ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.336 by root, Tue Aug 21 00:31:18 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;
21	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
22		25
		26	use JSON::XS 1.4 ();
23	use BDB ();	27	use BDB ();
24	use Data::Dumper;	28	use Data::Dumper;
25	use Digest::MD5;	29	use Digest::MD5;
26	use Fcntl;	30	use Fcntl;
27	use YAML::Syck ();	31	use YAML::Syck ();
28	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
29	use Time::HiRes;	33	use Time::HiRes;
30	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
31		36
32	# configure various modules to our taste	37	# configure various modules to our taste
33	#	38	#
34	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
35	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
…		…
47	our %COMMAND = ();	52	our %COMMAND = ();
48	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
49		54
50	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
54		60
55	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
56	our @EVENT;	62	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		63
59	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(!)
60	our $TICK_WATCHER;	77	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	80	our $NEXT_TICK;
64	our $NOW;	81	our $NOW;
…		…
73	our $RUNTIME;	90	our $RUNTIME;
74		91
75	our %PLAYER; # all users	92	our %PLAYER; # all users
76	our %MAP; # all maps	93	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		95
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $tick_start; # for load detecting purposes
		102
87	binmode STDOUT;	103	binmode STDOUT;
88	binmode STDERR;	104	binmode STDERR;
89		105
90	# read virtual server time, if available	106	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
95	}	111	}
96		112
97	mkdir cf::localdir;	113	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		115
104	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
105		117
106	sub cf::map::normalise;	118	sub cf::map::normalise;
107		119
…		…
118	=item $cf::RUNTIME	130	=item $cf::RUNTIME
119		131
120	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
121	every server tick.	133	every server tick.
122		134
123	=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
124		138
125	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		143
128	=item $cf::NOW	144	=item $cf::NOW
129		145
130	The time of the last (current) server tick.	146	The time of the last (current) server tick.
131		147
132	=item $cf::TICK	148	=item $cf::TICK
133		149
134	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.
135		161
136	=item %cf::CFG	162	=item %cf::CFG
137		163
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
139	from wherever your confdir points to.	165	from wherever your confdir points to.
140		166
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		168
143	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
144	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
145	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.
146	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.
147		178
148	=back	179	=back
149		180
150	=cut	181	=cut
151		182
152	BEGIN {	183	BEGIN {
153	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	185	my $msg = join "", @_;
155	utf8::encode $msg;
156		186
157	$msg .= "\n"	187	$msg .= "\n"
158	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
159		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
160	LOG llevError, $msg;	193	LOG llevError, $msg;
161	};	194	};
162	}	195	}
163		196
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		204
171	# 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
172	# within the Safe compartment.	206	# within the Safe compartment.
173	for my $pkg (qw(	207	for my $pkg (qw(
174	cf::global cf::attachable	208	cf::global cf::attachable
…		…
182	}	216	}
183		217
184	$Event::DIED = sub {	218	$Event::DIED = sub {
185	warn "error in event callback: @_";	219	warn "error in event callback: @_";
186	};	220	};
		221
		222	#############################################################################
187		223
188	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
189		225
190	=over 4	226	=over 4
191		227
…		…
210	$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;
211	$d	247	$d
212	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
213	}	249	}
214		250
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
218		252
219	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
220		254
221	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
222		256
223	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]) }
224		265
225	=item cf::lock_wait $string	266	=item cf::lock_wait $string
226		267
227	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
228		269
…		…
234	returned.	275	returned.
235		276
236	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
237	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
238		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
239	=cut	284	=cut
240		285
241	our %LOCK;	286	our %LOCK;
242		287
243	sub lock_wait($) {	288	sub lock_wait($) {
…		…
260		305
261	Coro::guard {	306	Coro::guard {
262	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
264	}	309	}
		310	}
		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
265	}	316	}
266		317
267	sub freeze_mainloop {	318	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
269		320
…		…
272	};	323	};
273	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
274	$guard	325	$guard
275	}	326	}
276		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
277	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
278		385
279	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
280	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
281	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.
…		…
284		391
285	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
286		393
287	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
288		395
289	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)
290	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
291	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.
292		400
293	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
294	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
295	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
296	fast or be very important.	404	fast or be very important.
…		…
299		407
300	sub sync_job(&) {	408	sub sync_job(&) {
301	my ($job) = @_;	409	my ($job) = @_;
302		410
303	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
304	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
306		416
307	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
319		429
320	while ($busy) {	430	while ($busy) {
321	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
322	}	432	}
323		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
324	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
325	} else {	442	} else {
326	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
327		444
328	$job->()	445	$job->()
…		…
347	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
348		465
349	$coro	466	$coro
350	}	467	}
351		468
352	sub write_runtime {	469	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		470
355	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.
356		475
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	476	=cut
358	or return;
359		477
360	my $value = $cf::RUNTIME + 90 + 10;	478	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	479	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		480
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	# we seemingly have to make a local copy of the whole thing,
365	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
366		484
367	# always fsync - this file is important	485	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	486	reset_signals;
369	and return;	487	&$cb
		488	}, @args;
370		489
371	close $fh	490	wantarray ? @res : $res[-1]
372	or return;	491	}
373		492
374	aio_rename "$runtime~", $runtime	493	=item $value = cf::db_get $family => $key
375	and return;
376		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	};
377	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"
378	}	607	}
379		608
380	=item cf::datalog type => key => value, ...	609	=item cf::datalog type => key => value, ...
381		610
382	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.
…		…
400	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")
401	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
402		631
403	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>
404	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
405	crossfire+).	634	Crossfire TRT).
406		635
407	=over 4	636	=over 4
408		637
409	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
410		639
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
574		803
575	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		808
580	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	810	my $pkg = shift @arg;
582		811
583	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
613	}	842	}
614		843
615	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
616	} else {	845	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	847	}
619		848
620	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
621	}	850	}
622		851
…		…
624	if (ref $_[0]) {	853	if (ref $_[0]) {
625	_object_attach @_;	854	_object_attach @_;
626	} else {	855	} else {
627	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
628	}	857	}
		858	_recalc_want;
629	};	859	};
630		860
631	# all those should be optimised	861	# all those should be optimised
632	sub cf::attachable::detach {	862	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
637	reattach ($obj);	867	reattach ($obj);
638	} else {	868	} else {
639	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
640	}	870	}
		871	_recalc_want;
641	};	872	};
642		873
643	sub cf::attachable::attached {	874	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
645		876
…		…
660	";	891	";
661	die if $@;	892	die if $@;
662	}	893	}
663		894
664	our $override;	895	our $override;
665	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?
666		897
667	sub override {	898	sub override {
668	$override = 1;	899	$override = 1;
669	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
670	}	901	}
671		902
672	sub do_invoke {	903	sub do_invoke {
673	my $event = shift;	904	my $event = shift;
674	my $callbacks = shift;	905	my $callbacks = shift;
675		906
676	@invoke_results = ();	907	@INVOKE_RESULTS = ();
677		908
678	local $override;	909	local $override;
679		910
680	for (@$callbacks) {	911	for (@$callbacks) {
681	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
698		929
699	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
700		931
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		935
705	=back	936	=back
706		937
707	=cut	938	=cut
708		939
709	#############################################################################	940	#############################################################################
710	# 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	}
711		953
712	sub reattach {	954	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	956	my ($obj) = @_;
715		957
…		…
818	or return;	1060	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1062	}
821		1063
822	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
824	return ($data, $av);	1066	return ($data, $av);
825	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
826		1074
827	#############################################################################	1075	#############################################################################
828	# command handling &c	1076	# command handling &c
829		1077
830	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1092	}
845		1093
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1095
848	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.
849		1101
850	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
851	called.	1103	called.
852		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
853	=cut	1116	=cut
854		1117
855	sub register_extcmd {	1118	sub register_extcmd {
856	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
857		1120
858	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
859	}	1128	}
860		1129
861	cf::player->attach (	1130	cf::player->attach (
862	on_command => sub {	1131	on_command => sub {
863	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1141	cf::override;
873	},	1142	},
874	on_extcmd => sub {	1143	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
876		1145
877	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1147
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
882	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
883	}	1158	if $reply;
884	}	1159	}
885	} else {	1160	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1162	}
888		1163
889	cf::override;	1164	cf::override;
890	},	1165	},
891	);	1166	);
892		1167
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
928	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1173	next unless -r $path;
930	eval {	1174
931	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;
932	1	1232	}
933	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
934	}	1238	};
935	}	1239	}
936		1240
937	#############################################################################	1241	#############################################################################
938		1242
		1243	=back
		1244
939	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
940		1246
941	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
942		1248
943	=cut	1249	=cut
…		…
955	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
956		1262
957	=cut	1263	=cut
958		1264
959	sub playerdir($) {	1265	sub playerdir($) {
960	cf::localdir	1266	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1268	}
966		1269
967	sub path($) {	1270	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1032	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1033		1336
1034	$self	1337	$self
1035	}	1338	}
1036		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
1037	=item $pl->quit_character	1350	=item $pl->quit_character
1038		1351
1039	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
1040	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1041		1354
…		…
1088	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1089		1402
1090	=cut	1403	=cut
1091		1404
1092	sub list_logins {	1405	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1407	or return [];
1095		1408
1096	my @logins;	1409	my @logins;
1097		1410
1098	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1133	}	1446	}
1134		1447
1135	\@paths	1448	\@paths
1136	}	1449	}
1137		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
1138	=item $player->ext_reply ($msgid, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1139		1502
1140	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1141		1504
1142	=cut	1505	=cut
1143		1506
1144	sub ext_reply($$%) {	1507	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1146		1509
1147	$msg{msgid} = $id;	1510	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1511	}
1151		1512
1152	=item $player->ext_event ($type, %msg)	1513	=item $player->ext_msg ($type, @msg)
1153		1514
1154	Sends an ext event to the client.	1515	Sends an ext event to the client.
1155		1516
1156	=cut	1517	=cut
1157		1518
1158	sub ext_event($$%) {	1519	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1520	my ($self, $type, @msg) = @_;
1160		1521
1161	$self->ns->ext_event ($type, %msg);	1522	$self->ns->ext_msg ($type, @msg);
1162	}	1523	}
1163		1524
1164	package cf;	1525	=head3 cf::region
		1526
		1527	=over 4
		1528
		1529	=cut
		1530
		1531	package cf::region;
		1532
		1533	=item cf::region::find_by_path $path
		1534
		1535	Tries to decuce the likely region for a map knowing only its path.
		1536
		1537	=cut
		1538
		1539	sub find_by_path($) {
		1540	my ($path) = @_;
		1541
		1542	my ($match, $specificity);
		1543
		1544	for my $region (list) {
		1545	if ($region->{match} && $path =~ $region->{match}) {
		1546	($match, $specificity) = ($region, $region->specificity)
		1547	if $region->specificity > $specificity;
		1548	}
		1549	}
		1550
		1551	$match
		1552	}
1165		1553
1166	=back	1554	=back
1167
1168		1555
1169	=head3 cf::map	1556	=head3 cf::map
1170		1557
1171	=over 4	1558	=over 4
1172		1559
…		…
1227	my ($self, $merge) = @_;	1614	my ($self, $merge) = @_;
1228		1615
1229	# we have to keep some variables in memory intact	1616	# we have to keep some variables in memory intact
1230	local $self->{path};	1617	local $self->{path};
1231	local $self->{load_path};	1618	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1619
1235	$self->SUPER::thawer_merge ($merge);	1620	$self->SUPER::thawer_merge ($merge);
1236	}	1621	}
1237		1622
1238	sub normalise {	1623	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1670	$self->init; # pass $1 etc.
1286	return $self;	1671	return $self;
1287	}	1672	}
1288	}	1673	}
1289		1674
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1675	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1676	()
1292	}	1677	}
1293		1678
1294	sub init {	1679	sub init {
1295	my ($self) = @_;	1680	my ($self) = @_;
…		…
1310		1695
1311	# the original (read-only) location	1696	# the original (read-only) location
1312	sub load_path {	1697	sub load_path {
1313	my ($self) = @_;	1698	my ($self) = @_;
1314		1699
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1700	"$MAPDIR/$self->{path}.map"
1316	}	1701	}
1317		1702
1318	# the temporary/swap location	1703	# the temporary/swap location
1319	sub save_path {	1704	sub save_path {
1320	my ($self) = @_;	1705	my ($self) = @_;
1321		1706
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1708	"$TMPDIR/$path.map"
1324	}	1709	}
1325		1710
1326	# the unique path, undef == no special unique path	1711	# the unique path, undef == no special unique path
1327	sub uniq_path {	1712	sub uniq_path {
1328	my ($self) = @_;	1713	my ($self) = @_;
1329		1714
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1716	"$UNIQUEDIR/$path"
1332	}	1717	}
1333		1718
1334	# and all this just because we cannot iterate over	1719	# and all this just because we cannot iterate over
1335	# all maps in C++...	1720	# all maps in C++...
1336	sub change_all_map_light {	1721	sub change_all_map_light {
1337	my ($change) = @_;	1722	my ($change) = @_;
1338		1723
1339	$_->change_map_light ($change)	1724	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1725	for grep $_->outdoor, values %cf::MAP;
		1726	}
		1727
		1728	sub decay_objects {
		1729	my ($self) = @_;
		1730
		1731	return if $self->{deny_reset};
		1732
		1733	$self->do_decay_objects;
1341	}	1734	}
1342		1735
1343	sub unlink_save {	1736	sub unlink_save {
1344	my ($self) = @_;	1737	my ($self) = @_;
1345		1738
…		…
1403	$self->load_header_orig	1796	$self->load_header_orig
1404	or return;	1797	or return;
1405	$self->prepare_orig;	1798	$self->prepare_orig;
1406	}	1799	}
1407		1800
		1801	$self->{deny_reset} = 1
		1802	if $self->no_reset;
		1803
		1804	$self->default_region (cf::region::find_by_path $self->{path})
		1805	unless $self->default_region;
		1806
1408	1	1807	1
1409	}	1808	}
1410		1809
1411	sub find;	1810	sub find;
1412	sub find {	1811	sub find {
…		…
1424	$map->{last_save} = $cf::RUNTIME;	1823	$map->{last_save} = $cf::RUNTIME;
1425		1824
1426	$map->load_header	1825	$map->load_header
1427	or return;	1826	or return;
1428		1827
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	1829	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	1830	#$cf::WAIT_FOR_TICK->wait;
1432	$map->reset;	1831	$map->reset;
1433	undef $guard;	1832	undef $guard;
1434	return find $path;	1833	return find $path;
…		…
1445	my ($self) = @_;	1844	my ($self) = @_;
1446		1845
1447	local $self->{deny_reset} = 1; # loading can take a long time	1846	local $self->{deny_reset} = 1; # loading can take a long time
1448		1847
1449	my $path = $self->{path};	1848	my $path = $self->{path};
		1849
		1850	{
1450	my $guard = cf::lock_acquire "map_load:$path";	1851	my $guard = cf::lock_acquire "map_load:$path";
1451		1852
1452	return if $self->in_memory != cf::MAP_SWAPPED;	1853	return if $self->in_memory != cf::MAP_SWAPPED;
1453		1854
1454	$self->in_memory (cf::MAP_LOADING);	1855	$self->in_memory (cf::MAP_LOADING);
1455		1856
1456	$self->alloc;	1857	$self->alloc;
1457		1858
1458	$self->pre_load;	1859	$self->pre_load;
1459
1460	$self->_load_objects ($self->{load_path}, 1)
1461	or return;
1462
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1464	if delete $self->{load_original};
1465
1466	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {
1469	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);
1471	}
1472	}
1473
1474	Coro::cede;
1475
1476	# now do the right thing for maps
1477	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;	1860	Coro::cede;
1484	$self->set_darkness_map;	1861
		1862	$self->_load_objects ($self->{load_path}, 1)
		1863	or return;
		1864
		1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1866	if delete $self->{load_original};
		1867
		1868	if (my $uniq = $self->uniq_path) {
		1869	utf8::encode $uniq;
		1870	if (aio_open $uniq, O_RDONLY, 0) {
		1871	$self->clear_unique_items;
		1872	$self->_load_objects ($uniq, 0);
		1873	}
		1874	}
		1875
		1876	Coro::cede;
		1877	# now do the right thing for maps
		1878	$self->link_multipart_objects;
1485	$self->difficulty ($self->estimate_difficulty)	1879	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	1880	unless $self->difficulty;
1487	Coro::cede;	1881	Coro::cede;
		1882
		1883	unless ($self->{deny_activate}) {
		1884	$self->decay_objects;
		1885	$self->fix_auto_apply;
		1886	$self->update_buttons;
		1887	Coro::cede;
		1888	$self->set_darkness_map;
		1889	Coro::cede;
1488	$self->activate;	1890	$self->activate;
		1891	}
		1892
		1893	$self->{last_save} = $cf::RUNTIME;
		1894	$self->last_access ($cf::RUNTIME);
		1895
		1896	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	1897	}
1490		1898
1491	$self->post_load;	1899	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	1900	}
1495		1901
1496	sub customise_for {	1902	sub customise_for {
1497	my ($self, $ob) = @_;	1903	my ($self, $ob) = @_;
1498		1904
1499	return find "~" . $ob->name . "/" . $self->{path}	1905	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	1906	if $self->per_player;
1501		1907
		1908	# return find "?party/" . $ob->name . "/" . $self->{path}
		1909	# if $self->per_party;
		1910
1502	$self	1911	$self
1503	}	1912	}
1504		1913
1505	# find and load all maps in the 3x3 area around a map	1914	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	1915	sub load_neighbours {
1507	my ($map) = @_;	1916	my ($map) = @_;
1508		1917
1509	my @diag; # diagonal neighbours	1918	my @neigh; # diagonal neighbours
1510		1919
1511	for (0 .. 3) {	1920	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	1921	my $neigh = $map->tile_path ($_)
1513	or next;	1922	or next;
1514	$neigh = find $neigh, $map	1923	$neigh = find $neigh, $map
1515	or next;	1924	or next;
1516	$neigh->load;	1925	$neigh->load;
1517		1926
		1927	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	1930	}
1521		1931
1522	for (@diag) {	1932	for (grep defined $_->[0], @neigh) {
		1933	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	1934	my $neigh = find $path, $origin
1524	or next;	1935	or next;
1525	$neigh->load;	1936	$neigh->load;
1526	}	1937	}
1527	}	1938	}
1528		1939
…		…
1552		1963
1553	undef $MAP_PREFETCH{$path};	1964	undef $MAP_PREFETCH{$path};
1554	$MAP_PREFETCHER ||= cf::async {	1965	$MAP_PREFETCHER ||= cf::async {
1555	while (%MAP_PREFETCH) {	1966	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	1967	for my $path (keys %MAP_PREFETCH) {
1557	my $map = find $path	1968	if (my $map = find $path) {
1558	or next;
1559	$map->load;	1969	$map->load;
		1970	}
1560		1971
1561	delete $MAP_PREFETCH{$path};	1972	delete $MAP_PREFETCH{$path};
1562	}	1973	}
1563	}	1974	}
1564	undef $MAP_PREFETCHER;	1975	undef $MAP_PREFETCHER;
…		…
1616		2027
1617	sub reset_at {	2028	sub reset_at {
1618	my ($self) = @_;	2029	my ($self) = @_;
1619		2030
1620	# TODO: safety, remove and allow resettable per-player maps	2031	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2032	return 1e99 if $self->{deny_reset};
1623		2033
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2034	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2035	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2036
…		…
1637	my ($self) = @_;	2047	my ($self) = @_;
1638		2048
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2049	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2050
1641	return if $self->players;	2051	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2052
1644	warn "resetting map ", $self->path;#d#	2053	warn "resetting map ", $self->path;
1645		2054
1646	$self->in_memory (cf::MAP_SWAPPED);	2055	$self->in_memory (cf::MAP_SWAPPED);
1647		2056
1648	# need to save uniques path	2057	# need to save uniques path
1649	unless ($self->{deny_save}) {	2058	unless ($self->{deny_save}) {
…		…
1681	$cf::MAP{$self->path} = $self;	2090	$cf::MAP{$self->path} = $self;
1682		2091
1683	$self->reset; # polite request, might not happen	2092	$self->reset; # polite request, might not happen
1684	}	2093	}
1685		2094
		2095	=item $maps = cf::map::tmp_maps
		2096
		2097	Returns an arrayref with all map paths of currently instantiated and saved
		2098	maps. May block.
		2099
		2100	=cut
		2101
		2102	sub tmp_maps() {
		2103	[
		2104	map {
		2105	utf8::decode $_;
		2106	/\.map$/
		2107	? normalise $_
		2108	: ()
		2109	} @{ aio_readdir $TMPDIR or [] }
		2110	]
		2111	}
		2112
		2113	=item $maps = cf::map::random_maps
		2114
		2115	Returns an arrayref with all map paths of currently instantiated and saved
		2116	random maps. May block.
		2117
		2118	=cut
		2119
		2120	sub random_maps() {
		2121	[
		2122	map {
		2123	utf8::decode $_;
		2124	/\.map$/
		2125	? normalise "?random/$_"
		2126	: ()
		2127	} @{ aio_readdir $RANDOMDIR or [] }
		2128	]
		2129	}
		2130
1686	=item cf::map::unique_maps	2131	=item cf::map::unique_maps
1687		2132
1688	Returns an arrayref of paths of all shared maps that have	2133	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2134	instantiated unique items. May block.
1690		2135
1691	=cut	2136	=cut
1692		2137
1693	sub unique_maps() {	2138	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2139	[
1695	or return;	2140	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2141	utf8::decode $_;
1701	next if /\.pst$/;	2142	/\.map$/
1702	next unless /^$PATH_SEP/o;	2143	? normalise $_
1703		2144	: ()
1704	push @paths, cf::map::normalise $_;	2145	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2146	]
1706
1707	\@paths
1708	}	2147	}
1709		2148
1710	package cf;	2149	package cf;
1711		2150
1712	=back	2151	=back
…		…
1758		2197
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2198	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2199
1761	if ($self->{record_replies}) {	2200	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2201	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2202
1763	} else {	2203	} else {
		2204	my $pl = $self->contr;
		2205
		2206	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2207	my $dialog = $pl->{npc_dialog};
		2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2209
		2210	} else {
1764	$msg = $npc->name . " says: $msg" if $npc;	2211	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2212	$self->message ($msg, $flags);
		2213	}
1766	}	2214	}
		2215	}
		2216
		2217	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2218
		2219	=cut
		2220
		2221	sub cf::object::send_msg {
		2222	my $pl = shift->contr
		2223	or return;
		2224	$pl->send_msg (@_);
1767	}	2225	}
1768		2226
1769	=item $player_object->may ("access")	2227	=item $player_object->may ("access")
1770		2228
1771	Returns wether the given player is authorized to access resource "access"	2229	Returns wether the given player is authorized to access resource "access"
…		…
1818	$self->deactivate_recursive;	2276	$self->deactivate_recursive;
1819		2277
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2278	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2279
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2281	if $self->map && $self->map->{path} ne "{link}";
1824		2282
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2284	}
1827		2285
1828	sub cf::object::player::leave_link {	2286	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2287	my ($self, $map, $x, $y) = @_;
		2288
		2289	return unless $self->contr->active;
1830		2290
1831	my $link_pos = delete $self->{_link_pos};	2291	my $link_pos = delete $self->{_link_pos};
1832		2292
1833	unless ($map) {	2293	unless ($map) {
1834	# restore original map position	2294	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2308	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2309	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2310	if $x <=0 && $y <= 0;
1851		2311
1852	$map->load;	2312	$map->load;
1853	$map->load_diag;	2313	$map->load_neighbours;
1854		2314
1855	return unless $self->contr->active;	2315	return unless $self->contr->active;
1856	$self->activate_recursive;	2316	$self->activate_recursive;
1857		2317
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2319	$self->enter_map ($map, $x, $y);
1860	}	2320	}
1861		2321
1862	cf::player->attach (	2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2323
1866	# abort map switching before logout	2324	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2325	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2326	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2327	the new (success) or old (failed) map position. In either case, $done will
1870	};	2328	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2329
1876	# try to abort aborted map switching on player login :)
1877	# should happen only on crashes
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2330	=cut
		2331
		2332	our $GOTOGEN;
1897		2333
1898	sub cf::object::player::goto {	2334	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2335	my ($self, $path, $x, $y, $check, $done) = @_;
		2336
		2337	# do generation counting so two concurrent goto's will be executed in-order
		2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2339
1901	$self->enter_link;	2340	$self->enter_link;
1902		2341
1903	(async {	2342	(async {
1904	my $map = eval {	2343	my $map = eval {
1905	my $map = cf::map::find $path;	2344	my $map = cf::map::find $path;
		2345
		2346	if ($map) {
1906	$map = $map->customise_for ($self) if $map;	2347	$map = $map->customise_for ($self);
		2348	$map = $check->($map) if $check && $map;
		2349	} else {
		2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2351	}
		2352
1907	$map	2353	$map
		2354	};
		2355
		2356	if ($@) {
		2357	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	LOG llevError | logBacktrace, Carp::longmess $@;
1908	} or	2359	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2360
		2361	if ($gen == $self->{_goto_generation}) {
		2362	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2363	$self->leave_link ($map, $x, $y);
		2364	}
		2365
		2366	$done->() if $done;
1912	})->prio (1);	2367	})->prio (1);
1913	}	2368	}
1914		2369
1915	=item $player_object->enter_exit ($exit_object)	2370	=item $player_object->enter_exit ($exit_object)
1916		2371
…		…
1955		2410
1956	$rmp->{random_seed} ||= $exit->random_seed;	2411	$rmp->{random_seed} ||= $exit->random_seed;
1957		2412
1958	my $data = cf::to_json $rmp;	2413	my $data = cf::to_json $rmp;
1959	my $md5 = Digest::MD5::md5_hex $data;	2414	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2415	my $meta = "$RANDOMDIR/$md5.meta";
1961		2416
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2418	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2419	undef $fh;
1965	aio_rename "$meta~", $meta;	2420	aio_rename "$meta~", $meta;
…		…
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;	2440	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;	2441	my $sp = $exit->stats->sp;
1987		2442
1988	$self->enter_link;	2443	$self->enter_link;
		2444
		2445	# if exit is damned, update players death & WoR home-position
		2446	$self->contr->savebed ($slaying, $hp, $sp)
		2447	if $exit->flag (FLAG_DAMNED);
1989		2448
1990	(async {	2449	(async {
1991	$self->deactivate_recursive; # just to be sure	2450	$self->deactivate_recursive; # just to be sure
1992	unless (eval {	2451	unless (eval {
1993	$self->goto ($slaying, $hp, $sp);	2452	$self->goto ($slaying, $hp, $sp);
…		…
2021		2480
2022	utf8::encode $text;	2481	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2483	}
2025		2484
		2485	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2486
		2487	Send a drawinfo or msg packet to the client, formatting the msg for the
		2488	client if neccessary. C<$type> should be a string identifying the type of
		2489	the message, with C<log> being the default. If C<$color> is negative, suppress
		2490	the message unless the client supports the msg packet.
		2491
		2492	=cut
		2493
		2494	sub cf::client::send_msg {
		2495	my ($self, $channel, $msg, $color, @extra) = @_;
		2496
		2497	$msg = $self->pl->expand_cfpod ($msg);
		2498
		2499	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2500
		2501	if (ref $channel) {
		2502	# send meta info to client, if not yet sent
		2503	unless (exists $self->{channel}{$channel->{id}}) {
		2504	$self->{channel}{$channel->{id}} = $channel;
		2505	$self->ext_msg (channel_info => $channel);
		2506	}
		2507
		2508	$channel = $channel->{id};
		2509	}
		2510
		2511	return unless @extra || length $msg;
		2512
		2513	if ($self->can_msg) {
		2514	# default colour, mask it out
		2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2516	if $color & cf::NDI_DEF;
		2517
		2518	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2520	} else {
		2521	if ($color >= 0) {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	$color &= cf::NDI_COLOR_MASK;
		2533
		2534	utf8::encode $msg;
		2535
		2536	if (0 && $msg =~ /\[/) {
		2537	# COMMAND/INFO
		2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2539	} else {
		2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2541	$self->send_packet ("drawinfo $color $msg")
		2542	}
		2543	}
		2544	}
		2545	}
		2546
2026	=item $client->ext_event ($type, %msg)	2547	=item $client->ext_msg ($type, @msg)
2027		2548
2028	Sends an exti event to the client.	2549	Sends an ext event to the client.
2029		2550
2030	=cut	2551	=cut
2031		2552
2032	sub cf::client::ext_event($$%) {	2553	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2554	my ($self, $type, @msg) = @_;
2034		2555
		2556	my $extcmd = $self->extcmd;
		2557
		2558	if ($extcmd == 2) {
		2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2560	} elsif ($extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2561	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2563	}
		2564	}
		2565
		2566	=item $client->ext_reply ($msgid, @msg)
		2567
		2568	Sends an ext reply to the client.
		2569
		2570	=cut
		2571
		2572	sub cf::client::ext_reply($$@) {
		2573	my ($self, $id, @msg) = @_;
		2574
		2575	if ($self->extcmd == 2) {
		2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2577	} elsif ($self->ns->extcmd == 1) {
		2578	#TODO: version 1, remove
		2579	unshift @msg, msgtype => "reply", msgid => $id;
		2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
2037	}	2582	}
2038		2583
2039	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
2040		2585
2041	Queues a query to the client, calling the given callback with	2586	Queues a query to the client, calling the given callback with
2042	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>,
2043	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>.
2044		2589
2045	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
2046	reliable at some point in the future.	2591	become reliable at some point in the future.
2047		2592
2048	=cut	2593	=cut
2049		2594
2050	sub cf::client::query {	2595	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2604	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2606
2062	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
2064	}	2611	}
2065		2612
2066	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	},
2067	on_reply => sub {	2619	on_reply => sub {
2068	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
2069		2621
2070	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
2071	# get handled first	2623	# get handled first
…		…
2083	} else {	2635	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	2637	}
2086	}	2638	}
2087	},	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	},
2088	);	2663	);
2089		2664
2090	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
2091		2666
2092	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	2708	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	2709	our $safe_hole = new Safe::Hole;
2135		2710
2136	$SIG{FPE} = 'IGNORE';	2711	$SIG{FPE} = 'IGNORE';
2137		2712
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2713	$safe->permit_only (Opcode::opset qw(
		2714	:base_core :base_mem :base_orig :base_math
		2715	grepstart grepwhile mapstart mapwhile
		2716	sort time
		2717	));
2139		2718
2140	# here we export the classes and methods available to script code	2719	# here we export the classes and methods available to script code
2141		2720
2142	=pod	2721	=pod
2143		2722
2144	The following functions and methods are available within a safe environment:	2723	The following functions and methods are available within a safe environment:
2145		2724
2146	cf::object contr pay_amount pay_player map	2725	cf::object
		2726	contr pay_amount pay_player map x y force_find force_add
		2727	insert remove name archname title slaying race
		2728
2147	cf::object::player player	2729	cf::object::player
2148	cf::player peaceful	2730	player
2149	cf::map trigger	2731
		2732	cf::player
		2733	peaceful
		2734
		2735	cf::map
		2736	trigger
2150		2737
2151	=cut	2738	=cut
2152		2739
2153	for (	2740	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2742	insert remove inv name archname title slaying race)],
2155	["cf::object::player" => qw(player)],	2743	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	2744	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	2745	["cf::map" => qw(trigger)],
2158	) {	2746	) {
2159	no strict 'refs';	2747	no strict 'refs';
…		…
2230	=back	2818	=back
2231		2819
2232	=cut	2820	=cut
2233		2821
2234	#############################################################################	2822	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	2823	# the server's init and main functions
2308		2824
2309	sub load_facedata {	2825	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	2826	my ($path) = @_;
		2827
		2828	my $enc = JSON::XS->new->utf8->canonical;
2311		2829
2312	warn "loading facedata from $path\n";	2830	warn "loading facedata from $path\n";
2313		2831
2314	my $facedata;	2832	my $facedata;
2315	0 < aio_load $path, $facedata	2833	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	2836	$facedata = Coro::Storable::thaw $facedata;
2319		2837
2320	$facedata->{version} == 2	2838	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	2839	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		2840
		2841	# patch in the exptable
		2842	$facedata->{resource}{"res/exp_table"} = {
		2843	type => FT_RSRC,
		2844	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
		2845	};
		2846	cf::cede_to_tick;
		2847
2323	{	2848	{
2324	my $faces = $facedata->{faceinfo};	2849	my $faces = $facedata->{faceinfo};
2325		2850
2326	while (my ($face, $info) = each %$faces) {	2851	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2853	cf::face::set_visibility $idx, $info->{visibility};
		2854	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	2857
		2858	cf::cede_to_tick;
2332	}	2859	}
2333		2860
2334	while (my ($face, $info) = each %$faces) {	2861	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	2862	next unless $info->{smooth};
2336	my $idx = cf::face::find $face	2863	my $idx = cf::face::find $face
2337	or next;	2864	or next;
2338	if (my $smooth = cf::face::find $info->{smooth}) {	2865	if (my $smooth = cf::face::find $info->{smooth}) {
		2866	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	2868	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	2869	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	2870	}
2343	Coro::cede;	2871
		2872	cf::cede_to_tick;
2344	}	2873	}
2345	}	2874	}
2346		2875
2347	{	2876	{
2348	my $anims = $facedata->{animinfo};	2877	my $anims = $facedata->{animinfo};
2349		2878
2350	while (my ($anim, $info) = each %$anims) {	2879	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	2880	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	2881	cf::cede_to_tick;
2353	}	2882	}
2354		2883
2355	cf::anim::invalidate_all; # d'oh	2884	cf::anim::invalidate_all; # d'oh
2356	}	2885	}
2357		2886
		2887	{
		2888	# TODO: for gcfclient pleasure, we should give resources
		2889	# that gcfclient doesn't grok a >10000 face index.
		2890	my $res = $facedata->{resource};
		2891
		2892	my $soundconf = delete $res->{"res/sound.conf"};
		2893
		2894	while (my ($name, $info) = each %$res) {
		2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2896	my $data;
		2897
		2898	if ($info->{type} & 1) {
		2899	# prepend meta info
		2900
		2901	my $meta = $enc->encode ({
		2902	name => $name,
		2903	%{ $info->{meta} || {} },
		2904	});
		2905
		2906	$data = pack "(w/a*)*", $meta, $info->{data};
		2907	}
		2908
		2909	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2910	cf::face::set_type $idx, $info->{type};
		2911
		2912	cf::cede_to_tick;
		2913	}
		2914
		2915	if ($soundconf) {
		2916	$soundconf = $enc->decode (delete $soundconf->{data});
		2917
		2918	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2919	my $sound = $soundconf->{compat}[$_]
		2920	or next;
		2921
		2922	my $face = cf::face::find "sound/$sound->[1]";
		2923	cf::sound::set $sound->[0] => $face;
		2924	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2925	}
		2926
		2927	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2928	my $face = cf::face::find "sound/$v";
		2929	cf::sound::set $k => $face;
		2930	}
		2931	}
		2932	}
		2933
2358	1	2934	1
2359	}	2935	}
2360		2936
		2937	register_exticmd fx_want => sub {
		2938	my ($ns, $want) = @_;
		2939
		2940	while (my ($k, $v) = each %$want) {
		2941	$ns->fx_want ($k, $v);
		2942	}
		2943	};
		2944
		2945	sub reload_regions {
		2946	load_resource_file "$MAPDIR/regions"
		2947	or die "unable to load regions file\n";
		2948
		2949	for (cf::region::list) {
		2950	$_->{match} = qr/$_->{match}/
		2951	if exists $_->{match};
		2952	}
		2953	}
		2954
		2955	sub reload_facedata {
		2956	load_facedata "$DATADIR/facedata"
		2957	or die "unable to load facedata\n";
		2958	}
		2959
		2960	sub reload_archetypes {
		2961	load_resource_file "$DATADIR/archetypes"
		2962	or die "unable to load archetypes\n";
		2963	#d# NEED to laod twice to resolve forward references
		2964	# this really needs to be done in an extra post-pass
		2965	# (which needs to be synchronous, so solve it differently)
		2966	load_resource_file "$DATADIR/archetypes"
		2967	or die "unable to load archetypes\n";
		2968	}
		2969
		2970	sub reload_treasures {
		2971	load_resource_file "$DATADIR/treasures"
		2972	or die "unable to load treasurelists\n";
		2973	}
		2974
2361	sub reload_resources {	2975	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2976	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	2977
		2978	reload_regions;
2364	load_facedata	2979	reload_facedata;
2365	or die "unable to load facedata\n";#d#	2980	#reload_archetypes;#d#
		2981	reload_archetypes;
		2982	reload_treasures;
		2983
		2984	warn "finished reloading resource files\n";
2366	}	2985	}
2367		2986
2368	sub init {	2987	sub init {
2369	reload_resources;	2988	reload_resources;
2370	}	2989	}
2371		2990
2372	sub cfg_load {	2991	sub cfg_load {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	2992	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	2993	or return;
2375		2994
2376	local $/;	2995	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	2996	*CFG = YAML::Syck::Load <$fh>;
2378		2997
…		…
2423	},	3042	},
2424	);	3043	);
2425	}	3044	}
2426	}	3045	}
2427		3046
		3047	sub write_runtime {
		3048	my $runtime = "$LOCALDIR/runtime";
		3049
		3050	# first touch the runtime file to show we are still running:
		3051	# the fsync below can take a very very long time.
		3052
		3053	IO::AIO::aio_utime $runtime, undef, undef;
		3054
		3055	my $guard = cf::lock_acquire "write_runtime";
		3056
		3057	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3058	or return;
		3059
		3060	my $value = $cf::RUNTIME + 90 + 10;
		3061	# 10 is the runtime save interval, for a monotonic clock
		3062	# 60 allows for the watchdog to kill the server.
		3063
		3064	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3065	and return;
		3066
		3067	# always fsync - this file is important
		3068	aio_fsync $fh
		3069	and return;
		3070
		3071	# touch it again to show we are up-to-date
		3072	aio_utime $fh, undef, undef;
		3073
		3074	close $fh
		3075	or return;
		3076
		3077	aio_rename "$runtime~", $runtime
		3078	and return;
		3079
		3080	warn "runtime file written.\n";
		3081
		3082	1
		3083	}
		3084
2428	sub emergency_save() {	3085	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3086	my $freeze_guard = cf::freeze_mainloop;
2430		3087
2431	warn "enter emergency perl save\n";	3088	warn "enter emergency perl save\n";
2432		3089
…		…
2463		3120
2464	warn Carp::longmess "post_cleanup backtrace"	3121	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3122	if $make_core;
2466	}	3123	}
2467		3124
2468	sub reload() {	3125	sub do_reload_perl() {
2469	# can/must only be called in main	3126	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3127	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3128	warn "can only reload from main coroutine";
2472	return;	3129	return;
2473	}	3130	}
…		…
2507	%EXT_CORO = ();	3164	%EXT_CORO = ();
2508		3165
2509	warn "removing commands";	3166	warn "removing commands";
2510	%COMMAND = ();	3167	%COMMAND = ();
2511		3168
2512	warn "removing ext commands";	3169	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3170	%EXTCMD = ();
		3171	%EXTICMD = ();
2514		3172
2515	warn "unloading/nuking all extensions";	3173	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3174	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3175	warn "... unloading $pkg";
2518		3176
…		…
2548	Symbol::delete_package "safe::$_"	3206	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3207	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3208
2551	warn "unloading cf.pm \"a bit\"";	3209	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3210	delete $INC{"cf.pm"};
		3211	delete $INC{"cf/pod.pm"};
2553		3212
2554	# don't, removes xs symbols, too,	3213	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3214	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3215	#Symbol::delete_package __PACKAGE__;
2557		3216
…		…
2572	warn "reattaching attachments to maps";	3231	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3232	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3233	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3234	reattach $_ for values %PLAYER;
2576		3235
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3236	warn "leaving sync_job";
2581		3237
2582	1	3238	1
2583	} or do {	3239	} or do {
2584	warn $@;	3240	warn $@;
…		…
2589	warn "reloaded";	3245	warn "reloaded";
2590	};	3246	};
2591		3247
2592	our $RELOAD_WATCHER; # used only during reload	3248	our $RELOAD_WATCHER; # used only during reload
2593		3249
		3250	sub reload_perl() {
		3251	# doing reload synchronously and two reloads happen back-to-back,
		3252	# coro crashes during coro_state_free->destroy here.
		3253
		3254	$RELOAD_WATCHER ||= Event->timer (
		3255	reentrant => 0,
		3256	after => 0,
		3257	data => WF_AUTOCANCEL,
		3258	cb => sub {
		3259	do_reload_perl;
		3260	undef $RELOAD_WATCHER;
		3261	},
		3262	);
		3263	}
		3264
2594	register_command "reload" => sub {	3265	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3266	my ($who, $arg) = @_;
2596		3267
2597	if ($who->flag (FLAG_WIZ)) {	3268	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3269	$who->message ("reloading server.");
2599		3270	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	}	3271	}
2613	};	3272	};
2614		3273
2615	unshift @INC, $LIBDIR;	3274	unshift @INC, $LIBDIR;
2616		3275
2617	my $bug_warning = 0;	3276	my $bug_warning = 0;
2618		3277
		3278	our @WAIT_FOR_TICK;
		3279	our @WAIT_FOR_TICK_BEGIN;
		3280
		3281	sub wait_for_tick {
		3282	return unless $TICK_WATCHER->is_active;
		3283	return if $Coro::current == $Coro::main;
		3284
		3285	my $signal = new Coro::Signal;
		3286	push @WAIT_FOR_TICK, $signal;
		3287	$signal->wait;
		3288	}
		3289
		3290	sub wait_for_tick_begin {
		3291	return unless $TICK_WATCHER->is_active;
		3292	return if $Coro::current == $Coro::main;
		3293
		3294	my $signal = new Coro::Signal;
		3295	push @WAIT_FOR_TICK_BEGIN, $signal;
		3296	$signal->wait;
		3297	}
		3298
		3299	my $min = 1e6;#d#
		3300	my $avg = 10;
2619	$TICK_WATCHER = Event->timer (	3301	$TICK_WATCHER = Event->timer (
2620	reentrant => 0,	3302	reentrant => 0,
2621	parked => 1,	3303	parked => 1,
2622	prio => 0,	3304	prio => 0,
2623	at => $NEXT_TICK || $TICK,	3305	at => $NEXT_TICK || $TICK,
…		…
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3309	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3310	unless ++$bug_warning > 10;
2629	return;	3311	return;
2630	}	3312	}
2631		3313
2632	$NOW = Event::time;	3314	$NOW = $tick_start = Event::time;
2633		3315
2634	cf::server_tick; # one server iteration	3316	cf::server_tick; # one server iteration
		3317
		3318	0 && sync_job {#d#
		3319	for(1..10) {
		3320	my $t = Event::time;
		3321	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3322	or die;
		3323
		3324	$map->width (50);
		3325	$map->height (50);
		3326	$map->alloc;
		3327	$map->_load_objects ("/tmp/x.map", 1);
		3328	my $t = Event::time - $t;
		3329
		3330	#next unless $t < 0.0013;#d#
		3331	if ($t < $min) {
		3332	$min = $t;
		3333	}
		3334	$avg = $avg * 0.99 + $t * 0.01;
		3335	}
		3336	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3337	exit 0;
		3338	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3339	};
		3340
2635	$RUNTIME += $TICK;	3341	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;	3342	$NEXT_TICK += $TICK;
2637		3343
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3344	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3345	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2641	write_runtime	3347	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3348	or warn "ERROR: unable to write runtime file: $!";
2643	};	3349	};
2644	}	3350	}
2645		3351
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;	3352	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#	3353	# warn $AFTER - $NOW;#d#
2651		3354
		3355	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3356	$sig->send;
		3357	}
		3358	while (my $sig = shift @WAIT_FOR_TICK) {
		3359	$sig->send;
		3360	}
		3361
		3362	$NOW = Event::time;
		3363
2652	# if we are delayed by four ticks or more, skip them all	3364	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3365	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2654		3366
2655	$TICK_WATCHER->at ($NEXT_TICK);	3367	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;	3368	$TICK_WATCHER->start;
		3369
		3370	$LOAD = ($NOW - $tick_start) / $TICK;
		3371	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3372
		3373	_post_tick;
		3374
		3375
2657	},	3376	},
2658	);	3377	);
2659		3378
2660	{	3379	{
2661	BDB::max_poll_time $TICK * 0.1;	3380	BDB::max_poll_time $TICK * 0.1;
…		…
2689		3408
2690	cf::sync_job {	3409	cf::sync_job {
2691	eval {	3410	eval {
2692	BDB::db_env_open	3411	BDB::db_env_open
2693	$DB_ENV,	3412	$DB_ENV,
2694	$BDB_ENV_DIR,	3413	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3414	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3415	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3416	0666;
2698		3417
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3418	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700		3419
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3420	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;	3421	$DB_ENV->set_lk_detect;
2703	};	3422	};
2704		3423
…		…
2720	prio => 6,	3439	prio => 6,
2721	cb => \&IO::AIO::poll_cb,	3440	cb => \&IO::AIO::poll_cb,
2722	);	3441	);
2723	}	3442	}
2724		3443
		3444	my $_log_backtrace;
		3445
		3446	sub _log_backtrace {
		3447	my ($msg, @addr) = @_;
		3448
		3449	$msg =~ s/\n//;
		3450
		3451	# limit the # of concurrent backtraces
		3452	if ($_log_backtrace < 2) {
		3453	++$_log_backtrace;
		3454	async {
		3455	my @bt = fork_call {
		3456	@addr = map { sprintf "%x", $_ } @addr;
		3457	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3458	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3459	or die "addr2line: $!";
		3460
		3461	my @funcs;
		3462	my @res = <$fh>;
		3463	chomp for @res;
		3464	while (@res) {
		3465	my ($func, $line) = splice @res, 0, 2, ();
		3466	push @funcs, "[$func] $line";
		3467	}
		3468
		3469	@funcs
		3470	};
		3471
		3472	LOG llevInfo, "[ABT] $msg\n";
		3473	LOG llevInfo, "[ABT] $_\n" for @bt;
		3474	--$_log_backtrace;
		3475	};
		3476	} else {
		3477	LOG llevInfo, "[ABT] $msg\n";
		3478	LOG llevInfo, "[ABT] [suppressed]\n";
		3479	}
		3480	}
		3481
		3482	# load additional modules
		3483	use cf::pod;
		3484
2725	END { cf::emergency_save }	3485	END { cf::emergency_save }
2726		3486
2727	1	3487	1
2728		3488

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines