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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.236 by root, Thu Apr 12 14:18:05 2007 UTC vs.
Revision 1.335 by root, Mon Aug 20 22:21:48 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.64 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
21		25
		26	use JSON::XS 1.4 ();
22	use BDB ();	27	use BDB ();
23	use Data::Dumper;	28	use Data::Dumper;
24	use Digest::MD5;	29	use Digest::MD5;
25	use Fcntl;	30	use Fcntl;
26	use YAML::Syck ();	31	use YAML::Syck ();
27	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
28	use Time::HiRes;	33	use Time::HiRes;
29	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
30		36
31	# configure various modules to our taste	37	# configure various modules to our taste
32	#	38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		42
36	$Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
37		44
…		…
45	our %COMMAND = ();	52	our %COMMAND = ();
46	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
47		54
48	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
52		60
53	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
54	our @EVENT;	62	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		63
57	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58	our $TICK_WATCHER;	77	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	80	our $NEXT_TICK;
62	our $NOW;	81	our $NOW;
…		…
71	our $RUNTIME;	90	our $RUNTIME;
72		91
73	our %PLAYER; # all users	92	our %PLAYER; # all users
74	our %MAP; # all maps	93	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	94	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		95
82	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
85	binmode STDOUT;	103	binmode STDOUT;
86	binmode STDERR;	104	binmode STDERR;
87		105
88	# read virtual server time, if available	106	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
93	}	111	}
94		112
95	mkdir cf::localdir;	113	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	114	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		115
102	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
103		117
104	sub cf::map::normalise;	118	sub cf::map::normalise;
105		119
…		…
116	=item $cf::RUNTIME	130	=item $cf::RUNTIME
117		131
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	133	every server tick.
120		134
121	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		138
123	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
125		143
126	=item $cf::NOW	144	=item $cf::NOW
127		145
128	The time of the last (current) server tick.	146	The time of the last (current) server tick.
129		147
130	=item $cf::TICK	148	=item $cf::TICK
131		149
132	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
133		161
134	=item %cf::CFG	162	=item %cf::CFG
135		163
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	165	from wherever your confdir points to.
138		166
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		168
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
145		178
146	=back	179	=back
147		180
148	=cut	181	=cut
149		182
150	BEGIN {	183	BEGIN {
151	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	185	my $msg = join "", @_;
153	utf8::encode $msg;
154		186
155	$msg .= "\n"	187	$msg .= "\n"
156	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
157		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
158	LOG llevError, $msg;	193	LOG llevError, $msg;
159	};	194	};
160	}	195	}
161		196
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		204
169	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	206	# within the Safe compartment.
171	for my $pkg (qw(	207	for my $pkg (qw(
172	cf::global cf::attachable	208	cf::global cf::attachable
…		…
180	}	216	}
181		217
182	$Event::DIED = sub {	218	$Event::DIED = sub {
183	warn "error in event callback: @_";	219	warn "error in event callback: @_";
184	};	220	};
		221
		222	#############################################################################
185		223
186	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
187		225
188	=over 4	226	=over 4
189		227
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	247	$d
210	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
211	}	249	}
212		250
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
216		252
217	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
218		254
219	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
220		256
221	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
222		265
223	=item cf::lock_wait $string	266	=item cf::lock_wait $string
224		267
225	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
226		269
…		…
232	returned.	275	returned.
233		276
234	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
236		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
237	=cut	284	=cut
238		285
239	our %LOCK;	286	our %LOCK;
240		287
241	sub lock_wait($) {	288	sub lock_wait($) {
…		…
258		305
259	Coro::guard {	306	Coro::guard {
260	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
262	}	309	}
		310	}
		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
263	}	316	}
264		317
265	sub freeze_mainloop {	318	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
267		320
…		…
270	};	323	};
271	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
272	$guard	325	$guard
273	}	326	}
274		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
		382	}
		383
275	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
276		385
277	Currently the same as Coro::async_pool, meaning you cannot use	386	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	387	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.	388	thing you are allowed to do is call C<prio> on it.
…		…
282		391
283	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
284		393
285	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
286		395
287	The design of crossfire+ requires that the main coro ($Coro::main) is	396	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	397	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.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
290		400
291	If it must be done, put the blocking parts into C<sync_job>. This will run	401	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	402	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	403	server will be frozen during this time, so the block should either finish
294	fast or be very important.	404	fast or be very important.
…		…
297		407
298	sub sync_job(&) {	408	sub sync_job(&) {
299	my ($job) = @_;	409	my ($job) = @_;
300		410
301	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
302	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
304		416
305	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
317		429
318	while ($busy) {	430	while ($busy) {
319	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
320	}	432	}
321		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
322	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
323	} else {	442	} else {
324	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
325		444
326	$job->()	445	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
346		465
347	$coro	466	$coro
348	}	467	}
349		468
350	sub write_runtime {	469	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		470
353	my $runtime = cf::localdir . "/runtime";	471	Executes the given code block with the given arguments in a seperate
		472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
354		475
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	476	=cut
356	or return;
357		477
358	my $value = $cf::RUNTIME + 90 + 10;	478	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	479	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		480
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	# we seemingly have to make a local copy of the whole thing,
363	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
364		484
365	# always fsync - this file is important	485	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	486	reset_signals;
367	and return;	487	&$cb
		488	}, @args;
368		489
369	close $fh	490	wantarray ? @res : $res[-1]
370	or return;	491	}
371		492
372	aio_rename "$runtime~", $runtime	493	=item $value = cf::db_get $family => $key
373	and return;
374		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
375	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
376	}	607	}
377		608
378	=item cf::datalog type => key => value, ...	609	=item cf::datalog type => key => value, ...
379		610
380	Log a datalog packet of the given type with the given key-value pairs.	611	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")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
400		631
401	In the following description, CLASS can be any of C<global>, C<object>	632	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	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	634	Crossfire TRT).
404		635
405	=over 4	636	=over 4
406		637
407	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
408		639
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
572		803
573	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		808
578	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	810	my $pkg = shift @arg;
580		811
581	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
611	}	842	}
612		843
613	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
614	} else {	845	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	847	}
617		848
618	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
619	}	850	}
620		851
…		…
622	if (ref $_[0]) {	853	if (ref $_[0]) {
623	_object_attach @_;	854	_object_attach @_;
624	} else {	855	} else {
625	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
626	}	857	}
		858	_recalc_want;
627	};	859	};
628		860
629	# all those should be optimised	861	# all those should be optimised
630	sub cf::attachable::detach {	862	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
635	reattach ($obj);	867	reattach ($obj);
636	} else {	868	} else {
637	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
638	}	870	}
		871	_recalc_want;
639	};	872	};
640		873
641	sub cf::attachable::attached {	874	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
643		876
…		…
658	";	891	";
659	die if $@;	892	die if $@;
660	}	893	}
661		894
662	our $override;	895	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		897
665	sub override {	898	sub override {
666	$override = 1;	899	$override = 1;
667	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
668	}	901	}
669		902
670	sub do_invoke {	903	sub do_invoke {
671	my $event = shift;	904	my $event = shift;
672	my $callbacks = shift;	905	my $callbacks = shift;
673		906
674	@invoke_results = ();	907	@INVOKE_RESULTS = ();
675		908
676	local $override;	909	local $override;
677		910
678	for (@$callbacks) {	911	for (@$callbacks) {
679	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
696		929
697	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
698		931
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	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	933	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		935
703	=back	936	=back
704		937
705	=cut	938	=cut
706		939
707	#############################################################################	940	#############################################################################
708	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
709		953
710	sub reattach {	954	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	956	my ($obj) = @_;
713		957
…		…
816	or return;	1060	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1062	}
819		1063
820	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1066	return ($data, $av);
823	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
824		1074
825	#############################################################################	1075	#############################################################################
826	# command handling &c	1076	# command handling &c
827		1077
828	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1092	}
843		1093
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1095
846	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
847		1101
848	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
849	called.	1103	called.
850		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
851	=cut	1116	=cut
852		1117
853	sub register_extcmd {	1118	sub register_extcmd {
854	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
855		1120
856	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
857	}	1128	}
858		1129
859	cf::player->attach (	1130	cf::player->attach (
860	on_command => sub {	1131	on_command => sub {
861	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1141	cf::override;
871	},	1142	},
872	on_extcmd => sub {	1143	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
874		1145
875	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1147
877	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
880	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
881	}	1158	if $reply;
882	}	1159	}
883	} else {	1160	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1162	}
886		1163
887	cf::override;	1164	cf::override;
888	},	1165	},
889	);	1166	);
890		1167
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 {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
926	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1173	next unless -r $path;
928	eval {	1174
929	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
930	1	1232	}
931	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
932	}	1238	};
933	}	1239	}
934		1240
935	#############################################################################	1241	#############################################################################
936		1242
		1243	=back
		1244
937	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
938		1246
939	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
940		1248
941	=cut	1249	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
954		1262
955	=cut	1263	=cut
956		1264
957	sub playerdir($) {	1265	sub playerdir($) {
958	cf::localdir	1266	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1268	}
964		1269
965	sub path($) {	1270	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1030	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1031		1336
1032	$self	1337	$self
1033	}	1338	}
1034		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1035	=item $pl->quit_character	1350	=item $pl->quit_character
1036		1351
1037	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1038	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1039		1354
…		…
1086	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1087		1402
1088	=cut	1403	=cut
1089		1404
1090	sub list_logins {	1405	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1407	or return [];
1093		1408
1094	my @logins;	1409	my @logins;
1095		1410
1096	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1131	}	1446	}
1132		1447
1133	\@paths	1448	\@paths
1134	}	1449	}
1135		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1136	=item $player->ext_reply ($msgid, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1137		1502
1138	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1139		1504
1140	=cut	1505	=cut
1141		1506
1142	sub ext_reply($$%) {	1507	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1144		1509
1145	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1146		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1147	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1148	}	1517	}
1149		1518
1150	=item $player->ext_event ($type, %msg)	1519	=item $player->ext_msg ($type, @msg)
1151		1520
1152	Sends an ext event to the client.	1521	Sends an ext event to the client.
1153		1522
1154	=cut	1523	=cut
1155		1524
1156	sub ext_event($$%) {	1525	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1526	my ($self, $type, @msg) = @_;
1158		1527
1159	$self->ns->ext_event ($type, %msg);	1528	$self->ns->ext_msg ($type, @msg);
1160	}	1529	}
1161		1530
1162	package cf;	1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1163		1559
1164	=back	1560	=back
1165
1166		1561
1167	=head3 cf::map	1562	=head3 cf::map
1168		1563
1169	=over 4	1564	=over 4
1170		1565
…		…
1225	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1226		1621
1227	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1228	local $self->{path};	1623	local $self->{path};
1229	local $self->{load_path};	1624	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1625
1233	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1234	}	1627	}
1235		1628
1236	sub normalise {	1629	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1284	return $self;	1677	return $self;
1285	}	1678	}
1286	}	1679	}
1287		1680
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1682	()
1290	}	1683	}
1291		1684
1292	sub init {	1685	sub init {
1293	my ($self) = @_;	1686	my ($self) = @_;
…		…
1308		1701
1309	# the original (read-only) location	1702	# the original (read-only) location
1310	sub load_path {	1703	sub load_path {
1311	my ($self) = @_;	1704	my ($self) = @_;
1312		1705
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1314	}	1707	}
1315		1708
1316	# the temporary/swap location	1709	# the temporary/swap location
1317	sub save_path {	1710	sub save_path {
1318	my ($self) = @_;	1711	my ($self) = @_;
1319		1712
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1322	}	1715	}
1323		1716
1324	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1325	sub uniq_path {	1718	sub uniq_path {
1326	my ($self) = @_;	1719	my ($self) = @_;
1327		1720
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1330	}	1723	}
1331		1724
1332	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1333	# all maps in C++...	1726	# all maps in C++...
1334	sub change_all_map_light {	1727	sub change_all_map_light {
1335	my ($change) = @_;	1728	my ($change) = @_;
1336		1729
1337	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1338	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
		1732	}
		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
1339	}	1740	}
1340		1741
1341	sub unlink_save {	1742	sub unlink_save {
1342	my ($self) = @_;	1743	my ($self) = @_;
1343		1744
…		…
1401	$self->load_header_orig	1802	$self->load_header_orig
1402	or return;	1803	or return;
1403	$self->prepare_orig;	1804	$self->prepare_orig;
1404	}	1805	}
1405		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
		1812
1406	1	1813	1
1407	}	1814	}
1408		1815
1409	sub find;	1816	sub find;
1410	sub find {	1817	sub find {
…		…
1422	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1423		1830
1424	$map->load_header	1831	$map->load_header
1425	or return;	1832	or return;
1426		1833
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1430	$map->reset;	1837	$map->reset;
1431	undef $guard;	1838	undef $guard;
1432	return find $path;	1839	return find $path;
…		…
1443	my ($self) = @_;	1850	my ($self) = @_;
1444		1851
1445	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1446		1853
1447	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1448	my $guard = cf::lock_acquire "map_load:$path";	1857	my $guard = cf::lock_acquire "map_load:$path";
1449		1858
1450	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1451		1860
1452	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1453		1862
1454	$self->alloc;	1863	$self->alloc;
1455		1864
1456	$self->pre_load;	1865	$self->pre_load;
1457
1458	$self->_load_objects ($self->{load_path}, 1)
1459	or return;
1460
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1462	if delete $self->{load_original};
1463
1464	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {
1467	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);
1469	}
1470	}
1471
1472	Coro::cede;
1473
1474	# now do the right thing for maps
1475	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;	1866	Coro::cede;
1482	$self->set_darkness_map;	1867
		1868	$self->_load_objects ($self->{load_path}, 1)
		1869	or return;
		1870
		1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1872	if delete $self->{load_original};
		1873
		1874	if (my $uniq = $self->uniq_path) {
		1875	utf8::encode $uniq;
		1876	if (aio_open $uniq, O_RDONLY, 0) {
		1877	$self->clear_unique_items;
		1878	$self->_load_objects ($uniq, 0);
		1879	}
		1880	}
		1881
		1882	Coro::cede;
		1883	# now do the right thing for maps
		1884	$self->link_multipart_objects;
1483	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	1886	unless $self->difficulty;
1485	Coro::cede;	1887	Coro::cede;
		1888
		1889	unless ($self->{deny_activate}) {
		1890	$self->decay_objects;
		1891	$self->fix_auto_apply;
		1892	$self->update_buttons;
		1893	Coro::cede;
		1894	$self->set_darkness_map;
		1895	Coro::cede;
1486	$self->activate;	1896	$self->activate;
		1897	}
		1898
		1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
		1901
		1902	$self->in_memory (cf::MAP_IN_MEMORY);
1487	}	1903	}
1488		1904
1489	$self->post_load;	1905	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	1906	}
1493		1907
1494	sub customise_for {	1908	sub customise_for {
1495	my ($self, $ob) = @_;	1909	my ($self, $ob) = @_;
1496		1910
1497	return find "~" . $ob->name . "/" . $self->{path}	1911	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	1912	if $self->per_player;
1499		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
1500	$self	1917	$self
1501	}	1918	}
1502		1919
1503	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	1921	sub load_neighbours {
1505	my ($map) = @_;	1922	my ($map) = @_;
1506		1923
1507	my @diag; # diagonal neighbours	1924	my @neigh; # diagonal neighbours
1508		1925
1509	for (0 .. 3) {	1926	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	1927	my $neigh = $map->tile_path ($_)
1511	or next;	1928	or next;
1512	$neigh = find $neigh, $map	1929	$neigh = find $neigh, $map
1513	or next;	1930	or next;
1514	$neigh->load;	1931	$neigh->load;
1515		1932
		1933	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	1936	}
1519		1937
1520	for (@diag) {	1938	for (grep defined $_->[0], @neigh) {
		1939	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	1940	my $neigh = find $path, $origin
1522	or next;	1941	or next;
1523	$neigh->load;	1942	$neigh->load;
1524	}	1943	}
1525	}	1944	}
1526		1945
…		…
1550		1969
1551	undef $MAP_PREFETCH{$path};	1970	undef $MAP_PREFETCH{$path};
1552	$MAP_PREFETCHER ||= cf::async {	1971	$MAP_PREFETCHER ||= cf::async {
1553	while (%MAP_PREFETCH) {	1972	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	1973	for my $path (keys %MAP_PREFETCH) {
1555	my $map = find $path	1974	if (my $map = find $path) {
1556	or next;
1557	$map->load;	1975	$map->load;
		1976	}
1558		1977
1559	delete $MAP_PREFETCH{$path};	1978	delete $MAP_PREFETCH{$path};
1560	}	1979	}
1561	}	1980	}
1562	undef $MAP_PREFETCHER;	1981	undef $MAP_PREFETCHER;
…		…
1614		2033
1615	sub reset_at {	2034	sub reset_at {
1616	my ($self) = @_;	2035	my ($self) = @_;
1617		2036
1618	# TODO: safety, remove and allow resettable per-player maps	2037	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2038	return 1e99 if $self->{deny_reset};
1621		2039
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2040	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2041	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2042
…		…
1635	my ($self) = @_;	2053	my ($self) = @_;
1636		2054
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2055	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2056
1639	return if $self->players;	2057	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2058
1642	warn "resetting map ", $self->path;#d#	2059	warn "resetting map ", $self->path;
1643		2060
1644	$self->in_memory (cf::MAP_SWAPPED);	2061	$self->in_memory (cf::MAP_SWAPPED);
1645		2062
1646	# need to save uniques path	2063	# need to save uniques path
1647	unless ($self->{deny_save}) {	2064	unless ($self->{deny_save}) {
…		…
1679	$cf::MAP{$self->path} = $self;	2096	$cf::MAP{$self->path} = $self;
1680		2097
1681	$self->reset; # polite request, might not happen	2098	$self->reset; # polite request, might not happen
1682	}	2099	}
1683		2100
		2101	=item $maps = cf::map::tmp_maps
		2102
		2103	Returns an arrayref with all map paths of currently instantiated and saved
		2104	maps. May block.
		2105
		2106	=cut
		2107
		2108	sub tmp_maps() {
		2109	[
		2110	map {
		2111	utf8::decode $_;
		2112	/\.map$/
		2113	? normalise $_
		2114	: ()
		2115	} @{ aio_readdir $TMPDIR or [] }
		2116	]
		2117	}
		2118
		2119	=item $maps = cf::map::random_maps
		2120
		2121	Returns an arrayref with all map paths of currently instantiated and saved
		2122	random maps. May block.
		2123
		2124	=cut
		2125
		2126	sub random_maps() {
		2127	[
		2128	map {
		2129	utf8::decode $_;
		2130	/\.map$/
		2131	? normalise "?random/$_"
		2132	: ()
		2133	} @{ aio_readdir $RANDOMDIR or [] }
		2134	]
		2135	}
		2136
1684	=item cf::map::unique_maps	2137	=item cf::map::unique_maps
1685		2138
1686	Returns an arrayref of paths of all shared maps that have	2139	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2140	instantiated unique items. May block.
1688		2141
1689	=cut	2142	=cut
1690		2143
1691	sub unique_maps() {	2144	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2145	[
1693	or return;	2146	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2147	utf8::decode $_;
1699	next if /\.pst$/;	2148	/\.map$/
1700	next unless /^$PATH_SEP/o;	2149	? normalise $_
1701		2150	: ()
1702	push @paths, cf::map::normalise $_;	2151	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2152	]
1704
1705	\@paths
1706	}	2153	}
1707		2154
1708	package cf;	2155	package cf;
1709		2156
1710	=back	2157	=back
…		…
1756		2203
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2204	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2205
1759	if ($self->{record_replies}) {	2206	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2207	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2208
1761	} else {	2209	} else {
		2210	my $pl = $self->contr;
		2211
		2212	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2213	my $dialog = $pl->{npc_dialog};
		2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2215
		2216	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2217	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2218	$self->message ($msg, $flags);
		2219	}
1764	}	2220	}
		2221	}
		2222
		2223	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2224
		2225	=cut
		2226
		2227	sub cf::object::send_msg {
		2228	my $pl = shift->contr
		2229	or return;
		2230	$pl->send_msg (@_);
1765	}	2231	}
1766		2232
1767	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1768		2234
1769	Returns wether the given player is authorized to access resource "access"	2235	Returns wether the given player is authorized to access resource "access"
…		…
1816	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1817		2283
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2285
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1822		2288
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2290	}
1825		2291
1826	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1828		2296
1829	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1830		2298
1831	unless ($map) {	2299	unless ($map) {
1832	# restore original map position	2300	# restore original map position
…		…
1846	# use -1 or undef as default coordinates, not 0, 0	2314	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2315	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2316	if $x <=0 && $y <= 0;
1849		2317
1850	$map->load;	2318	$map->load;
1851	$map->load_diag;	2319	$map->load_neighbours;
1852		2320
1853	return unless $self->contr->active;	2321	return unless $self->contr->active;
1854	$self->activate_recursive;	2322	$self->activate_recursive;
1855		2323
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1858	}	2326	}
1859		2327
1860	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861	on_logout => sub {
1862	my ($pl) = @_;
1863		2329
1864	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1865	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1866	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1867	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1868	};	2334	be called at the end of this process.
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2335
1874	# try to abort aborted map switching on player login :)
1875	# should happen only on crashes
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891
1892	=item $player_object->goto ($path, $x, $y)
1893
1894	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1895		2339
1896	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2345
1899	$self->enter_link;	2346	$self->enter_link;
1900		2347
1901	(async {	2348	(async {
1902	my $map = eval {	2349	my $map = eval {
1903	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
		2354	$map = $check->($map) if $check && $map;
		2355	} else {
		2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
		2358
1905	$map	2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2365	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1910	})->prio (1);	2373	})->prio (1);
1911	}	2374	}
1912		2375
1913	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1914		2377
…		…
1953		2416
1954	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1955		2418
1956	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1957	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2421	my $meta = "$RANDOMDIR/$md5.meta";
1959		2422
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2425	undef $fh;
1963	aio_rename "$meta~", $meta;	2426	aio_rename "$meta~", $meta;
…		…
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;	2446	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;	2447	my $sp = $exit->stats->sp;
1985		2448
1986	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1987		2454
1988	(async {	2455	(async {
1989	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1990	unless (eval {	2457	unless (eval {
1991	$self->goto ($slaying, $hp, $sp);	2458	$self->goto ($slaying, $hp, $sp);
…		…
2019		2486
2020	utf8::encode $text;	2487	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2489	}
2023		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_msg (channel_info => $channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	# default colour, mask it out
		2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2522	if $color & cf::NDI_DEF;
		2523
		2524	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2526	} else {
		2527	if ($color >= 0) {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	$color &= cf::NDI_COLOR_MASK;
		2539
		2540	utf8::encode $msg;
		2541
		2542	if (0 && $msg =~ /\[/) {
		2543	# COMMAND/INFO
		2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2545	} else {
		2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2547	$self->send_packet ("drawinfo $color $msg")
		2548	}
		2549	}
		2550	}
		2551	}
		2552
2024	=item $client->ext_event ($type, %msg)	2553	=item $client->ext_msg ($type, @msg)
2025		2554
2026	Sends an exti event to the client.	2555	Sends an ext event to the client.
2027		2556
2028	=cut	2557	=cut
2029		2558
2030	sub cf::client::ext_event($$%) {	2559	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	2560	my ($self, $type, @msg) = @_;
2032		2561
		2562	my $extcmd = $self->extcmd;
		2563
		2564	if ($extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	2567	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
2035	}	2570	}
2036		2571
2037	=item $success = $client->query ($flags, "text", \&cb)	2572	=item $success = $client->query ($flags, "text", \&cb)
2038		2573
2039	Queues a query to the client, calling the given callback with	2574	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2575	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2576	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2577
2043	Queries can fail, so check the return code. Or don't, as queries will become	2578	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	2579	become reliable at some point in the future.
2045		2580
2046	=cut	2581	=cut
2047		2582
2048	sub cf::client::query {	2583	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2584	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2592	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2593	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2594
2060	$self->send_packet ($self->{query_queue}[0][0])	2595	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2596	if @{ $self->{query_queue} } == 1;
		2597
		2598	1
2062	}	2599	}
2063		2600
2064	cf::client->attach (	2601	cf::client->attach (
		2602	on_connect => sub {
		2603	my ($ns) = @_;
		2604
		2605	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2606	},
2065	on_reply => sub {	2607	on_reply => sub {
2066	my ($ns, $msg) = @_;	2608	my ($ns, $msg) = @_;
2067		2609
2068	# this weird shuffling is so that direct followup queries	2610	# this weird shuffling is so that direct followup queries
2069	# get handled first	2611	# get handled first
…		…
2081	} else {	2623	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2624	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	2625	}
2084	}	2626	}
2085	},	2627	},
		2628	on_exticmd => sub {
		2629	my ($ns, $buf) = @_;
		2630
		2631	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2632
		2633	if (ref $msg) {
		2634	my ($type, $reply, @payload) =
		2635	"ARRAY" eq ref $msg
		2636	? @$msg
		2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2638
		2639	if (my $cb = $EXTICMD{$type}) {
		2640	my @reply = $cb->($ns, @payload);
		2641
		2642	$ns->ext_reply ($reply, @reply)
		2643	if $reply;
		2644	}
		2645	} else {
		2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2647	}
		2648
		2649	cf::override;
		2650	},
2086	);	2651	);
2087		2652
2088	=item $client->async (\&cb)	2653	=item $client->async (\&cb)
2089		2654
2090	Create a new coroutine, running the specified callback. The coroutine will	2655	Create a new coroutine, running the specified callback. The coroutine will
…		…
2131	our $safe = new Safe "safe";	2696	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	2697	our $safe_hole = new Safe::Hole;
2133		2698
2134	$SIG{FPE} = 'IGNORE';	2699	$SIG{FPE} = 'IGNORE';
2135		2700
2136	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2701	$safe->permit_only (Opcode::opset qw(
		2702	:base_core :base_mem :base_orig :base_math
		2703	grepstart grepwhile mapstart mapwhile
		2704	sort time
		2705	));
2137		2706
2138	# here we export the classes and methods available to script code	2707	# here we export the classes and methods available to script code
2139		2708
2140	=pod	2709	=pod
2141		2710
2142	The following functions and methods are available within a safe environment:	2711	The following functions and methods are available within a safe environment:
2143		2712
2144	cf::object contr pay_amount pay_player map	2713	cf::object
		2714	contr pay_amount pay_player map x y force_find force_add
		2715	insert remove name archname title slaying race
		2716
2145	cf::object::player player	2717	cf::object::player
2146	cf::player peaceful	2718	player
2147	cf::map trigger	2719
		2720	cf::player
		2721	peaceful
		2722
		2723	cf::map
		2724	trigger
2148		2725
2149	=cut	2726	=cut
2150		2727
2151	for (	2728	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2730	insert remove inv name archname title slaying race)],
2153	["cf::object::player" => qw(player)],	2731	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	2732	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	2733	["cf::map" => qw(trigger)],
2156	) {	2734	) {
2157	no strict 'refs';	2735	no strict 'refs';
…		…
2228	=back	2806	=back
2229		2807
2230	=cut	2808	=cut
2231		2809
2232	#############################################################################	2810	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	2811	# the server's init and main functions
2306		2812
2307	sub load_facedata {	2813	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	2814	my ($path) = @_;
		2815
		2816	my $enc = JSON::XS->new->utf8->canonical;
2309		2817
2310	warn "loading facedata from $path\n";	2818	warn "loading facedata from $path\n";
2311		2819
2312	my $facedata;	2820	my $facedata;
2313	0 < aio_load $path, $facedata	2821	0 < aio_load $path, $facedata
2314	or die "$path: $!";	2822	or die "$path: $!";
2315		2823
2316	Coro::cede;
2317	$facedata = Storable::thaw $facedata;	2824	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		2825
2320	$facedata->{version} == 2	2826	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	2827	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		2828
		2829	# patch in the exptable
		2830	$facedata->{resource}{"res/exp_table"} = {
		2831	type => FT_RSRC,
		2832	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
		2833	};
		2834	cf::cede_to_tick;
		2835
2323	{	2836	{
2324	my $faces = $facedata->{faceinfo};	2837	my $faces = $facedata->{faceinfo};
2325		2838
2326	while (my ($face, $info) = each %$faces) {	2839	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2840	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2841	cf::face::set_visibility $idx, $info->{visibility};
		2842	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2843	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2844	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	2845
		2846	cf::cede_to_tick;
2332	}	2847	}
2333		2848
2334	while (my ($face, $info) = each %$faces) {	2849	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	2850	next unless $info->{smooth};
2336	my $idx = cf::face::find $face	2851	my $idx = cf::face::find $face
2337	or next;	2852	or next;
2338	if (my $smooth = cf::face::find $info->{smooth}) {	2853	if (my $smooth = cf::face::find $info->{smooth}) {
		2854	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2855	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	2856	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	2857	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	2858	}
2343	Coro::cede;	2859
		2860	cf::cede_to_tick;
2344	}	2861	}
2345	}	2862	}
2346		2863
2347	{	2864	{
2348	my $anims = $facedata->{animinfo};	2865	my $anims = $facedata->{animinfo};
2349		2866
2350	while (my ($anim, $info) = each %$anims) {	2867	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	2868	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	2869	cf::cede_to_tick;
2353	}	2870	}
2354		2871
2355	cf::anim::invalidate_all; # d'oh	2872	cf::anim::invalidate_all; # d'oh
2356	}	2873	}
2357		2874
		2875	{
		2876	# TODO: for gcfclient pleasure, we should give resources
		2877	# that gcfclient doesn't grok a >10000 face index.
		2878	my $res = $facedata->{resource};
		2879
		2880	my $soundconf = delete $res->{"res/sound.conf"};
		2881
		2882	while (my ($name, $info) = each %$res) {
		2883	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2884	my $data;
		2885
		2886	if ($info->{type} & 1) {
		2887	# prepend meta info
		2888
		2889	my $meta = $enc->encode ({
		2890	name => $name,
		2891	%{ $info->{meta} || {} },
		2892	});
		2893
		2894	$data = pack "(w/a*)*", $meta, $info->{data};
		2895	}
		2896
		2897	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2898	cf::face::set_type $idx, $info->{type};
		2899
		2900	cf::cede_to_tick;
		2901	}
		2902
		2903	if ($soundconf) {
		2904	$soundconf = $enc->decode (delete $soundconf->{data});
		2905
		2906	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2907	my $sound = $soundconf->{compat}[$_]
		2908	or next;
		2909
		2910	my $face = cf::face::find "sound/$sound->[1]";
		2911	cf::sound::set $sound->[0] => $face;
		2912	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2913	}
		2914
		2915	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2916	my $face = cf::face::find "sound/$v";
		2917	cf::sound::set $k => $face;
		2918	}
		2919	}
		2920	}
		2921
2358	1	2922	1
2359	}	2923	}
2360		2924
		2925	register_exticmd fx_want => sub {
		2926	my ($ns, $want) = @_;
		2927
		2928	while (my ($k, $v) = each %$want) {
		2929	$ns->fx_want ($k, $v);
		2930	}
		2931	};
		2932
		2933	sub reload_regions {
		2934	load_resource_file "$MAPDIR/regions"
		2935	or die "unable to load regions file\n";
		2936
		2937	for (cf::region::list) {
		2938	$_->{match} = qr/$_->{match}/
		2939	if exists $_->{match};
		2940	}
		2941	}
		2942
		2943	sub reload_facedata {
		2944	load_facedata "$DATADIR/facedata"
		2945	or die "unable to load facedata\n";
		2946	}
		2947
		2948	sub reload_archetypes {
		2949	load_resource_file "$DATADIR/archetypes"
		2950	or die "unable to load archetypes\n";
		2951	#d# NEED to laod twice to resolve forward references
		2952	# this really needs to be done in an extra post-pass
		2953	# (which needs to be synchronous, so solve it differently)
		2954	load_resource_file "$DATADIR/archetypes"
		2955	or die "unable to load archetypes\n";
		2956	}
		2957
		2958	sub reload_treasures {
		2959	load_resource_file "$DATADIR/treasures"
		2960	or die "unable to load treasurelists\n";
		2961	}
		2962
2361	sub reload_resources {	2963	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2964	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	2965
		2966	reload_regions;
2364	load_facedata	2967	reload_facedata;
2365	or die "unable to load facedata\n";#d#	2968	#reload_archetypes;#d#
		2969	reload_archetypes;
		2970	reload_treasures;
		2971
		2972	warn "finished reloading resource files\n";
2366	}	2973	}
2367		2974
2368	sub init {	2975	sub init {
2369	reload_resources;	2976	reload_resources;
2370	}	2977	}
2371		2978
2372	sub cfg_load {	2979	sub cfg_load {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	2980	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	2981	or return;
2375		2982
2376	local $/;	2983	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	2984	*CFG = YAML::Syck::Load <$fh>;
2378		2985
…		…
2423	},	3030	},
2424	);	3031	);
2425	}	3032	}
2426	}	3033	}
2427		3034
		3035	sub write_runtime {
		3036	my $runtime = "$LOCALDIR/runtime";
		3037
		3038	# first touch the runtime file to show we are still running:
		3039	# the fsync below can take a very very long time.
		3040
		3041	IO::AIO::aio_utime $runtime, undef, undef;
		3042
		3043	my $guard = cf::lock_acquire "write_runtime";
		3044
		3045	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3046	or return;
		3047
		3048	my $value = $cf::RUNTIME + 90 + 10;
		3049	# 10 is the runtime save interval, for a monotonic clock
		3050	# 60 allows for the watchdog to kill the server.
		3051
		3052	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3053	and return;
		3054
		3055	# always fsync - this file is important
		3056	aio_fsync $fh
		3057	and return;
		3058
		3059	# touch it again to show we are up-to-date
		3060	aio_utime $fh, undef, undef;
		3061
		3062	close $fh
		3063	or return;
		3064
		3065	aio_rename "$runtime~", $runtime
		3066	and return;
		3067
		3068	warn "runtime file written.\n";
		3069
		3070	1
		3071	}
		3072
2428	sub emergency_save() {	3073	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3074	my $freeze_guard = cf::freeze_mainloop;
2430		3075
2431	warn "enter emergency perl save\n";	3076	warn "enter emergency perl save\n";
2432		3077
…		…
2463		3108
2464	warn Carp::longmess "post_cleanup backtrace"	3109	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3110	if $make_core;
2466	}	3111	}
2467		3112
2468	sub reload() {	3113	sub do_reload_perl() {
2469	# can/must only be called in main	3114	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3115	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3116	warn "can only reload from main coroutine";
2472	return;	3117	return;
2473	}	3118	}
…		…
2507	%EXT_CORO = ();	3152	%EXT_CORO = ();
2508		3153
2509	warn "removing commands";	3154	warn "removing commands";
2510	%COMMAND = ();	3155	%COMMAND = ();
2511		3156
2512	warn "removing ext commands";	3157	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3158	%EXTCMD = ();
		3159	%EXTICMD = ();
2514		3160
2515	warn "unloading/nuking all extensions";	3161	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3162	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3163	warn "... unloading $pkg";
2518		3164
…		…
2548	Symbol::delete_package "safe::$_"	3194	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3195	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3196
2551	warn "unloading cf.pm \"a bit\"";	3197	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3198	delete $INC{"cf.pm"};
		3199	delete $INC{"cf/pod.pm"};
2553		3200
2554	# don't, removes xs symbols, too,	3201	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3202	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3203	#Symbol::delete_package __PACKAGE__;
2557		3204
…		…
2572	warn "reattaching attachments to maps";	3219	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3220	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3221	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3222	reattach $_ for values %PLAYER;
2576		3223
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3224	warn "leaving sync_job";
2581		3225
2582	1	3226	1
2583	} or do {	3227	} or do {
2584	warn $@;	3228	warn $@;
…		…
2589	warn "reloaded";	3233	warn "reloaded";
2590	};	3234	};
2591		3235
2592	our $RELOAD_WATCHER; # used only during reload	3236	our $RELOAD_WATCHER; # used only during reload
2593		3237
		3238	sub reload_perl() {
		3239	# doing reload synchronously and two reloads happen back-to-back,
		3240	# coro crashes during coro_state_free->destroy here.
		3241
		3242	$RELOAD_WATCHER ||= Event->timer (
		3243	reentrant => 0,
		3244	after => 0,
		3245	data => WF_AUTOCANCEL,
		3246	cb => sub {
		3247	do_reload_perl;
		3248	undef $RELOAD_WATCHER;
		3249	},
		3250	);
		3251	}
		3252
2594	register_command "reload" => sub {	3253	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3254	my ($who, $arg) = @_;
2596		3255
2597	if ($who->flag (FLAG_WIZ)) {	3256	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3257	$who->message ("reloading server.");
2599		3258	async { reload_perl };
2600	# doing reload synchronously and two reloads happen back-to-back,
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);
2612	}	3259	}
2613	};	3260	};
2614		3261
2615	unshift @INC, $LIBDIR;	3262	unshift @INC, $LIBDIR;
2616		3263
2617	my $bug_warning = 0;	3264	my $bug_warning = 0;
2618		3265
		3266	our @WAIT_FOR_TICK;
		3267	our @WAIT_FOR_TICK_BEGIN;
		3268
		3269	sub wait_for_tick {
		3270	return unless $TICK_WATCHER->is_active;
		3271	return if $Coro::current == $Coro::main;
		3272
		3273	my $signal = new Coro::Signal;
		3274	push @WAIT_FOR_TICK, $signal;
		3275	$signal->wait;
		3276	}
		3277
		3278	sub wait_for_tick_begin {
		3279	return unless $TICK_WATCHER->is_active;
		3280	return if $Coro::current == $Coro::main;
		3281
		3282	my $signal = new Coro::Signal;
		3283	push @WAIT_FOR_TICK_BEGIN, $signal;
		3284	$signal->wait;
		3285	}
		3286
		3287	my $min = 1e6;#d#
		3288	my $avg = 10;
2619	$TICK_WATCHER = Event->timer (	3289	$TICK_WATCHER = Event->timer (
2620	reentrant => 0,	3290	reentrant => 0,
2621	parked => 1,	3291	parked => 1,
2622	prio => 0,	3292	prio => 0,
2623	at => $NEXT_TICK || $TICK,	3293	at => $NEXT_TICK || $TICK,
…		…
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3297	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3298	unless ++$bug_warning > 10;
2629	return;	3299	return;
2630	}	3300	}
2631		3301
2632	$NOW = Event::time;	3302	$NOW = $tick_start = Event::time;
2633		3303
2634	cf::server_tick; # one server iteration	3304	cf::server_tick; # one server iteration
		3305
		3306	0 && sync_job {#d#
		3307	for(1..10) {
		3308	my $t = Event::time;
		3309	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3310	or die;
		3311
		3312	$map->width (50);
		3313	$map->height (50);
		3314	$map->alloc;
		3315	$map->_load_objects ("/tmp/x.map", 1);
		3316	my $t = Event::time - $t;
		3317
		3318	#next unless $t < 0.0013;#d#
		3319	if ($t < $min) {
		3320	$min = $t;
		3321	}
		3322	$avg = $avg * 0.99 + $t * 0.01;
		3323	}
		3324	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3325	exit 0;
		3326	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3327	};
		3328
2635	$RUNTIME += $TICK;	3329	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;	3330	$NEXT_TICK += $TICK;
2637		3331
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3332	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3333	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2641	write_runtime	3335	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3336	or warn "ERROR: unable to write runtime file: $!";
2643	};	3337	};
2644	}	3338	}
2645		3339
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;	3340	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#	3341	# warn $AFTER - $NOW;#d#
2651		3342
		3343	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3344	$sig->send;
		3345	}
		3346	while (my $sig = shift @WAIT_FOR_TICK) {
		3347	$sig->send;
		3348	}
		3349
		3350	$NOW = Event::time;
		3351
2652	# if we are delayed by four ticks or more, skip them all	3352	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3353	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2654		3354
2655	$TICK_WATCHER->at ($NEXT_TICK);	3355	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;	3356	$TICK_WATCHER->start;
		3357
		3358	$LOAD = ($NOW - $tick_start) / $TICK;
		3359	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3360
		3361	_post_tick;
		3362
		3363
2657	},	3364	},
2658	);	3365	);
2659		3366
2660	{	3367	{
2661	BDB::max_poll_time $TICK * 0.1;	3368	BDB::max_poll_time $TICK * 0.1;
…		…
2689		3396
2690	cf::sync_job {	3397	cf::sync_job {
2691	eval {	3398	eval {
2692	BDB::db_env_open	3399	BDB::db_env_open
2693	$DB_ENV,	3400	$DB_ENV,
2694	$BDB_ENV_DIR,	3401	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3402	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3403	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3404	0666;
2698		3405
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3406	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700		3407
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3408	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;	3409	$DB_ENV->set_lk_detect;
2703	};	3410	};
2704		3411
…		…
2720	prio => 6,	3427	prio => 6,
2721	cb => \&IO::AIO::poll_cb,	3428	cb => \&IO::AIO::poll_cb,
2722	);	3429	);
2723	}	3430	}
2724		3431
		3432	my $_log_backtrace;
		3433
		3434	sub _log_backtrace {
		3435	my ($msg, @addr) = @_;
		3436
		3437	$msg =~ s/\n//;
		3438
		3439	# limit the # of concurrent backtraces
		3440	if ($_log_backtrace < 2) {
		3441	++$_log_backtrace;
		3442	async {
		3443	my @bt = fork_call {
		3444	@addr = map { sprintf "%x", $_ } @addr;
		3445	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3446	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3447	or die "addr2line: $!";
		3448
		3449	my @funcs;
		3450	my @res = <$fh>;
		3451	chomp for @res;
		3452	while (@res) {
		3453	my ($func, $line) = splice @res, 0, 2, ();
		3454	push @funcs, "[$func] $line";
		3455	}
		3456
		3457	@funcs
		3458	};
		3459
		3460	LOG llevInfo, "[ABT] $msg\n";
		3461	LOG llevInfo, "[ABT] $_\n" for @bt;
		3462	--$_log_backtrace;
		3463	};
		3464	} else {
		3465	LOG llevInfo, "[ABT] $msg\n";
		3466	LOG llevInfo, "[ABT] [suppressed]\n";
		3467	}
		3468	}
		3469
		3470	# load additional modules
		3471	use cf::pod;
		3472
2725	END { cf::emergency_save }	3473	END { cf::emergency_save }
2726		3474
2727	1	3475	1
2728		3476

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