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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.172 by root, Sun Jan 14 13:32:48 2007 UTC vs.
Revision 1.314 by root, Mon Jul 23 16:53:15 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 3.3 ();	15	use Coro 3.61 ();
		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;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$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		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	79	our $NEXT_TICK;
52	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
58		90
59	our %PLAYER; # all users	91	our %PLAYER; # all users
60	our %MAP; # all maps	92	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	93	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		94
67	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
70	binmode STDOUT;	102	binmode STDOUT;
71	binmode STDERR;	103	binmode STDERR;
72		104
73	# read virtual server time, if available	105	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
78	}	110	}
79		111
80	mkdir cf::localdir;	112	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		114
86	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
87		118
88	#############################################################################	119	#############################################################################
89		120
90	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
91		122
…		…
98	=item $cf::RUNTIME	129	=item $cf::RUNTIME
99		130
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	132	every server tick.
102		133
103	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		137
105	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
107		142
108	=item $cf::NOW	143	=item $cf::NOW
109		144
110	The time of the last (current) server tick.	145	The time of the last (current) server tick.
111		146
112	=item $cf::TICK	147	=item $cf::TICK
113		148
114	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
115		160
116	=item %cf::CFG	161	=item %cf::CFG
117		162
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	164	from wherever your confdir points to.
120		165
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		167
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	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	169	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	170	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.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
127		177
128	=back	178	=back
129		179
130	=cut	180	=cut
131		181
132	BEGIN {	182	BEGIN {
133	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	184	my $msg = join "", @_;
135	utf8::encode $msg;
136		185
137	$msg .= "\n"	186	$msg .= "\n"
138	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
139		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
140	LOG llevError, $msg;	192	LOG llevError, $msg;
141	};	193	};
142	}	194	}
143		195
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		203
151	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	205	# within the Safe compartment.
153	for my $pkg (qw(	206	for my $pkg (qw(
154	cf::global cf::attachable	207	cf::global cf::attachable
…		…
162	}	215	}
163		216
164	$Event::DIED = sub {	217	$Event::DIED = sub {
165	warn "error in event callback: @_";	218	warn "error in event callback: @_";
166	};	219	};
		220
		221	#############################################################################
167		222
168	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
169		224
170	=over 4	225	=over 4
171		226
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	246	$d
192	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
193	}	248	}
194		249
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
198		251
199	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
200		253
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
209		255
210	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
211		257
212	=cut	258	=cut
213		259
214	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
216	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
218		264
219	=item cf::lock_wait $string	265	=item cf::lock_wait $string
220		266
221	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
222		268
…		…
228	returned.	274	returned.
229		275
230	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
232		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
233	=cut	283	=cut
234		284
235	our %LOCK;	285	our %LOCK;
236		286
237	sub lock_wait($) {	287	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
258	}	308	}
259	}	309	}
260		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
261	sub freeze_mainloop {	317	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
263		319
264	my $guard = Coro::guard {	320	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	322	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
270	$guard	324	$guard
		325	}
		326
		327	=item cf::get_slot $time[, $priority]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	Useful for short background jobs.
		334
		335	=cut
		336
		337	our @SLOT_QUEUE;
		338	our $SLOT_QUEUE;
		339
		340	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		341	$SLOT_QUEUE = Coro::async {
		342	my $signal = new Coro::Signal;
		343
		344	while () {
		345	next_job:
		346	my $avail = cf::till_tick;
		347	if ($avail > 0.01) {
		348	for (0 .. $#SLOT_QUEUE) {
		349	if ($SLOT_QUEUE[$_][0] < $avail) {
		350	my $job = splice @SLOT_QUEUE, $_, 1, ();
		351	$job->[2]->send;
		352	Coro::cede;
		353	goto next_job;
		354	}
		355	}
		356	}
		357
		358	if (@SLOT_QUEUE) {
		359	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		360	push @cf::WAIT_FOR_TICK, $signal;
		361	$signal->wait;
		362	} else {
		363	Coro::schedule;
		364	}
		365	}
		366	};
		367
		368	sub get_slot($;$) {
		369	my ($time, $pri) = @_;
		370
		371	push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal];
		372	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		373	$SLOT_QUEUE->ready;
		374	$sig->wait;
271	}	375	}
272		376
273	=item cf::async { BLOCK }	377	=item cf::async { BLOCK }
274		378
275	Currently the same as Coro::async_pool, meaning you cannot use	379	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		384
281	BEGIN { *async = \&Coro::async_pool }	385	BEGIN { *async = \&Coro::async_pool }
282		386
283	=item cf::sync_job { BLOCK }	387	=item cf::sync_job { BLOCK }
284		388
285	The design of crossfire+ requires that the main coro ($Coro::main) is	389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	390	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		392	acceptable.
288		393
289	If it must be done, put the blocking parts into C<sync_job>. This will run	394	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	395	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	396	server will be frozen during this time, so the block should either finish
292	fast or be very important.	397	fast or be very important.
…		…
295		400
296	sub sync_job(&) {	401	sub sync_job(&) {
297	my ($job) = @_;	402	my ($job) = @_;
298		403
299	if ($Coro::current == $Coro::main) {	404	if ($Coro::current == $Coro::main) {
		405	my $time = Event::time;
		406
300	# this is the main coro, too bad, we have to block	407	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	408	# till the operation succeeds, freezing the server :/
302		409
303	# TODO: use suspend/resume instead	410	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	411	# (but this is cancel-safe)
…		…
315		422
316	while ($busy) {	423	while ($busy) {
317	Coro::cede or Event::one_event;	424	Coro::cede or Event::one_event;
318	}	425	}
319		426
		427	$time = Event::time - $time;
		428
		429	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		430	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		431
		432	$tick_start += $time; # do not account sync jobs to server load
		433
320	wantarray ? @res : $res[0]	434	wantarray ? @res : $res[0]
321	} else {	435	} else {
322	# we are in another coroutine, how wonderful, everything just works	436	# we are in another coroutine, how wonderful, everything just works
323		437
324	$job->()	438	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	457	$EXT_CORO{$coro+0} = $coro;
344		458
345	$coro	459	$coro
346	}	460	}
347		461
348	sub write_runtime {	462	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		463
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	464	Executes the given code block with the given arguments in a seperate
352	or return;	465	process, returning the results. Everything must be serialisable with
		466	Coro::Storable. May, of course, block. Note that the executed sub may
		467	never block itself or use any form of Event handling.
353		468
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	469	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		470
358	aio_fsync $fh	471	sub _store_scalar {
359	and return;	472	open my $fh, ">", \my $buf
360		473	or die "fork_call: cannot open fh-to-buf in child : $!";
		474	Storable::store_fd $_[0], $fh;
361	close $fh	475	close $fh;
362	or return;
363		476
364	aio_rename "$runtime~", $runtime	477	$buf
365	and return;	478	}
366		479
		480	sub fork_call(&@) {
		481	my ($cb, @args) = @_;
		482
		483	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		484	# or die "socketpair: $!";
		485	pipe my $fh1, my $fh2
		486	or die "pipe: $!";
		487
		488	if (my $pid = fork) {
		489	close $fh2;
		490
		491	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		492	warn "pst<$res>" unless $res =~ /^pst/;
		493	$res = Coro::Storable::thaw $res;
		494
		495	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		496
		497	Carp::confess $$res unless "ARRAY" eq ref $res;
		498
		499	return wantarray ? @$res : $res->[-1];
		500	} else {
		501	reset_signals;
		502	local $SIG{__WARN__};
		503	local $SIG{__DIE__};
		504	# just in case, this hack effectively disables event
		505	# in the child. cleaner and slower would be canceling all watchers,
		506	# but this works for the time being.
		507	local $Coro::idle;
		508	$Coro::current->prio (Coro::PRIO_MAX);
		509
		510	eval {
		511	close $fh1;
		512
		513	my @res = eval { $cb->(@args) };
		514
		515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		516	close $fh2;
		517	};
		518
		519	warn $@ if $@;
		520	_exit 0;
367	1	521	}
		522	}
		523
		524	=item $value = cf::db_get $family => $key
		525
		526	Returns a single value from the environment database.
		527
		528	=item cf::db_put $family => $key => $value
		529
		530	Stores the given C<$value> in the family. It can currently store binary
		531	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		532
		533	=cut
		534
		535	our $DB;
		536
		537	sub db_init {
		538	unless ($DB) {
		539	$DB = BDB::db_create $DB_ENV;
		540
		541	cf::sync_job {
		542	eval {
		543	$DB->set_flags (BDB::CHKSUM);
		544
		545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		547	cf::cleanup "db_open(db): $!" if $!;
		548	};
		549	cf::cleanup "db_open(db): $@" if $@;
		550	};
		551	}
		552	}
		553
		554	sub db_get($$) {
		555	my $key = "$_[0]/$_[1]";
		556
		557	cf::sync_job {
		558	BDB::db_get $DB, undef, $key, my $data;
		559
		560	$! ? ()
		561	: $data
		562	}
		563	}
		564
		565	sub db_put($$$) {
		566	BDB::dbreq_pri 4;
		567	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		568	}
		569
		570	=item cf::cache $id => [$paths...], $processversion => $process
		571
		572	Generic caching function that returns the value of the resource $id,
		573	caching and regenerating as required.
		574
		575	This function can block.
		576
		577	=cut
		578
		579	sub cache {
		580	my ($id, $src, $processversion, $process) = @_;
		581
		582	my $meta =
		583	join "\x00",
		584	$processversion,
		585	map {
		586	aio_stat $_
		587	and Carp::croak "$_: $!";
		588
		589	($_, (stat _)[7,9])
		590	} @$src;
		591
		592	my $dbmeta = db_get cache => "$id/meta";
		593	if ($dbmeta ne $meta) {
		594	# changed, we may need to process
		595
		596	my @data;
		597	my $md5;
		598
		599	for (0 .. $#$src) {
		600	0 <= aio_load $src->[$_], $data[$_]
		601	or Carp::croak "$src->[$_]: $!";
		602	}
		603
		604	# if processing is expensive, check
		605	# checksum first
		606	if (1) {
		607	$md5 =
		608	join "\x00",
		609	$processversion,
		610	map {
		611	Coro::cede;
		612	($src->[$_], Digest::MD5::md5_hex $data[$_])
		613	} 0.. $#$src;
		614
		615
		616	my $dbmd5 = db_get cache => "$id/md5";
		617	if ($dbmd5 eq $md5) {
		618	db_put cache => "$id/meta", $meta;
		619
		620	return db_get cache => "$id/data";
		621	}
		622	}
		623
		624	my $t1 = Time::HiRes::time;
		625	my $data = $process->(\@data);
		626	my $t2 = Time::HiRes::time;
		627
		628	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		629
		630	db_put cache => "$id/data", $data;
		631	db_put cache => "$id/md5" , $md5;
		632	db_put cache => "$id/meta", $meta;
		633
		634	return $data;
		635	}
		636
		637	db_get cache => "$id/data"
		638	}
		639
		640	=item cf::datalog type => key => value, ...
		641
		642	Log a datalog packet of the given type with the given key-value pairs.
		643
		644	=cut
		645
		646	sub datalog($@) {
		647	my ($type, %kv) = @_;
		648	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	649	}
369		650
370	=back	651	=back
371		652
372	=cut	653	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	660	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	661	to it. All such attachable objects support the following methods.
381		662
382	In the following description, CLASS can be any of C<global>, C<object>	663	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	664	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	665	Crossfire TRT).
385		666
386	=over 4	667	=over 4
387		668
388	=item $attachable->attach ($attachment, key => $value...)	669	=item $attachable->attach ($attachment, key => $value...)
389		670
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	833	$registry = $CB_TYPE[$object_type] ||= [];
553		834
554	} elsif ($type eq "subtype") {	835	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	836	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	837	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	838	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		839
559	} elsif ($type eq "package") {	840	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	841	my $pkg = shift @arg;
561		842
562	while (my ($name, $id) = each %cb_id) {	843	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	872	_attach $registry, $klass, @attach;
592	}	873	}
593		874
594	$obj->{$name} = \%arg;	875	$obj->{$name} = \%arg;
595	} else {	876	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	877	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	878	}
598		879
599	$obj->{_attachment}{$name} = undef;	880	$obj->{_attachment}{$name} = undef;
600	}	881	}
601		882
…		…
603	if (ref $_[0]) {	884	if (ref $_[0]) {
604	_object_attach @_;	885	_object_attach @_;
605	} else {	886	} else {
606	_attach shift->_attach_registry, @_;	887	_attach shift->_attach_registry, @_;
607	}	888	}
		889	_recalc_want;
608	};	890	};
609		891
610	# all those should be optimised	892	# all those should be optimised
611	sub cf::attachable::detach {	893	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	894	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	897	delete $obj->{_attachment}{$name};
616	reattach ($obj);	898	reattach ($obj);
617	} else {	899	} else {
618	Carp::croak "cannot, currently, detach class attachments";	900	Carp::croak "cannot, currently, detach class attachments";
619	}	901	}
		902	_recalc_want;
620	};	903	};
621		904
622	sub cf::attachable::attached {	905	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	906	my ($obj, $name) = @_;
624		907
…		…
639	";	922	";
640	die if $@;	923	die if $@;
641	}	924	}
642		925
643	our $override;	926	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	927	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		928
646	sub override {	929	sub override {
647	$override = 1;	930	$override = 1;
648	@invoke_results = ();	931	@INVOKE_RESULTS = (@_);
649	}	932	}
650		933
651	sub do_invoke {	934	sub do_invoke {
652	my $event = shift;	935	my $event = shift;
653	my $callbacks = shift;	936	my $callbacks = shift;
654		937
655	@invoke_results = ();	938	@INVOKE_RESULTS = ();
656		939
657	local $override;	940	local $override;
658		941
659	for (@$callbacks) {	942	for (@$callbacks) {
660	eval { &{$_->[1]} };	943	eval { &{$_->[1]} };
…		…
677		960
678	Generate an object-specific event with the given arguments.	961	Generate an object-specific event with the given arguments.
679		962
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	963	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	964	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	965	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		966
684	=back	967	=back
685		968
686	=cut	969	=cut
687		970
688	#############################################################################	971	#############################################################################
689	# object support	972	# object support
		973	#
		974
		975	sub _can_merge {
		976	my ($ob1, $ob2) = @_;
		977
		978	local $Storable::canonical = 1;
		979	my $fob1 = Storable::freeze $ob1;
		980	my $fob2 = Storable::freeze $ob2;
		981
		982	$fob1 eq $fob2
		983	}
690		984
691	sub reattach {	985	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	986	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	987	my ($obj) = @_;
694		988
…		…
747	$filename, length $$rdata, scalar @$objs;	1041	$filename, length $$rdata, scalar @$objs;
748		1042
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1043	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1044	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1045	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1046	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1047	close $fh;
754		1048
755	if (@$objs) {	1049	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1050	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1051	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1052	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1053	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1054	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1055	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1056	aio_rename "$filename.pst~", "$filename.pst";
763	}	1057	}
764	} else {	1058	} else {
765	aio_unlink "$filename.pst";	1059	aio_unlink "$filename.pst";
…		…
797	or return;	1091	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1093	}
800		1094
801	warn sprintf "loading %s (%d)\n",	1095	warn sprintf "loading %s (%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1096	$filename, length $data, scalar @{$av || []};
803	return ($data, $av);	1097	return ($data, $av);
804	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
805		1105
806	#############################################################################	1106	#############################################################################
807	# command handling &c	1107	# command handling &c
808		1108
809	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1123	}
824		1124
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1126
827	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
828		1132
829	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
830	called.	1134	called.
831		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
832	=cut	1147	=cut
833		1148
834	sub register_extcmd {	1149	sub register_extcmd {
835	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
836		1151
837	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
838	}	1159	}
839		1160
840	cf::player->attach (	1161	cf::player->attach (
841	on_command => sub {	1162	on_command => sub {
842	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1172	cf::override;
852	},	1173	},
853	on_extcmd => sub {	1174	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
855		1176
856	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1178
858	if (ref $msg) {	1179	if (ref $msg) {
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
860	if (my %reply = $cb->($pl, $msg)) {	1181	if (my %reply = $cb->($pl, $msg)) {
861	$pl->ext_reply ($msg->{msgid}, %reply);	1182	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
867		1188
868	cf::override;	1189	cf::override;
869	},	1190	},
870	);	1191	);
871		1192
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1193	sub load_extensions {
		1194	cf::sync_job {
		1195	my %todo;
		1196
907	for my $ext (<$LIBDIR/*.ext>) {	1197	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1198	next unless -r $path;
909	eval {	1199
910	load_extension $ext;	1200	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1201	my $base = $1;
		1202	my $pkg = $1;
		1203	$pkg =~ s/[^[:word:]]/_/g;
		1204	$pkg = "ext::$pkg";
		1205
		1206	open my $fh, "<:utf8", $path
		1207	or die "$path: $!";
		1208
		1209	my $source = do { local $/; <$fh> };
		1210
		1211	my %ext = (
		1212	path => $path,
		1213	base => $base,
		1214	pkg => $pkg,
		1215	);
		1216
		1217	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1218	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1219
		1220	$ext{source} =
		1221	"package $pkg; use strict; use utf8;\n"
		1222	. "#line 1 \"$path\"\n{\n"
		1223	. $source
		1224	. "\n};\n1";
		1225
		1226	$todo{$base} = \%ext;
		1227	}
		1228
		1229	my %done;
		1230	while (%todo) {
		1231	my $progress;
		1232
		1233	while (my ($k, $v) = each %todo) {
		1234	for (split /,\s*/, $v->{meta}{depends}) {
		1235	goto skip
		1236	unless exists $done{$_};
		1237	}
		1238
		1239	warn "... loading '$k' into '$v->{pkg}'\n";
		1240
		1241	unless (eval $v->{source}) {
		1242	my $msg = $@ ? "$v->{path}: $@\n"
		1243	: "$v->{base}: extension inactive.\n";
		1244
		1245	if (exists $v->{meta}{mandatory}) {
		1246	warn $msg;
		1247	warn "mandatory extension failed to load, exiting.\n";
		1248	exit 1;
		1249	}
		1250
		1251	warn $msg;
		1252	}
		1253
		1254	$done{$k} = delete $todo{$k};
		1255	push @EXTS, $v->{pkg};
		1256	$progress = 1;
911	1	1257	}
912	} or warn "$ext not loaded: $@";	1258
		1259	skip:
		1260	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1261	unless $progress;
		1262	}
913	}	1263	};
914	}	1264	}
915		1265
916	#############################################################################	1266	#############################################################################
917		1267
		1268	=back
		1269
918	=head2 CORE EXTENSIONS	1270	=head2 CORE EXTENSIONS
919		1271
920	Functions and methods that extend core crossfire objects.	1272	Functions and methods that extend core crossfire objects.
921		1273
922	=cut	1274	=cut
…		…
934	Returns the given player object, loading it if necessary (might block).	1286	Returns the given player object, loading it if necessary (might block).
935		1287
936	=cut	1288	=cut
937		1289
938	sub playerdir($) {	1290	sub playerdir($) {
939	cf::localdir	1291	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1292	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1293	}
945		1294
946	sub path($) {	1295	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1296	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1297
949	(playerdir $login) . "/$login.pl"	1298	(playerdir $login) . "/playerdata"
950	}	1299	}
951		1300
952	sub find_active($) {	1301	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1302	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1303	and $cf::PLAYER{$_[0]}->active
…		…
957		1306
958	sub exists($) {	1307	sub exists($) {
959	my ($login) = @_;	1308	my ($login) = @_;
960		1309
961	$cf::PLAYER{$login}	1310	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1311	or cf::sync_job { !aio_stat path $login }
963	}	1312	}
964		1313
965	sub find($) {	1314	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1315	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1316	my $login = $_[0];
968		1317
969	my $guard = cf::lock_acquire "user_find:$login";	1318	my $guard = cf::lock_acquire "user_find:$login";
970		1319
971	$cf::PLAYER{$_[0]} || do {	1320	$cf::PLAYER{$_[0]} || do {
		1321	# rename old playerfiles to new ones
		1322	#TODO: remove when no longer required
		1323	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1324	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1325	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1326	aio_unlink +(playerdir $login) . "/$login.pl";
		1327
972	my $pl = load_pl path $login	1328	my $pl = load_pl path $login
973	or return;	1329	or return;
974	$cf::PLAYER{$login} = $pl	1330	$cf::PLAYER{$login} = $pl
975	}	1331	}
976	}	1332	}
…		…
1013		1369
1014	=cut	1370	=cut
1015		1371
1016	sub quit_character {	1372	sub quit_character {
1017	my ($pl) = @_;	1373	my ($pl) = @_;
		1374
		1375	my $name = $pl->ob->name;
1018		1376
1019	$pl->{deny_save} = 1;	1377	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1378	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1379
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1380	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1385	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1386	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1387	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1388	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1389	$pl->destroy;
		1390
		1391	my $prefix = qr<^~\Q$name\E/>;
		1392
		1393	# nuke player maps
		1394	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1395
1032	IO::AIO::aio_rmtree $temp;	1396	IO::AIO::aio_rmtree $temp;
		1397	}
		1398
		1399	=item $pl->kick
		1400
		1401	Kicks a player out of the game. This destroys the connection.
		1402
		1403	=cut
		1404
		1405	sub kick {
		1406	my ($pl, $kicker) = @_;
		1407
		1408	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1409	$pl->killer ("kicked");
		1410	$pl->ns->destroy;
1033	}	1411	}
1034		1412
1035	=item cf::player::list_logins	1413	=item cf::player::list_logins
1036		1414
1037	Returns am arrayref of all valid playernames in the system, can take a	1415	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1416	while and may block, so not sync_job-capable, ever.
1039		1417
1040	=cut	1418	=cut
1041		1419
1042	sub list_logins {	1420	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1421	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1422	or return [];
1045		1423
1046	my @logins;	1424	my @logins;
1047		1425
1048	for my $login (@$dirs) {	1426	for my $login (@$dirs) {
…		…
1065	=cut	1443	=cut
1066		1444
1067	sub maps($) {	1445	sub maps($) {
1068	my ($pl) = @_;	1446	my ($pl) = @_;
1069		1447
		1448	$pl = ref $pl ? $pl->ob->name : $pl;
		1449
1070	my $files = aio_readdir playerdir $pl	1450	my $files = aio_readdir playerdir $pl
1071	or return;	1451	or return;
1072		1452
1073	my @paths;	1453	my @paths;
1074		1454
1075	for (@$files) {	1455	for (@$files) {
1076	utf8::decode $_;	1456	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1457	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1458	next unless /^$PATH_SEP/o;
1079		1459
1080	s/\.map$//;	1460	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1461	}
1083		1462
1084	\@paths	1463	\@paths
1085	}	1464	}
1086		1465
		1466	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1467
		1468	Expand crossfire pod fragments into protocol xml.
		1469
		1470	=cut
		1471
		1472	sub expand_cfpod {
		1473	((my $self), (local $_)) = @_;
		1474
		1475	# escape & and <
		1476	s/&/&amp;/g;
		1477	s/(?<![BIUGH])</&lt;/g;
		1478
		1479	# this is buggy, it needs to properly take care of nested <'s
		1480
		1481	1 while
		1482	# replace B<>, I<>, U<> etc.
		1483	s/B<([^\>]*)>/<b>$1<\/b>/
		1484	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1485	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1486	# replace G<male|female> tags
		1487	|| s{G<([^>|]*)\|([^>]*)>}{
		1488	$self->gender ? $2 : $1
		1489	}ge
		1490	# replace H<hint text>
		1491	|| s{H<([^\>]*)>}
		1492	{
		1493	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1494	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1495	"")
		1496	[$self->{hintmode}]
		1497	}ge;
		1498
		1499	# create single paragraphs (very hackish)
		1500	s/(?<=\S)\n(?=\w)/ /g;
		1501
		1502	# compress some whitespace
		1503	s/\s+\n/\n/g; # ws line-ends
		1504	s/\n\n+/\n/g; # double lines
		1505	s/^\n+//; # beginning lines
		1506	s/\n+$//; # ending lines
		1507
		1508	$_
		1509	}
		1510
		1511	sub hintmode {
		1512	$_[0]{hintmode} = $_[1] if @_ > 1;
		1513	$_[0]{hintmode}
		1514	}
		1515
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1516	=item $player->ext_reply ($msgid, %msg)
1088		1517
1089	Sends an ext reply to the player.	1518	Sends an ext reply to the player.
1090		1519
1091	=cut	1520	=cut
1092		1521
1093	sub ext_reply($$$%) {	1522	sub ext_reply($$%) {
1094	my ($self, $id, %msg) = @_;	1523	my ($self, $id, %msg) = @_;
1095		1524
1096	$msg{msgid} = $id;	1525	$msg{msgid} = $id;
1097		1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1527	}
1100		1528
1101	package cf;	1529	=item $player->ext_event ($type, %msg)
		1530
		1531	Sends an ext event to the client.
		1532
		1533	=cut
		1534
		1535	sub ext_event($$%) {
		1536	my ($self, $type, %msg) = @_;
		1537
		1538	$self->ns->ext_event ($type, %msg);
		1539	}
		1540
		1541	=head3 cf::region
		1542
		1543	=over 4
		1544
		1545	=cut
		1546
		1547	package cf::region;
		1548
		1549	=item cf::region::find_by_path $path
		1550
		1551	Tries to decuce the likely region for a map knowing only its path.
		1552
		1553	=cut
		1554
		1555	sub find_by_path($) {
		1556	my ($path) = @_;
		1557
		1558	my ($match, $specificity);
		1559
		1560	for my $region (list) {
		1561	if ($region->{match} && $path =~ $region->{match}) {
		1562	($match, $specificity) = ($region, $region->specificity)
		1563	if $region->specificity > $specificity;
		1564	}
		1565	}
		1566
		1567	$match
		1568	}
1102		1569
1103	=back	1570	=back
1104
1105		1571
1106	=head3 cf::map	1572	=head3 cf::map
1107		1573
1108	=over 4	1574	=over 4
1109		1575
…		…
1113		1579
1114	use Fcntl;	1580	use Fcntl;
1115	use Coro::AIO;	1581	use Coro::AIO;
1116		1582
1117	use overload	1583	use overload
1118	'""' => \&as_string;	1584	'""' => \&as_string,
		1585	fallback => 1;
1119		1586
1120	our $MAX_RESET = 3600;	1587	our $MAX_RESET = 3600;
1121	our $DEFAULT_RESET = 3000;	1588	our $DEFAULT_RESET = 3000;
1122		1589
1123	sub generate_random_map {	1590	sub generate_random_map {
1124	my ($self, $rmp) = @_;	1591	my ($self, $rmp) = @_;
1125
1126	# mit "rum" bekleckern, nicht	1592	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1593	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1594	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1595	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1596	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1603	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1604	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1605	)
1140	}	1606	}
1141		1607
		1608	=item cf::map->register ($regex, $prio)
		1609
		1610	Register a handler for the map path matching the given regex at the
		1611	givne priority (higher is better, built-in handlers have priority 0, the
		1612	default).
		1613
		1614	=cut
		1615
1142	sub register {	1616	sub register {
1143	my (undef, $regex) = @_;	1617	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1618	my $pkg = caller;
1145		1619
1146	no strict;	1620	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1621	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1622
1149	$EXT_MAP{$pkg} = qr<$regex>;	1623	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1624	}
1151		1625
1152	# also paths starting with '/'	1626	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1627	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1628
1155	sub thawer_merge {	1629	sub thawer_merge {
1156	my ($self, $merge) = @_;	1630	my ($self, $merge) = @_;
1157		1631
1158	# we have to keep some variables in memory intact	1632	# we have to keep some variables in memory intact
1159	local $self->{path};	1633	local $self->{path};
1160	local $self->{load_path};	1634	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1635
1164	$self->SUPER::thawer_merge ($merge);	1636	$self->SUPER::thawer_merge ($merge);
1165	}	1637	}
1166		1638
1167	sub normalise {	1639	sub normalise {
1168	my ($path, $base) = @_;	1640	my ($path, $base) = @_;
		1641
		1642	$path = "$path"; # make sure its a string
		1643
		1644	$path =~ s/\.map$//;
1169		1645
1170	# map plan:	1646	# map plan:
1171	#	1647	#
1172	# /! non-realised random map exit (special hack!)	1648	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1649	# {... are special paths that are not being touched
…		…
1201		1677
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1678	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1679
1204	$path = normalise $path, $base;	1680	$path = normalise $path, $base;
1205		1681
1206	for my $pkg (keys %EXT_MAP) {	1682	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1683	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1684	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1685	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1686	$self->init; # pass $1 etc.
1211	return $self;	1687	return $self;
1212	}	1688	}
1213	}	1689	}
1214		1690
1215	Carp::carp "unable to resolve path '$path'.";	1691	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1692	()
1217	}	1693	}
1218		1694
1219	sub init {	1695	sub init {
1220	my ($self) = @_;	1696	my ($self) = @_;
…		…
1235		1711
1236	# the original (read-only) location	1712	# the original (read-only) location
1237	sub load_path {	1713	sub load_path {
1238	my ($self) = @_;	1714	my ($self) = @_;
1239		1715
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1716	"$MAPDIR/$self->{path}.map"
1241	}	1717	}
1242		1718
1243	# the temporary/swap location	1719	# the temporary/swap location
1244	sub save_path {	1720	sub save_path {
1245	my ($self) = @_;	1721	my ($self) = @_;
1246		1722
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1724	"$TMPDIR/$path.map"
1249	}	1725	}
1250		1726
1251	# the unique path, undef == no special unique path	1727	# the unique path, undef == no special unique path
1252	sub uniq_path {	1728	sub uniq_path {
1253	my ($self) = @_;	1729	my ($self) = @_;
1254		1730
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1732	"$UNIQUEDIR/$path"
1257	}	1733	}
1258		1734
1259	# and all this just because we cannot iterate over	1735	# and all this just because we cannot iterate over
1260	# all maps in C++...	1736	# all maps in C++...
1261	sub change_all_map_light {	1737	sub change_all_map_light {
…		…
1263		1739
1264	$_->change_map_light ($change)	1740	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1741	for grep $_->outdoor, values %cf::MAP;
1266	}	1742	}
1267		1743
		1744	sub decay_objects {
		1745	my ($self) = @_;
		1746
		1747	return if $self->{deny_reset};
		1748
		1749	$self->do_decay_objects;
		1750	}
		1751
1268	sub unlink_save {	1752	sub unlink_save {
1269	my ($self) = @_;	1753	my ($self) = @_;
1270		1754
1271	utf8::encode (my $save = $self->save_path);	1755	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1756	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1759
1276	sub load_header_from($) {	1760	sub load_header_from($) {
1277	my ($self, $path) = @_;	1761	my ($self, $path) = @_;
1278		1762
1279	utf8::encode $path;	1763	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1764	#aio_open $path, O_RDONLY, 0
1281	or return;	1765	# or return;
1282		1766
1283	$self->_load_header ($path)	1767	$self->_load_header ($path)
1284	or return;	1768	or return;
1285		1769
1286	$self->{load_path} = $path;	1770	$self->{load_path} = $path;
1287		1771
1288	1	1772	1
1289	}	1773	}
1290		1774
1291	sub load_orig {	1775	sub load_header_orig {
1292	my ($self) = @_;	1776	my ($self) = @_;
1293		1777
1294	$self->load_header_from ($self->load_path)	1778	$self->load_header_from ($self->load_path)
1295	}	1779	}
1296		1780
1297	sub load_temp {	1781	sub load_header_temp {
1298	my ($self) = @_;	1782	my ($self) = @_;
1299		1783
1300	$self->load_header_from ($self->save_path)	1784	$self->load_header_from ($self->save_path)
		1785	}
		1786
		1787	sub prepare_temp {
		1788	my ($self) = @_;
		1789
		1790	$self->last_access ((delete $self->{last_access})
		1791	|| $cf::RUNTIME); #d#
		1792	# safety
		1793	$self->{instantiate_time} = $cf::RUNTIME
		1794	if $self->{instantiate_time} > $cf::RUNTIME;
		1795	}
		1796
		1797	sub prepare_orig {
		1798	my ($self) = @_;
		1799
		1800	$self->{load_original} = 1;
		1801	$self->{instantiate_time} = $cf::RUNTIME;
		1802	$self->last_access ($cf::RUNTIME);
		1803	$self->instantiate;
1301	}	1804	}
1302		1805
1303	sub load_header {	1806	sub load_header {
1304	my ($self) = @_;	1807	my ($self) = @_;
1305		1808
1306	if ($self->load_temp) {	1809	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1810	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1811	} else {
1313	$self->load_orig	1812	$self->load_header_orig
1314	or return;	1813	or return;
1315		1814	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	1815	}
		1816
		1817	$self->{deny_reset} = 1
		1818	if $self->no_reset;
		1819
		1820	$self->default_region (cf::region::find_by_path $self->{path})
		1821	unless $self->default_region;
1321		1822
1322	1	1823	1
1323	}	1824	}
1324		1825
1325	sub find;	1826	sub find;
…		…
1338	$map->{last_save} = $cf::RUNTIME;	1839	$map->{last_save} = $cf::RUNTIME;
1339		1840
1340	$map->load_header	1841	$map->load_header
1341	or return;	1842	or return;
1342		1843
1343	if ($map->should_reset) {	1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1845	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	1846	#$cf::WAIT_FOR_TICK->wait;
1345	$map->reset;	1847	$map->reset;
1346	undef $guard;	1848	undef $guard;
1347	$map = find $path	1849	return find $path;
1348	or return;
1349	}	1850	}
1350		1851
1351	$cf::MAP{$path} = $map	1852	$cf::MAP{$path} = $map
1352	}	1853	}
1353	}	1854	}
		1855
		1856	sub pre_load { }
		1857	sub post_load { }
1354		1858
1355	sub load {	1859	sub load {
1356	my ($self) = @_;	1860	my ($self) = @_;
1357		1861
		1862	local $self->{deny_reset} = 1; # loading can take a long time
		1863
1358	my $path = $self->{path};	1864	my $path = $self->{path};
		1865
		1866	{
1359	my $guard = cf::lock_acquire "map_load:$path";	1867	my $guard = cf::lock_acquire "map_load:$path";
1360		1868
1361	return if $self->in_memory != cf::MAP_SWAPPED;	1869	return if $self->in_memory != cf::MAP_SWAPPED;
1362		1870
1363	$self->in_memory (cf::MAP_LOADING);	1871	$self->in_memory (cf::MAP_LOADING);
1364		1872
1365	$self->alloc;	1873	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)
1367	or return;
1368		1874
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1875	$self->pre_load;
1370	if delete $self->{load_original};
1371
1372	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {
1375	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);
1377	}
1378	}
1379
1380	Coro::cede;
1381
1382	# now do the right thing for maps
1383	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;	1876	Coro::cede;
1390	$self->set_darkness_map;	1877
		1878	$self->_load_objects ($self->{load_path}, 1)
		1879	or return;
		1880
		1881	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1882	if delete $self->{load_original};
		1883
		1884	if (my $uniq = $self->uniq_path) {
		1885	utf8::encode $uniq;
		1886	if (aio_open $uniq, O_RDONLY, 0) {
		1887	$self->clear_unique_items;
		1888	$self->_load_objects ($uniq, 0);
		1889	}
		1890	}
		1891
		1892	Coro::cede;
		1893	# now do the right thing for maps
		1894	$self->link_multipart_objects;
1391	$self->difficulty ($self->estimate_difficulty)	1895	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	1896	unless $self->difficulty;
1393	Coro::cede;	1897	Coro::cede;
		1898
		1899	unless ($self->{deny_activate}) {
		1900	$self->decay_objects;
		1901	$self->fix_auto_apply;
		1902	$self->update_buttons;
		1903	Coro::cede;
		1904	$self->set_darkness_map;
		1905	Coro::cede;
1394	$self->activate;	1906	$self->activate;
1395	}	1907	}
1396		1908
1397	$self->in_memory (cf::MAP_IN_MEMORY);	1909	$self->in_memory (cf::MAP_IN_MEMORY);
		1910	}
		1911
		1912	$self->post_load;
1398	}	1913	}
1399		1914
1400	sub customise_for {	1915	sub customise_for {
1401	my ($self, $ob) = @_;	1916	my ($self, $ob) = @_;
1402		1917
1403	return find "~" . $ob->name . "/" . $self->{path}	1918	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	1919	if $self->per_player;
		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
1405		1923
1406	$self	1924	$self
1407	}	1925	}
1408		1926
1409	# find and load all maps in the 3x3 area around a map	1927	# find and load all maps in the 3x3 area around a map
…		…
1441		1959
1442	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1443	}	1961	}
1444		1962
1445	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	1964	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		1965
1459	sub find_async {	1966	sub find_async {
1460	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1461		1968
1462	$path = normalise $path, $origin && $origin->{path};	1969	$path = normalise $path, $origin && $origin->{path};
1463		1970
1464	if (my $map = $cf::MAP{$path}) {	1971	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1466	}	1973	}
1467		1974
1468	$MAP_PREFETCH{$path} = 0;	1975	undef $MAP_PREFETCH{$path};
		1976	$MAP_PREFETCHER ||= cf::async {
		1977	while (%MAP_PREFETCH) {
		1978	for my $path (keys %MAP_PREFETCH) {
		1979	if (my $map = find $path) {
		1980	$map->load;
		1981	}
		1982
		1983	delete $MAP_PREFETCH{$path};
		1984	}
		1985	}
		1986	undef $MAP_PREFETCHER;
		1987	};
1469	$MAP_PREFETCHER->ready;	1988	$MAP_PREFETCHER->prio (6);
1470		1989
1471	()	1990	()
1472	}	1991	}
1473		1992
1474	sub save {	1993	sub save {
…		…
1519		2038
1520	sub reset_at {	2039	sub reset_at {
1521	my ($self) = @_;	2040	my ($self) = @_;
1522		2041
1523	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1526		2044
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2047
…		…
1534	my ($self) = @_;	2052	my ($self) = @_;
1535		2053
1536	$self->reset_at <= $cf::RUNTIME	2054	$self->reset_at <= $cf::RUNTIME
1537	}	2055	}
1538		2056
1539	sub rename {
1540	my ($self, $new_path) = @_;
1541
1542	normalise $new_path;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = $new_path; $self->path ($self->{path});
1548	$cf::MAP{$self->path} = $self;
1549
1550	$self->save;
1551	}
1552
1553	sub reset {	2057	sub reset {
1554	my ($self) = @_;	2058	my ($self) = @_;
1555		2059
1556	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1557		2061
1558	return if $self->players;	2062	return if $self->players;
1559	return if $self->isa ("ext::map_per_player");#d#
1560		2063
1561	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
		2065
		2066	$self->in_memory (cf::MAP_SWAPPED);
		2067
		2068	# need to save uniques path
		2069	unless ($self->{deny_save}) {
		2070	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2071
		2072	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2073	if $uniq;
		2074	}
1562		2075
1563	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
1564		2077
1565	$self->in_memory (cf::MAP_SWAPPED);
1566	$self->clear;	2078	$self->clear;
1567		2079
1568	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1569		2081
1570	$self->unlink_save;	2082	$self->unlink_save;
…		…
1574	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1575		2087
1576	sub nuke {	2088	sub nuke {
1577	my ($self) = @_;	2089	my ($self) = @_;
1578		2090
		2091	delete $cf::MAP{$self->path};
		2092
		2093	$self->unlink_save;
		2094
		2095	bless $self, "cf::map";
		2096	delete $self->{deny_reset};
1579	$self->{deny_save} = 1;	2097	$self->{deny_save} = 1;
1580	$self->reset_timeout (1);	2098	$self->reset_timeout (1);
1581	$self->rename ("{nuke}/" . ($nuke_counter++));	2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2100
		2101	$cf::MAP{$self->path} = $self;
		2102
1582	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
		2104	}
		2105
		2106	=item $maps = cf::map::tmp_maps
		2107
		2108	Returns an arrayref with all map paths of currently instantiated and saved
		2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
		2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
		2123
		2124	=item $maps = cf::map::random_maps
		2125
		2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
		2128
		2129	=cut
		2130
		2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
1583	}	2140	}
1584		2141
1585	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1586		2143
1587	Returns an arrayref of paths of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1588	instantiated unique items. May block.	2145	instantiated unique items. May block.
1589		2146
1590	=cut	2147	=cut
1591		2148
1592	sub unique_maps() {	2149	sub unique_maps() {
1593	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2150	[
1594	or return;	2151	map {
1595
1596	my @paths;
1597
1598	for (@$files) {
1599	utf8::decode $_;	2152	utf8::decode $_;
1600	next if /\.pst$/;
1601	next unless /^$PATH_SEP/o;
1602
1603	s/\.map$//;	2153	/\.map$/
1604	push @paths, $_;	2154	? normalise $_
		2155	: ()
		2156	} @{ aio_readdir $UNIQUEDIR or [] }
1605	}	2157	]
1606
1607	\@paths
1608	}	2158	}
1609		2159
1610	package cf;	2160	package cf;
1611		2161
1612	=back	2162	=back
…		…
1658		2208
1659	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1660		2210
1661	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1662	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1663	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $diag = $pl->{npc_dialog};
		2219	$diag->{pl}->ext_reply (
		2220	$diag->{id},
		2221	msgtype => "reply",
		2222	msg => $diag->{pl}->expand_cfpod ($msg),
		2223	add_topics => []
		2224	);
		2225
		2226	} else {
1664	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1665	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1666	}	2230	}
1667	}	2231	}
1668		2232
1669	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1670		2234
…		…
1703	=cut	2267	=cut
1704		2268
1705	sub link_map {	2269	sub link_map {
1706	unless ($LINK_MAP) {	2270	unless ($LINK_MAP) {
1707	$LINK_MAP = cf::map::find "{link}"	2271	$LINK_MAP = cf::map::find "{link}"
1708	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2272	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1709	$LINK_MAP->load;	2273	$LINK_MAP->load;
1710	}	2274	}
1711		2275
1712	$LINK_MAP	2276	$LINK_MAP
1713	}	2277	}
…		…
1718	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1719		2283
1720	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1721		2285
1722	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1723	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1724		2288
1725	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1726	}	2290	}
1727		2291
1728	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1729	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1730		2296
1731	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1732		2298
1733	unless ($map) {	2299	unless ($map) {
1734	# restore original map position	2300	# restore original map position
…		…
1752	$map->load;	2318	$map->load;
1753	$map->load_diag;	2319	$map->load_diag;
1754		2320
1755	return unless $self->contr->active;	2321	return unless $self->contr->active;
1756	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1757	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1758	}	2326	}
1759		2327
1760	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1761	on_logout => sub {
1762	my ($pl) = @_;
1763		2329
1764	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1765	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1766	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1767	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1768	};	2334	be called at the end of this process.
1769	}
1770	},
1771	on_login => sub {
1772	my ($pl) = @_;
1773		2335
1774	# try to abort aborted map switching on player login :)
1775	# should happen only on crashes
1776	if ($pl->ob->{_link_pos}) {
1777	$pl->ob->enter_link;
1778	(async {
1779	# we need this sleep as the login has a concurrent enter_exit running
1780	# and this sleep increases chances of the player not ending up in scorn
1781	$pl->ob->reply (undef,
1782	"There was an internal problem at your last logout, "
1783	. "the server will try to bring you to your intended destination in a second.",
1784	cf::NDI_RED);
1785	Coro::Timer::sleep 1;
1786	$pl->ob->leave_link;
1787	})->prio (2);
1788	}
1789	},
1790	);
1791
1792	=item $player_object->goto ($path, $x, $y)
1793
1794	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1795		2339
1796	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1797	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1798		2345
1799	$self->enter_link;	2346	$self->enter_link;
1800		2347
1801	(async {	2348	(async {
		2349	my $map = eval {
1802	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1803	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
1804		2354	$map = $check->($map) if $check && $map;
1805	# warn "entering ", $map->path, " at ($x, $y)\n"	2355	} else {
1806	# if $map;
1807
1808	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
1809		2358
		2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
		2365	}
		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1810	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1811	})->prio (1);	2373	})->prio (1);
1812	}	2374	}
1813		2375
1814	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1815		2377
…		…
1817		2379
1818	sub parse_random_map_params {	2380	sub parse_random_map_params {
1819	my ($spec) = @_;	2381	my ($spec) = @_;
1820		2382
1821	my $rmp = { # defaults	2383	my $rmp = { # defaults
1822	xsize => 10,	2384	xsize => (cf::rndm 15, 40),
1823	ysize => 10,	2385	ysize => (cf::rndm 15, 40),
		2386	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2387	#layout => string,
1824	};	2388	};
1825		2389
1826	for (split /\n/, $spec) {	2390	for (split /\n/, $spec) {
1827	my ($k, $v) = split /\s+/, $_, 2;	2391	my ($k, $v) = split /\s+/, $_, 2;
1828		2392
…		…
1832	$rmp	2396	$rmp
1833	}	2397	}
1834		2398
1835	sub prepare_random_map {	2399	sub prepare_random_map {
1836	my ($exit) = @_;	2400	my ($exit) = @_;
		2401
		2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
1837		2403
1838	# all this does is basically replace the /! path by	2404	# all this does is basically replace the /! path by
1839	# a new random map path (?random/...) with a seed	2405	# a new random map path (?random/...) with a seed
1840	# that depends on the exit object	2406	# that depends on the exit object
1841		2407
1842	my $rmp = parse_random_map_params $exit->msg;	2408	my $rmp = parse_random_map_params $exit->msg;
1843		2409
1844	if ($exit->map) {	2410	if ($exit->map) {
1845	$rmp->{region} = $exit->map->region_name;	2411	$rmp->{region} = $exit->region->name;
1846	$rmp->{origin_map} = $exit->map->path;	2412	$rmp->{origin_map} = $exit->map->path;
1847	$rmp->{origin_x} = $exit->x;	2413	$rmp->{origin_x} = $exit->x;
1848	$rmp->{origin_y} = $exit->y;	2414	$rmp->{origin_y} = $exit->y;
1849	}	2415	}
1850		2416
1851	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1852		2418
1853	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1854	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
		2421	my $meta = "$RANDOMDIR/$md5.meta";
1855		2422
1856	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
		2425	undef $fh;
		2426	aio_rename "$meta~", $meta;
1858		2427
1859	$exit->slaying ("?random/$md5");	2428	$exit->slaying ("?random/$md5");
1860	$exit->msg (undef);	2429	$exit->msg (undef);
1861	}	2430	}
1862	}	2431	}
…		…
1864	sub cf::object::player::enter_exit {	2433	sub cf::object::player::enter_exit {
1865	my ($self, $exit) = @_;	2434	my ($self, $exit) = @_;
1866		2435
1867	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1868		2437
		2438	if ($exit->slaying eq "/!") {
		2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
		2442	cf::sync_job { prepare_random_map $exit };
		2443	}
		2444
		2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2446	my $hp = $exit->stats->hp;
		2447	my $sp = $exit->stats->sp;
		2448
1869	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1870		2454
1871	(async {	2455	(async {
1872	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1873	unless (eval {	2457	unless (eval {
1874	prepare_random_map $exit	2458	$self->goto ($slaying, $hp, $sp);
1875	if $exit->slaying eq "/!";
1876
1877	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1878	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1879		2459
1880	1;	2460	1;
1881	}) {	2461	}) {
1882	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1883	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1884	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1885	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1886		2466
1887	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1888	$self->leave_link;	2468	$self->leave_link;
1889	}	2469	}
1890	})->prio (1);	2470	})->prio (1);
…		…
1903		2483
1904	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1905	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1906		2486
1907	utf8::encode $text;	2487	utf8::encode $text;
1908	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1909	}	2489	}
1910		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= ~cf::NDI_UNIQUE; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_event (channel_info => %$channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2521	} else {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	if ($color >= 0) {
		2533	if (0 && $msg =~ /\[/) {
		2534	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2535	} else {
		2536	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2537	$self->send_packet ("drawinfo $color $msg")
		2538	}
		2539	}
		2540	}
		2541	}
		2542
		2543	=item $client->ext_event ($type, %msg)
		2544
		2545	Sends an ext event to the client.
		2546
		2547	=cut
		2548
		2549	sub cf::client::ext_event($$%) {
		2550	my ($self, $type, %msg) = @_;
		2551
		2552	return unless $self->extcmd;
		2553
		2554	$msg{msgtype} = "event_$type";
		2555	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2556	}
1911		2557
1912	=item $success = $client->query ($flags, "text", \&cb)	2558	=item $success = $client->query ($flags, "text", \&cb)
1913		2559
1914	Queues a query to the client, calling the given callback with	2560	Queues a query to the client, calling the given callback with
1915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2561	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2562	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1917		2563
1918	Queries can fail, so check the return code. Or don't, as queries will become	2564	Queries can fail, so check the return code. Or don't, as queries will
1919	reliable at some point in the future.	2565	become reliable at some point in the future.
1920		2566
1921	=cut	2567	=cut
1922		2568
1923	sub cf::client::query {	2569	sub cf::client::query {
1924	my ($self, $flags, $text, $cb) = @_;	2570	my ($self, $flags, $text, $cb) = @_;
…		…
1932	utf8::encode $text;	2578	utf8::encode $text;
1933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2579	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1934		2580
1935	$self->send_packet ($self->{query_queue}[0][0])	2581	$self->send_packet ($self->{query_queue}[0][0])
1936	if @{ $self->{query_queue} } == 1;	2582	if @{ $self->{query_queue} } == 1;
		2583
		2584	1
1937	}	2585	}
1938		2586
1939	cf::client->attach (	2587	cf::client->attach (
		2588	on_connect => sub {
		2589	my ($ns) = @_;
		2590
		2591	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2592	},
1940	on_reply => sub {	2593	on_reply => sub {
1941	my ($ns, $msg) = @_;	2594	my ($ns, $msg) = @_;
1942		2595
1943	# this weird shuffling is so that direct followup queries	2596	# this weird shuffling is so that direct followup queries
1944	# get handled first	2597	# get handled first
1945	my $queue = delete $ns->{query_queue}	2598	my $queue = delete $ns->{query_queue}
1946	or return; # be conservative, not sure how that can happen, but we saw a crash here	2599	or return; # be conservative, not sure how that can happen, but we saw a crash here
1947		2600
1948	(shift @$queue)->[1]->($msg);	2601	(shift @$queue)->[1]->($msg);
		2602	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1949		2603
1950	push @{ $ns->{query_queue} }, @$queue;	2604	push @{ $ns->{query_queue} }, @$queue;
1951		2605
1952	if (@{ $ns->{query_queue} } == @$queue) {	2606	if (@{ $ns->{query_queue} } == @$queue) {
1953	if (@$queue) {	2607	if (@$queue) {
…		…
1955	} else {	2609	} else {
1956	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2610	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1957	}	2611	}
1958	}	2612	}
1959	},	2613	},
		2614	on_exticmd => sub {
		2615	my ($ns, $buf) = @_;
		2616
		2617	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2618
		2619	if (ref $msg) {
		2620	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2621	if (my %reply = $cb->($ns, $msg)) {
		2622	$reply{msgid} = $msg->{msgid};
		2623	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2624	}
		2625	}
		2626	} else {
		2627	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2628	}
		2629
		2630	cf::override;
		2631	},
1960	);	2632	);
1961		2633
1962	=item $client->async (\&cb)	2634	=item $client->async (\&cb)
1963		2635
1964	Create a new coroutine, running the specified callback. The coroutine will	2636	Create a new coroutine, running the specified callback. The coroutine will
…		…
2011		2683
2012	# here we export the classes and methods available to script code	2684	# here we export the classes and methods available to script code
2013		2685
2014	=pod	2686	=pod
2015		2687
2016	The following fucntions and emthods are available within a safe environment:	2688	The following functions and methods are available within a safe environment:
2017		2689
2018	cf::object contr pay_amount pay_player map	2690	cf::object
		2691	contr pay_amount pay_player map x y force_find force_add
		2692	insert remove
		2693
2019	cf::object::player player	2694	cf::object::player
2020	cf::player peaceful	2695	player
2021	cf::map trigger	2696
		2697	cf::player
		2698	peaceful
		2699
		2700	cf::map
		2701	trigger
2022		2702
2023	=cut	2703	=cut
2024		2704
2025	for (	2705	for (
2026	["cf::object" => qw(contr pay_amount pay_player map)],	2706	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2707	insert remove)],
2027	["cf::object::player" => qw(player)],	2708	["cf::object::player" => qw(player)],
2028	["cf::player" => qw(peaceful)],	2709	["cf::player" => qw(peaceful)],
2029	["cf::map" => qw(trigger)],	2710	["cf::map" => qw(trigger)],
2030	) {	2711	) {
2031	no strict 'refs';	2712	no strict 'refs';
…		…
2102	=back	2783	=back
2103		2784
2104	=cut	2785	=cut
2105		2786
2106	#############################################################################	2787	#############################################################################
		2788	# the server's init and main functions
2107		2789
2108	=head2 EXTENSION DATABASE SUPPORT	2790	sub load_facedata($) {
		2791	my ($path) = @_;
2109		2792
2110	Crossfire maintains a very simple database for extension use. It can	2793	warn "loading facedata from $path\n";
2111	currently store anything that can be serialised using Storable, which
2112	excludes objects.
2113		2794
2114	The parameter C<$family> should best start with the name of the extension	2795	my $facedata;
2115	using it, it should be unique.	2796	0 < aio_load $path, $facedata
		2797	or die "$path: $!";
2116		2798
2117	=over 4	2799	$facedata = Coro::Storable::thaw $facedata;
2118		2800
2119	=item $hashref = cf::db_get $family	2801	$facedata->{version} == 2
		2802	or cf::cleanup "$path: version mismatch, cannot proceed.";
2120		2803
2121	Return a hashref for use by the extension C<$family>, which can be
2122	modified. After modifications, you have to call C<cf::db_dirty> or
2123	C<cf::db_sync>.
2124
2125	=item $value = cf::db_get $family => $key
2126
2127	Returns a single value from the database
2128
2129	=item cf::db_put $family => $hashref
2130
2131	Stores the given family hashref into the database. Updates are delayed, if
2132	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2133
2134	=item cf::db_put $family => $key => $value
2135
2136	Stores the given C<$value> in the family hash. Updates are delayed, if you
2137	want the data to be synced to disk immediately, use C<cf::db_sync>.
2138
2139	=item cf::db_dirty
2140
2141	Marks the database as dirty, to be updated at a later time.
2142
2143	=item cf::db_sync
2144
2145	Immediately write the database to disk I<if it is dirty>.
2146
2147	=cut
2148
2149	our $DB;
2150
2151	{
2152	my $path = cf::localdir . "/database.pst";
2153
2154	sub db_load() {
2155	$DB = stat $path ? Storable::retrieve $path : { };
2156	}	2804	{
		2805	my $faces = $facedata->{faceinfo};
2157		2806
2158	my $pid;	2807	while (my ($face, $info) = each %$faces) {
		2808	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2809	cf::face::set_visibility $idx, $info->{visibility};
		2810	cf::face::set_magicmap $idx, $info->{magicmap};
		2811	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2812	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2159		2813
2160	sub db_save() {	2814	cf::cede_to_tick;
2161	waitpid $pid, 0 if $pid;
2162	if (0 == ($pid = fork)) {
2163	$DB->{_meta}{version} = 1;
2164	Storable::nstore $DB, "$path~";
2165	rename "$path~", $path;
2166	cf::_exit 0 if defined $pid;
2167	}
2168	}
2169
2170	my $dirty;
2171
2172	sub db_sync() {
2173	db_save if $dirty;
2174	undef $dirty;
2175	}
2176
2177	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2178	db_sync;
2179	});
2180
2181	sub db_dirty() {
2182	$dirty = 1;
2183	$idle->start;
2184	}
2185
2186	sub db_get($;$) {
2187	@_ >= 2
2188	? $DB->{$_[0]}{$_[1]}
2189	: ($DB->{$_[0]} ||= { })
2190	}
2191
2192	sub db_put($$;$) {
2193	if (@_ >= 3) {
2194	$DB->{$_[0]}{$_[1]} = $_[2];
2195	} else {
2196	$DB->{$_[0]} = $_[1];
2197	}
2198	db_dirty;
2199	}
2200
2201	cf::global->attach (
2202	prio => 10000,
2203	on_cleanup => sub {
2204	db_sync;
2205	},	2815	}
2206	);
2207	}
2208		2816
2209	#############################################################################	2817	while (my ($face, $info) = each %$faces) {
2210	# the server's main()	2818	next unless $info->{smooth};
		2819	my $idx = cf::face::find $face
		2820	or next;
		2821	if (my $smooth = cf::face::find $info->{smooth}) {
		2822	cf::face::set_smooth $idx, $smooth;
		2823	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2824	} else {
		2825	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2826	}
		2827
		2828	cf::cede_to_tick;
		2829	}
		2830	}
		2831
		2832	{
		2833	my $anims = $facedata->{animinfo};
		2834
		2835	while (my ($anim, $info) = each %$anims) {
		2836	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2837	cf::cede_to_tick;
		2838	}
		2839
		2840	cf::anim::invalidate_all; # d'oh
		2841	}
		2842
		2843	{
		2844	# TODO: for gcfclient pleasure, we should give resources
		2845	# that gcfclient doesn't grok a >10000 face index.
		2846	my $res = $facedata->{resource};
		2847	my $enc = JSON::XS->new->utf8->canonical;
		2848
		2849	while (my ($name, $info) = each %$res) {
		2850	my $meta = $enc->encode ({
		2851	name => $name,
		2852	type => $info->{type},
		2853	copyright => $info->{copyright}, #TODO#
		2854	});
		2855
		2856	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2857
		2858	if ($name =~ /\.jpg$/) {
		2859	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2860	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2861	} else {
		2862	my $data = pack "(w/a*)*", $meta, $info->{data};
		2863	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2864
		2865	cf::face::set_type $idx, 1;
		2866	cf::face::set_data $idx, 0, $data, $chk;
		2867	}
		2868
		2869	cf::cede_to_tick;
		2870	}
		2871	}
		2872
		2873	1
		2874	}
		2875
		2876	sub reload_regions {
		2877	load_resource_file "$MAPDIR/regions"
		2878	or die "unable to load regions file\n";
		2879
		2880	for (cf::region::list) {
		2881	$_->{match} = qr/$_->{match}/
		2882	if exists $_->{match};
		2883	}
		2884	}
		2885
		2886	sub reload_facedata {
		2887	load_facedata "$DATADIR/facedata"
		2888	or die "unable to load facedata\n";
		2889	}
		2890
		2891	sub reload_archetypes {
		2892	load_resource_file "$DATADIR/archetypes"
		2893	or die "unable to load archetypes\n";
		2894	#d# NEED to laod twice to resolve forward references
		2895	# this really needs to be done in an extra post-pass
		2896	# (which needs to be synchronous, so solve it differently)
		2897	load_resource_file "$DATADIR/archetypes"
		2898	or die "unable to load archetypes\n";
		2899	}
		2900
		2901	sub reload_treasures {
		2902	load_resource_file "$DATADIR/treasures"
		2903	or die "unable to load treasurelists\n";
		2904	}
		2905
		2906	sub reload_resources {
		2907	warn "reloading resource files...\n";
		2908
		2909	reload_regions;
		2910	reload_facedata;
		2911	#reload_archetypes;#d#
		2912	reload_archetypes;
		2913	reload_treasures;
		2914
		2915	warn "finished reloading resource files\n";
		2916	}
		2917
		2918	sub init {
		2919	reload_resources;
		2920	}
2211		2921
2212	sub cfg_load {	2922	sub cfg_load {
2213	open my $fh, "<:utf8", cf::confdir . "/config"	2923	open my $fh, "<:utf8", "$CONFDIR/config"
2214	or return;	2924	or return;
2215		2925
2216	local $/;	2926	local $/;
2217	*CFG = YAML::Syck::Load <$fh>;	2927	*CFG = YAML::Syck::Load <$fh>;
2218		2928
…		…
2232		2942
2233	sub main {	2943	sub main {
2234	# we must not ever block the main coroutine	2944	# we must not ever block the main coroutine
2235	local $Coro::idle = sub {	2945	local $Coro::idle = sub {
2236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2946	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2947	(async {
2237	async { Event::one_event };	2948	Event::one_event;
		2949	})->prio (Coro::PRIO_MAX);
2238	};	2950	};
2239		2951
2240	cfg_load;	2952	cfg_load;
2241	db_load;	2953	db_init;
2242	load_extensions;	2954	load_extensions;
		2955
		2956	$TICK_WATCHER->start;
2243	Event::loop;	2957	Event::loop;
2244	}	2958	}
2245		2959
2246	#############################################################################	2960	#############################################################################
2247	# initialisation and cleanup	2961	# initialisation and cleanup
2248		2962
2249	# install some emergency cleanup handlers	2963	# install some emergency cleanup handlers
2250	BEGIN {	2964	BEGIN {
2251	for my $signal (qw(INT HUP TERM)) {	2965	for my $signal (qw(INT HUP TERM)) {
2252	Event->signal (	2966	Event->signal (
		2967	reentrant => 0,
2253	data => WF_AUTOCANCEL,	2968	data => WF_AUTOCANCEL,
2254	signal => $signal,	2969	signal => $signal,
		2970	prio => 0,
2255	cb => sub {	2971	cb => sub {
2256	cf::cleanup "SIG$signal";	2972	cf::cleanup "SIG$signal";
2257	},	2973	},
2258	);	2974	);
2259	}	2975	}
		2976	}
		2977
		2978	sub write_runtime {
		2979	my $runtime = "$LOCALDIR/runtime";
		2980
		2981	# first touch the runtime file to show we are still running:
		2982	# the fsync below can take a very very long time.
		2983
		2984	IO::AIO::aio_utime $runtime, undef, undef;
		2985
		2986	my $guard = cf::lock_acquire "write_runtime";
		2987
		2988	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2989	or return;
		2990
		2991	my $value = $cf::RUNTIME + 90 + 10;
		2992	# 10 is the runtime save interval, for a monotonic clock
		2993	# 60 allows for the watchdog to kill the server.
		2994
		2995	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2996	and return;
		2997
		2998	# always fsync - this file is important
		2999	aio_fsync $fh
		3000	and return;
		3001
		3002	# touch it again to show we are up-to-date
		3003	aio_utime $fh, undef, undef;
		3004
		3005	close $fh
		3006	or return;
		3007
		3008	aio_rename "$runtime~", $runtime
		3009	and return;
		3010
		3011	warn "runtime file written.\n";
		3012
		3013	1
2260	}	3014	}
2261		3015
2262	sub emergency_save() {	3016	sub emergency_save() {
2263	my $freeze_guard = cf::freeze_mainloop;	3017	my $freeze_guard = cf::freeze_mainloop;
2264		3018
…		…
2281	my $map = $cf::MAP{$path} or next;	3035	my $map = $cf::MAP{$path} or next;
2282	$map->valid or next;	3036	$map->valid or next;
2283	$map->save;	3037	$map->save;
2284	}	3038	}
2285	warn "end emergency map save\n";	3039	warn "end emergency map save\n";
		3040
		3041	warn "begin emergency database checkpoint\n";
		3042	BDB::db_env_txn_checkpoint $DB_ENV;
		3043	warn "end emergency database checkpoint\n";
2286	};	3044	};
2287		3045
2288	warn "leave emergency perl save\n";	3046	warn "leave emergency perl save\n";
2289	}	3047	}
2290		3048
		3049	sub post_cleanup {
		3050	my ($make_core) = @_;
		3051
		3052	warn Carp::longmess "post_cleanup backtrace"
		3053	if $make_core;
		3054	}
		3055
2291	sub reload() {	3056	sub do_reload_perl() {
2292	# can/must only be called in main	3057	# can/must only be called in main
2293	if ($Coro::current != $Coro::main) {	3058	if ($Coro::current != $Coro::main) {
2294	warn "can only reload from main coroutine\n";	3059	warn "can only reload from main coroutine";
2295	return;	3060	return;
2296	}	3061	}
2297		3062
2298	warn "reloading...";	3063	warn "reloading...";
2299		3064
2300	warn "freezing server";	3065	warn "entering sync_job";
2301	my $guard = freeze_mainloop;	3066
		3067	cf::sync_job {
		3068	cf::write_runtime; # external watchdog should not bark
2302	cf::emergency_save;	3069	cf::emergency_save;
		3070	cf::write_runtime; # external watchdog should not bark
2303		3071
2304	warn "sync database to disk";	3072	warn "syncing database to disk";
2305	cf::db_sync;	3073	BDB::db_env_txn_checkpoint $DB_ENV;
2306	IO::AIO::flush;
2307		3074
2308	eval {
2309	# if anything goes wrong in here, we should simply crash as we already saved	3075	# if anything goes wrong in here, we should simply crash as we already saved
2310		3076
2311	warn "cancel all watchers";	3077	warn "cancelling all WF_AUTOCANCEL watchers";
2312	for (Event::all_watchers) {	3078	for (Event::all_watchers) {
2313	$_->cancel if $_->data & WF_AUTOCANCEL;	3079	$_->cancel if $_->data & WF_AUTOCANCEL;
2314	}	3080	}
2315		3081
		3082	warn "flushing outstanding aio requests";
		3083	for (;;) {
		3084	BDB::flush;
		3085	IO::AIO::flush;
		3086	Coro::cede;
		3087	last unless IO::AIO::nreqs || BDB::nreqs;
		3088	warn "iterate...";
		3089	}
		3090
		3091	++$RELOAD;
		3092
2316	warn "cancel all extension coros";	3093	warn "cancelling all extension coros";
2317	$_->cancel for values %EXT_CORO;	3094	$_->cancel for values %EXT_CORO;
2318	%EXT_CORO = ();	3095	%EXT_CORO = ();
2319		3096
2320	warn "remove commands";	3097	warn "removing commands";
2321	%COMMAND = ();	3098	%COMMAND = ();
2322		3099
2323	warn "remove ext commands";	3100	warn "removing ext/exti commands";
2324	%EXTCMD = ();	3101	%EXTCMD = ();
		3102	%EXTICMD = ();
2325		3103
2326	warn "unload/nuke all extensions";	3104	warn "unloading/nuking all extensions";
2327	for my $pkg (@EXTS) {	3105	for my $pkg (@EXTS) {
2328	warn "... unloading $pkg";	3106	warn "... unloading $pkg";
2329		3107
2330	if (my $cb = $pkg->can ("unload")) {	3108	if (my $cb = $pkg->can ("unload")) {
2331	eval {	3109	eval {
…		…
2336		3114
2337	warn "... nuking $pkg";	3115	warn "... nuking $pkg";
2338	Symbol::delete_package $pkg;	3116	Symbol::delete_package $pkg;
2339	}	3117	}
2340		3118
2341	warn "unload all perl modules loaded from $LIBDIR";	3119	warn "unloading all perl modules loaded from $LIBDIR";
2342	while (my ($k, $v) = each %INC) {	3120	while (my ($k, $v) = each %INC) {
2343	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3121	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2344		3122
2345	warn "removing <$k>";	3123	warn "... unloading $k";
2346	delete $INC{$k};	3124	delete $INC{$k};
2347		3125
2348	$k =~ s/\.pm$//;	3126	$k =~ s/\.pm$//;
2349	$k =~ s/\//::/g;	3127	$k =~ s/\//::/g;
2350		3128
…		…
2353	}	3131	}
2354		3132
2355	Symbol::delete_package $k;	3133	Symbol::delete_package $k;
2356	}	3134	}
2357		3135
2358	warn "get rid of safe::, as good as possible";	3136	warn "getting rid of safe::, as good as possible";
2359	Symbol::delete_package "safe::$_"	3137	Symbol::delete_package "safe::$_"
2360	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3138	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2361		3139
2362	warn "unload cf.pm \"a bit\"";	3140	warn "unloading cf.pm \"a bit\"";
2363	delete $INC{"cf.pm"};	3141	delete $INC{"cf.pm"};
		3142	delete $INC{"cf/pod.pm"};
2364		3143
2365	# don't, removes xs symbols, too,	3144	# don't, removes xs symbols, too,
2366	# and global variables created in xs	3145	# and global variables created in xs
2367	#Symbol::delete_package __PACKAGE__;	3146	#Symbol::delete_package __PACKAGE__;
2368		3147
		3148	warn "unload completed, starting to reload now";
		3149
2369	warn "reloading cf.pm";	3150	warn "reloading cf.pm";
2370	require cf;	3151	require cf;
2371	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3152	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2372		3153
2373	warn "load config and database again";	3154	warn "loading config and database again";
2374	cf::cfg_load;	3155	cf::cfg_load;
2375	cf::db_load;
2376		3156
2377	warn "load extensions";	3157	warn "loading extensions";
2378	cf::load_extensions;	3158	cf::load_extensions;
2379		3159
2380	warn "reattach attachments to objects/players";	3160	warn "reattaching attachments to objects/players";
2381	_global_reattach;	3161	_global_reattach; # objects, sockets
2382	warn "reattach attachments to maps";	3162	warn "reattaching attachments to maps";
2383	reattach $_ for values %MAP;	3163	reattach $_ for values %MAP;
2384	};	3164	warn "reattaching attachments to players";
		3165	reattach $_ for values %PLAYER;
2385		3166
2386	if ($@) {	3167	warn "leaving sync_job";
		3168
		3169	1
		3170	} or do {
2387	warn $@;	3171	warn $@;
2388	warn "error while reloading, exiting.";	3172	warn "error while reloading, exiting.";
2389	exit 1;	3173	exit 1;
2390	}	3174	};
2391		3175
2392	warn "reloaded";	3176	warn "reloaded";
2393	};	3177	};
2394		3178
		3179	our $RELOAD_WATCHER; # used only during reload
		3180
		3181	sub reload_perl() {
		3182	# doing reload synchronously and two reloads happen back-to-back,
		3183	# coro crashes during coro_state_free->destroy here.
		3184
		3185	$RELOAD_WATCHER ||= Event->timer (
		3186	reentrant => 0,
		3187	after => 0,
		3188	data => WF_AUTOCANCEL,
		3189	cb => sub {
		3190	do_reload_perl;
		3191	undef $RELOAD_WATCHER;
		3192	},
		3193	);
		3194	}
		3195
2395	register_command "reload" => sub {	3196	register_command "reload" => sub {
2396	my ($who, $arg) = @_;	3197	my ($who, $arg) = @_;
2397		3198
2398	if ($who->flag (FLAG_WIZ)) {	3199	if ($who->flag (FLAG_WIZ)) {
2399	$who->message ("start of reload.");
2400	reload;
2401	$who->message ("end of reload.");	3200	$who->message ("reloading server.");
		3201	async { reload_perl };
2402	}	3202	}
2403	};	3203	};
2404		3204
2405	unshift @INC, $LIBDIR;	3205	unshift @INC, $LIBDIR;
2406		3206
		3207	my $bug_warning = 0;
		3208
		3209	our @WAIT_FOR_TICK;
		3210	our @WAIT_FOR_TICK_BEGIN;
		3211
		3212	sub wait_for_tick {
		3213	return unless $TICK_WATCHER->is_active;
		3214	return if $Coro::current == $Coro::main;
		3215
		3216	my $signal = new Coro::Signal;
		3217	push @WAIT_FOR_TICK, $signal;
		3218	$signal->wait;
		3219	}
		3220
		3221	sub wait_for_tick_begin {
		3222	return unless $TICK_WATCHER->is_active;
		3223	return if $Coro::current == $Coro::main;
		3224
		3225	my $signal = new Coro::Signal;
		3226	push @WAIT_FOR_TICK_BEGIN, $signal;
		3227	$signal->wait;
		3228	}
		3229
		3230	my $min = 1e6;#d#
		3231	my $avg = 10;
2407	$TICK_WATCHER = Event->timer (	3232	$TICK_WATCHER = Event->timer (
2408	reentrant => 0,	3233	reentrant => 0,
		3234	parked => 1,
2409	prio => 0,	3235	prio => 0,
2410	at => $NEXT_TICK || $TICK,	3236	at => $NEXT_TICK || $TICK,
2411	data => WF_AUTOCANCEL,	3237	data => WF_AUTOCANCEL,
2412	cb => sub {	3238	cb => sub {
		3239	if ($Coro::current != $Coro::main) {
		3240	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3241	unless ++$bug_warning > 10;
		3242	return;
		3243	}
		3244
2413	$NOW = Event::time;	3245	$NOW = $tick_start = Event::time;
2414		3246
2415	cf::server_tick; # one server iteration	3247	cf::server_tick; # one server iteration
		3248
		3249	0 && sync_job {#d#
		3250	for(1..10) {
		3251	my $t = Event::time;
		3252	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3253	or die;
		3254
		3255	$map->width (50);
		3256	$map->height (50);
		3257	$map->alloc;
		3258	$map->_load_objects ("/tmp/x.map", 1);
		3259	my $t = Event::time - $t;
		3260
		3261	#next unless $t < 0.0013;#d#
		3262	if ($t < $min) {
		3263	$min = $t;
		3264	}
		3265	$avg = $avg * 0.99 + $t * 0.01;
		3266	}
		3267	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3268	exit 0;
		3269	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3270	};
		3271
2416	$RUNTIME += $TICK;	3272	$RUNTIME += $TICK;
2417	$NEXT_TICK += $TICK;	3273	$NEXT_TICK += $TICK;
2418		3274
2419	$WAIT_FOR_TICK->broadcast;	3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2420	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3276	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3277	Coro::async_pool {
		3278	write_runtime
		3279	or warn "ERROR: unable to write runtime file: $!";
		3280	};
		3281	}
		3282
		3283	# my $AFTER = Event::time;
		3284	# warn $AFTER - $NOW;#d#
		3285
		3286	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3287	$sig->send;
		3288	}
		3289	while (my $sig = shift @WAIT_FOR_TICK) {
		3290	$sig->send;
		3291	}
		3292
		3293	$NOW = Event::time;
2421		3294
2422	# if we are delayed by four ticks or more, skip them all	3295	# if we are delayed by four ticks or more, skip them all
2423	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2424		3297
2425	$TICK_WATCHER->at ($NEXT_TICK);	3298	$TICK_WATCHER->at ($NEXT_TICK);
2426	$TICK_WATCHER->start;	3299	$TICK_WATCHER->start;
		3300
		3301	$LOAD = ($NOW - $tick_start) / $TICK;
		3302	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3303
		3304	_post_tick;
		3305
		3306
2427	},	3307	},
2428	);	3308	);
2429		3309
		3310	{
		3311	BDB::max_poll_time $TICK * 0.1;
		3312	$BDB_POLL_WATCHER = Event->io (
		3313	reentrant => 0,
		3314	fd => BDB::poll_fileno,
		3315	poll => 'r',
		3316	prio => 0,
		3317	data => WF_AUTOCANCEL,
		3318	cb => \&BDB::poll_cb,
		3319	);
		3320	BDB::min_parallel 8;
		3321
		3322	BDB::set_sync_prepare {
		3323	my $status;
		3324	my $current = $Coro::current;
		3325	(
		3326	sub {
		3327	$status = $!;
		3328	$current->ready; undef $current;
		3329	},
		3330	sub {
		3331	Coro::schedule while defined $current;
		3332	$! = $status;
		3333	},
		3334	)
		3335	};
		3336
		3337	unless ($DB_ENV) {
		3338	$DB_ENV = BDB::db_env_create;
		3339
		3340	cf::sync_job {
		3341	eval {
		3342	BDB::db_env_open
		3343	$DB_ENV,
		3344	$BDBDIR,
		3345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3347	0666;
		3348
		3349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3350
		3351	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3352	$DB_ENV->set_lk_detect;
		3353	};
		3354
		3355	cf::cleanup "db_env_open(db): $@" if $@;
		3356	};
		3357	}
		3358	}
		3359
		3360	{
		3361	IO::AIO::min_parallel 8;
		3362
		3363	undef $Coro::AIO::WATCHER;
2430	IO::AIO::max_poll_time $TICK * 0.2;	3364	IO::AIO::max_poll_time $TICK * 0.1;
2431
2432	$AIO_POLL_WATCHER = Event->io (	3365	$AIO_POLL_WATCHER = Event->io (
2433	fd => IO::AIO::poll_fileno,	3366	reentrant => 0,
2434	poll => 'r',
2435	prio => 5,
2436	data => WF_AUTOCANCEL,
2437	cb => \&IO::AIO::poll_cb,
2438	);
2439
2440	$WRITE_RUNTIME_WATCHER = Event->timer (
2441	data => WF_AUTOCANCEL,	3367	data => WF_AUTOCANCEL,
2442	after => 0,	3368	fd => IO::AIO::poll_fileno,
2443	interval => 10,	3369	poll => 'r',
2444	cb => sub {	3370	prio => 6,
2445	(Coro::unblock_sub {	3371	cb => \&IO::AIO::poll_cb,
2446	write_runtime	3372	);
2447	or warn "ERROR: unable to write runtime file: $!";	3373	}
		3374
		3375	my $_log_backtrace;
		3376
		3377	sub _log_backtrace {
		3378	my ($msg, @addr) = @_;
		3379
		3380	$msg =~ s/\n//;
		3381
		3382	# limit the # of concurrent backtraces
		3383	if ($_log_backtrace < 2) {
		3384	++$_log_backtrace;
		3385	async {
		3386	my @bt = fork_call {
		3387	@addr = map { sprintf "%x", $_ } @addr;
		3388	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3389	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3390	or die "addr2line: $!";
		3391
		3392	my @funcs;
		3393	my @res = <$fh>;
		3394	chomp for @res;
		3395	while (@res) {
		3396	my ($func, $line) = splice @res, 0, 2, ();
		3397	push @funcs, "[$func] $line";
		3398	}
		3399
		3400	@funcs
		3401	};
		3402
		3403	LOG llevInfo, "[ABT] $msg\n";
		3404	LOG llevInfo, "[ABT] $_\n" for @bt;
		3405	--$_log_backtrace;
2448	})->();	3406	};
		3407	} else {
		3408	LOG llevInfo, "[ABT] $msg\n";
		3409	LOG llevInfo, "[ABT] [suppressed]\n";
2449	},	3410	}
2450	);	3411	}
		3412
		3413	# load additional modules
		3414	use cf::pod;
2451		3415
2452	END { cf::emergency_save }	3416	END { cf::emergency_save }
2453		3417
2454	1	3418	1
2455		3419

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