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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 1.336 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;
		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($$@) {
1143	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1144		1509
1145	$msg{msgid} = $id;	1510	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1511	}
1149		1512
1150	=item $player->ext_event ($type, %msg)	1513	=item $player->ext_msg ($type, @msg)
1151		1514
1152	Sends an ext event to the client.	1515	Sends an ext event to the client.
1153		1516
1154	=cut	1517	=cut
1155		1518
1156	sub ext_event($$%) {	1519	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1520	my ($self, $type, @msg) = @_;
1158		1521
1159	$self->ns->ext_event ($type, %msg);	1522	$self->ns->ext_msg ($type, @msg);
1160	}	1523	}
1161		1524
1162	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	$match
		1552	}
1163		1553
1164	=back	1554	=back
1165
1166		1555
1167	=head3 cf::map	1556	=head3 cf::map
1168		1557
1169	=over 4	1558	=over 4
1170		1559
…		…
1225	my ($self, $merge) = @_;	1614	my ($self, $merge) = @_;
1226		1615
1227	# we have to keep some variables in memory intact	1616	# we have to keep some variables in memory intact
1228	local $self->{path};	1617	local $self->{path};
1229	local $self->{load_path};	1618	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1619
1233	$self->SUPER::thawer_merge ($merge);	1620	$self->SUPER::thawer_merge ($merge);
1234	}	1621	}
1235		1622
1236	sub normalise {	1623	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1670	$self->init; # pass $1 etc.
1284	return $self;	1671	return $self;
1285	}	1672	}
1286	}	1673	}
1287		1674
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1675	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1676	()
1290	}	1677	}
1291		1678
1292	sub init {	1679	sub init {
1293	my ($self) = @_;	1680	my ($self) = @_;
…		…
1308		1695
1309	# the original (read-only) location	1696	# the original (read-only) location
1310	sub load_path {	1697	sub load_path {
1311	my ($self) = @_;	1698	my ($self) = @_;
1312		1699
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1700	"$MAPDIR/$self->{path}.map"
1314	}	1701	}
1315		1702
1316	# the temporary/swap location	1703	# the temporary/swap location
1317	sub save_path {	1704	sub save_path {
1318	my ($self) = @_;	1705	my ($self) = @_;
1319		1706
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1708	"$TMPDIR/$path.map"
1322	}	1709	}
1323		1710
1324	# the unique path, undef == no special unique path	1711	# the unique path, undef == no special unique path
1325	sub uniq_path {	1712	sub uniq_path {
1326	my ($self) = @_;	1713	my ($self) = @_;
1327		1714
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1716	"$UNIQUEDIR/$path"
1330	}	1717	}
1331		1718
1332	# and all this just because we cannot iterate over	1719	# and all this just because we cannot iterate over
1333	# all maps in C++...	1720	# all maps in C++...
1334	sub change_all_map_light {	1721	sub change_all_map_light {
1335	my ($change) = @_;	1722	my ($change) = @_;
1336		1723
1337	$_->change_map_light ($change)	1724	$_->change_map_light ($change)
1338	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	$self->do_decay_objects;
1339	}	1734	}
1340		1735
1341	sub unlink_save {	1736	sub unlink_save {
1342	my ($self) = @_;	1737	my ($self) = @_;
1343		1738
…		…
1401	$self->load_header_orig	1796	$self->load_header_orig
1402	or return;	1797	or return;
1403	$self->prepare_orig;	1798	$self->prepare_orig;
1404	}	1799	}
1405		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
1406	1	1807	1
1407	}	1808	}
1408		1809
1409	sub find;	1810	sub find;
1410	sub find {	1811	sub find {
…		…
1422	$map->{last_save} = $cf::RUNTIME;	1823	$map->{last_save} = $cf::RUNTIME;
1423		1824
1424	$map->load_header	1825	$map->load_header
1425	or return;	1826	or return;
1426		1827
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	1829	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	1830	#$cf::WAIT_FOR_TICK->wait;
1430	$map->reset;	1831	$map->reset;
1431	undef $guard;	1832	undef $guard;
1432	return find $path;	1833	return find $path;
…		…
1443	my ($self) = @_;	1844	my ($self) = @_;
1444		1845
1445	local $self->{deny_reset} = 1; # loading can take a long time	1846	local $self->{deny_reset} = 1; # loading can take a long time
1446		1847
1447	my $path = $self->{path};	1848	my $path = $self->{path};
		1849
		1850	{
1448	my $guard = cf::lock_acquire "map_load:$path";	1851	my $guard = cf::lock_acquire "map_load:$path";
1449		1852
1450	return if $self->in_memory != cf::MAP_SWAPPED;	1853	return if $self->in_memory != cf::MAP_SWAPPED;
1451		1854
1452	$self->in_memory (cf::MAP_LOADING);	1855	$self->in_memory (cf::MAP_LOADING);
1453		1856
1454	$self->alloc;	1857	$self->alloc;
1455		1858
1456	$self->pre_load;	1859	$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;	1860	Coro::cede;
1482	$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;
1483	$self->difficulty ($self->estimate_difficulty)	1879	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	1880	unless $self->difficulty;
1485	Coro::cede;	1881	Coro::cede;
		1882
		1883	unless ($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;
1486	$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);
1487	}	1897	}
1488		1898
1489	$self->post_load;	1899	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	1900	}
1493		1901
1494	sub customise_for {	1902	sub customise_for {
1495	my ($self, $ob) = @_;	1903	my ($self, $ob) = @_;
1496		1904
1497	return find "~" . $ob->name . "/" . $self->{path}	1905	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	1906	if $self->per_player;
1499		1907
		1908	# return find "?party/" . $ob->name . "/" . $self->{path}
		1909	# if $self->per_party;
		1910
1500	$self	1911	$self
1501	}	1912	}
1502		1913
1503	# find and load all maps in the 3x3 area around a map	1914	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	1915	sub load_neighbours {
1505	my ($map) = @_;	1916	my ($map) = @_;
1506		1917
1507	my @diag; # diagonal neighbours	1918	my @neigh; # diagonal neighbours
1508		1919
1509	for (0 .. 3) {	1920	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	1921	my $neigh = $map->tile_path ($_)
1511	or next;	1922	or next;
1512	$neigh = find $neigh, $map	1923	$neigh = find $neigh, $map
1513	or next;	1924	or next;
1514	$neigh->load;	1925	$neigh->load;
1515		1926
		1927	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	1930	}
1519		1931
1520	for (@diag) {	1932	for (grep defined $_->[0], @neigh) {
		1933	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	1934	my $neigh = find $path, $origin
1522	or next;	1935	or next;
1523	$neigh->load;	1936	$neigh->load;
1524	}	1937	}
1525	}	1938	}
1526		1939
…		…
1550		1963
1551	undef $MAP_PREFETCH{$path};	1964	undef $MAP_PREFETCH{$path};
1552	$MAP_PREFETCHER ||= cf::async {	1965	$MAP_PREFETCHER ||= cf::async {
1553	while (%MAP_PREFETCH) {	1966	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	1967	for my $path (keys %MAP_PREFETCH) {
1555	my $map = find $path	1968	if (my $map = find $path) {
1556	or next;
1557	$map->load;	1969	$map->load;
		1970	}
1558		1971
1559	delete $MAP_PREFETCH{$path};	1972	delete $MAP_PREFETCH{$path};
1560	}	1973	}
1561	}	1974	}
1562	undef $MAP_PREFETCHER;	1975	undef $MAP_PREFETCHER;
…		…
1614		2027
1615	sub reset_at {	2028	sub reset_at {
1616	my ($self) = @_;	2029	my ($self) = @_;
1617		2030
1618	# TODO: safety, remove and allow resettable per-player maps	2031	# 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};	2032	return 1e99 if $self->{deny_reset};
1621		2033
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2034	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2035	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2036
…		…
1635	my ($self) = @_;	2047	my ($self) = @_;
1636		2048
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2049	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2050
1639	return if $self->players;	2051	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2052
1642	warn "resetting map ", $self->path;#d#	2053	warn "resetting map ", $self->path;
1643		2054
1644	$self->in_memory (cf::MAP_SWAPPED);	2055	$self->in_memory (cf::MAP_SWAPPED);
1645		2056
1646	# need to save uniques path	2057	# need to save uniques path
1647	unless ($self->{deny_save}) {	2058	unless ($self->{deny_save}) {
…		…
1679	$cf::MAP{$self->path} = $self;	2090	$cf::MAP{$self->path} = $self;
1680		2091
1681	$self->reset; # polite request, might not happen	2092	$self->reset; # polite request, might not happen
1682	}	2093	}
1683		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
1684	=item cf::map::unique_maps	2131	=item cf::map::unique_maps
1685		2132
1686	Returns an arrayref of paths of all shared maps that have	2133	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2134	instantiated unique items. May block.
1688		2135
1689	=cut	2136	=cut
1690		2137
1691	sub unique_maps() {	2138	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2139	[
1693	or return;	2140	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2141	utf8::decode $_;
1699	next if /\.pst$/;	2142	/\.map$/
1700	next unless /^$PATH_SEP/o;	2143	? normalise $_
1701		2144	: ()
1702	push @paths, cf::map::normalise $_;	2145	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2146	]
1704
1705	\@paths
1706	}	2147	}
1707		2148
1708	package cf;	2149	package cf;
1709		2150
1710	=back	2151	=back
…		…
1756		2197
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2198	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2199
1759	if ($self->{record_replies}) {	2200	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2201	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2202
1761	} 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 {
1762	$msg = $npc->name . " says: $msg" if $npc;	2211	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2212	$self->message ($msg, $flags);
		2213	}
1764	}	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 (@_);
1765	}	2225	}
1766		2226
1767	=item $player_object->may ("access")	2227	=item $player_object->may ("access")
1768		2228
1769	Returns wether the given player is authorized to access resource "access"	2229	Returns wether the given player is authorized to access resource "access"
…		…
1816	$self->deactivate_recursive;	2276	$self->deactivate_recursive;
1817		2277
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2278	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2279
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2281	if $self->map && $self->map->{path} ne "{link}";
1822		2282
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2284	}
1825		2285
1826	sub cf::object::player::leave_link {	2286	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2287	my ($self, $map, $x, $y) = @_;
		2288
		2289	return unless $self->contr->active;
1828		2290
1829	my $link_pos = delete $self->{_link_pos};	2291	my $link_pos = delete $self->{_link_pos};
1830		2292
1831	unless ($map) {	2293	unless ($map) {
1832	# restore original map position	2294	# restore original map position
…		…
1846	# use -1 or undef as default coordinates, not 0, 0	2308	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2309	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2310	if $x <=0 && $y <= 0;
1849		2311
1850	$map->load;	2312	$map->load;
1851	$map->load_diag;	2313	$map->load_neighbours;
1852		2314
1853	return unless $self->contr->active;	2315	return unless $self->contr->active;
1854	$self->activate_recursive;	2316	$self->activate_recursive;
1855		2317
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2319	$self->enter_map ($map, $x, $y);
1858	}	2320	}
1859		2321
1860	cf::player->attach (	2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861	on_logout => sub {
1862	my ($pl) = @_;
1863		2323
1864	# abort map switching before logout	2324	Moves the player to the given map-path and coordinates by first freezing
1865	if ($pl->ob->{_link_pos}) {	2325	her, loading and preparing them map, calling the provided $check callback
1866	cf::sync_job {	2326	that has to return the map if sucecssful, and then unfreezes the player on
1867	$pl->ob->leave_link	2327	the new (success) or old (failed) map position. In either case, $done will
1868	};	2328	be called at the end of this process.
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2329
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	2330	=cut
		2331
		2332	our $GOTOGEN;
1895		2333
1896	sub cf::object::player::goto {	2334	sub cf::object::player::goto {
1897	my ($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;
1898		2339
1899	$self->enter_link;	2340	$self->enter_link;
1900		2341
1901	(async {	2342	(async {
1902	my $map = eval {	2343	my $map = eval {
1903	my $map = cf::map::find $path;	2344	my $map = cf::map::find $path;
		2345
		2346	if ($map) {
1904	$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
1905	$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 $@;
1906	} or	2359	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2360
		2361	if ($gen == $self->{_goto_generation}) {
		2362	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2363	$self->leave_link ($map, $x, $y);
		2364	}
		2365
		2366	$done->() if $done;
1910	})->prio (1);	2367	})->prio (1);
1911	}	2368	}
1912		2369
1913	=item $player_object->enter_exit ($exit_object)	2370	=item $player_object->enter_exit ($exit_object)
1914		2371
…		…
1953		2410
1954	$rmp->{random_seed} ||= $exit->random_seed;	2411	$rmp->{random_seed} ||= $exit->random_seed;
1955		2412
1956	my $data = cf::to_json $rmp;	2413	my $data = cf::to_json $rmp;
1957	my $md5 = Digest::MD5::md5_hex $data;	2414	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2415	my $meta = "$RANDOMDIR/$md5.meta";
1959		2416
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2418	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2419	undef $fh;
1963	aio_rename "$meta~", $meta;	2420	aio_rename "$meta~", $meta;
…		…
1982	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;
1983	my $hp = $exit->stats->hp;	2440	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;	2441	my $sp = $exit->stats->sp;
1985		2442
1986	$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);
1987		2448
1988	(async {	2449	(async {
1989	$self->deactivate_recursive; # just to be sure	2450	$self->deactivate_recursive; # just to be sure
1990	unless (eval {	2451	unless (eval {
1991	$self->goto ($slaying, $hp, $sp);	2452	$self->goto ($slaying, $hp, $sp);
…		…
2019		2480
2020	utf8::encode $text;	2481	utf8::encode $text;
2021	$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);
2022	}	2483	}
2023		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
2024	=item $client->ext_event ($type, %msg)	2547	=item $client->ext_msg ($type, @msg)
2025		2548
2026	Sends an exti event to the client.	2549	Sends an ext event to the client.
2027		2550
2028	=cut	2551	=cut
2029		2552
2030	sub cf::client::ext_event($$%) {	2553	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	2554	my ($self, $type, @msg) = @_;
2032		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
2033	$msg{msgtype} = "event_$type";	2561	push @msg, msgtype => "event_$type";
2034	$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	}
2035	}	2582	}
2036		2583
2037	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
2038		2585
2039	Queues a query to the client, calling the given callback with	2586	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>,	2587	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>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2589
2043	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
2044	reliable at some point in the future.	2591	become reliable at some point in the future.
2045		2592
2046	=cut	2593	=cut
2047		2594
2048	sub cf::client::query {	2595	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2604	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2606
2060	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
2062	}	2611	}
2063		2612
2064	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	},
2065	on_reply => sub {	2619	on_reply => sub {
2066	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
2067		2621
2068	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
2069	# get handled first	2623	# get handled first
…		…
2081	} else {	2635	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	2637	}
2084	}	2638	}
2085	},	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	},
2086	);	2663	);
2087		2664
2088	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
2089		2666
2090	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
2131	our $safe = new Safe "safe";	2708	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	2709	our $safe_hole = new Safe::Hole;
2133		2710
2134	$SIG{FPE} = 'IGNORE';	2711	$SIG{FPE} = 'IGNORE';
2135		2712
2136	$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	));
2137		2718
2138	# here we export the classes and methods available to script code	2719	# here we export the classes and methods available to script code
2139		2720
2140	=pod	2721	=pod
2141		2722
2142	The following functions and methods are available within a safe environment:	2723	The following functions and methods are available within a safe environment:
2143		2724
2144	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
2145	cf::object::player player	2729	cf::object::player
2146	cf::player peaceful	2730	player
2147	cf::map trigger	2731
		2732	cf::player
		2733	peaceful
		2734
		2735	cf::map
		2736	trigger
2148		2737
2149	=cut	2738	=cut
2150		2739
2151	for (	2740	for (
2152	["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)],
2153	["cf::object::player" => qw(player)],	2743	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	2744	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	2745	["cf::map" => qw(trigger)],
2156	) {	2746	) {
2157	no strict 'refs';	2747	no strict 'refs';
…		…
2228	=back	2818	=back
2229		2819
2230	=cut	2820	=cut
2231		2821
2232	#############################################################################	2822	#############################################################################
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	2823	# the server's init and main functions
2306		2824
2307	sub load_facedata {	2825	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	2826	my ($path) = @_;
		2827
		2828	my $enc = JSON::XS->new->utf8->canonical;
2309		2829
2310	warn "loading facedata from $path\n";	2830	warn "loading facedata from $path\n";
2311		2831
2312	my $facedata;	2832	my $facedata;
2313	0 < aio_load $path, $facedata	2833	0 < aio_load $path, $facedata
2314	or die "$path: $!";	2834	or die "$path: $!";
2315		2835
2316	Coro::cede;
2317	$facedata = Storable::thaw $facedata;	2836	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
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

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