ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.218 by root, Sat Feb 17 01:58:55 2007 UTC vs.
Revision 1.371 by root, Thu Sep 13 16:16:01 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	88	our $DB_ENV;
61		89
62	our %CFG;	90	our %CFG;
63		91
64	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	93	our $RUNTIME;
66		94
67	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		98
76	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
79	binmode STDOUT;	106	binmode STDOUT;
80	binmode STDERR;	107	binmode STDERR;
81		108
82	# read virtual server time, if available	109	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
87	}	114	}
88		115
89	mkdir cf::localdir;	116	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		118
96	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
97		120
98	sub cf::map::normalise;	121	sub cf::map::normalise;
99		122
…		…
110	=item $cf::RUNTIME	133	=item $cf::RUNTIME
111		134
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	136	every server tick.
114		137
115	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		141
117	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
119		146
120	=item $cf::NOW	147	=item $cf::NOW
121		148
122	The time of the last (current) server tick.	149	The time of the last (current) server tick.
123		150
124	=item $cf::TICK	151	=item $cf::TICK
125		152
126	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
127		164
128	=item %cf::CFG	165	=item %cf::CFG
129		166
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	168	from wherever your confdir points to.
132		169
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		171
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
139		181
140	=back	182	=back
141		183
142	=cut	184	=cut
143		185
144	BEGIN {	186	BEGIN {
145	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	188	my $msg = join "", @_;
147	utf8::encode $msg;
148		189
149	$msg .= "\n"	190	$msg .= "\n"
150	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		194
152	LOG llevError, $msg;	195	LOG llevError, $msg;
153	};	196	};
154	}	197	}
155		198
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		206
163	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	208	# within the Safe compartment.
165	for my $pkg (qw(	209	for my $pkg (qw(
166	cf::global cf::attachable	210	cf::global cf::attachable
…		…
174	}	218	}
175		219
176	$Event::DIED = sub {	220	$Event::DIED = sub {
177	warn "error in event callback: @_";	221	warn "error in event callback: @_";
178	};	222	};
		223
		224	#############################################################################
179		225
180	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
181		227
182	=over 4	228	=over 4
183		229
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	249	$d
204	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
205	}	251	}
206		252
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
210		254
211	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
212		256
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
221		258
222	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
223		260
224	=cut	261	=cut
225		262
226	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
228	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
230		267
231	=item cf::lock_wait $string	268	=item cf::lock_wait $string
232		269
233	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
234		271
…		…
237	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
240	returned.	277	returned.
241		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
242	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
244		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
245	=cut	289	=cut
246		290
247	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
248		293
249	sub lock_wait($) {	294	sub lock_wait($) {
250	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
251		301
252	# wait for lock, if any	302	# wait for lock, if any
253	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	305	Coro::schedule;
…		…
261		311
262	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
263	lock_wait $key;	313	lock_wait $key;
264		314
265	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
266		317
267	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
270	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
271	}	329	}
272		330
273	sub freeze_mainloop {	331	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
275		333
…		…
278	};	336	};
279	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
280	$guard	338	$guard
281	}	339	}
282		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
		395	}
		396
283	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
284		398
285	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	400	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287	thing you are allowed to do is call C<prio> on it.	401	thing you are allowed to do is call C<prio> on it.
…		…
290		404
291	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
292		406
293	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
294		408
295	The design of crossfire+ requires that the main coro ($Coro::main) is	409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	410	is always able to handle events or runnable, as Crossfire TRT is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
298		413
299	If it must be done, put the blocking parts into C<sync_job>. This will run	414	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	415	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	416	server will be frozen during this time, so the block should either finish
302	fast or be very important.	417	fast or be very important.
…		…
305		420
306	sub sync_job(&) {	421	sub sync_job(&) {
307	my ($job) = @_;	422	my ($job) = @_;
308		423
309	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
310	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
312		429
313	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
325		442
326	while ($busy) {	443	while ($busy) {
327	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
328	}	445	}
329		446
		447	$time = Event::time - $time;
		448
		449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		451
		452	$tick_start += $time; # do not account sync jobs to server load
		453
330	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
331	} else {	455	} else {
332	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
333		457
334	$job->()	458	$job->()
…		…
353	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
354		478
355	$coro	479	$coro
356	}	480	}
357		481
358	sub write_runtime {	482	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		483
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	484	Executes the given code block with the given arguments in a seperate
362	or return;	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.
363		488
364	my $value = $cf::RUNTIME + 90 + 10;	489	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		490
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	491	sub fork_call(&@) {
369	and return;	492	my ($cb, @args) = @_;
370		493
371	# always fsync - this file is important	494	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	495	# otherwise perl prematurely frees the stuff :/
373	and return;	496	# TODO: investigate and fix (likely this will be rather laborious)
374		497
375	close $fh	498	my @res = Coro::Util::fork_eval {
376	or return;	499	reset_signals;
		500	&$cb
		501	}, @args;
377		502
378	aio_rename "$runtime~", $runtime	503	wantarray ? @res : $res[-1]
379	and return;	504	}
380		505
		506	=item $value = cf::db_get $family => $key
		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
381	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 });
382	}	642	}
383		643
384	=back	644	=back
385		645
386	=cut	646	=cut
…		…
393	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")
394	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
395		655
396	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>
397	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
398	crossfire+).	658	Crossfire TRT).
399		659
400	=over 4	660	=over 4
401		661
402	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
403		663
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
567		827
568	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		832
573	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	834	my $pkg = shift @arg;
575		835
576	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
606	}	866	}
607		867
608	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
609	} else {	869	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	871	}
612		872
613	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
614	}	874	}
615		875
…		…
617	if (ref $_[0]) {	877	if (ref $_[0]) {
618	_object_attach @_;	878	_object_attach @_;
619	} else {	879	} else {
620	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
621	}	881	}
		882	_recalc_want;
622	};	883	};
623		884
624	# all those should be optimised	885	# all those should be optimised
625	sub cf::attachable::detach {	886	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
630	reattach ($obj);	891	reattach ($obj);
631	} else {	892	} else {
632	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
633	}	894	}
		895	_recalc_want;
634	};	896	};
635		897
636	sub cf::attachable::attached {	898	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
638		900
…		…
653	";	915	";
654	die if $@;	916	die if $@;
655	}	917	}
656		918
657	our $override;	919	our $override;
658	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?
659		921
660	sub override {	922	sub override {
661	$override = 1;	923	$override = 1;
662	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
663	}	925	}
664		926
665	sub do_invoke {	927	sub do_invoke {
666	my $event = shift;	928	my $event = shift;
667	my $callbacks = shift;	929	my $callbacks = shift;
668		930
669	@invoke_results = ();	931	@INVOKE_RESULTS = ();
670		932
671	local $override;	933	local $override;
672		934
673	for (@$callbacks) {	935	for (@$callbacks) {
674	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
691		953
692	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
693		955
694	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
695	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
696	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		959
698	=back	960	=back
699		961
700	=cut	962	=cut
701		963
702	#############################################################################	964	#############################################################################
703	# 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	}
704		977
705	sub reattach {	978	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	980	my ($obj) = @_;
708		981
…		…
753	);	1026	);
754		1027
755	sub object_freezer_save {	1028	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
757		1030
		1031	my $guard = cf::lock_acquire "io";
		1032
758	sync_job {	1033	sync_job {
759	if (length $$rdata) {	1034	if (length $$rdata) {
		1035	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1036	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1037	$decname, length $$rdata, scalar @$objs;
762		1038
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1040	chmod SAVE_MODE, $fh;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1042	aio_fsync $fh if $cf::USE_FSYNC;
…		…
785	}	1061	}
786	} else {	1062	} else {
787	aio_unlink $filename;	1063	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1064	aio_unlink "$filename.pst";
789	}	1065	}
790	}	1066	};
		1067
		1068	undef $guard;
791	}	1069	}
792		1070
793	sub object_freezer_as_string {	1071	sub object_freezer_as_string {
794	my ($rdata, $objs) = @_;	1072	my ($rdata, $objs) = @_;
795		1073
…		…
800		1078
801	sub object_thawer_load {	1079	sub object_thawer_load {
802	my ($filename) = @_;	1080	my ($filename) = @_;
803		1081
804	my ($data, $av);	1082	my ($data, $av);
		1083
		1084	my $guard = cf::lock_acquire "io";
805		1085
806	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
807	or return;	1087	or return;
808		1088
809	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1090	(aio_load "$filename.pst", $av) >= 0
811	or return;	1091	or return;
		1092
		1093	undef $guard;
812	$av = eval { (Storable::thaw $av)->{objs} };	1094	$av = eval { (Storable::thaw $av)->{objs} };
813	}	1095	}
814		1096
		1097	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
817	return ($data, $av);	1101	($data, $av)
818	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
819		1109
820	#############################################################################	1110	#############################################################################
821	# command handling &c	1111	# command handling &c
822		1112
823	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1127	}
838		1128
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1130
841	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.
842		1136
843	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
844	called.	1138	called.
845		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
846	=cut	1151	=cut
847		1152
848	sub register_extcmd {	1153	sub register_extcmd {
849	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
850		1155
851	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
852	}	1163	}
853		1164
854	cf::player->attach (	1165	cf::player->attach (
855	on_command => sub {	1166	on_command => sub {
856	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1176	cf::override;
866	},	1177	},
867	on_extcmd => sub {	1178	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
869		1180
870	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1182
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
878	} else {	1198	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1200	}
881		1201
882	cf::override;	1202	cf::override;
883	},	1203	},
884	);	1204	);
885		1205
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
921	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1211	next unless -r $path;
923	eval {	1212
924	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;
925	1	1270	}
926	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
927	}	1276	};
928	}	1277	}
929		1278
930	#############################################################################	1279	#############################################################################
931		1280
		1281	=back
		1282
932	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
933		1284
934	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
935		1286
936	=cut	1287	=cut
…		…
941		1292
942	=head3 cf::player	1293	=head3 cf::player
943		1294
944	=over 4	1295	=over 4
945		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
946	=item cf::player::find $login	1311	=item cf::player::find $login
947		1312
948	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
949		1314
950	=cut	1315	=cut
951		1316
952	sub playerdir($) {	1317	sub playerdir($) {
953	cf::localdir	1318	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1320	}
959		1321
960	sub path($) {	1322	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1324
963	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
964	}	1326	}
965		1327
966	sub find_active($) {	1328	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1343	my $login = $_[0];
982		1344
983	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
984		1346
985	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
986	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
987	or return;	1356	or return;
		1357
		1358	$f->next;
		1359	my $pl = cf::player::load_pl $f
		1360	or return;
		1361	local $cf::PLAYER_LOADING{$login} = $pl;
		1362	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1363	$cf::PLAYER{$login} = $pl
989	}	1364	}
990	}	1365	}
991	}	1366	}
992		1367
…		…
1002		1377
1003	aio_mkdir playerdir $pl, 0770;	1378	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1379	$pl->{last_save} = $cf::RUNTIME;
1005		1380
1006	$pl->save_pl ($path);	1381	$pl->save_pl ($path);
1007	Coro::cede;	1382	cf::cede_to_tick;
1008	}	1383	}
1009		1384
1010	sub new($) {	1385	sub new($) {
1011	my ($login) = @_;	1386	my ($login) = @_;
1012		1387
…		…
1018	$cf::PLAYER{$login} = $self;	1393	$cf::PLAYER{$login} = $self;
1019		1394
1020	$self	1395	$self
1021	}	1396	}
1022		1397
		1398	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1399
		1400	=cut
		1401
		1402	sub send_msg {
		1403	my $ns = shift->ns
		1404	or return;
		1405	$ns->send_msg (@_);
		1406	}
		1407
1023	=item $pl->quit_character	1408	=item $pl->quit_character
1024		1409
1025	Nukes the player without looking back. If logged in, the connection will	1410	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1411	be destroyed. May block for a long time.
1027		1412
1028	=cut	1413	=cut
1029		1414
1030	sub quit_character {	1415	sub quit_character {
1031	my ($pl) = @_;	1416	my ($pl) = @_;
		1417
		1418	my $name = $pl->ob->name;
1032		1419
1033	$pl->{deny_save} = 1;	1420	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1421	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1422
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1423	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1428	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1429	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1430	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1431	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1432	$pl->destroy;
		1433
		1434	my $prefix = qr<^~\Q$name\E/>;
		1435
		1436	# nuke player maps
		1437	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1438
1046	IO::AIO::aio_rmtree $temp;	1439	IO::AIO::aio_rmtree $temp;
		1440	}
		1441
		1442	=item $pl->kick
		1443
		1444	Kicks a player out of the game. This destroys the connection.
		1445
		1446	=cut
		1447
		1448	sub kick {
		1449	my ($pl, $kicker) = @_;
		1450
		1451	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1452	$pl->killer ("kicked");
		1453	$pl->ns->destroy;
1047	}	1454	}
1048		1455
1049	=item cf::player::list_logins	1456	=item cf::player::list_logins
1050		1457
1051	Returns am arrayref of all valid playernames in the system, can take a	1458	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1459	while and may block, so not sync_job-capable, ever.
1053		1460
1054	=cut	1461	=cut
1055		1462
1056	sub list_logins {	1463	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1464	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1465	or return [];
1059		1466
1060	my @logins;	1467	my @logins;
1061		1468
1062	for my $login (@$dirs) {	1469	for my $login (@$dirs) {
		1470	my $path = path $login;
		1471
		1472	# a .pst is a dead give-away for a valid player
		1473	unless (-e "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1474	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1475	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1476	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1477	}
1066		1478
1067	utf8::decode $login;	1479	utf8::decode $login;
1068	push @logins, $login;	1480	push @logins, $login;
1069	}	1481	}
1070		1482
…		…
1097	}	1509	}
1098		1510
1099	\@paths	1511	\@paths
1100	}	1512	}
1101		1513
		1514	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1515
		1516	Expand crossfire pod fragments into protocol xml.
		1517
		1518	=cut
		1519
		1520	sub expand_cfpod {
		1521	((my $self), (local $_)) = @_;
		1522
		1523	# escape & and <
		1524	s/&/&amp;/g;
		1525	s/(?<![BIUGHT])</&lt;/g;
		1526
		1527	# this is buggy, it needs to properly take care of nested <'s
		1528
		1529	1 while
		1530	# replace B<>, I<>, U<> etc.
		1531	s/B<([^\>]*)>/<b>$1<\/b>/
		1532	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1533	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1534	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1535	# replace G<male|female> tags
		1536	|| s{G<([^>|]*)\|([^>]*)>}{
		1537	$self->gender ? $2 : $1
		1538	}ge
		1539	# replace H<hint text>
		1540	|| s{H<([^\>]*)>}
		1541	{
		1542	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1543	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1544	"")
		1545	[$self->{hintmode}]
		1546	}ge;
		1547
		1548	# create single paragraphs (very hackish)
		1549	s/(?<=\S)\n(?=\w)/ /g;
		1550
		1551	# compress some whitespace
		1552	s/\s+\n/\n/g; # ws line-ends
		1553	s/\n\n+/\n/g; # double lines
		1554	s/^\n+//; # beginning lines
		1555	s/\n+$//; # ending lines
		1556
		1557	$_
		1558	}
		1559
		1560	sub hintmode {
		1561	$_[0]{hintmode} = $_[1] if @_ > 1;
		1562	$_[0]{hintmode}
		1563	}
		1564
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1565	=item $player->ext_reply ($msgid, @msg)
1103		1566
1104	Sends an ext reply to the player.	1567	Sends an ext reply to the player.
1105		1568
1106	=cut	1569	=cut
1107		1570
1108	sub ext_reply($$$%) {	1571	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1572	my ($self, $id, @msg) = @_;
1110		1573
1111	$msg{msgid} = $id;	1574	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1575	}
1115		1576
1116	package cf;	1577	=item $player->ext_msg ($type, @msg)
		1578
		1579	Sends an ext event to the client.
		1580
		1581	=cut
		1582
		1583	sub ext_msg($$@) {
		1584	my ($self, $type, @msg) = @_;
		1585
		1586	$self->ns->ext_msg ($type, @msg);
		1587	}
		1588
		1589	=head3 cf::region
		1590
		1591	=over 4
		1592
		1593	=cut
		1594
		1595	package cf::region;
		1596
		1597	=item cf::region::find_by_path $path
		1598
		1599	Tries to decuce the likely region for a map knowing only its path.
		1600
		1601	=cut
		1602
		1603	sub find_by_path($) {
		1604	my ($path) = @_;
		1605
		1606	my ($match, $specificity);
		1607
		1608	for my $region (list) {
		1609	if ($region->{match} && $path =~ $region->{match}) {
		1610	($match, $specificity) = ($region, $region->specificity)
		1611	if $region->specificity > $specificity;
		1612	}
		1613	}
		1614
		1615	$match
		1616	}
1117		1617
1118	=back	1618	=back
1119
1120		1619
1121	=head3 cf::map	1620	=head3 cf::map
1122		1621
1123	=over 4	1622	=over 4
1124		1623
…		…
1179	my ($self, $merge) = @_;	1678	my ($self, $merge) = @_;
1180		1679
1181	# we have to keep some variables in memory intact	1680	# we have to keep some variables in memory intact
1182	local $self->{path};	1681	local $self->{path};
1183	local $self->{load_path};	1682	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1683
1187	$self->SUPER::thawer_merge ($merge);	1684	$self->SUPER::thawer_merge ($merge);
1188	}	1685	}
1189		1686
1190	sub normalise {	1687	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1734	$self->init; # pass $1 etc.
1238	return $self;	1735	return $self;
1239	}	1736	}
1240	}	1737	}
1241		1738
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1739	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1740	()
1244	}	1741	}
1245		1742
1246	sub init {	1743	sub init {
1247	my ($self) = @_;	1744	my ($self) = @_;
…		…
1262		1759
1263	# the original (read-only) location	1760	# the original (read-only) location
1264	sub load_path {	1761	sub load_path {
1265	my ($self) = @_;	1762	my ($self) = @_;
1266		1763
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1764	"$MAPDIR/$self->{path}.map"
1268	}	1765	}
1269		1766
1270	# the temporary/swap location	1767	# the temporary/swap location
1271	sub save_path {	1768	sub save_path {
1272	my ($self) = @_;	1769	my ($self) = @_;
1273		1770
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1772	"$TMPDIR/$path.map"
1276	}	1773	}
1277		1774
1278	# the unique path, undef == no special unique path	1775	# the unique path, undef == no special unique path
1279	sub uniq_path {	1776	sub uniq_path {
1280	my ($self) = @_;	1777	my ($self) = @_;
1281		1778
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1779	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1780	"$UNIQUEDIR/$path"
1284	}	1781	}
1285		1782
1286	# and all this just because we cannot iterate over	1783	# and all this just because we cannot iterate over
1287	# all maps in C++...	1784	# all maps in C++...
1288	sub change_all_map_light {	1785	sub change_all_map_light {
…		…
1290		1787
1291	$_->change_map_light ($change)	1788	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1789	for grep $_->outdoor, values %cf::MAP;
1293	}	1790	}
1294		1791
		1792	sub decay_objects {
		1793	my ($self) = @_;
		1794
		1795	return if $self->{deny_reset};
		1796
		1797	$self->do_decay_objects;
		1798	}
		1799
1295	sub unlink_save {	1800	sub unlink_save {
1296	my ($self) = @_;	1801	my ($self) = @_;
1297		1802
1298	utf8::encode (my $save = $self->save_path);	1803	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1302		1807
1303	sub load_header_from($) {	1808	sub load_header_from($) {
1304	my ($self, $path) = @_;	1809	my ($self, $path) = @_;
1305		1810
1306	utf8::encode $path;	1811	utf8::encode $path;
1307	#aio_open $path, O_RDONLY, 0	1812	my $f = new_from_file cf::object::thawer $path
1308	# or return;
1309
1310	$self->_load_header ($path)
1311	or return;	1813	or return;
		1814
		1815	$self->_load_header ($f)
		1816	or return;
		1817
		1818	local $MAP_LOADING{$self->{path}} = $self;
		1819	$f->resolve_delayed_derefs;
1312		1820
1313	$self->{load_path} = $path;	1821	$self->{load_path} = $path;
1314		1822
1315	1	1823	1
1316	}	1824	}
…		…
1355	$self->load_header_orig	1863	$self->load_header_orig
1356	or return;	1864	or return;
1357	$self->prepare_orig;	1865	$self->prepare_orig;
1358	}	1866	}
1359		1867
		1868	$self->{deny_reset} = 1
		1869	if $self->no_reset;
		1870
		1871	$self->default_region (cf::region::find_by_path $self->{path})
		1872	unless $self->default_region;
		1873
1360	1	1874	1
1361	}	1875	}
1362		1876
1363	sub find;	1877	sub find;
1364	sub find {	1878	sub find {
1365	my ($path, $origin) = @_;	1879	my ($path, $origin) = @_;
1366		1880
1367	$path = normalise $path, $origin && $origin->path;	1881	$path = normalise $path, $origin && $origin->path;
1368		1882
		1883	cf::lock_wait "map_data:$path";#d#remove
1369	cf::lock_wait "map_find:$path";	1884	cf::lock_wait "map_find:$path";
1370		1885
1371	$cf::MAP{$path} || do {	1886	$cf::MAP{$path} || do {
1372	my $guard = cf::lock_acquire "map_find:$path";	1887	my $guard1 = cf::lock_acquire "map_find:$path";
		1888	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1889
1373	my $map = new_from_path cf::map $path	1890	my $map = new_from_path cf::map $path
1374	or return;	1891	or return;
1375		1892
1376	$map->{last_save} = $cf::RUNTIME;	1893	$map->{last_save} = $cf::RUNTIME;
1377		1894
1378	$map->load_header	1895	$map->load_header
1379	or return;	1896	or return;
1380		1897
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1898	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	1899	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	1900	#$cf::WAIT_FOR_TICK->wait;
		1901	undef $guard1;
		1902	undef $guard2;
1384	$map->reset;	1903	$map->reset;
1385	undef $guard;
1386	return find $path;	1904	return find $path;
1387	}	1905	}
1388		1906
1389	$cf::MAP{$path} = $map	1907	$cf::MAP{$path} = $map
1390	}	1908	}
…		…
1397	my ($self) = @_;	1915	my ($self) = @_;
1398		1916
1399	local $self->{deny_reset} = 1; # loading can take a long time	1917	local $self->{deny_reset} = 1; # loading can take a long time
1400		1918
1401	my $path = $self->{path};	1919	my $path = $self->{path};
		1920
		1921	{
1402	my $guard = cf::lock_acquire "map_load:$path";	1922	my $guard = cf::lock_acquire "map_data:$path";
1403		1923
		1924	return unless $self->valid;
1404	return if $self->in_memory != cf::MAP_SWAPPED;	1925	return unless $self->in_memory == cf::MAP_SWAPPED;
1405		1926
1406	$self->in_memory (cf::MAP_LOADING);	1927	$self->in_memory (cf::MAP_LOADING);
1407		1928
1408	$self->alloc;	1929	$self->alloc;
1409		1930
1410	$self->pre_load;	1931	$self->pre_load;
		1932	cf::cede_to_tick;
1411		1933
1412	$self->_load_objects ($self->{load_path}, 1)	1934	my $f = new_from_file cf::object::thawer $self->{load_path};
		1935	$f->skip_block;
		1936	$self->_load_objects ($f)
1413	or return;	1937	or return;
1414		1938
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1939	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1416	if delete $self->{load_original};	1940	if delete $self->{load_original};
1417		1941
1418	if (my $uniq = $self->uniq_path) {	1942	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	1943	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	1944	unless (aio_stat $uniq) {
		1945	if (my $f = new_from_file cf::object::thawer $uniq) {
1421	$self->clear_unique_items;	1946	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	1947	$self->_load_objects ($f);
		1948	$f->resolve_delayed_derefs;
		1949	}
1423	}	1950	}
1424	}	1951	}
1425		1952
1426	Coro::cede;	1953	$f->resolve_delayed_derefs;
1427		1954
		1955	cf::cede_to_tick;
1428	# now do the right thing for maps	1956	# now do the right thing for maps
1429	$self->link_multipart_objects;	1957	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;
1436	$self->set_darkness_map;
1437	$self->difficulty ($self->estimate_difficulty)	1958	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	1959	unless $self->difficulty;
1439	Coro::cede;	1960	cf::cede_to_tick;
		1961
		1962	unless ($self->{deny_activate}) {
		1963	$self->decay_objects;
		1964	$self->fix_auto_apply;
		1965	$self->update_buttons;
		1966	cf::cede_to_tick;
		1967	$self->set_darkness_map;
		1968	cf::cede_to_tick;
1440	$self->activate;	1969	$self->activate;
		1970	}
		1971
		1972	$self->{last_save} = $cf::RUNTIME;
		1973	$self->last_access ($cf::RUNTIME);
		1974
		1975	$self->in_memory (cf::MAP_IN_MEMORY);
1441	}	1976	}
1442		1977
1443	$self->post_load;	1978	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	1979	}
1447		1980
1448	sub customise_for {	1981	sub customise_for {
1449	my ($self, $ob) = @_;	1982	my ($self, $ob) = @_;
1450		1983
1451	return find "~" . $ob->name . "/" . $self->{path}	1984	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	1985	if $self->per_player;
1453		1986
		1987	# return find "?party/" . $ob->name . "/" . $self->{path}
		1988	# if $self->per_party;
		1989
1454	$self	1990	$self
1455	}	1991	}
1456		1992
1457	# find and load all maps in the 3x3 area around a map	1993	# find and load all maps in the 3x3 area around a map
1458	sub load_diag {	1994	sub load_neighbours {
1459	my ($map) = @_;	1995	my ($map) = @_;
1460		1996
1461	my @diag; # diagonal neighbours	1997	my @neigh; # diagonal neighbours
1462		1998
1463	for (0 .. 3) {	1999	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)	2000	my $neigh = $map->tile_path ($_)
1465	or next;	2001	or next;
1466	$neigh = find $neigh, $map	2002	$neigh = find $neigh, $map
1467	or next;	2003	or next;
1468	$neigh->load;	2004	$neigh->load;
1469		2005
		2006	push @neigh,
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2007	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2008	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}	2009	}
1473		2010
1474	for (@diag) {	2011	for (grep defined $_->[0], @neigh) {
		2012	my ($path, $origin) = @$_;
1475	my $neigh = find @$_	2013	my $neigh = find $path, $origin
1476	or next;	2014	or next;
1477	$neigh->load;	2015	$neigh->load;
1478	}	2016	}
1479	}	2017	}
1480		2018
…		…
1485	}	2023	}
1486		2024
1487	sub do_load_sync {	2025	sub do_load_sync {
1488	my ($map) = @_;	2026	my ($map) = @_;
1489		2027
		2028	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2029	if $Coro::current == $Coro::main;
		2030
1490	cf::sync_job { $map->load };	2031	cf::sync_job { $map->load };
1491	}	2032	}
1492		2033
1493	our %MAP_PREFETCH;	2034	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	2035	our $MAP_PREFETCHER = undef;
1495		2036
1496	sub find_async {	2037	sub find_async {
1497	my ($path, $origin) = @_;	2038	my ($path, $origin, $load) = @_;
1498		2039
1499	$path = normalise $path, $origin && $origin->{path};	2040	$path = normalise $path, $origin && $origin->{path};
1500		2041
1501	if (my $map = $cf::MAP{$path}) {	2042	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2043	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1503	}	2044	}
1504		2045
1505	undef $MAP_PREFETCH{$path};	2046	$MAP_PREFETCH{$path} |= $load;
		2047
1506	$MAP_PREFETCHER ||= cf::async {	2048	$MAP_PREFETCHER ||= cf::async {
1507	while (%MAP_PREFETCH) {	2049	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2050	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	2051	if (my $map = find $k) {
1510	or next;
1511	$map->load;	2052	$map->load if $v;
		2053	}
1512		2054
1513	delete $MAP_PREFETCH{$path};	2055	delete $MAP_PREFETCH{$k};
1514	}	2056	}
1515	}	2057	}
1516	undef $MAP_PREFETCHER;	2058	undef $MAP_PREFETCHER;
1517	};	2059	};
1518	$MAP_PREFETCHER->prio (6);	2060	$MAP_PREFETCHER->prio (6);
…		…
1521	}	2063	}
1522		2064
1523	sub save {	2065	sub save {
1524	my ($self) = @_;	2066	my ($self) = @_;
1525		2067
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;	2068	my $lock = cf::lock_acquire "map_data:$self->{path}";
1527		2069
1528	$self->{last_save} = $cf::RUNTIME;	2070	$self->{last_save} = $cf::RUNTIME;
1529		2071
1530	return unless $self->dirty;	2072	return unless $self->dirty;
1531		2073
…		…
1554	my ($self) = @_;	2096	my ($self) = @_;
1555		2097
1556	# save first because save cedes	2098	# save first because save cedes
1557	$self->save;	2099	$self->save;
1558		2100
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2102
1561	return if $self->players;	2103	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1563	return if $self->{deny_save};	2105	return if $self->{deny_save};
1564		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1565	$self->clear;	2111	$self->clear;
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	}	2112	}
1568		2113
1569	sub reset_at {	2114	sub reset_at {
1570	my ($self) = @_;	2115	my ($self) = @_;
1571		2116
1572	# TODO: safety, remove and allow resettable per-player maps	2117	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	2118	return 1e99 if $self->{deny_reset};
1575		2119
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2122
…		…
1589	my ($self) = @_;	2133	my ($self) = @_;
1590		2134
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2136
1593	return if $self->players;	2137	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2138
1596	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
1597		2140
1598	$self->in_memory (cf::MAP_SWAPPED);	2141	$self->in_memory (cf::MAP_SWAPPED);
1599		2142
1600	# need to save uniques path	2143	# need to save uniques path
1601	unless ($self->{deny_save}) {	2144	unless ($self->{deny_save}) {
…		…
1605	if $uniq;	2148	if $uniq;
1606	}	2149	}
1607		2150
1608	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1609		2152
		2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1610	$self->clear;	2155	$self->clear;
1611
1612	$_->clear_links_to ($self) for values %cf::MAP;
1613		2156
1614	$self->unlink_save;	2157	$self->unlink_save;
1615	$self->destroy;	2158	$self->destroy;
1616	}	2159	}
1617		2160
1618	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1619		2162
1620	sub nuke {	2163	sub nuke {
1621	my ($self) = @_;	2164	my ($self) = @_;
1622		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1623	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1624		2170
1625	$self->unlink_save;	2171	$self->unlink_save;
1626		2172
1627	bless $self, "cf::map";	2173	bless $self, "cf::map";
1628	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1629	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1630	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632		2178
1633	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1634		2181
1635	$self->reset; # polite request, might not happen	2182	$self->reset; # polite request, might not happen
		2183	}
		2184
		2185	=item $maps = cf::map::tmp_maps
		2186
		2187	Returns an arrayref with all map paths of currently instantiated and saved
		2188	maps. May block.
		2189
		2190	=cut
		2191
		2192	sub tmp_maps() {
		2193	[
		2194	map {
		2195	utf8::decode $_;
		2196	/\.map$/
		2197	? normalise $_
		2198	: ()
		2199	} @{ aio_readdir $TMPDIR or [] }
		2200	]
		2201	}
		2202
		2203	=item $maps = cf::map::random_maps
		2204
		2205	Returns an arrayref with all map paths of currently instantiated and saved
		2206	random maps. May block.
		2207
		2208	=cut
		2209
		2210	sub random_maps() {
		2211	[
		2212	map {
		2213	utf8::decode $_;
		2214	/\.map$/
		2215	? normalise "?random/$_"
		2216	: ()
		2217	} @{ aio_readdir $RANDOMDIR or [] }
		2218	]
1636	}	2219	}
1637		2220
1638	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1639		2222
1640	Returns an arrayref of paths of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2224	instantiated unique items. May block.
1642		2225
1643	=cut	2226	=cut
1644		2227
1645	sub unique_maps() {	2228	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2229	[
1647	or return;	2230	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2231	utf8::decode $_;
1653	next if /\.pst$/;	2232	/\.map$/
1654	next unless /^$PATH_SEP/o;	2233	? normalise $_
1655		2234	: ()
1656	push @paths, cf::map::normalise $_;	2235	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2236	]
1658
1659	\@paths
1660	}	2237	}
1661		2238
1662	package cf;	2239	package cf;
1663		2240
1664	=back	2241	=back
…		…
1682	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1683	}	2260	}
1684		2261
1685	sub inv_recursive {	2262	sub inv_recursive {
1686	inv_recursive_ inv $_[0]	2263	inv_recursive_ inv $_[0]
		2264	}
		2265
		2266	=item $ref = $ob->ref
		2267
		2268	creates and returns a persistent reference to an objetc that can be stored as a string.
		2269
		2270	=item $ob = cf::object::deref ($refstring)
		2271
		2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2273	even if the object actually exists. May block.
		2274
		2275	=cut
		2276
		2277	sub deref {
		2278	my ($ref) = @_;
		2279
		2280	# temporary compatibility#TODO#remove
		2281	$ref =~ s{^<}{player/<};
		2282
		2283	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2284	my ($uuid, $name) = ($1, $2);
		2285	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2286	or return;
		2287	$pl->ob->uuid eq $uuid
		2288	or return;
		2289
		2290	$pl->ob
		2291	} else {
		2292	warn "$ref: cannot resolve object reference\n";
		2293	undef
		2294	}
1687	}	2295	}
1688		2296
1689	package cf;	2297	package cf;
1690		2298
1691	=back	2299	=back
…		…
1710		2318
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2319	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2320
1713	if ($self->{record_replies}) {	2321	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2322	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2323
1715	} else {	2324	} else {
		2325	my $pl = $self->contr;
		2326
		2327	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2328	my $dialog = $pl->{npc_dialog};
		2329	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2330
		2331	} else {
1716	$msg = $npc->name . " says: $msg" if $npc;	2332	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2333	$self->message ($msg, $flags);
		2334	}
1718	}	2335	}
		2336	}
		2337
		2338	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2339
		2340	=cut
		2341
		2342	sub cf::object::send_msg {
		2343	my $pl = shift->contr
		2344	or return;
		2345	$pl->send_msg (@_);
1719	}	2346	}
1720		2347
1721	=item $player_object->may ("access")	2348	=item $player_object->may ("access")
1722		2349
1723	Returns wether the given player is authorized to access resource "access"	2350	Returns wether the given player is authorized to access resource "access"
…		…
1770	$self->deactivate_recursive;	2397	$self->deactivate_recursive;
1771		2398
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2399	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2400
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2401	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2402	if $self->map && $self->map->{path} ne "{link}";
1776		2403
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2404	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1778	}	2405	}
1779		2406
1780	sub cf::object::player::leave_link {	2407	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2408	my ($self, $map, $x, $y) = @_;
		2409
		2410	return unless $self->contr->active;
1782		2411
1783	my $link_pos = delete $self->{_link_pos};	2412	my $link_pos = delete $self->{_link_pos};
1784		2413
1785	unless ($map) {	2414	unless ($map) {
1786	# restore original map position	2415	# restore original map position
…		…
1800	# use -1 or undef as default coordinates, not 0, 0	2429	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2430	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2431	if $x <=0 && $y <= 0;
1803		2432
1804	$map->load;	2433	$map->load;
1805	$map->load_diag;	2434	$map->load_neighbours;
1806		2435
1807	return unless $self->contr->active;	2436	return unless $self->contr->active;
1808	$self->activate_recursive;	2437	$self->activate_recursive;
1809		2438
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2439	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2440	$self->enter_map ($map, $x, $y);
1812	}	2441	}
1813		2442
1814	cf::player->attach (	2443	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1815	on_logout => sub {
1816	my ($pl) = @_;
1817		2444
1818	# abort map switching before logout	2445	Moves the player to the given map-path and coordinates by first freezing
1819	if ($pl->ob->{_link_pos}) {	2446	her, loading and preparing them map, calling the provided $check callback
1820	cf::sync_job {	2447	that has to return the map if sucecssful, and then unfreezes the player on
1821	$pl->ob->leave_link	2448	the new (success) or old (failed) map position. In either case, $done will
1822	};	2449	be called at the end of this process.
1823	}
1824	},
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2450
1828	# try to abort aborted map switching on player login :)
1829	# should happen only on crashes
1830	if ($pl->ob->{_link_pos}) {
1831	$pl->ob->enter_link;
1832	(async {
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845
1846	=item $player_object->goto ($path, $x, $y)
1847
1848	=cut	2451	=cut
		2452
		2453	our $GOTOGEN;
1849		2454
1850	sub cf::object::player::goto {	2455	sub cf::object::player::goto {
1851	my ($self, $path, $x, $y) = @_;	2456	my ($self, $path, $x, $y, $check, $done) = @_;
		2457
		2458	# do generation counting so two concurrent goto's will be executed in-order
		2459	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852		2460
1853	$self->enter_link;	2461	$self->enter_link;
1854		2462
1855	(async {	2463	(async {
		2464	# *tag paths override both path and x|y
		2465	if ($path =~ /^\*(.*)$/) {
		2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2467	my $ob = $obs[rand @obs];
		2468
		2469	# see if we actually can go there
		2470	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2471	$ob = $obs[rand @obs];
		2472	} else {
		2473	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2474	}
		2475	# else put us there anyways for now #d#
		2476
		2477	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2478	} else {
		2479	($path, $x, $y) = (undef, undef, undef);
		2480	}
		2481	}
		2482
1856	my $map = eval {	2483	my $map = eval {
1857	my $map = cf::map::find $path;	2484	my $map = defined $path ? cf::map::find $path : undef;
		2485
		2486	if ($map) {
1858	$map = $map->customise_for ($self) if $map;	2487	$map = $map->customise_for ($self);
		2488	$map = $check->($map) if $check && $map;
		2489	} else {
		2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2491	}
		2492
1859	$map	2493	$map
		2494	};
		2495
		2496	if ($@) {
		2497	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2498	LOG llevError | logBacktrace, Carp::longmess $@;
1860	} or	2499	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2500
		2501	if ($gen == $self->{_goto_generation}) {
		2502	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
		2504	}
		2505
		2506	$done->() if $done;
1864	})->prio (1);	2507	})->prio (1);
1865	}	2508	}
1866		2509
1867	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
1868		2511
…		…
1907		2550
1908	$rmp->{random_seed} ||= $exit->random_seed;	2551	$rmp->{random_seed} ||= $exit->random_seed;
1909		2552
1910	my $data = cf::to_json $rmp;	2553	my $data = cf::to_json $rmp;
1911	my $md5 = Digest::MD5::md5_hex $data;	2554	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2555	my $meta = "$RANDOMDIR/$md5.meta";
1913		2556
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2558	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2559	undef $fh;
1917	aio_rename "$meta~", $meta;	2560	aio_rename "$meta~", $meta;
…		…
1926		2569
1927	return unless $self->type == cf::PLAYER;	2570	return unless $self->type == cf::PLAYER;
1928		2571
1929	if ($exit->slaying eq "/!") {	2572	if ($exit->slaying eq "/!") {
1930	#TODO: this should de-fi-ni-te-ly not be a sync-job	2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2574	# the problem is that $exit might not survive long enough
		2575	# so it needs to be done right now, right here
1931	cf::sync_job { prepare_random_map $exit };	2576	cf::sync_job { prepare_random_map $exit };
1932	}	2577	}
1933		2578
1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935	my $hp = $exit->stats->hp;	2580	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;	2581	my $sp = $exit->stats->sp;
1937		2582
1938	$self->enter_link;	2583	$self->enter_link;
		2584
		2585	# if exit is damned, update players death & WoR home-position
		2586	$self->contr->savebed ($slaying, $hp, $sp)
		2587	if $exit->flag (FLAG_DAMNED);
1939		2588
1940	(async {	2589	(async {
1941	$self->deactivate_recursive; # just to be sure	2590	$self->deactivate_recursive; # just to be sure
1942	unless (eval {	2591	unless (eval {
1943	$self->goto ($slaying, $hp, $sp);	2592	$self->goto ($slaying, $hp, $sp);
1944		2593
1945	1;	2594	1;
1946	}) {	2595	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2596	$self->message ("Something went wrong deep within the crossfire server. "
1948	. "I'll try to bring you back to the map you were before. "	2597	. "I'll try to bring you back to the map you were before. "
1949	. "Please report this to the dungeon master!",	2598	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2599	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2600
1952	warn "ERROR in enter_exit: $@";	2601	warn "ERROR in enter_exit: $@";
1953	$self->leave_link;	2602	$self->leave_link;
1954	}	2603	}
1955	})->prio (1);	2604	})->prio (1);
…		…
1968		2617
1969	sub cf::client::send_drawinfo {	2618	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2619	my ($self, $text, $flags) = @_;
1971		2620
1972	utf8::encode $text;	2621	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2622	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2623	}
1975		2624
		2625	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2626
		2627	Send a drawinfo or msg packet to the client, formatting the msg for the
		2628	client if neccessary. C<$type> should be a string identifying the type of
		2629	the message, with C<log> being the default. If C<$color> is negative, suppress
		2630	the message unless the client supports the msg packet.
		2631
		2632	=cut
		2633
		2634	our %CHANNEL = (
		2635	"c/identify" => {
		2636	id => "identify",
		2637	title => "Identify",
		2638	reply => undef,
		2639	tooltip => "Items recently identified",
		2640	},
		2641	"c/examine" => {
		2642	id => "examine",
		2643	title => "Examine",
		2644	reply => undef,
		2645	tooltip => "Signs and other items you examined",
		2646	},
		2647	);
		2648
		2649	sub cf::client::send_msg {
		2650	my ($self, $channel, $msg, $color, @extra) = @_;
		2651
		2652	$msg = $self->pl->expand_cfpod ($msg);
		2653
		2654	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2655
		2656	# check predefined channels, for the benefit of C
		2657	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2658
		2659	if (ref $channel) {
		2660	# send meta info to client, if not yet sent
		2661	unless (exists $self->{channel}{$channel->{id}}) {
		2662	$self->{channel}{$channel->{id}} = $channel;
		2663	$self->ext_msg (channel_info => $channel)
		2664	if $self->can_msg;
		2665	}
		2666
		2667	$channel = $channel->{id};
		2668	}
		2669
		2670	return unless @extra || length $msg;
		2671
		2672	if ($self->can_msg) {
		2673	# default colour, mask it out
		2674	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2675	if $color & cf::NDI_DEF;
		2676
		2677	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2678	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2679	} else {
		2680	if ($color >= 0) {
		2681	# replace some tags by gcfclient-compatible ones
		2682	for ($msg) {
		2683	1 while
		2684	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2685	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2686	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2687	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2688	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2689	}
		2690
		2691	$color &= cf::NDI_COLOR_MASK;
		2692
		2693	utf8::encode $msg;
		2694
		2695	if (0 && $msg =~ /\[/) {
		2696	# COMMAND/INFO
		2697	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2698	} else {
		2699	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2700	$self->send_packet ("drawinfo $color $msg")
		2701	}
		2702	}
		2703	}
		2704	}
		2705
		2706	=item $client->ext_msg ($type, @msg)
		2707
		2708	Sends an ext event to the client.
		2709
		2710	=cut
		2711
		2712	sub cf::client::ext_msg($$@) {
		2713	my ($self, $type, @msg) = @_;
		2714
		2715	if ($self->extcmd == 2) {
		2716	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2717	} elsif ($self->extcmd == 1) { # TODO: remove
		2718	push @msg, msgtype => "event_$type";
		2719	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2720	}
		2721	}
		2722
		2723	=item $client->ext_reply ($msgid, @msg)
		2724
		2725	Sends an ext reply to the client.
		2726
		2727	=cut
		2728
		2729	sub cf::client::ext_reply($$@) {
		2730	my ($self, $id, @msg) = @_;
		2731
		2732	if ($self->extcmd == 2) {
		2733	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2734	} elsif ($self->extcmd == 1) {
		2735	#TODO: version 1, remove
		2736	unshift @msg, msgtype => "reply", msgid => $id;
		2737	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2738	}
		2739	}
1976		2740
1977	=item $success = $client->query ($flags, "text", \&cb)	2741	=item $success = $client->query ($flags, "text", \&cb)
1978		2742
1979	Queues a query to the client, calling the given callback with	2743	Queues a query to the client, calling the given callback with
1980	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2744	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1981	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2745	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982		2746
1983	Queries can fail, so check the return code. Or don't, as queries will become	2747	Queries can fail, so check the return code. Or don't, as queries will
1984	reliable at some point in the future.	2748	become reliable at some point in the future.
1985		2749
1986	=cut	2750	=cut
1987		2751
1988	sub cf::client::query {	2752	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	2753	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	2761	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2762	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		2763
2000	$self->send_packet ($self->{query_queue}[0][0])	2764	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	2765	if @{ $self->{query_queue} } == 1;
		2766
		2767	1
2002	}	2768	}
2003		2769
2004	cf::client->attach (	2770	cf::client->attach (
		2771	on_connect => sub {
		2772	my ($ns) = @_;
		2773
		2774	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2775	},
2005	on_reply => sub {	2776	on_reply => sub {
2006	my ($ns, $msg) = @_;	2777	my ($ns, $msg) = @_;
2007		2778
2008	# this weird shuffling is so that direct followup queries	2779	# this weird shuffling is so that direct followup queries
2009	# get handled first	2780	# get handled first
…		…
2021	} else {	2792	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2793	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	2794	}
2024	}	2795	}
2025	},	2796	},
		2797	on_exticmd => sub {
		2798	my ($ns, $buf) = @_;
		2799
		2800	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2801
		2802	if (ref $msg) {
		2803	my ($type, $reply, @payload) =
		2804	"ARRAY" eq ref $msg
		2805	? @$msg
		2806	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2807
		2808	my @reply;
		2809
		2810	if (my $cb = $EXTICMD{$type}) {
		2811	@reply = $cb->($ns, @payload);
		2812	}
		2813
		2814	$ns->ext_reply ($reply, @reply)
		2815	if $reply;
		2816
		2817	} else {
		2818	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2819	}
		2820
		2821	cf::override;
		2822	},
2026	);	2823	);
2027		2824
2028	=item $client->async (\&cb)	2825	=item $client->async (\&cb)
2029		2826
2030	Create a new coroutine, running the specified callback. The coroutine will	2827	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071	our $safe = new Safe "safe";	2868	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	2869	our $safe_hole = new Safe::Hole;
2073		2870
2074	$SIG{FPE} = 'IGNORE';	2871	$SIG{FPE} = 'IGNORE';
2075		2872
2076	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2873	$safe->permit_only (Opcode::opset qw(
		2874	:base_core :base_mem :base_orig :base_math
		2875	grepstart grepwhile mapstart mapwhile
		2876	sort time
		2877	));
2077		2878
2078	# here we export the classes and methods available to script code	2879	# here we export the classes and methods available to script code
2079		2880
2080	=pod	2881	=pod
2081		2882
2082	The following fucntions and emthods are available within a safe environment:	2883	The following functions and methods are available within a safe environment:
2083		2884
2084	cf::object contr pay_amount pay_player map	2885	cf::object
		2886	contr pay_amount pay_player map x y force_find force_add
		2887	insert remove name archname title slaying race decrease_ob_nr
		2888
2085	cf::object::player player	2889	cf::object::player
2086	cf::player peaceful	2890	player
2087	cf::map trigger	2891
		2892	cf::player
		2893	peaceful
		2894
		2895	cf::map
		2896	trigger
2088		2897
2089	=cut	2898	=cut
2090		2899
2091	for (	2900	for (
2092	["cf::object" => qw(contr pay_amount pay_player map)],	2901	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2902	insert remove inv name archname title slaying race
		2903	decrease_ob_nr)],
2093	["cf::object::player" => qw(player)],	2904	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	2905	["cf::player" => qw(peaceful)],
2095	["cf::map" => qw(trigger)],	2906	["cf::map" => qw(trigger)],
2096	) {	2907	) {
2097	no strict 'refs';	2908	no strict 'refs';
…		…
2168	=back	2979	=back
2169		2980
2170	=cut	2981	=cut
2171		2982
2172	#############################################################################	2983	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243
2244	#############################################################################
2245	# the server's init and main functions	2984	# the server's init and main functions
2246		2985
2247	sub init_resources {	2986	sub load_facedata($) {
2248	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2987	my ($path) = @_;
		2988
		2989	# HACK to clear player env face cache, we need some signal framework
		2990	# for this (global event?)
		2991	%ext::player_env::MUSIC_FACE_CACHE = ();
		2992
		2993	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2994
		2995	warn "loading facedata from $path\n";
		2996
		2997	my $facedata;
		2998	0 < aio_load $path, $facedata
		2999	or die "$path: $!";
		3000
		3001	$facedata = Coro::Storable::thaw $facedata;
		3002
		3003	$facedata->{version} == 2
		3004	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3005
		3006	# patch in the exptable
		3007	$facedata->{resource}{"res/exp_table"} = {
		3008	type => FT_RSRC,
		3009	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3010	};
		3011	cf::cede_to_tick;
		3012
		3013	{
		3014	my $faces = $facedata->{faceinfo};
		3015
		3016	while (my ($face, $info) = each %$faces) {
		3017	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3018	cf::face::set_visibility $idx, $info->{visibility};
		3019	cf::face::set_magicmap $idx, $info->{magicmap};
		3020	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3021	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3022
		3023	cf::cede_to_tick;
		3024	}
		3025
		3026	while (my ($face, $info) = each %$faces) {
		3027	next unless $info->{smooth};
		3028	my $idx = cf::face::find $face
		3029	or next;
		3030	if (my $smooth = cf::face::find $info->{smooth}) {
		3031	cf::face::set_smooth $idx, $smooth;
		3032	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3033	} else {
		3034	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3035	}
		3036
		3037	cf::cede_to_tick;
		3038	}
		3039	}
		3040
		3041	{
		3042	my $anims = $facedata->{animinfo};
		3043
		3044	while (my ($anim, $info) = each %$anims) {
		3045	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3046	cf::cede_to_tick;
		3047	}
		3048
		3049	cf::anim::invalidate_all; # d'oh
		3050	}
		3051
		3052	{
		3053	# TODO: for gcfclient pleasure, we should give resources
		3054	# that gcfclient doesn't grok a >10000 face index.
		3055	my $res = $facedata->{resource};
		3056
		3057	my $soundconf = delete $res->{"res/sound.conf"};
		3058
		3059	while (my ($name, $info) = each %$res) {
		3060	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3061	my $data;
		3062
		3063	if ($info->{type} & 1) {
		3064	# prepend meta info
		3065
		3066	my $meta = $enc->encode ({
		3067	name => $name,
		3068	%{ $info->{meta} || {} },
		3069	});
		3070
		3071	$data = pack "(w/a*)*", $meta, $info->{data};
		3072	} else {
		3073	$data = $info->{data};
		3074	}
		3075
		3076	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3077	cf::face::set_type $idx, $info->{type};
		3078
		3079	cf::cede_to_tick;
		3080	}
		3081
		3082	if ($soundconf) {
		3083	$soundconf = $enc->decode (delete $soundconf->{data});
		3084
		3085	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3086	my $sound = $soundconf->{compat}[$_]
		3087	or next;
		3088
		3089	my $face = cf::face::find "sound/$sound->[1]";
		3090	cf::sound::set $sound->[0] => $face;
		3091	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3092	}
		3093
		3094	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3095	my $face = cf::face::find "sound/$v";
		3096	cf::sound::set $k => $face;
		3097	}
		3098	}
		3099	}
		3100
		3101	1
		3102	}
		3103
		3104	register_exticmd fx_want => sub {
		3105	my ($ns, $want) = @_;
		3106
		3107	while (my ($k, $v) = each %$want) {
		3108	$ns->fx_want ($k, $v);
		3109	}
		3110	};
		3111
		3112	sub reload_regions {
		3113	# HACK to clear player env face cache, we need some signal framework
		3114	# for this (global event?)
		3115	%ext::player_env::MUSIC_FACE_CACHE = ();
		3116
		3117	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	3118	or die "unable to load regions file\n";
2250	}
2251		3119
2252	sub cfg_load {	3120	for (cf::region::list) {
		3121	$_->{match} = qr/$_->{match}/
		3122	if exists $_->{match};
		3123	}
		3124	}
		3125
		3126	sub reload_facedata {
		3127	load_facedata "$DATADIR/facedata"
		3128	or die "unable to load facedata\n";
		3129	}
		3130
		3131	sub reload_archetypes {
		3132	load_resource_file "$DATADIR/archetypes"
		3133	or die "unable to load archetypes\n";
		3134	#d# NEED to laod twice to resolve forward references
		3135	# this really needs to be done in an extra post-pass
		3136	# (which needs to be synchronous, so solve it differently)
		3137	load_resource_file "$DATADIR/archetypes"
		3138	or die "unable to load archetypes\n";
		3139	}
		3140
		3141	sub reload_treasures {
		3142	load_resource_file "$DATADIR/treasures"
		3143	or die "unable to load treasurelists\n";
		3144	}
		3145
		3146	sub reload_resources {
		3147	warn "reloading resource files...\n";
		3148
		3149	reload_regions;
		3150	reload_facedata;
		3151	#reload_archetypes;#d#
		3152	reload_archetypes;
		3153	reload_treasures;
		3154
		3155	warn "finished reloading resource files\n";
		3156	}
		3157
		3158	sub init {
		3159	reload_resources;
		3160	}
		3161
		3162	sub reload_config {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3163	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3164	or return;
2255		3165
2256	local $/;	3166	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3167	*CFG = YAML::Syck::Load <$fh>;
2258		3168
…		…
2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3176	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2267	and die "WARNING: m(un)lockall failed: $!\n";	3177	and die "WARNING: m(un)lockall failed: $!\n";
2268	};	3178	};
2269	warn $@ if $@;	3179	warn $@ if $@;
2270	}	3180	}
2271	}
2272
2273	sub init {
2274	init_resources;
2275	}	3181	}
2276		3182
2277	sub main {	3183	sub main {
2278	# we must not ever block the main coroutine	3184	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3185	local $Coro::idle = sub {
…		…
2281	(async {	3187	(async {
2282	Event::one_event;	3188	Event::one_event;
2283	})->prio (Coro::PRIO_MAX);	3189	})->prio (Coro::PRIO_MAX);
2284	};	3190	};
2285		3191
2286	cfg_load;	3192	reload_config;
2287	db_init;	3193	db_init;
2288	load_extensions;	3194	load_extensions;
2289		3195
2290	$TICK_WATCHER->start;	3196	$TICK_WATCHER->start;
2291	Event::loop;	3197	Event::loop;
…		…
2307	},	3213	},
2308	);	3214	);
2309	}	3215	}
2310	}	3216	}
2311		3217
		3218	sub write_runtime {
		3219	my $runtime = "$LOCALDIR/runtime";
		3220
		3221	# first touch the runtime file to show we are still running:
		3222	# the fsync below can take a very very long time.
		3223
		3224	IO::AIO::aio_utime $runtime, undef, undef;
		3225
		3226	my $guard = cf::lock_acquire "write_runtime";
		3227
		3228	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3229	or return;
		3230
		3231	my $value = $cf::RUNTIME + 90 + 10;
		3232	# 10 is the runtime save interval, for a monotonic clock
		3233	# 60 allows for the watchdog to kill the server.
		3234
		3235	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3236	and return;
		3237
		3238	# always fsync - this file is important
		3239	aio_fsync $fh
		3240	and return;
		3241
		3242	# touch it again to show we are up-to-date
		3243	aio_utime $fh, undef, undef;
		3244
		3245	close $fh
		3246	or return;
		3247
		3248	aio_rename "$runtime~", $runtime
		3249	and return;
		3250
		3251	warn "runtime file written.\n";
		3252
		3253	1
		3254	}
		3255
2312	sub emergency_save() {	3256	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3257	my $freeze_guard = cf::freeze_mainloop;
2314		3258
2315	warn "enter emergency perl save\n";	3259	warn "enter emergency perl save\n";
2316		3260
…		…
2347		3291
2348	warn Carp::longmess "post_cleanup backtrace"	3292	warn Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3293	if $make_core;
2350	}	3294	}
2351		3295
2352	sub reload() {	3296	sub do_reload_perl() {
2353	# can/must only be called in main	3297	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3298	if ($Coro::current != $Coro::main) {
2355	warn "can only reload from main coroutine";	3299	warn "can only reload from main coroutine";
2356	return;	3300	return;
2357	}	3301	}
…		…
2382	Coro::cede;	3326	Coro::cede;
2383	last unless IO::AIO::nreqs || BDB::nreqs;	3327	last unless IO::AIO::nreqs || BDB::nreqs;
2384	warn "iterate...";	3328	warn "iterate...";
2385	}	3329	}
2386		3330
		3331	++$RELOAD;
		3332
2387	warn "cancelling all extension coros";	3333	warn "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;	3334	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();	3335	%EXT_CORO = ();
2390		3336
2391	warn "removing commands";	3337	warn "removing commands";
2392	%COMMAND = ();	3338	%COMMAND = ();
2393		3339
2394	warn "removing ext commands";	3340	warn "removing ext/exti commands";
2395	%EXTCMD = ();	3341	%EXTCMD = ();
		3342	%EXTICMD = ();
2396		3343
2397	warn "unloading/nuking all extensions";	3344	warn "unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {	3345	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";	3346	warn "... unloading $pkg";
2400		3347
…		…
2430	Symbol::delete_package "safe::$_"	3377	Symbol::delete_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		3379
2433	warn "unloading cf.pm \"a bit\"";	3380	warn "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3381	delete $INC{"cf.pm"};
		3382	delete $INC{"cf/pod.pm"};
2435		3383
2436	# don't, removes xs symbols, too,	3384	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3385	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3386	#Symbol::delete_package __PACKAGE__;
2439		3387
…		…
2442	warn "reloading cf.pm";	3390	warn "reloading cf.pm";
2443	require cf;	3391	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3392	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2445		3393
2446	warn "loading config and database again";	3394	warn "loading config and database again";
2447	cf::cfg_load;	3395	cf::reload_config;
2448		3396
2449	warn "loading extensions";	3397	warn "loading extensions";
2450	cf::load_extensions;	3398	cf::load_extensions;
2451		3399
2452	warn "reattaching attachments to objects/players";	3400	warn "reattaching attachments to objects/players";
2453	_global_reattach;	3401	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	3402	warn "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	3403	reattach $_ for values %MAP;
2456		3404	warn "reattaching attachments to players";
2457	warn "loading reloadable resources";	3405	reattach $_ for values %PLAYER;
2458	init_resources;
2459		3406
2460	warn "leaving sync_job";	3407	warn "leaving sync_job";
2461		3408
2462	1	3409	1
2463	} or do {	3410	} or do {
…		…
2469	warn "reloaded";	3416	warn "reloaded";
2470	};	3417	};
2471		3418
2472	our $RELOAD_WATCHER; # used only during reload	3419	our $RELOAD_WATCHER; # used only during reload
2473		3420
		3421	sub reload_perl() {
		3422	# doing reload synchronously and two reloads happen back-to-back,
		3423	# coro crashes during coro_state_free->destroy here.
		3424
		3425	$RELOAD_WATCHER ||= Event->timer (
		3426	reentrant => 0,
		3427	after => 0,
		3428	data => WF_AUTOCANCEL,
		3429	cb => sub {
		3430	do_reload_perl;
		3431	undef $RELOAD_WATCHER;
		3432	},
		3433	);
		3434	}
		3435
2474	register_command "reload" => sub {	3436	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3437	my ($who, $arg) = @_;
2476		3438
2477	if ($who->flag (FLAG_WIZ)) {	3439	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3440	$who->message ("reloading server.");
2479		3441	async { reload_perl };
2480	# doing reload synchronously and two reloads happen back-to-back,
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);
2492	}	3442	}
2493	};	3443	};
2494		3444
2495	unshift @INC, $LIBDIR;	3445	unshift @INC, $LIBDIR;
2496		3446
2497	my $bug_warning = 0;	3447	my $bug_warning = 0;
		3448
		3449	our @WAIT_FOR_TICK;
		3450	our @WAIT_FOR_TICK_BEGIN;
		3451
		3452	sub wait_for_tick {
		3453	return unless $TICK_WATCHER->is_active;
		3454	return if $Coro::current == $Coro::main;
		3455
		3456	my $signal = new Coro::Signal;
		3457	push @WAIT_FOR_TICK, $signal;
		3458	$signal->wait;
		3459	}
		3460
		3461	sub wait_for_tick_begin {
		3462	return unless $TICK_WATCHER->is_active;
		3463	return if $Coro::current == $Coro::main;
		3464
		3465	my $signal = new Coro::Signal;
		3466	push @WAIT_FOR_TICK_BEGIN, $signal;
		3467	$signal->wait;
		3468	}
2498		3469
2499	$TICK_WATCHER = Event->timer (	3470	$TICK_WATCHER = Event->timer (
2500	reentrant => 0,	3471	reentrant => 0,
2501	parked => 1,	3472	parked => 1,
2502	prio => 0,	3473	prio => 0,
…		…
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3478	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3479	unless ++$bug_warning > 10;
2509	return;	3480	return;
2510	}	3481	}
2511		3482
2512	$NOW = Event::time;	3483	$NOW = $tick_start = Event::time;
2513		3484
2514	cf::server_tick; # one server iteration	3485	cf::server_tick; # one server iteration
		3486
2515	$RUNTIME += $TICK;	3487	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;	3488	$NEXT_TICK += $TICK;
2517		3489
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	3491	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2521	write_runtime	3493	write_runtime
2522	or warn "ERROR: unable to write runtime file: $!";	3494	or warn "ERROR: unable to write runtime file: $!";
2523	};	3495	};
2524	}	3496	}
2525		3497
2526	$WAIT_FOR_TICK->broadcast;	3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3499	$sig->send;
		3500	}
		3501	while (my $sig = shift @WAIT_FOR_TICK) {
		3502	$sig->send;
		3503	}
2528		3504
2529	# my $AFTER = Event::time;	3505	$NOW = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531		3506
2532	# if we are delayed by four ticks or more, skip them all	3507	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3508	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2534		3509
2535	$TICK_WATCHER->at ($NEXT_TICK);	3510	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;	3511	$TICK_WATCHER->start;
		3512
		3513	$LOAD = ($NOW - $tick_start) / $TICK;
		3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3515
		3516	_post_tick;
2537	},	3517	},
2538	);	3518	);
2539		3519
2540	{	3520	{
		3521	BDB::min_parallel 8;
2541	BDB::max_poll_time $TICK * 0.1;	3522	BDB::max_poll_time $TICK * 0.1;
2542	$BDB_POLL_WATCHER = Event->io (	3523	$BDB_POLL_WATCHER = Event->io (
2543	reentrant => 0,	3524	reentrant => 0,
2544	fd => BDB::poll_fileno,	3525	fd => BDB::poll_fileno,
2545	poll => 'r',	3526	poll => 'r',
2546	prio => 0,	3527	prio => 0,
2547	data => WF_AUTOCANCEL,	3528	data => WF_AUTOCANCEL,
2548	cb => \&BDB::poll_cb,	3529	cb => \&BDB::poll_cb,
2549	);	3530	);
2550	BDB::min_parallel 8;
2551		3531
2552	BDB::set_sync_prepare {	3532	BDB::set_sync_prepare {
2553	my $status;	3533	my $status;
2554	my $current = $Coro::current;	3534	my $current = $Coro::current;
2555	(	3535	(
…		…
2564	)	3544	)
2565	};	3545	};
2566		3546
2567	unless ($DB_ENV) {	3547	unless ($DB_ENV) {
2568	$DB_ENV = BDB::db_env_create;	3548	$DB_ENV = BDB::db_env_create;
		3549	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3550	| BDB::LOG_AUTOREMOVE, 1);
		3551	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3552	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2569		3553
2570	cf::sync_job {	3554	cf::sync_job {
2571	eval {	3555	eval {
2572	BDB::db_env_open	3556	BDB::db_env_open
2573	$DB_ENV,	3557	$DB_ENV,
2574	$BDB_ENV_DIR,	3558	$BDBDIR,
2575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3559	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3560	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2577	0666;	3561	0666;
2578		3562
2579	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3563	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2580
2581	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2582	$DB_ENV->set_lk_detect;
2583	};	3564	};
2584		3565
2585	cf::cleanup "db_env_open(db): $@" if $@;	3566	cf::cleanup "db_env_open(db): $@" if $@;
2586	};	3567	};
2587	}	3568	}
		3569
		3570	$BDB_DEADLOCK_WATCHER = Event->timer (
		3571	after => 3,
		3572	interval => 1,
		3573	hard => 1,
		3574	prio => 0,
		3575	data => WF_AUTOCANCEL,
		3576	cb => sub {
		3577	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3578	},
		3579	);
		3580	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3581	after => 11,
		3582	interval => 60,
		3583	hard => 1,
		3584	prio => 0,
		3585	data => WF_AUTOCANCEL,
		3586	cb => sub {
		3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3588	},
		3589	);
		3590	$BDB_TRICKLE_WATCHER = Event->timer (
		3591	after => 5,
		3592	interval => 10,
		3593	hard => 1,
		3594	prio => 0,
		3595	data => WF_AUTOCANCEL,
		3596	cb => sub {
		3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3598	},
		3599	);
2588	}	3600	}
2589		3601
2590	{	3602	{
2591	IO::AIO::min_parallel 8;	3603	IO::AIO::min_parallel 8;
2592		3604
…		…
2600	prio => 6,	3612	prio => 6,
2601	cb => \&IO::AIO::poll_cb,	3613	cb => \&IO::AIO::poll_cb,
2602	);	3614	);
2603	}	3615	}
2604		3616
		3617	my $_log_backtrace;
		3618
		3619	sub _log_backtrace {
		3620	my ($msg, @addr) = @_;
		3621
		3622	$msg =~ s/\n//;
		3623
		3624	# limit the # of concurrent backtraces
		3625	if ($_log_backtrace < 2) {
		3626	++$_log_backtrace;
		3627	async {
		3628	my @bt = fork_call {
		3629	@addr = map { sprintf "%x", $_ } @addr;
		3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3632	or die "addr2line: $!";
		3633
		3634	my @funcs;
		3635	my @res = <$fh>;
		3636	chomp for @res;
		3637	while (@res) {
		3638	my ($func, $line) = splice @res, 0, 2, ();
		3639	push @funcs, "[$func] $line";
		3640	}
		3641
		3642	@funcs
		3643	};
		3644
		3645	LOG llevInfo, "[ABT] $msg\n";
		3646	LOG llevInfo, "[ABT] $_\n" for @bt;
		3647	--$_log_backtrace;
		3648	};
		3649	} else {
		3650	LOG llevInfo, "[ABT] $msg\n";
		3651	LOG llevInfo, "[ABT] [suppressed]\n";
		3652	}
		3653	}
		3654
		3655	# load additional modules
		3656	use cf::pod;
		3657
2605	END { cf::emergency_save }	3658	END { cf::emergency_save }
2606		3659
2607	1	3660	1
2608		3661

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines