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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.221 by pippijn, Fri Mar 2 13:32:52 2007 UTC vs.
Revision 1.373 by root, Sat Sep 15 15:58:06 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	88	our $DB_ENV;
61		89
62	our %CFG;	90	our %CFG;
63		91
64	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	93	our $RUNTIME;
66		94
67	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		98
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		105
79	binmode STDOUT;	106	binmode STDOUT;
80	binmode STDERR;	107	binmode STDERR;
81		108
82	# read virtual server time, if available	109	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
87	}	114	}
88		115
89	mkdir cf::localdir;	116	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		118
96	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
97		120
98	sub cf::map::normalise;	121	sub cf::map::normalise;
99		122
…		…
110	=item $cf::RUNTIME	133	=item $cf::RUNTIME
111		134
112	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
113	every server tick.	136	every server tick.
114		137
115	=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
116		141
117	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		146
120	=item $cf::NOW	147	=item $cf::NOW
121		148
122	The time of the last (current) server tick.	149	The time of the last (current) server tick.
123		150
124	=item $cf::TICK	151	=item $cf::TICK
125		152
126	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.
127		164
128	=item %cf::CFG	165	=item %cf::CFG
129		166
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	168	from wherever your confdir points to.
132		169
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		171
135	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
136	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
137	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.
138	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.
139		181
140	=back	182	=back
141		183
142	=cut	184	=cut
143		185
144	BEGIN {	186	BEGIN {
145	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	188	my $msg = join "", @_;
147	utf8::encode $msg;
148		189
149	$msg .= "\n"	190	$msg .= "\n"
150	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		194
152	LOG llevError, $msg;	195	LOG llevError, $msg;
153	};	196	};
154	}	197	}
155		198
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		206
163	# 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
164	# within the Safe compartment.	208	# within the Safe compartment.
165	for my $pkg (qw(	209	for my $pkg (qw(
166	cf::global cf::attachable	210	cf::global cf::attachable
…		…
174	}	218	}
175		219
176	$Event::DIED = sub {	220	$Event::DIED = sub {
177	warn "error in event callback: @_";	221	warn "error in event callback: @_";
178	};	222	};
		223
		224	#############################################################################
179		225
180	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
181		227
182	=over 4	228	=over 4
183		229
…		…
202	$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;
203	$d	249	$d
204	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
205	}	251	}
206		252
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
210		254
211	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
212		256
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
221		258
222	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
223		260
224	=cut	261	=cut
225		262
226	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
228	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
230		267
231	=item cf::lock_wait $string	268	=item cf::lock_wait $string
232		269
233	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
234		271
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
240	returned.	277	returned.
241		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
242	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
243	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
244		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
245	=cut	289	=cut
246		290
247	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
248		293
249	sub lock_wait($) {	294	sub lock_wait($) {
250	my ($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#
251		301
252	# wait for lock, if any	302	# wait for lock, if any
253	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	305	Coro::schedule;
…		…
261		311
262	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
263	lock_wait $key;	313	lock_wait $key;
264		314
265	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
266		317
267	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
270	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
271	}	329	}
272		330
273	sub freeze_mainloop {	331	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
275		333
…		…
278	};	336	};
279	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
280	$guard	338	$guard
281	}	339	}
282		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	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
		395	}
		396
283	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
284		398
285	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	400	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287	thing you are allowed to do is call C<prio> on it.	401	thing you are allowed to do is call C<prio> on it.
…		…
290		404
291	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
292		406
293	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
294		408
295	The design of crossfire+ requires that the main coro ($Coro::main) is	409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	410	is always able to handle events or runnable, as Crossfire TRT is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
298		413
299	If it must be done, put the blocking parts into C<sync_job>. This will run	414	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	415	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	416	server will be frozen during this time, so the block should either finish
302	fast or be very important.	417	fast or be very important.
…		…
305		420
306	sub sync_job(&) {	421	sub sync_job(&) {
307	my ($job) = @_;	422	my ($job) = @_;
308		423
309	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
310	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
312		429
313	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
325		442
326	while ($busy) {	443	while ($busy) {
327	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
328	}	445	}
329		446
		447	$time = Event::time - $time;
		448
		449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		451
		452	$tick_start += $time; # do not account sync jobs to server load
		453
330	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
331	} else {	455	} else {
332	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
333		457
334	$job->()	458	$job->()
…		…
353	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
354		478
355	$coro	479	$coro
356	}	480	}
357		481
358	sub write_runtime {	482	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		483
361	my $runtime = cf::localdir . "/runtime";	484	Executes the given code block with the given arguments in a seperate
		485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
362		488
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	=cut
364	or return;
365		490
366	my $value = $cf::RUNTIME + 90 + 10;	491	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	492	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		493
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	494	# we seemingly have to make a local copy of the whole thing,
371	and return;	495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
372		497
373	# always fsync - this file is important	498	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	499	reset_signals;
375	and return;	500	&$cb
		501	}, @args;
376		502
377	close $fh	503	wantarray ? @res : $res[-1]
378	or return;	504	}
379		505
380	aio_rename "$runtime~", $runtime	506	=item $value = cf::db_get $family => $key
381	and return;
382		507
		508	Returns a single value from the environment database.
		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
		533	};
		534	cf::cleanup "db_open(db): $@" if $@;
		535
		536	$db
		537	}
		538
		539	our $DB;
		540
		541	sub db_init {
		542	cf::sync_job {
		543	$DB ||= db_table "db";
		544	};
		545	}
		546
		547	sub db_get($$) {
		548	my $key = "$_[0]/$_[1]";
		549
		550	cf::sync_job {
		551	BDB::db_get $DB, undef, $key, my $data;
		552
		553	$! ? ()
		554	: $data
383	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
		631	}
		632
		633	=item cf::datalog type => key => value, ...
		634
		635	Log a datalog packet of the given type with the given key-value pairs.
		636
		637	=cut
		638
		639	sub datalog($@) {
		640	my ($type, %kv) = @_;
		641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	642	}
385		643
386	=back	644	=back
387		645
388	=cut	646	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
397		655
398	In the following description, CLASS can be any of C<global>, C<object>	656	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	658	Crossfire TRT).
401		659
402	=over 4	660	=over 4
403		661
404	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
405		663
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
569		827
570	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		832
575	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	834	my $pkg = shift @arg;
577		835
578	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
608	}	866	}
609		867
610	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
611	} else {	869	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	871	}
614		872
615	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
616	}	874	}
617		875
…		…
619	if (ref $_[0]) {	877	if (ref $_[0]) {
620	_object_attach @_;	878	_object_attach @_;
621	} else {	879	} else {
622	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
623	}	881	}
		882	_recalc_want;
624	};	883	};
625		884
626	# all those should be optimised	885	# all those should be optimised
627	sub cf::attachable::detach {	886	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
632	reattach ($obj);	891	reattach ($obj);
633	} else {	892	} else {
634	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
635	}	894	}
		895	_recalc_want;
636	};	896	};
637		897
638	sub cf::attachable::attached {	898	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
640		900
…		…
655	";	915	";
656	die if $@;	916	die if $@;
657	}	917	}
658		918
659	our $override;	919	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		921
662	sub override {	922	sub override {
663	$override = 1;	923	$override = 1;
664	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
665	}	925	}
666		926
667	sub do_invoke {	927	sub do_invoke {
668	my $event = shift;	928	my $event = shift;
669	my $callbacks = shift;	929	my $callbacks = shift;
670		930
671	@invoke_results = ();	931	@INVOKE_RESULTS = ();
672		932
673	local $override;	933	local $override;
674		934
675	for (@$callbacks) {	935	for (@$callbacks) {
676	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
693		953
694	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
695		955
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	957	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		959
700	=back	960	=back
701		961
702	=cut	962	=cut
703		963
704	#############################################################################	964	#############################################################################
705	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
706		977
707	sub reattach {	978	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	980	my ($obj) = @_;
710		981
…		…
757	sub object_freezer_save {	1028	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
759		1030
760	sync_job {	1031	sync_job {
761	if (length $$rdata) {	1032	if (length $$rdata) {
		1033	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1034	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1035	$decname, length $$rdata, scalar @$objs;
764		1036
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1037	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1038	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1039	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1040	aio_fsync $fh if $cf::USE_FSYNC;
…		…
787	}	1059	}
788	} else {	1060	} else {
789	aio_unlink $filename;	1061	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1062	aio_unlink "$filename.pst";
791	}	1063	}
792	}	1064	};
793	}	1065	}
794		1066
795	sub object_freezer_as_string {	1067	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1068	my ($rdata, $objs) = @_;
797		1069
…		…
809	or return;	1081	or return;
810		1082
811	unless (aio_stat "$filename.pst") {	1083	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1084	(aio_load "$filename.pst", $av) >= 0
813	or return;	1085	or return;
		1086
814	$av = eval { (Storable::thaw $av)->{objs} };	1087	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1088	}
816		1089
		1090	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1091	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1092	$decname, length $data, scalar @{$av || []};
		1093
819	return ($data, $av);	1094	($data, $av)
820	}	1095	}
		1096
		1097	=head2 COMMAND CALLBACKS
		1098
		1099	=over 4
		1100
		1101	=cut
821		1102
822	#############################################################################	1103	#############################################################################
823	# command handling &c	1104	# command handling &c
824		1105
825	=item cf::register_command $name => \&callback($ob,$args);	1106	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1119	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1120	}
840		1121
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1122	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1123
843	Register a callbackf ro execution when the client sends an extcmd packet.	1124	Register a callback for execution when the client sends an (synchronous)
		1125	extcmd packet. Ext commands will be processed in the order they are
		1126	received by the server, like other user commands. The first argument is
		1127	the logged-in player. Ext commands can only be processed after a player
		1128	has logged in successfully.
844		1129
845	If the callback returns something, it is sent back as if reply was being	1130	If the callback returns something, it is sent back as if reply was being
846	called.	1131	called.
847		1132
		1133	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1134
		1135	Register a callback for execution when the client sends an (asynchronous)
		1136	exticmd packet. Exti commands are processed by the server as soon as they
		1137	are received, i.e. out of order w.r.t. other commands. The first argument
		1138	is a client socket. Exti commands can be received anytime, even before
		1139	log-in.
		1140
		1141	If the callback returns something, it is sent back as if reply was being
		1142	called.
		1143
848	=cut	1144	=cut
849		1145
850	sub register_extcmd {	1146	sub register_extcmd {
851	my ($name, $cb) = @_;	1147	my ($name, $cb) = @_;
852		1148
853	$EXTCMD{$name} = $cb;	1149	$EXTCMD{$name} = $cb;
		1150	}
		1151
		1152	sub register_exticmd {
		1153	my ($name, $cb) = @_;
		1154
		1155	$EXTICMD{$name} = $cb;
854	}	1156	}
855		1157
856	cf::player->attach (	1158	cf::player->attach (
857	on_command => sub {	1159	on_command => sub {
858	my ($pl, $name, $params) = @_;	1160	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1169	cf::override;
868	},	1170	},
869	on_extcmd => sub {	1171	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1172	my ($pl, $buf) = @_;
871		1173
872	my $msg = eval { from_json $buf };	1174	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1175
874	if (ref $msg) {	1176	if (ref $msg) {
		1177	my ($type, $reply, @payload) =
		1178	"ARRAY" eq ref $msg
		1179	? @$msg
		1180	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1181
		1182	my @reply;
		1183
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1184	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1185	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1186	}
		1187
		1188	$pl->ext_reply ($reply, @reply)
		1189	if $reply;
		1190
880	} else {	1191	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1193	}
883		1194
884	cf::override;	1195	cf::override;
885	},	1196	},
886	);	1197	);
887		1198
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
923	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1204	next unless -r $path;
925	eval {	1205
926	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
927	1	1263	}
928	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
929	}	1269	};
930	}	1270	}
931		1271
932	#############################################################################	1272	#############################################################################
933		1273
		1274	=back
		1275
934	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
935		1277
936	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
937		1279
938	=cut	1280	=cut
…		…
943		1285
944	=head3 cf::player	1286	=head3 cf::player
945		1287
946	=over 4	1288	=over 4
947		1289
		1290	=item cf::player::num_playing
		1291
		1292	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1293
		1294	=cut
		1295
		1296	sub num_playing {
		1297	scalar grep
		1298	$_->ob->map
		1299	&& !$_->hidden
		1300	&& !$_->ob->flag (cf::FLAG_WIZ),
		1301	cf::player::list
		1302	}
		1303
948	=item cf::player::find $login	1304	=item cf::player::find $login
949		1305
950	Returns the given player object, loading it if necessary (might block).	1306	Returns the given player object, loading it if necessary (might block).
951		1307
952	=cut	1308	=cut
953		1309
954	sub playerdir($) {	1310	sub playerdir($) {
955	cf::localdir	1311	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1312	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1313	}
961		1314
962	sub path($) {	1315	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1316	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1317
965	(playerdir $login) . "/$login.pl"	1318	(playerdir $login) . "/playerdata"
966	}	1319	}
967		1320
968	sub find_active($) {	1321	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1322	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1323	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1336	my $login = $_[0];
984		1337
985	my $guard = cf::lock_acquire "user_find:$login";	1338	my $guard = cf::lock_acquire "user_find:$login";
986		1339
987	$cf::PLAYER{$_[0]} || do {	1340	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1341	# rename old playerfiles to new ones
		1342	#TODO: remove when no longer required
		1343	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1344	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1345	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1346	aio_unlink +(playerdir $login) . "/$login.pl";
		1347
		1348	my $f = new_from_file cf::object::thawer path $login
989	or return;	1349	or return;
		1350
		1351	my $pl = cf::player::load_pl $f
		1352	or return;
		1353	local $cf::PLAYER_LOADING{$login} = $pl;
		1354	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1355	$cf::PLAYER{$login} = $pl
991	}	1356	}
992	}	1357	}
993	}	1358	}
994		1359
…		…
1004		1369
1005	aio_mkdir playerdir $pl, 0770;	1370	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1371	$pl->{last_save} = $cf::RUNTIME;
1007		1372
1008	$pl->save_pl ($path);	1373	$pl->save_pl ($path);
1009	Coro::cede;	1374	cf::cede_to_tick;
1010	}	1375	}
1011		1376
1012	sub new($) {	1377	sub new($) {
1013	my ($login) = @_;	1378	my ($login) = @_;
1014		1379
…		…
1018	$self->{deny_save} = 1;	1383	$self->{deny_save} = 1;
1019		1384
1020	$cf::PLAYER{$login} = $self;	1385	$cf::PLAYER{$login} = $self;
1021		1386
1022	$self	1387	$self
		1388	}
		1389
		1390	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1391
		1392	=cut
		1393
		1394	sub send_msg {
		1395	my $ns = shift->ns
		1396	or return;
		1397	$ns->send_msg (@_);
1023	}	1398	}
1024		1399
1025	=item $pl->quit_character	1400	=item $pl->quit_character
1026		1401
1027	Nukes the player without looking back. If logged in, the connection will	1402	Nukes the player without looking back. If logged in, the connection will
…		…
1076	while and may block, so not sync_job-capable, ever.	1451	while and may block, so not sync_job-capable, ever.
1077		1452
1078	=cut	1453	=cut
1079		1454
1080	sub list_logins {	1455	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1456	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1457	or return [];
1083		1458
1084	my @logins;	1459	my @logins;
1085		1460
1086	for my $login (@$dirs) {	1461	for my $login (@$dirs) {
		1462	my $path = path $login;
		1463
		1464	# a .pst is a dead give-away for a valid player
		1465	unless (-e "$path.pst") {
1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1466	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1088	aio_read $fh, 0, 512, my $buf, 0 or next;	1467	aio_read $fh, 0, 512, my $buf, 0 or next;
1089	$buf !~ /^password -------------$/m or next; # official not-valid tag	1468	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1469	}
1090		1470
1091	utf8::decode $login;	1471	utf8::decode $login;
1092	push @logins, $login;	1472	push @logins, $login;
1093	}	1473	}
1094		1474
…		…
1121	}	1501	}
1122		1502
1123	\@paths	1503	\@paths
1124	}	1504	}
1125		1505
		1506	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1507
		1508	Expand crossfire pod fragments into protocol xml.
		1509
		1510	=cut
		1511
		1512	sub expand_cfpod {
		1513	((my $self), (local $_)) = @_;
		1514
		1515	# escape & and <
		1516	s/&/&amp;/g;
		1517	s/(?<![BIUGHT])</&lt;/g;
		1518
		1519	# this is buggy, it needs to properly take care of nested <'s
		1520
		1521	1 while
		1522	# replace B<>, I<>, U<> etc.
		1523	s/B<([^\>]*)>/<b>$1<\/b>/
		1524	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1525	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1526	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1527	# replace G<male|female> tags
		1528	|| s{G<([^>|]*)\|([^>]*)>}{
		1529	$self->gender ? $2 : $1
		1530	}ge
		1531	# replace H<hint text>
		1532	|| s{H<([^\>]*)>}
		1533	{
		1534	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1535	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1536	"")
		1537	[$self->{hintmode}]
		1538	}ge;
		1539
		1540	# create single paragraphs (very hackish)
		1541	s/(?<=\S)\n(?=\w)/ /g;
		1542
		1543	# compress some whitespace
		1544	s/\s+\n/\n/g; # ws line-ends
		1545	s/\n\n+/\n/g; # double lines
		1546	s/^\n+//; # beginning lines
		1547	s/\n+$//; # ending lines
		1548
		1549	$_
		1550	}
		1551
		1552	sub hintmode {
		1553	$_[0]{hintmode} = $_[1] if @_ > 1;
		1554	$_[0]{hintmode}
		1555	}
		1556
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1557	=item $player->ext_reply ($msgid, @msg)
1127		1558
1128	Sends an ext reply to the player.	1559	Sends an ext reply to the player.
1129		1560
1130	=cut	1561	=cut
1131		1562
1132	sub ext_reply($$$%) {	1563	sub ext_reply($$@) {
1133	my ($self, $id, %msg) = @_;	1564	my ($self, $id, @msg) = @_;
1134		1565
1135	$msg{msgid} = $id;	1566	$self->ns->ext_reply ($id, @msg)
1136
1137	$self->send ("ext " . cf::to_json \%msg);
1138	}	1567	}
1139		1568
1140	package cf;	1569	=item $player->ext_msg ($type, @msg)
		1570
		1571	Sends an ext event to the client.
		1572
		1573	=cut
		1574
		1575	sub ext_msg($$@) {
		1576	my ($self, $type, @msg) = @_;
		1577
		1578	$self->ns->ext_msg ($type, @msg);
		1579	}
		1580
		1581	=head3 cf::region
		1582
		1583	=over 4
		1584
		1585	=cut
		1586
		1587	package cf::region;
		1588
		1589	=item cf::region::find_by_path $path
		1590
		1591	Tries to decuce the likely region for a map knowing only its path.
		1592
		1593	=cut
		1594
		1595	sub find_by_path($) {
		1596	my ($path) = @_;
		1597
		1598	my ($match, $specificity);
		1599
		1600	for my $region (list) {
		1601	if ($region->{match} && $path =~ $region->{match}) {
		1602	($match, $specificity) = ($region, $region->specificity)
		1603	if $region->specificity > $specificity;
		1604	}
		1605	}
		1606
		1607	$match
		1608	}
1141		1609
1142	=back	1610	=back
1143
1144		1611
1145	=head3 cf::map	1612	=head3 cf::map
1146		1613
1147	=over 4	1614	=over 4
1148		1615
…		…
1203	my ($self, $merge) = @_;	1670	my ($self, $merge) = @_;
1204		1671
1205	# we have to keep some variables in memory intact	1672	# we have to keep some variables in memory intact
1206	local $self->{path};	1673	local $self->{path};
1207	local $self->{load_path};	1674	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		1675
1211	$self->SUPER::thawer_merge ($merge);	1676	$self->SUPER::thawer_merge ($merge);
1212	}	1677	}
1213		1678
1214	sub normalise {	1679	sub normalise {
…		…
1261	$self->init; # pass $1 etc.	1726	$self->init; # pass $1 etc.
1262	return $self;	1727	return $self;
1263	}	1728	}
1264	}	1729	}
1265		1730
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	1731	Carp::cluck "unable to resolve path '$path' (base '$base').";
1267	()	1732	()
1268	}	1733	}
1269		1734
1270	sub init {	1735	sub init {
1271	my ($self) = @_;	1736	my ($self) = @_;
…		…
1286		1751
1287	# the original (read-only) location	1752	# the original (read-only) location
1288	sub load_path {	1753	sub load_path {
1289	my ($self) = @_;	1754	my ($self) = @_;
1290		1755
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1756	"$MAPDIR/$self->{path}.map"
1292	}	1757	}
1293		1758
1294	# the temporary/swap location	1759	# the temporary/swap location
1295	sub save_path {	1760	sub save_path {
1296	my ($self) = @_;	1761	my ($self) = @_;
1297		1762
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1763	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1764	"$TMPDIR/$path.map"
1300	}	1765	}
1301		1766
1302	# the unique path, undef == no special unique path	1767	# the unique path, undef == no special unique path
1303	sub uniq_path {	1768	sub uniq_path {
1304	my ($self) = @_;	1769	my ($self) = @_;
1305		1770
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1772	"$UNIQUEDIR/$path"
1308	}	1773	}
1309		1774
1310	# and all this just because we cannot iterate over	1775	# and all this just because we cannot iterate over
1311	# all maps in C++...	1776	# all maps in C++...
1312	sub change_all_map_light {	1777	sub change_all_map_light {
…		…
1314		1779
1315	$_->change_map_light ($change)	1780	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1781	for grep $_->outdoor, values %cf::MAP;
1317	}	1782	}
1318		1783
		1784	sub decay_objects {
		1785	my ($self) = @_;
		1786
		1787	return if $self->{deny_reset};
		1788
		1789	$self->do_decay_objects;
		1790	}
		1791
1319	sub unlink_save {	1792	sub unlink_save {
1320	my ($self) = @_;	1793	my ($self) = @_;
1321		1794
1322	utf8::encode (my $save = $self->save_path);	1795	utf8::encode (my $save = $self->save_path);
1323	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1796	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1326		1799
1327	sub load_header_from($) {	1800	sub load_header_from($) {
1328	my ($self, $path) = @_;	1801	my ($self, $path) = @_;
1329		1802
1330	utf8::encode $path;	1803	utf8::encode $path;
1331	#aio_open $path, O_RDONLY, 0	1804	my $f = new_from_file cf::object::thawer $path
1332	# or return;
1333
1334	$self->_load_header ($path)
1335	or return;	1805	or return;
		1806
		1807	$self->_load_header ($f)
		1808	or return;
		1809
		1810	local $MAP_LOADING{$self->{path}} = $self;
		1811	$f->resolve_delayed_derefs;
1336		1812
1337	$self->{load_path} = $path;	1813	$self->{load_path} = $path;
1338		1814
1339	1	1815	1
1340	}	1816	}
…		…
1379	$self->load_header_orig	1855	$self->load_header_orig
1380	or return;	1856	or return;
1381	$self->prepare_orig;	1857	$self->prepare_orig;
1382	}	1858	}
1383		1859
		1860	$self->{deny_reset} = 1
		1861	if $self->no_reset;
		1862
		1863	$self->default_region (cf::region::find_by_path $self->{path})
		1864	unless $self->default_region;
		1865
1384	1	1866	1
1385	}	1867	}
1386		1868
1387	sub find;	1869	sub find;
1388	sub find {	1870	sub find {
1389	my ($path, $origin) = @_;	1871	my ($path, $origin) = @_;
1390		1872
1391	$path = normalise $path, $origin && $origin->path;	1873	$path = normalise $path, $origin && $origin->path;
1392		1874
		1875	cf::lock_wait "map_data:$path";#d#remove
1393	cf::lock_wait "map_find:$path";	1876	cf::lock_wait "map_find:$path";
1394		1877
1395	$cf::MAP{$path} || do {	1878	$cf::MAP{$path} || do {
1396	my $guard = cf::lock_acquire "map_find:$path";	1879	my $guard1 = cf::lock_acquire "map_find:$path";
		1880	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1881
1397	my $map = new_from_path cf::map $path	1882	my $map = new_from_path cf::map $path
1398	or return;	1883	or return;
1399		1884
1400	$map->{last_save} = $cf::RUNTIME;	1885	$map->{last_save} = $cf::RUNTIME;
1401		1886
1402	$map->load_header	1887	$map->load_header
1403	or return;	1888	or return;
1404		1889
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1890	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	1891	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	1892	#$cf::WAIT_FOR_TICK->wait;
		1893	undef $guard1;
		1894	undef $guard2;
1408	$map->reset;	1895	$map->reset;
1409	undef $guard;
1410	return find $path;	1896	return find $path;
1411	}	1897	}
1412		1898
1413	$cf::MAP{$path} = $map	1899	$cf::MAP{$path} = $map
1414	}	1900	}
…		…
1421	my ($self) = @_;	1907	my ($self) = @_;
1422		1908
1423	local $self->{deny_reset} = 1; # loading can take a long time	1909	local $self->{deny_reset} = 1; # loading can take a long time
1424		1910
1425	my $path = $self->{path};	1911	my $path = $self->{path};
		1912
		1913	{
1426	my $guard = cf::lock_acquire "map_load:$path";	1914	my $guard = cf::lock_acquire "map_data:$path";
1427		1915
		1916	return unless $self->valid;
1428	return if $self->in_memory != cf::MAP_SWAPPED;	1917	return unless $self->in_memory == cf::MAP_SWAPPED;
1429		1918
1430	$self->in_memory (cf::MAP_LOADING);	1919	$self->in_memory (cf::MAP_LOADING);
1431		1920
1432	$self->alloc;	1921	$self->alloc;
1433		1922
1434	$self->pre_load;	1923	$self->pre_load;
		1924	cf::cede_to_tick;
1435		1925
1436	$self->_load_objects ($self->{load_path}, 1)	1926	my $f = new_from_file cf::object::thawer $self->{load_path};
		1927	$f->skip_block;
		1928	$self->_load_objects ($f)
1437	or return;	1929	or return;
1438		1930
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1931	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1440	if delete $self->{load_original};	1932	if delete $self->{load_original};
1441		1933
1442	if (my $uniq = $self->uniq_path) {	1934	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;	1935	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {	1936	unless (aio_stat $uniq) {
		1937	if (my $f = new_from_file cf::object::thawer $uniq) {
1445	$self->clear_unique_items;	1938	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);	1939	$self->_load_objects ($f);
		1940	$f->resolve_delayed_derefs;
		1941	}
1447	}	1942	}
1448	}	1943	}
1449		1944
1450	Coro::cede;	1945	$f->resolve_delayed_derefs;
1451		1946
		1947	cf::cede_to_tick;
1452	# now do the right thing for maps	1948	# now do the right thing for maps
1453	$self->link_multipart_objects;	1949	$self->link_multipart_objects;
1454
1455	unless ($self->{deny_activate}) {
1456	$self->decay_objects;
1457	$self->fix_auto_apply;
1458	$self->update_buttons;
1459	Coro::cede;
1460	$self->set_darkness_map;
1461	$self->difficulty ($self->estimate_difficulty)	1950	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	1951	unless $self->difficulty;
1463	Coro::cede;	1952	cf::cede_to_tick;
		1953
		1954	unless ($self->{deny_activate}) {
		1955	$self->decay_objects;
		1956	$self->fix_auto_apply;
		1957	$self->update_buttons;
		1958	cf::cede_to_tick;
		1959	$self->set_darkness_map;
		1960	cf::cede_to_tick;
1464	$self->activate;	1961	$self->activate;
		1962	}
		1963
		1964	$self->{last_save} = $cf::RUNTIME;
		1965	$self->last_access ($cf::RUNTIME);
		1966
		1967	$self->in_memory (cf::MAP_IN_MEMORY);
1465	}	1968	}
1466		1969
1467	$self->post_load;	1970	$self->post_load;
1468
1469	$self->in_memory (cf::MAP_IN_MEMORY);
1470	}	1971	}
1471		1972
1472	sub customise_for {	1973	sub customise_for {
1473	my ($self, $ob) = @_;	1974	my ($self, $ob) = @_;
1474		1975
1475	return find "~" . $ob->name . "/" . $self->{path}	1976	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	1977	if $self->per_player;
1477		1978
		1979	# return find "?party/" . $ob->name . "/" . $self->{path}
		1980	# if $self->per_party;
		1981
1478	$self	1982	$self
1479	}	1983	}
1480		1984
1481	# find and load all maps in the 3x3 area around a map	1985	# find and load all maps in the 3x3 area around a map
1482	sub load_diag {	1986	sub load_neighbours {
1483	my ($map) = @_;	1987	my ($map) = @_;
1484		1988
1485	my @diag; # diagonal neighbours	1989	my @neigh; # diagonal neighbours
1486		1990
1487	for (0 .. 3) {	1991	for (0 .. 3) {
1488	my $neigh = $map->tile_path ($_)	1992	my $neigh = $map->tile_path ($_)
1489	or next;	1993	or next;
1490	$neigh = find $neigh, $map	1994	$neigh = find $neigh, $map
1491	or next;	1995	or next;
1492	$neigh->load;	1996	$neigh->load;
1493		1997
		1998	push @neigh,
1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1999	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2000	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1496	}	2001	}
1497		2002
1498	for (@diag) {	2003	for (grep defined $_->[0], @neigh) {
		2004	my ($path, $origin) = @$_;
1499	my $neigh = find @$_	2005	my $neigh = find $path, $origin
1500	or next;	2006	or next;
1501	$neigh->load;	2007	$neigh->load;
1502	}	2008	}
1503	}	2009	}
1504		2010
…		…
1509	}	2015	}
1510		2016
1511	sub do_load_sync {	2017	sub do_load_sync {
1512	my ($map) = @_;	2018	my ($map) = @_;
1513		2019
		2020	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2021	if $Coro::current == $Coro::main;
		2022
1514	cf::sync_job { $map->load };	2023	cf::sync_job { $map->load };
1515	}	2024	}
1516		2025
1517	our %MAP_PREFETCH;	2026	our %MAP_PREFETCH;
1518	our $MAP_PREFETCHER = undef;	2027	our $MAP_PREFETCHER = undef;
1519		2028
1520	sub find_async {	2029	sub find_async {
1521	my ($path, $origin) = @_;	2030	my ($path, $origin, $load) = @_;
1522		2031
1523	$path = normalise $path, $origin && $origin->{path};	2032	$path = normalise $path, $origin && $origin->{path};
1524		2033
1525	if (my $map = $cf::MAP{$path}) {	2034	if (my $map = $cf::MAP{$path}) {
1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2035	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1527	}	2036	}
1528		2037
1529	undef $MAP_PREFETCH{$path};	2038	$MAP_PREFETCH{$path} |= $load;
		2039
1530	$MAP_PREFETCHER ||= cf::async {	2040	$MAP_PREFETCHER ||= cf::async {
1531	while (%MAP_PREFETCH) {	2041	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	2042	while (my ($k, $v) = each %MAP_PREFETCH) {
1533	my $map = find $path	2043	if (my $map = find $k) {
1534	or next;
1535	$map->load;	2044	$map->load if $v;
		2045	}
1536		2046
1537	delete $MAP_PREFETCH{$path};	2047	delete $MAP_PREFETCH{$k};
1538	}	2048	}
1539	}	2049	}
1540	undef $MAP_PREFETCHER;	2050	undef $MAP_PREFETCHER;
1541	};	2051	};
1542	$MAP_PREFETCHER->prio (6);	2052	$MAP_PREFETCHER->prio (6);
…		…
1545	}	2055	}
1546		2056
1547	sub save {	2057	sub save {
1548	my ($self) = @_;	2058	my ($self) = @_;
1549		2059
1550	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1551		2061
1552	$self->{last_save} = $cf::RUNTIME;	2062	$self->{last_save} = $cf::RUNTIME;
1553		2063
1554	return unless $self->dirty;	2064	return unless $self->dirty;
1555		2065
…		…
1578	my ($self) = @_;	2088	my ($self) = @_;
1579		2089
1580	# save first because save cedes	2090	# save first because save cedes
1581	$self->save;	2091	$self->save;
1582		2092
1583	my $lock = cf::lock_acquire "map_data:" . $self->path;	2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
1584		2094
1585	return if $self->players;	2095	return if $self->players;
1586	return if $self->in_memory != cf::MAP_IN_MEMORY;	2096	return if $self->in_memory != cf::MAP_IN_MEMORY;
1587	return if $self->{deny_save};	2097	return if $self->{deny_save};
1588		2098
		2099	$self->in_memory (cf::MAP_SWAPPED);
		2100
		2101	$self->deactivate;
		2102	$_->clear_links_to ($self) for values %cf::MAP;
1589	$self->clear;	2103	$self->clear;
1590	$self->in_memory (cf::MAP_SWAPPED);
1591	}	2104	}
1592		2105
1593	sub reset_at {	2106	sub reset_at {
1594	my ($self) = @_;	2107	my ($self) = @_;
1595		2108
1596	# TODO: safety, remove and allow resettable per-player maps	2109	# TODO: safety, remove and allow resettable per-player maps
1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1598	return 1e99 if $self->{deny_reset};	2110	return 1e99 if $self->{deny_reset};
1599		2111
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2112	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2113	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602		2114
…		…
1613	my ($self) = @_;	2125	my ($self) = @_;
1614		2126
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2127	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2128
1617	return if $self->players;	2129	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2130
1620	warn "resetting map ", $self->path;#d#	2131	warn "resetting map ", $self->path;
1621		2132
1622	$self->in_memory (cf::MAP_SWAPPED);	2133	$self->in_memory (cf::MAP_SWAPPED);
1623		2134
1624	# need to save uniques path	2135	# need to save uniques path
1625	unless ($self->{deny_save}) {	2136	unless ($self->{deny_save}) {
…		…
1629	if $uniq;	2140	if $uniq;
1630	}	2141	}
1631		2142
1632	delete $cf::MAP{$self->path};	2143	delete $cf::MAP{$self->path};
1633		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1634	$self->clear;	2147	$self->clear;
1635
1636	$_->clear_links_to ($self) for values %cf::MAP;
1637		2148
1638	$self->unlink_save;	2149	$self->unlink_save;
1639	$self->destroy;	2150	$self->destroy;
1640	}	2151	}
1641		2152
1642	my $nuke_counter = "aaaa";	2153	my $nuke_counter = "aaaa";
1643		2154
1644	sub nuke {	2155	sub nuke {
1645	my ($self) = @_;	2156	my ($self) = @_;
1646		2157
		2158	{
		2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2160
1647	delete $cf::MAP{$self->path};	2161	delete $cf::MAP{$self->path};
1648		2162
1649	$self->unlink_save;	2163	$self->unlink_save;
1650		2164
1651	bless $self, "cf::map";	2165	bless $self, "cf::map";
1652	delete $self->{deny_reset};	2166	delete $self->{deny_reset};
1653	$self->{deny_save} = 1;	2167	$self->{deny_save} = 1;
1654	$self->reset_timeout (1);	2168	$self->reset_timeout (1);
1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2169	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656		2170
1657	$cf::MAP{$self->path} = $self;	2171	$cf::MAP{$self->path} = $self;
		2172	}
1658		2173
1659	$self->reset; # polite request, might not happen	2174	$self->reset; # polite request, might not happen
		2175	}
		2176
		2177	=item $maps = cf::map::tmp_maps
		2178
		2179	Returns an arrayref with all map paths of currently instantiated and saved
		2180	maps. May block.
		2181
		2182	=cut
		2183
		2184	sub tmp_maps() {
		2185	[
		2186	map {
		2187	utf8::decode $_;
		2188	/\.map$/
		2189	? normalise $_
		2190	: ()
		2191	} @{ aio_readdir $TMPDIR or [] }
		2192	]
		2193	}
		2194
		2195	=item $maps = cf::map::random_maps
		2196
		2197	Returns an arrayref with all map paths of currently instantiated and saved
		2198	random maps. May block.
		2199
		2200	=cut
		2201
		2202	sub random_maps() {
		2203	[
		2204	map {
		2205	utf8::decode $_;
		2206	/\.map$/
		2207	? normalise "?random/$_"
		2208	: ()
		2209	} @{ aio_readdir $RANDOMDIR or [] }
		2210	]
1660	}	2211	}
1661		2212
1662	=item cf::map::unique_maps	2213	=item cf::map::unique_maps
1663		2214
1664	Returns an arrayref of paths of all shared maps that have	2215	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2216	instantiated unique items. May block.
1666		2217
1667	=cut	2218	=cut
1668		2219
1669	sub unique_maps() {	2220	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2221	[
1671	or return;	2222	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2223	utf8::decode $_;
1677	next if /\.pst$/;	2224	/\.map$/
1678	next unless /^$PATH_SEP/o;	2225	? normalise $_
1679		2226	: ()
1680	push @paths, cf::map::normalise $_;	2227	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2228	]
1682
1683	\@paths
1684	}	2229	}
1685		2230
1686	package cf;	2231	package cf;
1687		2232
1688	=back	2233	=back
…		…
1706	map { $_, inv_recursive_ $_->inv } @_	2251	map { $_, inv_recursive_ $_->inv } @_
1707	}	2252	}
1708		2253
1709	sub inv_recursive {	2254	sub inv_recursive {
1710	inv_recursive_ inv $_[0]	2255	inv_recursive_ inv $_[0]
		2256	}
		2257
		2258	=item $ref = $ob->ref
		2259
		2260	creates and returns a persistent reference to an objetc that can be stored as a string.
		2261
		2262	=item $ob = cf::object::deref ($refstring)
		2263
		2264	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2265	even if the object actually exists. May block.
		2266
		2267	=cut
		2268
		2269	sub deref {
		2270	my ($ref) = @_;
		2271
		2272	# temporary compatibility#TODO#remove
		2273	$ref =~ s{^<}{player/<};
		2274
		2275	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2276	my ($uuid, $name) = ($1, $2);
		2277	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2278	or return;
		2279	$pl->ob->uuid eq $uuid
		2280	or return;
		2281
		2282	$pl->ob
		2283	} else {
		2284	warn "$ref: cannot resolve object reference\n";
		2285	undef
		2286	}
1711	}	2287	}
1712		2288
1713	package cf;	2289	package cf;
1714		2290
1715	=back	2291	=back
…		…
1734		2310
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2311	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2312
1737	if ($self->{record_replies}) {	2313	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2314	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2315
1739	} else {	2316	} else {
		2317	my $pl = $self->contr;
		2318
		2319	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2320	my $dialog = $pl->{npc_dialog};
		2321	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2322
		2323	} else {
1740	$msg = $npc->name . " says: $msg" if $npc;	2324	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2325	$self->message ($msg, $flags);
		2326	}
1742	}	2327	}
		2328	}
		2329
		2330	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2331
		2332	=cut
		2333
		2334	sub cf::object::send_msg {
		2335	my $pl = shift->contr
		2336	or return;
		2337	$pl->send_msg (@_);
1743	}	2338	}
1744		2339
1745	=item $player_object->may ("access")	2340	=item $player_object->may ("access")
1746		2341
1747	Returns wether the given player is authorized to access resource "access"	2342	Returns wether the given player is authorized to access resource "access"
…		…
1794	$self->deactivate_recursive;	2389	$self->deactivate_recursive;
1795		2390
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2391	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2392
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2393	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2394	if $self->map && $self->map->{path} ne "{link}";
1800		2395
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2396	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1802	}	2397	}
1803		2398
1804	sub cf::object::player::leave_link {	2399	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2400	my ($self, $map, $x, $y) = @_;
		2401
		2402	return unless $self->contr->active;
1806		2403
1807	my $link_pos = delete $self->{_link_pos};	2404	my $link_pos = delete $self->{_link_pos};
1808		2405
1809	unless ($map) {	2406	unless ($map) {
1810	# restore original map position	2407	# restore original map position
…		…
1824	# use -1 or undef as default coordinates, not 0, 0	2421	# use -1 or undef as default coordinates, not 0, 0
1825	($x, $y) = ($map->enter_x, $map->enter_y)	2422	($x, $y) = ($map->enter_x, $map->enter_y)
1826	if $x <=0 && $y <= 0;	2423	if $x <=0 && $y <= 0;
1827		2424
1828	$map->load;	2425	$map->load;
1829	$map->load_diag;	2426	$map->load_neighbours;
1830		2427
1831	return unless $self->contr->active;	2428	return unless $self->contr->active;
1832	$self->activate_recursive;	2429	$self->activate_recursive;
1833		2430
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2431	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2432	$self->enter_map ($map, $x, $y);
1836	}	2433	}
1837		2434
1838	cf::player->attach (	2435	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1839	on_logout => sub {
1840	my ($pl) = @_;
1841		2436
1842	# abort map switching before logout	2437	Moves the player to the given map-path and coordinates by first freezing
1843	if ($pl->ob->{_link_pos}) {	2438	her, loading and preparing them map, calling the provided $check callback
1844	cf::sync_job {	2439	that has to return the map if sucecssful, and then unfreezes the player on
1845	$pl->ob->leave_link	2440	the new (success) or old (failed) map position. In either case, $done will
1846	};	2441	be called at the end of this process.
1847	}
1848	},
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2442
1852	# try to abort aborted map switching on player login :)
1853	# should happen only on crashes
1854	if ($pl->ob->{_link_pos}) {
1855	$pl->ob->enter_link;
1856	(async {
1857	$pl->ob->reply (undef,
1858	"There was an internal problem at your last logout, "
1859	. "the server will try to bring you to your intended destination in a second.",
1860	cf::NDI_RED);
1861	# we need this sleep as the login has a concurrent enter_exit running
1862	# and this sleep increases chances of the player not ending up in scorn
1863	Coro::Timer::sleep 1;
1864	$pl->ob->leave_link;
1865	})->prio (2);
1866	}
1867	},
1868	);
1869
1870	=item $player_object->goto ($path, $x, $y)
1871
1872	=cut	2443	=cut
		2444
		2445	our $GOTOGEN;
1873		2446
1874	sub cf::object::player::goto {	2447	sub cf::object::player::goto {
1875	my ($self, $path, $x, $y) = @_;	2448	my ($self, $path, $x, $y, $check, $done) = @_;
		2449
		2450	# do generation counting so two concurrent goto's will be executed in-order
		2451	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1876		2452
1877	$self->enter_link;	2453	$self->enter_link;
1878		2454
1879	(async {	2455	(async {
		2456	# *tag paths override both path and x|y
		2457	if ($path =~ /^\*(.*)$/) {
		2458	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2459	my $ob = $obs[rand @obs];
		2460
		2461	# see if we actually can go there
		2462	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2463	$ob = $obs[rand @obs];
		2464	} else {
		2465	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2466	}
		2467	# else put us there anyways for now #d#
		2468
		2469	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2470	} else {
		2471	($path, $x, $y) = (undef, undef, undef);
		2472	}
		2473	}
		2474
1880	my $map = eval {	2475	my $map = eval {
1881	my $map = cf::map::find $path;	2476	my $map = defined $path ? cf::map::find $path : undef;
		2477
		2478	if ($map) {
1882	$map = $map->customise_for ($self) if $map;	2479	$map = $map->customise_for ($self);
		2480	$map = $check->($map) if $check && $map;
		2481	} else {
		2482	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2483	}
		2484
1883	$map	2485	$map
		2486	};
		2487
		2488	if ($@) {
		2489	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	LOG llevError | logBacktrace, Carp::longmess $@;
1884	} or	2491	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2492
		2493	if ($gen == $self->{_goto_generation}) {
		2494	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2495	$self->leave_link ($map, $x, $y);
		2496	}
		2497
		2498	$done->() if $done;
1888	})->prio (1);	2499	})->prio (1);
1889	}	2500	}
1890		2501
1891	=item $player_object->enter_exit ($exit_object)	2502	=item $player_object->enter_exit ($exit_object)
1892		2503
…		…
1931		2542
1932	$rmp->{random_seed} ||= $exit->random_seed;	2543	$rmp->{random_seed} ||= $exit->random_seed;
1933		2544
1934	my $data = cf::to_json $rmp;	2545	my $data = cf::to_json $rmp;
1935	my $md5 = Digest::MD5::md5_hex $data;	2546	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2547	my $meta = "$RANDOMDIR/$md5.meta";
1937		2548
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2549	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2550	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2551	undef $fh;
1941	aio_rename "$meta~", $meta;	2552	aio_rename "$meta~", $meta;
…		…
1950		2561
1951	return unless $self->type == cf::PLAYER;	2562	return unless $self->type == cf::PLAYER;
1952		2563
1953	if ($exit->slaying eq "/!") {	2564	if ($exit->slaying eq "/!") {
1954	#TODO: this should de-fi-ni-te-ly not be a sync-job	2565	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2566	# the problem is that $exit might not survive long enough
		2567	# so it needs to be done right now, right here
1955	cf::sync_job { prepare_random_map $exit };	2568	cf::sync_job { prepare_random_map $exit };
1956	}	2569	}
1957		2570
1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2571	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959	my $hp = $exit->stats->hp;	2572	my $hp = $exit->stats->hp;
1960	my $sp = $exit->stats->sp;	2573	my $sp = $exit->stats->sp;
1961		2574
1962	$self->enter_link;	2575	$self->enter_link;
		2576
		2577	# if exit is damned, update players death & WoR home-position
		2578	$self->contr->savebed ($slaying, $hp, $sp)
		2579	if $exit->flag (FLAG_DAMNED);
1963		2580
1964	(async {	2581	(async {
1965	$self->deactivate_recursive; # just to be sure	2582	$self->deactivate_recursive; # just to be sure
1966	unless (eval {	2583	unless (eval {
1967	$self->goto ($slaying, $hp, $sp);	2584	$self->goto ($slaying, $hp, $sp);
1968		2585
1969	1;	2586	1;
1970	}) {	2587	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	2588	$self->message ("Something went wrong deep within the crossfire server. "
1972	. "I'll try to bring you back to the map you were before. "	2589	. "I'll try to bring you back to the map you were before. "
1973	. "Please report this to the dungeon master!",	2590	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	2591	cf::NDI_UNIQUE | cf::NDI_RED);
1975		2592
1976	warn "ERROR in enter_exit: $@";	2593	warn "ERROR in enter_exit: $@";
1977	$self->leave_link;	2594	$self->leave_link;
1978	}	2595	}
1979	})->prio (1);	2596	})->prio (1);
…		…
1992		2609
1993	sub cf::client::send_drawinfo {	2610	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	2611	my ($self, $text, $flags) = @_;
1995		2612
1996	utf8::encode $text;	2613	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2614	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	2615	}
1999		2616
		2617	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	Send a drawinfo or msg packet to the client, formatting the msg for the
		2620	client if neccessary. C<$type> should be a string identifying the type of
		2621	the message, with C<log> being the default. If C<$color> is negative, suppress
		2622	the message unless the client supports the msg packet.
		2623
		2624	=cut
		2625
		2626	our %CHANNEL = (
		2627	"c/identify" => {
		2628	id => "identify",
		2629	title => "Identify",
		2630	reply => undef,
		2631	tooltip => "Items recently identified",
		2632	},
		2633	"c/examine" => {
		2634	id => "examine",
		2635	title => "Examine",
		2636	reply => undef,
		2637	tooltip => "Signs and other items you examined",
		2638	},
		2639	);
		2640
		2641	sub cf::client::send_msg {
		2642	my ($self, $channel, $msg, $color, @extra) = @_;
		2643
		2644	$msg = $self->pl->expand_cfpod ($msg);
		2645
		2646	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2647
		2648	# check predefined channels, for the benefit of C
		2649	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2650
		2651	if (ref $channel) {
		2652	# send meta info to client, if not yet sent
		2653	unless (exists $self->{channel}{$channel->{id}}) {
		2654	$self->{channel}{$channel->{id}} = $channel;
		2655	$self->ext_msg (channel_info => $channel)
		2656	if $self->can_msg;
		2657	}
		2658
		2659	$channel = $channel->{id};
		2660	}
		2661
		2662	return unless @extra || length $msg;
		2663
		2664	if ($self->can_msg) {
		2665	# default colour, mask it out
		2666	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2667	if $color & cf::NDI_DEF;
		2668
		2669	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2670	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2671	} else {
		2672	if ($color >= 0) {
		2673	# replace some tags by gcfclient-compatible ones
		2674	for ($msg) {
		2675	1 while
		2676	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2677	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2678	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2679	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2680	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2681	}
		2682
		2683	$color &= cf::NDI_COLOR_MASK;
		2684
		2685	utf8::encode $msg;
		2686
		2687	if (0 && $msg =~ /\[/) {
		2688	# COMMAND/INFO
		2689	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2690	} else {
		2691	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2692	$self->send_packet ("drawinfo $color $msg")
		2693	}
		2694	}
		2695	}
		2696	}
		2697
		2698	=item $client->ext_msg ($type, @msg)
		2699
		2700	Sends an ext event to the client.
		2701
		2702	=cut
		2703
		2704	sub cf::client::ext_msg($$@) {
		2705	my ($self, $type, @msg) = @_;
		2706
		2707	if ($self->extcmd == 2) {
		2708	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2709	} elsif ($self->extcmd == 1) { # TODO: remove
		2710	push @msg, msgtype => "event_$type";
		2711	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2712	}
		2713	}
		2714
		2715	=item $client->ext_reply ($msgid, @msg)
		2716
		2717	Sends an ext reply to the client.
		2718
		2719	=cut
		2720
		2721	sub cf::client::ext_reply($$@) {
		2722	my ($self, $id, @msg) = @_;
		2723
		2724	if ($self->extcmd == 2) {
		2725	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2726	} elsif ($self->extcmd == 1) {
		2727	#TODO: version 1, remove
		2728	unshift @msg, msgtype => "reply", msgid => $id;
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2730	}
		2731	}
2000		2732
2001	=item $success = $client->query ($flags, "text", \&cb)	2733	=item $success = $client->query ($flags, "text", \&cb)
2002		2734
2003	Queues a query to the client, calling the given callback with	2735	Queues a query to the client, calling the given callback with
2004	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2736	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2005	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2737	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2006		2738
2007	Queries can fail, so check the return code. Or don't, as queries will become	2739	Queries can fail, so check the return code. Or don't, as queries will
2008	reliable at some point in the future.	2740	become reliable at some point in the future.
2009		2741
2010	=cut	2742	=cut
2011		2743
2012	sub cf::client::query {	2744	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	2745	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	2753	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2754	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		2755
2024	$self->send_packet ($self->{query_queue}[0][0])	2756	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	2757	if @{ $self->{query_queue} } == 1;
		2758
		2759	1
2026	}	2760	}
2027		2761
2028	cf::client->attach (	2762	cf::client->attach (
		2763	on_connect => sub {
		2764	my ($ns) = @_;
		2765
		2766	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2767	},
2029	on_reply => sub {	2768	on_reply => sub {
2030	my ($ns, $msg) = @_;	2769	my ($ns, $msg) = @_;
2031		2770
2032	# this weird shuffling is so that direct followup queries	2771	# this weird shuffling is so that direct followup queries
2033	# get handled first	2772	# get handled first
…		…
2045	} else {	2784	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2785	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	2786	}
2048	}	2787	}
2049	},	2788	},
		2789	on_exticmd => sub {
		2790	my ($ns, $buf) = @_;
		2791
		2792	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2793
		2794	if (ref $msg) {
		2795	my ($type, $reply, @payload) =
		2796	"ARRAY" eq ref $msg
		2797	? @$msg
		2798	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2799
		2800	my @reply;
		2801
		2802	if (my $cb = $EXTICMD{$type}) {
		2803	@reply = $cb->($ns, @payload);
		2804	}
		2805
		2806	$ns->ext_reply ($reply, @reply)
		2807	if $reply;
		2808
		2809	} else {
		2810	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2811	}
		2812
		2813	cf::override;
		2814	},
2050	);	2815	);
2051		2816
2052	=item $client->async (\&cb)	2817	=item $client->async (\&cb)
2053		2818
2054	Create a new coroutine, running the specified callback. The coroutine will	2819	Create a new coroutine, running the specified callback. The coroutine will
…		…
2095	our $safe = new Safe "safe";	2860	our $safe = new Safe "safe";
2096	our $safe_hole = new Safe::Hole;	2861	our $safe_hole = new Safe::Hole;
2097		2862
2098	$SIG{FPE} = 'IGNORE';	2863	$SIG{FPE} = 'IGNORE';
2099		2864
2100	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2865	$safe->permit_only (Opcode::opset qw(
		2866	:base_core :base_mem :base_orig :base_math
		2867	grepstart grepwhile mapstart mapwhile
		2868	sort time
		2869	));
2101		2870
2102	# here we export the classes and methods available to script code	2871	# here we export the classes and methods available to script code
2103		2872
2104	=pod	2873	=pod
2105		2874
2106	The following fucntions and emthods are available within a safe environment:	2875	The following functions and methods are available within a safe environment:
2107		2876
2108	cf::object contr pay_amount pay_player map	2877	cf::object
		2878	contr pay_amount pay_player map x y force_find force_add
		2879	insert remove name archname title slaying race decrease_ob_nr
		2880
2109	cf::object::player player	2881	cf::object::player
2110	cf::player peaceful	2882	player
2111	cf::map trigger	2883
		2884	cf::player
		2885	peaceful
		2886
		2887	cf::map
		2888	trigger
2112		2889
2113	=cut	2890	=cut
2114		2891
2115	for (	2892	for (
2116	["cf::object" => qw(contr pay_amount pay_player map)],	2893	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2894	insert remove inv name archname title slaying race
		2895	decrease_ob_nr)],
2117	["cf::object::player" => qw(player)],	2896	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	2897	["cf::player" => qw(peaceful)],
2119	["cf::map" => qw(trigger)],	2898	["cf::map" => qw(trigger)],
2120	) {	2899	) {
2121	no strict 'refs';	2900	no strict 'refs';
…		…
2192	=back	2971	=back
2193		2972
2194	=cut	2973	=cut
2195		2974
2196	#############################################################################	2975	#############################################################################
2197
2198	=head2 EXTENSION DATABASE SUPPORT
2199
2200	Crossfire maintains a very simple database for extension use. It can
2201	currently store anything that can be serialised using Storable, which
2202	excludes objects.
2203
2204	The parameter C<$family> should best start with the name of the extension
2205	using it, it should be unique.
2206
2207	=over 4
2208
2209	=item $value = cf::db_get $family => $key
2210
2211	Returns a single value from the database.
2212
2213	=item cf::db_put $family => $key => $value
2214
2215	Stores the given C<$value> in the family.
2216
2217	=cut
2218
2219	our $DB;
2220
2221	sub db_init {
2222	unless ($DB) {
2223	$DB = BDB::db_create $DB_ENV;
2224
2225	cf::sync_job {
2226	eval {
2227	$DB->set_flags (BDB::CHKSUM);
2228
2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231	cf::cleanup "db_open(db): $!" if $!;
2232	};
2233	cf::cleanup "db_open(db): $@" if $@;
2234	};
2235
2236	my $path = cf::localdir . "/database.pst";
2237	if (stat $path) {
2238	cf::sync_job {
2239	my $pst = Storable::retrieve $path;
2240
2241	cf::db_put (board => data => $pst->{board});
2242	cf::db_put (guildrules => data => $pst->{guildrules});
2243	cf::db_put (rent => balance => $pst->{rent}{balance});
2244	BDB::db_env_txn_checkpoint $DB_ENV;
2245
2246	unlink $path;
2247	};
2248	}
2249	}
2250	}
2251
2252	sub db_get($$) {
2253	my $key = "$_[0]/$_[1]";
2254
2255	cf::sync_job {
2256	BDB::db_get $DB, undef, $key, my $data;
2257
2258	$! ? ()
2259	: Compress::LZF::sthaw $data
2260	}
2261	}
2262
2263	sub db_put($$$) {
2264	BDB::dbreq_pri 4;
2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2266	}
2267
2268	#############################################################################
2269	# the server's init and main functions	2976	# the server's init and main functions
2270		2977
2271	sub init_resources {	2978	sub load_facedata($) {
2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2979	my ($path) = @_;
		2980
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
		2985	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2986
		2987	warn "loading facedata from $path\n";
		2988
		2989	my $facedata;
		2990	0 < aio_load $path, $facedata
		2991	or die "$path: $!";
		2992
		2993	$facedata = Coro::Storable::thaw $facedata;
		2994
		2995	$facedata->{version} == 2
		2996	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2997
		2998	# patch in the exptable
		2999	$facedata->{resource}{"res/exp_table"} = {
		3000	type => FT_RSRC,
		3001	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3002	};
		3003	cf::cede_to_tick;
		3004
		3005	{
		3006	my $faces = $facedata->{faceinfo};
		3007
		3008	while (my ($face, $info) = each %$faces) {
		3009	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3010	cf::face::set_visibility $idx, $info->{visibility};
		3011	cf::face::set_magicmap $idx, $info->{magicmap};
		3012	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3013	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3014
		3015	cf::cede_to_tick;
		3016	}
		3017
		3018	while (my ($face, $info) = each %$faces) {
		3019	next unless $info->{smooth};
		3020	my $idx = cf::face::find $face
		3021	or next;
		3022	if (my $smooth = cf::face::find $info->{smooth}) {
		3023	cf::face::set_smooth $idx, $smooth;
		3024	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3025	} else {
		3026	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3027	}
		3028
		3029	cf::cede_to_tick;
		3030	}
		3031	}
		3032
		3033	{
		3034	my $anims = $facedata->{animinfo};
		3035
		3036	while (my ($anim, $info) = each %$anims) {
		3037	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3038	cf::cede_to_tick;
		3039	}
		3040
		3041	cf::anim::invalidate_all; # d'oh
		3042	}
		3043
		3044	{
		3045	# TODO: for gcfclient pleasure, we should give resources
		3046	# that gcfclient doesn't grok a >10000 face index.
		3047	my $res = $facedata->{resource};
		3048
		3049	my $soundconf = delete $res->{"res/sound.conf"};
		3050
		3051	while (my ($name, $info) = each %$res) {
		3052	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3053	my $data;
		3054
		3055	if ($info->{type} & 1) {
		3056	# prepend meta info
		3057
		3058	my $meta = $enc->encode ({
		3059	name => $name,
		3060	%{ $info->{meta} || {} },
		3061	});
		3062
		3063	$data = pack "(w/a*)*", $meta, $info->{data};
		3064	} else {
		3065	$data = $info->{data};
		3066	}
		3067
		3068	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3069	cf::face::set_type $idx, $info->{type};
		3070
		3071	cf::cede_to_tick;
		3072	}
		3073
		3074	if ($soundconf) {
		3075	$soundconf = $enc->decode (delete $soundconf->{data});
		3076
		3077	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3078	my $sound = $soundconf->{compat}[$_]
		3079	or next;
		3080
		3081	my $face = cf::face::find "sound/$sound->[1]";
		3082	cf::sound::set $sound->[0] => $face;
		3083	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3084	}
		3085
		3086	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3087	my $face = cf::face::find "sound/$v";
		3088	cf::sound::set $k => $face;
		3089	}
		3090	}
		3091	}
		3092
		3093	1
		3094	}
		3095
		3096	register_exticmd fx_want => sub {
		3097	my ($ns, $want) = @_;
		3098
		3099	while (my ($k, $v) = each %$want) {
		3100	$ns->fx_want ($k, $v);
		3101	}
		3102	};
		3103
		3104	sub reload_regions {
		3105	# HACK to clear player env face cache, we need some signal framework
		3106	# for this (global event?)
		3107	%ext::player_env::MUSIC_FACE_CACHE = ();
		3108
		3109	load_resource_file "$MAPDIR/regions"
2273	or die "unable to load regions file\n";#d#	3110	or die "unable to load regions file\n";
2274	}
2275		3111
2276	sub cfg_load {	3112	for (cf::region::list) {
		3113	$_->{match} = qr/$_->{match}/
		3114	if exists $_->{match};
		3115	}
		3116	}
		3117
		3118	sub reload_facedata {
		3119	load_facedata "$DATADIR/facedata"
		3120	or die "unable to load facedata\n";
		3121	}
		3122
		3123	sub reload_archetypes {
		3124	load_resource_file "$DATADIR/archetypes"
		3125	or die "unable to load archetypes\n";
		3126	#d# NEED to laod twice to resolve forward references
		3127	# this really needs to be done in an extra post-pass
		3128	# (which needs to be synchronous, so solve it differently)
		3129	load_resource_file "$DATADIR/archetypes"
		3130	or die "unable to load archetypes\n";
		3131	}
		3132
		3133	sub reload_treasures {
		3134	load_resource_file "$DATADIR/treasures"
		3135	or die "unable to load treasurelists\n";
		3136	}
		3137
		3138	sub reload_resources {
		3139	warn "reloading resource files...\n";
		3140
		3141	reload_regions;
		3142	reload_facedata;
		3143	#reload_archetypes;#d#
		3144	reload_archetypes;
		3145	reload_treasures;
		3146
		3147	warn "finished reloading resource files\n";
		3148	}
		3149
		3150	sub init {
		3151	reload_resources;
		3152	}
		3153
		3154	sub reload_config {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3155	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3156	or return;
2279		3157
2280	local $/;	3158	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3159	*CFG = YAML::Syck::Load <$fh>;
2282		3160
…		…
2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3168	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2291	and die "WARNING: m(un)lockall failed: $!\n";	3169	and die "WARNING: m(un)lockall failed: $!\n";
2292	};	3170	};
2293	warn $@ if $@;	3171	warn $@ if $@;
2294	}	3172	}
2295	}
2296
2297	sub init {
2298	init_resources;
2299	}	3173	}
2300		3174
2301	sub main {	3175	sub main {
2302	# we must not ever block the main coroutine	3176	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	3177	local $Coro::idle = sub {
…		…
2305	(async {	3179	(async {
2306	Event::one_event;	3180	Event::one_event;
2307	})->prio (Coro::PRIO_MAX);	3181	})->prio (Coro::PRIO_MAX);
2308	};	3182	};
2309		3183
2310	cfg_load;	3184	reload_config;
2311	db_init;	3185	db_init;
2312	load_extensions;	3186	load_extensions;
2313		3187
2314	$TICK_WATCHER->start;	3188	$TICK_WATCHER->start;
2315	Event::loop;	3189	Event::loop;
…		…
2331	},	3205	},
2332	);	3206	);
2333	}	3207	}
2334	}	3208	}
2335		3209
		3210	sub write_runtime {
		3211	my $runtime = "$LOCALDIR/runtime";
		3212
		3213	# first touch the runtime file to show we are still running:
		3214	# the fsync below can take a very very long time.
		3215
		3216	IO::AIO::aio_utime $runtime, undef, undef;
		3217
		3218	my $guard = cf::lock_acquire "write_runtime";
		3219
		3220	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3221	or return;
		3222
		3223	my $value = $cf::RUNTIME + 90 + 10;
		3224	# 10 is the runtime save interval, for a monotonic clock
		3225	# 60 allows for the watchdog to kill the server.
		3226
		3227	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3228	and return;
		3229
		3230	# always fsync - this file is important
		3231	aio_fsync $fh
		3232	and return;
		3233
		3234	# touch it again to show we are up-to-date
		3235	aio_utime $fh, undef, undef;
		3236
		3237	close $fh
		3238	or return;
		3239
		3240	aio_rename "$runtime~", $runtime
		3241	and return;
		3242
		3243	warn "runtime file written.\n";
		3244
		3245	1
		3246	}
		3247
2336	sub emergency_save() {	3248	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	3249	my $freeze_guard = cf::freeze_mainloop;
2338		3250
2339	warn "enter emergency perl save\n";	3251	warn "enter emergency perl save\n";
2340		3252
…		…
2371		3283
2372	warn Carp::longmess "post_cleanup backtrace"	3284	warn Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	3285	if $make_core;
2374	}	3286	}
2375		3287
2376	sub reload() {	3288	sub do_reload_perl() {
2377	# can/must only be called in main	3289	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	3290	if ($Coro::current != $Coro::main) {
2379	warn "can only reload from main coroutine";	3291	warn "can only reload from main coroutine";
2380	return;	3292	return;
2381	}	3293	}
…		…
2406	Coro::cede;	3318	Coro::cede;
2407	last unless IO::AIO::nreqs || BDB::nreqs;	3319	last unless IO::AIO::nreqs || BDB::nreqs;
2408	warn "iterate...";	3320	warn "iterate...";
2409	}	3321	}
2410		3322
		3323	++$RELOAD;
		3324
2411	warn "cancelling all extension coros";	3325	warn "cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;	3326	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();	3327	%EXT_CORO = ();
2414		3328
2415	warn "removing commands";	3329	warn "removing commands";
2416	%COMMAND = ();	3330	%COMMAND = ();
2417		3331
2418	warn "removing ext commands";	3332	warn "removing ext/exti commands";
2419	%EXTCMD = ();	3333	%EXTCMD = ();
		3334	%EXTICMD = ();
2420		3335
2421	warn "unloading/nuking all extensions";	3336	warn "unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {	3337	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";	3338	warn "... unloading $pkg";
2424		3339
…		…
2454	Symbol::delete_package "safe::$_"	3369	Symbol::delete_package "safe::$_"
2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3370	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456		3371
2457	warn "unloading cf.pm \"a bit\"";	3372	warn "unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	3373	delete $INC{"cf.pm"};
		3374	delete $INC{"cf/pod.pm"};
2459		3375
2460	# don't, removes xs symbols, too,	3376	# don't, removes xs symbols, too,
2461	# and global variables created in xs	3377	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	3378	#Symbol::delete_package __PACKAGE__;
2463		3379
…		…
2466	warn "reloading cf.pm";	3382	warn "reloading cf.pm";
2467	require cf;	3383	require cf;
2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3384	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2469		3385
2470	warn "loading config and database again";	3386	warn "loading config and database again";
2471	cf::cfg_load;	3387	cf::reload_config;
2472		3388
2473	warn "loading extensions";	3389	warn "loading extensions";
2474	cf::load_extensions;	3390	cf::load_extensions;
2475		3391
2476	warn "reattaching attachments to objects/players";	3392	warn "reattaching attachments to objects/players";
2477	_global_reattach;	3393	_global_reattach; # objects, sockets
2478	warn "reattaching attachments to maps";	3394	warn "reattaching attachments to maps";
2479	reattach $_ for values %MAP;	3395	reattach $_ for values %MAP;
2480		3396	warn "reattaching attachments to players";
2481	warn "loading reloadable resources";	3397	reattach $_ for values %PLAYER;
2482	init_resources;
2483		3398
2484	warn "leaving sync_job";	3399	warn "leaving sync_job";
2485		3400
2486	1	3401	1
2487	} or do {	3402	} or do {
…		…
2493	warn "reloaded";	3408	warn "reloaded";
2494	};	3409	};
2495		3410
2496	our $RELOAD_WATCHER; # used only during reload	3411	our $RELOAD_WATCHER; # used only during reload
2497		3412
		3413	sub reload_perl() {
		3414	# doing reload synchronously and two reloads happen back-to-back,
		3415	# coro crashes during coro_state_free->destroy here.
		3416
		3417	$RELOAD_WATCHER ||= Event->timer (
		3418	reentrant => 0,
		3419	after => 0,
		3420	data => WF_AUTOCANCEL,
		3421	cb => sub {
		3422	do_reload_perl;
		3423	undef $RELOAD_WATCHER;
		3424	},
		3425	);
		3426	}
		3427
2498	register_command "reload" => sub {	3428	register_command "reload" => sub {
2499	my ($who, $arg) = @_;	3429	my ($who, $arg) = @_;
2500		3430
2501	if ($who->flag (FLAG_WIZ)) {	3431	if ($who->flag (FLAG_WIZ)) {
2502	$who->message ("reloading server.");	3432	$who->message ("reloading server.");
2503		3433	async { reload_perl };
2504	# doing reload synchronously and two reloads happen back-to-back,
2505	# coro crashes during coro_state_free->destroy here.
2506
2507	$RELOAD_WATCHER ||= Event->timer (
2508	reentrant => 0,
2509	after => 0,
2510	data => WF_AUTOCANCEL,
2511	cb => sub {
2512	reload;
2513	undef $RELOAD_WATCHER;
2514	},
2515	);
2516	}	3434	}
2517	};	3435	};
2518		3436
2519	unshift @INC, $LIBDIR;	3437	unshift @INC, $LIBDIR;
2520		3438
2521	my $bug_warning = 0;	3439	my $bug_warning = 0;
		3440
		3441	our @WAIT_FOR_TICK;
		3442	our @WAIT_FOR_TICK_BEGIN;
		3443
		3444	sub wait_for_tick {
		3445	return unless $TICK_WATCHER->is_active;
		3446	return if $Coro::current == $Coro::main;
		3447
		3448	my $signal = new Coro::Signal;
		3449	push @WAIT_FOR_TICK, $signal;
		3450	$signal->wait;
		3451	}
		3452
		3453	sub wait_for_tick_begin {
		3454	return unless $TICK_WATCHER->is_active;
		3455	return if $Coro::current == $Coro::main;
		3456
		3457	my $signal = new Coro::Signal;
		3458	push @WAIT_FOR_TICK_BEGIN, $signal;
		3459	$signal->wait;
		3460	}
2522		3461
2523	$TICK_WATCHER = Event->timer (	3462	$TICK_WATCHER = Event->timer (
2524	reentrant => 0,	3463	reentrant => 0,
2525	parked => 1,	3464	parked => 1,
2526	prio => 0,	3465	prio => 0,
…		…
2531	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3470	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2532	unless ++$bug_warning > 10;	3471	unless ++$bug_warning > 10;
2533	return;	3472	return;
2534	}	3473	}
2535		3474
2536	$NOW = Event::time;	3475	$NOW = $tick_start = Event::time;
2537		3476
2538	cf::server_tick; # one server iteration	3477	cf::server_tick; # one server iteration
		3478
2539	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2540	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2541		3481
2542	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2543	$NEXT_RUNTIME_WRITE = $NOW + 10;	3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2545	write_runtime	3485	write_runtime
2546	or warn "ERROR: unable to write runtime file: $!";	3486	or warn "ERROR: unable to write runtime file: $!";
2547	};	3487	};
2548	}	3488	}
2549		3489
2550	$WAIT_FOR_TICK->broadcast;	3490	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2551	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3491	$sig->send;
		3492	}
		3493	while (my $sig = shift @WAIT_FOR_TICK) {
		3494	$sig->send;
		3495	}
2552		3496
2553	# my $AFTER = Event::time;	3497	$NOW = Event::time;
2554	# warn $AFTER - $NOW;#d#
2555		3498
2556	# if we are delayed by four ticks or more, skip them all	3499	# if we are delayed by four ticks or more, skip them all
2557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3500	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2558		3501
2559	$TICK_WATCHER->at ($NEXT_TICK);	3502	$TICK_WATCHER->at ($NEXT_TICK);
2560	$TICK_WATCHER->start;	3503	$TICK_WATCHER->start;
		3504
		3505	$LOAD = ($NOW - $tick_start) / $TICK;
		3506	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3507
		3508	_post_tick;
2561	},	3509	},
2562	);	3510	);
2563		3511
2564	{	3512	{
		3513	BDB::min_parallel 8;
2565	BDB::max_poll_time $TICK * 0.1;	3514	BDB::max_poll_time $TICK * 0.1;
2566	$BDB_POLL_WATCHER = Event->io (	3515	$BDB_POLL_WATCHER = Event->io (
2567	reentrant => 0,	3516	reentrant => 0,
2568	fd => BDB::poll_fileno,	3517	fd => BDB::poll_fileno,
2569	poll => 'r',	3518	poll => 'r',
2570	prio => 0,	3519	prio => 0,
2571	data => WF_AUTOCANCEL,	3520	data => WF_AUTOCANCEL,
2572	cb => \&BDB::poll_cb,	3521	cb => \&BDB::poll_cb,
2573	);	3522	);
2574	BDB::min_parallel 8;
2575		3523
2576	BDB::set_sync_prepare {	3524	BDB::set_sync_prepare {
2577	my $status;	3525	my $status;
2578	my $current = $Coro::current;	3526	my $current = $Coro::current;
2579	(	3527	(
…		…
2588	)	3536	)
2589	};	3537	};
2590		3538
2591	unless ($DB_ENV) {	3539	unless ($DB_ENV) {
2592	$DB_ENV = BDB::db_env_create;	3540	$DB_ENV = BDB::db_env_create;
		3541	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3542	| BDB::LOG_AUTOREMOVE, 1);
		3543	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3544	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2593		3545
2594	cf::sync_job {	3546	cf::sync_job {
2595	eval {	3547	eval {
2596	BDB::db_env_open	3548	BDB::db_env_open
2597	$DB_ENV,	3549	$DB_ENV,
2598	$BDB_ENV_DIR,	3550	$BDBDIR,
2599	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2600	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2601	0666;	3553	0666;
2602		3554
2603	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2604
2605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2606	$DB_ENV->set_lk_detect;
2607	};	3556	};
2608		3557
2609	cf::cleanup "db_env_open(db): $@" if $@;	3558	cf::cleanup "db_env_open(db): $@" if $@;
2610	};	3559	};
2611	}	3560	}
		3561
		3562	$BDB_DEADLOCK_WATCHER = Event->timer (
		3563	after => 3,
		3564	interval => 1,
		3565	hard => 1,
		3566	prio => 0,
		3567	data => WF_AUTOCANCEL,
		3568	cb => sub {
		3569	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3570	},
		3571	);
		3572	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3573	after => 11,
		3574	interval => 60,
		3575	hard => 1,
		3576	prio => 0,
		3577	data => WF_AUTOCANCEL,
		3578	cb => sub {
		3579	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3580	},
		3581	);
		3582	$BDB_TRICKLE_WATCHER = Event->timer (
		3583	after => 5,
		3584	interval => 10,
		3585	hard => 1,
		3586	prio => 0,
		3587	data => WF_AUTOCANCEL,
		3588	cb => sub {
		3589	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3590	},
		3591	);
2612	}	3592	}
2613		3593
2614	{	3594	{
2615	IO::AIO::min_parallel 8;	3595	IO::AIO::min_parallel 8;
2616		3596
…		…
2624	prio => 6,	3604	prio => 6,
2625	cb => \&IO::AIO::poll_cb,	3605	cb => \&IO::AIO::poll_cb,
2626	);	3606	);
2627	}	3607	}
2628		3608
		3609	my $_log_backtrace;
		3610
		3611	sub _log_backtrace {
		3612	my ($msg, @addr) = @_;
		3613
		3614	$msg =~ s/\n//;
		3615
		3616	# limit the # of concurrent backtraces
		3617	if ($_log_backtrace < 2) {
		3618	++$_log_backtrace;
		3619	async {
		3620	my @bt = fork_call {
		3621	@addr = map { sprintf "%x", $_ } @addr;
		3622	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3623	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3624	or die "addr2line: $!";
		3625
		3626	my @funcs;
		3627	my @res = <$fh>;
		3628	chomp for @res;
		3629	while (@res) {
		3630	my ($func, $line) = splice @res, 0, 2, ();
		3631	push @funcs, "[$func] $line";
		3632	}
		3633
		3634	@funcs
		3635	};
		3636
		3637	LOG llevInfo, "[ABT] $msg\n";
		3638	LOG llevInfo, "[ABT] $_\n" for @bt;
		3639	--$_log_backtrace;
		3640	};
		3641	} else {
		3642	LOG llevInfo, "[ABT] $msg\n";
		3643	LOG llevInfo, "[ABT] [suppressed]\n";
		3644	}
		3645	}
		3646
		3647	# load additional modules
		3648	use cf::pod;
		3649
2629	END { cf::emergency_save }	3650	END { cf::emergency_save }
2630		3651
2631	1	3652	1
2632		3653

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