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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.377 by root, Thu Oct 4 11:36:38 2007 UTC vs.
Revision 1.417 by root, Fri Apr 11 14:09:57 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	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
433	# (but this is cancel-safe)	477
434	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
435		479
436	my $busy = 1;	480	my $busy = 1;
437	my @res;	481	my @res;
438		482
…		…
442	warn $@ if $@;	486	warn $@ if $@;
443	undef $busy;	487	undef $busy;
444	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
445		489
446	while ($busy) {	490	while ($busy) {
447	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
448	}	495	}
		496	}
449		497
450	$time = Event::time - $time;	498	my $time = EV::time - $time;
451		499
452	LOG llevError \| logBacktrace, Carp::longmess "long sync job"
453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
454
455	$tick_start += $time; # do not account sync jobs to server load	500	$TICK_START += $time; # do not account sync jobs to server load
456		501
457	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
458	} else {	503	} else {
459	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
460		505
…		…
485	=item fork_call { }, $args	530	=item fork_call { }, $args
486		531
487	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
488	process, returning the results. Everything must be serialisable with	533	process, returning the results. Everything must be serialisable with
489	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
490	never block itself or use any form of Event handling.	535	never block itself or use any form of event handling.
491		536
492	=cut	537	=cut
493		538
494	sub fork_call(&@) {	539	sub fork_call(&@) {
495	my ($cb, @args) = @_;	540	my ($cb, @args) = @_;
…		…
502	reset_signals;	547	reset_signals;
503	&$cb	548	&$cb
504	}, @args;	549	}, @args;
505		550
506	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
507	}	579	}
508		580
509	=item $value = cf::db_get $family => $key	581	=item $value = cf::db_get $family => $key
510		582
511	Returns a single value from the environment database.	583	Returns a single value from the environment database.
…		…
656	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")
657	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
658		730
659	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>
660	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
661	Crossfire TRT).	733	Deliantra).
662		734
663	=over 4	735	=over 4
664		736
665	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
666		738
…		…
948	}	1020	}
949		1021
950	0	1022	0
951	}	1023	}
952		1024
953	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
954		1026
955	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
956		1028
957	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
958		1030
…		…
964		1036
965	=cut	1037	=cut
966		1038
967	#############################################################################	1039	#############################################################################
968	# object support	1040	# object support
969	#
970		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#
971	sub _can_merge {	1075	sub _can_merge {
972	my ($ob1, $ob2) = @_;	1076	my ($ob1, $ob2) = @_;
973		1077
974	local $Storable::canonical = 1;	1078	++$SLOW_MERGES;#d#
975	my $fob1 = Storable::freeze $ob1;
976	my $fob2 = Storable::freeze $ob2;
977		1079
978	$fob1 eq $fob2	1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
979	}	1082	}
980		1083
981	sub reattach {	1084	sub reattach {
982	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
983	my ($obj) = @_;	1086	my ($obj) = @_;
…		…
1005	cf::attachable->attach (	1108	cf::attachable->attach (
1006	prio => -1000000,	1109	prio => -1000000,
1007	on_instantiate => sub {	1110	on_instantiate => sub {
1008	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
1009		1112
1010	$data = from_json $data;	1113	$data = decode_json $data;
1011		1114
1012	for (@$data) {	1115	for (@$data) {
1013	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
1014		1117
1015	$obj->attach ($name, %{$args \|\| {} });	1118	$obj->attach ($name, %{$args \|\| {} });
…		…
1044	close $fh;	1147	close $fh;
1045		1148
1046	if (@$objs) {	1149	if (@$objs) {
1047	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) {
1048	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
1049	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1050	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
1051	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
1052	close $fh;	1155	close $fh;
1053	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
1054	}	1157	}
…		…
1085		1188
1086	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
1087	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
1088	or return;	1191	or return;
1089		1192
1090	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
1091	}	1195	}
1092		1196
1093	utf8::decode (my $decname = $filename);	1197	utf8::decode (my $decname = $filename);
1094	warn sprintf "loading %s (%d,%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
1095	$decname, length $data, scalar @{$av \|\| []};	1199	$decname, length $data, scalar @{$av \|\| []};
…		…
1251	my $msg = $@ ? "$v->{path}: $@\n"	1355	my $msg = $@ ? "$v->{path}: $@\n"
1252	: "$v->{base}: extension inactive.\n";	1356	: "$v->{base}: extension inactive.\n";
1253		1357
1254	if (exists $v->{meta}{mandatory}) {	1358	if (exists $v->{meta}{mandatory}) {
1255	warn $msg;	1359	warn $msg;
1256	warn "mandatory extension failed to load, exiting.\n";	1360	cf::cleanup "mandatory extension failed to load, exiting.";
1257	exit 1;
1258	}	1361	}
1259		1362
1260	warn $msg;	1363	warn $msg;
1261	}	1364	}
1262		1365
…		…
1510		1613
1511	Expand crossfire pod fragments into protocol xml.	1614	Expand crossfire pod fragments into protocol xml.
1512		1615
1513	=cut	1616	=cut
1514		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
1515	sub expand_cfpod {	1629	sub expand_cfpod {
1516	((my $self), (local $_)) = @_;	1630	my ($self, $pod) = @_;
1517		1631
1518	# escape & and <	1632	my $xml;
1519	s/&/&/g;
1520	s/(?<![BIUGHT])</</g;
1521		1633
1522	# this is buggy, it needs to properly take care of nested <'s	1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ \| .(?!<) )+ )/xgcs) {
		1636	$group = $1;
1523		1637
1524	1 while	1638	$group =~ s/&/&/g;
1525	# replace B<>, I<>, U<> etc.	1639	$group =~ s/</</g;
1526	s/B<([^\>]*)>/<b>$1<\/b>/	1640
1527	\|\| s/I<([^\>]*)>/<i>$1<\/i>/	1641	$xml .= $group;
1528	\|\| s/U<([^\>]*)>/<u>$1<\/u>/	1642	} elsif ($pod =~ m%\G
1529	\|\| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/	1643	([BCGHITU])
1530	# replace G<male\|female> tags	1644	<
1531	\|\| s{G<([^>\|])\\|([^>])>}{	1645	(?:
1532	$self->gender ? $2 : $1	1646	([^<>]*) (?{ $group = $^N })
1533	}ge	1647	\| < $interior >
1534	# replace H<hint text>	1648	)
1535	\|\| s{H<([^\>]*)>}	1649	>
		1650	%gcsx
1536	{	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") {
1537	("<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>",
1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1539	"")	1671	"")
1540	[$self->{hintmode}]	1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
1541	}ge;	1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
1542		1683
		1684	for ($xml) {
1543	# create single paragraphs (very hackish)	1685	# create single paragraphs (very hackish)
1544	s/(?<=\S)\n(?=\w)/ /g;	1686	s/(?<=\S)\n(?=\w)/ /g;
1545		1687
1546	# compress some whitespace	1688	# compress some whitespace
1547	s/\s+\n/\n/g; # ws line-ends	1689	s/\s+\n/\n/g; # ws line-ends
1548	s/\n\n+/\n/g; # double lines	1690	s/\n\n+/\n/g; # double lines
1549	s/^\n+//; # beginning lines	1691	s/^\n+//; # beginning lines
1550	s/\n+$//; # ending lines	1692	s/\n+$//; # ending lines
		1693	}
1551		1694
1552	$_	1695	$xml
1553	}	1696	}
		1697
		1698	no re 'eval';
1554		1699
1555	sub hintmode {	1700	sub hintmode {
1556	$_[0]{hintmode} = $_[1] if @_ > 1;	1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1557	$_[0]{hintmode}	1702	$_[0]{hintmode}
1558	}	1703	}
…		…
2232	: ()	2377	: ()
2233	} @{ aio_readdir $UNIQUEDIR or [] }	2378	} @{ aio_readdir $UNIQUEDIR or [] }
2234	]	2379	]
2235	}	2380	}
2236		2381
2237	package cf;
2238
2239	=back	2382	=back
2240		2383
2241	=head3 cf::object	2384	=head3 cf::object
2242		2385
2243	=cut	2386	=cut
…		…
2272		2415
2273	=cut	2416	=cut
2274		2417
2275	sub deref {	2418	sub deref {
2276	my ($ref) = @_;	2419	my ($ref) = @_;
2277
2278	# temporary compatibility#TODO#remove
2279	$ref =~ s{^<}{player/<};
2280		2420
2281	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {	2421	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2282	my ($uuid, $name) = ($1, $2);	2422	my ($uuid, $name) = ($1, $2);
2283	my $pl = $cf::PLAYER_LOADING{$name} \|\| cf::player::find $name	2423	my $pl = $cf::PLAYER_LOADING{$name} \|\| cf::player::find $name
2284	or return;	2424	or return;
…		…
2548	$rmp->{origin_y} = $exit->y;	2688	$rmp->{origin_y} = $exit->y;
2549	}	2689	}
2550		2690
2551	$rmp->{random_seed} \|\|= $exit->random_seed;	2691	$rmp->{random_seed} \|\|= $exit->random_seed;
2552		2692
2553	my $data = cf::to_json $rmp;	2693	my $data = cf::encode_json $rmp;
2554	my $md5 = Digest::MD5::md5_hex $data;	2694	my $md5 = Digest::MD5::md5_hex $data;
2555	my $meta = "$RANDOMDIR/$md5.meta";	2695	my $meta = "$RANDOMDIR/$md5.meta";
2556		2696
2557	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {	2697	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
2558	aio_write $fh, 0, (length $data), $data, 0;	2698	aio_write $fh, 0, (length $data), $data, 0;
…		…
2631	the message, with C<log> being the default. If C<$color> is negative, suppress	2771	the message, with C<log> being the default. If C<$color> is negative, suppress
2632	the message unless the client supports the msg packet.	2772	the message unless the client supports the msg packet.
2633		2773
2634	=cut	2774	=cut
2635		2775
		2776	# non-persistent channels (usually the info channel)
2636	our %CHANNEL = (	2777	our %CHANNEL = (
2637	"c/identify" => {	2778	"c/identify" => {
2638	id => "infobox",	2779	id => "infobox",
2639	title => "Identify",	2780	title => "Identify",
2640	reply => undef,	2781	reply => undef,
…		…
2644	id => "infobox",	2785	id => "infobox",
2645	title => "Examine",	2786	title => "Examine",
2646	reply => undef,	2787	reply => undef,
2647	tooltip => "Signs and other items you examined",	2788	tooltip => "Signs and other items you examined",
2648	},	2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
2649	"c/lookat" => {	2796	"c/lookat" => {
2650	id => "infobox",	2797	id => "infobox",
2651	title => "Look",	2798	title => "Look",
2652	reply => undef,	2799	reply => undef,
2653	tooltip => "What you saw there",	2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/uptime" => {
		2815	id => "infobox",
		2816	title => "Uptime",
		2817	reply => undef,
		2818	tooltip => "How long the server has been running since last restart",
		2819	},
		2820	"c/mapinfo" => {
		2821	id => "infobox",
		2822	title => "Map Info",
		2823	reply => undef,
		2824	tooltip => "Information related to the maps",
2654	},	2825	},
2655	);	2826	);
2656		2827
2657	sub cf::client::send_msg {	2828	sub cf::client::send_msg {
2658	my ($self, $channel, $msg, $color, @extra) = @_;	2829	my ($self, $channel, $msg, $color, @extra) = @_;
…		…
2895	=pod	3066	=pod
2896		3067
2897	The following functions and methods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2898		3069
2899	cf::object	3070	cf::object
2900	contr pay_amount pay_player map x y force_find force_add	3071	contr pay_amount pay_player map x y force_find force_add destroy
2901	insert remove name archname title slaying race decrease_ob_nr	3072	insert remove name archname title slaying race decrease_ob_nr
2902		3073
2903	cf::object::player	3074	cf::object::player
2904	player	3075	player
2905		3076
…		…
2912	=cut	3083	=cut
2913		3084
2914	for (	3085	for (
2915	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3086	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2916	insert remove inv name archname title slaying race	3087	insert remove inv name archname title slaying race
2917	decrease_ob_nr)],	3088	decrease_ob_nr destroy)],
2918	["cf::object::player" => qw(player)],	3089	["cf::object::player" => qw(player)],
2919	["cf::player" => qw(peaceful)],	3090	["cf::player" => qw(peaceful)],
2920	["cf::map" => qw(trigger)],	3091	["cf::map" => qw(trigger)],
2921	) {	3092	) {
2922	no strict 'refs';	3093	no strict 'refs';
…		…
3027	{	3198	{
3028	my $faces = $facedata->{faceinfo};	3199	my $faces = $facedata->{faceinfo};
3029		3200
3030	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
3031	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;	3202	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
		3203
3032	cf::face::set_visibility $idx, $info->{visibility};	3204	cf::face::set_visibility $idx, $info->{visibility};
3033	cf::face::set_magicmap $idx, $info->{magicmap};	3205	cf::face::set_magicmap $idx, $info->{magicmap};
3034	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3206	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3035	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3207	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3036		3208
3037	cf::cede_to_tick;	3209	cf::cede_to_tick;
3038	}	3210	}
3039		3211
3040	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
3041	next unless $info->{smooth};	3213	next unless $info->{smooth};
		3214
3042	my $idx = cf::face::find $face	3215	my $idx = cf::face::find $face
3043	or next;	3216	or next;
		3217
3044	if (my $smooth = cf::face::find $info->{smooth}) {	3218	if (my $smooth = cf::face::find $info->{smooth}) {
3045	cf::face::set_smooth $idx, $smooth;	3219	cf::face::set_smooth $idx, $smooth;
3046	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3220	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3047	} else {	3221	} else {
3048	warn "smooth face '$info->{smooth}' not found for face '$face'";	3222	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3066	{	3240	{
3067	# TODO: for gcfclient pleasure, we should give resources	3241	# TODO: for gcfclient pleasure, we should give resources
3068	# that gcfclient doesn't grok a >10000 face index.	3242	# that gcfclient doesn't grok a >10000 face index.
3069	my $res = $facedata->{resource};	3243	my $res = $facedata->{resource};
3070		3244
3071	my $soundconf = delete $res->{"res/sound.conf"};
3072
3073	while (my ($name, $info) = each %$res) {	3245	while (my ($name, $info) = each %$res) {
		3246	if (defined $info->{type}) {
3074	my $idx = (cf::face::find $name) \|\| cf::face::alloc $name;	3247	my $idx = (cf::face::find $name) \|\| cf::face::alloc $name;
3075	my $data;	3248	my $data;
3076		3249
3077	if ($info->{type} & 1) {	3250	if ($info->{type} & 1) {
3078	# prepend meta info	3251	# prepend meta info
3079		3252
3080	my $meta = $enc->encode ({	3253	my $meta = $enc->encode ({
3081	name => $name,	3254	name => $name,
3082	%{ $info->{meta} \|\| {} },	3255	%{ $info->{meta} \|\| {} },
3083	});	3256	});
3084		3257
3085	$data = pack "(w/a)", $meta, $info->{data};	3258	$data = pack "(w/a)", $meta, $info->{data};
		3259	} else {
		3260	$data = $info->{data};
		3261	}
		3262
		3263	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3264	cf::face::set_type $idx, $info->{type};
3086	} else {	3265	} else {
3087	$data = $info->{data};	3266	$RESOURCE{$name} = $info;
3088	}	3267	}
3089		3268
3090	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3091	cf::face::set_type $idx, $info->{type};
3092
3093	cf::cede_to_tick;	3269	cf::cede_to_tick;
3094	}	3270	}
3095
3096	if ($soundconf) {
3097	$soundconf = $enc->decode (delete $soundconf->{data});
3098
3099	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3100	my $sound = $soundconf->{compat}[$_]
3101	or next;
3102
3103	my $face = cf::face::find "sound/$sound->[1]";
3104	cf::sound::set $sound->[0] => $face;
3105	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3106	}
3107
3108	while (my ($k, $v) = each %{$soundconf->{event}}) {
3109	my $face = cf::face::find "sound/$v";
3110	cf::sound::set $k => $face;
3111	}
3112	}
3113	}	3271	}
		3272
		3273	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3114		3274
3115	1	3275	1
3116	}	3276	}
		3277
		3278	cf::global->attach (on_resource_update => sub {
		3279	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3280	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3281
		3282	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3283	my $sound = $soundconf->{compat}[$_]
		3284	or next;
		3285
		3286	my $face = cf::face::find "sound/$sound->[1]";
		3287	cf::sound::set $sound->[0] => $face;
		3288	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3289	}
		3290
		3291	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3292	my $face = cf::face::find "sound/$v";
		3293	cf::sound::set $k => $face;
		3294	}
		3295	}
		3296	});
3117		3297
3118	register_exticmd fx_want => sub {	3298	register_exticmd fx_want => sub {
3119	my ($ns, $want) = @_;	3299	my ($ns, $want) = @_;
3120		3300
3121	while (my ($k, $v) = each %$want) {	3301	while (my ($k, $v) = each %$want) {
…		…
3176	sub reload_config {	3356	sub reload_config {
3177	open my $fh, "<:utf8", "$CONFDIR/config"	3357	open my $fh, "<:utf8", "$CONFDIR/config"
3178	or return;	3358	or return;
3179		3359
3180	local $/;	3360	local $/;
3181	*CFG = YAML::Syck::Load <$fh>;	3361	*CFG = YAML::Load <$fh>;
3182		3362
3183	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];	3363	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
3184		3364
3185	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3365	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3186	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3366	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3198	# we must not ever block the main coroutine	3378	# we must not ever block the main coroutine
3199	local $Coro::idle = sub {	3379	local $Coro::idle = sub {
3200	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3380	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3201	(async {	3381	(async {
3202	$Coro::current->{desc} = "IDLE BUG HANDLER";	3382	$Coro::current->{desc} = "IDLE BUG HANDLER";
3203	Event::one_event;	3383	EV::loop EV::LOOP_ONESHOT;
3204	})->prio (Coro::PRIO_MAX);	3384	})->prio (Coro::PRIO_MAX);
3205	};	3385	};
3206		3386
3207	reload_config;	3387	reload_config;
3208	db_init;	3388	db_init;
3209	load_extensions;	3389	load_extensions;
3210		3390
3211	$TICK_WATCHER->start;	3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3392	evthread_start IO::AIO::poll_fileno;
3212	Event::loop;	3393	EV::loop;
3213	}	3394	}
3214		3395
3215	#############################################################################	3396	#############################################################################
3216	# initialisation and cleanup	3397	# initialisation and cleanup
3217		3398
3218	# install some emergency cleanup handlers	3399	# install some emergency cleanup handlers
3219	BEGIN {	3400	BEGIN {
		3401	our %SIGWATCHER = ();
3220	for my $signal (qw(INT HUP TERM)) {	3402	for my $signal (qw(INT HUP TERM)) {
3221	Event->signal (	3403	$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";	3404	cf::cleanup "SIG$signal";
3228	},
3229	);	3405	};
3230	}	3406	}
3231	}	3407	}
3232		3408
3233	sub write_runtime {	3409	sub write_runtime_sync {
3234	my $runtime = "$LOCALDIR/runtime";	3410	my $runtime = "$LOCALDIR/runtime";
3235		3411
3236	# first touch the runtime file to show we are still running:	3412	# first touch the runtime file to show we are still running:
3237	# the fsync below can take a very very long time.	3413	# the fsync below can take a very very long time.
3238		3414
…		…
3264	and return;	3440	and return;
3265		3441
3266	warn "runtime file written.\n";	3442	warn "runtime file written.\n";
3267		3443
3268	1	3444	1
		3445	}
		3446
		3447	our $uuid_lock;
		3448	our $uuid_skip;
		3449
		3450	sub write_uuid_sync($) {
		3451	$uuid_skip \|\|= $_[0];
		3452
		3453	return if $uuid_lock;
		3454	local $uuid_lock = 1;
		3455
		3456	my $uuid = "$LOCALDIR/uuid";
		3457
		3458	my $fh = aio_open "$uuid~", O_WRONLY \| O_CREAT, 0644
		3459	or return;
		3460
		3461	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3462	$uuid_skip = 0;
		3463
		3464	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3465	and return;
		3466
		3467	# always fsync - this file is important
		3468	aio_fsync $fh
		3469	and return;
		3470
		3471	close $fh
		3472	or return;
		3473
		3474	aio_rename "$uuid~", $uuid
		3475	and return;
		3476
		3477	warn "uuid file written ($value).\n";
		3478
		3479	1
		3480
		3481	}
		3482
		3483	sub write_uuid($$) {
		3484	my ($skip, $sync) = @_;
		3485
		3486	$sync ? write_uuid_sync $skip
		3487	: async { write_uuid_sync $skip };
3269	}	3488	}
3270		3489
3271	sub emergency_save() {	3490	sub emergency_save() {
3272	my $freeze_guard = cf::freeze_mainloop;	3491	my $freeze_guard = cf::freeze_mainloop;
3273		3492
…		…
3279	# and maps saved/destroyed asynchronously.	3498	# and maps saved/destroyed asynchronously.
3280	warn "begin emergency player save\n";	3499	warn "begin emergency player save\n";
3281	for my $login (keys %cf::PLAYER) {	3500	for my $login (keys %cf::PLAYER) {
3282	my $pl = $cf::PLAYER{$login} or next;	3501	my $pl = $cf::PLAYER{$login} or next;
3283	$pl->valid or next;	3502	$pl->valid or next;
		3503	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3284	$pl->save;	3504	$pl->save;
3285	}	3505	}
3286	warn "end emergency player save\n";	3506	warn "end emergency player save\n";
3287		3507
3288	warn "begin emergency map save\n";	3508	warn "begin emergency map save\n";
…		…
3294	warn "end emergency map save\n";	3514	warn "end emergency map save\n";
3295		3515
3296	warn "begin emergency database checkpoint\n";	3516	warn "begin emergency database checkpoint\n";
3297	BDB::db_env_txn_checkpoint $DB_ENV;	3517	BDB::db_env_txn_checkpoint $DB_ENV;
3298	warn "end emergency database checkpoint\n";	3518	warn "end emergency database checkpoint\n";
		3519
		3520	warn "begin write uuid\n";
		3521	write_uuid_sync 1;
		3522	warn "end write uuid\n";
3299	};	3523	};
3300		3524
3301	warn "leave emergency perl save\n";	3525	warn "leave emergency perl save\n";
3302	}	3526	}
3303		3527
…		…
3318	warn "reloading...";	3542	warn "reloading...";
3319		3543
3320	warn "entering sync_job";	3544	warn "entering sync_job";
3321		3545
3322	cf::sync_job {	3546	cf::sync_job {
3323	cf::write_runtime; # external watchdog should not bark	3547	cf::write_runtime_sync; # external watchdog should not bark
3324	cf::emergency_save;	3548	cf::emergency_save;
3325	cf::write_runtime; # external watchdog should not bark	3549	cf::write_runtime_sync; # external watchdog should not bark
3326		3550
3327	warn "syncing database to disk";	3551	warn "syncing database to disk";
3328	BDB::db_env_txn_checkpoint $DB_ENV;	3552	BDB::db_env_txn_checkpoint $DB_ENV;
3329		3553
3330	# if anything goes wrong in here, we should simply crash as we already saved	3554	# if anything goes wrong in here, we should simply crash as we already saved
3331
3332	warn "cancelling all WF_AUTOCANCEL watchers";
3333	for (Event::all_watchers) {
3334	$_->cancel if $_->data & WF_AUTOCANCEL;
3335	}
3336		3555
3337	warn "flushing outstanding aio requests";	3556	warn "flushing outstanding aio requests";
3338	for (;;) {	3557	for (;;) {
3339	BDB::flush;	3558	BDB::flush;
3340	IO::AIO::flush;	3559	IO::AIO::flush;
3341	Coro::cede;	3560	Coro::cede_notself;
3342	last unless IO::AIO::nreqs \|\| BDB::nreqs;	3561	last unless IO::AIO::nreqs \|\| BDB::nreqs;
3343	warn "iterate...";	3562	warn "iterate...";
3344	}	3563	}
3345		3564
3346	++$RELOAD;	3565	++$RELOAD;
…		…
3422	warn "leaving sync_job";	3641	warn "leaving sync_job";
3423		3642
3424	1	3643	1
3425	} or do {	3644	} or do {
3426	warn $@;	3645	warn $@;
3427	warn "error while reloading, exiting.";	3646	cf::cleanup "error while reloading, exiting.";
3428	exit 1;
3429	};	3647	};
3430		3648
3431	warn "reloaded";	3649	warn "reloaded";
3432	};	3650	};
3433		3651
…		…
3435		3653
3436	sub reload_perl() {	3654	sub reload_perl() {
3437	# doing reload synchronously and two reloads happen back-to-back,	3655	# doing reload synchronously and two reloads happen back-to-back,
3438	# coro crashes during coro_state_free->destroy here.	3656	# coro crashes during coro_state_free->destroy here.
3439		3657
3440	$RELOAD_WATCHER \|\|= Event->timer (	3658	$RELOAD_WATCHER \|\|= EV::timer 0, 0, sub {
3441	reentrant => 0,
3442	after => 0,
3443	data => WF_AUTOCANCEL,
3444	cb => sub {
3445	do_reload_perl;	3659	do_reload_perl;
3446	undef $RELOAD_WATCHER;	3660	undef $RELOAD_WATCHER;
3447	},
3448	);	3661	};
3449	}	3662	}
3450		3663
3451	register_command "reload" => sub {	3664	register_command "reload" => sub {
3452	my ($who, $arg) = @_;	3665	my ($who, $arg) = @_;
3453		3666
…		…
3466		3679
3467	our @WAIT_FOR_TICK;	3680	our @WAIT_FOR_TICK;
3468	our @WAIT_FOR_TICK_BEGIN;	3681	our @WAIT_FOR_TICK_BEGIN;
3469		3682
3470	sub wait_for_tick {	3683	sub wait_for_tick {
3471	return unless $TICK_WATCHER->is_active;	3684	return if tick_inhibit;
3472	return if $Coro::current == $Coro::main;	3685	return if $Coro::current == $Coro::main;
3473		3686
3474	my $signal = new Coro::Signal;	3687	my $signal = new Coro::Signal;
3475	push @WAIT_FOR_TICK, $signal;	3688	push @WAIT_FOR_TICK, $signal;
3476	$signal->wait;	3689	$signal->wait;
3477	}	3690	}
3478		3691
3479	sub wait_for_tick_begin {	3692	sub wait_for_tick_begin {
3480	return unless $TICK_WATCHER->is_active;	3693	return if tick_inhibit;
3481	return if $Coro::current == $Coro::main;	3694	return if $Coro::current == $Coro::main;
3482		3695
3483	my $signal = new Coro::Signal;	3696	my $signal = new Coro::Signal;
3484	push @WAIT_FOR_TICK_BEGIN, $signal;	3697	push @WAIT_FOR_TICK_BEGIN, $signal;
3485	$signal->wait;	3698	$signal->wait;
3486	}	3699	}
3487		3700
3488	$TICK_WATCHER = Event->timer (	3701	sub tick {
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 != $Coro::main) {	3702	if ($Coro::current != $Coro::main) {
3496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3703	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3497	unless ++$bug_warning > 10;	3704	unless ++$bug_warning > 10;
3498	return;	3705	return;
3499	}	3706	}
3500		3707
3501	$NOW = $tick_start = Event::time;
3502
3503	cf::server_tick; # one server iteration	3708	cf::server_tick; # one server iteration
3504		3709
3505	$RUNTIME += $TICK;
3506	$NEXT_TICK += $TICK;
3507
3508	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3710	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3509	$NEXT_RUNTIME_WRITE = $NOW + 10;	3711	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3510	Coro::async_pool {	3712	Coro::async_pool {
3511	$Coro::current->{desc} = "runtime saver";	3713	$Coro::current->{desc} = "runtime saver";
3512	write_runtime	3714	write_runtime_sync
3513	or warn "ERROR: unable to write runtime file: $!";	3715	or warn "ERROR: unable to write runtime file: $!";
3514	};
3515	}	3716	};
		3717	}
3516		3718
3517	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3719	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3518	$sig->send;	3720	$sig->send;
3519	}	3721	}
3520	while (my $sig = shift @WAIT_FOR_TICK) {	3722	while (my $sig = shift @WAIT_FOR_TICK) {
3521	$sig->send;	3723	$sig->send;
3522	}	3724	}
3523		3725
3524	$NOW = Event::time;	3726	$LOAD = ($NOW - $TICK_START) / $TICK;
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;
3533	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3727	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3534		3728
3535	_post_tick;	3729	if (0) {
		3730	if ($NEXT_TICK) {
		3731	my $jitter = $TICK_START - $NEXT_TICK;
		3732	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3733	warn "jitter $JITTER\n";#d#
		3734	}
3536	},	3735	}
3537	);	3736	}
3538		3737
3539	{	3738	{
		3739	# configure BDB
		3740
3540	BDB::min_parallel 8;	3741	BDB::min_parallel 8;
3541	BDB::max_poll_time $TICK * 0.1;	3742	BDB::max_poll_reqs $TICK * 0.1;
3542	$BDB_POLL_WATCHER = Event->io (	3743	$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	$! = $status;
3562	},
3563	)
3564	};
3565		3744
3566	unless ($DB_ENV) {	3745	unless ($DB_ENV) {
3567	$DB_ENV = BDB::db_env_create;	3746	$DB_ENV = BDB::db_env_create;
3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC	3747	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC
3569	\| BDB::LOG_AUTOREMOVE, 1);	3748	\| BDB::LOG_AUTOREMOVE, 1);
…		…
3584		3763
3585	cf::cleanup "db_env_open(db): $@" if $@;	3764	cf::cleanup "db_env_open(db): $@" if $@;
3586	};	3765	};
3587	}	3766	}
3588		3767
3589	$BDB_DEADLOCK_WATCHER = Event->timer (	3768	$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 { };	3769	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3597	},
3598	);	3770	};
3599	$BDB_CHECKPOINT_WATCHER = Event->timer (	3771	$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 { };	3772	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3607	},
3608	);	3773	};
3609	$BDB_TRICKLE_WATCHER = Event->timer (	3774	$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 { };	3775	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3617	},
3618	);	3776	};
3619	}	3777	}
3620		3778
3621	{	3779	{
		3780	# configure IO::AIO
		3781
3622	IO::AIO::min_parallel 8;	3782	IO::AIO::min_parallel 8;
3623
3624	undef $Coro::AIO::WATCHER;
3625	IO::AIO::max_poll_time $TICK * 0.1;	3783	IO::AIO::max_poll_time $TICK * 0.1;
3626	$AIO_POLL_WATCHER = Event->io (	3784	$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	}	3785	}
3635		3786
3636	my $_log_backtrace;	3787	my $_log_backtrace;
3637		3788
3638	sub _log_backtrace {	3789	sub _log_backtrace {

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.377 by root, Thu Oct 4 11:36:38 2007 UTC vs. Revision 1.417 by root, Fri Apr 11 14:09:57 2008 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.377 by root, Thu Oct 4 11:36:38 2007 UTC vs.
Revision 1.417 by root, Fri Apr 11 14:09:57 2008 UTC