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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.220 by root, Sat Feb 17 23:54:35 2007 UTC vs.
Revision 1.282 by elmex, Tue Jun 19 18:15:34 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;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
20	use BDB ();	25	use BDB ();
21	use Data::Dumper;	26	use Data::Dumper;
22	use Digest::MD5;	27	use Digest::MD5;
23	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
24	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	31	use Time::HiRes;
27	use Compress::LZF;	32	use Compress::LZF;
28		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		39
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		41
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
37		44
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
39		48
40	our %COMMAND = ();	49	our %COMMAND = ();
41	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
42		51
43	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	53	our %EXTCMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
47		56
		57	our $RELOAD; # number of reloads so far
48	our @EVENT;	58	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		59
51	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	73	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	76	our $NEXT_TICK;
56	our $NOW;	77	our $NOW;
…		…
65	our $RUNTIME;	86	our $RUNTIME;
66		87
67	our %PLAYER; # all users	88	our %PLAYER; # all users
68	our %MAP; # all maps	89	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		91
76	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
		98
79	binmode STDOUT;	99	binmode STDOUT;
80	binmode STDERR;	100	binmode STDERR;
81		101
82	# read virtual server time, if available	102	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
87	}	107	}
88		108
89	mkdir cf::localdir;	109	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		111
96	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
97		113
98	sub cf::map::normalise;	114	sub cf::map::normalise;
99		115
…		…
110	=item $cf::RUNTIME	126	=item $cf::RUNTIME
111		127
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	129	every server tick.
114		130
115	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		134
117	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
119		139
120	=item $cf::NOW	140	=item $cf::NOW
121		141
122	The time of the last (current) server tick.	142	The time of the last (current) server tick.
123		143
124	=item $cf::TICK	144	=item $cf::TICK
125		145
126	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
127		157
128	=item %cf::CFG	158	=item %cf::CFG
129		159
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	161	from wherever your confdir points to.
132		162
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		164
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.
139		168
140	=back	169	=back
141		170
142	=cut	171	=cut
143		172
144	BEGIN {	173	BEGIN {
145	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	175	my $msg = join "", @_;
147	utf8::encode $msg;
148		176
149	$msg .= "\n"	177	$msg .= "\n"
150	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
151		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
152	LOG llevError, $msg;	183	LOG llevError, $msg;
153	};	184	};
154	}	185	}
155		186
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		194
163	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	196	# within the Safe compartment.
165	for my $pkg (qw(	197	for my $pkg (qw(
166	cf::global cf::attachable	198	cf::global cf::attachable
…		…
174	}	206	}
175		207
176	$Event::DIED = sub {	208	$Event::DIED = sub {
177	warn "error in event callback: @_";	209	warn "error in event callback: @_";
178	};	210	};
		211
		212	#############################################################################
179		213
180	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
181		215
182	=over 4	216	=over 4
183		217
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	237	$d
204	} || "[unable to dump $_[0]: '$@']";	238	} || "[unable to dump $_[0]: '$@']";
205	}	239	}
206		240
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
208		242
209	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
210		244
211	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
212		246
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
221		248
222	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
223
224	=cut
225
226	sub to_json($) {
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
228	JSON::Syck::Dump $_[0]
229	}
230		250
231	=item cf::lock_wait $string	251	=item cf::lock_wait $string
232		252
233	Wait until the given lock is available. See cf::lock_acquire.	253	Wait until the given lock is available. See cf::lock_acquire.
234		254
…		…
240	returned.	260	returned.
241		261
242	Lock names should begin with a unique identifier (for example, cf::map::find	262	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	263	uses map_find and cf::map::load uses map_load).
244		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
		268
245	=cut	269	=cut
246		270
247	our %LOCK;	271	our %LOCK;
248		272
249	sub lock_wait($) {	273	sub lock_wait($) {
…		…
266		290
267	Coro::guard {	291	Coro::guard {
268	# wake up all waiters, to be on the safe side	292	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	293	$_->ready for @{ delete $LOCK{$key} };
270	}	294	}
		295	}
		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
271	}	301	}
272		302
273	sub freeze_mainloop {	303	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	304	return unless $TICK_WATCHER->is_active;
275		305
…		…
290		320
291	BEGIN { *async = \&Coro::async_pool }	321	BEGIN { *async = \&Coro::async_pool }
292		322
293	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
294		324
295	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
298		329
299	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
302	fast or be very important.	333	fast or be very important.
…		…
305		336
306	sub sync_job(&) {	337	sub sync_job(&) {
307	my ($job) = @_;	338	my ($job) = @_;
308		339
309	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
310	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
312		345
313	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	347	# (but this is cancel-safe)
…		…
325		358
326	while ($busy) {	359	while ($busy) {
327	Coro::cede or Event::one_event;	360	Coro::cede or Event::one_event;
328	}	361	}
329		362
		363	$time = Event::time - $time;
		364
		365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		367
		368	$tick_start += $time; # do not account sync jobs to server load
		369
330	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
331	} else {	371	} else {
332	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
333		373
334	$job->()	374	$job->()
…		…
353	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
354		394
355	$coro	395	$coro
356	}	396	}
357		397
358	sub write_runtime {	398	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		399
361	my $runtime = cf::localdir . "/runtime";	400	Executes the given code block with the given arguments in a seperate
		401	process, returning the results. Everything must be serialisable with
		402	Coro::Storable. May, of course, block. Note that the executed sub may
		403	never block itself or use any form of Event handling.
362		404
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	=cut
364	or return;
365		406
366	my $value = $cf::RUNTIME + 90 + 10;	407	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	408	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		409
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
371	and return;	411	# or die "socketpair: $!";
		412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
372		414
373	# always fsync - this file is important	415	if (my $pid = fork) {
374	aio_fsync $fh
375	and return;
376
377	close $fh	416	close $fh2;
378	or return;
379		417
380	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
381	and return;	419	$res = Coro::Storable::thaw $res;
382		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
383	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		473	my $key = "$_[0]/$_[1]";
		474
		475	cf::sync_job {
		476	BDB::db_get $DB, undef, $key, my $data;
		477
		478	$! ? ()
		479	: $data
		480	}
		481	}
		482
		483	sub db_put($$$) {
		484	BDB::dbreq_pri 4;
		485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		486	}
		487
		488	=item cf::cache $id => [$paths...], $processversion => $process
		489
		490	Generic caching function that returns the value of the resource $id,
		491	caching and regenerating as required.
		492
		493	This function can block.
		494
		495	=cut
		496
		497	sub cache {
		498	my ($id, $src, $processversion, $process) = @_;
		499
		500	my $meta =
		501	join "\x00",
		502	$processversion,
		503	map {
		504	aio_stat $_
		505	and Carp::croak "$_: $!";
		506
		507	($_, (stat _)[7,9])
		508	} @$src;
		509
		510	my $dbmeta = db_get cache => "$id/meta";
		511	if ($dbmeta ne $meta) {
		512	# changed, we may need to process
		513
		514	my @data;
		515	my $md5;
		516
		517	for (0 .. $#$src) {
		518	0 <= aio_load $src->[$_], $data[$_]
		519	or Carp::croak "$src->[$_]: $!";
		520	}
		521
		522	# if processing is expensive, check
		523	# checksum first
		524	if (1) {
		525	$md5 =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	Coro::cede;
		530	($src->[$_], Digest::MD5::md5_hex $data[$_])
		531	} 0.. $#$src;
		532
		533
		534	my $dbmd5 = db_get cache => "$id/md5";
		535	if ($dbmd5 eq $md5) {
		536	db_put cache => "$id/meta", $meta;
		537
		538	return db_get cache => "$id/data";
		539	}
		540	}
		541
		542	my $t1 = Time::HiRes::time;
		543	my $data = $process->(\@data);
		544	my $t2 = Time::HiRes::time;
		545
		546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		547
		548	db_put cache => "$id/data", $data;
		549	db_put cache => "$id/md5" , $md5;
		550	db_put cache => "$id/meta", $meta;
		551
		552	return $data;
		553	}
		554
		555	db_get cache => "$id/data"
		556	}
		557
		558	=item cf::datalog type => key => value, ...
		559
		560	Log a datalog packet of the given type with the given key-value pairs.
		561
		562	=cut
		563
		564	sub datalog($@) {
		565	my ($type, %kv) = @_;
		566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	567	}
385		568
386	=back	569	=back
387		570
388	=cut	571	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	578	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
397		580
398	In the following description, CLASS can be any of C<global>, C<object>	581	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	582	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	583	Crossfire TRT).
401		584
402	=over 4	585	=over 4
403		586
404	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
405		588
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
569		752
570	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		757
575	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	759	my $pkg = shift @arg;
577		760
578	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
608	}	791	}
609		792
610	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
611	} else {	794	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	796	}
614		797
615	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
616	}	799	}
617		800
…		…
619	if (ref $_[0]) {	802	if (ref $_[0]) {
620	_object_attach @_;	803	_object_attach @_;
621	} else {	804	} else {
622	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
623	}	806	}
		807	_recalc_want;
624	};	808	};
625		809
626	# all those should be optimised	810	# all those should be optimised
627	sub cf::attachable::detach {	811	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
632	reattach ($obj);	816	reattach ($obj);
633	} else {	817	} else {
634	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
635	}	819	}
		820	_recalc_want;
636	};	821	};
637		822
638	sub cf::attachable::attached {	823	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
640		825
…		…
813	or return;	998	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1000	}
816		1001
817	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	1004	return ($data, $av);
820	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
821		1012
822	#############################################################################	1013	#############################################################################
823	# command handling &c	1014	# command handling &c
824		1015
825	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1030	}
840		1031
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1033
843	Register a callbackf ro execution when the client sends an extcmd packet.	1034	Register a callback fro execution when the client sends an extcmd packet.
844		1035
845	If the callback returns something, it is sent back as if reply was being	1036	If the callback returns something, it is sent back as if reply was being
846	called.	1037	called.
847		1038
848	=cut	1039	=cut
…		…
883		1074
884	cf::override;	1075	cf::override;
885	},	1076	},
886	);	1077	);
887		1078
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
923	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1084	next unless -r $path;
925	eval {	1085
926	load_extension $ext;	1086	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1087	my $base = $1;
		1088	my $pkg = $1;
		1089	$pkg =~ s/[^[:word:]]/_/g;
		1090	$pkg = "ext::$pkg";
		1091
		1092	open my $fh, "<:utf8", $path
		1093	or die "$path: $!";
		1094
		1095	my $source = do { local $/; <$fh> };
		1096
		1097	my %ext = (
		1098	path => $path,
		1099	base => $base,
		1100	pkg => $pkg,
		1101	);
		1102
		1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1105
		1106	$ext{source} =
		1107	"package $pkg; use strict; use utf8;\n"
		1108	. "#line 1 \"$path\"\n{\n"
		1109	. $source
		1110	. "\n};\n1";
		1111
		1112	$todo{$base} = \%ext;
		1113	}
		1114
		1115	my %done;
		1116	while (%todo) {
		1117	my $progress;
		1118
		1119	while (my ($k, $v) = each %todo) {
		1120	for (split /,\s*/, $v->{meta}{depends}) {
		1121	goto skip
		1122	unless exists $done{$_};
		1123	}
		1124
		1125	warn "... loading '$k' into '$v->{pkg}'\n";
		1126
		1127	unless (eval $v->{source}) {
		1128	my $msg = $@ ? "$v->{path}: $@\n"
		1129	: "$v->{base}: extension inactive.\n";
		1130
		1131	if (exists $v->{meta}{mandatory}) {
		1132	warn $msg;
		1133	warn "mandatory extension failed to load, exiting.\n";
		1134	exit 1;
		1135	}
		1136
		1137	warn $msg;
		1138	}
		1139
		1140	$done{$k} = delete $todo{$k};
		1141	push @EXTS, $v->{pkg};
		1142	$progress = 1;
927	1	1143	}
928	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
929	}	1149	};
930	}	1150	}
931		1151
932	#############################################################################	1152	#############################################################################
933		1153
		1154	=back
		1155
934	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
935		1157
936	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
937		1159
938	=cut	1160	=cut
…		…
950	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
951		1173
952	=cut	1174	=cut
953		1175
954	sub playerdir($) {	1176	sub playerdir($) {
955	cf::localdir	1177	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1179	}
961		1180
962	sub path($) {	1181	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1183
965	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
966	}	1185	}
967		1186
968	sub find_active($) {	1187	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1202	my $login = $_[0];
984		1203
985	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
986		1205
987	$cf::PLAYER{$_[0]} || do {	1206	$cf::PLAYER{$_[0]} || do {
		1207	# rename old playerfiles to new ones
		1208	#TODO: remove when no longer required
		1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1212	aio_unlink +(playerdir $login) . "/$login.pl";
		1213
988	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
989	or return;	1215	or return;
990	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
991	}	1217	}
992	}	1218	}
…		…
1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;	1280	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1055		1281
1056	IO::AIO::aio_rmtree $temp;	1282	IO::AIO::aio_rmtree $temp;
1057	}	1283	}
1058		1284
		1285	=item $pl->kick
		1286
		1287	Kicks a player out of the game. This destroys the connection.
		1288
		1289	=cut
		1290
		1291	sub kick {
		1292	my ($pl, $kicker) = @_;
		1293
		1294	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1295	$pl->killer ("kicked");
		1296	$pl->ns->destroy;
		1297	}
		1298
1059	=item cf::player::list_logins	1299	=item cf::player::list_logins
1060		1300
1061	Returns am arrayref of all valid playernames in the system, can take a	1301	Returns am arrayref of all valid playernames in the system, can take a
1062	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1063		1303
1064	=cut	1304	=cut
1065		1305
1066	sub list_logins {	1306	sub list_logins {
1067	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1068	or return [];	1308	or return [];
1069		1309
1070	my @logins;	1310	my @logins;
1071		1311
1072	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
…		…
1107	}	1347	}
1108		1348
1109	\@paths	1349	\@paths
1110	}	1350	}
1111		1351
1112	=item $player->ext_reply ($msgid, $msgtype, %msg)	1352	=item $player->ext_reply ($msgid, %msg)
1113		1353
1114	Sends an ext reply to the player.	1354	Sends an ext reply to the player.
1115		1355
1116	=cut	1356	=cut
1117		1357
1118	sub ext_reply($$$%) {	1358	sub ext_reply($$%) {
1119	my ($self, $id, %msg) = @_;	1359	my ($self, $id, %msg) = @_;
1120		1360
1121	$msg{msgid} = $id;	1361	$msg{msgid} = $id;
1122		1362
1123	$self->send ("ext " . cf::to_json \%msg);	1363	$self->send ("ext " . cf::to_json \%msg);
1124	}	1364	}
1125		1365
1126	package cf;	1366	=item $player->ext_event ($type, %msg)
		1367
		1368	Sends an ext event to the client.
		1369
		1370	=cut
		1371
		1372	sub ext_event($$%) {
		1373	my ($self, $type, %msg) = @_;
		1374
		1375	$self->ns->ext_event ($type, %msg);
		1376	}
		1377
		1378	=head3 cf::region
		1379
		1380	=over 4
		1381
		1382	=cut
		1383
		1384	package cf::region;
		1385
		1386	=item cf::region::find_by_path $path
		1387
		1388	Tries to decuce the likely region for a map knowing only its path.
		1389
		1390	=cut
		1391
		1392	sub find_by_path($) {
		1393	my ($path) = @_;
		1394
		1395	my ($match, $specificity);
		1396
		1397	for my $region (list) {
		1398	if ($region->match && $path =~ $region->match) {
		1399	($match, $specificity) = ($region, $region->specificity)
		1400	if $region->specificity > $specificity;
		1401	}
		1402	}
		1403
		1404	$match
		1405	}
1127		1406
1128	=back	1407	=back
1129
1130		1408
1131	=head3 cf::map	1409	=head3 cf::map
1132		1410
1133	=over 4	1411	=over 4
1134		1412
…		…
1189	my ($self, $merge) = @_;	1467	my ($self, $merge) = @_;
1190		1468
1191	# we have to keep some variables in memory intact	1469	# we have to keep some variables in memory intact
1192	local $self->{path};	1470	local $self->{path};
1193	local $self->{load_path};	1471	local $self->{load_path};
1194	local $self->{deny_save};
1195	local $self->{deny_reset};
1196		1472
1197	$self->SUPER::thawer_merge ($merge);	1473	$self->SUPER::thawer_merge ($merge);
1198	}	1474	}
1199		1475
1200	sub normalise {	1476	sub normalise {
…		…
1272		1548
1273	# the original (read-only) location	1549	# the original (read-only) location
1274	sub load_path {	1550	sub load_path {
1275	my ($self) = @_;	1551	my ($self) = @_;
1276		1552
1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1553	"$MAPDIR/$self->{path}.map"
1278	}	1554	}
1279		1555
1280	# the temporary/swap location	1556	# the temporary/swap location
1281	sub save_path {	1557	sub save_path {
1282	my ($self) = @_;	1558	my ($self) = @_;
1283		1559
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1561	"$TMPDIR/$path.map"
1286	}	1562	}
1287		1563
1288	# the unique path, undef == no special unique path	1564	# the unique path, undef == no special unique path
1289	sub uniq_path {	1565	sub uniq_path {
1290	my ($self) = @_;	1566	my ($self) = @_;
1291		1567
1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1569	"$UNIQUEDIR/$path"
1294	}	1570	}
1295		1571
1296	# and all this just because we cannot iterate over	1572	# and all this just because we cannot iterate over
1297	# all maps in C++...	1573	# all maps in C++...
1298	sub change_all_map_light {	1574	sub change_all_map_light {
1299	my ($change) = @_;	1575	my ($change) = @_;
1300		1576
1301	$_->change_map_light ($change)	1577	$_->change_map_light ($change)
1302	for grep $_->outdoor, values %cf::MAP;	1578	for grep $_->outdoor, values %cf::MAP;
		1579	}
		1580
		1581	sub decay_objects {
		1582	my ($self) = @_;
		1583
		1584	return if $self->{deny_reset};
		1585
		1586	$self->do_decay_objects;
1303	}	1587	}
1304		1588
1305	sub unlink_save {	1589	sub unlink_save {
1306	my ($self) = @_;	1590	my ($self) = @_;
1307		1591
…		…
1365	$self->load_header_orig	1649	$self->load_header_orig
1366	or return;	1650	or return;
1367	$self->prepare_orig;	1651	$self->prepare_orig;
1368	}	1652	}
1369		1653
		1654	$self->{deny_reset} = 1
		1655	if $self->no_reset;
		1656
		1657	$self->default_region (cf::region::find_by_path $self->{path})
		1658	unless $self->default_region;
		1659
1370	1	1660	1
1371	}	1661	}
1372		1662
1373	sub find;	1663	sub find;
1374	sub find {	1664	sub find {
…		…
1386	$map->{last_save} = $cf::RUNTIME;	1676	$map->{last_save} = $cf::RUNTIME;
1387		1677
1388	$map->load_header	1678	$map->load_header
1389	or return;	1679	or return;
1390		1680
1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1392	# doing this can freeze the server in a sync job, obviously	1682	# doing this can freeze the server in a sync job, obviously
1393	#$cf::WAIT_FOR_TICK->wait;	1683	#$cf::WAIT_FOR_TICK->wait;
1394	$map->reset;	1684	$map->reset;
1395	undef $guard;	1685	undef $guard;
1396	return find $path;	1686	return find $path;
…		…
1407	my ($self) = @_;	1697	my ($self) = @_;
1408		1698
1409	local $self->{deny_reset} = 1; # loading can take a long time	1699	local $self->{deny_reset} = 1; # loading can take a long time
1410		1700
1411	my $path = $self->{path};	1701	my $path = $self->{path};
		1702
		1703	{
1412	my $guard = cf::lock_acquire "map_load:$path";	1704	my $guard = cf::lock_acquire "map_load:$path";
1413		1705
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1706	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1707
1416	$self->in_memory (cf::MAP_LOADING);	1708	$self->in_memory (cf::MAP_LOADING);
1417		1709
1418	$self->alloc;	1710	$self->alloc;
1419		1711
1420	$self->pre_load;	1712	$self->pre_load;
1421
1422	$self->_load_objects ($self->{load_path}, 1)
1423	or return;
1424
1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1426	if delete $self->{load_original};
1427
1428	if (my $uniq = $self->uniq_path) {
1429	utf8::encode $uniq;
1430	if (aio_open $uniq, O_RDONLY, 0) {
1431	$self->clear_unique_items;
1432	$self->_load_objects ($uniq, 0);
1433	}
1434	}
1435
1436	Coro::cede;
1437
1438	# now do the right thing for maps
1439	$self->link_multipart_objects;
1440
1441	unless ($self->{deny_activate}) {
1442	$self->decay_objects;
1443	$self->fix_auto_apply;
1444	$self->update_buttons;
1445	Coro::cede;	1713	Coro::cede;
1446	$self->set_darkness_map;	1714
		1715	$self->_load_objects ($self->{load_path}, 1)
		1716	or return;
		1717
		1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1719	if delete $self->{load_original};
		1720
		1721	if (my $uniq = $self->uniq_path) {
		1722	utf8::encode $uniq;
		1723	if (aio_open $uniq, O_RDONLY, 0) {
		1724	$self->clear_unique_items;
		1725	$self->_load_objects ($uniq, 0);
		1726	}
		1727	}
		1728
		1729	Coro::cede;
		1730	# now do the right thing for maps
		1731	$self->link_multipart_objects;
1447	$self->difficulty ($self->estimate_difficulty)	1732	$self->difficulty ($self->estimate_difficulty)
1448	unless $self->difficulty;	1733	unless $self->difficulty;
1449	Coro::cede;	1734	Coro::cede;
		1735
		1736	unless ($self->{deny_activate}) {
		1737	$self->decay_objects;
		1738	$self->fix_auto_apply;
		1739	$self->update_buttons;
		1740	Coro::cede;
		1741	$self->set_darkness_map;
		1742	Coro::cede;
1450	$self->activate;	1743	$self->activate;
		1744	}
		1745
		1746	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	1747	}
1452		1748
1453	$self->post_load;	1749	$self->post_load;
1454
1455	$self->in_memory (cf::MAP_IN_MEMORY);
1456	}	1750	}
1457		1751
1458	sub customise_for {	1752	sub customise_for {
1459	my ($self, $ob) = @_;	1753	my ($self, $ob) = @_;
1460		1754
1461	return find "~" . $ob->name . "/" . $self->{path}	1755	return find "~" . $ob->name . "/" . $self->{path}
1462	if $self->per_player;	1756	if $self->per_player;
		1757
		1758	# return find "?party/" . $ob->name . "/" . $self->{path}
		1759	# if $self->per_party;
1463		1760
1464	$self	1761	$self
1465	}	1762	}
1466		1763
1467	# find and load all maps in the 3x3 area around a map	1764	# find and load all maps in the 3x3 area around a map
…		…
1578		1875
1579	sub reset_at {	1876	sub reset_at {
1580	my ($self) = @_;	1877	my ($self) = @_;
1581		1878
1582	# TODO: safety, remove and allow resettable per-player maps	1879	# TODO: safety, remove and allow resettable per-player maps
1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1584	return 1e99 if $self->{deny_reset};	1880	return 1e99 if $self->{deny_reset};
1585		1881
1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1882	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1587	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1883	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1588		1884
…		…
1599	my ($self) = @_;	1895	my ($self) = @_;
1600		1896
1601	my $lock = cf::lock_acquire "map_data:$self->{path}";	1897	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		1898
1603	return if $self->players;	1899	return if $self->players;
1604	return if $self->isa ("ext::map_per_player");#d#
1605		1900
1606	warn "resetting map ", $self->path;#d#	1901	warn "resetting map ", $self->path;
1607		1902
1608	$self->in_memory (cf::MAP_SWAPPED);	1903	$self->in_memory (cf::MAP_SWAPPED);
1609		1904
1610	# need to save uniques path	1905	# need to save uniques path
1611	unless ($self->{deny_save}) {	1906	unless ($self->{deny_save}) {
…		…
1643	$cf::MAP{$self->path} = $self;	1938	$cf::MAP{$self->path} = $self;
1644		1939
1645	$self->reset; # polite request, might not happen	1940	$self->reset; # polite request, might not happen
1646	}	1941	}
1647		1942
		1943	=item $maps = cf::map::tmp_maps
		1944
		1945	Returns an arrayref with all map paths of currently instantiated and saved
		1946	maps. May block.
		1947
		1948	=cut
		1949
		1950	sub tmp_maps() {
		1951	[
		1952	map {
		1953	utf8::decode $_;
		1954	/\.map$/
		1955	? normalise $_
		1956	: ()
		1957	} @{ aio_readdir $TMPDIR or [] }
		1958	]
		1959	}
		1960
		1961	=item $maps = cf::map::random_maps
		1962
		1963	Returns an arrayref with all map paths of currently instantiated and saved
		1964	random maps. May block.
		1965
		1966	=cut
		1967
		1968	sub random_maps() {
		1969	[
		1970	map {
		1971	utf8::decode $_;
		1972	/\.map$/
		1973	? normalise "?random/$_"
		1974	: ()
		1975	} @{ aio_readdir $RANDOMDIR or [] }
		1976	]
		1977	}
		1978
1648	=item cf::map::unique_maps	1979	=item cf::map::unique_maps
1649		1980
1650	Returns an arrayref of paths of all shared maps that have	1981	Returns an arrayref of paths of all shared maps that have
1651	instantiated unique items. May block.	1982	instantiated unique items. May block.
1652		1983
1653	=cut	1984	=cut
1654		1985
1655	sub unique_maps() {	1986	sub unique_maps() {
1656	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1987	[
1657	or return;	1988	map {
1658
1659	my @paths;
1660
1661	for (@$files) {
1662	utf8::decode $_;	1989	utf8::decode $_;
1663	next if /\.pst$/;	1990	/\.map$/
1664	next unless /^$PATH_SEP/o;	1991	? normalise $_
1665		1992	: ()
1666	push @paths, cf::map::normalise $_;	1993	} @{ aio_readdir $UNIQUEDIR or [] }
1667	}	1994	]
1668
1669	\@paths
1670	}	1995	}
1671		1996
1672	package cf;	1997	package cf;
1673		1998
1674	=back	1999	=back
…		…
1720		2045
1721	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2046	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1722		2047
1723	if ($self->{record_replies}) {	2048	if ($self->{record_replies}) {
1724	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2049	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2050
1725	} else {	2051	} else {
		2052	my $pl = $self->contr;
		2053
		2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2055	my $diag = $pl->{npc_dialog};
		2056	$diag->{pl}->ext_reply (
		2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
		2058	);
		2059
		2060	} else {
1726	$msg = $npc->name . " says: $msg" if $npc;	2061	$msg = $npc->name . " says: $msg" if $npc;
1727	$self->message ($msg, $flags);	2062	$self->message ($msg, $flags);
		2063	}
1728	}	2064	}
1729	}	2065	}
1730		2066
1731	=item $player_object->may ("access")	2067	=item $player_object->may ("access")
1732		2068
…		…
1780	$self->deactivate_recursive;	2116	$self->deactivate_recursive;
1781		2117
1782	return if UNIVERSAL::isa $self->map, "ext::map_link";	2118	return if UNIVERSAL::isa $self->map, "ext::map_link";
1783		2119
1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1785	if $self->map;	2121	if $self->map && $self->map->{path} ne "{link}";
1786		2122
1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1788	}	2124	}
1789		2125
1790	sub cf::object::player::leave_link {	2126	sub cf::object::player::leave_link {
1791	my ($self, $map, $x, $y) = @_;	2127	my ($self, $map, $x, $y) = @_;
		2128
		2129	return unless $self->contr->active;
1792		2130
1793	my $link_pos = delete $self->{_link_pos};	2131	my $link_pos = delete $self->{_link_pos};
1794		2132
1795	unless ($map) {	2133	unless ($map) {
1796	# restore original map position	2134	# restore original map position
…		…
1819		2157
1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1821	$self->enter_map ($map, $x, $y);	2159	$self->enter_map ($map, $x, $y);
1822	}	2160	}
1823		2161
1824	cf::player->attach (
1825	on_logout => sub {
1826	my ($pl) = @_;
1827
1828	# abort map switching before logout
1829	if ($pl->ob->{_link_pos}) {
1830	cf::sync_job {
1831	$pl->ob->leave_link
1832	};
1833	}
1834	},
1835	on_login => sub {
1836	my ($pl) = @_;
1837
1838	# try to abort aborted map switching on player login :)
1839	# should happen only on crashes
1840	if ($pl->ob->{_link_pos}) {
1841	$pl->ob->enter_link;
1842	(async {
1843	$pl->ob->reply (undef,
1844	"There was an internal problem at your last logout, "
1845	. "the server will try to bring you to your intended destination in a second.",
1846	cf::NDI_RED);
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	Coro::Timer::sleep 1;
1850	$pl->ob->leave_link;
1851	})->prio (2);
1852	}
1853	},
1854	);
1855
1856	=item $player_object->goto ($path, $x, $y)	2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1857		2163
		2164	Moves the player to the given map-path and coordinates by first freezing
		2165	her, loading and preparing them map, calling the provided $check callback
		2166	that has to return the map if sucecssful, and then unfreezes the player on
		2167	the new (success) or old (failed) map position.
		2168
1858	=cut	2169	=cut
		2170
		2171	our $GOTOGEN;
1859		2172
1860	sub cf::object::player::goto {	2173	sub cf::object::player::goto {
1861	my ($self, $path, $x, $y) = @_;	2174	my ($self, $path, $x, $y, $check) = @_;
		2175
		2176	# do generation counting so two concurrent goto's will be executed in-order
		2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1862		2178
1863	$self->enter_link;	2179	$self->enter_link;
1864		2180
1865	(async {	2181	(async {
1866	my $map = eval {	2182	my $map = eval {
1867	my $map = cf::map::find $path;	2183	my $map = cf::map::find $path;
		2184
		2185	if ($map) {
1868	$map = $map->customise_for ($self) if $map;	2186	$map = $map->customise_for ($self);
		2187	$map = $check->($map) if $check && $map;
		2188	} else {
		2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2190	}
		2191
1869	$map	2192	$map
		2193	};
		2194
		2195	if ($@) {
		2196	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2197	LOG llevError | logBacktrace, Carp::longmess $@;
1870	} or	2198	}
1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1872		2199
		2200	if ($gen == $self->{_goto_generation}) {
		2201	delete $self->{_goto_generation};
1873	$self->leave_link ($map, $x, $y);	2202	$self->leave_link ($map, $x, $y);
		2203	}
1874	})->prio (1);	2204	})->prio (1);
1875	}	2205	}
1876		2206
1877	=item $player_object->enter_exit ($exit_object)	2207	=item $player_object->enter_exit ($exit_object)
1878		2208
…		…
1917		2247
1918	$rmp->{random_seed} ||= $exit->random_seed;	2248	$rmp->{random_seed} ||= $exit->random_seed;
1919		2249
1920	my $data = cf::to_json $rmp;	2250	my $data = cf::to_json $rmp;
1921	my $md5 = Digest::MD5::md5_hex $data;	2251	my $md5 = Digest::MD5::md5_hex $data;
1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2252	my $meta = "$RANDOMDIR/$md5.meta";
1923		2253
1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1925	aio_write $fh, 0, (length $data), $data, 0;	2255	aio_write $fh, 0, (length $data), $data, 0;
1926	undef $fh;	2256	undef $fh;
1927	aio_rename "$meta~", $meta;	2257	aio_rename "$meta~", $meta;
…		…
1936		2266
1937	return unless $self->type == cf::PLAYER;	2267	return unless $self->type == cf::PLAYER;
1938		2268
1939	if ($exit->slaying eq "/!") {	2269	if ($exit->slaying eq "/!") {
1940	#TODO: this should de-fi-ni-te-ly not be a sync-job	2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2271	# the problem is that $exit might not survive long enough
		2272	# so it needs to be done right now, right here
1941	cf::sync_job { prepare_random_map $exit };	2273	cf::sync_job { prepare_random_map $exit };
1942	}	2274	}
1943		2275
1944	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1945	my $hp = $exit->stats->hp;	2277	my $hp = $exit->stats->hp;
…		…
1953	$self->goto ($slaying, $hp, $sp);	2285	$self->goto ($slaying, $hp, $sp);
1954		2286
1955	1;	2287	1;
1956	}) {	2288	}) {
1957	$self->message ("Something went wrong deep within the crossfire server. "	2289	$self->message ("Something went wrong deep within the crossfire server. "
1958	. "I'll try to bring you back to the map you were before. "	2290	. "I'll try to bring you back to the map you were before. "
1959	. "Please report this to the dungeon master!",	2291	. "Please report this to the dungeon master!",
1960	cf::NDI_UNIQUE | cf::NDI_RED);	2292	cf::NDI_UNIQUE | cf::NDI_RED);
1961		2293
1962	warn "ERROR in enter_exit: $@";	2294	warn "ERROR in enter_exit: $@";
1963	$self->leave_link;	2295	$self->leave_link;
1964	}	2296	}
1965	})->prio (1);	2297	})->prio (1);
…		…
1978		2310
1979	sub cf::client::send_drawinfo {	2311	sub cf::client::send_drawinfo {
1980	my ($self, $text, $flags) = @_;	2312	my ($self, $text, $flags) = @_;
1981		2313
1982	utf8::encode $text;	2314	utf8::encode $text;
1983	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1984	}	2316	}
1985		2317
		2318	=item $client->ext_event ($type, %msg)
		2319
		2320	Sends an exti event to the client.
		2321
		2322	=cut
		2323
		2324	sub cf::client::ext_event($$%) {
		2325	my ($self, $type, %msg) = @_;
		2326
		2327	$msg{msgtype} = "event_$type";
		2328	$self->send_packet ("ext " . cf::to_json \%msg);
		2329	}
1986		2330
1987	=item $success = $client->query ($flags, "text", \&cb)	2331	=item $success = $client->query ($flags, "text", \&cb)
1988		2332
1989	Queues a query to the client, calling the given callback with	2333	Queues a query to the client, calling the given callback with
1990	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2087		2431
2088	# here we export the classes and methods available to script code	2432	# here we export the classes and methods available to script code
2089		2433
2090	=pod	2434	=pod
2091		2435
2092	The following fucntions and emthods are available within a safe environment:	2436	The following functions and methods are available within a safe environment:
2093		2437
2094	cf::object contr pay_amount pay_player map	2438	cf::object contr pay_amount pay_player map
2095	cf::object::player player	2439	cf::object::player player
2096	cf::player peaceful	2440	cf::player peaceful
2097	cf::map trigger	2441	cf::map trigger
…		…
2178	=back	2522	=back
2179		2523
2180	=cut	2524	=cut
2181		2525
2182	#############################################################################	2526	#############################################################################
2183
2184	=head2 EXTENSION DATABASE SUPPORT
2185
2186	Crossfire maintains a very simple database for extension use. It can
2187	currently store anything that can be serialised using Storable, which
2188	excludes objects.
2189
2190	The parameter C<$family> should best start with the name of the extension
2191	using it, it should be unique.
2192
2193	=over 4
2194
2195	=item $value = cf::db_get $family => $key
2196
2197	Returns a single value from the database.
2198
2199	=item cf::db_put $family => $key => $value
2200
2201	Stores the given C<$value> in the family.
2202
2203	=cut
2204
2205	our $DB;
2206
2207	sub db_init {
2208	unless ($DB) {
2209	$DB = BDB::db_create $DB_ENV;
2210
2211	cf::sync_job {
2212	eval {
2213	$DB->set_flags (BDB::CHKSUM);
2214
2215	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2217	cf::cleanup "db_open(db): $!" if $!;
2218	};
2219	cf::cleanup "db_open(db): $@" if $@;
2220	};
2221
2222	my $path = cf::localdir . "/database.pst";
2223	if (stat $path) {
2224	cf::sync_job {
2225	my $pst = Storable::retrieve $path;
2226
2227	cf::db_put (board => data => $pst->{board});
2228	cf::db_put (guildrules => data => $pst->{guildrules});
2229	cf::db_put (rent => balance => $pst->{rent}{balance});
2230	BDB::db_env_txn_checkpoint $DB_ENV;
2231
2232	unlink $path;
2233	};
2234	}
2235	}
2236	}
2237
2238	sub db_get($$) {
2239	my $key = "$_[0]/$_[1]";
2240
2241	cf::sync_job {
2242	BDB::db_get $DB, undef, $key, my $data;
2243
2244	$! ? ()
2245	: Compress::LZF::sthaw $data
2246	}
2247	}
2248
2249	sub db_put($$$) {
2250	BDB::dbreq_pri 4;
2251	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2252	}
2253
2254	#############################################################################
2255	# the server's init and main functions	2527	# the server's init and main functions
2256		2528
2257	sub init_resources {	2529	sub load_facedata($) {
2258	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2530	my ($path) = @_;
		2531
		2532	warn "loading facedata from $path\n";
		2533
		2534	my $facedata;
		2535	0 < aio_load $path, $facedata
		2536	or die "$path: $!";
		2537
		2538	$facedata = Coro::Storable::thaw $facedata;
		2539
		2540	$facedata->{version} == 2
		2541	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2542
		2543	{
		2544	my $faces = $facedata->{faceinfo};
		2545
		2546	while (my ($face, $info) = each %$faces) {
		2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2551	Coro::cede;
		2552	}
		2553
		2554	while (my ($face, $info) = each %$faces) {
		2555	next unless $info->{smooth};
		2556	my $idx = cf::face::find $face
		2557	or next;
		2558	if (my $smooth = cf::face::find $info->{smooth}) {
		2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2560	} else {
		2561	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2562	}
		2563	Coro::cede;
		2564	}
		2565	}
		2566
		2567	{
		2568	my $anims = $facedata->{animinfo};
		2569
		2570	while (my ($anim, $info) = each %$anims) {
		2571	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2572	Coro::cede;
		2573	}
		2574
		2575	cf::anim::invalidate_all; # d'oh
		2576	}
		2577
		2578	1
		2579	}
		2580
		2581	sub reload_regions {
		2582	load_resource_file "$MAPDIR/regions"
2259	or die "unable to load regions file\n";#d#	2583	or die "unable to load regions file\n";
		2584	}
		2585
		2586	sub reload_facedata {
		2587	load_facedata "$DATADIR/facedata"
		2588	or die "unable to load facedata\n";
		2589	}
		2590
		2591	sub reload_archetypes {
		2592	load_resource_file "$DATADIR/archetypes"
		2593	or die "unable to load archetypes\n";
		2594	}
		2595
		2596	sub reload_treasures {
		2597	load_resource_file "$DATADIR/treasures"
		2598	or die "unable to load treasurelists\n";
		2599	}
		2600
		2601	sub reload_resources {
		2602	warn "reloading resource files...\n";
		2603
		2604	reload_regions;
		2605	reload_facedata;
		2606	#reload_archetypes;#d#
		2607	reload_archetypes;
		2608	reload_treasures;
		2609
		2610	warn "finished reloading resource files\n";
		2611	}
		2612
		2613	sub init {
		2614	reload_resources;
2260	}	2615	}
2261		2616
2262	sub cfg_load {	2617	sub cfg_load {
2263	open my $fh, "<:utf8", cf::confdir . "/config"	2618	open my $fh, "<:utf8", "$CONFDIR/config"
2264	or return;	2619	or return;
2265		2620
2266	local $/;	2621	local $/;
2267	*CFG = YAML::Syck::Load <$fh>;	2622	*CFG = YAML::Syck::Load <$fh>;
2268		2623
…		…
2276	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2631	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2277	and die "WARNING: m(un)lockall failed: $!\n";	2632	and die "WARNING: m(un)lockall failed: $!\n";
2278	};	2633	};
2279	warn $@ if $@;	2634	warn $@ if $@;
2280	}	2635	}
2281	}
2282
2283	sub init {
2284	init_resources;
2285	}	2636	}
2286		2637
2287	sub main {	2638	sub main {
2288	# we must not ever block the main coroutine	2639	# we must not ever block the main coroutine
2289	local $Coro::idle = sub {	2640	local $Coro::idle = sub {
…		…
2317	},	2668	},
2318	);	2669	);
2319	}	2670	}
2320	}	2671	}
2321		2672
		2673	sub write_runtime {
		2674	my $runtime = "$LOCALDIR/runtime";
		2675
		2676	# first touch the runtime file to show we are still running:
		2677	# the fsync below can take a very very long time.
		2678
		2679	IO::AIO::aio_utime $runtime, undef, undef;
		2680
		2681	my $guard = cf::lock_acquire "write_runtime";
		2682
		2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2684	or return;
		2685
		2686	my $value = $cf::RUNTIME + 90 + 10;
		2687	# 10 is the runtime save interval, for a monotonic clock
		2688	# 60 allows for the watchdog to kill the server.
		2689
		2690	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2691	and return;
		2692
		2693	# always fsync - this file is important
		2694	aio_fsync $fh
		2695	and return;
		2696
		2697	# touch it again to show we are up-to-date
		2698	aio_utime $fh, undef, undef;
		2699
		2700	close $fh
		2701	or return;
		2702
		2703	aio_rename "$runtime~", $runtime
		2704	and return;
		2705
		2706	warn "runtime file written.\n";
		2707
		2708	1
		2709	}
		2710
2322	sub emergency_save() {	2711	sub emergency_save() {
2323	my $freeze_guard = cf::freeze_mainloop;	2712	my $freeze_guard = cf::freeze_mainloop;
2324		2713
2325	warn "enter emergency perl save\n";	2714	warn "enter emergency perl save\n";
2326		2715
…		…
2357		2746
2358	warn Carp::longmess "post_cleanup backtrace"	2747	warn Carp::longmess "post_cleanup backtrace"
2359	if $make_core;	2748	if $make_core;
2360	}	2749	}
2361		2750
2362	sub reload() {	2751	sub do_reload_perl() {
2363	# can/must only be called in main	2752	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	2753	if ($Coro::current != $Coro::main) {
2365	warn "can only reload from main coroutine";	2754	warn "can only reload from main coroutine";
2366	return;	2755	return;
2367	}	2756	}
…		…
2392	Coro::cede;	2781	Coro::cede;
2393	last unless IO::AIO::nreqs || BDB::nreqs;	2782	last unless IO::AIO::nreqs || BDB::nreqs;
2394	warn "iterate...";	2783	warn "iterate...";
2395	}	2784	}
2396		2785
		2786	++$RELOAD;
		2787
2397	warn "cancelling all extension coros";	2788	warn "cancelling all extension coros";
2398	$_->cancel for values %EXT_CORO;	2789	$_->cancel for values %EXT_CORO;
2399	%EXT_CORO = ();	2790	%EXT_CORO = ();
2400		2791
2401	warn "removing commands";	2792	warn "removing commands";
…		…
2440	Symbol::delete_package "safe::$_"	2831	Symbol::delete_package "safe::$_"
2441	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2442		2833
2443	warn "unloading cf.pm \"a bit\"";	2834	warn "unloading cf.pm \"a bit\"";
2444	delete $INC{"cf.pm"};	2835	delete $INC{"cf.pm"};
		2836	delete $INC{"cf/pod.pm"};
2445		2837
2446	# don't, removes xs symbols, too,	2838	# don't, removes xs symbols, too,
2447	# and global variables created in xs	2839	# and global variables created in xs
2448	#Symbol::delete_package __PACKAGE__;	2840	#Symbol::delete_package __PACKAGE__;
2449		2841
…		…
2458		2850
2459	warn "loading extensions";	2851	warn "loading extensions";
2460	cf::load_extensions;	2852	cf::load_extensions;
2461		2853
2462	warn "reattaching attachments to objects/players";	2854	warn "reattaching attachments to objects/players";
2463	_global_reattach;	2855	_global_reattach; # objects, sockets
2464	warn "reattaching attachments to maps";	2856	warn "reattaching attachments to maps";
2465	reattach $_ for values %MAP;	2857	reattach $_ for values %MAP;
2466		2858	warn "reattaching attachments to players";
2467	warn "loading reloadable resources";	2859	reattach $_ for values %PLAYER;
2468	init_resources;
2469		2860
2470	warn "leaving sync_job";	2861	warn "leaving sync_job";
2471		2862
2472	1	2863	1
2473	} or do {	2864	} or do {
…		…
2479	warn "reloaded";	2870	warn "reloaded";
2480	};	2871	};
2481		2872
2482	our $RELOAD_WATCHER; # used only during reload	2873	our $RELOAD_WATCHER; # used only during reload
2483		2874
		2875	sub reload_perl() {
		2876	# doing reload synchronously and two reloads happen back-to-back,
		2877	# coro crashes during coro_state_free->destroy here.
		2878
		2879	$RELOAD_WATCHER ||= Event->timer (
		2880	reentrant => 0,
		2881	after => 0,
		2882	data => WF_AUTOCANCEL,
		2883	cb => sub {
		2884	do_reload_perl;
		2885	undef $RELOAD_WATCHER;
		2886	},
		2887	);
		2888	}
		2889
2484	register_command "reload" => sub {	2890	register_command "reload" => sub {
2485	my ($who, $arg) = @_;	2891	my ($who, $arg) = @_;
2486		2892
2487	if ($who->flag (FLAG_WIZ)) {	2893	if ($who->flag (FLAG_WIZ)) {
2488	$who->message ("reloading server.");	2894	$who->message ("reloading server.");
2489		2895	async { reload_perl };
2490	# doing reload synchronously and two reloads happen back-to-back,
2491	# coro crashes during coro_state_free->destroy here.
2492
2493	$RELOAD_WATCHER ||= Event->timer (
2494	reentrant => 0,
2495	after => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => sub {
2498	reload;
2499	undef $RELOAD_WATCHER;
2500	},
2501	);
2502	}	2896	}
2503	};	2897	};
2504		2898
2505	unshift @INC, $LIBDIR;	2899	unshift @INC, $LIBDIR;
2506		2900
2507	my $bug_warning = 0;	2901	my $bug_warning = 0;
2508		2902
		2903	our @WAIT_FOR_TICK;
		2904	our @WAIT_FOR_TICK_BEGIN;
		2905
		2906	sub wait_for_tick {
		2907	return unless $TICK_WATCHER->is_active;
		2908	return if $Coro::current == $Coro::main;
		2909
		2910	my $signal = new Coro::Signal;
		2911	push @WAIT_FOR_TICK, $signal;
		2912	$signal->wait;
		2913	}
		2914
		2915	sub wait_for_tick_begin {
		2916	return unless $TICK_WATCHER->is_active;
		2917	return if $Coro::current == $Coro::main;
		2918
		2919	my $signal = new Coro::Signal;
		2920	push @WAIT_FOR_TICK_BEGIN, $signal;
		2921	$signal->wait;
		2922	}
		2923
		2924	my $min = 1e6;#d#
		2925	my $avg = 10;
2509	$TICK_WATCHER = Event->timer (	2926	$TICK_WATCHER = Event->timer (
2510	reentrant => 0,	2927	reentrant => 0,
2511	parked => 1,	2928	parked => 1,
2512	prio => 0,	2929	prio => 0,
2513	at => $NEXT_TICK || $TICK,	2930	at => $NEXT_TICK || $TICK,
…		…
2517	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2518	unless ++$bug_warning > 10;	2935	unless ++$bug_warning > 10;
2519	return;	2936	return;
2520	}	2937	}
2521		2938
2522	$NOW = Event::time;	2939	$NOW = $tick_start = Event::time;
2523		2940
2524	cf::server_tick; # one server iteration	2941	cf::server_tick; # one server iteration
		2942
		2943	0 && sync_job {#d#
		2944	for(1..10) {
		2945	my $t = Event::time;
		2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2947	or die;
		2948
		2949	$map->width (50);
		2950	$map->height (50);
		2951	$map->alloc;
		2952	$map->_load_objects ("/tmp/x.map", 1);
		2953	my $t = Event::time - $t;
		2954
		2955	#next unless $t < 0.0013;#d#
		2956	if ($t < $min) {
		2957	$min = $t;
		2958	}
		2959	$avg = $avg * 0.99 + $t * 0.01;
		2960	}
		2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2962	exit 0;
		2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2964	};
		2965
2525	$RUNTIME += $TICK;	2966	$RUNTIME += $TICK;
2526	$NEXT_TICK += $TICK;	2967	$NEXT_TICK += $TICK;
2527		2968
2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2529	$NEXT_RUNTIME_WRITE = $NOW + 10;	2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2531	write_runtime	2972	write_runtime
2532	or warn "ERROR: unable to write runtime file: $!";	2973	or warn "ERROR: unable to write runtime file: $!";
2533	};	2974	};
2534	}	2975	}
2535		2976
2536	$WAIT_FOR_TICK->broadcast;
2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2538
2539	# my $AFTER = Event::time;	2977	# my $AFTER = Event::time;
2540	# warn $AFTER - $NOW;#d#	2978	# warn $AFTER - $NOW;#d#
2541		2979
		2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2981	$sig->send;
		2982	}
		2983	while (my $sig = shift @WAIT_FOR_TICK) {
		2984	$sig->send;
		2985	}
		2986
		2987	$NOW = Event::time;
		2988
2542	# if we are delayed by four ticks or more, skip them all	2989	# if we are delayed by four ticks or more, skip them all
2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2544		2991
2545	$TICK_WATCHER->at ($NEXT_TICK);	2992	$TICK_WATCHER->at ($NEXT_TICK);
2546	$TICK_WATCHER->start;	2993	$TICK_WATCHER->start;
		2994
		2995	$LOAD = ($NOW - $tick_start) / $TICK;
		2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2997
		2998	_post_tick;
		2999
		3000
2547	},	3001	},
2548	);	3002	);
2549		3003
2550	{	3004	{
2551	BDB::max_poll_time $TICK * 0.1;	3005	BDB::max_poll_time $TICK * 0.1;
…		…
2579		3033
2580	cf::sync_job {	3034	cf::sync_job {
2581	eval {	3035	eval {
2582	BDB::db_env_open	3036	BDB::db_env_open
2583	$DB_ENV,	3037	$DB_ENV,
2584	$BDB_ENV_DIR,	3038	$BDBDIR,
2585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2587	0666;	3041	0666;
2588		3042
2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2590		3044
2591	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2592	$DB_ENV->set_lk_detect;	3046	$DB_ENV->set_lk_detect;
2593	};	3047	};
2594		3048
…		…
2610	prio => 6,	3064	prio => 6,
2611	cb => \&IO::AIO::poll_cb,	3065	cb => \&IO::AIO::poll_cb,
2612	);	3066	);
2613	}	3067	}
2614		3068
		3069	my $_log_backtrace;
		3070
		3071	sub _log_backtrace {
		3072	my ($msg, @addr) = @_;
		3073
		3074	$msg =~ s/\n//;
		3075
		3076	# limit the # of concurrent backtraces
		3077	if ($_log_backtrace < 2) {
		3078	++$_log_backtrace;
		3079	async {
		3080	my @bt = fork_call {
		3081	@addr = map { sprintf "%x", $_ } @addr;
		3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3084	or die "addr2line: $!";
		3085
		3086	my @funcs;
		3087	my @res = <$fh>;
		3088	chomp for @res;
		3089	while (@res) {
		3090	my ($func, $line) = splice @res, 0, 2, ();
		3091	push @funcs, "[$func] $line";
		3092	}
		3093
		3094	@funcs
		3095	};
		3096
		3097	LOG llevInfo, "[ABT] $msg\n";
		3098	LOG llevInfo, "[ABT] $_\n" for @bt;
		3099	--$_log_backtrace;
		3100	};
		3101	} else {
		3102	LOG llevInfo, "[ABT] $msg\n";
		3103	LOG llevInfo, "[ABT] [suppressed]\n";
		3104	}
		3105	}
		3106
		3107	# load additional modules
		3108	use cf::pod;
		3109
2615	END { cf::emergency_save }	3110	END { cf::emergency_save }
2616		3111
2617	1	3112	1
2618		3113

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