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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.190 by root, Mon Jan 22 03:44:41 2007 UTC vs.
Revision 1.353 by root, Sun Sep 2 08:43:46 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.4 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	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(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our %PLAYER; # all users
60	our %MAP; # all maps	93	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	133	every server tick.
102		134
103	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
115		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
140	LOG llevError, $msg;	193	LOG llevError, $msg;
141	};	194	};
142	}	195	}
143		196
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		204
151	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	206	# within the Safe compartment.
153	for my $pkg (qw(	207	for my $pkg (qw(
154	cf::global cf::attachable	208	cf::global cf::attachable
…		…
162	}	216	}
163		217
164	$Event::DIED = sub {	218	$Event::DIED = sub {
165	warn "error in event callback: @_";	219	warn "error in event callback: @_";
166	};	220	};
		221
		222	#############################################################################
167		223
168	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
169		225
170	=over 4	226	=over 4
171		227
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	247	$d
192	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
193	}	249	}
194		250
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
198		252
199	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
200		254
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
209		256
210	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
211		258
212	=cut	259	=cut
213		260
214	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
216	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
218		265
219	=item cf::lock_wait $string	266	=item cf::lock_wait $string
220		267
221	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
222		269
…		…
225	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
228	returned.	275	returned.
229		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
230	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
232		286
233	=cut	287	=cut
234		288
235	our %LOCK;	289	our %LOCK;
236		290
…		…
256	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
258	}	312	}
259	}	313	}
260		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
261	sub freeze_mainloop {	321	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
263		323
264	my $guard = Coro::guard {	324	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	325	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	326	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
270	$guard	328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
271	}	385	}
272		386
273	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
274		388
275	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		394
281	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
282		396
283	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
284		398
285	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
288		403
289	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
292	fast or be very important.	407	fast or be very important.
…		…
295		410
296	sub sync_job(&) {	411	sub sync_job(&) {
297	my ($job) = @_;	412	my ($job) = @_;
298		413
299	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
300	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
302		419
303	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
315		432
316	while ($busy) {	433	while ($busy) {
317	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
318	}	435	}
319		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
320	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
321	} else {	445	} else {
322	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
323		447
324	$job->()	448	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
344		468
345	$coro	469	$coro
346	}	470	}
347		471
348	sub write_runtime {	472	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		473
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
352	or return;	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
353		478
354	my $value = $cf::RUNTIME + 90 + 10;	479	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		480
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	sub fork_call(&@) {
359	and return;	482	my ($cb, @args) = @_;
360		483
361	aio_fsync $fh	484	# we seemingly have to make a local copy of the whole thing,
362	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
363		487
364	close $fh	488	my @res = Coro::Util::fork_eval {
365	or return;	489	reset_signals;
		490	&$cb
		491	}, @args;
366		492
367	aio_rename "$runtime~", $runtime	493	wantarray ? @res : $res[-1]
368	and return;	494	}
369		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
370	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	621	}
372		622
373	=back	623	=back
374		624
375	=cut	625	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
384		634
385	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	637	Crossfire TRT).
388		638
389	=over 4	639	=over 4
390		640
391	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
392		642
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
556		806
557	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		811
562	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	813	my $pkg = shift @arg;
564		814
565	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
595	}	845	}
596		846
597	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
598	} else {	848	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	850	}
601		851
602	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
603	}	853	}
604		854
…		…
606	if (ref $_[0]) {	856	if (ref $_[0]) {
607	_object_attach @_;	857	_object_attach @_;
608	} else {	858	} else {
609	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
610	}	860	}
		861	_recalc_want;
611	};	862	};
612		863
613	# all those should be optimised	864	# all those should be optimised
614	sub cf::attachable::detach {	865	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
619	reattach ($obj);	870	reattach ($obj);
620	} else {	871	} else {
621	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
622	}	873	}
		874	_recalc_want;
623	};	875	};
624		876
625	sub cf::attachable::attached {	877	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
627		879
…		…
642	";	894	";
643	die if $@;	895	die if $@;
644	}	896	}
645		897
646	our $override;	898	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		900
649	sub override {	901	sub override {
650	$override = 1;	902	$override = 1;
651	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
652	}	904	}
653		905
654	sub do_invoke {	906	sub do_invoke {
655	my $event = shift;	907	my $event = shift;
656	my $callbacks = shift;	908	my $callbacks = shift;
657		909
658	@invoke_results = ();	910	@INVOKE_RESULTS = ();
659		911
660	local $override;	912	local $override;
661		913
662	for (@$callbacks) {	914	for (@$callbacks) {
663	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
680		932
681	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
682		934
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		938
687	=back	939	=back
688		940
689	=cut	941	=cut
690		942
691	#############################################################################	943	#############################################################################
692	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
693		956
694	sub reattach {	957	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	959	my ($obj) = @_;
697		960
…		…
750	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
751		1014
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1019	close $fh;
757		1020
758	if (@$objs) {	1021	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1027	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
766	}	1029	}
767	} else {	1030	} else {
768	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
800	or return;	1063	or return;
801	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1065	}
803		1066
804	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	1069	return ($data, $av);
807	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
808		1077
809	#############################################################################	1078	#############################################################################
810	# command handling &c	1079	# command handling &c
811		1080
812	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1095	}
827		1096
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1098
830	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
831		1104
832	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
833	called.	1106	called.
834		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
835	=cut	1119	=cut
836		1120
837	sub register_extcmd {	1121	sub register_extcmd {
838	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
839		1123
840	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
841	}	1131	}
842		1132
843	cf::player->attach (	1133	cf::player->attach (
844	on_command => sub {	1134	on_command => sub {
845	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1144	cf::override;
855	},	1145	},
856	on_extcmd => sub {	1146	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
858		1148
859	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1150
861	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
867	} else {	1166	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1168	}
870		1169
871	cf::override;	1170	cf::override;
872	},	1171	},
873	);	1172	);
874		1173
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
910	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1179	next unless -r $path;
912	eval {	1180
913	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
914	1	1238	}
915	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
916	}	1244	};
917	}	1245	}
918		1246
919	#############################################################################	1247	#############################################################################
920		1248
		1249	=back
		1250
921	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
922		1252
923	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
924		1254
925	=cut	1255	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
938		1268
939	=cut	1269	=cut
940		1270
941	sub playerdir($) {	1271	sub playerdir($) {
942	cf::localdir	1272	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1274	}
948		1275
949	sub path($) {	1276	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1278
952	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
953	}	1280	}
954		1281
955	sub find_active($) {	1282	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1297	my $login = $_[0];
971		1298
972	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
973		1300
974	$cf::PLAYER{$_[0]} || do {	1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
975	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
976	or return;	1310	or return;
977	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
978	}	1312	}
979	}	1313	}
…		…
991		1325
992	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
994		1328
995	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
996	Coro::cede;	1330	cf::cede_to_tick;
997	}	1331	}
998		1332
999	sub new($) {	1333	sub new($) {
1000	my ($login) = @_;	1334	my ($login) = @_;
1001		1335
…		…
1007	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1008		1342
1009	$self	1343	$self
1010	}	1344	}
1011		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
		1354	}
		1355
1012	=item $pl->quit_character	1356	=item $pl->quit_character
1013		1357
1014	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1016		1360
1017	=cut	1361	=cut
1018		1362
1019	sub quit_character {	1363	sub quit_character {
1020	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1021		1367
1022	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1370
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1380	$pl->destroy;
		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
1035	IO::AIO::aio_rmtree $temp;	1387	IO::AIO::aio_rmtree $temp;
		1388	}
		1389
		1390	=item $pl->kick
		1391
		1392	Kicks a player out of the game. This destroys the connection.
		1393
		1394	=cut
		1395
		1396	sub kick {
		1397	my ($pl, $kicker) = @_;
		1398
		1399	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1400	$pl->killer ("kicked");
		1401	$pl->ns->destroy;
1036	}	1402	}
1037		1403
1038	=item cf::player::list_logins	1404	=item cf::player::list_logins
1039		1405
1040	Returns am arrayref of all valid playernames in the system, can take a	1406	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1042		1408
1043	=cut	1409	=cut
1044		1410
1045	sub list_logins {	1411	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1413	or return [];
1048		1414
1049	my @logins;	1415	my @logins;
1050		1416
1051	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1068	=cut	1434	=cut
1069		1435
1070	sub maps($) {	1436	sub maps($) {
1071	my ($pl) = @_;	1437	my ($pl) = @_;
1072		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
		1440
1073	my $files = aio_readdir playerdir $pl	1441	my $files = aio_readdir playerdir $pl
1074	or return;	1442	or return;
1075		1443
1076	my @paths;	1444	my @paths;
1077		1445
1078	for (@$files) {	1446	for (@$files) {
1079	utf8::decode $_;	1447	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1448	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1449	next unless /^$PATH_SEP/o;
1082		1450
1083	s/\.map$//;	1451	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1452	}
1086		1453
1087	\@paths	1454	\@paths
1088	}	1455	}
1089		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGHT])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1478	# replace G<male|female> tags
		1479	|| s{G<([^>|]*)\|([^>]*)>}{
		1480	$self->gender ? $2 : $1
		1481	}ge
		1482	# replace H<hint text>
		1483	|| s{H<([^\>]*)>}
		1484	{
		1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1487	"")
		1488	[$self->{hintmode}]
		1489	}ge;
		1490
		1491	# create single paragraphs (very hackish)
		1492	s/(?<=\S)\n(?=\w)/ /g;
		1493
		1494	# compress some whitespace
		1495	s/\s+\n/\n/g; # ws line-ends
		1496	s/\n\n+/\n/g; # double lines
		1497	s/^\n+//; # beginning lines
		1498	s/\n+$//; # ending lines
		1499
		1500	$_
		1501	}
		1502
		1503	sub hintmode {
		1504	$_[0]{hintmode} = $_[1] if @_ > 1;
		1505	$_[0]{hintmode}
		1506	}
		1507
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1508	=item $player->ext_reply ($msgid, @msg)
1091		1509
1092	Sends an ext reply to the player.	1510	Sends an ext reply to the player.
1093		1511
1094	=cut	1512	=cut
1095		1513
1096	sub ext_reply($$$%) {	1514	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1515	my ($self, $id, @msg) = @_;
1098		1516
1099	$msg{msgid} = $id;	1517	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1518	}
1103		1519
1104	package cf;	1520	=item $player->ext_msg ($type, @msg)
		1521
		1522	Sends an ext event to the client.
		1523
		1524	=cut
		1525
		1526	sub ext_msg($$@) {
		1527	my ($self, $type, @msg) = @_;
		1528
		1529	$self->ns->ext_msg ($type, @msg);
		1530	}
		1531
		1532	=head3 cf::region
		1533
		1534	=over 4
		1535
		1536	=cut
		1537
		1538	package cf::region;
		1539
		1540	=item cf::region::find_by_path $path
		1541
		1542	Tries to decuce the likely region for a map knowing only its path.
		1543
		1544	=cut
		1545
		1546	sub find_by_path($) {
		1547	my ($path) = @_;
		1548
		1549	my ($match, $specificity);
		1550
		1551	for my $region (list) {
		1552	if ($region->{match} && $path =~ $region->{match}) {
		1553	($match, $specificity) = ($region, $region->specificity)
		1554	if $region->specificity > $specificity;
		1555	}
		1556	}
		1557
		1558	$match
		1559	}
1105		1560
1106	=back	1561	=back
1107
1108		1562
1109	=head3 cf::map	1563	=head3 cf::map
1110		1564
1111	=over 4	1565	=over 4
1112		1566
…		…
1167	my ($self, $merge) = @_;	1621	my ($self, $merge) = @_;
1168		1622
1169	# we have to keep some variables in memory intact	1623	# we have to keep some variables in memory intact
1170	local $self->{path};	1624	local $self->{path};
1171	local $self->{load_path};	1625	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1626
1175	$self->SUPER::thawer_merge ($merge);	1627	$self->SUPER::thawer_merge ($merge);
1176	}	1628	}
1177		1629
1178	sub normalise {	1630	sub normalise {
1179	my ($path, $base) = @_;	1631	my ($path, $base) = @_;
		1632
		1633	$path = "$path"; # make sure its a string
		1634
		1635	$path =~ s/\.map$//;
1180		1636
1181	# map plan:	1637	# map plan:
1182	#	1638	#
1183	# /! non-realised random map exit (special hack!)	1639	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1640	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1677	$self->init; # pass $1 etc.
1222	return $self;	1678	return $self;
1223	}	1679	}
1224	}	1680	}
1225		1681
1226	Carp::carp "unable to resolve path '$path'.";	1682	Carp::cluck "unable to resolve path '$path' (base '$base').";
1227	()	1683	()
1228	}	1684	}
1229		1685
1230	sub init {	1686	sub init {
1231	my ($self) = @_;	1687	my ($self) = @_;
…		…
1246		1702
1247	# the original (read-only) location	1703	# the original (read-only) location
1248	sub load_path {	1704	sub load_path {
1249	my ($self) = @_;	1705	my ($self) = @_;
1250		1706
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1707	"$MAPDIR/$self->{path}.map"
1252	}	1708	}
1253		1709
1254	# the temporary/swap location	1710	# the temporary/swap location
1255	sub save_path {	1711	sub save_path {
1256	my ($self) = @_;	1712	my ($self) = @_;
1257		1713
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1715	"$TMPDIR/$path.map"
1260	}	1716	}
1261		1717
1262	# the unique path, undef == no special unique path	1718	# the unique path, undef == no special unique path
1263	sub uniq_path {	1719	sub uniq_path {
1264	my ($self) = @_;	1720	my ($self) = @_;
1265		1721
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1723	"$UNIQUEDIR/$path"
1268	}	1724	}
1269		1725
1270	# and all this just because we cannot iterate over	1726	# and all this just because we cannot iterate over
1271	# all maps in C++...	1727	# all maps in C++...
1272	sub change_all_map_light {	1728	sub change_all_map_light {
…		…
1274		1730
1275	$_->change_map_light ($change)	1731	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1732	for grep $_->outdoor, values %cf::MAP;
1277	}	1733	}
1278		1734
		1735	sub decay_objects {
		1736	my ($self) = @_;
		1737
		1738	return if $self->{deny_reset};
		1739
		1740	$self->do_decay_objects;
		1741	}
		1742
1279	sub unlink_save {	1743	sub unlink_save {
1280	my ($self) = @_;	1744	my ($self) = @_;
1281		1745
1282	utf8::encode (my $save = $self->save_path);	1746	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1750
1287	sub load_header_from($) {	1751	sub load_header_from($) {
1288	my ($self, $path) = @_;	1752	my ($self, $path) = @_;
1289		1753
1290	utf8::encode $path;	1754	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1755	#aio_open $path, O_RDONLY, 0
1292	or return;	1756	# or return;
1293		1757
1294	$self->_load_header ($path)	1758	$self->_load_header ($path)
1295	or return;	1759	or return;
1296		1760
1297	$self->{load_path} = $path;	1761	$self->{load_path} = $path;
…		…
1339	$self->load_header_orig	1803	$self->load_header_orig
1340	or return;	1804	or return;
1341	$self->prepare_orig;	1805	$self->prepare_orig;
1342	}	1806	}
1343		1807
		1808	$self->{deny_reset} = 1
		1809	if $self->no_reset;
		1810
		1811	$self->default_region (cf::region::find_by_path $self->{path})
		1812	unless $self->default_region;
		1813
1344	1	1814	1
1345	}	1815	}
1346		1816
1347	sub find;	1817	sub find;
1348	sub find {	1818	sub find {
…		…
1360	$map->{last_save} = $cf::RUNTIME;	1830	$map->{last_save} = $cf::RUNTIME;
1361		1831
1362	$map->load_header	1832	$map->load_header
1363	or return;	1833	or return;
1364		1834
1365	if ($map->should_reset) {	1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1366	# doing this can freeze the server in a sync job, obviously	1836	# doing this can freeze the server in a sync job, obviously
1367	#$cf::WAIT_FOR_TICK->wait;	1837	#$cf::WAIT_FOR_TICK->wait;
1368	$map->reset;	1838	$map->reset;
1369	undef $guard;	1839	undef $guard;
1370	$map = find $path	1840	return find $path;
1371	or return;
1372	}	1841	}
1373		1842
1374	$cf::MAP{$path} = $map	1843	$cf::MAP{$path} = $map
1375	}	1844	}
1376	}	1845	}
…		…
1379	sub post_load { }	1848	sub post_load { }
1380		1849
1381	sub load {	1850	sub load {
1382	my ($self) = @_;	1851	my ($self) = @_;
1383		1852
		1853	local $self->{deny_reset} = 1; # loading can take a long time
		1854
1384	my $path = $self->{path};	1855	my $path = $self->{path};
		1856
		1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
1385	my $guard = cf::lock_acquire "map_load:$path";	1859	my $guard2 = cf::lock_acquire "map_load:$path";
1386		1860
1387	return if $self->in_memory != cf::MAP_SWAPPED;	1861	return if $self->in_memory != cf::MAP_SWAPPED;
1388		1862
1389	$self->in_memory (cf::MAP_LOADING);	1863	$self->in_memory (cf::MAP_LOADING);
1390		1864
1391	$self->alloc;	1865	$self->alloc;
1392		1866
1393	$self->pre_load;	1867	$self->pre_load;
		1868	cf::cede_to_tick;
1394		1869
1395	$self->_load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1396	or return;	1871	or return;
1397		1872
1398	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1399	if delete $self->{load_original};	1874	if delete $self->{load_original};
1400		1875
1401	if (my $uniq = $self->uniq_path) {	1876	if (my $uniq = $self->uniq_path) {
1402	utf8::encode $uniq;	1877	utf8::encode $uniq;
1403	if (aio_open $uniq, O_RDONLY, 0) {	1878	if (aio_open $uniq, O_RDONLY, 0) {
1404	$self->clear_unique_items;	1879	$self->clear_unique_items;
1405	$self->_load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1406	}	1881	}
1407	}	1882	}
1408		1883
1409	Coro::cede;	1884	cf::cede_to_tick;
1410
1411	# now do the right thing for maps	1885	# now do the right thing for maps
1412	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1413
1414	unless ($self->{deny_activate}) {
1415	$self->decay_objects;
1416	$self->fix_auto_apply;
1417	$self->update_buttons;
1418	Coro::cede;
1419	$self->set_darkness_map;
1420	$self->difficulty ($self->estimate_difficulty)	1887	$self->difficulty ($self->estimate_difficulty)
1421	unless $self->difficulty;	1888	unless $self->difficulty;
1422	Coro::cede;	1889	cf::cede_to_tick;
		1890
		1891	unless ($self->{deny_activate}) {
		1892	$self->decay_objects;
		1893	$self->fix_auto_apply;
		1894	$self->update_buttons;
		1895	cf::cede_to_tick;
		1896	$self->set_darkness_map;
		1897	cf::cede_to_tick;
1423	$self->activate;	1898	$self->activate;
		1899	}
		1900
		1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
		1903
		1904	$self->in_memory (cf::MAP_IN_MEMORY);
1424	}	1905	}
1425		1906
1426	$self->post_load;	1907	$self->post_load;
1427
1428	$self->in_memory (cf::MAP_IN_MEMORY);
1429	}	1908	}
1430		1909
1431	sub customise_for {	1910	sub customise_for {
1432	my ($self, $ob) = @_;	1911	my ($self, $ob) = @_;
1433		1912
1434	return find "~" . $ob->name . "/" . $self->{path}	1913	return find "~" . $ob->name . "/" . $self->{path}
1435	if $self->per_player;	1914	if $self->per_player;
1436		1915
		1916	# return find "?party/" . $ob->name . "/" . $self->{path}
		1917	# if $self->per_party;
		1918
1437	$self	1919	$self
1438	}	1920	}
1439		1921
1440	# find and load all maps in the 3x3 area around a map	1922	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1923	sub load_neighbours {
1442	my ($map) = @_;	1924	my ($map) = @_;
1443		1925
1444	my @diag; # diagonal neighbours	1926	my @neigh; # diagonal neighbours
1445		1927
1446	for (0 .. 3) {	1928	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	1929	my $neigh = $map->tile_path ($_)
1448	or next;	1930	or next;
1449	$neigh = find $neigh, $map	1931	$neigh = find $neigh, $map
1450	or next;	1932	or next;
1451	$neigh->load;	1933	$neigh->load;
1452		1934
		1935	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	1938	}
1456		1939
1457	for (@diag) {	1940	for (grep defined $_->[0], @neigh) {
		1941	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	1942	my $neigh = find $path, $origin
1459	or next;	1943	or next;
1460	$neigh->load;	1944	$neigh->load;
1461	}	1945	}
1462	}	1946	}
1463		1947
…		…
1468	}	1952	}
1469		1953
1470	sub do_load_sync {	1954	sub do_load_sync {
1471	my ($map) = @_;	1955	my ($map) = @_;
1472		1956
		1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1958	if $Coro::current == $Coro::main;
		1959
1473	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1474	}	1961	}
1475		1962
1476	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = undef;	1964	our $MAP_PREFETCHER = undef;
1478		1965
1479	sub find_async {	1966	sub find_async {
1480	my ($path, $origin) = @_;	1967	my ($path, $origin, $load) = @_;
1481		1968
1482	$path = normalise $path, $origin && $origin->{path};	1969	$path = normalise $path, $origin && $origin->{path};
1483		1970
1484	if (my $map = $cf::MAP{$path}) {	1971	if (my $map = $cf::MAP{$path}) {
1485	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1486	}	1973	}
1487		1974
1488	undef $MAP_PREFETCH{$path};	1975	$MAP_PREFETCH{$path} |= $load;
		1976
1489	$MAP_PREFETCHER ||= cf::async {	1977	$MAP_PREFETCHER ||= cf::async {
1490	while (%MAP_PREFETCH) {	1978	while (%MAP_PREFETCH) {
1491	for my $path (keys %MAP_PREFETCH) {	1979	while (my ($k, $v) = each %MAP_PREFETCH) {
1492	my $map = find $path	1980	if (my $map = find $k) {
1493	or next;
1494	$map->load;	1981	$map->load if $v;
		1982	}
1495		1983
1496	delete $MAP_PREFETCH{$path};	1984	delete $MAP_PREFETCH{$k};
1497	}	1985	}
1498	}	1986	}
1499	undef $MAP_PREFETCHER;	1987	undef $MAP_PREFETCHER;
1500	};	1988	};
1501	$MAP_PREFETCHER->prio (6);	1989	$MAP_PREFETCHER->prio (6);
…		…
1504	}	1992	}
1505		1993
1506	sub save {	1994	sub save {
1507	my ($self) = @_;	1995	my ($self) = @_;
1508		1996
1509	my $lock = cf::lock_acquire "map_data:" . $self->path;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1510		1998
1511	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1512		2000
1513	return unless $self->dirty;	2001	return unless $self->dirty;
1514		2002
…		…
1537	my ($self) = @_;	2025	my ($self) = @_;
1538		2026
1539	# save first because save cedes	2027	# save first because save cedes
1540	$self->save;	2028	$self->save;
1541		2029
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2031
1544	return if $self->players;	2032	return if $self->players;
1545	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1546	return if $self->{deny_save};	2034	return if $self->{deny_save};
1547		2035
…		…
1551		2039
1552	sub reset_at {	2040	sub reset_at {
1553	my ($self) = @_;	2041	my ($self) = @_;
1554		2042
1555	# TODO: safety, remove and allow resettable per-player maps	2043	# TODO: safety, remove and allow resettable per-player maps
1556	return 1e99 if $self->isa ("ext::map_per_player");#d#
1557	return 1e99 if $self->{deny_reset};	2044	return 1e99 if $self->{deny_reset};
1558		2045
1559	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2046	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1560	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2047	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1561		2048
…		…
1572	my ($self) = @_;	2059	my ($self) = @_;
1573		2060
1574	my $lock = cf::lock_acquire "map_data:$self->{path}";	2061	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2062
1576	return if $self->players;	2063	return if $self->players;
1577	return if $self->isa ("ext::map_per_player");#d#
1578		2064
1579	warn "resetting map ", $self->path;#d#	2065	warn "resetting map ", $self->path;
		2066
		2067	$self->in_memory (cf::MAP_SWAPPED);
		2068
		2069	# need to save uniques path
		2070	unless ($self->{deny_save}) {
		2071	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2072
		2073	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2074	if $uniq;
		2075	}
1580		2076
1581	delete $cf::MAP{$self->path};	2077	delete $cf::MAP{$self->path};
1582		2078
1583	$self->in_memory (cf::MAP_SWAPPED);
1584	$self->clear;	2079	$self->clear;
1585		2080
1586	$_->clear_links_to ($self) for values %cf::MAP;	2081	$_->clear_links_to ($self) for values %cf::MAP;
1587		2082
1588	$self->unlink_save;	2083	$self->unlink_save;
…		…
1592	my $nuke_counter = "aaaa";	2087	my $nuke_counter = "aaaa";
1593		2088
1594	sub nuke {	2089	sub nuke {
1595	my ($self) = @_;	2090	my ($self) = @_;
1596		2091
		2092	{
		2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2094
1597	delete $cf::MAP{$self->path};	2095	delete $cf::MAP{$self->path};
1598		2096
1599	$self->unlink_save;	2097	$self->unlink_save;
1600		2098
1601	bless $self, "cf::map";	2099	bless $self, "cf::map";
1602	delete $self->{deny_reset};	2100	delete $self->{deny_reset};
1603	$self->{deny_save} = 1;	2101	$self->{deny_save} = 1;
1604	$self->reset_timeout (1);	2102	$self->reset_timeout (1);
1605	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1606		2104
1607	$cf::MAP{$self->path} = $self;	2105	$cf::MAP{$self->path} = $self;
		2106	}
1608		2107
1609	$self->reset; # polite request, might not happen	2108	$self->reset; # polite request, might not happen
		2109	}
		2110
		2111	=item $maps = cf::map::tmp_maps
		2112
		2113	Returns an arrayref with all map paths of currently instantiated and saved
		2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
		2119	[
		2120	map {
		2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
		2127	}
		2128
		2129	=item $maps = cf::map::random_maps
		2130
		2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
		2133
		2134	=cut
		2135
		2136	sub random_maps() {
		2137	[
		2138	map {
		2139	utf8::decode $_;
		2140	/\.map$/
		2141	? normalise "?random/$_"
		2142	: ()
		2143	} @{ aio_readdir $RANDOMDIR or [] }
		2144	]
1610	}	2145	}
1611		2146
1612	=item cf::map::unique_maps	2147	=item cf::map::unique_maps
1613		2148
1614	Returns an arrayref of paths of all shared maps that have	2149	Returns an arrayref of paths of all shared maps that have
1615	instantiated unique items. May block.	2150	instantiated unique items. May block.
1616		2151
1617	=cut	2152	=cut
1618		2153
1619	sub unique_maps() {	2154	sub unique_maps() {
1620	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2155	[
1621	or return;	2156	map {
1622
1623	my @paths;
1624
1625	for (@$files) {
1626	utf8::decode $_;	2157	utf8::decode $_;
1627	next if /\.pst$/;
1628	next unless /^$PATH_SEP/o;
1629
1630	s/\.map$//;	2158	/\.map$/
1631	push @paths, $_;	2159	? normalise $_
		2160	: ()
		2161	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2162	]
1633
1634	\@paths
1635	}	2163	}
1636		2164
1637	package cf;	2165	package cf;
1638		2166
1639	=back	2167	=back
…		…
1685		2213
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2215
1688	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1690	} else {	2219	} else {
		2220	my $pl = $self->contr;
		2221
		2222	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2223	my $dialog = $pl->{npc_dialog};
		2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2225
		2226	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1693	}	2230	}
		2231	}
		2232
		2233	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2234
		2235	=cut
		2236
		2237	sub cf::object::send_msg {
		2238	my $pl = shift->contr
		2239	or return;
		2240	$pl->send_msg (@_);
1694	}	2241	}
1695		2242
1696	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1697		2244
1698	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1730	=cut	2277	=cut
1731		2278
1732	sub link_map {	2279	sub link_map {
1733	unless ($LINK_MAP) {	2280	unless ($LINK_MAP) {
1734	$LINK_MAP = cf::map::find "{link}"	2281	$LINK_MAP = cf::map::find "{link}"
1735	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2282	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1736	$LINK_MAP->load;	2283	$LINK_MAP->load;
1737	}	2284	}
1738		2285
1739	$LINK_MAP	2286	$LINK_MAP
1740	}	2287	}
…		…
1745	$self->deactivate_recursive;	2292	$self->deactivate_recursive;
1746		2293
1747	return if UNIVERSAL::isa $self->map, "ext::map_link";	2294	return if UNIVERSAL::isa $self->map, "ext::map_link";
1748		2295
1749	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1750	if $self->map;	2297	if $self->map && $self->map->{path} ne "{link}";
1751		2298
1752	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1753	}	2300	}
1754		2301
1755	sub cf::object::player::leave_link {	2302	sub cf::object::player::leave_link {
1756	my ($self, $map, $x, $y) = @_;	2303	my ($self, $map, $x, $y) = @_;
		2304
		2305	return unless $self->contr->active;
1757		2306
1758	my $link_pos = delete $self->{_link_pos};	2307	my $link_pos = delete $self->{_link_pos};
1759		2308
1760	unless ($map) {	2309	unless ($map) {
1761	# restore original map position	2310	# restore original map position
…		…
1775	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1776	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1777	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1778		2327
1779	$map->load;	2328	$map->load;
1780	$map->load_diag;	2329	$map->load_neighbours;
1781		2330
1782	return unless $self->contr->active;	2331	return unless $self->contr->active;
1783	$self->activate_recursive;	2332	$self->activate_recursive;
		2333
		2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1784	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1785	}	2336	}
1786		2337
1787	cf::player->attach (	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1788	on_logout => sub {
1789	my ($pl) = @_;
1790		2339
1791	# abort map switching before logout	2340	Moves the player to the given map-path and coordinates by first freezing
1792	if ($pl->ob->{_link_pos}) {	2341	her, loading and preparing them map, calling the provided $check callback
1793	cf::sync_job {	2342	that has to return the map if sucecssful, and then unfreezes the player on
1794	$pl->ob->leave_link	2343	the new (success) or old (failed) map position. In either case, $done will
1795	};	2344	be called at the end of this process.
1796	}
1797	},
1798	on_login => sub {
1799	my ($pl) = @_;
1800		2345
1801	# try to abort aborted map switching on player login :)
1802	# should happen only on crashes
1803	if ($pl->ob->{_link_pos}) {
1804	$pl->ob->enter_link;
1805	(async {
1806	# we need this sleep as the login has a concurrent enter_exit running
1807	# and this sleep increases chances of the player not ending up in scorn
1808	$pl->ob->reply (undef,
1809	"There was an internal problem at your last logout, "
1810	. "the server will try to bring you to your intended destination in a second.",
1811	cf::NDI_RED);
1812	Coro::Timer::sleep 1;
1813	$pl->ob->leave_link;
1814	})->prio (2);
1815	}
1816	},
1817	);
1818
1819	=item $player_object->goto ($path, $x, $y)
1820
1821	=cut	2346	=cut
		2347
		2348	our $GOTOGEN;
1822		2349
1823	sub cf::object::player::goto {	2350	sub cf::object::player::goto {
1824	my ($self, $path, $x, $y) = @_;	2351	my ($self, $path, $x, $y, $check, $done) = @_;
		2352
		2353	# do generation counting so two concurrent goto's will be executed in-order
		2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1825		2355
1826	$self->enter_link;	2356	$self->enter_link;
1827		2357
1828	(async {	2358	(async {
		2359	my $map = eval {
1829	my $map = cf::map::find $path;	2360	my $map = cf::map::find $path;
		2361
		2362	if ($map) {
1830	$map = $map->customise_for ($self) if $map;	2363	$map = $map->customise_for ($self);
1831		2364	$map = $check->($map) if $check && $map;
1832	# warn "entering ", $map->path, " at ($x, $y)\n"	2365	} else {
1833	# if $map;
1834
1835	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2367	}
1836		2368
		2369	$map
		2370	};
		2371
		2372	if ($@) {
		2373	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2374	LOG llevError | logBacktrace, Carp::longmess $@;
		2375	}
		2376
		2377	if ($gen == $self->{_goto_generation}) {
		2378	delete $self->{_goto_generation};
1837	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
		2380	}
		2381
		2382	$done->() if $done;
1838	})->prio (1);	2383	})->prio (1);
1839	}	2384	}
1840		2385
1841	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
1842		2387
…		…
1871	# that depends on the exit object	2416	# that depends on the exit object
1872		2417
1873	my $rmp = parse_random_map_params $exit->msg;	2418	my $rmp = parse_random_map_params $exit->msg;
1874		2419
1875	if ($exit->map) {	2420	if ($exit->map) {
1876	$rmp->{region} = $exit->map->region_name;	2421	$rmp->{region} = $exit->region->name;
1877	$rmp->{origin_map} = $exit->map->path;	2422	$rmp->{origin_map} = $exit->map->path;
1878	$rmp->{origin_x} = $exit->x;	2423	$rmp->{origin_x} = $exit->x;
1879	$rmp->{origin_y} = $exit->y;	2424	$rmp->{origin_y} = $exit->y;
1880	}	2425	}
1881		2426
1882	$rmp->{random_seed} ||= $exit->random_seed;	2427	$rmp->{random_seed} ||= $exit->random_seed;
1883		2428
1884	my $data = cf::to_json $rmp;	2429	my $data = cf::to_json $rmp;
1885	my $md5 = Digest::MD5::md5_hex $data;	2430	my $md5 = Digest::MD5::md5_hex $data;
1886	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2431	my $meta = "$RANDOMDIR/$md5.meta";
1887		2432
1888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1889	aio_write $fh, 0, (length $data), $data, 0;	2434	aio_write $fh, 0, (length $data), $data, 0;
1890	undef $fh;	2435	undef $fh;
1891	aio_rename "$meta~", $meta;	2436	aio_rename "$meta~", $meta;
…		…
1898	sub cf::object::player::enter_exit {	2443	sub cf::object::player::enter_exit {
1899	my ($self, $exit) = @_;	2444	my ($self, $exit) = @_;
1900		2445
1901	return unless $self->type == cf::PLAYER;	2446	return unless $self->type == cf::PLAYER;
1902		2447
		2448	if ($exit->slaying eq "/!") {
		2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2450	# the problem is that $exit might not survive long enough
		2451	# so it needs to be done right now, right here
		2452	cf::sync_job { prepare_random_map $exit };
		2453	}
		2454
		2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2456	my $hp = $exit->stats->hp;
		2457	my $sp = $exit->stats->sp;
		2458
1903	$self->enter_link;	2459	$self->enter_link;
		2460
		2461	# if exit is damned, update players death & WoR home-position
		2462	$self->contr->savebed ($slaying, $hp, $sp)
		2463	if $exit->flag (FLAG_DAMNED);
1904		2464
1905	(async {	2465	(async {
1906	$self->deactivate_recursive; # just to be sure	2466	$self->deactivate_recursive; # just to be sure
1907	unless (eval {	2467	unless (eval {
1908	prepare_random_map $exit	2468	$self->goto ($slaying, $hp, $sp);
1909	if $exit->slaying eq "/!";
1910
1911	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1912	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1913		2469
1914	1;	2470	1;
1915	}) {	2471	}) {
1916	$self->message ("Something went wrong deep within the crossfire server. "	2472	$self->message ("Something went wrong deep within the crossfire server. "
1917	. "I'll try to bring you back to the map you were before. "	2473	. "I'll try to bring you back to the map you were before. "
1918	. "Please report this to the dungeon master!",	2474	. "Please report this to the dungeon master!",
1919	cf::NDI_UNIQUE | cf::NDI_RED);	2475	cf::NDI_UNIQUE | cf::NDI_RED);
1920		2476
1921	warn "ERROR in enter_exit: $@";	2477	warn "ERROR in enter_exit: $@";
1922	$self->leave_link;	2478	$self->leave_link;
1923	}	2479	}
1924	})->prio (1);	2480	})->prio (1);
…		…
1937		2493
1938	sub cf::client::send_drawinfo {	2494	sub cf::client::send_drawinfo {
1939	my ($self, $text, $flags) = @_;	2495	my ($self, $text, $flags) = @_;
1940		2496
1941	utf8::encode $text;	2497	utf8::encode $text;
1942	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1943	}	2499	}
1944		2500
		2501	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2502
		2503	Send a drawinfo or msg packet to the client, formatting the msg for the
		2504	client if neccessary. C<$type> should be a string identifying the type of
		2505	the message, with C<log> being the default. If C<$color> is negative, suppress
		2506	the message unless the client supports the msg packet.
		2507
		2508	=cut
		2509
		2510	our %CHANNEL = (
		2511	"c/identify" => {
		2512	id => "identify",
		2513	title => "Identify",
		2514	reply => undef,
		2515	tooltip => "Items recently identified",
		2516	},
		2517	"c/examine" => {
		2518	id => "examine",
		2519	title => "Examine",
		2520	reply => undef,
		2521	tooltip => "Signs and other items you examined",
		2522	},
		2523	);
		2524
		2525	sub cf::client::send_msg {
		2526	my ($self, $channel, $msg, $color, @extra) = @_;
		2527
		2528	$msg = $self->pl->expand_cfpod ($msg);
		2529
		2530	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2531
		2532	# check predefined channels, for the benefit of C
		2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2534
		2535	if (ref $channel) {
		2536	# send meta info to client, if not yet sent
		2537	unless (exists $self->{channel}{$channel->{id}}) {
		2538	$self->{channel}{$channel->{id}} = $channel;
		2539	$self->ext_msg (channel_info => $channel)
		2540	if $self->can_msg;
		2541	}
		2542
		2543	$channel = $channel->{id};
		2544	}
		2545
		2546	return unless @extra || length $msg;
		2547
		2548	if ($self->can_msg) {
		2549	# default colour, mask it out
		2550	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2551	if $color & cf::NDI_DEF;
		2552
		2553	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2554	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2555	} else {
		2556	if ($color >= 0) {
		2557	# replace some tags by gcfclient-compatible ones
		2558	for ($msg) {
		2559	1 while
		2560	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2561	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2562	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2563	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2564	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2565	}
		2566
		2567	$color &= cf::NDI_COLOR_MASK;
		2568
		2569	utf8::encode $msg;
		2570
		2571	if (0 && $msg =~ /\[/) {
		2572	# COMMAND/INFO
		2573	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2574	} else {
		2575	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2576	$self->send_packet ("drawinfo $color $msg")
		2577	}
		2578	}
		2579	}
		2580	}
		2581
		2582	=item $client->ext_msg ($type, @msg)
		2583
		2584	Sends an ext event to the client.
		2585
		2586	=cut
		2587
		2588	sub cf::client::ext_msg($$@) {
		2589	my ($self, $type, @msg) = @_;
		2590
		2591	if ($self->extcmd == 2) {
		2592	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2593	} elsif ($self->extcmd == 1) { # TODO: remove
		2594	push @msg, msgtype => "event_$type";
		2595	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2596	}
		2597	}
		2598
		2599	=item $client->ext_reply ($msgid, @msg)
		2600
		2601	Sends an ext reply to the client.
		2602
		2603	=cut
		2604
		2605	sub cf::client::ext_reply($$@) {
		2606	my ($self, $id, @msg) = @_;
		2607
		2608	if ($self->extcmd == 2) {
		2609	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2610	} elsif ($self->extcmd == 1) {
		2611	#TODO: version 1, remove
		2612	unshift @msg, msgtype => "reply", msgid => $id;
		2613	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2614	}
		2615	}
1945		2616
1946	=item $success = $client->query ($flags, "text", \&cb)	2617	=item $success = $client->query ($flags, "text", \&cb)
1947		2618
1948	Queues a query to the client, calling the given callback with	2619	Queues a query to the client, calling the given callback with
1949	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2620	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1950	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2621	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1951		2622
1952	Queries can fail, so check the return code. Or don't, as queries will become	2623	Queries can fail, so check the return code. Or don't, as queries will
1953	reliable at some point in the future.	2624	become reliable at some point in the future.
1954		2625
1955	=cut	2626	=cut
1956		2627
1957	sub cf::client::query {	2628	sub cf::client::query {
1958	my ($self, $flags, $text, $cb) = @_;	2629	my ($self, $flags, $text, $cb) = @_;
…		…
1966	utf8::encode $text;	2637	utf8::encode $text;
1967	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2638	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1968		2639
1969	$self->send_packet ($self->{query_queue}[0][0])	2640	$self->send_packet ($self->{query_queue}[0][0])
1970	if @{ $self->{query_queue} } == 1;	2641	if @{ $self->{query_queue} } == 1;
		2642
		2643	1
1971	}	2644	}
1972		2645
1973	cf::client->attach (	2646	cf::client->attach (
		2647	on_connect => sub {
		2648	my ($ns) = @_;
		2649
		2650	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2651	},
1974	on_reply => sub {	2652	on_reply => sub {
1975	my ($ns, $msg) = @_;	2653	my ($ns, $msg) = @_;
1976		2654
1977	# this weird shuffling is so that direct followup queries	2655	# this weird shuffling is so that direct followup queries
1978	# get handled first	2656	# get handled first
1979	my $queue = delete $ns->{query_queue}	2657	my $queue = delete $ns->{query_queue}
1980	or return; # be conservative, not sure how that can happen, but we saw a crash here	2658	or return; # be conservative, not sure how that can happen, but we saw a crash here
1981		2659
1982	(shift @$queue)->[1]->($msg);	2660	(shift @$queue)->[1]->($msg);
		2661	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1983		2662
1984	push @{ $ns->{query_queue} }, @$queue;	2663	push @{ $ns->{query_queue} }, @$queue;
1985		2664
1986	if (@{ $ns->{query_queue} } == @$queue) {	2665	if (@{ $ns->{query_queue} } == @$queue) {
1987	if (@$queue) {	2666	if (@$queue) {
…		…
1989	} else {	2668	} else {
1990	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2669	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1991	}	2670	}
1992	}	2671	}
1993	},	2672	},
		2673	on_exticmd => sub {
		2674	my ($ns, $buf) = @_;
		2675
		2676	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2677
		2678	if (ref $msg) {
		2679	my ($type, $reply, @payload) =
		2680	"ARRAY" eq ref $msg
		2681	? @$msg
		2682	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2683
		2684	my @reply;
		2685
		2686	if (my $cb = $EXTICMD{$type}) {
		2687	@reply = $cb->($ns, @payload);
		2688	}
		2689
		2690	$ns->ext_reply ($reply, @reply)
		2691	if $reply;
		2692
		2693	} else {
		2694	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2695	}
		2696
		2697	cf::override;
		2698	},
1994	);	2699	);
1995		2700
1996	=item $client->async (\&cb)	2701	=item $client->async (\&cb)
1997		2702
1998	Create a new coroutine, running the specified callback. The coroutine will	2703	Create a new coroutine, running the specified callback. The coroutine will
…		…
2039	our $safe = new Safe "safe";	2744	our $safe = new Safe "safe";
2040	our $safe_hole = new Safe::Hole;	2745	our $safe_hole = new Safe::Hole;
2041		2746
2042	$SIG{FPE} = 'IGNORE';	2747	$SIG{FPE} = 'IGNORE';
2043		2748
2044	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2749	$safe->permit_only (Opcode::opset qw(
		2750	:base_core :base_mem :base_orig :base_math
		2751	grepstart grepwhile mapstart mapwhile
		2752	sort time
		2753	));
2045		2754
2046	# here we export the classes and methods available to script code	2755	# here we export the classes and methods available to script code
2047		2756
2048	=pod	2757	=pod
2049		2758
2050	The following fucntions and emthods are available within a safe environment:	2759	The following functions and methods are available within a safe environment:
2051		2760
2052	cf::object contr pay_amount pay_player map	2761	cf::object
		2762	contr pay_amount pay_player map x y force_find force_add
		2763	insert remove name archname title slaying race decrease_ob_nr
		2764
2053	cf::object::player player	2765	cf::object::player
2054	cf::player peaceful	2766	player
2055	cf::map trigger	2767
		2768	cf::player
		2769	peaceful
		2770
		2771	cf::map
		2772	trigger
2056		2773
2057	=cut	2774	=cut
2058		2775
2059	for (	2776	for (
2060	["cf::object" => qw(contr pay_amount pay_player map)],	2777	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2778	insert remove inv name archname title slaying race
		2779	decrease_ob_nr)],
2061	["cf::object::player" => qw(player)],	2780	["cf::object::player" => qw(player)],
2062	["cf::player" => qw(peaceful)],	2781	["cf::player" => qw(peaceful)],
2063	["cf::map" => qw(trigger)],	2782	["cf::map" => qw(trigger)],
2064	) {	2783	) {
2065	no strict 'refs';	2784	no strict 'refs';
…		…
2136	=back	2855	=back
2137		2856
2138	=cut	2857	=cut
2139		2858
2140	#############################################################################	2859	#############################################################################
		2860	# the server's init and main functions
2141		2861
2142	=head2 EXTENSION DATABASE SUPPORT	2862	sub load_facedata($) {
		2863	my ($path) = @_;
2143		2864
2144	Crossfire maintains a very simple database for extension use. It can	2865	# HACK to clear player env face cache, we need some signal framework
2145	currently store anything that can be serialised using Storable, which	2866	# for this (global event?)
2146	excludes objects.	2867	%ext::player_env::MUSIC_FACE_CACHE = ();
2147		2868
2148	The parameter C<$family> should best start with the name of the extension	2869	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2149	using it, it should be unique.
2150		2870
2151	=over 4	2871	warn "loading facedata from $path\n";
2152		2872
2153	=item $hashref = cf::db_get $family	2873	my $facedata;
		2874	0 < aio_load $path, $facedata
		2875	or die "$path: $!";
2154		2876
2155	Return a hashref for use by the extension C<$family>, which can be	2877	$facedata = Coro::Storable::thaw $facedata;
2156	modified. After modifications, you have to call C<cf::db_dirty> or
2157	C<cf::db_sync>.
2158		2878
2159	=item $value = cf::db_get $family => $key	2879	$facedata->{version} == 2
		2880	or cf::cleanup "$path: version mismatch, cannot proceed.";
2160		2881
2161	Returns a single value from the database	2882	# patch in the exptable
2162		2883	$facedata->{resource}{"res/exp_table"} = {
2163	=item cf::db_put $family => $hashref	2884	type => FT_RSRC,
2164		2885	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2165	Stores the given family hashref into the database. Updates are delayed, if
2166	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2167
2168	=item cf::db_put $family => $key => $value
2169
2170	Stores the given C<$value> in the family hash. Updates are delayed, if you
2171	want the data to be synced to disk immediately, use C<cf::db_sync>.
2172
2173	=item cf::db_dirty
2174
2175	Marks the database as dirty, to be updated at a later time.
2176
2177	=item cf::db_sync
2178
2179	Immediately write the database to disk I<if it is dirty>.
2180
2181	=cut
2182
2183	our $DB;
2184
2185	{
2186	my $path = cf::localdir . "/database.pst";
2187
2188	sub db_load() {
2189	$DB = stat $path ? Storable::retrieve $path : { };
2190	}	2886	};
		2887	cf::cede_to_tick;
2191		2888
2192	my $pid;
2193
2194	sub db_save() {
2195	waitpid $pid, 0 if $pid;
2196	if (0 == ($pid = fork)) {
2197	$DB->{_meta}{version} = 1;
2198	Storable::nstore $DB, "$path~";
2199	rename "$path~", $path;
2200	cf::_exit 0 if defined $pid;
2201	}
2202	}	2889	{
		2890	my $faces = $facedata->{faceinfo};
2203		2891
2204	my $dirty;	2892	while (my ($face, $info) = each %$faces) {
		2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2894	cf::face::set_visibility $idx, $info->{visibility};
		2895	cf::face::set_magicmap $idx, $info->{magicmap};
		2896	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2897	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2205		2898
2206	sub db_sync() {	2899	cf::cede_to_tick;
2207	db_save if $dirty;
2208	undef $dirty;
2209	}
2210
2211	my $idle = Event->idle (
2212	reentrant => 0,
2213	min => 10,
2214	max => 20,
2215	repeat => 0,
2216	data => WF_AUTOCANCEL,
2217	cb => \&db_sync,
2218	);
2219
2220	sub db_dirty() {
2221	$dirty = 1;
2222	$idle->start;
2223	}
2224
2225	sub db_get($;$) {
2226	@_ >= 2
2227	? $DB->{$_[0]}{$_[1]}
2228	: ($DB->{$_[0]} ||= { })
2229	}
2230
2231	sub db_put($$;$) {
2232	if (@_ >= 3) {
2233	$DB->{$_[0]}{$_[1]} = $_[2];
2234	} else {
2235	$DB->{$_[0]} = $_[1];
2236	}
2237	db_dirty;
2238	}
2239
2240	cf::global->attach (
2241	prio => 10000,
2242	on_cleanup => sub {
2243	db_sync;
2244	},	2900	}
2245	);
2246	}
2247		2901
2248	#############################################################################	2902	while (my ($face, $info) = each %$faces) {
2249	# the server's main()	2903	next unless $info->{smooth};
		2904	my $idx = cf::face::find $face
		2905	or next;
		2906	if (my $smooth = cf::face::find $info->{smooth}) {
		2907	cf::face::set_smooth $idx, $smooth;
		2908	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2909	} else {
		2910	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2911	}
2250		2912
2251	sub cfg_load {	2913	cf::cede_to_tick;
		2914	}
		2915	}
		2916
		2917	{
		2918	my $anims = $facedata->{animinfo};
		2919
		2920	while (my ($anim, $info) = each %$anims) {
		2921	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2922	cf::cede_to_tick;
		2923	}
		2924
		2925	cf::anim::invalidate_all; # d'oh
		2926	}
		2927
		2928	{
		2929	# TODO: for gcfclient pleasure, we should give resources
		2930	# that gcfclient doesn't grok a >10000 face index.
		2931	my $res = $facedata->{resource};
		2932
		2933	my $soundconf = delete $res->{"res/sound.conf"};
		2934
		2935	while (my ($name, $info) = each %$res) {
		2936	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2937	my $data;
		2938
		2939	if ($info->{type} & 1) {
		2940	# prepend meta info
		2941
		2942	my $meta = $enc->encode ({
		2943	name => $name,
		2944	%{ $info->{meta} || {} },
		2945	});
		2946
		2947	$data = pack "(w/a*)*", $meta, $info->{data};
		2948	} else {
		2949	$data = $info->{data};
		2950	}
		2951
		2952	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2953	cf::face::set_type $idx, $info->{type};
		2954
		2955	cf::cede_to_tick;
		2956	}
		2957
		2958	if ($soundconf) {
		2959	$soundconf = $enc->decode (delete $soundconf->{data});
		2960
		2961	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2962	my $sound = $soundconf->{compat}[$_]
		2963	or next;
		2964
		2965	my $face = cf::face::find "sound/$sound->[1]";
		2966	cf::sound::set $sound->[0] => $face;
		2967	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2968	}
		2969
		2970	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2971	my $face = cf::face::find "sound/$v";
		2972	cf::sound::set $k => $face;
		2973	}
		2974	}
		2975	}
		2976
		2977	1
		2978	}
		2979
		2980	register_exticmd fx_want => sub {
		2981	my ($ns, $want) = @_;
		2982
		2983	while (my ($k, $v) = each %$want) {
		2984	$ns->fx_want ($k, $v);
		2985	}
		2986	};
		2987
		2988	sub reload_regions {
		2989	# HACK to clear player env face cache, we need some signal framework
		2990	# for this (global event?)
		2991	%ext::player_env::MUSIC_FACE_CACHE = ();
		2992
		2993	load_resource_file "$MAPDIR/regions"
		2994	or die "unable to load regions file\n";
		2995
		2996	for (cf::region::list) {
		2997	$_->{match} = qr/$_->{match}/
		2998	if exists $_->{match};
		2999	}
		3000	}
		3001
		3002	sub reload_facedata {
		3003	load_facedata "$DATADIR/facedata"
		3004	or die "unable to load facedata\n";
		3005	}
		3006
		3007	sub reload_archetypes {
		3008	load_resource_file "$DATADIR/archetypes"
		3009	or die "unable to load archetypes\n";
		3010	#d# NEED to laod twice to resolve forward references
		3011	# this really needs to be done in an extra post-pass
		3012	# (which needs to be synchronous, so solve it differently)
		3013	load_resource_file "$DATADIR/archetypes"
		3014	or die "unable to load archetypes\n";
		3015	}
		3016
		3017	sub reload_treasures {
		3018	load_resource_file "$DATADIR/treasures"
		3019	or die "unable to load treasurelists\n";
		3020	}
		3021
		3022	sub reload_resources {
		3023	warn "reloading resource files...\n";
		3024
		3025	reload_regions;
		3026	reload_facedata;
		3027	#reload_archetypes;#d#
		3028	reload_archetypes;
		3029	reload_treasures;
		3030
		3031	warn "finished reloading resource files\n";
		3032	}
		3033
		3034	sub init {
		3035	reload_resources;
		3036	}
		3037
		3038	sub reload_config {
2252	open my $fh, "<:utf8", cf::confdir . "/config"	3039	open my $fh, "<:utf8", "$CONFDIR/config"
2253	or return;	3040	or return;
2254		3041
2255	local $/;	3042	local $/;
2256	*CFG = YAML::Syck::Load <$fh>;	3043	*CFG = YAML::Syck::Load <$fh>;
2257		3044
…		…
2276	(async {	3063	(async {
2277	Event::one_event;	3064	Event::one_event;
2278	})->prio (Coro::PRIO_MAX);	3065	})->prio (Coro::PRIO_MAX);
2279	};	3066	};
2280		3067
2281	cfg_load;	3068	reload_config;
2282	db_load;	3069	db_init;
2283	load_extensions;	3070	load_extensions;
2284		3071
2285	$TICK_WATCHER->start;	3072	$TICK_WATCHER->start;
2286	Event::loop;	3073	Event::loop;
2287	}	3074	}
…		…
2294	for my $signal (qw(INT HUP TERM)) {	3081	for my $signal (qw(INT HUP TERM)) {
2295	Event->signal (	3082	Event->signal (
2296	reentrant => 0,	3083	reentrant => 0,
2297	data => WF_AUTOCANCEL,	3084	data => WF_AUTOCANCEL,
2298	signal => $signal,	3085	signal => $signal,
		3086	prio => 0,
2299	cb => sub {	3087	cb => sub {
2300	cf::cleanup "SIG$signal";	3088	cf::cleanup "SIG$signal";
2301	},	3089	},
2302	);	3090	);
2303	}	3091	}
		3092	}
		3093
		3094	sub write_runtime {
		3095	my $runtime = "$LOCALDIR/runtime";
		3096
		3097	# first touch the runtime file to show we are still running:
		3098	# the fsync below can take a very very long time.
		3099
		3100	IO::AIO::aio_utime $runtime, undef, undef;
		3101
		3102	my $guard = cf::lock_acquire "write_runtime";
		3103
		3104	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3105	or return;
		3106
		3107	my $value = $cf::RUNTIME + 90 + 10;
		3108	# 10 is the runtime save interval, for a monotonic clock
		3109	# 60 allows for the watchdog to kill the server.
		3110
		3111	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3112	and return;
		3113
		3114	# always fsync - this file is important
		3115	aio_fsync $fh
		3116	and return;
		3117
		3118	# touch it again to show we are up-to-date
		3119	aio_utime $fh, undef, undef;
		3120
		3121	close $fh
		3122	or return;
		3123
		3124	aio_rename "$runtime~", $runtime
		3125	and return;
		3126
		3127	warn "runtime file written.\n";
		3128
		3129	1
2304	}	3130	}
2305		3131
2306	sub emergency_save() {	3132	sub emergency_save() {
2307	my $freeze_guard = cf::freeze_mainloop;	3133	my $freeze_guard = cf::freeze_mainloop;
2308		3134
…		…
2325	my $map = $cf::MAP{$path} or next;	3151	my $map = $cf::MAP{$path} or next;
2326	$map->valid or next;	3152	$map->valid or next;
2327	$map->save;	3153	$map->save;
2328	}	3154	}
2329	warn "end emergency map save\n";	3155	warn "end emergency map save\n";
		3156
		3157	warn "begin emergency database checkpoint\n";
		3158	BDB::db_env_txn_checkpoint $DB_ENV;
		3159	warn "end emergency database checkpoint\n";
2330	};	3160	};
2331		3161
2332	warn "leave emergency perl save\n";	3162	warn "leave emergency perl save\n";
2333	}	3163	}
2334		3164
		3165	sub post_cleanup {
		3166	my ($make_core) = @_;
		3167
		3168	warn Carp::longmess "post_cleanup backtrace"
		3169	if $make_core;
		3170	}
		3171
2335	sub reload() {	3172	sub do_reload_perl() {
2336	# can/must only be called in main	3173	# can/must only be called in main
2337	if ($Coro::current != $Coro::main) {	3174	if ($Coro::current != $Coro::main) {
2338	warn "can only reload from main coroutine";	3175	warn "can only reload from main coroutine";
2339	return;	3176	return;
2340	}	3177	}
2341		3178
2342	warn "reloading...";	3179	warn "reloading...";
2343		3180
2344	warn "cancelling server ticker";	3181	warn "entering sync_job";
2345	$TICK_WATCHER->cancel;
2346		3182
		3183	cf::sync_job {
		3184	cf::write_runtime; # external watchdog should not bark
2347	cf::emergency_save;	3185	cf::emergency_save;
		3186	cf::write_runtime; # external watchdog should not bark
2348		3187
2349	eval {	3188	warn "syncing database to disk";
		3189	BDB::db_env_txn_checkpoint $DB_ENV;
		3190
2350	# if anything goes wrong in here, we should simply crash as we already saved	3191	# if anything goes wrong in here, we should simply crash as we already saved
2351
2352	warn "syncing database to disk";
2353	cf::db_sync;
2354		3192
2355	warn "cancelling all WF_AUTOCANCEL watchers";	3193	warn "cancelling all WF_AUTOCANCEL watchers";
2356	for (Event::all_watchers) {	3194	for (Event::all_watchers) {
2357	$_->cancel if $_->data & WF_AUTOCANCEL;	3195	$_->cancel if $_->data & WF_AUTOCANCEL;
2358	}	3196	}
2359		3197
2360	warn "flushing outstanding aio requests";	3198	warn "flushing outstanding aio requests";
2361	for (;;) {	3199	for (;;) {
		3200	BDB::flush;
2362	IO::AIO::flush;	3201	IO::AIO::flush;
2363	Coro::cede;	3202	Coro::cede;
2364	last unless IO::AIO::nreqs;	3203	last unless IO::AIO::nreqs || BDB::nreqs;
2365	warn "iterate...";	3204	warn "iterate...";
2366	}	3205	}
		3206
		3207	++$RELOAD;
2367		3208
2368	warn "cancelling all extension coros";	3209	warn "cancelling all extension coros";
2369	$_->cancel for values %EXT_CORO;	3210	$_->cancel for values %EXT_CORO;
2370	%EXT_CORO = ();	3211	%EXT_CORO = ();
2371		3212
2372	warn "removing commands";	3213	warn "removing commands";
2373	%COMMAND = ();	3214	%COMMAND = ();
2374		3215
2375	warn "removing ext commands";	3216	warn "removing ext/exti commands";
2376	%EXTCMD = ();	3217	%EXTCMD = ();
		3218	%EXTICMD = ();
2377		3219
2378	warn "unloading/nuking all extensions";	3220	warn "unloading/nuking all extensions";
2379	for my $pkg (@EXTS) {	3221	for my $pkg (@EXTS) {
2380	warn "... unloading $pkg";	3222	warn "... unloading $pkg";
2381		3223
…		…
2411	Symbol::delete_package "safe::$_"	3253	Symbol::delete_package "safe::$_"
2412	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3254	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2413		3255
2414	warn "unloading cf.pm \"a bit\"";	3256	warn "unloading cf.pm \"a bit\"";
2415	delete $INC{"cf.pm"};	3257	delete $INC{"cf.pm"};
		3258	delete $INC{"cf/pod.pm"};
2416		3259
2417	# don't, removes xs symbols, too,	3260	# don't, removes xs symbols, too,
2418	# and global variables created in xs	3261	# and global variables created in xs
2419	#Symbol::delete_package __PACKAGE__;	3262	#Symbol::delete_package __PACKAGE__;
2420		3263
…		…
2423	warn "reloading cf.pm";	3266	warn "reloading cf.pm";
2424	require cf;	3267	require cf;
2425	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3268	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2426		3269
2427	warn "loading config and database again";	3270	warn "loading config and database again";
2428	cf::cfg_load;	3271	cf::reload_config;
2429	cf::db_load;
2430		3272
2431	warn "loading extensions";	3273	warn "loading extensions";
2432	cf::load_extensions;	3274	cf::load_extensions;
2433		3275
2434	warn "reattaching attachments to objects/players";	3276	warn "reattaching attachments to objects/players";
2435	_global_reattach;	3277	_global_reattach; # objects, sockets
2436	warn "reattaching attachments to maps";	3278	warn "reattaching attachments to maps";
2437	reattach $_ for values %MAP;	3279	reattach $_ for values %MAP;
		3280	warn "reattaching attachments to players";
		3281	reattach $_ for values %PLAYER;
2438		3282
2439	warn "restarting server ticker";	3283	warn "leaving sync_job";
2440		3284
2441	$TICK_WATCHER->start;	3285	1
2442	};	3286	} or do {
2443
2444	if ($@) {
2445	warn $@;	3287	warn $@;
2446	warn "error while reloading, exiting.";	3288	warn "error while reloading, exiting.";
2447	exit 1;	3289	exit 1;
2448	}	3290	};
2449		3291
2450	warn "reloaded";	3292	warn "reloaded";
2451	};	3293	};
2452		3294
2453	our $RELOAD_WATCHER; # used only during reload	3295	our $RELOAD_WATCHER; # used only during reload
2454		3296
		3297	sub reload_perl() {
		3298	# doing reload synchronously and two reloads happen back-to-back,
		3299	# coro crashes during coro_state_free->destroy here.
		3300
		3301	$RELOAD_WATCHER ||= Event->timer (
		3302	reentrant => 0,
		3303	after => 0,
		3304	data => WF_AUTOCANCEL,
		3305	cb => sub {
		3306	do_reload_perl;
		3307	undef $RELOAD_WATCHER;
		3308	},
		3309	);
		3310	}
		3311
2455	register_command "reload" => sub {	3312	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3313	my ($who, $arg) = @_;
2457		3314
2458	if ($who->flag (FLAG_WIZ)) {	3315	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("reloading server.");	3316	$who->message ("reloading server.");
2460		3317	async { reload_perl };
2461	# doing reload synchronously and two reloads happen back-to-back,
2462	# coro crashes during coro_state_free->destroy here.
2463
2464	$RELOAD_WATCHER ||= Event->timer (
2465	reentrant => 0,
2466	after => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => sub {
2469	reload;
2470	undef $RELOAD_WATCHER;
2471	},
2472	);
2473	}	3318	}
2474	};	3319	};
2475		3320
2476	unshift @INC, $LIBDIR;	3321	unshift @INC, $LIBDIR;
2477		3322
2478	my $bug_warning = 0;	3323	my $bug_warning = 0;
2479		3324
		3325	our @WAIT_FOR_TICK;
		3326	our @WAIT_FOR_TICK_BEGIN;
		3327
		3328	sub wait_for_tick {
		3329	return unless $TICK_WATCHER->is_active;
		3330	return if $Coro::current == $Coro::main;
		3331
		3332	my $signal = new Coro::Signal;
		3333	push @WAIT_FOR_TICK, $signal;
		3334	$signal->wait;
		3335	}
		3336
		3337	sub wait_for_tick_begin {
		3338	return unless $TICK_WATCHER->is_active;
		3339	return if $Coro::current == $Coro::main;
		3340
		3341	my $signal = new Coro::Signal;
		3342	push @WAIT_FOR_TICK_BEGIN, $signal;
		3343	$signal->wait;
		3344	}
		3345
		3346	my $min = 1e6;#d#
		3347	my $avg = 10;
2480	$TICK_WATCHER = Event->timer (	3348	$TICK_WATCHER = Event->timer (
2481	reentrant => 0,	3349	reentrant => 0,
2482	parked => 1,	3350	parked => 1,
2483	prio => -1,	3351	prio => 0,
2484	at => $NEXT_TICK || $TICK,	3352	at => $NEXT_TICK || $TICK,
2485	data => WF_AUTOCANCEL,	3353	data => WF_AUTOCANCEL,
2486	cb => sub {	3354	cb => sub {
2487	if ($Coro::current != $Coro::main) {	3355	if ($Coro::current != $Coro::main) {
2488	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3356	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2489	unless ++$bug_warning > 10;	3357	unless ++$bug_warning > 10;
2490	return;	3358	return;
2491	}	3359	}
2492		3360
2493	$NOW = Event::time;	3361	$NOW = $tick_start = Event::time;
2494		3362
2495	cf::server_tick; # one server iteration	3363	cf::server_tick; # one server iteration
		3364
		3365	0 && sync_job {#d#
		3366	for(1..10) {
		3367	my $t = Event::time;
		3368	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3369	or die;
		3370
		3371	$map->width (50);
		3372	$map->height (50);
		3373	$map->alloc;
		3374	$map->_load_objects ("/tmp/x.map", 1);
		3375	my $t = Event::time - $t;
		3376
		3377	#next unless $t < 0.0013;#d#
		3378	if ($t < $min) {
		3379	$min = $t;
		3380	}
		3381	$avg = $avg * 0.99 + $t * 0.01;
		3382	}
		3383	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3384	exit 0;
		3385	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3386	};
		3387
2496	$RUNTIME += $TICK;	3388	$RUNTIME += $TICK;
2497	$NEXT_TICK += $TICK;	3389	$NEXT_TICK += $TICK;
2498		3390
2499	$WAIT_FOR_TICK->broadcast;	3391	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2500	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3392	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3393	Coro::async_pool {
		3394	write_runtime
		3395	or warn "ERROR: unable to write runtime file: $!";
		3396	};
		3397	}
2501		3398
2502	my $AFTER = Event::time;	3399	# my $AFTER = Event::time;
2503	warn $AFTER - $NOW;#d#	3400	# warn $AFTER - $NOW;#d#
		3401
		3402	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3403	$sig->send;
		3404	}
		3405	while (my $sig = shift @WAIT_FOR_TICK) {
		3406	$sig->send;
		3407	}
		3408
		3409	$NOW = Event::time;
2504		3410
2505	# if we are delayed by four ticks or more, skip them all	3411	# if we are delayed by four ticks or more, skip them all
2506	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3412	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2507		3413
2508	$TICK_WATCHER->at ($NEXT_TICK);	3414	$TICK_WATCHER->at ($NEXT_TICK);
2509	$TICK_WATCHER->start;	3415	$TICK_WATCHER->start;
		3416
		3417	$LOAD = ($NOW - $tick_start) / $TICK;
		3418	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3419
		3420	_post_tick;
		3421
		3422
2510	},	3423	},
2511	);	3424	);
2512		3425
		3426	{
2513	IO::AIO::max_poll_time $TICK * 0.2;	3427	BDB::max_poll_time $TICK * 0.1;
		3428	$BDB_POLL_WATCHER = Event->io (
		3429	reentrant => 0,
		3430	fd => BDB::poll_fileno,
		3431	poll => 'r',
		3432	prio => 0,
		3433	data => WF_AUTOCANCEL,
		3434	cb => \&BDB::poll_cb,
		3435	);
		3436	BDB::min_parallel 8;
2514		3437
		3438	BDB::set_sync_prepare {
		3439	my $status;
		3440	my $current = $Coro::current;
		3441	(
		3442	sub {
		3443	$status = $!;
		3444	$current->ready; undef $current;
		3445	},
		3446	sub {
		3447	Coro::schedule while defined $current;
		3448	$! = $status;
		3449	},
		3450	)
		3451	};
		3452
		3453	unless ($DB_ENV) {
		3454	$DB_ENV = BDB::db_env_create;
		3455
		3456	cf::sync_job {
		3457	eval {
		3458	BDB::db_env_open
		3459	$DB_ENV,
		3460	$BDBDIR,
		3461	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3462	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3463	0666;
		3464
		3465	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3466
		3467	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3468	$DB_ENV->set_lk_detect;
		3469	};
		3470
		3471	cf::cleanup "db_env_open(db): $@" if $@;
		3472	};
		3473	}
		3474	}
		3475
		3476	{
		3477	IO::AIO::min_parallel 8;
		3478
2515	undef $Coro::AIO::WATCHER;	3479	undef $Coro::AIO::WATCHER;
		3480	IO::AIO::max_poll_time $TICK * 0.1;
2516	$AIO_POLL_WATCHER = Event->io (	3481	$AIO_POLL_WATCHER = Event->io (
2517	reentrant => 0,	3482	reentrant => 0,
		3483	data => WF_AUTOCANCEL,
2518	fd => IO::AIO::poll_fileno,	3484	fd => IO::AIO::poll_fileno,
2519	poll => 'r',	3485	poll => 'r',
2520	prio => 6,	3486	prio => 6,
2521	data => WF_AUTOCANCEL,
2522	cb => \&IO::AIO::poll_cb,	3487	cb => \&IO::AIO::poll_cb,
2523	);	3488	);
		3489	}
2524		3490
2525	$WRITE_RUNTIME_WATCHER = Event->timer (	3491	my $_log_backtrace;
2526	reentrant => 0,	3492
2527	data => WF_AUTOCANCEL,	3493	sub _log_backtrace {
2528	after => 1,	3494	my ($msg, @addr) = @_;
2529	interval => 10,	3495
2530	prio => 6, # keep it lowest so it acts like a watchdog	3496	$msg =~ s/\n//;
2531	cb => Coro::unblock_sub {	3497
2532	write_runtime	3498	# limit the # of concurrent backtraces
2533	or warn "ERROR: unable to write runtime file: $!";	3499	if ($_log_backtrace < 2) {
		3500	++$_log_backtrace;
		3501	async {
		3502	my @bt = fork_call {
		3503	@addr = map { sprintf "%x", $_ } @addr;
		3504	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3505	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3506	or die "addr2line: $!";
		3507
		3508	my @funcs;
		3509	my @res = <$fh>;
		3510	chomp for @res;
		3511	while (@res) {
		3512	my ($func, $line) = splice @res, 0, 2, ();
		3513	push @funcs, "[$func] $line";
		3514	}
		3515
		3516	@funcs
		3517	};
		3518
		3519	LOG llevInfo, "[ABT] $msg\n";
		3520	LOG llevInfo, "[ABT] $_\n" for @bt;
		3521	--$_log_backtrace;
		3522	};
		3523	} else {
		3524	LOG llevInfo, "[ABT] $msg\n";
		3525	LOG llevInfo, "[ABT] [suppressed]\n";
2534	},	3526	}
2535	);	3527	}
		3528
		3529	# load additional modules
		3530	use cf::pod;
2536		3531
2537	END { cf::emergency_save }	3532	END { cf::emergency_save }
2538		3533
2539	1	3534	1
2540		3535

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