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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.228 by root, Mon Mar 26 16:53:33 2007 UTC vs.
Revision 1.379 by root, Thu Oct 4 23:59:07 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.64 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
21		25
		26	use JSON::XS ();
22	use BDB ();	27	use BDB ();
23	use Data::Dumper;	28	use Data::Dumper;
24	use Digest::MD5;	29	use Digest::MD5;
25	use Fcntl;	30	use Fcntl;
26	use YAML::Syck ();	31	use YAML::Syck ();
27	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
28	use Time::HiRes;	33	use Time::HiRes;
29	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
30		36
31	# configure various modules to our taste	37	# configure various modules to our taste
32	#	38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		42
36	$Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
37		44
…		…
45	our %COMMAND = ();	52	our %COMMAND = ();
46	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
47		54
48	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
52		60
53	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
54	our @EVENT;	62	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		63
57	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58	our $TICK_WATCHER;	77	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	80	our $NEXT_TICK;
62	our $NOW;	81	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		83
65	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	88	our $DB_ENV;
67		89
68	our %CFG;	90	our %CFG;
69		91
70	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	93	our $RUNTIME;
72		94
73	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		98
82	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
85	binmode STDOUT;	106	binmode STDOUT;
86	binmode STDERR;	107	binmode STDERR;
87		108
88	# read virtual server time, if available	109	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
93	}	114	}
94		115
95	mkdir cf::localdir;	116	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		118
102	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
103		120
104	sub cf::map::normalise;	121	sub cf::map::normalise;
105		122
…		…
116	=item $cf::RUNTIME	133	=item $cf::RUNTIME
117		134
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	136	every server tick.
120		137
121	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		141
123	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
125		146
126	=item $cf::NOW	147	=item $cf::NOW
127		148
128	The time of the last (current) server tick.	149	The time of the last (current) server tick.
129		150
130	=item $cf::TICK	151	=item $cf::TICK
131		152
132	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
133		164
134	=item %cf::CFG	165	=item %cf::CFG
135		166
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	168	from wherever your confdir points to.
138		169
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		171
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
145		181
146	=back	182	=back
147		183
148	=cut	184	=cut
149		185
150	BEGIN {	186	BEGIN {
151	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	188	my $msg = join "", @_;
153	utf8::encode $msg;
154		189
155	$msg .= "\n"	190	$msg .= "\n"
156	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
157		194
158	LOG llevError, $msg;	195	LOG llevError, $msg;
159	};	196	};
160	}	197	}
161		198
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		206
169	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	208	# within the Safe compartment.
171	for my $pkg (qw(	209	for my $pkg (qw(
172	cf::global cf::attachable	210	cf::global cf::attachable
…		…
180	}	218	}
181		219
182	$Event::DIED = sub {	220	$Event::DIED = sub {
183	warn "error in event callback: @_";	221	warn "error in event callback: @_";
184	};	222	};
		223
		224	#############################################################################
185		225
186	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
187		227
188	=over 4	228	=over 4
189		229
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	249	$d
210	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
211	}	251	}
212		252
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
216		254
217	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
218		256
219	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
220		258
221	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
222		267
223	=item cf::lock_wait $string	268	=item cf::lock_wait $string
224		269
225	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
226		271
…		…
229	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
232	returned.	277	returned.
233		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
234	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
236		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
237	=cut	289	=cut
238		290
239	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
240		293
241	sub lock_wait($) {	294	sub lock_wait($) {
242	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
243		301
244	# wait for lock, if any	302	# wait for lock, if any
245	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	305	Coro::schedule;
…		…
253		311
254	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
255	lock_wait $key;	313	lock_wait $key;
256		314
257	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
258		317
259	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
262	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
263	}	329	}
264		330
265	sub freeze_mainloop {	331	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
267		333
…		…
270	};	336	};
271	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
272	$guard	338	$guard
273	}	339	}
274		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
275	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
276		400
277	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
282		406
283	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
284		408
285	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
286		410
287	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
290		415
291	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
294	fast or be very important.	419	fast or be very important.
…		…
297		422
298	sub sync_job(&) {	423	sub sync_job(&) {
299	my ($job) = @_;	424	my ($job) = @_;
300		425
301	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
302	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
304		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
305	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	435	# (but this is cancel-safe)
307	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
308		437
309	my $busy = 1;	438	my $busy = 1;
310	my @res;	439	my @res;
311		440
312	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	443	@res = eval { $job->() };
314	warn $@ if $@;	444	warn $@ if $@;
315	undef $busy;	445	undef $busy;
316	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
317		447
318	while ($busy) {	448	while ($busy) {
319	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
320	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
321		458
322	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
323	} else {	460	} else {
324	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
325		462
…		…
345	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
346		483
347	$coro	484	$coro
348	}	485	}
349		486
350	sub write_runtime {	487	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		488
353	my $runtime = cf::localdir . "/runtime";	489	Executes the given code block with the given arguments in a seperate
		490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
354		493
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	494	=cut
356	or return;
357		495
358	my $value = $cf::RUNTIME + 90 + 10;	496	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	497	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		498
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	499	# we seemingly have to make a local copy of the whole thing,
363	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
364		502
365	# always fsync - this file is important	503	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	504	reset_signals;
367	and return;	505	&$cb
		506	}, @args;
368		507
369	close $fh	508	wantarray ? @res : $res[-1]
370	or return;	509	}
371		510
372	aio_rename "$runtime~", $runtime	511	=item $value = cf::db_get $family => $key
373	and return;
374		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
375	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	647	}
377		648
378	=back	649	=back
379		650
380	=cut	651	=cut
…		…
387	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
388	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
389		660
390	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
391	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
392	crossfire+).	663	Crossfire TRT).
393		664
394	=over 4	665	=over 4
395		666
396	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
397		668
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
561		832
562	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		837
567	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	839	my $pkg = shift @arg;
569		840
570	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
600	}	871	}
601		872
602	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
603	} else {	874	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	876	}
606		877
607	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
608	}	879	}
609		880
…		…
611	if (ref $_[0]) {	882	if (ref $_[0]) {
612	_object_attach @_;	883	_object_attach @_;
613	} else {	884	} else {
614	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
615	}	886	}
		887	_recalc_want;
616	};	888	};
617		889
618	# all those should be optimised	890	# all those should be optimised
619	sub cf::attachable::detach {	891	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
624	reattach ($obj);	896	reattach ($obj);
625	} else {	897	} else {
626	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
627	}	899	}
		900	_recalc_want;
628	};	901	};
629		902
630	sub cf::attachable::attached {	903	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
632		905
…		…
647	";	920	";
648	die if $@;	921	die if $@;
649	}	922	}
650		923
651	our $override;	924	our $override;
652	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653		926
654	sub override {	927	sub override {
655	$override = 1;	928	$override = 1;
656	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
657	}	930	}
658		931
659	sub do_invoke {	932	sub do_invoke {
660	my $event = shift;	933	my $event = shift;
661	my $callbacks = shift;	934	my $callbacks = shift;
662		935
663	@invoke_results = ();	936	@INVOKE_RESULTS = ();
664		937
665	local $override;	938	local $override;
666		939
667	for (@$callbacks) {	940	for (@$callbacks) {
668	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
685		958
686	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
687		960
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		964
692	=back	965	=back
693		966
694	=cut	967	=cut
695		968
696	#############################################################################	969	#############################################################################
697	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
698		982
699	sub reattach {	983	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	985	my ($obj) = @_;
702		986
…		…
749	sub object_freezer_save {	1033	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
751		1035
752	sync_job {	1036	sync_job {
753	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
756		1041
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
…		…
779	}	1064	}
780	} else {	1065	} else {
781	aio_unlink $filename;	1066	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
783	}	1068	}
784	}	1069	};
785	}	1070	}
786		1071
787	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
789		1074
…		…
801	or return;	1086	or return;
802		1087
803	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
805	or return;	1090	or return;
		1091
806	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
807	}	1093	}
808		1094
		1095	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1096	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1097	$decname, length $data, scalar @{$av || []};
		1098
811	return ($data, $av);	1099	($data, $av)
812	}	1100	}
		1101
		1102	=head2 COMMAND CALLBACKS
		1103
		1104	=over 4
		1105
		1106	=cut
813		1107
814	#############################################################################	1108	#############################################################################
815	# command handling &c	1109	# command handling &c
816		1110
817	=item cf::register_command $name => \&callback($ob,$args);	1111	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1124	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1125	}
832		1126
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1127	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1128
835	Register a callbackf ro execution when the client sends an extcmd packet.	1129	Register a callback for execution when the client sends an (synchronous)
		1130	extcmd packet. Ext commands will be processed in the order they are
		1131	received by the server, like other user commands. The first argument is
		1132	the logged-in player. Ext commands can only be processed after a player
		1133	has logged in successfully.
836		1134
837	If the callback returns something, it is sent back as if reply was being	1135	If the callback returns something, it is sent back as if reply was being
838	called.	1136	called.
839		1137
		1138	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1139
		1140	Register a callback for execution when the client sends an (asynchronous)
		1141	exticmd packet. Exti commands are processed by the server as soon as they
		1142	are received, i.e. out of order w.r.t. other commands. The first argument
		1143	is a client socket. Exti commands can be received anytime, even before
		1144	log-in.
		1145
		1146	If the callback returns something, it is sent back as if reply was being
		1147	called.
		1148
840	=cut	1149	=cut
841		1150
842	sub register_extcmd {	1151	sub register_extcmd {
843	my ($name, $cb) = @_;	1152	my ($name, $cb) = @_;
844		1153
845	$EXTCMD{$name} = $cb;	1154	$EXTCMD{$name} = $cb;
		1155	}
		1156
		1157	sub register_exticmd {
		1158	my ($name, $cb) = @_;
		1159
		1160	$EXTICMD{$name} = $cb;
846	}	1161	}
847		1162
848	cf::player->attach (	1163	cf::player->attach (
849	on_command => sub {	1164	on_command => sub {
850	my ($pl, $name, $params) = @_;	1165	my ($pl, $name, $params) = @_;
…		…
859	cf::override;	1174	cf::override;
860	},	1175	},
861	on_extcmd => sub {	1176	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1177	my ($pl, $buf) = @_;
863		1178
864	my $msg = eval { from_json $buf };	1179	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1180
866	if (ref $msg) {	1181	if (ref $msg) {
		1182	my ($type, $reply, @payload) =
		1183	"ARRAY" eq ref $msg
		1184	? @$msg
		1185	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1186
		1187	my @reply;
		1188
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1189	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1190	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1191	}
		1192
		1193	$pl->ext_reply ($reply, @reply)
		1194	if $reply;
		1195
872	} else {	1196	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1197	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1198	}
875		1199
876	cf::override;	1200	cf::override;
877	},	1201	},
878	);	1202	);
879		1203
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	1204	sub load_extensions {
		1205	cf::sync_job {
		1206	my %todo;
		1207
915	for my $ext (<$LIBDIR/*.ext>) {	1208	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1209	next unless -r $path;
917	eval {	1210
918	load_extension $ext;	1211	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1212	my $base = $1;
		1213	my $pkg = $1;
		1214	$pkg =~ s/[^[:word:]]/_/g;
		1215	$pkg = "ext::$pkg";
		1216
		1217	open my $fh, "<:utf8", $path
		1218	or die "$path: $!";
		1219
		1220	my $source = do { local $/; <$fh> };
		1221
		1222	my %ext = (
		1223	path => $path,
		1224	base => $base,
		1225	pkg => $pkg,
		1226	);
		1227
		1228	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1229	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1230
		1231	$ext{source} =
		1232	"package $pkg; use strict; use utf8;\n"
		1233	. "#line 1 \"$path\"\n{\n"
		1234	. $source
		1235	. "\n};\n1";
		1236
		1237	$todo{$base} = \%ext;
		1238	}
		1239
		1240	my %done;
		1241	while (%todo) {
		1242	my $progress;
		1243
		1244	while (my ($k, $v) = each %todo) {
		1245	for (split /,\s*/, $v->{meta}{depends}) {
		1246	goto skip
		1247	unless exists $done{$_};
		1248	}
		1249
		1250	warn "... loading '$k' into '$v->{pkg}'\n";
		1251
		1252	unless (eval $v->{source}) {
		1253	my $msg = $@ ? "$v->{path}: $@\n"
		1254	: "$v->{base}: extension inactive.\n";
		1255
		1256	if (exists $v->{meta}{mandatory}) {
		1257	warn $msg;
		1258	warn "mandatory extension failed to load, exiting.\n";
		1259	exit 1;
		1260	}
		1261
		1262	warn $msg;
		1263	}
		1264
		1265	$done{$k} = delete $todo{$k};
		1266	push @EXTS, $v->{pkg};
		1267	$progress = 1;
919	1	1268	}
920	} or warn "$ext not loaded: $@";	1269
		1270	skip:
		1271	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1272	unless $progress;
		1273	}
921	}	1274	};
922	}	1275	}
923		1276
924	#############################################################################	1277	#############################################################################
925		1278
		1279	=back
		1280
926	=head2 CORE EXTENSIONS	1281	=head2 CORE EXTENSIONS
927		1282
928	Functions and methods that extend core crossfire objects.	1283	Functions and methods that extend core crossfire objects.
929		1284
930	=cut	1285	=cut
…		…
935		1290
936	=head3 cf::player	1291	=head3 cf::player
937		1292
938	=over 4	1293	=over 4
939		1294
		1295	=item cf::player::num_playing
		1296
		1297	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1298
		1299	=cut
		1300
		1301	sub num_playing {
		1302	scalar grep
		1303	$_->ob->map
		1304	&& !$_->hidden
		1305	&& !$_->ob->flag (cf::FLAG_WIZ),
		1306	cf::player::list
		1307	}
		1308
940	=item cf::player::find $login	1309	=item cf::player::find $login
941		1310
942	Returns the given player object, loading it if necessary (might block).	1311	Returns the given player object, loading it if necessary (might block).
943		1312
944	=cut	1313	=cut
945		1314
946	sub playerdir($) {	1315	sub playerdir($) {
947	cf::localdir	1316	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1317	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1318	}
953		1319
954	sub path($) {	1320	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1321	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1322
957	(playerdir $login) . "/$login.pl"	1323	(playerdir $login) . "/playerdata"
958	}	1324	}
959		1325
960	sub find_active($) {	1326	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1327	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1328	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1341	my $login = $_[0];
976		1342
977	my $guard = cf::lock_acquire "user_find:$login";	1343	my $guard = cf::lock_acquire "user_find:$login";
978		1344
979	$cf::PLAYER{$_[0]} || do {	1345	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1346	# rename old playerfiles to new ones
		1347	#TODO: remove when no longer required
		1348	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1349	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1350	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1351	aio_unlink +(playerdir $login) . "/$login.pl";
		1352
		1353	my $f = new_from_file cf::object::thawer path $login
981	or return;	1354	or return;
		1355
		1356	my $pl = cf::player::load_pl $f
		1357	or return;
		1358	local $cf::PLAYER_LOADING{$login} = $pl;
		1359	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1360	$cf::PLAYER{$login} = $pl
983	}	1361	}
984	}	1362	}
985	}	1363	}
986		1364
…		…
996		1374
997	aio_mkdir playerdir $pl, 0770;	1375	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1376	$pl->{last_save} = $cf::RUNTIME;
999		1377
1000	$pl->save_pl ($path);	1378	$pl->save_pl ($path);
1001	Coro::cede;	1379	cf::cede_to_tick;
1002	}	1380	}
1003		1381
1004	sub new($) {	1382	sub new($) {
1005	my ($login) = @_;	1383	my ($login) = @_;
1006		1384
…		…
1010	$self->{deny_save} = 1;	1388	$self->{deny_save} = 1;
1011		1389
1012	$cf::PLAYER{$login} = $self;	1390	$cf::PLAYER{$login} = $self;
1013		1391
1014	$self	1392	$self
		1393	}
		1394
		1395	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1396
		1397	=cut
		1398
		1399	sub send_msg {
		1400	my $ns = shift->ns
		1401	or return;
		1402	$ns->send_msg (@_);
1015	}	1403	}
1016		1404
1017	=item $pl->quit_character	1405	=item $pl->quit_character
1018		1406
1019	Nukes the player without looking back. If logged in, the connection will	1407	Nukes the player without looking back. If logged in, the connection will
…		…
1068	while and may block, so not sync_job-capable, ever.	1456	while and may block, so not sync_job-capable, ever.
1069		1457
1070	=cut	1458	=cut
1071		1459
1072	sub list_logins {	1460	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1461	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1462	or return [];
1075		1463
1076	my @logins;	1464	my @logins;
1077		1465
1078	for my $login (@$dirs) {	1466	for my $login (@$dirs) {
		1467	my $path = path $login;
		1468
		1469	# a .pst is a dead give-away for a valid player
		1470	unless (-e "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1471	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1472	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1473	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1474	}
1082		1475
1083	utf8::decode $login;	1476	utf8::decode $login;
1084	push @logins, $login;	1477	push @logins, $login;
1085	}	1478	}
1086		1479
…		…
1113	}	1506	}
1114		1507
1115	\@paths	1508	\@paths
1116	}	1509	}
1117		1510
		1511	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1512
		1513	Expand crossfire pod fragments into protocol xml.
		1514
		1515	=cut
		1516
		1517	sub expand_cfpod {
		1518	((my $self), (local $_)) = @_;
		1519
		1520	# escape & and <
		1521	s/&/&amp;/g;
		1522	s/(?<![BIUGHT])</&lt;/g;
		1523
		1524	# this is buggy, it needs to properly take care of nested <'s
		1525
		1526	1 while
		1527	# replace B<>, I<>, U<> etc.
		1528	s/B<([^\>]*)>/<b>$1<\/b>/
		1529	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1530	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1531	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1532	# replace G<male|female> tags
		1533	|| s{G<([^>|]*)\|([^>]*)>}{
		1534	$self->gender ? $2 : $1
		1535	}ge
		1536	# replace H<hint text>
		1537	|| s{H<([^\>]*)>}
		1538	{
		1539	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1540	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1541	"")
		1542	[$self->{hintmode}]
		1543	}ge;
		1544
		1545	# create single paragraphs (very hackish)
		1546	s/(?<=\S)\n(?=\w)/ /g;
		1547
		1548	# compress some whitespace
		1549	s/\s+\n/\n/g; # ws line-ends
		1550	s/\n\n+/\n/g; # double lines
		1551	s/^\n+//; # beginning lines
		1552	s/\n+$//; # ending lines
		1553
		1554	$_
		1555	}
		1556
		1557	sub hintmode {
		1558	$_[0]{hintmode} = $_[1] if @_ > 1;
		1559	$_[0]{hintmode}
		1560	}
		1561
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1562	=item $player->ext_reply ($msgid, @msg)
1119		1563
1120	Sends an ext reply to the player.	1564	Sends an ext reply to the player.
1121		1565
1122	=cut	1566	=cut
1123		1567
1124	sub ext_reply($$$%) {	1568	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1569	my ($self, $id, @msg) = @_;
1126		1570
1127	$msg{msgid} = $id;	1571	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1572	}
1131		1573
1132	package cf;	1574	=item $player->ext_msg ($type, @msg)
		1575
		1576	Sends an ext event to the client.
		1577
		1578	=cut
		1579
		1580	sub ext_msg($$@) {
		1581	my ($self, $type, @msg) = @_;
		1582
		1583	$self->ns->ext_msg ($type, @msg);
		1584	}
		1585
		1586	=head3 cf::region
		1587
		1588	=over 4
		1589
		1590	=cut
		1591
		1592	package cf::region;
		1593
		1594	=item cf::region::find_by_path $path
		1595
		1596	Tries to decuce the likely region for a map knowing only its path.
		1597
		1598	=cut
		1599
		1600	sub find_by_path($) {
		1601	my ($path) = @_;
		1602
		1603	my ($match, $specificity);
		1604
		1605	for my $region (list) {
		1606	if ($region->{match} && $path =~ $region->{match}) {
		1607	($match, $specificity) = ($region, $region->specificity)
		1608	if $region->specificity > $specificity;
		1609	}
		1610	}
		1611
		1612	$match
		1613	}
1133		1614
1134	=back	1615	=back
1135
1136		1616
1137	=head3 cf::map	1617	=head3 cf::map
1138		1618
1139	=over 4	1619	=over 4
1140		1620
…		…
1195	my ($self, $merge) = @_;	1675	my ($self, $merge) = @_;
1196		1676
1197	# we have to keep some variables in memory intact	1677	# we have to keep some variables in memory intact
1198	local $self->{path};	1678	local $self->{path};
1199	local $self->{load_path};	1679	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1680
1203	$self->SUPER::thawer_merge ($merge);	1681	$self->SUPER::thawer_merge ($merge);
1204	}	1682	}
1205		1683
1206	sub normalise {	1684	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1731	$self->init; # pass $1 etc.
1254	return $self;	1732	return $self;
1255	}	1733	}
1256	}	1734	}
1257		1735
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1736	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1737	()
1260	}	1738	}
1261		1739
1262	sub init {	1740	sub init {
1263	my ($self) = @_;	1741	my ($self) = @_;
…		…
1278		1756
1279	# the original (read-only) location	1757	# the original (read-only) location
1280	sub load_path {	1758	sub load_path {
1281	my ($self) = @_;	1759	my ($self) = @_;
1282		1760
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1761	"$MAPDIR/$self->{path}.map"
1284	}	1762	}
1285		1763
1286	# the temporary/swap location	1764	# the temporary/swap location
1287	sub save_path {	1765	sub save_path {
1288	my ($self) = @_;	1766	my ($self) = @_;
1289		1767
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1768	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1769	"$TMPDIR/$path.map"
1292	}	1770	}
1293		1771
1294	# the unique path, undef == no special unique path	1772	# the unique path, undef == no special unique path
1295	sub uniq_path {	1773	sub uniq_path {
1296	my ($self) = @_;	1774	my ($self) = @_;
1297		1775
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1776	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1777	"$UNIQUEDIR/$path"
1300	}	1778	}
1301		1779
1302	# and all this just because we cannot iterate over	1780	# and all this just because we cannot iterate over
1303	# all maps in C++...	1781	# all maps in C++...
1304	sub change_all_map_light {	1782	sub change_all_map_light {
…		…
1306		1784
1307	$_->change_map_light ($change)	1785	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1786	for grep $_->outdoor, values %cf::MAP;
1309	}	1787	}
1310		1788
		1789	sub decay_objects {
		1790	my ($self) = @_;
		1791
		1792	return if $self->{deny_reset};
		1793
		1794	$self->do_decay_objects;
		1795	}
		1796
1311	sub unlink_save {	1797	sub unlink_save {
1312	my ($self) = @_;	1798	my ($self) = @_;
1313		1799
1314	utf8::encode (my $save = $self->save_path);	1800	utf8::encode (my $save = $self->save_path);
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1801	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1318		1804
1319	sub load_header_from($) {	1805	sub load_header_from($) {
1320	my ($self, $path) = @_;	1806	my ($self, $path) = @_;
1321		1807
1322	utf8::encode $path;	1808	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1809	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1810	or return;
		1811
		1812	$self->_load_header ($f)
		1813	or return;
		1814
		1815	local $MAP_LOADING{$self->{path}} = $self;
		1816	$f->resolve_delayed_derefs;
1328		1817
1329	$self->{load_path} = $path;	1818	$self->{load_path} = $path;
1330		1819
1331	1	1820	1
1332	}	1821	}
…		…
1371	$self->load_header_orig	1860	$self->load_header_orig
1372	or return;	1861	or return;
1373	$self->prepare_orig;	1862	$self->prepare_orig;
1374	}	1863	}
1375		1864
		1865	$self->{deny_reset} = 1
		1866	if $self->no_reset;
		1867
		1868	$self->default_region (cf::region::find_by_path $self->{path})
		1869	unless $self->default_region;
		1870
1376	1	1871	1
1377	}	1872	}
1378		1873
1379	sub find;	1874	sub find;
1380	sub find {	1875	sub find {
1381	my ($path, $origin) = @_;	1876	my ($path, $origin) = @_;
1382		1877
1383	$path = normalise $path, $origin && $origin->path;	1878	$path = normalise $path, $origin && $origin->path;
1384		1879
		1880	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1881	cf::lock_wait "map_find:$path";
1386		1882
1387	$cf::MAP{$path} || do {	1883	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";	1884	my $guard1 = cf::lock_acquire "map_find:$path";
		1885	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1886
1389	my $map = new_from_path cf::map $path	1887	my $map = new_from_path cf::map $path
1390	or return;	1888	or return;
1391		1889
1392	$map->{last_save} = $cf::RUNTIME;	1890	$map->{last_save} = $cf::RUNTIME;
1393		1891
1394	$map->load_header	1892	$map->load_header
1395	or return;	1893	or return;
1396		1894
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1895	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1896	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1897	#$cf::WAIT_FOR_TICK->wait;
		1898	undef $guard1;
		1899	undef $guard2;
1400	$map->reset;	1900	$map->reset;
1401	undef $guard;
1402	return find $path;	1901	return find $path;
1403	}	1902	}
1404		1903
1405	$cf::MAP{$path} = $map	1904	$cf::MAP{$path} = $map
1406	}	1905	}
…		…
1413	my ($self) = @_;	1912	my ($self) = @_;
1414		1913
1415	local $self->{deny_reset} = 1; # loading can take a long time	1914	local $self->{deny_reset} = 1; # loading can take a long time
1416		1915
1417	my $path = $self->{path};	1916	my $path = $self->{path};
		1917
		1918	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1919	my $guard = cf::lock_acquire "map_data:$path";
1419		1920
		1921	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1922	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1923
1422	$self->in_memory (cf::MAP_LOADING);	1924	$self->in_memory (cf::MAP_LOADING);
1423		1925
1424	$self->alloc;	1926	$self->alloc;
1425		1927
1426	$self->pre_load;	1928	$self->pre_load;
		1929	cf::cede_to_tick;
1427		1930
1428	$self->_load_objects ($self->{load_path}, 1)	1931	my $f = new_from_file cf::object::thawer $self->{load_path};
		1932	$f->skip_block;
		1933	$self->_load_objects ($f)
1429	or return;	1934	or return;
1430		1935
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1936	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	1937	if delete $self->{load_original};
1433		1938
1434	if (my $uniq = $self->uniq_path) {	1939	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	1940	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	1941	unless (aio_stat $uniq) {
		1942	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	1943	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	1944	$self->_load_objects ($f);
		1945	$f->resolve_delayed_derefs;
		1946	}
1439	}	1947	}
1440	}	1948	}
1441		1949
1442	Coro::cede;	1950	$f->resolve_delayed_derefs;
1443		1951
		1952	cf::cede_to_tick;
1444	# now do the right thing for maps	1953	# now do the right thing for maps
1445	$self->link_multipart_objects;	1954	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	1955	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1956	unless $self->difficulty;
1455	Coro::cede;	1957	cf::cede_to_tick;
		1958
		1959	unless ($self->{deny_activate}) {
		1960	$self->decay_objects;
		1961	$self->fix_auto_apply;
		1962	$self->update_buttons;
		1963	cf::cede_to_tick;
		1964	$self->set_darkness_map;
		1965	cf::cede_to_tick;
1456	$self->activate;	1966	$self->activate;
		1967	}
		1968
		1969	$self->{last_save} = $cf::RUNTIME;
		1970	$self->last_access ($cf::RUNTIME);
		1971
		1972	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1973	}
1458		1974
1459	$self->post_load;	1975	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1976	}
1463		1977
1464	sub customise_for {	1978	sub customise_for {
1465	my ($self, $ob) = @_;	1979	my ($self, $ob) = @_;
1466		1980
1467	return find "~" . $ob->name . "/" . $self->{path}	1981	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1982	if $self->per_player;
1469		1983
		1984	# return find "?party/" . $ob->name . "/" . $self->{path}
		1985	# if $self->per_party;
		1986
1470	$self	1987	$self
1471	}	1988	}
1472		1989
1473	# find and load all maps in the 3x3 area around a map	1990	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	1991	sub load_neighbours {
1475	my ($map) = @_;	1992	my ($map) = @_;
1476		1993
1477	my @diag; # diagonal neighbours	1994	my @neigh; # diagonal neighbours
1478		1995
1479	for (0 .. 3) {	1996	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	1997	my $neigh = $map->tile_path ($_)
1481	or next;	1998	or next;
1482	$neigh = find $neigh, $map	1999	$neigh = find $neigh, $map
1483	or next;	2000	or next;
1484	$neigh->load;	2001	$neigh->load;
1485		2002
		2003	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2004	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2005	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2006	}
1489		2007
1490	for (@diag) {	2008	for (grep defined $_->[0], @neigh) {
		2009	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2010	my $neigh = find $path, $origin
1492	or next;	2011	or next;
1493	$neigh->load;	2012	$neigh->load;
1494	}	2013	}
1495	}	2014	}
1496		2015
…		…
1501	}	2020	}
1502		2021
1503	sub do_load_sync {	2022	sub do_load_sync {
1504	my ($map) = @_;	2023	my ($map) = @_;
1505		2024
		2025	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2026	if $Coro::current == $Coro::main;
		2027
1506	cf::sync_job { $map->load };	2028	cf::sync_job { $map->load };
1507	}	2029	}
1508		2030
1509	our %MAP_PREFETCH;	2031	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2032	our $MAP_PREFETCHER = undef;
1511		2033
1512	sub find_async {	2034	sub find_async {
1513	my ($path, $origin) = @_;	2035	my ($path, $origin, $load) = @_;
1514		2036
1515	$path = normalise $path, $origin && $origin->{path};	2037	$path = normalise $path, $origin && $origin->{path};
1516		2038
1517	if (my $map = $cf::MAP{$path}) {	2039	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2040	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2041	}
1520		2042
1521	undef $MAP_PREFETCH{$path};	2043	$MAP_PREFETCH{$path} |= $load;
		2044
1522	$MAP_PREFETCHER ||= cf::async {	2045	$MAP_PREFETCHER ||= cf::async {
		2046	$Coro::current->{desc} = "map prefetcher";
		2047
1523	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2050	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2051	$map->load if $v;
		2052	}
1528		2053
1529	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1530	}	2055	}
1531	}	2056	}
1532	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1533	};	2058	};
1534	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2062	}
1538		2063
1539	sub save {	2064	sub save {
1540	my ($self) = @_;	2065	my ($self) = @_;
1541		2066
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2068
1544	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1545		2070
1546	return unless $self->dirty;	2071	return unless $self->dirty;
1547		2072
…		…
1553	return if $self->{deny_save};	2078	return if $self->{deny_save};
1554		2079
1555	local $self->{last_access} = $self->last_access;#d#	2080	local $self->{last_access} = $self->last_access;#d#
1556		2081
1557	cf::async {	2082	cf::async {
		2083	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2084	$_->contr->save for $self->players;
1559	};	2085	};
1560		2086
1561	if ($uniq) {	2087	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1570	my ($self) = @_;	2096	my ($self) = @_;
1571		2097
1572	# save first because save cedes	2098	# save first because save cedes
1573	$self->save;	2099	$self->save;
1574		2100
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2102
1577	return if $self->players;	2103	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2105	return if $self->{deny_save};
1580		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2111	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2112	}
1584		2113
1585	sub reset_at {	2114	sub reset_at {
1586	my ($self) = @_;	2115	my ($self) = @_;
1587		2116
1588	# TODO: safety, remove and allow resettable per-player maps	2117	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2118	return 1e99 if $self->{deny_reset};
1591		2119
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2122
…		…
1605	my ($self) = @_;	2133	my ($self) = @_;
1606		2134
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2136
1609	return if $self->players;	2137	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2138
1612	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
1613		2140
1614	$self->in_memory (cf::MAP_SWAPPED);	2141	$self->in_memory (cf::MAP_SWAPPED);
1615		2142
1616	# need to save uniques path	2143	# need to save uniques path
1617	unless ($self->{deny_save}) {	2144	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2148	if $uniq;
1622	}	2149	}
1623		2150
1624	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1625		2152
		2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2155	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2156
1630	$self->unlink_save;	2157	$self->unlink_save;
1631	$self->destroy;	2158	$self->destroy;
1632	}	2159	}
1633		2160
1634	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1635		2162
1636	sub nuke {	2163	sub nuke {
1637	my ($self) = @_;	2164	my ($self) = @_;
1638		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1639	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1640		2170
1641	$self->unlink_save;	2171	$self->unlink_save;
1642		2172
1643	bless $self, "cf::map";	2173	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2178
1649	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1650		2181
1651	$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	]
1652	}	2219	}
1653		2220
1654	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1655		2222
1656	Returns an arrayref of paths of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2224	instantiated unique items. May block.
1658		2225
1659	=cut	2226	=cut
1660		2227
1661	sub unique_maps() {	2228	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2229	[
1663	or return;	2230	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2231	utf8::decode $_;
1669	next if /\.pst$/;	2232	/\.map$/
1670	next unless /^$PATH_SEP/o;	2233	? normalise $_
1671		2234	: ()
1672	push @paths, cf::map::normalise $_;	2235	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2236	]
1674
1675	\@paths
1676	}	2237	}
1677		2238
1678	package cf;	2239	package cf;
1679		2240
1680	=back	2241	=back
…		…
1698	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1699	}	2260	}
1700		2261
1701	sub inv_recursive {	2262	sub inv_recursive {
1702	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 ($ref) = @_;
		2279
		2280	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2281	my ($uuid, $name) = ($1, $2);
		2282	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2283	or return;
		2284	$pl->ob->uuid eq $uuid
		2285	or return;
		2286
		2287	$pl->ob
		2288	} else {
		2289	warn "$ref: cannot resolve object reference\n";
		2290	undef
		2291	}
1703	}	2292	}
1704		2293
1705	package cf;	2294	package cf;
1706		2295
1707	=back	2296	=back
…		…
1726		2315
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2316	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2317
1729	if ($self->{record_replies}) {	2318	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2319	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2320
1731	} else {	2321	} else {
		2322	my $pl = $self->contr;
		2323
		2324	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2325	my $dialog = $pl->{npc_dialog};
		2326	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2327
		2328	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2329	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2330	$self->message ($msg, $flags);
		2331	}
1734	}	2332	}
		2333	}
		2334
		2335	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2336
		2337	=cut
		2338
		2339	sub cf::object::send_msg {
		2340	my $pl = shift->contr
		2341	or return;
		2342	$pl->send_msg (@_);
1735	}	2343	}
1736		2344
1737	=item $player_object->may ("access")	2345	=item $player_object->may ("access")
1738		2346
1739	Returns wether the given player is authorized to access resource "access"	2347	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2394	$self->deactivate_recursive;
1787		2395
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2396	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2397
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2398	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2399	if $self->map && $self->map->{path} ne "{link}";
1792		2400
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2401	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2402	}
1795		2403
1796	sub cf::object::player::leave_link {	2404	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2405	my ($self, $map, $x, $y) = @_;
		2406
		2407	return unless $self->contr->active;
1798		2408
1799	my $link_pos = delete $self->{_link_pos};	2409	my $link_pos = delete $self->{_link_pos};
1800		2410
1801	unless ($map) {	2411	unless ($map) {
1802	# restore original map position	2412	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2426	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2427	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2428	if $x <=0 && $y <= 0;
1819		2429
1820	$map->load;	2430	$map->load;
1821	$map->load_diag;	2431	$map->load_neighbours;
1822		2432
1823	return unless $self->contr->active;	2433	return unless $self->contr->active;
1824	$self->activate_recursive;	2434	$self->activate_recursive;
1825		2435
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2436	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2437	$self->enter_map ($map, $x, $y);
1828	}	2438	}
1829		2439
1830	cf::player->attach (	2440	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2441
1834	# abort map switching before logout	2442	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2443	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2444	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2445	the new (success) or old (failed) map position. In either case, $done will
1838	};	2446	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2447
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2448	=cut
		2449
		2450	our $GOTOGEN;
1865		2451
1866	sub cf::object::player::goto {	2452	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2453	my ($self, $path, $x, $y, $check, $done) = @_;
		2454
		2455	# do generation counting so two concurrent goto's will be executed in-order
		2456	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2457
1869	$self->enter_link;	2458	$self->enter_link;
1870		2459
1871	(async {	2460	(async {
		2461	$Coro::current->{desc} = "player::goto $path $x $y";
		2462
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
1872	my $map = eval {	2482	my $map = eval {
1873	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
		2487	$map = $check->($map) if $check && $map;
		2488	} else {
		2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
		2491
1875	$map	2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2498	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1880	})->prio (1);	2506	})->prio (1);
1881	}	2507	}
1882		2508
1883	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1884		2510
…		…
1923		2549
1924	$rmp->{random_seed} ||= $exit->random_seed;	2550	$rmp->{random_seed} ||= $exit->random_seed;
1925		2551
1926	my $data = cf::to_json $rmp;	2552	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2553	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2554	my $meta = "$RANDOMDIR/$md5.meta";
1929		2555
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2557	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2558	undef $fh;
1933	aio_rename "$meta~", $meta;	2559	aio_rename "$meta~", $meta;
…		…
1942		2568
1943	return unless $self->type == cf::PLAYER;	2569	return unless $self->type == cf::PLAYER;
1944		2570
1945	if ($exit->slaying eq "/!") {	2571	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2573	# the problem is that $exit might not survive long enough
		2574	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2575	cf::sync_job { prepare_random_map $exit };
1948	}	2576	}
1949		2577
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
1953		2581
1954	$self->enter_link;	2582	$self->enter_link;
1955		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
		2587
1956	(async {	2588	(async {
		2589	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2590
1957	$self->deactivate_recursive; # just to be sure	2591	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2592	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2593	$self->goto ($slaying, $hp, $sp);
1960		2594
1961	1;	2595	1;
1962	}) {	2596	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2597	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2598	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2599	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2600	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2601
1968	warn "ERROR in enter_exit: $@";	2602	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2603	$self->leave_link;
1970	}	2604	}
1971	})->prio (1);	2605	})->prio (1);
…		…
1987		2621
1988	utf8::encode $text;	2622	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2623	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2624	}
1991		2625
		2626	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2627
		2628	Send a drawinfo or msg packet to the client, formatting the msg for the
		2629	client if neccessary. C<$type> should be a string identifying the type of
		2630	the message, with C<log> being the default. If C<$color> is negative, suppress
		2631	the message unless the client supports the msg packet.
		2632
		2633	=cut
		2634
		2635	our %CHANNEL = (
		2636	"c/identify" => {
		2637	id => "infobox",
		2638	title => "Identify",
		2639	reply => undef,
		2640	tooltip => "Items recently identified",
		2641	},
		2642	"c/examine" => {
		2643	id => "infobox",
		2644	title => "Examine",
		2645	reply => undef,
		2646	tooltip => "Signs and other items you examined",
		2647	},
		2648	"c/lookat" => {
		2649	id => "infobox",
		2650	title => "Look",
		2651	reply => undef,
		2652	tooltip => "What you saw there",
		2653	},
		2654	);
		2655
		2656	sub cf::client::send_msg {
		2657	my ($self, $channel, $msg, $color, @extra) = @_;
		2658
		2659	$msg = $self->pl->expand_cfpod ($msg);
		2660
		2661	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2662
		2663	# check predefined channels, for the benefit of C
		2664	if ($CHANNEL{$channel}) {
		2665	$channel = $CHANNEL{$channel};
		2666
		2667	$self->ext_msg (channel_info => $channel)
		2668	if $self->can_msg;
		2669
		2670	$channel = $channel->{id};
		2671
		2672	} elsif (ref $channel) {
		2673	# send meta info to client, if not yet sent
		2674	unless (exists $self->{channel}{$channel->{id}}) {
		2675	$self->{channel}{$channel->{id}} = $channel;
		2676	$self->ext_msg (channel_info => $channel)
		2677	if $self->can_msg;
		2678	}
		2679
		2680	$channel = $channel->{id};
		2681	}
		2682
		2683	return unless @extra || length $msg;
		2684
		2685	if ($self->can_msg) {
		2686	# default colour, mask it out
		2687	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2688	if $color & cf::NDI_DEF;
		2689
		2690	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2691	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2692	} else {
		2693	if ($color >= 0) {
		2694	# replace some tags by gcfclient-compatible ones
		2695	for ($msg) {
		2696	1 while
		2697	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2698	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2699	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2700	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2701	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2702	}
		2703
		2704	$color &= cf::NDI_COLOR_MASK;
		2705
		2706	utf8::encode $msg;
		2707
		2708	if (0 && $msg =~ /\[/) {
		2709	# COMMAND/INFO
		2710	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2711	} else {
		2712	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2713	$self->send_packet ("drawinfo $color $msg")
		2714	}
		2715	}
		2716	}
		2717	}
		2718
		2719	=item $client->ext_msg ($type, @msg)
		2720
		2721	Sends an ext event to the client.
		2722
		2723	=cut
		2724
		2725	sub cf::client::ext_msg($$@) {
		2726	my ($self, $type, @msg) = @_;
		2727
		2728	if ($self->extcmd == 2) {
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2730	} elsif ($self->extcmd == 1) { # TODO: remove
		2731	push @msg, msgtype => "event_$type";
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2733	}
		2734	}
		2735
		2736	=item $client->ext_reply ($msgid, @msg)
		2737
		2738	Sends an ext reply to the client.
		2739
		2740	=cut
		2741
		2742	sub cf::client::ext_reply($$@) {
		2743	my ($self, $id, @msg) = @_;
		2744
		2745	if ($self->extcmd == 2) {
		2746	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2747	} elsif ($self->extcmd == 1) {
		2748	#TODO: version 1, remove
		2749	unshift @msg, msgtype => "reply", msgid => $id;
		2750	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2751	}
		2752	}
1992		2753
1993	=item $success = $client->query ($flags, "text", \&cb)	2754	=item $success = $client->query ($flags, "text", \&cb)
1994		2755
1995	Queues a query to the client, calling the given callback with	2756	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2757	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2758	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2759
1999	Queries can fail, so check the return code. Or don't, as queries will become	2760	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2761	become reliable at some point in the future.
2001		2762
2002	=cut	2763	=cut
2003		2764
2004	sub cf::client::query {	2765	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2766	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2774	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2775	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2776
2016	$self->send_packet ($self->{query_queue}[0][0])	2777	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2778	if @{ $self->{query_queue} } == 1;
		2779
		2780	1
2018	}	2781	}
2019		2782
2020	cf::client->attach (	2783	cf::client->attach (
		2784	on_connect => sub {
		2785	my ($ns) = @_;
		2786
		2787	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2788	},
2021	on_reply => sub {	2789	on_reply => sub {
2022	my ($ns, $msg) = @_;	2790	my ($ns, $msg) = @_;
2023		2791
2024	# this weird shuffling is so that direct followup queries	2792	# this weird shuffling is so that direct followup queries
2025	# get handled first	2793	# get handled first
…		…
2037	} else {	2805	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2806	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2807	}
2040	}	2808	}
2041	},	2809	},
		2810	on_exticmd => sub {
		2811	my ($ns, $buf) = @_;
		2812
		2813	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2814
		2815	if (ref $msg) {
		2816	my ($type, $reply, @payload) =
		2817	"ARRAY" eq ref $msg
		2818	? @$msg
		2819	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2820
		2821	my @reply;
		2822
		2823	if (my $cb = $EXTICMD{$type}) {
		2824	@reply = $cb->($ns, @payload);
		2825	}
		2826
		2827	$ns->ext_reply ($reply, @reply)
		2828	if $reply;
		2829
		2830	} else {
		2831	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2832	}
		2833
		2834	cf::override;
		2835	},
2042	);	2836	);
2043		2837
2044	=item $client->async (\&cb)	2838	=item $client->async (\&cb)
2045		2839
2046	Create a new coroutine, running the specified callback. The coroutine will	2840	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	2881	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	2882	our $safe_hole = new Safe::Hole;
2089		2883
2090	$SIG{FPE} = 'IGNORE';	2884	$SIG{FPE} = 'IGNORE';
2091		2885
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2886	$safe->permit_only (Opcode::opset qw(
		2887	:base_core :base_mem :base_orig :base_math
		2888	grepstart grepwhile mapstart mapwhile
		2889	sort time
		2890	));
2093		2891
2094	# here we export the classes and methods available to script code	2892	# here we export the classes and methods available to script code
2095		2893
2096	=pod	2894	=pod
2097		2895
2098	The following functions and methods are available within a safe environment:	2896	The following functions and methods are available within a safe environment:
2099		2897
2100	cf::object contr pay_amount pay_player map	2898	cf::object
		2899	contr pay_amount pay_player map x y force_find force_add
		2900	insert remove name archname title slaying race decrease_ob_nr
		2901
2101	cf::object::player player	2902	cf::object::player
2102	cf::player peaceful	2903	player
2103	cf::map trigger	2904
		2905	cf::player
		2906	peaceful
		2907
		2908	cf::map
		2909	trigger
2104		2910
2105	=cut	2911	=cut
2106		2912
2107	for (	2913	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	2914	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2915	insert remove inv name archname title slaying race
		2916	decrease_ob_nr)],
2109	["cf::object::player" => qw(player)],	2917	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	2918	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	2919	["cf::map" => qw(trigger)],
2112	) {	2920	) {
2113	no strict 'refs';	2921	no strict 'refs';
…		…
2184	=back	2992	=back
2185		2993
2186	=cut	2994	=cut
2187		2995
2188	#############################################################################	2996	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	2997	# the server's init and main functions
2262		2998
2263	sub load_faces {	2999	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3000	my ($path) = @_;
2265		3001
		3002	# HACK to clear player env face cache, we need some signal framework
		3003	# for this (global event?)
		3004	%ext::player_env::MUSIC_FACE_CACHE = ();
		3005
		3006	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3007
2266	warn "loading faces from $path\n";	3008	warn "loading facedata from $path\n";
2267		3009
2268	my $faces;	3010	my $facedata;
2269	0 < aio_load $path, $faces	3011	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3012	or die "$path: $!";
2271		3013
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3014	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3015
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3016	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3017	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3018
		3019	# patch in the exptable
		3020	$facedata->{resource}{"res/exp_table"} = {
		3021	type => FT_RSRC,
		3022	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3023	};
		3024	cf::cede_to_tick;
		3025
		3026	{
		3027	my $faces = $facedata->{faceinfo};
		3028
2280	while (my ($face, $info) = each %$faces) {	3029	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3030	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3031	cf::face::set_visibility $idx, $info->{visibility};
		3032	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3033	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	Coro::cede;	3034	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	}
2286		3035
		3036	cf::cede_to_tick;
		3037	}
		3038
2287	while (my ($face, $info) = each %$faces) {	3039	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3040	next unless $info->{smooth};
2289	my $idx = cf::face::find $face	3041	my $idx = cf::face::find $face
2290	or next;	3042	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {	3043	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	3044	cf::face::set_smooth $idx, $smooth;
		3045	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	3046	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	3047	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	3048	}
2296	Coro::cede;	3049
		3050	cf::cede_to_tick;
		3051	}
		3052	}
		3053
		3054	{
		3055	my $anims = $facedata->{animinfo};
		3056
		3057	while (my ($anim, $info) = each %$anims) {
		3058	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3059	cf::cede_to_tick;
		3060	}
		3061
		3062	cf::anim::invalidate_all; # d'oh
		3063	}
		3064
		3065	{
		3066	# TODO: for gcfclient pleasure, we should give resources
		3067	# that gcfclient doesn't grok a >10000 face index.
		3068	my $res = $facedata->{resource};
		3069
		3070	my $soundconf = delete $res->{"res/sound.conf"};
		3071
		3072	while (my ($name, $info) = each %$res) {
		3073	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3074	my $data;
		3075
		3076	if ($info->{type} & 1) {
		3077	# prepend meta info
		3078
		3079	my $meta = $enc->encode ({
		3080	name => $name,
		3081	%{ $info->{meta} || {} },
		3082	});
		3083
		3084	$data = pack "(w/a*)*", $meta, $info->{data};
		3085	} else {
		3086	$data = $info->{data};
		3087	}
		3088
		3089	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3090	cf::face::set_type $idx, $info->{type};
		3091
		3092	cf::cede_to_tick;
		3093	}
		3094
		3095	if ($soundconf) {
		3096	$soundconf = $enc->decode (delete $soundconf->{data});
		3097
		3098	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3099	my $sound = $soundconf->{compat}[$_]
		3100	or next;
		3101
		3102	my $face = cf::face::find "sound/$sound->[1]";
		3103	cf::sound::set $sound->[0] => $face;
		3104	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3105	}
		3106
		3107	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3108	my $face = cf::face::find "sound/$v";
		3109	cf::sound::set $k => $face;
		3110	}
		3111	}
2297	}	3112	}
2298		3113
2299	1	3114	1
2300	}	3115	}
2301		3116
		3117	register_exticmd fx_want => sub {
		3118	my ($ns, $want) = @_;
		3119
		3120	while (my ($k, $v) = each %$want) {
		3121	$ns->fx_want ($k, $v);
		3122	}
		3123	};
		3124
		3125	sub reload_regions {
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
		3130	load_resource_file "$MAPDIR/regions"
		3131	or die "unable to load regions file\n";
		3132
		3133	for (cf::region::list) {
		3134	$_->{match} = qr/$_->{match}/
		3135	if exists $_->{match};
		3136	}
		3137	}
		3138
		3139	sub reload_facedata {
		3140	load_facedata "$DATADIR/facedata"
		3141	or die "unable to load facedata\n";
		3142	}
		3143
		3144	sub reload_archetypes {
		3145	load_resource_file "$DATADIR/archetypes"
		3146	or die "unable to load archetypes\n";
		3147	#d# NEED to laod twice to resolve forward references
		3148	# this really needs to be done in an extra post-pass
		3149	# (which needs to be synchronous, so solve it differently)
		3150	load_resource_file "$DATADIR/archetypes"
		3151	or die "unable to load archetypes\n";
		3152	}
		3153
		3154	sub reload_treasures {
		3155	load_resource_file "$DATADIR/treasures"
		3156	or die "unable to load treasurelists\n";
		3157	}
		3158
2302	sub reload_resources {	3159	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3160	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3161
		3162	reload_regions;
2305	load_faces	3163	reload_facedata;
2306	or die "unable to load faces\n";#d#	3164	#reload_archetypes;#d#
		3165	reload_archetypes;
		3166	reload_treasures;
		3167
		3168	warn "finished reloading resource files\n";
2307	}	3169	}
2308		3170
2309	sub init {	3171	sub init {
2310	reload_resources;	3172	reload_resources;
2311	}	3173	}
2312		3174
2313	sub cfg_load {	3175	sub reload_config {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3176	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3177	or return;
2316		3178
2317	local $/;	3179	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3180	*CFG = YAML::Syck::Load <$fh>;
2319		3181
…		…
2334	sub main {	3196	sub main {
2335	# we must not ever block the main coroutine	3197	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3198	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3199	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3200	(async {
		3201	$Coro::current->{desc} = "IDLE BUG HANDLER";
2339	Event::one_event;	3202	Event::one_event;
2340	})->prio (Coro::PRIO_MAX);	3203	})->prio (Coro::PRIO_MAX);
2341	};	3204	};
2342		3205
2343	cfg_load;	3206	reload_config;
2344	db_init;	3207	db_init;
2345	load_extensions;	3208	load_extensions;
2346		3209
2347	$TICK_WATCHER->start;	3210	$TICK_WATCHER->start;
2348	Event::loop;	3211	Event::loop;
…		…
2364	},	3227	},
2365	);	3228	);
2366	}	3229	}
2367	}	3230	}
2368		3231
		3232	sub write_runtime {
		3233	my $runtime = "$LOCALDIR/runtime";
		3234
		3235	# first touch the runtime file to show we are still running:
		3236	# the fsync below can take a very very long time.
		3237
		3238	IO::AIO::aio_utime $runtime, undef, undef;
		3239
		3240	my $guard = cf::lock_acquire "write_runtime";
		3241
		3242	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3243	or return;
		3244
		3245	my $value = $cf::RUNTIME + 90 + 10;
		3246	# 10 is the runtime save interval, for a monotonic clock
		3247	# 60 allows for the watchdog to kill the server.
		3248
		3249	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3250	and return;
		3251
		3252	# always fsync - this file is important
		3253	aio_fsync $fh
		3254	and return;
		3255
		3256	# touch it again to show we are up-to-date
		3257	aio_utime $fh, undef, undef;
		3258
		3259	close $fh
		3260	or return;
		3261
		3262	aio_rename "$runtime~", $runtime
		3263	and return;
		3264
		3265	warn "runtime file written.\n";
		3266
		3267	1
		3268	}
		3269
2369	sub emergency_save() {	3270	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3271	my $freeze_guard = cf::freeze_mainloop;
2371		3272
2372	warn "enter emergency perl save\n";	3273	warn "enter emergency perl save\n";
2373		3274
…		…
2404		3305
2405	warn Carp::longmess "post_cleanup backtrace"	3306	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3307	if $make_core;
2407	}	3308	}
2408		3309
2409	sub reload() {	3310	sub do_reload_perl() {
2410	# can/must only be called in main	3311	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3312	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3313	warn "can only reload from main coroutine";
2413	return;	3314	return;
2414	}	3315	}
…		…
2448	%EXT_CORO = ();	3349	%EXT_CORO = ();
2449		3350
2450	warn "removing commands";	3351	warn "removing commands";
2451	%COMMAND = ();	3352	%COMMAND = ();
2452		3353
2453	warn "removing ext commands";	3354	warn "removing ext/exti commands";
2454	%EXTCMD = ();	3355	%EXTCMD = ();
		3356	%EXTICMD = ();
2455		3357
2456	warn "unloading/nuking all extensions";	3358	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3359	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3360	warn "... unloading $pkg";
2459		3361
…		…
2489	Symbol::delete_package "safe::$_"	3391	Symbol::delete_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3392	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3393
2492	warn "unloading cf.pm \"a bit\"";	3394	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3395	delete $INC{"cf.pm"};
		3396	delete $INC{"cf/pod.pm"};
2494		3397
2495	# don't, removes xs symbols, too,	3398	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3399	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3400	#Symbol::delete_package __PACKAGE__;
2498		3401
…		…
2501	warn "reloading cf.pm";	3404	warn "reloading cf.pm";
2502	require cf;	3405	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3406	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2504		3407
2505	warn "loading config and database again";	3408	warn "loading config and database again";
2506	cf::cfg_load;	3409	cf::reload_config;
2507		3410
2508	warn "loading extensions";	3411	warn "loading extensions";
2509	cf::load_extensions;	3412	cf::load_extensions;
2510		3413
2511	warn "reattaching attachments to objects/players";	3414	warn "reattaching attachments to objects/players";
…		…
2513	warn "reattaching attachments to maps";	3416	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3417	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3418	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3419	reattach $_ for values %PLAYER;
2517		3420
2518	warn "loading reloadable resources";
2519	reload_resources;
2520
2521	warn "leaving sync_job";	3421	warn "leaving sync_job";
2522		3422
2523	1	3423	1
2524	} or do {	3424	} or do {
2525	warn $@;	3425	warn $@;
…		…
2530	warn "reloaded";	3430	warn "reloaded";
2531	};	3431	};
2532		3432
2533	our $RELOAD_WATCHER; # used only during reload	3433	our $RELOAD_WATCHER; # used only during reload
2534		3434
		3435	sub reload_perl() {
		3436	# doing reload synchronously and two reloads happen back-to-back,
		3437	# coro crashes during coro_state_free->destroy here.
		3438
		3439	$RELOAD_WATCHER ||= Event->timer (
		3440	reentrant => 0,
		3441	after => 0,
		3442	data => WF_AUTOCANCEL,
		3443	cb => sub {
		3444	do_reload_perl;
		3445	undef $RELOAD_WATCHER;
		3446	},
		3447	);
		3448	}
		3449
2535	register_command "reload" => sub {	3450	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3451	my ($who, $arg) = @_;
2537		3452
2538	if ($who->flag (FLAG_WIZ)) {	3453	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3454	$who->message ("reloading server.");
2540		3455	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	3456	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	3457	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	3458	};
2553	}	3459	}
2554	};	3460	};
2555		3461
2556	unshift @INC, $LIBDIR;	3462	unshift @INC, $LIBDIR;
2557		3463
2558	my $bug_warning = 0;	3464	my $bug_warning = 0;
		3465
		3466	our @WAIT_FOR_TICK;
		3467	our @WAIT_FOR_TICK_BEGIN;
		3468
		3469	sub wait_for_tick {
		3470	return unless $TICK_WATCHER->is_active;
		3471	return if $Coro::current == $Coro::main;
		3472
		3473	my $signal = new Coro::Signal;
		3474	push @WAIT_FOR_TICK, $signal;
		3475	$signal->wait;
		3476	}
		3477
		3478	sub wait_for_tick_begin {
		3479	return unless $TICK_WATCHER->is_active;
		3480	return if $Coro::current == $Coro::main;
		3481
		3482	my $signal = new Coro::Signal;
		3483	push @WAIT_FOR_TICK_BEGIN, $signal;
		3484	$signal->wait;
		3485	}
2559		3486
2560	$TICK_WATCHER = Event->timer (	3487	$TICK_WATCHER = Event->timer (
2561	reentrant => 0,	3488	reentrant => 0,
2562	parked => 1,	3489	parked => 1,
2563	prio => 0,	3490	prio => 0,
…		…
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	3496	unless ++$bug_warning > 10;
2570	return;	3497	return;
2571	}	3498	}
2572		3499
2573	$NOW = Event::time;	3500	$NOW = $tick_start = Event::time;
2574		3501
2575	cf::server_tick; # one server iteration	3502	cf::server_tick; # one server iteration
		3503
2576	$RUNTIME += $TICK;	3504	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;	3505	$NEXT_TICK += $TICK;
2578		3506
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3507	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3508	$NEXT_RUNTIME_WRITE = $NOW + 10;
2581	Coro::async_pool {	3509	Coro::async_pool {
		3510	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	3511	write_runtime
2583	or warn "ERROR: unable to write runtime file: $!";	3512	or warn "ERROR: unable to write runtime file: $!";
2584	};	3513	};
2585	}	3514	}
2586		3515
2587	$WAIT_FOR_TICK->broadcast;	3516	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3517	$sig->send;
		3518	}
		3519	while (my $sig = shift @WAIT_FOR_TICK) {
		3520	$sig->send;
		3521	}
2589		3522
2590	# my $AFTER = Event::time;	3523	$NOW = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592		3524
2593	# if we are delayed by four ticks or more, skip them all	3525	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3526	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2595		3527
2596	$TICK_WATCHER->at ($NEXT_TICK);	3528	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;	3529	$TICK_WATCHER->start;
		3530
		3531	$LOAD = ($NOW - $tick_start) / $TICK;
		3532	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3533
		3534	_post_tick;
2598	},	3535	},
2599	);	3536	);
2600		3537
2601	{	3538	{
		3539	BDB::min_parallel 8;
2602	BDB::max_poll_time $TICK * 0.1;	3540	BDB::max_poll_time $TICK * 0.1;
2603	$BDB_POLL_WATCHER = Event->io (	3541	$BDB_POLL_WATCHER = Event->io (
2604	reentrant => 0,	3542	reentrant => 0,
2605	fd => BDB::poll_fileno,	3543	fd => BDB::poll_fileno,
2606	poll => 'r',	3544	poll => 'r',
2607	prio => 0,	3545	prio => 0,
2608	data => WF_AUTOCANCEL,	3546	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,	3547	cb => \&BDB::poll_cb,
2610	);	3548	);
2611	BDB::min_parallel 8;
2612		3549
2613	BDB::set_sync_prepare {	3550	BDB::set_sync_prepare {
2614	my $status;	3551	my $status;
2615	my $current = $Coro::current;	3552	my $current = $Coro::current;
2616	(	3553	(
…		…
2625	)	3562	)
2626	};	3563	};
2627		3564
2628	unless ($DB_ENV) {	3565	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	3566	$DB_ENV = BDB::db_env_create;
		3567	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3568	| BDB::LOG_AUTOREMOVE, 1);
		3569	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3570	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		3571
2631	cf::sync_job {	3572	cf::sync_job {
2632	eval {	3573	eval {
2633	BDB::db_env_open	3574	BDB::db_env_open
2634	$DB_ENV,	3575	$DB_ENV,
2635	$BDB_ENV_DIR,	3576	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3579	0666;
2639		3580
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3581	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	3582	};
2645		3583
2646	cf::cleanup "db_env_open(db): $@" if $@;	3584	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	3585	};
2648	}	3586	}
		3587
		3588	$BDB_DEADLOCK_WATCHER = Event->timer (
		3589	after => 3,
		3590	interval => 1,
		3591	hard => 1,
		3592	prio => 0,
		3593	data => WF_AUTOCANCEL,
		3594	cb => sub {
		3595	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3596	},
		3597	);
		3598	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3599	after => 11,
		3600	interval => 60,
		3601	hard => 1,
		3602	prio => 0,
		3603	data => WF_AUTOCANCEL,
		3604	cb => sub {
		3605	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3606	},
		3607	);
		3608	$BDB_TRICKLE_WATCHER = Event->timer (
		3609	after => 5,
		3610	interval => 10,
		3611	hard => 1,
		3612	prio => 0,
		3613	data => WF_AUTOCANCEL,
		3614	cb => sub {
		3615	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3616	},
		3617	);
2649	}	3618	}
2650		3619
2651	{	3620	{
2652	IO::AIO::min_parallel 8;	3621	IO::AIO::min_parallel 8;
2653		3622
…		…
2656	$AIO_POLL_WATCHER = Event->io (	3625	$AIO_POLL_WATCHER = Event->io (
2657	reentrant => 0,	3626	reentrant => 0,
2658	data => WF_AUTOCANCEL,	3627	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,	3628	fd => IO::AIO::poll_fileno,
2660	poll => 'r',	3629	poll => 'r',
2661	prio => 6,	3630	prio => 0,
2662	cb => \&IO::AIO::poll_cb,	3631	cb => \&IO::AIO::poll_cb,
2663	);	3632	);
2664	}	3633	}
2665		3634
		3635	my $_log_backtrace;
		3636
		3637	sub _log_backtrace {
		3638	my ($msg, @addr) = @_;
		3639
		3640	$msg =~ s/\n//;
		3641
		3642	# limit the # of concurrent backtraces
		3643	if ($_log_backtrace < 2) {
		3644	++$_log_backtrace;
		3645	async {
		3646	$Coro::current->{desc} = "abt $msg";
		3647
		3648	my @bt = fork_call {
		3649	@addr = map { sprintf "%x", $_ } @addr;
		3650	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3651	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3652	or die "addr2line: $!";
		3653
		3654	my @funcs;
		3655	my @res = <$fh>;
		3656	chomp for @res;
		3657	while (@res) {
		3658	my ($func, $line) = splice @res, 0, 2, ();
		3659	push @funcs, "[$func] $line";
		3660	}
		3661
		3662	@funcs
		3663	};
		3664
		3665	LOG llevInfo, "[ABT] $msg\n";
		3666	LOG llevInfo, "[ABT] $_\n" for @bt;
		3667	--$_log_backtrace;
		3668	};
		3669	} else {
		3670	LOG llevInfo, "[ABT] $msg\n";
		3671	LOG llevInfo, "[ABT] [suppressed]\n";
		3672	}
		3673	}
		3674
		3675	# load additional modules
		3676	use cf::pod;
		3677
2666	END { cf::emergency_save }	3678	END { cf::emergency_save }
2667		3679
2668	1	3680	1
2669		3681

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