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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.379 by root, Thu Oct 4 23:59:07 2007 UTC vs.
Revision 1.418 by root, Fri Apr 11 21:09:53 2008 UTC

…		…
		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.64 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
24	use Coro::Util ();	46	use Coro::Util ();
25		47
26	use JSON::XS ();	48	use JSON::XS 2.01 ();
27	use BDB ();	49	use BDB ();
28	use Data::Dumper;	50	use Data::Dumper;
29	use Digest::MD5;	51	use Digest::MD5;
30	use Fcntl;	52	use Fcntl;
31	use YAML::Syck ();	53	use YAML ();
32	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
33	use Time::HiRes;	55	use Time::HiRes;
34	use Compress::LZF;	56	use Compress::LZF;
35	use Digest::MD5 ();	57	use Digest::MD5 ();
36		58
37	# configure various modules to our taste	59	# configure various modules to our taste
38	#	60	#
39	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	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	63	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
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47		64
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		66
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		68
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
75		93
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	97	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		99
84	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	101	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	102	our $BDB_CHECKPOINT_WATCHER;
…		…
89		105
90	our %CFG;	106	our %CFG;
91		107
92	our $UPTIME; $UPTIME \|\|= time;	108	our $UPTIME; $UPTIME \|\|= time;
93	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
94		111
95	our (%PLAYER, %PLAYER_LOADING); # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
98		115
99	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		118
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
105		123
106	binmode STDOUT;	124	binmode STDOUT;
107	binmode STDERR;	125	binmode STDERR;
108		126
109	# read virtual server time, if available	127	# read virtual server time, if available
…		…
162		180
163	The raw value load value from the last tick.	181	The raw value load value from the last tick.
164		182
165	=item %cf::CFG	183	=item %cf::CFG
166		184
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	186	from wherever your confdir points to.
169		187
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		189
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		212
195	LOG llevError, $msg;	213	LOG llevError, $msg;
196	};	214	};
197	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
198		231
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
215	)) {	248	)) {
216	no strict 'refs';	249	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	251	}
219		252
220	$Event::DIED = sub {	253	$EV::DIED = sub {
221	warn "error in event callback: @_";	254	warn "error in event callback: @_";
222	};	255	};
223		256
224	#############################################################################	257	#############################################################################
225		258
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	282	$d
250	} \|\| "[unable to dump $_[0]: '$@']";	283	} \|\| "[unable to dump $_[0]: '$@']";
251	}	284	}
252		285
253	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
254		287
255	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
256		289
257	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
258		291
259	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
260		293
261	=cut	294	=cut
262		295
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		297
265	sub to_json ($) { $json_coder->encode ($_[0]) }	298	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	299	sub decode_json($) { $json_coder->decode ($_[0]) }
267		300
268	=item cf::lock_wait $string	301	=item cf::lock_wait $string
269		302
270	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
271		304
…		…
327		360
328	! ! $LOCK{$key}	361	! ! $LOCK{$key}
329	}	362	}
330		363
331	sub freeze_mainloop {	364	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
333		366
334	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
335	$TICK_WATCHER->start;	368	}
336	};	369
337	$TICK_WATCHER->stop;	370	=item cf::periodic $interval, $cb
338	$guard	371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
339	}	383	}
340		384
341	=item cf::get_slot $time[, $priority[, $name]]	385	=item cf::get_slot $time[, $priority[, $name]]
342		386
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
373	}	417	}
374	}	418	}
375	}	419	}
376		420
377	if (@SLOT_QUEUE) {	421	if (@SLOT_QUEUE) {
378	# we do not use wait_For_tick() as it returns immediately when tick is inactive	422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	423	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;	424	$signal->wait;
381	} else {	425	} else {
382	Coro::schedule;	426	Coro::schedule;
383	}	427	}
…		…
406		450
407	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
408		452
409	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
410		454
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	455	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	456	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	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	458	acceptable.
415		459
416	If it must be done, put the blocking parts into C<sync_job>. This will run	460	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	461	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		466
423	sub sync_job(&) {	467	sub sync_job(&) {
424	my ($job) = @_;	468	my ($job) = @_;
425		469
426	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	471	my $time = EV::time;
428		472
429	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
431		475
432	LOG llevError \| logBacktrace, Carp::longmess "sync job";#d#	476	LOG llevError, Carp::longmess "sync job";#d#
433		477
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
437		479
438	my $busy = 1;	480	my $busy = 1;
439	my @res;	481	my @res;
440		482
…		…
444	warn $@ if $@;	486	warn $@ if $@;
445	undef $busy;	487	undef $busy;
446	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
447		489
448	while ($busy) {	490	while ($busy) {
449	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
450	}	495	}
		496	}
451		497
452	$time = Event::time - $time;	498	my $time = EV::time - $time;
453		499
454	LOG llevError \| logBacktrace, Carp::longmess "long sync job"
455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457	$tick_start += $time; # do not account sync jobs to server load	500	$TICK_START += $time; # do not account sync jobs to server load
458		501
459	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
460	} else {	503	} else {
461	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
462		505
…		…
487	=item fork_call { }, $args	530	=item fork_call { }, $args
488		531
489	Executes the given code block with the given arguments in a seperate	532	Executes the given code block with the given arguments in a seperate
490	process, returning the results. Everything must be serialisable with	533	process, returning the results. Everything must be serialisable with
491	Coro::Storable. May, of course, block. Note that the executed sub may	534	Coro::Storable. May, of course, block. Note that the executed sub may
492	never block itself or use any form of Event handling.	535	never block itself or use any form of event handling.
493		536
494	=cut	537	=cut
495		538
496	sub fork_call(&@) {	539	sub fork_call(&@) {
497	my ($cb, @args) = @_;	540	my ($cb, @args) = @_;
…		…
504	reset_signals;	547	reset_signals;
505	&$cb	548	&$cb
506	}, @args;	549	}, @args;
507		550
508	wantarray ? @res : $res[-1]	551	wantarray ? @res : $res[-1]
		552	}
		553
		554	=item $coin = coin_from_name $name
		555
		556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
509	}	579	}
510		580
511	=item $value = cf::db_get $family => $key	581	=item $value = cf::db_get $family => $key
512		582
513	Returns a single value from the environment database.	583	Returns a single value from the environment database.
…		…
658	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
659	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
660		730
661	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
662	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
663	Crossfire TRT).	733	Deliantra).
664		734
665	=over 4	735	=over 4
666		736
667	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
668		738
…		…
950	}	1020	}
951		1021
952	0	1022	0
953	}	1023	}
954		1024
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1026
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1028
959	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
960		1030
…		…
966		1036
967	=cut	1037	=cut
968		1038
969	#############################################################################	1039	#############################################################################
970	# object support	1040	# object support
971	#
972		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
973	sub _can_merge {	1075	sub _can_merge {
974	my ($ob1, $ob2) = @_;	1076	my ($ob1, $ob2) = @_;
975		1077
976	local $Storable::canonical = 1;	1078	++$SLOW_MERGES;#d#
977	my $fob1 = Storable::freeze $ob1;
978	my $fob2 = Storable::freeze $ob2;
979		1079
980	$fob1 eq $fob2	1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
981	}	1082	}
982		1083
983	sub reattach {	1084	sub reattach {
984	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
985	my ($obj) = @_;	1086	my ($obj) = @_;
…		…
1007	cf::attachable->attach (	1108	cf::attachable->attach (
1008	prio => -1000000,	1109	prio => -1000000,
1009	on_instantiate => sub {	1110	on_instantiate => sub {
1010	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
1011		1112
1012	$data = from_json $data;	1113	$data = decode_json $data;
1013		1114
1014	for (@$data) {	1115	for (@$data) {
1015	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
1016		1117
1017	$obj->attach ($name, %{$args \|\| {} });	1118	$obj->attach ($name, %{$args \|\| {} });
…		…
1046	close $fh;	1147	close $fh;
1047		1148
1048	if (@$objs) {	1149	if (@$objs) {
1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
1051	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1052	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
1053	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
1054	close $fh;	1155	close $fh;
1055	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
1056	}	1157	}
…		…
1087		1188
1088	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1191	or return;
1091		1192
1092	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
1093	}	1195	}
1094		1196
1095	utf8::decode (my $decname = $filename);	1197	utf8::decode (my $decname = $filename);
1096	warn sprintf "loading %s (%d,%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
1097	$decname, length $data, scalar @{$av \|\| []};	1199	$decname, length $data, scalar @{$av \|\| []};
…		…
1253	my $msg = $@ ? "$v->{path}: $@\n"	1355	my $msg = $@ ? "$v->{path}: $@\n"
1254	: "$v->{base}: extension inactive.\n";	1356	: "$v->{base}: extension inactive.\n";
1255		1357
1256	if (exists $v->{meta}{mandatory}) {	1358	if (exists $v->{meta}{mandatory}) {
1257	warn $msg;	1359	warn $msg;
1258	warn "mandatory extension failed to load, exiting.\n";	1360	cf::cleanup "mandatory extension failed to load, exiting.";
1259	exit 1;
1260	}	1361	}
1261		1362
1262	warn $msg;	1363	warn $msg;
1263	}	1364	}
1264		1365
…		…
1512		1613
1513	Expand crossfire pod fragments into protocol xml.	1614	Expand crossfire pod fragments into protocol xml.
1514		1615
1515	=cut	1616	=cut
1516		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	\| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
1517	sub expand_cfpod {	1629	sub expand_cfpod {
1518	((my $self), (local $_)) = @_;	1630	my ($self, $pod) = @_;
1519		1631
1520	# escape & and <	1632	my $xml;
1521	s/&/&/g;
1522	s/(?<![BIUGHT])</</g;
1523		1633
1524	# this is buggy, it needs to properly take care of nested <'s	1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ \| .(?!<) )+ )/xgcs) {
		1636	$group = $1;
1525		1637
1526	1 while	1638	$group =~ s/&/&/g;
1527	# replace B<>, I<>, U<> etc.	1639	$group =~ s/</</g;
1528	s/B<([^\>]*)>/<b>$1<\/b>/	1640
1529	\|\| s/I<([^\>]*)>/<i>$1<\/i>/	1641	$xml .= $group;
1530	\|\| s/U<([^\>]*)>/<u>$1<\/u>/	1642	} elsif ($pod =~ m%\G
1531	\|\| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/	1643	([BCGHITU])
1532	# replace G<male\|female> tags	1644	<
1533	\|\| s{G<([^>\|])\\|([^>])>}{	1645	(?:
1534	$self->gender ? $2 : $1	1646	([^<>]*) (?{ $group = $^N })
1535	}ge	1647	\| < $interior >
1536	# replace H<hint text>	1648	)
1537	\|\| s{H<([^\>]*)>}	1649	>
		1650	%gcsx
1538	{	1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
1539	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1540	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1541	"")	1671	"")
1542	[$self->{hintmode}]	1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
1543	}ge;	1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
1544		1683
		1684	for ($xml) {
1545	# create single paragraphs (very hackish)	1685	# create single paragraphs (very hackish)
1546	s/(?<=\S)\n(?=\w)/ /g;	1686	s/(?<=\S)\n(?=\w)/ /g;
1547		1687
1548	# compress some whitespace	1688	# compress some whitespace
1549	s/\s+\n/\n/g; # ws line-ends	1689	s/\s+\n/\n/g; # ws line-ends
1550	s/\n\n+/\n/g; # double lines	1690	s/\n\n+/\n/g; # double lines
1551	s/^\n+//; # beginning lines	1691	s/^\n+//; # beginning lines
1552	s/\n+$//; # ending lines	1692	s/\n+$//; # ending lines
		1693	}
1553		1694
1554	$_	1695	$xml
1555	}	1696	}
		1697
		1698	no re 'eval';
1556		1699
1557	sub hintmode {	1700	sub hintmode {
1558	$_[0]{hintmode} = $_[1] if @_ > 1;	1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1559	$_[0]{hintmode}	1702	$_[0]{hintmode}
1560	}	1703	}
…		…
1632	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1633	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1634		1777
1635	sub generate_random_map {	1778	sub generate_random_map {
1636	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1637	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1638	$self->_create_random_map (	1784	$self->_create_random_map (
1639	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1640	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1641	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
2234	: ()	2380	: ()
2235	} @{ aio_readdir $UNIQUEDIR or [] }	2381	} @{ aio_readdir $UNIQUEDIR or [] }
2236	]	2382	]
2237	}	2383	}
2238		2384
2239	package cf;
2240
2241	=back	2385	=back
2242		2386
2243	=head3 cf::object	2387	=head3 cf::object
2244		2388
2245	=cut	2389	=cut
…		…
2547	$rmp->{origin_y} = $exit->y;	2691	$rmp->{origin_y} = $exit->y;
2548	}	2692	}
2549		2693
2550	$rmp->{random_seed} \|\|= $exit->random_seed;	2694	$rmp->{random_seed} \|\|= $exit->random_seed;
2551		2695
2552	my $data = cf::to_json $rmp;	2696	my $data = cf::encode_json $rmp;
2553	my $md5 = Digest::MD5::md5_hex $data;	2697	my $md5 = Digest::MD5::md5_hex $data;
2554	my $meta = "$RANDOMDIR/$md5.meta";	2698	my $meta = "$RANDOMDIR/$md5.meta";
2555		2699
2556	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {	2700	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
2557	aio_write $fh, 0, (length $data), $data, 0;	2701	aio_write $fh, 0, (length $data), $data, 0;
…		…
2630	the message, with C<log> being the default. If C<$color> is negative, suppress	2774	the message, with C<log> being the default. If C<$color> is negative, suppress
2631	the message unless the client supports the msg packet.	2775	the message unless the client supports the msg packet.
2632		2776
2633	=cut	2777	=cut
2634		2778
		2779	# non-persistent channels (usually the info channel)
2635	our %CHANNEL = (	2780	our %CHANNEL = (
2636	"c/identify" => {	2781	"c/identify" => {
2637	id => "infobox",	2782	id => "infobox",
2638	title => "Identify",	2783	title => "Identify",
2639	reply => undef,	2784	reply => undef,
…		…
2643	id => "infobox",	2788	id => "infobox",
2644	title => "Examine",	2789	title => "Examine",
2645	reply => undef,	2790	reply => undef,
2646	tooltip => "Signs and other items you examined",	2791	tooltip => "Signs and other items you examined",
2647	},	2792	},
		2793	"c/book" => {
		2794	id => "infobox",
		2795	title => "Book",
		2796	reply => undef,
		2797	tooltip => "The contents of a note or book",
		2798	},
2648	"c/lookat" => {	2799	"c/lookat" => {
2649	id => "infobox",	2800	id => "infobox",
2650	title => "Look",	2801	title => "Look",
2651	reply => undef,	2802	reply => undef,
2652	tooltip => "What you saw there",	2803	tooltip => "What you saw there",
		2804	},
		2805	"c/who" => {
		2806	id => "infobox",
		2807	title => "Players",
		2808	reply => undef,
		2809	tooltip => "Shows players who are currently online",
		2810	},
		2811	"c/body" => {
		2812	id => "infobox",
		2813	title => "Body Parts",
		2814	reply => undef,
		2815	tooltip => "Shows which body parts you posess and are available",
		2816	},
		2817	"c/uptime" => {
		2818	id => "infobox",
		2819	title => "Uptime",
		2820	reply => undef,
		2821	tooltip => "How long the server has been running since last restart",
		2822	},
		2823	"c/mapinfo" => {
		2824	id => "infobox",
		2825	title => "Map Info",
		2826	reply => undef,
		2827	tooltip => "Information related to the maps",
2653	},	2828	},
2654	);	2829	);
2655		2830
2656	sub cf::client::send_msg {	2831	sub cf::client::send_msg {
2657	my ($self, $channel, $msg, $color, @extra) = @_;	2832	my ($self, $channel, $msg, $color, @extra) = @_;
…		…
2894	=pod	3069	=pod
2895		3070
2896	The following functions and methods are available within a safe environment:	3071	The following functions and methods are available within a safe environment:
2897		3072
2898	cf::object	3073	cf::object
2899	contr pay_amount pay_player map x y force_find force_add	3074	contr pay_amount pay_player map x y force_find force_add destroy
2900	insert remove name archname title slaying race decrease_ob_nr	3075	insert remove name archname title slaying race decrease_ob_nr
2901		3076
2902	cf::object::player	3077	cf::object::player
2903	player	3078	player
2904		3079
…		…
2911	=cut	3086	=cut
2912		3087
2913	for (	3088	for (
2914	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3089	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2915	insert remove inv name archname title slaying race	3090	insert remove inv name archname title slaying race
2916	decrease_ob_nr)],	3091	decrease_ob_nr destroy)],
2917	["cf::object::player" => qw(player)],	3092	["cf::object::player" => qw(player)],
2918	["cf::player" => qw(peaceful)],	3093	["cf::player" => qw(peaceful)],
2919	["cf::map" => qw(trigger)],	3094	["cf::map" => qw(trigger)],
2920	) {	3095	) {
2921	no strict 'refs';	3096	no strict 'refs';
…		…
3026	{	3201	{
3027	my $faces = $facedata->{faceinfo};	3202	my $faces = $facedata->{faceinfo};
3028		3203
3029	while (my ($face, $info) = each %$faces) {	3204	while (my ($face, $info) = each %$faces) {
3030	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;	3205	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
		3206
3031	cf::face::set_visibility $idx, $info->{visibility};	3207	cf::face::set_visibility $idx, $info->{visibility};
3032	cf::face::set_magicmap $idx, $info->{magicmap};	3208	cf::face::set_magicmap $idx, $info->{magicmap};
3033	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3034	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3035		3211
3036	cf::cede_to_tick;	3212	cf::cede_to_tick;
3037	}	3213	}
3038		3214
3039	while (my ($face, $info) = each %$faces) {	3215	while (my ($face, $info) = each %$faces) {
3040	next unless $info->{smooth};	3216	next unless $info->{smooth};
		3217
3041	my $idx = cf::face::find $face	3218	my $idx = cf::face::find $face
3042	or next;	3219	or next;
		3220
3043	if (my $smooth = cf::face::find $info->{smooth}) {	3221	if (my $smooth = cf::face::find $info->{smooth}) {
3044	cf::face::set_smooth $idx, $smooth;	3222	cf::face::set_smooth $idx, $smooth;
3045	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3046	} else {	3224	} else {
3047	warn "smooth face '$info->{smooth}' not found for face '$face'";	3225	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3065	{	3243	{
3066	# TODO: for gcfclient pleasure, we should give resources	3244	# TODO: for gcfclient pleasure, we should give resources
3067	# that gcfclient doesn't grok a >10000 face index.	3245	# that gcfclient doesn't grok a >10000 face index.
3068	my $res = $facedata->{resource};	3246	my $res = $facedata->{resource};
3069		3247
3070	my $soundconf = delete $res->{"res/sound.conf"};
3071
3072	while (my ($name, $info) = each %$res) {	3248	while (my ($name, $info) = each %$res) {
		3249	if (defined $info->{type}) {
3073	my $idx = (cf::face::find $name) \|\| cf::face::alloc $name;	3250	my $idx = (cf::face::find $name) \|\| cf::face::alloc $name;
3074	my $data;	3251	my $data;
3075		3252
3076	if ($info->{type} & 1) {	3253	if ($info->{type} & 1) {
3077	# prepend meta info	3254	# prepend meta info
3078		3255
3079	my $meta = $enc->encode ({	3256	my $meta = $enc->encode ({
3080	name => $name,	3257	name => $name,
3081	%{ $info->{meta} \|\| {} },	3258	%{ $info->{meta} \|\| {} },
3082	});	3259	});
3083		3260
3084	$data = pack "(w/a)", $meta, $info->{data};	3261	$data = pack "(w/a)", $meta, $info->{data};
		3262	} else {
		3263	$data = $info->{data};
		3264	}
		3265
		3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3267	cf::face::set_type $idx, $info->{type};
3085	} else {	3268	} else {
3086	$data = $info->{data};	3269	$RESOURCE{$name} = $info;
3087	}	3270	}
3088		3271
3089	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3090	cf::face::set_type $idx, $info->{type};
3091
3092	cf::cede_to_tick;	3272	cf::cede_to_tick;
3093	}	3273	}
3094
3095	if ($soundconf) {
3096	$soundconf = $enc->decode (delete $soundconf->{data});
3097
3098	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3099	my $sound = $soundconf->{compat}[$_]
3100	or next;
3101
3102	my $face = cf::face::find "sound/$sound->[1]";
3103	cf::sound::set $sound->[0] => $face;
3104	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3105	}
3106
3107	while (my ($k, $v) = each %{$soundconf->{event}}) {
3108	my $face = cf::face::find "sound/$v";
3109	cf::sound::set $k => $face;
3110	}
3111	}
3112	}	3274	}
		3275
		3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3113		3277
3114	1	3278	1
3115	}	3279	}
		3280
		3281	cf::global->attach (on_resource_update => sub {
		3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3284
		3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3286	my $sound = $soundconf->{compat}[$_]
		3287	or next;
		3288
		3289	my $face = cf::face::find "sound/$sound->[1]";
		3290	cf::sound::set $sound->[0] => $face;
		3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3292	}
		3293
		3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3295	my $face = cf::face::find "sound/$v";
		3296	cf::sound::set $k => $face;
		3297	}
		3298	}
		3299	});
3116		3300
3117	register_exticmd fx_want => sub {	3301	register_exticmd fx_want => sub {
3118	my ($ns, $want) = @_;	3302	my ($ns, $want) = @_;
3119		3303
3120	while (my ($k, $v) = each %$want) {	3304	while (my ($k, $v) = each %$want) {
…		…
3175	sub reload_config {	3359	sub reload_config {
3176	open my $fh, "<:utf8", "$CONFDIR/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
3177	or return;	3361	or return;
3178		3362
3179	local $/;	3363	local $/;
3180	*CFG = YAML::Syck::Load <$fh>;	3364	*CFG = YAML::Load <$fh>;
3181		3365
3182	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];	3366	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
3183		3367
3184	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3368	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3185	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3197	# we must not ever block the main coroutine	3381	# we must not ever block the main coroutine
3198	local $Coro::idle = sub {	3382	local $Coro::idle = sub {
3199	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3383	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3200	(async {	3384	(async {
3201	$Coro::current->{desc} = "IDLE BUG HANDLER";	3385	$Coro::current->{desc} = "IDLE BUG HANDLER";
3202	Event::one_event;	3386	EV::loop EV::LOOP_ONESHOT;
3203	})->prio (Coro::PRIO_MAX);	3387	})->prio (Coro::PRIO_MAX);
3204	};	3388	};
3205		3389
3206	reload_config;	3390	reload_config;
3207	db_init;	3391	db_init;
3208	load_extensions;	3392	load_extensions;
3209		3393
3210	$TICK_WATCHER->start;	3394	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3395	evthread_start IO::AIO::poll_fileno;
3211	Event::loop;	3396	EV::loop;
3212	}	3397	}
3213		3398
3214	#############################################################################	3399	#############################################################################
3215	# initialisation and cleanup	3400	# initialisation and cleanup
3216		3401
3217	# install some emergency cleanup handlers	3402	# install some emergency cleanup handlers
3218	BEGIN {	3403	BEGIN {
		3404	our %SIGWATCHER = ();
3219	for my $signal (qw(INT HUP TERM)) {	3405	for my $signal (qw(INT HUP TERM)) {
3220	Event->signal (	3406	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3221	reentrant => 0,
3222	data => WF_AUTOCANCEL,
3223	signal => $signal,
3224	prio => 0,
3225	cb => sub {
3226	cf::cleanup "SIG$signal";	3407	cf::cleanup "SIG$signal";
3227	},
3228	);	3408	};
3229	}	3409	}
3230	}	3410	}
3231		3411
3232	sub write_runtime {	3412	sub write_runtime_sync {
3233	my $runtime = "$LOCALDIR/runtime";	3413	my $runtime = "$LOCALDIR/runtime";
3234		3414
3235	# first touch the runtime file to show we are still running:	3415	# first touch the runtime file to show we are still running:
3236	# the fsync below can take a very very long time.	3416	# the fsync below can take a very very long time.
3237		3417
…		…
3263	and return;	3443	and return;
3264		3444
3265	warn "runtime file written.\n";	3445	warn "runtime file written.\n";
3266		3446
3267	1	3447	1
		3448	}
		3449
		3450	our $uuid_lock;
		3451	our $uuid_skip;
		3452
		3453	sub write_uuid_sync($) {
		3454	$uuid_skip \|\|= $_[0];
		3455
		3456	return if $uuid_lock;
		3457	local $uuid_lock = 1;
		3458
		3459	my $uuid = "$LOCALDIR/uuid";
		3460
		3461	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3465	$uuid_skip = 0;
		3466
		3467	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3468	and return;
		3469
		3470	# always fsync - this file is important
		3471	aio_fsync $fh
		3472	and return;
		3473
		3474	close $fh
		3475	or return;
		3476
		3477	aio_rename "$uuid~", $uuid
		3478	and return;
		3479
		3480	warn "uuid file written ($value).\n";
		3481
		3482	1
		3483
		3484	}
		3485
		3486	sub write_uuid($$) {
		3487	my ($skip, $sync) = @_;
		3488
		3489	$sync ? write_uuid_sync $skip
		3490	: async { write_uuid_sync $skip };
3268	}	3491	}
3269		3492
3270	sub emergency_save() {	3493	sub emergency_save() {
3271	my $freeze_guard = cf::freeze_mainloop;	3494	my $freeze_guard = cf::freeze_mainloop;
3272		3495
…		…
3278	# and maps saved/destroyed asynchronously.	3501	# and maps saved/destroyed asynchronously.
3279	warn "begin emergency player save\n";	3502	warn "begin emergency player save\n";
3280	for my $login (keys %cf::PLAYER) {	3503	for my $login (keys %cf::PLAYER) {
3281	my $pl = $cf::PLAYER{$login} or next;	3504	my $pl = $cf::PLAYER{$login} or next;
3282	$pl->valid or next;	3505	$pl->valid or next;
		3506	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3283	$pl->save;	3507	$pl->save;
3284	}	3508	}
3285	warn "end emergency player save\n";	3509	warn "end emergency player save\n";
3286		3510
3287	warn "begin emergency map save\n";	3511	warn "begin emergency map save\n";
…		…
3293	warn "end emergency map save\n";	3517	warn "end emergency map save\n";
3294		3518
3295	warn "begin emergency database checkpoint\n";	3519	warn "begin emergency database checkpoint\n";
3296	BDB::db_env_txn_checkpoint $DB_ENV;	3520	BDB::db_env_txn_checkpoint $DB_ENV;
3297	warn "end emergency database checkpoint\n";	3521	warn "end emergency database checkpoint\n";
		3522
		3523	warn "begin write uuid\n";
		3524	write_uuid_sync 1;
		3525	warn "end write uuid\n";
3298	};	3526	};
3299		3527
3300	warn "leave emergency perl save\n";	3528	warn "leave emergency perl save\n";
3301	}	3529	}
3302		3530
…		…
3317	warn "reloading...";	3545	warn "reloading...";
3318		3546
3319	warn "entering sync_job";	3547	warn "entering sync_job";
3320		3548
3321	cf::sync_job {	3549	cf::sync_job {
3322	cf::write_runtime; # external watchdog should not bark	3550	cf::write_runtime_sync; # external watchdog should not bark
3323	cf::emergency_save;	3551	cf::emergency_save;
3324	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
3325		3553
3326	warn "syncing database to disk";	3554	warn "syncing database to disk";
3327	BDB::db_env_txn_checkpoint $DB_ENV;	3555	BDB::db_env_txn_checkpoint $DB_ENV;
3328		3556
3329	# if anything goes wrong in here, we should simply crash as we already saved	3557	# if anything goes wrong in here, we should simply crash as we already saved
3330
3331	warn "cancelling all WF_AUTOCANCEL watchers";
3332	for (Event::all_watchers) {
3333	$_->cancel if $_->data & WF_AUTOCANCEL;
3334	}
3335		3558
3336	warn "flushing outstanding aio requests";	3559	warn "flushing outstanding aio requests";
3337	for (;;) {	3560	for (;;) {
3338	BDB::flush;	3561	BDB::flush;
3339	IO::AIO::flush;	3562	IO::AIO::flush;
3340	Coro::cede;	3563	Coro::cede_notself;
3341	last unless IO::AIO::nreqs \|\| BDB::nreqs;	3564	last unless IO::AIO::nreqs \|\| BDB::nreqs;
3342	warn "iterate...";	3565	warn "iterate...";
3343	}	3566	}
3344		3567
3345	++$RELOAD;	3568	++$RELOAD;
…		…
3421	warn "leaving sync_job";	3644	warn "leaving sync_job";
3422		3645
3423	1	3646	1
3424	} or do {	3647	} or do {
3425	warn $@;	3648	warn $@;
3426	warn "error while reloading, exiting.";	3649	cf::cleanup "error while reloading, exiting.";
3427	exit 1;
3428	};	3650	};
3429		3651
3430	warn "reloaded";	3652	warn "reloaded";
3431	};	3653	};
3432		3654
…		…
3434		3656
3435	sub reload_perl() {	3657	sub reload_perl() {
3436	# doing reload synchronously and two reloads happen back-to-back,	3658	# doing reload synchronously and two reloads happen back-to-back,
3437	# coro crashes during coro_state_free->destroy here.	3659	# coro crashes during coro_state_free->destroy here.
3438		3660
3439	$RELOAD_WATCHER \|\|= Event->timer (	3661	$RELOAD_WATCHER \|\|= EV::timer 0, 0, sub {
3440	reentrant => 0,
3441	after => 0,
3442	data => WF_AUTOCANCEL,
3443	cb => sub {
3444	do_reload_perl;	3662	do_reload_perl;
3445	undef $RELOAD_WATCHER;	3663	undef $RELOAD_WATCHER;
3446	},
3447	);	3664	};
3448	}	3665	}
3449		3666
3450	register_command "reload" => sub {	3667	register_command "reload" => sub {
3451	my ($who, $arg) = @_;	3668	my ($who, $arg) = @_;
3452		3669
…		…
3465		3682
3466	our @WAIT_FOR_TICK;	3683	our @WAIT_FOR_TICK;
3467	our @WAIT_FOR_TICK_BEGIN;	3684	our @WAIT_FOR_TICK_BEGIN;
3468		3685
3469	sub wait_for_tick {	3686	sub wait_for_tick {
3470	return unless $TICK_WATCHER->is_active;	3687	return if tick_inhibit;
3471	return if $Coro::current == $Coro::main;	3688	return if $Coro::current == $Coro::main;
3472		3689
3473	my $signal = new Coro::Signal;	3690	my $signal = new Coro::Signal;
3474	push @WAIT_FOR_TICK, $signal;	3691	push @WAIT_FOR_TICK, $signal;
3475	$signal->wait;	3692	$signal->wait;
3476	}	3693	}
3477		3694
3478	sub wait_for_tick_begin {	3695	sub wait_for_tick_begin {
3479	return unless $TICK_WATCHER->is_active;	3696	return if tick_inhibit;
3480	return if $Coro::current == $Coro::main;	3697	return if $Coro::current == $Coro::main;
3481		3698
3482	my $signal = new Coro::Signal;	3699	my $signal = new Coro::Signal;
3483	push @WAIT_FOR_TICK_BEGIN, $signal;	3700	push @WAIT_FOR_TICK_BEGIN, $signal;
3484	$signal->wait;	3701	$signal->wait;
3485	}	3702	}
3486		3703
3487	$TICK_WATCHER = Event->timer (	3704	sub tick {
3488	reentrant => 0,
3489	parked => 1,
3490	prio => 0,
3491	at => $NEXT_TICK \|\| $TICK,
3492	data => WF_AUTOCANCEL,
3493	cb => sub {
3494	if ($Coro::current != $Coro::main) {	3705	if ($Coro::current != $Coro::main) {
3495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3706	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3496	unless ++$bug_warning > 10;	3707	unless ++$bug_warning > 10;
3497	return;	3708	return;
3498	}	3709	}
3499		3710
3500	$NOW = $tick_start = Event::time;
3501
3502	cf::server_tick; # one server iteration	3711	cf::server_tick; # one server iteration
3503		3712
3504	$RUNTIME += $TICK;
3505	$NEXT_TICK += $TICK;
3506
3507	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3713	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3508	$NEXT_RUNTIME_WRITE = $NOW + 10;	3714	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3509	Coro::async_pool {	3715	Coro::async_pool {
3510	$Coro::current->{desc} = "runtime saver";	3716	$Coro::current->{desc} = "runtime saver";
3511	write_runtime	3717	write_runtime_sync
3512	or warn "ERROR: unable to write runtime file: $!";	3718	or warn "ERROR: unable to write runtime file: $!";
3513	};
3514	}	3719	};
		3720	}
3515		3721
3516	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3517	$sig->send;	3723	$sig->send;
3518	}	3724	}
3519	while (my $sig = shift @WAIT_FOR_TICK) {	3725	while (my $sig = shift @WAIT_FOR_TICK) {
3520	$sig->send;	3726	$sig->send;
3521	}	3727	}
3522		3728
3523	$NOW = Event::time;	3729	$LOAD = ($NOW - $TICK_START) / $TICK;
3524
3525	# if we are delayed by four ticks or more, skip them all
3526	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3527
3528	$TICK_WATCHER->at ($NEXT_TICK);
3529	$TICK_WATCHER->start;
3530
3531	$LOAD = ($NOW - $tick_start) / $TICK;
3532	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3730	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3533		3731
3534	_post_tick;	3732	if (0) {
		3733	if ($NEXT_TICK) {
		3734	my $jitter = $TICK_START - $NEXT_TICK;
		3735	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3736	warn "jitter $JITTER\n";#d#
		3737	}
3535	},	3738	}
3536	);	3739	}
3537		3740
3538	{	3741	{
		3742	# configure BDB
		3743
3539	BDB::min_parallel 8;	3744	BDB::min_parallel 8;
3540	BDB::max_poll_time $TICK * 0.1;	3745	BDB::max_poll_reqs $TICK * 0.1;
3541	$BDB_POLL_WATCHER = Event->io (	3746	$Coro::BDB::WATCHER->priority (1);
3542	reentrant => 0,
3543	fd => BDB::poll_fileno,
3544	poll => 'r',
3545	prio => 0,
3546	data => WF_AUTOCANCEL,
3547	cb => \&BDB::poll_cb,
3548	);
3549
3550	BDB::set_sync_prepare {
3551	my $status;
3552	my $current = $Coro::current;
3553	(
3554	sub {
3555	$status = $!;
3556	$current->ready; undef $current;
3557	},
3558	sub {
3559	Coro::schedule while defined $current;
3560	$! = $status;
3561	},
3562	)
3563	};
3564		3747
3565	unless ($DB_ENV) {	3748	unless ($DB_ENV) {
3566	$DB_ENV = BDB::db_env_create;	3749	$DB_ENV = BDB::db_env_create;
3567	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC	3750	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC
3568	\| BDB::LOG_AUTOREMOVE, 1);	3751	\| BDB::LOG_AUTOREMOVE, 1);
…		…
3583		3766
3584	cf::cleanup "db_env_open(db): $@" if $@;	3767	cf::cleanup "db_env_open(db): $@" if $@;
3585	};	3768	};
3586	}	3769	}
3587		3770
3588	$BDB_DEADLOCK_WATCHER = Event->timer (	3771	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3589	after => 3,
3590	interval => 1,
3591	hard => 1,
3592	prio => 0,
3593	data => WF_AUTOCANCEL,
3594	cb => sub {
3595	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3772	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3596	},
3597	);	3773	};
3598	$BDB_CHECKPOINT_WATCHER = Event->timer (	3774	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3599	after => 11,
3600	interval => 60,
3601	hard => 1,
3602	prio => 0,
3603	data => WF_AUTOCANCEL,
3604	cb => sub {
3605	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3775	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3606	},
3607	);	3776	};
3608	$BDB_TRICKLE_WATCHER = Event->timer (	3777	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3609	after => 5,
3610	interval => 10,
3611	hard => 1,
3612	prio => 0,
3613	data => WF_AUTOCANCEL,
3614	cb => sub {
3615	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3778	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3616	},
3617	);	3779	};
3618	}	3780	}
3619		3781
3620	{	3782	{
		3783	# configure IO::AIO
		3784
3621	IO::AIO::min_parallel 8;	3785	IO::AIO::min_parallel 8;
3622
3623	undef $Coro::AIO::WATCHER;
3624	IO::AIO::max_poll_time $TICK * 0.1;	3786	IO::AIO::max_poll_time $TICK * 0.1;
3625	$AIO_POLL_WATCHER = Event->io (	3787	$Coro::AIO::WATCHER->priority (1);
3626	reentrant => 0,
3627	data => WF_AUTOCANCEL,
3628	fd => IO::AIO::poll_fileno,
3629	poll => 'r',
3630	prio => 0,
3631	cb => \&IO::AIO::poll_cb,
3632	);
3633	}	3788	}
3634		3789
3635	my $_log_backtrace;	3790	my $_log_backtrace;
3636		3791
3637	sub _log_backtrace {	3792	sub _log_backtrace {

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.379 by root, Thu Oct 4 23:59:07 2007 UTC vs. Revision 1.418 by root, Fri Apr 11 21:09:53 2008 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.379 by root, Thu Oct 4 23:59:07 2007 UTC vs.
Revision 1.418 by root, Fri Apr 11 21:09:53 2008 UTC