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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 1.371 by root, Thu Sep 13 16:16:01 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
…		…
755	);	1026	);
756		1027
757	sub object_freezer_save {	1028	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
759		1030
		1031	my $guard = cf::lock_acquire "io";
		1032
760	sync_job {	1033	sync_job {
761	if (length $$rdata) {	1034	if (length $$rdata) {
		1035	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1036	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1037	$decname, length $$rdata, scalar @$objs;
764		1038
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1040	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1042	aio_fsync $fh if $cf::USE_FSYNC;
…		…
787	}	1061	}
788	} else {	1062	} else {
789	aio_unlink $filename;	1063	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1064	aio_unlink "$filename.pst";
791	}	1065	}
792	}	1066	};
		1067
		1068	undef $guard;
793	}	1069	}
794		1070
795	sub object_freezer_as_string {	1071	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1072	my ($rdata, $objs) = @_;
797		1073
…		…
802		1078
803	sub object_thawer_load {	1079	sub object_thawer_load {
804	my ($filename) = @_;	1080	my ($filename) = @_;
805		1081
806	my ($data, $av);	1082	my ($data, $av);
		1083
		1084	my $guard = cf::lock_acquire "io";
807		1085
808	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
809	or return;	1087	or return;
810		1088
811	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1090	(aio_load "$filename.pst", $av) >= 0
813	or return;	1091	or return;
		1092
		1093	undef $guard;
814	$av = eval { (Storable::thaw $av)->{objs} };	1094	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1095	}
816		1096
		1097	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
819	return ($data, $av);	1101	($data, $av)
820	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
821		1109
822	#############################################################################	1110	#############################################################################
823	# command handling &c	1111	# command handling &c
824		1112
825	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1127	}
840		1128
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1130
843	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
844		1136
845	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
846	called.	1138	called.
847		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
848	=cut	1151	=cut
849		1152
850	sub register_extcmd {	1153	sub register_extcmd {
851	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
852		1155
853	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
854	}	1163	}
855		1164
856	cf::player->attach (	1165	cf::player->attach (
857	on_command => sub {	1166	on_command => sub {
858	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1176	cf::override;
868	},	1177	},
869	on_extcmd => sub {	1178	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
871		1180
872	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1182
874	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
880	} else {	1198	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1200	}
883		1201
884	cf::override;	1202	cf::override;
885	},	1203	},
886	);	1204	);
887		1205
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 {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
923	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1211	next unless -r $path;
925	eval {	1212
926	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
927	1	1270	}
928	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
929	}	1276	};
930	}	1277	}
931		1278
932	#############################################################################	1279	#############################################################################
933		1280
		1281	=back
		1282
934	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
935		1284
936	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
937		1286
938	=cut	1287	=cut
…		…
943		1292
944	=head3 cf::player	1293	=head3 cf::player
945		1294
946	=over 4	1295	=over 4
947		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
948	=item cf::player::find $login	1311	=item cf::player::find $login
949		1312
950	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
951		1314
952	=cut	1315	=cut
953		1316
954	sub playerdir($) {	1317	sub playerdir($) {
955	cf::localdir	1318	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1320	}
961		1321
962	sub path($) {	1322	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1324
965	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
966	}	1326	}
967		1327
968	sub find_active($) {	1328	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1343	my $login = $_[0];
984		1344
985	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
986		1346
987	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1348	# rename old playerfiles to new ones
		1349	#TODO: remove when no longer required
		1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1353	aio_unlink +(playerdir $login) . "/$login.pl";
		1354
		1355	my $f = new_from_file cf::object::thawer path $login
989	or return;	1356	or return;
		1357
		1358	$f->next;
		1359	my $pl = cf::player::load_pl $f
		1360	or return;
		1361	local $cf::PLAYER_LOADING{$login} = $pl;
		1362	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1363	$cf::PLAYER{$login} = $pl
991	}	1364	}
992	}	1365	}
993	}	1366	}
994		1367
…		…
1004		1377
1005	aio_mkdir playerdir $pl, 0770;	1378	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1379	$pl->{last_save} = $cf::RUNTIME;
1007		1380
1008	$pl->save_pl ($path);	1381	$pl->save_pl ($path);
1009	Coro::cede;	1382	cf::cede_to_tick;
1010	}	1383	}
1011		1384
1012	sub new($) {	1385	sub new($) {
1013	my ($login) = @_;	1386	my ($login) = @_;
1014		1387
…		…
1018	$self->{deny_save} = 1;	1391	$self->{deny_save} = 1;
1019		1392
1020	$cf::PLAYER{$login} = $self;	1393	$cf::PLAYER{$login} = $self;
1021		1394
1022	$self	1395	$self
		1396	}
		1397
		1398	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1399
		1400	=cut
		1401
		1402	sub send_msg {
		1403	my $ns = shift->ns
		1404	or return;
		1405	$ns->send_msg (@_);
1023	}	1406	}
1024		1407
1025	=item $pl->quit_character	1408	=item $pl->quit_character
1026		1409
1027	Nukes the player without looking back. If logged in, the connection will	1410	Nukes the player without looking back. If logged in, the connection will
…		…
1076	while and may block, so not sync_job-capable, ever.	1459	while and may block, so not sync_job-capable, ever.
1077		1460
1078	=cut	1461	=cut
1079		1462
1080	sub list_logins {	1463	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1464	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1465	or return [];
1083		1466
1084	my @logins;	1467	my @logins;
1085		1468
1086	for my $login (@$dirs) {	1469	for my $login (@$dirs) {
		1470	my $path = path $login;
		1471
		1472	# a .pst is a dead give-away for a valid player
		1473	unless (-e "$path.pst") {
1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1474	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1088	aio_read $fh, 0, 512, my $buf, 0 or next;	1475	aio_read $fh, 0, 512, my $buf, 0 or next;
1089	$buf !~ /^password -------------$/m or next; # official not-valid tag	1476	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1477	}
1090		1478
1091	utf8::decode $login;	1479	utf8::decode $login;
1092	push @logins, $login;	1480	push @logins, $login;
1093	}	1481	}
1094		1482
…		…
1121	}	1509	}
1122		1510
1123	\@paths	1511	\@paths
1124	}	1512	}
1125		1513
		1514	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1515
		1516	Expand crossfire pod fragments into protocol xml.
		1517
		1518	=cut
		1519
		1520	sub expand_cfpod {
		1521	((my $self), (local $_)) = @_;
		1522
		1523	# escape & and <
		1524	s/&/&amp;/g;
		1525	s/(?<![BIUGHT])</&lt;/g;
		1526
		1527	# this is buggy, it needs to properly take care of nested <'s
		1528
		1529	1 while
		1530	# replace B<>, I<>, U<> etc.
		1531	s/B<([^\>]*)>/<b>$1<\/b>/
		1532	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1533	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1534	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1535	# replace G<male|female> tags
		1536	|| s{G<([^>|]*)\|([^>]*)>}{
		1537	$self->gender ? $2 : $1
		1538	}ge
		1539	# replace H<hint text>
		1540	|| s{H<([^\>]*)>}
		1541	{
		1542	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1543	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1544	"")
		1545	[$self->{hintmode}]
		1546	}ge;
		1547
		1548	# create single paragraphs (very hackish)
		1549	s/(?<=\S)\n(?=\w)/ /g;
		1550
		1551	# compress some whitespace
		1552	s/\s+\n/\n/g; # ws line-ends
		1553	s/\n\n+/\n/g; # double lines
		1554	s/^\n+//; # beginning lines
		1555	s/\n+$//; # ending lines
		1556
		1557	$_
		1558	}
		1559
		1560	sub hintmode {
		1561	$_[0]{hintmode} = $_[1] if @_ > 1;
		1562	$_[0]{hintmode}
		1563	}
		1564
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1565	=item $player->ext_reply ($msgid, @msg)
1127		1566
1128	Sends an ext reply to the player.	1567	Sends an ext reply to the player.
1129		1568
1130	=cut	1569	=cut
1131		1570
1132	sub ext_reply($$$%) {	1571	sub ext_reply($$@) {
1133	my ($self, $id, %msg) = @_;	1572	my ($self, $id, @msg) = @_;
1134		1573
1135	$msg{msgid} = $id;	1574	$self->ns->ext_reply ($id, @msg)
1136
1137	$self->send ("ext " . cf::to_json \%msg);
1138	}	1575	}
1139		1576
1140	package cf;	1577	=item $player->ext_msg ($type, @msg)
		1578
		1579	Sends an ext event to the client.
		1580
		1581	=cut
		1582
		1583	sub ext_msg($$@) {
		1584	my ($self, $type, @msg) = @_;
		1585
		1586	$self->ns->ext_msg ($type, @msg);
		1587	}
		1588
		1589	=head3 cf::region
		1590
		1591	=over 4
		1592
		1593	=cut
		1594
		1595	package cf::region;
		1596
		1597	=item cf::region::find_by_path $path
		1598
		1599	Tries to decuce the likely region for a map knowing only its path.
		1600
		1601	=cut
		1602
		1603	sub find_by_path($) {
		1604	my ($path) = @_;
		1605
		1606	my ($match, $specificity);
		1607
		1608	for my $region (list) {
		1609	if ($region->{match} && $path =~ $region->{match}) {
		1610	($match, $specificity) = ($region, $region->specificity)
		1611	if $region->specificity > $specificity;
		1612	}
		1613	}
		1614
		1615	$match
		1616	}
1141		1617
1142	=back	1618	=back
1143
1144		1619
1145	=head3 cf::map	1620	=head3 cf::map
1146		1621
1147	=over 4	1622	=over 4
1148		1623
…		…
1203	my ($self, $merge) = @_;	1678	my ($self, $merge) = @_;
1204		1679
1205	# we have to keep some variables in memory intact	1680	# we have to keep some variables in memory intact
1206	local $self->{path};	1681	local $self->{path};
1207	local $self->{load_path};	1682	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		1683
1211	$self->SUPER::thawer_merge ($merge);	1684	$self->SUPER::thawer_merge ($merge);
1212	}	1685	}
1213		1686
1214	sub normalise {	1687	sub normalise {
…		…
1261	$self->init; # pass $1 etc.	1734	$self->init; # pass $1 etc.
1262	return $self;	1735	return $self;
1263	}	1736	}
1264	}	1737	}
1265		1738
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	1739	Carp::cluck "unable to resolve path '$path' (base '$base').";
1267	()	1740	()
1268	}	1741	}
1269		1742
1270	sub init {	1743	sub init {
1271	my ($self) = @_;	1744	my ($self) = @_;
…		…
1286		1759
1287	# the original (read-only) location	1760	# the original (read-only) location
1288	sub load_path {	1761	sub load_path {
1289	my ($self) = @_;	1762	my ($self) = @_;
1290		1763
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1764	"$MAPDIR/$self->{path}.map"
1292	}	1765	}
1293		1766
1294	# the temporary/swap location	1767	# the temporary/swap location
1295	sub save_path {	1768	sub save_path {
1296	my ($self) = @_;	1769	my ($self) = @_;
1297		1770
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1772	"$TMPDIR/$path.map"
1300	}	1773	}
1301		1774
1302	# the unique path, undef == no special unique path	1775	# the unique path, undef == no special unique path
1303	sub uniq_path {	1776	sub uniq_path {
1304	my ($self) = @_;	1777	my ($self) = @_;
1305		1778
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1779	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1780	"$UNIQUEDIR/$path"
1308	}	1781	}
1309		1782
1310	# and all this just because we cannot iterate over	1783	# and all this just because we cannot iterate over
1311	# all maps in C++...	1784	# all maps in C++...
1312	sub change_all_map_light {	1785	sub change_all_map_light {
…		…
1314		1787
1315	$_->change_map_light ($change)	1788	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1789	for grep $_->outdoor, values %cf::MAP;
1317	}	1790	}
1318		1791
		1792	sub decay_objects {
		1793	my ($self) = @_;
		1794
		1795	return if $self->{deny_reset};
		1796
		1797	$self->do_decay_objects;
		1798	}
		1799
1319	sub unlink_save {	1800	sub unlink_save {
1320	my ($self) = @_;	1801	my ($self) = @_;
1321		1802
1322	utf8::encode (my $save = $self->save_path);	1803	utf8::encode (my $save = $self->save_path);
1323	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1326		1807
1327	sub load_header_from($) {	1808	sub load_header_from($) {
1328	my ($self, $path) = @_;	1809	my ($self, $path) = @_;
1329		1810
1330	utf8::encode $path;	1811	utf8::encode $path;
1331	#aio_open $path, O_RDONLY, 0	1812	my $f = new_from_file cf::object::thawer $path
1332	# or return;
1333
1334	$self->_load_header ($path)
1335	or return;	1813	or return;
		1814
		1815	$self->_load_header ($f)
		1816	or return;
		1817
		1818	local $MAP_LOADING{$self->{path}} = $self;
		1819	$f->resolve_delayed_derefs;
1336		1820
1337	$self->{load_path} = $path;	1821	$self->{load_path} = $path;
1338		1822
1339	1	1823	1
1340	}	1824	}
…		…
1379	$self->load_header_orig	1863	$self->load_header_orig
1380	or return;	1864	or return;
1381	$self->prepare_orig;	1865	$self->prepare_orig;
1382	}	1866	}
1383		1867
		1868	$self->{deny_reset} = 1
		1869	if $self->no_reset;
		1870
		1871	$self->default_region (cf::region::find_by_path $self->{path})
		1872	unless $self->default_region;
		1873
1384	1	1874	1
1385	}	1875	}
1386		1876
1387	sub find;	1877	sub find;
1388	sub find {	1878	sub find {
1389	my ($path, $origin) = @_;	1879	my ($path, $origin) = @_;
1390		1880
1391	$path = normalise $path, $origin && $origin->path;	1881	$path = normalise $path, $origin && $origin->path;
1392		1882
		1883	cf::lock_wait "map_data:$path";#d#remove
1393	cf::lock_wait "map_find:$path";	1884	cf::lock_wait "map_find:$path";
1394		1885
1395	$cf::MAP{$path} || do {	1886	$cf::MAP{$path} || do {
1396	my $guard = cf::lock_acquire "map_find:$path";	1887	my $guard1 = cf::lock_acquire "map_find:$path";
		1888	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1889
1397	my $map = new_from_path cf::map $path	1890	my $map = new_from_path cf::map $path
1398	or return;	1891	or return;
1399		1892
1400	$map->{last_save} = $cf::RUNTIME;	1893	$map->{last_save} = $cf::RUNTIME;
1401		1894
1402	$map->load_header	1895	$map->load_header
1403	or return;	1896	or return;
1404		1897
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1898	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	1899	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	1900	#$cf::WAIT_FOR_TICK->wait;
		1901	undef $guard1;
		1902	undef $guard2;
1408	$map->reset;	1903	$map->reset;
1409	undef $guard;
1410	return find $path;	1904	return find $path;
1411	}	1905	}
1412		1906
1413	$cf::MAP{$path} = $map	1907	$cf::MAP{$path} = $map
1414	}	1908	}
…		…
1421	my ($self) = @_;	1915	my ($self) = @_;
1422		1916
1423	local $self->{deny_reset} = 1; # loading can take a long time	1917	local $self->{deny_reset} = 1; # loading can take a long time
1424		1918
1425	my $path = $self->{path};	1919	my $path = $self->{path};
		1920
		1921	{
1426	my $guard = cf::lock_acquire "map_load:$path";	1922	my $guard = cf::lock_acquire "map_data:$path";
1427		1923
		1924	return unless $self->valid;
1428	return if $self->in_memory != cf::MAP_SWAPPED;	1925	return unless $self->in_memory == cf::MAP_SWAPPED;
1429		1926
1430	$self->in_memory (cf::MAP_LOADING);	1927	$self->in_memory (cf::MAP_LOADING);
1431		1928
1432	$self->alloc;	1929	$self->alloc;
1433		1930
1434	$self->pre_load;	1931	$self->pre_load;
		1932	cf::cede_to_tick;
1435		1933
1436	$self->_load_objects ($self->{load_path}, 1)	1934	my $f = new_from_file cf::object::thawer $self->{load_path};
		1935	$f->skip_block;
		1936	$self->_load_objects ($f)
1437	or return;	1937	or return;
1438		1938
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1939	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1440	if delete $self->{load_original};	1940	if delete $self->{load_original};
1441		1941
1442	if (my $uniq = $self->uniq_path) {	1942	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;	1943	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {	1944	unless (aio_stat $uniq) {
		1945	if (my $f = new_from_file cf::object::thawer $uniq) {
1445	$self->clear_unique_items;	1946	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);	1947	$self->_load_objects ($f);
		1948	$f->resolve_delayed_derefs;
		1949	}
1447	}	1950	}
1448	}	1951	}
1449		1952
1450	Coro::cede;	1953	$f->resolve_delayed_derefs;
1451		1954
		1955	cf::cede_to_tick;
1452	# now do the right thing for maps	1956	# now do the right thing for maps
1453	$self->link_multipart_objects;	1957	$self->link_multipart_objects;
1454
1455	unless ($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)	1958	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	1959	unless $self->difficulty;
1463	Coro::cede;	1960	cf::cede_to_tick;
		1961
		1962	unless ($self->{deny_activate}) {
		1963	$self->decay_objects;
		1964	$self->fix_auto_apply;
		1965	$self->update_buttons;
		1966	cf::cede_to_tick;
		1967	$self->set_darkness_map;
		1968	cf::cede_to_tick;
1464	$self->activate;	1969	$self->activate;
		1970	}
		1971
		1972	$self->{last_save} = $cf::RUNTIME;
		1973	$self->last_access ($cf::RUNTIME);
		1974
		1975	$self->in_memory (cf::MAP_IN_MEMORY);
1465	}	1976	}
1466		1977
1467	$self->post_load;	1978	$self->post_load;
1468
1469	$self->in_memory (cf::MAP_IN_MEMORY);
1470	}	1979	}
1471		1980
1472	sub customise_for {	1981	sub customise_for {
1473	my ($self, $ob) = @_;	1982	my ($self, $ob) = @_;
1474		1983
1475	return find "~" . $ob->name . "/" . $self->{path}	1984	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	1985	if $self->per_player;
1477		1986
		1987	# return find "?party/" . $ob->name . "/" . $self->{path}
		1988	# if $self->per_party;
		1989
1478	$self	1990	$self
1479	}	1991	}
1480		1992
1481	# find and load all maps in the 3x3 area around a map	1993	# find and load all maps in the 3x3 area around a map
1482	sub load_diag {	1994	sub load_neighbours {
1483	my ($map) = @_;	1995	my ($map) = @_;
1484		1996
1485	my @diag; # diagonal neighbours	1997	my @neigh; # diagonal neighbours
1486		1998
1487	for (0 .. 3) {	1999	for (0 .. 3) {
1488	my $neigh = $map->tile_path ($_)	2000	my $neigh = $map->tile_path ($_)
1489	or next;	2001	or next;
1490	$neigh = find $neigh, $map	2002	$neigh = find $neigh, $map
1491	or next;	2003	or next;
1492	$neigh->load;	2004	$neigh->load;
1493		2005
		2006	push @neigh,
1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2007	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2008	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1496	}	2009	}
1497		2010
1498	for (@diag) {	2011	for (grep defined $_->[0], @neigh) {
		2012	my ($path, $origin) = @$_;
1499	my $neigh = find @$_	2013	my $neigh = find $path, $origin
1500	or next;	2014	or next;
1501	$neigh->load;	2015	$neigh->load;
1502	}	2016	}
1503	}	2017	}
1504		2018
…		…
1509	}	2023	}
1510		2024
1511	sub do_load_sync {	2025	sub do_load_sync {
1512	my ($map) = @_;	2026	my ($map) = @_;
1513		2027
		2028	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2029	if $Coro::current == $Coro::main;
		2030
1514	cf::sync_job { $map->load };	2031	cf::sync_job { $map->load };
1515	}	2032	}
1516		2033
1517	our %MAP_PREFETCH;	2034	our %MAP_PREFETCH;
1518	our $MAP_PREFETCHER = undef;	2035	our $MAP_PREFETCHER = undef;
1519		2036
1520	sub find_async {	2037	sub find_async {
1521	my ($path, $origin) = @_;	2038	my ($path, $origin, $load) = @_;
1522		2039
1523	$path = normalise $path, $origin && $origin->{path};	2040	$path = normalise $path, $origin && $origin->{path};
1524		2041
1525	if (my $map = $cf::MAP{$path}) {	2042	if (my $map = $cf::MAP{$path}) {
1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2043	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1527	}	2044	}
1528		2045
1529	undef $MAP_PREFETCH{$path};	2046	$MAP_PREFETCH{$path} |= $load;
		2047
1530	$MAP_PREFETCHER ||= cf::async {	2048	$MAP_PREFETCHER ||= cf::async {
1531	while (%MAP_PREFETCH) {	2049	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	2050	while (my ($k, $v) = each %MAP_PREFETCH) {
1533	my $map = find $path	2051	if (my $map = find $k) {
1534	or next;
1535	$map->load;	2052	$map->load if $v;
		2053	}
1536		2054
1537	delete $MAP_PREFETCH{$path};	2055	delete $MAP_PREFETCH{$k};
1538	}	2056	}
1539	}	2057	}
1540	undef $MAP_PREFETCHER;	2058	undef $MAP_PREFETCHER;
1541	};	2059	};
1542	$MAP_PREFETCHER->prio (6);	2060	$MAP_PREFETCHER->prio (6);
…		…
1545	}	2063	}
1546		2064
1547	sub save {	2065	sub save {
1548	my ($self) = @_;	2066	my ($self) = @_;
1549		2067
1550	my $lock = cf::lock_acquire "map_data:" . $self->path;	2068	my $lock = cf::lock_acquire "map_data:$self->{path}";
1551		2069
1552	$self->{last_save} = $cf::RUNTIME;	2070	$self->{last_save} = $cf::RUNTIME;
1553		2071
1554	return unless $self->dirty;	2072	return unless $self->dirty;
1555		2073
…		…
1578	my ($self) = @_;	2096	my ($self) = @_;
1579		2097
1580	# save first because save cedes	2098	# save first because save cedes
1581	$self->save;	2099	$self->save;
1582		2100
1583	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1584		2102
1585	return if $self->players;	2103	return if $self->players;
1586	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1587	return if $self->{deny_save};	2105	return if $self->{deny_save};
1588		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1589	$self->clear;	2111	$self->clear;
1590	$self->in_memory (cf::MAP_SWAPPED);
1591	}	2112	}
1592		2113
1593	sub reset_at {	2114	sub reset_at {
1594	my ($self) = @_;	2115	my ($self) = @_;
1595		2116
1596	# TODO: safety, remove and allow resettable per-player maps	2117	# 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};	2118	return 1e99 if $self->{deny_reset};
1599		2119
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602		2122
…		…
1613	my ($self) = @_;	2133	my ($self) = @_;
1614		2134
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2136
1617	return if $self->players;	2137	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2138
1620	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
1621		2140
1622	$self->in_memory (cf::MAP_SWAPPED);	2141	$self->in_memory (cf::MAP_SWAPPED);
1623		2142
1624	# need to save uniques path	2143	# need to save uniques path
1625	unless ($self->{deny_save}) {	2144	unless ($self->{deny_save}) {
…		…
1629	if $uniq;	2148	if $uniq;
1630	}	2149	}
1631		2150
1632	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1633		2152
		2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1634	$self->clear;	2155	$self->clear;
1635
1636	$_->clear_links_to ($self) for values %cf::MAP;
1637		2156
1638	$self->unlink_save;	2157	$self->unlink_save;
1639	$self->destroy;	2158	$self->destroy;
1640	}	2159	}
1641		2160
1642	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1643		2162
1644	sub nuke {	2163	sub nuke {
1645	my ($self) = @_;	2164	my ($self) = @_;
1646		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1647	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1648		2170
1649	$self->unlink_save;	2171	$self->unlink_save;
1650		2172
1651	bless $self, "cf::map";	2173	bless $self, "cf::map";
1652	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1653	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1654	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656		2178
1657	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1658		2181
1659	$self->reset; # polite request, might not happen	2182	$self->reset; # polite request, might not happen
		2183	}
		2184
		2185	=item $maps = cf::map::tmp_maps
		2186
		2187	Returns an arrayref with all map paths of currently instantiated and saved
		2188	maps. May block.
		2189
		2190	=cut
		2191
		2192	sub tmp_maps() {
		2193	[
		2194	map {
		2195	utf8::decode $_;
		2196	/\.map$/
		2197	? normalise $_
		2198	: ()
		2199	} @{ aio_readdir $TMPDIR or [] }
		2200	]
		2201	}
		2202
		2203	=item $maps = cf::map::random_maps
		2204
		2205	Returns an arrayref with all map paths of currently instantiated and saved
		2206	random maps. May block.
		2207
		2208	=cut
		2209
		2210	sub random_maps() {
		2211	[
		2212	map {
		2213	utf8::decode $_;
		2214	/\.map$/
		2215	? normalise "?random/$_"
		2216	: ()
		2217	} @{ aio_readdir $RANDOMDIR or [] }
		2218	]
1660	}	2219	}
1661		2220
1662	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1663		2222
1664	Returns an arrayref of paths of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2224	instantiated unique items. May block.
1666		2225
1667	=cut	2226	=cut
1668		2227
1669	sub unique_maps() {	2228	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2229	[
1671	or return;	2230	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2231	utf8::decode $_;
1677	next if /\.pst$/;	2232	/\.map$/
1678	next unless /^$PATH_SEP/o;	2233	? normalise $_
1679		2234	: ()
1680	push @paths, cf::map::normalise $_;	2235	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2236	]
1682
1683	\@paths
1684	}	2237	}
1685		2238
1686	package cf;	2239	package cf;
1687		2240
1688	=back	2241	=back
…		…
1706	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1707	}	2260	}
1708		2261
1709	sub inv_recursive {	2262	sub inv_recursive {
1710	inv_recursive_ inv $_[0]	2263	inv_recursive_ inv $_[0]
		2264	}
		2265
		2266	=item $ref = $ob->ref
		2267
		2268	creates and returns a persistent reference to an objetc that can be stored as a string.
		2269
		2270	=item $ob = cf::object::deref ($refstring)
		2271
		2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2273	even if the object actually exists. May block.
		2274
		2275	=cut
		2276
		2277	sub deref {
		2278	my ($ref) = @_;
		2279
		2280	# temporary compatibility#TODO#remove
		2281	$ref =~ s{^<}{player/<};
		2282
		2283	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2284	my ($uuid, $name) = ($1, $2);
		2285	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2286	or return;
		2287	$pl->ob->uuid eq $uuid
		2288	or return;
		2289
		2290	$pl->ob
		2291	} else {
		2292	warn "$ref: cannot resolve object reference\n";
		2293	undef
		2294	}
1711	}	2295	}
1712		2296
1713	package cf;	2297	package cf;
1714		2298
1715	=back	2299	=back
…		…
1734		2318
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2319	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2320
1737	if ($self->{record_replies}) {	2321	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2322	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2323
1739	} else {	2324	} else {
		2325	my $pl = $self->contr;
		2326
		2327	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2328	my $dialog = $pl->{npc_dialog};
		2329	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2330
		2331	} else {
1740	$msg = $npc->name . " says: $msg" if $npc;	2332	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2333	$self->message ($msg, $flags);
		2334	}
1742	}	2335	}
		2336	}
		2337
		2338	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2339
		2340	=cut
		2341
		2342	sub cf::object::send_msg {
		2343	my $pl = shift->contr
		2344	or return;
		2345	$pl->send_msg (@_);
1743	}	2346	}
1744		2347
1745	=item $player_object->may ("access")	2348	=item $player_object->may ("access")
1746		2349
1747	Returns wether the given player is authorized to access resource "access"	2350	Returns wether the given player is authorized to access resource "access"
…		…
1794	$self->deactivate_recursive;	2397	$self->deactivate_recursive;
1795		2398
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2399	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2400
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2401	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2402	if $self->map && $self->map->{path} ne "{link}";
1800		2403
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2404	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1802	}	2405	}
1803		2406
1804	sub cf::object::player::leave_link {	2407	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2408	my ($self, $map, $x, $y) = @_;
		2409
		2410	return unless $self->contr->active;
1806		2411
1807	my $link_pos = delete $self->{_link_pos};	2412	my $link_pos = delete $self->{_link_pos};
1808		2413
1809	unless ($map) {	2414	unless ($map) {
1810	# restore original map position	2415	# restore original map position
…		…
1824	# use -1 or undef as default coordinates, not 0, 0	2429	# use -1 or undef as default coordinates, not 0, 0
1825	($x, $y) = ($map->enter_x, $map->enter_y)	2430	($x, $y) = ($map->enter_x, $map->enter_y)
1826	if $x <=0 && $y <= 0;	2431	if $x <=0 && $y <= 0;
1827		2432
1828	$map->load;	2433	$map->load;
1829	$map->load_diag;	2434	$map->load_neighbours;
1830		2435
1831	return unless $self->contr->active;	2436	return unless $self->contr->active;
1832	$self->activate_recursive;	2437	$self->activate_recursive;
1833		2438
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2439	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2440	$self->enter_map ($map, $x, $y);
1836	}	2441	}
1837		2442
1838	cf::player->attach (	2443	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1839	on_logout => sub {
1840	my ($pl) = @_;
1841		2444
1842	# abort map switching before logout	2445	Moves the player to the given map-path and coordinates by first freezing
1843	if ($pl->ob->{_link_pos}) {	2446	her, loading and preparing them map, calling the provided $check callback
1844	cf::sync_job {	2447	that has to return the map if sucecssful, and then unfreezes the player on
1845	$pl->ob->leave_link	2448	the new (success) or old (failed) map position. In either case, $done will
1846	};	2449	be called at the end of this process.
1847	}
1848	},
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2450
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	2451	=cut
		2452
		2453	our $GOTOGEN;
1873		2454
1874	sub cf::object::player::goto {	2455	sub cf::object::player::goto {
1875	my ($self, $path, $x, $y) = @_;	2456	my ($self, $path, $x, $y, $check, $done) = @_;
		2457
		2458	# do generation counting so two concurrent goto's will be executed in-order
		2459	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1876		2460
1877	$self->enter_link;	2461	$self->enter_link;
1878		2462
1879	(async {	2463	(async {
		2464	# *tag paths override both path and x|y
		2465	if ($path =~ /^\*(.*)$/) {
		2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2467	my $ob = $obs[rand @obs];
		2468
		2469	# see if we actually can go there
		2470	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2471	$ob = $obs[rand @obs];
		2472	} else {
		2473	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2474	}
		2475	# else put us there anyways for now #d#
		2476
		2477	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2478	} else {
		2479	($path, $x, $y) = (undef, undef, undef);
		2480	}
		2481	}
		2482
1880	my $map = eval {	2483	my $map = eval {
1881	my $map = cf::map::find $path;	2484	my $map = defined $path ? cf::map::find $path : undef;
		2485
		2486	if ($map) {
1882	$map = $map->customise_for ($self) if $map;	2487	$map = $map->customise_for ($self);
		2488	$map = $check->($map) if $check && $map;
		2489	} else {
		2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2491	}
		2492
1883	$map	2493	$map
		2494	};
		2495
		2496	if ($@) {
		2497	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2498	LOG llevError | logBacktrace, Carp::longmess $@;
1884	} or	2499	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2500
		2501	if ($gen == $self->{_goto_generation}) {
		2502	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
		2504	}
		2505
		2506	$done->() if $done;
1888	})->prio (1);	2507	})->prio (1);
1889	}	2508	}
1890		2509
1891	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
1892		2511
…		…
1931		2550
1932	$rmp->{random_seed} ||= $exit->random_seed;	2551	$rmp->{random_seed} ||= $exit->random_seed;
1933		2552
1934	my $data = cf::to_json $rmp;	2553	my $data = cf::to_json $rmp;
1935	my $md5 = Digest::MD5::md5_hex $data;	2554	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2555	my $meta = "$RANDOMDIR/$md5.meta";
1937		2556
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2558	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2559	undef $fh;
1941	aio_rename "$meta~", $meta;	2560	aio_rename "$meta~", $meta;
…		…
1950		2569
1951	return unless $self->type == cf::PLAYER;	2570	return unless $self->type == cf::PLAYER;
1952		2571
1953	if ($exit->slaying eq "/!") {	2572	if ($exit->slaying eq "/!") {
1954	#TODO: this should de-fi-ni-te-ly not be a sync-job	2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2574	# the problem is that $exit might not survive long enough
		2575	# so it needs to be done right now, right here
1955	cf::sync_job { prepare_random_map $exit };	2576	cf::sync_job { prepare_random_map $exit };
1956	}	2577	}
1957		2578
1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959	my $hp = $exit->stats->hp;	2580	my $hp = $exit->stats->hp;
1960	my $sp = $exit->stats->sp;	2581	my $sp = $exit->stats->sp;
1961		2582
1962	$self->enter_link;	2583	$self->enter_link;
		2584
		2585	# if exit is damned, update players death & WoR home-position
		2586	$self->contr->savebed ($slaying, $hp, $sp)
		2587	if $exit->flag (FLAG_DAMNED);
1963		2588
1964	(async {	2589	(async {
1965	$self->deactivate_recursive; # just to be sure	2590	$self->deactivate_recursive; # just to be sure
1966	unless (eval {	2591	unless (eval {
1967	$self->goto ($slaying, $hp, $sp);	2592	$self->goto ($slaying, $hp, $sp);
1968		2593
1969	1;	2594	1;
1970	}) {	2595	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	2596	$self->message ("Something went wrong deep within the crossfire server. "
1972	. "I'll try to bring you back to the map you were before. "	2597	. "I'll try to bring you back to the map you were before. "
1973	. "Please report this to the dungeon master!",	2598	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	2599	cf::NDI_UNIQUE | cf::NDI_RED);
1975		2600
1976	warn "ERROR in enter_exit: $@";	2601	warn "ERROR in enter_exit: $@";
1977	$self->leave_link;	2602	$self->leave_link;
1978	}	2603	}
1979	})->prio (1);	2604	})->prio (1);
…		…
1992		2617
1993	sub cf::client::send_drawinfo {	2618	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	2619	my ($self, $text, $flags) = @_;
1995		2620
1996	utf8::encode $text;	2621	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2622	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	2623	}
1999		2624
		2625	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2626
		2627	Send a drawinfo or msg packet to the client, formatting the msg for the
		2628	client if neccessary. C<$type> should be a string identifying the type of
		2629	the message, with C<log> being the default. If C<$color> is negative, suppress
		2630	the message unless the client supports the msg packet.
		2631
		2632	=cut
		2633
		2634	our %CHANNEL = (
		2635	"c/identify" => {
		2636	id => "identify",
		2637	title => "Identify",
		2638	reply => undef,
		2639	tooltip => "Items recently identified",
		2640	},
		2641	"c/examine" => {
		2642	id => "examine",
		2643	title => "Examine",
		2644	reply => undef,
		2645	tooltip => "Signs and other items you examined",
		2646	},
		2647	);
		2648
		2649	sub cf::client::send_msg {
		2650	my ($self, $channel, $msg, $color, @extra) = @_;
		2651
		2652	$msg = $self->pl->expand_cfpod ($msg);
		2653
		2654	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2655
		2656	# check predefined channels, for the benefit of C
		2657	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2658
		2659	if (ref $channel) {
		2660	# send meta info to client, if not yet sent
		2661	unless (exists $self->{channel}{$channel->{id}}) {
		2662	$self->{channel}{$channel->{id}} = $channel;
		2663	$self->ext_msg (channel_info => $channel)
		2664	if $self->can_msg;
		2665	}
		2666
		2667	$channel = $channel->{id};
		2668	}
		2669
		2670	return unless @extra || length $msg;
		2671
		2672	if ($self->can_msg) {
		2673	# default colour, mask it out
		2674	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2675	if $color & cf::NDI_DEF;
		2676
		2677	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2678	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2679	} else {
		2680	if ($color >= 0) {
		2681	# replace some tags by gcfclient-compatible ones
		2682	for ($msg) {
		2683	1 while
		2684	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2685	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2686	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2687	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2688	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2689	}
		2690
		2691	$color &= cf::NDI_COLOR_MASK;
		2692
		2693	utf8::encode $msg;
		2694
		2695	if (0 && $msg =~ /\[/) {
		2696	# COMMAND/INFO
		2697	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2698	} else {
		2699	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2700	$self->send_packet ("drawinfo $color $msg")
		2701	}
		2702	}
		2703	}
		2704	}
		2705
		2706	=item $client->ext_msg ($type, @msg)
		2707
		2708	Sends an ext event to the client.
		2709
		2710	=cut
		2711
		2712	sub cf::client::ext_msg($$@) {
		2713	my ($self, $type, @msg) = @_;
		2714
		2715	if ($self->extcmd == 2) {
		2716	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2717	} elsif ($self->extcmd == 1) { # TODO: remove
		2718	push @msg, msgtype => "event_$type";
		2719	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2720	}
		2721	}
		2722
		2723	=item $client->ext_reply ($msgid, @msg)
		2724
		2725	Sends an ext reply to the client.
		2726
		2727	=cut
		2728
		2729	sub cf::client::ext_reply($$@) {
		2730	my ($self, $id, @msg) = @_;
		2731
		2732	if ($self->extcmd == 2) {
		2733	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2734	} elsif ($self->extcmd == 1) {
		2735	#TODO: version 1, remove
		2736	unshift @msg, msgtype => "reply", msgid => $id;
		2737	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2738	}
		2739	}
2000		2740
2001	=item $success = $client->query ($flags, "text", \&cb)	2741	=item $success = $client->query ($flags, "text", \&cb)
2002		2742
2003	Queues a query to the client, calling the given callback with	2743	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>,	2744	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>.	2745	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2006		2746
2007	Queries can fail, so check the return code. Or don't, as queries will become	2747	Queries can fail, so check the return code. Or don't, as queries will
2008	reliable at some point in the future.	2748	become reliable at some point in the future.
2009		2749
2010	=cut	2750	=cut
2011		2751
2012	sub cf::client::query {	2752	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	2753	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	2761	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2762	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		2763
2024	$self->send_packet ($self->{query_queue}[0][0])	2764	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	2765	if @{ $self->{query_queue} } == 1;
		2766
		2767	1
2026	}	2768	}
2027		2769
2028	cf::client->attach (	2770	cf::client->attach (
		2771	on_connect => sub {
		2772	my ($ns) = @_;
		2773
		2774	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2775	},
2029	on_reply => sub {	2776	on_reply => sub {
2030	my ($ns, $msg) = @_;	2777	my ($ns, $msg) = @_;
2031		2778
2032	# this weird shuffling is so that direct followup queries	2779	# this weird shuffling is so that direct followup queries
2033	# get handled first	2780	# get handled first
…		…
2045	} else {	2792	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2793	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	2794	}
2048	}	2795	}
2049	},	2796	},
		2797	on_exticmd => sub {
		2798	my ($ns, $buf) = @_;
		2799
		2800	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2801
		2802	if (ref $msg) {
		2803	my ($type, $reply, @payload) =
		2804	"ARRAY" eq ref $msg
		2805	? @$msg
		2806	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2807
		2808	my @reply;
		2809
		2810	if (my $cb = $EXTICMD{$type}) {
		2811	@reply = $cb->($ns, @payload);
		2812	}
		2813
		2814	$ns->ext_reply ($reply, @reply)
		2815	if $reply;
		2816
		2817	} else {
		2818	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2819	}
		2820
		2821	cf::override;
		2822	},
2050	);	2823	);
2051		2824
2052	=item $client->async (\&cb)	2825	=item $client->async (\&cb)
2053		2826
2054	Create a new coroutine, running the specified callback. The coroutine will	2827	Create a new coroutine, running the specified callback. The coroutine will
…		…
2095	our $safe = new Safe "safe";	2868	our $safe = new Safe "safe";
2096	our $safe_hole = new Safe::Hole;	2869	our $safe_hole = new Safe::Hole;
2097		2870
2098	$SIG{FPE} = 'IGNORE';	2871	$SIG{FPE} = 'IGNORE';
2099		2872
2100	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2873	$safe->permit_only (Opcode::opset qw(
		2874	:base_core :base_mem :base_orig :base_math
		2875	grepstart grepwhile mapstart mapwhile
		2876	sort time
		2877	));
2101		2878
2102	# here we export the classes and methods available to script code	2879	# here we export the classes and methods available to script code
2103		2880
2104	=pod	2881	=pod
2105		2882
2106	The following fucntions and emthods are available within a safe environment:	2883	The following functions and methods are available within a safe environment:
2107		2884
2108	cf::object contr pay_amount pay_player map	2885	cf::object
		2886	contr pay_amount pay_player map x y force_find force_add
		2887	insert remove name archname title slaying race decrease_ob_nr
		2888
2109	cf::object::player player	2889	cf::object::player
2110	cf::player peaceful	2890	player
2111	cf::map trigger	2891
		2892	cf::player
		2893	peaceful
		2894
		2895	cf::map
		2896	trigger
2112		2897
2113	=cut	2898	=cut
2114		2899
2115	for (	2900	for (
2116	["cf::object" => qw(contr pay_amount pay_player map)],	2901	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2902	insert remove inv name archname title slaying race
		2903	decrease_ob_nr)],
2117	["cf::object::player" => qw(player)],	2904	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	2905	["cf::player" => qw(peaceful)],
2119	["cf::map" => qw(trigger)],	2906	["cf::map" => qw(trigger)],
2120	) {	2907	) {
2121	no strict 'refs';	2908	no strict 'refs';
…		…
2192	=back	2979	=back
2193		2980
2194	=cut	2981	=cut
2195		2982
2196	#############################################################################	2983	#############################################################################
2197
2198	=head2 EXTENSION DATABASE SUPPORT
2199
2200	Crossfire maintains a very simple database for extension use. It can
2201	currently store anything that can be serialised using Storable, which
2202	excludes objects.
2203
2204	The parameter C<$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 $_[2], 0, sub { };
2266	}
2267
2268	#############################################################################
2269	# the server's init and main functions	2984	# the server's init and main functions
2270		2985
2271	sub init_resources {	2986	sub load_facedata($) {
2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2987	my ($path) = @_;
		2988
		2989	# HACK to clear player env face cache, we need some signal framework
		2990	# for this (global event?)
		2991	%ext::player_env::MUSIC_FACE_CACHE = ();
		2992
		2993	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2994
		2995	warn "loading facedata from $path\n";
		2996
		2997	my $facedata;
		2998	0 < aio_load $path, $facedata
		2999	or die "$path: $!";
		3000
		3001	$facedata = Coro::Storable::thaw $facedata;
		3002
		3003	$facedata->{version} == 2
		3004	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3005
		3006	# patch in the exptable
		3007	$facedata->{resource}{"res/exp_table"} = {
		3008	type => FT_RSRC,
		3009	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3010	};
		3011	cf::cede_to_tick;
		3012
		3013	{
		3014	my $faces = $facedata->{faceinfo};
		3015
		3016	while (my ($face, $info) = each %$faces) {
		3017	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3018	cf::face::set_visibility $idx, $info->{visibility};
		3019	cf::face::set_magicmap $idx, $info->{magicmap};
		3020	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3021	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3022
		3023	cf::cede_to_tick;
		3024	}
		3025
		3026	while (my ($face, $info) = each %$faces) {
		3027	next unless $info->{smooth};
		3028	my $idx = cf::face::find $face
		3029	or next;
		3030	if (my $smooth = cf::face::find $info->{smooth}) {
		3031	cf::face::set_smooth $idx, $smooth;
		3032	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3033	} else {
		3034	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3035	}
		3036
		3037	cf::cede_to_tick;
		3038	}
		3039	}
		3040
		3041	{
		3042	my $anims = $facedata->{animinfo};
		3043
		3044	while (my ($anim, $info) = each %$anims) {
		3045	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3046	cf::cede_to_tick;
		3047	}
		3048
		3049	cf::anim::invalidate_all; # d'oh
		3050	}
		3051
		3052	{
		3053	# TODO: for gcfclient pleasure, we should give resources
		3054	# that gcfclient doesn't grok a >10000 face index.
		3055	my $res = $facedata->{resource};
		3056
		3057	my $soundconf = delete $res->{"res/sound.conf"};
		3058
		3059	while (my ($name, $info) = each %$res) {
		3060	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3061	my $data;
		3062
		3063	if ($info->{type} & 1) {
		3064	# prepend meta info
		3065
		3066	my $meta = $enc->encode ({
		3067	name => $name,
		3068	%{ $info->{meta} || {} },
		3069	});
		3070
		3071	$data = pack "(w/a*)*", $meta, $info->{data};
		3072	} else {
		3073	$data = $info->{data};
		3074	}
		3075
		3076	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3077	cf::face::set_type $idx, $info->{type};
		3078
		3079	cf::cede_to_tick;
		3080	}
		3081
		3082	if ($soundconf) {
		3083	$soundconf = $enc->decode (delete $soundconf->{data});
		3084
		3085	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3086	my $sound = $soundconf->{compat}[$_]
		3087	or next;
		3088
		3089	my $face = cf::face::find "sound/$sound->[1]";
		3090	cf::sound::set $sound->[0] => $face;
		3091	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3092	}
		3093
		3094	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3095	my $face = cf::face::find "sound/$v";
		3096	cf::sound::set $k => $face;
		3097	}
		3098	}
		3099	}
		3100
		3101	1
		3102	}
		3103
		3104	register_exticmd fx_want => sub {
		3105	my ($ns, $want) = @_;
		3106
		3107	while (my ($k, $v) = each %$want) {
		3108	$ns->fx_want ($k, $v);
		3109	}
		3110	};
		3111
		3112	sub reload_regions {
		3113	# HACK to clear player env face cache, we need some signal framework
		3114	# for this (global event?)
		3115	%ext::player_env::MUSIC_FACE_CACHE = ();
		3116
		3117	load_resource_file "$MAPDIR/regions"
2273	or die "unable to load regions file\n";#d#	3118	or die "unable to load regions file\n";
2274	}
2275		3119
2276	sub cfg_load {	3120	for (cf::region::list) {
		3121	$_->{match} = qr/$_->{match}/
		3122	if exists $_->{match};
		3123	}
		3124	}
		3125
		3126	sub reload_facedata {
		3127	load_facedata "$DATADIR/facedata"
		3128	or die "unable to load facedata\n";
		3129	}
		3130
		3131	sub reload_archetypes {
		3132	load_resource_file "$DATADIR/archetypes"
		3133	or die "unable to load archetypes\n";
		3134	#d# NEED to laod twice to resolve forward references
		3135	# this really needs to be done in an extra post-pass
		3136	# (which needs to be synchronous, so solve it differently)
		3137	load_resource_file "$DATADIR/archetypes"
		3138	or die "unable to load archetypes\n";
		3139	}
		3140
		3141	sub reload_treasures {
		3142	load_resource_file "$DATADIR/treasures"
		3143	or die "unable to load treasurelists\n";
		3144	}
		3145
		3146	sub reload_resources {
		3147	warn "reloading resource files...\n";
		3148
		3149	reload_regions;
		3150	reload_facedata;
		3151	#reload_archetypes;#d#
		3152	reload_archetypes;
		3153	reload_treasures;
		3154
		3155	warn "finished reloading resource files\n";
		3156	}
		3157
		3158	sub init {
		3159	reload_resources;
		3160	}
		3161
		3162	sub reload_config {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3163	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3164	or return;
2279		3165
2280	local $/;	3166	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3167	*CFG = YAML::Syck::Load <$fh>;
2282		3168
…		…
2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3176	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2291	and die "WARNING: m(un)lockall failed: $!\n";	3177	and die "WARNING: m(un)lockall failed: $!\n";
2292	};	3178	};
2293	warn $@ if $@;	3179	warn $@ if $@;
2294	}	3180	}
2295	}
2296
2297	sub init {
2298	init_resources;
2299	}	3181	}
2300		3182
2301	sub main {	3183	sub main {
2302	# we must not ever block the main coroutine	3184	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	3185	local $Coro::idle = sub {
…		…
2305	(async {	3187	(async {
2306	Event::one_event;	3188	Event::one_event;
2307	})->prio (Coro::PRIO_MAX);	3189	})->prio (Coro::PRIO_MAX);
2308	};	3190	};
2309		3191
2310	cfg_load;	3192	reload_config;
2311	db_init;	3193	db_init;
2312	load_extensions;	3194	load_extensions;
2313		3195
2314	$TICK_WATCHER->start;	3196	$TICK_WATCHER->start;
2315	Event::loop;	3197	Event::loop;
…		…
2331	},	3213	},
2332	);	3214	);
2333	}	3215	}
2334	}	3216	}
2335		3217
		3218	sub write_runtime {
		3219	my $runtime = "$LOCALDIR/runtime";
		3220
		3221	# first touch the runtime file to show we are still running:
		3222	# the fsync below can take a very very long time.
		3223
		3224	IO::AIO::aio_utime $runtime, undef, undef;
		3225
		3226	my $guard = cf::lock_acquire "write_runtime";
		3227
		3228	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3229	or return;
		3230
		3231	my $value = $cf::RUNTIME + 90 + 10;
		3232	# 10 is the runtime save interval, for a monotonic clock
		3233	# 60 allows for the watchdog to kill the server.
		3234
		3235	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3236	and return;
		3237
		3238	# always fsync - this file is important
		3239	aio_fsync $fh
		3240	and return;
		3241
		3242	# touch it again to show we are up-to-date
		3243	aio_utime $fh, undef, undef;
		3244
		3245	close $fh
		3246	or return;
		3247
		3248	aio_rename "$runtime~", $runtime
		3249	and return;
		3250
		3251	warn "runtime file written.\n";
		3252
		3253	1
		3254	}
		3255
2336	sub emergency_save() {	3256	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	3257	my $freeze_guard = cf::freeze_mainloop;
2338		3258
2339	warn "enter emergency perl save\n";	3259	warn "enter emergency perl save\n";
2340		3260
…		…
2371		3291
2372	warn Carp::longmess "post_cleanup backtrace"	3292	warn Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	3293	if $make_core;
2374	}	3294	}
2375		3295
2376	sub reload() {	3296	sub do_reload_perl() {
2377	# can/must only be called in main	3297	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	3298	if ($Coro::current != $Coro::main) {
2379	warn "can only reload from main coroutine";	3299	warn "can only reload from main coroutine";
2380	return;	3300	return;
2381	}	3301	}
…		…
2406	Coro::cede;	3326	Coro::cede;
2407	last unless IO::AIO::nreqs || BDB::nreqs;	3327	last unless IO::AIO::nreqs || BDB::nreqs;
2408	warn "iterate...";	3328	warn "iterate...";
2409	}	3329	}
2410		3330
		3331	++$RELOAD;
		3332
2411	warn "cancelling all extension coros";	3333	warn "cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;	3334	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();	3335	%EXT_CORO = ();
2414		3336
2415	warn "removing commands";	3337	warn "removing commands";
2416	%COMMAND = ();	3338	%COMMAND = ();
2417		3339
2418	warn "removing ext commands";	3340	warn "removing ext/exti commands";
2419	%EXTCMD = ();	3341	%EXTCMD = ();
		3342	%EXTICMD = ();
2420		3343
2421	warn "unloading/nuking all extensions";	3344	warn "unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {	3345	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";	3346	warn "... unloading $pkg";
2424		3347
…		…
2454	Symbol::delete_package "safe::$_"	3377	Symbol::delete_package "safe::$_"
2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456		3379
2457	warn "unloading cf.pm \"a bit\"";	3380	warn "unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	3381	delete $INC{"cf.pm"};
		3382	delete $INC{"cf/pod.pm"};
2459		3383
2460	# don't, removes xs symbols, too,	3384	# don't, removes xs symbols, too,
2461	# and global variables created in xs	3385	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	3386	#Symbol::delete_package __PACKAGE__;
2463		3387
…		…
2466	warn "reloading cf.pm";	3390	warn "reloading cf.pm";
2467	require cf;	3391	require cf;
2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3392	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2469		3393
2470	warn "loading config and database again";	3394	warn "loading config and database again";
2471	cf::cfg_load;	3395	cf::reload_config;
2472		3396
2473	warn "loading extensions";	3397	warn "loading extensions";
2474	cf::load_extensions;	3398	cf::load_extensions;
2475		3399
2476	warn "reattaching attachments to objects/players";	3400	warn "reattaching attachments to objects/players";
2477	_global_reattach;	3401	_global_reattach; # objects, sockets
2478	warn "reattaching attachments to maps";	3402	warn "reattaching attachments to maps";
2479	reattach $_ for values %MAP;	3403	reattach $_ for values %MAP;
2480		3404	warn "reattaching attachments to players";
2481	warn "loading reloadable resources";	3405	reattach $_ for values %PLAYER;
2482	init_resources;
2483		3406
2484	warn "leaving sync_job";	3407	warn "leaving sync_job";
2485		3408
2486	1	3409	1
2487	} or do {	3410	} or do {
…		…
2493	warn "reloaded";	3416	warn "reloaded";
2494	};	3417	};
2495		3418
2496	our $RELOAD_WATCHER; # used only during reload	3419	our $RELOAD_WATCHER; # used only during reload
2497		3420
		3421	sub reload_perl() {
		3422	# doing reload synchronously and two reloads happen back-to-back,
		3423	# coro crashes during coro_state_free->destroy here.
		3424
		3425	$RELOAD_WATCHER ||= Event->timer (
		3426	reentrant => 0,
		3427	after => 0,
		3428	data => WF_AUTOCANCEL,
		3429	cb => sub {
		3430	do_reload_perl;
		3431	undef $RELOAD_WATCHER;
		3432	},
		3433	);
		3434	}
		3435
2498	register_command "reload" => sub {	3436	register_command "reload" => sub {
2499	my ($who, $arg) = @_;	3437	my ($who, $arg) = @_;
2500		3438
2501	if ($who->flag (FLAG_WIZ)) {	3439	if ($who->flag (FLAG_WIZ)) {
2502	$who->message ("reloading server.");	3440	$who->message ("reloading server.");
2503		3441	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	}	3442	}
2517	};	3443	};
2518		3444
2519	unshift @INC, $LIBDIR;	3445	unshift @INC, $LIBDIR;
2520		3446
2521	my $bug_warning = 0;	3447	my $bug_warning = 0;
		3448
		3449	our @WAIT_FOR_TICK;
		3450	our @WAIT_FOR_TICK_BEGIN;
		3451
		3452	sub wait_for_tick {
		3453	return unless $TICK_WATCHER->is_active;
		3454	return if $Coro::current == $Coro::main;
		3455
		3456	my $signal = new Coro::Signal;
		3457	push @WAIT_FOR_TICK, $signal;
		3458	$signal->wait;
		3459	}
		3460
		3461	sub wait_for_tick_begin {
		3462	return unless $TICK_WATCHER->is_active;
		3463	return if $Coro::current == $Coro::main;
		3464
		3465	my $signal = new Coro::Signal;
		3466	push @WAIT_FOR_TICK_BEGIN, $signal;
		3467	$signal->wait;
		3468	}
2522		3469
2523	$TICK_WATCHER = Event->timer (	3470	$TICK_WATCHER = Event->timer (
2524	reentrant => 0,	3471	reentrant => 0,
2525	parked => 1,	3472	parked => 1,
2526	prio => 0,	3473	prio => 0,
…		…
2531	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3478	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2532	unless ++$bug_warning > 10;	3479	unless ++$bug_warning > 10;
2533	return;	3480	return;
2534	}	3481	}
2535		3482
2536	$NOW = Event::time;	3483	$NOW = $tick_start = Event::time;
2537		3484
2538	cf::server_tick; # one server iteration	3485	cf::server_tick; # one server iteration
		3486
2539	$RUNTIME += $TICK;	3487	$RUNTIME += $TICK;
2540	$NEXT_TICK += $TICK;	3488	$NEXT_TICK += $TICK;
2541		3489
2542	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2543	$NEXT_RUNTIME_WRITE = $NOW + 10;	3491	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2545	write_runtime	3493	write_runtime
2546	or warn "ERROR: unable to write runtime file: $!";	3494	or warn "ERROR: unable to write runtime file: $!";
2547	};	3495	};
2548	}	3496	}
2549		3497
2550	$WAIT_FOR_TICK->broadcast;	3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2551	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3499	$sig->send;
		3500	}
		3501	while (my $sig = shift @WAIT_FOR_TICK) {
		3502	$sig->send;
		3503	}
2552		3504
2553	# my $AFTER = Event::time;	3505	$NOW = Event::time;
2554	# warn $AFTER - $NOW;#d#
2555		3506
2556	# if we are delayed by four ticks or more, skip them all	3507	# if we are delayed by four ticks or more, skip them all
2557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3508	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2558		3509
2559	$TICK_WATCHER->at ($NEXT_TICK);	3510	$TICK_WATCHER->at ($NEXT_TICK);
2560	$TICK_WATCHER->start;	3511	$TICK_WATCHER->start;
		3512
		3513	$LOAD = ($NOW - $tick_start) / $TICK;
		3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3515
		3516	_post_tick;
2561	},	3517	},
2562	);	3518	);
2563		3519
2564	{	3520	{
		3521	BDB::min_parallel 8;
2565	BDB::max_poll_time $TICK * 0.1;	3522	BDB::max_poll_time $TICK * 0.1;
2566	$BDB_POLL_WATCHER = Event->io (	3523	$BDB_POLL_WATCHER = Event->io (
2567	reentrant => 0,	3524	reentrant => 0,
2568	fd => BDB::poll_fileno,	3525	fd => BDB::poll_fileno,
2569	poll => 'r',	3526	poll => 'r',
2570	prio => 0,	3527	prio => 0,
2571	data => WF_AUTOCANCEL,	3528	data => WF_AUTOCANCEL,
2572	cb => \&BDB::poll_cb,	3529	cb => \&BDB::poll_cb,
2573	);	3530	);
2574	BDB::min_parallel 8;
2575		3531
2576	BDB::set_sync_prepare {	3532	BDB::set_sync_prepare {
2577	my $status;	3533	my $status;
2578	my $current = $Coro::current;	3534	my $current = $Coro::current;
2579	(	3535	(
…		…
2588	)	3544	)
2589	};	3545	};
2590		3546
2591	unless ($DB_ENV) {	3547	unless ($DB_ENV) {
2592	$DB_ENV = BDB::db_env_create;	3548	$DB_ENV = BDB::db_env_create;
		3549	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3550	| BDB::LOG_AUTOREMOVE, 1);
		3551	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3552	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2593		3553
2594	cf::sync_job {	3554	cf::sync_job {
2595	eval {	3555	eval {
2596	BDB::db_env_open	3556	BDB::db_env_open
2597	$DB_ENV,	3557	$DB_ENV,
2598	$BDB_ENV_DIR,	3558	$BDBDIR,
2599	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3559	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2600	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3560	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2601	0666;	3561	0666;
2602		3562
2603	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3563	cf::cleanup "db_env_open($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	};	3564	};
2608		3565
2609	cf::cleanup "db_env_open(db): $@" if $@;	3566	cf::cleanup "db_env_open(db): $@" if $@;
2610	};	3567	};
2611	}	3568	}
		3569
		3570	$BDB_DEADLOCK_WATCHER = Event->timer (
		3571	after => 3,
		3572	interval => 1,
		3573	hard => 1,
		3574	prio => 0,
		3575	data => WF_AUTOCANCEL,
		3576	cb => sub {
		3577	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3578	},
		3579	);
		3580	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3581	after => 11,
		3582	interval => 60,
		3583	hard => 1,
		3584	prio => 0,
		3585	data => WF_AUTOCANCEL,
		3586	cb => sub {
		3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3588	},
		3589	);
		3590	$BDB_TRICKLE_WATCHER = Event->timer (
		3591	after => 5,
		3592	interval => 10,
		3593	hard => 1,
		3594	prio => 0,
		3595	data => WF_AUTOCANCEL,
		3596	cb => sub {
		3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3598	},
		3599	);
2612	}	3600	}
2613		3601
2614	{	3602	{
2615	IO::AIO::min_parallel 8;	3603	IO::AIO::min_parallel 8;
2616		3604
…		…
2624	prio => 6,	3612	prio => 6,
2625	cb => \&IO::AIO::poll_cb,	3613	cb => \&IO::AIO::poll_cb,
2626	);	3614	);
2627	}	3615	}
2628		3616
		3617	my $_log_backtrace;
		3618
		3619	sub _log_backtrace {
		3620	my ($msg, @addr) = @_;
		3621
		3622	$msg =~ s/\n//;
		3623
		3624	# limit the # of concurrent backtraces
		3625	if ($_log_backtrace < 2) {
		3626	++$_log_backtrace;
		3627	async {
		3628	my @bt = fork_call {
		3629	@addr = map { sprintf "%x", $_ } @addr;
		3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3632	or die "addr2line: $!";
		3633
		3634	my @funcs;
		3635	my @res = <$fh>;
		3636	chomp for @res;
		3637	while (@res) {
		3638	my ($func, $line) = splice @res, 0, 2, ();
		3639	push @funcs, "[$func] $line";
		3640	}
		3641
		3642	@funcs
		3643	};
		3644
		3645	LOG llevInfo, "[ABT] $msg\n";
		3646	LOG llevInfo, "[ABT] $_\n" for @bt;
		3647	--$_log_backtrace;
		3648	};
		3649	} else {
		3650	LOG llevInfo, "[ABT] $msg\n";
		3651	LOG llevInfo, "[ABT] [suppressed]\n";
		3652	}
		3653	}
		3654
		3655	# load additional modules
		3656	use cf::pod;
		3657
2629	END { cf::emergency_save }	3658	END { cf::emergency_save }
2630		3659
2631	1	3660	1
2632		3661

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