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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 1.372 by root, Sat Sep 15 13:25:33 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	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
991	}	1363	}
992	}	1364	}
993	}	1365	}
994		1366
…		…
1004		1376
1005	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1007		1379
1008	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1009	Coro::cede;	1381	cf::cede_to_tick;
1010	}	1382	}
1011		1383
1012	sub new($) {	1384	sub new($) {
1013	my ($login) = @_;	1385	my ($login) = @_;
1014		1386
…		…
1018	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1019		1391
1020	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1021		1393
1022	$self	1394	$self
		1395	}
		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
1023	}	1405	}
1024		1406
1025	=item $pl->quit_character	1407	=item $pl->quit_character
1026		1408
1027	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
…		…
1076	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1077		1459
1078	=cut	1460	=cut
1079		1461
1080	sub list_logins {	1462	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1464	or return [];
1083		1465
1084	my @logins;	1466	my @logins;
1085		1467
1086	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1088	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1089	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1090		1477
1091	utf8::decode $login;	1478	utf8::decode $login;
1092	push @logins, $login;	1479	push @logins, $login;
1093	}	1480	}
1094		1481
…		…
1121	}	1508	}
1122		1509
1123	\@paths	1510	\@paths
1124	}	1511	}
1125		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1127		1565
1128	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1129		1567
1130	=cut	1568	=cut
1131		1569
1132	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1133	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1134		1572
1135	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1136
1137	$self->send ("ext " . cf::to_json \%msg);
1138	}	1574	}
1139		1575
1140	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1141		1616
1142	=back	1617	=back
1143
1144		1618
1145	=head3 cf::map	1619	=head3 cf::map
1146		1620
1147	=over 4	1621	=over 4
1148		1622
…		…
1203	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1204		1678
1205	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1206	local $self->{path};	1680	local $self->{path};
1207	local $self->{load_path};	1681	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		1682
1211	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1212	}	1684	}
1213		1685
1214	sub normalise {	1686	sub normalise {
…		…
1261	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1262	return $self;	1734	return $self;
1263	}	1735	}
1264	}	1736	}
1265		1737
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1267	()	1739	()
1268	}	1740	}
1269		1741
1270	sub init {	1742	sub init {
1271	my ($self) = @_;	1743	my ($self) = @_;
…		…
1286		1758
1287	# the original (read-only) location	1759	# the original (read-only) location
1288	sub load_path {	1760	sub load_path {
1289	my ($self) = @_;	1761	my ($self) = @_;
1290		1762
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1292	}	1764	}
1293		1765
1294	# the temporary/swap location	1766	# the temporary/swap location
1295	sub save_path {	1767	sub save_path {
1296	my ($self) = @_;	1768	my ($self) = @_;
1297		1769
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1300	}	1772	}
1301		1773
1302	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1303	sub uniq_path {	1775	sub uniq_path {
1304	my ($self) = @_;	1776	my ($self) = @_;
1305		1777
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1308	}	1780	}
1309		1781
1310	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1311	# all maps in C++...	1783	# all maps in C++...
1312	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1314		1786
1315	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1317	}	1789	}
1318		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1319	sub unlink_save {	1799	sub unlink_save {
1320	my ($self) = @_;	1800	my ($self) = @_;
1321		1801
1322	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1323	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1326		1806
1327	sub load_header_from($) {	1807	sub load_header_from($) {
1328	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1329		1809
1330	utf8::encode $path;	1810	utf8::encode $path;
1331	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1332	# or return;
1333
1334	$self->_load_header ($path)
1335	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1336		1819
1337	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1338		1821
1339	1	1822	1
1340	}	1823	}
…		…
1379	$self->load_header_orig	1862	$self->load_header_orig
1380	or return;	1863	or return;
1381	$self->prepare_orig;	1864	$self->prepare_orig;
1382	}	1865	}
1383		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
1384	1	1873	1
1385	}	1874	}
1386		1875
1387	sub find;	1876	sub find;
1388	sub find {	1877	sub find {
1389	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1390		1879
1391	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1392		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1393	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1394		1884
1395	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1396	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1397	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1398	or return;	1890	or return;
1399		1891
1400	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1401		1893
1402	$map->load_header	1894	$map->load_header
1403	or return;	1895	or return;
1404		1896
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1408	$map->reset;	1902	$map->reset;
1409	undef $guard;
1410	return find $path;	1903	return find $path;
1411	}	1904	}
1412		1905
1413	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1414	}	1907	}
…		…
1421	my ($self) = @_;	1914	my ($self) = @_;
1422		1915
1423	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1424		1917
1425	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1426	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1427		1922
		1923	return unless $self->valid;
1428	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1429		1925
1430	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1431		1927
1432	$self->alloc;	1928	$self->alloc;
1433		1929
1434	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1435		1932
1436	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1437	or return;	1936	or return;
1438		1937
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1440	if delete $self->{load_original};	1939	if delete $self->{load_original};
1441		1940
1442	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;	1942	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1445	$self->clear_unique_items;	1945	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1447	}	1949	}
1448	}	1950	}
1449		1951
1450	Coro::cede;	1952	$f->resolve_delayed_derefs;
1451		1953
		1954	cf::cede_to_tick;
1452	# now do the right thing for maps	1955	# now do the right thing for maps
1453	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1454
1455	unless ($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)	1957	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	1958	unless $self->difficulty;
1463	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1464	$self->activate;	1968	$self->activate;
		1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1465	}	1975	}
1466		1976
1467	$self->post_load;	1977	$self->post_load;
1468
1469	$self->in_memory (cf::MAP_IN_MEMORY);
1470	}	1978	}
1471		1979
1472	sub customise_for {	1980	sub customise_for {
1473	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1474		1982
1475	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	1984	if $self->per_player;
1477		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1478	$self	1989	$self
1479	}	1990	}
1480		1991
1481	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1482	sub load_diag {	1993	sub load_neighbours {
1483	my ($map) = @_;	1994	my ($map) = @_;
1484		1995
1485	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1486		1997
1487	for (0 .. 3) {	1998	for (0 .. 3) {
1488	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1489	or next;	2000	or next;
1490	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1491	or next;	2002	or next;
1492	$neigh->load;	2003	$neigh->load;
1493		2004
		2005	push @neigh,
1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1496	}	2008	}
1497		2009
1498	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1499	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1500	or next;	2013	or next;
1501	$neigh->load;	2014	$neigh->load;
1502	}	2015	}
1503	}	2016	}
1504		2017
…		…
1509	}	2022	}
1510		2023
1511	sub do_load_sync {	2024	sub do_load_sync {
1512	my ($map) = @_;	2025	my ($map) = @_;
1513		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1514	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1515	}	2031	}
1516		2032
1517	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1518	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1519		2035
1520	sub find_async {	2036	sub find_async {
1521	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1522		2038
1523	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1524		2040
1525	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1527	}	2043	}
1528		2044
1529	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1530	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1531	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1533	my $map = find $path	2050	if (my $map = find $k) {
1534	or next;
1535	$map->load;	2051	$map->load if $v;
		2052	}
1536		2053
1537	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1538	}	2055	}
1539	}	2056	}
1540	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1541	};	2058	};
1542	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1545	}	2062	}
1546		2063
1547	sub save {	2064	sub save {
1548	my ($self) = @_;	2065	my ($self) = @_;
1549		2066
1550	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1551		2068
1552	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1553		2070
1554	return unless $self->dirty;	2071	return unless $self->dirty;
1555		2072
…		…
1578	my ($self) = @_;	2095	my ($self) = @_;
1579		2096
1580	# save first because save cedes	2097	# save first because save cedes
1581	$self->save;	2098	$self->save;
1582		2099
1583	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1584		2101
1585	return if $self->players;	2102	return if $self->players;
1586	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1587	return if $self->{deny_save};	2104	return if $self->{deny_save};
1588		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1589	$self->clear;	2110	$self->clear;
1590	$self->in_memory (cf::MAP_SWAPPED);
1591	}	2111	}
1592		2112
1593	sub reset_at {	2113	sub reset_at {
1594	my ($self) = @_;	2114	my ($self) = @_;
1595		2115
1596	# TODO: safety, remove and allow resettable per-player maps	2116	# 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};	2117	return 1e99 if $self->{deny_reset};
1599		2118
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602		2121
…		…
1613	my ($self) = @_;	2132	my ($self) = @_;
1614		2133
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2135
1617	return if $self->players;	2136	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2137
1620	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1621		2139
1622	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1623		2141
1624	# need to save uniques path	2142	# need to save uniques path
1625	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1629	if $uniq;	2147	if $uniq;
1630	}	2148	}
1631		2149
1632	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1633		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1634	$self->clear;	2154	$self->clear;
1635
1636	$_->clear_links_to ($self) for values %cf::MAP;
1637		2155
1638	$self->unlink_save;	2156	$self->unlink_save;
1639	$self->destroy;	2157	$self->destroy;
1640	}	2158	}
1641		2159
1642	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1643		2161
1644	sub nuke {	2162	sub nuke {
1645	my ($self) = @_;	2163	my ($self) = @_;
1646		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1647	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1648		2169
1649	$self->unlink_save;	2170	$self->unlink_save;
1650		2171
1651	bless $self, "cf::map";	2172	bless $self, "cf::map";
1652	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1653	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1654	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656		2177
1657	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1658		2180
1659	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1660	}	2218	}
1661		2219
1662	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1663		2221
1664	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2223	instantiated unique items. May block.
1666		2224
1667	=cut	2225	=cut
1668		2226
1669	sub unique_maps() {	2227	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1671	or return;	2229	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2230	utf8::decode $_;
1677	next if /\.pst$/;	2231	/\.map$/
1678	next unless /^$PATH_SEP/o;	2232	? normalise $_
1679		2233	: ()
1680	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2235	]
1682
1683	\@paths
1684	}	2236	}
1685		2237
1686	package cf;	2238	package cf;
1687		2239
1688	=back	2240	=back
…		…
1706	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1707	}	2259	}
1708		2260
1709	sub inv_recursive {	2261	sub inv_recursive {
1710	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1711	}	2294	}
1712		2295
1713	package cf;	2296	package cf;
1714		2297
1715	=back	2298	=back
…		…
1734		2317
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2319
1737	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1739	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1740	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1742	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1743	}	2345	}
1744		2346
1745	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1746		2348
1747	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1794	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1795		2397
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2399
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1800		2402
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1802	}	2404	}
1803		2405
1804	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1806		2410
1807	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1808		2412
1809	unless ($map) {	2413	unless ($map) {
1810	# restore original map position	2414	# restore original map position
…		…
1824	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1825	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1826	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1827		2431
1828	$map->load;	2432	$map->load;
1829	$map->load_diag;	2433	$map->load_neighbours;
1830		2434
1831	return unless $self->contr->active;	2435	return unless $self->contr->active;
1832	$self->activate_recursive;	2436	$self->activate_recursive;
1833		2437
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1836	}	2440	}
1837		2441
1838	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1839	on_logout => sub {
1840	my ($pl) = @_;
1841		2443
1842	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1843	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1844	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1845	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1846	};	2448	be called at the end of this process.
1847	}
1848	},
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2449
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	2450	=cut
		2451
		2452	our $GOTOGEN;
1873		2453
1874	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1875	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1876		2459
1877	$self->enter_link;	2460	$self->enter_link;
1878		2461
1879	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
1880	my $map = eval {	2482	my $map = eval {
1881	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1882	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
		2487	$map = $check->($map) if $check && $map;
		2488	} else {
		2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
		2491
1883	$map	2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
1884	} or	2498	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1888	})->prio (1);	2506	})->prio (1);
1889	}	2507	}
1890		2508
1891	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1892		2510
…		…
1931		2549
1932	$rmp->{random_seed} ||= $exit->random_seed;	2550	$rmp->{random_seed} ||= $exit->random_seed;
1933		2551
1934	my $data = cf::to_json $rmp;	2552	my $data = cf::to_json $rmp;
1935	my $md5 = Digest::MD5::md5_hex $data;	2553	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2554	my $meta = "$RANDOMDIR/$md5.meta";
1937		2555
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2557	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2558	undef $fh;
1941	aio_rename "$meta~", $meta;	2559	aio_rename "$meta~", $meta;
…		…
1950		2568
1951	return unless $self->type == cf::PLAYER;	2569	return unless $self->type == cf::PLAYER;
1952		2570
1953	if ($exit->slaying eq "/!") {	2571	if ($exit->slaying eq "/!") {
1954	#TODO: this should de-fi-ni-te-ly not be a sync-job	2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2573	# the problem is that $exit might not survive long enough
		2574	# so it needs to be done right now, right here
1955	cf::sync_job { prepare_random_map $exit };	2575	cf::sync_job { prepare_random_map $exit };
1956	}	2576	}
1957		2577
1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
1960	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
1961		2581
1962	$self->enter_link;	2582	$self->enter_link;
		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
1963		2587
1964	(async {	2588	(async {
1965	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
1966	unless (eval {	2590	unless (eval {
1967	$self->goto ($slaying, $hp, $sp);	2591	$self->goto ($slaying, $hp, $sp);
1968		2592
1969	1;	2593	1;
1970	}) {	2594	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	2595	$self->message ("Something went wrong deep within the crossfire server. "
1972	. "I'll try to bring you back to the map you were before. "	2596	. "I'll try to bring you back to the map you were before. "
1973	. "Please report this to the dungeon master!",	2597	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	2598	cf::NDI_UNIQUE | cf::NDI_RED);
1975		2599
1976	warn "ERROR in enter_exit: $@";	2600	warn "ERROR in enter_exit: $@";
1977	$self->leave_link;	2601	$self->leave_link;
1978	}	2602	}
1979	})->prio (1);	2603	})->prio (1);
…		…
1992		2616
1993	sub cf::client::send_drawinfo {	2617	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	2618	my ($self, $text, $flags) = @_;
1995		2619
1996	utf8::encode $text;	2620	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	2622	}
1999		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "identify",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "examine",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	);
		2647
		2648	sub cf::client::send_msg {
		2649	my ($self, $channel, $msg, $color, @extra) = @_;
		2650
		2651	$msg = $self->pl->expand_cfpod ($msg);
		2652
		2653	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2654
		2655	# check predefined channels, for the benefit of C
		2656	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2657
		2658	if (ref $channel) {
		2659	# send meta info to client, if not yet sent
		2660	unless (exists $self->{channel}{$channel->{id}}) {
		2661	$self->{channel}{$channel->{id}} = $channel;
		2662	$self->ext_msg (channel_info => $channel)
		2663	if $self->can_msg;
		2664	}
		2665
		2666	$channel = $channel->{id};
		2667	}
		2668
		2669	return unless @extra || length $msg;
		2670
		2671	if ($self->can_msg) {
		2672	# default colour, mask it out
		2673	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2674	if $color & cf::NDI_DEF;
		2675
		2676	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2677	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2678	} else {
		2679	if ($color >= 0) {
		2680	# replace some tags by gcfclient-compatible ones
		2681	for ($msg) {
		2682	1 while
		2683	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2684	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2685	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2686	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2687	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2688	}
		2689
		2690	$color &= cf::NDI_COLOR_MASK;
		2691
		2692	utf8::encode $msg;
		2693
		2694	if (0 && $msg =~ /\[/) {
		2695	# COMMAND/INFO
		2696	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2697	} else {
		2698	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2699	$self->send_packet ("drawinfo $color $msg")
		2700	}
		2701	}
		2702	}
		2703	}
		2704
		2705	=item $client->ext_msg ($type, @msg)
		2706
		2707	Sends an ext event to the client.
		2708
		2709	=cut
		2710
		2711	sub cf::client::ext_msg($$@) {
		2712	my ($self, $type, @msg) = @_;
		2713
		2714	if ($self->extcmd == 2) {
		2715	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2716	} elsif ($self->extcmd == 1) { # TODO: remove
		2717	push @msg, msgtype => "event_$type";
		2718	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2719	}
		2720	}
		2721
		2722	=item $client->ext_reply ($msgid, @msg)
		2723
		2724	Sends an ext reply to the client.
		2725
		2726	=cut
		2727
		2728	sub cf::client::ext_reply($$@) {
		2729	my ($self, $id, @msg) = @_;
		2730
		2731	if ($self->extcmd == 2) {
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2733	} elsif ($self->extcmd == 1) {
		2734	#TODO: version 1, remove
		2735	unshift @msg, msgtype => "reply", msgid => $id;
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2737	}
		2738	}
2000		2739
2001	=item $success = $client->query ($flags, "text", \&cb)	2740	=item $success = $client->query ($flags, "text", \&cb)
2002		2741
2003	Queues a query to the client, calling the given callback with	2742	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>,	2743	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>.	2744	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2006		2745
2007	Queries can fail, so check the return code. Or don't, as queries will become	2746	Queries can fail, so check the return code. Or don't, as queries will
2008	reliable at some point in the future.	2747	become reliable at some point in the future.
2009		2748
2010	=cut	2749	=cut
2011		2750
2012	sub cf::client::query {	2751	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	2752	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	2760	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2761	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		2762
2024	$self->send_packet ($self->{query_queue}[0][0])	2763	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	2764	if @{ $self->{query_queue} } == 1;
		2765
		2766	1
2026	}	2767	}
2027		2768
2028	cf::client->attach (	2769	cf::client->attach (
		2770	on_connect => sub {
		2771	my ($ns) = @_;
		2772
		2773	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2774	},
2029	on_reply => sub {	2775	on_reply => sub {
2030	my ($ns, $msg) = @_;	2776	my ($ns, $msg) = @_;
2031		2777
2032	# this weird shuffling is so that direct followup queries	2778	# this weird shuffling is so that direct followup queries
2033	# get handled first	2779	# get handled first
…		…
2045	} else {	2791	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2792	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	2793	}
2048	}	2794	}
2049	},	2795	},
		2796	on_exticmd => sub {
		2797	my ($ns, $buf) = @_;
		2798
		2799	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2800
		2801	if (ref $msg) {
		2802	my ($type, $reply, @payload) =
		2803	"ARRAY" eq ref $msg
		2804	? @$msg
		2805	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2806
		2807	my @reply;
		2808
		2809	if (my $cb = $EXTICMD{$type}) {
		2810	@reply = $cb->($ns, @payload);
		2811	}
		2812
		2813	$ns->ext_reply ($reply, @reply)
		2814	if $reply;
		2815
		2816	} else {
		2817	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2818	}
		2819
		2820	cf::override;
		2821	},
2050	);	2822	);
2051		2823
2052	=item $client->async (\&cb)	2824	=item $client->async (\&cb)
2053		2825
2054	Create a new coroutine, running the specified callback. The coroutine will	2826	Create a new coroutine, running the specified callback. The coroutine will
…		…
2095	our $safe = new Safe "safe";	2867	our $safe = new Safe "safe";
2096	our $safe_hole = new Safe::Hole;	2868	our $safe_hole = new Safe::Hole;
2097		2869
2098	$SIG{FPE} = 'IGNORE';	2870	$SIG{FPE} = 'IGNORE';
2099		2871
2100	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2872	$safe->permit_only (Opcode::opset qw(
		2873	:base_core :base_mem :base_orig :base_math
		2874	grepstart grepwhile mapstart mapwhile
		2875	sort time
		2876	));
2101		2877
2102	# here we export the classes and methods available to script code	2878	# here we export the classes and methods available to script code
2103		2879
2104	=pod	2880	=pod
2105		2881
2106	The following fucntions and emthods are available within a safe environment:	2882	The following functions and methods are available within a safe environment:
2107		2883
2108	cf::object contr pay_amount pay_player map	2884	cf::object
		2885	contr pay_amount pay_player map x y force_find force_add
		2886	insert remove name archname title slaying race decrease_ob_nr
		2887
2109	cf::object::player player	2888	cf::object::player
2110	cf::player peaceful	2889	player
2111	cf::map trigger	2890
		2891	cf::player
		2892	peaceful
		2893
		2894	cf::map
		2895	trigger
2112		2896
2113	=cut	2897	=cut
2114		2898
2115	for (	2899	for (
2116	["cf::object" => qw(contr pay_amount pay_player map)],	2900	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2901	insert remove inv name archname title slaying race
		2902	decrease_ob_nr)],
2117	["cf::object::player" => qw(player)],	2903	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	2904	["cf::player" => qw(peaceful)],
2119	["cf::map" => qw(trigger)],	2905	["cf::map" => qw(trigger)],
2120	) {	2906	) {
2121	no strict 'refs';	2907	no strict 'refs';
…		…
2192	=back	2978	=back
2193		2979
2194	=cut	2980	=cut
2195		2981
2196	#############################################################################	2982	#############################################################################
2197
2198	=head2 EXTENSION DATABASE SUPPORT
2199
2200	Crossfire maintains a very simple database for extension use. It can
2201	currently store anything that can be serialised using Storable, which
2202	excludes objects.
2203
2204	The parameter C<$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 $_[2], 0, sub { };
2266	}
2267
2268	#############################################################################
2269	# the server's init and main functions	2983	# the server's init and main functions
2270		2984
2271	sub init_resources {	2985	sub load_facedata($) {
2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2986	my ($path) = @_;
		2987
		2988	# HACK to clear player env face cache, we need some signal framework
		2989	# for this (global event?)
		2990	%ext::player_env::MUSIC_FACE_CACHE = ();
		2991
		2992	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2993
		2994	warn "loading facedata from $path\n";
		2995
		2996	my $facedata;
		2997	0 < aio_load $path, $facedata
		2998	or die "$path: $!";
		2999
		3000	$facedata = Coro::Storable::thaw $facedata;
		3001
		3002	$facedata->{version} == 2
		3003	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3004
		3005	# patch in the exptable
		3006	$facedata->{resource}{"res/exp_table"} = {
		3007	type => FT_RSRC,
		3008	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3009	};
		3010	cf::cede_to_tick;
		3011
		3012	{
		3013	my $faces = $facedata->{faceinfo};
		3014
		3015	while (my ($face, $info) = each %$faces) {
		3016	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3017	cf::face::set_visibility $idx, $info->{visibility};
		3018	cf::face::set_magicmap $idx, $info->{magicmap};
		3019	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3020	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3021
		3022	cf::cede_to_tick;
		3023	}
		3024
		3025	while (my ($face, $info) = each %$faces) {
		3026	next unless $info->{smooth};
		3027	my $idx = cf::face::find $face
		3028	or next;
		3029	if (my $smooth = cf::face::find $info->{smooth}) {
		3030	cf::face::set_smooth $idx, $smooth;
		3031	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3032	} else {
		3033	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3034	}
		3035
		3036	cf::cede_to_tick;
		3037	}
		3038	}
		3039
		3040	{
		3041	my $anims = $facedata->{animinfo};
		3042
		3043	while (my ($anim, $info) = each %$anims) {
		3044	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	cf::anim::invalidate_all; # d'oh
		3049	}
		3050
		3051	{
		3052	# TODO: for gcfclient pleasure, we should give resources
		3053	# that gcfclient doesn't grok a >10000 face index.
		3054	my $res = $facedata->{resource};
		3055
		3056	my $soundconf = delete $res->{"res/sound.conf"};
		3057
		3058	while (my ($name, $info) = each %$res) {
		3059	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3060	my $data;
		3061
		3062	if ($info->{type} & 1) {
		3063	# prepend meta info
		3064
		3065	my $meta = $enc->encode ({
		3066	name => $name,
		3067	%{ $info->{meta} || {} },
		3068	});
		3069
		3070	$data = pack "(w/a*)*", $meta, $info->{data};
		3071	} else {
		3072	$data = $info->{data};
		3073	}
		3074
		3075	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3076	cf::face::set_type $idx, $info->{type};
		3077
		3078	cf::cede_to_tick;
		3079	}
		3080
		3081	if ($soundconf) {
		3082	$soundconf = $enc->decode (delete $soundconf->{data});
		3083
		3084	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3085	my $sound = $soundconf->{compat}[$_]
		3086	or next;
		3087
		3088	my $face = cf::face::find "sound/$sound->[1]";
		3089	cf::sound::set $sound->[0] => $face;
		3090	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3091	}
		3092
		3093	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3094	my $face = cf::face::find "sound/$v";
		3095	cf::sound::set $k => $face;
		3096	}
		3097	}
		3098	}
		3099
		3100	1
		3101	}
		3102
		3103	register_exticmd fx_want => sub {
		3104	my ($ns, $want) = @_;
		3105
		3106	while (my ($k, $v) = each %$want) {
		3107	$ns->fx_want ($k, $v);
		3108	}
		3109	};
		3110
		3111	sub reload_regions {
		3112	# HACK to clear player env face cache, we need some signal framework
		3113	# for this (global event?)
		3114	%ext::player_env::MUSIC_FACE_CACHE = ();
		3115
		3116	load_resource_file "$MAPDIR/regions"
2273	or die "unable to load regions file\n";#d#	3117	or die "unable to load regions file\n";
2274	}
2275		3118
2276	sub cfg_load {	3119	for (cf::region::list) {
		3120	$_->{match} = qr/$_->{match}/
		3121	if exists $_->{match};
		3122	}
		3123	}
		3124
		3125	sub reload_facedata {
		3126	load_facedata "$DATADIR/facedata"
		3127	or die "unable to load facedata\n";
		3128	}
		3129
		3130	sub reload_archetypes {
		3131	load_resource_file "$DATADIR/archetypes"
		3132	or die "unable to load archetypes\n";
		3133	#d# NEED to laod twice to resolve forward references
		3134	# this really needs to be done in an extra post-pass
		3135	# (which needs to be synchronous, so solve it differently)
		3136	load_resource_file "$DATADIR/archetypes"
		3137	or die "unable to load archetypes\n";
		3138	}
		3139
		3140	sub reload_treasures {
		3141	load_resource_file "$DATADIR/treasures"
		3142	or die "unable to load treasurelists\n";
		3143	}
		3144
		3145	sub reload_resources {
		3146	warn "reloading resource files...\n";
		3147
		3148	reload_regions;
		3149	reload_facedata;
		3150	#reload_archetypes;#d#
		3151	reload_archetypes;
		3152	reload_treasures;
		3153
		3154	warn "finished reloading resource files\n";
		3155	}
		3156
		3157	sub init {
		3158	reload_resources;
		3159	}
		3160
		3161	sub reload_config {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3162	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3163	or return;
2279		3164
2280	local $/;	3165	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3166	*CFG = YAML::Syck::Load <$fh>;
2282		3167
…		…
2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3175	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2291	and die "WARNING: m(un)lockall failed: $!\n";	3176	and die "WARNING: m(un)lockall failed: $!\n";
2292	};	3177	};
2293	warn $@ if $@;	3178	warn $@ if $@;
2294	}	3179	}
2295	}
2296
2297	sub init {
2298	init_resources;
2299	}	3180	}
2300		3181
2301	sub main {	3182	sub main {
2302	# we must not ever block the main coroutine	3183	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	3184	local $Coro::idle = sub {
…		…
2305	(async {	3186	(async {
2306	Event::one_event;	3187	Event::one_event;
2307	})->prio (Coro::PRIO_MAX);	3188	})->prio (Coro::PRIO_MAX);
2308	};	3189	};
2309		3190
2310	cfg_load;	3191	reload_config;
2311	db_init;	3192	db_init;
2312	load_extensions;	3193	load_extensions;
2313		3194
2314	$TICK_WATCHER->start;	3195	$TICK_WATCHER->start;
2315	Event::loop;	3196	Event::loop;
…		…
2331	},	3212	},
2332	);	3213	);
2333	}	3214	}
2334	}	3215	}
2335		3216
		3217	sub write_runtime {
		3218	my $runtime = "$LOCALDIR/runtime";
		3219
		3220	# first touch the runtime file to show we are still running:
		3221	# the fsync below can take a very very long time.
		3222
		3223	IO::AIO::aio_utime $runtime, undef, undef;
		3224
		3225	my $guard = cf::lock_acquire "write_runtime";
		3226
		3227	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3228	or return;
		3229
		3230	my $value = $cf::RUNTIME + 90 + 10;
		3231	# 10 is the runtime save interval, for a monotonic clock
		3232	# 60 allows for the watchdog to kill the server.
		3233
		3234	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3235	and return;
		3236
		3237	# always fsync - this file is important
		3238	aio_fsync $fh
		3239	and return;
		3240
		3241	# touch it again to show we are up-to-date
		3242	aio_utime $fh, undef, undef;
		3243
		3244	close $fh
		3245	or return;
		3246
		3247	aio_rename "$runtime~", $runtime
		3248	and return;
		3249
		3250	warn "runtime file written.\n";
		3251
		3252	1
		3253	}
		3254
2336	sub emergency_save() {	3255	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	3256	my $freeze_guard = cf::freeze_mainloop;
2338		3257
2339	warn "enter emergency perl save\n";	3258	warn "enter emergency perl save\n";
2340		3259
…		…
2371		3290
2372	warn Carp::longmess "post_cleanup backtrace"	3291	warn Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	3292	if $make_core;
2374	}	3293	}
2375		3294
2376	sub reload() {	3295	sub do_reload_perl() {
2377	# can/must only be called in main	3296	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	3297	if ($Coro::current != $Coro::main) {
2379	warn "can only reload from main coroutine";	3298	warn "can only reload from main coroutine";
2380	return;	3299	return;
2381	}	3300	}
…		…
2406	Coro::cede;	3325	Coro::cede;
2407	last unless IO::AIO::nreqs || BDB::nreqs;	3326	last unless IO::AIO::nreqs || BDB::nreqs;
2408	warn "iterate...";	3327	warn "iterate...";
2409	}	3328	}
2410		3329
		3330	++$RELOAD;
		3331
2411	warn "cancelling all extension coros";	3332	warn "cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;	3333	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();	3334	%EXT_CORO = ();
2414		3335
2415	warn "removing commands";	3336	warn "removing commands";
2416	%COMMAND = ();	3337	%COMMAND = ();
2417		3338
2418	warn "removing ext commands";	3339	warn "removing ext/exti commands";
2419	%EXTCMD = ();	3340	%EXTCMD = ();
		3341	%EXTICMD = ();
2420		3342
2421	warn "unloading/nuking all extensions";	3343	warn "unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {	3344	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";	3345	warn "... unloading $pkg";
2424		3346
…		…
2454	Symbol::delete_package "safe::$_"	3376	Symbol::delete_package "safe::$_"
2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456		3378
2457	warn "unloading cf.pm \"a bit\"";	3379	warn "unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	3380	delete $INC{"cf.pm"};
		3381	delete $INC{"cf/pod.pm"};
2459		3382
2460	# don't, removes xs symbols, too,	3383	# don't, removes xs symbols, too,
2461	# and global variables created in xs	3384	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	3385	#Symbol::delete_package __PACKAGE__;
2463		3386
…		…
2466	warn "reloading cf.pm";	3389	warn "reloading cf.pm";
2467	require cf;	3390	require cf;
2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2469		3392
2470	warn "loading config and database again";	3393	warn "loading config and database again";
2471	cf::cfg_load;	3394	cf::reload_config;
2472		3395
2473	warn "loading extensions";	3396	warn "loading extensions";
2474	cf::load_extensions;	3397	cf::load_extensions;
2475		3398
2476	warn "reattaching attachments to objects/players";	3399	warn "reattaching attachments to objects/players";
2477	_global_reattach;	3400	_global_reattach; # objects, sockets
2478	warn "reattaching attachments to maps";	3401	warn "reattaching attachments to maps";
2479	reattach $_ for values %MAP;	3402	reattach $_ for values %MAP;
2480		3403	warn "reattaching attachments to players";
2481	warn "loading reloadable resources";	3404	reattach $_ for values %PLAYER;
2482	init_resources;
2483		3405
2484	warn "leaving sync_job";	3406	warn "leaving sync_job";
2485		3407
2486	1	3408	1
2487	} or do {	3409	} or do {
…		…
2493	warn "reloaded";	3415	warn "reloaded";
2494	};	3416	};
2495		3417
2496	our $RELOAD_WATCHER; # used only during reload	3418	our $RELOAD_WATCHER; # used only during reload
2497		3419
		3420	sub reload_perl() {
		3421	# doing reload synchronously and two reloads happen back-to-back,
		3422	# coro crashes during coro_state_free->destroy here.
		3423
		3424	$RELOAD_WATCHER ||= Event->timer (
		3425	reentrant => 0,
		3426	after => 0,
		3427	data => WF_AUTOCANCEL,
		3428	cb => sub {
		3429	do_reload_perl;
		3430	undef $RELOAD_WATCHER;
		3431	},
		3432	);
		3433	}
		3434
2498	register_command "reload" => sub {	3435	register_command "reload" => sub {
2499	my ($who, $arg) = @_;	3436	my ($who, $arg) = @_;
2500		3437
2501	if ($who->flag (FLAG_WIZ)) {	3438	if ($who->flag (FLAG_WIZ)) {
2502	$who->message ("reloading server.");	3439	$who->message ("reloading server.");
2503		3440	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	}	3441	}
2517	};	3442	};
2518		3443
2519	unshift @INC, $LIBDIR;	3444	unshift @INC, $LIBDIR;
2520		3445
2521	my $bug_warning = 0;	3446	my $bug_warning = 0;
		3447
		3448	our @WAIT_FOR_TICK;
		3449	our @WAIT_FOR_TICK_BEGIN;
		3450
		3451	sub wait_for_tick {
		3452	return unless $TICK_WATCHER->is_active;
		3453	return if $Coro::current == $Coro::main;
		3454
		3455	my $signal = new Coro::Signal;
		3456	push @WAIT_FOR_TICK, $signal;
		3457	$signal->wait;
		3458	}
		3459
		3460	sub wait_for_tick_begin {
		3461	return unless $TICK_WATCHER->is_active;
		3462	return if $Coro::current == $Coro::main;
		3463
		3464	my $signal = new Coro::Signal;
		3465	push @WAIT_FOR_TICK_BEGIN, $signal;
		3466	$signal->wait;
		3467	}
2522		3468
2523	$TICK_WATCHER = Event->timer (	3469	$TICK_WATCHER = Event->timer (
2524	reentrant => 0,	3470	reentrant => 0,
2525	parked => 1,	3471	parked => 1,
2526	prio => 0,	3472	prio => 0,
…		…
2531	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3477	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2532	unless ++$bug_warning > 10;	3478	unless ++$bug_warning > 10;
2533	return;	3479	return;
2534	}	3480	}
2535		3481
2536	$NOW = Event::time;	3482	$NOW = $tick_start = Event::time;
2537		3483
2538	cf::server_tick; # one server iteration	3484	cf::server_tick; # one server iteration
		3485
2539	$RUNTIME += $TICK;	3486	$RUNTIME += $TICK;
2540	$NEXT_TICK += $TICK;	3487	$NEXT_TICK += $TICK;
2541		3488
2542	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3489	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2543	$NEXT_RUNTIME_WRITE = $NOW + 10;	3490	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2545	write_runtime	3492	write_runtime
2546	or warn "ERROR: unable to write runtime file: $!";	3493	or warn "ERROR: unable to write runtime file: $!";
2547	};	3494	};
2548	}	3495	}
2549		3496
2550	$WAIT_FOR_TICK->broadcast;	3497	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2551	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3498	$sig->send;
		3499	}
		3500	while (my $sig = shift @WAIT_FOR_TICK) {
		3501	$sig->send;
		3502	}
2552		3503
2553	# my $AFTER = Event::time;	3504	$NOW = Event::time;
2554	# warn $AFTER - $NOW;#d#
2555		3505
2556	# if we are delayed by four ticks or more, skip them all	3506	# if we are delayed by four ticks or more, skip them all
2557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3507	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2558		3508
2559	$TICK_WATCHER->at ($NEXT_TICK);	3509	$TICK_WATCHER->at ($NEXT_TICK);
2560	$TICK_WATCHER->start;	3510	$TICK_WATCHER->start;
		3511
		3512	$LOAD = ($NOW - $tick_start) / $TICK;
		3513	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3514
		3515	_post_tick;
2561	},	3516	},
2562	);	3517	);
2563		3518
2564	{	3519	{
		3520	BDB::min_parallel 8;
2565	BDB::max_poll_time $TICK * 0.1;	3521	BDB::max_poll_time $TICK * 0.1;
2566	$BDB_POLL_WATCHER = Event->io (	3522	$BDB_POLL_WATCHER = Event->io (
2567	reentrant => 0,	3523	reentrant => 0,
2568	fd => BDB::poll_fileno,	3524	fd => BDB::poll_fileno,
2569	poll => 'r',	3525	poll => 'r',
2570	prio => 0,	3526	prio => 0,
2571	data => WF_AUTOCANCEL,	3527	data => WF_AUTOCANCEL,
2572	cb => \&BDB::poll_cb,	3528	cb => \&BDB::poll_cb,
2573	);	3529	);
2574	BDB::min_parallel 8;
2575		3530
2576	BDB::set_sync_prepare {	3531	BDB::set_sync_prepare {
2577	my $status;	3532	my $status;
2578	my $current = $Coro::current;	3533	my $current = $Coro::current;
2579	(	3534	(
…		…
2588	)	3543	)
2589	};	3544	};
2590		3545
2591	unless ($DB_ENV) {	3546	unless ($DB_ENV) {
2592	$DB_ENV = BDB::db_env_create;	3547	$DB_ENV = BDB::db_env_create;
		3548	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3549	| BDB::LOG_AUTOREMOVE, 1);
		3550	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3551	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2593		3552
2594	cf::sync_job {	3553	cf::sync_job {
2595	eval {	3554	eval {
2596	BDB::db_env_open	3555	BDB::db_env_open
2597	$DB_ENV,	3556	$DB_ENV,
2598	$BDB_ENV_DIR,	3557	$BDBDIR,
2599	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3558	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2600	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3559	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2601	0666;	3560	0666;
2602		3561
2603	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3562	cf::cleanup "db_env_open($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	};	3563	};
2608		3564
2609	cf::cleanup "db_env_open(db): $@" if $@;	3565	cf::cleanup "db_env_open(db): $@" if $@;
2610	};	3566	};
2611	}	3567	}
		3568
		3569	$BDB_DEADLOCK_WATCHER = Event->timer (
		3570	after => 3,
		3571	interval => 1,
		3572	hard => 1,
		3573	prio => 0,
		3574	data => WF_AUTOCANCEL,
		3575	cb => sub {
		3576	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3577	},
		3578	);
		3579	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3580	after => 11,
		3581	interval => 60,
		3582	hard => 1,
		3583	prio => 0,
		3584	data => WF_AUTOCANCEL,
		3585	cb => sub {
		3586	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3587	},
		3588	);
		3589	$BDB_TRICKLE_WATCHER = Event->timer (
		3590	after => 5,
		3591	interval => 10,
		3592	hard => 1,
		3593	prio => 0,
		3594	data => WF_AUTOCANCEL,
		3595	cb => sub {
		3596	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3597	},
		3598	);
2612	}	3599	}
2613		3600
2614	{	3601	{
2615	IO::AIO::min_parallel 8;	3602	IO::AIO::min_parallel 8;
2616		3603
…		…
2624	prio => 6,	3611	prio => 6,
2625	cb => \&IO::AIO::poll_cb,	3612	cb => \&IO::AIO::poll_cb,
2626	);	3613	);
2627	}	3614	}
2628		3615
		3616	my $_log_backtrace;
		3617
		3618	sub _log_backtrace {
		3619	my ($msg, @addr) = @_;
		3620
		3621	$msg =~ s/\n//;
		3622
		3623	# limit the # of concurrent backtraces
		3624	if ($_log_backtrace < 2) {
		3625	++$_log_backtrace;
		3626	async {
		3627	my @bt = fork_call {
		3628	@addr = map { sprintf "%x", $_ } @addr;
		3629	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3630	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3631	or die "addr2line: $!";
		3632
		3633	my @funcs;
		3634	my @res = <$fh>;
		3635	chomp for @res;
		3636	while (@res) {
		3637	my ($func, $line) = splice @res, 0, 2, ();
		3638	push @funcs, "[$func] $line";
		3639	}
		3640
		3641	@funcs
		3642	};
		3643
		3644	LOG llevInfo, "[ABT] $msg\n";
		3645	LOG llevInfo, "[ABT] $_\n" for @bt;
		3646	--$_log_backtrace;
		3647	};
		3648	} else {
		3649	LOG llevInfo, "[ABT] $msg\n";
		3650	LOG llevInfo, "[ABT] [suppressed]\n";
		3651	}
		3652	}
		3653
		3654	# load additional modules
		3655	use cf::pod;
		3656
2629	END { cf::emergency_save }	3657	END { cf::emergency_save }
2630		3658
2631	1	3659	1
2632		3660

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