	$ns->ext_reply ($reply, @reply)
		2829	if $reply;
		2830
		2831	} else {
		2832	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2833	}
		2834
		2835	cf::override;
		2836	},
2079	);	2837	);
2080		2838
2081	=item $client->async (\&cb)	2839	=item $client->async (\&cb)
2082		2840
2083	Create a new coroutine, running the specified callback. The coroutine will	2841	Create a new coroutine, running the specified callback. The coroutine will
…		…
2124	our $safe = new Safe "safe";	2882	our $safe = new Safe "safe";
2125	our $safe_hole = new Safe::Hole;	2883	our $safe_hole = new Safe::Hole;
2126		2884
2127	$SIG{FPE} = 'IGNORE';	2885	$SIG{FPE} = 'IGNORE';
2128		2886
2129	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2887	$safe->permit_only (Opcode::opset qw(
		2888	:base_core :base_mem :base_orig :base_math
		2889	grepstart grepwhile mapstart mapwhile
		2890	sort time
		2891	));
2130		2892
2131	# here we export the classes and methods available to script code	2893	# here we export the classes and methods available to script code
2132		2894
2133	=pod	2895	=pod
2134		2896
2135	The following functions and methods are available within a safe environment:	2897	The following functions and methods are available within a safe environment:
2136		2898
2137	cf::object contr pay_amount pay_player map	2899	cf::object
		2900	contr pay_amount pay_player map x y force_find force_add
		2901	insert remove name archname title slaying race decrease_ob_nr
		2902
2138	cf::object::player player	2903	cf::object::player
2139	cf::player peaceful	2904	player
2140	cf::map trigger	2905
		2906	cf::player
		2907	peaceful
		2908
		2909	cf::map
		2910	trigger
2141		2911
2142	=cut	2912	=cut
2143		2913
2144	for (	2914	for (
2145	["cf::object" => qw(contr pay_amount pay_player map)],	2915	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2916	insert remove inv name archname title slaying race
		2917	decrease_ob_nr)],
2146	["cf::object::player" => qw(player)],	2918	["cf::object::player" => qw(player)],
2147	["cf::player" => qw(peaceful)],	2919	["cf::player" => qw(peaceful)],
2148	["cf::map" => qw(trigger)],	2920	["cf::map" => qw(trigger)],
2149	) {	2921	) {
2150	no strict 'refs';	2922	no strict 'refs';
…		…
2221	=back	2993	=back
2222		2994
2223	=cut	2995	=cut
2224		2996
2225	#############################################################################	2997	#############################################################################
2226
2227	=head2 EXTENSION DATABASE SUPPORT
2228
2229	Crossfire maintains a very simple database for extension use. It can
2230	currently store anything that can be serialised using Storable, which
2231	excludes objects.
2232
2233	The parameter C<$family> should best start with the name of the extension
2234	using it, it should be unique.
2235
2236	=over 4
2237
2238	=item $value = cf::db_get $family => $key
2239
2240	Returns a single value from the database.
2241
2242	=item cf::db_put $family => $key => $value
2243
2244	Stores the given C<$value> in the family.
2245
2246	=cut
2247
2248	our $DB;
2249
2250	sub db_init {
2251	unless ($DB) {
2252	$DB = BDB::db_create $DB_ENV;
2253
2254	cf::sync_job {
2255	eval {
2256	$DB->set_flags (BDB::CHKSUM);
2257
2258	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2259	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2260	cf::cleanup "db_open(db): $!" if $!;
2261	};
2262	cf::cleanup "db_open(db): $@" if $@;
2263	};
2264
2265	my $path = cf::localdir . "/database.pst";
2266	if (stat $path) {
2267	cf::sync_job {
2268	my $pst = Storable::retrieve $path;
2269
2270	cf::db_put (board => data => $pst->{board});
2271	cf::db_put (guildrules => data => $pst->{guildrules});
2272	cf::db_put (rent => balance => $pst->{rent}{balance});
2273	BDB::db_env_txn_checkpoint $DB_ENV;
2274
2275	unlink $path;
2276	};
2277	}
2278	}
2279	}
2280
2281	sub db_get($$) {
2282	my $key = "$_[0]/$_[1]";
2283
2284	cf::sync_job {
2285	BDB::db_get $DB, undef, $key, my $data;
2286
2287	$! ? ()
2288	: Compress::LZF::sthaw $data
2289	}
2290	}
2291
2292	sub db_put($$$) {
2293	BDB::dbreq_pri 4;
2294	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2295	}
2296
2297	#############################################################################
2298	# the server's init and main functions	2998	# the server's init and main functions
2299		2999
2300	sub load_facedata {	3000	sub load_facedata($) {
2301	my $path = sprintf "%s/facedata", cf::datadir;	3001	my ($path) = @_;
		3002
		3003	# HACK to clear player env face cache, we need some signal framework
		3004	# for this (global event?)
		3005	%ext::player_env::MUSIC_FACE_CACHE = ();
		3006
		3007	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2302		3008
2303	warn "loading facedata from $path\n";	3009	warn "loading facedata from $path\n";
2304		3010
2305	my $faces;	3011	my $facedata;
2306	0 < aio_load $path, $faces	3012	0 < aio_load $path, $facedata
2307	or die "$path: $!";	3013	or die "$path: $!";
2308		3014
2309	Coro::cede;
2310	$faces = Storable::thaw $faces;	3015	$facedata = Coro::Storable::thaw $facedata;
2311	Coro::cede;
2312		3016
2313	my $meta = delete $faces->{""};
2314	$meta->{version} == 1	3017	$facedata->{version} == 2
2315	or cf::cleanup "$path: version mismatch, cannot proceed.";	3018	or cf::cleanup "$path: version mismatch, cannot proceed.";
2316		3019
		3020	# patch in the exptable
		3021	$facedata->{resource}{"res/exp_table"} = {
		3022	type => FT_RSRC,
		3023	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3024	};
		3025	cf::cede_to_tick;
		3026
		3027	{
		3028	my $faces = $facedata->{faceinfo};
		3029
2317	while (my ($face, $info) = each %$faces) {	3030	while (my ($face, $info) = each %$faces) {
2318	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3031	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2319	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3032	cf::face::set_visibility $idx, $info->{visibility};
		3033	cf::face::set_magicmap $idx, $info->{magicmap};
2320	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3034	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2321	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3035	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2322	Coro::cede;
2323	}
2324		3036
		3037	cf::cede_to_tick;
		3038	}
		3039
2325	while (my ($face, $info) = each %$faces) {	3040	while (my ($face, $info) = each %$faces) {
2326	next unless $info->{smooth};	3041	next unless $info->{smooth};
2327	my $idx = cf::face::find $face	3042	my $idx = cf::face::find $face
2328	or next;	3043	or next;
2329	if (my $smooth = cf::face::find $info->{smooth}) {	3044	if (my $smooth = cf::face::find $info->{smooth}) {
2330	cf::face::set_smooth $idx, $smooth;	3045	cf::face::set_smooth $idx, $smooth;
		3046	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2331	} else {	3047	} else {
2332	warn "smooth face '$info->{smooth}' not found for face '$face'";	3048	warn "smooth face '$info->{smooth}' not found for face '$face'";
2333	}	3049	}
2334	Coro::cede;	3050
		3051	cf::cede_to_tick;
		3052	}
		3053	}
		3054
		3055	{
		3056	my $anims = $facedata->{animinfo};
		3057
		3058	while (my ($anim, $info) = each %$anims) {
		3059	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3060	cf::cede_to_tick;
		3061	}
		3062
		3063	cf::anim::invalidate_all; # d'oh
		3064	}
		3065
		3066	{
		3067	# TODO: for gcfclient pleasure, we should give resources
		3068	# that gcfclient doesn't grok a >10000 face index.
		3069	my $res = $facedata->{resource};
		3070
		3071	my $soundconf = delete $res->{"res/sound.conf"};
		3072
		3073	while (my ($name, $info) = each %$res) {
		3074	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3075	my $data;
		3076
		3077	if ($info->{type} & 1) {
		3078	# prepend meta info
		3079
		3080	my $meta = $enc->encode ({
		3081	name => $name,
		3082	%{ $info->{meta} || {} },
		3083	});
		3084
		3085	$data = pack "(w/a*)*", $meta, $info->{data};
		3086	} else {
		3087	$data = $info->{data};
		3088	}
		3089
		3090	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3091	cf::face::set_type $idx, $info->{type};
		3092
		3093	cf::cede_to_tick;
		3094	}
		3095
		3096	if ($soundconf) {
		3097	$soundconf = $enc->decode (delete $soundconf->{data});
		3098
		3099	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3100	my $sound = $soundconf->{compat}[$_]
		3101	or next;
		3102
		3103	my $face = cf::face::find "sound/$sound->[1]";
		3104	cf::sound::set $sound->[0] => $face;
		3105	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3106	}
		3107
		3108	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3109	my $face = cf::face::find "sound/$v";
		3110	cf::sound::set $k => $face;
		3111	}
		3112	}
2335	}	3113	}
2336		3114
2337	1	3115	1
2338	}	3116	}
2339		3117
		3118	register_exticmd fx_want => sub {
		3119	my ($ns, $want) = @_;
		3120
		3121	while (my ($k, $v) = each %$want) {
		3122	$ns->fx_want ($k, $v);
		3123	}
		3124	};
		3125
		3126	sub reload_regions {
		3127	# HACK to clear player env face cache, we need some signal framework
		3128	# for this (global event?)
		3129	%ext::player_env::MUSIC_FACE_CACHE = ();
		3130
		3131	load_resource_file "$MAPDIR/regions"
		3132	or die "unable to load regions file\n";
		3133
		3134	for (cf::region::list) {
		3135	$_->{match} = qr/$_->{match}/
		3136	if exists $_->{match};
		3137	}
		3138	}
		3139
		3140	sub reload_facedata {
		3141	load_facedata "$DATADIR/facedata"
		3142	or die "unable to load facedata\n";
		3143	}
		3144
		3145	sub reload_archetypes {
		3146	load_resource_file "$DATADIR/archetypes"
		3147	or die "unable to load archetypes\n";
		3148	#d# NEED to laod twice to resolve forward references
		3149	# this really needs to be done in an extra post-pass
		3150	# (which needs to be synchronous, so solve it differently)
		3151	load_resource_file "$DATADIR/archetypes"
		3152	or die "unable to load archetypes\n";
		3153	}
		3154
		3155	sub reload_treasures {
		3156	load_resource_file "$DATADIR/treasures"
		3157	or die "unable to load treasurelists\n";
		3158	}
		3159
2340	sub reload_resources {	3160	sub reload_resources {
2341	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3161	warn "reloading resource files...\n";
2342	or die "unable to load regions file\n";#d#	3162
		3163	reload_regions;
2343	load_facedata	3164	reload_facedata;
2344	or die "unable to load facedata\n";#d#	3165	#reload_archetypes;#d#
		3166	reload_archetypes;
		3167	reload_treasures;
		3168
		3169	warn "finished reloading resource files\n";
2345	}	3170	}
2346		3171
2347	sub init {	3172	sub init {
2348	reload_resources;	3173	reload_resources;
2349	}	3174	}
2350		3175
2351	sub cfg_load {	3176	sub reload_config {
2352	open my $fh, "<:utf8", cf::confdir . "/config"	3177	open my $fh, "<:utf8", "$CONFDIR/config"
2353	or return;	3178	or return;
2354		3179
2355	local $/;	3180	local $/;
2356	*CFG = YAML::Syck::Load <$fh>;	3181	*CFG = YAML::Syck::Load <$fh>;
2357		3182
…		…
2372	sub main {	3197	sub main {
2373	# we must not ever block the main coroutine	3198	# we must not ever block the main coroutine
2374	local $Coro::idle = sub {	3199	local $Coro::idle = sub {
2375	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3200	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2376	(async {	3201	(async {
		3202	$Coro::current->{desc} = "IDLE BUG HANDLER";
2377	Event::one_event;	3203	Event::one_event;
2378	})->prio (Coro::PRIO_MAX);	3204	})->prio (Coro::PRIO_MAX);
2379	};	3205	};
2380		3206
2381	cfg_load;	3207	reload_config;
2382	db_init;	3208	db_init;
2383	load_extensions;	3209	load_extensions;
2384		3210
2385	$TICK_WATCHER->start;	3211	$TICK_WATCHER->start;
2386	Event::loop;	3212	Event::loop;
…		…
2402	},	3228	},
2403	);	3229	);
2404	}	3230	}
2405	}	3231	}
2406		3232
		3233	sub write_runtime {
		3234	my $runtime = "$LOCALDIR/runtime";
		3235
		3236	# first touch the runtime file to show we are still running:
		3237	# the fsync below can take a very very long time.
		3238
		3239	IO::AIO::aio_utime $runtime, undef, undef;
		3240
		3241	my $guard = cf::lock_acquire "write_runtime";
		3242
		3243	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3244	or return;
		3245
		3246	my $value = $cf::RUNTIME + 90 + 10;
		3247	# 10 is the runtime save interval, for a monotonic clock
		3248	# 60 allows for the watchdog to kill the server.
		3249
		3250	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3251	and return;
		3252
		3253	# always fsync - this file is important
		3254	aio_fsync $fh
		3255	and return;
		3256
		3257	# touch it again to show we are up-to-date
		3258	aio_utime $fh, undef, undef;
		3259
		3260	close $fh
		3261	or return;
		3262
		3263	aio_rename "$runtime~", $runtime
		3264	and return;
		3265
		3266	warn "runtime file written.\n";
		3267
		3268	1
		3269	}
		3270
2407	sub emergency_save() {	3271	sub emergency_save() {
2408	my $freeze_guard = cf::freeze_mainloop;	3272	my $freeze_guard = cf::freeze_mainloop;
2409		3273
2410	warn "enter emergency perl save\n";	3274	warn "enter emergency perl save\n";
2411		3275
…		…
2442		3306
2443	warn Carp::longmess "post_cleanup backtrace"	3307	warn Carp::longmess "post_cleanup backtrace"
2444	if $make_core;	3308	if $make_core;
2445	}	3309	}
2446		3310
2447	sub reload() {	3311	sub do_reload_perl() {
2448	# can/must only be called in main	3312	# can/must only be called in main
2449	if ($Coro::current != $Coro::main) {	3313	if ($Coro::current != $Coro::main) {
2450	warn "can only reload from main coroutine";	3314	warn "can only reload from main coroutine";
2451	return;	3315	return;
2452	}	3316	}
…		…
2486	%EXT_CORO = ();	3350	%EXT_CORO = ();
2487		3351
2488	warn "removing commands";	3352	warn "removing commands";
2489	%COMMAND = ();	3353	%COMMAND = ();
2490		3354
2491	warn "removing ext commands";	3355	warn "removing ext/exti commands";
2492	%EXTCMD = ();	3356	%EXTCMD = ();
		3357	%EXTICMD = ();
2493		3358
2494	warn "unloading/nuking all extensions";	3359	warn "unloading/nuking all extensions";
2495	for my $pkg (@EXTS) {	3360	for my $pkg (@EXTS) {
2496	warn "... unloading $pkg";	3361	warn "... unloading $pkg";
2497		3362
…		…
2527	Symbol::delete_package "safe::$_"	3392	Symbol::delete_package "safe::$_"
2528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3393	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2529		3394
2530	warn "unloading cf.pm \"a bit\"";	3395	warn "unloading cf.pm \"a bit\"";
2531	delete $INC{"cf.pm"};	3396	delete $INC{"cf.pm"};
		3397	delete $INC{"cf/pod.pm"};
2532		3398
2533	# don't, removes xs symbols, too,	3399	# don't, removes xs symbols, too,
2534	# and global variables created in xs	3400	# and global variables created in xs
2535	#Symbol::delete_package __PACKAGE__;	3401	#Symbol::delete_package __PACKAGE__;
2536		3402
…		…
2539	warn "reloading cf.pm";	3405	warn "reloading cf.pm";
2540	require cf;	3406	require cf;
2541	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3407	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2542		3408
2543	warn "loading config and database again";	3409	warn "loading config and database again";
2544	cf::cfg_load;	3410	cf::reload_config;
2545		3411
2546	warn "loading extensions";	3412	warn "loading extensions";
2547	cf::load_extensions;	3413	cf::load_extensions;
2548		3414
2549	warn "reattaching attachments to objects/players";	3415	warn "reattaching attachments to objects/players";
…		…
2551	warn "reattaching attachments to maps";	3417	warn "reattaching attachments to maps";
2552	reattach $_ for values %MAP;	3418	reattach $_ for values %MAP;
2553	warn "reattaching attachments to players";	3419	warn "reattaching attachments to players";
2554	reattach $_ for values %PLAYER;	3420	reattach $_ for values %PLAYER;
2555		3421
2556	warn "loading reloadable resources";
2557	reload_resources;
2558
2559	warn "leaving sync_job";	3422	warn "leaving sync_job";
2560		3423
2561	1	3424	1
2562	} or do {	3425	} or do {
2563	warn $@;	3426	warn $@;
…		…
2568	warn "reloaded";	3431	warn "reloaded";
2569	};	3432	};
2570		3433
2571	our $RELOAD_WATCHER; # used only during reload	3434	our $RELOAD_WATCHER; # used only during reload
2572		3435
		3436	sub reload_perl() {
		3437	# doing reload synchronously and two reloads happen back-to-back,
		3438	# coro crashes during coro_state_free->destroy here.
		3439
		3440	$RELOAD_WATCHER ||= Event->timer (
		3441	reentrant => 0,
		3442	after => 0,
		3443	data => WF_AUTOCANCEL,
		3444	cb => sub {
		3445	do_reload_perl;
		3446	undef $RELOAD_WATCHER;
		3447	},
		3448	);
		3449	}
		3450
2573	register_command "reload" => sub {	3451	register_command "reload" => sub {
2574	my ($who, $arg) = @_;	3452	my ($who, $arg) = @_;
2575		3453
2576	if ($who->flag (FLAG_WIZ)) {	3454	if ($who->flag (FLAG_WIZ)) {
2577	$who->message ("reloading server.");	3455	$who->message ("reloading server.");
2578		3456	async {
2579	# doing reload synchronously and two reloads happen back-to-back,	3457	$Coro::current->{desc} = "perl_reload";
2580	# coro crashes during coro_state_free->destroy here.
2581
2582	$RELOAD_WATCHER ||= Event->timer (
2583	reentrant => 0,
2584	after => 0,
2585	data => WF_AUTOCANCEL,
2586	cb => sub {
2587	reload;	3458	reload_perl;
2588	undef $RELOAD_WATCHER;
2589	},
2590	);	3459	};
2591	}	3460	}
2592	};	3461	};
2593		3462
2594	unshift @INC, $LIBDIR;	3463	unshift @INC, $LIBDIR;
2595		3464
2596	my $bug_warning = 0;	3465	my $bug_warning = 0;
		3466
		3467	our @WAIT_FOR_TICK;
		3468	our @WAIT_FOR_TICK_BEGIN;
		3469
		3470	sub wait_for_tick {
		3471	return unless $TICK_WATCHER->is_active;
		3472	return if $Coro::current == $Coro::main;
		3473
		3474	my $signal = new Coro::Signal;
		3475	push @WAIT_FOR_TICK, $signal;
		3476	$signal->wait;
		3477	}
		3478
		3479	sub wait_for_tick_begin {
		3480	return unless $TICK_WATCHER->is_active;
		3481	return if $Coro::current == $Coro::main;
		3482
		3483	my $signal = new Coro::Signal;
		3484	push @WAIT_FOR_TICK_BEGIN, $signal;
		3485	$signal->wait;
		3486	}
2597		3487
2598	$TICK_WATCHER = Event->timer (	3488	$TICK_WATCHER = Event->timer (
2599	reentrant => 0,	3489	reentrant => 0,
2600	parked => 1,	3490	parked => 1,
2601	prio => 0,	3491	prio => 0,
…		…
2606	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2607	unless ++$bug_warning > 10;	3497	unless ++$bug_warning > 10;
2608	return;	3498	return;
2609	}	3499	}
2610		3500
2611	$NOW = Event::time;	3501	$NOW = $tick_start = Event::time;
2612		3502
2613	cf::server_tick; # one server iteration	3503	cf::server_tick; # one server iteration
		3504
2614	$RUNTIME += $TICK;	3505	$RUNTIME += $TICK;
2615	$NEXT_TICK += $TICK;	3506	$NEXT_TICK += $TICK;
2616		3507
2617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3508	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2618	$NEXT_RUNTIME_WRITE = $NOW + 10;	3509	$NEXT_RUNTIME_WRITE = $NOW + 10;
2619	Coro::async_pool {	3510	Coro::async_pool {
		3511	$Coro::current->{desc} = "runtime saver";
2620	write_runtime	3512	write_runtime
2621	or warn "ERROR: unable to write runtime file: $!";	3513	or warn "ERROR: unable to write runtime file: $!";
2622	};	3514	};
2623	}	3515	}
2624		3516
2625	$WAIT_FOR_TICK->broadcast;	3517	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2626	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3518	$sig->send;
		3519	}
		3520	while (my $sig = shift @WAIT_FOR_TICK) {
		3521	$sig->send;
		3522	}
2627		3523
2628	# my $AFTER = Event::time;	3524	$NOW = Event::time;
2629	# warn $AFTER - $NOW;#d#
2630		3525
2631	# if we are delayed by four ticks or more, skip them all	3526	# if we are delayed by four ticks or more, skip them all
2632	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3527	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2633		3528
2634	$TICK_WATCHER->at ($NEXT_TICK);	3529	$TICK_WATCHER->at ($NEXT_TICK);
2635	$TICK_WATCHER->start;	3530	$TICK_WATCHER->start;
		3531
		3532	$LOAD = ($NOW - $tick_start) / $TICK;
		3533	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3534
		3535	_post_tick;
2636	},	3536	},
2637	);	3537	);
2638		3538
2639	{	3539	{
		3540	BDB::min_parallel 8;
2640	BDB::max_poll_time $TICK * 0.1;	3541	BDB::max_poll_time $TICK * 0.1;
2641	$BDB_POLL_WATCHER = Event->io (	3542	$BDB_POLL_WATCHER = Event->io (
2642	reentrant => 0,	3543	reentrant => 0,
2643	fd => BDB::poll_fileno,	3544	fd => BDB::poll_fileno,
2644	poll => 'r',	3545	poll => 'r',
2645	prio => 0,	3546	prio => 0,
2646	data => WF_AUTOCANCEL,	3547	data => WF_AUTOCANCEL,
2647	cb => \&BDB::poll_cb,	3548	cb => \&BDB::poll_cb,
2648	);	3549	);
2649	BDB::min_parallel 8;
2650		3550
2651	BDB::set_sync_prepare {	3551	BDB::set_sync_prepare {
2652	my $status;	3552	my $status;
2653	my $current = $Coro::current;	3553	my $current = $Coro::current;
2654	(	3554	(
…		…
2663	)	3563	)
2664	};	3564	};
2665		3565
2666	unless ($DB_ENV) {	3566	unless ($DB_ENV) {
2667	$DB_ENV = BDB::db_env_create;	3567	$DB_ENV = BDB::db_env_create;
		3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3569	| BDB::LOG_AUTOREMOVE, 1);
		3570	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3571	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2668		3572
2669	cf::sync_job {	3573	cf::sync_job {
2670	eval {	3574	eval {
2671	BDB::db_env_open	3575	BDB::db_env_open
2672	$DB_ENV,	3576	$DB_ENV,
2673	$BDB_ENV_DIR,	3577	$BDBDIR,
2674	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2675	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2676	0666;	3580	0666;
2677		3581
2678	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3582	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2679
2680	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2681	$DB_ENV->set_lk_detect;
2682	};	3583	};
2683		3584
2684	cf::cleanup "db_env_open(db): $@" if $@;	3585	cf::cleanup "db_env_open(db): $@" if $@;
2685	};	3586	};
2686	}	3587	}
		3588
		3589	$BDB_DEADLOCK_WATCHER = Event->timer (
		3590	after => 3,
		3591	interval => 1,
		3592	hard => 1,
		3593	prio => 0,
		3594	data => WF_AUTOCANCEL,
		3595	cb => sub {
		3596	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3597	},
		3598	);
		3599	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3600	after => 11,
		3601	interval => 60,
		3602	hard => 1,
		3603	prio => 0,
		3604	data => WF_AUTOCANCEL,
		3605	cb => sub {
		3606	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3607	},
		3608	);
		3609	$BDB_TRICKLE_WATCHER = Event->timer (
		3610	after => 5,
		3611	interval => 10,
		3612	hard => 1,
		3613	prio => 0,
		3614	data => WF_AUTOCANCEL,
		3615	cb => sub {
		3616	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3617	},
		3618	);
2687	}	3619	}
2688		3620
2689	{	3621	{
2690	IO::AIO::min_parallel 8;	3622	IO::AIO::min_parallel 8;
2691		3623
…		…
2694	$AIO_POLL_WATCHER = Event->io (	3626	$AIO_POLL_WATCHER = Event->io (
2695	reentrant => 0,	3627	reentrant => 0,
2696	data => WF_AUTOCANCEL,	3628	data => WF_AUTOCANCEL,
2697	fd => IO::AIO::poll_fileno,	3629	fd => IO::AIO::poll_fileno,
2698	poll => 'r',	3630	poll => 'r',
2699	prio => 6,	3631	prio => 0,
2700	cb => \&IO::AIO::poll_cb,	3632	cb => \&IO::AIO::poll_cb,
2701	);	3633	);
2702	}	3634	}
2703		3635
		3636	my $_log_backtrace;
		3637
		3638	sub _log_backtrace {
		3639	my ($msg, @addr) = @_;
		3640
		3641	$msg =~ s/\n//;
		3642
		3643	# limit the # of concurrent backtraces
		3644	if ($_log_backtrace < 2) {
		3645	++$_log_backtrace;
		3646	async {
		3647	$Coro::current->{desc} = "abt $msg";
		3648
		3649	my @bt = fork_call {
		3650	@addr = map { sprintf "%x", $_ } @addr;
		3651	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3652	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3653	or die "addr2line: $!";
		3654
		3655	my @funcs;
		3656	my @res = <$fh>;
		3657	chomp for @res;
		3658	while (@res) {
		3659	my ($func, $line) = splice @res, 0, 2, ();
		3660	push @funcs, "[$func] $line";
		3661	}
		3662
		3663	@funcs
		3664	};
		3665
		3666	LOG llevInfo, "[ABT] $msg\n";
		3667	LOG llevInfo, "[ABT] $_\n" for @bt;
		3668	--$_log_backtrace;
		3669	};
		3670	} else {
		3671	LOG llevInfo, "[ABT] $msg\n";
		3672	LOG llevInfo, "[ABT] [suppressed]\n";
		3673	}
		3674	}
		3675
		3676	# load additional modules
		3677	use cf::pod;
		3678
2704	END { cf::emergency_save }	3679	END { cf::emergency_save }
2705		3680
2706	1	3681	1
2707		3682

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