[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.376 by root, Mon Oct 1 00:44:44 2007 UTC vs.
Revision 1.403 by root, Mon Dec 17 07:09:18 2007 UTC

…		…
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 Socket;
9	use Storable;	9	use EV;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.64 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
24	use Coro::Util ();	25	use Coro::Util ();
25		26
26	use JSON::XS ();	27	use JSON::XS 2.01 ();
27	use BDB ();	28	use BDB ();
28	use Data::Dumper;	29	use Data::Dumper;
29	use Digest::MD5;	30	use Digest::MD5;
30	use Fcntl;	31	use Fcntl;
31	use YAML::Syck ();	32	use YAML::Syck ();
32	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
33	use Time::HiRes;	34	use Time::HiRes;
34	use Compress::LZF;	35	use Compress::LZF;
35	use Digest::MD5 ();	36	use Digest::MD5 ();
36		37
37	# configure various modules to our taste	38	# configure various modules to our taste
38	#	39	#
39	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44		43
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
47		46
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
…		…
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;	76	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	79	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		81
84	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	83	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	84	our $BDB_CHECKPOINT_WATCHER;
…		…
89		87
90	our %CFG;	88	our %CFG;
91		89
92	our $UPTIME; $UPTIME \|\|= time;	90	our $UPTIME; $UPTIME \|\|= time;
93	our $RUNTIME;	91	our $RUNTIME;
		92	our $NOW;
94		93
95	our (%PLAYER, %PLAYER_LOADING); # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
98		97
…		…
162		161
163	The raw value load value from the last tick.	162	The raw value load value from the last tick.
164		163
165	=item %cf::CFG	164	=item %cf::CFG
166		165
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	167	from wherever your confdir points to.
169		168
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		170
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
215	)) {	214	)) {
216	no strict 'refs';	215	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	217	}
219		218
220	$Event::DIED = sub {	219	$EV::DIED = sub {
221	warn "error in event callback: @_";	220	warn "error in event callback: @_";
222	};	221	};
223		222
224	#############################################################################	223	#############################################################################
225		224
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	248	$d
250	} \|\| "[unable to dump $_[0]: '$@']";	249	} \|\| "[unable to dump $_[0]: '$@']";
251	}	250	}
252		251
253	=item $ref = cf::from_json $json	252	=item $ref = cf::decode_json $json
254		253
255	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
256		255
257	=item $json = cf::to_json $ref	256	=item $json = cf::encode_json $ref
258		257
259	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
260		259
261	=cut	260	=cut
262		261
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		263
265	sub to_json ($) { $json_coder->encode ($_[0]) }	264	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	265	sub decode_json($) { $json_coder->decode ($_[0]) }
267		266
268	=item cf::lock_wait $string	267	=item cf::lock_wait $string
269		268
270	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
271		270
…		…
334	my $guard = Coro::guard {	333	my $guard = Coro::guard {
335	$TICK_WATCHER->start;	334	$TICK_WATCHER->start;
336	};	335	};
337	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
338	$guard	337	$guard
		338	}
		339
		340	=item cf::periodic $interval, $cb
		341
		342	Like EV::periodic, but randomly selects a starting point so that the actions
		343	get spread over timer.
		344
		345	=cut
		346
		347	sub periodic($$) {
		348	my ($interval, $cb) = @_;
		349
		350	my $start = rand List::Util::min 180, $interval;
		351
		352	EV::periodic $start, $interval, 0, $cb
339	}	353	}
340		354
341	=item cf::get_slot $time[, $priority[, $name]]	355	=item cf::get_slot $time[, $priority[, $name]]
342		356
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	357	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
373	}	387	}
374	}	388	}
375	}	389	}
376		390
377	if (@SLOT_QUEUE) {	391	if (@SLOT_QUEUE) {
378	# we do not use wait_For_tick() as it returns immediately when tick is inactive	392	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	393	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;	394	$signal->wait;
381	} else {	395	} else {
382	Coro::schedule;	396	Coro::schedule;
383	}	397	}
…		…
406		420
407	BEGIN { *async = \&Coro::async_pool }	421	BEGIN { *async = \&Coro::async_pool }
408		422
409	=item cf::sync_job { BLOCK }	423	=item cf::sync_job { BLOCK }
410		424
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	425	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	426	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	427	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	428	acceptable.
415		429
416	If it must be done, put the blocking parts into C<sync_job>. This will run	430	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	431	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		436
423	sub sync_job(&) {	437	sub sync_job(&) {
424	my ($job) = @_;	438	my ($job) = @_;
425		439
426	if ($Coro::current == $Coro::main) {	440	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	441	my $time = EV::time;
428		442
429	# this is the main coro, too bad, we have to block	443	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	444	# till the operation succeeds, freezing the server :/
431		445
		446	LOG llevError, Carp::longmess "sync job";#d#
		447
432	# TODO: use suspend/resume instead	448	# TODO: use suspend/resume instead
433	# (but this is cancel-safe)	449	# (but this is cancel-safe)
434	my $freeze_guard = freeze_mainloop;	450	my $freeze_guard = freeze_mainloop;
435		451
436	my $busy = 1;	452	my $busy = 1;
…		…
442	warn $@ if $@;	458	warn $@ if $@;
443	undef $busy;	459	undef $busy;
444	})->prio (Coro::PRIO_MAX);	460	})->prio (Coro::PRIO_MAX);
445		461
446	while ($busy) {	462	while ($busy) {
447	Coro::cede or Event::one_event;	463	if (Coro::nready) {
		464	Coro::cede_notself;
		465	} else {
		466	EV::loop EV::LOOP_ONESHOT;
448	}	467	}
		468	}
449		469
450	$time = Event::time - $time;	470	$time = EV::time - $time;
451		471
452	LOG llevError \| logBacktrace, Carp::longmess "long sync job"	472	LOG llevError \| logBacktrace, Carp::longmess "long sync job"
453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	473	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
454		474
455	$tick_start += $time; # do not account sync jobs to server load	475	$tick_start += $time; # do not account sync jobs to server load
…		…
485	=item fork_call { }, $args	505	=item fork_call { }, $args
486		506
487	Executes the given code block with the given arguments in a seperate	507	Executes the given code block with the given arguments in a seperate
488	process, returning the results. Everything must be serialisable with	508	process, returning the results. Everything must be serialisable with
489	Coro::Storable. May, of course, block. Note that the executed sub may	509	Coro::Storable. May, of course, block. Note that the executed sub may
490	never block itself or use any form of Event handling.	510	never block itself or use any form of event handling.
491		511
492	=cut	512	=cut
493		513
494	sub fork_call(&@) {	514	sub fork_call(&@) {
495	my ($cb, @args) = @_;	515	my ($cb, @args) = @_;
…		…
656	attach callbacks/event handlers (a collection of which is called an "attachment")	676	attach callbacks/event handlers (a collection of which is called an "attachment")
657	to it. All such attachable objects support the following methods.	677	to it. All such attachable objects support the following methods.
658		678
659	In the following description, CLASS can be any of C<global>, C<object>	679	In the following description, CLASS can be any of C<global>, C<object>
660	C<player>, C<client> or C<map> (i.e. the attachable objects in	680	C<player>, C<client> or C<map> (i.e. the attachable objects in
661	Crossfire TRT).	681	Deliantra).
662		682
663	=over 4	683	=over 4
664		684
665	=item $attachable->attach ($attachment, key => $value...)	685	=item $attachable->attach ($attachment, key => $value...)
666		686
…		…
964		984
965	=cut	985	=cut
966		986
967	#############################################################################	987	#############################################################################
968	# object support	988	# object support
969	#
970		989
		990	sub _object_equal($$);
		991	sub _object_equal($$) {
		992	my ($a, $b) = @_;
		993
		994	return 0 unless (ref $a) eq (ref $b);
		995
		996	if ("HASH" eq ref $a) {
		997	my @ka = keys %$a;
		998	my @kb = keys %$b;
		999
		1000	return 0 if @ka != @kb;
		1001
		1002	for (0 .. $#ka) {
		1003	return 0 unless $ka[$_] eq $kb[$_];
		1004	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1005	}
		1006
		1007	} elsif ("ARRAY" eq ref $a) {
		1008
		1009	return 0 if @$a != @$b;
		1010
		1011	for (0 .. $#$a) {
		1012	return 0 unless _object_equal $a->[$_], $b->[$_];
		1013	}
		1014
		1015	} elsif ($a ne $b) {
		1016	return 0;
		1017	}
		1018
		1019	1
		1020	}
		1021
		1022	our $SLOW_MERGES;#d#
971	sub _can_merge {	1023	sub _can_merge {
972	my ($ob1, $ob2) = @_;	1024	my ($ob1, $ob2) = @_;
973		1025
974	local $Storable::canonical = 1;	1026	++$SLOW_MERGES;#d#
975	my $fob1 = Storable::freeze $ob1;
976	my $fob2 = Storable::freeze $ob2;
977		1027
978	$fob1 eq $fob2	1028	# we do the slow way here
		1029	return _object_equal $ob1, $ob2
979	}	1030	}
980		1031
981	sub reattach {	1032	sub reattach {
982	# basically do the same as instantiate, without calling instantiate	1033	# basically do the same as instantiate, without calling instantiate
983	my ($obj) = @_;	1034	my ($obj) = @_;
…		…
1005	cf::attachable->attach (	1056	cf::attachable->attach (
1006	prio => -1000000,	1057	prio => -1000000,
1007	on_instantiate => sub {	1058	on_instantiate => sub {
1008	my ($obj, $data) = @_;	1059	my ($obj, $data) = @_;
1009		1060
1010	$data = from_json $data;	1061	$data = decode_json $data;
1011		1062
1012	for (@$data) {	1063	for (@$data) {
1013	my ($name, $args) = @$_;	1064	my ($name, $args) = @$_;
1014		1065
1015	$obj->attach ($name, %{$args \|\| {} });	1066	$obj->attach ($name, %{$args \|\| {} });
…		…
1044	close $fh;	1095	close $fh;
1045		1096
1046	if (@$objs) {	1097	if (@$objs) {
1047	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {	1098	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
1048	chmod SAVE_MODE, $fh;	1099	chmod SAVE_MODE, $fh;
1049	my $data = Storable::nfreeze { version => 1, objs => $objs };	1100	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1050	aio_write $fh, 0, (length $data), $data, 0;	1101	aio_write $fh, 0, (length $data), $data, 0;
1051	aio_fsync $fh if $cf::USE_FSYNC;	1102	aio_fsync $fh if $cf::USE_FSYNC;
1052	close $fh;	1103	close $fh;
1053	aio_rename "$filename.pst~", "$filename.pst";	1104	aio_rename "$filename.pst~", "$filename.pst";
1054	}	1105	}
…		…
1085		1136
1086	unless (aio_stat "$filename.pst") {	1137	unless (aio_stat "$filename.pst") {
1087	(aio_load "$filename.pst", $av) >= 0	1138	(aio_load "$filename.pst", $av) >= 0
1088	or return;	1139	or return;
1089		1140
1090	$av = eval { (Storable::thaw $av)->{objs} };	1141	my $st = eval { Coro::Storable::thaw $av };
		1142	$av = $st->{objs};
1091	}	1143	}
1092		1144
1093	utf8::decode (my $decname = $filename);	1145	utf8::decode (my $decname = $filename);
1094	warn sprintf "loading %s (%d,%d)\n",	1146	warn sprintf "loading %s (%d,%d)\n",
1095	$decname, length $data, scalar @{$av \|\| []};	1147	$decname, length $data, scalar @{$av \|\| []};
…		…
1510		1562
1511	Expand crossfire pod fragments into protocol xml.	1563	Expand crossfire pod fragments into protocol xml.
1512		1564
1513	=cut	1565	=cut
1514		1566
		1567	use re 'eval';
		1568
		1569	my $group;
		1570	my $interior; $interior = qr{
		1571	# match a pod interior sequence sans C<< >>
		1572	(?:
		1573	\ (.*?)\ (?{ $group = $^N })
		1574	\| < (??{$interior}) >
		1575	)
		1576	}x;
		1577
1515	sub expand_cfpod {	1578	sub expand_cfpod {
1516	((my $self), (local $_)) = @_;	1579	my ($self, $pod) = @_;
1517		1580
1518	# escape & and <	1581	my $xml;
1519	s/&/&/g;
1520	s/(?<![BIUGHT])</</g;
1521		1582
1522	# this is buggy, it needs to properly take care of nested <'s	1583	while () {
		1584	if ($pod =~ /\G( (?: [^BCGHITU]+ \| .(?!<) )+ )/xgcs) {
		1585	$group = $1;
1523		1586
1524	1 while	1587	$group =~ s/&/&/g;
1525	# replace B<>, I<>, U<> etc.	1588	$group =~ s/</</g;
1526	s/B<([^\>]*)>/<b>$1<\/b>/	1589
1527	\|\| s/I<([^\>]*)>/<i>$1<\/i>/	1590	$xml .= $group;
1528	\|\| s/U<([^\>]*)>/<u>$1<\/u>/	1591	} elsif ($pod =~ m%\G
1529	\|\| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/	1592	([BCGHITU])
1530	# replace G<male\|female> tags	1593	<
1531	\|\| s{G<([^>\|])\\|([^>])>}{	1594	(?:
1532	$self->gender ? $2 : $1	1595	([^<>]*) (?{ $group = $^N })
1533	}ge	1596	\| < $interior >
1534	# replace H<hint text>	1597	)
1535	\|\| s{H<([^\>]*)>}	1598	>
		1599	%gcsx
1536	{	1600	) {
		1601	my ($code, $data) = ($1, $group);
		1602
		1603	if ($code eq "B") {
		1604	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1605	} elsif ($code eq "I") {
		1606	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1607	} elsif ($code eq "U") {
		1608	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1609	} elsif ($code eq "C") {
		1610	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1611	} elsif ($code eq "T") {
		1612	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1613	} elsif ($code eq "G") {
		1614	my ($male, $female) = split /\\|/, $data;
		1615	$data = $self->gender ? $female : $male;
		1616	$xml .= expand_cfpod ($self, $data);
		1617	} elsif ($code eq "H") {
1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1618	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1619	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1539	"")	1620	"")
1540	[$self->{hintmode}]	1621	[$self->{hintmode}];
		1622	} else {
		1623	$xml .= "error processing '$code($data)' directive";
1541	}ge;	1624	}
		1625	} else {
		1626	if ($pod =~ /\G(.+)/) {
		1627	warn "parse error while expanding $pod (at $1)";
		1628	}
		1629	last;
		1630	}
		1631	}
1542		1632
		1633	for ($xml) {
1543	# create single paragraphs (very hackish)	1634	# create single paragraphs (very hackish)
1544	s/(?<=\S)\n(?=\w)/ /g;	1635	s/(?<=\S)\n(?=\w)/ /g;
1545		1636
1546	# compress some whitespace	1637	# compress some whitespace
1547	s/\s+\n/\n/g; # ws line-ends	1638	s/\s+\n/\n/g; # ws line-ends
1548	s/\n\n+/\n/g; # double lines	1639	s/\n\n+/\n/g; # double lines
1549	s/^\n+//; # beginning lines	1640	s/^\n+//; # beginning lines
1550	s/\n+$//; # ending lines	1641	s/\n+$//; # ending lines
		1642	}
1551		1643
1552	$_	1644	$xml
1553	}	1645	}
		1646
		1647	no re 'eval';
1554		1648
1555	sub hintmode {	1649	sub hintmode {
1556	$_[0]{hintmode} = $_[1] if @_ > 1;	1650	$_[0]{hintmode} = $_[1] if @_ > 1;
1557	$_[0]{hintmode}	1651	$_[0]{hintmode}
1558	}	1652	}
…		…
2273	=cut	2367	=cut
2274		2368
2275	sub deref {	2369	sub deref {
2276	my ($ref) = @_;	2370	my ($ref) = @_;
2277		2371
2278	# temporary compatibility#TODO#remove
2279	$ref =~ s{^<}{player/<};
2280
2281	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2372	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2282	my ($uuid, $name) = ($1, $2);	2373	my ($uuid, $name) = ($1, $2);
2283	my $pl = $cf::PLAYER_LOADING{$name} \|\| cf::player::find $name	2374	my $pl = $cf::PLAYER_LOADING{$name} \|\| cf::player::find $name
2284	or return;	2375	or return;
2285	$pl->ob->uuid eq $uuid	2376	$pl->ob->uuid eq $uuid
2286	or return;	2377	or return;
…		…
2548	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
2549	}	2640	}
2550		2641
2551	$rmp->{random_seed} \|\|= $exit->random_seed;	2642	$rmp->{random_seed} \|\|= $exit->random_seed;
2552		2643
2553	my $data = cf::to_json $rmp;	2644	my $data = cf::encode_json $rmp;
2554	my $md5 = Digest::MD5::md5_hex $data;	2645	my $md5 = Digest::MD5::md5_hex $data;
2555	my $meta = "$RANDOMDIR/$md5.meta";	2646	my $meta = "$RANDOMDIR/$md5.meta";
2556		2647
2557	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {	2648	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
2558	aio_write $fh, 0, (length $data), $data, 0;	2649	aio_write $fh, 0, (length $data), $data, 0;
…		…
2631	the message, with C<log> being the default. If C<$color> is negative, suppress	2722	the message, with C<log> being the default. If C<$color> is negative, suppress
2632	the message unless the client supports the msg packet.	2723	the message unless the client supports the msg packet.
2633		2724
2634	=cut	2725	=cut
2635		2726
		2727	# non-persistent channels (usually the info channel)
2636	our %CHANNEL = (	2728	our %CHANNEL = (
2637	"c/identify" => {	2729	"c/identify" => {
2638	id => "infobox",	2730	id => "infobox",
2639	title => "Identify",	2731	title => "Identify",
2640	reply => undef,	2732	reply => undef,
…		…
2644	id => "infobox",	2736	id => "infobox",
2645	title => "Examine",	2737	title => "Examine",
2646	reply => undef,	2738	reply => undef,
2647	tooltip => "Signs and other items you examined",	2739	tooltip => "Signs and other items you examined",
2648	},	2740	},
		2741	"c/book" => {
		2742	id => "infobox",
		2743	title => "Book",
		2744	reply => undef,
		2745	tooltip => "The contents of a note or book",
		2746	},
2649	"c/lookat" => {	2747	"c/lookat" => {
2650	id => "infobox",	2748	id => "infobox",
2651	title => "Look",	2749	title => "Look",
2652	reply => undef,	2750	reply => undef,
2653	tooltip => "What you saw there",	2751	tooltip => "What you saw there",
		2752	},
		2753	"c/who" => {
		2754	id => "infobox",
		2755	title => "Players",
		2756	reply => undef,
		2757	tooltip => "Shows players who are currently online",
		2758	},
		2759	"c/body" => {
		2760	id => "infobox",
		2761	title => "Body Parts",
		2762	reply => undef,
		2763	tooltip => "Shows which body parts you posess and are available",
		2764	},
		2765	"c/uptime" => {
		2766	id => "infobox",
		2767	title => "Uptime",
		2768	reply => undef,
		2769	tooltip => "How long the server has been running since last restart",
		2770	},
		2771	"c/mapinfo" => {
		2772	id => "infobox",
		2773	title => "Map Info",
		2774	reply => undef,
		2775	tooltip => "Information related to the maps",
2654	},	2776	},
2655	);	2777	);
2656		2778
2657	sub cf::client::send_msg {	2779	sub cf::client::send_msg {
2658	my ($self, $channel, $msg, $color, @extra) = @_;	2780	my ($self, $channel, $msg, $color, @extra) = @_;
…		…
2895	=pod	3017	=pod
2896		3018
2897	The following functions and methods are available within a safe environment:	3019	The following functions and methods are available within a safe environment:
2898		3020
2899	cf::object	3021	cf::object
2900	contr pay_amount pay_player map x y force_find force_add	3022	contr pay_amount pay_player map x y force_find force_add destroy
2901	insert remove name archname title slaying race decrease_ob_nr	3023	insert remove name archname title slaying race decrease_ob_nr
2902		3024
2903	cf::object::player	3025	cf::object::player
2904	player	3026	player
2905		3027
…		…
2912	=cut	3034	=cut
2913		3035
2914	for (	3036	for (
2915	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3037	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2916	insert remove inv name archname title slaying race	3038	insert remove inv name archname title slaying race
2917	decrease_ob_nr)],	3039	decrease_ob_nr destroy)],
2918	["cf::object::player" => qw(player)],	3040	["cf::object::player" => qw(player)],
2919	["cf::player" => qw(peaceful)],	3041	["cf::player" => qw(peaceful)],
2920	["cf::map" => qw(trigger)],	3042	["cf::map" => qw(trigger)],
2921	) {	3043	) {
2922	no strict 'refs';	3044	no strict 'refs';
…		…
3198	# we must not ever block the main coroutine	3320	# we must not ever block the main coroutine
3199	local $Coro::idle = sub {	3321	local $Coro::idle = sub {
3200	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3322	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3201	(async {	3323	(async {
3202	$Coro::current->{desc} = "IDLE BUG HANDLER";	3324	$Coro::current->{desc} = "IDLE BUG HANDLER";
3203	Event::one_event;	3325	EV::loop EV::LOOP_ONESHOT;
3204	})->prio (Coro::PRIO_MAX);	3326	})->prio (Coro::PRIO_MAX);
3205	};	3327	};
3206		3328
3207	reload_config;	3329	reload_config;
3208	db_init;	3330	db_init;
3209	load_extensions;	3331	load_extensions;
3210		3332
3211	$TICK_WATCHER->start;	3333	$TICK_WATCHER->start;
		3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3212	Event::loop;	3335	EV::loop;
3213	}	3336	}
3214		3337
3215	#############################################################################	3338	#############################################################################
3216	# initialisation and cleanup	3339	# initialisation and cleanup
3217		3340
3218	# install some emergency cleanup handlers	3341	# install some emergency cleanup handlers
3219	BEGIN {	3342	BEGIN {
		3343	our %SIGWATCHER = ();
3220	for my $signal (qw(INT HUP TERM)) {	3344	for my $signal (qw(INT HUP TERM)) {
3221	Event->signal (	3345	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3222	reentrant => 0,
3223	data => WF_AUTOCANCEL,
3224	signal => $signal,
3225	prio => 0,
3226	cb => sub {
3227	cf::cleanup "SIG$signal";	3346	cf::cleanup "SIG$signal";
3228	},
3229	);	3347	};
3230	}	3348	}
3231	}	3349	}
3232		3350
3233	sub write_runtime {	3351	sub write_runtime {
3234	my $runtime = "$LOCALDIR/runtime";	3352	my $runtime = "$LOCALDIR/runtime";
…		…
3279	# and maps saved/destroyed asynchronously.	3397	# and maps saved/destroyed asynchronously.
3280	warn "begin emergency player save\n";	3398	warn "begin emergency player save\n";
3281	for my $login (keys %cf::PLAYER) {	3399	for my $login (keys %cf::PLAYER) {
3282	my $pl = $cf::PLAYER{$login} or next;	3400	my $pl = $cf::PLAYER{$login} or next;
3283	$pl->valid or next;	3401	$pl->valid or next;
		3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3284	$pl->save;	3403	$pl->save;
3285	}	3404	}
3286	warn "end emergency player save\n";	3405	warn "end emergency player save\n";
3287		3406
3288	warn "begin emergency map save\n";	3407	warn "begin emergency map save\n";
…		…
3327	warn "syncing database to disk";	3446	warn "syncing database to disk";
3328	BDB::db_env_txn_checkpoint $DB_ENV;	3447	BDB::db_env_txn_checkpoint $DB_ENV;
3329		3448
3330	# if anything goes wrong in here, we should simply crash as we already saved	3449	# if anything goes wrong in here, we should simply crash as we already saved
3331		3450
3332	warn "cancelling all WF_AUTOCANCEL watchers";
3333	for (Event::all_watchers) {
3334	$_->cancel if $_->data & WF_AUTOCANCEL;
3335	}
3336
3337	warn "flushing outstanding aio requests";	3451	warn "flushing outstanding aio requests";
3338	for (;;) {	3452	for (;;) {
3339	BDB::flush;	3453	BDB::flush;
3340	IO::AIO::flush;	3454	IO::AIO::flush;
3341	Coro::cede;	3455	Coro::cede_notself;
3342	last unless IO::AIO::nreqs \|\| BDB::nreqs;	3456	last unless IO::AIO::nreqs \|\| BDB::nreqs;
3343	warn "iterate...";	3457	warn "iterate...";
3344	}	3458	}
3345		3459
3346	++$RELOAD;	3460	++$RELOAD;
…		…
3435		3549
3436	sub reload_perl() {	3550	sub reload_perl() {
3437	# doing reload synchronously and two reloads happen back-to-back,	3551	# doing reload synchronously and two reloads happen back-to-back,
3438	# coro crashes during coro_state_free->destroy here.	3552	# coro crashes during coro_state_free->destroy here.
3439		3553
3440	$RELOAD_WATCHER \|\|= Event->timer (	3554	$RELOAD_WATCHER \|\|= EV::timer 0, 0, sub {
3441	reentrant => 0,
3442	after => 0,
3443	data => WF_AUTOCANCEL,
3444	cb => sub {
3445	do_reload_perl;
3446	undef $RELOAD_WATCHER;	3555	undef $RELOAD_WATCHER;
3447	},	3556	do_reload_perl;
3448	);	3557	};
3449	}	3558	}
3450		3559
3451	register_command "reload" => sub {	3560	register_command "reload" => sub {
3452	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
3453		3562
…		…
3483	my $signal = new Coro::Signal;	3592	my $signal = new Coro::Signal;
3484	push @WAIT_FOR_TICK_BEGIN, $signal;	3593	push @WAIT_FOR_TICK_BEGIN, $signal;
3485	$signal->wait;	3594	$signal->wait;
3486	}	3595	}
3487		3596
3488	$TICK_WATCHER = Event->timer (	3597	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
3489	reentrant => 0,
3490	parked => 1,
3491	prio => 0,
3492	at => $NEXT_TICK \|\| $TICK,
3493	data => WF_AUTOCANCEL,
3494	cb => sub {
3495	if ($Coro::current != $Coro::main) {	3598	if ($Coro::current != $Coro::main) {
3496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3599	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3497	unless ++$bug_warning > 10;	3600	unless ++$bug_warning > 10;
3498	return;	3601	return;
3499	}	3602	}
3500		3603
3501	$NOW = $tick_start = Event::time;	3604	$NOW = $tick_start = EV::now;
3502		3605
3503	cf::server_tick; # one server iteration	3606	cf::server_tick; # one server iteration
3504		3607
3505	$RUNTIME += $TICK;	3608	$RUNTIME += $TICK;
3506	$NEXT_TICK += $TICK;	3609	$NEXT_TICK += $TICK;
3507		3610
3508	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3509	$NEXT_RUNTIME_WRITE = $NOW + 10;	3612	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3510	Coro::async_pool {	3613	Coro::async_pool {
3511	$Coro::current->{desc} = "runtime saver";	3614	$Coro::current->{desc} = "runtime saver";
3512	write_runtime	3615	write_runtime
3513	or warn "ERROR: unable to write runtime file: $!";	3616	or warn "ERROR: unable to write runtime file: $!";
3514	};
3515	}	3617	};
		3618	}
3516		3619
3517	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3620	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3518	$sig->send;	3621	$sig->send;
3519	}	3622	}
3520	while (my $sig = shift @WAIT_FOR_TICK) {	3623	while (my $sig = shift @WAIT_FOR_TICK) {
3521	$sig->send;	3624	$sig->send;
3522	}	3625	}
3523		3626
3524	$NOW = Event::time;
3525
3526	# if we are delayed by four ticks or more, skip them all
3527	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3528
3529	$TICK_WATCHER->at ($NEXT_TICK);
3530	$TICK_WATCHER->start;
3531
3532	$LOAD = ($NOW - $tick_start) / $TICK;	3627	$LOAD = ($NOW - $tick_start) / $TICK;
3533	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3628	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3534		3629
3535	_post_tick;	3630	_post_tick;
3536	},	3631	};
3537	);	3632	$TICK_WATCHER->priority (EV::MAXPRI);
3538		3633
3539	{	3634	{
		3635	# configure BDB
		3636
3540	BDB::min_parallel 8;	3637	BDB::min_parallel 8;
3541	BDB::max_poll_time $TICK * 0.1;	3638	BDB::max_poll_reqs $TICK * 0.1;
3542	$BDB_POLL_WATCHER = Event->io (	3639	$Coro::BDB::WATCHER->priority (1);
3543	reentrant => 0,
3544	fd => BDB::poll_fileno,
3545	poll => 'r',
3546	prio => 0,
3547	data => WF_AUTOCANCEL,
3548	cb => \&BDB::poll_cb,
3549	);
3550
3551	BDB::set_sync_prepare {
3552	my $status;
3553	my $current = $Coro::current;
3554	(
3555	sub {
3556	$status = $!;
3557	$current->ready; undef $current;
3558	},
3559	sub {
3560	Coro::schedule while defined $current;
3561	$! = $status;
3562	},
3563	)
3564	};
3565		3640
3566	unless ($DB_ENV) {	3641	unless ($DB_ENV) {
3567	$DB_ENV = BDB::db_env_create;	3642	$DB_ENV = BDB::db_env_create;
3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC	3643	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC
3569	\| BDB::LOG_AUTOREMOVE, 1);	3644	\| BDB::LOG_AUTOREMOVE, 1);
…		…
3584		3659
3585	cf::cleanup "db_env_open(db): $@" if $@;	3660	cf::cleanup "db_env_open(db): $@" if $@;
3586	};	3661	};
3587	}	3662	}
3588		3663
3589	$BDB_DEADLOCK_WATCHER = Event->timer (	3664	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3590	after => 3,
3591	interval => 1,
3592	hard => 1,
3593	prio => 0,
3594	data => WF_AUTOCANCEL,
3595	cb => sub {
3596	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3665	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3597	},
3598	);	3666	};
3599	$BDB_CHECKPOINT_WATCHER = Event->timer (	3667	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3600	after => 11,
3601	interval => 60,
3602	hard => 1,
3603	prio => 0,
3604	data => WF_AUTOCANCEL,
3605	cb => sub {
3606	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3668	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3607	},
3608	);	3669	};
3609	$BDB_TRICKLE_WATCHER = Event->timer (	3670	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3610	after => 5,
3611	interval => 10,
3612	hard => 1,
3613	prio => 0,
3614	data => WF_AUTOCANCEL,
3615	cb => sub {
3616	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3671	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3617	},
3618	);	3672	};
3619	}	3673	}
3620		3674
3621	{	3675	{
		3676	# configure IO::AIO
		3677
3622	IO::AIO::min_parallel 8;	3678	IO::AIO::min_parallel 8;
3623
3624	undef $Coro::AIO::WATCHER;
3625	IO::AIO::max_poll_time $TICK * 0.1;	3679	IO::AIO::max_poll_time $TICK * 0.1;
3626	$AIO_POLL_WATCHER = Event->io (	3680	$Coro::AIO::WATCHER->priority (1);
3627	reentrant => 0,
3628	data => WF_AUTOCANCEL,
3629	fd => IO::AIO::poll_fileno,
3630	poll => 'r',
3631	prio => 0,
3632	cb => \&IO::AIO::poll_cb,
3633	);
3634	}	3681	}
3635		3682
3636	my $_log_backtrace;	3683	my $_log_backtrace;
3637		3684
3638	sub _log_backtrace {	3685	sub _log_backtrace {

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.376 by root, Mon Oct 1 00:44:44 2007 UTC vs. Revision 1.403 by root, Mon Dec 17 07:09:18 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.376 by root, Mon Oct 1 00:44:44 2007 UTC vs.
Revision 1.403 by root, Mon Dec 17 07:09:18 2007 UTC