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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.232 by root, Wed Apr 4 02:07:19 2007 UTC vs.
Revision 1.320 by root, Tue Jul 24 22:49:40 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.61 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
21		24
		25	use JSON::XS 1.4 ();
22	use BDB ();	26	use BDB ();
23	use Data::Dumper;	27	use Data::Dumper;
24	use Digest::MD5;	28	use Digest::MD5;
25	use Fcntl;	29	use Fcntl;
26	use YAML::Syck ();	30	use YAML::Syck ();
27	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
28	use Time::HiRes;	32	use Time::HiRes;
29	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
30		35
31	# configure various modules to our taste	36	# configure various modules to our taste
32	#	37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		41
36	$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
37		43
…		…
45	our %COMMAND = ();	51	our %COMMAND = ();
46	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
47		53
48	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
52		59
53	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
54	our @EVENT;	61	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		62
57	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(!)
58	our $TICK_WATCHER;	76	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	79	our $NEXT_TICK;
62	our $NOW;	80	our $NOW;
…		…
71	our $RUNTIME;	89	our $RUNTIME;
72		90
73	our %PLAYER; # all users	91	our %PLAYER; # all users
74	our %MAP; # all maps	92	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		94
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $tick_start; # for load detecting purposes
		101
85	binmode STDOUT;	102	binmode STDOUT;
86	binmode STDERR;	103	binmode STDERR;
87		104
88	# read virtual server time, if available	105	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
93	}	110	}
94		111
95	mkdir cf::localdir;	112	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		114
102	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
103		116
104	sub cf::map::normalise;	117	sub cf::map::normalise;
105		118
…		…
116	=item $cf::RUNTIME	129	=item $cf::RUNTIME
117		130
118	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
119	every server tick.	132	every server tick.
120		133
121	=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
122		137
123	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		142
126	=item $cf::NOW	143	=item $cf::NOW
127		144
128	The time of the last (current) server tick.	145	The time of the last (current) server tick.
129		146
130	=item $cf::TICK	147	=item $cf::TICK
131		148
132	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.
133		160
134	=item %cf::CFG	161	=item %cf::CFG
135		162
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	164	from wherever your confdir points to.
138		165
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		167
141	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
142	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
143	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.
144	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.
145		177
146	=back	178	=back
147		179
148	=cut	180	=cut
149		181
150	BEGIN {	182	BEGIN {
151	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	184	my $msg = join "", @_;
153	utf8::encode $msg;
154		185
155	$msg .= "\n"	186	$msg .= "\n"
156	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
157		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
158	LOG llevError, $msg;	192	LOG llevError, $msg;
159	};	193	};
160	}	194	}
161		195
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		203
169	# 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
170	# within the Safe compartment.	205	# within the Safe compartment.
171	for my $pkg (qw(	206	for my $pkg (qw(
172	cf::global cf::attachable	207	cf::global cf::attachable
…		…
180	}	215	}
181		216
182	$Event::DIED = sub {	217	$Event::DIED = sub {
183	warn "error in event callback: @_";	218	warn "error in event callback: @_";
184	};	219	};
		220
		221	#############################################################################
185		222
186	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
187		224
188	=over 4	225	=over 4
189		226
…		…
208	$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;
209	$d	246	$d
210	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
211	}	248	}
212		249
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
216		251
217	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
218		253
219	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
220		255
221	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
		257
		258	=cut
		259
		260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		261
		262	sub to_json ($) { $json_coder->encode ($_[0]) }
		263	sub from_json ($) { $json_coder->decode ($_[0]) }
222		264
223	=item cf::lock_wait $string	265	=item cf::lock_wait $string
224		266
225	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
226		268
…		…
232	returned.	274	returned.
233		275
234	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
235	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
236		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
237	=cut	283	=cut
238		284
239	our %LOCK;	285	our %LOCK;
240		286
241	sub lock_wait($) {	287	sub lock_wait($) {
…		…
258		304
259	Coro::guard {	305	Coro::guard {
260	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
262	}	308	}
		309	}
		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
263	}	315	}
264		316
265	sub freeze_mainloop {	317	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
267		319
…		…
270	};	322	};
271	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
272	$guard	324	$guard
273	}	325	}
274		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		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<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
		381	}
		382
275	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
276		384
277	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	386	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279	thing you are allowed to do is call C<prio> on it.	387	thing you are allowed to do is call C<prio> on it.
…		…
282		390
283	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
284		392
285	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
286		394
287	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
290		399
291	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
294	fast or be very important.	403	fast or be very important.
…		…
297		406
298	sub sync_job(&) {	407	sub sync_job(&) {
299	my ($job) = @_;	408	my ($job) = @_;
300		409
301	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
302	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
304		415
305	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
317		428
318	while ($busy) {	429	while ($busy) {
319	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
320	}	431	}
321		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
322	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
323	} else {	441	} else {
324	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
325		443
326	$job->()	444	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
346		464
347	$coro	465	$coro
348	}	466	}
349		467
350	sub write_runtime {	468	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		469
353	my $runtime = cf::localdir . "/runtime";	470	Executes the given code block with the given arguments in a seperate
		471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
354		474
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	475	=cut
356	or return;
357		476
358	my $value = $cf::RUNTIME + 90 + 10;	477	sub _store_scalar {
359	# 10 is the runtime save interval, for a monotonic clock	478	open my $fh, ">", \my $buf
360	# 60 allows for the watchdog to kill the server.	479	or die "fork_call: cannot open fh-to-buf in child : $!";
361		480	Storable::store_fd $_[0], $fh;
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
363	and return;
364
365	# always fsync - this file is important
366	aio_fsync $fh
367	and return;
368
369	close $fh	481	close $fh;
370	or return;
371		482
372	aio_rename "$runtime~", $runtime	483	$buf
373	and return;	484	}
374		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
375	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
376	}	644	}
377		645
378	=item cf::datalog type => key => value, ...	646	=item cf::datalog type => key => value, ...
379		647
380	Log a datalog packet of the given type with the given key-value pairs.	648	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
400		668
401	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	671	Crossfire TRT).
404		672
405	=over 4	673	=over 4
406		674
407	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
408		676
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
572		840
573	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		845
578	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	847	my $pkg = shift @arg;
580		848
581	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
611	}	879	}
612		880
613	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
614	} else {	882	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	884	}
617		885
618	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
619	}	887	}
620		888
…		…
622	if (ref $_[0]) {	890	if (ref $_[0]) {
623	_object_attach @_;	891	_object_attach @_;
624	} else {	892	} else {
625	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
626	}	894	}
		895	_recalc_want;
627	};	896	};
628		897
629	# all those should be optimised	898	# all those should be optimised
630	sub cf::attachable::detach {	899	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
635	reattach ($obj);	904	reattach ($obj);
636	} else {	905	} else {
637	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
638	}	907	}
		908	_recalc_want;
639	};	909	};
640		910
641	sub cf::attachable::attached {	911	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
643		913
…		…
658	";	928	";
659	die if $@;	929	die if $@;
660	}	930	}
661		931
662	our $override;	932	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		934
665	sub override {	935	sub override {
666	$override = 1;	936	$override = 1;
667	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
668	}	938	}
669		939
670	sub do_invoke {	940	sub do_invoke {
671	my $event = shift;	941	my $event = shift;
672	my $callbacks = shift;	942	my $callbacks = shift;
673		943
674	@invoke_results = ();	944	@INVOKE_RESULTS = ();
675		945
676	local $override;	946	local $override;
677		947
678	for (@$callbacks) {	948	for (@$callbacks) {
679	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
696		966
697	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
698		968
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		972
703	=back	973	=back
704		974
705	=cut	975	=cut
706		976
707	#############################################################################	977	#############################################################################
708	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
709		990
710	sub reattach {	991	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	993	my ($obj) = @_;
713		994
…		…
816	or return;	1097	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1099	}
819		1100
820	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1103	return ($data, $av);
823	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
824		1111
825	#############################################################################	1112	#############################################################################
826	# command handling &c	1113	# command handling &c
827		1114
828	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1129	}
843		1130
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1132
846	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
847		1138
848	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
849	called.	1140	called.
850		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
851	=cut	1153	=cut
852		1154
853	sub register_extcmd {	1155	sub register_extcmd {
854	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
855		1157
856	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
857	}	1165	}
858		1166
859	cf::player->attach (	1167	cf::player->attach (
860	on_command => sub {	1168	on_command => sub {
861	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1178	cf::override;
871	},	1179	},
872	on_extcmd => sub {	1180	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
874		1182
875	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1184
877	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
880	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
881	}	1195	if $reply;
882	}	1196	}
883	} else {	1197	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1199	}
886		1200
887	cf::override;	1201	cf::override;
888	},	1202	},
889	);	1203	);
890		1204
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
926	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1210	next unless -r $path;
928	eval {	1211
929	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
930	1	1269	}
931	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
932	}	1275	};
933	}	1276	}
934		1277
935	#############################################################################	1278	#############################################################################
936		1279
		1280	=back
		1281
937	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
938		1283
939	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
940		1285
941	=cut	1286	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
954		1299
955	=cut	1300	=cut
956		1301
957	sub playerdir($) {	1302	sub playerdir($) {
958	cf::localdir	1303	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1305	}
964		1306
965	sub path($) {	1307	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1309
968	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
969	}	1311	}
970		1312
971	sub find_active($) {	1313	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1328	my $login = $_[0];
987		1329
988	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
989		1331
990	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
		1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
991	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
992	or return;	1341	or return;
993	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
994	}	1343	}
995	}	1344	}
…		…
1079	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1080		1429
1081	=cut	1430	=cut
1082		1431
1083	sub list_logins {	1432	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1434	or return [];
1086		1435
1087	my @logins;	1436	my @logins;
1088		1437
1089	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1124	}	1473	}
1125		1474
1126	\@paths	1475	\@paths
1127	}	1476	}
1128		1477
		1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1479
		1480	Expand crossfire pod fragments into protocol xml.
		1481
		1482	=cut
		1483
		1484	sub expand_cfpod {
		1485	((my $self), (local $_)) = @_;
		1486
		1487	# escape & and <
		1488	s/&/&amp;/g;
		1489	s/(?<![BIUGH])</&lt;/g;
		1490
		1491	# this is buggy, it needs to properly take care of nested <'s
		1492
		1493	1 while
		1494	# replace B<>, I<>, U<> etc.
		1495	s/B<([^\>]*)>/<b>$1<\/b>/
		1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1129	=item $player->ext_reply ($msgid, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1130		1529
1131	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1132		1531
1133	=cut	1532	=cut
1134		1533
1135	sub ext_reply($$%) {	1534	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1137		1536
1138	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1139		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1140	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1141	}	1544	}
1142		1545
1143	=item $player->ext_event ($type, %msg)	1546	=item $player->ext_msg ($type, @msg)
1144		1547
1145	Sends an ext event to the client.	1548	Sends an ext event to the client.
1146		1549
1147	=cut	1550	=cut
1148		1551
1149	sub ext_event($$%) {	1552	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1553	my ($self, $type, @msg) = @_;
1151		1554
1152	$self->ns->ext_event ($type, %msg);	1555	$self->ns->ext_msg ($type, @msg);
1153	}	1556	}
1154		1557
1155	package cf;	1558	=head3 cf::region
		1559
		1560	=over 4
		1561
		1562	=cut
		1563
		1564	package cf::region;
		1565
		1566	=item cf::region::find_by_path $path
		1567
		1568	Tries to decuce the likely region for a map knowing only its path.
		1569
		1570	=cut
		1571
		1572	sub find_by_path($) {
		1573	my ($path) = @_;
		1574
		1575	my ($match, $specificity);
		1576
		1577	for my $region (list) {
		1578	if ($region->{match} && $path =~ $region->{match}) {
		1579	($match, $specificity) = ($region, $region->specificity)
		1580	if $region->specificity > $specificity;
		1581	}
		1582	}
		1583
		1584	$match
		1585	}
1156		1586
1157	=back	1587	=back
1158
1159		1588
1160	=head3 cf::map	1589	=head3 cf::map
1161		1590
1162	=over 4	1591	=over 4
1163		1592
…		…
1218	my ($self, $merge) = @_;	1647	my ($self, $merge) = @_;
1219		1648
1220	# we have to keep some variables in memory intact	1649	# we have to keep some variables in memory intact
1221	local $self->{path};	1650	local $self->{path};
1222	local $self->{load_path};	1651	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1652
1226	$self->SUPER::thawer_merge ($merge);	1653	$self->SUPER::thawer_merge ($merge);
1227	}	1654	}
1228		1655
1229	sub normalise {	1656	sub normalise {
…		…
1276	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1277	return $self;	1704	return $self;
1278	}	1705	}
1279	}	1706	}
1280		1707
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1282	()	1709	()
1283	}	1710	}
1284		1711
1285	sub init {	1712	sub init {
1286	my ($self) = @_;	1713	my ($self) = @_;
…		…
1301		1728
1302	# the original (read-only) location	1729	# the original (read-only) location
1303	sub load_path {	1730	sub load_path {
1304	my ($self) = @_;	1731	my ($self) = @_;
1305		1732
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1733	"$MAPDIR/$self->{path}.map"
1307	}	1734	}
1308		1735
1309	# the temporary/swap location	1736	# the temporary/swap location
1310	sub save_path {	1737	sub save_path {
1311	my ($self) = @_;	1738	my ($self) = @_;
1312		1739
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1741	"$TMPDIR/$path.map"
1315	}	1742	}
1316		1743
1317	# the unique path, undef == no special unique path	1744	# the unique path, undef == no special unique path
1318	sub uniq_path {	1745	sub uniq_path {
1319	my ($self) = @_;	1746	my ($self) = @_;
1320		1747
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1749	"$UNIQUEDIR/$path"
1323	}	1750	}
1324		1751
1325	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1326	# all maps in C++...	1753	# all maps in C++...
1327	sub change_all_map_light {	1754	sub change_all_map_light {
1328	my ($change) = @_;	1755	my ($change) = @_;
1329		1756
1330	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1331	for grep $_->outdoor, values %cf::MAP;	1758	for grep $_->outdoor, values %cf::MAP;
		1759	}
		1760
		1761	sub decay_objects {
		1762	my ($self) = @_;
		1763
		1764	return if $self->{deny_reset};
		1765
		1766	$self->do_decay_objects;
1332	}	1767	}
1333		1768
1334	sub unlink_save {	1769	sub unlink_save {
1335	my ($self) = @_;	1770	my ($self) = @_;
1336		1771
…		…
1394	$self->load_header_orig	1829	$self->load_header_orig
1395	or return;	1830	or return;
1396	$self->prepare_orig;	1831	$self->prepare_orig;
1397	}	1832	}
1398		1833
		1834	$self->{deny_reset} = 1
		1835	if $self->no_reset;
		1836
		1837	$self->default_region (cf::region::find_by_path $self->{path})
		1838	unless $self->default_region;
		1839
1399	1	1840	1
1400	}	1841	}
1401		1842
1402	sub find;	1843	sub find;
1403	sub find {	1844	sub find {
…		…
1415	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1416		1857
1417	$map->load_header	1858	$map->load_header
1418	or return;	1859	or return;
1419		1860
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	1862	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	1863	#$cf::WAIT_FOR_TICK->wait;
1423	$map->reset;	1864	$map->reset;
1424	undef $guard;	1865	undef $guard;
1425	return find $path;	1866	return find $path;
…		…
1436	my ($self) = @_;	1877	my ($self) = @_;
1437		1878
1438	local $self->{deny_reset} = 1; # loading can take a long time	1879	local $self->{deny_reset} = 1; # loading can take a long time
1439		1880
1440	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1441	my $guard = cf::lock_acquire "map_load:$path";	1884	my $guard = cf::lock_acquire "map_load:$path";
1442		1885
1443	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1444		1887
1445	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1446		1889
1447	$self->alloc;	1890	$self->alloc;
1448		1891
1449	$self->pre_load;	1892	$self->pre_load;
1450
1451	$self->_load_objects ($self->{load_path}, 1)
1452	or return;
1453
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1455	if delete $self->{load_original};
1456
1457	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {
1460	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);
1462	}
1463	}
1464
1465	Coro::cede;
1466
1467	# now do the right thing for maps
1468	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;	1893	Coro::cede;
1475	$self->set_darkness_map;	1894
		1895	$self->_load_objects ($self->{load_path}, 1)
		1896	or return;
		1897
		1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1899	if delete $self->{load_original};
		1900
		1901	if (my $uniq = $self->uniq_path) {
		1902	utf8::encode $uniq;
		1903	if (aio_open $uniq, O_RDONLY, 0) {
		1904	$self->clear_unique_items;
		1905	$self->_load_objects ($uniq, 0);
		1906	}
		1907	}
		1908
		1909	Coro::cede;
		1910	# now do the right thing for maps
		1911	$self->link_multipart_objects;
1476	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	1913	unless $self->difficulty;
1478	Coro::cede;	1914	Coro::cede;
		1915
		1916	unless ($self->{deny_activate}) {
		1917	$self->decay_objects;
		1918	$self->fix_auto_apply;
		1919	$self->update_buttons;
		1920	Coro::cede;
		1921	$self->set_darkness_map;
		1922	Coro::cede;
1479	$self->activate;	1923	$self->activate;
		1924	}
		1925
		1926	$self->in_memory (cf::MAP_IN_MEMORY);
1480	}	1927	}
1481		1928
1482	$self->post_load;	1929	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	1930	}
1486		1931
1487	sub customise_for {	1932	sub customise_for {
1488	my ($self, $ob) = @_;	1933	my ($self, $ob) = @_;
1489		1934
1490	return find "~" . $ob->name . "/" . $self->{path}	1935	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	1936	if $self->per_player;
		1937
		1938	# return find "?party/" . $ob->name . "/" . $self->{path}
		1939	# if $self->per_party;
1492		1940
1493	$self	1941	$self
1494	}	1942	}
1495		1943
1496	# find and load all maps in the 3x3 area around a map	1944	# find and load all maps in the 3x3 area around a map
…		…
1543		1991
1544	undef $MAP_PREFETCH{$path};	1992	undef $MAP_PREFETCH{$path};
1545	$MAP_PREFETCHER ||= cf::async {	1993	$MAP_PREFETCHER ||= cf::async {
1546	while (%MAP_PREFETCH) {	1994	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	1995	for my $path (keys %MAP_PREFETCH) {
1548	my $map = find $path	1996	if (my $map = find $path) {
1549	or next;
1550	$map->load;	1997	$map->load;
		1998	}
1551		1999
1552	delete $MAP_PREFETCH{$path};	2000	delete $MAP_PREFETCH{$path};
1553	}	2001	}
1554	}	2002	}
1555	undef $MAP_PREFETCHER;	2003	undef $MAP_PREFETCHER;
…		…
1607		2055
1608	sub reset_at {	2056	sub reset_at {
1609	my ($self) = @_;	2057	my ($self) = @_;
1610		2058
1611	# TODO: safety, remove and allow resettable per-player maps	2059	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2060	return 1e99 if $self->{deny_reset};
1614		2061
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2062	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2063	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2064
…		…
1628	my ($self) = @_;	2075	my ($self) = @_;
1629		2076
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2077	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2078
1632	return if $self->players;	2079	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2080
1635	warn "resetting map ", $self->path;#d#	2081	warn "resetting map ", $self->path;
1636		2082
1637	$self->in_memory (cf::MAP_SWAPPED);	2083	$self->in_memory (cf::MAP_SWAPPED);
1638		2084
1639	# need to save uniques path	2085	# need to save uniques path
1640	unless ($self->{deny_save}) {	2086	unless ($self->{deny_save}) {
…		…
1672	$cf::MAP{$self->path} = $self;	2118	$cf::MAP{$self->path} = $self;
1673		2119
1674	$self->reset; # polite request, might not happen	2120	$self->reset; # polite request, might not happen
1675	}	2121	}
1676		2122
		2123	=item $maps = cf::map::tmp_maps
		2124
		2125	Returns an arrayref with all map paths of currently instantiated and saved
		2126	maps. May block.
		2127
		2128	=cut
		2129
		2130	sub tmp_maps() {
		2131	[
		2132	map {
		2133	utf8::decode $_;
		2134	/\.map$/
		2135	? normalise $_
		2136	: ()
		2137	} @{ aio_readdir $TMPDIR or [] }
		2138	]
		2139	}
		2140
		2141	=item $maps = cf::map::random_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	random maps. May block.
		2145
		2146	=cut
		2147
		2148	sub random_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise "?random/$_"
		2154	: ()
		2155	} @{ aio_readdir $RANDOMDIR or [] }
		2156	]
		2157	}
		2158
1677	=item cf::map::unique_maps	2159	=item cf::map::unique_maps
1678		2160
1679	Returns an arrayref of paths of all shared maps that have	2161	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2162	instantiated unique items. May block.
1681		2163
1682	=cut	2164	=cut
1683		2165
1684	sub unique_maps() {	2166	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2167	[
1686	or return;	2168	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2169	utf8::decode $_;
1692	next if /\.pst$/;	2170	/\.map$/
1693	next unless /^$PATH_SEP/o;	2171	? normalise $_
1694		2172	: ()
1695	push @paths, cf::map::normalise $_;	2173	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2174	]
1697
1698	\@paths
1699	}	2175	}
1700		2176
1701	package cf;	2177	package cf;
1702		2178
1703	=back	2179	=back
…		…
1749		2225
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2226	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2227
1752	if ($self->{record_replies}) {	2228	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2229	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2230
1754	} else {	2231	} else {
		2232	my $pl = $self->contr;
		2233
		2234	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2235	my $dialog = $pl->{npc_dialog};
		2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2237
		2238	} else {
1755	$msg = $npc->name . " says: $msg" if $npc;	2239	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2240	$self->message ($msg, $flags);
		2241	}
1757	}	2242	}
1758	}	2243	}
1759		2244
1760	=item $player_object->may ("access")	2245	=item $player_object->may ("access")
1761		2246
…		…
1809	$self->deactivate_recursive;	2294	$self->deactivate_recursive;
1810		2295
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2296	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2297
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2299	if $self->map && $self->map->{path} ne "{link}";
1815		2300
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1817	}	2302	}
1818		2303
1819	sub cf::object::player::leave_link {	2304	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2305	my ($self, $map, $x, $y) = @_;
		2306
		2307	return unless $self->contr->active;
1821		2308
1822	my $link_pos = delete $self->{_link_pos};	2309	my $link_pos = delete $self->{_link_pos};
1823		2310
1824	unless ($map) {	2311	unless ($map) {
1825	# restore original map position	2312	# restore original map position
…		…
1848		2335
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2337	$self->enter_map ($map, $x, $y);
1851	}	2338	}
1852		2339
1853	cf::player->attach (	2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1854	on_logout => sub {
1855	my ($pl) = @_;
1856		2341
1857	# abort map switching before logout	2342	Moves the player to the given map-path and coordinates by first freezing
1858	if ($pl->ob->{_link_pos}) {	2343	her, loading and preparing them map, calling the provided $check callback
1859	cf::sync_job {	2344	that has to return the map if sucecssful, and then unfreezes the player on
1860	$pl->ob->leave_link	2345	the new (success) or old (failed) map position. In either case, $done will
1861	};	2346	be called at the end of this process.
1862	}
1863	},
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2347
1867	# try to abort aborted map switching on player login :)
1868	# should happen only on crashes
1869	if ($pl->ob->{_link_pos}) {
1870	$pl->ob->enter_link;
1871	(async {
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884
1885	=item $player_object->goto ($path, $x, $y)
1886
1887	=cut	2348	=cut
		2349
		2350	our $GOTOGEN;
1888		2351
1889	sub cf::object::player::goto {	2352	sub cf::object::player::goto {
1890	my ($self, $path, $x, $y) = @_;	2353	my ($self, $path, $x, $y, $check, $done) = @_;
		2354
		2355	# do generation counting so two concurrent goto's will be executed in-order
		2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1891		2357
1892	$self->enter_link;	2358	$self->enter_link;
1893		2359
1894	(async {	2360	(async {
1895	my $map = eval {	2361	my $map = eval {
1896	my $map = cf::map::find $path;	2362	my $map = cf::map::find $path;
		2363
		2364	if ($map) {
1897	$map = $map->customise_for ($self) if $map;	2365	$map = $map->customise_for ($self);
		2366	$map = $check->($map) if $check && $map;
		2367	} else {
		2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	}
		2370
1898	$map	2371	$map
		2372	};
		2373
		2374	if ($@) {
		2375	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2376	LOG llevError | logBacktrace, Carp::longmess $@;
1899	} or	2377	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2378
		2379	if ($gen == $self->{_goto_generation}) {
		2380	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2381	$self->leave_link ($map, $x, $y);
		2382	}
		2383
		2384	$done->() if $done;
1903	})->prio (1);	2385	})->prio (1);
1904	}	2386	}
1905		2387
1906	=item $player_object->enter_exit ($exit_object)	2388	=item $player_object->enter_exit ($exit_object)
1907		2389
…		…
1946		2428
1947	$rmp->{random_seed} ||= $exit->random_seed;	2429	$rmp->{random_seed} ||= $exit->random_seed;
1948		2430
1949	my $data = cf::to_json $rmp;	2431	my $data = cf::to_json $rmp;
1950	my $md5 = Digest::MD5::md5_hex $data;	2432	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2433	my $meta = "$RANDOMDIR/$md5.meta";
1952		2434
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2436	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2437	undef $fh;
1956	aio_rename "$meta~", $meta;	2438	aio_rename "$meta~", $meta;
…		…
1965		2447
1966	return unless $self->type == cf::PLAYER;	2448	return unless $self->type == cf::PLAYER;
1967		2449
1968	if ($exit->slaying eq "/!") {	2450	if ($exit->slaying eq "/!") {
1969	#TODO: this should de-fi-ni-te-ly not be a sync-job	2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2452	# the problem is that $exit might not survive long enough
		2453	# so it needs to be done right now, right here
1970	cf::sync_job { prepare_random_map $exit };	2454	cf::sync_job { prepare_random_map $exit };
1971	}	2455	}
1972		2456
1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1974	my $hp = $exit->stats->hp;	2458	my $hp = $exit->stats->hp;
1975	my $sp = $exit->stats->sp;	2459	my $sp = $exit->stats->sp;
1976		2460
1977	$self->enter_link;	2461	$self->enter_link;
		2462
		2463	# if exit is damned, update players death & WoR home-position
		2464	$self->contr->savebed ($slaying, $hp, $sp)
		2465	if $exit->flag (FLAG_DAMNED);
1978		2466
1979	(async {	2467	(async {
1980	$self->deactivate_recursive; # just to be sure	2468	$self->deactivate_recursive; # just to be sure
1981	unless (eval {	2469	unless (eval {
1982	$self->goto ($slaying, $hp, $sp);	2470	$self->goto ($slaying, $hp, $sp);
1983		2471
1984	1;	2472	1;
1985	}) {	2473	}) {
1986	$self->message ("Something went wrong deep within the crossfire server. "	2474	$self->message ("Something went wrong deep within the crossfire server. "
1987	. "I'll try to bring you back to the map you were before. "	2475	. "I'll try to bring you back to the map you were before. "
1988	. "Please report this to the dungeon master!",	2476	. "Please report this to the dungeon master!",
1989	cf::NDI_UNIQUE | cf::NDI_RED);	2477	cf::NDI_UNIQUE | cf::NDI_RED);
1990		2478
1991	warn "ERROR in enter_exit: $@";	2479	warn "ERROR in enter_exit: $@";
1992	$self->leave_link;	2480	$self->leave_link;
1993	}	2481	}
1994	})->prio (1);	2482	})->prio (1);
…		…
2010		2498
2011	utf8::encode $text;	2499	utf8::encode $text;
2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2013	}	2501	}
2014		2502
		2503	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	Send a drawinfo or msg packet to the client, formatting the msg for the
		2506	client if neccessary. C<$type> should be a string identifying the type of
		2507	the message, with C<log> being the default. If C<$color> is negative, suppress
		2508	the message unless the client supports the msg packet.
		2509
		2510	=cut
		2511
		2512	sub cf::client::send_msg {
		2513	my ($self, $channel, $msg, $color, @extra) = @_;
		2514
		2515	$msg = $self->pl->expand_cfpod ($msg);
		2516
		2517	$color &= ~cf::NDI_UNIQUE; # just in case...
		2518
		2519	if (ref $channel) {
		2520	# send meta info to client, if not yet sent
		2521	unless (exists $self->{channel}{$channel->{id}}) {
		2522	$self->{channel}{$channel->{id}} = $channel;
		2523	$self->ext_msg (channel_info => $channel);
		2524	}
		2525
		2526	$channel = $channel->{id};
		2527	}
		2528
		2529	return unless @extra || length $msg;
		2530
		2531	if ($self->can_msg) {
		2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2533	} else {
		2534	# replace some tags by gcfclient-compatible ones
		2535	for ($msg) {
		2536	1 while
		2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2542	}
		2543
		2544	if ($color >= 0) {
		2545	if (0 && $msg =~ /\[/) {
		2546	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
2015	=item $client->ext_event ($type, %msg)	2555	=item $client->ext_msg ($type, @msg)
2016		2556
2017	Sends an exti event to the client.	2557	Sends an ext event to the client.
2018		2558
2019	=cut	2559	=cut
2020		2560
2021	sub cf::client::ext_event($$%) {	2561	sub cf::client::ext_msg($$@) {
2022	my ($self, $type, %msg) = @_;	2562	my ($self, $type, @msg) = @_;
2023		2563
		2564	my $extcmd = $self->extcmd;
		2565
		2566	if ($extcmd == 2) {
		2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2568	} elsif ($extcmd == 1) { # TODO: remove
2024	$msg{msgtype} = "event_$type";	2569	push @msg, msgtype => "event_$type";
2025	$self->send_packet ("ext " . cf::to_json \%msg);	2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2571	}
2026	}	2572	}
2027		2573
2028	=item $success = $client->query ($flags, "text", \&cb)	2574	=item $success = $client->query ($flags, "text", \&cb)
2029		2575
2030	Queues a query to the client, calling the given callback with	2576	Queues a query to the client, calling the given callback with
2031	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2577	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2032	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2578	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2033		2579
2034	Queries can fail, so check the return code. Or don't, as queries will become	2580	Queries can fail, so check the return code. Or don't, as queries will
2035	reliable at some point in the future.	2581	become reliable at some point in the future.
2036		2582
2037	=cut	2583	=cut
2038		2584
2039	sub cf::client::query {	2585	sub cf::client::query {
2040	my ($self, $flags, $text, $cb) = @_;	2586	my ($self, $flags, $text, $cb) = @_;
…		…
2048	utf8::encode $text;	2594	utf8::encode $text;
2049	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2595	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2050		2596
2051	$self->send_packet ($self->{query_queue}[0][0])	2597	$self->send_packet ($self->{query_queue}[0][0])
2052	if @{ $self->{query_queue} } == 1;	2598	if @{ $self->{query_queue} } == 1;
		2599
		2600	1
2053	}	2601	}
2054		2602
2055	cf::client->attach (	2603	cf::client->attach (
		2604	on_connect => sub {
		2605	my ($ns) = @_;
		2606
		2607	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2608	},
2056	on_reply => sub {	2609	on_reply => sub {
2057	my ($ns, $msg) = @_;	2610	my ($ns, $msg) = @_;
2058		2611
2059	# this weird shuffling is so that direct followup queries	2612	# this weird shuffling is so that direct followup queries
2060	# get handled first	2613	# get handled first
…		…
2072	} else {	2625	} else {
2073	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2626	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2074	}	2627	}
2075	}	2628	}
2076	},	2629	},
		2630	on_exticmd => sub {
		2631	my ($ns, $buf) = @_;
		2632
		2633	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2634
		2635	if (ref $msg) {
		2636	my ($type, $reply, @payload) =
		2637	"ARRAY" eq ref $msg
		2638	? @$msg
		2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2640
		2641	if (my $cb = $EXTICMD{$type}) {
		2642	my @reply = $cb->($ns, @payload);
		2643
		2644	$ns->ext_reply ($reply, @reply)
		2645	if $reply;
		2646	}
		2647	} else {
		2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2649	}
		2650
		2651	cf::override;
		2652	},
2077	);	2653	);
2078		2654
2079	=item $client->async (\&cb)	2655	=item $client->async (\&cb)
2080		2656
2081	Create a new coroutine, running the specified callback. The coroutine will	2657	Create a new coroutine, running the specified callback. The coroutine will
…		…
2130		2706
2131	=pod	2707	=pod
2132		2708
2133	The following functions and methods are available within a safe environment:	2709	The following functions and methods are available within a safe environment:
2134		2710
2135	cf::object contr pay_amount pay_player map	2711	cf::object
		2712	contr pay_amount pay_player map x y force_find force_add
		2713	insert remove
		2714
2136	cf::object::player player	2715	cf::object::player
2137	cf::player peaceful	2716	player
2138	cf::map trigger	2717
		2718	cf::player
		2719	peaceful
		2720
		2721	cf::map
		2722	trigger
2139		2723
2140	=cut	2724	=cut
2141		2725
2142	for (	2726	for (
2143	["cf::object" => qw(contr pay_amount pay_player map)],	2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2728	insert remove)],
2144	["cf::object::player" => qw(player)],	2729	["cf::object::player" => qw(player)],
2145	["cf::player" => qw(peaceful)],	2730	["cf::player" => qw(peaceful)],
2146	["cf::map" => qw(trigger)],	2731	["cf::map" => qw(trigger)],
2147	) {	2732	) {
2148	no strict 'refs';	2733	no strict 'refs';
…		…
2219	=back	2804	=back
2220		2805
2221	=cut	2806	=cut
2222		2807
2223	#############################################################################	2808	#############################################################################
2224
2225	=head2 EXTENSION DATABASE SUPPORT
2226
2227	Crossfire maintains a very simple database for extension use. It can
2228	currently store anything that can be serialised using Storable, which
2229	excludes objects.
2230
2231	The parameter C<$family> should best start with the name of the extension
2232	using it, it should be unique.
2233
2234	=over 4
2235
2236	=item $value = cf::db_get $family => $key
2237
2238	Returns a single value from the database.
2239
2240	=item cf::db_put $family => $key => $value
2241
2242	Stores the given C<$value> in the family.
2243
2244	=cut
2245
2246	our $DB;
2247
2248	sub db_init {
2249	unless ($DB) {
2250	$DB = BDB::db_create $DB_ENV;
2251
2252	cf::sync_job {
2253	eval {
2254	$DB->set_flags (BDB::CHKSUM);
2255
2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2258	cf::cleanup "db_open(db): $!" if $!;
2259	};
2260	cf::cleanup "db_open(db): $@" if $@;
2261	};
2262
2263	my $path = cf::localdir . "/database.pst";
2264	if (stat $path) {
2265	cf::sync_job {
2266	my $pst = Storable::retrieve $path;
2267
2268	cf::db_put (board => data => $pst->{board});
2269	cf::db_put (guildrules => data => $pst->{guildrules});
2270	cf::db_put (rent => balance => $pst->{rent}{balance});
2271	BDB::db_env_txn_checkpoint $DB_ENV;
2272
2273	unlink $path;
2274	};
2275	}
2276	}
2277	}
2278
2279	sub db_get($$) {
2280	my $key = "$_[0]/$_[1]";
2281
2282	cf::sync_job {
2283	BDB::db_get $DB, undef, $key, my $data;
2284
2285	$! ? ()
2286	: Compress::LZF::sthaw $data
2287	}
2288	}
2289
2290	sub db_put($$$) {
2291	BDB::dbreq_pri 4;
2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2293	}
2294
2295	#############################################################################
2296	# the server's init and main functions	2809	# the server's init and main functions
2297		2810
2298	sub load_facedata {	2811	sub load_facedata($) {
2299	my $path = sprintf "%s/facedata", cf::datadir;	2812	my ($path) = @_;
2300		2813
2301	warn "loading facedata from $path\n";	2814	warn "loading facedata from $path\n";
2302		2815
2303	my $faces;	2816	my $facedata;
2304	0 < aio_load $path, $faces	2817	0 < aio_load $path, $facedata
2305	or die "$path: $!";	2818	or die "$path: $!";
2306		2819
2307	Coro::cede;
2308	$faces = Storable::thaw $faces;	2820	$facedata = Coro::Storable::thaw $facedata;
2309	Coro::cede;
2310		2821
2311	my $meta = delete $faces->{""};
2312	$meta->{version} == 1	2822	$facedata->{version} == 2
2313	or cf::cleanup "$path: version mismatch, cannot proceed.";	2823	or cf::cleanup "$path: version mismatch, cannot proceed.";
2314		2824
		2825	{
		2826	my $faces = $facedata->{faceinfo};
		2827
2315	while (my ($face, $info) = each %$faces) {	2828	while (my ($face, $info) = each %$faces) {
2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2830	cf::face::set_visibility $idx, $info->{visibility};
		2831	cf::face::set_magicmap $idx, $info->{magicmap};
2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2320	Coro::cede;
2321	}
2322		2834
		2835	cf::cede_to_tick;
		2836	}
		2837
2323	while (my ($face, $info) = each %$faces) {	2838	while (my ($face, $info) = each %$faces) {
2324	next unless $info->{smooth};	2839	next unless $info->{smooth};
2325	my $idx = cf::face::find $face	2840	my $idx = cf::face::find $face
2326	or next;	2841	or next;
2327	if (my $smooth = cf::face::find $info->{smooth}) {	2842	if (my $smooth = cf::face::find $info->{smooth}) {
2328	cf::face::set_smooth $idx, $smooth;	2843	cf::face::set_smooth $idx, $smooth;
		2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2329	} else {	2845	} else {
2330	warn "smooth face '$info->{smooth}' not found for face '$face'";	2846	warn "smooth face '$info->{smooth}' not found for face '$face'";
2331	}	2847	}
2332	Coro::cede;	2848
		2849	cf::cede_to_tick;
		2850	}
		2851	}
		2852
		2853	{
		2854	my $anims = $facedata->{animinfo};
		2855
		2856	while (my ($anim, $info) = each %$anims) {
		2857	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2858	cf::cede_to_tick;
		2859	}
		2860
		2861	cf::anim::invalidate_all; # d'oh
		2862	}
		2863
		2864	{
		2865	# TODO: for gcfclient pleasure, we should give resources
		2866	# that gcfclient doesn't grok a >10000 face index.
		2867	my $res = $facedata->{resource};
		2868	my $enc = JSON::XS->new->utf8->canonical;
		2869
		2870	if (my $soundconf = delete $res->{"res/sound.conf"}) {
		2871	$soundconf = $enc->decode (delete $soundconf->{data});
		2872	# todo
		2873	}
		2874
		2875	while (my ($name, $info) = each %$res) {
		2876	my $meta = $enc->encode ({
		2877	name => $name,
		2878	%{ $info->{meta} || {} },
		2879	});
		2880
		2881	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2882
		2883	if ($info->{type} & 1) {
		2884	# prepend meta info
		2885
		2886	my $data = pack "(w/a*)*", $meta, $info->{data};
		2887	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2888
		2889	cf::face::set_data $idx, 0, $data, $chk;
		2890	} else {
		2891	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2892	}
		2893
		2894	cf::face::set_type $idx, $info->{type};
		2895
		2896	cf::cede_to_tick;
		2897	}
2333	}	2898	}
2334		2899
2335	1	2900	1
2336	}	2901	}
2337		2902
		2903	register_exticmd fx_want => sub {
		2904	my ($ns, $want) = @_;
		2905
		2906	while (my ($k, $v) = each %$want) {
		2907	$ns->fx_want ($k, $v);
		2908	}
		2909	};
		2910
		2911	sub reload_regions {
		2912	load_resource_file "$MAPDIR/regions"
		2913	or die "unable to load regions file\n";
		2914
		2915	for (cf::region::list) {
		2916	$_->{match} = qr/$_->{match}/
		2917	if exists $_->{match};
		2918	}
		2919	}
		2920
		2921	sub reload_facedata {
		2922	load_facedata "$DATADIR/facedata"
		2923	or die "unable to load facedata\n";
		2924	}
		2925
		2926	sub reload_archetypes {
		2927	load_resource_file "$DATADIR/archetypes"
		2928	or die "unable to load archetypes\n";
		2929	#d# NEED to laod twice to resolve forward references
		2930	# this really needs to be done in an extra post-pass
		2931	# (which needs to be synchronous, so solve it differently)
		2932	load_resource_file "$DATADIR/archetypes"
		2933	or die "unable to load archetypes\n";
		2934	}
		2935
		2936	sub reload_treasures {
		2937	load_resource_file "$DATADIR/treasures"
		2938	or die "unable to load treasurelists\n";
		2939	}
		2940
2338	sub reload_resources {	2941	sub reload_resources {
2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2942	warn "reloading resource files...\n";
2340	or die "unable to load regions file\n";#d#	2943
		2944	reload_regions;
2341	load_facedata	2945	reload_facedata;
2342	or die "unable to load facedata\n";#d#	2946	#reload_archetypes;#d#
		2947	reload_archetypes;
		2948	reload_treasures;
		2949
		2950	warn "finished reloading resource files\n";
2343	}	2951	}
2344		2952
2345	sub init {	2953	sub init {
2346	reload_resources;	2954	reload_resources;
2347	}	2955	}
2348		2956
2349	sub cfg_load {	2957	sub cfg_load {
2350	open my $fh, "<:utf8", cf::confdir . "/config"	2958	open my $fh, "<:utf8", "$CONFDIR/config"
2351	or return;	2959	or return;
2352		2960
2353	local $/;	2961	local $/;
2354	*CFG = YAML::Syck::Load <$fh>;	2962	*CFG = YAML::Syck::Load <$fh>;
2355		2963
…		…
2400	},	3008	},
2401	);	3009	);
2402	}	3010	}
2403	}	3011	}
2404		3012
		3013	sub write_runtime {
		3014	my $runtime = "$LOCALDIR/runtime";
		3015
		3016	# first touch the runtime file to show we are still running:
		3017	# the fsync below can take a very very long time.
		3018
		3019	IO::AIO::aio_utime $runtime, undef, undef;
		3020
		3021	my $guard = cf::lock_acquire "write_runtime";
		3022
		3023	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3024	or return;
		3025
		3026	my $value = $cf::RUNTIME + 90 + 10;
		3027	# 10 is the runtime save interval, for a monotonic clock
		3028	# 60 allows for the watchdog to kill the server.
		3029
		3030	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3031	and return;
		3032
		3033	# always fsync - this file is important
		3034	aio_fsync $fh
		3035	and return;
		3036
		3037	# touch it again to show we are up-to-date
		3038	aio_utime $fh, undef, undef;
		3039
		3040	close $fh
		3041	or return;
		3042
		3043	aio_rename "$runtime~", $runtime
		3044	and return;
		3045
		3046	warn "runtime file written.\n";
		3047
		3048	1
		3049	}
		3050
2405	sub emergency_save() {	3051	sub emergency_save() {
2406	my $freeze_guard = cf::freeze_mainloop;	3052	my $freeze_guard = cf::freeze_mainloop;
2407		3053
2408	warn "enter emergency perl save\n";	3054	warn "enter emergency perl save\n";
2409		3055
…		…
2440		3086
2441	warn Carp::longmess "post_cleanup backtrace"	3087	warn Carp::longmess "post_cleanup backtrace"
2442	if $make_core;	3088	if $make_core;
2443	}	3089	}
2444		3090
2445	sub reload() {	3091	sub do_reload_perl() {
2446	# can/must only be called in main	3092	# can/must only be called in main
2447	if ($Coro::current != $Coro::main) {	3093	if ($Coro::current != $Coro::main) {
2448	warn "can only reload from main coroutine";	3094	warn "can only reload from main coroutine";
2449	return;	3095	return;
2450	}	3096	}
…		…
2484	%EXT_CORO = ();	3130	%EXT_CORO = ();
2485		3131
2486	warn "removing commands";	3132	warn "removing commands";
2487	%COMMAND = ();	3133	%COMMAND = ();
2488		3134
2489	warn "removing ext commands";	3135	warn "removing ext/exti commands";
2490	%EXTCMD = ();	3136	%EXTCMD = ();
		3137	%EXTICMD = ();
2491		3138
2492	warn "unloading/nuking all extensions";	3139	warn "unloading/nuking all extensions";
2493	for my $pkg (@EXTS) {	3140	for my $pkg (@EXTS) {
2494	warn "... unloading $pkg";	3141	warn "... unloading $pkg";
2495		3142
…		…
2525	Symbol::delete_package "safe::$_"	3172	Symbol::delete_package "safe::$_"
2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3173	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2527		3174
2528	warn "unloading cf.pm \"a bit\"";	3175	warn "unloading cf.pm \"a bit\"";
2529	delete $INC{"cf.pm"};	3176	delete $INC{"cf.pm"};
		3177	delete $INC{"cf/pod.pm"};
2530		3178
2531	# don't, removes xs symbols, too,	3179	# don't, removes xs symbols, too,
2532	# and global variables created in xs	3180	# and global variables created in xs
2533	#Symbol::delete_package __PACKAGE__;	3181	#Symbol::delete_package __PACKAGE__;
2534		3182
…		…
2549	warn "reattaching attachments to maps";	3197	warn "reattaching attachments to maps";
2550	reattach $_ for values %MAP;	3198	reattach $_ for values %MAP;
2551	warn "reattaching attachments to players";	3199	warn "reattaching attachments to players";
2552	reattach $_ for values %PLAYER;	3200	reattach $_ for values %PLAYER;
2553		3201
2554	warn "loading reloadable resources";
2555	reload_resources;
2556
2557	warn "leaving sync_job";	3202	warn "leaving sync_job";
2558		3203
2559	1	3204	1
2560	} or do {	3205	} or do {
2561	warn $@;	3206	warn $@;
…		…
2566	warn "reloaded";	3211	warn "reloaded";
2567	};	3212	};
2568		3213
2569	our $RELOAD_WATCHER; # used only during reload	3214	our $RELOAD_WATCHER; # used only during reload
2570		3215
		3216	sub reload_perl() {
		3217	# doing reload synchronously and two reloads happen back-to-back,
		3218	# coro crashes during coro_state_free->destroy here.
		3219
		3220	$RELOAD_WATCHER ||= Event->timer (
		3221	reentrant => 0,
		3222	after => 0,
		3223	data => WF_AUTOCANCEL,
		3224	cb => sub {
		3225	do_reload_perl;
		3226	undef $RELOAD_WATCHER;
		3227	},
		3228	);
		3229	}
		3230
2571	register_command "reload" => sub {	3231	register_command "reload" => sub {
2572	my ($who, $arg) = @_;	3232	my ($who, $arg) = @_;
2573		3233
2574	if ($who->flag (FLAG_WIZ)) {	3234	if ($who->flag (FLAG_WIZ)) {
2575	$who->message ("reloading server.");	3235	$who->message ("reloading server.");
2576		3236	async { reload_perl };
2577	# doing reload synchronously and two reloads happen back-to-back,
2578	# coro crashes during coro_state_free->destroy here.
2579
2580	$RELOAD_WATCHER ||= Event->timer (
2581	reentrant => 0,
2582	after => 0,
2583	data => WF_AUTOCANCEL,
2584	cb => sub {
2585	reload;
2586	undef $RELOAD_WATCHER;
2587	},
2588	);
2589	}	3237	}
2590	};	3238	};
2591		3239
2592	unshift @INC, $LIBDIR;	3240	unshift @INC, $LIBDIR;
2593		3241
2594	my $bug_warning = 0;	3242	my $bug_warning = 0;
2595		3243
		3244	our @WAIT_FOR_TICK;
		3245	our @WAIT_FOR_TICK_BEGIN;
		3246
		3247	sub wait_for_tick {
		3248	return unless $TICK_WATCHER->is_active;
		3249	return if $Coro::current == $Coro::main;
		3250
		3251	my $signal = new Coro::Signal;
		3252	push @WAIT_FOR_TICK, $signal;
		3253	$signal->wait;
		3254	}
		3255
		3256	sub wait_for_tick_begin {
		3257	return unless $TICK_WATCHER->is_active;
		3258	return if $Coro::current == $Coro::main;
		3259
		3260	my $signal = new Coro::Signal;
		3261	push @WAIT_FOR_TICK_BEGIN, $signal;
		3262	$signal->wait;
		3263	}
		3264
		3265	my $min = 1e6;#d#
		3266	my $avg = 10;
2596	$TICK_WATCHER = Event->timer (	3267	$TICK_WATCHER = Event->timer (
2597	reentrant => 0,	3268	reentrant => 0,
2598	parked => 1,	3269	parked => 1,
2599	prio => 0,	3270	prio => 0,
2600	at => $NEXT_TICK || $TICK,	3271	at => $NEXT_TICK || $TICK,
…		…
2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2605	unless ++$bug_warning > 10;	3276	unless ++$bug_warning > 10;
2606	return;	3277	return;
2607	}	3278	}
2608		3279
2609	$NOW = Event::time;	3280	$NOW = $tick_start = Event::time;
2610		3281
2611	cf::server_tick; # one server iteration	3282	cf::server_tick; # one server iteration
		3283
		3284	0 && sync_job {#d#
		3285	for(1..10) {
		3286	my $t = Event::time;
		3287	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3288	or die;
		3289
		3290	$map->width (50);
		3291	$map->height (50);
		3292	$map->alloc;
		3293	$map->_load_objects ("/tmp/x.map", 1);
		3294	my $t = Event::time - $t;
		3295
		3296	#next unless $t < 0.0013;#d#
		3297	if ($t < $min) {
		3298	$min = $t;
		3299	}
		3300	$avg = $avg * 0.99 + $t * 0.01;
		3301	}
		3302	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3303	exit 0;
		3304	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3305	};
		3306
2612	$RUNTIME += $TICK;	3307	$RUNTIME += $TICK;
2613	$NEXT_TICK += $TICK;	3308	$NEXT_TICK += $TICK;
2614		3309
2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3310	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2616	$NEXT_RUNTIME_WRITE = $NOW + 10;	3311	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2618	write_runtime	3313	write_runtime
2619	or warn "ERROR: unable to write runtime file: $!";	3314	or warn "ERROR: unable to write runtime file: $!";
2620	};	3315	};
2621	}	3316	}
2622		3317
2623	$WAIT_FOR_TICK->broadcast;
2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2625
2626	# my $AFTER = Event::time;	3318	# my $AFTER = Event::time;
2627	# warn $AFTER - $NOW;#d#	3319	# warn $AFTER - $NOW;#d#
2628		3320
		3321	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3322	$sig->send;
		3323	}
		3324	while (my $sig = shift @WAIT_FOR_TICK) {
		3325	$sig->send;
		3326	}
		3327
		3328	$NOW = Event::time;
		3329
2629	# if we are delayed by four ticks or more, skip them all	3330	# if we are delayed by four ticks or more, skip them all
2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3331	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2631		3332
2632	$TICK_WATCHER->at ($NEXT_TICK);	3333	$TICK_WATCHER->at ($NEXT_TICK);
2633	$TICK_WATCHER->start;	3334	$TICK_WATCHER->start;
		3335
		3336	$LOAD = ($NOW - $tick_start) / $TICK;
		3337	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3338
		3339	_post_tick;
		3340
		3341
2634	},	3342	},
2635	);	3343	);
2636		3344
2637	{	3345	{
2638	BDB::max_poll_time $TICK * 0.1;	3346	BDB::max_poll_time $TICK * 0.1;
…		…
2666		3374
2667	cf::sync_job {	3375	cf::sync_job {
2668	eval {	3376	eval {
2669	BDB::db_env_open	3377	BDB::db_env_open
2670	$DB_ENV,	3378	$DB_ENV,
2671	$BDB_ENV_DIR,	3379	$BDBDIR,
2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3380	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3381	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2674	0666;	3382	0666;
2675		3383
2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3384	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2677		3385
2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3386	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2679	$DB_ENV->set_lk_detect;	3387	$DB_ENV->set_lk_detect;
2680	};	3388	};
2681		3389
…		…
2697	prio => 6,	3405	prio => 6,
2698	cb => \&IO::AIO::poll_cb,	3406	cb => \&IO::AIO::poll_cb,
2699	);	3407	);
2700	}	3408	}
2701		3409
		3410	my $_log_backtrace;
		3411
		3412	sub _log_backtrace {
		3413	my ($msg, @addr) = @_;
		3414
		3415	$msg =~ s/\n//;
		3416
		3417	# limit the # of concurrent backtraces
		3418	if ($_log_backtrace < 2) {
		3419	++$_log_backtrace;
		3420	async {
		3421	my @bt = fork_call {
		3422	@addr = map { sprintf "%x", $_ } @addr;
		3423	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3424	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3425	or die "addr2line: $!";
		3426
		3427	my @funcs;
		3428	my @res = <$fh>;
		3429	chomp for @res;
		3430	while (@res) {
		3431	my ($func, $line) = splice @res, 0, 2, ();
		3432	push @funcs, "[$func] $line";
		3433	}
		3434
		3435	@funcs
		3436	};
		3437
		3438	LOG llevInfo, "[ABT] $msg\n";
		3439	LOG llevInfo, "[ABT] $_\n" for @bt;
		3440	--$_log_backtrace;
		3441	};
		3442	} else {
		3443	LOG llevInfo, "[ABT] $msg\n";
		3444	LOG llevInfo, "[ABT] [suppressed]\n";
		3445	}
		3446	}
		3447
		3448	# load additional modules
		3449	use cf::pod;
		3450
2702	END { cf::emergency_save }	3451	END { cf::emergency_save }
2703		3452
2704	1	3453	1
2705		3454

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