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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.230 by root, Mon Apr 2 18:04:46 2007 UTC vs.
Revision 1.325 by root, Sat Jul 28 14:32:22 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, $msgtype, %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	package cf;	1546	=item $player->ext_msg ($type, @msg)
		1547
		1548	Sends an ext event to the client.
		1549
		1550	=cut
		1551
		1552	sub ext_msg($$@) {
		1553	my ($self, $type, @msg) = @_;
		1554
		1555	$self->ns->ext_msg ($type, @msg);
		1556	}
		1557
		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	$match
		1585	}
1144		1586
1145	=back	1587	=back
1146
1147		1588
1148	=head3 cf::map	1589	=head3 cf::map
1149		1590
1150	=over 4	1591	=over 4
1151		1592
…		…
1206	my ($self, $merge) = @_;	1647	my ($self, $merge) = @_;
1207		1648
1208	# we have to keep some variables in memory intact	1649	# we have to keep some variables in memory intact
1209	local $self->{path};	1650	local $self->{path};
1210	local $self->{load_path};	1651	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1652
1214	$self->SUPER::thawer_merge ($merge);	1653	$self->SUPER::thawer_merge ($merge);
1215	}	1654	}
1216		1655
1217	sub normalise {	1656	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1265	return $self;	1704	return $self;
1266	}	1705	}
1267	}	1706	}
1268		1707
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1709	()
1271	}	1710	}
1272		1711
1273	sub init {	1712	sub init {
1274	my ($self) = @_;	1713	my ($self) = @_;
…		…
1289		1728
1290	# the original (read-only) location	1729	# the original (read-only) location
1291	sub load_path {	1730	sub load_path {
1292	my ($self) = @_;	1731	my ($self) = @_;
1293		1732
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1733	"$MAPDIR/$self->{path}.map"
1295	}	1734	}
1296		1735
1297	# the temporary/swap location	1736	# the temporary/swap location
1298	sub save_path {	1737	sub save_path {
1299	my ($self) = @_;	1738	my ($self) = @_;
1300		1739
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1741	"$TMPDIR/$path.map"
1303	}	1742	}
1304		1743
1305	# the unique path, undef == no special unique path	1744	# the unique path, undef == no special unique path
1306	sub uniq_path {	1745	sub uniq_path {
1307	my ($self) = @_;	1746	my ($self) = @_;
1308		1747
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1749	"$UNIQUEDIR/$path"
1311	}	1750	}
1312		1751
1313	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1314	# all maps in C++...	1753	# all maps in C++...
1315	sub change_all_map_light {	1754	sub change_all_map_light {
1316	my ($change) = @_;	1755	my ($change) = @_;
1317		1756
1318	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1319	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	$self->do_decay_objects;
1320	}	1767	}
1321		1768
1322	sub unlink_save {	1769	sub unlink_save {
1323	my ($self) = @_;	1770	my ($self) = @_;
1324		1771
…		…
1382	$self->load_header_orig	1829	$self->load_header_orig
1383	or return;	1830	or return;
1384	$self->prepare_orig;	1831	$self->prepare_orig;
1385	}	1832	}
1386		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
1387	1	1840	1
1388	}	1841	}
1389		1842
1390	sub find;	1843	sub find;
1391	sub find {	1844	sub find {
…		…
1403	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1404		1857
1405	$map->load_header	1858	$map->load_header
1406	or return;	1859	or return;
1407		1860
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1862	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1863	#$cf::WAIT_FOR_TICK->wait;
1411	$map->reset;	1864	$map->reset;
1412	undef $guard;	1865	undef $guard;
1413	return find $path;	1866	return find $path;
…		…
1424	my ($self) = @_;	1877	my ($self) = @_;
1425		1878
1426	local $self->{deny_reset} = 1; # loading can take a long time	1879	local $self->{deny_reset} = 1; # loading can take a long time
1427		1880
1428	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1884	my $guard = cf::lock_acquire "map_load:$path";
1430		1885
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1432		1887
1433	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1434		1889
1435	$self->alloc;	1890	$self->alloc;
1436		1891
1437	$self->pre_load;	1892	$self->pre_load;
1438
1439	$self->_load_objects ($self->{load_path}, 1)
1440	or return;
1441
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};
1444
1445	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {
1448	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);
1450	}
1451	}
1452
1453	Coro::cede;
1454
1455	# now do the right thing for maps
1456	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;	1893	Coro::cede;
1463	$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;
1464	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1913	unless $self->difficulty;
1466	Coro::cede;	1914	Coro::cede;
		1915
		1916	unless ($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;
1467	$self->activate;	1923	$self->activate;
		1924	}
		1925
		1926	$self->{last_save} = $cf::RUNTIME;
		1927	$self->last_access ($cf::RUNTIME);
		1928
		1929	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	1930	}
1469		1931
1470	$self->post_load;	1932	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	1933	}
1474		1934
1475	sub customise_for {	1935	sub customise_for {
1476	my ($self, $ob) = @_;	1936	my ($self, $ob) = @_;
1477		1937
1478	return find "~" . $ob->name . "/" . $self->{path}	1938	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	1939	if $self->per_player;
		1940
		1941	# return find "?party/" . $ob->name . "/" . $self->{path}
		1942	# if $self->per_party;
1480		1943
1481	$self	1944	$self
1482	}	1945	}
1483		1946
1484	# find and load all maps in the 3x3 area around a map	1947	# find and load all maps in the 3x3 area around a map
…		…
1531		1994
1532	undef $MAP_PREFETCH{$path};	1995	undef $MAP_PREFETCH{$path};
1533	$MAP_PREFETCHER ||= cf::async {	1996	$MAP_PREFETCHER ||= cf::async {
1534	while (%MAP_PREFETCH) {	1997	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	1998	for my $path (keys %MAP_PREFETCH) {
1536	my $map = find $path	1999	if (my $map = find $path) {
1537	or next;
1538	$map->load;	2000	$map->load;
		2001	}
1539		2002
1540	delete $MAP_PREFETCH{$path};	2003	delete $MAP_PREFETCH{$path};
1541	}	2004	}
1542	}	2005	}
1543	undef $MAP_PREFETCHER;	2006	undef $MAP_PREFETCHER;
…		…
1595		2058
1596	sub reset_at {	2059	sub reset_at {
1597	my ($self) = @_;	2060	my ($self) = @_;
1598		2061
1599	# TODO: safety, remove and allow resettable per-player maps	2062	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2063	return 1e99 if $self->{deny_reset};
1602		2064
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2065	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2066	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2067
…		…
1616	my ($self) = @_;	2078	my ($self) = @_;
1617		2079
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2080	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2081
1620	return if $self->players;	2082	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2083
1623	warn "resetting map ", $self->path;#d#	2084	warn "resetting map ", $self->path;
1624		2085
1625	$self->in_memory (cf::MAP_SWAPPED);	2086	$self->in_memory (cf::MAP_SWAPPED);
1626		2087
1627	# need to save uniques path	2088	# need to save uniques path
1628	unless ($self->{deny_save}) {	2089	unless ($self->{deny_save}) {
…		…
1660	$cf::MAP{$self->path} = $self;	2121	$cf::MAP{$self->path} = $self;
1661		2122
1662	$self->reset; # polite request, might not happen	2123	$self->reset; # polite request, might not happen
1663	}	2124	}
1664		2125
		2126	=item $maps = cf::map::tmp_maps
		2127
		2128	Returns an arrayref with all map paths of currently instantiated and saved
		2129	maps. May block.
		2130
		2131	=cut
		2132
		2133	sub tmp_maps() {
		2134	[
		2135	map {
		2136	utf8::decode $_;
		2137	/\.map$/
		2138	? normalise $_
		2139	: ()
		2140	} @{ aio_readdir $TMPDIR or [] }
		2141	]
		2142	}
		2143
		2144	=item $maps = cf::map::random_maps
		2145
		2146	Returns an arrayref with all map paths of currently instantiated and saved
		2147	random maps. May block.
		2148
		2149	=cut
		2150
		2151	sub random_maps() {
		2152	[
		2153	map {
		2154	utf8::decode $_;
		2155	/\.map$/
		2156	? normalise "?random/$_"
		2157	: ()
		2158	} @{ aio_readdir $RANDOMDIR or [] }
		2159	]
		2160	}
		2161
1665	=item cf::map::unique_maps	2162	=item cf::map::unique_maps
1666		2163
1667	Returns an arrayref of paths of all shared maps that have	2164	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2165	instantiated unique items. May block.
1669		2166
1670	=cut	2167	=cut
1671		2168
1672	sub unique_maps() {	2169	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2170	[
1674	or return;	2171	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2172	utf8::decode $_;
1680	next if /\.pst$/;	2173	/\.map$/
1681	next unless /^$PATH_SEP/o;	2174	? normalise $_
1682		2175	: ()
1683	push @paths, cf::map::normalise $_;	2176	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2177	]
1685
1686	\@paths
1687	}	2178	}
1688		2179
1689	package cf;	2180	package cf;
1690		2181
1691	=back	2182	=back
…		…
1737		2228
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2229	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2230
1740	if ($self->{record_replies}) {	2231	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2232	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2233
1742	} else {	2234	} else {
		2235	my $pl = $self->contr;
		2236
		2237	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2238	my $dialog = $pl->{npc_dialog};
		2239	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2240
		2241	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2242	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2243	$self->message ($msg, $flags);
		2244	}
1745	}	2245	}
1746	}	2246	}
1747		2247
1748	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1749		2249
…		…
1797	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1798		2298
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2300
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1803		2303
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2305	}
1806		2306
1807	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1809		2311
1810	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1811		2313
1812	unless ($map) {	2314	unless ($map) {
1813	# restore original map position	2315	# restore original map position
…		…
1836		2338
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1839	}	2341	}
1840		2342
1841	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2344
1845	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1849	};	2349	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2350
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2351	=cut
		2352
		2353	our $GOTOGEN;
1876		2354
1877	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2356	my ($self, $path, $x, $y, $check, $done) = @_;
		2357
		2358	# do generation counting so two concurrent goto's will be executed in-order
		2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2360
1880	$self->enter_link;	2361	$self->enter_link;
1881		2362
1882	(async {	2363	(async {
1883	my $map = eval {	2364	my $map = eval {
1884	my $map = cf::map::find $path;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2368	$map = $map->customise_for ($self);
		2369	$map = $check->($map) if $check && $map;
		2370	} else {
		2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2372	}
		2373
1886	$map	2374	$map
		2375	};
		2376
		2377	if ($@) {
		2378	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2379	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2380	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2381
		2382	if ($gen == $self->{_goto_generation}) {
		2383	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1891	})->prio (1);	2388	})->prio (1);
1892	}	2389	}
1893		2390
1894	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
1895		2392
…		…
1934		2431
1935	$rmp->{random_seed} ||= $exit->random_seed;	2432	$rmp->{random_seed} ||= $exit->random_seed;
1936		2433
1937	my $data = cf::to_json $rmp;	2434	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2435	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2436	my $meta = "$RANDOMDIR/$md5.meta";
1940		2437
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2439	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2440	undef $fh;
1944	aio_rename "$meta~", $meta;	2441	aio_rename "$meta~", $meta;
…		…
1953		2450
1954	return unless $self->type == cf::PLAYER;	2451	return unless $self->type == cf::PLAYER;
1955		2452
1956	if ($exit->slaying eq "/!") {	2453	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2455	# the problem is that $exit might not survive long enough
		2456	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2457	cf::sync_job { prepare_random_map $exit };
1959	}	2458	}
1960		2459
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2461	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2462	my $sp = $exit->stats->sp;
1964		2463
1965	$self->enter_link;	2464	$self->enter_link;
		2465
		2466	# if exit is damned, update players death & WoR home-position
		2467	$self->contr->savebed ($slaying, $hp, $sp)
		2468	if $exit->flag (FLAG_DAMNED);
1966		2469
1967	(async {	2470	(async {
1968	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2472	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2473	$self->goto ($slaying, $hp, $sp);
1971		2474
1972	1;	2475	1;
1973	}) {	2476	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2477	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2478	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2479	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2480	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2481
1979	warn "ERROR in enter_exit: $@";	2482	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2483	$self->leave_link;
1981	}	2484	}
1982	})->prio (1);	2485	})->prio (1);
…		…
1998		2501
1999	utf8::encode $text;	2502	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2504	}
2002		2505
		2506	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	Send a drawinfo or msg packet to the client, formatting the msg for the
		2509	client if neccessary. C<$type> should be a string identifying the type of
		2510	the message, with C<log> being the default. If C<$color> is negative, suppress
		2511	the message unless the client supports the msg packet.
		2512
		2513	=cut
		2514
		2515	sub cf::client::send_msg {
		2516	my ($self, $channel, $msg, $color, @extra) = @_;
		2517
		2518	$msg = $self->pl->expand_cfpod ($msg);
		2519
		2520	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2521
		2522	if (ref $channel) {
		2523	# send meta info to client, if not yet sent
		2524	unless (exists $self->{channel}{$channel->{id}}) {
		2525	$self->{channel}{$channel->{id}} = $channel;
		2526	$self->ext_msg (channel_info => $channel);
		2527	}
		2528
		2529	$channel = $channel->{id};
		2530	}
		2531
		2532	return unless @extra || length $msg;
		2533
		2534	if ($self->can_msg) {
		2535	# default colour, mask it out
		2536	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2537	if $color & cf::NDI_DEF;
		2538
		2539	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2540	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2541	} else {
		2542	if ($color >= 0) {
		2543	# replace some tags by gcfclient-compatible ones
		2544	for ($msg) {
		2545	1 while
		2546	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2547	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2548	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2549	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2550	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2551	}
		2552
		2553	$color &= cf::NDI_COLOR_MASK;
		2554
		2555	if (0 && $msg =~ /\[/) {
		2556	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2557	} else {
		2558	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2559	$self->send_packet ("drawinfo $color $msg")
		2560	}
		2561	}
		2562	}
		2563	}
		2564
		2565	=item $client->ext_msg ($type, @msg)
		2566
		2567	Sends an ext event to the client.
		2568
		2569	=cut
		2570
		2571	sub cf::client::ext_msg($$@) {
		2572	my ($self, $type, @msg) = @_;
		2573
		2574	my $extcmd = $self->extcmd;
		2575
		2576	if ($extcmd == 2) {
		2577	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2578	} elsif ($extcmd == 1) { # TODO: remove
		2579	push @msg, msgtype => "event_$type";
		2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
		2582	}
2003		2583
2004	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
2005		2585
2006	Queues a query to the client, calling the given callback with	2586	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2587	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2589
2010	Queries can fail, so check the return code. Or don't, as queries will become	2590	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2591	become reliable at some point in the future.
2012		2592
2013	=cut	2593	=cut
2014		2594
2015	sub cf::client::query {	2595	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2604	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2606
2027	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
2029	}	2611	}
2030		2612
2031	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
2032	on_reply => sub {	2619	on_reply => sub {
2033	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
2034		2621
2035	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
2036	# get handled first	2623	# get handled first
…		…
2048	} else {	2635	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2637	}
2051	}	2638	}
2052	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($ns, $buf) = @_;
		2642
		2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2644
		2645	if (ref $msg) {
		2646	my ($type, $reply, @payload) =
		2647	"ARRAY" eq ref $msg
		2648	? @$msg
		2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2650
		2651	if (my $cb = $EXTICMD{$type}) {
		2652	my @reply = $cb->($ns, @payload);
		2653
		2654	$ns->ext_reply ($reply, @reply)
		2655	if $reply;
		2656	}
		2657	} else {
		2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2659	}
		2660
		2661	cf::override;
		2662	},
2053	);	2663	);
2054		2664
2055	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
2056		2666
2057	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
2106		2716
2107	=pod	2717	=pod
2108		2718
2109	The following functions and methods are available within a safe environment:	2719	The following functions and methods are available within a safe environment:
2110		2720
2111	cf::object contr pay_amount pay_player map	2721	cf::object
		2722	contr pay_amount pay_player map x y force_find force_add
		2723	insert remove
		2724
2112	cf::object::player player	2725	cf::object::player
2113	cf::player peaceful	2726	player
2114	cf::map trigger	2727
		2728	cf::player
		2729	peaceful
		2730
		2731	cf::map
		2732	trigger
2115		2733
2116	=cut	2734	=cut
2117		2735
2118	for (	2736	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	2737	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2738	insert remove)],
2120	["cf::object::player" => qw(player)],	2739	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	2740	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	2741	["cf::map" => qw(trigger)],
2123	) {	2742	) {
2124	no strict 'refs';	2743	no strict 'refs';
…		…
2195	=back	2814	=back
2196		2815
2197	=cut	2816	=cut
2198		2817
2199	#############################################################################	2818	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	2819	# the server's init and main functions
2273		2820
2274	sub load_facedata {	2821	sub load_facedata($) {
2275	my $path = sprintf "%s/facedata", cf::datadir;	2822	my ($path) = @_;
2276		2823
2277	warn "loading facedata from $path\n";	2824	warn "loading facedata from $path\n";
2278		2825
2279	my $faces;	2826	my $facedata;
2280	0 < aio_load $path, $faces	2827	0 < aio_load $path, $facedata
2281	or die "$path: $!";	2828	or die "$path: $!";
2282		2829
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	2830	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		2831
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	2832	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	2833	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		2834
		2835	{
		2836	my $faces = $facedata->{faceinfo};
		2837
2291	while (my ($face, $info) = each %$faces) {	2838	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2839	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2840	cf::face::set_visibility $idx, $info->{visibility};
		2841	cf::face::set_magicmap $idx, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2842	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2295	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2843	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2296	Coro::cede;
2297	}
2298		2844
		2845	cf::cede_to_tick;
		2846	}
		2847
2299	while (my ($face, $info) = each %$faces) {	2848	while (my ($face, $info) = each %$faces) {
2300	next unless $info->{smooth};	2849	next unless $info->{smooth};
2301	my $idx = cf::face::find $face	2850	my $idx = cf::face::find $face
2302	or next;	2851	or next;
2303	if (my $smooth = cf::face::find $info->{smooth}) {	2852	if (my $smooth = cf::face::find $info->{smooth}) {
2304	cf::face::set_smooth $idx, $smooth;	2853	cf::face::set_smooth $idx, $smooth;
		2854	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2305	} else {	2855	} else {
2306	warn "smooth face '$info->{smooth}' not found for face '$face'";	2856	warn "smooth face '$info->{smooth}' not found for face '$face'";
2307	}	2857	}
2308	Coro::cede;	2858
		2859	cf::cede_to_tick;
		2860	}
		2861	}
		2862
		2863	{
		2864	my $anims = $facedata->{animinfo};
		2865
		2866	while (my ($anim, $info) = each %$anims) {
		2867	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2868	cf::cede_to_tick;
		2869	}
		2870
		2871	cf::anim::invalidate_all; # d'oh
		2872	}
		2873
		2874	{
		2875	# TODO: for gcfclient pleasure, we should give resources
		2876	# that gcfclient doesn't grok a >10000 face index.
		2877	my $res = $facedata->{resource};
		2878	my $enc = JSON::XS->new->utf8->canonical;
		2879
		2880	my $soundconf = delete $res->{"res/sound.conf"};
		2881
		2882	while (my ($name, $info) = each %$res) {
		2883	my $meta = $enc->encode ({
		2884	name => $name,
		2885	%{ $info->{meta} || {} },
		2886	});
		2887
		2888	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2889
		2890	if ($info->{type} & 1) {
		2891	# prepend meta info
		2892
		2893	my $data = pack "(w/a*)*", $meta, $info->{data};
		2894	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2895
		2896	cf::face::set_data $idx, 0, $data, $chk;
		2897	} else {
		2898	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2899	}
		2900
		2901	cf::face::set_type $idx, $info->{type};
		2902
		2903	cf::cede_to_tick;
		2904	}
		2905
		2906	if ($soundconf) {
		2907	$soundconf = $enc->decode (delete $soundconf->{data});
		2908
		2909	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2910	my $sound = $soundconf->{compat}[$_]
		2911	or next;
		2912
		2913	my $face = cf::face::find "sound/$sound->[1]";
		2914
		2915	cf::sound::set $sound->[0] => $face;
		2916	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2917	}
		2918
		2919	#TODO
		2920	}
2309	}	2921	}
2310		2922
2311	1	2923	1
2312	}	2924	}
2313		2925
		2926	register_exticmd fx_want => sub {
		2927	my ($ns, $want) = @_;
		2928
		2929	while (my ($k, $v) = each %$want) {
		2930	$ns->fx_want ($k, $v);
		2931	}
		2932	};
		2933
		2934	sub reload_regions {
		2935	load_resource_file "$MAPDIR/regions"
		2936	or die "unable to load regions file\n";
		2937
		2938	for (cf::region::list) {
		2939	$_->{match} = qr/$_->{match}/
		2940	if exists $_->{match};
		2941	}
		2942	}
		2943
		2944	sub reload_facedata {
		2945	load_facedata "$DATADIR/facedata"
		2946	or die "unable to load facedata\n";
		2947	}
		2948
		2949	sub reload_archetypes {
		2950	load_resource_file "$DATADIR/archetypes"
		2951	or die "unable to load archetypes\n";
		2952	#d# NEED to laod twice to resolve forward references
		2953	# this really needs to be done in an extra post-pass
		2954	# (which needs to be synchronous, so solve it differently)
		2955	load_resource_file "$DATADIR/archetypes"
		2956	or die "unable to load archetypes\n";
		2957	}
		2958
		2959	sub reload_treasures {
		2960	load_resource_file "$DATADIR/treasures"
		2961	or die "unable to load treasurelists\n";
		2962	}
		2963
2314	sub reload_resources {	2964	sub reload_resources {
2315	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2965	warn "reloading resource files...\n";
2316	or die "unable to load regions file\n";#d#	2966
		2967	reload_regions;
2317	load_facedata	2968	reload_facedata;
2318	or die "unable to load facedata\n";#d#	2969	#reload_archetypes;#d#
		2970	reload_archetypes;
		2971	reload_treasures;
		2972
		2973	warn "finished reloading resource files\n";
2319	}	2974	}
2320		2975
2321	sub init {	2976	sub init {
2322	reload_resources;	2977	reload_resources;
2323	}	2978	}
2324		2979
2325	sub cfg_load {	2980	sub cfg_load {
2326	open my $fh, "<:utf8", cf::confdir . "/config"	2981	open my $fh, "<:utf8", "$CONFDIR/config"
2327	or return;	2982	or return;
2328		2983
2329	local $/;	2984	local $/;
2330	*CFG = YAML::Syck::Load <$fh>;	2985	*CFG = YAML::Syck::Load <$fh>;
2331		2986
…		…
2376	},	3031	},
2377	);	3032	);
2378	}	3033	}
2379	}	3034	}
2380		3035
		3036	sub write_runtime {
		3037	my $runtime = "$LOCALDIR/runtime";
		3038
		3039	# first touch the runtime file to show we are still running:
		3040	# the fsync below can take a very very long time.
		3041
		3042	IO::AIO::aio_utime $runtime, undef, undef;
		3043
		3044	my $guard = cf::lock_acquire "write_runtime";
		3045
		3046	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3047	or return;
		3048
		3049	my $value = $cf::RUNTIME + 90 + 10;
		3050	# 10 is the runtime save interval, for a monotonic clock
		3051	# 60 allows for the watchdog to kill the server.
		3052
		3053	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3054	and return;
		3055
		3056	# always fsync - this file is important
		3057	aio_fsync $fh
		3058	and return;
		3059
		3060	# touch it again to show we are up-to-date
		3061	aio_utime $fh, undef, undef;
		3062
		3063	close $fh
		3064	or return;
		3065
		3066	aio_rename "$runtime~", $runtime
		3067	and return;
		3068
		3069	warn "runtime file written.\n";
		3070
		3071	1
		3072	}
		3073
2381	sub emergency_save() {	3074	sub emergency_save() {
2382	my $freeze_guard = cf::freeze_mainloop;	3075	my $freeze_guard = cf::freeze_mainloop;
2383		3076
2384	warn "enter emergency perl save\n";	3077	warn "enter emergency perl save\n";
2385		3078
…		…
2416		3109
2417	warn Carp::longmess "post_cleanup backtrace"	3110	warn Carp::longmess "post_cleanup backtrace"
2418	if $make_core;	3111	if $make_core;
2419	}	3112	}
2420		3113
2421	sub reload() {	3114	sub do_reload_perl() {
2422	# can/must only be called in main	3115	# can/must only be called in main
2423	if ($Coro::current != $Coro::main) {	3116	if ($Coro::current != $Coro::main) {
2424	warn "can only reload from main coroutine";	3117	warn "can only reload from main coroutine";
2425	return;	3118	return;
2426	}	3119	}
…		…
2460	%EXT_CORO = ();	3153	%EXT_CORO = ();
2461		3154
2462	warn "removing commands";	3155	warn "removing commands";
2463	%COMMAND = ();	3156	%COMMAND = ();
2464		3157
2465	warn "removing ext commands";	3158	warn "removing ext/exti commands";
2466	%EXTCMD = ();	3159	%EXTCMD = ();
		3160	%EXTICMD = ();
2467		3161
2468	warn "unloading/nuking all extensions";	3162	warn "unloading/nuking all extensions";
2469	for my $pkg (@EXTS) {	3163	for my $pkg (@EXTS) {
2470	warn "... unloading $pkg";	3164	warn "... unloading $pkg";
2471		3165
…		…
2501	Symbol::delete_package "safe::$_"	3195	Symbol::delete_package "safe::$_"
2502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3196	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2503		3197
2504	warn "unloading cf.pm \"a bit\"";	3198	warn "unloading cf.pm \"a bit\"";
2505	delete $INC{"cf.pm"};	3199	delete $INC{"cf.pm"};
		3200	delete $INC{"cf/pod.pm"};
2506		3201
2507	# don't, removes xs symbols, too,	3202	# don't, removes xs symbols, too,
2508	# and global variables created in xs	3203	# and global variables created in xs
2509	#Symbol::delete_package __PACKAGE__;	3204	#Symbol::delete_package __PACKAGE__;
2510		3205
…		…
2525	warn "reattaching attachments to maps";	3220	warn "reattaching attachments to maps";
2526	reattach $_ for values %MAP;	3221	reattach $_ for values %MAP;
2527	warn "reattaching attachments to players";	3222	warn "reattaching attachments to players";
2528	reattach $_ for values %PLAYER;	3223	reattach $_ for values %PLAYER;
2529		3224
2530	warn "loading reloadable resources";
2531	reload_resources;
2532
2533	warn "leaving sync_job";	3225	warn "leaving sync_job";
2534		3226
2535	1	3227	1
2536	} or do {	3228	} or do {
2537	warn $@;	3229	warn $@;
…		…
2542	warn "reloaded";	3234	warn "reloaded";
2543	};	3235	};
2544		3236
2545	our $RELOAD_WATCHER; # used only during reload	3237	our $RELOAD_WATCHER; # used only during reload
2546		3238
		3239	sub reload_perl() {
		3240	# doing reload synchronously and two reloads happen back-to-back,
		3241	# coro crashes during coro_state_free->destroy here.
		3242
		3243	$RELOAD_WATCHER ||= Event->timer (
		3244	reentrant => 0,
		3245	after => 0,
		3246	data => WF_AUTOCANCEL,
		3247	cb => sub {
		3248	do_reload_perl;
		3249	undef $RELOAD_WATCHER;
		3250	},
		3251	);
		3252	}
		3253
2547	register_command "reload" => sub {	3254	register_command "reload" => sub {
2548	my ($who, $arg) = @_;	3255	my ($who, $arg) = @_;
2549		3256
2550	if ($who->flag (FLAG_WIZ)) {	3257	if ($who->flag (FLAG_WIZ)) {
2551	$who->message ("reloading server.");	3258	$who->message ("reloading server.");
2552		3259	async { reload_perl };
2553	# doing reload synchronously and two reloads happen back-to-back,
2554	# coro crashes during coro_state_free->destroy here.
2555
2556	$RELOAD_WATCHER ||= Event->timer (
2557	reentrant => 0,
2558	after => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => sub {
2561	reload;
2562	undef $RELOAD_WATCHER;
2563	},
2564	);
2565	}	3260	}
2566	};	3261	};
2567		3262
2568	unshift @INC, $LIBDIR;	3263	unshift @INC, $LIBDIR;
2569		3264
2570	my $bug_warning = 0;	3265	my $bug_warning = 0;
2571		3266
		3267	our @WAIT_FOR_TICK;
		3268	our @WAIT_FOR_TICK_BEGIN;
		3269
		3270	sub wait_for_tick {
		3271	return unless $TICK_WATCHER->is_active;
		3272	return if $Coro::current == $Coro::main;
		3273
		3274	my $signal = new Coro::Signal;
		3275	push @WAIT_FOR_TICK, $signal;
		3276	$signal->wait;
		3277	}
		3278
		3279	sub wait_for_tick_begin {
		3280	return unless $TICK_WATCHER->is_active;
		3281	return if $Coro::current == $Coro::main;
		3282
		3283	my $signal = new Coro::Signal;
		3284	push @WAIT_FOR_TICK_BEGIN, $signal;
		3285	$signal->wait;
		3286	}
		3287
		3288	my $min = 1e6;#d#
		3289	my $avg = 10;
2572	$TICK_WATCHER = Event->timer (	3290	$TICK_WATCHER = Event->timer (
2573	reentrant => 0,	3291	reentrant => 0,
2574	parked => 1,	3292	parked => 1,
2575	prio => 0,	3293	prio => 0,
2576	at => $NEXT_TICK || $TICK,	3294	at => $NEXT_TICK || $TICK,
…		…
2580	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3298	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2581	unless ++$bug_warning > 10;	3299	unless ++$bug_warning > 10;
2582	return;	3300	return;
2583	}	3301	}
2584		3302
2585	$NOW = Event::time;	3303	$NOW = $tick_start = Event::time;
2586		3304
2587	cf::server_tick; # one server iteration	3305	cf::server_tick; # one server iteration
		3306
		3307	0 && sync_job {#d#
		3308	for(1..10) {
		3309	my $t = Event::time;
		3310	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3311	or die;
		3312
		3313	$map->width (50);
		3314	$map->height (50);
		3315	$map->alloc;
		3316	$map->_load_objects ("/tmp/x.map", 1);
		3317	my $t = Event::time - $t;
		3318
		3319	#next unless $t < 0.0013;#d#
		3320	if ($t < $min) {
		3321	$min = $t;
		3322	}
		3323	$avg = $avg * 0.99 + $t * 0.01;
		3324	}
		3325	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3326	exit 0;
		3327	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3328	};
		3329
2588	$RUNTIME += $TICK;	3330	$RUNTIME += $TICK;
2589	$NEXT_TICK += $TICK;	3331	$NEXT_TICK += $TICK;
2590		3332
2591	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3333	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2592	$NEXT_RUNTIME_WRITE = $NOW + 10;	3334	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2594	write_runtime	3336	write_runtime
2595	or warn "ERROR: unable to write runtime file: $!";	3337	or warn "ERROR: unable to write runtime file: $!";
2596	};	3338	};
2597	}	3339	}
2598		3340
2599	$WAIT_FOR_TICK->broadcast;
2600	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2601
2602	# my $AFTER = Event::time;	3341	# my $AFTER = Event::time;
2603	# warn $AFTER - $NOW;#d#	3342	# warn $AFTER - $NOW;#d#
2604		3343
		3344	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3345	$sig->send;
		3346	}
		3347	while (my $sig = shift @WAIT_FOR_TICK) {
		3348	$sig->send;
		3349	}
		3350
		3351	$NOW = Event::time;
		3352
2605	# if we are delayed by four ticks or more, skip them all	3353	# if we are delayed by four ticks or more, skip them all
2606	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3354	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2607		3355
2608	$TICK_WATCHER->at ($NEXT_TICK);	3356	$TICK_WATCHER->at ($NEXT_TICK);
2609	$TICK_WATCHER->start;	3357	$TICK_WATCHER->start;
		3358
		3359	$LOAD = ($NOW - $tick_start) / $TICK;
		3360	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3361
		3362	_post_tick;
		3363
		3364
2610	},	3365	},
2611	);	3366	);
2612		3367
2613	{	3368	{
2614	BDB::max_poll_time $TICK * 0.1;	3369	BDB::max_poll_time $TICK * 0.1;
…		…
2642		3397
2643	cf::sync_job {	3398	cf::sync_job {
2644	eval {	3399	eval {
2645	BDB::db_env_open	3400	BDB::db_env_open
2646	$DB_ENV,	3401	$DB_ENV,
2647	$BDB_ENV_DIR,	3402	$BDBDIR,
2648	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3403	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2649	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3404	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2650	0666;	3405	0666;
2651		3406
2652	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3407	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2653		3408
2654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3409	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2655	$DB_ENV->set_lk_detect;	3410	$DB_ENV->set_lk_detect;
2656	};	3411	};
2657		3412
…		…
2673	prio => 6,	3428	prio => 6,
2674	cb => \&IO::AIO::poll_cb,	3429	cb => \&IO::AIO::poll_cb,
2675	);	3430	);
2676	}	3431	}
2677		3432
		3433	my $_log_backtrace;
		3434
		3435	sub _log_backtrace {
		3436	my ($msg, @addr) = @_;
		3437
		3438	$msg =~ s/\n//;
		3439
		3440	# limit the # of concurrent backtraces
		3441	if ($_log_backtrace < 2) {
		3442	++$_log_backtrace;
		3443	async {
		3444	my @bt = fork_call {
		3445	@addr = map { sprintf "%x", $_ } @addr;
		3446	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3447	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3448	or die "addr2line: $!";
		3449
		3450	my @funcs;
		3451	my @res = <$fh>;
		3452	chomp for @res;
		3453	while (@res) {
		3454	my ($func, $line) = splice @res, 0, 2, ();
		3455	push @funcs, "[$func] $line";
		3456	}
		3457
		3458	@funcs
		3459	};
		3460
		3461	LOG llevInfo, "[ABT] $msg\n";
		3462	LOG llevInfo, "[ABT] $_\n" for @bt;
		3463	--$_log_backtrace;
		3464	};
		3465	} else {
		3466	LOG llevInfo, "[ABT] $msg\n";
		3467	LOG llevInfo, "[ABT] [suppressed]\n";
		3468	}
		3469	}
		3470
		3471	# load additional modules
		3472	use cf::pod;
		3473
2678	END { cf::emergency_save }	3474	END { cf::emergency_save }
2679		3475
2680	1	3476	1
2681		3477

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