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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 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
…		…
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
48	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
49	our @EVENT;	58	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		59
52	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(!)
53	our $TICK_WATCHER;	73	our $TICK_WATCHER;
54	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	76	our $NEXT_TICK;
57	our $NOW;	77	our $NOW;
…		…
66	our $RUNTIME;	86	our $RUNTIME;
67		87
68	our %PLAYER; # all users	88	our %PLAYER; # all users
69	our %MAP; # all maps	89	our %MAP; # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		91
77	# 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 ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		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 $tick_start; # for load detecting purposes
		98
80	binmode STDOUT;	99	binmode STDOUT;
81	binmode STDERR;	100	binmode STDERR;
82		101
83	# read virtual server time, if available	102	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
88	}	107	}
89		108
90	mkdir cf::localdir;	109	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		111
97	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
98		113
99	sub cf::map::normalise;	114	sub cf::map::normalise;
100		115
…		…
111	=item $cf::RUNTIME	126	=item $cf::RUNTIME
112		127
113	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
114	every server tick.	129	every server tick.
115		130
116	=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
117		134
118	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
119	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.
120		139
121	=item $cf::NOW	140	=item $cf::NOW
122		141
123	The time of the last (current) server tick.	142	The time of the last (current) server tick.
124		143
125	=item $cf::TICK	144	=item $cf::TICK
126		145
127	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.
128		157
129	=item %cf::CFG	158	=item %cf::CFG
130		159
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
132	from wherever your confdir points to.	161	from wherever your confdir points to.
133		162
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		164
136	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
137	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
138	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.
139	window of cpu time available, or simply to synchronise to the server tick.
140		168
141	=back	169	=back
142		170
143	=cut	171	=cut
144		172
145	BEGIN {	173	BEGIN {
146	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	175	my $msg = join "", @_;
148	utf8::encode $msg;
149		176
150	$msg .= "\n"	177	$msg .= "\n"
151	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
152		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
153	LOG llevError, $msg;	183	LOG llevError, $msg;
154	};	184	};
155	}	185	}
156		186
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@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';
162	@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)
163		194
164	# 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
165	# within the Safe compartment.	196	# within the Safe compartment.
166	for my $pkg (qw(	197	for my $pkg (qw(
167	cf::global cf::attachable	198	cf::global cf::attachable
…		…
175	}	206	}
176		207
177	$Event::DIED = sub {	208	$Event::DIED = sub {
178	warn "error in event callback: @_";	209	warn "error in event callback: @_";
179	};	210	};
		211
		212	#############################################################################
180		213
181	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
182		215
183	=over 4	216	=over 4
184		217
…		…
203	$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;
204	$d	237	$d
205	} || "[unable to dump $_[0]: '$@']";	238	} || "[unable to dump $_[0]: '$@']";
206	}	239	}
207		240
208	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
209		242
210	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
211		244
212	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
213		246
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
222		248
223	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
224
225	=cut
226
227	sub to_json($) {
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
229	JSON::Syck::Dump $_[0]
230	}
231		250
232	=item cf::lock_wait $string	251	=item cf::lock_wait $string
233		252
234	Wait until the given lock is available. See cf::lock_acquire.	253	Wait until the given lock is available. See cf::lock_acquire.
235		254
…		…
241	returned.	260	returned.
242		261
243	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
244	uses map_find and cf::map::load uses map_load).	263	uses map_find and cf::map::load uses map_load).
245		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
		268
246	=cut	269	=cut
247		270
248	our %LOCK;	271	our %LOCK;
249		272
250	sub lock_wait($) {	273	sub lock_wait($) {
…		…
267		290
268	Coro::guard {	291	Coro::guard {
269	# wake up all waiters, to be on the safe side	292	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	293	$_->ready for @{ delete $LOCK{$key} };
271	}	294	}
		295	}
		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
272	}	301	}
273		302
274	sub freeze_mainloop {	303	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	304	return unless $TICK_WATCHER->is_active;
276		305
…		…
291		320
292	BEGIN { *async = \&Coro::async_pool }	321	BEGIN { *async = \&Coro::async_pool }
293		322
294	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
295		324
296	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
299		329
300	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
303	fast or be very important.	333	fast or be very important.
…		…
306		336
307	sub sync_job(&) {	337	sub sync_job(&) {
308	my ($job) = @_;	338	my ($job) = @_;
309		339
310	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
311	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
313		345
314	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	347	# (but this is cancel-safe)
…		…
326		358
327	while ($busy) {	359	while ($busy) {
328	Coro::cede or Event::one_event;	360	Coro::cede or Event::one_event;
329	}	361	}
330		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
331	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
332	} else {	371	} else {
333	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
334		373
335	$job->()	374	$job->()
…		…
354	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
355		394
356	$coro	395	$coro
357	}	396	}
358		397
359	sub write_runtime {	398	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		399
362	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.
363		404
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	=cut
365	or return;
366		406
367	my $value = $cf::RUNTIME + 90 + 10;	407	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	408	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		409
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
372	and return;	411	# or die "socketpair: $!";
		412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
373		414
374	# always fsync - this file is important	415	if (my $pid = fork) {
375	aio_fsync $fh
376	and return;
377
378	close $fh	416	close $fh2;
379	or return;
380		417
381	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
382	and return;	419	$res = Coro::Storable::thaw $res;
383		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
384	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		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 });
385	}	567	}
386		568
387	=back	569	=back
388		570
389	=cut	571	=cut
…		…
396	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")
397	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
398		580
399	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>
400	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
401	crossfire+).	583	Crossfire TRT).
402		584
403	=over 4	585	=over 4
404		586
405	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
406		588
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
570		752
571	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		757
576	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	759	my $pkg = shift @arg;
578		760
579	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
609	}	791	}
610		792
611	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
612	} else {	794	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	796	}
615		797
616	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
617	}	799	}
618		800
…		…
620	if (ref $_[0]) {	802	if (ref $_[0]) {
621	_object_attach @_;	803	_object_attach @_;
622	} else {	804	} else {
623	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
624	}	806	}
		807	_recalc_want;
625	};	808	};
626		809
627	# all those should be optimised	810	# all those should be optimised
628	sub cf::attachable::detach {	811	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
633	reattach ($obj);	816	reattach ($obj);
634	} else {	817	} else {
635	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
636	}	819	}
		820	_recalc_want;
637	};	821	};
638		822
639	sub cf::attachable::attached {	823	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
641		825
…		…
814	or return;	998	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1000	}
817		1001
818	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
820	return ($data, $av);	1004	return ($data, $av);
821	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
822		1012
823	#############################################################################	1013	#############################################################################
824	# command handling &c	1014	# command handling &c
825		1015
826	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1030	}
841		1031
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1033
844	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.
845		1035
846	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
847	called.	1037	called.
848		1038
849	=cut	1039	=cut
…		…
884		1074
885	cf::override;	1075	cf::override;
886	},	1076	},
887	);	1077	);
888		1078
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
924	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1084	next unless -r $path;
926	eval {	1085
927	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;
928	1	1143	}
929	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
930	}	1149	};
931	}	1150	}
932		1151
933	#############################################################################	1152	#############################################################################
934		1153
		1154	=back
		1155
935	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
936		1157
937	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
938		1159
939	=cut	1160	=cut
…		…
951	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
952		1173
953	=cut	1174	=cut
954		1175
955	sub playerdir($) {	1176	sub playerdir($) {
956	cf::localdir	1177	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1179	}
962		1180
963	sub path($) {	1181	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1183
966	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
967	}	1185	}
968		1186
969	sub find_active($) {	1187	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1202	my $login = $_[0];
985		1203
986	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
987		1205
988	$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
989	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
990	or return;	1215	or return;
991	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
992	}	1217	}
993	}	1218	}
…		…
1077	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1078		1303
1079	=cut	1304	=cut
1080		1305
1081	sub list_logins {	1306	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1308	or return [];
1084		1309
1085	my @logins;	1310	my @logins;
1086		1311
1087	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
…		…
1122	}	1347	}
1123		1348
1124	\@paths	1349	\@paths
1125	}	1350	}
1126		1351
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1352	=item $player->ext_reply ($msgid, %msg)
1128		1353
1129	Sends an ext reply to the player.	1354	Sends an ext reply to the player.
1130		1355
1131	=cut	1356	=cut
1132		1357
1133	sub ext_reply($$$%) {	1358	sub ext_reply($$%) {
1134	my ($self, $id, %msg) = @_;	1359	my ($self, $id, %msg) = @_;
1135		1360
1136	$msg{msgid} = $id;	1361	$msg{msgid} = $id;
1137		1362
1138	$self->send ("ext " . cf::to_json \%msg);	1363	$self->send ("ext " . cf::to_json \%msg);
1139	}	1364	}
1140		1365
1141	package cf;	1366	=item $player->ext_event ($type, %msg)
		1367
		1368	Sends an ext event to the client.
		1369
		1370	=cut
		1371
		1372	sub ext_event($$%) {
		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	$match
		1405	}
1142		1406
1143	=back	1407	=back
1144
1145		1408
1146	=head3 cf::map	1409	=head3 cf::map
1147		1410
1148	=over 4	1411	=over 4
1149		1412
…		…
1204	my ($self, $merge) = @_;	1467	my ($self, $merge) = @_;
1205		1468
1206	# we have to keep some variables in memory intact	1469	# we have to keep some variables in memory intact
1207	local $self->{path};	1470	local $self->{path};
1208	local $self->{load_path};	1471	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1472
1212	$self->SUPER::thawer_merge ($merge);	1473	$self->SUPER::thawer_merge ($merge);
1213	}	1474	}
1214		1475
1215	sub normalise {	1476	sub normalise {
…		…
1287		1548
1288	# the original (read-only) location	1549	# the original (read-only) location
1289	sub load_path {	1550	sub load_path {
1290	my ($self) = @_;	1551	my ($self) = @_;
1291		1552
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1553	"$MAPDIR/$self->{path}.map"
1293	}	1554	}
1294		1555
1295	# the temporary/swap location	1556	# the temporary/swap location
1296	sub save_path {	1557	sub save_path {
1297	my ($self) = @_;	1558	my ($self) = @_;
1298		1559
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1561	"$TMPDIR/$path.map"
1301	}	1562	}
1302		1563
1303	# the unique path, undef == no special unique path	1564	# the unique path, undef == no special unique path
1304	sub uniq_path {	1565	sub uniq_path {
1305	my ($self) = @_;	1566	my ($self) = @_;
1306		1567
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1569	"$UNIQUEDIR/$path"
1309	}	1570	}
1310		1571
1311	# and all this just because we cannot iterate over	1572	# and all this just because we cannot iterate over
1312	# all maps in C++...	1573	# all maps in C++...
1313	sub change_all_map_light {	1574	sub change_all_map_light {
1314	my ($change) = @_;	1575	my ($change) = @_;
1315		1576
1316	$_->change_map_light ($change)	1577	$_->change_map_light ($change)
1317	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	$self->do_decay_objects;
1318	}	1587	}
1319		1588
1320	sub unlink_save {	1589	sub unlink_save {
1321	my ($self) = @_;	1590	my ($self) = @_;
1322		1591
…		…
1380	$self->load_header_orig	1649	$self->load_header_orig
1381	or return;	1650	or return;
1382	$self->prepare_orig;	1651	$self->prepare_orig;
1383	}	1652	}
1384		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
1385	1	1660	1
1386	}	1661	}
1387		1662
1388	sub find;	1663	sub find;
1389	sub find {	1664	sub find {
…		…
1401	$map->{last_save} = $cf::RUNTIME;	1676	$map->{last_save} = $cf::RUNTIME;
1402		1677
1403	$map->load_header	1678	$map->load_header
1404	or return;	1679	or return;
1405		1680
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1682	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1683	#$cf::WAIT_FOR_TICK->wait;
1409	$map->reset;	1684	$map->reset;
1410	undef $guard;	1685	undef $guard;
1411	return find $path;	1686	return find $path;
…		…
1422	my ($self) = @_;	1697	my ($self) = @_;
1423		1698
1424	local $self->{deny_reset} = 1; # loading can take a long time	1699	local $self->{deny_reset} = 1; # loading can take a long time
1425		1700
1426	my $path = $self->{path};	1701	my $path = $self->{path};
		1702
		1703	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1704	my $guard = cf::lock_acquire "map_load:$path";
1428		1705
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1706	return if $self->in_memory != cf::MAP_SWAPPED;
1430		1707
1431	$self->in_memory (cf::MAP_LOADING);	1708	$self->in_memory (cf::MAP_LOADING);
1432		1709
1433	$self->alloc;	1710	$self->alloc;
1434		1711
1435	$self->pre_load;	1712	$self->pre_load;
1436
1437	$self->_load_objects ($self->{load_path}, 1)
1438	or return;
1439
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};
1442
1443	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {
1446	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);
1448	}
1449	}
1450
1451	Coro::cede;
1452
1453	# now do the right thing for maps
1454	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;	1713	Coro::cede;
1461	$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;
1462	$self->difficulty ($self->estimate_difficulty)	1732	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	1733	unless $self->difficulty;
1464	Coro::cede;	1734	Coro::cede;
		1735
		1736	unless ($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;
1465	$self->activate;	1743	$self->activate;
		1744	}
		1745
		1746	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	1747	}
1467		1748
1468	$self->post_load;	1749	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	1750	}
1472		1751
1473	sub customise_for {	1752	sub customise_for {
1474	my ($self, $ob) = @_;	1753	my ($self, $ob) = @_;
1475		1754
1476	return find "~" . $ob->name . "/" . $self->{path}	1755	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	1756	if $self->per_player;
		1757
		1758	# return find "?party/" . $ob->name . "/" . $self->{path}
		1759	# if $self->per_party;
1478		1760
1479	$self	1761	$self
1480	}	1762	}
1481		1763
1482	# find and load all maps in the 3x3 area around a map	1764	# find and load all maps in the 3x3 area around a map
…		…
1593		1875
1594	sub reset_at {	1876	sub reset_at {
1595	my ($self) = @_;	1877	my ($self) = @_;
1596		1878
1597	# TODO: safety, remove and allow resettable per-player maps	1879	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	1880	return 1e99 if $self->{deny_reset};
1600		1881
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1882	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1883	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		1884
…		…
1614	my ($self) = @_;	1895	my ($self) = @_;
1615		1896
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	1897	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		1898
1618	return if $self->players;	1899	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		1900
1621	warn "resetting map ", $self->path;#d#	1901	warn "resetting map ", $self->path;
1622		1902
1623	$self->in_memory (cf::MAP_SWAPPED);	1903	$self->in_memory (cf::MAP_SWAPPED);
1624		1904
1625	# need to save uniques path	1905	# need to save uniques path
1626	unless ($self->{deny_save}) {	1906	unless ($self->{deny_save}) {
…		…
1658	$cf::MAP{$self->path} = $self;	1938	$cf::MAP{$self->path} = $self;
1659		1939
1660	$self->reset; # polite request, might not happen	1940	$self->reset; # polite request, might not happen
1661	}	1941	}
1662		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
1663	=item cf::map::unique_maps	1979	=item cf::map::unique_maps
1664		1980
1665	Returns an arrayref of paths of all shared maps that have	1981	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	1982	instantiated unique items. May block.
1667		1983
1668	=cut	1984	=cut
1669		1985
1670	sub unique_maps() {	1986	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1987	[
1672	or return;	1988	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	1989	utf8::decode $_;
1678	next if /\.pst$/;	1990	/\.map$/
1679	next unless /^$PATH_SEP/o;	1991	? normalise $_
1680		1992	: ()
1681	push @paths, cf::map::normalise $_;	1993	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	1994	]
1683
1684	\@paths
1685	}	1995	}
1686		1996
1687	package cf;	1997	package cf;
1688		1998
1689	=back	1999	=back
…		…
1735		2045
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2046	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2047
1738	if ($self->{record_replies}) {	2048	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2049	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2050
1740	} 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 {
1741	$msg = $npc->name . " says: $msg" if $npc;	2061	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2062	$self->message ($msg, $flags);
		2063	}
1743	}	2064	}
1744	}	2065	}
1745		2066
1746	=item $player_object->may ("access")	2067	=item $player_object->may ("access")
1747		2068
…		…
1795	$self->deactivate_recursive;	2116	$self->deactivate_recursive;
1796		2117
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2118	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2119
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2121	if $self->map && $self->map->{path} ne "{link}";
1801		2122
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2124	}
1804		2125
1805	sub cf::object::player::leave_link {	2126	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2127	my ($self, $map, $x, $y) = @_;
		2128
		2129	return unless $self->contr->active;
1807		2130
1808	my $link_pos = delete $self->{_link_pos};	2131	my $link_pos = delete $self->{_link_pos};
1809		2132
1810	unless ($map) {	2133	unless ($map) {
1811	# restore original map position	2134	# restore original map position
…		…
1834		2157
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2159	$self->enter_map ($map, $x, $y);
1837	}	2160	}
1838		2161
1839	cf::player->attach (
1840	on_logout => sub {
1841	my ($pl) = @_;
1842
1843	# abort map switching before logout
1844	if ($pl->ob->{_link_pos}) {
1845	cf::sync_job {
1846	$pl->ob->leave_link
1847	};
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)	2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1872		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
1873	=cut	2169	=cut
		2170
		2171	our $GOTOGEN;
1874		2172
1875	sub cf::object::player::goto {	2173	sub cf::object::player::goto {
1876	my ($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;
1877		2178
1878	$self->enter_link;	2179	$self->enter_link;
1879		2180
1880	(async {	2181	(async {
1881	my $map = eval {	2182	my $map = eval {
1882	my $map = cf::map::find $path;	2183	my $map = cf::map::find $path;
		2184
		2185	if ($map) {
1883	$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
1884	$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 $@;
1885	} or	2198	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2199
		2200	if ($gen == $self->{_goto_generation}) {
		2201	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2202	$self->leave_link ($map, $x, $y);
		2203	}
1889	})->prio (1);	2204	})->prio (1);
1890	}	2205	}
1891		2206
1892	=item $player_object->enter_exit ($exit_object)	2207	=item $player_object->enter_exit ($exit_object)
1893		2208
…		…
1932		2247
1933	$rmp->{random_seed} ||= $exit->random_seed;	2248	$rmp->{random_seed} ||= $exit->random_seed;
1934		2249
1935	my $data = cf::to_json $rmp;	2250	my $data = cf::to_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2251	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2252	my $meta = "$RANDOMDIR/$md5.meta";
1938		2253
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2255	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2256	undef $fh;
1942	aio_rename "$meta~", $meta;	2257	aio_rename "$meta~", $meta;
…		…
1951		2266
1952	return unless $self->type == cf::PLAYER;	2267	return unless $self->type == cf::PLAYER;
1953		2268
1954	if ($exit->slaying eq "/!") {	2269	if ($exit->slaying eq "/!") {
1955	#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
1956	cf::sync_job { prepare_random_map $exit };	2273	cf::sync_job { prepare_random_map $exit };
1957	}	2274	}
1958		2275
1959	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;
1960	my $hp = $exit->stats->hp;	2277	my $hp = $exit->stats->hp;
…		…
1968	$self->goto ($slaying, $hp, $sp);	2285	$self->goto ($slaying, $hp, $sp);
1969		2286
1970	1;	2287	1;
1971	}) {	2288	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2289	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "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. "
1974	. "Please report this to the dungeon master!",	2291	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2292	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2293
1977	warn "ERROR in enter_exit: $@";	2294	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2295	$self->leave_link;
1979	}	2296	}
1980	})->prio (1);	2297	})->prio (1);
…		…
1993		2310
1994	sub cf::client::send_drawinfo {	2311	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2312	my ($self, $text, $flags) = @_;
1996		2313
1997	utf8::encode $text;	2314	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2316	}
2000		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	}
2001		2330
2002	=item $success = $client->query ($flags, "text", \&cb)	2331	=item $success = $client->query ($flags, "text", \&cb)
2003		2332
2004	Queues a query to the client, calling the given callback with	2333	Queues a query to the client, calling the given callback with
2005	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>,
…		…
2102		2431
2103	# here we export the classes and methods available to script code	2432	# here we export the classes and methods available to script code
2104		2433
2105	=pod	2434	=pod
2106		2435
2107	The following fucntions and emthods are available within a safe environment:	2436	The following functions and methods are available within a safe environment:
2108		2437
2109	cf::object contr pay_amount pay_player map	2438	cf::object contr pay_amount pay_player map
2110	cf::object::player player	2439	cf::object::player player
2111	cf::player peaceful	2440	cf::player peaceful
2112	cf::map trigger	2441	cf::map trigger
…		…
2193	=back	2522	=back
2194		2523
2195	=cut	2524	=cut
2196		2525
2197	#############################################################################	2526	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	2527	# the server's init and main functions
2271		2528
2272	sub load_faces {	2529	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	2530	my ($path) = @_;
2274		2531
2275	warn "loading faces from $path\n";	2532	warn "loading facedata from $path\n";
2276		2533
2277	my $faces;	2534	my $facedata;
2278	0 < aio_load $path, $faces	2535	0 < aio_load $path, $facedata
2279	or die "$path: $!";	2536	or die "$path: $!";
2280		2537
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	2538	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		2539
		2540	$facedata->{version} == 2
		2541	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2542
		2543	{
		2544	my $faces = $facedata->{faceinfo};
		2545
2285	while (my ($face, $info) = each %$faces) {	2546	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2289	Coro::cede;	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
2290	}	2576	}
2291		2577
2292	1	2578	1
2293	}	2579	}
2294		2580
		2581	sub reload_regions {
		2582	load_resource_file "$MAPDIR/regions"
		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
2295	sub reload_resources {	2601	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2602	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	2603
		2604	reload_regions;
2298	load_faces	2605	reload_facedata;
2299	or die "unable to load faces\n";#d#	2606	#reload_archetypes;#d#
		2607	reload_archetypes;
		2608	reload_treasures;
		2609
		2610	warn "finished reloading resource files\n";
2300	}	2611	}
2301		2612
2302	sub init {	2613	sub init {
2303	reload_resources;	2614	reload_resources;
2304	}	2615	}
2305		2616
2306	sub cfg_load {	2617	sub cfg_load {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	2618	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	2619	or return;
2309		2620
2310	local $/;	2621	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	2622	*CFG = YAML::Syck::Load <$fh>;
2312		2623
…		…
2357	},	2668	},
2358	);	2669	);
2359	}	2670	}
2360	}	2671	}
2361		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
2362	sub emergency_save() {	2711	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	2712	my $freeze_guard = cf::freeze_mainloop;
2364		2713
2365	warn "enter emergency perl save\n";	2714	warn "enter emergency perl save\n";
2366		2715
…		…
2397		2746
2398	warn Carp::longmess "post_cleanup backtrace"	2747	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	2748	if $make_core;
2400	}	2749	}
2401		2750
2402	sub reload() {	2751	sub do_reload_perl() {
2403	# can/must only be called in main	2752	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	2753	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	2754	warn "can only reload from main coroutine";
2406	return;	2755	return;
2407	}	2756	}
…		…
2482	Symbol::delete_package "safe::$_"	2831	Symbol::delete_package "safe::$_"
2483	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);
2484		2833
2485	warn "unloading cf.pm \"a bit\"";	2834	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	2835	delete $INC{"cf.pm"};
		2836	delete $INC{"cf/pod.pm"};
2487		2837
2488	# don't, removes xs symbols, too,	2838	# don't, removes xs symbols, too,
2489	# and global variables created in xs	2839	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	2840	#Symbol::delete_package __PACKAGE__;
2491		2841
…		…
2506	warn "reattaching attachments to maps";	2856	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	2857	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	2858	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	2859	reattach $_ for values %PLAYER;
2510		2860
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	2861	warn "leaving sync_job";
2515		2862
2516	1	2863	1
2517	} or do {	2864	} or do {
2518	warn $@;	2865	warn $@;
…		…
2523	warn "reloaded";	2870	warn "reloaded";
2524	};	2871	};
2525		2872
2526	our $RELOAD_WATCHER; # used only during reload	2873	our $RELOAD_WATCHER; # used only during reload
2527		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
2528	register_command "reload" => sub {	2890	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	2891	my ($who, $arg) = @_;
2530		2892
2531	if ($who->flag (FLAG_WIZ)) {	2893	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	2894	$who->message ("reloading server.");
2533		2895	async { reload_perl };
2534	# doing reload synchronously and two reloads happen back-to-back,
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);
2546	}	2896	}
2547	};	2897	};
2548		2898
2549	unshift @INC, $LIBDIR;	2899	unshift @INC, $LIBDIR;
2550		2900
2551	my $bug_warning = 0;	2901	my $bug_warning = 0;
2552		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;
2553	$TICK_WATCHER = Event->timer (	2926	$TICK_WATCHER = Event->timer (
2554	reentrant => 0,	2927	reentrant => 0,
2555	parked => 1,	2928	parked => 1,
2556	prio => 0,	2929	prio => 0,
2557	at => $NEXT_TICK || $TICK,	2930	at => $NEXT_TICK || $TICK,
…		…
2561	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"
2562	unless ++$bug_warning > 10;	2935	unless ++$bug_warning > 10;
2563	return;	2936	return;
2564	}	2937	}
2565		2938
2566	$NOW = Event::time;	2939	$NOW = $tick_start = Event::time;
2567		2940
2568	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
2569	$RUNTIME += $TICK;	2966	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	2967	$NEXT_TICK += $TICK;
2571		2968
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2575	write_runtime	2972	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	2973	or warn "ERROR: unable to write runtime file: $!";
2577	};	2974	};
2578	}	2975	}
2579		2976
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;	2977	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#	2978	# warn $AFTER - $NOW;#d#
2585		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
2586	# 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
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588		2991
2589	$TICK_WATCHER->at ($NEXT_TICK);	2992	$TICK_WATCHER->at ($NEXT_TICK);
2590	$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
2591	},	3001	},
2592	);	3002	);
2593		3003
2594	{	3004	{
2595	BDB::max_poll_time $TICK * 0.1;	3005	BDB::max_poll_time $TICK * 0.1;
…		…
2623		3033
2624	cf::sync_job {	3034	cf::sync_job {
2625	eval {	3035	eval {
2626	BDB::db_env_open	3036	BDB::db_env_open
2627	$DB_ENV,	3037	$DB_ENV,
2628	$BDB_ENV_DIR,	3038	$BDBDIR,
2629	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
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3041	0666;
2632		3042
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634		3044
2635	$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);
2636	$DB_ENV->set_lk_detect;	3046	$DB_ENV->set_lk_detect;
2637	};	3047	};
2638		3048
…		…
2654	prio => 6,	3064	prio => 6,
2655	cb => \&IO::AIO::poll_cb,	3065	cb => \&IO::AIO::poll_cb,
2656	);	3066	);
2657	}	3067	}
2658		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
2659	END { cf::emergency_save }	3110	END { cf::emergency_save }
2660		3111
2661	1	3112	1
2662		3113

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